[  276.085555][ T6531] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.099726][ T6531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.638130][ T6535] loop1: detected capacity change from 0 to 32768
[  276.652057][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.667307][ T6535] CPU: 1 UID: 0 PID: 6535 Comm: syz.1.132 Not tainted syzkaller #0 PREEMPT(full) 
[  276.667338][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.667356][ T6535] Call Trace:
[  276.667365][ T6535]  <TASK>
[  276.667376][ T6535]  dump_stack_lvl+0xe8/0x150
[  276.667415][ T6535]  sysfs_create_dir_ns+0x259/0x280
[  276.667442][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.667475][ T6535]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.667504][ T6535]  ? do_raw_spin_unlock+0x122/0x240
[  276.667546][ T6535]  kobject_add_internal+0x6ab/0xcc0
[  276.667588][ T6535]  kobject_init_and_add+0x125/0x190
[  276.667624][ T6535]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.667656][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.667685][ T6535]  ? __raw_spin_lock_init+0x45/0x100
[  276.667721][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.667750][ T6535]  ? __init_swait_queue_head+0xa9/0x150
[  276.667797][ T6535]  gfs2_sys_fs_add+0x234/0x450
[  276.667828][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.667857][ T6535]  ? is_dynamic_key+0x1ac/0x1c0
[  276.667884][ T6535]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.667927][ T6535]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.667979][ T6535]  gfs2_fill_super+0x1388/0x21b0
[  276.668022][ T6535]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.668045][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.668080][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.668109][ T6535]  ? sb_set_blocksize+0x155/0x240
[  276.668144][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.668173][ T6535]  ? setup_bdev_super+0x4c1/0x5b0
[  276.668203][ T6535]  get_tree_bdev_flags+0x40e/0x4d0
[  276.668229][ T6535]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.668254][ T6535]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.668278][ T6535]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.668318][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.668355][ T6535]  gfs2_get_tree+0x51/0x1e0
[  276.668383][ T6535]  vfs_get_tree+0x92/0x2a0
[  276.668412][ T6535]  do_new_mount+0x302/0xa10
[  276.668442][ T6535]  ? apparmor_capable+0x137/0x1a0
[  276.668487][ T6535]  ? __pfx_do_new_mount+0x10/0x10
[  276.668517][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.668546][ T6535]  ? ns_capable+0x8a/0xf0
[  276.668573][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.668604][ T6535]  ? kmem_cache_free+0x197/0x620
[  276.668643][ T6535]  __se_sys_mount+0x313/0x410
[  276.668682][ T6535]  ? __pfx___se_sys_mount+0x10/0x10
[  276.668716][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.668755][ T6535]  ? srso_alias_return_thunk+0x5/0xfbef5
[  276.668792][ T6535]  ? __x64_sys_mount+0x20/0xc0
[  276.668828][ T6535]  do_syscall_64+0xec/0xf80
[  276.668854][ T6535]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.668879][ T6535]  ? trace_irq_disable+0x37/0x100
[  276.668919][ T6535]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.668944][ T6535] RIP: 0033:0x7fafa4f90eea
[  276.668965][ T6535] 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
[  276.668986][ T6535] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.669014][ T6535] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  276.669034][ T6535] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  276.669053][ T6535] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  276.669072][ T6535] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  276.669091][ T6535] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  276.669131][ T6535]  </TASK>
[  277.018874][ T6535] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.033056][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 09:15:21 executed programs: 118
[  277.500918][   T52] Bluetooth: hci0: command 0x0406 tx timeout
[  277.535089][ T6539] loop1: detected capacity change from 0 to 32768
[  277.572764][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.584064][ T6539] CPU: 1 UID: 0 PID: 6539 Comm: syz.1.133 Not tainted syzkaller #0 PREEMPT(full) 
[  277.584095][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  277.584112][ T6539] Call Trace:
[  277.584123][ T6539]  <TASK>
[  277.584133][ T6539]  dump_stack_lvl+0xe8/0x150
[  277.584171][ T6539]  sysfs_create_dir_ns+0x259/0x280
[  277.584200][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.584233][ T6539]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.584263][ T6539]  ? do_raw_spin_unlock+0x122/0x240
[  277.584306][ T6539]  kobject_add_internal+0x6ab/0xcc0
[  277.584348][ T6539]  kobject_init_and_add+0x125/0x190
[  277.584385][ T6539]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.584418][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.584447][ T6539]  ? __raw_spin_lock_init+0x45/0x100
[  277.584485][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.584515][ T6539]  ? __init_swait_queue_head+0xa9/0x150
[  277.584559][ T6539]  gfs2_sys_fs_add+0x234/0x450
[  277.584591][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.584620][ T6539]  ? is_dynamic_key+0x1ac/0x1c0
[  277.584647][ T6539]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.584692][ T6539]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.584744][ T6539]  gfs2_fill_super+0x1388/0x21b0
[  277.584795][ T6539]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.584818][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.584854][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.584884][ T6539]  ? sb_set_blocksize+0x155/0x240
[  277.584919][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.584949][ T6539]  ? setup_bdev_super+0x4c1/0x5b0
[  277.584979][ T6539]  get_tree_bdev_flags+0x40e/0x4d0
[  277.585005][ T6539]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.585031][ T6539]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.585055][ T6539]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.585096][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.585135][ T6539]  gfs2_get_tree+0x51/0x1e0
[  277.585164][ T6539]  vfs_get_tree+0x92/0x2a0
[  277.585193][ T6539]  do_new_mount+0x302/0xa10
[  277.585222][ T6539]  ? apparmor_capable+0x137/0x1a0
[  277.585269][ T6539]  ? __pfx_do_new_mount+0x10/0x10
[  277.585300][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.585329][ T6539]  ? ns_capable+0x8a/0xf0
[  277.585356][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.585387][ T6539]  ? kmem_cache_free+0x197/0x620
[  277.585428][ T6539]  __se_sys_mount+0x313/0x410
[  277.585467][ T6539]  ? __pfx___se_sys_mount+0x10/0x10
[  277.585498][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.585535][ T6539]  ? srso_alias_return_thunk+0x5/0xfbef5
[  277.585564][ T6539]  ? __x64_sys_mount+0x20/0xc0
[  277.585598][ T6539]  do_syscall_64+0xec/0xf80
[  277.585625][ T6539]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.585650][ T6539]  ? trace_irq_disable+0x37/0x100
[  277.585692][ T6539]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.585717][ T6539] RIP: 0033:0x7fafa4f90eea
[  277.585740][ T6539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  277.585762][ T6539] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.585796][ T6539] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  277.585816][ T6539] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  277.585836][ T6539] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  277.585855][ T6539] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  277.585873][ T6539] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  277.585913][ T6539]  </TASK>
[  277.586131][ T6539] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.951424][ T6539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.472069][ T6543] loop1: detected capacity change from 0 to 32768
[  278.487134][ T6543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.494642][ T6543] CPU: 0 UID: 0 PID: 6543 Comm: syz.1.134 Not tainted syzkaller #0 PREEMPT(full) 
[  278.494674][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.494691][ T6543] Call Trace:
[  278.494701][ T6543]  <TASK>
[  278.494712][ T6543]  dump_stack_lvl+0xe8/0x150
[  278.494750][ T6543]  sysfs_create_dir_ns+0x259/0x280
[  278.494780][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.494814][ T6543]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.494844][ T6543]  ? do_raw_spin_unlock+0x122/0x240
[  278.494887][ T6543]  kobject_add_internal+0x6ab/0xcc0
[  278.494930][ T6543]  kobject_init_and_add+0x125/0x190
[  278.494967][ T6543]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.495000][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495037][ T6543]  ? __raw_spin_lock_init+0x45/0x100
[  278.495076][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495107][ T6543]  ? __init_swait_queue_head+0xa9/0x150
[  278.495148][ T6543]  gfs2_sys_fs_add+0x234/0x450
[  278.495182][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495212][ T6543]  ? is_dynamic_key+0x1ac/0x1c0
[  278.495240][ T6543]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.495284][ T6543]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.495337][ T6543]  gfs2_fill_super+0x1388/0x21b0
[  278.495382][ T6543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.495405][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495441][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495471][ T6543]  ? sb_set_blocksize+0x155/0x240
[  278.495506][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495536][ T6543]  ? setup_bdev_super+0x4c1/0x5b0
[  278.495568][ T6543]  get_tree_bdev_flags+0x40e/0x4d0
[  278.495594][ T6543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.495620][ T6543]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.495645][ T6543]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.495689][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495727][ T6543]  gfs2_get_tree+0x51/0x1e0
[  278.495757][ T6543]  vfs_get_tree+0x92/0x2a0
[  278.495785][ T6543]  do_new_mount+0x302/0xa10
[  278.495817][ T6543]  ? apparmor_capable+0x137/0x1a0
[  278.495864][ T6543]  ? __pfx_do_new_mount+0x10/0x10
[  278.495895][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495925][ T6543]  ? ns_capable+0x8a/0xf0
[  278.495954][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.495985][ T6543]  ? kmem_cache_free+0x197/0x620
[  278.496025][ T6543]  __se_sys_mount+0x313/0x410
[  278.496071][ T6543]  ? __pfx___se_sys_mount+0x10/0x10
[  278.496102][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.496140][ T6543]  ? srso_alias_return_thunk+0x5/0xfbef5
[  278.496170][ T6543]  ? __x64_sys_mount+0x20/0xc0
[  278.496206][ T6543]  do_syscall_64+0xec/0xf80
[  278.496234][ T6543]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.496260][ T6543]  ? trace_irq_disable+0x37/0x100
[  278.496302][ T6543]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.496329][ T6543] RIP: 0033:0x7fafa4f90eea
[  278.496351][ T6543] 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
[  278.496374][ T6543] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.496403][ T6543] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  278.496423][ T6543] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  278.496443][ T6543] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  278.496462][ T6543] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  278.496480][ T6543] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  278.496520][ T6543]  </TASK>
[  278.496548][ T6543] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.858848][ T6543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.377625][ T6547] loop1: detected capacity change from 0 to 32768
[  279.390803][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.398186][ T6547] CPU: 1 UID: 0 PID: 6547 Comm: syz.1.135 Not tainted syzkaller #0 PREEMPT(full) 
[  279.398216][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.398233][ T6547] Call Trace:
[  279.398244][ T6547]  <TASK>
[  279.398254][ T6547]  dump_stack_lvl+0xe8/0x150
[  279.398292][ T6547]  sysfs_create_dir_ns+0x259/0x280
[  279.398321][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.398355][ T6547]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.398384][ T6547]  ? do_raw_spin_unlock+0x122/0x240
[  279.398426][ T6547]  kobject_add_internal+0x6ab/0xcc0
[  279.398469][ T6547]  kobject_init_and_add+0x125/0x190
[  279.398507][ T6547]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.398539][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.398568][ T6547]  ? __raw_spin_lock_init+0x45/0x100
[  279.398605][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.398634][ T6547]  ? __init_swait_queue_head+0xa9/0x150
[  279.398675][ T6547]  gfs2_sys_fs_add+0x234/0x450
[  279.398712][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.398743][ T6547]  ? is_dynamic_key+0x1ac/0x1c0
[  279.398770][ T6547]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.398821][ T6547]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.398873][ T6547]  gfs2_fill_super+0x1388/0x21b0
[  279.398917][ T6547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.398941][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.398976][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.399006][ T6547]  ? sb_set_blocksize+0x155/0x240
[  279.399041][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.399071][ T6547]  ? setup_bdev_super+0x4c1/0x5b0
[  279.399101][ T6547]  get_tree_bdev_flags+0x40e/0x4d0
[  279.399127][ T6547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.399153][ T6547]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.399177][ T6547]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.399219][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.399257][ T6547]  gfs2_get_tree+0x51/0x1e0
[  279.399286][ T6547]  vfs_get_tree+0x92/0x2a0
[  279.399314][ T6547]  do_new_mount+0x302/0xa10
[  279.399344][ T6547]  ? apparmor_capable+0x137/0x1a0
[  279.399390][ T6547]  ? __pfx_do_new_mount+0x10/0x10
[  279.399421][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.399449][ T6547]  ? ns_capable+0x8a/0xf0
[  279.399478][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.399509][ T6547]  ? kmem_cache_free+0x197/0x620
[  279.399549][ T6547]  __se_sys_mount+0x313/0x410
[  279.399582][ T6547]  ? __pfx___se_sys_mount+0x10/0x10
[  279.399605][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.399631][ T6547]  ? srso_alias_return_thunk+0x5/0xfbef5
[  279.399652][ T6547]  ? __x64_sys_mount+0x20/0xc0
[  279.399678][ T6547]  do_syscall_64+0xec/0xf80
[  279.399697][ T6547]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.399715][ T6547]  ? trace_irq_disable+0x37/0x100
[  279.399745][ T6547]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.399764][ T6547] RIP: 0033:0x7fafa4f90eea
[  279.399780][ T6547] 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
[  279.399801][ T6547] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.399820][ T6547] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  279.399835][ T6547] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  279.399848][ T6547] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  279.399862][ T6547] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  279.399875][ T6547] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  279.399904][ T6547]  </TASK>
[  279.747852][ T6547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.761949][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.255480][ T6551] loop1: detected capacity change from 0 to 32768
[  280.289738][ T6551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.297108][ T6551] CPU: 0 UID: 0 PID: 6551 Comm: syz.1.136 Not tainted syzkaller #0 PREEMPT(full) 
[  280.297130][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.297142][ T6551] Call Trace:
[  280.297151][ T6551]  <TASK>
[  280.297159][ T6551]  dump_stack_lvl+0xe8/0x150
[  280.297187][ T6551]  sysfs_create_dir_ns+0x259/0x280
[  280.297208][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.297232][ T6551]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.297254][ T6551]  ? do_raw_spin_unlock+0x122/0x240
[  280.297285][ T6551]  kobject_add_internal+0x6ab/0xcc0
[  280.297316][ T6551]  kobject_init_and_add+0x125/0x190
[  280.297344][ T6551]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.297367][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.297388][ T6551]  ? __raw_spin_lock_init+0x45/0x100
[  280.297415][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.297436][ T6551]  ? __init_swait_queue_head+0xa9/0x150
[  280.297465][ T6551]  gfs2_sys_fs_add+0x234/0x450
[  280.297489][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.297510][ T6551]  ? is_dynamic_key+0x1ac/0x1c0
[  280.297530][ T6551]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.297562][ T6551]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.297601][ T6551]  gfs2_fill_super+0x1388/0x21b0
