12799][ T8513]  ? path_mount+0x61c/0xfe0
[  359.712826][ T8513]  ? user_path_at+0x44/0x60
[  359.712852][ T8513]  __se_sys_mount+0x317/0x410
[  359.712883][ T8513]  ? __pfx___se_sys_mount+0x10/0x10
[  359.712915][ T8513]  ? rcu_is_watching+0x15/0xb0
[  359.712934][ T8513]  ? __x64_sys_mount+0x20/0xc0
[  359.712964][ T8513]  do_syscall_64+0xfa/0x3b0
[  359.712984][ T8513]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  359.713005][ T8513]  ? clear_bhb_loop+0x60/0xb0
[  359.713027][ T8513]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  359.713045][ T8513] RIP: 0033:0x7f81f0b9038a
[  359.713062][ T8513] 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
[  359.713081][ T8513] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  359.713101][ T8513] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  359.713116][ T8513] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  359.713131][ T8513] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  359.713145][ T8513] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  359.713159][ T8513] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  359.713181][ T8513]  </TASK>
[  359.713200][ T8513] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.136349][ T8513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  360.306802][ T8526] loop2: detected capacity change from 0 to 32768
[  360.326741][ T8526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  360.343988][ T8526] CPU: 1 UID: 0 PID: 8526 Comm: syz.2.579 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  360.344017][ T8526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  360.344032][ T8526] Call Trace:
[  360.344040][ T8526]  <TASK>
[  360.344050][ T8526]  dump_stack_lvl+0x189/0x250
[  360.344082][ T8526]  ? __pfx_dump_stack_lvl+0x10/0x10
[  360.344107][ T8526]  ? __pfx__printk+0x10/0x10
[  360.344134][ T8526]  ? kernfs_root+0x1c/0x230
[  360.344160][ T8526]  ? kernfs_path_from_node+0x250/0x290
[  360.344182][ T8526]  ? kernfs_path_from_node+0x2f/0x290
[  360.344208][ T8526]  sysfs_create_dir_ns+0x259/0x280
[  360.344231][ T8526]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  360.344254][ T8526]  ? do_raw_spin_unlock+0x122/0x240
[  360.344282][ T8526]  kobject_add_internal+0x59f/0xb40
[  360.344309][ T8526]  kobject_init_and_add+0x125/0x190
[  360.344335][ T8526]  ? __pfx_kobject_init_and_add+0x10/0x10
[  360.344358][ T8526]  ? __raw_spin_lock_init+0x45/0x100
[  360.344383][ T8526]  ? __init_swait_queue_head+0xa9/0x150
[  360.344410][ T8526]  gfs2_sys_fs_add+0x234/0x450
[  360.344433][ T8526]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  360.344457][ T8526]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  360.344490][ T8526]  gfs2_fill_super+0x13c0/0x20d0
[  360.344526][ T8526]  ? __pfx_gfs2_fill_super+0x10/0x10
[  360.344555][ T8526]  ? sb_set_blocksize+0x104/0x180
[  360.344589][ T8526]  ? setup_bdev_super+0x4c1/0x5b0
[  360.344619][ T8526]  get_tree_bdev_flags+0x40b/0x4d0
[  360.344659][ T8526]  ? __pfx_gfs2_fill_super+0x10/0x10
[  360.344708][ T8526]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  360.344748][ T8526]  gfs2_get_tree+0x51/0x1e0
[  360.344772][ T8526]  vfs_get_tree+0x8f/0x2b0
[  360.344796][ T8526]  do_new_mount+0x2a2/0xa30
[  360.344823][ T8526]  ? ns_capable+0x8a/0xf0
[  360.344840][ T8526]  ? __pfx_do_new_mount+0x10/0x10
[  360.344865][ T8526]  ? path_mount+0x61c/0xfe0
[  360.344888][ T8526]  ? user_path_at+0x44/0x60
[  360.344912][ T8526]  __se_sys_mount+0x317/0x410
[  360.344940][ T8526]  ? __pfx___se_sys_mount+0x10/0x10
[  360.344968][ T8526]  ? rcu_is_watching+0x15/0xb0
[  360.344984][ T8526]  ? __x64_sys_mount+0x20/0xc0
[  360.345011][ T8526]  do_syscall_64+0xfa/0x3b0
[  360.345030][ T8526]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  360.345048][ T8526]  ? clear_bhb_loop+0x60/0xb0
[  360.345067][ T8526]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  360.345084][ T8526] RIP: 0033:0x7f9e06d9038a
[  360.345099][ T8526] 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
[  360.345115][ T8526] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  360.345133][ T8526] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  360.345146][ T8526] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  360.345160][ T8526] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  360.345172][ T8526] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  360.345184][ T8526] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  360.345203][ T8526]  </TASK>
[  360.770274][ T8526] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.849746][ T8526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  360.853439][ T8534] loop1: detected capacity change from 0 to 32768
[  360.905322][ T8534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  360.912720][ T8534] CPU: 1 UID: 0 PID: 8534 Comm: syz.1.581 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  360.912744][ T8534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  360.912756][ T8534] Call Trace:
[  360.912764][ T8534]  <TASK>
[  360.912772][ T8534]  dump_stack_lvl+0x189/0x250
[  360.912799][ T8534]  ? __pfx_dump_stack_lvl+0x10/0x10
[  360.912820][ T8534]  ? __pfx__printk+0x10/0x10
[  360.912843][ T8534]  ? kernfs_root+0x1c/0x230
[  360.912864][ T8534]  ? kernfs_path_from_node+0x250/0x290
[  360.912882][ T8534]  ? kernfs_path_from_node+0x2f/0x290
[  360.912903][ T8534]  sysfs_create_dir_ns+0x259/0x280
[  360.912923][ T8534]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  360.912943][ T8534]  ? do_raw_spin_unlock+0x122/0x240
[  360.912967][ T8534]  kobject_add_internal+0x59f/0xb40
[  360.912991][ T8534]  kobject_init_and_add+0x125/0x190
[  360.913012][ T8534]  ? __pfx_kobject_init_and_add+0x10/0x10
[  360.913031][ T8534]  ? __raw_spin_lock_init+0x45/0x100
[  360.913053][ T8534]  ? __init_swait_queue_head+0xa9/0x150
[  360.913075][ T8534]  gfs2_sys_fs_add+0x234/0x450
[  360.913093][ T8534]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  360.913114][ T8534]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  360.913143][ T8534]  gfs2_fill_super+0x13c0/0x20d0
[  360.913172][ T8534]  ? __pfx_gfs2_fill_super+0x10/0x10
[  360.913197][ T8534]  ? sb_set_blocksize+0x104/0x180
[  360.913223][ T8534]  ? setup_bdev_super+0x4c1/0x5b0
[  360.913248][ T8534]  get_tree_bdev_flags+0x40b/0x4d0
[  360.913272][ T8534]  ? __pfx_gfs2_fill_super+0x10/0x10
[  360.913294][ T8534]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  360.913322][ T8534]  gfs2_get_tree+0x51/0x1e0
[  360.913345][ T8534]  vfs_get_tree+0x8f/0x2b0
[  360.913369][ T8534]  do_new_mount+0x2a2/0xa30
[  360.913397][ T8534]  ? ns_capable+0x8a/0xf0
[  360.913413][ T8534]  ? __pfx_do_new_mount+0x10/0x10
[  360.913438][ T8534]  ? path_mount+0x61c/0xfe0
[  360.913460][ T8534]  ? user_path_at+0x44/0x60
[  360.913484][ T8534]  __se_sys_mount+0x317/0x410
[  360.913531][ T8534]  ? __pfx___se_sys_mount+0x10/0x10
[  360.913565][ T8534]  ? rcu_is_watching+0x15/0xb0
[  360.913585][ T8534]  ? __x64_sys_mount+0x20/0xc0
[  360.913699][ T8534]  do_syscall_64+0xfa/0x3b0
[  360.913729][ T8534]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  360.913752][ T8534]  ? clear_bhb_loop+0x60/0xb0
[  360.913775][ T8534]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  360.913795][ T8534] RIP: 0033:0x7f639659038a
[  360.913813][ T8534] 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
[  360.913832][ T8534] RSP: 002b:00007f63973d9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  360.913854][ T8534] RAX: ffffffffffffffda RBX: 00007f63973d9ef0 RCX: 00007f639659038a
[  360.913870][ T8534] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f63973d9eb0
[  360.913884][ T8534] RBP: 000020000001f680 R08: 00007f63973d9ef0 R09: 0000000000000084
[  360.913898][ T8534] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  360.913912][ T8534] R13: 00007f63973d9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  360.913935][ T8534]  </TASK>
[  360.913957][ T8534] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  361.262218][ T8534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  361.320656][ T8531] loop3: detected capacity change from 0 to 32768
[  361.356982][ T8531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  361.374881][ T8531] CPU: 1 UID: 0 PID: 8531 Comm: syz.3.580 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  361.374905][ T8531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  361.374917][ T8531] Call Trace:
[  361.374924][ T8531]  <TASK>
[  361.374932][ T8531]  dump_stack_lvl+0x189/0x250
[  361.374958][ T8531]  ? __pfx_dump_stack_lvl+0x10/0x10
[  361.374979][ T8531]  ? __pfx__printk+0x10/0x10
[  361.375002][ T8531]  ? kernfs_root+0x1c/0x230
[  361.375023][ T8531]  ? kernfs_path_from_node+0x250/0x290
[  361.375042][ T8531]  ? kernfs_path_from_node+0x2f/0x290
[  361.375063][ T8531]  sysfs_create_dir_ns+0x259/0x280
[  361.375082][ T8531]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  361.375102][ T8531]  ? do_raw_spin_unlock+0x122/0x240
[  361.375126][ T8531]  kobject_add_internal+0x59f/0xb40
[  361.375150][ T8531]  kobject_init_and_add+0x125/0x190
[  361.375171][ T8531]  ? __pfx_kobject_init_and_add+0x10/0x10
[  361.375191][ T8531]  ? __raw_spin_lock_init+0x45/0x100
[  361.375212][ T8531]  ? __init_swait_queue_head+0xa9/0x150
[  361.375235][ T8531]  gfs2_sys_fs_add+0x234/0x450
[  361.375253][ T8531]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  361.375273][ T8531]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  361.375302][ T8531]  gfs2_fill_super+0x13c0/0x20d0
[  361.375332][ T8531]  ? __pfx_gfs2_fill_super+0x10/0x10
[  361.375356][ T8531]  ? sb_set_blocksize+0x104/0x180
[  361.375388][ T8531]  ? setup_bdev_super+0x4c1/0x5b0
[  361.375413][ T8531]  get_tree_bdev_flags+0x40b/0x4d0
[  361.375437][ T8531]  ? __pfx_gfs2_fill_super+0x10/0x10
[  361.375464][ T8531]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  361.375491][ T8531]  gfs2_get_tree+0x51/0x1e0
[  361.375514][ T8531]  vfs_get_tree+0x8f/0x2b0
[  361.375539][ T8531]  do_new_mount+0x2a2/0xa30
[  361.375566][ T8531]  ? ns_capable+0x8a/0xf0
[  361.375582][ T8531]  ? __pfx_do_new_mount+0x10/0x10
[  361.375606][ T8531]  ? path_mount+0x61c/0xfe0
[  361.375630][ T8531]  ? user_path_at+0x44/0x60
[  361.375653][ T8531]  __se_sys_mount+0x317/0x410
[  361.375680][ T8531]  ? __pfx___se_sys_mount+0x10/0x10
[  361.375708][ T8531]  ? rcu_is_watching+0x15/0xb0
[  361.375724][ T8531]  ? __x64_sys_mount+0x20/0xc0
[  361.375750][ T8531]  do_syscall_64+0xfa/0x3b0
[  361.375767][ T8531]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  361.375784][ T8531]  ? clear_bhb_loop+0x60/0xb0
[  361.375803][ T8531]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  361.375818][ T8531] RIP: 0033:0x7f788e79038a
[  361.375833][ T8531] 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
[  361.375847][ T8531] RSP: 002b:00007f788f5dce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  361.375865][ T8531] RAX: ffffffffffffffda RBX: 00007f788f5dcef0 RCX: 00007f788e79038a
[  361.375877][ T8531] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f788f5dceb0
[  361.375889][ T8531] RBP: 000020000001f680 R08: 00007f788f5dcef0 R09: 0000000000000084
[  361.375901][ T8531] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  361.375912][ T8531] R13: 00007f788f5dceb0 R14: 000000000001f790 R15: 00002000000001c0
[  361.375931][ T8531]  </TASK>
[  361.376150][ T8531] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  361.709476][ T8531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  361.991006][ T8540] loop0: detected capacity change from 0 to 32768
[  362.016715][ T8540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  362.050299][ T8540] CPU: 0 UID: 0 PID: 8540 Comm: syz.0.582 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  362.050338][ T8540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  362.050349][ T8540] Call Trace:
[  362.050356][ T8540]  <TASK>
[  362.050364][ T8540]  dump_stack_lvl+0x189/0x250
[  362.050391][ T8540]  ? __pfx_dump_stack_lvl+0x10/0x10
[  362.050412][ T8540]  ? __pfx__printk+0x10/0x10
[  362.050436][ T8540]  ? kernfs_root+0x1c/0x230
[  362.050458][ T8540]  ? kernfs_path_from_node+0x250/0x290
[  362.050477][ T8540]  ? kernfs_path_from_node+0x2f/0x290
[  362.050498][ T8540]  sysfs_create_dir_ns+0x259/0x280
[  362.050517][ T8540]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  362.050536][ T8540]  ? do_raw_spin_unlock+0x122/0x240
[  362.050560][ T8540]  kobject_add_internal+0x59f/0xb40
[  362.050584][ T8540]  kobject_init_and_add+0x125/0x190
[  362.050605][ T8540]  ? __pfx_kobject_init_and_add+0x10/0x10
[  362.050625][ T8540]  ? __raw_spin_lock_init+0x45/0x100
[  362.050647][ T8540]  ? __init_swait_queue_head+0xa9/0x150
[  362.050668][ T8540]  gfs2_sys_fs_add+0x234/0x450
[  362.050688][ T8540]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  362.050708][ T8540]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  362.050755][ T8540]  gfs2_fill_super+0x13c0/0x20d0
[  362.050805][ T8540]  ? __pfx_gfs2_fill_super+0x10/0x10
[  362.050833][ T8540]  ? sb_set_blocksize+0x104/0x180
[  362.050880][ T8540]  ? setup_bdev_super+0x4c1/0x5b0
[  362.050910][ T8540]  get_tree_bdev_flags+0x40b/0x4d0
[  362.050938][ T8540]  ? __pfx_gfs2_fill_super+0x10/0x10
[  362.050964][ T8540]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  362.050997][ T8540]  gfs2_get_tree+0x51/0x1e0
[  362.051024][ T8540]  vfs_get_tree+0x8f/0x2b0
[  362.051053][ T8540]  do_new_mount+0x2a2/0xa30
[  362.051084][ T8540]  ? ns_capable+0x8a/0xf0
[  362.051103][ T8540]  ? __pfx_do_new_mount+0x10/0x10
[  362.051132][ T8540]  ? path_mount+0x61c/0xfe0
[  362.051159][ T8540]  ? user_path_at+0x44/0x60
[  362.051187][ T8540]  __se_sys_mount+0x317/0x410
[  362.051220][ T8540]  ? __pfx___se_sys_mount+0x10/0x10
[  362.051253][ T8540]  ? rcu_is_watching+0x15/0xb0
[  362.051274][ T8540]  ? __x64_sys_mount+0x20/0xc0
[  362.051313][ T8540]  do_syscall_64+0xfa/0x3b0
[  362.051334][ T8540]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  362.051355][ T8540]  ? clear_bhb_loop+0x60/0xb0
[  362.051377][ T8540]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  362.051397][ T8540] RIP: 0033:0x7f6e6c79038a
[  362.051415][ T8540] 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
[  362.051432][ T8540] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  362.051453][ T8540] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  362.051468][ T8540] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  362.051482][ T8540] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  362.051496][ T8540] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  362.051510][ T8540] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  362.051532][ T8540]  </TASK>
[  362.053999][ T8540] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  362.393680][ T8540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  362.431900][ T8542] loop5: detected capacity change from 0 to 32768
[  362.457853][ T8542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  362.486516][ T8542] CPU: 0 UID: 0 PID: 8542 Comm: syz.5.583 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  362.486542][ T8542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  362.486554][ T8542] Call Trace:
[  362.486561][ T8542]  <TASK>
[  362.486569][ T8542]  dump_stack_lvl+0x189/0x250
[  362.486596][ T8542]  ? __pfx_dump_stack_lvl+0x10/0x10
[  362.486617][ T8542]  ? __pfx__printk+0x10/0x10
[  362.486641][ T8542]  ? kernfs_root+0x1c/0x230
[  362.486662][ T8542]  ? kernfs_path_from_node+0x250/0x290
[  362.486681][ T8542]  ? kernfs_path_from_node+0x2f/0x290
[  362.486702][ T8542]  sysfs_create_dir_ns+0x259/0x280
[  362.486722][ T8542]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  362.486741][ T8542]  ? do_raw_spin_unlock+0x122/0x240
[  362.486765][ T8542]  kobject_add_internal+0x59f/0xb40
[  362.486790][ T8542]  kobject_init_and_add+0x125/0x190
[  362.486811][ T8542]  ? __pfx_kobject_init_and_add+0x10/0x10
[  362.486831][ T8542]  ? __raw_spin_lock_init+0x45/0x100
[  362.486853][ T8542]  ? __init_swait_queue_head+0xa9/0x150
[  362.486876][ T8542]  gfs2_sys_fs_add+0x234/0x450
[  362.486895][ T8542]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  362.486915][ T8542]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  362.486945][ T8542]  gfs2_fill_super+0x13c0/0x20d0
[  362.486974][ T8542]  ? __pfx_gfs2_fill_super+0x10/0x10
[  362.487017][ T8542]  ? sb_set_blocksize+0x104/0x180
[  362.487044][ T8542]  ? setup_bdev_super+0x4c1/0x5b0
[  362.487072][ T8542]  get_tree_bdev_flags+0x40b/0x4d0
[  362.487097][ T8542]  ? __pfx_gfs2_fill_super+0x10/0x10
[  362.487121][ T8542]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  362.487151][ T8542]  gfs2_get_tree+0x51/0x1e0
[  362.487176][ T8542]  vfs_get_tree+0x8f/0x2b0
[  362.487202][ T8542]  do_new_mount+0x2a2/0xa30
[  362.487241][ T8542]  ? ns_capable+0x8a/0xf0
[  362.487264][ T8542]  ? __pfx_do_new_mount+0x10/0x10
[  362.487289][ T8542]  ? path_mount+0x61c/0xfe0
[  362.487314][ T8542]  ? user_path_at+0x44/0x60
[  362.487336][ T8542]  __se_sys_mount+0x317/0x410
[  362.487365][ T8542]  ? __pfx___se_sys_mount+0x10/0x10
[  362.487393][ T8542]  ? rcu_is_watching+0x15/0xb0
[  362.487410][ T8542]  ? __x64_sys_mount+0x20/0xc0
[  362.487437][ T8542]  do_syscall_64+0xfa/0x3b0
[  362.487455][ T8542]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  362.487473][ T8542]  ? clear_bhb_loop+0x60/0xb0
[  362.487493][ T8542]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  362.487510][ T8542] RIP: 0033:0x7f81f0b9038a
[  362.487525][ T8542] 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
[  362.487541][ T8542] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  362.487559][ T8542] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  362.487571][ T8542] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  362.487584][ T8542] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  362.487596][ T8542] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  362.487607][ T8542] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  362.487625][ T8542]  </TASK>
[  362.487648][ T8542] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  362.558910][ T8544] loop2: detected capacity change from 0 to 32768
[  362.811656][ T8542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  362.841692][ T8544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  362.877156][ T8544] CPU: 0 UID: 0 PID: 8544 Comm: syz.2.584 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  362.877181][ T8544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  362.877193][ T8544] Call Trace:
[  362.877200][ T8544]  <TASK>
[  362.877207][ T8544]  dump_stack_lvl+0x189/0x250
[  362.877236][ T8544]  ? __pfx_dump_stack_lvl+0x10/0x10
[  362.877256][ T8544]  ? __pfx__printk+0x10/0x10
[  362.877279][ T8544]  ? kernfs_root+0x1c/0x230
[  362.877301][ T8544]  ? kernfs_path_from_node+0x250/0x290
[  362.877320][ T8544]  ? kernfs_path_from_node+0x2f/0x290
[  362.877341][ T8544]  sysfs_create_dir_ns+0x259/0x280
[  362.877361][ T8544]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  362.877380][ T8544]  ? do_raw_spin_unlock+0x122/0x240
[  362.877404][ T8544]  kobject_add_internal+0x59f/0xb40
[  362.877428][ T8544]  kobject_init_and_add+0x125/0x190
[  362.877450][ T8544]  ? __pfx_kobject_init_and_add+0x10/0x10
[  362.877476][ T8544]  ? __raw_spin_lock_init+0x45/0x100
[  362.877498][ T8544]  ? __init_swait_queue_head+0xa9/0x150
[  362.877521][ T8544]  gfs2_sys_fs_add+0x234/0x450
[  362.877539][ T8544]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  362.877560][ T8544]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  362.877589][ T8544]  gfs2_fill_super+0x13c0/0x20d0
[  362.877619][ T8544]  ? __pfx_gfs2_fill_super+0x10/0x10
[  362.877644][ T8544]  ? sb_set_blocksize+0x104/0x180
[  362.877669][ T8544]  ? setup_bdev_super+0x4c1/0x5b0
[  362.877697][ T8544]  get_tree_bdev_flags+0x40b/0x4d0
[  362.877721][ T8544]  ? __pfx_gfs2_fill_super+0x10/0x10
[  362.877743][ T8544]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  362.877772][ T8544]  gfs2_get_tree+0x51/0x1e0
[  362.877795][ T8544]  vfs_get_tree+0x8f/0x2b0
