? sb_set_blocksize+0xa5/0xe0
[  212.376938][ T5459]  get_tree_bdev+0x3f1/0x610
[  212.381504][ T5459]  ? gfs2_reconfigure+0xd30/0xd30
[  212.386507][ T5459]  gfs2_get_tree+0x4d/0x1e0
[  212.390994][ T5459]  vfs_get_tree+0x88/0x270
[  212.395395][ T5459]  do_new_mount+0x24a/0xa40
[  212.399901][ T5459]  __se_sys_mount+0x2e3/0x3d0
[  212.404588][ T5459]  ? __x64_sys_mount+0xc0/0xc0
[  212.409351][ T5459]  ? lockdep_hardirqs_on+0x94/0x140
[  212.414531][ T5459]  ? __x64_sys_mount+0x1c/0xc0
[  212.419280][ T5459]  do_syscall_64+0x4c/0xa0
[  212.423669][ T5459]  ? clear_bhb_loop+0x30/0x80
[  212.428328][ T5459]  ? clear_bhb_loop+0x30/0x80
[  212.432978][ T5459]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  212.438848][ T5459] RIP: 0033:0x7efd29fdef4a
[  212.443239][ T5459] 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
[  212.462828][ T5459] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.471238][ T5459] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  212.479188][ T5459] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  212.487138][ T5459] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  212.495090][ T5459] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  212.503043][ T5459] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  212.511000][ T5459]  </TASK>
[  212.518502][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.532591][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.829637][ T5461] loop1: detected capacity change from 0 to 32768
[  212.925290][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.932911][ T5461] CPU: 1 PID: 5461 Comm: syz.1.177 Not tainted syzkaller #0
[  212.940197][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  212.950251][ T5461] Call Trace:
[  212.953529][ T5461]  <TASK>
[  212.956483][ T5461]  dump_stack_lvl+0x188/0x250
[  212.961172][ T5461]  ? show_regs_print_info+0x20/0x20
[  212.966394][ T5461]  ? load_image+0x400/0x400
[  212.971194][ T5461]  sysfs_create_dir_ns+0x26a/0x290
[  212.976329][ T5461]  ? sysfs_warn_dup+0xa0/0xa0
[  212.981023][ T5461]  ? do_raw_spin_unlock+0x11d/0x230
[  212.986241][ T5461]  kobject_add_internal+0x6e0/0xd90
[  212.991457][ T5461]  kobject_init_and_add+0x128/0x190
[  212.996648][ T5461]  ? lockdep_softirqs_off+0x430/0x430
[  213.002003][ T5461]  ? kobject_add+0x230/0x230
[  213.006579][ T5461]  ? __init_swait_queue_head+0xa5/0x150
[  213.012119][ T5461]  gfs2_sys_fs_add+0x24f/0x4b0
[  213.016884][ T5461]  ? gfs2_recover_set+0x240/0x240
[  213.021895][ T5461]  ? snprintf+0xe5/0x140
[  213.026146][ T5461]  ? __free_pages+0x95/0x1a0
[  213.030714][ T5461]  ? vscnprintf+0x80/0x80
[  213.035024][ T5461]  gfs2_fill_super+0x120f/0x1f00
[  213.039952][ T5461]  ? gfs2_reconfigure+0xd30/0xd30
[  213.044960][ T5461]  ? sb_set_blocksize+0xa5/0xe0
[  213.049789][ T5461]  get_tree_bdev+0x3f1/0x610
[  213.054357][ T5461]  ? gfs2_reconfigure+0xd30/0xd30
[  213.059359][ T5461]  gfs2_get_tree+0x4d/0x1e0
[  213.063842][ T5461]  vfs_get_tree+0x88/0x270
[  213.068237][ T5461]  do_new_mount+0x24a/0xa40
[  213.072725][ T5461]  __se_sys_mount+0x2e3/0x3d0
[  213.077382][ T5461]  ? __x64_sys_mount+0xc0/0xc0
[  213.082120][ T5461]  ? lockdep_hardirqs_on+0x94/0x140
[  213.087320][ T5461]  ? __x64_sys_mount+0x1c/0xc0
[  213.092062][ T5461]  do_syscall_64+0x4c/0xa0
[  213.096452][ T5461]  ? clear_bhb_loop+0x30/0x80
[  213.101196][ T5461]  ? clear_bhb_loop+0x30/0x80
[  213.105851][ T5461]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  213.111727][ T5461] RIP: 0033:0x7efd29fdef4a
[  213.116132][ T5461] 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
[  213.136052][ T5461] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.144452][ T5461] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  213.152406][ T5461] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  213.160361][ T5461] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  213.168317][ T5461] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  213.176282][ T5461] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  213.184251][ T5461]  </TASK>
[  213.188490][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.201668][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.536860][ T5463] loop1: detected capacity change from 0 to 32768
[  213.591554][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.599037][ T5463] CPU: 1 PID: 5463 Comm: syz.1.178 Not tainted syzkaller #0
[  213.606329][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  213.616401][ T5463] Call Trace:
[  213.619688][ T5463]  <TASK>
[  213.622621][ T5463]  dump_stack_lvl+0x188/0x250
[  213.627308][ T5463]  ? show_regs_print_info+0x20/0x20
[  213.632512][ T5463]  ? load_image+0x400/0x400
[  213.637039][ T5463]  sysfs_create_dir_ns+0x26a/0x290
[  213.642158][ T5463]  ? sysfs_warn_dup+0xa0/0xa0
[  213.646841][ T5463]  ? do_raw_spin_unlock+0x11d/0x230
[  213.652058][ T5463]  kobject_add_internal+0x6e0/0xd90
[  213.657261][ T5463]  kobject_init_and_add+0x128/0x190
[  213.662458][ T5463]  ? lockdep_softirqs_off+0x430/0x430
[  213.667811][ T5463]  ? kobject_add+0x230/0x230
[  213.672385][ T5463]  ? __init_swait_queue_head+0xa5/0x150
[  213.677930][ T5463]  gfs2_sys_fs_add+0x24f/0x4b0
[  213.682674][ T5463]  ? gfs2_recover_set+0x240/0x240
[  213.687675][ T5463]  ? snprintf+0xe5/0x140
[  213.691893][ T5463]  ? __free_pages+0x95/0x1a0
[  213.696461][ T5463]  ? vscnprintf+0x80/0x80
[  213.700772][ T5463]  gfs2_fill_super+0x120f/0x1f00
[  213.705810][ T5463]  ? gfs2_reconfigure+0xd30/0xd30
[  213.710819][ T5463]  ? sb_set_blocksize+0xa5/0xe0
[  213.715681][ T5463]  get_tree_bdev+0x3f1/0x610
[  213.720249][ T5463]  ? gfs2_reconfigure+0xd30/0xd30
[  213.725251][ T5463]  gfs2_get_tree+0x4d/0x1e0
[  213.729737][ T5463]  vfs_get_tree+0x88/0x270
[  213.734129][ T5463]  do_new_mount+0x24a/0xa40
[  213.738615][ T5463]  __se_sys_mount+0x2e3/0x3d0
[  213.743332][ T5463]  ? __x64_sys_mount+0xc0/0xc0
[  213.748085][ T5463]  ? lockdep_hardirqs_on+0x94/0x140
[  213.753263][ T5463]  ? __x64_sys_mount+0x1c/0xc0
[  213.758005][ T5463]  do_syscall_64+0x4c/0xa0
[  213.762400][ T5463]  ? clear_bhb_loop+0x30/0x80
[  213.767052][ T5463]  ? clear_bhb_loop+0x30/0x80
[  213.771792][ T5463]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  213.777667][ T5463] RIP: 0033:0x7efd29fdef4a
[  213.782065][ T5463] 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
[  213.801667][ T5463] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.810060][ T5463] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  213.818010][ T5463] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  213.825964][ T5463] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  213.833919][ T5463] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  213.841869][ T5463] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  213.849832][ T5463]  </TASK>
[  213.860511][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.873964][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.159287][ T5465] loop1: detected capacity change from 0 to 32768
[  214.207970][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.219829][ T5465] CPU: 0 PID: 5465 Comm: syz.1.179 Not tainted syzkaller #0
[  214.227149][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  214.237217][ T5465] Call Trace:
[  214.240504][ T5465]  <TASK>
[  214.243438][ T5465]  dump_stack_lvl+0x188/0x250
[  214.248127][ T5465]  ? show_regs_print_info+0x20/0x20
[  214.253334][ T5465]  ? load_image+0x400/0x400
[  214.257854][ T5465]  sysfs_create_dir_ns+0x26a/0x290
[  214.262979][ T5465]  ? sysfs_warn_dup+0xa0/0xa0
[  214.267695][ T5465]  ? do_raw_spin_unlock+0x11d/0x230
[  214.272903][ T5465]  kobject_add_internal+0x6e0/0xd90
[  214.278117][ T5465]  kobject_init_and_add+0x128/0x190
[  214.283319][ T5465]  ? lockdep_softirqs_off+0x430/0x430
[  214.288680][ T5465]  ? kobject_add+0x230/0x230
[  214.293249][ T5465]  ? __init_swait_queue_head+0xa5/0x150
[  214.298772][ T5465]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.303518][ T5465]  ? gfs2_recover_set+0x240/0x240
[  214.308523][ T5465]  ? snprintf+0xe5/0x140
[  214.312738][ T5465]  ? __free_pages+0x95/0x1a0
[  214.317305][ T5465]  ? vscnprintf+0x80/0x80
[  214.321633][ T5465]  gfs2_fill_super+0x120f/0x1f00
[  214.326668][ T5465]  ? gfs2_reconfigure+0xd30/0xd30
[  214.331693][ T5465]  ? sb_set_blocksize+0xa5/0xe0
[  214.336532][ T5465]  get_tree_bdev+0x3f1/0x610
[  214.341111][ T5465]  ? gfs2_reconfigure+0xd30/0xd30
[  214.346116][ T5465]  gfs2_get_tree+0x4d/0x1e0
[  214.350599][ T5465]  vfs_get_tree+0x88/0x270
[  214.354991][ T5465]  do_new_mount+0x24a/0xa40
[  214.359475][ T5465]  __se_sys_mount+0x2e3/0x3d0
[  214.364129][ T5465]  ? __x64_sys_mount+0xc0/0xc0
[  214.368867][ T5465]  ? lockdep_hardirqs_on+0x94/0x140
[  214.374041][ T5465]  ? __x64_sys_mount+0x1c/0xc0
[  214.378785][ T5465]  do_syscall_64+0x4c/0xa0
[  214.383177][ T5465]  ? clear_bhb_loop+0x30/0x80
[  214.387825][ T5465]  ? clear_bhb_loop+0x30/0x80
[  214.392476][ T5465]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.398371][ T5465] RIP: 0033:0x7efd29fdef4a
[  214.402760][ T5465] 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
[  214.422342][ T5465] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.430746][ T5465] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  214.438696][ T5465] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  214.446647][ T5465] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  214.454599][ T5465] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  214.462553][ T5465] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  214.470551][ T5465]  </TASK>
[  214.475296][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.488467][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:56:03 executed programs: 165
[  214.828975][ T5467] loop1: detected capacity change from 0 to 32768
[  214.875969][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.883429][ T5467] CPU: 0 PID: 5467 Comm: syz.1.180 Not tainted syzkaller #0
[  214.890715][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  214.900764][ T5467] Call Trace:
[  214.904043][ T5467]  <TASK>
[  214.906977][ T5467]  dump_stack_lvl+0x188/0x250
[  214.911666][ T5467]  ? show_regs_print_info+0x20/0x20
[  214.916873][ T5467]  ? load_image+0x400/0x400
[  214.921396][ T5467]  sysfs_create_dir_ns+0x26a/0x290
[  214.926517][ T5467]  ? sysfs_warn_dup+0xa0/0xa0
[  214.931208][ T5467]  ? do_raw_spin_unlock+0x11d/0x230
[  214.936414][ T5467]  kobject_add_internal+0x6e0/0xd90
[  214.941633][ T5467]  kobject_init_and_add+0x128/0x190
[  214.946844][ T5467]  ? lockdep_softirqs_off+0x430/0x430
[  214.952234][ T5467]  ? kobject_add+0x230/0x230
[  214.956833][ T5467]  ? __init_swait_queue_head+0xa5/0x150
[  214.962399][ T5467]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.967229][ T5467]  ? gfs2_recover_set+0x240/0x240
[  214.972268][ T5467]  ? snprintf+0xe5/0x140
[  214.976509][ T5467]  ? __free_pages+0x95/0x1a0
[  214.981092][ T5467]  ? vscnprintf+0x80/0x80
[  214.985412][ T5467]  gfs2_fill_super+0x120f/0x1f00
[  214.990334][ T5467]  ? gfs2_reconfigure+0xd30/0xd30
[  214.995353][ T5467]  ? sb_set_blocksize+0xa5/0xe0
[  215.000184][ T5467]  get_tree_bdev+0x3f1/0x610
[  215.004754][ T5467]  ? gfs2_reconfigure+0xd30/0xd30
[  215.009759][ T5467]  gfs2_get_tree+0x4d/0x1e0
[  215.014245][ T5467]  vfs_get_tree+0x88/0x270
[  215.018644][ T5467]  do_new_mount+0x24a/0xa40
[  215.023128][ T5467]  __se_sys_mount+0x2e3/0x3d0
[  215.027784][ T5467]  ? __x64_sys_mount+0xc0/0xc0
[  215.032531][ T5467]  ? lockdep_hardirqs_on+0x94/0x140
[  215.037706][ T5467]  ? __x64_sys_mount+0x1c/0xc0
[  215.042455][ T5467]  do_syscall_64+0x4c/0xa0
[  215.046861][ T5467]  ? clear_bhb_loop+0x30/0x80
[  215.051514][ T5467]  ? clear_bhb_loop+0x30/0x80
[  215.056171][ T5467]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.062050][ T5467] RIP: 0033:0x7efd29fdef4a
[  215.066467][ T5467] 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
[  215.086052][ T5467] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.094444][ T5467] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  215.102396][ T5467] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  215.110346][ T5467] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  215.118316][ T5467] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  215.126529][ T5467] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  215.134489][ T5467]  </TASK>
[  215.139080][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.152258][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.456035][ T5470] loop1: detected capacity change from 0 to 32768
[  215.516530][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.528193][ T5470] CPU: 1 PID: 5470 Comm: syz.1.181 Not tainted syzkaller #0
[  215.535507][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  215.545568][ T5470] Call Trace:
[  215.548847][ T5470]  <TASK>
[  215.551781][ T5470]  dump_stack_lvl+0x188/0x250
[  215.556475][ T5470]  ? show_regs_print_info+0x20/0x20
[  215.561686][ T5470]  ? load_image+0x400/0x400
[  215.566212][ T5470]  sysfs_create_dir_ns+0x26a/0x290
[  215.571333][ T5470]  ? sysfs_warn_dup+0xa0/0xa0
[  215.576012][ T5470]  ? do_raw_spin_unlock+0x11d/0x230
[  215.581221][ T5470]  kobject_add_internal+0x6e0/0xd90
[  215.586432][ T5470]  kobject_init_and_add+0x128/0x190
[  215.591651][ T5470]  ? lockdep_softirqs_off+0x430/0x430
[  215.597032][ T5470]  ? kobject_add+0x230/0x230
[  215.601616][ T5470]  ? __init_swait_queue_head+0xa5/0x150
[  215.607159][ T5470]  gfs2_sys_fs_add+0x24f/0x4b0
[  215.611901][ T5470]  ? gfs2_recover_set+0x240/0x240
[  215.616899][ T5470]  ? snprintf+0xe5/0x140
[  215.621120][ T5470]  ? __free_pages+0x95/0x1a0
[  215.625685][ T5470]  ? vscnprintf+0x80/0x80
[  215.630000][ T5470]  gfs2_fill_super+0x120f/0x1f00
[  215.634922][ T5470]  ? gfs2_reconfigure+0xd30/0xd30
[  215.639937][ T5470]  ? sb_set_blocksize+0xa5/0xe0
[  215.644763][ T5470]  get_tree_bdev+0x3f1/0x610
[  215.649334][ T5470]  ? gfs2_reconfigure+0xd30/0xd30
[  215.654362][ T5470]  gfs2_get_tree+0x4d/0x1e0
[  215.658841][ T5470]  vfs_get_tree+0x88/0x270
[  215.663233][ T5470]  do_new_mount+0x24a/0xa40
[  215.667717][ T5470]  __se_sys_mount+0x2e3/0x3d0
[  215.672376][ T5470]  ? __x64_sys_mount+0xc0/0xc0
[  215.677119][ T5470]  ? lockdep_hardirqs_on+0x94/0x140
[  215.682293][ T5470]  ? __x64_sys_mount+0x1c/0xc0
[  215.687048][ T5470]  do_syscall_64+0x4c/0xa0
[  215.691449][ T5470]  ? clear_bhb_loop+0x30/0x80
[  215.696106][ T5470]  ? clear_bhb_loop+0x30/0x80
[  215.700765][ T5470]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.706641][ T5470] RIP: 0033:0x7efd29fdef4a
[  215.711041][ 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
[  215.730624][ T5470] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.739018][ T5470] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  215.746980][ T5470] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  215.754954][ T5470] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  215.762914][ T5470] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  215.770866][ T5470] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  215.778831][ T5470]  </TASK>
[  215.783136][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.796321][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.095875][ T5473] loop1: detected capacity change from 0 to 32768
[  216.136634][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.144243][ T5473] CPU: 1 PID: 5473 Comm: syz.1.182 Not tainted syzkaller #0
[  216.151550][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  216.161618][ T5473] Call Trace:
[  216.164903][ T5473]  <TASK>
[  216.167837][ T5473]  dump_stack_lvl+0x188/0x250
[  216.172519][ T5473]  ? show_regs_print_info+0x20/0x20
[  216.177729][ T5473]  ? load_image+0x400/0x400
[  216.182258][ T5473]  sysfs_create_dir_ns+0x26a/0x290
[  216.187394][ T5473]  ? sysfs_warn_dup+0xa0/0xa0
[  216.192084][ T5473]  ? do_raw_spin_unlock+0x11d/0x230
[  216.197293][ T5473]  kobject_add_internal+0x6e0/0xd90
[  216.202506][ T5473]  kobject_init_and_add+0x128/0x190
[  216.207713][ T5473]  ? lockdep_softirqs_off+0x430/0x430
[  216.213092][ T5473]  ? kobject_add+0x230/0x230
[  216.217685][ T5473]  ? __init_swait_queue_head+0xa5/0x150
[  216.223223][ T5473]  gfs2_sys_fs_add+0x24f/0x4b0
[  216.227969][ T5473]  ? gfs2_recover_set+0x240/0x240
[  216.232969][ T5473]  ? snprintf+0xe5/0x140
[  216.237190][ T5473]  ? __free_pages+0x95/0x1a0
[  216.241757][ T5473]  ? vscnprintf+0x80/0x80
[  216.246069][ T5473]  gfs2_fill_super+0x120f/0x1f00
[  216.250990][ T5473]  ? gfs2_reconfigure+0xd30/0xd30
[  216.256004][ T5473]  ? sb_set_blocksize+0xa5/0xe0
[  216.260829][ T5473]  get_tree_bdev+0x3f1/0x610
[  216.265398][ T5473]  ? gfs2_reconfigure+0xd30/0xd30
[  216.270396][ T5473]  gfs2_get_tree+0x4d/0x1e0
[  216.274884][ T5473]  vfs_get_tree+0x88/0x270
[  216.279292][ T5473]  do_new_mount+0x24a/0xa40
[  216.283793][ T5473]  __se_sys_mount+0x2e3/0x3d0
[  216.288461][ T5473]  ? __x64_sys_mount+0xc0/0xc0
[  216.293211][ T5473]  ? lockdep_hardirqs_on+0x94/0x140
[  216.298391][ T5473]  ? __x64_sys_mount+0x1c/0xc0
[  216.303147][ T5473]  do_syscall_64+0x4c/0xa0
[  216.307552][ T5473]  ? clear_bhb_loop+0x30/0x80
[  216.312215][ T5473]  ? clear_bhb_loop+0x30/0x80
[  216.316913][ T5473]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.323135][ T5473] RIP: 0033:0x7efd29fdef4a
[  216.327530][ T5473] 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
[  216.347114][ T5473] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.355507][ T5473] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  216.363466][ T5473] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  216.371420][ T5473] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  216.379372][ T5473] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  216.387325][ T5473] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  216.395285][ T5473]  </TASK>
[  216.399133][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.412492][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.711749][ T5054] Bluetooth: hci0: command 0x0406 tx timeout
[  216.724426][ T5475] loop1: detected capacity change from 0 to 32768
[  216.781964][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.789456][ T5475] CPU: 0 PID: 5475 Comm: syz.1.183 Not tainted syzkaller #0
[  216.796752][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  216.806819][ T5475] Call Trace:
[  216.810102][ T5475]  <TASK>
[  216.813031][ T5475]  dump_stack_lvl+0x188/0x250
[  216.817727][ T5475]  ? show_regs_print_info+0x20/0x20
[  216.822942][ T5475]  ? load_image+0x400/0x400
[  216.827465][ T5475]  sysfs_create_dir_ns+0x26a/0x290
[  216.832592][ T5475]  ? sysfs_warn_dup+0xa0/0xa0
[  216.837277][ T5475]  ? do_raw_spin_unlock+0x11d/0x230
[  216.842486][ T5475]  kobject_add_internal+0x6e0/0xd90
[  216.847695][ T5475]  kobject_init_and_add+0x128/0x190
[  216.852905][ T5475]  ? lockdep_softirqs_off+0x430/0x430
[  216.858284][ T5475]  ? kobject_add+0x230/0x230
[  216.862858][ T5475]  ? __init_swait_queue_head+0xa5/0x150
[  216.868381][ T5475]  gfs2_sys_fs_add+0x24f/0x4b0
[  216.873121][ T5475]  ? gfs2_recover_set+0x240/0x240
[  216.878119][ T5475]  ? snprintf+0xe5/0x140
[  216.882334][ T5475]  ? __free_pages+0x95/0x1a0
[  216.886903][ T5475]  ? vscnprintf+0x80/0x80
[  216.891208][ T5475]  gfs2_fill_super+0x120f/0x1f00
[  216.896129][ T5475]  ? gfs2_reconfigure+0xd30/0xd30
[  216.901143][ T5475]  ? sb_set_blocksize+0xa5/0xe0
[  216.905972][ T5475]  get_tree_bdev+0x3f1/0x610
[  216.910577][ T5475]  ? gfs2_reconfigure+0xd30/0xd30
[  216.915599][ T5475]  gfs2_get_tree+0x4d/0x1e0
[  216.920094][ T5475]  vfs_get_tree+0x88/0x270
[  216.924517][ T5475]  do_new_mount+0x24a/0xa40
[  216.929001][ T5475]  __se_sys_mount+0x2e3/0x3d0
[  216.933654][ T5475]  ? __x64_sys_mount+0xc0/0xc0
[  216.938399][ T5475]  ? lockdep_hardirqs_on+0x94/0x140
[  216.943572][ T5475]  ? __x64_sys_mount+0x1c/0xc0
[  216.948314][ T5475]  do_syscall_64+0x4c/0xa0
[  216.952709][ T5475]  ? clear_bhb_loop+0x30/0x80
[  216.957378][ T5475]  ? clear_bhb_loop+0x30/0x80
[  216.962048][ T5475]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.967925][ T5475] RIP: 0033:0x7efd29fdef4a
[  216.972327][ T5475] 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
[  216.991938][ T5475] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.000350][ T5475] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  217.008307][ T5475] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  217.016260][ T5475] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  217.024212][ T5475] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  217.032166][ T5475] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  217.040136][ T5475]  </TASK>
[  217.045600][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.059055][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.371001][ T5478] loop1: detected capacity change from 0 to 32768
[  217.431927][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.439337][ T5478] CPU: 0 PID: 5478 Comm: syz.1.184 Not tainted syzkaller #0
[  217.446630][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  217.456693][ T5478] Call Trace:
[  217.459972][ T5478]  <TASK>
[  217.462904][ T5478]  dump_stack_lvl+0x188/0x250
[  217.467592][ T5478]  ? show_regs_print_info+0x20/0x20
[  217.472802][ T5478]  ? load_image+0x400/0x400
[  217.477320][ T5478]  sysfs_create_dir_ns+0x26a/0x290
[  217.482439][ T5478]  ? sysfs_warn_dup+0xa0/0xa0
[  217.487118][ T5478]  ? do_raw_spin_unlock+0x11d/0x230
[  217.492332][ T5478]  kobject_add_internal+0x6e0/0xd90
[  217.497540][ T5478]  kobject_init_and_add+0x128/0x190
[  217.502740][ T5478]  ? lockdep_softirqs_off+0x430/0x430
[  217.508113][ T5478]  ? kobject_add+0x230/0x230
[  217.512686][ T5478]  ? __init_swait_queue_head+0xa5/0x150
[  217.518213][ T5478]  gfs2_sys_fs_add+0x24f/0x4b0
[  217.522959][ T5478]  ? gfs2_recover_set+0x240/0x240
[  217.527974][ T5478]  ? snprintf+0xe5/0x140
[  217.532190][ T5478]  ? __free_pages+0x95/0x1a0
[  217.536759][ T5478]  ? vscnprintf+0x80/0x80
[  217.541068][ T5478]  gfs2_fill_super+0x120f/0x1f00
[  217.545994][ T5478]  ? gfs2_reconfigure+0xd30/0xd30
[  217.551003][ T5478]  ? sb_set_blocksize+0xa5/0xe0
[  217.555828][ T5478]  get_tree_bdev+0x3f1/0x610
[  217.560398][ T5478]  ? gfs2_reconfigure+0xd30/0xd30
[  217.565403][ T5478]  gfs2_get_tree+0x4d/0x1e0
[  217.569893][ T5478]  vfs_get_tree+0x88/0x270
[  217.574285][ T5478]  do_new_mount+0x24a/0xa40
[  217.578768][ T5478]  __se_sys_mount+0x2e3/0x3d0
[  217.583436][ T5478]  ? __x64_sys_mount+0xc0/0xc0
[  217.588278][ T5478]  ? lockdep_hardirqs_on+0x94/0x140
[  217.593451][ T5478]  ? __x64_sys_mount+0x1c/0xc0
[  217.598215][ T5478]  do_syscall_64+0x4c/0xa0
[  217.602611][ T5478]  ? clear_bhb_loop+0x30/0x80
[  217.607278][ T5478]  ? clear_bhb_loop+0x30/0x80
[  217.611935][ T5478]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.617820][ T5478] RIP: 0033:0x7efd29fdef4a
[  217.622220][ 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
[  217.641821][ T5478] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.650232][ T5478] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  217.658190][ T5478] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  217.666140][ T5478] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  217.674090][ T5478] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  217.682045][ T5478] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  217.690016][ T5478]  </TASK>
[  217.694943][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.708117][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.014109][ T5480] loop1: detected capacity change from 0 to 32768
[  218.044504][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.061702][ T5480] CPU: 0 PID: 5480 Comm: syz.1.185 Not tainted syzkaller #0
[  218.069017][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  218.079081][ T5480] Call Trace:
