T5454]  sysfs_create_dir_ns+0x26a/0x290
[  239.425517][ T5454]  ? sysfs_warn_dup+0xa0/0xa0
[  239.430244][ T5454]  ? do_raw_spin_unlock+0x11d/0x230
[  239.435498][ T5454]  kobject_add_internal+0x6e0/0xd90
[  239.440770][ T5454]  kobject_init_and_add+0x128/0x190
[  239.446274][ T5454]  ? lockdep_softirqs_off+0x430/0x430
[  239.451706][ T5454]  ? kobject_add+0x230/0x230
[  239.456359][ T5454]  ? __init_swait_queue_head+0xa5/0x150
[  239.461958][ T5454]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.466758][ T5454]  ? gfs2_recover_set+0x240/0x240
[  239.471821][ T5454]  ? snprintf+0xe5/0x140
[  239.476112][ T5454]  ? __free_pages+0x95/0x1a0
[  239.480746][ T5454]  ? vscnprintf+0x80/0x80
[  239.485116][ T5454]  gfs2_fill_super+0x120f/0x1f00
[  239.490110][ T5454]  ? gfs2_reconfigure+0xd30/0xd30
[  239.495212][ T5454]  ? sb_set_blocksize+0xa5/0xe0
[  239.500103][ T5454]  get_tree_bdev+0x3f1/0x610
[  239.504785][ T5454]  ? gfs2_reconfigure+0xd30/0xd30
[  239.509848][ T5454]  gfs2_get_tree+0x4d/0x1e0
[  239.514387][ T5454]  vfs_get_tree+0x88/0x270
[  239.518841][ T5454]  do_new_mount+0x24a/0xa40
[  239.523396][ T5454]  __se_sys_mount+0x2e3/0x3d0
[  239.528122][ T5454]  ? __x64_sys_mount+0xc0/0xc0
[  239.532928][ T5454]  ? lockdep_hardirqs_on+0x94/0x140
[  239.538182][ T5454]  ? __x64_sys_mount+0x1c/0xc0
[  239.542979][ T5454]  do_syscall_64+0x4c/0xa0
[  239.547433][ T5454]  ? clear_bhb_loop+0x30/0x80
[  239.552136][ T5454]  ? clear_bhb_loop+0x30/0x80
[  239.556854][ T5454]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.562864][ T5454] RIP: 0033:0x7f87f4c68f4a
[  239.567336][ T5454] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.586982][ T5454] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.595435][ T5454] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  239.603464][ T5454] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  239.611468][ T5454] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  239.619485][ T5454] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  239.627490][ T5454] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  239.635510][ T5454]  </TASK>
[  239.648510][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.664119][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.923443][ T5456] loop1: detected capacity change from 0 to 32768
[  239.974881][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.982337][ T5456] CPU: 1 PID: 5456 Comm: syz.1.177 Not tainted syzkaller #0
[  239.989658][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  239.999751][ T5456] Call Trace:
[  240.003057][ T5456]  <TASK>
[  240.006044][ T5456]  dump_stack_lvl+0x188/0x250
[  240.010765][ T5456]  ? show_regs_print_info+0x20/0x20
[  240.016221][ T5456]  ? load_image+0x400/0x400
[  240.020775][ T5456]  sysfs_create_dir_ns+0x26a/0x290
[  240.025929][ T5456]  ? sysfs_warn_dup+0xa0/0xa0
[  240.030639][ T5456]  ? do_raw_spin_unlock+0x11d/0x230
[  240.035879][ T5456]  kobject_add_internal+0x6e0/0xd90
[  240.041127][ T5456]  kobject_init_and_add+0x128/0x190
[  240.046362][ T5456]  ? lockdep_softirqs_off+0x430/0x430
[  240.051783][ T5456]  ? kobject_add+0x230/0x230
[  240.056416][ T5456]  ? __init_swait_queue_head+0xa5/0x150
[  240.061997][ T5456]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.066801][ T5456]  ? gfs2_recover_set+0x240/0x240
[  240.071865][ T5456]  ? snprintf+0xe5/0x140
[  240.076144][ T5456]  ? __free_pages+0x95/0x1a0
[  240.080776][ T5456]  ? vscnprintf+0x80/0x80
[  240.085153][ T5456]  gfs2_fill_super+0x120f/0x1f00
[  240.090193][ T5456]  ? gfs2_reconfigure+0xd30/0xd30
[  240.095389][ T5456]  ? sb_set_blocksize+0xa5/0xe0
[  240.100338][ T5456]  get_tree_bdev+0x3f1/0x610
[  240.105018][ T5456]  ? gfs2_reconfigure+0xd30/0xd30
[  240.110090][ T5456]  gfs2_get_tree+0x4d/0x1e0
[  240.114632][ T5456]  vfs_get_tree+0x88/0x270
[  240.119081][ T5456]  do_new_mount+0x24a/0xa40
[  240.123637][ T5456]  __se_sys_mount+0x2e3/0x3d0
[  240.128353][ T5456]  ? __x64_sys_mount+0xc0/0xc0
[  240.133242][ T5456]  ? lockdep_hardirqs_on+0x94/0x140
[  240.138493][ T5456]  ? __x64_sys_mount+0x1c/0xc0
[  240.143303][ T5456]  do_syscall_64+0x4c/0xa0
[  240.147757][ T5456]  ? clear_bhb_loop+0x30/0x80
[  240.152464][ T5456]  ? clear_bhb_loop+0x30/0x80
[  240.157181][ T5456]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.163112][ T5456] RIP: 0033:0x7f87f4c68f4a
[  240.167569][ T5456] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.187207][ T5456] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.195667][ T5456] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  240.203763][ T5456] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  240.211769][ T5456] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  240.219781][ T5456] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  240.227908][ T5456] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  240.235933][ T5456]  </TASK>
[  240.239953][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.253292][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.516562][ T5458] loop1: detected capacity change from 0 to 32768
[  240.583989][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.591540][ T5458] CPU: 0 PID: 5458 Comm: syz.1.178 Not tainted syzkaller #0
[  240.598867][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  240.608955][ T5458] Call Trace:
[  240.612256][ T5458]  <TASK>
[  240.615213][ T5458]  dump_stack_lvl+0x188/0x250
[  240.619930][ T5458]  ? show_regs_print_info+0x20/0x20
[  240.625165][ T5458]  ? load_image+0x400/0x400
[  240.629717][ T5458]  sysfs_create_dir_ns+0x26a/0x290
[  240.634868][ T5458]  ? sysfs_warn_dup+0xa0/0xa0
[  240.639587][ T5458]  ? do_raw_spin_unlock+0x11d/0x230
[  240.644825][ T5458]  kobject_add_internal+0x6e0/0xd90
[  240.650068][ T5458]  kobject_init_and_add+0x128/0x190
[  240.655400][ T5458]  ? lockdep_softirqs_off+0x430/0x430
[  240.660821][ T5458]  ? kobject_add+0x230/0x230
[  240.665448][ T5458]  ? __init_swait_queue_head+0xa5/0x150
[  240.671035][ T5458]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.675843][ T5458]  ? gfs2_recover_set+0x240/0x240
[  240.680907][ T5458]  ? snprintf+0xe5/0x140
[  240.685174][ T5458]  ? __free_pages+0x95/0x1a0
[  240.689813][ T5458]  ? vscnprintf+0x80/0x80
[  240.694447][ T5458]  gfs2_fill_super+0x120f/0x1f00
[  240.699438][ T5458]  ? gfs2_reconfigure+0xd30/0xd30
[  240.704515][ T5458]  ? sb_set_blocksize+0xa5/0xe0
[  240.709394][ T5458]  get_tree_bdev+0x3f1/0x610
[  240.714026][ T5458]  ? gfs2_reconfigure+0xd30/0xd30
[  240.719179][ T5458]  gfs2_get_tree+0x4d/0x1e0
[  240.723820][ T5458]  vfs_get_tree+0x88/0x270
[  240.728268][ T5458]  do_new_mount+0x24a/0xa40
[  240.732815][ T5458]  __se_sys_mount+0x2e3/0x3d0
[  240.737539][ T5458]  ? __x64_sys_mount+0xc0/0xc0
[  240.742350][ T5458]  ? lockdep_hardirqs_on+0x94/0x140
[  240.747588][ T5458]  ? __x64_sys_mount+0x1c/0xc0
[  240.752406][ T5458]  do_syscall_64+0x4c/0xa0
[  240.756856][ T5458]  ? clear_bhb_loop+0x30/0x80
[  240.761576][ T5458]  ? clear_bhb_loop+0x30/0x80
[  240.766286][ T5458]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.772209][ T5458] RIP: 0033:0x7f87f4c68f4a
[  240.776652][ T5458] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.796281][ T5458] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.804738][ T5458] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  240.812749][ T5458] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  240.820754][ T5458] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  240.828757][ T5458] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  240.836764][ T5458] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  240.844775][ T5458]  </TASK>
[  240.853499][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.866869][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:49:59 executed programs: 164
[  241.220150][ T5460] loop1: detected capacity change from 0 to 32768
[  241.281013][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.289973][ T5460] CPU: 1 PID: 5460 Comm: syz.1.179 Not tainted syzkaller #0
[  241.297321][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  241.307422][ T5460] Call Trace:
[  241.310759][ T5460]  <TASK>
[  241.313734][ T5460]  dump_stack_lvl+0x188/0x250
[  241.318461][ T5460]  ? show_regs_print_info+0x20/0x20
[  241.323700][ T5460]  ? load_image+0x400/0x400
[  241.328256][ T5460]  sysfs_create_dir_ns+0x26a/0x290
[  241.333407][ T5460]  ? sysfs_warn_dup+0xa0/0xa0
[  241.338124][ T5460]  ? do_raw_spin_unlock+0x11d/0x230
[  241.343464][ T5460]  kobject_add_internal+0x6e0/0xd90
[  241.348719][ T5460]  kobject_init_and_add+0x128/0x190
[  241.353965][ T5460]  ? lockdep_softirqs_off+0x430/0x430
[  241.359384][ T5460]  ? kobject_add+0x230/0x230
[  241.364056][ T5460]  ? __init_swait_queue_head+0xa5/0x150
[  241.369656][ T5460]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.374467][ T5460]  ? gfs2_recover_set+0x240/0x240
[  241.379529][ T5460]  ? snprintf+0xe5/0x140
[  241.383814][ T5460]  ? __free_pages+0x95/0x1a0
[  241.388445][ T5460]  ? vscnprintf+0x80/0x80
[  241.392815][ T5460]  gfs2_fill_super+0x120f/0x1f00
[  241.397796][ T5460]  ? gfs2_reconfigure+0xd30/0xd30
[  241.402893][ T5460]  ? sb_set_blocksize+0xa5/0xe0
[  241.407787][ T5460]  get_tree_bdev+0x3f1/0x610
[  241.412421][ T5460]  ? gfs2_reconfigure+0xd30/0xd30
[  241.417494][ T5460]  gfs2_get_tree+0x4d/0x1e0
[  241.422039][ T5460]  vfs_get_tree+0x88/0x270
[  241.426519][ T5460]  do_new_mount+0x24a/0xa40
[  241.431075][ T5460]  __se_sys_mount+0x2e3/0x3d0
[  241.435795][ T5460]  ? __x64_sys_mount+0xc0/0xc0
[  241.440710][ T5460]  ? lockdep_hardirqs_on+0x94/0x140
[  241.445955][ T5460]  ? __x64_sys_mount+0x1c/0xc0
[  241.450762][ T5460]  do_syscall_64+0x4c/0xa0
[  241.455212][ T5460]  ? clear_bhb_loop+0x30/0x80
[  241.459924][ T5460]  ? clear_bhb_loop+0x30/0x80
[  241.464636][ T5460]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.470597][ T5460] RIP: 0033:0x7f87f4c68f4a
[  241.475045][ T5460] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.494684][ T5460] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.503168][ T5460] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  241.511248][ T5460] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  241.519295][ T5460] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  241.527306][ T5460] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  241.535312][ T5460] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  241.543322][ T5460]  </TASK>
[  241.547279][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.560518][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.933416][ T5462] loop1: detected capacity change from 0 to 32768
[  241.975638][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.983086][ T5462] CPU: 0 PID: 5462 Comm: syz.1.180 Not tainted syzkaller #0
[  241.990401][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  242.000486][ T5462] Call Trace:
[  242.003884][ T5462]  <TASK>
[  242.006844][ T5462]  dump_stack_lvl+0x188/0x250
[  242.011568][ T5462]  ? show_regs_print_info+0x20/0x20
[  242.016806][ T5462]  ? load_image+0x400/0x400
[  242.021377][ T5462]  sysfs_create_dir_ns+0x26a/0x290
[  242.026559][ T5462]  ? sysfs_warn_dup+0xa0/0xa0
[  242.031274][ T5462]  ? do_raw_spin_unlock+0x11d/0x230
[  242.036515][ T5462]  kobject_add_internal+0x6e0/0xd90
[  242.041761][ T5462]  kobject_init_and_add+0x128/0x190
[  242.047000][ T5462]  ? lockdep_softirqs_off+0x430/0x430
[  242.052425][ T5462]  ? kobject_add+0x230/0x230
[  242.057071][ T5462]  ? __init_swait_queue_head+0xa5/0x150
[  242.062669][ T5462]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.067470][ T5462]  ? gfs2_recover_set+0x240/0x240
[  242.072537][ T5462]  ? snprintf+0xe5/0x140
[  242.076816][ T5462]  ? __free_pages+0x95/0x1a0
[  242.081446][ T5462]  ? vscnprintf+0x80/0x80
[  242.085830][ T5462]  gfs2_fill_super+0x120f/0x1f00
[  242.090836][ T5462]  ? gfs2_reconfigure+0xd30/0xd30
[  242.095935][ T5462]  ? sb_set_blocksize+0xa5/0xe0
[  242.100837][ T5462]  get_tree_bdev+0x3f1/0x610
[  242.105465][ T5462]  ? gfs2_reconfigure+0xd30/0xd30
[  242.110520][ T5462]  gfs2_get_tree+0x4d/0x1e0
[  242.115058][ T5462]  vfs_get_tree+0x88/0x270
[  242.119514][ T5462]  do_new_mount+0x24a/0xa40
[  242.124054][ T5462]  __se_sys_mount+0x2e3/0x3d0
[  242.128770][ T5462]  ? __x64_sys_mount+0xc0/0xc0
[  242.133572][ T5462]  ? lockdep_hardirqs_on+0x94/0x140
[  242.138806][ T5462]  ? __x64_sys_mount+0x1c/0xc0
[  242.143606][ T5462]  do_syscall_64+0x4c/0xa0
[  242.148068][ T5462]  ? clear_bhb_loop+0x30/0x80
[  242.152776][ T5462]  ? clear_bhb_loop+0x30/0x80
[  242.157494][ T5462]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.163437][ T5462] RIP: 0033:0x7f87f4c68f4a
[  242.167888][ T5462] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.187530][ T5462] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.196082][ T5462] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  242.204086][ T5462] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  242.212089][ T5462] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  242.220097][ T5462] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  242.228103][ T5462] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  242.236126][ T5462]  </TASK>
[  242.244390][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.258636][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.616098][ T5464] loop1: detected capacity change from 0 to 32768
[  242.679698][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.687957][ T5464] CPU: 0 PID: 5464 Comm: syz.1.181 Not tainted syzkaller #0
[  242.695296][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  242.705395][ T5464] Call Trace:
[  242.708894][ T5464]  <TASK>
[  242.711857][ T5464]  dump_stack_lvl+0x188/0x250
[  242.716577][ T5464]  ? show_regs_print_info+0x20/0x20
[  242.721821][ T5464]  ? load_image+0x400/0x400
[  242.726398][ T5464]  sysfs_create_dir_ns+0x26a/0x290
[  242.731543][ T5464]  ? sysfs_warn_dup+0xa0/0xa0
[  242.736254][ T5464]  ? do_raw_spin_unlock+0x11d/0x230
[  242.741585][ T5464]  kobject_add_internal+0x6e0/0xd90
[  242.746830][ T5464]  kobject_init_and_add+0x128/0x190
[  242.752067][ T5464]  ? lockdep_softirqs_off+0x430/0x430
[  242.757488][ T5464]  ? kobject_add+0x230/0x230
[  242.762114][ T5464]  ? __init_swait_queue_head+0xa5/0x150
[  242.767693][ T5464]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.772525][ T5464]  ? gfs2_recover_set+0x240/0x240
[  242.777581][ T5464]  ? snprintf+0xe5/0x140
[  242.781854][ T5464]  ? __free_pages+0x95/0x1a0
[  242.786488][ T5464]  ? vscnprintf+0x80/0x80
[  242.790856][ T5464]  gfs2_fill_super+0x120f/0x1f00
[  242.795840][ T5464]  ? gfs2_reconfigure+0xd30/0xd30
[  242.800916][ T5464]  ? sb_set_blocksize+0xa5/0xe0
[  242.805800][ T5464]  get_tree_bdev+0x3f1/0x610
[  242.810431][ T5464]  ? gfs2_reconfigure+0xd30/0xd30
[  242.815516][ T5464]  gfs2_get_tree+0x4d/0x1e0
[  242.820068][ T5464]  vfs_get_tree+0x88/0x270
[  242.824521][ T5464]  do_new_mount+0x24a/0xa40
[  242.829069][ T5464]  __se_sys_mount+0x2e3/0x3d0
[  242.833789][ T5464]  ? __x64_sys_mount+0xc0/0xc0
[  242.838589][ T5464]  ? lockdep_hardirqs_on+0x94/0x140
[  242.843817][ T5464]  ? __x64_sys_mount+0x1c/0xc0
[  242.848617][ T5464]  do_syscall_64+0x4c/0xa0
[  242.853062][ T5464]  ? clear_bhb_loop+0x30/0x80
[  242.857774][ T5464]  ? clear_bhb_loop+0x30/0x80
[  242.862487][ T5464]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.868464][ T5464] RIP: 0033:0x7f87f4c68f4a
[  242.872960][ T5464] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.892593][ T5464] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.901053][ T5464] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  242.909102][ T5464] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  242.917132][ T5464] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  242.925166][ T5464] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  242.933271][ T5464] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  242.941296][ T5464]  </TASK>