[  362.877820][ T8544]  do_new_mount+0x2a2/0xa30
[  362.877847][ T8544]  ? ns_capable+0x8a/0xf0
[  362.877864][ T8544]  ? __pfx_do_new_mount+0x10/0x10
[  362.877889][ T8544]  ? path_mount+0x61c/0xfe0
[  362.877913][ T8544]  ? user_path_at+0x44/0x60
[  362.877936][ T8544]  __se_sys_mount+0x317/0x410
[  362.877964][ T8544]  ? __pfx___se_sys_mount+0x10/0x10
[  362.877992][ T8544]  ? rcu_is_watching+0x15/0xb0
[  362.878010][ T8544]  ? __x64_sys_mount+0x20/0xc0
[  362.878036][ T8544]  do_syscall_64+0xfa/0x3b0
[  362.878056][ T8544]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  362.878073][ T8544]  ? clear_bhb_loop+0x60/0xb0
[  362.878092][ T8544]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  362.878109][ T8544] RIP: 0033:0x7f9e06d9038a
[  362.878125][ T8544] 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
[  362.878140][ T8544] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
2025/08/16 00:24:21 executed programs: 580
[  362.878159][ T8544] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  362.878172][ T8544] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  362.878184][ T8544] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  362.878196][ T8544] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  362.878208][ T8544] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  362.878228][ T8544]  </TASK>
[  362.878245][ T8544] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  363.087352][ T8548] loop1: detected capacity change from 0 to 32768
[  363.115609][ T8544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  363.241912][ T8548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  363.249537][ T8548] CPU: 0 UID: 0 PID: 8548 Comm: syz.1.585 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  363.249562][ T8548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  363.249578][ T8548] Call Trace:
[  363.249585][ T8548]  <TASK>
[  363.249593][ T8548]  dump_stack_lvl+0x189/0x250
[  363.249622][ T8548]  ? __pfx_dump_stack_lvl+0x10/0x10
[  363.249645][ T8548]  ? __pfx__printk+0x10/0x10
[  363.249669][ T8548]  ? kernfs_root+0x1c/0x230
[  363.249692][ T8548]  ? kernfs_path_from_node+0x250/0x290
[  363.249712][ T8548]  ? kernfs_path_from_node+0x2f/0x290
[  363.249735][ T8548]  sysfs_create_dir_ns+0x259/0x280
[  363.249756][ T8548]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  363.249776][ T8548]  ? do_raw_spin_unlock+0x122/0x240
[  363.249801][ T8548]  kobject_add_internal+0x59f/0xb40
[  363.249827][ T8548]  kobject_init_and_add+0x125/0x190
[  363.249849][ T8548]  ? __pfx_kobject_init_and_add+0x10/0x10
[  363.249870][ T8548]  ? __raw_spin_lock_init+0x45/0x100
[  363.249893][ T8548]  ? __init_swait_queue_head+0xa9/0x150
[  363.249916][ T8548]  gfs2_sys_fs_add+0x234/0x450
[  363.249936][ T8548]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  363.249958][ T8548]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  363.249988][ T8548]  gfs2_fill_super+0x13c0/0x20d0
[  363.250019][ T8548]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.250045][ T8548]  ? sb_set_blocksize+0x104/0x180
[  363.250072][ T8548]  ? setup_bdev_super+0x4c1/0x5b0
[  363.250100][ T8548]  get_tree_bdev_flags+0x40b/0x4d0
[  363.250125][ T8548]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.250149][ T8548]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  363.250179][ T8548]  gfs2_get_tree+0x51/0x1e0
[  363.250203][ T8548]  vfs_get_tree+0x8f/0x2b0
[  363.250228][ T8548]  do_new_mount+0x2a2/0xa30
[  363.250257][ T8548]  ? ns_capable+0x8a/0xf0
[  363.250275][ T8548]  ? __pfx_do_new_mount+0x10/0x10
[  363.250301][ T8548]  ? path_mount+0x61c/0xfe0
[  363.250325][ T8548]  ? user_path_at+0x44/0x60
[  363.250350][ T8548]  __se_sys_mount+0x317/0x410
[  363.250381][ T8548]  ? __pfx___se_sys_mount+0x10/0x10
[  363.250410][ T8548]  ? rcu_is_watching+0x15/0xb0
[  363.250436][ T8548]  ? __x64_sys_mount+0x20/0xc0
[  363.250474][ T8548]  do_syscall_64+0xfa/0x3b0
[  363.250493][ T8548]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.250511][ T8548]  ? clear_bhb_loop+0x60/0xb0
[  363.250531][ T8548]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.250553][ T8548] RIP: 0033:0x7f639659038a
[  363.250570][ T8548] 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
[  363.250585][ T8548] RSP: 002b:00007f63973d9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  363.250605][ T8548] RAX: ffffffffffffffda RBX: 00007f63973d9ef0 RCX: 00007f639659038a
[  363.250618][ T8548] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f63973d9eb0
[  363.250631][ T8548] RBP: 000020000001f680 R08: 00007f63973d9ef0 R09: 0000000000000084
[  363.250643][ T8548] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  363.250656][ T8548] R13: 00007f63973d9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  363.250675][ T8548]  </TASK>
[  363.250696][ T8548] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  363.810235][ T8552] loop3: detected capacity change from 0 to 32768
[  363.834830][ T8548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  363.843891][ T8552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  363.885482][ T8552] CPU: 0 UID: 0 PID: 8552 Comm: syz.3.586 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  363.885507][ T8552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  363.885520][ T8552] Call Trace:
[  363.885527][ T8552]  <TASK>
[  363.885535][ T8552]  dump_stack_lvl+0x189/0x250
[  363.885562][ T8552]  ? __pfx_dump_stack_lvl+0x10/0x10
[  363.885582][ T8552]  ? __pfx__printk+0x10/0x10
[  363.885604][ T8552]  ? kernfs_root+0x1c/0x230
[  363.885624][ T8552]  ? kernfs_path_from_node+0x250/0x290
[  363.885643][ T8552]  ? kernfs_path_from_node+0x2f/0x290
[  363.885663][ T8552]  sysfs_create_dir_ns+0x259/0x280
[  363.885681][ T8552]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  363.885699][ T8552]  ? do_raw_spin_unlock+0x122/0x240
[  363.885722][ T8552]  kobject_add_internal+0x59f/0xb40
[  363.885745][ T8552]  kobject_init_and_add+0x125/0x190
[  363.885764][ T8552]  ? __pfx_kobject_init_and_add+0x10/0x10
[  363.885783][ T8552]  ? __raw_spin_lock_init+0x45/0x100
[  363.885804][ T8552]  ? __init_swait_queue_head+0xa9/0x150
[  363.885825][ T8552]  gfs2_sys_fs_add+0x234/0x450
[  363.885843][ T8552]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  363.885862][ T8552]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  363.885889][ T8552]  gfs2_fill_super+0x13c0/0x20d0
[  363.885917][ T8552]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.885939][ T8552]  ? sb_set_blocksize+0x104/0x180
[  363.885964][ T8552]  ? setup_bdev_super+0x4c1/0x5b0
[  363.885988][ T8552]  get_tree_bdev_flags+0x40b/0x4d0
[  363.886010][ T8552]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.886031][ T8552]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  363.886058][ T8552]  gfs2_get_tree+0x51/0x1e0
[  363.886079][ T8552]  vfs_get_tree+0x8f/0x2b0
[  363.886102][ T8552]  do_new_mount+0x2a2/0xa30
[  363.886127][ T8552]  ? ns_capable+0x8a/0xf0
[  363.886143][ T8552]  ? __pfx_do_new_mount+0x10/0x10
[  363.886167][ T8552]  ? path_mount+0x61c/0xfe0
[  363.886189][ T8552]  ? user_path_at+0x44/0x60
[  363.886211][ T8552]  __se_sys_mount+0x317/0x410
[  363.886238][ T8552]  ? __pfx___se_sys_mount+0x10/0x10
[  363.886264][ T8552]  ? rcu_is_watching+0x15/0xb0
[  363.886282][ T8552]  ? __x64_sys_mount+0x20/0xc0
[  363.886307][ T8552]  do_syscall_64+0xfa/0x3b0
[  363.886326][ T8552]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.886343][ T8552]  ? clear_bhb_loop+0x60/0xb0
[  363.886361][ T8552]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.886384][ T8552] RIP: 0033:0x7f788e79038a
[  363.886399][ T8552] 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
[  363.886415][ T8552] RSP: 002b:00007f788f5dce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  363.886434][ T8552] RAX: ffffffffffffffda RBX: 00007f788f5dcef0 RCX: 00007f788e79038a
[  363.886447][ T8552] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f788f5dceb0
[  363.886461][ T8552] RBP: 000020000001f680 R08: 00007f788f5dcef0 R09: 0000000000000084
[  363.886474][ T8552] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  363.886486][ T8552] R13: 00007f788f5dceb0 R14: 000000000001f790 R15: 00002000000001c0
[  363.886505][ T8552]  </TASK>
[  363.886523][ T8552] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  364.224978][ T8552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  364.452249][ T8564] loop5: detected capacity change from 0 to 32768
[  364.505500][ T8562] loop2: detected capacity change from 0 to 32768
[  364.530583][ T8564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  364.538285][ T8564] CPU: 0 UID: 0 PID: 8564 Comm: syz.5.588 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  364.538310][ T8564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  364.538323][ T8564] Call Trace:
[  364.538331][ T8564]  <TASK>
[  364.538338][ T8564]  dump_stack_lvl+0x189/0x250
[  364.538366][ T8564]  ? __pfx_dump_stack_lvl+0x10/0x10
[  364.538388][ T8564]  ? __pfx__printk+0x10/0x10
[  364.538412][ T8564]  ? kernfs_root+0x1c/0x230
[  364.538435][ T8564]  ? kernfs_path_from_node+0x250/0x290
[  364.538455][ T8564]  ? kernfs_path_from_node+0x2f/0x290
[  364.538477][ T8564]  sysfs_create_dir_ns+0x259/0x280
[  364.538497][ T8564]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  364.538517][ T8564]  ? do_raw_spin_unlock+0x122/0x240
[  364.538543][ T8564]  kobject_add_internal+0x59f/0xb40
[  364.538568][ T8564]  kobject_init_and_add+0x125/0x190
[  364.538591][ T8564]  ? __pfx_kobject_init_and_add+0x10/0x10
[  364.538611][ T8564]  ? __raw_spin_lock_init+0x45/0x100
[  364.538633][ T8564]  ? __init_swait_queue_head+0xa9/0x150
[  364.538674][ T8564]  gfs2_sys_fs_add+0x234/0x450
[  364.538694][ T8564]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  364.538717][ T8564]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  364.538761][ T8564]  gfs2_fill_super+0x13c0/0x20d0
[  364.538792][ T8564]  ? __pfx_gfs2_fill_super+0x10/0x10
[  364.538819][ T8564]  ? sb_set_blocksize+0x104/0x180
[  364.538846][ T8564]  ? setup_bdev_super+0x4c1/0x5b0
[  364.538873][ T8564]  get_tree_bdev_flags+0x40b/0x4d0
[  364.538898][ T8564]  ? __pfx_gfs2_fill_super+0x10/0x10
[  364.538922][ T8564]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  364.538952][ T8564]  gfs2_get_tree+0x51/0x1e0
[  364.538973][ T8564]  vfs_get_tree+0x8f/0x2b0
[  364.538994][ T8564]  do_new_mount+0x2a2/0xa30
[  364.539025][ T8564]  ? ns_capable+0x8a/0xf0
[  364.539040][ T8564]  ? __pfx_do_new_mount+0x10/0x10
[  364.539061][ T8564]  ? path_mount+0x61c/0xfe0
[  364.539088][ T8564]  ? user_path_at+0x44/0x60
[  364.539108][ T8564]  __se_sys_mount+0x317/0x410
[  364.539133][ T8564]  ? __pfx___se_sys_mount+0x10/0x10
[  364.539157][ T8564]  ? rcu_is_watching+0x15/0xb0
[  364.539171][ T8564]  ? __x64_sys_mount+0x20/0xc0
[  364.539195][ T8564]  do_syscall_64+0xfa/0x3b0
[  364.539210][ T8564]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  364.539226][ T8564]  ? clear_bhb_loop+0x60/0xb0
[  364.539242][ T8564]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  364.539257][ T8564] RIP: 0033:0x7f81f0b9038a
[  364.539270][ T8564] 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
[  364.539283][ T8564] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  364.539299][ T8564] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  364.539312][ T8564] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  364.539324][ T8564] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  364.539335][ T8564] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  364.539345][ T8564] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  364.539362][ T8564]  </TASK>
[  364.539383][ T8564] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  364.725984][ T8560] loop0: detected capacity change from 0 to 32768
[  364.794977][ T8562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  364.800878][ T8564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  364.877973][ T8562] CPU: 0 UID: 0 PID: 8562 Comm: syz.2.589 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  364.878002][ T8562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  364.878017][ T8562] Call Trace:
[  364.878026][ T8562]  <TASK>
[  364.878034][ T8562]  dump_stack_lvl+0x189/0x250
[  364.878065][ T8562]  ? __pfx_dump_stack_lvl+0x10/0x10
[  364.878089][ T8562]  ? __pfx__printk+0x10/0x10
[  364.878114][ T8562]  ? kernfs_root+0x1c/0x230
[  364.878139][ T8562]  ? kernfs_path_from_node+0x250/0x290
[  364.878160][ T8562]  ? kernfs_path_from_node+0x2f/0x290
[  364.878183][ T8562]  sysfs_create_dir_ns+0x259/0x280
[  364.878206][ T8562]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  364.878228][ T8562]  ? do_raw_spin_unlock+0x122/0x240
[  364.878254][ T8562]  kobject_add_internal+0x59f/0xb40
[  364.878282][ T8562]  kobject_init_and_add+0x125/0x190
[  364.878313][ T8562]  ? __pfx_kobject_init_and_add+0x10/0x10
[  364.878336][ T8562]  ? __raw_spin_lock_init+0x45/0x100
[  364.878360][ T8562]  ? __init_swait_queue_head+0xa9/0x150
[  364.878385][ T8562]  gfs2_sys_fs_add+0x234/0x450
[  364.878406][ T8562]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  364.878429][ T8562]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  364.878461][ T8562]  gfs2_fill_super+0x13c0/0x20d0
[  364.878494][ T8562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  364.878522][ T8562]  ? sb_set_blocksize+0x104/0x180
[  364.878551][ T8562]  ? setup_bdev_super+0x4c1/0x5b0
[  364.878579][ T8562]  get_tree_bdev_flags+0x40b/0x4d0
[  364.878606][ T8562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  364.878631][ T8562]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  364.878662][ T8562]  gfs2_get_tree+0x51/0x1e0
[  364.878689][ T8562]  vfs_get_tree+0x8f/0x2b0
[  364.878715][ T8562]  do_new_mount+0x2a2/0xa30
[  364.878746][ T8562]  ? ns_capable+0x8a/0xf0
[  364.878763][ T8562]  ? __pfx_do_new_mount+0x10/0x10
[  364.878791][ T8562]  ? path_mount+0x61c/0xfe0
[  364.878817][ T8562]  ? user_path_at+0x44/0x60
[  364.878844][ T8562]  __se_sys_mount+0x317/0x410
[  364.878875][ T8562]  ? __pfx___se_sys_mount+0x10/0x10
[  364.878906][ T8562]  ? rcu_is_watching+0x15/0xb0
[  364.878924][ T8562]  ? __x64_sys_mount+0x20/0xc0
[  364.878954][ T8562]  do_syscall_64+0xfa/0x3b0
[  364.878975][ T8562]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  364.878994][ T8562]  ? clear_bhb_loop+0x60/0xb0
[  364.879015][ T8562]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  364.879035][ T8562] RIP: 0033:0x7f9e06d9038a
[  364.879051][ T8562] 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
[  364.879070][ T8562] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  364.879092][ T8562] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  364.879108][ T8562] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  364.879123][ T8562] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  364.879138][ T8562] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  364.879150][ T8562] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  364.879172][ T8562]  </TASK>
[  364.879192][ T8562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  365.025281][ T8560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  365.025302][ T8560] CPU: 1 UID: 0 PID: 8560 Comm: syz.0.587 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  365.025324][ T8560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  365.025336][ T8560] Call Trace:
[  365.025343][ T8560]  <TASK>
[  365.025351][ T8560]  dump_stack_lvl+0x189/0x250
[  365.025378][ T8560]  ? __pfx_dump_stack_lvl+0x10/0x10
[  365.025399][ T8560]  ? __pfx__printk+0x10/0x10
[  365.025422][ T8560]  ? kernfs_root+0x1c/0x230
[  365.025444][ T8560]  ? kernfs_path_from_node+0x250/0x290
[  365.025462][ T8560]  ? kernfs_path_from_node+0x2f/0x290
[  365.025482][ T8560]  sysfs_create_dir_ns+0x259/0x280
[  365.025502][ T8560]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  365.025521][ T8560]  ? do_raw_spin_unlock+0x122/0x240
[  365.025545][ T8560]  kobject_add_internal+0x59f/0xb40
[  365.025568][ T8560]  kobject_init_and_add+0x125/0x190
[  365.025589][ T8560]  ? __pfx_kobject_init_and_add+0x10/0x10
[  365.025612][ T8560]  ? __raw_spin_lock_init+0x45/0x100
[  365.025655][ T8560]  ? __init_swait_queue_head+0xa9/0x150
[  365.025683][ T8560]  gfs2_sys_fs_add+0x234/0x450
[  365.025706][ T8560]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  365.025730][ T8560]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  365.025766][ T8560]  gfs2_fill_super+0x13c0/0x20d0
[  365.025801][ T8560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  365.025831][ T8560]  ? sb_set_blocksize+0x104/0x180
[  365.025863][ T8560]  ? setup_bdev_super+0x4c1/0x5b0
[  365.025893][ T8560]  get_tree_bdev_flags+0x40b/0x4d0
[  365.025922][ T8560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  365.025949][ T8560]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  365.025982][ T8560]  gfs2_get_tree+0x51/0x1e0
[  365.026011][ T8560]  vfs_get_tree+0x8f/0x2b0
[  365.026047][ T8560]  do_new_mount+0x2a2/0xa30
[  365.026079][ T8560]  ? ns_capable+0x8a/0xf0
[  365.026100][ T8560]  ? __pfx_do_new_mount+0x10/0x10
[  365.026129][ T8560]  ? path_mount+0x61c/0xfe0
[  365.026158][ T8560]  ? user_path_at+0x44/0x60
[  365.026185][ T8560]  __se_sys_mount+0x317/0x410
[  365.026220][ T8560]  ? __pfx___se_sys_mount+0x10/0x10
[  365.026254][ T8560]  ? rcu_is_watching+0x15/0xb0
[  365.026273][ T8560]  ? __x64_sys_mount+0x20/0xc0
[  365.026304][ T8560]  do_syscall_64+0xfa/0x3b0
[  365.026327][ T8560]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  365.026349][ T8560]  ? clear_bhb_loop+0x60/0xb0
[  365.026383][ T8560]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  365.026403][ T8560] RIP: 0033:0x7f6e6c79038a
[  365.026421][ T8560] 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
[  365.026437][ T8560] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  365.026459][ T8560] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  365.026473][ T8560] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  365.026488][ T8560] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  365.026502][ T8560] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  365.026516][ T8560] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  365.026538][ T8560]  </TASK>
[  365.026556][ T8560] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  365.332773][ T8562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  365.492359][ T8560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  365.521464][ T8571] loop3: detected capacity change from 0 to 32768
[  365.619529][ T8571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  365.700385][ T8571] CPU: 0 UID: 0 PID: 8571 Comm: syz.3.590 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  365.700412][ T8571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  365.700425][ T8571] Call Trace:
[  365.700432][ T8571]  <TASK>
[  365.700457][ T8571]  dump_stack_lvl+0x189/0x250
[  365.700485][ T8571]  ? __pfx_dump_stack_lvl+0x10/0x10
[  365.700508][ T8571]  ? __pfx__printk+0x10/0x10
[  365.700532][ T8571]  ? kernfs_root+0x1c/0x230
[  365.700555][ T8571]  ? kernfs_path_from_node+0x250/0x290
[  365.700575][ T8571]  ? kernfs_path_from_node+0x2f/0x290
[  365.700597][ T8571]  sysfs_create_dir_ns+0x259/0x280
[  365.700618][ T8571]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  365.700638][ T8571]  ? do_raw_spin_unlock+0x122/0x240
[  365.700664][ T8571]  kobject_add_internal+0x59f/0xb40
[  365.700689][ T8571]  kobject_init_and_add+0x125/0x190
[  365.700713][ T8571]  ? __pfx_kobject_init_and_add+0x10/0x10
[  365.700733][ T8571]  ? __raw_spin_lock_init+0x45/0x100
[  365.700756][ T8571]  ? __init_swait_queue_head+0xa9/0x150
[  365.700780][ T8571]  gfs2_sys_fs_add+0x234/0x450
[  365.700800][ T8571]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  365.700822][ T8571]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  365.700853][ T8571]  gfs2_fill_super+0x13c0/0x20d0
[  365.700885][ T8571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  365.700912][ T8571]  ? sb_set_blocksize+0x104/0x180
[  365.700939][ T8571]  ? setup_bdev_super+0x4c1/0x5b0
