_and_add+0x124/0x190 [ 205.592316][ T6554] gfs2_sys_fs_add+0x200/0x41c [ 205.593147][ T6554] gfs2_fill_super+0xddc/0x1a18 [ 205.593916][ T6554] get_tree_bdev+0x358/0x544 [ 205.594666][ T6554] gfs2_get_tree+0x54/0x1b4 [ 205.595404][ T6554] vfs_get_tree+0x90/0x274 [ 205.596074][ T6554] do_new_mount+0x228/0x810 [ 205.596852][ T6554] path_mount+0x5bc/0x1008 [ 205.597618][ T6554] __arm64_sys_mount+0x514/0x5f0 [ 205.598412][ T6554] invoke_syscall+0x98/0x2b0 [ 205.599175][ T6554] el0_svc_common+0x138/0x258 [ 205.599961][ T6554] do_el0_svc+0x58/0x13c [ 205.600680][ T6554] el0_svc+0x78/0x1d0 [ 205.601409][ T6554] el0t_64_sync_handler+0xcc/0xe4 [ 205.602242][ T6554] el0t_64_sync+0x1a0/0x1a4 [ 205.604636][ T6554] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.607029][ T6554] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.819877][ T6557] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.821191][ T6557] CPU: 0 PID: 6557 Comm: syz.1.553 Not tainted syzkaller #0 [ 205.822355][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 205.823923][ T6557] Call trace: [ 205.824422][ T6557] dump_backtrace+0x0/0x458 [ 205.825173][ T6557] show_stack+0x2c/0x3c [ 205.825854][ T6557] __dump_stack+0x30/0x40 [ 205.826553][ T6557] dump_stack_lvl+0xf4/0x15c [ 205.827324][ T6557] dump_stack+0x1c/0x5c [ 205.827967][ T6557] sysfs_create_dir_ns+0x244/0x264 [ 205.828828][ T6557] kobject_add_internal+0x5ac/0xc3c [ 205.829716][ T6557] kobject_init_and_add+0x124/0x190 [ 205.830574][ T6557] gfs2_sys_fs_add+0x200/0x41c [ 205.831325][ T6557] gfs2_fill_super+0xddc/0x1a18 [ 205.832147][ T6557] get_tree_bdev+0x358/0x544 [ 205.832888][ T6557] gfs2_get_tree+0x54/0x1b4 [ 205.833618][ T6557] vfs_get_tree+0x90/0x274 [ 205.834319][ T6557] do_new_mount+0x228/0x810 [ 205.835064][ T6557] path_mount+0x5bc/0x1008 [ 205.835770][ T6557] __arm64_sys_mount+0x514/0x5f0 [ 205.836511][ T6557] invoke_syscall+0x98/0x2b0 [ 205.837248][ T6557] el0_svc_common+0x138/0x258 [ 205.838030][ T6557] do_el0_svc+0x58/0x13c [ 205.838687][ T6557] el0_svc+0x78/0x1d0 [ 205.839321][ T6557] el0t_64_sync_handler+0xcc/0xe4 [ 205.840101][ T6557] el0t_64_sync+0x1a0/0x1a4 [ 205.841125][ T6557] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.843078][ T6557] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.015482][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.016710][ T6560] CPU: 1 PID: 6560 Comm: syz.1.554 Not tainted syzkaller #0 [ 206.017916][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 206.019719][ T6560] Call trace: [ 206.020306][ T6560] dump_backtrace+0x0/0x458 [ 206.021094][ T6560] show_stack+0x2c/0x3c [ 206.021872][ T6560] __dump_stack+0x30/0x40 [ 206.022673][ T6560] dump_stack_lvl+0xf4/0x15c [ 206.023421][ T6560] dump_stack+0x1c/0x5c [ 206.024180][ T6560] sysfs_create_dir_ns+0x244/0x264 [ 206.025029][ T6560] kobject_add_internal+0x5ac/0xc3c [ 206.025927][ T6560] kobject_init_and_add+0x124/0x190 [ 206.026832][ T6560] gfs2_sys_fs_add+0x200/0x41c [ 206.027666][ T6560] gfs2_fill_super+0xddc/0x1a18 [ 206.028414][ T6560] get_tree_bdev+0x358/0x544 [ 206.029179][ T6560] gfs2_get_tree+0x54/0x1b4 [ 206.029943][ T6560] vfs_get_tree+0x90/0x274 [ 206.030722][ T6560] do_new_mount+0x228/0x810 [ 206.031403][ T6560] path_mount+0x5bc/0x1008 [ 206.032112][ T6560] __arm64_sys_mount+0x514/0x5f0 [ 206.032924][ T6560] invoke_syscall+0x98/0x2b0 [ 206.033821][ T6560] el0_svc_common+0x138/0x258 [ 206.034636][ T6560] do_el0_svc+0x58/0x13c [ 206.035365][ T6560] el0_svc+0x78/0x1d0 [ 206.036080][ T6560] el0t_64_sync_handler+0xcc/0xe4 [ 206.036927][ T6560] el0t_64_sync+0x1a0/0x1a4 [ 206.043997][ T6560] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.046278][ T6560] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.188355][ T6563] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.189653][ T6563] CPU: 0 PID: 6563 Comm: syz.1.555 Not tainted syzkaller #0 [ 206.190806][ T6563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 206.192347][ T6563] Call trace: [ 206.192859][ T6563] dump_backtrace+0x0/0x458 [ 206.193543][ T6563] show_stack+0x2c/0x3c [ 206.194246][ T6563] __dump_stack+0x30/0x40 [ 206.194961][ T6563] dump_stack_lvl+0xf4/0x15c [ 206.195720][ T6563] dump_stack+0x1c/0x5c [ 206.196382][ T6563] sysfs_create_dir_ns+0x244/0x264 [ 206.197201][ T6563] kobject_add_internal+0x5ac/0xc3c [ 206.198073][ T6563] kobject_init_and_add+0x124/0x190 [ 206.198917][ T6563] gfs2_sys_fs_add+0x200/0x41c [ 206.199724][ T6563] gfs2_fill_super+0xddc/0x1a18 [ 206.200499][ T6563] get_tree_bdev+0x358/0x544 [ 206.201332][ T6563] gfs2_get_tree+0x54/0x1b4 [ 206.202112][ T6563] vfs_get_tree+0x90/0x274 [ 206.202875][ T6563] do_new_mount+0x228/0x810 [ 206.203631][ T6563] path_mount+0x5bc/0x1008 [ 206.204368][ T6563] __arm64_sys_mount+0x514/0x5f0 [ 206.205217][ T6563] invoke_syscall+0x98/0x2b0 [ 206.206022][ T6563] el0_svc_common+0x138/0x258 [ 206.206753][ T6563] do_el0_svc+0x58/0x13c [ 206.207374][ T6563] el0_svc+0x78/0x1d0 [ 206.207955][ T6563] el0t_64_sync_handler+0xcc/0xe4 [ 206.208671][ T6563] el0t_64_sync+0x1a0/0x1a4 [ 206.209756][ T6563] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.211903][ T6563] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.406141][ T6566] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.407627][ T6566] CPU: 1 PID: 6566 Comm: syz.1.556 Not tainted syzkaller #0 [ 206.408844][ T6566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 206.410539][ T6566] Call trace: [ 206.411020][ T6566] dump_backtrace+0x0/0x458 [ 206.411773][ T6566] show_stack+0x2c/0x3c [ 206.412471][ T6566] __dump_stack+0x30/0x40 [ 206.413207][ T6566] dump_stack_lvl+0xf4/0x15c [ 206.414017][ T6566] dump_stack+0x1c/0x5c [ 206.414654][ T6566] sysfs_create_dir_ns+0x244/0x264 [ 206.415506][ T6566] kobject_add_internal+0x5ac/0xc3c [ 206.416364][ T6566] kobject_init_and_add+0x124/0x190 [ 206.417156][ T6566] gfs2_sys_fs_add+0x200/0x41c [ 206.417900][ T6566] gfs2_fill_super+0xddc/0x1a18 [ 206.418661][ T6566] get_tree_bdev+0x358/0x544 [ 206.419373][ T6566] gfs2_get_tree+0x54/0x1b4 [ 206.420120][ T6566] vfs_get_tree+0x90/0x274 [ 206.420817][ T6566] do_new_mount+0x228/0x810 [ 206.421549][ T6566] path_mount+0x5bc/0x1008 [ 206.422322][ T6566] __arm64_sys_mount+0x514/0x5f0 [ 206.423213][ T6566] invoke_syscall+0x98/0x2b0 [ 206.423940][ T6566] el0_svc_common+0x138/0x258 [ 206.424772][ T6566] do_el0_svc+0x58/0x13c [ 206.425542][ T6566] el0_svc+0x78/0x1d0 [ 206.426202][ T6566] el0t_64_sync_handler+0xcc/0xe4 [ 206.427060][ T6566] el0t_64_sync+0x1a0/0x1a4 [ 206.428537][ T6566] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.430583][ T6566] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.579281][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.580500][ T6569] CPU: 0 PID: 6569 Comm: syz.1.557 Not tainted syzkaller #0 [ 206.581590][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 206.583212][ T6569] Call trace: [ 206.583784][ T6569] dump_backtrace+0x0/0x458 [ 206.584549][ T6569] show_stack+0x2c/0x3c [ 206.585229][ T6569] __dump_stack+0x30/0x40 [ 206.585962][ T6569] dump_stack_lvl+0xf4/0x15c [ 206.586762][ T6569] dump_stack+0x1c/0x5c [ 206.587448][ T6569] sysfs_create_dir_ns+0x244/0x264 [ 206.588263][ T6569] kobject_add_internal+0x5ac/0xc3c [ 206.589133][ T6569] kobject_init_and_add+0x124/0x190 [ 206.589993][ T6569] gfs2_sys_fs_add+0x200/0x41c [ 206.590829][ T6569] gfs2_fill_super+0xddc/0x1a18 [ 206.591629][ T6569] get_tree_bdev+0x358/0x544 [ 206.592386][ T6569] gfs2_get_tree+0x54/0x1b4 [ 206.593103][ T6569] vfs_get_tree+0x90/0x274 [ 206.593827][ T6569] do_new_mount+0x228/0x810 [ 206.594563][ T6569] path_mount+0x5bc/0x1008 [ 206.595191][ T6569] __arm64_sys_mount+0x514/0x5f0 [ 206.596036][ T6569] invoke_syscall+0x98/0x2b0 [ 206.596857][ T6569] el0_svc_common+0x138/0x258 [ 206.597639][ T6569] do_el0_svc+0x58/0x13c [ 206.598428][ T6569] el0_svc+0x78/0x1d0 [ 206.599045][ T6569] el0t_64_sync_handler+0xcc/0xe4 [ 206.599933][ T6569] el0t_64_sync+0x1a0/0x1a4 [ 206.602381][ T6569] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.604388][ T6569] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.785717][ T6572] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.786992][ T6572] CPU: 0 PID: 6572 Comm: syz.1.558 Not tainted syzkaller #0 [ 206.788133][ T6572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 206.789919][ T6572] Call trace: [ 206.790453][ T6572] dump_backtrace+0x0/0x458 [ 206.791245][ T6572] show_stack+0x2c/0x3c [ 206.791992][ T6572] __dump_stack+0x30/0x40 [ 206.792747][ T6572] dump_stack_lvl+0xf4/0x15c [ 206.793519][ T6572] dump_stack+0x1c/0x5c [ 206.794293][ T6572] sysfs_create_dir_ns+0x244/0x264 [ 206.795214][ T6572] kobject_add_internal+0x5ac/0xc3c [ 206.796088][ T6572] kobject_init_and_add+0x124/0x190 [ 206.797077][ T6572] gfs2_sys_fs_add+0x200/0x41c [ 206.797836][ T6572] gfs2_fill_super+0xddc/0x1a18 [ 206.798707][ T6572] get_tree_bdev+0x358/0x544 [ 206.799488][ T6572] gfs2_get_tree+0x54/0x1b4 [ 206.800266][ T6572] vfs_get_tree+0x90/0x274 [ 206.801014][ T6572] do_new_mount+0x228/0x810 [ 206.801811][ T6572] path_mount+0x5bc/0x1008 [ 206.802540][ T6572] __arm64_sys_mount+0x514/0x5f0 [ 206.803450][ T6572] invoke_syscall+0x98/0x2b0 [ 206.804209][ T6572] el0_svc_common+0x138/0x258 [ 206.805014][ T6572] do_el0_svc+0x58/0x13c [ 206.805772][ T6572] el0_svc+0x78/0x1d0 [ 206.806476][ T6572] el0t_64_sync_handler+0xcc/0xe4 [ 206.807380][ T6572] el0t_64_sync+0x1a0/0x1a4 [ 206.808310][ T6572] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.810353][ T6572] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.007273][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.008509][ T6575] CPU: 1 PID: 6575 Comm: syz.1.559 Not tainted syzkaller #0 [ 207.009665][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 207.011487][ T6575] Call trace: [ 207.012081][ T6575] dump_backtrace+0x0/0x458 [ 207.012850][ T6575] show_stack+0x2c/0x3c [ 207.013490][ T6575] __dump_stack+0x30/0x40 [ 207.014159][ T6575] dump_stack_lvl+0xf4/0x15c [ 207.014960][ T6575] dump_stack+0x1c/0x5c [ 207.015681][ T6575] sysfs_create_dir_ns+0x244/0x264 [ 207.016561][ T6575] kobject_add_internal+0x5ac/0xc3c [ 207.017455][ T6575] kobject_init_and_add+0x124/0x190 [ 207.018332][ T6575] gfs2_sys_fs_add+0x200/0x41c [ 207.019101][ T6575] gfs2_fill_super+0xddc/0x1a18 [ 207.019879][ T6575] get_tree_bdev+0x358/0x544 [ 207.020603][ T6575] gfs2_get_tree+0x54/0x1b4 [ 207.021365][ T6575] vfs_get_tree+0x90/0x274 [ 207.022062][ T6575] do_new_mount+0x228/0x810 [ 207.022738][ T6575] path_mount+0x5bc/0x1008 [ 207.023408][ T6575] __arm64_sys_mount+0x514/0x5f0 [ 207.024250][ T6575] invoke_syscall+0x98/0x2b0 [ 207.025039][ T6575] el0_svc_common+0x138/0x258 [ 207.025872][ T6575] do_el0_svc+0x58/0x13c [ 207.026547][ T6575] el0_svc+0x78/0x1d0 [ 207.027144][ T6575] el0t_64_sync_handler+0xcc/0xe4 [ 207.027968][ T6575] el0t_64_sync+0x1a0/0x1a4 [ 207.029032][ T6575] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.031009][ T6575] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.215794][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.217070][ T6578] CPU: 0 PID: 6578 Comm: syz.1.560 Not tainted syzkaller #0 [ 207.218369][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 207.220072][ T6578] Call trace: [ 207.220608][ T6578] dump_backtrace+0x0/0x458 [ 207.221390][ T6578] show_stack+0x2c/0x3c [ 207.222086][ T6578] __dump_stack+0x30/0x40 [ 207.222815][ T6578] dump_stack_lvl+0xf4/0x15c [ 207.223541][ T6578] dump_stack+0x1c/0x5c [ 207.224162][ T6578] sysfs_create_dir_ns+0x244/0x264 [ 207.224919][ T6578] kobject_add_internal+0x5ac/0xc3c [ 207.225724][ T6578] kobject_init_and_add+0x124/0x190 [ 207.226522][ T6578] gfs2_sys_fs_add+0x200/0x41c [ 207.227292][ T6578] gfs2_fill_super+0xddc/0x1a18 [ 207.228099][ T6578] get_tree_bdev+0x358/0x544 [ 207.228905][ T6578] gfs2_get_tree+0x54/0x1b4 [ 207.229806][ T6578] vfs_get_tree+0x90/0x274 [ 207.230575][ T6578] do_new_mount+0x228/0x810 [ 207.231290][ T6578] path_mount+0x5bc/0x1008 [ 207.232006][ T6578] __arm64_sys_mount+0x514/0x5f0 [ 207.232811][ T6578] invoke_syscall+0x98/0x2b0 [ 207.233605][ T6578] el0_svc_common+0x138/0x258 [ 207.234371][ T6578] do_el0_svc+0x58/0x13c [ 207.235100][ T6578] el0_svc+0x78/0x1d0 [ 207.235787][ T6578] el0t_64_sync_handler+0xcc/0xe4 [ 207.236665][ T6578] el0t_64_sync+0x1a0/0x1a4 [ 207.238946][ T6578] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.240978][ T6578] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.390464][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.391691][ T6581] CPU: 1 PID: 6581 Comm: syz.1.561 Not tainted syzkaller #0 [ 207.392924][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 207.394659][ T6581] Call trace: [ 207.395185][ T6581] dump_backtrace+0x0/0x458 [ 207.395944][ T6581] show_stack+0x2c/0x3c [ 207.396636][ T6581] __dump_stack+0x30/0x40 [ 207.397401][ T6581] dump_stack_lvl+0xf4/0x15c [ 207.398260][ T6581] dump_stack+0x1c/0x5c [ 207.399004][ T6581] sysfs_create_dir_ns+0x244/0x264 [ 207.400028][ T6581] kobject_add_internal+0x5ac/0xc3c [ 207.400813][ T6581] kobject_init_and_add+0x124/0x190 [ 207.401701][ T6581] gfs2_sys_fs_add+0x200/0x41c [ 207.402460][ T6581] gfs2_fill_super+0xddc/0x1a18 [ 207.403349][ T6581] get_tree_bdev+0x358/0x544 [ 207.404118][ T6581] gfs2_get_tree+0x54/0x1b4 [ 207.404905][ T6581] vfs_get_tree+0x90/0x274 [ 207.405651][ T6581] do_new_mount+0x228/0x810 [ 207.406375][ T6581] path_mount+0x5bc/0x1008 [ 207.407117][ T6581] __arm64_sys_mount+0x514/0x5f0 [ 207.407910][ T6581] invoke_syscall+0x98/0x2b0 [ 207.408658][ T6581] el0_svc_common+0x138/0x258 [ 207.409474][ T6581] do_el0_svc+0x58/0x13c [ 207.410222][ T6581] el0_svc+0x78/0x1d0 [ 207.410843][ T6581] el0t_64_sync_handler+0xcc/0xe4 [ 207.411671][ T6581] el0t_64_sync+0x1a0/0x1a4 [ 207.412671][ T6581] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.414960][ T6581] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.629554][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.630985][ T6584] CPU: 0 PID: 6584 Comm: syz.1.562 Not tainted syzkaller #0 [ 207.632129][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 207.633712][ T6584] Call trace: [ 207.634218][ T6584] dump_backtrace+0x0/0x458 [ 207.634902][ T6584] show_stack+0x2c/0x3c [ 207.635562][ T6584] __dump_stack+0x30/0x40 [ 207.636296][ T6584] dump_stack_lvl+0xf4/0x15c [ 207.637051][ T6584] dump_stack+0x1c/0x5c [ 207.637744][ T6584] sysfs_create_dir_ns+0x244/0x264 [ 207.638638][ T6584] kobject_add_internal+0x5ac/0xc3c [ 207.639484][ T6584] kobject_init_and_add+0x124/0x190 [ 207.640368][ T6584] gfs2_sys_fs_add+0x200/0x41c [ 207.641201][ T6584] gfs2_fill_super+0xddc/0x1a18 [ 207.642010][ T6584] get_tree_bdev+0x358/0x544 [ 207.642789][ T6584] gfs2_get_tree+0x54/0x1b4 [ 207.643528][ T6584] vfs_get_tree+0x90/0x274 [ 207.644251][ T6584] do_new_mount+0x228/0x810 [ 207.645014][ T6584] path_mount+0x5bc/0x1008 [ 207.645692][ T6584] __arm64_sys_mount+0x514/0x5f0 [ 207.646543][ T6584] invoke_syscall+0x98/0x2b0 [ 207.647257][ T6584] el0_svc_common+0x138/0x258 [ 207.647925][ T6584] do_el0_svc+0x58/0x13c [ 207.648571][ T6584] el0_svc+0x78/0x1d0 [ 207.649177][ T6584] el0t_64_sync_handler+0xcc/0xe4 [ 207.649927][ T6584] el0t_64_sync+0x1a0/0x1a4 [ 207.651688][ T6584] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.653682][ T6584] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:27 executed programs: 549 [ 207.802231][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.803436][ T6587] CPU: 1 PID: 6587 Comm: syz.1.563 Not tainted syzkaller #0 [ 207.804502][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 207.805928][ T6587] Call trace: [ 207.806416][ T6587] dump_backtrace+0x0/0x458 [ 207.807095][ T6587] show_stack+0x2c/0x3c [ 207.807663][ T6587] __dump_stack+0x30/0x40 [ 207.808315][ T6587] dump_stack_lvl+0xf4/0x15c [ 207.808986][ T6587] dump_stack+0x1c/0x5c [ 207.809585][ T6587] sysfs_create_dir_ns+0x244/0x264 [ 207.810402][ T6587] kobject_add_internal+0x5ac/0xc3c [ 207.811249][ T6587] kobject_init_and_add+0x124/0x190 [ 207.812095][ T6587] gfs2_sys_fs_add+0x200/0x41c [ 207.812815][ T6587] gfs2_fill_super+0xddc/0x1a18 [ 207.813587][ T6587] get_tree_bdev+0x358/0x544 [ 207.814284][ T6587] gfs2_get_tree+0x54/0x1b4 [ 207.814970][ T6587] vfs_get_tree+0x90/0x274 [ 207.815680][ T6587] do_new_mount+0x228/0x810 [ 207.816363][ T6587] path_mount+0x5bc/0x1008 [ 207.817032][ T6587] __arm64_sys_mount+0x514/0x5f0 [ 207.817770][ T6587] invoke_syscall+0x98/0x2b0 [ 207.818525][ T6587] el0_svc_common+0x138/0x258 [ 207.819245][ T6587] do_el0_svc+0x58/0x13c [ 207.819887][ T6587] el0_svc+0x78/0x1d0 [ 207.820534][ T6587] el0t_64_sync_handler+0xcc/0xe4 [ 207.821301][ T6587] el0t_64_sync+0x1a0/0x1a4 [ 207.823796][ T6587] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.825997][ T6587] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.973344][ T6590] set_capacity_and_notify: 15 callbacks suppressed [ 207.973354][ T6590] loop1: detected capacity change from 0 to 32768 [ 207.981260][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.982493][ T6590] CPU: 1 PID: 6590 Comm: syz.1.564 Not tainted syzkaller #0 [ 207.983741][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 207.985379][ T6590] Call trace: [ 207.985991][ T6590] dump_backtrace+0x0/0x458 [ 207.986733][ T6590] show_stack+0x2c/0x3c [ 207.987366][ T6590] __dump_stack+0x30/0x40 [ 207.988049][ T6590] dump_stack_lvl+0xf4/0x15c [ 207.988825][ T6590] dump_stack+0x1c/0x5c [ 207.989575][ T6590] sysfs_create_dir_ns+0x244/0x264 [ 207.990468][ T6590] kobject_add_internal+0x5ac/0xc3c [ 207.991360][ T6590] kobject_init_and_add+0x124/0x190 [ 207.992197][ T6590] gfs2_sys_fs_add+0x200/0x41c [ 207.992959][ T6590] gfs2_fill_super+0xddc/0x1a18 [ 207.993747][ T6590] get_tree_bdev+0x358/0x544 [ 207.994470][ T6590] gfs2_get_tree+0x54/0x1b4 [ 207.995199][ T6590] vfs_get_tree+0x90/0x274 [ 207.995873][ T6590] do_new_mount+0x228/0x810 [ 207.996652][ T6590] path_mount+0x5bc/0x1008 [ 207.997367][ T6590] __arm64_sys_mount+0x514/0x5f0 [ 207.998148][ T6590] invoke_syscall+0x98/0x2b0 [ 207.998862][ T6590] el0_svc_common+0x138/0x258 [ 207.999597][ T6590] do_el0_svc+0x58/0x13c [ 208.000316][ T6590] el0_svc+0x78/0x1d0 [ 208.000941][ T6590] el0t_64_sync_handler+0xcc/0xe4 [ 208.001702][ T6590] el0t_64_sync+0x1a0/0x1a4 [ 208.002688][ T6590] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.004720][ T6590] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.205841][ T6593] loop1: detected capacity change from 0 to 32768 [ 208.261521][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.262871][ T6593] CPU: 1 PID: 6593 Comm: syz.1.565 Not tainted syzkaller #0 [ 208.264036][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 208.265790][ T6593] Call trace: [ 208.266330][ T6593] dump_backtrace+0x0/0x458 [ 208.267095][ T6593] show_stack+0x2c/0x3c [ 208.267819][ T6593] __dump_stack+0x30/0x40 [ 208.268575][ T6593] dump_stack_lvl+0xf4/0x15c [ 208.269314][ T6593] dump_stack+0x1c/0x5c [ 208.270063][ T6593] sysfs_create_dir_ns+0x244/0x264 [ 208.270919][ T6593] kobject_add_internal+0x5ac/0xc3c [ 208.271846][ T6593] kobject_init_and_add+0x124/0x190 [ 208.272696][ T6593] gfs2_sys_fs_add+0x200/0x41c [ 208.273560][ T6593] gfs2_fill_super+0xddc/0x1a18 [ 208.274337][ T6593] get_tree_bdev+0x358/0x544 [ 208.275083][ T6593] gfs2_get_tree+0x54/0x1b4 [ 208.275873][ T6593] vfs_get_tree+0x90/0x274 [ 208.276602][ T6593] do_new_mount+0x228/0x810 [ 208.277324][ T6593] path_mount+0x5bc/0x1008 [ 208.278085][ T6593] __arm64_sys_mount+0x514/0x5f0 [ 208.278972][ T6593] invoke_syscall+0x98/0x2b0 [ 208.279736][ T6593] el0_svc_common+0x138/0x258 [ 208.280473][ T6593] do_el0_svc+0x58/0x13c [ 208.281192][ T6593] el0_svc+0x78/0x1d0 [ 208.281930][ T6593] el0t_64_sync_handler+0xcc/0xe4 [ 208.282819][ T6593] el0t_64_sync+0x1a0/0x1a4 [ 208.283670][ T6593] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.285898][ T6593] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.429234][ T6596] loop1: detected capacity change from 0 to 32768 [ 208.436464][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.437708][ T6596] CPU: 0 PID: 6596 Comm: syz.1.566 Not tainted syzkaller #0 [ 208.438827][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 208.440510][ T6596] Call trace: [ 208.441069][ T6596] dump_backtrace+0x0/0x458 [ 208.441803][ T6596] show_stack+0x2c/0x3c [ 208.442495][ T6596] __dump_stack+0x30/0x40 [ 208.443220][ T6596] dump_stack_lvl+0xf4/0x15c [ 208.443993][ T6596] dump_stack+0x1c/0x5c [ 208.444643][ T6596] sysfs_create_dir_ns+0x244/0x264 [ 208.445492][ T6596] kobject_add_internal+0x5ac/0xc3c [ 208.446330][ T6596] kobject_init_and_add+0x124/0x190 [ 208.447156][ T6596] gfs2_sys_fs_add+0x200/0x41c [ 208.448003][ T6596] gfs2_fill_super+0xddc/0x1a18 [ 208.448820][ T6596] get_tree_bdev+0x358/0x544 [ 208.449601][ T6596] gfs2_get_tree+0x54/0x1b4 [ 208.450396][ T6596] vfs_get_tree+0x90/0x274 [ 208.451168][ T6596] do_new_mount+0x228/0x810 [ 208.451909][ T6596] path_mount+0x5bc/0x1008 [ 208.452670][ T6596] __arm64_sys_mount+0x514/0x5f0 [ 208.453529][ T6596] invoke_syscall+0x98/0x2b0 [ 208.454310][ T6596] el0_svc_common+0x138/0x258 [ 208.455133][ T6596] do_el0_svc+0x58/0x13c [ 208.455858][ T6596] el0_svc+0x78/0x1d0 [ 208.456514][ T6596] el0t_64_sync_handler+0xcc/0xe4 [ 208.457385][ T6596] el0t_64_sync+0x1a0/0x1a4 [ 208.459626][ T6596] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.461589][ T6596] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.603150][ T6599] loop1: detected capacity change from 0 to 32768 [ 208.610860][ T6599] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.612133][ T6599] CPU: 1 PID: 6599 Comm: syz.1.567 Not tainted syzkaller #0 [ 208.613142][ T6599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 208.614777][ T6599] Call trace: [ 208.615315][ T6599] dump_backtrace+0x0/0x458 [ 208.616049][ T6599] show_stack+0x2c/0x3c [ 208.616757][ T6599] __dump_stack+0x30/0x40 [ 208.617546][ T6599] dump_stack_lvl+0xf4/0x15c [ 208.618316][ T6599] dump_stack+0x1c/0x5c [ 208.619000][ T6599] sysfs_create_dir_ns+0x244/0x264 [ 208.619885][ T6599] kobject_add_internal+0x5ac/0xc3c [ 208.620754][ T6599] kobject_init_and_add+0x124/0x190 [ 208.621593][ T6599] gfs2_sys_fs_add+0x200/0x41c [ 208.622381][ T6599] gfs2_fill_super+0xddc/0x1a18 [ 208.623204][ T6599] get_tree_bdev+0x358/0x544 [ 208.624035][ T6599] gfs2_get_tree+0x54/0x1b4 [ 208.624807][ T6599] vfs_get_tree+0x90/0x274 [ 208.625550][ T6599] do_new_mount+0x228/0x810 [ 208.626254][ T6599] path_mount+0x5bc/0x1008 [ 208.626936][ T6599] __arm64_sys_mount+0x514/0x5f0 [ 208.627763][ T6599] invoke_syscall+0x98/0x2b0 [ 208.628531][ T6599] el0_svc_common+0x138/0x258 [ 208.629306][ T6599] do_el0_svc+0x58/0x13c [ 208.630021][ T6599] el0_svc+0x78/0x1d0 [ 208.630716][ T6599] el0t_64_sync_handler+0xcc/0xe4 [ 208.631641][ T6599] el0t_64_sync+0x1a0/0x1a4 [ 208.633996][ T6599] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.636082][ T6599] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.771229][ T6602] loop1: detected capacity change from 0 to 32768 [ 208.778550][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.779683][ T6602] CPU: 0 PID: 6602 Comm: syz.1.568 Not tainted syzkaller #0 [ 208.780815][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 208.782411][ T6602] Call trace: [ 208.782980][ T6602] dump_backtrace+0x0/0x458 [ 208.783715][ T6602] show_stack+0x2c/0x3c [ 208.784395][ T6602] __dump_stack+0x30/0x40 [ 208.785121][ T6602] dump_stack_lvl+0xf4/0x15c [ 208.785900][ T6602] dump_stack+0x1c/0x5c [ 208.786610][ T6602] sysfs_create_dir_ns+0x244/0x264 [ 208.787473][ T6602] kobject_add_internal+0x5ac/0xc3c [ 208.788325][ T6602] kobject_init_and_add+0x124/0x190 [ 208.789209][ T6602] gfs2_sys_fs_add+0x200/0x41c [ 208.790015][ T6602] gfs2_fill_super+0xddc/0x1a18 [ 208.790803][ T6602] get_tree_bdev+0x358/0x544 [ 208.791626][ T6602] gfs2_get_tree+0x54/0x1b4 [ 208.792355][ T6602] vfs_get_tree+0x90/0x274 [ 208.793052][ T6602] do_new_mount+0x228/0x810 [ 208.793811][ T6602] path_mount+0x5bc/0x1008 [ 208.794522][ T6602] __arm64_sys_mount+0x514/0x5f0 [ 208.795375][ T6602] invoke_syscall+0x98/0x2b0 [ 208.796157][ T6602] el0_svc_common+0x138/0x258 [ 208.796944][ T6602] do_el0_svc+0x58/0x13c [ 208.797650][ T6602] el0_svc+0x78/0x1d0 [ 208.798338][ T6602] el0t_64_sync_handler+0xcc/0xe4 [ 208.799136][ T6602] el0t_64_sync+0x1a0/0x1a4 [ 208.802617][ T6602] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.804649][ T6602] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.936677][ T6605] loop1: detected capacity change from 0 to 32768 [ 209.005373][ T6605] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.006583][ T6605] CPU: 0 PID: 6605 Comm: syz.1.569 Not tainted syzkaller #0 [ 209.007780][ T6605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 209.009492][ T6605] Call trace: [ 209.010089][ T6605] dump_backtrace+0x0/0x458 [ 209.010827][ T6605] show_stack+0x2c/0x3c [ 209.011542][ T6605] __dump_stack+0x30/0x40 [ 209.012258][ T6605] dump_stack_lvl+0xf4/0x15c [ 209.013043][ T6605] dump_stack+0x1c/0x5c [ 209.013709][ T6605] sysfs_create_dir_ns+0x244/0x264 [ 209.014469][ T6605] kobject_add_internal+0x5ac/0xc3c [ 209.015369][ T6605] kobject_init_and_add+0x124/0x190 [ 209.016231][ T6605] gfs2_sys_fs_add+0x200/0x41c [ 209.017032][ T6605] gfs2_fill_super+0xddc/0x1a18 [ 209.017860][ T6605] get_tree_bdev+0x358/0x544 [ 209.018661][ T6605] gfs2_get_tree+0x54/0x1b4 [ 209.019406][ T6605] vfs_get_tree+0x90/0x274 [ 209.020138][ T6605] do_new_mount+0x228/0x810 [ 209.020886][ T6605] path_mount+0x5bc/0x1008 [ 209.021712][ T6605] __arm64_sys_mount+0x514/0x5f0 [ 209.022558][ T6605] invoke_syscall+0x98/0x2b0 [ 209.023385][ T6605] el0_svc_common+0x138/0x258 [ 209.024189][ T6605] do_el0_svc+0x58/0x13c [ 209.024855][ T6605] el0_svc+0x78/0x1d0 [ 209.025513][ T6605] el0t_64_sync_handler+0xcc/0xe4 [ 209.026377][ T6605] el0t_64_sync+0x1a0/0x1a4 [ 209.028220][ T6605] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.030282][ T6605] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.234200][ T6608] loop1: detected capacity change from 0 to 32768 [ 209.291291][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.292432][ T6608] CPU: 1 PID: 6608 Comm: syz.1.570 Not tainted syzkaller #0 [ 209.293568][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 209.295172][ T6608] Call trace: [ 209.295718][ T6608] dump_backtrace+0x0/0x458 [ 209.296443][ T6608] show_stack+0x2c/0x3c [ 209.297148][ T6608] __dump_stack+0x30/0x40 [ 209.297822][ T6608] dump_stack_lvl+0xf4/0x15c [ 209.298572][ T6608] dump_stack+0x1c/0x5c [ 209.299219][ T6608] sysfs_create_dir_ns+0x244/0x264 [ 209.300044][ T6608] kobject_add_internal+0x5ac/0xc3c [ 209.300907][ T6608] kobject_init_and_add+0x124/0x190 [ 209.301835][ T6608] gfs2_sys_fs_add+0x200/0x41c [ 209.302684][ T6608] gfs2_fill_super+0xddc/0x1a18 [ 209.303498][ T6608] get_tree_bdev+0x358/0x544 [ 209.304211][ T6608] gfs2_get_tree+0x54/0x1b4 [ 209.304997][ T6608] vfs_get_tree+0x90/0x274 [ 209.305707][ T6608] do_new_mount+0x228/0x810 [ 209.306427][ T6608] path_mount+0x5bc/0x1008 [ 209.307204][ T6608] __arm64_sys_mount+0x514/0x5f0 [ 209.308065][ T6608] invoke_syscall+0x98/0x2b0 [ 209.308807][ T6608] el0_svc_common+0x138/0x258 [ 209.309599][ T6608] do_el0_svc+0x58/0x13c [ 209.310335][ T6608] el0_svc+0x78/0x1d0 [ 209.311018][ T6608] el0t_64_sync_handler+0xcc/0xe4 [ 209.311851][ T6608] el0t_64_sync+0x1a0/0x1a4 [ 209.312892][ T6608] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.315117][ T6608] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.452415][ T6611] loop1: detected capacity change from 0 to 32768 [ 209.460018][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.461201][ T6611] CPU: 0 PID: 6611 Comm: syz.1.571 Not tainted syzkaller #0 [ 209.462401][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 209.464051][ T6611] Call trace: [ 209.464538][ T6611] dump_backtrace+0x0/0x458 [ 209.465304][ T6611] show_stack+0x2c/0x3c [ 209.466007][ T6611] __dump_stack+0x30/0x40 [ 209.466795][ T6611] dump_stack_lvl+0xf4/0x15c [ 209.467511][ T6611] dump_stack+0x1c/0x5c [ 209.468206][ T6611] sysfs_create_dir_ns+0x244/0x264 [ 209.469077][ T6611] kobject_add_internal+0x5ac/0xc3c [ 209.469969][ T6611] kobject_init_and_add+0x124/0x190 [ 209.470810][ T6611] gfs2_sys_fs_add+0x200/0x41c [ 209.471608][ T6611] gfs2_fill_super+0xddc/0x1a18 [ 209.472423][ T6611] get_tree_bdev+0x358/0x544 [ 209.473232][ T6611] gfs2_get_tree+0x54/0x1b4 [ 209.473934][ T6611] vfs_get_tree+0x90/0x274 [ 209.474647][ T6611] do_new_mount+0x228/0x810 [ 209.475432][ T6611] path_mount+0x5bc/0x1008 [ 209.476153][ T6611] __arm64_sys_mount+0x514/0x5f0 [ 209.476918][ T6611] invoke_syscall+0x98/0x2b0 [ 209.477634][ T6611] el0_svc_common+0x138/0x258 [ 209.478366][ T6611] do_el0_svc+0x58/0x13c [ 209.479020][ T6611] el0_svc+0x78/0x1d0 [ 209.479645][ T6611] el0t_64_sync_handler+0xcc/0xe4 [ 209.480516][ T6611] el0t_64_sync+0x1a0/0x1a4 [ 209.482913][ T6611] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.484850][ T6611] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.619173][ T6614] loop1: detected capacity change from 0 to 32768 [ 209.655427][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.656605][ T6614] CPU: 0 PID: 6614 Comm: syz.1.572 Not tainted syzkaller #0 [ 209.657698][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 209.659358][ T6614] Call trace: [ 209.659885][ T6614] dump_backtrace+0x0/0x458 [ 209.660578][ T6614] show_stack+0x2c/0x3c [ 209.661207][ T6614] __dump_stack+0x30/0x40 [ 209.661991][ T6614] dump_stack_lvl+0xf4/0x15c [ 209.662768][ T6614] dump_stack+0x1c/0x5c [ 209.663425][ T6614] sysfs_create_dir_ns+0x244/0x264 [ 209.664220][ T6614] kobject_add_internal+0x5ac/0xc3c [ 209.665070][ T6614] kobject_init_and_add+0x124/0x190 [ 209.665973][ T6614] gfs2_sys_fs_add+0x200/0x41c [ 209.666798][ T6614] gfs2_fill_super+0xddc/0x1a18 [ 209.667733][ T6614] get_tree_bdev+0x358/0x544 [ 209.668543][ T6614] gfs2_get_tree+0x54/0x1b4 [ 209.669314][ T6614] vfs_get_tree+0x90/0x274 [ 209.670125][ T6614] do_new_mount+0x228/0x810 [ 209.670932][ T6614] path_mount+0x5bc/0x1008 [ 209.671667][ T6614] __arm64_sys_mount+0x514/0x5f0 [ 209.672513][ T6614] invoke_syscall+0x98/0x2b0 [ 209.673265][ T6614] el0_svc_common+0x138/0x258 [ 209.674072][ T6614] do_el0_svc+0x58/0x13c [ 209.674921][ T6614] el0_svc+0x78/0x1d0 [ 209.675610][ T6614] el0t_64_sync_handler+0xcc/0xe4 [ 209.676466][ T6614] el0t_64_sync+0x1a0/0x1a4 [ 209.678676][ T6614] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.680684][ T6614] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.821441][ T6617] loop1: detected capacity change from 0 to 32768 [ 209.828780][ T6617] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.830060][ T6617] CPU: 1 PID: 6617 Comm: syz.1.573 Not tainted syzkaller #0 [ 209.831273][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 209.832919][ T6617] Call trace: [ 209.833510][ T6617] dump_backtrace+0x0/0x458 [ 209.834278][ T6617] show_stack+0x2c/0x3c [ 209.834973][ T6617] __dump_stack+0x30/0x40 [ 209.835712][ T6617] dump_stack_lvl+0xf4/0x15c [ 209.836529][ T6617] dump_stack+0x1c/0x5c [ 209.837193][ T6617] sysfs_create_dir_ns+0x244/0x264 [ 209.838017][ T6617] kobject_add_internal+0x5ac/0xc3c [ 209.838846][ T6617] kobject_init_and_add+0x124/0x190 [ 209.839706][ T6617] gfs2_sys_fs_add+0x200/0x41c [ 209.840532][ T6617] gfs2_fill_super+0xddc/0x1a18 [ 209.841337][ T6617] get_tree_bdev+0x358/0x544 [ 209.842095][ T6617] gfs2_get_tree+0x54/0x1b4 [ 209.842841][ T6617] vfs_get_tree+0x90/0x274 [ 209.843574][ T6617] do_new_mount+0x228/0x810 [ 209.844352][ T6617] path_mount+0x5bc/0x1008 [ 209.845163][ T6617] __arm64_sys_mount+0x514/0x5f0 [ 209.845947][ T6617] invoke_syscall+0x98/0x2b0 [ 209.846710][ T6617] el0_svc_common+0x138/0x258 [ 209.847485][ T6617] do_el0_svc+0x58/0x13c [ 209.848208][ T6617] el0_svc+0x78/0x1d0 [ 209.848938][ T6617] el0t_64_sync_handler+0xcc/0xe4 [ 209.849790][ T6617] el0t_64_sync+0x1a0/0x1a4 [ 209.853097][ T6617] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.857395][ T6617] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.045976][ T6620] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.047297][ T6620] CPU: 1 PID: 6620 Comm: syz.1.574 Not tainted syzkaller #0 [ 210.048468][ T6620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 210.050156][ T6620] Call trace: [ 210.050702][ T6620] dump_backtrace+0x0/0x458 [ 210.051459][ T6620] show_stack+0x2c/0x3c [ 210.052246][ T6620] __dump_stack+0x30/0x40 [ 210.053035][ T6620] dump_stack_lvl+0xf4/0x15c [ 210.053762][ T6620] dump_stack+0x1c/0x5c [ 210.054489][ T6620] sysfs_create_dir_ns+0x244/0x264 [ 210.055331][ T6620] kobject_add_internal+0x5ac/0xc3c [ 210.056179][ T6620] kobject_init_and_add+0x124/0x190 [ 210.057011][ T6620] gfs2_sys_fs_add+0x200/0x41c [ 210.057858][ T6620] gfs2_fill_super+0xddc/0x1a18 [ 210.058681][ T6620] get_tree_bdev+0x358/0x544 [ 210.059463][ T6620] gfs2_get_tree+0x54/0x1b4 [ 210.060204][ T6620] vfs_get_tree+0x90/0x274 [ 210.060934][ T6620] do_new_mount+0x228/0x810 [ 210.061700][ T6620] path_mount+0x5bc/0x1008 [ 210.062448][ T6620] __arm64_sys_mount+0x514/0x5f0 [ 210.063344][ T6620] invoke_syscall+0x98/0x2b0 [ 210.064156][ T6620] el0_svc_common+0x138/0x258 [ 210.064927][ T6620] do_el0_svc+0x58/0x13c [ 210.065590][ T6620] el0_svc+0x78/0x1d0 [ 210.066261][ T6620] el0t_64_sync_handler+0xcc/0xe4 [ 210.067090][ T6620] el0t_64_sync+0x1a0/0x1a4 [ 210.068012][ T6620] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.070000][ T6620] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.245448][ T6623] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.246658][ T6623] CPU: 0 PID: 6623 Comm: syz.1.575 Not tainted syzkaller #0 [ 210.247789][ T6623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 210.249443][ T6623] Call trace: [ 210.249939][ T6623] dump_backtrace+0x0/0x458 [ 210.250690][ T6623] show_stack+0x2c/0x3c [ 210.251409][ T6623] __dump_stack+0x30/0x40 [ 210.252156][ T6623] dump_stack_lvl+0xf4/0x15c [ 210.252938][ T6623] dump_stack+0x1c/0x5c [ 210.253609][ T6623] sysfs_create_dir_ns+0x244/0x264 [ 210.254496][ T6623] kobject_add_internal+0x5ac/0xc3c [ 210.255373][ T6623] kobject_init_and_add+0x124/0x190 [ 210.256238][ T6623] gfs2_sys_fs_add+0x200/0x41c [ 210.256988][ T6623] gfs2_fill_super+0xddc/0x1a18 [ 210.257804][ T6623] get_tree_bdev+0x358/0x544 [ 210.258538][ T6623] gfs2_get_tree+0x54/0x1b4 [ 210.259273][ T6623] vfs_get_tree+0x90/0x274 [ 210.259972][ T6623] do_new_mount+0x228/0x810 [ 210.260706][ T6623] path_mount+0x5bc/0x1008 [ 210.261379][ T6623] __arm64_sys_mount+0x514/0x5f0 [ 210.262206][ T6623] invoke_syscall+0x98/0x2b0 [ 210.262990][ T6623] el0_svc_common+0x138/0x258 [ 210.263670][ T6623] do_el0_svc+0x58/0x13c [ 210.264331][ T6623] el0_svc+0x78/0x1d0 [ 210.265012][ T6623] el0t_64_sync_handler+0xcc/0xe4 [ 210.265733][ T6623] el0t_64_sync+0x1a0/0x1a4 [ 210.268083][ T6623] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.270254][ T6623] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.414479][ T6626] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.415848][ T6626] CPU: 1 PID: 6626 Comm: syz.1.576 Not tainted syzkaller #0 [ 210.416959][ T6626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 210.418710][ T6626] Call trace: [ 210.419204][ T6626] dump_backtrace+0x0/0x458 [ 210.419956][ T6626] show_stack+0x2c/0x3c [ 210.420643][ T6626] __dump_stack+0x30/0x40 [ 210.421346][ T6626] dump_stack_lvl+0xf4/0x15c [ 210.422097][ T6626] dump_stack+0x1c/0x5c [ 210.422788][ T6626] sysfs_create_dir_ns+0x244/0x264 [ 210.423633][ T6626] kobject_add_internal+0x5ac/0xc3c [ 210.424518][ T6626] kobject_init_and_add+0x124/0x190 [ 210.425384][ T6626] gfs2_sys_fs_add+0x200/0x41c [ 210.426120][ T6626] gfs2_fill_super+0xddc/0x1a18 [ 210.426856][ T6626] get_tree_bdev+0x358/0x544 [ 210.427544][ T6626] gfs2_get_tree+0x54/0x1b4 [ 210.428246][ T6626] vfs_get_tree+0x90/0x274 [ 210.428932][ T6626] do_new_mount+0x228/0x810 [ 210.429634][ T6626] path_mount+0x5bc/0x1008 [ 210.430323][ T6626] __arm64_sys_mount+0x514/0x5f0 [ 210.431078][ T6626] invoke_syscall+0x98/0x2b0 [ 210.431771][ T6626] el0_svc_common+0x138/0x258 [ 210.432563][ T6626] do_el0_svc+0x58/0x13c [ 210.433256][ T6626] el0_svc+0x78/0x1d0 [ 210.433907][ T6626] el0t_64_sync_handler+0xcc/0xe4 [ 210.434716][ T6626] el0t_64_sync+0x1a0/0x1a4 [ 210.437026][ T6626] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.439137][ T6626] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.649553][ T6629] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.650736][ T6629] CPU: 1 PID: 6629 Comm: syz.1.577 Not tainted syzkaller #0 [ 210.651999][ T6629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 210.653724][ T6629] Call trace: [ 210.654268][ T6629] dump_backtrace+0x0/0x458 [ 210.655089][ T6629] show_stack+0x2c/0x3c [ 210.655788][ T6629] __dump_stack+0x30/0x40 [ 210.656546][ T6629] dump_stack_lvl+0xf4/0x15c [ 210.657398][ T6629] dump_stack+0x1c/0x5c [ 210.658086][ T6629] sysfs_create_dir_ns+0x244/0x264 [ 210.658926][ T6629] kobject_add_internal+0x5ac/0xc3c [ 210.659752][ T6629] kobject_init_and_add+0x124/0x190 [ 210.660666][ T6629] gfs2_sys_fs_add+0x200/0x41c [ 210.661533][ T6629] gfs2_fill_super+0xddc/0x1a18 [ 210.662375][ T6629] get_tree_bdev+0x358/0x544 [ 210.663137][ T6629] gfs2_get_tree+0x54/0x1b4 [ 210.663910][ T6629] vfs_get_tree+0x90/0x274 [ 210.664688][ T6629] do_new_mount+0x228/0x810 [ 210.665545][ T6629] path_mount+0x5bc/0x1008 [ 210.666326][ T6629] __arm64_sys_mount+0x514/0x5f0 [ 210.667148][ T6629] invoke_syscall+0x98/0x2b0 [ 210.667939][ T6629] el0_svc_common+0x138/0x258 [ 210.668783][ T6629] do_el0_svc+0x58/0x13c [ 210.669465][ T6629] el0_svc+0x78/0x1d0 [ 210.670110][ T6629] el0t_64_sync_handler+0xcc/0xe4 [ 210.670962][ T6629] el0t_64_sync+0x1a0/0x1a4 [ 210.672260][ T6629] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.674412][ T6629] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.890296][ T6632] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.891621][ T6632] CPU: 0 PID: 6632 Comm: syz.1.578 Not tainted syzkaller #0 [ 210.892697][ T6632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 210.894233][ T6632] Call trace: [ 210.894746][ T6632] dump_backtrace+0x0/0x458 [ 210.895562][ T6632] show_stack+0x2c/0x3c [ 210.896256][ T6632] __dump_stack+0x30/0x40 [ 210.896990][ T6632] dump_stack_lvl+0xf4/0x15c [ 210.897736][ T6632] dump_stack+0x1c/0x5c [ 210.898371][ T6632] sysfs_create_dir_ns+0x244/0x264 [ 210.899191][ T6632] kobject_add_internal+0x5ac/0xc3c [ 210.900029][ T6632] kobject_init_and_add+0x124/0x190 [ 210.900933][ T6632] gfs2_sys_fs_add+0x200/0x41c [ 210.901755][ T6632] gfs2_fill_super+0xddc/0x1a18 [ 210.902582][ T6632] get_tree_bdev+0x358/0x544 [ 210.903418][ T6632] gfs2_get_tree+0x54/0x1b4 [ 210.904154][ T6632] vfs_get_tree+0x90/0x274 [ 210.904888][ T6632] do_new_mount+0x228/0x810 [ 210.905653][ T6632] path_mount+0x5bc/0x1008 [ 210.906305][ T6632] __arm64_sys_mount+0x514/0x5f0 [ 210.907082][ T6632] invoke_syscall+0x98/0x2b0 [ 210.907850][ T6632] el0_svc_common+0x138/0x258 [ 210.908632][ T6632] do_el0_svc+0x58/0x13c [ 210.909414][ T6632] el0_svc+0x78/0x1d0 [ 210.910035][ T6632] el0t_64_sync_handler+0xcc/0xe4 [ 210.910806][ T6632] el0t_64_sync+0x1a0/0x1a4 [ 210.913140][ T6632] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.915187][ T6632] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.135454][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.136674][ T6635] CPU: 0 PID: 6635 Comm: syz.1.579 Not tainted syzkaller #0 [ 211.137812][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 211.139292][ T6635] Call trace: [ 211.139750][ T6635] dump_backtrace+0x0/0x458 [ 211.140470][ T6635] show_stack+0x2c/0x3c [ 211.141154][ T6635] __dump_stack+0x30/0x40 [ 211.141882][ T6635] dump_stack_lvl+0xf4/0x15c [ 211.142651][ T6635] dump_stack+0x1c/0x5c [ 211.143383][ T6635] sysfs_create_dir_ns+0x244/0x264 [ 211.144176][ T6635] kobject_add_internal+0x5ac/0xc3c [ 211.145064][ T6635] kobject_init_and_add+0x124/0x190 [ 211.145969][ T6635] gfs2_sys_fs_add+0x200/0x41c [ 211.146855][ T6635] gfs2_fill_super+0xddc/0x1a18 [ 211.147697][ T6635] get_tree_bdev+0x358/0x544 [ 211.148485][ T6635] gfs2_get_tree+0x54/0x1b4 [ 211.149215][ T6635] vfs_get_tree+0x90/0x274 [ 211.149821][ T6635] do_new_mount+0x228/0x810 [ 211.150593][ T6635] path_mount+0x5bc/0x1008 [ 211.151289][ T6635] __arm64_sys_mount+0x514/0x5f0 [ 211.152070][ T6635] invoke_syscall+0x98/0x2b0 [ 211.152839][ T6635] el0_svc_common+0x138/0x258 [ 211.153700][ T6635] do_el0_svc+0x58/0x13c [ 211.154428][ T6635] el0_svc+0x78/0x1d0 [ 211.155091][ T6635] el0t_64_sync_handler+0xcc/0xe4 [ 211.155956][ T6635] el0t_64_sync+0x1a0/0x1a4 [ 211.158276][ T6635] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.160272][ T6635] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.302055][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.303502][ T6638] CPU: 0 PID: 6638 Comm: syz.1.580 Not tainted syzkaller #0 [ 211.304611][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 211.306272][ T6638] Call trace: [ 211.306784][ T6638] dump_backtrace+0x0/0x458 [ 211.307539][ T6638] show_stack+0x2c/0x3c [ 211.308267][ T6638] __dump_stack+0x30/0x40 [ 211.308999][ T6638] dump_stack_lvl+0xf4/0x15c [ 211.309730][ T6638] dump_stack+0x1c/0x5c [ 211.310420][ T6638] sysfs_create_dir_ns+0x244/0x264 [ 211.311271][ T6638] kobject_add_internal+0x5ac/0xc3c [ 211.312140][ T6638] kobject_init_and_add+0x124/0x190 [ 211.312993][ T6638] gfs2_sys_fs_add+0x200/0x41c [ 211.313813][ T6638] gfs2_fill_super+0xddc/0x1a18 [ 211.314610][ T6638] get_tree_bdev+0x358/0x544 [ 211.315326][ T6638] gfs2_get_tree+0x54/0x1b4 [ 211.316091][ T6638] vfs_get_tree+0x90/0x274 [ 211.316799][ T6638] do_new_mount+0x228/0x810 [ 211.317579][ T6638] path_mount+0x5bc/0x1008 [ 211.318353][ T6638] __arm64_sys_mount+0x514/0x5f0 [ 211.319162][ T6638] invoke_syscall+0x98/0x2b0 [ 211.319945][ T6638] el0_svc_common+0x138/0x258 [ 211.320772][ T6638] do_el0_svc+0x58/0x13c [ 211.321518][ T6638] el0_svc+0x78/0x1d0 [ 211.322251][ T6638] el0t_64_sync_handler+0xcc/0xe4 [ 211.323098][ T6638] el0t_64_sync+0x1a0/0x1a4 [ 211.324948][ T6638] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.326970][ T6638] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.526058][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.527291][ T6641] CPU: 1 PID: 6641 Comm: syz.1.581 Not tainted syzkaller #0 [ 211.528551][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 211.530220][ T6641] Call trace: [ 211.530767][ T6641] dump_backtrace+0x0/0x458 [ 211.531533][ T6641] show_stack+0x2c/0x3c [ 211.532194][ T6641] __dump_stack+0x30/0x40 [ 211.532891][ T6641] dump_stack_lvl+0xf4/0x15c [ 211.533648][ T6641] dump_stack+0x1c/0x5c [ 211.534332][ T6641] sysfs_create_dir_ns+0x244/0x264 [ 211.535192][ T6641] kobject_add_internal+0x5ac/0xc3c [ 211.536061][ T6641] kobject_init_and_add+0x124/0x190 [ 211.536945][ T6641] gfs2_sys_fs_add+0x200/0x41c [ 211.537677][ T6641] gfs2_fill_super+0xddc/0x1a18 [ 211.538517][ T6641] get_tree_bdev+0x358/0x544 [ 211.539270][ T6641] gfs2_get_tree+0x54/0x1b4 [ 211.539966][ T6641] vfs_get_tree+0x90/0x274 [ 211.540635][ T6641] do_new_mount+0x228/0x810 [ 211.541295][ T6641] path_mount+0x5bc/0x1008 [ 211.541946][ T6641] __arm64_sys_mount+0x514/0x5f0 [ 211.542769][ T6641] invoke_syscall+0x98/0x2b0 [ 211.543498][ T6641] el0_svc_common+0x138/0x258 [ 211.544303][ T6641] do_el0_svc+0x58/0x13c [ 211.545045][ T6641] el0_svc+0x78/0x1d0 [ 211.545714][ T6641] el0t_64_sync_handler+0xcc/0xe4 [ 211.546537][ T6641] el0t_64_sync+0x1a0/0x1a4 [ 211.547657][ T6641] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.549722][ T6641] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.765047][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.766304][ T6644] CPU: 1 PID: 6644 Comm: syz.1.582 Not tainted syzkaller #0 [ 211.767360][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 211.769006][ T6644] Call trace: [ 211.769500][ T6644] dump_backtrace+0x0/0x458 [ 211.770160][ T6644] show_stack+0x2c/0x3c [ 211.770788][ T6644] __dump_stack+0x30/0x40 [ 211.771464][ T6644] dump_stack_lvl+0xf4/0x15c [ 211.772268][ T6644] dump_stack+0x1c/0x5c [ 211.772940][ T6644] sysfs_create_dir_ns+0x244/0x264 [ 211.773774][ T6644] kobject_add_internal+0x5ac/0xc3c [ 211.774728][ T6644] kobject_init_and_add+0x124/0x190 [ 211.775555][ T6644] gfs2_sys_fs_add+0x200/0x41c [ 211.776386][ T6644] gfs2_fill_super+0xddc/0x1a18 [ 211.777230][ T6644] get_tree_bdev+0x358/0x544 [ 211.778030][ T6644] gfs2_get_tree+0x54/0x1b4 [ 211.778834][ T6644] vfs_get_tree+0x90/0x274 [ 211.779543][ T6644] do_new_mount+0x228/0x810 [ 211.780361][ T6644] path_mount+0x5bc/0x1008 [ 211.781112][ T6644] __arm64_sys_mount+0x514/0x5f0 [ 211.781932][ T6644] invoke_syscall+0x98/0x2b0 [ 211.782710][ T6644] el0_svc_common+0x138/0x258 [ 211.783573][ T6644] do_el0_svc+0x58/0x13c [ 211.784287][ T6644] el0_svc+0x78/0x1d0 [ 211.784948][ T6644] el0t_64_sync_handler+0xcc/0xe4 [ 211.785720][ T6644] el0t_64_sync+0x1a0/0x1a4 [ 211.788134][ T6644] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.790104][ T6644] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.995465][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.996678][ T6647] CPU: 0 PID: 6647 Comm: syz.1.583 Not tainted syzkaller #0 [ 211.997874][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 211.999542][ T6647] Call trace: [ 212.000075][ T6647] dump_backtrace+0x0/0x458 [ 212.000755][ T6647] show_stack+0x2c/0x3c [ 212.001420][ T6647] __dump_stack+0x30/0x40 [ 212.002180][ T6647] dump_stack_lvl+0xf4/0x15c [ 212.002975][ T6647] dump_stack+0x1c/0x5c [ 212.003699][ T6647] sysfs_create_dir_ns+0x244/0x264 [ 212.004541][ T6647] kobject_add_internal+0x5ac/0xc3c [ 212.005390][ T6647] kobject_init_and_add+0x124/0x190 [ 212.006276][ T6647] gfs2_sys_fs_add+0x200/0x41c [ 212.007028][ T6647] gfs2_fill_super+0xddc/0x1a18 [ 212.007792][ T6647] get_tree_bdev+0x358/0x544 [ 212.008545][ T6647] gfs2_get_tree+0x54/0x1b4 [ 212.009264][ T6647] vfs_get_tree+0x90/0x274 [ 212.009952][ T6647] do_new_mount+0x228/0x810 [ 212.010638][ T6647] path_mount+0x5bc/0x1008 [ 212.011303][ T6647] __arm64_sys_mount+0x514/0x5f0 [ 212.012061][ T6647] invoke_syscall+0x98/0x2b0 [ 212.012783][ T6647] el0_svc_common+0x138/0x258 [ 212.013509][ T6647] do_el0_svc+0x58/0x13c [ 212.014144][ T6647] el0_svc+0x78/0x1d0 [ 212.014742][ T6647] el0t_64_sync_handler+0xcc/0xe4 [ 212.015463][ T6647] el0t_64_sync+0x1a0/0x1a4 [ 212.016352][ T6647] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.018391][ T6647] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.163011][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.164367][ T6650] CPU: 1 PID: 6650 Comm: syz.1.584 Not tainted syzkaller #0 [ 212.165580][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 212.167350][ T6650] Call trace: [ 212.167894][ T6650] dump_backtrace+0x0/0x458 [ 212.168656][ T6650] show_stack+0x2c/0x3c [ 212.169462][ T6650] __dump_stack+0x30/0x40 [ 212.170201][ T6650] dump_stack_lvl+0xf4/0x15c [ 212.170971][ T6650] dump_stack+0x1c/0x5c [ 212.171685][ T6650] sysfs_create_dir_ns+0x244/0x264 [ 212.172555][ T6650] kobject_add_internal+0x5ac/0xc3c [ 212.173377][ T6650] kobject_init_and_add+0x124/0x190 [ 212.174197][ T6650] gfs2_sys_fs_add+0x200/0x41c [ 212.175012][ T6650] gfs2_fill_super+0xddc/0x1a18 [ 212.175721][ T6650] get_tree_bdev+0x358/0x544 [ 212.176426][ T6650] gfs2_get_tree+0x54/0x1b4 [ 212.177076][ T6650] vfs_get_tree+0x90/0x274 [ 212.177787][ T6650] do_new_mount+0x228/0x810 [ 212.178489][ T6650] path_mount+0x5bc/0x1008 [ 212.179163][ T6650] __arm64_sys_mount+0x514/0x5f0 [ 212.180031][ T6650] invoke_syscall+0x98/0x2b0 [ 212.180767][ T6650] el0_svc_common+0x138/0x258 [ 212.181590][ T6650] do_el0_svc+0x58/0x13c [ 212.182315][ T6650] el0_svc+0x78/0x1d0 [ 212.182992][ T6650] el0t_64_sync_handler+0xcc/0xe4 [ 212.183841][ T6650] el0t_64_sync+0x1a0/0x1a4 [ 212.187307][ T6650] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.189478][ T6650] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.355424][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.356607][ T6653] CPU: 1 PID: 6653 Comm: syz.1.585 Not tainted syzkaller #0 [ 212.357847][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 212.359649][ T6653] Call trace: [ 212.360191][ T6653] dump_backtrace+0x0/0x458 [ 212.360896][ T6653] show_stack+0x2c/0x3c [ 212.361509][ T6653] __dump_stack+0x30/0x40 [ 212.362171][ T6653] dump_stack_lvl+0xf4/0x15c [ 212.362997][ T6653] dump_stack+0x1c/0x5c [ 212.363701][ T6653] sysfs_create_dir_ns+0x244/0x264 [ 212.364525][ T6653] kobject_add_internal+0x5ac/0xc3c [ 212.365396][ T6653] kobject_init_and_add+0x124/0x190 [ 212.366282][ T6653] gfs2_sys_fs_add+0x200/0x41c [ 212.367095][ T6653] gfs2_fill_super+0xddc/0x1a18 [ 212.367913][ T6653] get_tree_bdev+0x358/0x544 [ 212.368773][ T6653] gfs2_get_tree+0x54/0x1b4 [ 212.369490][ T6653] vfs_get_tree+0x90/0x274 [ 212.370291][ T6653] do_new_mount+0x228/0x810 [ 212.371131][ T6653] path_mount+0x5bc/0x1008 [ 212.371903][ T6653] __arm64_sys_mount+0x514/0x5f0 [ 212.372638][ T6653] invoke_syscall+0x98/0x2b0 [ 212.373411][ T6653] el0_svc_common+0x138/0x258 [ 212.374168][ T6653] do_el0_svc+0x58/0x13c [ 212.374873][ T6653] el0_svc+0x78/0x1d0 [ 212.375545][ T6653] el0t_64_sync_handler+0xcc/0xe4 [ 212.376432][ T6653] el0t_64_sync+0x1a0/0x1a4 [ 212.378705][ T6653] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.380655][ T6653] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.701516][ T6656] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.702945][ T6656] CPU: 1 PID: 6656 Comm: syz.1.586 Not tainted syzkaller #0 [ 212.704178][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 212.705881][ T6656] Call trace: [ 212.706403][ T6656] dump_backtrace+0x0/0x458 [ 212.707219][ T6656] show_stack+0x2c/0x3c [ 212.707960][ T6656] __dump_stack+0x30/0x40 [ 212.708779][ T6656] dump_stack_lvl+0xf4/0x15c [ 212.709510][ T6656] dump_stack+0x1c/0x5c [ 212.710172][ T6656] sysfs_create_dir_ns+0x244/0x264 [ 212.711064][ T6656] kobject_add_internal+0x5ac/0xc3c [ 212.711956][ T6656] kobject_init_and_add+0x124/0x190 [ 212.712854][ T6656] gfs2_sys_fs_add+0x200/0x41c [ 212.713718][ T6656] gfs2_fill_super+0xddc/0x1a18 [ 212.714593][ T6656] get_tree_bdev+0x358/0x544 [ 212.715333][ T6656] gfs2_get_tree+0x54/0x1b4 [ 212.716087][ T6656] vfs_get_tree+0x90/0x274 [ 212.716747][ T6656] do_new_mount+0x228/0x810 [ 212.717491][ T6656] path_mount+0x5bc/0x1008 [ 212.718138][ T6656] __arm64_sys_mount+0x514/0x5f0 [ 212.718904][ T6656] invoke_syscall+0x98/0x2b0 [ 212.719686][ T6656] el0_svc_common+0x138/0x258 [ 212.720380][ T6656] do_el0_svc+0x58/0x13c [ 212.721038][ T6656] el0_svc+0x78/0x1d0 [ 212.721670][ T6656] el0t_64_sync_handler+0xcc/0xe4 [ 212.722403][ T6656] el0t_64_sync+0x1a0/0x1a4 [ 212.725510][ T6656] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.727665][ T6656] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:32 executed programs: 573 [ 212.987598][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.988918][ T6659] CPU: 1 PID: 6659 Comm: syz.1.587 Not tainted syzkaller #0 [ 212.990440][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 212.991984][ T6659] Call trace: [ 212.992597][ T6659] dump_backtrace+0x0/0x458 [ 212.993400][ T6659] show_stack+0x2c/0x3c [ 212.994073][ T6659] __dump_stack+0x30/0x40 [ 212.994764][ T6659] dump_stack_lvl+0xf4/0x15c [ 212.995616][ T6659] dump_stack+0x1c/0x5c [ 212.996335][ T6659] sysfs_create_dir_ns+0x244/0x264 [ 212.997237][ T6659] kobject_add_internal+0x5ac/0xc3c [ 212.998158][ T6659] kobject_init_and_add+0x124/0x190 [ 212.999032][ T6659] gfs2_sys_fs_add+0x200/0x41c [ 212.999760][ T6659] gfs2_fill_super+0xddc/0x1a18 [ 213.000577][ T6659] get_tree_bdev+0x358/0x544 [ 213.001269][ T6659] gfs2_get_tree+0x54/0x1b4 [ 213.002024][ T6659] vfs_get_tree+0x90/0x274 [ 213.002888][ T6659] do_new_mount+0x228/0x810 [ 213.003616][ T6659] path_mount+0x5bc/0x1008 [ 213.004411][ T6659] __arm64_sys_mount+0x514/0x5f0 [ 213.005320][ T6659] invoke_syscall+0x98/0x2b0 [ 213.006073][ T6659] el0_svc_common+0x138/0x258 [ 213.006932][ T6659] do_el0_svc+0x58/0x13c [ 213.007624][ T6659] el0_svc+0x78/0x1d0 [ 213.008280][ T6659] el0t_64_sync_handler+0xcc/0xe4 [ 213.009097][ T6659] el0t_64_sync+0x1a0/0x1a4 [ 213.012550][ T6659] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.015003][ T6659] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.150008][ T6662] set_capacity_and_notify: 14 callbacks suppressed [ 213.150019][ T6662] loop1: detected capacity change from 0 to 32768 [ 213.195811][ T6662] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.197060][ T6662] CPU: 1 PID: 6662 Comm: syz.1.588 Not tainted syzkaller #0 [ 213.198162][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 213.199736][ T6662] Call trace: [ 213.200306][ T6662] dump_backtrace+0x0/0x458 [ 213.201001][ T6662] show_stack+0x2c/0x3c [ 213.201670][ T6662] __dump_stack+0x30/0x40 [ 213.202342][ T6662] dump_stack_lvl+0xf4/0x15c [ 213.203005][ T6662] dump_stack+0x1c/0x5c [ 213.203611][ T6662] sysfs_create_dir_ns+0x244/0x264 [ 213.204393][ T6662] kobject_add_internal+0x5ac/0xc3c [ 213.205265][ T6662] kobject_init_and_add+0x124/0x190 [ 213.206193][ T6662] gfs2_sys_fs_add+0x200/0x41c [ 213.207031][ T6662] gfs2_fill_super+0xddc/0x1a18 [ 213.207819][ T6662] get_tree_bdev+0x358/0x544 [ 213.208508][ T6662] gfs2_get_tree+0x54/0x1b4 [ 213.209235][ T6662] vfs_get_tree+0x90/0x274 [ 213.209857][ T6662] do_new_mount+0x228/0x810 [ 213.210549][ T6662] path_mount+0x5bc/0x1008 [ 213.211287][ T6662] __arm64_sys_mount+0x514/0x5f0 [ 213.212025][ T6662] invoke_syscall+0x98/0x2b0 [ 213.212874][ T6662] el0_svc_common+0x138/0x258 [ 213.213588][ T6662] do_el0_svc+0x58/0x13c [ 213.214179][ T6662] el0_svc+0x78/0x1d0 [ 213.214772][ T6662] el0t_64_sync_handler+0xcc/0xe4 [ 213.215587][ T6662] el0t_64_sync+0x1a0/0x1a4 [ 213.217982][ T6662] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.219873][ T6662] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.471189][ T6665] loop1: detected capacity change from 0 to 32768 [ 213.521723][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.523082][ T6665] CPU: 1 PID: 6665 Comm: syz.1.589 Not tainted syzkaller #0 [ 213.524218][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 213.525905][ T6665] Call trace: [ 213.526459][ T6665] dump_backtrace+0x0/0x458 [ 213.527204][ T6665] show_stack+0x2c/0x3c [ 213.527939][ T6665] __dump_stack+0x30/0x40 [ 213.528653][ T6665] dump_stack_lvl+0xf4/0x15c [ 213.529448][ T6665] dump_stack+0x1c/0x5c [ 213.530185][ T6665] sysfs_create_dir_ns+0x244/0x264 [ 213.530997][ T6665] kobject_add_internal+0x5ac/0xc3c [ 213.531838][ T6665] kobject_init_and_add+0x124/0x190 [ 213.532705][ T6665] gfs2_sys_fs_add+0x200/0x41c [ 213.533466][ T6665] gfs2_fill_super+0xddc/0x1a18 [ 213.534261][ T6665] get_tree_bdev+0x358/0x544 [ 213.535078][ T6665] gfs2_get_tree+0x54/0x1b4 [ 213.535829][ T6665] vfs_get_tree+0x90/0x274 [ 213.536614][ T6665] do_new_mount+0x228/0x810 [ 213.537450][ T6665] path_mount+0x5bc/0x1008 [ 213.538179][ T6665] __arm64_sys_mount+0x514/0x5f0 [ 213.539036][ T6665] invoke_syscall+0x98/0x2b0 [ 213.539871][ T6665] el0_svc_common+0x138/0x258 [ 213.540697][ T6665] do_el0_svc+0x58/0x13c [ 213.541472][ T6665] el0_svc+0x78/0x1d0 [ 213.542156][ T6665] el0t_64_sync_handler+0xcc/0xe4 [ 213.543026][ T6665] el0t_64_sync+0x1a0/0x1a4 [ 213.545504][ T6665] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.547460][ T6665] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.686890][ T6668] loop1: detected capacity change from 0 to 32768 [ 213.735496][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.736801][ T6668] CPU: 1 PID: 6668 Comm: syz.1.590 Not tainted syzkaller #0 [ 213.737992][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 213.739694][ T6668] Call trace: [ 213.740231][ T6668] dump_backtrace+0x0/0x458 [ 213.740962][ T6668] show_stack+0x2c/0x3c [ 213.741672][ T6668] __dump_stack+0x30/0x40 [ 213.742401][ T6668] dump_stack_lvl+0xf4/0x15c [ 213.743162][ T6668] dump_stack+0x1c/0x5c [ 213.743836][ T6668] sysfs_create_dir_ns+0x244/0x264 [ 213.744694][ T6668] kobject_add_internal+0x5ac/0xc3c [ 213.745604][ T6668] kobject_init_and_add+0x124/0x190 [ 213.746391][ T6668] gfs2_sys_fs_add+0x200/0x41c [ 213.747078][ T6668] gfs2_fill_super+0xddc/0x1a18 [ 213.747946][ T6668] get_tree_bdev+0x358/0x544 [ 213.748753][ T6668] gfs2_get_tree+0x54/0x1b4 [ 213.749491][ T6668] vfs_get_tree+0x90/0x274 [ 213.750339][ T6668] do_new_mount+0x228/0x810 [ 213.751130][ T6668] path_mount+0x5bc/0x1008 [ 213.751856][ T6668] __arm64_sys_mount+0x514/0x5f0 [ 213.752681][ T6668] invoke_syscall+0x98/0x2b0 [ 213.753464][ T6668] el0_svc_common+0x138/0x258 [ 213.754162][ T6668] do_el0_svc+0x58/0x13c [ 213.754891][ T6668] el0_svc+0x78/0x1d0 [ 213.755584][ T6668] el0t_64_sync_handler+0xcc/0xe4 [ 213.756436][ T6668] el0t_64_sync+0x1a0/0x1a4 [ 213.758023][ T6668] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.760221][ T6668] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.899775][ T6671] loop1: detected capacity change from 0 to 32768 [ 213.907476][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.908620][ T6671] CPU: 0 PID: 6671 Comm: syz.1.591 Not tainted syzkaller #0 [ 213.909802][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 213.911404][ T6671] Call trace: [ 213.911902][ T6671] dump_backtrace+0x0/0x458 [ 213.912580][ T6671] show_stack+0x2c/0x3c [ 213.913231][ T6671] __dump_stack+0x30/0x40 [ 213.913856][ T6671] dump_stack_lvl+0xf4/0x15c [ 213.914519][ T6671] dump_stack+0x1c/0x5c [ 213.915279][ T6671] sysfs_create_dir_ns+0x244/0x264 [ 213.916198][ T6671] kobject_add_internal+0x5ac/0xc3c [ 213.917075][ T6671] kobject_init_and_add+0x124/0x190 [ 213.917935][ T6671] gfs2_sys_fs_add+0x200/0x41c [ 213.918797][ T6671] gfs2_fill_super+0xddc/0x1a18 [ 213.919633][ T6671] get_tree_bdev+0x358/0x544 [ 213.920456][ T6671] gfs2_get_tree+0x54/0x1b4 [ 213.921226][ T6671] vfs_get_tree+0x90/0x274 [ 213.921935][ T6671] do_new_mount+0x228/0x810 [ 213.922756][ T6671] path_mount+0x5bc/0x1008 [ 213.923524][ T6671] __arm64_sys_mount+0x514/0x5f0 [ 213.924379][ T6671] invoke_syscall+0x98/0x2b0 [ 213.925132][ T6671] el0_svc_common+0x138/0x258 [ 213.925887][ T6671] do_el0_svc+0x58/0x13c [ 213.926559][ T6671] el0_svc+0x78/0x1d0 [ 213.927208][ T6671] el0t_64_sync_handler+0xcc/0xe4 [ 213.928053][ T6671] el0t_64_sync+0x1a0/0x1a4 [ 213.930531][ T6671] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.932566][ T6671] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.065810][ T6674] loop1: detected capacity change from 0 to 32768 [ 214.105680][ T6674] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.107059][ T6674] CPU: 1 PID: 6674 Comm: syz.1.592 Not tainted syzkaller #0 [ 214.108270][ T6674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 214.109944][ T6674] Call trace: [ 214.110460][ T6674] dump_backtrace+0x0/0x458 [ 214.111233][ T6674] show_stack+0x2c/0x3c [ 214.111918][ T6674] __dump_stack+0x30/0x40 [ 214.112629][ T6674] dump_stack_lvl+0xf4/0x15c [ 214.113387][ T6674] dump_stack+0x1c/0x5c [ 214.114079][ T6674] sysfs_create_dir_ns+0x244/0x264 [ 214.114898][ T6674] kobject_add_internal+0x5ac/0xc3c [ 214.115756][ T6674] kobject_init_and_add+0x124/0x190 [ 214.116587][ T6674] gfs2_sys_fs_add+0x200/0x41c [ 214.117295][ T6674] gfs2_fill_super+0xddc/0x1a18 [ 214.118058][ T6674] get_tree_bdev+0x358/0x544 [ 214.118797][ T6674] gfs2_get_tree+0x54/0x1b4 [ 214.119555][ T6674] vfs_get_tree+0x90/0x274 [ 214.120313][ T6674] do_new_mount+0x228/0x810 [ 214.121061][ T6674] path_mount+0x5bc/0x1008 [ 214.121782][ T6674] __arm64_sys_mount+0x514/0x5f0 [ 214.122535][ T6674] invoke_syscall+0x98/0x2b0 [ 214.123278][ T6674] el0_svc_common+0x138/0x258 [ 214.123985][ T6674] do_el0_svc+0x58/0x13c [ 214.124745][ T6674] el0_svc+0x78/0x1d0 [ 214.125412][ T6674] el0t_64_sync_handler+0xcc/0xe4 [ 214.126358][ T6674] el0t_64_sync+0x1a0/0x1a4 [ 214.127440][ T6674] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.129653][ T6674] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.266170][ T6677] loop1: detected capacity change from 0 to 32768 [ 214.325523][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.326816][ T6677] CPU: 1 PID: 6677 Comm: syz.1.593 Not tainted syzkaller #0 [ 214.327862][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 214.329558][ T6677] Call trace: [ 214.330044][ T6677] dump_backtrace+0x0/0x458 [ 214.330728][ T6677] show_stack+0x2c/0x3c [ 214.331362][ T6677] __dump_stack+0x30/0x40 [ 214.331987][ T6677] dump_stack_lvl+0xf4/0x15c [ 214.332707][ T6677] dump_stack+0x1c/0x5c [ 214.333285][ T6677] sysfs_create_dir_ns+0x244/0x264 [ 214.334004][ T6677] kobject_add_internal+0x5ac/0xc3c [ 214.334841][ T6677] kobject_init_and_add+0x124/0x190 [ 214.335772][ T6677] gfs2_sys_fs_add+0x200/0x41c [ 214.336588][ T6677] gfs2_fill_super+0xddc/0x1a18 [ 214.337400][ T6677] get_tree_bdev+0x358/0x544 [ 214.338230][ T6677] gfs2_get_tree+0x54/0x1b4 [ 214.339049][ T6677] vfs_get_tree+0x90/0x274 [ 214.339790][ T6677] do_new_mount+0x228/0x810 [ 214.340545][ T6677] path_mount+0x5bc/0x1008 [ 214.341306][ T6677] __arm64_sys_mount+0x514/0x5f0 [ 214.342136][ T6677] invoke_syscall+0x98/0x2b0 [ 214.342911][ T6677] el0_svc_common+0x138/0x258 [ 214.343638][ T6677] do_el0_svc+0x58/0x13c [ 214.344456][ T6677] el0_svc+0x78/0x1d0 [ 214.345119][ T6677] el0t_64_sync_handler+0xcc/0xe4 [ 214.345990][ T6677] el0t_64_sync+0x1a0/0x1a4 [ 214.347071][ T6677] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.349160][ T6677] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.565786][ T6680] loop1: detected capacity change from 0 to 32768 [ 214.620068][ T6680] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.621358][ T6680] CPU: 1 PID: 6680 Comm: syz.1.594 Not tainted syzkaller #0 [ 214.622556][ T6680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 214.624170][ T6680] Call trace: [ 214.624652][ T6680] dump_backtrace+0x0/0x458 [ 214.625395][ T6680] show_stack+0x2c/0x3c [ 214.626073][ T6680] __dump_stack+0x30/0x40 [ 214.626786][ T6680] dump_stack_lvl+0xf4/0x15c [ 214.627515][ T6680] dump_stack+0x1c/0x5c [ 214.628197][ T6680] sysfs_create_dir_ns+0x244/0x264 [ 214.629125][ T6680] kobject_add_internal+0x5ac/0xc3c [ 214.630016][ T6680] kobject_init_and_add+0x124/0x190 [ 214.630793][ T6680] gfs2_sys_fs_add+0x200/0x41c [ 214.631487][ T6680] gfs2_fill_super+0xddc/0x1a18 [ 214.632303][ T6680] get_tree_bdev+0x358/0x544 [ 214.633084][ T6680] gfs2_get_tree+0x54/0x1b4 [ 214.633856][ T6680] vfs_get_tree+0x90/0x274 [ 214.634596][ T6680] do_new_mount+0x228/0x810 [ 214.635377][ T6680] path_mount+0x5bc/0x1008 [ 214.636074][ T6680] __arm64_sys_mount+0x514/0x5f0 [ 214.636921][ T6680] invoke_syscall+0x98/0x2b0 [ 214.637681][ T6680] el0_svc_common+0x138/0x258 [ 214.638490][ T6680] do_el0_svc+0x58/0x13c [ 214.639193][ T6680] el0_svc+0x78/0x1d0 [ 214.639902][ T6680] el0t_64_sync_handler+0xcc/0xe4 [ 214.640753][ T6680] el0t_64_sync+0x1a0/0x1a4 [ 214.641731][ T6680] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.643760][ T6680] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.795919][ T6683] loop1: detected capacity change from 0 to 32768 [ 214.803259][ T6683] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.804499][ T6683] CPU: 1 PID: 6683 Comm: syz.1.595 Not tainted syzkaller #0 [ 214.805793][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 214.807438][ T6683] Call trace: [ 214.807971][ T6683] dump_backtrace+0x0/0x458 [ 214.808742][ T6683] show_stack+0x2c/0x3c [ 214.809407][ T6683] __dump_stack+0x30/0x40 [ 214.810085][ T6683] dump_stack_lvl+0xf4/0x15c [ 214.810824][ T6683] dump_stack+0x1c/0x5c [ 214.811530][ T6683] sysfs_create_dir_ns+0x244/0x264 [ 214.812335][ T6683] kobject_add_internal+0x5ac/0xc3c [ 214.813206][ T6683] kobject_init_and_add+0x124/0x190 [ 214.814030][ T6683] gfs2_sys_fs_add+0x200/0x41c [ 214.814783][ T6683] gfs2_fill_super+0xddc/0x1a18 [ 214.815549][ T6683] get_tree_bdev+0x358/0x544 [ 214.816311][ T6683] gfs2_get_tree+0x54/0x1b4 [ 214.816978][ T6683] vfs_get_tree+0x90/0x274 [ 214.817643][ T6683] do_new_mount+0x228/0x810 [ 214.818257][ T6683] path_mount+0x5bc/0x1008 [ 214.818864][ T6683] __arm64_sys_mount+0x514/0x5f0 [ 214.819595][ T6683] invoke_syscall+0x98/0x2b0 [ 214.820243][ T6683] el0_svc_common+0x138/0x258 [ 214.820897][ T6683] do_el0_svc+0x58/0x13c [ 214.821499][ T6683] el0_svc+0x78/0x1d0 [ 214.822085][ T6683] el0t_64_sync_handler+0xcc/0xe4 [ 214.822787][ T6683] el0t_64_sync+0x1a0/0x1a4 [ 214.823598][ T6683] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.825595][ T6683] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.962012][ T6686] loop1: detected capacity change from 0 to 32768 [ 214.995902][ T6686] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.997114][ T6686] CPU: 1 PID: 6686 Comm: syz.1.596 Not tainted syzkaller #0 [ 214.998248][ T6686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 214.999855][ T6686] Call trace: [ 215.000367][ T6686] dump_backtrace+0x0/0x458 [ 215.001075][ T6686] show_stack+0x2c/0x3c [ 215.001727][ T6686] __dump_stack+0x30/0x40 [ 215.002522][ T6686] dump_stack_lvl+0xf4/0x15c [ 215.003289][ T6686] dump_stack+0x1c/0x5c [ 215.003996][ T6686] sysfs_create_dir_ns+0x244/0x264 [ 215.004788][ T6686] kobject_add_internal+0x5ac/0xc3c [ 215.005710][ T6686] kobject_init_and_add+0x124/0x190 [ 215.006584][ T6686] gfs2_sys_fs_add+0x200/0x41c [ 215.007373][ T6686] gfs2_fill_super+0xddc/0x1a18 [ 215.008179][ T6686] get_tree_bdev+0x358/0x544 [ 215.008928][ T6686] gfs2_get_tree+0x54/0x1b4 [ 215.009691][ T6686] vfs_get_tree+0x90/0x274 [ 215.010379][ T6686] do_new_mount+0x228/0x810 [ 215.011075][ T6686] path_mount+0x5bc/0x1008 [ 215.011757][ T6686] __arm64_sys_mount+0x514/0x5f0 [ 215.012567][ T6686] invoke_syscall+0x98/0x2b0 [ 215.013265][ T6686] el0_svc_common+0x138/0x258 [ 215.014016][ T6686] do_el0_svc+0x58/0x13c [ 215.014720][ T6686] el0_svc+0x78/0x1d0 [ 215.015351][ T6686] el0t_64_sync_handler+0xcc/0xe4 [ 215.016170][ T6686] el0t_64_sync+0x1a0/0x1a4 [ 215.017120][ T6686] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.019293][ T6686] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.054987][ T4882] Bluetooth: hci1: command 0x0406 tx timeout [ 215.205264][ T6689] loop1: detected capacity change from 0 to 32768 [ 215.255392][ T6689] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.256542][ T6689] CPU: 0 PID: 6689 Comm: syz.1.597 Not tainted syzkaller #0 [ 215.257617][ T6689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.259084][ T6689] Call trace: [ 215.259558][ T6689] dump_backtrace+0x0/0x458 [ 215.260222][ T6689] show_stack+0x2c/0x3c [ 215.260838][ T6689] __dump_stack+0x30/0x40 [ 215.261481][ T6689] dump_stack_lvl+0xf4/0x15c [ 215.262184][ T6689] dump_stack+0x1c/0x5c [ 215.262801][ T6689] sysfs_create_dir_ns+0x244/0x264 [ 215.263571][ T6689] kobject_add_internal+0x5ac/0xc3c [ 215.264364][ T6689] kobject_init_and_add+0x124/0x190 [ 215.265124][ T6689] gfs2_sys_fs_add+0x200/0x41c [ 215.265832][ T6689] gfs2_fill_super+0xddc/0x1a18 [ 215.266543][ T6689] get_tree_bdev+0x358/0x544 [ 215.267216][ T6689] gfs2_get_tree+0x54/0x1b4 [ 215.267869][ T6689] vfs_get_tree+0x90/0x274 [ 215.268505][ T6689] do_new_mount+0x228/0x810 [ 215.269165][ T6689] path_mount+0x5bc/0x1008 [ 215.269862][ T6689] __arm64_sys_mount+0x514/0x5f0 [ 215.270582][ T6689] invoke_syscall+0x98/0x2b0 [ 215.271239][ T6689] el0_svc_common+0x138/0x258 [ 215.271919][ T6689] do_el0_svc+0x58/0x13c [ 215.272584][ T6689] el0_svc+0x78/0x1d0 [ 215.273252][ T6689] el0t_64_sync_handler+0xcc/0xe4 [ 215.274123][ T6689] el0t_64_sync+0x1a0/0x1a4 [ 215.275385][ T6689] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.277410][ T6689] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.465462][ T6692] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.466683][ T6692] CPU: 0 PID: 6692 Comm: syz.1.598 Not tainted syzkaller #0 [ 215.467902][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.469488][ T6692] Call trace: [ 215.469995][ T6692] dump_backtrace+0x0/0x458 [ 215.470717][ T6692] show_stack+0x2c/0x3c [ 215.471392][ T6692] __dump_stack+0x30/0x40 [ 215.472122][ T6692] dump_stack_lvl+0xf4/0x15c [ 215.472865][ T6692] dump_stack+0x1c/0x5c [ 215.473580][ T6692] sysfs_create_dir_ns+0x244/0x264 [ 215.474369][ T6692] kobject_add_internal+0x5ac/0xc3c [ 215.475180][ T6692] kobject_init_and_add+0x124/0x190 [ 215.476037][ T6692] gfs2_sys_fs_add+0x200/0x41c [ 215.476787][ T6692] gfs2_fill_super+0xddc/0x1a18 [ 215.477608][ T6692] get_tree_bdev+0x358/0x544 [ 215.478401][ T6692] gfs2_get_tree+0x54/0x1b4 [ 215.479147][ T6692] vfs_get_tree+0x90/0x274 [ 215.479899][ T6692] do_new_mount+0x228/0x810 [ 215.480643][ T6692] path_mount+0x5bc/0x1008 [ 215.481399][ T6692] __arm64_sys_mount+0x514/0x5f0 [ 215.482237][ T6692] invoke_syscall+0x98/0x2b0 [ 215.482991][ T6692] el0_svc_common+0x138/0x258 [ 215.483733][ T6692] do_el0_svc+0x58/0x13c [ 215.484454][ T6692] el0_svc+0x78/0x1d0 [ 215.485138][ T6692] el0t_64_sync_handler+0xcc/0xe4 [ 215.485949][ T6692] el0t_64_sync+0x1a0/0x1a4 [ 215.488503][ T6692] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.490754][ T6692] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.639912][ T6695] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.641219][ T6695] CPU: 0 PID: 6695 Comm: syz.1.599 Not tainted syzkaller #0 [ 215.642353][ T6695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.644006][ T6695] Call trace: [ 215.644498][ T6695] dump_backtrace+0x0/0x458 [ 215.645264][ T6695] show_stack+0x2c/0x3c [ 215.645964][ T6695] __dump_stack+0x30/0x40 [ 215.646716][ T6695] dump_stack_lvl+0xf4/0x15c [ 215.647473][ T6695] dump_stack+0x1c/0x5c [ 215.648144][ T6695] sysfs_create_dir_ns+0x244/0x264 [ 215.648962][ T6695] kobject_add_internal+0x5ac/0xc3c [ 215.649777][ T6695] kobject_init_and_add+0x124/0x190 [ 215.650574][ T6695] gfs2_sys_fs_add+0x200/0x41c [ 215.651323][ T6695] gfs2_fill_super+0xddc/0x1a18 [ 215.652124][ T6695] get_tree_bdev+0x358/0x544 [ 215.652963][ T6695] gfs2_get_tree+0x54/0x1b4 [ 215.653708][ T6695] vfs_get_tree+0x90/0x274 [ 215.654447][ T6695] do_new_mount+0x228/0x810 [ 215.655157][ T6695] path_mount+0x5bc/0x1008 [ 215.655912][ T6695] __arm64_sys_mount+0x514/0x5f0 [ 215.656692][ T6695] invoke_syscall+0x98/0x2b0 [ 215.657468][ T6695] el0_svc_common+0x138/0x258 [ 215.658238][ T6695] do_el0_svc+0x58/0x13c [ 215.658978][ T6695] el0_svc+0x78/0x1d0 [ 215.659648][ T6695] el0t_64_sync_handler+0xcc/0xe4 [ 215.660425][ T6695] el0t_64_sync+0x1a0/0x1a4 [ 215.662142][ T6695] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.664198][ T6695] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.808656][ T6698] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.809936][ T6698] CPU: 1 PID: 6698 Comm: syz.1.600 Not tainted syzkaller #0 [ 215.811082][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.812685][ T6698] Call trace: [ 215.813157][ T6698] dump_backtrace+0x0/0x458 [ 215.813834][ T6698] show_stack+0x2c/0x3c [ 215.814449][ T6698] __dump_stack+0x30/0x40 [ 215.815136][ T6698] dump_stack_lvl+0xf4/0x15c [ 215.815888][ T6698] dump_stack+0x1c/0x5c [ 215.816594][ T6698] sysfs_create_dir_ns+0x244/0x264 [ 215.817397][ T6698] kobject_add_internal+0x5ac/0xc3c [ 215.818230][ T6698] kobject_init_and_add+0x124/0x190 [ 215.819054][ T6698] gfs2_sys_fs_add+0x200/0x41c [ 215.819817][ T6698] gfs2_fill_super+0xddc/0x1a18 [ 215.820628][ T6698] get_tree_bdev+0x358/0x544 [ 215.821431][ T6698] gfs2_get_tree+0x54/0x1b4 [ 215.822180][ T6698] vfs_get_tree+0x90/0x274 [ 215.822939][ T6698] do_new_mount+0x228/0x810 [ 215.823670][ T6698] path_mount+0x5bc/0x1008 [ 215.824387][ T6698] __arm64_sys_mount+0x514/0x5f0 [ 215.825188][ T6698] invoke_syscall+0x98/0x2b0 [ 215.825917][ T6698] el0_svc_common+0x138/0x258 [ 215.826714][ T6698] do_el0_svc+0x58/0x13c [ 215.827458][ T6698] el0_svc+0x78/0x1d0 [ 215.828153][ T6698] el0t_64_sync_handler+0xcc/0xe4 [ 