0]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.344235][ T6630]  ? __raw_spin_lock_init+0x45/0x100
[  222.344257][ T6630]  ? __init_swait_queue_head+0xa9/0x150
[  222.344278][ T6630]  gfs2_sys_fs_add+0x234/0x450
[  222.344309][ T6630]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.344342][ T6630]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.344371][ T6630]  gfs2_fill_super+0x13c0/0x20d0
[  222.344401][ T6630]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.344425][ T6630]  ? sb_set_blocksize+0x104/0x180
[  222.344453][ T6630]  ? setup_bdev_super+0x4c1/0x5b0
[  222.344480][ T6630]  get_tree_bdev_flags+0x40e/0x4d0
[  222.344504][ T6630]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.344526][ T6630]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.344555][ T6630]  gfs2_get_tree+0x51/0x1e0
[  222.344579][ T6630]  vfs_get_tree+0x92/0x2b0
[  222.344604][ T6630]  do_new_mount+0x2a2/0xa30
[  222.344631][ T6630]  ? ns_capable+0x8a/0xf0
[  222.344660][ T6630]  ? __pfx_do_new_mount+0x10/0x10
[  222.344685][ T6630]  ? path_mount+0x61c/0xfe0
[  222.344709][ T6630]  ? user_path_at+0x44/0x60
[  222.344732][ T6630]  __se_sys_mount+0x317/0x410
[  222.344761][ T6630]  ? __pfx___se_sys_mount+0x10/0x10
[  222.344790][ T6630]  ? rcu_is_watching+0x15/0xb0
[  222.344819][ T6630]  ? __x64_sys_mount+0x20/0xc0
[  222.344845][ T6630]  do_syscall_64+0xfa/0xfa0
[  222.344869][ T6630]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.344891][ T6630]  ? clear_bhb_loop+0x60/0xb0
[  222.344913][ T6630]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.344933][ T6630] RIP: 0033:0x7f6e1d59038a
[  222.344952][ T6630] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  222.344970][ T6630] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.344993][ T6630] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  222.345010][ T6630] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  222.345025][ T6630] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  222.345040][ T6630] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  222.345055][ T6630] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  222.345078][ T6630]  </TASK>
[  222.345098][ T6630] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.660889][ T6630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.933357][ T6633] loop1: detected capacity change from 0 to 32768
[  222.961233][ T6633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.968729][ T6633] CPU: 1 UID: 0 PID: 6633 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  222.968756][ T6633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.968769][ T6633] Call Trace:
[  222.968777][ T6633]  <TASK>
[  222.968786][ T6633]  dump_stack_lvl+0x189/0x250
[  222.968817][ T6633]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.968842][ T6633]  ? __pfx__printk+0x10/0x10
[  222.968869][ T6633]  ? kernfs_root+0x1c/0x230
[  222.968890][ T6633]  ? kernfs_path_from_node+0x250/0x290
[  222.968908][ T6633]  ? kernfs_path_from_node+0x2f/0x290
[  222.968927][ T6633]  sysfs_create_dir_ns+0x259/0x280
[  222.968959][ T6633]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.968990][ T6633]  ? do_raw_spin_unlock+0x122/0x240
[  222.969014][ T6633]  kobject_add_internal+0x59f/0xb40
[  222.969044][ T6633]  kobject_init_and_add+0x125/0x190
[  222.969072][ T6633]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.969098][ T6633]  ? __raw_spin_lock_init+0x45/0x100
[  222.969119][ T6633]  ? __init_swait_queue_head+0xa9/0x150
[  222.969141][ T6633]  gfs2_sys_fs_add+0x234/0x450
[  222.969172][ T6633]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.969205][ T6633]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.969234][ T6633]  gfs2_fill_super+0x13c0/0x20d0
[  222.969275][ T6633]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.969299][ T6633]  ? sb_set_blocksize+0x104/0x180
[  222.969326][ T6633]  ? setup_bdev_super+0x4c1/0x5b0
[  222.969351][ T6633]  get_tree_bdev_flags+0x40e/0x4d0
[  222.969374][ T6633]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.969396][ T6633]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.969424][ T6633]  gfs2_get_tree+0x51/0x1e0
[  222.969447][ T6633]  vfs_get_tree+0x92/0x2b0
[  222.969471][ T6633]  do_new_mount+0x2a2/0xa30
[  222.969509][ T6633]  ? ns_capable+0x8a/0xf0
[  222.969556][ T6633]  ? __pfx_do_new_mount+0x10/0x10
[  222.969581][ T6633]  ? path_mount+0x61c/0xfe0
[  222.969605][ T6633]  ? user_path_at+0x44/0x60
[  222.969628][ T6633]  __se_sys_mount+0x317/0x410
[  222.969658][ T6633]  ? __pfx___se_sys_mount+0x10/0x10
[  222.969686][ T6633]  ? rcu_is_watching+0x15/0xb0
[  222.969714][ T6633]  ? __x64_sys_mount+0x20/0xc0
[  222.969741][ T6633]  do_syscall_64+0xfa/0xfa0
[  222.969766][ T6633]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.969788][ T6633]  ? clear_bhb_loop+0x60/0xb0
[  222.969810][ T6633]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.969830][ T6633] RIP: 0033:0x7f6e1d59038a
[  222.969848][ T6633] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  222.969867][ T6633] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.969891][ T6633] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  222.969907][ T6633] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  222.969922][ T6633] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  222.969937][ T6633] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  222.969951][ T6633] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  222.969975][ T6633]  </TASK>
[  222.969996][ T6633] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.284872][ T6633] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:27:46 executed programs: 190
[  223.558651][ T6636] loop1: detected capacity change from 0 to 32768
[  223.574454][ T6636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.582624][ T6636] CPU: 0 UID: 0 PID: 6636 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  223.582650][ T6636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.582664][ T6636] Call Trace:
[  223.582672][ T6636]  <TASK>
[  223.582681][ T6636]  dump_stack_lvl+0x189/0x250
[  223.582711][ T6636]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.582735][ T6636]  ? __pfx__printk+0x10/0x10
[  223.582760][ T6636]  ? kernfs_root+0x1c/0x230
[  223.582780][ T6636]  ? kernfs_path_from_node+0x250/0x290
[  223.582797][ T6636]  ? kernfs_path_from_node+0x2f/0x290
[  223.582817][ T6636]  sysfs_create_dir_ns+0x259/0x280
[  223.582848][ T6636]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.582878][ T6636]  ? do_raw_spin_unlock+0x122/0x240
[  223.582901][ T6636]  kobject_add_internal+0x59f/0xb40
[  223.582931][ T6636]  kobject_init_and_add+0x125/0x190
[  223.582959][ T6636]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.582984][ T6636]  ? __raw_spin_lock_init+0x45/0x100
[  223.583005][ T6636]  ? __init_swait_queue_head+0xa9/0x150
[  223.583026][ T6636]  gfs2_sys_fs_add+0x234/0x450
[  223.583055][ T6636]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.583086][ T6636]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.583115][ T6636]  gfs2_fill_super+0x13c0/0x20d0
[  223.583144][ T6636]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.583167][ T6636]  ? sb_set_blocksize+0x104/0x180
[  223.583194][ T6636]  ? setup_bdev_super+0x4c1/0x5b0
[  223.583237][ T6636]  get_tree_bdev_flags+0x40e/0x4d0
[  223.583260][ T6636]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.583282][ T6636]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.583310][ T6636]  gfs2_get_tree+0x51/0x1e0
[  223.583341][ T6636]  vfs_get_tree+0x92/0x2b0
[  223.583366][ T6636]  do_new_mount+0x2a2/0xa30
[  223.583393][ T6636]  ? ns_capable+0x8a/0xf0
[  223.583420][ T6636]  ? __pfx_do_new_mount+0x10/0x10
[  223.583444][ T6636]  ? path_mount+0x61c/0xfe0
[  223.583467][ T6636]  ? user_path_at+0x44/0x60
[  223.583489][ T6636]  __se_sys_mount+0x317/0x410
[  223.583518][ T6636]  ? __pfx___se_sys_mount+0x10/0x10
[  223.583545][ T6636]  ? rcu_is_watching+0x15/0xb0
[  223.583584][ T6636]  ? __x64_sys_mount+0x20/0xc0
[  223.583609][ T6636]  do_syscall_64+0xfa/0xfa0
[  223.583632][ T6636]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.583651][ T6636]  ? clear_bhb_loop+0x60/0xb0
[  223.583670][ T6636]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.583689][ T6636] RIP: 0033:0x7f6e1d59038a
[  223.583706][ T6636] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  223.583724][ T6636] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.583744][ T6636] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  223.583759][ T6636] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  223.583772][ T6636] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  223.583786][ T6636] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  223.583798][ T6636] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  223.583837][ T6636]  </TASK>
[  223.583857][ T6636] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.898580][ T6636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.167046][ T6639] loop1: detected capacity change from 0 to 32768
[  224.180134][ T6639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.187655][ T6639] CPU: 0 UID: 0 PID: 6639 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  224.187679][ T6639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.187693][ T6639] Call Trace:
[  224.187701][ T6639]  <TASK>
[  224.187709][ T6639]  dump_stack_lvl+0x189/0x250
[  224.187740][ T6639]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.187763][ T6639]  ? __pfx__printk+0x10/0x10
[  224.187789][ T6639]  ? kernfs_root+0x1c/0x230
[  224.187809][ T6639]  ? kernfs_path_from_node+0x250/0x290
[  224.187826][ T6639]  ? kernfs_path_from_node+0x2f/0x290
[  224.187845][ T6639]  sysfs_create_dir_ns+0x259/0x280
[  224.187875][ T6639]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.187905][ T6639]  ? do_raw_spin_unlock+0x122/0x240
[  224.187928][ T6639]  kobject_add_internal+0x59f/0xb40
[  224.187958][ T6639]  kobject_init_and_add+0x125/0x190
[  224.187985][ T6639]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.188009][ T6639]  ? __raw_spin_lock_init+0x45/0x100
[  224.188038][ T6639]  ? __init_swait_queue_head+0xa9/0x150
[  224.188059][ T6639]  gfs2_sys_fs_add+0x234/0x450
[  224.188088][ T6639]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.188120][ T6639]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.188149][ T6639]  gfs2_fill_super+0x13c0/0x20d0
[  224.188178][ T6639]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.188201][ T6639]  ? sb_set_blocksize+0x104/0x180
[  224.188228][ T6639]  ? setup_bdev_super+0x4c1/0x5b0
[  224.188252][ T6639]  get_tree_bdev_flags+0x40e/0x4d0
[  224.188275][ T6639]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.188298][ T6639]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.188326][ T6639]  gfs2_get_tree+0x51/0x1e0
[  224.188348][ T6639]  vfs_get_tree+0x92/0x2b0
[  224.188371][ T6639]  do_new_mount+0x2a2/0xa30
[  224.188398][ T6639]  ? ns_capable+0x8a/0xf0
[  224.188432][ T6639]  ? __pfx_do_new_mount+0x10/0x10
[  224.188460][ T6639]  ? path_mount+0x61c/0xfe0
[  224.188483][ T6639]  ? user_path_at+0x44/0x60
[  224.188505][ T6639]  __se_sys_mount+0x317/0x410
[  224.188533][ T6639]  ? __pfx___se_sys_mount+0x10/0x10
[  224.188561][ T6639]  ? rcu_is_watching+0x15/0xb0
[  224.188588][ T6639]  ? __x64_sys_mount+0x20/0xc0
[  224.188614][ T6639]  do_syscall_64+0xfa/0xfa0
[  224.188638][ T6639]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.188657][ T6639]  ? clear_bhb_loop+0x60/0xb0
[  224.188678][ T6639]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.188697][ T6639] RIP: 0033:0x7f6e1d59038a
[  224.188715][ T6639] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  224.188745][ T6639] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.188766][ T6639] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  224.188791][ T6639] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  224.188806][ T6639] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  224.188819][ T6639] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  224.188832][ T6639] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  224.188854][ T6639]  </TASK>
[  224.188873][ T6639] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.503501][ T6639] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.772995][ T6642] loop1: detected capacity change from 0 to 32768
[  224.787643][ T6642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.795133][ T6642] CPU: 1 UID: 0 PID: 6642 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  224.795156][ T6642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.795169][ T6642] Call Trace:
[  224.795176][ T6642]  <TASK>
[  224.795184][ T6642]  dump_stack_lvl+0x189/0x250
[  224.795221][ T6642]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.795263][ T6642]  ? __pfx__printk+0x10/0x10
[  224.795289][ T6642]  ? kernfs_root+0x1c/0x230
[  224.795309][ T6642]  ? kernfs_path_from_node+0x250/0x290
[  224.795326][ T6642]  ? kernfs_path_from_node+0x2f/0x290
[  224.795346][ T6642]  sysfs_create_dir_ns+0x259/0x280
[  224.795377][ T6642]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.795407][ T6642]  ? do_raw_spin_unlock+0x122/0x240
[  224.795430][ T6642]  kobject_add_internal+0x59f/0xb40
[  224.795459][ T6642]  kobject_init_and_add+0x125/0x190
[  224.795486][ T6642]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.795512][ T6642]  ? __raw_spin_lock_init+0x45/0x100
[  224.795533][ T6642]  ? __init_swait_queue_head+0xa9/0x150
[  224.795554][ T6642]  gfs2_sys_fs_add+0x234/0x450
[  224.795584][ T6642]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.795616][ T6642]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.795644][ T6642]  gfs2_fill_super+0x13c0/0x20d0
[  224.795674][ T6642]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.795698][ T6642]  ? sb_set_blocksize+0x104/0x180
[  224.795724][ T6642]  ? setup_bdev_super+0x4c1/0x5b0
[  224.795750][ T6642]  get_tree_bdev_flags+0x40e/0x4d0
[  224.795773][ T6642]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.795795][ T6642]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.795839][ T6642]  gfs2_get_tree+0x51/0x1e0
[  224.795862][ T6642]  vfs_get_tree+0x92/0x2b0
[  224.795886][ T6642]  do_new_mount+0x2a2/0xa30
[  224.795913][ T6642]  ? ns_capable+0x8a/0xf0
[  224.795940][ T6642]  ? __pfx_do_new_mount+0x10/0x10
[  224.795964][ T6642]  ? path_mount+0x61c/0xfe0
[  224.795987][ T6642]  ? user_path_at+0x44/0x60
[  224.796010][ T6642]  __se_sys_mount+0x317/0x410
[  224.796038][ T6642]  ? __pfx___se_sys_mount+0x10/0x10
[  224.796067][ T6642]  ? rcu_is_watching+0x15/0xb0
[  224.796094][ T6642]  ? __x64_sys_mount+0x20/0xc0
[  224.796120][ T6642]  do_syscall_64+0xfa/0xfa0
[  224.796145][ T6642]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.796165][ T6642]  ? clear_bhb_loop+0x60/0xb0
[  224.796186][ T6642]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.796206][ T6642] RIP: 0033:0x7f6e1d59038a
[  224.796231][ T6642] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  224.796249][ T6642] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.796288][ T6642] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  224.796305][ T6642] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  224.796320][ T6642] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  224.796335][ T6642] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  224.796349][ T6642] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  224.796377][ T6642]  </TASK>
[  225.095941][ T6642] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.110729][ T6642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.373268][ T6645] loop1: detected capacity change from 0 to 32768
[  225.391573][ T6645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.399043][ T6645] CPU: 1 UID: 0 PID: 6645 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  225.399079][ T6645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.399091][ T6645] Call Trace:
[  225.399099][ T6645]  <TASK>
[  225.399107][ T6645]  dump_stack_lvl+0x189/0x250
[  225.399135][ T6645]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.399157][ T6645]  ? __pfx__printk+0x10/0x10
[  225.399181][ T6645]  ? kernfs_root+0x1c/0x230
[  225.399200][ T6645]  ? kernfs_path_from_node+0x250/0x290
[  225.399216][ T6645]  ? kernfs_path_from_node+0x2f/0x290
[  225.399234][ T6645]  sysfs_create_dir_ns+0x259/0x280
[  225.399263][ T6645]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.399291][ T6645]  ? do_raw_spin_unlock+0x122/0x240
[  225.399313][ T6645]  kobject_add_internal+0x59f/0xb40
[  225.399342][ T6645]  kobject_init_and_add+0x125/0x190
[  225.399367][ T6645]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.399391][ T6645]  ? __raw_spin_lock_init+0x45/0x100
[  225.399410][ T6645]  ? __init_swait_queue_head+0xa9/0x150
[  225.399429][ T6645]  gfs2_sys_fs_add+0x234/0x450
[  225.399457][ T6645]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.399487][ T6645]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.399513][ T6645]  gfs2_fill_super+0x13c0/0x20d0
