gs+0x10/0x10
[  242.715971][ T7119]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  242.716009][ T7119]  gfs2_get_tree+0x51/0x1e0
[  242.716034][ T7119]  vfs_get_tree+0x92/0x2b0
[  242.716061][ T7119]  do_new_mount+0x302/0x9e0
[  242.716084][ T7119]  ? apparmor_capable+0x137/0x1b0
[  242.716117][ T7119]  ? __pfx_do_new_mount+0x10/0x10
[  242.716142][ T7119]  ? ns_capable+0x8a/0xf0
[  242.716164][ T7119]  ? kmem_cache_free+0x19b/0x690
[  242.716198][ T7119]  __se_sys_mount+0x313/0x410
[  242.716230][ T7119]  ? __pfx___se_sys_mount+0x10/0x10
[  242.716261][ T7119]  ? do_syscall_64+0xbe/0xfa0
[  242.716282][ T7119]  ? __x64_sys_mount+0x20/0xc0
[  242.716311][ T7119]  do_syscall_64+0xfa/0xfa0
[  242.716332][ T7119]  ? lockdep_hardirqs_on+0x9c/0x150
[  242.716355][ T7119]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.716374][ T7119]  ? clear_bhb_loop+0x60/0xb0
[  242.716399][ T7119]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.716417][ T7119] RIP: 0033:0x7efd5379038a
[  242.716435][ T7119] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.716453][ T7119] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.716475][ T7119] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  242.716490][ T7119] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  242.716505][ T7119] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  242.716517][ T7119] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  242.716530][ T7119] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  242.716561][ T7119]  </TASK>
[  242.716585][ T7119] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.042718][ T7119] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.374454][ T7123] loop1: detected capacity change from 0 to 32768
[  243.398677][ T7123] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.406430][ T7123] CPU: 0 UID: 0 PID: 7123 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full) 
[  243.406458][ T7123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  243.406470][ T7123] Call Trace:
[  243.406479][ T7123]  <TASK>
[  243.406487][ T7123]  dump_stack_lvl+0x189/0x250
[  243.406519][ T7123]  ? __pfx_dump_stack_lvl+0x10/0x10
[  243.406541][ T7123]  ? __pfx__printk+0x10/0x10
[  243.406576][ T7123]  ? kernfs_path_from_node+0x250/0x290
[  243.406595][ T7123]  ? kernfs_path_from_node+0x2f/0x290
[  243.406618][ T7123]  sysfs_create_dir_ns+0x259/0x280
[  243.406641][ T7123]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.406663][ T7123]  ? do_raw_spin_unlock+0x122/0x240
[  243.406689][ T7123]  kobject_add_internal+0x59f/0xb40
[  243.406726][ T7123]  kobject_init_and_add+0x125/0x190
[  243.406757][ T7123]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.406785][ T7123]  ? __raw_spin_lock_init+0x45/0x100
[  243.406811][ T7123]  ? __init_swait_queue_head+0xa9/0x150
[  243.406838][ T7123]  gfs2_sys_fs_add+0x234/0x450
[  243.406867][ T7123]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.406901][ T7123]  ? is_dynamic_key+0xd6/0x1c0
[  243.406938][ T7123]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.406979][ T7123]  gfs2_fill_super+0x13c0/0x20d0
[  243.407019][ T7123]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.407045][ T7123]  ? sb_set_blocksize+0x104/0x180
[  243.407071][ T7123]  ? setup_bdev_super+0x4c1/0x5b0
[  243.407098][ T7123]  get_tree_bdev_flags+0x40e/0x4d0
[  243.407121][ T7123]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.407142][ T7123]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.407163][ T7123]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  243.407200][ T7123]  gfs2_get_tree+0x51/0x1e0
[  243.407225][ T7123]  vfs_get_tree+0x92/0x2b0
[  243.407250][ T7123]  do_new_mount+0x302/0x9e0
[  243.407273][ T7123]  ? apparmor_capable+0x137/0x1b0
[  243.407306][ T7123]  ? __pfx_do_new_mount+0x10/0x10
[  243.407332][ T7123]  ? ns_capable+0x8a/0xf0
[  243.407353][ T7123]  ? kmem_cache_free+0x19b/0x690
[  243.407388][ T7123]  __se_sys_mount+0x313/0x410
[  243.407418][ T7123]  ? __pfx___se_sys_mount+0x10/0x10
[  243.407447][ T7123]  ? do_syscall_64+0xbe/0xfa0
[  243.407468][ T7123]  ? __x64_sys_mount+0x20/0xc0
[  243.407497][ T7123]  do_syscall_64+0xfa/0xfa0
[  243.407520][ T7123]  ? lockdep_hardirqs_on+0x9c/0x150
[  243.407543][ T7123]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.407564][ T7123]  ? clear_bhb_loop+0x60/0xb0
[  243.407587][ T7123]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.407606][ T7123] RIP: 0033:0x7efd5379038a
[  243.407624][ T7123] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.407641][ T7123] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.407662][ T7123] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  243.407675][ T7123] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  243.407686][ T7123] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  243.407698][ T7123] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.407708][ T7123] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  243.407741][ T7123]  </TASK>
[  243.407770][ T7123] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.736039][ T7123] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.081880][ T7127] loop1: detected capacity change from 0 to 32768
[  244.097137][ T7127] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.104747][ T7127] CPU: 1 UID: 0 PID: 7127 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) 
[  244.104773][ T7127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  244.104786][ T7127] Call Trace:
[  244.104794][ T7127]  <TASK>
[  244.104803][ T7127]  dump_stack_lvl+0x189/0x250
[  244.104837][ T7127]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.104862][ T7127]  ? __pfx__printk+0x10/0x10
[  244.104896][ T7127]  ? kernfs_path_from_node+0x250/0x290
[  244.104916][ T7127]  ? kernfs_path_from_node+0x2f/0x290
[  244.104938][ T7127]  sysfs_create_dir_ns+0x259/0x280
[  244.104960][ T7127]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.104980][ T7127]  ? do_raw_spin_unlock+0x122/0x240
[  244.105007][ T7127]  kobject_add_internal+0x59f/0xb40
[  244.105042][ T7127]  kobject_init_and_add+0x125/0x190
[  244.105074][ T7127]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.105101][ T7127]  ? __raw_spin_lock_init+0x45/0x100
[  244.105125][ T7127]  ? __init_swait_queue_head+0xa9/0x150
[  244.105152][ T7127]  gfs2_sys_fs_add+0x234/0x450
[  244.105183][ T7127]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.105215][ T7127]  ? is_dynamic_key+0xd6/0x1c0
[  244.105243][ T7127]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.105278][ T7127]  gfs2_fill_super+0x13c0/0x20d0
[  244.105315][ T7127]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.105342][ T7127]  ? sb_set_blocksize+0x104/0x180
[  244.105366][ T7127]  ? setup_bdev_super+0x4c1/0x5b0
[  244.105393][ T7127]  get_tree_bdev_flags+0x40e/0x4d0
[  244.105418][ T7127]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.105441][ T7127]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.105479][ T7127]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  244.105521][ T7127]  gfs2_get_tree+0x51/0x1e0
[  244.105546][ T7127]  vfs_get_tree+0x92/0x2b0
[  244.105574][ T7127]  do_new_mount+0x302/0x9e0
[  244.105596][ T7127]  ? apparmor_capable+0x137/0x1b0
[  244.105637][ T7127]  ? __pfx_do_new_mount+0x10/0x10
[  244.105662][ T7127]  ? ns_capable+0x8a/0xf0
[  244.105688][ T7127]  ? kmem_cache_free+0x19b/0x690
[  244.105723][ T7127]  __se_sys_mount+0x313/0x410
[  244.105753][ T7127]  ? __pfx___se_sys_mount+0x10/0x10
[  244.105782][ T7127]  ? do_syscall_64+0xbe/0xfa0
[  244.105803][ T7127]  ? __x64_sys_mount+0x20/0xc0
[  244.105832][ T7127]  do_syscall_64+0xfa/0xfa0
[  244.105854][ T7127]  ? lockdep_hardirqs_on+0x9c/0x150
[  244.105877][ T7127]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.105896][ T7127]  ? clear_bhb_loop+0x60/0xb0
[  244.105921][ T7127]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.105939][ T7127] RIP: 0033:0x7efd5379038a
[  244.105956][ T7127] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.105973][ T7127] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.105994][ T7127] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  244.106009][ T7127] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  244.106023][ T7127] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  244.106036][ T7127] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.106048][ T7127] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.106078][ T7127]  </TASK>
[  244.106105][ T7127] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.431594][ T7127] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:46:38 executed programs: 139
[  244.763447][ T7131] loop1: detected capacity change from 0 to 32768
[  244.778957][ T7131] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.786541][ T7131] CPU: 1 UID: 0 PID: 7131 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) 
[  244.786567][ T7131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  244.786580][ T7131] Call Trace:
[  244.786589][ T7131]  <TASK>
[  244.786597][ T7131]  dump_stack_lvl+0x189/0x250
[  244.786630][ T7131]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.786653][ T7131]  ? __pfx__printk+0x10/0x10
[  244.786687][ T7131]  ? kernfs_path_from_node+0x250/0x290
[  244.786706][ T7131]  ? kernfs_path_from_node+0x2f/0x290
[  244.786730][ T7131]  sysfs_create_dir_ns+0x259/0x280
[  244.786752][ T7131]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.786774][ T7131]  ? do_raw_spin_unlock+0x122/0x240
[  244.786802][ T7131]  kobject_add_internal+0x59f/0xb40
[  244.786837][ T7131]  kobject_init_and_add+0x125/0x190
[  244.786869][ T7131]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.786896][ T7131]  ? __raw_spin_lock_init+0x45/0x100
[  244.786921][ T7131]  ? __init_swait_queue_head+0xa9/0x150
[  244.786947][ T7131]  gfs2_sys_fs_add+0x234/0x450
[  244.786979][ T7131]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.787014][ T7131]  ? is_dynamic_key+0xd6/0x1c0
[  244.787042][ T7131]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.787084][ T7131]  gfs2_fill_super+0x13c0/0x20d0
[  244.787121][ T7131]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.787147][ T7131]  ? sb_set_blocksize+0x104/0x180
[  244.787172][ T7131]  ? setup_bdev_super+0x4c1/0x5b0
[  244.787199][ T7131]  get_tree_bdev_flags+0x40e/0x4d0
[  244.787221][ T7131]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.787243][ T7131]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.787264][ T7131]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  244.787302][ T7131]  gfs2_get_tree+0x51/0x1e0
[  244.787327][ T7131]  vfs_get_tree+0x92/0x2b0
[  244.787352][ T7131]  do_new_mount+0x302/0x9e0
[  244.787375][ T7131]  ? apparmor_capable+0x137/0x1b0
[  244.787407][ T7131]  ? __pfx_do_new_mount+0x10/0x10
[  244.787433][ T7131]  ? ns_capable+0x8a/0xf0
[  244.787454][ T7131]  ? kmem_cache_free+0x19b/0x690
[  244.787487][ T7131]  __se_sys_mount+0x313/0x410
[  244.787519][ T7131]  ? __pfx___se_sys_mount+0x10/0x10
[  244.787559][ T7131]  ? do_syscall_64+0xbe/0xfa0
[  244.787581][ T7131]  ? __x64_sys_mount+0x20/0xc0
[  244.787610][ T7131]  do_syscall_64+0xfa/0xfa0
[  244.787632][ T7131]  ? lockdep_hardirqs_on+0x9c/0x150
[  244.787654][ T7131]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.787673][ T7131]  ? clear_bhb_loop+0x60/0xb0
[  244.787697][ T7131]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.787714][ T7131] RIP: 0033:0x7efd5379038a
[  244.787733][ T7131] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.787750][ T7131] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.787770][ T7131] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  244.787785][ T7131] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  244.787799][ T7131] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  244.787813][ T7131] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.787826][ T7131] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.787858][ T7131]  </TASK>
[  244.787885][ T7131] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.115209][ T7131] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.438460][ T7135] loop1: detected capacity change from 0 to 32768
[  245.447629][ T7135] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.455216][ T7135] CPU: 1 UID: 0 PID: 7135 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) 
[  245.455241][ T7135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  245.455254][ T7135] Call Trace:
[  245.455262][ T7135]  <TASK>
[  245.455272][ T7135]  dump_stack_lvl+0x189/0x250
[  245.455303][ T7135]  ? __pfx_dump_stack_lvl+0x10/0x10
[  245.455329][ T7135]  ? __pfx__printk+0x10/0x10
[  245.455361][ T7135]  ? kernfs_path_from_node+0x250/0x290
[  245.455380][ T7135]  ? kernfs_path_from_node+0x2f/0x290
[  245.455406][ T7135]  sysfs_create_dir_ns+0x259/0x280
[  245.455430][ T7135]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  245.455454][ T7135]  ? do_raw_spin_unlock+0x122/0x240
[  245.455484][ T7135]  kobject_add_internal+0x59f/0xb40
[  245.455528][ T7135]  kobject_init_and_add+0x125/0x190
[  245.455562][ T7135]  ? __pfx_kobject_init_and_add+0x10/0x10
[  245.455591][ T7135]  ? __raw_spin_lock_init+0x45/0x100
[  245.455615][ T7135]  ? __init_swait_queue_head+0xa9/0x150
[  245.455643][ T7135]  gfs2_sys_fs_add+0x234/0x450
[  245.455673][ T7135]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  245.455707][ T7135]  ? is_dynamic_key+0xd6/0x1c0
[  245.455736][ T7135]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  245.455775][ T7135]  gfs2_fill_super+0x13c0/0x20d0
[  245.455813][ T7135]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.455841][ T7135]  ? sb_set_blocksize+0x104/0x180
[  245.455867][ T7135]  ? setup_bdev_super+0x4c1/0x5b0
[  245.455897][ T7135]  get_tree_bdev_flags+0x40e/0x4d0
[  245.455920][ T7135]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.455942][ T7135]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  245.455969][ T7135]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  245.456011][ T7135]  gfs2_get_tree+0x51/0x1e0
[  245.456035][ T7135]  vfs_get_tree+0x92/0x2b0
[  245.456062][ T7135]  do_new_mount+0x302/0x9e0
[  245.456084][ T7135]  ? apparmor_capable+0x137/0x1b0
[  245.456115][ T7135]  ? __pfx_do_new_mount+0x10/0x10
[  245.456138][ T7135]  ? ns_capable+0x8a/0xf0
[  245.456160][ T7135]  ? kmem_cache_free+0x19b/0x690
[  245.456195][ T7135]  __se_sys_mount+0x313/0x410
[  245.456228][ T7135]  ? __pfx___se_sys_mount+0x10/0x10
[  245.456256][ T7135]  ? do_syscall_64+0xbe/0xfa0
[  245.456276][ T7135]  ? __x64_sys_mount+0x20/0xc0
[  245.456302][ T7135]  do_syscall_64+0xfa/0xfa0
[  245.456324][ T7135]  ? lockdep_hardirqs_on+0x9c/0x150
[  245.456347][ T7135]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.456367][ T7135]  ? clear_bhb_loop+0x60/0xb0
[  245.456391][ T7135]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.456410][ T7135] RIP: 0033:0x7efd5379038a
[  245.456428][ T7135] 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
[  245.456446][ T7135] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.456467][ T7135] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  245.456484][ T7135] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  245.456499][ T7135] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  245.456514][ T7135] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  245.456536][ T7135] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  245.456570][ T7135]  </TASK>
[  245.456597][ T7135] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.782519][ T7135] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.104084][ T7139] loop1: detected capacity change from 0 to 32768
[  246.118543][ T7139] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.126729][ T7139] CPU: 1 UID: 0 PID: 7139 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) 
[  246.126755][ T7139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  246.126768][ T7139] Call Trace:
[  246.126776][ T7139]  <TASK>
[  246.126785][ T7139]  dump_stack_lvl+0x189/0x250
[  246.126816][ T7139]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.126841][ T7139]  ? __pfx__printk+0x10/0x10
[  246.126875][ T7139]  ? kernfs_path_from_node+0x250/0x290
[  246.126896][ T7139]  ? kernfs_path_from_node+0x2f/0x290
[  246.126921][ T7139]  sysfs_create_dir_ns+0x259/0x280
[  246.126944][ T7139]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.126966][ T7139]  ? do_raw_spin_unlock+0x122/0x240
[  246.126994][ T7139]  kobject_add_internal+0x59f/0xb40
[  246.127028][ T7139]  kobject_init_and_add+0x125/0x190
[  246.127068][ T7139]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.127095][ T7139]  ? __raw_spin_lock_init+0x45/0x100
[  246.127119][ T7139]  ? __init_swait_queue_head+0xa9/0x150
[  246.127145][ T7139]  gfs2_sys_fs_add+0x234/0x450
[  246.127173][ T7139]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.127207][ T7139]  ? is_dynamic_key+0xd6/0x1c0
[  246.127233][ T7139]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.127272][ T7139]  gfs2_fill_super+0x13c0/0x20d0
[  246.127309][ T7139]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.127335][ T7139]  ? sb_set_blocksize+0x104/0x180
[  246.127360][ T7139]  ? setup_bdev_super+0x4c1/0x5b0
[  246.127388][ T7139]  get_tree_bdev_flags+0x40e/0x4d0
[  246.127410][ T7139]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.127439][ T7139]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.127460][ T7139]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  246.127497][ T7139]  gfs2_get_tree+0x51/0x1e0
[  246.127522][ T7139]  vfs_get_tree+0x92/0x2b0
[  246.127548][ T7139]  do_new_mount+0x302/0x9e0
[  246.127571][ T7139]  ? apparmor_capable+0x137/0x1b0
[  246.127601][ T7139]  ? __pfx_do_new_mount+0x10/0x10
[  246.127626][ T7139]  ? ns_capable+0x8a/0xf0
[  246.127648][ T7139]  ? kmem_cache_free+0x19b/0x690
[  246.127682][ T7139]  __se_sys_mount+0x313/0x410
[  246.127714][ T7139]  ? __pfx___se_sys_mount+0x10/0x10
[  246.127745][ T7139]  ? do_syscall_64+0xbe/0xfa0
[  246.127766][ T7139]  ? __x64_sys_mount+0x20/0xc0
[  246.127792][ T7139]  do_syscall_64+0xfa/0xfa0
[  246.127813][ T7139]  ? lockdep_hardirqs_on+0x9c/0x150
[  246.127834][ T7139]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.127852][ T7139]  ? clear_bhb_loop+0x60/0xb0
[  246.127874][ T7139]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.127892][ T7139] RIP: 0033:0x7efd5379038a
[  246.127910][ T7139] 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
[  246.127928][ T7139] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.127949][ T7139] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  246.127964][ T7139] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  246.127979][ T7139] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  246.127992][ T7139] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  246.128005][ T7139] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.128037][ T7139]  </TASK>
[  246.128064][ T7139] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.454150][ T7139] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.782502][ T7143] loop1: detected capacity change from 0 to 32768
[  246.796462][ T7143] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.803910][ T7143] CPU: 1 UID: 0 PID: 7143 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) 
[  246.803936][ T7143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  246.803948][ T7143] Call Trace:
[  246.803956][ T7143]  <TASK>
[  246.803964][ T7143]  dump_stack_lvl+0x189/0x250
[  246.803995][ T7143]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.804018][ T7143]  ? __pfx__printk+0x10/0x10
[  246.804052][ T7143]  ? kernfs_path_from_node+0x250/0x290
[  246.804072][ T7143]  ? kernfs_path_from_node+0x2f/0x290
[  246.804095][ T7143]  sysfs_create_dir_ns+0x259/0x280
[  246.804118][ T7143]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.804140][ T7143]  ? do_raw_spin_unlock+0x122/0x240
[  246.804169][ T7143]  kobject_add_internal+0x59f/0xb40
[  246.804203][ T7143]  kobject_init_and_add+0x125/0x190
[  246.804235][ T7143]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.804263][ T7143]  ? __raw_spin_lock_init+0x45/0x100
[  246.804290][ T7143]  ? __init_swait_queue_head+0xa9/0x150
[  246.804318][ T7143]  gfs2_sys_fs_add+0x234/0x450
[  246.804350][ T7143]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.804412][ T7143]  ? is_dynamic_key+0xd6/0x1c0
[  246.804438][ T7143]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.804476][ T7143]  gfs2_fill_super+0x13c0/0x20d0
[  246.804513][ T7143]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.804540][ T7143]  ? sb_set_blocksize+0x104/0x180
[  246.804566][ T7143]  ? setup_bdev_super+0x4c1/0x5b0
[  246.804592][ T7143]  get_tree_bdev_flags+0x40e/0x4d0
[  246.804618][ T7143]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.804637][ T7143]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.804658][ T7143]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  246.804694][ T7143]  gfs2_get_tree+0x51/0x1e0
[  246.804719][ T7143]  vfs_get_tree+0x92/0x2b0
[  246.804744][ T7143]  do_new_mount+0x302/0x9e0
[  246.804767][ T7143]  ? apparmor_capable+0x137/0x1b0
[  246.804799][ T7143]  ? __pfx_do_new_mount+0x10/0x10
[  246.804823][ T7143]  ? ns_capable+0x8a/0xf0
[  246.804843][ T7143]  ? kmem_cache_free+0x19b/0x690
[  246.804877][ T7143]  __se_sys_mount+0x313/0x410
[  246.804910][ T7143]  ? __pfx___se_sys_mount+0x10/0x10
[  246.804941][ T7143]  ? do_syscall_64+0xbe/0xfa0
[  246.804963][ T7143]  ? __x64_sys_mount+0x20/0xc0
[  246.804991][ T7143]  do_syscall_64+0xfa/0xfa0
[  246.805012][ T7143]  ? lockdep_hardirqs_on+0x9c/0x150
[  246.805034][ T7143]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.805052][ T7143]  ? clear_bhb_loop+0x60/0xb0
[  246.805075][ T7143]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.805093][ T7143] RIP: 0033:0x7efd5379038a
[  246.805110][ T7143] 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
[  246.805127][ T7143] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.805146][ T7143] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  246.805161][ T7143] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  246.805175][ T7143] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  246.805190][ T7143] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  246.805222][ T7143] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.805254][ T7143]  </TASK>
[  247.119433][ T7143] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.133619][ T7143] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.460501][ T7147] loop1: detected capacity change from 0 to 32768
[  247.473395][ T7147] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.485234][ T7147] CPU: 1 UID: 0 PID: 7147 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) 
[  247.485259][ T7147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  247.485271][ T7147] Call Trace:
[  247.485280][ T7147]  <TASK>
[  247.485289][ T7147]  dump_stack_lvl+0x189/0x250
[  247.485321][ T7147]  ? __pfx_dump_stack_lvl+0x10/0x10
[  247.485345][ T7147]  ? __pfx__printk+0x10/0x10
[  247.485380][ T7147]  ? kernfs_path_from_node+0x250/0x290
[  247.485400][ T7147]  ? kernfs_path_from_node+0x2f/0x290
[  247.485425][ T7147]  sysfs_create_dir_ns+0x259/0x280
[  247.485449][ T7147]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.485470][ T7147]  ? do_raw_spin_unlock+0x122/0x240
[  247.485499][ T7147]  kobject_add_internal+0x59f/0xb40
[  247.485545][ T7147]  kobject_init_and_add+0x125/0x190
[  247.485576][ T7147]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.485605][ T7147]  ? __raw_spin_lock_init+0x45/0x100
[  247.485630][ T7147]  ? __init_swait_queue_head+0xa9/0x150
[  247.485658][ T7147]  gfs2_sys_fs_add+0x234/0x450
[  247.485689][ T7147]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.485723][ T7147]  ? is_dynamic_key+0xd6/0x1c0
[  247.485750][ T7147]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.485790][ T7147]  gfs2_fill_super+0x13c0/0x20d0
[  247.485829][ T7147]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.485856][ T7147]  ? sb_set_blocksize+0x104/0x180
[  247.485882][ T7147]  ? setup_bdev_super+0x4c1/0x5b0
[  247.485910][ T7147]  get_tree_bdev_flags+0x40e/0x4d0
[  247.485934][ T7147]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.485956][ T7147]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.485977][ T7147]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  247.486018][ T7147]  gfs2_get_tree+0x51/0x1e0
[  247.486043][ T7147]  vfs_get_tree+0x92/0x2b0
[  247.486069][ T7147]  do_new_mount+0x302/0x9e0
[  247.486093][ T7147]  ? apparmor_capable+0x137/0x1b0
[  247.486126][ T7147]  ? __pfx_do_new_mount+0x10/0x10
[  247.486151][ T7147]  ? ns_capable+0x8a/0xf0
[  247.486172][ T7147]  ? kmem_cache_free+0x19b/0x690
[  247.486208][ T7147]  __se_sys_mount+0x313/0x410
[  247.486242][ T7147]  ? __pfx___se_sys_mount+0x10/0x10
[  247.486270][ T7147]  ? do_syscall_64+0xbe/0xfa0
[  247.486293][ T7147]  ? __x64_sys_mount+0x20/0xc0
[  247.486320][ T7147]  do_syscall_64+0xfa/0xfa0
[  247.486341][ T7147]  ? lockdep_hardirqs_on+0x9c/0x150
[  247.486364][ T7147]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.486383][ T7147]  ? clear_bhb_loop+0x60/0xb0
[  247.486407][ T7147]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.486426][ T7147] RIP: 0033:0x7efd5379038a
[  247.486444][ T7147] 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
[  247.486463][ T7147] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.486483][ T7147] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  247.486499][ T7147] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  247.486513][ T7147] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  247.486534][ T7147] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  247.486547][ T7147] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  247.486581][ T7147]  </TASK>
[  247.488087][ T7147] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.813311][ T7147] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.144447][ T7151] loop1: detected capacity change from 0 to 32768
[  248.153388][ T7151] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.161476][ T7151] CPU: 1 UID: 0 PID: 7151 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  248.161501][ T7151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  248.161514][ T7151] Call Trace:
[  248.161521][ T7151]  <TASK>
[  248.161529][ T7151]  dump_stack_lvl+0x189/0x250
[  248.161561][ T7151]  ? __pfx_dump_stack_lvl+0x10/0x10
[  248.161585][ T7151]  ? __pfx__printk+0x10/0x10
[  248.161617][ T7151]  ? kernfs_path_from_node+0x250/0x290
[  248.161637][ T7151]  ? kernfs_path_from_node+0x2f/0x290
[  248.161660][ T7151]  sysfs_create_dir_ns+0x259/0x280
[  248.161682][ T7151]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.161710][ T7151]  ? do_raw_spin_unlock+0x122/0x240
[  248.161738][ T7151]  kobject_add_internal+0x59f/0xb40
[  248.161773][ T7151]  kobject_init_and_add+0x125/0x190
[  248.161805][ T7151]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.161833][ T7151]  ? __raw_spin_lock_init+0x45/0x100
[  248.161857][ T7151]  ? __init_swait_queue_head+0xa9/0x150
[  248.161884][ T7151]  gfs2_sys_fs_add+0x234/0x450
[  248.161917][ T7151]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.161952][ T7151]  ? is_dynamic_key+0xd6/0x1c0
[  248.161979][ T7151]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.162018][ T7151]  gfs2_fill_super+0x13c0/0x20d0
[  248.162056][ T7151]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.162081][ T7151]  ? sb_set_blocksize+0x104/0x180
[  248.162107][ T7151]  ? setup_bdev_super+0x4c1/0x5b0
[  248.162133][ T7151]  get_tree_bdev_flags+0x40e/0x4d0
[  248.162155][ T7151]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.162177][ T7151]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.162198][ T7151]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  248.162246][ T7151]  gfs2_get_tree+0x51/0x1e0
[  248.162271][ T7151]  vfs_get_tree+0x92/0x2b0
[  248.162296][ T7151]  do_new_mount+0x302/0x9e0
[  248.162319][ T7151]  ? apparmor_capable+0x137/0x1b0