[  280.297634][ T6551]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.297651][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.297676][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.297697][ T6551]  ? sb_set_blocksize+0x155/0x240
[  280.297723][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.297744][ T6551]  ? setup_bdev_super+0x4c1/0x5b0
[  280.297766][ T6551]  get_tree_bdev_flags+0x40e/0x4d0
[  280.297785][ T6551]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.297804][ T6551]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.297821][ T6551]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.297851][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.297879][ T6551]  gfs2_get_tree+0x51/0x1e0
[  280.297900][ T6551]  vfs_get_tree+0x92/0x2a0
[  280.297921][ T6551]  do_new_mount+0x302/0xa10
[  280.297942][ T6551]  ? apparmor_capable+0x137/0x1a0
[  280.297975][ T6551]  ? __pfx_do_new_mount+0x10/0x10
[  280.297998][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.298019][ T6551]  ? ns_capable+0x8a/0xf0
[  280.298044][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.298067][ T6551]  ? kmem_cache_free+0x197/0x620
[  280.298096][ T6551]  __se_sys_mount+0x313/0x410
[  280.298125][ T6551]  ? __pfx___se_sys_mount+0x10/0x10
[  280.298147][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.298174][ T6551]  ? srso_alias_return_thunk+0x5/0xfbef5
[  280.298195][ T6551]  ? __x64_sys_mount+0x20/0xc0
[  280.298221][ T6551]  do_syscall_64+0xec/0xf80
[  280.298239][ T6551]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.298257][ T6551]  ? trace_irq_disable+0x37/0x100
[  280.298288][ T6551]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.298306][ T6551] RIP: 0033:0x7fafa4f90eea
[  280.298322][ T6551] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  280.298338][ T6551] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.298358][ T6551] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  280.298372][ T6551] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  280.298386][ T6551] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  280.298399][ T6551] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  280.298412][ T6551] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  280.298441][ T6551]  </TASK>
[  280.298463][ T6551] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.664533][ T6551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.163676][ T6555] loop1: detected capacity change from 0 to 32768
[  281.185562][ T6555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.193120][ T6555] CPU: 1 UID: 0 PID: 6555 Comm: syz.1.137 Not tainted syzkaller #0 PREEMPT(full) 
[  281.193151][ T6555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.193168][ T6555] Call Trace:
[  281.193179][ T6555]  <TASK>
[  281.193190][ T6555]  dump_stack_lvl+0xe8/0x150
[  281.193229][ T6555]  sysfs_create_dir_ns+0x259/0x280
[  281.193259][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.193293][ T6555]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.193324][ T6555]  ? do_raw_spin_unlock+0x122/0x240
[  281.193367][ T6555]  kobject_add_internal+0x6ab/0xcc0
[  281.193410][ T6555]  kobject_init_and_add+0x125/0x190
[  281.193448][ T6555]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.193481][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.193511][ T6555]  ? __raw_spin_lock_init+0x45/0x100
[  281.193549][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.193579][ T6555]  ? __init_swait_queue_head+0xa9/0x150
[  281.193618][ T6555]  gfs2_sys_fs_add+0x234/0x450
[  281.193650][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.193681][ T6555]  ? is_dynamic_key+0x1ac/0x1c0
[  281.193707][ T6555]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.193752][ T6555]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.193807][ T6555]  gfs2_fill_super+0x1388/0x21b0
[  281.193853][ T6555]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.193877][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.193913][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.193944][ T6555]  ? sb_set_blocksize+0x155/0x240
[  281.193980][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.194010][ T6555]  ? setup_bdev_super+0x4c1/0x5b0
[  281.194046][ T6555]  get_tree_bdev_flags+0x40e/0x4d0
[  281.194073][ T6555]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.194099][ T6555]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.194123][ T6555]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.194165][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.194202][ T6555]  gfs2_get_tree+0x51/0x1e0
[  281.194232][ T6555]  vfs_get_tree+0x92/0x2a0
[  281.194260][ T6555]  do_new_mount+0x302/0xa10
[  281.194291][ T6555]  ? apparmor_capable+0x137/0x1a0
[  281.194337][ T6555]  ? __pfx_do_new_mount+0x10/0x10
[  281.194370][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.194400][ T6555]  ? ns_capable+0x8a/0xf0
[  281.194428][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.194460][ T6555]  ? kmem_cache_free+0x197/0x620
[  281.194500][ T6555]  __se_sys_mount+0x313/0x410
[  281.194541][ T6555]  ? __pfx___se_sys_mount+0x10/0x10
[  281.194572][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.194610][ T6555]  ? srso_alias_return_thunk+0x5/0xfbef5
[  281.194639][ T6555]  ? __x64_sys_mount+0x20/0xc0
[  281.194675][ T6555]  do_syscall_64+0xec/0xf80
[  281.194703][ T6555]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.194727][ T6555]  ? trace_irq_disable+0x37/0x100
[  281.194769][ T6555]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.194795][ T6555] RIP: 0033:0x7fafa4f90eea
[  281.194816][ T6555] 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
[  281.194840][ T6555] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.194867][ T6555] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  281.194887][ T6555] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  281.194907][ T6555] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  281.194927][ T6555] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  281.194946][ T6555] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  281.194987][ T6555]  </TASK>
[  281.195013][ T6555] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.560599][ T6555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.076248][ T6559] loop1: detected capacity change from 0 to 32768
[  282.099342][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.106704][ T6559] CPU: 0 UID: 0 PID: 6559 Comm: syz.1.138 Not tainted syzkaller #0 PREEMPT(full) 
[  282.106725][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.106737][ T6559] Call Trace:
[  282.106745][ T6559]  <TASK>
[  282.106753][ T6559]  dump_stack_lvl+0xe8/0x150
[  282.106782][ T6559]  sysfs_create_dir_ns+0x259/0x280
[  282.106803][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.106827][ T6559]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.106849][ T6559]  ? do_raw_spin_unlock+0x122/0x240
[  282.106880][ T6559]  kobject_add_internal+0x6ab/0xcc0
[  282.106911][ T6559]  kobject_init_and_add+0x125/0x190
[  282.106938][ T6559]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.106961][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.106983][ T6559]  ? __raw_spin_lock_init+0x45/0x100
[  282.107010][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107031][ T6559]  ? __init_swait_queue_head+0xa9/0x150
[  282.107069][ T6559]  gfs2_sys_fs_add+0x234/0x450
[  282.107093][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107114][ T6559]  ? is_dynamic_key+0x1ac/0x1c0
[  282.107134][ T6559]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.107166][ T6559]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.107204][ T6559]  gfs2_fill_super+0x1388/0x21b0
[  282.107237][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.107254][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107280][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107301][ T6559]  ? sb_set_blocksize+0x155/0x240
[  282.107327][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107348][ T6559]  ? setup_bdev_super+0x4c1/0x5b0
[  282.107369][ T6559]  get_tree_bdev_flags+0x40e/0x4d0
[  282.107388][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.107407][ T6559]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.107424][ T6559]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.107454][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107482][ T6559]  gfs2_get_tree+0x51/0x1e0
[  282.107504][ T6559]  vfs_get_tree+0x92/0x2a0
[  282.107525][ T6559]  do_new_mount+0x302/0xa10
[  282.107546][ T6559]  ? apparmor_capable+0x137/0x1a0
[  282.107580][ T6559]  ? __pfx_do_new_mount+0x10/0x10
[  282.107602][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107623][ T6559]  ? ns_capable+0x8a/0xf0
[  282.107643][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107665][ T6559]  ? kmem_cache_free+0x197/0x620
[  282.107694][ T6559]  __se_sys_mount+0x313/0x410
[  282.107723][ T6559]  ? __pfx___se_sys_mount+0x10/0x10
[  282.107745][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107772][ T6559]  ? srso_alias_return_thunk+0x5/0xfbef5
[  282.107793][ T6559]  ? __x64_sys_mount+0x20/0xc0
[  282.107818][ T6559]  do_syscall_64+0xec/0xf80
[  282.107837][ T6559]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.107856][ T6559]  ? trace_irq_disable+0x37/0x100
[  282.107885][ T6559]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.107904][ T6559] RIP: 0033:0x7fafa4f90eea
[  282.107920][ T6559] 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
[  282.107936][ T6559] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.107956][ T6559] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  282.107970][ T6559] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  282.107984][ T6559] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  282.107997][ T6559] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  282.108010][ T6559] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  282.108043][ T6559]  </TASK>
[  282.108063][ T6559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.480266][ T6559] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 09:15:26 executed programs: 124
[  282.997917][ T6563] loop1: detected capacity change from 0 to 32768
[  283.026384][ T6563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.033951][ T6563] CPU: 1 UID: 0 PID: 6563 Comm: syz.1.139 Not tainted syzkaller #0 PREEMPT(full) 
[  283.033981][ T6563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.033998][ T6563] Call Trace:
[  283.034009][ T6563]  <TASK>
[  283.034020][ T6563]  dump_stack_lvl+0xe8/0x150
[  283.034058][ T6563]  sysfs_create_dir_ns+0x259/0x280
[  283.034087][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.034121][ T6563]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.034151][ T6563]  ? do_raw_spin_unlock+0x122/0x240
[  283.034194][ T6563]  kobject_add_internal+0x6ab/0xcc0
[  283.034237][ T6563]  kobject_init_and_add+0x125/0x190
[  283.034274][ T6563]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.034307][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.034336][ T6563]  ? __raw_spin_lock_init+0x45/0x100
[  283.034374][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.034404][ T6563]  ? __init_swait_queue_head+0xa9/0x150
[  283.034444][ T6563]  gfs2_sys_fs_add+0x234/0x450
[  283.034476][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.034506][ T6563]  ? is_dynamic_key+0x1ac/0x1c0
[  283.034533][ T6563]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.034576][ T6563]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.034629][ T6563]  gfs2_fill_super+0x1388/0x21b0
[  283.034674][ T6563]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.034698][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.034735][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.034764][ T6563]  ? sb_set_blocksize+0x155/0x240
[  283.034806][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.034836][ T6563]  ? setup_bdev_super+0x4c1/0x5b0
[  283.034865][ T6563]  get_tree_bdev_flags+0x40e/0x4d0
[  283.034891][ T6563]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.034917][ T6563]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.034941][ T6563]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.034982][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.035021][ T6563]  gfs2_get_tree+0x51/0x1e0
[  283.035049][ T6563]  vfs_get_tree+0x92/0x2a0
[  283.035078][ T6563]  do_new_mount+0x302/0xa10
[  283.035108][ T6563]  ? apparmor_capable+0x137/0x1a0
[  283.035154][ T6563]  ? __pfx_do_new_mount+0x10/0x10
[  283.035184][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.035214][ T6563]  ? ns_capable+0x8a/0xf0
[  283.035242][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.035273][ T6563]  ? kmem_cache_free+0x197/0x620
[  283.035312][ T6563]  __se_sys_mount+0x313/0x410
[  283.035352][ T6563]  ? __pfx___se_sys_mount+0x10/0x10
[  283.035382][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.035419][ T6563]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.035449][ T6563]  ? __x64_sys_mount+0x20/0xc0
[  283.035484][ T6563]  do_syscall_64+0xec/0xf80
[  283.035511][ T6563]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.035536][ T6563]  ? trace_irq_disable+0x37/0x100
[  283.035577][ T6563]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.035602][ T6563] RIP: 0033:0x7fafa4f90eea
[  283.035624][ T6563] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  283.035647][ T6563] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.035674][ T6563] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  283.035694][ T6563] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  283.035713][ T6563] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  283.035732][ T6563] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  283.035750][ T6563] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  283.035796][ T6563]  </TASK>
[  283.035822][ T6563] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.402072][ T6563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.914556][ T6567] loop1: detected capacity change from 0 to 32768
[  283.939321][ T6567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.946704][ T6567] CPU: 0 UID: 0 PID: 6567 Comm: syz.1.140 Not tainted syzkaller #0 PREEMPT(full) 
[  283.946734][ T6567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.946750][ T6567] Call Trace:
[  283.946759][ T6567]  <TASK>
[  283.946769][ T6567]  dump_stack_lvl+0xe8/0x150
[  283.946806][ T6567]  sysfs_create_dir_ns+0x259/0x280
[  283.946833][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.946865][ T6567]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.946895][ T6567]  ? do_raw_spin_unlock+0x122/0x240
[  283.946936][ T6567]  kobject_add_internal+0x6ab/0xcc0
[  283.946977][ T6567]  kobject_init_and_add+0x125/0x190
[  283.947013][ T6567]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.947049][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.947079][ T6567]  ? __raw_spin_lock_init+0x45/0x100
[  283.947115][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.947145][ T6567]  ? __init_swait_queue_head+0xa9/0x150
[  283.947186][ T6567]  gfs2_sys_fs_add+0x234/0x450
[  283.947219][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.947249][ T6567]  ? is_dynamic_key+0x1ac/0x1c0
[  283.947276][ T6567]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.947320][ T6567]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.947373][ T6567]  gfs2_fill_super+0x1388/0x21b0
[  283.947422][ T6567]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.947447][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.947483][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.947512][ T6567]  ? sb_set_blocksize+0x155/0x240
[  283.947549][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.947578][ T6567]  ? setup_bdev_super+0x4c1/0x5b0
[  283.947608][ T6567]  get_tree_bdev_flags+0x40e/0x4d0
[  283.947635][ T6567]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.947660][ T6567]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.947688][ T6567]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.947729][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.947767][ T6567]  gfs2_get_tree+0x51/0x1e0
[  283.947797][ T6567]  vfs_get_tree+0x92/0x2a0
[  283.947826][ T6567]  do_new_mount+0x302/0xa10
[  283.947857][ T6567]  ? apparmor_capable+0x137/0x1a0
[  283.947904][ T6567]  ? __pfx_do_new_mount+0x10/0x10
[  283.947935][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.947966][ T6567]  ? ns_capable+0x8a/0xf0
[  283.947994][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.948026][ T6567]  ? kmem_cache_free+0x197/0x620
[  283.948073][ T6567]  __se_sys_mount+0x313/0x410
[  283.948115][ T6567]  ? __pfx___se_sys_mount+0x10/0x10
[  283.948146][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.948183][ T6567]  ? srso_alias_return_thunk+0x5/0xfbef5
[  283.948213][ T6567]  ? __x64_sys_mount+0x20/0xc0
[  283.948248][ T6567]  do_syscall_64+0xec/0xf80
[  283.948276][ T6567]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.948301][ T6567]  ? trace_irq_disable+0x37/0x100
[  283.948342][ T6567]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.948368][ T6567] RIP: 0033:0x7fafa4f90eea