[  225.399541][ T6645]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.399563][ T6645]  ? sb_set_blocksize+0x104/0x180
[  225.399588][ T6645]  ? setup_bdev_super+0x4c1/0x5b0
[  225.399613][ T6645]  get_tree_bdev_flags+0x40e/0x4d0
[  225.399636][ T6645]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.399658][ T6645]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.399686][ T6645]  gfs2_get_tree+0x51/0x1e0
[  225.399708][ T6645]  vfs_get_tree+0x92/0x2b0
[  225.399731][ T6645]  do_new_mount+0x2a2/0xa30
[  225.399757][ T6645]  ? ns_capable+0x8a/0xf0
[  225.399783][ T6645]  ? __pfx_do_new_mount+0x10/0x10
[  225.399824][ T6645]  ? path_mount+0x61c/0xfe0
[  225.399847][ T6645]  ? user_path_at+0x44/0x60
[  225.399869][ T6645]  __se_sys_mount+0x317/0x410
[  225.399907][ T6645]  ? __pfx___se_sys_mount+0x10/0x10
[  225.399934][ T6645]  ? rcu_is_watching+0x15/0xb0
[  225.399962][ T6645]  ? __x64_sys_mount+0x20/0xc0
[  225.399988][ T6645]  do_syscall_64+0xfa/0xfa0
[  225.400012][ T6645]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.400032][ T6645]  ? clear_bhb_loop+0x60/0xb0
[  225.400054][ T6645]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.400073][ T6645] RIP: 0033:0x7f6e1d59038a
[  225.400091][ T6645] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  225.400110][ T6645] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.400131][ T6645] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  225.400147][ T6645] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  225.400162][ T6645] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  225.400176][ T6645] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  225.400189][ T6645] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  225.400211][ T6645]  </TASK>
[  225.400231][ T6645] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.715258][ T6645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.977727][ T6648] loop1: detected capacity change from 0 to 32768
[  225.992962][ T6648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.000479][ T6648] CPU: 0 UID: 0 PID: 6648 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  226.000506][ T6648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.000520][ T6648] Call Trace:
[  226.000528][ T6648]  <TASK>
[  226.000537][ T6648]  dump_stack_lvl+0x189/0x250
[  226.000569][ T6648]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.000594][ T6648]  ? __pfx__printk+0x10/0x10
[  226.000621][ T6648]  ? kernfs_root+0x1c/0x230
[  226.000641][ T6648]  ? kernfs_path_from_node+0x250/0x290
[  226.000659][ T6648]  ? kernfs_path_from_node+0x2f/0x290
[  226.000680][ T6648]  sysfs_create_dir_ns+0x259/0x280
[  226.000710][ T6648]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  226.000740][ T6648]  ? do_raw_spin_unlock+0x122/0x240
[  226.000764][ T6648]  kobject_add_internal+0x59f/0xb40
[  226.000795][ T6648]  kobject_init_and_add+0x125/0x190
[  226.000834][ T6648]  ? __pfx_kobject_init_and_add+0x10/0x10
[  226.000859][ T6648]  ? __raw_spin_lock_init+0x45/0x100
[  226.000881][ T6648]  ? __init_swait_queue_head+0xa9/0x150
[  226.000902][ T6648]  gfs2_sys_fs_add+0x234/0x450
[  226.000932][ T6648]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  226.000963][ T6648]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  226.000992][ T6648]  gfs2_fill_super+0x13c0/0x20d0
[  226.001021][ T6648]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.001045][ T6648]  ? sb_set_blocksize+0x104/0x180
[  226.001072][ T6648]  ? setup_bdev_super+0x4c1/0x5b0
[  226.001097][ T6648]  get_tree_bdev_flags+0x40e/0x4d0
[  226.001119][ T6648]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.001141][ T6648]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.001169][ T6648]  gfs2_get_tree+0x51/0x1e0
[  226.001201][ T6648]  vfs_get_tree+0x92/0x2b0
[  226.001226][ T6648]  do_new_mount+0x2a2/0xa30
[  226.001252][ T6648]  ? ns_capable+0x8a/0xf0
[  226.001280][ T6648]  ? __pfx_do_new_mount+0x10/0x10
[  226.001304][ T6648]  ? path_mount+0x61c/0xfe0
[  226.001327][ T6648]  ? user_path_at+0x44/0x60
[  226.001349][ T6648]  __se_sys_mount+0x317/0x410
[  226.001397][ T6648]  ? __pfx___se_sys_mount+0x10/0x10
[  226.001436][ T6648]  ? rcu_is_watching+0x15/0xb0
[  226.001465][ T6648]  ? __x64_sys_mount+0x20/0xc0
[  226.001493][ T6648]  do_syscall_64+0xfa/0xfa0
[  226.001530][ T6648]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.001551][ T6648]  ? clear_bhb_loop+0x60/0xb0
[  226.001571][ T6648]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.001591][ T6648] RIP: 0033:0x7f6e1d59038a
[  226.001608][ T6648] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  226.001627][ T6648] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.001648][ T6648] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  226.001664][ T6648] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  226.001679][ T6648] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  226.001693][ T6648] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  226.001706][ T6648] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  226.001729][ T6648]  </TASK>
[  226.001749][ T6648] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.316769][ T6648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.583135][ T6651] loop1: detected capacity change from 0 to 32768
[  226.595074][ T6651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.602812][ T6651] CPU: 1 UID: 0 PID: 6651 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  226.602838][ T6651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.602852][ T6651] Call Trace:
[  226.602860][ T6651]  <TASK>
[  226.602869][ T6651]  dump_stack_lvl+0x189/0x250
[  226.602900][ T6651]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.602925][ T6651]  ? __pfx__printk+0x10/0x10
[  226.602952][ T6651]  ? kernfs_root+0x1c/0x230
[  226.602973][ T6651]  ? kernfs_path_from_node+0x250/0x290
[  226.603003][ T6651]  ? kernfs_path_from_node+0x2f/0x290
[  226.603023][ T6651]  sysfs_create_dir_ns+0x259/0x280
[  226.603054][ T6651]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  226.603084][ T6651]  ? do_raw_spin_unlock+0x122/0x240
[  226.603109][ T6651]  kobject_add_internal+0x59f/0xb40
[  226.603151][ T6651]  kobject_init_and_add+0x125/0x190
[  226.603178][ T6651]  ? __pfx_kobject_init_and_add+0x10/0x10
[  226.603203][ T6651]  ? __raw_spin_lock_init+0x45/0x100
[  226.603224][ T6651]  ? __init_swait_queue_head+0xa9/0x150
[  226.603244][ T6651]  gfs2_sys_fs_add+0x234/0x450
[  226.603275][ T6651]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  226.603306][ T6651]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  226.603335][ T6651]  gfs2_fill_super+0x13c0/0x20d0
[  226.603365][ T6651]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.603388][ T6651]  ? sb_set_blocksize+0x104/0x180
[  226.603415][ T6651]  ? setup_bdev_super+0x4c1/0x5b0
[  226.603440][ T6651]  get_tree_bdev_flags+0x40e/0x4d0
[  226.603463][ T6651]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.603484][ T6651]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.603512][ T6651]  gfs2_get_tree+0x51/0x1e0
[  226.603535][ T6651]  vfs_get_tree+0x92/0x2b0
[  226.603559][ T6651]  do_new_mount+0x2a2/0xa30
[  226.603585][ T6651]  ? ns_capable+0x8a/0xf0
[  226.603613][ T6651]  ? __pfx_do_new_mount+0x10/0x10
[  226.603637][ T6651]  ? path_mount+0x61c/0xfe0
[  226.603661][ T6651]  ? user_path_at+0x44/0x60
[  226.603683][ T6651]  __se_sys_mount+0x317/0x410
[  226.603712][ T6651]  ? __pfx___se_sys_mount+0x10/0x10
[  226.603739][ T6651]  ? rcu_is_watching+0x15/0xb0
[  226.603768][ T6651]  ? __x64_sys_mount+0x20/0xc0
[  226.603804][ T6651]  do_syscall_64+0xfa/0xfa0
[  226.603829][ T6651]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.603849][ T6651]  ? clear_bhb_loop+0x60/0xb0
[  226.603871][ T6651]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.603890][ T6651] RIP: 0033:0x7f6e1d59038a
[  226.603907][ T6651] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  226.603925][ T6651] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.603947][ T6651] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  226.603963][ T6651] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  226.603978][ T6651] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  226.603992][ T6651] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  226.604005][ T6651] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  226.604028][ T6651]  </TASK>
[  226.604048][ T6651] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.919764][ T6651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.183777][ T6654] loop1: detected capacity change from 0 to 32768
[  227.196344][ T6654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.204163][ T6654] CPU: 0 UID: 0 PID: 6654 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  227.204188][ T6654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.204201][ T6654] Call Trace:
[  227.204221][ T6654]  <TASK>
[  227.204228][ T6654]  dump_stack_lvl+0x189/0x250
[  227.204258][ T6654]  ? __pfx_dump_stack_lvl+0x10/0x10
[  227.204281][ T6654]  ? __pfx__printk+0x10/0x10
[  227.204308][ T6654]  ? kernfs_root+0x1c/0x230
[  227.204328][ T6654]  ? kernfs_path_from_node+0x250/0x290
[  227.204345][ T6654]  ? kernfs_path_from_node+0x2f/0x290
[  227.204364][ T6654]  sysfs_create_dir_ns+0x259/0x280
[  227.204395][ T6654]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  227.204425][ T6654]  ? do_raw_spin_unlock+0x122/0x240
[  227.204448][ T6654]  kobject_add_internal+0x59f/0xb40
[  227.204478][ T6654]  kobject_init_and_add+0x125/0x190
[  227.204505][ T6654]  ? __pfx_kobject_init_and_add+0x10/0x10
[  227.204531][ T6654]  ? __raw_spin_lock_init+0x45/0x100
[  227.204552][ T6654]  ? __init_swait_queue_head+0xa9/0x150
[  227.204572][ T6654]  gfs2_sys_fs_add+0x234/0x450
[  227.204602][ T6654]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  227.204633][ T6654]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  227.204661][ T6654]  gfs2_fill_super+0x13c0/0x20d0
[  227.204691][ T6654]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.204714][ T6654]  ? sb_set_blocksize+0x104/0x180
[  227.204742][ T6654]  ? setup_bdev_super+0x4c1/0x5b0
[  227.204767][ T6654]  get_tree_bdev_flags+0x40e/0x4d0
[  227.204791][ T6654]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.204813][ T6654]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  227.204841][ T6654]  gfs2_get_tree+0x51/0x1e0
[  227.204864][ T6654]  vfs_get_tree+0x92/0x2b0
[  227.204888][ T6654]  do_new_mount+0x2a2/0xa30
[  227.204915][ T6654]  ? ns_capable+0x8a/0xf0
[  227.204997][ T6654]  ? __pfx_do_new_mount+0x10/0x10
[  227.205023][ T6654]  ? path_mount+0x61c/0xfe0
[  227.205045][ T6654]  ? user_path_at+0x44/0x60
[  227.205067][ T6654]  __se_sys_mount+0x317/0x410
[  227.205095][ T6654]  ? __pfx___se_sys_mount+0x10/0x10
[  227.205123][ T6654]  ? rcu_is_watching+0x15/0xb0
[  227.205151][ T6654]  ? __x64_sys_mount+0x20/0xc0
[  227.205176][ T6654]  do_syscall_64+0xfa/0xfa0
[  227.205199][ T6654]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.205220][ T6654]  ? clear_bhb_loop+0x60/0xb0
[  227.205242][ T6654]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.205262][ T6654] RIP: 0033:0x7f6e1d59038a
[  227.205279][ T6654] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  227.205298][ T6654] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.205321][ T6654] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  227.205336][ T6654] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  227.205351][ T6654] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  227.205372][ T6654] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  227.205385][ T6654] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  227.205408][ T6654]  </TASK>
[  227.205428][ T6654] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.519690][ T6654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.788658][ T6657] loop1: detected capacity change from 0 to 32768
[  227.796986][ T6657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.804433][ T6657] CPU: 0 UID: 0 PID: 6657 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  227.804458][ T6657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.804472][ T6657] Call Trace:
[  227.804480][ T6657]  <TASK>
[  227.804488][ T6657]  dump_stack_lvl+0x189/0x250
[  227.804519][ T6657]  ? __pfx_dump_stack_lvl+0x10/0x10
[  227.804544][ T6657]  ? __pfx__printk+0x10/0x10
[  227.804570][ T6657]  ? kernfs_root+0x1c/0x230
[  227.804590][ T6657]  ? kernfs_path_from_node+0x250/0x290
[  227.804607][ T6657]  ? kernfs_path_from_node+0x2f/0x290
[  227.804626][ T6657]  sysfs_create_dir_ns+0x259/0x280
[  227.804658][ T6657]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  227.804688][ T6657]  ? do_raw_spin_unlock+0x122/0x240
[  227.804712][ T6657]  kobject_add_internal+0x59f/0xb40
[  227.804749][ T6657]  kobject_init_and_add+0x125/0x190
[  227.804776][ T6657]  ? __pfx_kobject_init_and_add+0x10/0x10
[  227.804801][ T6657]  ? __raw_spin_lock_init+0x45/0x100
[  227.804822][ T6657]  ? __init_swait_queue_head+0xa9/0x150
[  227.804843][ T6657]  gfs2_sys_fs_add+0x234/0x450
[  227.804874][ T6657]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  227.804906][ T6657]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  227.804935][ T6657]  gfs2_fill_super+0x13c0/0x20d0
[  227.804965][ T6657]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.804989][ T6657]  ? sb_set_blocksize+0x104/0x180
[  227.805016][ T6657]  ? setup_bdev_super+0x4c1/0x5b0
[  227.805042][ T6657]  get_tree_bdev_flags+0x40e/0x4d0
[  227.805067][ T6657]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.805089][ T6657]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  227.805118][ T6657]  gfs2_get_tree+0x51/0x1e0
[  227.805142][ T6657]  vfs_get_tree+0x92/0x2b0
[  227.805166][ T6657]  do_new_mount+0x2a2/0xa30
[  227.805194][ T6657]  ? ns_capable+0x8a/0xf0
[  227.805221][ T6657]  ? __pfx_do_new_mount+0x10/0x10
[  227.805246][ T6657]  ? path_mount+0x61c/0xfe0
[  227.805270][ T6657]  ? user_path_at+0x44/0x60
[  227.805292][ T6657]  __se_sys_mount+0x317/0x410
[  227.805322][ T6657]  ? __pfx___se_sys_mount+0x10/0x10
[  227.805351][ T6657]  ? rcu_is_watching+0x15/0xb0
[  227.805380][ T6657]  ? __x64_sys_mount+0x20/0xc0
[  227.805407][ T6657]  do_syscall_64+0xfa/0xfa0
[  227.805432][ T6657]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.805454][ T6657]  ? clear_bhb_loop+0x60/0xb0
[  227.805476][ T6657]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.805496][ T6657] RIP: 0033:0x7f6e1d59038a
[  227.805515][ T6657] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  227.805534][ T6657] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.805557][ T6657] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  227.805572][ T6657] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  227.805587][ T6657] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  227.805602][ T6657] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  227.805616][ T6657] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  227.805639][ T6657]  </TASK>
[  227.805660][ T6657] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.119806][ T6657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.397008][ T6660] loop1: detected capacity change from 0 to 32768
[  228.406997][ T6660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.414441][ T6660] CPU: 1 UID: 0 PID: 6660 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  228.414468][ T6660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  228.414481][ T6660] Call Trace:
[  228.414490][ T6660]  <TASK>
[  228.414498][ T6660]  dump_stack_lvl+0x189/0x250
[  228.414529][ T6660]  ? __pfx_dump_stack_lvl+0x10/0x10
[  228.414554][ T6660]  ? __pfx__printk+0x10/0x10
[  228.414581][ T6660]  ? kernfs_root+0x1c/0x230
[  228.414602][ T6660]  ? kernfs_path_from_node+0x250/0x290
[  228.414631][ T6660]  ? kernfs_path_from_node+0x2f/0x290
[  228.414652][ T6660]  sysfs_create_dir_ns+0x259/0x280
[  228.414683][ T6660]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  228.414715][ T6660]  ? do_raw_spin_unlock+0x122/0x240
[  228.414739][ T6660]  kobject_add_internal+0x59f/0xb40
[  228.414769][ T6660]  kobject_init_and_add+0x125/0x190
[  228.414797][ T6660]  ? __pfx_kobject_init_and_add+0x10/0x10
[  228.414823][ T6660]  ? __raw_spin_lock_init+0x45/0x100
[  228.414844][ T6660]  ? __init_swait_queue_head+0xa9/0x150
[  228.414865][ T6660]  gfs2_sys_fs_add+0x234/0x450
[  228.414897][ T6660]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  228.414930][ T6660]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  228.414959][ T6660]  gfs2_fill_super+0x13c0/0x20d0
[  228.414989][ T6660]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.415014][ T6660]  ? sb_set_blocksize+0x104/0x180
[  228.415042][ T6660]  ? setup_bdev_super+0x4c1/0x5b0
[  228.415068][ T6660]  get_tree_bdev_flags+0x40e/0x4d0
