[ T6521]  ? __init_swait_queue_head+0xa9/0x150
[  212.721922][ T6521]  gfs2_sys_fs_add+0x234/0x450
[  212.721952][ T6521]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.721986][ T6521]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.722016][ T6521]  gfs2_fill_super+0x13c0/0x20d0
[  212.722045][ T6521]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.722081][ T6521]  ? sb_set_blocksize+0x104/0x180
[  212.722108][ T6521]  ? setup_bdev_super+0x4c1/0x5b0
[  212.722134][ T6521]  get_tree_bdev_flags+0x40e/0x4d0
[  212.722158][ T6521]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.722181][ T6521]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.722211][ T6521]  gfs2_get_tree+0x51/0x1e0
[  212.722234][ T6521]  vfs_get_tree+0x92/0x2b0
[  212.722259][ T6521]  do_new_mount+0x2a2/0xa30
[  212.722287][ T6521]  ? ns_capable+0x8a/0xf0
[  212.722316][ T6521]  ? __pfx_do_new_mount+0x10/0x10
[  212.722342][ T6521]  ? path_mount+0x61c/0xfe0
[  212.722366][ T6521]  ? user_path_at+0x44/0x60
[  212.722389][ T6521]  __se_sys_mount+0x317/0x410
[  212.722418][ T6521]  ? __pfx___se_sys_mount+0x10/0x10
[  212.722447][ T6521]  ? rcu_is_watching+0x15/0xb0
[  212.722476][ T6521]  ? __x64_sys_mount+0x20/0xc0
[  212.722503][ T6521]  do_syscall_64+0xfa/0xfa0
[  212.722528][ T6521]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.722549][ T6521]  ? clear_bhb_loop+0x60/0xb0
[  212.722572][ T6521]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.722592][ T6521] RIP: 0033:0x7fc51ad9038a
[  212.722612][ T6521] 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
[  212.722630][ T6521] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.722653][ T6521] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  212.722669][ T6521] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  212.722684][ T6521] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  212.722699][ T6521] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  212.722713][ T6521] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  212.722737][ T6521]  </TASK>
[  212.722758][ T6521] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.037484][ T6521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.422500][ T6524] loop1: detected capacity change from 0 to 32768
[  213.443777][ T6524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.451343][ T6524] CPU: 1 UID: 0 PID: 6524 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  213.451378][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.451391][ T6524] Call Trace:
[  213.451400][ T6524]  <TASK>
[  213.451409][ T6524]  dump_stack_lvl+0x189/0x250
[  213.451438][ T6524]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.451463][ T6524]  ? __pfx__printk+0x10/0x10
[  213.451489][ T6524]  ? kernfs_root+0x1c/0x230
[  213.451510][ T6524]  ? kernfs_path_from_node+0x250/0x290
[  213.451528][ T6524]  ? kernfs_path_from_node+0x2f/0x290
[  213.451548][ T6524]  sysfs_create_dir_ns+0x259/0x280
[  213.451580][ T6524]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.451616][ T6524]  ? do_raw_spin_unlock+0x122/0x240
[  213.451640][ T6524]  kobject_add_internal+0x59f/0xb40
[  213.451671][ T6524]  kobject_init_and_add+0x125/0x190
[  213.451700][ T6524]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.451726][ T6524]  ? __raw_spin_lock_init+0x45/0x100
[  213.451747][ T6524]  ? __init_swait_queue_head+0xa9/0x150
[  213.451773][ T6524]  gfs2_sys_fs_add+0x234/0x450
[  213.451804][ T6524]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.451837][ T6524]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.451867][ T6524]  gfs2_fill_super+0x13c0/0x20d0
[  213.451898][ T6524]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.451922][ T6524]  ? sb_set_blocksize+0x104/0x180
[  213.451949][ T6524]  ? setup_bdev_super+0x4c1/0x5b0
[  213.451974][ T6524]  get_tree_bdev_flags+0x40e/0x4d0
[  213.451999][ T6524]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.452017][ T6524]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.452038][ T6524]  gfs2_get_tree+0x51/0x1e0
[  213.452057][ T6524]  vfs_get_tree+0x92/0x2b0
[  213.452074][ T6524]  do_new_mount+0x2a2/0xa30
[  213.452094][ T6524]  ? ns_capable+0x8a/0xf0
[  213.452114][ T6524]  ? __pfx_do_new_mount+0x10/0x10
[  213.452131][ T6524]  ? path_mount+0x61c/0xfe0
[  213.452148][ T6524]  ? user_path_at+0x44/0x60
[  213.452164][ T6524]  __se_sys_mount+0x317/0x410
[  213.452185][ T6524]  ? __pfx___se_sys_mount+0x10/0x10
[  213.452205][ T6524]  ? rcu_is_watching+0x15/0xb0
[  213.452225][ T6524]  ? __x64_sys_mount+0x20/0xc0
[  213.452244][ T6524]  do_syscall_64+0xfa/0xfa0
[  213.452262][ T6524]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.452276][ T6524]  ? clear_bhb_loop+0x60/0xb0
[  213.452299][ T6524]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.452314][ T6524] RIP: 0033:0x7fc51ad9038a
[  213.452327][ T6524] 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
[  213.452340][ T6524] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.452357][ T6524] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  213.452368][ T6524] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  213.452379][ T6524] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  213.452389][ T6524] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.452399][ T6524] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  213.452416][ T6524]  </TASK>
[  213.452777][ T6524] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.769586][ T6524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.159617][ T6527] loop1: detected capacity change from 0 to 32768
[  214.176150][ T6527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.183769][ T6527] CPU: 0 UID: 0 PID: 6527 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  214.183797][ T6527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.183810][ T6527] Call Trace:
[  214.183819][ T6527]  <TASK>
[  214.183828][ T6527]  dump_stack_lvl+0x189/0x250
[  214.183859][ T6527]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.183884][ T6527]  ? __pfx__printk+0x10/0x10
[  214.183910][ T6527]  ? kernfs_root+0x1c/0x230
[  214.183932][ T6527]  ? kernfs_path_from_node+0x250/0x290
[  214.183949][ T6527]  ? kernfs_path_from_node+0x2f/0x290
[  214.183978][ T6527]  sysfs_create_dir_ns+0x259/0x280
[  214.184010][ T6527]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.184041][ T6527]  ? do_raw_spin_unlock+0x122/0x240
[  214.184065][ T6527]  kobject_add_internal+0x59f/0xb40
[  214.184096][ T6527]  kobject_init_and_add+0x125/0x190
[  214.184125][ T6527]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.184151][ T6527]  ? __raw_spin_lock_init+0x45/0x100
[  214.184171][ T6527]  ? __init_swait_queue_head+0xa9/0x150
[  214.184193][ T6527]  gfs2_sys_fs_add+0x234/0x450
[  214.184223][ T6527]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.184256][ T6527]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.184287][ T6527]  gfs2_fill_super+0x13c0/0x20d0
[  214.184317][ T6527]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.184342][ T6527]  ? sb_set_blocksize+0x104/0x180
[  214.184369][ T6527]  ? setup_bdev_super+0x4c1/0x5b0
[  214.184395][ T6527]  get_tree_bdev_flags+0x40e/0x4d0
[  214.184419][ T6527]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.184442][ T6527]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.184472][ T6527]  gfs2_get_tree+0x51/0x1e0
[  214.184496][ T6527]  vfs_get_tree+0x92/0x2b0
[  214.184520][ T6527]  do_new_mount+0x2a2/0xa30
[  214.184547][ T6527]  ? ns_capable+0x8a/0xf0
[  214.184576][ T6527]  ? __pfx_do_new_mount+0x10/0x10
[  214.184601][ T6527]  ? path_mount+0x61c/0xfe0
[  214.184625][ T6527]  ? user_path_at+0x44/0x60
[  214.184648][ T6527]  __se_sys_mount+0x317/0x410
[  214.184678][ T6527]  ? __pfx___se_sys_mount+0x10/0x10
[  214.184706][ T6527]  ? rcu_is_watching+0x15/0xb0
[  214.184735][ T6527]  ? __x64_sys_mount+0x20/0xc0
[  214.184763][ T6527]  do_syscall_64+0xfa/0xfa0
[  214.184788][ T6527]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.184809][ T6527]  ? clear_bhb_loop+0x60/0xb0
[  214.184832][ T6527]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.184852][ T6527] RIP: 0033:0x7fc51ad9038a
[  214.184871][ T6527] 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
[  214.184890][ T6527] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.184913][ T6527] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  214.184929][ T6527] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  214.184945][ T6527] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  214.184959][ T6527] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  214.184984][ T6527] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  214.185007][ T6527]  </TASK>
[  214.185029][ T6527] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.500927][ T6527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.892717][ T6530] loop1: detected capacity change from 0 to 32768
[  214.918887][ T6530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.927049][ T6530] CPU: 0 UID: 0 PID: 6530 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  214.927084][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.927097][ T6530] Call Trace:
[  214.927105][ T6530]  <TASK>
[  214.927115][ T6530]  dump_stack_lvl+0x189/0x250
[  214.927147][ T6530]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.927172][ T6530]  ? __pfx__printk+0x10/0x10
[  214.927198][ T6530]  ? kernfs_root+0x1c/0x230
[  214.927219][ T6530]  ? kernfs_path_from_node+0x250/0x290
[  214.927237][ T6530]  ? kernfs_path_from_node+0x2f/0x290
[  214.927257][ T6530]  sysfs_create_dir_ns+0x259/0x280
[  214.927288][ T6530]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.927319][ T6530]  ? do_raw_spin_unlock+0x122/0x240
[  214.927343][ T6530]  kobject_add_internal+0x59f/0xb40
[  214.927374][ T6530]  kobject_init_and_add+0x125/0x190
[  214.927403][ T6530]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.927429][ T6530]  ? __raw_spin_lock_init+0x45/0x100
[  214.927450][ T6530]  ? __init_swait_queue_head+0xa9/0x150
[  214.927472][ T6530]  gfs2_sys_fs_add+0x234/0x450
[  214.927501][ T6530]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.927534][ T6530]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.927564][ T6530]  gfs2_fill_super+0x13c0/0x20d0
[  214.927594][ T6530]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.927619][ T6530]  ? sb_set_blocksize+0x104/0x180
[  214.927647][ T6530]  ? setup_bdev_super+0x4c1/0x5b0
[  214.927672][ T6530]  get_tree_bdev_flags+0x40e/0x4d0
[  214.927695][ T6530]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.927718][ T6530]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.927748][ T6530]  gfs2_get_tree+0x51/0x1e0
[  214.927771][ T6530]  vfs_get_tree+0x92/0x2b0
[  214.927795][ T6530]  do_new_mount+0x2a2/0xa30
[  214.927822][ T6530]  ? ns_capable+0x8a/0xf0
[  214.927851][ T6530]  ? __pfx_do_new_mount+0x10/0x10
[  214.927876][ T6530]  ? path_mount+0x61c/0xfe0
[  214.927900][ T6530]  ? user_path_at+0x44/0x60
[  214.927923][ T6530]  __se_sys_mount+0x317/0x410
[  214.927953][ T6530]  ? __pfx___se_sys_mount+0x10/0x10
[  214.927982][ T6530]  ? rcu_is_watching+0x15/0xb0
[  214.928011][ T6530]  ? __x64_sys_mount+0x20/0xc0
[  214.928038][ T6530]  do_syscall_64+0xfa/0xfa0
[  214.928062][ T6530]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.928089][ T6530]  ? clear_bhb_loop+0x60/0xb0
[  214.928112][ T6530]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.928132][ T6530] RIP: 0033:0x7fc51ad9038a
[  214.928151][ T6530] 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
[  214.928170][ T6530] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.928193][ T6530] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  214.928209][ T6530] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  214.928224][ T6530] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  214.928239][ T6530] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  214.928253][ T6530] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  214.928277][ T6530]  </TASK>
[  214.928297][ T6530] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.243758][ T6530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.637147][ T6533] loop1: detected capacity change from 0 to 32768
[  215.645905][ T6533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.653497][ T6533] CPU: 1 UID: 0 PID: 6533 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  215.653522][ T6533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.653534][ T6533] Call Trace:
[  215.653543][ T6533]  <TASK>
[  215.653551][ T6533]  dump_stack_lvl+0x189/0x250
[  215.653581][ T6533]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.653605][ T6533]  ? __pfx__printk+0x10/0x10
[  215.653648][ T6533]  ? kernfs_root+0x1c/0x230
[  215.653668][ T6533]  ? kernfs_path_from_node+0x250/0x290
[  215.653684][ T6533]  ? kernfs_path_from_node+0x2f/0x290
[  215.653703][ T6533]  sysfs_create_dir_ns+0x259/0x280
[  215.653733][ T6533]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.653780][ T6533]  ? do_raw_spin_unlock+0x122/0x240
[  215.653803][ T6533]  kobject_add_internal+0x59f/0xb40
[  215.653833][ T6533]  kobject_init_and_add+0x125/0x190
[  215.653861][ T6533]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.653885][ T6533]  ? __raw_spin_lock_init+0x45/0x100
[  215.653905][ T6533]  ? __init_swait_queue_head+0xa9/0x150
[  215.653926][ T6533]  gfs2_sys_fs_add+0x234/0x450
[  215.653956][ T6533]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.653986][ T6533]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.654016][ T6533]  gfs2_fill_super+0x13c0/0x20d0
[  215.654045][ T6533]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.654069][ T6533]  ? sb_set_blocksize+0x104/0x180
[  215.654096][ T6533]  ? setup_bdev_super+0x4c1/0x5b0
[  215.654122][ T6533]  get_tree_bdev_flags+0x40e/0x4d0
[  215.654146][ T6533]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.654169][ T6533]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.654197][ T6533]  gfs2_get_tree+0x51/0x1e0
[  215.654221][ T6533]  vfs_get_tree+0x92/0x2b0
[  215.654246][ T6533]  do_new_mount+0x2a2/0xa30
[  215.654273][ T6533]  ? ns_capable+0x8a/0xf0
[  215.654301][ T6533]  ? __pfx_do_new_mount+0x10/0x10
[  215.654326][ T6533]  ? path_mount+0x61c/0xfe0
[  215.654350][ T6533]  ? user_path_at+0x44/0x60
[  215.654373][ T6533]  __se_sys_mount+0x317/0x410
[  215.654403][ T6533]  ? __pfx___se_sys_mount+0x10/0x10
[  215.654431][ T6533]  ? rcu_is_watching+0x15/0xb0
[  215.654460][ T6533]  ? __x64_sys_mount+0x20/0xc0
[  215.654488][ T6533]  do_syscall_64+0xfa/0xfa0
[  215.654513][ T6533]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.654533][ T6533]  ? clear_bhb_loop+0x60/0xb0
[  215.654556][ T6533]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.654576][ T6533] RIP: 0033:0x7fc51ad9038a
[  215.654594][ T6533] 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
[  215.654613][ T6533] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.654634][ T6533] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  215.654649][ T6533] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  215.654663][ T6533] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  215.654676][ T6533] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.654691][ T6533] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  215.654714][ T6533]  </TASK>
[  215.654735][ T6533] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.969659][ T6533] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 05:47:34 executed programs: 160
[  216.357224][ T6536] loop1: detected capacity change from 0 to 32768
[  216.382552][ T6536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.390656][ T6536] CPU: 1 UID: 0 PID: 6536 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  216.390684][ T6536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.390697][ T6536] Call Trace:
[  216.390706][ T6536]  <TASK>
[  216.390715][ T6536]  dump_stack_lvl+0x189/0x250
[  216.390746][ T6536]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.390785][ T6536]  ? __pfx__printk+0x10/0x10
[  216.390811][ T6536]  ? kernfs_root+0x1c/0x230
[  216.390832][ T6536]  ? kernfs_path_from_node+0x250/0x290
[  216.390851][ T6536]  ? kernfs_path_from_node+0x2f/0x290
[  216.390871][ T6536]  sysfs_create_dir_ns+0x259/0x280
[  216.390902][ T6536]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.390932][ T6536]  ? do_raw_spin_unlock+0x122/0x240
[  216.390956][ T6536]  kobject_add_internal+0x59f/0xb40
[  216.390988][ T6536]  kobject_init_and_add+0x125/0x190
[  216.391016][ T6536]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.391041][ T6536]  ? __raw_spin_lock_init+0x45/0x100
[  216.391063][ T6536]  ? __init_swait_queue_head+0xa9/0x150
[  216.391085][ T6536]  gfs2_sys_fs_add+0x234/0x450
[  216.391115][ T6536]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.391147][ T6536]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.391177][ T6536]  gfs2_fill_super+0x13c0/0x20d0