[  365.700966][ T8571]  get_tree_bdev_flags+0x40b/0x4d0
[  365.700991][ T8571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  365.701015][ T8571]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  365.701045][ T8571]  gfs2_get_tree+0x51/0x1e0
[  365.701070][ T8571]  vfs_get_tree+0x8f/0x2b0
[  365.701096][ T8571]  do_new_mount+0x2a2/0xa30
[  365.701126][ T8571]  ? ns_capable+0x8a/0xf0
[  365.701143][ T8571]  ? __pfx_do_new_mount+0x10/0x10
[  365.701169][ T8571]  ? path_mount+0x61c/0xfe0
[  365.701193][ T8571]  ? user_path_at+0x44/0x60
[  365.701218][ T8571]  __se_sys_mount+0x317/0x410
[  365.701255][ T8571]  ? __pfx___se_sys_mount+0x10/0x10
[  365.701285][ T8571]  ? rcu_is_watching+0x15/0xb0
[  365.701303][ T8571]  ? __x64_sys_mount+0x20/0xc0
[  365.701333][ T8571]  do_syscall_64+0xfa/0x3b0
[  365.701371][ T8571]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  365.701390][ T8571]  ? clear_bhb_loop+0x60/0xb0
[  365.701412][ T8571]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  365.701432][ T8571] RIP: 0033:0x7f788e79038a
[  365.701450][ T8571] 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
[  365.701467][ T8571] RSP: 002b:00007f788f5dce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  365.701489][ T8571] RAX: ffffffffffffffda RBX: 00007f788f5dcef0 RCX: 00007f788e79038a
[  365.701503][ T8571] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f788f5dceb0
[  365.701518][ T8571] RBP: 000020000001f680 R08: 00007f788f5dcef0 R09: 0000000000000084
[  365.701531][ T8571] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  365.701545][ T8571] R13: 00007f788f5dceb0 R14: 000000000001f790 R15: 00002000000001c0
[  365.701566][ T8571]  </TASK>
[  365.701585][ T8571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  366.084238][ T8571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  366.339648][ T8574] loop1: detected capacity change from 0 to 32768
[  366.395244][ T8574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  366.402738][ T8574] CPU: 1 UID: 0 PID: 8574 Comm: syz.1.591 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  366.402763][ T8574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  366.402776][ T8574] Call Trace:
[  366.402783][ T8574]  <TASK>
[  366.402792][ T8574]  dump_stack_lvl+0x189/0x250
[  366.402821][ T8574]  ? __pfx_dump_stack_lvl+0x10/0x10
[  366.402844][ T8574]  ? __pfx__printk+0x10/0x10
[  366.402869][ T8574]  ? kernfs_root+0x1c/0x230
[  366.402892][ T8574]  ? kernfs_path_from_node+0x250/0x290
[  366.402940][ T8574]  ? kernfs_path_from_node+0x2f/0x290
[  366.402964][ T8574]  sysfs_create_dir_ns+0x259/0x280
[  366.402985][ T8574]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  366.403024][ T8574]  ? do_raw_spin_unlock+0x122/0x240
[  366.403052][ T8574]  kobject_add_internal+0x59f/0xb40
[  366.403080][ T8574]  kobject_init_and_add+0x125/0x190
[  366.403104][ T8574]  ? __pfx_kobject_init_and_add+0x10/0x10
[  366.403127][ T8574]  ? __raw_spin_lock_init+0x45/0x100
[  366.403152][ T8574]  ? __init_swait_queue_head+0xa9/0x150
[  366.403184][ T8574]  gfs2_sys_fs_add+0x234/0x450
[  366.403206][ T8574]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  366.403230][ T8574]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  366.403263][ T8574]  gfs2_fill_super+0x13c0/0x20d0
[  366.403297][ T8574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  366.403326][ T8574]  ? sb_set_blocksize+0x104/0x180
[  366.403355][ T8574]  ? setup_bdev_super+0x4c1/0x5b0
[  366.403384][ T8574]  get_tree_bdev_flags+0x40b/0x4d0
[  366.403411][ T8574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  366.403437][ T8574]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  366.403470][ T8574]  gfs2_get_tree+0x51/0x1e0
[  366.403515][ T8574]  vfs_get_tree+0x8f/0x2b0
[  366.403543][ T8574]  do_new_mount+0x2a2/0xa30
[  366.403582][ T8574]  ? ns_capable+0x8a/0xf0
[  366.403601][ T8574]  ? __pfx_do_new_mount+0x10/0x10
[  366.403631][ T8574]  ? path_mount+0x61c/0xfe0
[  366.403665][ T8574]  ? user_path_at+0x44/0x60
[  366.403704][ T8574]  __se_sys_mount+0x317/0x410
[  366.403738][ T8574]  ? __pfx___se_sys_mount+0x10/0x10
[  366.403772][ T8574]  ? rcu_is_watching+0x15/0xb0
[  366.403792][ T8574]  ? __x64_sys_mount+0x20/0xc0
[  366.403823][ T8574]  do_syscall_64+0xfa/0x3b0
[  366.403845][ T8574]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  366.403867][ T8574]  ? clear_bhb_loop+0x60/0xb0
[  366.403890][ T8574]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  366.403918][ T8574] RIP: 0033:0x7f639659038a
[  366.403936][ T8574] 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
[  366.403955][ T8574] RSP: 002b:00007f63973d9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  366.403977][ T8574] RAX: ffffffffffffffda RBX: 00007f63973d9ef0 RCX: 00007f639659038a
[  366.403993][ T8574] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f63973d9eb0
[  366.404009][ T8574] RBP: 000020000001f680 R08: 00007f63973d9ef0 R09: 0000000000000084
[  366.404023][ T8574] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  366.404038][ T8574] R13: 00007f63973d9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  366.404060][ T8574]  </TASK>
[  366.404080][ T8574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  366.477619][ T8580] loop5: detected capacity change from 0 to 32768
[  366.729183][ T8574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  366.764904][ T8580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  366.772318][ T8580] CPU: 0 UID: 0 PID: 8580 Comm: syz.5.592 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  366.772347][ T8580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  366.772361][ T8580] Call Trace:
[  366.772370][ T8580]  <TASK>
[  366.772379][ T8580]  dump_stack_lvl+0x189/0x250
[  366.772410][ T8580]  ? __pfx_dump_stack_lvl+0x10/0x10
[  366.772435][ T8580]  ? __pfx__printk+0x10/0x10
[  366.772462][ T8580]  ? kernfs_root+0x1c/0x230
[  366.772487][ T8580]  ? kernfs_path_from_node+0x250/0x290
[  366.772510][ T8580]  ? kernfs_path_from_node+0x2f/0x290
[  366.772534][ T8580]  sysfs_create_dir_ns+0x259/0x280
[  366.772557][ T8580]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  366.772580][ T8580]  ? do_raw_spin_unlock+0x122/0x240
[  366.772608][ T8580]  kobject_add_internal+0x59f/0xb40
[  366.772636][ T8580]  kobject_init_and_add+0x125/0x190
[  366.772661][ T8580]  ? __pfx_kobject_init_and_add+0x10/0x10
[  366.772684][ T8580]  ? __raw_spin_lock_init+0x45/0x100
[  366.772709][ T8580]  ? __init_swait_queue_head+0xa9/0x150
[  366.772736][ T8580]  gfs2_sys_fs_add+0x234/0x450
[  366.772757][ T8580]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  366.772781][ T8580]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  366.772816][ T8580]  gfs2_fill_super+0x13c0/0x20d0
[  366.772850][ T8580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  366.772879][ T8580]  ? sb_set_blocksize+0x104/0x180
[  366.772910][ T8580]  ? setup_bdev_super+0x4c1/0x5b0
[  366.772940][ T8580]  get_tree_bdev_flags+0x40b/0x4d0
[  366.772968][ T8580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  366.772995][ T8580]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  366.773028][ T8580]  gfs2_get_tree+0x51/0x1e0
[  366.773055][ T8580]  vfs_get_tree+0x8f/0x2b0
[  366.773084][ T8580]  do_new_mount+0x2a2/0xa30
[  366.773116][ T8580]  ? ns_capable+0x8a/0xf0
[  366.773135][ T8580]  ? __pfx_do_new_mount+0x10/0x10
[  366.773172][ T8580]  ? path_mount+0x61c/0xfe0
[  366.773200][ T8580]  ? user_path_at+0x44/0x60
[  366.773226][ T8580]  __se_sys_mount+0x317/0x410
[  366.773260][ T8580]  ? __pfx___se_sys_mount+0x10/0x10
[  366.773293][ T8580]  ? rcu_is_watching+0x15/0xb0
[  366.773313][ T8580]  ? __x64_sys_mount+0x20/0xc0
[  366.773343][ T8580]  do_syscall_64+0xfa/0x3b0
[  366.773366][ T8580]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  366.773386][ T8580]  ? clear_bhb_loop+0x60/0xb0
[  366.773409][ T8580]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  366.773428][ T8580] RIP: 0033:0x7f81f0b9038a
[  366.773446][ T8580] 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
[  366.773464][ T8580] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  366.773487][ T8580] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  366.773502][ T8580] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  366.773517][ T8580] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  366.773532][ T8580] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  366.773545][ T8580] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  366.773567][ T8580]  </TASK>
[  366.773587][ T8580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  366.886598][ T8582] loop0: detected capacity change from 0 to 32768
[  367.019084][ T8580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  367.139141][ T8582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  367.160943][ T8582] CPU: 0 UID: 0 PID: 8582 Comm: syz.0.593 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  367.160972][ T8582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  367.160985][ T8582] Call Trace:
[  367.160993][ T8582]  <TASK>
[  367.161002][ T8582]  dump_stack_lvl+0x189/0x250
[  367.161032][ T8582]  ? __pfx_dump_stack_lvl+0x10/0x10
[  367.161056][ T8582]  ? __pfx__printk+0x10/0x10
[  367.161081][ T8582]  ? kernfs_root+0x1c/0x230
[  367.161104][ T8582]  ? kernfs_path_from_node+0x250/0x290
[  367.161138][ T8582]  ? kernfs_path_from_node+0x2f/0x290
[  367.161163][ T8582]  sysfs_create_dir_ns+0x259/0x280
[  367.161186][ T8582]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  367.161208][ T8582]  ? do_raw_spin_unlock+0x122/0x240
[  367.161236][ T8582]  kobject_add_internal+0x59f/0xb40
[  367.161263][ T8582]  kobject_init_and_add+0x125/0x190
[  367.161287][ T8582]  ? __pfx_kobject_init_and_add+0x10/0x10
[  367.161310][ T8582]  ? __raw_spin_lock_init+0x45/0x100
[  367.161334][ T8582]  ? __init_swait_queue_head+0xa9/0x150
[  367.161360][ T8582]  gfs2_sys_fs_add+0x234/0x450
[  367.161381][ T8582]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  367.161405][ T8582]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  367.161438][ T8582]  gfs2_fill_super+0x13c0/0x20d0
[  367.161472][ T8582]  ? __pfx_gfs2_fill_super+0x10/0x10
[  367.161500][ T8582]  ? sb_set_blocksize+0x104/0x180
[  367.161529][ T8582]  ? setup_bdev_super+0x4c1/0x5b0
[  367.161557][ T8582]  get_tree_bdev_flags+0x40b/0x4d0
[  367.161584][ T8582]  ? __pfx_gfs2_fill_super+0x10/0x10
[  367.161608][ T8582]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  367.161641][ T8582]  gfs2_get_tree+0x51/0x1e0
[  367.161666][ T8582]  vfs_get_tree+0x8f/0x2b0
[  367.161692][ T8582]  do_new_mount+0x2a2/0xa30
[  367.161722][ T8582]  ? ns_capable+0x8a/0xf0
[  367.161740][ T8582]  ? __pfx_do_new_mount+0x10/0x10
[  367.161767][ T8582]  ? path_mount+0x61c/0xfe0
[  367.161793][ T8582]  ? user_path_at+0x44/0x60
[  367.161818][ T8582]  __se_sys_mount+0x317/0x410
[  367.161850][ T8582]  ? __pfx___se_sys_mount+0x10/0x10
[  367.161881][ T8582]  ? rcu_is_watching+0x15/0xb0
[  367.161900][ T8582]  ? __x64_sys_mount+0x20/0xc0
[  367.161928][ T8582]  do_syscall_64+0xfa/0x3b0
[  367.161949][ T8582]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  367.161968][ T8582]  ? clear_bhb_loop+0x60/0xb0
[  367.161989][ T8582]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  367.162008][ T8582] RIP: 0033:0x7f6e6c79038a
[  367.162024][ T8582] 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
[  367.162040][ T8582] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  367.162060][ T8582] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  367.162075][ T8582] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  367.162088][ T8582] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  367.162101][ T8582] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  367.162120][ T8582] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  367.162141][ T8582]  </TASK>
[  367.162160][ T8582] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  367.524623][ T8582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  367.882914][ T8584] loop2: detected capacity change from 0 to 32768
[  367.934804][ T8584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  367.970469][ T8584] CPU: 0 UID: 0 PID: 8584 Comm: syz.2.594 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  367.970494][ T8584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  367.970506][ T8584] Call Trace:
[  367.970514][ T8584]  <TASK>
[  367.970521][ T8584]  dump_stack_lvl+0x189/0x250
[  367.970548][ T8584]  ? __pfx_dump_stack_lvl+0x10/0x10
[  367.970569][ T8584]  ? __pfx__printk+0x10/0x10
[  367.970591][ T8584]  ? kernfs_root+0x1c/0x230
[  367.970613][ T8584]  ? kernfs_path_from_node+0x250/0x290
[  367.970631][ T8584]  ? kernfs_path_from_node+0x2f/0x290
[  367.970652][ T8584]  sysfs_create_dir_ns+0x259/0x280
[  367.970673][ T8584]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  367.970692][ T8584]  ? do_raw_spin_unlock+0x122/0x240
[  367.970716][ T8584]  kobject_add_internal+0x59f/0xb40
[  367.970740][ T8584]  kobject_init_and_add+0x125/0x190
[  367.970762][ T8584]  ? __pfx_kobject_init_and_add+0x10/0x10
[  367.970781][ T8584]  ? __raw_spin_lock_init+0x45/0x100
[  367.970814][ T8584]  ? __init_swait_queue_head+0xa9/0x150
[  367.970837][ T8584]  gfs2_sys_fs_add+0x234/0x450
[  367.970856][ T8584]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  367.970876][ T8584]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  367.970906][ T8584]  gfs2_fill_super+0x13c0/0x20d0
[  367.970935][ T8584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  367.970960][ T8584]  ? sb_set_blocksize+0x104/0x180
[  367.970986][ T8584]  ? setup_bdev_super+0x4c1/0x5b0
[  367.971012][ T8584]  get_tree_bdev_flags+0x40b/0x4d0
[  367.971035][ T8584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  367.971058][ T8584]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  367.971085][ T8584]  gfs2_get_tree+0x51/0x1e0
[  367.971108][ T8584]  vfs_get_tree+0x8f/0x2b0
[  367.971132][ T8584]  do_new_mount+0x2a2/0xa30
[  367.971159][ T8584]  ? ns_capable+0x8a/0xf0
[  367.971177][ T8584]  ? __pfx_do_new_mount+0x10/0x10
[  367.971202][ T8584]  ? path_mount+0x61c/0xfe0
[  367.971226][ T8584]  ? user_path_at+0x44/0x60
[  367.971248][ T8584]  __se_sys_mount+0x317/0x410
[  367.971277][ T8584]  ? __pfx___se_sys_mount+0x10/0x10
[  367.971304][ T8584]  ? rcu_is_watching+0x15/0xb0
[  367.971322][ T8584]  ? __x64_sys_mount+0x20/0xc0
[  367.971348][ T8584]  do_syscall_64+0xfa/0x3b0
[  367.971366][ T8584]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  367.971383][ T8584]  ? clear_bhb_loop+0x60/0xb0
[  367.971408][ T8584]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  367.971425][ T8584] RIP: 0033:0x7f9e06d9038a
[  367.971441][ T8584] 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
[  367.971460][ T8584] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  367.971479][ T8584] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  367.971493][ T8584] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  367.971505][ T8584] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  367.971517][ T8584] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  367.971528][ T8584] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  367.971547][ T8584]  </TASK>
[  367.971565][ T8584] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  368.304790][ T8584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  368.454380][ T8595] loop5: detected capacity change from 0 to 32768
[  368.484771][ T8595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  368.492237][ T8595] CPU: 0 UID: 0 PID: 8595 Comm: syz.5.597 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  368.492261][ T8595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  368.492273][ T8595] Call Trace:
[  368.492281][ T8595]  <TASK>
[  368.492288][ T8595]  dump_stack_lvl+0x189/0x250
[  368.492316][ T8595]  ? __pfx_dump_stack_lvl+0x10/0x10
[  368.492337][ T8595]  ? __pfx__printk+0x10/0x10
[  368.492359][ T8595]  ? kernfs_root+0x1c/0x230
[  368.492381][ T8595]  ? kernfs_path_from_node+0x250/0x290
[  368.492400][ T8595]  ? kernfs_path_from_node+0x2f/0x290
[  368.492420][ T8595]  sysfs_create_dir_ns+0x259/0x280
[  368.492440][ T8595]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  368.492459][ T8595]  ? do_raw_spin_unlock+0x122/0x240
[  368.492483][ T8595]  kobject_add_internal+0x59f/0xb40
[  368.492507][ T8595]  kobject_init_and_add+0x125/0x190
[  368.492525][ T8595]  ? __pfx_kobject_init_and_add+0x10/0x10
[  368.492543][ T8595]  ? __raw_spin_lock_init+0x45/0x100
[  368.492582][ T8595]  ? __init_swait_queue_head+0xa9/0x150
[  368.492604][ T8595]  gfs2_sys_fs_add+0x234/0x450
[  368.492624][ T8595]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  368.492646][ T8595]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  368.492677][ T8595]  gfs2_fill_super+0x13c0/0x20d0
[  368.492726][ T8595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  368.492761][ T8595]  ? sb_set_blocksize+0x104/0x180
[  368.492790][ T8595]  ? setup_bdev_super+0x4c1/0x5b0
[  368.492818][ T8595]  get_tree_bdev_flags+0x40b/0x4d0
[  368.492844][ T8595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  368.492870][ T8595]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  368.492902][ T8595]  gfs2_get_tree+0x51/0x1e0
[  368.492929][ T8595]  vfs_get_tree+0x8f/0x2b0
[  368.492956][ T8595]  do_new_mount+0x2a2/0xa30
[  368.492987][ T8595]  ? ns_capable+0x8a/0xf0
[  368.493006][ T8595]  ? __pfx_do_new_mount+0x10/0x10
[  368.493035][ T8595]  ? path_mount+0x61c/0xfe0
[  368.493061][ T8595]  ? user_path_at+0x44/0x60
[  368.493088][ T8595]  __se_sys_mount+0x317/0x410
[  368.493120][ T8595]  ? __pfx___se_sys_mount+0x10/0x10
[  368.493153][ T8595]  ? rcu_is_watching+0x15/0xb0
[  368.493172][ T8595]  ? __x64_sys_mount+0x20/0xc0
[  368.493203][ T8595]  do_syscall_64+0xfa/0x3b0
[  368.493224][ T8595]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  368.493243][ T8595]  ? clear_bhb_loop+0x60/0xb0
[  368.493265][ T8595]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  368.493284][ T8595] RIP: 0033:0x7f81f0b9038a
[  368.493302][ T8595] 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
[  368.493320][ T8595] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  368.493340][ T8595] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  368.493355][ T8595] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  368.493369][ T8595] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  368.493382][ T8595] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  368.493395][ T8595] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  368.493416][ T8595]  </TASK>
[  368.493435][ T8595] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  368.503173][ T8596] loop1: detected capacity change from 0 to 32768
[  368.513980][ T8590] loop3: detected capacity change from 0 to 32768
[  368.664671][ T8595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  368.855949][ T8596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  368.863412][ T8596] CPU: 0 UID: 0 PID: 8596 Comm: syz.1.596 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  368.863438][ T8596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  368.863451][ T8596] Call Trace:
[  368.863461][ T8596]  <TASK>
[  368.863469][ T8596]  dump_stack_lvl+0x189/0x250
[  368.863499][ T8596]  ? __pfx_dump_stack_lvl+0x10/0x10
[  368.863522][ T8596]  ? __pfx__printk+0x10/0x10
[  368.863547][ T8596]  ? kernfs_root+0x1c/0x230
[  368.863572][ T8596]  ? kernfs_path_from_node+0x250/0x290
[  368.863594][ T8596]  ? kernfs_path_from_node+0x2f/0x290
[  368.863619][ T8596]  sysfs_create_dir_ns+0x259/0x280
[  368.863642][ T8596]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  368.863664][ T8596]  ? do_raw_spin_unlock+0x122/0x240
[  368.863693][ T8596]  kobject_add_internal+0x59f/0xb40
[  368.863721][ T8596]  kobject_init_and_add+0x125/0x190
[  368.863747][ T8596]  ? __pfx_kobject_init_and_add+0x10/0x10
[  368.863771][ T8596]  ? __raw_spin_lock_init+0x45/0x100
[  368.863796][ T8596]  ? __init_swait_queue_head+0xa9/0x150
[  368.863822][ T8596]  gfs2_sys_fs_add+0x234/0x450