[  242.950925][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.964208][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.225931][ T5466] loop1: detected capacity change from 0 to 32768
[  243.268851][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.277618][ T5466] CPU: 0 PID: 5466 Comm: syz.1.182 Not tainted syzkaller #0
[  243.284962][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  243.295069][ T5466] Call Trace:
[  243.298375][ T5466]  <TASK>
[  243.301331][ T5466]  dump_stack_lvl+0x188/0x250
[  243.306054][ T5466]  ? show_regs_print_info+0x20/0x20
[  243.311296][ T5466]  ? load_image+0x400/0x400
[  243.315860][ T5466]  sysfs_create_dir_ns+0x26a/0x290
[  243.321060][ T5466]  ? sysfs_warn_dup+0xa0/0xa0
[  243.325787][ T5466]  ? do_raw_spin_unlock+0x11d/0x230
[  243.331031][ T5466]  kobject_add_internal+0x6e0/0xd90
[  243.336275][ T5466]  kobject_init_and_add+0x128/0x190
[  243.341515][ T5466]  ? lockdep_softirqs_off+0x430/0x430
[  243.346935][ T5466]  ? kobject_add+0x230/0x230
[  243.351584][ T5466]  ? __init_swait_queue_head+0xa5/0x150
[  243.357177][ T5466]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.361991][ T5466]  ? gfs2_recover_set+0x240/0x240
[  243.367055][ T5466]  ? snprintf+0xe5/0x140
[  243.371332][ T5466]  ? __free_pages+0x95/0x1a0
[  243.375963][ T5466]  ? vscnprintf+0x80/0x80
[  243.380420][ T5466]  gfs2_fill_super+0x120f/0x1f00
[  243.385404][ T5466]  ? gfs2_reconfigure+0xd30/0xd30
[  243.390482][ T5466]  ? sb_set_blocksize+0xa5/0xe0
[  243.395365][ T5466]  get_tree_bdev+0x3f1/0x610
[  243.399999][ T5466]  ? gfs2_reconfigure+0xd30/0xd30
[  243.405057][ T5466]  gfs2_get_tree+0x4d/0x1e0
[  243.409679][ T5466]  vfs_get_tree+0x88/0x270
[  243.414126][ T5466]  do_new_mount+0x24a/0xa40
[  243.418687][ T5466]  __se_sys_mount+0x2e3/0x3d0
[  243.423404][ T5466]  ? __x64_sys_mount+0xc0/0xc0
[  243.428205][ T5466]  ? lockdep_hardirqs_on+0x94/0x140
[  243.433438][ T5466]  ? __x64_sys_mount+0x1c/0xc0
[  243.438277][ T5466]  do_syscall_64+0x4c/0xa0
[  243.442732][ T5466]  ? clear_bhb_loop+0x30/0x80
[  243.447456][ T5466]  ? clear_bhb_loop+0x30/0x80
[  243.452178][ T5466]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.458114][ T5466] RIP: 0033:0x7f87f4c68f4a
[  243.462566][ T5466] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.482221][ T5466] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.490677][ T5466] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  243.498705][ T5466] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  243.506711][ T5466] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  243.514837][ T5466] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  243.522844][ T5466] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  243.530877][ T5466]  </TASK>
[  243.540036][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.553400][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.863045][ T5468] loop1: detected capacity change from 0 to 32768
[  243.948681][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.956657][ T5468] CPU: 1 PID: 5468 Comm: syz.1.183 Not tainted syzkaller #0
[  243.963993][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  243.974076][ T5468] Call Trace:
[  243.977394][ T5468]  <TASK>
[  243.980421][ T5468]  dump_stack_lvl+0x188/0x250
[  243.985141][ T5468]  ? show_regs_print_info+0x20/0x20
[  243.990389][ T5468]  ? load_image+0x400/0x400
[  243.995211][ T5468]  sysfs_create_dir_ns+0x26a/0x290
[  244.000478][ T5468]  ? sysfs_warn_dup+0xa0/0xa0
[  244.005202][ T5468]  ? do_raw_spin_unlock+0x11d/0x230
[  244.010457][ T5468]  kobject_add_internal+0x6e0/0xd90
[  244.015723][ T5468]  kobject_init_and_add+0x128/0x190
[  244.020961][ T5468]  ? lockdep_softirqs_off+0x430/0x430
[  244.026377][ T5468]  ? kobject_add+0x230/0x230
[  244.031017][ T5468]  ? __init_swait_queue_head+0xa5/0x150
[  244.036620][ T5468]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.041425][ T5468]  ? gfs2_recover_set+0x240/0x240
[  244.046487][ T5468]  ? snprintf+0xe5/0x140
[  244.050785][ T5468]  ? __free_pages+0x95/0x1a0
[  244.055419][ T5468]  ? vscnprintf+0x80/0x80
[  244.059951][ T5468]  gfs2_fill_super+0x120f/0x1f00
[  244.064976][ T5468]  ? gfs2_reconfigure+0xd30/0xd30
[  244.070058][ T5468]  ? sb_set_blocksize+0xa5/0xe0
[  244.074954][ T5468]  get_tree_bdev+0x3f1/0x610
[  244.079587][ T5468]  ? gfs2_reconfigure+0xd30/0xd30
[  244.084652][ T5468]  gfs2_get_tree+0x4d/0x1e0
[  244.089196][ T5468]  vfs_get_tree+0x88/0x270
[  244.093646][ T5468]  do_new_mount+0x24a/0xa40
[  244.098188][ T5468]  __se_sys_mount+0x2e3/0x3d0
[  244.102898][ T5468]  ? __x64_sys_mount+0xc0/0xc0
[  244.107807][ T5468]  ? lockdep_hardirqs_on+0x94/0x140
[  244.113041][ T5468]  ? __x64_sys_mount+0x1c/0xc0
[  244.117847][ T5468]  do_syscall_64+0x4c/0xa0
[  244.122389][ T5468]  ? clear_bhb_loop+0x30/0x80
[  244.127160][ T5468]  ? clear_bhb_loop+0x30/0x80
[  244.131852][ T5468]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.137771][ T5468] RIP: 0033:0x7f87f4c68f4a
[  244.142186][ T5468] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.161800][ T5468] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.170215][ T5468] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  244.178389][ T5468] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  244.186385][ T5468] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  244.194373][ T5468] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  244.202376][ T5468] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  244.210388][ T5468]  </TASK>
[  244.214533][ T5468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.227770][ T5468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.595269][ T5470] loop1: detected capacity change from 0 to 32768
[  244.654853][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.662284][ T5470] CPU: 1 PID: 5470 Comm: syz.1.184 Not tainted syzkaller #0
[  244.669607][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  244.679726][ T5470] Call Trace:
[  244.683041][ T5470]  <TASK>
[  244.686007][ T5470]  dump_stack_lvl+0x188/0x250
[  244.690724][ T5470]  ? show_regs_print_info+0x20/0x20
[  244.695964][ T5470]  ? load_image+0x400/0x400
[  244.700530][ T5470]  sysfs_create_dir_ns+0x26a/0x290
[  244.705694][ T5470]  ? sysfs_warn_dup+0xa0/0xa0
[  244.710412][ T5470]  ? do_raw_spin_unlock+0x11d/0x230
[  244.715688][ T5470]  kobject_add_internal+0x6e0/0xd90
[  244.720930][ T5470]  kobject_init_and_add+0x128/0x190
[  244.726169][ T5470]  ? lockdep_softirqs_off+0x430/0x430
[  244.731595][ T5470]  ? kobject_add+0x230/0x230
[  244.736227][ T5470]  ? __init_swait_queue_head+0xa5/0x150
[  244.741814][ T5470]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.746619][ T5470]  ? gfs2_recover_set+0x240/0x240
[  244.751679][ T5470]  ? snprintf+0xe5/0x140
[  244.755954][ T5470]  ? __free_pages+0x95/0x1a0
[  244.760589][ T5470]  ? vscnprintf+0x80/0x80
[  244.764964][ T5470]  gfs2_fill_super+0x120f/0x1f00
[  244.769960][ T5470]  ? gfs2_reconfigure+0xd30/0xd30
[  244.775042][ T5470]  ? sb_set_blocksize+0xa5/0xe0
[  244.779927][ T5470]  get_tree_bdev+0x3f1/0x610
[  244.784562][ T5470]  ? gfs2_reconfigure+0xd30/0xd30
[  244.789629][ T5470]  gfs2_get_tree+0x4d/0x1e0
[  244.794170][ T5470]  vfs_get_tree+0x88/0x270
[  244.798626][ T5470]  do_new_mount+0x24a/0xa40
[  244.803237][ T5470]  __se_sys_mount+0x2e3/0x3d0
[  244.807979][ T5470]  ? __x64_sys_mount+0xc0/0xc0
[  244.812785][ T5470]  ? lockdep_hardirqs_on+0x94/0x140
[  244.818133][ T5470]  ? __x64_sys_mount+0x1c/0xc0
[  244.822937][ T5470]  do_syscall_64+0x4c/0xa0
[  244.827391][ T5470]  ? clear_bhb_loop+0x30/0x80
[  244.832128][ T5470]  ? clear_bhb_loop+0x30/0x80
[  244.836836][ T5470]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.842768][ T5470] RIP: 0033:0x7f87f4c68f4a
[  244.847212][ T5470] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.866844][ T5470] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.875291][ T5470] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  244.883396][ T5470] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  244.891392][ T5470] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  244.899836][ T5470] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  244.907835][ T5470] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  244.915875][ T5470]  </TASK>
[  244.927607][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.941019][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.311198][ T5472] loop1: detected capacity change from 0 to 32768
[  245.365579][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.373347][ T5472] CPU: 1 PID: 5472 Comm: syz.1.185 Not tainted syzkaller #0
[  245.380674][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  245.390848][ T5472] Call Trace:
[  245.394154][ T5472]  <TASK>
[  245.397115][ T5472]  dump_stack_lvl+0x188/0x250
[  245.401859][ T5472]  ? show_regs_print_info+0x20/0x20
[  245.407116][ T5472]  ? load_image+0x400/0x400
[  245.411681][ T5472]  sysfs_create_dir_ns+0x26a/0x290
[  245.416838][ T5472]  ? sysfs_warn_dup+0xa0/0xa0
[  245.421560][ T5472]  ? do_raw_spin_unlock+0x11d/0x230
[  245.426937][ T5472]  kobject_add_internal+0x6e0/0xd90
[  245.432181][ T5472]  kobject_init_and_add+0x128/0x190
[  245.437510][ T5472]  ? lockdep_softirqs_off+0x430/0x430
[  245.442929][ T5472]  ? kobject_add+0x230/0x230
[  245.447560][ T5472]  ? __init_swait_queue_head+0xa5/0x150
[  245.453152][ T5472]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.457964][ T5472]  ? gfs2_recover_set+0x240/0x240
[  245.463037][ T5472]  ? snprintf+0xe5/0x140
[  245.467334][ T5472]  ? __free_pages+0x95/0x1a0
[  245.472428][ T5472]  ? vscnprintf+0x80/0x80
[  245.476808][ T5472]  gfs2_fill_super+0x120f/0x1f00
[  245.481800][ T5472]  ? gfs2_reconfigure+0xd30/0xd30
[  245.486877][ T5472]  ? sb_set_blocksize+0xa5/0xe0
[  245.491765][ T5472]  get_tree_bdev+0x3f1/0x610
[  245.496401][ T5472]  ? gfs2_reconfigure+0xd30/0xd30
[  245.501466][ T5472]  gfs2_get_tree+0x4d/0x1e0
[  245.506043][ T5472]  vfs_get_tree+0x88/0x270
[  245.510500][ T5472]  do_new_mount+0x24a/0xa40
[  245.515401][ T5472]  __se_sys_mount+0x2e3/0x3d0
[  245.520120][ T5472]  ? __x64_sys_mount+0xc0/0xc0
[  245.524919][ T5472]  ? lockdep_hardirqs_on+0x94/0x140
[  245.530147][ T5472]  ? __x64_sys_mount+0x1c/0xc0
[  245.534959][ T5472]  do_syscall_64+0x4c/0xa0
[  245.539411][ T5472]  ? clear_bhb_loop+0x30/0x80
[  245.544217][ T5472]  ? clear_bhb_loop+0x30/0x80
[  245.548942][ T5472]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.554874][ T5472] RIP: 0033:0x7f87f4c68f4a
[  245.559332][ T5472] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.578980][ T5472] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.587432][ T5472] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  245.595443][ T5472] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  245.603448][ T5472] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  245.611451][ T5472] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  245.619460][ T5472] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  245.627489][ T5472]  </TASK>
[  245.636504][ T5472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.650017][ T5472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.987859][ T5474] loop1: detected capacity change from 0 to 32768
[  246.034406][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.043169][ T5474] CPU: 0 PID: 5474 Comm: syz.1.186 Not tainted syzkaller #0
[  246.050515][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  246.060618][ T5474] Call Trace:
[  246.063930][ T5474]  <TASK>
[  246.066899][ T5474]  dump_stack_lvl+0x188/0x250
[  246.071628][ T5474]  ? show_regs_print_info+0x20/0x20
[  246.076885][ T5474]  ? load_image+0x400/0x400
[  246.081449][ T5474]  sysfs_create_dir_ns+0x26a/0x290
[  246.086655][ T5474]  ? sysfs_warn_dup+0xa0/0xa0
[  246.091472][ T5474]  ? do_raw_spin_unlock+0x11d/0x230
[  246.096730][ T5474]  kobject_add_internal+0x6e0/0xd90
[  246.101981][ T5474]  kobject_init_and_add+0x128/0x190
[  246.107301][ T5474]  ? lockdep_softirqs_off+0x430/0x430
[  246.112720][ T5474]  ? kobject_add+0x230/0x230
[  246.117363][ T5474]  ? __init_swait_queue_head+0xa5/0x150
[  246.123049][ T5474]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.127859][ T5474]  ? gfs2_recover_set+0x240/0x240
[  246.132922][ T5474]  ? snprintf+0xe5/0x140
[  246.137201][ T5474]  ? __free_pages+0x95/0x1a0
[  246.141837][ T5474]  ? vscnprintf+0x80/0x80
[  246.146213][ T5474]  gfs2_fill_super+0x120f/0x1f00
[  246.151205][ T5474]  ? gfs2_reconfigure+0xd30/0xd30
[  246.156283][ T5474]  ? sb_set_blocksize+0xa5/0xe0
[  246.161167][ T5474]  get_tree_bdev+0x3f1/0x610
[  246.165794][ T5474]  ? gfs2_reconfigure+0xd30/0xd30
[  246.170856][ T5474]  gfs2_get_tree+0x4d/0x1e0
[  246.175409][ T5474]  vfs_get_tree+0x88/0x270
[  246.179867][ T5474]  do_new_mount+0x24a/0xa40
[  246.184417][ T5474]  __se_sys_mount+0x2e3/0x3d0
[  246.189145][ T5474]  ? __x64_sys_mount+0xc0/0xc0
[  246.193952][ T5474]  ? lockdep_hardirqs_on+0x94/0x140
[  246.199185][ T5474]  ? __x64_sys_mount+0x1c/0xc0
[  246.204003][ T5474]  do_syscall_64+0x4c/0xa0
[  246.208451][ T5474]  ? clear_bhb_loop+0x30/0x80
[  246.213162][ T5474]  ? clear_bhb_loop+0x30/0x80
[  246.217890][ T5474]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.223832][ T5474] RIP: 0033:0x7f87f4c68f4a
[  246.228282][ T5474] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.247925][ T5474] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.256389][ T5474] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  246.264400][ T5474] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  246.272404][ T5474] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  246.280407][ T5474] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  246.288412][ T5474] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  246.296432][ T5474]  </TASK>
[  246.305072][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.318431][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:50:05 executed programs: 172
[  246.701727][ T5476] loop1: detected capacity change from 0 to 32768
[  246.766940][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.774482][ T5476] CPU: 1 PID: 5476 Comm: syz.1.187 Not tainted syzkaller #0
[  246.781808][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  246.791901][ T5476] Call Trace:
[  246.795210][ T5476]  <TASK>
[  246.798171][ T5476]  dump_stack_lvl+0x188/0x250
[  246.802892][ T5476]  ? show_regs_print_info+0x20/0x20
[  246.808136][ T5476]  ? load_image+0x400/0x400
[  246.812700][ T5476]  sysfs_create_dir_ns+0x26a/0x290
[  246.817848][ T5476]  ? sysfs_warn_dup+0xa0/0xa0
[  246.822568][ T5476]  ? do_raw_spin_unlock+0x11d/0x230
[  246.827803][ T5476]  kobject_add_internal+0x6e0/0xd90
[  246.833055][ T5476]  kobject_init_and_add+0x128/0x190
[  246.838289][ T5476]  ? lockdep_softirqs_off+0x430/0x430
[  246.843708][ T5476]  ? kobject_add+0x230/0x230
[  246.848340][ T5476]  ? __init_swait_queue_head+0xa5/0x150
[  246.853936][ T5476]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.858745][ T5476]  ? gfs2_recover_set+0x240/0x240
[  246.863804][ T5476]  ? snprintf+0xe5/0x140
[  246.868084][ T5476]  ? __free_pages+0x95/0x1a0
[  246.872707][ T5476]  ? vscnprintf+0x80/0x80
[  246.877083][ T5476]  gfs2_fill_super+0x120f/0x1f00
[  246.882079][ T5476]  ? gfs2_reconfigure+0xd30/0xd30
[  246.887164][ T5476]  ? sb_set_blocksize+0xa5/0xe0
[  246.892052][ T5476]  get_tree_bdev+0x3f1/0x610
[  246.896676][ T5476]  ? gfs2_reconfigure+0xd30/0xd30
[  246.901736][ T5476]  gfs2_get_tree+0x4d/0x1e0
[  246.906278][ T5476]  vfs_get_tree+0x88/0x270
[  246.910737][ T5476]  do_new_mount+0x24a/0xa40
[  246.915282][ T5476]  __se_sys_mount+0x2e3/0x3d0
[  246.919997][ T5476]  ? __x64_sys_mount+0xc0/0xc0
[  246.924798][ T5476]  ? lockdep_hardirqs_on+0x94/0x140
[  246.924825][ T5476]  ? __x64_sys_mount+0x1c/0xc0
[  246.924849][ T5476]  do_syscall_64+0x4c/0xa0
[  246.939280][ T5476]  ? clear_bhb_loop+0x30/0x80
[  246.944016][ T5476]  ? clear_bhb_loop+0x30/0x80
[  246.948725][ T5476]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.954689][ T5476] RIP: 0033:0x7f87f4c68f4a