[  216.391207][ T6536]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.391232][ T6536]  ? sb_set_blocksize+0x104/0x180
[  216.391259][ T6536]  ? setup_bdev_super+0x4c1/0x5b0
[  216.391284][ T6536]  get_tree_bdev_flags+0x40e/0x4d0
[  216.391308][ T6536]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.391331][ T6536]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.391360][ T6536]  gfs2_get_tree+0x51/0x1e0
[  216.391383][ T6536]  vfs_get_tree+0x92/0x2b0
[  216.391408][ T6536]  do_new_mount+0x2a2/0xa30
[  216.391435][ T6536]  ? ns_capable+0x8a/0xf0
[  216.391463][ T6536]  ? __pfx_do_new_mount+0x10/0x10
[  216.391488][ T6536]  ? path_mount+0x61c/0xfe0
[  216.391510][ T6536]  ? user_path_at+0x44/0x60
[  216.391532][ T6536]  __se_sys_mount+0x317/0x410
[  216.391561][ T6536]  ? __pfx___se_sys_mount+0x10/0x10
[  216.391590][ T6536]  ? rcu_is_watching+0x15/0xb0
[  216.391618][ T6536]  ? __x64_sys_mount+0x20/0xc0
[  216.391646][ T6536]  do_syscall_64+0xfa/0xfa0
[  216.391671][ T6536]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.391692][ T6536]  ? clear_bhb_loop+0x60/0xb0
[  216.391715][ T6536]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.391735][ T6536] RIP: 0033:0x7fc51ad9038a
[  216.391767][ T6536] 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
[  216.391786][ T6536] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.391809][ T6536] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  216.391826][ T6536] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  216.391841][ T6536] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  216.391855][ T6536] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  216.391875][ T6536] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  216.391898][ T6536]  </TASK>
[  216.391945][ T6536] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.708168][ T6536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.097567][ T6539] loop1: detected capacity change from 0 to 32768
[  217.109448][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.117966][ T6539] CPU: 0 UID: 0 PID: 6539 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  217.117994][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.118007][ T6539] Call Trace:
[  217.118016][ T6539]  <TASK>
[  217.118024][ T6539]  dump_stack_lvl+0x189/0x250
[  217.118054][ T6539]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.118079][ T6539]  ? __pfx__printk+0x10/0x10
[  217.118105][ T6539]  ? kernfs_root+0x1c/0x230
[  217.118125][ T6539]  ? kernfs_path_from_node+0x250/0x290
[  217.118144][ T6539]  ? kernfs_path_from_node+0x2f/0x290
[  217.118163][ T6539]  sysfs_create_dir_ns+0x259/0x280
[  217.118195][ T6539]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.118225][ T6539]  ? do_raw_spin_unlock+0x122/0x240
[  217.118249][ T6539]  kobject_add_internal+0x59f/0xb40
[  217.118280][ T6539]  kobject_init_and_add+0x125/0x190
[  217.118309][ T6539]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.118334][ T6539]  ? __raw_spin_lock_init+0x45/0x100
[  217.118355][ T6539]  ? __init_swait_queue_head+0xa9/0x150
[  217.118377][ T6539]  gfs2_sys_fs_add+0x234/0x450
[  217.118408][ T6539]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.118440][ T6539]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.118471][ T6539]  gfs2_fill_super+0x13c0/0x20d0
[  217.118501][ T6539]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.118526][ T6539]  ? sb_set_blocksize+0x104/0x180
[  217.118554][ T6539]  ? setup_bdev_super+0x4c1/0x5b0
[  217.118579][ T6539]  get_tree_bdev_flags+0x40e/0x4d0
[  217.118603][ T6539]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.118626][ T6539]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.118656][ T6539]  gfs2_get_tree+0x51/0x1e0
[  217.118680][ T6539]  vfs_get_tree+0x92/0x2b0
[  217.118705][ T6539]  do_new_mount+0x2a2/0xa30
[  217.118734][ T6539]  ? ns_capable+0x8a/0xf0
[  217.118762][ T6539]  ? __pfx_do_new_mount+0x10/0x10
[  217.118787][ T6539]  ? path_mount+0x61c/0xfe0
[  217.118812][ T6539]  ? user_path_at+0x44/0x60
[  217.118833][ T6539]  __se_sys_mount+0x317/0x410
[  217.118862][ T6539]  ? __pfx___se_sys_mount+0x10/0x10
[  217.118891][ T6539]  ? rcu_is_watching+0x15/0xb0
[  217.118927][ T6539]  ? __x64_sys_mount+0x20/0xc0
[  217.118955][ T6539]  do_syscall_64+0xfa/0xfa0
[  217.118980][ T6539]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.119001][ T6539]  ? clear_bhb_loop+0x60/0xb0
[  217.119024][ T6539]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.119044][ T6539] RIP: 0033:0x7fc51ad9038a
[  217.119062][ T6539] 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
[  217.119081][ T6539] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.119104][ T6539] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  217.119120][ T6539] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  217.119134][ T6539] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  217.119148][ T6539] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.119162][ T6539] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  217.119185][ T6539]  </TASK>
[  217.119638][ T6539] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.437070][ T6539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.834509][ T6542] loop1: detected capacity change from 0 to 32768
[  217.844665][ T6542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.852734][ T6542] CPU: 1 UID: 0 PID: 6542 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  217.852758][ T6542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.852771][ T6542] Call Trace:
[  217.852779][ T6542]  <TASK>
[  217.852787][ T6542]  dump_stack_lvl+0x189/0x250
[  217.852845][ T6542]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.852870][ T6542]  ? __pfx__printk+0x10/0x10
[  217.852897][ T6542]  ? kernfs_root+0x1c/0x230
[  217.852917][ T6542]  ? kernfs_path_from_node+0x250/0x290
[  217.852935][ T6542]  ? kernfs_path_from_node+0x2f/0x290
[  217.852955][ T6542]  sysfs_create_dir_ns+0x259/0x280
[  217.852987][ T6542]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.853017][ T6542]  ? do_raw_spin_unlock+0x122/0x240
[  217.853040][ T6542]  kobject_add_internal+0x59f/0xb40
[  217.853072][ T6542]  kobject_init_and_add+0x125/0x190
[  217.853102][ T6542]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.853127][ T6542]  ? __raw_spin_lock_init+0x45/0x100
[  217.853148][ T6542]  ? __init_swait_queue_head+0xa9/0x150
[  217.853170][ T6542]  gfs2_sys_fs_add+0x234/0x450
[  217.853200][ T6542]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.853233][ T6542]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.853261][ T6542]  gfs2_fill_super+0x13c0/0x20d0
[  217.853292][ T6542]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.853317][ T6542]  ? sb_set_blocksize+0x104/0x180
[  217.853345][ T6542]  ? setup_bdev_super+0x4c1/0x5b0
[  217.853370][ T6542]  get_tree_bdev_flags+0x40e/0x4d0
[  217.853395][ T6542]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.853417][ T6542]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.853447][ T6542]  gfs2_get_tree+0x51/0x1e0
[  217.853470][ T6542]  vfs_get_tree+0x92/0x2b0
[  217.853495][ T6542]  do_new_mount+0x2a2/0xa30
[  217.853523][ T6542]  ? ns_capable+0x8a/0xf0
[  217.853551][ T6542]  ? __pfx_do_new_mount+0x10/0x10
[  217.853576][ T6542]  ? path_mount+0x61c/0xfe0
[  217.853600][ T6542]  ? user_path_at+0x44/0x60
[  217.853623][ T6542]  __se_sys_mount+0x317/0x410
[  217.853651][ T6542]  ? __pfx___se_sys_mount+0x10/0x10
[  217.853679][ T6542]  ? rcu_is_watching+0x15/0xb0
[  217.853708][ T6542]  ? __x64_sys_mount+0x20/0xc0
[  217.853735][ T6542]  do_syscall_64+0xfa/0xfa0
[  217.853760][ T6542]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.853782][ T6542]  ? clear_bhb_loop+0x60/0xb0
[  217.853805][ T6542]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.853844][ T6542] RIP: 0033:0x7fc51ad9038a
[  217.853862][ T6542] 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
[  217.853880][ T6542] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.853902][ T6542] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  217.853917][ T6542] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  217.853932][ T6542] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  217.853946][ T6542] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.853960][ T6542] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  217.853983][ T6542]  </TASK>
[  217.854004][ T6542] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.168706][ T6542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.556265][ T6545] loop1: detected capacity change from 0 to 32768
[  218.567776][ T6545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.575408][ T6545] CPU: 0 UID: 0 PID: 6545 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  218.575433][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.575446][ T6545] Call Trace:
[  218.575454][ T6545]  <TASK>
[  218.575462][ T6545]  dump_stack_lvl+0x189/0x250
[  218.575491][ T6545]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.575515][ T6545]  ? __pfx__printk+0x10/0x10
[  218.575540][ T6545]  ? kernfs_root+0x1c/0x230
[  218.575562][ T6545]  ? kernfs_path_from_node+0x250/0x290
[  218.575579][ T6545]  ? kernfs_path_from_node+0x2f/0x290
[  218.575599][ T6545]  sysfs_create_dir_ns+0x259/0x280
[  218.575629][ T6545]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.575660][ T6545]  ? do_raw_spin_unlock+0x122/0x240
[  218.575682][ T6545]  kobject_add_internal+0x59f/0xb40
[  218.575713][ T6545]  kobject_init_and_add+0x125/0x190
[  218.575740][ T6545]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.575765][ T6545]  ? __raw_spin_lock_init+0x45/0x100
[  218.575786][ T6545]  ? __init_swait_queue_head+0xa9/0x150
[  218.575817][ T6545]  gfs2_sys_fs_add+0x234/0x450
[  218.575847][ T6545]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.575880][ T6545]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.575910][ T6545]  gfs2_fill_super+0x13c0/0x20d0
[  218.575941][ T6545]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.575965][ T6545]  ? sb_set_blocksize+0x104/0x180
[  218.575992][ T6545]  ? setup_bdev_super+0x4c1/0x5b0
[  218.576017][ T6545]  get_tree_bdev_flags+0x40e/0x4d0
[  218.576041][ T6545]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.576063][ T6545]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.576092][ T6545]  gfs2_get_tree+0x51/0x1e0
[  218.576116][ T6545]  vfs_get_tree+0x92/0x2b0
[  218.576141][ T6545]  do_new_mount+0x2a2/0xa30
[  218.576169][ T6545]  ? ns_capable+0x8a/0xf0
[  218.576198][ T6545]  ? __pfx_do_new_mount+0x10/0x10
[  218.576223][ T6545]  ? path_mount+0x61c/0xfe0
[  218.576247][ T6545]  ? user_path_at+0x44/0x60
[  218.576271][ T6545]  __se_sys_mount+0x317/0x410
[  218.576300][ T6545]  ? __pfx___se_sys_mount+0x10/0x10
[  218.576329][ T6545]  ? rcu_is_watching+0x15/0xb0
[  218.576376][ T6545]  ? __x64_sys_mount+0x20/0xc0
[  218.576404][ T6545]  do_syscall_64+0xfa/0xfa0
[  218.576429][ T6545]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.576449][ T6545]  ? clear_bhb_loop+0x60/0xb0
[  218.576472][ T6545]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.576492][ T6545] RIP: 0033:0x7fc51ad9038a
[  218.576510][ T6545] 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
[  218.576529][ T6545] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.576551][ T6545] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  218.576567][ T6545] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  218.576582][ T6545] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  218.576597][ T6545] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  218.576611][ T6545] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  218.576636][ T6545]  </TASK>
[  218.576663][ T6545] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.893894][ T6545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.283352][ T6548] loop1: detected capacity change from 0 to 32768
[  219.292867][ T6548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.302501][ T6548] CPU: 1 UID: 0 PID: 6548 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  219.302526][ T6548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.302539][ T6548] Call Trace:
[  219.302547][ T6548]  <TASK>
[  219.302555][ T6548]  dump_stack_lvl+0x189/0x250
[  219.302586][ T6548]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.302610][ T6548]  ? __pfx__printk+0x10/0x10
[  219.302636][ T6548]  ? kernfs_root+0x1c/0x230
[  219.302655][ T6548]  ? kernfs_path_from_node+0x250/0x290
[  219.302691][ T6548]  ? kernfs_path_from_node+0x2f/0x290
[  219.302711][ T6548]  sysfs_create_dir_ns+0x259/0x280
[  219.302742][ T6548]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.302773][ T6548]  ? do_raw_spin_unlock+0x122/0x240
[  219.302796][ T6548]  kobject_add_internal+0x59f/0xb40
[  219.302828][ T6548]  kobject_init_and_add+0x125/0x190
[  219.302856][ T6548]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.302882][ T6548]  ? __raw_spin_lock_init+0x45/0x100
[  219.302903][ T6548]  ? __init_swait_queue_head+0xa9/0x150
[  219.302925][ T6548]  gfs2_sys_fs_add+0x234/0x450
[  219.302955][ T6548]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.302987][ T6548]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.303017][ T6548]  gfs2_fill_super+0x13c0/0x20d0
[  219.303048][ T6548]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.303072][ T6548]  ? sb_set_blocksize+0x104/0x180
[  219.303096][ T6548]  ? setup_bdev_super+0x4c1/0x5b0
[  219.303121][ T6548]  get_tree_bdev_flags+0x40e/0x4d0
[  219.303146][ T6548]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.303169][ T6548]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.303198][ T6548]  gfs2_get_tree+0x51/0x1e0
[  219.303221][ T6548]  vfs_get_tree+0x92/0x2b0
[  219.303246][ T6548]  do_new_mount+0x2a2/0xa30
[  219.303272][ T6548]  ? ns_capable+0x8a/0xf0
[  219.303300][ T6548]  ? __pfx_do_new_mount+0x10/0x10
[  219.303324][ T6548]  ? path_mount+0x61c/0xfe0
[  219.303348][ T6548]  ? user_path_at+0x44/0x60
[  219.303371][ T6548]  __se_sys_mount+0x317/0x410
[  219.303401][ T6548]  ? __pfx___se_sys_mount+0x10/0x10
[  219.303437][ T6548]  ? rcu_is_watching+0x15/0xb0
[  219.303466][ T6548]  ? __x64_sys_mount+0x20/0xc0
[  219.303494][ T6548]  do_syscall_64+0xfa/0xfa0
[  219.303519][ T6548]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.303538][ T6548]  ? clear_bhb_loop+0x60/0xb0
[  219.303560][ T6548]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.303581][ T6548] RIP: 0033:0x7fc51ad9038a
[  219.303599][ T6548] 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
[  219.303617][ T6548] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.303639][ T6548] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  219.303654][ T6548] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  219.303670][ T6548] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  219.303684][ T6548] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.303698][ T6548] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  219.303722][ T6548]  </TASK>
[  219.304142][ T6548] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.619756][ T6548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.004156][ T6551] loop1: detected capacity change from 0 to 32768
[  220.016080][ T6551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.023584][ T6551] CPU: 0 UID: 0 PID: 6551 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  220.023611][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.023626][ T6551] Call Trace:
[  220.023634][ T6551]  <TASK>
[  220.023642][ T6551]  dump_stack_lvl+0x189/0x250
[  220.023674][ T6551]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.023699][ T6551]  ? __pfx__printk+0x10/0x10
[  220.023726][ T6551]  ? kernfs_root+0x1c/0x230
[  220.023746][ T6551]  ? kernfs_path_from_node+0x250/0x290
[  220.023764][ T6551]  ? kernfs_path_from_node+0x2f/0x290
[  220.023785][ T6551]  sysfs_create_dir_ns+0x259/0x280
[  220.023816][ T6551]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.023846][ T6551]  ? do_raw_spin_unlock+0x122/0x240
[  220.023869][ T6551]  kobject_add_internal+0x59f/0xb40
[  220.023902][ T6551]  kobject_init_and_add+0x125/0x190
[  220.023929][ T6551]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.023955][ T6551]  ? __raw_spin_lock_init+0x45/0x100
[  220.023976][ T6551]  ? __init_swait_queue_head+0xa9/0x150
[  220.023998][ T6551]  gfs2_sys_fs_add+0x234/0x450
[  220.024028][ T6551]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.024061][ T6551]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.024090][ T6551]  gfs2_fill_super+0x13c0/0x20d0
[  220.024121][ T6551]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.024146][ T6551]  ? sb_set_blocksize+0x104/0x180
[  220.024173][ T6551]  ? setup_bdev_super+0x4c1/0x5b0
[  220.024199][ T6551]  get_tree_bdev_flags+0x40e/0x4d0