[  218.082369][ T5480]  <TASK>
[  218.085306][ T5480]  dump_stack_lvl+0x188/0x250
[  218.090363][ T5480]  ? show_regs_print_info+0x20/0x20
[  218.095572][ T5480]  ? load_image+0x400/0x400
[  218.100064][ T5480]  sysfs_create_dir_ns+0x26a/0x290
[  218.105157][ T5480]  ? sysfs_warn_dup+0xa0/0xa0
[  218.109813][ T5480]  ? do_raw_spin_unlock+0x11d/0x230
[  218.114988][ T5480]  kobject_add_internal+0x6e0/0xd90
[  218.120166][ T5480]  kobject_init_and_add+0x128/0x190
[  218.125345][ T5480]  ? lockdep_softirqs_off+0x430/0x430
[  218.130705][ T5480]  ? kobject_add+0x230/0x230
[  218.135273][ T5480]  ? __init_swait_queue_head+0xa5/0x150
[  218.140795][ T5480]  gfs2_sys_fs_add+0x24f/0x4b0
[  218.145536][ T5480]  ? gfs2_recover_set+0x240/0x240
[  218.150536][ T5480]  ? snprintf+0xe5/0x140
[  218.154754][ T5480]  ? __free_pages+0x95/0x1a0
[  218.159327][ T5480]  ? vscnprintf+0x80/0x80
[  218.163633][ T5480]  gfs2_fill_super+0x120f/0x1f00
[  218.168556][ T5480]  ? gfs2_reconfigure+0xd30/0xd30
[  218.173575][ T5480]  ? sb_set_blocksize+0xa5/0xe0
[  218.178410][ T5480]  get_tree_bdev+0x3f1/0x610
[  218.182974][ T5480]  ? gfs2_reconfigure+0xd30/0xd30
[  218.187978][ T5480]  gfs2_get_tree+0x4d/0x1e0
[  218.192463][ T5480]  vfs_get_tree+0x88/0x270
[  218.196853][ T5480]  do_new_mount+0x24a/0xa40
[  218.201332][ T5480]  __se_sys_mount+0x2e3/0x3d0
[  218.205985][ T5480]  ? __x64_sys_mount+0xc0/0xc0
[  218.210726][ T5480]  ? lockdep_hardirqs_on+0x94/0x140
[  218.215896][ T5480]  ? __x64_sys_mount+0x1c/0xc0
[  218.220639][ T5480]  do_syscall_64+0x4c/0xa0
[  218.225035][ T5480]  ? clear_bhb_loop+0x30/0x80
[  218.230098][ T5480]  ? clear_bhb_loop+0x30/0x80
[  218.234759][ T5480]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.240628][ T5480] RIP: 0033:0x7efd29fdef4a
[  218.245020][ 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
[  218.264601][ T5480] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.273093][ T5480] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  218.281055][ T5480] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  218.289005][ T5480] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  218.296951][ T5480] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  218.304896][ T5480] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  218.312852][ T5480]  </TASK>
[  218.317771][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.331071][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.625762][ T5484] loop1: detected capacity change from 0 to 32768
[  218.689972][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.697505][ T5484] CPU: 0 PID: 5484 Comm: syz.1.186 Not tainted syzkaller #0
[  218.704800][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  218.714866][ T5484] Call Trace:
[  218.718147][ T5484]  <TASK>
[  218.721073][ T5484]  dump_stack_lvl+0x188/0x250
[  218.725758][ T5484]  ? show_regs_print_info+0x20/0x20
[  218.730961][ T5484]  ? load_image+0x400/0x400
[  218.735487][ T5484]  sysfs_create_dir_ns+0x26a/0x290
[  218.740606][ T5484]  ? sysfs_warn_dup+0xa0/0xa0
[  218.745287][ T5484]  ? do_raw_spin_unlock+0x11d/0x230
[  218.750489][ T5484]  kobject_add_internal+0x6e0/0xd90
[  218.755711][ T5484]  kobject_init_and_add+0x128/0x190
[  218.760911][ T5484]  ? lockdep_softirqs_off+0x430/0x430
[  218.766288][ T5484]  ? kobject_add+0x230/0x230
[  218.770867][ T5484]  ? __init_swait_queue_head+0xa5/0x150
[  218.776483][ T5484]  gfs2_sys_fs_add+0x24f/0x4b0
[  218.781226][ T5484]  ? gfs2_recover_set+0x240/0x240
[  218.786226][ T5484]  ? snprintf+0xe5/0x140
[  218.790451][ T5484]  ? __free_pages+0x95/0x1a0
[  218.795018][ T5484]  ? vscnprintf+0x80/0x80
[  218.799327][ T5484]  gfs2_fill_super+0x120f/0x1f00
[  218.804252][ T5484]  ? gfs2_reconfigure+0xd30/0xd30
[  218.809262][ T5484]  ? sb_set_blocksize+0xa5/0xe0
[  218.814088][ T5484]  get_tree_bdev+0x3f1/0x610
[  218.818657][ T5484]  ? gfs2_reconfigure+0xd30/0xd30
[  218.823664][ T5484]  gfs2_get_tree+0x4d/0x1e0
[  218.828149][ T5484]  vfs_get_tree+0x88/0x270
[  218.832543][ T5484]  do_new_mount+0x24a/0xa40
[  218.837024][ T5484]  __se_sys_mount+0x2e3/0x3d0
[  218.841679][ T5484]  ? __x64_sys_mount+0xc0/0xc0
[  218.846424][ T5484]  ? lockdep_hardirqs_on+0x94/0x140
[  218.851601][ T5484]  ? __x64_sys_mount+0x1c/0xc0
[  218.856361][ T5484]  do_syscall_64+0x4c/0xa0
[  218.860755][ T5484]  ? clear_bhb_loop+0x30/0x80
[  218.865410][ T5484]  ? clear_bhb_loop+0x30/0x80
[  218.870062][ T5484]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.875931][ T5484] RIP: 0033:0x7efd29fdef4a
[  218.880327][ 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
[  218.899913][ T5484] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.908315][ T5484] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  218.916270][ T5484] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  218.924221][ T5484] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  218.932188][ T5484] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  218.940140][ T5484] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  218.948113][ T5484]  </TASK>
[  218.952798][ T5484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.965952][ T5484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.269507][ T5486] loop1: detected capacity change from 0 to 32768
[  219.324526][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.332083][ T5486] CPU: 0 PID: 5486 Comm: syz.1.187 Not tainted syzkaller #0
[  219.339380][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  219.349440][ T5486] Call Trace:
[  219.352726][ T5486]  <TASK>
[  219.355658][ T5486]  dump_stack_lvl+0x188/0x250
[  219.360352][ T5486]  ? show_regs_print_info+0x20/0x20
[  219.365563][ T5486]  ? load_image+0x400/0x400
[  219.370084][ T5486]  sysfs_create_dir_ns+0x26a/0x290
[  219.375199][ T5486]  ? sysfs_warn_dup+0xa0/0xa0
[  219.379883][ T5486]  ? do_raw_spin_unlock+0x11d/0x230
[  219.385090][ T5486]  kobject_add_internal+0x6e0/0xd90
[  219.390316][ T5486]  kobject_init_and_add+0x128/0x190
[  219.395519][ T5486]  ? lockdep_softirqs_off+0x430/0x430
[  219.400874][ T5486]  ? kobject_add+0x230/0x230
[  219.405444][ T5486]  ? __init_swait_queue_head+0xa5/0x150
[  219.410971][ T5486]  gfs2_sys_fs_add+0x24f/0x4b0
[  219.415714][ T5486]  ? gfs2_recover_set+0x240/0x240
[  219.420712][ T5486]  ? snprintf+0xe5/0x140
[  219.424931][ T5486]  ? __free_pages+0x95/0x1a0
[  219.429500][ T5486]  ? vscnprintf+0x80/0x80
[  219.433808][ T5486]  gfs2_fill_super+0x120f/0x1f00
[  219.438731][ T5486]  ? gfs2_reconfigure+0xd30/0xd30
[  219.443741][ T5486]  ? sb_set_blocksize+0xa5/0xe0
[  219.448569][ T5486]  get_tree_bdev+0x3f1/0x610
[  219.453138][ T5486]  ? gfs2_reconfigure+0xd30/0xd30
[  219.458145][ T5486]  gfs2_get_tree+0x4d/0x1e0
[  219.462635][ T5486]  vfs_get_tree+0x88/0x270
[  219.467032][ T5486]  do_new_mount+0x24a/0xa40
[  219.471517][ T5486]  __se_sys_mount+0x2e3/0x3d0
[  219.476170][ T5486]  ? __x64_sys_mount+0xc0/0xc0
[  219.480929][ T5486]  ? lockdep_hardirqs_on+0x94/0x140
[  219.486103][ T5486]  ? __x64_sys_mount+0x1c/0xc0
[  219.490933][ T5486]  do_syscall_64+0x4c/0xa0
[  219.495327][ T5486]  ? clear_bhb_loop+0x30/0x80
[  219.499977][ T5486]  ? clear_bhb_loop+0x30/0x80
[  219.504627][ T5486]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.510497][ T5486] RIP: 0033:0x7efd29fdef4a
[  219.514984][ 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
[  219.534587][ T5486] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.543000][ T5486] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  219.550949][ T5486] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  219.558901][ T5486] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  219.566855][ T5486] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  219.574815][ T5486] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  219.582798][ T5486]  </TASK>
[  219.587518][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.600728][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:56:08 executed programs: 173
[  219.930460][ T5489] loop1: detected capacity change from 0 to 32768
[  219.990941][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.998902][ T5489] CPU: 0 PID: 5489 Comm: syz.1.188 Not tainted syzkaller #0
[  220.006213][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  220.016368][ T5489] Call Trace:
[  220.019649][ T5489]  <TASK>
[  220.022578][ T5489]  dump_stack_lvl+0x188/0x250
[  220.027271][ T5489]  ? show_regs_print_info+0x20/0x20
[  220.032482][ T5489]  ? load_image+0x400/0x400
[  220.037004][ T5489]  sysfs_create_dir_ns+0x26a/0x290
[  220.042119][ T5489]  ? sysfs_warn_dup+0xa0/0xa0
[  220.046803][ T5489]  ? do_raw_spin_unlock+0x11d/0x230
[  220.052009][ T5489]  kobject_add_internal+0x6e0/0xd90
[  220.057223][ T5489]  kobject_init_and_add+0x128/0x190
[  220.062419][ T5489]  ? lockdep_softirqs_off+0x430/0x430
[  220.067782][ T5489]  ? kobject_add+0x230/0x230
[  220.072353][ T5489]  ? __init_swait_queue_head+0xa5/0x150
[  220.077973][ T5489]  gfs2_sys_fs_add+0x24f/0x4b0
[  220.082718][ T5489]  ? gfs2_recover_set+0x240/0x240
[  220.087746][ T5489]  ? snprintf+0xe5/0x140
[  220.092010][ T5489]  ? __free_pages+0x95/0x1a0
[  220.096599][ T5489]  ? vscnprintf+0x80/0x80
[  220.100924][ T5489]  gfs2_fill_super+0x120f/0x1f00
[  220.105850][ T5489]  ? gfs2_reconfigure+0xd30/0xd30
[  220.110859][ T5489]  ? sb_set_blocksize+0xa5/0xe0
[  220.115686][ T5489]  get_tree_bdev+0x3f1/0x610
[  220.120255][ T5489]  ? gfs2_reconfigure+0xd30/0xd30
[  220.125255][ T5489]  gfs2_get_tree+0x4d/0x1e0
[  220.129737][ T5489]  vfs_get_tree+0x88/0x270
[  220.134132][ T5489]  do_new_mount+0x24a/0xa40
[  220.138616][ T5489]  __se_sys_mount+0x2e3/0x3d0
[  220.143274][ T5489]  ? __x64_sys_mount+0xc0/0xc0
[  220.148015][ T5489]  ? lockdep_hardirqs_on+0x94/0x140
[  220.153189][ T5489]  ? __x64_sys_mount+0x1c/0xc0
[  220.157935][ T5489]  do_syscall_64+0x4c/0xa0
[  220.162326][ T5489]  ? clear_bhb_loop+0x30/0x80
[  220.166976][ T5489]  ? clear_bhb_loop+0x30/0x80
[  220.171627][ T5489]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.177497][ T5489] RIP: 0033:0x7efd29fdef4a
[  220.181891][ T5489] 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
[  220.201495][ T5489] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.209891][ T5489] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  220.217850][ T5489] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  220.225809][ T5489] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  220.233928][ T5489] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  220.241876][ T5489] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  220.249832][ T5489]  </TASK>
[  220.254448][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.267707][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.557667][ T5491] loop1: detected capacity change from 0 to 32768
[  220.610399][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.617927][ T5491] CPU: 0 PID: 5491 Comm: syz.1.189 Not tainted syzkaller #0
[  220.625222][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  220.635293][ T5491] Call Trace:
[  220.638573][ T5491]  <TASK>
[  220.641499][ T5491]  dump_stack_lvl+0x188/0x250
[  220.646185][ T5491]  ? show_regs_print_info+0x20/0x20
[  220.651486][ T5491]  ? load_image+0x400/0x400
[  220.656009][ T5491]  sysfs_create_dir_ns+0x26a/0x290
[  220.661129][ T5491]  ? sysfs_warn_dup+0xa0/0xa0
[  220.665807][ T5491]  ? do_raw_spin_unlock+0x11d/0x230
[  220.671010][ T5491]  kobject_add_internal+0x6e0/0xd90
[  220.676216][ T5491]  kobject_init_and_add+0x128/0x190
[  220.681425][ T5491]  ? lockdep_softirqs_off+0x430/0x430
[  220.686785][ T5491]  ? kobject_add+0x230/0x230
[  220.691360][ T5491]  ? __init_swait_queue_head+0xa5/0x150
[  220.696883][ T5491]  gfs2_sys_fs_add+0x24f/0x4b0
[  220.701635][ T5491]  ? gfs2_recover_set+0x240/0x240
[  220.706637][ T5491]  ? snprintf+0xe5/0x140
[  220.710852][ T5491]  ? __free_pages+0x95/0x1a0
[  220.715417][ T5491]  ? vscnprintf+0x80/0x80
[  220.719723][ T5491]  gfs2_fill_super+0x120f/0x1f00
[  220.724644][ T5491]  ? gfs2_reconfigure+0xd30/0xd30
[  220.729653][ T5491]  ? sb_set_blocksize+0xa5/0xe0
[  220.734478][ T5491]  get_tree_bdev+0x3f1/0x610
[  220.739044][ T5491]  ? gfs2_reconfigure+0xd30/0xd30
[  220.744042][ T5491]  gfs2_get_tree+0x4d/0x1e0
[  220.748522][ T5491]  vfs_get_tree+0x88/0x270
[  220.752915][ T5491]  do_new_mount+0x24a/0xa40
[  220.757401][ T5491]  __se_sys_mount+0x2e3/0x3d0
[  220.762054][ T5491]  ? __x64_sys_mount+0xc0/0xc0
[  220.766794][ T5491]  ? lockdep_hardirqs_on+0x94/0x140
[  220.771982][ T5491]  ? __x64_sys_mount+0x1c/0xc0
[  220.776742][ T5491]  do_syscall_64+0x4c/0xa0
[  220.781133][ T5491]  ? clear_bhb_loop+0x30/0x80
[  220.785787][ T5491]  ? clear_bhb_loop+0x30/0x80
[  220.790442][ T5491]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.796324][ T5491] RIP: 0033:0x7efd29fdef4a
[  220.800719][ T5491] 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
[  220.820744][ T5491] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.829144][ T5491] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  220.837097][ T5491] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  220.845046][ T5491] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  220.852994][ T5491] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  220.860961][ T5491] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  220.868915][ T5491]  </TASK>
[  220.873969][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.887119][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.192431][ T5493] loop1: detected capacity change from 0 to 32768
[  221.240462][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.247921][ T5493] CPU: 1 PID: 5493 Comm: syz.1.190 Not tainted syzkaller #0
[  221.255206][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  221.265266][ T5493] Call Trace:
[  221.268547][ T5493]  <TASK>
[  221.271473][ T5493]  dump_stack_lvl+0x188/0x250
[  221.276162][ T5493]  ? show_regs_print_info+0x20/0x20
[  221.281369][ T5493]  ? load_image+0x400/0x400
[  221.285886][ T5493]  sysfs_create_dir_ns+0x26a/0x290
[  221.290999][ T5493]  ? sysfs_warn_dup+0xa0/0xa0
[  221.295689][ T5493]  ? do_raw_spin_unlock+0x11d/0x230
[  221.300893][ T5493]  kobject_add_internal+0x6e0/0xd90
[  221.306112][ T5493]  kobject_init_and_add+0x128/0x190
[  221.311319][ T5493]  ? lockdep_softirqs_off+0x430/0x430
[  221.316675][ T5493]  ? kobject_add+0x230/0x230
[  221.321600][ T5493]  ? __init_swait_queue_head+0xa5/0x150
[  221.327138][ T5493]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.331883][ T5493]  ? gfs2_recover_set+0x240/0x240
[  221.336882][ T5493]  ? snprintf+0xe5/0x140
[  221.341096][ T5493]  ? __free_pages+0x95/0x1a0
[  221.345663][ T5493]  ? vscnprintf+0x80/0x80
[  221.349978][ T5493]  gfs2_fill_super+0x120f/0x1f00
[  221.354908][ T5493]  ? gfs2_reconfigure+0xd30/0xd30
[  221.359940][ T5493]  ? sb_set_blocksize+0xa5/0xe0
[  221.364776][ T5493]  get_tree_bdev+0x3f1/0x610
[  221.369346][ T5493]  ? gfs2_reconfigure+0xd30/0xd30
[  221.374346][ T5493]  gfs2_get_tree+0x4d/0x1e0
[  221.378825][ T5493]  vfs_get_tree+0x88/0x270
[  221.383219][ T5493]  do_new_mount+0x24a/0xa40
[  221.387703][ T5493]  __se_sys_mount+0x2e3/0x3d0
[  221.392355][ T5493]  ? __x64_sys_mount+0xc0/0xc0
[  221.397095][ T5493]  ? lockdep_hardirqs_on+0x94/0x140
[  221.402266][ T5493]  ? __x64_sys_mount+0x1c/0xc0
[  221.407005][ T5493]  do_syscall_64+0x4c/0xa0
[  221.411394][ T5493]  ? clear_bhb_loop+0x30/0x80
[  221.416219][ T5493]  ? clear_bhb_loop+0x30/0x80
[  221.420872][ T5493]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.426737][ T5493] RIP: 0033:0x7efd29fdef4a
[  221.431128][ T5493] 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
[  221.450715][ T5493] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.459219][ T5493] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  221.467167][ T5493] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  221.475118][ T5493] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  221.483071][ T5493] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  221.491014][ T5493] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  221.498968][ T5493]  </TASK>
[  221.502628][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.516022][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.839384][ T5495] loop1: detected capacity change from 0 to 32768
[  221.889998][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.897564][ T5495] CPU: 0 PID: 5495 Comm: syz.1.191 Not tainted syzkaller #0
[  221.904850][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  221.914910][ T5495] Call Trace:
[  221.918198][ T5495]  <TASK>
[  221.921130][ T5495]  dump_stack_lvl+0x188/0x250
[  221.925818][ T5495]  ? show_regs_print_info+0x20/0x20
[  221.931023][ T5495]  ? load_image+0x400/0x400
[  221.935544][ T5495]  sysfs_create_dir_ns+0x26a/0x290
[  221.940676][ T5495]  ? sysfs_warn_dup+0xa0/0xa0
[  221.945361][ T5495]  ? do_raw_spin_unlock+0x11d/0x230
[  221.950566][ T5495]  kobject_add_internal+0x6e0/0xd90
[  221.955776][ T5495]  kobject_init_and_add+0x128/0x190
[  221.960978][ T5495]  ? lockdep_softirqs_off+0x430/0x430
[  221.966359][ T5495]  ? kobject_add+0x230/0x230
[  221.970958][ T5495]  ? __init_swait_queue_head+0xa5/0x150
[  221.976508][ T5495]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.981259][ T5495]  ? gfs2_recover_set+0x240/0x240
[  221.986261][ T5495]  ? snprintf+0xe5/0x140
[  221.990479][ T5495]  ? __free_pages+0x95/0x1a0
[  221.995047][ T5495]  ? vscnprintf+0x80/0x80
[  221.999371][ T5495]  gfs2_fill_super+0x120f/0x1f00
[  222.004293][ T5495]  ? gfs2_reconfigure+0xd30/0xd30
[  222.009303][ T5495]  ? sb_set_blocksize+0xa5/0xe0
[  222.014129][ T5495]  get_tree_bdev+0x3f1/0x610
[  222.018699][ T5495]  ? gfs2_reconfigure+0xd30/0xd30
[  222.023706][ T5495]  gfs2_get_tree+0x4d/0x1e0
[  222.028188][ T5495]  vfs_get_tree+0x88/0x270
[  222.032584][ T5495]  do_new_mount+0x24a/0xa40
[  222.037066][ T5495]  __se_sys_mount+0x2e3/0x3d0
[  222.041718][ T5495]  ? __x64_sys_mount+0xc0/0xc0
[  222.046460][ T5495]  ? lockdep_hardirqs_on+0x94/0x140
[  222.051637][ T5495]  ? __x64_sys_mount+0x1c/0xc0
[  222.056390][ T5495]  do_syscall_64+0x4c/0xa0
[  222.060781][ T5495]  ? clear_bhb_loop+0x30/0x80
[  222.065431][ T5495]  ? clear_bhb_loop+0x30/0x80
[  222.070087][ T5495]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.075953][ T5495] RIP: 0033:0x7efd29fdef4a
[  222.080345][ T5495] 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
[  222.099925][ T5495] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.108320][ T5495] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  222.116273][ T5495] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  222.124224][ T5495] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  222.132212][ T5495] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  222.140176][ T5495] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  222.148237][ T5495]  </TASK>
[  222.153054][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.166447][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.489784][ T5497] loop1: detected capacity change from 0 to 32768
[  222.539604][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.547114][ T5497] CPU: 1 PID: 5497 Comm: syz.1.192 Not tainted syzkaller #0
[  222.554406][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  222.564472][ T5497] Call Trace:
[  222.567772][ T5497]  <TASK>
[  222.570708][ T5497]  dump_stack_lvl+0x188/0x250
[  222.575405][ T5497]  ? show_regs_print_info+0x20/0x20
[  222.580614][ T5497]  ? load_image+0x400/0x400
[  222.585145][ T5497]  sysfs_create_dir_ns+0x26a/0x290
[  222.590271][ T5497]  ? sysfs_warn_dup+0xa0/0xa0
[  222.594963][ T5497]  ? do_raw_spin_unlock+0x11d/0x230
[  222.600171][ T5497]  kobject_add_internal+0x6e0/0xd90
[  222.605391][ T5497]  kobject_init_and_add+0x128/0x190
[  222.610604][ T5497]  ? lockdep_softirqs_off+0x430/0x430
[  222.615985][ T5497]  ? kobject_add+0x230/0x230
[  222.620584][ T5497]  ? __init_swait_queue_head+0xa5/0x150
[  222.626142][ T5497]  gfs2_sys_fs_add+0x24f/0x4b0
[  222.630892][ T5497]  ? gfs2_recover_set+0x240/0x240
[  222.635897][ T5497]  ? snprintf+0xe5/0x140
[  222.640118][ T5497]  ? __free_pages+0x95/0x1a0
[  222.644692][ T5497]  ? vscnprintf+0x80/0x80
[  222.648999][ T5497]  gfs2_fill_super+0x120f/0x1f00
[  222.653950][ T5497]  ? gfs2_reconfigure+0xd30/0xd30
[  222.658977][ T5497]  ? sb_set_blocksize+0xa5/0xe0
[  222.663810][ T5497]  get_tree_bdev+0x3f1/0x610
[  222.668379][ T5497]  ? gfs2_reconfigure+0xd30/0xd30
[  222.673508][ T5497]  gfs2_get_tree+0x4d/0x1e0
[  222.677989][ T5497]  vfs_get_tree+0x88/0x270
[  222.682380][ T5497]  do_new_mount+0x24a/0xa40
[  222.686861][ T5497]  __se_sys_mount+0x2e3/0x3d0
[  222.691514][ T5497]  ? __x64_sys_mount+0xc0/0xc0
[  222.696253][ T5497]  ? lockdep_hardirqs_on+0x94/0x140
[  222.701430][ T5497]  ? __x64_sys_mount+0x1c/0xc0
[  222.706170][ T5497]  do_syscall_64+0x4c/0xa0
[  222.710580][ T5497]  ? clear_bhb_loop+0x30/0x80
[  222.715266][ T5497]  ? clear_bhb_loop+0x30/0x80
[  222.719919][ T5497]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.725787][ T5497] RIP: 0033:0x7efd29fdef4a
[  222.730181][ T5497] 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
[  222.749764][ T5497] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.758161][ T5497] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  222.766113][ T5497] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  222.774061][ T5497] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  222.782010][ T5497] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  222.789956][ T5497] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  222.797913][ T5497]  </TASK>
[  222.801727][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.814865][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.129131][ T5499] loop1: detected capacity change from 0 to 32768
[  223.200956][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.208539][ T5499] CPU: 0 PID: 5499 Comm: syz.1.193 Not tainted syzkaller #0
[  223.215837][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  223.225902][ T5499] Call Trace:
[  223.229187][ T5499]  <TASK>
[  223.232125][ T5499]  dump_stack_lvl+0x188/0x250
[  223.236817][ T5499]  ? show_regs_print_info+0x20/0x20
[  223.242021][ T5499]  ? load_image+0x400/0x400
[  223.246541][ T5499]  sysfs_create_dir_ns+0x26a/0x290
[  223.251667][ T5499]  ? sysfs_warn_dup+0xa0/0xa0
[  223.256349][ T5499]  ? do_raw_spin_unlock+0x11d/0x230
[  223.261554][ T5499]  kobject_add_internal+0x6e0/0xd90
[  223.266759][ T5499]  kobject_init_and_add+0x128/0x190
[  223.271969][ T5499]  ? lockdep_softirqs_off+0x430/0x430
[  223.277354][ T5499]  ? kobject_add+0x230/0x230
[  223.281948][ T5499]  ? __init_swait_queue_head+0xa5/0x150
[  223.287493][ T5499]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.292242][ T5499]  ? gfs2_recover_set+0x240/0x240
[  223.297246][ T5499]  ? snprintf+0xe5/0x140
[  223.301469][ T5499]  ? __free_pages+0x95/0x1a0
[  223.306040][ T5499]  ? vscnprintf+0x80/0x80
[  223.310352][ T5499]  gfs2_fill_super+0x120f/0x1f00
[  223.315278][ T5499]  ? gfs2_reconfigure+0xd30/0xd30
[  223.320298][ T5499]  ? sb_set_blocksize+0xa5/0xe0
[  223.325129][ T5499]  get_tree_bdev+0x3f1/0x610
[  223.329723][ T5499]  ? gfs2_reconfigure+0xd30/0xd30
[  223.334726][ T5499]  gfs2_get_tree+0x4d/0x1e0
[  223.339209][ T5499]  vfs_get_tree+0x88/0x270
[  223.343599][ T5499]  do_new_mount+0x24a/0xa40
[  223.348086][ T5499]  __se_sys_mount+0x2e3/0x3d0
[  223.352748][ T5499]  ? __x64_sys_mount+0xc0/0xc0
[  223.357493][ T5499]  ? lockdep_hardirqs_on+0x94/0x140
[  223.362679][ T5499]  ? __x64_sys_mount+0x1c/0xc0
[  223.367440][ T5499]  do_syscall_64+0x4c/0xa0
[  223.371834][ T5499]  ? clear_bhb_loop+0x30/0x80
[  223.376487][ T5499]  ? clear_bhb_loop+0x30/0x80
[  223.381228][ T5499]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.387096][ T5499] RIP: 0033:0x7efd29fdef4a
