+0x8a/0xf0
[  241.139288][ T7044]  ? kmem_cache_free+0x19b/0x690
[  241.139322][ T7044]  __se_sys_mount+0x313/0x410
[  241.139351][ T7044]  ? __pfx___se_sys_mount+0x10/0x10
[  241.139380][ T7044]  ? do_syscall_64+0xbe/0xfa0
[  241.139400][ T7044]  ? __x64_sys_mount+0x20/0xc0
[  241.139426][ T7044]  do_syscall_64+0xfa/0xfa0
[  241.139446][ T7044]  ? lockdep_hardirqs_on+0x9c/0x150
[  241.139468][ T7044]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.139488][ T7044]  ? clear_bhb_loop+0x60/0xb0
[  241.139511][ T7044]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.139529][ T7044] RIP: 0033:0x7f499779038a
[  241.139547][ T7044] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.139565][ T7044] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.139585][ T7044] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  241.139600][ T7044] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  241.139615][ T7044] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  241.139629][ T7044] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.139643][ T7044] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  241.139674][ T7044]  </TASK>
[  241.139718][ T7044] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.470375][ T7044] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.799211][ T7048] loop1: detected capacity change from 0 to 32768
[  241.812959][ T7048] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.820869][ T7048] CPU: 0 UID: 0 PID: 7048 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full) 
[  241.820894][ T7048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  241.820907][ T7048] Call Trace:
[  241.820916][ T7048]  <TASK>
[  241.820924][ T7048]  dump_stack_lvl+0x189/0x250
[  241.820957][ T7048]  ? __pfx_dump_stack_lvl+0x10/0x10
[  241.820982][ T7048]  ? __pfx__printk+0x10/0x10
[  241.821017][ T7048]  ? kernfs_path_from_node+0x250/0x290
[  241.821037][ T7048]  ? kernfs_path_from_node+0x2f/0x290
[  241.821061][ T7048]  sysfs_create_dir_ns+0x259/0x280
[  241.821084][ T7048]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.821106][ T7048]  ? do_raw_spin_unlock+0x122/0x240
[  241.821135][ T7048]  kobject_add_internal+0x59f/0xb40
[  241.821171][ T7048]  kobject_init_and_add+0x125/0x190
[  241.821204][ T7048]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.821232][ T7048]  ? __raw_spin_lock_init+0x45/0x100
[  241.821258][ T7048]  ? __init_swait_queue_head+0xa9/0x150
[  241.821286][ T7048]  gfs2_sys_fs_add+0x234/0x450
[  241.821318][ T7048]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.821352][ T7048]  ? is_dynamic_key+0xd6/0x1c0
[  241.821380][ T7048]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.821425][ T7048]  gfs2_fill_super+0x13c0/0x20d0
[  241.821464][ T7048]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.821491][ T7048]  ? sb_set_blocksize+0x104/0x180
[  241.821517][ T7048]  ? setup_bdev_super+0x4c1/0x5b0
[  241.821545][ T7048]  get_tree_bdev_flags+0x40e/0x4d0
[  241.821569][ T7048]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.821591][ T7048]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.821612][ T7048]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  241.821650][ T7048]  gfs2_get_tree+0x51/0x1e0
[  241.821675][ T7048]  vfs_get_tree+0x92/0x2b0
[  241.821701][ T7048]  do_new_mount+0x302/0x9e0
[  241.821724][ T7048]  ? apparmor_capable+0x137/0x1b0
[  241.821757][ T7048]  ? __pfx_do_new_mount+0x10/0x10
[  241.821782][ T7048]  ? ns_capable+0x8a/0xf0
[  241.821804][ T7048]  ? kmem_cache_free+0x19b/0x690
[  241.821839][ T7048]  __se_sys_mount+0x313/0x410
[  241.821871][ T7048]  ? __pfx___se_sys_mount+0x10/0x10
[  241.821901][ T7048]  ? do_syscall_64+0xbe/0xfa0
[  241.821923][ T7048]  ? __x64_sys_mount+0x20/0xc0
[  241.821950][ T7048]  do_syscall_64+0xfa/0xfa0
[  241.821972][ T7048]  ? lockdep_hardirqs_on+0x9c/0x150
[  241.821994][ T7048]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.822014][ T7048]  ? clear_bhb_loop+0x60/0xb0
[  241.822038][ T7048]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.822056][ T7048] RIP: 0033:0x7f499779038a
[  241.822074][ T7048] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.822093][ T7048] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.822114][ T7048] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  241.822129][ T7048] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  241.822144][ T7048] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  241.822158][ T7048] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.822171][ T7048] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  241.822204][ T7048]  </TASK>
[  241.822229][ T7048] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.151921][ T7048] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.489165][ T7053] loop1: detected capacity change from 0 to 32768
[  242.503497][ T7053] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.511451][ T7053] CPU: 0 UID: 0 PID: 7053 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) 
[  242.511477][ T7053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  242.511490][ T7053] Call Trace:
[  242.511498][ T7053]  <TASK>
[  242.511507][ T7053]  dump_stack_lvl+0x189/0x250
[  242.511539][ T7053]  ? __pfx_dump_stack_lvl+0x10/0x10
[  242.511570][ T7053]  ? __pfx__printk+0x10/0x10
[  242.511605][ T7053]  ? kernfs_path_from_node+0x250/0x290
[  242.511625][ T7053]  ? kernfs_path_from_node+0x2f/0x290
[  242.511650][ T7053]  sysfs_create_dir_ns+0x259/0x280
[  242.511672][ T7053]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  242.511695][ T7053]  ? do_raw_spin_unlock+0x122/0x240
[  242.511725][ T7053]  kobject_add_internal+0x59f/0xb40
[  242.511761][ T7053]  kobject_init_and_add+0x125/0x190
[  242.511793][ T7053]  ? __pfx_kobject_init_and_add+0x10/0x10
[  242.511821][ T7053]  ? __raw_spin_lock_init+0x45/0x100
[  242.511847][ T7053]  ? __init_swait_queue_head+0xa9/0x150
[  242.511875][ T7053]  gfs2_sys_fs_add+0x234/0x450
[  242.511906][ T7053]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  242.511941][ T7053]  ? is_dynamic_key+0xd6/0x1c0
[  242.511968][ T7053]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  242.512008][ T7053]  gfs2_fill_super+0x13c0/0x20d0
[  242.512047][ T7053]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.512074][ T7053]  ? sb_set_blocksize+0x104/0x180
[  242.512101][ T7053]  ? setup_bdev_super+0x4c1/0x5b0
[  242.512129][ T7053]  get_tree_bdev_flags+0x40e/0x4d0
[  242.512151][ T7053]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.512173][ T7053]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  242.512195][ T7053]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  242.512233][ T7053]  gfs2_get_tree+0x51/0x1e0
[  242.512258][ T7053]  vfs_get_tree+0x92/0x2b0
[  242.512285][ T7053]  do_new_mount+0x302/0x9e0
[  242.512307][ T7053]  ? apparmor_capable+0x137/0x1b0
[  242.512341][ T7053]  ? __pfx_do_new_mount+0x10/0x10
[  242.512366][ T7053]  ? ns_capable+0x8a/0xf0
[  242.512388][ T7053]  ? kmem_cache_free+0x19b/0x690
[  242.512424][ T7053]  __se_sys_mount+0x313/0x410
[  242.512456][ T7053]  ? __pfx___se_sys_mount+0x10/0x10
[  242.512486][ T7053]  ? do_syscall_64+0xbe/0xfa0
[  242.512508][ T7053]  ? __x64_sys_mount+0x20/0xc0
[  242.512535][ T7053]  do_syscall_64+0xfa/0xfa0
[  242.512562][ T7053]  ? lockdep_hardirqs_on+0x9c/0x150
[  242.512585][ T7053]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.512605][ T7053]  ? clear_bhb_loop+0x60/0xb0
[  242.512628][ T7053]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.512647][ T7053] RIP: 0033:0x7f499779038a
[  242.512665][ T7053] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.512683][ T7053] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.512704][ T7053] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  242.512719][ T7053] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  242.512734][ T7053] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  242.512749][ T7053] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  242.512762][ T7053] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  242.512795][ T7053]  </TASK>
[  242.512820][ T7053] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.842296][ T7053] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:27:56 executed programs: 139
[  243.175811][ T7057] loop1: detected capacity change from 0 to 32768
[  243.195707][ T7057] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.203773][ T7057] CPU: 1 UID: 0 PID: 7057 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) 
[  243.203798][ T7057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  243.203820][ T7057] Call Trace:
[  243.203828][ T7057]  <TASK>
[  243.203837][ T7057]  dump_stack_lvl+0x189/0x250
[  243.203868][ T7057]  ? __pfx_dump_stack_lvl+0x10/0x10
[  243.203891][ T7057]  ? __pfx__printk+0x10/0x10
[  243.203926][ T7057]  ? kernfs_path_from_node+0x250/0x290
[  243.203946][ T7057]  ? kernfs_path_from_node+0x2f/0x290
[  243.203970][ T7057]  sysfs_create_dir_ns+0x259/0x280
[  243.203991][ T7057]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.204012][ T7057]  ? do_raw_spin_unlock+0x122/0x240
[  243.204042][ T7057]  kobject_add_internal+0x59f/0xb40
[  243.204080][ T7057]  kobject_init_and_add+0x125/0x190
[  243.204113][ T7057]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.204142][ T7057]  ? __raw_spin_lock_init+0x45/0x100
[  243.204167][ T7057]  ? __init_swait_queue_head+0xa9/0x150
[  243.204194][ T7057]  gfs2_sys_fs_add+0x234/0x450
[  243.204224][ T7057]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.204257][ T7057]  ? is_dynamic_key+0xd6/0x1c0
[  243.204282][ T7057]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.204329][ T7057]  gfs2_fill_super+0x13c0/0x20d0
[  243.204367][ T7057]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.204393][ T7057]  ? sb_set_blocksize+0x104/0x180
[  243.204420][ T7057]  ? setup_bdev_super+0x4c1/0x5b0
[  243.204446][ T7057]  get_tree_bdev_flags+0x40e/0x4d0
[  243.204470][ T7057]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.204492][ T7057]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.204512][ T7057]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  243.204550][ T7057]  gfs2_get_tree+0x51/0x1e0
[  243.204575][ T7057]  vfs_get_tree+0x92/0x2b0
[  243.204599][ T7057]  do_new_mount+0x302/0x9e0
[  243.204622][ T7057]  ? apparmor_capable+0x137/0x1b0
[  243.204655][ T7057]  ? __pfx_do_new_mount+0x10/0x10
[  243.204681][ T7057]  ? ns_capable+0x8a/0xf0
[  243.204704][ T7057]  ? kmem_cache_free+0x19b/0x690
[  243.204740][ T7057]  __se_sys_mount+0x313/0x410
[  243.204771][ T7057]  ? __pfx___se_sys_mount+0x10/0x10
[  243.204800][ T7057]  ? do_syscall_64+0xbe/0xfa0
[  243.204822][ T7057]  ? __x64_sys_mount+0x20/0xc0
[  243.204847][ T7057]  do_syscall_64+0xfa/0xfa0
[  243.204867][ T7057]  ? lockdep_hardirqs_on+0x9c/0x150
[  243.204889][ T7057]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.204909][ T7057]  ? clear_bhb_loop+0x60/0xb0
[  243.204930][ T7057]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.204948][ T7057] RIP: 0033:0x7f499779038a
[  243.204967][ T7057] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.204984][ T7057] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.205005][ T7057] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  243.205020][ T7057] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  243.205034][ T7057] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  243.205048][ T7057] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.205061][ T7057] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  243.205095][ T7057]  </TASK>
[  243.205165][ T7057] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.531216][ T7057] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.859834][ T7061] loop1: detected capacity change from 0 to 32768
[  243.872480][ T7061] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.879909][ T7061] CPU: 1 UID: 0 PID: 7061 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) 
[  243.879934][ T7061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  243.879946][ T7061] Call Trace:
[  243.879953][ T7061]  <TASK>
[  243.879961][ T7061]  dump_stack_lvl+0x189/0x250
[  243.879992][ T7061]  ? __pfx_dump_stack_lvl+0x10/0x10
[  243.880014][ T7061]  ? __pfx__printk+0x10/0x10
[  243.880049][ T7061]  ? kernfs_path_from_node+0x250/0x290
[  243.880070][ T7061]  ? kernfs_path_from_node+0x2f/0x290
[  243.880094][ T7061]  sysfs_create_dir_ns+0x259/0x280
[  243.880116][ T7061]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.880137][ T7061]  ? do_raw_spin_unlock+0x122/0x240
[  243.880164][ T7061]  kobject_add_internal+0x59f/0xb40
[  243.880201][ T7061]  kobject_init_and_add+0x125/0x190
[  243.880229][ T7061]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.880254][ T7061]  ? __raw_spin_lock_init+0x45/0x100
[  243.880285][ T7061]  ? __init_swait_queue_head+0xa9/0x150
[  243.880308][ T7061]  gfs2_sys_fs_add+0x234/0x450
[  243.880336][ T7061]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.880368][ T7061]  ? is_dynamic_key+0xd6/0x1c0
[  243.880391][ T7061]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.880427][ T7061]  gfs2_fill_super+0x13c0/0x20d0
[  243.880464][ T7061]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.880489][ T7061]  ? sb_set_blocksize+0x104/0x180
[  243.880514][ T7061]  ? setup_bdev_super+0x4c1/0x5b0
[  243.880540][ T7061]  get_tree_bdev_flags+0x40e/0x4d0
[  243.880564][ T7061]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.880584][ T7061]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.880604][ T7061]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  243.880640][ T7061]  gfs2_get_tree+0x51/0x1e0
[  243.880665][ T7061]  vfs_get_tree+0x92/0x2b0
[  243.880689][ T7061]  do_new_mount+0x302/0x9e0
[  243.880711][ T7061]  ? apparmor_capable+0x137/0x1b0
[  243.880744][ T7061]  ? __pfx_do_new_mount+0x10/0x10
[  243.880770][ T7061]  ? ns_capable+0x8a/0xf0
[  243.880792][ T7061]  ? kmem_cache_free+0x19b/0x690
[  243.880827][ T7061]  __se_sys_mount+0x313/0x410
[  243.880858][ T7061]  ? __pfx___se_sys_mount+0x10/0x10
[  243.880885][ T7061]  ? do_syscall_64+0xbe/0xfa0
[  243.880907][ T7061]  ? __x64_sys_mount+0x20/0xc0
[  243.880932][ T7061]  do_syscall_64+0xfa/0xfa0
[  243.880953][ T7061]  ? lockdep_hardirqs_on+0x9c/0x150
[  243.880974][ T7061]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.880993][ T7061]  ? clear_bhb_loop+0x60/0xb0
[  243.881016][ T7061]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.881033][ T7061] RIP: 0033:0x7f499779038a
[  243.881051][ T7061] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.881069][ T7061] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.881090][ T7061] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  243.881105][ T7061] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  243.881119][ T7061] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  243.881133][ T7061] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.881146][ T7061] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  243.881178][ T7061]  </TASK>
[  244.199579][ T7061] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.213608][ T7061] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.525300][ T7065] loop1: detected capacity change from 0 to 32768
[  244.548511][ T7065] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.556088][ T7065] CPU: 0 UID: 0 PID: 7065 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) 
[  244.556113][ T7065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  244.556126][ T7065] Call Trace:
[  244.556133][ T7065]  <TASK>
[  244.556141][ T7065]  dump_stack_lvl+0x189/0x250
[  244.556174][ T7065]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.556197][ T7065]  ? __pfx__printk+0x10/0x10
[  244.556228][ T7065]  ? kernfs_path_from_node+0x250/0x290
[  244.556247][ T7065]  ? kernfs_path_from_node+0x2f/0x290
[  244.556270][ T7065]  sysfs_create_dir_ns+0x259/0x280
[  244.556293][ T7065]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.556315][ T7065]  ? do_raw_spin_unlock+0x122/0x240
[  244.556344][ T7065]  kobject_add_internal+0x59f/0xb40
[  244.556381][ T7065]  kobject_init_and_add+0x125/0x190
[  244.556413][ T7065]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.556464][ T7065]  ? __raw_spin_lock_init+0x45/0x100
[  244.556491][ T7065]  ? __init_swait_queue_head+0xa9/0x150
[  244.556519][ T7065]  gfs2_sys_fs_add+0x234/0x450
[  244.556550][ T7065]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.556584][ T7065]  ? is_dynamic_key+0xd6/0x1c0
[  244.556611][ T7065]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.556651][ T7065]  gfs2_fill_super+0x13c0/0x20d0
[  244.556686][ T7065]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.556711][ T7065]  ? sb_set_blocksize+0x104/0x180
[  244.556735][ T7065]  ? setup_bdev_super+0x4c1/0x5b0
[  244.556766][ T7065]  get_tree_bdev_flags+0x40e/0x4d0
[  244.556788][ T7065]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.556807][ T7065]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.556826][ T7065]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  244.556868][ T7065]  gfs2_get_tree+0x51/0x1e0
[  244.556891][ T7065]  vfs_get_tree+0x92/0x2b0
[  244.556916][ T7065]  do_new_mount+0x302/0x9e0
[  244.556937][ T7065]  ? apparmor_capable+0x137/0x1b0
[  244.556969][ T7065]  ? __pfx_do_new_mount+0x10/0x10
[  244.556992][ T7065]  ? ns_capable+0x8a/0xf0
[  244.557012][ T7065]  ? kmem_cache_free+0x19b/0x690
[  244.557044][ T7065]  __se_sys_mount+0x313/0x410
[  244.557075][ T7065]  ? __pfx___se_sys_mount+0x10/0x10
[  244.557106][ T7065]  ? do_syscall_64+0xbe/0xfa0
[  244.557125][ T7065]  ? __x64_sys_mount+0x20/0xc0
[  244.557150][ T7065]  do_syscall_64+0xfa/0xfa0
[  244.557171][ T7065]  ? lockdep_hardirqs_on+0x9c/0x150
[  244.557193][ T7065]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.557213][ T7065]  ? clear_bhb_loop+0x60/0xb0
[  244.557238][ T7065]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.557257][ T7065] RIP: 0033:0x7f499779038a
[  244.557276][ T7065] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.557294][ T7065] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.557316][ T7065] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  244.557329][ T7065] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  244.557344][ T7065] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  244.557357][ T7065] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.557369][ T7065] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.557398][ T7065]  </TASK>
[  244.557578][ T7065] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.887889][ T7065] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.208577][ T7069] loop1: detected capacity change from 0 to 32768
[  245.222711][ T7069] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.230133][ T7069] CPU: 1 UID: 0 PID: 7069 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) 
[  245.230158][ T7069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  245.230179][ T7069] Call Trace:
[  245.230191][ T7069]  <TASK>
[  245.230198][ T7069]  dump_stack_lvl+0x189/0x250
[  245.230231][ T7069]  ? __pfx_dump_stack_lvl+0x10/0x10
[  245.230254][ T7069]  ? __pfx__printk+0x10/0x10
[  245.230287][ T7069]  ? kernfs_path_from_node+0x250/0x290
[  245.230306][ T7069]  ? kernfs_path_from_node+0x2f/0x290
[  245.230330][ T7069]  sysfs_create_dir_ns+0x259/0x280
[  245.230353][ T7069]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  245.230373][ T7069]  ? do_raw_spin_unlock+0x122/0x240
[  245.230402][ T7069]  kobject_add_internal+0x59f/0xb40
[  245.230437][ T7069]  kobject_init_and_add+0x125/0x190
[  245.230468][ T7069]  ? __pfx_kobject_init_and_add+0x10/0x10
[  245.230494][ T7069]  ? __raw_spin_lock_init+0x45/0x100
[  245.230519][ T7069]  ? __init_swait_queue_head+0xa9/0x150
[  245.230546][ T7069]  gfs2_sys_fs_add+0x234/0x450
[  245.230577][ T7069]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  245.230611][ T7069]  ? is_dynamic_key+0xd6/0x1c0
[  245.230639][ T7069]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  245.230679][ T7069]  gfs2_fill_super+0x13c0/0x20d0
[  245.230719][ T7069]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.230745][ T7069]  ? sb_set_blocksize+0x104/0x180
[  245.230771][ T7069]  ? setup_bdev_super+0x4c1/0x5b0
[  245.230797][ T7069]  get_tree_bdev_flags+0x40e/0x4d0
[  245.230822][ T7069]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.230843][ T7069]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  245.230865][ T7069]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  245.230901][ T7069]  gfs2_get_tree+0x51/0x1e0
[  245.230926][ T7069]  vfs_get_tree+0x92/0x2b0
[  245.230953][ T7069]  do_new_mount+0x302/0x9e0
[  245.230978][ T7069]  ? apparmor_capable+0x137/0x1b0
[  245.231012][ T7069]  ? __pfx_do_new_mount+0x10/0x10
[  245.231038][ T7069]  ? ns_capable+0x8a/0xf0
[  245.231059][ T7069]  ? kmem_cache_free+0x19b/0x690
[  245.231091][ T7069]  __se_sys_mount+0x313/0x410
[  245.231122][ T7069]  ? __pfx___se_sys_mount+0x10/0x10
[  245.231150][ T7069]  ? do_syscall_64+0xbe/0xfa0
[  245.231179][ T7069]  ? __x64_sys_mount+0x20/0xc0
[  245.231205][ T7069]  do_syscall_64+0xfa/0xfa0
[  245.231225][ T7069]  ? lockdep_hardirqs_on+0x9c/0x150
[  245.231248][ T7069]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.231267][ T7069]  ? clear_bhb_loop+0x60/0xb0
[  245.231290][ T7069]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.231309][ T7069] RIP: 0033:0x7f499779038a
[  245.231327][ T7069] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.231345][ T7069] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.231366][ T7069] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  245.231382][ T7069] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  245.231396][ T7069] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  245.231410][ T7069] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  245.231422][ T7069] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  245.231455][ T7069]  </TASK>
[  245.547816][ T7069] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.561988][ T7069] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.892166][ T7073] loop1: detected capacity change from 0 to 32768
[  245.916185][ T7073] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.923890][ T7073] CPU: 0 UID: 0 PID: 7073 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) 
[  245.923917][ T7073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  245.923930][ T7073] Call Trace:
[  245.923939][ T7073]  <TASK>
[  245.923948][ T7073]  dump_stack_lvl+0x189/0x250
[  245.923981][ T7073]  ? __pfx_dump_stack_lvl+0x10/0x10
[  245.924006][ T7073]  ? __pfx__printk+0x10/0x10
[  245.924041][ T7073]  ? kernfs_path_from_node+0x250/0x290
[  245.924061][ T7073]  ? kernfs_path_from_node+0x2f/0x290
[  245.924085][ T7073]  sysfs_create_dir_ns+0x259/0x280
[  245.924108][ T7073]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  245.924129][ T7073]  ? do_raw_spin_unlock+0x122/0x240
[  245.924158][ T7073]  kobject_add_internal+0x59f/0xb40
[  245.924195][ T7073]  kobject_init_and_add+0x125/0x190
[  245.924228][ T7073]  ? __pfx_kobject_init_and_add+0x10/0x10
[  245.924257][ T7073]  ? __raw_spin_lock_init+0x45/0x100
[  245.924283][ T7073]  ? __init_swait_queue_head+0xa9/0x150
[  245.924311][ T7073]  gfs2_sys_fs_add+0x234/0x450
[  245.924342][ T7073]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  245.924383][ T7073]  ? is_dynamic_key+0xd6/0x1c0
[  245.924411][ T7073]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  245.924450][ T7073]  gfs2_fill_super+0x13c0/0x20d0
[  245.924489][ T7073]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.924516][ T7073]  ? sb_set_blocksize+0x104/0x180
[  245.924543][ T7073]  ? setup_bdev_super+0x4c1/0x5b0
[  245.924570][ T7073]  get_tree_bdev_flags+0x40e/0x4d0
[  245.924594][ T7073]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.924616][ T7073]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  245.924638][ T7073]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  245.924677][ T7073]  gfs2_get_tree+0x51/0x1e0
[  245.924702][ T7073]  vfs_get_tree+0x92/0x2b0
[  245.924729][ T7073]  do_new_mount+0x302/0x9e0
[  245.924753][ T7073]  ? apparmor_capable+0x137/0x1b0
[  245.924788][ T7073]  ? __pfx_do_new_mount+0x10/0x10
[  245.924813][ T7073]  ? ns_capable+0x8a/0xf0
[  245.924835][ T7073]  ? kmem_cache_free+0x19b/0x690
[  245.924871][ T7073]  __se_sys_mount+0x313/0x410
[  245.924903][ T7073]  ? __pfx___se_sys_mount+0x10/0x10
[  245.924934][ T7073]  ? do_syscall_64+0xbe/0xfa0
[  245.924955][ T7073]  ? __x64_sys_mount+0x20/0xc0
[  245.924983][ T7073]  do_syscall_64+0xfa/0xfa0
[  245.925004][ T7073]  ? lockdep_hardirqs_on+0x9c/0x150
[  245.925028][ T7073]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.925048][ T7073]  ? clear_bhb_loop+0x60/0xb0
[  245.925072][ T7073]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.925092][ T7073] RIP: 0033:0x7f499779038a
[  245.925110][ T7073] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.925127][ T7073] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.925147][ T7073] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  245.925162][ T7073] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  245.925176][ T7073] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  245.925190][ T7073] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  245.925204][ T7073] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  245.925236][ T7073]  </TASK>
[  245.925263][ T7073] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.256730][ T7073] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.584479][ T7077] loop1: detected capacity change from 0 to 32768
[  246.606474][ T7077] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.614391][ T7077] CPU: 1 UID: 0 PID: 7077 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  246.614418][ T7077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  246.614432][ T7077] Call Trace:
[  246.614441][ T7077]  <TASK>
[  246.614449][ T7077]  dump_stack_lvl+0x189/0x250
[  246.614481][ T7077]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.614505][ T7077]  ? __pfx__printk+0x10/0x10
[  246.614538][ T7077]  ? kernfs_path_from_node+0x250/0x290
[  246.614557][ T7077]  ? kernfs_path_from_node+0x2f/0x290
[  246.614581][ T7077]  sysfs_create_dir_ns+0x259/0x280
[  246.614603][ T7077]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.614629][ T7077]  ? do_raw_spin_unlock+0x122/0x240
[  246.614659][ T7077]  kobject_add_internal+0x59f/0xb40
[  246.614694][ T7077]  kobject_init_and_add+0x125/0x190
[  246.614725][ T7077]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.614753][ T7077]  ? __raw_spin_lock_init+0x45/0x100
[  246.614779][ T7077]  ? __init_swait_queue_head+0xa9/0x150
[  246.614805][ T7077]  gfs2_sys_fs_add+0x234/0x450
[  246.614835][ T7077]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.614870][ T7077]  ? is_dynamic_key+0xd6/0x1c0
[  246.614898][ T7077]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.614939][ T7077]  gfs2_fill_super+0x13c0/0x20d0
[  246.614978][ T7077]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.615013][ T7077]  ? sb_set_blocksize+0x104/0x180
[  246.615039][ T7077]  ? setup_bdev_super+0x4c1/0x5b0
[  246.615067][ T7077]  get_tree_bdev_flags+0x40e/0x4d0
[  246.615090][ T7077]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.615113][ T7077]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.615134][ T7077]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  246.615171][ T7077]  gfs2_get_tree+0x51/0x1e0