[  248.162353][ T7151]  ? __pfx_do_new_mount+0x10/0x10
[  248.162378][ T7151]  ? ns_capable+0x8a/0xf0
[  248.162398][ T7151]  ? kmem_cache_free+0x19b/0x690
[  248.162432][ T7151]  __se_sys_mount+0x313/0x410
[  248.162462][ T7151]  ? __pfx___se_sys_mount+0x10/0x10
[  248.162493][ T7151]  ? do_syscall_64+0xbe/0xfa0
[  248.162515][ T7151]  ? __x64_sys_mount+0x20/0xc0
[  248.162543][ T7151]  do_syscall_64+0xfa/0xfa0
[  248.162566][ T7151]  ? lockdep_hardirqs_on+0x9c/0x150
[  248.162587][ T7151]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.162606][ T7151]  ? clear_bhb_loop+0x60/0xb0
[  248.162629][ T7151]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.162647][ T7151] RIP: 0033:0x7efd5379038a
[  248.162665][ T7151] 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
[  248.162681][ T7151] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.162701][ T7151] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  248.162716][ T7151] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  248.162731][ T7151] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  248.162745][ T7151] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  248.162758][ T7151] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  248.162790][ T7151]  </TASK>
[  248.162818][ T7151] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.489094][ T7151] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.851532][ T7155] loop1: detected capacity change from 0 to 32768
[  248.865744][ T7155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.873170][ T7155] CPU: 0 UID: 0 PID: 7155 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) 
[  248.873196][ T7155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  248.873209][ T7155] Call Trace:
[  248.873217][ T7155]  <TASK>
[  248.873226][ T7155]  dump_stack_lvl+0x189/0x250
[  248.873258][ T7155]  ? __pfx_dump_stack_lvl+0x10/0x10
[  248.873283][ T7155]  ? __pfx__printk+0x10/0x10
[  248.873319][ T7155]  ? kernfs_path_from_node+0x250/0x290
[  248.873353][ T7155]  ? kernfs_path_from_node+0x2f/0x290
[  248.873377][ T7155]  sysfs_create_dir_ns+0x259/0x280
[  248.873400][ T7155]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.873431][ T7155]  ? do_raw_spin_unlock+0x122/0x240
[  248.873465][ T7155]  kobject_add_internal+0x59f/0xb40
[  248.873502][ T7155]  kobject_init_and_add+0x125/0x190
[  248.873533][ T7155]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.873560][ T7155]  ? __raw_spin_lock_init+0x45/0x100
[  248.873585][ T7155]  ? __init_swait_queue_head+0xa9/0x150
[  248.873611][ T7155]  gfs2_sys_fs_add+0x234/0x450
[  248.873640][ T7155]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.873672][ T7155]  ? is_dynamic_key+0xd6/0x1c0
[  248.873698][ T7155]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.873737][ T7155]  gfs2_fill_super+0x13c0/0x20d0
[  248.873775][ T7155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.873802][ T7155]  ? sb_set_blocksize+0x104/0x180
[  248.873828][ T7155]  ? setup_bdev_super+0x4c1/0x5b0
[  248.873855][ T7155]  get_tree_bdev_flags+0x40e/0x4d0
[  248.873879][ T7155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.873901][ T7155]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.873921][ T7155]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  248.873959][ T7155]  gfs2_get_tree+0x51/0x1e0
[  248.873985][ T7155]  vfs_get_tree+0x92/0x2b0
[  248.874012][ T7155]  do_new_mount+0x302/0x9e0
[  248.874036][ T7155]  ? apparmor_capable+0x137/0x1b0
[  248.874070][ T7155]  ? __pfx_do_new_mount+0x10/0x10
[  248.874094][ T7155]  ? ns_capable+0x8a/0xf0
[  248.874116][ T7155]  ? kmem_cache_free+0x19b/0x690
[  248.874149][ T7155]  __se_sys_mount+0x313/0x410
[  248.874179][ T7155]  ? __pfx___se_sys_mount+0x10/0x10
[  248.874208][ T7155]  ? do_syscall_64+0xbe/0xfa0
[  248.874229][ T7155]  ? __x64_sys_mount+0x20/0xc0
[  248.874256][ T7155]  do_syscall_64+0xfa/0xfa0
[  248.874278][ T7155]  ? lockdep_hardirqs_on+0x9c/0x150
[  248.874300][ T7155]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.874319][ T7155]  ? clear_bhb_loop+0x60/0xb0
[  248.874343][ T7155]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.874361][ T7155] RIP: 0033:0x7efd5379038a
[  248.874379][ T7155] 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
[  248.874397][ T7155] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.874425][ T7155] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  248.874442][ T7155] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  248.874456][ T7155] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  248.874469][ T7155] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  248.874482][ T7155] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  248.874514][ T7155]  </TASK>
[  248.874571][ T7155] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.203280][ T7155] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.537457][ T7159] loop1: detected capacity change from 0 to 32768
[  249.561598][ T7159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.569249][ T7159] CPU: 0 UID: 0 PID: 7159 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) 
[  249.569274][ T7159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  249.569287][ T7159] Call Trace:
[  249.569295][ T7159]  <TASK>
[  249.569304][ T7159]  dump_stack_lvl+0x189/0x250
[  249.569334][ T7159]  ? __pfx_dump_stack_lvl+0x10/0x10
[  249.569356][ T7159]  ? __pfx__printk+0x10/0x10
[  249.569391][ T7159]  ? kernfs_path_from_node+0x250/0x290
[  249.569410][ T7159]  ? kernfs_path_from_node+0x2f/0x290
[  249.569433][ T7159]  sysfs_create_dir_ns+0x259/0x280
[  249.569455][ T7159]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  249.569477][ T7159]  ? do_raw_spin_unlock+0x122/0x240
[  249.569505][ T7159]  kobject_add_internal+0x59f/0xb40
[  249.569540][ T7159]  kobject_init_and_add+0x125/0x190
[  249.569571][ T7159]  ? __pfx_kobject_init_and_add+0x10/0x10
[  249.569599][ T7159]  ? __raw_spin_lock_init+0x45/0x100
[  249.569624][ T7159]  ? __init_swait_queue_head+0xa9/0x150
[  249.569652][ T7159]  gfs2_sys_fs_add+0x234/0x450
[  249.569682][ T7159]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  249.569714][ T7159]  ? is_dynamic_key+0xd6/0x1c0
[  249.569741][ T7159]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  249.569782][ T7159]  gfs2_fill_super+0x13c0/0x20d0
[  249.569822][ T7159]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.569850][ T7159]  ? sb_set_blocksize+0x104/0x180
[  249.569874][ T7159]  ? setup_bdev_super+0x4c1/0x5b0
[  249.569901][ T7159]  get_tree_bdev_flags+0x40e/0x4d0
[  249.569924][ T7159]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.569945][ T7159]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  249.569967][ T7159]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  249.570006][ T7159]  gfs2_get_tree+0x51/0x1e0
[  249.570029][ T7159]  vfs_get_tree+0x92/0x2b0
[  249.570055][ T7159]  do_new_mount+0x302/0x9e0
[  249.570079][ T7159]  ? apparmor_capable+0x137/0x1b0
[  249.570123][ T7159]  ? __pfx_do_new_mount+0x10/0x10
[  249.570148][ T7159]  ? ns_capable+0x8a/0xf0
[  249.570171][ T7159]  ? kmem_cache_free+0x19b/0x690
[  249.570205][ T7159]  __se_sys_mount+0x313/0x410
[  249.570237][ T7159]  ? __pfx___se_sys_mount+0x10/0x10
[  249.570266][ T7159]  ? do_syscall_64+0xbe/0xfa0
[  249.570287][ T7159]  ? __x64_sys_mount+0x20/0xc0
[  249.570315][ T7159]  do_syscall_64+0xfa/0xfa0
[  249.570337][ T7159]  ? lockdep_hardirqs_on+0x9c/0x150
[  249.570357][ T7159]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.570376][ T7159]  ? clear_bhb_loop+0x60/0xb0
[  249.570398][ T7159]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.570417][ T7159] RIP: 0033:0x7efd5379038a
[  249.570436][ T7159] 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
[  249.570455][ T7159] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.570476][ T7159] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  249.570492][ T7159] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  249.570507][ T7159] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  249.570522][ T7159] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  249.570536][ T7159] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  249.570568][ T7159]  </TASK>
[  249.570622][ T7159] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.900320][ T7159] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:46:44 executed programs: 147
[  250.232867][ T7163] loop1: detected capacity change from 0 to 32768
[  250.257082][ T7163] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.264496][ T7163] CPU: 1 UID: 0 PID: 7163 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) 
[  250.264523][ T7163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  250.264537][ T7163] Call Trace:
[  250.264546][ T7163]  <TASK>
[  250.264554][ T7163]  dump_stack_lvl+0x189/0x250
[  250.264588][ T7163]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.264614][ T7163]  ? __pfx__printk+0x10/0x10
[  250.264647][ T7163]  ? kernfs_path_from_node+0x250/0x290
[  250.264668][ T7163]  ? kernfs_path_from_node+0x2f/0x290
[  250.264691][ T7163]  sysfs_create_dir_ns+0x259/0x280
[  250.264713][ T7163]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.264735][ T7163]  ? do_raw_spin_unlock+0x122/0x240
[  250.264765][ T7163]  kobject_add_internal+0x59f/0xb40
[  250.264802][ T7163]  kobject_init_and_add+0x125/0x190
[  250.264832][ T7163]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.264858][ T7163]  ? __raw_spin_lock_init+0x45/0x100
[  250.264899][ T7163]  ? __init_swait_queue_head+0xa9/0x150
[  250.264927][ T7163]  gfs2_sys_fs_add+0x234/0x450
[  250.264957][ T7163]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.264990][ T7163]  ? is_dynamic_key+0xd6/0x1c0
[  250.265017][ T7163]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.265055][ T7163]  gfs2_fill_super+0x13c0/0x20d0
[  250.265093][ T7163]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.265120][ T7163]  ? sb_set_blocksize+0x104/0x180
[  250.265144][ T7163]  ? setup_bdev_super+0x4c1/0x5b0
[  250.265171][ T7163]  get_tree_bdev_flags+0x40e/0x4d0
[  250.265196][ T7163]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.265219][ T7163]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.265241][ T7163]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.265281][ T7163]  gfs2_get_tree+0x51/0x1e0
[  250.265312][ T7163]  vfs_get_tree+0x92/0x2b0
[  250.265338][ T7163]  do_new_mount+0x302/0x9e0
[  250.265361][ T7163]  ? apparmor_capable+0x137/0x1b0
[  250.265395][ T7163]  ? __pfx_do_new_mount+0x10/0x10
[  250.265418][ T7163]  ? ns_capable+0x8a/0xf0
[  250.265439][ T7163]  ? kmem_cache_free+0x19b/0x690
[  250.265473][ T7163]  __se_sys_mount+0x313/0x410
[  250.265505][ T7163]  ? __pfx___se_sys_mount+0x10/0x10
[  250.265535][ T7163]  ? do_syscall_64+0xbe/0xfa0
[  250.265557][ T7163]  ? __x64_sys_mount+0x20/0xc0
[  250.265583][ T7163]  do_syscall_64+0xfa/0xfa0
[  250.265605][ T7163]  ? lockdep_hardirqs_on+0x9c/0x150
[  250.265627][ T7163]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.265647][ T7163]  ? clear_bhb_loop+0x60/0xb0
[  250.265671][ T7163]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.265688][ T7163] RIP: 0033:0x7efd5379038a
[  250.265705][ T7163] 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
[  250.265723][ T7163] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.265745][ T7163] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  250.265761][ T7163] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  250.265777][ T7163] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  250.265791][ T7163] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.265805][ T7163] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.265839][ T7163]  </TASK>
[  250.578532][ T7163] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.593078][ T7163] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.923382][ T7167] loop1: detected capacity change from 0 to 32768
[  250.935152][ T7167] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.942623][ T7167] CPU: 1 UID: 0 PID: 7167 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  250.942647][ T7167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  250.942660][ T7167] Call Trace:
[  250.942669][ T7167]  <TASK>
[  250.942677][ T7167]  dump_stack_lvl+0x189/0x250
[  250.942708][ T7167]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.942732][ T7167]  ? __pfx__printk+0x10/0x10
[  250.942766][ T7167]  ? kernfs_path_from_node+0x250/0x290
[  250.942787][ T7167]  ? kernfs_path_from_node+0x2f/0x290
[  250.942811][ T7167]  sysfs_create_dir_ns+0x259/0x280
[  250.942834][ T7167]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.942855][ T7167]  ? do_raw_spin_unlock+0x122/0x240
[  250.942885][ T7167]  kobject_add_internal+0x59f/0xb40
[  250.942922][ T7167]  kobject_init_and_add+0x125/0x190
[  250.942955][ T7167]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.942984][ T7167]  ? __raw_spin_lock_init+0x45/0x100
[  250.943009][ T7167]  ? __init_swait_queue_head+0xa9/0x150
[  250.943036][ T7167]  gfs2_sys_fs_add+0x234/0x450
[  250.943068][ T7167]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.943103][ T7167]  ? is_dynamic_key+0xd6/0x1c0
[  250.943129][ T7167]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.943168][ T7167]  gfs2_fill_super+0x13c0/0x20d0
[  250.943202][ T7167]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.943229][ T7167]  ? sb_set_blocksize+0x104/0x180
[  250.943262][ T7167]  ? setup_bdev_super+0x4c1/0x5b0
[  250.943289][ T7167]  get_tree_bdev_flags+0x40e/0x4d0
[  250.943313][ T7167]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.943335][ T7167]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.943357][ T7167]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.943395][ T7167]  gfs2_get_tree+0x51/0x1e0
[  250.943419][ T7167]  vfs_get_tree+0x92/0x2b0
[  250.943446][ T7167]  do_new_mount+0x302/0x9e0
[  250.943469][ T7167]  ? apparmor_capable+0x137/0x1b0
[  250.943504][ T7167]  ? __pfx_do_new_mount+0x10/0x10
[  250.943529][ T7167]  ? ns_capable+0x8a/0xf0
[  250.943551][ T7167]  ? kmem_cache_free+0x19b/0x690
[  250.943586][ T7167]  __se_sys_mount+0x313/0x410
[  250.943619][ T7167]  ? __pfx___se_sys_mount+0x10/0x10
[  250.943649][ T7167]  ? do_syscall_64+0xbe/0xfa0
[  250.943668][ T7167]  ? __x64_sys_mount+0x20/0xc0
[  250.943696][ T7167]  do_syscall_64+0xfa/0xfa0
[  250.943718][ T7167]  ? lockdep_hardirqs_on+0x9c/0x150
[  250.943741][ T7167]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.943761][ T7167]  ? clear_bhb_loop+0x60/0xb0
[  250.943786][ T7167]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.943805][ T7167] RIP: 0033:0x7efd5379038a
[  250.943821][ T7167] 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
[  250.943837][ T7167] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.943856][ T7167] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  250.943870][ T7167] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  250.943884][ T7167] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  250.943897][ T7167] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.943909][ T7167] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.943943][ T7167]  </TASK>
[  250.943970][ T7167] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.269690][ T7167] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.597105][ T7171] loop1: detected capacity change from 0 to 32768
[  251.622430][ T7171] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.629974][ T7171] CPU: 1 UID: 0 PID: 7171 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) 
[  251.630000][ T7171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  251.630013][ T7171] Call Trace:
[  251.630022][ T7171]  <TASK>
[  251.630031][ T7171]  dump_stack_lvl+0x189/0x250
[  251.630064][ T7171]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.630090][ T7171]  ? __pfx__printk+0x10/0x10
[  251.630124][ T7171]  ? kernfs_path_from_node+0x250/0x290
[  251.630144][ T7171]  ? kernfs_path_from_node+0x2f/0x290
[  251.630167][ T7171]  sysfs_create_dir_ns+0x259/0x280
[  251.630189][ T7171]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.630210][ T7171]  ? do_raw_spin_unlock+0x122/0x240
[  251.630239][ T7171]  kobject_add_internal+0x59f/0xb40
[  251.630273][ T7171]  kobject_init_and_add+0x125/0x190
[  251.630303][ T7171]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.630330][ T7171]  ? __raw_spin_lock_init+0x45/0x100
[  251.630355][ T7171]  ? __init_swait_queue_head+0xa9/0x150
[  251.630383][ T7171]  gfs2_sys_fs_add+0x234/0x450
[  251.630413][ T7171]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.630447][ T7171]  ? is_dynamic_key+0xd6/0x1c0
[  251.630473][ T7171]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.630512][ T7171]  gfs2_fill_super+0x13c0/0x20d0
[  251.630554][ T7171]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.630580][ T7171]  ? sb_set_blocksize+0x104/0x180
[  251.630605][ T7171]  ? setup_bdev_super+0x4c1/0x5b0
[  251.630634][ T7171]  get_tree_bdev_flags+0x40e/0x4d0
[  251.630659][ T7171]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.630681][ T7171]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.630703][ T7171]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  251.630741][ T7171]  gfs2_get_tree+0x51/0x1e0
[  251.630765][ T7171]  vfs_get_tree+0x92/0x2b0
[  251.630791][ T7171]  do_new_mount+0x302/0x9e0
[  251.630812][ T7171]  ? apparmor_capable+0x137/0x1b0
[  251.630845][ T7171]  ? __pfx_do_new_mount+0x10/0x10
[  251.630869][ T7171]  ? ns_capable+0x8a/0xf0
[  251.630890][ T7171]  ? kmem_cache_free+0x19b/0x690
[  251.630933][ T7171]  __se_sys_mount+0x313/0x410
[  251.630965][ T7171]  ? __pfx___se_sys_mount+0x10/0x10
[  251.630994][ T7171]  ? do_syscall_64+0xbe/0xfa0
[  251.631016][ T7171]  ? __x64_sys_mount+0x20/0xc0
[  251.631043][ T7171]  do_syscall_64+0xfa/0xfa0
[  251.631064][ T7171]  ? lockdep_hardirqs_on+0x9c/0x150
[  251.631087][ T7171]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.631106][ T7171]  ? clear_bhb_loop+0x60/0xb0
[  251.631128][ T7171]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.631146][ T7171] RIP: 0033:0x7efd5379038a
[  251.631164][ T7171] 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
[  251.631182][ T7171] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.631204][ T7171] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  251.631220][ T7171] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  251.631236][ T7171] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  251.631250][ T7171] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  251.631264][ T7171] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  251.631298][ T7171]  </TASK>
[  251.631354][ T7171] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.958230][ T7171] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.306757][ T7175] loop1: detected capacity change from 0 to 32768
[  252.322156][ T7175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.329684][ T7175] CPU: 1 UID: 0 PID: 7175 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) 
[  252.329710][ T7175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  252.329722][ T7175] Call Trace:
[  252.329730][ T7175]  <TASK>
[  252.329739][ T7175]  dump_stack_lvl+0x189/0x250
[  252.329770][ T7175]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.329795][ T7175]  ? __pfx__printk+0x10/0x10
[  252.329828][ T7175]  ? kernfs_path_from_node+0x250/0x290
[  252.329847][ T7175]  ? kernfs_path_from_node+0x2f/0x290
[  252.329871][ T7175]  sysfs_create_dir_ns+0x259/0x280
[  252.329894][ T7175]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.329916][ T7175]  ? do_raw_spin_unlock+0x122/0x240
[  252.329943][ T7175]  kobject_add_internal+0x59f/0xb40
[  252.329979][ T7175]  kobject_init_and_add+0x125/0x190
[  252.330013][ T7175]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.330041][ T7175]  ? __raw_spin_lock_init+0x45/0x100
[  252.330068][ T7175]  ? __init_swait_queue_head+0xa9/0x150
[  252.330103][ T7175]  gfs2_sys_fs_add+0x234/0x450
[  252.330133][ T7175]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.330167][ T7175]  ? is_dynamic_key+0xd6/0x1c0
[  252.330193][ T7175]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.330230][ T7175]  gfs2_fill_super+0x13c0/0x20d0
[  252.330269][ T7175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.330295][ T7175]  ? sb_set_blocksize+0x104/0x180
[  252.330321][ T7175]  ? setup_bdev_super+0x4c1/0x5b0
[  252.330348][ T7175]  get_tree_bdev_flags+0x40e/0x4d0
[  252.330372][ T7175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.330393][ T7175]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.330414][ T7175]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  252.330453][ T7175]  gfs2_get_tree+0x51/0x1e0
[  252.330476][ T7175]  vfs_get_tree+0x92/0x2b0
[  252.330501][ T7175]  do_new_mount+0x302/0x9e0
[  252.330524][ T7175]  ? apparmor_capable+0x137/0x1b0
[  252.330558][ T7175]  ? __pfx_do_new_mount+0x10/0x10
[  252.330584][ T7175]  ? ns_capable+0x8a/0xf0
[  252.330606][ T7175]  ? kmem_cache_free+0x19b/0x690
[  252.330642][ T7175]  __se_sys_mount+0x313/0x410
[  252.330673][ T7175]  ? __pfx___se_sys_mount+0x10/0x10
[  252.330702][ T7175]  ? do_syscall_64+0xbe/0xfa0
[  252.330723][ T7175]  ? __x64_sys_mount+0x20/0xc0
[  252.330750][ T7175]  do_syscall_64+0xfa/0xfa0
[  252.330770][ T7175]  ? lockdep_hardirqs_on+0x9c/0x150
[  252.330792][ T7175]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.330812][ T7175]  ? clear_bhb_loop+0x60/0xb0
[  252.330834][ T7175]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.330852][ T7175] RIP: 0033:0x7efd5379038a
[  252.330870][ T7175] 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
[  252.330888][ T7175] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.330909][ T7175] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  252.330924][ T7175] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  252.330939][ T7175] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  252.330952][ T7175] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  252.330965][ T7175] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.330998][ T7175]  </TASK>
[  252.331025][ T7175] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.657269][ T7175] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.986087][ T7179] loop1: detected capacity change from 0 to 32768
[  253.009711][ T7179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.017180][ T7179] CPU: 0 UID: 0 PID: 7179 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) 
[  253.017206][ T7179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  253.017219][ T7179] Call Trace:
[  253.017228][ T7179]  <TASK>
[  253.017235][ T7179]  dump_stack_lvl+0x189/0x250
[  253.017268][ T7179]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.017293][ T7179]  ? __pfx__printk+0x10/0x10
[  253.017330][ T7179]  ? kernfs_path_from_node+0x250/0x290
[  253.017350][ T7179]  ? kernfs_path_from_node+0x2f/0x290
[  253.017375][ T7179]  sysfs_create_dir_ns+0x259/0x280
[  253.017399][ T7179]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.017420][ T7179]  ? do_raw_spin_unlock+0x122/0x240
[  253.017449][ T7179]  kobject_add_internal+0x59f/0xb40
[  253.017484][ T7179]  kobject_init_and_add+0x125/0x190
[  253.017517][ T7179]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.017546][ T7179]  ? __raw_spin_lock_init+0x45/0x100
[  253.017570][ T7179]  ? __init_swait_queue_head+0xa9/0x150
[  253.017597][ T7179]  gfs2_sys_fs_add+0x234/0x450
[  253.017629][ T7179]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.017665][ T7179]  ? is_dynamic_key+0xd6/0x1c0
[  253.017693][ T7179]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.017733][ T7179]  gfs2_fill_super+0x13c0/0x20d0
[  253.017772][ T7179]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.017797][ T7179]  ? sb_set_blocksize+0x104/0x180
[  253.017823][ T7179]  ? setup_bdev_super+0x4c1/0x5b0
[  253.017851][ T7179]  get_tree_bdev_flags+0x40e/0x4d0
[  253.017875][ T7179]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.017897][ T7179]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.017917][ T7179]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  253.017956][ T7179]  gfs2_get_tree+0x51/0x1e0
[  253.017983][ T7179]  vfs_get_tree+0x92/0x2b0
[  253.018010][ T7179]  do_new_mount+0x302/0x9e0
[  253.018033][ T7179]  ? apparmor_capable+0x137/0x1b0
[  253.018075][ T7179]  ? __pfx_do_new_mount+0x10/0x10
[  253.018100][ T7179]  ? ns_capable+0x8a/0xf0
[  253.018121][ T7179]  ? kmem_cache_free+0x19b/0x690
[  253.018156][ T7179]  __se_sys_mount+0x313/0x410
[  253.018188][ T7179]  ? __pfx___se_sys_mount+0x10/0x10
[  253.018218][ T7179]  ? do_syscall_64+0xbe/0xfa0
[  253.018239][ T7179]  ? __x64_sys_mount+0x20/0xc0
[  253.018264][ T7179]  do_syscall_64+0xfa/0xfa0
[  253.018286][ T7179]  ? lockdep_hardirqs_on+0x9c/0x150
[  253.018309][ T7179]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.018330][ T7179]  ? clear_bhb_loop+0x60/0xb0
[  253.018354][ T7179]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.018373][ T7179] RIP: 0033:0x7efd5379038a
[  253.018392][ T7179] 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
[  253.018410][ T7179] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.018431][ T7179] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  253.018446][ T7179] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  253.018461][ T7179] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  253.018475][ T7179] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  253.018487][ T7179] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  253.018520][ T7179]  </TASK>
[  253.018547][ T7179] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.348664][ T7179] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.679897][ T7183] loop1: detected capacity change from 0 to 32768
[  253.691443][ T7183] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.700131][ T7183] CPU: 0 UID: 0 PID: 7183 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) 
[  253.700162][ T7183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  253.700175][ T7183] Call Trace:
[  253.700184][ T7183]  <TASK>
[  253.700193][ T7183]  dump_stack_lvl+0x189/0x250
[  253.700225][ T7183]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.700248][ T7183]  ? __pfx__printk+0x10/0x10
[  253.700281][ T7183]  ? kernfs_path_from_node+0x250/0x290
[  253.700300][ T7183]  ? kernfs_path_from_node+0x2f/0x290
[  253.700322][ T7183]  sysfs_create_dir_ns+0x259/0x280
[  253.700345][ T7183]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.700365][ T7183]  ? do_raw_spin_unlock+0x122/0x240
[  253.700394][ T7183]  kobject_add_internal+0x59f/0xb40
[  253.700428][ T7183]  kobject_init_and_add+0x125/0x190
[  253.700459][ T7183]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.700486][ T7183]  ? __raw_spin_lock_init+0x45/0x100
[  253.700512][ T7183]  ? __init_swait_queue_head+0xa9/0x150
[  253.700538][ T7183]  gfs2_sys_fs_add+0x234/0x450
[  253.700568][ T7183]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.700601][ T7183]  ? is_dynamic_key+0xd6/0x1c0
[  253.700627][ T7183]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.700665][ T7183]  gfs2_fill_super+0x13c0/0x20d0
[  253.700703][ T7183]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.700728][ T7183]  ? sb_set_blocksize+0x104/0x180
[  253.700753][ T7183]  ? setup_bdev_super+0x4c1/0x5b0
[  253.700780][ T7183]  get_tree_bdev_flags+0x40e/0x4d0
[  253.700805][ T7183]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.700828][ T7183]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.700849][ T7183]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  253.700888][ T7183]  gfs2_get_tree+0x51/0x1e0
[  253.700913][ T7183]  vfs_get_tree+0x92/0x2b0
[  253.700938][ T7183]  do_new_mount+0x302/0x9e0
[  253.700961][ T7183]  ? apparmor_capable+0x137/0x1b0
[  253.700994][ T7183]  ? __pfx_do_new_mount+0x10/0x10
[  253.701020][ T7183]  ? ns_capable+0x8a/0xf0
[  253.701048][ T7183]  ? kmem_cache_free+0x19b/0x690
[  253.701083][ T7183]  __se_sys_mount+0x313/0x410
[  253.701115][ T7183]  ? __pfx___se_sys_mount+0x10/0x10