[  246.959136][ T5476] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.978770][ T5476] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.987257][ T5476] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  246.995264][ T5476] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  247.003350][ T5476] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  247.011356][ T5476] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  247.019370][ T5476] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  247.027391][ T5476]  </TASK>
[  247.040038][ T5476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.053358][ T5476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.340581][ T5478] loop1: detected capacity change from 0 to 32768
[  247.409848][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.417818][ T5478] CPU: 0 PID: 5478 Comm: syz.1.188 Not tainted syzkaller #0
[  247.425142][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  247.435239][ T5478] Call Trace:
[  247.438548][ T5478]  <TASK>
[  247.441513][ T5478]  dump_stack_lvl+0x188/0x250
[  247.446234][ T5478]  ? show_regs_print_info+0x20/0x20
[  247.451475][ T5478]  ? load_image+0x400/0x400
[  247.456036][ T5478]  sysfs_create_dir_ns+0x26a/0x290
[  247.461188][ T5478]  ? sysfs_warn_dup+0xa0/0xa0
[  247.466042][ T5478]  ? do_raw_spin_unlock+0x11d/0x230
[  247.471278][ T5478]  kobject_add_internal+0x6e0/0xd90
[  247.476525][ T5478]  kobject_init_and_add+0x128/0x190
[  247.481770][ T5478]  ? lockdep_softirqs_off+0x430/0x430
[  247.487186][ T5478]  ? kobject_add+0x230/0x230
[  247.491822][ T5478]  ? __init_swait_queue_head+0xa5/0x150
[  247.497416][ T5478]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.502227][ T5478]  ? gfs2_recover_set+0x240/0x240
[  247.507293][ T5478]  ? snprintf+0xe5/0x140
[  247.511572][ T5478]  ? __free_pages+0x95/0x1a0
[  247.516202][ T5478]  ? vscnprintf+0x80/0x80
[  247.520578][ T5478]  gfs2_fill_super+0x120f/0x1f00
[  247.525572][ T5478]  ? gfs2_reconfigure+0xd30/0xd30
[  247.530648][ T5478]  ? sb_set_blocksize+0xa5/0xe0
[  247.535527][ T5478]  get_tree_bdev+0x3f1/0x610
[  247.540165][ T5478]  ? gfs2_reconfigure+0xd30/0xd30
[  247.545224][ T5478]  gfs2_get_tree+0x4d/0x1e0
[  247.549763][ T5478]  vfs_get_tree+0x88/0x270
[  247.554211][ T5478]  do_new_mount+0x24a/0xa40
[  247.558843][ T5478]  __se_sys_mount+0x2e3/0x3d0
[  247.563582][ T5478]  ? __x64_sys_mount+0xc0/0xc0
[  247.568386][ T5478]  ? lockdep_hardirqs_on+0x94/0x140
[  247.573622][ T5478]  ? __x64_sys_mount+0x1c/0xc0
[  247.578430][ T5478]  do_syscall_64+0x4c/0xa0
[  247.582876][ T5478]  ? clear_bhb_loop+0x30/0x80
[  247.587588][ T5478]  ? clear_bhb_loop+0x30/0x80
[  247.592300][ T5478]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.598221][ T5478] RIP: 0033:0x7f87f4c68f4a
[  247.602673][ T5478] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.622435][ T5478] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.630883][ T5478] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  247.638886][ T5478] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  247.646899][ T5478] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  247.654912][ T5478] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  247.662912][ T5478] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  247.670940][ T5478]  </TASK>
[  247.680752][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.694127][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.050677][ T5480] loop1: detected capacity change from 0 to 32768
[  248.065304][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.072750][ T5480] CPU: 1 PID: 5480 Comm: syz.1.189 Not tainted syzkaller #0
[  248.080234][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  248.090350][ T5480] Call Trace:
[  248.093667][ T5480]  <TASK>
[  248.096629][ T5480]  dump_stack_lvl+0x188/0x250
[  248.101357][ T5480]  ? show_regs_print_info+0x20/0x20
[  248.106594][ T5480]  ? load_image+0x400/0x400
[  248.111152][ T5480]  sysfs_create_dir_ns+0x26a/0x290
[  248.116312][ T5480]  ? sysfs_warn_dup+0xa0/0xa0
[  248.121042][ T5480]  ? do_raw_spin_unlock+0x11d/0x230
[  248.126285][ T5480]  kobject_add_internal+0x6e0/0xd90
[  248.131791][ T5480]  kobject_init_and_add+0x128/0x190
[  248.137023][ T5480]  ? lockdep_softirqs_off+0x430/0x430
[  248.142449][ T5480]  ? kobject_add+0x230/0x230
[  248.147083][ T5480]  ? __init_swait_queue_head+0xa5/0x150
[  248.152665][ T5480]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.157473][ T5480]  ? gfs2_recover_set+0x240/0x240
[  248.162554][ T5480]  ? snprintf+0xe5/0x140
[  248.166841][ T5480]  ? __free_pages+0x95/0x1a0
[  248.171509][ T5480]  ? vscnprintf+0x80/0x80
[  248.176028][ T5480]  gfs2_fill_super+0x120f/0x1f00
[  248.181022][ T5480]  ? gfs2_reconfigure+0xd30/0xd30
[  248.186097][ T5480]  ? sb_set_blocksize+0xa5/0xe0
[  248.191019][ T5480]  get_tree_bdev+0x3f1/0x610
[  248.195647][ T5480]  ? gfs2_reconfigure+0xd30/0xd30
[  248.200704][ T5480]  gfs2_get_tree+0x4d/0x1e0
[  248.205251][ T5480]  vfs_get_tree+0x88/0x270
[  248.209698][ T5480]  do_new_mount+0x24a/0xa40
[  248.214214][ T5480]  __se_sys_mount+0x2e3/0x3d0
[  248.218921][ T5480]  ? __x64_sys_mount+0xc0/0xc0
[  248.223690][ T5480]  ? lockdep_hardirqs_on+0x94/0x140
[  248.228901][ T5480]  ? __x64_sys_mount+0x1c/0xc0
[  248.233704][ T5480]  do_syscall_64+0x4c/0xa0
[  248.238356][ T5480]  ? clear_bhb_loop+0x30/0x80
[  248.243043][ T5480]  ? clear_bhb_loop+0x30/0x80
[  248.247835][ T5480]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.253736][ T5480] RIP: 0033:0x7f87f4c68f4a
[  248.258157][ T5480] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.277787][ T5480] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.286234][ T5480] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  248.294220][ T5480] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  248.302203][ T5480] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  248.310181][ T5480] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  248.318267][ T5480] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  248.326268][ T5480]  </TASK>
[  248.334746][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.349740][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.716943][ T5482] loop1: detected capacity change from 0 to 32768
[  248.763438][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.771580][ T5482] CPU: 1 PID: 5482 Comm: syz.1.190 Not tainted syzkaller #0
[  248.778923][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  248.789013][ T5482] Call Trace:
[  248.792334][ T5482]  <TASK>
[  248.795302][ T5482]  dump_stack_lvl+0x188/0x250
[  248.800029][ T5482]  ? show_regs_print_info+0x20/0x20
[  248.805357][ T5482]  ? load_image+0x400/0x400
[  248.809917][ T5482]  sysfs_create_dir_ns+0x26a/0x290
[  248.815172][ T5482]  ? sysfs_warn_dup+0xa0/0xa0
[  248.819897][ T5482]  ? do_raw_spin_unlock+0x11d/0x230
[  248.825141][ T5482]  kobject_add_internal+0x6e0/0xd90
[  248.830400][ T5482]  kobject_init_and_add+0x128/0x190
[  248.835640][ T5482]  ? lockdep_softirqs_off+0x430/0x430
[  248.841062][ T5482]  ? kobject_add+0x230/0x230
[  248.845694][ T5482]  ? __init_swait_queue_head+0xa5/0x150
[  248.851296][ T5482]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.856095][ T5482]  ? gfs2_recover_set+0x240/0x240
[  248.861155][ T5482]  ? snprintf+0xe5/0x140
[  248.865425][ T5482]  ? __free_pages+0x95/0x1a0
[  248.870059][ T5482]  ? vscnprintf+0x80/0x80
[  248.874434][ T5482]  gfs2_fill_super+0x120f/0x1f00
[  248.879420][ T5482]  ? gfs2_reconfigure+0xd30/0xd30
[  248.884499][ T5482]  ? sb_set_blocksize+0xa5/0xe0
[  248.889390][ T5482]  get_tree_bdev+0x3f1/0x610
[  248.894018][ T5482]  ? gfs2_reconfigure+0xd30/0xd30
[  248.899087][ T5482]  gfs2_get_tree+0x4d/0x1e0
[  248.903634][ T5482]  vfs_get_tree+0x88/0x270
[  248.908103][ T5482]  do_new_mount+0x24a/0xa40
[  248.912658][ T5482]  __se_sys_mount+0x2e3/0x3d0
[  248.917382][ T5482]  ? __x64_sys_mount+0xc0/0xc0
[  248.922199][ T5482]  ? lockdep_hardirqs_on+0x94/0x140
[  248.927434][ T5482]  ? __x64_sys_mount+0x1c/0xc0
[  248.932250][ T5482]  do_syscall_64+0x4c/0xa0
[  248.936719][ T5482]  ? clear_bhb_loop+0x30/0x80
[  248.941429][ T5482]  ? clear_bhb_loop+0x30/0x80
[  248.946162][ T5482]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.952192][ T5482] RIP: 0033:0x7f87f4c68f4a
[  248.956643][ T5482] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.976285][ T5482] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.984741][ T5482] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  248.992773][ T5482] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  249.000774][ T5482] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  249.008786][ T5482] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  249.016792][ T5482] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  249.024892][ T5482]  </TASK>
[  249.031149][ T5482] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.044526][ T5482] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.413828][ T5484] loop1: detected capacity change from 0 to 32768
[  249.425257][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.432858][ T5484] CPU: 1 PID: 5484 Comm: syz.1.191 Not tainted syzkaller #0
[  249.440188][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  249.450282][ T5484] Call Trace:
[  249.453593][ T5484]  <TASK>
[  249.456561][ T5484]  dump_stack_lvl+0x188/0x250
[  249.461286][ T5484]  ? show_regs_print_info+0x20/0x20
[  249.466536][ T5484]  ? load_image+0x400/0x400
[  249.471091][ T5484]  sysfs_create_dir_ns+0x26a/0x290
[  249.476251][ T5484]  ? sysfs_warn_dup+0xa0/0xa0
[  249.480969][ T5484]  ? do_raw_spin_unlock+0x11d/0x230
[  249.486209][ T5484]  kobject_add_internal+0x6e0/0xd90
[  249.491452][ T5484]  kobject_init_and_add+0x128/0x190
[  249.496690][ T5484]  ? lockdep_softirqs_off+0x430/0x430
[  249.502112][ T5484]  ? kobject_add+0x230/0x230
[  249.506744][ T5484]  ? __init_swait_queue_head+0xa5/0x150
[  249.512328][ T5484]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.517141][ T5484]  ? gfs2_recover_set+0x240/0x240
[  249.522194][ T5484]  ? snprintf+0xe5/0x140
[  249.526470][ T5484]  ? __free_pages+0x95/0x1a0
[  249.531100][ T5484]  ? vscnprintf+0x80/0x80
[  249.535466][ T5484]  gfs2_fill_super+0x120f/0x1f00
[  249.540450][ T5484]  ? gfs2_reconfigure+0xd30/0xd30
[  249.545523][ T5484]  ? sb_set_blocksize+0xa5/0xe0
[  249.550404][ T5484]  get_tree_bdev+0x3f1/0x610
[  249.555036][ T5484]  ? gfs2_reconfigure+0xd30/0xd30
[  249.560093][ T5484]  gfs2_get_tree+0x4d/0x1e0
[  249.564614][ T5484]  vfs_get_tree+0x88/0x270
[  249.569108][ T5484]  do_new_mount+0x24a/0xa40
[  249.573619][ T5484]  __se_sys_mount+0x2e3/0x3d0
[  249.578306][ T5484]  ? __x64_sys_mount+0xc0/0xc0
[  249.583168][ T5484]  ? lockdep_hardirqs_on+0x94/0x140
[  249.588366][ T5484]  ? __x64_sys_mount+0x1c/0xc0
[  249.593142][ T5484]  do_syscall_64+0x4c/0xa0
[  249.597648][ T5484]  ? clear_bhb_loop+0x30/0x80
[  249.602324][ T5484]  ? clear_bhb_loop+0x30/0x80
[  249.607016][ T5484]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.612931][ T5484] RIP: 0033:0x7f87f4c68f4a
[  249.617356][ T5484] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.637000][ T5484] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.645424][ T5484] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  249.653399][ T5484] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  249.661369][ T5484] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  249.669344][ T5484] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  249.677324][ T5484] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  249.685324][ T5484]  </TASK>
[  249.689406][ T5484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.702734][ T5484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.058521][ T5486] loop1: detected capacity change from 0 to 32768
[  250.115879][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.123360][ T5486] CPU: 1 PID: 5486 Comm: syz.1.192 Not tainted syzkaller #0
[  250.130688][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  250.140783][ T5486] Call Trace:
[  250.144095][ T5486]  <TASK>
[  250.147067][ T5486]  dump_stack_lvl+0x188/0x250
[  250.151881][ T5486]  ? show_regs_print_info+0x20/0x20
[  250.157136][ T5486]  ? load_image+0x400/0x400
[  250.161699][ T5486]  sysfs_create_dir_ns+0x26a/0x290
[  250.166862][ T5486]  ? sysfs_warn_dup+0xa0/0xa0
[  250.171581][ T5486]  ? do_raw_spin_unlock+0x11d/0x230
[  250.176823][ T5486]  kobject_add_internal+0x6e0/0xd90
[  250.182071][ T5486]  kobject_init_and_add+0x128/0x190
[  250.187325][ T5486]  ? lockdep_softirqs_off+0x430/0x430
[  250.192753][ T5486]  ? kobject_add+0x230/0x230
[  250.197567][ T5486]  ? __init_swait_queue_head+0xa5/0x150
[  250.203163][ T5486]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.208049][ T5486]  ? gfs2_recover_set+0x240/0x240
[  250.213131][ T5486]  ? snprintf+0xe5/0x140
[  250.217414][ T5486]  ? __free_pages+0x95/0x1a0
[  250.222092][ T5486]  ? vscnprintf+0x80/0x80
[  250.226482][ T5486]  gfs2_fill_super+0x120f/0x1f00
[  250.231486][ T5486]  ? gfs2_reconfigure+0xd30/0xd30
[  250.236566][ T5486]  ? sb_set_blocksize+0xa5/0xe0
[  250.241472][ T5486]  get_tree_bdev+0x3f1/0x610
[  250.246111][ T5486]  ? gfs2_reconfigure+0xd30/0xd30
[  250.251185][ T5486]  gfs2_get_tree+0x4d/0x1e0
[  250.255878][ T5486]  vfs_get_tree+0x88/0x270
[  250.260355][ T5486]  do_new_mount+0x24a/0xa40
[  250.264904][ T5486]  __se_sys_mount+0x2e3/0x3d0
[  250.269633][ T5486]  ? __x64_sys_mount+0xc0/0xc0
[  250.274524][ T5486]  ? lockdep_hardirqs_on+0x94/0x140
[  250.279866][ T5486]  ? __x64_sys_mount+0x1c/0xc0
[  250.284675][ T5486]  do_syscall_64+0x4c/0xa0
[  250.289212][ T5486]  ? clear_bhb_loop+0x30/0x80
[  250.293924][ T5486]  ? clear_bhb_loop+0x30/0x80
[  250.298647][ T5486]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.304573][ T5486] RIP: 0033:0x7f87f4c68f4a
[  250.309034][ T5486] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.329103][ T5486] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.337646][ T5486] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  250.345668][ T5486] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  250.353767][ T5486] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  250.361772][ T5486] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  250.369790][ T5486] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  250.377814][ T5486]  </TASK>
[  250.385521][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.399302][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.764153][ T5488] loop1: detected capacity change from 0 to 32768
[  250.814744][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.822173][ T5488] CPU: 1 PID: 5488 Comm: syz.1.193 Not tainted syzkaller #0
[  250.829495][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  250.839588][ T5488] Call Trace:
[  250.842892][ T5488]  <TASK>
[  250.845847][ T5488]  dump_stack_lvl+0x188/0x250
[  250.850572][ T5488]  ? show_regs_print_info+0x20/0x20
[  250.855831][ T5488]  ? load_image+0x400/0x400
[  250.860382][ T5488]  sysfs_create_dir_ns+0x26a/0x290
[  250.865532][ T5488]  ? sysfs_warn_dup+0xa0/0xa0
[  250.870454][ T5488]  ? do_raw_spin_unlock+0x11d/0x230
[  250.875688][ T5488]  kobject_add_internal+0x6e0/0xd90
[  250.880927][ T5488]  kobject_init_and_add+0x128/0x190
[  250.886171][ T5488]  ? lockdep_softirqs_off+0x430/0x430
[  250.891593][ T5488]  ? kobject_add+0x230/0x230
[  250.896220][ T5488]  ? __init_swait_queue_head+0xa5/0x150
[  250.901891][ T5488]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.906685][ T5488]  ? gfs2_recover_set+0x240/0x240
[  250.911738][ T5488]  ? snprintf+0xe5/0x140
[  250.916017][ T5488]  ? __free_pages+0x95/0x1a0
[  250.920644][ T5488]  ? vscnprintf+0x80/0x80
[  250.925014][ T5488]  gfs2_fill_super+0x120f/0x1f00
[  250.929997][ T5488]  ? gfs2_reconfigure+0xd30/0xd30
[  250.935086][ T5488]  ? sb_set_blocksize+0xa5/0xe0
[  250.940054][ T5488]  get_tree_bdev+0x3f1/0x610
[  250.944681][ T5488]  ? gfs2_reconfigure+0xd30/0xd30
[  250.949748][ T5488]  gfs2_get_tree+0x4d/0x1e0
[  250.954299][ T5488]  vfs_get_tree+0x88/0x270