[  246.615197][ T7077]  vfs_get_tree+0x92/0x2b0
[  246.615223][ T7077]  do_new_mount+0x302/0x9e0
[  246.615248][ T7077]  ? apparmor_capable+0x137/0x1b0
[  246.615281][ T7077]  ? __pfx_do_new_mount+0x10/0x10
[  246.615307][ T7077]  ? ns_capable+0x8a/0xf0
[  246.615327][ T7077]  ? kmem_cache_free+0x19b/0x690
[  246.615362][ T7077]  __se_sys_mount+0x313/0x410
[  246.615393][ T7077]  ? __pfx___se_sys_mount+0x10/0x10
[  246.615423][ T7077]  ? do_syscall_64+0xbe/0xfa0
[  246.615445][ T7077]  ? __x64_sys_mount+0x20/0xc0
[  246.615473][ T7077]  do_syscall_64+0xfa/0xfa0
[  246.615493][ T7077]  ? lockdep_hardirqs_on+0x9c/0x150
[  246.615516][ T7077]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.615536][ T7077]  ? clear_bhb_loop+0x60/0xb0
[  246.615561][ T7077]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.615581][ T7077] RIP: 0033:0x7f499779038a
[  246.615599][ T7077] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.615618][ T7077] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.615640][ T7077] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  246.615655][ T7077] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  246.615670][ T7077] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  246.615683][ T7077] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  246.615696][ T7077] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.615727][ T7077]  </TASK>
[  246.615781][ T7077] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.942742][ T7077] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.275058][ T7081] loop1: detected capacity change from 0 to 32768
[  247.288683][ T7081] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.298549][ T7081] CPU: 1 UID: 0 PID: 7081 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) 
[  247.298575][ T7081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  247.298588][ T7081] Call Trace:
[  247.298596][ T7081]  <TASK>
[  247.298603][ T7081]  dump_stack_lvl+0x189/0x250
[  247.298635][ T7081]  ? __pfx_dump_stack_lvl+0x10/0x10
[  247.298658][ T7081]  ? __pfx__printk+0x10/0x10
[  247.298688][ T7081]  ? kernfs_path_from_node+0x250/0x290
[  247.298705][ T7081]  ? kernfs_path_from_node+0x2f/0x290
[  247.298725][ T7081]  sysfs_create_dir_ns+0x259/0x280
[  247.298745][ T7081]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.298764][ T7081]  ? do_raw_spin_unlock+0x122/0x240
[  247.298789][ T7081]  kobject_add_internal+0x59f/0xb40
[  247.298821][ T7081]  kobject_init_and_add+0x125/0x190
[  247.298848][ T7081]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.298872][ T7081]  ? __raw_spin_lock_init+0x45/0x100
[  247.298894][ T7081]  ? __init_swait_queue_head+0xa9/0x150
[  247.298917][ T7081]  gfs2_sys_fs_add+0x234/0x450
[  247.298944][ T7081]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.298974][ T7081]  ? is_dynamic_key+0xd6/0x1c0
[  247.299005][ T7081]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.299038][ T7081]  gfs2_fill_super+0x13c0/0x20d0
[  247.299070][ T7081]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.299093][ T7081]  ? sb_set_blocksize+0x104/0x180
[  247.299116][ T7081]  ? setup_bdev_super+0x4c1/0x5b0
[  247.299139][ T7081]  get_tree_bdev_flags+0x40e/0x4d0
[  247.299159][ T7081]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.299178][ T7081]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.299196][ T7081]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  247.299229][ T7081]  gfs2_get_tree+0x51/0x1e0
[  247.299251][ T7081]  vfs_get_tree+0x92/0x2b0
[  247.299272][ T7081]  do_new_mount+0x302/0x9e0
[  247.299293][ T7081]  ? apparmor_capable+0x137/0x1b0
[  247.299322][ T7081]  ? __pfx_do_new_mount+0x10/0x10
[  247.299343][ T7081]  ? ns_capable+0x8a/0xf0
[  247.299361][ T7081]  ? kmem_cache_free+0x19b/0x690
[  247.299391][ T7081]  __se_sys_mount+0x313/0x410
[  247.299418][ T7081]  ? __pfx___se_sys_mount+0x10/0x10
[  247.299444][ T7081]  ? do_syscall_64+0xbe/0xfa0
[  247.299462][ T7081]  ? __x64_sys_mount+0x20/0xc0
[  247.299486][ T7081]  do_syscall_64+0xfa/0xfa0
[  247.299504][ T7081]  ? lockdep_hardirqs_on+0x9c/0x150
[  247.299524][ T7081]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.299541][ T7081]  ? clear_bhb_loop+0x60/0xb0
[  247.299560][ T7081]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.299577][ T7081] RIP: 0033:0x7f499779038a
[  247.299592][ T7081] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.299608][ T7081] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.299626][ T7081] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  247.299640][ T7081] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  247.299652][ T7081] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  247.299665][ T7081] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  247.299676][ T7081] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  247.299704][ T7081]  </TASK>
[  247.301460][ T7081] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.630320][ T7081] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.961330][ T7085] loop1: detected capacity change from 0 to 32768
[  247.988351][ T7085] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.995923][ T7085] CPU: 1 UID: 0 PID: 7085 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) 
[  247.995949][ T7085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  247.995963][ T7085] Call Trace:
[  247.995972][ T7085]  <TASK>
[  247.995981][ T7085]  dump_stack_lvl+0x189/0x250
[  247.996015][ T7085]  ? __pfx_dump_stack_lvl+0x10/0x10
[  247.996041][ T7085]  ? __pfx__printk+0x10/0x10
[  247.996072][ T7085]  ? kernfs_path_from_node+0x250/0x290
[  247.996093][ T7085]  ? kernfs_path_from_node+0x2f/0x290
[  247.996116][ T7085]  sysfs_create_dir_ns+0x259/0x280
[  247.996139][ T7085]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.996160][ T7085]  ? do_raw_spin_unlock+0x122/0x240
[  247.996189][ T7085]  kobject_add_internal+0x59f/0xb40
[  247.996233][ T7085]  kobject_init_and_add+0x125/0x190
[  247.996266][ T7085]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.996292][ T7085]  ? __raw_spin_lock_init+0x45/0x100
[  247.996318][ T7085]  ? __init_swait_queue_head+0xa9/0x150
[  247.996345][ T7085]  gfs2_sys_fs_add+0x234/0x450
[  247.996375][ T7085]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.996410][ T7085]  ? is_dynamic_key+0xd6/0x1c0
[  247.996436][ T7085]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.996476][ T7085]  gfs2_fill_super+0x13c0/0x20d0
[  247.996515][ T7085]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.996542][ T7085]  ? sb_set_blocksize+0x104/0x180
[  247.996569][ T7085]  ? setup_bdev_super+0x4c1/0x5b0
[  247.996597][ T7085]  get_tree_bdev_flags+0x40e/0x4d0
[  247.996621][ T7085]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.996643][ T7085]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.996665][ T7085]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  247.996703][ T7085]  gfs2_get_tree+0x51/0x1e0
[  247.996728][ T7085]  vfs_get_tree+0x92/0x2b0
[  247.996754][ T7085]  do_new_mount+0x302/0x9e0
[  247.996778][ T7085]  ? apparmor_capable+0x137/0x1b0
[  247.996812][ T7085]  ? __pfx_do_new_mount+0x10/0x10
[  247.996837][ T7085]  ? ns_capable+0x8a/0xf0
[  247.996859][ T7085]  ? kmem_cache_free+0x19b/0x690
[  247.996895][ T7085]  __se_sys_mount+0x313/0x410
[  247.996926][ T7085]  ? __pfx___se_sys_mount+0x10/0x10
[  247.996956][ T7085]  ? do_syscall_64+0xbe/0xfa0
[  247.996979][ T7085]  ? __x64_sys_mount+0x20/0xc0
[  247.997007][ T7085]  do_syscall_64+0xfa/0xfa0
[  247.997028][ T7085]  ? lockdep_hardirqs_on+0x9c/0x150
[  247.997051][ T7085]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.997070][ T7085]  ? clear_bhb_loop+0x60/0xb0
[  247.997094][ T7085]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.997114][ T7085] RIP: 0033:0x7f499779038a
[  247.997133][ T7085] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.997150][ T7085] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.997171][ T7085] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  247.997187][ T7085] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  247.997207][ T7085] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  247.997221][ T7085] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  247.997234][ T7085] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  247.997267][ T7085]  </TASK>
[  247.997295][ T7085] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.323900][ T7085] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:28:01 executed programs: 147
[  248.689076][ T7089] loop1: detected capacity change from 0 to 32768
[  248.699991][ T7089] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.707994][ T7089] CPU: 1 UID: 0 PID: 7089 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) 
[  248.708020][ T7089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  248.708034][ T7089] Call Trace:
[  248.708042][ T7089]  <TASK>
[  248.708052][ T7089]  dump_stack_lvl+0x189/0x250
[  248.708094][ T7089]  ? __pfx_dump_stack_lvl+0x10/0x10
[  248.708119][ T7089]  ? __pfx__printk+0x10/0x10
[  248.708155][ T7089]  ? kernfs_path_from_node+0x250/0x290
[  248.708176][ T7089]  ? kernfs_path_from_node+0x2f/0x290
[  248.708207][ T7089]  sysfs_create_dir_ns+0x259/0x280
[  248.708231][ T7089]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.708253][ T7089]  ? do_raw_spin_unlock+0x122/0x240
[  248.708281][ T7089]  kobject_add_internal+0x59f/0xb40
[  248.708314][ T7089]  kobject_init_and_add+0x125/0x190
[  248.708346][ T7089]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.708374][ T7089]  ? __raw_spin_lock_init+0x45/0x100
[  248.708399][ T7089]  ? __init_swait_queue_head+0xa9/0x150
[  248.708426][ T7089]  gfs2_sys_fs_add+0x234/0x450
[  248.708457][ T7089]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.708493][ T7089]  ? is_dynamic_key+0xd6/0x1c0
[  248.708520][ T7089]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.708561][ T7089]  gfs2_fill_super+0x13c0/0x20d0
[  248.708601][ T7089]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.708629][ T7089]  ? sb_set_blocksize+0x104/0x180
[  248.708656][ T7089]  ? setup_bdev_super+0x4c1/0x5b0
[  248.708684][ T7089]  get_tree_bdev_flags+0x40e/0x4d0
[  248.708708][ T7089]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.708731][ T7089]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.708753][ T7089]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  248.708792][ T7089]  gfs2_get_tree+0x51/0x1e0
[  248.708818][ T7089]  vfs_get_tree+0x92/0x2b0
[  248.708862][ T7089]  do_new_mount+0x302/0x9e0
[  248.708886][ T7089]  ? apparmor_capable+0x137/0x1b0
[  248.708918][ T7089]  ? __pfx_do_new_mount+0x10/0x10
[  248.708943][ T7089]  ? ns_capable+0x8a/0xf0
[  248.708964][ T7089]  ? kmem_cache_free+0x19b/0x690
[  248.708998][ T7089]  __se_sys_mount+0x313/0x410
[  248.709031][ T7089]  ? __pfx___se_sys_mount+0x10/0x10
[  248.709062][ T7089]  ? do_syscall_64+0xbe/0xfa0
[  248.709084][ T7089]  ? __x64_sys_mount+0x20/0xc0
[  248.709113][ T7089]  do_syscall_64+0xfa/0xfa0
[  248.709135][ T7089]  ? lockdep_hardirqs_on+0x9c/0x150
[  248.709159][ T7089]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.709178][ T7089]  ? clear_bhb_loop+0x60/0xb0
[  248.709208][ T7089]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.709228][ T7089] RIP: 0033:0x7f499779038a
[  248.709246][ T7089] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.709264][ T7089] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.709286][ T7089] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  248.709302][ T7089] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  248.709317][ T7089] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  248.709331][ T7089] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  248.709345][ T7089] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  248.709379][ T7089]  </TASK>
[  248.709405][ T7089] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.034899][ T7089] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.365958][ T7093] loop1: detected capacity change from 0 to 32768
[  249.384643][ T7093] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.393321][ T7093] CPU: 0 UID: 0 PID: 7093 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  249.393348][ T7093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  249.393361][ T7093] Call Trace:
[  249.393370][ T7093]  <TASK>
[  249.393378][ T7093]  dump_stack_lvl+0x189/0x250
[  249.393411][ T7093]  ? __pfx_dump_stack_lvl+0x10/0x10
[  249.393434][ T7093]  ? __pfx__printk+0x10/0x10
[  249.393466][ T7093]  ? kernfs_path_from_node+0x250/0x290
[  249.393486][ T7093]  ? kernfs_path_from_node+0x2f/0x290
[  249.393510][ T7093]  sysfs_create_dir_ns+0x259/0x280
[  249.393533][ T7093]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  249.393554][ T7093]  ? do_raw_spin_unlock+0x122/0x240
[  249.393583][ T7093]  kobject_add_internal+0x59f/0xb40
[  249.393619][ T7093]  kobject_init_and_add+0x125/0x190
[  249.393651][ T7093]  ? __pfx_kobject_init_and_add+0x10/0x10
[  249.393680][ T7093]  ? __raw_spin_lock_init+0x45/0x100
[  249.393704][ T7093]  ? __init_swait_queue_head+0xa9/0x150
[  249.393732][ T7093]  gfs2_sys_fs_add+0x234/0x450
[  249.393764][ T7093]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  249.393799][ T7093]  ? is_dynamic_key+0xd6/0x1c0
[  249.393827][ T7093]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  249.393866][ T7093]  gfs2_fill_super+0x13c0/0x20d0
[  249.393903][ T7093]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.393930][ T7093]  ? sb_set_blocksize+0x104/0x180
[  249.393956][ T7093]  ? setup_bdev_super+0x4c1/0x5b0
[  249.393982][ T7093]  get_tree_bdev_flags+0x40e/0x4d0
[  249.394004][ T7093]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.394026][ T7093]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  249.394047][ T7093]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  249.394086][ T7093]  gfs2_get_tree+0x51/0x1e0
[  249.394120][ T7093]  vfs_get_tree+0x92/0x2b0
[  249.394146][ T7093]  do_new_mount+0x302/0x9e0
[  249.394169][ T7093]  ? apparmor_capable+0x137/0x1b0
[  249.394203][ T7093]  ? __pfx_do_new_mount+0x10/0x10
[  249.394227][ T7093]  ? ns_capable+0x8a/0xf0
[  249.394248][ T7093]  ? kmem_cache_free+0x19b/0x690
[  249.394283][ T7093]  __se_sys_mount+0x313/0x410
[  249.394317][ T7093]  ? __pfx___se_sys_mount+0x10/0x10
[  249.394348][ T7093]  ? do_syscall_64+0xbe/0xfa0
[  249.394371][ T7093]  ? __x64_sys_mount+0x20/0xc0
[  249.394398][ T7093]  do_syscall_64+0xfa/0xfa0
[  249.394419][ T7093]  ? lockdep_hardirqs_on+0x9c/0x150
[  249.394442][ T7093]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.394460][ T7093]  ? clear_bhb_loop+0x60/0xb0
[  249.394484][ T7093]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.394503][ T7093] RIP: 0033:0x7f499779038a
[  249.394521][ T7093] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.394539][ T7093] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.394560][ T7093] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  249.394575][ T7093] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  249.394590][ T7093] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  249.394604][ T7093] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  249.394617][ T7093] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  249.394652][ T7093]  </TASK>
[  249.394680][ T7093] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.724055][ T7093] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.052236][ T7097] loop1: detected capacity change from 0 to 32768
[  250.072376][ T7097] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.079795][ T7097] CPU: 1 UID: 0 PID: 7097 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) 
[  250.079822][ T7097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  250.079835][ T7097] Call Trace:
[  250.079845][ T7097]  <TASK>
[  250.079853][ T7097]  dump_stack_lvl+0x189/0x250
[  250.079885][ T7097]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.079910][ T7097]  ? __pfx__printk+0x10/0x10
[  250.079945][ T7097]  ? kernfs_path_from_node+0x250/0x290
[  250.079965][ T7097]  ? kernfs_path_from_node+0x2f/0x290
[  250.079988][ T7097]  sysfs_create_dir_ns+0x259/0x280
[  250.080017][ T7097]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.080037][ T7097]  ? do_raw_spin_unlock+0x122/0x240
[  250.080064][ T7097]  kobject_add_internal+0x59f/0xb40
[  250.080099][ T7097]  kobject_init_and_add+0x125/0x190
[  250.080132][ T7097]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.080162][ T7097]  ? __raw_spin_lock_init+0x45/0x100
[  250.080190][ T7097]  ? __init_swait_queue_head+0xa9/0x150
[  250.080214][ T7097]  gfs2_sys_fs_add+0x234/0x450
[  250.080245][ T7097]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.080279][ T7097]  ? is_dynamic_key+0xd6/0x1c0
[  250.080305][ T7097]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.080341][ T7097]  gfs2_fill_super+0x13c0/0x20d0
[  250.080375][ T7097]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.080400][ T7097]  ? sb_set_blocksize+0x104/0x180
[  250.080426][ T7097]  ? setup_bdev_super+0x4c1/0x5b0
[  250.080452][ T7097]  get_tree_bdev_flags+0x40e/0x4d0
[  250.080475][ T7097]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.080497][ T7097]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.080518][ T7097]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.080554][ T7097]  gfs2_get_tree+0x51/0x1e0
[  250.080579][ T7097]  vfs_get_tree+0x92/0x2b0
[  250.080605][ T7097]  do_new_mount+0x302/0x9e0
[  250.080629][ T7097]  ? apparmor_capable+0x137/0x1b0
[  250.080664][ T7097]  ? __pfx_do_new_mount+0x10/0x10
[  250.080689][ T7097]  ? ns_capable+0x8a/0xf0
[  250.080713][ T7097]  ? kmem_cache_free+0x19b/0x690
[  250.080746][ T7097]  __se_sys_mount+0x313/0x410
[  250.080775][ T7097]  ? __pfx___se_sys_mount+0x10/0x10
[  250.080803][ T7097]  ? do_syscall_64+0xbe/0xfa0
[  250.080824][ T7097]  ? __x64_sys_mount+0x20/0xc0
[  250.080850][ T7097]  do_syscall_64+0xfa/0xfa0
[  250.080870][ T7097]  ? lockdep_hardirqs_on+0x9c/0x150
[  250.080890][ T7097]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.080910][ T7097]  ? clear_bhb_loop+0x60/0xb0
[  250.080933][ T7097]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.080952][ T7097] RIP: 0033:0x7f499779038a
[  250.080970][ T7097] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.080988][ T7097] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.081018][ T7097] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  250.081032][ T7097] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  250.081047][ T7097] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  250.081060][ T7097] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.081074][ T7097] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.081107][ T7097]  </TASK>
[  250.394984][ T7097] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.409674][ T7097] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.729146][ T7101] loop1: detected capacity change from 0 to 32768
[  250.760063][ T7101] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.767664][ T7101] CPU: 1 UID: 0 PID: 7101 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) 
[  250.767689][ T7101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  250.767699][ T7101] Call Trace:
[  250.767706][ T7101]  <TASK>
[  250.767713][ T7101]  dump_stack_lvl+0x189/0x250
[  250.767741][ T7101]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.767762][ T7101]  ? __pfx__printk+0x10/0x10
[  250.767793][ T7101]  ? kernfs_path_from_node+0x250/0x290
[  250.767811][ T7101]  ? kernfs_path_from_node+0x2f/0x290
[  250.767831][ T7101]  sysfs_create_dir_ns+0x259/0x280
[  250.767852][ T7101]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.767871][ T7101]  ? do_raw_spin_unlock+0x122/0x240
[  250.767900][ T7101]  kobject_add_internal+0x59f/0xb40
[  250.767934][ T7101]  kobject_init_and_add+0x125/0x190
[  250.767971][ T7101]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.767997][ T7101]  ? __raw_spin_lock_init+0x45/0x100
[  250.768023][ T7101]  ? __init_swait_queue_head+0xa9/0x150
[  250.768052][ T7101]  gfs2_sys_fs_add+0x234/0x450
[  250.768084][ T7101]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.768117][ T7101]  ? is_dynamic_key+0xd6/0x1c0
[  250.768143][ T7101]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.768179][ T7101]  gfs2_fill_super+0x13c0/0x20d0
[  250.768216][ T7101]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.768239][ T7101]  ? sb_set_blocksize+0x104/0x180
[  250.768261][ T7101]  ? setup_bdev_super+0x4c1/0x5b0
[  250.768287][ T7101]  get_tree_bdev_flags+0x40e/0x4d0
[  250.768310][ T7101]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.768329][ T7101]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.768349][ T7101]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.768384][ T7101]  gfs2_get_tree+0x51/0x1e0
[  250.768408][ T7101]  vfs_get_tree+0x92/0x2b0
[  250.768433][ T7101]  do_new_mount+0x302/0x9e0
[  250.768456][ T7101]  ? apparmor_capable+0x137/0x1b0
[  250.768488][ T7101]  ? __pfx_do_new_mount+0x10/0x10
[  250.768513][ T7101]  ? ns_capable+0x8a/0xf0
[  250.768533][ T7101]  ? kmem_cache_free+0x19b/0x690
[  250.768567][ T7101]  __se_sys_mount+0x313/0x410
[  250.768599][ T7101]  ? __pfx___se_sys_mount+0x10/0x10
[  250.768628][ T7101]  ? do_syscall_64+0xbe/0xfa0
[  250.768648][ T7101]  ? __x64_sys_mount+0x20/0xc0
[  250.768675][ T7101]  do_syscall_64+0xfa/0xfa0
[  250.768711][ T7101]  ? lockdep_hardirqs_on+0x9c/0x150
[  250.768734][ T7101]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.768756][ T7101]  ? clear_bhb_loop+0x60/0xb0
[  250.768779][ T7101]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.768798][ T7101] RIP: 0033:0x7f499779038a
[  250.768817][ T7101] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.768834][ T7101] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.768855][ T7101] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  250.768869][ T7101] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  250.768884][ T7101] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  250.768897][ T7101] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.768910][ T7101] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.768959][ T7101]  </TASK>
[  250.768996][ T7101] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.095974][ T7101] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.441802][ T7105] loop1: detected capacity change from 0 to 32768
[  251.452606][ T7105] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.460025][ T7105] CPU: 1 UID: 0 PID: 7105 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) 
[  251.460051][ T7105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  251.460064][ T7105] Call Trace:
[  251.460073][ T7105]  <TASK>
[  251.460082][ T7105]  dump_stack_lvl+0x189/0x250
[  251.460112][ T7105]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.460136][ T7105]  ? __pfx__printk+0x10/0x10
[  251.460171][ T7105]  ? kernfs_path_from_node+0x250/0x290
[  251.460193][ T7105]  ? kernfs_path_from_node+0x2f/0x290
[  251.460214][ T7105]  sysfs_create_dir_ns+0x259/0x280
[  251.460234][ T7105]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.460254][ T7105]  ? do_raw_spin_unlock+0x122/0x240
[  251.460282][ T7105]  kobject_add_internal+0x59f/0xb40
[  251.460316][ T7105]  kobject_init_and_add+0x125/0x190
[  251.460347][ T7105]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.460373][ T7105]  ? __raw_spin_lock_init+0x45/0x100
[  251.460399][ T7105]  ? __init_swait_queue_head+0xa9/0x150
[  251.460428][ T7105]  gfs2_sys_fs_add+0x234/0x450
[  251.460457][ T7105]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.460489][ T7105]  ? is_dynamic_key+0xd6/0x1c0
[  251.460516][ T7105]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.460554][ T7105]  gfs2_fill_super+0x13c0/0x20d0
[  251.460593][ T7105]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.460620][ T7105]  ? sb_set_blocksize+0x104/0x180
[  251.460646][ T7105]  ? setup_bdev_super+0x4c1/0x5b0
[  251.460674][ T7105]  get_tree_bdev_flags+0x40e/0x4d0
[  251.460696][ T7105]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.460717][ T7105]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.460739][ T7105]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  251.460776][ T7105]  gfs2_get_tree+0x51/0x1e0
[  251.460801][ T7105]  vfs_get_tree+0x92/0x2b0
[  251.460827][ T7105]  do_new_mount+0x302/0x9e0
[  251.460851][ T7105]  ? apparmor_capable+0x137/0x1b0
[  251.460884][ T7105]  ? __pfx_do_new_mount+0x10/0x10
[  251.460909][ T7105]  ? ns_capable+0x8a/0xf0
[  251.460932][ T7105]  ? kmem_cache_free+0x19b/0x690
[  251.460973][ T7105]  __se_sys_mount+0x313/0x410
[  251.461005][ T7105]  ? __pfx___se_sys_mount+0x10/0x10
[  251.461034][ T7105]  ? do_syscall_64+0xbe/0xfa0
[  251.461056][ T7105]  ? __x64_sys_mount+0x20/0xc0
[  251.461083][ T7105]  do_syscall_64+0xfa/0xfa0
[  251.461105][ T7105]  ? lockdep_hardirqs_on+0x9c/0x150
[  251.461126][ T7105]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.461146][ T7105]  ? clear_bhb_loop+0x60/0xb0
[  251.461169][ T7105]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.461188][ T7105] RIP: 0033:0x7f499779038a
[  251.461205][ T7105] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.461224][ T7105] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.461245][ T7105] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  251.461260][ T7105] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  251.461276][ T7105] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  251.461290][ T7105] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  251.461305][ T7105] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  251.461337][ T7105]  </TASK>
[  251.771480][ T7105] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.785552][ T7105] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.120468][ T7109] loop1: detected capacity change from 0 to 32768
[  252.131510][ T7109] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.138912][ T7109] CPU: 1 UID: 0 PID: 7109 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) 
[  252.138937][ T7109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  252.138949][ T7109] Call Trace:
[  252.138958][ T7109]  <TASK>
[  252.138967][ T7109]  dump_stack_lvl+0x189/0x250
[  252.138996][ T7109]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.139019][ T7109]  ? __pfx__printk+0x10/0x10
[  252.139050][ T7109]  ? kernfs_path_from_node+0x250/0x290
[  252.139068][ T7109]  ? kernfs_path_from_node+0x2f/0x290
[  252.139092][ T7109]  sysfs_create_dir_ns+0x259/0x280
[  252.139113][ T7109]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.139132][ T7109]  ? do_raw_spin_unlock+0x122/0x240
[  252.139160][ T7109]  kobject_add_internal+0x59f/0xb40
[  252.139192][ T7109]  kobject_init_and_add+0x125/0x190
[  252.139219][ T7109]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.139245][ T7109]  ? __raw_spin_lock_init+0x45/0x100
[  252.139268][ T7109]  ? __init_swait_queue_head+0xa9/0x150
[  252.139295][ T7109]  gfs2_sys_fs_add+0x234/0x450
[  252.139324][ T7109]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.139359][ T7109]  ? is_dynamic_key+0xd6/0x1c0
[  252.139386][ T7109]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.139423][ T7109]  gfs2_fill_super+0x13c0/0x20d0
[  252.139458][ T7109]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.139485][ T7109]  ? sb_set_blocksize+0x104/0x180