[  220.024224][ T6551]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.024246][ T6551]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.024275][ T6551]  gfs2_get_tree+0x51/0x1e0
[  220.024299][ T6551]  vfs_get_tree+0x92/0x2b0
[  220.024323][ T6551]  do_new_mount+0x2a2/0xa30
[  220.024351][ T6551]  ? ns_capable+0x8a/0xf0
[  220.024379][ T6551]  ? __pfx_do_new_mount+0x10/0x10
[  220.024404][ T6551]  ? path_mount+0x61c/0xfe0
[  220.024439][ T6551]  ? user_path_at+0x44/0x60
[  220.024463][ T6551]  __se_sys_mount+0x317/0x410
[  220.024492][ T6551]  ? __pfx___se_sys_mount+0x10/0x10
[  220.024521][ T6551]  ? rcu_is_watching+0x15/0xb0
[  220.024549][ T6551]  ? __x64_sys_mount+0x20/0xc0
[  220.024576][ T6551]  do_syscall_64+0xfa/0xfa0
[  220.024601][ T6551]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.024622][ T6551]  ? clear_bhb_loop+0x60/0xb0
[  220.024645][ T6551]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.024665][ T6551] RIP: 0033:0x7fc51ad9038a
[  220.024684][ T6551] 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
[  220.024703][ T6551] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.024726][ T6551] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  220.024742][ T6551] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  220.024758][ T6551] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  220.024772][ T6551] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.024786][ T6551] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  220.024810][ T6551]  </TASK>
[  220.024839][ T6551] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.342116][ T6551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.735778][ T6554] loop1: detected capacity change from 0 to 32768
[  220.747250][ T6554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.754693][ T6554] CPU: 0 UID: 0 PID: 6554 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  220.754719][ T6554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.754733][ T6554] Call Trace:
[  220.754741][ T6554]  <TASK>
[  220.754749][ T6554]  dump_stack_lvl+0x189/0x250
[  220.754782][ T6554]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.754807][ T6554]  ? __pfx__printk+0x10/0x10
[  220.754834][ T6554]  ? kernfs_root+0x1c/0x230
[  220.754855][ T6554]  ? kernfs_path_from_node+0x250/0x290
[  220.754873][ T6554]  ? kernfs_path_from_node+0x2f/0x290
[  220.754894][ T6554]  sysfs_create_dir_ns+0x259/0x280
[  220.754925][ T6554]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.754956][ T6554]  ? do_raw_spin_unlock+0x122/0x240
[  220.754980][ T6554]  kobject_add_internal+0x59f/0xb40
[  220.755011][ T6554]  kobject_init_and_add+0x125/0x190
[  220.755039][ T6554]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.755064][ T6554]  ? __raw_spin_lock_init+0x45/0x100
[  220.755085][ T6554]  ? __init_swait_queue_head+0xa9/0x150
[  220.755106][ T6554]  gfs2_sys_fs_add+0x234/0x450
[  220.755136][ T6554]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.755170][ T6554]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.755203][ T6554]  gfs2_fill_super+0x13c0/0x20d0
[  220.755232][ T6554]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.755257][ T6554]  ? sb_set_blocksize+0x104/0x180
[  220.755285][ T6554]  ? setup_bdev_super+0x4c1/0x5b0
[  220.755310][ T6554]  get_tree_bdev_flags+0x40e/0x4d0
[  220.755344][ T6554]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.755367][ T6554]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.755396][ T6554]  gfs2_get_tree+0x51/0x1e0
[  220.755419][ T6554]  vfs_get_tree+0x92/0x2b0
[  220.755444][ T6554]  do_new_mount+0x2a2/0xa30
[  220.755472][ T6554]  ? ns_capable+0x8a/0xf0
[  220.755500][ T6554]  ? __pfx_do_new_mount+0x10/0x10
[  220.755525][ T6554]  ? path_mount+0x61c/0xfe0
[  220.755548][ T6554]  ? user_path_at+0x44/0x60
[  220.755571][ T6554]  __se_sys_mount+0x317/0x410
[  220.755600][ T6554]  ? __pfx___se_sys_mount+0x10/0x10
[  220.755629][ T6554]  ? rcu_is_watching+0x15/0xb0
[  220.755657][ T6554]  ? __x64_sys_mount+0x20/0xc0
[  220.755684][ T6554]  do_syscall_64+0xfa/0xfa0
[  220.755709][ T6554]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.755730][ T6554]  ? clear_bhb_loop+0x60/0xb0
[  220.755753][ T6554]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.755774][ T6554] RIP: 0033:0x7fc51ad9038a
[  220.755791][ T6554] 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
[  220.755810][ T6554] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.755834][ T6554] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  220.755850][ T6554] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  220.755866][ T6554] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  220.755880][ T6554] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.755894][ T6554] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  220.755918][ T6554]  </TASK>
[  221.056351][ T6554] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.070350][ T6554] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 05:47:39 executed programs: 167
[  221.460129][ T6557] loop1: detected capacity change from 0 to 32768
[  221.492735][ T6557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.501551][ T6557] CPU: 0 UID: 0 PID: 6557 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  221.501578][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.501592][ T6557] Call Trace:
[  221.501600][ T6557]  <TASK>
[  221.501609][ T6557]  dump_stack_lvl+0x189/0x250
[  221.501640][ T6557]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.501665][ T6557]  ? __pfx__printk+0x10/0x10
[  221.501691][ T6557]  ? kernfs_root+0x1c/0x230
[  221.501713][ T6557]  ? kernfs_path_from_node+0x250/0x290
[  221.501731][ T6557]  ? kernfs_path_from_node+0x2f/0x290
[  221.501751][ T6557]  sysfs_create_dir_ns+0x259/0x280
[  221.501782][ T6557]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.501813][ T6557]  ? do_raw_spin_unlock+0x122/0x240
[  221.501838][ T6557]  kobject_add_internal+0x59f/0xb40
[  221.501869][ T6557]  kobject_init_and_add+0x125/0x190
[  221.501896][ T6557]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.501922][ T6557]  ? __raw_spin_lock_init+0x45/0x100
[  221.501944][ T6557]  ? __init_swait_queue_head+0xa9/0x150
[  221.501966][ T6557]  gfs2_sys_fs_add+0x234/0x450
[  221.501996][ T6557]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.502028][ T6557]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.502058][ T6557]  gfs2_fill_super+0x13c0/0x20d0
[  221.502088][ T6557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.502113][ T6557]  ? sb_set_blocksize+0x104/0x180
[  221.502141][ T6557]  ? setup_bdev_super+0x4c1/0x5b0
[  221.502168][ T6557]  get_tree_bdev_flags+0x40e/0x4d0
[  221.502192][ T6557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.502215][ T6557]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.502244][ T6557]  gfs2_get_tree+0x51/0x1e0
[  221.502267][ T6557]  vfs_get_tree+0x92/0x2b0
[  221.502292][ T6557]  do_new_mount+0x2a2/0xa30
[  221.502326][ T6557]  ? ns_capable+0x8a/0xf0
[  221.502355][ T6557]  ? __pfx_do_new_mount+0x10/0x10
[  221.502380][ T6557]  ? path_mount+0x61c/0xfe0
[  221.502404][ T6557]  ? user_path_at+0x44/0x60
[  221.502427][ T6557]  __se_sys_mount+0x317/0x410
[  221.502456][ T6557]  ? __pfx___se_sys_mount+0x10/0x10
[  221.502485][ T6557]  ? rcu_is_watching+0x15/0xb0
[  221.502514][ T6557]  ? __x64_sys_mount+0x20/0xc0
[  221.502542][ T6557]  do_syscall_64+0xfa/0xfa0
[  221.502568][ T6557]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.502588][ T6557]  ? clear_bhb_loop+0x60/0xb0
[  221.502611][ T6557]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.502636][ T6557] RIP: 0033:0x7fc51ad9038a
[  221.502654][ T6557] 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
[  221.502672][ T6557] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.502695][ T6557] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  221.502711][ T6557] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  221.502726][ T6557] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  221.502741][ T6557] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  221.502755][ T6557] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  221.502778][ T6557]  </TASK>
[  221.502821][ T6557] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.820065][ T6557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.207154][ T6560] loop1: detected capacity change from 0 to 32768
[  222.216146][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.223568][ T6560] CPU: 1 UID: 0 PID: 6560 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  222.223595][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.223608][ T6560] Call Trace:
[  222.223615][ T6560]  <TASK>
[  222.223624][ T6560]  dump_stack_lvl+0x189/0x250
[  222.223655][ T6560]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.223680][ T6560]  ? __pfx__printk+0x10/0x10
[  222.223705][ T6560]  ? kernfs_root+0x1c/0x230
[  222.223726][ T6560]  ? kernfs_path_from_node+0x250/0x290
[  222.223744][ T6560]  ? kernfs_path_from_node+0x2f/0x290
[  222.223764][ T6560]  sysfs_create_dir_ns+0x259/0x280
[  222.223796][ T6560]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.223825][ T6560]  ? do_raw_spin_unlock+0x122/0x240
[  222.223849][ T6560]  kobject_add_internal+0x59f/0xb40
[  222.223880][ T6560]  kobject_init_and_add+0x125/0x190
[  222.223909][ T6560]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.223935][ T6560]  ? __raw_spin_lock_init+0x45/0x100
[  222.223956][ T6560]  ? __init_swait_queue_head+0xa9/0x150
[  222.223978][ T6560]  gfs2_sys_fs_add+0x234/0x450
[  222.224009][ T6560]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.224041][ T6560]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.224071][ T6560]  gfs2_fill_super+0x13c0/0x20d0
[  222.224101][ T6560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.224126][ T6560]  ? sb_set_blocksize+0x104/0x180
[  222.224153][ T6560]  ? setup_bdev_super+0x4c1/0x5b0
[  222.224178][ T6560]  get_tree_bdev_flags+0x40e/0x4d0
[  222.224203][ T6560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.224225][ T6560]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.224255][ T6560]  gfs2_get_tree+0x51/0x1e0
[  222.224279][ T6560]  vfs_get_tree+0x92/0x2b0
[  222.224303][ T6560]  do_new_mount+0x2a2/0xa30
[  222.224330][ T6560]  ? ns_capable+0x8a/0xf0
[  222.224359][ T6560]  ? __pfx_do_new_mount+0x10/0x10
[  222.224384][ T6560]  ? path_mount+0x61c/0xfe0
[  222.224408][ T6560]  ? user_path_at+0x44/0x60
[  222.224431][ T6560]  __se_sys_mount+0x317/0x410
[  222.224461][ T6560]  ? __pfx___se_sys_mount+0x10/0x10
[  222.224498][ T6560]  ? rcu_is_watching+0x15/0xb0
[  222.224525][ T6560]  ? __x64_sys_mount+0x20/0xc0
[  222.224552][ T6560]  do_syscall_64+0xfa/0xfa0
[  222.224577][ T6560]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.224598][ T6560]  ? clear_bhb_loop+0x60/0xb0
[  222.224620][ T6560]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.224641][ T6560] RIP: 0033:0x7fc51ad9038a
[  222.224659][ T6560] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.224678][ T6560] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.224701][ T6560] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  222.224717][ T6560] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  222.224732][ T6560] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  222.224747][ T6560] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  222.224760][ T6560] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  222.224782][ T6560]  </TASK>
[  222.224800][ T6560] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.540437][ T6560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.929928][ T6563] loop1: detected capacity change from 0 to 32768
[  222.941417][ T6563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.949734][ T6563] CPU: 1 UID: 0 PID: 6563 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  222.949761][ T6563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.949776][ T6563] Call Trace:
[  222.949784][ T6563]  <TASK>
[  222.949793][ T6563]  dump_stack_lvl+0x189/0x250
[  222.949823][ T6563]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.949847][ T6563]  ? __pfx__printk+0x10/0x10
[  222.949872][ T6563]  ? kernfs_root+0x1c/0x230
[  222.949892][ T6563]  ? kernfs_path_from_node+0x250/0x290
[  222.949910][ T6563]  ? kernfs_path_from_node+0x2f/0x290
[  222.949928][ T6563]  sysfs_create_dir_ns+0x259/0x280
[  222.949958][ T6563]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.949988][ T6563]  ? do_raw_spin_unlock+0x122/0x240
[  222.950010][ T6563]  kobject_add_internal+0x59f/0xb40
[  222.950040][ T6563]  kobject_init_and_add+0x125/0x190
[  222.950068][ T6563]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.950099][ T6563]  ? __raw_spin_lock_init+0x45/0x100
[  222.950121][ T6563]  ? __init_swait_queue_head+0xa9/0x150
[  222.950150][ T6563]  gfs2_sys_fs_add+0x234/0x450
[  222.950180][ T6563]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.950207][ T6563]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.950234][ T6563]  gfs2_fill_super+0x13c0/0x20d0
[  222.950262][ T6563]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.950285][ T6563]  ? sb_set_blocksize+0x104/0x180
[  222.950311][ T6563]  ? setup_bdev_super+0x4c1/0x5b0
[  222.950336][ T6563]  get_tree_bdev_flags+0x40e/0x4d0
[  222.950360][ T6563]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.950392][ T6563]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.950421][ T6563]  gfs2_get_tree+0x51/0x1e0
[  222.950444][ T6563]  vfs_get_tree+0x92/0x2b0
[  222.950469][ T6563]  do_new_mount+0x2a2/0xa30
[  222.950496][ T6563]  ? ns_capable+0x8a/0xf0
[  222.950524][ T6563]  ? __pfx_do_new_mount+0x10/0x10
[  222.950549][ T6563]  ? path_mount+0x61c/0xfe0
[  222.950572][ T6563]  ? user_path_at+0x44/0x60
[  222.950594][ T6563]  __se_sys_mount+0x317/0x410
[  222.950623][ T6563]  ? __pfx___se_sys_mount+0x10/0x10
[  222.950652][ T6563]  ? rcu_is_watching+0x15/0xb0
[  222.950680][ T6563]  ? __x64_sys_mount+0x20/0xc0
[  222.950706][ T6563]  do_syscall_64+0xfa/0xfa0
[  222.950731][ T6563]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.950751][ T6563]  ? clear_bhb_loop+0x60/0xb0
[  222.950773][ T6563]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.950792][ T6563] RIP: 0033:0x7fc51ad9038a
[  222.950810][ T6563] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.950828][ T6563] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.950850][ T6563] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  222.950865][ T6563] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  222.950880][ T6563] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  222.950894][ T6563] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  222.950907][ T6563] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  222.950928][ T6563]  </TASK>
[  222.951793][ T6563] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.266649][ T6563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.649988][ T6566] loop1: detected capacity change from 0 to 32768
[  223.662298][ T6566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.670121][ T6566] CPU: 0 UID: 0 PID: 6566 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  223.670146][ T6566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.670159][ T6566] Call Trace:
[  223.670167][ T6566]  <TASK>
[  223.670176][ T6566]  dump_stack_lvl+0x189/0x250
[  223.670206][ T6566]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.670230][ T6566]  ? __pfx__printk+0x10/0x10
[  223.670256][ T6566]  ? kernfs_root+0x1c/0x230
[  223.670276][ T6566]  ? kernfs_path_from_node+0x250/0x290
[  223.670304][ T6566]  ? kernfs_path_from_node+0x2f/0x290
[  223.670323][ T6566]  sysfs_create_dir_ns+0x259/0x280
[  223.670354][ T6566]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.670383][ T6566]  ? do_raw_spin_unlock+0x122/0x240
[  223.670406][ T6566]  kobject_add_internal+0x59f/0xb40
[  223.670437][ T6566]  kobject_init_and_add+0x125/0x190
[  223.670464][ T6566]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.670489][ T6566]  ? __raw_spin_lock_init+0x45/0x100
[  223.670510][ T6566]  ? __init_swait_queue_head+0xa9/0x150
[  223.670532][ T6566]  gfs2_sys_fs_add+0x234/0x450
[  223.670562][ T6566]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.670592][ T6566]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.670622][ T6566]  gfs2_fill_super+0x13c0/0x20d0
[  223.670651][ T6566]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.670675][ T6566]  ? sb_set_blocksize+0x104/0x180
[  223.670702][ T6566]  ? setup_bdev_super+0x4c1/0x5b0
[  223.670726][ T6566]  get_tree_bdev_flags+0x40e/0x4d0
[  223.670750][ T6566]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.670771][ T6566]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.670799][ T6566]  gfs2_get_tree+0x51/0x1e0
[  223.670822][ T6566]  vfs_get_tree+0x92/0x2b0
[  223.670846][ T6566]  do_new_mount+0x2a2/0xa30
[  223.670873][ T6566]  ? ns_capable+0x8a/0xf0