[  223.391488][ T5499] 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
[  223.411068][ T5499] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.419465][ T5499] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  223.427421][ T5499] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  223.435369][ T5499] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  223.443316][ T5499] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  223.451264][ T5499] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  223.459223][ T5499]  </TASK>
[  223.467037][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.480244][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.780580][ T5501] loop1: detected capacity change from 0 to 32768
[  223.849935][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.857491][ T5501] CPU: 1 PID: 5501 Comm: syz.1.194 Not tainted syzkaller #0
[  223.864873][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  223.874946][ T5501] Call Trace:
[  223.878232][ T5501]  <TASK>
[  223.881171][ T5501]  dump_stack_lvl+0x188/0x250
[  223.885914][ T5501]  ? show_regs_print_info+0x20/0x20
[  223.891129][ T5501]  ? load_image+0x400/0x400
[  223.895652][ T5501]  sysfs_create_dir_ns+0x26a/0x290
[  223.900775][ T5501]  ? sysfs_warn_dup+0xa0/0xa0
[  223.905474][ T5501]  ? do_raw_spin_unlock+0x11d/0x230
[  223.910680][ T5501]  kobject_add_internal+0x6e0/0xd90
[  223.915898][ T5501]  kobject_init_and_add+0x128/0x190
[  223.921107][ T5501]  ? lockdep_softirqs_off+0x430/0x430
[  223.926501][ T5501]  ? kobject_add+0x230/0x230
[  223.931186][ T5501]  ? __init_swait_queue_head+0xa5/0x150
[  223.936731][ T5501]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.941475][ T5501]  ? gfs2_recover_set+0x240/0x240
[  223.946473][ T5501]  ? snprintf+0xe5/0x140
[  223.950690][ T5501]  ? __free_pages+0x95/0x1a0
[  223.955259][ T5501]  ? vscnprintf+0x80/0x80
[  223.959567][ T5501]  gfs2_fill_super+0x120f/0x1f00
[  223.964496][ T5501]  ? gfs2_reconfigure+0xd30/0xd30
[  223.969505][ T5501]  ? sb_set_blocksize+0xa5/0xe0
[  223.974332][ T5501]  get_tree_bdev+0x3f1/0x610
[  223.978901][ T5501]  ? gfs2_reconfigure+0xd30/0xd30
[  223.983900][ T5501]  gfs2_get_tree+0x4d/0x1e0
[  223.988380][ T5501]  vfs_get_tree+0x88/0x270
[  223.992782][ T5501]  do_new_mount+0x24a/0xa40
[  223.997288][ T5501]  __se_sys_mount+0x2e3/0x3d0
[  224.001946][ T5501]  ? __x64_sys_mount+0xc0/0xc0
[  224.006687][ T5501]  ? lockdep_hardirqs_on+0x94/0x140
[  224.011867][ T5501]  ? __x64_sys_mount+0x1c/0xc0
[  224.016625][ T5501]  do_syscall_64+0x4c/0xa0
[  224.021019][ T5501]  ? clear_bhb_loop+0x30/0x80
[  224.025668][ T5501]  ? clear_bhb_loop+0x30/0x80
[  224.030317][ T5501]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.036268][ T5501] RIP: 0033:0x7efd29fdef4a
[  224.040660][ T5501] 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
[  224.060238][ T5501] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.068648][ T5501] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  224.076606][ T5501] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  224.084555][ T5501] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  224.092505][ T5501] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  224.100463][ T5501] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  224.108421][ T5501]  </TASK>
[  224.112324][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.125672][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.434489][ T5503] loop1: detected capacity change from 0 to 32768
[  224.479757][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.487343][ T5503] CPU: 0 PID: 5503 Comm: syz.1.195 Not tainted syzkaller #0
[  224.494629][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  224.504687][ T5503] Call Trace:
[  224.507975][ T5503]  <TASK>
[  224.510922][ T5503]  dump_stack_lvl+0x188/0x250
[  224.515612][ T5503]  ? show_regs_print_info+0x20/0x20
[  224.520809][ T5503]  ? load_image+0x400/0x400
[  224.525324][ T5503]  sysfs_create_dir_ns+0x26a/0x290
[  224.530454][ T5503]  ? sysfs_warn_dup+0xa0/0xa0
[  224.535138][ T5503]  ? do_raw_spin_unlock+0x11d/0x230
[  224.540343][ T5503]  kobject_add_internal+0x6e0/0xd90
[  224.545552][ T5503]  kobject_init_and_add+0x128/0x190
[  224.550759][ T5503]  ? lockdep_softirqs_off+0x430/0x430
[  224.556141][ T5503]  ? kobject_add+0x230/0x230
[  224.560733][ T5503]  ? __init_swait_queue_head+0xa5/0x150
[  224.566265][ T5503]  gfs2_sys_fs_add+0x24f/0x4b0
[  224.571026][ T5503]  ? gfs2_recover_set+0x240/0x240
[  224.576033][ T5503]  ? snprintf+0xe5/0x140
[  224.580256][ T5503]  ? __free_pages+0x95/0x1a0
[  224.584822][ T5503]  ? vscnprintf+0x80/0x80
[  224.589131][ T5503]  gfs2_fill_super+0x120f/0x1f00
[  224.594054][ T5503]  ? gfs2_reconfigure+0xd30/0xd30
[  224.599066][ T5503]  ? sb_set_blocksize+0xa5/0xe0
[  224.603900][ T5503]  get_tree_bdev+0x3f1/0x610
[  224.608474][ T5503]  ? gfs2_reconfigure+0xd30/0xd30
[  224.613473][ T5503]  gfs2_get_tree+0x4d/0x1e0
[  224.617953][ T5503]  vfs_get_tree+0x88/0x270
[  224.622344][ T5503]  do_new_mount+0x24a/0xa40
[  224.626826][ T5503]  __se_sys_mount+0x2e3/0x3d0
[  224.631478][ T5503]  ? __x64_sys_mount+0xc0/0xc0
[  224.636217][ T5503]  ? lockdep_hardirqs_on+0x94/0x140
[  224.641389][ T5503]  ? __x64_sys_mount+0x1c/0xc0
[  224.646147][ T5503]  do_syscall_64+0x4c/0xa0
[  224.650645][ T5503]  ? clear_bhb_loop+0x30/0x80
[  224.655296][ T5503]  ? clear_bhb_loop+0x30/0x80
[  224.659949][ T5503]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.665814][ T5503] RIP: 0033:0x7efd29fdef4a
[  224.670209][ T5503] 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
[  224.689793][ T5503] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.698191][ T5503] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  224.706142][ T5503] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  224.714102][ T5503] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  224.722063][ T5503] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  224.730065][ T5503] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  224.738035][ T5503]  </TASK>
[  224.742712][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.755871][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:56:13 executed programs: 181
[  225.066477][ T5505] loop1: detected capacity change from 0 to 32768
[  225.125873][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.134142][ T5505] CPU: 1 PID: 5505 Comm: syz.1.196 Not tainted syzkaller #0
[  225.141443][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  225.151503][ T5505] Call Trace:
[  225.154788][ T5505]  <TASK>
[  225.157714][ T5505]  dump_stack_lvl+0x188/0x250
[  225.162400][ T5505]  ? show_regs_print_info+0x20/0x20
[  225.167600][ T5505]  ? load_image+0x400/0x400
[  225.172092][ T5505]  sysfs_create_dir_ns+0x26a/0x290
[  225.177182][ T5505]  ? sysfs_warn_dup+0xa0/0xa0
[  225.181840][ T5505]  ? do_raw_spin_unlock+0x11d/0x230
[  225.187032][ T5505]  kobject_add_internal+0x6e0/0xd90
[  225.192240][ T5505]  kobject_init_and_add+0x128/0x190
[  225.197419][ T5505]  ? lockdep_softirqs_off+0x430/0x430
[  225.202776][ T5505]  ? kobject_add+0x230/0x230
[  225.207362][ T5505]  ? __init_swait_queue_head+0xa5/0x150
[  225.212885][ T5505]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.217717][ T5505]  ? gfs2_recover_set+0x240/0x240
[  225.222724][ T5505]  ? snprintf+0xe5/0x140
[  225.226953][ T5505]  ? __free_pages+0x95/0x1a0
[  225.231871][ T5505]  ? vscnprintf+0x80/0x80
[  225.236182][ T5505]  gfs2_fill_super+0x120f/0x1f00
[  225.241116][ T5505]  ? gfs2_reconfigure+0xd30/0xd30
[  225.246124][ T5505]  ? sb_set_blocksize+0xa5/0xe0
[  225.250960][ T5505]  get_tree_bdev+0x3f1/0x610
[  225.255531][ T5505]  ? gfs2_reconfigure+0xd30/0xd30
[  225.260547][ T5505]  gfs2_get_tree+0x4d/0x1e0
[  225.265027][ T5505]  vfs_get_tree+0x88/0x270
[  225.269422][ T5505]  do_new_mount+0x24a/0xa40
[  225.273905][ T5505]  __se_sys_mount+0x2e3/0x3d0
[  225.278566][ T5505]  ? __x64_sys_mount+0xc0/0xc0
[  225.283314][ T5505]  ? lockdep_hardirqs_on+0x94/0x140
[  225.288506][ T5505]  ? __x64_sys_mount+0x1c/0xc0
[  225.293249][ T5505]  do_syscall_64+0x4c/0xa0
[  225.297644][ T5505]  ? clear_bhb_loop+0x30/0x80
[  225.302308][ T5505]  ? clear_bhb_loop+0x30/0x80
[  225.306975][ T5505]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.312843][ T5505] RIP: 0033:0x7efd29fdef4a
[  225.317241][ T5505] 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
[  225.336824][ T5505] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.345218][ T5505] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  225.353169][ T5505] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  225.361118][ T5505] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  225.369068][ T5505] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  225.377111][ T5505] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  225.385075][ T5505]  </TASK>
[  225.392152][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.407060][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.726443][ T5507] loop1: detected capacity change from 0 to 32768
[  225.781795][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.789195][ T5507] CPU: 0 PID: 5507 Comm: syz.1.197 Not tainted syzkaller #0
[  225.796480][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  225.806543][ T5507] Call Trace:
[  225.809826][ T5507]  <TASK>
[  225.812757][ T5507]  dump_stack_lvl+0x188/0x250
[  225.817445][ T5507]  ? show_regs_print_info+0x20/0x20
[  225.822654][ T5507]  ? load_image+0x400/0x400
[  225.827180][ T5507]  sysfs_create_dir_ns+0x26a/0x290
[  225.832308][ T5507]  ? sysfs_warn_dup+0xa0/0xa0
[  225.836988][ T5507]  ? do_raw_spin_unlock+0x11d/0x230
[  225.842195][ T5507]  kobject_add_internal+0x6e0/0xd90
[  225.847409][ T5507]  kobject_init_and_add+0x128/0x190
[  225.852612][ T5507]  ? lockdep_softirqs_off+0x430/0x430
[  225.857990][ T5507]  ? kobject_add+0x230/0x230
[  225.862584][ T5507]  ? __init_swait_queue_head+0xa5/0x150
[  225.868109][ T5507]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.872849][ T5507]  ? gfs2_recover_set+0x240/0x240
[  225.877848][ T5507]  ? snprintf+0xe5/0x140
[  225.882070][ T5507]  ? __free_pages+0x95/0x1a0
[  225.886659][ T5507]  ? vscnprintf+0x80/0x80
[  225.890967][ T5507]  gfs2_fill_super+0x120f/0x1f00
[  225.895886][ T5507]  ? gfs2_reconfigure+0xd30/0xd30
[  225.900894][ T5507]  ? sb_set_blocksize+0xa5/0xe0
[  225.905720][ T5507]  get_tree_bdev+0x3f1/0x610
[  225.910290][ T5507]  ? gfs2_reconfigure+0xd30/0xd30
[  225.915317][ T5507]  gfs2_get_tree+0x4d/0x1e0
[  225.919802][ T5507]  vfs_get_tree+0x88/0x270
[  225.924194][ T5507]  do_new_mount+0x24a/0xa40
[  225.928676][ T5507]  __se_sys_mount+0x2e3/0x3d0
[  225.933337][ T5507]  ? __x64_sys_mount+0xc0/0xc0
[  225.938092][ T5507]  ? lockdep_hardirqs_on+0x94/0x140
[  225.943267][ T5507]  ? __x64_sys_mount+0x1c/0xc0
[  225.948011][ T5507]  do_syscall_64+0x4c/0xa0
[  225.952402][ T5507]  ? clear_bhb_loop+0x30/0x80
[  225.957063][ T5507]  ? clear_bhb_loop+0x30/0x80
[  225.961716][ T5507]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.967581][ T5507] RIP: 0033:0x7efd29fdef4a
[  225.971974][ T5507] 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
[  225.991591][ T5507] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.999991][ T5507] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  226.008210][ T5507] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  226.016170][ T5507] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  226.024125][ T5507] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  226.032079][ T5507] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  226.040056][ T5507]  </TASK>
[  226.044643][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.057799][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.367528][ T5509] loop1: detected capacity change from 0 to 32768
[  226.421758][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.429161][ T5509] CPU: 1 PID: 5509 Comm: syz.1.198 Not tainted syzkaller #0
[  226.436449][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  226.446512][ T5509] Call Trace:
[  226.449809][ T5509]  <TASK>
[  226.452745][ T5509]  dump_stack_lvl+0x188/0x250
[  226.457429][ T5509]  ? show_regs_print_info+0x20/0x20
[  226.462627][ T5509]  ? load_image+0x400/0x400
[  226.467146][ T5509]  sysfs_create_dir_ns+0x26a/0x290
[  226.472266][ T5509]  ? sysfs_warn_dup+0xa0/0xa0
[  226.476939][ T5509]  ? do_raw_spin_unlock+0x11d/0x230
[  226.482139][ T5509]  kobject_add_internal+0x6e0/0xd90
[  226.487346][ T5509]  kobject_init_and_add+0x128/0x190
[  226.492542][ T5509]  ? lockdep_softirqs_off+0x430/0x430
[  226.497930][ T5509]  ? kobject_add+0x230/0x230
[  226.502506][ T5509]  ? __init_swait_queue_head+0xa5/0x150
[  226.508035][ T5509]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.512776][ T5509]  ? gfs2_recover_set+0x240/0x240
[  226.517774][ T5509]  ? snprintf+0xe5/0x140
[  226.521995][ T5509]  ? __free_pages+0x95/0x1a0
[  226.526580][ T5509]  ? vscnprintf+0x80/0x80
[  226.530888][ T5509]  gfs2_fill_super+0x120f/0x1f00
[  226.535810][ T5509]  ? gfs2_reconfigure+0xd30/0xd30
[  226.540818][ T5509]  ? sb_set_blocksize+0xa5/0xe0
[  226.545753][ T5509]  get_tree_bdev+0x3f1/0x610
[  226.550323][ T5509]  ? gfs2_reconfigure+0xd30/0xd30
[  226.555326][ T5509]  gfs2_get_tree+0x4d/0x1e0
[  226.559807][ T5509]  vfs_get_tree+0x88/0x270
[  226.564213][ T5509]  do_new_mount+0x24a/0xa40
[  226.568698][ T5509]  __se_sys_mount+0x2e3/0x3d0
[  226.573354][ T5509]  ? __x64_sys_mount+0xc0/0xc0
[  226.578095][ T5509]  ? lockdep_hardirqs_on+0x94/0x140
[  226.583279][ T5509]  ? __x64_sys_mount+0x1c/0xc0
[  226.588036][ T5509]  do_syscall_64+0x4c/0xa0
[  226.592426][ T5509]  ? clear_bhb_loop+0x30/0x80
[  226.597075][ T5509]  ? clear_bhb_loop+0x30/0x80
[  226.601729][ T5509]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.607600][ T5509] RIP: 0033:0x7efd29fdef4a
[  226.611994][ T5509] 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
[  226.631579][ T5509] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.639988][ T5509] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  226.647941][ T5509] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  226.655888][ T5509] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  226.663849][ T5509] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  226.671823][ T5509] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  226.679884][ T5509]  </TASK>
[  226.684793][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.698197][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.996475][ T5511] loop1: detected capacity change from 0 to 32768
[  227.051802][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.059210][ T5511] CPU: 0 PID: 5511 Comm: syz.1.199 Not tainted syzkaller #0
[  227.066497][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  227.076559][ T5511] Call Trace:
[  227.079845][ T5511]  <TASK>
[  227.082800][ T5511]  dump_stack_lvl+0x188/0x250
[  227.087492][ T5511]  ? show_regs_print_info+0x20/0x20
[  227.092705][ T5511]  ? load_image+0x400/0x400
[  227.097223][ T5511]  sysfs_create_dir_ns+0x26a/0x290
[  227.102339][ T5511]  ? sysfs_warn_dup+0xa0/0xa0
[  227.107020][ T5511]  ? do_raw_spin_unlock+0x11d/0x230
[  227.112224][ T5511]  kobject_add_internal+0x6e0/0xd90
[  227.117423][ T5511]  kobject_init_and_add+0x128/0x190
[  227.122606][ T5511]  ? lockdep_softirqs_off+0x430/0x430
[  227.127977][ T5511]  ? kobject_add+0x230/0x230
[  227.132547][ T5511]  ? __init_swait_queue_head+0xa5/0x150
[  227.138076][ T5511]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.142825][ T5511]  ? gfs2_recover_set+0x240/0x240
[  227.147826][ T5511]  ? snprintf+0xe5/0x140
[  227.152043][ T5511]  ? __free_pages+0x95/0x1a0
[  227.156610][ T5511]  ? vscnprintf+0x80/0x80
[  227.160920][ T5511]  gfs2_fill_super+0x120f/0x1f00
[  227.165839][ T5511]  ? gfs2_reconfigure+0xd30/0xd30
[  227.170848][ T5511]  ? sb_set_blocksize+0xa5/0xe0
[  227.175677][ T5511]  get_tree_bdev+0x3f1/0x610
[  227.180245][ T5511]  ? gfs2_reconfigure+0xd30/0xd30
[  227.185245][ T5511]  gfs2_get_tree+0x4d/0x1e0
[  227.189723][ T5511]  vfs_get_tree+0x88/0x270
[  227.194114][ T5511]  do_new_mount+0x24a/0xa40
[  227.198596][ T5511]  __se_sys_mount+0x2e3/0x3d0
[  227.203250][ T5511]  ? __x64_sys_mount+0xc0/0xc0
[  227.207988][ T5511]  ? lockdep_hardirqs_on+0x94/0x140
[  227.213160][ T5511]  ? __x64_sys_mount+0x1c/0xc0
[  227.217899][ T5511]  do_syscall_64+0x4c/0xa0
[  227.222291][ T5511]  ? clear_bhb_loop+0x30/0x80
[  227.226941][ T5511]  ? clear_bhb_loop+0x30/0x80
[  227.231596][ T5511]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.237477][ T5511] RIP: 0033:0x7efd29fdef4a
[  227.241885][ T5511] 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
[  227.261488][ T5511] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.269967][ T5511] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  227.277924][ T5511] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  227.285875][ T5511] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  227.293823][ T5511] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  227.301769][ T5511] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  227.309727][ T5511]  </TASK>
[  227.314502][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.327669][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.634239][ T5513] loop1: detected capacity change from 0 to 32768
[  227.677353][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.689835][ T5513] CPU: 0 PID: 5513 Comm: syz.1.200 Not tainted syzkaller #0
[  227.697159][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  227.707223][ T5513] Call Trace:
[  227.710506][ T5513]  <TASK>
[  227.713436][ T5513]  dump_stack_lvl+0x188/0x250
[  227.718123][ T5513]  ? show_regs_print_info+0x20/0x20
[  227.723330][ T5513]  ? load_image+0x400/0x400
[  227.727848][ T5513]  sysfs_create_dir_ns+0x26a/0x290
[  227.732964][ T5513]  ? sysfs_warn_dup+0xa0/0xa0
[  227.737640][ T5513]  ? do_raw_spin_unlock+0x11d/0x230
[  227.742841][ T5513]  kobject_add_internal+0x6e0/0xd90
[  227.748048][ T5513]  kobject_init_and_add+0x128/0x190
[  227.753250][ T5513]  ? lockdep_softirqs_off+0x430/0x430
[  227.758604][ T5513]  ? kobject_add+0x230/0x230
[  227.763174][ T5513]  ? __init_swait_queue_head+0xa5/0x150
[  227.768702][ T5513]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.773445][ T5513]  ? gfs2_recover_set+0x240/0x240
[  227.778445][ T5513]  ? snprintf+0xe5/0x140
[  227.782667][ T5513]  ? __free_pages+0x95/0x1a0
[  227.787261][ T5513]  ? vscnprintf+0x80/0x80
[  227.791590][ T5513]  gfs2_fill_super+0x120f/0x1f00
[  227.796523][ T5513]  ? gfs2_reconfigure+0xd30/0xd30
[  227.801530][ T5513]  ? sb_set_blocksize+0xa5/0xe0
[  227.806358][ T5513]  get_tree_bdev+0x3f1/0x610
[  227.810931][ T5513]  ? gfs2_reconfigure+0xd30/0xd30
[  227.815934][ T5513]  gfs2_get_tree+0x4d/0x1e0
[  227.820412][ T5513]  vfs_get_tree+0x88/0x270
[  227.824804][ T5513]  do_new_mount+0x24a/0xa40
[  227.829289][ T5513]  __se_sys_mount+0x2e3/0x3d0
[  227.833948][ T5513]  ? __x64_sys_mount+0xc0/0xc0
[  227.838691][ T5513]  ? lockdep_hardirqs_on+0x94/0x140
[  227.843866][ T5513]  ? __x64_sys_mount+0x1c/0xc0
[  227.848605][ T5513]  do_syscall_64+0x4c/0xa0
[  227.852996][ T5513]  ? clear_bhb_loop+0x30/0x80
[  227.857672][ T5513]  ? clear_bhb_loop+0x30/0x80
[  227.862323][ T5513]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.868193][ T5513] RIP: 0033:0x7efd29fdef4a
[  227.872582][ T5513] 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
[  227.892166][ T5513] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.900558][ T5513] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  227.908509][ T5513] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  227.916472][ T5513] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  227.924420][ T5513] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  227.932377][ T5513] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  227.940347][ T5513]  </TASK>
[  227.945244][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.958655][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.245181][ T5515] loop1: detected capacity change from 0 to 32768
[  228.255790][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.264312][ T5515] CPU: 0 PID: 5515 Comm: syz.1.201 Not tainted syzkaller #0
[  228.271620][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  228.281676][ T5515] Call Trace:
[  228.284956][ T5515]  <TASK>
[  228.287888][ T5515]  dump_stack_lvl+0x188/0x250
[  228.292573][ T5515]  ? show_regs_print_info+0x20/0x20
[  228.297775][ T5515]  ? load_image+0x400/0x400
[  228.302284][ T5515]  sysfs_create_dir_ns+0x26a/0x290
[  228.307385][ T5515]  ? sysfs_warn_dup+0xa0/0xa0
[  228.312045][ T5515]  ? do_raw_spin_unlock+0x11d/0x230
[  228.317244][ T5515]  kobject_add_internal+0x6e0/0xd90
[  228.322427][ T5515]  kobject_init_and_add+0x128/0x190
[  228.327599][ T5515]  ? lockdep_softirqs_off+0x430/0x430
[  228.332947][ T5515]  ? kobject_add+0x230/0x230
[  228.337515][ T5515]  ? __init_swait_queue_head+0xa5/0x150
[  228.343039][ T5515]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.347779][ T5515]  ? gfs2_recover_set+0x240/0x240
[  228.352779][ T5515]  ? snprintf+0xe5/0x140
[  228.356998][ T5515]  ? __free_pages+0x95/0x1a0
[  228.361564][ T5515]  ? vscnprintf+0x80/0x80
[  228.365887][ T5515]  gfs2_fill_super+0x120f/0x1f00
[  228.370810][ T5515]  ? gfs2_reconfigure+0xd30/0xd30
[  228.375842][ T5515]  ? sb_set_blocksize+0xa5/0xe0
[  228.380668][ T5515]  get_tree_bdev+0x3f1/0x610
[  228.385237][ T5515]  ? gfs2_reconfigure+0xd30/0xd30
[  228.390237][ T5515]  gfs2_get_tree+0x4d/0x1e0
[  228.394716][ T5515]  vfs_get_tree+0x88/0x270
[  228.399107][ T5515]  do_new_mount+0x24a/0xa40
[  228.403588][ T5515]  __se_sys_mount+0x2e3/0x3d0
[  228.408249][ T5515]  ? __x64_sys_mount+0xc0/0xc0
[  228.413010][ T5515]  ? lockdep_hardirqs_on+0x94/0x140
[  228.418202][ T5515]  ? __x64_sys_mount+0x1c/0xc0
[  228.422947][ T5515]  do_syscall_64+0x4c/0xa0
[  228.427339][ T5515]  ? clear_bhb_loop+0x30/0x80
[  228.431988][ T5515]  ? clear_bhb_loop+0x30/0x80
[  228.436641][ T5515]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.442507][ T5515] RIP: 0033:0x7efd29fdef4a
[  228.446908][ T5515] 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
[  228.466493][ T5515] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.474902][ T5515] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  228.482859][ T5515] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  228.490811][ T5515] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  228.498758][ T5515] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  228.506705][ T5515] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  228.514663][ T5515]  </TASK>
[  228.519345][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.532794][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.839833][ T5517] loop1: detected capacity change from 0 to 32768
[  228.925106][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.932615][ T5517] CPU: 0 PID: 5517 Comm: syz.1.202 Not tainted syzkaller #0
[  228.939904][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  228.949965][ T5517] Call Trace:
[  228.953248][ T5517]  <TASK>
[  228.956181][ T5517]  dump_stack_lvl+0x188/0x250
[  228.960877][ T5517]  ? show_regs_print_info+0x20/0x20
[  228.966083][ T5517]  ? load_image+0x400/0x400
[  228.970588][ T5517]  sysfs_create_dir_ns+0x26a/0x290
[  228.975684][ T5517]  ? sysfs_warn_dup+0xa0/0xa0
[  228.980339][ T5517]  ? do_raw_spin_unlock+0x11d/0x230
[  228.985520][ T5517]  kobject_add_internal+0x6e0/0xd90
[  228.990699][ T5517]  kobject_init_and_add+0x128/0x190
[  228.995877][ T5517]  ? lockdep_softirqs_off+0x430/0x430
[  229.001259][ T5517]  ? kobject_add+0x230/0x230
[  229.005845][ T5517]  ? __init_swait_queue_head+0xa5/0x150
