.093725][ T7123]  do_new_mount+0x302/0x9e0
[  240.093737][ T7123]  ? apparmor_capable+0x137/0x1b0
[  240.093756][ T7123]  ? __pfx_do_new_mount+0x10/0x10
[  240.093769][ T7123]  ? ns_capable+0x8a/0xf0
[  240.093781][ T7123]  ? kmem_cache_free+0x19b/0x690
[  240.093800][ T7123]  __se_sys_mount+0x313/0x410
[  240.093817][ T7123]  ? __pfx___se_sys_mount+0x10/0x10
[  240.093833][ T7123]  ? do_syscall_64+0xbe/0xfa0
[  240.093844][ T7123]  ? __x64_sys_mount+0x20/0xc0
[  240.093858][ T7123]  do_syscall_64+0xfa/0xfa0
[  240.093869][ T7123]  ? lockdep_hardirqs_on+0x9c/0x150
[  240.093881][ T7123]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.093892][ T7123]  ? clear_bhb_loop+0x60/0xb0
[  240.093904][ T7123]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.093914][ T7123] RIP: 0033:0x7f49ddf9038a
[  240.093924][ T7123] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.093934][ T7123] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.093947][ T7123] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  240.093955][ T7123] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  240.093962][ T7123] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  240.093970][ T7123] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  240.093976][ T7123] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  240.093993][ T7123]  </TASK>
[  240.094010][ T7123] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.421028][ T7123] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.762688][ T7129] loop1: detected capacity change from 0 to 32768
[  240.782624][ T7129] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.791202][ T7129] CPU: 1 UID: 0 PID: 7129 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full) 
[  240.791231][ T7129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  240.791244][ T7129] Call Trace:
[  240.791252][ T7129]  <TASK>
[  240.791261][ T7129]  dump_stack_lvl+0x189/0x250
[  240.791294][ T7129]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.791322][ T7129]  ? __pfx__printk+0x10/0x10
[  240.791356][ T7129]  ? kernfs_path_from_node+0x250/0x290
[  240.791377][ T7129]  ? kernfs_path_from_node+0x2f/0x290
[  240.791401][ T7129]  sysfs_create_dir_ns+0x259/0x280
[  240.791424][ T7129]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.791446][ T7129]  ? do_raw_spin_unlock+0x122/0x240
[  240.791475][ T7129]  kobject_add_internal+0x59f/0xb40
[  240.791512][ T7129]  kobject_init_and_add+0x125/0x190
[  240.791544][ T7129]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.791572][ T7129]  ? __raw_spin_lock_init+0x45/0x100
[  240.791604][ T7129]  ? __init_swait_queue_head+0xa9/0x150
[  240.791631][ T7129]  gfs2_sys_fs_add+0x234/0x450
[  240.791662][ T7129]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.791697][ T7129]  ? is_dynamic_key+0xd6/0x1c0
[  240.791725][ T7129]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.791765][ T7129]  gfs2_fill_super+0x13c0/0x20d0
[  240.791804][ T7129]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.791831][ T7129]  ? sb_set_blocksize+0x104/0x180
[  240.791857][ T7129]  ? setup_bdev_super+0x4c1/0x5b0
[  240.791885][ T7129]  get_tree_bdev_flags+0x40e/0x4d0
[  240.791908][ T7129]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.791930][ T7129]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.791952][ T7129]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  240.791991][ T7129]  gfs2_get_tree+0x51/0x1e0
[  240.792016][ T7129]  vfs_get_tree+0x92/0x2b0
[  240.792042][ T7129]  do_new_mount+0x302/0x9e0
[  240.792071][ T7129]  ? apparmor_capable+0x137/0x1b0
[  240.792104][ T7129]  ? __pfx_do_new_mount+0x10/0x10
[  240.792129][ T7129]  ? ns_capable+0x8a/0xf0
[  240.792155][ T7129]  ? kmem_cache_free+0x19b/0x690
[  240.792191][ T7129]  __se_sys_mount+0x313/0x410
[  240.792223][ T7129]  ? __pfx___se_sys_mount+0x10/0x10
[  240.792254][ T7129]  ? do_syscall_64+0xbe/0xfa0
[  240.792275][ T7129]  ? __x64_sys_mount+0x20/0xc0
[  240.792303][ T7129]  do_syscall_64+0xfa/0xfa0
[  240.792324][ T7129]  ? lockdep_hardirqs_on+0x9c/0x150
[  240.792347][ T7129]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.792366][ T7129]  ? clear_bhb_loop+0x60/0xb0
[  240.792390][ T7129]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.792409][ T7129] RIP: 0033:0x7f49ddf9038a
[  240.792426][ 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
[  240.792444][ T7129] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.792465][ T7129] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  240.792481][ T7129] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  240.792496][ T7129] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  240.792510][ T7129] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  240.792528][ T7129] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  240.792561][ T7129]  </TASK>
[  240.793724][ 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.
[  241.120203][ T7129] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.459374][ T7134] loop1: detected capacity change from 0 to 32768
[  241.475661][ T7134] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.483175][ T7134] CPU: 0 UID: 0 PID: 7134 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) 
[  241.483202][ T7134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  241.483214][ T7134] Call Trace:
[  241.483222][ T7134]  <TASK>
[  241.483231][ T7134]  dump_stack_lvl+0x189/0x250
[  241.483271][ T7134]  ? __pfx_dump_stack_lvl+0x10/0x10
[  241.483297][ T7134]  ? __pfx__printk+0x10/0x10
[  241.483332][ T7134]  ? kernfs_path_from_node+0x250/0x290
[  241.483350][ T7134]  ? kernfs_path_from_node+0x2f/0x290
[  241.483373][ T7134]  sysfs_create_dir_ns+0x259/0x280
[  241.483395][ T7134]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.483416][ T7134]  ? do_raw_spin_unlock+0x122/0x240
[  241.483446][ T7134]  kobject_add_internal+0x59f/0xb40
[  241.483481][ T7134]  kobject_init_and_add+0x125/0x190
[  241.483513][ T7134]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.483540][ T7134]  ? __raw_spin_lock_init+0x45/0x100
[  241.483565][ T7134]  ? __init_swait_queue_head+0xa9/0x150
[  241.483593][ T7134]  gfs2_sys_fs_add+0x234/0x450
[  241.483624][ T7134]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.483657][ T7134]  ? is_dynamic_key+0xd6/0x1c0
[  241.483682][ T7134]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.483721][ T7134]  gfs2_fill_super+0x13c0/0x20d0
[  241.483761][ T7134]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.483789][ T7134]  ? sb_set_blocksize+0x104/0x180
[  241.483817][ T7134]  ? setup_bdev_super+0x4c1/0x5b0
[  241.483842][ T7134]  get_tree_bdev_flags+0x40e/0x4d0
[  241.483865][ T7134]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.483886][ T7134]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.483915][ T7134]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  241.483951][ T7134]  gfs2_get_tree+0x51/0x1e0
[  241.483975][ T7134]  vfs_get_tree+0x92/0x2b0
[  241.484000][ T7134]  do_new_mount+0x302/0x9e0
[  241.484024][ T7134]  ? apparmor_capable+0x137/0x1b0
[  241.484056][ T7134]  ? __pfx_do_new_mount+0x10/0x10
[  241.484082][ T7134]  ? ns_capable+0x8a/0xf0
[  241.484102][ T7134]  ? kmem_cache_free+0x19b/0x690
[  241.484137][ T7134]  __se_sys_mount+0x313/0x410
[  241.484170][ T7134]  ? __pfx___se_sys_mount+0x10/0x10
[  241.484199][ T7134]  ? do_syscall_64+0xbe/0xfa0
[  241.484220][ T7134]  ? __x64_sys_mount+0x20/0xc0
[  241.484254][ T7134]  do_syscall_64+0xfa/0xfa0
[  241.484277][ T7134]  ? lockdep_hardirqs_on+0x9c/0x150
[  241.484301][ T7134]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.484319][ T7134]  ? clear_bhb_loop+0x60/0xb0
[  241.484344][ T7134]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.484363][ T7134] RIP: 0033:0x7f49ddf9038a
[  241.484381][ T7134] 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
[  241.484399][ T7134] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.484420][ T7134] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  241.484436][ T7134] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  241.484449][ T7134] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  241.484462][ T7134] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.484475][ T7134] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  241.484506][ T7134]  </TASK>
[  241.484534][ T7134] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.811453][ T7134] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:08:46 executed programs: 139
[  242.176083][ T7139] loop1: detected capacity change from 0 to 32768
[  242.189351][ T7139] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.197032][ T7139] CPU: 1 UID: 0 PID: 7139 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) 
[  242.197057][ T7139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  242.197070][ T7139] Call Trace:
[  242.197078][ T7139]  <TASK>
[  242.197086][ T7139]  dump_stack_lvl+0x189/0x250
[  242.197117][ T7139]  ? __pfx_dump_stack_lvl+0x10/0x10
[  242.197138][ T7139]  ? __pfx__printk+0x10/0x10
[  242.197171][ T7139]  ? kernfs_path_from_node+0x250/0x290
[  242.197191][ T7139]  ? kernfs_path_from_node+0x2f/0x290
[  242.197213][ T7139]  sysfs_create_dir_ns+0x259/0x280
[  242.197234][ T7139]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  242.197256][ T7139]  ? do_raw_spin_unlock+0x122/0x240
[  242.197284][ T7139]  kobject_add_internal+0x59f/0xb40
[  242.197318][ T7139]  kobject_init_and_add+0x125/0x190
[  242.197350][ T7139]  ? __pfx_kobject_init_and_add+0x10/0x10
[  242.197376][ T7139]  ? __raw_spin_lock_init+0x45/0x100
[  242.197400][ T7139]  ? __init_swait_queue_head+0xa9/0x150
[  242.197426][ T7139]  gfs2_sys_fs_add+0x234/0x450
[  242.197457][ T7139]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  242.197489][ T7139]  ? is_dynamic_key+0xd6/0x1c0
[  242.197514][ T7139]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  242.197554][ T7139]  gfs2_fill_super+0x13c0/0x20d0
[  242.197594][ T7139]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.197621][ T7139]  ? sb_set_blocksize+0x104/0x180
[  242.197647][ T7139]  ? setup_bdev_super+0x4c1/0x5b0
[  242.197674][ T7139]  get_tree_bdev_flags+0x40e/0x4d0
[  242.197697][ T7139]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.197718][ T7139]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  242.197738][ T7139]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  242.197775][ T7139]  gfs2_get_tree+0x51/0x1e0
[  242.197799][ T7139]  vfs_get_tree+0x92/0x2b0
[  242.197824][ T7139]  do_new_mount+0x302/0x9e0
[  242.197847][ T7139]  ? apparmor_capable+0x137/0x1b0
[  242.197879][ T7139]  ? __pfx_do_new_mount+0x10/0x10
[  242.197913][ T7139]  ? ns_capable+0x8a/0xf0
[  242.197934][ T7139]  ? kmem_cache_free+0x19b/0x690
[  242.197968][ T7139]  __se_sys_mount+0x313/0x410
[  242.197999][ T7139]  ? __pfx___se_sys_mount+0x10/0x10
[  242.198029][ T7139]  ? do_syscall_64+0xbe/0xfa0
[  242.198050][ T7139]  ? __x64_sys_mount+0x20/0xc0
[  242.198077][ T7139]  do_syscall_64+0xfa/0xfa0
[  242.198098][ T7139]  ? lockdep_hardirqs_on+0x9c/0x150
[  242.198120][ T7139]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.198139][ T7139]  ? clear_bhb_loop+0x60/0xb0
[  242.198163][ T7139]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.198183][ T7139] RIP: 0033:0x7f49ddf9038a
[  242.198201][ T7139] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.198220][ T7139] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.198241][ T7139] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  242.198257][ T7139] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  242.198271][ T7139] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  242.198285][ T7139] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  242.198297][ T7139] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  242.198328][ T7139]  </TASK>
[  242.198354][ T7139] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.526880][ T7139] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.852217][ T7143] loop1: detected capacity change from 0 to 32768
[  242.879049][ T7143] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.886796][ T7143] CPU: 0 UID: 0 PID: 7143 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) 
[  242.886823][ T7143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  242.886837][ T7143] Call Trace:
[  242.886845][ T7143]  <TASK>
[  242.886854][ T7143]  dump_stack_lvl+0x189/0x250
[  242.886968][ T7143]  ? __pfx_dump_stack_lvl+0x10/0x10
[  242.886993][ T7143]  ? __pfx__printk+0x10/0x10
[  242.887030][ T7143]  ? kernfs_path_from_node+0x250/0x290
[  242.887051][ T7143]  ? kernfs_path_from_node+0x2f/0x290
[  242.887074][ T7143]  sysfs_create_dir_ns+0x259/0x280
[  242.887098][ T7143]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  242.887120][ T7143]  ? do_raw_spin_unlock+0x122/0x240
[  242.887146][ T7143]  kobject_add_internal+0x59f/0xb40
[  242.887179][ T7143]  kobject_init_and_add+0x125/0x190
[  242.887209][ T7143]  ? __pfx_kobject_init_and_add+0x10/0x10
[  242.887235][ T7143]  ? __raw_spin_lock_init+0x45/0x100
[  242.887260][ T7143]  ? __init_swait_queue_head+0xa9/0x150
[  242.887287][ T7143]  gfs2_sys_fs_add+0x234/0x450
[  242.887318][ T7143]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  242.887349][ T7143]  ? is_dynamic_key+0xd6/0x1c0
[  242.887374][ T7143]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  242.887412][ T7143]  gfs2_fill_super+0x13c0/0x20d0
[  242.887453][ T7143]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.887481][ T7143]  ? sb_set_blocksize+0x104/0x180
[  242.887509][ T7143]  ? setup_bdev_super+0x4c1/0x5b0
[  242.887536][ T7143]  get_tree_bdev_flags+0x40e/0x4d0
[  242.887559][ T7143]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.887579][ T7143]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  242.887599][ T7143]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  242.887632][ T7143]  gfs2_get_tree+0x51/0x1e0
[  242.887655][ T7143]  vfs_get_tree+0x92/0x2b0
[  242.887679][ T7143]  do_new_mount+0x302/0x9e0
[  242.887700][ T7143]  ? apparmor_capable+0x137/0x1b0
[  242.887731][ T7143]  ? __pfx_do_new_mount+0x10/0x10
[  242.887755][ T7143]  ? ns_capable+0x8a/0xf0
[  242.887777][ T7143]  ? kmem_cache_free+0x19b/0x690
[  242.887810][ T7143]  __se_sys_mount+0x313/0x410
[  242.887841][ T7143]  ? __pfx___se_sys_mount+0x10/0x10
[  242.887871][ T7143]  ? do_syscall_64+0xbe/0xfa0
[  242.887891][ T7143]  ? __x64_sys_mount+0x20/0xc0
[  242.887928][ T7143]  do_syscall_64+0xfa/0xfa0
[  242.887951][ T7143]  ? lockdep_hardirqs_on+0x9c/0x150
[  242.887974][ T7143]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.887992][ T7143]  ? clear_bhb_loop+0x60/0xb0
[  242.888014][ T7143]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.888032][ T7143] RIP: 0033:0x7f49ddf9038a
[  242.888051][ T7143] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.888070][ T7143] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.888093][ T7143] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  242.888110][ T7143] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  242.888125][ T7143] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  242.888139][ T7143] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  242.888152][ T7143] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  242.888184][ T7143]  </TASK>
[  242.888246][ T7143] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.217076][ T7143] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.547575][ T7147] loop1: detected capacity change from 0 to 32768
[  243.557919][ T7147] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.565526][ T7147] CPU: 1 UID: 0 PID: 7147 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) 
[  243.565551][ T7147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  243.565570][ T7147] Call Trace:
[  243.565578][ T7147]  <TASK>
[  243.565589][ T7147]  dump_stack_lvl+0x189/0x250
[  243.565620][ T7147]  ? __pfx_dump_stack_lvl+0x10/0x10
[  243.565643][ T7147]  ? __pfx__printk+0x10/0x10
[  243.565674][ T7147]  ? kernfs_path_from_node+0x250/0x290
[  243.565691][ T7147]  ? kernfs_path_from_node+0x2f/0x290
[  243.565714][ T7147]  sysfs_create_dir_ns+0x259/0x280
[  243.565735][ T7147]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.565755][ T7147]  ? do_raw_spin_unlock+0x122/0x240
[  243.565782][ T7147]  kobject_add_internal+0x59f/0xb40
[  243.565816][ T7147]  kobject_init_and_add+0x125/0x190
[  243.565846][ T7147]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.565873][ T7147]  ? __raw_spin_lock_init+0x45/0x100
[  243.565899][ T7147]  ? __init_swait_queue_head+0xa9/0x150
[  243.565926][ T7147]  gfs2_sys_fs_add+0x234/0x450
[  243.565958][ T7147]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.565991][ T7147]  ? is_dynamic_key+0xd6/0x1c0
[  243.566019][ T7147]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.566066][ T7147]  gfs2_fill_super+0x13c0/0x20d0
[  243.566105][ T7147]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.566132][ T7147]  ? sb_set_blocksize+0x104/0x180
[  243.566158][ T7147]  ? setup_bdev_super+0x4c1/0x5b0
[  243.566185][ T7147]  get_tree_bdev_flags+0x40e/0x4d0
[  243.566209][ T7147]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.566231][ T7147]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.566253][ T7147]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  243.566291][ T7147]  gfs2_get_tree+0x51/0x1e0
[  243.566317][ T7147]  vfs_get_tree+0x92/0x2b0
[  243.566341][ T7147]  do_new_mount+0x302/0x9e0
[  243.566359][ T7147]  ? apparmor_capable+0x137/0x1b0
[  243.566387][ T7147]  ? __pfx_do_new_mount+0x10/0x10
[  243.566412][ T7147]  ? ns_capable+0x8a/0xf0
[  243.566435][ T7147]  ? kmem_cache_free+0x19b/0x690
[  243.566469][ T7147]  __se_sys_mount+0x313/0x410
[  243.566501][ T7147]  ? __pfx___se_sys_mount+0x10/0x10
[  243.566531][ T7147]  ? do_syscall_64+0xbe/0xfa0
[  243.566553][ T7147]  ? __x64_sys_mount+0x20/0xc0
[  243.566581][ T7147]  do_syscall_64+0xfa/0xfa0
[  243.566603][ T7147]  ? lockdep_hardirqs_on+0x9c/0x150
[  243.566626][ T7147]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.566645][ T7147]  ? clear_bhb_loop+0x60/0xb0
[  243.566669][ T7147]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.566686][ T7147] RIP: 0033:0x7f49ddf9038a
[  243.566704][ T7147] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.566722][ T7147] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.566743][ T7147] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  243.566758][ T7147] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  243.566773][ T7147] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  243.566786][ T7147] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.566799][ T7147] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  243.566833][ T7147]  </TASK>
[  243.566890][ T7147] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.893089][ T7147] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.224437][ T7151] loop1: detected capacity change from 0 to 32768
[  244.239437][ T7151] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.247314][ T7151] CPU: 1 UID: 0 PID: 7151 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) 
[  244.247340][ T7151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  244.247353][ T7151] Call Trace:
[  244.247362][ T7151]  <TASK>
[  244.247371][ T7151]  dump_stack_lvl+0x189/0x250
[  244.247402][ T7151]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.247427][ T7151]  ? __pfx__printk+0x10/0x10
[  244.247463][ T7151]  ? kernfs_path_from_node+0x250/0x290
[  244.247484][ T7151]  ? kernfs_path_from_node+0x2f/0x290
[  244.247509][ T7151]  sysfs_create_dir_ns+0x259/0x280
[  244.247532][ T7151]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.247553][ T7151]  ? do_raw_spin_unlock+0x122/0x240
[  244.247582][ T7151]  kobject_add_internal+0x59f/0xb40
[  244.247618][ T7151]  kobject_init_and_add+0x125/0x190
[  244.247650][ T7151]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.247678][ T7151]  ? __raw_spin_lock_init+0x45/0x100
[  244.247704][ T7151]  ? __init_swait_queue_head+0xa9/0x150
[  244.247730][ T7151]  gfs2_sys_fs_add+0x234/0x450
[  244.247761][ T7151]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.247797][ T7151]  ? is_dynamic_key+0xd6/0x1c0
[  244.247833][ T7151]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.247873][ T7151]  gfs2_fill_super+0x13c0/0x20d0
[  244.247911][ T7151]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.247937][ T7151]  ? sb_set_blocksize+0x104/0x180
[  244.247961][ T7151]  ? setup_bdev_super+0x4c1/0x5b0
[  244.247987][ T7151]  get_tree_bdev_flags+0x40e/0x4d0
[  244.248009][ T7151]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.248031][ T7151]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.248051][ T7151]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  244.248089][ T7151]  gfs2_get_tree+0x51/0x1e0
[  244.248114][ T7151]  vfs_get_tree+0x92/0x2b0
[  244.248139][ T7151]  do_new_mount+0x302/0x9e0
[  244.248162][ T7151]  ? apparmor_capable+0x137/0x1b0
[  244.248197][ T7151]  ? __pfx_do_new_mount+0x10/0x10
[  244.248221][ T7151]  ? ns_capable+0x8a/0xf0
[  244.248242][ T7151]  ? kmem_cache_free+0x19b/0x690
[  244.248274][ T7151]  __se_sys_mount+0x313/0x410
[  244.248306][ T7151]  ? __pfx___se_sys_mount+0x10/0x10
[  244.248336][ T7151]  ? do_syscall_64+0xbe/0xfa0
[  244.248359][ T7151]  ? __x64_sys_mount+0x20/0xc0
[  244.248387][ T7151]  do_syscall_64+0xfa/0xfa0
[  244.248409][ T7151]  ? lockdep_hardirqs_on+0x9c/0x150
[  244.248433][ T7151]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.248451][ T7151]  ? clear_bhb_loop+0x60/0xb0
[  244.248474][ T7151]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.248493][ T7151] RIP: 0033:0x7f49ddf9038a
[  244.248512][ T7151] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.248528][ T7151] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.248548][ T7151] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  244.248563][ T7151] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  244.248577][ T7151] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  244.248591][ T7151] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.248604][ T7151] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.248636][ T7151]  </TASK>
[  244.248663][ T7151] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.575501][ T7151] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.907869][ T7155] loop1: detected capacity change from 0 to 32768
[  244.921715][ T7155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.929590][ T7155] CPU: 1 UID: 0 PID: 7155 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) 
[  244.929615][ T7155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  244.929627][ T7155] Call Trace:
[  244.929635][ T7155]  <TASK>
[  244.929643][ T7155]  dump_stack_lvl+0x189/0x250
[  244.929674][ T7155]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.929698][ T7155]  ? __pfx__printk+0x10/0x10
[  244.929732][ T7155]  ? kernfs_path_from_node+0x250/0x290
[  244.929751][ T7155]  ? kernfs_path_from_node+0x2f/0x290
[  244.929775][ T7155]  sysfs_create_dir_ns+0x259/0x280
[  244.929797][ T7155]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.929819][ T7155]  ? do_raw_spin_unlock+0x122/0x240
[  244.929847][ T7155]  kobject_add_internal+0x59f/0xb40
[  244.929883][ T7155]  kobject_init_and_add+0x125/0x190
[  244.929913][ T7155]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.929949][ T7155]  ? __raw_spin_lock_init+0x45/0x100
[  244.929976][ T7155]  ? __init_swait_queue_head+0xa9/0x150
[  244.930005][ T7155]  gfs2_sys_fs_add+0x234/0x450
[  244.930036][ T7155]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.930070][ T7155]  ? is_dynamic_key+0xd6/0x1c0
[  244.930096][ T7155]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.930134][ T7155]  gfs2_fill_super+0x13c0/0x20d0
[  244.930171][ T7155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.930197][ T7155]  ? sb_set_blocksize+0x104/0x180
[  244.930223][ T7155]  ? setup_bdev_super+0x4c1/0x5b0
[  244.930250][ T7155]  get_tree_bdev_flags+0x40e/0x4d0
[  244.930273][ T7155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.930295][ T7155]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.930315][ T7155]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  244.930353][ T7155]  gfs2_get_tree+0x51/0x1e0
[  244.930378][ T7155]  vfs_get_tree+0x92/0x2b0
[  244.930402][ T7155]  do_new_mount+0x302/0x9e0
[  244.930424][ T7155]  ? apparmor_capable+0x137/0x1b0
[  244.930454][ T7155]  ? __pfx_do_new_mount+0x10/0x10
[  244.930479][ T7155]  ? ns_capable+0x8a/0xf0
[  244.930501][ T7155]  ? kmem_cache_free+0x19b/0x690
[  244.930533][ T7155]  __se_sys_mount+0x313/0x410
[  244.930564][ T7155]  ? __pfx___se_sys_mount+0x10/0x10
[  244.930594][ T7155]  ? do_syscall_64+0xbe/0xfa0
[  244.930617][ T7155]  ? __x64_sys_mount+0x20/0xc0
[  244.930645][ T7155]  do_syscall_64+0xfa/0xfa0
[  244.930668][ T7155]  ? lockdep_hardirqs_on+0x9c/0x150
[  244.930690][ T7155]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.930708][ T7155]  ? clear_bhb_loop+0x60/0xb0
[  244.930731][ T7155]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.930750][ T7155] RIP: 0033:0x7f49ddf9038a
[  244.930769][ T7155] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.930785][ T7155] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.930806][ T7155] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  244.930821][ T7155] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  244.930834][ T7155] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  244.930848][ T7155] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.930861][ T7155] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.930893][ T7155]  </TASK>
[  244.930929][ T7155] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.264910][ T7155] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.590508][ T7159] loop1: detected capacity change from 0 to 32768
[  245.604272][ T7159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.612091][ T7159] CPU: 1 UID: 0 PID: 7159 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  245.612117][ T7159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  245.612130][ T7159] Call Trace:
[  245.612138][ T7159]  <TASK>
[  245.612146][ T7159]  dump_stack_lvl+0x189/0x250
[  245.612178][ T7159]  ? __pfx_dump_stack_lvl+0x10/0x10
[  245.612201][ T7159]  ? __pfx__printk+0x10/0x10
[  245.612235][ T7159]  ? kernfs_path_from_node+0x250/0x290
[  245.612255][ T7159]  ? kernfs_path_from_node+0x2f/0x290
[  245.612278][ T7159]  sysfs_create_dir_ns+0x259/0x280
[  245.612300][ T7159]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  245.612323][ T7159]  ? do_raw_spin_unlock+0x122/0x240
[  245.612351][ T7159]  kobject_add_internal+0x59f/0xb40
[  245.612386][ T7159]  kobject_init_and_add+0x125/0x190
[  245.612418][ T7159]  ? __pfx_kobject_init_and_add+0x10/0x10
[  245.612445][ T7159]  ? __raw_spin_lock_init+0x45/0x100
[  245.612471][ T7159]  ? __init_swait_queue_head+0xa9/0x150
[  245.612499][ T7159]  gfs2_sys_fs_add+0x234/0x450
[  245.612528][ T7159]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  245.612562][ T7159]  ? is_dynamic_key+0xd6/0x1c0
[  245.612588][ T7159]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  245.612625][ T7159]  gfs2_fill_super+0x13c0/0x20d0
[  245.612674][ T7159]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.612702][ T7159]  ? sb_set_blocksize+0x104/0x180
[  245.612728][ T7159]  ? setup_bdev_super+0x4c1/0x5b0
[  245.612756][ T7159]  get_tree_bdev_flags+0x40e/0x4d0
[  245.612778][ T7159]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.612799][ T7159]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  245.612820][ T7159]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  245.612859][ T7159]  gfs2_get_tree+0x51/0x1e0
[  245.612885][ T7159]  vfs_get_tree+0x92/0x2b0
[  245.612911][ T7159]  do_new_mount+0x302/0x9e0
[  245.612932][ T7159]  ? apparmor_capable+0x137/0x1b0
[  245.612964][ T7159]  ? __pfx_do_new_mount+0x10/0x10
[  245.612989][ T7159]  ? ns_capable+0x8a/0xf0
[  245.613012][ T7159]  ? kmem_cache_free+0x19b/0x690
[  245.613049][ T7159]  __se_sys_mount+0x313/0x410
[  245.613082][ T7159]  ? __pfx___se_sys_mount+0x10/0x10
[  245.613111][ T7159]  ? do_syscall_64+0xbe/0xfa0
[  245.613132][ T7159]  ? __x64_sys_mount+0x20/0xc0
[  245.613159][ T7159]  do_syscall_64+0xfa/0xfa0
[  245.613178][ T7159]  ? lockdep_hardirqs_on+0x9c/0x150
[  245.613199][ T7159]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.613218][ T7159]  ? clear_bhb_loop+0x60/0xb0