[  368.863844][ T8596]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  368.863868][ T8596]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  368.863902][ T8596]  gfs2_fill_super+0x13c0/0x20d0
[  368.863936][ T8596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  368.863965][ T8596]  ? sb_set_blocksize+0x104/0x180
[  368.864004][ T8596]  ? setup_bdev_super+0x4c1/0x5b0
[  368.864034][ T8596]  get_tree_bdev_flags+0x40b/0x4d0
[  368.864061][ T8596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  368.864088][ T8596]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  368.864121][ T8596]  gfs2_get_tree+0x51/0x1e0
[  368.864149][ T8596]  vfs_get_tree+0x8f/0x2b0
[  368.864178][ T8596]  do_new_mount+0x2a2/0xa30
[  368.864209][ T8596]  ? ns_capable+0x8a/0xf0
[  368.864229][ T8596]  ? __pfx_do_new_mount+0x10/0x10
[  368.864258][ T8596]  ? path_mount+0x61c/0xfe0
[  368.864285][ T8596]  ? user_path_at+0x44/0x60
[  368.864313][ T8596]  __se_sys_mount+0x317/0x410
[  368.864346][ T8596]  ? __pfx___se_sys_mount+0x10/0x10
[  368.864380][ T8596]  ? rcu_is_watching+0x15/0xb0
[  368.864399][ T8596]  ? __x64_sys_mount+0x20/0xc0
[  368.864431][ T8596]  do_syscall_64+0xfa/0x3b0
[  368.864453][ T8596]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  368.864474][ T8596]  ? clear_bhb_loop+0x60/0xb0
[  368.864497][ T8596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  368.864517][ T8596] RIP: 0033:0x7f639659038a
[  368.864535][ T8596] 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
[  368.864553][ T8596] RSP: 002b:00007f63973d9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  368.864582][ T8596] RAX: ffffffffffffffda RBX: 00007f63973d9ef0 RCX: 00007f639659038a
[  368.864598][ T8596] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f63973d9eb0
[  368.864612][ T8596] RBP: 000020000001f680 R08: 00007f63973d9ef0 R09: 0000000000000084
[  368.864627][ T8596] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  368.864652][ T8596] R13: 00007f63973d9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  368.864675][ T8596]  </TASK>
[  368.943810][ T8599] loop0: detected capacity change from 0 to 32768
[  369.109111][ T8596] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  369.168576][ T8590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  369.198297][ T8596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  369.214697][ T8590] CPU: 0 UID: 0 PID: 8590 Comm: syz.3.595 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  369.214725][ T8590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  369.214738][ T8590] Call Trace:
[  369.214758][ T8590]  <TASK>
[  369.214766][ T8590]  dump_stack_lvl+0x189/0x250
[  369.214805][ T8590]  ? __pfx_dump_stack_lvl+0x10/0x10
[  369.214827][ T8590]  ? __pfx__printk+0x10/0x10
[  369.214850][ T8590]  ? kernfs_root+0x1c/0x230
[  369.214871][ T8590]  ? kernfs_path_from_node+0x250/0x290
[  369.214891][ T8590]  ? kernfs_path_from_node+0x2f/0x290
[  369.214912][ T8590]  sysfs_create_dir_ns+0x259/0x280
[  369.214931][ T8590]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  369.214956][ T8590]  ? do_raw_spin_unlock+0x122/0x240
[  369.214981][ T8590]  kobject_add_internal+0x59f/0xb40
[  369.215005][ T8590]  kobject_init_and_add+0x125/0x190
[  369.215027][ T8590]  ? __pfx_kobject_init_and_add+0x10/0x10
[  369.215047][ T8590]  ? __raw_spin_lock_init+0x45/0x100
[  369.215069][ T8590]  ? __init_swait_queue_head+0xa9/0x150
2025/08/16 00:24:28 executed programs: 592
[  369.215091][ T8590]  gfs2_sys_fs_add+0x234/0x450
[  369.215110][ T8590]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  369.215130][ T8590]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  369.215159][ T8590]  gfs2_fill_super+0x13c0/0x20d0
[  369.215188][ T8590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  369.215214][ T8590]  ? sb_set_blocksize+0x104/0x180
[  369.215239][ T8590]  ? setup_bdev_super+0x4c1/0x5b0
[  369.215265][ T8590]  get_tree_bdev_flags+0x40b/0x4d0
[  369.215289][ T8590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  369.215311][ T8590]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  369.215339][ T8590]  gfs2_get_tree+0x51/0x1e0
[  369.215363][ T8590]  vfs_get_tree+0x8f/0x2b0
[  369.215388][ T8590]  do_new_mount+0x2a2/0xa30
[  369.215414][ T8590]  ? ns_capable+0x8a/0xf0
[  369.215430][ T8590]  ? __pfx_do_new_mount+0x10/0x10
[  369.215455][ T8590]  ? path_mount+0x61c/0xfe0
[  369.215479][ T8590]  ? user_path_at+0x44/0x60
[  369.215502][ T8590]  __se_sys_mount+0x317/0x410
[  369.215531][ T8590]  ? __pfx___se_sys_mount+0x10/0x10
[  369.215559][ T8590]  ? rcu_is_watching+0x15/0xb0
[  369.215576][ T8590]  ? __x64_sys_mount+0x20/0xc0
[  369.215602][ T8590]  do_syscall_64+0xfa/0x3b0
[  369.215621][ T8590]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.215639][ T8590]  ? clear_bhb_loop+0x60/0xb0
[  369.215658][ T8590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.215676][ T8590] RIP: 0033:0x7f788e79038a
[  369.215691][ T8590] 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
[  369.215707][ T8590] RSP: 002b:00007f788f5dce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  369.215726][ T8590] RAX: ffffffffffffffda RBX: 00007f788f5dcef0 RCX: 00007f788e79038a
[  369.215739][ T8590] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f788f5dceb0
[  369.215752][ T8590] RBP: 000020000001f680 R08: 00007f788f5dcef0 R09: 0000000000000084
[  369.215764][ T8590] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  369.215775][ T8590] R13: 00007f788f5dceb0 R14: 000000000001f790 R15: 00002000000001c0
[  369.215794][ T8590]  </TASK>
[  369.215812][ T8590] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  369.547786][ T8590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  369.551404][ T8599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  369.584846][ T8599] CPU: 0 UID: 0 PID: 8599 Comm: syz.0.598 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  369.584871][ T8599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  369.584882][ T8599] Call Trace:
[  369.584889][ T8599]  <TASK>
[  369.584897][ T8599]  dump_stack_lvl+0x189/0x250
[  369.584932][ T8599]  ? __pfx_dump_stack_lvl+0x10/0x10
[  369.584952][ T8599]  ? __pfx__printk+0x10/0x10
[  369.584974][ T8599]  ? kernfs_root+0x1c/0x230
[  369.584995][ T8599]  ? kernfs_path_from_node+0x250/0x290
[  369.585013][ T8599]  ? kernfs_path_from_node+0x2f/0x290
[  369.585033][ T8599]  sysfs_create_dir_ns+0x259/0x280
[  369.585053][ T8599]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  369.585072][ T8599]  ? do_raw_spin_unlock+0x122/0x240
[  369.585095][ T8599]  kobject_add_internal+0x59f/0xb40
[  369.585119][ T8599]  kobject_init_and_add+0x125/0x190
[  369.585140][ T8599]  ? __pfx_kobject_init_and_add+0x10/0x10
[  369.585160][ T8599]  ? __raw_spin_lock_init+0x45/0x100
[  369.585182][ T8599]  ? __init_swait_queue_head+0xa9/0x150
[  369.585204][ T8599]  gfs2_sys_fs_add+0x234/0x450
[  369.585222][ T8599]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  369.585243][ T8599]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  369.585271][ T8599]  gfs2_fill_super+0x13c0/0x20d0
[  369.585300][ T8599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  369.585324][ T8599]  ? sb_set_blocksize+0x104/0x180
[  369.585350][ T8599]  ? setup_bdev_super+0x4c1/0x5b0
[  369.585375][ T8599]  get_tree_bdev_flags+0x40b/0x4d0
[  369.585399][ T8599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  369.585421][ T8599]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  369.585449][ T8599]  gfs2_get_tree+0x51/0x1e0
[  369.585473][ T8599]  vfs_get_tree+0x8f/0x2b0
[  369.585497][ T8599]  do_new_mount+0x2a2/0xa30
[  369.585525][ T8599]  ? ns_capable+0x8a/0xf0
[  369.585541][ T8599]  ? __pfx_do_new_mount+0x10/0x10
[  369.585565][ T8599]  ? path_mount+0x61c/0xfe0
[  369.585589][ T8599]  ? user_path_at+0x44/0x60
[  369.585613][ T8599]  __se_sys_mount+0x317/0x410
[  369.585641][ T8599]  ? __pfx___se_sys_mount+0x10/0x10
[  369.585669][ T8599]  ? rcu_is_watching+0x15/0xb0
[  369.585685][ T8599]  ? __x64_sys_mount+0x20/0xc0
[  369.585712][ T8599]  do_syscall_64+0xfa/0x3b0
[  369.585730][ T8599]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.585747][ T8599]  ? clear_bhb_loop+0x60/0xb0
[  369.585766][ T8599]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.585783][ T8599] RIP: 0033:0x7f6e6c79038a
[  369.585799][ T8599] 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
[  369.585815][ T8599] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  369.585834][ T8599] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  369.585847][ T8599] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  369.585860][ T8599] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  369.585872][ T8599] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  369.585884][ T8599] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  369.585903][ T8599]  </TASK>
[  369.585928][ T8599] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  369.984766][ T8599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  370.461708][ T8610] loop2: detected capacity change from 0 to 32768
[  370.498970][ T8610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  370.514807][ T8610] CPU: 0 UID: 0 PID: 8610 Comm: syz.2.599 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  370.514832][ T8610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  370.514844][ T8610] Call Trace:
[  370.514851][ T8610]  <TASK>
[  370.514859][ T8610]  dump_stack_lvl+0x189/0x250
[  370.514887][ T8610]  ? __pfx_dump_stack_lvl+0x10/0x10
[  370.514908][ T8610]  ? __pfx__printk+0x10/0x10
[  370.514932][ T8610]  ? kernfs_root+0x1c/0x230
[  370.514953][ T8610]  ? kernfs_path_from_node+0x250/0x290
[  370.514972][ T8610]  ? kernfs_path_from_node+0x2f/0x290
[  370.514993][ T8610]  sysfs_create_dir_ns+0x259/0x280
[  370.515013][ T8610]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  370.515032][ T8610]  ? do_raw_spin_unlock+0x122/0x240
[  370.515055][ T8610]  kobject_add_internal+0x59f/0xb40
[  370.515080][ T8610]  kobject_init_and_add+0x125/0x190
[  370.515102][ T8610]  ? __pfx_kobject_init_and_add+0x10/0x10
[  370.515121][ T8610]  ? __raw_spin_lock_init+0x45/0x100
[  370.515142][ T8610]  ? __init_swait_queue_head+0xa9/0x150
[  370.515164][ T8610]  gfs2_sys_fs_add+0x234/0x450
[  370.515183][ T8610]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  370.515203][ T8610]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  370.515233][ T8610]  gfs2_fill_super+0x13c0/0x20d0
[  370.515263][ T8610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  370.515287][ T8610]  ? sb_set_blocksize+0x104/0x180
[  370.515313][ T8610]  ? setup_bdev_super+0x4c1/0x5b0
[  370.515339][ T8610]  get_tree_bdev_flags+0x40b/0x4d0
[  370.515362][ T8610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  370.515384][ T8610]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  370.515413][ T8610]  gfs2_get_tree+0x51/0x1e0
[  370.515436][ T8610]  vfs_get_tree+0x8f/0x2b0
[  370.515460][ T8610]  do_new_mount+0x2a2/0xa30
[  370.515487][ T8610]  ? ns_capable+0x8a/0xf0
[  370.515504][ T8610]  ? __pfx_do_new_mount+0x10/0x10
[  370.515528][ T8610]  ? path_mount+0x61c/0xfe0
[  370.515552][ T8610]  ? user_path_at+0x44/0x60
[  370.515575][ T8610]  __se_sys_mount+0x317/0x410
[  370.515603][ T8610]  ? __pfx___se_sys_mount+0x10/0x10
[  370.515631][ T8610]  ? rcu_is_watching+0x15/0xb0
[  370.515674][ T8610]  ? __x64_sys_mount+0x20/0xc0
[  370.515703][ T8610]  do_syscall_64+0xfa/0x3b0
[  370.515722][ T8610]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  370.515741][ T8610]  ? clear_bhb_loop+0x60/0xb0
[  370.515761][ T8610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  370.515778][ T8610] RIP: 0033:0x7f9e06d9038a
[  370.515795][ T8610] 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
[  370.515812][ T8610] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  370.515832][ T8610] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  370.515846][ T8610] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  370.515860][ T8610] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  370.515873][ T8610] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  370.515886][ T8610] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  370.515906][ T8610]  </TASK>
[  370.515952][ T8610] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  370.834517][ T8610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  371.031223][ T8614] loop3: detected capacity change from 0 to 32768
[  371.051553][ T8615] loop1: detected capacity change from 0 to 32768
[  371.090414][ T8614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  371.125524][ T8614] CPU: 1 UID: 0 PID: 8614 Comm: syz.3.601 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  371.125552][ T8614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  371.125564][ T8614] Call Trace:
[  371.125572][ T8614]  <TASK>
[  371.125580][ T8614]  dump_stack_lvl+0x189/0x250
[  371.125608][ T8614]  ? __pfx_dump_stack_lvl+0x10/0x10
[  371.125630][ T8614]  ? __pfx__printk+0x10/0x10
[  371.125655][ T8614]  ? kernfs_root+0x1c/0x230
[  371.125678][ T8614]  ? kernfs_path_from_node+0x250/0x290
[  371.125698][ T8614]  ? kernfs_path_from_node+0x2f/0x290
[  371.125720][ T8614]  sysfs_create_dir_ns+0x259/0x280
[  371.125741][ T8614]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  371.125761][ T8614]  ? do_raw_spin_unlock+0x122/0x240
[  371.125817][ T8614]  kobject_add_internal+0x59f/0xb40
[  371.125843][ T8614]  kobject_init_and_add+0x125/0x190
[  371.125864][ T8614]  ? __pfx_kobject_init_and_add+0x10/0x10
[  371.125884][ T8614]  ? __raw_spin_lock_init+0x45/0x100
[  371.125906][ T8614]  ? __init_swait_queue_head+0xa9/0x150
[  371.125928][ T8614]  gfs2_sys_fs_add+0x234/0x450
[  371.125954][ T8614]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  371.125975][ T8614]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  371.126004][ T8614]  gfs2_fill_super+0x13c0/0x20d0
[  371.126033][ T8614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  371.126057][ T8614]  ? sb_set_blocksize+0x104/0x180
[  371.126083][ T8614]  ? setup_bdev_super+0x4c1/0x5b0
[  371.126108][ T8614]  get_tree_bdev_flags+0x40b/0x4d0
[  371.126132][ T8614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  371.126154][ T8614]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  371.126182][ T8614]  gfs2_get_tree+0x51/0x1e0
[  371.126205][ T8614]  vfs_get_tree+0x8f/0x2b0
[  371.126228][ T8614]  do_new_mount+0x2a2/0xa30
[  371.126254][ T8614]  ? ns_capable+0x8a/0xf0
[  371.126270][ T8614]  ? __pfx_do_new_mount+0x10/0x10
[  371.126295][ T8614]  ? path_mount+0x61c/0xfe0
[  371.126319][ T8614]  ? user_path_at+0x44/0x60
[  371.126343][ T8614]  __se_sys_mount+0x317/0x410
[  371.126371][ T8614]  ? __pfx___se_sys_mount+0x10/0x10
[  371.126400][ T8614]  ? rcu_is_watching+0x15/0xb0
[  371.126416][ T8614]  ? __x64_sys_mount+0x20/0xc0
[  371.126443][ T8614]  do_syscall_64+0xfa/0x3b0
[  371.126461][ T8614]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.126479][ T8614]  ? clear_bhb_loop+0x60/0xb0
[  371.126498][ T8614]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.126515][ T8614] RIP: 0033:0x7f788e79038a
[  371.126531][ T8614] 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
[  371.126546][ T8614] RSP: 002b:00007f788f5dce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  371.126564][ T8614] RAX: ffffffffffffffda RBX: 00007f788f5dcef0 RCX: 00007f788e79038a
[  371.126578][ T8614] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f788f5dceb0
[  371.126591][ T8614] RBP: 000020000001f680 R08: 00007f788f5dcef0 R09: 0000000000000084
[  371.126603][ T8614] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  371.126615][ T8614] R13: 00007f788f5dceb0 R14: 000000000001f790 R15: 00002000000001c0
[  371.126635][ T8614]  </TASK>
[  371.126652][ T8614] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  371.225448][ T8615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  371.283942][ T8617] loop5: detected capacity change from 0 to 32768
[  371.324634][ T8614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  371.369285][ T8615] CPU: 1 UID: 0 PID: 8615 Comm: syz.1.600 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  371.369314][ T8615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  371.369328][ T8615] Call Trace:
[  371.369336][ T8615]  <TASK>
[  371.369344][ T8615]  dump_stack_lvl+0x189/0x250
[  371.369376][ T8615]  ? __pfx_dump_stack_lvl+0x10/0x10
[  371.369400][ T8615]  ? __pfx__printk+0x10/0x10
[  371.369425][ T8615]  ? kernfs_root+0x1c/0x230
[  371.369451][ T8615]  ? kernfs_path_from_node+0x250/0x290
[  371.369471][ T8615]  ? kernfs_path_from_node+0x2f/0x290
[  371.369496][ T8615]  sysfs_create_dir_ns+0x259/0x280
[  371.369517][ T8615]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  371.369539][ T8615]  ? do_raw_spin_unlock+0x122/0x240
[  371.369567][ T8615]  kobject_add_internal+0x59f/0xb40
[  371.369593][ T8615]  kobject_init_and_add+0x125/0x190
[  371.369616][ T8615]  ? __pfx_kobject_init_and_add+0x10/0x10
[  371.369639][ T8615]  ? __raw_spin_lock_init+0x45/0x100
[  371.369664][ T8615]  ? __init_swait_queue_head+0xa9/0x150
[  371.369689][ T8615]  gfs2_sys_fs_add+0x234/0x450
[  371.369709][ T8615]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  371.369732][ T8615]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  371.369765][ T8615]  gfs2_fill_super+0x13c0/0x20d0
[  371.369798][ T8615]  ? __pfx_gfs2_fill_super+0x10/0x10
[  371.369825][ T8615]  ? sb_set_blocksize+0x104/0x180
[  371.369862][ T8615]  ? setup_bdev_super+0x4c1/0x5b0
[  371.369889][ T8615]  get_tree_bdev_flags+0x40b/0x4d0
[  371.369917][ T8615]  ? __pfx_gfs2_fill_super+0x10/0x10
[  371.369942][ T8615]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  371.369973][ T8615]  gfs2_get_tree+0x51/0x1e0
[  371.369999][ T8615]  vfs_get_tree+0x8f/0x2b0
[  371.370026][ T8615]  do_new_mount+0x2a2/0xa30
[  371.370057][ T8615]  ? ns_capable+0x8a/0xf0
[  371.370075][ T8615]  ? __pfx_do_new_mount+0x10/0x10
[  371.370103][ T8615]  ? path_mount+0x61c/0xfe0
[  371.370129][ T8615]  ? user_path_at+0x44/0x60
[  371.370156][ T8615]  __se_sys_mount+0x317/0x410
[  371.370188][ T8615]  ? __pfx___se_sys_mount+0x10/0x10
[  371.370219][ T8615]  ? rcu_is_watching+0x15/0xb0
[  371.370238][ T8615]  ? __x64_sys_mount+0x20/0xc0
[  371.370268][ T8615]  do_syscall_64+0xfa/0x3b0
[  371.370289][ T8615]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.370308][ T8615]  ? clear_bhb_loop+0x60/0xb0
[  371.370329][ T8615]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.370349][ T8615] RIP: 0033:0x7f639659038a
[  371.370367][ T8615] 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
[  371.370384][ T8615] RSP: 002b:00007f63973d9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  371.370406][ T8615] RAX: ffffffffffffffda RBX: 00007f63973d9ef0 RCX: 00007f639659038a
[  371.370422][ T8615] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f63973d9eb0
[  371.370436][ T8615] RBP: 000020000001f680 R08: 00007f63973d9ef0 R09: 0000000000000084
[  371.370450][ T8615] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  371.370463][ T8615] R13: 00007f63973d9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  371.370485][ T8615]  </TASK>
[  371.370505][ T8615] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  371.450952][ T8621] loop0: detected capacity change from 0 to 32768
[  371.453858][ T8615] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  371.673967][ T8621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  371.816686][ T8621] CPU: 1 UID: 0 PID: 8621 Comm: syz.0.603 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  371.816711][ T8621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  371.816723][ T8621] Call Trace:
[  371.816730][ T8621]  <TASK>
[  371.816738][ T8621]  dump_stack_lvl+0x189/0x250
[  371.816773][ T8621]  ? __pfx_dump_stack_lvl+0x10/0x10
[  371.816795][ T8621]  ? __pfx__printk+0x10/0x10
[  371.816817][ T8621]  ? kernfs_root+0x1c/0x230
[  371.816837][ T8621]  ? kernfs_path_from_node+0x250/0x290
[  371.816856][ T8621]  ? kernfs_path_from_node+0x2f/0x290
[  371.816876][ T8621]  sysfs_create_dir_ns+0x259/0x280