[  250.958752][ T5488]  do_new_mount+0x24a/0xa40
[  250.963302][ T5488]  __se_sys_mount+0x2e3/0x3d0
[  250.968014][ T5488]  ? __x64_sys_mount+0xc0/0xc0
[  250.972816][ T5488]  ? lockdep_hardirqs_on+0x94/0x140
[  250.978135][ T5488]  ? __x64_sys_mount+0x1c/0xc0
[  250.982944][ T5488]  do_syscall_64+0x4c/0xa0
[  250.987390][ T5488]  ? clear_bhb_loop+0x30/0x80
[  250.992095][ T5488]  ? clear_bhb_loop+0x30/0x80
[  250.996807][ T5488]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.002732][ T5488] RIP: 0033:0x7f87f4c68f4a
[  251.007184][ T5488] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.026903][ T5488] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.035363][ T5488] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  251.043367][ T5488] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  251.051368][ T5488] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  251.059407][ T5488] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  251.067413][ T5488] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  251.075437][ T5488]  </TASK>
[  251.080141][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.093536][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.469931][ T5490] loop1: detected capacity change from 0 to 32768
[  251.485867][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.493303][ T5490] CPU: 1 PID: 5490 Comm: syz.1.194 Not tainted syzkaller #0
[  251.500626][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  251.510725][ T5490] Call Trace:
[  251.514029][ T5490]  <TASK>
[  251.516996][ T5490]  dump_stack_lvl+0x188/0x250
[  251.521727][ T5490]  ? show_regs_print_info+0x20/0x20
[  251.526968][ T5490]  ? load_image+0x400/0x400
[  251.531566][ T5490]  sysfs_create_dir_ns+0x26a/0x290
[  251.536716][ T5490]  ? sysfs_warn_dup+0xa0/0xa0
[  251.541439][ T5490]  ? do_raw_spin_unlock+0x11d/0x230
[  251.546676][ T5490]  kobject_add_internal+0x6e0/0xd90
[  251.551918][ T5490]  kobject_init_and_add+0x128/0x190
[  251.557148][ T5490]  ? lockdep_softirqs_off+0x430/0x430
[  251.562580][ T5490]  ? kobject_add+0x230/0x230
[  251.567255][ T5490]  ? __init_swait_queue_head+0xa5/0x150
[  251.572847][ T5490]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.577652][ T5490]  ? gfs2_recover_set+0x240/0x240
[  251.582727][ T5490]  ? snprintf+0xe5/0x140
[  251.587009][ T5490]  ? __free_pages+0x95/0x1a0
[  251.591726][ T5490]  ? vscnprintf+0x80/0x80
[  251.596105][ T5490]  gfs2_fill_super+0x120f/0x1f00
[  251.601112][ T5490]  ? gfs2_reconfigure+0xd30/0xd30
[  251.606197][ T5490]  ? sb_set_blocksize+0xa5/0xe0
[  251.611088][ T5490]  get_tree_bdev+0x3f1/0x610
[  251.615755][ T5490]  ? gfs2_reconfigure+0xd30/0xd30
[  251.620820][ T5490]  gfs2_get_tree+0x4d/0x1e0
[  251.625374][ T5490]  vfs_get_tree+0x88/0x270
[  251.629828][ T5490]  do_new_mount+0x24a/0xa40
[  251.634375][ T5490]  __se_sys_mount+0x2e3/0x3d0
[  251.639092][ T5490]  ? __x64_sys_mount+0xc0/0xc0
[  251.643915][ T5490]  ? lockdep_hardirqs_on+0x94/0x140
[  251.649127][ T5490]  ? __x64_sys_mount+0x1c/0xc0
[  251.653923][ T5490]  do_syscall_64+0x4c/0xa0
[  251.658341][ T5490]  ? clear_bhb_loop+0x30/0x80
[  251.663017][ T5490]  ? clear_bhb_loop+0x30/0x80
[  251.667692][ T5490]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.673586][ T5490] RIP: 0033:0x7f87f4c68f4a
[  251.678022][ T5490] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.697636][ T5490] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.706080][ T5490] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  251.714143][ T5490] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  251.722126][ T5490] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  251.730102][ T5490] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  251.738081][ T5490] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  251.746081][ T5490]  </TASK>
[  251.750060][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.763357][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:50:10 executed programs: 180
[  252.125486][ T5492] loop1: detected capacity change from 0 to 32768
[  252.184470][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.193253][ T5492] CPU: 0 PID: 5492 Comm: syz.1.195 Not tainted syzkaller #0
[  252.200591][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  252.210679][ T5492] Call Trace:
[  252.213986][ T5492]  <TASK>
[  252.216943][ T5492]  dump_stack_lvl+0x188/0x250
[  252.221668][ T5492]  ? show_regs_print_info+0x20/0x20
[  252.226903][ T5492]  ? load_image+0x400/0x400
[  252.231468][ T5492]  sysfs_create_dir_ns+0x26a/0x290
[  252.236617][ T5492]  ? sysfs_warn_dup+0xa0/0xa0
[  252.241332][ T5492]  ? do_raw_spin_unlock+0x11d/0x230
[  252.246579][ T5492]  kobject_add_internal+0x6e0/0xd90
[  252.251946][ T5492]  kobject_init_and_add+0x128/0x190
[  252.257187][ T5492]  ? lockdep_softirqs_off+0x430/0x430
[  252.262624][ T5492]  ? kobject_add+0x230/0x230
[  252.267260][ T5492]  ? __init_swait_queue_head+0xa5/0x150
[  252.272856][ T5492]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.277754][ T5492]  ? gfs2_recover_set+0x240/0x240
[  252.282815][ T5492]  ? snprintf+0xe5/0x140
[  252.287108][ T5492]  ? __free_pages+0x95/0x1a0
[  252.291733][ T5492]  ? vscnprintf+0x80/0x80
[  252.296108][ T5492]  gfs2_fill_super+0x120f/0x1f00
[  252.301093][ T5492]  ? gfs2_reconfigure+0xd30/0xd30
[  252.306176][ T5492]  ? sb_set_blocksize+0xa5/0xe0
[  252.311061][ T5492]  get_tree_bdev+0x3f1/0x610
[  252.315810][ T5492]  ? gfs2_reconfigure+0xd30/0xd30
[  252.320876][ T5492]  gfs2_get_tree+0x4d/0x1e0
[  252.325509][ T5492]  vfs_get_tree+0x88/0x270
[  252.329984][ T5492]  do_new_mount+0x24a/0xa40
[  252.334538][ T5492]  __se_sys_mount+0x2e3/0x3d0
[  252.339350][ T5492]  ? __x64_sys_mount+0xc0/0xc0
[  252.344163][ T5492]  ? lockdep_hardirqs_on+0x94/0x140
[  252.349394][ T5492]  ? __x64_sys_mount+0x1c/0xc0
[  252.354205][ T5492]  do_syscall_64+0x4c/0xa0
[  252.358772][ T5492]  ? clear_bhb_loop+0x30/0x80
[  252.363489][ T5492]  ? clear_bhb_loop+0x30/0x80
[  252.368213][ T5492]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.374147][ T5492] RIP: 0033:0x7f87f4c68f4a
[  252.378598][ T5492] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.398246][ T5492] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.406704][ T5492] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  252.414723][ T5492] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  252.422727][ T5492] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  252.430737][ T5492] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  252.438744][ T5492] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  252.446769][ T5492]  </TASK>
[  252.455731][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.469093][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.731309][ T5494] loop1: detected capacity change from 0 to 32768
[  252.788716][ T5494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.796892][ T5494] CPU: 0 PID: 5494 Comm: syz.1.196 Not tainted syzkaller #0
[  252.804251][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  252.814341][ T5494] Call Trace:
[  252.817646][ T5494]  <TASK>
[  252.820606][ T5494]  dump_stack_lvl+0x188/0x250
[  252.825337][ T5494]  ? show_regs_print_info+0x20/0x20
[  252.830584][ T5494]  ? load_image+0x400/0x400
[  252.835150][ T5494]  sysfs_create_dir_ns+0x26a/0x290
[  252.840294][ T5494]  ? sysfs_warn_dup+0xa0/0xa0
[  252.845004][ T5494]  ? do_raw_spin_unlock+0x11d/0x230
[  252.850241][ T5494]  kobject_add_internal+0x6e0/0xd90
[  252.855486][ T5494]  kobject_init_and_add+0x128/0x190
[  252.860715][ T5494]  ? lockdep_softirqs_off+0x430/0x430
[  252.866137][ T5494]  ? kobject_add+0x230/0x230
[  252.870889][ T5494]  ? __init_swait_queue_head+0xa5/0x150
[  252.876474][ T5494]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.881287][ T5494]  ? gfs2_recover_set+0x240/0x240
[  252.886343][ T5494]  ? snprintf+0xe5/0x140
[  252.890615][ T5494]  ? __free_pages+0x95/0x1a0
[  252.895247][ T5494]  ? vscnprintf+0x80/0x80
[  252.899622][ T5494]  gfs2_fill_super+0x120f/0x1f00
[  252.904613][ T5494]  ? gfs2_reconfigure+0xd30/0xd30
[  252.909692][ T5494]  ? sb_set_blocksize+0xa5/0xe0
[  252.914582][ T5494]  get_tree_bdev+0x3f1/0x610
[  252.919209][ T5494]  ? gfs2_reconfigure+0xd30/0xd30
[  252.924271][ T5494]  gfs2_get_tree+0x4d/0x1e0
[  252.928812][ T5494]  vfs_get_tree+0x88/0x270
[  252.933275][ T5494]  do_new_mount+0x24a/0xa40
[  252.937824][ T5494]  __se_sys_mount+0x2e3/0x3d0
[  252.942543][ T5494]  ? __x64_sys_mount+0xc0/0xc0
[  252.947355][ T5494]  ? lockdep_hardirqs_on+0x94/0x140
[  252.952585][ T5494]  ? __x64_sys_mount+0x1c/0xc0
[  252.957466][ T5494]  do_syscall_64+0x4c/0xa0
[  252.961911][ T5494]  ? clear_bhb_loop+0x30/0x80
[  252.966616][ T5494]  ? clear_bhb_loop+0x30/0x80
[  252.971327][ T5494]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.977253][ T5494] RIP: 0033:0x7f87f4c68f4a
[  252.981701][ T5494] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.001334][ T5494] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.009782][ T5494] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  253.017786][ T5494] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  253.025789][ T5494] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  253.033784][ T5494] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  253.041775][ T5494] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  253.049762][ T5494]  </TASK>
[  253.054542][ T5494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.067780][ T5494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.426852][ T5496] loop1: detected capacity change from 0 to 32768
[  253.488746][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.496421][ T5496] CPU: 0 PID: 5496 Comm: syz.1.197 Not tainted syzkaller #0
[  253.503742][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  253.513842][ T5496] Call Trace:
[  253.517156][ T5496]  <TASK>
[  253.520116][ T5496]  dump_stack_lvl+0x188/0x250
[  253.524850][ T5496]  ? show_regs_print_info+0x20/0x20
[  253.530092][ T5496]  ? load_image+0x400/0x400
[  253.534655][ T5496]  sysfs_create_dir_ns+0x26a/0x290
[  253.539806][ T5496]  ? sysfs_warn_dup+0xa0/0xa0
[  253.544519][ T5496]  ? do_raw_spin_unlock+0x11d/0x230
[  253.549763][ T5496]  kobject_add_internal+0x6e0/0xd90
[  253.555014][ T5496]  kobject_init_and_add+0x128/0x190
[  253.560255][ T5496]  ? lockdep_softirqs_off+0x430/0x430
[  253.565670][ T5496]  ? kobject_add+0x230/0x230
[  253.570303][ T5496]  ? __init_swait_queue_head+0xa5/0x150
[  253.575885][ T5496]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.580685][ T5496]  ? gfs2_recover_set+0x240/0x240
[  253.585741][ T5496]  ? snprintf+0xe5/0x140
[  253.590022][ T5496]  ? __free_pages+0x95/0x1a0
[  253.594651][ T5496]  ? vscnprintf+0x80/0x80
[  253.599028][ T5496]  gfs2_fill_super+0x120f/0x1f00
[  253.604031][ T5496]  ? gfs2_reconfigure+0xd30/0xd30
[  253.609130][ T5496]  ? sb_set_blocksize+0xa5/0xe0
[  253.614019][ T5496]  get_tree_bdev+0x3f1/0x610
[  253.618644][ T5496]  ? gfs2_reconfigure+0xd30/0xd30
[  253.623708][ T5496]  gfs2_get_tree+0x4d/0x1e0
[  253.628259][ T5496]  vfs_get_tree+0x88/0x270
[  253.632714][ T5496]  do_new_mount+0x24a/0xa40
[  253.637261][ T5496]  __se_sys_mount+0x2e3/0x3d0
[  253.641991][ T5496]  ? __x64_sys_mount+0xc0/0xc0
[  253.646798][ T5496]  ? lockdep_hardirqs_on+0x94/0x140
[  253.652035][ T5496]  ? __x64_sys_mount+0x1c/0xc0
[  253.656835][ T5496]  do_syscall_64+0x4c/0xa0
[  253.661289][ T5496]  ? clear_bhb_loop+0x30/0x80
[  253.666008][ T5496]  ? clear_bhb_loop+0x30/0x80
[  253.670716][ T5496]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.676641][ T5496] RIP: 0033:0x7f87f4c68f4a
[  253.681093][ T5496] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.700732][ T5496] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.709185][ T5496] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  253.717187][ T5496] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  253.725189][ T5496] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  253.733194][ T5496] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  253.741192][ T5496] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  253.749207][ T5496]  </TASK>
[  253.757904][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.771155][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.148160][ T5498] loop1: detected capacity change from 0 to 32768
[  254.202965][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.212672][ T5498] CPU: 0 PID: 5498 Comm: syz.1.198 Not tainted syzkaller #0
[  254.220100][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  254.230192][ T5498] Call Trace:
[  254.233504][ T5498]  <TASK>
[  254.236466][ T5498]  dump_stack_lvl+0x188/0x250
[  254.241197][ T5498]  ? show_regs_print_info+0x20/0x20
[  254.246442][ T5498]  ? load_image+0x400/0x400
[  254.250992][ T5498]  sysfs_create_dir_ns+0x26a/0x290
[  254.256147][ T5498]  ? sysfs_warn_dup+0xa0/0xa0
[  254.260862][ T5498]  ? do_raw_spin_unlock+0x11d/0x230
[  254.266104][ T5498]  kobject_add_internal+0x6e0/0xd90
[  254.271343][ T5498]  kobject_init_and_add+0x128/0x190
[  254.276577][ T5498]  ? lockdep_softirqs_off+0x430/0x430
[  254.281995][ T5498]  ? kobject_add+0x230/0x230
[  254.286638][ T5498]  ? __init_swait_queue_head+0xa5/0x150
[  254.292231][ T5498]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.297042][ T5498]  ? gfs2_recover_set+0x240/0x240
[  254.302110][ T5498]  ? snprintf+0xe5/0x140
[  254.306386][ T5498]  ? __free_pages+0x95/0x1a0
[  254.311018][ T5498]  ? vscnprintf+0x80/0x80
[  254.315405][ T5498]  gfs2_fill_super+0x120f/0x1f00
[  254.320498][ T5498]  ? gfs2_reconfigure+0xd30/0xd30
[  254.325572][ T5498]  ? sb_set_blocksize+0xa5/0xe0
[  254.330466][ T5498]  get_tree_bdev+0x3f1/0x610
[  254.335095][ T5498]  ? gfs2_reconfigure+0xd30/0xd30
[  254.340160][ T5498]  gfs2_get_tree+0x4d/0x1e0
[  254.344698][ T5498]  vfs_get_tree+0x88/0x270
[  254.349146][ T5498]  do_new_mount+0x24a/0xa40
[  254.353684][ T5498]  __se_sys_mount+0x2e3/0x3d0
[  254.358413][ T5498]  ? __x64_sys_mount+0xc0/0xc0
[  254.363226][ T5498]  ? lockdep_hardirqs_on+0x94/0x140
[  254.368456][ T5498]  ? __x64_sys_mount+0x1c/0xc0
[  254.373268][ T5498]  do_syscall_64+0x4c/0xa0
[  254.377724][ T5498]  ? clear_bhb_loop+0x30/0x80
[  254.382435][ T5498]  ? clear_bhb_loop+0x30/0x80
[  254.387153][ T5498]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.393081][ T5498] RIP: 0033:0x7f87f4c68f4a
[  254.397522][ T5498] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.417165][ T5498] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.425624][ T5498] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  254.433740][ T5498] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  254.441745][ T5498] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  254.449755][ T5498] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  254.457795][ T5498] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  254.465819][ T5498]  </TASK>
[  254.474300][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.487655][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.749957][ T5500] loop1: detected capacity change from 0 to 32768
[  254.767753][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.775209][ T5500] CPU: 0 PID: 5500 Comm: syz.1.199 Not tainted syzkaller #0
[  254.782530][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  254.792616][ T5500] Call Trace:
[  254.795931][ T5500]  <TASK>
[  254.798887][ T5500]  dump_stack_lvl+0x188/0x250
[  254.803607][ T5500]  ? show_regs_print_info+0x20/0x20
[  254.808843][ T5500]  ? load_image+0x400/0x400
[  254.813398][ T5500]  sysfs_create_dir_ns+0x26a/0x290
[  254.818554][ T5500]  ? sysfs_warn_dup+0xa0/0xa0
[  254.823274][ T5500]  ? do_raw_spin_unlock+0x11d/0x230
[  254.828512][ T5500]  kobject_add_internal+0x6e0/0xd90
[  254.833752][ T5500]  kobject_init_and_add+0x128/0x190
[  254.838992][ T5500]  ? lockdep_softirqs_off+0x430/0x430
[  254.844404][ T5500]  ? kobject_add+0x230/0x230
[  254.849035][ T5500]  ? __init_swait_queue_head+0xa5/0x150
