? ns_capable+0x8a/0xf0
[  234.386914][ T7387]  ? __pfx_do_new_mount+0x10/0x10
[  234.386945][ T7387]  ? path_mount+0x61c/0xfe0
[  234.386976][ T7387]  ? user_path_at+0x44/0x60
[  234.387007][ T7387]  __se_sys_mount+0x317/0x410
[  234.387045][ T7387]  ? __pfx___se_sys_mount+0x10/0x10
[  234.387082][ T7387]  ? rcu_is_watching+0x15/0xb0
[  234.387103][ T7387]  ? __x64_sys_mount+0x20/0xc0
[  234.387139][ T7387]  do_syscall_64+0xfa/0x3b0
[  234.387164][ T7387]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.387185][ T7387]  ? clear_bhb_loop+0x60/0xb0
[  234.387211][ T7387]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.387233][ T7387] RIP: 0033:0x7feae2f9038a
[  234.387255][ T7387] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.387276][ T7387] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.387303][ T7387] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  234.387321][ T7387] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  234.387338][ T7387] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  234.387355][ T7387] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  234.387370][ T7387] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  234.387396][ T7387]  </TASK>
[  234.387420][ T7387] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.772305][ T7387] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.530608][ T7401] loop0: detected capacity change from 0 to 32768
[  235.579051][ T7401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.608192][ T7401] CPU: 0 UID: 0 PID: 7401 Comm: syz.0.321 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  235.608224][ T7401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.608238][ T7401] Call Trace:
[  235.608246][ T7401]  <TASK>
[  235.608255][ T7401]  dump_stack_lvl+0x189/0x250
[  235.608285][ T7401]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.608309][ T7401]  ? __pfx__printk+0x10/0x10
[  235.608336][ T7401]  ? kernfs_root+0x1c/0x230
[  235.608360][ T7401]  ? kernfs_path_from_node+0x250/0x290
[  235.608381][ T7401]  ? kernfs_path_from_node+0x2f/0x290
[  235.608404][ T7401]  sysfs_create_dir_ns+0x259/0x280
[  235.608428][ T7401]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  235.608449][ T7401]  ? do_raw_spin_unlock+0x122/0x240
[  235.608477][ T7401]  kobject_add_internal+0x59f/0xb40
[  235.608504][ T7401]  kobject_init_and_add+0x125/0x190
[  235.608528][ T7401]  ? __pfx_kobject_init_and_add+0x10/0x10
[  235.608550][ T7401]  ? __raw_spin_lock_init+0x45/0x100
[  235.608573][ T7401]  ? __init_swait_queue_head+0xa9/0x150
[  235.608598][ T7401]  gfs2_sys_fs_add+0x234/0x450
[  235.608619][ T7401]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  235.608641][ T7401]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  235.608674][ T7401]  gfs2_fill_super+0x13c0/0x20d0
[  235.608707][ T7401]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.608734][ T7401]  ? sb_set_blocksize+0x104/0x180
[  235.608764][ T7401]  ? setup_bdev_super+0x4c1/0x5b0
[  235.608792][ T7401]  get_tree_bdev_flags+0x40b/0x4d0
[  235.608820][ T7401]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.608845][ T7401]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  235.608877][ T7401]  gfs2_get_tree+0x51/0x1e0
[  235.608912][ T7401]  vfs_get_tree+0x8f/0x2b0
[  235.608939][ T7401]  do_new_mount+0x2a2/0xa30
[  235.608971][ T7401]  ? ns_capable+0x8a/0xf0
[  235.608989][ T7401]  ? __pfx_do_new_mount+0x10/0x10
[  235.609017][ T7401]  ? path_mount+0x61c/0xfe0
[  235.609044][ T7401]  ? user_path_at+0x44/0x60
[  235.609070][ T7401]  __se_sys_mount+0x317/0x410
[  235.609104][ T7401]  ? __pfx___se_sys_mount+0x10/0x10
[  235.609135][ T7401]  ? rcu_is_watching+0x15/0xb0
[  235.609154][ T7401]  ? __x64_sys_mount+0x20/0xc0
[  235.609184][ T7401]  do_syscall_64+0xfa/0x3b0
[  235.609206][ T7401]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.609225][ T7401]  ? clear_bhb_loop+0x60/0xb0
[  235.609246][ T7401]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.609266][ T7401] RIP: 0033:0x7f14da99038a
[  235.609282][ T7401] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.609301][ T7401] RSP: 002b:00007f14db774e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.609322][ T7401] RAX: ffffffffffffffda RBX: 00007f14db774ef0 RCX: 00007f14da99038a
[  235.609337][ T7401] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f14db774eb0
[  235.609350][ T7401] RBP: 000020000001f680 R08: 00007f14db774ef0 R09: 0000000000000084
[  235.609364][ T7401] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  235.609376][ T7401] R13: 00007f14db774eb0 R14: 000000000001f790 R15: 00002000000001c0
[  235.609398][ T7401]  </TASK>
[  235.609419][ T7401] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.632025][ T7403] loop1: detected capacity change from 0 to 32768
[  235.731624][ T7405] loop5: detected capacity change from 0 to 32768
[  235.748926][ T7401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.968488][ T7403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.978019][ T7403] CPU: 1 UID: 0 PID: 7403 Comm: syz.1.323 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  235.978053][ T7403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.978067][ T7403] Call Trace:
[  235.978074][ T7403]  <TASK>
[  235.978084][ T7403]  dump_stack_lvl+0x189/0x250
[  235.978113][ T7403]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.978137][ T7403]  ? __pfx__printk+0x10/0x10
[  235.978163][ T7403]  ? kernfs_root+0x1c/0x230
[  235.978188][ T7403]  ? kernfs_path_from_node+0x250/0x290
[  235.978211][ T7403]  ? kernfs_path_from_node+0x2f/0x290
[  235.978235][ T7403]  sysfs_create_dir_ns+0x259/0x280
[  235.978258][ T7403]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  235.978281][ T7403]  ? do_raw_spin_unlock+0x122/0x240
[  235.978308][ T7403]  kobject_add_internal+0x59f/0xb40
[  235.978337][ T7403]  kobject_init_and_add+0x125/0x190
[  235.978363][ T7403]  ? __pfx_kobject_init_and_add+0x10/0x10
[  235.978386][ T7403]  ? __raw_spin_lock_init+0x45/0x100
[  235.978411][ T7403]  ? __init_swait_queue_head+0xa9/0x150
[  235.978437][ T7403]  gfs2_sys_fs_add+0x234/0x450
[  235.978459][ T7403]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  235.978484][ T7403]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  235.978518][ T7403]  gfs2_fill_super+0x13c0/0x20d0
[  235.978553][ T7403]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.978582][ T7403]  ? sb_set_blocksize+0x104/0x180
[  235.978612][ T7403]  ? setup_bdev_super+0x4c1/0x5b0
[  235.978643][ T7403]  get_tree_bdev_flags+0x40b/0x4d0
[  235.978672][ T7403]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.978698][ T7403]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  235.978732][ T7403]  gfs2_get_tree+0x51/0x1e0
[  235.978759][ T7403]  vfs_get_tree+0x8f/0x2b0
[  235.978789][ T7403]  do_new_mount+0x2a2/0xa30
[  235.978820][ T7403]  ? ns_capable+0x8a/0xf0
[  235.978848][ T7403]  ? __pfx_do_new_mount+0x10/0x10
[  235.978877][ T7403]  ? path_mount+0x61c/0xfe0
[  235.978906][ T7403]  ? user_path_at+0x44/0x60
[  235.978933][ T7403]  __se_sys_mount+0x317/0x410
[  235.978967][ T7403]  ? __pfx___se_sys_mount+0x10/0x10
[  235.979001][ T7403]  ? rcu_is_watching+0x15/0xb0
[  235.979021][ T7403]  ? __x64_sys_mount+0x20/0xc0
[  235.979053][ T7403]  do_syscall_64+0xfa/0x3b0
[  235.979076][ T7403]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.979096][ T7403]  ? clear_bhb_loop+0x60/0xb0
[  235.979119][ T7403]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.979139][ T7403] RIP: 0033:0x7f7d8299038a
[  235.979158][ T7403] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.979178][ T7403] RSP: 002b:00007f7d838d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.979201][ T7403] RAX: ffffffffffffffda RBX: 00007f7d838d0ef0 RCX: 00007f7d8299038a
[  235.979217][ T7403] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f7d838d0eb0
[  235.979232][ T7403] RBP: 000020000001f680 R08: 00007f7d838d0ef0 R09: 0000000000000084
[  235.979247][ T7403] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  235.979261][ T7403] R13: 00007f7d838d0eb0 R14: 000000000001f790 R15: 00002000000001c0
[  235.979283][ T7403]  </TASK>
[  236.358147][ T7403] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.398286][ T7403] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.476955][ T7405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.488220][ T7405] CPU: 1 UID: 0 PID: 7405 Comm: syz.5.322 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  236.488250][ T7405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  236.488264][ T7405] Call Trace:
[  236.488272][ T7405]  <TASK>
[  236.488281][ T7405]  dump_stack_lvl+0x189/0x250
[  236.488312][ T7405]  ? __pfx_dump_stack_lvl+0x10/0x10
[  236.488337][ T7405]  ? __pfx__printk+0x10/0x10
[  236.488363][ T7405]  ? kernfs_root+0x1c/0x230
[  236.488389][ T7405]  ? kernfs_path_from_node+0x250/0x290
[  236.488411][ T7405]  ? kernfs_path_from_node+0x2f/0x290
[  236.488434][ T7405]  sysfs_create_dir_ns+0x259/0x280
[  236.488457][ T7405]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.488479][ T7405]  ? do_raw_spin_unlock+0x122/0x240
[  236.488507][ T7405]  kobject_add_internal+0x59f/0xb40
[  236.488535][ T7405]  kobject_init_and_add+0x125/0x190
[  236.488559][ T7405]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.488581][ T7405]  ? __raw_spin_lock_init+0x45/0x100
[  236.488607][ T7405]  ? __init_swait_queue_head+0xa9/0x150
[  236.488633][ T7405]  gfs2_sys_fs_add+0x234/0x450
[  236.488655][ T7405]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.488678][ T7405]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.488712][ T7405]  gfs2_fill_super+0x13c0/0x20d0
[  236.488746][ T7405]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.488775][ T7405]  ? sb_set_blocksize+0x104/0x180
[  236.488806][ T7405]  ? setup_bdev_super+0x4c1/0x5b0
[  236.488844][ T7405]  get_tree_bdev_flags+0x40b/0x4d0
[  236.488872][ T7405]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.488898][ T7405]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.488931][ T7405]  gfs2_get_tree+0x51/0x1e0
[  236.488959][ T7405]  vfs_get_tree+0x8f/0x2b0
[  236.488988][ T7405]  do_new_mount+0x2a2/0xa30
[  236.489020][ T7405]  ? ns_capable+0x8a/0xf0
[  236.489045][ T7405]  ? __pfx_do_new_mount+0x10/0x10
[  236.489076][ T7405]  ? path_mount+0x61c/0xfe0
[  236.489104][ T7405]  ? user_path_at+0x44/0x60
[  236.489137][ T7405]  __se_sys_mount+0x317/0x410
[  236.489171][ T7405]  ? __pfx___se_sys_mount+0x10/0x10
[  236.489204][ T7405]  ? rcu_is_watching+0x15/0xb0
[  236.489224][ T7405]  ? __x64_sys_mount+0x20/0xc0
[  236.489256][ T7405]  do_syscall_64+0xfa/0x3b0
[  236.489276][ T7405]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.489297][ T7405]  ? clear_bhb_loop+0x60/0xb0
[  236.489320][ T7405]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.489340][ T7405] RIP: 0033:0x7f3b1d79038a
[  236.489359][ T7405] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.489378][ T7405] RSP: 002b:00007f3b1e65ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.489401][ T7405] RAX: ffffffffffffffda RBX: 00007f3b1e65aef0 RCX: 00007f3b1d79038a
[  236.489418][ T7405] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f3b1e65aeb0
[  236.489433][ T7405] RBP: 000020000001f680 R08: 00007f3b1e65aef0 R09: 0000000000000084
[  236.489447][ T7405] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  236.489461][ T7405] R13: 00007f3b1e65aeb0 R14: 000000000001f790 R15: 00002000000001c0
[  236.489484][ T7405]  </TASK>
[  236.489505][ T7405] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.555909][ T7409] loop2: detected capacity change from 0 to 32768
[  236.628728][ T7405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.852907][ T7409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.888192][ T7409] CPU: 0 UID: 0 PID: 7409 Comm: syz.2.325 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  236.888225][ T7409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  236.888239][ T7409] Call Trace:
[  236.888248][ T7409]  <TASK>
[  236.888258][ T7409]  dump_stack_lvl+0x189/0x250
[  236.888288][ T7409]  ? __pfx_dump_stack_lvl+0x10/0x10
[  236.888312][ T7409]  ? __pfx__printk+0x10/0x10
[  236.888339][ T7409]  ? kernfs_root+0x1c/0x230
[  236.888363][ T7409]  ? kernfs_path_from_node+0x250/0x290
[  236.888387][ T7409]  ? kernfs_path_from_node+0x2f/0x290
[  236.888411][ T7409]  sysfs_create_dir_ns+0x259/0x280
[  236.888434][ T7409]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.888456][ T7409]  ? do_raw_spin_unlock+0x122/0x240
[  236.888485][ T7409]  kobject_add_internal+0x59f/0xb40
[  236.888514][ T7409]  kobject_init_and_add+0x125/0x190
[  236.888539][ T7409]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.888563][ T7409]  ? __raw_spin_lock_init+0x45/0x100
[  236.888588][ T7409]  ? __init_swait_queue_head+0xa9/0x150
[  236.888615][ T7409]  gfs2_sys_fs_add+0x234/0x450
[  236.888650][ T7409]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.888674][ T7409]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.888708][ T7409]  gfs2_fill_super+0x13c0/0x20d0
[  236.888743][ T7409]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.888772][ T7409]  ? sb_set_blocksize+0x104/0x180
[  236.888809][ T7409]  ? setup_bdev_super+0x4c1/0x5b0
[  236.888839][ T7409]  get_tree_bdev_flags+0x40b/0x4d0
[  236.888867][ T7409]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.888893][ T7409]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.888927][ T7409]  gfs2_get_tree+0x51/0x1e0
[  236.888955][ T7409]  vfs_get_tree+0x8f/0x2b0
[  236.888985][ T7409]  do_new_mount+0x2a2/0xa30
[  236.889017][ T7409]  ? ns_capable+0x8a/0xf0
[  236.889038][ T7409]  ? __pfx_do_new_mount+0x10/0x10
[  236.889067][ T7409]  ? path_mount+0x61c/0xfe0
[  236.889095][ T7409]  ? user_path_at+0x44/0x60
[  236.889123][ T7409]  __se_sys_mount+0x317/0x410
[  236.889156][ T7409]  ? __pfx___se_sys_mount+0x10/0x10
[  236.889190][ T7409]  ? rcu_is_watching+0x15/0xb0
[  236.889210][ T7409]  ? __x64_sys_mount+0x20/0xc0
[  236.889241][ T7409]  do_syscall_64+0xfa/0x3b0
[  236.889264][ T7409]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.889284][ T7409]  ? clear_bhb_loop+0x60/0xb0
[  236.889307][ T7409]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.889327][ T7409] RIP: 0033:0x7feae2f9038a
[  236.889346][ T7409] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.889364][ T7409] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.889386][ T7409] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  236.889402][ T7409] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  236.889416][ T7409] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  236.889430][ T7409] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  236.889444][ T7409] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  236.889466][ T7409]  </TASK>