[  229.011375][ T5517]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.016119][ T5517]  ? gfs2_recover_set+0x240/0x240
[  229.021120][ T5517]  ? snprintf+0xe5/0x140
[  229.025337][ T5517]  ? __free_pages+0x95/0x1a0
[  229.029904][ T5517]  ? vscnprintf+0x80/0x80
[  229.034212][ T5517]  gfs2_fill_super+0x120f/0x1f00
[  229.039148][ T5517]  ? gfs2_reconfigure+0xd30/0xd30
[  229.044153][ T5517]  ? sb_set_blocksize+0xa5/0xe0
[  229.048990][ T5517]  get_tree_bdev+0x3f1/0x610
[  229.053560][ T5517]  ? gfs2_reconfigure+0xd30/0xd30
[  229.058562][ T5517]  gfs2_get_tree+0x4d/0x1e0
[  229.063042][ T5517]  vfs_get_tree+0x88/0x270
[  229.067436][ T5517]  do_new_mount+0x24a/0xa40
[  229.071919][ T5517]  __se_sys_mount+0x2e3/0x3d0
[  229.076578][ T5517]  ? __x64_sys_mount+0xc0/0xc0
[  229.081327][ T5517]  ? lockdep_hardirqs_on+0x94/0x140
[  229.086503][ T5517]  ? __x64_sys_mount+0x1c/0xc0
[  229.091247][ T5517]  do_syscall_64+0x4c/0xa0
[  229.095637][ T5517]  ? clear_bhb_loop+0x30/0x80
[  229.100287][ T5517]  ? clear_bhb_loop+0x30/0x80
[  229.104939][ T5517]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.110809][ T5517] RIP: 0033:0x7efd29fdef4a
[  229.115229][ T5517] 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
[  229.134813][ T5517] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.143207][ T5517] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  229.151160][ T5517] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  229.159118][ T5517] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  229.167065][ T5517] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  229.175013][ T5517] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  229.182972][ T5517]  </TASK>
[  229.187740][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.200906][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.520944][ T5519] loop1: detected capacity change from 0 to 32768
[  229.614397][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.623758][ T5519] CPU: 1 PID: 5519 Comm: syz.1.203 Not tainted syzkaller #0
[  229.631058][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  229.641125][ T5519] Call Trace:
[  229.644409][ T5519]  <TASK>
[  229.647350][ T5519]  dump_stack_lvl+0x188/0x250
[  229.652039][ T5519]  ? show_regs_print_info+0x20/0x20
[  229.657252][ T5519]  ? load_image+0x400/0x400
[  229.661758][ T5519]  sysfs_create_dir_ns+0x26a/0x290
[  229.667001][ T5519]  ? sysfs_warn_dup+0xa0/0xa0
[  229.671654][ T5519]  ? do_raw_spin_unlock+0x11d/0x230
[  229.676846][ T5519]  kobject_add_internal+0x6e0/0xd90
[  229.682127][ T5519]  kobject_init_and_add+0x128/0x190
[  229.687307][ T5519]  ? lockdep_softirqs_off+0x430/0x430
[  229.692657][ T5519]  ? kobject_add+0x230/0x230
[  229.697227][ T5519]  ? __init_swait_queue_head+0xa5/0x150
[  229.702754][ T5519]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.707496][ T5519]  ? gfs2_recover_set+0x240/0x240
[  229.712523][ T5519]  ? snprintf+0xe5/0x140
[  229.716741][ T5519]  ? __free_pages+0x95/0x1a0
[  229.721308][ T5519]  ? vscnprintf+0x80/0x80
[  229.725619][ T5519]  gfs2_fill_super+0x120f/0x1f00
[  229.730542][ T5519]  ? gfs2_reconfigure+0xd30/0xd30
[  229.735549][ T5519]  ? sb_set_blocksize+0xa5/0xe0
[  229.740385][ T5519]  get_tree_bdev+0x3f1/0x610
[  229.744957][ T5519]  ? gfs2_reconfigure+0xd30/0xd30
[  229.749965][ T5519]  gfs2_get_tree+0x4d/0x1e0
[  229.754460][ T5519]  vfs_get_tree+0x88/0x270
[  229.758854][ T5519]  do_new_mount+0x24a/0xa40
[  229.763334][ T5519]  __se_sys_mount+0x2e3/0x3d0
[  229.767988][ T5519]  ? __x64_sys_mount+0xc0/0xc0
[  229.772734][ T5519]  ? lockdep_hardirqs_on+0x94/0x140
[  229.777943][ T5519]  ? __x64_sys_mount+0x1c/0xc0
[  229.782681][ T5519]  do_syscall_64+0x4c/0xa0
[  229.787079][ T5519]  ? clear_bhb_loop+0x30/0x80
[  229.791817][ T5519]  ? clear_bhb_loop+0x30/0x80
[  229.796470][ T5519]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.802339][ T5519] RIP: 0033:0x7efd29fdef4a
[  229.806734][ T5519] 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
[  229.826316][ T5519] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.834714][ T5519] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  229.842663][ T5519] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  229.850620][ T5519] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  229.858576][ T5519] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  229.866524][ T5519] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  229.874491][ T5519]  </TASK>
[  229.884859][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.898521][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:56:19 executed programs: 189
[  230.218731][ T5521] loop1: detected capacity change from 0 to 32768
[  230.281901][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.289330][ T5521] CPU: 0 PID: 5521 Comm: syz.1.204 Not tainted syzkaller #0
[  230.296621][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  230.306678][ T5521] Call Trace:
[  230.309962][ T5521]  <TASK>
[  230.312898][ T5521]  dump_stack_lvl+0x188/0x250
[  230.317591][ T5521]  ? show_regs_print_info+0x20/0x20
[  230.322797][ T5521]  ? load_image+0x400/0x400
[  230.327314][ T5521]  sysfs_create_dir_ns+0x26a/0x290
[  230.332429][ T5521]  ? sysfs_warn_dup+0xa0/0xa0
[  230.337119][ T5521]  ? do_raw_spin_unlock+0x11d/0x230
[  230.342407][ T5521]  kobject_add_internal+0x6e0/0xd90
[  230.347701][ T5521]  kobject_init_and_add+0x128/0x190
[  230.352896][ T5521]  ? lockdep_softirqs_off+0x430/0x430
[  230.358271][ T5521]  ? kobject_add+0x230/0x230
[  230.362866][ T5521]  ? __init_swait_queue_head+0xa5/0x150
[  230.368409][ T5521]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.373155][ T5521]  ? gfs2_recover_set+0x240/0x240
[  230.378271][ T5521]  ? snprintf+0xe5/0x140
[  230.382487][ T5521]  ? __free_pages+0x95/0x1a0
[  230.387062][ T5521]  ? vscnprintf+0x80/0x80
[  230.391367][ T5521]  gfs2_fill_super+0x120f/0x1f00
[  230.396287][ T5521]  ? gfs2_reconfigure+0xd30/0xd30
[  230.401299][ T5521]  ? sb_set_blocksize+0xa5/0xe0
[  230.406123][ T5521]  get_tree_bdev+0x3f1/0x610
[  230.410694][ T5521]  ? gfs2_reconfigure+0xd30/0xd30
[  230.415697][ T5521]  gfs2_get_tree+0x4d/0x1e0
[  230.420213][ T5521]  vfs_get_tree+0x88/0x270
[  230.424609][ T5521]  do_new_mount+0x24a/0xa40
[  230.429091][ T5521]  __se_sys_mount+0x2e3/0x3d0
[  230.433746][ T5521]  ? __x64_sys_mount+0xc0/0xc0
[  230.438485][ T5521]  ? lockdep_hardirqs_on+0x94/0x140
[  230.443659][ T5521]  ? __x64_sys_mount+0x1c/0xc0
[  230.448401][ T5521]  do_syscall_64+0x4c/0xa0
[  230.452794][ T5521]  ? clear_bhb_loop+0x30/0x80
[  230.457455][ T5521]  ? clear_bhb_loop+0x30/0x80
[  230.462104][ T5521]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.467972][ T5521] RIP: 0033:0x7efd29fdef4a
[  230.472367][ T5521] 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
[  230.491967][ T5521] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.500377][ T5521] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  230.508326][ T5521] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  230.516280][ T5521] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  230.524231][ T5521] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  230.532182][ T5521] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  230.540151][ T5521]  </TASK>
[  230.544758][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.557915][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.843200][ T5523] loop1: detected capacity change from 0 to 32768
[  230.893576][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.900984][ T5523] CPU: 0 PID: 5523 Comm: syz.1.205 Not tainted syzkaller #0
[  230.908279][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  230.918340][ T5523] Call Trace:
[  230.921622][ T5523]  <TASK>
[  230.924546][ T5523]  dump_stack_lvl+0x188/0x250
[  230.929239][ T5523]  ? show_regs_print_info+0x20/0x20
[  230.934448][ T5523]  ? load_image+0x400/0x400
[  230.938971][ T5523]  sysfs_create_dir_ns+0x26a/0x290
[  230.944100][ T5523]  ? sysfs_warn_dup+0xa0/0xa0
[  230.948789][ T5523]  ? do_raw_spin_unlock+0x11d/0x230
[  230.953999][ T5523]  kobject_add_internal+0x6e0/0xd90
[  230.959206][ T5523]  kobject_init_and_add+0x128/0x190
[  230.964400][ T5523]  ? lockdep_softirqs_off+0x430/0x430
[  230.969786][ T5523]  ? kobject_add+0x230/0x230
[  230.974360][ T5523]  ? __init_swait_queue_head+0xa5/0x150
[  230.979894][ T5523]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.984642][ T5523]  ? gfs2_recover_set+0x240/0x240
[  230.989641][ T5523]  ? snprintf+0xe5/0x140
[  230.993881][ T5523]  ? __free_pages+0x95/0x1a0
[  230.998448][ T5523]  ? vscnprintf+0x80/0x80
[  231.002757][ T5523]  gfs2_fill_super+0x120f/0x1f00
[  231.007686][ T5523]  ? gfs2_reconfigure+0xd30/0xd30
[  231.012695][ T5523]  ? sb_set_blocksize+0xa5/0xe0
[  231.017525][ T5523]  get_tree_bdev+0x3f1/0x610
[  231.022125][ T5523]  ? gfs2_reconfigure+0xd30/0xd30
[  231.027163][ T5523]  gfs2_get_tree+0x4d/0x1e0
[  231.031650][ T5523]  vfs_get_tree+0x88/0x270
[  231.036044][ T5523]  do_new_mount+0x24a/0xa40
[  231.040625][ T5523]  __se_sys_mount+0x2e3/0x3d0
[  231.045290][ T5523]  ? __x64_sys_mount+0xc0/0xc0
[  231.050029][ T5523]  ? lockdep_hardirqs_on+0x94/0x140
[  231.055202][ T5523]  ? __x64_sys_mount+0x1c/0xc0
[  231.059944][ T5523]  do_syscall_64+0x4c/0xa0
[  231.064335][ T5523]  ? clear_bhb_loop+0x30/0x80
[  231.068985][ T5523]  ? clear_bhb_loop+0x30/0x80
[  231.073638][ T5523]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.079508][ T5523] RIP: 0033:0x7efd29fdef4a
[  231.083899][ T5523] 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
[  231.103483][ T5523] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.111872][ T5523] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  231.119818][ T5523] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  231.127775][ T5523] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  231.135726][ T5523] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  231.143681][ T5523] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  231.151647][ T5523]  </TASK>
[  231.156476][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.169789][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.485298][ T5525] loop1: detected capacity change from 0 to 32768
[  231.550156][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.558840][ T5525] CPU: 0 PID: 5525 Comm: syz.1.206 Not tainted syzkaller #0
[  231.566149][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  231.576215][ T5525] Call Trace:
[  231.579494][ T5525]  <TASK>
[  231.582429][ T5525]  dump_stack_lvl+0x188/0x250
[  231.587118][ T5525]  ? show_regs_print_info+0x20/0x20
[  231.592323][ T5525]  ? load_image+0x400/0x400
[  231.596842][ T5525]  sysfs_create_dir_ns+0x26a/0x290
[  231.601960][ T5525]  ? sysfs_warn_dup+0xa0/0xa0
[  231.606647][ T5525]  ? do_raw_spin_unlock+0x11d/0x230
[  231.611852][ T5525]  kobject_add_internal+0x6e0/0xd90
[  231.617057][ T5525]  kobject_init_and_add+0x128/0x190
[  231.622605][ T5525]  ? lockdep_softirqs_off+0x430/0x430
[  231.627966][ T5525]  ? kobject_add+0x230/0x230
[  231.632535][ T5525]  ? __init_swait_queue_head+0xa5/0x150
[  231.638146][ T5525]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.642891][ T5525]  ? gfs2_recover_set+0x240/0x240
[  231.647894][ T5525]  ? snprintf+0xe5/0x140
[  231.652113][ T5525]  ? __free_pages+0x95/0x1a0
[  231.656773][ T5525]  ? vscnprintf+0x80/0x80
[  231.661090][ T5525]  gfs2_fill_super+0x120f/0x1f00
[  231.666015][ T5525]  ? gfs2_reconfigure+0xd30/0xd30
[  231.671024][ T5525]  ? sb_set_blocksize+0xa5/0xe0
[  231.675851][ T5525]  get_tree_bdev+0x3f1/0x610
[  231.680423][ T5525]  ? gfs2_reconfigure+0xd30/0xd30
[  231.685426][ T5525]  gfs2_get_tree+0x4d/0x1e0
[  231.689907][ T5525]  vfs_get_tree+0x88/0x270
[  231.694301][ T5525]  do_new_mount+0x24a/0xa40
[  231.698785][ T5525]  __se_sys_mount+0x2e3/0x3d0
[  231.703440][ T5525]  ? __x64_sys_mount+0xc0/0xc0
[  231.708182][ T5525]  ? lockdep_hardirqs_on+0x94/0x140
[  231.713356][ T5525]  ? __x64_sys_mount+0x1c/0xc0
[  231.718095][ T5525]  do_syscall_64+0x4c/0xa0
[  231.722488][ T5525]  ? clear_bhb_loop+0x30/0x80
[  231.727140][ T5525]  ? clear_bhb_loop+0x30/0x80
[  231.731792][ T5525]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.737669][ T5525] RIP: 0033:0x7efd29fdef4a
[  231.742070][ T5525] 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
[  231.761917][ T5525] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.770311][ T5525] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  231.778367][ T5525] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  231.786324][ T5525] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  231.794271][ T5525] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  231.802218][ T5525] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  231.810177][ T5525]  </TASK>
[  231.815220][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.828484][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.137030][ T5527] loop1: detected capacity change from 0 to 32768
[  232.202677][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.210178][ T5527] CPU: 1 PID: 5527 Comm: syz.1.207 Not tainted syzkaller #0
[  232.217471][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  232.227536][ T5527] Call Trace:
[  232.230815][ T5527]  <TASK>
[  232.233742][ T5527]  dump_stack_lvl+0x188/0x250
[  232.238430][ T5527]  ? show_regs_print_info+0x20/0x20
[  232.243634][ T5527]  ? load_image+0x400/0x400
[  232.248154][ T5527]  sysfs_create_dir_ns+0x26a/0x290
[  232.253266][ T5527]  ? sysfs_warn_dup+0xa0/0xa0
[  232.257946][ T5527]  ? do_raw_spin_unlock+0x11d/0x230
[  232.263150][ T5527]  kobject_add_internal+0x6e0/0xd90
[  232.268360][ T5527]  kobject_init_and_add+0x128/0x190
[  232.273557][ T5527]  ? lockdep_softirqs_off+0x430/0x430
[  232.278924][ T5527]  ? kobject_add+0x230/0x230
[  232.283495][ T5527]  ? __init_swait_queue_head+0xa5/0x150
[  232.289020][ T5527]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.293762][ T5527]  ? gfs2_recover_set+0x240/0x240
[  232.298761][ T5527]  ? snprintf+0xe5/0x140
[  232.303063][ T5527]  ? __free_pages+0x95/0x1a0
[  232.307759][ T5527]  ? vscnprintf+0x80/0x80
[  232.312081][ T5527]  gfs2_fill_super+0x120f/0x1f00
[  232.317018][ T5527]  ? gfs2_reconfigure+0xd30/0xd30
[  232.322025][ T5527]  ? sb_set_blocksize+0xa5/0xe0
[  232.326850][ T5527]  get_tree_bdev+0x3f1/0x610
[  232.331420][ T5527]  ? gfs2_reconfigure+0xd30/0xd30
[  232.336418][ T5527]  gfs2_get_tree+0x4d/0x1e0
[  232.340898][ T5527]  vfs_get_tree+0x88/0x270
[  232.345290][ T5527]  do_new_mount+0x24a/0xa40
[  232.349775][ T5527]  __se_sys_mount+0x2e3/0x3d0
[  232.354431][ T5527]  ? __x64_sys_mount+0xc0/0xc0
[  232.359175][ T5527]  ? lockdep_hardirqs_on+0x94/0x140
[  232.364353][ T5527]  ? __x64_sys_mount+0x1c/0xc0
[  232.369124][ T5527]  do_syscall_64+0x4c/0xa0
[  232.373517][ T5527]  ? clear_bhb_loop+0x30/0x80
[  232.378171][ T5527]  ? clear_bhb_loop+0x30/0x80
[  232.382823][ T5527]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.388690][ T5527] RIP: 0033:0x7efd29fdef4a
[  232.393084][ T5527] 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
[  232.412667][ T5527] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.421063][ T5527] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  232.429011][ T5527] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  232.436964][ T5527] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  232.445100][ T5527] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  232.453048][ T5527] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  232.461004][ T5527]  </TASK>
[  232.464995][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.478219][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.760852][ T5529] loop1: detected capacity change from 0 to 32768
[  232.794299][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.804460][ T5529] CPU: 1 PID: 5529 Comm: syz.1.208 Not tainted syzkaller #0
[  232.811766][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  232.821826][ T5529] Call Trace:
[  232.825112][ T5529]  <TASK>
[  232.828043][ T5529]  dump_stack_lvl+0x188/0x250
[  232.832734][ T5529]  ? show_regs_print_info+0x20/0x20
[  232.837945][ T5529]  ? load_image+0x400/0x400
[  232.842465][ T5529]  sysfs_create_dir_ns+0x26a/0x290
[  232.847577][ T5529]  ? sysfs_warn_dup+0xa0/0xa0
[  232.852261][ T5529]  ? do_raw_spin_unlock+0x11d/0x230
[  232.857464][ T5529]  kobject_add_internal+0x6e0/0xd90
[  232.862670][ T5529]  kobject_init_and_add+0x128/0x190
[  232.867869][ T5529]  ? lockdep_softirqs_off+0x430/0x430
[  232.873249][ T5529]  ? kobject_add+0x230/0x230
[  232.877847][ T5529]  ? __init_swait_queue_head+0xa5/0x150
[  232.883392][ T5529]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.888138][ T5529]  ? gfs2_recover_set+0x240/0x240
[  232.893140][ T5529]  ? snprintf+0xe5/0x140
[  232.897366][ T5529]  ? __free_pages+0x95/0x1a0
[  232.901936][ T5529]  ? vscnprintf+0x80/0x80
[  232.906246][ T5529]  gfs2_fill_super+0x120f/0x1f00
[  232.911169][ T5529]  ? gfs2_reconfigure+0xd30/0xd30
[  232.916177][ T5529]  ? sb_set_blocksize+0xa5/0xe0
[  232.921009][ T5529]  get_tree_bdev+0x3f1/0x610
[  232.925582][ T5529]  ? gfs2_reconfigure+0xd30/0xd30
[  232.930584][ T5529]  gfs2_get_tree+0x4d/0x1e0
[  232.935062][ T5529]  vfs_get_tree+0x88/0x270
[  232.939465][ T5529]  do_new_mount+0x24a/0xa40
[  232.943947][ T5529]  __se_sys_mount+0x2e3/0x3d0
[  232.948601][ T5529]  ? __x64_sys_mount+0xc0/0xc0
[  232.953341][ T5529]  ? lockdep_hardirqs_on+0x94/0x140
[  232.958512][ T5529]  ? __x64_sys_mount+0x1c/0xc0
[  232.963426][ T5529]  do_syscall_64+0x4c/0xa0
[  232.967827][ T5529]  ? clear_bhb_loop+0x30/0x80
[  232.972477][ T5529]  ? clear_bhb_loop+0x30/0x80
[  232.977131][ T5529]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.983012][ T5529] RIP: 0033:0x7efd29fdef4a
[  232.987406][ T5529] 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
[  233.006992][ T5529] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.015395][ T5529] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  233.023347][ T5529] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  233.031306][ T5529] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  233.039253][ T5529] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  233.047203][ T5529] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  233.055159][ T5529]  </TASK>
[  233.064625][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.078470][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.373441][ T5531] loop1: detected capacity change from 0 to 32768
[  233.455154][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.464245][ T5531] CPU: 0 PID: 5531 Comm: syz.1.209 Not tainted syzkaller #0
[  233.471549][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  233.481623][ T5531] Call Trace:
[  233.484913][ T5531]  <TASK>
[  233.487846][ T5531]  dump_stack_lvl+0x188/0x250
[  233.492537][ T5531]  ? show_regs_print_info+0x20/0x20
[  233.497768][ T5531]  ? load_image+0x400/0x400
[  233.502281][ T5531]  sysfs_create_dir_ns+0x26a/0x290
[  233.507378][ T5531]  ? sysfs_warn_dup+0xa0/0xa0
[  233.512033][ T5531]  ? do_raw_spin_unlock+0x11d/0x230
[  233.517206][ T5531]  kobject_add_internal+0x6e0/0xd90
[  233.522385][ T5531]  kobject_init_and_add+0x128/0x190
[  233.527563][ T5531]  ? lockdep_softirqs_off+0x430/0x430
[  233.532918][ T5531]  ? kobject_add+0x230/0x230
[  233.537487][ T5531]  ? __init_swait_queue_head+0xa5/0x150
[  233.543009][ T5531]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.547754][ T5531]  ? gfs2_recover_set+0x240/0x240
[  233.552754][ T5531]  ? snprintf+0xe5/0x140
[  233.556969][ T5531]  ? __free_pages+0x95/0x1a0
[  233.561535][ T5531]  ? vscnprintf+0x80/0x80
[  233.565844][ T5531]  gfs2_fill_super+0x120f/0x1f00
[  233.570770][ T5531]  ? gfs2_reconfigure+0xd30/0xd30
[  233.575778][ T5531]  ? sb_set_blocksize+0xa5/0xe0
[  233.580607][ T5531]  get_tree_bdev+0x3f1/0x610
[  233.585179][ T5531]  ? gfs2_reconfigure+0xd30/0xd30
[  233.590184][ T5531]  gfs2_get_tree+0x4d/0x1e0
[  233.594670][ T5531]  vfs_get_tree+0x88/0x270
[  233.599076][ T5531]  do_new_mount+0x24a/0xa40
[  233.603560][ T5531]  __se_sys_mount+0x2e3/0x3d0
[  233.608215][ T5531]  ? __x64_sys_mount+0xc0/0xc0
[  233.612955][ T5531]  ? lockdep_hardirqs_on+0x94/0x140
[  233.618129][ T5531]  ? __x64_sys_mount+0x1c/0xc0
[  233.622870][ T5531]  do_syscall_64+0x4c/0xa0
[  233.627267][ T5531]  ? clear_bhb_loop+0x30/0x80
[  233.631918][ T5531]  ? clear_bhb_loop+0x30/0x80
[  233.636573][ T5531]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.642439][ T5531] RIP: 0033:0x7efd29fdef4a
[  233.646831][ T5531] 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
[  233.666411][ T5531] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.674803][ T5531] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  233.682757][ T5531] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  233.690708][ T5531] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  233.698658][ T5531] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  233.706606][ T5531] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  233.714563][ T5531]  </TASK>
[  233.719360][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.732520][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.050309][ T5533] loop1: detected capacity change from 0 to 32768
[  234.102134][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.109628][ T5533] CPU: 0 PID: 5533 Comm: syz.1.210 Not tainted syzkaller #0
[  234.116919][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  234.126983][ T5533] Call Trace:
[  234.130271][ T5533]  <TASK>
[  234.133198][ T5533]  dump_stack_lvl+0x188/0x250
[  234.138062][ T5533]  ? show_regs_print_info+0x20/0x20
[  234.143273][ T5533]  ? load_image+0x400/0x400
[  234.147798][ T5533]  sysfs_create_dir_ns+0x26a/0x290
[  234.152919][ T5533]  ? sysfs_warn_dup+0xa0/0xa0
[  234.157600][ T5533]  ? do_raw_spin_unlock+0x11d/0x230
[  234.162809][ T5533]  kobject_add_internal+0x6e0/0xd90
[  234.168022][ T5533]  kobject_init_and_add+0x128/0x190
[  234.173222][ T5533]  ? lockdep_softirqs_off+0x430/0x430
[  234.178600][ T5533]  ? kobject_add+0x230/0x230
[  234.183182][ T5533]  ? __init_swait_queue_head+0xa5/0x150
[  234.188728][ T5533]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.193466][ T5533]  ? gfs2_recover_set+0x240/0x240
[  234.198487][ T5533]  ? snprintf+0xe5/0x140
[  234.202714][ T5533]  ? __free_pages+0x95/0x1a0
[  234.207306][ T5533]  ? vscnprintf+0x80/0x80
[  234.211624][ T5533]  gfs2_fill_super+0x120f/0x1f00
[  234.216550][ T5533]  ? gfs2_reconfigure+0xd30/0xd30
[  234.221559][ T5533]  ? sb_set_blocksize+0xa5/0xe0
[  234.226392][ T5533]  get_tree_bdev+0x3f1/0x610
[  234.230957][ T5533]  ? gfs2_reconfigure+0xd30/0xd30
[  234.235966][ T5533]  gfs2_get_tree+0x4d/0x1e0
[  234.240551][ T5533]  vfs_get_tree+0x88/0x270
[  234.244962][ T5533]  do_new_mount+0x24a/0xa40
[  234.249457][ T5533]  __se_sys_mount+0x2e3/0x3d0
[  234.254130][ T5533]  ? __x64_sys_mount+0xc0/0xc0
[  234.258897][ T5533]  ? lockdep_hardirqs_on+0x94/0x140
[  234.264076][ T5533]  ? __x64_sys_mount+0x1c/0xc0
[  234.268837][ T5533]  do_syscall_64+0x4c/0xa0
[  234.273226][ T5533]  ? clear_bhb_loop+0x30/0x80
[  234.277879][ T5533]  ? clear_bhb_loop+0x30/0x80
[  234.282531][ T5533]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.288407][ T5533] RIP: 0033:0x7efd29fdef4a
[  234.292807][ T5533] 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
[  234.312396][ T5533] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.320796][ T5533] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  234.328753][ T5533] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  234.336712][ T5533] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  234.344659][ T5533] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  234.352612][ T5533] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  234.360582][ T5533]  </TASK>