[  371.816895][ T8621]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  371.816915][ T8621]  ? do_raw_spin_unlock+0x122/0x240
[  371.816938][ T8621]  kobject_add_internal+0x59f/0xb40
[  371.816960][ T8621]  kobject_init_and_add+0x125/0x190
[  371.816981][ T8621]  ? __pfx_kobject_init_and_add+0x10/0x10
[  371.817001][ T8621]  ? __raw_spin_lock_init+0x45/0x100
[  371.817021][ T8621]  ? __init_swait_queue_head+0xa9/0x150
[  371.817043][ T8621]  gfs2_sys_fs_add+0x234/0x450
[  371.817062][ T8621]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  371.817081][ T8621]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  371.817110][ T8621]  gfs2_fill_super+0x13c0/0x20d0
[  371.817140][ T8621]  ? __pfx_gfs2_fill_super+0x10/0x10
[  371.817163][ T8621]  ? sb_set_blocksize+0x104/0x180
[  371.817188][ T8621]  ? setup_bdev_super+0x4c1/0x5b0
[  371.817212][ T8621]  get_tree_bdev_flags+0x40b/0x4d0
[  371.817234][ T8621]  ? __pfx_gfs2_fill_super+0x10/0x10
[  371.817256][ T8621]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  371.817283][ T8621]  gfs2_get_tree+0x51/0x1e0
[  371.817307][ T8621]  vfs_get_tree+0x8f/0x2b0
[  371.817330][ T8621]  do_new_mount+0x2a2/0xa30
[  371.817357][ T8621]  ? ns_capable+0x8a/0xf0
[  371.817372][ T8621]  ? __pfx_do_new_mount+0x10/0x10
[  371.817397][ T8621]  ? path_mount+0x61c/0xfe0
[  371.817419][ T8621]  ? user_path_at+0x44/0x60
[  371.817441][ T8621]  __se_sys_mount+0x317/0x410
[  371.817468][ T8621]  ? __pfx___se_sys_mount+0x10/0x10
[  371.817496][ T8621]  ? rcu_is_watching+0x15/0xb0
[  371.817513][ T8621]  ? __x64_sys_mount+0x20/0xc0
[  371.817539][ T8621]  do_syscall_64+0xfa/0x3b0
[  371.817557][ T8621]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.817574][ T8621]  ? clear_bhb_loop+0x60/0xb0
[  371.817592][ T8621]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.817610][ T8621] RIP: 0033:0x7f6e6c79038a
[  371.817625][ T8621] 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
[  371.817640][ T8621] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  371.817658][ T8621] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  371.817671][ T8621] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  371.817683][ T8621] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  371.817695][ T8621] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  371.817710][ T8621] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  371.817729][ T8621]  </TASK>
[  371.817818][ T8621] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  372.007466][ T8617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  372.144620][ T8621] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  372.144901][ T8617] CPU: 1 UID: 0 PID: 8617 Comm: syz.5.602 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  372.144929][ T8617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  372.144944][ T8617] Call Trace:
[  372.144953][ T8617]  <TASK>
[  372.144963][ T8617]  dump_stack_lvl+0x189/0x250
[  372.144996][ T8617]  ? __pfx_dump_stack_lvl+0x10/0x10
[  372.145021][ T8617]  ? __pfx__printk+0x10/0x10
[  372.145050][ T8617]  ? kernfs_root+0x1c/0x230
[  372.145076][ T8617]  ? kernfs_path_from_node+0x250/0x290
[  372.145099][ T8617]  ? kernfs_path_from_node+0x2f/0x290
[  372.145124][ T8617]  sysfs_create_dir_ns+0x259/0x280
[  372.145148][ T8617]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  372.145171][ T8617]  ? do_raw_spin_unlock+0x122/0x240
[  372.145199][ T8617]  kobject_add_internal+0x59f/0xb40
[  372.145228][ T8617]  kobject_init_and_add+0x125/0x190
[  372.145254][ T8617]  ? __pfx_kobject_init_and_add+0x10/0x10
[  372.145277][ T8617]  ? __raw_spin_lock_init+0x45/0x100
[  372.145303][ T8617]  ? __init_swait_queue_head+0xa9/0x150
[  372.145330][ T8617]  gfs2_sys_fs_add+0x234/0x450
[  372.145352][ T8617]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  372.145377][ T8617]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  372.145411][ T8617]  gfs2_fill_super+0x13c0/0x20d0
[  372.145446][ T8617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  372.145484][ T8617]  ? sb_set_blocksize+0x104/0x180
[  372.145515][ T8617]  ? setup_bdev_super+0x4c1/0x5b0
[  372.145546][ T8617]  get_tree_bdev_flags+0x40b/0x4d0
[  372.145575][ T8617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  372.145601][ T8617]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  372.145635][ T8617]  gfs2_get_tree+0x51/0x1e0
[  372.145663][ T8617]  vfs_get_tree+0x8f/0x2b0
[  372.145692][ T8617]  do_new_mount+0x2a2/0xa30
[  372.145724][ T8617]  ? ns_capable+0x8a/0xf0
[  372.145744][ T8617]  ? __pfx_do_new_mount+0x10/0x10
[  372.145773][ T8617]  ? path_mount+0x61c/0xfe0
[  372.145802][ T8617]  ? user_path_at+0x44/0x60
[  372.145829][ T8617]  __se_sys_mount+0x317/0x410
[  372.145863][ T8617]  ? __pfx___se_sys_mount+0x10/0x10
[  372.145897][ T8617]  ? rcu_is_watching+0x15/0xb0
[  372.145918][ T8617]  ? __x64_sys_mount+0x20/0xc0
[  372.145949][ T8617]  do_syscall_64+0xfa/0x3b0
[  372.145972][ T8617]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  372.145992][ T8617]  ? clear_bhb_loop+0x60/0xb0
[  372.146016][ T8617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  372.146037][ T8617] RIP: 0033:0x7f81f0b9038a
[  372.146055][ T8617] 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
[  372.146073][ T8617] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  372.146096][ T8617] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  372.146112][ T8617] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  372.146130][ T8617] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  372.146145][ T8617] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  372.146160][ T8617] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  372.146185][ T8617]  </TASK>
[  372.146206][ T8617] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  372.496739][ T8617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  372.678183][ T8627] loop2: detected capacity change from 0 to 32768
[  372.785063][ T8627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  372.822845][ T8627] CPU: 0 UID: 0 PID: 8627 Comm: syz.2.604 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  372.822872][ T8627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  372.822884][ T8627] Call Trace:
[  372.822892][ T8627]  <TASK>
[  372.822899][ T8627]  dump_stack_lvl+0x189/0x250
[  372.822928][ T8627]  ? __pfx_dump_stack_lvl+0x10/0x10
[  372.822951][ T8627]  ? __pfx__printk+0x10/0x10
[  372.822974][ T8627]  ? kernfs_root+0x1c/0x230
[  372.822996][ T8627]  ? kernfs_path_from_node+0x250/0x290
[  372.823016][ T8627]  ? kernfs_path_from_node+0x2f/0x290
[  372.823037][ T8627]  sysfs_create_dir_ns+0x259/0x280
[  372.823058][ T8627]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  372.823078][ T8627]  ? do_raw_spin_unlock+0x122/0x240
[  372.823103][ T8627]  kobject_add_internal+0x59f/0xb40
[  372.823127][ T8627]  kobject_init_and_add+0x125/0x190
[  372.823149][ T8627]  ? __pfx_kobject_init_and_add+0x10/0x10
[  372.823170][ T8627]  ? __raw_spin_lock_init+0x45/0x100
[  372.823192][ T8627]  ? __init_swait_queue_head+0xa9/0x150
[  372.823215][ T8627]  gfs2_sys_fs_add+0x234/0x450
[  372.823235][ T8627]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  372.823256][ T8627]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  372.823285][ T8627]  gfs2_fill_super+0x13c0/0x20d0
[  372.823315][ T8627]  ? __pfx_gfs2_fill_super+0x10/0x10
[  372.823341][ T8627]  ? sb_set_blocksize+0x104/0x180
[  372.823368][ T8627]  ? setup_bdev_super+0x4c1/0x5b0
[  372.823395][ T8627]  get_tree_bdev_flags+0x40b/0x4d0
[  372.823430][ T8627]  ? __pfx_gfs2_fill_super+0x10/0x10
[  372.823455][ T8627]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  372.823485][ T8627]  gfs2_get_tree+0x51/0x1e0
[  372.823528][ T8627]  vfs_get_tree+0x8f/0x2b0
[  372.823555][ T8627]  do_new_mount+0x2a2/0xa30
[  372.823586][ T8627]  ? ns_capable+0x8a/0xf0
[  372.823605][ T8627]  ? __pfx_do_new_mount+0x10/0x10
[  372.823634][ T8627]  ? path_mount+0x61c/0xfe0
[  372.823661][ T8627]  ? user_path_at+0x44/0x60
[  372.823688][ T8627]  __se_sys_mount+0x317/0x410
[  372.823721][ T8627]  ? __pfx___se_sys_mount+0x10/0x10
[  372.823753][ T8627]  ? rcu_is_watching+0x15/0xb0
[  372.823772][ T8627]  ? __x64_sys_mount+0x20/0xc0
[  372.823802][ T8627]  do_syscall_64+0xfa/0x3b0
[  372.823824][ T8627]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  372.823844][ T8627]  ? clear_bhb_loop+0x60/0xb0
[  372.823866][ T8627]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  372.823885][ T8627] RIP: 0033:0x7f9e06d9038a
[  372.823903][ T8627] 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
[  372.823921][ T8627] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  372.823942][ T8627] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  372.823957][ T8627] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  372.823972][ T8627] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  372.823986][ T8627] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  372.824000][ T8627] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  372.824022][ T8627]  </TASK>
[  372.824042][ T8627] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  373.174702][ T8627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  373.480370][ T8633] loop3: detected capacity change from 0 to 32768
[  373.499395][ T8637] loop0: detected capacity change from 0 to 32768
[  373.524815][ T8633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  373.536304][ T8633] CPU: 0 UID: 0 PID: 8633 Comm: syz.3.605 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  373.536328][ T8633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  373.536339][ T8633] Call Trace:
[  373.536347][ T8633]  <TASK>
[  373.536354][ T8633]  dump_stack_lvl+0x189/0x250
[  373.536382][ T8633]  ? __pfx_dump_stack_lvl+0x10/0x10
[  373.536403][ T8633]  ? __pfx__printk+0x10/0x10
[  373.536427][ T8633]  ? kernfs_root+0x1c/0x230
[  373.536449][ T8633]  ? kernfs_path_from_node+0x250/0x290
[  373.536468][ T8633]  ? kernfs_path_from_node+0x2f/0x290
[  373.536488][ T8633]  sysfs_create_dir_ns+0x259/0x280
[  373.536508][ T8633]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  373.536527][ T8633]  ? do_raw_spin_unlock+0x122/0x240
[  373.536551][ T8633]  kobject_add_internal+0x59f/0xb40
[  373.536575][ T8633]  kobject_init_and_add+0x125/0x190
[  373.536606][ T8633]  ? __pfx_kobject_init_and_add+0x10/0x10
[  373.536626][ T8633]  ? __raw_spin_lock_init+0x45/0x100
[  373.536647][ T8633]  ? __init_swait_queue_head+0xa9/0x150
[  373.536670][ T8633]  gfs2_sys_fs_add+0x234/0x450
[  373.536689][ T8633]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  373.536709][ T8633]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  373.536738][ T8633]  gfs2_fill_super+0x13c0/0x20d0
[  373.536768][ T8633]  ? __pfx_gfs2_fill_super+0x10/0x10
[  373.536792][ T8633]  ? sb_set_blocksize+0x104/0x180
[  373.536818][ T8633]  ? setup_bdev_super+0x4c1/0x5b0
[  373.536843][ T8633]  get_tree_bdev_flags+0x40b/0x4d0
[  373.536866][ T8633]  ? __pfx_gfs2_fill_super+0x10/0x10
[  373.536888][ T8633]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  373.536916][ T8633]  gfs2_get_tree+0x51/0x1e0
[  373.536939][ T8633]  vfs_get_tree+0x8f/0x2b0
[  373.536963][ T8633]  do_new_mount+0x2a2/0xa30
[  373.536990][ T8633]  ? ns_capable+0x8a/0xf0
[  373.537005][ T8633]  ? __pfx_do_new_mount+0x10/0x10
[  373.537026][ T8633]  ? path_mount+0x61c/0xfe0
[  373.537045][ T8633]  ? user_path_at+0x44/0x60
[  373.537064][ T8633]  __se_sys_mount+0x317/0x410
[  373.537087][ T8633]  ? __pfx___se_sys_mount+0x10/0x10
[  373.537110][ T8633]  ? rcu_is_watching+0x15/0xb0
[  373.537123][ T8633]  ? __x64_sys_mount+0x20/0xc0
[  373.537145][ T8633]  do_syscall_64+0xfa/0x3b0
[  373.537160][ T8633]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  373.537174][ T8633]  ? clear_bhb_loop+0x60/0xb0
[  373.537190][ T8633]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  373.537204][ T8633] RIP: 0033:0x7f788e79038a
[  373.537216][ T8633] 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
[  373.537229][ T8633] RSP: 002b:00007f788f5dce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  373.537244][ T8633] RAX: ffffffffffffffda RBX: 00007f788f5dcef0 RCX: 00007f788e79038a
[  373.537255][ T8633] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f788f5dceb0
[  373.537266][ T8633] RBP: 000020000001f680 R08: 00007f788f5dcef0 R09: 0000000000000084
[  373.537275][ T8633] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  373.537285][ T8633] R13: 00007f788f5dceb0 R14: 000000000001f790 R15: 00002000000001c0
[  373.537301][ T8633]  </TASK>
[  373.538421][ T8633] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  373.863742][ T8633] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  373.863866][ T8637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  373.914731][ T8637] CPU: 1 UID: 0 PID: 8637 Comm: syz.0.607 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  373.914755][ T8637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  373.914767][ T8637] Call Trace:
[  373.914774][ T8637]  <TASK>
[  373.914782][ T8637]  dump_stack_lvl+0x189/0x250
[  373.914809][ T8637]  ? __pfx_dump_stack_lvl+0x10/0x10
[  373.914830][ T8637]  ? __pfx__printk+0x10/0x10
[  373.914853][ T8637]  ? kernfs_root+0x1c/0x230
[  373.914874][ T8637]  ? kernfs_path_from_node+0x250/0x290
[  373.914893][ T8637]  ? kernfs_path_from_node+0x2f/0x290
[  373.914914][ T8637]  sysfs_create_dir_ns+0x259/0x280
[  373.914934][ T8637]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  373.914954][ T8637]  ? do_raw_spin_unlock+0x122/0x240
[  373.914978][ T8637]  kobject_add_internal+0x59f/0xb40
[  373.915003][ T8637]  kobject_init_and_add+0x125/0x190
[  373.915024][ T8637]  ? __pfx_kobject_init_and_add+0x10/0x10
[  373.915044][ T8637]  ? __raw_spin_lock_init+0x45/0x100
[  373.915066][ T8637]  ? __init_swait_queue_head+0xa9/0x150
[  373.915089][ T8637]  gfs2_sys_fs_add+0x234/0x450
[  373.915108][ T8637]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  373.915128][ T8637]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  373.915157][ T8637]  gfs2_fill_super+0x13c0/0x20d0
[  373.915186][ T8637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  373.915211][ T8637]  ? sb_set_blocksize+0x104/0x180
[  373.915237][ T8637]  ? setup_bdev_super+0x4c1/0x5b0
[  373.915262][ T8637]  get_tree_bdev_flags+0x40b/0x4d0
[  373.915286][ T8637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  373.915308][ T8637]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  373.915336][ T8637]  gfs2_get_tree+0x51/0x1e0
[  373.915441][ T8637]  vfs_get_tree+0x8f/0x2b0
[  373.915469][ T8637]  do_new_mount+0x2a2/0xa30
[  373.915502][ T8637]  ? ns_capable+0x8a/0xf0
[  373.915521][ T8637]  ? __pfx_do_new_mount+0x10/0x10
[  373.915551][ T8637]  ? path_mount+0x61c/0xfe0
[  373.915607][ T8637]  ? user_path_at+0x44/0x60
[  373.915635][ T8637]  __se_sys_mount+0x317/0x410
[  373.915669][ T8637]  ? __pfx___se_sys_mount+0x10/0x10
[  373.915702][ T8637]  ? rcu_is_watching+0x15/0xb0
[  373.915722][ T8637]  ? __x64_sys_mount+0x20/0xc0
[  373.915754][ T8637]  do_syscall_64+0xfa/0x3b0
[  373.915776][ T8637]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  373.915797][ T8637]  ? clear_bhb_loop+0x60/0xb0
[  373.915820][ T8637]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  373.915840][ T8637] RIP: 0033:0x7f6e6c79038a
[  373.915858][ T8637] 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
[  373.915876][ T8637] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  373.915898][ T8637] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  373.915913][ T8637] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  373.915928][ T8637] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  373.915942][ T8637] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  373.915956][ T8637] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  373.915978][ T8637]  </TASK>
[  373.915999][ T8637] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  374.260578][ T8637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  374.405927][ T8639] loop1: detected capacity change from 0 to 32768
[  374.415008][ T8641] loop5: detected capacity change from 0 to 32768
[  374.437622][ T8641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  374.457217][ T8639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  374.464689][ T8641] CPU: 1 UID: 0 PID: 8641 Comm: syz.5.608 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  374.464727][ T8641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  374.464739][ T8641] Call Trace:
[  374.464746][ T8641]  <TASK>
[  374.464753][ T8641]  dump_stack_lvl+0x189/0x250
[  374.464781][ T8641]  ? __pfx_dump_stack_lvl+0x10/0x10
[  374.464802][ T8641]  ? __pfx__printk+0x10/0x10
[  374.464826][ T8641]  ? kernfs_root+0x1c/0x230
[  374.464847][ T8641]  ? kernfs_path_from_node+0x250/0x290
[  374.464866][ T8641]  ? kernfs_path_from_node+0x2f/0x290
[  374.464887][ T8641]  sysfs_create_dir_ns+0x259/0x280
[  374.464906][ T8641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  374.464925][ T8641]  ? do_raw_spin_unlock+0x122/0x240
[  374.464949][ T8641]  kobject_add_internal+0x59f/0xb40
[  374.464973][ T8641]  kobject_init_and_add+0x125/0x190
[  374.464995][ T8641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  374.465015][ T8641]  ? __raw_spin_lock_init+0x45/0x100
[  374.465036][ T8641]  ? __init_swait_queue_head+0xa9/0x150
[  374.465058][ T8641]  gfs2_sys_fs_add+0x234/0x450
[  374.465076][ T8641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  374.465096][ T8641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  374.465124][ T8641]  gfs2_fill_super+0x13c0/0x20d0
[  374.465153][ T8641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  374.465177][ T8641]  ? sb_set_blocksize+0x104/0x180
[  374.465202][ T8641]  ? setup_bdev_super+0x4c1/0x5b0
[  374.465227][ T8641]  get_tree_bdev_flags+0x40b/0x4d0
[  374.465251][ T8641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  374.465274][ T8641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  374.465307][ T8641]  gfs2_get_tree+0x51/0x1e0
[  374.465330][ T8641]  vfs_get_tree+0x8f/0x2b0
[  374.465354][ T8641]  do_new_mount+0x2a2/0xa30
[  374.465382][ T8641]  ? ns_capable+0x8a/0xf0
[  374.465398][ T8641]  ? __pfx_do_new_mount+0x10/0x10
[  374.465424][ T8641]  ? path_mount+0x61c/0xfe0
[  374.465448][ T8641]  ? user_path_at+0x44/0x60
[  374.465472][ T8641]  __se_sys_mount+0x317/0x410
[  374.465500][ T8641]  ? __pfx___se_sys_mount+0x10/0x10
[  374.465529][ T8641]  ? rcu_is_watching+0x15/0xb0
[  374.465557][ T8641]  ? __x64_sys_mount+0x20/0xc0
[  374.465584][ T8641]  do_syscall_64+0xfa/0x3b0
[  374.465602][ T8641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  374.465619][ T8641]  ? clear_bhb_loop+0x60/0xb0
[  374.465639][ T8641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  374.465656][ T8641] RIP: 0033:0x7f81f0b9038a
[  374.465672][ T8641] 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
[  374.465687][ T8641] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  374.465705][ T8641] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  374.465719][ T8641] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  374.465732][ T8641] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  374.465744][ T8641] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  374.465755][ T8641] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  374.465775][ T8641]  </TASK>
[  374.465792][ T8641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  374.513211][ T8639] CPU: 0 UID: 0 PID: 8639 Comm: syz.1.606 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  374.513240][ T8639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  374.513253][ T8639] Call Trace:
[  374.513263][ T8639]  <TASK>
[  374.513272][ T8639]  dump_stack_lvl+0x189/0x250
[  374.513310][ T8639]  ? __pfx_dump_stack_lvl+0x10/0x10
[  374.513337][ T8639]  ? __pfx__printk+0x10/0x10
[  374.513363][ T8639]  ? kernfs_root+0x1c/0x230
[  374.513389][ T8639]  ? kernfs_path_from_node+0x250/0x290
[  374.513412][ T8639]  ? kernfs_path_from_node+0x2f/0x290