[  253.701147][ T7183]  ? do_syscall_64+0xbe/0xfa0
[  253.701168][ T7183]  ? __x64_sys_mount+0x20/0xc0
[  253.701197][ T7183]  do_syscall_64+0xfa/0xfa0
[  253.701219][ T7183]  ? lockdep_hardirqs_on+0x9c/0x150
[  253.701241][ T7183]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.701259][ T7183]  ? clear_bhb_loop+0x60/0xb0
[  253.701282][ T7183]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.701300][ T7183] RIP: 0033:0x7efd5379038a
[  253.701319][ T7183] 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
[  253.701336][ T7183] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.701356][ T7183] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  253.701370][ T7183] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  253.701385][ T7183] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  253.701399][ T7183] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  253.701412][ T7183] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  253.701443][ T7183]  </TASK>
[  253.701543][ T7183] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.029163][ T7183] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.359298][ T7187] loop1: detected capacity change from 0 to 32768
[  254.381679][ T7187] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.389149][ T7187] CPU: 0 UID: 0 PID: 7187 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) 
[  254.389175][ T7187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  254.389188][ T7187] Call Trace:
[  254.389197][ T7187]  <TASK>
[  254.389206][ T7187]  dump_stack_lvl+0x189/0x250
[  254.389238][ T7187]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.389263][ T7187]  ? __pfx__printk+0x10/0x10
[  254.389297][ T7187]  ? kernfs_path_from_node+0x250/0x290
[  254.389317][ T7187]  ? kernfs_path_from_node+0x2f/0x290
[  254.389341][ T7187]  sysfs_create_dir_ns+0x259/0x280
[  254.389364][ T7187]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.389386][ T7187]  ? do_raw_spin_unlock+0x122/0x240
[  254.389416][ T7187]  kobject_add_internal+0x59f/0xb40
[  254.389452][ T7187]  kobject_init_and_add+0x125/0x190
[  254.389484][ T7187]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.389512][ T7187]  ? __raw_spin_lock_init+0x45/0x100
[  254.389537][ T7187]  ? __init_swait_queue_head+0xa9/0x150
[  254.389565][ T7187]  gfs2_sys_fs_add+0x234/0x450
[  254.389595][ T7187]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.389630][ T7187]  ? is_dynamic_key+0xd6/0x1c0
[  254.389664][ T7187]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.389704][ T7187]  gfs2_fill_super+0x13c0/0x20d0
[  254.389742][ T7187]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.389770][ T7187]  ? sb_set_blocksize+0x104/0x180
[  254.389796][ T7187]  ? setup_bdev_super+0x4c1/0x5b0
[  254.389824][ T7187]  get_tree_bdev_flags+0x40e/0x4d0
[  254.389848][ T7187]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.389869][ T7187]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.389890][ T7187]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  254.389929][ T7187]  gfs2_get_tree+0x51/0x1e0
[  254.389954][ T7187]  vfs_get_tree+0x92/0x2b0
[  254.389979][ T7187]  do_new_mount+0x302/0x9e0
[  254.390009][ T7187]  ? apparmor_capable+0x137/0x1b0
[  254.390042][ T7187]  ? __pfx_do_new_mount+0x10/0x10
[  254.390067][ T7187]  ? ns_capable+0x8a/0xf0
[  254.390089][ T7187]  ? kmem_cache_free+0x19b/0x690
[  254.390125][ T7187]  __se_sys_mount+0x313/0x410
[  254.390156][ T7187]  ? __pfx___se_sys_mount+0x10/0x10
[  254.390186][ T7187]  ? do_syscall_64+0xbe/0xfa0
[  254.390208][ T7187]  ? __x64_sys_mount+0x20/0xc0
[  254.390236][ T7187]  do_syscall_64+0xfa/0xfa0
[  254.390258][ T7187]  ? lockdep_hardirqs_on+0x9c/0x150
[  254.390280][ T7187]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.390297][ T7187]  ? clear_bhb_loop+0x60/0xb0
[  254.390319][ T7187]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.390336][ T7187] RIP: 0033:0x7efd5379038a
[  254.390353][ T7187] 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
[  254.390370][ T7187] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.390388][ T7187] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  254.390403][ T7187] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  254.390418][ T7187] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  254.390431][ T7187] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  254.390444][ T7187] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  254.390483][ T7187]  </TASK>
[  254.390509][ T7187] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.717313][ T7187] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.048976][ T7191] loop1: detected capacity change from 0 to 32768
[  255.069119][ T7191] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.079183][ T7191] CPU: 0 UID: 0 PID: 7191 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) 
[  255.079207][ T7191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  255.079220][ T7191] Call Trace:
[  255.079227][ T7191]  <TASK>
[  255.079236][ T7191]  dump_stack_lvl+0x189/0x250
[  255.079266][ T7191]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.079288][ T7191]  ? __pfx__printk+0x10/0x10
[  255.079320][ T7191]  ? kernfs_path_from_node+0x250/0x290
[  255.079337][ T7191]  ? kernfs_path_from_node+0x2f/0x290
[  255.079357][ T7191]  sysfs_create_dir_ns+0x259/0x280
[  255.079375][ T7191]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.079391][ T7191]  ? do_raw_spin_unlock+0x122/0x240
[  255.079415][ T7191]  kobject_add_internal+0x59f/0xb40
[  255.079443][ T7191]  kobject_init_and_add+0x125/0x190
[  255.079470][ T7191]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.079492][ T7191]  ? __raw_spin_lock_init+0x45/0x100
[  255.079512][ T7191]  ? __init_swait_queue_head+0xa9/0x150
[  255.079533][ T7191]  gfs2_sys_fs_add+0x234/0x450
[  255.079558][ T7191]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.079649][ T7191]  ? is_dynamic_key+0xd6/0x1c0
[  255.079676][ T7191]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.079710][ T7191]  gfs2_fill_super+0x13c0/0x20d0
[  255.079747][ T7191]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.079772][ T7191]  ? sb_set_blocksize+0x104/0x180
[  255.079796][ T7191]  ? setup_bdev_super+0x4c1/0x5b0
[  255.079822][ T7191]  get_tree_bdev_flags+0x40e/0x4d0
[  255.079843][ T7191]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.079863][ T7191]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.079884][ T7191]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.079921][ T7191]  gfs2_get_tree+0x51/0x1e0
[  255.079946][ T7191]  vfs_get_tree+0x92/0x2b0
[  255.079972][ T7191]  do_new_mount+0x302/0x9e0
[  255.079993][ T7191]  ? apparmor_capable+0x137/0x1b0
[  255.080024][ T7191]  ? __pfx_do_new_mount+0x10/0x10
[  255.080049][ T7191]  ? ns_capable+0x8a/0xf0
[  255.080070][ T7191]  ? kmem_cache_free+0x19b/0x690
[  255.080113][ T7191]  __se_sys_mount+0x313/0x410
[  255.080145][ T7191]  ? __pfx___se_sys_mount+0x10/0x10
[  255.080173][ T7191]  ? do_syscall_64+0xbe/0xfa0
[  255.080194][ T7191]  ? __x64_sys_mount+0x20/0xc0
[  255.080219][ T7191]  do_syscall_64+0xfa/0xfa0
[  255.080239][ T7191]  ? lockdep_hardirqs_on+0x9c/0x150
[  255.080260][ T7191]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.080285][ T7191]  ? clear_bhb_loop+0x60/0xb0
[  255.080311][ T7191]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.080331][ T7191] RIP: 0033:0x7efd5379038a
[  255.080348][ T7191] 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
[  255.080364][ T7191] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.080385][ T7191] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  255.080400][ T7191] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  255.080414][ T7191] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  255.080427][ T7191] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.080439][ T7191] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.080470][ T7191]  </TASK>
[  255.081759][ T7191] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.410159][ T7191] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:46:49 executed programs: 155
[  255.642463][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[  255.652332][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
[  255.752668][ T7195] loop1: detected capacity change from 0 to 32768
[  255.765872][ T7195] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.773280][ T7195] CPU: 1 UID: 0 PID: 7195 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) 
[  255.773306][ T7195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  255.773318][ T7195] Call Trace:
[  255.773327][ T7195]  <TASK>
[  255.773335][ T7195]  dump_stack_lvl+0x189/0x250
[  255.773367][ T7195]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.773392][ T7195]  ? __pfx__printk+0x10/0x10
[  255.773425][ T7195]  ? kernfs_path_from_node+0x250/0x290
[  255.773445][ T7195]  ? kernfs_path_from_node+0x2f/0x290
[  255.773468][ T7195]  sysfs_create_dir_ns+0x259/0x280
[  255.773492][ T7195]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.773515][ T7195]  ? do_raw_spin_unlock+0x122/0x240
[  255.773543][ T7195]  kobject_add_internal+0x59f/0xb40
[  255.773581][ T7195]  kobject_init_and_add+0x125/0x190
[  255.773613][ T7195]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.773640][ T7195]  ? __raw_spin_lock_init+0x45/0x100
[  255.773666][ T7195]  ? __init_swait_queue_head+0xa9/0x150
[  255.773691][ T7195]  gfs2_sys_fs_add+0x234/0x450
[  255.773721][ T7195]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.773754][ T7195]  ? is_dynamic_key+0xd6/0x1c0
[  255.773804][ T7195]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.773844][ T7195]  gfs2_fill_super+0x13c0/0x20d0
[  255.773882][ T7195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.773908][ T7195]  ? sb_set_blocksize+0x104/0x180
[  255.773934][ T7195]  ? setup_bdev_super+0x4c1/0x5b0
[  255.773961][ T7195]  get_tree_bdev_flags+0x40e/0x4d0
[  255.773983][ T7195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.774005][ T7195]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.774026][ T7195]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.774066][ T7195]  gfs2_get_tree+0x51/0x1e0
[  255.774092][ T7195]  vfs_get_tree+0x92/0x2b0
[  255.774119][ T7195]  do_new_mount+0x302/0x9e0
[  255.774142][ T7195]  ? apparmor_capable+0x137/0x1b0
[  255.774174][ T7195]  ? __pfx_do_new_mount+0x10/0x10
[  255.774199][ T7195]  ? ns_capable+0x8a/0xf0
[  255.774220][ T7195]  ? kmem_cache_free+0x19b/0x690
[  255.774254][ T7195]  __se_sys_mount+0x313/0x410
[  255.774284][ T7195]  ? __pfx___se_sys_mount+0x10/0x10
[  255.774314][ T7195]  ? do_syscall_64+0xbe/0xfa0
[  255.774336][ T7195]  ? __x64_sys_mount+0x20/0xc0
[  255.774362][ T7195]  do_syscall_64+0xfa/0xfa0
[  255.774384][ T7195]  ? lockdep_hardirqs_on+0x9c/0x150
[  255.774406][ T7195]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.774425][ T7195]  ? clear_bhb_loop+0x60/0xb0
[  255.774449][ T7195]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.774468][ T7195] RIP: 0033:0x7efd5379038a
[  255.774486][ T7195] 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
[  255.774505][ T7195] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.774526][ T7195] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  255.774538][ T7195] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  255.774552][ T7195] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  255.774565][ T7195] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.774579][ T7195] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.774618][ T7195]  </TASK>
[  256.086875][ T7195] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.101089][ T7195] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.430805][ T7199] loop1: detected capacity change from 0 to 32768
[  256.453514][ T7199] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.461188][ T7199] CPU: 0 UID: 0 PID: 7199 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  256.461214][ T7199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  256.461227][ T7199] Call Trace:
[  256.461235][ T7199]  <TASK>
[  256.461244][ T7199]  dump_stack_lvl+0x189/0x250
[  256.461275][ T7199]  ? __pfx_dump_stack_lvl+0x10/0x10
[  256.461299][ T7199]  ? __pfx__printk+0x10/0x10
[  256.461332][ T7199]  ? kernfs_path_from_node+0x250/0x290
[  256.461351][ T7199]  ? kernfs_path_from_node+0x2f/0x290
[  256.461374][ T7199]  sysfs_create_dir_ns+0x259/0x280
[  256.461396][ T7199]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.461418][ T7199]  ? do_raw_spin_unlock+0x122/0x240
[  256.461446][ T7199]  kobject_add_internal+0x59f/0xb40
[  256.461481][ T7199]  kobject_init_and_add+0x125/0x190
[  256.461512][ T7199]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.461540][ T7199]  ? __raw_spin_lock_init+0x45/0x100
[  256.461566][ T7199]  ? __init_swait_queue_head+0xa9/0x150
[  256.461594][ T7199]  gfs2_sys_fs_add+0x234/0x450
[  256.461623][ T7199]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.461657][ T7199]  ? is_dynamic_key+0xd6/0x1c0
[  256.461684][ T7199]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.461733][ T7199]  gfs2_fill_super+0x13c0/0x20d0
[  256.461773][ T7199]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.461798][ T7199]  ? sb_set_blocksize+0x104/0x180
[  256.461824][ T7199]  ? setup_bdev_super+0x4c1/0x5b0
[  256.461850][ T7199]  get_tree_bdev_flags+0x40e/0x4d0
[  256.461873][ T7199]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.461895][ T7199]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.461915][ T7199]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  256.461953][ T7199]  gfs2_get_tree+0x51/0x1e0
[  256.461978][ T7199]  vfs_get_tree+0x92/0x2b0
[  256.462004][ T7199]  do_new_mount+0x302/0x9e0
[  256.462027][ T7199]  ? apparmor_capable+0x137/0x1b0
[  256.462060][ T7199]  ? __pfx_do_new_mount+0x10/0x10
[  256.462084][ T7199]  ? ns_capable+0x8a/0xf0
[  256.462105][ T7199]  ? kmem_cache_free+0x19b/0x690
[  256.462140][ T7199]  __se_sys_mount+0x313/0x410
[  256.462171][ T7199]  ? __pfx___se_sys_mount+0x10/0x10
[  256.462200][ T7199]  ? do_syscall_64+0xbe/0xfa0
[  256.462222][ T7199]  ? __x64_sys_mount+0x20/0xc0
[  256.462251][ T7199]  do_syscall_64+0xfa/0xfa0
[  256.462274][ T7199]  ? lockdep_hardirqs_on+0x9c/0x150
[  256.462294][ T7199]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.462314][ T7199]  ? clear_bhb_loop+0x60/0xb0
[  256.462336][ T7199]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.462355][ T7199] RIP: 0033:0x7efd5379038a
[  256.462373][ T7199] 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
[  256.462389][ T7199] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.462412][ T7199] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  256.462427][ T7199] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  256.462439][ T7199] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  256.462451][ T7199] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  256.462464][ T7199] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  256.462497][ T7199]  </TASK>
[  256.463363][ T7199] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.791839][ T7199] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.120998][ T7203] loop1: detected capacity change from 0 to 32768
[  257.149206][ T7203] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.157423][ T7203] CPU: 1 UID: 0 PID: 7203 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  257.157449][ T7203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  257.157461][ T7203] Call Trace:
[  257.157487][ T7203]  <TASK>
[  257.157496][ T7203]  dump_stack_lvl+0x189/0x250
[  257.157528][ T7203]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.157551][ T7203]  ? __pfx__printk+0x10/0x10
[  257.157586][ T7203]  ? kernfs_path_from_node+0x250/0x290
[  257.157606][ T7203]  ? kernfs_path_from_node+0x2f/0x290
[  257.157631][ T7203]  sysfs_create_dir_ns+0x259/0x280
[  257.157654][ T7203]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.157676][ T7203]  ? do_raw_spin_unlock+0x122/0x240
[  257.157703][ T7203]  kobject_add_internal+0x59f/0xb40
[  257.157738][ T7203]  kobject_init_and_add+0x125/0x190
[  257.157770][ T7203]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.157798][ T7203]  ? __raw_spin_lock_init+0x45/0x100
[  257.157825][ T7203]  ? __init_swait_queue_head+0xa9/0x150
[  257.157853][ T7203]  gfs2_sys_fs_add+0x234/0x450
[  257.157885][ T7203]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.157920][ T7203]  ? is_dynamic_key+0xd6/0x1c0
[  257.157947][ T7203]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.157988][ T7203]  gfs2_fill_super+0x13c0/0x20d0
[  257.158028][ T7203]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.158056][ T7203]  ? sb_set_blocksize+0x104/0x180
[  257.158082][ T7203]  ? setup_bdev_super+0x4c1/0x5b0
[  257.158110][ T7203]  get_tree_bdev_flags+0x40e/0x4d0
[  257.158134][ T7203]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.158157][ T7203]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.158179][ T7203]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.158218][ T7203]  gfs2_get_tree+0x51/0x1e0
[  257.158242][ T7203]  vfs_get_tree+0x92/0x2b0
[  257.158269][ T7203]  do_new_mount+0x302/0x9e0
[  257.158291][ T7203]  ? apparmor_capable+0x137/0x1b0
[  257.158322][ T7203]  ? __pfx_do_new_mount+0x10/0x10
[  257.158345][ T7203]  ? ns_capable+0x8a/0xf0
[  257.158366][ T7203]  ? kmem_cache_free+0x19b/0x690
[  257.158400][ T7203]  __se_sys_mount+0x313/0x410
[  257.158430][ T7203]  ? __pfx___se_sys_mount+0x10/0x10
[  257.158459][ T7203]  ? do_syscall_64+0xbe/0xfa0
[  257.158487][ T7203]  ? __x64_sys_mount+0x20/0xc0
[  257.158513][ T7203]  do_syscall_64+0xfa/0xfa0
[  257.158534][ T7203]  ? lockdep_hardirqs_on+0x9c/0x150
[  257.158557][ T7203]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.158576][ T7203]  ? clear_bhb_loop+0x60/0xb0
[  257.158597][ T7203]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.158615][ T7203] RIP: 0033:0x7efd5379038a
[  257.158631][ T7203] 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
[  257.158649][ T7203] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.158670][ T7203] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  257.158686][ T7203] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  257.158701][ T7203] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  257.158716][ T7203] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.158729][ T7203] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  257.158762][ T7203]  </TASK>
[  257.158788][ T7203] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.486060][ T7203] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.716677][   T52] Bluetooth: hci0: command 0x0406 tx timeout
[  257.810834][ T7207] loop1: detected capacity change from 0 to 32768
[  257.823953][ T7207] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.837163][ T7207] CPU: 0 UID: 0 PID: 7207 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  257.837193][ T7207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  257.837206][ T7207] Call Trace:
[  257.837214][ T7207]  <TASK>
[  257.837222][ T7207]  dump_stack_lvl+0x189/0x250
[  257.837255][ T7207]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.837281][ T7207]  ? __pfx__printk+0x10/0x10
[  257.837318][ T7207]  ? kernfs_path_from_node+0x250/0x290
[  257.837338][ T7207]  ? kernfs_path_from_node+0x2f/0x290
[  257.837361][ T7207]  sysfs_create_dir_ns+0x259/0x280
[  257.837383][ T7207]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.837404][ T7207]  ? do_raw_spin_unlock+0x122/0x240
[  257.837433][ T7207]  kobject_add_internal+0x59f/0xb40
[  257.837466][ T7207]  kobject_init_and_add+0x125/0x190
[  257.837498][ T7207]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.837527][ T7207]  ? __raw_spin_lock_init+0x45/0x100
[  257.837551][ T7207]  ? __init_swait_queue_head+0xa9/0x150
[  257.837579][ T7207]  gfs2_sys_fs_add+0x234/0x450
[  257.837619][ T7207]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.837653][ T7207]  ? is_dynamic_key+0xd6/0x1c0
[  257.837679][ T7207]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.837718][ T7207]  gfs2_fill_super+0x13c0/0x20d0
[  257.837754][ T7207]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.837779][ T7207]  ? sb_set_blocksize+0x104/0x180
[  257.837805][ T7207]  ? setup_bdev_super+0x4c1/0x5b0
[  257.837833][ T7207]  get_tree_bdev_flags+0x40e/0x4d0
[  257.837858][ T7207]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.837881][ T7207]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.837903][ T7207]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.837941][ T7207]  gfs2_get_tree+0x51/0x1e0
[  257.837965][ T7207]  vfs_get_tree+0x92/0x2b0
[  257.837990][ T7207]  do_new_mount+0x302/0x9e0
[  257.838013][ T7207]  ? apparmor_capable+0x137/0x1b0
[  257.838045][ T7207]  ? __pfx_do_new_mount+0x10/0x10
[  257.838070][ T7207]  ? ns_capable+0x8a/0xf0
[  257.838092][ T7207]  ? kmem_cache_free+0x19b/0x690
[  257.838126][ T7207]  __se_sys_mount+0x313/0x410
[  257.838158][ T7207]  ? __pfx___se_sys_mount+0x10/0x10
[  257.838188][ T7207]  ? do_syscall_64+0xbe/0xfa0
[  257.838209][ T7207]  ? __x64_sys_mount+0x20/0xc0
[  257.838236][ T7207]  do_syscall_64+0xfa/0xfa0
[  257.838257][ T7207]  ? lockdep_hardirqs_on+0x9c/0x150
[  257.838278][ T7207]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.838297][ T7207]  ? clear_bhb_loop+0x60/0xb0
[  257.838321][ T7207]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.838340][ T7207] RIP: 0033:0x7efd5379038a
[  257.838355][ T7207] 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
[  257.838373][ T7207] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.838395][ T7207] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  257.838410][ T7207] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  257.838426][ T7207] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  257.838440][ T7207] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.838455][ T7207] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  257.838489][ T7207]  </TASK>
[  257.838515][ T7207] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.166226][ T7207] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.507373][ T7211] loop1: detected capacity change from 0 to 32768
[  258.517146][ T7211] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.524723][ T7211] CPU: 0 UID: 0 PID: 7211 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  258.524749][ T7211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  258.524762][ T7211] Call Trace:
[  258.524770][ T7211]  <TASK>
[  258.524779][ T7211]  dump_stack_lvl+0x189/0x250
[  258.524811][ T7211]  ? __pfx_dump_stack_lvl+0x10/0x10
[  258.524836][ T7211]  ? __pfx__printk+0x10/0x10
[  258.524872][ T7211]  ? kernfs_path_from_node+0x250/0x290
[  258.524892][ T7211]  ? kernfs_path_from_node+0x2f/0x290
[  258.524917][ T7211]  sysfs_create_dir_ns+0x259/0x280
[  258.524940][ T7211]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.524962][ T7211]  ? do_raw_spin_unlock+0x122/0x240
[  258.524991][ T7211]  kobject_add_internal+0x59f/0xb40
[  258.525024][ T7211]  kobject_init_and_add+0x125/0x190
[  258.525056][ T7211]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.525082][ T7211]  ? __raw_spin_lock_init+0x45/0x100
[  258.525107][ T7211]  ? __init_swait_queue_head+0xa9/0x150
[  258.525135][ T7211]  gfs2_sys_fs_add+0x234/0x450
[  258.525181][ T7211]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.525219][ T7211]  ? is_dynamic_key+0xd6/0x1c0
[  258.525244][ T7211]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.525279][ T7211]  gfs2_fill_super+0x13c0/0x20d0
[  258.525316][ T7211]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.525343][ T7211]  ? sb_set_blocksize+0x104/0x180
[  258.525367][ T7211]  ? setup_bdev_super+0x4c1/0x5b0
[  258.525392][ T7211]  get_tree_bdev_flags+0x40e/0x4d0
[  258.525416][ T7211]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.525437][ T7211]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.525456][ T7211]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  258.525491][ T7211]  gfs2_get_tree+0x51/0x1e0
[  258.525522][ T7211]  vfs_get_tree+0x92/0x2b0
[  258.525548][ T7211]  do_new_mount+0x302/0x9e0
[  258.525569][ T7211]  ? apparmor_capable+0x137/0x1b0
[  258.525599][ T7211]  ? __pfx_do_new_mount+0x10/0x10
[  258.525623][ T7211]  ? ns_capable+0x8a/0xf0
[  258.525642][ T7211]  ? kmem_cache_free+0x19b/0x690
[  258.525677][ T7211]  __se_sys_mount+0x313/0x410
[  258.525707][ T7211]  ? __pfx___se_sys_mount+0x10/0x10
[  258.525737][ T7211]  ? do_syscall_64+0xbe/0xfa0
[  258.525759][ T7211]  ? __x64_sys_mount+0x20/0xc0
[  258.525786][ T7211]  do_syscall_64+0xfa/0xfa0
[  258.525808][ T7211]  ? lockdep_hardirqs_on+0x9c/0x150
[  258.525830][ T7211]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.525850][ T7211]  ? clear_bhb_loop+0x60/0xb0
[  258.525873][ T7211]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.525890][ T7211] RIP: 0033:0x7efd5379038a
[  258.525907][ T7211] 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
[  258.525924][ T7211] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.525944][ T7211] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  258.525960][ T7211] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  258.525973][ T7211] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  258.525985][ T7211] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  258.525998][ T7211] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  258.526030][ T7211]  </TASK>
[  258.526056][ T7211] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.853094][ T7211] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.183259][ T7215] loop1: detected capacity change from 0 to 32768
[  259.203295][ T7215] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.211319][ T7215] CPU: 1 UID: 0 PID: 7215 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  259.211345][ T7215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  259.211357][ T7215] Call Trace:
[  259.211366][ T7215]  <TASK>
[  259.211374][ T7215]  dump_stack_lvl+0x189/0x250
[  259.211405][ T7215]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.211429][ T7215]  ? __pfx__printk+0x10/0x10
[  259.211472][ T7215]  ? kernfs_path_from_node+0x250/0x290
[  259.211492][ T7215]  ? kernfs_path_from_node+0x2f/0x290
[  259.211516][ T7215]  sysfs_create_dir_ns+0x259/0x280
[  259.211538][ T7215]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.211560][ T7215]  ? do_raw_spin_unlock+0x122/0x240
[  259.211588][ T7215]  kobject_add_internal+0x59f/0xb40
[  259.211623][ T7215]  kobject_init_and_add+0x125/0x190
[  259.211654][ T7215]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.211681][ T7215]  ? __raw_spin_lock_init+0x45/0x100
[  259.211707][ T7215]  ? __init_swait_queue_head+0xa9/0x150
[  259.211735][ T7215]  gfs2_sys_fs_add+0x234/0x450
[  259.211764][ T7215]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.211798][ T7215]  ? is_dynamic_key+0xd6/0x1c0
[  259.211825][ T7215]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.211866][ T7215]  gfs2_fill_super+0x13c0/0x20d0
[  259.211920][ T7215]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.211946][ T7215]  ? sb_set_blocksize+0x104/0x180
[  259.211971][ T7215]  ? setup_bdev_super+0x4c1/0x5b0
[  259.211998][ T7215]  get_tree_bdev_flags+0x40e/0x4d0
[  259.212021][ T7215]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.212042][ T7215]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.212062][ T7215]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.212101][ T7215]  gfs2_get_tree+0x51/0x1e0
[  259.212125][ T7215]  vfs_get_tree+0x92/0x2b0
[  259.212150][ T7215]  do_new_mount+0x302/0x9e0
[  259.212173][ T7215]  ? apparmor_capable+0x137/0x1b0
[  259.212205][ T7215]  ? __pfx_do_new_mount+0x10/0x10
[  259.212230][ T7215]  ? ns_capable+0x8a/0xf0
[  259.212251][ T7215]  ? kmem_cache_free+0x19b/0x690
[  259.212287][ T7215]  __se_sys_mount+0x313/0x410
[  259.212316][ T7215]  ? __pfx___se_sys_mount+0x10/0x10
[  259.212346][ T7215]  ? do_syscall_64+0xbe/0xfa0