[  283.948390][ T6567] 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
[  283.948413][ T6567] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.948441][ T6567] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  283.948461][ T6567] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  283.948481][ T6567] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  283.948501][ T6567] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  283.948520][ T6567] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  283.948560][ T6567]  </TASK>
[  283.948659][ T6567] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.310891][ T6567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.823416][ T6571] loop1: detected capacity change from 0 to 32768
[  284.839486][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.846868][ T6571] CPU: 0 UID: 0 PID: 6571 Comm: syz.1.141 Not tainted syzkaller #0 PREEMPT(full) 
[  284.846899][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.846917][ T6571] Call Trace:
[  284.846928][ T6571]  <TASK>
[  284.846938][ T6571]  dump_stack_lvl+0xe8/0x150
[  284.846978][ T6571]  sysfs_create_dir_ns+0x259/0x280
[  284.847007][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.847042][ T6571]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.847079][ T6571]  ? do_raw_spin_unlock+0x122/0x240
[  284.847123][ T6571]  kobject_add_internal+0x6ab/0xcc0
[  284.847167][ T6571]  kobject_init_and_add+0x125/0x190
[  284.847205][ T6571]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.847236][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.847266][ T6571]  ? __raw_spin_lock_init+0x45/0x100
[  284.847303][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.847333][ T6571]  ? __init_swait_queue_head+0xa9/0x150
[  284.847374][ T6571]  gfs2_sys_fs_add+0x234/0x450
[  284.847408][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.847438][ T6571]  ? is_dynamic_key+0x1ac/0x1c0
[  284.847471][ T6571]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.847519][ T6571]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.847573][ T6571]  gfs2_fill_super+0x1388/0x21b0
[  284.847617][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.847641][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.847676][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.847706][ T6571]  ? sb_set_blocksize+0x155/0x240
[  284.847742][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.847773][ T6571]  ? setup_bdev_super+0x4c1/0x5b0
[  284.847803][ T6571]  get_tree_bdev_flags+0x40e/0x4d0
[  284.847829][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.847855][ T6571]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.847880][ T6571]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.847921][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.847960][ T6571]  gfs2_get_tree+0x51/0x1e0
[  284.847988][ T6571]  vfs_get_tree+0x92/0x2a0
[  284.848017][ T6571]  do_new_mount+0x302/0xa10
[  284.848047][ T6571]  ? apparmor_capable+0x137/0x1a0
[  284.848100][ T6571]  ? __pfx_do_new_mount+0x10/0x10
[  284.848131][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.848161][ T6571]  ? ns_capable+0x8a/0xf0
[  284.848189][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.848221][ T6571]  ? kmem_cache_free+0x197/0x620
[  284.848262][ T6571]  __se_sys_mount+0x313/0x410
[  284.848303][ T6571]  ? __pfx___se_sys_mount+0x10/0x10
[  284.848334][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.848371][ T6571]  ? srso_alias_return_thunk+0x5/0xfbef5
[  284.848401][ T6571]  ? __x64_sys_mount+0x20/0xc0
[  284.848437][ T6571]  do_syscall_64+0xec/0xf80
[  284.848465][ T6571]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.848490][ T6571]  ? trace_irq_disable+0x37/0x100
[  284.848533][ T6571]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.848559][ T6571] RIP: 0033:0x7fafa4f90eea
[  284.848581][ T6571] 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
[  284.848603][ T6571] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.848630][ T6571] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  284.848651][ T6571] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  284.848670][ T6571] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  284.848689][ T6571] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  284.848714][ T6571] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  284.848754][ T6571]  </TASK>
[  285.204482][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.218674][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.718297][ T6575] loop1: detected capacity change from 0 to 32768
[  285.732736][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.747618][ T6575] CPU: 1 UID: 0 PID: 6575 Comm: syz.1.142 Not tainted syzkaller #0 PREEMPT(full) 
[  285.747653][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.747671][ T6575] Call Trace:
[  285.747681][ T6575]  <TASK>
[  285.747693][ T6575]  dump_stack_lvl+0xe8/0x150
[  285.747730][ T6575]  sysfs_create_dir_ns+0x259/0x280
[  285.747758][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.747791][ T6575]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.747820][ T6575]  ? do_raw_spin_unlock+0x122/0x240
[  285.747863][ T6575]  kobject_add_internal+0x6ab/0xcc0
[  285.747905][ T6575]  kobject_init_and_add+0x125/0x190
[  285.747942][ T6575]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.747974][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748003][ T6575]  ? __raw_spin_lock_init+0x45/0x100
[  285.748045][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748075][ T6575]  ? __init_swait_queue_head+0xa9/0x150
[  285.748114][ T6575]  gfs2_sys_fs_add+0x234/0x450
[  285.748146][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748175][ T6575]  ? is_dynamic_key+0x1ac/0x1c0
[  285.748202][ T6575]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.748246][ T6575]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.748298][ T6575]  gfs2_fill_super+0x1388/0x21b0
[  285.748342][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.748365][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748400][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748429][ T6575]  ? sb_set_blocksize+0x155/0x240
[  285.748465][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748494][ T6575]  ? setup_bdev_super+0x4c1/0x5b0
[  285.748523][ T6575]  get_tree_bdev_flags+0x40e/0x4d0
[  285.748549][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.748575][ T6575]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.748599][ T6575]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.748640][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748677][ T6575]  gfs2_get_tree+0x51/0x1e0
[  285.748709][ T6575]  vfs_get_tree+0x92/0x2a0
[  285.748740][ T6575]  do_new_mount+0x302/0xa10
[  285.748770][ T6575]  ? apparmor_capable+0x137/0x1a0
[  285.748817][ T6575]  ? __pfx_do_new_mount+0x10/0x10
[  285.748847][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748876][ T6575]  ? ns_capable+0x8a/0xf0
[  285.748904][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.748934][ T6575]  ? kmem_cache_free+0x197/0x620
[  285.748973][ T6575]  __se_sys_mount+0x313/0x410
[  285.749013][ T6575]  ? __pfx___se_sys_mount+0x10/0x10
[  285.749048][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.749085][ T6575]  ? srso_alias_return_thunk+0x5/0xfbef5
[  285.749114][ T6575]  ? __x64_sys_mount+0x20/0xc0
[  285.749149][ T6575]  do_syscall_64+0xec/0xf80
[  285.749175][ T6575]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.749200][ T6575]  ? trace_irq_disable+0x37/0x100
[  285.749241][ T6575]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.749266][ T6575] RIP: 0033:0x7fafa4f90eea
[  285.749288][ T6575] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  285.749310][ T6575] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.749337][ T6575] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  285.749357][ T6575] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  285.749376][ T6575] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  285.749395][ T6575] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  285.749413][ T6575] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  285.749452][ T6575]  </TASK>
[  286.104259][ T6575] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.118268][ T6575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.620956][ T6579] loop1: detected capacity change from 0 to 32768
[  286.649841][ T6579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.657218][ T6579] CPU: 0 UID: 0 PID: 6579 Comm: syz.1.143 Not tainted syzkaller #0 PREEMPT(full) 
[  286.657240][ T6579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.657252][ T6579] Call Trace:
[  286.657260][ T6579]  <TASK>
[  286.657269][ T6579]  dump_stack_lvl+0xe8/0x150
[  286.657297][ T6579]  sysfs_create_dir_ns+0x259/0x280
[  286.657318][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.657342][ T6579]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.657364][ T6579]  ? do_raw_spin_unlock+0x122/0x240
[  286.657395][ T6579]  kobject_add_internal+0x6ab/0xcc0
[  286.657426][ T6579]  kobject_init_and_add+0x125/0x190
[  286.657453][ T6579]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.657480][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.657501][ T6579]  ? __init_swait_queue_head+0xa9/0x150
[  286.657530][ T6579]  gfs2_sys_fs_add+0x234/0x450
[  286.657554][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.657575][ T6579]  ? is_dynamic_key+0x1ac/0x1c0
[  286.657594][ T6579]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.657626][ T6579]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.657665][ T6579]  gfs2_fill_super+0x1388/0x21b0
[  286.657698][ T6579]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.657715][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.657741][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.657762][ T6579]  ? sb_set_blocksize+0x155/0x240
[  286.657791][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.657812][ T6579]  ? setup_bdev_super+0x4c1/0x5b0
[  286.657835][ T6579]  get_tree_bdev_flags+0x40e/0x4d0
[  286.657854][ T6579]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.657872][ T6579]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.657889][ T6579]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.657919][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.657947][ T6579]  gfs2_get_tree+0x51/0x1e0
[  286.657968][ T6579]  vfs_get_tree+0x92/0x2a0
[  286.657989][ T6579]  do_new_mount+0x302/0xa10
[  286.658010][ T6579]  ? apparmor_capable+0x137/0x1a0
[  286.658044][ T6579]  ? __pfx_do_new_mount+0x10/0x10
[  286.658066][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.658087][ T6579]  ? ns_capable+0x8a/0xf0
[  286.658107][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.658129][ T6579]  ? kmem_cache_free+0x197/0x620
[  286.658159][ T6579]  __se_sys_mount+0x313/0x410
[  286.658187][ T6579]  ? __pfx___se_sys_mount+0x10/0x10
[  286.658209][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.658236][ T6579]  ? srso_alias_return_thunk+0x5/0xfbef5
[  286.658257][ T6579]  ? __x64_sys_mount+0x20/0xc0
[  286.658282][ T6579]  do_syscall_64+0xec/0xf80
[  286.658302][ T6579]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.658320][ T6579]  ? trace_irq_disable+0x37/0x100
[  286.658349][ T6579]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.658368][ T6579] RIP: 0033:0x7fafa4f90eea
[  286.658384][ T6579] 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
[  286.658401][ T6579] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.658420][ T6579] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  286.658435][ T6579] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  286.658449][ T6579] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  286.658462][ T6579] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  286.658475][ T6579] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  286.658504][ T6579]  </TASK>
[  286.658525][ T6579] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.010862][ T6579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.614592][ T6583] loop1: detected capacity change from 0 to 32768
[  287.631340][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.642997][ T6583] CPU: 1 UID: 0 PID: 6583 Comm: syz.1.144 Not tainted syzkaller #0 PREEMPT(full) 
[  287.643029][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.643056][ T6583] Call Trace:
[  287.643066][ T6583]  <TASK>
[  287.643077][ T6583]  dump_stack_lvl+0xe8/0x150
[  287.643115][ T6583]  sysfs_create_dir_ns+0x259/0x280
[  287.643144][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.643177][ T6583]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.643207][ T6583]  ? do_raw_spin_unlock+0x122/0x240
[  287.643250][ T6583]  kobject_add_internal+0x6ab/0xcc0
[  287.643293][ T6583]  kobject_init_and_add+0x125/0x190
[  287.643331][ T6583]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.643363][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.643394][ T6583]  ? __raw_spin_lock_init+0x45/0x100
[  287.643434][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.643464][ T6583]  ? __init_swait_queue_head+0xa9/0x150
[  287.643505][ T6583]  gfs2_sys_fs_add+0x234/0x450
[  287.643538][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.643569][ T6583]  ? is_dynamic_key+0x1ac/0x1c0
[  287.643597][ T6583]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.643641][ T6583]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.643695][ T6583]  gfs2_fill_super+0x1388/0x21b0
[  287.643740][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.643763][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.643800][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.643829][ T6583]  ? sb_set_blocksize+0x155/0x240
[  287.643865][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.643895][ T6583]  ? setup_bdev_super+0x4c1/0x5b0
[  287.643926][ T6583]  get_tree_bdev_flags+0x40e/0x4d0
[  287.643953][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.643979][ T6583]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.644003][ T6583]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.644050][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.644090][ T6583]  gfs2_get_tree+0x51/0x1e0
[  287.644118][ T6583]  vfs_get_tree+0x92/0x2a0
[  287.644147][ T6583]  do_new_mount+0x302/0xa10
[  287.644177][ T6583]  ? apparmor_capable+0x137/0x1a0
[  287.644223][ T6583]  ? __pfx_do_new_mount+0x10/0x10
[  287.644255][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.644284][ T6583]  ? ns_capable+0x8a/0xf0
[  287.644313][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.644345][ T6583]  ? kmem_cache_free+0x197/0x620
[  287.644386][ T6583]  __se_sys_mount+0x313/0x410
[  287.644426][ T6583]  ? __pfx___se_sys_mount+0x10/0x10
[  287.644458][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.644495][ T6583]  ? srso_alias_return_thunk+0x5/0xfbef5
[  287.644525][ T6583]  ? __x64_sys_mount+0x20/0xc0
[  287.644560][ T6583]  do_syscall_64+0xec/0xf80
[  287.644587][ T6583]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.644613][ T6583]  ? trace_irq_disable+0x37/0x100
[  287.644656][ T6583]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.644681][ T6583] RIP: 0033:0x7fafa4f90eea
[  287.644704][ T6583] 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
[  287.644726][ T6583] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.644754][ T6583] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  287.644774][ T6583] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  287.644793][ T6583] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  287.644813][ T6583] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  287.644831][ T6583] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  287.644871][ T6583]  </TASK>
[  287.644898][ T6583] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.009846][ T6583] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 09:15:32 executed programs: 130
[  288.548814][ T6587] loop1: detected capacity change from 0 to 32768
[  288.564628][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.576674][ T6587] CPU: 0 UID: 0 PID: 6587 Comm: syz.1.145 Not tainted syzkaller #0 PREEMPT(full) 
[  288.576710][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.576727][ T6587] Call Trace:
[  288.576738][ T6587]  <TASK>
[  288.576749][ T6587]  dump_stack_lvl+0xe8/0x150
[  288.576795][ T6587]  sysfs_create_dir_ns+0x259/0x280
[  288.576824][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.576857][ T6587]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.576887][ T6587]  ? do_raw_spin_unlock+0x122/0x240
[  288.576931][ T6587]  kobject_add_internal+0x6ab/0xcc0
[  288.576973][ T6587]  kobject_init_and_add+0x125/0x190
[  288.577010][ T6587]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.577042][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.577071][ T6587]  ? __raw_spin_lock_init+0x45/0x100
[  288.577109][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.577139][ T6587]  ? __init_swait_queue_head+0xa9/0x150
[  288.577179][ T6587]  gfs2_sys_fs_add+0x234/0x450