[  228.415092][ T6660]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.415114][ T6660]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  228.415144][ T6660]  gfs2_get_tree+0x51/0x1e0
[  228.415168][ T6660]  vfs_get_tree+0x92/0x2b0
[  228.415193][ T6660]  do_new_mount+0x2a2/0xa30
[  228.415220][ T6660]  ? ns_capable+0x8a/0xf0
[  228.415248][ T6660]  ? __pfx_do_new_mount+0x10/0x10
[  228.415273][ T6660]  ? path_mount+0x61c/0xfe0
[  228.415297][ T6660]  ? user_path_at+0x44/0x60
[  228.415320][ T6660]  __se_sys_mount+0x317/0x410
[  228.415349][ T6660]  ? __pfx___se_sys_mount+0x10/0x10
[  228.415378][ T6660]  ? rcu_is_watching+0x15/0xb0
[  228.415407][ T6660]  ? __x64_sys_mount+0x20/0xc0
[  228.415434][ T6660]  do_syscall_64+0xfa/0xfa0
[  228.415480][ T6660]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.415502][ T6660]  ? clear_bhb_loop+0x60/0xb0
[  228.415524][ T6660]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.415544][ T6660] RIP: 0033:0x7f6e1d59038a
[  228.415562][ T6660] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  228.415581][ T6660] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.415605][ T6660] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  228.415633][ T6660] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  228.415649][ T6660] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  228.415663][ T6660] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  228.415678][ T6660] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  228.415701][ T6660]  </TASK>
[  228.415722][ T6660] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.730511][ T6660] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:27:52 executed programs: 199
[  229.001690][ T6663] loop1: detected capacity change from 0 to 32768
[  229.012434][ T6663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.019918][ T6663] CPU: 1 UID: 0 PID: 6663 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  229.019942][ T6663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  229.019955][ T6663] Call Trace:
[  229.019963][ T6663]  <TASK>
[  229.019971][ T6663]  dump_stack_lvl+0x189/0x250
[  229.020002][ T6663]  ? __pfx_dump_stack_lvl+0x10/0x10
[  229.020027][ T6663]  ? __pfx__printk+0x10/0x10
[  229.020054][ T6663]  ? kernfs_root+0x1c/0x230
[  229.020075][ T6663]  ? kernfs_path_from_node+0x250/0x290
[  229.020094][ T6663]  ? kernfs_path_from_node+0x2f/0x290
[  229.020114][ T6663]  sysfs_create_dir_ns+0x259/0x280
[  229.020147][ T6663]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  229.020179][ T6663]  ? do_raw_spin_unlock+0x122/0x240
[  229.020203][ T6663]  kobject_add_internal+0x59f/0xb40
[  229.020234][ T6663]  kobject_init_and_add+0x125/0x190
[  229.020262][ T6663]  ? __pfx_kobject_init_and_add+0x10/0x10
[  229.020289][ T6663]  ? __raw_spin_lock_init+0x45/0x100
[  229.020311][ T6663]  ? __init_swait_queue_head+0xa9/0x150
[  229.020333][ T6663]  gfs2_sys_fs_add+0x234/0x450
[  229.020364][ T6663]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  229.020395][ T6663]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  229.020424][ T6663]  gfs2_fill_super+0x13c0/0x20d0
[  229.020453][ T6663]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.020478][ T6663]  ? sb_set_blocksize+0x104/0x180
[  229.020505][ T6663]  ? setup_bdev_super+0x4c1/0x5b0
[  229.020530][ T6663]  get_tree_bdev_flags+0x40e/0x4d0
[  229.020553][ T6663]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.020585][ T6663]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  229.020611][ T6663]  gfs2_get_tree+0x51/0x1e0
[  229.020632][ T6663]  vfs_get_tree+0x92/0x2b0
[  229.020657][ T6663]  do_new_mount+0x2a2/0xa30
[  229.020684][ T6663]  ? ns_capable+0x8a/0xf0
[  229.020710][ T6663]  ? __pfx_do_new_mount+0x10/0x10
[  229.020734][ T6663]  ? path_mount+0x61c/0xfe0
[  229.020757][ T6663]  ? user_path_at+0x44/0x60
[  229.020778][ T6663]  __se_sys_mount+0x317/0x410
[  229.020807][ T6663]  ? __pfx___se_sys_mount+0x10/0x10
[  229.020835][ T6663]  ? rcu_is_watching+0x15/0xb0
[  229.020863][ T6663]  ? __x64_sys_mount+0x20/0xc0
[  229.020889][ T6663]  do_syscall_64+0xfa/0xfa0
[  229.020915][ T6663]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.020935][ T6663]  ? clear_bhb_loop+0x60/0xb0
[  229.020958][ T6663]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.020978][ T6663] RIP: 0033:0x7f6e1d59038a
[  229.020996][ T6663] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  229.021015][ T6663] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.021037][ T6663] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  229.021053][ T6663] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  229.021068][ T6663] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  229.021082][ T6663] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  229.021095][ T6663] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  229.021118][ T6663]  </TASK>
[  229.021139][ T6663] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.335843][ T6663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.606284][ T6666] loop1: detected capacity change from 0 to 32768
[  229.628326][ T6666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.635721][ T6666] CPU: 0 UID: 0 PID: 6666 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  229.635744][ T6666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  229.635753][ T6666] Call Trace:
[  229.635760][ T6666]  <TASK>
[  229.635766][ T6666]  dump_stack_lvl+0x189/0x250
[  229.635789][ T6666]  ? __pfx_dump_stack_lvl+0x10/0x10
[  229.635808][ T6666]  ? __pfx__printk+0x10/0x10
[  229.635827][ T6666]  ? kernfs_root+0x1c/0x230
[  229.635843][ T6666]  ? kernfs_path_from_node+0x250/0x290
[  229.635855][ T6666]  ? kernfs_path_from_node+0x2f/0x290
[  229.635869][ T6666]  sysfs_create_dir_ns+0x259/0x280
[  229.635892][ T6666]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  229.635913][ T6666]  ? do_raw_spin_unlock+0x122/0x240
[  229.635931][ T6666]  kobject_add_internal+0x59f/0xb40
[  229.635952][ T6666]  kobject_init_and_add+0x125/0x190
[  229.635972][ T6666]  ? __pfx_kobject_init_and_add+0x10/0x10
[  229.635990][ T6666]  ? __raw_spin_lock_init+0x45/0x100
[  229.636005][ T6666]  ? __init_swait_queue_head+0xa9/0x150
[  229.636020][ T6666]  gfs2_sys_fs_add+0x234/0x450
[  229.636041][ T6666]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  229.636064][ T6666]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  229.636085][ T6666]  gfs2_fill_super+0x13c0/0x20d0
[  229.636106][ T6666]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.636124][ T6666]  ? sb_set_blocksize+0x104/0x180
[  229.636143][ T6666]  ? setup_bdev_super+0x4c1/0x5b0
[  229.636161][ T6666]  get_tree_bdev_flags+0x40e/0x4d0
[  229.636178][ T6666]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.636194][ T6666]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  229.636214][ T6666]  gfs2_get_tree+0x51/0x1e0
[  229.636233][ T6666]  vfs_get_tree+0x92/0x2b0
[  229.636250][ T6666]  do_new_mount+0x2a2/0xa30
[  229.636270][ T6666]  ? ns_capable+0x8a/0xf0
[  229.636290][ T6666]  ? __pfx_do_new_mount+0x10/0x10
[  229.636308][ T6666]  ? path_mount+0x61c/0xfe0
[  229.636325][ T6666]  ? user_path_at+0x44/0x60
[  229.636347][ T6666]  __se_sys_mount+0x317/0x410
[  229.636377][ T6666]  ? __pfx___se_sys_mount+0x10/0x10
[  229.636407][ T6666]  ? rcu_is_watching+0x15/0xb0
[  229.636428][ T6666]  ? __x64_sys_mount+0x20/0xc0
[  229.636447][ T6666]  do_syscall_64+0xfa/0xfa0
[  229.636465][ T6666]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.636481][ T6666]  ? clear_bhb_loop+0x60/0xb0
[  229.636497][ T6666]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.636511][ T6666] RIP: 0033:0x7f6e1d59038a
[  229.636525][ T6666] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  229.636538][ T6666] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.636554][ T6666] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  229.636566][ T6666] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  229.636577][ T6666] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  229.636587][ T6666] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  229.636597][ T6666] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  229.636614][ T6666]  </TASK>
[  229.936315][ T6666] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.950483][ T6666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.220043][ T6669] loop1: detected capacity change from 0 to 32768
[  230.235453][ T6669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.243162][ T6669] CPU: 0 UID: 0 PID: 6669 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  230.243189][ T6669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.243202][ T6669] Call Trace:
[  230.243210][ T6669]  <TASK>
[  230.243218][ T6669]  dump_stack_lvl+0x189/0x250
[  230.243248][ T6669]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.243273][ T6669]  ? __pfx__printk+0x10/0x10
[  230.243299][ T6669]  ? kernfs_root+0x1c/0x230
[  230.243320][ T6669]  ? kernfs_path_from_node+0x250/0x290
[  230.243336][ T6669]  ? kernfs_path_from_node+0x2f/0x290
[  230.243356][ T6669]  sysfs_create_dir_ns+0x259/0x280
[  230.243387][ T6669]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.243435][ T6669]  ? do_raw_spin_unlock+0x122/0x240
[  230.243459][ T6669]  kobject_add_internal+0x59f/0xb40
[  230.243490][ T6669]  kobject_init_and_add+0x125/0x190
[  230.243518][ T6669]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.243553][ T6669]  ? __raw_spin_lock_init+0x45/0x100
[  230.243574][ T6669]  ? __init_swait_queue_head+0xa9/0x150
[  230.243595][ T6669]  gfs2_sys_fs_add+0x234/0x450
[  230.243626][ T6669]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.243657][ T6669]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.243695][ T6669]  gfs2_fill_super+0x13c0/0x20d0
[  230.243725][ T6669]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.243749][ T6669]  ? sb_set_blocksize+0x104/0x180
[  230.243777][ T6669]  ? setup_bdev_super+0x4c1/0x5b0
[  230.243804][ T6669]  get_tree_bdev_flags+0x40e/0x4d0
[  230.243827][ T6669]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.243849][ T6669]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.243879][ T6669]  gfs2_get_tree+0x51/0x1e0
[  230.243903][ T6669]  vfs_get_tree+0x92/0x2b0
[  230.243927][ T6669]  do_new_mount+0x2a2/0xa30
[  230.243954][ T6669]  ? ns_capable+0x8a/0xf0
[  230.243983][ T6669]  ? __pfx_do_new_mount+0x10/0x10
[  230.244008][ T6669]  ? path_mount+0x61c/0xfe0
[  230.244032][ T6669]  ? user_path_at+0x44/0x60
[  230.244056][ T6669]  __se_sys_mount+0x317/0x410
[  230.244085][ T6669]  ? __pfx___se_sys_mount+0x10/0x10
[  230.244113][ T6669]  ? rcu_is_watching+0x15/0xb0
[  230.244141][ T6669]  ? __x64_sys_mount+0x20/0xc0
[  230.244168][ T6669]  do_syscall_64+0xfa/0xfa0
[  230.244192][ T6669]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.244213][ T6669]  ? clear_bhb_loop+0x60/0xb0
[  230.244236][ T6669]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.244256][ T6669] RIP: 0033:0x7f6e1d59038a
[  230.244275][ T6669] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  230.244294][ T6669] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.244317][ T6669] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  230.244333][ T6669] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  230.244348][ T6669] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  230.244363][ T6669] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  230.244377][ T6669] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  230.244401][ T6669]  </TASK>
[  230.244422][ T6669] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.560279][ T6669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.823910][ T6672] loop1: detected capacity change from 0 to 32768
[  230.835945][ T6672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.843456][ T6672] CPU: 0 UID: 0 PID: 6672 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  230.843481][ T6672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.843494][ T6672] Call Trace:
[  230.843502][ T6672]  <TASK>
[  230.843510][ T6672]  dump_stack_lvl+0x189/0x250
[  230.843540][ T6672]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.843565][ T6672]  ? __pfx__printk+0x10/0x10
[  230.843591][ T6672]  ? kernfs_root+0x1c/0x230
[  230.843621][ T6672]  ? kernfs_path_from_node+0x250/0x290
[  230.843639][ T6672]  ? kernfs_path_from_node+0x2f/0x290
[  230.843660][ T6672]  sysfs_create_dir_ns+0x259/0x280
[  230.843692][ T6672]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.843723][ T6672]  ? do_raw_spin_unlock+0x122/0x240
[  230.843748][ T6672]  kobject_add_internal+0x59f/0xb40
[  230.843780][ T6672]  kobject_init_and_add+0x125/0x190
[  230.843808][ T6672]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.843835][ T6672]  ? __raw_spin_lock_init+0x45/0x100
[  230.843869][ T6672]  ? __init_swait_queue_head+0xa9/0x150
[  230.843890][ T6672]  gfs2_sys_fs_add+0x234/0x450
[  230.843920][ T6672]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.843970][ T6672]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.844001][ T6672]  gfs2_fill_super+0x13c0/0x20d0
[  230.844032][ T6672]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.844057][ T6672]  ? sb_set_blocksize+0x104/0x180
[  230.844085][ T6672]  ? setup_bdev_super+0x4c1/0x5b0
[  230.844112][ T6672]  get_tree_bdev_flags+0x40e/0x4d0
[  230.844137][ T6672]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.844159][ T6672]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.844189][ T6672]  gfs2_get_tree+0x51/0x1e0
[  230.844213][ T6672]  vfs_get_tree+0x92/0x2b0
[  230.844238][ T6672]  do_new_mount+0x2a2/0xa30
[  230.844266][ T6672]  ? ns_capable+0x8a/0xf0
[  230.844295][ T6672]  ? __pfx_do_new_mount+0x10/0x10
[  230.844321][ T6672]  ? path_mount+0x61c/0xfe0
[  230.844345][ T6672]  ? user_path_at+0x44/0x60
[  230.844368][ T6672]  __se_sys_mount+0x317/0x410
[  230.844396][ T6672]  ? __pfx___se_sys_mount+0x10/0x10
[  230.844426][ T6672]  ? rcu_is_watching+0x15/0xb0
[  230.844454][ T6672]  ? __x64_sys_mount+0x20/0xc0
[  230.844482][ T6672]  do_syscall_64+0xfa/0xfa0
[  230.844507][ T6672]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.844541][ T6672]  ? clear_bhb_loop+0x60/0xb0
[  230.844563][ T6672]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.844583][ T6672] RIP: 0033:0x7f6e1d59038a
[  230.844601][ T6672] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  230.844626][ T6672] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.844648][ T6672] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  230.844664][ T6672] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  230.844679][ T6672] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  230.844693][ T6672] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  230.844707][ T6672] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  230.844731][ T6672]  </TASK>
[  230.844750][ T6672] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.159723][ T6672] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.434962][ T6675] loop1: detected capacity change from 0 to 32768
[  231.449796][ T6675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.457379][ T6675] CPU: 0 UID: 0 PID: 6675 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  231.457418][ T6675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  231.457431][ T6675] Call Trace:
[  231.457439][ T6675]  <TASK>
[  231.457447][ T6675]  dump_stack_lvl+0x189/0x250
[  231.457496][ T6675]  ? __pfx_dump_stack_lvl+0x10/0x10
[  231.457521][ T6675]  ? __pfx__printk+0x10/0x10
[  231.457547][ T6675]  ? kernfs_root+0x1c/0x230
[  231.457568][ T6675]  ? kernfs_path_from_node+0x250/0x290
[  231.457586][ T6675]  ? kernfs_path_from_node+0x2f/0x290
[  231.457617][ T6675]  sysfs_create_dir_ns+0x259/0x280
[  231.457647][ T6675]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  231.457677][ T6675]  ? do_raw_spin_unlock+0x122/0x240
[  231.457700][ T6675]  kobject_add_internal+0x59f/0xb40
[  231.457730][ T6675]  kobject_init_and_add+0x125/0x190
[  231.457757][ T6675]  ? __pfx_kobject_init_and_add+0x10/0x10
[  231.457783][ T6675]  ? __raw_spin_lock_init+0x45/0x100
[  231.457804][ T6675]  ? __init_swait_queue_head+0xa9/0x150
[  231.457825][ T6675]  gfs2_sys_fs_add+0x234/0x450
[  231.457855][ T6675]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  231.457886][ T6675]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  231.457915][ T6675]  gfs2_fill_super+0x13c0/0x20d0
[  231.457944][ T6675]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.457968][ T6675]  ? sb_set_blocksize+0x104/0x180
[  231.457994][ T6675]  ? setup_bdev_super+0x4c1/0x5b0
[  231.458019][ T6675]  get_tree_bdev_flags+0x40e/0x4d0
[  231.458043][ T6675]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.458083][ T6675]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  231.458113][ T6675]  gfs2_get_tree+0x51/0x1e0
[  231.458136][ T6675]  vfs_get_tree+0x92/0x2b0
[  231.458161][ T6675]  do_new_mount+0x2a2/0xa30
[  231.458189][ T6675]  ? ns_capable+0x8a/0xf0
[  231.458217][ T6675]  ? __pfx_do_new_mount+0x10/0x10
[  231.458242][ T6675]  ? path_mount+0x61c/0xfe0