[  234.365385][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.378634][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.687934][ T5535] loop1: detected capacity change from 0 to 32768
[  234.739497][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.746998][ T5535] CPU: 0 PID: 5535 Comm: syz.1.211 Not tainted syzkaller #0
[  234.754283][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  234.764343][ T5535] Call Trace:
[  234.767632][ T5535]  <TASK>
[  234.770571][ T5535]  dump_stack_lvl+0x188/0x250
[  234.775260][ T5535]  ? show_regs_print_info+0x20/0x20
[  234.780467][ T5535]  ? load_image+0x400/0x400
[  234.784991][ T5535]  sysfs_create_dir_ns+0x26a/0x290
[  234.790116][ T5535]  ? sysfs_warn_dup+0xa0/0xa0
[  234.794804][ T5535]  ? do_raw_spin_unlock+0x11d/0x230
[  234.800016][ T5535]  kobject_add_internal+0x6e0/0xd90
[  234.805225][ T5535]  kobject_init_and_add+0x128/0x190
[  234.810429][ T5535]  ? lockdep_softirqs_off+0x430/0x430
[  234.815816][ T5535]  ? kobject_add+0x230/0x230
[  234.820423][ T5535]  ? __init_swait_queue_head+0xa5/0x150
[  234.825973][ T5535]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.830725][ T5535]  ? gfs2_recover_set+0x240/0x240
[  234.835728][ T5535]  ? snprintf+0xe5/0x140
[  234.839946][ T5535]  ? __free_pages+0x95/0x1a0
[  234.844514][ T5535]  ? vscnprintf+0x80/0x80
[  234.848827][ T5535]  gfs2_fill_super+0x120f/0x1f00
[  234.853750][ T5535]  ? gfs2_reconfigure+0xd30/0xd30
[  234.858763][ T5535]  ? sb_set_blocksize+0xa5/0xe0
[  234.863597][ T5535]  get_tree_bdev+0x3f1/0x610
[  234.868180][ T5535]  ? gfs2_reconfigure+0xd30/0xd30
[  234.873202][ T5535]  gfs2_get_tree+0x4d/0x1e0
[  234.877687][ T5535]  vfs_get_tree+0x88/0x270
[  234.882084][ T5535]  do_new_mount+0x24a/0xa40
[  234.886571][ T5535]  __se_sys_mount+0x2e3/0x3d0
[  234.891237][ T5535]  ? __x64_sys_mount+0xc0/0xc0
[  234.895983][ T5535]  ? lockdep_hardirqs_on+0x94/0x140
[  234.901158][ T5535]  ? __x64_sys_mount+0x1c/0xc0
[  234.905901][ T5535]  do_syscall_64+0x4c/0xa0
[  234.910295][ T5535]  ? clear_bhb_loop+0x30/0x80
[  234.914983][ T5535]  ? clear_bhb_loop+0x30/0x80
[  234.919641][ T5535]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.925510][ T5535] RIP: 0033:0x7efd29fdef4a
[  234.929905][ T5535] 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
[  234.949509][ T5535] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.957904][ T5535] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  234.965856][ T5535] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  234.973804][ T5535] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  234.981758][ T5535] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  234.989706][ T5535] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  234.997665][ T5535]  </TASK>
[  235.002272][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.015545][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:56:24 executed programs: 197
[  235.326576][ T5537] loop1: detected capacity change from 0 to 32768
[  235.394371][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.401904][ T5537] CPU: 1 PID: 5537 Comm: syz.1.212 Not tainted syzkaller #0
[  235.409195][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  235.419255][ T5537] Call Trace:
[  235.422539][ T5537]  <TASK>
[  235.425476][ T5537]  dump_stack_lvl+0x188/0x250
[  235.430167][ T5537]  ? show_regs_print_info+0x20/0x20
[  235.435381][ T5537]  ? load_image+0x400/0x400
[  235.439915][ T5537]  sysfs_create_dir_ns+0x26a/0x290
[  235.445040][ T5537]  ? sysfs_warn_dup+0xa0/0xa0
[  235.449730][ T5537]  ? do_raw_spin_unlock+0x11d/0x230
[  235.454936][ T5537]  kobject_add_internal+0x6e0/0xd90
[  235.460134][ T5537]  kobject_init_and_add+0x128/0x190
[  235.465315][ T5537]  ? lockdep_softirqs_off+0x430/0x430
[  235.470666][ T5537]  ? kobject_add+0x230/0x230
[  235.475234][ T5537]  ? __init_swait_queue_head+0xa5/0x150
[  235.480761][ T5537]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.485508][ T5537]  ? gfs2_recover_set+0x240/0x240
[  235.490507][ T5537]  ? snprintf+0xe5/0x140
[  235.494725][ T5537]  ? __free_pages+0x95/0x1a0
[  235.499298][ T5537]  ? vscnprintf+0x80/0x80
[  235.503604][ T5537]  gfs2_fill_super+0x120f/0x1f00
[  235.508524][ T5537]  ? gfs2_reconfigure+0xd30/0xd30
[  235.513529][ T5537]  ? sb_set_blocksize+0xa5/0xe0
[  235.518356][ T5537]  get_tree_bdev+0x3f1/0x610
[  235.522922][ T5537]  ? gfs2_reconfigure+0xd30/0xd30
[  235.527923][ T5537]  gfs2_get_tree+0x4d/0x1e0
[  235.532408][ T5537]  vfs_get_tree+0x88/0x270
[  235.536904][ T5537]  do_new_mount+0x24a/0xa40
[  235.541385][ T5537]  __se_sys_mount+0x2e3/0x3d0
[  235.546038][ T5537]  ? __x64_sys_mount+0xc0/0xc0
[  235.550782][ T5537]  ? lockdep_hardirqs_on+0x94/0x140
[  235.555955][ T5537]  ? __x64_sys_mount+0x1c/0xc0
[  235.560695][ T5537]  do_syscall_64+0x4c/0xa0
[  235.565087][ T5537]  ? clear_bhb_loop+0x30/0x80
[  235.569741][ T5537]  ? clear_bhb_loop+0x30/0x80
[  235.574393][ T5537]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.580276][ T5537] RIP: 0033:0x7efd29fdef4a
[  235.584673][ T5537] 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
[  235.604257][ T5537] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.612656][ T5537] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  235.620633][ T5537] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  235.628578][ T5537] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  235.636528][ T5537] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  235.644489][ T5537] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  235.652722][ T5537]  </TASK>
[  235.656413][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.669795][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.967704][ T5539] loop1: detected capacity change from 0 to 32768
[  236.022505][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.029995][ T5539] CPU: 1 PID: 5539 Comm: syz.1.213 Not tainted syzkaller #0
[  236.037291][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  236.047355][ T5539] Call Trace:
[  236.050637][ T5539]  <TASK>
[  236.053565][ T5539]  dump_stack_lvl+0x188/0x250
[  236.058287][ T5539]  ? show_regs_print_info+0x20/0x20
[  236.063490][ T5539]  ? load_image+0x400/0x400
[  236.068013][ T5539]  sysfs_create_dir_ns+0x26a/0x290
[  236.073136][ T5539]  ? sysfs_warn_dup+0xa0/0xa0
[  236.077821][ T5539]  ? do_raw_spin_unlock+0x11d/0x230
[  236.083029][ T5539]  kobject_add_internal+0x6e0/0xd90
[  236.088253][ T5539]  kobject_init_and_add+0x128/0x190
[  236.093468][ T5539]  ? lockdep_softirqs_off+0x430/0x430
[  236.098851][ T5539]  ? kobject_add+0x230/0x230
[  236.103428][ T5539]  ? __init_swait_queue_head+0xa5/0x150
[  236.108955][ T5539]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.113703][ T5539]  ? gfs2_recover_set+0x240/0x240
[  236.118730][ T5539]  ? snprintf+0xe5/0x140
[  236.122948][ T5539]  ? __free_pages+0x95/0x1a0
[  236.127630][ T5539]  ? vscnprintf+0x80/0x80
[  236.131950][ T5539]  gfs2_fill_super+0x120f/0x1f00
[  236.136887][ T5539]  ? gfs2_reconfigure+0xd30/0xd30
[  236.141905][ T5539]  ? sb_set_blocksize+0xa5/0xe0
[  236.146740][ T5539]  get_tree_bdev+0x3f1/0x610
[  236.151317][ T5539]  ? gfs2_reconfigure+0xd30/0xd30
[  236.156327][ T5539]  gfs2_get_tree+0x4d/0x1e0
[  236.160819][ T5539]  vfs_get_tree+0x88/0x270
[  236.165219][ T5539]  do_new_mount+0x24a/0xa40
[  236.169797][ T5539]  __se_sys_mount+0x2e3/0x3d0
[  236.174457][ T5539]  ? __x64_sys_mount+0xc0/0xc0
[  236.179204][ T5539]  ? lockdep_hardirqs_on+0x94/0x140
[  236.184379][ T5539]  ? __x64_sys_mount+0x1c/0xc0
[  236.189121][ T5539]  do_syscall_64+0x4c/0xa0
[  236.193509][ T5539]  ? clear_bhb_loop+0x30/0x80
[  236.198167][ T5539]  ? clear_bhb_loop+0x30/0x80
[  236.202817][ T5539]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.208685][ T5539] RIP: 0033:0x7efd29fdef4a
[  236.213081][ T5539] 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
[  236.232666][ T5539] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.241061][ T5539] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  236.249012][ T5539] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  236.256964][ T5539] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  236.264915][ T5539] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  236.272870][ T5539] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  236.280841][ T5539]  </TASK>
[  236.289237][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.302561][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.601136][ T5541] loop1: detected capacity change from 0 to 32768
[  236.660986][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.668499][ T5541] CPU: 1 PID: 5541 Comm: syz.1.214 Not tainted syzkaller #0
[  236.675791][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  236.685854][ T5541] Call Trace:
[  236.689139][ T5541]  <TASK>
[  236.692066][ T5541]  dump_stack_lvl+0x188/0x250
[  236.696753][ T5541]  ? show_regs_print_info+0x20/0x20
[  236.701958][ T5541]  ? load_image+0x400/0x400
[  236.706488][ T5541]  sysfs_create_dir_ns+0x26a/0x290
[  236.711605][ T5541]  ? sysfs_warn_dup+0xa0/0xa0
[  236.716282][ T5541]  ? do_raw_spin_unlock+0x11d/0x230
[  236.721491][ T5541]  kobject_add_internal+0x6e0/0xd90
[  236.726701][ T5541]  kobject_init_and_add+0x128/0x190
[  236.731908][ T5541]  ? lockdep_softirqs_off+0x430/0x430
[  236.737281][ T5541]  ? kobject_add+0x230/0x230
[  236.741868][ T5541]  ? __init_swait_queue_head+0xa5/0x150
[  236.747507][ T5541]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.752252][ T5541]  ? gfs2_recover_set+0x240/0x240
[  236.757274][ T5541]  ? snprintf+0xe5/0x140
[  236.761499][ T5541]  ? __free_pages+0x95/0x1a0
[  236.766069][ T5541]  ? vscnprintf+0x80/0x80
[  236.770378][ T5541]  gfs2_fill_super+0x120f/0x1f00
[  236.775300][ T5541]  ? gfs2_reconfigure+0xd30/0xd30
[  236.780314][ T5541]  ? sb_set_blocksize+0xa5/0xe0
[  236.785151][ T5541]  get_tree_bdev+0x3f1/0x610
[  236.789724][ T5541]  ? gfs2_reconfigure+0xd30/0xd30
[  236.794732][ T5541]  gfs2_get_tree+0x4d/0x1e0
[  236.799215][ T5541]  vfs_get_tree+0x88/0x270
[  236.803614][ T5541]  do_new_mount+0x24a/0xa40
[  236.808106][ T5541]  __se_sys_mount+0x2e3/0x3d0
[  236.812763][ T5541]  ? __x64_sys_mount+0xc0/0xc0
[  236.817504][ T5541]  ? lockdep_hardirqs_on+0x94/0x140
[  236.822681][ T5541]  ? __x64_sys_mount+0x1c/0xc0
[  236.827435][ T5541]  do_syscall_64+0x4c/0xa0
[  236.831826][ T5541]  ? clear_bhb_loop+0x30/0x80
[  236.836486][ T5541]  ? clear_bhb_loop+0x30/0x80
[  236.841135][ T5541]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.847010][ T5541] RIP: 0033:0x7efd29fdef4a
[  236.851417][ T5541] 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
[  236.871009][ T5541] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.879408][ T5541] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  236.887453][ T5541] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  236.895405][ T5541] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  236.903357][ T5541] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  236.911320][ T5541] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  236.919276][ T5541]  </TASK>
[  236.923210][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.936376][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.191691][ T4249] Bluetooth: hci1: command 0x0406 tx timeout
[  237.243549][ T5543] loop1: detected capacity change from 0 to 32768
[  237.284624][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.292678][ T5543] CPU: 0 PID: 5543 Comm: syz.1.215 Not tainted syzkaller #0
[  237.299998][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  237.310065][ T5543] Call Trace:
[  237.313356][ T5543]  <TASK>
[  237.316296][ T5543]  dump_stack_lvl+0x188/0x250
[  237.320988][ T5543]  ? show_regs_print_info+0x20/0x20
[  237.326192][ T5543]  ? load_image+0x400/0x400
[  237.330720][ T5543]  sysfs_create_dir_ns+0x26a/0x290
[  237.335843][ T5543]  ? sysfs_warn_dup+0xa0/0xa0
[  237.340528][ T5543]  ? do_raw_spin_unlock+0x11d/0x230
[  237.345735][ T5543]  kobject_add_internal+0x6e0/0xd90
[  237.350945][ T5543]  kobject_init_and_add+0x128/0x190
[  237.356150][ T5543]  ? lockdep_softirqs_off+0x430/0x430
[  237.361536][ T5543]  ? kobject_add+0x230/0x230
[  237.366135][ T5543]  ? __init_swait_queue_head+0xa5/0x150
[  237.371693][ T5543]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.376469][ T5543]  ? gfs2_recover_set+0x240/0x240
[  237.381510][ T5543]  ? snprintf+0xe5/0x140
[  237.385730][ T5543]  ? __free_pages+0x95/0x1a0
[  237.390297][ T5543]  ? vscnprintf+0x80/0x80
[  237.394603][ T5543]  gfs2_fill_super+0x120f/0x1f00
[  237.399526][ T5543]  ? gfs2_reconfigure+0xd30/0xd30
[  237.404531][ T5543]  ? sb_set_blocksize+0xa5/0xe0
[  237.409360][ T5543]  get_tree_bdev+0x3f1/0x610
[  237.413925][ T5543]  ? gfs2_reconfigure+0xd30/0xd30
[  237.418926][ T5543]  gfs2_get_tree+0x4d/0x1e0
[  237.423408][ T5543]  vfs_get_tree+0x88/0x270
[  237.427799][ T5543]  do_new_mount+0x24a/0xa40
[  237.432280][ T5543]  __se_sys_mount+0x2e3/0x3d0
[  237.436934][ T5543]  ? __x64_sys_mount+0xc0/0xc0
[  237.441674][ T5543]  ? lockdep_hardirqs_on+0x94/0x140
[  237.446846][ T5543]  ? __x64_sys_mount+0x1c/0xc0
[  237.451587][ T5543]  do_syscall_64+0x4c/0xa0
[  237.455988][ T5543]  ? clear_bhb_loop+0x30/0x80
[  237.460638][ T5543]  ? clear_bhb_loop+0x30/0x80
[  237.465289][ T5543]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.471155][ T5543] RIP: 0033:0x7efd29fdef4a
[  237.475548][ T5543] 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
[  237.495173][ T5543] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.503572][ T5543] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  237.511573][ T5543] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  237.519546][ T5543] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  237.527498][ T5543] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  237.535448][ T5543] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  237.543413][ T5543]  </TASK>
[  237.548813][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.562663][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.857161][ T5545] loop1: detected capacity change from 0 to 32768
[  237.912235][ T5545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.919638][ T5545] CPU: 0 PID: 5545 Comm: syz.1.216 Not tainted syzkaller #0
[  237.926927][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  237.936996][ T5545] Call Trace:
[  237.940372][ T5545]  <TASK>
[  237.943299][ T5545]  dump_stack_lvl+0x188/0x250
[  237.947985][ T5545]  ? show_regs_print_info+0x20/0x20
[  237.953196][ T5545]  ? load_image+0x400/0x400
[  237.957720][ T5545]  sysfs_create_dir_ns+0x26a/0x290
[  237.962848][ T5545]  ? sysfs_warn_dup+0xa0/0xa0
[  237.967532][ T5545]  ? do_raw_spin_unlock+0x11d/0x230
[  237.972734][ T5545]  kobject_add_internal+0x6e0/0xd90
[  237.977945][ T5545]  kobject_init_and_add+0x128/0x190
[  237.983157][ T5545]  ? lockdep_softirqs_off+0x430/0x430
[  237.988537][ T5545]  ? kobject_add+0x230/0x230
[  237.993112][ T5545]  ? __init_swait_queue_head+0xa5/0x150
[  237.998642][ T5545]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.003384][ T5545]  ? gfs2_recover_set+0x240/0x240
[  238.008383][ T5545]  ? snprintf+0xe5/0x140
[  238.012602][ T5545]  ? __free_pages+0x95/0x1a0
[  238.017171][ T5545]  ? vscnprintf+0x80/0x80
[  238.021479][ T5545]  gfs2_fill_super+0x120f/0x1f00
[  238.026400][ T5545]  ? gfs2_reconfigure+0xd30/0xd30
[  238.031417][ T5545]  ? sb_set_blocksize+0xa5/0xe0
[  238.036244][ T5545]  get_tree_bdev+0x3f1/0x610
[  238.040831][ T5545]  ? gfs2_reconfigure+0xd30/0xd30
[  238.045831][ T5545]  gfs2_get_tree+0x4d/0x1e0
[  238.050309][ T5545]  vfs_get_tree+0x88/0x270
[  238.054700][ T5545]  do_new_mount+0x24a/0xa40
[  238.059184][ T5545]  __se_sys_mount+0x2e3/0x3d0
[  238.063840][ T5545]  ? __x64_sys_mount+0xc0/0xc0
[  238.068579][ T5545]  ? lockdep_hardirqs_on+0x94/0x140
[  238.073750][ T5545]  ? __x64_sys_mount+0x1c/0xc0
[  238.078492][ T5545]  do_syscall_64+0x4c/0xa0
[  238.082900][ T5545]  ? clear_bhb_loop+0x30/0x80
[  238.087554][ T5545]  ? clear_bhb_loop+0x30/0x80
[  238.092213][ T5545]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.098100][ T5545] RIP: 0033:0x7efd29fdef4a
[  238.102497][ T5545] 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
[  238.122082][ T5545] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.130489][ T5545] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  238.138443][ T5545] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  238.146391][ T5545] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  238.154338][ T5545] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  238.162284][ T5545] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  238.170254][ T5545]  </TASK>
[  238.175320][ T5545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.188511][ T5545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.477609][ T5547] loop1: detected capacity change from 0 to 32768
[  238.532872][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.540280][ T5547] CPU: 1 PID: 5547 Comm: syz.1.217 Not tainted syzkaller #0
[  238.547596][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  238.557664][ T5547] Call Trace:
[  238.560956][ T5547]  <TASK>
[  238.563892][ T5547]  dump_stack_lvl+0x188/0x250
[  238.568582][ T5547]  ? show_regs_print_info+0x20/0x20
[  238.573834][ T5547]  ? load_image+0x400/0x400
[  238.578359][ T5547]  sysfs_create_dir_ns+0x26a/0x290
[  238.583487][ T5547]  ? sysfs_warn_dup+0xa0/0xa0
[  238.588179][ T5547]  ? do_raw_spin_unlock+0x11d/0x230
[  238.593390][ T5547]  kobject_add_internal+0x6e0/0xd90
[  238.598606][ T5547]  kobject_init_and_add+0x128/0x190
[  238.603814][ T5547]  ? lockdep_softirqs_off+0x430/0x430
[  238.609198][ T5547]  ? kobject_add+0x230/0x230
[  238.613804][ T5547]  ? __init_swait_queue_head+0xa5/0x150
[  238.619356][ T5547]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.624106][ T5547]  ? gfs2_recover_set+0x240/0x240
[  238.629109][ T5547]  ? snprintf+0xe5/0x140
[  238.633323][ T5547]  ? __free_pages+0x95/0x1a0
[  238.637892][ T5547]  ? vscnprintf+0x80/0x80
[  238.642212][ T5547]  gfs2_fill_super+0x120f/0x1f00
[  238.647152][ T5547]  ? gfs2_reconfigure+0xd30/0xd30
[  238.652160][ T5547]  ? sb_set_blocksize+0xa5/0xe0
[  238.656988][ T5547]  get_tree_bdev+0x3f1/0x610
[  238.661555][ T5547]  ? gfs2_reconfigure+0xd30/0xd30
[  238.666562][ T5547]  gfs2_get_tree+0x4d/0x1e0
[  238.671042][ T5547]  vfs_get_tree+0x88/0x270
[  238.675433][ T5547]  do_new_mount+0x24a/0xa40
[  238.679917][ T5547]  __se_sys_mount+0x2e3/0x3d0
[  238.684571][ T5547]  ? __x64_sys_mount+0xc0/0xc0
[  238.689310][ T5547]  ? lockdep_hardirqs_on+0x94/0x140
[  238.694480][ T5547]  ? __x64_sys_mount+0x1c/0xc0
[  238.699220][ T5547]  do_syscall_64+0x4c/0xa0
[  238.703611][ T5547]  ? clear_bhb_loop+0x30/0x80
[  238.708270][ T5547]  ? clear_bhb_loop+0x30/0x80
[  238.712925][ T5547]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.718796][ T5547] RIP: 0033:0x7efd29fdef4a
[  238.723195][ T5547] 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
[  238.742795][ T5547] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.751190][ T5547] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  238.759139][ T5547] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  238.767091][ T5547] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  238.775041][ T5547] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  238.782990][ T5547] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  238.790947][ T5547]  </TASK>
[  238.794961][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.808101][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.101785][ T5549] loop1: detected capacity change from 0 to 32768
[  239.146743][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.154383][ T5549] CPU: 1 PID: 5549 Comm: syz.1.218 Not tainted syzkaller #0
[  239.161686][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  239.171776][ T5549] Call Trace:
[  239.175065][ T5549]  <TASK>
[  239.178007][ T5549]  dump_stack_lvl+0x188/0x250
[  239.182700][ T5549]  ? show_regs_print_info+0x20/0x20
[  239.187911][ T5549]  ? load_image+0x400/0x400
[  239.192435][ T5549]  sysfs_create_dir_ns+0x26a/0x290
[  239.197565][ T5549]  ? sysfs_warn_dup+0xa0/0xa0
[  239.202256][ T5549]  ? do_raw_spin_unlock+0x11d/0x230
[  239.207618][ T5549]  kobject_add_internal+0x6e0/0xd90
[  239.212838][ T5549]  kobject_init_and_add+0x128/0x190
[  239.218045][ T5549]  ? lockdep_softirqs_off+0x430/0x430
[  239.223435][ T5549]  ? kobject_add+0x230/0x230
[  239.228038][ T5549]  ? __init_swait_queue_head+0xa5/0x150
[  239.233593][ T5549]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.238345][ T5549]  ? gfs2_recover_set+0x240/0x240
[  239.243344][ T5549]  ? snprintf+0xe5/0x140
[  239.247564][ T5549]  ? __free_pages+0x95/0x1a0
[  239.252140][ T5549]  ? vscnprintf+0x80/0x80
[  239.256485][ T5549]  gfs2_fill_super+0x120f/0x1f00
[  239.261429][ T5549]  ? gfs2_reconfigure+0xd30/0xd30
[  239.266447][ T5549]  ? sb_set_blocksize+0xa5/0xe0
[  239.271278][ T5549]  get_tree_bdev+0x3f1/0x610
[  239.275861][ T5549]  ? gfs2_reconfigure+0xd30/0xd30
[  239.280881][ T5549]  gfs2_get_tree+0x4d/0x1e0
[  239.285392][ T5549]  vfs_get_tree+0x88/0x270
[  239.289808][ T5549]  do_new_mount+0x24a/0xa40
[  239.294322][ T5549]  __se_sys_mount+0x2e3/0x3d0
[  239.299018][ T5549]  ? __x64_sys_mount+0xc0/0xc0
[  239.303777][ T5549]  ? lockdep_hardirqs_on+0x94/0x140
[  239.308959][ T5549]  ? __x64_sys_mount+0x1c/0xc0
[  239.313702][ T5549]  do_syscall_64+0x4c/0xa0
[  239.318113][ T5549]  ? clear_bhb_loop+0x30/0x80
[  239.322775][ T5549]  ? clear_bhb_loop+0x30/0x80
[  239.327437][ T5549]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.333307][ T5549] RIP: 0033:0x7efd29fdef4a
[  239.337702][ T5549] 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
[  239.357306][ T5549] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.365709][ T5549] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  239.373781][ T5549] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  239.381740][ T5549] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  239.389714][ T5549] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  239.397668][ T5549] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  239.405744][ T5549]  </TASK>
[  239.409496][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.422711][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.738695][ T5551] loop1: detected capacity change from 0 to 32768
[  239.825541][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.833716][ T5551] CPU: 1 PID: 5551 Comm: syz.1.219 Not tainted syzkaller #0
[  239.841028][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  239.851094][ T5551] Call Trace:
[  239.854379][ T5551]  <TASK>
[  239.857321][ T5551]  dump_stack_lvl+0x188/0x250
[  239.862017][ T5551]  ? show_regs_print_info+0x20/0x20
[  239.867452][ T5551]  ? load_image+0x400/0x400
[  239.872096][ T5551]  sysfs_create_dir_ns+0x26a/0x290
[  239.877342][ T5551]  ? sysfs_warn_dup+0xa0/0xa0
[  239.882014][ T5551]  ? do_raw_spin_unlock+0x11d/0x230
[  239.887190][ T5551]  kobject_add_internal+0x6e0/0xd90
[  239.892368][ T5551]  kobject_init_and_add+0x128/0x190
[  239.897542][ T5551]  ? lockdep_softirqs_off+0x430/0x430
[  239.902892][ T5551]  ? kobject_add+0x230/0x230
[  239.907458][ T5551]  ? __init_swait_queue_head+0xa5/0x150
[  239.912991][ T5551]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.917758][ T5551]  ? gfs2_recover_set+0x240/0x240
[  239.922775][ T5551]  ? snprintf+0xe5/0x140
[  239.926998][ T5551]  ? __free_pages+0x95/0x1a0
[  239.931569][ T5551]  ? vscnprintf+0x80/0x80
[  239.935899][ T5551]  gfs2_fill_super+0x120f/0x1f00
[  239.940829][ T5551]  ? gfs2_reconfigure+0xd30/0xd30
[  239.945975][ T5551]  ? sb_set_blocksize+0xa5/0xe0
[  239.950832][ T5551]  get_tree_bdev+0x3f1/0x610
[  239.955444][ T5551]  ? gfs2_reconfigure+0xd30/0xd30