[  259.212368][ T7215]  ? __x64_sys_mount+0x20/0xc0
[  259.212396][ T7215]  do_syscall_64+0xfa/0xfa0
[  259.212419][ T7215]  ? lockdep_hardirqs_on+0x9c/0x150
[  259.212450][ T7215]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.212471][ T7215]  ? clear_bhb_loop+0x60/0xb0
[  259.212493][ T7215]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.212519][ T7215] RIP: 0033:0x7efd5379038a
[  259.212536][ T7215] 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
[  259.212554][ T7215] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.212575][ T7215] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  259.212590][ T7215] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  259.212604][ T7215] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  259.212617][ T7215] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.212629][ T7215] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  259.212662][ T7215]  </TASK>
[  259.212687][ T7215] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.539806][ T7215] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.873903][ T7219] loop1: detected capacity change from 0 to 32768
[  259.888198][ T7219] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.895766][ T7219] CPU: 1 UID: 0 PID: 7219 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  259.895793][ T7219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  259.895806][ T7219] Call Trace:
[  259.895814][ T7219]  <TASK>
[  259.895823][ T7219]  dump_stack_lvl+0x189/0x250
[  259.895856][ T7219]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.895881][ T7219]  ? __pfx__printk+0x10/0x10
[  259.895916][ T7219]  ? kernfs_path_from_node+0x250/0x290
[  259.895935][ T7219]  ? kernfs_path_from_node+0x2f/0x290
[  259.895957][ T7219]  sysfs_create_dir_ns+0x259/0x280
[  259.895979][ T7219]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.895999][ T7219]  ? do_raw_spin_unlock+0x122/0x240
[  259.896026][ T7219]  kobject_add_internal+0x59f/0xb40
[  259.896060][ T7219]  kobject_init_and_add+0x125/0x190
[  259.896091][ T7219]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.896116][ T7219]  ? __raw_spin_lock_init+0x45/0x100
[  259.896150][ T7219]  ? __init_swait_queue_head+0xa9/0x150
[  259.896176][ T7219]  gfs2_sys_fs_add+0x234/0x450
[  259.896206][ T7219]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.896240][ T7219]  ? is_dynamic_key+0xd6/0x1c0
[  259.896272][ T7219]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.896310][ T7219]  gfs2_fill_super+0x13c0/0x20d0
[  259.896348][ T7219]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.896372][ T7219]  ? sb_set_blocksize+0x104/0x180
[  259.896396][ T7219]  ? setup_bdev_super+0x4c1/0x5b0
[  259.896423][ T7219]  get_tree_bdev_flags+0x40e/0x4d0
[  259.896446][ T7219]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.896469][ T7219]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.896491][ T7219]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.896531][ T7219]  gfs2_get_tree+0x51/0x1e0
[  259.896556][ T7219]  vfs_get_tree+0x92/0x2b0
[  259.896581][ T7219]  do_new_mount+0x302/0x9e0
[  259.896603][ T7219]  ? apparmor_capable+0x137/0x1b0
[  259.896636][ T7219]  ? __pfx_do_new_mount+0x10/0x10
[  259.896660][ T7219]  ? ns_capable+0x8a/0xf0
[  259.896681][ T7219]  ? kmem_cache_free+0x19b/0x690
[  259.896714][ T7219]  __se_sys_mount+0x313/0x410
[  259.896746][ T7219]  ? __pfx___se_sys_mount+0x10/0x10
[  259.896775][ T7219]  ? do_syscall_64+0xbe/0xfa0
[  259.896796][ T7219]  ? __x64_sys_mount+0x20/0xc0
[  259.896823][ T7219]  do_syscall_64+0xfa/0xfa0
[  259.896844][ T7219]  ? lockdep_hardirqs_on+0x9c/0x150
[  259.896866][ T7219]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.896885][ T7219]  ? clear_bhb_loop+0x60/0xb0
[  259.896909][ T7219]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.896927][ T7219] RIP: 0033:0x7efd5379038a
[  259.896945][ T7219] 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
[  259.896963][ T7219] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.896984][ T7219] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  259.896999][ T7219] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  259.897013][ T7219] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  259.897026][ T7219] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.897040][ T7219] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  259.897074][ T7219]  </TASK>
[  259.897103][ T7219] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.223809][ T7219] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.548175][ T7223] loop1: detected capacity change from 0 to 32768
[  260.563139][ T7223] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.571019][ T7223] CPU: 1 UID: 0 PID: 7223 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  260.571045][ T7223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  260.571057][ T7223] Call Trace:
[  260.571065][ T7223]  <TASK>
[  260.571073][ T7223]  dump_stack_lvl+0x189/0x250
[  260.571104][ T7223]  ? __pfx_dump_stack_lvl+0x10/0x10
[  260.571128][ T7223]  ? __pfx__printk+0x10/0x10
[  260.571161][ T7223]  ? kernfs_path_from_node+0x250/0x290
[  260.571180][ T7223]  ? kernfs_path_from_node+0x2f/0x290
[  260.571203][ T7223]  sysfs_create_dir_ns+0x259/0x280
[  260.571225][ T7223]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  260.571247][ T7223]  ? do_raw_spin_unlock+0x122/0x240
[  260.571276][ T7223]  kobject_add_internal+0x59f/0xb40
[  260.571311][ T7223]  kobject_init_and_add+0x125/0x190
[  260.571353][ T7223]  ? __pfx_kobject_init_and_add+0x10/0x10
[  260.571380][ T7223]  ? __raw_spin_lock_init+0x45/0x100
[  260.571406][ T7223]  ? __init_swait_queue_head+0xa9/0x150
[  260.571433][ T7223]  gfs2_sys_fs_add+0x234/0x450
[  260.571462][ T7223]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  260.571496][ T7223]  ? is_dynamic_key+0xd6/0x1c0
[  260.571523][ T7223]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  260.571564][ T7223]  gfs2_fill_super+0x13c0/0x20d0
[  260.571603][ T7223]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.571629][ T7223]  ? sb_set_blocksize+0x104/0x180
[  260.571654][ T7223]  ? setup_bdev_super+0x4c1/0x5b0
[  260.571681][ T7223]  get_tree_bdev_flags+0x40e/0x4d0
[  260.571702][ T7223]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.571725][ T7223]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  260.571745][ T7223]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  260.571782][ T7223]  gfs2_get_tree+0x51/0x1e0
[  260.571807][ T7223]  vfs_get_tree+0x92/0x2b0
[  260.571832][ T7223]  do_new_mount+0x302/0x9e0
[  260.571856][ T7223]  ? apparmor_capable+0x137/0x1b0
[  260.571887][ T7223]  ? __pfx_do_new_mount+0x10/0x10
[  260.571911][ T7223]  ? ns_capable+0x8a/0xf0
[  260.571933][ T7223]  ? kmem_cache_free+0x19b/0x690
[  260.571969][ T7223]  __se_sys_mount+0x313/0x410
[  260.572000][ T7223]  ? __pfx___se_sys_mount+0x10/0x10
[  260.572027][ T7223]  ? do_syscall_64+0xbe/0xfa0
[  260.572048][ T7223]  ? __x64_sys_mount+0x20/0xc0
[  260.572075][ T7223]  do_syscall_64+0xfa/0xfa0
[  260.572095][ T7223]  ? lockdep_hardirqs_on+0x9c/0x150
[  260.572117][ T7223]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.572137][ T7223]  ? clear_bhb_loop+0x60/0xb0
[  260.572162][ T7223]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.572182][ T7223] RIP: 0033:0x7efd5379038a
[  260.572200][ T7223] 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
[  260.572219][ T7223] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.572241][ T7223] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  260.572257][ T7223] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  260.572270][ T7223] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  260.572285][ T7223] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  260.572297][ T7223] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  260.572338][ T7223]  </TASK>
[  260.572365][ T7223] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.903261][ T7223] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:46:55 executed programs: 163
[  261.231630][ T7227] loop1: detected capacity change from 0 to 32768
[  261.251863][ T7227] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.259364][ T7227] CPU: 0 UID: 0 PID: 7227 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  261.259389][ T7227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  261.259400][ T7227] Call Trace:
[  261.259410][ T7227]  <TASK>
[  261.259418][ T7227]  dump_stack_lvl+0x189/0x250
[  261.259450][ T7227]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.259475][ T7227]  ? __pfx__printk+0x10/0x10
[  261.259510][ T7227]  ? kernfs_path_from_node+0x250/0x290
[  261.259530][ T7227]  ? kernfs_path_from_node+0x2f/0x290
[  261.259554][ T7227]  sysfs_create_dir_ns+0x259/0x280
[  261.259578][ T7227]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.259600][ T7227]  ? do_raw_spin_unlock+0x122/0x240
[  261.259629][ T7227]  kobject_add_internal+0x59f/0xb40
[  261.259665][ T7227]  kobject_init_and_add+0x125/0x190
[  261.259698][ T7227]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.259726][ T7227]  ? __raw_spin_lock_init+0x45/0x100
[  261.259752][ T7227]  ? __init_swait_queue_head+0xa9/0x150
[  261.259780][ T7227]  gfs2_sys_fs_add+0x234/0x450
[  261.259811][ T7227]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.259846][ T7227]  ? is_dynamic_key+0xd6/0x1c0
[  261.259873][ T7227]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.259912][ T7227]  gfs2_fill_super+0x13c0/0x20d0
[  261.259950][ T7227]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.259981][ T7227]  ? sb_set_blocksize+0x104/0x180
[  261.260006][ T7227]  ? setup_bdev_super+0x4c1/0x5b0
[  261.260034][ T7227]  get_tree_bdev_flags+0x40e/0x4d0
[  261.260058][ T7227]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.260080][ T7227]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.260102][ T7227]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.260141][ T7227]  gfs2_get_tree+0x51/0x1e0
[  261.260173][ T7227]  vfs_get_tree+0x92/0x2b0
[  261.260199][ T7227]  do_new_mount+0x302/0x9e0
[  261.260223][ T7227]  ? apparmor_capable+0x137/0x1b0
[  261.260262][ T7227]  ? __pfx_do_new_mount+0x10/0x10
[  261.260287][ T7227]  ? ns_capable+0x8a/0xf0
[  261.260309][ T7227]  ? kmem_cache_free+0x19b/0x690
[  261.260345][ T7227]  __se_sys_mount+0x313/0x410
[  261.260377][ T7227]  ? __pfx___se_sys_mount+0x10/0x10
[  261.260407][ T7227]  ? do_syscall_64+0xbe/0xfa0
[  261.260429][ T7227]  ? __x64_sys_mount+0x20/0xc0
[  261.260457][ T7227]  do_syscall_64+0xfa/0xfa0
[  261.260478][ T7227]  ? lockdep_hardirqs_on+0x9c/0x150
[  261.260501][ T7227]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.260520][ T7227]  ? clear_bhb_loop+0x60/0xb0
[  261.260544][ T7227]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.260563][ T7227] RIP: 0033:0x7efd5379038a
[  261.260581][ T7227] 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
[  261.260599][ T7227] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.260621][ T7227] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  261.260637][ T7227] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  261.260651][ T7227] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  261.260665][ T7227] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.260679][ T7227] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  261.260711][ T7227]  </TASK>
[  261.260761][ T7227] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.589510][ T7227] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.916249][ T7231] loop1: detected capacity change from 0 to 32768
[  261.927400][ T7231] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.936093][ T7231] CPU: 0 UID: 0 PID: 7231 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  261.936117][ T7231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  261.936129][ T7231] Call Trace:
[  261.936136][ T7231]  <TASK>
[  261.936145][ T7231]  dump_stack_lvl+0x189/0x250
[  261.936178][ T7231]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.936203][ T7231]  ? __pfx__printk+0x10/0x10
[  261.936237][ T7231]  ? kernfs_path_from_node+0x250/0x290
[  261.936257][ T7231]  ? kernfs_path_from_node+0x2f/0x290
[  261.936280][ T7231]  sysfs_create_dir_ns+0x259/0x280
[  261.936300][ T7231]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.936320][ T7231]  ? do_raw_spin_unlock+0x122/0x240
[  261.936348][ T7231]  kobject_add_internal+0x59f/0xb40
[  261.936382][ T7231]  kobject_init_and_add+0x125/0x190
[  261.936410][ T7231]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.936436][ T7231]  ? __raw_spin_lock_init+0x45/0x100
[  261.936460][ T7231]  ? __init_swait_queue_head+0xa9/0x150
[  261.936486][ T7231]  gfs2_sys_fs_add+0x234/0x450
[  261.936515][ T7231]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.936545][ T7231]  ? is_dynamic_key+0xd6/0x1c0
[  261.936571][ T7231]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.936607][ T7231]  gfs2_fill_super+0x13c0/0x20d0
[  261.936643][ T7231]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.936669][ T7231]  ? sb_set_blocksize+0x104/0x180
[  261.936694][ T7231]  ? setup_bdev_super+0x4c1/0x5b0
[  261.936719][ T7231]  get_tree_bdev_flags+0x40e/0x4d0
[  261.936740][ T7231]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.936760][ T7231]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.936781][ T7231]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.936819][ T7231]  gfs2_get_tree+0x51/0x1e0
[  261.936844][ T7231]  vfs_get_tree+0x92/0x2b0
[  261.936870][ T7231]  do_new_mount+0x302/0x9e0
[  261.936893][ T7231]  ? apparmor_capable+0x137/0x1b0
[  261.936926][ T7231]  ? __pfx_do_new_mount+0x10/0x10
[  261.936958][ T7231]  ? ns_capable+0x8a/0xf0
[  261.936979][ T7231]  ? kmem_cache_free+0x19b/0x690
[  261.937013][ T7231]  __se_sys_mount+0x313/0x410
[  261.937044][ T7231]  ? __pfx___se_sys_mount+0x10/0x10
[  261.937071][ T7231]  ? do_syscall_64+0xbe/0xfa0
[  261.937091][ T7231]  ? __x64_sys_mount+0x20/0xc0
[  261.937119][ T7231]  do_syscall_64+0xfa/0xfa0
[  261.937139][ T7231]  ? lockdep_hardirqs_on+0x9c/0x150
[  261.937166][ T7231]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.937186][ T7231]  ? clear_bhb_loop+0x60/0xb0
[  261.937208][ T7231]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.937227][ T7231] RIP: 0033:0x7efd5379038a
[  261.937245][ T7231] 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
[  261.937262][ T7231] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.937282][ T7231] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  261.937297][ T7231] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  261.937312][ T7231] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  261.937326][ T7231] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.937339][ T7231] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  261.937369][ T7231]  </TASK>
[  261.937448][ T7231] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.264360][ T7231] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.601064][ T7235] loop1: detected capacity change from 0 to 32768
[  262.612267][ T7235] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.621236][ T7235] CPU: 1 UID: 0 PID: 7235 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  262.621264][ T7235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  262.621276][ T7235] Call Trace:
[  262.621284][ T7235]  <TASK>
[  262.621293][ T7235]  dump_stack_lvl+0x189/0x250
[  262.621326][ T7235]  ? __pfx_dump_stack_lvl+0x10/0x10
[  262.621350][ T7235]  ? __pfx__printk+0x10/0x10
[  262.621383][ T7235]  ? kernfs_path_from_node+0x250/0x290
[  262.621403][ T7235]  ? kernfs_path_from_node+0x2f/0x290
[  262.621427][ T7235]  sysfs_create_dir_ns+0x259/0x280
[  262.621450][ T7235]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.621472][ T7235]  ? do_raw_spin_unlock+0x122/0x240
[  262.621501][ T7235]  kobject_add_internal+0x59f/0xb40
[  262.621538][ T7235]  kobject_init_and_add+0x125/0x190
[  262.621570][ T7235]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.621598][ T7235]  ? __raw_spin_lock_init+0x45/0x100
[  262.621624][ T7235]  ? __init_swait_queue_head+0xa9/0x150
[  262.621652][ T7235]  gfs2_sys_fs_add+0x234/0x450
[  262.621684][ T7235]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.621719][ T7235]  ? is_dynamic_key+0xd6/0x1c0
[  262.621746][ T7235]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.621786][ T7235]  gfs2_fill_super+0x13c0/0x20d0
[  262.621821][ T7235]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.621846][ T7235]  ? sb_set_blocksize+0x104/0x180
[  262.621870][ T7235]  ? setup_bdev_super+0x4c1/0x5b0
[  262.621896][ T7235]  get_tree_bdev_flags+0x40e/0x4d0
[  262.621919][ T7235]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.621941][ T7235]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.621963][ T7235]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  262.621998][ T7235]  gfs2_get_tree+0x51/0x1e0
[  262.622021][ T7235]  vfs_get_tree+0x92/0x2b0
[  262.622045][ T7235]  do_new_mount+0x302/0x9e0
[  262.622073][ T7235]  ? apparmor_capable+0x137/0x1b0
[  262.622105][ T7235]  ? __pfx_do_new_mount+0x10/0x10
[  262.622134][ T7235]  ? ns_capable+0x8a/0xf0
[  262.622154][ T7235]  ? kmem_cache_free+0x19b/0x690
[  262.622189][ T7235]  __se_sys_mount+0x313/0x410
[  262.622220][ T7235]  ? __pfx___se_sys_mount+0x10/0x10
[  262.622249][ T7235]  ? do_syscall_64+0xbe/0xfa0
[  262.622270][ T7235]  ? __x64_sys_mount+0x20/0xc0
[  262.622296][ T7235]  do_syscall_64+0xfa/0xfa0
[  262.622318][ T7235]  ? lockdep_hardirqs_on+0x9c/0x150
[  262.622341][ T7235]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.622360][ T7235]  ? clear_bhb_loop+0x60/0xb0
[  262.622385][ T7235]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.622403][ T7235] RIP: 0033:0x7efd5379038a
[  262.622422][ T7235] 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
[  262.622439][ T7235] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.622461][ T7235] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  262.622477][ T7235] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  262.622491][ T7235] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  262.622503][ T7235] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  262.622515][ T7235] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  262.622544][ T7235]  </TASK>
[  262.622568][ T7235] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.948276][ T7235] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.283625][ T7239] loop1: detected capacity change from 0 to 32768
[  263.298113][ T7239] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.306102][ T7239] CPU: 1 UID: 0 PID: 7239 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  263.306128][ T7239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  263.306141][ T7239] Call Trace:
[  263.306149][ T7239]  <TASK>
[  263.306158][ T7239]  dump_stack_lvl+0x189/0x250
[  263.306191][ T7239]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.306216][ T7239]  ? __pfx__printk+0x10/0x10
[  263.306251][ T7239]  ? kernfs_path_from_node+0x250/0x290
[  263.306277][ T7239]  ? kernfs_path_from_node+0x2f/0x290
[  263.306302][ T7239]  sysfs_create_dir_ns+0x259/0x280
[  263.306324][ T7239]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.306353][ T7239]  ? do_raw_spin_unlock+0x122/0x240
[  263.306382][ T7239]  kobject_add_internal+0x59f/0xb40
[  263.306419][ T7239]  kobject_init_and_add+0x125/0x190
[  263.306451][ T7239]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.306479][ T7239]  ? __raw_spin_lock_init+0x45/0x100
[  263.306505][ T7239]  ? __init_swait_queue_head+0xa9/0x150
[  263.306534][ T7239]  gfs2_sys_fs_add+0x234/0x450
[  263.306565][ T7239]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.306599][ T7239]  ? is_dynamic_key+0xd6/0x1c0
[  263.306626][ T7239]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.306665][ T7239]  gfs2_fill_super+0x13c0/0x20d0
[  263.306704][ T7239]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.306730][ T7239]  ? sb_set_blocksize+0x104/0x180
[  263.306756][ T7239]  ? setup_bdev_super+0x4c1/0x5b0
[  263.306784][ T7239]  get_tree_bdev_flags+0x40e/0x4d0
[  263.306808][ T7239]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.306830][ T7239]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.306858][ T7239]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.306905][ T7239]  gfs2_get_tree+0x51/0x1e0
[  263.306930][ T7239]  vfs_get_tree+0x92/0x2b0
[  263.306956][ T7239]  do_new_mount+0x302/0x9e0
[  263.306979][ T7239]  ? apparmor_capable+0x137/0x1b0
[  263.307017][ T7239]  ? __pfx_do_new_mount+0x10/0x10
[  263.307042][ T7239]  ? ns_capable+0x8a/0xf0
[  263.307063][ T7239]  ? kmem_cache_free+0x19b/0x690
[  263.307098][ T7239]  __se_sys_mount+0x313/0x410
[  263.307129][ T7239]  ? __pfx___se_sys_mount+0x10/0x10
[  263.307162][ T7239]  ? do_syscall_64+0xbe/0xfa0
[  263.307184][ T7239]  ? __x64_sys_mount+0x20/0xc0
[  263.307212][ T7239]  do_syscall_64+0xfa/0xfa0
[  263.307233][ T7239]  ? lockdep_hardirqs_on+0x9c/0x150
[  263.307256][ T7239]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.307275][ T7239]  ? clear_bhb_loop+0x60/0xb0
[  263.307299][ T7239]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.307318][ T7239] RIP: 0033:0x7efd5379038a
[  263.307336][ T7239] 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
[  263.307354][ T7239] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.307376][ T7239] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  263.307391][ T7239] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  263.307406][ T7239] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  263.307420][ T7239] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  263.307433][ T7239] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  263.307466][ T7239]  </TASK>
[  263.307492][ T7239] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.633806][ T7239] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.952338][ T7243] loop1: detected capacity change from 0 to 32768
[  263.967081][ T7243] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.974584][ T7243] CPU: 0 UID: 0 PID: 7243 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  263.974612][ T7243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  263.974624][ T7243] Call Trace:
[  263.974632][ T7243]  <TASK>
[  263.974641][ T7243]  dump_stack_lvl+0x189/0x250
[  263.974675][ T7243]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.974700][ T7243]  ? __pfx__printk+0x10/0x10
[  263.974735][ T7243]  ? kernfs_path_from_node+0x250/0x290
[  263.974765][ T7243]  ? kernfs_path_from_node+0x2f/0x290
[  263.974789][ T7243]  sysfs_create_dir_ns+0x259/0x280
[  263.974811][ T7243]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.974832][ T7243]  ? do_raw_spin_unlock+0x122/0x240
[  263.974860][ T7243]  kobject_add_internal+0x59f/0xb40
[  263.974903][ T7243]  kobject_init_and_add+0x125/0x190
[  263.974936][ T7243]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.974964][ T7243]  ? __raw_spin_lock_init+0x45/0x100
[  263.974990][ T7243]  ? __init_swait_queue_head+0xa9/0x150
[  263.975016][ T7243]  gfs2_sys_fs_add+0x234/0x450
[  263.975047][ T7243]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.975081][ T7243]  ? is_dynamic_key+0xd6/0x1c0
[  263.975115][ T7243]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.975152][ T7243]  gfs2_fill_super+0x13c0/0x20d0
[  263.975190][ T7243]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.975217][ T7243]  ? sb_set_blocksize+0x104/0x180
[  263.975245][ T7243]  ? setup_bdev_super+0x4c1/0x5b0
[  263.975273][ T7243]  get_tree_bdev_flags+0x40e/0x4d0
[  263.975298][ T7243]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.975320][ T7243]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.975341][ T7243]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.975379][ T7243]  gfs2_get_tree+0x51/0x1e0
[  263.975403][ T7243]  vfs_get_tree+0x92/0x2b0
[  263.975428][ T7243]  do_new_mount+0x302/0x9e0
[  263.975450][ T7243]  ? apparmor_capable+0x137/0x1b0
[  263.975490][ T7243]  ? __pfx_do_new_mount+0x10/0x10
[  263.975515][ T7243]  ? ns_capable+0x8a/0xf0
[  263.975535][ T7243]  ? kmem_cache_free+0x19b/0x690
[  263.975570][ T7243]  __se_sys_mount+0x313/0x410
[  263.975601][ T7243]  ? __pfx___se_sys_mount+0x10/0x10
[  263.975629][ T7243]  ? do_syscall_64+0xbe/0xfa0
[  263.975651][ T7243]  ? __x64_sys_mount+0x20/0xc0
[  263.975678][ T7243]  do_syscall_64+0xfa/0xfa0
[  263.975700][ T7243]  ? lockdep_hardirqs_on+0x9c/0x150
[  263.975721][ T7243]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.975740][ T7243]  ? clear_bhb_loop+0x60/0xb0
[  263.975774][ T7243]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.975794][ T7243] RIP: 0033:0x7efd5379038a
[  263.975813][ T7243] 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
[  263.975832][ T7243] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.975855][ T7243] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  263.975871][ T7243] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  263.975886][ T7243] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  263.975899][ T7243] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  263.975912][ T7243] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  263.975944][ T7243]  </TASK>
[  264.289067][ T7243] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.303335][ T7243] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.647213][ T7247] loop1: detected capacity change from 0 to 32768
[  264.657983][ T7247] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.665979][ T7247] CPU: 1 UID: 0 PID: 7247 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  264.666004][ T7247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  264.666015][ T7247] Call Trace:
[  264.666023][ T7247]  <TASK>
[  264.666032][ T7247]  dump_stack_lvl+0x189/0x250
[  264.666061][ T7247]  ? __pfx_dump_stack_lvl+0x10/0x10
[  264.666084][ T7247]  ? __pfx__printk+0x10/0x10
[  264.666116][ T7247]  ? kernfs_path_from_node+0x250/0x290
[  264.666136][ T7247]  ? kernfs_path_from_node+0x2f/0x290
[  264.666159][ T7247]  sysfs_create_dir_ns+0x259/0x280
[  264.666182][ T7247]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.666204][ T7247]  ? do_raw_spin_unlock+0x122/0x240
[  264.666233][ T7247]  kobject_add_internal+0x59f/0xb40
[  264.666269][ T7247]  kobject_init_and_add+0x125/0x190
[  264.666301][ T7247]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.666328][ T7247]  ? __raw_spin_lock_init+0x45/0x100
[  264.666354][ T7247]  ? __init_swait_queue_head+0xa9/0x150
[  264.666379][ T7247]  gfs2_sys_fs_add+0x234/0x450
[  264.666409][ T7247]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.666444][ T7247]  ? is_dynamic_key+0xd6/0x1c0
[  264.666472][ T7247]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.666512][ T7247]  gfs2_fill_super+0x13c0/0x20d0
[  264.666550][ T7247]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.666576][ T7247]  ? sb_set_blocksize+0x104/0x180
[  264.666601][ T7247]  ? setup_bdev_super+0x4c1/0x5b0
[  264.666627][ T7247]  get_tree_bdev_flags+0x40e/0x4d0
[  264.666650][ T7247]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.666671][ T7247]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.666692][ T7247]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.666731][ T7247]  gfs2_get_tree+0x51/0x1e0
[  264.666755][ T7247]  vfs_get_tree+0x92/0x2b0
[  264.666791][ T7247]  do_new_mount+0x302/0x9e0
[  264.666815][ T7247]  ? apparmor_capable+0x137/0x1b0
[  264.666847][ T7247]  ? __pfx_do_new_mount+0x10/0x10
[  264.666872][ T7247]  ? ns_capable+0x8a/0xf0
[  264.666894][ T7247]  ? kmem_cache_free+0x19b/0x690
[  264.666928][ T7247]  __se_sys_mount+0x313/0x410
[  264.666959][ T7247]  ? __pfx___se_sys_mount+0x10/0x10
[  264.666989][ T7247]  ? do_syscall_64+0xbe/0xfa0
[  264.667011][ T7247]  ? __x64_sys_mount+0x20/0xc0
[  264.667039][ T7247]  do_syscall_64+0xfa/0xfa0
[  264.667061][ T7247]  ? lockdep_hardirqs_on+0x9c/0x150
[  264.667084][ T7247]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.667103][ T7247]  ? clear_bhb_loop+0x60/0xb0