[  231.458276][ T6675]  ? user_path_at+0x44/0x60
[  231.458299][ T6675]  __se_sys_mount+0x317/0x410
[  231.458328][ T6675]  ? __pfx___se_sys_mount+0x10/0x10
[  231.458357][ T6675]  ? rcu_is_watching+0x15/0xb0
[  231.458386][ T6675]  ? __x64_sys_mount+0x20/0xc0
[  231.458413][ T6675]  do_syscall_64+0xfa/0xfa0
[  231.458439][ T6675]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.458459][ T6675]  ? clear_bhb_loop+0x60/0xb0
[  231.458482][ T6675]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.458502][ T6675] RIP: 0033:0x7f6e1d59038a
[  231.458520][ T6675] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  231.458539][ T6675] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.458562][ T6675] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  231.458578][ T6675] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  231.458594][ T6675] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  231.458609][ T6675] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  231.458623][ T6675] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  231.458647][ T6675]  </TASK>
[  231.458667][ T6675] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.773896][ T6675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.039642][ T6678] loop1: detected capacity change from 0 to 32768
[  232.052250][ T6678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.062812][ T6678] CPU: 1 UID: 0 PID: 6678 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  232.062839][ T6678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  232.062853][ T6678] Call Trace:
[  232.062861][ T6678]  <TASK>
[  232.062870][ T6678]  dump_stack_lvl+0x189/0x250
[  232.062902][ T6678]  ? __pfx_dump_stack_lvl+0x10/0x10
[  232.062927][ T6678]  ? __pfx__printk+0x10/0x10
[  232.062954][ T6678]  ? kernfs_root+0x1c/0x230
[  232.062976][ T6678]  ? kernfs_path_from_node+0x250/0x290
[  232.062993][ T6678]  ? kernfs_path_from_node+0x2f/0x290
[  232.063013][ T6678]  sysfs_create_dir_ns+0x259/0x280
[  232.063045][ T6678]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  232.063076][ T6678]  ? do_raw_spin_unlock+0x122/0x240
[  232.063101][ T6678]  kobject_add_internal+0x59f/0xb40
[  232.063132][ T6678]  kobject_init_and_add+0x125/0x190
[  232.063160][ T6678]  ? __pfx_kobject_init_and_add+0x10/0x10
[  232.063185][ T6678]  ? __raw_spin_lock_init+0x45/0x100
[  232.063207][ T6678]  ? __init_swait_queue_head+0xa9/0x150
[  232.063230][ T6678]  gfs2_sys_fs_add+0x234/0x450
[  232.063261][ T6678]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  232.063293][ T6678]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  232.063323][ T6678]  gfs2_fill_super+0x13c0/0x20d0
[  232.063353][ T6678]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.063378][ T6678]  ? sb_set_blocksize+0x104/0x180
[  232.063406][ T6678]  ? setup_bdev_super+0x4c1/0x5b0
[  232.063441][ T6678]  get_tree_bdev_flags+0x40e/0x4d0
[  232.063465][ T6678]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.063488][ T6678]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  232.063517][ T6678]  gfs2_get_tree+0x51/0x1e0
[  232.063540][ T6678]  vfs_get_tree+0x92/0x2b0
[  232.063565][ T6678]  do_new_mount+0x2a2/0xa30
[  232.063593][ T6678]  ? ns_capable+0x8a/0xf0
[  232.063622][ T6678]  ? __pfx_do_new_mount+0x10/0x10
[  232.063647][ T6678]  ? path_mount+0x61c/0xfe0
[  232.063671][ T6678]  ? user_path_at+0x44/0x60
[  232.063694][ T6678]  __se_sys_mount+0x317/0x410
[  232.063723][ T6678]  ? __pfx___se_sys_mount+0x10/0x10
[  232.063752][ T6678]  ? rcu_is_watching+0x15/0xb0
[  232.063780][ T6678]  ? __x64_sys_mount+0x20/0xc0
[  232.063807][ T6678]  do_syscall_64+0xfa/0xfa0
[  232.063831][ T6678]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.063851][ T6678]  ? clear_bhb_loop+0x60/0xb0
[  232.063873][ T6678]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.063893][ T6678] RIP: 0033:0x7f6e1d59038a
[  232.063912][ T6678] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  232.063931][ T6678] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.063954][ T6678] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  232.063969][ T6678] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  232.063985][ T6678] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  232.064000][ T6678] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  232.064014][ T6678] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  232.064037][ T6678]  </TASK>
[  232.064058][ T6678] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.379332][ T6678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.456627][ T5947] Bluetooth: hci1: command 0x0406 tx timeout
[  232.652010][ T6681] loop1: detected capacity change from 0 to 32768
[  232.663445][ T6681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.671563][ T6681] CPU: 0 UID: 0 PID: 6681 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  232.671588][ T6681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  232.671601][ T6681] Call Trace:
[  232.671609][ T6681]  <TASK>
[  232.671618][ T6681]  dump_stack_lvl+0x189/0x250
[  232.671648][ T6681]  ? __pfx_dump_stack_lvl+0x10/0x10
[  232.671672][ T6681]  ? __pfx__printk+0x10/0x10
[  232.671697][ T6681]  ? kernfs_root+0x1c/0x230
[  232.671717][ T6681]  ? kernfs_path_from_node+0x250/0x290
[  232.671734][ T6681]  ? kernfs_path_from_node+0x2f/0x290
[  232.671754][ T6681]  sysfs_create_dir_ns+0x259/0x280
[  232.671784][ T6681]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  232.671814][ T6681]  ? do_raw_spin_unlock+0x122/0x240
[  232.671837][ T6681]  kobject_add_internal+0x59f/0xb40
[  232.671874][ T6681]  kobject_init_and_add+0x125/0x190
[  232.671903][ T6681]  ? __pfx_kobject_init_and_add+0x10/0x10
[  232.671927][ T6681]  ? __raw_spin_lock_init+0x45/0x100
[  232.671948][ T6681]  ? __init_swait_queue_head+0xa9/0x150
[  232.671969][ T6681]  gfs2_sys_fs_add+0x234/0x450
[  232.671998][ T6681]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  232.672048][ T6681]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  232.672078][ T6681]  gfs2_fill_super+0x13c0/0x20d0
[  232.672108][ T6681]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.672133][ T6681]  ? sb_set_blocksize+0x104/0x180
[  232.672161][ T6681]  ? setup_bdev_super+0x4c1/0x5b0
[  232.672187][ T6681]  get_tree_bdev_flags+0x40e/0x4d0
[  232.672211][ T6681]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.672233][ T6681]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  232.672262][ T6681]  gfs2_get_tree+0x51/0x1e0
[  232.672286][ T6681]  vfs_get_tree+0x92/0x2b0
[  232.672310][ T6681]  do_new_mount+0x2a2/0xa30
[  232.672338][ T6681]  ? ns_capable+0x8a/0xf0
[  232.672366][ T6681]  ? __pfx_do_new_mount+0x10/0x10
[  232.672391][ T6681]  ? path_mount+0x61c/0xfe0
[  232.672414][ T6681]  ? user_path_at+0x44/0x60
[  232.672436][ T6681]  __se_sys_mount+0x317/0x410
[  232.672474][ T6681]  ? __pfx___se_sys_mount+0x10/0x10
[  232.672503][ T6681]  ? rcu_is_watching+0x15/0xb0
[  232.672532][ T6681]  ? __x64_sys_mount+0x20/0xc0
[  232.672559][ T6681]  do_syscall_64+0xfa/0xfa0
[  232.672585][ T6681]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.672606][ T6681]  ? clear_bhb_loop+0x60/0xb0
[  232.672628][ T6681]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.672648][ T6681] RIP: 0033:0x7f6e1d59038a
[  232.672667][ T6681] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  232.672686][ T6681] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.672709][ T6681] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  232.672725][ T6681] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  232.672740][ T6681] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  232.672754][ T6681] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  232.672769][ T6681] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  232.672793][ T6681]  </TASK>
[  232.672834][ T6681] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.987786][ T6681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.265813][ T6684] loop1: detected capacity change from 0 to 32768
[  233.277641][ T6684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.285093][ T6684] CPU: 0 UID: 0 PID: 6684 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  233.285120][ T6684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  233.285133][ T6684] Call Trace:
[  233.285141][ T6684]  <TASK>
[  233.285150][ T6684]  dump_stack_lvl+0x189/0x250
[  233.285180][ T6684]  ? __pfx_dump_stack_lvl+0x10/0x10
[  233.285206][ T6684]  ? __pfx__printk+0x10/0x10
[  233.285232][ T6684]  ? kernfs_root+0x1c/0x230
[  233.285253][ T6684]  ? kernfs_path_from_node+0x250/0x290
[  233.285270][ T6684]  ? kernfs_path_from_node+0x2f/0x290
[  233.285290][ T6684]  sysfs_create_dir_ns+0x259/0x280
[  233.285321][ T6684]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  233.285351][ T6684]  ? do_raw_spin_unlock+0x122/0x240
[  233.285374][ T6684]  kobject_add_internal+0x59f/0xb40
[  233.285405][ T6684]  kobject_init_and_add+0x125/0x190
[  233.285443][ T6684]  ? __pfx_kobject_init_and_add+0x10/0x10
[  233.285469][ T6684]  ? __raw_spin_lock_init+0x45/0x100
[  233.285491][ T6684]  ? __init_swait_queue_head+0xa9/0x150
[  233.285513][ T6684]  gfs2_sys_fs_add+0x234/0x450
[  233.285542][ T6684]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  233.285575][ T6684]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  233.285605][ T6684]  gfs2_fill_super+0x13c0/0x20d0
[  233.285635][ T6684]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.285659][ T6684]  ? sb_set_blocksize+0x104/0x180
[  233.285688][ T6684]  ? setup_bdev_super+0x4c1/0x5b0
[  233.285714][ T6684]  get_tree_bdev_flags+0x40e/0x4d0
[  233.285738][ T6684]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.285760][ T6684]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  233.285789][ T6684]  gfs2_get_tree+0x51/0x1e0
[  233.285813][ T6684]  vfs_get_tree+0x92/0x2b0
[  233.285838][ T6684]  do_new_mount+0x2a2/0xa30
[  233.285865][ T6684]  ? ns_capable+0x8a/0xf0
[  233.285893][ T6684]  ? __pfx_do_new_mount+0x10/0x10
[  233.285919][ T6684]  ? path_mount+0x61c/0xfe0
[  233.285942][ T6684]  ? user_path_at+0x44/0x60
[  233.285965][ T6684]  __se_sys_mount+0x317/0x410
[  233.285995][ T6684]  ? __pfx___se_sys_mount+0x10/0x10
[  233.286023][ T6684]  ? rcu_is_watching+0x15/0xb0
[  233.286051][ T6684]  ? __x64_sys_mount+0x20/0xc0
[  233.286079][ T6684]  do_syscall_64+0xfa/0xfa0
[  233.286104][ T6684]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.286124][ T6684]  ? clear_bhb_loop+0x60/0xb0
[  233.286147][ T6684]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.286166][ T6684] RIP: 0033:0x7f6e1d59038a
[  233.286185][ T6684] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  233.286204][ T6684] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.286227][ T6684] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  233.286243][ T6684] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  233.286258][ T6684] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  233.286273][ T6684] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  233.286287][ T6684] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  233.286312][ T6684]  </TASK>
[  233.286332][ T6684] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.599012][ T6684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.867103][ T6687] loop1: detected capacity change from 0 to 32768
[  233.882589][ T6687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.890196][ T6687] CPU: 1 UID: 0 PID: 6687 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  233.890221][ T6687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  233.890233][ T6687] Call Trace:
[  233.890241][ T6687]  <TASK>
[  233.890249][ T6687]  dump_stack_lvl+0x189/0x250
[  233.890278][ T6687]  ? __pfx_dump_stack_lvl+0x10/0x10
[  233.890302][ T6687]  ? __pfx__printk+0x10/0x10
[  233.890326][ T6687]  ? kernfs_root+0x1c/0x230
[  233.890345][ T6687]  ? kernfs_path_from_node+0x250/0x290
[  233.890379][ T6687]  ? kernfs_path_from_node+0x2f/0x290
[  233.890398][ T6687]  sysfs_create_dir_ns+0x259/0x280
[  233.890428][ T6687]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  233.890458][ T6687]  ? do_raw_spin_unlock+0x122/0x240
[  233.890481][ T6687]  kobject_add_internal+0x59f/0xb40
[  233.890510][ T6687]  kobject_init_and_add+0x125/0x190
[  233.890537][ T6687]  ? __pfx_kobject_init_and_add+0x10/0x10
[  233.890561][ T6687]  ? __raw_spin_lock_init+0x45/0x100
[  233.890582][ T6687]  ? __init_swait_queue_head+0xa9/0x150
[  233.890602][ T6687]  gfs2_sys_fs_add+0x234/0x450
[  233.890632][ T6687]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  233.890663][ T6687]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  233.890691][ T6687]  gfs2_fill_super+0x13c0/0x20d0
[  233.890720][ T6687]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.890743][ T6687]  ? sb_set_blocksize+0x104/0x180
[  233.890770][ T6687]  ? setup_bdev_super+0x4c1/0x5b0
[  233.890794][ T6687]  get_tree_bdev_flags+0x40e/0x4d0
[  233.890816][ T6687]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.890838][ T6687]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  233.890866][ T6687]  gfs2_get_tree+0x51/0x1e0
[  233.890889][ T6687]  vfs_get_tree+0x92/0x2b0
[  233.890912][ T6687]  do_new_mount+0x2a2/0xa30
[  233.890939][ T6687]  ? ns_capable+0x8a/0xf0
[  233.890966][ T6687]  ? __pfx_do_new_mount+0x10/0x10
[  233.890990][ T6687]  ? path_mount+0x61c/0xfe0
[  233.891012][ T6687]  ? user_path_at+0x44/0x60
[  233.891043][ T6687]  __se_sys_mount+0x317/0x410
[  233.891071][ T6687]  ? __pfx___se_sys_mount+0x10/0x10
[  233.891097][ T6687]  ? rcu_is_watching+0x15/0xb0
[  233.891125][ T6687]  ? __x64_sys_mount+0x20/0xc0
[  233.891151][ T6687]  do_syscall_64+0xfa/0xfa0
[  233.891175][ T6687]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.891194][ T6687]  ? clear_bhb_loop+0x60/0xb0
[  233.891216][ T6687]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.891235][ T6687] RIP: 0033:0x7f6e1d59038a
[  233.891252][ T6687] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  233.891270][ T6687] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.891297][ T6687] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  233.891312][ T6687] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  233.891326][ T6687] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  233.891340][ T6687] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  233.891354][ T6687] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  233.891376][ T6687]  </TASK>
[  233.891396][ T6687] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.206875][ T6687] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:27:57 executed programs: 208
[  234.472938][ T6690] loop1: detected capacity change from 0 to 32768
[  234.484732][ T6690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.493296][ T6690] CPU: 0 UID: 0 PID: 6690 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full) 
[  234.493324][ T6690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  234.493337][ T6690] Call Trace:
[  234.493345][ T6690]  <TASK>
[  234.493353][ T6690]  dump_stack_lvl+0x189/0x250
[  234.493385][ T6690]  ? __pfx_dump_stack_lvl+0x10/0x10
[  234.493410][ T6690]  ? __pfx__printk+0x10/0x10
[  234.493435][ T6690]  ? kernfs_root+0x1c/0x230
[  234.493456][ T6690]  ? kernfs_path_from_node+0x250/0x290
[  234.493473][ T6690]  ? kernfs_path_from_node+0x2f/0x290
[  234.493493][ T6690]  sysfs_create_dir_ns+0x259/0x280
[  234.493525][ T6690]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  234.493556][ T6690]  ? do_raw_spin_unlock+0x122/0x240
[  234.493580][ T6690]  kobject_add_internal+0x59f/0xb40
[  234.493611][ T6690]  kobject_init_and_add+0x125/0x190
[  234.493639][ T6690]  ? __pfx_kobject_init_and_add+0x10/0x10
[  234.493665][ T6690]  ? __raw_spin_lock_init+0x45/0x100
[  234.493687][ T6690]  ? __init_swait_queue_head+0xa9/0x150
[  234.493709][ T6690]  gfs2_sys_fs_add+0x234/0x450
[  234.493740][ T6690]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  234.493773][ T6690]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  234.493810][ T6690]  gfs2_fill_super+0x13c0/0x20d0
[  234.493840][ T6690]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.493865][ T6690]  ? sb_set_blocksize+0x104/0x180
[  234.493893][ T6690]  ? setup_bdev_super+0x4c1/0x5b0
[  234.493919][ T6690]  get_tree_bdev_flags+0x40e/0x4d0
[  234.493953][ T6690]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.493976][ T6690]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  234.494006][ T6690]  gfs2_get_tree+0x51/0x1e0
[  234.494030][ T6690]  vfs_get_tree+0x92/0x2b0
[  234.494054][ T6690]  do_new_mount+0x2a2/0xa30
[  234.494083][ T6690]  ? ns_capable+0x8a/0xf0
[  234.494111][ T6690]  ? __pfx_do_new_mount+0x10/0x10
[  234.494136][ T6690]  ? path_mount+0x61c/0xfe0
[  234.494159][ T6690]  ? user_path_at+0x44/0x60
[  234.494182][ T6690]  __se_sys_mount+0x317/0x410
[  234.494212][ T6690]  ? __pfx___se_sys_mount+0x10/0x10
[  234.494241][ T6690]  ? rcu_is_watching+0x15/0xb0