[  254.854619][ T5500]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.859427][ T5500]  ? gfs2_recover_set+0x240/0x240
[  254.864487][ T5500]  ? snprintf+0xe5/0x140
[  254.868765][ T5500]  ? __free_pages+0x95/0x1a0
[  254.873397][ T5500]  ? vscnprintf+0x80/0x80
[  254.877769][ T5500]  gfs2_fill_super+0x120f/0x1f00
[  254.882942][ T5500]  ? gfs2_reconfigure+0xd30/0xd30
[  254.888025][ T5500]  ? sb_set_blocksize+0xa5/0xe0
[  254.892919][ T5500]  get_tree_bdev+0x3f1/0x610
[  254.897551][ T5500]  ? gfs2_reconfigure+0xd30/0xd30
[  254.902806][ T5500]  gfs2_get_tree+0x4d/0x1e0
[  254.907342][ T5500]  vfs_get_tree+0x88/0x270
[  254.911817][ T5500]  do_new_mount+0x24a/0xa40
[  254.916361][ T5500]  __se_sys_mount+0x2e3/0x3d0
[  254.921072][ T5500]  ? __x64_sys_mount+0xc0/0xc0
[  254.925874][ T5500]  ? lockdep_hardirqs_on+0x94/0x140
[  254.931111][ T5500]  ? __x64_sys_mount+0x1c/0xc0
[  254.935919][ T5500]  do_syscall_64+0x4c/0xa0
[  254.940361][ T5500]  ? clear_bhb_loop+0x30/0x80
[  254.945070][ T5500]  ? clear_bhb_loop+0x30/0x80
[  254.949825][ T5500]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.955759][ T5500] RIP: 0033:0x7f87f4c68f4a
[  254.960215][ T5500] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.979860][ T5500] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.988415][ T5500] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  254.996425][ T5500] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  255.004433][ T5500] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  255.012531][ T5500] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  255.020537][ T5500] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  255.028566][ T5500]  </TASK>
[  255.037323][ T5500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.051222][ T5500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.313257][ T5502] loop1: detected capacity change from 0 to 32768
[  255.367427][ T5502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.375623][ T5502] CPU: 0 PID: 5502 Comm: syz.1.200 Not tainted syzkaller #0
[  255.382978][ T5502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  255.393072][ T5502] Call Trace:
[  255.396377][ T5502]  <TASK>
[  255.399342][ T5502]  dump_stack_lvl+0x188/0x250
[  255.404066][ T5502]  ? show_regs_print_info+0x20/0x20
[  255.409325][ T5502]  ? load_image+0x400/0x400
[  255.413877][ T5502]  sysfs_create_dir_ns+0x26a/0x290
[  255.419030][ T5502]  ? sysfs_warn_dup+0xa0/0xa0
[  255.423768][ T5502]  ? do_raw_spin_unlock+0x11d/0x230
[  255.429039][ T5502]  kobject_add_internal+0x6e0/0xd90
[  255.434296][ T5502]  kobject_init_and_add+0x128/0x190
[  255.439539][ T5502]  ? lockdep_softirqs_off+0x430/0x430
[  255.444953][ T5502]  ? kobject_add+0x230/0x230
[  255.449722][ T5502]  ? __init_swait_queue_head+0xa5/0x150
[  255.455317][ T5502]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.460122][ T5502]  ? gfs2_recover_set+0x240/0x240
[  255.465187][ T5502]  ? snprintf+0xe5/0x140
[  255.469457][ T5502]  ? __free_pages+0x95/0x1a0
[  255.474084][ T5502]  ? vscnprintf+0x80/0x80
[  255.478455][ T5502]  gfs2_fill_super+0x120f/0x1f00
[  255.483505][ T5502]  ? gfs2_reconfigure+0xd30/0xd30
[  255.488590][ T5502]  ? sb_set_blocksize+0xa5/0xe0
[  255.493479][ T5502]  get_tree_bdev+0x3f1/0x610
[  255.498114][ T5502]  ? gfs2_reconfigure+0xd30/0xd30
[  255.503194][ T5502]  gfs2_get_tree+0x4d/0x1e0
[  255.507745][ T5502]  vfs_get_tree+0x88/0x270
[  255.512202][ T5502]  do_new_mount+0x24a/0xa40
[  255.516767][ T5502]  __se_sys_mount+0x2e3/0x3d0
[  255.521501][ T5502]  ? __x64_sys_mount+0xc0/0xc0
[  255.526297][ T5502]  ? lockdep_hardirqs_on+0x94/0x140
[  255.531526][ T5502]  ? __x64_sys_mount+0x1c/0xc0
[  255.536326][ T5502]  do_syscall_64+0x4c/0xa0
[  255.540883][ T5502]  ? clear_bhb_loop+0x30/0x80
[  255.545594][ T5502]  ? clear_bhb_loop+0x30/0x80
[  255.550309][ T5502]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.556237][ T5502] RIP: 0033:0x7f87f4c68f4a
[  255.560687][ T5502] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.580512][ T5502] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.588963][ T5502] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  255.596972][ T5502] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  255.604978][ T5502] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  255.612980][ T5502] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  255.620984][ T5502] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  255.629005][ T5502]  </TASK>
[  255.637253][ T1424] ieee802154 phy0 wpan0: encryption failed: -22
[  255.643616][ T1424] ieee802154 phy1 wpan1: encryption failed: -22
[  255.657706][ T5502] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.671883][ T5502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.936832][ T5504] loop1: detected capacity change from 0 to 32768
[  255.979945][ T5504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.988049][ T5504] CPU: 0 PID: 5504 Comm: syz.1.201 Not tainted syzkaller #0
[  255.995395][ T5504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  256.005484][ T5504] Call Trace:
[  256.008800][ T5504]  <TASK>
[  256.011758][ T5504]  dump_stack_lvl+0x188/0x250
[  256.016570][ T5504]  ? show_regs_print_info+0x20/0x20
[  256.021856][ T5504]  ? load_image+0x400/0x400
[  256.026412][ T5504]  sysfs_create_dir_ns+0x26a/0x290
[  256.031564][ T5504]  ? sysfs_warn_dup+0xa0/0xa0
[  256.036286][ T5504]  ? do_raw_spin_unlock+0x11d/0x230
[  256.041522][ T5504]  kobject_add_internal+0x6e0/0xd90
[  256.046774][ T5504]  kobject_init_and_add+0x128/0x190
[  256.052005][ T5504]  ? lockdep_softirqs_off+0x430/0x430
[  256.057427][ T5504]  ? kobject_add+0x230/0x230
[  256.062063][ T5504]  ? __init_swait_queue_head+0xa5/0x150
[  256.067654][ T5504]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.072460][ T5504]  ? gfs2_recover_set+0x240/0x240
[  256.077528][ T5504]  ? snprintf+0xe5/0x140
[  256.081805][ T5504]  ? __free_pages+0x95/0x1a0
[  256.086435][ T5504]  ? vscnprintf+0x80/0x80
[  256.090818][ T5504]  gfs2_fill_super+0x120f/0x1f00
[  256.095824][ T5504]  ? gfs2_reconfigure+0xd30/0xd30
[  256.100909][ T5504]  ? sb_set_blocksize+0xa5/0xe0
[  256.105802][ T5504]  get_tree_bdev+0x3f1/0x610
[  256.110433][ T5504]  ? gfs2_reconfigure+0xd30/0xd30
[  256.115511][ T5504]  gfs2_get_tree+0x4d/0x1e0
[  256.120168][ T5504]  vfs_get_tree+0x88/0x270
[  256.124728][ T5504]  do_new_mount+0x24a/0xa40
[  256.129287][ T5504]  __se_sys_mount+0x2e3/0x3d0
[  256.134022][ T5504]  ? __x64_sys_mount+0xc0/0xc0
[  256.138828][ T5504]  ? lockdep_hardirqs_on+0x94/0x140
[  256.144073][ T5504]  ? __x64_sys_mount+0x1c/0xc0
[  256.148888][ T5504]  do_syscall_64+0x4c/0xa0
[  256.153333][ T5504]  ? clear_bhb_loop+0x30/0x80
[  256.158037][ T5504]  ? clear_bhb_loop+0x30/0x80
[  256.162750][ T5504]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.168683][ T5504] RIP: 0033:0x7f87f4c68f4a
[  256.173144][ T5504] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.192781][ T5504] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.201244][ T5504] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  256.209268][ T5504] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  256.217264][ T5504] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  256.225270][ T5504] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  256.233272][ T5504] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  256.241306][ T5504]  </TASK>
[  256.264821][ T5504] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.279107][ T5504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.544535][ T5506] loop1: detected capacity change from 0 to 32768
[  256.597971][ T5506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.605592][ T5506] CPU: 1 PID: 5506 Comm: syz.1.202 Not tainted syzkaller #0
[  256.612916][ T5506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  256.623001][ T5506] Call Trace:
[  256.626312][ T5506]  <TASK>
[  256.629270][ T5506]  dump_stack_lvl+0x188/0x250
[  256.633998][ T5506]  ? show_regs_print_info+0x20/0x20
[  256.639242][ T5506]  ? load_image+0x400/0x400
[  256.643797][ T5506]  sysfs_create_dir_ns+0x26a/0x290
[  256.648961][ T5506]  ? sysfs_warn_dup+0xa0/0xa0
[  256.653676][ T5506]  ? do_raw_spin_unlock+0x11d/0x230
[  256.658949][ T5506]  kobject_add_internal+0x6e0/0xd90
[  256.664199][ T5506]  kobject_init_and_add+0x128/0x190
[  256.669435][ T5506]  ? lockdep_softirqs_off+0x430/0x430
[  256.674860][ T5506]  ? kobject_add+0x230/0x230
[  256.679494][ T5506]  ? __init_swait_queue_head+0xa5/0x150
[  256.685086][ T5506]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.689886][ T5506]  ? gfs2_recover_set+0x240/0x240
[  256.694956][ T5506]  ? snprintf+0xe5/0x140
[  256.699231][ T5506]  ? __free_pages+0x95/0x1a0
[  256.703869][ T5506]  ? vscnprintf+0x80/0x80
[  256.708253][ T5506]  gfs2_fill_super+0x120f/0x1f00
[  256.713253][ T5506]  ? gfs2_reconfigure+0xd30/0xd30
[  256.718337][ T5506]  ? sb_set_blocksize+0xa5/0xe0
[  256.723236][ T5506]  get_tree_bdev+0x3f1/0x610
[  256.727874][ T5506]  ? gfs2_reconfigure+0xd30/0xd30
[  256.732932][ T5506]  gfs2_get_tree+0x4d/0x1e0
[  256.737477][ T5506]  vfs_get_tree+0x88/0x270
[  256.741933][ T5506]  do_new_mount+0x24a/0xa40
[  256.746486][ T5506]  __se_sys_mount+0x2e3/0x3d0
[  256.751205][ T5506]  ? __x64_sys_mount+0xc0/0xc0
[  256.756015][ T5506]  ? lockdep_hardirqs_on+0x94/0x140
[  256.761278][ T5506]  ? __x64_sys_mount+0x1c/0xc0
[  256.766077][ T5506]  do_syscall_64+0x4c/0xa0
[  256.770522][ T5506]  ? clear_bhb_loop+0x30/0x80
[  256.775231][ T5506]  ? clear_bhb_loop+0x30/0x80
[  256.779951][ T5506]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.785876][ T5506] RIP: 0033:0x7f87f4c68f4a
[  256.790331][ T5506] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.809970][ T5506] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.818560][ T5506] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  256.826580][ T5506] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  256.834590][ T5506] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  256.842593][ T5506] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  256.850654][ T5506] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  256.858677][ T5506]  </TASK>
[  256.871432][ T5506] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.884727][ T5506] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:50:16 executed programs: 188
[  257.255171][ T5508] loop1: detected capacity change from 0 to 32768
[  257.307852][ T5508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.318311][ T5508] CPU: 1 PID: 5508 Comm: syz.1.203 Not tainted syzkaller #0
[  257.325643][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  257.335888][ T5508] Call Trace:
[  257.339202][ T5508]  <TASK>
[  257.342160][ T5508]  dump_stack_lvl+0x188/0x250
[  257.346876][ T5508]  ? show_regs_print_info+0x20/0x20
[  257.352137][ T5508]  ? load_image+0x400/0x400
[  257.356688][ T5508]  sysfs_create_dir_ns+0x26a/0x290
[  257.361864][ T5508]  ? sysfs_warn_dup+0xa0/0xa0
[  257.366573][ T5508]  ? do_raw_spin_unlock+0x11d/0x230
[  257.371820][ T5508]  kobject_add_internal+0x6e0/0xd90
[  257.377061][ T5508]  kobject_init_and_add+0x128/0x190
[  257.382293][ T5508]  ? lockdep_softirqs_off+0x430/0x430
[  257.387706][ T5508]  ? kobject_add+0x230/0x230
[  257.392340][ T5508]  ? __init_swait_queue_head+0xa5/0x150
[  257.397937][ T5508]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.402741][ T5508]  ? gfs2_recover_set+0x240/0x240
[  257.407953][ T5508]  ? snprintf+0xe5/0x140
[  257.412329][ T5508]  ? __free_pages+0x95/0x1a0
[  257.417046][ T5508]  ? vscnprintf+0x80/0x80
[  257.421416][ T5508]  gfs2_fill_super+0x120f/0x1f00
[  257.426423][ T5508]  ? gfs2_reconfigure+0xd30/0xd30
[  257.431537][ T5508]  ? sb_set_blocksize+0xa5/0xe0
[  257.436430][ T5508]  get_tree_bdev+0x3f1/0x610
[  257.441066][ T5508]  ? gfs2_reconfigure+0xd30/0xd30
[  257.446129][ T5508]  gfs2_get_tree+0x4d/0x1e0
[  257.450674][ T5508]  vfs_get_tree+0x88/0x270
[  257.455125][ T5508]  do_new_mount+0x24a/0xa40
[  257.459670][ T5508]  __se_sys_mount+0x2e3/0x3d0
[  257.464484][ T5508]  ? __x64_sys_mount+0xc0/0xc0
[  257.469295][ T5508]  ? lockdep_hardirqs_on+0x94/0x140
[  257.474527][ T5508]  ? __x64_sys_mount+0x1c/0xc0
[  257.479338][ T5508]  do_syscall_64+0x4c/0xa0
[  257.483883][ T5508]  ? clear_bhb_loop+0x30/0x80
[  257.488612][ T5508]  ? clear_bhb_loop+0x30/0x80
[  257.493337][ T5508]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.499270][ T5508] RIP: 0033:0x7f87f4c68f4a
[  257.503720][ T5508] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.523363][ T5508] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.531827][ T5508] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  257.539844][ T5508] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  257.547847][ T5508] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  257.556125][ T5508] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  257.564130][ T5508] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  257.572155][ T5508]  </TASK>
[  257.576181][ T5508] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.589374][ T5508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.714806][   T21] Bluetooth: hci1: command 0x0406 tx timeout
[  257.972086][ T5510] loop1: detected capacity change from 0 to 32768
[  258.022763][ T5510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.031154][ T5510] CPU: 0 PID: 5510 Comm: syz.1.204 Not tainted syzkaller #0
[  258.038494][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  258.048588][ T5510] Call Trace:
[  258.051962][ T5510]  <TASK>
[  258.054925][ T5510]  dump_stack_lvl+0x188/0x250
[  258.059648][ T5510]  ? show_regs_print_info+0x20/0x20
[  258.064894][ T5510]  ? load_image+0x400/0x400
[  258.069451][ T5510]  sysfs_create_dir_ns+0x26a/0x290
[  258.074621][ T5510]  ? sysfs_warn_dup+0xa0/0xa0
[  258.079340][ T5510]  ? do_raw_spin_unlock+0x11d/0x230
[  258.084585][ T5510]  kobject_add_internal+0x6e0/0xd90
[  258.089937][ T5510]  kobject_init_and_add+0x128/0x190
[  258.095177][ T5510]  ? lockdep_softirqs_off+0x430/0x430
[  258.100592][ T5510]  ? kobject_add+0x230/0x230
[  258.105234][ T5510]  ? __init_swait_queue_head+0xa5/0x150
[  258.110827][ T5510]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.115817][ T5510]  ? gfs2_recover_set+0x240/0x240
[  258.120884][ T5510]  ? snprintf+0xe5/0x140
[  258.125257][ T5510]  ? __free_pages+0x95/0x1a0
[  258.129914][ T5510]  ? vscnprintf+0x80/0x80
[  258.134283][ T5510]  gfs2_fill_super+0x120f/0x1f00
[  258.139265][ T5510]  ? gfs2_reconfigure+0xd30/0xd30
[  258.144434][ T5510]  ? sb_set_blocksize+0xa5/0xe0
[  258.149331][ T5510]  get_tree_bdev+0x3f1/0x610
[  258.154050][ T5510]  ? gfs2_reconfigure+0xd30/0xd30
[  258.159108][ T5510]  gfs2_get_tree+0x4d/0x1e0
[  258.163655][ T5510]  vfs_get_tree+0x88/0x270
[  258.168110][ T5510]  do_new_mount+0x24a/0xa40
[  258.172752][ T5510]  __se_sys_mount+0x2e3/0x3d0
[  258.177476][ T5510]  ? __x64_sys_mount+0xc0/0xc0
[  258.182318][ T5510]  ? lockdep_hardirqs_on+0x94/0x140
[  258.187551][ T5510]  ? __x64_sys_mount+0x1c/0xc0
[  258.192349][ T5510]  do_syscall_64+0x4c/0xa0
[  258.196800][ T5510]  ? clear_bhb_loop+0x30/0x80
[  258.201516][ T5510]  ? clear_bhb_loop+0x30/0x80
[  258.206233][ T5510]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.212169][ T5510] RIP: 0033:0x7f87f4c68f4a
[  258.216638][ T5510] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.236278][ T5510] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.244737][ T5510] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  258.252845][ T5510] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  258.260874][ T5510] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  258.268917][ T5510] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  258.276928][ T5510] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  258.284957][ T5510]  </TASK>
[  258.290039][ T5510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.303243][ T5510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.665183][ T5512] loop1: detected capacity change from 0 to 32768