[  264.667127][ T7247]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.667145][ T7247] RIP: 0033:0x7efd5379038a
[  264.667163][ T7247] 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
[  264.667181][ T7247] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.667201][ T7247] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  264.667216][ T7247] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  264.667230][ T7247] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  264.667244][ T7247] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  264.667258][ T7247] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  264.667289][ T7247]  </TASK>
[  264.667323][ T7247] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.992468][ T7247] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.329280][ T7251] loop1: detected capacity change from 0 to 32768
[  265.342581][ T7251] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.350835][ T7251] CPU: 1 UID: 0 PID: 7251 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  265.350862][ T7251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  265.350873][ T7251] Call Trace:
[  265.350881][ T7251]  <TASK>
[  265.350889][ T7251]  dump_stack_lvl+0x189/0x250
[  265.350921][ T7251]  ? __pfx_dump_stack_lvl+0x10/0x10
[  265.350945][ T7251]  ? __pfx__printk+0x10/0x10
[  265.350980][ T7251]  ? kernfs_path_from_node+0x250/0x290
[  265.351001][ T7251]  ? kernfs_path_from_node+0x2f/0x290
[  265.351026][ T7251]  sysfs_create_dir_ns+0x259/0x280
[  265.351050][ T7251]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.351072][ T7251]  ? do_raw_spin_unlock+0x122/0x240
[  265.351101][ T7251]  kobject_add_internal+0x59f/0xb40
[  265.351136][ T7251]  kobject_init_and_add+0x125/0x190
[  265.351168][ T7251]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.351196][ T7251]  ? __raw_spin_lock_init+0x45/0x100
[  265.351222][ T7251]  ? __init_swait_queue_head+0xa9/0x150
[  265.351248][ T7251]  gfs2_sys_fs_add+0x234/0x450
[  265.351279][ T7251]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.351315][ T7251]  ? is_dynamic_key+0xd6/0x1c0
[  265.351343][ T7251]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.351383][ T7251]  gfs2_fill_super+0x13c0/0x20d0
[  265.351420][ T7251]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.351446][ T7251]  ? sb_set_blocksize+0x104/0x180
[  265.351470][ T7251]  ? setup_bdev_super+0x4c1/0x5b0
[  265.351497][ T7251]  get_tree_bdev_flags+0x40e/0x4d0
[  265.351519][ T7251]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.351540][ T7251]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.351560][ T7251]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  265.351598][ T7251]  gfs2_get_tree+0x51/0x1e0
[  265.351633][ T7251]  vfs_get_tree+0x92/0x2b0
[  265.351659][ T7251]  do_new_mount+0x302/0x9e0
[  265.351682][ T7251]  ? apparmor_capable+0x137/0x1b0
[  265.351714][ T7251]  ? __pfx_do_new_mount+0x10/0x10
[  265.351739][ T7251]  ? ns_capable+0x8a/0xf0
[  265.351760][ T7251]  ? kmem_cache_free+0x19b/0x690
[  265.351794][ T7251]  __se_sys_mount+0x313/0x410
[  265.351824][ T7251]  ? __pfx___se_sys_mount+0x10/0x10
[  265.351854][ T7251]  ? do_syscall_64+0xbe/0xfa0
[  265.351876][ T7251]  ? __x64_sys_mount+0x20/0xc0
[  265.351905][ T7251]  do_syscall_64+0xfa/0xfa0
[  265.351927][ T7251]  ? lockdep_hardirqs_on+0x9c/0x150
[  265.351957][ T7251]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.351976][ T7251]  ? clear_bhb_loop+0x60/0xb0
[  265.352000][ T7251]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.352018][ T7251] RIP: 0033:0x7efd5379038a
[  265.352037][ T7251] 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
[  265.352053][ T7251] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.352075][ T7251] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  265.352089][ T7251] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  265.352103][ T7251] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  265.352115][ T7251] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  265.352128][ T7251] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  265.352161][ T7251]  </TASK>
[  265.352187][ T7251] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.679226][ T7251] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.126076][ T7255] loop1: detected capacity change from 0 to 32768
[  266.157536][ T7255] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.175067][ T7255] CPU: 0 UID: 0 PID: 7255 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  266.175096][ T7255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  266.175109][ T7255] Call Trace:
[  266.175117][ T7255]  <TASK>
[  266.175127][ T7255]  dump_stack_lvl+0x189/0x250
[  266.175160][ T7255]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.175185][ T7255]  ? __pfx__printk+0x10/0x10
[  266.175219][ T7255]  ? kernfs_path_from_node+0x250/0x290
[  266.175239][ T7255]  ? kernfs_path_from_node+0x2f/0x290
[  266.175264][ T7255]  sysfs_create_dir_ns+0x259/0x280
[  266.175287][ T7255]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.175308][ T7255]  ? do_raw_spin_unlock+0x122/0x240
[  266.175338][ T7255]  kobject_add_internal+0x59f/0xb40
[  266.175374][ T7255]  kobject_init_and_add+0x125/0x190
[  266.175407][ T7255]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.175435][ T7255]  ? __raw_spin_lock_init+0x45/0x100
[  266.175461][ T7255]  ? __init_swait_queue_head+0xa9/0x150
[  266.175488][ T7255]  gfs2_sys_fs_add+0x234/0x450
[  266.175520][ T7255]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.175554][ T7255]  ? is_dynamic_key+0xd6/0x1c0
[  266.175590][ T7255]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.175629][ T7255]  gfs2_fill_super+0x13c0/0x20d0
[  266.175668][ T7255]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.175695][ T7255]  ? sb_set_blocksize+0x104/0x180
[  266.175721][ T7255]  ? setup_bdev_super+0x4c1/0x5b0
[  266.175748][ T7255]  get_tree_bdev_flags+0x40e/0x4d0
[  266.175768][ T7255]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.175791][ T7255]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.175813][ T7255]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.175853][ T7255]  gfs2_get_tree+0x51/0x1e0
[  266.175879][ T7255]  vfs_get_tree+0x92/0x2b0
[  266.175905][ T7255]  do_new_mount+0x302/0x9e0
[  266.175929][ T7255]  ? apparmor_capable+0x137/0x1b0
[  266.175960][ T7255]  ? __pfx_do_new_mount+0x10/0x10
[  266.175983][ T7255]  ? ns_capable+0x8a/0xf0
[  266.176004][ T7255]  ? kmem_cache_free+0x19b/0x690
[  266.176039][ T7255]  __se_sys_mount+0x313/0x410
[  266.176069][ T7255]  ? __pfx___se_sys_mount+0x10/0x10
[  266.176097][ T7255]  ? do_syscall_64+0xbe/0xfa0
[  266.176117][ T7255]  ? __x64_sys_mount+0x20/0xc0
[  266.176142][ T7255]  do_syscall_64+0xfa/0xfa0
[  266.176162][ T7255]  ? lockdep_hardirqs_on+0x9c/0x150
[  266.176183][ T7255]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.176202][ T7255]  ? clear_bhb_loop+0x60/0xb0
[  266.176226][ T7255]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.176244][ T7255] RIP: 0033:0x7efd5379038a
[  266.176262][ T7255] 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
[  266.176279][ T7255] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.176300][ T7255] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  266.176315][ T7255] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  266.176330][ T7255] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  266.176343][ T7255] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  266.176357][ T7255] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  266.176389][ T7255]  </TASK>
[  266.176415][ T7255] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.503802][ T7255] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:47:00 executed programs: 171
[  266.845377][ T7259] loop1: detected capacity change from 0 to 32768
[  266.869810][ T7259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.877331][ T7259] CPU: 0 UID: 0 PID: 7259 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  266.877359][ T7259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  266.877372][ T7259] Call Trace:
[  266.877380][ T7259]  <TASK>
[  266.877388][ T7259]  dump_stack_lvl+0x189/0x250
[  266.877421][ T7259]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.877445][ T7259]  ? __pfx__printk+0x10/0x10
[  266.877481][ T7259]  ? kernfs_path_from_node+0x250/0x290
[  266.877500][ T7259]  ? kernfs_path_from_node+0x2f/0x290
[  266.877525][ T7259]  sysfs_create_dir_ns+0x259/0x280
[  266.877547][ T7259]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.877569][ T7259]  ? do_raw_spin_unlock+0x122/0x240
[  266.877598][ T7259]  kobject_add_internal+0x59f/0xb40
[  266.877635][ T7259]  kobject_init_and_add+0x125/0x190
[  266.877667][ T7259]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.877695][ T7259]  ? __raw_spin_lock_init+0x45/0x100
[  266.877721][ T7259]  ? __init_swait_queue_head+0xa9/0x150
[  266.877749][ T7259]  gfs2_sys_fs_add+0x234/0x450
[  266.877780][ T7259]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.877823][ T7259]  ? is_dynamic_key+0xd6/0x1c0
[  266.877851][ T7259]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.877890][ T7259]  gfs2_fill_super+0x13c0/0x20d0
[  266.877929][ T7259]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.877956][ T7259]  ? sb_set_blocksize+0x104/0x180
[  266.877982][ T7259]  ? setup_bdev_super+0x4c1/0x5b0
[  266.878009][ T7259]  get_tree_bdev_flags+0x40e/0x4d0
[  266.878033][ T7259]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.878056][ T7259]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.878078][ T7259]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.878116][ T7259]  gfs2_get_tree+0x51/0x1e0
[  266.878142][ T7259]  vfs_get_tree+0x92/0x2b0
[  266.878168][ T7259]  do_new_mount+0x302/0x9e0
[  266.878192][ T7259]  ? apparmor_capable+0x137/0x1b0
[  266.878225][ T7259]  ? __pfx_do_new_mount+0x10/0x10
[  266.878251][ T7259]  ? ns_capable+0x8a/0xf0
[  266.878272][ T7259]  ? kmem_cache_free+0x19b/0x690
[  266.878309][ T7259]  __se_sys_mount+0x313/0x410
[  266.878341][ T7259]  ? __pfx___se_sys_mount+0x10/0x10
[  266.878371][ T7259]  ? do_syscall_64+0xbe/0xfa0
[  266.878392][ T7259]  ? __x64_sys_mount+0x20/0xc0
[  266.878421][ T7259]  do_syscall_64+0xfa/0xfa0
[  266.878442][ T7259]  ? lockdep_hardirqs_on+0x9c/0x150
[  266.878465][ T7259]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.878485][ T7259]  ? clear_bhb_loop+0x60/0xb0
[  266.878509][ T7259]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.878528][ T7259] RIP: 0033:0x7efd5379038a
[  266.878546][ T7259] 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
[  266.878564][ T7259] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.878586][ T7259] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  266.878602][ T7259] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  266.878616][ T7259] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  266.878630][ T7259] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  266.878644][ T7259] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  266.878677][ T7259]  </TASK>
[  266.879015][ T7259] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.206862][ T7259] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.542109][ T7263] loop1: detected capacity change from 0 to 32768
[  267.561780][ T7263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.570624][ T7263] CPU: 1 UID: 0 PID: 7263 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  267.570648][ T7263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  267.570661][ T7263] Call Trace:
[  267.570668][ T7263]  <TASK>
[  267.570677][ T7263]  dump_stack_lvl+0x189/0x250
[  267.570709][ T7263]  ? __pfx_dump_stack_lvl+0x10/0x10
[  267.570734][ T7263]  ? __pfx__printk+0x10/0x10
[  267.570777][ T7263]  ? kernfs_path_from_node+0x250/0x290
[  267.570797][ T7263]  ? kernfs_path_from_node+0x2f/0x290
[  267.570820][ T7263]  sysfs_create_dir_ns+0x259/0x280
[  267.570844][ T7263]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.570865][ T7263]  ? do_raw_spin_unlock+0x122/0x240
[  267.570894][ T7263]  kobject_add_internal+0x59f/0xb40
[  267.570928][ T7263]  kobject_init_and_add+0x125/0x190
[  267.570960][ T7263]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.570989][ T7263]  ? __raw_spin_lock_init+0x45/0x100
[  267.571016][ T7263]  ? __init_swait_queue_head+0xa9/0x150
[  267.571044][ T7263]  gfs2_sys_fs_add+0x234/0x450
[  267.571076][ T7263]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.571109][ T7263]  ? is_dynamic_key+0xd6/0x1c0
[  267.571136][ T7263]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.571173][ T7263]  gfs2_fill_super+0x13c0/0x20d0
[  267.571210][ T7263]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.571235][ T7263]  ? sb_set_blocksize+0x104/0x180
[  267.571262][ T7263]  ? setup_bdev_super+0x4c1/0x5b0
[  267.571288][ T7263]  get_tree_bdev_flags+0x40e/0x4d0
[  267.571312][ T7263]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.571333][ T7263]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.571355][ T7263]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  267.571393][ T7263]  gfs2_get_tree+0x51/0x1e0
[  267.571419][ T7263]  vfs_get_tree+0x92/0x2b0
[  267.571444][ T7263]  do_new_mount+0x302/0x9e0
[  267.571466][ T7263]  ? apparmor_capable+0x137/0x1b0
[  267.571497][ T7263]  ? __pfx_do_new_mount+0x10/0x10
[  267.571522][ T7263]  ? ns_capable+0x8a/0xf0
[  267.571544][ T7263]  ? kmem_cache_free+0x19b/0x690
[  267.571582][ T7263]  __se_sys_mount+0x313/0x410
[  267.571614][ T7263]  ? __pfx___se_sys_mount+0x10/0x10
[  267.571644][ T7263]  ? do_syscall_64+0xbe/0xfa0
[  267.571665][ T7263]  ? __x64_sys_mount+0x20/0xc0
[  267.571692][ T7263]  do_syscall_64+0xfa/0xfa0
[  267.571713][ T7263]  ? lockdep_hardirqs_on+0x9c/0x150
[  267.571735][ T7263]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.571762][ T7263]  ? clear_bhb_loop+0x60/0xb0
[  267.571785][ T7263]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.571804][ T7263] RIP: 0033:0x7efd5379038a
[  267.571822][ T7263] 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
[  267.571839][ T7263] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.571860][ T7263] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  267.571876][ T7263] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  267.571890][ T7263] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  267.571904][ T7263] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  267.571917][ T7263] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  267.571949][ T7263]  </TASK>
[  267.571975][ T7263] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.897890][ T7263] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.236187][ T7267] loop1: detected capacity change from 0 to 32768
[  268.260718][ T7267] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.268283][ T7267] CPU: 1 UID: 0 PID: 7267 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  268.268311][ T7267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  268.268324][ T7267] Call Trace:
[  268.268332][ T7267]  <TASK>
[  268.268342][ T7267]  dump_stack_lvl+0x189/0x250
[  268.268375][ T7267]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.268398][ T7267]  ? __pfx__printk+0x10/0x10
[  268.268432][ T7267]  ? kernfs_path_from_node+0x250/0x290
[  268.268451][ T7267]  ? kernfs_path_from_node+0x2f/0x290
[  268.268474][ T7267]  sysfs_create_dir_ns+0x259/0x280
[  268.268496][ T7267]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.268515][ T7267]  ? do_raw_spin_unlock+0x122/0x240
[  268.268542][ T7267]  kobject_add_internal+0x59f/0xb40
[  268.268577][ T7267]  kobject_init_and_add+0x125/0x190
[  268.268618][ T7267]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.268644][ T7267]  ? __raw_spin_lock_init+0x45/0x100
[  268.268669][ T7267]  ? __init_swait_queue_head+0xa9/0x150
[  268.268696][ T7267]  gfs2_sys_fs_add+0x234/0x450
[  268.268726][ T7267]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.268759][ T7267]  ? is_dynamic_key+0xd6/0x1c0
[  268.268786][ T7267]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.268824][ T7267]  gfs2_fill_super+0x13c0/0x20d0
[  268.268863][ T7267]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.268888][ T7267]  ? sb_set_blocksize+0x104/0x180
[  268.268913][ T7267]  ? setup_bdev_super+0x4c1/0x5b0
[  268.268937][ T7267]  get_tree_bdev_flags+0x40e/0x4d0
[  268.268961][ T7267]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.268985][ T7267]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.269007][ T7267]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.269046][ T7267]  gfs2_get_tree+0x51/0x1e0
[  268.269072][ T7267]  vfs_get_tree+0x92/0x2b0
[  268.269096][ T7267]  do_new_mount+0x302/0x9e0
[  268.269119][ T7267]  ? apparmor_capable+0x137/0x1b0
[  268.269151][ T7267]  ? __pfx_do_new_mount+0x10/0x10
[  268.269174][ T7267]  ? ns_capable+0x8a/0xf0
[  268.269194][ T7267]  ? kmem_cache_free+0x19b/0x690
[  268.269230][ T7267]  __se_sys_mount+0x313/0x410
[  268.269260][ T7267]  ? __pfx___se_sys_mount+0x10/0x10
[  268.269289][ T7267]  ? do_syscall_64+0xbe/0xfa0
[  268.269311][ T7267]  ? __x64_sys_mount+0x20/0xc0
[  268.269338][ T7267]  do_syscall_64+0xfa/0xfa0
[  268.269358][ T7267]  ? lockdep_hardirqs_on+0x9c/0x150
[  268.269381][ T7267]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.269401][ T7267]  ? clear_bhb_loop+0x60/0xb0
[  268.269424][ T7267]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.269441][ T7267] RIP: 0033:0x7efd5379038a
[  268.269460][ T7267] 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
[  268.269478][ T7267] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.269500][ T7267] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  268.269516][ T7267] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  268.269532][ T7267] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  268.269546][ T7267] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.269560][ T7267] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  268.269594][ T7267]  </TASK>
[  268.269630][ T7267] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.597954][ T7267] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.932361][ T7271] loop1: detected capacity change from 0 to 32768
[  268.953745][ T7271] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.962252][ T7271] CPU: 1 UID: 0 PID: 7271 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  268.962279][ T7271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  268.962291][ T7271] Call Trace:
[  268.962299][ T7271]  <TASK>
[  268.962319][ T7271]  dump_stack_lvl+0x189/0x250
[  268.962352][ T7271]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.962376][ T7271]  ? __pfx__printk+0x10/0x10
[  268.962416][ T7271]  ? kernfs_path_from_node+0x250/0x290
[  268.962435][ T7271]  ? kernfs_path_from_node+0x2f/0x290
[  268.962458][ T7271]  sysfs_create_dir_ns+0x259/0x280
[  268.962481][ T7271]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.962503][ T7271]  ? do_raw_spin_unlock+0x122/0x240
[  268.962532][ T7271]  kobject_add_internal+0x59f/0xb40
[  268.962568][ T7271]  kobject_init_and_add+0x125/0x190
[  268.962600][ T7271]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.962627][ T7271]  ? __raw_spin_lock_init+0x45/0x100
[  268.962651][ T7271]  ? __init_swait_queue_head+0xa9/0x150
[  268.962677][ T7271]  gfs2_sys_fs_add+0x234/0x450
[  268.962708][ T7271]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.962740][ T7271]  ? is_dynamic_key+0xd6/0x1c0
[  268.962766][ T7271]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.962801][ T7271]  gfs2_fill_super+0x13c0/0x20d0
[  268.962835][ T7271]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.962860][ T7271]  ? sb_set_blocksize+0x104/0x180
[  268.962885][ T7271]  ? setup_bdev_super+0x4c1/0x5b0
[  268.962911][ T7271]  get_tree_bdev_flags+0x40e/0x4d0
[  268.962934][ T7271]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.962954][ T7271]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.962982][ T7271]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.963021][ T7271]  gfs2_get_tree+0x51/0x1e0
[  268.963044][ T7271]  vfs_get_tree+0x92/0x2b0
[  268.963068][ T7271]  do_new_mount+0x302/0x9e0
[  268.963091][ T7271]  ? apparmor_capable+0x137/0x1b0
[  268.963126][ T7271]  ? __pfx_do_new_mount+0x10/0x10
[  268.963171][ T7271]  ? ns_capable+0x8a/0xf0
[  268.963192][ T7271]  ? kmem_cache_free+0x19b/0x690
[  268.963229][ T7271]  __se_sys_mount+0x313/0x410
[  268.963259][ T7271]  ? __pfx___se_sys_mount+0x10/0x10
[  268.963288][ T7271]  ? do_syscall_64+0xbe/0xfa0
[  268.963316][ T7271]  ? __x64_sys_mount+0x20/0xc0
[  268.963342][ T7271]  do_syscall_64+0xfa/0xfa0
[  268.963363][ T7271]  ? lockdep_hardirqs_on+0x9c/0x150
[  268.963384][ T7271]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.963409][ T7271]  ? clear_bhb_loop+0x60/0xb0
[  268.963433][ T7271]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.963452][ T7271] RIP: 0033:0x7efd5379038a
[  268.963470][ T7271] 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
[  268.963487][ T7271] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.963508][ T7271] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  268.963524][ T7271] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  268.963538][ T7271] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  268.963551][ T7271] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.963563][ T7271] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  268.963596][ T7271]  </TASK>
[  268.963664][ T7271] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.289431][ T7271] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.609315][ T7275] loop1: detected capacity change from 0 to 32768
[  269.623512][ T7275] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.631426][ T7275] CPU: 1 UID: 0 PID: 7275 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  269.631450][ T7275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  269.631463][ T7275] Call Trace:
[  269.631471][ T7275]  <TASK>
[  269.631481][ T7275]  dump_stack_lvl+0x189/0x250
[  269.631512][ T7275]  ? __pfx_dump_stack_lvl+0x10/0x10
[  269.631534][ T7275]  ? __pfx__printk+0x10/0x10
[  269.631568][ T7275]  ? kernfs_path_from_node+0x250/0x290
[  269.631589][ T7275]  ? kernfs_path_from_node+0x2f/0x290
[  269.631614][ T7275]  sysfs_create_dir_ns+0x259/0x280
[  269.631638][ T7275]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.631661][ T7275]  ? do_raw_spin_unlock+0x122/0x240
[  269.631687][ T7275]  kobject_add_internal+0x59f/0xb40
[  269.631720][ T7275]  kobject_init_and_add+0x125/0x190
[  269.631751][ T7275]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.631779][ T7275]  ? __raw_spin_lock_init+0x45/0x100
[  269.631804][ T7275]  ? __init_swait_queue_head+0xa9/0x150
[  269.631830][ T7275]  gfs2_sys_fs_add+0x234/0x450
[  269.631861][ T7275]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.631894][ T7275]  ? is_dynamic_key+0xd6/0x1c0
[  269.631920][ T7275]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.631958][ T7275]  gfs2_fill_super+0x13c0/0x20d0
[  269.631996][ T7275]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.632022][ T7275]  ? sb_set_blocksize+0x104/0x180
[  269.632046][ T7275]  ? setup_bdev_super+0x4c1/0x5b0
[  269.632073][ T7275]  get_tree_bdev_flags+0x40e/0x4d0
[  269.632097][ T7275]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.632119][ T7275]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.632141][ T7275]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  269.632178][ T7275]  gfs2_get_tree+0x51/0x1e0
[  269.632202][ T7275]  vfs_get_tree+0x92/0x2b0
[  269.632228][ T7275]  do_new_mount+0x302/0x9e0
[  269.632262][ T7275]  ? apparmor_capable+0x137/0x1b0
[  269.632296][ T7275]  ? __pfx_do_new_mount+0x10/0x10
[  269.632322][ T7275]  ? ns_capable+0x8a/0xf0
[  269.632343][ T7275]  ? kmem_cache_free+0x19b/0x690
[  269.632378][ T7275]  __se_sys_mount+0x313/0x410
[  269.632409][ T7275]  ? __pfx___se_sys_mount+0x10/0x10
[  269.632438][ T7275]  ? do_syscall_64+0xbe/0xfa0
[  269.632458][ T7275]  ? __x64_sys_mount+0x20/0xc0
[  269.632484][ T7275]  do_syscall_64+0xfa/0xfa0
[  269.632505][ T7275]  ? lockdep_hardirqs_on+0x9c/0x150
[  269.632528][ T7275]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.632547][ T7275]  ? clear_bhb_loop+0x60/0xb0
[  269.632571][ T7275]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.632589][ T7275] RIP: 0033:0x7efd5379038a
[  269.632607][ T7275] 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
[  269.632625][ T7275] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.632646][ T7275] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  269.632662][ T7275] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  269.632677][ T7275] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  269.632691][ T7275] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  269.632704][ T7275] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  269.632734][ T7275]  </TASK>
[  269.632762][ T7275] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.959890][ T7275] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.289008][ T7279] loop1: detected capacity change from 0 to 32768
[  270.299332][ T7279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.315035][ T7279] CPU: 1 UID: 0 PID: 7279 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  270.315062][ T7279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  270.315075][ T7279] Call Trace:
[  270.315082][ T7279]  <TASK>
[  270.315092][ T7279]  dump_stack_lvl+0x189/0x250
[  270.315123][ T7279]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.315147][ T7279]  ? __pfx__printk+0x10/0x10
[  270.315190][ T7279]  ? kernfs_path_from_node+0x250/0x290
[  270.315209][ T7279]  ? kernfs_path_from_node+0x2f/0x290
[  270.315233][ T7279]  sysfs_create_dir_ns+0x259/0x280
[  270.315256][ T7279]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.315276][ T7279]  ? do_raw_spin_unlock+0x122/0x240
[  270.315315][ T7279]  kobject_add_internal+0x59f/0xb40
[  270.315349][ T7279]  kobject_init_and_add+0x125/0x190
[  270.315381][ T7279]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.315408][ T7279]  ? __raw_spin_lock_init+0x45/0x100
[  270.315433][ T7279]  ? __init_swait_queue_head+0xa9/0x150
[  270.315462][ T7279]  gfs2_sys_fs_add+0x234/0x450
[  270.315493][ T7279]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.315528][ T7279]  ? is_dynamic_key+0xd6/0x1c0
[  270.315554][ T7279]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.315588][ T7279]  gfs2_fill_super+0x13c0/0x20d0
[  270.315623][ T7279]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.315648][ T7279]  ? sb_set_blocksize+0x104/0x180
[  270.315672][ T7279]  ? setup_bdev_super+0x4c1/0x5b0
[  270.315698][ T7279]  get_tree_bdev_flags+0x40e/0x4d0
[  270.315720][ T7279]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.315741][ T7279]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.315761][ T7279]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.315797][ T7279]  gfs2_get_tree+0x51/0x1e0
[  270.315821][ T7279]  vfs_get_tree+0x92/0x2b0
[  270.315846][ T7279]  do_new_mount+0x302/0x9e0
[  270.315869][ T7279]  ? apparmor_capable+0x137/0x1b0
[  270.315900][ T7279]  ? __pfx_do_new_mount+0x10/0x10
[  270.315924][ T7279]  ? ns_capable+0x8a/0xf0
[  270.315945][ T7279]  ? kmem_cache_free+0x19b/0x690
[  270.315979][ T7279]  __se_sys_mount+0x313/0x410
[  270.316010][ T7279]  ? __pfx___se_sys_mount+0x10/0x10
[  270.316038][ T7279]  ? do_syscall_64+0xbe/0xfa0
[  270.316059][ T7279]  ? __x64_sys_mount+0x20/0xc0
[  270.316086][ T7279]  do_syscall_64+0xfa/0xfa0
[  270.316105][ T7279]  ? lockdep_hardirqs_on+0x9c/0x150
[  270.316126][ T7279]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.316145][ T7279]  ? clear_bhb_loop+0x60/0xb0
[  270.316178][ T7279]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.316197][ T7279] RIP: 0033:0x7efd5379038a
[  270.316216][ T7279] 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