[  245.613240][ T7159]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.613258][ T7159] RIP: 0033:0x7f49ddf9038a
[  245.613277][ T7159] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.613295][ T7159] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.613315][ T7159] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  245.613331][ T7159] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  245.613345][ T7159] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  245.613358][ T7159] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  245.613372][ T7159] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  245.613403][ T7159]  </TASK>
[  245.613430][ T7159] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.939916][ T7159] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.264493][ T7163] loop1: detected capacity change from 0 to 32768
[  246.278782][ T7163] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.286719][ T7163] CPU: 1 UID: 0 PID: 7163 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) 
[  246.286745][ T7163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  246.286763][ T7163] Call Trace:
[  246.286770][ T7163]  <TASK>
[  246.286779][ T7163]  dump_stack_lvl+0x189/0x250
[  246.286811][ T7163]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.286835][ T7163]  ? __pfx__printk+0x10/0x10
[  246.286868][ T7163]  ? kernfs_path_from_node+0x250/0x290
[  246.286888][ T7163]  ? kernfs_path_from_node+0x2f/0x290
[  246.286916][ T7163]  sysfs_create_dir_ns+0x259/0x280
[  246.286939][ T7163]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.286961][ T7163]  ? do_raw_spin_unlock+0x122/0x240
[  246.286987][ T7163]  kobject_add_internal+0x59f/0xb40
[  246.287022][ T7163]  kobject_init_and_add+0x125/0x190
[  246.287057][ T7163]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.287087][ T7163]  ? __raw_spin_lock_init+0x45/0x100
[  246.287113][ T7163]  ? __init_swait_queue_head+0xa9/0x150
[  246.287142][ T7163]  gfs2_sys_fs_add+0x234/0x450
[  246.287178][ T7163]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.287212][ T7163]  ? is_dynamic_key+0xd6/0x1c0
[  246.287239][ T7163]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.287277][ T7163]  gfs2_fill_super+0x13c0/0x20d0
[  246.287318][ T7163]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.287349][ T7163]  ? sb_set_blocksize+0x104/0x180
[  246.287376][ T7163]  ? setup_bdev_super+0x4c1/0x5b0
[  246.287403][ T7163]  get_tree_bdev_flags+0x40e/0x4d0
[  246.287425][ T7163]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.287446][ T7163]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.287476][ T7163]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  246.287527][ T7163]  gfs2_get_tree+0x51/0x1e0
[  246.287552][ T7163]  vfs_get_tree+0x92/0x2b0
[  246.287584][ T7163]  do_new_mount+0x302/0x9e0
[  246.287611][ T7163]  ? apparmor_capable+0x137/0x1b0
[  246.287643][ T7163]  ? __pfx_do_new_mount+0x10/0x10
[  246.287670][ T7163]  ? ns_capable+0x8a/0xf0
[  246.287692][ T7163]  ? kmem_cache_free+0x19b/0x690
[  246.287724][ T7163]  __se_sys_mount+0x313/0x410
[  246.287755][ T7163]  ? __pfx___se_sys_mount+0x10/0x10
[  246.287785][ T7163]  ? do_syscall_64+0xbe/0xfa0
[  246.287808][ T7163]  ? __x64_sys_mount+0x20/0xc0
[  246.287840][ T7163]  do_syscall_64+0xfa/0xfa0
[  246.287861][ T7163]  ? lockdep_hardirqs_on+0x9c/0x150
[  246.287883][ T7163]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.287902][ T7163]  ? clear_bhb_loop+0x60/0xb0
[  246.287925][ T7163]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.287949][ T7163] RIP: 0033:0x7f49ddf9038a
[  246.287967][ T7163] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.287985][ T7163] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.288005][ T7163] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  246.288020][ T7163] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  246.288035][ T7163] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  246.288048][ T7163] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  246.288063][ T7163] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.288101][ T7163]  </TASK>
[  246.288129][ T7163] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.614906][ T7163] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.931731][ T7167] loop1: detected capacity change from 0 to 32768
[  246.947131][ T7167] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.957976][ T7167] CPU: 1 UID: 0 PID: 7167 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) 
[  246.958002][ T7167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  246.958015][ T7167] Call Trace:
[  246.958023][ T7167]  <TASK>
[  246.958032][ T7167]  dump_stack_lvl+0x189/0x250
[  246.958065][ T7167]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.958090][ T7167]  ? __pfx__printk+0x10/0x10
[  246.958125][ T7167]  ? kernfs_path_from_node+0x250/0x290
[  246.958144][ T7167]  ? kernfs_path_from_node+0x2f/0x290
[  246.958169][ T7167]  sysfs_create_dir_ns+0x259/0x280
[  246.958192][ T7167]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.958214][ T7167]  ? do_raw_spin_unlock+0x122/0x240
[  246.958243][ T7167]  kobject_add_internal+0x59f/0xb40
[  246.958279][ T7167]  kobject_init_and_add+0x125/0x190
[  246.958312][ T7167]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.958340][ T7167]  ? __raw_spin_lock_init+0x45/0x100
[  246.958366][ T7167]  ? __init_swait_queue_head+0xa9/0x150
[  246.958394][ T7167]  gfs2_sys_fs_add+0x234/0x450
[  246.958425][ T7167]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.958460][ T7167]  ? is_dynamic_key+0xd6/0x1c0
[  246.958487][ T7167]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.958526][ T7167]  gfs2_fill_super+0x13c0/0x20d0
[  246.958565][ T7167]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.958592][ T7167]  ? sb_set_blocksize+0x104/0x180
[  246.958620][ T7167]  ? setup_bdev_super+0x4c1/0x5b0
[  246.958646][ T7167]  get_tree_bdev_flags+0x40e/0x4d0
[  246.958670][ T7167]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.958692][ T7167]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.958713][ T7167]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  246.958759][ T7167]  gfs2_get_tree+0x51/0x1e0
[  246.958784][ T7167]  vfs_get_tree+0x92/0x2b0
[  246.958810][ T7167]  do_new_mount+0x302/0x9e0
[  246.958834][ T7167]  ? apparmor_capable+0x137/0x1b0
[  246.958867][ T7167]  ? __pfx_do_new_mount+0x10/0x10
[  246.958892][ T7167]  ? ns_capable+0x8a/0xf0
[  246.958914][ T7167]  ? kmem_cache_free+0x19b/0x690
[  246.958950][ T7167]  __se_sys_mount+0x313/0x410
[  246.958982][ T7167]  ? __pfx___se_sys_mount+0x10/0x10
[  246.959012][ T7167]  ? do_syscall_64+0xbe/0xfa0
[  246.959034][ T7167]  ? __x64_sys_mount+0x20/0xc0
[  246.959062][ T7167]  do_syscall_64+0xfa/0xfa0
[  246.959084][ T7167]  ? lockdep_hardirqs_on+0x9c/0x150
[  246.959106][ T7167]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.959126][ T7167]  ? clear_bhb_loop+0x60/0xb0
[  246.959150][ T7167]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.959169][ T7167] RIP: 0033:0x7f49ddf9038a
[  246.959187][ T7167] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.959205][ T7167] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.959226][ T7167] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  246.959242][ T7167] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  246.959257][ T7167] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  246.959271][ T7167] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  246.959284][ T7167] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.959317][ T7167]  </TASK>
[  246.959342][ T7167] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.286465][ T7167] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:08:52 executed programs: 147
[  247.622698][ T7171] loop1: detected capacity change from 0 to 32768
[  247.651945][ T7171] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.661073][ T7171] CPU: 0 UID: 0 PID: 7171 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) 
[  247.661102][ T7171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  247.661115][ T7171] Call Trace:
[  247.661123][ T7171]  <TASK>
[  247.661133][ T7171]  dump_stack_lvl+0x189/0x250
[  247.661166][ T7171]  ? __pfx_dump_stack_lvl+0x10/0x10
[  247.661191][ T7171]  ? __pfx__printk+0x10/0x10
[  247.661225][ T7171]  ? kernfs_path_from_node+0x250/0x290
[  247.661245][ T7171]  ? kernfs_path_from_node+0x2f/0x290
[  247.661270][ T7171]  sysfs_create_dir_ns+0x259/0x280
[  247.661293][ T7171]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.661315][ T7171]  ? do_raw_spin_unlock+0x122/0x240
[  247.661345][ T7171]  kobject_add_internal+0x59f/0xb40
[  247.661399][ T7171]  kobject_init_and_add+0x125/0x190
[  247.661432][ T7171]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.661460][ T7171]  ? __raw_spin_lock_init+0x45/0x100
[  247.661486][ T7171]  ? __init_swait_queue_head+0xa9/0x150
[  247.661513][ T7171]  gfs2_sys_fs_add+0x234/0x450
[  247.661545][ T7171]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.661579][ T7171]  ? is_dynamic_key+0xd6/0x1c0
[  247.661606][ T7171]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.661645][ T7171]  gfs2_fill_super+0x13c0/0x20d0
[  247.661684][ T7171]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.661712][ T7171]  ? sb_set_blocksize+0x104/0x180
[  247.661738][ T7171]  ? setup_bdev_super+0x4c1/0x5b0
[  247.661769][ T7171]  get_tree_bdev_flags+0x40e/0x4d0
[  247.661793][ T7171]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.661815][ T7171]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.661837][ T7171]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  247.661876][ T7171]  gfs2_get_tree+0x51/0x1e0
[  247.661901][ T7171]  vfs_get_tree+0x92/0x2b0
[  247.661928][ T7171]  do_new_mount+0x302/0x9e0
[  247.661952][ T7171]  ? apparmor_capable+0x137/0x1b0
[  247.661986][ T7171]  ? __pfx_do_new_mount+0x10/0x10
[  247.662011][ T7171]  ? ns_capable+0x8a/0xf0
[  247.662033][ T7171]  ? kmem_cache_free+0x19b/0x690
[  247.662068][ T7171]  __se_sys_mount+0x313/0x410
[  247.662101][ T7171]  ? __pfx___se_sys_mount+0x10/0x10
[  247.662132][ T7171]  ? do_syscall_64+0xbe/0xfa0
[  247.662154][ T7171]  ? __x64_sys_mount+0x20/0xc0
[  247.662182][ T7171]  do_syscall_64+0xfa/0xfa0
[  247.662204][ T7171]  ? lockdep_hardirqs_on+0x9c/0x150
[  247.662225][ T7171]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.662242][ T7171]  ? clear_bhb_loop+0x60/0xb0
[  247.662266][ T7171]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.662284][ T7171] RIP: 0033:0x7f49ddf9038a
[  247.662301][ T7171] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.662319][ T7171] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.662339][ T7171] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  247.662355][ T7171] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  247.662376][ T7171] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  247.662390][ T7171] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  247.662409][ T7171] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  247.662442][ T7171]  </TASK>
[  247.662716][ T7171] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.990028][ T7171] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.323306][ T7175] loop1: detected capacity change from 0 to 32768
[  248.336588][ T7175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.343992][ T7175] CPU: 0 UID: 0 PID: 7175 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  248.344017][ T7175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  248.344030][ T7175] Call Trace:
[  248.344038][ T7175]  <TASK>
[  248.344047][ T7175]  dump_stack_lvl+0x189/0x250
[  248.344081][ T7175]  ? __pfx_dump_stack_lvl+0x10/0x10
[  248.344105][ T7175]  ? __pfx__printk+0x10/0x10
[  248.344141][ T7175]  ? kernfs_path_from_node+0x250/0x290
[  248.344160][ T7175]  ? kernfs_path_from_node+0x2f/0x290
[  248.344183][ T7175]  sysfs_create_dir_ns+0x259/0x280
[  248.344206][ T7175]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.344229][ T7175]  ? do_raw_spin_unlock+0x122/0x240
[  248.344259][ T7175]  kobject_add_internal+0x59f/0xb40
[  248.344296][ T7175]  kobject_init_and_add+0x125/0x190
[  248.344339][ T7175]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.344366][ T7175]  ? __raw_spin_lock_init+0x45/0x100
[  248.344392][ T7175]  ? __init_swait_queue_head+0xa9/0x150
[  248.344418][ T7175]  gfs2_sys_fs_add+0x234/0x450
[  248.344449][ T7175]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.344482][ T7175]  ? is_dynamic_key+0xd6/0x1c0
[  248.344509][ T7175]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.344547][ T7175]  gfs2_fill_super+0x13c0/0x20d0
[  248.344584][ T7175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.344611][ T7175]  ? sb_set_blocksize+0x104/0x180
[  248.344636][ T7175]  ? setup_bdev_super+0x4c1/0x5b0
[  248.344663][ T7175]  get_tree_bdev_flags+0x40e/0x4d0
[  248.344687][ T7175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.344709][ T7175]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.344729][ T7175]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  248.344767][ T7175]  gfs2_get_tree+0x51/0x1e0
[  248.344793][ T7175]  vfs_get_tree+0x92/0x2b0
[  248.344821][ T7175]  do_new_mount+0x302/0x9e0
[  248.344845][ T7175]  ? apparmor_capable+0x137/0x1b0
[  248.344885][ T7175]  ? __pfx_do_new_mount+0x10/0x10
[  248.344910][ T7175]  ? ns_capable+0x8a/0xf0
[  248.344931][ T7175]  ? kmem_cache_free+0x19b/0x690
[  248.344966][ T7175]  __se_sys_mount+0x313/0x410
[  248.344997][ T7175]  ? __pfx___se_sys_mount+0x10/0x10
[  248.345028][ T7175]  ? do_syscall_64+0xbe/0xfa0
[  248.345048][ T7175]  ? __x64_sys_mount+0x20/0xc0
[  248.345074][ T7175]  do_syscall_64+0xfa/0xfa0
[  248.345095][ T7175]  ? lockdep_hardirqs_on+0x9c/0x150
[  248.345118][ T7175]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.345138][ T7175]  ? clear_bhb_loop+0x60/0xb0
[  248.345163][ T7175]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.345183][ T7175] RIP: 0033:0x7f49ddf9038a
[  248.345201][ T7175] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.345219][ T7175] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.345240][ T7175] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  248.345256][ T7175] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  248.345270][ T7175] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  248.345284][ T7175] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  248.345296][ T7175] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  248.345336][ T7175]  </TASK>
[  248.658109][ T7175] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.672063][ T7175] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.008329][ T7179] loop1: detected capacity change from 0 to 32768
[  249.017468][ T7179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.024866][ T7179] CPU: 1 UID: 0 PID: 7179 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) 
[  249.024892][ T7179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  249.024904][ T7179] Call Trace:
[  249.024913][ T7179]  <TASK>
[  249.024922][ T7179]  dump_stack_lvl+0x189/0x250
[  249.024955][ T7179]  ? __pfx_dump_stack_lvl+0x10/0x10
[  249.024977][ T7179]  ? __pfx__printk+0x10/0x10
[  249.025011][ T7179]  ? kernfs_path_from_node+0x250/0x290
[  249.025031][ T7179]  ? kernfs_path_from_node+0x2f/0x290
[  249.025056][ T7179]  sysfs_create_dir_ns+0x259/0x280
[  249.025078][ T7179]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  249.025098][ T7179]  ? do_raw_spin_unlock+0x122/0x240
[  249.025127][ T7179]  kobject_add_internal+0x59f/0xb40
[  249.025162][ T7179]  kobject_init_and_add+0x125/0x190
[  249.025193][ T7179]  ? __pfx_kobject_init_and_add+0x10/0x10
[  249.025220][ T7179]  ? __raw_spin_lock_init+0x45/0x100
[  249.025246][ T7179]  ? __init_swait_queue_head+0xa9/0x150
[  249.025281][ T7179]  gfs2_sys_fs_add+0x234/0x450
[  249.025312][ T7179]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  249.025344][ T7179]  ? is_dynamic_key+0xd6/0x1c0
[  249.025370][ T7179]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  249.025408][ T7179]  gfs2_fill_super+0x13c0/0x20d0
[  249.025447][ T7179]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.025474][ T7179]  ? sb_set_blocksize+0x104/0x180
[  249.025501][ T7179]  ? setup_bdev_super+0x4c1/0x5b0
[  249.025527][ T7179]  get_tree_bdev_flags+0x40e/0x4d0
[  249.025551][ T7179]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.025573][ T7179]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  249.025594][ T7179]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  249.025633][ T7179]  gfs2_get_tree+0x51/0x1e0
[  249.025659][ T7179]  vfs_get_tree+0x92/0x2b0
[  249.025685][ T7179]  do_new_mount+0x302/0x9e0
[  249.025709][ T7179]  ? apparmor_capable+0x137/0x1b0
[  249.025743][ T7179]  ? __pfx_do_new_mount+0x10/0x10
[  249.025768][ T7179]  ? ns_capable+0x8a/0xf0
[  249.025789][ T7179]  ? kmem_cache_free+0x19b/0x690
[  249.025824][ T7179]  __se_sys_mount+0x313/0x410
[  249.025856][ T7179]  ? __pfx___se_sys_mount+0x10/0x10
[  249.025886][ T7179]  ? do_syscall_64+0xbe/0xfa0
[  249.025907][ T7179]  ? __x64_sys_mount+0x20/0xc0
[  249.025934][ T7179]  do_syscall_64+0xfa/0xfa0
[  249.025955][ T7179]  ? lockdep_hardirqs_on+0x9c/0x150
[  249.025976][ T7179]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.025995][ T7179]  ? clear_bhb_loop+0x60/0xb0
[  249.026020][ T7179]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.026039][ T7179] RIP: 0033:0x7f49ddf9038a
[  249.026058][ T7179] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.026074][ T7179] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.026095][ T7179] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  249.026110][ T7179] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  249.026124][ T7179] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  249.026137][ T7179] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  249.026150][ T7179] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  249.026184][ T7179]  </TASK>
[  249.338192][ T7179] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.353390][ T7179] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.660500][ T7183] loop1: detected capacity change from 0 to 32768
[  249.671507][ T7183] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.685732][ T7183] CPU: 1 UID: 0 PID: 7183 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) 
[  249.685759][ T7183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  249.685771][ T7183] Call Trace:
[  249.685779][ T7183]  <TASK>
[  249.685788][ T7183]  dump_stack_lvl+0x189/0x250
[  249.685821][ T7183]  ? __pfx_dump_stack_lvl+0x10/0x10
[  249.685845][ T7183]  ? __pfx__printk+0x10/0x10
[  249.685881][ T7183]  ? kernfs_path_from_node+0x250/0x290
[  249.685900][ T7183]  ? kernfs_path_from_node+0x2f/0x290
[  249.685924][ T7183]  sysfs_create_dir_ns+0x259/0x280
[  249.685948][ T7183]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  249.685971][ T7183]  ? do_raw_spin_unlock+0x122/0x240
[  249.685999][ T7183]  kobject_add_internal+0x59f/0xb40
[  249.686036][ T7183]  kobject_init_and_add+0x125/0x190
[  249.686069][ T7183]  ? __pfx_kobject_init_and_add+0x10/0x10
[  249.686097][ T7183]  ? __raw_spin_lock_init+0x45/0x100
[  249.686123][ T7183]  ? __init_swait_queue_head+0xa9/0x150
[  249.686150][ T7183]  gfs2_sys_fs_add+0x234/0x450
[  249.686182][ T7183]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  249.686217][ T7183]  ? is_dynamic_key+0xd6/0x1c0
[  249.686243][ T7183]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  249.686282][ T7183]  gfs2_fill_super+0x13c0/0x20d0
[  249.686322][ T7183]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.686349][ T7183]  ? sb_set_blocksize+0x104/0x180
[  249.686376][ T7183]  ? setup_bdev_super+0x4c1/0x5b0
[  249.686402][ T7183]  get_tree_bdev_flags+0x40e/0x4d0
[  249.686425][ T7183]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.686447][ T7183]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  249.686476][ T7183]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  249.686515][ T7183]  gfs2_get_tree+0x51/0x1e0
[  249.686540][ T7183]  vfs_get_tree+0x92/0x2b0
[  249.686566][ T7183]  do_new_mount+0x302/0x9e0
[  249.686590][ T7183]  ? apparmor_capable+0x137/0x1b0
[  249.686622][ T7183]  ? __pfx_do_new_mount+0x10/0x10
[  249.686644][ T7183]  ? ns_capable+0x8a/0xf0
[  249.686663][ T7183]  ? kmem_cache_free+0x19b/0x690
[  249.686698][ T7183]  __se_sys_mount+0x313/0x410
[  249.686727][ T7183]  ? __pfx___se_sys_mount+0x10/0x10
[  249.686757][ T7183]  ? do_syscall_64+0xbe/0xfa0
[  249.686778][ T7183]  ? __x64_sys_mount+0x20/0xc0
[  249.686806][ T7183]  do_syscall_64+0xfa/0xfa0
[  249.686826][ T7183]  ? lockdep_hardirqs_on+0x9c/0x150
[  249.686848][ T7183]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.686866][ T7183]  ? clear_bhb_loop+0x60/0xb0
[  249.686889][ T7183]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.686906][ T7183] RIP: 0033:0x7f49ddf9038a
[  249.686924][ T7183] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.686942][ T7183] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.686961][ T7183] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  249.686976][ T7183] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  249.686990][ T7183] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  249.687003][ T7183] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  249.687016][ T7183] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  249.687048][ T7183]  </TASK>
[  249.687074][ T7183] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.015005][ T7183] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.352736][ T7187] loop1: detected capacity change from 0 to 32768
[  250.372845][ T7187] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.380826][ T7187] CPU: 0 UID: 0 PID: 7187 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) 
[  250.380853][ T7187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  250.380865][ T7187] Call Trace:
[  250.380873][ T7187]  <TASK>
[  250.380882][ T7187]  dump_stack_lvl+0x189/0x250
[  250.380915][ T7187]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.380940][ T7187]  ? __pfx__printk+0x10/0x10
[  250.380974][ T7187]  ? kernfs_path_from_node+0x250/0x290
[  250.380995][ T7187]  ? kernfs_path_from_node+0x2f/0x290
[  250.381019][ T7187]  sysfs_create_dir_ns+0x259/0x280
[  250.381042][ T7187]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.381064][ T7187]  ? do_raw_spin_unlock+0x122/0x240
[  250.381110][ T7187]  kobject_add_internal+0x59f/0xb40
[  250.381146][ T7187]  kobject_init_and_add+0x125/0x190
[  250.381179][ T7187]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.381207][ T7187]  ? __raw_spin_lock_init+0x45/0x100
[  250.381233][ T7187]  ? __init_swait_queue_head+0xa9/0x150
[  250.381261][ T7187]  gfs2_sys_fs_add+0x234/0x450
[  250.381292][ T7187]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.381326][ T7187]  ? is_dynamic_key+0xd6/0x1c0
[  250.381354][ T7187]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.381399][ T7187]  gfs2_fill_super+0x13c0/0x20d0
[  250.381438][ T7187]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.381465][ T7187]  ? sb_set_blocksize+0x104/0x180
[  250.381491][ T7187]  ? setup_bdev_super+0x4c1/0x5b0
[  250.381519][ T7187]  get_tree_bdev_flags+0x40e/0x4d0
[  250.381543][ T7187]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.381565][ T7187]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.381587][ T7187]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.381626][ T7187]  gfs2_get_tree+0x51/0x1e0
[  250.381651][ T7187]  vfs_get_tree+0x92/0x2b0
[  250.381677][ T7187]  do_new_mount+0x302/0x9e0
[  250.381700][ T7187]  ? apparmor_capable+0x137/0x1b0
[  250.381734][ T7187]  ? __pfx_do_new_mount+0x10/0x10
[  250.381760][ T7187]  ? ns_capable+0x8a/0xf0
[  250.381781][ T7187]  ? kmem_cache_free+0x19b/0x690
[  250.381816][ T7187]  __se_sys_mount+0x313/0x410
[  250.381848][ T7187]  ? __pfx___se_sys_mount+0x10/0x10
[  250.381878][ T7187]  ? do_syscall_64+0xbe/0xfa0
[  250.381899][ T7187]  ? __x64_sys_mount+0x20/0xc0
[  250.381928][ T7187]  do_syscall_64+0xfa/0xfa0
[  250.381949][ T7187]  ? lockdep_hardirqs_on+0x9c/0x150
[  250.381972][ T7187]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.381991][ T7187]  ? clear_bhb_loop+0x60/0xb0
[  250.382015][ T7187]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.382034][ T7187] RIP: 0033:0x7f49ddf9038a
[  250.382052][ T7187] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.382070][ T7187] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.382091][ T7187] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  250.382107][ T7187] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  250.382121][ T7187] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  250.382135][ T7187] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.382149][ T7187] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.382182][ T7187]  </TASK>
[  250.382208][ T7187] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.710639][ T7187] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.036848][ T7191] loop1: detected capacity change from 0 to 32768
[  251.050622][ T7191] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.058517][ T7191] CPU: 0 UID: 0 PID: 7191 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) 
[  251.058542][ T7191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  251.058555][ T7191] Call Trace:
[  251.058563][ T7191]  <TASK>
[  251.058572][ T7191]  dump_stack_lvl+0x189/0x250
[  251.058604][ T7191]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.058629][ T7191]  ? __pfx__printk+0x10/0x10
[  251.058661][ T7191]  ? kernfs_path_from_node+0x250/0x290
[  251.058680][ T7191]  ? kernfs_path_from_node+0x2f/0x290
[  251.058703][ T7191]  sysfs_create_dir_ns+0x259/0x280
[  251.058726][ T7191]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.058750][ T7191]  ? do_raw_spin_unlock+0x122/0x240
[  251.058780][ T7191]  kobject_add_internal+0x59f/0xb40
[  251.058816][ T7191]  kobject_init_and_add+0x125/0x190
[  251.058848][ T7191]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.058875][ T7191]  ? __raw_spin_lock_init+0x45/0x100
[  251.058901][ T7191]  ? __init_swait_queue_head+0xa9/0x150
[  251.058927][ T7191]  gfs2_sys_fs_add+0x234/0x450
[  251.058957][ T7191]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.058990][ T7191]  ? is_dynamic_key+0xd6/0x1c0
[  251.059017][ T7191]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.059065][ T7191]  gfs2_fill_super+0x13c0/0x20d0
[  251.059104][ T7191]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.059130][ T7191]  ? sb_set_blocksize+0x104/0x180
[  251.059156][ T7191]  ? setup_bdev_super+0x4c1/0x5b0
[  251.059184][ T7191]  get_tree_bdev_flags+0x40e/0x4d0
[  251.059208][ T7191]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.059229][ T7191]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.059248][ T7191]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  251.059285][ T7191]  gfs2_get_tree+0x51/0x1e0
[  251.059310][ T7191]  vfs_get_tree+0x92/0x2b0
[  251.059334][ T7191]  do_new_mount+0x302/0x9e0
[  251.059357][ T7191]  ? apparmor_capable+0x137/0x1b0
[  251.059391][ T7191]  ? __pfx_do_new_mount+0x10/0x10
[  251.059417][ T7191]  ? ns_capable+0x8a/0xf0
[  251.059439][ T7191]  ? kmem_cache_free+0x19b/0x690
[  251.059475][ T7191]  __se_sys_mount+0x313/0x410
[  251.059506][ T7191]  ? __pfx___se_sys_mount+0x10/0x10
[  251.059536][ T7191]  ? do_syscall_64+0xbe/0xfa0
[  251.059557][ T7191]  ? __x64_sys_mount+0x20/0xc0
[  251.059585][ T7191]  do_syscall_64+0xfa/0xfa0
[  251.059606][ T7191]  ? lockdep_hardirqs_on+0x9c/0x150
[  251.059629][ T7191]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.059648][ T7191]  ? clear_bhb_loop+0x60/0xb0
[  251.059670][ T7191]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.059689][ T7191] RIP: 0033:0x7f49ddf9038a
[  251.059706][ T7191] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.059725][ T7191] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.059747][ T7191] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  251.059764][ T7191] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  251.059779][ T7191] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  251.059794][ T7191] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  251.059808][ T7191] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  251.059839][ T7191]  </TASK>
[  251.059865][ T7191] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.387294][ T7191] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.717630][ T7195] loop1: detected capacity change from 0 to 32768