[  252.139510][ T7109]  ? setup_bdev_super+0x4c1/0x5b0
[  252.139538][ T7109]  get_tree_bdev_flags+0x40e/0x4d0
[  252.139562][ T7109]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.139584][ T7109]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.139606][ T7109]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  252.139643][ T7109]  gfs2_get_tree+0x51/0x1e0
[  252.139668][ T7109]  vfs_get_tree+0x92/0x2b0
[  252.139693][ T7109]  do_new_mount+0x302/0x9e0
[  252.139716][ T7109]  ? apparmor_capable+0x137/0x1b0
[  252.139750][ T7109]  ? __pfx_do_new_mount+0x10/0x10
[  252.139773][ T7109]  ? ns_capable+0x8a/0xf0
[  252.139794][ T7109]  ? kmem_cache_free+0x19b/0x690
[  252.139828][ T7109]  __se_sys_mount+0x313/0x410
[  252.139858][ T7109]  ? __pfx___se_sys_mount+0x10/0x10
[  252.139896][ T7109]  ? do_syscall_64+0xbe/0xfa0
[  252.139918][ T7109]  ? __x64_sys_mount+0x20/0xc0
[  252.139945][ T7109]  do_syscall_64+0xfa/0xfa0
[  252.139967][ T7109]  ? lockdep_hardirqs_on+0x9c/0x150
[  252.139989][ T7109]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.140009][ T7109]  ? clear_bhb_loop+0x60/0xb0
[  252.140033][ T7109]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.140052][ T7109] RIP: 0033:0x7f499779038a
[  252.140070][ T7109] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.140087][ T7109] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.140109][ T7109] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  252.140124][ T7109] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  252.140138][ T7109] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  252.140150][ T7109] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  252.140162][ T7109] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.140196][ T7109]  </TASK>
[  252.450883][ T7109] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.466105][ T7109] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.780347][ T5863] Bluetooth: hci0: command 0x0406 tx timeout
[  252.795557][ T7113] loop1: detected capacity change from 0 to 32768
[  252.818884][ T7113] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.826459][ T7113] CPU: 0 UID: 0 PID: 7113 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) 
[  252.826503][ T7113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  252.826515][ T7113] Call Trace:
[  252.826523][ T7113]  <TASK>
[  252.826531][ T7113]  dump_stack_lvl+0x189/0x250
[  252.826562][ T7113]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.826586][ T7113]  ? __pfx__printk+0x10/0x10
[  252.826618][ T7113]  ? kernfs_path_from_node+0x250/0x290
[  252.826638][ T7113]  ? kernfs_path_from_node+0x2f/0x290
[  252.826659][ T7113]  sysfs_create_dir_ns+0x259/0x280
[  252.826681][ T7113]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.826702][ T7113]  ? do_raw_spin_unlock+0x122/0x240
[  252.826728][ T7113]  kobject_add_internal+0x59f/0xb40
[  252.826761][ T7113]  kobject_init_and_add+0x125/0x190
[  252.826792][ T7113]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.826819][ T7113]  ? __raw_spin_lock_init+0x45/0x100
[  252.826844][ T7113]  ? __init_swait_queue_head+0xa9/0x150
[  252.826876][ T7113]  gfs2_sys_fs_add+0x234/0x450
[  252.826906][ T7113]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.826941][ T7113]  ? is_dynamic_key+0xd6/0x1c0
[  252.826969][ T7113]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.827009][ T7113]  gfs2_fill_super+0x13c0/0x20d0
[  252.827046][ T7113]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.827072][ T7113]  ? sb_set_blocksize+0x104/0x180
[  252.827098][ T7113]  ? setup_bdev_super+0x4c1/0x5b0
[  252.827122][ T7113]  get_tree_bdev_flags+0x40e/0x4d0
[  252.827144][ T7113]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.827163][ T7113]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.827183][ T7113]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  252.827219][ T7113]  gfs2_get_tree+0x51/0x1e0
[  252.827243][ T7113]  vfs_get_tree+0x92/0x2b0
[  252.827267][ T7113]  do_new_mount+0x302/0x9e0
[  252.827291][ T7113]  ? apparmor_capable+0x137/0x1b0
[  252.827319][ T7113]  ? __pfx_do_new_mount+0x10/0x10
[  252.827342][ T7113]  ? ns_capable+0x8a/0xf0
[  252.827358][ T7113]  ? kmem_cache_free+0x19b/0x690
[  252.827388][ T7113]  __se_sys_mount+0x313/0x410
[  252.827417][ T7113]  ? __pfx___se_sys_mount+0x10/0x10
[  252.827444][ T7113]  ? do_syscall_64+0xbe/0xfa0
[  252.827465][ T7113]  ? __x64_sys_mount+0x20/0xc0
[  252.827491][ T7113]  do_syscall_64+0xfa/0xfa0
[  252.827513][ T7113]  ? lockdep_hardirqs_on+0x9c/0x150
[  252.827535][ T7113]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.827554][ T7113]  ? clear_bhb_loop+0x60/0xb0
[  252.827578][ T7113]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.827597][ T7113] RIP: 0033:0x7f499779038a
[  252.827615][ T7113] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.827632][ T7113] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.827652][ T7113] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  252.827667][ T7113] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  252.827682][ T7113] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  252.827695][ T7113] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  252.827709][ T7113] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.827744][ T7113]  </TASK>
[  252.827869][ T7113] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.159109][ T7113] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.495813][ T7117] loop1: detected capacity change from 0 to 32768
[  253.512723][ T7117] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.520366][ T7117] CPU: 1 UID: 0 PID: 7117 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) 
[  253.520393][ T7117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  253.520406][ T7117] Call Trace:
[  253.520414][ T7117]  <TASK>
[  253.520423][ T7117]  dump_stack_lvl+0x189/0x250
[  253.520456][ T7117]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.520480][ T7117]  ? __pfx__printk+0x10/0x10
[  253.520522][ T7117]  ? kernfs_path_from_node+0x250/0x290
[  253.520542][ T7117]  ? kernfs_path_from_node+0x2f/0x290
[  253.520566][ T7117]  sysfs_create_dir_ns+0x259/0x280
[  253.520589][ T7117]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.520611][ T7117]  ? do_raw_spin_unlock+0x122/0x240
[  253.520639][ T7117]  kobject_add_internal+0x59f/0xb40
[  253.520675][ T7117]  kobject_init_and_add+0x125/0x190
[  253.520709][ T7117]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.520738][ T7117]  ? __raw_spin_lock_init+0x45/0x100
[  253.520763][ T7117]  ? __init_swait_queue_head+0xa9/0x150
[  253.520792][ T7117]  gfs2_sys_fs_add+0x234/0x450
[  253.520822][ T7117]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.520855][ T7117]  ? is_dynamic_key+0xd6/0x1c0
[  253.520881][ T7117]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.520916][ T7117]  gfs2_fill_super+0x13c0/0x20d0
[  253.520951][ T7117]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.520977][ T7117]  ? sb_set_blocksize+0x104/0x180
[  253.521003][ T7117]  ? setup_bdev_super+0x4c1/0x5b0
[  253.521030][ T7117]  get_tree_bdev_flags+0x40e/0x4d0
[  253.521053][ T7117]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.521074][ T7117]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.521095][ T7117]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  253.521133][ T7117]  gfs2_get_tree+0x51/0x1e0
[  253.521159][ T7117]  vfs_get_tree+0x92/0x2b0
[  253.521185][ T7117]  do_new_mount+0x302/0x9e0
[  253.521207][ T7117]  ? apparmor_capable+0x137/0x1b0
[  253.521239][ T7117]  ? __pfx_do_new_mount+0x10/0x10
[  253.521264][ T7117]  ? ns_capable+0x8a/0xf0
[  253.521287][ T7117]  ? kmem_cache_free+0x19b/0x690
[  253.521323][ T7117]  __se_sys_mount+0x313/0x410
[  253.521357][ T7117]  ? __pfx___se_sys_mount+0x10/0x10
[  253.521386][ T7117]  ? do_syscall_64+0xbe/0xfa0
[  253.521407][ T7117]  ? __x64_sys_mount+0x20/0xc0
[  253.521434][ T7117]  do_syscall_64+0xfa/0xfa0
[  253.521455][ T7117]  ? lockdep_hardirqs_on+0x9c/0x150
[  253.521478][ T7117]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.521507][ T7117]  ? clear_bhb_loop+0x60/0xb0
[  253.521531][ T7117]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.521549][ T7117] RIP: 0033:0x7f499779038a
[  253.521567][ T7117] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.521585][ T7117] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.521607][ T7117] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  253.521624][ T7117] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  253.521639][ T7117] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  253.521653][ T7117] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  253.521667][ T7117] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  253.521701][ T7117]  </TASK>
[  253.521728][ T7117] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.846803][ T7117] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:28:07 executed programs: 155
[  254.168699][ T7121] loop1: detected capacity change from 0 to 32768
[  254.189574][ T7121] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.197469][ T7121] CPU: 1 UID: 0 PID: 7121 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) 
[  254.197494][ T7121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  254.197507][ T7121] Call Trace:
[  254.197515][ T7121]  <TASK>
[  254.197524][ T7121]  dump_stack_lvl+0x189/0x250
[  254.197556][ T7121]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.197581][ T7121]  ? __pfx__printk+0x10/0x10
[  254.197617][ T7121]  ? kernfs_path_from_node+0x250/0x290
[  254.197637][ T7121]  ? kernfs_path_from_node+0x2f/0x290
[  254.197662][ T7121]  sysfs_create_dir_ns+0x259/0x280
[  254.197685][ T7121]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.197707][ T7121]  ? do_raw_spin_unlock+0x122/0x240
[  254.197737][ T7121]  kobject_add_internal+0x59f/0xb40
[  254.197772][ T7121]  kobject_init_and_add+0x125/0x190
[  254.197805][ T7121]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.197837][ T7121]  ? __raw_spin_lock_init+0x45/0x100
[  254.197863][ T7121]  ? __init_swait_queue_head+0xa9/0x150
[  254.197891][ T7121]  gfs2_sys_fs_add+0x234/0x450
[  254.197922][ T7121]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.197957][ T7121]  ? is_dynamic_key+0xd6/0x1c0
[  254.197984][ T7121]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.198024][ T7121]  gfs2_fill_super+0x13c0/0x20d0
[  254.198063][ T7121]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.198089][ T7121]  ? sb_set_blocksize+0x104/0x180
[  254.198116][ T7121]  ? setup_bdev_super+0x4c1/0x5b0
[  254.198144][ T7121]  get_tree_bdev_flags+0x40e/0x4d0
[  254.198165][ T7121]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.198187][ T7121]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.198209][ T7121]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  254.198248][ T7121]  gfs2_get_tree+0x51/0x1e0
[  254.198273][ T7121]  vfs_get_tree+0x92/0x2b0
[  254.198298][ T7121]  do_new_mount+0x302/0x9e0
[  254.198321][ T7121]  ? apparmor_capable+0x137/0x1b0
[  254.198352][ T7121]  ? __pfx_do_new_mount+0x10/0x10
[  254.198376][ T7121]  ? ns_capable+0x8a/0xf0
[  254.198397][ T7121]  ? kmem_cache_free+0x19b/0x690
[  254.198430][ T7121]  __se_sys_mount+0x313/0x410
[  254.198471][ T7121]  ? __pfx___se_sys_mount+0x10/0x10
[  254.198499][ T7121]  ? do_syscall_64+0xbe/0xfa0
[  254.198520][ T7121]  ? __x64_sys_mount+0x20/0xc0
[  254.198546][ T7121]  do_syscall_64+0xfa/0xfa0
[  254.198566][ T7121]  ? lockdep_hardirqs_on+0x9c/0x150
[  254.198588][ T7121]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.198607][ T7121]  ? clear_bhb_loop+0x60/0xb0
[  254.198630][ T7121]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.198648][ T7121] RIP: 0033:0x7f499779038a
[  254.198666][ T7121] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.198684][ T7121] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.198704][ T7121] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  254.198719][ T7121] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  254.198733][ T7121] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  254.198747][ T7121] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  254.198760][ T7121] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  254.198793][ T7121]  </TASK>
[  254.198818][ T7121] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.524337][ T7121] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.849229][ T7125] loop1: detected capacity change from 0 to 32768
[  254.863027][ T7125] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.870929][ T7125] CPU: 1 UID: 0 PID: 7125 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  254.870955][ T7125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  254.870967][ T7125] Call Trace:
[  254.870976][ T7125]  <TASK>
[  254.870984][ T7125]  dump_stack_lvl+0x189/0x250
[  254.871014][ T7125]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.871040][ T7125]  ? __pfx__printk+0x10/0x10
[  254.871076][ T7125]  ? kernfs_path_from_node+0x250/0x290
[  254.871095][ T7125]  ? kernfs_path_from_node+0x2f/0x290
[  254.871120][ T7125]  sysfs_create_dir_ns+0x259/0x280
[  254.871142][ T7125]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.871164][ T7125]  ? do_raw_spin_unlock+0x122/0x240
[  254.871193][ T7125]  kobject_add_internal+0x59f/0xb40
[  254.871229][ T7125]  kobject_init_and_add+0x125/0x190
[  254.871261][ T7125]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.871290][ T7125]  ? __raw_spin_lock_init+0x45/0x100
[  254.871316][ T7125]  ? __init_swait_queue_head+0xa9/0x150
[  254.871344][ T7125]  gfs2_sys_fs_add+0x234/0x450
[  254.871374][ T7125]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.871409][ T7125]  ? is_dynamic_key+0xd6/0x1c0
[  254.871445][ T7125]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.871483][ T7125]  gfs2_fill_super+0x13c0/0x20d0
[  254.871522][ T7125]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.871549][ T7125]  ? sb_set_blocksize+0x104/0x180
[  254.871574][ T7125]  ? setup_bdev_super+0x4c1/0x5b0
[  254.871601][ T7125]  get_tree_bdev_flags+0x40e/0x4d0
[  254.871624][ T7125]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.871647][ T7125]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.871669][ T7125]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  254.871709][ T7125]  gfs2_get_tree+0x51/0x1e0
[  254.871735][ T7125]  vfs_get_tree+0x92/0x2b0
[  254.871760][ T7125]  do_new_mount+0x302/0x9e0
[  254.871783][ T7125]  ? apparmor_capable+0x137/0x1b0
[  254.871815][ T7125]  ? __pfx_do_new_mount+0x10/0x10
[  254.871837][ T7125]  ? ns_capable+0x8a/0xf0
[  254.871863][ T7125]  ? kmem_cache_free+0x19b/0x690
[  254.871894][ T7125]  __se_sys_mount+0x313/0x410
[  254.871924][ T7125]  ? __pfx___se_sys_mount+0x10/0x10
[  254.871950][ T7125]  ? do_syscall_64+0xbe/0xfa0
[  254.871971][ T7125]  ? __x64_sys_mount+0x20/0xc0
[  254.871997][ T7125]  do_syscall_64+0xfa/0xfa0
[  254.872019][ T7125]  ? lockdep_hardirqs_on+0x9c/0x150
[  254.872040][ T7125]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.872058][ T7125]  ? clear_bhb_loop+0x60/0xb0
[  254.872081][ T7125]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.872100][ T7125] RIP: 0033:0x7f499779038a
[  254.872117][ T7125] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.872135][ T7125] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.872155][ T7125] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  254.872171][ T7125] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  254.872185][ T7125] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  254.872199][ T7125] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  254.872213][ T7125] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  254.872244][ T7125]  </TASK>
[  254.872269][ T7125] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.199666][ T7125] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.524722][ T7129] loop1: detected capacity change from 0 to 32768
[  255.538893][ T7129] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.546899][ T7129] CPU: 0 UID: 0 PID: 7129 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  255.546924][ T7129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  255.546935][ T7129] Call Trace:
[  255.546942][ T7129]  <TASK>
[  255.546951][ T7129]  dump_stack_lvl+0x189/0x250
[  255.546995][ T7129]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.547021][ T7129]  ? __pfx__printk+0x10/0x10
[  255.547058][ T7129]  ? kernfs_path_from_node+0x250/0x290
[  255.547077][ T7129]  ? kernfs_path_from_node+0x2f/0x290
[  255.547102][ T7129]  sysfs_create_dir_ns+0x259/0x280
[  255.547125][ T7129]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.547147][ T7129]  ? do_raw_spin_unlock+0x122/0x240
[  255.547177][ T7129]  kobject_add_internal+0x59f/0xb40
[  255.547212][ T7129]  kobject_init_and_add+0x125/0x190
[  255.547245][ T7129]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.547273][ T7129]  ? __raw_spin_lock_init+0x45/0x100
[  255.547298][ T7129]  ? __init_swait_queue_head+0xa9/0x150
[  255.547326][ T7129]  gfs2_sys_fs_add+0x234/0x450
[  255.547356][ T7129]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.547392][ T7129]  ? is_dynamic_key+0xd6/0x1c0
[  255.547420][ T7129]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.547460][ T7129]  gfs2_fill_super+0x13c0/0x20d0
[  255.547499][ T7129]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.547526][ T7129]  ? sb_set_blocksize+0x104/0x180
[  255.547552][ T7129]  ? setup_bdev_super+0x4c1/0x5b0
[  255.547578][ T7129]  get_tree_bdev_flags+0x40e/0x4d0
[  255.547606][ T7129]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.547626][ T7129]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.547647][ T7129]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.547684][ T7129]  gfs2_get_tree+0x51/0x1e0
[  255.547708][ T7129]  vfs_get_tree+0x92/0x2b0
[  255.547731][ T7129]  do_new_mount+0x302/0x9e0
[  255.547752][ T7129]  ? apparmor_capable+0x137/0x1b0
[  255.547783][ T7129]  ? __pfx_do_new_mount+0x10/0x10
[  255.547805][ T7129]  ? ns_capable+0x8a/0xf0
[  255.547827][ T7129]  ? kmem_cache_free+0x19b/0x690
[  255.547862][ T7129]  __se_sys_mount+0x313/0x410
[  255.547894][ T7129]  ? __pfx___se_sys_mount+0x10/0x10
[  255.547925][ T7129]  ? do_syscall_64+0xbe/0xfa0
[  255.547946][ T7129]  ? __x64_sys_mount+0x20/0xc0
[  255.547974][ T7129]  do_syscall_64+0xfa/0xfa0
[  255.547996][ T7129]  ? lockdep_hardirqs_on+0x9c/0x150
[  255.548018][ T7129]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.548037][ T7129]  ? clear_bhb_loop+0x60/0xb0
[  255.548061][ T7129]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.548080][ T7129] RIP: 0033:0x7f499779038a
[  255.548098][ T7129] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.548116][ T7129] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.548141][ T7129] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  255.548156][ T7129] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  255.548170][ T7129] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  255.548184][ T7129] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.548197][ T7129] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.548229][ T7129]  </TASK>
[  255.549155][ T7129] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.825370][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[  255.825465][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
[  255.899144][ T7129] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.236992][ T7133] loop1: detected capacity change from 0 to 32768
[  256.256736][ T7133] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.264680][ T7133] CPU: 0 UID: 0 PID: 7133 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  256.264707][ T7133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  256.264720][ T7133] Call Trace:
[  256.264728][ T7133]  <TASK>
[  256.264737][ T7133]  dump_stack_lvl+0x189/0x250
[  256.264771][ T7133]  ? __pfx_dump_stack_lvl+0x10/0x10
[  256.264796][ T7133]  ? __pfx__printk+0x10/0x10
[  256.264832][ T7133]  ? kernfs_path_from_node+0x250/0x290
[  256.264852][ T7133]  ? kernfs_path_from_node+0x2f/0x290
[  256.264874][ T7133]  sysfs_create_dir_ns+0x259/0x280
[  256.264896][ T7133]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.264918][ T7133]  ? do_raw_spin_unlock+0x122/0x240
[  256.264944][ T7133]  kobject_add_internal+0x59f/0xb40
[  256.264979][ T7133]  kobject_init_and_add+0x125/0x190
[  256.265010][ T7133]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.265037][ T7133]  ? __raw_spin_lock_init+0x45/0x100
[  256.265062][ T7133]  ? __init_swait_queue_head+0xa9/0x150
[  256.265089][ T7133]  gfs2_sys_fs_add+0x234/0x450
[  256.265119][ T7133]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.265152][ T7133]  ? is_dynamic_key+0xd6/0x1c0
[  256.265178][ T7133]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.265217][ T7133]  gfs2_fill_super+0x13c0/0x20d0
[  256.265254][ T7133]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.265280][ T7133]  ? sb_set_blocksize+0x104/0x180
[  256.265305][ T7133]  ? setup_bdev_super+0x4c1/0x5b0
[  256.265343][ T7133]  get_tree_bdev_flags+0x40e/0x4d0
[  256.265368][ T7133]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.265391][ T7133]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.265418][ T7133]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  256.265455][ T7133]  gfs2_get_tree+0x51/0x1e0
[  256.265480][ T7133]  vfs_get_tree+0x92/0x2b0
[  256.265505][ T7133]  do_new_mount+0x302/0x9e0
[  256.265528][ T7133]  ? apparmor_capable+0x137/0x1b0
[  256.265560][ T7133]  ? __pfx_do_new_mount+0x10/0x10
[  256.265584][ T7133]  ? ns_capable+0x8a/0xf0
[  256.265605][ T7133]  ? kmem_cache_free+0x19b/0x690
[  256.265643][ T7133]  __se_sys_mount+0x313/0x410
[  256.265675][ T7133]  ? __pfx___se_sys_mount+0x10/0x10
[  256.265704][ T7133]  ? do_syscall_64+0xbe/0xfa0
[  256.265725][ T7133]  ? __x64_sys_mount+0x20/0xc0
[  256.265755][ T7133]  do_syscall_64+0xfa/0xfa0
[  256.265776][ T7133]  ? lockdep_hardirqs_on+0x9c/0x150
[  256.265803][ T7133]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.265821][ T7133]  ? clear_bhb_loop+0x60/0xb0
[  256.265844][ T7133]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.265866][ T7133] RIP: 0033:0x7f499779038a
[  256.265885][ T7133] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.265903][ T7133] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.265925][ T7133] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  256.265945][ T7133] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  256.265960][ T7133] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  256.265974][ T7133] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  256.265988][ T7133] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  256.266022][ T7133]  </TASK>
[  256.266053][ T7133] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.596161][ T7133] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.929935][ T7137] loop1: detected capacity change from 0 to 32768
[  256.950774][ T7137] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.958204][ T7137] CPU: 1 UID: 0 PID: 7137 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  256.958230][ T7137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  256.958243][ T7137] Call Trace:
[  256.958252][ T7137]  <TASK>
[  256.958260][ T7137]  dump_stack_lvl+0x189/0x250
[  256.958295][ T7137]  ? __pfx_dump_stack_lvl+0x10/0x10
[  256.958320][ T7137]  ? __pfx__printk+0x10/0x10
[  256.958357][ T7137]  ? kernfs_path_from_node+0x250/0x290
[  256.958377][ T7137]  ? kernfs_path_from_node+0x2f/0x290
[  256.958400][ T7137]  sysfs_create_dir_ns+0x259/0x280
[  256.958423][ T7137]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.958445][ T7137]  ? do_raw_spin_unlock+0x122/0x240
[  256.958473][ T7137]  kobject_add_internal+0x59f/0xb40
[  256.958508][ T7137]  kobject_init_and_add+0x125/0x190
[  256.958548][ T7137]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.958575][ T7137]  ? __raw_spin_lock_init+0x45/0x100
[  256.958600][ T7137]  ? __init_swait_queue_head+0xa9/0x150
[  256.958627][ T7137]  gfs2_sys_fs_add+0x234/0x450
[  256.958657][ T7137]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.958691][ T7137]  ? is_dynamic_key+0xd6/0x1c0
[  256.958718][ T7137]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.958756][ T7137]  gfs2_fill_super+0x13c0/0x20d0
[  256.958794][ T7137]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.958821][ T7137]  ? sb_set_blocksize+0x104/0x180
[  256.958849][ T7137]  ? setup_bdev_super+0x4c1/0x5b0
[  256.958876][ T7137]  get_tree_bdev_flags+0x40e/0x4d0
[  256.958901][ T7137]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.958924][ T7137]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.958945][ T7137]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  256.958983][ T7137]  gfs2_get_tree+0x51/0x1e0
[  256.959007][ T7137]  vfs_get_tree+0x92/0x2b0
[  256.959032][ T7137]  do_new_mount+0x302/0x9e0
[  256.959055][ T7137]  ? apparmor_capable+0x137/0x1b0
[  256.959099][ T7137]  ? __pfx_do_new_mount+0x10/0x10
[  256.959123][ T7137]  ? ns_capable+0x8a/0xf0
[  256.959144][ T7137]  ? kmem_cache_free+0x19b/0x690
[  256.959180][ T7137]  __se_sys_mount+0x313/0x410
[  256.959211][ T7137]  ? __pfx___se_sys_mount+0x10/0x10
[  256.959241][ T7137]  ? do_syscall_64+0xbe/0xfa0
[  256.959262][ T7137]  ? __x64_sys_mount+0x20/0xc0
[  256.959362][ T7137]  do_syscall_64+0xfa/0xfa0
[  256.959384][ T7137]  ? lockdep_hardirqs_on+0x9c/0x150
[  256.959405][ T7137]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.959427][ T7137]  ? clear_bhb_loop+0x60/0xb0
[  256.959450][ T7137]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.959468][ T7137] RIP: 0033:0x7f499779038a
[  256.959486][ T7137] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.959506][ T7137] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.959528][ T7137] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  256.959557][ T7137] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  256.959572][ T7137] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  256.959587][ T7137] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  256.959600][ T7137] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  256.959630][ T7137]  </TASK>
[  256.959659][ T7137] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.286127][ T7137] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.607345][ T7141] loop1: detected capacity change from 0 to 32768
[  257.624405][ T7141] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.632309][ T7141] CPU: 1 UID: 0 PID: 7141 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  257.632335][ T7141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  257.632348][ T7141] Call Trace:
[  257.632357][ T7141]  <TASK>
[  257.632365][ T7141]  dump_stack_lvl+0x189/0x250
[  257.632398][ T7141]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.632423][ T7141]  ? __pfx__printk+0x10/0x10
[  257.632458][ T7141]  ? kernfs_path_from_node+0x250/0x290
[  257.632479][ T7141]  ? kernfs_path_from_node+0x2f/0x290
[  257.632503][ T7141]  sysfs_create_dir_ns+0x259/0x280
[  257.632525][ T7141]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.632555][ T7141]  ? do_raw_spin_unlock+0x122/0x240
[  257.632584][ T7141]  kobject_add_internal+0x59f/0xb40
[  257.632621][ T7141]  kobject_init_and_add+0x125/0x190
[  257.632653][ T7141]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.632681][ T7141]  ? __raw_spin_lock_init+0x45/0x100