[  270.316235][ T7279] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.316257][ T7279] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  270.316273][ T7279] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  270.316289][ T7279] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  270.316303][ T7279] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  270.316315][ T7279] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  270.316353][ T7279]  </TASK>
[  270.316379][ T7279] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.642244][ T7279] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.963338][ T7283] loop1: detected capacity change from 0 to 32768
[  270.983934][ T7283] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.991563][ T7283] CPU: 0 UID: 0 PID: 7283 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  270.991590][ T7283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  270.991603][ T7283] Call Trace:
[  270.991611][ T7283]  <TASK>
[  270.991620][ T7283]  dump_stack_lvl+0x189/0x250
[  270.991653][ T7283]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.991678][ T7283]  ? __pfx__printk+0x10/0x10
[  270.991713][ T7283]  ? kernfs_path_from_node+0x250/0x290
[  270.991733][ T7283]  ? kernfs_path_from_node+0x2f/0x290
[  270.991757][ T7283]  sysfs_create_dir_ns+0x259/0x280
[  270.991780][ T7283]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.991803][ T7283]  ? do_raw_spin_unlock+0x122/0x240
[  270.991832][ T7283]  kobject_add_internal+0x59f/0xb40
[  270.991869][ T7283]  kobject_init_and_add+0x125/0x190
[  270.991902][ T7283]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.991931][ T7283]  ? __raw_spin_lock_init+0x45/0x100
[  270.991957][ T7283]  ? __init_swait_queue_head+0xa9/0x150
[  270.991985][ T7283]  gfs2_sys_fs_add+0x234/0x450
[  270.992015][ T7283]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.992047][ T7283]  ? is_dynamic_key+0xd6/0x1c0
[  270.992074][ T7283]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.992112][ T7283]  gfs2_fill_super+0x13c0/0x20d0
[  270.992149][ T7283]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.992175][ T7283]  ? sb_set_blocksize+0x104/0x180
[  270.992201][ T7283]  ? setup_bdev_super+0x4c1/0x5b0
[  270.992226][ T7283]  get_tree_bdev_flags+0x40e/0x4d0
[  270.992250][ T7283]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.992272][ T7283]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.992292][ T7283]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.992327][ T7283]  gfs2_get_tree+0x51/0x1e0
[  270.992351][ T7283]  vfs_get_tree+0x92/0x2b0
[  270.992377][ T7283]  do_new_mount+0x302/0x9e0
[  270.992400][ T7283]  ? apparmor_capable+0x137/0x1b0
[  270.992442][ T7283]  ? __pfx_do_new_mount+0x10/0x10
[  270.992467][ T7283]  ? ns_capable+0x8a/0xf0
[  270.992488][ T7283]  ? kmem_cache_free+0x19b/0x690
[  270.992524][ T7283]  __se_sys_mount+0x313/0x410
[  270.992556][ T7283]  ? __pfx___se_sys_mount+0x10/0x10
[  270.992585][ T7283]  ? do_syscall_64+0xbe/0xfa0
[  270.992606][ T7283]  ? __x64_sys_mount+0x20/0xc0
[  270.992634][ T7283]  do_syscall_64+0xfa/0xfa0
[  270.992656][ T7283]  ? lockdep_hardirqs_on+0x9c/0x150
[  270.992678][ T7283]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.992697][ T7283]  ? clear_bhb_loop+0x60/0xb0
[  270.992721][ T7283]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.992740][ T7283] RIP: 0033:0x7efd5379038a
[  270.992759][ T7283] 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
[  270.992777][ T7283] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.992799][ T7283] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  270.992815][ T7283] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  270.992830][ T7283] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  270.992845][ T7283] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  270.992858][ T7283] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  270.992891][ T7283]  </TASK>
[  270.992919][ T7283] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.325974][ T7283] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.655055][ T7287] loop1: detected capacity change from 0 to 32768
[  271.668789][ T7287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.676840][ T7287] CPU: 1 UID: 0 PID: 7287 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  271.676866][ T7287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  271.676878][ T7287] Call Trace:
[  271.676885][ T7287]  <TASK>
[  271.676895][ T7287]  dump_stack_lvl+0x189/0x250
[  271.676927][ T7287]  ? __pfx_dump_stack_lvl+0x10/0x10
[  271.676949][ T7287]  ? __pfx__printk+0x10/0x10
[  271.676981][ T7287]  ? kernfs_path_from_node+0x250/0x290
[  271.677001][ T7287]  ? kernfs_path_from_node+0x2f/0x290
[  271.677042][ T7287]  sysfs_create_dir_ns+0x259/0x280
[  271.677064][ T7287]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.677086][ T7287]  ? do_raw_spin_unlock+0x122/0x240
[  271.677116][ T7287]  kobject_add_internal+0x59f/0xb40
[  271.677150][ T7287]  kobject_init_and_add+0x125/0x190
[  271.677182][ T7287]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.677211][ T7287]  ? __raw_spin_lock_init+0x45/0x100
[  271.677238][ T7287]  ? __init_swait_queue_head+0xa9/0x150
[  271.677266][ T7287]  gfs2_sys_fs_add+0x234/0x450
[  271.677296][ T7287]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.677326][ T7287]  ? is_dynamic_key+0xd6/0x1c0
[  271.677352][ T7287]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.677389][ T7287]  gfs2_fill_super+0x13c0/0x20d0
[  271.677424][ T7287]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.677450][ T7287]  ? sb_set_blocksize+0x104/0x180
[  271.677473][ T7287]  ? setup_bdev_super+0x4c1/0x5b0
[  271.677499][ T7287]  get_tree_bdev_flags+0x40e/0x4d0
[  271.677523][ T7287]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.677550][ T7287]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.677571][ T7287]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.677608][ T7287]  gfs2_get_tree+0x51/0x1e0
[  271.677633][ T7287]  vfs_get_tree+0x92/0x2b0
[  271.677658][ T7287]  do_new_mount+0x302/0x9e0
[  271.677682][ T7287]  ? apparmor_capable+0x137/0x1b0
[  271.677715][ T7287]  ? __pfx_do_new_mount+0x10/0x10
[  271.677738][ T7287]  ? ns_capable+0x8a/0xf0
[  271.677757][ T7287]  ? kmem_cache_free+0x19b/0x690
[  271.677791][ T7287]  __se_sys_mount+0x313/0x410
[  271.677823][ T7287]  ? __pfx___se_sys_mount+0x10/0x10
[  271.677851][ T7287]  ? do_syscall_64+0xbe/0xfa0
[  271.677871][ T7287]  ? __x64_sys_mount+0x20/0xc0
[  271.677899][ T7287]  do_syscall_64+0xfa/0xfa0
[  271.677922][ T7287]  ? lockdep_hardirqs_on+0x9c/0x150
[  271.677945][ T7287]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.677964][ T7287]  ? clear_bhb_loop+0x60/0xb0
[  271.677989][ T7287]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.678008][ T7287] RIP: 0033:0x7efd5379038a
[  271.678033][ T7287] 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
[  271.678052][ T7287] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.678073][ T7287] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  271.678088][ T7287] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  271.678103][ T7287] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  271.678116][ T7287] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  271.678130][ T7287] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  271.678163][ T7287]  </TASK>
[  271.678188][ T7287] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.004820][ T7287] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:47:06 executed programs: 179
[  272.332051][ T7291] loop1: detected capacity change from 0 to 32768
[  272.352809][ T7291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.360875][ T7291] CPU: 0 UID: 0 PID: 7291 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  272.360904][ T7291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  272.360916][ T7291] Call Trace:
[  272.360924][ T7291]  <TASK>
[  272.360933][ T7291]  dump_stack_lvl+0x189/0x250
[  272.360965][ T7291]  ? __pfx_dump_stack_lvl+0x10/0x10
[  272.360987][ T7291]  ? __pfx__printk+0x10/0x10
[  272.361021][ T7291]  ? kernfs_path_from_node+0x250/0x290
[  272.361040][ T7291]  ? kernfs_path_from_node+0x2f/0x290
[  272.361063][ T7291]  sysfs_create_dir_ns+0x259/0x280
[  272.361085][ T7291]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.361108][ T7291]  ? do_raw_spin_unlock+0x122/0x240
[  272.361138][ T7291]  kobject_add_internal+0x59f/0xb40
[  272.361176][ T7291]  kobject_init_and_add+0x125/0x190
[  272.361210][ T7291]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.361298][ T7291]  ? __raw_spin_lock_init+0x45/0x100
[  272.361325][ T7291]  ? __init_swait_queue_head+0xa9/0x150
[  272.361350][ T7291]  gfs2_sys_fs_add+0x234/0x450
[  272.361381][ T7291]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.361412][ T7291]  ? is_dynamic_key+0xd6/0x1c0
[  272.361437][ T7291]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.361472][ T7291]  gfs2_fill_super+0x13c0/0x20d0
[  272.361508][ T7291]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.361533][ T7291]  ? sb_set_blocksize+0x104/0x180
[  272.361556][ T7291]  ? setup_bdev_super+0x4c1/0x5b0
[  272.361574][ T7291]  get_tree_bdev_flags+0x40e/0x4d0
[  272.361587][ T7291]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.361598][ T7291]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.361610][ T7291]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.361631][ T7291]  gfs2_get_tree+0x51/0x1e0
[  272.361645][ T7291]  vfs_get_tree+0x92/0x2b0
[  272.361658][ T7291]  do_new_mount+0x302/0x9e0
[  272.361671][ T7291]  ? apparmor_capable+0x137/0x1b0
[  272.361689][ T7291]  ? __pfx_do_new_mount+0x10/0x10
[  272.361703][ T7291]  ? ns_capable+0x8a/0xf0
[  272.361714][ T7291]  ? kmem_cache_free+0x19b/0x690
[  272.361734][ T7291]  __se_sys_mount+0x313/0x410
[  272.361751][ T7291]  ? __pfx___se_sys_mount+0x10/0x10
[  272.361767][ T7291]  ? do_syscall_64+0xbe/0xfa0
[  272.361779][ T7291]  ? __x64_sys_mount+0x20/0xc0
[  272.361794][ T7291]  do_syscall_64+0xfa/0xfa0
[  272.361812][ T7291]  ? lockdep_hardirqs_on+0x9c/0x150
[  272.361827][ T7291]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.361837][ T7291]  ? clear_bhb_loop+0x60/0xb0
[  272.361850][ T7291]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.361860][ T7291] RIP: 0033:0x7efd5379038a
[  272.361871][ T7291] 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
[  272.361881][ T7291] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.361894][ T7291] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  272.361902][ T7291] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  272.361910][ T7291] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  272.361917][ T7291] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  272.361924][ T7291] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  272.361941][ T7291]  </TASK>
[  272.362085][ T7291] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.689474][ T7291] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.026010][ T7295] loop1: detected capacity change from 0 to 32768
[  273.047609][ T7295] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.056139][ T7295] CPU: 1 UID: 0 PID: 7295 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  273.056175][ T7295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  273.056188][ T7295] Call Trace:
[  273.056196][ T7295]  <TASK>
[  273.056205][ T7295]  dump_stack_lvl+0x189/0x250
[  273.056237][ T7295]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.056262][ T7295]  ? __pfx__printk+0x10/0x10
[  273.056297][ T7295]  ? kernfs_path_from_node+0x250/0x290
[  273.056316][ T7295]  ? kernfs_path_from_node+0x2f/0x290
[  273.056341][ T7295]  sysfs_create_dir_ns+0x259/0x280
[  273.056364][ T7295]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.056385][ T7295]  ? do_raw_spin_unlock+0x122/0x240
[  273.056412][ T7295]  kobject_add_internal+0x59f/0xb40
[  273.056448][ T7295]  kobject_init_and_add+0x125/0x190
[  273.056480][ T7295]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.056508][ T7295]  ? __raw_spin_lock_init+0x45/0x100
[  273.056534][ T7295]  ? __init_swait_queue_head+0xa9/0x150
[  273.056562][ T7295]  gfs2_sys_fs_add+0x234/0x450
[  273.056593][ T7295]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.056625][ T7295]  ? is_dynamic_key+0xd6/0x1c0
[  273.056650][ T7295]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.056685][ T7295]  gfs2_fill_super+0x13c0/0x20d0
[  273.056719][ T7295]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.056745][ T7295]  ? sb_set_blocksize+0x104/0x180
[  273.056770][ T7295]  ? setup_bdev_super+0x4c1/0x5b0
[  273.056796][ T7295]  get_tree_bdev_flags+0x40e/0x4d0
[  273.056819][ T7295]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.056840][ T7295]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.056861][ T7295]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.056901][ T7295]  gfs2_get_tree+0x51/0x1e0
[  273.056924][ T7295]  vfs_get_tree+0x92/0x2b0
[  273.056947][ T7295]  do_new_mount+0x302/0x9e0
[  273.056969][ T7295]  ? apparmor_capable+0x137/0x1b0
[  273.057003][ T7295]  ? __pfx_do_new_mount+0x10/0x10
[  273.057029][ T7295]  ? ns_capable+0x8a/0xf0
[  273.057051][ T7295]  ? kmem_cache_free+0x19b/0x690
[  273.057088][ T7295]  __se_sys_mount+0x313/0x410
[  273.057119][ T7295]  ? __pfx___se_sys_mount+0x10/0x10
[  273.057148][ T7295]  ? do_syscall_64+0xbe/0xfa0
[  273.057177][ T7295]  ? __x64_sys_mount+0x20/0xc0
[  273.057205][ T7295]  do_syscall_64+0xfa/0xfa0
[  273.057226][ T7295]  ? lockdep_hardirqs_on+0x9c/0x150
[  273.057248][ T7295]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.057268][ T7295]  ? clear_bhb_loop+0x60/0xb0
[  273.057292][ T7295]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.057311][ T7295] RIP: 0033:0x7efd5379038a
[  273.057329][ T7295] 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
[  273.057348][ T7295] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.057370][ T7295] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  273.057387][ T7295] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  273.057402][ T7295] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  273.057416][ T7295] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.057430][ T7295] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  273.057462][ T7295]  </TASK>
[  273.057489][ T7295] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.077416][ T5877] Bluetooth: hci1: command 0x0406 tx timeout
[  273.393047][ T7295] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.720857][ T7299] loop1: detected capacity change from 0 to 32768
[  273.733309][ T7299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.741195][ T7299] CPU: 1 UID: 0 PID: 7299 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  273.741220][ T7299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  273.741232][ T7299] Call Trace:
[  273.741239][ T7299]  <TASK>
[  273.741248][ T7299]  dump_stack_lvl+0x189/0x250
[  273.741278][ T7299]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.741300][ T7299]  ? __pfx__printk+0x10/0x10
[  273.741331][ T7299]  ? kernfs_path_from_node+0x250/0x290
[  273.741349][ T7299]  ? kernfs_path_from_node+0x2f/0x290
[  273.741370][ T7299]  sysfs_create_dir_ns+0x259/0x280
[  273.741394][ T7299]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.741415][ T7299]  ? do_raw_spin_unlock+0x122/0x240
[  273.741445][ T7299]  kobject_add_internal+0x59f/0xb40
[  273.741479][ T7299]  kobject_init_and_add+0x125/0x190
[  273.741511][ T7299]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.741540][ T7299]  ? __raw_spin_lock_init+0x45/0x100
[  273.741567][ T7299]  ? __init_swait_queue_head+0xa9/0x150
[  273.741596][ T7299]  gfs2_sys_fs_add+0x234/0x450
[  273.741628][ T7299]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.741662][ T7299]  ? is_dynamic_key+0xd6/0x1c0
[  273.741688][ T7299]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.741727][ T7299]  gfs2_fill_super+0x13c0/0x20d0
[  273.741761][ T7299]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.741785][ T7299]  ? sb_set_blocksize+0x104/0x180
[  273.741809][ T7299]  ? setup_bdev_super+0x4c1/0x5b0
[  273.741836][ T7299]  get_tree_bdev_flags+0x40e/0x4d0
[  273.741858][ T7299]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.741889][ T7299]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.741909][ T7299]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.741945][ T7299]  gfs2_get_tree+0x51/0x1e0
[  273.741969][ T7299]  vfs_get_tree+0x92/0x2b0
[  273.741993][ T7299]  do_new_mount+0x302/0x9e0
[  273.742016][ T7299]  ? apparmor_capable+0x137/0x1b0
[  273.742048][ T7299]  ? __pfx_do_new_mount+0x10/0x10
[  273.742071][ T7299]  ? ns_capable+0x8a/0xf0
[  273.742092][ T7299]  ? kmem_cache_free+0x19b/0x690
[  273.742127][ T7299]  __se_sys_mount+0x313/0x410
[  273.742160][ T7299]  ? __pfx___se_sys_mount+0x10/0x10
[  273.742190][ T7299]  ? do_syscall_64+0xbe/0xfa0
[  273.742212][ T7299]  ? __x64_sys_mount+0x20/0xc0
[  273.742239][ T7299]  do_syscall_64+0xfa/0xfa0
[  273.742258][ T7299]  ? lockdep_hardirqs_on+0x9c/0x150
[  273.742280][ T7299]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.742298][ T7299]  ? clear_bhb_loop+0x60/0xb0
[  273.742320][ T7299]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.742340][ T7299] RIP: 0033:0x7efd5379038a
[  273.742359][ T7299] 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
[  273.742378][ T7299] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.742399][ T7299] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  273.742416][ T7299] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  273.742431][ T7299] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  273.742444][ T7299] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.742457][ T7299] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  273.742490][ T7299]  </TASK>
[  273.742516][ T7299] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.068651][ T7299] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.398939][ T7303] loop1: detected capacity change from 0 to 32768
[  274.419002][ T7303] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.426522][ T7303] CPU: 0 UID: 0 PID: 7303 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  274.426547][ T7303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  274.426559][ T7303] Call Trace:
[  274.426568][ T7303]  <TASK>
[  274.426577][ T7303]  dump_stack_lvl+0x189/0x250
[  274.426608][ T7303]  ? __pfx_dump_stack_lvl+0x10/0x10
[  274.426632][ T7303]  ? __pfx__printk+0x10/0x10
[  274.426665][ T7303]  ? kernfs_path_from_node+0x250/0x290
[  274.426684][ T7303]  ? kernfs_path_from_node+0x2f/0x290
[  274.426708][ T7303]  sysfs_create_dir_ns+0x259/0x280
[  274.426731][ T7303]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.426753][ T7303]  ? do_raw_spin_unlock+0x122/0x240
[  274.426782][ T7303]  kobject_add_internal+0x59f/0xb40
[  274.426817][ T7303]  kobject_init_and_add+0x125/0x190
[  274.426848][ T7303]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.426874][ T7303]  ? __raw_spin_lock_init+0x45/0x100
[  274.426901][ T7303]  ? __init_swait_queue_head+0xa9/0x150
[  274.426926][ T7303]  gfs2_sys_fs_add+0x234/0x450
[  274.426956][ T7303]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.426991][ T7303]  ? is_dynamic_key+0xd6/0x1c0
[  274.427019][ T7303]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.427059][ T7303]  gfs2_fill_super+0x13c0/0x20d0
[  274.427104][ T7303]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.427133][ T7303]  ? sb_set_blocksize+0x104/0x180
[  274.427159][ T7303]  ? setup_bdev_super+0x4c1/0x5b0
[  274.427187][ T7303]  get_tree_bdev_flags+0x40e/0x4d0
[  274.427210][ T7303]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.427232][ T7303]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.427253][ T7303]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.427292][ T7303]  gfs2_get_tree+0x51/0x1e0
[  274.427317][ T7303]  vfs_get_tree+0x92/0x2b0
[  274.427345][ T7303]  do_new_mount+0x302/0x9e0
[  274.427369][ T7303]  ? apparmor_capable+0x137/0x1b0
[  274.427404][ T7303]  ? __pfx_do_new_mount+0x10/0x10
[  274.427429][ T7303]  ? ns_capable+0x8a/0xf0
[  274.427451][ T7303]  ? kmem_cache_free+0x19b/0x690
[  274.427485][ T7303]  __se_sys_mount+0x313/0x410
[  274.427517][ T7303]  ? __pfx___se_sys_mount+0x10/0x10
[  274.427547][ T7303]  ? do_syscall_64+0xbe/0xfa0
[  274.427568][ T7303]  ? __x64_sys_mount+0x20/0xc0
[  274.427594][ T7303]  do_syscall_64+0xfa/0xfa0
[  274.427615][ T7303]  ? lockdep_hardirqs_on+0x9c/0x150
[  274.427638][ T7303]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.427659][ T7303]  ? clear_bhb_loop+0x60/0xb0
[  274.427683][ T7303]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.427703][ T7303] RIP: 0033:0x7efd5379038a
[  274.427722][ T7303] 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
[  274.427741][ T7303] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.427761][ T7303] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  274.427777][ T7303] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  274.427792][ T7303] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  274.427806][ T7303] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  274.427819][ T7303] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  274.427849][ T7303]  </TASK>
[  274.427900][ T7303] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.755586][ T7303] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.072686][ T7307] loop1: detected capacity change from 0 to 32768
[  275.100227][ T7307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.107809][ T7307] CPU: 1 UID: 0 PID: 7307 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  275.107838][ T7307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  275.107849][ T7307] Call Trace:
[  275.107857][ T7307]  <TASK>
[  275.107865][ T7307]  dump_stack_lvl+0x189/0x250
[  275.107896][ T7307]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.107920][ T7307]  ? __pfx__printk+0x10/0x10
[  275.107953][ T7307]  ? kernfs_path_from_node+0x250/0x290
[  275.107971][ T7307]  ? kernfs_path_from_node+0x2f/0x290
[  275.107990][ T7307]  sysfs_create_dir_ns+0x259/0x280
[  275.108012][ T7307]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.108034][ T7307]  ? do_raw_spin_unlock+0x122/0x240
[  275.108063][ T7307]  kobject_add_internal+0x59f/0xb40
[  275.108101][ T7307]  kobject_init_and_add+0x125/0x190
[  275.108133][ T7307]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.108160][ T7307]  ? __raw_spin_lock_init+0x45/0x100
[  275.108184][ T7307]  ? __init_swait_queue_head+0xa9/0x150
[  275.108211][ T7307]  gfs2_sys_fs_add+0x234/0x450
[  275.108241][ T7307]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.108274][ T7307]  ? is_dynamic_key+0xd6/0x1c0
[  275.108301][ T7307]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.108340][ T7307]  gfs2_fill_super+0x13c0/0x20d0
[  275.108376][ T7307]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.108402][ T7307]  ? sb_set_blocksize+0x104/0x180
[  275.108429][ T7307]  ? setup_bdev_super+0x4c1/0x5b0
[  275.108458][ T7307]  get_tree_bdev_flags+0x40e/0x4d0
[  275.108482][ T7307]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.108505][ T7307]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.108527][ T7307]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.108564][ T7307]  gfs2_get_tree+0x51/0x1e0
[  275.108589][ T7307]  vfs_get_tree+0x92/0x2b0
[  275.108615][ T7307]  do_new_mount+0x302/0x9e0
[  275.108638][ T7307]  ? apparmor_capable+0x137/0x1b0
[  275.108672][ T7307]  ? __pfx_do_new_mount+0x10/0x10
[  275.108695][ T7307]  ? ns_capable+0x8a/0xf0
[  275.108726][ T7307]  ? kmem_cache_free+0x19b/0x690
[  275.108759][ T7307]  __se_sys_mount+0x313/0x410
[  275.108792][ T7307]  ? __pfx___se_sys_mount+0x10/0x10
[  275.108823][ T7307]  ? do_syscall_64+0xbe/0xfa0
[  275.108845][ T7307]  ? __x64_sys_mount+0x20/0xc0
[  275.108874][ T7307]  do_syscall_64+0xfa/0xfa0
[  275.108894][ T7307]  ? lockdep_hardirqs_on+0x9c/0x150
[  275.108915][ T7307]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.108934][ T7307]  ? clear_bhb_loop+0x60/0xb0
[  275.108956][ T7307]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.108973][ T7307] RIP: 0033:0x7efd5379038a
[  275.108988][ T7307] 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
[  275.109005][ T7307] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.109025][ T7307] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  275.109038][ T7307] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  275.109057][ T7307] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  275.109069][ T7307] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.109081][ T7307] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  275.109111][ T7307]  </TASK>
[  275.109136][ T7307] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.435900][ T7307] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.761756][ T7311] loop1: detected capacity change from 0 to 32768
[  275.775753][ T7311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.783201][ T7311] CPU: 0 UID: 0 PID: 7311 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  275.783228][ T7311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  275.783240][ T7311] Call Trace:
[  275.783248][ T7311]  <TASK>
[  275.783257][ T7311]  dump_stack_lvl+0x189/0x250
[  275.783289][ T7311]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.783315][ T7311]  ? __pfx__printk+0x10/0x10
[  275.783351][ T7311]  ? kernfs_path_from_node+0x250/0x290
[  275.783372][ T7311]  ? kernfs_path_from_node+0x2f/0x290
[  275.783397][ T7311]  sysfs_create_dir_ns+0x259/0x280
[  275.783420][ T7311]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.783441][ T7311]  ? do_raw_spin_unlock+0x122/0x240
[  275.783470][ T7311]  kobject_add_internal+0x59f/0xb40
[  275.783504][ T7311]  kobject_init_and_add+0x125/0x190
[  275.783535][ T7311]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.783562][ T7311]  ? __raw_spin_lock_init+0x45/0x100
[  275.783587][ T7311]  ? __init_swait_queue_head+0xa9/0x150
[  275.783615][ T7311]  gfs2_sys_fs_add+0x234/0x450
[  275.783645][ T7311]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.783676][ T7311]  ? is_dynamic_key+0xd6/0x1c0
[  275.783701][ T7311]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.783739][ T7311]  gfs2_fill_super+0x13c0/0x20d0
[  275.783778][ T7311]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.783803][ T7311]  ? sb_set_blocksize+0x104/0x180
[  275.783829][ T7311]  ? setup_bdev_super+0x4c1/0x5b0
[  275.783856][ T7311]  get_tree_bdev_flags+0x40e/0x4d0
[  275.783880][ T7311]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.783904][ T7311]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.783935][ T7311]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.783974][ T7311]  gfs2_get_tree+0x51/0x1e0
[  275.783998][ T7311]  vfs_get_tree+0x92/0x2b0
[  275.784023][ T7311]  do_new_mount+0x302/0x9e0
[  275.784045][ T7311]  ? apparmor_capable+0x137/0x1b0
[  275.784075][ T7311]  ? __pfx_do_new_mount+0x10/0x10
[  275.784099][ T7311]  ? ns_capable+0x8a/0xf0
[  275.784120][ T7311]  ? kmem_cache_free+0x19b/0x690
[  275.784154][ T7311]  __se_sys_mount+0x313/0x410
[  275.784185][ T7311]  ? __pfx___se_sys_mount+0x10/0x10
[  275.784215][ T7311]  ? do_syscall_64+0xbe/0xfa0
[  275.784237][ T7311]  ? __x64_sys_mount+0x20/0xc0
[  275.784264][ T7311]  do_syscall_64+0xfa/0xfa0
[  275.784285][ T7311]  ? lockdep_hardirqs_on+0x9c/0x150
[  275.784308][ T7311]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.784328][ T7311]  ? clear_bhb_loop+0x60/0xb0
[  275.784351][ T7311]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.784369][ T7311] RIP: 0033:0x7efd5379038a
[  275.784387][ T7311] 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
[  275.784405][ T7311] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.784426][ T7311] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  275.784443][ T7311] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  275.784458][ T7311] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  275.784472][ T7311] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.784486][ T7311] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  275.784521][ T7311]  </TASK>