[  234.494269][ T6690]  ? __x64_sys_mount+0x20/0xc0
[  234.494296][ T6690]  do_syscall_64+0xfa/0xfa0
[  234.494321][ T6690]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.494341][ T6690]  ? clear_bhb_loop+0x60/0xb0
[  234.494364][ T6690]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.494384][ T6690] RIP: 0033:0x7f6e1d59038a
[  234.494402][ T6690] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  234.494422][ T6690] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.494445][ T6690] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  234.494461][ T6690] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  234.494477][ T6690] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  234.494491][ T6690] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  234.494505][ T6690] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  234.494530][ T6690]  </TASK>
[  234.494550][ T6690] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.808679][ T6690] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.092191][ T6693] loop1: detected capacity change from 0 to 32768
[  235.115381][ T6693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.122951][ T6693] CPU: 1 UID: 0 PID: 6693 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full) 
[  235.122980][ T6693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.122995][ T6693] Call Trace:
[  235.123005][ T6693]  <TASK>
[  235.123015][ T6693]  dump_stack_lvl+0x189/0x250
[  235.123050][ T6693]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.123078][ T6693]  ? __pfx__printk+0x10/0x10
[  235.123108][ T6693]  ? kernfs_root+0x1c/0x230
[  235.123154][ T6693]  ? kernfs_path_from_node+0x250/0x290
[  235.123168][ T6693]  ? kernfs_path_from_node+0x2f/0x290
[  235.123184][ T6693]  sysfs_create_dir_ns+0x259/0x280
[  235.123208][ T6693]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  235.123232][ T6693]  ? do_raw_spin_unlock+0x122/0x240
[  235.123250][ T6693]  kobject_add_internal+0x59f/0xb40
[  235.123273][ T6693]  kobject_init_and_add+0x125/0x190
[  235.123295][ T6693]  ? __pfx_kobject_init_and_add+0x10/0x10
[  235.123317][ T6693]  ? __raw_spin_lock_init+0x45/0x100
[  235.123334][ T6693]  ? __init_swait_queue_head+0xa9/0x150
[  235.123351][ T6693]  gfs2_sys_fs_add+0x234/0x450
[  235.123374][ T6693]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  235.123399][ T6693]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  235.123421][ T6693]  gfs2_fill_super+0x13c0/0x20d0
[  235.123464][ T6693]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.123483][ T6693]  ? sb_set_blocksize+0x104/0x180
[  235.123506][ T6693]  ? setup_bdev_super+0x4c1/0x5b0
[  235.123528][ T6693]  get_tree_bdev_flags+0x40e/0x4d0
[  235.123553][ T6693]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.123572][ T6693]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  235.123596][ T6693]  gfs2_get_tree+0x51/0x1e0
[  235.123614][ T6693]  vfs_get_tree+0x92/0x2b0
[  235.123634][ T6693]  do_new_mount+0x2a2/0xa30
[  235.123656][ T6693]  ? ns_capable+0x8a/0xf0
[  235.123679][ T6693]  ? __pfx_do_new_mount+0x10/0x10
[  235.123699][ T6693]  ? path_mount+0x61c/0xfe0
[  235.123718][ T6693]  ? user_path_at+0x44/0x60
[  235.123737][ T6693]  __se_sys_mount+0x317/0x410
[  235.123760][ T6693]  ? __pfx___se_sys_mount+0x10/0x10
[  235.123783][ T6693]  ? rcu_is_watching+0x15/0xb0
[  235.123806][ T6693]  ? __x64_sys_mount+0x20/0xc0
[  235.123828][ T6693]  do_syscall_64+0xfa/0xfa0
[  235.123848][ T6693]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.123865][ T6693]  ? clear_bhb_loop+0x60/0xb0
[  235.123885][ T6693]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.123904][ T6693] RIP: 0033:0x7f6e1d59038a
[  235.123922][ T6693] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  235.123940][ T6693] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.123963][ T6693] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  235.123978][ T6693] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  235.123992][ T6693] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  235.124007][ T6693] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  235.124020][ T6693] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  235.124043][ T6693]  </TASK>
[  235.124457][ T6693] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.440413][ T6693] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.710682][ T6696] loop1: detected capacity change from 0 to 32768
[  235.723251][ T6696] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.731016][ T6696] CPU: 0 UID: 0 PID: 6696 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT(full) 
[  235.731042][ T6696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.731056][ T6696] Call Trace:
[  235.731064][ T6696]  <TASK>
[  235.731072][ T6696]  dump_stack_lvl+0x189/0x250
[  235.731104][ T6696]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.731128][ T6696]  ? __pfx__printk+0x10/0x10
[  235.731163][ T6696]  ? kernfs_root+0x1c/0x230
[  235.731185][ T6696]  ? kernfs_path_from_node+0x250/0x290
[  235.731202][ T6696]  ? kernfs_path_from_node+0x2f/0x290
[  235.731223][ T6696]  sysfs_create_dir_ns+0x259/0x280
[  235.731254][ T6696]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  235.731286][ T6696]  ? do_raw_spin_unlock+0x122/0x240
[  235.731310][ T6696]  kobject_add_internal+0x59f/0xb40
[  235.731341][ T6696]  kobject_init_and_add+0x125/0x190
[  235.731370][ T6696]  ? __pfx_kobject_init_and_add+0x10/0x10
[  235.731395][ T6696]  ? __raw_spin_lock_init+0x45/0x100
[  235.731416][ T6696]  ? __init_swait_queue_head+0xa9/0x150
[  235.731436][ T6696]  gfs2_sys_fs_add+0x234/0x450
[  235.731466][ T6696]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  235.731499][ T6696]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  235.731529][ T6696]  gfs2_fill_super+0x13c0/0x20d0
[  235.731558][ T6696]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.731582][ T6696]  ? sb_set_blocksize+0x104/0x180
[  235.731611][ T6696]  ? setup_bdev_super+0x4c1/0x5b0
[  235.731637][ T6696]  get_tree_bdev_flags+0x40e/0x4d0
[  235.731661][ T6696]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.731684][ T6696]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  235.731714][ T6696]  gfs2_get_tree+0x51/0x1e0
[  235.731737][ T6696]  vfs_get_tree+0x92/0x2b0
[  235.731762][ T6696]  do_new_mount+0x2a2/0xa30
[  235.731789][ T6696]  ? ns_capable+0x8a/0xf0
[  235.731818][ T6696]  ? __pfx_do_new_mount+0x10/0x10
[  235.731843][ T6696]  ? path_mount+0x61c/0xfe0
[  235.731867][ T6696]  ? user_path_at+0x44/0x60
[  235.731889][ T6696]  __se_sys_mount+0x317/0x410
[  235.731919][ T6696]  ? __pfx___se_sys_mount+0x10/0x10
[  235.731946][ T6696]  ? rcu_is_watching+0x15/0xb0
[  235.731975][ T6696]  ? __x64_sys_mount+0x20/0xc0
[  235.732003][ T6696]  do_syscall_64+0xfa/0xfa0
[  235.732028][ T6696]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.732048][ T6696]  ? clear_bhb_loop+0x60/0xb0
[  235.732071][ T6696]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.732091][ T6696] RIP: 0033:0x7f6e1d59038a
[  235.732110][ T6696] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  235.732129][ T6696] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.732188][ T6696] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  235.732204][ T6696] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  235.732219][ T6696] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  235.732234][ T6696] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  235.732248][ T6696] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  235.732272][ T6696]  </TASK>
[  235.732292][ T6696] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.046554][ T6696] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.311284][ T6699] loop1: detected capacity change from 0 to 32768
[  236.324154][ T6699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.333026][ T6699] CPU: 1 UID: 0 PID: 6699 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
[  236.333062][ T6699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  236.333075][ T6699] Call Trace:
[  236.333083][ T6699]  <TASK>
[  236.333092][ T6699]  dump_stack_lvl+0x189/0x250
[  236.333123][ T6699]  ? __pfx_dump_stack_lvl+0x10/0x10
[  236.333148][ T6699]  ? __pfx__printk+0x10/0x10
[  236.333173][ T6699]  ? kernfs_root+0x1c/0x230
[  236.333194][ T6699]  ? kernfs_path_from_node+0x250/0x290
[  236.333212][ T6699]  ? kernfs_path_from_node+0x2f/0x290
[  236.333231][ T6699]  sysfs_create_dir_ns+0x259/0x280
[  236.333263][ T6699]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.333294][ T6699]  ? do_raw_spin_unlock+0x122/0x240
[  236.333318][ T6699]  kobject_add_internal+0x59f/0xb40
[  236.333349][ T6699]  kobject_init_and_add+0x125/0x190
[  236.333377][ T6699]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.333402][ T6699]  ? __raw_spin_lock_init+0x45/0x100
[  236.333423][ T6699]  ? __init_swait_queue_head+0xa9/0x150
[  236.333445][ T6699]  gfs2_sys_fs_add+0x234/0x450
[  236.333475][ T6699]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.333508][ T6699]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.333538][ T6699]  gfs2_fill_super+0x13c0/0x20d0
[  236.333569][ T6699]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.333593][ T6699]  ? sb_set_blocksize+0x104/0x180
[  236.333622][ T6699]  ? setup_bdev_super+0x4c1/0x5b0
[  236.333648][ T6699]  get_tree_bdev_flags+0x40e/0x4d0
[  236.333673][ T6699]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.333696][ T6699]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.333725][ T6699]  gfs2_get_tree+0x51/0x1e0
[  236.333748][ T6699]  vfs_get_tree+0x92/0x2b0
[  236.333772][ T6699]  do_new_mount+0x2a2/0xa30
[  236.333798][ T6699]  ? ns_capable+0x8a/0xf0
[  236.333827][ T6699]  ? __pfx_do_new_mount+0x10/0x10
[  236.333852][ T6699]  ? path_mount+0x61c/0xfe0
[  236.333876][ T6699]  ? user_path_at+0x44/0x60
[  236.333899][ T6699]  __se_sys_mount+0x317/0x410
[  236.333929][ T6699]  ? __pfx___se_sys_mount+0x10/0x10
[  236.333957][ T6699]  ? rcu_is_watching+0x15/0xb0
[  236.333985][ T6699]  ? __x64_sys_mount+0x20/0xc0
[  236.334013][ T6699]  do_syscall_64+0xfa/0xfa0
[  236.334038][ T6699]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.334069][ T6699]  ? clear_bhb_loop+0x60/0xb0
[  236.334092][ T6699]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.334112][ T6699] RIP: 0033:0x7f6e1d59038a
[  236.334131][ T6699] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  236.334149][ T6699] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.334172][ T6699] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  236.334188][ T6699] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  236.334203][ T6699] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  236.334217][ T6699] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  236.334231][ T6699] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  236.334255][ T6699]  </TASK>
[  236.334275][ T6699] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.650244][ T6699] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.921952][ T6702] loop1: detected capacity change from 0 to 32768
[  236.943556][ T6702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.951310][ T6702] CPU: 1 UID: 0 PID: 6702 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT(full) 
[  236.951336][ T6702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  236.951349][ T6702] Call Trace:
[  236.951357][ T6702]  <TASK>
[  236.951365][ T6702]  dump_stack_lvl+0x189/0x250
[  236.951396][ T6702]  ? __pfx_dump_stack_lvl+0x10/0x10
[  236.951420][ T6702]  ? __pfx__printk+0x10/0x10
[  236.951446][ T6702]  ? kernfs_root+0x1c/0x230
[  236.951485][ T6702]  ? kernfs_path_from_node+0x250/0x290
[  236.951503][ T6702]  ? kernfs_path_from_node+0x2f/0x290
[  236.951523][ T6702]  sysfs_create_dir_ns+0x259/0x280
[  236.951554][ T6702]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.951585][ T6702]  ? do_raw_spin_unlock+0x122/0x240
[  236.951609][ T6702]  kobject_add_internal+0x59f/0xb40
[  236.951640][ T6702]  kobject_init_and_add+0x125/0x190
[  236.951668][ T6702]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.951705][ T6702]  ? __raw_spin_lock_init+0x45/0x100
[  236.951727][ T6702]  ? __init_swait_queue_head+0xa9/0x150
[  236.951750][ T6702]  gfs2_sys_fs_add+0x234/0x450
[  236.951779][ T6702]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.951812][ T6702]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.951842][ T6702]  gfs2_fill_super+0x13c0/0x20d0
[  236.951872][ T6702]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.951897][ T6702]  ? sb_set_blocksize+0x104/0x180
[  236.951925][ T6702]  ? setup_bdev_super+0x4c1/0x5b0
[  236.951951][ T6702]  get_tree_bdev_flags+0x40e/0x4d0
[  236.951986][ T6702]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.952008][ T6702]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.952036][ T6702]  gfs2_get_tree+0x51/0x1e0
[  236.952059][ T6702]  vfs_get_tree+0x92/0x2b0
[  236.952082][ T6702]  do_new_mount+0x2a2/0xa30
[  236.952109][ T6702]  ? ns_capable+0x8a/0xf0
[  236.952137][ T6702]  ? __pfx_do_new_mount+0x10/0x10
[  236.952161][ T6702]  ? path_mount+0x61c/0xfe0
[  236.952184][ T6702]  ? user_path_at+0x44/0x60
[  236.952206][ T6702]  __se_sys_mount+0x317/0x410
[  236.952234][ T6702]  ? __pfx___se_sys_mount+0x10/0x10
[  236.952261][ T6702]  ? rcu_is_watching+0x15/0xb0
[  236.952289][ T6702]  ? __x64_sys_mount+0x20/0xc0
[  236.952316][ T6702]  do_syscall_64+0xfa/0xfa0
[  236.952340][ T6702]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.952358][ T6702]  ? clear_bhb_loop+0x60/0xb0
[  236.952380][ T6702]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.952399][ T6702] RIP: 0033:0x7f6e1d59038a
[  236.952417][ T6702] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  236.952436][ T6702] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.952459][ T6702] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  236.952474][ T6702] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  236.952489][ T6702] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  236.952502][ T6702] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  236.952516][ T6702] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  236.952538][ T6702]  </TASK>
[  236.952556][ T6702] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.267340][ T6702] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.523733][ T6705] loop1: detected capacity change from 0 to 32768
[  237.537788][ T6705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.545201][ T6705] CPU: 0 UID: 0 PID: 6705 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT(full) 
[  237.545226][ T6705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  237.545239][ T6705] Call Trace:
[  237.545247][ T6705]  <TASK>
[  237.545255][ T6705]  dump_stack_lvl+0x189/0x250
[  237.545286][ T6705]  ? __pfx_dump_stack_lvl+0x10/0x10
[  237.545310][ T6705]  ? __pfx__printk+0x10/0x10
[  237.545336][ T6705]  ? kernfs_root+0x1c/0x230
[  237.545356][ T6705]  ? kernfs_path_from_node+0x250/0x290
[  237.545373][ T6705]  ? kernfs_path_from_node+0x2f/0x290
[  237.545393][ T6705]  sysfs_create_dir_ns+0x259/0x280
[  237.545423][ T6705]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  237.545454][ T6705]  ? do_raw_spin_unlock+0x122/0x240
[  237.545478][ T6705]  kobject_add_internal+0x59f/0xb40
[  237.545508][ T6705]  kobject_init_and_add+0x125/0x190
[  237.545535][ T6705]  ? __pfx_kobject_init_and_add+0x10/0x10
[  237.545560][ T6705]  ? __raw_spin_lock_init+0x45/0x100
[  237.545580][ T6705]  ? __init_swait_queue_head+0xa9/0x150
[  237.545602][ T6705]  gfs2_sys_fs_add+0x234/0x450
[  237.545640][ T6705]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  237.545673][ T6705]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  237.545702][ T6705]  gfs2_fill_super+0x13c0/0x20d0
[  237.545731][ T6705]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.545755][ T6705]  ? sb_set_blocksize+0x104/0x180
[  237.545783][ T6705]  ? setup_bdev_super+0x4c1/0x5b0
[  237.545808][ T6705]  get_tree_bdev_flags+0x40e/0x4d0
[  237.545831][ T6705]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.545853][ T6705]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  237.545882][ T6705]  gfs2_get_tree+0x51/0x1e0
[  237.545904][ T6705]  vfs_get_tree+0x92/0x2b0
[  237.545928][ T6705]  do_new_mount+0x2a2/0xa30
[  237.545955][ T6705]  ? ns_capable+0x8a/0xf0
[  237.545983][ T6705]  ? __pfx_do_new_mount+0x10/0x10
[  237.546008][ T6705]  ? path_mount+0x61c/0xfe0
[  237.546031][ T6705]  ? user_path_at+0x44/0x60
[  237.546053][ T6705]  __se_sys_mount+0x317/0x410
[  237.546081][ T6705]  ? __pfx___se_sys_mount+0x10/0x10
[  237.546108][ T6705]  ? rcu_is_watching+0x15/0xb0
[  237.546136][ T6705]  ? __x64_sys_mount+0x20/0xc0
[  237.546163][ T6705]  do_syscall_64+0xfa/0xfa0
[  237.546188][ T6705]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.546208][ T6705]  ? clear_bhb_loop+0x60/0xb0
[  237.546230][ T6705]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.546250][ T6705] RIP: 0033:0x7f6e1d59038a