[  258.734777][ T5512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.743114][ T5512] CPU: 0 PID: 5512 Comm: syz.1.205 Not tainted syzkaller #0
[  258.750450][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  258.760539][ T5512] Call Trace:
[  258.763976][ T5512]  <TASK>
[  258.767021][ T5512]  dump_stack_lvl+0x188/0x250
[  258.771744][ T5512]  ? show_regs_print_info+0x20/0x20
[  258.776986][ T5512]  ? load_image+0x400/0x400
[  258.781542][ T5512]  sysfs_create_dir_ns+0x26a/0x290
[  258.786692][ T5512]  ? sysfs_warn_dup+0xa0/0xa0
[  258.791402][ T5512]  ? do_raw_spin_unlock+0x11d/0x230
[  258.796640][ T5512]  kobject_add_internal+0x6e0/0xd90
[  258.801893][ T5512]  kobject_init_and_add+0x128/0x190
[  258.807130][ T5512]  ? lockdep_softirqs_off+0x430/0x430
[  258.812542][ T5512]  ? kobject_add+0x230/0x230
[  258.817176][ T5512]  ? __init_swait_queue_head+0xa5/0x150
[  258.822768][ T5512]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.827573][ T5512]  ? gfs2_recover_set+0x240/0x240
[  258.832717][ T5512]  ? snprintf+0xe5/0x140
[  258.836991][ T5512]  ? __free_pages+0x95/0x1a0
[  258.841624][ T5512]  ? vscnprintf+0x80/0x80
[  258.845998][ T5512]  gfs2_fill_super+0x120f/0x1f00
[  258.850985][ T5512]  ? gfs2_reconfigure+0xd30/0xd30
[  258.856066][ T5512]  ? sb_set_blocksize+0xa5/0xe0
[  258.860962][ T5512]  get_tree_bdev+0x3f1/0x610
[  258.865674][ T5512]  ? gfs2_reconfigure+0xd30/0xd30
[  258.870742][ T5512]  gfs2_get_tree+0x4d/0x1e0
[  258.875293][ T5512]  vfs_get_tree+0x88/0x270
[  258.879746][ T5512]  do_new_mount+0x24a/0xa40
[  258.884296][ T5512]  __se_sys_mount+0x2e3/0x3d0
[  258.889019][ T5512]  ? __x64_sys_mount+0xc0/0xc0
[  258.893818][ T5512]  ? lockdep_hardirqs_on+0x94/0x140
[  258.899045][ T5512]  ? __x64_sys_mount+0x1c/0xc0
[  258.903854][ T5512]  do_syscall_64+0x4c/0xa0
[  258.908298][ T5512]  ? clear_bhb_loop+0x30/0x80
[  258.913008][ T5512]  ? clear_bhb_loop+0x30/0x80
[  258.917719][ T5512]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.923650][ T5512] RIP: 0033:0x7f87f4c68f4a
[  258.928101][ T5512] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.947740][ T5512] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.956199][ T5512] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  258.964212][ T5512] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  258.972233][ T5512] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  258.980247][ T5512] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  258.988260][ T5512] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  258.996293][ T5512]  </TASK>
[  259.005995][ T5512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.019293][ T5512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.279368][ T5514] loop1: detected capacity change from 0 to 32768
[  259.297360][ T5514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.306066][ T5514] CPU: 0 PID: 5514 Comm: syz.1.206 Not tainted syzkaller #0
[  259.313512][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  259.323603][ T5514] Call Trace:
[  259.326913][ T5514]  <TASK>
[  259.329873][ T5514]  dump_stack_lvl+0x188/0x250
[  259.334599][ T5514]  ? show_regs_print_info+0x20/0x20
[  259.339840][ T5514]  ? load_image+0x400/0x400
[  259.344390][ T5514]  sysfs_create_dir_ns+0x26a/0x290
[  259.349560][ T5514]  ? sysfs_warn_dup+0xa0/0xa0
[  259.354275][ T5514]  ? do_raw_spin_unlock+0x11d/0x230
[  259.359510][ T5514]  kobject_add_internal+0x6e0/0xd90
[  259.364762][ T5514]  kobject_init_and_add+0x128/0x190
[  259.369994][ T5514]  ? lockdep_softirqs_off+0x430/0x430
[  259.375417][ T5514]  ? kobject_add+0x230/0x230
[  259.380054][ T5514]  ? __init_swait_queue_head+0xa5/0x150
[  259.385673][ T5514]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.390487][ T5514]  ? gfs2_recover_set+0x240/0x240
[  259.395564][ T5514]  ? snprintf+0xe5/0x140
[  259.399842][ T5514]  ? __free_pages+0x95/0x1a0
[  259.404474][ T5514]  ? vscnprintf+0x80/0x80
[  259.408954][ T5514]  gfs2_fill_super+0x120f/0x1f00
[  259.413950][ T5514]  ? gfs2_reconfigure+0xd30/0xd30
[  259.419036][ T5514]  ? sb_set_blocksize+0xa5/0xe0
[  259.424097][ T5514]  get_tree_bdev+0x3f1/0x610
[  259.428739][ T5514]  ? gfs2_reconfigure+0xd30/0xd30
[  259.433804][ T5514]  gfs2_get_tree+0x4d/0x1e0
[  259.438347][ T5514]  vfs_get_tree+0x88/0x270
[  259.442806][ T5514]  do_new_mount+0x24a/0xa40
[  259.447351][ T5514]  __se_sys_mount+0x2e3/0x3d0
[  259.452074][ T5514]  ? __x64_sys_mount+0xc0/0xc0
[  259.456879][ T5514]  ? lockdep_hardirqs_on+0x94/0x140
[  259.462114][ T5514]  ? __x64_sys_mount+0x1c/0xc0
[  259.466911][ T5514]  do_syscall_64+0x4c/0xa0
[  259.471374][ T5514]  ? clear_bhb_loop+0x30/0x80
[  259.476125][ T5514]  ? clear_bhb_loop+0x30/0x80
[  259.480856][ T5514]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.486781][ T5514] RIP: 0033:0x7f87f4c68f4a
[  259.491230][ T5514] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.510876][ T5514] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.519348][ T5514] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  259.527437][ T5514] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  259.535442][ T5514] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  259.543449][ T5514] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  259.551473][ T5514] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  259.559496][ T5514]  </TASK>
[  259.568490][ T5514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.582012][ T5514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.839504][ T5516] loop1: detected capacity change from 0 to 32768
[  259.857007][ T5516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.865094][ T5516] CPU: 0 PID: 5516 Comm: syz.1.207 Not tainted syzkaller #0
[  259.872435][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  259.882528][ T5516] Call Trace:
[  259.885845][ T5516]  <TASK>
[  259.888810][ T5516]  dump_stack_lvl+0x188/0x250
[  259.893530][ T5516]  ? show_regs_print_info+0x20/0x20
[  259.898863][ T5516]  ? load_image+0x400/0x400
[  259.903420][ T5516]  sysfs_create_dir_ns+0x26a/0x290
[  259.908597][ T5516]  ? sysfs_warn_dup+0xa0/0xa0
[  259.913317][ T5516]  ? do_raw_spin_unlock+0x11d/0x230
[  259.918562][ T5516]  kobject_add_internal+0x6e0/0xd90
[  259.923802][ T5516]  kobject_init_and_add+0x128/0x190
[  259.929038][ T5516]  ? lockdep_softirqs_off+0x430/0x430
[  259.934452][ T5516]  ? kobject_add+0x230/0x230
[  259.939097][ T5516]  ? __init_swait_queue_head+0xa5/0x150
[  259.944741][ T5516]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.949555][ T5516]  ? gfs2_recover_set+0x240/0x240
[  259.954619][ T5516]  ? snprintf+0xe5/0x140
[  259.958893][ T5516]  ? __free_pages+0x95/0x1a0
[  259.963526][ T5516]  ? vscnprintf+0x80/0x80
[  259.967905][ T5516]  gfs2_fill_super+0x120f/0x1f00
[  259.972897][ T5516]  ? gfs2_reconfigure+0xd30/0xd30
[  259.977985][ T5516]  ? sb_set_blocksize+0xa5/0xe0
[  259.982882][ T5516]  get_tree_bdev+0x3f1/0x610
[  259.987514][ T5516]  ? gfs2_reconfigure+0xd30/0xd30
[  259.992587][ T5516]  gfs2_get_tree+0x4d/0x1e0
[  259.997240][ T5516]  vfs_get_tree+0x88/0x270
[  260.001700][ T5516]  do_new_mount+0x24a/0xa40
[  260.006318][ T5516]  __se_sys_mount+0x2e3/0x3d0
[  260.011052][ T5516]  ? __x64_sys_mount+0xc0/0xc0
[  260.015870][ T5516]  ? lockdep_hardirqs_on+0x94/0x140
[  260.021134][ T5516]  ? __x64_sys_mount+0x1c/0xc0
[  260.025933][ T5516]  do_syscall_64+0x4c/0xa0
[  260.030384][ T5516]  ? clear_bhb_loop+0x30/0x80
[  260.035094][ T5516]  ? clear_bhb_loop+0x30/0x80
[  260.039810][ T5516]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.045754][ T5516] RIP: 0033:0x7f87f4c68f4a
[  260.050202][ T5516] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.069852][ T5516] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.078313][ T5516] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  260.086321][ T5516] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  260.094321][ T5516] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  260.102322][ T5516] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  260.110328][ T5516] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  260.118480][ T5516]  </TASK>
[  260.127385][ T5516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.140594][ T5516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.403347][ T5518] loop1: detected capacity change from 0 to 32768
[  260.459121][ T5518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.467414][ T5518] CPU: 0 PID: 5518 Comm: syz.1.208 Not tainted syzkaller #0
[  260.474751][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  260.484845][ T5518] Call Trace:
[  260.488165][ T5518]  <TASK>
[  260.491129][ T5518]  dump_stack_lvl+0x188/0x250
[  260.495860][ T5518]  ? show_regs_print_info+0x20/0x20
[  260.501106][ T5518]  ? load_image+0x400/0x400
[  260.505672][ T5518]  sysfs_create_dir_ns+0x26a/0x290
[  260.510831][ T5518]  ? sysfs_warn_dup+0xa0/0xa0
[  260.515555][ T5518]  ? do_raw_spin_unlock+0x11d/0x230
[  260.520798][ T5518]  kobject_add_internal+0x6e0/0xd90
[  260.526038][ T5518]  kobject_init_and_add+0x128/0x190
[  260.531284][ T5518]  ? lockdep_softirqs_off+0x430/0x430
[  260.536708][ T5518]  ? kobject_add+0x230/0x230
[  260.541351][ T5518]  ? __init_swait_queue_head+0xa5/0x150
[  260.546940][ T5518]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.551741][ T5518]  ? gfs2_recover_set+0x240/0x240
[  260.556799][ T5518]  ? snprintf+0xe5/0x140
[  260.561069][ T5518]  ? __free_pages+0x95/0x1a0
[  260.565703][ T5518]  ? vscnprintf+0x80/0x80
[  260.570086][ T5518]  gfs2_fill_super+0x120f/0x1f00
[  260.575085][ T5518]  ? gfs2_reconfigure+0xd30/0xd30
[  260.580169][ T5518]  ? sb_set_blocksize+0xa5/0xe0
[  260.585062][ T5518]  get_tree_bdev+0x3f1/0x610
[  260.589823][ T5518]  ? gfs2_reconfigure+0xd30/0xd30
[  260.594889][ T5518]  gfs2_get_tree+0x4d/0x1e0
[  260.599439][ T5518]  vfs_get_tree+0x88/0x270
[  260.603898][ T5518]  do_new_mount+0x24a/0xa40
[  260.608443][ T5518]  __se_sys_mount+0x2e3/0x3d0
[  260.613165][ T5518]  ? __x64_sys_mount+0xc0/0xc0
[  260.617971][ T5518]  ? lockdep_hardirqs_on+0x94/0x140
[  260.623204][ T5518]  ? __x64_sys_mount+0x1c/0xc0
[  260.628007][ T5518]  do_syscall_64+0x4c/0xa0
[  260.632566][ T5518]  ? clear_bhb_loop+0x30/0x80
[  260.637283][ T5518]  ? clear_bhb_loop+0x30/0x80
[  260.641993][ T5518]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.647916][ T5518] RIP: 0033:0x7f87f4c68f4a
[  260.652368][ T5518] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.672009][ T5518] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.680473][ T5518] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  260.688480][ T5518] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  260.696477][ T5518] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  260.704457][ T5518] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  260.712430][ T5518] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  260.720415][ T5518]  </TASK>
[  260.725362][ T5518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.738779][ T5518] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.113568][ T5520] loop1: detected capacity change from 0 to 32768
[  261.198733][ T5520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.206403][ T5520] CPU: 1 PID: 5520 Comm: syz.1.209 Not tainted syzkaller #0
[  261.213738][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  261.224309][ T5520] Call Trace:
[  261.227625][ T5520]  <TASK>
[  261.230594][ T5520]  dump_stack_lvl+0x188/0x250
[  261.235323][ T5520]  ? show_regs_print_info+0x20/0x20
[  261.240567][ T5520]  ? load_image+0x400/0x400
[  261.245125][ T5520]  sysfs_create_dir_ns+0x26a/0x290
[  261.250283][ T5520]  ? sysfs_warn_dup+0xa0/0xa0
[  261.255006][ T5520]  ? do_raw_spin_unlock+0x11d/0x230
[  261.260341][ T5520]  kobject_add_internal+0x6e0/0xd90
[  261.265592][ T5520]  kobject_init_and_add+0x128/0x190
[  261.270829][ T5520]  ? lockdep_softirqs_off+0x430/0x430
[  261.276244][ T5520]  ? kobject_add+0x230/0x230
[  261.280879][ T5520]  ? __init_swait_queue_head+0xa5/0x150
[  261.286470][ T5520]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.291287][ T5520]  ? gfs2_recover_set+0x240/0x240
[  261.296372][ T5520]  ? snprintf+0xe5/0x140
[  261.300657][ T5520]  ? __free_pages+0x95/0x1a0
[  261.305314][ T5520]  ? vscnprintf+0x80/0x80
[  261.309713][ T5520]  gfs2_fill_super+0x120f/0x1f00
[  261.314711][ T5520]  ? gfs2_reconfigure+0xd30/0xd30
[  261.319795][ T5520]  ? sb_set_blocksize+0xa5/0xe0
[  261.324681][ T5520]  get_tree_bdev+0x3f1/0x610
[  261.329306][ T5520]  ? gfs2_reconfigure+0xd30/0xd30
[  261.334543][ T5520]  gfs2_get_tree+0x4d/0x1e0
[  261.339096][ T5520]  vfs_get_tree+0x88/0x270
[  261.343557][ T5520]  do_new_mount+0x24a/0xa40
[  261.348201][ T5520]  __se_sys_mount+0x2e3/0x3d0
[  261.352927][ T5520]  ? __x64_sys_mount+0xc0/0xc0
[  261.357721][ T5520]  ? lockdep_hardirqs_on+0x94/0x140
[  261.362926][ T5520]  ? __x64_sys_mount+0x1c/0xc0
[  261.367727][ T5520]  do_syscall_64+0x4c/0xa0
[  261.372151][ T5520]  ? clear_bhb_loop+0x30/0x80
[  261.376863][ T5520]  ? clear_bhb_loop+0x30/0x80
[  261.381546][ T5520]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.387447][ T5520] RIP: 0033:0x7f87f4c68f4a
[  261.391867][ T5520] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.411498][ T5520] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.419928][ T5520] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  261.427913][ T5520] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  261.435887][ T5520] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  261.443859][ T5520] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  261.451832][ T5520] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  261.459821][ T5520]  </TASK>
[  261.463880][ T5520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.477206][ T5520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.861317][ T5522] loop1: detected capacity change from 0 to 32768
[  261.923082][ T5522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.931350][ T5522] CPU: 0 PID: 5522 Comm: syz.1.210 Not tainted syzkaller #0
[  261.938787][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  261.948877][ T5522] Call Trace:
[  261.952221][ T5522]  <TASK>
[  261.955185][ T5522]  dump_stack_lvl+0x188/0x250
[  261.959909][ T5522]  ? show_regs_print_info+0x20/0x20
[  261.965148][ T5522]  ? load_image+0x400/0x400
[  261.969697][ T5522]  sysfs_create_dir_ns+0x26a/0x290
[  261.974852][ T5522]  ? sysfs_warn_dup+0xa0/0xa0
[  261.979656][ T5522]  ? do_raw_spin_unlock+0x11d/0x230
[  261.984896][ T5522]  kobject_add_internal+0x6e0/0xd90
[  261.990136][ T5522]  kobject_init_and_add+0x128/0x190
[  261.995379][ T5522]  ? lockdep_softirqs_off+0x430/0x430
[  262.000798][ T5522]  ? kobject_add+0x230/0x230
[  262.005447][ T5522]  ? __init_swait_queue_head+0xa5/0x150
[  262.011034][ T5522]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.015835][ T5522]  ? gfs2_recover_set+0x240/0x240
[  262.020905][ T5522]  ? snprintf+0xe5/0x140
[  262.025181][ T5522]  ? __free_pages+0x95/0x1a0
[  262.029804][ T5522]  ? vscnprintf+0x80/0x80
[  262.034178][ T5522]  gfs2_fill_super+0x120f/0x1f00
[  262.039177][ T5522]  ? gfs2_reconfigure+0xd30/0xd30
[  262.044253][ T5522]  ? sb_set_blocksize+0xa5/0xe0
[  262.049277][ T5522]  get_tree_bdev+0x3f1/0x610
[  262.053906][ T5522]  ? gfs2_reconfigure+0xd30/0xd30
[  262.058974][ T5522]  gfs2_get_tree+0x4d/0x1e0
[  262.063521][ T5522]  vfs_get_tree+0x88/0x270
[  262.067975][ T5522]  do_new_mount+0x24a/0xa40
[  262.072556][ T5522]  __se_sys_mount+0x2e3/0x3d0
[  262.077316][ T5522]  ? __x64_sys_mount+0xc0/0xc0
[  262.082125][ T5522]  ? lockdep_hardirqs_on+0x94/0x140
[  262.087377][ T5522]  ? __x64_sys_mount+0x1c/0xc0
[  262.092180][ T5522]  do_syscall_64+0x4c/0xa0
[  262.096635][ T5522]  ? clear_bhb_loop+0x30/0x80
[  262.101339][ T5522]  ? clear_bhb_loop+0x30/0x80
[  262.106133][ T5522]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.112495][ T5522] RIP: 0033:0x7f87f4c68f4a