[  374.513437][ T8639]  sysfs_create_dir_ns+0x259/0x280
[  374.513464][ T8639]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  374.513488][ T8639]  ? do_raw_spin_unlock+0x122/0x240
[  374.513517][ T8639]  kobject_add_internal+0x59f/0xb40
[  374.513562][ T8639]  kobject_init_and_add+0x125/0x190
[  374.513590][ T8639]  ? __pfx_kobject_init_and_add+0x10/0x10
[  374.513622][ T8639]  ? __raw_spin_lock_init+0x45/0x100
[  374.513651][ T8639]  ? __init_swait_queue_head+0xa9/0x150
[  374.513680][ T8639]  gfs2_sys_fs_add+0x234/0x450
[  374.513704][ T8639]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  374.513731][ T8639]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  374.513769][ T8639]  gfs2_fill_super+0x13c0/0x20d0
2025/08/16 00:24:33 executed programs: 604
[  374.513808][ T8639]  ? __pfx_gfs2_fill_super+0x10/0x10
[  374.513841][ T8639]  ? sb_set_blocksize+0x104/0x180
[  374.513876][ T8639]  ? setup_bdev_super+0x4c1/0x5b0
[  374.513910][ T8639]  get_tree_bdev_flags+0x40b/0x4d0
[  374.513941][ T8639]  ? __pfx_gfs2_fill_super+0x10/0x10
[  374.513972][ T8639]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  374.514009][ T8639]  gfs2_get_tree+0x51/0x1e0
[  374.514039][ T8639]  vfs_get_tree+0x8f/0x2b0
[  374.514074][ T8639]  do_new_mount+0x2a2/0xa30
[  374.514109][ T8639]  ? ns_capable+0x8a/0xf0
[  374.514132][ T8639]  ? __pfx_do_new_mount+0x10/0x10
[  374.514167][ T8639]  ? path_mount+0x61c/0xfe0
[  374.514198][ T8639]  ? user_path_at+0x44/0x60
[  374.514229][ T8639]  __se_sys_mount+0x317/0x410
[  374.514267][ T8639]  ? __pfx___se_sys_mount+0x10/0x10
[  374.514313][ T8639]  ? rcu_is_watching+0x15/0xb0
[  374.514334][ T8639]  ? __x64_sys_mount+0x20/0xc0
[  374.514370][ T8639]  do_syscall_64+0xfa/0x3b0
[  374.514395][ T8639]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  374.514419][ T8639]  ? clear_bhb_loop+0x60/0xb0
[  374.514443][ T8639]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  374.514467][ T8639] RIP: 0033:0x7f639659038a
[  374.514486][ T8639] 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
[  374.514506][ T8639] RSP: 002b:00007f63973d9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  374.514531][ T8639] RAX: ffffffffffffffda RBX: 00007f63973d9ef0 RCX: 00007f639659038a
[  374.514549][ T8639] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f63973d9eb0
[  374.514564][ T8639] RBP: 000020000001f680 R08: 00007f63973d9ef0 R09: 0000000000000084
[  374.514582][ T8639] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  374.514598][ T8639] R13: 00007f63973d9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  374.514624][ T8639]  </TASK>
[  374.514855][ T8639] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  374.570129][ T8641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  374.578874][ T8639] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  374.593629][ T8643] loop2: detected capacity change from 0 to 32768
[  375.130404][ T8643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  375.139995][ T8643] CPU: 1 UID: 0 PID: 8643 Comm: syz.2.609 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  375.140019][ T8643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  375.140031][ T8643] Call Trace:
[  375.140038][ T8643]  <TASK>
[  375.140045][ T8643]  dump_stack_lvl+0x189/0x250
[  375.140073][ T8643]  ? __pfx_dump_stack_lvl+0x10/0x10
[  375.140094][ T8643]  ? __pfx__printk+0x10/0x10
[  375.140118][ T8643]  ? kernfs_root+0x1c/0x230
[  375.140139][ T8643]  ? kernfs_path_from_node+0x250/0x290
[  375.140159][ T8643]  ? kernfs_path_from_node+0x2f/0x290
[  375.140180][ T8643]  sysfs_create_dir_ns+0x259/0x280
[  375.140200][ T8643]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  375.140228][ T8643]  ? do_raw_spin_unlock+0x122/0x240
[  375.140253][ T8643]  kobject_add_internal+0x59f/0xb40
[  375.140277][ T8643]  kobject_init_and_add+0x125/0x190
[  375.140299][ T8643]  ? __pfx_kobject_init_and_add+0x10/0x10
[  375.140319][ T8643]  ? __raw_spin_lock_init+0x45/0x100
[  375.140341][ T8643]  ? __init_swait_queue_head+0xa9/0x150
[  375.140364][ T8643]  gfs2_sys_fs_add+0x234/0x450
[  375.140383][ T8643]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  375.140403][ T8643]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  375.140433][ T8643]  gfs2_fill_super+0x13c0/0x20d0
[  375.140462][ T8643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  375.140488][ T8643]  ? sb_set_blocksize+0x104/0x180
[  375.140514][ T8643]  ? setup_bdev_super+0x4c1/0x5b0
[  375.140539][ T8643]  get_tree_bdev_flags+0x40b/0x4d0
[  375.140562][ T8643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  375.140584][ T8643]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  375.140613][ T8643]  gfs2_get_tree+0x51/0x1e0
[  375.140637][ T8643]  vfs_get_tree+0x8f/0x2b0
[  375.140661][ T8643]  do_new_mount+0x2a2/0xa30
[  375.140688][ T8643]  ? ns_capable+0x8a/0xf0
[  375.140705][ T8643]  ? __pfx_do_new_mount+0x10/0x10
[  375.140729][ T8643]  ? path_mount+0x61c/0xfe0
[  375.140753][ T8643]  ? user_path_at+0x44/0x60
[  375.140777][ T8643]  __se_sys_mount+0x317/0x410
[  375.140806][ T8643]  ? __pfx___se_sys_mount+0x10/0x10
[  375.140834][ T8643]  ? rcu_is_watching+0x15/0xb0
[  375.140851][ T8643]  ? __x64_sys_mount+0x20/0xc0
[  375.140877][ T8643]  do_syscall_64+0xfa/0x3b0
[  375.140896][ T8643]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  375.140915][ T8643]  ? clear_bhb_loop+0x60/0xb0
[  375.140935][ T8643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  375.140951][ T8643] RIP: 0033:0x7f9e06d9038a
[  375.140966][ T8643] 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
[  375.140982][ T8643] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  375.141001][ T8643] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  375.141013][ T8643] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  375.141026][ T8643] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  375.141038][ T8643] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  375.141050][ T8643] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  375.141068][ T8643]  </TASK>
[  375.141085][ T8643] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  375.489392][ T8643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  375.808477][ T8649] loop3: detected capacity change from 0 to 32768
[  375.837137][ T8649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  375.885344][ T8649] CPU: 1 UID: 0 PID: 8649 Comm: syz.3.610 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  375.885384][ T8649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  375.885396][ T8649] Call Trace:
[  375.885403][ T8649]  <TASK>
[  375.885411][ T8649]  dump_stack_lvl+0x189/0x250
[  375.885438][ T8649]  ? __pfx_dump_stack_lvl+0x10/0x10
[  375.885459][ T8649]  ? __pfx__printk+0x10/0x10
[  375.885482][ T8649]  ? kernfs_root+0x1c/0x230
[  375.885504][ T8649]  ? kernfs_path_from_node+0x250/0x290
[  375.885523][ T8649]  ? kernfs_path_from_node+0x2f/0x290
[  375.885544][ T8649]  sysfs_create_dir_ns+0x259/0x280
[  375.885564][ T8649]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  375.885583][ T8649]  ? do_raw_spin_unlock+0x122/0x240
[  375.885607][ T8649]  kobject_add_internal+0x59f/0xb40
[  375.885631][ T8649]  kobject_init_and_add+0x125/0x190
[  375.885652][ T8649]  ? __pfx_kobject_init_and_add+0x10/0x10
[  375.885672][ T8649]  ? __raw_spin_lock_init+0x45/0x100
[  375.885693][ T8649]  ? __init_swait_queue_head+0xa9/0x150
[  375.885715][ T8649]  gfs2_sys_fs_add+0x234/0x450
[  375.885733][ T8649]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  375.885754][ T8649]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  375.885783][ T8649]  gfs2_fill_super+0x13c0/0x20d0
[  375.885812][ T8649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  375.885836][ T8649]  ? sb_set_blocksize+0x104/0x180
[  375.885862][ T8649]  ? setup_bdev_super+0x4c1/0x5b0
[  375.885888][ T8649]  get_tree_bdev_flags+0x40b/0x4d0
[  375.885911][ T8649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  375.885933][ T8649]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  375.885962][ T8649]  gfs2_get_tree+0x51/0x1e0
[  375.885985][ T8649]  vfs_get_tree+0x8f/0x2b0
[  375.886009][ T8649]  do_new_mount+0x2a2/0xa30
[  375.886036][ T8649]  ? ns_capable+0x8a/0xf0
[  375.886053][ T8649]  ? __pfx_do_new_mount+0x10/0x10
[  375.886078][ T8649]  ? path_mount+0x61c/0xfe0
[  375.886102][ T8649]  ? user_path_at+0x44/0x60
[  375.886125][ T8649]  __se_sys_mount+0x317/0x410
[  375.886178][ T8649]  ? __pfx___se_sys_mount+0x10/0x10
[  375.886207][ T8649]  ? rcu_is_watching+0x15/0xb0
[  375.886225][ T8649]  ? __x64_sys_mount+0x20/0xc0
[  375.886253][ T8649]  do_syscall_64+0xfa/0x3b0
[  375.886273][ T8649]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  375.886292][ T8649]  ? clear_bhb_loop+0x60/0xb0
[  375.886312][ T8649]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  375.886329][ T8649] RIP: 0033:0x7f788e79038a
[  375.886345][ T8649] 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
[  375.886361][ T8649] RSP: 002b:00007f788f5dce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  375.886380][ T8649] RAX: ffffffffffffffda RBX: 00007f788f5dcef0 RCX: 00007f788e79038a
[  375.886393][ T8649] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f788f5dceb0
[  375.886407][ T8649] RBP: 000020000001f680 R08: 00007f788f5dcef0 R09: 0000000000000084
[  375.886420][ T8649] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  375.886432][ T8649] R13: 00007f788f5dceb0 R14: 000000000001f790 R15: 00002000000001c0
[  375.886452][ T8649]  </TASK>
[  375.886469][ T8649] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  376.301418][ T8661] loop1: detected capacity change from 0 to 32768
[  376.355115][ T8649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  376.388677][ T8655] loop0: detected capacity change from 0 to 32768
[  376.408491][ T8659] loop5: detected capacity change from 0 to 32768
[  376.437503][ T8661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  376.463035][ T8655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  376.472316][ T8659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  376.499188][ T8661] CPU: 0 UID: 0 PID: 8661 Comm: syz.1.613 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  376.499213][ T8661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  376.499226][ T8661] Call Trace:
[  376.499234][ T8661]  <TASK>
[  376.499242][ T8661]  dump_stack_lvl+0x189/0x250
[  376.499270][ T8661]  ? __pfx_dump_stack_lvl+0x10/0x10
[  376.499292][ T8661]  ? __pfx__printk+0x10/0x10
[  376.499317][ T8661]  ? kernfs_root+0x1c/0x230
[  376.499340][ T8661]  ? kernfs_path_from_node+0x250/0x290
[  376.499369][ T8661]  ? kernfs_path_from_node+0x2f/0x290
[  376.499391][ T8661]  sysfs_create_dir_ns+0x259/0x280
[  376.499413][ T8661]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  376.499433][ T8661]  ? do_raw_spin_unlock+0x122/0x240
[  376.499459][ T8661]  kobject_add_internal+0x59f/0xb40
[  376.499484][ T8661]  kobject_init_and_add+0x125/0x190
[  376.499506][ T8661]  ? __pfx_kobject_init_and_add+0x10/0x10
[  376.499527][ T8661]  ? __raw_spin_lock_init+0x45/0x100
[  376.499550][ T8661]  ? __init_swait_queue_head+0xa9/0x150
[  376.499574][ T8661]  gfs2_sys_fs_add+0x234/0x450
[  376.499593][ T8661]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  376.499614][ T8661]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  376.499644][ T8661]  gfs2_fill_super+0x13c0/0x20d0
[  376.499674][ T8661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  376.499700][ T8661]  ? sb_set_blocksize+0x104/0x180
[  376.499727][ T8661]  ? setup_bdev_super+0x4c1/0x5b0
[  376.499754][ T8661]  get_tree_bdev_flags+0x40b/0x4d0
[  376.499779][ T8661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  376.499803][ T8661]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  376.499833][ T8661]  gfs2_get_tree+0x51/0x1e0
[  376.499858][ T8661]  vfs_get_tree+0x8f/0x2b0
[  376.499884][ T8661]  do_new_mount+0x2a2/0xa30
[  376.499912][ T8661]  ? ns_capable+0x8a/0xf0
[  376.499929][ T8661]  ? __pfx_do_new_mount+0x10/0x10
[  376.499955][ T8661]  ? path_mount+0x61c/0xfe0
[  376.499981][ T8661]  ? user_path_at+0x44/0x60
[  376.500005][ T8661]  __se_sys_mount+0x317/0x410
[  376.500036][ T8661]  ? __pfx___se_sys_mount+0x10/0x10
[  376.500065][ T8661]  ? rcu_is_watching+0x15/0xb0
[  376.500083][ T8661]  ? __x64_sys_mount+0x20/0xc0
[  376.500110][ T8661]  do_syscall_64+0xfa/0x3b0
[  376.500130][ T8661]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  376.500149][ T8661]  ? clear_bhb_loop+0x60/0xb0
[  376.500170][ T8661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  376.500187][ T8661] RIP: 0033:0x7f639659038a
[  376.500203][ T8661] 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
[  376.500221][ T8661] RSP: 002b:00007f63973d9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  376.500241][ T8661] RAX: ffffffffffffffda RBX: 00007f63973d9ef0 RCX: 00007f639659038a
[  376.500255][ T8661] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f63973d9eb0
[  376.500269][ T8661] RBP: 000020000001f680 R08: 00007f63973d9ef0 R09: 0000000000000084
[  376.500282][ T8661] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  376.500294][ T8661] R13: 00007f63973d9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  376.500315][ T8661]  </TASK>
[  376.500331][ T8661] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  376.508119][ T8663] loop2: detected capacity change from 0 to 32768
[  376.526607][ T8655] CPU: 0 UID: 0 PID: 8655 Comm: syz.0.611 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  376.526635][ T8655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  376.526648][ T8655] Call Trace:
[  376.526656][ T8655]  <TASK>
[  376.526665][ T8655]  dump_stack_lvl+0x189/0x250
[  376.526695][ T8655]  ? __pfx_dump_stack_lvl+0x10/0x10
[  376.526719][ T8655]  ? __pfx__printk+0x10/0x10
[  376.526744][ T8655]  ? kernfs_root+0x1c/0x230
[  376.526767][ T8655]  ? kernfs_path_from_node+0x250/0x290
[  376.526791][ T8655]  ? kernfs_path_from_node+0x2f/0x290
[  376.526815][ T8655]  sysfs_create_dir_ns+0x259/0x280
[  376.526838][ T8655]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  376.526860][ T8655]  ? do_raw_spin_unlock+0x122/0x240
[  376.526887][ T8655]  kobject_add_internal+0x59f/0xb40
[  376.526914][ T8655]  kobject_init_and_add+0x125/0x190
[  376.526938][ T8655]  ? __pfx_kobject_init_and_add+0x10/0x10
[  376.526960][ T8655]  ? __raw_spin_lock_init+0x45/0x100
[  376.526986][ T8655]  ? __init_swait_queue_head+0xa9/0x150
[  376.527010][ T8655]  gfs2_sys_fs_add+0x234/0x450
[  376.527030][ T8655]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  376.527053][ T8655]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  376.527086][ T8655]  gfs2_fill_super+0x13c0/0x20d0
[  376.527117][ T8655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  376.527143][ T8655]  ? sb_set_blocksize+0x104/0x180
[  376.527172][ T8655]  ? setup_bdev_super+0x4c1/0x5b0
[  376.527201][ T8655]  get_tree_bdev_flags+0x40b/0x4d0
[  376.527227][ T8655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  376.527254][ T8655]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  376.527283][ T8655]  gfs2_get_tree+0x51/0x1e0
[  376.527310][ T8655]  vfs_get_tree+0x8f/0x2b0
[  376.527337][ T8655]  do_new_mount+0x2a2/0xa30
[  376.527374][ T8655]  ? ns_capable+0x8a/0xf0
[  376.527392][ T8655]  ? __pfx_do_new_mount+0x10/0x10
[  376.527420][ T8655]  ? path_mount+0x61c/0xfe0
[  376.527446][ T8655]  ? user_path_at+0x44/0x60
[  376.527473][ T8655]  __se_sys_mount+0x317/0x410
[  376.527504][ T8655]  ? __pfx___se_sys_mount+0x10/0x10
[  376.527536][ T8655]  ? rcu_is_watching+0x15/0xb0
[  376.527554][ T8655]  ? __x64_sys_mount+0x20/0xc0
[  376.527584][ T8655]  do_syscall_64+0xfa/0x3b0
[  376.527606][ T8655]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  376.527624][ T8655]  ? clear_bhb_loop+0x60/0xb0
[  376.527646][ T8655]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  376.527666][ T8655] RIP: 0033:0x7f6e6c79038a
[  376.527683][ T8655] 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
[  376.527699][ T8655] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  376.527721][ T8655] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  376.527736][ T8655] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  376.527751][ T8655] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  376.527764][ T8655] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  376.527778][ T8655] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  376.527800][ T8655]  </TASK>
[  376.527818][ T8655] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  376.534767][ T8659] CPU: 1 UID: 0 PID: 8659 Comm: syz.5.612 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  376.534794][ T8659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  376.534808][ T8659] Call Trace:
[  376.534816][ T8659]  <TASK>
[  376.534824][ T8659]  dump_stack_lvl+0x189/0x250
[  376.534853][ T8659]  ? __pfx_dump_stack_lvl+0x10/0x10
[  376.534877][ T8659]  ? __pfx__printk+0x10/0x10
[  376.534903][ T8659]  ? kernfs_root+0x1c/0x230
[  376.534927][ T8659]  ? kernfs_path_from_node+0x250/0x290
[  376.534949][ T8659]  ? kernfs_path_from_node+0x2f/0x290
[  376.534972][ T8659]  sysfs_create_dir_ns+0x259/0x280
[  376.534995][ T8659]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  376.535016][ T8659]  ? do_raw_spin_unlock+0x122/0x240
[  376.535043][ T8659]  kobject_add_internal+0x59f/0xb40
[  376.535069][ T8659]  kobject_init_and_add+0x125/0x190
[  376.535093][ T8659]  ? __pfx_kobject_init_and_add+0x10/0x10
[  376.535123][ T8659]  ? __raw_spin_lock_init+0x45/0x100
[  376.535147][ T8659]  ? __init_swait_queue_head+0xa9/0x150
[  376.535173][ T8659]  gfs2_sys_fs_add+0x234/0x450
[  376.535194][ T8659]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  376.535217][ T8659]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  376.535250][ T8659]  gfs2_fill_super+0x13c0/0x20d0
[  376.535282][ T8659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  376.535309][ T8659]  ? sb_set_blocksize+0x104/0x180
[  376.535339][ T8659]  ? setup_bdev_super+0x4c1/0x5b0
[  376.535366][ T8659]  get_tree_bdev_flags+0x40b/0x4d0
[  376.535393][ T8659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  376.535418][ T8659]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  376.535450][ T8659]  gfs2_get_tree+0x51/0x1e0
[  376.535475][ T8659]  vfs_get_tree+0x8f/0x2b0
[  376.535503][ T8659]  do_new_mount+0x2a2/0xa30
[  376.535533][ T8659]  ? ns_capable+0x8a/0xf0
[  376.535551][ T8659]  ? __pfx_do_new_mount+0x10/0x10
[  376.535577][ T8659]  ? path_mount+0x61c/0xfe0
[  376.535605][ T8659]  ? user_path_at+0x44/0x60
[  376.535630][ T8659]  __se_sys_mount+0x317/0x410
[  376.535662][ T8659]  ? __pfx___se_sys_mount+0x10/0x10
[  376.535693][ T8659]  ? rcu_is_watching+0x15/0xb0
[  376.535713][ T8659]  ? __x64_sys_mount+0x20/0xc0
[  376.535741][ T8659]  do_syscall_64+0xfa/0x3b0
[  376.535764][ T8659]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  376.535784][ T8659]  ? clear_bhb_loop+0x60/0xb0
[  376.535806][ T8659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  376.535826][ T8659] RIP: 0033:0x7f81f0b9038a
[  376.535844][ T8659] 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
[  376.535861][ T8659] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  376.535882][ T8659] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  376.535897][ T8659] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  376.535911][ T8659] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  376.535924][ T8659] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  376.535938][ T8659] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  376.535960][ T8659]  </TASK>
[  376.535979][ T8659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  376.538594][ T8655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  376.542755][ T8659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  376.614870][ T8661] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  376.837375][ T8663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  377.195054][   T31] INFO: task kworker/1:1H:96 blocked for more than 143 seconds.