[  223.670901][ T6566]  ? __pfx_do_new_mount+0x10/0x10
[  223.670926][ T6566]  ? path_mount+0x61c/0xfe0
[  223.670949][ T6566]  ? user_path_at+0x44/0x60
[  223.670970][ T6566]  __se_sys_mount+0x317/0x410
[  223.670999][ T6566]  ? __pfx___se_sys_mount+0x10/0x10
[  223.671027][ T6566]  ? rcu_is_watching+0x15/0xb0
[  223.671054][ T6566]  ? __x64_sys_mount+0x20/0xc0
[  223.671080][ T6566]  do_syscall_64+0xfa/0xfa0
[  223.671103][ T6566]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.671123][ T6566]  ? clear_bhb_loop+0x60/0xb0
[  223.671145][ T6566]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.671165][ T6566] RIP: 0033:0x7fc51ad9038a
[  223.671182][ T6566] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.671201][ T6566] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.671223][ T6566] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  223.671239][ T6566] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  223.671253][ T6566] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  223.671268][ T6566] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  223.671281][ T6566] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  223.671318][ T6566]  </TASK>
[  223.671338][ T6566] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.987540][ T6566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.370735][ T6569] loop1: detected capacity change from 0 to 32768
[  224.394049][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.401905][ T6569] CPU: 0 UID: 0 PID: 6569 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  224.401932][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.401946][ T6569] Call Trace:
[  224.401955][ T6569]  <TASK>
[  224.401964][ T6569]  dump_stack_lvl+0x189/0x250
[  224.401994][ T6569]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.402019][ T6569]  ? __pfx__printk+0x10/0x10
[  224.402046][ T6569]  ? kernfs_root+0x1c/0x230
[  224.402068][ T6569]  ? kernfs_path_from_node+0x250/0x290
[  224.402097][ T6569]  ? kernfs_path_from_node+0x2f/0x290
[  224.402117][ T6569]  sysfs_create_dir_ns+0x259/0x280
[  224.402149][ T6569]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.402180][ T6569]  ? do_raw_spin_unlock+0x122/0x240
[  224.402204][ T6569]  kobject_add_internal+0x59f/0xb40
[  224.402235][ T6569]  kobject_init_and_add+0x125/0x190
[  224.402263][ T6569]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.402288][ T6569]  ? __raw_spin_lock_init+0x45/0x100
[  224.402310][ T6569]  ? __init_swait_queue_head+0xa9/0x150
[  224.402332][ T6569]  gfs2_sys_fs_add+0x234/0x450
[  224.402363][ T6569]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.402395][ T6569]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.402425][ T6569]  gfs2_fill_super+0x13c0/0x20d0
[  224.402455][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.402480][ T6569]  ? sb_set_blocksize+0x104/0x180
[  224.402508][ T6569]  ? setup_bdev_super+0x4c1/0x5b0
[  224.402533][ T6569]  get_tree_bdev_flags+0x40e/0x4d0
[  224.402558][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.402581][ T6569]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.402610][ T6569]  gfs2_get_tree+0x51/0x1e0
[  224.402634][ T6569]  vfs_get_tree+0x92/0x2b0
[  224.402659][ T6569]  do_new_mount+0x2a2/0xa30
[  224.402687][ T6569]  ? ns_capable+0x8a/0xf0
[  224.402716][ T6569]  ? __pfx_do_new_mount+0x10/0x10
[  224.402741][ T6569]  ? path_mount+0x61c/0xfe0
[  224.402765][ T6569]  ? user_path_at+0x44/0x60
[  224.402788][ T6569]  __se_sys_mount+0x317/0x410
[  224.402817][ T6569]  ? __pfx___se_sys_mount+0x10/0x10
[  224.402846][ T6569]  ? rcu_is_watching+0x15/0xb0
[  224.402875][ T6569]  ? __x64_sys_mount+0x20/0xc0
[  224.402903][ T6569]  do_syscall_64+0xfa/0xfa0
[  224.402928][ T6569]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.402948][ T6569]  ? clear_bhb_loop+0x60/0xb0
[  224.402972][ T6569]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.402992][ T6569] RIP: 0033:0x7fc51ad9038a
[  224.403010][ T6569] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.403028][ T6569] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.403051][ T6569] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  224.403067][ T6569] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  224.403092][ T6569] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  224.403107][ T6569] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  224.403121][ T6569] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  224.403144][ T6569]  </TASK>
[  224.403165][ T6569] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.719326][ T6569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.111328][ T6572] loop1: detected capacity change from 0 to 32768
[  225.126852][ T6572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.134293][ T6572] CPU: 0 UID: 0 PID: 6572 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  225.134320][ T6572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.134334][ T6572] Call Trace:
[  225.134342][ T6572]  <TASK>
[  225.134351][ T6572]  dump_stack_lvl+0x189/0x250
[  225.134383][ T6572]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.134408][ T6572]  ? __pfx__printk+0x10/0x10
[  225.134435][ T6572]  ? kernfs_root+0x1c/0x230
[  225.134456][ T6572]  ? kernfs_path_from_node+0x250/0x290
[  225.134474][ T6572]  ? kernfs_path_from_node+0x2f/0x290
[  225.134494][ T6572]  sysfs_create_dir_ns+0x259/0x280
[  225.134527][ T6572]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.134558][ T6572]  ? do_raw_spin_unlock+0x122/0x240
[  225.134582][ T6572]  kobject_add_internal+0x59f/0xb40
[  225.134613][ T6572]  kobject_init_and_add+0x125/0x190
[  225.134641][ T6572]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.134667][ T6572]  ? __raw_spin_lock_init+0x45/0x100
[  225.134689][ T6572]  ? __init_swait_queue_head+0xa9/0x150
[  225.134711][ T6572]  gfs2_sys_fs_add+0x234/0x450
[  225.134741][ T6572]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.134773][ T6572]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.134802][ T6572]  gfs2_fill_super+0x13c0/0x20d0
[  225.134831][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.134856][ T6572]  ? sb_set_blocksize+0x104/0x180
[  225.134884][ T6572]  ? setup_bdev_super+0x4c1/0x5b0
[  225.134909][ T6572]  get_tree_bdev_flags+0x40e/0x4d0
[  225.134933][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.134956][ T6572]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.134985][ T6572]  gfs2_get_tree+0x51/0x1e0
[  225.135009][ T6572]  vfs_get_tree+0x92/0x2b0
[  225.135034][ T6572]  do_new_mount+0x2a2/0xa30
[  225.135062][ T6572]  ? ns_capable+0x8a/0xf0
[  225.135090][ T6572]  ? __pfx_do_new_mount+0x10/0x10
[  225.135116][ T6572]  ? path_mount+0x61c/0xfe0
[  225.135140][ T6572]  ? user_path_at+0x44/0x60
[  225.135162][ T6572]  __se_sys_mount+0x317/0x410
[  225.135203][ T6572]  ? __pfx___se_sys_mount+0x10/0x10
[  225.135230][ T6572]  ? rcu_is_watching+0x15/0xb0
[  225.135263][ T6572]  ? __x64_sys_mount+0x20/0xc0
[  225.135292][ T6572]  do_syscall_64+0xfa/0xfa0
[  225.135318][ T6572]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.135339][ T6572]  ? clear_bhb_loop+0x60/0xb0
[  225.135363][ T6572]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.135383][ T6572] RIP: 0033:0x7fc51ad9038a
[  225.135402][ T6572] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.135421][ T6572] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.135445][ T6572] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  225.135462][ T6572] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  225.135477][ T6572] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  225.135492][ T6572] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  225.135507][ T6572] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  225.135532][ T6572]  </TASK>
[  225.438125][ T6572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.452269][ T6572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.836618][ T6575] loop1: detected capacity change from 0 to 32768
[  225.846979][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.854409][ T6575] CPU: 1 UID: 0 PID: 6575 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  225.854435][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.854448][ T6575] Call Trace:
[  225.854457][ T6575]  <TASK>
[  225.854466][ T6575]  dump_stack_lvl+0x189/0x250
[  225.854497][ T6575]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.854522][ T6575]  ? __pfx__printk+0x10/0x10
[  225.854548][ T6575]  ? kernfs_root+0x1c/0x230
[  225.854568][ T6575]  ? kernfs_path_from_node+0x250/0x290
[  225.854585][ T6575]  ? kernfs_path_from_node+0x2f/0x290
[  225.854605][ T6575]  sysfs_create_dir_ns+0x259/0x280
[  225.854636][ T6575]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.854667][ T6575]  ? do_raw_spin_unlock+0x122/0x240
[  225.854691][ T6575]  kobject_add_internal+0x59f/0xb40
[  225.854723][ T6575]  kobject_init_and_add+0x125/0x190
[  225.854751][ T6575]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.854776][ T6575]  ? __raw_spin_lock_init+0x45/0x100
[  225.854798][ T6575]  ? __init_swait_queue_head+0xa9/0x150
[  225.854820][ T6575]  gfs2_sys_fs_add+0x234/0x450
[  225.854851][ T6575]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.854893][ T6575]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.854928][ T6575]  gfs2_fill_super+0x13c0/0x20d0
[  225.854959][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.854983][ T6575]  ? sb_set_blocksize+0x104/0x180
[  225.855010][ T6575]  ? setup_bdev_super+0x4c1/0x5b0
[  225.855041][ T6575]  get_tree_bdev_flags+0x40e/0x4d0
[  225.855065][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.855087][ T6575]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.855117][ T6575]  gfs2_get_tree+0x51/0x1e0
[  225.855141][ T6575]  vfs_get_tree+0x92/0x2b0
[  225.855166][ T6575]  do_new_mount+0x2a2/0xa30
[  225.855197][ T6575]  ? ns_capable+0x8a/0xf0
[  225.855224][ T6575]  ? __pfx_do_new_mount+0x10/0x10
[  225.855254][ T6575]  ? path_mount+0x61c/0xfe0
[  225.855278][ T6575]  ? user_path_at+0x44/0x60
[  225.855300][ T6575]  __se_sys_mount+0x317/0x410
[  225.855330][ T6575]  ? __pfx___se_sys_mount+0x10/0x10
[  225.855359][ T6575]  ? rcu_is_watching+0x15/0xb0
[  225.855388][ T6575]  ? __x64_sys_mount+0x20/0xc0
[  225.855416][ T6575]  do_syscall_64+0xfa/0xfa0
[  225.855440][ T6575]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.855461][ T6575]  ? clear_bhb_loop+0x60/0xb0
[  225.855484][ T6575]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.855504][ T6575] RIP: 0033:0x7fc51ad9038a
[  225.855522][ T6575] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.855540][ T6575] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.855563][ T6575] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  225.855580][ T6575] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  225.855595][ T6575] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  225.855609][ T6575] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  225.855624][ T6575] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  225.855648][ T6575]  </TASK>
[  226.156718][ T6575] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.171457][ T6575] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 05:47:44 executed programs: 174
[  226.547850][ T6578] loop1: detected capacity change from 0 to 32768
[  226.562761][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.570800][ T6578] CPU: 1 UID: 0 PID: 6578 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  226.570828][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.570840][ T6578] Call Trace:
[  226.570848][ T6578]  <TASK>
[  226.570857][ T6578]  dump_stack_lvl+0x189/0x250
[  226.570888][ T6578]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.570912][ T6578]  ? __pfx__printk+0x10/0x10
[  226.570938][ T6578]  ? kernfs_root+0x1c/0x230
[  226.570960][ T6578]  ? kernfs_path_from_node+0x250/0x290
[  226.570982][ T6578]  ? kernfs_path_from_node+0x2f/0x290
[  226.571003][ T6578]  sysfs_create_dir_ns+0x259/0x280
[  226.571035][ T6578]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  226.571077][ T6578]  ? do_raw_spin_unlock+0x122/0x240
[  226.571102][ T6578]  kobject_add_internal+0x59f/0xb40
[  226.571133][ T6578]  kobject_init_and_add+0x125/0x190
[  226.571162][ T6578]  ? __pfx_kobject_init_and_add+0x10/0x10
[  226.571187][ T6578]  ? __raw_spin_lock_init+0x45/0x100
[  226.571209][ T6578]  ? __init_swait_queue_head+0xa9/0x150
[  226.571231][ T6578]  gfs2_sys_fs_add+0x234/0x450
[  226.571262][ T6578]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  226.571294][ T6578]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  226.571324][ T6578]  gfs2_fill_super+0x13c0/0x20d0
[  226.571354][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.571379][ T6578]  ? sb_set_blocksize+0x104/0x180
[  226.571407][ T6578]  ? setup_bdev_super+0x4c1/0x5b0
[  226.571433][ T6578]  get_tree_bdev_flags+0x40e/0x4d0
[  226.571458][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.571480][ T6578]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.571510][ T6578]  gfs2_get_tree+0x51/0x1e0
[  226.571534][ T6578]  vfs_get_tree+0x92/0x2b0
[  226.571558][ T6578]  do_new_mount+0x2a2/0xa30
[  226.571586][ T6578]  ? ns_capable+0x8a/0xf0
[  226.571614][ T6578]  ? __pfx_do_new_mount+0x10/0x10
[  226.571639][ T6578]  ? path_mount+0x61c/0xfe0
[  226.571663][ T6578]  ? user_path_at+0x44/0x60
[  226.571685][ T6578]  __se_sys_mount+0x317/0x410
[  226.571715][ T6578]  ? __pfx___se_sys_mount+0x10/0x10
[  226.571744][ T6578]  ? rcu_is_watching+0x15/0xb0
[  226.571773][ T6578]  ? __x64_sys_mount+0x20/0xc0
[  226.571800][ T6578]  do_syscall_64+0xfa/0xfa0
[  226.571826][ T6578]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.571847][ T6578]  ? clear_bhb_loop+0x60/0xb0
[  226.571870][ T6578]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.571891][ T6578] RIP: 0033:0x7fc51ad9038a
[  226.571909][ T6578] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.571929][ T6578] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.571952][ T6578] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  226.571968][ T6578] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  226.571984][ T6578] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  226.571999][ T6578] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  226.572013][ T6578] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  226.572036][ T6578]  </TASK>
[  226.572095][ T6578] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.887129][ T6578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.185392][ T5185] Bluetooth: hci1: command 0x0406 tx timeout
[  227.280744][ T6581] loop1: detected capacity change from 0 to 32768
[  227.296883][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.304316][ T6581] CPU: 0 UID: 0 PID: 6581 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  227.304344][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.304357][ T6581] Call Trace:
[  227.304365][ T6581]  <TASK>
[  227.304374][ T6581]  dump_stack_lvl+0x189/0x250
[  227.304405][ T6581]  ? __pfx_dump_stack_lvl+0x10/0x10
[  227.304430][ T6581]  ? __pfx__printk+0x10/0x10
[  227.304457][ T6581]  ? kernfs_root+0x1c/0x230
[  227.304478][ T6581]  ? kernfs_path_from_node+0x250/0x290
[  227.304496][ T6581]  ? kernfs_path_from_node+0x2f/0x290
[  227.304516][ T6581]  sysfs_create_dir_ns+0x259/0x280
[  227.304547][ T6581]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  227.304578][ T6581]  ? do_raw_spin_unlock+0x122/0x240
[  227.304602][ T6581]  kobject_add_internal+0x59f/0xb40
[  227.304633][ T6581]  kobject_init_and_add+0x125/0x190
[  227.304661][ T6581]  ? __pfx_kobject_init_and_add+0x10/0x10
[  227.304688][ T6581]  ? __raw_spin_lock_init+0x45/0x100
[  227.304710][ T6581]  ? __init_swait_queue_head+0xa9/0x150
[  227.304737][ T6581]  gfs2_sys_fs_add+0x234/0x450
[  227.304767][ T6581]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  227.304799][ T6581]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  227.304829][ T6581]  gfs2_fill_super+0x13c0/0x20d0
[  227.304860][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.304884][ T6581]  ? sb_set_blocksize+0x104/0x180
[  227.304912][ T6581]  ? setup_bdev_super+0x4c1/0x5b0
[  227.304938][ T6581]  get_tree_bdev_flags+0x40e/0x4d0
[  227.304962][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.304985][ T6581]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  227.305015][ T6581]  gfs2_get_tree+0x51/0x1e0
[  227.305038][ T6581]  vfs_get_tree+0x92/0x2b0
[  227.305063][ T6581]  do_new_mount+0x2a2/0xa30
[  227.305099][ T6581]  ? ns_capable+0x8a/0xf0
[  227.305129][ T6581]  ? __pfx_do_new_mount+0x10/0x10
[  227.305154][ T6581]  ? path_mount+0x61c/0xfe0
[  227.305177][ T6581]  ? user_path_at+0x44/0x60
[  227.305199][ T6581]  __se_sys_mount+0x317/0x410
[  227.305227][ T6581]  ? __pfx___se_sys_mount+0x10/0x10
[  227.305259][ T6581]  ? rcu_is_watching+0x15/0xb0