[  237.546267][ T6705] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  237.546303][ T6705] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.546326][ T6705] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  237.546342][ T6705] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  237.546361][ T6705] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  237.546389][ T6705] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  237.546404][ T6705] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  237.546428][ T6705]  </TASK>
[  237.849560][ T6705] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.864796][ T6705] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.189870][ T6708] loop1: detected capacity change from 0 to 32768
[  238.207954][ T6708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.215396][ T6708] CPU: 0 UID: 0 PID: 6708 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT(full) 
[  238.215424][ T6708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  238.215439][ T6708] Call Trace:
[  238.215448][ T6708]  <TASK>
[  238.215457][ T6708]  dump_stack_lvl+0x189/0x250
[  238.215490][ T6708]  ? __pfx_dump_stack_lvl+0x10/0x10
[  238.215518][ T6708]  ? __pfx__printk+0x10/0x10
[  238.215547][ T6708]  ? kernfs_root+0x1c/0x230
[  238.215575][ T6708]  ? kernfs_path_from_node+0x250/0x290
[  238.215594][ T6708]  ? kernfs_path_from_node+0x2f/0x290
[  238.215616][ T6708]  sysfs_create_dir_ns+0x259/0x280
[  238.215649][ T6708]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  238.215684][ T6708]  ? do_raw_spin_unlock+0x122/0x240
[  238.215709][ T6708]  kobject_add_internal+0x59f/0xb40
[  238.215743][ T6708]  kobject_init_and_add+0x125/0x190
[  238.215773][ T6708]  ? __pfx_kobject_init_and_add+0x10/0x10
[  238.215809][ T6708]  ? __raw_spin_lock_init+0x45/0x100
[  238.215834][ T6708]  ? __init_swait_queue_head+0xa9/0x150
[  238.215858][ T6708]  gfs2_sys_fs_add+0x234/0x450
[  238.215891][ T6708]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  238.215927][ T6708]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  238.215959][ T6708]  gfs2_fill_super+0x13c0/0x20d0
[  238.215992][ T6708]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.216018][ T6708]  ? sb_set_blocksize+0x104/0x180
[  238.216049][ T6708]  ? setup_bdev_super+0x4c1/0x5b0
[  238.216077][ T6708]  get_tree_bdev_flags+0x40e/0x4d0
[  238.216103][ T6708]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.216127][ T6708]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  238.216159][ T6708]  gfs2_get_tree+0x51/0x1e0
[  238.216184][ T6708]  vfs_get_tree+0x92/0x2b0
[  238.216210][ T6708]  do_new_mount+0x2a2/0xa30
[  238.216245][ T6708]  ? ns_capable+0x8a/0xf0
[  238.216275][ T6708]  ? __pfx_do_new_mount+0x10/0x10
[  238.216319][ T6708]  ? path_mount+0x61c/0xfe0
[  238.216346][ T6708]  ? user_path_at+0x44/0x60
[  238.216371][ T6708]  __se_sys_mount+0x317/0x410
[  238.216404][ T6708]  ? __pfx___se_sys_mount+0x10/0x10
[  238.216436][ T6708]  ? rcu_is_watching+0x15/0xb0
[  238.216468][ T6708]  ? __x64_sys_mount+0x20/0xc0
[  238.216499][ T6708]  do_syscall_64+0xfa/0xfa0
[  238.216528][ T6708]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.216551][ T6708]  ? clear_bhb_loop+0x60/0xb0
[  238.216576][ T6708]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.216599][ T6708] RIP: 0033:0x7f6e1d59038a
[  238.216620][ T6708] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  238.216641][ T6708] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.216667][ T6708] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  238.216685][ T6708] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  238.216702][ T6708] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  238.216718][ T6708] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  238.216734][ T6708] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  238.216761][ T6708]  </TASK>
[  238.515420][ T6708] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.529453][ T6708] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.798999][ T6712] loop1: detected capacity change from 0 to 32768
[  238.807954][ T6712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.816809][ T6712] CPU: 0 UID: 0 PID: 6712 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT(full) 
[  238.816843][ T6712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  238.816856][ T6712] Call Trace:
[  238.816864][ T6712]  <TASK>
[  238.816872][ T6712]  dump_stack_lvl+0x189/0x250
[  238.816902][ T6712]  ? __pfx_dump_stack_lvl+0x10/0x10
[  238.816926][ T6712]  ? __pfx__printk+0x10/0x10
[  238.816951][ T6712]  ? kernfs_root+0x1c/0x230
[  238.816971][ T6712]  ? kernfs_path_from_node+0x250/0x290
[  238.816988][ T6712]  ? kernfs_path_from_node+0x2f/0x290
[  238.817008][ T6712]  sysfs_create_dir_ns+0x259/0x280
[  238.817037][ T6712]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  238.817068][ T6712]  ? do_raw_spin_unlock+0x122/0x240
[  238.817090][ T6712]  kobject_add_internal+0x59f/0xb40
[  238.817120][ T6712]  kobject_init_and_add+0x125/0x190
[  238.817146][ T6712]  ? __pfx_kobject_init_and_add+0x10/0x10
[  238.817171][ T6712]  ? __raw_spin_lock_init+0x45/0x100
[  238.817191][ T6712]  ? __init_swait_queue_head+0xa9/0x150
[  238.817213][ T6712]  gfs2_sys_fs_add+0x234/0x450
[  238.817242][ T6712]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  238.817273][ T6712]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  238.817302][ T6712]  gfs2_fill_super+0x13c0/0x20d0
[  238.817331][ T6712]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.817354][ T6712]  ? sb_set_blocksize+0x104/0x180
[  238.817381][ T6712]  ? setup_bdev_super+0x4c1/0x5b0
[  238.817405][ T6712]  get_tree_bdev_flags+0x40e/0x4d0
[  238.817428][ T6712]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.817450][ T6712]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  238.817479][ T6712]  gfs2_get_tree+0x51/0x1e0
[  238.817513][ T6712]  vfs_get_tree+0x92/0x2b0
[  238.817536][ T6712]  do_new_mount+0x2a2/0xa30
[  238.817561][ T6712]  ? ns_capable+0x8a/0xf0
[  238.817589][ T6712]  ? __pfx_do_new_mount+0x10/0x10
[  238.817612][ T6712]  ? path_mount+0x61c/0xfe0
[  238.817634][ T6712]  ? user_path_at+0x44/0x60
[  238.817656][ T6712]  __se_sys_mount+0x317/0x410
[  238.817682][ T6712]  ? __pfx___se_sys_mount+0x10/0x10
[  238.817708][ T6712]  ? rcu_is_watching+0x15/0xb0
[  238.817735][ T6712]  ? __x64_sys_mount+0x20/0xc0
[  238.817760][ T6712]  do_syscall_64+0xfa/0xfa0
[  238.817783][ T6712]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.817801][ T6712]  ? clear_bhb_loop+0x60/0xb0
[  238.817829][ T6712]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.817847][ T6712] RIP: 0033:0x7f6e1d59038a
[  238.817864][ T6712] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  238.817882][ T6712] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.817903][ T6712] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  238.817918][ T6712] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  238.817931][ T6712] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  238.817945][ T6712] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  238.817957][ T6712] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  238.817979][ T6712]  </TASK>
[  238.817997][ T6712] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.132095][ T6712] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.408893][ T6717] loop1: detected capacity change from 0 to 32768
[  239.420667][ T6717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.428223][ T6717] CPU: 0 UID: 0 PID: 6717 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT(full) 
[  239.428249][ T6717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  239.428262][ T6717] Call Trace:
[  239.428270][ T6717]  <TASK>
[  239.428278][ T6717]  dump_stack_lvl+0x189/0x250
[  239.428310][ T6717]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.428334][ T6717]  ? __pfx__printk+0x10/0x10
[  239.428360][ T6717]  ? kernfs_root+0x1c/0x230
[  239.428381][ T6717]  ? kernfs_path_from_node+0x250/0x290
[  239.428398][ T6717]  ? kernfs_path_from_node+0x2f/0x290
[  239.428418][ T6717]  sysfs_create_dir_ns+0x259/0x280
[  239.428449][ T6717]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  239.428480][ T6717]  ? do_raw_spin_unlock+0x122/0x240
[  239.428503][ T6717]  kobject_add_internal+0x59f/0xb40
[  239.428533][ T6717]  kobject_init_and_add+0x125/0x190
[  239.428560][ T6717]  ? __pfx_kobject_init_and_add+0x10/0x10
[  239.428585][ T6717]  ? __raw_spin_lock_init+0x45/0x100
[  239.428605][ T6717]  ? __init_swait_queue_head+0xa9/0x150
[  239.428626][ T6717]  gfs2_sys_fs_add+0x234/0x450
[  239.428654][ T6717]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  239.428694][ T6717]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  239.428720][ T6717]  gfs2_fill_super+0x13c0/0x20d0
[  239.428743][ T6717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.428762][ T6717]  ? sb_set_blocksize+0x104/0x180
[  239.428785][ T6717]  ? setup_bdev_super+0x4c1/0x5b0
[  239.428805][ T6717]  get_tree_bdev_flags+0x40e/0x4d0
[  239.428823][ T6717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.428841][ T6717]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.428864][ T6717]  gfs2_get_tree+0x51/0x1e0
[  239.428882][ T6717]  vfs_get_tree+0x92/0x2b0
[  239.428901][ T6717]  do_new_mount+0x2a2/0xa30
[  239.428922][ T6717]  ? ns_capable+0x8a/0xf0
[  239.428945][ T6717]  ? __pfx_do_new_mount+0x10/0x10
[  239.428965][ T6717]  ? path_mount+0x61c/0xfe0
[  239.428983][ T6717]  ? user_path_at+0x44/0x60
[  239.429001][ T6717]  __se_sys_mount+0x317/0x410
[  239.429024][ T6717]  ? __pfx___se_sys_mount+0x10/0x10
[  239.429046][ T6717]  ? rcu_is_watching+0x15/0xb0
[  239.429069][ T6717]  ? __x64_sys_mount+0x20/0xc0
[  239.429090][ T6717]  do_syscall_64+0xfa/0xfa0
[  239.429110][ T6717]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.429126][ T6717]  ? clear_bhb_loop+0x60/0xb0
[  239.429143][ T6717]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.429159][ T6717] RIP: 0033:0x7f6e1d59038a
[  239.429176][ T6717] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  239.429191][ T6717] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.429209][ T6717] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  239.429222][ T6717] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  239.429233][ T6717] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  239.429245][ T6717] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  239.429255][ T6717] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  239.429292][ T6717]  </TASK>
[  239.429314][ T6717] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.743330][ T6717] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:28:03 executed programs: 217
[  240.012386][ T6721] loop1: detected capacity change from 0 to 32768
[  240.021019][ T6721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.028860][ T6721] CPU: 0 UID: 0 PID: 6721 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full) 
[  240.028885][ T6721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  240.028899][ T6721] Call Trace:
[  240.028907][ T6721]  <TASK>
[  240.028915][ T6721]  dump_stack_lvl+0x189/0x250
[  240.028947][ T6721]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.028971][ T6721]  ? __pfx__printk+0x10/0x10
[  240.028996][ T6721]  ? kernfs_root+0x1c/0x230
[  240.029017][ T6721]  ? kernfs_path_from_node+0x250/0x290
[  240.029034][ T6721]  ? kernfs_path_from_node+0x2f/0x290
[  240.029054][ T6721]  sysfs_create_dir_ns+0x259/0x280
[  240.029085][ T6721]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.029117][ T6721]  ? do_raw_spin_unlock+0x122/0x240
[  240.029140][ T6721]  kobject_add_internal+0x59f/0xb40
[  240.029171][ T6721]  kobject_init_and_add+0x125/0x190
[  240.029200][ T6721]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.029226][ T6721]  ? __raw_spin_lock_init+0x45/0x100
[  240.029248][ T6721]  ? __init_swait_queue_head+0xa9/0x150
[  240.029269][ T6721]  gfs2_sys_fs_add+0x234/0x450
[  240.029299][ T6721]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.029332][ T6721]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.029361][ T6721]  gfs2_fill_super+0x13c0/0x20d0
[  240.029389][ T6721]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.029421][ T6721]  ? sb_set_blocksize+0x104/0x180
[  240.029447][ T6721]  ? setup_bdev_super+0x4c1/0x5b0
[  240.029472][ T6721]  get_tree_bdev_flags+0x40e/0x4d0
[  240.029494][ T6721]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.029515][ T6721]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.029543][ T6721]  gfs2_get_tree+0x51/0x1e0
[  240.029566][ T6721]  vfs_get_tree+0x92/0x2b0
[  240.029589][ T6721]  do_new_mount+0x2a2/0xa30
[  240.029618][ T6721]  ? ns_capable+0x8a/0xf0
[  240.029646][ T6721]  ? __pfx_do_new_mount+0x10/0x10
[  240.029671][ T6721]  ? path_mount+0x61c/0xfe0
[  240.029695][ T6721]  ? user_path_at+0x44/0x60
[  240.029718][ T6721]  __se_sys_mount+0x317/0x410
[  240.029747][ T6721]  ? __pfx___se_sys_mount+0x10/0x10
[  240.029775][ T6721]  ? rcu_is_watching+0x15/0xb0
[  240.029804][ T6721]  ? __x64_sys_mount+0x20/0xc0
[  240.029831][ T6721]  do_syscall_64+0xfa/0xfa0
[  240.029857][ T6721]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.029878][ T6721]  ? clear_bhb_loop+0x60/0xb0
[  240.029901][ T6721]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.029921][ T6721] RIP: 0033:0x7f6e1d59038a
[  240.029938][ T6721] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  240.029958][ T6721] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.029981][ T6721] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  240.029997][ T6721] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  240.030012][ T6721] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  240.030026][ T6721] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  240.030040][ T6721] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  240.030064][ T6721]  </TASK>
[  240.030141][ T6721] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.344611][ T6721] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.630771][ T6726] loop1: detected capacity change from 0 to 32768
[  240.647170][ T6726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.655104][ T6726] CPU: 0 UID: 0 PID: 6726 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT(full) 
[  240.655132][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  240.655145][ T6726] Call Trace:
[  240.655153][ T6726]  <TASK>
[  240.655162][ T6726]  dump_stack_lvl+0x189/0x250
[  240.655193][ T6726]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.655218][ T6726]  ? __pfx__printk+0x10/0x10
[  240.655244][ T6726]  ? kernfs_root+0x1c/0x230
[  240.655266][ T6726]  ? kernfs_path_from_node+0x250/0x290
[  240.655284][ T6726]  ? kernfs_path_from_node+0x2f/0x290
[  240.655304][ T6726]  sysfs_create_dir_ns+0x259/0x280
[  240.655336][ T6726]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.655428][ T6726]  ? do_raw_spin_unlock+0x122/0x240
[  240.655452][ T6726]  kobject_add_internal+0x59f/0xb40
[  240.655483][ T6726]  kobject_init_and_add+0x125/0x190
[  240.655512][ T6726]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.655537][ T6726]  ? __raw_spin_lock_init+0x45/0x100
[  240.655559][ T6726]  ? __init_swait_queue_head+0xa9/0x150
[  240.655581][ T6726]  gfs2_sys_fs_add+0x234/0x450
[  240.655611][ T6726]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.655645][ T6726]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.655675][ T6726]  gfs2_fill_super+0x13c0/0x20d0
[  240.655705][ T6726]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.655730][ T6726]  ? sb_set_blocksize+0x104/0x180
[  240.655758][ T6726]  ? setup_bdev_super+0x4c1/0x5b0
[  240.655784][ T6726]  get_tree_bdev_flags+0x40e/0x4d0
[  240.655808][ T6726]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.655831][ T6726]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.655861][ T6726]  gfs2_get_tree+0x51/0x1e0
[  240.655885][ T6726]  vfs_get_tree+0x92/0x2b0
[  240.655909][ T6726]  do_new_mount+0x2a2/0xa30
[  240.655949][ T6726]  ? ns_capable+0x8a/0xf0
[  240.655977][ T6726]  ? __pfx_do_new_mount+0x10/0x10
[  240.656001][ T6726]  ? path_mount+0x61c/0xfe0
[  240.656024][ T6726]  ? user_path_at+0x44/0x60
[  240.656047][ T6726]  __se_sys_mount+0x317/0x410
[  240.656075][ T6726]  ? __pfx___se_sys_mount+0x10/0x10
[  240.656103][ T6726]  ? rcu_is_watching+0x15/0xb0
[  240.656149][ T6726]  ? __x64_sys_mount+0x20/0xc0
[  240.656176][ T6726]  do_syscall_64+0xfa/0xfa0
[  240.656202][ T6726]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.656222][ T6726]  ? clear_bhb_loop+0x60/0xb0
[  240.656245][ T6726]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.656265][ T6726] RIP: 0033:0x7f6e1d59038a
[  240.656284][ T6726] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  240.656303][ T6726] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.656326][ T6726] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  240.656342][ T6726] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  240.656368][ T6726] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  240.656383][ T6726] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  240.656396][ T6726] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  240.656419][ T6726]  </TASK>