[  257.632708][ T7141]  ? __init_swait_queue_head+0xa9/0x150
[  257.632736][ T7141]  gfs2_sys_fs_add+0x234/0x450
[  257.632767][ T7141]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.632801][ T7141]  ? is_dynamic_key+0xd6/0x1c0
[  257.632829][ T7141]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.632868][ T7141]  gfs2_fill_super+0x13c0/0x20d0
[  257.632911][ T7141]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.632937][ T7141]  ? sb_set_blocksize+0x104/0x180
[  257.632963][ T7141]  ? setup_bdev_super+0x4c1/0x5b0
[  257.632990][ T7141]  get_tree_bdev_flags+0x40e/0x4d0
[  257.633015][ T7141]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.633037][ T7141]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.633058][ T7141]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.633097][ T7141]  gfs2_get_tree+0x51/0x1e0
[  257.633123][ T7141]  vfs_get_tree+0x92/0x2b0
[  257.633148][ T7141]  do_new_mount+0x302/0x9e0
[  257.633172][ T7141]  ? apparmor_capable+0x137/0x1b0
[  257.633205][ T7141]  ? __pfx_do_new_mount+0x10/0x10
[  257.633230][ T7141]  ? ns_capable+0x8a/0xf0
[  257.633252][ T7141]  ? kmem_cache_free+0x19b/0x690
[  257.633286][ T7141]  __se_sys_mount+0x313/0x410
[  257.633318][ T7141]  ? __pfx___se_sys_mount+0x10/0x10
[  257.633349][ T7141]  ? do_syscall_64+0xbe/0xfa0
[  257.633370][ T7141]  ? __x64_sys_mount+0x20/0xc0
[  257.633398][ T7141]  do_syscall_64+0xfa/0xfa0
[  257.633420][ T7141]  ? lockdep_hardirqs_on+0x9c/0x150
[  257.633442][ T7141]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.633462][ T7141]  ? clear_bhb_loop+0x60/0xb0
[  257.633486][ T7141]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.633505][ T7141] RIP: 0033:0x7f499779038a
[  257.633523][ T7141] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.633546][ T7141] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.633567][ T7141] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  257.633583][ T7141] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  257.633598][ T7141] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  257.633612][ T7141] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.633626][ T7141] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  257.633658][ T7141]  </TASK>
[  257.633684][ T7141] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.959036][ T7141] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.290149][ T7145] loop1: detected capacity change from 0 to 32768
[  258.300314][ T7145] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.307807][ T7145] CPU: 0 UID: 0 PID: 7145 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  258.307835][ T7145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  258.307849][ T7145] Call Trace:
[  258.307857][ T7145]  <TASK>
[  258.307865][ T7145]  dump_stack_lvl+0x189/0x250
[  258.307895][ T7145]  ? __pfx_dump_stack_lvl+0x10/0x10
[  258.307919][ T7145]  ? __pfx__printk+0x10/0x10
[  258.307951][ T7145]  ? kernfs_path_from_node+0x250/0x290
[  258.307970][ T7145]  ? kernfs_path_from_node+0x2f/0x290
[  258.307994][ T7145]  sysfs_create_dir_ns+0x259/0x280
[  258.308017][ T7145]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.308040][ T7145]  ? do_raw_spin_unlock+0x122/0x240
[  258.308067][ T7145]  kobject_add_internal+0x59f/0xb40
[  258.308103][ T7145]  kobject_init_and_add+0x125/0x190
[  258.308153][ T7145]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.308182][ T7145]  ? __raw_spin_lock_init+0x45/0x100
[  258.308215][ T7145]  ? __init_swait_queue_head+0xa9/0x150
[  258.308242][ T7145]  gfs2_sys_fs_add+0x234/0x450
[  258.308274][ T7145]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.308308][ T7145]  ? is_dynamic_key+0xd6/0x1c0
[  258.308335][ T7145]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.308374][ T7145]  gfs2_fill_super+0x13c0/0x20d0
[  258.308410][ T7145]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.308437][ T7145]  ? sb_set_blocksize+0x104/0x180
[  258.308464][ T7145]  ? setup_bdev_super+0x4c1/0x5b0
[  258.308491][ T7145]  get_tree_bdev_flags+0x40e/0x4d0
[  258.308513][ T7145]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.308534][ T7145]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.308557][ T7145]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  258.308594][ T7145]  gfs2_get_tree+0x51/0x1e0
[  258.308618][ T7145]  vfs_get_tree+0x92/0x2b0
[  258.308641][ T7145]  do_new_mount+0x302/0x9e0
[  258.308664][ T7145]  ? apparmor_capable+0x137/0x1b0
[  258.308697][ T7145]  ? __pfx_do_new_mount+0x10/0x10
[  258.308720][ T7145]  ? ns_capable+0x8a/0xf0
[  258.308742][ T7145]  ? kmem_cache_free+0x19b/0x690
[  258.308777][ T7145]  __se_sys_mount+0x313/0x410
[  258.308807][ T7145]  ? __pfx___se_sys_mount+0x10/0x10
[  258.308842][ T7145]  ? do_syscall_64+0xbe/0xfa0
[  258.308871][ T7145]  ? __x64_sys_mount+0x20/0xc0
[  258.308899][ T7145]  do_syscall_64+0xfa/0xfa0
[  258.308921][ T7145]  ? lockdep_hardirqs_on+0x9c/0x150
[  258.308943][ T7145]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.308963][ T7145]  ? clear_bhb_loop+0x60/0xb0
[  258.308987][ T7145]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.309006][ T7145] RIP: 0033:0x7f499779038a
[  258.309023][ T7145] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.309040][ T7145] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.309062][ T7145] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  258.309077][ T7145] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  258.309091][ T7145] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  258.309105][ T7145] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  258.309119][ T7145] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  258.309151][ T7145]  </TASK>
[  258.309179][ T7145] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.639053][ T7145] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.967364][ T7149] loop1: detected capacity change from 0 to 32768
[  258.979302][ T7149] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.989107][ T7149] CPU: 1 UID: 0 PID: 7149 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  258.989132][ T7149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  258.989145][ T7149] Call Trace:
[  258.989153][ T7149]  <TASK>
[  258.989161][ T7149]  dump_stack_lvl+0x189/0x250
[  258.989191][ T7149]  ? __pfx_dump_stack_lvl+0x10/0x10
[  258.989215][ T7149]  ? __pfx__printk+0x10/0x10
[  258.989251][ T7149]  ? kernfs_path_from_node+0x250/0x290
[  258.989271][ T7149]  ? kernfs_path_from_node+0x2f/0x290
[  258.989294][ T7149]  sysfs_create_dir_ns+0x259/0x280
[  258.989316][ T7149]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.989337][ T7149]  ? do_raw_spin_unlock+0x122/0x240
[  258.989365][ T7149]  kobject_add_internal+0x59f/0xb40
[  258.989400][ T7149]  kobject_init_and_add+0x125/0x190
[  258.989439][ T7149]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.989467][ T7149]  ? __raw_spin_lock_init+0x45/0x100
[  258.989491][ T7149]  ? __init_swait_queue_head+0xa9/0x150
[  258.989518][ T7149]  gfs2_sys_fs_add+0x234/0x450
[  258.989549][ T7149]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.989585][ T7149]  ? is_dynamic_key+0xd6/0x1c0
[  258.989613][ T7149]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.989653][ T7149]  gfs2_fill_super+0x13c0/0x20d0
[  258.989691][ T7149]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.989717][ T7149]  ? sb_set_blocksize+0x104/0x180
[  258.989741][ T7149]  ? setup_bdev_super+0x4c1/0x5b0
[  258.989767][ T7149]  get_tree_bdev_flags+0x40e/0x4d0
[  258.989790][ T7149]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.989810][ T7149]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.989831][ T7149]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  258.989870][ T7149]  gfs2_get_tree+0x51/0x1e0
[  258.989894][ T7149]  vfs_get_tree+0x92/0x2b0
[  258.989920][ T7149]  do_new_mount+0x302/0x9e0
[  258.989943][ T7149]  ? apparmor_capable+0x137/0x1b0
[  258.989975][ T7149]  ? __pfx_do_new_mount+0x10/0x10
[  258.990000][ T7149]  ? ns_capable+0x8a/0xf0
[  258.990023][ T7149]  ? kmem_cache_free+0x19b/0x690
[  258.990057][ T7149]  __se_sys_mount+0x313/0x410
[  258.990087][ T7149]  ? __pfx___se_sys_mount+0x10/0x10
[  258.990118][ T7149]  ? do_syscall_64+0xbe/0xfa0
[  258.990141][ T7149]  ? __x64_sys_mount+0x20/0xc0
[  258.990169][ T7149]  do_syscall_64+0xfa/0xfa0
[  258.990188][ T7149]  ? lockdep_hardirqs_on+0x9c/0x150
[  258.990207][ T7149]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.990225][ T7149]  ? clear_bhb_loop+0x60/0xb0
[  258.990247][ T7149]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.990263][ T7149] RIP: 0033:0x7f499779038a
[  258.990280][ T7149] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.990299][ T7149] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.990321][ T7149] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  258.990336][ T7149] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  258.990350][ T7149] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  258.990364][ T7149] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  258.990376][ T7149] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  258.990408][ T7149]  </TASK>
[  259.300762][ T7149] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.314701][ T7149] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:28:12 executed programs: 163
[  259.643628][ T7153] loop1: detected capacity change from 0 to 32768
[  259.656293][ T7153] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.663858][ T7153] CPU: 1 UID: 0 PID: 7153 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  259.663885][ T7153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  259.663898][ T7153] Call Trace:
[  259.663906][ T7153]  <TASK>
[  259.663915][ T7153]  dump_stack_lvl+0x189/0x250
[  259.663947][ T7153]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.663972][ T7153]  ? __pfx__printk+0x10/0x10
[  259.664009][ T7153]  ? kernfs_path_from_node+0x250/0x290
[  259.664029][ T7153]  ? kernfs_path_from_node+0x2f/0x290
[  259.664055][ T7153]  sysfs_create_dir_ns+0x259/0x280
[  259.664088][ T7153]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.664109][ T7153]  ? do_raw_spin_unlock+0x122/0x240
[  259.664137][ T7153]  kobject_add_internal+0x59f/0xb40
[  259.664172][ T7153]  kobject_init_and_add+0x125/0x190
[  259.664204][ T7153]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.664230][ T7153]  ? __raw_spin_lock_init+0x45/0x100
[  259.664254][ T7153]  ? __init_swait_queue_head+0xa9/0x150
[  259.664282][ T7153]  gfs2_sys_fs_add+0x234/0x450
[  259.664313][ T7153]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.664345][ T7153]  ? is_dynamic_key+0xd6/0x1c0
[  259.664372][ T7153]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.664409][ T7153]  gfs2_fill_super+0x13c0/0x20d0
[  259.664447][ T7153]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.664474][ T7153]  ? sb_set_blocksize+0x104/0x180
[  259.664499][ T7153]  ? setup_bdev_super+0x4c1/0x5b0
[  259.664525][ T7153]  get_tree_bdev_flags+0x40e/0x4d0
[  259.664549][ T7153]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.664573][ T7153]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.664595][ T7153]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.664635][ T7153]  gfs2_get_tree+0x51/0x1e0
[  259.664661][ T7153]  vfs_get_tree+0x92/0x2b0
[  259.664685][ T7153]  do_new_mount+0x302/0x9e0
[  259.664708][ T7153]  ? apparmor_capable+0x137/0x1b0
[  259.664741][ T7153]  ? __pfx_do_new_mount+0x10/0x10
[  259.664765][ T7153]  ? ns_capable+0x8a/0xf0
[  259.664786][ T7153]  ? kmem_cache_free+0x19b/0x690
[  259.664819][ T7153]  __se_sys_mount+0x313/0x410
[  259.664852][ T7153]  ? __pfx___se_sys_mount+0x10/0x10
[  259.664881][ T7153]  ? do_syscall_64+0xbe/0xfa0
[  259.664902][ T7153]  ? __x64_sys_mount+0x20/0xc0
[  259.664926][ T7153]  do_syscall_64+0xfa/0xfa0
[  259.664946][ T7153]  ? lockdep_hardirqs_on+0x9c/0x150
[  259.664968][ T7153]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.664987][ T7153]  ? clear_bhb_loop+0x60/0xb0
[  259.665011][ T7153]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.665030][ T7153] RIP: 0033:0x7f499779038a
[  259.665049][ T7153] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  259.665075][ T7153] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.665097][ T7153] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  259.665112][ T7153] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  259.665128][ T7153] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  259.665142][ T7153] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.665156][ T7153] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  259.665191][ T7153]  </TASK>
[  259.665219][ T7153] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.991912][ T7153] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.323046][ T7157] loop1: detected capacity change from 0 to 32768
[  260.342603][ T7157] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.351279][ T7157] CPU: 1 UID: 0 PID: 7157 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  260.351305][ T7157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  260.351316][ T7157] Call Trace:
[  260.351324][ T7157]  <TASK>
[  260.351332][ T7157]  dump_stack_lvl+0x189/0x250
[  260.351365][ T7157]  ? __pfx_dump_stack_lvl+0x10/0x10
[  260.351391][ T7157]  ? __pfx__printk+0x10/0x10
[  260.351427][ T7157]  ? kernfs_path_from_node+0x250/0x290
[  260.351448][ T7157]  ? kernfs_path_from_node+0x2f/0x290
[  260.351473][ T7157]  sysfs_create_dir_ns+0x259/0x280
[  260.351495][ T7157]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  260.351517][ T7157]  ? do_raw_spin_unlock+0x122/0x240
[  260.351546][ T7157]  kobject_add_internal+0x59f/0xb40
[  260.351580][ T7157]  kobject_init_and_add+0x125/0x190
[  260.351612][ T7157]  ? __pfx_kobject_init_and_add+0x10/0x10
[  260.351639][ T7157]  ? __raw_spin_lock_init+0x45/0x100
[  260.351665][ T7157]  ? __init_swait_queue_head+0xa9/0x150
[  260.351691][ T7157]  gfs2_sys_fs_add+0x234/0x450
[  260.351722][ T7157]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  260.351756][ T7157]  ? is_dynamic_key+0xd6/0x1c0
[  260.351781][ T7157]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  260.351822][ T7157]  gfs2_fill_super+0x13c0/0x20d0
[  260.351859][ T7157]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.351886][ T7157]  ? sb_set_blocksize+0x104/0x180
[  260.351912][ T7157]  ? setup_bdev_super+0x4c1/0x5b0
[  260.351939][ T7157]  get_tree_bdev_flags+0x40e/0x4d0
[  260.351962][ T7157]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.351983][ T7157]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  260.352004][ T7157]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  260.352044][ T7157]  gfs2_get_tree+0x51/0x1e0
[  260.352080][ T7157]  vfs_get_tree+0x92/0x2b0
[  260.352107][ T7157]  do_new_mount+0x302/0x9e0
[  260.352130][ T7157]  ? apparmor_capable+0x137/0x1b0
[  260.352163][ T7157]  ? __pfx_do_new_mount+0x10/0x10
[  260.352187][ T7157]  ? ns_capable+0x8a/0xf0
[  260.352209][ T7157]  ? kmem_cache_free+0x19b/0x690
[  260.352244][ T7157]  __se_sys_mount+0x313/0x410
[  260.352276][ T7157]  ? __pfx___se_sys_mount+0x10/0x10
[  260.352304][ T7157]  ? do_syscall_64+0xbe/0xfa0
[  260.352325][ T7157]  ? __x64_sys_mount+0x20/0xc0
[  260.352352][ T7157]  do_syscall_64+0xfa/0xfa0
[  260.352375][ T7157]  ? lockdep_hardirqs_on+0x9c/0x150
[  260.352399][ T7157]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.352419][ T7157]  ? clear_bhb_loop+0x60/0xb0
[  260.352443][ T7157]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.352463][ T7157] RIP: 0033:0x7f499779038a
[  260.352480][ T7157] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.352499][ T7157] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.352520][ T7157] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  260.352535][ T7157] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  260.352549][ T7157] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  260.352563][ T7157] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  260.352576][ T7157] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  260.352610][ T7157]  </TASK>
[  260.352635][ T7157] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.679978][ T7157] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.046344][ T7161] loop1: detected capacity change from 0 to 32768
[  261.057353][ T7161] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.065269][ T7161] CPU: 1 UID: 0 PID: 7161 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  261.065294][ T7161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  261.065307][ T7161] Call Trace:
[  261.065315][ T7161]  <TASK>
[  261.065323][ T7161]  dump_stack_lvl+0x189/0x250
[  261.065355][ T7161]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.065379][ T7161]  ? __pfx__printk+0x10/0x10
[  261.065419][ T7161]  ? kernfs_path_from_node+0x250/0x290
[  261.065439][ T7161]  ? kernfs_path_from_node+0x2f/0x290
[  261.065463][ T7161]  sysfs_create_dir_ns+0x259/0x280
[  261.065485][ T7161]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.065507][ T7161]  ? do_raw_spin_unlock+0x122/0x240
[  261.065536][ T7161]  kobject_add_internal+0x59f/0xb40
[  261.065572][ T7161]  kobject_init_and_add+0x125/0x190
[  261.065603][ T7161]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.065629][ T7161]  ? __raw_spin_lock_init+0x45/0x100
[  261.065653][ T7161]  ? __init_swait_queue_head+0xa9/0x150
[  261.065681][ T7161]  gfs2_sys_fs_add+0x234/0x450
[  261.065714][ T7161]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.065749][ T7161]  ? is_dynamic_key+0xd6/0x1c0
[  261.065776][ T7161]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.065813][ T7161]  gfs2_fill_super+0x13c0/0x20d0
[  261.065850][ T7161]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.065876][ T7161]  ? sb_set_blocksize+0x104/0x180
[  261.065901][ T7161]  ? setup_bdev_super+0x4c1/0x5b0
[  261.065927][ T7161]  get_tree_bdev_flags+0x40e/0x4d0
[  261.065950][ T7161]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.065972][ T7161]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.066002][ T7161]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.066040][ T7161]  gfs2_get_tree+0x51/0x1e0
[  261.066065][ T7161]  vfs_get_tree+0x92/0x2b0
[  261.066090][ T7161]  do_new_mount+0x302/0x9e0
[  261.066113][ T7161]  ? apparmor_capable+0x137/0x1b0
[  261.066146][ T7161]  ? __pfx_do_new_mount+0x10/0x10
[  261.066171][ T7161]  ? ns_capable+0x8a/0xf0
[  261.066191][ T7161]  ? kmem_cache_free+0x19b/0x690
[  261.066226][ T7161]  __se_sys_mount+0x313/0x410
[  261.066259][ T7161]  ? __pfx___se_sys_mount+0x10/0x10
[  261.066290][ T7161]  ? do_syscall_64+0xbe/0xfa0
[  261.066313][ T7161]  ? __x64_sys_mount+0x20/0xc0
[  261.066341][ T7161]  do_syscall_64+0xfa/0xfa0
[  261.066362][ T7161]  ? lockdep_hardirqs_on+0x9c/0x150
[  261.066384][ T7161]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.066404][ T7161]  ? clear_bhb_loop+0x60/0xb0
[  261.066427][ T7161]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.066446][ T7161] RIP: 0033:0x7f499779038a
[  261.066464][ T7161] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.066488][ T7161] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.066510][ T7161] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  261.066524][ T7161] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  261.066538][ T7161] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  261.066552][ T7161] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.066565][ T7161] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  261.066600][ T7161]  </TASK>
[  261.066627][ T7161] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.392606][ T7161] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.713812][ T7165] loop1: detected capacity change from 0 to 32768
[  261.747478][ T7165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.755018][ T7165] CPU: 1 UID: 0 PID: 7165 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  261.755046][ T7165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  261.755059][ T7165] Call Trace:
[  261.755067][ T7165]  <TASK>
[  261.755076][ T7165]  dump_stack_lvl+0x189/0x250
[  261.755108][ T7165]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.755131][ T7165]  ? __pfx__printk+0x10/0x10
[  261.755171][ T7165]  ? kernfs_path_from_node+0x250/0x290
[  261.755190][ T7165]  ? kernfs_path_from_node+0x2f/0x290
[  261.755213][ T7165]  sysfs_create_dir_ns+0x259/0x280
[  261.755237][ T7165]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.755260][ T7165]  ? do_raw_spin_unlock+0x122/0x240
[  261.755291][ T7165]  kobject_add_internal+0x59f/0xb40
[  261.755328][ T7165]  kobject_init_and_add+0x125/0x190
[  261.755359][ T7165]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.755387][ T7165]  ? __raw_spin_lock_init+0x45/0x100
[  261.755413][ T7165]  ? __init_swait_queue_head+0xa9/0x150
[  261.755442][ T7165]  gfs2_sys_fs_add+0x234/0x450
[  261.755474][ T7165]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.755520][ T7165]  ? is_dynamic_key+0xd6/0x1c0
[  261.755547][ T7165]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.755584][ T7165]  gfs2_fill_super+0x13c0/0x20d0
[  261.755622][ T7165]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.755653][ T7165]  ? sb_set_blocksize+0x104/0x180
[  261.755680][ T7165]  ? setup_bdev_super+0x4c1/0x5b0
[  261.755708][ T7165]  get_tree_bdev_flags+0x40e/0x4d0
[  261.755733][ T7165]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.755756][ T7165]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.755777][ T7165]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.755816][ T7165]  gfs2_get_tree+0x51/0x1e0
[  261.755842][ T7165]  vfs_get_tree+0x92/0x2b0
[  261.755870][ T7165]  do_new_mount+0x302/0x9e0
[  261.755894][ T7165]  ? apparmor_capable+0x137/0x1b0
[  261.755928][ T7165]  ? __pfx_do_new_mount+0x10/0x10
[  261.755953][ T7165]  ? ns_capable+0x8a/0xf0
[  261.755974][ T7165]  ? kmem_cache_free+0x19b/0x690
[  261.756009][ T7165]  __se_sys_mount+0x313/0x410
[  261.756041][ T7165]  ? __pfx___se_sys_mount+0x10/0x10
[  261.756072][ T7165]  ? do_syscall_64+0xbe/0xfa0
[  261.756095][ T7165]  ? __x64_sys_mount+0x20/0xc0
[  261.756123][ T7165]  do_syscall_64+0xfa/0xfa0
[  261.756146][ T7165]  ? lockdep_hardirqs_on+0x9c/0x150
[  261.756174][ T7165]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.756194][ T7165]  ? clear_bhb_loop+0x60/0xb0
[  261.756218][ T7165]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.756238][ T7165] RIP: 0033:0x7f499779038a
[  261.756256][ T7165] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.756275][ T7165] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.756298][ T7165] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  261.756313][ T7165] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  261.756329][ T7165] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  261.756343][ T7165] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.756356][ T7165] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  261.756388][ T7165]  </TASK>
[  261.756415][ T7165] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.083107][ T7165] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.417111][ T7169] loop1: detected capacity change from 0 to 32768
[  262.432720][ T7169] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.440140][ T7169] CPU: 1 UID: 0 PID: 7169 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  262.440167][ T7169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  262.440183][ T7169] Call Trace:
[  262.440191][ T7169]  <TASK>
[  262.440198][ T7169]  dump_stack_lvl+0x189/0x250
[  262.440228][ T7169]  ? __pfx_dump_stack_lvl+0x10/0x10
[  262.440251][ T7169]  ? __pfx__printk+0x10/0x10
[  262.440286][ T7169]  ? kernfs_path_from_node+0x250/0x290
[  262.440305][ T7169]  ? kernfs_path_from_node+0x2f/0x290
[  262.440329][ T7169]  sysfs_create_dir_ns+0x259/0x280
[  262.440351][ T7169]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.440373][ T7169]  ? do_raw_spin_unlock+0x122/0x240
[  262.440401][ T7169]  kobject_add_internal+0x59f/0xb40
[  262.440437][ T7169]  kobject_init_and_add+0x125/0x190
[  262.440470][ T7169]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.440495][ T7169]  ? __raw_spin_lock_init+0x45/0x100
[  262.440521][ T7169]  ? __init_swait_queue_head+0xa9/0x150
[  262.440548][ T7169]  gfs2_sys_fs_add+0x234/0x450
[  262.440581][ T7169]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.440616][ T7169]  ? is_dynamic_key+0xd6/0x1c0
[  262.440644][ T7169]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.440683][ T7169]  gfs2_fill_super+0x13c0/0x20d0
[  262.440720][ T7169]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.440746][ T7169]  ? sb_set_blocksize+0x104/0x180
[  262.440772][ T7169]  ? setup_bdev_super+0x4c1/0x5b0
[  262.440800][ T7169]  get_tree_bdev_flags+0x40e/0x4d0
[  262.440824][ T7169]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.440845][ T7169]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.440866][ T7169]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  262.440917][ T7169]  gfs2_get_tree+0x51/0x1e0
[  262.440943][ T7169]  vfs_get_tree+0x92/0x2b0
[  262.440970][ T7169]  do_new_mount+0x302/0x9e0
[  262.440994][ T7169]  ? apparmor_capable+0x137/0x1b0
[  262.441027][ T7169]  ? __pfx_do_new_mount+0x10/0x10
[  262.441052][ T7169]  ? ns_capable+0x8a/0xf0
[  262.441072][ T7169]  ? kmem_cache_free+0x19b/0x690
[  262.441108][ T7169]  __se_sys_mount+0x313/0x410
[  262.441139][ T7169]  ? __pfx___se_sys_mount+0x10/0x10
[  262.441167][ T7169]  ? do_syscall_64+0xbe/0xfa0
[  262.441188][ T7169]  ? __x64_sys_mount+0x20/0xc0
[  262.441216][ T7169]  do_syscall_64+0xfa/0xfa0
[  262.441239][ T7169]  ? lockdep_hardirqs_on+0x9c/0x150
[  262.441262][ T7169]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.441282][ T7169]  ? clear_bhb_loop+0x60/0xb0
[  262.441303][ T7169]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.441318][ T7169] RIP: 0033:0x7f499779038a
[  262.441334][ T7169] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  262.441351][ T7169] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.441371][ T7169] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  262.441384][ T7169] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  262.441397][ T7169] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  262.441409][ T7169] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  262.441419][ T7169] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  262.441445][ T7169]  </TASK>
[  262.754447][ T7169] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.768448][ T7169] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.107214][ T7173] loop1: detected capacity change from 0 to 32768
[  263.126945][ T7173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.134661][ T7173] CPU: 1 UID: 0 PID: 7173 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  263.134687][ T7173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  263.134699][ T7173] Call Trace:
[  263.134707][ T7173]  <TASK>
[  263.134716][ T7173]  dump_stack_lvl+0x189/0x250
[  263.134749][ T7173]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.134775][ T7173]  ? __pfx__printk+0x10/0x10
[  263.134809][ T7173]  ? kernfs_path_from_node+0x250/0x290
[  263.134830][ T7173]  ? kernfs_path_from_node+0x2f/0x290
[  263.134855][ T7173]  sysfs_create_dir_ns+0x259/0x280
[  263.134876][ T7173]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.134898][ T7173]  ? do_raw_spin_unlock+0x122/0x240