[  236.889488][ T7409] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.213453][ T7409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.372449][ T7407] loop3: detected capacity change from 0 to 32768
[  237.387440][ T7417] loop0: detected capacity change from 0 to 32768
[  237.447101][ T7417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.461878][ T7407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.488440][ T7417] CPU: 1 UID: 0 PID: 7417 Comm: syz.0.326 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  237.488473][ T7417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  237.488496][ T7417] Call Trace:
[  237.488505][ T7417]  <TASK>
[  237.488514][ T7417]  dump_stack_lvl+0x189/0x250
[  237.488561][ T7417]  ? __pfx_dump_stack_lvl+0x10/0x10
[  237.488586][ T7417]  ? __pfx__printk+0x10/0x10
[  237.488611][ T7417]  ? kernfs_root+0x1c/0x230
[  237.488635][ T7417]  ? kernfs_path_from_node+0x250/0x290
[  237.488657][ T7417]  ? kernfs_path_from_node+0x2f/0x290
[  237.488680][ T7417]  sysfs_create_dir_ns+0x259/0x280
[  237.488703][ T7417]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  237.488726][ T7417]  ? do_raw_spin_unlock+0x122/0x240
[  237.488753][ T7417]  kobject_add_internal+0x59f/0xb40
[  237.488781][ T7417]  kobject_init_and_add+0x125/0x190
[  237.488806][ T7417]  ? __pfx_kobject_init_and_add+0x10/0x10
[  237.488829][ T7417]  ? __raw_spin_lock_init+0x45/0x100
[  237.488855][ T7417]  ? __init_swait_queue_head+0xa9/0x150
[  237.488881][ T7417]  gfs2_sys_fs_add+0x234/0x450
[  237.488903][ T7417]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  237.488926][ T7417]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  237.488960][ T7417]  gfs2_fill_super+0x13c0/0x20d0
[  237.488996][ T7417]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.489024][ T7417]  ? sb_set_blocksize+0x104/0x180
[  237.489053][ T7417]  ? setup_bdev_super+0x4c1/0x5b0
[  237.489083][ T7417]  get_tree_bdev_flags+0x40b/0x4d0
[  237.489111][ T7417]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.489137][ T7417]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  237.489169][ T7417]  gfs2_get_tree+0x51/0x1e0
[  237.489196][ T7417]  vfs_get_tree+0x8f/0x2b0
[  237.489225][ T7417]  do_new_mount+0x2a2/0xa30
[  237.489257][ T7417]  ? ns_capable+0x8a/0xf0
[  237.489277][ T7417]  ? __pfx_do_new_mount+0x10/0x10
[  237.489305][ T7417]  ? path_mount+0x61c/0xfe0
[  237.489334][ T7417]  ? user_path_at+0x44/0x60
[  237.489362][ T7417]  __se_sys_mount+0x317/0x410
[  237.489396][ T7417]  ? __pfx___se_sys_mount+0x10/0x10
[  237.489430][ T7417]  ? rcu_is_watching+0x15/0xb0
[  237.489451][ T7417]  ? __x64_sys_mount+0x20/0xc0
[  237.489482][ T7417]  do_syscall_64+0xfa/0x3b0
[  237.489504][ T7417]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.489543][ T7417]  ? clear_bhb_loop+0x60/0xb0
[  237.489566][ T7417]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.489586][ T7417] RIP: 0033:0x7f14da99038a
[  237.489605][ T7417] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.489624][ T7417] RSP: 002b:00007f14db774e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.489647][ T7417] RAX: ffffffffffffffda RBX: 00007f14db774ef0 RCX: 00007f14da99038a
[  237.489663][ T7417] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f14db774eb0
[  237.489677][ T7417] RBP: 000020000001f680 R08: 00007f14db774ef0 R09: 0000000000000084
[  237.489691][ T7417] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  237.489704][ T7417] R13: 00007f14db774eb0 R14: 000000000001f790 R15: 00002000000001c0
[  237.489726][ T7417]  </TASK>
[  237.489752][ T7417] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.499581][ T7407] CPU: 0 UID: 0 PID: 7407 Comm: syz.3.324 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  237.499618][ T7407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  237.499635][ T7407] Call Trace:
[  237.499646][ T7407]  <TASK>
[  237.499656][ T7407]  dump_stack_lvl+0x189/0x250
[  237.499694][ T7407]  ? __pfx_dump_stack_lvl+0x10/0x10
[  237.499722][ T7407]  ? __pfx__printk+0x10/0x10
[  237.499754][ T7407]  ? kernfs_root+0x1c/0x230
[  237.499799][ T7407]  ? kernfs_path_from_node+0x250/0x290
[  237.499825][ T7407]  ? kernfs_path_from_node+0x2f/0x290
[  237.499852][ T7407]  sysfs_create_dir_ns+0x259/0x280
[  237.499879][ T7407]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  237.499905][ T7407]  ? do_raw_spin_unlock+0x122/0x240
[  237.499935][ T7407]  kobject_add_internal+0x59f/0xb40
[  237.499968][ T7407]  kobject_init_and_add+0x125/0x190
[  237.499997][ T7407]  ? __pfx_kobject_init_and_add+0x10/0x10
[  237.500023][ T7407]  ? __raw_spin_lock_init+0x45/0x100
[  237.500051][ T7407]  ? __init_swait_queue_head+0xa9/0x150
[  237.500080][ T7407]  gfs2_sys_fs_add+0x234/0x450
[  237.500105][ T7407]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  237.500130][ T7407]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  237.500169][ T7407]  gfs2_fill_super+0x13c0/0x20d0
[  237.500213][ T7407]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.500246][ T7407]  ? sb_set_blocksize+0x104/0x180
[  237.500280][ T7407]  ? setup_bdev_super+0x4c1/0x5b0
[  237.500314][ T7407]  get_tree_bdev_flags+0x40b/0x4d0
[  237.500346][ T7407]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.500376][ T7407]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  237.500414][ T7407]  gfs2_get_tree+0x51/0x1e0
[  237.500444][ T7407]  vfs_get_tree+0x8f/0x2b0
[  237.500477][ T7407]  do_new_mount+0x2a2/0xa30
[  237.500512][ T7407]  ? ns_capable+0x8a/0xf0
[  237.500613][ T7407]  ? __pfx_do_new_mount+0x10/0x10
[  237.500650][ T7407]  ? path_mount+0x61c/0xfe0
[  237.500683][ T7407]  ? user_path_at+0x44/0x60
[  237.500714][ T7407]  __se_sys_mount+0x317/0x410
[  237.500752][ T7407]  ? __pfx___se_sys_mount+0x10/0x10
[  237.500805][ T7407]  ? rcu_is_watching+0x15/0xb0
[  237.500827][ T7407]  ? __x64_sys_mount+0x20/0xc0
[  237.500862][ T7407]  do_syscall_64+0xfa/0x3b0
[  237.500889][ T7407]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.500911][ T7407]  ? clear_bhb_loop+0x60/0xb0
[  237.500937][ T7407]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.500961][ T7407] RIP: 0033:0x7f9df899038a
[  237.500982][ T7407] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.501002][ T7407] RSP: 002b:00007f9df989be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.501030][ T7407] RAX: ffffffffffffffda RBX: 00007f9df989bef0 RCX: 00007f9df899038a
[  237.501049][ T7407] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9df989beb0
[  237.501066][ T7407] RBP: 000020000001f680 R08: 00007f9df989bef0 R09: 0000000000000084
[  237.501083][ T7407] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  237.501099][ T7407] R13: 00007f9df989beb0 R14: 000000000001f790 R15: 00002000000001c0
[  237.501124][ T7407]  </TASK>
[  237.501158][ T7407] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.501175][ T7407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.188382][ T7417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.628894][ T7421] loop1: detected capacity change from 0 to 32768
[  238.668921][ T7421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.691919][ T7421] CPU: 1 UID: 0 PID: 7421 Comm: syz.1.327 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  238.691952][ T7421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  238.691966][ T7421] Call Trace:
[  238.691975][ T7421]  <TASK>
[  238.691983][ T7421]  dump_stack_lvl+0x189/0x250
[  238.692017][ T7421]  ? __pfx_dump_stack_lvl+0x10/0x10
[  238.692042][ T7421]  ? __pfx__printk+0x10/0x10
[  238.692069][ T7421]  ? kernfs_root+0x1c/0x230
[  238.692094][ T7421]  ? kernfs_path_from_node+0x250/0x290
[  238.692117][ T7421]  ? kernfs_path_from_node+0x2f/0x290
[  238.692142][ T7421]  sysfs_create_dir_ns+0x259/0x280
[  238.692166][ T7421]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  238.692189][ T7421]  ? do_raw_spin_unlock+0x122/0x240
[  238.692217][ T7421]  kobject_add_internal+0x59f/0xb40
[  238.692245][ T7421]  kobject_init_and_add+0x125/0x190
[  238.692271][ T7421]  ? __pfx_kobject_init_and_add+0x10/0x10
[  238.692295][ T7421]  ? __raw_spin_lock_init+0x45/0x100
[  238.692320][ T7421]  ? __init_swait_queue_head+0xa9/0x150
[  238.692347][ T7421]  gfs2_sys_fs_add+0x234/0x450
[  238.692369][ T7421]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  238.692393][ T7421]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  238.692427][ T7421]  gfs2_fill_super+0x13c0/0x20d0
[  238.692462][ T7421]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.692502][ T7421]  ? sb_set_blocksize+0x104/0x180
[  238.692533][ T7421]  ? setup_bdev_super+0x4c1/0x5b0
[  238.692564][ T7421]  get_tree_bdev_flags+0x40b/0x4d0
[  238.692592][ T7421]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.692619][ T7421]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  238.692653][ T7421]  gfs2_get_tree+0x51/0x1e0
[  238.692681][ T7421]  vfs_get_tree+0x8f/0x2b0
[  238.692710][ T7421]  do_new_mount+0x2a2/0xa30
[  238.692743][ T7421]  ? ns_capable+0x8a/0xf0
[  238.692763][ T7421]  ? __pfx_do_new_mount+0x10/0x10
[  238.692793][ T7421]  ? path_mount+0x61c/0xfe0
[  238.692821][ T7421]  ? user_path_at+0x44/0x60
[  238.692849][ T7421]  __se_sys_mount+0x317/0x410
[  238.692883][ T7421]  ? __pfx___se_sys_mount+0x10/0x10
[  238.692916][ T7421]  ? rcu_is_watching+0x15/0xb0
[  238.692937][ T7421]  ? __x64_sys_mount+0x20/0xc0
[  238.692969][ T7421]  do_syscall_64+0xfa/0x3b0
[  238.692991][ T7421]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.693012][ T7421]  ? clear_bhb_loop+0x60/0xb0
[  238.693034][ T7421]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.693055][ T7421] RIP: 0033:0x7f7d8299038a
[  238.693074][ T7421] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.693092][ T7421] RSP: 002b:00007f7d838d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.693114][ T7421] RAX: ffffffffffffffda RBX: 00007f7d838d0ef0 RCX: 00007f7d8299038a
[  238.693129][ T7421] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f7d838d0eb0
[  238.693144][ T7421] RBP: 000020000001f680 R08: 00007f7d838d0ef0 R09: 0000000000000084
[  238.693158][ T7421] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  238.693172][ T7421] R13: 00007f7d838d0eb0 R14: 000000000001f790 R15: 00002000000001c0
[  238.693194][ T7421]  </TASK>
[  238.693215][ T7421] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.051395][ T7423] loop5: detected capacity change from 0 to 32768
[  239.057975][ T7421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.071567][ T7429] loop2: detected capacity change from 0 to 32768
[  239.095577][ T7429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.124532][ T7423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.205590][ T7423] CPU: 1 UID: 0 PID: 7423 Comm: syz.5.328 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  239.205622][ T7423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  239.205637][ T7423] Call Trace:
[  239.205644][ T7423]  <TASK>
[  239.205654][ T7423]  dump_stack_lvl+0x189/0x250
[  239.205685][ T7423]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.205709][ T7423]  ? __pfx__printk+0x10/0x10
[  239.205736][ T7423]  ? kernfs_root+0x1c/0x230
[  239.205760][ T7423]  ? kernfs_path_from_node+0x250/0x290
[  239.205783][ T7423]  ? kernfs_path_from_node+0x2f/0x290
[  239.205807][ T7423]  sysfs_create_dir_ns+0x259/0x280
[  239.205830][ T7423]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  239.205852][ T7423]  ? do_raw_spin_unlock+0x122/0x240
[  239.205879][ T7423]  kobject_add_internal+0x59f/0xb40
[  239.205906][ T7423]  kobject_init_and_add+0x125/0x190
[  239.205932][ T7423]  ? __pfx_kobject_init_and_add+0x10/0x10
[  239.205954][ T7423]  ? __raw_spin_lock_init+0x45/0x100
[  239.205979][ T7423]  ? __init_swait_queue_head+0xa9/0x150
[  239.206005][ T7423]  gfs2_sys_fs_add+0x234/0x450
[  239.206026][ T7423]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  239.206049][ T7423]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  239.206083][ T7423]  gfs2_fill_super+0x13c0/0x20d0
[  239.206117][ T7423]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.206145][ T7423]  ? sb_set_blocksize+0x104/0x180
[  239.206175][ T7423]  ? setup_bdev_super+0x4c1/0x5b0
[  239.206214][ T7423]  get_tree_bdev_flags+0x40b/0x4d0
[  239.206243][ T7423]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.206268][ T7423]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.206301][ T7423]  gfs2_get_tree+0x51/0x1e0
[  239.206328][ T7423]  vfs_get_tree+0x8f/0x2b0
[  239.206356][ T7423]  do_new_mount+0x2a2/0xa30
[  239.206387][ T7423]  ? ns_capable+0x8a/0xf0
[  239.206407][ T7423]  ? __pfx_do_new_mount+0x10/0x10
[  239.206442][ T7423]  ? path_mount+0x61c/0xfe0
[  239.206469][ T7423]  ? user_path_at+0x44/0x60
[  239.206496][ T7423]  __se_sys_mount+0x317/0x410
[  239.206529][ T7423]  ? __pfx___se_sys_mount+0x10/0x10
[  239.206561][ T7423]  ? rcu_is_watching+0x15/0xb0
[  239.206581][ T7423]  ? __x64_sys_mount+0x20/0xc0
[  239.206611][ T7423]  do_syscall_64+0xfa/0x3b0
[  239.206633][ T7423]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.206652][ T7423]  ? clear_bhb_loop+0x60/0xb0
[  239.206675][ T7423]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.206694][ T7423] RIP: 0033:0x7f3b1d79038a
[  239.206712][ T7423] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.206730][ T7423] RSP: 002b:00007f3b1e65ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.206754][ T7423] RAX: ffffffffffffffda RBX: 00007f3b1e65aef0 RCX: 00007f3b1d79038a
[  239.206769][ T7423] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f3b1e65aeb0
[  239.206784][ T7423] RBP: 000020000001f680 R08: 00007f3b1e65aef0 R09: 0000000000000084
[  239.206798][ T7423] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
2025/08/15 22:08:59 executed programs: 325
[  239.206811][ T7423] R13: 00007f3b1e65aeb0 R14: 000000000001f790 R15: 00002000000001c0
[  239.206833][ T7423]  </TASK>
[  239.206855][ T7423] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.227312][ T7429] CPU: 0 UID: 0 PID: 7429 Comm: syz.2.329 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  239.227350][ T7429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  239.227366][ T7429] Call Trace:
[  239.227376][ T7429]  <TASK>
[  239.227386][ T7429]  dump_stack_lvl+0x189/0x250
[  239.227423][ T7429]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.227447][ T7429]  ? __pfx__printk+0x10/0x10
[  239.227470][ T7429]  ? kernfs_root+0x1c/0x230
[  239.227499][ T7429]  ? kernfs_path_from_node+0x250/0x290
[  239.227524][ T7429]  ? kernfs_path_from_node+0x2f/0x290
[  239.227552][ T7429]  sysfs_create_dir_ns+0x259/0x280
[  239.227579][ T7429]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  239.227603][ T7429]  ? do_raw_spin_unlock+0x122/0x240
[  239.227635][ T7429]  kobject_add_internal+0x59f/0xb40
[  239.227667][ T7429]  kobject_init_and_add+0x125/0x190
[  239.227706][ T7429]  ? __pfx_kobject_init_and_add+0x10/0x10
[  239.227732][ T7429]  ? __raw_spin_lock_init+0x45/0x100