[  227.305286][ T6581]  ? __x64_sys_mount+0x20/0xc0
[  227.305312][ T6581]  do_syscall_64+0xfa/0xfa0
[  227.305337][ T6581]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.305358][ T6581]  ? clear_bhb_loop+0x60/0xb0
[  227.305381][ T6581]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.305401][ T6581] RIP: 0033:0x7fc51ad9038a
[  227.305419][ T6581] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.305438][ T6581] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.305461][ T6581] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  227.305477][ T6581] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  227.305493][ T6581] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  227.305507][ T6581] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  227.305521][ T6581] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  227.305545][ T6581]  </TASK>
[  227.604486][ T6581] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.618495][ T6581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.004016][ T6584] loop1: detected capacity change from 0 to 32768
[  228.015358][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.022790][ T6584] CPU: 1 UID: 0 PID: 6584 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  228.022817][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  228.022830][ T6584] Call Trace:
[  228.022838][ T6584]  <TASK>
[  228.022847][ T6584]  dump_stack_lvl+0x189/0x250
[  228.022878][ T6584]  ? __pfx_dump_stack_lvl+0x10/0x10
[  228.022903][ T6584]  ? __pfx__printk+0x10/0x10
[  228.022930][ T6584]  ? kernfs_root+0x1c/0x230
[  228.022950][ T6584]  ? kernfs_path_from_node+0x250/0x290
[  228.022969][ T6584]  ? kernfs_path_from_node+0x2f/0x290
[  228.022988][ T6584]  sysfs_create_dir_ns+0x259/0x280
[  228.023019][ T6584]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  228.023050][ T6584]  ? do_raw_spin_unlock+0x122/0x240
[  228.023075][ T6584]  kobject_add_internal+0x59f/0xb40
[  228.023106][ T6584]  kobject_init_and_add+0x125/0x190
[  228.023134][ T6584]  ? __pfx_kobject_init_and_add+0x10/0x10
[  228.023159][ T6584]  ? __raw_spin_lock_init+0x45/0x100
[  228.023181][ T6584]  ? __init_swait_queue_head+0xa9/0x150
[  228.023203][ T6584]  gfs2_sys_fs_add+0x234/0x450
[  228.023232][ T6584]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  228.023265][ T6584]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  228.023295][ T6584]  gfs2_fill_super+0x13c0/0x20d0
[  228.023325][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.023350][ T6584]  ? sb_set_blocksize+0x104/0x180
[  228.023378][ T6584]  ? setup_bdev_super+0x4c1/0x5b0
[  228.023403][ T6584]  get_tree_bdev_flags+0x40e/0x4d0
[  228.023427][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.023450][ T6584]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  228.023480][ T6584]  gfs2_get_tree+0x51/0x1e0
[  228.023503][ T6584]  vfs_get_tree+0x92/0x2b0
[  228.023527][ T6584]  do_new_mount+0x2a2/0xa30
[  228.023555][ T6584]  ? ns_capable+0x8a/0xf0
[  228.023582][ T6584]  ? __pfx_do_new_mount+0x10/0x10
[  228.023606][ T6584]  ? path_mount+0x61c/0xfe0
[  228.023630][ T6584]  ? user_path_at+0x44/0x60
[  228.023653][ T6584]  __se_sys_mount+0x317/0x410
[  228.023682][ T6584]  ? __pfx___se_sys_mount+0x10/0x10
[  228.023711][ T6584]  ? rcu_is_watching+0x15/0xb0
[  228.023751][ T6584]  ? __x64_sys_mount+0x20/0xc0
[  228.023779][ T6584]  do_syscall_64+0xfa/0xfa0
[  228.023805][ T6584]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.023825][ T6584]  ? clear_bhb_loop+0x60/0xb0
[  228.023848][ T6584]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.023868][ T6584] RIP: 0033:0x7fc51ad9038a
[  228.023887][ T6584] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.023906][ T6584] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.023928][ T6584] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  228.023944][ T6584] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  228.023960][ T6584] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  228.023974][ T6584] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  228.023988][ T6584] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  228.024011][ T6584]  </TASK>
[  228.024032][ T6584] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.339651][ T6584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.721795][ T6587] loop1: detected capacity change from 0 to 32768
[  228.733447][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.741246][ T6587] CPU: 0 UID: 0 PID: 6587 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  228.741272][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  228.741286][ T6587] Call Trace:
[  228.741294][ T6587]  <TASK>
[  228.741302][ T6587]  dump_stack_lvl+0x189/0x250
[  228.741334][ T6587]  ? __pfx_dump_stack_lvl+0x10/0x10
[  228.741358][ T6587]  ? __pfx__printk+0x10/0x10
[  228.741385][ T6587]  ? kernfs_root+0x1c/0x230
[  228.741406][ T6587]  ? kernfs_path_from_node+0x250/0x290
[  228.741424][ T6587]  ? kernfs_path_from_node+0x2f/0x290
[  228.741444][ T6587]  sysfs_create_dir_ns+0x259/0x280
[  228.741475][ T6587]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  228.741506][ T6587]  ? do_raw_spin_unlock+0x122/0x240
[  228.741530][ T6587]  kobject_add_internal+0x59f/0xb40
[  228.741561][ T6587]  kobject_init_and_add+0x125/0x190
[  228.741590][ T6587]  ? __pfx_kobject_init_and_add+0x10/0x10
[  228.741616][ T6587]  ? __raw_spin_lock_init+0x45/0x100
[  228.741637][ T6587]  ? __init_swait_queue_head+0xa9/0x150
[  228.741659][ T6587]  gfs2_sys_fs_add+0x234/0x450
[  228.741690][ T6587]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  228.741723][ T6587]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  228.741752][ T6587]  gfs2_fill_super+0x13c0/0x20d0
[  228.741783][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.741807][ T6587]  ? sb_set_blocksize+0x104/0x180
[  228.741835][ T6587]  ? setup_bdev_super+0x4c1/0x5b0
[  228.741861][ T6587]  get_tree_bdev_flags+0x40e/0x4d0
[  228.741895][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.741918][ T6587]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  228.741947][ T6587]  gfs2_get_tree+0x51/0x1e0
[  228.741970][ T6587]  vfs_get_tree+0x92/0x2b0
[  228.741995][ T6587]  do_new_mount+0x2a2/0xa30
[  228.742022][ T6587]  ? ns_capable+0x8a/0xf0
[  228.742051][ T6587]  ? __pfx_do_new_mount+0x10/0x10
[  228.742076][ T6587]  ? path_mount+0x61c/0xfe0
[  228.742100][ T6587]  ? user_path_at+0x44/0x60
[  228.742123][ T6587]  __se_sys_mount+0x317/0x410
[  228.742152][ T6587]  ? __pfx___se_sys_mount+0x10/0x10
[  228.742181][ T6587]  ? rcu_is_watching+0x15/0xb0
[  228.742210][ T6587]  ? __x64_sys_mount+0x20/0xc0
[  228.742238][ T6587]  do_syscall_64+0xfa/0xfa0
[  228.742263][ T6587]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.742284][ T6587]  ? clear_bhb_loop+0x60/0xb0
[  228.742307][ T6587]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.742327][ T6587] RIP: 0033:0x7fc51ad9038a
[  228.742345][ T6587] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.742376][ T6587] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.742397][ T6587] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  228.742413][ T6587] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  228.742428][ T6587] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  228.742442][ T6587] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  228.742474][ T6587] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  228.742498][ T6587]  </TASK>
[  228.742524][ T6587] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.059201][ T6587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.451107][ T6590] loop1: detected capacity change from 0 to 32768
[  229.467202][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.474710][ T6590] CPU: 1 UID: 0 PID: 6590 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  229.474736][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  229.474750][ T6590] Call Trace:
[  229.474758][ T6590]  <TASK>
[  229.474766][ T6590]  dump_stack_lvl+0x189/0x250
[  229.474797][ T6590]  ? __pfx_dump_stack_lvl+0x10/0x10
[  229.474822][ T6590]  ? __pfx__printk+0x10/0x10
[  229.474849][ T6590]  ? kernfs_root+0x1c/0x230
[  229.474878][ T6590]  ? kernfs_path_from_node+0x250/0x290
[  229.474896][ T6590]  ? kernfs_path_from_node+0x2f/0x290
[  229.474917][ T6590]  sysfs_create_dir_ns+0x259/0x280
[  229.474948][ T6590]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  229.474980][ T6590]  ? do_raw_spin_unlock+0x122/0x240
[  229.475004][ T6590]  kobject_add_internal+0x59f/0xb40
[  229.475035][ T6590]  kobject_init_and_add+0x125/0x190
[  229.475063][ T6590]  ? __pfx_kobject_init_and_add+0x10/0x10
[  229.475089][ T6590]  ? __raw_spin_lock_init+0x45/0x100
[  229.475111][ T6590]  ? __init_swait_queue_head+0xa9/0x150
[  229.475133][ T6590]  gfs2_sys_fs_add+0x234/0x450
[  229.475164][ T6590]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  229.475200][ T6590]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  229.475228][ T6590]  gfs2_fill_super+0x13c0/0x20d0
[  229.475264][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.475287][ T6590]  ? sb_set_blocksize+0x104/0x180
[  229.475316][ T6590]  ? setup_bdev_super+0x4c1/0x5b0
[  229.475341][ T6590]  get_tree_bdev_flags+0x40e/0x4d0
[  229.475364][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.475386][ T6590]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  229.475434][ T6590]  gfs2_get_tree+0x51/0x1e0
[  229.475457][ T6590]  vfs_get_tree+0x92/0x2b0
[  229.475482][ T6590]  do_new_mount+0x2a2/0xa30
[  229.475510][ T6590]  ? ns_capable+0x8a/0xf0
[  229.475539][ T6590]  ? __pfx_do_new_mount+0x10/0x10
[  229.475563][ T6590]  ? path_mount+0x61c/0xfe0
[  229.475587][ T6590]  ? user_path_at+0x44/0x60
[  229.475610][ T6590]  __se_sys_mount+0x317/0x410
[  229.475639][ T6590]  ? __pfx___se_sys_mount+0x10/0x10
[  229.475668][ T6590]  ? rcu_is_watching+0x15/0xb0
[  229.475696][ T6590]  ? __x64_sys_mount+0x20/0xc0
[  229.475723][ T6590]  do_syscall_64+0xfa/0xfa0
[  229.475748][ T6590]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.475768][ T6590]  ? clear_bhb_loop+0x60/0xb0
[  229.475791][ T6590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.475811][ T6590] RIP: 0033:0x7fc51ad9038a
[  229.475829][ T6590] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.475848][ T6590] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.475877][ T6590] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  229.475894][ T6590] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  229.475909][ T6590] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  229.475924][ T6590] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  229.475938][ T6590] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  229.475963][ T6590]  </TASK>
[  229.777681][ T6590] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.791740][ T6590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.181981][ T6593] loop1: detected capacity change from 0 to 32768
[  230.193055][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.200830][ T6593] CPU: 0 UID: 0 PID: 6593 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  230.200856][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.200868][ T6593] Call Trace:
[  230.200876][ T6593]  <TASK>
[  230.200884][ T6593]  dump_stack_lvl+0x189/0x250
[  230.200915][ T6593]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.200939][ T6593]  ? __pfx__printk+0x10/0x10
[  230.200966][ T6593]  ? kernfs_root+0x1c/0x230
[  230.200985][ T6593]  ? kernfs_path_from_node+0x250/0x290
[  230.201003][ T6593]  ? kernfs_path_from_node+0x2f/0x290
[  230.201023][ T6593]  sysfs_create_dir_ns+0x259/0x280
[  230.201055][ T6593]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.201086][ T6593]  ? do_raw_spin_unlock+0x122/0x240
[  230.201109][ T6593]  kobject_add_internal+0x59f/0xb40
[  230.201140][ T6593]  kobject_init_and_add+0x125/0x190
[  230.201167][ T6593]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.201193][ T6593]  ? __raw_spin_lock_init+0x45/0x100
[  230.201215][ T6593]  ? __init_swait_queue_head+0xa9/0x150
[  230.201236][ T6593]  gfs2_sys_fs_add+0x234/0x450
[  230.201267][ T6593]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.201299][ T6593]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.201328][ T6593]  gfs2_fill_super+0x13c0/0x20d0
[  230.201359][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.201384][ T6593]  ? sb_set_blocksize+0x104/0x180
[  230.201412][ T6593]  ? setup_bdev_super+0x4c1/0x5b0
[  230.201437][ T6593]  get_tree_bdev_flags+0x40e/0x4d0
[  230.201462][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.201484][ T6593]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.201514][ T6593]  gfs2_get_tree+0x51/0x1e0
[  230.201537][ T6593]  vfs_get_tree+0x92/0x2b0
[  230.201559][ T6593]  do_new_mount+0x2a2/0xa30
[  230.201587][ T6593]  ? ns_capable+0x8a/0xf0
[  230.201615][ T6593]  ? __pfx_do_new_mount+0x10/0x10
[  230.201640][ T6593]  ? path_mount+0x61c/0xfe0
[  230.201664][ T6593]  ? user_path_at+0x44/0x60
[  230.201698][ T6593]  __se_sys_mount+0x317/0x410
[  230.201726][ T6593]  ? __pfx___se_sys_mount+0x10/0x10
[  230.201771][ T6593]  ? rcu_is_watching+0x15/0xb0
[  230.201809][ T6593]  ? __x64_sys_mount+0x20/0xc0
[  230.201837][ T6593]  do_syscall_64+0xfa/0xfa0
[  230.201863][ T6593]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.201883][ T6593]  ? clear_bhb_loop+0x60/0xb0
[  230.201906][ T6593]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.201925][ T6593] RIP: 0033:0x7fc51ad9038a
[  230.201944][ T6593] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.201963][ T6593] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.201985][ T6593] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  230.202001][ T6593] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  230.202017][ T6593] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  230.202032][ T6593] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  230.202045][ T6593] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  230.202069][ T6593]  </TASK>
[  230.202090][ T6593] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.521579][ T6593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.908005][ T6596] loop1: detected capacity change from 0 to 32768
[  230.919645][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.927198][ T6596] CPU: 1 UID: 0 PID: 6596 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  230.927226][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.927240][ T6596] Call Trace:
[  230.927248][ T6596]  <TASK>
[  230.927257][ T6596]  dump_stack_lvl+0x189/0x250
[  230.927288][ T6596]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.927313][ T6596]  ? __pfx__printk+0x10/0x10
[  230.927341][ T6596]  ? kernfs_root+0x1c/0x230
[  230.927361][ T6596]  ? kernfs_path_from_node+0x250/0x290
[  230.927379][ T6596]  ? kernfs_path_from_node+0x2f/0x290
[  230.927400][ T6596]  sysfs_create_dir_ns+0x259/0x280
[  230.927431][ T6596]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.927463][ T6596]  ? do_raw_spin_unlock+0x122/0x240
[  230.927487][ T6596]  kobject_add_internal+0x59f/0xb40
[  230.927518][ T6596]  kobject_init_and_add+0x125/0x190
[  230.927546][ T6596]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.927572][ T6596]  ? __raw_spin_lock_init+0x45/0x100
[  230.927594][ T6596]  ? __init_swait_queue_head+0xa9/0x150
[  230.927615][ T6596]  gfs2_sys_fs_add+0x234/0x450
[  230.927644][ T6596]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.927676][ T6596]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.927705][ T6596]  gfs2_fill_super+0x13c0/0x20d0
[  230.927745][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.927770][ T6596]  ? sb_set_blocksize+0x104/0x180
[  230.927799][ T6596]  ? setup_bdev_super+0x4c1/0x5b0
[  230.927825][ T6596]  get_tree_bdev_flags+0x40e/0x4d0
[  230.927849][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.927872][ T6596]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.927902][ T6596]  gfs2_get_tree+0x51/0x1e0
[  230.927925][ T6596]  vfs_get_tree+0x92/0x2b0
[  230.927950][ T6596]  do_new_mount+0x2a2/0xa30
[  230.927977][ T6596]  ? ns_capable+0x8a/0xf0
[  230.928006][ T6596]  ? __pfx_do_new_mount+0x10/0x10
[  230.928031][ T6596]  ? path_mount+0x61c/0xfe0
[  230.928054][ T6596]  ? user_path_at+0x44/0x60
[  230.928077][ T6596]  __se_sys_mount+0x317/0x410
[  230.928120][ T6596]  ? __pfx___se_sys_mount+0x10/0x10
[  230.928147][ T6596]  ? rcu_is_watching+0x15/0xb0
[  230.928175][ T6596]  ? __x64_sys_mount+0x20/0xc0
[  230.928202][ T6596]  do_syscall_64+0xfa/0xfa0
[  230.928226][ T6596]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.928247][ T6596]  ? clear_bhb_loop+0x60/0xb0
[  230.928269][ T6596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.928288][ T6596] RIP: 0033:0x7fc51ad9038a