[  377.224797][ T8663] CPU: 1 UID: 0 PID: 8663 Comm: syz.2.614 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  377.224828][ T8663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  377.224842][ T8663] Call Trace:
[  377.224850][ T8663]  <TASK>
[  377.224859][ T8663]  dump_stack_lvl+0x189/0x250
[  377.224890][ T8663]  ? __pfx_dump_stack_lvl+0x10/0x10
[  377.224916][ T8663]  ? __pfx__printk+0x10/0x10
[  377.224941][ T8663]  ? kernfs_root+0x1c/0x230
[  377.224965][ T8663]  ? kernfs_path_from_node+0x250/0x290
[  377.224987][ T8663]  ? kernfs_path_from_node+0x2f/0x290
[  377.225010][ T8663]  sysfs_create_dir_ns+0x259/0x280
[  377.225032][ T8663]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  377.225064][ T8663]  ? do_raw_spin_unlock+0x122/0x240
[  377.225091][ T8663]  kobject_add_internal+0x59f/0xb40
[  377.225121][ T8663]  kobject_init_and_add+0x125/0x190
[  377.225146][ T8663]  ? __pfx_kobject_init_and_add+0x10/0x10
[  377.225168][ T8663]  ? __raw_spin_lock_init+0x45/0x100
[  377.225192][ T8663]  ? __init_swait_queue_head+0xa9/0x150
[  377.225218][ T8663]  gfs2_sys_fs_add+0x234/0x450
[  377.225238][ T8663]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  377.225261][ T8663]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  377.225293][ T8663]  gfs2_fill_super+0x13c0/0x20d0
[  377.225326][ T8663]  ? __pfx_gfs2_fill_super+0x10/0x10
[  377.225352][ T8663]  ? sb_set_blocksize+0x104/0x180
[  377.225382][ T8663]  ? setup_bdev_super+0x4c1/0x5b0
[  377.225411][ T8663]  get_tree_bdev_flags+0x40b/0x4d0
[  377.225437][ T8663]  ? __pfx_gfs2_fill_super+0x10/0x10
[  377.225461][ T8663]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  377.225493][ T8663]  gfs2_get_tree+0x51/0x1e0
[  377.225519][ T8663]  vfs_get_tree+0x8f/0x2b0
[  377.225546][ T8663]  do_new_mount+0x2a2/0xa30
[  377.225576][ T8663]  ? ns_capable+0x8a/0xf0
[  377.225594][ T8663]  ? __pfx_do_new_mount+0x10/0x10
[  377.225622][ T8663]  ? path_mount+0x61c/0xfe0
[  377.225648][ T8663]  ? user_path_at+0x44/0x60
[  377.225675][ T8663]  __se_sys_mount+0x317/0x410
[  377.225706][ T8663]  ? __pfx___se_sys_mount+0x10/0x10
[  377.225737][ T8663]  ? rcu_is_watching+0x15/0xb0
[  377.225756][ T8663]  ? __x64_sys_mount+0x20/0xc0
[  377.225785][ T8663]  do_syscall_64+0xfa/0x3b0
[  377.225807][ T8663]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  377.225825][ T8663]  ? clear_bhb_loop+0x60/0xb0
[  377.225847][ T8663]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  377.225866][ T8663] RIP: 0033:0x7f9e06d9038a
[  377.225884][ T8663] 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
[  377.225902][ T8663] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  377.225923][ T8663] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  377.225939][ T8663] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  377.225952][ T8663] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  377.225966][ T8663] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  377.225980][ T8663] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  377.226002][ T8663]  </TASK>
[  377.228041][ T8663] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  377.366832][   T31]       Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
[  377.827331][ T8663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  377.940990][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  377.984645][   T31] task:kworker/1:1H    state:D stack:25328 pid:96    tgid:96    ppid:2      task_flags:0x4208060 flags:0x00004000
[  378.006925][   T31] Workqueue: gfs2-glock/syz:syz glock_work_func
[  378.026145][   T31] Call Trace:
[  378.034779][   T31]  <TASK>
[  378.037729][   T31]  __schedule+0x1798/0x4cc0
[  378.062522][   T31]  ? __pfx___schedule+0x10/0x10
[  378.074374][   T31]  ? schedule+0x91/0x360
[  378.122722][   T31]  ? rcu_is_watching+0x15/0xb0
[  378.128248][   T31]  ? lock_release+0x4b/0x3e0
[  378.132868][   T31]  ? wq_worker_sleeping+0x63/0x250
[  378.168685][   T31]  schedule+0x165/0x360
[  378.172877][   T31]  io_schedule+0x80/0xd0
[  378.194661][   T31]  bit_wait_io+0x11/0xd0
[  378.225382][   T31]  __wait_on_bit_lock+0xec/0x4f0
[  378.230347][   T31]  ? __pfx_bit_wait_io+0x10/0x10
[  378.254657][   T31]  ? __pfx_bit_wait_io+0x10/0x10
[  378.259670][   T31]  out_of_line_wait_on_bit_lock+0x123/0x170
[  378.294610][   T31]  ? __pfx_out_of_line_wait_on_bit_lock+0x10/0x10
[  378.315084][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  378.320596][   T31]  block_invalidate_folio+0x376/0x730
[  378.344801][   T31]  ? shmem_mapping+0xd/0x50
[  378.350378][ T8675] loop0: detected capacity change from 0 to 32768
[  378.358706][   T31]  ? __pfx_block_invalidate_folio+0x10/0x10
[  378.365124][   T31]  ? folio_mapping+0x16f/0x240
[  378.369967][   T31]  ? __pfx_block_invalidate_folio+0x10/0x10
[  378.394727][   T31]  truncate_cleanup_folio+0x2d8/0x430
[  378.400244][   T31]  truncate_inode_pages_range+0x233/0xda0
[  378.406359][ T8675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  378.413839][   T31]  ? filemap_get_folios_tag+0xed/0x630
[  378.419740][ T8675] CPU: 1 UID: 0 PID: 8675 Comm: syz.0.615 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  378.419765][ T8675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  378.419778][ T8675] Call Trace:
[  378.419785][ T8675]  <TASK>
[  378.419793][ T8675]  dump_stack_lvl+0x189/0x250
[  378.419820][ T8675]  ? __pfx_dump_stack_lvl+0x10/0x10
[  378.419842][ T8675]  ? __pfx__printk+0x10/0x10
[  378.419866][ T8675]  ? kernfs_root+0x1c/0x230
[  378.419889][ T8675]  ? kernfs_path_from_node+0x250/0x290
[  378.419908][ T8675]  ? kernfs_path_from_node+0x2f/0x290
[  378.419931][ T8675]  sysfs_create_dir_ns+0x259/0x280
[  378.419961][ T8675]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  378.419982][ T8675]  ? do_raw_spin_unlock+0x122/0x240
[  378.420007][ T8675]  kobject_add_internal+0x59f/0xb40
[  378.420032][ T8675]  kobject_init_and_add+0x125/0x190
[  378.420055][ T8675]  ? __pfx_kobject_init_and_add+0x10/0x10
[  378.420076][ T8675]  ? __raw_spin_lock_init+0x45/0x100
[  378.420099][ T8675]  ? __init_swait_queue_head+0xa9/0x150
[  378.420123][ T8675]  gfs2_sys_fs_add+0x234/0x450
[  378.420143][ T8675]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  378.420165][ T8675]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  378.420206][ T8675]  gfs2_fill_super+0x13c0/0x20d0
[  378.420235][ T8675]  ? __pfx_gfs2_fill_super+0x10/0x10
[  378.420277][ T8675]  ? sb_set_blocksize+0x104/0x180
[  378.420305][ T8675]  ? setup_bdev_super+0x4c1/0x5b0
[  378.420332][ T8675]  get_tree_bdev_flags+0x40b/0x4d0
[  378.420358][ T8675]  ? __pfx_gfs2_fill_super+0x10/0x10
[  378.420383][ T8675]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  378.420413][ T8675]  gfs2_get_tree+0x51/0x1e0
[  378.420438][ T8675]  vfs_get_tree+0x8f/0x2b0
[  378.420465][ T8675]  do_new_mount+0x2a2/0xa30
[  378.420494][ T8675]  ? ns_capable+0x8a/0xf0
[  378.420511][ T8675]  ? __pfx_do_new_mount+0x10/0x10
[  378.420538][ T8675]  ? path_mount+0x61c/0xfe0
[  378.420563][ T8675]  ? user_path_at+0x44/0x60
[  378.420588][ T8675]  __se_sys_mount+0x317/0x410
[  378.420618][ T8675]  ? __pfx___se_sys_mount+0x10/0x10
[  378.420649][ T8675]  ? rcu_is_watching+0x15/0xb0
[  378.420667][ T8675]  ? __x64_sys_mount+0x20/0xc0
[  378.420695][ T8675]  do_syscall_64+0xfa/0x3b0
[  378.420715][ T8675]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  378.420733][ T8675]  ? clear_bhb_loop+0x60/0xb0
[  378.420754][ T8675]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  378.420773][ T8675] RIP: 0033:0x7f6e6c79038a
[  378.420790][ T8675] 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
[  378.420806][ T8675] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  378.420827][ T8675] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  378.420841][ T8675] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  378.420855][ T8675] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  378.420869][ T8675] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  378.420881][ T8675] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  378.420902][ T8675]  </TASK>
[  378.420920][ T8675] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  378.494835][   T31]  ? __pfx_truncate_inode_pages_range+0x10/0x10
[  378.525286][ T1303] ieee802154 phy0 wpan0: encryption failed: -22
[  378.564612][   T31]  ? preempt_schedule_common+0x83/0xd0
[  378.575271][ T1303] ieee802154 phy1 wpan1: encryption failed: -22
[  378.588645][ T8675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  378.622944][ T8678] loop5: detected capacity change from 0 to 32768
[  378.779501][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  378.784843][   T31]  ? do_raw_spin_lock+0x121/0x290
[  378.789945][   T31]  ? rcu_is_watching+0x15/0xb0
[  378.794780][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  378.800068][   T31]  inode_go_inval+0xf9/0x2c0
[  378.804723][   T31]  ? __pfx_inode_go_inval+0x10/0x10
[  378.810364][   T31]  do_xmote+0x4e9/0x1060
[  378.824774][   T31]  glock_work_func+0x2a8/0x580
[  378.829573][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  378.835467][ T8678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  378.844184][ T8678] CPU: 0 UID: 0 PID: 8678 Comm: syz.5.616 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  378.844211][ T8678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  378.844224][ T8678] Call Trace:
[  378.844233][ T8678]  <TASK>
[  378.844241][ T8678]  dump_stack_lvl+0x189/0x250
[  378.844270][ T8678]  ? __pfx_dump_stack_lvl+0x10/0x10
[  378.844294][ T8678]  ? __pfx__printk+0x10/0x10
[  378.844320][ T8678]  ? kernfs_root+0x1c/0x230
[  378.844344][ T8678]  ? kernfs_path_from_node+0x250/0x290
[  378.844365][ T8678]  ? kernfs_path_from_node+0x2f/0x290
[  378.844388][ T8678]  sysfs_create_dir_ns+0x259/0x280
[  378.844410][ T8678]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  378.844432][ T8678]  ? do_raw_spin_unlock+0x122/0x240
[  378.844457][ T8678]  kobject_add_internal+0x59f/0xb40
[  378.844490][ T8678]  kobject_init_and_add+0x125/0x190
[  378.844515][ T8678]  ? __pfx_kobject_init_and_add+0x10/0x10
[  378.844537][ T8678]  ? __raw_spin_lock_init+0x45/0x100
[  378.844566][ T8678]  ? __init_swait_queue_head+0xa9/0x150
[  378.844592][ T8678]  gfs2_sys_fs_add+0x234/0x450
[  378.844613][ T8678]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  378.844636][ T8678]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  378.844671][ T8678]  gfs2_fill_super+0x13c0/0x20d0
[  378.844705][ T8678]  ? __pfx_gfs2_fill_super+0x10/0x10
[  378.844733][ T8678]  ? sb_set_blocksize+0x104/0x180
[  378.844762][ T8678]  ? setup_bdev_super+0x4c1/0x5b0
[  378.844791][ T8678]  get_tree_bdev_flags+0x40b/0x4d0
[  378.844817][ T8678]  ? __pfx_gfs2_fill_super+0x10/0x10
[  378.844844][ T8678]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  378.844877][ T8678]  gfs2_get_tree+0x51/0x1e0
[  378.844903][ T8678]  vfs_get_tree+0x8f/0x2b0
[  378.845006][ T8678]  do_new_mount+0x2a2/0xa30
[  378.845039][ T8678]  ? ns_capable+0x8a/0xf0
[  378.845059][ T8678]  ? __pfx_do_new_mount+0x10/0x10
[  378.845088][ T8678]  ? path_mount+0x61c/0xfe0
[  378.845116][ T8678]  ? user_path_at+0x44/0x60
[  378.845143][ T8678]  __se_sys_mount+0x317/0x410
[  378.845183][ T8678]  ? __pfx___se_sys_mount+0x10/0x10
[  378.845216][ T8678]  ? rcu_is_watching+0x15/0xb0
[  378.845235][ T8678]  ? __x64_sys_mount+0x20/0xc0
[  378.845266][ T8678]  do_syscall_64+0xfa/0x3b0
[  378.845287][ T8678]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  378.845306][ T8678]  ? clear_bhb_loop+0x60/0xb0
[  378.845328][ T8678]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  378.845348][ T8678] RIP: 0033:0x7f81f0b9038a
[  378.845366][ T8678] 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
[  378.845384][ T8678] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  378.845405][ T8678] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  378.845421][ T8678] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  378.845436][ T8678] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  378.845450][ T8678] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  378.845463][ T8678] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  378.845485][ T8678]  </TASK>
[  379.183564][ T8681] loop1: detected capacity change from 0 to 32768
[  379.197865][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  379.203628][   T31]  process_scheduled_works+0xae1/0x17b0
[  379.204851][ T8678] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  379.209239][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  379.229095][   T31]  worker_thread+0x8a0/0xda0
[  379.233707][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  379.240116][   T31]  ? __kthread_parkme+0x7b/0x200
[  379.245178][   T31]  kthread+0x711/0x8a0
[  379.250111][   T31]  ? __pfx_worker_thread+0x10/0x10
[  379.255265][   T31]  ? __pfx_kthread+0x10/0x10
[  379.259876][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  379.265124][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  379.270333][   T31]  ? __pfx_kthread+0x10/0x10
[  379.274959][   T31]  ret_from_fork+0x3f9/0x770
[  379.279560][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  379.284728][   T31]  ? __switch_to_asm+0x39/0x70
[  379.289521][   T31]  ? __switch_to_asm+0x33/0x70
[  379.289843][ T8678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  379.294304][   T31]  ? __pfx_kthread+0x10/0x10
[  379.305594][   T31]  ret_from_fork_asm+0x1a/0x30
[  379.310381][   T31]  </TASK>
[  379.313534][   T31] INFO: task syz-executor:5988 blocked for more than 145 seconds.
[  379.322828][   T31]       Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
[  379.331688][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  379.341656][   T31] task:syz-executor    state:D stack:21512 pid:5988  tgid:5988  ppid:1      task_flags:0x400140 flags:0x00004006
[  379.355031][   T31] Call Trace:
[  379.358338][   T31]  <TASK>
[  379.361281][   T31]  __schedule+0x1798/0x4cc0
[  379.366984][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  379.373349][   T31]  ? __pfx___schedule+0x10/0x10
[  379.377397][ T8683] loop2: detected capacity change from 0 to 32768
[  379.378231][   T31]  ? schedule+0x91/0x360
[  379.388904][   T31]  ? rcu_is_watching+0x15/0xb0
[  379.393691][   T31]  ? lock_release+0x4b/0x3e0
[  379.398380][   T31]  ? rcu_is_watching+0x15/0xb0
[  379.403177][   T31]  schedule+0x165/0x360
[  379.407373][ T8681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  379.407392][ T8681] CPU: 1 UID: 0 PID: 8681 Comm: syz.1.618 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  379.407414][ T8681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  379.407425][ T8681] Call Trace:
[  379.407432][ T8681]  <TASK>
[  379.407439][ T8681]  dump_stack_lvl+0x189/0x250
[  379.407463][ T8681]  ? __pfx_dump_stack_lvl+0x10/0x10
[  379.407486][ T8681]  ? __pfx__printk+0x10/0x10
[  379.407512][ T8681]  ? kernfs_root+0x1c/0x230
[  379.407536][ T8681]  ? kernfs_path_from_node+0x250/0x290
[  379.407557][ T8681]  ? kernfs_path_from_node+0x2f/0x290
[  379.407582][ T8681]  sysfs_create_dir_ns+0x259/0x280
[  379.407603][ T8681]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  379.407625][ T8681]  ? do_raw_spin_unlock+0x122/0x240
[  379.407652][ T8681]  kobject_add_internal+0x59f/0xb40
[  379.407677][ T8681]  kobject_init_and_add+0x125/0x190
[  379.407701][ T8681]  ? __pfx_kobject_init_and_add+0x10/0x10
[  379.407723][ T8681]  ? __raw_spin_lock_init+0x45/0x100
[  379.407747][ T8681]  ? __init_swait_queue_head+0xa9/0x150
[  379.407772][ T8681]  gfs2_sys_fs_add+0x234/0x450
[  379.407791][ T8681]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  379.407814][ T8681]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  379.407846][ T8681]  gfs2_fill_super+0x13c0/0x20d0
[  379.407878][ T8681]  ? __pfx_gfs2_fill_super+0x10/0x10
[  379.407905][ T8681]  ? sb_set_blocksize+0x104/0x180
[  379.407934][ T8681]  ? setup_bdev_super+0x4c1/0x5b0
[  379.407962][ T8681]  get_tree_bdev_flags+0x40b/0x4d0
[  379.407989][ T8681]  ? __pfx_gfs2_fill_super+0x10/0x10
[  379.408014][ T8681]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  379.408045][ T8681]  gfs2_get_tree+0x51/0x1e0
[  379.408070][ T8681]  vfs_get_tree+0x8f/0x2b0
[  379.408096][ T8681]  do_new_mount+0x2a2/0xa30
[  379.408134][ T8681]  ? ns_capable+0x8a/0xf0
[  379.408153][ T8681]  ? __pfx_do_new_mount+0x10/0x10
[  379.408181][ T8681]  ? path_mount+0x61c/0xfe0
[  379.408206][ T8681]  ? user_path_at+0x44/0x60
[  379.408233][ T8681]  __se_sys_mount+0x317/0x410
[  379.408264][ T8681]  ? __pfx___se_sys_mount+0x10/0x10
[  379.408295][ T8681]  ? rcu_is_watching+0x15/0xb0
[  379.408314][ T8681]  ? __x64_sys_mount+0x20/0xc0
[  379.408344][ T8681]  do_syscall_64+0xfa/0x3b0
[  379.408365][ T8681]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  379.408385][ T8681]  ? clear_bhb_loop+0x60/0xb0
[  379.408408][ T8681]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  379.408427][ T8681] RIP: 0033:0x7f639659038a
[  379.408444][ T8681] 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
[  379.408461][ T8681] RSP: 002b:00007f63973d9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  379.408483][ T8681] RAX: ffffffffffffffda RBX: 00007f63973d9ef0 RCX: 00007f639659038a
[  379.408499][ T8681] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f63973d9eb0
[  379.408513][ T8681] RBP: 000020000001f680 R08: 00007f63973d9ef0 R09: 0000000000000084
[  379.408527][ T8681] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  379.408541][ T8681] R13: 00007f63973d9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  379.408562][ T8681]  </TASK>
[  379.408581][ T8681] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  379.414861][   T31]  io_schedule+0x80/0xd0
[  379.672318][ T8683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  379.684628][ T8681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  379.704116][ T8683] CPU: 1 UID: 0 PID: 8683 Comm: syz.2.619 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  379.704150][ T8683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  379.704166][ T8683] Call Trace:
[  379.704176][ T8683]  <TASK>
[  379.704186][ T8683]  dump_stack_lvl+0x189/0x250
[  379.704222][ T8683]  ? __pfx_dump_stack_lvl+0x10/0x10
[  379.704249][ T8683]  ? __pfx__printk+0x10/0x10
[  379.704281][ T8683]  ? kernfs_root+0x1c/0x230
[  379.704309][ T8683]  ? kernfs_path_from_node+0x250/0x290
[  379.704335][ T8683]  ? kernfs_path_from_node+0x2f/0x290
[  379.704362][ T8683]  sysfs_create_dir_ns+0x259/0x280
[  379.704388][ T8683]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  379.704412][ T8683]  ? do_raw_spin_unlock+0x122/0x240
[  379.704444][ T8683]  kobject_add_internal+0x59f/0xb40
[  379.704477][ T8683]  kobject_init_and_add+0x125/0x190
[  379.704504][ T8683]  ? __pfx_kobject_init_and_add+0x10/0x10
[  379.704531][ T8683]  ? __raw_spin_lock_init+0x45/0x100
[  379.704558][ T8683]  ? __init_swait_queue_head+0xa9/0x150
[  379.704591][ T8683]  gfs2_sys_fs_add+0x234/0x450
[  379.704616][ T8683]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  379.704643][ T8683]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  379.704681][ T8683]  gfs2_fill_super+0x13c0/0x20d0
[  379.704740][ T8683]  ? __pfx_gfs2_fill_super+0x10/0x10
[  379.704768][ T8683]  ? sb_set_blocksize+0x104/0x180
[  379.704797][ T8683]  ? setup_bdev_super+0x4c1/0x5b0
[  379.704826][ T8683]  get_tree_bdev_flags+0x40b/0x4d0
[  379.704859][ T8683]  ? __pfx_gfs2_fill_super+0x10/0x10
[  379.704885][ T8683]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  379.704917][ T8683]  gfs2_get_tree+0x51/0x1e0
[  379.704942][ T8683]  vfs_get_tree+0x8f/0x2b0
[  379.704970][ T8683]  do_new_mount+0x2a2/0xa30
[  379.704999][ T8683]  ? ns_capable+0x8a/0xf0
[  379.705018][ T8683]  ? __pfx_do_new_mount+0x10/0x10
[  379.705045][ T8683]  ? path_mount+0x61c/0xfe0
[  379.705070][ T8683]  ? user_path_at+0x44/0x60
[  379.705096][ T8683]  __se_sys_mount+0x317/0x410
[  379.705128][ T8683]  ? __pfx___se_sys_mount+0x10/0x10
[  379.705160][ T8683]  ? rcu_is_watching+0x15/0xb0
[  379.705178][ T8683]  ? __x64_sys_mount+0x20/0xc0
[  379.705208][ T8683]  do_syscall_64+0xfa/0x3b0
[  379.705228][ T8683]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  379.705248][ T8683]  ? clear_bhb_loop+0x60/0xb0
[  379.705269][ T8683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  379.705289][ T8683] RIP: 0033:0x7f9e06d9038a
[  379.705306][ T8683] 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
[  379.705323][ T8683] RSP: 002b:00007f9e07be8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  379.705345][ T8683] RAX: ffffffffffffffda RBX: 00007f9e07be8ef0 RCX: 00007f9e06d9038a
[  379.705360][ T8683] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9e07be8eb0