[  239.227762][ T7429]  ? __init_swait_queue_head+0xa9/0x150
[  239.227791][ T7429]  gfs2_sys_fs_add+0x234/0x450
[  239.227814][ T7429]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  239.227841][ T7429]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  239.227879][ T7429]  gfs2_fill_super+0x13c0/0x20d0
[  239.227919][ T7429]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.227951][ T7429]  ? sb_set_blocksize+0x104/0x180
[  239.227985][ T7429]  ? setup_bdev_super+0x4c1/0x5b0
[  239.228018][ T7429]  get_tree_bdev_flags+0x40b/0x4d0
[  239.228055][ T7429]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.228086][ T7429]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.228123][ T7429]  gfs2_get_tree+0x51/0x1e0
[  239.228155][ T7429]  vfs_get_tree+0x8f/0x2b0
[  239.228186][ T7429]  do_new_mount+0x2a2/0xa30
[  239.228222][ T7429]  ? ns_capable+0x8a/0xf0
[  239.228243][ T7429]  ? __pfx_do_new_mount+0x10/0x10
[  239.228277][ T7429]  ? path_mount+0x61c/0xfe0
[  239.228307][ T7429]  ? user_path_at+0x44/0x60
[  239.228339][ T7429]  __se_sys_mount+0x317/0x410
[  239.228376][ T7429]  ? __pfx___se_sys_mount+0x10/0x10
[  239.228409][ T7429]  ? rcu_is_watching+0x15/0xb0
[  239.228428][ T7429]  ? __x64_sys_mount+0x20/0xc0
[  239.228458][ T7429]  do_syscall_64+0xfa/0x3b0
[  239.228479][ T7429]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.228499][ T7429]  ? clear_bhb_loop+0x60/0xb0
[  239.228522][ T7429]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.228542][ T7429] RIP: 0033:0x7feae2f9038a
[  239.228559][ T7429] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.228577][ T7429] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.228600][ T7429] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  239.228619][ T7429] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  239.228647][ T7429] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  239.228663][ T7429] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  239.228679][ T7429] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  239.228713][ T7429]  </TASK>
[  239.228851][ T7429] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.316293][ T7423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.433939][ T7431] loop3: detected capacity change from 0 to 32768
[  239.478141][ T7429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.009466][ T7431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.043700][ T7431] CPU: 1 UID: 0 PID: 7431 Comm: syz.3.330 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  240.043726][ T7431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  240.043738][ T7431] Call Trace:
[  240.043745][ T7431]  <TASK>
[  240.043752][ T7431]  dump_stack_lvl+0x189/0x250
[  240.043780][ T7431]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.043800][ T7431]  ? __pfx__printk+0x10/0x10
[  240.043823][ T7431]  ? kernfs_root+0x1c/0x230
[  240.043844][ T7431]  ? kernfs_path_from_node+0x250/0x290
[  240.043862][ T7431]  ? kernfs_path_from_node+0x2f/0x290
[  240.043881][ T7431]  sysfs_create_dir_ns+0x259/0x280
[  240.043900][ T7431]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.043918][ T7431]  ? do_raw_spin_unlock+0x122/0x240
[  240.043940][ T7431]  kobject_add_internal+0x59f/0xb40
[  240.043964][ T7431]  kobject_init_and_add+0x125/0x190
[  240.043984][ T7431]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.044003][ T7431]  ? __raw_spin_lock_init+0x45/0x100
[  240.044023][ T7431]  ? __init_swait_queue_head+0xa9/0x150
[  240.044044][ T7431]  gfs2_sys_fs_add+0x234/0x450
[  240.044062][ T7431]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.044080][ T7431]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.044107][ T7431]  gfs2_fill_super+0x13c0/0x20d0
[  240.044135][ T7431]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.044158][ T7431]  ? sb_set_blocksize+0x104/0x180
[  240.044183][ T7431]  ? setup_bdev_super+0x4c1/0x5b0
[  240.044208][ T7431]  get_tree_bdev_flags+0x40b/0x4d0
[  240.044230][ T7431]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.044256][ T7431]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.044283][ T7431]  gfs2_get_tree+0x51/0x1e0
[  240.044305][ T7431]  vfs_get_tree+0x8f/0x2b0
[  240.044336][ T7431]  do_new_mount+0x2a2/0xa30
[  240.044363][ T7431]  ? ns_capable+0x8a/0xf0
[  240.044379][ T7431]  ? __pfx_do_new_mount+0x10/0x10
[  240.044403][ T7431]  ? path_mount+0x61c/0xfe0
[  240.044425][ T7431]  ? user_path_at+0x44/0x60
[  240.044448][ T7431]  __se_sys_mount+0x317/0x410
[  240.044475][ T7431]  ? __pfx___se_sys_mount+0x10/0x10
[  240.044503][ T7431]  ? rcu_is_watching+0x15/0xb0
[  240.044519][ T7431]  ? __x64_sys_mount+0x20/0xc0
[  240.044545][ T7431]  do_syscall_64+0xfa/0x3b0
[  240.044563][ T7431]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.044581][ T7431]  ? clear_bhb_loop+0x60/0xb0
[  240.044600][ T7431]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.044616][ T7431] RIP: 0033:0x7f9df899038a
[  240.044630][ T7431] 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
[  240.044645][ T7431] RSP: 002b:00007f9df989be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.044663][ T7431] RAX: ffffffffffffffda RBX: 00007f9df989bef0 RCX: 00007f9df899038a
[  240.044676][ T7431] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9df989beb0
[  240.044689][ T7431] RBP: 000020000001f680 R08: 00007f9df989bef0 R09: 0000000000000084
[  240.044700][ T7431] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  240.044711][ T7431] R13: 00007f9df989beb0 R14: 000000000001f790 R15: 00002000000001c0
[  240.044730][ T7431]  </TASK>
[  240.044769][ T7431] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.367043][ T7431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.656831][ T7435] loop0: detected capacity change from 0 to 32768
[  240.700578][ T7435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.708001][ T7435] CPU: 0 UID: 0 PID: 7435 Comm: syz.0.331 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  240.708035][ T7435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  240.708049][ T7435] Call Trace:
[  240.708057][ T7435]  <TASK>
[  240.708065][ T7435]  dump_stack_lvl+0x189/0x250
[  240.708098][ T7435]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.708123][ T7435]  ? __pfx__printk+0x10/0x10
[  240.708150][ T7435]  ? kernfs_root+0x1c/0x230
[  240.708176][ T7435]  ? kernfs_path_from_node+0x250/0x290
[  240.708199][ T7435]  ? kernfs_path_from_node+0x2f/0x290
[  240.708224][ T7435]  sysfs_create_dir_ns+0x259/0x280
[  240.708248][ T7435]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.708271][ T7435]  ? do_raw_spin_unlock+0x122/0x240
[  240.708299][ T7435]  kobject_add_internal+0x59f/0xb40
[  240.708329][ T7435]  kobject_init_and_add+0x125/0x190
[  240.708355][ T7435]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.708379][ T7435]  ? __raw_spin_lock_init+0x45/0x100
[  240.708404][ T7435]  ? __init_swait_queue_head+0xa9/0x150
[  240.708431][ T7435]  gfs2_sys_fs_add+0x234/0x450
[  240.708453][ T7435]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.708478][ T7435]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.708512][ T7435]  gfs2_fill_super+0x13c0/0x20d0
[  240.708546][ T7435]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.708583][ T7435]  ? sb_set_blocksize+0x104/0x180
[  240.708614][ T7435]  ? setup_bdev_super+0x4c1/0x5b0
[  240.708644][ T7435]  get_tree_bdev_flags+0x40b/0x4d0
[  240.708672][ T7435]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.708699][ T7435]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.708733][ T7435]  gfs2_get_tree+0x51/0x1e0
[  240.708759][ T7435]  vfs_get_tree+0x8f/0x2b0
[  240.708788][ T7435]  do_new_mount+0x2a2/0xa30
[  240.708820][ T7435]  ? ns_capable+0x8a/0xf0
[  240.708840][ T7435]  ? __pfx_do_new_mount+0x10/0x10
[  240.708869][ T7435]  ? path_mount+0x61c/0xfe0
[  240.708898][ T7435]  ? user_path_at+0x44/0x60
[  240.708926][ T7435]  __se_sys_mount+0x317/0x410
[  240.708959][ T7435]  ? __pfx___se_sys_mount+0x10/0x10
[  240.708992][ T7435]  ? rcu_is_watching+0x15/0xb0
[  240.709012][ T7435]  ? __x64_sys_mount+0x20/0xc0
[  240.709044][ T7435]  do_syscall_64+0xfa/0x3b0
[  240.709066][ T7435]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.709087][ T7435]  ? clear_bhb_loop+0x60/0xb0
[  240.709109][ T7435]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.709130][ T7435] RIP: 0033:0x7f14da99038a
[  240.709147][ T7435] 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
[  240.709167][ T7435] RSP: 002b:00007f14db774e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.709190][ T7435] RAX: ffffffffffffffda RBX: 00007f14db774ef0 RCX: 00007f14da99038a
[  240.709206][ T7435] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f14db774eb0
[  240.709221][ T7435] RBP: 000020000001f680 R08: 00007f14db774ef0 R09: 0000000000000084
[  240.709235][ T7435] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  240.709249][ T7435] R13: 00007f14db774eb0 R14: 000000000001f790 R15: 00002000000001c0
[  240.709272][ T7435]  </TASK>
[  241.176557][ T7443] loop2: detected capacity change from 0 to 32768
[  241.186434][ T7441] loop1: detected capacity change from 0 to 32768
[  241.227347][ T7435] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.271577][ T7441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.324315][ T7443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.331896][ T7441] CPU: 1 UID: 0 PID: 7441 Comm: syz.1.332 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  241.331928][ T7441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  241.331942][ T7441] Call Trace:
[  241.331951][ T7441]  <TASK>
[  241.331959][ T7441]  dump_stack_lvl+0x189/0x250
[  241.331992][ T7441]  ? __pfx_dump_stack_lvl+0x10/0x10
[  241.332017][ T7441]  ? __pfx__printk+0x10/0x10
[  241.332042][ T7441]  ? kernfs_root+0x1c/0x230
[  241.332067][ T7441]  ? kernfs_path_from_node+0x250/0x290
[  241.332089][ T7441]  ? kernfs_path_from_node+0x2f/0x290
[  241.332112][ T7441]  sysfs_create_dir_ns+0x259/0x280
[  241.332135][ T7441]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.332157][ T7441]  ? do_raw_spin_unlock+0x122/0x240
[  241.332184][ T7441]  kobject_add_internal+0x59f/0xb40
[  241.332211][ T7441]  kobject_init_and_add+0x125/0x190
[  241.332235][ T7441]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.332257][ T7441]  ? __raw_spin_lock_init+0x45/0x100
[  241.332292][ T7441]  ? __init_swait_queue_head+0xa9/0x150
[  241.332318][ T7441]  gfs2_sys_fs_add+0x234/0x450
[  241.332338][ T7441]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.332360][ T7441]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.332392][ T7441]  gfs2_fill_super+0x13c0/0x20d0
[  241.332425][ T7441]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.332453][ T7441]  ? sb_set_blocksize+0x104/0x180
[  241.332481][ T7441]  ? setup_bdev_super+0x4c1/0x5b0
[  241.332510][ T7441]  get_tree_bdev_flags+0x40b/0x4d0
[  241.332536][ T7441]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.332562][ T7441]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.332594][ T7441]  gfs2_get_tree+0x51/0x1e0
[  241.332624][ T7441]  vfs_get_tree+0x8f/0x2b0
[  241.332651][ T7441]  do_new_mount+0x2a2/0xa30
[  241.332685][ T7441]  ? ns_capable+0x8a/0xf0
[  241.332704][ T7441]  ? __pfx_do_new_mount+0x10/0x10
[  241.332732][ T7441]  ? path_mount+0x61c/0xfe0
[  241.332759][ T7441]  ? user_path_at+0x44/0x60
[  241.332785][ T7441]  __se_sys_mount+0x317/0x410
[  241.332816][ T7441]  ? __pfx___se_sys_mount+0x10/0x10
[  241.332847][ T7441]  ? rcu_is_watching+0x15/0xb0
[  241.332867][ T7441]  ? __x64_sys_mount+0x20/0xc0
[  241.332896][ T7441]  do_syscall_64+0xfa/0x3b0
[  241.332917][ T7441]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.332936][ T7441]  ? clear_bhb_loop+0x60/0xb0
[  241.332958][ T7441]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.332976][ T7441] RIP: 0033:0x7f7d8299038a
[  241.332993][ T7441] 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
[  241.333012][ T7441] RSP: 002b:00007f7d838d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.333035][ T7441] RAX: ffffffffffffffda RBX: 00007f7d838d0ef0 RCX: 00007f7d8299038a
[  241.333051][ T7441] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f7d838d0eb0
[  241.333065][ T7441] RBP: 000020000001f680 R08: 00007f7d838d0ef0 R09: 0000000000000084
[  241.333079][ T7441] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  241.333093][ T7441] R13: 00007f7d838d0eb0 R14: 000000000001f790 R15: 00002000000001c0
[  241.333114][ T7441]  </TASK>
[  241.333136][ T7441] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.448819][ T7435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.452826][ T7443] CPU: 1 UID: 0 PID: 7443 Comm: syz.2.333 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  241.452861][ T7443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  241.452877][ T7443] Call Trace:
[  241.452887][ T7443]  <TASK>
[  241.452898][ T7443]  dump_stack_lvl+0x189/0x250
[  241.452934][ T7443]  ? __pfx_dump_stack_lvl+0x10/0x10
[  241.452962][ T7443]  ? __pfx__printk+0x10/0x10
[  241.452993][ T7443]  ? kernfs_root+0x1c/0x230
[  241.453023][ T7443]  ? kernfs_path_from_node+0x250/0x290
[  241.453047][ T7443]  ? kernfs_path_from_node+0x2f/0x290
[  241.453075][ T7443]  sysfs_create_dir_ns+0x259/0x280
[  241.453102][ T7443]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.453129][ T7443]  ? do_raw_spin_unlock+0x122/0x240
[  241.453161][ T7443]  kobject_add_internal+0x59f/0xb40
[  241.453193][ T7443]  kobject_init_and_add+0x125/0x190
[  241.453222][ T7443]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.453248][ T7443]  ? __raw_spin_lock_init+0x45/0x100
[  241.453272][ T7443]  ? __init_swait_queue_head+0xa9/0x150
[  241.453295][ T7443]  gfs2_sys_fs_add+0x234/0x450
[  241.453321][ T7443]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.453348][ T7443]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.453386][ T7443]  gfs2_fill_super+0x13c0/0x20d0
[  241.453424][ T7443]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.453456][ T7443]  ? sb_set_blocksize+0x104/0x180
[  241.453491][ T7443]  ? setup_bdev_super+0x4c1/0x5b0
[  241.453554][ T7443]  get_tree_bdev_flags+0x40b/0x4d0
[  241.453585][ T7443]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.453616][ T7443]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.453654][ T7443]  gfs2_get_tree+0x51/0x1e0
[  241.453685][ T7443]  vfs_get_tree+0x8f/0x2b0
[  241.453718][ T7443]  do_new_mount+0x2a2/0xa30
[  241.453755][ T7443]  ? ns_capable+0x8a/0xf0
[  241.453777][ T7443]  ? __pfx_do_new_mount+0x10/0x10
[  241.453810][ T7443]  ? path_mount+0x61c/0xfe0
[  241.453842][ T7443]  ? user_path_at+0x44/0x60
[  241.453874][ T7443]  __se_sys_mount+0x317/0x410
[  241.453913][ T7443]  ? __pfx___se_sys_mount+0x10/0x10
[  241.453951][ T7443]  ? rcu_is_watching+0x15/0xb0
[  241.453972][ T7443]  ? __x64_sys_mount+0x20/0xc0
[  241.454008][ T7443]  do_syscall_64+0xfa/0x3b0