[  251.743144][ T7195] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.750651][ T7195] CPU: 0 UID: 0 PID: 7195 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) 
[  251.750676][ T7195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  251.750689][ T7195] Call Trace:
[  251.750697][ T7195]  <TASK>
[  251.750705][ T7195]  dump_stack_lvl+0x189/0x250
[  251.750738][ T7195]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.750763][ T7195]  ? __pfx__printk+0x10/0x10
[  251.750798][ T7195]  ? kernfs_path_from_node+0x250/0x290
[  251.750818][ T7195]  ? kernfs_path_from_node+0x2f/0x290
[  251.750842][ T7195]  sysfs_create_dir_ns+0x259/0x280
[  251.750866][ T7195]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.750888][ T7195]  ? do_raw_spin_unlock+0x122/0x240
[  251.750918][ T7195]  kobject_add_internal+0x59f/0xb40
[  251.750955][ T7195]  kobject_init_and_add+0x125/0x190
[  251.750986][ T7195]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.751014][ T7195]  ? __raw_spin_lock_init+0x45/0x100
[  251.751040][ T7195]  ? __init_swait_queue_head+0xa9/0x150
[  251.751067][ T7195]  gfs2_sys_fs_add+0x234/0x450
[  251.751099][ T7195]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.751133][ T7195]  ? is_dynamic_key+0xd6/0x1c0
[  251.751161][ T7195]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.751200][ T7195]  gfs2_fill_super+0x13c0/0x20d0
[  251.751245][ T7195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.751272][ T7195]  ? sb_set_blocksize+0x104/0x180
[  251.751298][ T7195]  ? setup_bdev_super+0x4c1/0x5b0
[  251.751326][ T7195]  get_tree_bdev_flags+0x40e/0x4d0
[  251.751350][ T7195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.751372][ T7195]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.751394][ T7195]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  251.751433][ T7195]  gfs2_get_tree+0x51/0x1e0
[  251.751458][ T7195]  vfs_get_tree+0x92/0x2b0
[  251.751485][ T7195]  do_new_mount+0x302/0x9e0
[  251.751508][ T7195]  ? apparmor_capable+0x137/0x1b0
[  251.751541][ T7195]  ? __pfx_do_new_mount+0x10/0x10
[  251.751567][ T7195]  ? ns_capable+0x8a/0xf0
[  251.751588][ T7195]  ? kmem_cache_free+0x19b/0x690
[  251.751623][ T7195]  __se_sys_mount+0x313/0x410
[  251.751655][ T7195]  ? __pfx___se_sys_mount+0x10/0x10
[  251.751685][ T7195]  ? do_syscall_64+0xbe/0xfa0
[  251.751706][ T7195]  ? __x64_sys_mount+0x20/0xc0
[  251.751734][ T7195]  do_syscall_64+0xfa/0xfa0
[  251.751756][ T7195]  ? lockdep_hardirqs_on+0x9c/0x150
[  251.751779][ T7195]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.751798][ T7195]  ? clear_bhb_loop+0x60/0xb0
[  251.751821][ T7195]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.751839][ T7195] RIP: 0033:0x7f49ddf9038a
[  251.751857][ T7195] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.751875][ T7195] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.751896][ T7195] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  251.751912][ T7195] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  251.751927][ T7195] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  251.751940][ T7195] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  251.751954][ T7195] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  251.751987][ T7195]  </TASK>
[  251.752013][ T7195] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.079337][ T7195] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.412864][ T7199] loop1: detected capacity change from 0 to 32768
[  252.426690][ T7199] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.434095][ T7199] CPU: 1 UID: 0 PID: 7199 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) 
[  252.434121][ T7199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  252.434134][ T7199] Call Trace:
[  252.434142][ T7199]  <TASK>
[  252.434152][ T7199]  dump_stack_lvl+0x189/0x250
[  252.434185][ T7199]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.434210][ T7199]  ? __pfx__printk+0x10/0x10
[  252.434245][ T7199]  ? kernfs_path_from_node+0x250/0x290
[  252.434264][ T7199]  ? kernfs_path_from_node+0x2f/0x290
[  252.434288][ T7199]  sysfs_create_dir_ns+0x259/0x280
[  252.434310][ T7199]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.434332][ T7199]  ? do_raw_spin_unlock+0x122/0x240
[  252.434361][ T7199]  kobject_add_internal+0x59f/0xb40
[  252.434395][ T7199]  kobject_init_and_add+0x125/0x190
[  252.434426][ T7199]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.434454][ T7199]  ? __raw_spin_lock_init+0x45/0x100
[  252.434480][ T7199]  ? __init_swait_queue_head+0xa9/0x150
[  252.434507][ T7199]  gfs2_sys_fs_add+0x234/0x450
[  252.434538][ T7199]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.434572][ T7199]  ? is_dynamic_key+0xd6/0x1c0
[  252.434599][ T7199]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.434637][ T7199]  gfs2_fill_super+0x13c0/0x20d0
[  252.434674][ T7199]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.434702][ T7199]  ? sb_set_blocksize+0x104/0x180
[  252.434729][ T7199]  ? setup_bdev_super+0x4c1/0x5b0
[  252.434758][ T7199]  get_tree_bdev_flags+0x40e/0x4d0
[  252.434782][ T7199]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.434805][ T7199]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.434825][ T7199]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  252.434864][ T7199]  gfs2_get_tree+0x51/0x1e0
[  252.434888][ T7199]  vfs_get_tree+0x92/0x2b0
[  252.434912][ T7199]  do_new_mount+0x302/0x9e0
[  252.434935][ T7199]  ? apparmor_capable+0x137/0x1b0
[  252.434968][ T7199]  ? __pfx_do_new_mount+0x10/0x10
[  252.435001][ T7199]  ? ns_capable+0x8a/0xf0
[  252.435021][ T7199]  ? kmem_cache_free+0x19b/0x690
[  252.435057][ T7199]  __se_sys_mount+0x313/0x410
[  252.435090][ T7199]  ? __pfx___se_sys_mount+0x10/0x10
[  252.435122][ T7199]  ? do_syscall_64+0xbe/0xfa0
[  252.435144][ T7199]  ? __x64_sys_mount+0x20/0xc0
[  252.435171][ T7199]  do_syscall_64+0xfa/0xfa0
[  252.435192][ T7199]  ? lockdep_hardirqs_on+0x9c/0x150
[  252.435215][ T7199]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.435234][ T7199]  ? clear_bhb_loop+0x60/0xb0
[  252.435257][ T7199]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.435276][ T7199] RIP: 0033:0x7f49ddf9038a
[  252.435294][ T7199] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.435312][ T7199] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.435335][ T7199] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  252.435349][ T7199] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  252.435362][ T7199] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  252.435374][ T7199] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  252.435387][ T7199] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.435420][ T7199]  </TASK>
[  252.749134][ T7199] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.763326][ T5162] Bluetooth: hci0: command 0x0406 tx timeout
[  252.785827][ T7199] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:08:57 executed programs: 155
[  253.117063][ T7204] loop1: detected capacity change from 0 to 32768
[  253.137916][ T7204] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.145536][ T7204] CPU: 1 UID: 0 PID: 7204 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) 
[  253.145562][ T7204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  253.145574][ T7204] Call Trace:
[  253.145581][ T7204]  <TASK>
[  253.145589][ T7204]  dump_stack_lvl+0x189/0x250
[  253.145622][ T7204]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.145647][ T7204]  ? __pfx__printk+0x10/0x10
[  253.145680][ T7204]  ? kernfs_path_from_node+0x250/0x290
[  253.145698][ T7204]  ? kernfs_path_from_node+0x2f/0x290
[  253.145721][ T7204]  sysfs_create_dir_ns+0x259/0x280
[  253.145745][ T7204]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.145768][ T7204]  ? do_raw_spin_unlock+0x122/0x240
[  253.145798][ T7204]  kobject_add_internal+0x59f/0xb40
[  253.145835][ T7204]  kobject_init_and_add+0x125/0x190
[  253.145866][ T7204]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.145893][ T7204]  ? __raw_spin_lock_init+0x45/0x100
[  253.145917][ T7204]  ? __init_swait_queue_head+0xa9/0x150
[  253.145944][ T7204]  gfs2_sys_fs_add+0x234/0x450
[  253.145973][ T7204]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.146005][ T7204]  ? is_dynamic_key+0xd6/0x1c0
[  253.146030][ T7204]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.146066][ T7204]  gfs2_fill_super+0x13c0/0x20d0
[  253.146104][ T7204]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.146141][ T7204]  ? sb_set_blocksize+0x104/0x180
[  253.146166][ T7204]  ? setup_bdev_super+0x4c1/0x5b0
[  253.146193][ T7204]  get_tree_bdev_flags+0x40e/0x4d0
[  253.146216][ T7204]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.146237][ T7204]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.146259][ T7204]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  253.146297][ T7204]  gfs2_get_tree+0x51/0x1e0
[  253.146321][ T7204]  vfs_get_tree+0x92/0x2b0
[  253.146346][ T7204]  do_new_mount+0x302/0x9e0
[  253.146370][ T7204]  ? apparmor_capable+0x137/0x1b0
[  253.146405][ T7204]  ? __pfx_do_new_mount+0x10/0x10
[  253.146431][ T7204]  ? ns_capable+0x8a/0xf0
[  253.146453][ T7204]  ? kmem_cache_free+0x19b/0x690
[  253.146488][ T7204]  __se_sys_mount+0x313/0x410
[  253.146519][ T7204]  ? __pfx___se_sys_mount+0x10/0x10
[  253.146548][ T7204]  ? do_syscall_64+0xbe/0xfa0
[  253.146569][ T7204]  ? __x64_sys_mount+0x20/0xc0
[  253.146595][ T7204]  do_syscall_64+0xfa/0xfa0
[  253.146616][ T7204]  ? lockdep_hardirqs_on+0x9c/0x150
[  253.146638][ T7204]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.146657][ T7204]  ? clear_bhb_loop+0x60/0xb0
[  253.146681][ T7204]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.146699][ T7204] RIP: 0033:0x7f49ddf9038a
[  253.146718][ T7204] 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
[  253.146736][ T7204] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.146757][ T7204] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  253.146772][ T7204] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  253.146786][ T7204] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  253.146801][ T7204] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  253.146814][ T7204] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  253.146847][ T7204]  </TASK>
[  253.146900][ T7204] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.472527][ T7204] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.796794][ T7208] loop1: detected capacity change from 0 to 32768
[  253.806895][ T7208] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.814388][ T7208] CPU: 0 UID: 0 PID: 7208 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  253.814417][ T7208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  253.814429][ T7208] Call Trace:
[  253.814437][ T7208]  <TASK>
[  253.814445][ T7208]  dump_stack_lvl+0x189/0x250
[  253.814477][ T7208]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.814499][ T7208]  ? __pfx__printk+0x10/0x10
[  253.814531][ T7208]  ? kernfs_path_from_node+0x250/0x290
[  253.814549][ T7208]  ? kernfs_path_from_node+0x2f/0x290
[  253.814571][ T7208]  sysfs_create_dir_ns+0x259/0x280
[  253.814590][ T7208]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.814611][ T7208]  ? do_raw_spin_unlock+0x122/0x240
[  253.814638][ T7208]  kobject_add_internal+0x59f/0xb40
[  253.814671][ T7208]  kobject_init_and_add+0x125/0x190
[  253.814701][ T7208]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.814729][ T7208]  ? __raw_spin_lock_init+0x45/0x100
[  253.814753][ T7208]  ? __init_swait_queue_head+0xa9/0x150
[  253.814788][ T7208]  gfs2_sys_fs_add+0x234/0x450
[  253.814818][ T7208]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.814849][ T7208]  ? is_dynamic_key+0xd6/0x1c0
[  253.814874][ T7208]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.814913][ T7208]  gfs2_fill_super+0x13c0/0x20d0
[  253.814949][ T7208]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.814975][ T7208]  ? sb_set_blocksize+0x104/0x180
[  253.815001][ T7208]  ? setup_bdev_super+0x4c1/0x5b0
[  253.815028][ T7208]  get_tree_bdev_flags+0x40e/0x4d0
[  253.815053][ T7208]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.815075][ T7208]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.815096][ T7208]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  253.815134][ T7208]  gfs2_get_tree+0x51/0x1e0
[  253.815158][ T7208]  vfs_get_tree+0x92/0x2b0
[  253.815183][ T7208]  do_new_mount+0x302/0x9e0
[  253.815206][ T7208]  ? apparmor_capable+0x137/0x1b0
[  253.815236][ T7208]  ? __pfx_do_new_mount+0x10/0x10
[  253.815260][ T7208]  ? ns_capable+0x8a/0xf0
[  253.815281][ T7208]  ? kmem_cache_free+0x19b/0x690
[  253.815320][ T7208]  __se_sys_mount+0x313/0x410
[  253.815347][ T7208]  ? __pfx___se_sys_mount+0x10/0x10
[  253.815374][ T7208]  ? do_syscall_64+0xbe/0xfa0
[  253.815394][ T7208]  ? __x64_sys_mount+0x20/0xc0
[  253.815420][ T7208]  do_syscall_64+0xfa/0xfa0
[  253.815440][ T7208]  ? lockdep_hardirqs_on+0x9c/0x150
[  253.815460][ T7208]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.815480][ T7208]  ? clear_bhb_loop+0x60/0xb0
[  253.815502][ T7208]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.815519][ T7208] RIP: 0033:0x7f49ddf9038a
[  253.815537][ T7208] 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
[  253.815554][ T7208] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.815574][ T7208] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  253.815590][ T7208] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  253.815605][ T7208] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  253.815619][ T7208] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  253.815632][ T7208] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  253.815666][ T7208]  </TASK>
[  254.125642][ T7208] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.146755][ T7208] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.476309][ T7212] loop1: detected capacity change from 0 to 32768
[  254.499993][ T7212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.507510][ T7212] CPU: 1 UID: 0 PID: 7212 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  254.507537][ T7212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  254.507550][ T7212] Call Trace:
[  254.507559][ T7212]  <TASK>
[  254.507568][ T7212]  dump_stack_lvl+0x189/0x250
[  254.507601][ T7212]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.507626][ T7212]  ? __pfx__printk+0x10/0x10
[  254.507668][ T7212]  ? kernfs_path_from_node+0x250/0x290
[  254.507689][ T7212]  ? kernfs_path_from_node+0x2f/0x290
[  254.507714][ T7212]  sysfs_create_dir_ns+0x259/0x280
[  254.507737][ T7212]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.507760][ T7212]  ? do_raw_spin_unlock+0x122/0x240
[  254.507788][ T7212]  kobject_add_internal+0x59f/0xb40
[  254.507826][ T7212]  kobject_init_and_add+0x125/0x190
[  254.507858][ T7212]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.507886][ T7212]  ? __raw_spin_lock_init+0x45/0x100
[  254.507913][ T7212]  ? __init_swait_queue_head+0xa9/0x150
[  254.507939][ T7212]  gfs2_sys_fs_add+0x234/0x450
[  254.507970][ T7212]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.508003][ T7212]  ? is_dynamic_key+0xd6/0x1c0
[  254.508035][ T7212]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.508082][ T7212]  gfs2_fill_super+0x13c0/0x20d0
[  254.508121][ T7212]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.508147][ T7212]  ? sb_set_blocksize+0x104/0x180
[  254.508173][ T7212]  ? setup_bdev_super+0x4c1/0x5b0
[  254.508201][ T7212]  get_tree_bdev_flags+0x40e/0x4d0
[  254.508225][ T7212]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.508247][ T7212]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.508269][ T7212]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  254.508308][ T7212]  gfs2_get_tree+0x51/0x1e0
[  254.508339][ T7212]  vfs_get_tree+0x92/0x2b0
[  254.508365][ T7212]  do_new_mount+0x302/0x9e0
[  254.508389][ T7212]  ? apparmor_capable+0x137/0x1b0
[  254.508422][ T7212]  ? __pfx_do_new_mount+0x10/0x10
[  254.508452][ T7212]  ? ns_capable+0x8a/0xf0
[  254.508473][ T7212]  ? kmem_cache_free+0x19b/0x690
[  254.508509][ T7212]  __se_sys_mount+0x313/0x410
[  254.508541][ T7212]  ? __pfx___se_sys_mount+0x10/0x10
[  254.508572][ T7212]  ? do_syscall_64+0xbe/0xfa0
[  254.508593][ T7212]  ? __x64_sys_mount+0x20/0xc0
[  254.508622][ T7212]  do_syscall_64+0xfa/0xfa0
[  254.508643][ T7212]  ? lockdep_hardirqs_on+0x9c/0x150
[  254.508665][ T7212]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.508686][ T7212]  ? clear_bhb_loop+0x60/0xb0
[  254.508710][ T7212]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.508729][ T7212] RIP: 0033:0x7f49ddf9038a
[  254.508747][ T7212] 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
[  254.508765][ T7212] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.508787][ T7212] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  254.508802][ T7212] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  254.508817][ T7212] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  254.508831][ T7212] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  254.508844][ T7212] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  254.508878][ T7212]  </TASK>
[  254.508906][ T7212] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.835227][ T7212] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.168426][ T7216] loop1: detected capacity change from 0 to 32768
[  255.187671][ T7216] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.195092][ T7216] CPU: 1 UID: 0 PID: 7216 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  255.195118][ T7216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  255.195130][ T7216] Call Trace:
[  255.195139][ T7216]  <TASK>
[  255.195147][ T7216]  dump_stack_lvl+0x189/0x250
[  255.195180][ T7216]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.195206][ T7216]  ? __pfx__printk+0x10/0x10
[  255.195242][ T7216]  ? kernfs_path_from_node+0x250/0x290
[  255.195263][ T7216]  ? kernfs_path_from_node+0x2f/0x290
[  255.195288][ T7216]  sysfs_create_dir_ns+0x259/0x280
[  255.195311][ T7216]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.195334][ T7216]  ? do_raw_spin_unlock+0x122/0x240
[  255.195361][ T7216]  kobject_add_internal+0x59f/0xb40
[  255.195397][ T7216]  kobject_init_and_add+0x125/0x190
[  255.195428][ T7216]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.195455][ T7216]  ? __raw_spin_lock_init+0x45/0x100
[  255.195479][ T7216]  ? __init_swait_queue_head+0xa9/0x150
[  255.195507][ T7216]  gfs2_sys_fs_add+0x234/0x450
[  255.195538][ T7216]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.195572][ T7216]  ? is_dynamic_key+0xd6/0x1c0
[  255.195598][ T7216]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.195645][ T7216]  gfs2_fill_super+0x13c0/0x20d0
[  255.195679][ T7216]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.195705][ T7216]  ? sb_set_blocksize+0x104/0x180
[  255.195730][ T7216]  ? setup_bdev_super+0x4c1/0x5b0
[  255.195758][ T7216]  get_tree_bdev_flags+0x40e/0x4d0
[  255.195781][ T7216]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.195801][ T7216]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.195822][ T7216]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.195860][ T7216]  gfs2_get_tree+0x51/0x1e0
[  255.195887][ T7216]  vfs_get_tree+0x92/0x2b0
[  255.195913][ T7216]  do_new_mount+0x302/0x9e0
[  255.195937][ T7216]  ? apparmor_capable+0x137/0x1b0
[  255.195978][ T7216]  ? __pfx_do_new_mount+0x10/0x10
[  255.196003][ T7216]  ? ns_capable+0x8a/0xf0
[  255.196024][ T7216]  ? kmem_cache_free+0x19b/0x690
[  255.196058][ T7216]  __se_sys_mount+0x313/0x410
[  255.196089][ T7216]  ? __pfx___se_sys_mount+0x10/0x10
[  255.196120][ T7216]  ? do_syscall_64+0xbe/0xfa0
[  255.196141][ T7216]  ? __x64_sys_mount+0x20/0xc0
[  255.196168][ T7216]  do_syscall_64+0xfa/0xfa0
[  255.196190][ T7216]  ? lockdep_hardirqs_on+0x9c/0x150
[  255.196214][ T7216]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.196234][ T7216]  ? clear_bhb_loop+0x60/0xb0
[  255.196258][ T7216]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.196278][ T7216] RIP: 0033:0x7f49ddf9038a
[  255.196297][ T7216] 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
[  255.196314][ T7216] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.196336][ T7216] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  255.196351][ T7216] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  255.196365][ T7216] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  255.196379][ T7216] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.196392][ T7216] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.196425][ T7216]  </TASK>
[  255.508682][ T7216] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.522751][ T7216] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.743834][ T1299] ieee802154 phy0 wpan0: encryption failed: -22
[  255.750266][ T1299] ieee802154 phy1 wpan1: encryption failed: -22
[  255.866536][ T7220] loop1: detected capacity change from 0 to 32768
[  255.886537][ T7220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.894050][ T7220] CPU: 1 UID: 0 PID: 7220 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  255.894076][ T7220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  255.894089][ T7220] Call Trace:
[  255.894097][ T7220]  <TASK>
[  255.894106][ T7220]  dump_stack_lvl+0x189/0x250
[  255.894139][ T7220]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.894164][ T7220]  ? __pfx__printk+0x10/0x10
[  255.894199][ T7220]  ? kernfs_path_from_node+0x250/0x290
[  255.894219][ T7220]  ? kernfs_path_from_node+0x2f/0x290
[  255.894244][ T7220]  sysfs_create_dir_ns+0x259/0x280
[  255.894267][ T7220]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.894289][ T7220]  ? do_raw_spin_unlock+0x122/0x240
[  255.894319][ T7220]  kobject_add_internal+0x59f/0xb40
[  255.894355][ T7220]  kobject_init_and_add+0x125/0x190
[  255.894388][ T7220]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.894416][ T7220]  ? __raw_spin_lock_init+0x45/0x100
[  255.894442][ T7220]  ? __init_swait_queue_head+0xa9/0x150
[  255.894469][ T7220]  gfs2_sys_fs_add+0x234/0x450
[  255.894500][ T7220]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.894535][ T7220]  ? is_dynamic_key+0xd6/0x1c0
[  255.894569][ T7220]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.894609][ T7220]  gfs2_fill_super+0x13c0/0x20d0
[  255.894647][ T7220]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.894674][ T7220]  ? sb_set_blocksize+0x104/0x180
[  255.894700][ T7220]  ? setup_bdev_super+0x4c1/0x5b0
[  255.894728][ T7220]  get_tree_bdev_flags+0x40e/0x4d0
[  255.894752][ T7220]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.894774][ T7220]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.894796][ T7220]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.894840][ T7220]  gfs2_get_tree+0x51/0x1e0
[  255.894865][ T7220]  vfs_get_tree+0x92/0x2b0
[  255.894891][ T7220]  do_new_mount+0x302/0x9e0
[  255.894914][ T7220]  ? apparmor_capable+0x137/0x1b0
[  255.894948][ T7220]  ? __pfx_do_new_mount+0x10/0x10
[  255.894973][ T7220]  ? ns_capable+0x8a/0xf0
[  255.894995][ T7220]  ? kmem_cache_free+0x19b/0x690
[  255.895029][ T7220]  __se_sys_mount+0x313/0x410
[  255.895060][ T7220]  ? __pfx___se_sys_mount+0x10/0x10
[  255.895088][ T7220]  ? do_syscall_64+0xbe/0xfa0
[  255.895109][ T7220]  ? __x64_sys_mount+0x20/0xc0
[  255.895134][ T7220]  do_syscall_64+0xfa/0xfa0
[  255.895155][ T7220]  ? lockdep_hardirqs_on+0x9c/0x150
[  255.895178][ T7220]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.895198][ T7220]  ? clear_bhb_loop+0x60/0xb0
[  255.895221][ T7220]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.895241][ T7220] RIP: 0033:0x7f49ddf9038a
[  255.895259][ T7220] 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
[  255.895278][ T7220] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.895299][ T7220] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  255.895312][ T7220] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  255.895326][ T7220] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  255.895338][ T7220] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.895349][ T7220] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.895381][ T7220]  </TASK>
[  256.206378][ T7220] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.220565][ T7220] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.542961][ T7224] loop1: detected capacity change from 0 to 32768
[  256.551746][ T7224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.559747][ T7224] CPU: 0 UID: 0 PID: 7224 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  256.559773][ T7224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  256.559785][ T7224] Call Trace:
[  256.559794][ T7224]  <TASK>
[  256.559809][ T7224]  dump_stack_lvl+0x189/0x250
[  256.559839][ T7224]  ? __pfx_dump_stack_lvl+0x10/0x10
[  256.559863][ T7224]  ? __pfx__printk+0x10/0x10
[  256.559898][ T7224]  ? kernfs_path_from_node+0x250/0x290
[  256.559917][ T7224]  ? kernfs_path_from_node+0x2f/0x290
[  256.559939][ T7224]  sysfs_create_dir_ns+0x259/0x280
[  256.559961][ T7224]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.559984][ T7224]  ? do_raw_spin_unlock+0x122/0x240
[  256.560015][ T7224]  kobject_add_internal+0x59f/0xb40
[  256.560049][ T7224]  kobject_init_and_add+0x125/0x190
[  256.560080][ T7224]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.560105][ T7224]  ? __raw_spin_lock_init+0x45/0x100
[  256.560128][ T7224]  ? __init_swait_queue_head+0xa9/0x150
[  256.560156][ T7224]  gfs2_sys_fs_add+0x234/0x450
[  256.560184][ T7224]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.560212][ T7224]  ? is_dynamic_key+0xd6/0x1c0
[  256.560238][ T7224]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.560274][ T7224]  gfs2_fill_super+0x13c0/0x20d0
[  256.560312][ T7224]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.560340][ T7224]  ? sb_set_blocksize+0x104/0x180
[  256.560367][ T7224]  ? setup_bdev_super+0x4c1/0x5b0
[  256.560396][ T7224]  get_tree_bdev_flags+0x40e/0x4d0
[  256.560421][ T7224]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.560442][ T7224]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.560459][ T7224]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  256.560509][ T7224]  gfs2_get_tree+0x51/0x1e0
[  256.560531][ T7224]  vfs_get_tree+0x92/0x2b0
[  256.560557][ T7224]  do_new_mount+0x302/0x9e0
[  256.560580][ T7224]  ? apparmor_capable+0x137/0x1b0
[  256.560613][ T7224]  ? __pfx_do_new_mount+0x10/0x10
[  256.560638][ T7224]  ? ns_capable+0x8a/0xf0
[  256.560660][ T7224]  ? kmem_cache_free+0x19b/0x690
[  256.560695][ T7224]  __se_sys_mount+0x313/0x410
[  256.560727][ T7224]  ? __pfx___se_sys_mount+0x10/0x10
[  256.560757][ T7224]  ? do_syscall_64+0xbe/0xfa0
[  256.560778][ T7224]  ? __x64_sys_mount+0x20/0xc0
[  256.560811][ T7224]  do_syscall_64+0xfa/0xfa0
[  256.560833][ T7224]  ? lockdep_hardirqs_on+0x9c/0x150
[  256.560855][ T7224]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.560875][ T7224]  ? clear_bhb_loop+0x60/0xb0
[  256.560899][ T7224]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.560918][ T7224] RIP: 0033:0x7f49ddf9038a
[  256.560934][ T7224] 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
[  256.560951][ T7224] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.560972][ T7224] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  256.560984][ T7224] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  256.560997][ T7224] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  256.561012][ T7224] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  256.561025][ T7224] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  256.561058][ T7224]  </TASK>
[  256.561216][ T7224] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.888862][ T7224] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.224336][ T7228] loop1: detected capacity change from 0 to 32768
[  257.243486][ T7228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.251277][ T7228] CPU: 0 UID: 0 PID: 7228 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  257.251304][ T7228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  257.251318][ T7228] Call Trace:
[  257.251326][ T7228]  <TASK>
[  257.251334][ T7228]  dump_stack_lvl+0x189/0x250
[  257.251368][ T7228]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.251391][ T7228]  ? __pfx__printk+0x10/0x10