215.828958][ T6698] el0t_64_sync+0x1a0/0x1a4 [ 215.830999][ T6698] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.833076][ T6698] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.975522][ T6701] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.977165][ T6701] CPU: 0 PID: 6701 Comm: syz.1.601 Not tainted syzkaller #0 [ 215.978259][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.979840][ T6701] Call trace: [ 215.980339][ T6701] dump_backtrace+0x0/0x458 [ 215.981072][ T6701] show_stack+0x2c/0x3c [ 215.981671][ T6701] __dump_stack+0x30/0x40 [ 215.982294][ T6701] dump_stack_lvl+0xf4/0x15c [ 215.982988][ T6701] dump_stack+0x1c/0x5c [ 215.983617][ T6701] sysfs_create_dir_ns+0x244/0x264 [ 215.984367][ T6701] kobject_add_internal+0x5ac/0xc3c [ 215.985214][ T6701] kobject_init_and_add+0x124/0x190 [ 215.986083][ T6701] gfs2_sys_fs_add+0x200/0x41c [ 215.986839][ T6701] gfs2_fill_super+0xddc/0x1a18 [ 215.987671][ T6701] get_tree_bdev+0x358/0x544 [ 215.988413][ T6701] gfs2_get_tree+0x54/0x1b4 [ 215.989114][ T6701] vfs_get_tree+0x90/0x274 [ 215.989775][ T6701] do_new_mount+0x228/0x810 [ 215.990460][ T6701] path_mount+0x5bc/0x1008 [ 215.991172][ T6701] __arm64_sys_mount+0x514/0x5f0 [ 215.991947][ T6701] invoke_syscall+0x98/0x2b0 [ 215.992647][ T6701] el0_svc_common+0x138/0x258 [ 215.993363][ T6701] do_el0_svc+0x58/0x13c [ 215.994010][ T6701] el0_svc+0x78/0x1d0 [ 215.994624][ T6701] el0t_64_sync_handler+0xcc/0xe4 [ 215.995394][ T6701] el0t_64_sync+0x1a0/0x1a4 [ 215.997751][ T6701] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.999651][ T6701] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.170963][ T6704] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.172252][ T6704] CPU: 0 PID: 6704 Comm: syz.1.602 Not tainted syzkaller #0 [ 216.173343][ T6704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 216.174892][ T6704] Call trace: [ 216.175415][ T6704] dump_backtrace+0x0/0x458 [ 216.176116][ T6704] show_stack+0x2c/0x3c [ 216.176743][ T6704] __dump_stack+0x30/0x40 [ 216.177398][ T6704] dump_stack_lvl+0xf4/0x15c [ 216.178133][ T6704] dump_stack+0x1c/0x5c [ 216.178780][ T6704] sysfs_create_dir_ns+0x244/0x264 [ 216.179564][ T6704] kobject_add_internal+0x5ac/0xc3c [ 216.180358][ T6704] kobject_init_and_add+0x124/0x190 [ 216.181169][ T6704] gfs2_sys_fs_add+0x200/0x41c [ 216.181954][ T6704] gfs2_fill_super+0xddc/0x1a18 [ 216.182741][ T6704] get_tree_bdev+0x358/0x544 [ 216.183535][ T6704] gfs2_get_tree+0x54/0x1b4 [ 216.184284][ T6704] vfs_get_tree+0x90/0x274 [ 216.185032][ T6704] do_new_mount+0x228/0x810 [ 216.185816][ T6704] path_mount+0x5bc/0x1008 [ 216.186527][ T6704] __arm64_sys_mount+0x514/0x5f0 [ 216.187284][ T6704] invoke_syscall+0x98/0x2b0 [ 216.188014][ T6704] el0_svc_common+0x138/0x258 [ 216.188788][ T6704] do_el0_svc+0x58/0x13c [ 216.189450][ T6704] el0_svc+0x78/0x1d0 [ 216.190119][ T6704] el0t_64_sync_handler+0xcc/0xe4 [ 216.190956][ T6704] el0t_64_sync+0x1a0/0x1a4 [ 216.193571][ T6704] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.197039][ T6704] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.420842][ T6707] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.421999][ T6707] CPU: 1 PID: 6707 Comm: syz.1.603 Not tainted syzkaller #0 [ 216.423026][ T6707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 216.424541][ T6707] Call trace: [ 216.425041][ T6707] dump_backtrace+0x0/0x458 [ 216.425744][ T6707] show_stack+0x2c/0x3c [ 216.426336][ T6707] __dump_stack+0x30/0x40 [ 216.426984][ T6707] dump_stack_lvl+0xf4/0x15c [ 216.427701][ T6707] dump_stack+0x1c/0x5c [ 216.428314][ T6707] sysfs_create_dir_ns+0x244/0x264 [ 216.429101][ T6707] kobject_add_internal+0x5ac/0xc3c [ 216.429951][ T6707] kobject_init_and_add+0x124/0x190 [ 216.430801][ T6707] gfs2_sys_fs_add+0x200/0x41c [ 216.431535][ T6707] gfs2_fill_super+0xddc/0x1a18 [ 216.432270][ T6707] get_tree_bdev+0x358/0x544 [ 216.432964][ T6707] gfs2_get_tree+0x54/0x1b4 [ 216.433645][ T6707] vfs_get_tree+0x90/0x274 [ 216.434308][ T6707] do_new_mount+0x228/0x810 [ 216.435062][ T6707] path_mount+0x5bc/0x1008 [ 216.435819][ T6707] __arm64_sys_mount+0x514/0x5f0 [ 216.436617][ T6707] invoke_syscall+0x98/0x2b0 [ 216.437377][ T6707] el0_svc_common+0x138/0x258 [ 216.438148][ T6707] do_el0_svc+0x58/0x13c [ 216.438840][ T6707] el0_svc+0x78/0x1d0 [ 216.439490][ T6707] el0t_64_sync_handler+0xcc/0xe4 [ 216.440289][ T6707] el0t_64_sync+0x1a0/0x1a4 [ 216.441851][ T6707] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.443827][ T6707] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.588635][ T6710] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.589994][ T6710] CPU: 0 PID: 6710 Comm: syz.1.604 Not tainted syzkaller #0 [ 216.591222][ T6710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 216.592974][ T6710] Call trace: [ 216.593534][ T6710] dump_backtrace+0x0/0x458 [ 216.594304][ T6710] show_stack+0x2c/0x3c [ 216.594982][ T6710] __dump_stack+0x30/0x40 [ 216.595694][ T6710] dump_stack_lvl+0xf4/0x15c [ 216.596426][ T6710] dump_stack+0x1c/0x5c [ 216.597039][ T6710] sysfs_create_dir_ns+0x244/0x264 [ 216.597830][ T6710] kobject_add_internal+0x5ac/0xc3c [ 216.598644][ T6710] kobject_init_and_add+0x124/0x190 [ 216.599482][ T6710] gfs2_sys_fs_add+0x200/0x41c [ 216.600233][ T6710] gfs2_fill_super+0xddc/0x1a18 [ 216.601063][ T6710] get_tree_bdev+0x358/0x544 [ 216.601756][ T6710] gfs2_get_tree+0x54/0x1b4 [ 216.602501][ T6710] vfs_get_tree+0x90/0x274 [ 216.603158][ T6710] do_new_mount+0x228/0x810 [ 216.603932][ T6710] path_mount+0x5bc/0x1008 [ 216.604568][ T6710] __arm64_sys_mount+0x514/0x5f0 [ 216.605281][ T6710] invoke_syscall+0x98/0x2b0 [ 216.605917][ T6710] el0_svc_common+0x138/0x258 [ 216.606578][ T6710] do_el0_svc+0x58/0x13c [ 216.607213][ T6710] el0_svc+0x78/0x1d0 [ 216.607824][ T6710] el0t_64_sync_handler+0xcc/0xe4 [ 216.608608][ T6710] el0t_64_sync+0x1a0/0x1a4 [ 216.609636][ T6710] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.611744][ T6710] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.878772][ T6713] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.879975][ T6713] CPU: 1 PID: 6713 Comm: syz.1.605 Not tainted syzkaller #0 [ 216.881156][ T6713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 216.882509][ T6713] Call trace: [ 216.882996][ T6713] dump_backtrace+0x0/0x458 [ 216.883677][ T6713] show_stack+0x2c/0x3c [ 216.884279][ T6713] __dump_stack+0x30/0x40 [ 216.884947][ T6713] dump_stack_lvl+0xf4/0x15c [ 216.885667][ T6713] dump_stack+0x1c/0x5c [ 216.886291][ T6713] sysfs_create_dir_ns+0x244/0x264 [ 216.887068][ T6713] kobject_add_internal+0x5ac/0xc3c [ 216.887851][ T6713] kobject_init_and_add+0x124/0x190 [ 216.888641][ T6713] gfs2_sys_fs_add+0x200/0x41c [ 216.889364][ T6713] gfs2_fill_super+0xddc/0x1a18 [ 216.890079][ T6713] get_tree_bdev+0x358/0x544 [ 216.890787][ T6713] gfs2_get_tree+0x54/0x1b4 [ 216.891457][ T6713] vfs_get_tree+0x90/0x274 [ 216.892076][ T6713] do_new_mount+0x228/0x810 [ 216.892832][ T6713] path_mount+0x5bc/0x1008 [ 216.893551][ T6713] __arm64_sys_mount+0x514/0x5f0 [ 216.894317][ T6713] invoke_syscall+0x98/0x2b0 [ 216.895062][ T6713] el0_svc_common+0x138/0x258 [ 216.895833][ T6713] do_el0_svc+0x58/0x13c [ 216.896534][ T6713] el0_svc+0x78/0x1d0 [ 216.897197][ T6713] el0t_64_sync_handler+0xcc/0xe4 [ 216.898005][ T6713] el0t_64_sync+0x1a0/0x1a4 [ 216.899898][ T6713] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.901857][ T6713] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.126063][ T6716] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.127212][ T6716] CPU: 1 PID: 6716 Comm: syz.1.606 Not tainted syzkaller #0 [ 217.128326][ T6716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.129906][ T6716] Call trace: [ 217.130430][ T6716] dump_backtrace+0x0/0x458 [ 217.131164][ T6716] show_stack+0x2c/0x3c [ 217.131822][ T6716] __dump_stack+0x30/0x40 [ 217.132496][ T6716] dump_stack_lvl+0xf4/0x15c [ 217.133211][ T6716] dump_stack+0x1c/0x5c [ 217.133866][ T6716] sysfs_create_dir_ns+0x244/0x264 [ 217.134647][ T6716] kobject_add_internal+0x5ac/0xc3c [ 217.135442][ T6716] kobject_init_and_add+0x124/0x190 [ 217.136212][ T6716] gfs2_sys_fs_add+0x200/0x41c [ 217.136962][ T6716] gfs2_fill_super+0xddc/0x1a18 [ 217.137752][ T6716] get_tree_bdev+0x358/0x544 [ 217.138470][ T6716] gfs2_get_tree+0x54/0x1b4 [ 217.139170][ T6716] vfs_get_tree+0x90/0x274 [ 217.139878][ T6716] do_new_mount+0x228/0x810 [ 217.140592][ T6716] path_mount+0x5bc/0x1008 [ 217.141297][ T6716] __arm64_sys_mount+0x514/0x5f0 [ 217.142100][ T6716] invoke_syscall+0x98/0x2b0 [ 217.142875][ T6716] el0_svc_common+0x138/0x258 [ 217.143612][ T6716] do_el0_svc+0x58/0x13c [ 217.144297][ T6716] el0_svc+0x78/0x1d0 [ 217.144944][ T6716] el0t_64_sync_handler+0xcc/0xe4 [ 217.145726][ T6716] el0t_64_sync+0x1a0/0x1a4 [ 217.151064][ T6716] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.153032][ T6716] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.297759][ T6719] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.299025][ T6719] CPU: 1 PID: 6719 Comm: syz.1.607 Not tainted syzkaller #0 [ 217.300154][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.301776][ T6719] Call trace: [ 217.302303][ T6719] dump_backtrace+0x0/0x458 [ 217.303004][ T6719] show_stack+0x2c/0x3c [ 217.303688][ T6719] __dump_stack+0x30/0x40 [ 217.304378][ T6719] dump_stack_lvl+0xf4/0x15c [ 217.305128][ T6719] dump_stack+0x1c/0x5c [ 217.305814][ T6719] sysfs_create_dir_ns+0x244/0x264 [ 217.306627][ T6719] kobject_add_internal+0x5ac/0xc3c [ 217.307451][ T6719] kobject_init_and_add+0x124/0x190 [ 217.308264][ T6719] gfs2_sys_fs_add+0x200/0x41c [ 217.309002][ T6719] gfs2_fill_super+0xddc/0x1a18 [ 217.309749][ T6719] get_tree_bdev+0x358/0x544 [ 217.310461][ T6719] gfs2_get_tree+0x54/0x1b4 [ 217.311146][ T6719] vfs_get_tree+0x90/0x274 [ 217.311812][ T6719] do_new_mount+0x228/0x810 [ 217.312523][ T6719] path_mount+0x5bc/0x1008 [ 217.313238][ T6719] __arm64_sys_mount+0x514/0x5f0 [ 217.314022][ T6719] invoke_syscall+0x98/0x2b0 [ 217.314724][ T6719] el0_svc_common+0x138/0x258 [ 217.315440][ T6719] do_el0_svc+0x58/0x13c [ 217.316112][ T6719] el0_svc+0x78/0x1d0 [ 217.316777][ T6719] el0t_64_sync_handler+0xcc/0xe4 [ 217.317591][ T6719] el0t_64_sync+0x1a0/0x1a4 [ 217.320233][ T6719] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.322331][ T6719] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.595358][ T6722] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.596651][ T6722] CPU: 1 PID: 6722 Comm: syz.1.608 Not tainted syzkaller #0 [ 217.597947][ T6722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.599652][ T6722] Call trace: [ 217.600155][ T6722] dump_backtrace+0x0/0x458 [ 217.600868][ T6722] show_stack+0x2c/0x3c [ 217.601504][ T6722] __dump_stack+0x30/0x40 [ 217.602132][ T6722] dump_stack_lvl+0xf4/0x15c [ 217.602806][ T6722] dump_stack+0x1c/0x5c [ 217.603410][ T6722] sysfs_create_dir_ns+0x244/0x264 [ 217.604149][ T6722] kobject_add_internal+0x5ac/0xc3c [ 217.604904][ T6722] kobject_init_and_add+0x124/0x190 [ 217.605675][ T6722] gfs2_sys_fs_add+0x200/0x41c [ 217.606393][ T6722] gfs2_fill_super+0xddc/0x1a18 [ 217.607116][ T6722] get_tree_bdev+0x358/0x544 [ 217.607795][ T6722] gfs2_get_tree+0x54/0x1b4 [ 217.608518][ T6722] vfs_get_tree+0x90/0x274 [ 217.609201][ T6722] do_new_mount+0x228/0x810 [ 217.609892][ T6722] path_mount+0x5bc/0x1008 [ 217.610568][ T6722] __arm64_sys_mount+0x514/0x5f0 [ 217.611329][ T6722] invoke_syscall+0x98/0x2b0 [ 217.612037][ T6722] el0_svc_common+0x138/0x258 [ 217.612779][ T6722] do_el0_svc+0x58/0x13c [ 217.613401][ T6722] el0_svc+0x78/0x1d0 [ 217.614028][ T6722] el0t_64_sync_handler+0xcc/0xe4 [ 217.614793][ T6722] el0t_64_sync+0x1a0/0x1a4 [ 217.616405][ T6722] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.618386][ T6722] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.801410][ T6725] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.802591][ T6725] CPU: 1 PID: 6725 Comm: syz.1.609 Not tainted syzkaller #0 [ 217.803673][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.805354][ T6725] Call trace: [ 217.805914][ T6725] dump_backtrace+0x0/0x458 [ 217.806657][ T6725] show_stack+0x2c/0x3c [ 217.807330][ T6725] __dump_stack+0x30/0x40 [ 217.808075][ T6725] dump_stack_lvl+0xf4/0x15c [ 217.808805][ T6725] dump_stack+0x1c/0x5c [ 217.809435][ T6725] sysfs_create_dir_ns+0x244/0x264 [ 217.810191][ T6725] kobject_add_internal+0x5ac/0xc3c [ 217.810949][ T6725] kobject_init_and_add+0x124/0x190 [ 217.811713][ T6725] gfs2_sys_fs_add+0x200/0x41c 1970/01/01 00:03:37 executed programs: 596 [ 217.812404][ T6725] gfs2_fill_super+0xddc/0x1a18 [ 217.813109][ T6725] get_tree_bdev+0x358/0x544 [ 217.813749][ T6725] gfs2_get_tree+0x54/0x1b4 [ 217.814388][ T6725] vfs_get_tree+0x90/0x274 [ 217.815038][ T6725] do_new_mount+0x228/0x810 [ 217.815691][ T6725] path_mount+0x5bc/0x1008 [ 217.816438][ T6725] __arm64_sys_mount+0x514/0x5f0 [ 217.817279][ T6725] invoke_syscall+0x98/0x2b0 [ 217.818034][ T6725] el0_svc_common+0x138/0x258 [ 217.818813][ T6725] do_el0_svc+0x58/0x13c [ 217.819528][ T6725] el0_svc+0x78/0x1d0 [ 217.820232][ T6725] el0t_64_sync_handler+0xcc/0xe4 [ 217.821066][ T6725] el0t_64_sync+0x1a0/0x1a4 [ 217.823451][ T6725] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.826848][ T6725] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.969609][ T6728] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.970813][ T6728] CPU: 0 PID: 6728 Comm: syz.1.610 Not tainted syzkaller #0 [ 217.971889][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.973255][ T6728] Call trace: [ 217.973702][ T6728] dump_backtrace+0x0/0x458 [ 217.974315][ T6728] show_stack+0x2c/0x3c [ 217.974898][ T6728] __dump_stack+0x30/0x40 [ 217.975515][ T6728] dump_stack_lvl+0xf4/0x15c [ 217.976183][ T6728] dump_stack+0x1c/0x5c [ 217.976881][ T6728] sysfs_create_dir_ns+0x244/0x264 [ 217.977766][ T6728] kobject_add_internal+0x5ac/0xc3c [ 217.978665][ T6728] kobject_init_and_add+0x124/0x190 [ 217.979483][ T6728] gfs2_sys_fs_add+0x200/0x41c [ 217.980260][ T6728] gfs2_fill_super+0xddc/0x1a18 [ 217.981074][ T6728] get_tree_bdev+0x358/0x544 [ 217.981844][ T6728] gfs2_get_tree+0x54/0x1b4 [ 217.982548][ T6728] vfs_get_tree+0x90/0x274 [ 217.983236][ T6728] do_new_mount+0x228/0x810 [ 217.984004][ T6728] path_mount+0x5bc/0x1008 [ 217.984769][ T6728] __arm64_sys_mount+0x514/0x5f0 [ 217.985579][ T6728] invoke_syscall+0x98/0x2b0 [ 217.986331][ T6728] el0_svc_common+0x138/0x258 [ 217.987133][ T6728] do_el0_svc+0x58/0x13c [ 217.987809][ T6728] el0_svc+0x78/0x1d0 [ 217.988430][ T6728] el0t_64_sync_handler+0xcc/0xe4 [ 217.989224][ T6728] el0t_64_sync+0x1a0/0x1a4 [ 217.990694][ T6728] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.992699][ T6728] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.133325][ T6731] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.134553][ T6731] CPU: 0 PID: 6731 Comm: syz.1.611 Not tainted syzkaller #0 [ 218.135780][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.137477][ T6731] Call trace: [ 218.138063][ T6731] dump_backtrace+0x0/0x458 [ 218.138834][ T6731] show_stack+0x2c/0x3c [ 218.139518][ T6731] __dump_stack+0x30/0x40 [ 218.140223][ T6731] dump_stack_lvl+0xf4/0x15c [ 218.140939][ T6731] dump_stack+0x1c/0x5c [ 218.141594][ T6731] sysfs_create_dir_ns+0x244/0x264 [ 218.142374][ T6731] kobject_add_internal+0x5ac/0xc3c [ 218.143173][ T6731] kobject_init_and_add+0x124/0x190 [ 218.143970][ T6731] gfs2_sys_fs_add+0x200/0x41c [ 218.144710][ T6731] gfs2_fill_super+0xddc/0x1a18 [ 218.145451][ T6731] get_tree_bdev+0x358/0x544 [ 218.146164][ T6731] gfs2_get_tree+0x54/0x1b4 [ 218.146928][ T6731] vfs_get_tree+0x90/0x274 [ 218.147686][ T6731] do_new_mount+0x228/0x810 [ 218.148441][ T6731] path_mount+0x5bc/0x1008 [ 218.149145][ T6731] __arm64_sys_mount+0x514/0x5f0 [ 218.149960][ T6731] invoke_syscall+0x98/0x2b0 [ 218.150723][ T6731] el0_svc_common+0x138/0x258 [ 218.151445][ T6731] do_el0_svc+0x58/0x13c [ 218.152119][ T6731] el0_svc+0x78/0x1d0 [ 218.152787][ T6731] el0t_64_sync_handler+0xcc/0xe4 [ 218.153633][ T6731] el0t_64_sync+0x1a0/0x1a4 [ 218.157163][ T6731] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.159155][ T6731] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.297465][ T6734] set_capacity_and_notify: 14 callbacks suppressed [ 218.297477][ T6734] loop1: detected capacity change from 0 to 32768 [ 218.306545][ T6734] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.307769][ T6734] CPU: 1 PID: 6734 Comm: syz.1.612 Not tainted syzkaller #0 [ 218.308936][ T6734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.310409][ T6734] Call trace: [ 218.310895][ T6734] dump_backtrace+0x0/0x458 [ 218.311602][ T6734] show_stack+0x2c/0x3c [ 218.312261][ T6734] __dump_stack+0x30/0x40 [ 218.312955][ T6734] dump_stack_lvl+0xf4/0x15c [ 218.313612][ T6734] dump_stack+0x1c/0x5c [ 218.314208][ T6734] sysfs_create_dir_ns+0x244/0x264 [ 218.315070][ T6734] kobject_add_internal+0x5ac/0xc3c [ 218.315935][ T6734] kobject_init_and_add+0x124/0x190 [ 218.316797][ T6734] gfs2_sys_fs_add+0x200/0x41c [ 218.317597][ T6734] gfs2_fill_super+0xddc/0x1a18 [ 218.318367][ T6734] get_tree_bdev+0x358/0x544 [ 218.319113][ T6734] gfs2_get_tree+0x54/0x1b4 [ 218.319858][ T6734] vfs_get_tree+0x90/0x274 [ 218.320576][ T6734] do_new_mount+0x228/0x810 [ 218.321308][ T6734] path_mount+0x5bc/0x1008 [ 218.322010][ T6734] __arm64_sys_mount+0x514/0x5f0 [ 218.322796][ T6734] invoke_syscall+0x98/0x2b0 [ 218.323525][ T6734] el0_svc_common+0x138/0x258 [ 218.324286][ T6734] do_el0_svc+0x58/0x13c [ 218.324994][ T6734] el0_svc+0x78/0x1d0 [ 218.325615][ T6734] el0t_64_sync_handler+0xcc/0xe4 [ 218.326401][ T6734] el0t_64_sync+0x1a0/0x1a4 [ 218.329966][ T6734] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.332269][ T6734] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.473195][ T6737] loop1: detected capacity change from 0 to 32768 [ 218.480685][ T6737] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.481824][ T6737] CPU: 0 PID: 6737 Comm: syz.1.613 Not tainted syzkaller #0 [ 218.482986][ T6737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.484499][ T6737] Call trace: [ 218.484996][ T6737] dump_backtrace+0x0/0x458 [ 218.485717][ T6737] show_stack+0x2c/0x3c [ 218.486343][ T6737] __dump_stack+0x30/0x40 [ 218.487020][ T6737] dump_stack_lvl+0xf4/0x15c [ 218.487739][ T6737] dump_stack+0x1c/0x5c [ 218.488390][ T6737] sysfs_create_dir_ns+0x244/0x264 [ 218.489204][ T6737] kobject_add_internal+0x5ac/0xc3c [ 218.490018][ T6737] kobject_init_and_add+0x124/0x190 [ 218.490815][ T6737] gfs2_sys_fs_add+0x200/0x41c [ 218.491567][ T6737] gfs2_fill_super+0xddc/0x1a18 [ 218.492384][ T6737] get_tree_bdev+0x358/0x544 [ 218.493136][ T6737] gfs2_get_tree+0x54/0x1b4 [ 218.493849][ T6737] vfs_get_tree+0x90/0x274 [ 218.494549][ T6737] do_new_mount+0x228/0x810 [ 218.495268][ T6737] path_mount+0x5bc/0x1008 [ 218.495977][ T6737] __arm64_sys_mount+0x514/0x5f0 [ 218.496787][ T6737] invoke_syscall+0x98/0x2b0 [ 218.497516][ T6737] el0_svc_common+0x138/0x258 [ 218.498308][ T6737] do_el0_svc+0x58/0x13c [ 218.499010][ T6737] el0_svc+0x78/0x1d0 [ 218.499643][ T6737] el0t_64_sync_handler+0xcc/0xe4 [ 218.500441][ T6737] el0t_64_sync+0x1a0/0x1a4 [ 218.502544][ T6737] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.504370][ T6737] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.635953][ T6740] loop1: detected capacity change from 0 to 32768 [ 218.709538][ T6740] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.710714][ T6740] CPU: 1 PID: 6740 Comm: syz.1.614 Not tainted syzkaller #0 [ 218.711872][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.713402][ T6740] Call trace: [ 218.713977][ T6740] dump_backtrace+0x0/0x458 [ 218.714657][ T6740] show_stack+0x2c/0x3c [ 218.715282][ T6740] __dump_stack+0x30/0x40 [ 218.715972][ T6740] dump_stack_lvl+0xf4/0x15c [ 218.716726][ T6740] dump_stack+0x1c/0x5c [ 218.717402][ T6740] sysfs_create_dir_ns+0x244/0x264 [ 218.718238][ T6740] kobject_add_internal+0x5ac/0xc3c [ 218.719085][ T6740] kobject_init_and_add+0x124/0x190 [ 218.719898][ T6740] gfs2_sys_fs_add+0x200/0x41c [ 218.720748][ T6740] gfs2_fill_super+0xddc/0x1a18 [ 218.721490][ T6740] get_tree_bdev+0x358/0x544 [ 218.722228][ T6740] gfs2_get_tree+0x54/0x1b4 [ 218.722973][ T6740] vfs_get_tree+0x90/0x274 [ 218.723681][ T6740] do_new_mount+0x228/0x810 [ 218.724395][ T6740] path_mount+0x5bc/0x1008 [ 218.725095][ T6740] __arm64_sys_mount+0x514/0x5f0 [ 218.725864][ T6740] invoke_syscall+0x98/0x2b0 [ 218.726625][ T6740] el0_svc_common+0x138/0x258 [ 218.727415][ T6740] do_el0_svc+0x58/0x13c [ 218.728135][ T6740] el0_svc+0x78/0x1d0 [ 218.728760][ T6740] el0t_64_sync_handler+0xcc/0xe4 [ 218.729531][ T6740] el0t_64_sync+0x1a0/0x1a4 [ 218.731751][ T6740] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.733696][ T6740] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.871815][ T6743] loop1: detected capacity change from 0 to 32768 [ 218.879176][ T6743] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.880290][ T6743] CPU: 0 PID: 6743 Comm: syz.1.615 Not tainted syzkaller #0 [ 218.881414][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.883039][ T6743] Call trace: [ 218.883544][ T6743] dump_backtrace+0x0/0x458 [ 218.884245][ T6743] show_stack+0x2c/0x3c [ 218.884911][ T6743] __dump_stack+0x30/0x40 [ 218.885491][ T6743] dump_stack_lvl+0xf4/0x15c [ 218.886224][ T6743] dump_stack+0x1c/0x5c [ 218.886879][ T6743] sysfs_create_dir_ns+0x244/0x264 [ 218.887721][ T6743] kobject_add_internal+0x5ac/0xc3c [ 218.888516][ T6743] kobject_init_and_add+0x124/0x190 [ 218.889326][ T6743] gfs2_sys_fs_add+0x200/0x41c [ 218.890066][ T6743] gfs2_fill_super+0xddc/0x1a18 [ 218.890854][ T6743] get_tree_bdev+0x358/0x544 [ 218.891621][ T6743] gfs2_get_tree+0x54/0x1b4 [ 218.892338][ T6743] vfs_get_tree+0x90/0x274 [ 218.893076][ T6743] do_new_mount+0x228/0x810 [ 218.893782][ T6743] path_mount+0x5bc/0x1008 [ 218.894489][ T6743] __arm64_sys_mount+0x514/0x5f0 [ 218.895251][ T6743] invoke_syscall+0x98/0x2b0 [ 218.895972][ T6743] el0_svc_common+0x138/0x258 [ 218.896751][ T6743] do_el0_svc+0x58/0x13c [ 218.897423][ T6743] el0_svc+0x78/0x1d0 [ 218.898039][ T6743] el0t_64_sync_handler+0xcc/0xe4 [ 218.898844][ T6743] el0t_64_sync+0x1a0/0x1a4 [ 218.901407][ T6743] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.903438][ T6743] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.036676][ T6746] loop1: detected capacity change from 0 to 32768 [ 219.085424][ T6746] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.086721][ T6746] CPU: 0 PID: 6746 Comm: syz.1.616 Not tainted syzkaller #0 [ 219.087886][ T6746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 219.089560][ T6746] Call trace: [ 219.090124][ T6746] dump_backtrace+0x0/0x458 [ 219.090845][ T6746] show_stack+0x2c/0x3c [ 219.091493][ T6746] __dump_stack+0x30/0x40 [ 219.092200][ T6746] dump_stack_lvl+0xf4/0x15c [ 219.092918][ T6746] dump_stack+0x1c/0x5c [ 219.093605][ T6746] sysfs_create_dir_ns+0x244/0x264 [ 219.094414][ T6746] kobject_add_internal+0x5ac/0xc3c [ 219.095296][ T6746] kobject_init_and_add+0x124/0x190 [ 219.096123][ T6746] gfs2_sys_fs_add+0x200/0x41c [ 219.096903][ T6746] gfs2_fill_super+0xddc/0x1a18 [ 219.097690][ T6746] get_tree_bdev+0x358/0x544 [ 219.098439][ T6746] gfs2_get_tree+0x54/0x1b4 [ 219.099138][ T6746] vfs_get_tree+0x90/0x274 [ 219.099819][ T6746] do_new_mount+0x228/0x810 [ 219.100523][ T6746] path_mount+0x5bc/0x1008 [ 219.101201][ T6746] __arm64_sys_mount+0x514/0x5f0 [ 219.102054][ T6746] invoke_syscall+0x98/0x2b0 [ 219.102841][ T6746] el0_svc_common+0x138/0x258 [ 219.103624][ T6746] do_el0_svc+0x58/0x13c [ 219.104342][ T6746] el0_svc+0x78/0x1d0 [ 219.105004][ T6746] el0t_64_sync_handler+0xcc/0xe4 [ 219.105801][ T6746] el0t_64_sync+0x1a0/0x1a4 [ 219.106777][ T6746] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.108852][ T6746] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.241023][ T6749] loop1: detected capacity change from 0 to 32768 [ 