[  241.454033][ T7443]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.454058][ T7443]  ? clear_bhb_loop+0x60/0xb0
[  241.454085][ T7443]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.454110][ T7443] RIP: 0033:0x7feae2f9038a
[  241.454132][ T7443] 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
[  241.454153][ T7443] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.454180][ T7443] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  241.454199][ T7443] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  241.454217][ T7443] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  241.454234][ T7443] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  241.454249][ T7443] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  241.454274][ T7443]  </TASK>
[  241.454306][ T7443] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.615175][ T7441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.643272][ T7443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.872720][ T7447] loop5: detected capacity change from 0 to 32768
[  242.146722][ T7447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.196046][ T7447] CPU: 1 UID: 0 PID: 7447 Comm: syz.5.334 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  242.196077][ T7447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  242.196091][ T7447] Call Trace:
[  242.196099][ T7447]  <TASK>
[  242.196109][ T7447]  dump_stack_lvl+0x189/0x250
[  242.196140][ T7447]  ? __pfx_dump_stack_lvl+0x10/0x10
[  242.196165][ T7447]  ? __pfx__printk+0x10/0x10
[  242.196201][ T7447]  ? kernfs_root+0x1c/0x230
[  242.196226][ T7447]  ? kernfs_path_from_node+0x250/0x290
[  242.196248][ T7447]  ? kernfs_path_from_node+0x2f/0x290
[  242.196272][ T7447]  sysfs_create_dir_ns+0x259/0x280
[  242.196294][ T7447]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  242.196334][ T7447]  ? do_raw_spin_unlock+0x122/0x240
[  242.196361][ T7447]  kobject_add_internal+0x59f/0xb40
[  242.196390][ T7447]  kobject_init_and_add+0x125/0x190
[  242.196416][ T7447]  ? __pfx_kobject_init_and_add+0x10/0x10
[  242.196448][ T7447]  ? __raw_spin_lock_init+0x45/0x100
[  242.196473][ T7447]  ? __init_swait_queue_head+0xa9/0x150
[  242.196500][ T7447]  gfs2_sys_fs_add+0x234/0x450
[  242.196522][ T7447]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  242.196547][ T7447]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  242.196580][ T7447]  gfs2_fill_super+0x13c0/0x20d0
[  242.196615][ T7447]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.196643][ T7447]  ? sb_set_blocksize+0x104/0x180
[  242.196674][ T7447]  ? setup_bdev_super+0x4c1/0x5b0
[  242.196703][ T7447]  get_tree_bdev_flags+0x40b/0x4d0
[  242.196731][ T7447]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.196757][ T7447]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  242.196791][ T7447]  gfs2_get_tree+0x51/0x1e0
[  242.196819][ T7447]  vfs_get_tree+0x8f/0x2b0
[  242.196848][ T7447]  do_new_mount+0x2a2/0xa30
[  242.196879][ T7447]  ? ns_capable+0x8a/0xf0
[  242.196899][ T7447]  ? __pfx_do_new_mount+0x10/0x10
[  242.196928][ T7447]  ? path_mount+0x61c/0xfe0
[  242.196956][ T7447]  ? user_path_at+0x44/0x60
[  242.196984][ T7447]  __se_sys_mount+0x317/0x410
[  242.197018][ T7447]  ? __pfx___se_sys_mount+0x10/0x10
[  242.197052][ T7447]  ? rcu_is_watching+0x15/0xb0
[  242.197072][ T7447]  ? __x64_sys_mount+0x20/0xc0
[  242.197103][ T7447]  do_syscall_64+0xfa/0x3b0
[  242.197125][ T7447]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.197146][ T7447]  ? clear_bhb_loop+0x60/0xb0
[  242.197169][ T7447]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.197198][ T7447] RIP: 0033:0x7f3b1d79038a
[  242.197216][ T7447] 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
[  242.197235][ T7447] RSP: 002b:00007f3b1e65ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.197258][ T7447] RAX: ffffffffffffffda RBX: 00007f3b1e65aef0 RCX: 00007f3b1d79038a
[  242.197274][ T7447] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f3b1e65aeb0
[  242.197289][ T7447] RBP: 000020000001f680 R08: 00007f3b1e65aef0 R09: 0000000000000084
[  242.197303][ T7447] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  242.197316][ T7447] R13: 00007f3b1e65aeb0 R14: 000000000001f790 R15: 00002000000001c0
[  242.197339][ T7447]  </TASK>
[  242.268311][ T7447] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.380778][ T5186] Bluetooth: hci0: command 0x0406 tx timeout
[  242.468015][ T7447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.595853][ T7451] loop3: detected capacity change from 0 to 32768
[  242.641801][ T7451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.698292][ T7451] CPU: 1 UID: 0 PID: 7451 Comm: syz.3.335 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  242.698323][ T7451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  242.698338][ T7451] Call Trace:
[  242.698346][ T7451]  <TASK>
[  242.698356][ T7451]  dump_stack_lvl+0x189/0x250
[  242.698387][ T7451]  ? __pfx_dump_stack_lvl+0x10/0x10
[  242.698412][ T7451]  ? __pfx__printk+0x10/0x10
[  242.698439][ T7451]  ? kernfs_root+0x1c/0x230
[  242.698464][ T7451]  ? kernfs_path_from_node+0x250/0x290
[  242.698486][ T7451]  ? kernfs_path_from_node+0x2f/0x290
[  242.698511][ T7451]  sysfs_create_dir_ns+0x259/0x280
[  242.698534][ T7451]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  242.698557][ T7451]  ? do_raw_spin_unlock+0x122/0x240
[  242.698585][ T7451]  kobject_add_internal+0x59f/0xb40
[  242.698613][ T7451]  kobject_init_and_add+0x125/0x190
[  242.698638][ T7451]  ? __pfx_kobject_init_and_add+0x10/0x10
[  242.698661][ T7451]  ? __raw_spin_lock_init+0x45/0x100
[  242.698687][ T7451]  ? __init_swait_queue_head+0xa9/0x150
[  242.698712][ T7451]  gfs2_sys_fs_add+0x234/0x450
[  242.698734][ T7451]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  242.698757][ T7451]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  242.698791][ T7451]  gfs2_fill_super+0x13c0/0x20d0
[  242.698826][ T7451]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.698854][ T7451]  ? sb_set_blocksize+0x104/0x180
[  242.698884][ T7451]  ? setup_bdev_super+0x4c1/0x5b0
[  242.698914][ T7451]  get_tree_bdev_flags+0x40b/0x4d0
[  242.698942][ T7451]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.698969][ T7451]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  242.699003][ T7451]  gfs2_get_tree+0x51/0x1e0
[  242.699031][ T7451]  vfs_get_tree+0x8f/0x2b0
[  242.699060][ T7451]  do_new_mount+0x2a2/0xa30
[  242.699093][ T7451]  ? ns_capable+0x8a/0xf0
[  242.699112][ T7451]  ? __pfx_do_new_mount+0x10/0x10
[  242.699155][ T7451]  ? path_mount+0x61c/0xfe0
[  242.699183][ T7451]  ? user_path_at+0x44/0x60
[  242.699209][ T7451]  __se_sys_mount+0x317/0x410
[  242.699242][ T7451]  ? __pfx___se_sys_mount+0x10/0x10
[  242.699276][ T7451]  ? rcu_is_watching+0x15/0xb0
[  242.699296][ T7451]  ? __x64_sys_mount+0x20/0xc0
[  242.699326][ T7451]  do_syscall_64+0xfa/0x3b0
[  242.699349][ T7451]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.699370][ T7451]  ? clear_bhb_loop+0x60/0xb0
[  242.699392][ T7451]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.699412][ T7451] RIP: 0033:0x7f9df899038a
[  242.699430][ T7451] 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
[  242.699449][ T7451] RSP: 002b:00007f9df989be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.699473][ T7451] RAX: ffffffffffffffda RBX: 00007f9df989bef0 RCX: 00007f9df899038a
[  242.699489][ T7451] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9df989beb0
[  242.699504][ T7451] RBP: 000020000001f680 R08: 00007f9df989bef0 R09: 0000000000000084
[  242.699518][ T7451] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  242.699531][ T7451] R13: 00007f9df989beb0 R14: 000000000001f790 R15: 00002000000001c0
[  242.699555][ T7451]  </TASK>
[  242.699576][ T7451] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.041711][ T7451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.639711][ T7463] loop0: detected capacity change from 0 to 32768
[  243.683023][ T7463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.693179][ T7459] loop2: detected capacity change from 0 to 32768
[  243.699791][ T7463] CPU: 1 UID: 0 PID: 7463 Comm: syz.0.336 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  243.699822][ T7463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  243.699836][ T7463] Call Trace:
[  243.699845][ T7463]  <TASK>
[  243.699853][ T7463]  dump_stack_lvl+0x189/0x250
[  243.699892][ T7463]  ? __pfx_dump_stack_lvl+0x10/0x10
[  243.699916][ T7463]  ? __pfx__printk+0x10/0x10
[  243.699948][ T7463]  ? kernfs_root+0x1c/0x230
[  243.699974][ T7463]  ? kernfs_path_from_node+0x250/0x290
[  243.699996][ T7463]  ? kernfs_path_from_node+0x2f/0x290
[  243.700021][ T7463]  sysfs_create_dir_ns+0x259/0x280
[  243.700045][ T7463]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.700071][ T7463]  ? do_raw_spin_unlock+0x122/0x240
[  243.700100][ T7463]  kobject_add_internal+0x59f/0xb40
[  243.700128][ T7463]  kobject_init_and_add+0x125/0x190
[  243.700154][ T7463]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.700177][ T7463]  ? __raw_spin_lock_init+0x45/0x100
[  243.700202][ T7463]  ? __init_swait_queue_head+0xa9/0x150
[  243.700229][ T7463]  gfs2_sys_fs_add+0x234/0x450
[  243.700250][ T7463]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.700271][ T7463]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.700304][ T7463]  gfs2_fill_super+0x13c0/0x20d0
[  243.700345][ T7463]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.700373][ T7463]  ? sb_set_blocksize+0x104/0x180
[  243.700403][ T7463]  ? setup_bdev_super+0x4c1/0x5b0
[  243.700431][ T7463]  get_tree_bdev_flags+0x40b/0x4d0
[  243.700460][ T7463]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.700486][ T7463]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.700518][ T7463]  gfs2_get_tree+0x51/0x1e0
[  243.700544][ T7463]  vfs_get_tree+0x8f/0x2b0
[  243.700571][ T7463]  do_new_mount+0x2a2/0xa30
[  243.700601][ T7463]  ? ns_capable+0x8a/0xf0
[  243.700621][ T7463]  ? __pfx_do_new_mount+0x10/0x10
[  243.700651][ T7463]  ? path_mount+0x61c/0xfe0
[  243.700678][ T7463]  ? user_path_at+0x44/0x60
[  243.700707][ T7463]  __se_sys_mount+0x317/0x410
[  243.700740][ T7463]  ? __pfx___se_sys_mount+0x10/0x10
[  243.700773][ T7463]  ? rcu_is_watching+0x15/0xb0
[  243.700793][ T7463]  ? __x64_sys_mount+0x20/0xc0
[  243.700824][ T7463]  do_syscall_64+0xfa/0x3b0
[  243.700847][ T7463]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.700867][ T7463]  ? clear_bhb_loop+0x60/0xb0
[  243.700890][ T7463]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.700910][ T7463] RIP: 0033:0x7f14da99038a
[  243.700929][ T7463] 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
[  243.700948][ T7463] RSP: 002b:00007f14db774e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.700972][ T7463] RAX: ffffffffffffffda RBX: 00007f14db774ef0 RCX: 00007f14da99038a
[  243.700988][ T7463] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f14db774eb0
[  243.701003][ T7463] RBP: 000020000001f680 R08: 00007f14db774ef0 R09: 0000000000000084
[  243.701017][ T7463] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  243.701031][ T7463] R13: 00007f14db774eb0 R14: 000000000001f790 R15: 00002000000001c0
[  243.701053][ T7463]  </TASK>
[  243.701241][ T7463] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.896864][ T7465] loop1: detected capacity change from 0 to 32768
[  244.029445][ T7463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.085753][ T7459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.091417][ T7467] loop5: detected capacity change from 0 to 32768
[  244.093302][ T7459] CPU: 1 UID: 0 PID: 7459 Comm: syz.2.337 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  244.093334][ T7459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  244.093351][ T7459] Call Trace:
[  244.093360][ T7459]  <TASK>
[  244.093369][ T7459]  dump_stack_lvl+0x189/0x250
[  244.093412][ T7459]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.093439][ T7459]  ? __pfx__printk+0x10/0x10
[  244.093470][ T7459]  ? kernfs_root+0x1c/0x230
[  244.093498][ T7459]  ? kernfs_path_from_node+0x250/0x290
[  244.093524][ T7459]  ? kernfs_path_from_node+0x2f/0x290
[  244.093551][ T7459]  sysfs_create_dir_ns+0x259/0x280
[  244.093577][ T7459]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.093602][ T7459]  ? do_raw_spin_unlock+0x122/0x240
[  244.093634][ T7459]  kobject_add_internal+0x59f/0xb40
[  244.093665][ T7459]  kobject_init_and_add+0x125/0x190
[  244.093693][ T7459]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.093719][ T7459]  ? __raw_spin_lock_init+0x45/0x100
[  244.093747][ T7459]  ? __init_swait_queue_head+0xa9/0x150
[  244.093776][ T7459]  gfs2_sys_fs_add+0x234/0x450
[  244.093800][ T7459]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.093827][ T7459]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.093864][ T7459]  gfs2_fill_super+0x13c0/0x20d0
[  244.093902][ T7459]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.093933][ T7459]  ? sb_set_blocksize+0x104/0x180
[  244.093968][ T7459]  ? setup_bdev_super+0x4c1/0x5b0
[  244.094003][ T7459]  get_tree_bdev_flags+0x40b/0x4d0
[  244.094033][ T7459]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.094064][ T7459]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.094101][ T7459]  gfs2_get_tree+0x51/0x1e0
[  244.094142][ T7459]  vfs_get_tree+0x8f/0x2b0
[  244.094175][ T7459]  do_new_mount+0x2a2/0xa30
[  244.094209][ T7459]  ? ns_capable+0x8a/0xf0
[  244.094232][ T7459]  ? __pfx_do_new_mount+0x10/0x10
[  244.094264][ T7459]  ? path_mount+0x61c/0xfe0
[  244.094296][ T7459]  ? user_path_at+0x44/0x60
[  244.094326][ T7459]  __se_sys_mount+0x317/0x410
[  244.094364][ T7459]  ? __pfx___se_sys_mount+0x10/0x10
[  244.094401][ T7459]  ? rcu_is_watching+0x15/0xb0
[  244.094422][ T7459]  ? __x64_sys_mount+0x20/0xc0
[  244.094457][ T7459]  do_syscall_64+0xfa/0x3b0
[  244.094480][ T7459]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.094505][ T7459]  ? clear_bhb_loop+0x60/0xb0
[  244.094530][ T7459]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.094552][ T7459] RIP: 0033:0x7feae2f9038a
[  244.094572][ T7459] 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
[  244.094595][ T7459] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.094619][ T7459] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  244.094637][ T7459] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  244.094656][ T7459] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  244.094673][ T7459] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  244.094689][ T7459] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.094721][ T7459]  </TASK>
[  244.094861][ T7459] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.428231][ T7459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.449767][ T7467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.465322][ T7469] loop3: detected capacity change from 0 to 32768