[  230.928306][ T6596] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.928324][ T6596] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.928347][ T6596] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  230.928362][ T6596] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  230.928377][ T6596] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  230.928391][ T6596] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  230.928405][ T6596] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  230.928446][ T6596]  </TASK>
[  230.928467][ T6596] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.243486][ T6596] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 05:47:49 executed programs: 181
[  231.629141][ T6599] loop1: detected capacity change from 0 to 32768
[  231.643768][ T6599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.652646][ T6599] CPU: 0 UID: 0 PID: 6599 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  231.652673][ T6599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  231.652687][ T6599] Call Trace:
[  231.652695][ T6599]  <TASK>
[  231.652703][ T6599]  dump_stack_lvl+0x189/0x250
[  231.652735][ T6599]  ? __pfx_dump_stack_lvl+0x10/0x10
[  231.652760][ T6599]  ? __pfx__printk+0x10/0x10
[  231.652787][ T6599]  ? kernfs_root+0x1c/0x230
[  231.652808][ T6599]  ? kernfs_path_from_node+0x250/0x290
[  231.652826][ T6599]  ? kernfs_path_from_node+0x2f/0x290
[  231.652846][ T6599]  sysfs_create_dir_ns+0x259/0x280
[  231.652876][ T6599]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  231.652909][ T6599]  ? do_raw_spin_unlock+0x122/0x240
[  231.652932][ T6599]  kobject_add_internal+0x59f/0xb40
[  231.652964][ T6599]  kobject_init_and_add+0x125/0x190
[  231.652992][ T6599]  ? __pfx_kobject_init_and_add+0x10/0x10
[  231.653018][ T6599]  ? __raw_spin_lock_init+0x45/0x100
[  231.653040][ T6599]  ? __init_swait_queue_head+0xa9/0x150
[  231.653061][ T6599]  gfs2_sys_fs_add+0x234/0x450
[  231.653092][ T6599]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  231.653125][ T6599]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  231.653155][ T6599]  gfs2_fill_super+0x13c0/0x20d0
[  231.653186][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.653210][ T6599]  ? sb_set_blocksize+0x104/0x180
[  231.653239][ T6599]  ? setup_bdev_super+0x4c1/0x5b0
[  231.653265][ T6599]  get_tree_bdev_flags+0x40e/0x4d0
[  231.653289][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.653312][ T6599]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  231.653342][ T6599]  gfs2_get_tree+0x51/0x1e0
[  231.653376][ T6599]  vfs_get_tree+0x92/0x2b0
[  231.653402][ T6599]  do_new_mount+0x2a2/0xa30
[  231.653429][ T6599]  ? ns_capable+0x8a/0xf0
[  231.653457][ T6599]  ? __pfx_do_new_mount+0x10/0x10
[  231.653482][ T6599]  ? path_mount+0x61c/0xfe0
[  231.653506][ T6599]  ? user_path_at+0x44/0x60
[  231.653529][ T6599]  __se_sys_mount+0x317/0x410
[  231.653558][ T6599]  ? __pfx___se_sys_mount+0x10/0x10
[  231.653587][ T6599]  ? rcu_is_watching+0x15/0xb0
[  231.653617][ T6599]  ? __x64_sys_mount+0x20/0xc0
[  231.653644][ T6599]  do_syscall_64+0xfa/0xfa0
[  231.653669][ T6599]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.653690][ T6599]  ? clear_bhb_loop+0x60/0xb0
[  231.653713][ T6599]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.653734][ T6599] RIP: 0033:0x7fc51ad9038a
[  231.653752][ T6599] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.653772][ T6599] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.653794][ T6599] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  231.653810][ T6599] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  231.653825][ T6599] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  231.653840][ T6599] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  231.653853][ T6599] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  231.653877][ T6599]  </TASK>
[  231.653899][ T6599] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.971142][ T6599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.357041][ T6602] loop1: detected capacity change from 0 to 32768
[  232.373345][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.380942][ T6602] CPU: 1 UID: 0 PID: 6602 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  232.380970][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  232.380983][ T6602] Call Trace:
[  232.380992][ T6602]  <TASK>
[  232.381000][ T6602]  dump_stack_lvl+0x189/0x250
[  232.381031][ T6602]  ? __pfx_dump_stack_lvl+0x10/0x10
[  232.381056][ T6602]  ? __pfx__printk+0x10/0x10
[  232.381083][ T6602]  ? kernfs_root+0x1c/0x230
[  232.381104][ T6602]  ? kernfs_path_from_node+0x250/0x290
[  232.381122][ T6602]  ? kernfs_path_from_node+0x2f/0x290
[  232.381143][ T6602]  sysfs_create_dir_ns+0x259/0x280
[  232.381174][ T6602]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  232.381206][ T6602]  ? do_raw_spin_unlock+0x122/0x240
[  232.381230][ T6602]  kobject_add_internal+0x59f/0xb40
[  232.381261][ T6602]  kobject_init_and_add+0x125/0x190
[  232.381289][ T6602]  ? __pfx_kobject_init_and_add+0x10/0x10
[  232.381315][ T6602]  ? __raw_spin_lock_init+0x45/0x100
[  232.381336][ T6602]  ? __init_swait_queue_head+0xa9/0x150
[  232.381358][ T6602]  gfs2_sys_fs_add+0x234/0x450
[  232.381387][ T6602]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  232.381420][ T6602]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  232.381449][ T6602]  gfs2_fill_super+0x13c0/0x20d0
[  232.381481][ T6602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.381505][ T6602]  ? sb_set_blocksize+0x104/0x180
[  232.381533][ T6602]  ? setup_bdev_super+0x4c1/0x5b0
[  232.381558][ T6602]  get_tree_bdev_flags+0x40e/0x4d0
[  232.381592][ T6602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.381615][ T6602]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  232.381645][ T6602]  gfs2_get_tree+0x51/0x1e0
[  232.381668][ T6602]  vfs_get_tree+0x92/0x2b0
[  232.381693][ T6602]  do_new_mount+0x2a2/0xa30
[  232.381720][ T6602]  ? ns_capable+0x8a/0xf0
[  232.381748][ T6602]  ? __pfx_do_new_mount+0x10/0x10
[  232.381773][ T6602]  ? path_mount+0x61c/0xfe0
[  232.381797][ T6602]  ? user_path_at+0x44/0x60
[  232.381820][ T6602]  __se_sys_mount+0x317/0x410
[  232.381849][ T6602]  ? __pfx___se_sys_mount+0x10/0x10
[  232.381878][ T6602]  ? rcu_is_watching+0x15/0xb0
[  232.381907][ T6602]  ? __x64_sys_mount+0x20/0xc0
[  232.381935][ T6602]  do_syscall_64+0xfa/0xfa0
[  232.381960][ T6602]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.381980][ T6602]  ? clear_bhb_loop+0x60/0xb0
[  232.382004][ T6602]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.382024][ T6602] RIP: 0033:0x7fc51ad9038a
[  232.382042][ T6602] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.382061][ T6602] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.382085][ T6602] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  232.382101][ T6602] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  232.382116][ T6602] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  232.382131][ T6602] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  232.382145][ T6602] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  232.382169][ T6602]  </TASK>
[  232.382190][ T6602] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.696796][ T6602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.086019][ T6605] loop1: detected capacity change from 0 to 32768
[  233.096296][ T6605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.103742][ T6605] CPU: 0 UID: 0 PID: 6605 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  233.103768][ T6605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  233.103781][ T6605] Call Trace:
[  233.103790][ T6605]  <TASK>
[  233.103798][ T6605]  dump_stack_lvl+0x189/0x250
[  233.103831][ T6605]  ? __pfx_dump_stack_lvl+0x10/0x10
[  233.103854][ T6605]  ? __pfx__printk+0x10/0x10
[  233.103881][ T6605]  ? kernfs_root+0x1c/0x230
[  233.103900][ T6605]  ? kernfs_path_from_node+0x250/0x290
[  233.103918][ T6605]  ? kernfs_path_from_node+0x2f/0x290
[  233.103938][ T6605]  sysfs_create_dir_ns+0x259/0x280
[  233.103969][ T6605]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  233.104000][ T6605]  ? do_raw_spin_unlock+0x122/0x240
[  233.104023][ T6605]  kobject_add_internal+0x59f/0xb40
[  233.104054][ T6605]  kobject_init_and_add+0x125/0x190
[  233.104082][ T6605]  ? __pfx_kobject_init_and_add+0x10/0x10
[  233.104108][ T6605]  ? __raw_spin_lock_init+0x45/0x100
[  233.104129][ T6605]  ? __init_swait_queue_head+0xa9/0x150
[  233.104151][ T6605]  gfs2_sys_fs_add+0x234/0x450
[  233.104181][ T6605]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  233.104214][ T6605]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  233.104244][ T6605]  gfs2_fill_super+0x13c0/0x20d0
[  233.104275][ T6605]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.104299][ T6605]  ? sb_set_blocksize+0x104/0x180
[  233.104327][ T6605]  ? setup_bdev_super+0x4c1/0x5b0
[  233.104353][ T6605]  get_tree_bdev_flags+0x40e/0x4d0
[  233.104376][ T6605]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.104399][ T6605]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  233.104429][ T6605]  gfs2_get_tree+0x51/0x1e0
[  233.104452][ T6605]  vfs_get_tree+0x92/0x2b0
[  233.104477][ T6605]  do_new_mount+0x2a2/0xa30
[  233.104512][ T6605]  ? ns_capable+0x8a/0xf0
[  233.104542][ T6605]  ? __pfx_do_new_mount+0x10/0x10
[  233.104567][ T6605]  ? path_mount+0x61c/0xfe0
[  233.104591][ T6605]  ? user_path_at+0x44/0x60
[  233.104615][ T6605]  __se_sys_mount+0x317/0x410
[  233.104644][ T6605]  ? __pfx___se_sys_mount+0x10/0x10
[  233.104673][ T6605]  ? rcu_is_watching+0x15/0xb0
[  233.104701][ T6605]  ? __x64_sys_mount+0x20/0xc0
[  233.104729][ T6605]  do_syscall_64+0xfa/0xfa0
[  233.104754][ T6605]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.104775][ T6605]  ? clear_bhb_loop+0x60/0xb0
[  233.104798][ T6605]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.104818][ T6605] RIP: 0033:0x7fc51ad9038a
[  233.104836][ T6605] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.104854][ T6605] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.104877][ T6605] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  233.104893][ T6605] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  233.104908][ T6605] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  233.104923][ T6605] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  233.104937][ T6605] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  233.104961][ T6605]  </TASK>
[  233.104982][ T6605] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.421327][ T6605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.810272][ T6608] loop1: detected capacity change from 0 to 32768
[  233.821922][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.829533][ T6608] CPU: 0 UID: 0 PID: 6608 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  233.829562][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  233.829575][ T6608] Call Trace:
[  233.829583][ T6608]  <TASK>
[  233.829591][ T6608]  dump_stack_lvl+0x189/0x250
[  233.829623][ T6608]  ? __pfx_dump_stack_lvl+0x10/0x10
[  233.829648][ T6608]  ? __pfx__printk+0x10/0x10
[  233.829675][ T6608]  ? kernfs_root+0x1c/0x230
[  233.829695][ T6608]  ? kernfs_path_from_node+0x250/0x290
[  233.829713][ T6608]  ? kernfs_path_from_node+0x2f/0x290
[  233.829734][ T6608]  sysfs_create_dir_ns+0x259/0x280
[  233.829766][ T6608]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  233.829797][ T6608]  ? do_raw_spin_unlock+0x122/0x240
[  233.829820][ T6608]  kobject_add_internal+0x59f/0xb40
[  233.829851][ T6608]  kobject_init_and_add+0x125/0x190
[  233.829878][ T6608]  ? __pfx_kobject_init_and_add+0x10/0x10
[  233.829904][ T6608]  ? __raw_spin_lock_init+0x45/0x100
[  233.829925][ T6608]  ? __init_swait_queue_head+0xa9/0x150
[  233.829947][ T6608]  gfs2_sys_fs_add+0x234/0x450
[  233.829977][ T6608]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  233.830010][ T6608]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  233.830039][ T6608]  gfs2_fill_super+0x13c0/0x20d0
[  233.830070][ T6608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.830095][ T6608]  ? sb_set_blocksize+0x104/0x180
[  233.830123][ T6608]  ? setup_bdev_super+0x4c1/0x5b0
[  233.830149][ T6608]  get_tree_bdev_flags+0x40e/0x4d0
[  233.830172][ T6608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.830194][ T6608]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  233.830224][ T6608]  gfs2_get_tree+0x51/0x1e0
[  233.830247][ T6608]  vfs_get_tree+0x92/0x2b0
[  233.830272][ T6608]  do_new_mount+0x2a2/0xa30
[  233.830299][ T6608]  ? ns_capable+0x8a/0xf0
[  233.830327][ T6608]  ? __pfx_do_new_mount+0x10/0x10
[  233.830352][ T6608]  ? path_mount+0x61c/0xfe0
[  233.830375][ T6608]  ? user_path_at+0x44/0x60
[  233.830399][ T6608]  __se_sys_mount+0x317/0x410
[  233.830428][ T6608]  ? __pfx___se_sys_mount+0x10/0x10
[  233.830468][ T6608]  ? rcu_is_watching+0x15/0xb0
[  233.830497][ T6608]  ? __x64_sys_mount+0x20/0xc0
[  233.830525][ T6608]  do_syscall_64+0xfa/0xfa0
[  233.830550][ T6608]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.830570][ T6608]  ? clear_bhb_loop+0x60/0xb0
[  233.830593][ T6608]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.830613][ T6608] RIP: 0033:0x7fc51ad9038a
[  233.830631][ T6608] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.830650][ T6608] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.830673][ T6608] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  233.830689][ T6608] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  233.830704][ T6608] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  233.830718][ T6608] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  233.830732][ T6608] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  233.830756][ T6608]  </TASK>
[  233.830799][ T6608] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.147291][ T6608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.532384][ T6611] loop1: detected capacity change from 0 to 32768
[  234.540988][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.548877][ T6611] CPU: 1 UID: 0 PID: 6611 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  234.548903][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  234.548916][ T6611] Call Trace:
[  234.548924][ T6611]  <TASK>
[  234.548932][ T6611]  dump_stack_lvl+0x189/0x250
[  234.548962][ T6611]  ? __pfx_dump_stack_lvl+0x10/0x10
[  234.548986][ T6611]  ? __pfx__printk+0x10/0x10
[  234.549013][ T6611]  ? kernfs_root+0x1c/0x230
[  234.549033][ T6611]  ? kernfs_path_from_node+0x250/0x290
[  234.549050][ T6611]  ? kernfs_path_from_node+0x2f/0x290
[  234.549070][ T6611]  sysfs_create_dir_ns+0x259/0x280
[  234.549101][ T6611]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  234.549143][ T6611]  ? do_raw_spin_unlock+0x122/0x240
[  234.549166][ T6611]  kobject_add_internal+0x59f/0xb40
[  234.549196][ T6611]  kobject_init_and_add+0x125/0x190
[  234.549223][ T6611]  ? __pfx_kobject_init_and_add+0x10/0x10
[  234.549249][ T6611]  ? __raw_spin_lock_init+0x45/0x100
[  234.549271][ T6611]  ? __init_swait_queue_head+0xa9/0x150
[  234.549292][ T6611]  gfs2_sys_fs_add+0x234/0x450
[  234.549322][ T6611]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  234.549356][ T6611]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  234.549384][ T6611]  gfs2_fill_super+0x13c0/0x20d0
[  234.549416][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.549440][ T6611]  ? sb_set_blocksize+0x104/0x180
[  234.549468][ T6611]  ? setup_bdev_super+0x4c1/0x5b0
[  234.549494][ T6611]  get_tree_bdev_flags+0x40e/0x4d0
[  234.549517][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.549540][ T6611]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  234.549569][ T6611]  gfs2_get_tree+0x51/0x1e0
[  234.549592][ T6611]  vfs_get_tree+0x92/0x2b0
[  234.549617][ T6611]  do_new_mount+0x2a2/0xa30
[  234.549646][ T6611]  ? ns_capable+0x8a/0xf0
[  234.549673][ T6611]  ? __pfx_do_new_mount+0x10/0x10
[  234.549698][ T6611]  ? path_mount+0x61c/0xfe0
[  234.549722][ T6611]  ? user_path_at+0x44/0x60
[  234.549745][ T6611]  __se_sys_mount+0x317/0x410
[  234.549774][ T6611]  ? __pfx___se_sys_mount+0x10/0x10
[  234.549802][ T6611]  ? rcu_is_watching+0x15/0xb0
[  234.549831][ T6611]  ? __x64_sys_mount+0x20/0xc0
[  234.549858][ T6611]  do_syscall_64+0xfa/0xfa0
[  234.549883][ T6611]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.549903][ T6611]  ? clear_bhb_loop+0x60/0xb0
[  234.549926][ T6611]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.549946][ T6611] RIP: 0033:0x7fc51ad9038a
[  234.549965][ T6611] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.549984][ T6611] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.550006][ T6611] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  234.550022][ T6611] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  234.550038][ T6611] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  234.550052][ T6611] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  234.550066][ T6611] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  234.550089][ T6611]  </TASK>
