[ T6294] Call trace: [ 188.230090][ T6294] dump_backtrace+0x0/0x458 [ 188.230982][ T6294] show_stack+0x2c/0x3c [ 188.231820][ T6294] __dump_stack+0x30/0x40 [ 188.232670][ T6294] dump_stack_lvl+0xf4/0x15c [ 188.233619][ T6294] dump_stack+0x1c/0x5c [ 188.234482][ T6294] sysfs_create_dir_ns+0x244/0x264 [ 188.235528][ T6294] kobject_add_internal+0x594/0xc2c [ 188.236612][ T6294] kobject_init_and_add+0x128/0x194 [ 188.237713][ T6294] gfs2_sys_fs_add+0x208/0x428 [ 188.238834][ T6294] gfs2_fill_super+0xe20/0x1a9c [ 188.239898][ T6294] get_tree_bdev+0x35c/0x54c [ 188.240916][ T6294] gfs2_get_tree+0x58/0x1b8 [ 188.241821][ T6294] vfs_get_tree+0x90/0x278 [ 188.242816][ T6294] do_new_mount+0x228/0x818 [ 188.243781][ T6294] path_mount+0x57c/0xfe8 [ 188.244758][ T6294] __arm64_sys_mount+0x488/0x5f8 [ 188.245733][ T6294] invoke_syscall+0x98/0x28c [ 188.246754][ T6294] el0_svc_common+0x13c/0x258 [ 188.247797][ T6294] do_el0_svc+0x5c/0x140 [ 188.248689][ T6294] el0_svc+0x78/0x1d4 [ 188.249586][ T6294] el0t_64_sync_handler+0xcc/0xe4 [ 188.250627][ T6294] el0t_64_sync+0x1a0/0x1a4 [ 188.252095][ T6294] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 188.254775][ T6294] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 188.393685][ T6297] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 188.395203][ T6297] CPU: 1 PID: 6297 Comm: syz.1.473 Not tainted syzkaller #0 [ 188.396674][ T6297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 188.398550][ T6297] Call trace: [ 188.399126][ T6297] dump_backtrace+0x0/0x458 [ 188.399948][ T6297] show_stack+0x2c/0x3c [ 188.400674][ T6297] __dump_stack+0x30/0x40 [ 188.401402][ T6297] dump_stack_lvl+0xf4/0x15c [ 188.402207][ T6297] dump_stack+0x1c/0x5c [ 188.403014][ T6297] sysfs_create_dir_ns+0x244/0x264 [ 188.403974][ T6297] kobject_add_internal+0x594/0xc2c [ 188.404989][ T6297] kobject_init_and_add+0x128/0x194 [ 188.406067][ T6297] gfs2_sys_fs_add+0x208/0x428 [ 188.406980][ T6297] gfs2_fill_super+0xe20/0x1a9c [ 188.407964][ T6297] get_tree_bdev+0x35c/0x54c [ 188.408970][ T6297] gfs2_get_tree+0x58/0x1b8 [ 188.409988][ T6297] vfs_get_tree+0x90/0x278 [ 188.410908][ T6297] do_new_mount+0x228/0x818 [ 188.411821][ T6297] path_mount+0x57c/0xfe8 [ 188.412647][ T6297] __arm64_sys_mount+0x488/0x5f8 [ 188.413595][ T6297] invoke_syscall+0x98/0x28c [ 188.414479][ T6297] el0_svc_common+0x13c/0x258 [ 188.415382][ T6297] do_el0_svc+0x5c/0x140 [ 188.416201][ T6297] el0_svc+0x78/0x1d4 [ 188.416977][ T6297] el0t_64_sync_handler+0xcc/0xe4 [ 188.418040][ T6297] el0t_64_sync+0x1a0/0x1a4 [ 188.422013][ T6297] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 188.424460][ T6297] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 188.614139][ T6300] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 188.615508][ T6300] CPU: 1 PID: 6300 Comm: syz.1.474 Not tainted syzkaller #0 [ 188.616911][ T6300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 188.618804][ T6300] Call trace: [ 188.619414][ T6300] dump_backtrace+0x0/0x458 [ 188.620249][ T6300] show_stack+0x2c/0x3c [ 188.621102][ T6300] __dump_stack+0x30/0x40 [ 188.621925][ T6300] dump_stack_lvl+0xf4/0x15c [ 188.622918][ T6300] dump_stack+0x1c/0x5c [ 188.623827][ T6300] sysfs_create_dir_ns+0x244/0x264 [ 188.624891][ T6300] kobject_add_internal+0x594/0xc2c [ 188.625933][ T6300] kobject_init_and_add+0x128/0x194 [ 188.626947][ T6300] gfs2_sys_fs_add+0x208/0x428 [ 188.627869][ T6300] gfs2_fill_super+0xe20/0x1a9c [ 188.628808][ T6300] get_tree_bdev+0x35c/0x54c [ 188.629795][ T6300] gfs2_get_tree+0x58/0x1b8 [ 188.630726][ T6300] vfs_get_tree+0x90/0x278 [ 188.631704][ T6300] do_new_mount+0x228/0x818 [ 188.632718][ T6300] path_mount+0x57c/0xfe8 [ 188.633591][ T6300] __arm64_sys_mount+0x488/0x5f8 [ 188.634612][ T6300] invoke_syscall+0x98/0x28c [ 188.635564][ T6300] el0_svc_common+0x13c/0x258 [ 188.636607][ T6300] do_el0_svc+0x5c/0x140 [ 188.637444][ T6300] el0_svc+0x78/0x1d4 [ 188.639418][ T6300] el0t_64_sync_handler+0xcc/0xe4 [ 188.640483][ T6300] el0t_64_sync+0x1a0/0x1a4 [ 188.641778][ T6300] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 188.644280][ T6300] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 188.814614][ T6303] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 188.816007][ T6303] CPU: 1 PID: 6303 Comm: syz.1.475 Not tainted syzkaller #0 [ 188.817418][ T6303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 188.819357][ T6303] Call trace: [ 188.820038][ T6303] dump_backtrace+0x0/0x458 [ 188.821023][ T6303] show_stack+0x2c/0x3c [ 188.821869][ T6303] __dump_stack+0x30/0x40 [ 188.822781][ T6303] dump_stack_lvl+0xf4/0x15c [ 188.823719][ T6303] dump_stack+0x1c/0x5c [ 188.824584][ T6303] sysfs_create_dir_ns+0x244/0x264 [ 188.825601][ T6303] kobject_add_internal+0x594/0xc2c [ 188.826651][ T6303] kobject_init_and_add+0x128/0x194 [ 188.827684][ T6303] gfs2_sys_fs_add+0x208/0x428 [ 188.828610][ T6303] gfs2_fill_super+0xe20/0x1a9c [ 188.829707][ T6303] get_tree_bdev+0x35c/0x54c [ 188.830710][ T6303] gfs2_get_tree+0x58/0x1b8 [ 188.831727][ T6303] vfs_get_tree+0x90/0x278 [ 188.832712][ T6303] do_new_mount+0x228/0x818 [ 188.833610][ T6303] path_mount+0x57c/0xfe8 [ 188.834525][ T6303] __arm64_sys_mount+0x488/0x5f8 [ 188.835530][ T6303] invoke_syscall+0x98/0x28c [ 188.836483][ T6303] el0_svc_common+0x13c/0x258 [ 188.837445][ T6303] do_el0_svc+0x5c/0x140 [ 188.838396][ T6303] el0_svc+0x78/0x1d4 [ 188.839339][ T6303] el0t_64_sync_handler+0xcc/0xe4 [ 188.840418][ T6303] el0t_64_sync+0x1a0/0x1a4 [ 188.842045][ T6303] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 188.844915][ T6303] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 188.986725][ T6306] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 188.988246][ T6306] CPU: 0 PID: 6306 Comm: syz.1.476 Not tainted syzkaller #0 [ 188.989757][ T6306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 188.991611][ T6306] Call trace: [ 188.992267][ T6306] dump_backtrace+0x0/0x458 [ 188.993091][ T6306] show_stack+0x2c/0x3c [ 188.993900][ T6306] __dump_stack+0x30/0x40 [ 188.994753][ T6306] dump_stack_lvl+0xf4/0x15c [ 188.995651][ T6306] dump_stack+0x1c/0x5c [ 188.996444][ T6306] sysfs_create_dir_ns+0x244/0x264 [ 188.997407][ T6306] kobject_add_internal+0x594/0xc2c [ 188.998480][ T6306] kobject_init_and_add+0x128/0x194 [ 188.999621][ T6306] gfs2_sys_fs_add+0x208/0x428 [ 189.000689][ T6306] gfs2_fill_super+0xe20/0x1a9c [ 189.001750][ T6306] get_tree_bdev+0x35c/0x54c [ 189.002672][ T6306] gfs2_get_tree+0x58/0x1b8 [ 189.003671][ T6306] vfs_get_tree+0x90/0x278 [ 189.004672][ T6306] do_new_mount+0x228/0x818 [ 189.005636][ T6306] path_mount+0x57c/0xfe8 [ 189.006573][ T6306] __arm64_sys_mount+0x488/0x5f8 [ 189.007638][ T6306] invoke_syscall+0x98/0x28c [ 189.008549][ T6306] el0_svc_common+0x13c/0x258 [ 189.009521][ T6306] do_el0_svc+0x5c/0x140 [ 189.010365][ T6306] el0_svc+0x78/0x1d4 [ 189.011235][ T6306] el0t_64_sync_handler+0xcc/0xe4 [ 189.012196][ T6306] el0t_64_sync+0x1a0/0x1a4 [ 189.014639][ T6306] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.016964][ T6306] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 189.227919][ T6309] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.229303][ T6309] CPU: 0 PID: 6309 Comm: syz.1.477 Not tainted syzkaller #0 [ 189.230627][ T6309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 189.232780][ T6309] Call trace: [ 189.233469][ T6309] dump_backtrace+0x0/0x458 [ 189.234366][ T6309] show_stack+0x2c/0x3c [ 189.235249][ T6309] __dump_stack+0x30/0x40 [ 189.236088][ T6309] dump_stack_lvl+0xf4/0x15c [ 189.237002][ T6309] dump_stack+0x1c/0x5c [ 189.237831][ T6309] sysfs_create_dir_ns+0x244/0x264 [ 189.238899][ T6309] kobject_add_internal+0x594/0xc2c [ 189.239987][ T6309] kobject_init_and_add+0x128/0x194 [ 189.241083][ T6309] gfs2_sys_fs_add+0x208/0x428 [ 189.242079][ T6309] gfs2_fill_super+0xe20/0x1a9c [ 189.243063][ T6309] get_tree_bdev+0x35c/0x54c [ 189.243999][ T6309] gfs2_get_tree+0x58/0x1b8 [ 189.244904][ T6309] vfs_get_tree+0x90/0x278 [ 189.245759][ T6309] do_new_mount+0x228/0x818 [ 189.246718][ T6309] path_mount+0x57c/0xfe8 [ 189.247604][ T6309] __arm64_sys_mount+0x488/0x5f8 [ 189.248678][ T6309] invoke_syscall+0x98/0x28c [ 189.249646][ T6309] el0_svc_common+0x13c/0x258 [ 189.250565][ T6309] do_el0_svc+0x5c/0x140 [ 189.251547][ T6309] el0_svc+0x78/0x1d4 [ 189.252421][ T6309] el0t_64_sync_handler+0xcc/0xe4 [ 189.253390][ T6309] el0t_64_sync+0x1a0/0x1a4 [ 189.254740][ T6309] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.257188][ T6309] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 189.469076][ T6312] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.470415][ T6312] CPU: 0 PID: 6312 Comm: syz.1.478 Not tainted syzkaller #0 [ 189.471727][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 189.473505][ T6312] Call trace: [ 189.474168][ T6312] dump_backtrace+0x0/0x458 [ 189.475143][ T6312] show_stack+0x2c/0x3c [ 189.476023][ T6312] __dump_stack+0x30/0x40 [ 189.476939][ T6312] dump_stack_lvl+0xf4/0x15c [ 189.477848][ T6312] dump_stack+0x1c/0x5c [ 189.478643][ T6312] sysfs_create_dir_ns+0x244/0x264 [ 189.479647][ T6312] kobject_add_internal+0x594/0xc2c [ 189.480678][ T6312] kobject_init_and_add+0x128/0x194 [ 189.481708][ T6312] gfs2_sys_fs_add+0x208/0x428 [ 189.482621][ T6312] gfs2_fill_super+0xe20/0x1a9c [ 189.483534][ T6312] get_tree_bdev+0x35c/0x54c [ 189.484453][ T6312] gfs2_get_tree+0x58/0x1b8 [ 189.485283][ T6312] vfs_get_tree+0x90/0x278 [ 189.486121][ T6312] do_new_mount+0x228/0x818 [ 189.486975][ T6312] path_mount+0x57c/0xfe8 [ 189.487960][ T6312] __arm64_sys_mount+0x488/0x5f8 [ 189.489052][ T6312] invoke_syscall+0x98/0x28c [ 189.490002][ T6312] el0_svc_common+0x13c/0x258 [ 189.490903][ T6312] do_el0_svc+0x5c/0x140 [ 189.491781][ T6312] el0_svc+0x78/0x1d4 [ 189.492591][ T6312] el0t_64_sync_handler+0xcc/0xe4 [ 189.493482][ T6312] el0t_64_sync+0x1a0/0x1a4 [ 189.495836][ T6312] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.498040][ T6312] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 189.679235][ T6315] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.680617][ T6315] CPU: 1 PID: 6315 Comm: syz.1.479 Not tainted syzkaller #0 [ 189.681975][ T6315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 189.683976][ T6315] Call trace: [ 189.684702][ T6315] dump_backtrace+0x0/0x458 [ 189.685644][ T6315] show_stack+0x2c/0x3c [ 189.686528][ T6315] __dump_stack+0x30/0x40 [ 189.687420][ T6315] dump_stack_lvl+0xf4/0x15c [ 189.688345][ T6315] dump_stack+0x1c/0x5c [ 189.689192][ T6315] sysfs_create_dir_ns+0x244/0x264 [ 189.690215][ T6315] kobject_add_internal+0x594/0xc2c [ 189.691272][ T6315] kobject_init_and_add+0x128/0x194 [ 189.692400][ T6315] gfs2_sys_fs_add+0x208/0x428 [ 189.693457][ T6315] gfs2_fill_super+0xe20/0x1a9c [ 189.694454][ T6315] get_tree_bdev+0x35c/0x54c [ 189.695332][ T6315] gfs2_get_tree+0x58/0x1b8 [ 189.696229][ T6315] vfs_get_tree+0x90/0x278 [ 189.697158][ T6315] do_new_mount+0x228/0x818 [ 189.698111][ T6315] path_mount+0x57c/0xfe8 [ 189.699029][ T6315] __arm64_sys_mount+0x488/0x5f8 [ 189.700081][ T6315] invoke_syscall+0x98/0x28c [ 189.701103][ T6315] el0_svc_common+0x13c/0x258 [ 189.702148][ T6315] do_el0_svc+0x5c/0x140 [ 189.703059][ T6315] el0_svc+0x78/0x1d4 [ 189.703885][ T6315] el0t_64_sync_handler+0xcc/0xe4 [ 189.704899][ T6315] el0t_64_sync+0x1a0/0x1a4 [ 189.706049][ T6315] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.708878][ T6315] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:09 executed programs: 466 [ 189.873777][ T6318] set_capacity_and_notify: 14 callbacks suppressed [ 189.873787][ T6318] loop1: detected capacity change from 0 to 32768 [ 189.882850][ T6318] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 189.884519][ T6318] CPU: 0 PID: 6318 Comm: syz.1.480 Not tainted syzkaller #0 [ 189.886043][ T6318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 189.887911][ T6318] Call trace: [ 189.888478][ T6318] dump_backtrace+0x0/0x458 [ 189.889370][ T6318] show_stack+0x2c/0x3c [ 189.890194][ T6318] __dump_stack+0x30/0x40 [ 189.891089][ T6318] dump_stack_lvl+0xf4/0x15c [ 189.891978][ T6318] dump_stack+0x1c/0x5c [ 189.892826][ T6318] sysfs_create_dir_ns+0x244/0x264 [ 189.893853][ T6318] kobject_add_internal+0x594/0xc2c [ 189.895052][ T6318] kobject_init_and_add+0x128/0x194 [ 189.896130][ T6318] gfs2_sys_fs_add+0x208/0x428 [ 189.897111][ T6318] gfs2_fill_super+0xe20/0x1a9c [ 189.898145][ T6318] get_tree_bdev+0x35c/0x54c [ 189.899093][ T6318] gfs2_get_tree+0x58/0x1b8 [ 189.900070][ T6318] vfs_get_tree+0x90/0x278 [ 189.901037][ T6318] do_new_mount+0x228/0x818 [ 189.901842][ T6318] path_mount+0x57c/0xfe8 [ 189.902585][ T6318] __arm64_sys_mount+0x488/0x5f8 [ 189.903490][ T6318] invoke_syscall+0x98/0x28c [ 189.904472][ T6318] el0_svc_common+0x13c/0x258 [ 189.905523][ T6318] do_el0_svc+0x5c/0x140 [ 189.906380][ T6318] el0_svc+0x78/0x1d4 [ 189.907245][ T6318] el0t_64_sync_handler+0xcc/0xe4 [ 189.908149][ T6318] el0t_64_sync+0x1a0/0x1a4 [ 189.909772][ T6318] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 189.911967][ T6318] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.055580][ T6321] loop1: detected capacity change from 0 to 32768 [ 190.104111][ T6321] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.105699][ T6321] CPU: 1 PID: 6321 Comm: syz.1.481 Not tainted syzkaller #0 [ 190.107267][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 190.109166][ T6321] Call trace: [ 190.109787][ T6321] dump_backtrace+0x0/0x458 [ 190.110620][ T6321] show_stack+0x2c/0x3c [ 190.111457][ T6321] __dump_stack+0x30/0x40 [ 190.112227][ T6321] dump_stack_lvl+0xf4/0x15c [ 190.113146][ T6321] dump_stack+0x1c/0x5c [ 190.114024][ T6321] sysfs_create_dir_ns+0x244/0x264 [ 190.115084][ T6321] kobject_add_internal+0x594/0xc2c [ 190.116173][ T6321] kobject_init_and_add+0x128/0x194 [ 190.117293][ T6321] gfs2_sys_fs_add+0x208/0x428 [ 190.118270][ T6321] gfs2_fill_super+0xe20/0x1a9c [ 190.119252][ T6321] get_tree_bdev+0x35c/0x54c [ 190.120178][ T6321] gfs2_get_tree+0x58/0x1b8 [ 190.121057][ T6321] vfs_get_tree+0x90/0x278 [ 190.121918][ T6321] do_new_mount+0x228/0x818 [ 190.122892][ T6321] path_mount+0x57c/0xfe8 [ 190.123848][ T6321] __arm64_sys_mount+0x488/0x5f8 [ 190.124910][ T6321] invoke_syscall+0x98/0x28c [ 190.125855][ T6321] el0_svc_common+0x13c/0x258 [ 190.126888][ T6321] do_el0_svc+0x5c/0x140 [ 190.127767][ T6321] el0_svc+0x78/0x1d4 [ 190.128690][ T6321] el0t_64_sync_handler+0xcc/0xe4 [ 190.129802][ T6321] el0t_64_sync+0x1a0/0x1a4 [ 190.131263][ T6321] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.133864][ T6321] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.271452][ T6324] loop1: detected capacity change from 0 to 32768 [ 190.278533][ T6324] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.279864][ T6324] CPU: 0 PID: 6324 Comm: syz.1.482 Not tainted syzkaller #0 [ 190.281193][ T6324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 190.283003][ T6324] Call trace: [ 190.283661][ T6324] dump_backtrace+0x0/0x458 [ 190.284659][ T6324] show_stack+0x2c/0x3c [ 190.285489][ T6324] __dump_stack+0x30/0x40 [ 190.286382][ T6324] dump_stack_lvl+0xf4/0x15c [ 190.287353][ T6324] dump_stack+0x1c/0x5c [ 190.288174][ T6324] sysfs_create_dir_ns+0x244/0x264 [ 190.289199][ T6324] kobject_add_internal+0x594/0xc2c [ 190.290247][ T6324] kobject_init_and_add+0x128/0x194 [ 190.291245][ T6324] gfs2_sys_fs_add+0x208/0x428 [ 190.292223][ T6324] gfs2_fill_super+0xe20/0x1a9c [ 190.293281][ T6324] get_tree_bdev+0x35c/0x54c [ 190.294150][ T6324] gfs2_get_tree+0x58/0x1b8 [ 190.295055][ T6324] vfs_get_tree+0x90/0x278 [ 190.295896][ T6324] do_new_mount+0x228/0x818 [ 190.296781][ T6324] path_mount+0x57c/0xfe8 [ 190.297635][ T6324] __arm64_sys_mount+0x488/0x5f8 [ 190.298577][ T6324] invoke_syscall+0x98/0x28c [ 190.299484][ T6324] el0_svc_common+0x13c/0x258 [ 190.300439][ T6324] do_el0_svc+0x5c/0x140 [ 190.301245][ T6324] el0_svc+0x78/0x1d4 [ 190.302188][ T6324] el0t_64_sync_handler+0xcc/0xe4 [ 190.303275][ T6324] el0t_64_sync+0x1a0/0x1a4 [ 190.305544][ T6324] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.308121][ T6324] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.445182][ T6327] loop1: detected capacity change from 0 to 32768 [ 190.494104][ T6327] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.495580][ T6327] CPU: 1 PID: 6327 Comm: syz.1.483 Not tainted syzkaller #0 [ 190.497036][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 190.498778][ T6327] Call trace: [ 190.499364][ T6327] dump_backtrace+0x0/0x458 [ 190.500132][ T6327] show_stack+0x2c/0x3c [ 190.500848][ T6327] __dump_stack+0x30/0x40 [ 190.501619][ T6327] dump_stack_lvl+0xf4/0x15c [ 190.502397][ T6327] dump_stack+0x1c/0x5c [ 190.503066][ T6327] sysfs_create_dir_ns+0x244/0x264 [ 190.503966][ T6327] kobject_add_internal+0x594/0xc2c [ 190.504936][ T6327] kobject_init_and_add+0x128/0x194 [ 190.505984][ T6327] gfs2_sys_fs_add+0x208/0x428 [ 190.506981][ T6327] gfs2_fill_super+0xe20/0x1a9c [ 190.508050][ T6327] get_tree_bdev+0x35c/0x54c [ 190.508918][ T6327] gfs2_get_tree+0x58/0x1b8 [ 190.509784][ T6327] vfs_get_tree+0x90/0x278 [ 190.510696][ T6327] do_new_mount+0x228/0x818 [ 190.511708][ T6327] path_mount+0x57c/0xfe8 [ 190.512691][ T6327] __arm64_sys_mount+0x488/0x5f8 [ 190.513720][ T6327] invoke_syscall+0x98/0x28c [ 190.514709][ T6327] el0_svc_common+0x13c/0x258 [ 190.515661][ T6327] do_el0_svc+0x5c/0x140 [ 190.516592][ T6327] el0_svc+0x78/0x1d4 [ 190.517473][ T6327] el0t_64_sync_handler+0xcc/0xe4 [ 190.518566][ T6327] el0t_64_sync+0x1a0/0x1a4 [ 190.520193][ T6327] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.522418][ T6327] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.659775][ T6330] loop1: detected capacity change from 0 to 32768 [ 190.667286][ T6330] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.668577][ T6330] CPU: 0 PID: 6330 Comm: syz.1.484 Not tainted syzkaller #0 [ 190.669850][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 190.671786][ T6330] Call trace: [ 190.672367][ T6330] dump_backtrace+0x0/0x458 [ 190.673277][ T6330] show_stack+0x2c/0x3c [ 190.674148][ T6330] __dump_stack+0x30/0x40 [ 190.675099][ T6330] dump_stack_lvl+0xf4/0x15c [ 190.676171][ T6330] dump_stack+0x1c/0x5c [ 190.677125][ T6330] sysfs_create_dir_ns+0x244/0x264 [ 190.678265][ T6330] kobject_add_internal+0x594/0xc2c [ 190.679406][ T6330] kobject_init_and_add+0x128/0x194 [ 190.680480][ T6330] gfs2_sys_fs_add+0x208/0x428 [ 190.681506][ T6330] gfs2_fill_super+0xe20/0x1a9c [ 190.682511][ T6330] get_tree_bdev+0x35c/0x54c [ 190.683425][ T6330] gfs2_get_tree+0x58/0x1b8 [ 190.684333][ T6330] vfs_get_tree+0x90/0x278 [ 190.685265][ T6330] do_new_mount+0x228/0x818 [ 190.686219][ T6330] path_mount+0x57c/0xfe8 [ 190.687159][ T6330] __arm64_sys_mount+0x488/0x5f8 [ 190.688237][ T6330] invoke_syscall+0x98/0x28c [ 190.689188][ T6330] el0_svc_common+0x13c/0x258 [ 190.690173][ T6330] do_el0_svc+0x5c/0x140 [ 190.691059][ T6330] el0_svc+0x78/0x1d4 [ 190.691827][ T6330] el0t_64_sync_handler+0xcc/0xe4 [ 190.692807][ T6330] el0t_64_sync+0x1a0/0x1a4 [ 190.696350][ T6330] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.698583][ T6330] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 190.835578][ T6333] loop1: detected capacity change from 0 to 32768 [ 190.938044][ T6333] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 190.939429][ T6333] CPU: 0 PID: 6333 Comm: syz.1.485 Not tainted syzkaller #0 [ 190.940849][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 190.942805][ T6333] Call trace: [ 190.943408][ T6333] dump_backtrace+0x0/0x458 [ 190.944383][ T6333] show_stack+0x2c/0x3c [ 190.945308][ T6333] __dump_stack+0x30/0x40 [ 190.946162][ T6333] dump_stack_lvl+0xf4/0x15c [ 190.947007][ T6333] dump_stack+0x1c/0x5c [ 190.947893][ T6333] sysfs_create_dir_ns+0x244/0x264 [ 190.948967][ T6333] kobject_add_internal+0x594/0xc2c [ 190.949935][ T6333] kobject_init_and_add+0x128/0x194 [ 190.950917][ T6333] gfs2_sys_fs_add+0x208/0x428 [ 190.951946][ T6333] gfs2_fill_super+0xe20/0x1a9c [ 190.952932][ T6333] get_tree_bdev+0x35c/0x54c [ 190.953877][ T6333] gfs2_get_tree+0x58/0x1b8 [ 190.954747][ T6333] vfs_get_tree+0x90/0x278 [ 190.955651][ T6333] do_new_mount+0x228/0x818 [ 190.956543][ T6333] path_mount+0x57c/0xfe8 [ 190.957251][ T6333] __arm64_sys_mount+0x488/0x5f8 [ 190.958166][ T6333] invoke_syscall+0x98/0x28c [ 190.959068][ T6333] el0_svc_common+0x13c/0x258 [ 190.960037][ T6333] do_el0_svc+0x5c/0x140 [ 190.960887][ T6333] el0_svc+0x78/0x1d4 [ 190.961678][ T6333] el0t_64_sync_handler+0xcc/0xe4 [ 190.962768][ T6333] el0t_64_sync+0x1a0/0x1a4 [ 190.965314][ T6333] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 190.967794][ T6333] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.102768][ T6336] loop1: detected capacity change from 0 to 32768 [ 191.154731][ T6336] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.155922][ T6336] CPU: 0 PID: 6336 Comm: syz.1.486 Not tainted syzkaller #0 [ 191.157383][ T6336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 191.159184][ T6336] Call trace: [ 191.159839][ T6336] dump_backtrace+0x0/0x458 [ 191.160783][ T6336] show_stack+0x2c/0x3c [ 191.161554][ T6336] __dump_stack+0x30/0x40 [ 191.162337][ T6336] dump_stack_lvl+0xf4/0x15c [ 191.163245][ T6336] dump_stack+0x1c/0x5c [ 191.164108][ T6336] sysfs_create_dir_ns+0x244/0x264 [ 191.165195][ T6336] kobject_add_internal+0x594/0xc2c [ 191.166299][ T6336] kobject_init_and_add+0x128/0x194 [ 191.167477][ T6336] gfs2_sys_fs_add+0x208/0x428 [ 191.168546][ T6336] gfs2_fill_super+0xe20/0x1a9c [ 191.169581][ T6336] get_tree_bdev+0x35c/0x54c [ 191.170621][ T6336] gfs2_get_tree+0x58/0x1b8 [ 191.171508][ T6336] vfs_get_tree+0x90/0x278 [ 191.172464][ T6336] do_new_mount+0x228/0x818 [ 191.173383][ T6336] path_mount+0x57c/0xfe8 [ 191.174338][ T6336] __arm64_sys_mount+0x488/0x5f8 [ 191.175382][ T6336] invoke_syscall+0x98/0x28c [ 191.176343][ T6336] el0_svc_common+0x13c/0x258 [ 191.177344][ T6336] do_el0_svc+0x5c/0x140 [ 191.178248][ T6336] el0_svc+0x78/0x1d4 [ 191.179029][ T6336] el0t_64_sync_handler+0xcc/0xe4 [ 191.180185][ T6336] el0t_64_sync+0x1a0/0x1a4 [ 191.182700][ T6336] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.185607][ T6336] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.319257][ T6339] loop1: detected capacity change from 0 to 32768 [ 191.326732][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.328139][ T6339] CPU: 1 PID: 6339 Comm: syz.1.487 Not tainted syzkaller #0 [ 191.329559][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 191.331601][ T6339] Call trace: [ 191.332278][ T6339] dump_backtrace+0x0/0x458 [ 191.333092][ T6339] show_stack+0x2c/0x3c [ 191.333920][ T6339] __dump_stack+0x30/0x40 [ 191.334821][ T6339] dump_stack_lvl+0xf4/0x15c [ 191.335780][ T6339] dump_stack+0x1c/0x5c [ 191.336639][ T6339] sysfs_create_dir_ns+0x244/0x264 [ 191.337760][ T6339] kobject_add_internal+0x594/0xc2c [ 191.338936][ T6339] kobject_init_and_add+0x128/0x194 [ 191.340164][ T6339] gfs2_sys_fs_add+0x208/0x428 [ 191.341217][ T6339] gfs2_fill_super+0xe20/0x1a9c [ 191.342319][ T6339] get_tree_bdev+0x35c/0x54c [ 191.343371][ T6339] gfs2_get_tree+0x58/0x1b8 [ 191.344341][ T6339] vfs_get_tree+0x90/0x278 [ 191.345201][ T6339] do_new_mount+0x228/0x818 [ 191.346131][ T6339] path_mount+0x57c/0xfe8 [ 191.347040][ T6339] __arm64_sys_mount+0x488/0x5f8 [ 191.348060][ T6339] invoke_syscall+0x98/0x28c [ 191.349071][ T6339] el0_svc_common+0x13c/0x258 [ 191.350053][ T6339] do_el0_svc+0x5c/0x140 [ 191.350883][ T6339] el0_svc+0x78/0x1d4 [ 191.351746][ T6339] el0t_64_sync_handler+0xcc/0xe4 [ 191.352793][ T6339] el0t_64_sync+0x1a0/0x1a4 [ 191.355416][ T6339] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.357757][ T6339] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.502583][ T6342] loop1: detected capacity change from 0 to 32768 [ 191.506573][ T6342] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.508006][ T6342] CPU: 1 PID: 6342 Comm: syz.1.488 Not tainted syzkaller #0 [ 191.509559][ T6342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 191.511668][ T6342] Call trace: [ 191.512299][ T6342] dump_backtrace+0x0/0x458 [ 191.513222][ T6342] show_stack+0x2c/0x3c [ 191.514062][ T6342] __dump_stack+0x30/0x40 [ 191.514898][ T6342] dump_stack_lvl+0xf4/0x15c [ 191.515780][ T6342] dump_stack+0x1c/0x5c [ 191.516658][ T6342] sysfs_create_dir_ns+0x244/0x264 [ 191.517715][ T6342] kobject_add_internal+0x594/0xc2c [ 191.518793][ T6342] kobject_init_and_add+0x128/0x194 [ 191.519851][ T6342] gfs2_sys_fs_add+0x208/0x428 [ 191.520822][ T6342] gfs2_fill_super+0xe20/0x1a9c [ 191.521781][ T6342] get_tree_bdev+0x35c/0x54c [ 191.522696][ T6342] gfs2_get_tree+0x58/0x1b8 [ 191.523623][ T6342] vfs_get_tree+0x90/0x278 [ 191.524551][ T6342] do_new_mount+0x228/0x818 [ 191.525468][ T6342] path_mount+0x57c/0xfe8 [ 191.526314][ T6342] __arm64_sys_mount+0x488/0x5f8 [ 191.527405][ T6342] invoke_syscall+0x98/0x28c [ 191.528364][ T6342] el0_svc_common+0x13c/0x258 [ 191.529330][ T6342] do_el0_svc+0x5c/0x140 [ 191.530187][ T6342] el0_svc+0x78/0x1d4 [ 191.531083][ T6342] el0t_64_sync_handler+0xcc/0xe4 [ 191.532110][ T6342] el0t_64_sync+0x1a0/0x1a4 [ 191.533172][ T6342] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.536333][ T6342] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.781259][ T6345] loop1: detected capacity change from 0 to 32768 [ 191.824000][ T6345] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.825627][ T6345] CPU: 1 PID: 6345 Comm: syz.1.489 Not tainted syzkaller #0 [ 191.827016][ T6345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 191.828826][ T6345] Call trace: [ 191.829434][ T6345] dump_backtrace+0x0/0x458 [ 191.830301][ T6345] show_stack+0x2c/0x3c [ 191.831119][ T6345] __dump_stack+0x30/0x40 [ 191.831955][ T6345] dump_stack_lvl+0xf4/0x15c [ 191.832808][ T6345] dump_stack+0x1c/0x5c [ 191.833621][ T6345] sysfs_create_dir_ns+0x244/0x264 [ 191.834657][ T6345] kobject_add_internal+0x594/0xc2c [ 191.835698][ T6345] kobject_init_and_add+0x128/0x194 [ 191.836798][ T6345] gfs2_sys_fs_add+0x208/0x428 [ 191.837696][ T6345] gfs2_fill_super+0xe20/0x1a9c [ 191.838691][ T6345] get_tree_bdev+0x35c/0x54c [ 191.839714][ T6345] gfs2_get_tree+0x58/0x1b8 [ 191.840688][ T6345] vfs_get_tree+0x90/0x278 [ 191.841590][ T6345] do_new_mount+0x228/0x818 [ 191.842515][ T6345] path_mount+0x57c/0xfe8 [ 191.843437][ T6345] __arm64_sys_mount+0x488/0x5f8 [ 191.844504][ T6345] invoke_syscall+0x98/0x28c [ 191.845413][ T6345] el0_svc_common+0x13c/0x258 [ 191.846348][ T6345] do_el0_svc+0x5c/0x140 [ 191.847260][ T6345] el0_svc+0x78/0x1d4 [ 191.848129][ T6345] el0t_64_sync_handler+0xcc/0xe4 [ 191.849175][ T6345] el0t_64_sync+0x1a0/0x1a4 [ 191.851501][ T6345] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 191.854205][ T6345] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 191.994745][ T6348] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 191.996309][ T6348] CPU: 0 PID: 6348 Comm: syz.1.490 Not tainted syzkaller #0 [ 191.997826][ T6348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 191.999721][ T6348] Call trace: [ 192.000366][ T6348] dump_backtrace+0x0/0x458 [ 192.001268][ T6348] show_stack+0x2c/0x3c [ 192.002151][ T6348] __dump_stack+0x30/0x40 [ 192.003078][ T6348] dump_stack_lvl+0xf4/0x15c [ 192.004070][ T6348] dump_stack+0x1c/0x5c [ 192.004971][ T6348] sysfs_create_dir_ns+0x244/0x264 [ 192.006058][ T6348] kobject_add_internal+0x594/0xc2c [ 192.007167][ T6348] kobject_init_and_add+0x128/0x194 [ 192.008222][ T6348] gfs2_sys_fs_add+0x208/0x428 [ 192.009195][ T6348] gfs2_fill_super+0xe20/0x1a9c [ 192.010193][ T6348] get_tree_bdev+0x35c/0x54c [ 192.011090][ T6348] gfs2_get_tree+0x58/0x1b8 [ 192.011976][ T6348] vfs_get_tree+0x90/0x278 [ 192.012972][ T6348] do_new_mount+0x228/0x818 [ 192.013924][ T6348] path_mount+0x57c/0xfe8 [ 192.014913][ T6348] __arm64_sys_mount+0x488/0x5f8 [ 192.016012][ T6348] invoke_syscall+0x98/0x28c [ 192.016953][ T6348] el0_svc_common+0x13c/0x258 [ 192.018022][ T6348] do_el0_svc+0x5c/0x140 [ 192.018938][ T6348] el0_svc+0x78/0x1d4 [ 192.019818][ T6348] el0t_64_sync_handler+0xcc/0xe4 [ 192.020715][ T6348] el0t_64_sync+0x1a0/0x1a4 [ 192.023272][ T6348] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 192.026030][ T6348] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 192.193996][ T6351] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 192.195433][ T6351] CPU: 0 PID: 6351 Comm: syz.1.491 Not tainted syzkaller #0 [ 192.196796][ T6351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 192.198724][ T6351] Call trace: [ 192.199353][ T6351] dump_backtrace+0x0/0x458 [ 192.200233][ T6351] show_stack+0x2c/0x3c [ 192.201081][ T6351] __dump_stack+0x30/0x40 [ 192.201861][ T6351] dump_stack_lvl+0xf4/0x15c [ 192.202704][ T6351] dump_stack+0x1c/0x5c [ 192.203443][ T6351] sysfs_create_dir_ns+0x244/0x264 [ 192.204489][ T6351] kobject_add_internal+0x594/0xc2c [ 192.205543][ T6351] kobject_init_and_add+0x128/0x194 [ 192.206415][ T6351] gfs2_sys_fs_add+0x208/0x428 [ 192.207337][ T6351] gfs2_fill_super+0xe20/0x1a9c [ 192.208248][ T6351] get_tree_bdev+0x35c/0x54c [ 192.209061][ T6351] gfs2_get_tree+0x58/0x1b8 [ 192.209943][ T6351] vfs_get_tree+0x90/0x278 [ 192.210807][ T6351] do_new_mount+0x228/0x818 [ 192.211660][ T6351] path_mount+0x57c/0xfe8 [ 192.212516][ T6351] __arm64_sys_mount+0x488/0x5f8 [ 192.213488][ T6351] invoke_syscall+0x98/0x28c [ 192.214377][ T6351] el0_svc_common+0x13c/0x258 [ 192.215299][ T6351] do_el0_svc+0x5c/0x140 [ 192.216258][ T6351] el0_svc+0x78/0x1d4 [ 192.217039][ T6351] el0t_64_sync_handler+0xcc/0xe4 [ 192.218035][ T6351] el0t_64_sync+0x1a0/0x1a4 [ 192.220557][ T6351] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 192.223107][ T6351] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 192.494256][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 192.495524][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 192.514095][ T6354] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 192.515697][ T6354] CPU: 1 PID: 6354 Comm: syz.1.492 Not tainted syzkaller #0 [ 192.516964][ T6354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 192.518777][ T6354] Call trace: [ 192.519442][ T6354] dump_backtrace+0x0/0x458 [ 192.520346][ T6354] show_stack+0x2c/0x3c [ 192.521195][ T6354] __dump_stack+0x30/0x40 [ 192.522017][ T6354] dump_stack_lvl+0xf4/0x15c [ 192.522943][ T6354] dump_stack+0x1c/0x5c [ 192.523787][ T6354] sysfs_create_dir_ns+0x244/0x264 [ 192.524887][ T6354] kobject_add_internal+0x594/0xc2c [ 192.525972][ T6354] kobject_init_and_add+0x128/0x194 [ 192.527023][ T6354] gfs2_sys_fs_add+0x208/0x428 [ 192.527989][ T6354] gfs2_fill_super+0xe20/0x1a9c [ 192.528972][ T6354] get_tree_bdev+0x35c/0x54c [ 192.529934][ T6354] gfs2_get_tree+0x58/0x1b8 [ 192.530904][ T6354] vfs_get_tree+0x90/0x278 [ 192.531866][ T6354] do_new_mount+0x228/0x818 [ 192.532837][ T6354] path_mount+0x57c/0xfe8 [ 192.533778][ T6354] __arm64_sys_mount+0x488/0x5f8 [ 192.534869][ T6354] invoke_syscall+0x98/0x28c [ 192.535806][ T6354] el0_svc_common+0x13c/0x258 [ 192.536725][ T6354] do_el0_svc+0x5c/0x140 [ 192.537638][ T6354] el0_svc+0x78/0x1d4 [ 192.538422][ T6354] el0t_64_sync_handler+0xcc/0xe4 [ 192.539429][ T6354] el0t_64_sync+0x1a0/0x1a4 [ 192.542630][ T6354] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 192.545281][ T6354] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 192.744386][ T6357] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 192.745800][ T6357] CPU: 1 PID: 6357 Comm: syz.1.493 Not tainted syzkaller #0 [ 192.746998][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 192.748717][ T6357] Call trace: [ 192.749269][ T6357] dump_backtrace+0x0/0x458 [ 192.750020][ T6357] show_stack+0x2c/0x3c [ 192.750720][ T6357] __dump_stack+0x30/0x40 [ 192.751494][ T6357] dump_stack_lvl+0xf4/0x15c [ 192.752266][ T6357] dump_stack+0x1c/0x5c [ 192.752964][ T6357] sysfs_create_dir_ns+0x244/0x264 [ 192.753967][ T6357] kobject_add_internal+0x594/0xc2c [ 192.755016][ T6357] kobject_init_and_add+0x128/0x194 [ 192.756072][ T6357] gfs2_sys_fs_add+0x208/0x428 [ 192.757017][ T6357] gfs2_fill_super+0xe20/0x1a9c [ 192.757916][ T6357] get_tree_bdev+0x35c/0x54c [ 192.758800][ T6357] gfs2_get_tree+0x58/0x1b8 [ 192.759747][ T6357] vfs_get_tree+0x90/0x278 [ 192.760729][ T6357] do_new_mount+0x228/0x818 [ 192.761686][ T6357] path_mount+0x57c/0xfe8 [ 192.762584][ T6357] __arm64_sys_mount+0x488/0x5f8 [ 192.763692][ T6357] invoke_syscall+0x98/0x28c [ 192.764642][ T6357] el0_svc_common+0x13c/0x258 [ 192.765587][ T6357] do_el0_svc+0x5c/0x140 [ 192.766380][ T6357] el0_svc+0x78/0x1d4 [ 192.767144][ T6357] el0t_64_sync_handler+0xcc/0xe4 [ 192.768132][ T6357] el0t_64_sync+0x1a0/0x1a4 [ 192.771277][ T6357] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 192.773901][ T6357] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 192.995939][ T6360] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 192.997555][ T6360] CPU: 0 PID: 6360 Comm: syz.1.494 Not tainted syzkaller #0 [ 192.999138][ T6360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 193.001090][ T6360] Call trace: [ 193.001652][ T6360] dump_backtrace+0x0/0x458 [ 193.002433][ T6360] show_stack+0x2c/0x3c [ 193.003127][ T6360] __dump_stack+0x30/0x40 [ 193.003917][ T6360] dump_stack_lvl+0xf4/0x15c [ 193.004843][ T6360] dump_stack+0x1c/0x5c [ 193.005618][ T6360] sysfs_create_dir_ns+0x244/0x264 [ 193.006626][ T6360] kobject_add_internal+0x594/0xc2c [ 193.007645][ T6360] kobject_init_and_add+0x128/0x194 [ 193.008620][ T6360] gfs2_sys_fs_add+0x208/0x428 [ 193.009518][ T6360] gfs2_fill_super+0xe20/0x1a9c [ 193.010429][ T6360] get_tree_bdev+0x35c/0x54c [ 193.011344][ T6360] gfs2_get_tree+0x58/0x1b8 [ 193.012299][ T6360] vfs_get_tree+0x90/0x278 [ 193.013158][ T6360] do_new_mount+0x228/0x818 [ 193.014094][ T6360] path_mount+0x57c/0xfe8 [ 193.014951][ T6360] __arm64_sys_mount+0x488/0x5f8 [ 193.015894][ T6360] invoke_syscall+0x98/0x28c [ 193.016711][ T6360] el0_svc_common+0x13c/0x258 [ 193.017593][ T6360] do_el0_svc+0x5c/0x140 [ 193.018433][ T6360] el0_svc+0x78/0x1d4 [ 193.019244][ T6360] el0t_64_sync_handler+0xcc/0xe4 [ 193.020167][ T6360] el0t_64_sync+0x1a0/0x1a4 [ 193.021183][ T6360] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.023967][ T6360] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 193.328591][ T6363] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 193.330028][ T6363] CPU: 0 PID: 6363 Comm: syz.1.495 Not tainted syzkaller #0 [ 193.331411][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 193.333421][ T6363] Call trace: [ 193.334049][ T6363] dump_backtrace+0x0/0x458 [ 193.335068][ T6363] show_stack+0x2c/0x3c [ 193.335983][ T6363] __dump_stack+0x30/0x40 [ 193.337003][ T6363] dump_stack_lvl+0xf4/0x15c [ 193.338026][ T6363] dump_stack+0x1c/0x5c [ 193.338841][ T6363] sysfs_create_dir_ns+0x244/0x264 [ 193.339938][ T6363] kobject_add_internal+0x594/0xc2c [ 193.341029][ T6363] kobject_init_and_add+0x128/0x194 [ 193.342216][ T6363] gfs2_sys_fs_add+0x208/0x428 [ 193.343333][ T6363] gfs2_fill_super+0xe20/0x1a9c [ 193.344318][ T6363] get_tree_bdev+0x35c/0x54c [ 193.345313][ T6363] gfs2_get_tree+0x58/0x1b8 [ 193.346325][ T6363] vfs_get_tree+0x90/0x278 [ 193.347261][ T6363] do_new_mount+0x228/0x818 [ 193.348289][ T6363] path_mount+0x57c/0xfe8 [ 193.349167][ T6363] __arm64_sys_mount+0x488/0x5f8 [ 193.350164][ T6363] invoke_syscall+0x98/0x28c [ 193.351125][ T6363] el0_svc_common+0x13c/0x258 [ 193.352168][ T6363] do_el0_svc+0x5c/0x140 [ 193.353021][ T6363] el0_svc+0x78/0x1d4 [ 193.353878][ T6363] el0t_64_sync_handler+0xcc/0xe4 [ 193.354953][ T6363] el0t_64_sync+0x1a0/0x1a4 [ 193.357664][ T6363] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.360152][ T6363] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 193.534089][ T6366] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 193.537026][ T6366] CPU: 1 PID: 6366 Comm: syz.1.496 Not tainted syzkaller #0 [ 193.538433][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 193.540332][ T6366] Call trace: [ 193.540963][ T6366] dump_backtrace+0x0/0x458 [ 193.541798][ T6366] show_stack+0x2c/0x3c [ 193.542564][ T6366] __dump_stack+0x30/0x40 [ 193.543403][ T6366] dump_stack_lvl+0xf4/0x15c [ 193.544364][ T6366] dump_stack+0x1c/0x5c [ 193.545296][ T6366] sysfs_create_dir_ns+0x244/0x264 [ 193.546348][ T6366] kobject_add_internal+0x594/0xc2c [ 193.547435][ T6366] kobject_init_and_add+0x128/0x194 [ 193.548540][ T6366] gfs2_sys_fs_add+0x208/0x428 [ 193.549450][ T6366] gfs2_fill_super+0xe20/0x1a9c [ 193.550561][ T6366] get_tree_bdev+0x35c/0x54c [ 193.551564][ T6366] gfs2_get_tree+0x58/0x1b8 [ 193.552564][ T6366] vfs_get_tree+0x90/0x278 [ 193.553505][ T6366] do_new_mount+0x228/0x818 [ 193.554497][ T6366] path_mount+0x57c/0xfe8 [ 193.555455][ T6366] __arm64_sys_mount+0x488/0x5f8 [ 193.556573][ T6366] invoke_syscall+0x98/0x28c [ 193.557506][ T6366] el0_svc_common+0x13c/0x258 [ 193.558472][ T6366] do_el0_svc+0x5c/0x140 [ 193.559391][ T6366] el0_svc+0x78/0x1d4 [ 193.560249][ T6366] el0t_64_sync_handler+0xcc/0xe4 [ 193.561360][ T6366] el0t_64_sync+0x1a0/0x1a4 [ 193.562963][ T6366] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.565877][ T6366] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 193.734010][ T6369] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 193.735384][ T6369] CPU: 1 PID: 6369 Comm: syz.1.497 Not tainted syzkaller #0 [ 193.736804][ T6369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 193.738765][ T6369] Call trace: [ 193.739425][ T6369] dump_backtrace+0x0/0x458 [ 193.740334][ T6369] show_stack+0x2c/0x3c [ 193.741204][ T6369] __dump_stack+0x30/0x40 [ 193.742064][ T6369] dump_stack_lvl+0xf4/0x15c [ 193.743013][ T6369] dump_stack+0x1c/0x5c [ 193.743863][ T6369] sysfs_create_dir_ns+0x244/0x264 [ 193.744888][ T6369] kobject_add_internal+0x594/0xc2c [ 193.746018][ T6369] kobject_init_and_add+0x128/0x194 [ 193.747072][ T6369] gfs2_sys_fs_add+0x208/0x428 [ 193.748055][ T6369] gfs2_fill_super+0xe20/0x1a9c [ 193.749044][ T6369] get_tree_bdev+0x35c/0x54c [ 193.750038][ T6369] gfs2_get_tree+0x58/0x1b8 [ 193.750965][ T6369] vfs_get_tree+0x90/0x278 [ 193.751912][ T6369] do_new_mount+0x228/0x818 [ 193.752869][ T6369] path_mount+0x57c/0xfe8 [ 193.753816][ T6369] __arm64_sys_mount+0x488/0x5f8 [ 193.754834][ T6369] invoke_syscall+0x98/0x28c [ 193.755782][ T6369] el0_svc_common+0x13c/0x258 [ 193.756787][ T6369] do_el0_svc+0x5c/0x140 [ 193.757570][ T6369] el0_svc+0x78/0x1d4 [ 193.758457][ T6369] el0t_64_sync_handler+0xcc/0xe4 [ 193.759438][ T6369] el0t_64_sync+0x1a0/0x1a4 [ 193.761039][ T6369] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.763345][ T6369] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 193.906551][ T6372] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 193.908126][ T6372] CPU: 0 PID: 6372 Comm: syz.1.498 Not tainted syzkaller #0 [ 193.909561][ T6372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 193.911285][ T6372] Call trace: [ 193.911863][ T6372] dump_backtrace+0x0/0x458 [ 193.912695][ T6372] show_stack+0x2c/0x3c [ 193.913509][ T6372] __dump_stack+0x30/0x40 [ 193.914345][ T6372] dump_stack_lvl+0xf4/0x15c [ 193.915365][ T6372] dump_stack+0x1c/0x5c [ 193.916307][ T6372] sysfs_create_dir_ns+0x244/0x264 [ 193.917430][ T6372] kobject_add_internal+0x594/0xc2c [ 193.918578][ T6372] kobject_init_and_add+0x128/0x194 [ 193.919754][ T6372] gfs2_sys_fs_add+0x208/0x428 [ 193.920696][ T6372] gfs2_fill_super+0xe20/0x1a9c [ 193.921764][ T6372] get_tree_bdev+0x35c/0x54c [ 193.922707][ T6372] gfs2_get_tree+0x58/0x1b8 [ 193.923588][ T6372] vfs_get_tree+0x90/0x278 [ 193.924501][ T6372] do_new_mount+0x228/0x818 [ 193.925387][ T6372] path_mount+0x57c/0xfe8 [ 193.926248][ T6372] __arm64_sys_mount+0x488/0x5f8 [ 193.927230][ T6372] invoke_syscall+0x98/0x28c [ 193.928172][ T6372] el0_svc_common+0x13c/0x258 [ 193.929140][ T6372] do_el0_svc+0x5c/0x140 [ 193.930022][ T6372] el0_svc+0x78/0x1d4 [ 193.930823][ T6372] el0t_64_sync_handler+0xcc/0xe4 [ 193.931841][ T6372] el0t_64_sync+0x1a0/0x1a4 [ 193.934483][ T6372] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 193.936849][ T6372] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 194.148300][ T6375] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.149797][ T6375] CPU: 0 PID: 6375 Comm: syz.1.499 Not tainted syzkaller #0 [ 194.151167][ T6375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 194.153331][ T6375] Call trace: [ 194.154065][ T6375] dump_backtrace+0x0/0x458 [ 194.155019][ T6375] show_stack+0x2c/0x3c [ 194.155880][ T6375] __dump_stack+0x30/0x40 [ 194.156759][ T6375] dump_stack_lvl+0xf4/0x15c [ 194.157744][ T6375] dump_stack+0x1c/0x5c [ 194.158577][ T6375] sysfs_create_dir_ns+0x244/0x264 [ 194.159668][ T6375] kobject_add_internal+0x594/0xc2c [ 194.160792][ T6375] kobject_init_and_add+0x128/0x194 [ 194.161792][ T6375] gfs2_sys_fs_add+0x208/0x428 [ 194.162706][ T6375] gfs2_fill_super+0xe20/0x1a9c [ 194.163655][ T6375] get_tree_bdev+0x35c/0x54c [ 194.164573][ T6375] gfs2_get_tree+0x58/0x1b8 [ 194.165492][ T6375] vfs_get_tree+0x90/0x278 [ 194.166486][ T6375] do_new_mount+0x228/0x818 [ 194.167476][ T6375] path_mount+0x57c/0xfe8 [ 194.168414][ T6375] __arm64_sys_mount+0x488/0x5f8 [ 194.169471][ T6375] invoke_syscall+0x98/0x28c [ 194.170421][ T6375] el0_svc_common+0x13c/0x258 [ 194.171402][ T6375] do_el0_svc+0x5c/0x140 [ 194.172339][ T6375] el0_svc+0x78/0x1d4 [ 194.173153][ T6375] el0t_64_sync_handler+0xcc/0xe4 [ 194.174180][ T6375] el0t_64_sync+0x1a0/0x1a4 [ 194.176684][ T6375] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.179090][ T6375] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 194.354835][ T6378] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.356388][ T6378] CPU: 1 PID: 6378 Comm: syz.1.500 Not tainted syzkaller #0 [ 194.357817][ T6378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 194.359895][ T6378] Call trace: [ 194.360522][ T6378] dump_backtrace+0x0/0x458 [ 194.361465][ T6378] show_stack+0x2c/0x3c [ 194.362272][ T6378] __dump_stack+0x30/0x40 [ 194.363085][ T6378] dump_stack_lvl+0xf4/0x15c [ 194.364051][ T6378] dump_stack+0x1c/0x5c [ 194.364930][ T6378] sysfs_create_dir_ns+0x244/0x264 [ 194.365939][ T6378] kobject_add_internal+0x594/0xc2c [ 194.366931][ T6378] kobject_init_and_add+0x128/0x194 [ 194.367982][ T6378] gfs2_sys_fs_add+0x208/0x428 [ 194.369026][ T6378] gfs2_fill_super+0xe20/0x1a9c [ 194.370029][ T6378] get_tree_bdev+0x35c/0x54c [ 194.370954][ T6378] gfs2_get_tree+0x58/0x1b8 [ 194.371888][ T6378] vfs_get_tree+0x90/0x278 [ 194.372858][ T6378] do_new_mount+0x228/0x818 [ 194.373851][ T6378] path_mount+0x57c/0xfe8 [ 194.374768][ T6378] __arm64_sys_mount+0x488/0x5f8 [ 194.375781][ T6378] invoke_syscall+0x98/0x28c [ 194.376746][ T6378] el0_svc_common+0x13c/0x258 [ 194.377752][ T6378] do_el0_svc+0x5c/0x140 [ 194.378637][ T6378] el0_svc+0x78/0x1d4 [ 194.379458][ T6378] el0t_64_sync_handler+0xcc/0xe4 [ 194.380405][ T6378] el0t_64_sync+0x1a0/0x1a4 [ 194.383028][ T6378] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.386116][ T6378] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 194.573532][ T4078] Bluetooth: hci0: command 0x0406 tx timeout [ 194.603672][ T6381] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.604899][ T6381] CPU: 0 PID: 6381 Comm: syz.1.501 Not tainted syzkaller #0 [ 194.606250][ T6381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 194.608119][ T6381] Call trace: [ 194.608654][ T6381] dump_backtrace+0x0/0x458 [ 194.609452][ T6381] show_stack+0x2c/0x3c [ 194.610186][ T6381] __dump_stack+0x30/0x40 [ 194.610926][ T6381] dump_stack_lvl+0xf4/0x15c [ 194.611751][ T6381] dump_stack+0x1c/0x5c [ 194.612471][ T6381] sysfs_create_dir_ns+0x244/0x264 [ 194.613386][ T6381] kobject_add_internal+0x594/0xc2c [ 194.614398][ T6381] kobject_init_and_add+0x128/0x194 [ 194.615400][ T6381] gfs2_sys_fs_add+0x208/0x428 [ 194.616377][ T6381] gfs2_fill_super+0xe20/0x1a9c [ 194.617351][ T6381] get_tree_bdev+0x35c/0x54c [ 194.618279][ T6381] gfs2_get_tree+0x58/0x1b8 [ 194.619205][ T6381] vfs_get_tree+0x90/0x278 [ 194.620208][ T6381] do_new_mount+0x228/0x818 [ 194.621118][ T6381] path_mount+0x57c/0xfe8 [ 194.622042][ T6381] __arm64_sys_mount+0x488/0x5f8 [ 194.623016][ T6381] invoke_syscall+0x98/0x28c [ 194.624045][ T6381] el0_svc_common+0x13c/0x258 [ 194.625115][ T6381] do_el0_svc+0x5c/0x140 [ 194.625987][ T6381] el0_svc+0x78/0x1d4 [ 194.626862][ T6381] el0t_64_sync_handler+0xcc/0xe4 [ 194.627893][ T6381] el0t_64_sync+0x1a0/0x1a4 [ 194.628993][ T6381] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.631656][ T6381] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:14 executed programs: 488 [ 194.869762][ T6384] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 194.871278][ T6384] CPU: 1 PID: 6384 Comm: syz.1.502 Not tainted syzkaller #0 [ 194.872593][ T6384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 194.874658][ T6384] Call trace: [ 194.875371][ T6384] dump_backtrace+0x0/0x458 [ 194.876313][ T6384] show_stack+0x2c/0x3c [ 194.877179][ T6384] __dump_stack+0x30/0x40 [ 194.878098][ T6384] dump_stack_lvl+0xf4/0x15c [ 194.879060][ T6384] dump_stack+0x1c/0x5c [ 194.879928][ T6384] sysfs_create_dir_ns+0x244/0x264 [ 194.881034][ T6384] kobject_add_internal+0x594/0xc2c [ 194.882237][ T6384] kobject_init_and_add+0x128/0x194 [ 194.883368][ T6384] gfs2_sys_fs_add+0x208/0x428 [ 194.884470][ T6384] gfs2_fill_super+0xe20/0x1a9c [ 194.885550][ T6384] get_tree_bdev+0x35c/0x54c [ 194.886507][ T6384] gfs2_get_tree+0x58/0x1b8 [ 194.887464][ T6384] vfs_get_tree+0x90/0x278 [ 194.888438][ T6384] do_new_mount+0x228/0x818 [ 194.889363][ T6384] path_mount+0x57c/0xfe8 [ 194.890284][ T6384] __arm64_sys_mount+0x488/0x5f8 [ 194.891417][ T6384] invoke_syscall+0x98/0x28c [ 194.892380][ T6384] el0_svc_common+0x13c/0x258 [ 194.893384][ T6384] do_el0_svc+0x5c/0x140 [ 194.894267][ T6384] el0_svc+0x78/0x1d4 [ 194.895005][ T6384] el0t_64_sync_handler+0xcc/0xe4 [ 194.895992][ T6384] el0t_64_sync+0x1a0/0x1a4 [ 194.899973][ T6384] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 194.902342][ T6384] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.174341][ T6387] set_capacity_and_notify: 13 callbacks suppressed [ 195.174351][ T6387] loop1: detected capacity change from 0 to 32768 [ 195.232053][ T6387] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.233504][ T6387] CPU: 0 PID: 6387 Comm: syz.1.503 Not tainted syzkaller #0 [ 195.234727][ T6387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 195.236597][ T6387] Call trace: [ 195.237241][ T6387] dump_backtrace+0x0/0x458 [ 195.238254][ T6387] show_stack+0x2c/0x3c [ 195.239117][ T6387] __dump_stack+0x30/0x40 [ 195.239993][ T6387] dump_stack_lvl+0xf4/0x15c [ 195.241024][ T6387] dump_stack+0x1c/0x5c [ 195.241870][ T6387] sysfs_create_dir_ns+0x244/0x264 [ 195.242875][ T6387] kobject_add_internal+0x594/0xc2c [ 195.243905][ T6387] kobject_init_and_add+0x128/0x194 [ 195.245046][ T6387] gfs2_sys_fs_add+0x208/0x428 [ 195.246060][ T6387] gfs2_fill_super+0xe20/0x1a9c [ 195.247001][ T6387] get_tree_bdev+0x35c/0x54c [ 195.247944][ T6387] gfs2_get_tree+0x58/0x1b8 [ 195.248875][ T6387] vfs_get_tree+0x90/0x278 [ 195.249811][ T6387] do_new_mount+0x228/0x818 [ 195.250769][ T6387] path_mount+0x57c/0xfe8 [ 195.251687][ T6387] __arm64_sys_mount+0x488/0x5f8 [ 195.252711][ T6387] invoke_syscall+0x98/0x28c [ 195.253683][ T6387] el0_svc_common+0x13c/0x258 [ 195.254666][ T6387] do_el0_svc+0x5c/0x140 [ 195.255521][ T6387] el0_svc+0x78/0x1d4 [ 195.256437][ T6387] el0t_64_sync_handler+0xcc/0xe4 [ 195.257540][ T6387] el0t_64_sync+0x1a0/0x1a4 [ 195.258735][ T6387] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.262473][ T6387] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.406174][ T6390] loop1: detected capacity change from 0 to 32768 [ 195.454100][ T6390] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.455668][ T6390] CPU: 1 PID: 6390 Comm: syz.1.504 Not tainted syzkaller #0 [ 195.456984][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 195.458856][ T6390] Call trace: [ 195.459450][ T6390] dump_backtrace+0x0/0x458 [ 195.460362][ T6390] show_stack+0x2c/0x3c [ 195.461111][ T6390] __dump_stack+0x30/0x40 [ 195.461886][ T6390] dump_stack_lvl+0xf4/0x15c [ 195.462793][ T6390] dump_stack+0x1c/0x5c [ 195.463655][ T6390] sysfs_create_dir_ns+0x244/0x264 [ 195.464775][ T6390] kobject_add_internal+0x594/0xc2c [ 195.465902][ T6390] kobject_init_and_add+0x128/0x194 [ 195.467073][ T6390] gfs2_sys_fs_add+0x208/0x428 [ 195.468118][ T6390] gfs2_fill_super+0xe20/0x1a9c [ 195.469217][ T6390] get_tree_bdev+0x35c/0x54c [ 195.470109][ T6390] gfs2_get_tree+0x58/0x1b8 [ 195.471016][ T6390] vfs_get_tree+0x90/0x278 [ 195.471901][ T6390] do_new_mount+0x228/0x818 [ 195.472837][ T6390] path_mount+0x57c/0xfe8 [ 195.473675][ T6390] __arm64_sys_mount+0x488/0x5f8 [ 195.474601][ T6390] invoke_syscall+0x98/0x28c [ 195.475484][ T6390] el0_svc_common+0x13c/0x258 [ 195.476376][ T6390] do_el0_svc+0x5c/0x140 [ 195.477243][ T6390] el0_svc+0x78/0x1d4 [ 195.478010][ T6390] el0t_64_sync_handler+0xcc/0xe4 [ 195.479011][ T6390] el0t_64_sync+0x1a0/0x1a4 [ 195.480532][ T6390] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.482779][ T6390] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.625877][ T6393] loop1: detected capacity change from 0 to 32768 [ 195.633010][ T6393] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.634684][ T6393] CPU: 0 PID: 6393 Comm: syz.1.505 Not tainted syzkaller #0 [ 195.635911][ T6393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 195.637942][ T6393] Call trace: [ 195.638543][ T6393] dump_backtrace+0x0/0x458 [ 195.639478][ T6393] show_stack+0x2c/0x3c [ 195.640301][ T6393] __dump_stack+0x30/0x40 [ 195.641207][ T6393] dump_stack_lvl+0xf4/0x15c [ 195.642047][ T6393] dump_stack+0x1c/0x5c [ 195.642876][ T6393] sysfs_create_dir_ns+0x244/0x264 [ 195.644009][ T6393] kobject_add_internal+0x594/0xc2c [ 195.645072][ T6393] kobject_init_and_add+0x128/0x194 [ 195.646109][ T6393] gfs2_sys_fs_add+0x208/0x428 [ 195.647180][ T6393] gfs2_fill_super+0xe20/0x1a9c [ 195.648284][ T6393] get_tree_bdev+0x35c/0x54c [ 195.649190][ T6393] gfs2_get_tree+0x58/0x1b8 [ 195.650197][ T6393] vfs_get_tree+0x90/0x278 [ 195.651148][ T6393] do_new_mount+0x228/0x818 [ 195.652074][ T6393] path_mount+0x57c/0xfe8 [ 195.653035][ T6393] __arm64_sys_mount+0x488/0x5f8 [ 195.654033][ T6393] invoke_syscall+0x98/0x28c [ 195.654981][ T6393] el0_svc_common+0x13c/0x258 [ 195.655918][ T6393] do_el0_svc+0x5c/0x140 [ 195.656848][ T6393] el0_svc+0x78/0x1d4 [ 195.657769][ T6393] el0t_64_sync_handler+0xcc/0xe4 [ 195.658781][ T6393] el0t_64_sync+0x1a0/0x1a4 [ 195.661277][ T6393] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.664026][ T6393] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.800986][ T6396] loop1: detected capacity change from 0 to 32768 [ 195.809044][ T6396] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 195.810546][ T6396] CPU: 0 PID: 6396 Comm: syz.1.506 Not tainted syzkaller #0 [ 195.811814][ T6396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 195.813502][ T6396] Call trace: [ 195.814077][ T6396] dump_backtrace+0x0/0x458 [ 195.814991][ T6396] show_stack+0x2c/0x3c [ 195.815725][ T6396] __dump_stack+0x30/0x40 [ 195.816581][ T6396] dump_stack_lvl+0xf4/0x15c [ 195.817468][ T6396] dump_stack+0x1c/0x5c [ 195.818282][ T6396] sysfs_create_dir_ns+0x244/0x264 [ 195.819242][ T6396] kobject_add_internal+0x594/0xc2c [ 195.820271][ T6396] kobject_init_and_add+0x128/0x194 [ 195.821321][ T6396] gfs2_sys_fs_add+0x208/0x428 [ 195.822395][ T6396] gfs2_fill_super+0xe20/0x1a9c [ 195.823380][ T6396] get_tree_bdev+0x35c/0x54c [ 195.824290][ T6396] gfs2_get_tree+0x58/0x1b8 [ 195.825297][ T6396] vfs_get_tree+0x90/0x278 [ 195.826249][ T6396] do_new_mount+0x228/0x818 [ 195.827218][ T6396] path_mount+0x57c/0xfe8 [ 195.828142][ T6396] __arm64_sys_mount+0x488/0x5f8 [ 195.829204][ T6396] invoke_syscall+0x98/0x28c [ 195.830156][ T6396] el0_svc_common+0x13c/0x258 [ 195.831188][ T6396] do_el0_svc+0x5c/0x140 [ 195.832104][ T6396] el0_svc+0x78/0x1d4 [ 195.832968][ T6396] el0t_64_sync_handler+0xcc/0xe4 [ 195.834004][ T6396] el0t_64_sync+0x1a0/0x1a4 [ 195.836258][ T6396] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 195.838507][ T6396] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 195.971394][ T6399] loop1: detected capacity change from 0 to 32768 [ 196.009454][ T6399] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 196.010902][ T6399] CPU: 0 PID: 6399 Comm: syz.1.507 Not tainted syzkaller #0 [ 196.012291][ T6399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 196.014391][ T6399] Call trace: [ 196.015065][ T6399] dump_backtrace+0x0/0x458 [ 196.016075][ T6399] show_stack+0x2c/0x3c [ 196.016878][ T6399] __dump_stack+0x30/0x40 [ 196.017881][ T6399] dump_stack_lvl+0xf4/0x15c [ 196.018974][ T6399] dump_stack+0x1c/0x5c [ 196.019965][ T6399] sysfs_create_dir_ns+0x244/0x264 [ 196.021203][ T6399] kobject_add_internal+0x594/0xc2c [ 196.022408][ T6399] kobject_init_and_add+0x128/0x194 [ 196.023657][ T6399] gfs2_sys_fs_add+0x208/0x428 [ 196.024812][ T6399] gfs2_fill_super+0xe20/0x1a9c [ 196.025751][ T6399] get_tree_bdev+0x35c/0x54c [ 196.026766][ T6399] gfs2_get_tree+0x58/0x1b8 [ 196.027711][ T6399] vfs_get_tree+0x90/0x278 [ 196.028581][ T6399] do_new_mount+0x228/0x818 [ 196.029474][ T6399] path_mount+0x57c/0xfe8 [ 196.030365][ T6399] __arm64_sys_mount+0x488/0x5f8 [ 196.031403][ T6399] invoke_syscall+0x98/0x28c [ 196.032428][ T6399] el0_svc_common+0x13c/0x258 [ 196.033360][ T6399] do_el0_svc+0x5c/0x140 [ 196.034285][ T6399] el0_svc+0x78/0x1d4 [ 196.035160][ T6399] el0t_64_sync_handler+0xcc/0xe4 [ 196.036332][ T6399] el0t_64_sync+0x1a0/0x1a4 [ 196.038872][ T6399] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.041148][ T6399] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 196.282873][ T6402] loop1: detected capacity change from 0 to 32768 [ 196.289496][ T6402] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 196.290872][ T6402] CPU: 0 PID: 6402 Comm: syz.1.508 Not tainted syzkaller #0 [ 196.292296][ T6402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 196.294228][ T6402] Call trace: [ 196.294920][ T6402] dump_backtrace+0x0/0x458 [ 196.295915][ T6402] show_stack+0x2c/0x3c [ 196.296703][ T6402] __dump_stack+0x30/0x40 [ 196.297608][ T6402] dump_stack_lvl+0xf4/0x15c [ 196.298534][ T6402] dump_stack+0x1c/0x5c [ 196.299372][ T6402] sysfs_create_dir_ns+0x244/0x264 [ 196.300438][ T6402] kobject_add_internal+0x594/0xc2c [ 196.301394][ T6402] kobject_init_and_add+0x128/0x194 [ 196.302514][ T6402] gfs2_sys_fs_add+0x208/0x428 [ 196.303471][ T6402] gfs2_fill_super+0xe20/0x1a9c [ 196.304551][ T6402] get_tree_bdev+0x35c/0x54c [ 196.305520][ T6402] gfs2_get_tree+0x58/0x1b8 [ 196.306463][ T6402] vfs_get_tree+0x90/0x278 [ 196.307446][ T6402] do_new_mount+0x228/0x818 [ 196.308451][ T6402] path_mount+0x57c/0xfe8 [ 196.309329][ T6402] __arm64_sys_mount+0x488/0x5f8 [ 196.310422][ T6402] invoke_syscall+0x98/0x28c [ 196.311368][ T6402] el0_svc_common+0x13c/0x258 [ 196.312341][ T6402] do_el0_svc+0x5c/0x140 [ 196.313208][ T6402] el0_svc+0x78/0x1d4 [ 196.313996][ T6402] el0t_64_sync_handler+0xcc/0xe4 [ 196.315000][ T6402] el0t_64_sync+0x1a0/0x1a4 [ 196.319442][ T6402] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.321735][ T6402] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 196.513143][ T6405] loop1: detected capacity change from 0 to 32768 [ 196.554014][ T6405] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 196.555371][ T6405] CPU: 0 PID: 6405 Comm: syz.1.509 Not tainted syzkaller #0 [ 196.556748][ T6405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 196.558597][ T6405] Call trace: [ 196.559276][ T6405] dump_backtrace+0x0/0x458 [ 196.560178][ T6405] show_stack+0x2c/0x3c [ 196.561065][ T6405] __dump_stack+0x30/0x40 [ 196.561939][ T6405] dump_stack_lvl+0xf4/0x15c [ 196.562862][ T6405] dump_stack+0x1c/0x5c [ 196.563718][ T6405] sysfs_create_dir_ns+0x244/0x264 [ 196.564757][ T6405] kobject_add_internal+0x594/0xc2c [ 196.565931][ T6405] kobject_init_and_add+0x128/0x194 [ 196.567063][ T6405] gfs2_sys_fs_add+0x208/0x428 [ 196.568082][ T6405] gfs2_fill_super+0xe20/0x1a9c [ 196.569134][ T6405] get_tree_bdev+0x35c/0x54c [ 196.569996][ T6405] gfs2_get_tree+0x58/0x1b8 [ 196.570903][ T6405] vfs_get_tree+0x90/0x278 [ 196.571811][ T6405] do_new_mount+0x228/0x818 [ 196.572755][ T6405] path_mount+0x57c/0xfe8 [ 196.573615][ T6405] __arm64_sys_mount+0x488/0x5f8 [ 196.574591][ T6405] invoke_syscall+0x98/0x28c [ 196.575518][ T6405] el0_svc_common+0x13c/0x258 [ 196.576451][ T6405] do_el0_svc+0x5c/0x140 [ 196.577313][ T6405] el0_svc+0x78/0x1d4 [ 196.578140][ T6405] el0t_64_sync_handler+0xcc/0xe4 [ 196.579137][ T6405] el0t_64_sync+0x1a0/0x1a4 [ 196.581552][ T6405] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.583927][ T6405] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 196.825211][ T6408] loop1: detected capacity change from 0 to 32768 [ 196.873951][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 196.875389][ T6408] CPU: 0 PID: 6408 Comm: syz.1.510 Not tainted syzkaller #0 [ 196.876802][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 196.878571][ T6408] Call trace: [ 196.879145][ T6408] dump_backtrace+0x0/0x458 [ 196.879998][ T6408] show_stack+0x2c/0x3c [ 196.880776][ T6408] __dump_stack+0x30/0x40 [ 196.881580][ T6408] dump_stack_lvl+0xf4/0x15c [ 196.882504][ T6408] dump_stack+0x1c/0x5c [ 196.883342][ T6408] sysfs_create_dir_ns+0x244/0x264 [ 196.884474][ T6408] kobject_add_internal+0x594/0xc2c [ 196.885564][ T6408] kobject_init_and_add+0x128/0x194 [ 196.886706][ T6408] gfs2_sys_fs_add+0x208/0x428 [ 196.887685][ T6408] gfs2_fill_super+0xe20/0x1a9c [ 196.888796][ T6408] get_tree_bdev+0x35c/0x54c [ 196.889752][ T6408] gfs2_get_tree+0x58/0x1b8 [ 196.890703][ T6408] vfs_get_tree+0x90/0x278 [ 196.891597][ T6408] do_new_mount+0x228/0x818 [ 196.892554][ T6408] path_mount+0x57c/0xfe8 [ 196.893426][ T6408] __arm64_sys_mount+0x488/0x5f8 [ 196.894456][ T6408] invoke_syscall+0x98/0x28c [ 196.895344][ T6408] el0_svc_common+0x13c/0x258 [ 196.896288][ T6408] do_el0_svc+0x5c/0x140 [ 196.897144][ T6408] el0_svc+0x78/0x1d4 [ 196.897920][ T6408] el0t_64_sync_handler+0xcc/0xe4 [ 196.898896][ T6408] el0t_64_sync+0x1a0/0x1a4 [ 196.901957][ T6408] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 196.904687][ T6408] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.043381][ T6411] loop1: detected capacity change from 0 to 32768 [ 197.050327][ T6411] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.051752][ T6411] CPU: 1 PID: 6411 Comm: syz.1.511 Not tainted syzkaller #0 [ 197.052983][ T6411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 197.054918][ T6411] Call trace: [ 197.055662][ T6411] dump_backtrace+0x0/0x458 [ 197.056639][ T6411] show_stack+0x2c/0x3c [ 197.057582][ T6411] __dump_stack+0x30/0x40 [ 197.058510][ T6411] dump_stack_lvl+0xf4/0x15c [ 197.059558][ T6411] dump_stack+0x1c/0x5c [ 197.060441][ T6411] sysfs_create_dir_ns+0x244/0x264 [ 197.061549][ T6411] kobject_add_internal+0x594/0xc2c [ 197.062589][ T6411] kobject_init_and_add+0x128/0x194 [ 197.063670][ T6411] gfs2_sys_fs_add+0x208/0x428 [ 197.064715][ T6411] gfs2_fill_super+0xe20/0x1a9c [ 197.065800][ T6411] get_tree_bdev+0x35c/0x54c [ 197.066845][ T6411] gfs2_get_tree+0x58/0x1b8 [ 197.067765][ T6411] vfs_get_tree+0x90/0x278 [ 197.068726][ T6411] do_new_mount+0x228/0x818 [ 197.069666][ T6411] path_mount+0x57c/0xfe8 [ 197.070556][ T6411] __arm64_sys_mount+0x488/0x5f8 [ 197.071598][ T6411] invoke_syscall+0x98/0x28c [ 197.072534][ T6411] el0_svc_common+0x13c/0x258 [ 197.073487][ T6411] do_el0_svc+0x5c/0x140 [ 197.074471][ T6411] el0_svc+0x78/0x1d4 [ 197.075242][ T6411] el0t_64_sync_handler+0xcc/0xe4 [ 197.076266][ T6411] el0t_64_sync+0x1a0/0x1a4 [ 197.078618][ T6411] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.081263][ T6411] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.239421][ T6414] loop1: detected capacity change from 0 to 32768 [ 197.246980][ T6414] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.248453][ T6414] CPU: 1 PID: 6414 Comm: syz.1.512 Not tainted syzkaller #0 [ 197.250016][ T6414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 197.252014][ T6414] Call trace: [ 197.252607][ T6414] dump_backtrace+0x0/0x458 [ 197.253502][ T6414] show_stack+0x2c/0x3c [ 197.254358][ T6414] __dump_stack+0x30/0x40 [ 197.255277][ T6414] dump_stack_lvl+0xf4/0x15c [ 197.256291][ T6414] dump_stack+0x1c/0x5c [ 197.257133][ T6414] sysfs_create_dir_ns+0x244/0x264 [ 197.258171][ T6414] kobject_add_internal+0x594/0xc2c [ 197.259309][ T6414] kobject_init_and_add+0x128/0x194 [ 197.260444][ T6414] gfs2_sys_fs_add+0x208/0x428 [ 197.261445][ T6414] gfs2_fill_super+0xe20/0x1a9c [ 197.262407][ T6414] get_tree_bdev+0x35c/0x54c [ 197.263289][ T6414] gfs2_get_tree+0x58/0x1b8 [ 197.264199][ T6414] vfs_get_tree+0x90/0x278 [ 197.265218][ T6414] do_new_mount+0x228/0x818 [ 197.266270][ T6414] path_mount+0x57c/0xfe8 [ 197.267243][ T6414] __arm64_sys_mount+0x488/0x5f8 [ 197.268287][ T6414] invoke_syscall+0x98/0x28c [ 197.269304][ T6414] el0_svc_common+0x13c/0x258 [ 197.270312][ T6414] do_el0_svc+0x5c/0x140 [ 197.271185][ T6414] el0_svc+0x78/0x1d4 [ 197.272026][ T6414] el0t_64_sync_handler+0xcc/0xe4 [ 197.273106][ T6414] el0t_64_sync+0x1a0/0x1a4 [ 197.274307][ T6414] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.277246][ T6414] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.450161][ T6417] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.451571][ T6417] CPU: 1 PID: 6417 Comm: syz.1.513 Not tainted syzkaller #0 [ 197.453028][ T6417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 197.455057][ T6417] Call trace: [ 197.455731][ T6417] dump_backtrace+0x0/0x458 [ 197.456762][ T6417] show_stack+0x2c/0x3c [ 197.457623][ T6417] __dump_stack+0x30/0x40 [ 197.458520][ T6417] dump_stack_lvl+0xf4/0x15c [ 197.459449][ T6417] dump_stack+0x1c/0x5c [ 197.460337][ T6417] sysfs_create_dir_ns+0x244/0x264 [ 197.461421][ T6417] kobject_add_internal+0x594/0xc2c [ 197.462566][ T6417] kobject_init_and_add+0x128/0x194 [ 197.463657][ T6417] gfs2_sys_fs_add+0x208/0x428 [ 197.464684][ T6417] gfs2_fill_super+0xe20/0x1a9c [ 197.465755][ T6417] get_tree_bdev+0x35c/0x54c [ 197.466779][ T6417] gfs2_get_tree+0x58/0x1b8 [ 197.467803][ T6417] vfs_get_tree+0x90/0x278 [ 197.468801][ T6417] do_new_mount+0x228/0x818 [ 197.469736][ T6417] path_mount+0x57c/0xfe8 [ 197.470681][ T6417] __arm64_sys_mount+0x488/0x5f8 [ 197.471734][ T6417] invoke_syscall+0x98/0x28c [ 197.472738][ T6417] el0_svc_common+0x13c/0x258 [ 197.473700][ T6417] do_el0_svc+0x5c/0x140 [ 197.474547][ T6417] el0_svc+0x78/0x1d4 [ 197.475387][ T6417] el0t_64_sync_handler+0xcc/0xe4 [ 197.476484][ T6417] el0t_64_sync+0x1a0/0x1a4 [ 197.477664][ T6417] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.480174][ T6417] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.744005][ T6420] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.745387][ T6420] CPU: 0 PID: 6420 Comm: syz.1.514 Not tainted syzkaller #0 [ 197.746756][ T6420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 197.748885][ T6420] Call trace: [ 197.749551][ T6420] dump_backtrace+0x0/0x458 [ 197.750430][ T6420] show_stack+0x2c/0x3c [ 197.751374][ T6420] __dump_stack+0x30/0x40 [ 197.752316][ T6420] dump_stack_lvl+0xf4/0x15c [ 197.753262][ T6420] dump_stack+0x1c/0x5c [ 197.754133][ T6420] sysfs_create_dir_ns+0x244/0x264 [ 197.755287][ T6420] kobject_add_internal+0x594/0xc2c [ 197.756437][ T6420] kobject_init_and_add+0x128/0x194 [ 197.757540][ T6420] gfs2_sys_fs_add+0x208/0x428 [ 197.758557][ T6420] gfs2_fill_super+0xe20/0x1a9c [ 197.759549][ T6420] get_tree_bdev+0x35c/0x54c [ 197.760481][ T6420] gfs2_get_tree+0x58/0x1b8 [ 197.761443][ T6420] vfs_get_tree+0x90/0x278 [ 197.762373][ T6420] do_new_mount+0x228/0x818 [ 197.763254][ T6420] path_mount+0x57c/0xfe8 [ 197.764076][ T6420] __arm64_sys_mount+0x488/0x5f8 [ 197.765118][ T6420] invoke_syscall+0x98/0x28c [ 197.765962][ T6420] el0_svc_common+0x13c/0x258 [ 197.766849][ T6420] do_el0_svc+0x5c/0x140 [ 197.767693][ T6420] el0_svc+0x78/0x1d4 [ 197.768486][ T6420] el0t_64_sync_handler+0xcc/0xe4 [ 197.769389][ T6420] el0t_64_sync+0x1a0/0x1a4 [ 197.770629][ T6420] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.773377][ T6420] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 197.964007][ T6423] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 197.965448][ T6423] CPU: 1 PID: 6423 Comm: syz.1.515 Not tainted syzkaller #0 [ 197.966682][ T6423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 197.968448][ T6423] Call trace: [ 197.969082][ T6423] dump_backtrace+0x0/0x458 [ 197.969993][ T6423] show_stack+0x2c/0x3c [ 197.970862][ T6423] __dump_stack+0x30/0x40 [ 197.971699][ T6423] dump_stack_lvl+0xf4/0x15c [ 197.972629][ T6423] dump_stack+0x1c/0x5c [ 197.973442][ T6423] sysfs_create_dir_ns+0x244/0x264 [ 197.974548][ T6423] kobject_add_internal+0x594/0xc2c [ 197.975735][ T6423] kobject_init_and_add+0x128/0x194 [ 197.976954][ T6423] gfs2_sys_fs_add+0x208/0x428 [ 197.978069][ T6423] gfs2_fill_super+0xe20/0x1a9c [ 197.979131][ T6423] get_tree_bdev+0x35c/0x54c [ 197.980138][ T6423] gfs2_get_tree+0x58/0x1b8 [ 197.981121][ T6423] vfs_get_tree+0x90/0x278 [ 197.982041][ T6423] do_new_mount+0x228/0x818 [ 197.982957][ T6423] path_mount+0x57c/0xfe8 [ 197.983835][ T6423] __arm64_sys_mount+0x488/0x5f8 [ 197.984866][ T6423] invoke_syscall+0x98/0x28c [ 197.985771][ T6423] el0_svc_common+0x13c/0x258 [ 197.986754][ T6423] do_el0_svc+0x5c/0x140 [ 197.987651][ T6423] el0_svc+0x78/0x1d4 [ 197.988454][ T6423] el0t_64_sync_handler+0xcc/0xe4 [ 197.989632][ T6423] el0t_64_sync+0x1a0/0x1a4 [ 197.990789][ T6423] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 197.993961][ T6423] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 198.175011][ T6426] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.176426][ T6426] CPU: 0 PID: 6426 Comm: syz.1.516 Not tainted syzkaller #0 [ 198.177919][ T6426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.180011][ T6426] Call trace: [ 198.180649][ T6426] dump_backtrace+0x0/0x458 [ 198.181483][ T6426] show_stack+0x2c/0x3c [ 198.182294][ T6426] __dump_stack+0x30/0x40 [ 198.183160][ T6426] dump_stack_lvl+0xf4/0x15c [ 198.184128][ T6426] dump_stack+0x1c/0x5c [ 198.185011][ T6426] sysfs_create_dir_ns+0x244/0x264 [ 198.186154][ T6426] kobject_add_internal+0x594/0xc2c [ 198.187248][ T6426] kobject_init_and_add+0x128/0x194 [ 198.188267][ T6426] gfs2_sys_fs_add+0x208/0x428 [ 198.189270][ T6426] gfs2_fill_super+0xe20/0x1a9c [ 198.190302][ T6426] get_tree_bdev+0x35c/0x54c [ 198.191250][ T6426] gfs2_get_tree+0x58/0x1b8 [ 198.192179][ T6426] vfs_get_tree+0x90/0x278 [ 198.193119][ T6426] do_new_mount+0x228/0x818 [ 198.193939][ T6426] path_mount+0x57c/0xfe8 [ 198.194915][ T6426] __arm64_sys_mount+0x488/0x5f8 [ 198.195891][ T6426] invoke_syscall+0x98/0x28c [ 198.196844][ T6426] el0_svc_common+0x13c/0x258 [ 198.197763][ T6426] do_el0_svc+0x5c/0x140 [ 198.198633][ T6426] el0_svc+0x78/0x1d4 [ 198.199400][ T6426] el0t_64_sync_handler+0xcc/0xe4 [ 198.200357][ T6426] el0t_64_sync+0x1a0/0x1a4 [ 198.202823][ T6426] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.205457][ T6426] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 198.347704][ T6429] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.349051][ T6429] CPU: 1 PID: 6429 Comm: syz.1.517 Not tainted syzkaller #0 [ 198.350565][ T6429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.352562][ T6429] Call trace: [ 198.353203][ T6429] dump_backtrace+0x0/0x458 [ 198.354173][ T6429] show_stack+0x2c/0x3c [ 198.355104][ T6429] __dump_stack+0x30/0x40 [ 198.356065][ T6429] dump_stack_lvl+0xf4/0x15c [ 198.357008][ T6429] dump_stack+0x1c/0x5c [ 198.357895][ T6429] sysfs_create_dir_ns+0x244/0x264 [ 198.359009][ T6429] kobject_add_internal+0x594/0xc2c [ 198.360111][ T6429] kobject_init_and_add+0x128/0x194 [ 198.361266][ T6429] gfs2_sys_fs_add+0x208/0x428 [ 198.362238][ T6429] gfs2_fill_super+0xe20/0x1a9c [ 198.363249][ T6429] get_tree_bdev+0x35c/0x54c [ 198.364235][ T6429] gfs2_get_tree+0x58/0x1b8 [ 198.365245][ T6429] vfs_get_tree+0x90/0x278 [ 198.366214][ T6429] do_new_mount+0x228/0x818 [ 198.367083][ T6429] path_mount+0x57c/0xfe8 [ 198.367994][ T6429] __arm64_sys_mount+0x488/0x5f8 [ 198.369074][ T6429] invoke_syscall+0x98/0x28c [ 198.370089][ T6429] el0_svc_common+0x13c/0x258 [ 198.371018][ T6429] do_el0_svc+0x5c/0x140 [ 198.371768][ T6429] el0_svc+0x78/0x1d4 [ 198.372561][ T6429] el0t_64_sync_handler+0xcc/0xe4 [ 198.373579][ T6429] el0t_64_sync+0x1a0/0x1a4 [ 198.376501][ T6429] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.378898][ T6429] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 198.544025][ T6432] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.546226][ T6432] CPU: 0 PID: 6432 Comm: syz.1.518 Not tainted syzkaller #0 [ 198.547643][ T6432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.549559][ T6432] Call trace: [ 198.550209][ T6432] dump_backtrace+0x0/0x458 [ 198.551187][ T6432] show_stack+0x2c/0x3c [ 198.551976][ T6432] __dump_stack+0x30/0x40 [ 198.552924][ T6432] dump_stack_lvl+0xf4/0x15c [ 198.553933][ T6432] dump_stack+0x1c/0x5c [ 198.554888][ T6432] sysfs_create_dir_ns+0x244/0x264 [ 198.555967][ T6432] kobject_add_internal+0x594/0xc2c [ 198.557140][ T6432] kobject_init_and_add+0x128/0x194 [ 198.558286][ T6432] gfs2_sys_fs_add+0x208/0x428 [ 198.559227][ T6432] gfs2_fill_super+0xe20/0x1a9c [ 198.560290][ T6432] get_tree_bdev+0x35c/0x54c [ 198.561250][ T6432] gfs2_get_tree+0x58/0x1b8 [ 198.562174][ T6432] vfs_get_tree+0x90/0x278 [ 198.563077][ T6432] do_new_mount+0x228/0x818 [ 198.564109][ T6432] path_mount+0x57c/0xfe8 [ 198.565084][ T6432] __arm64_sys_mount+0x488/0x5f8 [ 198.566178][ T6432] invoke_syscall+0x98/0x28c [ 198.567177][ T6432] el0_svc_common+0x13c/0x258 [ 198.568191][ T6432] do_el0_svc+0x5c/0x140 [ 198.569051][ T6432] el0_svc+0x78/0x1d4 [ 198.569870][ T6432] el0t_64_sync_handler+0xcc/0xe4 [ 198.570975][ T6432] el0t_64_sync+0x1a0/0x1a4 [ 198.572721][ T6432] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.575483][ T6432] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 198.720714][ T6435] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.722149][ T6435] CPU: 0 PID: 6435 Comm: syz.1.519 Not tainted syzkaller #0 [ 198.723641][ T6435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.725962][ T6435] Call trace: [ 198.726694][ T6435] dump_backtrace+0x0/0x458 [ 198.727688][ T6435] show_stack+0x2c/0x3c [ 198.728619][ T6435] __dump_stack+0x30/0x40 [ 198.729590][ T6435] dump_stack_lvl+0xf4/0x15c [ 198.730644][ T6435] dump_stack+0x1c/0x5c [ 198.731474][ T6435] sysfs_create_dir_ns+0x244/0x264 [ 198.732484][ T6435] kobject_add_internal+0x594/0xc2c [ 198.733508][ T6435] kobject_init_and_add+0x128/0x194 [ 198.734599][ T6435] gfs2_sys_fs_add+0x208/0x428 [ 198.735578][ T6435] gfs2_fill_super+0xe20/0x1a9c [ 198.736559][ T6435] get_tree_bdev+0x35c/0x54c [ 198.737492][ T6435] gfs2_get_tree+0x58/0x1b8 [ 198.738397][ T6435] vfs_get_tree+0x90/0x278 [ 198.739295][ T6435] do_new_mount+0x228/0x818 [ 198.740220][ T6435] path_mount+0x57c/0xfe8 [ 198.741082][ T6435] __arm64_sys_mount+0x488/0x5f8 [ 198.742055][ T6435] invoke_syscall+0x98/0x28c [ 198.742997][ T6435] el0_svc_common+0x13c/0x258 [ 198.744030][ T6435] do_el0_svc+0x5c/0x140 [ 198.744964][ T6435] el0_svc+0x78/0x1d4 [ 198.745865][ T6435] el0t_64_sync_handler+0xcc/0xe4 [ 198.746962][ T6435] el0t_64_sync+0x1a0/0x1a4 [ 198.748771][ T6435] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.751410][ T6435] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 198.944957][ T6438] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 198.946696][ T6438] CPU: 1 PID: 6438 Comm: syz.1.520 Not tainted syzkaller #0 [ 198.948123][ T6438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.950079][ T6438] Call trace: [ 198.950718][ T6438] dump_backtrace+0x0/0x458 [ 198.951675][ T6438] show_stack+0x2c/0x3c [ 198.952411][ T6438] __dump_stack+0x30/0x40 [ 198.953132][ T6438] dump_stack_lvl+0xf4/0x15c [ 198.954010][ T6438] dump_stack+0x1c/0x5c [ 198.954764][ T6438] sysfs_create_dir_ns+0x244/0x264 [ 198.955897][ T6438] kobject_add_internal+0x594/0xc2c [ 198.956955][ T6438] kobject_init_and_add+0x128/0x194 [ 198.958111][ T6438] gfs2_sys_fs_add+0x208/0x428 [ 198.959146][ T6438] gfs2_fill_super+0xe20/0x1a9c [ 198.960168][ T6438] get_tree_bdev+0x35c/0x54c [ 198.961127][ T6438] gfs2_get_tree+0x58/0x1b8 [ 198.962078][ T6438] vfs_get_tree+0x90/0x278 [ 198.962961][ T6438] do_new_mount+0x228/0x818 [ 198.963813][ T6438] path_mount+0x57c/0xfe8 [ 198.964628][ T6438] __arm64_sys_mount+0x488/0x5f8 [ 198.965568][ T6438] invoke_syscall+0x98/0x28c [ 198.966431][ T6438] el0_svc_common+0x13c/0x258 [ 198.967344][ T6438] do_el0_svc+0x5c/0x140 [ 198.968213][ T6438] el0_svc+0x78/0x1d4 [ 198.969016][ T6438] el0t_64_sync_handler+0xcc/0xe4 [ 198.970012][ T6438] el0t_64_sync+0x1a0/0x1a4 [ 198.971453][ T6438] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 198.973892][ T6438] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 199.117505][ T6441] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.118885][ T6441] CPU: 0 PID: 6441 Comm: syz.1.521 Not tainted syzkaller #0 [ 199.120179][ T6441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 199.121983][ T6441] Call trace: [ 199.122640][ T6441] dump_backtrace+0x0/0x458 [ 199.123498][ T6441] show_stack+0x2c/0x3c [ 199.124282][ T6441] __dump_stack+0x30/0x40 [ 199.125216][ T6441] dump_stack_lvl+0xf4/0x15c [ 199.126124][ T6441] dump_stack+0x1c/0x5c [ 199.127072][ T6441] sysfs_create_dir_ns+0x244/0x264 [ 199.128255][ T6441] kobject_add_internal+0x594/0xc2c [ 199.129498][ T6441] kobject_init_and_add+0x128/0x194 [ 199.130685][ T6441] gfs2_sys_fs_add+0x208/0x428 [ 199.131631][ T6441] gfs2_fill_super+0xe20/0x1a9c [ 199.132665][ T6441] get_tree_bdev+0x35c/0x54c [ 199.133663][ T6441] gfs2_get_tree+0x58/0x1b8 [ 199.135238][ T6441] vfs_get_tree+0x90/0x278 [ 199.136198][ T6441] do_new_mount+0x228/0x818 [ 199.137185][ T6441] path_mount+0x57c/0xfe8 [ 199.138159][ T6441] __arm64_sys_mount+0x488/0x5f8 [ 199.139131][ T6441] invoke_syscall+0x98/0x28c [ 199.139990][ T6441] el0_svc_common+0x13c/0x258 [ 199.140874][ T6441] do_el0_svc+0x5c/0x140 [ 199.141756][ T6441] el0_svc+0x78/0x1d4 [ 199.142595][ T6441] el0t_64_sync_handler+0xcc/0xe4 [ 199.143597][ T6441] el0t_64_sync+0x1a0/0x1a4 [ 199.147679][ T6441] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.150038][ T6441] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 199.375835][ T6444] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.377356][ T6444] CPU: 0 PID: 6444 Comm: syz.1.522 Not tainted syzkaller #0 [ 199.378849][ T6444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 199.380812][ T6444] Call trace: [ 199.381472][ T6444] dump_backtrace+0x0/0x458 [ 199.382414][ T6444] show_stack+0x2c/0x3c [ 199.383287][ T6444] __dump_stack+0x30/0x40 [ 199.384156][ T6444] dump_stack_lvl+0xf4/0x15c [ 199.385070][ T6444] dump_stack+0x1c/0x5c [ 199.385917][ T6444] sysfs_create_dir_ns+0x244/0x264 [ 199.386976][ T6444] kobject_add_internal+0x594/0xc2c [ 199.388053][ T6444] kobject_init_and_add+0x128/0x194 [ 199.389150][ T6444] gfs2_sys_fs_add+0x208/0x428 [ 199.390038][ T6444] gfs2_fill_super+0xe20/0x1a9c [ 199.391021][ T6444] get_tree_bdev+0x35c/0x54c [ 199.391944][ T6444] gfs2_get_tree+0x58/0x1b8 [ 199.392860][ T6444] vfs_get_tree+0x90/0x278 [ 199.393909][ T6444] do_new_mount+0x228/0x818 [ 199.394895][ T6444] path_mount+0x57c/0xfe8 [ 199.395815][ T6444] __arm64_sys_mount+0x488/0x5f8 [ 199.396897][ T6444] invoke_syscall+0x98/0x28c [ 199.397952][ T6444] el0_svc_common+0x13c/0x258 [ 199.398912][ T6444] do_el0_svc+0x5c/0x140 [ 199.399799][ T6444] el0_svc+0x78/0x1d4 [ 199.400681][ T6444] el0t_64_sync_handler+0xcc/0xe4 [ 199.401795][ T6444] el0t_64_sync+0x1a0/0x1a4 [ 199.404675][ T6444] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.407216][ T6444] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 199.694212][ T6447] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.696732][ T6447] CPU: 0 PID: 6447 Comm: syz.1.523 Not tainted syzkaller #0 [ 199.697994][ T6447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 199.699826][ T6447] Call trace: [ 199.700410][ T6447] dump_backtrace+0x0/0x458 [ 199.701218][ T6447] show_stack+0x2c/0x3c [ 199.701961][ T6447] __dump_stack+0x30/0x40 [ 199.702795][ T6447] dump_stack_lvl+0xf4/0x15c [ 199.703732][ T6447] dump_stack+0x1c/0x5c [ 199.704570][ T6447] sysfs_create_dir_ns+0x244/0x264 [ 199.705634][ T6447] kobject_add_internal+0x594/0xc2c [ 199.706725][ T6447] kobject_init_and_add+0x128/0x194 [ 199.707693][ T6447] gfs2_sys_fs_add+0x208/0x428 [ 199.708699][ T6447] gfs2_fill_super+0xe20/0x1a9c [ 199.709666][ T6447] get_tree_bdev+0x35c/0x54c [ 199.710699][ T6447] gfs2_get_tree+0x58/0x1b8 [ 199.711669][ T6447] vfs_get_tree+0x90/0x278 [ 199.712577][ T6447] do_new_mount+0x228/0x818 [ 199.713485][ T6447] path_mount+0x57c/0xfe8 [ 199.714364][ T6447] __arm64_sys_mount+0x488/0x5f8 [ 199.715360][ T6447] invoke_syscall+0x98/0x28c [ 199.716298][ T6447] el0_svc_common+0x13c/0x258 [ 199.717235][ T6447] do_el0_svc+0x5c/0x140 [ 199.718119][ T6447] el0_svc+0x78/0x1d4 [ 199.718958][ T6447] el0t_64_sync_handler+0xcc/0xe4 [ 199.719954][ T6447] el0t_64_sync+0x1a0/0x1a4 [ 199.723229][ T6447] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.725792][ T6447] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:19 executed programs: 510 [ 199.914678][ T6450] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 199.916086][ T6450] CPU: 0 PID: 6450 Comm: syz.1.524 Not tainted syzkaller #0 [ 199.917398][ T6450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 199.919122][ T6450] Call trace: [ 199.919696][ T6450] dump_backtrace+0x0/0x458 [ 199.920496][ T6450] show_stack+0x2c/0x3c [ 199.921333][ T6450] __dump_stack+0x30/0x40 [ 199.922156][ T6450] dump_stack_lvl+0xf4/0x15c [ 199.923041][ T6450] dump_stack+0x1c/0x5c [ 199.923942][ T6450] sysfs_create_dir_ns+0x244/0x264 [ 199.924986][ T6450] kobject_add_internal+0x594/0xc2c [ 199.925959][ T6450] kobject_init_and_add+0x128/0x194 [ 199.927105][ T6450] gfs2_sys_fs_add+0x208/0x428 [ 199.928087][ T6450] gfs2_fill_super+0xe20/0x1a9c [ 199.928931][ T6450] get_tree_bdev+0x35c/0x54c [ 199.929867][ T6450] gfs2_get_tree+0x58/0x1b8 [ 199.930791][ T6450] vfs_get_tree+0x90/0x278 [ 199.931774][ T6450] do_new_mount+0x228/0x818 [ 199.932748][ T6450] path_mount+0x57c/0xfe8 [ 199.933630][ T6450] __arm64_sys_mount+0x488/0x5f8 [ 199.934659][ T6450] invoke_syscall+0x98/0x28c [ 199.935624][ T6450] el0_svc_common+0x13c/0x258 [ 199.936536][ T6450] do_el0_svc+0x5c/0x140 [ 199.937427][ T6450] el0_svc+0x78/0x1d4 [ 199.938319][ T6450] el0t_64_sync_handler+0xcc/0xe4 [ 199.939397][ T6450] el0t_64_sync+0x1a0/0x1a4 [ 199.941939][ T6450] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 199.944284][ T6450] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.114018][ T6453] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.115456][ T6453] CPU: 0 PID: 6453 Comm: syz.1.525 Not tainted syzkaller #0 [ 200.116881][ T6453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 200.118526][ T6453] Call trace: [ 200.119175][ T6453] dump_backtrace+0x0/0x458 [ 200.120105][ T6453] show_stack+0x2c/0x3c [ 200.120923][ T6453] __dump_stack+0x30/0x40 [ 200.121757][ T6453] dump_stack_lvl+0xf4/0x15c [ 200.122638][ T6453] dump_stack+0x1c/0x5c [ 200.123459][ T6453] sysfs_create_dir_ns+0x244/0x264 [ 200.124612][ T6453] kobject_add_internal+0x594/0xc2c [ 200.125753][ T6453] kobject_init_and_add+0x128/0x194 [ 200.126924][ T6453] gfs2_sys_fs_add+0x208/0x428 [ 200.128011][ T6453] gfs2_fill_super+0xe20/0x1a9c [ 200.129047][ T6453] get_tree_bdev+0x35c/0x54c [ 200.129963][ T6453] gfs2_get_tree+0x58/0x1b8 [ 200.130857][ T6453] vfs_get_tree+0x90/0x278 [ 200.131739][ T6453] do_new_mount+0x228/0x818 [ 200.132614][ T6453] path_mount+0x57c/0xfe8 [ 200.133456][ T6453] __arm64_sys_mount+0x488/0x5f8 [ 200.134384][ T6453] invoke_syscall+0x98/0x28c [ 200.135286][ T6453] el0_svc_common+0x13c/0x258 [ 200.136193][ T6453] do_el0_svc+0x5c/0x140 [ 200.137045][ T6453] el0_svc+0x78/0x1d4 [ 200.137863][ T6453] el0t_64_sync_handler+0xcc/0xe4 [ 200.138872][ T6453] el0t_64_sync+0x1a0/0x1a4 [ 200.142119][ T6453] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.144676][ T6453] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.280121][ T6456] set_capacity_and_notify: 13 callbacks suppressed [ 200.280131][ T6456] loop1: detected capacity change from 0 to 32768 [ 200.288778][ T6456] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.290266][ T6456] CPU: 1 PID: 6456 Comm: syz.1.526 Not tainted syzkaller #0 [ 200.291693][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 200.293913][ T6456] Call trace: [ 200.294667][ T6456] dump_backtrace+0x0/0x458 [ 200.295619][ T6456] show_stack+0x2c/0x3c [ 200.296519][ T6456] __dump_stack+0x30/0x40 [ 200.297407][ T6456] dump_stack_lvl+0xf4/0x15c [ 200.298364][ T6456] dump_stack+0x1c/0x5c [ 200.299197][ T6456] sysfs_create_dir_ns+0x244/0x264 [ 200.300258][ T6456] kobject_add_internal+0x594/0xc2c [ 200.301356][ T6456] kobject_init_and_add+0x128/0x194 [ 200.302331][ T6456] gfs2_sys_fs_add+0x208/0x428 [ 200.303257][ T6456] gfs2_fill_super+0xe20/0x1a9c [ 200.304220][ T6456] get_tree_bdev+0x35c/0x54c [ 200.305193][ T6456] gfs2_get_tree+0x58/0x1b8 [ 200.306256][ T6456] vfs_get_tree+0x90/0x278 [ 200.307103][ T6456] do_new_mount+0x228/0x818 [ 200.308055][ T6456] path_mount+0x57c/0xfe8 [ 200.309030][ T6456] __arm64_sys_mount+0x488/0x5f8 [ 200.310157][ T6456] invoke_syscall+0x98/0x28c [ 200.311163][ T6456] el0_svc_common+0x13c/0x258 [ 200.312161][ T6456] do_el0_svc+0x5c/0x140 [ 200.313036][ T6456] el0_svc+0x78/0x1d4 [ 200.313781][ T6456] el0t_64_sync_handler+0xcc/0xe4 [ 200.314785][ T6456] el0t_64_sync+0x1a0/0x1a4 [ 200.317731][ T6456] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.320140][ T6456] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.498368][ T6460] loop1: detected capacity change from 0 to 32768 [ 200.533967][ T6460] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.535417][ T6460] CPU: 1 PID: 6460 Comm: syz.1.527 Not tainted syzkaller #0 [ 200.536707][ T6460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 200.538512][ T6460] Call trace: [ 200.539100][ T6460] dump_backtrace+0x0/0x458 [ 200.539951][ T6460] show_stack+0x2c/0x3c [ 200.540733][ T6460] __dump_stack+0x30/0x40 [ 200.541566][ T6460] dump_stack_lvl+0xf4/0x15c [ 200.542487][ T6460] dump_stack+0x1c/0x5c [ 200.543291][ T6460] sysfs_create_dir_ns+0x244/0x264 [ 200.544403][ T6460] kobject_add_internal+0x594/0xc2c [ 200.545549][ T6460] kobject_init_and_add+0x128/0x194 [ 200.546670][ T6460] gfs2_sys_fs_add+0x208/0x428 [ 200.547615][ T6460] gfs2_fill_super+0xe20/0x1a9c [ 200.548668][ T6460] get_tree_bdev+0x35c/0x54c [ 200.549684][ T6460] gfs2_get_tree+0x58/0x1b8 [ 200.550695][ T6460] vfs_get_tree+0x90/0x278 [ 200.551701][ T6460] do_new_mount+0x228/0x818 [ 200.552686][ T6460] path_mount+0x57c/0xfe8 [ 200.553678][ T6460] __arm64_sys_mount+0x488/0x5f8 [ 200.554800][ T6460] invoke_syscall+0x98/0x28c [ 200.555833][ T6460] el0_svc_common+0x13c/0x258 [ 200.556782][ T6460] do_el0_svc+0x5c/0x140 [ 200.557603][ T6460] el0_svc+0x78/0x1d4 [ 200.558361][ T6460] el0t_64_sync_handler+0xcc/0xe4 [ 200.559320][ T6460] el0t_64_sync+0x1a0/0x1a4 [ 200.560268][ T6460] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.562831][ T6460] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.703168][ T6463] loop1: detected capacity change from 0 to 32768 [ 200.710160][ T6463] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.711659][ T6463] CPU: 0 PID: 6463 Comm: syz.1.528 Not tainted syzkaller #0 [ 200.713235][ T6463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 200.715371][ T6463] Call trace: [ 200.716068][ T6463] dump_backtrace+0x0/0x458 [ 200.717021][ T6463] show_stack+0x2c/0x3c [ 200.717801][ T6463] __dump_stack+0x30/0x40 [ 200.718711][ T6463] dump_stack_lvl+0xf4/0x15c [ 200.719660][ T6463] dump_stack+0x1c/0x5c [ 200.720561][ T6463] sysfs_create_dir_ns+0x244/0x264 [ 200.721575][ T6463] kobject_add_internal+0x594/0xc2c [ 200.722655][ T6463] kobject_init_and_add+0x128/0x194 [ 200.723740][ T6463] gfs2_sys_fs_add+0x208/0x428 [ 200.724761][ T6463] gfs2_fill_super+0xe20/0x1a9c [ 200.725757][ T6463] get_tree_bdev+0x35c/0x54c [ 200.726739][ T6463] gfs2_get_tree+0x58/0x1b8 [ 200.727628][ T6463] vfs_get_tree+0x90/0x278 [ 200.728573][ T6463] do_new_mount+0x228/0x818 [ 200.729563][ T6463] path_mount+0x57c/0xfe8 [ 200.730479][ T6463] __arm64_sys_mount+0x488/0x5f8 [ 200.731539][ T6463] invoke_syscall+0x98/0x28c [ 200.732433][ T6463] el0_svc_common+0x13c/0x258 [ 200.733383][ T6463] do_el0_svc+0x5c/0x140 [ 200.734154][ T6463] el0_svc+0x78/0x1d4 [ 200.734921][ T6463] el0t_64_sync_handler+0xcc/0xe4 [ 200.735890][ T6463] el0t_64_sync+0x1a0/0x1a4 [ 200.740230][ T6463] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.742605][ T6463] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 200.879245][ T6466] loop1: detected capacity change from 0 to 32768 [ 200.914357][ T6466] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 200.915826][ T6466] CPU: 1 PID: 6466 Comm: syz.1.529 Not tainted syzkaller #0 [ 200.917211][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 200.918968][ T6466] Call trace: [ 200.919597][ T6466] dump_backtrace+0x0/0x458 [ 200.920495][ T6466] show_stack+0x2c/0x3c [ 200.921302][ T6466] __dump_stack+0x30/0x40 [ 200.922122][ T6466] dump_stack_lvl+0xf4/0x15c [ 200.922987][ T6466] dump_stack+0x1c/0x5c [ 200.923746][ T6466] sysfs_create_dir_ns+0x244/0x264 [ 200.924715][ T6466] kobject_add_internal+0x594/0xc2c [ 200.925772][ T6466] kobject_init_and_add+0x128/0x194 [ 200.926792][ T6466] gfs2_sys_fs_add+0x208/0x428 [ 200.927691][ T6466] gfs2_fill_super+0xe20/0x1a9c [ 200.928782][ T6466] get_tree_bdev+0x35c/0x54c [ 200.929730][ T6466] gfs2_get_tree+0x58/0x1b8 [ 200.930543][ T6466] vfs_get_tree+0x90/0x278 [ 200.931373][ T6466] do_new_mount+0x228/0x818 [ 200.932254][ T6466] path_mount+0x57c/0xfe8 [ 200.933051][ T6466] __arm64_sys_mount+0x488/0x5f8 [ 200.933970][ T6466] invoke_syscall+0x98/0x28c [ 200.934859][ T6466] el0_svc_common+0x13c/0x258 [ 200.935773][ T6466] do_el0_svc+0x5c/0x140 [ 200.936582][ T6466] el0_svc+0x78/0x1d4 [ 200.937446][ T6466] el0t_64_sync_handler+0xcc/0xe4 [ 200.938551][ T6466] el0t_64_sync+0x1a0/0x1a4 [ 200.939897][ T6466] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 200.944876][ T6466] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.079417][ T6470] loop1: detected capacity change from 0 to 32768 [ 201.114017][ T6470] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.115341][ T6470] CPU: 1 PID: 6470 Comm: syz.1.530 Not tainted syzkaller #0 [ 201.116733][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 201.118738][ T6470] Call trace: [ 201.119390][ T6470] dump_backtrace+0x0/0x458 [ 201.120338][ T6470] show_stack+0x2c/0x3c [ 201.121240][ T6470] __dump_stack+0x30/0x40 [ 201.122262][ T6470] dump_stack_lvl+0xf4/0x15c [ 201.123259][ T6470] dump_stack+0x1c/0x5c [ 201.124194][ T6470] sysfs_create_dir_ns+0x244/0x264 [ 201.125265][ T6470] kobject_add_internal+0x594/0xc2c [ 201.126384][ T6470] kobject_init_and_add+0x128/0x194 [ 201.127392][ T6470] gfs2_sys_fs_add+0x208/0x428 [ 201.128421][ T6470] gfs2_fill_super+0xe20/0x1a9c [ 201.129482][ T6470] get_tree_bdev+0x35c/0x54c [ 201.130489][ T6470] gfs2_get_tree+0x58/0x1b8 [ 201.131490][ T6470] vfs_get_tree+0x90/0x278 [ 201.132359][ T6470] do_new_mount+0x228/0x818 [ 201.133285][ T6470] path_mount+0x57c/0xfe8 [ 201.134162][ T6470] __arm64_sys_mount+0x488/0x5f8 [ 201.135251][ T6470] invoke_syscall+0x98/0x28c [ 201.136239][ T6470] el0_svc_common+0x13c/0x258 [ 201.137137][ T6470] do_el0_svc+0x5c/0x140 [ 201.137986][ T6470] el0_svc+0x78/0x1d4 [ 201.138782][ T6470] el0t_64_sync_handler+0xcc/0xe4 [ 201.139710][ T6470] el0t_64_sync+0x1a0/0x1a4 [ 201.141036][ T6470] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.143625][ T6470] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.277852][ T6473] loop1: detected capacity change from 0 to 32768 [ 201.324658][ T6473] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.326032][ T6473] CPU: 0 PID: 6473 Comm: syz.1.531 Not tainted syzkaller #0 [ 201.327453][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 201.329224][ T6473] Call trace: [ 201.329797][ T6473] dump_backtrace+0x0/0x458 [ 201.330692][ T6473] show_stack+0x2c/0x3c [ 201.331492][ T6473] __dump_stack+0x30/0x40 [ 201.332363][ T6473] dump_stack_lvl+0xf4/0x15c [ 201.333266][ T6473] dump_stack+0x1c/0x5c [ 201.334082][ T6473] sysfs_create_dir_ns+0x244/0x264 [ 201.335076][ T6473] kobject_add_internal+0x594/0xc2c [ 201.336096][ T6473] kobject_init_and_add+0x128/0x194 [ 201.337127][ T6473] gfs2_sys_fs_add+0x208/0x428 [ 201.338109][ T6473] gfs2_fill_super+0xe20/0x1a9c [ 201.339051][ T6473] get_tree_bdev+0x35c/0x54c [ 201.339953][ T6473] gfs2_get_tree+0x58/0x1b8 [ 201.340826][ T6473] vfs_get_tree+0x90/0x278 [ 201.341645][ T6473] do_new_mount+0x228/0x818 [ 201.342516][ T6473] path_mount+0x57c/0xfe8 [ 201.343379][ T6473] __arm64_sys_mount+0x488/0x5f8 [ 201.344301][ T6473] invoke_syscall+0x98/0x28c [ 201.345182][ T6473] el0_svc_common+0x13c/0x258 [ 201.346124][ T6473] do_el0_svc+0x5c/0x140 [ 201.346988][ T6473] el0_svc+0x78/0x1d4 [ 201.347829][ T6473] el0t_64_sync_handler+0xcc/0xe4 [ 201.348837][ T6473] el0t_64_sync+0x1a0/0x1a4 [ 201.350155][ T6473] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.352791][ T6473] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.488416][ T6476] loop1: detected capacity change from 0 to 32768 [ 201.529193][ T6476] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.530548][ T6476] CPU: 0 PID: 6476 Comm: syz.1.532 Not tainted syzkaller #0 [ 201.531968][ T6476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 201.533999][ T6476] Call trace: [ 201.534633][ T6476] dump_backtrace+0x0/0x458 [ 201.535520][ T6476] show_stack+0x2c/0x3c [ 201.536321][ T6476] __dump_stack+0x30/0x40 [ 201.537194][ T6476] dump_stack_lvl+0xf4/0x15c [ 201.538054][ T6476] dump_stack+0x1c/0x5c [ 201.538768][ T6476] sysfs_create_dir_ns+0x244/0x264 [ 201.539754][ T6476] kobject_add_internal+0x594/0xc2c [ 201.540730][ T6476] kobject_init_and_add+0x128/0x194 [ 201.541723][ T6476] gfs2_sys_fs_add+0x208/0x428 [ 201.542611][ T6476] gfs2_fill_super+0xe20/0x1a9c [ 201.543594][ T6476] get_tree_bdev+0x35c/0x54c [ 201.544434][ T6476] gfs2_get_tree+0x58/0x1b8 [ 201.545312][ T6476] vfs_get_tree+0x90/0x278 [ 201.546127][ T6476] do_new_mount+0x228/0x818 [ 201.546962][ T6476] path_mount+0x57c/0xfe8 [ 201.547813][ T6476] __arm64_sys_mount+0x488/0x5f8 [ 201.548820][ T6476] invoke_syscall+0x98/0x28c [ 201.549732][ T6476] el0_svc_common+0x13c/0x258 [ 201.550639][ T6476] do_el0_svc+0x5c/0x140 [ 201.551436][ T6476] el0_svc+0x78/0x1d4 [ 201.552223][ T6476] el0t_64_sync_handler+0xcc/0xe4 [ 201.553209][ T6476] el0t_64_sync+0x1a0/0x1a4 [ 201.556685][ T6476] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.559061][ T6476] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.701278][ T6480] loop1: detected capacity change from 0 to 32768 [ 201.708523][ T6480] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.710058][ T6480] CPU: 1 PID: 6480 Comm: syz.1.533 Not tainted syzkaller #0 [ 201.711668][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 201.713638][ T6480] Call trace: [ 201.714259][ T6480] dump_backtrace+0x0/0x458 [ 201.715151][ T6480] show_stack+0x2c/0x3c [ 201.716060][ T6480] __dump_stack+0x30/0x40 [ 201.716973][ T6480] dump_stack_lvl+0xf4/0x15c [ 201.717897][ T6480] dump_stack+0x1c/0x5c [ 201.718847][ T6480] sysfs_create_dir_ns+0x244/0x264 [ 201.719990][ T6480] kobject_add_internal+0x594/0xc2c [ 201.721099][ T6480] kobject_init_and_add+0x128/0x194 [ 201.722146][ T6480] gfs2_sys_fs_add+0x208/0x428 [ 201.723141][ T6480] gfs2_fill_super+0xe20/0x1a9c [ 201.724168][ T6480] get_tree_bdev+0x35c/0x54c [ 201.725132][ T6480] gfs2_get_tree+0x58/0x1b8 [ 201.726078][ T6480] vfs_get_tree+0x90/0x278 [ 201.727046][ T6480] do_new_mount+0x228/0x818 [ 201.727911][ T6480] path_mount+0x57c/0xfe8 [ 201.728886][ T6480] __arm64_sys_mount+0x488/0x5f8 [ 201.730034][ T6480] invoke_syscall+0x98/0x28c [ 201.731097][ T6480] el0_svc_common+0x13c/0x258 [ 201.732153][ T6480] do_el0_svc+0x5c/0x140 [ 201.733053][ T6480] el0_svc+0x78/0x1d4 [ 201.733926][ T6480] el0t_64_sync_handler+0xcc/0xe4 [ 201.734960][ T6480] el0t_64_sync+0x1a0/0x1a4 [ 201.737373][ T6480] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.739723][ T6480] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 201.874769][ T6483] loop1: detected capacity change from 0 to 32768 [ 201.918196][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 201.919663][ T6483] CPU: 0 PID: 6483 Comm: syz.1.534 Not tainted syzkaller #0 [ 201.921054][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 201.922976][ T6483] Call trace: [ 201.923545][ T6483] dump_backtrace+0x0/0x458 [ 201.924504][ T6483] show_stack+0x2c/0x3c [ 201.925390][ T6483] __dump_stack+0x30/0x40 [ 201.926270][ T6483] dump_stack_lvl+0xf4/0x15c [ 201.927138][ T6483] dump_stack+0x1c/0x5c [ 201.927922][ T6483] sysfs_create_dir_ns+0x244/0x264 [ 201.928932][ T6483] kobject_add_internal+0x594/0xc2c [ 201.930004][ T6483] kobject_init_and_add+0x128/0x194 [ 201.931036][ T6483] gfs2_sys_fs_add+0x208/0x428 [ 201.932040][ T6483] gfs2_fill_super+0xe20/0x1a9c [ 201.933099][ T6483] get_tree_bdev+0x35c/0x54c [ 201.934033][ T6483] gfs2_get_tree+0x58/0x1b8 [ 201.934879][ T6483] vfs_get_tree+0x90/0x278 [ 201.935741][ T6483] do_new_mount+0x228/0x818 [ 201.936672][ T6483] path_mount+0x57c/0xfe8 [ 201.937537][ T6483] __arm64_sys_mount+0x488/0x5f8 [ 201.938492][ T6483] invoke_syscall+0x98/0x28c [ 201.939469][ T6483] el0_svc_common+0x13c/0x258 [ 201.940750][ T6483] do_el0_svc+0x5c/0x140 [ 201.941652][ T6483] el0_svc+0x78/0x1d4 [ 201.942491][ T6483] el0t_64_sync_handler+0xcc/0xe4 [ 201.943566][ T6483] el0t_64_sync+0x1a0/0x1a4 [ 201.945267][ T6483] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.948185][ T6483] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.122238][ T6487] loop1: detected capacity change from 0 to 32768 [ 202.129557][ T6487] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.130878][ T6487] CPU: 1 PID: 6487 Comm: syz.1.535 Not tainted syzkaller #0 [ 202.132304][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.134372][ T6487] Call trace: [ 202.135075][ T6487] dump_backtrace+0x0/0x458 [ 202.135975][ T6487] show_stack+0x2c/0x3c [ 202.136877][ T6487] __dump_stack+0x30/0x40 [ 202.137770][ T6487] dump_stack_lvl+0xf4/0x15c [ 202.138704][ T6487] dump_stack+0x1c/0x5c [ 202.139635][ T6487] sysfs_create_dir_ns+0x244/0x264 [ 202.140591][ T6487] kobject_add_internal+0x594/0xc2c [ 202.141553][ T6487] kobject_init_and_add+0x128/0x194 [ 202.142576][ T6487] gfs2_sys_fs_add+0x208/0x428 [ 202.143611][ T6487] gfs2_fill_super+0xe20/0x1a9c [ 202.144625][ T6487] get_tree_bdev+0x35c/0x54c [ 202.145471][ T6487] gfs2_get_tree+0x58/0x1b8 [ 202.146353][ T6487] vfs_get_tree+0x90/0x278 [ 202.147374][ T6487] do_new_mount+0x228/0x818 [ 202.148377][ T6487] path_mount+0x57c/0xfe8 [ 202.149275][ T6487] __arm64_sys_mount+0x488/0x5f8 [ 202.150288][ T6487] invoke_syscall+0x98/0x28c [ 202.151226][ T6487] el0_svc_common+0x13c/0x258 [ 202.152172][ T6487] do_el0_svc+0x5c/0x140 [ 202.153029][ T6487] el0_svc+0x78/0x1d4 [ 202.153793][ T6487] el0t_64_sync_handler+0xcc/0xe4 [ 202.154837][ T6487] el0t_64_sync+0x1a0/0x1a4 [ 202.157596][ T6487] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.159963][ T6487] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.299775][ T6491] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.301130][ T6491] CPU: 1 PID: 6491 Comm: syz.1.536 Not tainted syzkaller #0 [ 202.302322][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.304089][ T6491] Call trace: [ 202.304757][ T6491] dump_backtrace+0x0/0x458 [ 202.305754][ T6491] show_stack+0x2c/0x3c [ 202.306679][ T6491] __dump_stack+0x30/0x40 [ 202.307661][ T6491] dump_stack_lvl+0xf4/0x15c [ 202.308685][ T6491] dump_stack+0x1c/0x5c [ 202.309509][ T6491] sysfs_create_dir_ns+0x244/0x264 [ 202.310666][ T6491] kobject_add_internal+0x594/0xc2c [ 202.311815][ T6491] kobject_init_and_add+0x128/0x194 [ 202.312971][ T6491] gfs2_sys_fs_add+0x208/0x428 [ 202.313859][ T6491] gfs2_fill_super+0xe20/0x1a9c [ 202.314847][ T6491] get_tree_bdev+0x35c/0x54c [ 202.315851][ T6491] gfs2_get_tree+0x58/0x1b8 [ 202.316837][ T6491] vfs_get_tree+0x90/0x278 [ 202.317818][ T6491] do_new_mount+0x228/0x818 [ 202.318782][ T6491] path_mount+0x57c/0xfe8 [ 202.319665][ T6491] __arm64_sys_mount+0x488/0x5f8 [ 202.320707][ T6491] invoke_syscall+0x98/0x28c [ 202.321665][ T6491] el0_svc_common+0x13c/0x258 [ 202.322674][ T6491] do_el0_svc+0x5c/0x140 [ 202.323616][ T6491] el0_svc+0x78/0x1d4 [ 202.324443][ T6491] el0t_64_sync_handler+0xcc/0xe4 [ 202.325448][ T6491] el0t_64_sync+0x1a0/0x1a4 [ 202.329197][ T6491] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.331473][ T6491] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.480692][ T6494] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.482307][ T6494] CPU: 0 PID: 6494 Comm: syz.1.537 Not tainted syzkaller #0 [ 202.483708][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.485695][ T6494] Call trace: [ 202.486349][ T6494] dump_backtrace+0x0/0x458 [ 202.487236][ T6494] show_stack+0x2c/0x3c [ 202.488017][ T6494] __dump_stack+0x30/0x40 [ 202.488882][ T6494] dump_stack_lvl+0xf4/0x15c [ 202.489759][ T6494] dump_stack+0x1c/0x5c [ 202.490576][ T6494] sysfs_create_dir_ns+0x244/0x264 [ 202.491615][ T6494] kobject_add_internal+0x594/0xc2c [ 202.492726][ T6494] kobject_init_and_add+0x128/0x194 [ 202.493812][ T6494] gfs2_sys_fs_add+0x208/0x428 [ 202.494731][ T6494] gfs2_fill_super+0xe20/0x1a9c [ 202.495664][ T6494] get_tree_bdev+0x35c/0x54c [ 202.496559][ T6494] gfs2_get_tree+0x58/0x1b8 [ 202.497358][ T6494] vfs_get_tree+0x90/0x278 [ 202.498198][ T6494] do_new_mount+0x228/0x818 [ 202.499062][ T6494] path_mount+0x57c/0xfe8 [ 202.499951][ T6494] __arm64_sys_mount+0x488/0x5f8 [ 202.500976][ T6494] invoke_syscall+0x98/0x28c [ 202.501897][ T6494] el0_svc_common+0x13c/0x258 [ 202.502820][ T6494] do_el0_svc+0x5c/0x140 [ 202.503580][ T6494] el0_svc+0x78/0x1d4 [ 202.504347][ T6494] el0t_64_sync_handler+0xcc/0xe4 [ 202.505353][ T6494] el0t_64_sync+0x1a0/0x1a4 [ 202.507889][ T6494] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.510447][ T6494] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.694603][ T6497] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.696038][ T6497] CPU: 0 PID: 6497 Comm: syz.1.538 Not tainted syzkaller #0 [ 202.697304][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.699152][ T6497] Call trace: [ 202.699756][ T6497] dump_backtrace+0x0/0x458 [ 202.700589][ T6497] show_stack+0x2c/0x3c [ 202.701416][ T6497] __dump_stack+0x30/0x40 [ 202.702271][ T6497] dump_stack_lvl+0xf4/0x15c [ 202.703201][ T6497] dump_stack+0x1c/0x5c [ 202.704099][ T6497] sysfs_create_dir_ns+0x244/0x264 [ 202.705217][ T6497] kobject_add_internal+0x594/0xc2c [ 202.706230][ T6497] kobject_init_and_add+0x128/0x194 [ 202.707319][ T6497] gfs2_sys_fs_add+0x208/0x428 [ 202.708272][ T6497] gfs2_fill_super+0xe20/0x1a9c [ 202.709293][ T6497] get_tree_bdev+0x35c/0x54c [ 202.710277][ T6497] gfs2_get_tree+0x58/0x1b8 [ 202.711227][ T6497] vfs_get_tree+0x90/0x278 [ 202.712152][ T6497] do_new_mount+0x228/0x818 [ 202.713114][ T6497] path_mount+0x57c/0xfe8 [ 202.714017][ T6497] __arm64_sys_mount+0x488/0x5f8 [ 202.715078][ T6497] invoke_syscall+0x98/0x28c [ 202.716118][ T6497] el0_svc_common+0x13c/0x258 [ 202.717152][ T6497] do_el0_svc+0x5c/0x140 [ 202.718031][ T6497] el0_svc+0x78/0x1d4 [ 202.718818][ T6497] el0t_64_sync_handler+0xcc/0xe4 [ 202.719821][ T6497] el0t_64_sync+0x1a0/0x1a4 [ 202.722080][ T6497] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.726013][ T6497] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 202.904031][ T6500] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 202.905332][ T6500] CPU: 0 PID: 6500 Comm: syz.1.539 Not tainted syzkaller #0 [ 202.906764][ T6500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.908606][ T6500] Call trace: [ 202.909128][ T6500] dump_backtrace+0x0/0x458 [ 202.909902][ T6500] show_stack+0x2c/0x3c [ 202.910643][ T6500] __dump_stack+0x30/0x40 [ 202.911354][ T6500] dump_stack_lvl+0xf4/0x15c [ 202.912176][ T6500] dump_stack+0x1c/0x5c [ 202.913023][ T6500] sysfs_create_dir_ns+0x244/0x264 [ 202.914099][ T6500] kobject_add_internal+0x594/0xc2c [ 202.915130][ T6500] kobject_init_and_add+0x128/0x194 [ 202.916158][ T6500] gfs2_sys_fs_add+0x208/0x428 [ 202.917151][ T6500] gfs2_fill_super+0xe20/0x1a9c [ 202.918089][ T6500] get_tree_bdev+0x35c/0x54c [ 202.919127][ T6500] gfs2_get_tree+0x58/0x1b8 [ 202.920147][ T6500] vfs_get_tree+0x90/0x278 [ 202.921162][ T6500] do_new_mount+0x228/0x818 [ 202.922103][ T6500] path_mount+0x57c/0xfe8 [ 202.923163][ T6500] __arm64_sys_mount+0x488/0x5f8 [ 202.924080][ T6500] invoke_syscall+0x98/0x28c [ 202.924984][ T6500] el0_svc_common+0x13c/0x258 [ 202.925975][ T6500] do_el0_svc+0x5c/0x140 [ 202.926768][ T6500] el0_svc+0x78/0x1d4 [ 202.927538][ T6500] el0t_64_sync_handler+0xcc/0xe4 [ 202.928510][ T6500] el0t_64_sync+0x1a0/0x1a4 [ 202.931547][ T6500] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.934232][ T6500] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.124104][ T6503] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.125542][ T6503] CPU: 0 PID: 6503 Comm: syz.1.540 Not tainted syzkaller #0 [ 203.126980][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.128745][ T6503] Call trace: [ 203.129407][ T6503] dump_backtrace+0x0/0x458 [ 203.130315][ T6503] show_stack+0x2c/0x3c [ 203.131231][ T6503] __dump_stack+0x30/0x40 [ 203.132157][ T6503] dump_stack_lvl+0xf4/0x15c [ 203.133052][ T6503] dump_stack+0x1c/0x5c [ 203.133881][ T6503] sysfs_create_dir_ns+0x244/0x264 [ 203.134856][ T6503] kobject_add_internal+0x594/0xc2c [ 203.135883][ T6503] kobject_init_and_add+0x128/0x194 [ 203.136967][ T6503] gfs2_sys_fs_add+0x208/0x428 [ 203.138011][ T6503] gfs2_fill_super+0xe20/0x1a9c [ 203.139014][ T6503] get_tree_bdev+0x35c/0x54c [ 203.139942][ T6503] gfs2_get_tree+0x58/0x1b8 [ 203.140848][ T6503] vfs_get_tree+0x90/0x278 [ 203.141776][ T6503] do_new_mount+0x228/0x818 [ 203.142700][ T6503] path_mount+0x57c/0xfe8 [ 203.143589][ T6503] __arm64_sys_mount+0x488/0x5f8 [ 203.144564][ T6503] invoke_syscall+0x98/0x28c [ 203.145486][ T6503] el0_svc_common+0x13c/0x258 [ 203.146460][ T6503] do_el0_svc+0x5c/0x140 [ 203.147329][ T6503] el0_svc+0x78/0x1d4 [ 203.148144][ T6503] el0t_64_sync_handler+0xcc/0xe4 [ 203.149213][ T6503] el0t_64_sync+0x1a0/0x1a4 [ 203.152255][ T6503] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.155525][ T6503] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.295967][ T6506] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.297379][ T6506] CPU: 1 PID: 6506 Comm: syz.1.541 Not tainted syzkaller #0 [ 203.298767][ T6506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.300645][ T6506] Call trace: [ 203.301231][ T6506] dump_backtrace+0x0/0x458 [ 203.302122][ T6506] show_stack+0x2c/0x3c [ 203.302924][ T6506] __dump_stack+0x30/0x40 [ 203.303819][ T6506] dump_stack_lvl+0xf4/0x15c [ 203.304813][ T6506] dump_stack+0x1c/0x5c [ 203.305692][ T6506] sysfs_create_dir_ns+0x244/0x264 [ 203.306662][ T6506] kobject_add_internal+0x594/0xc2c [ 203.307772][ T6506] kobject_init_and_add+0x128/0x194 [ 203.308857][ T6506] gfs2_sys_fs_add+0x208/0x428 [ 203.309874][ T6506] gfs2_fill_super+0xe20/0x1a9c [ 203.310837][ T6506] get_tree_bdev+0x35c/0x54c [ 203.311729][ T6506] gfs2_get_tree+0x58/0x1b8 [ 203.312638][ T6506] vfs_get_tree+0x90/0x278 [ 203.313534][ T6506] do_new_mount+0x228/0x818 [ 203.314421][ T6506] path_mount+0x57c/0xfe8 [ 203.315258][ T6506] __arm64_sys_mount+0x488/0x5f8 [ 203.316173][ T6506] invoke_syscall+0x98/0x28c [ 203.317080][ T6506] el0_svc_common+0x13c/0x258 [ 203.318009][ T6506] do_el0_svc+0x5c/0x140 [ 203.318830][ T6506] el0_svc+0x78/0x1d4 [ 203.319596][ T6506] el0t_64_sync_handler+0xcc/0xe4 [ 203.320587][ T6506] el0t_64_sync+0x1a0/0x1a4 [ 203.322822][ T6506] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.325483][ T6506] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.471690][ T6509] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.473285][ T6509] CPU: 0 PID: 6509 Comm: syz.1.542 Not tainted syzkaller #0 [ 203.474927][ T6509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.476882][ T6509] Call trace: [ 203.477481][ T6509] dump_backtrace+0x0/0x458 [ 203.478385][ T6509] show_stack+0x2c/0x3c [ 203.479263][ T6509] __dump_stack+0x30/0x40 [ 203.480143][ T6509] dump_stack_lvl+0xf4/0x15c [ 203.481063][ T6509] dump_stack+0x1c/0x5c [ 203.481959][ T6509] sysfs_create_dir_ns+0x244/0x264 [ 203.482978][ T6509] kobject_add_internal+0x594/0xc2c [ 203.483969][ T6509] kobject_init_and_add+0x128/0x194 [ 203.484956][ T6509] gfs2_sys_fs_add+0x208/0x428 [ 203.485833][ T6509] gfs2_fill_super+0xe20/0x1a9c [ 203.486742][ T6509] get_tree_bdev+0x35c/0x54c [ 203.487531][ T6509] gfs2_get_tree+0x58/0x1b8 [ 203.488387][ T6509] vfs_get_tree+0x90/0x278 [ 203.489214][ T6509] do_new_mount+0x228/0x818 [ 203.490096][ T6509] path_mount+0x57c/0xfe8 [ 203.490900][ T6509] __arm64_sys_mount+0x488/0x5f8 [ 203.491855][ T6509] invoke_syscall+0x98/0x28c [ 203.492731][ T6509] el0_svc_common+0x13c/0x258 [ 203.493629][ T6509] do_el0_svc+0x5c/0x140 [ 203.494450][ T6509] el0_svc+0x78/0x1d4 [ 203.495253][ T6509] el0t_64_sync_handler+0xcc/0xe4 [ 203.496275][ T6509] el0t_64_sync+0x1a0/0x1a4 [ 203.500797][ T6509] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.503176][ T6509] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.744010][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.745415][ T6513] CPU: 1 PID: 6513 Comm: syz.1.543 Not tainted syzkaller #0 [ 203.746868][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.748764][ T6513] Call trace: [ 203.749361][ T6513] dump_backtrace+0x0/0x458 [ 203.750254][ T6513] show_stack+0x2c/0x3c [ 203.751038][ T6513] __dump_stack+0x30/0x40 [ 203.751892][ T6513] dump_stack_lvl+0xf4/0x15c [ 203.752894][ T6513] dump_stack+0x1c/0x5c [ 203.753642][ T6513] sysfs_create_dir_ns+0x244/0x264 [ 203.754695][ T6513] kobject_add_internal+0x594/0xc2c [ 203.755837][ T6513] kobject_init_and_add+0x128/0x194 [ 203.756896][ T6513] gfs2_sys_fs_add+0x208/0x428 [ 203.757890][ T6513] gfs2_fill_super+0xe20/0x1a9c [ 203.758978][ T6513] get_tree_bdev+0x35c/0x54c [ 203.759923][ T6513] gfs2_get_tree+0x58/0x1b8 [ 203.760842][ T6513] vfs_get_tree+0x90/0x278 [ 203.761703][ T6513] do_new_mount+0x228/0x818 [ 203.762598][ T6513] path_mount+0x57c/0xfe8 [ 203.763433][ T6513] __arm64_sys_mount+0x488/0x5f8 [ 203.764378][ T6513] invoke_syscall+0x98/0x28c [ 203.765269][ T6513] el0_svc_common+0x13c/0x258 [ 203.766198][ T6513] do_el0_svc+0x5c/0x140 [ 203.767079][ T6513] el0_svc+0x78/0x1d4 [ 203.767978][ T6513] el0t_64_sync_handler+0xcc/0xe4 [ 203.769054][ T6513] el0t_64_sync+0x1a0/0x1a4 [ 203.770208][ T6513] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.772583][ T6513] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 203.944643][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 203.946978][ T6516] CPU: 0 PID: 6516 Comm: syz.1.544 Not tainted syzkaller #0 [ 203.948254][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.950085][ T6516] Call trace: [ 203.950696][ T6516] dump_backtrace+0x0/0x458 [ 203.951474][ T6516] show_stack+0x2c/0x3c [ 203.952204][ T6516] __dump_stack+0x30/0x40 [ 203.953035][ T6516] dump_stack_lvl+0xf4/0x15c [ 203.954024][ T6516] dump_stack+0x1c/0x5c [ 203.954925][ T6516] sysfs_create_dir_ns+0x244/0x264 [ 203.956064][ T6516] kobject_add_internal+0x594/0xc2c [ 203.957106][ T6516] kobject_init_and_add+0x128/0x194 [ 203.958217][ T6516] gfs2_sys_fs_add+0x208/0x428 [ 203.959228][ T6516] gfs2_fill_super+0xe20/0x1a9c [ 203.960244][ T6516] get_tree_bdev+0x35c/0x54c [ 203.961197][ T6516] gfs2_get_tree+0x58/0x1b8 [ 203.962047][ T6516] vfs_get_tree+0x90/0x278 [ 203.962901][ T6516] do_new_mount+0x228/0x818 [ 203.963748][ T6516] path_mount+0x57c/0xfe8 [ 203.964571][ T6516] __arm64_sys_mount+0x488/0x5f8 [ 203.965416][ T6516] invoke_syscall+0x98/0x28c [ 203.966315][ T6516] el0_svc_common+0x13c/0x258 [ 203.967200][ T6516] do_el0_svc+0x5c/0x140 [ 203.967999][ T6516] el0_svc+0x78/0x1d4 [ 203.968780][ T6516] el0t_64_sync_handler+0xcc/0xe4 [ 203.969707][ T6516] el0t_64_sync+0x1a0/0x1a4 [ 203.972239][ T6516] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.974826][ T6516] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.144049][ T6519] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.145586][ T6519] CPU: 0 PID: 6519 Comm: syz.1.545 Not tainted syzkaller #0 [ 204.146994][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 204.148693][ T6519] Call trace: [ 204.149282][ T6519] dump_backtrace+0x0/0x458 [ 204.150101][ T6519] show_stack+0x2c/0x3c [ 204.150913][ T6519] __dump_stack+0x30/0x40 [ 204.151759][ T6519] dump_stack_lvl+0xf4/0x15c [ 204.152648][ T6519] dump_stack+0x1c/0x5c [ 204.153355][ T6519] sysfs_create_dir_ns+0x244/0x264 [ 204.154394][ T6519] kobject_add_internal+0x594/0xc2c [ 204.155480][ T6519] kobject_init_and_add+0x128/0x194 [ 204.156652][ T6519] gfs2_sys_fs_add+0x208/0x428 [ 204.157663][ T6519] gfs2_fill_super+0xe20/0x1a9c [ 204.158702][ T6519] get_tree_bdev+0x35c/0x54c [ 204.159693][ T6519] gfs2_get_tree+0x58/0x1b8 [ 204.160571][ T6519] vfs_get_tree+0x90/0x278 [ 204.161443][ T6519] do_new_mount+0x228/0x818 [ 204.162387][ T6519] path_mount+0x57c/0xfe8 [ 204.163337][ T6519] __arm64_sys_mount+0x488/0x5f8 [ 204.164365][ T6519] invoke_syscall+0x98/0x28c [ 204.165337][ T6519] el0_svc_common+0x13c/0x258 [ 204.166377][ T6519] do_el0_svc+0x5c/0x140 [ 204.167250][ T6519] el0_svc+0x78/0x1d4 [ 204.168045][ T6519] el0t_64_sync_handler+0xcc/0xe4 [ 204.169122][ T6519] el0t_64_sync+0x1a0/0x1a4 [ 204.171656][ T6519] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.174825][ T6519] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.319502][ T6522] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.320929][ T6522] CPU: 1 PID: 6522 Comm: syz.1.546 Not tainted syzkaller #0 [ 204.322324][ T6522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 204.324433][ T6522] Call trace: [ 204.325142][ T6522] dump_backtrace+0x0/0x458 [ 204.326159][ T6522] show_stack+0x2c/0x3c [ 204.327050][ T6522] __dump_stack+0x30/0x40 [ 204.327913][ T6522] dump_stack_lvl+0xf4/0x15c [ 204.328847][ T6522] dump_stack+0x1c/0x5c [ 204.329682][ T6522] sysfs_create_dir_ns+0x244/0x264 [ 204.330673][ T6522] kobject_add_internal+0x594/0xc2c [ 204.331711][ T6522] kobject_init_and_add+0x128/0x194 [ 204.332741][ T6522] gfs2_sys_fs_add+0x208/0x428 [ 204.333670][ T6522] gfs2_fill_super+0xe20/0x1a9c [ 204.334604][ T6522] get_tree_bdev+0x35c/0x54c [ 204.335523][ T6522] gfs2_get_tree+0x58/0x1b8 [ 204.336469][ T6522] vfs_get_tree+0x90/0x278 [ 204.337332][ T6522] do_new_mount+0x228/0x818 [ 204.338222][ T6522] path_mount+0x57c/0xfe8 [ 204.339057][ T6522] __arm64_sys_mount+0x488/0x5f8 [ 204.340040][ T6522] invoke_syscall+0x98/0x28c [ 204.340880][ T6522] el0_svc_common+0x13c/0x258 [ 204.341751][ T6522] do_el0_svc+0x5c/0x140 [ 204.342556][ T6522] el0_svc+0x78/0x1d4 [ 204.343326][ T6522] el0t_64_sync_handler+0xcc/0xe4 [ 204.344311][ T6522] el0t_64_sync+0x1a0/0x1a4 [ 204.345344][ T6522] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.347910][ T6522] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.514048][ T6525] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.515572][ T6525] CPU: 0 PID: 6525 Comm: syz.1.547 Not tainted syzkaller #0 [ 204.517041][ T6525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 204.518985][ T6525] Call trace: [ 204.519626][ T6525] dump_backtrace+0x0/0x458 [ 204.520546][ T6525] show_stack+0x2c/0x3c [ 204.521267][ T6525] __dump_stack+0x30/0x40 [ 204.522058][ T6525] dump_stack_lvl+0xf4/0x15c [ 204.522889][ T6525] dump_stack+0x1c/0x5c [ 204.523675][ T6525] sysfs_create_dir_ns+0x244/0x264 [ 204.524811][ T6525] kobject_add_internal+0x594/0xc2c [ 204.525847][ T6525] kobject_init_and_add+0x128/0x194 [ 204.526973][ T6525] gfs2_sys_fs_add+0x208/0x428 [ 204.527949][ T6525] gfs2_fill_super+0xe20/0x1a9c [ 204.528986][ T6525] get_tree_bdev+0x35c/0x54c [ 204.530002][ T6525] gfs2_get_tree+0x58/0x1b8 [ 204.530976][ T6525] vfs_get_tree+0x90/0x278 [ 204.531921][ T6525] do_new_mount+0x228/0x818 [ 204.532825][ T6525] path_mount+0x57c/0xfe8 [ 204.533629][ T6525] __arm64_sys_mount+0x488/0x5f8 [ 204.534633][ T6525] invoke_syscall+0x98/0x28c [ 204.535502][ T6525] el0_svc_common+0x13c/0x258 [ 204.536473][ T6525] do_el0_svc+0x5c/0x140 [ 204.537332][ T6525] el0_svc+0x78/0x1d4 [ 204.538133][ T6525] el0t_64_sync_handler+0xcc/0xe4 [ 204.539129][ T6525] el0t_64_sync+0x1a0/0x1a4 [ 204.542807][ T6525] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.545316][ T6525] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 204.689925][ T6528] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.691221][ T6528] CPU: 1 PID: 6528 Comm: syz.1.548 Not tainted syzkaller #0 [ 204.692587][ T6528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 204.694633][ T6528] Call trace: [ 204.695341][ T6528] dump_backtrace+0x0/0x458 [ 204.696255][ T6528] show_stack+0x2c/0x3c [ 204.697006][ T6528] __dump_stack+0x30/0x40 [ 204.697787][ T6528] dump_stack_lvl+0xf4/0x15c [ 204.698788][ T6528] dump_stack+0x1c/0x5c [ 204.699687][ T6528] sysfs_create_dir_ns+0x244/0x264 [ 204.700883][ T6528] kobject_add_internal+0x594/0xc2c [ 204.702106][ T6528] kobject_init_and_add+0x128/0x194 [ 204.703192][ T6528] gfs2_sys_fs_add+0x208/0x428 [ 204.704150][ T6528] gfs2_fill_super+0xe20/0x1a9c [ 204.705137][ T6528] get_tree_bdev+0x35c/0x54c [ 204.706009][ T6528] gfs2_get_tree+0x58/0x1b8 [ 204.706919][ T6528] vfs_get_tree+0x90/0x278 [ 204.707794][ T6528] do_new_mount+0x228/0x818 [ 204.708655][ T6528] path_mount+0x57c/0xfe8 [ 204.709550][ T6528] __arm64_sys_mount+0x488/0x5f8 [ 204.710550][ T6528] invoke_syscall+0x98/0x28c [ 204.711442][ T6528] el0_svc_common+0x13c/0x258 [ 204.712351][ T6528] do_el0_svc+0x5c/0x140 [ 204.713185][ T6528] el0_svc+0x78/0x1d4 [ 204.713963][ T6528] el0t_64_sync_handler+0xcc/0xe4 [ 204.714941][ T6528] el0t_64_sync+0x1a0/0x1a4 [ 204.717624][ T6528] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.720213][ T6528] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:24 executed programs: 535 [ 204.939373][ T6531] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 204.940979][ T6531] CPU: 1 PID: 6531 Comm: syz.1.549 Not tainted syzkaller #0 [ 204.942466][ T6531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 204.944362][ T6531] Call trace: [ 204.945081][ T6531] dump_backtrace+0x0/0x458 [ 204.945956][ T6531] show_stack+0x2c/0x3c [ 204.946815][ T6531] __dump_stack+0x30/0x40 [ 204.947640][ T6531] dump_stack_lvl+0xf4/0x15c [ 204.948706][ T6531] dump_stack+0x1c/0x5c [ 204.949521][ T6531] sysfs_create_dir_ns+0x244/0x264 [ 204.950552][ T6531] kobject_add_internal+0x594/0xc2c [ 204.951539][ T6531] kobject_init_and_add+0x128/0x194 [ 204.952561][ T6531] gfs2_sys_fs_add+0x208/0x428 [ 204.953541][ T6531] gfs2_fill_super+0xe20/0x1a9c [ 204.954575][ T6531] get_tree_bdev+0x35c/0x54c [ 204.955555][ T6531] gfs2_get_tree+0x58/0x1b8 [ 204.956579][ T6531] vfs_get_tree+0x90/0x278 [ 204.957513][ T6531] do_new_mount+0x228/0x818 [ 204.958547][ T6531] path_mount+0x57c/0xfe8 [ 204.959401][ T6531] __arm64_sys_mount+0x488/0x5f8 [ 204.960327][ T6531] invoke_syscall+0x98/0x28c [ 204.961350][ T6531] el0_svc_common+0x13c/0x258 [ 204.962432][ T6531] do_el0_svc+0x5c/0x140 [ 204.963405][ T6531] el0_svc+0x78/0x1d4 [ 204.964306][ T6531] el0t_64_sync_handler+0xcc/0xe4 [ 204.965343][ T6531] el0t_64_sync+0x1a0/0x1a4 [ 204.966358][ T6531] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.968837][ T6531] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.111211][ T6534] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.112660][ T6534] CPU: 0 PID: 6534 Comm: syz.1.550 Not tainted syzkaller #0 [ 205.113979][ T6534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.116142][ T6534] Call trace: [ 205.116772][ T6534] dump_backtrace+0x0/0x458 [ 205.117648][ T6534] show_stack+0x2c/0x3c [ 205.118432][ T6534] __dump_stack+0x30/0x40 [ 205.119254][ T6534] dump_stack_lvl+0xf4/0x15c [ 205.120174][ T6534] dump_stack+0x1c/0x5c [ 205.121051][ T6534] sysfs_create_dir_ns+0x244/0x264 [ 205.122115][ T6534] kobject_add_internal+0x594/0xc2c [ 205.123152][ T6534] kobject_init_and_add+0x128/0x194 [ 205.124205][ T6534] gfs2_sys_fs_add+0x208/0x428 [ 205.125128][ T6534] gfs2_fill_super+0xe20/0x1a9c [ 205.126051][ T6534] get_tree_bdev+0x35c/0x54c [ 205.126926][ T6534] gfs2_get_tree+0x58/0x1b8 [ 205.127784][ T6534] vfs_get_tree+0x90/0x278 [ 205.128591][ T6534] do_new_mount+0x228/0x818 [ 205.129476][ T6534] path_mount+0x57c/0xfe8 [ 205.130394][ T6534] __arm64_sys_mount+0x488/0x5f8 [ 205.131427][ T6534] invoke_syscall+0x98/0x28c [ 205.132414][ T6534] el0_svc_common+0x13c/0x258 [ 205.133348][ T6534] do_el0_svc+0x5c/0x140 [ 205.134207][ T6534] el0_svc+0x78/0x1d4 [ 205.135047][ T6534] el0t_64_sync_handler+0xcc/0xe4 [ 205.136134][ T6534] el0t_64_sync+0x1a0/0x1a4 [ 205.138859][ T6534] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.141395][ T6534] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.371222][ T6537] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.372718][ T6537] CPU: 0 PID: 6537 Comm: syz.1.551 Not tainted syzkaller #0 [ 205.374147][ T6537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.376151][ T6537] Call trace: [ 205.376783][ T6537] dump_backtrace+0x0/0x458 [ 205.377681][ T6537] show_stack+0x2c/0x3c [ 205.378516][ T6537] __dump_stack+0x30/0x40 [ 205.379338][ T6537] dump_stack_lvl+0xf4/0x15c [ 205.380239][ T6537] dump_stack+0x1c/0x5c [ 205.381072][ T6537] sysfs_create_dir_ns+0x244/0x264 [ 205.382047][ T6537] kobject_add_internal+0x594/0xc2c [ 205.383068][ T6537] kobject_init_and_add+0x128/0x194 [ 205.384093][ T6537] gfs2_sys_fs_add+0x208/0x428 [ 205.385067][ T6537] gfs2_fill_super+0xe20/0x1a9c [ 205.386067][ T6537] get_tree_bdev+0x35c/0x54c [ 205.386937][ T6537] gfs2_get_tree+0x58/0x1b8 [ 205.387899][ T6537] vfs_get_tree+0x90/0x278 [ 205.388852][ T6537] do_new_mount+0x228/0x818 [ 205.389785][ T6537] path_mount+0x57c/0xfe8 [ 205.390690][ T6537] __arm64_sys_mount+0x488/0x5f8 [ 205.391654][ T6537] invoke_syscall+0x98/0x28c [ 205.392679][ T6537] el0_svc_common+0x13c/0x258 [ 205.393628][ T6537] do_el0_svc+0x5c/0x140 [ 205.394489][ T6537] el0_svc+0x78/0x1d4 [ 205.395314][ T6537] el0t_64_sync_handler+0xcc/0xe4 [ 205.396383][ T6537] el0t_64_sync+0x1a0/0x1a4 [ 205.397540][ T6537] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.399986][ T6537] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.540527][ T6540] set_capacity_and_notify: 16 callbacks suppressed [ 205.540537][ T6540] loop1: detected capacity change from 0 to 32768 [ 205.548936][ T6540] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.550575][ T6540] CPU: 1 PID: 6540 Comm: syz.1.552 Not tainted syzkaller #0 [ 205.552049][ T6540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.553980][ T6540] Call trace: [ 205.554688][ T6540] dump_backtrace+0x0/0x458 [ 205.555765][ T6540] show_stack+0x2c/0x3c [ 205.556679][ T6540] __dump_stack+0x30/0x40 [ 205.557615][ T6540] dump_stack_lvl+0xf4/0x15c [ 205.558508][ T6540] dump_stack+0x1c/0x5c [ 205.559449][ T6540] sysfs_create_dir_ns+0x244/0x264 [ 205.560529][ T6540] kobject_add_internal+0x594/0xc2c [ 205.561669][ T6540] kobject_init_and_add+0x128/0x194 [ 205.562786][ T6540] gfs2_sys_fs_add+0x208/0x428 [ 205.563768][ T6540] gfs2_fill_super+0xe20/0x1a9c [ 205.564746][ T6540] get_tree_bdev+0x35c/0x54c [ 205.565586][ T6540] gfs2_get_tree+0x58/0x1b8 [ 205.566441][ T6540] vfs_get_tree+0x90/0x278 [ 205.567321][ T6540] do_new_mount+0x228/0x818 [ 205.568258][ T6540] path_mount+0x57c/0xfe8 [ 205.569108][ T6540] __arm64_sys_mount+0x488/0x5f8 [ 205.570045][ T6540] invoke_syscall+0x98/0x28c [ 205.570902][ T6540] el0_svc_common+0x13c/0x258 [ 205.571866][ T6540] do_el0_svc+0x5c/0x140 [ 205.572716][ T6540] el0_svc+0x78/0x1d4 [ 205.573482][ T6540] el0t_64_sync_handler+0xcc/0xe4 [ 205.574448][ T6540] el0t_64_sync+0x1a0/0x1a4 [ 205.575563][ T6540] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.578107][ T6540] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.709342][ T6543] loop1: detected capacity change from 0 to 32768 [ 205.798455][ T6543] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.799966][ T6543] CPU: 0 PID: 6543 Comm: syz.1.553 Not tainted syzkaller #0 [ 205.801487][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.803470][ T6543] Call trace: [ 205.804154][ T6543] dump_backtrace+0x0/0x458 [ 205.805116][ T6543] show_stack+0x2c/0x3c [ 205.806070][ T6543] __dump_stack+0x30/0x40 [ 205.807040][ T6543] dump_stack_lvl+0xf4/0x15c [ 205.808082][ T6543] dump_stack+0x1c/0x5c [ 205.808981][ T6543] sysfs_create_dir_ns+0x244/0x264 [ 205.810030][ T6543] kobject_add_internal+0x594/0xc2c [ 205.811089][ T6543] kobject_init_and_add+0x128/0x194 [ 205.812145][ T6543] gfs2_sys_fs_add+0x208/0x428 [ 205.813106][ T6543] gfs2_fill_super+0xe20/0x1a9c [ 205.814201][ T6543] get_tree_bdev+0x35c/0x54c [ 205.815218][ T6543] gfs2_get_tree+0x58/0x1b8 [ 205.816274][ T6543] vfs_get_tree+0x90/0x278 [ 205.817210][ T6543] do_new_mount+0x228/0x818 [ 205.818195][ T6543] path_mount+0x57c/0xfe8 [ 205.819083][ T6543] __arm64_sys_mount+0x488/0x5f8 [ 205.820096][ T6543] invoke_syscall+0x98/0x28c [ 205.821016][ T6543] el0_svc_common+0x13c/0x258 [ 205.821970][ T6543] do_el0_svc+0x5c/0x140 [ 205.822810][ T6543] el0_svc+0x78/0x1d4 [ 205.823606][ T6543] el0t_64_sync_handler+0xcc/0xe4 [ 205.824681][ T6543] el0t_64_sync+0x1a0/0x1a4 [ 205.826945][ T6543] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.829310][ T6543] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 205.962940][ T6546] loop1: detected capacity change from 0 to 32768 [ 205.970432][ T6546] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 205.971870][ T6546] CPU: 1 PID: 6546 Comm: syz.1.554 Not tainted syzkaller #0 [ 205.973273][ T6546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.975230][ T6546] Call trace: [ 205.975902][ T6546] dump_backtrace+0x0/0x458 [ 205.976829][ T6546] show_stack+0x2c/0x3c [ 205.977791][ T6546] __dump_stack+0x30/0x40 [ 205.978736][ T6546] dump_stack_lvl+0xf4/0x15c [ 205.979747][ T6546] dump_stack+0x1c/0x5c [ 205.980620][ T6546] sysfs_create_dir_ns+0x244/0x264 [ 205.981756][ T6546] kobject_add_internal+0x594/0xc2c [ 205.982892][ T6546] kobject_init_and_add+0x128/0x194 [ 205.984075][ T6546] gfs2_sys_fs_add+0x208/0x428 [ 205.985150][ T6546] gfs2_fill_super+0xe20/0x1a9c [ 205.986239][ T6546] get_tree_bdev+0x35c/0x54c [ 205.987276][ T6546] gfs2_get_tree+0x58/0x1b8 [ 205.988298][ T6546] vfs_get_tree+0x90/0x278 [ 205.989317][ T6546] do_new_mount+0x228/0x818 [ 205.990349][ T6546] path_mount+0x57c/0xfe8 [ 205.991330][ T6546] __arm64_sys_mount+0x488/0x5f8 [ 205.992387][ T6546] invoke_syscall+0x98/0x28c [ 205.993380][ T6546] el0_svc_common+0x13c/0x258 [ 205.994322][ T6546] do_el0_svc+0x5c/0x140 [ 205.995257][ T6546] el0_svc+0x78/0x1d4 [ 205.996153][ T6546] el0t_64_sync_handler+0xcc/0xe4 [ 205.997257][ T6546] el0t_64_sync+0x1a0/0x1a4 [ 205.999636][ T6546] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.001916][ T6546] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.142215][ T6549] loop1: detected capacity change from 0 to 32768 [ 206.150398][ T6549] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.151773][ T6549] CPU: 1 PID: 6549 Comm: syz.1.555 Not tainted syzkaller #0 [ 206.153195][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 206.155450][ T6549] Call trace: [ 206.156101][ T6549] dump_backtrace+0x0/0x458 [ 206.157046][ T6549] show_stack+0x2c/0x3c [ 206.157916][ T6549] __dump_stack+0x30/0x40 [ 206.158845][ T6549] dump_stack_lvl+0xf4/0x15c [ 206.159815][ T6549] dump_stack+0x1c/0x5c [ 206.160682][ T6549] sysfs_create_dir_ns+0x244/0x264 [ 206.161844][ T6549] kobject_add_internal+0x594/0xc2c [ 206.162955][ T6549] kobject_init_and_add+0x128/0x194 [ 206.164092][ T6549] gfs2_sys_fs_add+0x208/0x428 [ 206.165038][ T6549] gfs2_fill_super+0xe20/0x1a9c [ 206.166071][ T6549] get_tree_bdev+0x35c/0x54c [ 206.166998][ T6549] gfs2_get_tree+0x58/0x1b8 [ 206.167924][ T6549] vfs_get_tree+0x90/0x278 [ 206.168886][ T6549] do_new_mount+0x228/0x818 [ 206.169779][ T6549] path_mount+0x57c/0xfe8 [ 206.170669][ T6549] __arm64_sys_mount+0x488/0x5f8 [ 206.171697][ T6549] invoke_syscall+0x98/0x28c [ 206.172661][ T6549] el0_svc_common+0x13c/0x258 [ 206.173551][ T6549] do_el0_svc+0x5c/0x140 [ 206.174384][ T6549] el0_svc+0x78/0x1d4 [ 206.175242][ T6549] el0t_64_sync_handler+0xcc/0xe4 [ 206.176351][ T6549] el0t_64_sync+0x1a0/0x1a4 [ 206.178722][ T6549] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.181118][ T6549] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.362464][ T6552] loop1: detected capacity change from 0 to 32768 [ 206.365776][ T6552] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.367522][ T6552] CPU: 0 PID: 6552 Comm: syz.1.556 Not tainted syzkaller #0 [ 206.368989][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 206.370807][ T6552] Call trace: [ 206.371374][ T6552] dump_backtrace+0x0/0x458 [ 206.372233][ T6552] show_stack+0x2c/0x3c [ 206.372988][ T6552] __dump_stack+0x30/0x40 [ 206.373872][ T6552] dump_stack_lvl+0xf4/0x15c [ 206.374809][ T6552] dump_stack+0x1c/0x5c [ 206.375631][ T6552] sysfs_create_dir_ns+0x244/0x264 [ 206.376703][ T6552] kobject_add_internal+0x594/0xc2c [ 206.377781][ T6552] kobject_init_and_add+0x128/0x194 [ 206.378807][ T6552] gfs2_sys_fs_add+0x208/0x428 [ 206.379820][ T6552] gfs2_fill_super+0xe20/0x1a9c [ 206.380780][ T6552] get_tree_bdev+0x35c/0x54c [ 206.381717][ T6552] gfs2_get_tree+0x58/0x1b8 [ 206.382665][ T6552] vfs_get_tree+0x90/0x278 [ 206.383562][ T6552] do_new_mount+0x228/0x818 [ 206.384457][ T6552] path_mount+0x57c/0xfe8 [ 206.385325][ T6552] __arm64_sys_mount+0x488/0x5f8 [ 206.386383][ T6552] invoke_syscall+0x98/0x28c [ 206.387306][ T6552] el0_svc_common+0x13c/0x258 [ 206.388306][ T6552] do_el0_svc+0x5c/0x140 [ 206.389226][ T6552] el0_svc+0x78/0x1d4 [ 206.390109][ T6552] el0t_64_sync_handler+0xcc/0xe4 [ 206.391143][ T6552] el0t_64_sync+0x1a0/0x1a4 [ 206.392469][ T6552] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.394980][ T6552] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.650251][ T6555] loop1: detected capacity change from 0 to 32768 [ 206.689067][ T6555] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.690373][ T6555] CPU: 0 PID: 6555 Comm: syz.1.557 Not tainted syzkaller #0 [ 206.691673][ T6555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 206.693734][ T6555] Call trace: [ 206.694417][ T6555] dump_backtrace+0x0/0x458 [ 206.695268][ T6555] show_stack+0x2c/0x3c [ 206.696116][ T6555] __dump_stack+0x30/0x40 [ 206.697004][ T6555] dump_stack_lvl+0xf4/0x15c [ 206.697959][ T6555] dump_stack+0x1c/0x5c [ 206.698829][ T6555] sysfs_create_dir_ns+0x244/0x264 [ 206.700048][ T6555] kobject_add_internal+0x594/0xc2c [ 206.701168][ T6555] kobject_init_and_add+0x128/0x194 [ 206.702339][ T6555] gfs2_sys_fs_add+0x208/0x428 [ 206.703334][ T6555] gfs2_fill_super+0xe20/0x1a9c [ 206.704259][ T6555] get_tree_bdev+0x35c/0x54c [ 206.705249][ T6555] gfs2_get_tree+0x58/0x1b8 [ 206.706184][ T6555] vfs_get_tree+0x90/0x278 [ 206.707145][ T6555] do_new_mount+0x228/0x818 [ 206.708158][ T6555] path_mount+0x57c/0xfe8 [ 206.709082][ T6555] __arm64_sys_mount+0x488/0x5f8 [ 206.710072][ T6555] invoke_syscall+0x98/0x28c [ 206.710963][ T6555] el0_svc_common+0x13c/0x258 [ 206.711887][ T6555] do_el0_svc+0x5c/0x140 [ 206.712754][ T6555] el0_svc+0x78/0x1d4 [ 206.713619][ T6555] el0t_64_sync_handler+0xcc/0xe4 [ 206.714643][ T6555] el0t_64_sync+0x1a0/0x1a4 [ 206.717371][ T6555] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.719840][ T6555] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 206.890639][ T6558] loop1: detected capacity change from 0 to 32768 [ 206.934718][ T6558] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 206.941789][ T6558] CPU: 0 PID: 6558 Comm: syz.1.558 Not tainted syzkaller #0 [ 206.943090][ T6558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 206.945160][ T6558] Call trace: [ 206.945820][ T6558] dump_backtrace+0x0/0x458 [ 206.946760][ T6558] show_stack+0x2c/0x3c [ 206.947556][ T6558] __dump_stack+0x30/0x40 [ 206.948442][ T6558] dump_stack_lvl+0xf4/0x15c [ 206.949343][ T6558] dump_stack+0x1c/0x5c [ 206.950160][ T6558] sysfs_create_dir_ns+0x244/0x264 [ 206.951192][ T6558] kobject_add_internal+0x594/0xc2c [ 206.952268][ T6558] kobject_init_and_add+0x128/0x194 [ 206.953373][ T6558] gfs2_sys_fs_add+0x208/0x428 [ 206.954337][ T6558] gfs2_fill_super+0xe20/0x1a9c [ 206.955353][ T6558] get_tree_bdev+0x35c/0x54c [ 206.956332][ T6558] gfs2_get_tree+0x58/0x1b8 [ 206.957227][ T6558] vfs_get_tree+0x90/0x278 [ 206.958070][ T6558] do_new_mount+0x228/0x818 [ 206.959006][ T6558] path_mount+0x57c/0xfe8 [ 206.959781][ T6558] __arm64_sys_mount+0x488/0x5f8 [ 206.960768][ T6558] invoke_syscall+0x98/0x28c [ 206.961655][ T6558] el0_svc_common+0x13c/0x258 [ 206.962515][ T6558] do_el0_svc+0x5c/0x140 [ 206.963343][ T6558] el0_svc+0x78/0x1d4 [ 206.964132][ T6558] el0t_64_sync_handler+0xcc/0xe4 [ 206.965178][ T6558] el0t_64_sync+0x1a0/0x1a4 [ 206.967828][ T6558] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.970350][ T6558] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.103010][ T6561] loop1: detected capacity change from 0 to 32768 [ 207.208206][ T6561] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.209542][ T6561] CPU: 0 PID: 6561 Comm: syz.1.559 Not tainted syzkaller #0 [ 207.210917][ T6561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 207.212609][ T6561] Call trace: [ 207.213186][ T6561] dump_backtrace+0x0/0x458 [ 207.214119][ T6561] show_stack+0x2c/0x3c [ 207.214927][ T6561] __dump_stack+0x30/0x40 [ 207.215894][ T6561] dump_stack_lvl+0xf4/0x15c [ 207.216810][ T6561] dump_stack+0x1c/0x5c [ 207.217697][ T6561] sysfs_create_dir_ns+0x244/0x264 [ 207.218823][ T6561] kobject_add_internal+0x594/0xc2c [ 207.219840][ T6561] kobject_init_and_add+0x128/0x194 [ 207.220963][ T6561] gfs2_sys_fs_add+0x208/0x428 [ 207.221998][ T6561] gfs2_fill_super+0xe20/0x1a9c [ 207.222949][ T6561] get_tree_bdev+0x35c/0x54c [ 207.223944][ T6561] gfs2_get_tree+0x58/0x1b8 [ 207.224973][ T6561] vfs_get_tree+0x90/0x278 [ 207.225895][ T6561] do_new_mount+0x228/0x818 [ 207.226793][ T6561] path_mount+0x57c/0xfe8 [ 207.227725][ T6561] __arm64_sys_mount+0x488/0x5f8 [ 207.228822][ T6561] invoke_syscall+0x98/0x28c [ 207.229827][ T6561] el0_svc_common+0x13c/0x258 [ 207.230729][ T6561] do_el0_svc+0x5c/0x140 [ 207.231552][ T6561] el0_svc+0x78/0x1d4 [ 207.232322][ T6561] el0t_64_sync_handler+0xcc/0xe4 [ 207.233305][ T6561] el0t_64_sync+0x1a0/0x1a4 [ 207.236663][ T6561] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.239695][ T6561] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.490942][ T6564] loop1: detected capacity change from 0 to 32768 [ 207.528850][ T6564] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.530200][ T6564] CPU: 0 PID: 6564 Comm: syz.1.560 Not tainted syzkaller #0 [ 207.531453][ T6564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 207.533248][ T6564] Call trace: [ 207.533919][ T6564] dump_backtrace+0x0/0x458 [ 207.534819][ T6564] show_stack+0x2c/0x3c [ 207.535650][ T6564] __dump_stack+0x30/0x40 [ 207.536489][ T6564] dump_stack_lvl+0xf4/0x15c [ 207.537389][ T6564] dump_stack+0x1c/0x5c [ 207.538185][ T6564] sysfs_create_dir_ns+0x244/0x264 [ 207.539200][ T6564] kobject_add_internal+0x594/0xc2c [ 207.540253][ T6564] kobject_init_and_add+0x128/0x194 [ 207.541246][ T6564] gfs2_sys_fs_add+0x208/0x428 [ 207.542142][ T6564] gfs2_fill_super+0xe20/0x1a9c [ 207.543134][ T6564] get_tree_bdev+0x35c/0x54c [ 207.544015][ T6564] gfs2_get_tree+0x58/0x1b8 [ 207.544955][ T6564] vfs_get_tree+0x90/0x278 [ 207.545843][ T6564] do_new_mount+0x228/0x818 [ 207.546756][ T6564] path_mount+0x57c/0xfe8 [ 207.547600][ T6564] __arm64_sys_mount+0x488/0x5f8 [ 207.548568][ T6564] invoke_syscall+0x98/0x28c [ 207.549478][ T6564] el0_svc_common+0x13c/0x258 [ 207.550462][ T6564] do_el0_svc+0x5c/0x140 [ 207.551322][ T6564] el0_svc+0x78/0x1d4 [ 207.552116][ T6564] el0t_64_sync_handler+0xcc/0xe4 [ 207.553115][ T6564] el0t_64_sync+0x1a0/0x1a4 [ 207.554548][ T6564] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.556812][ T6564] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.700941][ T6567] loop1: detected capacity change from 0 to 32768 [ 207.708551][ T6567] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.709970][ T6567] CPU: 1 PID: 6567 Comm: syz.1.561 Not tainted syzkaller #0 [ 207.711373][ T6567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 207.713146][ T6567] Call trace: [ 207.713820][ T6567] dump_backtrace+0x0/0x458 [ 207.714729][ T6567] show_stack+0x2c/0x3c [ 207.715615][ T6567] __dump_stack+0x30/0x40 [ 207.716568][ T6567] dump_stack_lvl+0xf4/0x15c [ 207.717606][ T6567] dump_stack+0x1c/0x5c [ 207.718459][ T6567] sysfs_create_dir_ns+0x244/0x264 [ 207.719525][ T6567] kobject_add_internal+0x594/0xc2c [ 207.720616][ T6567] kobject_init_and_add+0x128/0x194 [ 207.721678][ T6567] gfs2_sys_fs_add+0x208/0x428 [ 207.722707][ T6567] gfs2_fill_super+0xe20/0x1a9c [ 207.723688][ T6567] get_tree_bdev+0x35c/0x54c [ 207.724691][ T6567] gfs2_get_tree+0x58/0x1b8 [ 207.725695][ T6567] vfs_get_tree+0x90/0x278 [ 207.726654][ T6567] do_new_mount+0x228/0x818 [ 207.727499][ T6567] path_mount+0x57c/0xfe8 [ 207.728443][ T6567] __arm64_sys_mount+0x488/0x5f8 [ 207.729541][ T6567] invoke_syscall+0x98/0x28c [ 207.730473][ T6567] el0_svc_common+0x13c/0x258 [ 207.731485][ T6567] do_el0_svc+0x5c/0x140 [ 207.732450][ T6567] el0_svc+0x78/0x1d4 [ 207.733340][ T6567] el0t_64_sync_handler+0xcc/0xe4 [ 207.734461][ T6567] el0t_64_sync+0x1a0/0x1a4 [ 207.736898][ T6567] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.739298][ T6567] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 207.989713][ T6570] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 207.991118][ T6570] CPU: 0 PID: 6570 Comm: syz.1.562 Not tainted syzkaller #0 [ 207.992473][ T6570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 207.994526][ T6570] Call trace: [ 207.995148][ T6570] dump_backtrace+0x0/0x458 [ 207.996065][ T6570] show_stack+0x2c/0x3c [ 207.996807][ T6570] __dump_stack+0x30/0x40 [ 207.997763][ T6570] dump_stack_lvl+0xf4/0x15c [ 207.998766][ T6570] dump_stack+0x1c/0x5c [ 207.999687][ T6570] sysfs_create_dir_ns+0x244/0x264 [ 208.000804][ T6570] kobject_add_internal+0x594/0xc2c [ 208.001786][ T6570] kobject_init_and_add+0x128/0x194 [ 208.002801][ T6570] gfs2_sys_fs_add+0x208/0x428 [ 208.003819][ T6570] gfs2_fill_super+0xe20/0x1a9c [ 208.004814][ T6570] get_tree_bdev+0x35c/0x54c [ 208.005768][ T6570] gfs2_get_tree+0x58/0x1b8 [ 208.006816][ T6570] vfs_get_tree+0x90/0x278 [ 208.007770][ T6570] do_new_mount+0x228/0x818 [ 208.008754][ T6570] path_mount+0x57c/0xfe8 [ 208.009621][ T6570] __arm64_sys_mount+0x488/0x5f8 [ 208.010653][ T6570] invoke_syscall+0x98/0x28c [ 208.011704][ T6570] el0_svc_common+0x13c/0x258 [ 208.012742][ T6570] do_el0_svc+0x5c/0x140 [ 208.013686][ T6570] el0_svc+0x78/0x1d4 [ 208.014505][ T6570] el0t_64_sync_handler+0xcc/0xe4 [ 208.015502][ T6570] el0t_64_sync+0x1a0/0x1a4 [ 208.016548][ T6570] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.019114][ T6570] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.244033][ T6573] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.245686][ T6573] CPU: 1 PID: 6573 Comm: syz.1.563 Not tainted syzkaller #0 [ 208.247162][ T6573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 208.249177][ T6573] Call trace: [ 208.249809][ T6573] dump_backtrace+0x0/0x458 [ 208.250616][ T6573] show_stack+0x2c/0x3c [ 208.251387][ T6573] __dump_stack+0x30/0x40 [ 208.252148][ T6573] dump_stack_lvl+0xf4/0x15c [ 208.253000][ T6573] dump_stack+0x1c/0x5c [ 208.253846][ T6573] sysfs_create_dir_ns+0x244/0x264 [ 208.254940][ T6573] kobject_add_internal+0x594/0xc2c [ 208.255987][ T6573] kobject_init_and_add+0x128/0x194 [ 208.257025][ T6573] gfs2_sys_fs_add+0x208/0x428 [ 208.258025][ T6573] gfs2_fill_super+0xe20/0x1a9c [ 208.259095][ T6573] get_tree_bdev+0x35c/0x54c [ 208.260112][ T6573] gfs2_get_tree+0x58/0x1b8 [ 208.261116][ T6573] vfs_get_tree+0x90/0x278 [ 208.262098][ T6573] do_new_mount+0x228/0x818 [ 208.263112][ T6573] path_mount+0x57c/0xfe8 [ 208.263970][ T6573] __arm64_sys_mount+0x488/0x5f8 [ 208.264955][ T6573] invoke_syscall+0x98/0x28c [ 208.266037][ T6573] el0_svc_common+0x13c/0x258 [ 208.267058][ T6573] do_el0_svc+0x5c/0x140 [ 208.267939][ T6573] el0_svc+0x78/0x1d4 [ 208.268795][ T6573] el0t_64_sync_handler+0xcc/0xe4 [ 208.269962][ T6573] el0t_64_sync+0x1a0/0x1a4 [ 208.272585][ T6573] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.275301][ T6573] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.488395][ T6576] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.489785][ T6576] CPU: 1 PID: 6576 Comm: syz.1.564 Not tainted syzkaller #0 [ 208.491238][ T6576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 208.493103][ T6576] Call trace: [ 208.493702][ T6576] dump_backtrace+0x0/0x458 [ 208.494581][ T6576] show_stack+0x2c/0x3c [ 208.495444][ T6576] __dump_stack+0x30/0x40 [ 208.496290][ T6576] dump_stack_lvl+0xf4/0x15c [ 208.497222][ T6576] dump_stack+0x1c/0x5c [ 208.498089][ T6576] sysfs_create_dir_ns+0x244/0x264 [ 208.499104][ T6576] kobject_add_internal+0x594/0xc2c [ 208.500171][ T6576] kobject_init_and_add+0x128/0x194 [ 208.501246][ T6576] gfs2_sys_fs_add+0x208/0x428 [ 208.502275][ T6576] gfs2_fill_super+0xe20/0x1a9c [ 208.503254][ T6576] get_tree_bdev+0x35c/0x54c [ 208.504165][ T6576] gfs2_get_tree+0x58/0x1b8 [ 208.505073][ T6576] vfs_get_tree+0x90/0x278 [ 208.505890][ T6576] do_new_mount+0x228/0x818 [ 208.506800][ T6576] path_mount+0x57c/0xfe8 [ 208.507674][ T6576] __arm64_sys_mount+0x488/0x5f8 [ 208.508737][ T6576] invoke_syscall+0x98/0x28c [ 208.509659][ T6576] el0_svc_common+0x13c/0x258 [ 208.510633][ T6576] do_el0_svc+0x5c/0x140 [ 208.511585][ T6576] el0_svc+0x78/0x1d4 [ 208.512459][ T6576] el0t_64_sync_handler+0xcc/0xe4 [ 208.513516][ T6576] el0t_64_sync+0x1a0/0x1a4 [ 208.514826][ T6576] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.517549][ T6576] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.688672][ T6579] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.690223][ T6579] CPU: 0 PID: 6579 Comm: syz.1.565 Not tainted syzkaller #0 [ 208.691477][ T6579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 208.693197][ T6579] Call trace: [ 208.693807][ T6579] dump_backtrace+0x0/0x458 [ 208.694668][ T6579] show_stack+0x2c/0x3c [ 208.695517][ T6579] __dump_stack+0x30/0x40 [ 208.696396][ T6579] dump_stack_lvl+0xf4/0x15c [ 208.697260][ T6579] dump_stack+0x1c/0x5c [ 208.698082][ T6579] sysfs_create_dir_ns+0x244/0x264 [ 208.699104][ T6579] kobject_add_internal+0x594/0xc2c [ 208.700185][ T6579] kobject_init_and_add+0x128/0x194 [ 208.701236][ T6579] gfs2_sys_fs_add+0x208/0x428 [ 208.702340][ T6579] gfs2_fill_super+0xe20/0x1a9c [ 208.703432][ T6579] get_tree_bdev+0x35c/0x54c [ 208.704481][ T6579] gfs2_get_tree+0x58/0x1b8 [ 208.705425][ T6579] vfs_get_tree+0x90/0x278 [ 208.706289][ T6579] do_new_mount+0x228/0x818 [ 208.707161][ T6579] path_mount+0x57c/0xfe8 [ 208.708029][ T6579] __arm64_sys_mount+0x488/0x5f8 [ 208.709039][ T6579] invoke_syscall+0x98/0x28c [ 208.709992][ T6579] el0_svc_common+0x13c/0x258 [ 208.710946][ T6579] do_el0_svc+0x5c/0x140 [ 208.711823][ T6579] el0_svc+0x78/0x1d4 [ 208.712634][ T6579] el0t_64_sync_handler+0xcc/0xe4 [ 208.713670][ T6579] el0t_64_sync+0x1a0/0x1a4 [ 208.716632][ T6579] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.719124][ T6579] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 208.964088][ T6582] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 208.965586][ T6582] CPU: 1 PID: 6582 Comm: syz.1.566 Not tainted syzkaller #0 [ 208.967239][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 208.969032][ T6582] Call trace: [ 208.969656][ T6582] dump_backtrace+0x0/0x458 [ 208.970610][ T6582] show_stack+0x2c/0x3c [ 208.971501][ T6582] __dump_stack+0x30/0x40 [ 208.972425][ T6582] dump_stack_lvl+0xf4/0x15c [ 208.973456][ T6582] dump_stack+0x1c/0x5c [ 208.974376][ T6582] sysfs_create_dir_ns+0x244/0x264 [ 208.975479][ T6582] kobject_add_internal+0x594/0xc2c [ 208.976657][ T6582] kobject_init_and_add+0x128/0x194 [ 208.977651][ T6582] gfs2_sys_fs_add+0x208/0x428 [ 208.978622][ T6582] gfs2_fill_super+0xe20/0x1a9c [ 208.979565][ T6582] get_tree_bdev+0x35c/0x54c [ 208.980523][ T6582] gfs2_get_tree+0x58/0x1b8 [ 208.981402][ T6582] vfs_get_tree+0x90/0x278 [ 208.982279][ T6582] do_new_mount+0x228/0x818 [ 208.983176][ T6582] path_mount+0x57c/0xfe8 [ 208.984101][ T6582] __arm64_sys_mount+0x488/0x5f8 [ 208.985139][ T6582] invoke_syscall+0x98/0x28c [ 208.986066][ T6582] el0_svc_common+0x13c/0x258 [ 208.986961][ T6582] do_el0_svc+0x5c/0x140 [ 208.987802][ T6582] el0_svc+0x78/0x1d4 [ 208.988590][ T6582] el0t_64_sync_handler+0xcc/0xe4 [ 208.989565][ T6582] el0t_64_sync+0x1a0/0x1a4 [ 208.990687][ T6582] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.992944][ T6582] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.292109][ T6585] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.293605][ T6585] CPU: 1 PID: 6585 Comm: syz.1.567 Not tainted syzkaller #0 [ 209.294975][ T6585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 209.296767][ T6585] Call trace: [ 209.297349][ T6585] dump_backtrace+0x0/0x458 [ 209.298135][ T6585] show_stack+0x2c/0x3c [ 209.298892][ T6585] __dump_stack+0x30/0x40 [ 209.299740][ T6585] dump_stack_lvl+0xf4/0x15c [ 209.300546][ T6585] dump_stack+0x1c/0x5c [ 209.301414][ T6585] sysfs_create_dir_ns+0x244/0x264 [ 209.302307][ T6585] kobject_add_internal+0x594/0xc2c [ 209.303227][ T6585] kobject_init_and_add+0x128/0x194 [ 209.304248][ T6585] gfs2_sys_fs_add+0x208/0x428 [ 209.305244][ T6585] gfs2_fill_super+0xe20/0x1a9c [ 209.306266][ T6585] get_tree_bdev+0x35c/0x54c [ 209.307219][ T6585] gfs2_get_tree+0x58/0x1b8 [ 209.308194][ T6585] vfs_get_tree+0x90/0x278 [ 209.309138][ T6585] do_new_mount+0x228/0x818 [ 209.310061][ T6585] path_mount+0x57c/0xfe8 [ 209.310981][ T6585] __arm64_sys_mount+0x488/0x5f8 [ 209.312114][ T6585] invoke_syscall+0x98/0x28c [ 209.313094][ T6585] el0_svc_common+0x13c/0x258 [ 209.314051][ T6585] do_el0_svc+0x5c/0x140 [ 209.314977][ T6585] el0_svc+0x78/0x1d4 [ 209.315835][ T6585] el0t_64_sync_handler+0xcc/0xe4 [ 209.316946][ T6585] el0t_64_sync+0x1a0/0x1a4 [ 209.318117][ T6585] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.321280][ T6585] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.548760][ T6588] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.550227][ T6588] CPU: 0 PID: 6588 Comm: syz.1.568 Not tainted syzkaller #0 [ 209.551528][ T6588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 209.553219][ T6588] Call trace: [ 209.553882][ T6588] dump_backtrace+0x0/0x458 [ 209.554787][ T6588] show_stack+0x2c/0x3c [ 209.555642][ T6588] __dump_stack+0x30/0x40 [ 209.556559][ T6588] dump_stack_lvl+0xf4/0x15c [ 209.557544][ T6588] dump_stack+0x1c/0x5c [ 209.558466][ T6588] sysfs_create_dir_ns+0x244/0x264 [ 209.559526][ T6588] kobject_add_internal+0x594/0xc2c [ 209.560608][ T6588] kobject_init_and_add+0x128/0x194 [ 209.561740][ T6588] gfs2_sys_fs_add+0x208/0x428 [ 209.562812][ T6588] gfs2_fill_super+0xe20/0x1a9c [ 209.563806][ T6588] get_tree_bdev+0x35c/0x54c [ 209.564746][ T6588] gfs2_get_tree+0x58/0x1b8 [ 209.565609][ T6588] vfs_get_tree+0x90/0x278 [ 209.566489][ T6588] do_new_mount+0x228/0x818 [ 209.567393][ T6588] path_mount+0x57c/0xfe8 [ 209.568224][ T6588] __arm64_sys_mount+0x488/0x5f8 [ 209.569182][ T6588] invoke_syscall+0x98/0x28c [ 209.570032][ T6588] el0_svc_common+0x13c/0x258 [ 209.570899][ T6588] do_el0_svc+0x5c/0x140 [ 209.571721][ T6588] el0_svc+0x78/0x1d4 [ 209.572496][ T6588] el0t_64_sync_handler+0xcc/0xe4 [ 209.573507][ T6588] el0t_64_sync+0x1a0/0x1a4 [ 209.575916][ T6588] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.578427][ T6588] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 209.804811][ T6591] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.806585][ T6591] CPU: 1 PID: 6591 Comm: syz.1.569 Not tainted syzkaller #0 [ 209.807918][ T6591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 209.809794][ T6591] Call trace: [ 209.810450][ T6591] dump_backtrace+0x0/0x458 [ 209.811290][ T6591] show_stack+0x2c/0x3c [ 209.812049][ T6591] __dump_stack+0x30/0x40 [ 209.812945][ T6591] dump_stack_lvl+0xf4/0x15c [ 209.813883][ T6591] dump_stack+0x1c/0x5c [ 209.814745][ T6591] sysfs_create_dir_ns+0x244/0x264 [ 209.815751][ T6591] kobject_add_internal+0x594/0xc2c [ 209.816760][ T6591] kobject_init_and_add+0x128/0x194 [ 209.817820][ T6591] gfs2_sys_fs_add+0x208/0x428 [ 209.818788][ T6591] gfs2_fill_super+0xe20/0x1a9c [ 209.819751][ T6591] get_tree_bdev+0x35c/0x54c [ 209.820690][ T6591] gfs2_get_tree+0x58/0x1b8 [ 209.821606][ T6591] vfs_get_tree+0x90/0x278 [ 209.822526][ T6591] do_new_mount+0x228/0x818 [ 209.823437][ T6591] path_mount+0x57c/0xfe8 [ 209.824308][ T6591] __arm64_sys_mount+0x488/0x5f8 [ 209.825273][ T6591] invoke_syscall+0x98/0x28c [ 209.826189][ T6591] el0_svc_common+0x13c/0x258 [ 209.827089][ T6591] do_el0_svc+0x5c/0x140 [ 209.827955][ T6591] el0_svc+0x78/0x1d4 [ 209.828741][ T6591] el0t_64_sync_handler+0xcc/0xe4 [ 209.829717][ T6591] el0t_64_sync+0x1a0/0x1a4 [ 209.832440][ T6591] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.834853][ T6591] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:29 executed programs: 556 [ 209.923569][ T13] Bluetooth: hci1: command 0x0406 tx timeout [ 209.977987][ T6594] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 209.979392][ T6594] CPU: 0 PID: 6594 Comm: syz.1.570 Not tainted syzkaller #0 [ 209.980803][ T6594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 209.982804][ T6594] Call trace: [ 209.983443][ T6594] dump_backtrace+0x0/0x458 [ 209.984445][ T6594] show_stack+0x2c/0x3c [ 209.985297][ T6594] __dump_stack+0x30/0x40 [ 209.986196][ T6594] dump_stack_lvl+0xf4/0x15c [ 209.987135][ T6594] dump_stack+0x1c/0x5c [ 209.988035][ T6594] sysfs_create_dir_ns+0x244/0x264 [ 209.989101][ T6594] kobject_add_internal+0x594/0xc2c [ 209.990197][ T6594] kobject_init_and_add+0x128/0x194 [ 209.991249][ T6594] gfs2_sys_fs_add+0x208/0x428 [ 209.992232][ T6594] gfs2_fill_super+0xe20/0x1a9c [ 209.993323][ T6594] get_tree_bdev+0x35c/0x54c [ 209.994325][ T6594] gfs2_get_tree+0x58/0x1b8 [ 209.995304][ T6594] vfs_get_tree+0x90/0x278 [ 209.996204][ T6594] do_new_mount+0x228/0x818 [ 209.997140][ T6594] path_mount+0x57c/0xfe8 [ 209.998044][ T6594] __arm64_sys_mount+0x488/0x5f8 [ 209.999023][ T6594] invoke_syscall+0x98/0x28c [ 209.999951][ T6594] el0_svc_common+0x13c/0x258 [ 210.000874][ T6594] do_el0_svc+0x5c/0x140 [ 210.001678][ T6594] el0_svc+0x78/0x1d4 [ 210.002533][ T6594] el0t_64_sync_handler+0xcc/0xe4 [ 210.003486][ T6594] el0t_64_sync+0x1a0/0x1a4 [ 210.005807][ T6594] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.008543][ T6594] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.149649][ T6597] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.151229][ T6597] CPU: 1 PID: 6597 Comm: syz.1.571 Not tainted syzkaller #0 [ 210.152679][ T6597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.154820][ T6597] Call trace: [ 210.155488][ T6597] dump_backtrace+0x0/0x458 [ 210.156396][ T6597] show_stack+0x2c/0x3c [ 210.157306][ T6597] __dump_stack+0x30/0x40 [ 210.158291][ T6597] dump_stack_lvl+0xf4/0x15c [ 210.159369][ T6597] dump_stack+0x1c/0x5c [ 210.160323][ T6597] sysfs_create_dir_ns+0x244/0x264 [ 210.161517][ T6597] kobject_add_internal+0x594/0xc2c [ 210.162520][ T6597] kobject_init_and_add+0x128/0x194 [ 210.163565][ T6597] gfs2_sys_fs_add+0x208/0x428 [ 210.164513][ T6597] gfs2_fill_super+0xe20/0x1a9c [ 210.165530][ T6597] get_tree_bdev+0x35c/0x54c [ 210.166521][ T6597] gfs2_get_tree+0x58/0x1b8 [ 210.167440][ T6597] vfs_get_tree+0x90/0x278 [ 210.168350][ T6597] do_new_mount+0x228/0x818 [ 210.169282][ T6597] path_mount+0x57c/0xfe8 [ 210.170186][ T6597] __arm64_sys_mount+0x488/0x5f8 [ 210.171229][ T6597] invoke_syscall+0x98/0x28c [ 210.172151][ T6597] el0_svc_common+0x13c/0x258 [ 210.173093][ T6597] do_el0_svc+0x5c/0x140 [ 210.173939][ T6597] el0_svc+0x78/0x1d4 [ 210.174691][ T6597] el0t_64_sync_handler+0xcc/0xe4 [ 210.175637][ T6597] el0t_64_sync+0x1a0/0x1a4 [ 210.179402][ T6597] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.181701][ T6597] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.449159][ T6600] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.450658][ T6600] CPU: 1 PID: 6600 Comm: syz.1.572 Not tainted syzkaller #0 [ 210.451938][ T6600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.454020][ T6600] Call trace: [ 210.454799][ T6600] dump_backtrace+0x0/0x458 [ 210.455773][ T6600] show_stack+0x2c/0x3c [ 210.456593][ T6600] __dump_stack+0x30/0x40 [ 210.457442][ T6600] dump_stack_lvl+0xf4/0x15c [ 210.458407][ T6600] dump_stack+0x1c/0x5c [ 210.459258][ T6600] sysfs_create_dir_ns+0x244/0x264 [ 210.460316][ T6600] kobject_add_internal+0x594/0xc2c [ 210.461395][ T6600] kobject_init_and_add+0x128/0x194 [ 210.462500][ T6600] gfs2_sys_fs_add+0x208/0x428 [ 210.463436][ T6600] gfs2_fill_super+0xe20/0x1a9c [ 210.464481][ T6600] get_tree_bdev+0x35c/0x54c [ 210.465480][ T6600] gfs2_get_tree+0x58/0x1b8 [ 210.466416][ T6600] vfs_get_tree+0x90/0x278 [ 210.467275][ T6600] do_new_mount+0x228/0x818 [ 210.468188][ T6600] path_mount+0x57c/0xfe8 [ 210.469017][ T6600] __arm64_sys_mount+0x488/0x5f8 [ 210.469952][ T6600] invoke_syscall+0x98/0x28c [ 210.470828][ T6600] el0_svc_common+0x13c/0x258 [ 210.471711][ T6600] do_el0_svc+0x5c/0x140 [ 210.472506][ T6600] el0_svc+0x78/0x1d4 [ 210.473292][ T6600] el0t_64_sync_handler+0xcc/0xe4 [ 210.474330][ T6600] el0t_64_sync+0x1a0/0x1a4 [ 210.476853][ T6600] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.479211][ T6600] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.658852][ T6603] set_capacity_and_notify: 11 callbacks suppressed [ 210.658863][ T6603] loop1: detected capacity change from 0 to 32768 [ 210.694033][ T6603] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.695876][ T6603] CPU: 1 PID: 6603 Comm: syz.1.573 Not tainted syzkaller #0 [ 210.697335][ T6603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.699468][ T6603] Call trace: [ 210.700131][ T6603] dump_backtrace+0x0/0x458 [ 210.700947][ T6603] show_stack+0x2c/0x3c [ 210.701754][ T6603] __dump_stack+0x30/0x40 [ 210.702576][ T6603] dump_stack_lvl+0xf4/0x15c [ 210.703537][ T6603] dump_stack+0x1c/0x5c [ 210.704536][ T6603] sysfs_create_dir_ns+0x244/0x264 [ 210.705684][ T6603] kobject_add_internal+0x594/0xc2c [ 210.706795][ T6603] kobject_init_and_add+0x128/0x194 [ 210.707855][ T6603] gfs2_sys_fs_add+0x208/0x428 [ 210.708917][ T6603] gfs2_fill_super+0xe20/0x1a9c [ 210.709951][ T6603] get_tree_bdev+0x35c/0x54c [ 210.710905][ T6603] gfs2_get_tree+0x58/0x1b8 [ 210.711897][ T6603] vfs_get_tree+0x90/0x278 [ 210.712913][ T6603] do_new_mount+0x228/0x818 [ 210.713938][ T6603] path_mount+0x57c/0xfe8 [ 210.714915][ T6603] __arm64_sys_mount+0x488/0x5f8 [ 210.715997][ T6603] invoke_syscall+0x98/0x28c [ 210.717020][ T6603] el0_svc_common+0x13c/0x258 [ 210.717975][ T6603] do_el0_svc+0x5c/0x140 [ 210.718790][ T6603] el0_svc+0x78/0x1d4 [ 210.719587][ T6603] el0t_64_sync_handler+0xcc/0xe4 [ 210.720751][ T6603] el0t_64_sync+0x1a0/0x1a4 [ 210.723313][ T6603] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.726345][ T6603] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 210.863988][ T6606] loop1: detected capacity change from 0 to 32768 [ 210.871733][ T6606] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 210.873198][ T6606] CPU: 0 PID: 6606 Comm: syz.1.574 Not tainted syzkaller #0 [ 210.874869][ T6606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.876981][ T6606] Call trace: [ 210.877646][ T6606] dump_backtrace+0x0/0x458 [ 210.878578][ T6606] show_stack+0x2c/0x3c [ 210.879374][ T6606] __dump_stack+0x30/0x40 [ 210.880180][ T6606] dump_stack_lvl+0xf4/0x15c [ 210.881179][ T6606] dump_stack+0x1c/0x5c [ 210.882084][ T6606] sysfs_create_dir_ns+0x244/0x264 [ 210.883047][ T6606] kobject_add_internal+0x594/0xc2c [ 210.884132][ T6606] kobject_init_and_add+0x128/0x194 [ 210.885252][ T6606] gfs2_sys_fs_add+0x208/0x428 [ 210.886254][ T6606] gfs2_fill_super+0xe20/0x1a9c [ 210.887339][ T6606] get_tree_bdev+0x35c/0x54c [ 210.888289][ T6606] gfs2_get_tree+0x58/0x1b8 [ 210.889255][ T6606] vfs_get_tree+0x90/0x278 [ 210.890202][ T6606] do_new_mount+0x228/0x818 [ 210.891103][ T6606] path_mount+0x57c/0xfe8 [ 210.892073][ T6606] __arm64_sys_mount+0x488/0x5f8 [ 210.893086][ T6606] invoke_syscall+0x98/0x28c [ 210.893977][ T6606] el0_svc_common+0x13c/0x258 [ 210.894949][ T6606] do_el0_svc+0x5c/0x140 [ 210.895766][ T6606] el0_svc+0x78/0x1d4 [ 210.896517][ T6606] el0t_64_sync_handler+0xcc/0xe4 [ 210.897489][ T6606] el0t_64_sync+0x1a0/0x1a4 [ 210.899957][ T6606] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.902283][ T6606] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.032475][ T6609] loop1: detected capacity change from 0 to 32768 [ 211.064045][ T6609] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.065324][ T6609] CPU: 0 PID: 6609 Comm: syz.1.575 Not tainted syzkaller #0 [ 211.066704][ T6609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 211.068366][ T6609] Call trace: [ 211.068941][ T6609] dump_backtrace+0x0/0x458 [ 211.069798][ T6609] show_stack+0x2c/0x3c [ 211.070592][ T6609] __dump_stack+0x30/0x40 [ 211.071454][ T6609] dump_stack_lvl+0xf4/0x15c [ 211.072354][ T6609] dump_stack+0x1c/0x5c [ 211.073194][ T6609] sysfs_create_dir_ns+0x244/0x264 [ 211.074343][ T6609] kobject_add_internal+0x594/0xc2c [ 211.075407][ T6609] kobject_init_and_add+0x128/0x194 [ 211.076414][ T6609] gfs2_sys_fs_add+0x208/0x428 [ 211.077289][ T6609] gfs2_fill_super+0xe20/0x1a9c [ 211.078344][ T6609] get_tree_bdev+0x35c/0x54c [ 211.079316][ T6609] gfs2_get_tree+0x58/0x1b8 [ 211.080282][ T6609] vfs_get_tree+0x90/0x278 [ 211.081191][ T6609] do_new_mount+0x228/0x818 [ 211.082156][ T6609] path_mount+0x57c/0xfe8 [ 211.083049][ T6609] __arm64_sys_mount+0x488/0x5f8 [ 211.084164][ T6609] invoke_syscall+0x98/0x28c [ 211.085172][ T6609] el0_svc_common+0x13c/0x258 [ 211.086207][ T6609] do_el0_svc+0x5c/0x140 [ 211.087077][ T6609] el0_svc+0x78/0x1d4 [ 211.087907][ T6609] el0t_64_sync_handler+0xcc/0xe4 [ 211.088915][ T6609] el0t_64_sync+0x1a0/0x1a4 [ 211.091716][ T6609] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.094178][ T6609] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.234786][ T6612] loop1: detected capacity change from 0 to 32768 [ 211.241825][ T6612] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.243285][ T6612] CPU: 1 PID: 6612 Comm: syz.1.576 Not tainted syzkaller #0 [ 211.244807][ T6612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 211.246940][ T6612] Call trace: [ 211.247574][ T6612] dump_backtrace+0x0/0x458 [ 211.248493][ T6612] show_stack+0x2c/0x3c [ 211.249408][ T6612] __dump_stack+0x30/0x40 [ 211.250328][ T6612] dump_stack_lvl+0xf4/0x15c [ 211.251232][ T6612] dump_stack+0x1c/0x5c [ 211.252152][ T6612] sysfs_create_dir_ns+0x244/0x264 [ 211.253239][ T6612] kobject_add_internal+0x594/0xc2c [ 211.254283][ T6612] kobject_init_and_add+0x128/0x194 [ 211.255290][ T6612] gfs2_sys_fs_add+0x208/0x428 [ 211.256274][ T6612] gfs2_fill_super+0xe20/0x1a9c [ 211.257269][ T6612] get_tree_bdev+0x35c/0x54c [ 211.258212][ T6612] gfs2_get_tree+0x58/0x1b8 [ 211.259082][ T6612] vfs_get_tree+0x90/0x278 [ 211.259992][ T6612] do_new_mount+0x228/0x818 [ 211.260958][ T6612] path_mount+0x57c/0xfe8 [ 211.261875][ T6612] __arm64_sys_mount+0x488/0x5f8 [ 211.262875][ T6612] invoke_syscall+0x98/0x28c [ 211.263798][ T6612] el0_svc_common+0x13c/0x258 [ 211.264780][ T6612] do_el0_svc+0x5c/0x140 [ 211.265649][ T6612] el0_svc+0x78/0x1d4 [ 211.266492][ T6612] el0t_64_sync_handler+0xcc/0xe4 [ 211.267536][ T6612] el0t_64_sync+0x1a0/0x1a4 [ 211.271790][ T6612] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.274144][ T6612] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.461175][ T6615] loop1: detected capacity change from 0 to 32768 [ 211.504016][ T6615] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.505592][ T6615] CPU: 0 PID: 6615 Comm: syz.1.577 Not tainted syzkaller #0 [ 211.506918][ T6615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 211.508744][ T6615] Call trace: [ 211.509287][ T6615] dump_backtrace+0x0/0x458 [ 211.510066][ T6615] show_stack+0x2c/0x3c [ 211.510839][ T6615] __dump_stack+0x30/0x40 [ 211.511697][ T6615] dump_stack_lvl+0xf4/0x15c [ 211.512573][ T6615] dump_stack+0x1c/0x5c [ 211.513437][ T6615] sysfs_create_dir_ns+0x244/0x264 [ 211.514429][ T6615] kobject_add_internal+0x594/0xc2c [ 211.515465][ T6615] kobject_init_and_add+0x128/0x194 [ 211.516485][ T6615] gfs2_sys_fs_add+0x208/0x428 [ 211.517510][ T6615] gfs2_fill_super+0xe20/0x1a9c [ 211.518489][ T6615] get_tree_bdev+0x35c/0x54c [ 211.519436][ T6615] gfs2_get_tree+0x58/0x1b8 [ 211.520326][ T6615] vfs_get_tree+0x90/0x278 [ 211.521179][ T6615] do_new_mount+0x228/0x818 [ 211.522093][ T6615] path_mount+0x57c/0xfe8 [ 211.522877][ T6615] __arm64_sys_mount+0x488/0x5f8 [ 211.523835][ T6615] invoke_syscall+0x98/0x28c [ 211.524709][ T6615] el0_svc_common+0x13c/0x258 [ 211.525701][ T6615] do_el0_svc+0x5c/0x140 [ 211.526647][ T6615] el0_svc+0x78/0x1d4 [ 211.527413][ T6615] el0t_64_sync_handler+0xcc/0xe4 [ 211.528381][ T6615] el0t_64_sync+0x1a0/0x1a4 [ 211.533370][ T6615] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.535980][ T6615] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 211.708039][ T6618] loop1: detected capacity change from 0 to 32768 [ 211.783671][ T6618] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 211.785212][ T6618] CPU: 0 PID: 6618 Comm: syz.1.578 Not tainted syzkaller #0 [ 211.786726][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 211.788637][ T6618] Call trace: [ 211.789213][ T6618] dump_backtrace+0x0/0x458 [ 211.789929][ T6618] show_stack+0x2c/0x3c [ 211.790688][ T6618] __dump_stack+0x30/0x40 [ 211.791547][ T6618] dump_stack_lvl+0xf4/0x15c [ 211.792387][ T6618] dump_stack+0x1c/0x5c [ 211.793207][ T6618] sysfs_create_dir_ns+0x244/0x264 [ 211.794259][ T6618] kobject_add_internal+0x594/0xc2c [ 211.795461][ T6618] kobject_init_and_add+0x128/0x194 [ 211.796639][ T6618] gfs2_sys_fs_add+0x208/0x428 [ 211.797575][ T6618] gfs2_fill_super+0xe20/0x1a9c [ 211.798599][ T6618] get_tree_bdev+0x35c/0x54c [ 211.799583][ T6618] gfs2_get_tree+0x58/0x1b8 [ 211.800557][ T6618] vfs_get_tree+0x90/0x278 [ 211.801455][ T6618] do_new_mount+0x228/0x818 [ 211.802434][ T6618] path_mount+0x57c/0xfe8 [ 211.803365][ T6618] __arm64_sys_mount+0x488/0x5f8 [ 211.804398][ T6618] invoke_syscall+0x98/0x28c [ 211.805363][ T6618] el0_svc_common+0x13c/0x258 [ 211.806289][ T6618] do_el0_svc+0x5c/0x140 [ 211.807146][ T6618] el0_svc+0x78/0x1d4 [ 211.807934][ T6618] el0t_64_sync_handler+0xcc/0xe4 [ 211.808943][ T6618] el0t_64_sync+0x1a0/0x1a4 [ 211.810028][ T6618] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.812474][ T6618] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.081905][ T6621] loop1: detected capacity change from 0 to 32768 [ 212.134496][ T6621] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.136017][ T6621] CPU: 1 PID: 6621 Comm: syz.1.579 Not tainted syzkaller #0 [ 212.137496][ T6621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 212.139431][ T6621] Call trace: [ 212.140069][ T6621] dump_backtrace+0x0/0x458 [ 212.141008][ T6621] show_stack+0x2c/0x3c [ 212.141817][ T6621] __dump_stack+0x30/0x40 [ 212.142662][ T6621] dump_stack_lvl+0xf4/0x15c [ 212.143566][ T6621] dump_stack+0x1c/0x5c [ 212.144377][ T6621] sysfs_create_dir_ns+0x244/0x264 [ 212.145409][ T6621] kobject_add_internal+0x594/0xc2c [ 212.146395][ T6621] kobject_init_and_add+0x128/0x194 [ 212.147463][ T6621] gfs2_sys_fs_add+0x208/0x428 [ 212.148354][ T6621] gfs2_fill_super+0xe20/0x1a9c [ 212.149274][ T6621] get_tree_bdev+0x35c/0x54c [ 212.150210][ T6621] gfs2_get_tree+0x58/0x1b8 [ 212.151078][ T6621] vfs_get_tree+0x90/0x278 [ 212.151960][ T6621] do_new_mount+0x228/0x818 [ 212.152845][ T6621] path_mount+0x57c/0xfe8 [ 212.153728][ T6621] __arm64_sys_mount+0x488/0x5f8 [ 212.154720][ T6621] invoke_syscall+0x98/0x28c [ 212.155643][ T6621] el0_svc_common+0x13c/0x258 [ 212.156556][ T6621] do_el0_svc+0x5c/0x140 [ 212.157398][ T6621] el0_svc+0x78/0x1d4 [ 212.158166][ T6621] el0t_64_sync_handler+0xcc/0xe4 [ 212.159130][ T6621] el0t_64_sync+0x1a0/0x1a4 [ 212.160242][ T6621] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.162599][ T6621] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.305611][ T6624] loop1: detected capacity change from 0 to 32768 [ 212.351701][ T6624] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.353104][ T6624] CPU: 0 PID: 6624 Comm: syz.1.580 Not tainted syzkaller #0 [ 212.354617][ T6624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 212.356763][ T6624] Call trace: [ 212.357464][ T6624] dump_backtrace+0x0/0x458 [ 212.358395][ T6624] show_stack+0x2c/0x3c [ 212.359263][ T6624] __dump_stack+0x30/0x40 [ 212.360109][ T6624] dump_stack_lvl+0xf4/0x15c [ 212.361097][ T6624] dump_stack+0x1c/0x5c [ 212.361950][ T6624] sysfs_create_dir_ns+0x244/0x264 [ 212.362955][ T6624] kobject_add_internal+0x594/0xc2c [ 212.364028][ T6624] kobject_init_and_add+0x128/0x194 [ 212.365031][ T6624] gfs2_sys_fs_add+0x208/0x428 [ 212.366057][ T6624] gfs2_fill_super+0xe20/0x1a9c [ 212.367057][ T6624] get_tree_bdev+0x35c/0x54c [ 212.368078][ T6624] gfs2_get_tree+0x58/0x1b8 [ 212.368982][ T6624] vfs_get_tree+0x90/0x278 [ 212.369908][ T6624] do_new_mount+0x228/0x818 [ 212.370763][ T6624] path_mount+0x57c/0xfe8 [ 212.371612][ T6624] __arm64_sys_mount+0x488/0x5f8 [ 212.372597][ T6624] invoke_syscall+0x98/0x28c [ 212.373486][ T6624] el0_svc_common+0x13c/0x258 [ 212.374421][ T6624] do_el0_svc+0x5c/0x140 [ 212.375174][ T6624] el0_svc+0x78/0x1d4 [ 212.375887][ T6624] el0t_64_sync_handler+0xcc/0xe4 [ 212.376835][ T6624] el0t_64_sync+0x1a0/0x1a4 [ 212.379490][ T6624] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.381939][ T6624] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.516932][ T6627] loop1: detected capacity change from 0 to 32768 [ 212.554031][ T6627] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.555535][ T6627] CPU: 1 PID: 6627 Comm: syz.1.581 Not tainted syzkaller #0 [ 212.556938][ T6627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 212.558826][ T6627] Call trace: [ 212.559422][ T6627] dump_backtrace+0x0/0x458 [ 212.560347][ T6627] show_stack+0x2c/0x3c [ 212.561171][ T6627] __dump_stack+0x30/0x40 [ 212.561985][ T6627] dump_stack_lvl+0xf4/0x15c [ 212.562879][ T6627] dump_stack+0x1c/0x5c [ 212.563756][ T6627] sysfs_create_dir_ns+0x244/0x264 [ 212.564787][ T6627] kobject_add_internal+0x594/0xc2c [ 212.565842][ T6627] kobject_init_and_add+0x128/0x194 [ 212.566871][ T6627] gfs2_sys_fs_add+0x208/0x428 [ 212.567924][ T6627] gfs2_fill_super+0xe20/0x1a9c [ 212.569059][ T6627] get_tree_bdev+0x35c/0x54c [ 212.570051][ T6627] gfs2_get_tree+0x58/0x1b8 [ 212.571074][ T6627] vfs_get_tree+0x90/0x278 [ 212.572082][ T6627] do_new_mount+0x228/0x818 [ 212.573078][ T6627] path_mount+0x57c/0xfe8 [ 212.574046][ T6627] __arm64_sys_mount+0x488/0x5f8 [ 212.575049][ T6627] invoke_syscall+0x98/0x28c [ 212.576037][ T6627] el0_svc_common+0x13c/0x258 [ 212.576960][ T6627] do_el0_svc+0x5c/0x140 [ 212.577862][ T6627] el0_svc+0x78/0x1d4 [ 212.578713][ T6627] el0t_64_sync_handler+0xcc/0xe4 [ 212.579724][ T6627] el0t_64_sync+0x1a0/0x1a4 [ 212.581878][ T6627] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.584837][ T6627] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.734165][ T6630] loop1: detected capacity change from 0 to 32768 [ 212.784088][ T6630] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.785755][ T6630] CPU: 0 PID: 6630 Comm: syz.1.582 Not tainted syzkaller #0 [ 212.787102][ T6630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 212.788960][ T6630] Call trace: [ 212.789519][ T6630] dump_backtrace+0x0/0x458 [ 212.790346][ T6630] show_stack+0x2c/0x3c [ 212.791099][ T6630] __dump_stack+0x30/0x40 [ 212.791886][ T6630] dump_stack_lvl+0xf4/0x15c [ 212.792744][ T6630] dump_stack+0x1c/0x5c [ 212.793542][ T6630] sysfs_create_dir_ns+0x244/0x264 [ 212.794592][ T6630] kobject_add_internal+0x594/0xc2c [ 212.795620][ T6630] kobject_init_and_add+0x128/0x194 [ 212.796606][ T6630] gfs2_sys_fs_add+0x208/0x428 [ 212.797544][ T6630] gfs2_fill_super+0xe20/0x1a9c [ 212.798533][ T6630] get_tree_bdev+0x35c/0x54c [ 212.799492][ T6630] gfs2_get_tree+0x58/0x1b8 [ 212.800419][ T6630] vfs_get_tree+0x90/0x278 [ 212.801302][ T6630] do_new_mount+0x228/0x818 [ 212.802189][ T6630] path_mount+0x57c/0xfe8 [ 212.803057][ T6630] __arm64_sys_mount+0x488/0x5f8 [ 212.804034][ T6630] invoke_syscall+0x98/0x28c [ 212.804881][ T6630] el0_svc_common+0x13c/0x258 [ 212.805779][ T6630] do_el0_svc+0x5c/0x140 [ 212.806587][ T6630] el0_svc+0x78/0x1d4 [ 212.807369][ T6630] el0t_64_sync_handler+0xcc/0xe4 [ 212.808356][ T6630] el0t_64_sync+0x1a0/0x1a4 [ 212.810833][ T6630] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.813141][ T6630] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 212.995343][ T6633] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 212.996722][ T6633] CPU: 0 PID: 6633 Comm: syz.1.583 Not tainted syzkaller #0 [ 212.998043][ T6633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 213.000037][ T6633] Call trace: [ 213.000707][ T6633] dump_backtrace+0x0/0x458 [ 213.001646][ T6633] show_stack+0x2c/0x3c [ 213.002477][ T6633] __dump_stack+0x30/0x40 [ 213.003438][ T6633] dump_stack_lvl+0xf4/0x15c [ 213.004435][ T6633] dump_stack+0x1c/0x5c [ 213.005384][ T6633] sysfs_create_dir_ns+0x244/0x264 [ 213.006485][ T6633] kobject_add_internal+0x594/0xc2c [ 213.007545][ T6633] kobject_init_and_add+0x128/0x194 [ 213.008650][ T6633] gfs2_sys_fs_add+0x208/0x428 [ 213.009632][ T6633] gfs2_fill_super+0xe20/0x1a9c [ 213.010551][ T6633] get_tree_bdev+0x35c/0x54c [ 213.011456][ T6633] gfs2_get_tree+0x58/0x1b8 [ 213.012388][ T6633] vfs_get_tree+0x90/0x278 [ 213.013357][ T6633] do_new_mount+0x228/0x818 [ 213.014340][ T6633] path_mount+0x57c/0xfe8 [ 213.015259][ T6633] __arm64_sys_mount+0x488/0x5f8 [ 213.016311][ T6633] invoke_syscall+0x98/0x28c [ 213.017239][ T6633] el0_svc_common+0x13c/0x258 [ 213.018167][ T6633] do_el0_svc+0x5c/0x140 [ 213.018977][ T6633] el0_svc+0x78/0x1d4 [ 213.019757][ T6633] el0t_64_sync_handler+0xcc/0xe4 [ 213.020720][ T6633] el0t_64_sync+0x1a0/0x1a4 [ 213.023337][ T6633] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.026366][ T6633] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.254227][ T6636] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.255731][ T6636] CPU: 0 PID: 6636 Comm: syz.1.584 Not tainted syzkaller #0 [ 213.257112][ T6636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 213.259049][ T6636] Call trace: [ 213.259673][ T6636] dump_backtrace+0x0/0x458 [ 213.260517][ T6636] show_stack+0x2c/0x3c [ 213.261230][ T6636] __dump_stack+0x30/0x40 [ 213.262015][ T6636] dump_stack_lvl+0xf4/0x15c [ 213.262901][ T6636] dump_stack+0x1c/0x5c [ 213.263634][ T6636] sysfs_create_dir_ns+0x244/0x264 [ 213.264671][ T6636] kobject_add_internal+0x594/0xc2c [ 213.265771][ T6636] kobject_init_and_add+0x128/0x194 [ 213.266871][ T6636] gfs2_sys_fs_add+0x208/0x428 [ 213.267805][ T6636] gfs2_fill_super+0xe20/0x1a9c [ 213.268725][ T6636] get_tree_bdev+0x35c/0x54c [ 213.269674][ T6636] gfs2_get_tree+0x58/0x1b8 [ 213.270576][ T6636] vfs_get_tree+0x90/0x278 [ 213.271453][ T6636] do_new_mount+0x228/0x818 [ 213.272389][ T6636] path_mount+0x57c/0xfe8 [ 213.273263][ T6636] __arm64_sys_mount+0x488/0x5f8 [ 213.274339][ T6636] invoke_syscall+0x98/0x28c [ 213.275302][ T6636] el0_svc_common+0x13c/0x258 [ 213.276216][ T6636] do_el0_svc+0x5c/0x140 [ 213.277061][ T6636] el0_svc+0x78/0x1d4 [ 213.277878][ T6636] el0t_64_sync_handler+0xcc/0xe4 [ 213.278998][ T6636] el0t_64_sync+0x1a0/0x1a4 [ 213.281467][ T6636] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.283899][ T6636] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.513710][ T6639] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.516022][ T6639] CPU: 0 PID: 6639 Comm: syz.1.585 Not tainted syzkaller #0 [ 213.517513][ T6639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 213.519587][ T6639] Call trace: [ 213.520266][ T6639] dump_backtrace+0x0/0x458 [ 213.521260][ T6639] show_stack+0x2c/0x3c [ 213.522165][ T6639] __dump_stack+0x30/0x40 [ 213.523084][ T6639] dump_stack_lvl+0xf4/0x15c [ 213.524086][ T6639] dump_stack+0x1c/0x5c [ 213.525087][ T6639] sysfs_create_dir_ns+0x244/0x264 [ 213.526328][ T6639] kobject_add_internal+0x594/0xc2c [ 213.527397][ T6639] kobject_init_and_add+0x128/0x194 [ 213.528560][ T6639] gfs2_sys_fs_add+0x208/0x428 [ 213.529646][ T6639] gfs2_fill_super+0xe20/0x1a9c [ 213.530625][ T6639] get_tree_bdev+0x35c/0x54c [ 213.531557][ T6639] gfs2_get_tree+0x58/0x1b8 [ 213.532535][ T6639] vfs_get_tree+0x90/0x278 [ 213.533424][ T6639] do_new_mount+0x228/0x818 [ 213.534354][ T6639] path_mount+0x57c/0xfe8 [ 213.535288][ T6639] __arm64_sys_mount+0x488/0x5f8 [ 213.536357][ T6639] invoke_syscall+0x98/0x28c [ 213.537381][ T6639] el0_svc_common+0x13c/0x258 [ 213.538479][ T6639] do_el0_svc+0x5c/0x140 [ 213.539419][ T6639] el0_svc+0x78/0x1d4 [ 213.540307][ T6639] el0t_64_sync_handler+0xcc/0xe4 [ 213.541476][ T6639] el0t_64_sync+0x1a0/0x1a4 [ 213.544416][ T6639] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.546653][ T6639] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.693810][ T6642] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.695206][ T6642] CPU: 1 PID: 6642 Comm: syz.1.586 Not tainted syzkaller #0 [ 213.696602][ T6642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 213.698753][ T6642] Call trace: [ 213.699424][ T6642] dump_backtrace+0x0/0x458 [ 213.700369][ T6642] show_stack+0x2c/0x3c [ 213.701241][ T6642] __dump_stack+0x30/0x40 [ 213.702177][ T6642] dump_stack_lvl+0xf4/0x15c [ 213.703186][ T6642] dump_stack+0x1c/0x5c [ 213.704069][ T6642] sysfs_create_dir_ns+0x244/0x264 [ 213.705157][ T6642] kobject_add_internal+0x594/0xc2c [ 213.706243][ T6642] kobject_init_and_add+0x128/0x194 [ 213.707340][ T6642] gfs2_sys_fs_add+0x208/0x428 [ 213.708380][ T6642] gfs2_fill_super+0xe20/0x1a9c [ 213.709442][ T6642] get_tree_bdev+0x35c/0x54c [ 213.710464][ T6642] gfs2_get_tree+0x58/0x1b8 [ 213.711488][ T6642] vfs_get_tree+0x90/0x278 [ 213.712456][ T6642] do_new_mount+0x228/0x818 [ 213.713359][ T6642] path_mount+0x57c/0xfe8 [ 213.714321][ T6642] __arm64_sys_mount+0x488/0x5f8 [ 213.715443][ T6642] invoke_syscall+0x98/0x28c [ 213.716504][ T6642] el0_svc_common+0x13c/0x258 [ 213.717416][ T6642] do_el0_svc+0x5c/0x140 [ 213.718379][ T6642] el0_svc+0x78/0x1d4 [ 213.719270][ T6642] el0t_64_sync_handler+0xcc/0xe4 [ 213.720354][ T6642] el0t_64_sync+0x1a0/0x1a4 [ 213.721545][ T6642] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.725010][ T6642] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 213.914004][ T6645] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 213.915432][ T6645] CPU: 1 PID: 6645 Comm: syz.1.587 Not tainted syzkaller #0 [ 213.916731][ T6645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 213.918579][ T6645] Call trace: [ 213.919197][ T6645] dump_backtrace+0x0/0x458 [ 213.920023][ T6645] show_stack+0x2c/0x3c [ 213.920863][ T6645] __dump_stack+0x30/0x40 [ 213.921762][ T6645] dump_stack_lvl+0xf4/0x15c [ 213.922565][ T6645] dump_stack+0x1c/0x5c [ 213.923338][ T6645] sysfs_create_dir_ns+0x244/0x264 [ 213.924433][ T6645] kobject_add_internal+0x594/0xc2c [ 213.925522][ T6645] kobject_init_and_add+0x128/0x194 [ 213.926559][ T6645] gfs2_sys_fs_add+0x208/0x428 [ 213.927554][ T6645] gfs2_fill_super+0xe20/0x1a9c [ 213.928639][ T6645] get_tree_bdev+0x35c/0x54c [ 213.929597][ T6645] gfs2_get_tree+0x58/0x1b8 [ 213.930493][ T6645] vfs_get_tree+0x90/0x278 [ 213.931382][ T6645] do_new_mount+0x228/0x818 [ 213.932247][ T6645] path_mount+0x57c/0xfe8 [ 213.933053][ T6645] __arm64_sys_mount+0x488/0x5f8 [ 213.934118][ T6645] invoke_syscall+0x98/0x28c [ 213.935066][ T6645] el0_svc_common+0x13c/0x258 [ 213.936110][ T6645] do_el0_svc+0x5c/0x140 [ 213.936991][ T6645] el0_svc+0x78/0x1d4 [ 213.937927][ T6645] el0t_64_sync_handler+0xcc/0xe4 [ 213.939062][ T6645] el0t_64_sync+0x1a0/0x1a4 [ 213.940496][ T6645] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.943027][ T6645] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.183922][ T6648] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.185377][ T6648] CPU: 0 PID: 6648 Comm: syz.1.588 Not tainted syzkaller #0 [ 214.186755][ T6648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 214.188681][ T6648] Call trace: [ 214.189326][ T6648] dump_backtrace+0x0/0x458 [ 214.190259][ T6648] show_stack+0x2c/0x3c [ 214.191135][ T6648] __dump_stack+0x30/0x40 [ 214.192088][ T6648] dump_stack_lvl+0xf4/0x15c [ 214.193026][ T6648] dump_stack+0x1c/0x5c [ 214.193930][ T6648] sysfs_create_dir_ns+0x244/0x264 [ 214.194945][ T6648] kobject_add_internal+0x594/0xc2c [ 214.196093][ T6648] kobject_init_and_add+0x128/0x194 [ 214.197100][ T6648] gfs2_sys_fs_add+0x208/0x428 [ 214.198121][ T6648] gfs2_fill_super+0xe20/0x1a9c [ 214.199167][ T6648] get_tree_bdev+0x35c/0x54c [ 214.200149][ T6648] gfs2_get_tree+0x58/0x1b8 [ 214.201116][ T6648] vfs_get_tree+0x90/0x278 [ 214.202075][ T6648] do_new_mount+0x228/0x818 [ 214.203054][ T6648] path_mount+0x57c/0xfe8 [ 214.203990][ T6648] __arm64_sys_mount+0x488/0x5f8 [ 214.204955][ T6648] invoke_syscall+0x98/0x28c [ 214.205795][ T6648] el0_svc_common+0x13c/0x258 [ 214.206695][ T6648] do_el0_svc+0x5c/0x140 [ 214.207489][ T6648] el0_svc+0x78/0x1d4 [ 214.208220][ T6648] el0t_64_sync_handler+0xcc/0xe4 [ 214.209181][ T6648] el0t_64_sync+0x1a0/0x1a4 [ 214.211652][ T6648] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.214108][ T6648] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.393963][ T6651] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.395492][ T6651] CPU: 0 PID: 6651 Comm: syz.1.589 Not tainted syzkaller #0 [ 214.396968][ T6651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 214.399011][ T6651] Call trace: [ 214.399662][ T6651] dump_backtrace+0x0/0x458 [ 214.400543][ T6651] show_stack+0x2c/0x3c [ 214.401341][ T6651] __dump_stack+0x30/0x40 [ 214.402190][ T6651] dump_stack_lvl+0xf4/0x15c [ 214.403090][ T6651] dump_stack+0x1c/0x5c [ 214.404033][ T6651] sysfs_create_dir_ns+0x244/0x264 [ 214.405105][ T6651] kobject_add_internal+0x594/0xc2c [ 214.406265][ T6651] kobject_init_and_add+0x128/0x194 [ 214.407349][ T6651] gfs2_sys_fs_add+0x208/0x428 [ 214.408407][ T6651] gfs2_fill_super+0xe20/0x1a9c [ 214.409476][ T6651] get_tree_bdev+0x35c/0x54c [ 214.410534][ T6651] gfs2_get_tree+0x58/0x1b8 [ 214.411565][ T6651] vfs_get_tree+0x90/0x278 [ 214.412548][ T6651] do_new_mount+0x228/0x818 [ 214.413572][ T6651] path_mount+0x57c/0xfe8 [ 214.414500][ T6651] __arm64_sys_mount+0x488/0x5f8 [ 214.415595][ T6651] invoke_syscall+0x98/0x28c [ 214.416619][ T6651] el0_svc_common+0x13c/0x258 [ 214.417657][ T6651] do_el0_svc+0x5c/0x140 [ 214.418672][ T6651] el0_svc+0x78/0x1d4 [ 214.419625][ T6651] el0t_64_sync_handler+0xcc/0xe4 [ 214.420719][ T6651] el0t_64_sync+0x1a0/0x1a4 [ 214.423761][ T6651] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.426335][ T6651] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.594794][ T6654] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.596368][ T6654] CPU: 0 PID: 6654 Comm: syz.1.590 Not tainted syzkaller #0 [ 214.597791][ T6654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 214.599577][ T6654] Call trace: [ 214.600220][ T6654] dump_backtrace+0x0/0x458 [ 214.601158][ T6654] show_stack+0x2c/0x3c [ 214.602031][ T6654] __dump_stack+0x30/0x40 [ 214.602886][ T6654] dump_stack_lvl+0xf4/0x15c [ 214.603838][ T6654] dump_stack+0x1c/0x5c [ 214.604744][ T6654] sysfs_create_dir_ns+0x244/0x264 [ 214.605872][ T6654] kobject_add_internal+0x594/0xc2c [ 214.606892][ T6654] kobject_init_and_add+0x128/0x194 [ 214.607972][ T6654] gfs2_sys_fs_add+0x208/0x428 [ 214.608900][ T6654] gfs2_fill_super+0xe20/0x1a9c [ 214.609859][ T6654] get_tree_bdev+0x35c/0x54c [ 214.610861][ T6654] gfs2_get_tree+0x58/0x1b8 [ 214.611697][ T6654] vfs_get_tree+0x90/0x278 [ 214.612548][ T6654] do_new_mount+0x228/0x818 [ 214.613405][ T6654] path_mount+0x57c/0xfe8 [ 214.614253][ T6654] __arm64_sys_mount+0x488/0x5f8 [ 214.615363][ T6654] invoke_syscall+0x98/0x28c [ 214.616408][ T6654] el0_svc_common+0x13c/0x258 [ 214.617418][ T6654] do_el0_svc+0x5c/0x140 [ 214.618233][ T6654] el0_svc+0x78/0x1d4 [ 214.619010][ T6654] el0t_64_sync_handler+0xcc/0xe4 [ 214.620022][ T6654] el0t_64_sync+0x1a0/0x1a4 [ 214.622416][ T6654] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.625044][ T6654] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 214.819179][ T6657] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 214.820877][ T6657] CPU: 0 PID: 6657 Comm: syz.1.591 Not tainted syzkaller #0 [ 214.822473][ T6657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 214.824721][ T6657] Call trace: [ 214.825407][ T6657] dump_backtrace+0x0/0x458 [ 214.826328][ T6657] show_stack+0x2c/0x3c [ 214.827097][ T6657] __dump_stack+0x30/0x40 [ 214.828091][ T6657] dump_stack_lvl+0xf4/0x15c [ 214.829016][ T6657] dump_stack+0x1c/0x5c [ 214.829835][ T6657] sysfs_create_dir_ns+0x244/0x264 [ 214.830793][ T6657] kobject_add_internal+0x594/0xc2c [ 214.831860][ T6657] kobject_init_and_add+0x128/0x194 [ 214.832922][ T6657] gfs2_sys_fs_add+0x208/0x428 [ 214.833887][ T6657] gfs2_fill_super+0xe20/0x1a9c [ 214.834957][ T6657] get_tree_bdev+0x35c/0x54c [ 214.835924][ T6657] gfs2_get_tree+0x58/0x1b8 [ 214.836865][ T6657] vfs_get_tree+0x90/0x278 [ 214.837780][ T6657] do_new_mount+0x228/0x818 [ 214.838785][ T6657] path_mount+0x57c/0xfe8 [ 214.839707][ T6657] __arm64_sys_mount+0x488/0x5f8 [ 214.840648][ T6657] invoke_syscall+0x98/0x28c [ 214.841551][ T6657] el0_svc_common+0x13c/0x258 [ 214.842393][ T6657] do_el0_svc+0x5c/0x140 [ 214.843256][ T6657] el0_svc+0x78/0x1d4 [ 214.844008][ T6657] el0t_64_sync_handler+0xcc/0xe4 [ 214.845012][ T6657] el0t_64_sync+0x1a0/0x1a4 [ 214.847420][ T6657] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.850048][ T6657] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files 1970/01/01 00:03:34 executed programs: 578 [ 215.069248][ T6660] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.070787][ T6660] CPU: 1 PID: 6660 Comm: syz.1.592 Not tainted syzkaller #0 [ 215.072134][ T6660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.073946][ T6660] Call trace: [ 215.074642][ T6660] dump_backtrace+0x0/0x458 [ 215.075656][ T6660] show_stack+0x2c/0x3c [ 215.076583][ T6660] __dump_stack+0x30/0x40 [ 215.077533][ T6660] dump_stack_lvl+0xf4/0x15c [ 215.078583][ T6660] dump_stack+0x1c/0x5c [ 215.079461][ T6660] sysfs_create_dir_ns+0x244/0x264 [ 215.080568][ T6660] kobject_add_internal+0x594/0xc2c [ 215.081752][ T6660] kobject_init_and_add+0x128/0x194 [ 215.082898][ T6660] gfs2_sys_fs_add+0x208/0x428 [ 215.083840][ T6660] gfs2_fill_super+0xe20/0x1a9c [ 215.084853][ T6660] get_tree_bdev+0x35c/0x54c [ 215.085862][ T6660] gfs2_get_tree+0x58/0x1b8 [ 215.086867][ T6660] vfs_get_tree+0x90/0x278 [ 215.087817][ T6660] do_new_mount+0x228/0x818 [ 215.088747][ T6660] path_mount+0x57c/0xfe8 [ 215.089636][ T6660] __arm64_sys_mount+0x488/0x5f8 [ 215.090714][ T6660] invoke_syscall+0x98/0x28c [ 215.091795][ T6660] el0_svc_common+0x13c/0x258 [ 215.092721][ T6660] do_el0_svc+0x5c/0x140 [ 215.093544][ T6660] el0_svc+0x78/0x1d4 [ 215.094395][ T6660] el0t_64_sync_handler+0xcc/0xe4 [ 215.095390][ T6660] el0t_64_sync+0x1a0/0x1a4 [ 215.096526][ T6660] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.099254][ T6660] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.338618][ T6663] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.340077][ T6663] CPU: 0 PID: 6663 Comm: syz.1.593 Not tainted syzkaller #0 [ 215.341437][ T6663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.343451][ T6663] Call trace: [ 215.344171][ T6663] dump_backtrace+0x0/0x458 [ 215.345142][ T6663] show_stack+0x2c/0x3c [ 215.345957][ T6663] __dump_stack+0x30/0x40 [ 215.346841][ T6663] dump_stack_lvl+0xf4/0x15c [ 215.347763][ T6663] dump_stack+0x1c/0x5c [ 215.348660][ T6663] sysfs_create_dir_ns+0x244/0x264 [ 215.349728][ T6663] kobject_add_internal+0x594/0xc2c [ 215.350848][ T6663] kobject_init_and_add+0x128/0x194 [ 215.351949][ T6663] gfs2_sys_fs_add+0x208/0x428 [ 215.352993][ T6663] gfs2_fill_super+0xe20/0x1a9c [ 215.354045][ T6663] get_tree_bdev+0x35c/0x54c [ 215.354968][ T6663] gfs2_get_tree+0x58/0x1b8 [ 215.355855][ T6663] vfs_get_tree+0x90/0x278 [ 215.356740][ T6663] do_new_mount+0x228/0x818 [ 215.357725][ T6663] path_mount+0x57c/0xfe8 [ 215.358661][ T6663] __arm64_sys_mount+0x488/0x5f8 [ 215.359769][ T6663] invoke_syscall+0x98/0x28c [ 215.360744][ T6663] el0_svc_common+0x13c/0x258 [ 215.361733][ T6663] do_el0_svc+0x5c/0x140 [ 215.362664][ T6663] el0_svc+0x78/0x1d4 [ 215.363555][ T6663] el0t_64_sync_handler+0xcc/0xe4 [ 215.364547][ T6663] el0t_64_sync+0x1a0/0x1a4 [ 215.367487][ T6663] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.369917][ T6663] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.602088][ T6666] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.603678][ T6666] CPU: 1 PID: 6666 Comm: syz.1.594 Not tainted syzkaller #0 [ 215.604968][ T6666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.606920][ T6666] Call trace: [ 215.607455][ T6666] dump_backtrace+0x0/0x458 [ 215.608288][ T6666] show_stack+0x2c/0x3c [ 215.609105][ T6666] __dump_stack+0x30/0x40 [ 215.609921][ T6666] dump_stack_lvl+0xf4/0x15c [ 215.610763][ T6666] dump_stack+0x1c/0x5c [ 215.611542][ T6666] sysfs_create_dir_ns+0x244/0x264 [ 215.612532][ T6666] kobject_add_internal+0x594/0xc2c [ 215.613467][ T6666] kobject_init_and_add+0x128/0x194 [ 215.614487][ T6666] gfs2_sys_fs_add+0x208/0x428 [ 215.615396][ T6666] gfs2_fill_super+0xe20/0x1a9c [ 215.616395][ T6666] get_tree_bdev+0x35c/0x54c [ 215.617244][ T6666] gfs2_get_tree+0x58/0x1b8 [ 215.618109][ T6666] vfs_get_tree+0x90/0x278 [ 215.619010][ T6666] do_new_mount+0x228/0x818 [ 215.619840][ T6666] path_mount+0x57c/0xfe8 [ 215.620712][ T6666] __arm64_sys_mount+0x488/0x5f8 [ 215.621655][ T6666] invoke_syscall+0x98/0x28c [ 215.622525][ T6666] el0_svc_common+0x13c/0x258 [ 215.623472][ T6666] do_el0_svc+0x5c/0x140 [ 215.624306][ T6666] el0_svc+0x78/0x1d4 [ 215.625027][ T6666] el0t_64_sync_handler+0xcc/0xe4 [ 215.625869][ T6666] el0t_64_sync+0x1a0/0x1a4 [ 215.626887][ T6666] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.629314][ T6666] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 215.772928][ T6669] set_capacity_and_notify: 12 callbacks suppressed [ 215.772939][ T6669] loop1: detected capacity change from 0 to 32768 [ 215.828760][ T6669] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 215.830021][ T6669] CPU: 0 PID: 6669 Comm: syz.1.595 Not tainted syzkaller #0 [ 215.831354][ T6669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.833329][ T6669] Call trace: [ 215.833988][ T6669] dump_backtrace+0x0/0x458 [ 215.834935][ T6669] show_stack+0x2c/0x3c [ 215.835811][ T6669] __dump_stack+0x30/0x40 [ 215.836660][ T6669] dump_stack_lvl+0xf4/0x15c [ 215.837617][ T6669] dump_stack+0x1c/0x5c [ 215.838484][ T6669] sysfs_create_dir_ns+0x244/0x264 [ 215.839474][ T6669] kobject_add_internal+0x594/0xc2c [ 215.840626][ T6669] kobject_init_and_add+0x128/0x194 [ 215.841772][ T6669] gfs2_sys_fs_add+0x208/0x428 [ 215.842820][ T6669] gfs2_fill_super+0xe20/0x1a9c [ 215.843868][ T6669] get_tree_bdev+0x35c/0x54c [ 215.844849][ T6669] gfs2_get_tree+0x58/0x1b8 [ 215.845855][ T6669] vfs_get_tree+0x90/0x278 [ 215.846825][ T6669] do_new_mount+0x228/0x818 [ 215.847673][ T6669] path_mount+0x57c/0xfe8 [ 215.848537][ T6669] __arm64_sys_mount+0x488/0x5f8 [ 215.849265][ T6669] invoke_syscall+0x98/0x28c [ 215.850052][ T6669] el0_svc_common+0x13c/0x258 [ 215.850968][ T6669] do_el0_svc+0x5c/0x140 [ 215.851832][ T6669] el0_svc+0x78/0x1d4 [ 215.852528][ T6669] el0t_64_sync_handler+0xcc/0xe4 [ 215.853411][ T6669] el0t_64_sync+0x1a0/0x1a4 [ 215.856265][ T6669] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.858506][ T6669] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.050370][ T6672] loop1: detected capacity change from 0 to 32768 [ 216.084353][ T6672] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.085895][ T6672] CPU: 0 PID: 6672 Comm: syz.1.596 Not tainted syzkaller #0 [ 216.087328][ T6672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.089583][ T6672] Call trace: [ 216.090378][ T6672] dump_backtrace+0x0/0x458 [ 216.091394][ T6672] show_stack+0x2c/0x3c [ 216.092336][ T6672] __dump_stack+0x30/0x40 [ 216.093244][ T6672] dump_stack_lvl+0xf4/0x15c [ 216.094268][ T6672] dump_stack+0x1c/0x5c [ 216.095120][ T6672] sysfs_create_dir_ns+0x244/0x264 [ 216.096263][ T6672] kobject_add_internal+0x594/0xc2c [ 216.097363][ T6672] kobject_init_and_add+0x128/0x194 [ 216.098485][ T6672] gfs2_sys_fs_add+0x208/0x428 [ 216.099372][ T6672] gfs2_fill_super+0xe20/0x1a9c [ 216.100255][ T6672] get_tree_bdev+0x35c/0x54c [ 216.101139][ T6672] gfs2_get_tree+0x58/0x1b8 [ 216.102018][ T6672] vfs_get_tree+0x90/0x278 [ 216.102882][ T6672] do_new_mount+0x228/0x818 [ 216.103762][ T6672] path_mount+0x57c/0xfe8 [ 216.104608][ T6672] __arm64_sys_mount+0x488/0x5f8 [ 216.105572][ T6672] invoke_syscall+0x98/0x28c [ 216.106452][ T6672] el0_svc_common+0x13c/0x258 [ 216.107350][ T6672] do_el0_svc+0x5c/0x140 [ 216.108166][ T6672] el0_svc+0x78/0x1d4 [ 216.108921][ T6672] el0t_64_sync_handler+0xcc/0xe4 [ 216.109926][ T6672] el0t_64_sync+0x1a0/0x1a4 [ 216.112373][ T6672] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.115128][ T6672] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.254486][ T6675] loop1: detected capacity change from 0 to 32768 [ 216.261914][ T6675] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.263211][ T6675] CPU: 0 PID: 6675 Comm: syz.1.597 Not tainted syzkaller #0 [ 216.264667][ T6675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.266726][ T6675] Call trace: [ 216.267426][ T6675] dump_backtrace+0x0/0x458 [ 216.268407][ T6675] show_stack+0x2c/0x3c [ 216.269300][ T6675] __dump_stack+0x30/0x40 [ 216.270172][ T6675] dump_stack_lvl+0xf4/0x15c [ 216.271077][ T6675] dump_stack+0x1c/0x5c [ 216.271984][ T6675] sysfs_create_dir_ns+0x244/0x264 [ 216.273062][ T6675] kobject_add_internal+0x594/0xc2c [ 216.274174][ T6675] kobject_init_and_add+0x128/0x194 [ 216.275224][ T6675] gfs2_sys_fs_add+0x208/0x428 [ 216.276158][ T6675] gfs2_fill_super+0xe20/0x1a9c [ 216.277121][ T6675] get_tree_bdev+0x35c/0x54c [ 216.277997][ T6675] gfs2_get_tree+0x58/0x1b8 [ 216.278891][ T6675] vfs_get_tree+0x90/0x278 [ 216.279639][ T6675] do_new_mount+0x228/0x818 [ 216.280522][ T6675] path_mount+0x57c/0xfe8 [ 216.281418][ T6675] __arm64_sys_mount+0x488/0x5f8 [ 216.282525][ T6675] invoke_syscall+0x98/0x28c [ 216.283487][ T6675] el0_svc_common+0x13c/0x258 [ 216.284451][ T6675] do_el0_svc+0x5c/0x140 [ 216.285297][ T6675] el0_svc+0x78/0x1d4 [ 216.286056][ T6675] el0t_64_sync_handler+0xcc/0xe4 [ 216.287070][ T6675] el0t_64_sync+0x1a0/0x1a4 [ 216.289886][ T6675] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.292153][ T6675] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.430760][ T6678] loop1: detected capacity change from 0 to 32768 [ 216.473976][ T6678] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.475391][ T6678] CPU: 0 PID: 6678 Comm: syz.1.598 Not tainted syzkaller #0 [ 216.476900][ T6678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.478986][ T6678] Call trace: [ 216.479635][ T6678] dump_backtrace+0x0/0x458 [ 216.480559][ T6678] show_stack+0x2c/0x3c [ 216.481365][ T6678] __dump_stack+0x30/0x40 [ 216.482330][ T6678] dump_stack_lvl+0xf4/0x15c [ 216.483346][ T6678] dump_stack+0x1c/0x5c [ 216.484203][ T6678] sysfs_create_dir_ns+0x244/0x264 [ 216.485314][ T6678] kobject_add_internal+0x594/0xc2c [ 216.486427][ T6678] kobject_init_and_add+0x128/0x194 [ 216.487503][ T6678] gfs2_sys_fs_add+0x208/0x428 [ 216.488451][ T6678] gfs2_fill_super+0xe20/0x1a9c [ 216.489501][ T6678] get_tree_bdev+0x35c/0x54c [ 216.490429][ T6678] gfs2_get_tree+0x58/0x1b8 [ 216.491325][ T6678] vfs_get_tree+0x90/0x278 [ 216.492222][ T6678] do_new_mount+0x228/0x818 [ 216.493143][ T6678] path_mount+0x57c/0xfe8 [ 216.494018][ T6678] __arm64_sys_mount+0x488/0x5f8 [ 216.494959][ T6678] invoke_syscall+0x98/0x28c [ 216.495809][ T6678] el0_svc_common+0x13c/0x258 [ 216.496704][ T6678] do_el0_svc+0x5c/0x140 [ 216.497547][ T6678] el0_svc+0x78/0x1d4 [ 216.498315][ T6678] el0t_64_sync_handler+0xcc/0xe4 [ 216.499292][ T6678] el0t_64_sync+0x1a0/0x1a4 [ 216.501187][ T6678] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.503898][ T6678] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.640278][ T6681] loop1: detected capacity change from 0 to 32768 [ 216.674562][ T6681] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.675983][ T6681] CPU: 0 PID: 6681 Comm: syz.1.599 Not tainted syzkaller #0 [ 216.677262][ T6681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.679047][ T6681] Call trace: [ 216.679689][ T6681] dump_backtrace+0x0/0x458 [ 216.680508][ T6681] show_stack+0x2c/0x3c [ 216.681299][ T6681] __dump_stack+0x30/0x40 [ 216.682146][ T6681] dump_stack_lvl+0xf4/0x15c [ 216.683014][ T6681] dump_stack+0x1c/0x5c [ 216.683835][ T6681] sysfs_create_dir_ns+0x244/0x264 [ 216.684783][ T6681] kobject_add_internal+0x594/0xc2c [ 216.685805][ T6681] kobject_init_and_add+0x128/0x194 [ 216.686816][ T6681] gfs2_sys_fs_add+0x208/0x428 [ 216.687735][ T6681] gfs2_fill_super+0xe20/0x1a9c [ 216.688699][ T6681] get_tree_bdev+0x35c/0x54c [ 216.689539][ T6681] gfs2_get_tree+0x58/0x1b8 [ 216.690383][ T6681] vfs_get_tree+0x90/0x278 [ 216.691243][ T6681] do_new_mount+0x228/0x818 [ 216.692104][ T6681] path_mount+0x57c/0xfe8 [ 216.692913][ T6681] __arm64_sys_mount+0x488/0x5f8 [ 216.693907][ T6681] invoke_syscall+0x98/0x28c [ 216.694707][ T6681] el0_svc_common+0x13c/0x258 [ 216.695637][ T6681] do_el0_svc+0x5c/0x140 [ 216.696479][ T6681] el0_svc+0x78/0x1d4 [ 216.697264][ T6681] el0t_64_sync_handler+0xcc/0xe4 [ 216.698276][ T6681] el0t_64_sync+0x1a0/0x1a4 [ 216.700850][ T6681] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.703507][ T6681] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 216.846088][ T6684] loop1: detected capacity change from 0 to 32768 [ 216.879175][ T6684] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 216.880556][ T6684] CPU: 0 PID: 6684 Comm: syz.1.600 Not tainted syzkaller #0 [ 216.881885][ T6684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.883786][ T6684] Call trace: [ 216.884398][ T6684] dump_backtrace+0x0/0x458 [ 216.885253][ T6684] show_stack+0x2c/0x3c [ 216.886030][ T6684] __dump_stack+0x30/0x40 [ 216.886872][ T6684] dump_stack_lvl+0xf4/0x15c [ 216.887794][ T6684] dump_stack+0x1c/0x5c [ 216.888590][ T6684] sysfs_create_dir_ns+0x244/0x264 [ 216.889584][ T6684] kobject_add_internal+0x594/0xc2c [ 216.890612][ T6684] kobject_init_and_add+0x128/0x194 [ 216.891632][ T6684] gfs2_sys_fs_add+0x208/0x428 [ 216.892556][ T6684] gfs2_fill_super+0xe20/0x1a9c [ 216.893521][ T6684] get_tree_bdev+0x35c/0x54c [ 216.894351][ T6684] gfs2_get_tree+0x58/0x1b8 [ 216.895178][ T6684] vfs_get_tree+0x90/0x278 [ 216.895972][ T6684] do_new_mount+0x228/0x818 [ 216.896819][ T6684] path_mount+0x57c/0xfe8 [ 216.897625][ T6684] __arm64_sys_mount+0x488/0x5f8 [ 216.898573][ T6684] invoke_syscall+0x98/0x28c [ 216.899457][ T6684] el0_svc_common+0x13c/0x258 [ 216.900334][ T6684] do_el0_svc+0x5c/0x140 [ 216.901202][ T6684] el0_svc+0x78/0x1d4 [ 216.901937][ T6684] el0t_64_sync_handler+0xcc/0xe4 [ 216.902919][ T6684] el0t_64_sync+0x1a0/0x1a4 [ 216.905397][ T6684] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.907634][ T6684] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.043157][ T6687] loop1: detected capacity change from 0 to 32768 [ 217.094002][ T6687] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.095322][ T6687] CPU: 0 PID: 6687 Comm: syz.1.601 Not tainted syzkaller #0 [ 217.096758][ T6687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 217.098512][ T6687] Call trace: [ 217.099072][ T6687] dump_backtrace+0x0/0x458 [ 217.099853][ T6687] show_stack+0x2c/0x3c [ 217.100520][ T6687] __dump_stack+0x30/0x40 [ 217.101232][ T6687] dump_stack_lvl+0xf4/0x15c [ 217.102056][ T6687] dump_stack+0x1c/0x5c [ 217.102879][ T6687] sysfs_create_dir_ns+0x244/0x264 [ 217.103854][ T6687] kobject_add_internal+0x594/0xc2c [ 217.104908][ T6687] kobject_init_and_add+0x128/0x194 [ 217.105759][ T6687] gfs2_sys_fs_add+0x208/0x428 [ 217.106639][ T6687] gfs2_fill_super+0xe20/0x1a9c [ 217.107584][ T6687] get_tree_bdev+0x35c/0x54c [ 217.108480][ T6687] gfs2_get_tree+0x58/0x1b8 [ 217.109313][ T6687] vfs_get_tree+0x90/0x278 [ 217.110182][ T6687] do_new_mount+0x228/0x818 [ 217.111055][ T6687] path_mount+0x57c/0xfe8 [ 217.111902][ T6687] __arm64_sys_mount+0x488/0x5f8 [ 217.112903][ T6687] invoke_syscall+0x98/0x28c [ 217.113852][ T6687] el0_svc_common+0x13c/0x258 [ 217.114750][ T6687] do_el0_svc+0x5c/0x140 [ 217.115593][ T6687] el0_svc+0x78/0x1d4 [ 217.116372][ T6687] el0t_64_sync_handler+0xcc/0xe4 [ 217.117319][ T6687] el0t_64_sync+0x1a0/0x1a4 [ 217.120146][ T6687] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.122446][ T6687] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.264760][ T6690] loop1: detected capacity change from 0 to 32768 [ 217.301668][ T6690] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.303126][ T6690] CPU: 0 PID: 6690 Comm: syz.1.602 Not tainted syzkaller #0 [ 217.304661][ T6690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 217.306762][ T6690] Call trace: [ 217.307354][ T6690] dump_backtrace+0x0/0x458 [ 217.308279][ T6690] show_stack+0x2c/0x3c [ 217.309157][ T6690] __dump_stack+0x30/0x40 [ 217.310068][ T6690] dump_stack_lvl+0xf4/0x15c [ 217.311006][ T6690] dump_stack+0x1c/0x5c [ 217.311845][ T6690] sysfs_create_dir_ns+0x244/0x264 [ 217.312782][ T6690] kobject_add_internal+0x594/0xc2c [ 217.313802][ T6690] kobject_init_and_add+0x128/0x194 [ 217.314761][ T6690] gfs2_sys_fs_add+0x208/0x428 [ 217.315681][ T6690] gfs2_fill_super+0xe20/0x1a9c [ 217.316579][ T6690] get_tree_bdev+0x35c/0x54c [ 217.317474][ T6690] gfs2_get_tree+0x58/0x1b8 [ 217.318348][ T6690] vfs_get_tree+0x90/0x278 [ 217.319207][ T6690] do_new_mount+0x228/0x818 [ 217.320098][ T6690] path_mount+0x57c/0xfe8 [ 217.320995][ T6690] __arm64_sys_mount+0x488/0x5f8 [ 217.321978][ T6690] invoke_syscall+0x98/0x28c [ 217.322878][ T6690] el0_svc_common+0x13c/0x258 [ 217.323885][ T6690] do_el0_svc+0x5c/0x140 [ 217.324823][ T6690] el0_svc+0x78/0x1d4 [ 217.325677][ T6690] el0t_64_sync_handler+0xcc/0xe4 [ 217.326653][ T6690] el0t_64_sync+0x1a0/0x1a4 [ 217.328753][ T6690] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.331241][ T6690] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.464528][ T6693] loop1: detected capacity change from 0 to 32768 [ 217.548342][ T6693] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.549757][ T6693] CPU: 0 PID: 6693 Comm: syz.1.603 Not tainted syzkaller #0 [ 217.551246][ T6693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 217.553060][ T6693] Call trace: [ 217.553670][ T6693] dump_backtrace+0x0/0x458 [ 217.554607][ T6693] show_stack+0x2c/0x3c [ 217.555397][ T6693] __dump_stack+0x30/0x40 [ 217.556272][ T6693] dump_stack_lvl+0xf4/0x15c [ 217.557169][ T6693] dump_stack+0x1c/0x5c [ 217.558034][ T6693] sysfs_create_dir_ns+0x244/0x264 [ 217.559133][ T6693] kobject_add_internal+0x594/0xc2c [ 217.560278][ T6693] kobject_init_and_add+0x128/0x194 [ 217.561317][ T6693] gfs2_sys_fs_add+0x208/0x428 [ 217.562389][ T6693] gfs2_fill_super+0xe20/0x1a9c [ 217.563510][ T6693] get_tree_bdev+0x35c/0x54c [ 217.564525][ T6693] gfs2_get_tree+0x58/0x1b8 [ 217.565586][ T6693] vfs_get_tree+0x90/0x278 [ 217.566461][ T6693] do_new_mount+0x228/0x818 [ 217.567409][ T6693] path_mount+0x57c/0xfe8 [ 217.568294][ T6693] __arm64_sys_mount+0x488/0x5f8 [ 217.569288][ T6693] invoke_syscall+0x98/0x28c [ 217.570167][ T6693] el0_svc_common+0x13c/0x258 [ 217.571112][ T6693] do_el0_svc+0x5c/0x140 [ 217.572066][ T6693] el0_svc+0x78/0x1d4 [ 217.572921][ T6693] el0t_64_sync_handler+0xcc/0xe4 [ 217.574032][ T6693] el0t_64_sync+0x1a0/0x1a4 [ 217.575504][ T6693] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.577902][ T6693] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.722176][ T6696] loop1: detected capacity change from 0 to 32768 [ 217.784073][ T6696] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.785945][ T6696] CPU: 0 PID: 6696 Comm: syz.1.604 Not tainted syzkaller #0 [ 217.787452][ T6696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 217.789417][ T6696] Call trace: [ 217.789976][ T6696] dump_backtrace+0x0/0x458 [ 217.790807][ T6696] show_stack+0x2c/0x3c [ 217.791566][ T6696] __dump_stack+0x30/0x40 [ 217.792361][ T6696] dump_stack_lvl+0xf4/0x15c [ 217.793144][ T6696] dump_stack+0x1c/0x5c [ 217.793878][ T6696] sysfs_create_dir_ns+0x244/0x264 [ 217.794900][ T6696] kobject_add_internal+0x594/0xc2c [ 217.795902][ T6696] kobject_init_and_add+0x128/0x194 [ 217.796957][ T6696] gfs2_sys_fs_add+0x208/0x428 [ 217.797904][ T6696] gfs2_fill_super+0xe20/0x1a9c [ 217.798906][ T6696] get_tree_bdev+0x35c/0x54c [ 217.799806][ T6696] gfs2_get_tree+0x58/0x1b8 [ 217.800677][ T6696] vfs_get_tree+0x90/0x278 [ 217.801442][ T6696] do_new_mount+0x228/0x818 [ 217.802310][ T6696] path_mount+0x57c/0xfe8 [ 217.803073][ T6696] __arm64_sys_mount+0x488/0x5f8 [ 217.804041][ T6696] invoke_syscall+0x98/0x28c [ 217.804929][ T6696] el0_svc_common+0x13c/0x258 [ 217.805775][ T6696] do_el0_svc+0x5c/0x140 [ 217.806567][ T6696] el0_svc+0x78/0x1d4 [ 217.807338][ T6696] el0t_64_sync_handler+0xcc/0xe4 [ 217.808265][ T6696] el0t_64_sync+0x1a0/0x1a4 [ 217.811118][ T6696] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.813444][ T6696] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 217.984619][ T6699] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 217.985999][ T6699] CPU: 1 PID: 6699 Comm: syz.1.605 Not tainted syzkaller #0 [ 217.987407][ T6699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 217.989504][ T6699] Call trace: [ 217.990143][ T6699] dump_backtrace+0x0/0x458 [ 217.990938][ T6699] show_stack+0x2c/0x3c [ 217.991707][ T6699] __dump_stack+0x30/0x40 [ 217.992518][ T6699] dump_stack_lvl+0xf4/0x15c [ 217.993386][ T6699] dump_stack+0x1c/0x5c [ 217.994145][ T6699] sysfs_create_dir_ns+0x244/0x264 [ 217.995145][ T6699] kobject_add_internal+0x594/0xc2c [ 217.996105][ T6699] kobject_init_and_add+0x128/0x194 [ 217.997108][ T6699] gfs2_sys_fs_add+0x208/0x428 [ 217.997950][ T6699] gfs2_fill_super+0xe20/0x1a9c [ 217.998871][ T6699] get_tree_bdev+0x35c/0x54c [ 217.999786][ T6699] gfs2_get_tree+0x58/0x1b8 [ 218.000634][ T6699] vfs_get_tree+0x90/0x278 [ 218.001482][ T6699] do_new_mount+0x228/0x818 [ 218.002358][ T6699] path_mount+0x57c/0xfe8 [ 218.003169][ T6699] __arm64_sys_mount+0x488/0x5f8 [ 218.004125][ T6699] invoke_syscall+0x98/0x28c [ 218.005000][ T6699] el0_svc_common+0x13c/0x258 [ 218.005890][ T6699] do_el0_svc+0x5c/0x140 [ 218.006715][ T6699] el0_svc+0x78/0x1d4 [ 218.007492][ T6699] el0t_64_sync_handler+0xcc/0xe4 [ 218.008458][ T6699] el0t_64_sync+0x1a0/0x1a4 [ 218.010648][ T6699] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.012935][ T6699] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.158588][ T6702] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.160067][ T6702] CPU: 0 PID: 6702 Comm: syz.1.606 Not tainted syzkaller #0 [ 218.161385][ T6702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 218.163342][ T6702] Call trace: [ 218.164083][ T6702] dump_backtrace+0x0/0x458 [ 218.164979][ T6702] show_stack+0x2c/0x3c [ 218.165770][ T6702] __dump_stack+0x30/0x40 [ 218.166604][ T6702] dump_stack_lvl+0xf4/0x15c [ 218.167504][ T6702] dump_stack+0x1c/0x5c [ 218.168369][ T6702] sysfs_create_dir_ns+0x244/0x264 [ 218.169344][ T6702] kobject_add_internal+0x594/0xc2c [ 218.170359][ T6702] kobject_init_and_add+0x128/0x194 [ 218.171476][ T6702] gfs2_sys_fs_add+0x208/0x428 [ 218.172506][ T6702] gfs2_fill_super+0xe20/0x1a9c [ 218.173547][ T6702] get_tree_bdev+0x35c/0x54c [ 218.174533][ T6702] gfs2_get_tree+0x58/0x1b8 [ 218.175539][ T6702] vfs_get_tree+0x90/0x278 [ 218.176528][ T6702] do_new_mount+0x228/0x818 [ 218.177465][ T6702] path_mount+0x57c/0xfe8 [ 218.178412][ T6702] __arm64_sys_mount+0x488/0x5f8 [ 218.179437][ T6702] invoke_syscall+0x98/0x28c [ 218.180436][ T6702] el0_svc_common+0x13c/0x258 [ 218.181497][ T6702] do_el0_svc+0x5c/0x140 [ 218.182465][ T6702] el0_svc+0x78/0x1d4 [ 218.183269][ T6702] el0t_64_sync_handler+0xcc/0xe4 [ 218.184379][ T6702] el0t_64_sync+0x1a0/0x1a4 [ 218.186964][ T6702] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.189160][ T6702] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.354020][ T6705] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.356233][ T6705] CPU: 1 PID: 6705 Comm: syz.1.607 Not tainted syzkaller #0 [ 218.357812][ T6705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 218.360001][ T6705] Call trace: [ 218.360647][ T6705] dump_backtrace+0x0/0x458 [ 218.361482][ T6705] show_stack+0x2c/0x3c [ 218.362212][ T6705] __dump_stack+0x30/0x40 [ 218.363054][ T6705] dump_stack_lvl+0xf4/0x15c [ 218.364031][ T6705] dump_stack+0x1c/0x5c [ 218.365026][ T6705] sysfs_create_dir_ns+0x244/0x264 [ 218.366159][ T6705] kobject_add_internal+0x594/0xc2c [ 218.367280][ T6705] kobject_init_and_add+0x128/0x194 [ 218.368366][ T6705] gfs2_sys_fs_add+0x208/0x428 [ 218.369319][ T6705] gfs2_fill_super+0xe20/0x1a9c [ 218.370266][ T6705] get_tree_bdev+0x35c/0x54c [ 218.371190][ T6705] gfs2_get_tree+0x58/0x1b8 [ 218.372137][ T6705] vfs_get_tree+0x90/0x278 [ 218.372994][ T6705] do_new_mount+0x228/0x818 [ 218.373880][ T6705] path_mount+0x57c/0xfe8 [ 218.374670][ T6705] __arm64_sys_mount+0x488/0x5f8 [ 218.375590][ T6705] invoke_syscall+0x98/0x28c [ 218.376486][ T6705] el0_svc_common+0x13c/0x258 [ 218.377400][ T6705] do_el0_svc+0x5c/0x140 [ 218.378233][ T6705] el0_svc+0x78/0x1d4 [ 218.379009][ T6705] el0t_64_sync_handler+0xcc/0xe4 [ 218.379992][ T6705] el0t_64_sync+0x1a0/0x1a4 [ 218.380964][ T6705] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.383295][ T6705] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.629076][ T6708] sysfs: cannot create duplicate filename '/fs/gfs2/(œ[{{{+' [ 218.630436][ T6708] CPU: 0 PID: 6708 Comm: syz.1.608 Not tainted syzkaller #0 [ 218.631848][ T6708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 218.633680][ T6708] Call trace: [ 218.634385][ T6708] dump_backtrace+0x0/0x458 [ 218.635378][ T6708] show_stack+0x2c/0x3c [ 218.636318][ T6708] __dump_stack+0x30/0x40 [ 218.637338][ T6708] dump_stack_lvl+0xf4/0x15c [ 218.638295][ T6708] dump_stack+0x1c/0x5c [ 218.639171][ T6708] sysfs_create_dir_ns+0x244/0x264 [ 218.640278][ T6708] kobject_add_internal+0x594/0xc2c [ 218.641399][ T6708] kobject_init_and_add+0x128/0x194 [ 218.642531][ T6708] gfs2_sys_fs_add+0x208/0x428 [ 218.643496][ T6708] gfs2_fill_super+0xe20/0x1a9c [ 218.644476][ T6708] get_tree_bdev+0x35c/0x54c [ 218.645441][ T6708] gfs2_get_tree+0x58/0x1b8 [ 218.646467][ T6708] vfs_get_tree+0x90/0x278 [ 218.647439][ T6708] do_new_mount+0x228/0x818 [ 218.648310][ T6708] path_mount+0x57c/0xfe8 [ 218.649171][ T6708] __arm64_sys_mount+0x488/0x5f8 [ 218.650220][ T6708] invoke_syscall+0x98/0x28c [ 218.651184][ T6708] el0_svc_common+0x13c/0x258 [ 218.652081][ T6708] do_el0_svc+0x5c/0x140 [ 218.652956][ T6708] el0_svc+0x78/0x1d4 [ 218.653774][ T6708] el0t_64_sync_handler+0xcc/0xe4 [ 218.654798][ T6708] el0t_64_sync+0x1a0/0x1a4 [ 218.657440][ T6708] kobject_add_internal failed for (œ[{{{+ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.659849][ T6708] gfs2: fsid=(œ[{{{+: error -17 adding sysfs files [ 218.723528][ T27] INFO: task syz-executor:4730 blocked for more than 143 seconds. [ 218.725209][ T27] Not tainted syzkaller #0 [ 218.726278][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 218.728051][ T27] task:syz-executor state:D stack: 0 pid: 4730 ppid: 1 flags:0x00000001 [ 218.729871][ T27] Call trace: [ 218.730508][ T27] __switch_to+0x2f4/0x540 [ 218.731405][ T27] __schedule+0xe20/0x1c6c [ 218.732270][ T27] schedule+0x11c/0x1c8 [ 218.733027][ T27] bit_wait+0x1c/0xac [ 218.740304][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 218.741336][ T27] gfs2_glock_nq+0x8dc/0x13d0 [ 218.742182][ T27] __gfs2_lookup+0x120/0x28c [ 218.743064][ T27] gfs2_lookup+0x2c/0x3c [ 218.748424][ T27] __lookup_slow+0x25c/0x39c [ 218.749314][ T27] lookup_slow+0x60/0x84 [ 218.750045][ T27] walk_component+0x2b8/0x3b8 [ 218.750901][ T27] path_lookupat+0x168/0x3f0 [ 218.751711][ T27] filename_lookup+0x1c8/0x478 [ 218.752551][ T27] user_path_at_empty+0x5c/0x1a0 [ 218.754845][ T27] __arm64_sys_umount+0xf8/0x184 [ 218.755890][ T27] invoke_syscall+0x98/0x28c [ 218.756853][ T27] el0_svc_common+0x13c/0x258 [ 218.757835][ T27] do_el0_svc+0x5c/0x140 [ 218.758603][ T27] el0_svc+0x78/0x1d4 [ 218.759383][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 218.760232][ T27] el0t_64_sync+0x1a0/0x1a4 [ 218.761122][ T27] [ 218.761122][ T27] Showing all locks held in the system: [ 218.762527][ T27] 1 lock held by khungtaskd/27: [ 218.763656][ T27] #0: ffff8000145a1520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 218.765600][ T27] 2 locks held by getty/3801: [ 218.766537][ T27] #0: ffff0000d4700098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 218.768437][ T27] #1: ffff80001bf6e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf90 [ 218.770469][ T27] 1 lock held by syz-executor/4730: [ 218.771498][ T27] #0: ffff0000ed4352b0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 218.774790][ T27] 2 locks held by syz.1.609/6711: [ 218.775843][ T27] [ 218.776313][ T27] ============================================= [ 218.776313][ T27] [ 218.777831][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 218.779160][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 218.780493][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 218.782309][ T27] Call trace: [ 218.782872][ T27] dump_backtrace+0x0/0x458 [ 218.783767][ T27] show_stack+0x2c/0x3c [ 218.784696][ T27] __dump_stack+0x30/0x40 [ 218.785517][ T27] dump_stack_lvl+0xf4/0x15c [ 218.786418][ T27] dump_stack+0x1c/0x5c [ 218.787225][ T27] panic+0x2fc/0x860 [ 218.787994][ T27] hung_task_panic+0x0/0x2c [ 218.788811][ T27] kthread+0x37c/0x460 [ 218.789575][ T27] ret_from_fork+0x10/0x20 [ 218.790471][ T27] SMP: stopping secondary CPUs [ 218.791394][ T27] Kernel Offset: disabled [ 218.792213][ T27] CPU features: 0x5,000003c1,7d33ffd9 [ 218.793296][ T27] Memory Limit: none [ 219.141335][ T27] Rebooting in 86400 seconds..