[  263.134926][ T7173]  kobject_add_internal+0x59f/0xb40
[  263.134960][ T7173]  kobject_init_and_add+0x125/0x190
[  263.134991][ T7173]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.135018][ T7173]  ? __raw_spin_lock_init+0x45/0x100
[  263.135044][ T7173]  ? __init_swait_queue_head+0xa9/0x150
[  263.135096][ T7173]  gfs2_sys_fs_add+0x234/0x450
[  263.135126][ T7173]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.135160][ T7173]  ? is_dynamic_key+0xd6/0x1c0
[  263.135186][ T7173]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.135226][ T7173]  gfs2_fill_super+0x13c0/0x20d0
[  263.135262][ T7173]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.135289][ T7173]  ? sb_set_blocksize+0x104/0x180
[  263.135316][ T7173]  ? setup_bdev_super+0x4c1/0x5b0
[  263.135345][ T7173]  get_tree_bdev_flags+0x40e/0x4d0
[  263.135369][ T7173]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.135392][ T7173]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.135413][ T7173]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.135451][ T7173]  gfs2_get_tree+0x51/0x1e0
[  263.135475][ T7173]  vfs_get_tree+0x92/0x2b0
[  263.135500][ T7173]  do_new_mount+0x302/0x9e0
[  263.135522][ T7173]  ? apparmor_capable+0x137/0x1b0
[  263.135555][ T7173]  ? __pfx_do_new_mount+0x10/0x10
[  263.135580][ T7173]  ? ns_capable+0x8a/0xf0
[  263.135600][ T7173]  ? kmem_cache_free+0x19b/0x690
[  263.135637][ T7173]  __se_sys_mount+0x313/0x410
[  263.135668][ T7173]  ? __pfx___se_sys_mount+0x10/0x10
[  263.135698][ T7173]  ? do_syscall_64+0xbe/0xfa0
[  263.135720][ T7173]  ? __x64_sys_mount+0x20/0xc0
[  263.135747][ T7173]  do_syscall_64+0xfa/0xfa0
[  263.135768][ T7173]  ? lockdep_hardirqs_on+0x9c/0x150
[  263.135791][ T7173]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.135809][ T7173]  ? clear_bhb_loop+0x60/0xb0
[  263.135834][ T7173]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.135854][ T7173] RIP: 0033:0x7f499779038a
[  263.135872][ T7173] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  263.135892][ T7173] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.135914][ T7173] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  263.135929][ T7173] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  263.135944][ T7173] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  263.135958][ T7173] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  263.135971][ T7173] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  263.136004][ T7173]  </TASK>
[  263.136093][ T7173] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.462563][ T7173] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.792471][ T7177] loop1: detected capacity change from 0 to 32768
[  263.816646][ T7177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.824557][ T7177] CPU: 1 UID: 0 PID: 7177 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  263.824586][ T7177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  263.824599][ T7177] Call Trace:
[  263.824608][ T7177]  <TASK>
[  263.824617][ T7177]  dump_stack_lvl+0x189/0x250
[  263.824649][ T7177]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.824674][ T7177]  ? __pfx__printk+0x10/0x10
[  263.824709][ T7177]  ? kernfs_path_from_node+0x250/0x290
[  263.824729][ T7177]  ? kernfs_path_from_node+0x2f/0x290
[  263.824753][ T7177]  sysfs_create_dir_ns+0x259/0x280
[  263.824776][ T7177]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.824799][ T7177]  ? do_raw_spin_unlock+0x122/0x240
[  263.824838][ T7177]  kobject_add_internal+0x59f/0xb40
[  263.824875][ T7177]  kobject_init_and_add+0x125/0x190
[  263.824907][ T7177]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.824935][ T7177]  ? __raw_spin_lock_init+0x45/0x100
[  263.824960][ T7177]  ? __init_swait_queue_head+0xa9/0x150
[  263.824988][ T7177]  gfs2_sys_fs_add+0x234/0x450
[  263.825019][ T7177]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.825054][ T7177]  ? is_dynamic_key+0xd6/0x1c0
[  263.825080][ T7177]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.825119][ T7177]  gfs2_fill_super+0x13c0/0x20d0
[  263.825158][ T7177]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.825185][ T7177]  ? sb_set_blocksize+0x104/0x180
[  263.825211][ T7177]  ? setup_bdev_super+0x4c1/0x5b0
[  263.825239][ T7177]  get_tree_bdev_flags+0x40e/0x4d0
[  263.825263][ T7177]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.825286][ T7177]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.825307][ T7177]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.825346][ T7177]  gfs2_get_tree+0x51/0x1e0
[  263.825370][ T7177]  vfs_get_tree+0x92/0x2b0
[  263.825397][ T7177]  do_new_mount+0x302/0x9e0
[  263.825425][ T7177]  ? apparmor_capable+0x137/0x1b0
[  263.825459][ T7177]  ? __pfx_do_new_mount+0x10/0x10
[  263.825484][ T7177]  ? ns_capable+0x8a/0xf0
[  263.825505][ T7177]  ? kmem_cache_free+0x19b/0x690
[  263.825542][ T7177]  __se_sys_mount+0x313/0x410
[  263.825574][ T7177]  ? __pfx___se_sys_mount+0x10/0x10
[  263.825603][ T7177]  ? do_syscall_64+0xbe/0xfa0
[  263.825625][ T7177]  ? __x64_sys_mount+0x20/0xc0
[  263.825652][ T7177]  do_syscall_64+0xfa/0xfa0
[  263.825674][ T7177]  ? lockdep_hardirqs_on+0x9c/0x150
[  263.825698][ T7177]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.825719][ T7177]  ? clear_bhb_loop+0x60/0xb0
[  263.825743][ T7177]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.825762][ T7177] RIP: 0033:0x7f499779038a
[  263.825780][ T7177] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  263.825798][ T7177] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.825820][ T7177] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  263.825841][ T7177] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  263.825856][ T7177] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  263.825870][ T7177] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  263.825884][ T7177] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  263.825918][ T7177]  </TASK>
[  263.826361][ T7177] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.152265][ T7177] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.480528][ T7181] loop1: detected capacity change from 0 to 32768
[  264.492179][ T7181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.499593][ T7181] CPU: 1 UID: 0 PID: 7181 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  264.499619][ T7181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  264.499631][ T7181] Call Trace:
[  264.499640][ T7181]  <TASK>
[  264.499648][ T7181]  dump_stack_lvl+0x189/0x250
[  264.499680][ T7181]  ? __pfx_dump_stack_lvl+0x10/0x10
[  264.499704][ T7181]  ? __pfx__printk+0x10/0x10
[  264.499738][ T7181]  ? kernfs_path_from_node+0x250/0x290
[  264.499758][ T7181]  ? kernfs_path_from_node+0x2f/0x290
[  264.499791][ T7181]  sysfs_create_dir_ns+0x259/0x280
[  264.499813][ T7181]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.499834][ T7181]  ? do_raw_spin_unlock+0x122/0x240
[  264.499863][ T7181]  kobject_add_internal+0x59f/0xb40
[  264.499899][ T7181]  kobject_init_and_add+0x125/0x190
[  264.499930][ T7181]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.499958][ T7181]  ? __raw_spin_lock_init+0x45/0x100
[  264.499984][ T7181]  ? __init_swait_queue_head+0xa9/0x150
[  264.500013][ T7181]  gfs2_sys_fs_add+0x234/0x450
[  264.500044][ T7181]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.500079][ T7181]  ? is_dynamic_key+0xd6/0x1c0
[  264.500106][ T7181]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.500144][ T7181]  gfs2_fill_super+0x13c0/0x20d0
[  264.500187][ T7181]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.500212][ T7181]  ? sb_set_blocksize+0x104/0x180
[  264.500235][ T7181]  ? setup_bdev_super+0x4c1/0x5b0
[  264.500262][ T7181]  get_tree_bdev_flags+0x40e/0x4d0
[  264.500285][ T7181]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.500306][ T7181]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.500327][ T7181]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.500363][ T7181]  gfs2_get_tree+0x51/0x1e0
[  264.500387][ T7181]  vfs_get_tree+0x92/0x2b0
[  264.500413][ T7181]  do_new_mount+0x302/0x9e0
[  264.500437][ T7181]  ? apparmor_capable+0x137/0x1b0
[  264.500469][ T7181]  ? __pfx_do_new_mount+0x10/0x10
[  264.500494][ T7181]  ? ns_capable+0x8a/0xf0
[  264.500515][ T7181]  ? kmem_cache_free+0x19b/0x690
[  264.500549][ T7181]  __se_sys_mount+0x313/0x410
[  264.500582][ T7181]  ? __pfx___se_sys_mount+0x10/0x10
[  264.500611][ T7181]  ? do_syscall_64+0xbe/0xfa0
[  264.500632][ T7181]  ? __x64_sys_mount+0x20/0xc0
[  264.500659][ T7181]  do_syscall_64+0xfa/0xfa0
[  264.500681][ T7181]  ? lockdep_hardirqs_on+0x9c/0x150
[  264.500706][ T7181]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.500726][ T7181]  ? clear_bhb_loop+0x60/0xb0
[  264.500751][ T7181]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.500779][ T7181] RIP: 0033:0x7f499779038a
[  264.500797][ T7181] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  264.500815][ T7181] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.500837][ T7181] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  264.500851][ T7181] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  264.500865][ T7181] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  264.500879][ T7181] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  264.500891][ T7181] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  264.500922][ T7181]  </TASK>
[  264.815611][ T7181] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.831558][ T7181] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:28:17 executed programs: 171
[  265.140025][ T7185] loop1: detected capacity change from 0 to 32768
[  265.175476][ T7185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.189467][ T7185] CPU: 1 UID: 0 PID: 7185 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  265.189495][ T7185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  265.189508][ T7185] Call Trace:
[  265.189517][ T7185]  <TASK>
[  265.189526][ T7185]  dump_stack_lvl+0x189/0x250
[  265.189559][ T7185]  ? __pfx_dump_stack_lvl+0x10/0x10
[  265.189583][ T7185]  ? __pfx__printk+0x10/0x10
[  265.189619][ T7185]  ? kernfs_path_from_node+0x250/0x290
[  265.189639][ T7185]  ? kernfs_path_from_node+0x2f/0x290
[  265.189674][ T7185]  sysfs_create_dir_ns+0x259/0x280
[  265.189697][ T7185]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.189719][ T7185]  ? do_raw_spin_unlock+0x122/0x240
[  265.189749][ T7185]  kobject_add_internal+0x59f/0xb40
[  265.189786][ T7185]  kobject_init_and_add+0x125/0x190
[  265.189819][ T7185]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.189846][ T7185]  ? __raw_spin_lock_init+0x45/0x100
[  265.189872][ T7185]  ? __init_swait_queue_head+0xa9/0x150
[  265.189899][ T7185]  gfs2_sys_fs_add+0x234/0x450
[  265.189930][ T7185]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.189966][ T7185]  ? is_dynamic_key+0xd6/0x1c0
[  265.189993][ T7185]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.190032][ T7185]  gfs2_fill_super+0x13c0/0x20d0
[  265.190068][ T7185]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.190093][ T7185]  ? sb_set_blocksize+0x104/0x180
[  265.190119][ T7185]  ? setup_bdev_super+0x4c1/0x5b0
[  265.190149][ T7185]  get_tree_bdev_flags+0x40e/0x4d0
[  265.190173][ T7185]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.190197][ T7185]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.190215][ T7185]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  265.190249][ T7185]  gfs2_get_tree+0x51/0x1e0
[  265.190272][ T7185]  vfs_get_tree+0x92/0x2b0
[  265.190296][ T7185]  do_new_mount+0x302/0x9e0
[  265.190320][ T7185]  ? apparmor_capable+0x137/0x1b0
[  265.190354][ T7185]  ? __pfx_do_new_mount+0x10/0x10
[  265.190380][ T7185]  ? ns_capable+0x8a/0xf0
[  265.190401][ T7185]  ? kmem_cache_free+0x19b/0x690
[  265.190438][ T7185]  __se_sys_mount+0x313/0x410
[  265.190471][ T7185]  ? __pfx___se_sys_mount+0x10/0x10
[  265.190500][ T7185]  ? do_syscall_64+0xbe/0xfa0
[  265.190522][ T7185]  ? __x64_sys_mount+0x20/0xc0
[  265.190550][ T7185]  do_syscall_64+0xfa/0xfa0
[  265.190572][ T7185]  ? lockdep_hardirqs_on+0x9c/0x150
[  265.190595][ T7185]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.190615][ T7185]  ? clear_bhb_loop+0x60/0xb0
[  265.190639][ T7185]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.190659][ T7185] RIP: 0033:0x7f499779038a
[  265.190683][ T7185] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  265.190702][ T7185] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.190725][ T7185] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  265.190741][ T7185] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  265.190756][ T7185] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  265.190770][ T7185] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  265.190784][ T7185] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  265.190817][ T7185]  </TASK>
[  265.503012][ T7185] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.517498][ T7185] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.845549][ T7189] loop1: detected capacity change from 0 to 32768
[  265.874365][ T7189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.881895][ T7189] CPU: 1 UID: 0 PID: 7189 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  265.881922][ T7189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  265.881935][ T7189] Call Trace:
[  265.881943][ T7189]  <TASK>
[  265.881951][ T7189]  dump_stack_lvl+0x189/0x250
[  265.881983][ T7189]  ? __pfx_dump_stack_lvl+0x10/0x10
[  265.882006][ T7189]  ? __pfx__printk+0x10/0x10
[  265.882039][ T7189]  ? kernfs_path_from_node+0x250/0x290
[  265.882059][ T7189]  ? kernfs_path_from_node+0x2f/0x290
[  265.882079][ T7189]  sysfs_create_dir_ns+0x259/0x280
[  265.882100][ T7189]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.882121][ T7189]  ? do_raw_spin_unlock+0x122/0x240
[  265.882148][ T7189]  kobject_add_internal+0x59f/0xb40
[  265.882183][ T7189]  kobject_init_and_add+0x125/0x190
[  265.882215][ T7189]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.882242][ T7189]  ? __raw_spin_lock_init+0x45/0x100
[  265.882267][ T7189]  ? __init_swait_queue_head+0xa9/0x150
[  265.882295][ T7189]  gfs2_sys_fs_add+0x234/0x450
[  265.882327][ T7189]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.882361][ T7189]  ? is_dynamic_key+0xd6/0x1c0
[  265.882387][ T7189]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.882427][ T7189]  gfs2_fill_super+0x13c0/0x20d0
[  265.882463][ T7189]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.882488][ T7189]  ? sb_set_blocksize+0x104/0x180
[  265.882513][ T7189]  ? setup_bdev_super+0x4c1/0x5b0
[  265.882541][ T7189]  get_tree_bdev_flags+0x40e/0x4d0
[  265.882565][ T7189]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.882588][ T7189]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.882610][ T7189]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  265.882649][ T7189]  gfs2_get_tree+0x51/0x1e0
[  265.882681][ T7189]  vfs_get_tree+0x92/0x2b0
[  265.882706][ T7189]  do_new_mount+0x302/0x9e0
[  265.882729][ T7189]  ? apparmor_capable+0x137/0x1b0
[  265.882760][ T7189]  ? __pfx_do_new_mount+0x10/0x10
[  265.882784][ T7189]  ? ns_capable+0x8a/0xf0
[  265.882805][ T7189]  ? kmem_cache_free+0x19b/0x690
[  265.882840][ T7189]  __se_sys_mount+0x313/0x410
[  265.882872][ T7189]  ? __pfx___se_sys_mount+0x10/0x10
[  265.882901][ T7189]  ? do_syscall_64+0xbe/0xfa0
[  265.882921][ T7189]  ? __x64_sys_mount+0x20/0xc0
[  265.882947][ T7189]  do_syscall_64+0xfa/0xfa0
[  265.882969][ T7189]  ? lockdep_hardirqs_on+0x9c/0x150
[  265.882992][ T7189]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.883011][ T7189]  ? clear_bhb_loop+0x60/0xb0
[  265.883034][ T7189]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.883052][ T7189] RIP: 0033:0x7f499779038a
[  265.883069][ T7189] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  265.883088][ T7189] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.883111][ T7189] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  265.883126][ T7189] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  265.883142][ T7189] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  265.883156][ T7189] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  265.883170][ T7189] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  265.883203][ T7189]  </TASK>
[  265.883230][ T7189] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.212302][ T7189] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.682618][ T7193] loop1: detected capacity change from 0 to 32768
[  266.697321][ T7193] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.704972][ T7193] CPU: 1 UID: 0 PID: 7193 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  266.704997][ T7193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  266.705010][ T7193] Call Trace:
[  266.705019][ T7193]  <TASK>
[  266.705027][ T7193]  dump_stack_lvl+0x189/0x250
[  266.705061][ T7193]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.705085][ T7193]  ? __pfx__printk+0x10/0x10
[  266.705118][ T7193]  ? kernfs_path_from_node+0x250/0x290
[  266.705138][ T7193]  ? kernfs_path_from_node+0x2f/0x290
[  266.705169][ T7193]  sysfs_create_dir_ns+0x259/0x280
[  266.705190][ T7193]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.705212][ T7193]  ? do_raw_spin_unlock+0x122/0x240
[  266.705242][ T7193]  kobject_add_internal+0x59f/0xb40
[  266.705280][ T7193]  kobject_init_and_add+0x125/0x190
[  266.705314][ T7193]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.705343][ T7193]  ? __raw_spin_lock_init+0x45/0x100
[  266.705368][ T7193]  ? __init_swait_queue_head+0xa9/0x150
[  266.705395][ T7193]  gfs2_sys_fs_add+0x234/0x450
[  266.705424][ T7193]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.705459][ T7193]  ? is_dynamic_key+0xd6/0x1c0
[  266.705486][ T7193]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.705524][ T7193]  gfs2_fill_super+0x13c0/0x20d0
[  266.705562][ T7193]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.705589][ T7193]  ? sb_set_blocksize+0x104/0x180
[  266.705615][ T7193]  ? setup_bdev_super+0x4c1/0x5b0
[  266.705644][ T7193]  get_tree_bdev_flags+0x40e/0x4d0
[  266.705668][ T7193]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.705690][ T7193]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.705710][ T7193]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.705748][ T7193]  gfs2_get_tree+0x51/0x1e0
[  266.705772][ T7193]  vfs_get_tree+0x92/0x2b0
[  266.705796][ T7193]  do_new_mount+0x302/0x9e0
[  266.705819][ T7193]  ? apparmor_capable+0x137/0x1b0
[  266.705858][ T7193]  ? __pfx_do_new_mount+0x10/0x10
[  266.705883][ T7193]  ? ns_capable+0x8a/0xf0
[  266.705904][ T7193]  ? kmem_cache_free+0x19b/0x690
[  266.705938][ T7193]  __se_sys_mount+0x313/0x410
[  266.705970][ T7193]  ? __pfx___se_sys_mount+0x10/0x10
[  266.705999][ T7193]  ? do_syscall_64+0xbe/0xfa0
[  266.706020][ T7193]  ? __x64_sys_mount+0x20/0xc0
[  266.706046][ T7193]  do_syscall_64+0xfa/0xfa0
[  266.706068][ T7193]  ? lockdep_hardirqs_on+0x9c/0x150
[  266.706091][ T7193]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.706110][ T7193]  ? clear_bhb_loop+0x60/0xb0
[  266.706133][ T7193]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.706152][ T7193] RIP: 0033:0x7f499779038a
[  266.706170][ T7193] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.706190][ T7193] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.706212][ T7193] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  266.706228][ T7193] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  266.706244][ T7193] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  266.706258][ T7193] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  266.706272][ T7193] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  266.706304][ T7193]  </TASK>
[  266.706330][ T7193] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.033643][ T7193] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.361995][ T7197] loop1: detected capacity change from 0 to 32768
[  267.392572][ T7197] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.400005][ T7197] CPU: 1 UID: 0 PID: 7197 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  267.400022][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  267.400030][ T7197] Call Trace:
[  267.400035][ T7197]  <TASK>
[  267.400040][ T7197]  dump_stack_lvl+0x189/0x250
[  267.400060][ T7197]  ? __pfx_dump_stack_lvl+0x10/0x10
[  267.400073][ T7197]  ? __pfx__printk+0x10/0x10
[  267.400092][ T7197]  ? kernfs_path_from_node+0x250/0x290
[  267.400103][ T7197]  ? kernfs_path_from_node+0x2f/0x290
[  267.400116][ T7197]  sysfs_create_dir_ns+0x259/0x280
[  267.400128][ T7197]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.400140][ T7197]  ? do_raw_spin_unlock+0x122/0x240
[  267.400156][ T7197]  kobject_add_internal+0x59f/0xb40
[  267.400176][ T7197]  kobject_init_and_add+0x125/0x190
[  267.400207][ T7197]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.400230][ T7197]  ? __raw_spin_lock_init+0x45/0x100
[  267.400252][ T7197]  ? __init_swait_queue_head+0xa9/0x150
[  267.400291][ T7197]  gfs2_sys_fs_add+0x234/0x450
[  267.400319][ T7197]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.400352][ T7197]  ? is_dynamic_key+0xd6/0x1c0
[  267.400385][ T7197]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.400425][ T7197]  gfs2_fill_super+0x13c0/0x20d0
[  267.400464][ T7197]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.400490][ T7197]  ? sb_set_blocksize+0x104/0x180
[  267.400515][ T7197]  ? setup_bdev_super+0x4c1/0x5b0
[  267.400542][ T7197]  get_tree_bdev_flags+0x40e/0x4d0
[  267.400565][ T7197]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.400587][ T7197]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.400607][ T7197]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  267.400642][ T7197]  gfs2_get_tree+0x51/0x1e0
[  267.400657][ T7197]  vfs_get_tree+0x92/0x2b0
[  267.400671][ T7197]  do_new_mount+0x302/0x9e0
[  267.400684][ T7197]  ? apparmor_capable+0x137/0x1b0
[  267.400702][ T7197]  ? __pfx_do_new_mount+0x10/0x10
[  267.400716][ T7197]  ? ns_capable+0x8a/0xf0
[  267.400727][ T7197]  ? kmem_cache_free+0x19b/0x690
[  267.400753][ T7197]  __se_sys_mount+0x313/0x410
[  267.400771][ T7197]  ? __pfx___se_sys_mount+0x10/0x10
[  267.400786][ T7197]  ? do_syscall_64+0xbe/0xfa0
[  267.400798][ T7197]  ? __x64_sys_mount+0x20/0xc0
[  267.400812][ T7197]  do_syscall_64+0xfa/0xfa0
[  267.400824][ T7197]  ? lockdep_hardirqs_on+0x9c/0x150
[  267.400836][ T7197]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.400847][ T7197]  ? clear_bhb_loop+0x60/0xb0
[  267.400859][ T7197]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.400869][ T7197] RIP: 0033:0x7f499779038a
[  267.400881][ T7197] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  267.400891][ T7197] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.400904][ T7197] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  267.400912][ T7197] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  267.400919][ T7197] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  267.400926][ T7197] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  267.400933][ T7197] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  267.400951][ T7197]  </TASK>
[  267.711157][ T7197] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.725093][ T7197] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.054121][ T7201] loop1: detected capacity change from 0 to 32768
[  268.077147][ T7201] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.084758][ T7201] CPU: 1 UID: 0 PID: 7201 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  268.084785][ T7201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  268.084797][ T7201] Call Trace:
[  268.084805][ T7201]  <TASK>
[  268.084813][ T7201]  dump_stack_lvl+0x189/0x250
[  268.084846][ T7201]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.084870][ T7201]  ? __pfx__printk+0x10/0x10
[  268.084905][ T7201]  ? kernfs_path_from_node+0x250/0x290
[  268.084924][ T7201]  ? kernfs_path_from_node+0x2f/0x290
[  268.084946][ T7201]  sysfs_create_dir_ns+0x259/0x280
[  268.084968][ T7201]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.084990][ T7201]  ? do_raw_spin_unlock+0x122/0x240
[  268.085020][ T7201]  kobject_add_internal+0x59f/0xb40
[  268.085058][ T7201]  kobject_init_and_add+0x125/0x190
[  268.085091][ T7201]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.085119][ T7201]  ? __raw_spin_lock_init+0x45/0x100
[  268.085144][ T7201]  ? __init_swait_queue_head+0xa9/0x150
[  268.085171][ T7201]  gfs2_sys_fs_add+0x234/0x450
[  268.085201][ T7201]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.085234][ T7201]  ? is_dynamic_key+0xd6/0x1c0
[  268.085260][ T7201]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.085296][ T7201]  gfs2_fill_super+0x13c0/0x20d0
[  268.085333][ T7201]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.085359][ T7201]  ? sb_set_blocksize+0x104/0x180
[  268.085384][ T7201]  ? setup_bdev_super+0x4c1/0x5b0
[  268.085410][ T7201]  get_tree_bdev_flags+0x40e/0x4d0
[  268.085445][ T7201]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.085467][ T7201]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.085487][ T7201]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.085534][ T7201]  gfs2_get_tree+0x51/0x1e0
[  268.085558][ T7201]  vfs_get_tree+0x92/0x2b0
[  268.085582][ T7201]  do_new_mount+0x302/0x9e0
[  268.085605][ T7201]  ? apparmor_capable+0x137/0x1b0
[  268.085639][ T7201]  ? __pfx_do_new_mount+0x10/0x10
[  268.085665][ T7201]  ? ns_capable+0x8a/0xf0
[  268.085686][ T7201]  ? kmem_cache_free+0x19b/0x690
[  268.085723][ T7201]  __se_sys_mount+0x313/0x410
[  268.085754][ T7201]  ? __pfx___se_sys_mount+0x10/0x10
[  268.085783][ T7201]  ? do_syscall_64+0xbe/0xfa0
[  268.085804][ T7201]  ? __x64_sys_mount+0x20/0xc0
[  268.085830][ T7201]  do_syscall_64+0xfa/0xfa0
[  268.085851][ T7201]  ? lockdep_hardirqs_on+0x9c/0x150
[  268.085873][ T7201]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.085891][ T7201]  ? clear_bhb_loop+0x60/0xb0
[  268.085914][ T7201]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.085932][ T7201] RIP: 0033:0x7f499779038a
[  268.085950][ T7201] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  268.085969][ T7201] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.085991][ T7201] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  268.086005][ T7201] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  268.086020][ T7201] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  268.086033][ T7201] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.086046][ T7201] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  268.086078][ T7201]  </TASK>
[  268.086144][ T7201] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.412439][ T7201] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.744629][ T7205] loop1: detected capacity change from 0 to 32768
[  268.757922][ T7205] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.765879][ T7205] CPU: 0 UID: 0 PID: 7205 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  268.765904][ T7205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  268.765917][ T7205] Call Trace:
[  268.765926][ T7205]  <TASK>
[  268.765934][ T7205]  dump_stack_lvl+0x189/0x250
[  268.765965][ T7205]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.765989][ T7205]  ? __pfx__printk+0x10/0x10