[  379.705375][ T8683] RBP: 000020000001f680 R08: 00007f9e07be8ef0 R09: 0000000000000084
[  379.705387][ T8683] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  379.705401][ T8683] R13: 00007f9e07be8eb0 R14: 000000000001f790 R15: 00002000000001c0
[  379.705423][ T8683]  </TASK>
[  379.707222][ T8683] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  379.820376][   T31]  bit_wait_io+0x11/0xd0
[  379.901383][ T8679] loop3: detected capacity change from 0 to 32768
[  379.934827][ T8683] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  380.102973][   T31]  __wait_on_bit+0xb9/0x310
[  380.109240][   T31]  ? __pfx_bit_wait_io+0x10/0x10
[  380.109470][ T8679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  380.114214][   T31]  ? __pfx_bit_wait_io+0x10/0x10
[  380.164839][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  380.171274][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  380.187719][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  380.193222][   T31]  ? _raw_spin_unlock+0x28/0x50
2025/08/16 00:24:38 executed programs: 615
[  380.212988][ T8679] CPU: 1 UID: 0 PID: 8679 Comm: syz.3.617 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  380.213015][ T8679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  380.213028][ T8679] Call Trace:
[  380.213036][ T8679]  <TASK>
[  380.213044][ T8679]  dump_stack_lvl+0x189/0x250
[  380.213080][ T8679]  ? __pfx_dump_stack_lvl+0x10/0x10
[  380.213104][ T8679]  ? __pfx__printk+0x10/0x10
[  380.213148][ T8679]  ? kernfs_root+0x1c/0x230
[  380.213174][ T8679]  ? kernfs_path_from_node+0x250/0x290
[  380.213196][ T8679]  ? kernfs_path_from_node+0x2f/0x290
[  380.213221][ T8679]  sysfs_create_dir_ns+0x259/0x280
[  380.213244][ T8679]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  380.213267][ T8679]  ? do_raw_spin_unlock+0x122/0x240
[  380.213295][ T8679]  kobject_add_internal+0x59f/0xb40
[  380.213323][ T8679]  kobject_init_and_add+0x125/0x190
[  380.213349][ T8679]  ? __pfx_kobject_init_and_add+0x10/0x10
[  380.213373][ T8679]  ? __raw_spin_lock_init+0x45/0x100
[  380.213398][ T8679]  ? __init_swait_queue_head+0xa9/0x150
[  380.213424][ T8679]  gfs2_sys_fs_add+0x234/0x450
[  380.213446][ T8679]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  380.213470][ T8679]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  380.213504][ T8679]  gfs2_fill_super+0x13c0/0x20d0
[  380.213539][ T8679]  ? __pfx_gfs2_fill_super+0x10/0x10
[  380.213568][ T8679]  ? sb_set_blocksize+0x104/0x180
[  380.213599][ T8679]  ? setup_bdev_super+0x4c1/0x5b0
[  380.213629][ T8679]  get_tree_bdev_flags+0x40b/0x4d0
[  380.213657][ T8679]  ? __pfx_gfs2_fill_super+0x10/0x10
[  380.213684][ T8679]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  380.213717][ T8679]  gfs2_get_tree+0x51/0x1e0
[  380.213746][ T8679]  vfs_get_tree+0x8f/0x2b0
[  380.213775][ T8679]  do_new_mount+0x2a2/0xa30
[  380.213814][ T8679]  ? ns_capable+0x8a/0xf0
[  380.213835][ T8679]  ? __pfx_do_new_mount+0x10/0x10
[  380.213865][ T8679]  ? path_mount+0x61c/0xfe0
[  380.213893][ T8679]  ? user_path_at+0x44/0x60
[  380.213920][ T8679]  __se_sys_mount+0x317/0x410
[  380.213955][ T8679]  ? __pfx___se_sys_mount+0x10/0x10
[  380.213988][ T8679]  ? rcu_is_watching+0x15/0xb0
[  380.214008][ T8679]  ? __x64_sys_mount+0x20/0xc0
[  380.214040][ T8679]  do_syscall_64+0xfa/0x3b0
[  380.214069][ T8679]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  380.214090][ T8679]  ? clear_bhb_loop+0x60/0xb0
[  380.214113][ T8679]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  380.214133][ T8679] RIP: 0033:0x7f788e79038a
[  380.214152][ T8679] 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
[  380.214171][ T8679] RSP: 002b:00007f788f5dce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  380.214193][ T8679] RAX: ffffffffffffffda RBX: 00007f788f5dcef0 RCX: 00007f788e79038a
[  380.214209][ T8679] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f788f5dceb0
[  380.214223][ T8679] RBP: 000020000001f680 R08: 00007f788f5dcef0 R09: 0000000000000084
[  380.214237][ T8679] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  380.214251][ T8679] R13: 00007f788f5dceb0 R14: 000000000001f790 R15: 00002000000001c0
[  380.214273][ T8679]  </TASK>
[  380.214294][ T8679] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  380.454782][   T31]  ? glock_clear_object+0x6a/0xe0
[  380.690101][   T31]  gfs2_evict_inode+0xa73/0x1000
[  380.704668][ T8679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  380.713490][   T31]  ? inode_wait_for_writeback+0xf9/0x290
[  380.789519][   T31]  ? __pfx_gfs2_evict_inode+0x10/0x10
[  380.804737][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  380.820190][   T31]  ? __pfx_gfs2_evict_inode+0x10/0x10
[  380.834619][   T31]  evict+0x501/0x9c0
[  380.838572][   T31]  ? lock_acquire+0x5f/0x360
[  380.863456][   T31]  ? __pfx_evict+0x10/0x10
[  380.873564][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  380.893814][   T31]  ? _raw_spin_unlock+0x28/0x50
[  380.914005][   T31]  ? iput+0x6d8/0x9d0
[  380.924103][   T31]  gfs2_put_super+0x3cd/0x950
[  380.944397][   T31]  ? __pfx_gfs2_put_super+0x10/0x10
[  380.954491][   T31]  generic_shutdown_super+0x132/0x2c0
[  380.979795][   T31]  kill_block_super+0x44/0x90
[  380.984523][   T31]  deactivate_locked_super+0xbc/0x130
[  380.994086][   T31]  cleanup_mnt+0x425/0x4c0
[  381.008461][   T31]  task_work_run+0x1d4/0x260
[  381.030070][   T31]  ? __pfx_task_work_run+0x10/0x10
[  381.056342][   T31]  ? __x64_sys_umount+0x122/0x160
[  381.061409][   T31]  ? __pfx___x64_sys_umount+0x10/0x10
[  381.070028][ T8694] loop5: detected capacity change from 0 to 32768
[  381.075696][   T31]  ? rcu_is_watching+0x15/0xb0
[  381.085765][ T8695] loop0: detected capacity change from 0 to 32768
[  381.090689][   T31]  exit_to_user_mode_loop+0xec/0x110
[  381.110545][ T8695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.124155][   T31]  do_syscall_64+0x2bd/0x3b0
[  381.138661][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  381.144852][ T8694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.152784][   T31]  ? clear_bhb_loop+0x60/0xb0
[  381.157631][ T8694] CPU: 0 UID: 0 PID: 8694 Comm: syz.5.621 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  381.157655][ T8694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  381.157667][ T8694] Call Trace:
[  381.157674][ T8694]  <TASK>
[  381.157682][ T8694]  dump_stack_lvl+0x189/0x250
[  381.157707][ T8694]  ? __pfx_dump_stack_lvl+0x10/0x10
[  381.157735][ T8694]  ? __pfx__printk+0x10/0x10
[  381.157758][ T8694]  ? kernfs_root+0x1c/0x230
[  381.157779][ T8694]  ? kernfs_path_from_node+0x250/0x290
[  381.157798][ T8694]  ? kernfs_path_from_node+0x2f/0x290
[  381.157818][ T8694]  sysfs_create_dir_ns+0x259/0x280
[  381.157839][ T8694]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  381.157858][ T8694]  ? do_raw_spin_unlock+0x122/0x240
[  381.157881][ T8694]  kobject_add_internal+0x59f/0xb40
[  381.157905][ T8694]  kobject_init_and_add+0x125/0x190
[  381.157926][ T8694]  ? __pfx_kobject_init_and_add+0x10/0x10
[  381.157946][ T8694]  ? __raw_spin_lock_init+0x45/0x100
[  381.157968][ T8694]  ? __init_swait_queue_head+0xa9/0x150
[  381.157989][ T8694]  gfs2_sys_fs_add+0x234/0x450
[  381.158008][ T8694]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  381.158029][ T8694]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  381.158058][ T8694]  gfs2_fill_super+0x13c0/0x20d0
[  381.158087][ T8694]  ? __pfx_gfs2_fill_super+0x10/0x10
[  381.158111][ T8694]  ? sb_set_blocksize+0x104/0x180
[  381.158137][ T8694]  ? setup_bdev_super+0x4c1/0x5b0
[  381.158164][ T8694]  get_tree_bdev_flags+0x40b/0x4d0
[  381.158189][ T8694]  ? __pfx_gfs2_fill_super+0x10/0x10
[  381.158211][ T8694]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  381.158239][ T8694]  gfs2_get_tree+0x51/0x1e0
[  381.158261][ T8694]  vfs_get_tree+0x8f/0x2b0
[  381.158286][ T8694]  do_new_mount+0x2a2/0xa30
[  381.158313][ T8694]  ? ns_capable+0x8a/0xf0
[  381.158330][ T8694]  ? __pfx_do_new_mount+0x10/0x10
[  381.158354][ T8694]  ? path_mount+0x61c/0xfe0
[  381.158377][ T8694]  ? user_path_at+0x44/0x60
[  381.158400][ T8694]  __se_sys_mount+0x317/0x410
[  381.158427][ T8694]  ? __pfx___se_sys_mount+0x10/0x10
[  381.158455][ T8694]  ? rcu_is_watching+0x15/0xb0
[  381.158471][ T8694]  ? __x64_sys_mount+0x20/0xc0
[  381.158497][ T8694]  do_syscall_64+0xfa/0x3b0
[  381.158515][ T8694]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  381.158532][ T8694]  ? clear_bhb_loop+0x60/0xb0
[  381.158550][ T8694]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  381.158567][ T8694] RIP: 0033:0x7f81f0b9038a
[  381.158581][ T8694] 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
[  381.158597][ T8694] RSP: 002b:00007f81f19eee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  381.158615][ T8694] RAX: ffffffffffffffda RBX: 00007f81f19eeef0 RCX: 00007f81f0b9038a
[  381.158629][ T8694] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f81f19eeeb0
[  381.158641][ T8694] RBP: 000020000001f680 R08: 00007f81f19eeef0 R09: 0000000000000084
[  381.158653][ T8694] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  381.158664][ T8694] R13: 00007f81f19eeeb0 R14: 000000000001f790 R15: 00002000000001c0
[  381.158682][ T8694]  </TASK>
[  381.158705][ T8694] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  381.302516][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  381.314762][ T8695] CPU: 0 UID: 0 PID: 8695 Comm: syz.0.620 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  381.314794][ T8695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  381.314810][ T8695] Call Trace:
[  381.314819][ T8695]  <TASK>
[  381.314829][ T8695]  dump_stack_lvl+0x189/0x250
[  381.314863][ T8695]  ? __pfx_dump_stack_lvl+0x10/0x10
[  381.314889][ T8695]  ? __pfx__printk+0x10/0x10
[  381.314918][ T8695]  ? kernfs_root+0x1c/0x230
[  381.314946][ T8695]  ? kernfs_path_from_node+0x250/0x290
[  381.314971][ T8695]  ? kernfs_path_from_node+0x2f/0x290
[  381.314997][ T8695]  sysfs_create_dir_ns+0x259/0x280
[  381.315023][ T8695]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  381.315049][ T8695]  ? do_raw_spin_unlock+0x122/0x240
[  381.315079][ T8695]  kobject_add_internal+0x59f/0xb40
[  381.315113][ T8695]  kobject_init_and_add+0x125/0x190
[  381.315140][ T8695]  ? __pfx_kobject_init_and_add+0x10/0x10
[  381.315165][ T8695]  ? __raw_spin_lock_init+0x45/0x100
[  381.315193][ T8695]  ? __init_swait_queue_head+0xa9/0x150
[  381.315222][ T8695]  gfs2_sys_fs_add+0x234/0x450
[  381.315245][ T8695]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  381.315271][ T8695]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  381.315309][ T8695]  gfs2_fill_super+0x13c0/0x20d0
[  381.315346][ T8695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  381.315378][ T8695]  ? sb_set_blocksize+0x104/0x180
[  381.315410][ T8695]  ? setup_bdev_super+0x4c1/0x5b0
[  381.315443][ T8695]  get_tree_bdev_flags+0x40b/0x4d0
[  381.315475][ T8695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  381.315504][ T8695]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  381.315540][ T8695]  gfs2_get_tree+0x51/0x1e0
[  381.315570][ T8695]  vfs_get_tree+0x8f/0x2b0
[  381.315600][ T8695]  do_new_mount+0x2a2/0xa30
[  381.315635][ T8695]  ? ns_capable+0x8a/0xf0
[  381.315657][ T8695]  ? __pfx_do_new_mount+0x10/0x10
[  381.315687][ T8695]  ? path_mount+0x61c/0xfe0
[  381.315727][ T8695]  ? user_path_at+0x44/0x60
[  381.315756][ T8695]  __se_sys_mount+0x317/0x410
[  381.315792][ T8695]  ? __pfx___se_sys_mount+0x10/0x10
[  381.315837][ T8695]  ? rcu_is_watching+0x15/0xb0
[  381.315858][ T8695]  ? __x64_sys_mount+0x20/0xc0
[  381.315892][ T8695]  do_syscall_64+0xfa/0x3b0
[  381.315916][ T8695]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  381.315938][ T8695]  ? clear_bhb_loop+0x60/0xb0
[  381.315963][ T8695]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  381.315984][ T8695] RIP: 0033:0x7f6e6c79038a
[  381.316004][ T8695] 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
[  381.316025][ T8695] RSP: 002b:00007f6e6bdfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  381.316048][ T8695] RAX: ffffffffffffffda RBX: 00007f6e6bdfdef0 RCX: 00007f6e6c79038a
[  381.316065][ T8695] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f6e6bdfdeb0
[  381.316081][ T8695] RBP: 000020000001f680 R08: 00007f6e6bdfdef0 R09: 0000000000000084
[  381.316097][ T8695] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  381.316113][ T8695] R13: 00007f6e6bdfdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  381.316137][ T8695]  </TASK>
[  381.316159][ T8695] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  381.444789][ T8694] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  381.452404][   T31] RIP: 0033:0x7f5ce978ff17
[  381.527460][ T8695] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  381.564898][   T31] RSP: 002b:00007ffef533d8a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  381.830969][   T31] RAX: 0000000000000000 RBX: 00007f5ce9811c05 RCX: 00007f5ce978ff17
[  381.838987][   T31] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffef533d960
[  381.847004][   T31] RBP: 00007ffef533d960 R08: 0000000000000000 R09: 0000000000000000
[  381.855066][   T31] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffef533e9f0
[  381.863056][   T31] R13: 00007f5ce9811c05 R14: 00000000000347f6 R15: 00007ffef533ea30
[  381.871114][   T31]  </TASK>
[  381.874229][   T31] INFO: lockdep is turned off.
[  381.879050][   T31] NMI backtrace for cpu 0
[  381.879065][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  381.879086][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  381.879098][   T31] Call Trace:
[  381.879105][   T31]  <TASK>
[  381.879112][   T31]  dump_stack_lvl+0x189/0x250
[  381.879139][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  381.879160][   T31]  ? __pfx__printk+0x10/0x10
[  381.879189][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  381.879214][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  381.879239][   T31]  ? __pfx__printk+0x10/0x10
[  381.879263][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  381.879292][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  381.879318][   T31]  watchdog+0xf60/0xfa0
[  381.879344][   T31]  ? watchdog+0x1e2/0xfa0
[  381.879369][   T31]  kthread+0x711/0x8a0
[  381.879392][   T31]  ? __pfx_watchdog+0x10/0x10
[  381.879415][   T31]  ? __pfx_kthread+0x10/0x10
[  381.879437][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  381.879463][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  381.879477][   T31]  ? __pfx_kthread+0x10/0x10
[  381.879498][   T31]  ret_from_fork+0x3f9/0x770
[  381.879517][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  381.879537][   T31]  ? __switch_to_asm+0x39/0x70
[  381.879559][   T31]  ? __switch_to_asm+0x33/0x70
[  381.879581][   T31]  ? __pfx_kthread+0x10/0x10
[  381.879602][   T31]  ret_from_fork_asm+0x1a/0x30
[  381.879631][   T31]  </TASK>
[  381.879638][   T31] Sending NMI from CPU 0 to CPUs 1:
[  382.030642][    C1] NMI backtrace for cpu 1
[  382.030657][    C1] CPU: 1 UID: 0 PID: 8703 Comm: syz.3.624 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  382.030681][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  382.030691][    C1] RIP: 0010:pvclock_clocksource_read_nowd+0x2f/0xf0
[  382.030720][    C1] Code: 41 57 41 56 41 54 53 50 8b 2f eb 2e 41 89 de 80 fb 40 73 56 44 89 f1 48 d3 e0 83 e5 fe 4c 89 3c 24 48 f7 24 24 48 0f ac d0 20 <48> 8b 4f 10 0f b6 57 1d 8b 37 39 f5 89 f5 74 70 0f 01 f9 66 90 48
[  382.030734][    C1] RSP: 0018:ffffc9000eb4f350 EFLAGS: 00000202
[  382.030747][    C1] RAX: 00000059f1dd44a1 RBX: 0000000000000001 RCX: 0000000000000001
[  382.030757][    C1] RDX: 0000000000000059 RSI: 0000000000000000 RDI: ffffffff92a75040
[  382.030767][    C1] RBP: 0000000000000006 R08: ffffea00014e9c77 R09: 1ffffd400029d38e
[  382.030778][    C1] R10: dffffc0000000000 R11: fffff9400029d38f R12: dffffc0000000000
[  382.030789][    C1] R13: ffffea00014e9c00 R14: ffffea00014e9c40 R15: 00000000e8ba357a
[  382.030800][    C1] FS:  00007f788f5dd6c0(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
[  382.030813][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  382.030823][    C1] CR2: 00007fde6a949000 CR3: 000000007a00a000 CR4: 00000000003526f0
[  382.030836][    C1] Call Trace:
[  382.030842][    C1]  <TASK>
[  382.030850][    C1]  kvm_sched_clock_read+0x11/0x20
[  382.030873][    C1]  local_clock_noinstr+0xc/0xe0
[  382.030887][    C1]  local_clock+0x10/0x30
[  382.030908][    C1]  __reset_page_owner+0x1d/0x1f0
[  382.030929][    C1]  free_unref_folios+0xdbd/0x1520
[  382.030956][    C1]  ? folios_put_refs+0x299/0x640
[  382.030973][    C1]  folios_put_refs+0x559/0x640
[  382.030993][    C1]  ? __pfx_folios_put_refs+0x10/0x10
[  382.031011][    C1]  ? free_swap_cache+0x109/0x300
[  382.031028][    C1]  free_pages_and_swap_cache+0x277/0x520
[  382.031043][    C1]  ? lock_release+0x4b/0x3e0
[  382.031066][    C1]  ? __pfx_free_pages_and_swap_cache+0x10/0x10
[  382.031081][    C1]  ? __virt_addr_valid+0x1c8/0x5c0
[  382.031110][    C1]  ? __pfx_call_rcu+0x10/0x10
[  382.031131][    C1]  ? tlb_table_flush+0x36d/0x410
[  382.031145][    C1]  ? __pfx_free_pgtables+0x10/0x10
[  382.031160][    C1]  tlb_flush_mmu+0x3a0/0x680
[  382.031176][    C1]  tlb_finish_mmu+0xc3/0x1d0
[  382.031191][    C1]  vms_clear_ptes+0x42c/0x540
[  382.031212][    C1]  ? __pfx_vms_clear_ptes+0x10/0x10
[  382.031235][    C1]  ? __pfx_mas_store_gfp+0x10/0x10
[  382.031258][    C1]  vms_complete_munmap_vmas+0x206/0x8a0
[  382.031277][    C1]  ? __mas_set_range+0x12f/0x3c0
[  382.031297][    C1]  do_vmi_align_munmap+0x358/0x420
[  382.031319][    C1]  ? __pfx_do_vmi_align_munmap+0x10/0x10
[  382.031345][    C1]  do_vmi_munmap+0x253/0x2e0
[  382.031363][    C1]  __vm_munmap+0x23b/0x3d0
[  382.031382][    C1]  ? __pfx___vm_munmap+0x10/0x10
[  382.031404][    C1]  ? rcu_is_watching+0x15/0xb0
[  382.031420][    C1]  __x64_sys_munmap+0x60/0x70
[  382.031441][    C1]  do_syscall_64+0xfa/0x3b0
[  382.031457][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  382.031472][    C1]  ? clear_bhb_loop+0x60/0xb0
[  382.031488][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  382.031503][    C1] RIP: 0033:0x7f788e78ec77
[  382.031515][    C1] Code: 00 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 0b 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
[  382.031528][    C1] RSP: 002b:00007f788f5dce18 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[  382.031543][    C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f788e78ec77
[  382.031554][    C1] RDX: 0000000000000000 RSI: 0000000008400000 RDI: 00007f7885800000
[  382.031564][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[  382.031574][    C1] R10: 000020000005e5c2 R11: 0000000000000246 R12: 0000000000000003
[  382.031584][    C1] R13: 00007f788f5dcef0 R14: 00007f788f5dceb0 R15: 00007f7885800000
[  382.031600][    C1]  </TASK>
[  382.090266][ T8699] loop1: detected capacity change from 0 to 32768
[  382.192565][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  382.192591][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  382.192616][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  382.192630][   T31] Call Trace:
[  382.192640][   T31]  <TASK>
[  382.192649][   T31]  dump_stack_lvl+0x99/0x250
[  382.192678][   T31]  ? __asan_memcpy+0x40/0x70
[  382.192703][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  382.192726][   T31]  ? __pfx__printk+0x10/0x10
[  382.192759][   T31]  vpanic+0x281/0x750
[  382.192783][   T31]  ? __pfx_vpanic+0x10/0x10
[  382.192806][   T31]  ? rcu_is_watching+0x15/0xb0
[  382.192826][   T31]  ? preempt_schedule+0xae/0xc0
[  382.192857][   T31]  ? preempt_schedule_common+0x83/0xd0
[  382.192889][   T31]  panic+0xb9/0xc0
[  382.192916][   T31]  ? __pfx_panic+0x10/0x10
[  382.192939][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  382.192961][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  382.192992][   T31]  watchdog+0xf9f/0xfa0
[  382.193022][   T31]  ? watchdog+0x1e2/0xfa0
[  382.193050][   T31]  kthread+0x711/0x8a0
[  382.193077][   T31]  ? __pfx_watchdog+0x10/0x10
[  382.193103][   T31]  ? __pfx_kthread+0x10/0x10
[  382.193127][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  382.193157][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  382.193174][   T31]  ? __pfx_kthread+0x10/0x10
[  382.193200][   T31]  ret_from_fork+0x3f9/0x770
[  382.193221][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  382.193244][   T31]  ? __switch_to_asm+0x39/0x70
[  382.193271][   T31]  ? __switch_to_asm+0x33/0x70
[  382.193296][   T31]  ? __pfx_kthread+0x10/0x10
[  382.193321][   T31]  ret_from_fork_asm+0x1a/0x30
[  382.193354][   T31]  </TASK>
[  382.197534][   T31] Kernel Offset: disabled