[  244.477865][ T7465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.498438][ T7469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.529186][ T7467] CPU: 0 UID: 0 PID: 7467 Comm: syz.5.339 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  244.529217][ T7467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  244.529232][ T7467] Call Trace:
[  244.529241][ T7467]  <TASK>
[  244.529250][ T7467]  dump_stack_lvl+0x189/0x250
[  244.529283][ T7467]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.529308][ T7467]  ? __pfx__printk+0x10/0x10
[  244.529344][ T7467]  ? kernfs_root+0x1c/0x230
[  244.529370][ T7467]  ? kernfs_path_from_node+0x250/0x290
[  244.529392][ T7467]  ? kernfs_path_from_node+0x2f/0x290
[  244.529416][ T7467]  sysfs_create_dir_ns+0x259/0x280
[  244.529439][ T7467]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.529461][ T7467]  ? do_raw_spin_unlock+0x122/0x240
[  244.529487][ T7467]  kobject_add_internal+0x59f/0xb40
[  244.529514][ T7467]  kobject_init_and_add+0x125/0x190
[  244.529538][ T7467]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.529561][ T7467]  ? __raw_spin_lock_init+0x45/0x100
[  244.529586][ T7467]  ? __init_swait_queue_head+0xa9/0x150
[  244.529612][ T7467]  gfs2_sys_fs_add+0x234/0x450
[  244.529633][ T7467]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.529657][ T7467]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.529691][ T7467]  gfs2_fill_super+0x13c0/0x20d0
[  244.529725][ T7467]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.529753][ T7467]  ? sb_set_blocksize+0x104/0x180
[  244.529783][ T7467]  ? setup_bdev_super+0x4c1/0x5b0
[  244.529812][ T7467]  get_tree_bdev_flags+0x40b/0x4d0
[  244.529841][ T7467]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.529868][ T7467]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.529901][ T7467]  gfs2_get_tree+0x51/0x1e0
[  244.529929][ T7467]  vfs_get_tree+0x8f/0x2b0
[  244.529958][ T7467]  do_new_mount+0x2a2/0xa30
[  244.529989][ T7467]  ? ns_capable+0x8a/0xf0
[  244.530009][ T7467]  ? __pfx_do_new_mount+0x10/0x10
[  244.530038][ T7467]  ? path_mount+0x61c/0xfe0
[  244.530066][ T7467]  ? user_path_at+0x44/0x60
[  244.530094][ T7467]  __se_sys_mount+0x317/0x410
[  244.530127][ T7467]  ? __pfx___se_sys_mount+0x10/0x10
[  244.530161][ T7467]  ? rcu_is_watching+0x15/0xb0
[  244.530182][ T7467]  ? __x64_sys_mount+0x20/0xc0
[  244.530213][ T7467]  do_syscall_64+0xfa/0x3b0
[  244.530235][ T7467]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.530255][ T7467]  ? clear_bhb_loop+0x60/0xb0
[  244.530278][ T7467]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.530298][ T7467] RIP: 0033:0x7f3b1d79038a
[  244.530317][ T7467] 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
[  244.530350][ T7467] RSP: 002b:00007f3b1e65ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.530372][ T7467] RAX: ffffffffffffffda RBX: 00007f3b1e65aef0 RCX: 00007f3b1d79038a
[  244.530387][ T7467] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f3b1e65aeb0
[  244.530402][ T7467] RBP: 000020000001f680 R08: 00007f3b1e65aef0 R09: 0000000000000084
[  244.530416][ T7467] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  244.530430][ T7467] R13: 00007f3b1e65aeb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.530453][ T7467]  </TASK>
[  244.530502][ T7467] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.562389][ T7465] CPU: 1 UID: 0 PID: 7465 Comm: syz.1.338 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  244.562424][ T7465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  244.562439][ T7465] Call Trace:
[  244.562448][ T7465]  <TASK>
[  244.562459][ T7465]  dump_stack_lvl+0x189/0x250
[  244.562492][ T7465]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.562520][ T7465]  ? __pfx__printk+0x10/0x10
[  244.562550][ T7465]  ? kernfs_root+0x1c/0x230
[  244.562578][ T7465]  ? kernfs_path_from_node+0x250/0x290
[  244.562601][ T7465]  ? kernfs_path_from_node+0x2f/0x290
[  244.562628][ T7465]  sysfs_create_dir_ns+0x259/0x280
[  244.562653][ T7465]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.562678][ T7465]  ? do_raw_spin_unlock+0x122/0x240
[  244.562710][ T7465]  kobject_add_internal+0x59f/0xb40
[  244.562741][ T7465]  kobject_init_and_add+0x125/0x190
[  244.562768][ T7465]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.562793][ T7465]  ? __raw_spin_lock_init+0x45/0x100
[  244.562821][ T7465]  ? __init_swait_queue_head+0xa9/0x150
[  244.562851][ T7465]  gfs2_sys_fs_add+0x234/0x450
[  244.562874][ T7465]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.562900][ T7465]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.562936][ T7465]  gfs2_fill_super+0x13c0/0x20d0
[  244.562975][ T7465]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.563005][ T7465]  ? sb_set_blocksize+0x104/0x180
[  244.563037][ T7465]  ? setup_bdev_super+0x4c1/0x5b0
[  244.563070][ T7465]  get_tree_bdev_flags+0x40b/0x4d0
[  244.563100][ T7465]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.563127][ T7465]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.563162][ T7465]  gfs2_get_tree+0x51/0x1e0
[  244.563193][ T7465]  vfs_get_tree+0x8f/0x2b0
[  244.563225][ T7465]  do_new_mount+0x2a2/0xa30
[  244.563260][ T7465]  ? ns_capable+0x8a/0xf0
[  244.563290][ T7465]  ? __pfx_do_new_mount+0x10/0x10
[  244.563320][ T7465]  ? path_mount+0x61c/0xfe0
[  244.563352][ T7465]  ? user_path_at+0x44/0x60
[  244.563381][ T7465]  __se_sys_mount+0x317/0x410
[  244.563417][ T7465]  ? __pfx___se_sys_mount+0x10/0x10
[  244.563452][ T7465]  ? rcu_is_watching+0x15/0xb0
[  244.563475][ T7465]  ? __x64_sys_mount+0x20/0xc0
[  244.563508][ T7465]  do_syscall_64+0xfa/0x3b0
[  244.563532][ T7465]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.563553][ T7465]  ? clear_bhb_loop+0x60/0xb0
[  244.563578][ T7465]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.563601][ T7465] RIP: 0033:0x7f7d8299038a
2025/08/15 22:09:04 executed programs: 334
[  244.563620][ T7465] 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
[  244.563639][ T7465] RSP: 002b:00007f7d838d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.563665][ T7465] RAX: ffffffffffffffda RBX: 00007f7d838d0ef0 RCX: 00007f7d8299038a
[  244.563683][ T7465] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f7d838d0eb0
[  244.563700][ T7465] RBP: 000020000001f680 R08: 00007f7d838d0ef0 R09: 0000000000000084
[  244.563714][ T7465] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  244.563730][ T7465] R13: 00007f7d838d0eb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.563755][ T7465]  </TASK>
[  244.563777][ T7465] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.593694][ T7467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.597088][ T7469] CPU: 1 UID: 0 PID: 7469 Comm: syz.3.340 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  244.597121][ T7469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  244.597137][ T7469] Call Trace:
[  244.597148][ T7469]  <TASK>
[  244.597159][ T7469]  dump_stack_lvl+0x189/0x250
[  244.597197][ T7469]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.597225][ T7469]  ? __pfx__printk+0x10/0x10
[  244.597257][ T7469]  ? kernfs_root+0x1c/0x230
[  244.597285][ T7469]  ? kernfs_path_from_node+0x250/0x290
[  244.597310][ T7469]  ? kernfs_path_from_node+0x2f/0x290
[  244.597338][ T7469]  sysfs_create_dir_ns+0x259/0x280
[  244.597365][ T7469]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.597391][ T7469]  ? do_raw_spin_unlock+0x122/0x240
[  244.597422][ T7469]  kobject_add_internal+0x59f/0xb40
[  244.597454][ T7469]  kobject_init_and_add+0x125/0x190
[  244.597483][ T7469]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.597507][ T7469]  ? __raw_spin_lock_init+0x45/0x100
[  244.597536][ T7469]  ? __init_swait_queue_head+0xa9/0x150
[  244.597567][ T7469]  gfs2_sys_fs_add+0x234/0x450
[  244.597590][ T7469]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.597617][ T7469]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.597657][ T7469]  gfs2_fill_super+0x13c0/0x20d0
[  244.597695][ T7469]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.597727][ T7469]  ? sb_set_blocksize+0x104/0x180
[  244.597762][ T7469]  ? setup_bdev_super+0x4c1/0x5b0
[  244.597795][ T7469]  get_tree_bdev_flags+0x40b/0x4d0
[  244.597826][ T7469]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.597857][ T7469]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.597894][ T7469]  gfs2_get_tree+0x51/0x1e0
[  244.597924][ T7469]  vfs_get_tree+0x8f/0x2b0
[  244.597956][ T7469]  do_new_mount+0x2a2/0xa30
[  244.597991][ T7469]  ? ns_capable+0x8a/0xf0
[  244.598032][ T7469]  ? __pfx_do_new_mount+0x10/0x10
[  244.598065][ T7469]  ? path_mount+0x61c/0xfe0
[  244.598095][ T7469]  ? user_path_at+0x44/0x60
[  244.598127][ T7469]  __se_sys_mount+0x317/0x410
[  244.598164][ T7469]  ? __pfx___se_sys_mount+0x10/0x10
[  244.598201][ T7469]  ? rcu_is_watching+0x15/0xb0
[  244.598223][ T7469]  ? __x64_sys_mount+0x20/0xc0
[  244.598258][ T7469]  do_syscall_64+0xfa/0x3b0
[  244.598282][ T7469]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.598307][ T7469]  ? clear_bhb_loop+0x60/0xb0
[  244.598332][ T7469]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.598354][ T7469] RIP: 0033:0x7f9df899038a
[  244.598375][ T7469] 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
[  244.598397][ T7469] RSP: 002b:00007f9df989be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.598420][ T7469] RAX: ffffffffffffffda RBX: 00007f9df989bef0 RCX: 00007f9df899038a
[  244.598438][ T7469] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9df989beb0
[  244.598456][ T7469] RBP: 000020000001f680 R08: 00007f9df989bef0 R09: 0000000000000084
[  244.598473][ T7469] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  244.598489][ T7469] R13: 00007f9df989beb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.598515][ T7469]  </TASK>
[  244.613827][ T7469] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.636508][ T7465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.718151][ T7469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.250875][ T7483] loop2: detected capacity change from 0 to 32768
[  246.270183][ T7483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.274037][ T7481] loop0: detected capacity change from 0 to 32768
[  246.330798][ T7483] CPU: 1 UID: 0 PID: 7483 Comm: syz.2.342 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  246.330829][ T7483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  246.330842][ T7483] Call Trace:
[  246.330850][ T7483]  <TASK>
[  246.330859][ T7483]  dump_stack_lvl+0x189/0x250
[  246.330889][ T7483]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.330913][ T7483]  ? __pfx__printk+0x10/0x10
[  246.330938][ T7483]  ? kernfs_root+0x1c/0x230
[  246.330962][ T7483]  ? kernfs_path_from_node+0x250/0x290
[  246.330983][ T7483]  ? kernfs_path_from_node+0x2f/0x290
[  246.331006][ T7483]  sysfs_create_dir_ns+0x259/0x280
[  246.331027][ T7483]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.331048][ T7483]  ? do_raw_spin_unlock+0x122/0x240
[  246.331072][ T7483]  kobject_add_internal+0x59f/0xb40
[  246.331099][ T7483]  kobject_init_and_add+0x125/0x190
[  246.331123][ T7483]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.331146][ T7483]  ? __raw_spin_lock_init+0x45/0x100
[  246.331171][ T7483]  ? __init_swait_queue_head+0xa9/0x150
[  246.331206][ T7483]  gfs2_sys_fs_add+0x234/0x450
[  246.331228][ T7483]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.331251][ T7483]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.331284][ T7483]  gfs2_fill_super+0x13c0/0x20d0
[  246.331318][ T7483]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.331346][ T7483]  ? sb_set_blocksize+0x104/0x180
[  246.331376][ T7483]  ? setup_bdev_super+0x4c1/0x5b0
[  246.331405][ T7483]  get_tree_bdev_flags+0x40b/0x4d0
[  246.331433][ T7483]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.331459][ T7483]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.331492][ T7483]  gfs2_get_tree+0x51/0x1e0
[  246.331518][ T7483]  vfs_get_tree+0x8f/0x2b0
[  246.331546][ T7483]  do_new_mount+0x2a2/0xa30
[  246.331577][ T7483]  ? ns_capable+0x8a/0xf0
[  246.331596][ T7483]  ? __pfx_do_new_mount+0x10/0x10
[  246.331625][ T7483]  ? path_mount+0x61c/0xfe0
[  246.331652][ T7483]  ? user_path_at+0x44/0x60
[  246.331678][ T7483]  __se_sys_mount+0x317/0x410
[  246.331711][ T7483]  ? __pfx___se_sys_mount+0x10/0x10
[  246.331744][ T7483]  ? rcu_is_watching+0x15/0xb0
[  246.331764][ T7483]  ? __x64_sys_mount+0x20/0xc0
[  246.331794][ T7483]  do_syscall_64+0xfa/0x3b0
[  246.331815][ T7483]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.331835][ T7483]  ? clear_bhb_loop+0x60/0xb0
[  246.331857][ T7483]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.331877][ T7483] RIP: 0033:0x7feae2f9038a
[  246.331894][ T7483] 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
[  246.331912][ T7483] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.331934][ T7483] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  246.331948][ T7483] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  246.331981][ T7483] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  246.331996][ T7483] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  246.332010][ T7483] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.332033][ T7483]  </TASK>
[  246.332055][ T7483] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.558898][ T7481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.662755][ T7483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.670560][ T7481] CPU: 0 UID: 0 PID: 7481 Comm: syz.0.341 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  246.670590][ T7481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  246.670604][ T7481] Call Trace:
[  246.670612][ T7481]  <TASK>
[  246.670621][ T7481]  dump_stack_lvl+0x189/0x250
[  246.670652][ T7481]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.670676][ T7481]  ? __pfx__printk+0x10/0x10
[  246.670702][ T7481]  ? kernfs_root+0x1c/0x230
[  246.670727][ T7481]  ? kernfs_path_from_node+0x250/0x290
[  246.670748][ T7481]  ? kernfs_path_from_node+0x2f/0x290
[  246.670772][ T7481]  sysfs_create_dir_ns+0x259/0x280
[  246.670796][ T7481]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.670817][ T7481]  ? do_raw_spin_unlock+0x122/0x240
[  246.670844][ T7481]  kobject_add_internal+0x59f/0xb40
[  246.670871][ T7481]  kobject_init_and_add+0x125/0x190
[  246.670896][ T7481]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.670918][ T7481]  ? __raw_spin_lock_init+0x45/0x100
[  246.670943][ T7481]  ? __init_swait_queue_head+0xa9/0x150
[  246.670994][ T7481]  gfs2_sys_fs_add+0x234/0x450
[  246.671016][ T7481]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.671039][ T7481]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.671072][ T7481]  gfs2_fill_super+0x13c0/0x20d0