[  234.550114][ T6611] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.864343][ T6611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.253643][ T6614] loop1: detected capacity change from 0 to 32768
[  235.275440][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.282994][ T6614] CPU: 1 UID: 0 PID: 6614 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  235.283021][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.283035][ T6614] Call Trace:
[  235.283050][ T6614]  <TASK>
[  235.283059][ T6614]  dump_stack_lvl+0x189/0x250
[  235.283090][ T6614]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.283114][ T6614]  ? __pfx__printk+0x10/0x10
[  235.283141][ T6614]  ? kernfs_root+0x1c/0x230
[  235.283161][ T6614]  ? kernfs_path_from_node+0x250/0x290
[  235.283179][ T6614]  ? kernfs_path_from_node+0x2f/0x290
[  235.283200][ T6614]  sysfs_create_dir_ns+0x259/0x280
[  235.283231][ T6614]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  235.283262][ T6614]  ? do_raw_spin_unlock+0x122/0x240
[  235.283285][ T6614]  kobject_add_internal+0x59f/0xb40
[  235.283316][ T6614]  kobject_init_and_add+0x125/0x190
[  235.283344][ T6614]  ? __pfx_kobject_init_and_add+0x10/0x10
[  235.283370][ T6614]  ? __raw_spin_lock_init+0x45/0x100
[  235.283392][ T6614]  ? __init_swait_queue_head+0xa9/0x150
[  235.283414][ T6614]  gfs2_sys_fs_add+0x234/0x450
[  235.283444][ T6614]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  235.283478][ T6614]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  235.283507][ T6614]  gfs2_fill_super+0x13c0/0x20d0
[  235.283538][ T6614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.283562][ T6614]  ? sb_set_blocksize+0x104/0x180
[  235.283590][ T6614]  ? setup_bdev_super+0x4c1/0x5b0
[  235.283615][ T6614]  get_tree_bdev_flags+0x40e/0x4d0
[  235.283640][ T6614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.283663][ T6614]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  235.283693][ T6614]  gfs2_get_tree+0x51/0x1e0
[  235.283716][ T6614]  vfs_get_tree+0x92/0x2b0
[  235.283742][ T6614]  do_new_mount+0x2a2/0xa30
[  235.283769][ T6614]  ? ns_capable+0x8a/0xf0
[  235.283798][ T6614]  ? __pfx_do_new_mount+0x10/0x10
[  235.283823][ T6614]  ? path_mount+0x61c/0xfe0
[  235.283846][ T6614]  ? user_path_at+0x44/0x60
[  235.283868][ T6614]  __se_sys_mount+0x317/0x410
[  235.283896][ T6614]  ? __pfx___se_sys_mount+0x10/0x10
[  235.283925][ T6614]  ? rcu_is_watching+0x15/0xb0
[  235.283954][ T6614]  ? __x64_sys_mount+0x20/0xc0
[  235.283982][ T6614]  do_syscall_64+0xfa/0xfa0
[  235.284007][ T6614]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.284028][ T6614]  ? clear_bhb_loop+0x60/0xb0
[  235.284061][ T6614]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.284081][ T6614] RIP: 0033:0x7fc51ad9038a
[  235.284100][ T6614] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.284118][ T6614] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.284141][ T6614] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  235.284157][ T6614] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  235.284173][ T6614] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  235.284187][ T6614] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  235.284202][ T6614] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  235.284225][ T6614]  </TASK>
[  235.284246][ T6614] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.602153][ T6614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.988767][ T6617] loop1: detected capacity change from 0 to 32768
[  235.999868][ T6617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.008379][ T6617] CPU: 0 UID: 0 PID: 6617 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  236.008407][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  236.008420][ T6617] Call Trace:
[  236.008429][ T6617]  <TASK>
[  236.008437][ T6617]  dump_stack_lvl+0x189/0x250
[  236.008469][ T6617]  ? __pfx_dump_stack_lvl+0x10/0x10
[  236.008494][ T6617]  ? __pfx__printk+0x10/0x10
[  236.008520][ T6617]  ? kernfs_root+0x1c/0x230
[  236.008540][ T6617]  ? kernfs_path_from_node+0x250/0x290
[  236.008558][ T6617]  ? kernfs_path_from_node+0x2f/0x290
[  236.008579][ T6617]  sysfs_create_dir_ns+0x259/0x280
[  236.008610][ T6617]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.008642][ T6617]  ? do_raw_spin_unlock+0x122/0x240
[  236.008665][ T6617]  kobject_add_internal+0x59f/0xb40
[  236.008695][ T6617]  kobject_init_and_add+0x125/0x190
[  236.008723][ T6617]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.008750][ T6617]  ? __raw_spin_lock_init+0x45/0x100
[  236.008771][ T6617]  ? __init_swait_queue_head+0xa9/0x150
[  236.008793][ T6617]  gfs2_sys_fs_add+0x234/0x450
[  236.008825][ T6617]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.008858][ T6617]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.008887][ T6617]  gfs2_fill_super+0x13c0/0x20d0
[  236.008917][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.008941][ T6617]  ? sb_set_blocksize+0x104/0x180
[  236.008970][ T6617]  ? setup_bdev_super+0x4c1/0x5b0
[  236.008996][ T6617]  get_tree_bdev_flags+0x40e/0x4d0
[  236.009020][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.009043][ T6617]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.009073][ T6617]  gfs2_get_tree+0x51/0x1e0
[  236.009095][ T6617]  vfs_get_tree+0x92/0x2b0
[  236.009120][ T6617]  do_new_mount+0x2a2/0xa30
[  236.009148][ T6617]  ? ns_capable+0x8a/0xf0
[  236.009176][ T6617]  ? __pfx_do_new_mount+0x10/0x10
[  236.009201][ T6617]  ? path_mount+0x61c/0xfe0
[  236.009225][ T6617]  ? user_path_at+0x44/0x60
[  236.009249][ T6617]  __se_sys_mount+0x317/0x410
[  236.009288][ T6617]  ? __pfx___se_sys_mount+0x10/0x10
[  236.009317][ T6617]  ? rcu_is_watching+0x15/0xb0
[  236.009346][ T6617]  ? __x64_sys_mount+0x20/0xc0
[  236.009374][ T6617]  do_syscall_64+0xfa/0xfa0
[  236.009399][ T6617]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.009419][ T6617]  ? clear_bhb_loop+0x60/0xb0
[  236.009442][ T6617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.009462][ T6617] RIP: 0033:0x7fc51ad9038a
[  236.009480][ T6617] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.009498][ T6617] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.009521][ T6617] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  236.009537][ T6617] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  236.009553][ T6617] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  236.009567][ T6617] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  236.009582][ T6617] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  236.009605][ T6617]  </TASK>
[  236.009627][ T6617] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.326210][ T6617] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 05:47:54 executed programs: 188
[  236.725041][ T6620] loop1: detected capacity change from 0 to 32768
[  236.736831][ T6620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.744272][ T6620] CPU: 1 UID: 0 PID: 6620 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  236.744298][ T6620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  236.744312][ T6620] Call Trace:
[  236.744320][ T6620]  <TASK>
[  236.744328][ T6620]  dump_stack_lvl+0x189/0x250
[  236.744360][ T6620]  ? __pfx_dump_stack_lvl+0x10/0x10
[  236.744385][ T6620]  ? __pfx__printk+0x10/0x10
[  236.744412][ T6620]  ? kernfs_root+0x1c/0x230
[  236.744432][ T6620]  ? kernfs_path_from_node+0x250/0x290
[  236.744450][ T6620]  ? kernfs_path_from_node+0x2f/0x290
[  236.744470][ T6620]  sysfs_create_dir_ns+0x259/0x280
[  236.744501][ T6620]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.744532][ T6620]  ? do_raw_spin_unlock+0x122/0x240
[  236.744556][ T6620]  kobject_add_internal+0x59f/0xb40
[  236.744587][ T6620]  kobject_init_and_add+0x125/0x190
[  236.744615][ T6620]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.744642][ T6620]  ? __raw_spin_lock_init+0x45/0x100
[  236.744663][ T6620]  ? __init_swait_queue_head+0xa9/0x150
[  236.744685][ T6620]  gfs2_sys_fs_add+0x234/0x450
[  236.744715][ T6620]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.744748][ T6620]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.744777][ T6620]  gfs2_fill_super+0x13c0/0x20d0
[  236.744808][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.744832][ T6620]  ? sb_set_blocksize+0x104/0x180
[  236.744860][ T6620]  ? setup_bdev_super+0x4c1/0x5b0
[  236.744886][ T6620]  get_tree_bdev_flags+0x40e/0x4d0
[  236.744909][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.744932][ T6620]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.744961][ T6620]  gfs2_get_tree+0x51/0x1e0
[  236.744984][ T6620]  vfs_get_tree+0x92/0x2b0
[  236.745009][ T6620]  do_new_mount+0x2a2/0xa30
[  236.745037][ T6620]  ? ns_capable+0x8a/0xf0
[  236.745066][ T6620]  ? __pfx_do_new_mount+0x10/0x10
[  236.745091][ T6620]  ? path_mount+0x61c/0xfe0
[  236.745115][ T6620]  ? user_path_at+0x44/0x60
[  236.745138][ T6620]  __se_sys_mount+0x317/0x410
[  236.745185][ T6620]  ? __pfx___se_sys_mount+0x10/0x10
[  236.745213][ T6620]  ? rcu_is_watching+0x15/0xb0
[  236.745242][ T6620]  ? __x64_sys_mount+0x20/0xc0
[  236.745269][ T6620]  do_syscall_64+0xfa/0xfa0
[  236.745293][ T6620]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.745314][ T6620]  ? clear_bhb_loop+0x60/0xb0
[  236.745336][ T6620]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.745356][ T6620] RIP: 0033:0x7fc51ad9038a
[  236.745375][ T6620] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.745393][ T6620] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.745415][ T6620] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  236.745431][ T6620] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  236.745447][ T6620] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  236.745462][ T6620] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  236.745476][ T6620] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  236.745499][ T6620]  </TASK>
[  237.056317][ T6620] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.071658][ T6620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.458248][ T6625] loop1: detected capacity change from 0 to 32768
[  237.468374][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.475909][ T6625] CPU: 1 UID: 0 PID: 6625 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  237.475937][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  237.475951][ T6625] Call Trace:
[  237.475959][ T6625]  <TASK>
[  237.475967][ T6625]  dump_stack_lvl+0x189/0x250
[  237.476000][ T6625]  ? __pfx_dump_stack_lvl+0x10/0x10
[  237.476025][ T6625]  ? __pfx__printk+0x10/0x10
[  237.476051][ T6625]  ? kernfs_root+0x1c/0x230
[  237.476072][ T6625]  ? kernfs_path_from_node+0x250/0x290
[  237.476090][ T6625]  ? kernfs_path_from_node+0x2f/0x290
[  237.476119][ T6625]  sysfs_create_dir_ns+0x259/0x280
[  237.476151][ T6625]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  237.476182][ T6625]  ? do_raw_spin_unlock+0x122/0x240
[  237.476206][ T6625]  kobject_add_internal+0x59f/0xb40
[  237.476236][ T6625]  kobject_init_and_add+0x125/0x190
[  237.476264][ T6625]  ? __pfx_kobject_init_and_add+0x10/0x10
[  237.476291][ T6625]  ? __raw_spin_lock_init+0x45/0x100
[  237.476312][ T6625]  ? __init_swait_queue_head+0xa9/0x150
[  237.476334][ T6625]  gfs2_sys_fs_add+0x234/0x450
[  237.476364][ T6625]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  237.476397][ T6625]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  237.476427][ T6625]  gfs2_fill_super+0x13c0/0x20d0
[  237.476459][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.476483][ T6625]  ? sb_set_blocksize+0x104/0x180
[  237.476511][ T6625]  ? setup_bdev_super+0x4c1/0x5b0
[  237.476537][ T6625]  get_tree_bdev_flags+0x40e/0x4d0
[  237.476561][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.476584][ T6625]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  237.476614][ T6625]  gfs2_get_tree+0x51/0x1e0
[  237.476637][ T6625]  vfs_get_tree+0x92/0x2b0
[  237.476662][ T6625]  do_new_mount+0x2a2/0xa30
[  237.476690][ T6625]  ? ns_capable+0x8a/0xf0
[  237.476719][ T6625]  ? __pfx_do_new_mount+0x10/0x10
[  237.476745][ T6625]  ? path_mount+0x61c/0xfe0
[  237.476769][ T6625]  ? user_path_at+0x44/0x60
[  237.476792][ T6625]  __se_sys_mount+0x317/0x410
[  237.476822][ T6625]  ? __pfx___se_sys_mount+0x10/0x10
[  237.476851][ T6625]  ? rcu_is_watching+0x15/0xb0
[  237.476880][ T6625]  ? __x64_sys_mount+0x20/0xc0
[  237.476908][ T6625]  do_syscall_64+0xfa/0xfa0
[  237.476934][ T6625]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.476954][ T6625]  ? clear_bhb_loop+0x60/0xb0
[  237.476983][ T6625]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.477003][ T6625] RIP: 0033:0x7fc51ad9038a
[  237.477022][ T6625] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.477040][ T6625] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.477063][ T6625] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  237.477080][ T6625] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  237.477095][ T6625] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  237.477121][ T6625] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  237.477135][ T6625] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  237.477159][ T6625]  </TASK>
[  237.477180][ T6625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.791798][ T6625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.185304][ T6628] loop1: detected capacity change from 0 to 32768
[  238.200650][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.209104][ T6628] CPU: 1 UID: 0 PID: 6628 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  238.209131][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  238.209144][ T6628] Call Trace:
[  238.209152][ T6628]  <TASK>
[  238.209161][ T6628]  dump_stack_lvl+0x189/0x250
[  238.209192][ T6628]  ? __pfx_dump_stack_lvl+0x10/0x10
[  238.209217][ T6628]  ? __pfx__printk+0x10/0x10
[  238.209244][ T6628]  ? kernfs_root+0x1c/0x230
[  238.209265][ T6628]  ? kernfs_path_from_node+0x250/0x290
[  238.209283][ T6628]  ? kernfs_path_from_node+0x2f/0x290
[  238.209304][ T6628]  sysfs_create_dir_ns+0x259/0x280
[  238.209335][ T6628]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  238.209367][ T6628]  ? do_raw_spin_unlock+0x122/0x240
[  238.209390][ T6628]  kobject_add_internal+0x59f/0xb40
[  238.209422][ T6628]  kobject_init_and_add+0x125/0x190
[  238.209450][ T6628]  ? __pfx_kobject_init_and_add+0x10/0x10
[  238.209476][ T6628]  ? __raw_spin_lock_init+0x45/0x100
[  238.209498][ T6628]  ? __init_swait_queue_head+0xa9/0x150
[  238.209520][ T6628]  gfs2_sys_fs_add+0x234/0x450
[  238.209550][ T6628]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  238.209583][ T6628]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  238.209612][ T6628]  gfs2_fill_super+0x13c0/0x20d0
[  238.209643][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.209668][ T6628]  ? sb_set_blocksize+0x104/0x180
[  238.209697][ T6628]  ? setup_bdev_super+0x4c1/0x5b0
[  238.209723][ T6628]  get_tree_bdev_flags+0x40e/0x4d0
[  238.209747][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.209770][ T6628]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  238.209814][ T6628]  gfs2_get_tree+0x51/0x1e0
[  238.209838][ T6628]  vfs_get_tree+0x92/0x2b0
[  238.209863][ T6628]  do_new_mount+0x2a2/0xa30
[  238.209890][ T6628]  ? ns_capable+0x8a/0xf0
[  238.209919][ T6628]  ? __pfx_do_new_mount+0x10/0x10
[  238.209944][ T6628]  ? path_mount+0x61c/0xfe0
[  238.209968][ T6628]  ? user_path_at+0x44/0x60
[  238.209991][ T6628]  __se_sys_mount+0x317/0x410
[  238.210020][ T6628]  ? __pfx___se_sys_mount+0x10/0x10
[  238.210056][ T6628]  ? rcu_is_watching+0x15/0xb0
[  238.210086][ T6628]  ? __x64_sys_mount+0x20/0xc0
[  238.210115][ T6628]  do_syscall_64+0xfa/0xfa0
[  238.210141][ T6628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.210162][ T6628]  ? clear_bhb_loop+0x60/0xb0
[  238.210186][ T6628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.210207][ T6628] RIP: 0033:0x7fc51ad9038a
[  238.210226][ T6628] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.210246][ T6628] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.210269][ T6628] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  238.210286][ T6628] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  238.210302][ T6628] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  238.210317][ T6628] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  238.210332][ T6628] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  238.210356][ T6628]  </TASK>
[  238.210378][ T6628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.526297][ T6628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.556072][   T31] INFO: task kworker/0:3:5936 blocked for more than 143 seconds.