[  288.577212][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.577246][ T6587]  ? is_dynamic_key+0x1ac/0x1c0
[  288.577274][ T6587]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.577319][ T6587]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.577372][ T6587]  gfs2_fill_super+0x1388/0x21b0
[  288.577417][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.577441][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.577477][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.577506][ T6587]  ? sb_set_blocksize+0x155/0x240
[  288.577543][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.577572][ T6587]  ? setup_bdev_super+0x4c1/0x5b0
[  288.577603][ T6587]  get_tree_bdev_flags+0x40e/0x4d0
[  288.577628][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.577654][ T6587]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.577678][ T6587]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.577718][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.577756][ T6587]  gfs2_get_tree+0x51/0x1e0
[  288.577785][ T6587]  vfs_get_tree+0x92/0x2a0
[  288.577823][ T6587]  do_new_mount+0x302/0xa10
[  288.577853][ T6587]  ? apparmor_capable+0x137/0x1a0
[  288.577901][ T6587]  ? __pfx_do_new_mount+0x10/0x10
[  288.577933][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.577962][ T6587]  ? ns_capable+0x8a/0xf0
[  288.577990][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.578021][ T6587]  ? kmem_cache_free+0x197/0x620
[  288.578061][ T6587]  __se_sys_mount+0x313/0x410
[  288.578100][ T6587]  ? __pfx___se_sys_mount+0x10/0x10
[  288.578131][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.578169][ T6587]  ? srso_alias_return_thunk+0x5/0xfbef5
[  288.578198][ T6587]  ? __x64_sys_mount+0x20/0xc0
[  288.578234][ T6587]  do_syscall_64+0xec/0xf80
[  288.578260][ T6587]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.578285][ T6587]  ? trace_irq_disable+0x37/0x100
[  288.578327][ T6587]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.578351][ T6587] RIP: 0033:0x7fafa4f90eea
[  288.578374][ T6587] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  288.578396][ T6587] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.578424][ T6587] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  288.578444][ T6587] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  288.578463][ T6587] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  288.578482][ T6587] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  288.578500][ T6587] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  288.578540][ T6587]  </TASK>
[  288.578579][ T6587] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.942584][ T6587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.462485][ T6591] loop1: detected capacity change from 0 to 32768
[  289.487066][ T6591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.495369][ T6591] CPU: 1 UID: 0 PID: 6591 Comm: syz.1.146 Not tainted syzkaller #0 PREEMPT(full) 
[  289.495401][ T6591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.495420][ T6591] Call Trace:
[  289.495430][ T6591]  <TASK>
[  289.495441][ T6591]  dump_stack_lvl+0xe8/0x150
[  289.495480][ T6591]  sysfs_create_dir_ns+0x259/0x280
[  289.495509][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.495544][ T6591]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.495574][ T6591]  ? do_raw_spin_unlock+0x122/0x240
[  289.495611][ T6591]  kobject_add_internal+0x6ab/0xcc0
[  289.495643][ T6591]  kobject_init_and_add+0x125/0x190
[  289.495670][ T6591]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.495693][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.495714][ T6591]  ? __raw_spin_lock_init+0x45/0x100
[  289.495741][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.495763][ T6591]  ? __init_swait_queue_head+0xa9/0x150
[  289.495793][ T6591]  gfs2_sys_fs_add+0x234/0x450
[  289.495817][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.495838][ T6591]  ? is_dynamic_key+0x1ac/0x1c0
[  289.495857][ T6591]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.495890][ T6591]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.495928][ T6591]  gfs2_fill_super+0x1388/0x21b0
[  289.495961][ T6591]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.495978][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.496003][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.496025][ T6591]  ? sb_set_blocksize+0x155/0x240
[  289.496055][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.496076][ T6591]  ? setup_bdev_super+0x4c1/0x5b0
[  289.496098][ T6591]  get_tree_bdev_flags+0x40e/0x4d0
[  289.496117][ T6591]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.496135][ T6591]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.496152][ T6591]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.496182][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.496210][ T6591]  gfs2_get_tree+0x51/0x1e0
[  289.496231][ T6591]  vfs_get_tree+0x92/0x2a0
[  289.496252][ T6591]  do_new_mount+0x302/0xa10
[  289.496274][ T6591]  ? apparmor_capable+0x137/0x1a0
[  289.496307][ T6591]  ? __pfx_do_new_mount+0x10/0x10
[  289.496329][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.496350][ T6591]  ? ns_capable+0x8a/0xf0
[  289.496370][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.496392][ T6591]  ? kmem_cache_free+0x197/0x620
[  289.496421][ T6591]  __se_sys_mount+0x313/0x410
[  289.496450][ T6591]  ? __pfx___se_sys_mount+0x10/0x10
[  289.496472][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.496499][ T6591]  ? srso_alias_return_thunk+0x5/0xfbef5
[  289.496520][ T6591]  ? __x64_sys_mount+0x20/0xc0
[  289.496546][ T6591]  do_syscall_64+0xec/0xf80
[  289.496565][ T6591]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.496583][ T6591]  ? trace_irq_disable+0x37/0x100
[  289.496613][ T6591]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.496631][ T6591] RIP: 0033:0x7fafa4f90eea
[  289.496648][ T6591] 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
[  289.496663][ T6591] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.496683][ T6591] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  289.496699][ T6591] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  289.496713][ T6591] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  289.496727][ T6591] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  289.496739][ T6591] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  289.496769][ T6591]  </TASK>
[  289.497216][ T6591] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.862681][ T6591] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.371642][ T6595] loop1: detected capacity change from 0 to 32768
[  290.386990][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.394539][ T6595] CPU: 0 UID: 0 PID: 6595 Comm: syz.1.147 Not tainted syzkaller #0 PREEMPT(full) 
[  290.394570][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.394587][ T6595] Call Trace:
[  290.394598][ T6595]  <TASK>
[  290.394609][ T6595]  dump_stack_lvl+0xe8/0x150
[  290.394650][ T6595]  sysfs_create_dir_ns+0x259/0x280
[  290.394679][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.394712][ T6595]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.394742][ T6595]  ? do_raw_spin_unlock+0x122/0x240
[  290.394793][ T6595]  kobject_add_internal+0x6ab/0xcc0
[  290.394835][ T6595]  kobject_init_and_add+0x125/0x190
[  290.394872][ T6595]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.394904][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.394934][ T6595]  ? __raw_spin_lock_init+0x45/0x100
[  290.394972][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.395005][ T6595]  ? __init_swait_queue_head+0xa9/0x150
[  290.395047][ T6595]  gfs2_sys_fs_add+0x234/0x450
[  290.395080][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.395110][ T6595]  ? is_dynamic_key+0x1ac/0x1c0
[  290.395137][ T6595]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.395181][ T6595]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.395234][ T6595]  gfs2_fill_super+0x1388/0x21b0
[  290.395279][ T6595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.395302][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.395338][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.395367][ T6595]  ? sb_set_blocksize+0x155/0x240
[  290.395403][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.395432][ T6595]  ? setup_bdev_super+0x4c1/0x5b0
[  290.395463][ T6595]  get_tree_bdev_flags+0x40e/0x4d0
[  290.395489][ T6595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.395514][ T6595]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.395538][ T6595]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.395580][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.395618][ T6595]  gfs2_get_tree+0x51/0x1e0
[  290.395648][ T6595]  vfs_get_tree+0x92/0x2a0
[  290.395678][ T6595]  do_new_mount+0x302/0xa10
[  290.395708][ T6595]  ? apparmor_capable+0x137/0x1a0
[  290.395755][ T6595]  ? __pfx_do_new_mount+0x10/0x10
[  290.395794][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.395824][ T6595]  ? ns_capable+0x8a/0xf0
[  290.395853][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.395884][ T6595]  ? kmem_cache_free+0x197/0x620
[  290.395923][ T6595]  __se_sys_mount+0x313/0x410
[  290.395964][ T6595]  ? __pfx___se_sys_mount+0x10/0x10
[  290.395995][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.396031][ T6595]  ? srso_alias_return_thunk+0x5/0xfbef5
[  290.396060][ T6595]  ? __x64_sys_mount+0x20/0xc0
[  290.396095][ T6595]  do_syscall_64+0xec/0xf80
[  290.396121][ T6595]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.396146][ T6595]  ? trace_irq_disable+0x37/0x100
[  290.396193][ T6595]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.396219][ T6595] RIP: 0033:0x7fafa4f90eea
[  290.396241][ T6595] 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
[  290.396264][ T6595] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.396292][ T6595] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  290.396312][ T6595] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  290.396332][ T6595] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  290.396351][ T6595] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  290.396370][ T6595] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  290.396409][ T6595]  </TASK>
[  290.396525][ T6595] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.759837][ T6595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.300826][ T6599] loop1: detected capacity change from 0 to 32768
[  291.334850][ T6599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.343088][ T6599] CPU: 0 UID: 0 PID: 6599 Comm: syz.1.148 Not tainted syzkaller #0 PREEMPT(full) 
[  291.343119][ T6599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  291.343137][ T6599] Call Trace:
[  291.343147][ T6599]  <TASK>
[  291.343158][ T6599]  dump_stack_lvl+0xe8/0x150
[  291.343195][ T6599]  sysfs_create_dir_ns+0x259/0x280
[  291.343224][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.343256][ T6599]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.343286][ T6599]  ? do_raw_spin_unlock+0x122/0x240
[  291.343328][ T6599]  kobject_add_internal+0x6ab/0xcc0
[  291.343370][ T6599]  kobject_init_and_add+0x125/0x190
[  291.343406][ T6599]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.343437][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.343466][ T6599]  ? __raw_spin_lock_init+0x45/0x100
[  291.343502][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.343531][ T6599]  ? __init_swait_queue_head+0xa9/0x150
[  291.343570][ T6599]  gfs2_sys_fs_add+0x234/0x450
[  291.343602][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.343631][ T6599]  ? is_dynamic_key+0x1ac/0x1c0
[  291.343657][ T6599]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.343700][ T6599]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.343751][ T6599]  gfs2_fill_super+0x1388/0x21b0
[  291.343801][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.343829][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.343864][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.343893][ T6599]  ? sb_set_blocksize+0x155/0x240
[  291.343928][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.343957][ T6599]  ? setup_bdev_super+0x4c1/0x5b0
[  291.343987][ T6599]  get_tree_bdev_flags+0x40e/0x4d0
[  291.344013][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.344038][ T6599]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.344062][ T6599]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.344103][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.344141][ T6599]  gfs2_get_tree+0x51/0x1e0
[  291.344169][ T6599]  vfs_get_tree+0x92/0x2a0
[  291.344198][ T6599]  do_new_mount+0x302/0xa10
[  291.344227][ T6599]  ? apparmor_capable+0x137/0x1a0
[  291.344273][ T6599]  ? __pfx_do_new_mount+0x10/0x10
[  291.344303][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.344332][ T6599]  ? ns_capable+0x8a/0xf0
[  291.344359][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.344390][ T6599]  ? kmem_cache_free+0x197/0x620
[  291.344429][ T6599]  __se_sys_mount+0x313/0x410
[  291.344468][ T6599]  ? __pfx___se_sys_mount+0x10/0x10
[  291.344499][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.344536][ T6599]  ? srso_alias_return_thunk+0x5/0xfbef5
[  291.344565][ T6599]  ? __x64_sys_mount+0x20/0xc0
[  291.344600][ T6599]  do_syscall_64+0xec/0xf80
[  291.344626][ T6599]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.344651][ T6599]  ? trace_irq_disable+0x37/0x100
[  291.344692][ T6599]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.344717][ T6599] RIP: 0033:0x7fafa4f90eea
[  291.344739][ T6599] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  291.344761][ T6599] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.344793][ T6599] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  291.344813][ T6599] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  291.344833][ T6599] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  291.344851][ T6599] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  291.344869][ T6599] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  291.344908][ T6599]  </TASK>
[  291.344997][ T6599] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.707979][ T6599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.229572][ T6603] loop1: detected capacity change from 0 to 32768
[  292.252357][ T6603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.260117][ T6603] CPU: 1 UID: 0 PID: 6603 Comm: syz.1.149 Not tainted syzkaller #0 PREEMPT(full) 
[  292.260148][ T6603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.260165][ T6603] Call Trace:
[  292.260175][ T6603]  <TASK>
[  292.260187][ T6603]  dump_stack_lvl+0xe8/0x150
[  292.260227][ T6603]  sysfs_create_dir_ns+0x259/0x280
[  292.260255][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.260290][ T6603]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.260320][ T6603]  ? do_raw_spin_unlock+0x122/0x240
[  292.260364][ T6603]  kobject_add_internal+0x6ab/0xcc0
[  292.260412][ T6603]  kobject_init_and_add+0x125/0x190
[  292.260451][ T6603]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.260484][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.260515][ T6603]  ? __raw_spin_lock_init+0x45/0x100
[  292.260553][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.260583][ T6603]  ? __init_swait_queue_head+0xa9/0x150
[  292.260624][ T6603]  gfs2_sys_fs_add+0x234/0x450
[  292.260657][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.260687][ T6603]  ? is_dynamic_key+0x1ac/0x1c0
[  292.260714][ T6603]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.260759][ T6603]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.260812][ T6603]  gfs2_fill_super+0x1388/0x21b0
[  292.260857][ T6603]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.260881][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.260917][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.260947][ T6603]  ? sb_set_blocksize+0x155/0x240
[  292.260984][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.261015][ T6603]  ? setup_bdev_super+0x4c1/0x5b0
[  292.261053][ T6603]  get_tree_bdev_flags+0x40e/0x4d0
[  292.261080][ T6603]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.261106][ T6603]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.261131][ T6603]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.261174][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.261212][ T6603]  gfs2_get_tree+0x51/0x1e0
[  292.261242][ T6603]  vfs_get_tree+0x92/0x2a0
[  292.261271][ T6603]  do_new_mount+0x302/0xa10
[  292.261302][ T6603]  ? apparmor_capable+0x137/0x1a0
[  292.261348][ T6603]  ? __pfx_do_new_mount+0x10/0x10
[  292.261379][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.261409][ T6603]  ? ns_capable+0x8a/0xf0
[  292.261436][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.261468][ T6603]  ? kmem_cache_free+0x197/0x620
[  292.261507][ T6603]  __se_sys_mount+0x313/0x410
[  292.261547][ T6603]  ? __pfx___se_sys_mount+0x10/0x10
[  292.261579][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.261617][ T6603]  ? srso_alias_return_thunk+0x5/0xfbef5