[  257.251423][ T7228]  ? kernfs_path_from_node+0x250/0x290
[  257.251443][ T7228]  ? kernfs_path_from_node+0x2f/0x290
[  257.251469][ T7228]  sysfs_create_dir_ns+0x259/0x280
[  257.251493][ T7228]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.251516][ T7228]  ? do_raw_spin_unlock+0x122/0x240
[  257.251546][ T7228]  kobject_add_internal+0x59f/0xb40
[  257.251581][ T7228]  kobject_init_and_add+0x125/0x190
[  257.251614][ T7228]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.251641][ T7228]  ? __raw_spin_lock_init+0x45/0x100
[  257.251674][ T7228]  ? __init_swait_queue_head+0xa9/0x150
[  257.251700][ T7228]  gfs2_sys_fs_add+0x234/0x450
[  257.251729][ T7228]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.251761][ T7228]  ? is_dynamic_key+0xd6/0x1c0
[  257.251788][ T7228]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.251825][ T7228]  gfs2_fill_super+0x13c0/0x20d0
[  257.251863][ T7228]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.251889][ T7228]  ? sb_set_blocksize+0x104/0x180
[  257.251915][ T7228]  ? setup_bdev_super+0x4c1/0x5b0
[  257.251942][ T7228]  get_tree_bdev_flags+0x40e/0x4d0
[  257.251966][ T7228]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.251987][ T7228]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.252007][ T7228]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.252046][ T7228]  gfs2_get_tree+0x51/0x1e0
[  257.252073][ T7228]  vfs_get_tree+0x92/0x2b0
[  257.252100][ T7228]  do_new_mount+0x302/0x9e0
[  257.252123][ T7228]  ? apparmor_capable+0x137/0x1b0
[  257.252157][ T7228]  ? __pfx_do_new_mount+0x10/0x10
[  257.252181][ T7228]  ? ns_capable+0x8a/0xf0
[  257.252202][ T7228]  ? kmem_cache_free+0x19b/0x690
[  257.252237][ T7228]  __se_sys_mount+0x313/0x410
[  257.252268][ T7228]  ? __pfx___se_sys_mount+0x10/0x10
[  257.252296][ T7228]  ? do_syscall_64+0xbe/0xfa0
[  257.252317][ T7228]  ? __x64_sys_mount+0x20/0xc0
[  257.252345][ T7228]  do_syscall_64+0xfa/0xfa0
[  257.252366][ T7228]  ? lockdep_hardirqs_on+0x9c/0x150
[  257.252388][ T7228]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.252407][ T7228]  ? clear_bhb_loop+0x60/0xb0
[  257.252431][ T7228]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.252450][ T7228] RIP: 0033:0x7f49ddf9038a
[  257.252468][ T7228] 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
[  257.252486][ T7228] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.252508][ T7228] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  257.252524][ T7228] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  257.252538][ T7228] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  257.252551][ T7228] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.252564][ T7228] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  257.252596][ T7228]  </TASK>
[  257.252700][ T7228] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.580109][ T7228] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.915992][ T7232] loop1: detected capacity change from 0 to 32768
[  257.928732][ T7232] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.936271][ T7232] CPU: 1 UID: 0 PID: 7232 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  257.936297][ T7232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  257.936310][ T7232] Call Trace:
[  257.936319][ T7232]  <TASK>
[  257.936327][ T7232]  dump_stack_lvl+0x189/0x250
[  257.936360][ T7232]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.936391][ T7232]  ? __pfx__printk+0x10/0x10
[  257.936427][ T7232]  ? kernfs_path_from_node+0x250/0x290
[  257.936447][ T7232]  ? kernfs_path_from_node+0x2f/0x290
[  257.936471][ T7232]  sysfs_create_dir_ns+0x259/0x280
[  257.936494][ T7232]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.936516][ T7232]  ? do_raw_spin_unlock+0x122/0x240
[  257.936545][ T7232]  kobject_add_internal+0x59f/0xb40
[  257.936582][ T7232]  kobject_init_and_add+0x125/0x190
[  257.936614][ T7232]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.936641][ T7232]  ? __raw_spin_lock_init+0x45/0x100
[  257.936667][ T7232]  ? __init_swait_queue_head+0xa9/0x150
[  257.936695][ T7232]  gfs2_sys_fs_add+0x234/0x450
[  257.936726][ T7232]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.936759][ T7232]  ? is_dynamic_key+0xd6/0x1c0
[  257.936786][ T7232]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.936825][ T7232]  gfs2_fill_super+0x13c0/0x20d0
[  257.936864][ T7232]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.936891][ T7232]  ? sb_set_blocksize+0x104/0x180
[  257.936917][ T7232]  ? setup_bdev_super+0x4c1/0x5b0
[  257.936944][ T7232]  get_tree_bdev_flags+0x40e/0x4d0
[  257.936968][ T7232]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.936990][ T7232]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.937011][ T7232]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.937051][ T7232]  gfs2_get_tree+0x51/0x1e0
[  257.937076][ T7232]  vfs_get_tree+0x92/0x2b0
[  257.937102][ T7232]  do_new_mount+0x302/0x9e0
[  257.937125][ T7232]  ? apparmor_capable+0x137/0x1b0
[  257.937159][ T7232]  ? __pfx_do_new_mount+0x10/0x10
[  257.937184][ T7232]  ? ns_capable+0x8a/0xf0
[  257.937205][ T7232]  ? kmem_cache_free+0x19b/0x690
[  257.937241][ T7232]  __se_sys_mount+0x313/0x410
[  257.937273][ T7232]  ? __pfx___se_sys_mount+0x10/0x10
[  257.937303][ T7232]  ? do_syscall_64+0xbe/0xfa0
[  257.937324][ T7232]  ? __x64_sys_mount+0x20/0xc0
[  257.937352][ T7232]  do_syscall_64+0xfa/0xfa0
[  257.937373][ T7232]  ? lockdep_hardirqs_on+0x9c/0x150
[  257.937402][ T7232]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.937422][ T7232]  ? clear_bhb_loop+0x60/0xb0
[  257.937445][ T7232]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.937464][ T7232] RIP: 0033:0x7f49ddf9038a
[  257.937483][ T7232] 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
[  257.937501][ T7232] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.937522][ T7232] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  257.937538][ T7232] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  257.937553][ T7232] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  257.937567][ T7232] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.937580][ T7232] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  257.937613][ T7232]  </TASK>
[  257.937639][ T7232] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.265454][ T7232] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:09:03 executed programs: 163
[  258.599344][ T7236] loop1: detected capacity change from 0 to 32768
[  258.617475][ T7236] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.624996][ T7236] CPU: 0 UID: 0 PID: 7236 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  258.625023][ T7236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  258.625036][ T7236] Call Trace:
[  258.625044][ T7236]  <TASK>
[  258.625053][ T7236]  dump_stack_lvl+0x189/0x250
[  258.625087][ T7236]  ? __pfx_dump_stack_lvl+0x10/0x10
[  258.625113][ T7236]  ? __pfx__printk+0x10/0x10
[  258.625148][ T7236]  ? kernfs_path_from_node+0x250/0x290
[  258.625169][ T7236]  ? kernfs_path_from_node+0x2f/0x290
[  258.625192][ T7236]  sysfs_create_dir_ns+0x259/0x280
[  258.625215][ T7236]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.625236][ T7236]  ? do_raw_spin_unlock+0x122/0x240
[  258.625265][ T7236]  kobject_add_internal+0x59f/0xb40
[  258.625302][ T7236]  kobject_init_and_add+0x125/0x190
[  258.625336][ T7236]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.625368][ T7236]  ? __raw_spin_lock_init+0x45/0x100
[  258.625391][ T7236]  ? __init_swait_queue_head+0xa9/0x150
[  258.625416][ T7236]  gfs2_sys_fs_add+0x234/0x450
[  258.625446][ T7236]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.625480][ T7236]  ? is_dynamic_key+0xd6/0x1c0
[  258.625506][ T7236]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.625545][ T7236]  gfs2_fill_super+0x13c0/0x20d0
[  258.625583][ T7236]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.625610][ T7236]  ? sb_set_blocksize+0x104/0x180
[  258.625636][ T7236]  ? setup_bdev_super+0x4c1/0x5b0
[  258.625664][ T7236]  get_tree_bdev_flags+0x40e/0x4d0
[  258.625687][ T7236]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.625710][ T7236]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.625732][ T7236]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  258.625771][ T7236]  gfs2_get_tree+0x51/0x1e0
[  258.625797][ T7236]  vfs_get_tree+0x92/0x2b0
[  258.625822][ T7236]  do_new_mount+0x302/0x9e0
[  258.625844][ T7236]  ? apparmor_capable+0x137/0x1b0
[  258.625874][ T7236]  ? __pfx_do_new_mount+0x10/0x10
[  258.625898][ T7236]  ? ns_capable+0x8a/0xf0
[  258.625917][ T7236]  ? kmem_cache_free+0x19b/0x690
[  258.625952][ T7236]  __se_sys_mount+0x313/0x410
[  258.625984][ T7236]  ? __pfx___se_sys_mount+0x10/0x10
[  258.626013][ T7236]  ? do_syscall_64+0xbe/0xfa0
[  258.626035][ T7236]  ? __x64_sys_mount+0x20/0xc0
[  258.626063][ T7236]  do_syscall_64+0xfa/0xfa0
[  258.626084][ T7236]  ? lockdep_hardirqs_on+0x9c/0x150
[  258.626107][ T7236]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.626127][ T7236]  ? clear_bhb_loop+0x60/0xb0
[  258.626151][ T7236]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.626170][ T7236] RIP: 0033:0x7f49ddf9038a
[  258.626188][ T7236] 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
[  258.626206][ T7236] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.626227][ T7236] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  258.626243][ T7236] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  258.626258][ T7236] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  258.626271][ T7236] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  258.626285][ T7236] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  258.626318][ T7236]  </TASK>
[  258.936885][ T7236] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.952962][ T7236] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.287903][ T7240] loop1: detected capacity change from 0 to 32768
[  259.305593][ T7240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.313007][ T7240] CPU: 0 UID: 0 PID: 7240 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  259.313034][ T7240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  259.313047][ T7240] Call Trace:
[  259.313054][ T7240]  <TASK>
[  259.313063][ T7240]  dump_stack_lvl+0x189/0x250
[  259.313095][ T7240]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.313121][ T7240]  ? __pfx__printk+0x10/0x10
[  259.313157][ T7240]  ? kernfs_path_from_node+0x250/0x290
[  259.313178][ T7240]  ? kernfs_path_from_node+0x2f/0x290
[  259.313203][ T7240]  sysfs_create_dir_ns+0x259/0x280
[  259.313225][ T7240]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.313246][ T7240]  ? do_raw_spin_unlock+0x122/0x240
[  259.313276][ T7240]  kobject_add_internal+0x59f/0xb40
[  259.313316][ T7240]  kobject_init_and_add+0x125/0x190
[  259.313349][ T7240]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.313384][ T7240]  ? __raw_spin_lock_init+0x45/0x100
[  259.313409][ T7240]  ? __init_swait_queue_head+0xa9/0x150
[  259.313445][ T7240]  gfs2_sys_fs_add+0x234/0x450
[  259.313477][ T7240]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.313513][ T7240]  ? is_dynamic_key+0xd6/0x1c0
[  259.313541][ T7240]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.313585][ T7240]  gfs2_fill_super+0x13c0/0x20d0
[  259.313622][ T7240]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.313649][ T7240]  ? sb_set_blocksize+0x104/0x180
[  259.313675][ T7240]  ? setup_bdev_super+0x4c1/0x5b0
[  259.313702][ T7240]  get_tree_bdev_flags+0x40e/0x4d0
[  259.313725][ T7240]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.313747][ T7240]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.313770][ T7240]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.313810][ T7240]  gfs2_get_tree+0x51/0x1e0
[  259.313836][ T7240]  vfs_get_tree+0x92/0x2b0
[  259.313863][ T7240]  do_new_mount+0x302/0x9e0
[  259.313886][ T7240]  ? apparmor_capable+0x137/0x1b0
[  259.313919][ T7240]  ? __pfx_do_new_mount+0x10/0x10
[  259.313944][ T7240]  ? ns_capable+0x8a/0xf0
[  259.313966][ T7240]  ? kmem_cache_free+0x19b/0x690
[  259.314002][ T7240]  __se_sys_mount+0x313/0x410
[  259.314032][ T7240]  ? __pfx___se_sys_mount+0x10/0x10
[  259.314062][ T7240]  ? do_syscall_64+0xbe/0xfa0
[  259.314084][ T7240]  ? __x64_sys_mount+0x20/0xc0
[  259.314113][ T7240]  do_syscall_64+0xfa/0xfa0
[  259.314135][ T7240]  ? lockdep_hardirqs_on+0x9c/0x150
[  259.314158][ T7240]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.314178][ T7240]  ? clear_bhb_loop+0x60/0xb0
[  259.314201][ T7240]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.314220][ T7240] RIP: 0033:0x7f49ddf9038a
[  259.314239][ T7240] 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
[  259.314256][ T7240] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.314278][ T7240] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  259.314294][ T7240] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  259.314308][ T7240] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  259.314321][ T7240] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.314335][ T7240] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  259.314366][ T7240]  </TASK>
[  259.315306][ T7240] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.639429][ T7240] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.968109][ T7244] loop1: detected capacity change from 0 to 32768
[  259.986172][ T7244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.994908][ T7244] CPU: 1 UID: 0 PID: 7244 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  259.994935][ T7244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  259.994948][ T7244] Call Trace:
[  259.994955][ T7244]  <TASK>
[  259.994964][ T7244]  dump_stack_lvl+0x189/0x250
[  259.994997][ T7244]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.995020][ T7244]  ? __pfx__printk+0x10/0x10
[  259.995051][ T7244]  ? kernfs_path_from_node+0x250/0x290
[  259.995069][ T7244]  ? kernfs_path_from_node+0x2f/0x290
[  259.995092][ T7244]  sysfs_create_dir_ns+0x259/0x280
[  259.995115][ T7244]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.995139][ T7244]  ? do_raw_spin_unlock+0x122/0x240
[  259.995170][ T7244]  kobject_add_internal+0x59f/0xb40
[  259.995215][ T7244]  kobject_init_and_add+0x125/0x190
[  259.995246][ T7244]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.995272][ T7244]  ? __raw_spin_lock_init+0x45/0x100
[  259.995297][ T7244]  ? __init_swait_queue_head+0xa9/0x150
[  259.995326][ T7244]  gfs2_sys_fs_add+0x234/0x450
[  259.995353][ T7244]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.995386][ T7244]  ? is_dynamic_key+0xd6/0x1c0
[  259.995412][ T7244]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.995450][ T7244]  gfs2_fill_super+0x13c0/0x20d0
[  259.995486][ T7244]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.995513][ T7244]  ? sb_set_blocksize+0x104/0x180
[  259.995539][ T7244]  ? setup_bdev_super+0x4c1/0x5b0
[  259.995568][ T7244]  get_tree_bdev_flags+0x40e/0x4d0
[  259.995593][ T7244]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.995615][ T7244]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.995637][ T7244]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.995674][ T7244]  gfs2_get_tree+0x51/0x1e0
[  259.995699][ T7244]  vfs_get_tree+0x92/0x2b0
[  259.995724][ T7244]  do_new_mount+0x302/0x9e0
[  259.995747][ T7244]  ? apparmor_capable+0x137/0x1b0
[  259.995781][ T7244]  ? __pfx_do_new_mount+0x10/0x10
[  259.995805][ T7244]  ? ns_capable+0x8a/0xf0
[  259.995826][ T7244]  ? kmem_cache_free+0x19b/0x690
[  259.995861][ T7244]  __se_sys_mount+0x313/0x410
[  259.995894][ T7244]  ? __pfx___se_sys_mount+0x10/0x10
[  259.995924][ T7244]  ? do_syscall_64+0xbe/0xfa0
[  259.995946][ T7244]  ? __x64_sys_mount+0x20/0xc0
[  259.995974][ T7244]  do_syscall_64+0xfa/0xfa0
[  259.995995][ T7244]  ? lockdep_hardirqs_on+0x9c/0x150
[  259.996016][ T7244]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.996035][ T7244]  ? clear_bhb_loop+0x60/0xb0
[  259.996057][ T7244]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.996075][ T7244] RIP: 0033:0x7f49ddf9038a
[  259.996092][ T7244] 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
[  259.996109][ T7244] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.996130][ T7244] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  259.996146][ T7244] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  259.996160][ T7244] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  259.996174][ T7244] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.996187][ T7244] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  259.996225][ T7244]  </TASK>
[  260.306322][ T7244] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.320509][ T7244] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.656024][ T7248] loop1: detected capacity change from 0 to 32768
[  260.668761][ T7248] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.676706][ T7248] CPU: 0 UID: 0 PID: 7248 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  260.676733][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  260.676746][ T7248] Call Trace:
[  260.676754][ T7248]  <TASK>
[  260.676763][ T7248]  dump_stack_lvl+0x189/0x250
[  260.676797][ T7248]  ? __pfx_dump_stack_lvl+0x10/0x10
[  260.676822][ T7248]  ? __pfx__printk+0x10/0x10
[  260.676857][ T7248]  ? kernfs_path_from_node+0x250/0x290
[  260.676877][ T7248]  ? kernfs_path_from_node+0x2f/0x290
[  260.676902][ T7248]  sysfs_create_dir_ns+0x259/0x280
[  260.676924][ T7248]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  260.676947][ T7248]  ? do_raw_spin_unlock+0x122/0x240
[  260.676977][ T7248]  kobject_add_internal+0x59f/0xb40
[  260.677013][ T7248]  kobject_init_and_add+0x125/0x190
[  260.677045][ T7248]  ? __pfx_kobject_init_and_add+0x10/0x10
[  260.677073][ T7248]  ? __raw_spin_lock_init+0x45/0x100
[  260.677099][ T7248]  ? __init_swait_queue_head+0xa9/0x150
[  260.677126][ T7248]  gfs2_sys_fs_add+0x234/0x450
[  260.677155][ T7248]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  260.677191][ T7248]  ? is_dynamic_key+0xd6/0x1c0
[  260.677217][ T7248]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  260.677252][ T7248]  gfs2_fill_super+0x13c0/0x20d0
[  260.677287][ T7248]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.677310][ T7248]  ? sb_set_blocksize+0x104/0x180
[  260.677335][ T7248]  ? setup_bdev_super+0x4c1/0x5b0
[  260.677361][ T7248]  get_tree_bdev_flags+0x40e/0x4d0
[  260.677383][ T7248]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.677404][ T7248]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  260.677424][ T7248]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  260.677461][ T7248]  gfs2_get_tree+0x51/0x1e0
[  260.677484][ T7248]  vfs_get_tree+0x92/0x2b0
[  260.677508][ T7248]  do_new_mount+0x302/0x9e0
[  260.677531][ T7248]  ? apparmor_capable+0x137/0x1b0
[  260.677564][ T7248]  ? __pfx_do_new_mount+0x10/0x10
[  260.677586][ T7248]  ? ns_capable+0x8a/0xf0
[  260.677606][ T7248]  ? kmem_cache_free+0x19b/0x690
[  260.677641][ T7248]  __se_sys_mount+0x313/0x410
[  260.677674][ T7248]  ? __pfx___se_sys_mount+0x10/0x10
[  260.677704][ T7248]  ? do_syscall_64+0xbe/0xfa0
[  260.677725][ T7248]  ? __x64_sys_mount+0x20/0xc0
[  260.677753][ T7248]  do_syscall_64+0xfa/0xfa0
[  260.677773][ T7248]  ? lockdep_hardirqs_on+0x9c/0x150
[  260.677795][ T7248]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.677814][ T7248]  ? clear_bhb_loop+0x60/0xb0
[  260.677839][ T7248]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.677855][ T7248] RIP: 0033:0x7f49ddf9038a
[  260.677873][ T7248] 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
[  260.677890][ T7248] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.677910][ T7248] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  260.677925][ T7248] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  260.677939][ T7248] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  260.677952][ T7248] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  260.677964][ T7248] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  260.677997][ T7248]  </TASK>
[  260.678031][ T7248] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.008105][ T7248] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.334400][ T7252] loop1: detected capacity change from 0 to 32768
[  261.347940][ T7252] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.355845][ T7252] CPU: 1 UID: 0 PID: 7252 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  261.355871][ T7252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  261.355883][ T7252] Call Trace:
[  261.355891][ T7252]  <TASK>
[  261.355900][ T7252]  dump_stack_lvl+0x189/0x250
[  261.355934][ T7252]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.355959][ T7252]  ? __pfx__printk+0x10/0x10
[  261.355995][ T7252]  ? kernfs_path_from_node+0x250/0x290
[  261.356015][ T7252]  ? kernfs_path_from_node+0x2f/0x290
[  261.356049][ T7252]  sysfs_create_dir_ns+0x259/0x280
[  261.356071][ T7252]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.356093][ T7252]  ? do_raw_spin_unlock+0x122/0x240
[  261.356121][ T7252]  kobject_add_internal+0x59f/0xb40
[  261.356155][ T7252]  kobject_init_and_add+0x125/0x190
[  261.356186][ T7252]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.356214][ T7252]  ? __raw_spin_lock_init+0x45/0x100
[  261.356239][ T7252]  ? __init_swait_queue_head+0xa9/0x150
[  261.356266][ T7252]  gfs2_sys_fs_add+0x234/0x450
[  261.356296][ T7252]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.356329][ T7252]  ? is_dynamic_key+0xd6/0x1c0
[  261.356356][ T7252]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.356395][ T7252]  gfs2_fill_super+0x13c0/0x20d0
[  261.356429][ T7252]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.356455][ T7252]  ? sb_set_blocksize+0x104/0x180
[  261.356481][ T7252]  ? setup_bdev_super+0x4c1/0x5b0
[  261.356508][ T7252]  get_tree_bdev_flags+0x40e/0x4d0
[  261.356531][ T7252]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.356553][ T7252]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.356576][ T7252]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.356615][ T7252]  gfs2_get_tree+0x51/0x1e0
[  261.356641][ T7252]  vfs_get_tree+0x92/0x2b0
[  261.356667][ T7252]  do_new_mount+0x302/0x9e0
[  261.356690][ T7252]  ? apparmor_capable+0x137/0x1b0
[  261.356723][ T7252]  ? __pfx_do_new_mount+0x10/0x10
[  261.356747][ T7252]  ? ns_capable+0x8a/0xf0
[  261.356769][ T7252]  ? kmem_cache_free+0x19b/0x690
[  261.356804][ T7252]  __se_sys_mount+0x313/0x410
[  261.356835][ T7252]  ? __pfx___se_sys_mount+0x10/0x10
[  261.356864][ T7252]  ? do_syscall_64+0xbe/0xfa0
[  261.356885][ T7252]  ? __x64_sys_mount+0x20/0xc0
[  261.356914][ T7252]  do_syscall_64+0xfa/0xfa0
[  261.356937][ T7252]  ? lockdep_hardirqs_on+0x9c/0x150
[  261.356959][ T7252]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.356980][ T7252]  ? clear_bhb_loop+0x60/0xb0
[  261.357004][ T7252]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.357031][ T7252] RIP: 0033:0x7f49ddf9038a
[  261.357049][ T7252] 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
[  261.357066][ T7252] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.357088][ T7252] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  261.357102][ T7252] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  261.357116][ T7252] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  261.357129][ T7252] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.357142][ T7252] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  261.357175][ T7252]  </TASK>
[  261.357201][ T7252] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.684732][ T7252] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.016319][ T7256] loop1: detected capacity change from 0 to 32768
[  262.035869][ T7256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.043971][ T7256] CPU: 0 UID: 0 PID: 7256 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  262.043997][ T7256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  262.044010][ T7256] Call Trace:
[  262.044018][ T7256]  <TASK>
[  262.044027][ T7256]  dump_stack_lvl+0x189/0x250
[  262.044059][ T7256]  ? __pfx_dump_stack_lvl+0x10/0x10
[  262.044083][ T7256]  ? __pfx__printk+0x10/0x10
[  262.044117][ T7256]  ? kernfs_path_from_node+0x250/0x290
[  262.044137][ T7256]  ? kernfs_path_from_node+0x2f/0x290
[  262.044161][ T7256]  sysfs_create_dir_ns+0x259/0x280
[  262.044184][ T7256]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.044205][ T7256]  ? do_raw_spin_unlock+0x122/0x240
[  262.044234][ T7256]  kobject_add_internal+0x59f/0xb40
[  262.044269][ T7256]  kobject_init_and_add+0x125/0x190
[  262.044300][ T7256]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.044327][ T7256]  ? __raw_spin_lock_init+0x45/0x100
[  262.044353][ T7256]  ? __init_swait_queue_head+0xa9/0x150
[  262.044379][ T7256]  gfs2_sys_fs_add+0x234/0x450
[  262.044409][ T7256]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.044443][ T7256]  ? is_dynamic_key+0xd6/0x1c0
[  262.044470][ T7256]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.044508][ T7256]  gfs2_fill_super+0x13c0/0x20d0
[  262.044545][ T7256]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.044570][ T7256]  ? sb_set_blocksize+0x104/0x180
[  262.044594][ T7256]  ? setup_bdev_super+0x4c1/0x5b0
[  262.044622][ T7256]  get_tree_bdev_flags+0x40e/0x4d0
[  262.044648][ T7256]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.044671][ T7256]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.044693][ T7256]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  262.044732][ T7256]  gfs2_get_tree+0x51/0x1e0
[  262.044757][ T7256]  vfs_get_tree+0x92/0x2b0
[  262.044782][ T7256]  do_new_mount+0x302/0x9e0
[  262.044805][ T7256]  ? apparmor_capable+0x137/0x1b0
[  262.044838][ T7256]  ? __pfx_do_new_mount+0x10/0x10
[  262.044863][ T7256]  ? ns_capable+0x8a/0xf0
[  262.044885][ T7256]  ? kmem_cache_free+0x19b/0x690
[  262.044919][ T7256]  __se_sys_mount+0x313/0x410
[  262.044959][ T7256]  ? __pfx___se_sys_mount+0x10/0x10
[  262.044990][ T7256]  ? do_syscall_64+0xbe/0xfa0
[  262.045012][ T7256]  ? __x64_sys_mount+0x20/0xc0
[  262.045041][ T7256]  do_syscall_64+0xfa/0xfa0
[  262.045063][ T7256]  ? lockdep_hardirqs_on+0x9c/0x150
[  262.045085][ T7256]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.045104][ T7256]  ? clear_bhb_loop+0x60/0xb0
[  262.045128][ T7256]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.045147][ T7256] RIP: 0033:0x7f49ddf9038a
[  262.045165][ T7256] 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
[  262.045183][ T7256] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.045204][ T7256] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  262.045220][ T7256] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  262.045235][ T7256] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  262.045248][ T7256] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  262.045261][ T7256] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  262.045294][ T7256]  </TASK>
[  262.357481][ T7256] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.371529][ T7256] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.712947][ T7260] loop1: detected capacity change from 0 to 32768
[  262.736731][ T7260] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.744146][ T7260] CPU: 1 UID: 0 PID: 7260 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  262.744171][ T7260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  262.744184][ T7260] Call Trace:
[  262.744192][ T7260]  <TASK>
[  262.744200][ T7260]  dump_stack_lvl+0x189/0x250
[  262.744233][ T7260]  ? __pfx_dump_stack_lvl+0x10/0x10
[  262.744257][ T7260]  ? __pfx__printk+0x10/0x10
[  262.744292][ T7260]  ? kernfs_path_from_node+0x250/0x290
[  262.744311][ T7260]  ? kernfs_path_from_node+0x2f/0x290
[  262.744335][ T7260]  sysfs_create_dir_ns+0x259/0x280
[  262.744358][ T7260]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.744380][ T7260]  ? do_raw_spin_unlock+0x122/0x240
[  262.744409][ T7260]  kobject_add_internal+0x59f/0xb40
[  262.744445][ T7260]  kobject_init_and_add+0x125/0x190
[  262.744477][ T7260]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.744503][ T7260]  ? __raw_spin_lock_init+0x45/0x100
[  262.744528][ T7260]  ? __init_swait_queue_head+0xa9/0x150
[  262.744556][ T7260]  gfs2_sys_fs_add+0x234/0x450
[  262.744588][ T7260]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.744624][ T7260]  ? is_dynamic_key+0xd6/0x1c0