[  275.784549][ T7311] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.112223][ T7311] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.459892][ T7315] loop1: detected capacity change from 0 to 32768
[  276.474482][ T7315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.482314][ T7315] CPU: 0 UID: 0 PID: 7315 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  276.482339][ T7315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  276.482353][ T7315] Call Trace:
[  276.482362][ T7315]  <TASK>
[  276.482370][ T7315]  dump_stack_lvl+0x189/0x250
[  276.482404][ T7315]  ? __pfx_dump_stack_lvl+0x10/0x10
[  276.482428][ T7315]  ? __pfx__printk+0x10/0x10
[  276.482481][ T7315]  ? kernfs_path_from_node+0x250/0x290
[  276.482500][ T7315]  ? kernfs_path_from_node+0x2f/0x290
[  276.482523][ T7315]  sysfs_create_dir_ns+0x259/0x280
[  276.482545][ T7315]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.482564][ T7315]  ? do_raw_spin_unlock+0x122/0x240
[  276.482592][ T7315]  kobject_add_internal+0x59f/0xb40
[  276.482626][ T7315]  kobject_init_and_add+0x125/0x190
[  276.482654][ T7315]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.482680][ T7315]  ? __raw_spin_lock_init+0x45/0x100
[  276.482705][ T7315]  ? __init_swait_queue_head+0xa9/0x150
[  276.482731][ T7315]  gfs2_sys_fs_add+0x234/0x450
[  276.482762][ T7315]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.482796][ T7315]  ? is_dynamic_key+0xd6/0x1c0
[  276.482822][ T7315]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.482858][ T7315]  gfs2_fill_super+0x13c0/0x20d0
[  276.482905][ T7315]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.482932][ T7315]  ? sb_set_blocksize+0x104/0x180
[  276.482955][ T7315]  ? setup_bdev_super+0x4c1/0x5b0
[  276.482982][ T7315]  get_tree_bdev_flags+0x40e/0x4d0
[  276.483005][ T7315]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.483029][ T7315]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.483051][ T7315]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.483090][ T7315]  gfs2_get_tree+0x51/0x1e0
[  276.483115][ T7315]  vfs_get_tree+0x92/0x2b0
[  276.483140][ T7315]  do_new_mount+0x302/0x9e0
[  276.483162][ T7315]  ? apparmor_capable+0x137/0x1b0
[  276.483195][ T7315]  ? __pfx_do_new_mount+0x10/0x10
[  276.483219][ T7315]  ? ns_capable+0x8a/0xf0
[  276.483240][ T7315]  ? kmem_cache_free+0x19b/0x690
[  276.483273][ T7315]  __se_sys_mount+0x313/0x410
[  276.483304][ T7315]  ? __pfx___se_sys_mount+0x10/0x10
[  276.483334][ T7315]  ? do_syscall_64+0xbe/0xfa0
[  276.483355][ T7315]  ? __x64_sys_mount+0x20/0xc0
[  276.483383][ T7315]  do_syscall_64+0xfa/0xfa0
[  276.483404][ T7315]  ? lockdep_hardirqs_on+0x9c/0x150
[  276.483427][ T7315]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.483446][ T7315]  ? clear_bhb_loop+0x60/0xb0
[  276.483486][ T7315]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.483506][ T7315] RIP: 0033:0x7efd5379038a
[  276.483523][ T7315] 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
[  276.483552][ T7315] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.483573][ T7315] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  276.483589][ T7315] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  276.483604][ T7315] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  276.483619][ T7315] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  276.483633][ T7315] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  276.483666][ T7315]  </TASK>
[  276.483693][ T7315] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.811382][ T7315] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.140852][ T7319] loop1: detected capacity change from 0 to 32768
[  277.161971][ T7319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.169899][ T7319] CPU: 1 UID: 0 PID: 7319 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  277.169925][ T7319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  277.169938][ T7319] Call Trace:
[  277.169947][ T7319]  <TASK>
[  277.169956][ T7319]  dump_stack_lvl+0x189/0x250
[  277.169988][ T7319]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.170011][ T7319]  ? __pfx__printk+0x10/0x10
[  277.170043][ T7319]  ? kernfs_path_from_node+0x250/0x290
[  277.170063][ T7319]  ? kernfs_path_from_node+0x2f/0x290
[  277.170088][ T7319]  sysfs_create_dir_ns+0x259/0x280
[  277.170110][ T7319]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.170131][ T7319]  ? do_raw_spin_unlock+0x122/0x240
[  277.170159][ T7319]  kobject_add_internal+0x59f/0xb40
[  277.170195][ T7319]  kobject_init_and_add+0x125/0x190
[  277.170226][ T7319]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.170254][ T7319]  ? __raw_spin_lock_init+0x45/0x100
[  277.170280][ T7319]  ? __init_swait_queue_head+0xa9/0x150
[  277.170313][ T7319]  gfs2_sys_fs_add+0x234/0x450
[  277.170341][ T7319]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.170370][ T7319]  ? is_dynamic_key+0xd6/0x1c0
[  277.170395][ T7319]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.170433][ T7319]  gfs2_fill_super+0x13c0/0x20d0
[  277.170472][ T7319]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.170500][ T7319]  ? sb_set_blocksize+0x104/0x180
[  277.170535][ T7319]  ? setup_bdev_super+0x4c1/0x5b0
[  277.170563][ T7319]  get_tree_bdev_flags+0x40e/0x4d0
[  277.170585][ T7319]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.170607][ T7319]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.170628][ T7319]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.170664][ T7319]  gfs2_get_tree+0x51/0x1e0
[  277.170689][ T7319]  vfs_get_tree+0x92/0x2b0
[  277.170714][ T7319]  do_new_mount+0x302/0x9e0
[  277.170736][ T7319]  ? apparmor_capable+0x137/0x1b0
[  277.170769][ T7319]  ? __pfx_do_new_mount+0x10/0x10
[  277.170793][ T7319]  ? ns_capable+0x8a/0xf0
[  277.170813][ T7319]  ? kmem_cache_free+0x19b/0x690
[  277.170848][ T7319]  __se_sys_mount+0x313/0x410
[  277.170878][ T7319]  ? __pfx___se_sys_mount+0x10/0x10
[  277.170908][ T7319]  ? do_syscall_64+0xbe/0xfa0
[  277.170929][ T7319]  ? __x64_sys_mount+0x20/0xc0
[  277.170958][ T7319]  do_syscall_64+0xfa/0xfa0
[  277.170977][ T7319]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.170999][ T7319]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.171017][ T7319]  ? clear_bhb_loop+0x60/0xb0
[  277.171041][ T7319]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.171061][ T7319] RIP: 0033:0x7efd5379038a
[  277.171080][ T7319] 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
[  277.171099][ T7319] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.171121][ T7319] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  277.171137][ T7319] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  277.171153][ T7319] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  277.171166][ T7319] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  277.171179][ T7319] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  277.171210][ T7319]  </TASK>
[  277.171236][ T7319] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.497226][ T7319] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:47:11 executed programs: 187
[  277.823640][ T7323] loop1: detected capacity change from 0 to 32768
[  277.837153][ T7323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.845006][ T7323] CPU: 1 UID: 0 PID: 7323 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  277.845030][ T7323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  277.845041][ T7323] Call Trace:
[  277.845049][ T7323]  <TASK>
[  277.845058][ T7323]  dump_stack_lvl+0x189/0x250
[  277.845090][ T7323]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.845114][ T7323]  ? __pfx__printk+0x10/0x10
[  277.845149][ T7323]  ? kernfs_path_from_node+0x250/0x290
[  277.845169][ T7323]  ? kernfs_path_from_node+0x2f/0x290
[  277.845193][ T7323]  sysfs_create_dir_ns+0x259/0x280
[  277.845216][ T7323]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.845239][ T7323]  ? do_raw_spin_unlock+0x122/0x240
[  277.845268][ T7323]  kobject_add_internal+0x59f/0xb40
[  277.845304][ T7323]  kobject_init_and_add+0x125/0x190
[  277.845336][ T7323]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.845364][ T7323]  ? __raw_spin_lock_init+0x45/0x100
[  277.845390][ T7323]  ? __init_swait_queue_head+0xa9/0x150
[  277.845414][ T7323]  gfs2_sys_fs_add+0x234/0x450
[  277.845457][ T7323]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.845487][ T7323]  ? is_dynamic_key+0xd6/0x1c0
[  277.845510][ T7323]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.845542][ T7323]  gfs2_fill_super+0x13c0/0x20d0
[  277.845575][ T7323]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.845597][ T7323]  ? sb_set_blocksize+0x104/0x180
[  277.845619][ T7323]  ? setup_bdev_super+0x4c1/0x5b0
[  277.845644][ T7323]  get_tree_bdev_flags+0x40e/0x4d0
[  277.845664][ T7323]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.845684][ T7323]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.845702][ T7323]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.845735][ T7323]  gfs2_get_tree+0x51/0x1e0
[  277.845756][ T7323]  vfs_get_tree+0x92/0x2b0
[  277.845779][ T7323]  do_new_mount+0x302/0x9e0
[  277.845798][ T7323]  ? apparmor_capable+0x137/0x1b0
[  277.845833][ T7323]  ? __pfx_do_new_mount+0x10/0x10
[  277.845854][ T7323]  ? ns_capable+0x8a/0xf0
[  277.845873][ T7323]  ? kmem_cache_free+0x19b/0x690
[  277.845903][ T7323]  __se_sys_mount+0x313/0x410
[  277.845930][ T7323]  ? __pfx___se_sys_mount+0x10/0x10
[  277.845955][ T7323]  ? do_syscall_64+0xbe/0xfa0
[  277.845974][ T7323]  ? __x64_sys_mount+0x20/0xc0
[  277.845998][ T7323]  do_syscall_64+0xfa/0xfa0
[  277.846016][ T7323]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.846036][ T7323]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.846053][ T7323]  ? clear_bhb_loop+0x60/0xb0
[  277.846073][ T7323]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.846090][ T7323] RIP: 0033:0x7efd5379038a
[  277.846106][ T7323] 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
[  277.846122][ T7323] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.846141][ T7323] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  277.846154][ T7323] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  277.846167][ T7323] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  277.846179][ T7323] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  277.846190][ T7323] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  277.846218][ T7323]  </TASK>
[  277.846246][ T7323] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.173197][ T7323] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.499669][ T7327] loop1: detected capacity change from 0 to 32768
[  278.523990][ T7327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.531530][ T7327] CPU: 0 UID: 0 PID: 7327 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  278.531556][ T7327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  278.531567][ T7327] Call Trace:
[  278.531576][ T7327]  <TASK>
[  278.531584][ T7327]  dump_stack_lvl+0x189/0x250
[  278.531614][ T7327]  ? __pfx_dump_stack_lvl+0x10/0x10
[  278.531638][ T7327]  ? __pfx__printk+0x10/0x10
[  278.531679][ T7327]  ? kernfs_path_from_node+0x250/0x290
[  278.531698][ T7327]  ? kernfs_path_from_node+0x2f/0x290
[  278.531721][ T7327]  sysfs_create_dir_ns+0x259/0x280
[  278.531742][ T7327]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.531764][ T7327]  ? do_raw_spin_unlock+0x122/0x240
[  278.531792][ T7327]  kobject_add_internal+0x59f/0xb40
[  278.531827][ T7327]  kobject_init_and_add+0x125/0x190
[  278.531858][ T7327]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.531884][ T7327]  ? __raw_spin_lock_init+0x45/0x100
[  278.531909][ T7327]  ? __init_swait_queue_head+0xa9/0x150
[  278.531936][ T7327]  gfs2_sys_fs_add+0x234/0x450
[  278.531967][ T7327]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.531999][ T7327]  ? is_dynamic_key+0xd6/0x1c0
[  278.532025][ T7327]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.532065][ T7327]  gfs2_fill_super+0x13c0/0x20d0
[  278.532104][ T7327]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.532132][ T7327]  ? sb_set_blocksize+0x104/0x180
[  278.532157][ T7327]  ? setup_bdev_super+0x4c1/0x5b0
[  278.532184][ T7327]  get_tree_bdev_flags+0x40e/0x4d0
[  278.532207][ T7327]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.532228][ T7327]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.532248][ T7327]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.532285][ T7327]  gfs2_get_tree+0x51/0x1e0
[  278.532309][ T7327]  vfs_get_tree+0x92/0x2b0
[  278.532334][ T7327]  do_new_mount+0x302/0x9e0
[  278.532357][ T7327]  ? apparmor_capable+0x137/0x1b0
[  278.532390][ T7327]  ? __pfx_do_new_mount+0x10/0x10
[  278.532415][ T7327]  ? ns_capable+0x8a/0xf0
[  278.532435][ T7327]  ? kmem_cache_free+0x19b/0x690
[  278.532469][ T7327]  __se_sys_mount+0x313/0x410
[  278.532500][ T7327]  ? __pfx___se_sys_mount+0x10/0x10
[  278.532528][ T7327]  ? do_syscall_64+0xbe/0xfa0
[  278.532550][ T7327]  ? __x64_sys_mount+0x20/0xc0
[  278.532576][ T7327]  do_syscall_64+0xfa/0xfa0
[  278.532597][ T7327]  ? lockdep_hardirqs_on+0x9c/0x150
[  278.532620][ T7327]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.532641][ T7327]  ? clear_bhb_loop+0x60/0xb0
[  278.532672][ T7327]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.532692][ T7327] RIP: 0033:0x7efd5379038a
[  278.532710][ T7327] 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
[  278.532730][ T7327] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.532750][ T7327] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  278.532765][ T7327] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  278.532779][ T7327] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  278.532793][ T7327] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  278.532805][ T7327] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  278.532837][ T7327]  </TASK>
[  278.532947][ T7327] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.860093][ T7327] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.193838][ T7331] loop1: detected capacity change from 0 to 32768
[  279.206905][ T7331] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.214306][ T7331] CPU: 1 UID: 0 PID: 7331 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  279.214331][ T7331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  279.214344][ T7331] Call Trace:
[  279.214352][ T7331]  <TASK>
[  279.214361][ T7331]  dump_stack_lvl+0x189/0x250
[  279.214393][ T7331]  ? __pfx_dump_stack_lvl+0x10/0x10
[  279.214419][ T7331]  ? __pfx__printk+0x10/0x10
[  279.214451][ T7331]  ? kernfs_path_from_node+0x250/0x290
[  279.214470][ T7331]  ? kernfs_path_from_node+0x2f/0x290
[  279.214495][ T7331]  sysfs_create_dir_ns+0x259/0x280
[  279.214519][ T7331]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.214541][ T7331]  ? do_raw_spin_unlock+0x122/0x240
[  279.214570][ T7331]  kobject_add_internal+0x59f/0xb40
[  279.214614][ T7331]  kobject_init_and_add+0x125/0x190
[  279.214644][ T7331]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.214670][ T7331]  ? __raw_spin_lock_init+0x45/0x100
[  279.214695][ T7331]  ? __init_swait_queue_head+0xa9/0x150
[  279.214722][ T7331]  gfs2_sys_fs_add+0x234/0x450
[  279.214753][ T7331]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.214786][ T7331]  ? is_dynamic_key+0xd6/0x1c0
[  279.214810][ T7331]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.214847][ T7331]  gfs2_fill_super+0x13c0/0x20d0
[  279.214885][ T7331]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.214911][ T7331]  ? sb_set_blocksize+0x104/0x180
[  279.214936][ T7331]  ? setup_bdev_super+0x4c1/0x5b0
[  279.214963][ T7331]  get_tree_bdev_flags+0x40e/0x4d0
[  279.214987][ T7331]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.215016][ T7331]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.215038][ T7331]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.215077][ T7331]  gfs2_get_tree+0x51/0x1e0
[  279.215102][ T7331]  vfs_get_tree+0x92/0x2b0
[  279.215128][ T7331]  do_new_mount+0x302/0x9e0
[  279.215151][ T7331]  ? apparmor_capable+0x137/0x1b0
[  279.215184][ T7331]  ? __pfx_do_new_mount+0x10/0x10
[  279.215210][ T7331]  ? ns_capable+0x8a/0xf0
[  279.215232][ T7331]  ? kmem_cache_free+0x19b/0x690
[  279.215266][ T7331]  __se_sys_mount+0x313/0x410
[  279.215297][ T7331]  ? __pfx___se_sys_mount+0x10/0x10
[  279.215326][ T7331]  ? do_syscall_64+0xbe/0xfa0
[  279.215347][ T7331]  ? __x64_sys_mount+0x20/0xc0
[  279.215374][ T7331]  do_syscall_64+0xfa/0xfa0
[  279.215396][ T7331]  ? lockdep_hardirqs_on+0x9c/0x150
[  279.215418][ T7331]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.215438][ T7331]  ? clear_bhb_loop+0x60/0xb0
[  279.215462][ T7331]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.215481][ T7331] RIP: 0033:0x7efd5379038a
[  279.215499][ T7331] 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
[  279.215518][ T7331] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.215540][ T7331] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  279.215556][ T7331] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  279.215570][ T7331] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  279.215591][ T7331] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  279.215604][ T7331] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  279.215638][ T7331]  </TASK>
[  279.536591][ T7331] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.550688][ T7331] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.854445][ T7335] loop1: detected capacity change from 0 to 32768
[  279.865609][ T7335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.873006][ T7335] CPU: 0 UID: 0 PID: 7335 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  279.873030][ T7335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  279.873042][ T7335] Call Trace:
[  279.873049][ T7335]  <TASK>
[  279.873057][ T7335]  dump_stack_lvl+0x189/0x250
[  279.873085][ T7335]  ? __pfx_dump_stack_lvl+0x10/0x10
[  279.873106][ T7335]  ? __pfx__printk+0x10/0x10
[  279.873136][ T7335]  ? kernfs_path_from_node+0x250/0x290
[  279.873154][ T7335]  ? kernfs_path_from_node+0x2f/0x290
[  279.873174][ T7335]  sysfs_create_dir_ns+0x259/0x280
[  279.873194][ T7335]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.873212][ T7335]  ? do_raw_spin_unlock+0x122/0x240
[  279.873237][ T7335]  kobject_add_internal+0x59f/0xb40
[  279.873268][ T7335]  kobject_init_and_add+0x125/0x190
[  279.873295][ T7335]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.873318][ T7335]  ? __raw_spin_lock_init+0x45/0x100
[  279.873341][ T7335]  ? __init_swait_queue_head+0xa9/0x150
[  279.873370][ T7335]  gfs2_sys_fs_add+0x234/0x450
[  279.873396][ T7335]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.873426][ T7335]  ? is_dynamic_key+0xd6/0x1c0
[  279.873449][ T7335]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.873481][ T7335]  gfs2_fill_super+0x13c0/0x20d0
[  279.873513][ T7335]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.873535][ T7335]  ? sb_set_blocksize+0x104/0x180
[  279.873557][ T7335]  ? setup_bdev_super+0x4c1/0x5b0
[  279.873581][ T7335]  get_tree_bdev_flags+0x40e/0x4d0
[  279.873600][ T7335]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.873620][ T7335]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.873638][ T7335]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.873671][ T7335]  gfs2_get_tree+0x51/0x1e0
[  279.873692][ T7335]  vfs_get_tree+0x92/0x2b0
[  279.873714][ T7335]  do_new_mount+0x302/0x9e0
[  279.873734][ T7335]  ? apparmor_capable+0x137/0x1b0
[  279.873762][ T7335]  ? __pfx_do_new_mount+0x10/0x10
[  279.873784][ T7335]  ? ns_capable+0x8a/0xf0
[  279.873802][ T7335]  ? kmem_cache_free+0x19b/0x690
[  279.873831][ T7335]  __se_sys_mount+0x313/0x410
[  279.873858][ T7335]  ? __pfx___se_sys_mount+0x10/0x10
[  279.873883][ T7335]  ? do_syscall_64+0xbe/0xfa0
[  279.873901][ T7335]  ? __x64_sys_mount+0x20/0xc0
[  279.873925][ T7335]  do_syscall_64+0xfa/0xfa0
[  279.873943][ T7335]  ? lockdep_hardirqs_on+0x9c/0x150
[  279.873962][ T7335]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.873979][ T7335]  ? clear_bhb_loop+0x60/0xb0
[  279.874000][ T7335]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.874016][ T7335] RIP: 0033:0x7efd5379038a
[  279.874032][ T7335] 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
[  279.874048][ T7335] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.874066][ T7335] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  279.874080][ T7335] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  279.874093][ T7335] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  279.874104][ T7335] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  279.874116][ T7335] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  279.874143][ T7335]  </TASK>
[  279.874170][ T7335] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.202139][ T7335] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.542207][ T7339] loop1: detected capacity change from 0 to 32768
[  280.556905][ T7339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.564361][ T7339] CPU: 1 UID: 0 PID: 7339 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  280.564386][ T7339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  280.564398][ T7339] Call Trace:
[  280.564407][ T7339]  <TASK>
[  280.564415][ T7339]  dump_stack_lvl+0x189/0x250
[  280.564447][ T7339]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.564471][ T7339]  ? __pfx__printk+0x10/0x10
[  280.564505][ T7339]  ? kernfs_path_from_node+0x250/0x290
[  280.564525][ T7339]  ? kernfs_path_from_node+0x2f/0x290
[  280.564550][ T7339]  sysfs_create_dir_ns+0x259/0x280
[  280.564572][ T7339]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.564595][ T7339]  ? do_raw_spin_unlock+0x122/0x240
[  280.564622][ T7339]  kobject_add_internal+0x59f/0xb40
[  280.564655][ T7339]  kobject_init_and_add+0x125/0x190
[  280.564687][ T7339]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.564714][ T7339]  ? __raw_spin_lock_init+0x45/0x100
[  280.564738][ T7339]  ? __init_swait_queue_head+0xa9/0x150
[  280.564765][ T7339]  gfs2_sys_fs_add+0x234/0x450
[  280.564796][ T7339]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.564832][ T7339]  ? is_dynamic_key+0xd6/0x1c0
[  280.564860][ T7339]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.564900][ T7339]  gfs2_fill_super+0x13c0/0x20d0
[  280.564937][ T7339]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.564963][ T7339]  ? sb_set_blocksize+0x104/0x180
[  280.564989][ T7339]  ? setup_bdev_super+0x4c1/0x5b0
[  280.565016][ T7339]  get_tree_bdev_flags+0x40e/0x4d0
[  280.565040][ T7339]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.565062][ T7339]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.565084][ T7339]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.565120][ T7339]  gfs2_get_tree+0x51/0x1e0
[  280.565145][ T7339]  vfs_get_tree+0x92/0x2b0
[  280.565173][ T7339]  do_new_mount+0x302/0x9e0
[  280.565206][ T7339]  ? apparmor_capable+0x137/0x1b0
[  280.565240][ T7339]  ? __pfx_do_new_mount+0x10/0x10
[  280.565266][ T7339]  ? ns_capable+0x8a/0xf0
[  280.565287][ T7339]  ? kmem_cache_free+0x19b/0x690
[  280.565321][ T7339]  __se_sys_mount+0x313/0x410
[  280.565350][ T7339]  ? __pfx___se_sys_mount+0x10/0x10
[  280.565379][ T7339]  ? do_syscall_64+0xbe/0xfa0
[  280.565398][ T7339]  ? __x64_sys_mount+0x20/0xc0
[  280.565424][ T7339]  do_syscall_64+0xfa/0xfa0
[  280.565446][ T7339]  ? lockdep_hardirqs_on+0x9c/0x150
[  280.565468][ T7339]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.565487][ T7339]  ? clear_bhb_loop+0x60/0xb0
[  280.565509][ T7339]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.565528][ T7339] RIP: 0033:0x7efd5379038a
[  280.565546][ T7339] 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
[  280.565564][ T7339] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.565585][ T7339] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  280.565601][ T7339] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  280.565615][ T7339] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  280.565629][ T7339] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  280.565642][ T7339] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  280.565673][ T7339]  </TASK>
[  280.879892][ T7339] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.894108][ T7339] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.228603][ T7343] loop1: detected capacity change from 0 to 32768
[  281.239775][ T7343] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.255597][ T7343] CPU: 1 UID: 0 PID: 7343 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  281.255623][ T7343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  281.255636][ T7343] Call Trace:
[  281.255644][ T7343]  <TASK>
[  281.255653][ T7343]  dump_stack_lvl+0x189/0x250
[  281.255684][ T7343]  ? __pfx_dump_stack_lvl+0x10/0x10
[  281.255708][ T7343]  ? __pfx__printk+0x10/0x10
[  281.255741][ T7343]  ? kernfs_path_from_node+0x250/0x290
[  281.255761][ T7343]  ? kernfs_path_from_node+0x2f/0x290
[  281.255784][ T7343]  sysfs_create_dir_ns+0x259/0x280
[  281.255808][ T7343]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.255829][ T7343]  ? do_raw_spin_unlock+0x122/0x240
[  281.255858][ T7343]  kobject_add_internal+0x59f/0xb40
[  281.255894][ T7343]  kobject_init_and_add+0x125/0x190
[  281.255925][ T7343]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.255953][ T7343]  ? __raw_spin_lock_init+0x45/0x100
[  281.255979][ T7343]  ? __init_swait_queue_head+0xa9/0x150
[  281.256006][ T7343]  gfs2_sys_fs_add+0x234/0x450
[  281.256036][ T7343]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.256071][ T7343]  ? is_dynamic_key+0xd6/0x1c0
[  281.256101][ T7343]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.256151][ T7343]  gfs2_fill_super+0x13c0/0x20d0
[  281.256190][ T7343]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.256220][ T7343]  ? sb_set_blocksize+0x104/0x180
[  281.256246][ T7343]  ? setup_bdev_super+0x4c1/0x5b0
[  281.256271][ T7343]  get_tree_bdev_flags+0x40e/0x4d0
[  281.256293][ T7343]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.256314][ T7343]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.256335][ T7343]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.256374][ T7343]  gfs2_get_tree+0x51/0x1e0
[  281.256397][ T7343]  vfs_get_tree+0x92/0x2b0
[  281.256422][ T7343]  do_new_mount+0x302/0x9e0
[  281.256450][ T7343]  ? apparmor_capable+0x137/0x1b0
[  281.256482][ T7343]  ? __pfx_do_new_mount+0x10/0x10
[  281.256507][ T7343]  ? ns_capable+0x8a/0xf0
[  281.256528][ T7343]  ? kmem_cache_free+0x19b/0x690
[  281.256568][ T7343]  __se_sys_mount+0x313/0x410
[  281.256602][ T7343]  ? __pfx___se_sys_mount+0x10/0x10
[  281.256631][ T7343]  ? do_syscall_64+0xbe/0xfa0
[  281.256652][ T7343]  ? __x64_sys_mount+0x20/0xc0
[  281.256682][ T7343]  do_syscall_64+0xfa/0xfa0
[  281.256704][ T7343]  ? lockdep_hardirqs_on+0x9c/0x150
[  281.256727][ T7343]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.256748][ T7343]  ? clear_bhb_loop+0x60/0xb0
[  281.256776][ T7343]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.256795][ T7343] RIP: 0033:0x7efd5379038a
[  281.256812][ T7343] 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
[  281.256831][ T7343] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.256851][ T7343] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  281.256866][ T7343] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  281.256879][ T7343] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  281.256892][ T7343] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  281.256905][ T7343] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  281.256935][ T7343]  </TASK>
[  281.257007][ T7343] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.584270][ T7343] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.874842][   T31] INFO: task syz.0.17:6547 blocked for more than 143 seconds.