[  268.766025][ T7205]  ? kernfs_path_from_node+0x250/0x290
[  268.766045][ T7205]  ? kernfs_path_from_node+0x2f/0x290
[  268.766067][ T7205]  sysfs_create_dir_ns+0x259/0x280
[  268.766088][ T7205]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.766110][ T7205]  ? do_raw_spin_unlock+0x122/0x240
[  268.766139][ T7205]  kobject_add_internal+0x59f/0xb40
[  268.766175][ T7205]  kobject_init_and_add+0x125/0x190
[  268.766206][ T7205]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.766235][ T7205]  ? __raw_spin_lock_init+0x45/0x100
[  268.766260][ T7205]  ? __init_swait_queue_head+0xa9/0x150
[  268.766289][ T7205]  gfs2_sys_fs_add+0x234/0x450
[  268.766320][ T7205]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.766355][ T7205]  ? is_dynamic_key+0xd6/0x1c0
[  268.766382][ T7205]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.766420][ T7205]  gfs2_fill_super+0x13c0/0x20d0
[  268.766459][ T7205]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.766484][ T7205]  ? sb_set_blocksize+0x104/0x180
[  268.766510][ T7205]  ? setup_bdev_super+0x4c1/0x5b0
[  268.766539][ T7205]  get_tree_bdev_flags+0x40e/0x4d0
[  268.766562][ T7205]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.766584][ T7205]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.766604][ T7205]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.766642][ T7205]  gfs2_get_tree+0x51/0x1e0
[  268.766667][ T7205]  vfs_get_tree+0x92/0x2b0
[  268.766694][ T7205]  do_new_mount+0x302/0x9e0
[  268.766723][ T7205]  ? apparmor_capable+0x137/0x1b0
[  268.766756][ T7205]  ? __pfx_do_new_mount+0x10/0x10
[  268.766779][ T7205]  ? ns_capable+0x8a/0xf0
[  268.766799][ T7205]  ? kmem_cache_free+0x19b/0x690
[  268.766835][ T7205]  __se_sys_mount+0x313/0x410
[  268.766867][ T7205]  ? __pfx___se_sys_mount+0x10/0x10
[  268.766893][ T7205]  ? do_syscall_64+0xbe/0xfa0
[  268.766913][ T7205]  ? __x64_sys_mount+0x20/0xc0
[  268.766940][ T7205]  do_syscall_64+0xfa/0xfa0
[  268.766962][ T7205]  ? lockdep_hardirqs_on+0x9c/0x150
[  268.766985][ T7205]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.767004][ T7205]  ? clear_bhb_loop+0x60/0xb0
[  268.767028][ T7205]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.767047][ T7205] RIP: 0033:0x7f499779038a
[  268.767065][ T7205] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  268.767083][ T7205] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.767105][ T7205] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  268.767120][ T7205] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  268.767134][ T7205] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  268.767148][ T7205] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.767162][ T7205] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  268.767196][ T7205]  </TASK>
[  268.767221][ T7205] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.096463][ T7205] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.443292][ T7209] loop1: detected capacity change from 0 to 32768
[  269.468500][ T7209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.478043][ T7209] CPU: 0 UID: 0 PID: 7209 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  269.478068][ T7209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  269.478079][ T7209] Call Trace:
[  269.478088][ T7209]  <TASK>
[  269.478095][ T7209]  dump_stack_lvl+0x189/0x250
[  269.478127][ T7209]  ? __pfx_dump_stack_lvl+0x10/0x10
[  269.478152][ T7209]  ? __pfx__printk+0x10/0x10
[  269.478182][ T7209]  ? kernfs_path_from_node+0x250/0x290
[  269.478200][ T7209]  ? kernfs_path_from_node+0x2f/0x290
[  269.478223][ T7209]  sysfs_create_dir_ns+0x259/0x280
[  269.478245][ T7209]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.478269][ T7209]  ? do_raw_spin_unlock+0x122/0x240
[  269.478299][ T7209]  kobject_add_internal+0x59f/0xb40
[  269.478334][ T7209]  kobject_init_and_add+0x125/0x190
[  269.478364][ T7209]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.478389][ T7209]  ? __raw_spin_lock_init+0x45/0x100
[  269.478414][ T7209]  ? __init_swait_queue_head+0xa9/0x150
[  269.478439][ T7209]  gfs2_sys_fs_add+0x234/0x450
[  269.478466][ T7209]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.478498][ T7209]  ? is_dynamic_key+0xd6/0x1c0
[  269.478523][ T7209]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.478559][ T7209]  gfs2_fill_super+0x13c0/0x20d0
[  269.478599][ T7209]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.478614][ T7209]  ? sb_set_blocksize+0x104/0x180
[  269.478629][ T7209]  ? setup_bdev_super+0x4c1/0x5b0
[  269.478643][ T7209]  get_tree_bdev_flags+0x40e/0x4d0
[  269.478656][ T7209]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.478667][ T7209]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.478679][ T7209]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  269.478700][ T7209]  gfs2_get_tree+0x51/0x1e0
[  269.478713][ T7209]  vfs_get_tree+0x92/0x2b0
[  269.478727][ T7209]  do_new_mount+0x302/0x9e0
[  269.478740][ T7209]  ? apparmor_capable+0x137/0x1b0
[  269.478758][ T7209]  ? __pfx_do_new_mount+0x10/0x10
[  269.478771][ T7209]  ? ns_capable+0x8a/0xf0
[  269.478782][ T7209]  ? kmem_cache_free+0x19b/0x690
[  269.478801][ T7209]  __se_sys_mount+0x313/0x410
[  269.478818][ T7209]  ? __pfx___se_sys_mount+0x10/0x10
[  269.478834][ T7209]  ? do_syscall_64+0xbe/0xfa0
[  269.478845][ T7209]  ? __x64_sys_mount+0x20/0xc0
[  269.478860][ T7209]  do_syscall_64+0xfa/0xfa0
[  269.478871][ T7209]  ? lockdep_hardirqs_on+0x9c/0x150
[  269.478883][ T7209]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.478894][ T7209]  ? clear_bhb_loop+0x60/0xb0
[  269.478906][ T7209]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.478916][ T7209] RIP: 0033:0x7f499779038a
[  269.478927][ T7209] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  269.478937][ T7209] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.478949][ T7209] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  269.478957][ T7209] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  269.478965][ T7209] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  269.478972][ T7209] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  269.478979][ T7209] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  269.478996][ T7209]  </TASK>
[  269.479162][ T7209] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.809264][ T7209] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:28:22 executed programs: 178
[  270.144666][ T7213] loop1: detected capacity change from 0 to 32768
[  270.160931][ T7213] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.168389][ T7213] CPU: 1 UID: 0 PID: 7213 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  270.168415][ T7213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  270.168427][ T7213] Call Trace:
[  270.168436][ T7213]  <TASK>
[  270.168445][ T7213]  dump_stack_lvl+0x189/0x250
[  270.168479][ T7213]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.168502][ T7213]  ? __pfx__printk+0x10/0x10
[  270.168536][ T7213]  ? kernfs_path_from_node+0x250/0x290
[  270.168555][ T7213]  ? kernfs_path_from_node+0x2f/0x290
[  270.168577][ T7213]  sysfs_create_dir_ns+0x259/0x280
[  270.168598][ T7213]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.168626][ T7213]  ? do_raw_spin_unlock+0x122/0x240
[  270.168651][ T7213]  kobject_add_internal+0x59f/0xb40
[  270.168685][ T7213]  kobject_init_and_add+0x125/0x190
[  270.168713][ T7213]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.168739][ T7213]  ? __raw_spin_lock_init+0x45/0x100
[  270.168762][ T7213]  ? __init_swait_queue_head+0xa9/0x150
[  270.168789][ T7213]  gfs2_sys_fs_add+0x234/0x450
[  270.168818][ T7213]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.168851][ T7213]  ? is_dynamic_key+0xd6/0x1c0
[  270.168877][ T7213]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.168914][ T7213]  gfs2_fill_super+0x13c0/0x20d0
[  270.168952][ T7213]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.168979][ T7213]  ? sb_set_blocksize+0x104/0x180
[  270.169003][ T7213]  ? setup_bdev_super+0x4c1/0x5b0
[  270.169029][ T7213]  get_tree_bdev_flags+0x40e/0x4d0
[  270.169053][ T7213]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.169077][ T7213]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.169099][ T7213]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.169138][ T7213]  gfs2_get_tree+0x51/0x1e0
[  270.169163][ T7213]  vfs_get_tree+0x92/0x2b0
[  270.169189][ T7213]  do_new_mount+0x302/0x9e0
[  270.169211][ T7213]  ? apparmor_capable+0x137/0x1b0
[  270.169244][ T7213]  ? __pfx_do_new_mount+0x10/0x10
[  270.169270][ T7213]  ? ns_capable+0x8a/0xf0
[  270.169291][ T7213]  ? kmem_cache_free+0x19b/0x690
[  270.169327][ T7213]  __se_sys_mount+0x313/0x410
[  270.169357][ T7213]  ? __pfx___se_sys_mount+0x10/0x10
[  270.169386][ T7213]  ? do_syscall_64+0xbe/0xfa0
[  270.169408][ T7213]  ? __x64_sys_mount+0x20/0xc0
[  270.169436][ T7213]  do_syscall_64+0xfa/0xfa0
[  270.169459][ T7213]  ? lockdep_hardirqs_on+0x9c/0x150
[  270.169482][ T7213]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.169502][ T7213]  ? clear_bhb_loop+0x60/0xb0
[  270.169525][ T7213]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.169544][ T7213] RIP: 0033:0x7f499779038a
[  270.169561][ T7213] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  270.169578][ T7213] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.169598][ T7213] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  270.169621][ T7213] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  270.169635][ T7213] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  270.169648][ T7213] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  270.169661][ T7213] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  270.169693][ T7213]  </TASK>
[  270.169720][ T7213] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.497301][ T7213] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.826473][ T7217] loop1: detected capacity change from 0 to 32768
[  270.839821][ T7217] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.847583][ T7217] CPU: 1 UID: 0 PID: 7217 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  270.847610][ T7217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  270.847623][ T7217] Call Trace:
[  270.847632][ T7217]  <TASK>
[  270.847641][ T7217]  dump_stack_lvl+0x189/0x250
[  270.847675][ T7217]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.847700][ T7217]  ? __pfx__printk+0x10/0x10
[  270.847735][ T7217]  ? kernfs_path_from_node+0x250/0x290
[  270.847754][ T7217]  ? kernfs_path_from_node+0x2f/0x290
[  270.847777][ T7217]  sysfs_create_dir_ns+0x259/0x280
[  270.847799][ T7217]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.847820][ T7217]  ? do_raw_spin_unlock+0x122/0x240
[  270.847848][ T7217]  kobject_add_internal+0x59f/0xb40
[  270.847883][ T7217]  kobject_init_and_add+0x125/0x190
[  270.847916][ T7217]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.847943][ T7217]  ? __raw_spin_lock_init+0x45/0x100
[  270.847968][ T7217]  ? __init_swait_queue_head+0xa9/0x150
[  270.847995][ T7217]  gfs2_sys_fs_add+0x234/0x450
[  270.848025][ T7217]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.848059][ T7217]  ? is_dynamic_key+0xd6/0x1c0
[  270.848086][ T7217]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.848122][ T7217]  gfs2_fill_super+0x13c0/0x20d0
[  270.848160][ T7217]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.848186][ T7217]  ? sb_set_blocksize+0x104/0x180
[  270.848211][ T7217]  ? setup_bdev_super+0x4c1/0x5b0
[  270.848238][ T7217]  get_tree_bdev_flags+0x40e/0x4d0
[  270.848261][ T7217]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.848294][ T7217]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.848316][ T7217]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.848355][ T7217]  gfs2_get_tree+0x51/0x1e0
[  270.848379][ T7217]  vfs_get_tree+0x92/0x2b0
[  270.848405][ T7217]  do_new_mount+0x302/0x9e0
[  270.848428][ T7217]  ? apparmor_capable+0x137/0x1b0
[  270.848461][ T7217]  ? __pfx_do_new_mount+0x10/0x10
[  270.848485][ T7217]  ? ns_capable+0x8a/0xf0
[  270.848507][ T7217]  ? kmem_cache_free+0x19b/0x690
[  270.848541][ T7217]  __se_sys_mount+0x313/0x410
[  270.848572][ T7217]  ? __pfx___se_sys_mount+0x10/0x10
[  270.848602][ T7217]  ? do_syscall_64+0xbe/0xfa0
[  270.848624][ T7217]  ? __x64_sys_mount+0x20/0xc0
[  270.848653][ T7217]  do_syscall_64+0xfa/0xfa0
[  270.848675][ T7217]  ? lockdep_hardirqs_on+0x9c/0x150
[  270.848698][ T7217]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.848718][ T7217]  ? clear_bhb_loop+0x60/0xb0
[  270.848741][ T7217]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.848759][ T7217] RIP: 0033:0x7f499779038a
[  270.848777][ T7217] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  270.848794][ T7217] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.848816][ T7217] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  270.848830][ T7217] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  270.848843][ T7217] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  270.848856][ T7217] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  270.848869][ T7217] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  270.848901][ T7217]  </TASK>
[  270.848928][ T7217] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.174726][ T7217] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.516812][ T7221] loop1: detected capacity change from 0 to 32768
[  271.535347][ T7221] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.542999][ T7221] CPU: 0 UID: 0 PID: 7221 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  271.543026][ T7221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  271.543039][ T7221] Call Trace:
[  271.543047][ T7221]  <TASK>
[  271.543055][ T7221]  dump_stack_lvl+0x189/0x250
[  271.543087][ T7221]  ? __pfx_dump_stack_lvl+0x10/0x10
[  271.543111][ T7221]  ? __pfx__printk+0x10/0x10
[  271.543146][ T7221]  ? kernfs_path_from_node+0x250/0x290
[  271.543166][ T7221]  ? kernfs_path_from_node+0x2f/0x290
[  271.543191][ T7221]  sysfs_create_dir_ns+0x259/0x280
[  271.543213][ T7221]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.543235][ T7221]  ? do_raw_spin_unlock+0x122/0x240
[  271.543275][ T7221]  kobject_add_internal+0x59f/0xb40
[  271.543312][ T7221]  kobject_init_and_add+0x125/0x190
[  271.543345][ T7221]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.543373][ T7221]  ? __raw_spin_lock_init+0x45/0x100
[  271.543399][ T7221]  ? __init_swait_queue_head+0xa9/0x150
[  271.543425][ T7221]  gfs2_sys_fs_add+0x234/0x450
[  271.543456][ T7221]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.543491][ T7221]  ? is_dynamic_key+0xd6/0x1c0
[  271.543517][ T7221]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.543554][ T7221]  gfs2_fill_super+0x13c0/0x20d0
[  271.543590][ T7221]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.543616][ T7221]  ? sb_set_blocksize+0x104/0x180
[  271.543643][ T7221]  ? setup_bdev_super+0x4c1/0x5b0
[  271.543672][ T7221]  get_tree_bdev_flags+0x40e/0x4d0
[  271.543696][ T7221]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.543719][ T7221]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.543740][ T7221]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.543778][ T7221]  gfs2_get_tree+0x51/0x1e0
[  271.543803][ T7221]  vfs_get_tree+0x92/0x2b0
[  271.543830][ T7221]  do_new_mount+0x302/0x9e0
[  271.543854][ T7221]  ? apparmor_capable+0x137/0x1b0
[  271.543886][ T7221]  ? __pfx_do_new_mount+0x10/0x10
[  271.543911][ T7221]  ? ns_capable+0x8a/0xf0
[  271.543931][ T7221]  ? kmem_cache_free+0x19b/0x690
[  271.543968][ T7221]  __se_sys_mount+0x313/0x410
[  271.544002][ T7221]  ? __pfx___se_sys_mount+0x10/0x10
[  271.544032][ T7221]  ? do_syscall_64+0xbe/0xfa0
[  271.544054][ T7221]  ? __x64_sys_mount+0x20/0xc0
[  271.544081][ T7221]  do_syscall_64+0xfa/0xfa0
[  271.544102][ T7221]  ? lockdep_hardirqs_on+0x9c/0x150
[  271.544123][ T7221]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.544142][ T7221]  ? clear_bhb_loop+0x60/0xb0
[  271.544164][ T7221]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.544182][ T7221] RIP: 0033:0x7f499779038a
[  271.544200][ T7221] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  271.544219][ T7221] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.544240][ T7221] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  271.544264][ T7221] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  271.544278][ T7221] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  271.544292][ T7221] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  271.544305][ T7221] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  271.544337][ T7221]  </TASK>
[  271.544364][ T7221] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.875976][ T7221] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.210527][ T7225] loop1: detected capacity change from 0 to 32768
[  272.241080][ T7225] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.248472][ T7225] CPU: 1 UID: 0 PID: 7225 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  272.248488][ T7225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  272.248496][ T7225] Call Trace:
[  272.248502][ T7225]  <TASK>
[  272.248507][ T7225]  dump_stack_lvl+0x189/0x250
[  272.248527][ T7225]  ? __pfx_dump_stack_lvl+0x10/0x10
[  272.248540][ T7225]  ? __pfx__printk+0x10/0x10
[  272.248559][ T7225]  ? kernfs_path_from_node+0x250/0x290
[  272.248569][ T7225]  ? kernfs_path_from_node+0x2f/0x290
[  272.248582][ T7225]  sysfs_create_dir_ns+0x259/0x280
[  272.248594][ T7225]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.248606][ T7225]  ? do_raw_spin_unlock+0x122/0x240
[  272.248622][ T7225]  kobject_add_internal+0x59f/0xb40
[  272.248642][ T7225]  kobject_init_and_add+0x125/0x190
[  272.248660][ T7225]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.248674][ T7225]  ? __raw_spin_lock_init+0x45/0x100
[  272.248688][ T7225]  ? __init_swait_queue_head+0xa9/0x150
[  272.248703][ T7225]  gfs2_sys_fs_add+0x234/0x450
[  272.248720][ T7225]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.248739][ T7225]  ? is_dynamic_key+0xd6/0x1c0
[  272.248754][ T7225]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.248775][ T7225]  gfs2_fill_super+0x13c0/0x20d0
[  272.248795][ T7225]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.248809][ T7225]  ? sb_set_blocksize+0x104/0x180
[  272.248823][ T7225]  ? setup_bdev_super+0x4c1/0x5b0
[  272.248843][ T7225]  get_tree_bdev_flags+0x40e/0x4d0
[  272.248855][ T7225]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.248867][ T7225]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.248878][ T7225]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.248900][ T7225]  gfs2_get_tree+0x51/0x1e0
[  272.248913][ T7225]  vfs_get_tree+0x92/0x2b0
[  272.248927][ T7225]  do_new_mount+0x302/0x9e0
[  272.248940][ T7225]  ? apparmor_capable+0x137/0x1b0
[  272.248958][ T7225]  ? __pfx_do_new_mount+0x10/0x10
[  272.248972][ T7225]  ? ns_capable+0x8a/0xf0
[  272.248983][ T7225]  ? kmem_cache_free+0x19b/0x690
[  272.249002][ T7225]  __se_sys_mount+0x313/0x410
[  272.249019][ T7225]  ? __pfx___se_sys_mount+0x10/0x10
[  272.249035][ T7225]  ? do_syscall_64+0xbe/0xfa0
[  272.249047][ T7225]  ? __x64_sys_mount+0x20/0xc0
[  272.249061][ T7225]  do_syscall_64+0xfa/0xfa0
[  272.249073][ T7225]  ? lockdep_hardirqs_on+0x9c/0x150
[  272.249085][ T7225]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.249096][ T7225]  ? clear_bhb_loop+0x60/0xb0
[  272.249108][ T7225]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.249119][ T7225] RIP: 0033:0x7f499779038a
[  272.249130][ T7225] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  272.249140][ T7225] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.249157][ T7225] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  272.249166][ T7225] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  272.249173][ T7225] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  272.249180][ T7225] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  272.249187][ T7225] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  272.249205][ T7225]  </TASK>
[  272.249222][ T7225] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.575916][ T7225] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.902312][ T7229] loop1: detected capacity change from 0 to 32768
[  272.917180][ T7229] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.924921][ T7229] CPU: 1 UID: 0 PID: 7229 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  272.924948][ T7229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  272.924961][ T7229] Call Trace:
[  272.924970][ T7229]  <TASK>
[  272.924979][ T7229]  dump_stack_lvl+0x189/0x250
[  272.925012][ T7229]  ? __pfx_dump_stack_lvl+0x10/0x10
[  272.925037][ T7229]  ? __pfx__printk+0x10/0x10
[  272.925072][ T7229]  ? kernfs_path_from_node+0x250/0x290
[  272.925100][ T7229]  ? kernfs_path_from_node+0x2f/0x290
[  272.925123][ T7229]  sysfs_create_dir_ns+0x259/0x280
[  272.925145][ T7229]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.925166][ T7229]  ? do_raw_spin_unlock+0x122/0x240
[  272.925194][ T7229]  kobject_add_internal+0x59f/0xb40
[  272.925228][ T7229]  kobject_init_and_add+0x125/0x190
[  272.925260][ T7229]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.925287][ T7229]  ? __raw_spin_lock_init+0x45/0x100
[  272.925312][ T7229]  ? __init_swait_queue_head+0xa9/0x150
[  272.925338][ T7229]  gfs2_sys_fs_add+0x234/0x450
[  272.925369][ T7229]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.925402][ T7229]  ? is_dynamic_key+0xd6/0x1c0
[  272.925429][ T7229]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.925468][ T7229]  gfs2_fill_super+0x13c0/0x20d0
[  272.925503][ T7229]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.925529][ T7229]  ? sb_set_blocksize+0x104/0x180
[  272.925554][ T7229]  ? setup_bdev_super+0x4c1/0x5b0
[  272.925580][ T7229]  get_tree_bdev_flags+0x40e/0x4d0
[  272.925604][ T7229]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.925627][ T7229]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.925649][ T7229]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.925690][ T7229]  gfs2_get_tree+0x51/0x1e0
[  272.925715][ T7229]  vfs_get_tree+0x92/0x2b0
[  272.925740][ T7229]  do_new_mount+0x302/0x9e0
[  272.925763][ T7229]  ? apparmor_capable+0x137/0x1b0
[  272.925796][ T7229]  ? __pfx_do_new_mount+0x10/0x10
[  272.925821][ T7229]  ? ns_capable+0x8a/0xf0
[  272.925843][ T7229]  ? kmem_cache_free+0x19b/0x690
[  272.925878][ T7229]  __se_sys_mount+0x313/0x410
[  272.925908][ T7229]  ? __pfx___se_sys_mount+0x10/0x10
[  272.925938][ T7229]  ? do_syscall_64+0xbe/0xfa0
[  272.925960][ T7229]  ? __x64_sys_mount+0x20/0xc0
[  272.925989][ T7229]  do_syscall_64+0xfa/0xfa0
[  272.926012][ T7229]  ? lockdep_hardirqs_on+0x9c/0x150
[  272.926035][ T7229]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.926055][ T7229]  ? clear_bhb_loop+0x60/0xb0
[  272.926078][ T7229]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.926149][ T7229] RIP: 0033:0x7f499779038a
[  272.926166][ T7229] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  272.926183][ T7229] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.926204][ T7229] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  272.926220][ T7229] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  272.926234][ T7229] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  272.926248][ T7229] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  272.926260][ T7229] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  272.926293][ T7229]  </TASK>
[  272.926319][ T7229] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.252211][ T7229] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.263642][ T5863] Bluetooth: hci1: command 0x0406 tx timeout
[  273.598819][ T7234] loop1: detected capacity change from 0 to 32768
[  273.618213][ T7234] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.626006][ T7234] CPU: 0 UID: 0 PID: 7234 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  273.626032][ T7234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  273.626045][ T7234] Call Trace:
[  273.626054][ T7234]  <TASK>
[  273.626062][ T7234]  dump_stack_lvl+0x189/0x250
[  273.626094][ T7234]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.626120][ T7234]  ? __pfx__printk+0x10/0x10
[  273.626155][ T7234]  ? kernfs_path_from_node+0x250/0x290
[  273.626174][ T7234]  ? kernfs_path_from_node+0x2f/0x290
[  273.626199][ T7234]  sysfs_create_dir_ns+0x259/0x280
[  273.626223][ T7234]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.626245][ T7234]  ? do_raw_spin_unlock+0x122/0x240
[  273.626274][ T7234]  kobject_add_internal+0x59f/0xb40
[  273.626317][ T7234]  kobject_init_and_add+0x125/0x190
[  273.626350][ T7234]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.626378][ T7234]  ? __raw_spin_lock_init+0x45/0x100
[  273.626404][ T7234]  ? __init_swait_queue_head+0xa9/0x150
[  273.626432][ T7234]  gfs2_sys_fs_add+0x234/0x450
[  273.626463][ T7234]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.626497][ T7234]  ? is_dynamic_key+0xd6/0x1c0
[  273.626524][ T7234]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.626563][ T7234]  gfs2_fill_super+0x13c0/0x20d0
[  273.626602][ T7234]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.626629][ T7234]  ? sb_set_blocksize+0x104/0x180
[  273.626655][ T7234]  ? setup_bdev_super+0x4c1/0x5b0
[  273.626682][ T7234]  get_tree_bdev_flags+0x40e/0x4d0
[  273.626706][ T7234]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.626728][ T7234]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.626750][ T7234]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.626789][ T7234]  gfs2_get_tree+0x51/0x1e0
[  273.626815][ T7234]  vfs_get_tree+0x92/0x2b0
[  273.626841][ T7234]  do_new_mount+0x302/0x9e0
[  273.626865][ T7234]  ? apparmor_capable+0x137/0x1b0
[  273.626899][ T7234]  ? __pfx_do_new_mount+0x10/0x10
[  273.626924][ T7234]  ? ns_capable+0x8a/0xf0
[  273.626946][ T7234]  ? kmem_cache_free+0x19b/0x690
[  273.626981][ T7234]  __se_sys_mount+0x313/0x410
[  273.627013][ T7234]  ? __pfx___se_sys_mount+0x10/0x10
[  273.627056][ T7234]  ? do_syscall_64+0xbe/0xfa0
[  273.627078][ T7234]  ? __x64_sys_mount+0x20/0xc0
[  273.627106][ T7234]  do_syscall_64+0xfa/0xfa0
[  273.627128][ T7234]  ? lockdep_hardirqs_on+0x9c/0x150
[  273.627151][ T7234]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.627170][ T7234]  ? clear_bhb_loop+0x60/0xb0
[  273.627194][ T7234]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.627213][ T7234] RIP: 0033:0x7f499779038a
[  273.627232][ T7234] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  273.627250][ T7234] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.627272][ T7234] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  273.627293][ T7234] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  273.627308][ T7234] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  273.627322][ T7234] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.627335][ T7234] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  273.627369][ T7234]  </TASK>
[  273.627396][ T7234] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.958645][ T7234] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.289769][ T7238] loop1: detected capacity change from 0 to 32768