[  239.960466][ T5551]  gfs2_get_tree+0x4d/0x1e0
[  239.964952][ T5551]  vfs_get_tree+0x88/0x270
[  239.969362][ T5551]  do_new_mount+0x24a/0xa40
[  239.973843][ T5551]  __se_sys_mount+0x2e3/0x3d0
[  239.978496][ T5551]  ? __x64_sys_mount+0xc0/0xc0
[  239.983234][ T5551]  ? lockdep_hardirqs_on+0x94/0x140
[  239.988449][ T5551]  ? __x64_sys_mount+0x1c/0xc0
[  239.993216][ T5551]  do_syscall_64+0x4c/0xa0
[  239.997635][ T5551]  ? clear_bhb_loop+0x30/0x80
[  240.002295][ T5551]  ? clear_bhb_loop+0x30/0x80
[  240.006957][ T5551]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.012838][ T5551] RIP: 0033:0x7efd29fdef4a
[  240.017263][ T5551] 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
[  240.036858][ T5551] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.045258][ T5551] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  240.053212][ T5551] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  240.061164][ T5551] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  240.069127][ T5551] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  240.077078][ T5551] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  240.085033][ T5551]  </TASK>
[  240.089150][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.102334][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:56:29 executed programs: 205
[  240.433926][ T5553] loop1: detected capacity change from 0 to 32768
[  240.485020][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.492521][ T5553] CPU: 1 PID: 5553 Comm: syz.1.220 Not tainted syzkaller #0
[  240.499812][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  240.509866][ T5553] Call Trace:
[  240.513151][ T5553]  <TASK>
[  240.516089][ T5553]  dump_stack_lvl+0x188/0x250
[  240.520784][ T5553]  ? show_regs_print_info+0x20/0x20
[  240.525986][ T5553]  ? load_image+0x400/0x400
[  240.530517][ T5553]  sysfs_create_dir_ns+0x26a/0x290
[  240.535653][ T5553]  ? sysfs_warn_dup+0xa0/0xa0
[  240.540342][ T5553]  ? do_raw_spin_unlock+0x11d/0x230
[  240.545548][ T5553]  kobject_add_internal+0x6e0/0xd90
[  240.550762][ T5553]  kobject_init_and_add+0x128/0x190
[  240.555964][ T5553]  ? lockdep_softirqs_off+0x430/0x430
[  240.561349][ T5553]  ? kobject_add+0x230/0x230
[  240.565944][ T5553]  ? __init_swait_queue_head+0xa5/0x150
[  240.571491][ T5553]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.576242][ T5553]  ? gfs2_recover_set+0x240/0x240
[  240.581243][ T5553]  ? snprintf+0xe5/0x140
[  240.585485][ T5553]  ? __free_pages+0x95/0x1a0
[  240.590114][ T5553]  ? vscnprintf+0x80/0x80
[  240.594426][ T5553]  gfs2_fill_super+0x120f/0x1f00
[  240.599346][ T5553]  ? gfs2_reconfigure+0xd30/0xd30
[  240.604355][ T5553]  ? sb_set_blocksize+0xa5/0xe0
[  240.609182][ T5553]  get_tree_bdev+0x3f1/0x610
[  240.613750][ T5553]  ? gfs2_reconfigure+0xd30/0xd30
[  240.618782][ T5553]  gfs2_get_tree+0x4d/0x1e0
[  240.623272][ T5553]  vfs_get_tree+0x88/0x270
[  240.627665][ T5553]  do_new_mount+0x24a/0xa40
[  240.632151][ T5553]  __se_sys_mount+0x2e3/0x3d0
[  240.636805][ T5553]  ? __x64_sys_mount+0xc0/0xc0
[  240.641556][ T5553]  ? lockdep_hardirqs_on+0x94/0x140
[  240.646745][ T5553]  ? __x64_sys_mount+0x1c/0xc0
[  240.651486][ T5553]  do_syscall_64+0x4c/0xa0
[  240.655879][ T5553]  ? clear_bhb_loop+0x30/0x80
[  240.660541][ T5553]  ? clear_bhb_loop+0x30/0x80
[  240.665197][ T5553]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.671066][ T5553] RIP: 0033:0x7efd29fdef4a
[  240.675459][ T5553] 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
[  240.695051][ T5553] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.703457][ T5553] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  240.711438][ T5553] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  240.719393][ T5553] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  240.727361][ T5553] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  240.735333][ T5553] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  240.743310][ T5553]  </TASK>
[  240.747054][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.760484][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.062121][ T5555] loop1: detected capacity change from 0 to 32768
[  241.117520][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.127609][ T5555] CPU: 0 PID: 5555 Comm: syz.1.221 Not tainted syzkaller #0
[  241.135031][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  241.145093][ T5555] Call Trace:
[  241.148379][ T5555]  <TASK>
[  241.151329][ T5555]  dump_stack_lvl+0x188/0x250
[  241.156031][ T5555]  ? show_regs_print_info+0x20/0x20
[  241.161240][ T5555]  ? load_image+0x400/0x400
[  241.165764][ T5555]  sysfs_create_dir_ns+0x26a/0x290
[  241.170898][ T5555]  ? sysfs_warn_dup+0xa0/0xa0
[  241.175586][ T5555]  ? do_raw_spin_unlock+0x11d/0x230
[  241.180801][ T5555]  kobject_add_internal+0x6e0/0xd90
[  241.186015][ T5555]  kobject_init_and_add+0x128/0x190
[  241.191225][ T5555]  ? lockdep_softirqs_off+0x430/0x430
[  241.196628][ T5555]  ? kobject_add+0x230/0x230
[  241.201227][ T5555]  ? __init_swait_queue_head+0xa5/0x150
[  241.206791][ T5555]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.211561][ T5555]  ? gfs2_recover_set+0x240/0x240
[  241.216591][ T5555]  ? snprintf+0xe5/0x140
[  241.220824][ T5555]  ? __free_pages+0x95/0x1a0
[  241.225406][ T5555]  ? vscnprintf+0x80/0x80
[  241.229728][ T5555]  gfs2_fill_super+0x120f/0x1f00
[  241.234664][ T5555]  ? gfs2_reconfigure+0xd30/0xd30
[  241.239677][ T5555]  ? sb_set_blocksize+0xa5/0xe0
[  241.244639][ T5555]  get_tree_bdev+0x3f1/0x610
[  241.249208][ T5555]  ? gfs2_reconfigure+0xd30/0xd30
[  241.254215][ T5555]  gfs2_get_tree+0x4d/0x1e0
[  241.258710][ T5555]  vfs_get_tree+0x88/0x270
[  241.263111][ T5555]  do_new_mount+0x24a/0xa40
[  241.267696][ T5555]  __se_sys_mount+0x2e3/0x3d0
[  241.272467][ T5555]  ? __x64_sys_mount+0xc0/0xc0
[  241.277232][ T5555]  ? lockdep_hardirqs_on+0x94/0x140
[  241.282411][ T5555]  ? __x64_sys_mount+0x1c/0xc0
[  241.287161][ T5555]  do_syscall_64+0x4c/0xa0
[  241.291553][ T5555]  ? clear_bhb_loop+0x30/0x80
[  241.296215][ T5555]  ? clear_bhb_loop+0x30/0x80
[  241.300870][ T5555]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.306737][ T5555] RIP: 0033:0x7efd29fdef4a
[  241.311133][ T5555] 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
[  241.330715][ T5555] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.339108][ T5555] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  241.347064][ T5555] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  241.355013][ T5555] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  241.362962][ T5555] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  241.370927][ T5555] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  241.378898][ T5555]  </TASK>
[  241.383471][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.396635][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.703073][ T5557] loop1: detected capacity change from 0 to 32768
[  241.756037][ T5557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.769967][ T5557] CPU: 0 PID: 5557 Comm: syz.1.222 Not tainted syzkaller #0
[  241.777283][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  241.787343][ T5557] Call Trace:
[  241.790623][ T5557]  <TASK>
[  241.793555][ T5557]  dump_stack_lvl+0x188/0x250
[  241.798239][ T5557]  ? show_regs_print_info+0x20/0x20
[  241.803442][ T5557]  ? load_image+0x400/0x400
[  241.807964][ T5557]  sysfs_create_dir_ns+0x26a/0x290
[  241.813084][ T5557]  ? sysfs_warn_dup+0xa0/0xa0
[  241.817763][ T5557]  ? do_raw_spin_unlock+0x11d/0x230
[  241.822964][ T5557]  kobject_add_internal+0x6e0/0xd90
[  241.828174][ T5557]  kobject_init_and_add+0x128/0x190
[  241.833371][ T5557]  ? lockdep_softirqs_off+0x430/0x430
[  241.838740][ T5557]  ? kobject_add+0x230/0x230
[  241.843315][ T5557]  ? __init_swait_queue_head+0xa5/0x150
[  241.848841][ T5557]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.853582][ T5557]  ? gfs2_recover_set+0x240/0x240
[  241.858595][ T5557]  ? snprintf+0xe5/0x140
[  241.862810][ T5557]  ? __free_pages+0x95/0x1a0
[  241.867377][ T5557]  ? vscnprintf+0x80/0x80
[  241.871684][ T5557]  gfs2_fill_super+0x120f/0x1f00
[  241.876604][ T5557]  ? gfs2_reconfigure+0xd30/0xd30
[  241.881621][ T5557]  ? sb_set_blocksize+0xa5/0xe0
[  241.886463][ T5557]  get_tree_bdev+0x3f1/0x610
[  241.891035][ T5557]  ? gfs2_reconfigure+0xd30/0xd30
[  241.896034][ T5557]  gfs2_get_tree+0x4d/0x1e0
[  241.900512][ T5557]  vfs_get_tree+0x88/0x270
[  241.904906][ T5557]  do_new_mount+0x24a/0xa40
[  241.909392][ T5557]  __se_sys_mount+0x2e3/0x3d0
[  241.914048][ T5557]  ? __x64_sys_mount+0xc0/0xc0
[  241.918791][ T5557]  ? lockdep_hardirqs_on+0x94/0x140
[  241.923968][ T5557]  ? __x64_sys_mount+0x1c/0xc0
[  241.928707][ T5557]  do_syscall_64+0x4c/0xa0
[  241.933098][ T5557]  ? clear_bhb_loop+0x30/0x80
[  241.937749][ T5557]  ? clear_bhb_loop+0x30/0x80
[  241.942405][ T5557]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.948318][ T5557] RIP: 0033:0x7efd29fdef4a
[  241.952732][ T5557] 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
[  241.972323][ T5557] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.980712][ T5557] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  241.988663][ T5557] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  241.996616][ T5557] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  242.004567][ T5557] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  242.012516][ T5557] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  242.020473][ T5557]  </TASK>
[  242.025425][ T5557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.038595][ T5557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.353324][ T5559] loop1: detected capacity change from 0 to 32768
[  242.421531][ T5559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.429221][ T5559] CPU: 0 PID: 5559 Comm: syz.1.223 Not tainted syzkaller #0
[  242.436523][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  242.446583][ T5559] Call Trace:
[  242.449901][ T5559]  <TASK>
[  242.452827][ T5559]  dump_stack_lvl+0x188/0x250
[  242.457511][ T5559]  ? show_regs_print_info+0x20/0x20
[  242.462713][ T5559]  ? load_image+0x400/0x400
[  242.467238][ T5559]  sysfs_create_dir_ns+0x26a/0x290
[  242.472352][ T5559]  ? sysfs_warn_dup+0xa0/0xa0
[  242.477032][ T5559]  ? do_raw_spin_unlock+0x11d/0x230
[  242.482242][ T5559]  kobject_add_internal+0x6e0/0xd90
[  242.487451][ T5559]  kobject_init_and_add+0x128/0x190
[  242.492657][ T5559]  ? lockdep_softirqs_off+0x430/0x430
[  242.498030][ T5559]  ? kobject_add+0x230/0x230
[  242.502606][ T5559]  ? __init_swait_queue_head+0xa5/0x150
[  242.508131][ T5559]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.512871][ T5559]  ? gfs2_recover_set+0x240/0x240
[  242.517869][ T5559]  ? snprintf+0xe5/0x140
[  242.522082][ T5559]  ? __free_pages+0x95/0x1a0
[  242.526649][ T5559]  ? vscnprintf+0x80/0x80
[  242.530954][ T5559]  gfs2_fill_super+0x120f/0x1f00
[  242.535873][ T5559]  ? gfs2_reconfigure+0xd30/0xd30
[  242.540879][ T5559]  ? sb_set_blocksize+0xa5/0xe0
[  242.545704][ T5559]  get_tree_bdev+0x3f1/0x610
[  242.550279][ T5559]  ? gfs2_reconfigure+0xd30/0xd30
[  242.555283][ T5559]  gfs2_get_tree+0x4d/0x1e0
[  242.559963][ T5559]  vfs_get_tree+0x88/0x270
[  242.564357][ T5559]  do_new_mount+0x24a/0xa40
[  242.568839][ T5559]  __se_sys_mount+0x2e3/0x3d0
[  242.573490][ T5559]  ? __x64_sys_mount+0xc0/0xc0
[  242.578230][ T5559]  ? lockdep_hardirqs_on+0x94/0x140
[  242.583405][ T5559]  ? __x64_sys_mount+0x1c/0xc0
[  242.588141][ T5559]  do_syscall_64+0x4c/0xa0
[  242.592538][ T5559]  ? clear_bhb_loop+0x30/0x80
[  242.597189][ T5559]  ? clear_bhb_loop+0x30/0x80
[  242.601848][ T5559]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.607716][ T5559] RIP: 0033:0x7efd29fdef4a
[  242.612105][ T5559] 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
[  242.631691][ T5559] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.640088][ T5559] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  242.648043][ T5559] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  242.655996][ T5559] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  242.663954][ T5559] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  242.672000][ T5559] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  242.679965][ T5559]  </TASK>
[  242.684797][ T5559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.698068][ T5559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.985853][ T5561] loop1: detected capacity change from 0 to 32768
[  243.042352][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.049759][ T5561] CPU: 1 PID: 5561 Comm: syz.1.224 Not tainted syzkaller #0
[  243.057052][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  243.067132][ T5561] Call Trace:
[  243.070421][ T5561]  <TASK>
[  243.073459][ T5561]  dump_stack_lvl+0x188/0x250
[  243.078158][ T5561]  ? show_regs_print_info+0x20/0x20
[  243.083380][ T5561]  ? load_image+0x400/0x400
[  243.087903][ T5561]  sysfs_create_dir_ns+0x26a/0x290
[  243.093029][ T5561]  ? sysfs_warn_dup+0xa0/0xa0
[  243.097713][ T5561]  ? do_raw_spin_unlock+0x11d/0x230
[  243.102923][ T5561]  kobject_add_internal+0x6e0/0xd90
[  243.108139][ T5561]  kobject_init_and_add+0x128/0x190
[  243.113354][ T5561]  ? lockdep_softirqs_off+0x430/0x430
[  243.118826][ T5561]  ? kobject_add+0x230/0x230
[  243.123409][ T5561]  ? __init_swait_queue_head+0xa5/0x150
[  243.128946][ T5561]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.133699][ T5561]  ? gfs2_recover_set+0x240/0x240
[  243.138714][ T5561]  ? snprintf+0xe5/0x140
[  243.142939][ T5561]  ? __free_pages+0x95/0x1a0
[  243.147528][ T5561]  ? vscnprintf+0x80/0x80
[  243.151852][ T5561]  gfs2_fill_super+0x120f/0x1f00
[  243.156786][ T5561]  ? gfs2_reconfigure+0xd30/0xd30
[  243.161806][ T5561]  ? sb_set_blocksize+0xa5/0xe0
[  243.166639][ T5561]  get_tree_bdev+0x3f1/0x610
[  243.171216][ T5561]  ? gfs2_reconfigure+0xd30/0xd30
[  243.176218][ T5561]  gfs2_get_tree+0x4d/0x1e0
[  243.180712][ T5561]  vfs_get_tree+0x88/0x270
[  243.185119][ T5561]  do_new_mount+0x24a/0xa40
[  243.189615][ T5561]  __se_sys_mount+0x2e3/0x3d0
[  243.194333][ T5561]  ? __x64_sys_mount+0xc0/0xc0
[  243.199083][ T5561]  ? lockdep_hardirqs_on+0x94/0x140
[  243.204270][ T5561]  ? __x64_sys_mount+0x1c/0xc0
[  243.209010][ T5561]  do_syscall_64+0x4c/0xa0
[  243.213408][ T5561]  ? clear_bhb_loop+0x30/0x80
[  243.218068][ T5561]  ? clear_bhb_loop+0x30/0x80
[  243.222731][ T5561]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.229095][ T5561] RIP: 0033:0x7efd29fdef4a
[  243.233503][ T5561] 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
[  243.253098][ T5561] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.261504][ T5561] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  243.269456][ T5561] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  243.277407][ T5561] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  243.285359][ T5561] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  243.293318][ T5561] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  243.301285][ T5561]  </TASK>
[  243.305235][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.318664][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.609682][ T5563] loop1: detected capacity change from 0 to 32768
[  243.662071][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.669488][ T5563] CPU: 1 PID: 5563 Comm: syz.1.225 Not tainted syzkaller #0
[  243.676785][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  243.686848][ T5563] Call Trace:
[  243.690150][ T5563]  <TASK>
[  243.693088][ T5563]  dump_stack_lvl+0x188/0x250
[  243.697776][ T5563]  ? show_regs_print_info+0x20/0x20
[  243.702988][ T5563]  ? load_image+0x400/0x400
[  243.707512][ T5563]  sysfs_create_dir_ns+0x26a/0x290
[  243.712635][ T5563]  ? sysfs_warn_dup+0xa0/0xa0
[  243.717317][ T5563]  ? do_raw_spin_unlock+0x11d/0x230
[  243.722524][ T5563]  kobject_add_internal+0x6e0/0xd90
[  243.727734][ T5563]  kobject_init_and_add+0x128/0x190
[  243.733291][ T5563]  ? lockdep_softirqs_off+0x430/0x430
[  243.738653][ T5563]  ? kobject_add+0x230/0x230
[  243.743227][ T5563]  ? __init_swait_queue_head+0xa5/0x150
[  243.748753][ T5563]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.753499][ T5563]  ? gfs2_recover_set+0x240/0x240
[  243.758500][ T5563]  ? snprintf+0xe5/0x140
[  243.762724][ T5563]  ? __free_pages+0x95/0x1a0
[  243.767297][ T5563]  ? vscnprintf+0x80/0x80
[  243.771614][ T5563]  gfs2_fill_super+0x120f/0x1f00
[  243.776550][ T5563]  ? gfs2_reconfigure+0xd30/0xd30
[  243.781558][ T5563]  ? sb_set_blocksize+0xa5/0xe0
[  243.786400][ T5563]  get_tree_bdev+0x3f1/0x610
[  243.790971][ T5563]  ? gfs2_reconfigure+0xd30/0xd30
[  243.795972][ T5563]  gfs2_get_tree+0x4d/0x1e0
[  243.800454][ T5563]  vfs_get_tree+0x88/0x270
[  243.804849][ T5563]  do_new_mount+0x24a/0xa40
[  243.809332][ T5563]  __se_sys_mount+0x2e3/0x3d0
[  243.813988][ T5563]  ? __x64_sys_mount+0xc0/0xc0
[  243.818730][ T5563]  ? lockdep_hardirqs_on+0x94/0x140
[  243.823905][ T5563]  ? __x64_sys_mount+0x1c/0xc0
[  243.828650][ T5563]  do_syscall_64+0x4c/0xa0
[  243.833047][ T5563]  ? clear_bhb_loop+0x30/0x80
[  243.837698][ T5563]  ? clear_bhb_loop+0x30/0x80
[  243.842353][ T5563]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.848224][ T5563] RIP: 0033:0x7efd29fdef4a
[  243.852617][ T5563] 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
[  243.872202][ T5563] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.880594][ T5563] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  243.888548][ T5563] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  243.896502][ T5563] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  243.904456][ T5563] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  243.912408][ T5563] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  243.920366][ T5563]  </TASK>
[  243.924027][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.937410][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.239139][ T5565] loop1: detected capacity change from 0 to 32768
[  244.294413][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.302011][ T5565] CPU: 0 PID: 5565 Comm: syz.1.226 Not tainted syzkaller #0
[  244.309302][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  244.319368][ T5565] Call Trace:
[  244.322649][ T5565]  <TASK>
[  244.325582][ T5565]  dump_stack_lvl+0x188/0x250
[  244.330271][ T5565]  ? show_regs_print_info+0x20/0x20
[  244.335522][ T5565]  ? load_image+0x400/0x400
[  244.340042][ T5565]  sysfs_create_dir_ns+0x26a/0x290
[  244.345175][ T5565]  ? sysfs_warn_dup+0xa0/0xa0
[  244.350027][ T5565]  ? do_raw_spin_unlock+0x11d/0x230
[  244.355229][ T5565]  kobject_add_internal+0x6e0/0xd90
[  244.360443][ T5565]  kobject_init_and_add+0x128/0x190
[  244.365730][ T5565]  ? lockdep_softirqs_off+0x430/0x430
[  244.371086][ T5565]  ? kobject_add+0x230/0x230
[  244.375652][ T5565]  ? __init_swait_queue_head+0xa5/0x150
[  244.381185][ T5565]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.385924][ T5565]  ? gfs2_recover_set+0x240/0x240
[  244.390922][ T5565]  ? snprintf+0xe5/0x140
[  244.395139][ T5565]  ? __free_pages+0x95/0x1a0
[  244.399706][ T5565]  ? vscnprintf+0x80/0x80
[  244.404013][ T5565]  gfs2_fill_super+0x120f/0x1f00
[  244.408940][ T5565]  ? gfs2_reconfigure+0xd30/0xd30
[  244.413953][ T5565]  ? sb_set_blocksize+0xa5/0xe0
[  244.418782][ T5565]  get_tree_bdev+0x3f1/0x610
[  244.423350][ T5565]  ? gfs2_reconfigure+0xd30/0xd30
[  244.428352][ T5565]  gfs2_get_tree+0x4d/0x1e0
[  244.432831][ T5565]  vfs_get_tree+0x88/0x270
[  244.437226][ T5565]  do_new_mount+0x24a/0xa40
[  244.441709][ T5565]  __se_sys_mount+0x2e3/0x3d0
[  244.446366][ T5565]  ? __x64_sys_mount+0xc0/0xc0
[  244.451102][ T5565]  ? lockdep_hardirqs_on+0x94/0x140
[  244.456275][ T5565]  ? __x64_sys_mount+0x1c/0xc0
[  244.461016][ T5565]  do_syscall_64+0x4c/0xa0
[  244.465406][ T5565]  ? clear_bhb_loop+0x30/0x80
[  244.470058][ T5565]  ? clear_bhb_loop+0x30/0x80
[  244.474707][ T5565]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.480574][ T5565] RIP: 0033:0x7efd29fdef4a
[  244.484965][ T5565] 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
[  244.504543][ T5565] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.512933][ T5565] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  244.520897][ T5565] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  244.528858][ T5565] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  244.536807][ T5565] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  244.544756][ T5565] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  244.552715][ T5565]  </TASK>
[  244.557535][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.570850][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.878785][ T5567] loop1: detected capacity change from 0 to 32768
[  244.973702][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.981247][ T5567] CPU: 1 PID: 5567 Comm: syz.1.227 Not tainted syzkaller #0
[  244.988538][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  244.998599][ T5567] Call Trace:
[  245.001882][ T5567]  <TASK>
[  245.004813][ T5567]  dump_stack_lvl+0x188/0x250
[  245.009502][ T5567]  ? show_regs_print_info+0x20/0x20
[  245.014712][ T5567]  ? load_image+0x400/0x400
[  245.019235][ T5567]  sysfs_create_dir_ns+0x26a/0x290
[  245.024352][ T5567]  ? sysfs_warn_dup+0xa0/0xa0
[  245.029038][ T5567]  ? do_raw_spin_unlock+0x11d/0x230
[  245.034221][ T5567]  kobject_add_internal+0x6e0/0xd90
[  245.039400][ T5567]  kobject_init_and_add+0x128/0x190
[  245.044574][ T5567]  ? lockdep_softirqs_off+0x430/0x430
[  245.049924][ T5567]  ? kobject_add+0x230/0x230
[  245.054491][ T5567]  ? __init_swait_queue_head+0xa5/0x150
[  245.060019][ T5567]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.064767][ T5567]  ? gfs2_recover_set+0x240/0x240
[  245.069768][ T5567]  ? snprintf+0xe5/0x140
[  245.074003][ T5567]  ? __free_pages+0x95/0x1a0
[  245.078574][ T5567]  ? vscnprintf+0x80/0x80
[  245.082896][ T5567]  gfs2_fill_super+0x120f/0x1f00
[  245.087834][ T5567]  ? gfs2_reconfigure+0xd30/0xd30
[  245.092844][ T5567]  ? sb_set_blocksize+0xa5/0xe0
[  245.097676][ T5567]  get_tree_bdev+0x3f1/0x610
[  245.102250][ T5567]  ? gfs2_reconfigure+0xd30/0xd30
[  245.107269][ T5567]  gfs2_get_tree+0x4d/0x1e0
[  245.111754][ T5567]  vfs_get_tree+0x88/0x270
[  245.116158][ T5567]  do_new_mount+0x24a/0xa40
[  245.120642][ T5567]  __se_sys_mount+0x2e3/0x3d0
[  245.125294][ T5567]  ? __x64_sys_mount+0xc0/0xc0
[  245.130046][ T5567]  ? lockdep_hardirqs_on+0x94/0x140
[  245.135231][ T5567]  ? __x64_sys_mount+0x1c/0xc0
[  245.139974][ T5567]  do_syscall_64+0x4c/0xa0
[  245.144365][ T5567]  ? clear_bhb_loop+0x30/0x80
[  245.149110][ T5567]  ? clear_bhb_loop+0x30/0x80
[  245.153761][ T5567]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.159631][ T5567] RIP: 0033:0x7efd29fdef4a
[  245.164034][ T5567] 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
[  245.183619][ T5567] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.192016][ T5567] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  245.199967][ T5567] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  245.207914][ T5567] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  245.215865][ T5567] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  245.223815][ T5567] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  245.231783][ T5567]  </TASK>
[  245.235806][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.248961][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:56:34 executed programs: 213
[  245.559882][ T5569] loop1: detected capacity change from 0 to 32768
[  245.607902][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.615449][ T5569] CPU: 1 PID: 5569 Comm: syz.1.228 Not tainted syzkaller #0
[  245.622742][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  245.632884][ T5569] Call Trace:
[  245.636180][ T5569]  <TASK>
[  245.639114][ T5569]  dump_stack_lvl+0x188/0x250
[  245.643810][ T5569]  ? show_regs_print_info+0x20/0x20
[  245.649027][ T5569]  ? load_image+0x400/0x400
[  245.653552][ T5569]  sysfs_create_dir_ns+0x26a/0x290
[  245.658669][ T5569]  ? sysfs_warn_dup+0xa0/0xa0
[  245.663347][ T5569]  ? do_raw_spin_unlock+0x11d/0x230
[  245.668552][ T5569]  kobject_add_internal+0x6e0/0xd90
[  245.673767][ T5569]  kobject_init_and_add+0x128/0x190
[  245.678969][ T5569]  ? lockdep_softirqs_off+0x430/0x430
[  245.684354][ T5569]  ? kobject_add+0x230/0x230
[  245.688951][ T5569]  ? __init_swait_queue_head+0xa5/0x150
[  245.694501][ T5569]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.699266][ T5569]  ? gfs2_recover_set+0x240/0x240
[  245.704288][ T5569]  ? snprintf+0xe5/0x140
[  245.708603][ T5569]  ? __free_pages+0x95/0x1a0
[  245.713200][ T5569]  ? vscnprintf+0x80/0x80
[  245.717515][ T5569]  gfs2_fill_super+0x120f/0x1f00
[  245.722453][ T5569]  ? gfs2_reconfigure+0xd30/0xd30
[  245.727477][ T5569]  ? sb_set_blocksize+0xa5/0xe0
[  245.732307][ T5569]  get_tree_bdev+0x3f1/0x610
[  245.736872][ T5569]  ? gfs2_reconfigure+0xd30/0xd30
[  245.741880][ T5569]  gfs2_get_tree+0x4d/0x1e0
[  245.746373][ T5569]  vfs_get_tree+0x88/0x270
[  245.750763][ T5569]  do_new_mount+0x24a/0xa40
[  245.755245][ T5569]  __se_sys_mount+0x2e3/0x3d0
[  245.759903][ T5569]  ? __x64_sys_mount+0xc0/0xc0
[  245.764643][ T5569]  ? lockdep_hardirqs_on+0x94/0x140
[  245.769818][ T5569]  ? __x64_sys_mount+0x1c/0xc0
[  245.774559][ T5569]  do_syscall_64+0x4c/0xa0
[  245.778950][ T5569]  ? clear_bhb_loop+0x30/0x80
[  245.783627][ T5569]  ? clear_bhb_loop+0x30/0x80
[  245.788278][ T5569]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.794150][ T5569] RIP: 0033:0x7efd29fdef4a
[  245.798543][ T5569] 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
[  245.818126][ T5569] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.826519][ T5569] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  245.834484][ T5569] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  245.842438][ T5569] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  245.850398][ T5569] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  245.858351][ T5569] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  245.866309][ T5569]  </TASK>
[  245.875440][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.888689][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.165879][ T5571] loop1: detected capacity change from 0 to 32768
[  246.255363][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.262825][ T5571] CPU: 0 PID: 5571 Comm: syz.1.229 Not tainted syzkaller #0
[  246.270116][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  246.280174][ T5571] Call Trace:
[  246.283449][ T5571]  <TASK>
[  246.286386][ T5571]  dump_stack_lvl+0x188/0x250
[  246.291078][ T5571]  ? show_regs_print_info+0x20/0x20
[  246.296299][ T5571]  ? load_image+0x400/0x400
[  246.300831][ T5571]  sysfs_create_dir_ns+0x26a/0x290
[  246.305951][ T5571]  ? sysfs_warn_dup+0xa0/0xa0
[  246.310635][ T5571]  ? do_raw_spin_unlock+0x11d/0x230
[  246.315859][ T5571]  kobject_add_internal+0x6e0/0xd90
[  246.321050][ T5571]  kobject_init_and_add+0x128/0x190
[  246.326236][ T5571]  ? lockdep_softirqs_off+0x430/0x430
[  246.331613][ T5571]  ? kobject_add+0x230/0x230
[  246.336194][ T5571]  ? __init_swait_queue_head+0xa5/0x150
[  246.341723][ T5571]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.346473][ T5571]  ? gfs2_recover_set+0x240/0x240
[  246.351477][ T5571]  ? snprintf+0xe5/0x140
[  246.355693][ T5571]  ? __free_pages+0x95/0x1a0
[  246.360276][ T5571]  ? vscnprintf+0x80/0x80
[  246.364586][ T5571]  gfs2_fill_super+0x120f/0x1f00
[  246.369506][ T5571]  ? gfs2_reconfigure+0xd30/0xd30
[  246.374513][ T5571]  ? sb_set_blocksize+0xa5/0xe0
[  246.379343][ T5571]  get_tree_bdev+0x3f1/0x610
[  246.383911][ T5571]  ? gfs2_reconfigure+0xd30/0xd30
[  246.388916][ T5571]  gfs2_get_tree+0x4d/0x1e0
[  246.393403][ T5571]  vfs_get_tree+0x88/0x270
[  246.397821][ T5571]  do_new_mount+0x24a/0xa40
[  246.402303][ T5571]  __se_sys_mount+0x2e3/0x3d0
[  246.406957][ T5571]  ? __x64_sys_mount+0xc0/0xc0
[  246.411704][ T5571]  ? lockdep_hardirqs_on+0x94/0x140
[  246.416877][ T5571]  ? __x64_sys_mount+0x1c/0xc0
[  246.421619][ T5571]  do_syscall_64+0x4c/0xa0
[  246.426020][ T5571]  ? clear_bhb_loop+0x30/0x80
[  246.430673][ T5571]  ? clear_bhb_loop+0x30/0x80
[  246.435322][ T5571]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.441210][ T5571] RIP: 0033:0x7efd29fdef4a
[  246.445605][ T5571] 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
[  246.465183][ T5571] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.473573][ T5571] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  246.481523][ T5571] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  246.489469][ T5571] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  246.497415][ T5571] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  246.505364][ T5571] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  246.513317][ T5571]  </TASK>
[  246.518006][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.531193][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.840251][ T5573] loop1: detected capacity change from 0 to 32768
[  246.894363][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.903066][ T5573] CPU: 1 PID: 5573 Comm: syz.1.230 Not tainted syzkaller #0
[  246.910379][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  246.920442][ T5573] Call Trace:
[  246.923734][ T5573]  <TASK>
[  246.926667][ T5573]  dump_stack_lvl+0x188/0x250
[  246.931356][ T5573]  ? show_regs_print_info+0x20/0x20
[  246.936558][ T5573]  ? load_image+0x400/0x400
[  246.941079][ T5573]  sysfs_create_dir_ns+0x26a/0x290
[  246.946198][ T5573]  ? sysfs_warn_dup+0xa0/0xa0
[  246.950883][ T5573]  ? do_raw_spin_unlock+0x11d/0x230
[  246.956086][ T5573]  kobject_add_internal+0x6e0/0xd90
[  246.961295][ T5573]  kobject_init_and_add+0x128/0x190
[  246.966496][ T5573]  ? lockdep_softirqs_off+0x430/0x430
[  246.971874][ T5573]  ? kobject_add+0x230/0x230
[  246.976468][ T5573]  ? __init_swait_queue_head+0xa5/0x150
[  246.981998][ T5573]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.986739][ T5573]  ? gfs2_recover_set+0x240/0x240
[  246.991738][ T5573]  ? snprintf+0xe5/0x140
[  246.995953][ T5573]  ? __free_pages+0x95/0x1a0
[  247.000519][ T5573]  ? vscnprintf+0x80/0x80
[  247.004833][ T5573]  gfs2_fill_super+0x120f/0x1f00
[  247.009931][ T5573]  ? gfs2_reconfigure+0xd30/0xd30
[  247.014944][ T5573]  ? sb_set_blocksize+0xa5/0xe0
[  247.019770][ T5573]  get_tree_bdev+0x3f1/0x610
[  247.024338][ T5573]  ? gfs2_reconfigure+0xd30/0xd30
[  247.029339][ T5573]  gfs2_get_tree+0x4d/0x1e0
[  247.033819][ T5573]  vfs_get_tree+0x88/0x270
[  247.038215][ T5573]  do_new_mount+0x24a/0xa40
[  247.042705][ T5573]  __se_sys_mount+0x2e3/0x3d0
[  247.047359][ T5573]  ? __x64_sys_mount+0xc0/0xc0
[  247.052104][ T5573]  ? lockdep_hardirqs_on+0x94/0x140
[  247.057293][ T5573]  ? __x64_sys_mount+0x1c/0xc0
[  247.062036][ T5573]  do_syscall_64+0x4c/0xa0
[  247.066428][ T5573]  ? clear_bhb_loop+0x30/0x80
[  247.071079][ T5573]  ? clear_bhb_loop+0x30/0x80
[  247.075726][ T5573]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.081598][ T5573] RIP: 0033:0x7efd29fdef4a
[  247.085996][ T5573] 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
[  247.105703][ T5573] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.114105][ T5573] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  247.122065][ T5573] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  247.130014][ T5573] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  247.137967][ T5573] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  247.145928][ T5573] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  247.153898][ T5573]  </TASK>
[  247.163143][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.176397][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.500724][ T5575] loop1: detected capacity change from 0 to 32768
[  247.593522][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.600936][ T5575] CPU: 0 PID: 5575 Comm: syz.1.231 Not tainted syzkaller #0
[  247.608229][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  247.618290][ T5575] Call Trace:
[  247.621574][ T5575]  <TASK>
[  247.624510][ T5575]  dump_stack_lvl+0x188/0x250
[  247.629199][ T5575]  ? show_regs_print_info+0x20/0x20
[  247.634401][ T5575]  ? load_image+0x400/0x400
[  247.638923][ T5575]  sysfs_create_dir_ns+0x26a/0x290
[  247.644043][ T5575]  ? sysfs_warn_dup+0xa0/0xa0
[  247.648702][ T5575]  ? do_raw_spin_unlock+0x11d/0x230
[  247.653879][ T5575]  kobject_add_internal+0x6e0/0xd90
[  247.659060][ T5575]  kobject_init_and_add+0x128/0x190
[  247.664234][ T5575]  ? lockdep_softirqs_off+0x430/0x430
[  247.669593][ T5575]  ? kobject_add+0x230/0x230
[  247.674163][ T5575]  ? __init_swait_queue_head+0xa5/0x150
[  247.679691][ T5575]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.684435][ T5575]  ? gfs2_recover_set+0x240/0x240
[  247.689440][ T5575]  ? snprintf+0xe5/0x140
[  247.693657][ T5575]  ? __free_pages+0x95/0x1a0
[  247.698231][ T5575]  ? vscnprintf+0x80/0x80
[  247.702544][ T5575]  gfs2_fill_super+0x120f/0x1f00
[  247.707465][ T5575]  ? gfs2_reconfigure+0xd30/0xd30
[  247.712478][ T5575]  ? sb_set_blocksize+0xa5/0xe0
[  247.717308][ T5575]  get_tree_bdev+0x3f1/0x610
[  247.721876][ T5575]  ? gfs2_reconfigure+0xd30/0xd30
[  247.726882][ T5575]  gfs2_get_tree+0x4d/0x1e0
[  247.731373][ T5575]  vfs_get_tree+0x88/0x270
[  247.735786][ T5575]  do_new_mount+0x24a/0xa40
[  247.740279][ T5575]  __se_sys_mount+0x2e3/0x3d0
[  247.744946][ T5575]  ? __x64_sys_mount+0xc0/0xc0
[  247.749750][ T5575]  ? lockdep_hardirqs_on+0x94/0x140
[  247.754926][ T5575]  ? __x64_sys_mount+0x1c/0xc0
[  247.759669][ T5575]  do_syscall_64+0x4c/0xa0
[  247.764066][ T5575]  ? clear_bhb_loop+0x30/0x80
[  247.768718][ T5575]  ? clear_bhb_loop+0x30/0x80
[  247.773371][ T5575]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.779239][ T5575] RIP: 0033:0x7efd29fdef4a
[  247.783631][ T5575] 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
[  247.803216][ T5575] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.811615][ T5575] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  247.819569][ T5575] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  247.827528][ T5575] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  247.835482][ T5575] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  247.843433][ T5575] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  247.851395][ T5575]  </TASK>
[  247.856325][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.869531][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.176599][ T5577] loop1: detected capacity change from 0 to 32768
[  248.223889][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.239357][ T5577] CPU: 1 PID: 5577 Comm: syz.1.232 Not tainted syzkaller #0
[  248.246762][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  248.256838][ T5577] Call Trace:
[  248.260140][ T5577]  <TASK>
[  248.263078][ T5577]  dump_stack_lvl+0x188/0x250
[  248.267774][ T5577]  ? show_regs_print_info+0x20/0x20
[  248.272976][ T5577]  ? load_image+0x400/0x400
[  248.277497][ T5577]  sysfs_create_dir_ns+0x26a/0x290
[  248.282613][ T5577]  ? sysfs_warn_dup+0xa0/0xa0
[  248.287379][ T5577]  ? do_raw_spin_unlock+0x11d/0x230
[  248.292579][ T5577]  kobject_add_internal+0x6e0/0xd90
[  248.297789][ T5577]  kobject_init_and_add+0x128/0x190
[  248.303141][ T5577]  ? lockdep_softirqs_off+0x430/0x430
[  248.308530][ T5577]  ? kobject_add+0x230/0x230
[  248.313120][ T5577]  ? __init_swait_queue_head+0xa5/0x150
[  248.318674][ T5577]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.323415][ T5577]  ? gfs2_recover_set+0x240/0x240
[  248.328414][ T5577]  ? snprintf+0xe5/0x140
[  248.332628][ T5577]  ? __free_pages+0x95/0x1a0
[  248.337201][ T5577]  ? vscnprintf+0x80/0x80
[  248.341515][ T5577]  gfs2_fill_super+0x120f/0x1f00
[  248.346437][ T5577]  ? gfs2_reconfigure+0xd30/0xd30
[  248.351450][ T5577]  ? sb_set_blocksize+0xa5/0xe0
[  248.356279][ T5577]  get_tree_bdev+0x3f1/0x610
[  248.360844][ T5577]  ? gfs2_reconfigure+0xd30/0xd30
[  248.365932][ T5577]  gfs2_get_tree+0x4d/0x1e0
[  248.370410][ T5577]  vfs_get_tree+0x88/0x270
[  248.374802][ T5577]  do_new_mount+0x24a/0xa40
[  248.379284][ T5577]  __se_sys_mount+0x2e3/0x3d0
[  248.383936][ T5577]  ? __x64_sys_mount+0xc0/0xc0
[  248.388674][ T5577]  ? lockdep_hardirqs_on+0x94/0x140
[  248.393845][ T5577]  ? __x64_sys_mount+0x1c/0xc0
[  248.398588][ T5577]  do_syscall_64+0x4c/0xa0
[  248.402978][ T5577]  ? clear_bhb_loop+0x30/0x80
[  248.407629][ T5577]  ? clear_bhb_loop+0x30/0x80
[  248.412279][ T5577]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.418148][ T5577] RIP: 0033:0x7efd29fdef4a
[  248.422545][ T5577] 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
[  248.442219][ T5577] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.450635][ T5577] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  248.458594][ T5577] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  248.466541][ T5577] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  248.474502][ T5577] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  248.482464][ T5577] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  248.490431][ T5577]  </TASK>
[  248.496237][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.509626][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.809016][ T5579] loop1: detected capacity change from 0 to 32768
[  248.860591][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.868085][ T5579] CPU: 0 PID: 5579 Comm: syz.1.233 Not tainted syzkaller #0
[  248.875376][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  248.885437][ T5579] Call Trace:
[  248.888717][ T5579]  <TASK>
[  248.891646][ T5579]  dump_stack_lvl+0x188/0x250
[  248.896329][ T5579]  ? show_regs_print_info+0x20/0x20
[  248.901529][ T5579]  ? load_image+0x400/0x400
[  248.906048][ T5579]  sysfs_create_dir_ns+0x26a/0x290
[  248.911181][ T5579]  ? sysfs_warn_dup+0xa0/0xa0
[  248.915861][ T5579]  ? do_raw_spin_unlock+0x11d/0x230
[  248.921066][ T5579]  kobject_add_internal+0x6e0/0xd90
[  248.926274][ T5579]  kobject_init_and_add+0x128/0x190
[  248.931478][ T5579]  ? lockdep_softirqs_off+0x430/0x430
[  248.936867][ T5579]  ? kobject_add+0x230/0x230
[  248.941466][ T5579]  ? __init_swait_queue_head+0xa5/0x150
[  248.947035][ T5579]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.951789][ T5579]  ? gfs2_recover_set+0x240/0x240
[  248.956807][ T5579]  ? snprintf+0xe5/0x140
[  248.961038][ T5579]  ? __free_pages+0x95/0x1a0
[  248.965608][ T5579]  ? vscnprintf+0x80/0x80
[  248.969920][ T5579]  gfs2_fill_super+0x120f/0x1f00
[  248.974844][ T5579]  ? gfs2_reconfigure+0xd30/0xd30
[  248.979856][ T5579]  ? sb_set_blocksize+0xa5/0xe0
[  248.984683][ T5579]  get_tree_bdev+0x3f1/0x610
[  248.989253][ T5579]  ? gfs2_reconfigure+0xd30/0xd30
[  248.994258][ T5579]  gfs2_get_tree+0x4d/0x1e0
[  248.998739][ T5579]  vfs_get_tree+0x88/0x270
[  249.003134][ T5579]  do_new_mount+0x24a/0xa40
[  249.007615][ T5579]  __se_sys_mount+0x2e3/0x3d0
[  249.012275][ T5579]  ? __x64_sys_mount+0xc0/0xc0
[  249.017033][ T5579]  ? lockdep_hardirqs_on+0x94/0x140
[  249.022228][ T5579]  ? __x64_sys_mount+0x1c/0xc0
[  249.026970][ T5579]  do_syscall_64+0x4c/0xa0
[  249.031362][ T5579]  ? clear_bhb_loop+0x30/0x80
[  249.036028][ T5579]  ? clear_bhb_loop+0x30/0x80
[  249.040682][ T5579]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.046638][ T5579] RIP: 0033:0x7efd29fdef4a
[  249.051033][ T5579] 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
[  249.070628][ T5579] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.079029][ T5579] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  249.086986][ T5579] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  249.094939][ T5579] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  249.102890][ T5579] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  249.110846][ T5579] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  249.118810][ T5579]  </TASK>
[  249.123661][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.136841][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.447441][ T5581] loop1: detected capacity change from 0 to 32768
[  249.487214][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.494836][ T5581] CPU: 1 PID: 5581 Comm: syz.1.234 Not tainted syzkaller #0
[  249.502132][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  249.512199][ T5581] Call Trace:
[  249.515481][ T5581]  <TASK>
[  249.518415][ T5581]  dump_stack_lvl+0x188/0x250
[  249.523100][ T5581]  ? show_regs_print_info+0x20/0x20
[  249.528390][ T5581]  ? load_image+0x400/0x400
[  249.532911][ T5581]  sysfs_create_dir_ns+0x26a/0x290
[  249.538031][ T5581]  ? sysfs_warn_dup+0xa0/0xa0
[  249.542714][ T5581]  ? do_raw_spin_unlock+0x11d/0x230
[  249.547917][ T5581]  kobject_add_internal+0x6e0/0xd90
[  249.553126][ T5581]  kobject_init_and_add+0x128/0x190
[  249.558330][ T5581]  ? lockdep_softirqs_off+0x430/0x430
[  249.563707][ T5581]  ? kobject_add+0x230/0x230
[  249.568316][ T5581]  ? __init_swait_queue_head+0xa5/0x150
[  249.573848][ T5581]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.578592][ T5581]  ? gfs2_recover_set+0x240/0x240
[  249.583591][ T5581]  ? snprintf+0xe5/0x140
[  249.587810][ T5581]  ? __free_pages+0x95/0x1a0
[  249.592381][ T5581]  ? vscnprintf+0x80/0x80
[  249.596705][ T5581]  gfs2_fill_super+0x120f/0x1f00
[  249.601639][ T5581]  ? gfs2_reconfigure+0xd30/0xd30
[  249.606659][ T5581]  ? sb_set_blocksize+0xa5/0xe0
[  249.611484][ T5581]  get_tree_bdev+0x3f1/0x610
[  249.616051][ T5581]  ? gfs2_reconfigure+0xd30/0xd30
[  249.621052][ T5581]  gfs2_get_tree+0x4d/0x1e0
[  249.625531][ T5581]  vfs_get_tree+0x88/0x270
[  249.629956][ T5581]  do_new_mount+0x24a/0xa40
[  249.634439][ T5581]  __se_sys_mount+0x2e3/0x3d0
[  249.639098][ T5581]  ? __x64_sys_mount+0xc0/0xc0
[  249.643841][ T5581]  ? lockdep_hardirqs_on+0x94/0x140
[  249.649015][ T5581]  ? __x64_sys_mount+0x1c/0xc0
[  249.653753][ T5581]  do_syscall_64+0x4c/0xa0
[  249.658144][ T5581]  ? clear_bhb_loop+0x30/0x80
[  249.662794][ T5581]  ? clear_bhb_loop+0x30/0x80
[  249.667460][ T5581]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.673337][ T5581] RIP: 0033:0x7efd29fdef4a
[  249.677732][ T5581] 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
[  249.697340][ T5581] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.705831][ T5581] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  249.713790][ T5581] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  249.721753][ T5581] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  249.729714][ T5581] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  249.737660][ T5581] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  249.745623][ T5581]  </TASK>
[  249.750290][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.763503][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.060527][ T5583] loop1: detected capacity change from 0 to 32768
[  250.111458][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.118950][ T5583] CPU: 1 PID: 5583 Comm: syz.1.235 Not tainted syzkaller #0
[  250.126246][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  250.136310][ T5583] Call Trace:
[  250.139593][ T5583]  <TASK>
[  250.142523][ T5583]  dump_stack_lvl+0x188/0x250
[  250.147207][ T5583]  ? show_regs_print_info+0x20/0x20
[  250.152409][ T5583]  ? load_image+0x400/0x400
[  250.156930][ T5583]  sysfs_create_dir_ns+0x26a/0x290
[  250.162139][ T5583]  ? sysfs_warn_dup+0xa0/0xa0
[  250.166820][ T5583]  ? do_raw_spin_unlock+0x11d/0x230
[  250.172116][ T5583]  kobject_add_internal+0x6e0/0xd90
[  250.177321][ T5583]  kobject_init_and_add+0x128/0x190
[  250.182520][ T5583]  ? lockdep_softirqs_off+0x430/0x430
[  250.187891][ T5583]  ? kobject_add+0x230/0x230
[  250.192463][ T5583]  ? __init_swait_queue_head+0xa5/0x150
[  250.197989][ T5583]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.202741][ T5583]  ? gfs2_recover_set+0x240/0x240
[  250.207759][ T5583]  ? snprintf+0xe5/0x140
[  250.211979][ T5583]  ? __free_pages+0x95/0x1a0
[  250.216546][ T5583]  ? vscnprintf+0x80/0x80
[  250.220855][ T5583]  gfs2_fill_super+0x120f/0x1f00
[  250.225775][ T5583]  ? gfs2_reconfigure+0xd30/0xd30
[  250.230786][ T5583]  ? sb_set_blocksize+0xa5/0xe0
[  250.235616][ T5583]  get_tree_bdev+0x3f1/0x610
[  250.240185][ T5583]  ? gfs2_reconfigure+0xd30/0xd30
[  250.245187][ T5583]  gfs2_get_tree+0x4d/0x1e0
[  250.249671][ T5583]  vfs_get_tree+0x88/0x270
[  250.254066][ T5583]  do_new_mount+0x24a/0xa40
[  250.258569][ T5583]  __se_sys_mount+0x2e3/0x3d0
[  250.263232][ T5583]  ? __x64_sys_mount+0xc0/0xc0
[  250.267991][ T5583]  ? lockdep_hardirqs_on+0x94/0x140
[  250.273166][ T5583]  ? __x64_sys_mount+0x1c/0xc0
[  250.277905][ T5583]  do_syscall_64+0x4c/0xa0
[  250.282305][ T5583]  ? clear_bhb_loop+0x30/0x80
[  250.286982][ T5583]  ? clear_bhb_loop+0x30/0x80
[  250.291656][ T5583]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.297550][ T5583] RIP: 0033:0x7efd29fdef4a
[  250.301951][ T5583] 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
[  250.321553][ T5583] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.329972][ T5583] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  250.338010][ T5583] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  250.345964][ T5583] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  250.353918][ T5583] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  250.361875][ T5583] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  250.369849][ T5583]  </TASK>
[  250.376712][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.390405][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/13 07:56:39 executed programs: 221
[  250.692223][ T5585] loop1: detected capacity change from 0 to 32768
[  250.740545][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.748068][ T5585] CPU: 1 PID: 5585 Comm: syz.1.236 Not tainted syzkaller #0
[  250.755360][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  250.765419][ T5585] Call Trace:
[  250.768696][ T5585]  <TASK>
[  250.771621][ T5585]  dump_stack_lvl+0x188/0x250
[  250.776305][ T5585]  ? show_regs_print_info+0x20/0x20
[  250.781507][ T5585]  ? load_image+0x400/0x400
[  250.786027][ T5585]  sysfs_create_dir_ns+0x26a/0x290
[  250.791146][ T5585]  ? sysfs_warn_dup+0xa0/0xa0
[  250.795833][ T5585]  ? do_raw_spin_unlock+0x11d/0x230
[  250.801035][ T5585]  kobject_add_internal+0x6e0/0xd90
[  250.806250][ T5585]  kobject_init_and_add+0x128/0x190
[  250.811458][ T5585]  ? lockdep_softirqs_off+0x430/0x430
[  250.816832][ T5585]  ? kobject_add+0x230/0x230
[  250.821406][ T5585]  ? __init_swait_queue_head+0xa5/0x150
[  250.826931][ T5585]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.831806][ T5585]  ? gfs2_recover_set+0x240/0x240
[  250.836927][ T5585]  ? snprintf+0xe5/0x140
[  250.841157][ T5585]  ? __free_pages+0x95/0x1a0
[  250.845732][ T5585]  ? vscnprintf+0x80/0x80
[  250.850129][ T5585]  gfs2_fill_super+0x120f/0x1f00
[  250.855050][ T5585]  ? gfs2_reconfigure+0xd30/0xd30
[  250.860073][ T5585]  ? sb_set_blocksize+0xa5/0xe0
[  250.864900][ T5585]  get_tree_bdev+0x3f1/0x610
[  250.869468][ T5585]  ? gfs2_reconfigure+0xd30/0xd30
[  250.874471][ T5585]  gfs2_get_tree+0x4d/0x1e0
[  250.878963][ T5585]  vfs_get_tree+0x88/0x270
[  250.883372][ T5585]  do_new_mount+0x24a/0xa40
[  250.887867][ T5585]  __se_sys_mount+0x2e3/0x3d0
[  250.892529][ T5585]  ? __x64_sys_mount+0xc0/0xc0
[  250.897277][ T5585]  ? lockdep_hardirqs_on+0x94/0x140
[  250.902454][ T5585]  ? __x64_sys_mount+0x1c/0xc0
[  250.907220][ T5585]  do_syscall_64+0x4c/0xa0
[  250.911615][ T5585]  ? clear_bhb_loop+0x30/0x80
[  250.916624][ T5585]  ? clear_bhb_loop+0x30/0x80