[  246.671105][ T7481]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.671132][ T7481]  ? sb_set_blocksize+0x104/0x180
[  246.671161][ T7481]  ? setup_bdev_super+0x4c1/0x5b0
[  246.671189][ T7481]  get_tree_bdev_flags+0x40b/0x4d0
[  246.671216][ T7481]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.671240][ T7481]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.671273][ T7481]  gfs2_get_tree+0x51/0x1e0
[  246.671300][ T7481]  vfs_get_tree+0x8f/0x2b0
[  246.671328][ T7481]  do_new_mount+0x2a2/0xa30
[  246.671359][ T7481]  ? ns_capable+0x8a/0xf0
[  246.671378][ T7481]  ? __pfx_do_new_mount+0x10/0x10
[  246.671406][ T7481]  ? path_mount+0x61c/0xfe0
[  246.671433][ T7481]  ? user_path_at+0x44/0x60
[  246.671459][ T7481]  __se_sys_mount+0x317/0x410
[  246.671491][ T7481]  ? __pfx___se_sys_mount+0x10/0x10
[  246.671524][ T7481]  ? rcu_is_watching+0x15/0xb0
[  246.671541][ T7481]  ? __x64_sys_mount+0x20/0xc0
[  246.671571][ T7481]  do_syscall_64+0xfa/0x3b0
[  246.671592][ T7481]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.671611][ T7481]  ? clear_bhb_loop+0x60/0xb0
[  246.671632][ T7481]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.671651][ T7481] RIP: 0033:0x7f14da99038a
[  246.671668][ T7481] 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
[  246.671686][ T7481] RSP: 002b:00007f14db774e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.671707][ T7481] RAX: ffffffffffffffda RBX: 00007f14db774ef0 RCX: 00007f14da99038a
[  246.671722][ T7481] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f14db774eb0
[  246.671737][ T7481] RBP: 000020000001f680 R08: 00007f14db774ef0 R09: 0000000000000084
[  246.671750][ T7481] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  246.671763][ T7481] R13: 00007f14db774eb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.671785][ T7481]  </TASK>
[  246.671806][ T7481] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.685065][ T7489] loop3: detected capacity change from 0 to 32768
[  246.734843][ T7481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.743731][ T7485] loop5: detected capacity change from 0 to 32768
[  247.043147][ T7487] loop1: detected capacity change from 0 to 32768
[  247.058319][ T7489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.065742][ T7489] CPU: 1 UID: 0 PID: 7489 Comm: syz.3.345 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  247.065774][ T7489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  247.065788][ T7489] Call Trace:
[  247.065797][ T7489]  <TASK>
[  247.065806][ T7489]  dump_stack_lvl+0x189/0x250
[  247.065838][ T7489]  ? __pfx_dump_stack_lvl+0x10/0x10
[  247.065863][ T7489]  ? __pfx__printk+0x10/0x10
[  247.065891][ T7489]  ? kernfs_root+0x1c/0x230
[  247.065915][ T7489]  ? kernfs_path_from_node+0x250/0x290
[  247.065938][ T7489]  ? kernfs_path_from_node+0x2f/0x290
[  247.065963][ T7489]  sysfs_create_dir_ns+0x259/0x280
[  247.065988][ T7489]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.066011][ T7489]  ? do_raw_spin_unlock+0x122/0x240
[  247.066038][ T7489]  kobject_add_internal+0x59f/0xb40
[  247.066066][ T7489]  kobject_init_and_add+0x125/0x190
[  247.066092][ T7489]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.066126][ T7489]  ? __raw_spin_lock_init+0x45/0x100
[  247.066151][ T7489]  ? __init_swait_queue_head+0xa9/0x150
[  247.066186][ T7489]  gfs2_sys_fs_add+0x234/0x450
[  247.066207][ T7489]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.066231][ T7489]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.066264][ T7489]  gfs2_fill_super+0x13c0/0x20d0
[  247.066297][ T7489]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.066324][ T7489]  ? sb_set_blocksize+0x104/0x180
[  247.066352][ T7489]  ? setup_bdev_super+0x4c1/0x5b0
[  247.066381][ T7489]  get_tree_bdev_flags+0x40b/0x4d0
[  247.066408][ T7489]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.066434][ T7489]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.066466][ T7489]  gfs2_get_tree+0x51/0x1e0
[  247.066493][ T7489]  vfs_get_tree+0x8f/0x2b0
[  247.066521][ T7489]  do_new_mount+0x2a2/0xa30
[  247.066552][ T7489]  ? ns_capable+0x8a/0xf0
[  247.066570][ T7489]  ? __pfx_do_new_mount+0x10/0x10
[  247.066599][ T7489]  ? path_mount+0x61c/0xfe0
[  247.066626][ T7489]  ? user_path_at+0x44/0x60
[  247.066653][ T7489]  __se_sys_mount+0x317/0x410
[  247.066686][ T7489]  ? __pfx___se_sys_mount+0x10/0x10
[  247.066725][ T7489]  ? rcu_is_watching+0x15/0xb0
[  247.066744][ T7489]  ? __x64_sys_mount+0x20/0xc0
[  247.066773][ T7489]  do_syscall_64+0xfa/0x3b0
[  247.066794][ T7489]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.066813][ T7489]  ? clear_bhb_loop+0x60/0xb0
[  247.066836][ T7489]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.066855][ T7489] RIP: 0033:0x7f9df899038a
[  247.066872][ T7489] 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
[  247.066890][ T7489] RSP: 002b:00007f9df989be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.066912][ T7489] RAX: ffffffffffffffda RBX: 00007f9df989bef0 RCX: 00007f9df899038a
[  247.066929][ T7489] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9df989beb0
[  247.066943][ T7489] RBP: 000020000001f680 R08: 00007f9df989bef0 R09: 0000000000000084
[  247.066956][ T7489] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  247.066969][ T7489] R13: 00007f9df989beb0 R14: 000000000001f790 R15: 00002000000001c0
[  247.066991][ T7489]  </TASK>
[  247.067012][ T7489] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.423682][ T7485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.432297][ T7487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.465547][ T7485] CPU: 0 UID: 0 PID: 7485 Comm: syz.5.343 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  247.465579][ T7485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  247.465593][ T7485] Call Trace:
[  247.465601][ T7485]  <TASK>
[  247.465610][ T7485]  dump_stack_lvl+0x189/0x250
[  247.465640][ T7485]  ? __pfx_dump_stack_lvl+0x10/0x10
[  247.465665][ T7485]  ? __pfx__printk+0x10/0x10
[  247.465693][ T7485]  ? kernfs_root+0x1c/0x230
[  247.465718][ T7485]  ? kernfs_path_from_node+0x250/0x290
[  247.465740][ T7485]  ? kernfs_path_from_node+0x2f/0x290
[  247.465765][ T7485]  sysfs_create_dir_ns+0x259/0x280
[  247.465789][ T7485]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.465811][ T7485]  ? do_raw_spin_unlock+0x122/0x240
[  247.465839][ T7485]  kobject_add_internal+0x59f/0xb40
[  247.465867][ T7485]  kobject_init_and_add+0x125/0x190
[  247.465893][ T7485]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.465916][ T7485]  ? __raw_spin_lock_init+0x45/0x100
[  247.465949][ T7485]  ? __init_swait_queue_head+0xa9/0x150
[  247.465975][ T7485]  gfs2_sys_fs_add+0x234/0x450
[  247.466009][ T7485]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.466032][ T7485]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.466066][ T7485]  gfs2_fill_super+0x13c0/0x20d0
[  247.466099][ T7485]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.466126][ T7485]  ? sb_set_blocksize+0x104/0x180
[  247.466155][ T7485]  ? setup_bdev_super+0x4c1/0x5b0
[  247.466185][ T7485]  get_tree_bdev_flags+0x40b/0x4d0
[  247.466212][ T7485]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.466238][ T7485]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.466271][ T7485]  gfs2_get_tree+0x51/0x1e0
[  247.466297][ T7485]  vfs_get_tree+0x8f/0x2b0
[  247.466325][ T7485]  do_new_mount+0x2a2/0xa30
[  247.466356][ T7485]  ? ns_capable+0x8a/0xf0
[  247.466374][ T7485]  ? __pfx_do_new_mount+0x10/0x10
[  247.466403][ T7485]  ? path_mount+0x61c/0xfe0
[  247.466430][ T7485]  ? user_path_at+0x44/0x60
[  247.466457][ T7485]  __se_sys_mount+0x317/0x410
[  247.466488][ T7485]  ? __pfx___se_sys_mount+0x10/0x10
[  247.466519][ T7485]  ? rcu_is_watching+0x15/0xb0
[  247.466539][ T7485]  ? __x64_sys_mount+0x20/0xc0
[  247.466569][ T7485]  do_syscall_64+0xfa/0x3b0
[  247.466590][ T7485]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.466610][ T7485]  ? clear_bhb_loop+0x60/0xb0
[  247.466631][ T7485]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.466648][ T7485] RIP: 0033:0x7f3b1d79038a
[  247.466665][ T7485] 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
[  247.466682][ T7485] RSP: 002b:00007f3b1e65ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.466703][ T7485] RAX: ffffffffffffffda RBX: 00007f3b1e65aef0 RCX: 00007f3b1d79038a
[  247.466718][ T7485] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f3b1e65aeb0
[  247.466731][ T7485] RBP: 000020000001f680 R08: 00007f3b1e65aef0 R09: 0000000000000084
[  247.466744][ T7485] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  247.466756][ T7485] R13: 00007f3b1e65aeb0 R14: 000000000001f790 R15: 00002000000001c0
[  247.466778][ T7485]  </TASK>
[  247.466797][ T7485] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.468106][ T7489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.500261][ T7485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.528463][ T7487] CPU: 1 UID: 0 PID: 7487 Comm: syz.1.344 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  247.528499][ T7487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  247.528516][ T7487] Call Trace:
[  247.528526][ T7487]  <TASK>
[  247.528537][ T7487]  dump_stack_lvl+0x189/0x250
[  247.528572][ T7487]  ? __pfx_dump_stack_lvl+0x10/0x10
[  247.528600][ T7487]  ? __pfx__printk+0x10/0x10
[  247.528630][ T7487]  ? kernfs_root+0x1c/0x230
[  247.528658][ T7487]  ? kernfs_path_from_node+0x250/0x290
[  247.528684][ T7487]  ? kernfs_path_from_node+0x2f/0x290
[  247.528712][ T7487]  sysfs_create_dir_ns+0x259/0x280
[  247.528738][ T7487]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.528764][ T7487]  ? do_raw_spin_unlock+0x122/0x240
[  247.528795][ T7487]  kobject_add_internal+0x59f/0xb40
[  247.528829][ T7487]  kobject_init_and_add+0x125/0x190
[  247.528857][ T7487]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.528884][ T7487]  ? __raw_spin_lock_init+0x45/0x100
[  247.528912][ T7487]  ? __init_swait_queue_head+0xa9/0x150
[  247.528942][ T7487]  gfs2_sys_fs_add+0x234/0x450
[  247.528966][ T7487]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.528993][ T7487]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.529030][ T7487]  gfs2_fill_super+0x13c0/0x20d0
[  247.529069][ T7487]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.529102][ T7487]  ? sb_set_blocksize+0x104/0x180
[  247.529136][ T7487]  ? setup_bdev_super+0x4c1/0x5b0
[  247.529177][ T7487]  get_tree_bdev_flags+0x40b/0x4d0
[  247.529209][ T7487]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.529239][ T7487]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.529276][ T7487]  gfs2_get_tree+0x51/0x1e0
[  247.529308][ T7487]  vfs_get_tree+0x8f/0x2b0
[  247.529339][ T7487]  do_new_mount+0x2a2/0xa30
[  247.529375][ T7487]  ? ns_capable+0x8a/0xf0
[  247.529396][ T7487]  ? __pfx_do_new_mount+0x10/0x10
[  247.529430][ T7487]  ? path_mount+0x61c/0xfe0
[  247.529462][ T7487]  ? user_path_at+0x44/0x60
[  247.529493][ T7487]  __se_sys_mount+0x317/0x410
[  247.529530][ T7487]  ? __pfx___se_sys_mount+0x10/0x10
[  247.529568][ T7487]  ? rcu_is_watching+0x15/0xb0
[  247.529591][ T7487]  ? __x64_sys_mount+0x20/0xc0
[  247.529626][ T7487]  do_syscall_64+0xfa/0x3b0
[  247.529650][ T7487]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.529674][ T7487]  ? clear_bhb_loop+0x60/0xb0
[  247.529699][ T7487]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.529723][ T7487] RIP: 0033:0x7f7d8299038a
[  247.529744][ T7487] 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
[  247.529765][ T7487] RSP: 002b:00007f7d838d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.529790][ T7487] RAX: ffffffffffffffda RBX: 00007f7d838d0ef0 RCX: 00007f7d8299038a
[  247.529808][ T7487] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f7d838d0eb0
[  247.529826][ T7487] RBP: 000020000001f680 R08: 00007f7d838d0ef0 R09: 0000000000000084
[  247.529841][ T7487] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  247.529858][ T7487] R13: 00007f7d838d0eb0 R14: 000000000001f790 R15: 00002000000001c0
[  247.529884][ T7487]  </TASK>
[  247.529908][ T7487] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.129379][ T7487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.609006][ T7500] loop2: detected capacity change from 0 to 32768
[  248.645397][ T7500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.652637][ T7497] loop0: detected capacity change from 0 to 32768
[  248.668933][ T7500] CPU: 0 UID: 0 PID: 7500 Comm: syz.2.346 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  248.668963][ T7500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  248.668977][ T7500] Call Trace:
[  248.668985][ T7500]  <TASK>
[  248.668994][ T7500]  dump_stack_lvl+0x189/0x250
[  248.669024][ T7500]  ? __pfx_dump_stack_lvl+0x10/0x10
[  248.669048][ T7500]  ? __pfx__printk+0x10/0x10
[  248.669074][ T7500]  ? kernfs_root+0x1c/0x230
[  248.669099][ T7500]  ? kernfs_path_from_node+0x250/0x290
[  248.669121][ T7500]  ? kernfs_path_from_node+0x2f/0x290
[  248.669145][ T7500]  sysfs_create_dir_ns+0x259/0x280
[  248.669168][ T7500]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.669189][ T7500]  ? do_raw_spin_unlock+0x122/0x240
[  248.669215][ T7500]  kobject_add_internal+0x59f/0xb40
[  248.669241][ T7500]  kobject_init_and_add+0x125/0x190
[  248.669265][ T7500]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.669287][ T7500]  ? __raw_spin_lock_init+0x45/0x100
[  248.669311][ T7500]  ? __init_swait_queue_head+0xa9/0x150
[  248.669337][ T7500]  gfs2_sys_fs_add+0x234/0x450
[  248.669359][ T7500]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.669381][ T7500]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.669415][ T7500]  gfs2_fill_super+0x13c0/0x20d0
[  248.669449][ T7500]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.669478][ T7500]  ? sb_set_blocksize+0x104/0x180
[  248.669513][ T7500]  ? setup_bdev_super+0x4c1/0x5b0
[  248.669542][ T7500]  get_tree_bdev_flags+0x40b/0x4d0
[  248.669569][ T7500]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.669596][ T7500]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.669628][ T7500]  gfs2_get_tree+0x51/0x1e0
[  248.669655][ T7500]  vfs_get_tree+0x8f/0x2b0
[  248.669684][ T7500]  do_new_mount+0x2a2/0xa30
[  248.669716][ T7500]  ? ns_capable+0x8a/0xf0
[  248.669735][ T7500]  ? __pfx_do_new_mount+0x10/0x10
[  248.669763][ T7500]  ? path_mount+0x61c/0xfe0
[  248.669799][ T7500]  ? user_path_at+0x44/0x60
[  248.669826][ T7500]  __se_sys_mount+0x317/0x410
[  248.669859][ T7500]  ? __pfx___se_sys_mount+0x10/0x10
[  248.669893][ T7500]  ? rcu_is_watching+0x15/0xb0
[  248.669912][ T7500]  ? __x64_sys_mount+0x20/0xc0
[  248.669943][ T7500]  do_syscall_64+0xfa/0x3b0
[  248.669965][ T7500]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.669985][ T7500]  ? clear_bhb_loop+0x60/0xb0