[  262.744652][ T7260]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.744690][ T7260]  gfs2_fill_super+0x13c0/0x20d0
[  262.744727][ T7260]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.744753][ T7260]  ? sb_set_blocksize+0x104/0x180
[  262.744778][ T7260]  ? setup_bdev_super+0x4c1/0x5b0
[  262.744804][ T7260]  get_tree_bdev_flags+0x40e/0x4d0
[  262.744829][ T7260]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.744850][ T7260]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.744871][ T7260]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  262.744925][ T7260]  gfs2_get_tree+0x51/0x1e0
[  262.744950][ T7260]  vfs_get_tree+0x92/0x2b0
[  262.744976][ T7260]  do_new_mount+0x302/0x9e0
[  262.745000][ T7260]  ? apparmor_capable+0x137/0x1b0
[  262.745032][ T7260]  ? __pfx_do_new_mount+0x10/0x10
[  262.745056][ T7260]  ? ns_capable+0x8a/0xf0
[  262.745078][ T7260]  ? kmem_cache_free+0x19b/0x690
[  262.745115][ T7260]  __se_sys_mount+0x313/0x410
[  262.745148][ T7260]  ? __pfx___se_sys_mount+0x10/0x10
[  262.745177][ T7260]  ? do_syscall_64+0xbe/0xfa0
[  262.745199][ T7260]  ? __x64_sys_mount+0x20/0xc0
[  262.745226][ T7260]  do_syscall_64+0xfa/0xfa0
[  262.745247][ T7260]  ? lockdep_hardirqs_on+0x9c/0x150
[  262.745269][ T7260]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.745289][ T7260]  ? clear_bhb_loop+0x60/0xb0
[  262.745313][ T7260]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.745333][ T7260] RIP: 0033:0x7f49ddf9038a
[  262.745350][ T7260] 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
[  262.745368][ T7260] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.745389][ T7260] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  262.745405][ T7260] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  262.745419][ T7260] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  262.745432][ T7260] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  262.745445][ T7260] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  262.745475][ T7260]  </TASK>
[  263.066071][ T7260] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.080550][ T7260] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.414630][ T7264] loop1: detected capacity change from 0 to 32768
[  263.443908][ T7264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.451840][ T7264] CPU: 0 UID: 0 PID: 7264 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  263.451867][ T7264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  263.451879][ T7264] Call Trace:
[  263.451887][ T7264]  <TASK>
[  263.451895][ T7264]  dump_stack_lvl+0x189/0x250
[  263.451928][ T7264]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.451953][ T7264]  ? __pfx__printk+0x10/0x10
[  263.451988][ T7264]  ? kernfs_path_from_node+0x250/0x290
[  263.452008][ T7264]  ? kernfs_path_from_node+0x2f/0x290
[  263.452032][ T7264]  sysfs_create_dir_ns+0x259/0x280
[  263.452055][ T7264]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.452078][ T7264]  ? do_raw_spin_unlock+0x122/0x240
[  263.452107][ T7264]  kobject_add_internal+0x59f/0xb40
[  263.452150][ T7264]  kobject_init_and_add+0x125/0x190
[  263.452183][ T7264]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.452211][ T7264]  ? __raw_spin_lock_init+0x45/0x100
[  263.452237][ T7264]  ? __init_swait_queue_head+0xa9/0x150
[  263.452264][ T7264]  gfs2_sys_fs_add+0x234/0x450
[  263.452295][ T7264]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.452330][ T7264]  ? is_dynamic_key+0xd6/0x1c0
[  263.452357][ T7264]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.452396][ T7264]  gfs2_fill_super+0x13c0/0x20d0
[  263.452434][ T7264]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.452461][ T7264]  ? sb_set_blocksize+0x104/0x180
[  263.452486][ T7264]  ? setup_bdev_super+0x4c1/0x5b0
[  263.452513][ T7264]  get_tree_bdev_flags+0x40e/0x4d0
[  263.452537][ T7264]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.452559][ T7264]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.452581][ T7264]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.452620][ T7264]  gfs2_get_tree+0x51/0x1e0
[  263.452645][ T7264]  vfs_get_tree+0x92/0x2b0
[  263.452671][ T7264]  do_new_mount+0x302/0x9e0
[  263.452694][ T7264]  ? apparmor_capable+0x137/0x1b0
[  263.452727][ T7264]  ? __pfx_do_new_mount+0x10/0x10
[  263.452752][ T7264]  ? ns_capable+0x8a/0xf0
[  263.452774][ T7264]  ? kmem_cache_free+0x19b/0x690
[  263.452809][ T7264]  __se_sys_mount+0x313/0x410
[  263.452841][ T7264]  ? __pfx___se_sys_mount+0x10/0x10
[  263.452870][ T7264]  ? do_syscall_64+0xbe/0xfa0
[  263.452892][ T7264]  ? __x64_sys_mount+0x20/0xc0
[  263.452919][ T7264]  do_syscall_64+0xfa/0xfa0
[  263.452941][ T7264]  ? lockdep_hardirqs_on+0x9c/0x150
[  263.452964][ T7264]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.452983][ T7264]  ? clear_bhb_loop+0x60/0xb0
[  263.453007][ T7264]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.453027][ T7264] RIP: 0033:0x7f49ddf9038a
[  263.453046][ T7264] 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
[  263.453064][ T7264] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.453086][ T7264] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  263.453101][ T7264] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  263.453116][ T7264] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  263.453129][ T7264] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  263.453148][ T7264] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  263.453181][ T7264]  </TASK>
[  263.453204][ T7264] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.781183][ T7264] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:09:08 executed programs: 171
[  264.109952][ T7268] loop1: detected capacity change from 0 to 32768
[  264.121926][ T7268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.130038][ T7268] CPU: 0 UID: 0 PID: 7268 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  264.130063][ T7268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  264.130075][ T7268] Call Trace:
[  264.130083][ T7268]  <TASK>
[  264.130091][ T7268]  dump_stack_lvl+0x189/0x250
[  264.130123][ T7268]  ? __pfx_dump_stack_lvl+0x10/0x10
[  264.130149][ T7268]  ? __pfx__printk+0x10/0x10
[  264.130186][ T7268]  ? kernfs_path_from_node+0x250/0x290
[  264.130206][ T7268]  ? kernfs_path_from_node+0x2f/0x290
[  264.130231][ T7268]  sysfs_create_dir_ns+0x259/0x280
[  264.130252][ T7268]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.130274][ T7268]  ? do_raw_spin_unlock+0x122/0x240
[  264.130303][ T7268]  kobject_add_internal+0x59f/0xb40
[  264.130337][ T7268]  kobject_init_and_add+0x125/0x190
[  264.130368][ T7268]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.130394][ T7268]  ? __raw_spin_lock_init+0x45/0x100
[  264.130419][ T7268]  ? __init_swait_queue_head+0xa9/0x150
[  264.130446][ T7268]  gfs2_sys_fs_add+0x234/0x450
[  264.130476][ T7268]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.130510][ T7268]  ? is_dynamic_key+0xd6/0x1c0
[  264.130536][ T7268]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.130574][ T7268]  gfs2_fill_super+0x13c0/0x20d0
[  264.130612][ T7268]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.130638][ T7268]  ? sb_set_blocksize+0x104/0x180
[  264.130663][ T7268]  ? setup_bdev_super+0x4c1/0x5b0
[  264.130690][ T7268]  get_tree_bdev_flags+0x40e/0x4d0
[  264.130715][ T7268]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.130738][ T7268]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.130760][ T7268]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.130800][ T7268]  gfs2_get_tree+0x51/0x1e0
[  264.130833][ T7268]  vfs_get_tree+0x92/0x2b0
[  264.130859][ T7268]  do_new_mount+0x302/0x9e0
[  264.130881][ T7268]  ? apparmor_capable+0x137/0x1b0
[  264.130913][ T7268]  ? __pfx_do_new_mount+0x10/0x10
[  264.130937][ T7268]  ? ns_capable+0x8a/0xf0
[  264.130958][ T7268]  ? kmem_cache_free+0x19b/0x690
[  264.130992][ T7268]  __se_sys_mount+0x313/0x410
[  264.131022][ T7268]  ? __pfx___se_sys_mount+0x10/0x10
[  264.131049][ T7268]  ? do_syscall_64+0xbe/0xfa0
[  264.131069][ T7268]  ? __x64_sys_mount+0x20/0xc0
[  264.131094][ T7268]  do_syscall_64+0xfa/0xfa0
[  264.131115][ T7268]  ? lockdep_hardirqs_on+0x9c/0x150
[  264.131137][ T7268]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.131156][ T7268]  ? clear_bhb_loop+0x60/0xb0
[  264.131179][ T7268]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.131198][ T7268] RIP: 0033:0x7f49ddf9038a
[  264.131217][ T7268] 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
[  264.131236][ T7268] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.131257][ T7268] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  264.131270][ T7268] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  264.131285][ T7268] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  264.131298][ T7268] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  264.131311][ T7268] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  264.131345][ T7268]  </TASK>
[  264.131373][ T7268] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.458260][ T7268] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.790375][ T7272] loop1: detected capacity change from 0 to 32768
[  264.813268][ T7272] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.820914][ T7272] CPU: 1 UID: 0 PID: 7272 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  264.820940][ T7272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  264.820953][ T7272] Call Trace:
[  264.820960][ T7272]  <TASK>
[  264.820969][ T7272]  dump_stack_lvl+0x189/0x250
[  264.821009][ T7272]  ? __pfx_dump_stack_lvl+0x10/0x10
[  264.821032][ T7272]  ? __pfx__printk+0x10/0x10
[  264.821065][ T7272]  ? kernfs_path_from_node+0x250/0x290
[  264.821084][ T7272]  ? kernfs_path_from_node+0x2f/0x290
[  264.821107][ T7272]  sysfs_create_dir_ns+0x259/0x280
[  264.821130][ T7272]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.821152][ T7272]  ? do_raw_spin_unlock+0x122/0x240
[  264.821179][ T7272]  kobject_add_internal+0x59f/0xb40
[  264.821214][ T7272]  kobject_init_and_add+0x125/0x190
[  264.821248][ T7272]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.821277][ T7272]  ? __raw_spin_lock_init+0x45/0x100
[  264.821303][ T7272]  ? __init_swait_queue_head+0xa9/0x150
[  264.821346][ T7272]  gfs2_sys_fs_add+0x234/0x450
[  264.821376][ T7272]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.821409][ T7272]  ? is_dynamic_key+0xd6/0x1c0
[  264.821434][ T7272]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.821470][ T7272]  gfs2_fill_super+0x13c0/0x20d0
[  264.821505][ T7272]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.821530][ T7272]  ? sb_set_blocksize+0x104/0x180
[  264.821554][ T7272]  ? setup_bdev_super+0x4c1/0x5b0
[  264.821581][ T7272]  get_tree_bdev_flags+0x40e/0x4d0
[  264.821605][ T7272]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.821626][ T7272]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.821647][ T7272]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.821686][ T7272]  gfs2_get_tree+0x51/0x1e0
[  264.821711][ T7272]  vfs_get_tree+0x92/0x2b0
[  264.821734][ T7272]  do_new_mount+0x302/0x9e0
[  264.821758][ T7272]  ? apparmor_capable+0x137/0x1b0
[  264.821790][ T7272]  ? __pfx_do_new_mount+0x10/0x10
[  264.821814][ T7272]  ? ns_capable+0x8a/0xf0
[  264.821836][ T7272]  ? kmem_cache_free+0x19b/0x690
[  264.821872][ T7272]  __se_sys_mount+0x313/0x410
[  264.821910][ T7272]  ? __pfx___se_sys_mount+0x10/0x10
[  264.821940][ T7272]  ? do_syscall_64+0xbe/0xfa0
[  264.821962][ T7272]  ? __x64_sys_mount+0x20/0xc0
[  264.821997][ T7272]  do_syscall_64+0xfa/0xfa0
[  264.822018][ T7272]  ? lockdep_hardirqs_on+0x9c/0x150
[  264.822039][ T7272]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.822058][ T7272]  ? clear_bhb_loop+0x60/0xb0
[  264.822081][ T7272]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.822099][ T7272] RIP: 0033:0x7f49ddf9038a
[  264.822117][ T7272] 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
[  264.822135][ T7272] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.822156][ T7272] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  264.822172][ T7272] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  264.822186][ T7272] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  264.822199][ T7272] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  264.822213][ T7272] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  264.822244][ T7272]  </TASK>
[  264.822349][ T7272] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.151951][ T7272] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.483853][ T7276] loop1: detected capacity change from 0 to 32768
[  265.505189][ T7276] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.512983][ T7276] CPU: 1 UID: 0 PID: 7276 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  265.513008][ T7276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  265.513021][ T7276] Call Trace:
[  265.513028][ T7276]  <TASK>
[  265.513036][ T7276]  dump_stack_lvl+0x189/0x250
[  265.513066][ T7276]  ? __pfx_dump_stack_lvl+0x10/0x10
[  265.513089][ T7276]  ? __pfx__printk+0x10/0x10
[  265.513123][ T7276]  ? kernfs_path_from_node+0x250/0x290
[  265.513143][ T7276]  ? kernfs_path_from_node+0x2f/0x290
[  265.513164][ T7276]  sysfs_create_dir_ns+0x259/0x280
[  265.513185][ T7276]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.513206][ T7276]  ? do_raw_spin_unlock+0x122/0x240
[  265.513234][ T7276]  kobject_add_internal+0x59f/0xb40
[  265.513272][ T7276]  kobject_init_and_add+0x125/0x190
[  265.513305][ T7276]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.513333][ T7276]  ? __raw_spin_lock_init+0x45/0x100
[  265.513357][ T7276]  ? __init_swait_queue_head+0xa9/0x150
[  265.513383][ T7276]  gfs2_sys_fs_add+0x234/0x450
[  265.513413][ T7276]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.513443][ T7276]  ? is_dynamic_key+0xd6/0x1c0
[  265.513468][ T7276]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.513503][ T7276]  gfs2_fill_super+0x13c0/0x20d0
[  265.513537][ T7276]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.513562][ T7276]  ? sb_set_blocksize+0x104/0x180
[  265.513588][ T7276]  ? setup_bdev_super+0x4c1/0x5b0
[  265.513614][ T7276]  get_tree_bdev_flags+0x40e/0x4d0
[  265.513637][ T7276]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.513659][ T7276]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.513689][ T7276]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  265.513727][ T7276]  gfs2_get_tree+0x51/0x1e0
[  265.513752][ T7276]  vfs_get_tree+0x92/0x2b0
[  265.513778][ T7276]  do_new_mount+0x302/0x9e0
[  265.513799][ T7276]  ? apparmor_capable+0x137/0x1b0
[  265.513831][ T7276]  ? __pfx_do_new_mount+0x10/0x10
[  265.513856][ T7276]  ? ns_capable+0x8a/0xf0
[  265.513879][ T7276]  ? kmem_cache_free+0x19b/0x690
[  265.513917][ T7276]  __se_sys_mount+0x313/0x410
[  265.513947][ T7276]  ? __pfx___se_sys_mount+0x10/0x10
[  265.513976][ T7276]  ? do_syscall_64+0xbe/0xfa0
[  265.513997][ T7276]  ? __x64_sys_mount+0x20/0xc0
[  265.514024][ T7276]  do_syscall_64+0xfa/0xfa0
[  265.514046][ T7276]  ? lockdep_hardirqs_on+0x9c/0x150
[  265.514068][ T7276]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.514086][ T7276]  ? clear_bhb_loop+0x60/0xb0
[  265.514108][ T7276]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.514126][ T7276] RIP: 0033:0x7f49ddf9038a
[  265.514145][ T7276] 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
[  265.514163][ T7276] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.514184][ T7276] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  265.514199][ T7276] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  265.514214][ T7276] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  265.514228][ T7276] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  265.514241][ T7276] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  265.514273][ T7276]  </TASK>
[  265.514308][ T7276] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.841325][ T7276] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.303114][ T7280] loop1: detected capacity change from 0 to 32768
[  266.335628][ T7280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.345916][ T7280] CPU: 0 UID: 0 PID: 7280 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  266.345943][ T7280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  266.345956][ T7280] Call Trace:
[  266.345964][ T7280]  <TASK>
[  266.345973][ T7280]  dump_stack_lvl+0x189/0x250
[  266.346005][ T7280]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.346030][ T7280]  ? __pfx__printk+0x10/0x10
[  266.346066][ T7280]  ? kernfs_path_from_node+0x250/0x290
[  266.346087][ T7280]  ? kernfs_path_from_node+0x2f/0x290
[  266.346112][ T7280]  sysfs_create_dir_ns+0x259/0x280
[  266.346136][ T7280]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.346163][ T7280]  ? do_raw_spin_unlock+0x122/0x240
[  266.346192][ T7280]  kobject_add_internal+0x59f/0xb40
[  266.346229][ T7280]  kobject_init_and_add+0x125/0x190
[  266.346263][ T7280]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.346292][ T7280]  ? __raw_spin_lock_init+0x45/0x100
[  266.346318][ T7280]  ? __init_swait_queue_head+0xa9/0x150
[  266.346346][ T7280]  gfs2_sys_fs_add+0x234/0x450
[  266.346378][ T7280]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.346412][ T7280]  ? is_dynamic_key+0xd6/0x1c0
[  266.346441][ T7280]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.346481][ T7280]  gfs2_fill_super+0x13c0/0x20d0
[  266.346521][ T7280]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.346547][ T7280]  ? sb_set_blocksize+0x104/0x180
[  266.346573][ T7280]  ? setup_bdev_super+0x4c1/0x5b0
[  266.346599][ T7280]  get_tree_bdev_flags+0x40e/0x4d0
[  266.346623][ T7280]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.346646][ T7280]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.346669][ T7280]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.346709][ T7280]  gfs2_get_tree+0x51/0x1e0
[  266.346735][ T7280]  vfs_get_tree+0x92/0x2b0
[  266.346760][ T7280]  do_new_mount+0x302/0x9e0
[  266.346784][ T7280]  ? apparmor_capable+0x137/0x1b0
[  266.346818][ T7280]  ? __pfx_do_new_mount+0x10/0x10
[  266.346844][ T7280]  ? ns_capable+0x8a/0xf0
[  266.346873][ T7280]  ? kmem_cache_free+0x19b/0x690
[  266.346910][ T7280]  __se_sys_mount+0x313/0x410
[  266.346942][ T7280]  ? __pfx___se_sys_mount+0x10/0x10
[  266.346972][ T7280]  ? do_syscall_64+0xbe/0xfa0
[  266.346994][ T7280]  ? __x64_sys_mount+0x20/0xc0
[  266.347023][ T7280]  do_syscall_64+0xfa/0xfa0
[  266.347046][ T7280]  ? lockdep_hardirqs_on+0x9c/0x150
[  266.347069][ T7280]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.347089][ T7280]  ? clear_bhb_loop+0x60/0xb0
[  266.347113][ T7280]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.347131][ T7280] RIP: 0033:0x7f49ddf9038a
[  266.347147][ T7280] 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
[  266.347165][ T7280] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.347187][ T7280] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  266.347203][ T7280] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  266.347219][ T7280] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  266.347233][ T7280] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  266.347247][ T7280] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  266.347282][ T7280]  </TASK>
[  266.347307][ T7280] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.676826][ T7280] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.011407][ T7284] loop1: detected capacity change from 0 to 32768
[  267.026220][ T7284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.033667][ T7284] CPU: 0 UID: 0 PID: 7284 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  267.033694][ T7284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  267.033706][ T7284] Call Trace:
[  267.033714][ T7284]  <TASK>
[  267.033729][ T7284]  dump_stack_lvl+0x189/0x250
[  267.033763][ T7284]  ? __pfx_dump_stack_lvl+0x10/0x10
[  267.033786][ T7284]  ? __pfx__printk+0x10/0x10
[  267.033819][ T7284]  ? kernfs_path_from_node+0x250/0x290
[  267.033839][ T7284]  ? kernfs_path_from_node+0x2f/0x290
[  267.033864][ T7284]  sysfs_create_dir_ns+0x259/0x280
[  267.033889][ T7284]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.033912][ T7284]  ? do_raw_spin_unlock+0x122/0x240
[  267.033942][ T7284]  kobject_add_internal+0x59f/0xb40
[  267.033977][ T7284]  kobject_init_and_add+0x125/0x190
[  267.034008][ T7284]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.034034][ T7284]  ? __raw_spin_lock_init+0x45/0x100
[  267.034060][ T7284]  ? __init_swait_queue_head+0xa9/0x150
[  267.034085][ T7284]  gfs2_sys_fs_add+0x234/0x450
[  267.034115][ T7284]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.034149][ T7284]  ? is_dynamic_key+0xd6/0x1c0
[  267.034176][ T7284]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.034214][ T7284]  gfs2_fill_super+0x13c0/0x20d0
[  267.034251][ T7284]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.034278][ T7284]  ? sb_set_blocksize+0x104/0x180
[  267.034303][ T7284]  ? setup_bdev_super+0x4c1/0x5b0
[  267.034331][ T7284]  get_tree_bdev_flags+0x40e/0x4d0
[  267.034354][ T7284]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.034375][ T7284]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.034396][ T7284]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  267.034432][ T7284]  gfs2_get_tree+0x51/0x1e0
[  267.034454][ T7284]  vfs_get_tree+0x92/0x2b0
[  267.034476][ T7284]  do_new_mount+0x302/0x9e0
[  267.034499][ T7284]  ? apparmor_capable+0x137/0x1b0
[  267.034535][ T7284]  ? __pfx_do_new_mount+0x10/0x10
[  267.034561][ T7284]  ? ns_capable+0x8a/0xf0
[  267.034583][ T7284]  ? kmem_cache_free+0x19b/0x690
[  267.034619][ T7284]  __se_sys_mount+0x313/0x410
[  267.034649][ T7284]  ? __pfx___se_sys_mount+0x10/0x10
[  267.034677][ T7284]  ? do_syscall_64+0xbe/0xfa0
[  267.034698][ T7284]  ? __x64_sys_mount+0x20/0xc0
[  267.034733][ T7284]  do_syscall_64+0xfa/0xfa0
[  267.034754][ T7284]  ? lockdep_hardirqs_on+0x9c/0x150
[  267.034776][ T7284]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.034795][ T7284]  ? clear_bhb_loop+0x60/0xb0
[  267.034819][ T7284]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.034837][ T7284] RIP: 0033:0x7f49ddf9038a
[  267.034856][ T7284] 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
[  267.034874][ T7284] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.034895][ T7284] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  267.034911][ T7284] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  267.034925][ T7284] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  267.034938][ T7284] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  267.034951][ T7284] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  267.034984][ T7284]  </TASK>
[  267.035012][ T7284] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.362593][ T7284] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.691090][ T7288] loop1: detected capacity change from 0 to 32768
[  267.705943][ T7288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.713781][ T7288] CPU: 0 UID: 0 PID: 7288 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  267.713807][ T7288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  267.713819][ T7288] Call Trace:
[  267.713827][ T7288]  <TASK>
[  267.713835][ T7288]  dump_stack_lvl+0x189/0x250
[  267.713867][ T7288]  ? __pfx_dump_stack_lvl+0x10/0x10
[  267.713892][ T7288]  ? __pfx__printk+0x10/0x10
[  267.713929][ T7288]  ? kernfs_path_from_node+0x250/0x290
[  267.713949][ T7288]  ? kernfs_path_from_node+0x2f/0x290
[  267.713973][ T7288]  sysfs_create_dir_ns+0x259/0x280
[  267.713997][ T7288]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.714018][ T7288]  ? do_raw_spin_unlock+0x122/0x240
[  267.714046][ T7288]  kobject_add_internal+0x59f/0xb40
[  267.714081][ T7288]  kobject_init_and_add+0x125/0x190
[  267.714113][ T7288]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.714141][ T7288]  ? __raw_spin_lock_init+0x45/0x100
[  267.714167][ T7288]  ? __init_swait_queue_head+0xa9/0x150
[  267.714193][ T7288]  gfs2_sys_fs_add+0x234/0x450
[  267.714224][ T7288]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.714260][ T7288]  ? is_dynamic_key+0xd6/0x1c0
[  267.714288][ T7288]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.714328][ T7288]  gfs2_fill_super+0x13c0/0x20d0
[  267.714365][ T7288]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.714401][ T7288]  ? sb_set_blocksize+0x104/0x180
[  267.714426][ T7288]  ? setup_bdev_super+0x4c1/0x5b0
[  267.714452][ T7288]  get_tree_bdev_flags+0x40e/0x4d0
[  267.714475][ T7288]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.714494][ T7288]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.714514][ T7288]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  267.714551][ T7288]  gfs2_get_tree+0x51/0x1e0
[  267.714576][ T7288]  vfs_get_tree+0x92/0x2b0
[  267.714601][ T7288]  do_new_mount+0x302/0x9e0
[  267.714624][ T7288]  ? apparmor_capable+0x137/0x1b0
[  267.714656][ T7288]  ? __pfx_do_new_mount+0x10/0x10
[  267.714680][ T7288]  ? ns_capable+0x8a/0xf0
[  267.714702][ T7288]  ? kmem_cache_free+0x19b/0x690
[  267.714738][ T7288]  __se_sys_mount+0x313/0x410
[  267.714769][ T7288]  ? __pfx___se_sys_mount+0x10/0x10
[  267.714798][ T7288]  ? do_syscall_64+0xbe/0xfa0
[  267.714819][ T7288]  ? __x64_sys_mount+0x20/0xc0
[  267.714848][ T7288]  do_syscall_64+0xfa/0xfa0
[  267.714870][ T7288]  ? lockdep_hardirqs_on+0x9c/0x150
[  267.714893][ T7288]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.714913][ T7288]  ? clear_bhb_loop+0x60/0xb0
[  267.714938][ T7288]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.714955][ T7288] RIP: 0033:0x7f49ddf9038a
[  267.714973][ T7288] 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
[  267.714991][ T7288] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.715012][ T7288] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  267.715027][ T7288] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  267.715041][ T7288] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  267.715054][ T7288] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  267.715066][ T7288] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  267.715098][ T7288]  </TASK>
[  267.715151][ T7288] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.043434][ T7288] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.374872][ T7292] loop1: detected capacity change from 0 to 32768
[  268.396855][ T7292] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.404361][ T7292] CPU: 1 UID: 0 PID: 7292 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  268.404387][ T7292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  268.404400][ T7292] Call Trace:
[  268.404408][ T7292]  <TASK>
[  268.404417][ T7292]  dump_stack_lvl+0x189/0x250
[  268.404449][ T7292]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.404473][ T7292]  ? __pfx__printk+0x10/0x10
[  268.404508][ T7292]  ? kernfs_path_from_node+0x250/0x290
[  268.404528][ T7292]  ? kernfs_path_from_node+0x2f/0x290
[  268.404552][ T7292]  sysfs_create_dir_ns+0x259/0x280
[  268.404582][ T7292]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.404605][ T7292]  ? do_raw_spin_unlock+0x122/0x240
[  268.404634][ T7292]  kobject_add_internal+0x59f/0xb40
[  268.404670][ T7292]  kobject_init_and_add+0x125/0x190
[  268.404701][ T7292]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.404729][ T7292]  ? __raw_spin_lock_init+0x45/0x100
[  268.404757][ T7292]  ? __init_swait_queue_head+0xa9/0x150
[  268.404786][ T7292]  gfs2_sys_fs_add+0x234/0x450
[  268.404818][ T7292]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.404852][ T7292]  ? is_dynamic_key+0xd6/0x1c0
[  268.404878][ T7292]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.404917][ T7292]  gfs2_fill_super+0x13c0/0x20d0
[  268.404955][ T7292]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.404980][ T7292]  ? sb_set_blocksize+0x104/0x180
[  268.405005][ T7292]  ? setup_bdev_super+0x4c1/0x5b0
[  268.405032][ T7292]  get_tree_bdev_flags+0x40e/0x4d0
[  268.405056][ T7292]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.405077][ T7292]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.405099][ T7292]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.405137][ T7292]  gfs2_get_tree+0x51/0x1e0
[  268.405162][ T7292]  vfs_get_tree+0x92/0x2b0
[  268.405188][ T7292]  do_new_mount+0x302/0x9e0
[  268.405212][ T7292]  ? apparmor_capable+0x137/0x1b0