[  240.956183][ T6726] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.971472][ T6726] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.239692][ T6729] loop1: detected capacity change from 0 to 32768
[  241.264358][ T6729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.271875][ T6729] CPU: 0 UID: 0 PID: 6729 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT(full) 
[  241.271900][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  241.271920][ T6729] Call Trace:
[  241.271928][ T6729]  <TASK>
[  241.271936][ T6729]  dump_stack_lvl+0x189/0x250
[  241.271965][ T6729]  ? __pfx_dump_stack_lvl+0x10/0x10
[  241.271988][ T6729]  ? __pfx__printk+0x10/0x10
[  241.272030][ T6729]  ? kernfs_root+0x1c/0x230
[  241.272050][ T6729]  ? kernfs_path_from_node+0x250/0x290
[  241.272068][ T6729]  ? kernfs_path_from_node+0x2f/0x290
[  241.272087][ T6729]  sysfs_create_dir_ns+0x259/0x280
[  241.272117][ T6729]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.272147][ T6729]  ? do_raw_spin_unlock+0x122/0x240
[  241.272170][ T6729]  kobject_add_internal+0x59f/0xb40
[  241.272200][ T6729]  kobject_init_and_add+0x125/0x190
[  241.272228][ T6729]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.272253][ T6729]  ? __raw_spin_lock_init+0x45/0x100
[  241.272274][ T6729]  ? __init_swait_queue_head+0xa9/0x150
[  241.272295][ T6729]  gfs2_sys_fs_add+0x234/0x450
[  241.272324][ T6729]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.272356][ T6729]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.272384][ T6729]  gfs2_fill_super+0x13c0/0x20d0
[  241.272413][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.272437][ T6729]  ? sb_set_blocksize+0x104/0x180
[  241.272465][ T6729]  ? setup_bdev_super+0x4c1/0x5b0
[  241.272490][ T6729]  get_tree_bdev_flags+0x40e/0x4d0
[  241.272523][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.272545][ T6729]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.272574][ T6729]  gfs2_get_tree+0x51/0x1e0
[  241.272596][ T6729]  vfs_get_tree+0x92/0x2b0
[  241.272620][ T6729]  do_new_mount+0x2a2/0xa30
[  241.272647][ T6729]  ? ns_capable+0x8a/0xf0
[  241.272675][ T6729]  ? __pfx_do_new_mount+0x10/0x10
[  241.272700][ T6729]  ? path_mount+0x61c/0xfe0
[  241.272723][ T6729]  ? user_path_at+0x44/0x60
[  241.272745][ T6729]  __se_sys_mount+0x317/0x410
[  241.272774][ T6729]  ? __pfx___se_sys_mount+0x10/0x10
[  241.272801][ T6729]  ? rcu_is_watching+0x15/0xb0
[  241.272828][ T6729]  ? __x64_sys_mount+0x20/0xc0
[  241.272855][ T6729]  do_syscall_64+0xfa/0xfa0
[  241.272879][ T6729]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.272899][ T6729]  ? clear_bhb_loop+0x60/0xb0
[  241.272922][ T6729]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.272941][ T6729] RIP: 0033:0x7f6e1d59038a
[  241.272959][ T6729] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  241.272977][ T6729] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.272999][ T6729] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  241.273015][ T6729] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  241.273030][ T6729] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  241.273044][ T6729] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.273057][ T6729] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  241.273080][ T6729]  </TASK>
[  241.273101][ T6729] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.587560][ T6729] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.852550][ T6732] loop1: detected capacity change from 0 to 32768
[  241.869670][ T6732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.877132][ T6732] CPU: 0 UID: 0 PID: 6732 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT(full) 
[  241.877158][ T6732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  241.877171][ T6732] Call Trace:
[  241.877179][ T6732]  <TASK>
[  241.877188][ T6732]  dump_stack_lvl+0x189/0x250
[  241.877219][ T6732]  ? __pfx_dump_stack_lvl+0x10/0x10
[  241.877244][ T6732]  ? __pfx__printk+0x10/0x10
[  241.877278][ T6732]  ? kernfs_root+0x1c/0x230
[  241.877298][ T6732]  ? kernfs_path_from_node+0x250/0x290
[  241.877315][ T6732]  ? kernfs_path_from_node+0x2f/0x290
[  241.877335][ T6732]  sysfs_create_dir_ns+0x259/0x280
[  241.877365][ T6732]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.877394][ T6732]  ? do_raw_spin_unlock+0x122/0x240
[  241.877416][ T6732]  kobject_add_internal+0x59f/0xb40
[  241.877446][ T6732]  kobject_init_and_add+0x125/0x190
[  241.877474][ T6732]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.877498][ T6732]  ? __raw_spin_lock_init+0x45/0x100
[  241.877517][ T6732]  ? __init_swait_queue_head+0xa9/0x150
[  241.877538][ T6732]  gfs2_sys_fs_add+0x234/0x450
[  241.877567][ T6732]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.877598][ T6732]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.877627][ T6732]  gfs2_fill_super+0x13c0/0x20d0
[  241.877655][ T6732]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.877678][ T6732]  ? sb_set_blocksize+0x104/0x180
[  241.877705][ T6732]  ? setup_bdev_super+0x4c1/0x5b0
[  241.877730][ T6732]  get_tree_bdev_flags+0x40e/0x4d0
[  241.877753][ T6732]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.877774][ T6732]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.877802][ T6732]  gfs2_get_tree+0x51/0x1e0
[  241.877824][ T6732]  vfs_get_tree+0x92/0x2b0
[  241.877847][ T6732]  do_new_mount+0x2a2/0xa30
[  241.877873][ T6732]  ? ns_capable+0x8a/0xf0
[  241.877901][ T6732]  ? __pfx_do_new_mount+0x10/0x10
[  241.877925][ T6732]  ? path_mount+0x61c/0xfe0
[  241.877948][ T6732]  ? user_path_at+0x44/0x60
[  241.877970][ T6732]  __se_sys_mount+0x317/0x410
[  241.877998][ T6732]  ? __pfx___se_sys_mount+0x10/0x10
[  241.878025][ T6732]  ? rcu_is_watching+0x15/0xb0
[  241.878052][ T6732]  ? __x64_sys_mount+0x20/0xc0
[  241.878078][ T6732]  do_syscall_64+0xfa/0xfa0
[  241.878102][ T6732]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.878122][ T6732]  ? clear_bhb_loop+0x60/0xb0
[  241.878143][ T6732]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.878163][ T6732] RIP: 0033:0x7f6e1d59038a
[  241.878180][ T6732] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  241.878198][ T6732] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.878219][ T6732] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  241.878235][ T6732] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  241.878255][ T6732] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  241.878270][ T6732] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.878283][ T6732] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  241.878306][ T6732]  </TASK>
[  241.878325][ T6732] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.193337][ T6732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.462073][ T6735] loop1: detected capacity change from 0 to 32768
[  242.477272][ T6735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.484768][ T6735] CPU: 1 UID: 0 PID: 6735 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT(full) 
[  242.484795][ T6735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  242.484808][ T6735] Call Trace:
[  242.484816][ T6735]  <TASK>
[  242.484824][ T6735]  dump_stack_lvl+0x189/0x250
[  242.484855][ T6735]  ? __pfx_dump_stack_lvl+0x10/0x10
[  242.484879][ T6735]  ? __pfx__printk+0x10/0x10
[  242.484904][ T6735]  ? kernfs_root+0x1c/0x230
[  242.484926][ T6735]  ? kernfs_path_from_node+0x250/0x290
[  242.484943][ T6735]  ? kernfs_path_from_node+0x2f/0x290
[  242.484963][ T6735]  sysfs_create_dir_ns+0x259/0x280
[  242.484993][ T6735]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  242.485024][ T6735]  ? do_raw_spin_unlock+0x122/0x240
[  242.485047][ T6735]  kobject_add_internal+0x59f/0xb40
[  242.485077][ T6735]  kobject_init_and_add+0x125/0x190
[  242.485124][ T6735]  ? __pfx_kobject_init_and_add+0x10/0x10
[  242.485148][ T6735]  ? __raw_spin_lock_init+0x45/0x100
[  242.485168][ T6735]  ? __init_swait_queue_head+0xa9/0x150
[  242.485189][ T6735]  gfs2_sys_fs_add+0x234/0x450
[  242.485217][ T6735]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  242.485249][ T6735]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  242.485283][ T6735]  gfs2_fill_super+0x13c0/0x20d0
[  242.485312][ T6735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.485336][ T6735]  ? sb_set_blocksize+0x104/0x180
[  242.485372][ T6735]  ? setup_bdev_super+0x4c1/0x5b0
[  242.485396][ T6735]  get_tree_bdev_flags+0x40e/0x4d0
[  242.485419][ T6735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.485442][ T6735]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  242.485470][ T6735]  gfs2_get_tree+0x51/0x1e0
[  242.485493][ T6735]  vfs_get_tree+0x92/0x2b0
[  242.485516][ T6735]  do_new_mount+0x2a2/0xa30
[  242.485542][ T6735]  ? ns_capable+0x8a/0xf0
[  242.485569][ T6735]  ? __pfx_do_new_mount+0x10/0x10
[  242.485593][ T6735]  ? path_mount+0x61c/0xfe0
[  242.485623][ T6735]  ? user_path_at+0x44/0x60
[  242.485646][ T6735]  __se_sys_mount+0x317/0x410
[  242.485675][ T6735]  ? __pfx___se_sys_mount+0x10/0x10
[  242.485702][ T6735]  ? rcu_is_watching+0x15/0xb0
[  242.485730][ T6735]  ? __x64_sys_mount+0x20/0xc0
[  242.485757][ T6735]  do_syscall_64+0xfa/0xfa0
[  242.485781][ T6735]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.485801][ T6735]  ? clear_bhb_loop+0x60/0xb0
[  242.485823][ T6735]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.485842][ T6735] RIP: 0033:0x7f6e1d59038a
[  242.485860][ T6735] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  242.485878][ T6735] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.485901][ T6735] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  242.485916][ T6735] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  242.485930][ T6735] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  242.485944][ T6735] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  242.485958][ T6735] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  242.485981][ T6735]  </TASK>
[  242.486001][ T6735] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.800790][ T6735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.070750][ T6738] loop1: detected capacity change from 0 to 32768
[  243.099799][ T6738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.107914][ T6738] CPU: 1 UID: 0 PID: 6738 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT(full) 
[  243.107942][ T6738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  243.107955][ T6738] Call Trace:
[  243.107963][ T6738]  <TASK>
[  243.107972][ T6738]  dump_stack_lvl+0x189/0x250
[  243.108004][ T6738]  ? __pfx_dump_stack_lvl+0x10/0x10
[  243.108030][ T6738]  ? __pfx__printk+0x10/0x10
[  243.108056][ T6738]  ? kernfs_root+0x1c/0x230
[  243.108077][ T6738]  ? kernfs_path_from_node+0x250/0x290
[  243.108100][ T6738]  ? kernfs_path_from_node+0x2f/0x290
[  243.108121][ T6738]  sysfs_create_dir_ns+0x259/0x280
[  243.108152][ T6738]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.108183][ T6738]  ? do_raw_spin_unlock+0x122/0x240
[  243.108206][ T6738]  kobject_add_internal+0x59f/0xb40
[  243.108237][ T6738]  kobject_init_and_add+0x125/0x190
[  243.108266][ T6738]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.108291][ T6738]  ? __raw_spin_lock_init+0x45/0x100
[  243.108312][ T6738]  ? __init_swait_queue_head+0xa9/0x150
[  243.108334][ T6738]  gfs2_sys_fs_add+0x234/0x450
[  243.108364][ T6738]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.108414][ T6738]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.108445][ T6738]  gfs2_fill_super+0x13c0/0x20d0
[  243.108475][ T6738]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.108514][ T6738]  ? sb_set_blocksize+0x104/0x180
[  243.108542][ T6738]  ? setup_bdev_super+0x4c1/0x5b0
[  243.108568][ T6738]  get_tree_bdev_flags+0x40e/0x4d0
[  243.108592][ T6738]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.108614][ T6738]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.108644][ T6738]  gfs2_get_tree+0x51/0x1e0
[  243.108667][ T6738]  vfs_get_tree+0x92/0x2b0
[  243.108692][ T6738]  do_new_mount+0x2a2/0xa30
[  243.108719][ T6738]  ? ns_capable+0x8a/0xf0
[  243.108747][ T6738]  ? __pfx_do_new_mount+0x10/0x10
[  243.108772][ T6738]  ? path_mount+0x61c/0xfe0
[  243.108795][ T6738]  ? user_path_at+0x44/0x60
[  243.108819][ T6738]  __se_sys_mount+0x317/0x410
[  243.108854][ T6738]  ? __pfx___se_sys_mount+0x10/0x10
[  243.108882][ T6738]  ? rcu_is_watching+0x15/0xb0
[  243.108910][ T6738]  ? __x64_sys_mount+0x20/0xc0
[  243.108938][ T6738]  do_syscall_64+0xfa/0xfa0
[  243.108963][ T6738]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.108983][ T6738]  ? clear_bhb_loop+0x60/0xb0
[  243.109006][ T6738]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.109027][ T6738] RIP: 0033:0x7f6e1d59038a
[  243.109045][ T6738] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  243.109065][ T6738] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.109088][ T6738] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  243.109104][ T6738] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  243.109119][ T6738] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  243.109134][ T6738] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.109148][ T6738] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  243.109172][ T6738]  </TASK>
[  243.109198][ T6738] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.425329][ T6738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.687331][ T6741] loop1: detected capacity change from 0 to 32768
[  243.699181][ T6741] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.706666][ T6741] CPU: 1 UID: 0 PID: 6741 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT(full) 
[  243.706694][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  243.706707][ T6741] Call Trace:
[  243.706715][ T6741]  <TASK>
[  243.706724][ T6741]  dump_stack_lvl+0x189/0x250
[  243.706755][ T6741]  ? __pfx_dump_stack_lvl+0x10/0x10
[  243.706780][ T6741]  ? __pfx__printk+0x10/0x10
[  243.706807][ T6741]  ? kernfs_root+0x1c/0x230
[  243.706828][ T6741]  ? kernfs_path_from_node+0x250/0x290
[  243.706846][ T6741]  ? kernfs_path_from_node+0x2f/0x290
[  243.706866][ T6741]  sysfs_create_dir_ns+0x259/0x280
[  243.706897][ T6741]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.706928][ T6741]  ? do_raw_spin_unlock+0x122/0x240
[  243.706951][ T6741]  kobject_add_internal+0x59f/0xb40
[  243.706981][ T6741]  kobject_init_and_add+0x125/0x190
[  243.707088][ T6741]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.707116][ T6741]  ? __raw_spin_lock_init+0x45/0x100
[  243.707139][ T6741]  ? __init_swait_queue_head+0xa9/0x150
[  243.707161][ T6741]  gfs2_sys_fs_add+0x234/0x450
[  243.707192][ T6741]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.707225][ T6741]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.707254][ T6741]  gfs2_fill_super+0x13c0/0x20d0
[  243.707285][ T6741]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.707309][ T6741]  ? sb_set_blocksize+0x104/0x180
[  243.707338][ T6741]  ? setup_bdev_super+0x4c1/0x5b0
[  243.707363][ T6741]  get_tree_bdev_flags+0x40e/0x4d0
[  243.707387][ T6741]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.707409][ T6741]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.707438][ T6741]  gfs2_get_tree+0x51/0x1e0
[  243.707462][ T6741]  vfs_get_tree+0x92/0x2b0
[  243.707486][ T6741]  do_new_mount+0x2a2/0xa30
[  243.707514][ T6741]  ? ns_capable+0x8a/0xf0
[  243.707541][ T6741]  ? __pfx_do_new_mount+0x10/0x10
[  243.707566][ T6741]  ? path_mount+0x61c/0xfe0
[  243.707590][ T6741]  ? user_path_at+0x44/0x60
[  243.707612][ T6741]  __se_sys_mount+0x317/0x410
[  243.707642][ T6741]  ? __pfx___se_sys_mount+0x10/0x10
[  243.707670][ T6741]  ? rcu_is_watching+0x15/0xb0
[  243.707699][ T6741]  ? __x64_sys_mount+0x20/0xc0
[  243.707727][ T6741]  do_syscall_64+0xfa/0xfa0
[  243.707752][ T6741]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.707772][ T6741]  ? clear_bhb_loop+0x60/0xb0
[  243.707795][ T6741]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.707815][ T6741] RIP: 0033:0x7f6e1d59038a
[  243.707834][ T6741] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  243.707853][ T6741] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.707876][ T6741] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  243.707893][ T6741] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  243.707908][ T6741] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  243.707922][ T6741] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.707936][ T6741] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  243.707960][ T6741]  </TASK>
[  243.707982][ T6741] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.828398][   T31] INFO: task syz.0.17:6035 blocked for more than 143 seconds.