[  262.116948][ T5522] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.136592][ T5522] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.145050][ T5522] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  262.153062][ T5522] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  262.161062][ T5522] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  262.169070][ T5522] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  262.177088][ T5522] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  262.185111][ T5522]  </TASK>
[  262.193432][ T5522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.207005][ T5522] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:50:21 executed programs: 196
[  262.471614][ T5524] loop1: detected capacity change from 0 to 32768
[  262.548720][ T5524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.556330][ T5524] CPU: 1 PID: 5524 Comm: syz.1.211 Not tainted syzkaller #0
[  262.563654][ T5524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  262.573741][ T5524] Call Trace:
[  262.577048][ T5524]  <TASK>
[  262.580017][ T5524]  dump_stack_lvl+0x188/0x250
[  262.584746][ T5524]  ? show_regs_print_info+0x20/0x20
[  262.589994][ T5524]  ? load_image+0x400/0x400
[  262.594549][ T5524]  sysfs_create_dir_ns+0x26a/0x290
[  262.599706][ T5524]  ? sysfs_warn_dup+0xa0/0xa0
[  262.604424][ T5524]  ? do_raw_spin_unlock+0x11d/0x230
[  262.609669][ T5524]  kobject_add_internal+0x6e0/0xd90
[  262.614921][ T5524]  kobject_init_and_add+0x128/0x190
[  262.620159][ T5524]  ? lockdep_softirqs_off+0x430/0x430
[  262.625573][ T5524]  ? kobject_add+0x230/0x230
[  262.630204][ T5524]  ? __init_swait_queue_head+0xa5/0x150
[  262.635793][ T5524]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.640599][ T5524]  ? gfs2_recover_set+0x240/0x240
[  262.645660][ T5524]  ? snprintf+0xe5/0x140
[  262.649939][ T5524]  ? __free_pages+0x95/0x1a0
[  262.654567][ T5524]  ? vscnprintf+0x80/0x80
[  262.658938][ T5524]  gfs2_fill_super+0x120f/0x1f00
[  262.663929][ T5524]  ? gfs2_reconfigure+0xd30/0xd30
[  262.669110][ T5524]  ? sb_set_blocksize+0xa5/0xe0
[  262.674085][ T5524]  get_tree_bdev+0x3f1/0x610
[  262.678717][ T5524]  ? gfs2_reconfigure+0xd30/0xd30
[  262.683782][ T5524]  gfs2_get_tree+0x4d/0x1e0
[  262.688325][ T5524]  vfs_get_tree+0x88/0x270
[  262.692774][ T5524]  do_new_mount+0x24a/0xa40
[  262.697333][ T5524]  __se_sys_mount+0x2e3/0x3d0
[  262.702051][ T5524]  ? __x64_sys_mount+0xc0/0xc0
[  262.706850][ T5524]  ? lockdep_hardirqs_on+0x94/0x140
[  262.712063][ T5524]  ? __x64_sys_mount+0x1c/0xc0
[  262.716848][ T5524]  do_syscall_64+0x4c/0xa0
[  262.721269][ T5524]  ? clear_bhb_loop+0x30/0x80
[  262.725956][ T5524]  ? clear_bhb_loop+0x30/0x80
[  262.730644][ T5524]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.736564][ T5524] RIP: 0033:0x7f87f4c68f4a
[  262.740984][ T5524] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.760591][ T5524] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.769009][ T5524] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  262.776989][ T5524] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  262.784967][ T5524] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  262.792945][ T5524] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  262.800941][ T5524] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  262.808924][ T5524]  </TASK>
[  262.812976][ T5524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.826344][ T5524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.186063][ T5526] loop1: detected capacity change from 0 to 32768
[  263.298808][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.306406][ T5526] CPU: 1 PID: 5526 Comm: syz.1.212 Not tainted syzkaller #0
[  263.313733][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  263.323826][ T5526] Call Trace:
[  263.327149][ T5526]  <TASK>
[  263.330110][ T5526]  dump_stack_lvl+0x188/0x250
[  263.334932][ T5526]  ? show_regs_print_info+0x20/0x20
[  263.340201][ T5526]  ? load_image+0x400/0x400
[  263.344769][ T5526]  sysfs_create_dir_ns+0x26a/0x290
[  263.349924][ T5526]  ? sysfs_warn_dup+0xa0/0xa0
[  263.354635][ T5526]  ? do_raw_spin_unlock+0x11d/0x230
[  263.359878][ T5526]  kobject_add_internal+0x6e0/0xd90
[  263.365125][ T5526]  kobject_init_and_add+0x128/0x190
[  263.370397][ T5526]  ? lockdep_softirqs_off+0x430/0x430
[  263.375928][ T5526]  ? kobject_add+0x230/0x230
[  263.380734][ T5526]  ? __init_swait_queue_head+0xa5/0x150
[  263.386406][ T5526]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.391233][ T5526]  ? gfs2_recover_set+0x240/0x240
[  263.396296][ T5526]  ? snprintf+0xe5/0x140
[  263.400569][ T5526]  ? __free_pages+0x95/0x1a0
[  263.405206][ T5526]  ? vscnprintf+0x80/0x80
[  263.409583][ T5526]  gfs2_fill_super+0x120f/0x1f00
[  263.414593][ T5526]  ? gfs2_reconfigure+0xd30/0xd30
[  263.419671][ T5526]  ? sb_set_blocksize+0xa5/0xe0
[  263.424570][ T5526]  get_tree_bdev+0x3f1/0x610
[  263.429195][ T5526]  ? gfs2_reconfigure+0xd30/0xd30
[  263.434263][ T5526]  gfs2_get_tree+0x4d/0x1e0
[  263.438799][ T5526]  vfs_get_tree+0x88/0x270
[  263.443258][ T5526]  do_new_mount+0x24a/0xa40
[  263.447803][ T5526]  __se_sys_mount+0x2e3/0x3d0
[  263.452541][ T5526]  ? __x64_sys_mount+0xc0/0xc0
[  263.457337][ T5526]  ? lockdep_hardirqs_on+0x94/0x140
[  263.462543][ T5526]  ? __x64_sys_mount+0x1c/0xc0
[  263.467313][ T5526]  do_syscall_64+0x4c/0xa0
[  263.471737][ T5526]  ? clear_bhb_loop+0x30/0x80
[  263.476415][ T5526]  ? clear_bhb_loop+0x30/0x80
[  263.481107][ T5526]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.487002][ T5526] RIP: 0033:0x7f87f4c68f4a
[  263.491417][ T5526] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  263.511111][ T5526] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.519526][ T5526] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  263.527514][ T5526] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  263.535488][ T5526] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  263.543565][ T5526] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  263.551543][ T5526] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  263.559532][ T5526]  </TASK>
[  263.563770][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.577138][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.972502][ T5528] loop1: detected capacity change from 0 to 32768
[  263.990643][ T5528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.998211][ T5528] CPU: 0 PID: 5528 Comm: syz.1.213 Not tainted syzkaller #0
[  264.005539][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  264.015641][ T5528] Call Trace:
[  264.018953][ T5528]  <TASK>
[  264.021915][ T5528]  dump_stack_lvl+0x188/0x250
[  264.026632][ T5528]  ? show_regs_print_info+0x20/0x20
[  264.031868][ T5528]  ? load_image+0x400/0x400
[  264.036424][ T5528]  sysfs_create_dir_ns+0x26a/0x290
[  264.041567][ T5528]  ? sysfs_warn_dup+0xa0/0xa0
[  264.046324][ T5528]  ? do_raw_spin_unlock+0x11d/0x230
[  264.051563][ T5528]  kobject_add_internal+0x6e0/0xd90
[  264.056808][ T5528]  kobject_init_and_add+0x128/0x190
[  264.062046][ T5528]  ? lockdep_softirqs_off+0x430/0x430
[  264.067457][ T5528]  ? kobject_add+0x230/0x230
[  264.072089][ T5528]  ? __init_swait_queue_head+0xa5/0x150
[  264.077682][ T5528]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.082483][ T5528]  ? gfs2_recover_set+0x240/0x240
[  264.087558][ T5528]  ? snprintf+0xe5/0x140
[  264.091839][ T5528]  ? __free_pages+0x95/0x1a0
[  264.096473][ T5528]  ? vscnprintf+0x80/0x80
[  264.100847][ T5528]  gfs2_fill_super+0x120f/0x1f00
[  264.105850][ T5528]  ? gfs2_reconfigure+0xd30/0xd30
[  264.110934][ T5528]  ? sb_set_blocksize+0xa5/0xe0
[  264.115843][ T5528]  get_tree_bdev+0x3f1/0x610
[  264.120472][ T5528]  ? gfs2_reconfigure+0xd30/0xd30
[  264.125531][ T5528]  gfs2_get_tree+0x4d/0x1e0
[  264.130091][ T5528]  vfs_get_tree+0x88/0x270
[  264.134549][ T5528]  do_new_mount+0x24a/0xa40
[  264.139095][ T5528]  __se_sys_mount+0x2e3/0x3d0
[  264.143813][ T5528]  ? __x64_sys_mount+0xc0/0xc0
[  264.148611][ T5528]  ? lockdep_hardirqs_on+0x94/0x140
[  264.153844][ T5528]  ? __x64_sys_mount+0x1c/0xc0
[  264.158639][ T5528]  do_syscall_64+0x4c/0xa0
[  264.163089][ T5528]  ? clear_bhb_loop+0x30/0x80
[  264.167800][ T5528]  ? clear_bhb_loop+0x30/0x80
[  264.172532][ T5528]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.178463][ T5528] RIP: 0033:0x7f87f4c68f4a
[  264.182913][ T5528] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.202555][ T5528] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.211275][ T5528] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  264.219332][ T5528] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  264.227338][ T5528] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  264.235348][ T5528] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  264.243359][ T5528] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  264.251384][ T5528]  </TASK>
[  264.259792][ T5528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.273963][ T5528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.547022][ T5530] loop1: detected capacity change from 0 to 32768
[  264.595204][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.602748][ T5530] CPU: 0 PID: 5530 Comm: syz.1.214 Not tainted syzkaller #0
[  264.610170][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  264.620265][ T5530] Call Trace:
[  264.623578][ T5530]  <TASK>
[  264.626595][ T5530]  dump_stack_lvl+0x188/0x250
[  264.631319][ T5530]  ? show_regs_print_info+0x20/0x20
[  264.636566][ T5530]  ? load_image+0x400/0x400
[  264.641135][ T5530]  sysfs_create_dir_ns+0x26a/0x290
[  264.646287][ T5530]  ? sysfs_warn_dup+0xa0/0xa0
[  264.651007][ T5530]  ? do_raw_spin_unlock+0x11d/0x230
[  264.656245][ T5530]  kobject_add_internal+0x6e0/0xd90
[  264.661493][ T5530]  kobject_init_and_add+0x128/0x190
[  264.666730][ T5530]  ? lockdep_softirqs_off+0x430/0x430
[  264.672147][ T5530]  ? kobject_add+0x230/0x230
[  264.676773][ T5530]  ? __init_swait_queue_head+0xa5/0x150
[  264.682366][ T5530]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.687175][ T5530]  ? gfs2_recover_set+0x240/0x240
[  264.692240][ T5530]  ? snprintf+0xe5/0x140
[  264.696511][ T5530]  ? __free_pages+0x95/0x1a0
[  264.701147][ T5530]  ? vscnprintf+0x80/0x80
[  264.705520][ T5530]  gfs2_fill_super+0x120f/0x1f00
[  264.710506][ T5530]  ? gfs2_reconfigure+0xd30/0xd30
[  264.715582][ T5530]  ? sb_set_blocksize+0xa5/0xe0
[  264.720467][ T5530]  get_tree_bdev+0x3f1/0x610
[  264.725102][ T5530]  ? gfs2_reconfigure+0xd30/0xd30
[  264.730168][ T5530]  gfs2_get_tree+0x4d/0x1e0
[  264.734703][ T5530]  vfs_get_tree+0x88/0x270
[  264.739158][ T5530]  do_new_mount+0x24a/0xa40
[  264.743707][ T5530]  __se_sys_mount+0x2e3/0x3d0
[  264.748429][ T5530]  ? __x64_sys_mount+0xc0/0xc0
[  264.753246][ T5530]  ? lockdep_hardirqs_on+0x94/0x140
[  264.758491][ T5530]  ? __x64_sys_mount+0x1c/0xc0
[  264.763296][ T5530]  do_syscall_64+0x4c/0xa0
[  264.767742][ T5530]  ? clear_bhb_loop+0x30/0x80
[  264.772452][ T5530]  ? clear_bhb_loop+0x30/0x80
[  264.777167][ T5530]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.783098][ T5530] RIP: 0033:0x7f87f4c68f4a
[  264.787549][ T5530] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.807273][ T5530] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.815732][ T5530] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  264.823736][ T5530] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  264.831744][ T5530] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  264.839749][ T5530] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  264.847757][ T5530] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  264.855807][ T5530]  </TASK>
[  264.867824][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.881861][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.176064][ T5532] loop1: detected capacity change from 0 to 32768
[  265.222713][ T5532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.230915][ T5532] CPU: 1 PID: 5532 Comm: syz.1.215 Not tainted syzkaller #0
[  265.238260][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  265.248349][ T5532] Call Trace:
[  265.251661][ T5532]  <TASK>
[  265.254628][ T5532]  dump_stack_lvl+0x188/0x250
[  265.259356][ T5532]  ? show_regs_print_info+0x20/0x20
[  265.264607][ T5532]  ? load_image+0x400/0x400
[  265.269167][ T5532]  sysfs_create_dir_ns+0x26a/0x290
[  265.274325][ T5532]  ? sysfs_warn_dup+0xa0/0xa0
[  265.279039][ T5532]  ? do_raw_spin_unlock+0x11d/0x230
[  265.284279][ T5532]  kobject_add_internal+0x6e0/0xd90
[  265.289525][ T5532]  kobject_init_and_add+0x128/0x190
[  265.294764][ T5532]  ? lockdep_softirqs_off+0x430/0x430
[  265.300187][ T5532]  ? kobject_add+0x230/0x230
[  265.304864][ T5532]  ? __init_swait_queue_head+0xa5/0x150
[  265.310454][ T5532]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.315255][ T5532]  ? gfs2_recover_set+0x240/0x240
[  265.320313][ T5532]  ? snprintf+0xe5/0x140
[  265.324590][ T5532]  ? __free_pages+0x95/0x1a0
[  265.329222][ T5532]  ? vscnprintf+0x80/0x80
[  265.333599][ T5532]  gfs2_fill_super+0x120f/0x1f00
[  265.338588][ T5532]  ? gfs2_reconfigure+0xd30/0xd30
[  265.343753][ T5532]  ? sb_set_blocksize+0xa5/0xe0
[  265.348742][ T5532]  get_tree_bdev+0x3f1/0x610
[  265.353372][ T5532]  ? gfs2_reconfigure+0xd30/0xd30
[  265.358441][ T5532]  gfs2_get_tree+0x4d/0x1e0
[  265.362997][ T5532]  vfs_get_tree+0x88/0x270
[  265.367458][ T5532]  do_new_mount+0x24a/0xa40
[  265.372001][ T5532]  __se_sys_mount+0x2e3/0x3d0
[  265.376726][ T5532]  ? __x64_sys_mount+0xc0/0xc0
[  265.381529][ T5532]  ? lockdep_hardirqs_on+0x94/0x140
[  265.386754][ T5532]  ? __x64_sys_mount+0x1c/0xc0
[  265.391556][ T5532]  do_syscall_64+0x4c/0xa0
[  265.396010][ T5532]  ? clear_bhb_loop+0x30/0x80
[  265.400721][ T5532]  ? clear_bhb_loop+0x30/0x80
[  265.405434][ T5532]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.411366][ T5532] RIP: 0033:0x7f87f4c68f4a
[  265.415822][ T5532] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  265.435506][ T5532] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.443981][ T5532] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  265.452008][ T5532] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  265.460022][ T5532] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  265.468035][ T5532] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  265.476081][ T5532] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  265.484183][ T5532]  </TASK>
[  265.497915][ T5532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.511390][ T5532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.871938][ T5534] loop1: detected capacity change from 0 to 32768
[  265.932648][ T5534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.944094][ T5534] CPU: 0 PID: 5534 Comm: syz.1.216 Not tainted syzkaller #0
[  265.951445][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  265.961531][ T5534] Call Trace:
[  265.964830][ T5534]  <TASK>
[  265.967791][ T5534]  dump_stack_lvl+0x188/0x250
[  265.972550][ T5534]  ? show_regs_print_info+0x20/0x20
[  265.977778][ T5534]  ? load_image+0x400/0x400
[  265.982345][ T5534]  sysfs_create_dir_ns+0x26a/0x290
[  265.987487][ T5534]  ? sysfs_warn_dup+0xa0/0xa0
[  265.992192][ T5534]  ? do_raw_spin_unlock+0x11d/0x230
[  265.997426][ T5534]  kobject_add_internal+0x6e0/0xd90
[  266.002669][ T5534]  kobject_init_and_add+0x128/0x190
[  266.007891][ T5534]  ? lockdep_softirqs_off+0x430/0x430
[  266.013328][ T5534]  ? kobject_add+0x230/0x230
[  266.017951][ T5534]  ? __init_swait_queue_head+0xa5/0x150
[  266.023536][ T5534]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.028343][ T5534]  ? gfs2_recover_set+0x240/0x240
[  266.033418][ T5534]  ? snprintf+0xe5/0x140
[  266.037713][ T5534]  ? __free_pages+0x95/0x1a0
[  266.042354][ T5534]  ? vscnprintf+0x80/0x80
[  266.046732][ T5534]  gfs2_fill_super+0x120f/0x1f00
[  266.051723][ T5534]  ? gfs2_reconfigure+0xd30/0xd30
[  266.056803][ T5534]  ? sb_set_blocksize+0xa5/0xe0
[  266.061687][ T5534]  get_tree_bdev+0x3f1/0x610
[  266.066305][ T5534]  ? gfs2_reconfigure+0xd30/0xd30
[  266.071362][ T5534]  gfs2_get_tree+0x4d/0x1e0
[  266.075945][ T5534]  vfs_get_tree+0x88/0x270