[  274.302894][ T7238] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.310787][ T7238] CPU: 1 UID: 0 PID: 7238 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  274.310813][ T7238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  274.310826][ T7238] Call Trace:
[  274.310834][ T7238]  <TASK>
[  274.310842][ T7238]  dump_stack_lvl+0x189/0x250
[  274.310874][ T7238]  ? __pfx_dump_stack_lvl+0x10/0x10
[  274.310898][ T7238]  ? __pfx__printk+0x10/0x10
[  274.310930][ T7238]  ? kernfs_path_from_node+0x250/0x290
[  274.310948][ T7238]  ? kernfs_path_from_node+0x2f/0x290
[  274.310972][ T7238]  sysfs_create_dir_ns+0x259/0x280
[  274.310992][ T7238]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.311013][ T7238]  ? do_raw_spin_unlock+0x122/0x240
[  274.311040][ T7238]  kobject_add_internal+0x59f/0xb40
[  274.311074][ T7238]  kobject_init_and_add+0x125/0x190
[  274.311105][ T7238]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.311133][ T7238]  ? __raw_spin_lock_init+0x45/0x100
[  274.311158][ T7238]  ? __init_swait_queue_head+0xa9/0x150
[  274.311186][ T7238]  gfs2_sys_fs_add+0x234/0x450
[  274.311216][ T7238]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.311249][ T7238]  ? is_dynamic_key+0xd6/0x1c0
[  274.311286][ T7238]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.311325][ T7238]  gfs2_fill_super+0x13c0/0x20d0
[  274.311360][ T7238]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.311387][ T7238]  ? sb_set_blocksize+0x104/0x180
[  274.311421][ T7238]  ? setup_bdev_super+0x4c1/0x5b0
[  274.311450][ T7238]  get_tree_bdev_flags+0x40e/0x4d0
[  274.311496][ T7238]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.311524][ T7238]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.311554][ T7238]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.311596][ T7238]  gfs2_get_tree+0x51/0x1e0
[  274.311624][ T7238]  vfs_get_tree+0x92/0x2b0
[  274.311650][ T7238]  do_new_mount+0x302/0x9e0
[  274.311673][ T7238]  ? apparmor_capable+0x137/0x1b0
[  274.311706][ T7238]  ? __pfx_do_new_mount+0x10/0x10
[  274.311729][ T7238]  ? ns_capable+0x8a/0xf0
[  274.311751][ T7238]  ? kmem_cache_free+0x19b/0x690
[  274.311786][ T7238]  __se_sys_mount+0x313/0x410
[  274.311818][ T7238]  ? __pfx___se_sys_mount+0x10/0x10
[  274.311848][ T7238]  ? do_syscall_64+0xbe/0xfa0
[  274.311869][ T7238]  ? __x64_sys_mount+0x20/0xc0
[  274.311895][ T7238]  do_syscall_64+0xfa/0xfa0
[  274.311916][ T7238]  ? lockdep_hardirqs_on+0x9c/0x150
[  274.311940][ T7238]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.311960][ T7238]  ? clear_bhb_loop+0x60/0xb0
[  274.311993][ T7238]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.312012][ T7238] RIP: 0033:0x7f499779038a
[  274.312030][ T7238] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  274.312048][ T7238] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.312069][ T7238] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  274.312084][ T7238] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  274.312099][ T7238] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  274.312111][ T7238] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  274.312124][ T7238] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  274.312154][ T7238]  </TASK>
[  274.312210][ T7238] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.639140][ T7238] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.973982][ T7242] loop1: detected capacity change from 0 to 32768
[  274.994667][ T7242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.002804][ T7242] CPU: 1 UID: 0 PID: 7242 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  275.002831][ T7242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  275.002844][ T7242] Call Trace:
[  275.002852][ T7242]  <TASK>
[  275.002860][ T7242]  dump_stack_lvl+0x189/0x250
[  275.002892][ T7242]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.002916][ T7242]  ? __pfx__printk+0x10/0x10
[  275.002949][ T7242]  ? kernfs_path_from_node+0x250/0x290
[  275.002968][ T7242]  ? kernfs_path_from_node+0x2f/0x290
[  275.002992][ T7242]  sysfs_create_dir_ns+0x259/0x280
[  275.003015][ T7242]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.003046][ T7242]  ? do_raw_spin_unlock+0x122/0x240
[  275.003073][ T7242]  kobject_add_internal+0x59f/0xb40
[  275.003109][ T7242]  kobject_init_and_add+0x125/0x190
[  275.003141][ T7242]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.003169][ T7242]  ? __raw_spin_lock_init+0x45/0x100
[  275.003192][ T7242]  ? __init_swait_queue_head+0xa9/0x150
[  275.003219][ T7242]  gfs2_sys_fs_add+0x234/0x450
[  275.003251][ T7242]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.003285][ T7242]  ? is_dynamic_key+0xd6/0x1c0
[  275.003313][ T7242]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.003352][ T7242]  gfs2_fill_super+0x13c0/0x20d0
[  275.003389][ T7242]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.003416][ T7242]  ? sb_set_blocksize+0x104/0x180
[  275.003440][ T7242]  ? setup_bdev_super+0x4c1/0x5b0
[  275.003466][ T7242]  get_tree_bdev_flags+0x40e/0x4d0
[  275.003490][ T7242]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.003512][ T7242]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.003534][ T7242]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.003571][ T7242]  gfs2_get_tree+0x51/0x1e0
[  275.003595][ T7242]  vfs_get_tree+0x92/0x2b0
[  275.003621][ T7242]  do_new_mount+0x302/0x9e0
[  275.003645][ T7242]  ? apparmor_capable+0x137/0x1b0
[  275.003679][ T7242]  ? __pfx_do_new_mount+0x10/0x10
[  275.003704][ T7242]  ? ns_capable+0x8a/0xf0
[  275.003726][ T7242]  ? kmem_cache_free+0x19b/0x690
[  275.003761][ T7242]  __se_sys_mount+0x313/0x410
[  275.003793][ T7242]  ? __pfx___se_sys_mount+0x10/0x10
[  275.003822][ T7242]  ? do_syscall_64+0xbe/0xfa0
[  275.003843][ T7242]  ? __x64_sys_mount+0x20/0xc0
[  275.003871][ T7242]  do_syscall_64+0xfa/0xfa0
[  275.003892][ T7242]  ? lockdep_hardirqs_on+0x9c/0x150
[  275.003914][ T7242]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.003932][ T7242]  ? clear_bhb_loop+0x60/0xb0
[  275.003956][ T7242]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.003976][ T7242] RIP: 0033:0x7f499779038a
[  275.003996][ T7242] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  275.004015][ T7242] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.004044][ T7242] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  275.004059][ T7242] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  275.004074][ T7242] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  275.004088][ T7242] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.004101][ T7242] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  275.004133][ T7242]  </TASK>
[  275.004158][ T7242] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.331912][ T7242] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:28:28 executed programs: 186
[  275.666850][ T7246] loop1: detected capacity change from 0 to 32768
[  275.688238][ T7246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.695815][ T7246] CPU: 0 UID: 0 PID: 7246 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  275.695842][ T7246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  275.695856][ T7246] Call Trace:
[  275.695865][ T7246]  <TASK>
[  275.695874][ T7246]  dump_stack_lvl+0x189/0x250
[  275.695908][ T7246]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.695932][ T7246]  ? __pfx__printk+0x10/0x10
[  275.695975][ T7246]  ? kernfs_path_from_node+0x250/0x290
[  275.695994][ T7246]  ? kernfs_path_from_node+0x2f/0x290
[  275.696019][ T7246]  sysfs_create_dir_ns+0x259/0x280
[  275.696041][ T7246]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.696060][ T7246]  ? do_raw_spin_unlock+0x122/0x240
[  275.696092][ T7246]  kobject_add_internal+0x59f/0xb40
[  275.696125][ T7246]  kobject_init_and_add+0x125/0x190
[  275.696156][ T7246]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.696183][ T7246]  ? __raw_spin_lock_init+0x45/0x100
[  275.696206][ T7246]  ? __init_swait_queue_head+0xa9/0x150
[  275.696234][ T7246]  gfs2_sys_fs_add+0x234/0x450
[  275.696265][ T7246]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.696298][ T7246]  ? is_dynamic_key+0xd6/0x1c0
[  275.696325][ T7246]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.696363][ T7246]  gfs2_fill_super+0x13c0/0x20d0
[  275.696400][ T7246]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.696426][ T7246]  ? sb_set_blocksize+0x104/0x180
[  275.696451][ T7246]  ? setup_bdev_super+0x4c1/0x5b0
[  275.696479][ T7246]  get_tree_bdev_flags+0x40e/0x4d0
[  275.696502][ T7246]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.696522][ T7246]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.696543][ T7246]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.696583][ T7246]  gfs2_get_tree+0x51/0x1e0
[  275.696609][ T7246]  vfs_get_tree+0x92/0x2b0
[  275.696636][ T7246]  do_new_mount+0x302/0x9e0
[  275.696660][ T7246]  ? apparmor_capable+0x137/0x1b0
[  275.696694][ T7246]  ? __pfx_do_new_mount+0x10/0x10
[  275.696717][ T7246]  ? ns_capable+0x8a/0xf0
[  275.696739][ T7246]  ? kmem_cache_free+0x19b/0x690
[  275.696772][ T7246]  __se_sys_mount+0x313/0x410
[  275.696802][ T7246]  ? __pfx___se_sys_mount+0x10/0x10
[  275.696829][ T7246]  ? do_syscall_64+0xbe/0xfa0
[  275.696850][ T7246]  ? __x64_sys_mount+0x20/0xc0
[  275.696878][ T7246]  do_syscall_64+0xfa/0xfa0
[  275.696899][ T7246]  ? lockdep_hardirqs_on+0x9c/0x150
[  275.696921][ T7246]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.696941][ T7246]  ? clear_bhb_loop+0x60/0xb0
[  275.696975][ T7246]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.696993][ T7246] RIP: 0033:0x7f499779038a
[  275.697010][ T7246] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  275.697028][ T7246] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.697051][ T7246] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  275.697066][ T7246] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  275.697080][ T7246] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  275.697094][ T7246] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.697106][ T7246] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  275.697138][ T7246]  </TASK>
[  275.697246][ T7246] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.028539][ T7246] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.362679][ T7250] loop1: detected capacity change from 0 to 32768
[  276.376671][ T7250] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.384175][ T7250] CPU: 1 UID: 0 PID: 7250 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  276.384199][ T7250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  276.384212][ T7250] Call Trace:
[  276.384220][ T7250]  <TASK>
[  276.384228][ T7250]  dump_stack_lvl+0x189/0x250
[  276.384260][ T7250]  ? __pfx_dump_stack_lvl+0x10/0x10
[  276.384284][ T7250]  ? __pfx__printk+0x10/0x10
[  276.384318][ T7250]  ? kernfs_path_from_node+0x250/0x290
[  276.384338][ T7250]  ? kernfs_path_from_node+0x2f/0x290
[  276.384361][ T7250]  sysfs_create_dir_ns+0x259/0x280
[  276.384383][ T7250]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.384406][ T7250]  ? do_raw_spin_unlock+0x122/0x240
[  276.384435][ T7250]  kobject_add_internal+0x59f/0xb40
[  276.384466][ T7250]  kobject_init_and_add+0x125/0x190
[  276.384497][ T7250]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.384525][ T7250]  ? __raw_spin_lock_init+0x45/0x100
[  276.384550][ T7250]  ? __init_swait_queue_head+0xa9/0x150
[  276.384577][ T7250]  gfs2_sys_fs_add+0x234/0x450
[  276.384607][ T7250]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.384643][ T7250]  ? is_dynamic_key+0xd6/0x1c0
[  276.384671][ T7250]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.384711][ T7250]  gfs2_fill_super+0x13c0/0x20d0
[  276.384749][ T7250]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.384775][ T7250]  ? sb_set_blocksize+0x104/0x180
[  276.384801][ T7250]  ? setup_bdev_super+0x4c1/0x5b0
[  276.384828][ T7250]  get_tree_bdev_flags+0x40e/0x4d0
[  276.384852][ T7250]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.384874][ T7250]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.384895][ T7250]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.384941][ T7250]  gfs2_get_tree+0x51/0x1e0
[  276.384967][ T7250]  vfs_get_tree+0x92/0x2b0
[  276.384995][ T7250]  do_new_mount+0x302/0x9e0
[  276.385018][ T7250]  ? apparmor_capable+0x137/0x1b0
[  276.385053][ T7250]  ? __pfx_do_new_mount+0x10/0x10
[  276.385077][ T7250]  ? ns_capable+0x8a/0xf0
[  276.385098][ T7250]  ? kmem_cache_free+0x19b/0x690
[  276.385132][ T7250]  __se_sys_mount+0x313/0x410
[  276.385162][ T7250]  ? __pfx___se_sys_mount+0x10/0x10
[  276.385190][ T7250]  ? do_syscall_64+0xbe/0xfa0
[  276.385210][ T7250]  ? __x64_sys_mount+0x20/0xc0
[  276.385236][ T7250]  do_syscall_64+0xfa/0xfa0
[  276.385258][ T7250]  ? lockdep_hardirqs_on+0x9c/0x150
[  276.385281][ T7250]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.385300][ T7250]  ? clear_bhb_loop+0x60/0xb0
[  276.385324][ T7250]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.385342][ T7250] RIP: 0033:0x7f499779038a
[  276.385361][ T7250] 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
[  276.385379][ T7250] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.385400][ T7250] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  276.385415][ T7250] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  276.385430][ T7250] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  276.385444][ T7250] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  276.385456][ T7250] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  276.385488][ T7250]  </TASK>
[  276.385514][ T7250] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.711998][ T7250] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.049456][ T7254] loop1: detected capacity change from 0 to 32768
[  277.063960][ T7254] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.071928][ T7254] CPU: 0 UID: 0 PID: 7254 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  277.071955][ T7254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  277.071968][ T7254] Call Trace:
[  277.071976][ T7254]  <TASK>
[  277.071985][ T7254]  dump_stack_lvl+0x189/0x250
[  277.072017][ T7254]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.072042][ T7254]  ? __pfx__printk+0x10/0x10
[  277.072077][ T7254]  ? kernfs_path_from_node+0x250/0x290
[  277.072097][ T7254]  ? kernfs_path_from_node+0x2f/0x290
[  277.072128][ T7254]  sysfs_create_dir_ns+0x259/0x280
[  277.072151][ T7254]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.072173][ T7254]  ? do_raw_spin_unlock+0x122/0x240
[  277.072203][ T7254]  kobject_add_internal+0x59f/0xb40
[  277.072239][ T7254]  kobject_init_and_add+0x125/0x190
[  277.072271][ T7254]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.072300][ T7254]  ? __raw_spin_lock_init+0x45/0x100
[  277.072325][ T7254]  ? __init_swait_queue_head+0xa9/0x150
[  277.072353][ T7254]  gfs2_sys_fs_add+0x234/0x450
[  277.072384][ T7254]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.072418][ T7254]  ? is_dynamic_key+0xd6/0x1c0
[  277.072446][ T7254]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.072485][ T7254]  gfs2_fill_super+0x13c0/0x20d0
[  277.072523][ T7254]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.072550][ T7254]  ? sb_set_blocksize+0x104/0x180
[  277.072576][ T7254]  ? setup_bdev_super+0x4c1/0x5b0
[  277.072603][ T7254]  get_tree_bdev_flags+0x40e/0x4d0
[  277.072627][ T7254]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.072649][ T7254]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.072670][ T7254]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.072709][ T7254]  gfs2_get_tree+0x51/0x1e0
[  277.072734][ T7254]  vfs_get_tree+0x92/0x2b0
[  277.072761][ T7254]  do_new_mount+0x302/0x9e0
[  277.072784][ T7254]  ? apparmor_capable+0x137/0x1b0
[  277.072817][ T7254]  ? __pfx_do_new_mount+0x10/0x10
[  277.072841][ T7254]  ? ns_capable+0x8a/0xf0
[  277.072862][ T7254]  ? kmem_cache_free+0x19b/0x690
[  277.072898][ T7254]  __se_sys_mount+0x313/0x410
[  277.072929][ T7254]  ? __pfx___se_sys_mount+0x10/0x10
[  277.072959][ T7254]  ? do_syscall_64+0xbe/0xfa0
[  277.072981][ T7254]  ? __x64_sys_mount+0x20/0xc0
[  277.073008][ T7254]  do_syscall_64+0xfa/0xfa0
[  277.073030][ T7254]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.073052][ T7254]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.073072][ T7254]  ? clear_bhb_loop+0x60/0xb0
[  277.073096][ T7254]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.073121][ T7254] RIP: 0033:0x7f499779038a
[  277.073138][ T7254] 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
[  277.073157][ T7254] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.073179][ T7254] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  277.073194][ T7254] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  277.073209][ T7254] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  277.073223][ T7254] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  277.073236][ T7254] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  277.073269][ T7254]  </TASK>
[  277.073294][ T7254] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.402992][ T7254] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.731675][ T7258] loop1: detected capacity change from 0 to 32768
[  277.743306][ T7258] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.751126][ T7258] CPU: 0 UID: 0 PID: 7258 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  277.751153][ T7258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  277.751167][ T7258] Call Trace:
[  277.751176][ T7258]  <TASK>
[  277.751184][ T7258]  dump_stack_lvl+0x189/0x250
[  277.751216][ T7258]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.751240][ T7258]  ? __pfx__printk+0x10/0x10
[  277.751274][ T7258]  ? kernfs_path_from_node+0x250/0x290
[  277.751294][ T7258]  ? kernfs_path_from_node+0x2f/0x290
[  277.751319][ T7258]  sysfs_create_dir_ns+0x259/0x280
[  277.751342][ T7258]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.751364][ T7258]  ? do_raw_spin_unlock+0x122/0x240
[  277.751392][ T7258]  kobject_add_internal+0x59f/0xb40
[  277.751430][ T7258]  kobject_init_and_add+0x125/0x190
[  277.751464][ T7258]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.751493][ T7258]  ? __raw_spin_lock_init+0x45/0x100
[  277.751519][ T7258]  ? __init_swait_queue_head+0xa9/0x150
[  277.751548][ T7258]  gfs2_sys_fs_add+0x234/0x450
[  277.751580][ T7258]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.751615][ T7258]  ? is_dynamic_key+0xd6/0x1c0
[  277.751643][ T7258]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.751682][ T7258]  gfs2_fill_super+0x13c0/0x20d0
[  277.751722][ T7258]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.751749][ T7258]  ? sb_set_blocksize+0x104/0x180
[  277.751777][ T7258]  ? setup_bdev_super+0x4c1/0x5b0
[  277.751805][ T7258]  get_tree_bdev_flags+0x40e/0x4d0
[  277.751837][ T7258]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.751860][ T7258]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.751883][ T7258]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.751923][ T7258]  gfs2_get_tree+0x51/0x1e0
[  277.751949][ T7258]  vfs_get_tree+0x92/0x2b0
[  277.751976][ T7258]  do_new_mount+0x302/0x9e0
[  277.752001][ T7258]  ? apparmor_capable+0x137/0x1b0
[  277.752036][ T7258]  ? __pfx_do_new_mount+0x10/0x10
[  277.752060][ T7258]  ? ns_capable+0x8a/0xf0
[  277.752083][ T7258]  ? kmem_cache_free+0x19b/0x690
[  277.752121][ T7258]  __se_sys_mount+0x313/0x410
[  277.752153][ T7258]  ? __pfx___se_sys_mount+0x10/0x10
[  277.752183][ T7258]  ? do_syscall_64+0xbe/0xfa0
[  277.752205][ T7258]  ? __x64_sys_mount+0x20/0xc0
[  277.752232][ T7258]  do_syscall_64+0xfa/0xfa0
[  277.752254][ T7258]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.752277][ T7258]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.752296][ T7258]  ? clear_bhb_loop+0x60/0xb0
[  277.752320][ T7258]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.752338][ T7258] RIP: 0033:0x7f499779038a
[  277.752356][ T7258] 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
[  277.752376][ T7258] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.752397][ T7258] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  277.752413][ T7258] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  277.752428][ T7258] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  277.752442][ T7258] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  277.752454][ T7258] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  277.752487][ T7258]  </TASK>
[  277.752514][ T7258] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.082543][ T7258] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.423151][ T7262] loop1: detected capacity change from 0 to 32768
[  278.447399][ T7262] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.455092][ T7262] CPU: 0 UID: 0 PID: 7262 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  278.455119][ T7262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  278.455131][ T7262] Call Trace:
[  278.455140][ T7262]  <TASK>
[  278.455149][ T7262]  dump_stack_lvl+0x189/0x250
[  278.455181][ T7262]  ? __pfx_dump_stack_lvl+0x10/0x10
[  278.455206][ T7262]  ? __pfx__printk+0x10/0x10
[  278.455241][ T7262]  ? kernfs_path_from_node+0x250/0x290
[  278.455261][ T7262]  ? kernfs_path_from_node+0x2f/0x290
[  278.455286][ T7262]  sysfs_create_dir_ns+0x259/0x280
[  278.455309][ T7262]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.455331][ T7262]  ? do_raw_spin_unlock+0x122/0x240
[  278.455361][ T7262]  kobject_add_internal+0x59f/0xb40
[  278.455397][ T7262]  kobject_init_and_add+0x125/0x190
[  278.455429][ T7262]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.455457][ T7262]  ? __raw_spin_lock_init+0x45/0x100
[  278.455483][ T7262]  ? __init_swait_queue_head+0xa9/0x150
[  278.455511][ T7262]  gfs2_sys_fs_add+0x234/0x450
[  278.455541][ T7262]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.455576][ T7262]  ? is_dynamic_key+0xd6/0x1c0
[  278.455603][ T7262]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.455641][ T7262]  gfs2_fill_super+0x13c0/0x20d0
[  278.455680][ T7262]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.455706][ T7262]  ? sb_set_blocksize+0x104/0x180
[  278.455733][ T7262]  ? setup_bdev_super+0x4c1/0x5b0
[  278.455767][ T7262]  get_tree_bdev_flags+0x40e/0x4d0
[  278.455791][ T7262]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.455813][ T7262]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.455834][ T7262]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.455873][ T7262]  gfs2_get_tree+0x51/0x1e0
[  278.455899][ T7262]  vfs_get_tree+0x92/0x2b0
[  278.455924][ T7262]  do_new_mount+0x302/0x9e0
[  278.455948][ T7262]  ? apparmor_capable+0x137/0x1b0
[  278.455981][ T7262]  ? __pfx_do_new_mount+0x10/0x10
[  278.456006][ T7262]  ? ns_capable+0x8a/0xf0
[  278.456027][ T7262]  ? kmem_cache_free+0x19b/0x690
[  278.456063][ T7262]  __se_sys_mount+0x313/0x410
[  278.456095][ T7262]  ? __pfx___se_sys_mount+0x10/0x10
[  278.456125][ T7262]  ? do_syscall_64+0xbe/0xfa0
[  278.456147][ T7262]  ? __x64_sys_mount+0x20/0xc0
[  278.456175][ T7262]  do_syscall_64+0xfa/0xfa0
[  278.456197][ T7262]  ? lockdep_hardirqs_on+0x9c/0x150
[  278.456219][ T7262]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.456239][ T7262]  ? clear_bhb_loop+0x60/0xb0
[  278.456263][ T7262]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.456282][ T7262] RIP: 0033:0x7f499779038a
[  278.456300][ T7262] 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
[  278.456318][ T7262] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.456340][ T7262] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  278.456355][ T7262] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  278.456370][ T7262] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  278.456384][ T7262] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  278.456396][ T7262] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  278.456427][ T7262]  </TASK>
[  278.456453][ T7262] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.788055][ T7262] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.110629][ T7266] loop1: detected capacity change from 0 to 32768
[  279.123008][ T7266] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.130659][ T7266] CPU: 1 UID: 0 PID: 7266 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  279.130684][ T7266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  279.130697][ T7266] Call Trace:
[  279.130706][ T7266]  <TASK>
[  279.130714][ T7266]  dump_stack_lvl+0x189/0x250
[  279.130746][ T7266]  ? __pfx_dump_stack_lvl+0x10/0x10
[  279.130770][ T7266]  ? __pfx__printk+0x10/0x10
[  279.130804][ T7266]  ? kernfs_path_from_node+0x250/0x290
[  279.130822][ T7266]  ? kernfs_path_from_node+0x2f/0x290
[  279.130846][ T7266]  sysfs_create_dir_ns+0x259/0x280
[  279.130869][ T7266]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.130890][ T7266]  ? do_raw_spin_unlock+0x122/0x240
[  279.130919][ T7266]  kobject_add_internal+0x59f/0xb40
[  279.130954][ T7266]  kobject_init_and_add+0x125/0x190
[  279.130995][ T7266]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.131023][ T7266]  ? __raw_spin_lock_init+0x45/0x100
[  279.131048][ T7266]  ? __init_swait_queue_head+0xa9/0x150
[  279.131075][ T7266]  gfs2_sys_fs_add+0x234/0x450
[  279.131106][ T7266]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.131139][ T7266]  ? is_dynamic_key+0xd6/0x1c0
[  279.131165][ T7266]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.131204][ T7266]  gfs2_fill_super+0x13c0/0x20d0
[  279.131244][ T7266]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.131271][ T7266]  ? sb_set_blocksize+0x104/0x180
[  279.131298][ T7266]  ? setup_bdev_super+0x4c1/0x5b0
[  279.131324][ T7266]  get_tree_bdev_flags+0x40e/0x4d0
[  279.131347][ T7266]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.131369][ T7266]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.131389][ T7266]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.131427][ T7266]  gfs2_get_tree+0x51/0x1e0
[  279.131452][ T7266]  vfs_get_tree+0x92/0x2b0
[  279.131478][ T7266]  do_new_mount+0x302/0x9e0
[  279.131502][ T7266]  ? apparmor_capable+0x137/0x1b0
[  279.131534][ T7266]  ? __pfx_do_new_mount+0x10/0x10
[  279.131558][ T7266]  ? ns_capable+0x8a/0xf0
[  279.131580][ T7266]  ? kmem_cache_free+0x19b/0x690
[  279.131615][ T7266]  __se_sys_mount+0x313/0x410
[  279.131647][ T7266]  ? __pfx___se_sys_mount+0x10/0x10
[  279.131677][ T7266]  ? do_syscall_64+0xbe/0xfa0
[  279.131696][ T7266]  ? __x64_sys_mount+0x20/0xc0
[  279.131720][ T7266]  do_syscall_64+0xfa/0xfa0
[  279.131741][ T7266]  ? lockdep_hardirqs_on+0x9c/0x150
[  279.131764][ T7266]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.131784][ T7266]  ? clear_bhb_loop+0x60/0xb0
[  279.131809][ T7266]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.131828][ T7266] RIP: 0033:0x7f499779038a
[  279.131847][ T7266] 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
[  279.131866][ T7266] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.131887][ T7266] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  279.131903][ T7266] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  279.131917][ T7266] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  279.131931][ T7266] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  279.131943][ T7266] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  279.131982][ T7266]  </TASK>