[  281.882473][   T31]       Not tainted syzkaller #0
[  281.887859][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  281.898950][   T31] task:syz.0.17        state:D stack:26920 pid:6547  tgid:6547  ppid:6471   task_flags:0x400040 flags:0x00080002
[  281.911266][   T31] Call Trace:
[  281.914560][   T31]  <TASK>
[  281.918432][   T31]  __schedule+0x1798/0x4cc0
[  281.923064][   T31]  ? __pfx___schedule+0x10/0x10
[  281.928355][   T31]  ? schedule+0x91/0x360
[  281.932619][   T31]  schedule+0x165/0x360
[  281.937204][   T31]  io_schedule+0x80/0xd0
[  281.941466][   T31]  folio_wait_bit_common+0x6b0/0xb80
[  281.947189][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  281.953192][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  281.959790][   T31]  ? __lock_acquire+0xab9/0xd20
[  281.965952][   T31]  writeback_iter+0x8d8/0x12a0
[  281.970769][   T31]  iomap_writepages+0x14d/0x2d0
[  281.976060][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  281.981471][   T31]  gfs2_writepages+0x177/0x250
[  281.982304][ T7347] loop1: detected capacity change from 0 to 32768
[  281.986837][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  282.002395][ T7347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.006575][   T31]  ? __lock_acquire+0xab9/0xd20
[  282.015037][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  282.020348][   T31]  do_writepages+0x32e/0x550
[  282.025297][ T7347] CPU: 1 UID: 0 PID: 7347 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  282.025330][ T7347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.025343][ T7347] Call Trace:
[  282.025352][ T7347]  <TASK>
[  282.025361][ T7347]  dump_stack_lvl+0x189/0x250
[  282.025393][ T7347]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.025418][ T7347]  ? __pfx__printk+0x10/0x10
[  282.025452][ T7347]  ? kernfs_path_from_node+0x250/0x290
[  282.025471][ T7347]  ? kernfs_path_from_node+0x2f/0x290
[  282.025494][ T7347]  sysfs_create_dir_ns+0x259/0x280
[  282.025516][ T7347]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.025537][ T7347]  ? do_raw_spin_unlock+0x122/0x240
[  282.025565][ T7347]  kobject_add_internal+0x59f/0xb40
[  282.025600][ T7347]  kobject_init_and_add+0x125/0x190
[  282.025632][ T7347]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.025659][ T7347]  ? __raw_spin_lock_init+0x45/0x100
[  282.025685][ T7347]  ? __init_swait_queue_head+0xa9/0x150
[  282.025711][ T7347]  gfs2_sys_fs_add+0x234/0x450
[  282.025742][ T7347]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.025776][ T7347]  ? is_dynamic_key+0xd6/0x1c0
[  282.025803][ T7347]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.025839][ T7347]  gfs2_fill_super+0x13c0/0x20d0
[  282.025877][ T7347]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.025906][ T7347]  ? sb_set_blocksize+0x104/0x180
[  282.025933][ T7347]  ? setup_bdev_super+0x4c1/0x5b0
[  282.025962][ T7347]  get_tree_bdev_flags+0x40e/0x4d0
[  282.025986][ T7347]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.026007][ T7347]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.026029][ T7347]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.026066][ T7347]  gfs2_get_tree+0x51/0x1e0
[  282.026090][ T7347]  vfs_get_tree+0x92/0x2b0
[  282.026115][ T7347]  do_new_mount+0x302/0x9e0
[  282.026138][ T7347]  ? apparmor_capable+0x137/0x1b0
[  282.026171][ T7347]  ? __pfx_do_new_mount+0x10/0x10
[  282.026196][ T7347]  ? ns_capable+0x8a/0xf0
[  282.026216][ T7347]  ? kmem_cache_free+0x19b/0x690
[  282.026252][ T7347]  __se_sys_mount+0x313/0x410
[  282.026282][ T7347]  ? __pfx___se_sys_mount+0x10/0x10
[  282.026313][ T7347]  ? do_syscall_64+0xbe/0xfa0
[  282.026342][ T7347]  ? __x64_sys_mount+0x20/0xc0
[  282.026369][ T7347]  do_syscall_64+0xfa/0xfa0
[  282.026390][ T7347]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.026412][ T7347]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.026433][ T7347]  ? clear_bhb_loop+0x60/0xb0
[  282.026458][ T7347]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.026478][ T7347] RIP: 0033:0x7efd5379038a
[  282.026497][ T7347] 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
[  282.026516][ T7347] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.026538][ T7347] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  282.026553][ T7347] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  282.026568][ T7347] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  282.026581][ T7347] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  282.026610][ T7347] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  282.026649][ T7347]  </TASK>
[  282.026677][ T7347] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.075675][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  282.079542][ T7347] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.144902][   T31]  filemap_fdatawrite+0x199/0x240
[  282.372133][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  282.378102][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  282.383347][   T31]  gfs2_log_flush+0x966/0x24c0
[  282.388554][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  282.393782][   T31]  ? __pfx___up_read+0x10/0x10
[  282.398933][   T31]  gfs2_trans_end+0x37c/0x570
[  282.403691][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  282.409430][   T31]  ? do_page_mkwrite+0x14d/0x310
[  282.414400][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  282.420272][   T31]  ? gfs2_fault+0x19a/0x1f0
[  282.425063][   T31]  ? do_page_mkwrite+0x14d/0x310
[  282.430031][   T31]  do_page_mkwrite+0x14d/0x310
[  282.435242][   T31]  __handle_mm_fault+0x1916/0x5400
[  282.440395][   T31]  ? lock_vma_under_rcu+0x1a3/0x450
[  282.446000][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  282.451492][   T31]  ? lock_vma_under_rcu+0x3d2/0x450
[  282.457093][   T31]  ? __pfx_do_futex+0x10/0x10
[  282.461795][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  282.467782][   T31]  handle_mm_fault+0x40a/0x8e0
[  282.473563][   T31]  do_user_addr_fault+0xa7c/0x1380
[  282.479148][   T31]  ? rcu_is_watching+0x15/0xb0
[  282.483937][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  282.490001][   T31]  exc_page_fault+0x82/0x100
[  282.494869][   T31]  asm_exc_page_fault+0x26/0x30
[  282.499777][   T31] RIP: 0033:0x7f42e80550b3
[  282.504199][   T31] RSP: 002b:00007ffd9a92e620 EFLAGS: 00010246
[  282.510783][   T31] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[  282.519010][   T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055556e4ea3c8
[  282.527539][   T31] RBP: 00007ffd9a92e728 R08: 0000000000000000 R09: 0000000000000000
[  282.535801][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f42e83b5fac
[  282.543800][   T31] R13: 00007f42e83b5fa0 R14: fffffffffffffffe R15: 00007ffd9a92e770
[  282.552233][   T31]  </TASK>
[  282.555610][   T31] 
[  282.555610][   T31] Showing all locks held in the system:
[  282.563431][   T31] 1 lock held by pool_workqueue_/3:
[  282.569170][   T31]  #0: ffff8880b873a018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[  282.580725][   T31] 1 lock held by khungtaskd/31:
[  282.586296][   T31]  #0: ffffffff8dd3d2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  282.596547][   T31] 4 locks held by kworker/u8:3/50:
[  282.601707][   T31]  #0: ffff8881412ba948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[  282.613471][   T31]  #1: ffffc90000bb7ba0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[  282.626267][   T31]  #2: ffff88807b0660e0 (&type->s_umount_key#53){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[  282.637122][   T31]  #3: ffff88807c470e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  282.647849][   T31] 2 locks held by getty/5606:
[  282.652534][   T31]  #0: ffff8880301030a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  282.662740][   T31]  #1: ffffc900036bb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[  282.673260][   T31] 4 locks held by syz.0.17/6547:
[  282.685049][   T31]  #0: ffff888075f58588 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1a3/0x450
[  282.694326][   T31]  #1: ffff88807b066518 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x14d/0x310
[  282.705857][   T31]  #2: ffff88807b066610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[  282.715608][   T31]  #3: ffff88807c470e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  282.726273][   T31] 1 lock held by gfs2_logd/syz:s/6551:
[  282.731740][   T31]  #0: ffff88807c470e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  282.742565][   T31] 1 lock held by syz.1.209/7351:
[  282.746870][ T7351] loop1: detected capacity change from 0 to 32768
[  282.747883][   T31] 
[  282.756483][   T31] =============================================
[  282.756483][   T31] 
[  282.765782][   T31] NMI backtrace for cpu 0
[  282.765798][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  282.765816][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.765826][   T31] Call Trace:
[  282.765834][   T31]  <TASK>
[  282.765842][   T31]  dump_stack_lvl+0x189/0x250
[  282.765871][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.765894][   T31]  ? __pfx__printk+0x10/0x10
[  282.765933][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  282.765963][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  282.765994][   T31]  ? __pfx__printk+0x10/0x10
[  282.766023][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  282.766052][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  282.766082][   T31]  watchdog+0xf60/0xfa0
[  282.766111][   T31]  ? watchdog+0x1e2/0xfa0
[  282.766140][   T31]  kthread+0x711/0x8a0
[  282.766168][   T31]  ? __pfx_watchdog+0x10/0x10
[  282.766199][   T31]  ? __pfx_kthread+0x10/0x10
[  282.766224][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  282.766245][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.766274][   T31]  ? __pfx_kthread+0x10/0x10
[  282.766299][   T31]  ret_from_fork+0x4bc/0x870
[  282.766330][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  282.766364][   T31]  ? __switch_to_asm+0x39/0x70
[  282.766388][   T31]  ? __switch_to_asm+0x33/0x70
[  282.766412][   T31]  ? __pfx_kthread+0x10/0x10
[  282.766436][   T31]  ret_from_fork_asm+0x1a/0x30
[  282.766477][   T31]  </TASK>
[  282.766487][   T31] Sending NMI from CPU 0 to CPUs 1:
[  282.854481][ T7351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.854504][ T7351] CPU: 1 UID: 0 PID: 7351 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  282.854526][ T7351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.854539][ T7351] Call Trace:
[  282.854547][ T7351]  <TASK>
[  282.854555][ T7351]  dump_stack_lvl+0x189/0x250
[  282.854590][ T7351]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.854614][ T7351]  ? __pfx__printk+0x10/0x10
[  282.854647][ T7351]  ? kernfs_path_from_node+0x250/0x290
[  282.854667][ T7351]  ? kernfs_path_from_node+0x2f/0x290
[  282.854691][ T7351]  sysfs_create_dir_ns+0x259/0x280
[  282.854713][ T7351]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.854734][ T7351]  ? do_raw_spin_unlock+0x122/0x240
[  282.854762][ T7351]  kobject_add_internal+0x59f/0xb40
[  282.854797][ T7351]  kobject_init_and_add+0x125/0x190
[  282.854828][ T7351]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.854855][ T7351]  ? __raw_spin_lock_init+0x45/0x100
[  282.854880][ T7351]  ? __init_swait_queue_head+0xa9/0x150
[  282.854909][ T7351]  gfs2_sys_fs_add+0x234/0x450
[  282.854940][ T7351]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.854974][ T7351]  ? is_dynamic_key+0xd6/0x1c0
[  282.855008][ T7351]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.855048][ T7351]  gfs2_fill_super+0x13c0/0x20d0
[  282.855086][ T7351]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.855113][ T7351]  ? sb_set_blocksize+0x104/0x180
[  282.855139][ T7351]  ? setup_bdev_super+0x4c1/0x5b0
[  282.855167][ T7351]  get_tree_bdev_flags+0x40e/0x4d0
[  282.855191][ T7351]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.855214][ T7351]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.855235][ T7351]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.855274][ T7351]  gfs2_get_tree+0x51/0x1e0
[  282.855298][ T7351]  vfs_get_tree+0x92/0x2b0
[  282.855324][ T7351]  do_new_mount+0x302/0x9e0
[  282.855347][ T7351]  ? apparmor_capable+0x137/0x1b0
[  282.855378][ T7351]  ? __pfx_do_new_mount+0x10/0x10
[  282.855402][ T7351]  ? ns_capable+0x8a/0xf0
[  282.855423][ T7351]  ? kmem_cache_free+0x19b/0x690
[  282.855457][ T7351]  __se_sys_mount+0x313/0x410
[  282.855488][ T7351]  ? __pfx___se_sys_mount+0x10/0x10
[  282.855517][ T7351]  ? do_syscall_64+0xbe/0xfa0
[  282.855537][ T7351]  ? __x64_sys_mount+0x20/0xc0
[  282.855564][ T7351]  do_syscall_64+0xfa/0xfa0
[  282.855585][ T7351]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.855606][ T7351]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.855625][ T7351]  ? clear_bhb_loop+0x60/0xb0
[  282.855648][ T7351]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.855666][ T7351] RIP: 0033:0x7efd5379038a
[  282.855684][ T7351] 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
[  282.855701][ T7351] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.855721][ T7351] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  282.855736][ T7351] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  282.855750][ T7351] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  282.855763][ T7351] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  282.855775][ T7351] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  282.855808][ T7351]  </TASK>
[  282.861802][ T7351] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.864131][    C1] NMI backtrace for cpu 1
[  282.864145][    C1] CPU: 1 UID: 0 PID: 7351 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  282.864165][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.864176][    C1] RIP: 0010:number+0x43c/0xf60
[  282.864204][    C1] Code: 20 44 8b 6c 24 3c 44 39 e8 48 89 44 24 50 44 0f 4f e8 44 29 eb 44 89 fe 83 e6 12 31 ff e8 4c 9d 89 f6 44 89 f8 83 e0 12 74 64 <48> 89 5c 24 18 e8 fa 98 89 f6 80 7c 24 38 00 74 1a e8 ee 98 89 f6
[  282.864220][    C1] RSP: 0018:ffffc9000477ec60 EFLAGS: 00000202
[  282.864237][    C1] RAX: 0000000000000010 RBX: 0000000000000000 RCX: 0000000000000000
[  282.864248][    C1] RDX: ffff88801eb3dac0 RSI: 0000000000000010 RDI: 0000000000000000
[  282.864260][    C1] RBP: ffffc9000477ed80 R08: ffffc9000477ecf7 R09: 0000000000000000
[  282.864274][    C1] R10: ffffc9000477ece0 R11: fffff520008efd9f R12: 00000000000bb110
[  282.864287][    C1] R13: 0000000000000006 R14: ffffc9000477f067 R15: 00000000ffff0a10
[  282.864300][    C1] FS:  00007efd545406c0(0000) GS:ffff88812626c000(0000) knlGS:0000000000000000
[  282.864316][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  282.864329][    C1] CR2: 00007f4dbe83e000 CR3: 0000000026ab4000 CR4: 00000000003526f0
[  282.864345][    C1] Call Trace:
[  282.864352][    C1]  <TASK>
[  282.864362][    C1]  ? number+0x101/0xf60
[  282.864387][    C1]  ? __pfx_number+0x10/0x10
[  282.864413][    C1]  ? format_decode+0x5a3/0xe30
[  282.864440][    C1]  vsnprintf+0x91b/0xf00
[  282.864470][    C1]  sprintf+0xd9/0x120
[  282.864496][    C1]  ? __pfx_sprintf+0x10/0x10
[  282.864521][    C1]  ? desc_read+0x208/0x3f0
[  282.864542][    C1]  info_print_prefix+0x155/0x310
[  282.864567][    C1]  ? __pfx_info_print_prefix+0x10/0x10
[  282.864590][    C1]  ? _prb_read_valid+0xa7b/0xa90
[  282.864606][    C1]  ? desc_read+0x1b8/0x3f0
[  282.864624][    C1]  record_print_text+0x154/0x420
[  282.864647][    C1]  ? __pfx__prb_read_valid+0x10/0x10
[  282.864665][    C1]  ? __pfx_record_print_text+0x10/0x10
[  282.864688][    C1]  ? panic_on_this_cpu+0x32/0x40
[  282.864715][    C1]  printk_get_next_message+0x26d/0x7b0
[  282.864741][    C1]  ? __pfx_printk_get_next_message+0x10/0x10
[  282.864764][    C1]  ? __lock_acquire+0xab9/0xd20
[  282.864795][    C1]  ? console_flush_all+0x13a/0xb10
[  282.864819][    C1]  ? console_flush_all+0x476/0xb10
[  282.864842][    C1]  console_flush_all+0x4ca/0xb10
[  282.864866][    C1]  ? console_flush_all+0x13a/0xb10
[  282.864888][    C1]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  282.864910][    C1]  ? __pfx_console_flush_all+0x10/0x10
[  282.864935][    C1]  ? is_printk_cpu_sync_owner+0x32/0x40
[  282.864959][    C1]  console_unlock+0xbb/0x190
[  282.864977][    C1]  ? vprintk_emit+0x2ee/0x590
[  282.864994][    C1]  ? __pfx_console_unlock+0x10/0x10
[  282.865020][    C1]  ? vprintk_emit+0x2ee/0x590
[  282.865037][    C1]  ? vprintk_emit+0x2ee/0x590
[  282.865055][    C1]  vprintk_emit+0x4c5/0x590
[  282.865073][    C1]  ? __pfx_vprintk_emit+0x10/0x10
[  282.865094][    C1]  ? __lock_acquire+0xab9/0xd20
[  282.865122][    C1]  _printk+0xcf/0x120
[  282.865150][    C1]  ? __pfx__printk+0x10/0x10
[  282.865175][    C1]  ? kobject_put+0x43f/0x480
[  282.865196][    C1]  ? kobj_kset_leave+0x163/0x190
[  282.865221][    C1]  kobject_add_internal+0x873/0xb40
[  282.865247][    C1]  kobject_init_and_add+0x125/0x190
[  282.865272][    C1]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.865295][    C1]  ? __raw_spin_lock_init+0x45/0x100
[  282.865316][    C1]  ? __init_swait_queue_head+0xa9/0x150
[  282.865338][    C1]  gfs2_sys_fs_add+0x234/0x450
[  282.865364][    C1]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.865391][    C1]  ? is_dynamic_key+0xd6/0x1c0
[  282.865414][    C1]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.865442][    C1]  gfs2_fill_super+0x13c0/0x20d0
[  282.865468][    C1]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.865489][    C1]  ? sb_set_blocksize+0x104/0x180
[  282.865511][    C1]  ? setup_bdev_super+0x4c1/0x5b0
[  282.865533][    C1]  get_tree_bdev_flags+0x40e/0x4d0
[  282.865554][    C1]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.865573][    C1]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.865592][    C1]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.865621][    C1]  gfs2_get_tree+0x51/0x1e0
[  282.865641][    C1]  vfs_get_tree+0x92/0x2b0
[  282.865662][    C1]  do_new_mount+0x302/0x9e0
[  282.865683][    C1]  ? apparmor_capable+0x137/0x1b0
[  282.865710][    C1]  ? __pfx_do_new_mount+0x10/0x10
[  282.865732][    C1]  ? ns_capable+0x8a/0xf0
[  282.865749][    C1]  ? kmem_cache_free+0x19b/0x690
[  282.865775][    C1]  __se_sys_mount+0x313/0x410
[  282.865800][    C1]  ? __pfx___se_sys_mount+0x10/0x10
[  282.865824][    C1]  ? do_syscall_64+0xbe/0xfa0
[  282.865843][    C1]  ? __x64_sys_mount+0x20/0xc0
[  282.865866][    C1]  do_syscall_64+0xfa/0xfa0
[  282.865885][    C1]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.865905][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.865922][    C1]  ? clear_bhb_loop+0x60/0xb0
[  282.865941][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.865958][    C1] RIP: 0033:0x7efd5379038a
[  282.865973][    C1] 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
[  282.865989][    C1] RSP: 002b:00007efd5453fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.866013][    C1] RAX: ffffffffffffffda RBX: 00007efd5453fef0 RCX: 00007efd5379038a
[  282.866026][    C1] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007efd5453feb0
[  282.866039][    C1] RBP: 000020000001f680 R08: 00007efd5453fef0 R09: 0000000000000094
[  282.866052][    C1] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  282.866064][    C1] R13: 00007efd5453feb0 R14: 000000000001f790 R15: 00002000000001c0
[  282.866084][    C1]  </TASK>
[  282.872472][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  282.872497][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  282.872519][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.872532][   T31] Call Trace:
[  282.872541][   T31]  <TASK>
[  282.872551][   T31]  dump_stack_lvl+0x99/0x250
[  282.872579][   T31]  ? __asan_memcpy+0x40/0x70
[  282.872601][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.872625][   T31]  ? __pfx__printk+0x10/0x10
[  282.872665][   T31]  vpanic+0x237/0x6d0
[  282.872689][   T31]  ? __pfx_vpanic+0x10/0x10
[  282.872714][   T31]  ? preempt_schedule_common+0x83/0xd0
[  282.872744][   T31]  panic+0xb9/0xc0
[  282.872768][   T31]  ? __pfx_panic+0x10/0x10
[  282.872793][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  282.872817][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  282.872850][   T31]  watchdog+0xf9f/0xfa0
[  282.872882][   T31]  ? watchdog+0x1e2/0xfa0
[  282.872915][   T31]  kthread+0x711/0x8a0
[  282.872941][   T31]  ? __pfx_watchdog+0x10/0x10
[  282.872968][   T31]  ? __pfx_kthread+0x10/0x10
[  282.872992][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  282.873013][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.873034][   T31]  ? __pfx_kthread+0x10/0x10
[  282.873059][   T31]  ret_from_fork+0x4bc/0x870
[  282.873089][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  282.873125][   T31]  ? __switch_to_asm+0x39/0x70
[  282.873151][   T31]  ? __switch_to_asm+0x33/0x70
[  282.873175][   T31]  ? __pfx_kthread+0x10/0x10
[  282.873199][   T31]  ret_from_fork_asm+0x1a/0x30
[  282.873241][   T31]  </TASK>
[  282.876759][   T31] Kernel Offset: disabled