219.319365][ T6749] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 219.320508][ T6749] CPU: 0 PID: 6749 Comm: syz.1.617 Not tainted syzkaller #0 [ 219.321616][ T6749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 219.323136][ T6749] Call trace: [ 219.323641][ T6749] dump_backtrace+0x0/0x458 [ 219.324380][ T6749] show_stack+0x2c/0x3c [ 219.325053][ T6749] __dump_stack+0x30/0x40 [ 219.325769][ T6749] dump_stack_lvl+0xf4/0x15c [ 219.326513][ T6749] dump_stack+0x1c/0x5c [ 219.327190][ T6749] sysfs_create_dir_ns+0x244/0x264 [ 219.328060][ T6749] kobject_add_internal+0x5ac/0xc3c [ 219.328882][ T6749] kobject_init_and_add+0x124/0x190 [ 219.329743][ T6749] gfs2_sys_fs_add+0x200/0x41c [ 219.330539][ T6749] gfs2_fill_super+0xddc/0x1a18 [ 219.331357][ T6749] get_tree_bdev+0x358/0x544 [ 219.332133][ T6749] gfs2_get_tree+0x54/0x1b4 [ 219.332890][ T6749] vfs_get_tree+0x90/0x274 [ 219.333631][ T6749] do_new_mount+0x228/0x810 [ 219.334364][ T6749] path_mount+0x5bc/0x1008 [ 219.335111][ T6749] __arm64_sys_mount+0x514/0x5f0 [ 219.335895][ T6749] invoke_syscall+0x98/0x2b0 [ 219.336628][ T6749] el0_svc_common+0x138/0x258 [ 219.337372][ T6749] do_el0_svc+0x58/0x13c [ 219.338047][ T6749] el0_svc+0x78/0x1d0 [ 219.338688][ T6749] el0t_64_sync_handler+0xcc/0xe4 [ 219.339459][ T6749] el0t_64_sync+0x1a0/0x1a4 [ 219.341618][ T6749] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.343600][ T6749] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 219.422805][ T6752] chnl_net:caif_netlink_parms(): no params data found [ 219.443480][ T6752] bridge0: port 1(bridge_slave_0) entered blocking state [ 219.444688][ T6752] bridge0: port 1(bridge_slave_0) entered disabled state [ 219.447509][ T6752] device bridge_slave_0 entered promiscuous mode [ 219.449646][ T6752] bridge0: port 2(bridge_slave_1) entered blocking state [ 219.450755][ T6752] bridge0: port 2(bridge_slave_1) entered disabled state [ 219.452165][ T6752] device bridge_slave_1 entered promiscuous mode [ 219.461432][ T6752] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 219.464048][ T6752] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 219.473145][ T6752] team0: Port device team_slave_0 added [ 219.475164][ T6752] team0: Port device team_slave_1 added [ 219.482360][ T6752] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 219.483566][ T6752] 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. [ 219.488219][ T6752] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 219.490533][ T6752] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 219.491582][ T6752] 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. [ 219.495812][ T6752] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 219.566814][ T6752] device hsr_slave_0 entered promiscuous mode [ 219.595022][ T6752] device hsr_slave_1 entered promiscuous mode [ 219.634848][ T6752] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 219.636036][ T6752] Cannot create hsr debugfs directory [ 219.677254][ T6752] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.147303][ T6752] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.193417][ T6752] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.248427][ T6752] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 220.409015][ T6752] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 220.443044][ T6752] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 220.478996][ T6752] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 220.528965][ T6752] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 220.593245][ T6752] 8021q: adding VLAN 0 to HW filter on device bond0 [ 220.598229][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 220.599894][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 220.602573][ T6752] 8021q: adding VLAN 0 to HW filter on device team0 [ 220.606376][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 220.608007][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 220.609451][ T431] bridge0: port 1(bridge_slave_0) entered blocking state [ 220.610577][ T431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 220.611952][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 220.614603][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 220.616699][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 220.618125][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 220.619235][ T431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 220.621909][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 220.624712][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 220.632842][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 220.634608][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 220.637430][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 220.640285][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 220.641984][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 220.645959][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 220.647515][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 220.650414][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 220.651953][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 220.654848][ T6752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 220.696781][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 220.698114][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 220.705695][ T6752] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 220.713240][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 220.715430][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 220.721955][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 220.723444][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 220.725807][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 220.727219][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 220.729606][ T6752] device veth0_vlan entered promiscuous mode [ 220.733242][ T6752] device veth1_vlan entered promiscuous mode [ 220.743673][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 220.747925][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 220.749536][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 220.750980][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 220.753650][ T6752] device veth0_macvtap entered promiscuous mode [ 220.756248][ T6752] device veth1_macvtap entered promiscuous mode [ 220.761857][ T6752] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.763518][ T6752] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.765591][ T6752] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.767196][ T6752] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.769330][ T6752] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 220.770681][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 220.772245][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 220.773690][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 220.775948][ T342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 220.778661][ T6752] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.780392][ T6752] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.781836][ T6752] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.783654][ T6752] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.785973][ T6752] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 220.787183][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 220.788829][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 220.796284][ T6752] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 220.797760][ T6752] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 220.799140][ T6752] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 220.800463][ T6752] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 220.825854][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 220.827137][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 220.828396][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 220.838506][ T431] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 220.839697][ T431] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 220.841076][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 220.989259][ T6764] loop1: detected capacity change from 0 to 32768 [ 221.026505][ T6764] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.032230][ T6764] CPU: 1 PID: 6764 Comm: syz.1.618 Not tainted syzkaller #0 [ 221.033365][ T6764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.035144][ T6764] Call trace: [ 221.035686][ T6764] dump_backtrace+0x0/0x458 [ 221.036457][ T6764] show_stack+0x2c/0x3c [ 221.037162][ T6764] __dump_stack+0x30/0x40 [ 221.037855][ T6764] dump_stack_lvl+0xf4/0x15c [ 221.038607][ T6764] dump_stack+0x1c/0x5c [ 221.039280][ T6764] sysfs_create_dir_ns+0x244/0x264 [ 221.040069][ T6764] kobject_add_internal+0x5ac/0xc3c [ 221.040927][ T6764] kobject_init_and_add+0x124/0x190 [ 221.041751][ T6764] gfs2_sys_fs_add+0x200/0x41c [ 221.042533][ T6764] gfs2_fill_super+0xddc/0x1a18 [ 221.043329][ T6764] get_tree_bdev+0x358/0x544 [ 221.044080][ T6764] gfs2_get_tree+0x54/0x1b4 [ 221.044843][ T6764] vfs_get_tree+0x90/0x274 [ 221.045646][ T6764] do_new_mount+0x228/0x810 [ 221.046432][ T6764] path_mount+0x5bc/0x1008 [ 221.047189][ T6764] __arm64_sys_mount+0x514/0x5f0 [ 221.048078][ T6764] invoke_syscall+0x98/0x2b0 [ 221.048848][ T6764] el0_svc_common+0x138/0x258 [ 221.049645][ T6764] do_el0_svc+0x58/0x13c [ 221.050344][ T6764] el0_svc+0x78/0x1d0 [ 221.051019][ T6764] el0t_64_sync_handler+0xcc/0xe4 [ 221.051813][ T6764] el0t_64_sync+0x1a0/0x1a4 [ 221.055121][ T6764] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.057233][ T6764] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.200772][ T6767] loop1: detected capacity change from 0 to 32768 [ 221.245958][ T6767] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.247265][ T6767] CPU: 0 PID: 6767 Comm: syz.1.619 Not tainted syzkaller #0 [ 221.248473][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.250091][ T6767] Call trace: [ 221.250588][ T6767] dump_backtrace+0x0/0x458 [ 221.251352][ T6767] show_stack+0x2c/0x3c [ 221.252037][ T6767] __dump_stack+0x30/0x40 [ 221.252749][ T6767] dump_stack_lvl+0xf4/0x15c [ 221.253491][ T6767] dump_stack+0x1c/0x5c [ 221.254140][ T6767] sysfs_create_dir_ns+0x244/0x264 [ 221.255031][ T6767] kobject_add_internal+0x5ac/0xc3c [ 221.255857][ T6767] kobject_init_and_add+0x124/0x190 [ 221.256711][ T6767] gfs2_sys_fs_add+0x200/0x41c [ 221.257506][ T6767] gfs2_fill_super+0xddc/0x1a18 [ 221.258249][ T6767] get_tree_bdev+0x358/0x544 [ 221.258983][ T6767] gfs2_get_tree+0x54/0x1b4 [ 221.259714][ T6767] vfs_get_tree+0x90/0x274 [ 221.260445][ T6767] do_new_mount+0x228/0x810 [ 221.261171][ T6767] path_mount+0x5bc/0x1008 [ 221.261862][ T6767] __arm64_sys_mount+0x514/0x5f0 [ 221.262614][ T6767] invoke_syscall+0x98/0x2b0 [ 221.263323][ T6767] el0_svc_common+0x138/0x258 [ 221.264016][ T6767] do_el0_svc+0x58/0x13c [ 221.264652][ T6767] el0_svc+0x78/0x1d0 [ 221.265307][ T6767] el0t_64_sync_handler+0xcc/0xe4 [ 221.266088][ T6767] el0t_64_sync+0x1a0/0x1a4 [ 221.268574][ T6767] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.270522][ T6767] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.322369][ T148] device hsr_slave_0 left promiscuous mode [ 221.355310][ T148] device hsr_slave_1 left promiscuous mode [ 221.426294][ T6770] loop1: detected capacity change from 0 to 32768 [ 221.435085][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 221.436387][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 221.437936][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 221.439173][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 221.440569][ T148] device bridge_slave_1 left promiscuous mode [ 221.441575][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 221.455172][ T1540] Bluetooth: hci2: command 0x0409 tx timeout [ 221.481721][ T6770] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.483038][ T6770] CPU: 1 PID: 6770 Comm: syz.1.620 Not tainted syzkaller #0 [ 221.484283][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.485878][ T6770] Call trace: [ 221.486410][ T6770] dump_backtrace+0x0/0x458 [ 221.487183][ T6770] show_stack+0x2c/0x3c [ 221.487889][ T6770] __dump_stack+0x30/0x40 [ 221.488596][ T6770] dump_stack_lvl+0xf4/0x15c [ 221.489346][ T6770] dump_stack+0x1c/0x5c [ 221.490054][ T6770] sysfs_create_dir_ns+0x244/0x264 [ 221.490899][ T6770] kobject_add_internal+0x5ac/0xc3c [ 221.491774][ T6770] kobject_init_and_add+0x124/0x190 [ 221.492586][ T6770] gfs2_sys_fs_add+0x200/0x41c [ 221.493318][ T6770] gfs2_fill_super+0xddc/0x1a18 [ 221.494074][ T6770] get_tree_bdev+0x358/0x544 [ 221.494782][ T6770] gfs2_get_tree+0x54/0x1b4 [ 221.495505][ T6770] vfs_get_tree+0x90/0x274 [ 221.496184][ T6770] do_new_mount+0x228/0x810 [ 221.496951][ T6770] path_mount+0x5bc/0x1008 [ 221.497684][ T6770] __arm64_sys_mount+0x514/0x5f0 [ 221.498555][ T6770] invoke_syscall+0x98/0x2b0 [ 221.499318][ T6770] el0_svc_common+0x138/0x258 [ 221.500138][ T6770] do_el0_svc+0x58/0x13c [ 221.500802][ T6770] el0_svc+0x78/0x1d0 [ 221.501409][ T6770] el0t_64_sync_handler+0xcc/0xe4 [ 221.502215][ T6770] el0t_64_sync+0x1a0/0x1a4 [ 221.503431][ T148] device bridge_slave_0 left promiscuous mode [ 221.504623][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 221.505231][ T6770] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.507859][ T6770] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.595820][ T148] device veth1_macvtap left promiscuous mode [ 221.596799][ T148] device veth0_macvtap left promiscuous mode [ 221.597825][ T148] device veth1_vlan left promiscuous mode [ 221.598832][ T148] device veth0_vlan left promiscuous mode [ 221.645604][ T6773] loop1: detected capacity change from 0 to 32768 [ 221.686269][ T6773] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.687535][ T6773] CPU: 1 PID: 6773 Comm: syz.1.621 Not tainted syzkaller #0 [ 221.688795][ T6773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.690478][ T6773] Call trace: [ 221.690994][ T6773] dump_backtrace+0x0/0x458 [ 221.691717][ T6773] show_stack+0x2c/0x3c [ 221.692379][ T6773] __dump_stack+0x30/0x40 [ 221.693087][ T6773] dump_stack_lvl+0xf4/0x15c [ 221.693797][ T6773] dump_stack+0x1c/0x5c [ 221.694456][ T6773] sysfs_create_dir_ns+0x244/0x264 [ 221.695306][ T6773] kobject_add_internal+0x5ac/0xc3c [ 221.696103][ T6773] kobject_init_and_add+0x124/0x190 [ 221.696984][ T6773] gfs2_sys_fs_add+0x200/0x41c [ 221.697808][ T6773] gfs2_fill_super+0xddc/0x1a18 [ 221.698600][ T6773] get_tree_bdev+0x358/0x544 [ 221.699347][ T6773] gfs2_get_tree+0x54/0x1b4 [ 221.700085][ T6773] vfs_get_tree+0x90/0x274 [ 221.700865][ T6773] do_new_mount+0x228/0x810 [ 221.701618][ T6773] path_mount+0x5bc/0x1008 [ 221.702393][ T6773] __arm64_sys_mount+0x514/0x5f0 [ 221.703190][ T6773] invoke_syscall+0x98/0x2b0 [ 221.703988][ T6773] el0_svc_common+0x138/0x258 [ 221.704782][ T6773] do_el0_svc+0x58/0x13c [ 221.705513][ T6773] el0_svc+0x78/0x1d0 [ 221.706178][ T6773] el0t_64_sync_handler+0xcc/0xe4 [ 221.707067][ T6773] el0t_64_sync+0x1a0/0x1a4 [ 221.714047][ T6773] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.718248][ T6773] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.750945][ T148] team0 (unregistering): Port device team_slave_1 removed [ 221.756785][ T148] team0 (unregistering): Port device team_slave_0 removed [ 221.761112][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 221.805029][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 221.871625][ T6776] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 221.872806][ T6776] CPU: 1 PID: 6776 Comm: syz.1.622 Not tainted syzkaller #0 [ 221.873948][ T6776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.875595][ T6776] Call trace: [ 221.876168][ T6776] dump_backtrace+0x0/0x458 [ 221.876917][ T6776] show_stack+0x2c/0x3c [ 221.877595][ T6776] __dump_stack+0x30/0x40 [ 221.878312][ T6776] dump_stack_lvl+0xf4/0x15c [ 221.879018][ T6776] dump_stack+0x1c/0x5c [ 221.879663][ T6776] sysfs_create_dir_ns+0x244/0x264 [ 221.880482][ T6776] kobject_add_internal+0x5ac/0xc3c [ 221.881355][ T6776] kobject_init_and_add+0x124/0x190 [ 221.882150][ T6776] gfs2_sys_fs_add+0x200/0x41c [ 221.882910][ T6776] gfs2_fill_super+0xddc/0x1a18 [ 221.883681][ T6776] get_tree_bdev+0x358/0x544 [ 221.884403][ T6776] gfs2_get_tree+0x54/0x1b4 [ 221.885102][ T6776] vfs_get_tree+0x90/0x274 [ 221.885878][ T6776] do_new_mount+0x228/0x810 [ 221.886637][ T6776] path_mount+0x5bc/0x1008 [ 221.887313][ T6776] __arm64_sys_mount+0x514/0x5f0 [ 221.888141][ T6776] invoke_syscall+0x98/0x2b0 [ 221.888901][ T6776] el0_svc_common+0x138/0x258 [ 221.889776][ T6776] do_el0_svc+0x58/0x13c [ 221.890483][ T6776] el0_svc+0x78/0x1d0 [ 221.891160][ T6776] el0t_64_sync_handler+0xcc/0xe4 [ 221.892039][ T6776] el0t_64_sync+0x1a0/0x1a4 [ 221.895051][ T6776] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.897137][ T6776] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 221.950506][ T148] bond0 (unregistering): Released all slaves [ 222.109389][ T6779] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.110588][ T6779] CPU: 1 PID: 6779 Comm: syz.1.623 Not tainted syzkaller #0 [ 222.111806][ T6779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.113539][ T6779] Call trace: [ 222.114083][ T6779] dump_backtrace+0x0/0x458 [ 222.114852][ T6779] show_stack+0x2c/0x3c [ 222.115539][ T6779] __dump_stack+0x30/0x40 [ 222.116281][ T6779] dump_stack_lvl+0xf4/0x15c [ 222.117079][ T6779] dump_stack+0x1c/0x5c [ 222.117740][ T6779] sysfs_create_dir_ns+0x244/0x264 [ 222.118644][ T6779] kobject_add_internal+0x5ac/0xc3c [ 222.119534][ T6779] kobject_init_and_add+0x124/0x190 [ 222.120428][ T6779] gfs2_sys_fs_add+0x200/0x41c [ 222.121235][ T6779] gfs2_fill_super+0xddc/0x1a18 [ 222.122060][ T6779] get_tree_bdev+0x358/0x544 [ 222.122838][ T6779] gfs2_get_tree+0x54/0x1b4 [ 222.123601][ T6779] vfs_get_tree+0x90/0x274 [ 222.124293][ T6779] do_new_mount+0x228/0x810 [ 222.125025][ T6779] path_mount+0x5bc/0x1008 [ 222.125716][ T6779] __arm64_sys_mount+0x514/0x5f0 [ 222.126488][ T6779] invoke_syscall+0x98/0x2b0 [ 222.127159][ T6779] el0_svc_common+0x138/0x258 [ 222.127834][ T6779] do_el0_svc+0x58/0x13c [ 222.128482][ T6779] el0_svc+0x78/0x1d0 [ 222.129078][ T6779] el0t_64_sync_handler+0xcc/0xe4 [ 222.129822][ T6779] el0t_64_sync+0x1a0/0x1a4 [ 222.132263][ T6779] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.134295][ T6779] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.325686][ T6782] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.326962][ T6782] CPU: 1 PID: 6782 Comm: syz.1.624 Not tainted syzkaller #0 [ 222.328135][ T6782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.329710][ T6782] Call trace: [ 222.330218][ T6782] dump_backtrace+0x0/0x458 [ 222.330901][ T6782] show_stack+0x2c/0x3c [ 222.331534][ T6782] __dump_stack+0x30/0x40 [ 222.332194][ T6782] dump_stack_lvl+0xf4/0x15c [ 222.332897][ T6782] dump_stack+0x1c/0x5c [ 222.333551][ T6782] sysfs_create_dir_ns+0x244/0x264 [ 222.334374][ T6782] kobject_add_internal+0x5ac/0xc3c [ 222.335236][ T6782] kobject_init_and_add+0x124/0x190 [ 222.336143][ T6782] gfs2_sys_fs_add+0x200/0x41c [ 222.336990][ T6782] gfs2_fill_super+0xddc/0x1a18 [ 222.337807][ T6782] get_tree_bdev+0x358/0x544 [ 222.338591][ T6782] gfs2_get_tree+0x54/0x1b4 [ 222.339335][ T6782] vfs_get_tree+0x90/0x274 [ 222.340093][ T6782] do_new_mount+0x228/0x810 [ 222.340846][ T6782] path_mount+0x5bc/0x1008 [ 222.341529][ T6782] __arm64_sys_mount+0x514/0x5f0 [ 222.342352][ T6782] invoke_syscall+0x98/0x2b0 [ 222.343125][ T6782] el0_svc_common+0x138/0x258 [ 222.343851][ T6782] do_el0_svc+0x58/0x13c [ 222.344536][ T6782] el0_svc+0x78/0x1d0 [ 222.345159][ T6782] el0t_64_sync_handler+0xcc/0xe4 [ 222.345947][ T6782] el0t_64_sync+0x1a0/0x1a4 [ 222.349487][ T6782] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.351634][ T6782] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.581712][ T6785] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.582967][ T6785] CPU: 0 PID: 6785 Comm: syz.1.625 Not tainted syzkaller #0 [ 222.584056][ T6785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.585805][ T6785] Call trace: [ 222.586389][ T6785] dump_backtrace+0x0/0x458 [ 222.587158][ T6785] show_stack+0x2c/0x3c [ 222.587831][ T6785] __dump_stack+0x30/0x40 [ 222.588610][ T6785] dump_stack_lvl+0xf4/0x15c [ 222.589352][ T6785] dump_stack+0x1c/0x5c [ 222.589997][ T6785] sysfs_create_dir_ns+0x244/0x264 [ 222.590828][ T6785] kobject_add_internal+0x5ac/0xc3c [ 222.591651][ T6785] kobject_init_and_add+0x124/0x190 [ 222.592530][ T6785] gfs2_sys_fs_add+0x200/0x41c [ 222.593334][ T6785] gfs2_fill_super+0xddc/0x1a18 [ 222.594084][ T6785] get_tree_bdev+0x358/0x544 [ 222.594802][ T6785] gfs2_get_tree+0x54/0x1b4 [ 222.595507][ T6785] vfs_get_tree+0x90/0x274 [ 222.596204][ T6785] do_new_mount+0x228/0x810 [ 222.596945][ T6785] path_mount+0x5bc/0x1008 [ 222.597628][ T6785] __arm64_sys_mount+0x514/0x5f0 [ 222.598435][ T6785] invoke_syscall+0x98/0x2b0 [ 222.599293][ T6785] el0_svc_common+0x138/0x258 [ 222.600053][ T6785] do_el0_svc+0x58/0x13c [ 222.600791][ T6785] el0_svc+0x78/0x1d0 [ 222.601459][ T6785] el0t_64_sync_handler+0xcc/0xe4 [ 222.602291][ T6785] el0t_64_sync+0x1a0/0x1a4 [ 222.603178][ T6785] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.608949][ T6785] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 222.801443][ T6788] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 222.802803][ T6788] CPU: 1 PID: 6788 Comm: syz.1.626 Not tainted syzkaller #0 [ 222.803948][ T6788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.805622][ T6788] Call trace: [ 222.806130][ T6788] dump_backtrace+0x0/0x458 [ 222.806944][ T6788] show_stack+0x2c/0x3c [ 222.807650][ T6788] __dump_stack+0x30/0x40 [ 222.808318][ T6788] dump_stack_lvl+0xf4/0x15c [ 222.809121][ T6788] dump_stack+0x1c/0x5c [ 222.809813][ T6788] sysfs_create_dir_ns+0x244/0x264 [ 222.810719][ T6788] kobject_add_internal+0x5ac/0xc3c [ 222.811620][ T6788] kobject_init_and_add+0x124/0x190 [ 222.812595][ T6788] gfs2_sys_fs_add+0x200/0x41c [ 222.813395][ T6788] gfs2_fill_super+0xddc/0x1a18 [ 222.814251][ T6788] get_tree_bdev+0x358/0x544 [ 222.815031][ T6788] gfs2_get_tree+0x54/0x1b4 [ 222.815748][ T6788] vfs_get_tree+0x90/0x274 [ 222.816514][ T6788] do_new_mount+0x228/0x810 [ 222.817327][ T6788] path_mount+0x5bc/0x1008 [ 222.818102][ T6788] __arm64_sys_mount+0x514/0x5f0 [ 222.818943][ T6788] invoke_syscall+0x98/0x2b0 [ 222.819716][ T6788] el0_svc_common+0x138/0x258 [ 222.820564][ T6788] do_el0_svc+0x58/0x13c [ 222.821350][ T6788] el0_svc+0x78/0x1d0 [ 222.822060][ T6788] el0t_64_sync_handler+0xcc/0xe4 [ 222.823032][ T6788] el0t_64_sync+0x1a0/0x1a4 [ 222.826271][ T6788] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.828332][ T6788] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.005418][ T6791] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.006678][ T6791] CPU: 0 PID: 6791 Comm: syz.1.627 Not tainted syzkaller #0 [ 223.007921][ T6791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.009482][ T6791] Call trace: [ 223.010028][ T6791] dump_backtrace+0x0/0x458 [ 223.010731][ T6791] show_stack+0x2c/0x3c [ 223.011422][ T6791] __dump_stack+0x30/0x40 [ 223.012137][ T6791] dump_stack_lvl+0xf4/0x15c [ 223.012885][ T6791] dump_stack+0x1c/0x5c [ 223.013584][ T6791] sysfs_create_dir_ns+0x244/0x264 [ 223.014501][ T6791] kobject_add_internal+0x5ac/0xc3c [ 223.015380][ T6791] kobject_init_and_add+0x124/0x190 [ 223.016225][ T6791] gfs2_sys_fs_add+0x200/0x41c [ 223.017081][ T6791] gfs2_fill_super+0xddc/0x1a18 [ 223.017914][ T6791] get_tree_bdev+0x358/0x544 [ 223.018680][ T6791] gfs2_get_tree+0x54/0x1b4 [ 223.019434][ T6791] vfs_get_tree+0x90/0x274 [ 223.020183][ T6791] do_new_mount+0x228/0x810 [ 223.020903][ T6791] path_mount+0x5bc/0x1008 [ 223.021645][ T6791] __arm64_sys_mount+0x514/0x5f0 [ 223.022499][ T6791] invoke_syscall+0x98/0x2b0 [ 223.023288][ T6791] el0_svc_common+0x138/0x258 [ 223.024083][ T6791] do_el0_svc+0x58/0x13c [ 223.024765][ T6791] el0_svc+0x78/0x1d0 [ 223.025419][ T6791] el0t_64_sync_handler+0xcc/0xe4 [ 223.026275][ T6791] el0t_64_sync+0x1a0/0x1a4 [ 223.034829][ T6791] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.036956][ T6791] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:43 executed programs: 614 [ 223.261936][ T6794] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.263142][ T6794] CPU: 0 PID: 6794 Comm: syz.1.628 Not tainted syzkaller #0 [ 223.264418][ T6794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.266005][ T6794] Call trace: [ 223.266540][ T6794] dump_backtrace+0x0/0x458 [ 223.267288][ T6794] show_stack+0x2c/0x3c [ 223.267997][ T6794] __dump_stack+0x30/0x40 [ 223.268630][ T6794] dump_stack_lvl+0xf4/0x15c [ 223.269429][ T6794] dump_stack+0x1c/0x5c [ 223.270144][ T6794] sysfs_create_dir_ns+0x244/0x264 [ 223.270941][ T6794] kobject_add_internal+0x5ac/0xc3c [ 223.271771][ T6794] kobject_init_and_add+0x124/0x190 [ 223.272625][ T6794] gfs2_sys_fs_add+0x200/0x41c [ 223.273407][ T6794] gfs2_fill_super+0xddc/0x1a18 [ 223.274217][ T6794] get_tree_bdev+0x358/0x544 [ 223.274931][ T6794] gfs2_get_tree+0x54/0x1b4 [ 223.275671][ T6794] vfs_get_tree+0x90/0x274 [ 223.276421][ T6794] do_new_mount+0x228/0x810 [ 223.277119][ T6794] path_mount+0x5bc/0x1008 [ 223.277934][ T6794] __arm64_sys_mount+0x514/0x5f0 [ 223.278700][ T6794] invoke_syscall+0x98/0x2b0 [ 223.279390][ T6794] el0_svc_common+0x138/0x258 [ 223.280126][ T6794] do_el0_svc+0x58/0x13c [ 223.280877][ T6794] el0_svc+0x78/0x1d0 [ 223.281505][ T6794] el0t_64_sync_handler+0xcc/0xe4 [ 223.282268][ T6794] el0t_64_sync+0x1a0/0x1a4 [ 223.285865][ T6794] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.288085][ T6794] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.466977][ T6797] set_capacity_and_notify: 7 callbacks suppressed [ 223.466987][ T6797] loop1: detected capacity change from 0 to 32768 [ 223.471630][ T6797] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.472967][ T6797] CPU: 0 PID: 6797 Comm: syz.1.629 Not tainted syzkaller #0 [ 223.474169][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.475726][ T6797] Call trace: [ 223.476224][ T6797] dump_backtrace+0x0/0x458 [ 223.476974][ T6797] show_stack+0x2c/0x3c [ 223.477632][ T6797] __dump_stack+0x30/0x40 [ 223.478272][ T6797] dump_stack_lvl+0xf4/0x15c [ 223.478957][ T6797] dump_stack+0x1c/0x5c [ 223.479584][ T6797] sysfs_create_dir_ns+0x244/0x264 [ 223.480438][ T6797] kobject_add_internal+0x5ac/0xc3c [ 223.481256][ T6797] kobject_init_and_add+0x124/0x190 [ 223.482238][ T6797] gfs2_sys_fs_add+0x200/0x41c [ 223.483098][ T6797] gfs2_fill_super+0xddc/0x1a18 [ 223.483871][ T6797] get_tree_bdev+0x358/0x544 [ 223.484634][ T6797] gfs2_get_tree+0x54/0x1b4 [ 223.485402][ T6797] vfs_get_tree+0x90/0x274 [ 223.486194][ T6797] do_new_mount+0x228/0x810 [ 223.486935][ T6797] path_mount+0x5bc/0x1008 [ 223.487655][ T6797] __arm64_sys_mount+0x514/0x5f0 [ 223.488447][ T6797] invoke_syscall+0x98/0x2b0 [ 223.489179][ T6797] el0_svc_common+0x138/0x258 [ 223.489887][ T6797] do_el0_svc+0x58/0x13c [ 223.490578][ T6797] el0_svc+0x78/0x1d0 [ 223.491238][ T6797] el0t_64_sync_handler+0xcc/0xe4 [ 223.492141][ T6797] el0t_64_sync+0x1a0/0x1a4 [ 223.494217][ T6797] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.496873][ T6797] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.534788][ T4885] Bluetooth: hci2: command 0x041b tx timeout [ 223.756112][ T6800] loop1: detected capacity change from 0 to 32768 [ 223.811447][ T6800] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.812716][ T6800] CPU: 0 PID: 6800 Comm: syz.1.630 Not tainted syzkaller #0 [ 223.813927][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.815646][ T6800] Call trace: [ 223.816219][ T6800] dump_backtrace+0x0/0x458 [ 223.816964][ T6800] show_stack+0x2c/0x3c [ 223.817606][ T6800] __dump_stack+0x30/0x40 [ 223.818260][ T6800] dump_stack_lvl+0xf4/0x15c [ 223.819014][ T6800] dump_stack+0x1c/0x5c [ 223.819689][ T6800] sysfs_create_dir_ns+0x244/0x264 [ 223.820578][ T6800] kobject_add_internal+0x5ac/0xc3c [ 223.821467][ T6800] kobject_init_and_add+0x124/0x190 [ 223.822436][ T6800] gfs2_sys_fs_add+0x200/0x41c [ 223.823217][ T6800] gfs2_fill_super+0xddc/0x1a18 [ 223.823971][ T6800] get_tree_bdev+0x358/0x544 [ 223.824665][ T6800] gfs2_get_tree+0x54/0x1b4 [ 223.825404][ T6800] vfs_get_tree+0x90/0x274 [ 223.826157][ T6800] do_new_mount+0x228/0x810 [ 223.827008][ T6800] path_mount+0x5bc/0x1008 [ 223.827785][ T6800] __arm64_sys_mount+0x514/0x5f0 [ 223.828597][ T6800] invoke_syscall+0x98/0x2b0 [ 223.829315][ T6800] el0_svc_common+0x138/0x258 [ 223.830148][ T6800] do_el0_svc+0x58/0x13c [ 223.830855][ T6800] el0_svc+0x78/0x1d0 [ 223.831527][ T6800] el0t_64_sync_handler+0xcc/0xe4 [ 223.832325][ T6800] el0t_64_sync+0x1a0/0x1a4 [ 223.833246][ T6800] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.835468][ T6800] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 223.981651][ T6803] loop1: detected capacity change from 0 to 32768 [ 223.986551][ T6803] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 223.987743][ T6803] CPU: 0 PID: 6803 Comm: syz.1.631 Not tainted syzkaller #0 [ 223.988890][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.990447][ T6803] Call trace: [ 223.990944][ T6803] dump_backtrace+0x0/0x458 [ 223.991673][ T6803] show_stack+0x2c/0x3c [ 223.992470][ T6803] __dump_stack+0x30/0x40 [ 223.993208][ T6803] dump_stack_lvl+0xf4/0x15c [ 223.994035][ T6803] dump_stack+0x1c/0x5c [ 223.994790][ T6803] sysfs_create_dir_ns+0x244/0x264 [ 223.995734][ T6803] kobject_add_internal+0x5ac/0xc3c [ 223.996681][ T6803] kobject_init_and_add+0x124/0x190 [ 223.997575][ T6803] gfs2_sys_fs_add+0x200/0x41c [ 223.998444][ T6803] gfs2_fill_super+0xddc/0x1a18 [ 223.999204][ T6803] get_tree_bdev+0x358/0x544 [ 223.999966][ T6803] gfs2_get_tree+0x54/0x1b4 [ 224.000763][ T6803] vfs_get_tree+0x90/0x274 [ 224.001467][ T6803] do_new_mount+0x228/0x810 [ 224.002208][ T6803] path_mount+0x5bc/0x1008 [ 224.002959][ T6803] __arm64_sys_mount+0x514/0x5f0 [ 224.003787][ T6803] invoke_syscall+0x98/0x2b0 [ 224.004586][ T6803] el0_svc_common+0x138/0x258 [ 224.005298][ T6803] do_el0_svc+0x58/0x13c [ 224.006021][ T6803] el0_svc+0x78/0x1d0 [ 224.006740][ T6803] el0t_64_sync_handler+0xcc/0xe4 [ 224.007593][ T6803] el0t_64_sync+0x1a0/0x1a4 [ 224.009879][ T6803] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.011989][ T6803] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.144649][ T6806] loop1: detected capacity change from 0 to 32768 [ 224.195362][ T6806] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.196709][ T6806] CPU: 1 PID: 6806 Comm: syz.1.632 Not tainted syzkaller #0 [ 224.197867][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.199481][ T6806] Call trace: [ 224.200090][ T6806] dump_backtrace+0x0/0x458 [ 224.200924][ T6806] show_stack+0x2c/0x3c [ 224.201610][ T6806] __dump_stack+0x30/0x40 [ 224.202299][ T6806] dump_stack_lvl+0xf4/0x15c [ 224.202996][ T6806] dump_stack+0x1c/0x5c [ 224.203619][ T6806] sysfs_create_dir_ns+0x244/0x264 [ 224.204530][ T6806] kobject_add_internal+0x5ac/0xc3c [ 224.205345][ T6806] kobject_init_and_add+0x124/0x190 [ 224.206230][ T6806] gfs2_sys_fs_add+0x200/0x41c [ 224.206991][ T6806] gfs2_fill_super+0xddc/0x1a18 [ 224.207776][ T6806] get_tree_bdev+0x358/0x544 [ 224.208559][ T6806] gfs2_get_tree+0x54/0x1b4 [ 224.209375][ T6806] vfs_get_tree+0x90/0x274 [ 224.210162][ T6806] do_new_mount+0x228/0x810 [ 224.210949][ T6806] path_mount+0x5bc/0x1008 [ 224.211688][ T6806] __arm64_sys_mount+0x514/0x5f0 [ 224.212533][ T6806] invoke_syscall+0x98/0x2b0 [ 224.213275][ T6806] el0_svc_common+0x138/0x258 [ 224.214072][ T6806] do_el0_svc+0x58/0x13c [ 224.214793][ T6806] el0_svc+0x78/0x1d0 [ 224.215467][ T6806] el0t_64_sync_handler+0xcc/0xe4 [ 224.216312][ T6806] el0t_64_sync+0x1a0/0x1a4 [ 224.218885][ T6806] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.221032][ T6806] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.361046][ T6809] loop1: detected capacity change from 0 to 32768 [ 224.405382][ T6809] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.406813][ T6809] CPU: 1 PID: 6809 Comm: syz.1.633 Not tainted syzkaller #0 [ 224.407941][ T6809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.409637][ T6809] Call trace: [ 224.410222][ T6809] dump_backtrace+0x0/0x458 [ 224.410986][ T6809] show_stack+0x2c/0x3c [ 224.411681][ T6809] __dump_stack+0x30/0x40 [ 224.412377][ T6809] dump_stack_lvl+0xf4/0x15c [ 224.413079][ T6809] dump_stack+0x1c/0x5c [ 224.413802][ T6809] sysfs_create_dir_ns+0x244/0x264 [ 224.414574][ T6809] kobject_add_internal+0x5ac/0xc3c [ 224.415447][ T6809] kobject_init_and_add+0x124/0x190 [ 224.416358][ T6809] gfs2_sys_fs_add+0x200/0x41c [ 224.417108][ T6809] gfs2_fill_super+0xddc/0x1a18 [ 224.417918][ T6809] get_tree_bdev+0x358/0x544 [ 224.418703][ T6809] gfs2_get_tree+0x54/0x1b4 [ 224.419433][ T6809] vfs_get_tree+0x90/0x274 [ 224.420206][ T6809] do_new_mount+0x228/0x810 [ 224.420973][ T6809] path_mount+0x5bc/0x1008 [ 224.421768][ T6809] __arm64_sys_mount+0x514/0x5f0 [ 224.422585][ T6809] invoke_syscall+0x98/0x2b0 [ 224.423319][ T6809] el0_svc_common+0x138/0x258 [ 224.424061][ T6809] do_el0_svc+0x58/0x13c [ 224.424755][ T6809] el0_svc+0x78/0x1d0 [ 224.425359][ T6809] el0t_64_sync_handler+0xcc/0xe4 [ 224.426178][ T6809] el0t_64_sync+0x1a0/0x1a4 [ 224.427854][ T6809] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.429974][ T6809] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.567694][ T6812] loop1: detected capacity change from 0 to 32768 [ 224.626133][ T6812] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.627465][ T6812] CPU: 1 PID: 6812 Comm: syz.1.634 Not tainted syzkaller #0 [ 224.628611][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.630385][ T6812] Call trace: [ 224.630986][ T6812] dump_backtrace+0x0/0x458 [ 224.631798][ T6812] show_stack+0x2c/0x3c [ 224.632474][ T6812] __dump_stack+0x30/0x40 [ 224.633145][ T6812] dump_stack_lvl+0xf4/0x15c [ 224.633885][ T6812] dump_stack+0x1c/0x5c [ 224.634544][ T6812] sysfs_create_dir_ns+0x244/0x264 [ 224.635378][ T6812] kobject_add_internal+0x5ac/0xc3c [ 224.636266][ T6812] kobject_init_and_add+0x124/0x190 [ 224.637113][ T6812] gfs2_sys_fs_add+0x200/0x41c [ 224.637911][ T6812] gfs2_fill_super+0xddc/0x1a18 [ 224.638687][ T6812] get_tree_bdev+0x358/0x544 [ 224.639366][ T6812] gfs2_get_tree+0x54/0x1b4 [ 224.640074][ T6812] vfs_get_tree+0x90/0x274 [ 224.640844][ T6812] do_new_mount+0x228/0x810 [ 224.641620][ T6812] path_mount+0x5bc/0x1008 [ 224.642348][ T6812] __arm64_sys_mount+0x514/0x5f0 [ 224.643204][ T6812] invoke_syscall+0x98/0x2b0 [ 224.643963][ T6812] el0_svc_common+0x138/0x258 [ 224.644753][ T6812] do_el0_svc+0x58/0x13c [ 224.645519][ T6812] el0_svc+0x78/0x1d0 [ 224.646151][ T6812] el0t_64_sync_handler+0xcc/0xe4 [ 224.647047][ T6812] el0t_64_sync+0x1a0/0x1a4 [ 224.649367][ T6812] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.651343][ T6812] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 224.789911][ T6815] loop1: detected capacity change from 0 to 32768 [ 224.835365][ T6815] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 224.836677][ T6815] CPU: 0 PID: 6815 Comm: syz.1.635 Not tainted syzkaller #0 [ 224.837930][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.839490][ T6815] Call trace: [ 224.839985][ T6815] dump_backtrace+0x0/0x458 [ 224.840697][ T6815] show_stack+0x2c/0x3c [ 224.841362][ T6815] __dump_stack+0x30/0x40 [ 224.842012][ T6815] dump_stack_lvl+0xf4/0x15c [ 224.842762][ T6815] dump_stack+0x1c/0x5c [ 224.843419][ T6815] sysfs_create_dir_ns+0x244/0x264 [ 224.844160][ T6815] kobject_add_internal+0x5ac/0xc3c [ 224.844929][ T6815] kobject_init_and_add+0x124/0x190 [ 224.845740][ T6815] gfs2_sys_fs_add+0x200/0x41c [ 224.846531][ T6815] gfs2_fill_super+0xddc/0x1a18 [ 224.847341][ T6815] get_tree_bdev+0x358/0x544 [ 224.848089][ T6815] gfs2_get_tree+0x54/0x1b4 [ 224.848854][ T6815] vfs_get_tree+0x90/0x274 [ 224.849578][ T6815] do_new_mount+0x228/0x810 [ 224.850299][ T6815] path_mount+0x5bc/0x1008 [ 224.851071][ T6815] __arm64_sys_mount+0x514/0x5f0 [ 224.851903][ T6815] invoke_syscall+0x98/0x2b0 [ 224.852644][ T6815] el0_svc_common+0x138/0x258 [ 224.853396][ T6815] do_el0_svc+0x58/0x13c [ 224.854102][ T6815] el0_svc+0x78/0x1d0 [ 224.854752][ T6815] el0t_64_sync_handler+0xcc/0xe4 [ 224.855531][ T6815] el0t_64_sync+0x1a0/0x1a4 [ 224.860830][ T6815] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.862896][ T6815] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.047603][ T6818] loop1: detected capacity change from 0 to 32768 [ 225.105326][ T6818] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.106526][ T6818] CPU: 1 PID: 6818 Comm: syz.1.636 Not tainted syzkaller #0 [ 225.107633][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.109335][ T6818] Call trace: [ 225.109798][ T6818] dump_backtrace+0x0/0x458 [ 225.110456][ T6818] show_stack+0x2c/0x3c [ 225.111102][ T6818] __dump_stack+0x30/0x40 [ 225.111815][ T6818] dump_stack_lvl+0xf4/0x15c [ 225.112493][ T6818] dump_stack+0x1c/0x5c [ 225.113165][ T6818] sysfs_create_dir_ns+0x244/0x264 [ 225.113966][ T6818] kobject_add_internal+0x5ac/0xc3c [ 225.114866][ T6818] kobject_init_and_add+0x124/0x190 [ 225.115820][ T6818] gfs2_sys_fs_add+0x200/0x41c [ 225.116641][ T6818] gfs2_fill_super+0xddc/0x1a18 [ 225.117459][ T6818] get_tree_bdev+0x358/0x544 [ 225.118216][ T6818] gfs2_get_tree+0x54/0x1b4 [ 225.118986][ T6818] vfs_get_tree+0x90/0x274 [ 225.119758][ T6818] do_new_mount+0x228/0x810 [ 225.120454][ T6818] path_mount+0x5bc/0x1008 [ 225.121183][ T6818] __arm64_sys_mount+0x514/0x5f0 [ 225.122067][ T6818] invoke_syscall+0x98/0x2b0 [ 225.122812][ T6818] el0_svc_common+0x138/0x258 [ 225.123598][ T6818] do_el0_svc+0x58/0x13c [ 225.124342][ T6818] el0_svc+0x78/0x1d0 [ 225.124987][ T6818] el0t_64_sync_handler+0xcc/0xe4 [ 225.125888][ T6818] el0t_64_sync+0x1a0/0x1a4 [ 225.127266][ T6818] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.129303][ T6818] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.268857][ T6821] loop1: detected capacity change from 0 to 32768 [ 225.323320][ T6821] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.324597][ T6821] CPU: 1 PID: 6821 Comm: syz.1.637 Not tainted syzkaller #0 [ 225.325851][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.327479][ T6821] Call trace: [ 225.328013][ T6821] dump_backtrace+0x0/0x458 [ 225.328758][ T6821] show_stack+0x2c/0x3c [ 225.329473][ T6821] __dump_stack+0x30/0x40 [ 225.330175][ T6821] dump_stack_lvl+0xf4/0x15c [ 225.330927][ T6821] dump_stack+0x1c/0x5c [ 225.331587][ T6821] sysfs_create_dir_ns+0x244/0x264 [ 225.332426][ T6821] kobject_add_internal+0x5ac/0xc3c [ 225.333280][ T6821] kobject_init_and_add+0x124/0x190 [ 225.334115][ T6821] gfs2_sys_fs_add+0x200/0x41c [ 225.334913][ T6821] gfs2_fill_super+0xddc/0x1a18 [ 225.335719][ T6821] get_tree_bdev+0x358/0x544 [ 225.336549][ T6821] gfs2_get_tree+0x54/0x1b4 [ 225.337283][ T6821] vfs_get_tree+0x90/0x274 [ 225.338021][ T6821] do_new_mount+0x228/0x810 [ 225.338789][ T6821] path_mount+0x5bc/0x1008 [ 225.339564][ T6821] __arm64_sys_mount+0x514/0x5f0 [ 225.340558][ T6821] invoke_syscall+0x98/0x2b0 [ 225.341362][ T6821] el0_svc_common+0x138/0x258 [ 225.342126][ T6821] do_el0_svc+0x58/0x13c [ 225.342868][ T6821] el0_svc+0x78/0x1d0 [ 225.343533][ T6821] el0t_64_sync_handler+0xcc/0xe4 [ 225.344322][ T6821] el0t_64_sync+0x1a0/0x1a4 [ 225.346156][ T6821] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.348229][ T6821] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.487564][ T6824] loop1: detected capacity change from 0 to 32768 [ 225.593344][ T6824] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.594599][ T6824] CPU: 1 PID: 6824 Comm: syz.1.638 Not tainted syzkaller #0 [ 225.595834][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.597685][ T6824] Call trace: [ 225.598252][ T6824] dump_backtrace+0x0/0x458 [ 225.599034][ T6824] show_stack+0x2c/0x3c [ 225.599731][ T6824] __dump_stack+0x30/0x40 [ 225.600510][ T6824] dump_stack_lvl+0xf4/0x15c [ 225.601268][ T6824] dump_stack+0x1c/0x5c [ 225.601997][ T6824] sysfs_create_dir_ns+0x244/0x264 [ 225.602832][ T6824] kobject_add_internal+0x5ac/0xc3c [ 225.603756][ T6824] kobject_init_and_add+0x124/0x190 [ 225.604730][ T6824] gfs2_sys_fs_add+0x200/0x41c [ 225.605542][ T6824] gfs2_fill_super+0xddc/0x1a18 [ 225.606347][ T6824] get_tree_bdev+0x358/0x544 [ 225.607158][ T6824] gfs2_get_tree+0x54/0x1b4 [ 225.607958][ T6824] vfs_get_tree+0x90/0x274 [ 225.608730][ T6824] do_new_mount+0x228/0x810 [ 225.609467][ T6824] path_mount+0x5bc/0x1008 [ 225.610211][ T6824] __arm64_sys_mount+0x514/0x5f0 [ 225.611096][ T6824] invoke_syscall+0x98/0x2b0 [ 225.611935][ T6824] el0_svc_common+0x138/0x258 [ 225.612760][ T6824] do_el0_svc+0x58/0x13c [ 225.613464][ T6824] el0_svc+0x78/0x1d0 [ 225.614241][ T6824] el0t_64_sync_handler+0xcc/0xe4 [ 225.615132][ T6824] el0t_64_sync+0x1a0/0x1a4 [ 225.617309][ T6824] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.619471][ T6824] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.624860][ T4886] Bluetooth: hci2: command 0x040f tx timeout [ 225.833631][ T6827] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.835414][ T6827] CPU: 0 PID: 6827 Comm: syz.1.639 Not tainted syzkaller #0 [ 225.836519][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.838185][ T6827] Call trace: [ 225.838667][ T6827] dump_backtrace+0x0/0x458 [ 225.839388][ T6827] show_stack+0x2c/0x3c [ 225.840112][ T6827] __dump_stack+0x30/0x40 [ 225.840816][ T6827] dump_stack_lvl+0xf4/0x15c [ 225.841535][ T6827] dump_stack+0x1c/0x5c [ 225.842237][ T6827] sysfs_create_dir_ns+0x244/0x264 [ 225.843065][ T6827] kobject_add_internal+0x5ac/0xc3c [ 225.843858][ T6827] kobject_init_and_add+0x124/0x190 [ 225.844618][ T6827] gfs2_sys_fs_add+0x200/0x41c [ 225.845439][ T6827] gfs2_fill_super+0xddc/0x1a18 [ 225.846149][ T6827] get_tree_bdev+0x358/0x544 [ 225.846907][ T6827] gfs2_get_tree+0x54/0x1b4 [ 225.847611][ T6827] vfs_get_tree+0x90/0x274 [ 225.848316][ T6827] do_new_mount+0x228/0x810 [ 225.849081][ T6827] path_mount+0x5bc/0x1008 [ 225.849751][ T6827] __arm64_sys_mount+0x514/0x5f0 [ 225.850604][ T6827] invoke_syscall+0x98/0x2b0 [ 225.851469][ T6827] el0_svc_common+0x138/0x258 [ 225.852234][ T6827] do_el0_svc+0x58/0x13c [ 225.852888][ T6827] el0_svc+0x78/0x1d0 [ 225.853571][ T6827] el0t_64_sync_handler+0xcc/0xe4 [ 225.854383][ T6827] el0t_64_sync+0x1a0/0x1a4 [ 225.855874][ T6827] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.857899][ T6827] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 225.997304][ T6830] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 225.998748][ T6830] CPU: 0 PID: 6830 Comm: syz.1.640 Not tainted syzkaller #0 [ 225.999986][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.001639][ T6830] Call trace: [ 226.002152][ T6830] dump_backtrace+0x0/0x458 [ 226.002870][ T6830] show_stack+0x2c/0x3c [ 226.003571][ T6830] __dump_stack+0x30/0x40 [ 226.004361][ T6830] dump_stack_lvl+0xf4/0x15c [ 226.005116][ T6830] dump_stack+0x1c/0x5c [ 226.005835][ T6830] sysfs_create_dir_ns+0x244/0x264 [ 226.006750][ T6830] kobject_add_internal+0x5ac/0xc3c [ 226.007611][ T6830] kobject_init_and_add+0x124/0x190 [ 226.008475][ T6830] gfs2_sys_fs_add+0x200/0x41c [ 226.009276][ T6830] gfs2_fill_super+0xddc/0x1a18 [ 226.010176][ T6830] get_tree_bdev+0x358/0x544 [ 226.011027][ T6830] gfs2_get_tree+0x54/0x1b4 [ 226.011843][ T6830] vfs_get_tree+0x90/0x274 [ 226.012607][ T6830] do_new_mount+0x228/0x810 [ 226.013381][ T6830] path_mount+0x5bc/0x1008 [ 226.014172][ T6830] __arm64_sys_mount+0x514/0x5f0 [ 226.014991][ T6830] invoke_syscall+0x98/0x2b0 [ 226.015814][ T6830] el0_svc_common+0x138/0x258 [ 226.016592][ T6830] do_el0_svc+0x58/0x13c [ 226.017319][ T6830] el0_svc+0x78/0x1d0 [ 226.017967][ T6830] el0t_64_sync_handler+0xcc/0xe4 [ 226.018801][ T6830] el0t_64_sync+0x1a0/0x1a4 [ 226.020396][ T6830] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.022622][ T6830] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.278217][ T6833] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.279509][ T6833] CPU: 0 PID: 6833 Comm: syz.1.641 Not tainted syzkaller #0 [ 226.280584][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.282161][ T6833] Call trace: [ 226.282710][ T6833] dump_backtrace+0x0/0x458 [ 226.283461][ T6833] show_stack+0x2c/0x3c [ 226.284127][ T6833] __dump_stack+0x30/0x40 [ 226.284828][ T6833] dump_stack_lvl+0xf4/0x15c [ 226.285603][ T6833] dump_stack+0x1c/0x5c [ 226.286231][ T6833] sysfs_create_dir_ns+0x244/0x264 [ 226.287096][ T6833] kobject_add_internal+0x5ac/0xc3c [ 226.288025][ T6833] kobject_init_and_add+0x124/0x190 [ 226.288793][ T6833] gfs2_sys_fs_add+0x200/0x41c [ 226.289604][ T6833] gfs2_fill_super+0xddc/0x1a18 [ 226.290459][ T6833] get_tree_bdev+0x358/0x544 [ 226.291238][ T6833] gfs2_get_tree+0x54/0x1b4 [ 226.291977][ T6833] vfs_get_tree+0x90/0x274 [ 226.292663][ T6833] do_new_mount+0x228/0x810 [ 226.293460][ T6833] path_mount+0x5bc/0x1008 [ 226.294280][ T6833] __arm64_sys_mount+0x514/0x5f0 [ 226.295080][ T6833] invoke_syscall+0x98/0x2b0 [ 226.295863][ T6833] el0_svc_common+0x138/0x258 [ 226.296727][ T6833] do_el0_svc+0x58/0x13c [ 226.297488][ T6833] el0_svc+0x78/0x1d0 [ 226.298101][ T6833] el0t_64_sync_handler+0xcc/0xe4 [ 226.298902][ T6833] el0t_64_sync+0x1a0/0x1a4 [ 226.299744][ T6833] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.301726][ T6833] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.513164][ T6836] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.514559][ T6836] CPU: 1 PID: 6836 Comm: syz.1.642 Not tainted syzkaller #0 [ 226.515741][ T6836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.517490][ T6836] Call trace: [ 226.518051][ T6836] dump_backtrace+0x0/0x458 [ 226.518911][ T6836] show_stack+0x2c/0x3c [ 226.519581][ T6836] __dump_stack+0x30/0x40 [ 226.520298][ T6836] dump_stack_lvl+0xf4/0x15c [ 226.520990][ T6836] dump_stack+0x1c/0x5c [ 226.521724][ T6836] sysfs_create_dir_ns+0x244/0x264 [ 226.522635][ T6836] kobject_add_internal+0x5ac/0xc3c [ 226.523576][ T6836] kobject_init_and_add+0x124/0x190 [ 226.524446][ T6836] gfs2_sys_fs_add+0x200/0x41c [ 226.525220][ T6836] gfs2_fill_super+0xddc/0x1a18 [ 226.526039][ T6836] get_tree_bdev+0x358/0x544 [ 226.526873][ T6836] gfs2_get_tree+0x54/0x1b4 [ 226.527743][ T6836] vfs_get_tree+0x90/0x274 [ 226.528546][ T6836] do_new_mount+0x228/0x810 [ 226.529293][ T6836] path_mount+0x5bc/0x1008 [ 226.530046][ T6836] __arm64_sys_mount+0x514/0x5f0 [ 226.530881][ T6836] invoke_syscall+0x98/0x2b0 [ 226.531692][ T6836] el0_svc_common+0x138/0x258 [ 226.532541][ T6836] do_el0_svc+0x58/0x13c [ 226.533273][ T6836] el0_svc+0x78/0x1d0 [ 226.534042][ T6836] el0t_64_sync_handler+0xcc/0xe4 [ 226.534905][ T6836] el0t_64_sync+0x1a0/0x1a4 [ 226.537315][ T6836] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.539373][ T6836] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 226.765406][ T6839] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 226.766696][ T6839] CPU: 0 PID: 6839 Comm: syz.1.643 Not tainted syzkaller #0 [ 226.767870][ T6839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.769462][ T6839] Call trace: [ 226.769967][ T6839] dump_backtrace+0x0/0x458 [ 226.770700][ T6839] show_stack+0x2c/0x3c [ 226.771371][ T6839] __dump_stack+0x30/0x40 [ 226.772028][ T6839] dump_stack_lvl+0xf4/0x15c [ 226.772787][ T6839] dump_stack+0x1c/0x5c [ 226.773494][ T6839] sysfs_create_dir_ns+0x244/0x264 [ 226.774368][ T6839] kobject_add_internal+0x5ac/0xc3c [ 226.775323][ T6839] kobject_init_and_add+0x124/0x190 [ 226.776233][ T6839] gfs2_sys_fs_add+0x200/0x41c [ 226.777025][ T6839] gfs2_fill_super+0xddc/0x1a18 [ 226.777808][ T6839] get_tree_bdev+0x358/0x544 [ 226.778536][ T6839] gfs2_get_tree+0x54/0x1b4 [ 226.779244][ T6839] vfs_get_tree+0x90/0x274 [ 226.780006][ T6839] do_new_mount+0x228/0x810 [ 226.780701][ T6839] path_mount+0x5bc/0x1008 [ 226.781420][ T6839] __arm64_sys_mount+0x514/0x5f0 [ 226.782253][ T6839] invoke_syscall+0x98/0x2b0 [ 226.783065][ T6839] el0_svc_common+0x138/0x258 [ 226.783868][ T6839] do_el0_svc+0x58/0x13c [ 226.784665][ T6839] el0_svc+0x78/0x1d0 [ 226.785405][ T6839] el0t_64_sync_handler+0xcc/0xe4 [ 226.786327][ T6839] el0t_64_sync+0x1a0/0x1a4 [ 226.787284][ T6839] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.789515][ T6839] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.015856][ T6842] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.017856][ T6842] CPU: 0 PID: 6842 Comm: syz.1.644 Not tainted syzkaller #0 [ 227.018992][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 227.020674][ T6842] Call trace: [ 227.021179][ T6842] dump_backtrace+0x0/0x458 [ 227.021894][ T6842] show_stack+0x2c/0x3c [ 227.022573][ T6842] __dump_stack+0x30/0x40 [ 227.023228][ T6842] dump_stack_lvl+0xf4/0x15c [ 227.023915][ T6842] dump_stack+0x1c/0x5c [ 227.024520][ T6842] sysfs_create_dir_ns+0x244/0x264 [ 227.025359][ T6842] kobject_add_internal+0x5ac/0xc3c [ 227.026223][ T6842] kobject_init_and_add+0x124/0x190 [ 227.027108][ T6842] gfs2_sys_fs_add+0x200/0x41c [ 227.027994][ T6842] gfs2_fill_super+0xddc/0x1a18 [ 227.028811][ T6842] get_tree_bdev+0x358/0x544 [ 227.029527][ T6842] gfs2_get_tree+0x54/0x1b4 [ 227.030235][ T6842] vfs_get_tree+0x90/0x274 [ 227.030967][ T6842] do_new_mount+0x228/0x810 [ 227.031692][ T6842] path_mount+0x5bc/0x1008 [ 227.032387][ T6842] __arm64_sys_mount+0x514/0x5f0 [ 227.033265][ T6842] invoke_syscall+0x98/0x2b0 [ 227.034104][ T6842] el0_svc_common+0x138/0x258 [ 227.034888][ T6842] do_el0_svc+0x58/0x13c [ 227.035626][ T6842] el0_svc+0x78/0x1d0 [ 227.036252][ T6842] el0t_64_sync_handler+0xcc/0xe4 [ 227.037098][ T6842] el0t_64_sync+0x1a0/0x1a4 [ 227.038129][ T6842] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.040289][ T6842] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.266532][ T6845] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.267790][ T6845] CPU: 1 PID: 6845 Comm: syz.1.645 Not tainted syzkaller #0 [ 227.269044][ T6845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 227.270763][ T6845] Call trace: [ 227.271356][ T6845] dump_backtrace+0x0/0x458 [ 227.272134][ T6845] show_stack+0x2c/0x3c [ 227.272813][ T6845] __dump_stack+0x30/0x40 [ 227.273460][ T6845] dump_stack_lvl+0xf4/0x15c [ 227.274139][ T6845] dump_stack+0x1c/0x5c [ 227.274833][ T6845] sysfs_create_dir_ns+0x244/0x264 [ 227.275704][ T6845] kobject_add_internal+0x5ac/0xc3c [ 227.276578][ T6845] kobject_init_and_add+0x124/0x190 [ 227.277523][ T6845] gfs2_sys_fs_add+0x200/0x41c [ 227.278306][ T6845] gfs2_fill_super+0xddc/0x1a18 [ 227.279120][ T6845] get_tree_bdev+0x358/0x544 [ 227.279904][ T6845] gfs2_get_tree+0x54/0x1b4 [ 227.280661][ T6845] vfs_get_tree+0x90/0x274 [ 227.281384][ T6845] do_new_mount+0x228/0x810 [ 227.282124][ T6845] path_mount+0x5bc/0x1008 [ 227.282837][ T6845] __arm64_sys_mount+0x514/0x5f0 [ 227.283640][ T6845] invoke_syscall+0x98/0x2b0 [ 227.284353][ T6845] el0_svc_common+0x138/0x258 [ 227.285113][ T6845] do_el0_svc+0x58/0x13c [ 227.285878][ T6845] el0_svc+0x78/0x1d0 [ 227.286573][ T6845] el0t_64_sync_handler+0xcc/0xe4 [ 227.287411][ T6845] el0t_64_sync+0x1a0/0x1a4 [ 227.289576][ T6845] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.291844][ T6845] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.438013][ T6848] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.439254][ T6848] CPU: 0 PID: 6848 Comm: syz.1.646 Not tainted syzkaller #0 [ 227.440480][ T6848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 227.442079][ T6848] Call trace: [ 227.442594][ T6848] dump_backtrace+0x0/0x458 [ 227.443336][ T6848] show_stack+0x2c/0x3c [ 227.444026][ T6848] __dump_stack+0x30/0x40 [ 227.444675][ T6848] dump_stack_lvl+0xf4/0x15c [ 227.445342][ T6848] dump_stack+0x1c/0x5c [ 227.445998][ T6848] sysfs_create_dir_ns+0x244/0x264 [ 227.446825][ T6848] kobject_add_internal+0x5ac/0xc3c [ 227.447736][ T6848] kobject_init_and_add+0x124/0x190 [ 227.448649][ T6848] gfs2_sys_fs_add+0x200/0x41c [ 227.449512][ T6848] gfs2_fill_super+0xddc/0x1a18 [ 227.450372][ T6848] get_tree_bdev+0x358/0x544 [ 227.451223][ T6848] gfs2_get_tree+0x54/0x1b4 [ 227.451961][ T6848] vfs_get_tree+0x90/0x274 [ 227.452733][ T6848] do_new_mount+0x228/0x810 [ 227.453483][ T6848] path_mount+0x5bc/0x1008 [ 227.454261][ T6848] __arm64_sys_mount+0x514/0x5f0 [ 227.455073][ T6848] invoke_syscall+0x98/0x2b0 [ 227.455848][ T6848] el0_svc_common+0x138/0x258 [ 227.456641][ T6848] do_el0_svc+0x58/0x13c [ 227.457316][ T6848] el0_svc+0x78/0x1d0 [ 227.458005][ T6848] el0t_64_sync_handler+0xcc/0xe4 [ 227.458847][ T6848] el0t_64_sync+0x1a0/0x1a4 [ 227.461489][ T6848] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.463683][ T6848] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.645317][ T6851] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.646644][ T6851] CPU: 0 PID: 6851 Comm: syz.1.647 Not tainted syzkaller #0 [ 227.647848][ T6851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 227.649644][ T6851] Call trace: [ 227.650203][ T6851] dump_backtrace+0x0/0x458 [ 227.650971][ T6851] show_stack+0x2c/0x3c [ 227.651713][ T6851] __dump_stack+0x30/0x40 [ 227.652447][ T6851] dump_stack_lvl+0xf4/0x15c [ 227.653186][ T6851] dump_stack+0x1c/0x5c [ 227.653885][ T6851] sysfs_create_dir_ns+0x244/0x264 [ 227.654815][ T6851] kobject_add_internal+0x5ac/0xc3c [ 227.655683][ T6851] kobject_init_and_add+0x124/0x190 [ 227.656598][ T6851] gfs2_sys_fs_add+0x200/0x41c [ 227.657454][ T6851] gfs2_fill_super+0xddc/0x1a18 [ 227.658254][ T6851] get_tree_bdev+0x358/0x544 [ 227.658967][ T6851] gfs2_get_tree+0x54/0x1b4 [ 227.659640][ T6851] vfs_get_tree+0x90/0x274 [ 227.660358][ T6851] do_new_mount+0x228/0x810 [ 227.661043][ T6851] path_mount+0x5bc/0x1008 [ 227.661814][ T6851] __arm64_sys_mount+0x514/0x5f0 [ 227.662709][ T6851] invoke_syscall+0x98/0x2b0 [ 227.663417][ T6851] el0_svc_common+0x138/0x258 [ 227.664155][ T6851] do_el0_svc+0x58/0x13c [ 227.664883][ T6851] el0_svc+0x78/0x1d0 [ 227.665537][ T6851] el0t_64_sync_handler+0xcc/0xe4 [ 227.666363][ T6851] el0t_64_sync+0x1a0/0x1a4 [ 227.667596][ T6851] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.669700][ T6851] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 227.694854][ T4886] Bluetooth: hci2: command 0x0419 tx timeout [ 227.885380][ T6854] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 227.887553][ T6854] CPU: 0 PID: 6854 Comm: syz.1.648 Not tainted syzkaller #0 [ 227.888836][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 227.890555][ T6854] Call trace: [ 227.891093][ T6854] dump_backtrace+0x0/0x458 [ 227.891870][ T6854] show_stack+0x2c/0x3c [ 227.892563][ T6854] __dump_stack+0x30/0x40 [ 227.893189][ T6854] dump_stack_lvl+0xf4/0x15c [ 227.893995][ T6854] dump_stack+0x1c/0x5c [ 227.894630][ T6854] sysfs_create_dir_ns+0x244/0x264 [ 227.895483][ T6854] kobject_add_internal+0x5ac/0xc3c [ 227.896351][ T6854] kobject_init_and_add+0x124/0x190 [ 227.897175][ T6854] gfs2_sys_fs_add+0x200/0x41c [ 227.897971][ T6854] gfs2_fill_super+0xddc/0x1a18 [ 227.898805][ T6854] get_tree_bdev+0x358/0x544 [ 227.899589][ T6854] gfs2_get_tree+0x54/0x1b4 [ 227.900225][ T6854] vfs_get_tree+0x90/0x274 [ 227.900904][ T6854] do_new_mount+0x228/0x810 [ 227.901627][ T6854] path_mount+0x5bc/0x1008 [ 227.902261][ T6854] __arm64_sys_mount+0x514/0x5f0 [ 227.902995][ T6854] invoke_syscall+0x98/0x2b0 [ 227.903687][ T6854] el0_svc_common+0x138/0x258 [ 227.904367][ T6854] do_el0_svc+0x58/0x13c [ 227.904994][ T6854] el0_svc+0x78/0x1d0 [ 227.905600][ T6854] el0t_64_sync_handler+0xcc/0xe4 [ 227.906423][ T6854] el0t_64_sync+0x1a0/0x1a4 [ 227.907386][ T6854] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.909542][ T6854] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.266162][ T6857] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.267478][ T6857] CPU: 0 PID: 6857 Comm: syz.1.649 Not tainted syzkaller #0 [ 228.268566][ T6857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 228.270255][ T6857] Call trace: [ 228.270822][ T6857] dump_backtrace+0x0/0x458 [ 228.271604][ T6857] show_stack+0x2c/0x3c [ 228.272316][ T6857] __dump_stack+0x30/0x40 [ 228.273049][ T6857] dump_stack_lvl+0xf4/0x15c [ 228.273756][ T6857] dump_stack+0x1c/0x5c [ 228.274375][ T6857] sysfs_create_dir_ns+0x244/0x264 [ 228.275177][ T6857] kobject_add_internal+0x5ac/0xc3c [ 228.276057][ T6857] kobject_init_and_add+0x124/0x190 [ 228.276922][ T6857] gfs2_sys_fs_add+0x200/0x41c [ 228.277625][ T6857] gfs2_fill_super+0xddc/0x1a18 [ 228.278363][ T6857] get_tree_bdev+0x358/0x544 [ 228.279087][ T6857] gfs2_get_tree+0x54/0x1b4 [ 228.279757][ T6857] vfs_get_tree+0x90/0x274 [ 228.280418][ T6857] do_new_mount+0x228/0x810 [ 228.281099][ T6857] path_mount+0x5bc/0x1008 [ 228.281795][ T6857] __arm64_sys_mount+0x514/0x5f0 [ 228.282547][ T6857] invoke_syscall+0x98/0x2b0 [ 228.283244][ T6857] el0_svc_common+0x138/0x258 [ 228.284001][ T6857] do_el0_svc+0x58/0x13c [ 228.284643][ T6857] el0_svc+0x78/0x1d0 [ 228.285270][ T6857] el0t_64_sync_handler+0xcc/0xe4 [ 228.286035][ T6857] el0t_64_sync+0x1a0/0x1a4 [ 228.288091][ T6857] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.290007][ T6857] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:48 executed programs: 636 [ 228.528815][ T6860] set_capacity_and_notify: 11 callbacks suppressed [ 228.528827][ T6860] loop1: detected capacity change from 0 to 32768 [ 228.605014][ T6860] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.606312][ T6860] CPU: 0 PID: 6860 Comm: syz.1.650 Not tainted syzkaller #0 [ 228.607528][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 228.609281][ T6860] Call trace: [ 228.609856][ T6860] dump_backtrace+0x0/0x458 [ 228.610634][ T6860] show_stack+0x2c/0x3c [ 228.611327][ T6860] __dump_stack+0x30/0x40 [ 228.612026][ T6860] dump_stack_lvl+0xf4/0x15c [ 228.612790][ T6860] dump_stack+0x1c/0x5c [ 228.613423][ T6860] sysfs_create_dir_ns+0x244/0x264 [ 228.614255][ T6860] kobject_add_internal+0x5ac/0xc3c [ 228.615103][ T6860] kobject_init_and_add+0x124/0x190 [ 228.615932][ T6860] gfs2_sys_fs_add+0x200/0x41c [ 228.616728][ T6860] gfs2_fill_super+0xddc/0x1a18 [ 228.617575][ T6860] get_tree_bdev+0x358/0x544 [ 228.618330][ T6860] gfs2_get_tree+0x54/0x1b4 [ 228.619079][ T6860] vfs_get_tree+0x90/0x274 [ 228.619784][ T6860] do_new_mount+0x228/0x810 [ 228.620608][ T6860] path_mount+0x5bc/0x1008 [ 228.621359][ T6860] __arm64_sys_mount+0x514/0x5f0 [ 228.622159][ T6860] invoke_syscall+0x98/0x2b0 [ 228.622876][ T6860] el0_svc_common+0x138/0x258 [ 228.623615][ T6860] do_el0_svc+0x58/0x13c [ 228.624286][ T6860] el0_svc+0x78/0x1d0 [ 228.624909][ T6860] el0t_64_sync_handler+0xcc/0xe4 [ 228.625770][ T6860] el0t_64_sync+0x1a0/0x1a4 [ 228.628101][ T6860] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.630267][ T6860] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 228.766755][ T6863] loop1: detected capacity change from 0 to 32768 [ 228.869389][ T6863] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 228.870677][ T6863] CPU: 1 PID: 6863 Comm: syz.1.651 Not tainted syzkaller #0 [ 228.871947][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 228.873530][ T6863] Call trace: [ 228.874082][ T6863] dump_backtrace+0x0/0x458 [ 228.874852][ T6863] show_stack+0x2c/0x3c [ 228.875568][ T6863] __dump_stack+0x30/0x40 [ 228.876325][ T6863] dump_stack_lvl+0xf4/0x15c [ 228.877059][ T6863] dump_stack+0x1c/0x5c [ 228.877784][ T6863] sysfs_create_dir_ns+0x244/0x264 [ 228.878681][ T6863] kobject_add_internal+0x5ac/0xc3c [ 228.879574][ T6863] kobject_init_and_add+0x124/0x190 [ 228.880493][ T6863] gfs2_sys_fs_add+0x200/0x41c [ 228.881333][ T6863] gfs2_fill_super+0xddc/0x1a18 [ 228.882167][ T6863] get_tree_bdev+0x358/0x544 [ 228.882938][ T6863] gfs2_get_tree+0x54/0x1b4 [ 228.883692][ T6863] vfs_get_tree+0x90/0x274 [ 228.884412][ T6863] do_new_mount+0x228/0x810 [ 228.885153][ T6863] path_mount+0x5bc/0x1008 [ 228.885919][ T6863] __arm64_sys_mount+0x514/0x5f0 [ 228.886792][ T6863] invoke_syscall+0x98/0x2b0 [ 228.887576][ T6863] el0_svc_common+0x138/0x258 [ 228.888373][ T6863] do_el0_svc+0x58/0x13c [ 228.889132][ T6863] el0_svc+0x78/0x1d0 [ 228.889796][ T6863] el0t_64_sync_handler+0xcc/0xe4 [ 228.890659][ T6863] el0t_64_sync+0x1a0/0x1a4 [ 228.892281][ T6863] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.894353][ T6863] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.029176][ T6866] loop1: detected capacity change from 0 to 32768 [ 229.065483][ T6866] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.066745][ T6866] CPU: 0 PID: 6866 Comm: syz.1.652 Not tainted syzkaller #0 [ 229.067873][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.069455][ T6866] Call trace: [ 229.070062][ T6866] dump_backtrace+0x0/0x458 [ 229.070836][ T6866] show_stack+0x2c/0x3c [ 229.071533][ T6866] __dump_stack+0x30/0x40 [ 229.072262][ T6866] dump_stack_lvl+0xf4/0x15c [ 229.073059][ T6866] dump_stack+0x1c/0x5c [ 229.073698][ T6866] sysfs_create_dir_ns+0x244/0x264 [ 229.074489][ T6866] kobject_add_internal+0x5ac/0xc3c [ 229.075311][ T6866] kobject_init_and_add+0x124/0x190 [ 229.076185][ T6866] gfs2_sys_fs_add+0x200/0x41c [ 229.076961][ T6866] gfs2_fill_super+0xddc/0x1a18 [ 229.077845][ T6866] get_tree_bdev+0x358/0x544 [ 229.078623][ T6866] gfs2_get_tree+0x54/0x1b4 [ 229.079445][ T6866] vfs_get_tree+0x90/0x274 [ 229.080193][ T6866] do_new_mount+0x228/0x810 [ 229.080951][ T6866] path_mount+0x5bc/0x1008 [ 229.081686][ T6866] __arm64_sys_mount+0x514/0x5f0 [ 229.082520][ T6866] invoke_syscall+0x98/0x2b0 [ 229.083288][ T6866] el0_svc_common+0x138/0x258 [ 229.084052][ T6866] do_el0_svc+0x58/0x13c [ 229.084761][ T6866] el0_svc+0x78/0x1d0 [ 229.085485][ T6866] el0t_64_sync_handler+0xcc/0xe4 [ 229.086288][ T6866] el0t_64_sync+0x1a0/0x1a4 [ 229.088241][ T6866] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.090418][ T6866] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.232149][ T6869] loop1: detected capacity change from 0 to 32768 [ 229.239827][ T6869] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.241153][ T6869] CPU: 1 PID: 6869 Comm: syz.1.653 Not tainted syzkaller #0 [ 229.242324][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.244051][ T6869] Call trace: [ 229.244605][ T6869] dump_backtrace+0x0/0x458 [ 229.245329][ T6869] show_stack+0x2c/0x3c [ 229.245997][ T6869] __dump_stack+0x30/0x40 [ 229.246697][ T6869] dump_stack_lvl+0xf4/0x15c [ 229.247413][ T6869] dump_stack+0x1c/0x5c [ 229.248032][ T6869] sysfs_create_dir_ns+0x244/0x264 [ 229.248852][ T6869] kobject_add_internal+0x5ac/0xc3c [ 229.249740][ T6869] kobject_init_and_add+0x124/0x190 [ 229.250675][ T6869] gfs2_sys_fs_add+0x200/0x41c [ 229.251482][ T6869] gfs2_fill_super+0xddc/0x1a18 [ 229.252228][ T6869] get_tree_bdev+0x358/0x544 [ 229.253076][ T6869] gfs2_get_tree+0x54/0x1b4 [ 229.253838][ T6869] vfs_get_tree+0x90/0x274 [ 229.254599][ T6869] do_new_mount+0x228/0x810 [ 229.255343][ T6869] path_mount+0x5bc/0x1008 [ 229.256087][ T6869] __arm64_sys_mount+0x514/0x5f0 [ 229.256887][ T6869] invoke_syscall+0x98/0x2b0 [ 229.257588][ T6869] el0_svc_common+0x138/0x258 [ 229.258315][ T6869] do_el0_svc+0x58/0x13c [ 229.258995][ T6869] el0_svc+0x78/0x1d0 [ 229.259661][ T6869] el0t_64_sync_handler+0xcc/0xe4 [ 229.260496][ T6869] el0t_64_sync+0x1a0/0x1a4 [ 229.263305][ T6869] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.265609][ T6869] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.412439][ T6872] loop1: detected capacity change from 0 to 32768 [ 229.420947][ T6872] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.422105][ T6872] CPU: 0 PID: 6872 Comm: syz.1.654 Not tainted syzkaller #0 [ 229.423334][ T6872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.424979][ T6872] Call trace: [ 229.425573][ T6872] dump_backtrace+0x0/0x458 [ 229.426343][ T6872] show_stack+0x2c/0x3c [ 229.427087][ T6872] __dump_stack+0x30/0x40 [ 229.427836][ T6872] dump_stack_lvl+0xf4/0x15c [ 229.428629][ T6872] dump_stack+0x1c/0x5c [ 229.429285][ T6872] sysfs_create_dir_ns+0x244/0x264 [ 229.430156][ T6872] kobject_add_internal+0x5ac/0xc3c [ 229.431025][ T6872] kobject_init_and_add+0x124/0x190 [ 229.431879][ T6872] gfs2_sys_fs_add+0x200/0x41c [ 229.432683][ T6872] gfs2_fill_super+0xddc/0x1a18 [ 229.433472][ T6872] get_tree_bdev+0x358/0x544 [ 229.434224][ T6872] gfs2_get_tree+0x54/0x1b4 [ 229.434989][ T6872] vfs_get_tree+0x90/0x274 [ 229.435725][ T6872] do_new_mount+0x228/0x810 [ 229.436456][ T6872] path_mount+0x5bc/0x1008 [ 229.437207][ T6872] __arm64_sys_mount+0x514/0x5f0 [ 229.438046][ T6872] invoke_syscall+0x98/0x2b0 [ 229.438771][ T6872] el0_svc_common+0x138/0x258 [ 229.439570][ T6872] do_el0_svc+0x58/0x13c [ 229.440317][ T6872] el0_svc+0x78/0x1d0 [ 229.441009][ T6872] el0t_64_sync_handler+0xcc/0xe4 [ 229.441794][ T6872] el0t_64_sync+0x1a0/0x1a4 [ 229.442819][ T6872] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.444928][ T6872] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.577428][ T6875] loop1: detected capacity change from 0 to 32768 [ 229.615352][ T6875] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.616670][ T6875] CPU: 0 PID: 6875 Comm: syz.1.655 Not tainted syzkaller #0 [ 229.617730][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.619422][ T6875] Call trace: [ 229.619931][ T6875] dump_backtrace+0x0/0x458 [ 229.620698][ T6875] show_stack+0x2c/0x3c [ 229.621359][ T6875] __dump_stack+0x30/0x40 [ 229.622114][ T6875] dump_stack_lvl+0xf4/0x15c [ 229.622834][ T6875] dump_stack+0x1c/0x5c [ 229.623553][ T6875] sysfs_create_dir_ns+0x244/0x264 [ 229.624416][ T6875] kobject_add_internal+0x5ac/0xc3c [ 229.625293][ T6875] kobject_init_and_add+0x124/0x190 [ 229.626148][ T6875] gfs2_sys_fs_add+0x200/0x41c [ 229.626913][ T6875] gfs2_fill_super+0xddc/0x1a18 [ 229.627750][ T6875] get_tree_bdev+0x358/0x544 [ 229.628605][ T6875] gfs2_get_tree+0x54/0x1b4 [ 229.629387][ T6875] vfs_get_tree+0x90/0x274 [ 229.630105][ T6875] do_new_mount+0x228/0x810 [ 229.630808][ T6875] path_mount+0x5bc/0x1008 [ 229.631445][ T6875] __arm64_sys_mount+0x514/0x5f0 [ 229.632248][ T6875] invoke_syscall+0x98/0x2b0 [ 229.633040][ T6875] el0_svc_common+0x138/0x258 [ 229.633909][ T6875] do_el0_svc+0x58/0x13c [ 229.634555][ T6875] el0_svc+0x78/0x1d0 [ 229.635241][ T6875] el0t_64_sync_handler+0xcc/0xe4 [ 229.636086][ T6875] el0t_64_sync+0x1a0/0x1a4 [ 229.637623][ T6875] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.639638][ T6875] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.774693][ T6878] loop1: detected capacity change from 0 to 32768 [ 229.778179][ T6878] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.779375][ T6878] CPU: 0 PID: 6878 Comm: syz.1.656 Not tainted syzkaller #0 [ 229.780561][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.782241][ T6878] Call trace: [ 229.782783][ T6878] dump_backtrace+0x0/0x458 [ 229.783551][ T6878] show_stack+0x2c/0x3c [ 229.784205][ T6878] __dump_stack+0x30/0x40 [ 229.784929][ T6878] dump_stack_lvl+0xf4/0x15c [ 229.785711][ T6878] dump_stack+0x1c/0x5c [ 229.786373][ T6878] sysfs_create_dir_ns+0x244/0x264 [ 229.787232][ T6878] kobject_add_internal+0x5ac/0xc3c [ 229.788086][ T6878] kobject_init_and_add+0x124/0x190 [ 229.788976][ T6878] gfs2_sys_fs_add+0x200/0x41c [ 229.789770][ T6878] gfs2_fill_super+0xddc/0x1a18 [ 229.790653][ T6878] get_tree_bdev+0x358/0x544 [ 229.791425][ T6878] gfs2_get_tree+0x54/0x1b4 [ 229.792167][ T6878] vfs_get_tree+0x90/0x274 [ 229.792857][ T6878] do_new_mount+0x228/0x810 [ 229.793576][ T6878] path_mount+0x5bc/0x1008 [ 229.794309][ T6878] __arm64_sys_mount+0x514/0x5f0 [ 229.795098][ T6878] invoke_syscall+0x98/0x2b0 [ 229.795784][ T6878] el0_svc_common+0x138/0x258 [ 229.796475][ T6878] do_el0_svc+0x58/0x13c [ 229.797133][ T6878] el0_svc+0x78/0x1d0 [ 229.797711][ T6878] el0t_64_sync_handler+0xcc/0xe4 [ 229.798520][ T6878] el0t_64_sync+0x1a0/0x1a4 [ 229.801178][ T6878] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.803459][ T6878] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 229.943136][ T6881] loop1: detected capacity change from 0 to 32768 [ 229.981054][ T6881] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 229.982186][ T6881] CPU: 0 PID: 6881 Comm: syz.1.657 Not tainted syzkaller #0 [ 229.983308][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.985021][ T6881] Call trace: [ 229.985567][ T6881] dump_backtrace+0x0/0x458 [ 229.986297][ T6881] show_stack+0x2c/0x3c [ 229.986956][ T6881] __dump_stack+0x30/0x40 [ 229.987640][ T6881] dump_stack_lvl+0xf4/0x15c [ 229.988450][ T6881] dump_stack+0x1c/0x5c [ 229.989126][ T6881] sysfs_create_dir_ns+0x244/0x264 [ 229.990008][ T6881] kobject_add_internal+0x5ac/0xc3c [ 229.990882][ T6881] kobject_init_and_add+0x124/0x190 [ 229.991758][ T6881] gfs2_sys_fs_add+0x200/0x41c [ 229.992574][ T6881] gfs2_fill_super+0xddc/0x1a18 [ 229.993437][ T6881] get_tree_bdev+0x358/0x544 [ 229.994286][ T6881] gfs2_get_tree+0x54/0x1b4 [ 229.995024][ T6881] vfs_get_tree+0x90/0x274 [ 229.995807][ T6881] do_new_mount+0x228/0x810 [ 229.996565][ T6881] path_mount+0x5bc/0x1008 [ 229.997336][ T6881] __arm64_sys_mount+0x514/0x5f0 [ 229.998181][ T6881] invoke_syscall+0x98/0x2b0 [ 229.998977][ T6881] el0_svc_common+0x138/0x258 [ 229.999757][ T6881] do_el0_svc+0x58/0x13c [ 230.000561][ T6881] el0_svc+0x78/0x1d0 [ 230.001261][ T6881] el0t_64_sync_handler+0xcc/0xe4 [ 230.001968][ T6881] el0t_64_sync+0x1a0/0x1a4 [ 230.004270][ T6881] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.006940][ T6881] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.152416][ T6884] loop1: detected capacity change from 0 to 32768 [ 230.195417][ T6884] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.196762][ T6884] CPU: 1 PID: 6884 Comm: syz.1.658 Not tainted syzkaller #0 [ 230.197906][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 230.199474][ T6884] Call trace: [ 230.200054][ T6884] dump_backtrace+0x0/0x458 [ 230.200788][ T6884] show_stack+0x2c/0x3c [ 230.201441][ T6884] __dump_stack+0x30/0x40 [ 230.202066][ T6884] dump_stack_lvl+0xf4/0x15c [ 230.202827][ T6884] dump_stack+0x1c/0x5c [ 230.203582][ T6884] sysfs_create_dir_ns+0x244/0x264 [ 230.204397][ T6884] kobject_add_internal+0x5ac/0xc3c [ 230.205261][ T6884] kobject_init_and_add+0x124/0x190 [ 230.206108][ T6884] gfs2_sys_fs_add+0x200/0x41c [ 230.206856][ T6884] gfs2_fill_super+0xddc/0x1a18 [ 230.207707][ T6884] get_tree_bdev+0x358/0x544 [ 230.208478][ T6884] gfs2_get_tree+0x54/0x1b4 [ 230.209232][ T6884] vfs_get_tree+0x90/0x274 [ 230.209997][ T6884] do_new_mount+0x228/0x810 [ 230.210755][ T6884] path_mount+0x5bc/0x1008 [ 230.211515][ T6884] __arm64_sys_mount+0x514/0x5f0 [ 230.212320][ T6884] invoke_syscall+0x98/0x2b0 [ 230.213099][ T6884] el0_svc_common+0x138/0x258 [ 230.213861][ T6884] do_el0_svc+0x58/0x13c [ 230.214578][ T6884] el0_svc+0x78/0x1d0 [ 230.215215][ T6884] el0t_64_sync_handler+0xcc/0xe4 [ 230.216021][ T6884] el0t_64_sync+0x1a0/0x1a4 [ 230.217528][ T6884] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.219556][ T6884] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.402147][ T6887] loop1: detected capacity change from 0 to 32768 [ 230.436380][ T6887] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.437529][ T6887] CPU: 0 PID: 6887 Comm: syz.1.659 Not tainted syzkaller #0 [ 230.438617][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 230.440136][ T6887] Call trace: [ 230.440688][ T6887] dump_backtrace+0x0/0x458 [ 230.441443][ T6887] show_stack+0x2c/0x3c [ 230.442112][ T6887] __dump_stack+0x30/0x40 [ 230.442778][ T6887] dump_stack_lvl+0xf4/0x15c [ 230.443491][ T6887] dump_stack+0x1c/0x5c [ 230.444138][ T6887] sysfs_create_dir_ns+0x244/0x264 [ 230.444976][ T6887] kobject_add_internal+0x5ac/0xc3c [ 230.445854][ T6887] kobject_init_and_add+0x124/0x190 [ 230.446699][ T6887] gfs2_sys_fs_add+0x200/0x41c [ 230.447445][ T6887] gfs2_fill_super+0xddc/0x1a18 [ 230.448159][ T6887] get_tree_bdev+0x358/0x544 [ 230.448844][ T6887] gfs2_get_tree+0x54/0x1b4 [ 230.449514][ T6887] vfs_get_tree+0x90/0x274 [ 230.450172][ T6887] do_new_mount+0x228/0x810 [ 230.450845][ T6887] path_mount+0x5bc/0x1008 [ 230.451497][ T6887] __arm64_sys_mount+0x514/0x5f0 [ 230.452219][ T6887] invoke_syscall+0x98/0x2b0 [ 230.452920][ T6887] el0_svc_common+0x138/0x258 [ 230.453605][ T6887] do_el0_svc+0x58/0x13c [ 230.454228][ T6887] el0_svc+0x78/0x1d0 [ 230.454826][ T6887] el0t_64_sync_handler+0xcc/0xe4 [ 230.455561][ T6887] el0t_64_sync+0x1a0/0x1a4 [ 230.457015][ T6887] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.459051][ T6887] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.676202][ T6890] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.677377][ T6890] CPU: 1 PID: 6890 Comm: syz.1.660 Not tainted syzkaller #0 [ 230.678469][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 230.679975][ T6890] Call trace: [ 230.680495][ T6890] dump_backtrace+0x0/0x458 [ 230.681185][ T6890] show_stack+0x2c/0x3c [ 230.681814][ T6890] __dump_stack+0x30/0x40 [ 230.682454][ T6890] dump_stack_lvl+0xf4/0x15c [ 230.683222][ T6890] dump_stack+0x1c/0x5c [ 230.683918][ T6890] sysfs_create_dir_ns+0x244/0x264 [ 230.684712][ T6890] kobject_add_internal+0x5ac/0xc3c [ 230.685525][ T6890] kobject_init_and_add+0x124/0x190 [ 230.686340][ T6890] gfs2_sys_fs_add+0x200/0x41c [ 230.687093][ T6890] gfs2_fill_super+0xddc/0x1a18 [ 230.687914][ T6890] get_tree_bdev+0x358/0x544 [ 230.688638][ T6890] gfs2_get_tree+0x54/0x1b4 [ 230.689389][ T6890] vfs_get_tree+0x90/0x274 [ 230.690110][ T6890] do_new_mount+0x228/0x810 [ 230.690822][ T6890] path_mount+0x5bc/0x1008 [ 230.691551][ T6890] __arm64_sys_mount+0x514/0x5f0 [ 230.692400][ T6890] invoke_syscall+0x98/0x2b0 [ 230.693186][ T6890] el0_svc_common+0x138/0x258 [ 230.693978][ T6890] do_el0_svc+0x58/0x13c [ 230.694665][ T6890] el0_svc+0x78/0x1d0 [ 230.695294][ T6890] el0t_64_sync_handler+0xcc/0xe4 [ 230.696085][ T6890] el0t_64_sync+0x1a0/0x1a4 [ 230.697646][ T6890] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.699599][ T6890] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 230.848373][ T6893] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 230.849712][ T6893] CPU: 0 PID: 6893 Comm: syz.1.661 Not tainted syzkaller #0 [ 230.850860][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 230.852496][ T6893] Call trace: [ 230.853071][ T6893] dump_backtrace+0x0/0x458 [ 230.853813][ T6893] show_stack+0x2c/0x3c [ 230.854506][ T6893] __dump_stack+0x30/0x40 [ 230.855219][ T6893] dump_stack_lvl+0xf4/0x15c [ 230.855942][ T6893] dump_stack+0x1c/0x5c [ 230.856606][ T6893] sysfs_create_dir_ns+0x244/0x264 [ 230.857414][ T6893] kobject_add_internal+0x5ac/0xc3c [ 230.858301][ T6893] kobject_init_and_add+0x124/0x190 [ 230.859154][ T6893] gfs2_sys_fs_add+0x200/0x41c [ 230.859914][ T6893] gfs2_fill_super+0xddc/0x1a18 [ 230.860675][ T6893] get_tree_bdev+0x358/0x544 [ 230.861413][ T6893] gfs2_get_tree+0x54/0x1b4 [ 230.862111][ T6893] vfs_get_tree+0x90/0x274 [ 230.862829][ T6893] do_new_mount+0x228/0x810 [ 230.863556][ T6893] path_mount+0x5bc/0x1008 [ 230.864286][ T6893] __arm64_sys_mount+0x514/0x5f0 [ 230.865115][ T6893] invoke_syscall+0x98/0x2b0 [ 230.865844][ T6893] el0_svc_common+0x138/0x258 [ 230.866594][ T6893] do_el0_svc+0x58/0x13c [ 230.867285][ T6893] el0_svc+0x78/0x1d0 [ 230.867908][ T6893] el0t_64_sync_handler+0xcc/0xe4 [ 230.868677][ T6893] el0t_64_sync+0x1a0/0x1a4 [ 230.870843][ T6893] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.872796][ T6893] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.022634][ T6896] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.023840][ T6896] CPU: 1 PID: 6896 Comm: syz.1.662 Not tainted syzkaller #0 [ 231.025067][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.026768][ T6896] Call trace: [ 231.027301][ T6896] dump_backtrace+0x0/0x458 [ 231.028090][ T6896] show_stack+0x2c/0x3c [ 231.028755][ T6896] __dump_stack+0x30/0x40 [ 231.029517][ T6896] dump_stack_lvl+0xf4/0x15c [ 231.030256][ T6896] dump_stack+0x1c/0x5c [ 231.030950][ T6896] sysfs_create_dir_ns+0x244/0x264 [ 231.031805][ T6896] kobject_add_internal+0x5ac/0xc3c [ 231.032671][ T6896] kobject_init_and_add+0x124/0x190 [ 231.033569][ T6896] gfs2_sys_fs_add+0x200/0x41c [ 231.034343][ T6896] gfs2_fill_super+0xddc/0x1a18 [ 231.035131][ T6896] get_tree_bdev+0x358/0x544 [ 231.035894][ T6896] gfs2_get_tree+0x54/0x1b4 [ 231.036629][ T6896] vfs_get_tree+0x90/0x274 [ 231.037300][ T6896] do_new_mount+0x228/0x810 [ 231.037952][ T6896] path_mount+0x5bc/0x1008 [ 231.038625][ T6896] __arm64_sys_mount+0x514/0x5f0 [ 231.039423][ T6896] invoke_syscall+0x98/0x2b0 [ 231.040124][ T6896] el0_svc_common+0x138/0x258 [ 231.040934][ T6896] do_el0_svc+0x58/0x13c [ 231.041658][ T6896] el0_svc+0x78/0x1d0 [ 231.042318][ T6896] el0t_64_sync_handler+0xcc/0xe4 [ 231.043102][ T6896] el0t_64_sync+0x1a0/0x1a4 [ 231.045885][ T6896] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.047872][ T6896] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.215458][ T6899] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.216724][ T6899] CPU: 1 PID: 6899 Comm: syz.1.663 Not tainted syzkaller #0 [ 231.217927][ T6899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.219549][ T6899] Call trace: [ 231.220065][ T6899] dump_backtrace+0x0/0x458 [ 231.220849][ T6899] show_stack+0x2c/0x3c [ 231.221526][ T6899] __dump_stack+0x30/0x40 [ 231.222251][ T6899] dump_stack_lvl+0xf4/0x15c [ 231.222985][ T6899] dump_stack+0x1c/0x5c [ 231.223659][ T6899] sysfs_create_dir_ns+0x244/0x264 [ 231.224510][ T6899] kobject_add_internal+0x5ac/0xc3c [ 231.225332][ T6899] kobject_init_and_add+0x124/0x190 [ 231.226189][ T6899] gfs2_sys_fs_add+0x200/0x41c [ 231.226999][ T6899] gfs2_fill_super+0xddc/0x1a18 [ 231.227725][ T6899] get_tree_bdev+0x358/0x544 [ 231.228431][ T6899] gfs2_get_tree+0x54/0x1b4 [ 231.229181][ T6899] vfs_get_tree+0x90/0x274 [ 231.229955][ T6899] do_new_mount+0x228/0x810 [ 231.230744][ T6899] path_mount+0x5bc/0x1008 [ 231.231442][ T6899] __arm64_sys_mount+0x514/0x5f0 [ 231.232413][ T6899] invoke_syscall+0x98/0x2b0 [ 231.233253][ T6899] el0_svc_common+0x138/0x258 [ 231.234047][ T6899] do_el0_svc+0x58/0x13c [ 231.234790][ T6899] el0_svc+0x78/0x1d0 [ 231.235465][ T6899] el0t_64_sync_handler+0xcc/0xe4 [ 231.236283][ T6899] el0t_64_sync+0x1a0/0x1a4 [ 231.237772][ T6899] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.239777][ T6899] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.455495][ T6902] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.456682][ T6902] CPU: 0 PID: 6902 Comm: syz.1.664 Not tainted syzkaller #0 [ 231.457870][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.459384][ T6902] Call trace: [ 231.459906][ T6902] dump_backtrace+0x0/0x458 [ 231.460650][ T6902] show_stack+0x2c/0x3c [ 231.461309][ T6902] __dump_stack+0x30/0x40 [ 231.461972][ T6902] dump_stack_lvl+0xf4/0x15c [ 231.462712][ T6902] dump_stack+0x1c/0x5c [ 231.463396][ T6902] sysfs_create_dir_ns+0x244/0x264 [ 231.464188][ T6902] kobject_add_internal+0x5ac/0xc3c [ 231.465037][ T6902] kobject_init_and_add+0x124/0x190 [ 231.465919][ T6902] gfs2_sys_fs_add+0x200/0x41c [ 231.466715][ T6902] gfs2_fill_super+0xddc/0x1a18 [ 231.467421][ T6902] get_tree_bdev+0x358/0x544 [ 231.468183][ T6902] gfs2_get_tree+0x54/0x1b4 [ 231.468897][ T6902] vfs_get_tree+0x90/0x274 [ 231.469585][ T6902] do_new_mount+0x228/0x810 [ 231.470309][ T6902] path_mount+0x5bc/0x1008 [ 231.471008][ T6902] __arm64_sys_mount+0x514/0x5f0 [ 231.471771][ T6902] invoke_syscall+0x98/0x2b0 [ 231.472489][ T6902] el0_svc_common+0x138/0x258 [ 231.473257][ T6902] do_el0_svc+0x58/0x13c [ 231.473935][ T6902] el0_svc+0x78/0x1d0 [ 231.474532][ T6902] el0t_64_sync_handler+0xcc/0xe4 [ 231.475334][ T6902] el0t_64_sync+0x1a0/0x1a4 [ 231.477666][ T6902] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.479552][ T6902] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.629612][ T6905] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.631062][ T6905] CPU: 1 PID: 6905 Comm: syz.1.665 Not tainted syzkaller #0 [ 231.632166][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.633889][ T6905] Call trace: [ 231.634451][ T6905] dump_backtrace+0x0/0x458 [ 231.635185][ T6905] show_stack+0x2c/0x3c [ 231.635857][ T6905] __dump_stack+0x30/0x40 [ 231.636606][ T6905] dump_stack_lvl+0xf4/0x15c [ 231.637333][ T6905] dump_stack+0x1c/0x5c [ 231.638013][ T6905] sysfs_create_dir_ns+0x244/0x264 [ 231.638813][ T6905] kobject_add_internal+0x5ac/0xc3c [ 231.639744][ T6905] kobject_init_and_add+0x124/0x190 [ 231.640717][ T6905] gfs2_sys_fs_add+0x200/0x41c [ 231.641600][ T6905] gfs2_fill_super+0xddc/0x1a18 [ 231.642429][ T6905] get_tree_bdev+0x358/0x544 [ 231.643177][ T6905] gfs2_get_tree+0x54/0x1b4 [ 231.643933][ T6905] vfs_get_tree+0x90/0x274 [ 231.644700][ T6905] do_new_mount+0x228/0x810 [ 231.645406][ T6905] path_mount+0x5bc/0x1008 [ 231.646129][ T6905] __arm64_sys_mount+0x514/0x5f0 [ 231.646927][ T6905] invoke_syscall+0x98/0x2b0 [ 231.647682][ T6905] el0_svc_common+0x138/0x258 [ 231.648459][ T6905] do_el0_svc+0x58/0x13c [ 231.649181][ T6905] el0_svc+0x78/0x1d0 [ 231.649829][ T6905] el0t_64_sync_handler+0xcc/0xe4 [ 231.650630][ T6905] el0t_64_sync+0x1a0/0x1a4 [ 231.653122][ T6905] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.655578][ T6905] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 231.911212][ T6908] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 231.912554][ T6908] CPU: 1 PID: 6908 Comm: syz.1.666 Not tainted syzkaller #0 [ 231.913739][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.915414][ T6908] Call trace: [ 231.915981][ T6908] dump_backtrace+0x0/0x458 [ 231.916761][ T6908] show_stack+0x2c/0x3c [ 231.917462][ T6908] __dump_stack+0x30/0x40 [ 231.918190][ T6908] dump_stack_lvl+0xf4/0x15c [ 231.918945][ T6908] dump_stack+0x1c/0x5c [ 231.919619][ T6908] sysfs_create_dir_ns+0x244/0x264 [ 231.920445][ T6908] kobject_add_internal+0x5ac/0xc3c [ 231.921248][ T6908] kobject_init_and_add+0x124/0x190 [ 231.922124][ T6908] gfs2_sys_fs_add+0x200/0x41c [ 231.922920][ T6908] gfs2_fill_super+0xddc/0x1a18 [ 231.923738][ T6908] get_tree_bdev+0x358/0x544 [ 231.924484][ T6908] gfs2_get_tree+0x54/0x1b4 [ 231.925206][ T6908] vfs_get_tree+0x90/0x274 [ 231.925961][ T6908] do_new_mount+0x228/0x810 [ 231.926689][ T6908] path_mount+0x5bc/0x1008 [ 231.927462][ T6908] __arm64_sys_mount+0x514/0x5f0 [ 231.928354][ T6908] invoke_syscall+0x98/0x2b0 [ 231.929163][ T6908] el0_svc_common+0x138/0x258 [ 231.929989][ T6908] do_el0_svc+0x58/0x13c [ 231.930695][ T6908] el0_svc+0x78/0x1d0 [ 231.931325][ T6908] el0t_64_sync_handler+0xcc/0xe4 [ 231.932203][ T6908] el0t_64_sync+0x1a0/0x1a4 [ 231.934375][ T6908] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.936621][ T6908] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.081757][ T6911] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.082959][ T6911] CPU: 0 PID: 6911 Comm: syz.1.667 Not tainted syzkaller #0 [ 232.084089][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.085693][ T6911] Call trace: [ 232.086223][ T6911] dump_backtrace+0x0/0x458 [ 232.086991][ T6911] show_stack+0x2c/0x3c [ 232.087709][ T6911] __dump_stack+0x30/0x40 [ 232.088459][ T6911] dump_stack_lvl+0xf4/0x15c [ 232.089221][ T6911] dump_stack+0x1c/0x5c [ 232.089956][ T6911] sysfs_create_dir_ns+0x244/0x264 [ 232.090846][ T6911] kobject_add_internal+0x5ac/0xc3c [ 232.091731][ T6911] kobject_init_and_add+0x124/0x190 [ 232.092716][ T6911] gfs2_sys_fs_add+0x200/0x41c [ 232.093531][ T6911] gfs2_fill_super+0xddc/0x1a18 [ 232.094373][ T6911] get_tree_bdev+0x358/0x544 [ 232.095215][ T6911] gfs2_get_tree+0x54/0x1b4 [ 232.095977][ T6911] vfs_get_tree+0x90/0x274 [ 232.096726][ T6911] do_new_mount+0x228/0x810 [ 232.097453][ T6911] path_mount+0x5bc/0x1008 [ 232.098145][ T6911] __arm64_sys_mount+0x514/0x5f0 [ 232.098873][ T6911] invoke_syscall+0x98/0x2b0 [ 232.099591][ T6911] el0_svc_common+0x138/0x258 [ 232.100329][ T6911] do_el0_svc+0x58/0x13c [ 232.101066][ T6911] el0_svc+0x78/0x1d0 [ 232.101746][ T6911] el0t_64_sync_handler+0xcc/0xe4 [ 232.102569][ T6911] el0t_64_sync+0x1a0/0x1a4 [ 232.104914][ T6911] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.107075][ T6911] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.300212][ T6914] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.301569][ T6914] CPU: 1 PID: 6914 Comm: syz.1.668 Not tainted syzkaller #0 [ 232.302725][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.304456][ T6914] Call trace: [ 232.305012][ T6914] dump_backtrace+0x0/0x458 [ 232.305743][ T6914] show_stack+0x2c/0x3c [ 232.306519][ T6914] __dump_stack+0x30/0x40 [ 232.307251][ T6914] dump_stack_lvl+0xf4/0x15c [ 232.308032][ T6914] dump_stack+0x1c/0x5c [ 232.308745][ T6914] sysfs_create_dir_ns+0x244/0x264 [ 232.309643][ T6914] kobject_add_internal+0x5ac/0xc3c [ 232.310549][ T6914] kobject_init_and_add+0x124/0x190 [ 232.311386][ T6914] gfs2_sys_fs_add+0x200/0x41c [ 232.312138][ T6914] gfs2_fill_super+0xddc/0x1a18 [ 232.312996][ T6914] get_tree_bdev+0x358/0x544 [ 232.313824][ T6914] gfs2_get_tree+0x54/0x1b4 [ 232.314629][ T6914] vfs_get_tree+0x90/0x274 [ 232.315387][ T6914] do_new_mount+0x228/0x810 [ 232.316141][ T6914] path_mount+0x5bc/0x1008 [ 232.316916][ T6914] __arm64_sys_mount+0x514/0x5f0 [ 232.317748][ T6914] invoke_syscall+0x98/0x2b0 [ 232.318534][ T6914] el0_svc_common+0x138/0x258 [ 232.319286][ T6914] do_el0_svc+0x58/0x13c [ 232.319919][ T6914] el0_svc+0x78/0x1d0 [ 232.320508][ T6914] el0t_64_sync_handler+0xcc/0xe4 [ 232.321328][ T6914] el0t_64_sync+0x1a0/0x1a4 [ 232.323293][ T6914] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.325638][ T6914] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.475965][ T6917] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.477180][ T6917] CPU: 0 PID: 6917 Comm: syz.1.669 Not tainted syzkaller #0 [ 232.478416][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.480085][ T6917] Call trace: [ 232.480630][ T6917] dump_backtrace+0x0/0x458 [ 232.481376][ T6917] show_stack+0x2c/0x3c [ 232.482061][ T6917] __dump_stack+0x30/0x40 [ 232.482815][ T6917] dump_stack_lvl+0xf4/0x15c [ 232.483596][ T6917] dump_stack+0x1c/0x5c [ 232.484312][ T6917] sysfs_create_dir_ns+0x244/0x264 [ 232.485143][ T6917] kobject_add_internal+0x5ac/0xc3c [ 232.486025][ T6917] kobject_init_and_add+0x124/0x190 [ 232.486903][ T6917] gfs2_sys_fs_add+0x200/0x41c [ 232.487711][ T6917] gfs2_fill_super+0xddc/0x1a18 [ 232.488624][ T6917] get_tree_bdev+0x358/0x544 [ 232.489435][ T6917] gfs2_get_tree+0x54/0x1b4 [ 232.490202][ T6917] vfs_get_tree+0x90/0x274 [ 232.490920][ T6917] do_new_mount+0x228/0x810 [ 232.491629][ T6917] path_mount+0x5bc/0x1008 [ 232.492312][ T6917] __arm64_sys_mount+0x514/0x5f0 [ 232.493040][ T6917] invoke_syscall+0x98/0x2b0 [ 232.493830][ T6917] el0_svc_common+0x138/0x258 [ 232.494605][ T6917] do_el0_svc+0x58/0x13c [ 232.495274][ T6917] el0_svc+0x78/0x1d0 [ 232.495920][ T6917] el0t_64_sync_handler+0xcc/0xe4 [ 232.496791][ T6917] el0t_64_sync+0x1a0/0x1a4 [ 232.497701][ T6917] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.499900][ T6917] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.644589][ T6920] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.646012][ T6920] CPU: 1 PID: 6920 Comm: syz.1.670 Not tainted syzkaller #0 [ 232.647197][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.648894][ T6920] Call trace: [ 232.649383][ T6920] dump_backtrace+0x0/0x458 [ 232.650076][ T6920] show_stack+0x2c/0x3c [ 232.650726][ T6920] __dump_stack+0x30/0x40 [ 232.651406][ T6920] dump_stack_lvl+0xf4/0x15c [ 232.652084][ T6920] dump_stack+0x1c/0x5c [ 232.652713][ T6920] sysfs_create_dir_ns+0x244/0x264 [ 232.653501][ T6920] kobject_add_internal+0x5ac/0xc3c [ 232.654277][ T6920] kobject_init_and_add+0x124/0x190 [ 232.655049][ T6920] gfs2_sys_fs_add+0x200/0x41c [ 232.655732][ T6920] gfs2_fill_super+0xddc/0x1a18 [ 232.656460][ T6920] get_tree_bdev+0x358/0x544 [ 232.657108][ T6920] gfs2_get_tree+0x54/0x1b4 [ 232.657744][ T6920] vfs_get_tree+0x90/0x274 [ 232.658483][ T6920] do_new_mount+0x228/0x810 [ 232.659213][ T6920] path_mount+0x5bc/0x1008 [ 232.659924][ T6920] __arm64_sys_mount+0x514/0x5f0 [ 232.660714][ T6920] invoke_syscall+0x98/0x2b0 [ 232.661430][ T6920] el0_svc_common+0x138/0x258 [ 232.662098][ T6920] do_el0_svc+0x58/0x13c [ 232.662747][ T6920] el0_svc+0x78/0x1d0 [ 232.663353][ T6920] el0t_64_sync_handler+0xcc/0xe4 [ 232.664117][ T6920] el0t_64_sync+0x1a0/0x1a4 [ 232.668114][ T6920] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.670126][ T6920] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 232.845428][ T6923] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 232.846573][ T6923] CPU: 1 PID: 6923 Comm: syz.1.671 Not tainted syzkaller #0 [ 232.847776][ T6923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.849443][ T6923] Call trace: [ 232.850023][ T6923] dump_backtrace+0x0/0x458 [ 232.850704][ T6923] show_stack+0x2c/0x3c [ 232.851313][ T6923] __dump_stack+0x30/0x40 [ 232.851968][ T6923] dump_stack_lvl+0xf4/0x15c [ 232.852694][ T6923] dump_stack+0x1c/0x5c [ 232.853290][ T6923] sysfs_create_dir_ns+0x244/0x264 [ 232.854058][ T6923] kobject_add_internal+0x5ac/0xc3c [ 232.854821][ T6923] kobject_init_and_add+0x124/0x190 [ 232.855633][ T6923] gfs2_sys_fs_add+0x200/0x41c [ 232.856380][ T6923] gfs2_fill_super+0xddc/0x1a18 [ 232.857144][ T6923] get_tree_bdev+0x358/0x544 [ 232.857879][ T6923] gfs2_get_tree+0x54/0x1b4 [ 232.858604][ T6923] vfs_get_tree+0x90/0x274 [ 232.859373][ T6923] do_new_mount+0x228/0x810 [ 232.860136][ T6923] path_mount+0x5bc/0x1008 [ 232.860907][ T6923] __arm64_sys_mount+0x514/0x5f0 [ 232.861772][ T6923] invoke_syscall+0x98/0x2b0 [ 232.862586][ T6923] el0_svc_common+0x138/0x258 [ 232.863345][ T6923] do_el0_svc+0x58/0x13c [ 232.864034][ T6923] el0_svc+0x78/0x1d0 [ 232.864717][ T6923] el0t_64_sync_handler+0xcc/0xe4 [ 232.865601][ T6923] el0t_64_sync+0x1a0/0x1a4 [ 232.868255][ T6923] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.870263][ T6923] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 233.171571][ T6926] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 233.172848][ T6926] CPU: 1 PID: 6926 Comm: syz.1.672 Not tainted syzkaller #0 [ 233.173976][ T6926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 233.175536][ T6926] Call trace: [ 233.176082][ T6926] dump_backtrace+0x0/0x458 [ 233.176816][ T6926] show_stack+0x2c/0x3c [ 233.177517][ T6926] __dump_stack+0x30/0x40 [ 233.178264][ T6926] dump_stack_lvl+0xf4/0x15c [ 233.179021][ T6926] dump_stack+0x1c/0x5c [ 233.179698][ T6926] sysfs_create_dir_ns+0x244/0x264 [ 233.180537][ T6926] kobject_add_internal+0x5ac/0xc3c [ 233.181408][ T6926] kobject_init_and_add+0x124/0x190 [ 233.182293][ T6926] gfs2_sys_fs_add+0x200/0x41c [ 233.183073][ T6926] gfs2_fill_super+0xddc/0x1a18 [ 233.183873][ T6926] get_tree_bdev+0x358/0x544 [ 233.184618][ T6926] gfs2_get_tree+0x54/0x1b4 [ 233.185322][ T6926] vfs_get_tree+0x90/0x274 [ 233.186027][ T6926] do_new_mount+0x228/0x810 [ 233.186746][ T6926] path_mount+0x5bc/0x1008 [ 233.187513][ T6926] __arm64_sys_mount+0x514/0x5f0 [ 233.188300][ T6926] invoke_syscall+0x98/0x2b0 [ 233.189046][ T6926] el0_svc_common+0x138/0x258 [ 233.189773][ T6926] do_el0_svc+0x58/0x13c [ 233.190456][ T6926] el0_svc+0x78/0x1d0 [ 233.191069][ T6926] el0t_64_sync_handler+0xcc/0xe4 [ 233.191877][ T6926] el0t_64_sync+0x1a0/0x1a4 [ 233.194391][ T6926] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.196429][ T6926] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 233.338241][ T6929] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 233.339549][ T6929] CPU: 0 PID: 6929 Comm: syz.1.673 Not tainted syzkaller #0 [ 233.340763][ T6929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 233.342416][ T6929] Call trace: [ 233.342972][ T6929] dump_backtrace+0x0/0x458 [ 233.343640][ T6929] show_stack+0x2c/0x3c [ 233.344244][ T6929] __dump_stack+0x30/0x40 [ 233.344930][ T6929] dump_stack_lvl+0xf4/0x15c [ 233.345637][ T6929] dump_stack+0x1c/0x5c [ 233.346370][ T6929] sysfs_create_dir_ns+0x244/0x264 [ 233.347249][ T6929] kobject_add_internal+0x5ac/0xc3c [ 233.348130][ T6929] kobject_init_and_add+0x124/0x190 [ 233.349034][ T6929] gfs2_sys_fs_add+0x200/0x41c [ 233.349827][ T6929] gfs2_fill_super+0xddc/0x1a18 [ 233.350572][ T6929] get_tree_bdev+0x358/0x544 [ 233.351278][ T6929] gfs2_get_tree+0x54/0x1b4 [ 233.352006][ T6929] vfs_get_tree+0x90/0x274 [ 233.352693][ T6929] do_new_mount+0x228/0x810 [ 233.353422][ T6929] path_mount+0x5bc/0x1008 [ 233.354170][ T6929] __arm64_sys_mount+0x514/0x5f0 [ 233.354980][ T6929] invoke_syscall+0x98/0x2b0 [ 233.355745][ T6929] el0_svc_common+0x138/0x258 [ 233.356578][ T6929] do_el0_svc+0x58/0x13c [ 233.357296][ T6929] el0_svc+0x78/0x1d0 [ 233.357969][ T6929] el0t_64_sync_handler+0xcc/0xe4 [ 233.358766][ T6929] el0t_64_sync+0x1a0/0x1a4 [ 233.359592][ T6929] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.361651][ T6929] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 233.455310][ T27] INFO: task syz-executor:4709 blocked for more than 143 seconds. [ 233.456786][ T27] Not tainted syzkaller #0 [ 233.457595][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.458956][ T27] task:syz-executor state:D stack: 0 pid: 4709 ppid: 1 flags:0x00000001 [ 233.460550][ T27] Call trace: [ 233.461054][ T27] __switch_to+0x2f4/0x540 [ 233.461787][ T27] __schedule+0xdfc/0x1bc4 [ 233.462496][ T27] schedule+0x11c/0x1c8 [ 233.463228][ T27] bit_wait+0x1c/0xac [ 233.463944][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 233.465872][ T27] gfs2_glock_nq+0x8f8/0x1404 [ 233.466571][ T27] __gfs2_lookup+0x120/0x28c [ 233.467300][ T27] gfs2_lookup+0x2c/0x3c [ 233.467995][ T27] __lookup_slow+0x25c/0x39c [ 233.468710][ T27] lookup_slow+0x5c/0x80 [ 233.469398][ T27] walk_component+0x2b0/0x3a8 [ 233.470153][ T27] path_lookupat+0x13c/0x3d0 [ 233.470840][ T27] filename_lookup+0x1b4/0x464 [ 233.471600][ T27] user_path_at_empty+0x5c/0x1a0 [ 233.472421][ T27] __arm64_sys_umount+0xf8/0x184 [ 233.473197][ T27] invoke_syscall+0x98/0x2b0 [ 233.473904][ T27] el0_svc_common+0x138/0x258 [ 233.474663][ T27] do_el0_svc+0x58/0x13c [ 233.476129][ T27] el0_svc+0x78/0x1d0 [ 233.476766][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 233.477560][ T27] el0t_64_sync+0x1a0/0x1a4 [ 233.478358][ T27] [ 233.478358][ T27] Showing all locks held in the system: [ 233.479549][ T27] 1 lock held by khungtaskd/27: [ 233.480306][ T27] #0: ffff800014471360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 233.481805][ T27] 2 locks held by getty/3803: [ 233.482563][ T27] #0: ffff0000d4e3c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 233.484122][ T27] #1: ffff80001be7e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 233.486419][ T27] 1 lock held by syz-executor/4709: [ 233.487595][ T27] #0: ffff0000f18c8818 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 233.489145][ T27] 2 locks held by syz.1.674/6932: [ 233.489931][ T27] [ 233.490295][ T27] ============================================= [ 233.490295][ T27] [ 233.491613][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 233.492595][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 233.493648][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 233.495235][ T27] Call trace: [ 233.495773][ T27] dump_backtrace+0x0/0x458 [ 233.496500][ T27] show_stack+0x2c/0x3c [ 233.497183][ T27] __dump_stack+0x30/0x40 [ 233.497896][ T27] dump_stack_lvl+0xf4/0x15c [ 233.498671][ T27] dump_stack+0x1c/0x5c [ 233.499340][ T27] panic+0x2fc/0x860 [ 233.499985][ T27] hung_task_panic+0x0/0x2c [ 233.500741][ T27] kthread+0x374/0x454 [ 233.501369][ T27] ret_from_fork+0x10/0x20 [ 233.502012][ T27] SMP: stopping secondary CPUs [ 233.502818][ T27] Kernel Offset: disabled [ 233.503456][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 233.504259][ T27] Memory Limit: none [ 233.843458][ T27] Rebooting in 86400 seconds..