[  248.670008][ T7500]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.670028][ T7500] RIP: 0033:0x7feae2f9038a
[  248.670046][ T7500] 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
[  248.670064][ T7500] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.670086][ T7500] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  248.670102][ T7500] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  248.670117][ T7500] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  248.670131][ T7500] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  248.670145][ T7500] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  248.670167][ T7500]  </TASK>
[  248.670719][ T7500] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.722175][ T7497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.724176][ T7500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.766101][ T7497] CPU: 1 UID: 0 PID: 7497 Comm: syz.0.347 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  248.766137][ T7497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  248.766153][ T7497] Call Trace:
[  248.766162][ T7497]  <TASK>
[  248.766172][ T7497]  dump_stack_lvl+0x189/0x250
[  248.766207][ T7497]  ? __pfx_dump_stack_lvl+0x10/0x10
[  248.766235][ T7497]  ? __pfx__printk+0x10/0x10
[  248.766263][ T7497]  ? kernfs_root+0x1c/0x230
[  248.766292][ T7497]  ? kernfs_path_from_node+0x250/0x290
[  248.766316][ T7497]  ? kernfs_path_from_node+0x2f/0x290
[  248.766344][ T7497]  sysfs_create_dir_ns+0x259/0x280
[  248.766368][ T7497]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.766393][ T7497]  ? do_raw_spin_unlock+0x122/0x240
[  248.766422][ T7497]  kobject_add_internal+0x59f/0xb40
[  248.766471][ T7497]  kobject_init_and_add+0x125/0x190
[  248.766501][ T7497]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.766528][ T7497]  ? __raw_spin_lock_init+0x45/0x100
[  248.766558][ T7497]  ? __init_swait_queue_head+0xa9/0x150
[  248.766587][ T7497]  gfs2_sys_fs_add+0x234/0x450
[  248.766613][ T7497]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.766640][ T7497]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.766678][ T7497]  gfs2_fill_super+0x13c0/0x20d0
[  248.766718][ T7497]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.766749][ T7497]  ? sb_set_blocksize+0x104/0x180
[  248.766783][ T7497]  ? setup_bdev_super+0x4c1/0x5b0
[  248.766815][ T7497]  get_tree_bdev_flags+0x40b/0x4d0
[  248.766847][ T7497]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.766876][ T7497]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.766913][ T7497]  gfs2_get_tree+0x51/0x1e0
[  248.766944][ T7497]  vfs_get_tree+0x8f/0x2b0
[  248.766977][ T7497]  do_new_mount+0x2a2/0xa30
[  248.767013][ T7497]  ? ns_capable+0x8a/0xf0
[  248.767033][ T7497]  ? __pfx_do_new_mount+0x10/0x10
[  248.767077][ T7497]  ? path_mount+0x61c/0xfe0
[  248.767109][ T7497]  ? user_path_at+0x44/0x60
[  248.767138][ T7497]  __se_sys_mount+0x317/0x410
[  248.767187][ T7497]  ? __pfx___se_sys_mount+0x10/0x10
[  248.767223][ T7497]  ? rcu_is_watching+0x15/0xb0
[  248.767244][ T7497]  ? __x64_sys_mount+0x20/0xc0
[  248.767278][ T7497]  do_syscall_64+0xfa/0x3b0
[  248.767302][ T7497]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.767324][ T7497]  ? clear_bhb_loop+0x60/0xb0
[  248.767349][ T7497]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.767371][ T7497] RIP: 0033:0x7f14da99038a
[  248.767391][ T7497] 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
[  248.767410][ T7497] RSP: 002b:00007f14db774e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.767435][ T7497] RAX: ffffffffffffffda RBX: 00007f14db774ef0 RCX: 00007f14da99038a
[  248.767453][ T7497] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f14db774eb0
[  248.767470][ T7497] RBP: 000020000001f680 R08: 00007f14db774ef0 R09: 0000000000000084
[  248.767486][ T7497] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  248.767502][ T7497] R13: 00007f14db774eb0 R14: 000000000001f790 R15: 00002000000001c0
[  248.767525][ T7497]  </TASK>
[  248.767550][ T7497] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.370368][ T7497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.617755][ T7505] loop3: detected capacity change from 0 to 32768
[  249.662688][ T7505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.677119][ T7505] CPU: 1 UID: 0 PID: 7505 Comm: syz.3.348 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  249.677149][ T7505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  249.677163][ T7505] Call Trace:
[  249.677171][ T7505]  <TASK>
[  249.677180][ T7505]  dump_stack_lvl+0x189/0x250
[  249.677211][ T7505]  ? __pfx_dump_stack_lvl+0x10/0x10
[  249.677234][ T7505]  ? __pfx__printk+0x10/0x10
[  249.677260][ T7505]  ? kernfs_root+0x1c/0x230
[  249.677283][ T7505]  ? kernfs_path_from_node+0x250/0x290
[  249.677323][ T7505]  ? kernfs_path_from_node+0x2f/0x290
[  249.677346][ T7505]  sysfs_create_dir_ns+0x259/0x280
[  249.677369][ T7505]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  249.677390][ T7505]  ? do_raw_spin_unlock+0x122/0x240
[  249.677417][ T7505]  kobject_add_internal+0x59f/0xb40
[  249.677444][ T7505]  kobject_init_and_add+0x125/0x190
[  249.677468][ T7505]  ? __pfx_kobject_init_and_add+0x10/0x10
[  249.677490][ T7505]  ? __raw_spin_lock_init+0x45/0x100
[  249.677514][ T7505]  ? __init_swait_queue_head+0xa9/0x150
[  249.677540][ T7505]  gfs2_sys_fs_add+0x234/0x450
[  249.677561][ T7505]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  249.677584][ T7505]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  249.677616][ T7505]  gfs2_fill_super+0x13c0/0x20d0
[  249.677649][ T7505]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.677687][ T7505]  ? sb_set_blocksize+0x104/0x180
[  249.677717][ T7505]  ? setup_bdev_super+0x4c1/0x5b0
[  249.677746][ T7505]  get_tree_bdev_flags+0x40b/0x4d0
[  249.677775][ T7505]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.677802][ T7505]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  249.677834][ T7505]  gfs2_get_tree+0x51/0x1e0
[  249.677874][ T7505]  vfs_get_tree+0x8f/0x2b0
[  249.677899][ T7505]  do_new_mount+0x2a2/0xa30
[  249.677930][ T7505]  ? ns_capable+0x8a/0xf0
[  249.677947][ T7505]  ? __pfx_do_new_mount+0x10/0x10
[  249.677974][ T7505]  ? path_mount+0x61c/0xfe0
[  249.678017][ T7505]  ? user_path_at+0x44/0x60
[  249.678051][ T7505]  __se_sys_mount+0x317/0x410
[  249.678087][ T7505]  ? __pfx___se_sys_mount+0x10/0x10
[  249.678120][ T7505]  ? rcu_is_watching+0x15/0xb0
[  249.678139][ T7505]  ? __x64_sys_mount+0x20/0xc0
[  249.678169][ T7505]  do_syscall_64+0xfa/0x3b0
[  249.678191][ T7505]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.678210][ T7505]  ? clear_bhb_loop+0x60/0xb0
[  249.678233][ T7505]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.678254][ T7505] RIP: 0033:0x7f9df899038a
[  249.678272][ T7505] 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
[  249.678291][ T7505] RSP: 002b:00007f9df989be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.678313][ T7505] RAX: ffffffffffffffda RBX: 00007f9df989bef0 RCX: 00007f9df899038a
[  249.678329][ T7505] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9df989beb0
[  249.678345][ T7505] RBP: 000020000001f680 R08: 00007f9df989bef0 R09: 0000000000000084
[  249.678359][ T7505] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  249.678374][ T7505] R13: 00007f9df989beb0 R14: 000000000001f790 R15: 00002000000001c0
[  249.678397][ T7505]  </TASK>
[  249.984551][ T7505] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.028170][ T7507] loop5: detected capacity change from 0 to 32768
[  250.155836][ T7509] loop1: detected capacity change from 0 to 32768
[  250.163278][ T7505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.238271][ T7507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.269562][ T7509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.281792][ T7507] CPU: 0 UID: 0 PID: 7507 Comm: syz.5.349 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  250.281823][ T7507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  250.281838][ T7507] Call Trace:
[  250.281847][ T7507]  <TASK>
[  250.281856][ T7507]  dump_stack_lvl+0x189/0x250
[  250.281888][ T7507]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.281913][ T7507]  ? __pfx__printk+0x10/0x10
[  250.281940][ T7507]  ? kernfs_root+0x1c/0x230
[  250.281966][ T7507]  ? kernfs_path_from_node+0x250/0x290
[  250.281988][ T7507]  ? kernfs_path_from_node+0x2f/0x290
[  250.282013][ T7507]  sysfs_create_dir_ns+0x259/0x280
[  250.282037][ T7507]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.282060][ T7507]  ? do_raw_spin_unlock+0x122/0x240
[  250.282089][ T7507]  kobject_add_internal+0x59f/0xb40
[  250.282118][ T7507]  kobject_init_and_add+0x125/0x190
[  250.282143][ T7507]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.282167][ T7507]  ? __raw_spin_lock_init+0x45/0x100
[  250.282193][ T7507]  ? __init_swait_queue_head+0xa9/0x150
[  250.282219][ T7507]  gfs2_sys_fs_add+0x234/0x450
[  250.282242][ T7507]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.282266][ T7507]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.282300][ T7507]  gfs2_fill_super+0x13c0/0x20d0
[  250.282333][ T7507]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.282360][ T7507]  ? sb_set_blocksize+0x104/0x180
[  250.282390][ T7507]  ? setup_bdev_super+0x4c1/0x5b0
[  250.282420][ T7507]  get_tree_bdev_flags+0x40b/0x4d0
[  250.282448][ T7507]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.282475][ T7507]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.282509][ T7507]  gfs2_get_tree+0x51/0x1e0
[  250.282537][ T7507]  vfs_get_tree+0x8f/0x2b0
[  250.282566][ T7507]  do_new_mount+0x2a2/0xa30
[  250.282598][ T7507]  ? ns_capable+0x8a/0xf0
[  250.282618][ T7507]  ? __pfx_do_new_mount+0x10/0x10
[  250.282657][ T7507]  ? path_mount+0x61c/0xfe0
[  250.282686][ T7507]  ? user_path_at+0x44/0x60
[  250.282713][ T7507]  __se_sys_mount+0x317/0x410
[  250.282747][ T7507]  ? __pfx___se_sys_mount+0x10/0x10
[  250.282781][ T7507]  ? rcu_is_watching+0x15/0xb0
[  250.282801][ T7507]  ? __x64_sys_mount+0x20/0xc0
[  250.282833][ T7507]  do_syscall_64+0xfa/0x3b0
[  250.282854][ T7507]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.282875][ T7507]  ? clear_bhb_loop+0x60/0xb0
[  250.282897][ T7507]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.282918][ T7507] RIP: 0033:0x7f3b1d79038a
[  250.282936][ T7507] 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
[  250.282954][ T7507] RSP: 002b:00007f3b1e65ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.282977][ T7507] RAX: ffffffffffffffda RBX: 00007f3b1e65aef0 RCX: 00007f3b1d79038a
[  250.282993][ T7507] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f3b1e65aeb0
[  250.283009][ T7507] RBP: 000020000001f680 R08: 00007f3b1e65aef0 R09: 0000000000000084
[  250.283024][ T7507] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  250.283037][ T7507] R13: 00007f3b1e65aeb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.283060][ T7507]  </TASK>
[  250.283080][ T7507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.309770][ T7509] CPU: 1 UID: 0 PID: 7509 Comm: syz.1.350 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  250.309805][ T7509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  250.309821][ T7509] Call Trace:
[  250.309830][ T7509]  <TASK>
[  250.309840][ T7509]  dump_stack_lvl+0x189/0x250
[  250.309875][ T7509]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.309911][ T7509]  ? __pfx__printk+0x10/0x10
[  250.309941][ T7509]  ? kernfs_root+0x1c/0x230
[  250.309969][ T7509]  ? kernfs_path_from_node+0x250/0x290
[  250.309993][ T7509]  ? kernfs_path_from_node+0x2f/0x290
[  250.310020][ T7509]  sysfs_create_dir_ns+0x259/0x280
[  250.310071][ T7509]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.310095][ T7509]  ? do_raw_spin_unlock+0x122/0x240
[  250.310127][ T7509]  kobject_add_internal+0x59f/0xb40
[  250.310158][ T7509]  kobject_init_and_add+0x125/0x190
[  250.310186][ T7509]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.310213][ T7509]  ? __raw_spin_lock_init+0x45/0x100
[  250.310243][ T7509]  ? __init_swait_queue_head+0xa9/0x150
[  250.310273][ T7509]  gfs2_sys_fs_add+0x234/0x450
[  250.310298][ T7509]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.310325][ T7509]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.310364][ T7509]  gfs2_fill_super+0x13c0/0x20d0
[  250.310402][ T7509]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.310436][ T7509]  ? sb_set_blocksize+0x104/0x180
[  250.310471][ T7509]  ? setup_bdev_super+0x4c1/0x5b0
[  250.310505][ T7509]  get_tree_bdev_flags+0x40b/0x4d0
[  250.310538][ T7509]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.310569][ T7509]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.310608][ T7509]  gfs2_get_tree+0x51/0x1e0
[  250.310638][ T7509]  vfs_get_tree+0x8f/0x2b0
[  250.310670][ T7509]  do_new_mount+0x2a2/0xa30
[  250.310706][ T7509]  ? ns_capable+0x8a/0xf0
[  250.310728][ T7509]  ? __pfx_do_new_mount+0x10/0x10
[  250.310760][ T7509]  ? path_mount+0x61c/0xfe0
[  250.310792][ T7509]  ? user_path_at+0x44/0x60
[  250.310822][ T7509]  __se_sys_mount+0x317/0x410
[  250.310858][ T7509]  ? __pfx___se_sys_mount+0x10/0x10
[  250.310901][ T7509]  ? rcu_is_watching+0x15/0xb0
[  250.310925][ T7509]  ? __x64_sys_mount+0x20/0xc0
[  250.310960][ T7509]  do_syscall_64+0xfa/0x3b0
[  250.310984][ T7509]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.311007][ T7509]  ? clear_bhb_loop+0x60/0xb0
[  250.311034][ T7509]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.311056][ T7509] RIP: 0033:0x7f7d8299038a
[  250.311076][ T7509] 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
[  250.311097][ T7509] RSP: 002b:00007f7d838d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.311124][ T7509] RAX: ffffffffffffffda RBX: 00007f7d838d0ef0 RCX: 00007f7d8299038a
[  250.311142][ T7509] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f7d838d0eb0
2025/08/15 22:09:10 executed programs: 346
[  250.311157][ T7509] RBP: 000020000001f680 R08: 00007f7d838d0ef0 R09: 0000000000000084
[  250.311174][ T7509] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  250.311191][ T7509] R13: 00007f7d838d0eb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.311217][ T7509]  </TASK>
[  250.311243][ T7509] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.315957][ T7507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.322007][ T7509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.517299][ T7519] loop0: detected capacity change from 0 to 32768
[  250.991819][ T7519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.011827][ T7519] CPU: 1 UID: 0 PID: 7519 Comm: syz.0.352 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  251.011868][ T7519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  251.011882][ T7519] Call Trace:
[  251.011891][ T7519]  <TASK>
[  251.011902][ T7519]  dump_stack_lvl+0x189/0x250