[  292.261647][ T6603]  ? __x64_sys_mount+0x20/0xc0
[  292.261683][ T6603]  do_syscall_64+0xec/0xf80
[  292.261712][ T6603]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.261736][ T6603]  ? trace_irq_disable+0x37/0x100
[  292.261779][ T6603]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.261805][ T6603] RIP: 0033:0x7fafa4f90eea
[  292.261828][ T6603] 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
[  292.261851][ T6603] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.261878][ T6603] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  292.261899][ T6603] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  292.261919][ T6603] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  292.261938][ T6603] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  292.261956][ T6603] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  292.261996][ T6603]  </TASK>
[  292.262105][ T6603] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.626937][ T6603] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.142931][ T6607] loop1: detected capacity change from 0 to 32768
[  293.156772][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.172781][ T6607] CPU: 0 UID: 0 PID: 6607 Comm: syz.1.150 Not tainted syzkaller #0 PREEMPT(full) 
[  293.172821][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  293.172838][ T6607] Call Trace:
[  293.172848][ T6607]  <TASK>
[  293.172859][ T6607]  dump_stack_lvl+0xe8/0x150
[  293.172899][ T6607]  sysfs_create_dir_ns+0x259/0x280
[  293.172927][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.172960][ T6607]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.172991][ T6607]  ? do_raw_spin_unlock+0x122/0x240
[  293.173034][ T6607]  kobject_add_internal+0x6ab/0xcc0
[  293.173076][ T6607]  kobject_init_and_add+0x125/0x190
[  293.173113][ T6607]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.173145][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.173174][ T6607]  ? __raw_spin_lock_init+0x45/0x100
[  293.173212][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.173242][ T6607]  ? __init_swait_queue_head+0xa9/0x150
[  293.173283][ T6607]  gfs2_sys_fs_add+0x234/0x450
[  293.173315][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.173344][ T6607]  ? is_dynamic_key+0x1ac/0x1c0
[  293.173372][ T6607]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.173416][ T6607]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.173468][ T6607]  gfs2_fill_super+0x1388/0x21b0
[  293.173512][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.173535][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.173570][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.173600][ T6607]  ? sb_set_blocksize+0x155/0x240
[  293.173636][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.173666][ T6607]  ? setup_bdev_super+0x4c1/0x5b0
[  293.173696][ T6607]  get_tree_bdev_flags+0x40e/0x4d0
[  293.173722][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.173748][ T6607]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.173772][ T6607]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.173820][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.173858][ T6607]  gfs2_get_tree+0x51/0x1e0
[  293.173887][ T6607]  vfs_get_tree+0x92/0x2a0
[  293.173915][ T6607]  do_new_mount+0x302/0xa10
[  293.173945][ T6607]  ? apparmor_capable+0x137/0x1a0
[  293.173992][ T6607]  ? __pfx_do_new_mount+0x10/0x10
[  293.174023][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.174053][ T6607]  ? ns_capable+0x8a/0xf0
[  293.174081][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.174113][ T6607]  ? kmem_cache_free+0x197/0x620
[  293.174153][ T6607]  __se_sys_mount+0x313/0x410
[  293.174193][ T6607]  ? __pfx___se_sys_mount+0x10/0x10
[  293.174224][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.174261][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  293.174290][ T6607]  ? __x64_sys_mount+0x20/0xc0
[  293.174326][ T6607]  do_syscall_64+0xec/0xf80
[  293.174354][ T6607]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.174379][ T6607]  ? trace_irq_disable+0x37/0x100
[  293.174420][ T6607]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.174445][ T6607] RIP: 0033:0x7fafa4f90eea
[  293.174466][ T6607] 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
[  293.174490][ T6607] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.174517][ T6607] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  293.174537][ T6607] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  293.174557][ T6607] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  293.174576][ T6607] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  293.174594][ T6607] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  293.174635][ T6607]  </TASK>
[  293.174663][ T6607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.538365][ T6607] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 09:15:37 executed programs: 136
[  294.058257][ T6611] loop1: detected capacity change from 0 to 32768
[  294.077285][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.087435][ T6611] CPU: 1 UID: 0 PID: 6611 Comm: syz.1.151 Not tainted syzkaller #0 PREEMPT(full) 
[  294.087467][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  294.087487][ T6611] Call Trace:
[  294.087498][ T6611]  <TASK>
[  294.087508][ T6611]  dump_stack_lvl+0xe8/0x150
[  294.087548][ T6611]  sysfs_create_dir_ns+0x259/0x280
[  294.087577][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.087611][ T6611]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  294.087641][ T6611]  ? do_raw_spin_unlock+0x122/0x240
[  294.087684][ T6611]  kobject_add_internal+0x6ab/0xcc0
[  294.087727][ T6611]  kobject_init_and_add+0x125/0x190
[  294.087782][ T6611]  ? __pfx_kobject_init_and_add+0x10/0x10
[  294.087815][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.087854][ T6611]  ? __raw_spin_lock_init+0x45/0x100
[  294.087891][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.087921][ T6611]  ? __init_swait_queue_head+0xa9/0x150
[  294.087961][ T6611]  gfs2_sys_fs_add+0x234/0x450
[  294.087994][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088024][ T6611]  ? is_dynamic_key+0x1ac/0x1c0
[  294.088058][ T6611]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  294.088103][ T6611]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  294.088156][ T6611]  gfs2_fill_super+0x1388/0x21b0
[  294.088202][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.088226][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088263][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088293][ T6611]  ? sb_set_blocksize+0x155/0x240
[  294.088329][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088359][ T6611]  ? setup_bdev_super+0x4c1/0x5b0
[  294.088390][ T6611]  get_tree_bdev_flags+0x40e/0x4d0
[  294.088416][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.088442][ T6611]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.088466][ T6611]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.088507][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088546][ T6611]  gfs2_get_tree+0x51/0x1e0
[  294.088575][ T6611]  vfs_get_tree+0x92/0x2a0
[  294.088606][ T6611]  do_new_mount+0x302/0xa10
[  294.088636][ T6611]  ? apparmor_capable+0x137/0x1a0
[  294.088684][ T6611]  ? __pfx_do_new_mount+0x10/0x10
[  294.088721][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088752][ T6611]  ? ns_capable+0x8a/0xf0
[  294.088780][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088812][ T6611]  ? kmem_cache_free+0x197/0x620
[  294.088853][ T6611]  __se_sys_mount+0x313/0x410
[  294.088895][ T6611]  ? __pfx___se_sys_mount+0x10/0x10
[  294.088926][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088963][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  294.088993][ T6611]  ? __x64_sys_mount+0x20/0xc0
[  294.089029][ T6611]  do_syscall_64+0xec/0xf80
[  294.089064][ T6611]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.089090][ T6611]  ? trace_irq_disable+0x37/0x100
[  294.089132][ T6611]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.089157][ T6611] RIP: 0033:0x7fafa4f90eea
[  294.089179][ T6611] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  294.089202][ T6611] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.089229][ T6611] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  294.089249][ T6611] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  294.089269][ T6611] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  294.089289][ T6611] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  294.089307][ T6611] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  294.089347][ T6611]  </TASK>
[  294.446093][ T6611] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.461885][ T6611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.976156][ T6615] loop1: detected capacity change from 0 to 32768
[  294.999652][ T6615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.007135][ T6615] CPU: 0 UID: 0 PID: 6615 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full) 
[  295.007166][ T6615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.007183][ T6615] Call Trace:
[  295.007194][ T6615]  <TASK>
[  295.007205][ T6615]  dump_stack_lvl+0xe8/0x150
[  295.007243][ T6615]  sysfs_create_dir_ns+0x259/0x280
[  295.007271][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.007304][ T6615]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.007334][ T6615]  ? do_raw_spin_unlock+0x122/0x240
[  295.007377][ T6615]  kobject_add_internal+0x6ab/0xcc0
[  295.007418][ T6615]  kobject_init_and_add+0x125/0x190
[  295.007456][ T6615]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.007487][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.007517][ T6615]  ? __raw_spin_lock_init+0x45/0x100
[  295.007555][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.007585][ T6615]  ? __init_swait_queue_head+0xa9/0x150
[  295.007626][ T6615]  gfs2_sys_fs_add+0x234/0x450
[  295.007660][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.007684][ T6615]  ? is_dynamic_key+0x1ac/0x1c0
[  295.007703][ T6615]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.007736][ T6615]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.007774][ T6615]  gfs2_fill_super+0x1388/0x21b0
[  295.007812][ T6615]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.007829][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.007855][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.007876][ T6615]  ? sb_set_blocksize+0x155/0x240
[  295.007902][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.007923][ T6615]  ? setup_bdev_super+0x4c1/0x5b0
[  295.007945][ T6615]  get_tree_bdev_flags+0x40e/0x4d0
[  295.007963][ T6615]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.007982][ T6615]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.008000][ T6615]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.008029][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.008059][ T6615]  gfs2_get_tree+0x51/0x1e0
[  295.008080][ T6615]  vfs_get_tree+0x92/0x2a0
[  295.008101][ T6615]  do_new_mount+0x302/0xa10
[  295.008122][ T6615]  ? apparmor_capable+0x137/0x1a0
[  295.008156][ T6615]  ? __pfx_do_new_mount+0x10/0x10
[  295.008177][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.008199][ T6615]  ? ns_capable+0x8a/0xf0
[  295.008218][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.008241][ T6615]  ? kmem_cache_free+0x197/0x620
[  295.008270][ T6615]  __se_sys_mount+0x313/0x410
[  295.008299][ T6615]  ? __pfx___se_sys_mount+0x10/0x10
[  295.008321][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.008348][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.008369][ T6615]  ? __x64_sys_mount+0x20/0xc0
[  295.008394][ T6615]  do_syscall_64+0xec/0xf80
[  295.008413][ T6615]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.008431][ T6615]  ? trace_irq_disable+0x37/0x100
[  295.008461][ T6615]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.008480][ T6615] RIP: 0033:0x7fafa4f90eea
[  295.008496][ T6615] 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
[  295.008512][ T6615] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.008532][ T6615] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  295.008547][ T6615] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  295.008560][ T6615] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  295.008574][ T6615] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  295.008587][ T6615] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  295.008616][ T6615]  </TASK>
[  295.008637][ T6615] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.371847][ T6615] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.882963][ T6619] loop1: detected capacity change from 0 to 32768
[  295.902299][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.912946][ T6619] CPU: 0 UID: 0 PID: 6619 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) 
[  295.912974][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.912988][ T6619] Call Trace:
[  295.912998][ T6619]  <TASK>
[  295.913008][ T6619]  dump_stack_lvl+0xe8/0x150
[  295.913043][ T6619]  sysfs_create_dir_ns+0x259/0x280
[  295.913070][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.913104][ T6619]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.913137][ T6619]  ? do_raw_spin_unlock+0x122/0x240
[  295.913181][ T6619]  kobject_add_internal+0x6ab/0xcc0
[  295.913223][ T6619]  kobject_init_and_add+0x125/0x190
[  295.913260][ T6619]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.913292][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.913321][ T6619]  ? __raw_spin_lock_init+0x45/0x100
[  295.913359][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.913389][ T6619]  ? __init_swait_queue_head+0xa9/0x150
[  295.913430][ T6619]  gfs2_sys_fs_add+0x234/0x450
[  295.913463][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.913494][ T6619]  ? is_dynamic_key+0x1ac/0x1c0
[  295.913521][ T6619]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.913566][ T6619]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.913619][ T6619]  gfs2_fill_super+0x1388/0x21b0
[  295.913664][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.913688][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.913723][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.913754][ T6619]  ? sb_set_blocksize+0x155/0x240
[  295.913802][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.913832][ T6619]  ? setup_bdev_super+0x4c1/0x5b0
[  295.913862][ T6619]  get_tree_bdev_flags+0x40e/0x4d0
[  295.913887][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.913914][ T6619]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.913939][ T6619]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.913980][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.914018][ T6619]  gfs2_get_tree+0x51/0x1e0
[  295.914047][ T6619]  vfs_get_tree+0x92/0x2a0
[  295.914077][ T6619]  do_new_mount+0x302/0xa10
[  295.914106][ T6619]  ? apparmor_capable+0x137/0x1a0
[  295.914152][ T6619]  ? __pfx_do_new_mount+0x10/0x10
[  295.914183][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.914213][ T6619]  ? ns_capable+0x8a/0xf0
[  295.914241][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.914273][ T6619]  ? kmem_cache_free+0x197/0x620
[  295.914313][ T6619]  __se_sys_mount+0x313/0x410
[  295.914354][ T6619]  ? __pfx___se_sys_mount+0x10/0x10
[  295.914384][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.914422][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  295.914452][ T6619]  ? __x64_sys_mount+0x20/0xc0
[  295.914487][ T6619]  do_syscall_64+0xec/0xf80
[  295.914514][ T6619]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.914539][ T6619]  ? trace_irq_disable+0x37/0x100
[  295.914581][ T6619]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.914606][ T6619] RIP: 0033:0x7fafa4f90eea
[  295.914628][ T6619] 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
[  295.914651][ T6619] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.914678][ T6619] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  295.914698][ T6619] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  295.914717][ T6619] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  295.914736][ T6619] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  295.914754][ T6619] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  295.914800][ T6619]  </TASK>
[  295.914944][ T6619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.278617][ T6619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.798546][ T6624] loop1: detected capacity change from 0 to 32768
[  296.818415][ T6624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.826450][ T6624] CPU: 1 UID: 0 PID: 6624 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) 
[  296.826484][ T6624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  296.826502][ T6624] Call Trace:
[  296.826512][ T6624]  <TASK>
[  296.826524][ T6624]  dump_stack_lvl+0xe8/0x150
[  296.826561][ T6624]  sysfs_create_dir_ns+0x259/0x280
[  296.826589][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.826622][ T6624]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  296.826653][ T6624]  ? do_raw_spin_unlock+0x122/0x240