[  238.563851][   T31]       Not tainted syzkaller #0
[  238.592403][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  238.604592][   T31] task:kworker/0:3     state:D stack:23240 pid:5936  tgid:5936  ppid:2      task_flags:0x4208060 flags:0x00004000
[  238.621981][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  238.628507][   T31] Call Trace:
[  238.631915][   T31]  <TASK>
[  238.634875][   T31]  __schedule+0x1798/0x4cc0
[  238.640518][   T31]  ? blk_mq_dispatch_queue_requests+0x552/0x800
[  238.647094][   T31]  ? lock_release+0x4b/0x3e0
[  238.651730][   T31]  ? __pfx___schedule+0x10/0x10
[  238.657629][   T31]  ? do_raw_spin_lock+0x121/0x290
[  238.662693][   T31]  ? schedule+0x91/0x360
[  238.667271][   T31]  ? rcu_is_watching+0x15/0xb0
[  238.672087][   T31]  ? rcu_is_watching+0x15/0xb0
[  238.678363][   T31]  ? lock_release+0x4b/0x3e0
[  238.697003][   T31]  ? schedule+0x91/0x360
[  238.701310][   T31]  ? wq_worker_sleeping+0x63/0x250
[  238.707882][   T31]  schedule+0x165/0x360
[  238.712748][   T31]  io_schedule+0x80/0xd0
[  238.717419][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  238.722760][   T31]  ? lock_release+0x4b/0x3e0
[  238.729865][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  238.736000][   T31]  ? seqcount_lockdep_reader_access+0x175/0x1c0
[  238.742886][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  238.748775][   T31]  ? __get_log_header+0x297/0x620
[  238.753855][   T31]  ? __filemap_get_folio+0x79f/0xaf0
[  238.759531][   T31]  gfs2_jhead_process_page+0x16e/0x650
[  238.765041][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  238.771375][   T31]  gfs2_find_jhead+0xc9e/0xe10
[  238.776467][   T31]  gfs2_recover_func+0x646/0x1d90
[  238.781533][   T31]  ? cpuacct_charge+0x10e/0x320
[  238.786753][   T31]  ? kvm_sched_clock_read+0x11/0x20
[  238.792339][   T31]  ? sched_clock+0x3f/0x60
[  238.797501][   T31]  ? sched_clock_cpu+0x74/0x430
[  238.802398][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  238.808236][   T31]  ? rcu_is_watching+0x15/0xb0
[  238.813052][   T31]  ? __switch_to+0xdc8/0x1690
[  238.818714][   T31]  ? do_raw_spin_lock+0x121/0x290
[  238.823875][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  238.829625][   T31]  ? rcu_is_watching+0x15/0xb0
[  238.834521][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  238.840676][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  238.846719][   T31]  process_scheduled_works+0xae1/0x17b0
[  238.852325][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  238.858726][   T31]  worker_thread+0x8a0/0xda0
[  238.863639][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  238.870422][   T31]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  238.876702][   T31]  ? __kthread_parkme+0x7b/0x200
[  238.881776][   T31]  kthread+0x711/0x8a0
[  238.886201][   T31]  ? __pfx_worker_thread+0x10/0x10
[  238.891428][   T31]  ? __pfx_kthread+0x10/0x10
[  238.896303][   T31]  ? rcu_is_watching+0x15/0xb0
[  238.901113][   T31]  ? __pfx_kthread+0x10/0x10
[  238.906185][   T31]  ret_from_fork+0x47c/0x820
[  238.910911][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  238.917025][   T31]  ? __switch_to_asm+0x39/0x70
[  238.921847][   T31]  ? __switch_to_asm+0x33/0x70
[  238.927191][   T31]  ? __pfx_kthread+0x10/0x10
[  238.931829][   T31]  ret_from_fork_asm+0x1a/0x30
[  238.937136][   T31]  </TASK>
[  238.940291][   T31] INFO: task syz.0.20:6034 blocked for more than 143 seconds.
[  238.949148][   T31]       Not tainted syzkaller #0
[  238.954113][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  238.964488][   T31] task:syz.0.20        state:D stack:25128 pid:6034  tgid:6034  ppid:5973   task_flags:0x400140 flags:0x00004004
[  238.976869][   T31] Call Trace:
[  238.980175][   T31]  <TASK>
[  238.983137][   T31]  __schedule+0x1798/0x4cc0
[  238.988991][   T31]  ? __pfx_preempt_schedule_notrace+0x10/0x10
[  238.995121][   T31]  ? preempt_schedule+0xae/0xc0
[  239.000505][   T31]  ? __pfx___schedule+0x10/0x10
[  239.005644][   T31]  ? schedule+0x91/0x360
[  239.009925][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.014817][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.020707][   T31]  ? lock_release+0x4b/0x3e0
[  239.026417][   T31]  schedule+0x165/0x360
[  239.030634][   T31]  bit_wait+0x11/0xd0
[  239.034650][   T31]  __wait_on_bit+0xb6/0x310
[  239.039682][   T31]  ? __pfx_bit_wait+0x10/0x10
[  239.044404][   T31]  ? __pfx_bit_wait+0x10/0x10
[  239.049502][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  239.055022][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  239.061487][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  239.067215][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  239.072524][   T31]  gfs2_recover_journal+0xda/0x140
[  239.078072][   T31]  init_journal+0x17cc/0x2260
[  239.082865][   T31]  ? init_inodes+0xdb/0x320
[  239.087795][   T31]  ? __pfx_init_journal+0x10/0x10
[  239.092861][   T31]  ? snprintf+0xda/0x120
[  239.097514][   T31]  ? init_inodes+0xdb/0x320
[  239.102054][   T31]  ? __pfx_snprintf+0x10/0x10
[  239.107148][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  239.112381][   T31]  init_inodes+0xdb/0x320
[  239.117091][   T31]  gfs2_fill_super+0x1923/0x20d0
[  239.122682][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.128337][   T31]  ? init_locking+0xb8/0x210
[  239.133033][   T31]  ? sb_set_blocksize+0x104/0x180
[  239.138444][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  239.143572][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  239.149554][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.154878][ T6632] loop1: detected capacity change from 0 to 32768
[  239.164398][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.170734][   T31]  gfs2_get_tree+0x51/0x1e0
[  239.176011][   T31]  vfs_get_tree+0x92/0x2b0
[  239.180518][   T31]  do_new_mount+0x2a2/0xa30
[  239.185079][   T31]  ? ns_capable+0x8a/0xf0
[  239.189783][ T6632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.190094][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  239.197411][ T6632] CPU: 1 UID: 0 PID: 6632 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  239.197443][ T6632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  239.197457][ T6632] Call Trace:
[  239.197467][ T6632]  <TASK>
[  239.197478][ T6632]  dump_stack_lvl+0x189/0x250
[  239.197510][ T6632]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.197538][ T6632]  ? __pfx__printk+0x10/0x10
[  239.197569][ T6632]  ? kernfs_root+0x1c/0x230
[  239.197592][ T6632]  ? kernfs_path_from_node+0x250/0x290
[  239.197613][ T6632]  ? kernfs_path_from_node+0x2f/0x290
[  239.197635][ T6632]  sysfs_create_dir_ns+0x259/0x280
[  239.197670][ T6632]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  239.197705][ T6632]  ? do_raw_spin_unlock+0x122/0x240
[  239.197731][ T6632]  kobject_add_internal+0x59f/0xb40
[  239.197775][ T6632]  kobject_init_and_add+0x125/0x190
[  239.197807][ T6632]  ? __pfx_kobject_init_and_add+0x10/0x10
[  239.197836][ T6632]  ? __raw_spin_lock_init+0x45/0x100
[  239.197861][ T6632]  ? __init_swait_queue_head+0xa9/0x150
[  239.197886][ T6632]  gfs2_sys_fs_add+0x234/0x450
[  239.197920][ T6632]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  239.197957][ T6632]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  239.197990][ T6632]  gfs2_fill_super+0x13c0/0x20d0
[  239.198022][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.198051][ T6632]  ? sb_set_blocksize+0x104/0x180
[  239.198082][ T6632]  ? setup_bdev_super+0x4c1/0x5b0
[  239.198110][ T6632]  get_tree_bdev_flags+0x40e/0x4d0
[  239.198136][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.198161][ T6632]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.198193][ T6632]  gfs2_get_tree+0x51/0x1e0
[  239.198218][ T6632]  vfs_get_tree+0x92/0x2b0
[  239.198246][ T6632]  do_new_mount+0x2a2/0xa30
[  239.198277][ T6632]  ? ns_capable+0x8a/0xf0
[  239.198308][ T6632]  ? __pfx_do_new_mount+0x10/0x10
[  239.198335][ T6632]  ? path_mount+0x61c/0xfe0
[  239.198362][ T6632]  ? user_path_at+0x44/0x60
[  239.198387][ T6632]  __se_sys_mount+0x317/0x410
[  239.198420][ T6632]  ? __pfx___se_sys_mount+0x10/0x10
[  239.198451][ T6632]  ? rcu_is_watching+0x15/0xb0
[  239.198484][ T6632]  ? __x64_sys_mount+0x20/0xc0
[  239.198514][ T6632]  do_syscall_64+0xfa/0xfa0
[  239.198543][ T6632]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.198566][ T6632]  ? clear_bhb_loop+0x60/0xb0
[  239.198591][ T6632]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.198613][ T6632] RIP: 0033:0x7fc51ad9038a
[  239.198632][ T6632] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.198653][ T6632] RSP: 002b:00007ffcfbf2db08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.198678][ T6632] RAX: ffffffffffffffda RBX: 00007ffcfbf2db90 RCX: 00007fc51ad9038a
[  239.198696][ T6632] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcfbf2db50
[  239.198714][ T6632] RBP: 000020000001f680 R08: 00007ffcfbf2db90 R09: 0000000000000084
[  239.198730][ T6632] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  239.198754][ T6632] R13: 00007ffcfbf2db50 R14: 000000000001f81f R15: 00002000000001c0
[  239.198782][ T6632]  </TASK>
[  239.198806][ T6632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.206332][   T31]  ? path_mount+0x61c/0xfe0
[  239.238993][ T6632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.246595][   T31]  ? user_path_at+0x44/0x60
[  239.534760][   T31]  __se_sys_mount+0x317/0x410
[  239.539576][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  239.544814][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.549702][   T31]  ? __x64_sys_mount+0x20/0xc0
[  239.554529][   T31]  do_syscall_64+0xfa/0xfa0
[  239.566067][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.572196][   T31]  ? clear_bhb_loop+0x60/0xb0
[  239.577687][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.588613][   T31] RIP: 0033:0x7f9101d9038a
[  239.593175][   T31] RSP: 002b:00007ffc50e2cb68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.603245][   T31] RAX: ffffffffffffffda RBX: 00007ffc50e2cbf0 RCX: 00007f9101d9038a
[  239.612180][   T31] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc50e2cbb0
[  239.620507][   T31] RBP: 000020000001f680 R08: 00007ffc50e2cbf0 R09: 0000000000000084
[  239.629407][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  239.638914][   T31] R13: 00007ffc50e2cbb0 R14: 000000000001f81f R15: 00002000000001c0
[  239.647849][   T31]  </TASK>
[  239.662339][   T31] INFO: lockdep is turned off.
[  239.682186][   T31] NMI backtrace for cpu 1
[  239.682208][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  239.682232][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  239.682246][   T31] Call Trace:
[  239.682254][   T31]  <TASK>
[  239.682263][   T31]  dump_stack_lvl+0x189/0x250
[  239.682295][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.682320][   T31]  ? __pfx__printk+0x10/0x10
[  239.682354][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  239.682386][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  239.682419][   T31]  ? __pfx__printk+0x10/0x10
[  239.682449][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  239.682480][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  239.682514][   T31]  watchdog+0xf60/0xfa0
[  239.682541][   T31]  ? watchdog+0x1e2/0xfa0
[  239.682568][   T31]  kthread+0x711/0x8a0
[  239.682592][   T31]  ? __pfx_watchdog+0x10/0x10
[  239.682616][   T31]  ? __pfx_kthread+0x10/0x10
[  239.682638][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  239.682661][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  239.682683][   T31]  ? __pfx_kthread+0x10/0x10
[  239.682705][   T31]  ret_from_fork+0x47c/0x820
[  239.682736][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  239.682769][   T31]  ? __switch_to_asm+0x39/0x70
[  239.682795][   T31]  ? __switch_to_asm+0x33/0x70
[  239.682822][   T31]  ? __pfx_kthread+0x10/0x10
[  239.682843][   T31]  ret_from_fork_asm+0x1a/0x30
[  239.682879][   T31]  </TASK>
[  239.682888][   T31] Sending NMI from CPU 1 to CPUs 0:
[  239.829474][    C0] NMI backtrace for cpu 0
[  239.829491][    C0] CPU: 0 UID: 0 PID: 6637 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  239.829511][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  239.829522][    C0] RIP: 0033:0x7fc51ac50c60
[  239.829538][    C0] Code: 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 47 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01 49 89 47 10 <83> e9 01 73 d3 41 81 fe 00 01 00 00 0f 85 ce fe ff ff e9 10 ff ff
[  239.829554][    C0] RSP: 002b:00007ffcfbf2d140 EFLAGS: 00000202
[  239.829570][    C0] RAX: 00000000007152d6 RBX: 00007ffcfbf2d1e0 RCX: 000000000000007f
[  239.829582][    C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007ffcfbf2d280
[  239.829593][    C0] RBP: 0000000000000102 R08: 00007fc511e00000 R09: 0000000000000000
[  239.829605][    C0] R10: 0000000000000000 R11: 00007ffcfbf2d1f0 R12: 0000000000000001
[  239.829616][    C0] R13: 00007fc51ae2da20 R14: 0000000000000000 R15: 00007ffcfbf2d280
[  239.829628][    C0] FS:  000055556a345500 GS:  0000000000000000
[  239.830517][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  239.937178][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  239.946380][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  239.956442][   T31] Call Trace:
[  239.960086][   T31]  <TASK>
[  239.963022][   T31]  dump_stack_lvl+0x99/0x250
[  239.967713][   T31]  ? __asan_memcpy+0x40/0x70
[  239.972307][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.977530][   T31]  ? __pfx__printk+0x10/0x10
[  239.982139][   T31]  vpanic+0x281/0x750
[  239.986130][   T31]  ? __pfx_vpanic+0x10/0x10
[  239.990653][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.995428][   T31]  ? preempt_schedule+0xae/0xc0
[  240.000287][   T31]  ? preempt_schedule_common+0x83/0xd0
[  240.005887][   T31]  panic+0xb9/0xc0
[  240.009617][   T31]  ? __pfx_panic+0x10/0x10
[  240.014039][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  240.019431][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  240.025600][   T31]  watchdog+0xf9f/0xfa0
[  240.029773][   T31]  ? watchdog+0x1e2/0xfa0
[  240.034126][   T31]  kthread+0x711/0x8a0
[  240.038205][   T31]  ? __pfx_watchdog+0x10/0x10
[  240.042895][   T31]  ? __pfx_kthread+0x10/0x10
[  240.047506][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  240.052715][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  240.057918][   T31]  ? __pfx_kthread+0x10/0x10
[  240.062514][   T31]  ret_from_fork+0x47c/0x820
[  240.067384][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  240.072521][   T31]  ? __switch_to_asm+0x39/0x70
[  240.077300][   T31]  ? __switch_to_asm+0x33/0x70
[  240.082078][   T31]  ? __pfx_kthread+0x10/0x10
[  240.086673][   T31]  ret_from_fork_asm+0x1a/0x30
[  240.091460][   T31]  </TASK>
[  240.094772][   T31] Kernel Offset: disabled
[  240.099103][   T31] Rebooting in 86400 seconds..