[  268.405244][ T7292]  ? __pfx_do_new_mount+0x10/0x10
[  268.405270][ T7292]  ? ns_capable+0x8a/0xf0
[  268.405292][ T7292]  ? kmem_cache_free+0x19b/0x690
[  268.405331][ T7292]  __se_sys_mount+0x313/0x410
[  268.405358][ T7292]  ? __pfx___se_sys_mount+0x10/0x10
[  268.405388][ T7292]  ? do_syscall_64+0xbe/0xfa0
[  268.405411][ T7292]  ? __x64_sys_mount+0x20/0xc0
[  268.405439][ T7292]  do_syscall_64+0xfa/0xfa0
[  268.405460][ T7292]  ? lockdep_hardirqs_on+0x9c/0x150
[  268.405482][ T7292]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.405501][ T7292]  ? clear_bhb_loop+0x60/0xb0
[  268.405524][ T7292]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.405543][ T7292] RIP: 0033:0x7f49ddf9038a
[  268.405561][ T7292] 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
[  268.405587][ T7292] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.405608][ T7292] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  268.405624][ T7292] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  268.405638][ T7292] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  268.405652][ T7292] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.405665][ T7292] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  268.405697][ T7292]  </TASK>
[  268.720993][ T7292] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.735271][ T7292] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.074553][ T7296] loop1: detected capacity change from 0 to 32768
[  269.098259][ T7296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.106334][ T7296] CPU: 0 UID: 0 PID: 7296 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  269.106361][ T7296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  269.106374][ T7296] Call Trace:
[  269.106382][ T7296]  <TASK>
[  269.106392][ T7296]  dump_stack_lvl+0x189/0x250
[  269.106425][ T7296]  ? __pfx_dump_stack_lvl+0x10/0x10
[  269.106450][ T7296]  ? __pfx__printk+0x10/0x10
[  269.106485][ T7296]  ? kernfs_path_from_node+0x250/0x290
[  269.106505][ T7296]  ? kernfs_path_from_node+0x2f/0x290
[  269.106538][ T7296]  sysfs_create_dir_ns+0x259/0x280
[  269.106561][ T7296]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.106584][ T7296]  ? do_raw_spin_unlock+0x122/0x240
[  269.106613][ T7296]  kobject_add_internal+0x59f/0xb40
[  269.106645][ T7296]  kobject_init_and_add+0x125/0x190
[  269.106676][ T7296]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.106703][ T7296]  ? __raw_spin_lock_init+0x45/0x100
[  269.106729][ T7296]  ? __init_swait_queue_head+0xa9/0x150
[  269.106757][ T7296]  gfs2_sys_fs_add+0x234/0x450
[  269.106787][ T7296]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.106820][ T7296]  ? is_dynamic_key+0xd6/0x1c0
[  269.106848][ T7296]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.106887][ T7296]  gfs2_fill_super+0x13c0/0x20d0
[  269.106926][ T7296]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.106952][ T7296]  ? sb_set_blocksize+0x104/0x180
[  269.106975][ T7296]  ? setup_bdev_super+0x4c1/0x5b0
[  269.106998][ T7296]  get_tree_bdev_flags+0x40e/0x4d0
[  269.107019][ T7296]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.107038][ T7296]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.107059][ T7296]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  269.107097][ T7296]  gfs2_get_tree+0x51/0x1e0
[  269.107118][ T7296]  vfs_get_tree+0x92/0x2b0
[  269.107140][ T7296]  do_new_mount+0x302/0x9e0
[  269.107161][ T7296]  ? apparmor_capable+0x137/0x1b0
[  269.107193][ T7296]  ? __pfx_do_new_mount+0x10/0x10
[  269.107220][ T7296]  ? ns_capable+0x8a/0xf0
[  269.107243][ T7296]  ? kmem_cache_free+0x19b/0x690
[  269.107277][ T7296]  __se_sys_mount+0x313/0x410
[  269.107307][ T7296]  ? __pfx___se_sys_mount+0x10/0x10
[  269.107333][ T7296]  ? do_syscall_64+0xbe/0xfa0
[  269.107353][ T7296]  ? __x64_sys_mount+0x20/0xc0
[  269.107379][ T7296]  do_syscall_64+0xfa/0xfa0
[  269.107399][ T7296]  ? lockdep_hardirqs_on+0x9c/0x150
[  269.107419][ T7296]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.107435][ T7296]  ? clear_bhb_loop+0x60/0xb0
[  269.107457][ T7296]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.107475][ T7296] RIP: 0033:0x7f49ddf9038a
[  269.107492][ T7296] 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
[  269.107508][ T7296] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.107536][ T7296] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  269.107550][ T7296] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  269.107565][ T7296] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  269.107578][ T7296] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  269.107591][ T7296] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  269.107621][ T7296]  </TASK>
[  269.107647][ T7296] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.434575][ T7296] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:09:14 executed programs: 179
[  269.757455][ T7300] loop1: detected capacity change from 0 to 32768
[  269.771460][ T7300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.779964][ T7300] CPU: 1 UID: 0 PID: 7300 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  269.779990][ T7300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  269.780004][ T7300] Call Trace:
[  269.780012][ T7300]  <TASK>
[  269.780021][ T7300]  dump_stack_lvl+0x189/0x250
[  269.780054][ T7300]  ? __pfx_dump_stack_lvl+0x10/0x10
[  269.780077][ T7300]  ? __pfx__printk+0x10/0x10
[  269.780112][ T7300]  ? kernfs_path_from_node+0x250/0x290
[  269.780131][ T7300]  ? kernfs_path_from_node+0x2f/0x290
[  269.780155][ T7300]  sysfs_create_dir_ns+0x259/0x280
[  269.780178][ T7300]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.780200][ T7300]  ? do_raw_spin_unlock+0x122/0x240
[  269.780236][ T7300]  kobject_add_internal+0x59f/0xb40
[  269.780272][ T7300]  kobject_init_and_add+0x125/0x190
[  269.780306][ T7300]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.780335][ T7300]  ? __raw_spin_lock_init+0x45/0x100
[  269.780361][ T7300]  ? __init_swait_queue_head+0xa9/0x150
[  269.780389][ T7300]  gfs2_sys_fs_add+0x234/0x450
[  269.780419][ T7300]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.780453][ T7300]  ? is_dynamic_key+0xd6/0x1c0
[  269.780478][ T7300]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.780515][ T7300]  gfs2_fill_super+0x13c0/0x20d0
[  269.780550][ T7300]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.780575][ T7300]  ? sb_set_blocksize+0x104/0x180
[  269.780599][ T7300]  ? setup_bdev_super+0x4c1/0x5b0
[  269.780626][ T7300]  get_tree_bdev_flags+0x40e/0x4d0
[  269.780649][ T7300]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.780670][ T7300]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.780692][ T7300]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  269.780730][ T7300]  gfs2_get_tree+0x51/0x1e0
[  269.780755][ T7300]  vfs_get_tree+0x92/0x2b0
[  269.780780][ T7300]  do_new_mount+0x302/0x9e0
[  269.780804][ T7300]  ? apparmor_capable+0x137/0x1b0
[  269.780835][ T7300]  ? __pfx_do_new_mount+0x10/0x10
[  269.780859][ T7300]  ? ns_capable+0x8a/0xf0
[  269.780881][ T7300]  ? kmem_cache_free+0x19b/0x690
[  269.780918][ T7300]  __se_sys_mount+0x313/0x410
[  269.780951][ T7300]  ? __pfx___se_sys_mount+0x10/0x10
[  269.780981][ T7300]  ? do_syscall_64+0xbe/0xfa0
[  269.781002][ T7300]  ? __x64_sys_mount+0x20/0xc0
[  269.781030][ T7300]  do_syscall_64+0xfa/0xfa0
[  269.781051][ T7300]  ? lockdep_hardirqs_on+0x9c/0x150
[  269.781072][ T7300]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.781092][ T7300]  ? clear_bhb_loop+0x60/0xb0
[  269.781115][ T7300]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.781133][ T7300] RIP: 0033:0x7f49ddf9038a
[  269.781151][ T7300] 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
[  269.781168][ T7300] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.781190][ T7300] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  269.781205][ T7300] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  269.781229][ T7300] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  269.781242][ T7300] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  269.781256][ T7300] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  269.781287][ T7300]  </TASK>
[  269.781320][ T7300] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.108537][ T7300] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.432896][ T7304] loop1: detected capacity change from 0 to 32768
[  270.460737][ T7304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.468217][ T7304] CPU: 1 UID: 0 PID: 7304 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  270.468244][ T7304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  270.468256][ T7304] Call Trace:
[  270.468264][ T7304]  <TASK>
[  270.468273][ T7304]  dump_stack_lvl+0x189/0x250
[  270.468305][ T7304]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.468329][ T7304]  ? __pfx__printk+0x10/0x10
[  270.468363][ T7304]  ? kernfs_path_from_node+0x250/0x290
[  270.468382][ T7304]  ? kernfs_path_from_node+0x2f/0x290
[  270.468405][ T7304]  sysfs_create_dir_ns+0x259/0x280
[  270.468429][ T7304]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.468451][ T7304]  ? do_raw_spin_unlock+0x122/0x240
[  270.468479][ T7304]  kobject_add_internal+0x59f/0xb40
[  270.468513][ T7304]  kobject_init_and_add+0x125/0x190
[  270.468545][ T7304]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.468573][ T7304]  ? __raw_spin_lock_init+0x45/0x100
[  270.468599][ T7304]  ? __init_swait_queue_head+0xa9/0x150
[  270.468627][ T7304]  gfs2_sys_fs_add+0x234/0x450
[  270.468658][ T7304]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.468693][ T7304]  ? is_dynamic_key+0xd6/0x1c0
[  270.468720][ T7304]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.468760][ T7304]  gfs2_fill_super+0x13c0/0x20d0
[  270.468799][ T7304]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.468825][ T7304]  ? sb_set_blocksize+0x104/0x180
[  270.468851][ T7304]  ? setup_bdev_super+0x4c1/0x5b0
[  270.468880][ T7304]  get_tree_bdev_flags+0x40e/0x4d0
[  270.468904][ T7304]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.468926][ T7304]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.468948][ T7304]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.468987][ T7304]  gfs2_get_tree+0x51/0x1e0
[  270.469012][ T7304]  vfs_get_tree+0x92/0x2b0
[  270.469038][ T7304]  do_new_mount+0x302/0x9e0
[  270.469061][ T7304]  ? apparmor_capable+0x137/0x1b0
[  270.469095][ T7304]  ? __pfx_do_new_mount+0x10/0x10
[  270.469120][ T7304]  ? ns_capable+0x8a/0xf0
[  270.469149][ T7304]  ? kmem_cache_free+0x19b/0x690
[  270.469185][ T7304]  __se_sys_mount+0x313/0x410
[  270.469217][ T7304]  ? __pfx___se_sys_mount+0x10/0x10
[  270.469246][ T7304]  ? do_syscall_64+0xbe/0xfa0
[  270.469268][ T7304]  ? __x64_sys_mount+0x20/0xc0
[  270.469296][ T7304]  do_syscall_64+0xfa/0xfa0
[  270.469317][ T7304]  ? lockdep_hardirqs_on+0x9c/0x150
[  270.469340][ T7304]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.469360][ T7304]  ? clear_bhb_loop+0x60/0xb0
[  270.469384][ T7304]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.469403][ T7304] RIP: 0033:0x7f49ddf9038a
[  270.469421][ T7304] 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
[  270.469440][ T7304] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.469462][ T7304] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  270.469478][ T7304] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  270.469494][ T7304] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  270.469508][ T7304] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  270.469521][ T7304] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  270.469554][ T7304]  </TASK>
[  270.469580][ T7304] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.796790][ T7304] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.126086][ T7308] loop1: detected capacity change from 0 to 32768
[  271.139531][ T7308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.154573][ T7308] CPU: 1 UID: 0 PID: 7308 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  271.154599][ T7308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  271.154611][ T7308] Call Trace:
[  271.154619][ T7308]  <TASK>
[  271.154628][ T7308]  dump_stack_lvl+0x189/0x250
[  271.154665][ T7308]  ? __pfx_dump_stack_lvl+0x10/0x10
[  271.154689][ T7308]  ? __pfx__printk+0x10/0x10
[  271.154724][ T7308]  ? kernfs_path_from_node+0x250/0x290
[  271.154744][ T7308]  ? kernfs_path_from_node+0x2f/0x290
[  271.154766][ T7308]  sysfs_create_dir_ns+0x259/0x280
[  271.154787][ T7308]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.154809][ T7308]  ? do_raw_spin_unlock+0x122/0x240
[  271.154838][ T7308]  kobject_add_internal+0x59f/0xb40
[  271.154876][ T7308]  kobject_init_and_add+0x125/0x190
[  271.154909][ T7308]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.154937][ T7308]  ? __raw_spin_lock_init+0x45/0x100
[  271.154962][ T7308]  ? __init_swait_queue_head+0xa9/0x150
[  271.154988][ T7308]  gfs2_sys_fs_add+0x234/0x450
[  271.155019][ T7308]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.155050][ T7308]  ? is_dynamic_key+0xd6/0x1c0
[  271.155076][ T7308]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.155111][ T7308]  gfs2_fill_super+0x13c0/0x20d0
[  271.155147][ T7308]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.155172][ T7308]  ? sb_set_blocksize+0x104/0x180
[  271.155197][ T7308]  ? setup_bdev_super+0x4c1/0x5b0
[  271.155223][ T7308]  get_tree_bdev_flags+0x40e/0x4d0
[  271.155247][ T7308]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.155268][ T7308]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.155290][ T7308]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.155337][ T7308]  gfs2_get_tree+0x51/0x1e0
[  271.155360][ T7308]  vfs_get_tree+0x92/0x2b0
[  271.155383][ T7308]  do_new_mount+0x302/0x9e0
[  271.155406][ T7308]  ? apparmor_capable+0x137/0x1b0
[  271.155439][ T7308]  ? __pfx_do_new_mount+0x10/0x10
[  271.155462][ T7308]  ? ns_capable+0x8a/0xf0
[  271.155483][ T7308]  ? kmem_cache_free+0x19b/0x690
[  271.155520][ T7308]  __se_sys_mount+0x313/0x410
[  271.155552][ T7308]  ? __pfx___se_sys_mount+0x10/0x10
[  271.155582][ T7308]  ? do_syscall_64+0xbe/0xfa0
[  271.155603][ T7308]  ? __x64_sys_mount+0x20/0xc0
[  271.155630][ T7308]  do_syscall_64+0xfa/0xfa0
[  271.155651][ T7308]  ? lockdep_hardirqs_on+0x9c/0x150
[  271.155674][ T7308]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.155693][ T7308]  ? clear_bhb_loop+0x60/0xb0
[  271.155715][ T7308]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.155733][ T7308] RIP: 0033:0x7f49ddf9038a
[  271.155751][ T7308] 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
[  271.155769][ T7308] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.155791][ T7308] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  271.155807][ T7308] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  271.155823][ T7308] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  271.155837][ T7308] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  271.155851][ T7308] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  271.155885][ T7308]  </TASK>
[  271.467655][ T7308] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.483068][ T7308] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.798792][ T7312] loop1: detected capacity change from 0 to 32768
[  271.832099][ T7312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.841447][ T7312] CPU: 0 UID: 0 PID: 7312 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  271.841473][ T7312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  271.841485][ T7312] Call Trace:
[  271.841494][ T7312]  <TASK>
[  271.841503][ T7312]  dump_stack_lvl+0x189/0x250
[  271.841537][ T7312]  ? __pfx_dump_stack_lvl+0x10/0x10
[  271.841562][ T7312]  ? __pfx__printk+0x10/0x10
[  271.841598][ T7312]  ? kernfs_path_from_node+0x250/0x290
[  271.841618][ T7312]  ? kernfs_path_from_node+0x2f/0x290
[  271.841643][ T7312]  sysfs_create_dir_ns+0x259/0x280
[  271.841664][ T7312]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.841684][ T7312]  ? do_raw_spin_unlock+0x122/0x240
[  271.841709][ T7312]  kobject_add_internal+0x59f/0xb40
[  271.841744][ T7312]  kobject_init_and_add+0x125/0x190
[  271.841777][ T7312]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.841806][ T7312]  ? __raw_spin_lock_init+0x45/0x100
[  271.841833][ T7312]  ? __init_swait_queue_head+0xa9/0x150
[  271.841862][ T7312]  gfs2_sys_fs_add+0x234/0x450
[  271.841894][ T7312]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.841927][ T7312]  ? is_dynamic_key+0xd6/0x1c0
[  271.841954][ T7312]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.841992][ T7312]  gfs2_fill_super+0x13c0/0x20d0
[  271.842041][ T7312]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.842068][ T7312]  ? sb_set_blocksize+0x104/0x180
[  271.842094][ T7312]  ? setup_bdev_super+0x4c1/0x5b0
[  271.842121][ T7312]  get_tree_bdev_flags+0x40e/0x4d0
[  271.842144][ T7312]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.842166][ T7312]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.842187][ T7312]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.842228][ T7312]  gfs2_get_tree+0x51/0x1e0
[  271.842254][ T7312]  vfs_get_tree+0x92/0x2b0
[  271.842280][ T7312]  do_new_mount+0x302/0x9e0
[  271.842303][ T7312]  ? apparmor_capable+0x137/0x1b0
[  271.842337][ T7312]  ? __pfx_do_new_mount+0x10/0x10
[  271.842362][ T7312]  ? ns_capable+0x8a/0xf0
[  271.842383][ T7312]  ? kmem_cache_free+0x19b/0x690
[  271.842418][ T7312]  __se_sys_mount+0x313/0x410
[  271.842451][ T7312]  ? __pfx___se_sys_mount+0x10/0x10
[  271.842482][ T7312]  ? do_syscall_64+0xbe/0xfa0
[  271.842503][ T7312]  ? __x64_sys_mount+0x20/0xc0
[  271.842532][ T7312]  do_syscall_64+0xfa/0xfa0
[  271.842553][ T7312]  ? lockdep_hardirqs_on+0x9c/0x150
[  271.842574][ T7312]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.842592][ T7312]  ? clear_bhb_loop+0x60/0xb0
[  271.842616][ T7312]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.842636][ T7312] RIP: 0033:0x7f49ddf9038a
[  271.842655][ T7312] 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
[  271.842674][ T7312] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.842696][ T7312] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  271.842712][ T7312] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  271.842727][ T7312] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  271.842740][ T7312] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  271.842752][ T7312] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  271.842782][ T7312]  </TASK>
[  271.842808][ T7312] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.170808][ T7312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.514201][ T7316] loop1: detected capacity change from 0 to 32768
[  272.528420][ T7316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.542217][ T7316] CPU: 1 UID: 0 PID: 7316 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  272.542245][ T7316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  272.542258][ T7316] Call Trace:
[  272.542267][ T7316]  <TASK>
[  272.542277][ T7316]  dump_stack_lvl+0x189/0x250
[  272.542310][ T7316]  ? __pfx_dump_stack_lvl+0x10/0x10
[  272.542334][ T7316]  ? __pfx__printk+0x10/0x10
[  272.542368][ T7316]  ? kernfs_path_from_node+0x250/0x290
[  272.542387][ T7316]  ? kernfs_path_from_node+0x2f/0x290
[  272.542411][ T7316]  sysfs_create_dir_ns+0x259/0x280
[  272.542433][ T7316]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.542455][ T7316]  ? do_raw_spin_unlock+0x122/0x240
[  272.542482][ T7316]  kobject_add_internal+0x59f/0xb40
[  272.542519][ T7316]  kobject_init_and_add+0x125/0x190
[  272.542551][ T7316]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.542578][ T7316]  ? __raw_spin_lock_init+0x45/0x100
[  272.542603][ T7316]  ? __init_swait_queue_head+0xa9/0x150
[  272.542630][ T7316]  gfs2_sys_fs_add+0x234/0x450
[  272.542661][ T7316]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.542695][ T7316]  ? is_dynamic_key+0xd6/0x1c0
[  272.542722][ T7316]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.542759][ T7316]  gfs2_fill_super+0x13c0/0x20d0
[  272.542798][ T7316]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.542825][ T7316]  ? sb_set_blocksize+0x104/0x180
[  272.542852][ T7316]  ? setup_bdev_super+0x4c1/0x5b0
[  272.542880][ T7316]  get_tree_bdev_flags+0x40e/0x4d0
[  272.542904][ T7316]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.542923][ T7316]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.542945][ T7316]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.542981][ T7316]  gfs2_get_tree+0x51/0x1e0
[  272.543007][ T7316]  vfs_get_tree+0x92/0x2b0
[  272.543031][ T7316]  do_new_mount+0x302/0x9e0
[  272.543054][ T7316]  ? apparmor_capable+0x137/0x1b0
[  272.543087][ T7316]  ? __pfx_do_new_mount+0x10/0x10
[  272.543112][ T7316]  ? ns_capable+0x8a/0xf0
[  272.543133][ T7316]  ? kmem_cache_free+0x19b/0x690
[  272.543173][ T7316]  __se_sys_mount+0x313/0x410
[  272.543200][ T7316]  ? __pfx___se_sys_mount+0x10/0x10
[  272.543229][ T7316]  ? do_syscall_64+0xbe/0xfa0
[  272.543252][ T7316]  ? __x64_sys_mount+0x20/0xc0
[  272.543278][ T7316]  do_syscall_64+0xfa/0xfa0
[  272.543300][ T7316]  ? lockdep_hardirqs_on+0x9c/0x150
[  272.543323][ T7316]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.543343][ T7316]  ? clear_bhb_loop+0x60/0xb0
[  272.543366][ T7316]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.543384][ T7316] RIP: 0033:0x7f49ddf9038a
[  272.543402][ T7316] 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
[  272.543419][ T7316] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.543441][ T7316] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  272.543457][ T7316] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  272.543473][ T7316] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  272.543487][ T7316] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  272.543502][ T7316] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  272.543536][ T7316]  </TASK>
[  272.543564][ T7316] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.870938][ T7316] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.176545][   T52] Bluetooth: hci1: command 0x0406 tx timeout
[  273.213306][ T7320] loop1: detected capacity change from 0 to 32768
[  273.255026][ T7320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.262829][ T7320] CPU: 1 UID: 0 PID: 7320 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  273.262856][ T7320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  273.262869][ T7320] Call Trace:
[  273.262877][ T7320]  <TASK>
[  273.262886][ T7320]  dump_stack_lvl+0x189/0x250
[  273.262919][ T7320]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.262948][ T7320]  ? __pfx__printk+0x10/0x10
[  273.262988][ T7320]  ? kernfs_path_from_node+0x250/0x290
[  273.263008][ T7320]  ? kernfs_path_from_node+0x2f/0x290
[  273.263038][ T7320]  sysfs_create_dir_ns+0x259/0x280
[  273.263061][ T7320]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.263083][ T7320]  ? do_raw_spin_unlock+0x122/0x240
[  273.263116][ T7320]  kobject_add_internal+0x59f/0xb40
[  273.263153][ T7320]  kobject_init_and_add+0x125/0x190
[  273.263186][ T7320]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.263215][ T7320]  ? __raw_spin_lock_init+0x45/0x100
[  273.263241][ T7320]  ? __init_swait_queue_head+0xa9/0x150
[  273.263270][ T7320]  gfs2_sys_fs_add+0x234/0x450
[  273.263301][ T7320]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.263334][ T7320]  ? is_dynamic_key+0xd6/0x1c0
[  273.263360][ T7320]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.263398][ T7320]  gfs2_fill_super+0x13c0/0x20d0
[  273.263437][ T7320]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.263465][ T7320]  ? sb_set_blocksize+0x104/0x180
[  273.263492][ T7320]  ? setup_bdev_super+0x4c1/0x5b0
[  273.263520][ T7320]  get_tree_bdev_flags+0x40e/0x4d0
[  273.263544][ T7320]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.263566][ T7320]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.263587][ T7320]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.263626][ T7320]  gfs2_get_tree+0x51/0x1e0
[  273.263652][ T7320]  vfs_get_tree+0x92/0x2b0
[  273.263679][ T7320]  do_new_mount+0x302/0x9e0
[  273.263703][ T7320]  ? apparmor_capable+0x137/0x1b0
[  273.263736][ T7320]  ? __pfx_do_new_mount+0x10/0x10
[  273.263762][ T7320]  ? ns_capable+0x8a/0xf0
[  273.263784][ T7320]  ? kmem_cache_free+0x19b/0x690
[  273.263827][ T7320]  __se_sys_mount+0x313/0x410
[  273.263859][ T7320]  ? __pfx___se_sys_mount+0x10/0x10
[  273.263890][ T7320]  ? do_syscall_64+0xbe/0xfa0
[  273.263913][ T7320]  ? __x64_sys_mount+0x20/0xc0
[  273.263942][ T7320]  do_syscall_64+0xfa/0xfa0
[  273.263964][ T7320]  ? lockdep_hardirqs_on+0x9c/0x150
[  273.263987][ T7320]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.264007][ T7320]  ? clear_bhb_loop+0x60/0xb0
[  273.264031][ T7320]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.264050][ T7320] RIP: 0033:0x7f49ddf9038a
[  273.264068][ T7320] 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
[  273.264088][ T7320] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.264110][ T7320] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  273.264126][ T7320] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  273.264141][ T7320] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  273.264156][ T7320] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.264169][ T7320] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  273.264203][ T7320]  </TASK>
[  273.264313][ T7320] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.592116][ T7320] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.921037][ T7324] loop1: detected capacity change from 0 to 32768
[  273.944598][ T7324] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.953227][ T7324] CPU: 0 UID: 0 PID: 7324 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  273.953252][ T7324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  273.953265][ T7324] Call Trace:
[  273.953273][ T7324]  <TASK>
[  273.953281][ T7324]  dump_stack_lvl+0x189/0x250
[  273.953311][ T7324]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.953333][ T7324]  ? __pfx__printk+0x10/0x10
[  273.953364][ T7324]  ? kernfs_path_from_node+0x250/0x290
[  273.953382][ T7324]  ? kernfs_path_from_node+0x2f/0x290
[  273.953407][ T7324]  sysfs_create_dir_ns+0x259/0x280
[  273.953429][ T7324]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.953448][ T7324]  ? do_raw_spin_unlock+0x122/0x240
[  273.953474][ T7324]  kobject_add_internal+0x59f/0xb40
[  273.953508][ T7324]  kobject_init_and_add+0x125/0x190
[  273.953541][ T7324]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.953570][ T7324]  ? __raw_spin_lock_init+0x45/0x100
[  273.953595][ T7324]  ? __init_swait_queue_head+0xa9/0x150
[  273.953622][ T7324]  gfs2_sys_fs_add+0x234/0x450
[  273.953651][ T7324]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.953683][ T7324]  ? is_dynamic_key+0xd6/0x1c0
[  273.953708][ T7324]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.953742][ T7324]  gfs2_fill_super+0x13c0/0x20d0
[  273.953788][ T7324]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.953812][ T7324]  ? sb_set_blocksize+0x104/0x180
[  273.953828][ T7324]  ? setup_bdev_super+0x4c1/0x5b0
[  273.953843][ T7324]  get_tree_bdev_flags+0x40e/0x4d0
[  273.953855][ T7324]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.953867][ T7324]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.953878][ T7324]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.953899][ T7324]  gfs2_get_tree+0x51/0x1e0
[  273.953913][ T7324]  vfs_get_tree+0x92/0x2b0
[  273.953926][ T7324]  do_new_mount+0x302/0x9e0
[  273.953939][ T7324]  ? apparmor_capable+0x137/0x1b0
[  273.953957][ T7324]  ? __pfx_do_new_mount+0x10/0x10
[  273.953970][ T7324]  ? ns_capable+0x8a/0xf0
[  273.953982][ T7324]  ? kmem_cache_free+0x19b/0x690
[  273.954003][ T7324]  __se_sys_mount+0x313/0x410
[  273.954021][ T7324]  ? __pfx___se_sys_mount+0x10/0x10
[  273.954037][ T7324]  ? do_syscall_64+0xbe/0xfa0
[  273.954048][ T7324]  ? __x64_sys_mount+0x20/0xc0
[  273.954063][ T7324]  do_syscall_64+0xfa/0xfa0
[  273.954074][ T7324]  ? lockdep_hardirqs_on+0x9c/0x150
[  273.954086][ T7324]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.954096][ T7324]  ? clear_bhb_loop+0x60/0xb0
[  273.954109][ T7324]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.954119][ T7324] RIP: 0033:0x7f49ddf9038a