[  296.826695][ T6624]  kobject_add_internal+0x6ab/0xcc0
[  296.826737][ T6624]  kobject_init_and_add+0x125/0x190
[  296.826774][ T6624]  ? __pfx_kobject_init_and_add+0x10/0x10
[  296.826806][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.826835][ T6624]  ? __raw_spin_lock_init+0x45/0x100
[  296.826872][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.826901][ T6624]  ? __init_swait_queue_head+0xa9/0x150
[  296.826941][ T6624]  gfs2_sys_fs_add+0x234/0x450
[  296.826973][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827002][ T6624]  ? is_dynamic_key+0x1ac/0x1c0
[  296.827028][ T6624]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  296.827077][ T6624]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  296.827128][ T6624]  gfs2_fill_super+0x1388/0x21b0
[  296.827173][ T6624]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.827195][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827231][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827260][ T6624]  ? sb_set_blocksize+0x155/0x240
[  296.827295][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827324][ T6624]  ? setup_bdev_super+0x4c1/0x5b0
[  296.827354][ T6624]  get_tree_bdev_flags+0x40e/0x4d0
[  296.827379][ T6624]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.827404][ T6624]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  296.827429][ T6624]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  296.827469][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827507][ T6624]  gfs2_get_tree+0x51/0x1e0
[  296.827535][ T6624]  vfs_get_tree+0x92/0x2a0
[  296.827564][ T6624]  do_new_mount+0x302/0xa10
[  296.827593][ T6624]  ? apparmor_capable+0x137/0x1a0
[  296.827638][ T6624]  ? __pfx_do_new_mount+0x10/0x10
[  296.827669][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827697][ T6624]  ? ns_capable+0x8a/0xf0
[  296.827725][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827755][ T6624]  ? kmem_cache_free+0x197/0x620
[  296.827794][ T6624]  __se_sys_mount+0x313/0x410
[  296.827834][ T6624]  ? __pfx___se_sys_mount+0x10/0x10
[  296.827864][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827900][ T6624]  ? srso_alias_return_thunk+0x5/0xfbef5
[  296.827930][ T6624]  ? __x64_sys_mount+0x20/0xc0
[  296.827965][ T6624]  do_syscall_64+0xec/0xf80
[  296.827991][ T6624]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.828016][ T6624]  ? trace_irq_disable+0x37/0x100
[  296.828062][ T6624]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.828087][ T6624] RIP: 0033:0x7fafa4f90eea
[  296.828109][ T6624] 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
[  296.828131][ T6624] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.828159][ T6624] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  296.828180][ T6624] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  296.828200][ T6624] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  296.828219][ T6624] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  296.828238][ T6624] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  296.828278][ T6624]  </TASK>
[  296.828316][ T6624] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.194274][ T6624] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.722935][ T6628] loop1: detected capacity change from 0 to 32768
[  297.742065][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.749595][ T6628] CPU: 1 UID: 0 PID: 6628 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) 
[  297.749626][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  297.749643][ T6628] Call Trace:
[  297.749653][ T6628]  <TASK>
[  297.749664][ T6628]  dump_stack_lvl+0xe8/0x150
[  297.749703][ T6628]  sysfs_create_dir_ns+0x259/0x280
[  297.749731][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.749766][ T6628]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.749796][ T6628]  ? do_raw_spin_unlock+0x122/0x240
[  297.749840][ T6628]  kobject_add_internal+0x6ab/0xcc0
[  297.749885][ T6628]  kobject_init_and_add+0x125/0x190
[  297.749923][ T6628]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.749956][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.749986][ T6628]  ? __raw_spin_lock_init+0x45/0x100
[  297.750024][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.750062][ T6628]  ? __init_swait_queue_head+0xa9/0x150
[  297.750103][ T6628]  gfs2_sys_fs_add+0x234/0x450
[  297.750136][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.750166][ T6628]  ? is_dynamic_key+0x1ac/0x1c0
[  297.750192][ T6628]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.750237][ T6628]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.750290][ T6628]  gfs2_fill_super+0x1388/0x21b0
[  297.750335][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.750359][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.750395][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.750424][ T6628]  ? sb_set_blocksize+0x155/0x240
[  297.750461][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.750490][ T6628]  ? setup_bdev_super+0x4c1/0x5b0
[  297.750521][ T6628]  get_tree_bdev_flags+0x40e/0x4d0
[  297.750547][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.750573][ T6628]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.750598][ T6628]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.750639][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.750677][ T6628]  gfs2_get_tree+0x51/0x1e0
[  297.750706][ T6628]  vfs_get_tree+0x92/0x2a0
[  297.750735][ T6628]  do_new_mount+0x302/0xa10
[  297.750764][ T6628]  ? apparmor_capable+0x137/0x1a0
[  297.750811][ T6628]  ? __pfx_do_new_mount+0x10/0x10
[  297.750842][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.750871][ T6628]  ? ns_capable+0x8a/0xf0
[  297.750901][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.750932][ T6628]  ? kmem_cache_free+0x197/0x620
[  297.750973][ T6628]  __se_sys_mount+0x313/0x410
[  297.751013][ T6628]  ? __pfx___se_sys_mount+0x10/0x10
[  297.751051][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.751088][ T6628]  ? srso_alias_return_thunk+0x5/0xfbef5
[  297.751118][ T6628]  ? __x64_sys_mount+0x20/0xc0
[  297.751155][ T6628]  do_syscall_64+0xec/0xf80
[  297.751182][ T6628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.751207][ T6628]  ? trace_irq_disable+0x37/0x100
[  297.751250][ T6628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.751275][ T6628] RIP: 0033:0x7fafa4f90eea
[  297.751297][ T6628] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  297.751320][ T6628] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.751346][ T6628] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  297.751367][ T6628] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  297.751386][ T6628] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  297.751405][ T6628] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  297.751424][ T6628] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  297.751463][ T6628]  </TASK>
[  297.751490][ T6628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.982904][ T5145] Bluetooth: hci1: command 0x0406 tx timeout
[  297.989283][ T6628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.631101][ T6633] loop1: detected capacity change from 0 to 32768
[  298.669662][ T6633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.677620][ T6633] CPU: 0 UID: 0 PID: 6633 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) 
[  298.677653][ T6633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  298.677670][ T6633] Call Trace:
[  298.677680][ T6633]  <TASK>
[  298.677691][ T6633]  dump_stack_lvl+0xe8/0x150
[  298.677731][ T6633]  sysfs_create_dir_ns+0x259/0x280
[  298.677755][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.677779][ T6633]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  298.677807][ T6633]  ? do_raw_spin_unlock+0x122/0x240
[  298.677838][ T6633]  kobject_add_internal+0x6ab/0xcc0
[  298.677869][ T6633]  kobject_init_and_add+0x125/0x190
[  298.677897][ T6633]  ? __pfx_kobject_init_and_add+0x10/0x10
[  298.677920][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.677941][ T6633]  ? __raw_spin_lock_init+0x45/0x100
[  298.677968][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.677989][ T6633]  ? __init_swait_queue_head+0xa9/0x150
[  298.678018][ T6633]  gfs2_sys_fs_add+0x234/0x450
[  298.678043][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678064][ T6633]  ? is_dynamic_key+0x1ac/0x1c0
[  298.678084][ T6633]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  298.678116][ T6633]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  298.678155][ T6633]  gfs2_fill_super+0x1388/0x21b0
[  298.678187][ T6633]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.678204][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678230][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678251][ T6633]  ? sb_set_blocksize+0x155/0x240
[  298.678278][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678298][ T6633]  ? setup_bdev_super+0x4c1/0x5b0
[  298.678320][ T6633]  get_tree_bdev_flags+0x40e/0x4d0
[  298.678339][ T6633]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.678358][ T6633]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  298.678375][ T6633]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  298.678405][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678433][ T6633]  gfs2_get_tree+0x51/0x1e0
[  298.678454][ T6633]  vfs_get_tree+0x92/0x2a0
[  298.678475][ T6633]  do_new_mount+0x302/0xa10
[  298.678497][ T6633]  ? apparmor_capable+0x137/0x1a0
[  298.678530][ T6633]  ? __pfx_do_new_mount+0x10/0x10
[  298.678553][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678573][ T6633]  ? ns_capable+0x8a/0xf0
[  298.678593][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678616][ T6633]  ? kmem_cache_free+0x197/0x620
[  298.678645][ T6633]  __se_sys_mount+0x313/0x410
[  298.678674][ T6633]  ? __pfx___se_sys_mount+0x10/0x10
[  298.678696][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678733][ T6633]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.678761][ T6633]  ? __x64_sys_mount+0x20/0xc0
[  298.678791][ T6633]  do_syscall_64+0xec/0xf80
[  298.678810][ T6633]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.678829][ T6633]  ? trace_irq_disable+0x37/0x100
[  298.678859][ T6633]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.678877][ T6633] RIP: 0033:0x7fafa4f90eea
[  298.678894][ T6633] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  298.678910][ T6633] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.678930][ T6633] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  298.678945][ T6633] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  298.678958][ T6633] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  298.678972][ T6633] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  298.678985][ T6633] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  298.679014][ T6633]  </TASK>
[  299.032260][ T6633] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.046921][ T6633] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 09:15:43 executed programs: 142
[  299.552611][ T6637] loop1: detected capacity change from 0 to 32768
[  299.583485][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.591388][ T6637] CPU: 0 UID: 0 PID: 6637 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) 
[  299.591420][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.591436][ T6637] Call Trace:
[  299.591447][ T6637]  <TASK>
[  299.591458][ T6637]  dump_stack_lvl+0xe8/0x150
[  299.591496][ T6637]  sysfs_create_dir_ns+0x259/0x280
[  299.591525][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.591558][ T6637]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.591587][ T6637]  ? do_raw_spin_unlock+0x122/0x240
[  299.591630][ T6637]  kobject_add_internal+0x6ab/0xcc0
[  299.591673][ T6637]  kobject_init_and_add+0x125/0x190
[  299.591711][ T6637]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.591743][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.591774][ T6637]  ? __raw_spin_lock_init+0x45/0x100
[  299.591822][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.591852][ T6637]  ? __init_swait_queue_head+0xa9/0x150
[  299.591893][ T6637]  gfs2_sys_fs_add+0x234/0x450
[  299.591926][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.591956][ T6637]  ? is_dynamic_key+0x1ac/0x1c0
[  299.591983][ T6637]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.592027][ T6637]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.592080][ T6637]  gfs2_fill_super+0x1388/0x21b0
[  299.592124][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.592148][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.592183][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.592212][ T6637]  ? sb_set_blocksize+0x155/0x240
[  299.592248][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.592277][ T6637]  ? setup_bdev_super+0x4c1/0x5b0
[  299.592307][ T6637]  get_tree_bdev_flags+0x40e/0x4d0
[  299.592333][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.592360][ T6637]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.592385][ T6637]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.592427][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.592465][ T6637]  gfs2_get_tree+0x51/0x1e0
[  299.592495][ T6637]  vfs_get_tree+0x92/0x2a0
[  299.592524][ T6637]  do_new_mount+0x302/0xa10
[  299.592554][ T6637]  ? apparmor_capable+0x137/0x1a0
[  299.592600][ T6637]  ? __pfx_do_new_mount+0x10/0x10
[  299.592631][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.592661][ T6637]  ? ns_capable+0x8a/0xf0
[  299.592694][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.592738][ T6637]  ? kmem_cache_free+0x197/0x620
[  299.592777][ T6637]  __se_sys_mount+0x313/0x410
[  299.592822][ T6637]  ? __pfx___se_sys_mount+0x10/0x10
[  299.592853][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.592891][ T6637]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.592920][ T6637]  ? __x64_sys_mount+0x20/0xc0
[  299.592956][ T6637]  do_syscall_64+0xec/0xf80
[  299.592985][ T6637]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.593010][ T6637]  ? trace_irq_disable+0x37/0x100
[  299.593052][ T6637]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.593077][ T6637] RIP: 0033:0x7fafa4f90eea
[  299.593099][ T6637] 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
[  299.593122][ T6637] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.593150][ T6637] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  299.593170][ T6637] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  299.593190][ T6637] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  299.593209][ T6637] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  299.593227][ T6637] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  299.593266][ T6637]  </TASK>
[  299.593359][ T6637] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.956051][ T6637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.465775][ T6641] loop1: detected capacity change from 0 to 32768
[  300.484557][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.497489][ T6641] CPU: 0 UID: 0 PID: 6641 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) 
[  300.497520][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.497537][ T6641] Call Trace:
[  300.497548][ T6641]  <TASK>
[  300.497559][ T6641]  dump_stack_lvl+0xe8/0x150
[  300.497597][ T6641]  sysfs_create_dir_ns+0x259/0x280
[  300.497626][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.497658][ T6641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.497688][ T6641]  ? do_raw_spin_unlock+0x122/0x240
[  300.497732][ T6641]  kobject_add_internal+0x6ab/0xcc0
[  300.497775][ T6641]  kobject_init_and_add+0x125/0x190
[  300.497821][ T6641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.497854][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.497883][ T6641]  ? __raw_spin_lock_init+0x45/0x100
[  300.497920][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.497949][ T6641]  ? __init_swait_queue_head+0xa9/0x150
[  300.497989][ T6641]  gfs2_sys_fs_add+0x234/0x450
[  300.498021][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498051][ T6641]  ? is_dynamic_key+0x1ac/0x1c0
[  300.498078][ T6641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.498123][ T6641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.498175][ T6641]  gfs2_fill_super+0x1388/0x21b0
[  300.498220][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.498243][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498279][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498308][ T6641]  ? sb_set_blocksize+0x155/0x240
[  300.498343][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498372][ T6641]  ? setup_bdev_super+0x4c1/0x5b0
[  300.498402][ T6641]  get_tree_bdev_flags+0x40e/0x4d0
[  300.498428][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.498455][ T6641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.498479][ T6641]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.498520][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498557][ T6641]  gfs2_get_tree+0x51/0x1e0
[  300.498587][ T6641]  vfs_get_tree+0x92/0x2a0