[  243.828833][ T6741] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.833998][   T31]       Not tainted syzkaller #0
[  244.059479][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  244.068686][   T31] task:syz.0.17        state:D stack:23824 pid:6035  tgid:6035  ppid:5974   task_flags:0x400140 flags:0x00004004
[  244.080981][   T31] Call Trace:
[  244.084289][   T31]  <TASK>
[  244.087932][   T31]  __schedule+0x1798/0x4cc0
[  244.092543][   T31]  ? __pfx___schedule+0x10/0x10
[  244.097968][   T31]  ? do_raw_spin_lock+0x121/0x290
[  244.103081][   T31]  ? schedule+0x91/0x360
[  244.108535][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.113413][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.118865][   T31]  ? lock_release+0x4b/0x3e0
[  244.123547][   T31]  schedule+0x165/0x360
[  244.128026][   T31]  io_schedule+0x80/0xd0
[  244.132293][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  244.138034][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.142839][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  244.149054][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  244.154635][   T31]  ? unwind_next_frame+0xa5/0x2390
[  244.160123][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.164931][   T31]  ? unwind_next_frame+0xa5/0x2390
[  244.170402][   T31]  writeback_iter+0x8d8/0x12a0
[  244.175205][   T31]  iomap_writepages+0x14d/0x2d0
[  244.180398][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  244.185798][   T31]  ? folio_mark_accessed+0x42c/0x8b0
[  244.191440][   T31]  gfs2_writepages+0x177/0x250
[  244.196242][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  244.202199][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  244.208634][   T31]  do_writepages+0x32e/0x550
[  244.213319][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.218424][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  244.223704][   T31]  filemap_fdatawrite+0x199/0x240
[  244.229052][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  244.234701][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.239764][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  244.245048][   T31]  gfs2_log_flush+0x966/0x24c0
[  244.250142][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  244.255468][   T31]  ? __pfx___up_read+0x10/0x10
[  244.260531][   T31]  gfs2_trans_end+0x37c/0x570
[  244.265237][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  244.270792][   T31]  ? do_page_mkwrite+0x14d/0x310
[  244.275765][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  244.281578][   T31]  ? gfs2_fault+0x19a/0x1f0
[  244.286106][   T31]  ? do_page_mkwrite+0x14d/0x310
[  244.291491][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.296298][   T31]  do_page_mkwrite+0x14d/0x310
[  244.301324][   T31]  __handle_mm_fault+0x1916/0x5400
[  244.306811][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  244.312848][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.317946][   T31]  ? lock_vma_under_rcu+0x3cb/0x450
[  244.323181][   T31]  ? __pfx_do_futex+0x10/0x10
[  244.324042][ T6744] loop1: detected capacity change from 0 to 32768
[  244.328349][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  244.342977][   T31]  handle_mm_fault+0x40a/0x8e0
[  244.348339][   T31]  do_user_addr_fault+0xa81/0x1390
[  244.353648][   T31]  ? rcu_is_watching+0x15/0xb0
[  244.358780][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  244.359698][ T6744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.364266][   T31]  exc_page_fault+0x82/0x100
[  244.372468][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT(full) 
[  244.372500][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  244.372516][ T6744] Call Trace:
[  244.372525][ T6744]  <TASK>
[  244.372535][ T6744]  dump_stack_lvl+0x189/0x250
[  244.372567][ T6744]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.372596][ T6744]  ? __pfx__printk+0x10/0x10
[  244.372626][ T6744]  ? kernfs_root+0x1c/0x230
[  244.372648][ T6744]  ? kernfs_path_from_node+0x250/0x290
[  244.372668][ T6744]  ? kernfs_path_from_node+0x2f/0x290
[  244.372691][ T6744]  sysfs_create_dir_ns+0x259/0x280
[  244.372726][ T6744]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.372761][ T6744]  ? do_raw_spin_unlock+0x122/0x240
[  244.372788][ T6744]  kobject_add_internal+0x59f/0xb40
[  244.372830][ T6744]  kobject_init_and_add+0x125/0x190
[  244.372862][ T6744]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.372901][ T6744]  ? __raw_spin_lock_init+0x45/0x100
[  244.372937][ T6744]  ? __init_swait_queue_head+0xa9/0x150
[  244.372961][ T6744]  gfs2_sys_fs_add+0x234/0x450
[  244.372996][ T6744]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.373033][ T6744]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.373065][ T6744]  gfs2_fill_super+0x13c0/0x20d0
[  244.373100][ T6744]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.373127][ T6744]  ? sb_set_blocksize+0x104/0x180
[  244.373159][ T6744]  ? setup_bdev_super+0x4c1/0x5b0
[  244.373187][ T6744]  get_tree_bdev_flags+0x40e/0x4d0
[  244.373214][ T6744]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.373240][ T6744]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.373273][ T6744]  gfs2_get_tree+0x51/0x1e0
[  244.373299][ T6744]  vfs_get_tree+0x92/0x2b0
[  244.373326][ T6744]  do_new_mount+0x2a2/0xa30
[  244.373356][ T6744]  ? ns_capable+0x8a/0xf0
[  244.373389][ T6744]  ? __pfx_do_new_mount+0x10/0x10
[  244.373416][ T6744]  ? path_mount+0x61c/0xfe0
[  244.373443][ T6744]  ? user_path_at+0x44/0x60
[  244.373468][ T6744]  __se_sys_mount+0x317/0x410
[  244.373501][ T6744]  ? __pfx___se_sys_mount+0x10/0x10
[  244.373534][ T6744]  ? rcu_is_watching+0x15/0xb0
[  244.373565][ T6744]  ? __x64_sys_mount+0x20/0xc0
[  244.373596][ T6744]  do_syscall_64+0xfa/0xfa0
[  244.373625][ T6744]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.373646][ T6744]  ? clear_bhb_loop+0x60/0xb0
[  244.373672][ T6744]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.373694][ T6744] RIP: 0033:0x7f6e1d59038a
[  244.373715][ T6744] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  244.373737][ T6744] RSP: 002b:00007ffcceacf148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.373780][ T6744] RAX: ffffffffffffffda RBX: 00007ffcceacf1d0 RCX: 00007f6e1d59038a
[  244.373798][ T6744] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcceacf190
[  244.373815][ T6744] RBP: 000020000001f680 R08: 00007ffcceacf1d0 R09: 0000000000000094
[  244.373830][ T6744] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.373846][ T6744] R13: 00007ffcceacf190 R14: 000000000001f790 R15: 00002000000001c0
[  244.373886][ T6744]  </TASK>
[  244.373908][ T6744] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.380412][   T31]  asm_exc_page_fault+0x26/0x30
[  244.412340][ T6744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.417396][   T31] RIP: 0033:0x7fb9740550b3
[  244.707264][   T31] RSP: 002b:00007ffd1f61f270 EFLAGS: 00010246
[  244.713500][   T31] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[  244.722168][   T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055556695f3c8
[  244.730216][   T31] RBP: 00007ffd1f61f378 R08: 0000000000000000 R09: 0000000000000000
[  244.738251][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007fb9743b5fac
[  244.746255][   T31] R13: 00007fb9743b5fa0 R14: fffffffffffffffe R15: 0000000000000006
[  244.754316][   T31]  </TASK>
[  244.757766][   T31] INFO: lockdep is turned off.
[  244.762559][   T31] NMI backtrace for cpu 1
[  244.762575][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  244.762596][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  244.762610][   T31] Call Trace:
[  244.762617][   T31]  <TASK>
[  244.762625][   T31]  dump_stack_lvl+0x189/0x250
[  244.762656][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.762679][   T31]  ? __pfx__printk+0x10/0x10
[  244.762711][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  244.762742][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  244.762772][   T31]  ? __pfx__printk+0x10/0x10
[  244.762801][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  244.762829][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  244.762860][   T31]  watchdog+0xf60/0xfa0
[  244.762885][   T31]  ? watchdog+0x1e2/0xfa0
[  244.762916][   T31]  kthread+0x711/0x8a0
[  244.762937][   T31]  ? __pfx_watchdog+0x10/0x10
[  244.762960][   T31]  ? __pfx_kthread+0x10/0x10
[  244.762980][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  244.763001][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  244.763022][   T31]  ? __pfx_kthread+0x10/0x10
[  244.763042][   T31]  ret_from_fork+0x47c/0x820
[  244.763071][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  244.763101][   T31]  ? __switch_to_asm+0x39/0x70
[  244.763125][   T31]  ? __switch_to_asm+0x33/0x70
[  244.763151][   T31]  ? __pfx_kthread+0x10/0x10
[  244.763170][   T31]  ret_from_fork_asm+0x1a/0x30
[  244.763223][   T31]  </TASK>
[  244.763230][   T31] Sending NMI from CPU 1 to CPUs 0:
[  244.909068][    C0] NMI backtrace for cpu 0
[  244.909085][    C0] CPU: 0 UID: 0 PID: 6747 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT(full) 
[  244.909104][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  244.909115][    C0] RIP: 0010:folio_add_lru+0x18a/0x3d0
[  244.909151][    C0] Code: ff 49 81 e7 00 00 04 00 0f 85 c7 00 00 00 65 4c 8b 3c 25 08 10 c2 92 4d 8d a7 90 05 00 00 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 52 01 00 00 45 8b 24 24 44 89 e6 83 e6 40 31 ff e8 9d
[  244.909165][    C0] RSP: 0018:ffffc9000ab37848 EFLAGS: 00000a06
[  244.909180][    C0] RAX: 0000000000000000 RBX: ffffea00016fd240 RCX: ffff888026111e00
[  244.909193][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  244.909203][    C0] RBP: 1ffffd40002dfa49 R08: ffffea00016fd247 R09: 1ffffd40002dfa48
[  244.909215][    C0] R10: dffffc0000000000 R11: fffff940002dfa49 R12: ffff888026112390
[  244.909227][    C0] R13: dffffc0000000000 R14: ffffea00016fd248 R15: ffff888026111e00
[  244.909240][    C0] FS:  0000555572a2e500(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000
[  244.909254][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  244.909265][    C0] CR2: 00007f6e155ff000 CR3: 00000000311aa000 CR4: 00000000003526f0
[  244.909279][    C0] Call Trace:
[  244.909286][    C0]  <TASK>
[  244.909294][    C0]  shmem_alloc_and_add_folio+0xcb3/0xf60
[  244.909317][    C0]  ? filemap_get_entry+0xad/0x2f0
[  244.909340][    C0]  ? filemap_get_entry+0xad/0x2f0
[  244.909363][    C0]  ? shmem_huge_global_enabled+0x174/0x3a0
[  244.909380][    C0]  ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[  244.909401][    C0]  ? shmem_allowable_huge_orders+0x1d7/0x4f0
[  244.909420][    C0]  shmem_get_folio_gfp+0x59d/0x1660
[  244.909444][    C0]  shmem_write_begin+0xf7/0x2b0
[  244.909465][    C0]  generic_perform_write+0x2c2/0x900
[  244.909485][    C0]  ? __pfx_generic_perform_write+0x10/0x10
[  244.909500][    C0]  ? preempt_count_add+0x91/0x1a0
[  244.909521][    C0]  ? mnt_put_write_access_file+0xb9/0x100
[  244.909537][    C0]  ? file_update_time+0x416/0x490
[  244.909562][    C0]  shmem_file_write_iter+0xf8/0x120
[  244.909583][    C0]  vfs_write+0x5c9/0xb30
[  244.909601][    C0]  ? __pfx_shmem_file_write_iter+0x10/0x10
[  244.909621][    C0]  ? __pfx_vfs_write+0x10/0x10
[  244.909637][    C0]  ? rcu_is_watching+0x15/0xb0
[  244.909661][    C0]  ? count_memcg_events+0x10b/0x270
[  244.909689][    C0]  ksys_write+0x145/0x250
[  244.909707][    C0]  ? __pfx_ksys_write+0x10/0x10
[  244.909725][    C0]  ? rcu_is_watching+0x15/0xb0
[  244.909748][    C0]  do_syscall_64+0xfa/0xfa0
[  244.909768][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.909783][    C0]  ? clear_bhb_loop+0x60/0xb0
[  244.909801][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.909816][    C0] RIP: 0033:0x7f6e1d58d69f
[  244.909829][    C0] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  244.909859][    C0] RSP: 002b:00007ffcceacf0d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  244.909875][    C0] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f6e1d58d69f
[  244.909888][    C0] RDX: 0000000001000000 RSI: 00007f6e14600000 RDI: 0000000000000003
[  244.909900][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[  244.909910][    C0] R10: 000020000005e5c2 R11: 0000000000000293 R12: 0000000000000003
[  244.909922][    C0] R13: 00007ffcceacf1d0 R14: 00007ffcceacf190 R15: 00007f6e14600000
[  244.909941][    C0]  </TASK>
[  244.910114][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  245.251928][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  245.261045][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  245.271141][   T31] Call Trace:
[  245.274428][   T31]  <TASK>
[  245.277362][   T31]  dump_stack_lvl+0x99/0x250
[  245.281960][   T31]  ? __asan_memcpy+0x40/0x70
[  245.286554][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  245.291756][   T31]  ? __pfx__printk+0x10/0x10
[  245.296382][   T31]  vpanic+0x281/0x750
[  245.300375][   T31]  ? __pfx_vpanic+0x10/0x10
[  245.304886][   T31]  ? rcu_is_watching+0x15/0xb0
[  245.309678][   T31]  ? preempt_schedule+0xae/0xc0
[  245.314537][   T31]  ? preempt_schedule_common+0x83/0xd0
[  245.320001][   T31]  panic+0xb9/0xc0
[  245.323737][   T31]  ? __pfx_panic+0x10/0x10
[  245.328183][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  245.333562][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  245.339737][   T31]  watchdog+0xf9f/0xfa0
[  245.343908][   T31]  ? watchdog+0x1e2/0xfa0
[  245.348251][   T31]  kthread+0x711/0x8a0
[  245.352330][   T31]  ? __pfx_watchdog+0x10/0x10
[  245.357021][   T31]  ? __pfx_kthread+0x10/0x10
[  245.361633][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  245.366935][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  245.372143][   T31]  ? __pfx_kthread+0x10/0x10
[  245.376741][   T31]  ret_from_fork+0x47c/0x820
[  245.381346][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  245.386497][   T31]  ? __switch_to_asm+0x39/0x70
[  245.391295][   T31]  ? __switch_to_asm+0x33/0x70
[  245.396083][   T31]  ? __pfx_kthread+0x10/0x10
[  245.400680][   T31]  ret_from_fork_asm+0x1a/0x30
[  245.405457][   T31]  </TASK>
[  245.408825][   T31] Kernel Offset: disabled
[  245.413153][   T31] Rebooting in 86400 seconds..