[  273.954131][ T7324] 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
[  273.954141][ T7324] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.954154][ T7324] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  273.954161][ T7324] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  273.954169][ T7324] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  273.954176][ T7324] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.954183][ T7324] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  273.954200][ T7324]  </TASK>
[  273.954328][ T7324] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.281290][ T7324] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.610723][ T7328] loop1: detected capacity change from 0 to 32768
[  274.636196][ T7328] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.643611][ T7328] CPU: 0 UID: 0 PID: 7328 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  274.643637][ T7328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  274.643648][ T7328] Call Trace:
[  274.643655][ T7328]  <TASK>
[  274.643662][ T7328]  dump_stack_lvl+0x189/0x250
[  274.643701][ T7328]  ? __pfx_dump_stack_lvl+0x10/0x10
[  274.643725][ T7328]  ? __pfx__printk+0x10/0x10
[  274.643759][ T7328]  ? kernfs_path_from_node+0x250/0x290
[  274.643779][ T7328]  ? kernfs_path_from_node+0x2f/0x290
[  274.643802][ T7328]  sysfs_create_dir_ns+0x259/0x280
[  274.643825][ T7328]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.643847][ T7328]  ? do_raw_spin_unlock+0x122/0x240
[  274.643875][ T7328]  kobject_add_internal+0x59f/0xb40
[  274.643909][ T7328]  kobject_init_and_add+0x125/0x190
[  274.643941][ T7328]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.643968][ T7328]  ? __raw_spin_lock_init+0x45/0x100
[  274.643994][ T7328]  ? __init_swait_queue_head+0xa9/0x150
[  274.644020][ T7328]  gfs2_sys_fs_add+0x234/0x450
[  274.644050][ T7328]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.644086][ T7328]  ? is_dynamic_key+0xd6/0x1c0
[  274.644113][ T7328]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.644153][ T7328]  gfs2_fill_super+0x13c0/0x20d0
[  274.644190][ T7328]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.644217][ T7328]  ? sb_set_blocksize+0x104/0x180
[  274.644242][ T7328]  ? setup_bdev_super+0x4c1/0x5b0
[  274.644268][ T7328]  get_tree_bdev_flags+0x40e/0x4d0
[  274.644290][ T7328]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.644312][ T7328]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.644332][ T7328]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.644371][ T7328]  gfs2_get_tree+0x51/0x1e0
[  274.644396][ T7328]  vfs_get_tree+0x92/0x2b0
[  274.644421][ T7328]  do_new_mount+0x302/0x9e0
[  274.644444][ T7328]  ? apparmor_capable+0x137/0x1b0
[  274.644478][ T7328]  ? __pfx_do_new_mount+0x10/0x10
[  274.644503][ T7328]  ? ns_capable+0x8a/0xf0
[  274.644525][ T7328]  ? kmem_cache_free+0x19b/0x690
[  274.644557][ T7328]  __se_sys_mount+0x313/0x410
[  274.644588][ T7328]  ? __pfx___se_sys_mount+0x10/0x10
[  274.644620][ T7328]  ? do_syscall_64+0xbe/0xfa0
[  274.644642][ T7328]  ? __x64_sys_mount+0x20/0xc0
[  274.644671][ T7328]  do_syscall_64+0xfa/0xfa0
[  274.644704][ T7328]  ? lockdep_hardirqs_on+0x9c/0x150
[  274.644725][ T7328]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.644744][ T7328]  ? clear_bhb_loop+0x60/0xb0
[  274.644767][ T7328]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.644786][ T7328] RIP: 0033:0x7f49ddf9038a
[  274.644805][ T7328] 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
[  274.644823][ T7328] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.644845][ T7328] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  274.644861][ T7328] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  274.644875][ T7328] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  274.644888][ T7328] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  274.644901][ T7328] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  274.644932][ T7328]  </TASK>
[  274.644958][ T7328] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.972509][ T7328] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/03 06:09:19 executed programs: 187
[  275.301770][ T7332] loop1: detected capacity change from 0 to 32768
[  275.315208][ T7332] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.322786][ T7332] CPU: 0 UID: 0 PID: 7332 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  275.322813][ T7332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  275.322825][ T7332] Call Trace:
[  275.322834][ T7332]  <TASK>
[  275.322843][ T7332]  dump_stack_lvl+0x189/0x250
[  275.322874][ T7332]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.322898][ T7332]  ? __pfx__printk+0x10/0x10
[  275.322932][ T7332]  ? kernfs_path_from_node+0x250/0x290
[  275.322951][ T7332]  ? kernfs_path_from_node+0x2f/0x290
[  275.322975][ T7332]  sysfs_create_dir_ns+0x259/0x280
[  275.322998][ T7332]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.323020][ T7332]  ? do_raw_spin_unlock+0x122/0x240
[  275.323048][ T7332]  kobject_add_internal+0x59f/0xb40
[  275.323083][ T7332]  kobject_init_and_add+0x125/0x190
[  275.323116][ T7332]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.323145][ T7332]  ? __raw_spin_lock_init+0x45/0x100
[  275.323172][ T7332]  ? __init_swait_queue_head+0xa9/0x150
[  275.323200][ T7332]  gfs2_sys_fs_add+0x234/0x450
[  275.323230][ T7332]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.323263][ T7332]  ? is_dynamic_key+0xd6/0x1c0
[  275.323288][ T7332]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.323322][ T7332]  gfs2_fill_super+0x13c0/0x20d0
[  275.323361][ T7332]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.323390][ T7332]  ? sb_set_blocksize+0x104/0x180
[  275.323416][ T7332]  ? setup_bdev_super+0x4c1/0x5b0
[  275.323445][ T7332]  get_tree_bdev_flags+0x40e/0x4d0
[  275.323469][ T7332]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.323488][ T7332]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.323506][ T7332]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.323542][ T7332]  gfs2_get_tree+0x51/0x1e0
[  275.323564][ T7332]  vfs_get_tree+0x92/0x2b0
[  275.323587][ T7332]  do_new_mount+0x302/0x9e0
[  275.323610][ T7332]  ? apparmor_capable+0x137/0x1b0
[  275.323639][ T7332]  ? __pfx_do_new_mount+0x10/0x10
[  275.323663][ T7332]  ? ns_capable+0x8a/0xf0
[  275.323684][ T7332]  ? kmem_cache_free+0x19b/0x690
[  275.323729][ T7332]  __se_sys_mount+0x313/0x410
[  275.323759][ T7332]  ? __pfx___se_sys_mount+0x10/0x10
[  275.323789][ T7332]  ? do_syscall_64+0xbe/0xfa0
[  275.323810][ T7332]  ? __x64_sys_mount+0x20/0xc0
[  275.323838][ T7332]  do_syscall_64+0xfa/0xfa0
[  275.323859][ T7332]  ? lockdep_hardirqs_on+0x9c/0x150
[  275.323881][ T7332]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.323900][ T7332]  ? clear_bhb_loop+0x60/0xb0
[  275.323924][ T7332]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.323942][ T7332] RIP: 0033:0x7f49ddf9038a
[  275.323959][ T7332] 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
[  275.323978][ T7332] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.323999][ T7332] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  275.324014][ T7332] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  275.324029][ T7332] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  275.324043][ T7332] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.324055][ T7332] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  275.324087][ T7332]  </TASK>
[  275.324113][ T7332] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.652783][ T7332] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.985067][ T7336] loop1: detected capacity change from 0 to 32768
[  275.998967][ T7336] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.006836][ T7336] CPU: 1 UID: 0 PID: 7336 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  276.006862][ T7336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  276.006874][ T7336] Call Trace:
[  276.006882][ T7336]  <TASK>
[  276.006890][ T7336]  dump_stack_lvl+0x189/0x250
[  276.006923][ T7336]  ? __pfx_dump_stack_lvl+0x10/0x10
[  276.006947][ T7336]  ? __pfx__printk+0x10/0x10
[  276.006982][ T7336]  ? kernfs_path_from_node+0x250/0x290
[  276.007001][ T7336]  ? kernfs_path_from_node+0x2f/0x290
[  276.007025][ T7336]  sysfs_create_dir_ns+0x259/0x280
[  276.007047][ T7336]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.007069][ T7336]  ? do_raw_spin_unlock+0x122/0x240
[  276.007099][ T7336]  kobject_add_internal+0x59f/0xb40
[  276.007133][ T7336]  kobject_init_and_add+0x125/0x190
[  276.007164][ T7336]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.007193][ T7336]  ? __raw_spin_lock_init+0x45/0x100
[  276.007219][ T7336]  ? __init_swait_queue_head+0xa9/0x150
[  276.007248][ T7336]  gfs2_sys_fs_add+0x234/0x450
[  276.007280][ T7336]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.007313][ T7336]  ? is_dynamic_key+0xd6/0x1c0
[  276.007339][ T7336]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.007376][ T7336]  gfs2_fill_super+0x13c0/0x20d0
[  276.007413][ T7336]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.007439][ T7336]  ? sb_set_blocksize+0x104/0x180
[  276.007465][ T7336]  ? setup_bdev_super+0x4c1/0x5b0
[  276.007492][ T7336]  get_tree_bdev_flags+0x40e/0x4d0
[  276.007515][ T7336]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.007538][ T7336]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.007573][ T7336]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.007611][ T7336]  gfs2_get_tree+0x51/0x1e0
[  276.007637][ T7336]  vfs_get_tree+0x92/0x2b0
[  276.007662][ T7336]  do_new_mount+0x302/0x9e0
[  276.007685][ T7336]  ? apparmor_capable+0x137/0x1b0
[  276.007717][ T7336]  ? __pfx_do_new_mount+0x10/0x10
[  276.007743][ T7336]  ? ns_capable+0x8a/0xf0
[  276.007766][ T7336]  ? kmem_cache_free+0x19b/0x690
[  276.007801][ T7336]  __se_sys_mount+0x313/0x410
[  276.007833][ T7336]  ? __pfx___se_sys_mount+0x10/0x10
[  276.007863][ T7336]  ? do_syscall_64+0xbe/0xfa0
[  276.007885][ T7336]  ? __x64_sys_mount+0x20/0xc0
[  276.007912][ T7336]  do_syscall_64+0xfa/0xfa0
[  276.007933][ T7336]  ? lockdep_hardirqs_on+0x9c/0x150
[  276.007955][ T7336]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.007975][ T7336]  ? clear_bhb_loop+0x60/0xb0
[  276.007999][ T7336]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.008018][ T7336] RIP: 0033:0x7f49ddf9038a
[  276.008036][ T7336] 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
[  276.008055][ T7336] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.008076][ T7336] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  276.008092][ T7336] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  276.008106][ T7336] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  276.008119][ T7336] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  276.008130][ T7336] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  276.008158][ T7336]  </TASK>
[  276.008184][ T7336] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.336845][ T7336] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.669920][ T7340] loop1: detected capacity change from 0 to 32768
[  276.683791][ T7340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.691577][ T7340] CPU: 0 UID: 0 PID: 7340 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  276.691603][ T7340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  276.691616][ T7340] Call Trace:
[  276.691624][ T7340]  <TASK>
[  276.691633][ T7340]  dump_stack_lvl+0x189/0x250
[  276.691665][ T7340]  ? __pfx_dump_stack_lvl+0x10/0x10
[  276.691689][ T7340]  ? __pfx__printk+0x10/0x10
[  276.691723][ T7340]  ? kernfs_path_from_node+0x250/0x290
[  276.691742][ T7340]  ? kernfs_path_from_node+0x2f/0x290
[  276.691766][ T7340]  sysfs_create_dir_ns+0x259/0x280
[  276.691788][ T7340]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.691808][ T7340]  ? do_raw_spin_unlock+0x122/0x240
[  276.691837][ T7340]  kobject_add_internal+0x59f/0xb40
[  276.691873][ T7340]  kobject_init_and_add+0x125/0x190
[  276.691903][ T7340]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.691930][ T7340]  ? __raw_spin_lock_init+0x45/0x100
[  276.691955][ T7340]  ? __init_swait_queue_head+0xa9/0x150
[  276.691984][ T7340]  gfs2_sys_fs_add+0x234/0x450
[  276.692017][ T7340]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.692051][ T7340]  ? is_dynamic_key+0xd6/0x1c0
[  276.692077][ T7340]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.692114][ T7340]  gfs2_fill_super+0x13c0/0x20d0
[  276.692151][ T7340]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.692177][ T7340]  ? sb_set_blocksize+0x104/0x180
[  276.692201][ T7340]  ? setup_bdev_super+0x4c1/0x5b0
[  276.692228][ T7340]  get_tree_bdev_flags+0x40e/0x4d0
[  276.692251][ T7340]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.692273][ T7340]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.692294][ T7340]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.692331][ T7340]  gfs2_get_tree+0x51/0x1e0
[  276.692356][ T7340]  vfs_get_tree+0x92/0x2b0
[  276.692382][ T7340]  do_new_mount+0x302/0x9e0
[  276.692405][ T7340]  ? apparmor_capable+0x137/0x1b0
[  276.692438][ T7340]  ? __pfx_do_new_mount+0x10/0x10
[  276.692462][ T7340]  ? ns_capable+0x8a/0xf0
[  276.692482][ T7340]  ? kmem_cache_free+0x19b/0x690
[  276.692516][ T7340]  __se_sys_mount+0x313/0x410
[  276.692546][ T7340]  ? __pfx___se_sys_mount+0x10/0x10
[  276.692585][ T7340]  ? do_syscall_64+0xbe/0xfa0
[  276.692612][ T7340]  ? __x64_sys_mount+0x20/0xc0
[  276.692641][ T7340]  do_syscall_64+0xfa/0xfa0
[  276.692663][ T7340]  ? lockdep_hardirqs_on+0x9c/0x150
[  276.692686][ T7340]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.692706][ T7340]  ? clear_bhb_loop+0x60/0xb0
[  276.692728][ T7340]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.692747][ T7340] RIP: 0033:0x7f49ddf9038a
[  276.692765][ T7340] 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
[  276.692784][ T7340] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.692804][ T7340] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  276.692819][ T7340] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  276.692834][ T7340] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  276.692848][ T7340] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  276.692861][ T7340] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  276.692892][ T7340]  </TASK>
[  276.692919][ T7340] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.021051][ T7340] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.361278][ T7344] loop1: detected capacity change from 0 to 32768
[  277.375684][ T7344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.383091][ T7344] CPU: 1 UID: 0 PID: 7344 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  277.383115][ T7344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  277.383127][ T7344] Call Trace:
[  277.383136][ T7344]  <TASK>
[  277.383144][ T7344]  dump_stack_lvl+0x189/0x250
[  277.383171][ T7344]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.383193][ T7344]  ? __pfx__printk+0x10/0x10
[  277.383223][ T7344]  ? kernfs_path_from_node+0x250/0x290
[  277.383240][ T7344]  ? kernfs_path_from_node+0x2f/0x290
[  277.383261][ T7344]  sysfs_create_dir_ns+0x259/0x280
[  277.383280][ T7344]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.383299][ T7344]  ? do_raw_spin_unlock+0x122/0x240
[  277.383324][ T7344]  kobject_add_internal+0x59f/0xb40
[  277.383355][ T7344]  kobject_init_and_add+0x125/0x190
[  277.383382][ T7344]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.383406][ T7344]  ? __raw_spin_lock_init+0x45/0x100
[  277.383428][ T7344]  ? __init_swait_queue_head+0xa9/0x150
[  277.383452][ T7344]  gfs2_sys_fs_add+0x234/0x450
[  277.383479][ T7344]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.383508][ T7344]  ? is_dynamic_key+0xd6/0x1c0
[  277.383531][ T7344]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.383564][ T7344]  gfs2_fill_super+0x13c0/0x20d0
[  277.383596][ T7344]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.383619][ T7344]  ? sb_set_blocksize+0x104/0x180
[  277.383641][ T7344]  ? setup_bdev_super+0x4c1/0x5b0
[  277.383665][ T7344]  get_tree_bdev_flags+0x40e/0x4d0
[  277.383685][ T7344]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.383710][ T7344]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.383728][ T7344]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.383762][ T7344]  gfs2_get_tree+0x51/0x1e0
[  277.383783][ T7344]  vfs_get_tree+0x92/0x2b0
[  277.383805][ T7344]  do_new_mount+0x302/0x9e0
[  277.383825][ T7344]  ? apparmor_capable+0x137/0x1b0
[  277.383853][ T7344]  ? __pfx_do_new_mount+0x10/0x10
[  277.383875][ T7344]  ? ns_capable+0x8a/0xf0
[  277.383893][ T7344]  ? kmem_cache_free+0x19b/0x690
[  277.383923][ T7344]  __se_sys_mount+0x313/0x410
[  277.383949][ T7344]  ? __pfx___se_sys_mount+0x10/0x10
[  277.383975][ T7344]  ? do_syscall_64+0xbe/0xfa0
[  277.383994][ T7344]  ? __x64_sys_mount+0x20/0xc0
[  277.384017][ T7344]  do_syscall_64+0xfa/0xfa0
[  277.384036][ T7344]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.384055][ T7344]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.384073][ T7344]  ? clear_bhb_loop+0x60/0xb0
[  277.384093][ T7344]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.384109][ T7344] RIP: 0033:0x7f49ddf9038a
[  277.384124][ T7344] 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
[  277.384141][ T7344] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.384160][ T7344] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  277.384173][ T7344] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  277.384186][ T7344] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  277.384198][ T7344] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  277.384209][ T7344] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  277.384237][ T7344]  </TASK>
[  277.384291][ T7344] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.712625][ T7344] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.046965][ T7348] loop1: detected capacity change from 0 to 32768
[  278.058150][ T7348] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.066056][ T7348] CPU: 1 UID: 0 PID: 7348 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  278.066082][ T7348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  278.066095][ T7348] Call Trace:
[  278.066103][ T7348]  <TASK>
[  278.066112][ T7348]  dump_stack_lvl+0x189/0x250
[  278.066143][ T7348]  ? __pfx_dump_stack_lvl+0x10/0x10
[  278.066167][ T7348]  ? __pfx__printk+0x10/0x10
[  278.066201][ T7348]  ? kernfs_path_from_node+0x250/0x290
[  278.066222][ T7348]  ? kernfs_path_from_node+0x2f/0x290
[  278.066246][ T7348]  sysfs_create_dir_ns+0x259/0x280
[  278.066268][ T7348]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.066290][ T7348]  ? do_raw_spin_unlock+0x122/0x240
[  278.066318][ T7348]  kobject_add_internal+0x59f/0xb40
[  278.066354][ T7348]  kobject_init_and_add+0x125/0x190
[  278.066387][ T7348]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.066423][ T7348]  ? __raw_spin_lock_init+0x45/0x100
[  278.066449][ T7348]  ? __init_swait_queue_head+0xa9/0x150
[  278.066477][ T7348]  gfs2_sys_fs_add+0x234/0x450
[  278.066507][ T7348]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.066542][ T7348]  ? is_dynamic_key+0xd6/0x1c0
[  278.066567][ T7348]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.066606][ T7348]  gfs2_fill_super+0x13c0/0x20d0
[  278.066643][ T7348]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.066669][ T7348]  ? sb_set_blocksize+0x104/0x180
[  278.066695][ T7348]  ? setup_bdev_super+0x4c1/0x5b0
[  278.066723][ T7348]  get_tree_bdev_flags+0x40e/0x4d0
[  278.066747][ T7348]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.066769][ T7348]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.066790][ T7348]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.066829][ T7348]  gfs2_get_tree+0x51/0x1e0
[  278.066854][ T7348]  vfs_get_tree+0x92/0x2b0
[  278.066879][ T7348]  do_new_mount+0x302/0x9e0
[  278.066904][ T7348]  ? apparmor_capable+0x137/0x1b0
[  278.066936][ T7348]  ? __pfx_do_new_mount+0x10/0x10
[  278.066962][ T7348]  ? ns_capable+0x8a/0xf0
[  278.066984][ T7348]  ? kmem_cache_free+0x19b/0x690
[  278.067019][ T7348]  __se_sys_mount+0x313/0x410
[  278.067051][ T7348]  ? __pfx___se_sys_mount+0x10/0x10
[  278.067081][ T7348]  ? do_syscall_64+0xbe/0xfa0
[  278.067103][ T7348]  ? __x64_sys_mount+0x20/0xc0
[  278.067130][ T7348]  do_syscall_64+0xfa/0xfa0
[  278.067152][ T7348]  ? lockdep_hardirqs_on+0x9c/0x150
[  278.067174][ T7348]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.067191][ T7348]  ? clear_bhb_loop+0x60/0xb0
[  278.067211][ T7348]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.067227][ T7348] RIP: 0033:0x7f49ddf9038a
[  278.067245][ T7348] 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
[  278.067262][ T7348] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.067281][ T7348] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  278.067297][ T7348] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  278.067311][ T7348] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  278.067326][ T7348] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  278.067340][ T7348] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  278.067371][ T7348]  </TASK>
[  278.067395][ T7348] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.393989][ T7348] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.724910][ T7352] loop1: detected capacity change from 0 to 32768
[  278.746617][ T7352] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.754068][ T7352] CPU: 0 UID: 0 PID: 7352 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  278.754083][ T7352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  278.754090][ T7352] Call Trace:
[  278.754096][ T7352]  <TASK>
[  278.754101][ T7352]  dump_stack_lvl+0x189/0x250
[  278.754121][ T7352]  ? __pfx_dump_stack_lvl+0x10/0x10
[  278.754135][ T7352]  ? __pfx__printk+0x10/0x10
[  278.754154][ T7352]  ? kernfs_path_from_node+0x250/0x290
[  278.754166][ T7352]  ? kernfs_path_from_node+0x2f/0x290
[  278.754186][ T7352]  sysfs_create_dir_ns+0x259/0x280
[  278.754207][ T7352]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.754227][ T7352]  ? do_raw_spin_unlock+0x122/0x240
[  278.754252][ T7352]  kobject_add_internal+0x59f/0xb40
[  278.754285][ T7352]  kobject_init_and_add+0x125/0x190
[  278.754313][ T7352]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.754340][ T7352]  ? __raw_spin_lock_init+0x45/0x100
[  278.754364][ T7352]  ? __init_swait_queue_head+0xa9/0x150
[  278.754391][ T7352]  gfs2_sys_fs_add+0x234/0x450
[  278.754422][ T7352]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.754456][ T7352]  ? is_dynamic_key+0xd6/0x1c0
[  278.754483][ T7352]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.754523][ T7352]  gfs2_fill_super+0x13c0/0x20d0
[  278.754562][ T7352]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.754589][ T7352]  ? sb_set_blocksize+0x104/0x180
[  278.754615][ T7352]  ? setup_bdev_super+0x4c1/0x5b0
[  278.754650][ T7352]  get_tree_bdev_flags+0x40e/0x4d0
[  278.754674][ T7352]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.754696][ T7352]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.754718][ T7352]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.754757][ T7352]  gfs2_get_tree+0x51/0x1e0
[  278.754783][ T7352]  vfs_get_tree+0x92/0x2b0
[  278.754808][ T7352]  do_new_mount+0x302/0x9e0
[  278.754832][ T7352]  ? apparmor_capable+0x137/0x1b0
[  278.754864][ T7352]  ? __pfx_do_new_mount+0x10/0x10
[  278.754893][ T7352]  ? ns_capable+0x8a/0xf0
[  278.754915][ T7352]  ? kmem_cache_free+0x19b/0x690
[  278.754950][ T7352]  __se_sys_mount+0x313/0x410
[  278.754983][ T7352]  ? __pfx___se_sys_mount+0x10/0x10
[  278.755012][ T7352]  ? do_syscall_64+0xbe/0xfa0
[  278.755034][ T7352]  ? __x64_sys_mount+0x20/0xc0
[  278.755062][ T7352]  do_syscall_64+0xfa/0xfa0
[  278.755084][ T7352]  ? lockdep_hardirqs_on+0x9c/0x150
[  278.755107][ T7352]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.755126][ T7352]  ? clear_bhb_loop+0x60/0xb0
[  278.755150][ T7352]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.755170][ T7352] RIP: 0033:0x7f49ddf9038a
[  278.755188][ T7352] 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
[  278.755206][ T7352] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.755228][ T7352] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  278.755243][ T7352] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  278.755258][ T7352] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  278.755272][ T7352] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  278.755286][ T7352] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  278.755322][ T7352]  </TASK>
[  279.067728][ T7352] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.083389][ T7352] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.387178][ T7356] loop1: detected capacity change from 0 to 32768
[  279.399094][ T7356] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.407093][ T7356] CPU: 1 UID: 0 PID: 7356 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  279.407117][ T7356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  279.407129][ T7356] Call Trace:
[  279.407137][ T7356]  <TASK>
[  279.407144][ T7356]  dump_stack_lvl+0x189/0x250
[  279.407173][ T7356]  ? __pfx_dump_stack_lvl+0x10/0x10
[  279.407195][ T7356]  ? __pfx__printk+0x10/0x10
[  279.407227][ T7356]  ? kernfs_path_from_node+0x250/0x290
[  279.407245][ T7356]  ? kernfs_path_from_node+0x2f/0x290
[  279.407270][ T7356]  sysfs_create_dir_ns+0x259/0x280
[  279.407294][ T7356]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.407315][ T7356]  ? do_raw_spin_unlock+0x122/0x240
[  279.407343][ T7356]  kobject_add_internal+0x59f/0xb40
[  279.407378][ T7356]  kobject_init_and_add+0x125/0x190
[  279.407407][ T7356]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.407434][ T7356]  ? __raw_spin_lock_init+0x45/0x100
[  279.407459][ T7356]  ? __init_swait_queue_head+0xa9/0x150
[  279.407482][ T7356]  gfs2_sys_fs_add+0x234/0x450
[  279.407511][ T7356]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.407542][ T7356]  ? is_dynamic_key+0xd6/0x1c0
[  279.407576][ T7356]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.407615][ T7356]  gfs2_fill_super+0x13c0/0x20d0
[  279.407654][ T7356]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.407680][ T7356]  ? sb_set_blocksize+0x104/0x180
[  279.407706][ T7356]  ? setup_bdev_super+0x4c1/0x5b0
[  279.407732][ T7356]  get_tree_bdev_flags+0x40e/0x4d0
[  279.407755][ T7356]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.407776][ T7356]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.407797][ T7356]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.407837][ T7356]  gfs2_get_tree+0x51/0x1e0
[  279.407861][ T7356]  vfs_get_tree+0x92/0x2b0
[  279.407886][ T7356]  do_new_mount+0x302/0x9e0
[  279.407911][ T7356]  ? apparmor_capable+0x137/0x1b0
[  279.407941][ T7356]  ? __pfx_do_new_mount+0x10/0x10
[  279.407966][ T7356]  ? ns_capable+0x8a/0xf0
[  279.407987][ T7356]  ? kmem_cache_free+0x19b/0x690
[  279.408023][ T7356]  __se_sys_mount+0x313/0x410
[  279.408053][ T7356]  ? __pfx___se_sys_mount+0x10/0x10
[  279.408081][ T7356]  ? do_syscall_64+0xbe/0xfa0
[  279.408103][ T7356]  ? __x64_sys_mount+0x20/0xc0
[  279.408132][ T7356]  do_syscall_64+0xfa/0xfa0
[  279.408153][ T7356]  ? lockdep_hardirqs_on+0x9c/0x150
[  279.408175][ T7356]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.408194][ T7356]  ? clear_bhb_loop+0x60/0xb0
[  279.408217][ T7356]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.408236][ T7356] RIP: 0033:0x7f49ddf9038a
[  279.408252][ T7356] 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
[  279.408269][ T7356] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.408289][ T7356] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  279.408303][ T7356] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  279.408316][ T7356] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  279.408329][ T7356] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  279.408342][ T7356] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  279.408373][ T7356]  </TASK>
[  279.408527][ T7356] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.735213][ T7356] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.055573][   T31] INFO: task syz.0.17:6554 blocked for more than 143 seconds.