[  300.498615][ T6641]  do_new_mount+0x302/0xa10
[  300.498646][ T6641]  ? apparmor_capable+0x137/0x1a0
[  300.498691][ T6641]  ? __pfx_do_new_mount+0x10/0x10
[  300.498728][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498759][ T6641]  ? ns_capable+0x8a/0xf0
[  300.498787][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498825][ T6641]  ? kmem_cache_free+0x197/0x620
[  300.498864][ T6641]  __se_sys_mount+0x313/0x410
[  300.498903][ T6641]  ? __pfx___se_sys_mount+0x10/0x10
[  300.498933][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498970][ T6641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.498999][ T6641]  ? __x64_sys_mount+0x20/0xc0
[  300.499033][ T6641]  do_syscall_64+0xec/0xf80
[  300.499060][ T6641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.499084][ T6641]  ? trace_irq_disable+0x37/0x100
[  300.499125][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.499150][ T6641] RIP: 0033:0x7fafa4f90eea
[  300.499171][ T6641] 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
[  300.499193][ T6641] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.499220][ T6641] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  300.499240][ T6641] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  300.499259][ T6641] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  300.499278][ T6641] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  300.499295][ T6641] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  300.499334][ T6641]  </TASK>
[  300.848606][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.862756][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.353559][ T6645] loop1: detected capacity change from 0 to 32768
[  301.372286][ T6645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.380129][ T6645] CPU: 1 UID: 0 PID: 6645 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  301.380161][ T6645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  301.380178][ T6645] Call Trace:
[  301.380189][ T6645]  <TASK>
[  301.380200][ T6645]  dump_stack_lvl+0xe8/0x150
[  301.380239][ T6645]  sysfs_create_dir_ns+0x259/0x280
[  301.380268][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.380303][ T6645]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.380333][ T6645]  ? do_raw_spin_unlock+0x122/0x240
[  301.380377][ T6645]  kobject_add_internal+0x6ab/0xcc0
[  301.380420][ T6645]  kobject_init_and_add+0x125/0x190
[  301.380458][ T6645]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.380490][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.380519][ T6645]  ? __raw_spin_lock_init+0x45/0x100
[  301.380557][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.380587][ T6645]  ? __init_swait_queue_head+0xa9/0x150
[  301.380627][ T6645]  gfs2_sys_fs_add+0x234/0x450
[  301.380661][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.380691][ T6645]  ? is_dynamic_key+0x1ac/0x1c0
[  301.380720][ T6645]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.380765][ T6645]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.380818][ T6645]  gfs2_fill_super+0x1388/0x21b0
[  301.380863][ T6645]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.380887][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.380923][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.380953][ T6645]  ? sb_set_blocksize+0x155/0x240
[  301.380990][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.381019][ T6645]  ? setup_bdev_super+0x4c1/0x5b0
[  301.381056][ T6645]  get_tree_bdev_flags+0x40e/0x4d0
[  301.381082][ T6645]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.381109][ T6645]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.381133][ T6645]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.381175][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.381213][ T6645]  gfs2_get_tree+0x51/0x1e0
[  301.381242][ T6645]  vfs_get_tree+0x92/0x2a0
[  301.381271][ T6645]  do_new_mount+0x302/0xa10
[  301.381302][ T6645]  ? apparmor_capable+0x137/0x1a0
[  301.381349][ T6645]  ? __pfx_do_new_mount+0x10/0x10
[  301.381381][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.381411][ T6645]  ? ns_capable+0x8a/0xf0
[  301.381439][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.381471][ T6645]  ? kmem_cache_free+0x197/0x620
[  301.381512][ T6645]  __se_sys_mount+0x313/0x410
[  301.381552][ T6645]  ? __pfx___se_sys_mount+0x10/0x10
[  301.381582][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.381621][ T6645]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.381650][ T6645]  ? __x64_sys_mount+0x20/0xc0
[  301.381685][ T6645]  do_syscall_64+0xec/0xf80
[  301.381712][ T6645]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.381737][ T6645]  ? trace_irq_disable+0x37/0x100
[  301.381779][ T6645]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.381805][ T6645] RIP: 0033:0x7fafa4f90eea
[  301.381827][ T6645] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  301.381850][ T6645] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.381878][ T6645] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  301.381900][ T6645] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  301.381920][ T6645] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  301.381940][ T6645] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  301.381958][ T6645] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  301.381998][ T6645]  </TASK>
[  301.382025][ T6645] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.746680][ T6645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.258268][ T6649] loop1: detected capacity change from 0 to 32768
[  302.282627][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.290398][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) 
[  302.290430][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  302.290450][ T6649] Call Trace:
[  302.290460][ T6649]  <TASK>
[  302.290472][ T6649]  dump_stack_lvl+0xe8/0x150
[  302.290510][ T6649]  sysfs_create_dir_ns+0x259/0x280
[  302.290539][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.290573][ T6649]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.290603][ T6649]  ? do_raw_spin_unlock+0x122/0x240
[  302.290646][ T6649]  kobject_add_internal+0x6ab/0xcc0
[  302.290689][ T6649]  kobject_init_and_add+0x125/0x190
[  302.290727][ T6649]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.290759][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.290789][ T6649]  ? __raw_spin_lock_init+0x45/0x100
[  302.290826][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.290857][ T6649]  ? __init_swait_queue_head+0xa9/0x150
[  302.290897][ T6649]  gfs2_sys_fs_add+0x234/0x450
[  302.290929][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.290959][ T6649]  ? is_dynamic_key+0x1ac/0x1c0
[  302.290986][ T6649]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.291030][ T6649]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.291088][ T6649]  gfs2_fill_super+0x1388/0x21b0
[  302.291132][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.291156][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.291192][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.291221][ T6649]  ? sb_set_blocksize+0x155/0x240
[  302.291257][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.291286][ T6649]  ? setup_bdev_super+0x4c1/0x5b0
[  302.291317][ T6649]  get_tree_bdev_flags+0x40e/0x4d0
[  302.291343][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.291370][ T6649]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.291394][ T6649]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.291435][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.291473][ T6649]  gfs2_get_tree+0x51/0x1e0
[  302.291502][ T6649]  vfs_get_tree+0x92/0x2a0
[  302.291530][ T6649]  do_new_mount+0x302/0xa10
[  302.291560][ T6649]  ? apparmor_capable+0x137/0x1a0
[  302.291607][ T6649]  ? __pfx_do_new_mount+0x10/0x10
[  302.291637][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.291667][ T6649]  ? ns_capable+0x8a/0xf0
[  302.291695][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.291727][ T6649]  ? kmem_cache_free+0x197/0x620
[  302.291766][ T6649]  __se_sys_mount+0x313/0x410
[  302.291806][ T6649]  ? __pfx___se_sys_mount+0x10/0x10
[  302.291837][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.291874][ T6649]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.291904][ T6649]  ? __x64_sys_mount+0x20/0xc0
[  302.291939][ T6649]  do_syscall_64+0xec/0xf80
[  302.291966][ T6649]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.291991][ T6649]  ? trace_irq_disable+0x37/0x100
[  302.292032][ T6649]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.292063][ T6649] RIP: 0033:0x7fafa4f90eea
[  302.292085][ T6649] 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
[  302.292109][ T6649] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.292136][ T6649] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  302.292156][ T6649] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  302.292175][ T6649] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  302.292195][ T6649] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  302.292213][ T6649] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  302.292253][ T6649]  </TASK>
[  302.292850][ T6649] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.656472][ T6649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.165636][ T6653] loop1: detected capacity change from 0 to 32768
[  303.187857][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.195753][ T6653] CPU: 1 UID: 0 PID: 6653 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) 
[  303.195790][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  303.195807][ T6653] Call Trace:
[  303.195817][ T6653]  <TASK>
[  303.195828][ T6653]  dump_stack_lvl+0xe8/0x150
[  303.195865][ T6653]  sysfs_create_dir_ns+0x259/0x280
[  303.195893][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.195926][ T6653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.195955][ T6653]  ? do_raw_spin_unlock+0x122/0x240
[  303.195997][ T6653]  kobject_add_internal+0x6ab/0xcc0
[  303.196038][ T6653]  kobject_init_and_add+0x125/0x190
[  303.196075][ T6653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.196106][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.196136][ T6653]  ? __raw_spin_lock_init+0x45/0x100
[  303.196172][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.196202][ T6653]  ? __init_swait_queue_head+0xa9/0x150
[  303.196241][ T6653]  gfs2_sys_fs_add+0x234/0x450
[  303.196273][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.196302][ T6653]  ? is_dynamic_key+0x1ac/0x1c0
[  303.196328][ T6653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.196372][ T6653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.196423][ T6653]  gfs2_fill_super+0x1388/0x21b0
[  303.196467][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.196490][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.196524][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.196553][ T6653]  ? sb_set_blocksize+0x155/0x240
[  303.196588][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.196616][ T6653]  ? setup_bdev_super+0x4c1/0x5b0
[  303.196646][ T6653]  get_tree_bdev_flags+0x40e/0x4d0
[  303.196671][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.196701][ T6653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.196724][ T6653]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.196765][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.196807][ T6653]  gfs2_get_tree+0x51/0x1e0
[  303.196835][ T6653]  vfs_get_tree+0x92/0x2a0
[  303.196864][ T6653]  do_new_mount+0x302/0xa10
[  303.196893][ T6653]  ? apparmor_capable+0x137/0x1a0
[  303.196938][ T6653]  ? __pfx_do_new_mount+0x10/0x10
[  303.196967][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.196996][ T6653]  ? ns_capable+0x8a/0xf0
[  303.197023][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.197054][ T6653]  ? kmem_cache_free+0x197/0x620
[  303.197093][ T6653]  __se_sys_mount+0x313/0x410
[  303.197131][ T6653]  ? __pfx___se_sys_mount+0x10/0x10
[  303.197161][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.197198][ T6653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.197226][ T6653]  ? __x64_sys_mount+0x20/0xc0
[  303.197261][ T6653]  do_syscall_64+0xec/0xf80
[  303.197287][ T6653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.197311][ T6653]  ? trace_irq_disable+0x37/0x100
[  303.197352][ T6653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.197377][ T6653] RIP: 0033:0x7fafa4f90eea
[  303.197398][ T6653] 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
[  303.197421][ T6653] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.197448][ T6653] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  303.197468][ T6653] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  303.197487][ T6653] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  303.197505][ T6653] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  303.197523][ T6653] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  303.197562][ T6653]  </TASK>
[  303.197588][ T6653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.562889][ T6653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.087006][ T6657] loop1: detected capacity change from 0 to 32768
[  304.119842][ T6657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.127258][ T6657] CPU: 1 UID: 0 PID: 6657 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) 
[  304.127280][ T6657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.127293][ T6657] Call Trace:
[  304.127301][ T6657]  <TASK>
[  304.127310][ T6657]  dump_stack_lvl+0xe8/0x150
[  304.127340][ T6657]  sysfs_create_dir_ns+0x259/0x280
[  304.127361][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.127385][ T6657]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.127407][ T6657]  ? do_raw_spin_unlock+0x122/0x240
[  304.127439][ T6657]  kobject_add_internal+0x6ab/0xcc0
[  304.127470][ T6657]  kobject_init_and_add+0x125/0x190
[  304.127497][ T6657]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.127520][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.127542][ T6657]  ? __raw_spin_lock_init+0x45/0x100
[  304.127573][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.127594][ T6657]  ? __init_swait_queue_head+0xa9/0x150
[  304.127623][ T6657]  gfs2_sys_fs_add+0x234/0x450
[  304.127647][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.127668][ T6657]  ? is_dynamic_key+0x1ac/0x1c0
[  304.127689][ T6657]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.127721][ T6657]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.127764][ T6657]  gfs2_fill_super+0x1388/0x21b0
[  304.127801][ T6657]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.127818][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.127844][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.127865][ T6657]  ? sb_set_blocksize+0x155/0x240
[  304.127891][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.127912][ T6657]  ? setup_bdev_super+0x4c1/0x5b0
[  304.127933][ T6657]  get_tree_bdev_flags+0x40e/0x4d0
[  304.127952][ T6657]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.127971][ T6657]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.127988][ T6657]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.128020][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.128048][ T6657]  gfs2_get_tree+0x51/0x1e0
[  304.128068][ T6657]  vfs_get_tree+0x92/0x2a0
[  304.128090][ T6657]  do_new_mount+0x302/0xa10
[  304.128111][ T6657]  ? apparmor_capable+0x137/0x1a0
[  304.128146][ T6657]  ? __pfx_do_new_mount+0x10/0x10
[  304.128168][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.128189][ T6657]  ? ns_capable+0x8a/0xf0
[  304.128209][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.128232][ T6657]  ? kmem_cache_free+0x197/0x620
[  304.128261][ T6657]  __se_sys_mount+0x313/0x410
[  304.128289][ T6657]  ? __pfx___se_sys_mount+0x10/0x10
[  304.128311][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.128338][ T6657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.128360][ T6657]  ? __x64_sys_mount+0x20/0xc0
[  304.128385][ T6657]  do_syscall_64+0xec/0xf80
[  304.128404][ T6657]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.128425][ T6657]  ? trace_irq_disable+0x37/0x100
[  304.128456][ T6657]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.128475][ T6657] RIP: 0033:0x7fafa4f90eea
[  304.128491][ T6657] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  304.128509][ T6657] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.128529][ T6657] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  304.128543][ T6657] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  304.128557][ T6657] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  304.128571][ T6657] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  304.128584][ T6657] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  304.128613][ T6657]  </TASK>
[  304.128660][ T6657] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.494114][ T6657] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 09:15:48 executed programs: 148
[  304.858909][   T32] INFO: task syz-executor:5956 blocked for more than 143 seconds.