[  266.080399][ T5534]  do_new_mount+0x24a/0xa40
[  266.084947][ T5534]  __se_sys_mount+0x2e3/0x3d0
[  266.089662][ T5534]  ? __x64_sys_mount+0xc0/0xc0
[  266.094546][ T5534]  ? lockdep_hardirqs_on+0x94/0x140
[  266.099767][ T5534]  ? __x64_sys_mount+0x1c/0xc0
[  266.104563][ T5534]  do_syscall_64+0x4c/0xa0
[  266.109019][ T5534]  ? clear_bhb_loop+0x30/0x80
[  266.113728][ T5534]  ? clear_bhb_loop+0x30/0x80
[  266.118440][ T5534]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.124400][ T5534] RIP: 0033:0x7f87f4c68f4a
[  266.128933][ T5534] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.148572][ T5534] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.157024][ T5534] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  266.165036][ T5534] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  266.173051][ T5534] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  266.181095][ T5534] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  266.189103][ T5534] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  266.197136][ T5534]  </TASK>
[  266.212554][ T5534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.231592][ T5534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.629505][ T5536] loop1: detected capacity change from 0 to 32768
[  266.662680][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.673323][ T5536] CPU: 0 PID: 5536 Comm: syz.1.217 Not tainted syzkaller #0
[  266.680674][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  266.690763][ T5536] Call Trace:
[  266.694070][ T5536]  <TASK>
[  266.697025][ T5536]  dump_stack_lvl+0x188/0x250
[  266.701746][ T5536]  ? show_regs_print_info+0x20/0x20
[  266.706997][ T5536]  ? load_image+0x400/0x400
[  266.711550][ T5536]  sysfs_create_dir_ns+0x26a/0x290
[  266.716701][ T5536]  ? sysfs_warn_dup+0xa0/0xa0
[  266.721414][ T5536]  ? do_raw_spin_unlock+0x11d/0x230
[  266.726658][ T5536]  kobject_add_internal+0x6e0/0xd90
[  266.731907][ T5536]  kobject_init_and_add+0x128/0x190
[  266.737143][ T5536]  ? lockdep_softirqs_off+0x430/0x430
[  266.742564][ T5536]  ? kobject_add+0x230/0x230
[  266.747198][ T5536]  ? __init_swait_queue_head+0xa5/0x150
[  266.752782][ T5536]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.757584][ T5536]  ? gfs2_recover_set+0x240/0x240
[  266.762642][ T5536]  ? snprintf+0xe5/0x140
[  266.766920][ T5536]  ? __free_pages+0x95/0x1a0
[  266.771577][ T5536]  ? vscnprintf+0x80/0x80
[  266.775948][ T5536]  gfs2_fill_super+0x120f/0x1f00
[  266.780951][ T5536]  ? gfs2_reconfigure+0xd30/0xd30
[  266.786028][ T5536]  ? sb_set_blocksize+0xa5/0xe0
[  266.790917][ T5536]  get_tree_bdev+0x3f1/0x610
[  266.795554][ T5536]  ? gfs2_reconfigure+0xd30/0xd30
[  266.800632][ T5536]  gfs2_get_tree+0x4d/0x1e0
[  266.805168][ T5536]  vfs_get_tree+0x88/0x270
[  266.809614][ T5536]  do_new_mount+0x24a/0xa40
[  266.814163][ T5536]  __se_sys_mount+0x2e3/0x3d0
[  266.818881][ T5536]  ? __x64_sys_mount+0xc0/0xc0
[  266.823679][ T5536]  ? lockdep_hardirqs_on+0x94/0x140
[  266.828906][ T5536]  ? __x64_sys_mount+0x1c/0xc0
[  266.833705][ T5536]  do_syscall_64+0x4c/0xa0
[  266.838147][ T5536]  ? clear_bhb_loop+0x30/0x80
[  266.842852][ T5536]  ? clear_bhb_loop+0x30/0x80
[  266.847661][ T5536]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.853590][ T5536] RIP: 0033:0x7f87f4c68f4a
[  266.858130][ T5536] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.877771][ T5536] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.886237][ T5536] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  266.894238][ T5536] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  266.902241][ T5536] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  266.910249][ T5536] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  266.918257][ T5536] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  266.926311][ T5536]  </TASK>
[  266.935396][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.948707][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.206459][ T5538] loop1: detected capacity change from 0 to 32768
[  267.288648][ T5538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.296306][ T5538] CPU: 1 PID: 5538 Comm: syz.1.218 Not tainted syzkaller #0
[  267.303627][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  267.313723][ T5538] Call Trace:
[  267.317040][ T5538]  <TASK>
[  267.320008][ T5538]  dump_stack_lvl+0x188/0x250
[  267.324741][ T5538]  ? show_regs_print_info+0x20/0x20
[  267.329982][ T5538]  ? load_image+0x400/0x400
[  267.334542][ T5538]  sysfs_create_dir_ns+0x26a/0x290
[  267.339690][ T5538]  ? sysfs_warn_dup+0xa0/0xa0
[  267.344401][ T5538]  ? do_raw_spin_unlock+0x11d/0x230
[  267.349656][ T5538]  kobject_add_internal+0x6e0/0xd90
[  267.355037][ T5538]  kobject_init_and_add+0x128/0x190
[  267.360304][ T5538]  ? lockdep_softirqs_off+0x430/0x430
[  267.365736][ T5538]  ? kobject_add+0x230/0x230
[  267.370373][ T5538]  ? __init_swait_queue_head+0xa5/0x150
[  267.375973][ T5538]  gfs2_sys_fs_add+0x24f/0x4b0
[  267.380785][ T5538]  ? gfs2_recover_set+0x240/0x240
[  267.385851][ T5538]  ? snprintf+0xe5/0x140
[  267.390152][ T5538]  ? __free_pages+0x95/0x1a0
[  267.394790][ T5538]  ? vscnprintf+0x80/0x80
[  267.399167][ T5538]  gfs2_fill_super+0x120f/0x1f00
[  267.404154][ T5538]  ? gfs2_reconfigure+0xd30/0xd30
[  267.409316][ T5538]  ? sb_set_blocksize+0xa5/0xe0
[  267.414202][ T5538]  get_tree_bdev+0x3f1/0x610
[  267.418862][ T5538]  ? gfs2_reconfigure+0xd30/0xd30
[  267.423937][ T5538]  gfs2_get_tree+0x4d/0x1e0
[  267.428480][ T5538]  vfs_get_tree+0x88/0x270
[  267.432935][ T5538]  do_new_mount+0x24a/0xa40
[  267.437504][ T5538]  __se_sys_mount+0x2e3/0x3d0
[  267.442262][ T5538]  ? __x64_sys_mount+0xc0/0xc0
[  267.447063][ T5538]  ? lockdep_hardirqs_on+0x94/0x140
[  267.452294][ T5538]  ? __x64_sys_mount+0x1c/0xc0
[  267.457077][ T5538]  do_syscall_64+0x4c/0xa0
[  267.461503][ T5538]  ? clear_bhb_loop+0x30/0x80
[  267.466183][ T5538]  ? clear_bhb_loop+0x30/0x80
[  267.470861][ T5538]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.476784][ T5538] RIP: 0033:0x7f87f4c68f4a
[  267.481302][ T5538] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.500954][ T5538] RSP: 002b:00007f87f42cae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.509461][ T5538] RAX: ffffffffffffffda RBX: 00007f87f42caee0 RCX: 00007f87f4c68f4a
[  267.517435][ T5538] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007f87f42caea0
[  267.525408][ T5538] RBP: 00002000000002c0 R08: 00007f87f42caee0 R09: 0000000000008c9b
[  267.533398][ T5538] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  267.541370][ T5538] R13: 00007f87f42caea0 R14: 0000000000012760 R15: 0000200000000400
[  267.549372][ T5538]  </TASK>
[  267.553263][ T5538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.567858][ T5538] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:50:26 executed programs: 204
[  267.794865][   T27] INFO: task syz-executor:4866 blocked for more than 143 seconds.
[  267.803011][   T27]       Not tainted syzkaller #0
[  267.808523][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  267.817453][   T27] task:syz-executor    state:D stack:22000 pid: 4866 ppid:     1 flags:0x00004004
[  267.827039][   T27] Call Trace:
[  267.830349][   T27]  <TASK>
[  267.833310][   T27]  __schedule+0x11ef/0x43c0
[  267.838313][   T27]  ? _raw_spin_lock_irqsave+0x8b/0x100
[  267.843858][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  267.849947][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  267.856157][   T27]  ? _raw_spin_unlock+0x40/0x40
[  267.861147][   T27]  ? release_firmware_map_entry+0x190/0x190
[  267.867401][   T27]  ? __mod_timer+0x91e/0xd00
[  267.872132][   T27]  schedule+0x11b/0x1e0
[  267.877636][   T27]  schedule_timeout+0x184/0x2d0
[  267.882621][   T27]  ? console_conditional_schedule+0x40/0x40
[  267.888900][   T27]  ? update_process_times+0x200/0x200
[  267.894479][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  267.900286][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  267.905730][   T27]  ? thaw_glock+0x150/0x150
[  267.910274][   T27]  ? gfs2_jindex_free+0x3de/0x450
[  267.915833][   T27]  ? init_wait_entry+0xd0/0xd0
[  267.920633][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  267.925537][   T27]  gfs2_put_super+0x769/0x7d0
[  267.930339][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  267.935859][   T27]  generic_shutdown_super+0x130/0x300
[  267.941335][   T27]  kill_block_super+0x7c/0xe0
[  267.946397][   T27]  deactivate_locked_super+0x93/0xf0
[  267.952472][   T27]  cleanup_mnt+0x42d/0x4e0
[  267.957203][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  267.962509][   T27]  task_work_run+0x125/0x1a0
[  267.969754][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  267.975455][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  267.981040][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  267.989722][   T27]  do_syscall_64+0x58/0xa0
[  267.994181][   T27]  ? clear_bhb_loop+0x30/0x80
[  267.999324][   T27]  ? clear_bhb_loop+0x30/0x80
[  268.004326][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.012862][   T27] RIP: 0033:0x7f7b0b89bf17
[  268.017557][   T27] RSP: 002b:00007ffdedc76be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  268.028519][   T27] RAX: 0000000000000000 RBX: 00007f7b0b90471f RCX: 00007f7b0b89bf17
[  268.036861][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdedc76ca0
[  268.047408][   T27] RBP: 00007ffdedc76ca0 R08: 00007ffdedc77ca0 R09: 00000000ffffffff
[  268.056565][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdedc77d30
[  268.064955][   T27] R13: 00007f7b0b90471f R14: 000000000001c57d R15: 00007ffdedc77d70
[  268.072992][   T27]  </TASK>
[  268.078633][   T27] 
[  268.078633][   T27] Showing all locks held in the system:
[  268.086861][   T27] 1 lock held by khungtaskd/27:
[  268.091751][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  268.104814][   T27] 2 locks held by getty/3950:
[  268.109538][   T27]  #0: ffff88814d381098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  268.122007][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  268.132500][   T27] 1 lock held by syz-executor/4866:
[  268.140171][   T27]  #0: ffff8880794340e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  268.150788][   T27] 2 locks held by syz.1.219/5540:
[  268.159243][   T27] 
[  268.161691][   T27] =============================================
[  268.161691][   T27] 
[  268.170609][   T27] NMI backtrace for cpu 0
[  268.174963][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  268.182231][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  268.192315][   T27] Call Trace:
[  268.195623][   T27]  <TASK>
[  268.198593][   T27]  dump_stack_lvl+0x188/0x250
[  268.203313][   T27]  ? show_regs_print_info+0x20/0x20
[  268.208548][   T27]  ? load_image+0x400/0x400
[  268.213101][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  268.218517][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  268.223670][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  268.228660][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  268.234857][   T27]  ? _printk+0xda/0x130
[  268.239256][   T27]  ? load_image+0x400/0x400
[  268.243795][   T27]  ? load_image+0x400/0x400
[  268.248338][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  268.254441][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  268.260458][   T27]  watchdog+0xe0f/0xe50
[  268.264660][   T27]  kthread+0x436/0x520
[  268.268754][   T27]  ? hungtask_pm_notify+0x40/0x40
[  268.273803][   T27]  ? kthread_blkcg+0xd0/0xd0
[  268.278421][   T27]  ret_from_fork+0x1f/0x30
[  268.282884][   T27]  </TASK>
[  268.286466][   T27] Sending NMI from CPU 0 to CPUs 1:
[  268.291701][    C1] NMI backtrace for cpu 1
[  268.291712][    C1] CPU: 1 PID: 5540 Comm: syz.1.219 Not tainted syzkaller #0
[  268.291729][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  268.291738][    C1] RIP: 0010:local_lock_acquire+0x1/0x170
[  268.291760][    C1] Code: 49 ff cf 4c 89 7c 24 08 48 8b 7c 24 08 48 c7 c6 20 36 33 8a e8 50 fd 09 00 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 <41> 57 41 56 53 48 89 fb e8 a2 16 d7 ff 49 bf 00 00 00 00 00 fc ff
[  268.291776][    C1] RSP: 0018:ffffc90004c9f8e0 EFLAGS: 00000286
[  268.291791][    C1] RAX: 1ffffffff17c6105 RBX: ffffea0001663880 RCX: ffff88802c1e1dc0
[  268.291810][    C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b9135578
[  268.291822][    C1] RBP: 0000000000000001 R08: ffffea00016638b7 R09: 1ffffd40002cc716
[  268.291833][    C1] R10: dffffc0000000000 R11: fffff940002cc717 R12: ffffea00016638b4
[  268.291847][    C1] R13: dffffc0000000000 R14: ffffea0001663888 R15: ffffffff8be30828
[  268.291860][    C1] FS:  00007f87f42cb6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[  268.291875][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  268.291888][    C1] CR2: 00007f87eceaa000 CR3: 0000000024e50000 CR4: 00000000003506e0
[  268.291903][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  268.291913][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  268.291924][    C1] Call Trace:
[  268.291929][    C1]  <TASK>
[  268.291935][    C1]  lru_cache_add+0x3bc/0x750
[  268.291953][    C1]  shmem_getpage_gfp+0x186b/0x2d40
[  268.291987][    C1]  shmem_write_begin+0xcd/0x1a0
[  268.292008][    C1]  generic_perform_write+0x2b6/0x550
[  268.292033][    C1]  ? grab_cache_page_write_begin+0xa0/0xa0
[  268.292050][    C1]  ? file_remove_privs+0x5d0/0x5d0
[  268.292074][    C1]  ? rwsem_write_trylock+0x135/0x1c0
[  268.292093][    C1]  ? clear_nonspinnable+0x60/0x60
[  268.292113][    C1]  __generic_file_write_iter+0x25f/0x4e0
[  268.292133][    C1]  generic_file_write_iter+0xa6/0x1b0
[  268.292151][    C1]  vfs_write+0x745/0xd60
[  268.292170][    C1]  ? file_end_write+0x250/0x250
[  268.292189][    C1]  ? __fget_files+0x40f/0x480
[  268.292209][    C1]  ? __fdget_pos+0x1e2/0x370
[  268.292224][    C1]  ? ksys_write+0x71/0x260
[  268.292241][    C1]  ksys_write+0x152/0x260
[  268.292257][    C1]  ? __ia32_sys_read+0x80/0x80
[  268.292275][    C1]  ? lockdep_hardirqs_on+0x94/0x140
[  268.292296][    C1]  do_syscall_64+0x4c/0xa0
[  268.292312][    C1]  ? clear_bhb_loop+0x30/0x80
[  268.292328][    C1]  ? clear_bhb_loop+0x30/0x80
[  268.292345][    C1]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.292362][    C1] RIP: 0033:0x7f87f4c2858e
[  268.292377][    C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[  268.292391][    C1] RSP: 002b:00007f87f42cada8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  268.292416][    C1] RAX: ffffffffffffffda RBX: 00007f87f42cb6c0 RCX: 00007f87f4c2858e
[  268.292428][    C1] RDX: 0000000001000000 RSI: 00007f87ebeab000 RDI: 0000000000000003
[  268.292440][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  268.292449][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  268.292459][    C1] R13: 00007f87f42caee0 R14: 00007f87f42caea0 R15: 00007f87ebeab000
[  268.292479][    C1]  </TASK>
[  268.305598][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  268.305615][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  268.305636][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  268.305649][   T27] Call Trace:
[  268.305658][   T27]  <TASK>
[  268.305667][   T27]  dump_stack_lvl+0x188/0x250
[  268.305699][   T27]  ? show_regs_print_info+0x20/0x20
[  268.305724][   T27]  ? load_image+0x400/0x400
[  268.305759][   T27]  panic+0x2e5/0x810
[  268.305782][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  268.305809][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  268.305832][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  268.305862][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  268.305893][   T27]  watchdog+0xe4e/0xe50
[  268.305925][   T27]  kthread+0x436/0x520
[  268.305944][   T27]  ? hungtask_pm_notify+0x40/0x40
[  268.305965][   T27]  ? kthread_blkcg+0xd0/0xd0
[  268.305988][   T27]  ret_from_fork+0x1f/0x30
[  268.306023][   T27]  </TASK>
[  268.306450][   T27] Kernel Offset: disabled
[  268.717014][   T27] Rebooting in 86400 seconds..