[  280.064262][   T31]       Not tainted syzkaller #0
[  280.070485][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  280.077617][ T7360] loop1: detected capacity change from 0 to 32768
[  280.080553][   T31] task:syz.0.17        state:D stack:25608 pid:6554  tgid:6554  ppid:6477   task_flags:0x400040 flags:0x00080002
[  280.098108][   T31] Call Trace:
[  280.101777][   T31]  <TASK>
[  280.104909][   T31]  __schedule+0x1798/0x4cc0
[  280.109729][   T31]  ? __pfx___schedule+0x10/0x10
[  280.115109][   T31]  ? schedule+0x91/0x360
[  280.119624][ T7360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.127120][   T31]  schedule+0x165/0x360
[  280.131357][   T31]  io_schedule+0x80/0xd0
[  280.136183][ T7360] CPU: 1 UID: 0 PID: 7360 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  280.136211][ T7360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  280.136224][ T7360] Call Trace:
[  280.136231][ T7360]  <TASK>
[  280.136239][ T7360]  dump_stack_lvl+0x189/0x250
[  280.136270][ T7360]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.136294][ T7360]  ? __pfx__printk+0x10/0x10
[  280.136329][ T7360]  ? kernfs_path_from_node+0x250/0x290
[  280.136350][ T7360]  ? kernfs_path_from_node+0x2f/0x290
[  280.136375][ T7360]  sysfs_create_dir_ns+0x259/0x280
[  280.136398][ T7360]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.136420][ T7360]  ? do_raw_spin_unlock+0x122/0x240
[  280.136448][ T7360]  kobject_add_internal+0x59f/0xb40
[  280.136485][ T7360]  kobject_init_and_add+0x125/0x190
[  280.136518][ T7360]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.136546][ T7360]  ? __raw_spin_lock_init+0x45/0x100
[  280.136573][ T7360]  ? __init_swait_queue_head+0xa9/0x150
[  280.136601][ T7360]  gfs2_sys_fs_add+0x234/0x450
[  280.136631][ T7360]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.136665][ T7360]  ? is_dynamic_key+0xd6/0x1c0
[  280.136690][ T7360]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.136730][ T7360]  gfs2_fill_super+0x13c0/0x20d0
[  280.136771][ T7360]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.136799][ T7360]  ? sb_set_blocksize+0x104/0x180
[  280.136825][ T7360]  ? setup_bdev_super+0x4c1/0x5b0
[  280.136852][ T7360]  get_tree_bdev_flags+0x40e/0x4d0
[  280.136876][ T7360]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.136899][ T7360]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.136921][ T7360]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.136962][ T7360]  gfs2_get_tree+0x51/0x1e0
[  280.136988][ T7360]  vfs_get_tree+0x92/0x2b0
[  280.137015][ T7360]  do_new_mount+0x302/0x9e0
[  280.137038][ T7360]  ? apparmor_capable+0x137/0x1b0
[  280.137070][ T7360]  ? __pfx_do_new_mount+0x10/0x10
[  280.137095][ T7360]  ? ns_capable+0x8a/0xf0
[  280.137117][ T7360]  ? kmem_cache_free+0x19b/0x690
[  280.137154][ T7360]  __se_sys_mount+0x313/0x410
[  280.137193][ T7360]  ? __pfx___se_sys_mount+0x10/0x10
[  280.137223][ T7360]  ? do_syscall_64+0xbe/0xfa0
[  280.137243][ T7360]  ? __x64_sys_mount+0x20/0xc0
[  280.137271][ T7360]  do_syscall_64+0xfa/0xfa0
[  280.137292][ T7360]  ? lockdep_hardirqs_on+0x9c/0x150
[  280.137316][ T7360]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.137336][ T7360]  ? clear_bhb_loop+0x60/0xb0
[  280.137361][ T7360]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.137381][ T7360] RIP: 0033:0x7f49ddf9038a
[  280.137400][ T7360] 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
2025/10/03 06:09:25 executed programs: 195
[  280.137419][ T7360] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.137440][ T7360] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  280.137456][ T7360] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  280.137471][ T7360] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  280.137484][ T7360] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  280.137498][ T7360] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  280.137531][ T7360]  </TASK>
[  280.137558][ T7360] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.146866][   T31]  folio_wait_bit_common+0x6b0/0xb80
[  280.146921][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  280.157011][ T7360] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.175395][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  280.489467][   T31]  ? __lock_acquire+0xab9/0xd20
[  280.494404][   T31]  writeback_iter+0x8d8/0x12a0
[  280.499270][   T31]  iomap_writepages+0x14d/0x2d0
[  280.504141][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  280.509602][   T31]  gfs2_writepages+0x177/0x250
[  280.514435][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  280.519819][   T31]  ? __lock_acquire+0xab9/0xd20
[  280.524702][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  280.530052][   T31]  do_writepages+0x32e/0x550
[  280.534669][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  280.539978][   T31]  filemap_fdatawrite+0x199/0x240
[  280.545016][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  280.550659][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  280.555926][   T31]  gfs2_log_flush+0x966/0x24c0
[  280.560729][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  280.565977][   T31]  ? __pfx___up_read+0x10/0x10
[  280.570764][   T31]  gfs2_trans_end+0x37c/0x570
[  280.576069][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  280.581212][   T31]  ? do_page_mkwrite+0x14d/0x310
[  280.586230][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  280.591701][   T31]  ? gfs2_fault+0x19a/0x1f0
[  280.596581][   T31]  ? do_page_mkwrite+0x14d/0x310
[  280.601563][   T31]  do_page_mkwrite+0x14d/0x310
[  280.606403][   T31]  __handle_mm_fault+0x1916/0x5400
[  280.611539][   T31]  ? lock_vma_under_rcu+0x1a3/0x450
[  280.616835][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  280.622322][   T31]  ? lock_vma_under_rcu+0x3d2/0x450
[  280.627596][   T31]  ? __pfx_do_futex+0x10/0x10
[  280.632286][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  280.637917][   T31]  handle_mm_fault+0x40a/0x8e0
[  280.642787][   T31]  do_user_addr_fault+0xa7c/0x1380
[  280.648059][   T31]  ? rcu_is_watching+0x15/0xb0
[  280.652844][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  280.658299][   T31]  exc_page_fault+0x82/0x100
[  280.663088][   T31]  asm_exc_page_fault+0x26/0x30
[  280.667999][   T31] RIP: 0033:0x7f5bfc0550b3
[  280.672457][   T31] RSP: 002b:00007ffdc9799470 EFLAGS: 00010246
[  280.679184][   T31] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[  280.687223][   T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005555920153c8
[  280.695210][   T31] RBP: 00007ffdc9799578 R08: 0000000000000000 R09: 0000000000000000
[  280.703604][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f5bfc3b5fac
[  280.711829][   T31] R13: 00007f5bfc3b5fa0 R14: fffffffffffffffe R15: 00007ffdc97995c0
[  280.719889][   T31]  </TASK>
[  280.723046][   T31] 
[  280.723046][   T31] Showing all locks held in the system:
[  280.730809][   T31] 1 lock held by khungtaskd/31:
[  280.735764][   T31]  #0: ffffffff8dd3d2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  280.749929][   T31] 4 locks held by kworker/u8:4/64:
[  280.755062][   T31]  #0: ffff888142ef0948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[  280.766462][   T31]  #1: ffffc9000214fba0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[  280.779869][   T31]  #2: ffff88802273a0e0 (&type->s_umount_key#53){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[  280.790571][   T31]  #3: ffff88807c05ce50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  280.801159][   T31] 2 locks held by getty/5602:
[  280.805934][   T31]  #0: ffff88814db100a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  280.815948][   T31]  #1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[  280.817544][ T7365] loop1: detected capacity change from 0 to 32768
[  280.826134][   T31] 4 locks held by syz.0.17/6554:
[  280.826149][   T31]  #0: ffff88805dcfb808 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1a3/0x450
[  280.847659][   T31]  #1: ffff88802273a518 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x14d/0x310
[  280.857511][   T31]  #2: ffff88802273a610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[  280.862049][ T7365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.867046][   T31]  #3: ffff88807c05ce50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  280.885780][   T31] 1 lock held by gfs2_logd/syz:s/6560:
[  280.890073][ T7365] CPU: 1 UID: 0 PID: 7365 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  280.890099][ T7365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  280.890112][ T7365] Call Trace:
[  280.890119][ T7365]  <TASK>
[  280.890127][ T7365]  dump_stack_lvl+0x189/0x250
[  280.890160][ T7365]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.890184][ T7365]  ? __pfx__printk+0x10/0x10
[  280.890217][ T7365]  ? kernfs_path_from_node+0x250/0x290
[  280.890237][ T7365]  ? kernfs_path_from_node+0x2f/0x290
[  280.890260][ T7365]  sysfs_create_dir_ns+0x259/0x280
[  280.890282][ T7365]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.890303][ T7365]  ? do_raw_spin_unlock+0x122/0x240
[  280.890330][ T7365]  kobject_add_internal+0x59f/0xb40
[  280.890367][ T7365]  kobject_init_and_add+0x125/0x190
[  280.890398][ T7365]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.890424][ T7365]  ? __raw_spin_lock_init+0x45/0x100
[  280.890450][ T7365]  ? __init_swait_queue_head+0xa9/0x150
[  280.890477][ T7365]  gfs2_sys_fs_add+0x234/0x450
[  280.890507][ T7365]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.890541][ T7365]  ? is_dynamic_key+0xd6/0x1c0
[  280.890567][ T7365]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.890606][ T7365]  gfs2_fill_super+0x13c0/0x20d0
[  280.890643][ T7365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.890670][ T7365]  ? sb_set_blocksize+0x104/0x180
[  280.890694][ T7365]  ? setup_bdev_super+0x4c1/0x5b0
[  280.890720][ T7365]  get_tree_bdev_flags+0x40e/0x4d0
[  280.890744][ T7365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.890766][ T7365]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.890788][ T7365]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.890825][ T7365]  gfs2_get_tree+0x51/0x1e0
[  280.890849][ T7365]  vfs_get_tree+0x92/0x2b0
[  280.890875][ T7365]  do_new_mount+0x302/0x9e0
[  280.890898][ T7365]  ? apparmor_capable+0x137/0x1b0
[  280.890931][ T7365]  ? __pfx_do_new_mount+0x10/0x10
[  280.890955][ T7365]  ? ns_capable+0x8a/0xf0
[  280.890976][ T7365]  ? kmem_cache_free+0x19b/0x690
[  280.891010][ T7365]  __se_sys_mount+0x313/0x410
[  280.891041][ T7365]  ? __pfx___se_sys_mount+0x10/0x10
[  280.891076][ T7365]  ? do_syscall_64+0xbe/0xfa0
[  280.891097][ T7365]  ? __x64_sys_mount+0x20/0xc0
[  280.891124][ T7365]  do_syscall_64+0xfa/0xfa0
[  280.891146][ T7365]  ? lockdep_hardirqs_on+0x9c/0x150
[  280.891168][ T7365]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.891187][ T7365]  ? clear_bhb_loop+0x60/0xb0
[  280.891210][ T7365]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.891228][ T7365] RIP: 0033:0x7f49ddf9038a
[  280.891246][ T7365] 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
[  280.891262][ T7365] RSP: 002b:00007f49dd5fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.891282][ T7365] RAX: ffffffffffffffda RBX: 00007f49dd5fdef0 RCX: 00007f49ddf9038a
[  280.891296][ T7365] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f49dd5fdeb0
[  280.891311][ T7365] RBP: 000020000001f680 R08: 00007f49dd5fdef0 R09: 0000000000000094
[  280.891324][ T7365] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  280.891337][ T7365] R13: 00007f49dd5fdeb0 R14: 000000000001f790 R15: 00002000000001c0
[  280.891370][ T7365]  </TASK>
[  280.891394][ T7365] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.900520][   T31]  #0: 
[  280.915845][ T7365] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.917050][   T31] ffff88807c05ce50 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x103/0x24c0
[  281.238561][   T31] 
[  281.240892][   T31] =============================================
[  281.240892][   T31] 
[  281.253407][   T31] NMI backtrace for cpu 0
[  281.253423][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  281.253446][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  281.253459][   T31] Call Trace:
[  281.253467][   T31]  <TASK>
[  281.253476][   T31]  dump_stack_lvl+0x189/0x250
[  281.253508][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  281.253533][   T31]  ? __pfx__printk+0x10/0x10
[  281.253573][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  281.253606][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  281.253638][   T31]  ? __pfx__printk+0x10/0x10
[  281.253676][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  281.253707][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  281.253739][   T31]  watchdog+0xf60/0xfa0
[  281.253773][   T31]  ? watchdog+0x1e2/0xfa0
[  281.253805][   T31]  kthread+0x711/0x8a0
[  281.253832][   T31]  ? __pfx_watchdog+0x10/0x10
[  281.253857][   T31]  ? __pfx_kthread+0x10/0x10
[  281.253879][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  281.253899][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  281.253917][   T31]  ? __pfx_kthread+0x10/0x10
[  281.253939][   T31]  ret_from_fork+0x4bc/0x870
[  281.253971][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  281.254007][   T31]  ? __switch_to_asm+0x39/0x70
[  281.254032][   T31]  ? __switch_to_asm+0x33/0x70
[  281.254056][   T31]  ? __pfx_kthread+0x10/0x10
[  281.254081][   T31]  ret_from_fork_asm+0x1a/0x30
[  281.254132][   T31]  </TASK>
[  281.254140][   T31] Sending NMI from CPU 0 to CPUs 1:
[  281.401011][    C1] NMI backtrace for cpu 1
[  281.401028][    C1] CPU: 1 UID: 0 PID: 7369 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  281.401049][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  281.401060][    C1] RIP: 0010:__lock_acquire+0x4f2/0xd20
[  281.401091][    C1] Code: 4c 8d 3c c7 49 81 c7 50 0b 00 00 eb 1d 44 89 e0 48 ff c3 48 63 8f 28 0b 00 00 49 83 c7 28 41 89 c4 48 39 cb 0f 8d d6 00 00 00 <48> 83 fb 31 0f 83 92 00 00 00 41 8b 07 25 ff 1f 00 00 48 0f a3 05
[  281.401107][    C1] RSP: 0018:ffffc90003ebef08 EFLAGS: 00000082
[  281.401123][    C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000ffffffff
[  281.401136][    C1] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffff888024895ac0
[  281.401148][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81737d25
[  281.401160][    C1] R10: ffffc90003ebf158 R11: ffffffff81ac1c30 R12: ffffffffffffff05
[  281.401174][    C1] R13: 0000000000000001 R14: ffff888024896640 R15: ffff888024896610
[  281.401187][    C1] FS:  00007f49dd5fe6c0(0000) GS:ffff88812626c000(0000) knlGS:0000000000000000
[  281.401203][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  281.401215][    C1] CR2: 00007f49d5fff000 CR3: 00000000616c2000 CR4: 00000000003526f0
[  281.401232][    C1] Call Trace:
[  281.401239][    C1]  <TASK>
[  281.401249][    C1]  ? unwind_next_frame+0xa5/0x2390
[  281.401267][    C1]  lock_acquire+0x120/0x360
[  281.401291][    C1]  ? unwind_next_frame+0xa5/0x2390
[  281.401311][    C1]  ? unwind_next_frame+0xa5/0x2390
[  281.401334][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.401352][    C1]  ? unwind_next_frame+0xa5/0x2390
[  281.401369][    C1]  unwind_next_frame+0xc2/0x2390
[  281.401386][    C1]  ? unwind_next_frame+0xa5/0x2390
[  281.401406][    C1]  ? unwind_next_frame+0xa5/0x2390
[  281.401423][    C1]  ? do_syscall_64+0xfa/0xfa0
[  281.401445][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  281.401467][    C1]  arch_stack_walk+0x11c/0x150
[  281.401487][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.401506][    C1]  stack_trace_save+0x9c/0xe0
[  281.401525][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  281.401548][    C1]  save_stack+0xf5/0x1f0
[  281.401569][    C1]  ? __pfx_save_stack+0x10/0x10
[  281.401587][    C1]  ? post_alloc_hook+0x240/0x2a0
[  281.401607][    C1]  ? get_page_from_freelist+0x2365/0x2440
[  281.401629][    C1]  ? __alloc_frozen_pages_noprof+0x181/0x370
[  281.401652][    C1]  ? alloc_pages_mpol+0x232/0x4a0
[  281.401673][    C1]  ? folio_alloc_mpol_noprof+0x39/0x70
[  281.401694][    C1]  ? shmem_alloc_and_add_folio+0x447/0xf60
[  281.401714][    C1]  ? shmem_get_folio_gfp+0x59d/0x1660
[  281.401730][    C1]  ? shmem_write_begin+0xf7/0x2b0
[  281.401749][    C1]  ? generic_perform_write+0x2c5/0x900
[  281.401773][    C1]  ? shmem_file_write_iter+0xf8/0x120
[  281.401792][    C1]  ? vfs_write+0x5c9/0xb30
[  281.401811][    C1]  ? ksys_write+0x145/0x250
[  281.401828][    C1]  ? do_syscall_64+0xfa/0xfa0
[  281.401847][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.401865][    C1]  ? seqcount_lockdep_reader_access+0x102/0x180
[  281.401886][    C1]  __set_page_owner+0x8d/0x4a0
[  281.401907][    C1]  ? __pfx___set_page_owner+0x10/0x10
[  281.401930][    C1]  post_alloc_hook+0x240/0x2a0
[  281.401952][    C1]  get_page_from_freelist+0x2365/0x2440
[  281.401991][    C1]  ? __pfx_get_page_from_freelist+0x10/0x10
[  281.402015][    C1]  ? prepare_alloc_pages+0x213/0x610
[  281.402041][    C1]  __alloc_frozen_pages_noprof+0x181/0x370
[  281.402065][    C1]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[  281.402092][    C1]  ? policy_nodemask+0x27c/0x720
[  281.402116][    C1]  alloc_pages_mpol+0x232/0x4a0
[  281.402140][    C1]  folio_alloc_mpol_noprof+0x39/0x70
[  281.402163][    C1]  shmem_alloc_and_add_folio+0x447/0xf60
[  281.402185][    C1]  ? filemap_get_entry+0xad/0x2f0
[  281.402206][    C1]  ? filemap_get_entry+0xad/0x2f0
[  281.402227][    C1]  ? filemap_get_entry+0xad/0x2f0
[  281.402249][    C1]  ? filemap_get_entry+0x28f/0x2f0
[  281.402271][    C1]  ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[  281.402293][    C1]  ? shmem_allowable_huge_orders+0x1d7/0x4f0
[  281.402314][    C1]  shmem_get_folio_gfp+0x59d/0x1660
[  281.402343][    C1]  shmem_write_begin+0xf7/0x2b0
[  281.402365][    C1]  generic_perform_write+0x2c5/0x900
[  281.402395][    C1]  ? __pfx_generic_perform_write+0x10/0x10
[  281.402420][    C1]  ? preempt_count_add+0x91/0x1a0
[  281.402445][    C1]  ? mnt_put_write_access_file+0xb9/0x100
[  281.402463][    C1]  ? file_update_time+0x416/0x490
[  281.402480][    C1]  shmem_file_write_iter+0xf8/0x120
[  281.402502][    C1]  vfs_write+0x5c9/0xb30
[  281.402522][    C1]  ? __pfx_shmem_file_write_iter+0x10/0x10
[  281.402548][    C1]  ? __pfx_vfs_write+0x10/0x10
[  281.402570][    C1]  ? __fget_files+0x2a/0x420
[  281.402595][    C1]  ksys_write+0x145/0x250
[  281.402619][    C1]  ? __pfx_ksys_write+0x10/0x10
[  281.402639][    C1]  ? do_syscall_64+0xbe/0xfa0
[  281.402661][    C1]  do_syscall_64+0xfa/0xfa0
[  281.402680][    C1]  ? lockdep_hardirqs_on+0x9c/0x150
[  281.402699][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.402716][    C1]  ? clear_bhb_loop+0x60/0xb0
[  281.402735][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.402752][    C1] RIP: 0033:0x7f49ddf8d69f
[  281.402766][    C1] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  281.402782][    C1] RSP: 002b:00007f49dd5fddf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  281.402799][    C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f49ddf8d69f
[  281.402813][    C1] RDX: 0000000001000000 RSI: 00007f49d5000000 RDI: 0000000000000003
[  281.402825][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[  281.402836][    C1] R10: 000020000005e5c2 R11: 0000000000000293 R12: 0000000000000003
[  281.402848][    C1] R13: 00007f49dd5fdef0 R14: 00007f49dd5fdeb0 R15: 00007f49d5000000
[  281.402867][    C1]  </TASK>
[  281.403445][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  281.973110][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  281.982305][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  281.992359][   T31] Call Trace:
[  281.995627][   T31]  <TASK>
[  281.998559][   T31]  dump_stack_lvl+0x99/0x250
[  282.003170][   T31]  ? __asan_memcpy+0x40/0x70
[  282.007765][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.012977][   T31]  ? __pfx__printk+0x10/0x10
[  282.017589][   T31]  vpanic+0x237/0x6d0
[  282.021577][   T31]  ? __pfx_vpanic+0x10/0x10
[  282.026076][   T31]  ? preempt_schedule_common+0x83/0xd0
[  282.031535][   T31]  panic+0xb9/0xc0
[  282.035251][   T31]  ? __pfx_panic+0x10/0x10
[  282.039666][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  282.045042][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  282.051241][   T31]  watchdog+0xf9f/0xfa0
[  282.055435][   T31]  ? watchdog+0x1e2/0xfa0
[  282.059782][   T31]  kthread+0x711/0x8a0
[  282.063854][   T31]  ? __pfx_watchdog+0x10/0x10
[  282.068530][   T31]  ? __pfx_kthread+0x10/0x10
[  282.073172][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  282.078380][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.083568][   T31]  ? __pfx_kthread+0x10/0x10
[  282.088154][   T31]  ret_from_fork+0x4bc/0x870
[  282.092745][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  282.097860][   T31]  ? __switch_to_asm+0x39/0x70
[  282.102616][   T31]  ? __switch_to_asm+0x33/0x70
[  282.107378][   T31]  ? __pfx_kthread+0x10/0x10
[  282.111964][   T31]  ret_from_fork_asm+0x1a/0x30
[  282.116742][   T31]  </TASK>
[  282.120178][   T31] Kernel Offset: disabled
[  282.124486][   T31] Rebooting in 86400 seconds..