[  279.132010][ T7266] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.458597][ T7266] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.789018][ T7270] loop1: detected capacity change from 0 to 32768
[  279.809900][ T7270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.817643][ T7270] CPU: 0 UID: 0 PID: 7270 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  279.817679][ T7270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  279.817693][ T7270] Call Trace:
[  279.817700][ T7270]  <TASK>
[  279.817709][ T7270]  dump_stack_lvl+0x189/0x250
[  279.817742][ T7270]  ? __pfx_dump_stack_lvl+0x10/0x10
[  279.817766][ T7270]  ? __pfx__printk+0x10/0x10
[  279.817801][ T7270]  ? kernfs_path_from_node+0x250/0x290
[  279.817821][ T7270]  ? kernfs_path_from_node+0x2f/0x290
[  279.817843][ T7270]  sysfs_create_dir_ns+0x259/0x280
[  279.817866][ T7270]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.817888][ T7270]  ? do_raw_spin_unlock+0x122/0x240
[  279.817917][ T7270]  kobject_add_internal+0x59f/0xb40
[  279.817955][ T7270]  kobject_init_and_add+0x125/0x190
[  279.817989][ T7270]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.818016][ T7270]  ? __raw_spin_lock_init+0x45/0x100
[  279.818041][ T7270]  ? __init_swait_queue_head+0xa9/0x150
[  279.818068][ T7270]  gfs2_sys_fs_add+0x234/0x450
[  279.818097][ T7270]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.818130][ T7270]  ? is_dynamic_key+0xd6/0x1c0
[  279.818156][ T7270]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.818194][ T7270]  gfs2_fill_super+0x13c0/0x20d0
[  279.818232][ T7270]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.818258][ T7270]  ? sb_set_blocksize+0x104/0x180
[  279.818284][ T7270]  ? setup_bdev_super+0x4c1/0x5b0
[  279.818310][ T7270]  get_tree_bdev_flags+0x40e/0x4d0
[  279.818335][ T7270]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.818357][ T7270]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.818377][ T7270]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.818415][ T7270]  gfs2_get_tree+0x51/0x1e0
[  279.818442][ T7270]  vfs_get_tree+0x92/0x2b0
[  279.818469][ T7270]  do_new_mount+0x302/0x9e0
[  279.818493][ T7270]  ? apparmor_capable+0x137/0x1b0
[  279.818527][ T7270]  ? __pfx_do_new_mount+0x10/0x10
[  279.818552][ T7270]  ? ns_capable+0x8a/0xf0
[  279.818573][ T7270]  ? kmem_cache_free+0x19b/0x690
[  279.818607][ T7270]  __se_sys_mount+0x313/0x410
[  279.818637][ T7270]  ? __pfx___se_sys_mount+0x10/0x10
[  279.818675][ T7270]  ? do_syscall_64+0xbe/0xfa0
[  279.818697][ T7270]  ? __x64_sys_mount+0x20/0xc0
[  279.818724][ T7270]  do_syscall_64+0xfa/0xfa0
[  279.818745][ T7270]  ? lockdep_hardirqs_on+0x9c/0x150
[  279.818767][ T7270]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.818786][ T7270]  ? clear_bhb_loop+0x60/0xb0
[  279.818810][ T7270]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.818828][ T7270] RIP: 0033:0x7f499779038a
[  279.818847][ T7270] 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
[  279.818865][ T7270] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.818886][ T7270] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  279.818901][ T7270] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  279.818915][ T7270] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  279.818928][ T7270] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  279.818942][ T7270] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  279.818976][ T7270]  </TASK>
[  279.819006][ T7270] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.148259][ T7270] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.484387][ T7274] loop1: detected capacity change from 0 to 32768
[  280.506162][ T7274] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.513861][ T7274] CPU: 0 UID: 0 PID: 7274 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  280.513887][ T7274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  280.513900][ T7274] Call Trace:
[  280.513909][ T7274]  <TASK>
[  280.513917][ T7274]  dump_stack_lvl+0x189/0x250
[  280.513949][ T7274]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.513974][ T7274]  ? __pfx__printk+0x10/0x10
[  280.514007][ T7274]  ? kernfs_path_from_node+0x250/0x290
[  280.514027][ T7274]  ? kernfs_path_from_node+0x2f/0x290
[  280.514051][ T7274]  sysfs_create_dir_ns+0x259/0x280
[  280.514082][ T7274]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.514105][ T7274]  ? do_raw_spin_unlock+0x122/0x240
[  280.514136][ T7274]  kobject_add_internal+0x59f/0xb40
[  280.514172][ T7274]  kobject_init_and_add+0x125/0x190
[  280.514204][ T7274]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.514232][ T7274]  ? __raw_spin_lock_init+0x45/0x100
[  280.514257][ T7274]  ? __init_swait_queue_head+0xa9/0x150
[  280.514285][ T7274]  gfs2_sys_fs_add+0x234/0x450
[  280.514317][ T7274]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.514350][ T7274]  ? is_dynamic_key+0xd6/0x1c0
[  280.514376][ T7274]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.514417][ T7274]  gfs2_fill_super+0x13c0/0x20d0
[  280.514457][ T7274]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.514484][ T7274]  ? sb_set_blocksize+0x104/0x180
[  280.514510][ T7274]  ? setup_bdev_super+0x4c1/0x5b0
[  280.514537][ T7274]  get_tree_bdev_flags+0x40e/0x4d0
[  280.514561][ T7274]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.514583][ T7274]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.514604][ T7274]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.514643][ T7274]  gfs2_get_tree+0x51/0x1e0
[  280.514668][ T7274]  vfs_get_tree+0x92/0x2b0
[  280.514693][ T7274]  do_new_mount+0x302/0x9e0
[  280.514716][ T7274]  ? apparmor_capable+0x137/0x1b0
[  280.514751][ T7274]  ? __pfx_do_new_mount+0x10/0x10
[  280.514777][ T7274]  ? ns_capable+0x8a/0xf0
[  280.514799][ T7274]  ? kmem_cache_free+0x19b/0x690
[  280.514836][ T7274]  __se_sys_mount+0x313/0x410
[  280.514873][ T7274]  ? __pfx___se_sys_mount+0x10/0x10
[  280.514901][ T7274]  ? do_syscall_64+0xbe/0xfa0
[  280.514922][ T7274]  ? __x64_sys_mount+0x20/0xc0
[  280.514948][ T7274]  do_syscall_64+0xfa/0xfa0
[  280.514968][ T7274]  ? lockdep_hardirqs_on+0x9c/0x150
[  280.514990][ T7274]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.515009][ T7274]  ? clear_bhb_loop+0x60/0xb0
[  280.515032][ T7274]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.515051][ T7274] RIP: 0033:0x7f499779038a
[  280.515069][ T7274] 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
[  280.515087][ T7274] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.515116][ T7274] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  280.515131][ T7274] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  280.515146][ T7274] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  280.515160][ T7274] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  280.515173][ T7274] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  280.515204][ T7274]  </TASK>
[  280.515233][ T7274] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.844899][ T7274] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:28:34 executed programs: 194
[  281.176234][ T7278] loop1: detected capacity change from 0 to 32768
[  281.198607][ T7278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.206539][ T7278] CPU: 1 UID: 0 PID: 7278 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  281.206565][ T7278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  281.206578][ T7278] Call Trace:
[  281.206586][ T7278]  <TASK>
[  281.206595][ T7278]  dump_stack_lvl+0x189/0x250
[  281.206626][ T7278]  ? __pfx_dump_stack_lvl+0x10/0x10
[  281.206650][ T7278]  ? __pfx__printk+0x10/0x10
[  281.206686][ T7278]  ? kernfs_path_from_node+0x250/0x290
[  281.206707][ T7278]  ? kernfs_path_from_node+0x2f/0x290
[  281.206732][ T7278]  sysfs_create_dir_ns+0x259/0x280
[  281.206754][ T7278]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.206777][ T7278]  ? do_raw_spin_unlock+0x122/0x240
[  281.206806][ T7278]  kobject_add_internal+0x59f/0xb40
[  281.206842][ T7278]  kobject_init_and_add+0x125/0x190
[  281.206873][ T7278]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.206900][ T7278]  ? __raw_spin_lock_init+0x45/0x100
[  281.206925][ T7278]  ? __init_swait_queue_head+0xa9/0x150
[  281.206951][ T7278]  gfs2_sys_fs_add+0x234/0x450
[  281.206982][ T7278]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.207015][ T7278]  ? is_dynamic_key+0xd6/0x1c0
[  281.207041][ T7278]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.207080][ T7278]  gfs2_fill_super+0x13c0/0x20d0
[  281.207118][ T7278]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.207145][ T7278]  ? sb_set_blocksize+0x104/0x180
[  281.207171][ T7278]  ? setup_bdev_super+0x4c1/0x5b0
[  281.207198][ T7278]  get_tree_bdev_flags+0x40e/0x4d0
[  281.207226][ T7278]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.207248][ T7278]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.207269][ T7278]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.207310][ T7278]  gfs2_get_tree+0x51/0x1e0
[  281.207336][ T7278]  vfs_get_tree+0x92/0x2b0
[  281.207363][ T7278]  do_new_mount+0x302/0x9e0
[  281.207387][ T7278]  ? apparmor_capable+0x137/0x1b0
[  281.207420][ T7278]  ? __pfx_do_new_mount+0x10/0x10
[  281.207445][ T7278]  ? ns_capable+0x8a/0xf0
[  281.207465][ T7278]  ? kmem_cache_free+0x19b/0x690
[  281.207500][ T7278]  __se_sys_mount+0x313/0x410
[  281.207539][ T7278]  ? __pfx___se_sys_mount+0x10/0x10
[  281.207569][ T7278]  ? do_syscall_64+0xbe/0xfa0
[  281.207591][ T7278]  ? __x64_sys_mount+0x20/0xc0
[  281.207619][ T7278]  do_syscall_64+0xfa/0xfa0
[  281.207639][ T7278]  ? lockdep_hardirqs_on+0x9c/0x150
[  281.207662][ T7278]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.207682][ T7278]  ? clear_bhb_loop+0x60/0xb0
[  281.207706][ T7278]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.207726][ T7278] RIP: 0033:0x7f499779038a
[  281.207744][ T7278] 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
[  281.207763][ T7278] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.207784][ T7278] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  281.207798][ T7278] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  281.207811][ T7278] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  281.207824][ T7278] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  281.207837][ T7278] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  281.207867][ T7278]  </TASK>
[  281.207894][ T7278] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.424286][   T31] INFO: task syz.0.17:6474 blocked for more than 143 seconds.
[  281.429499][ T7278] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.440510][   T31]       Not tainted syzkaller #0
[  281.558884][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  281.568531][   T31] task:syz.0.17        state:D stack:26376 pid:6474  tgid:6474  ppid:6371   task_flags:0x400040 flags:0x00080002
[  281.581290][   T31] Call Trace:
[  281.584590][   T31]  <TASK>
[  281.587581][   T31]  __schedule+0x1798/0x4cc0
[  281.592239][   T31]  ? __pfx___schedule+0x10/0x10
[  281.597218][   T31]  ? schedule+0x91/0x360
[  281.601651][   T31]  schedule+0x165/0x360
[  281.605919][   T31]  io_schedule+0x80/0xd0
[  281.610240][   T31]  folio_wait_bit_common+0x6b0/0xb80
[  281.615564][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  281.622969][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  281.628674][   T31]  ? __lock_acquire+0xab9/0xd20
[  281.633759][   T31]  writeback_iter+0x8d8/0x12a0
[  281.638629][   T31]  iomap_writepages+0x14d/0x2d0
[  281.643590][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  281.649008][   T31]  gfs2_writepages+0x177/0x250
[  281.654029][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  281.659375][   T31]  ? __lock_acquire+0xab9/0xd20
[  281.666673][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  281.672418][   T31]  do_writepages+0x32e/0x550
[  281.677096][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  281.682815][   T31]  filemap_fdatawrite+0x199/0x240
[  281.687922][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  281.694013][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  281.699255][   T31]  gfs2_log_flush+0x966/0x24c0
[  281.704541][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  281.709851][   T31]  ? __pfx___up_read+0x10/0x10
[  281.715475][   T31]  gfs2_trans_end+0x37c/0x570
[  281.721936][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  281.727100][   T31]  ? do_page_mkwrite+0x14d/0x310
[  281.732654][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  281.738279][   T31]  ? gfs2_fault+0x19a/0x1f0
[  281.743321][   T31]  ? do_page_mkwrite+0x14d/0x310
[  281.748397][   T31]  do_page_mkwrite+0x14d/0x310
[  281.753744][   T31]  __handle_mm_fault+0x1916/0x5400
[  281.758905][   T31]  ? lock_vma_under_rcu+0x1a3/0x450
[  281.764597][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  281.770117][   T31]  ? lock_vma_under_rcu+0x3d2/0x450
[  281.776501][   T31]  ? __pfx_do_futex+0x10/0x10
[  281.781508][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  281.787093][   T31]  handle_mm_fault+0x40a/0x8e0
[  281.792326][   T31]  do_user_addr_fault+0xa7c/0x1380
[  281.797523][   T31]  ? rcu_is_watching+0x15/0xb0
[  281.802788][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  281.808196][   T31]  exc_page_fault+0x82/0x100
[  281.813203][   T31]  asm_exc_page_fault+0x26/0x30
[  281.818072][   T31] RIP: 0033:0x7f03534550b3
[  281.825193][   T31] RSP: 002b:00007ffe1e9da700 EFLAGS: 00010246
[  281.831920][   T31] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[  281.839929][   T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005555616f73c8
[  281.848386][   T31] RBP: 00007ffe1e9da808 R08: 0000000000000000 R09: 0000000000000000
[  281.856720][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f03537b5fac
[  281.865059][   T31] R13: 00007f03537b5fa0 R14: fffffffffffffffe R15: 00007ffe1e9da850
[  281.873847][   T31]  </TASK>
[  281.876948][   T31] 
[  281.876948][   T31] Showing all locks held in the system:
[  281.895244][   T31] 1 lock held by khungtaskd/31:
[  281.900133][   T31]  #0: ffffffff8dd3d2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  281.910719][   T31] 4 locks held by kworker/u8:5/1044:
[  281.916016][   T31]  #0: ffff88801ce8c948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[  281.929397][   T31]  #1: ffffc90003d6fba0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[  281.943927][   T31]  #2: ffff8880294bc0e0 (&type->s_umount_key#53){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[  281.954929][   T31]  #3: ffff888028a20e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  281.965742][   T31] 2 locks held by getty/5606:
[  281.970719][   T31]  #0: ffff8880340000a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  281.980905][   T31]  #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[  281.991764][   T31] 4 locks held by syz.0.17/6474:
[  281.996717][   T31]  #0: ffff8880769eb088 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1a3/0x450
[  282.007081][   T31]  #1: ffff8880294bc518 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x14d/0x310
[  282.017081][   T31]  #2: ffff8880294bc610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[  282.026857][   T31]  #3: ffff888028a20e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  282.031596][ T7282] loop1: detected capacity change from 0 to 32768
[  282.039197][   T31] 1 lock held by gfs2_logd/syz:s/6478:
[  282.051742][   T31]  #0: ffff888028a20e50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  282.062459][   T31] 1 lock held by udevd/7232:
[  282.064272][ T7282] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.067089][   T31] 6 locks held by syz.1.210/7282:
[  282.079829][   T31] 
[  282.082831][   T31] =============================================
[  282.082831][   T31] 
[  282.087949][ T7282] CPU: 0 UID: 0 PID: 7282 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  282.087974][ T7282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.087987][ T7282] Call Trace:
[  282.087996][ T7282]  <TASK>
[  282.088004][ T7282]  dump_stack_lvl+0x189/0x250
[  282.088036][ T7282]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.088061][ T7282]  ? __pfx__printk+0x10/0x10
[  282.088094][ T7282]  ? kernfs_path_from_node+0x250/0x290
[  282.088113][ T7282]  ? kernfs_path_from_node+0x2f/0x290
[  282.088136][ T7282]  sysfs_create_dir_ns+0x259/0x280
[  282.088159][ T7282]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.088180][ T7282]  ? do_raw_spin_unlock+0x122/0x240
[  282.088209][ T7282]  kobject_add_internal+0x59f/0xb40
[  282.088252][ T7282]  kobject_init_and_add+0x125/0x190
[  282.088287][ T7282]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.088314][ T7282]  ? __raw_spin_lock_init+0x45/0x100
[  282.088339][ T7282]  ? __init_swait_queue_head+0xa9/0x150
[  282.088365][ T7282]  gfs2_sys_fs_add+0x234/0x450
[  282.088396][ T7282]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.088430][ T7282]  ? is_dynamic_key+0xd6/0x1c0
[  282.088456][ T7282]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.088494][ T7282]  gfs2_fill_super+0x13c0/0x20d0
[  282.088531][ T7282]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.088556][ T7282]  ? sb_set_blocksize+0x104/0x180
[  282.088581][ T7282]  ? setup_bdev_super+0x4c1/0x5b0
[  282.088609][ T7282]  get_tree_bdev_flags+0x40e/0x4d0
[  282.088632][ T7282]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.088653][ T7282]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.088675][ T7282]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.088720][ T7282]  gfs2_get_tree+0x51/0x1e0
[  282.088744][ T7282]  vfs_get_tree+0x92/0x2b0
[  282.088770][ T7282]  do_new_mount+0x302/0x9e0
[  282.088794][ T7282]  ? apparmor_capable+0x137/0x1b0
[  282.088827][ T7282]  ? __pfx_do_new_mount+0x10/0x10
[  282.088851][ T7282]  ? ns_capable+0x8a/0xf0
[  282.088872][ T7282]  ? kmem_cache_free+0x19b/0x690
[  282.088907][ T7282]  __se_sys_mount+0x313/0x410
[  282.088938][ T7282]  ? __pfx___se_sys_mount+0x10/0x10
[  282.088967][ T7282]  ? do_syscall_64+0xbe/0xfa0
[  282.088989][ T7282]  ? __x64_sys_mount+0x20/0xc0
[  282.089016][ T7282]  do_syscall_64+0xfa/0xfa0
[  282.089037][ T7282]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.089060][ T7282]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.089079][ T7282]  ? clear_bhb_loop+0x60/0xb0
[  282.089102][ T7282]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.089121][ T7282] RIP: 0033:0x7f499779038a
[  282.089139][ T7282] 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
[  282.089157][ T7282] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.089178][ T7282] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  282.089193][ T7282] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  282.089208][ T7282] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  282.089222][ T7282] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  282.089233][ T7282] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  282.089265][ T7282]  </TASK>
[  282.089291][ T7282] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.091447][   T31] NMI backtrace for cpu 1
[  282.091461][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  282.091482][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.091494][   T31] Call Trace:
[  282.091501][   T31]  <TASK>
[  282.091510][   T31]  dump_stack_lvl+0x189/0x250
[  282.091537][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.091561][   T31]  ? __pfx__printk+0x10/0x10
[  282.091599][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  282.091631][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  282.091662][   T31]  ? __pfx__printk+0x10/0x10
[  282.091694][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  282.091723][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  282.091754][   T31]  watchdog+0xf60/0xfa0
[  282.091787][   T31]  ? watchdog+0x1e2/0xfa0
[  282.091818][   T31]  kthread+0x711/0x8a0
[  282.091844][   T31]  ? __pfx_watchdog+0x10/0x10
[  282.091870][   T31]  ? __pfx_kthread+0x10/0x10
[  282.091894][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  282.091914][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.091935][   T31]  ? __pfx_kthread+0x10/0x10
[  282.091958][   T31]  ret_from_fork+0x4bc/0x870
[  282.091989][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  282.092027][   T31]  ? __switch_to_asm+0x39/0x70
[  282.092051][   T31]  ? __switch_to_asm+0x33/0x70
[  282.092079][   T31]  ? __pfx_kthread+0x10/0x10
[  282.092103][   T31]  ret_from_fork_asm+0x1a/0x30
[  282.092143][   T31]  </TASK>
[  282.092151][   T31] Sending NMI from CPU 1 to CPUs 0:
[  282.177086][ T7282] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.181469][    C0] NMI backtrace for cpu 0
[  282.181484][    C0] CPU: 0 UID: 0 PID: 7282 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  282.181504][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.181516][    C0] RIP: 0010:io_serial_in+0x77/0xc0
[  282.181538][    C0] Code: e8 be 81 ae fc 44 89 f9 d3 e3 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 ff 26 14 fd 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc cc cc 44 89 f9 80 e1 07
[  282.181561][    C0] RSP: 0018:ffffc900053ef278 EFLAGS: 00000006
[  282.181577][    C0] RAX: 1ffffffff3317405 RBX: 00000000000003f9 RCX: 0000000000000000
[  282.181590][    C0] RDX: 00000000000003f9 RSI: 0000000000000000 RDI: 0000000000000020
[  282.181602][    C0] RBP: ffffc900053ef450 R08: 0000000000000003 R09: 0000000000000004
[  282.181613][    C0] R10: dffffc0000000000 R11: ffffffff85112030 R12: dffffc0000000000
[  282.181627][    C0] R13: dffffc0000000000 R14: ffffffff998ba2e0 R15: 0000000000000000
[  282.181641][    C0] FS:  00007f49985596c0(0000) GS:ffff88812616c000(0000) knlGS:0000000000000000
[  282.181657][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  282.181669][    C0] CR2: 00007f32979aa000 CR3: 0000000074f22000 CR4: 00000000003526f0
[  282.181685][    C0] Call Trace:
[  282.181693][    C0]  <TASK>
[  282.181703][    C0]  serial8250_console_write+0x584/0x1ba0
[  282.181728][    C0]  ? __lock_acquire+0xab9/0xd20
[  282.181753][    C0]  ? __pfx_serial8250_console_write+0x10/0x10
[  282.181772][    C0]  ? console_flush_all+0x13a/0xb10
[  282.181793][    C0]  ? console_flush_all+0x13a/0xb10
[  282.181816][    C0]  ? do_raw_spin_unlock+0x122/0x240
[  282.181838][    C0]  ? console_flush_all+0x13a/0xb10
[  282.181858][    C0]  console_flush_all+0x6f3/0xb10
[  282.181880][    C0]  ? console_flush_all+0x13a/0xb10
[  282.181903][    C0]  ? __pfx_console_flush_all+0x10/0x10
[  282.181928][    C0]  ? is_printk_cpu_sync_owner+0x32/0x40
[  282.181952][    C0]  console_unlock+0xbb/0x190
[  282.181970][    C0]  ? vprintk_emit+0x2ee/0x590
[  282.181987][    C0]  ? __pfx_console_unlock+0x10/0x10
[  282.182004][    C0]  ? vprintk_emit+0x220/0x590
[  282.182022][    C0]  ? vprintk_emit+0x495/0x590
[  282.182039][    C0]  ? vprintk_emit+0x2ee/0x590
[  282.182056][    C0]  ? vprintk_emit+0x2ee/0x590
[  282.182074][    C0]  vprintk_emit+0x4c5/0x590
[  282.182093][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  282.182111][    C0]  ? kobject_put+0x43f/0x480
[  282.182133][    C0]  ? kobj_kset_leave+0x163/0x190
[  282.182158][    C0]  ? kobject_add_internal+0x873/0xb40
[  282.182184][    C0]  _printk+0xcf/0x120
[  282.182211][    C0]  ? __pfx__printk+0x10/0x10
[  282.182235][    C0]  ? __raw_spin_lock_init+0x45/0x100
[  282.182256][    C0]  ? __init_swait_queue_head+0xa9/0x150
[  282.182278][    C0]  gfs2_sys_fs_add+0x39c/0x450
[  282.182303][    C0]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.182329][    C0]  ? is_dynamic_key+0xd6/0x1c0
[  282.182351][    C0]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.182379][    C0]  gfs2_fill_super+0x13c0/0x20d0
[  282.182406][    C0]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.182427][    C0]  ? sb_set_blocksize+0x104/0x180
[  282.182448][    C0]  ? setup_bdev_super+0x4c1/0x5b0
[  282.182475][    C0]  get_tree_bdev_flags+0x40e/0x4d0
[  282.182495][    C0]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.182514][    C0]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.182533][    C0]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.182562][    C0]  gfs2_get_tree+0x51/0x1e0
[  282.182583][    C0]  vfs_get_tree+0x92/0x2b0
[  282.182604][    C0]  do_new_mount+0x302/0x9e0
[  282.182625][    C0]  ? apparmor_capable+0x137/0x1b0
[  282.182651][    C0]  ? __pfx_do_new_mount+0x10/0x10
[  282.182673][    C0]  ? ns_capable+0x8a/0xf0
[  282.182690][    C0]  ? kmem_cache_free+0x19b/0x690
[  282.182716][    C0]  __se_sys_mount+0x313/0x410
[  282.182741][    C0]  ? __pfx___se_sys_mount+0x10/0x10
[  282.182765][    C0]  ? do_syscall_64+0xbe/0xfa0
[  282.182784][    C0]  ? __x64_sys_mount+0x20/0xc0
[  282.182807][    C0]  do_syscall_64+0xfa/0xfa0
[  282.182826][    C0]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.182846][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.182864][    C0]  ? clear_bhb_loop+0x60/0xb0
[  282.182883][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.182900][    C0] RIP: 0033:0x7f499779038a
[  282.182915][    C0] 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
[  282.182930][    C0] RSP: 002b:00007f4998558e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.182948][    C0] RAX: ffffffffffffffda RBX: 00007f4998558ef0 RCX: 00007f499779038a
[  282.182962][    C0] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4998558eb0
[  282.182975][    C0] RBP: 000020000001f680 R08: 00007f4998558ef0 R09: 0000000000000094
[  282.182988][    C0] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  282.183000][    C0] R13: 00007f4998558eb0 R14: 000000000001f790 R15: 00002000000001c0
[  282.183021][    C0]  </TASK>
[  282.190786][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  282.190818][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  282.190841][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  282.190855][   T31] Call Trace:
[  282.190864][   T31]  <TASK>
[  282.190874][   T31]  dump_stack_lvl+0x99/0x250
[  282.190903][   T31]  ? __asan_memcpy+0x40/0x70
[  282.190925][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.190949][   T31]  ? __pfx__printk+0x10/0x10
[  282.190989][   T31]  vpanic+0x237/0x6d0
[  282.191014][   T31]  ? __pfx_vpanic+0x10/0x10
[  282.191039][   T31]  ? preempt_schedule_common+0x83/0xd0
[  282.191069][   T31]  panic+0xb9/0xc0
[  282.191092][   T31]  ? __pfx_panic+0x10/0x10
[  282.191117][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  282.191142][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  282.191175][   T31]  watchdog+0xf9f/0xfa0
[  282.191209][   T31]  ? watchdog+0x1e2/0xfa0
[  282.191241][   T31]  kthread+0x711/0x8a0
[  282.191269][   T31]  ? __pfx_watchdog+0x10/0x10
[  282.191295][   T31]  ? __pfx_kthread+0x10/0x10
[  282.191320][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  282.191341][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.191362][   T31]  ? __pfx_kthread+0x10/0x10
[  282.191386][   T31]  ret_from_fork+0x4bc/0x870
[  282.191418][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  282.191453][   T31]  ? __switch_to_asm+0x39/0x70
[  282.191478][   T31]  ? __switch_to_asm+0x33/0x70
[  282.191503][   T31]  ? __pfx_kthread+0x10/0x10
[  282.191527][   T31]  ret_from_fork_asm+0x1a/0x30
[  282.191568][   T31]  </TASK>
[  282.193577][   T31] Kernel Offset: disabled