[  250.921275][ T5585]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.927144][ T5585] RIP: 0033:0x7efd29fdef4a
[  250.931538][ T5585] 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
[  250.951127][ T5585] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.959524][ T5585] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  250.967479][ T5585] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  250.975429][ T5585] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  250.983399][ T5585] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  250.991348][ T5585] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  250.999306][ T5585]  </TASK>
[  251.003263][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.016660][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.312440][ T5587] loop1: detected capacity change from 0 to 32768
[  251.391424][ T5587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.398966][ T5587] CPU: 1 PID: 5587 Comm: syz.1.237 Not tainted syzkaller #0
[  251.406266][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  251.416330][ T5587] Call Trace:
[  251.419610][ T5587]  <TASK>
[  251.422539][ T5587]  dump_stack_lvl+0x188/0x250
[  251.427229][ T5587]  ? show_regs_print_info+0x20/0x20
[  251.432435][ T5587]  ? load_image+0x400/0x400
[  251.436958][ T5587]  sysfs_create_dir_ns+0x26a/0x290
[  251.442075][ T5587]  ? sysfs_warn_dup+0xa0/0xa0
[  251.446759][ T5587]  ? do_raw_spin_unlock+0x11d/0x230
[  251.451971][ T5587]  kobject_add_internal+0x6e0/0xd90
[  251.457191][ T5587]  kobject_init_and_add+0x128/0x190
[  251.462394][ T5587]  ? lockdep_softirqs_off+0x430/0x430
[  251.467773][ T5587]  ? kobject_add+0x230/0x230
[  251.472350][ T5587]  ? __init_swait_queue_head+0xa5/0x150
[  251.477878][ T5587]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.482631][ T5587]  ? gfs2_recover_set+0x240/0x240
[  251.487645][ T5587]  ? snprintf+0xe5/0x140
[  251.491861][ T5587]  ? __free_pages+0x95/0x1a0
[  251.496426][ T5587]  ? vscnprintf+0x80/0x80
[  251.500733][ T5587]  gfs2_fill_super+0x120f/0x1f00
[  251.505654][ T5587]  ? gfs2_reconfigure+0xd30/0xd30
[  251.510667][ T5587]  ? sb_set_blocksize+0xa5/0xe0
[  251.515498][ T5587]  get_tree_bdev+0x3f1/0x610
[  251.520068][ T5587]  ? gfs2_reconfigure+0xd30/0xd30
[  251.525071][ T5587]  gfs2_get_tree+0x4d/0x1e0
[  251.529556][ T5587]  vfs_get_tree+0x88/0x270
[  251.533949][ T5587]  do_new_mount+0x24a/0xa40
[  251.538437][ T5587]  __se_sys_mount+0x2e3/0x3d0
[  251.543101][ T5587]  ? __x64_sys_mount+0xc0/0xc0
[  251.547860][ T5587]  ? lockdep_hardirqs_on+0x94/0x140
[  251.553039][ T5587]  ? __x64_sys_mount+0x1c/0xc0
[  251.557787][ T5587]  do_syscall_64+0x4c/0xa0
[  251.562200][ T5587]  ? clear_bhb_loop+0x30/0x80
[  251.566892][ T5587]  ? clear_bhb_loop+0x30/0x80
[  251.571543][ T5587]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.577419][ T5587] RIP: 0033:0x7efd29fdef4a
[  251.581817][ T5587] 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
[  251.601415][ T5587] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.609811][ T5587] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  251.617776][ T5587] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  251.625735][ T5587] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  251.633692][ T5587] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  251.641653][ T5587] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  251.649625][ T5587]  </TASK>
[  251.657250][ T5587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.670737][ T5587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.976060][ T5589] loop1: detected capacity change from 0 to 32768
[  252.035194][ T5589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.042742][ T5589] CPU: 1 PID: 5589 Comm: syz.1.238 Not tainted syzkaller #0
[  252.050038][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  252.060100][ T5589] Call Trace:
[  252.063385][ T5589]  <TASK>
[  252.066316][ T5589]  dump_stack_lvl+0x188/0x250
[  252.071006][ T5589]  ? show_regs_print_info+0x20/0x20
[  252.076222][ T5589]  ? load_image+0x400/0x400
[  252.080744][ T5589]  sysfs_create_dir_ns+0x26a/0x290
[  252.085862][ T5589]  ? sysfs_warn_dup+0xa0/0xa0
[  252.090541][ T5589]  ? do_raw_spin_unlock+0x11d/0x230
[  252.095745][ T5589]  kobject_add_internal+0x6e0/0xd90
[  252.100955][ T5589]  kobject_init_and_add+0x128/0x190
[  252.106150][ T5589]  ? lockdep_softirqs_off+0x430/0x430
[  252.111503][ T5589]  ? kobject_add+0x230/0x230
[  252.116071][ T5589]  ? __init_swait_queue_head+0xa5/0x150
[  252.121602][ T5589]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.126361][ T5589]  ? gfs2_recover_set+0x240/0x240
[  252.131361][ T5589]  ? snprintf+0xe5/0x140
[  252.135578][ T5589]  ? __free_pages+0x95/0x1a0
[  252.140145][ T5589]  ? vscnprintf+0x80/0x80
[  252.144458][ T5589]  gfs2_fill_super+0x120f/0x1f00
[  252.149391][ T5589]  ? gfs2_reconfigure+0xd30/0xd30
[  252.154405][ T5589]  ? sb_set_blocksize+0xa5/0xe0
[  252.159240][ T5589]  get_tree_bdev+0x3f1/0x610
[  252.163848][ T5589]  ? gfs2_reconfigure+0xd30/0xd30
[  252.168855][ T5589]  gfs2_get_tree+0x4d/0x1e0
[  252.173343][ T5589]  vfs_get_tree+0x88/0x270
[  252.177739][ T5589]  do_new_mount+0x24a/0xa40
[  252.182223][ T5589]  __se_sys_mount+0x2e3/0x3d0
[  252.186883][ T5589]  ? __x64_sys_mount+0xc0/0xc0
[  252.191629][ T5589]  ? lockdep_hardirqs_on+0x94/0x140
[  252.196987][ T5589]  ? __x64_sys_mount+0x1c/0xc0
[  252.201729][ T5589]  do_syscall_64+0x4c/0xa0
[  252.206124][ T5589]  ? clear_bhb_loop+0x30/0x80
[  252.210777][ T5589]  ? clear_bhb_loop+0x30/0x80
[  252.215431][ T5589]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.221307][ T5589] RIP: 0033:0x7efd29fdef4a
[  252.225705][ T5589] 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
[  252.245296][ T5589] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.253697][ T5589] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  252.261653][ T5589] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  252.269617][ T5589] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  252.277576][ T5589] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  252.285540][ T5589] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  252.293505][ T5589]  </TASK>
[  252.297449][ T5589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.311035][ T5589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.613430][ T5591] loop1: detected capacity change from 0 to 32768
[  252.662093][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.669498][ T5591] CPU: 0 PID: 5591 Comm: syz.1.239 Not tainted syzkaller #0
[  252.677050][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  252.687112][ T5591] Call Trace:
[  252.690392][ T5591]  <TASK>
[  252.693319][ T5591]  dump_stack_lvl+0x188/0x250
[  252.698010][ T5591]  ? show_regs_print_info+0x20/0x20
[  252.703305][ T5591]  ? load_image+0x400/0x400
[  252.707832][ T5591]  sysfs_create_dir_ns+0x26a/0x290
[  252.712948][ T5591]  ? sysfs_warn_dup+0xa0/0xa0
[  252.717634][ T5591]  ? do_raw_spin_unlock+0x11d/0x230
[  252.722839][ T5591]  kobject_add_internal+0x6e0/0xd90
[  252.728051][ T5591]  kobject_init_and_add+0x128/0x190
[  252.733244][ T5591]  ? lockdep_softirqs_off+0x430/0x430
[  252.738621][ T5591]  ? kobject_add+0x230/0x230
[  252.743198][ T5591]  ? __init_swait_queue_head+0xa5/0x150
[  252.748726][ T5591]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.753470][ T5591]  ? gfs2_recover_set+0x240/0x240
[  252.758471][ T5591]  ? snprintf+0xe5/0x140
[  252.762687][ T5591]  ? __free_pages+0x95/0x1a0
[  252.767257][ T5591]  ? vscnprintf+0x80/0x80
[  252.771567][ T5591]  gfs2_fill_super+0x120f/0x1f00
[  252.776501][ T5591]  ? gfs2_reconfigure+0xd30/0xd30
[  252.781513][ T5591]  ? sb_set_blocksize+0xa5/0xe0
[  252.786340][ T5591]  get_tree_bdev+0x3f1/0x610
[  252.790909][ T5591]  ? gfs2_reconfigure+0xd30/0xd30
[  252.795910][ T5591]  gfs2_get_tree+0x4d/0x1e0
[  252.800392][ T5591]  vfs_get_tree+0x88/0x270
[  252.804791][ T5591]  do_new_mount+0x24a/0xa40
[  252.809273][ T5591]  __se_sys_mount+0x2e3/0x3d0
[  252.813927][ T5591]  ? __x64_sys_mount+0xc0/0xc0
[  252.818665][ T5591]  ? lockdep_hardirqs_on+0x94/0x140
[  252.823839][ T5591]  ? __x64_sys_mount+0x1c/0xc0
[  252.828579][ T5591]  do_syscall_64+0x4c/0xa0
[  252.832971][ T5591]  ? clear_bhb_loop+0x30/0x80
[  252.837623][ T5591]  ? clear_bhb_loop+0x30/0x80
[  252.842297][ T5591]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.848192][ T5591] RIP: 0033:0x7efd29fdef4a
[  252.852584][ T5591] 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
[  252.872170][ T5591] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.880578][ T5591] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  252.888528][ T5591] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  252.896474][ T5591] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  252.904421][ T5591] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  252.912374][ T5591] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  252.920329][ T5591]  </TASK>
[  252.925299][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.938438][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.031738][   T27] INFO: task syz-executor:4855 blocked for more than 143 seconds.
[  253.039783][   T27]       Not tainted syzkaller #0
[  253.046521][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  253.057422][   T27] task:syz-executor    state:D stack:21968 pid: 4855 ppid:     1 flags:0x00004004
[  253.066918][   T27] Call Trace:
[  253.070198][   T27]  <TASK>
[  253.075387][   T27]  __schedule+0x11ef/0x43c0
[  253.079914][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  253.085423][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  253.091323][   T27]  ? _raw_spin_unlock+0x40/0x40
[  253.111955][   T27]  ? release_firmware_map_entry+0x190/0x190
[  253.117893][   T27]  ? __mod_timer+0x91e/0xd00
[  253.123590][   T27]  schedule+0x11b/0x1e0
[  253.127779][   T27]  schedule_timeout+0x184/0x2d0
[  253.132988][   T27]  ? console_conditional_schedule+0x40/0x40
[  253.138899][   T27]  ? update_process_times+0x200/0x200
[  253.145891][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  253.151380][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  253.156778][   T27]  ? thaw_glock+0x150/0x150
[  253.161297][   T27]  ? gfs2_jindex_free+0x3de/0x450
[  253.168665][   T27]  ? init_wait_entry+0xd0/0xd0
[  253.173701][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  253.178312][   T27]  gfs2_put_super+0x769/0x7d0
[  253.185244][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  253.190456][   T27]  generic_shutdown_super+0x130/0x300
[  253.196160][   T27]  kill_block_super+0x7c/0xe0
[  253.200848][   T27]  deactivate_locked_super+0x93/0xf0
[  253.208386][   T27]  cleanup_mnt+0x42d/0x4e0
[  253.213028][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  253.218234][   T27]  task_work_run+0x125/0x1a0
[  253.225072][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  253.230466][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  253.236354][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  253.243991][   T27]  do_syscall_64+0x58/0xa0
[  253.248809][   T27]  ? clear_bhb_loop+0x30/0x80
[  253.254982][   T27]  ? clear_bhb_loop+0x30/0x80
[  253.259687][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.268206][   T27] RIP: 0033:0x7f10091a0f17
[  253.273005][   T27] RSP: 002b:00007ffdb8002838 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  253.281430][   T27] RAX: 0000000000000000 RBX: 00007f100920971f RCX: 00007f10091a0f17
[  253.289855][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb80028f0
[  253.298170][   T27] RBP: 00007ffdb80028f0 R08: 00007ffdb80038f0 R09: 00000000ffffffff
[  253.306446][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdb8003980
[  253.314677][   T27] R13: 00007f100920971f R14: 00000000000173ee R15: 00007ffdb80039c0
[  253.322932][   T27]  </TASK>
[  253.325999][   T27] 
[  253.325999][   T27] Showing all locks held in the system:
[  253.334259][   T27] 1 lock held by khungtaskd/27:
[  253.339114][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  253.349288][   T27] 2 locks held by getty/3954:
[  253.354478][   T27]  #0: ffff88814cdb6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  253.362841][ T5593] loop1: detected capacity change from 0 to 32768
[  253.365660][   T27]  #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  253.380854][   T27] 1 lock held by syz-executor/4855:
[  253.386125][   T27]  #0: ffff88805b93e0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  253.396360][   T27] 1 lock held by udevd/5118:
[  253.400948][   T27]  #0: ffff8880200f2118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[  253.410992][   T27] 2 locks held by syz.1.240/5593:
[  253.416073][   T27]  #0: ffff8880200f2118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  253.425454][   T27]  #1: ffff888147761468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  253.434495][   T27] 
[  253.436824][   T27] =============================================
[  253.436824][   T27] 
[  253.445604][   T27] NMI backtrace for cpu 1
[  253.449931][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  253.457102][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  253.467135][   T27] Call Trace:
[  253.470391][   T27]  <TASK>
[  253.473300][   T27]  dump_stack_lvl+0x188/0x250
[  253.477960][   T27]  ? show_regs_print_info+0x20/0x20
[  253.483133][   T27]  ? load_image+0x400/0x400
[  253.487611][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  253.492957][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  253.498044][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  253.502956][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  253.509080][   T27]  ? _printk+0xda/0x130
[  253.513211][   T27]  ? load_image+0x400/0x400
[  253.517689][   T27]  ? load_image+0x400/0x400
[  253.522166][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  253.528206][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  253.534161][   T27]  watchdog+0xe0f/0xe50
[  253.538296][   T27]  kthread+0x436/0x520
[  253.542357][   T27]  ? hungtask_pm_notify+0x40/0x40
[  253.547355][   T27]  ? kthread_blkcg+0xd0/0xd0
[  253.551917][   T27]  ret_from_fork+0x1f/0x30
[  253.556317][   T27]  </TASK>
[  253.559693][   T27] Sending NMI from CPU 1 to CPUs 0:
[  253.565041][    C0] NMI backtrace for cpu 0
[  253.565051][    C0] CPU: 0 PID: 3560 Comm: udevd Not tainted syzkaller #0
[  253.565066][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  253.565074][    C0] RIP: 0010:__lock_acquire+0x987/0x7d10
[  253.565097][    C0] Code: b6 04 00 84 c0 0f 85 61 01 00 00 83 3d d1 7f d0 14 00 74 6a 45 31 f6 49 81 c6 b8 00 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 00 <84> c0 0f 85 e9 00 00 00 41 0f b6 06 84 c0 74 0e 41 0f b6 cd 44 0f
[  253.565110][    C0] RSP: 0018:ffffc90002ebed20 EFLAGS: 00000802
[  253.565123][    C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815d0f65
[  253.565133][    C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901d20f8
[  253.565143][    C0] RBP: ffffc90002ebef70 R08: dffffc0000000000 R09: 1ffffffff203a41f
[  253.565154][    C0] R10: dffffc0000000000 R11: fffffbfff203a420 R12: ffff88807d308b10
[  253.565165][    C0] R13: ffff88807d308b04 R14: ffffffff8fb6fab8 R15: ffff88807d308b10
[  253.565176][    C0] FS:  00007ff5d8587880(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  253.565189][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.565200][    C0] CR2: 00007efd29fc6ec0 CR3: 000000002ae62000 CR4: 00000000003506f0
[  253.565213][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  253.565222][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  253.565231][    C0] Call Trace:
[  253.565235][    C0]  <TASK>
[  253.565249][    C0]  ? verify_lock_unused+0x140/0x140
[  253.565269][    C0]  ? mark_lock+0x94/0x320
[  253.565281][    C0]  ? verify_lock_unused+0x140/0x140
[  253.565296][    C0]  ? __lock_acquire+0x13bc/0x7d10
[  253.565314][    C0]  lock_acquire+0x19e/0x400
[  253.565329][    C0]  ? rcu_lock_acquire+0x5/0x30
[  253.565346][    C0]  ? read_lock_is_recursive+0x10/0x10
[  253.565363][    C0]  ? deref_stack_reg+0xd0/0x120
[  253.565379][    C0]  ? preempt_count_add+0x8d/0x190
[  253.565395][    C0]  rcu_lock_acquire+0x2a/0x30
[  253.565408][    C0]  ? rcu_lock_acquire+0x5/0x30
[  253.565421][    C0]  is_bpf_text_address+0x1d/0x270
[  253.565436][    C0]  __kernel_text_address+0x9a/0x100
[  253.565453][    C0]  unwind_get_return_address+0x49/0x80
[  253.565468][    C0]  ? stack_trace_save+0xf0/0xf0
[  253.565482][    C0]  arch_stack_walk+0xf2/0x140
[  253.565500][    C0]  ? kfree+0xef/0x2a0
[  253.565512][    C0]  stack_trace_save+0xa6/0xf0
[  253.565525][    C0]  ? stack_trace_snprint+0xf0/0xf0
[  253.565540][    C0]  ? kfree+0xef/0x2a0
[  253.565552][    C0]  kasan_set_track+0x4b/0x70
[  253.565566][    C0]  ? kasan_set_track+0x4b/0x70
[  253.565579][    C0]  ? kasan_set_free_info+0x1f/0x40
[  253.565593][    C0]  ? ____kasan_slab_free+0xd5/0x110
[  253.565613][    C0]  ? slab_free_freelist_hook+0xea/0x170
[  253.565626][    C0]  ? kfree+0xef/0x2a0
[  253.565638][    C0]  ? tomoyo_realpath_from_path+0x5d8/0x610
[  253.565652][    C0]  ? tomoyo_check_open_permission+0x1eb/0x410
[  253.565668][    C0]  ? security_file_open+0x5e/0xa0
[  253.565684][    C0]  ? do_dentry_open+0x322/0xf80
[  253.565699][    C0]  ? path_openat+0x26f5/0x2fa0
[  253.565713][    C0]  ? do_filp_open+0x1e2/0x410
[  253.565725][    C0]  ? do_sys_openat2+0x150/0x4b0
[  253.565737][    C0]  ? __x64_sys_openat+0x135/0x160
[  253.565749][    C0]  ? do_syscall_64+0x4c/0xa0
[  253.565763][    C0]  ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.565790][    C0]  kasan_set_free_info+0x1f/0x40
[  253.565805][    C0]  ____kasan_slab_free+0xd5/0x110
[  253.565820][    C0]  slab_free_freelist_hook+0xea/0x170
[  253.565835][    C0]  ? tomoyo_realpath_from_path+0x5d8/0x610
[  253.565849][    C0]  kfree+0xef/0x2a0
[  253.565870][    C0]  tomoyo_realpath_from_path+0x5d8/0x610
[  253.565888][    C0]  tomoyo_check_open_permission+0x1eb/0x410
[  253.565905][    C0]  ? tomoyo_check_path_number_acl+0x280/0x280
[  253.565930][    C0]  ? __lock_acquire+0x7d10/0x7d10
[  253.565946][    C0]  ? __rwlock_init+0x140/0x140
[  253.565959][    C0]  ? hook_file_open+0xf1/0x230
[  253.565973][    C0]  ? tomoyo_file_open+0xe9/0x170
[  253.565986][    C0]  security_file_open+0x5e/0xa0
[  253.566002][    C0]  do_dentry_open+0x322/0xf80
[  253.566021][    C0]  path_openat+0x26f5/0x2fa0
[  253.566041][    C0]  ? verify_lock_unused+0x140/0x140
[  253.566058][    C0]  ? slab_post_alloc_hook+0x4c/0x380
[  253.566073][    C0]  ? do_filp_open+0x410/0x410
[  253.566092][    C0]  do_filp_open+0x1e2/0x410
[  253.566108][    C0]  ? vfs_tmpfile+0x300/0x300
[  253.566127][    C0]  ? _raw_spin_unlock+0x24/0x40
[  253.566140][    C0]  ? alloc_fd+0x598/0x630
[  253.566154][    C0]  do_sys_openat2+0x150/0x4b0
[  253.566167][    C0]  ? __lock_acquire+0x7d10/0x7d10
[  253.566183][    C0]  ? do_sys_open+0xe0/0xe0
[  253.566196][    C0]  ? lockdep_hardirqs_on_prepare+0x409/0x770
[  253.566213][    C0]  ? lock_chain_count+0x20/0x20
[  253.566228][    C0]  ? vtime_user_exit+0x2c8/0x3e0
[  253.566244][    C0]  __x64_sys_openat+0x135/0x160
[  253.566258][    C0]  do_syscall_64+0x4c/0xa0
[  253.566271][    C0]  ? clear_bhb_loop+0x30/0x80
[  253.566285][    C0]  ? clear_bhb_loop+0x30/0x80
[  253.566298][    C0]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.566313][    C0] RIP: 0033:0x7ff5d86e3c3a
[  253.566324][    C0] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24
[  253.566336][    C0] RSP: 002b:00007ffdeae606c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
[  253.566350][    C0] RAX: ffffffffffffffda RBX: 00005560b3f78380 RCX: 00007ff5d86e3c3a
[  253.566361][    C0] RDX: 0000000000090800 RSI: 00005560b3f4b420 RDI: 00000000ffffff9c
[  253.566371][    C0] RBP: 00005560b3f4b420 R08: 0000000000000000 R09: 0000000000000001
[  253.566380][    C0] R10: 0000000000000000 R11: 0000000000000206 R12: 00005560b3f477b0
[  253.566389][    C0] R13: 00000000000000ff R14: 00005560a6672be0 R15: 00007ffdeae60950
[  253.566403][    C0]  </TASK>
[  253.580141][ T5593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.582035][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  253.596971][ T5593] CPU: 0 PID: 5593 Comm: syz.1.240 Not tainted syzkaller #0
[  254.144018][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  254.154062][ T5593] Call Trace:
[  254.157329][ T5593]  <TASK>
[  254.160246][ T5593]  dump_stack_lvl+0x188/0x250
[  254.164913][ T5593]  ? show_regs_print_info+0x20/0x20
[  254.170109][ T5593]  ? load_image+0x400/0x400
[  254.174604][ T5593]  sysfs_create_dir_ns+0x26a/0x290
[  254.179701][ T5593]  ? sysfs_warn_dup+0xa0/0xa0
[  254.184359][ T5593]  ? do_raw_spin_unlock+0x11d/0x230
[  254.189541][ T5593]  kobject_add_internal+0x6e0/0xd90
[  254.194727][ T5593]  kobject_init_and_add+0x128/0x190
[  254.199908][ T5593]  ? lockdep_softirqs_off+0x430/0x430
[  254.205266][ T5593]  ? kobject_add+0x230/0x230
[  254.209841][ T5593]  ? __init_swait_queue_head+0xa5/0x150
[  254.215374][ T5593]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.220124][ T5593]  ? gfs2_recover_set+0x240/0x240
[  254.225129][ T5593]  ? snprintf+0xe5/0x140
[  254.229350][ T5593]  ? __free_pages+0x95/0x1a0
[  254.233937][ T5593]  ? vscnprintf+0x80/0x80
[  254.238277][ T5593]  gfs2_fill_super+0x120f/0x1f00
[  254.243224][ T5593]  ? gfs2_reconfigure+0xd30/0xd30
[  254.248252][ T5593]  ? sb_set_blocksize+0xa5/0xe0
[  254.253089][ T5593]  get_tree_bdev+0x3f1/0x610
[  254.257666][ T5593]  ? gfs2_reconfigure+0xd30/0xd30
[  254.262675][ T5593]  gfs2_get_tree+0x4d/0x1e0
[  254.267164][ T5593]  vfs_get_tree+0x88/0x270
[  254.271562][ T5593]  do_new_mount+0x24a/0xa40
[  254.276055][ T5593]  __se_sys_mount+0x2e3/0x3d0
[  254.280747][ T5593]  ? __x64_sys_mount+0xc0/0xc0
[  254.285493][ T5593]  ? lockdep_hardirqs_on+0x94/0x140
[  254.290674][ T5593]  ? __x64_sys_mount+0x1c/0xc0
[  254.295422][ T5593]  do_syscall_64+0x4c/0xa0
[  254.299817][ T5593]  ? clear_bhb_loop+0x30/0x80
[  254.304473][ T5593]  ? clear_bhb_loop+0x30/0x80
[  254.309131][ T5593]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.315003][ T5593] RIP: 0033:0x7efd29fdef4a
[  254.319401][ T5593] 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
[  254.338989][ T5593] RSP: 002b:00007efd29640e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.347384][ T5593] RAX: ffffffffffffffda RBX: 00007efd29640ee0 RCX: 00007efd29fdef4a
[  254.355336][ T5593] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007efd29640ea0
[  254.363289][ T5593] RBP: 00002000000002c0 R08: 00007efd29640ee0 R09: 0000000000008c9b
[  254.371243][ T5593] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  254.379197][ T5593] R13: 00007efd29640ea0 R14: 0000000000012760 R15: 0000200000000400
[  254.387160][ T5593]  </TASK>
[  254.390167][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  254.397372][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  254.407424][   T27] Call Trace:
[  254.410688][   T27]  <TASK>
[  254.413602][   T27]  dump_stack_lvl+0x188/0x250
[  254.418268][   T27]  ? show_regs_print_info+0x20/0x20
[  254.423454][   T27]  ? load_image+0x400/0x400
[  254.427977][   T27]  panic+0x2e5/0x810
[  254.431853][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  254.437467][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  254.441952][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  254.448089][   T27]  watchdog+0xe4e/0xe50
[  254.452232][   T27]  kthread+0x436/0x520
[  254.456284][   T27]  ? hungtask_pm_notify+0x40/0x40
[  254.461284][   T27]  ? kthread_blkcg+0xd0/0xd0
[  254.465855][   T27]  ret_from_fork+0x1f/0x30
[  254.470258][   T27]  </TASK>
[  254.473567][   T27] Kernel Offset: disabled
[  254.477883][   T27] Rebooting in 86400 seconds..