[  304.868763][   T32]       Not tainted syzkaller #0
[  304.873698][   T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  304.898163][   T32] task:syz-executor    state:D stack:21592 pid:5956  tgid:5956  ppid:1      task_flags:0x400140 flags:0x00080002
[  304.910459][   T32] Call Trace:
[  304.913749][   T32]  <TASK>
[  304.916682][   T32]  __schedule+0x149b/0x4fd0
[  304.921623][   T32]  ? __pfx___schedule+0x10/0x10
[  304.926508][   T32]  ? schedule+0x91/0x360
[  304.931073][   T32]  schedule+0x165/0x360
[  304.935257][   T32]  bit_wait+0x11/0xd0
[  304.939573][   T32]  __wait_on_bit+0xb9/0x310
[  304.944093][   T32]  ? __pfx_bit_wait+0x10/0x10
[  304.949129][   T32]  ? __pfx_bit_wait+0x10/0x10
[  304.953817][   T32]  out_of_line_wait_on_bit+0x123/0x170
[  304.959656][   T32]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  304.965655][   T32]  ? __pfx_wake_bit_function+0x10/0x10
[  304.971502][   T32]  gfs2_glock_wait+0xbd/0x2a0
[  304.976195][   T32]  __gfs2_lookup+0x117/0x270
[  304.981150][   T32]  ? __pfx___gfs2_lookup+0x10/0x10
[  304.986282][   T32]  ? __lookup_slow+0x297/0x3d0
[  304.991665][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.997316][   T32]  ? __raw_spin_lock_init+0x45/0x100
[  305.002958][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.008603][   T32]  ? __init_waitqueue_head+0xa9/0x150
[  305.014324][   T32]  __lookup_slow+0x297/0x3d0
[  305.020670][   T32]  ? __pfx___lookup_slow+0x10/0x10
[  305.025818][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.031850][   T32]  ? down_read+0x274/0x2e0
[  305.036284][   T32]  lookup_slow+0x53/0x70
[  305.040879][   T32]  path_lookupat+0x3f5/0x8c0
[  305.045503][   T32]  filename_lookup+0x212/0x570
[  305.050609][   T32]  ? __pfx_filename_lookup+0x10/0x10
[  305.055906][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.057161][ T6661] loop1: detected capacity change from 0 to 32768
[  305.062028][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.082223][   T32]  ? strncpy_from_user+0x150/0x2c0
[  305.087801][   T32]  ? getname_flags+0x1e5/0x540
[  305.093344][   T32]  user_path_at+0x3a/0x60
[  305.093705][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.098040][ T6661] CPU: 1 UID: 0 PID: 6661 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  305.098068][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.098084][ T6661] Call Trace:
[  305.098094][ T6661]  <TASK>
[  305.098105][ T6661]  dump_stack_lvl+0xe8/0x150
[  305.098140][ T6661]  sysfs_create_dir_ns+0x259/0x280
[  305.098167][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.098198][ T6661]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  305.098227][ T6661]  ? do_raw_spin_unlock+0x122/0x240
[  305.098268][ T6661]  kobject_add_internal+0x6ab/0xcc0
[  305.098308][ T6661]  kobject_init_and_add+0x125/0x190
[  305.098349][ T6661]  ? __pfx_kobject_init_and_add+0x10/0x10
[  305.098380][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.098409][ T6661]  ? __raw_spin_lock_init+0x45/0x100
[  305.098446][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.098474][ T6661]  ? __init_swait_queue_head+0xa9/0x150
[  305.098513][ T6661]  gfs2_sys_fs_add+0x234/0x450
[  305.098544][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.098572][ T6661]  ? is_dynamic_key+0x1ac/0x1c0
[  305.098599][ T6661]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  305.098642][ T6661]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  305.098693][ T6661]  gfs2_fill_super+0x1388/0x21b0
[  305.098737][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.098760][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.098795][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.098824][ T6661]  ? sb_set_blocksize+0x155/0x240
[  305.098859][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.098887][ T6661]  ? setup_bdev_super+0x4c1/0x5b0
[  305.098917][ T6661]  get_tree_bdev_flags+0x40e/0x4d0
[  305.098943][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.098969][ T6661]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  305.098993][ T6661]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  305.099039][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.099077][ T6661]  gfs2_get_tree+0x51/0x1e0
[  305.099106][ T6661]  vfs_get_tree+0x92/0x2a0
[  305.099135][ T6661]  do_new_mount+0x302/0xa10
[  305.099164][ T6661]  ? apparmor_capable+0x137/0x1a0
[  305.099209][ T6661]  ? __pfx_do_new_mount+0x10/0x10
[  305.099239][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.099268][ T6661]  ? ns_capable+0x8a/0xf0
[  305.099296][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.099326][ T6661]  ? kmem_cache_free+0x197/0x620
[  305.099365][ T6661]  __se_sys_mount+0x313/0x410
[  305.099404][ T6661]  ? __pfx___se_sys_mount+0x10/0x10
[  305.099434][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.099471][ T6661]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.099499][ T6661]  ? __x64_sys_mount+0x20/0xc0
[  305.099534][ T6661]  do_syscall_64+0xec/0xf80
[  305.099560][ T6661]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.099585][ T6661]  ? trace_irq_disable+0x37/0x100
[  305.099626][ T6661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.099651][ T6661] RIP: 0033:0x7fafa4f90eea
[  305.099673][ T6661] 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
[  305.099695][ T6661] RSP: 002b:00007ffccd5670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.099722][ T6661] RAX: ffffffffffffffda RBX: 00007ffccd567150 RCX: 00007fafa4f90eea
[  305.099741][ T6661] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffccd567110
[  305.099761][ T6661] RBP: 0000200000037f40 R08: 00007ffccd567150 R09: 0000000001010084
[  305.099778][ T6661] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[  305.099795][ T6661] R13: 00007ffccd567110 R14: 0000000000037f14 R15: 0000200000000480
[  305.099834][ T6661]  </TASK>
[  305.106123][ T6661] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  305.119814][   T32]  __x64_sys_umount+0xee/0x160
[  305.168822][ T6661] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.173322][   T32]  ? __pfx___x64_sys_umount+0x10/0x10
[  305.484860][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.490576][   T32]  do_syscall_64+0xec/0xf80
[  305.495154][   T32]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.501614][   T32]  ? trace_irq_disable+0x37/0x100
[  305.506733][   T32]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.512681][   T32] RIP: 0033:0x7f9a50f90a77
[  305.517170][   T32] RSP: 002b:00007ffc52af5328 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  305.525640][   T32] RAX: ffffffffffffffda RBX: 00007f9a51013d7d RCX: 00007f9a50f90a77
[  305.533718][   T32] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc52af53e0
[  305.541802][   T32] RBP: 00007ffc52af53e0 R08: 0000000000000000 R09: 0000000000000000
[  305.575896][   T32] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc52af64d0
[  305.584238][   T32] R13: 00007f9a51013d7d R14: 0000000000025d6b R15: 00007ffc52af8690
[  305.592659][   T32]  </TASK>
[  305.600300][   T32] 
[  305.600300][   T32] Showing all locks held in the system:
[  305.627106][   T32] 1 lock held by khungtaskd/32:
[  305.632448][   T32]  #0: ffffffff8df41aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  305.642603][   T32] 2 locks held by getty/5586:
[  305.647275][   T32]  #0: ffff88802fd2e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  305.657431][   T32]  #1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460
[  305.667866][   T32] 1 lock held by syz-executor/5956:
[  305.673294][   T32]  #0: ffff888061e59528 (&type->i_mutex_dir_key#9){++++}-{4:4}, at: lookup_slow+0x46/0x70
[  305.684051][   T32] 4 locks held by syz.1.164/6665:
[  305.689302][   T32] 
[  305.691623][   T32] =============================================
[  305.691623][   T32] 
[  305.700964][   T32] NMI backtrace for cpu 1
[  305.700983][   T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  305.701012][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.701029][   T32] Call Trace:
[  305.701047][   T32]  <TASK>
[  305.701058][   T32]  dump_stack_lvl+0xe8/0x150
[  305.701094][   T32]  nmi_cpu_backtrace+0x274/0x2d0
[  305.701130][   T32]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  305.701176][   T32]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  305.701216][   T32]  sys_info+0x135/0x170
[  305.701246][   T32]  watchdog+0xf95/0xfe0
[  305.701288][   T32]  ? watchdog+0x20a/0xfe0
[  305.701334][   T32]  kthread+0x711/0x8a0
[  305.701372][   T32]  ? __pfx_watchdog+0x10/0x10
[  305.701408][   T32]  ? __pfx_kthread+0x10/0x10
[  305.701439][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.701476][   T32]  ? _raw_spin_unlock_irq+0x23/0x50
[  305.701515][   T32]  ? __pfx_kthread+0x10/0x10
[  305.701551][   T32]  ret_from_fork+0x510/0xa50
[  305.701580][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  305.701602][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.701632][   T32]  ? __switch_to+0xc9e/0x1480
[  305.701674][   T32]  ? __pfx_kthread+0x10/0x10
[  305.701709][   T32]  ret_from_fork_asm+0x1a/0x30
[  305.701764][   T32]  </TASK>
[  305.701774][   T32] Sending NMI from CPU 1 to CPUs 0:
[  305.833792][    C0] NMI backtrace for cpu 0
[  305.833811][    C0] CPU: 0 UID: 0 PID: 6622 Comm: kworker/0:6 Not tainted syzkaller #0 PREEMPT(full) 
[  305.833837][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.833853][    C0] Workqueue: events_power_efficient wg_ratelimiter_gc_entries
[  305.833888][    C0] RIP: 0010:lock_release+0x96/0x3b0
[  305.833913][    C0] Code: 02 00 00 65 4c 8b 3c 25 08 f0 7f 92 41 83 bf 2c 0b 00 00 00 0f 85 f7 01 00 00 49 81 3e c0 a3 43 93 0f 84 ea 01 00 00 9c 5b fa <48> c7 c7 5b 68 7a 8d e8 0e 8d bb 09 65 ff 05 27 16 e2 10 c7 44 24
[  305.833932][    C0] RSP: 0018:ffffc9000b6bf9b0 EFLAGS: 00000087
[  305.833951][    C0] RAX: 0000000000000000 RBX: 0000000000000287 RCX: 0000000080000002
[  305.833966][    C0] RDX: 0000000000000000 RSI: ffffffff8bc083c0 RDI: ffffffff8bc08380
[  305.833983][    C0] RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
[  305.833998][    C0] R10: dffffc0000000000 R11: fffff520016d7f34 R12: ffff888075c4e4e0
[  305.834016][    C0] R13: ffffffff86400074 R14: ffffffff8ea6cd78 R15: ffff888034228000
[  305.834036][    C0] FS:  0000000000000000(0000) GS:ffff888125e21000(0000) knlGS:0000000000000000
[  305.834055][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  305.834071][    C0] CR2: 00007faf9cfff000 CR3: 000000007df3d000 CR4: 0000000000350ef0
[  305.834089][    C0] Call Trace:
[  305.834098][    C0]  <TASK>
[  305.834114][    C0]  _raw_spin_unlock+0x16/0x50
[  305.834148][    C0]  wg_ratelimiter_gc_entries+0x384/0x450
[  305.834180][    C0]  ? process_scheduled_works+0x9ef/0x1770
[  305.834205][    C0]  process_scheduled_works+0xad1/0x1770
[  305.834248][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  305.834270][    C0]  ? do_raw_spin_lock+0x121/0x290
[  305.834307][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.834341][    C0]  worker_thread+0x8a0/0xda0
[  305.834366][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.834398][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.834425][    C0]  ? __kthread_parkme+0x7b/0x200
[  305.834458][    C0]  kthread+0x711/0x8a0
[  305.834490][    C0]  ? __pfx_worker_thread+0x10/0x10
[  305.834514][    C0]  ? __pfx_kthread+0x10/0x10
[  305.834541][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.834571][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  305.834605][    C0]  ? __pfx_kthread+0x10/0x10
[  305.834635][    C0]  ret_from_fork+0x510/0xa50
[  305.834659][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  305.834679][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.834706][    C0]  ? __switch_to+0xc9e/0x1480
[  305.834740][    C0]  ? __pfx_kthread+0x10/0x10
[  305.834771][    C0]  ret_from_fork_asm+0x1a/0x30
[  305.834820][    C0]  </TASK>
[  305.917503][ T6665] loop1: detected capacity change from 0 to 32768
[  305.922854][   T32] Kernel panic - not syncing: hung_task: blocked tasks
[  305.922875][   T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  305.922904][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.922922][   T32] Call Trace:
[  305.922934][   T32]  <TASK>
[  305.922946][   T32]  vpanic+0x1e0/0x670
[  305.922985][   T32]  panic+0xb9/0xc0
[  305.923018][   T32]  ? __pfx_panic+0x10/0x10
[  305.923052][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.923086][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.923116][   T32]  ? preempt_schedule_thunk+0x16/0x30
[  305.923148][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.923178][   T32]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  305.923220][   T32]  watchdog+0xfdf/0xfe0
[  305.923263][   T32]  ? watchdog+0x20a/0xfe0
[  305.923308][   T32]  kthread+0x711/0x8a0
[  305.923346][   T32]  ? __pfx_watchdog+0x10/0x10
[  305.923382][   T32]  ? __pfx_kthread+0x10/0x10
[  305.923413][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.923449][   T32]  ? _raw_spin_unlock_irq+0x23/0x50
[  305.923488][   T32]  ? __pfx_kthread+0x10/0x10
[  305.923524][   T32]  ret_from_fork+0x510/0xa50
[  305.923553][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  305.923577][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.923607][   T32]  ? __switch_to+0xc9e/0x1480
[  305.923648][   T32]  ? __pfx_kthread+0x10/0x10
[  305.923684][   T32]  ret_from_fork_asm+0x1a/0x30
[  305.923738][   T32]  </TASK>
[  305.930638][   T32] Kernel Offset: disabled