[  251.011934][ T7519]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.011964][ T7519]  ? __pfx__printk+0x10/0x10
[  251.011991][ T7519]  ? kernfs_root+0x1c/0x230
[  251.012016][ T7519]  ? kernfs_path_from_node+0x250/0x290
[  251.012038][ T7519]  ? kernfs_path_from_node+0x2f/0x290
[  251.012062][ T7519]  sysfs_create_dir_ns+0x259/0x280
[  251.012084][ T7519]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.012106][ T7519]  ? do_raw_spin_unlock+0x122/0x240
[  251.012132][ T7519]  kobject_add_internal+0x59f/0xb40
[  251.012159][ T7519]  kobject_init_and_add+0x125/0x190
[  251.012184][ T7519]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.012207][ T7519]  ? __raw_spin_lock_init+0x45/0x100
[  251.012232][ T7519]  ? __init_swait_queue_head+0xa9/0x150
[  251.012256][ T7519]  gfs2_sys_fs_add+0x234/0x450
[  251.012278][ T7519]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.012301][ T7519]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.012334][ T7519]  gfs2_fill_super+0x13c0/0x20d0
[  251.012368][ T7519]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.012397][ T7519]  ? sb_set_blocksize+0x104/0x180
[  251.012428][ T7519]  ? setup_bdev_super+0x4c1/0x5b0
[  251.012457][ T7519]  get_tree_bdev_flags+0x40b/0x4d0
[  251.012484][ T7519]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.012509][ T7519]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.012541][ T7519]  gfs2_get_tree+0x51/0x1e0
[  251.012567][ T7519]  vfs_get_tree+0x8f/0x2b0
[  251.012595][ T7519]  do_new_mount+0x2a2/0xa30
[  251.012628][ T7519]  ? ns_capable+0x8a/0xf0
[  251.012647][ T7519]  ? __pfx_do_new_mount+0x10/0x10
[  251.012675][ T7519]  ? path_mount+0x61c/0xfe0
[  251.012702][ T7519]  ? user_path_at+0x44/0x60
[  251.012730][ T7519]  __se_sys_mount+0x317/0x410
[  251.012763][ T7519]  ? __pfx___se_sys_mount+0x10/0x10
[  251.012795][ T7519]  ? rcu_is_watching+0x15/0xb0
[  251.012815][ T7519]  ? __x64_sys_mount+0x20/0xc0
[  251.012845][ T7519]  do_syscall_64+0xfa/0x3b0
[  251.012876][ T7519]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.012896][ T7519]  ? clear_bhb_loop+0x60/0xb0
[  251.012919][ T7519]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.012937][ T7519] RIP: 0033:0x7f14da99038a
[  251.012955][ T7519] 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
[  251.012974][ T7519] RSP: 002b:00007f14db774e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.012995][ T7519] RAX: ffffffffffffffda RBX: 00007f14db774ef0 RCX: 00007f14da99038a
[  251.013011][ T7519] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f14db774eb0
[  251.013026][ T7519] RBP: 000020000001f680 R08: 00007f14db774ef0 R09: 0000000000000084
[  251.013041][ T7519] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  251.013054][ T7519] R13: 00007f14db774eb0 R14: 000000000001f790 R15: 00002000000001c0
[  251.013077][ T7519]  </TASK>
[  251.013100][ T7519] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.451608][ T7515] loop2: detected capacity change from 0 to 32768
[  251.549096][ T7515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.566666][ T7519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.670164][ T7515] CPU: 0 UID: 0 PID: 7515 Comm: syz.2.351 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  251.670198][ T7515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  251.670213][ T7515] Call Trace:
[  251.670221][ T7515]  <TASK>
[  251.670231][ T7515]  dump_stack_lvl+0x189/0x250
[  251.670263][ T7515]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.670289][ T7515]  ? __pfx__printk+0x10/0x10
[  251.670316][ T7515]  ? kernfs_root+0x1c/0x230
[  251.670342][ T7515]  ? kernfs_path_from_node+0x250/0x290
[  251.670364][ T7515]  ? kernfs_path_from_node+0x2f/0x290
[  251.670389][ T7515]  sysfs_create_dir_ns+0x259/0x280
[  251.670412][ T7515]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.670436][ T7515]  ? do_raw_spin_unlock+0x122/0x240
[  251.670464][ T7515]  kobject_add_internal+0x59f/0xb40
[  251.670493][ T7515]  kobject_init_and_add+0x125/0x190
[  251.670519][ T7515]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.670543][ T7515]  ? __raw_spin_lock_init+0x45/0x100
[  251.670570][ T7515]  ? __init_swait_queue_head+0xa9/0x150
[  251.670596][ T7515]  gfs2_sys_fs_add+0x234/0x450
[  251.670618][ T7515]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.670642][ T7515]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.670676][ T7515]  gfs2_fill_super+0x13c0/0x20d0
[  251.670712][ T7515]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.670741][ T7515]  ? sb_set_blocksize+0x104/0x180
[  251.670772][ T7515]  ? setup_bdev_super+0x4c1/0x5b0
[  251.670808][ T7515]  get_tree_bdev_flags+0x40b/0x4d0
[  251.670836][ T7515]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.670863][ T7515]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.670896][ T7515]  gfs2_get_tree+0x51/0x1e0
[  251.670924][ T7515]  vfs_get_tree+0x8f/0x2b0
[  251.670952][ T7515]  do_new_mount+0x2a2/0xa30
[  251.670984][ T7515]  ? ns_capable+0x8a/0xf0
[  251.671003][ T7515]  ? __pfx_do_new_mount+0x10/0x10
[  251.671033][ T7515]  ? path_mount+0x61c/0xfe0
[  251.671061][ T7515]  ? user_path_at+0x44/0x60
[  251.671090][ T7515]  __se_sys_mount+0x317/0x410
[  251.671123][ T7515]  ? __pfx___se_sys_mount+0x10/0x10
[  251.671157][ T7515]  ? rcu_is_watching+0x15/0xb0
[  251.671177][ T7515]  ? __x64_sys_mount+0x20/0xc0
[  251.671209][ T7515]  do_syscall_64+0xfa/0x3b0
[  251.671232][ T7515]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.671253][ T7515]  ? clear_bhb_loop+0x60/0xb0
[  251.671276][ T7515]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.671296][ T7515] RIP: 0033:0x7feae2f9038a
[  251.671314][ T7515] 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
[  251.671333][ T7515] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.671355][ T7515] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  251.671370][ T7515] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  251.671386][ T7515] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  251.671400][ T7515] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  251.671414][ T7515] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  251.671437][ T7515]  </TASK>
[  251.671462][ T7515] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.018208][ T7515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.136415][ T7531] loop3: detected capacity change from 0 to 32768
[  252.168802][ T7531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.196745][ T7531] CPU: 1 UID: 0 PID: 7531 Comm: syz.3.355 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  252.196776][ T7531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  252.196790][ T7531] Call Trace:
[  252.196797][ T7531]  <TASK>
[  252.196806][ T7531]  dump_stack_lvl+0x189/0x250
[  252.196838][ T7531]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.196862][ T7531]  ? __pfx__printk+0x10/0x10
[  252.196888][ T7531]  ? kernfs_root+0x1c/0x230
[  252.196913][ T7531]  ? kernfs_path_from_node+0x250/0x290
[  252.196934][ T7531]  ? kernfs_path_from_node+0x2f/0x290
[  252.196957][ T7531]  sysfs_create_dir_ns+0x259/0x280
[  252.196980][ T7531]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.197003][ T7531]  ? do_raw_spin_unlock+0x122/0x240
[  252.197030][ T7531]  kobject_add_internal+0x59f/0xb40
[  252.197058][ T7531]  kobject_init_and_add+0x125/0x190
[  252.197082][ T7531]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.197104][ T7531]  ? __raw_spin_lock_init+0x45/0x100
[  252.197129][ T7531]  ? __init_swait_queue_head+0xa9/0x150
[  252.197154][ T7531]  gfs2_sys_fs_add+0x234/0x450
[  252.197176][ T7531]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.197199][ T7531]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.197231][ T7531]  gfs2_fill_super+0x13c0/0x20d0
[  252.197263][ T7531]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.197291][ T7531]  ? sb_set_blocksize+0x104/0x180
[  252.197320][ T7531]  ? setup_bdev_super+0x4c1/0x5b0
[  252.197348][ T7531]  get_tree_bdev_flags+0x40b/0x4d0
[  252.197375][ T7531]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.197401][ T7531]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.197433][ T7531]  gfs2_get_tree+0x51/0x1e0
[  252.197461][ T7531]  vfs_get_tree+0x8f/0x2b0
[  252.197489][ T7531]  do_new_mount+0x2a2/0xa30
[  252.197533][ T7531]  ? ns_capable+0x8a/0xf0
[  252.197552][ T7531]  ? __pfx_do_new_mount+0x10/0x10
[  252.197581][ T7531]  ? path_mount+0x61c/0xfe0
[  252.197608][ T7531]  ? user_path_at+0x44/0x60
[  252.197636][ T7531]  __se_sys_mount+0x317/0x410
[  252.197668][ T7531]  ? __pfx___se_sys_mount+0x10/0x10
[  252.197701][ T7531]  ? rcu_is_watching+0x15/0xb0
[  252.197723][ T7531]  ? __x64_sys_mount+0x20/0xc0
[  252.197753][ T7531]  do_syscall_64+0xfa/0x3b0
[  252.197784][ T7531]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.197805][ T7531]  ? clear_bhb_loop+0x60/0xb0
[  252.197827][ T7531]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.197846][ T7531] RIP: 0033:0x7f9df899038a
[  252.197864][ T7531] 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
[  252.197883][ T7531] RSP: 002b:00007f9df989be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.197904][ T7531] RAX: ffffffffffffffda RBX: 00007f9df989bef0 RCX: 00007f9df899038a
[  252.197919][ T7531] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9df989beb0
[  252.197934][ T7531] RBP: 000020000001f680 R08: 00007f9df989bef0 R09: 0000000000000084
[  252.197947][ T7531] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  252.197960][ T7531] R13: 00007f9df989beb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.197982][ T7531]  </TASK>
[  252.198266][ T7531] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.534357][ T7529] loop1: detected capacity change from 0 to 32768
[  252.549888][ T7531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.563394][ T7529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.573182][ T7527] loop5: detected capacity change from 0 to 32768
[  252.580796][ T7529] CPU: 0 UID: 0 PID: 7529 Comm: syz.1.354 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  252.580826][ T7529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  252.580840][ T7529] Call Trace:
[  252.580848][ T7529]  <TASK>
[  252.580858][ T7529]  dump_stack_lvl+0x189/0x250
[  252.580889][ T7529]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.580913][ T7529]  ? __pfx__printk+0x10/0x10
[  252.580939][ T7529]  ? kernfs_root+0x1c/0x230
[  252.580963][ T7529]  ? kernfs_path_from_node+0x250/0x290
[  252.580985][ T7529]  ? kernfs_path_from_node+0x2f/0x290
[  252.581009][ T7529]  sysfs_create_dir_ns+0x259/0x280
[  252.581031][ T7529]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.581053][ T7529]  ? do_raw_spin_unlock+0x122/0x240
[  252.581081][ T7529]  kobject_add_internal+0x59f/0xb40
[  252.581108][ T7529]  kobject_init_and_add+0x125/0x190
[  252.581133][ T7529]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.581156][ T7529]  ? __raw_spin_lock_init+0x45/0x100
[  252.581191][ T7529]  ? __init_swait_queue_head+0xa9/0x150
[  252.581215][ T7529]  gfs2_sys_fs_add+0x234/0x450
[  252.581235][ T7529]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.581256][ T7529]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.581287][ T7529]  gfs2_fill_super+0x13c0/0x20d0
[  252.581335][ T7529]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.581364][ T7529]  ? sb_set_blocksize+0x104/0x180
[  252.581393][ T7529]  ? setup_bdev_super+0x4c1/0x5b0
[  252.581422][ T7529]  get_tree_bdev_flags+0x40b/0x4d0
[  252.581449][ T7529]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.581475][ T7529]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.581507][ T7529]  gfs2_get_tree+0x51/0x1e0
[  252.581534][ T7529]  vfs_get_tree+0x8f/0x2b0
[  252.581562][ T7529]  do_new_mount+0x2a2/0xa30
[  252.581593][ T7529]  ? ns_capable+0x8a/0xf0
[  252.581612][ T7529]  ? __pfx_do_new_mount+0x10/0x10
[  252.581639][ T7529]  ? path_mount+0x61c/0xfe0
[  252.581665][ T7529]  ? user_path_at+0x44/0x60
[  252.581691][ T7529]  __se_sys_mount+0x317/0x410
[  252.581721][ T7529]  ? __pfx___se_sys_mount+0x10/0x10
[  252.581747][ T7529]  ? rcu_is_watching+0x15/0xb0
[  252.581769][ T7529]  ? __x64_sys_mount+0x20/0xc0
[  252.581798][ T7529]  do_syscall_64+0xfa/0x3b0
[  252.581815][ T7529]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.581831][ T7529]  ? clear_bhb_loop+0x60/0xb0
[  252.581848][ T7529]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.581864][ T7529] RIP: 0033:0x7f7d8299038a
[  252.581879][ T7529] 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
[  252.581892][ T7529] RSP: 002b:00007f7d838d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.581910][ T7529] RAX: ffffffffffffffda RBX: 00007f7d838d0ef0 RCX: 00007f7d8299038a
[  252.581923][ T7529] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f7d838d0eb0
[  252.581935][ T7529] RBP: 000020000001f680 R08: 00007f7d838d0ef0 R09: 0000000000000084
[  252.581946][ T7529] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  252.581957][ T7529] R13: 00007f7d838d0eb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.581974][ T7529]  </TASK>
[  252.581996][ T7529] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.690971][ T7527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.694133][ T7529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.918154][ T7527] CPU: 0 UID: 0 PID: 7527 Comm: syz.5.353 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  252.918187][ T7527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  252.918201][ T7527] Call Trace:
[  252.918209][ T7527]  <TASK>
[  252.918219][ T7527]  dump_stack_lvl+0x189/0x250
[  252.918250][ T7527]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.918276][ T7527]  ? __pfx__printk+0x10/0x10
[  252.918304][ T7527]  ? kernfs_root+0x1c/0x230
[  252.918329][ T7527]  ? kernfs_path_from_node+0x250/0x290
[  252.918351][ T7527]  ? kernfs_path_from_node+0x2f/0x290
[  252.918376][ T7527]  sysfs_create_dir_ns+0x259/0x280
[  252.918399][ T7527]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.918421][ T7527]  ? do_raw_spin_unlock+0x122/0x240
[  252.918448][ T7527]  kobject_add_internal+0x59f/0xb40
[  252.918476][ T7527]  kobject_init_and_add+0x125/0x190
[  252.918500][ T7527]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.918523][ T7527]  ? __raw_spin_lock_init+0x45/0x100
[  252.918549][ T7527]  ? __init_swait_queue_head+0xa9/0x150
[  252.918584][ T7527]  gfs2_sys_fs_add+0x234/0x450
[  252.918607][ T7527]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.918631][ T7527]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.918665][ T7527]  gfs2_fill_super+0x13c0/0x20d0
[  252.918699][ T7527]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.918728][ T7527]  ? sb_set_blocksize+0x104/0x180
[  252.918759][ T7527]  ? setup_bdev_super+0x4c1/0x5b0
[  252.918789][ T7527]  get_tree_bdev_flags+0x40b/0x4d0
[  252.918816][ T7527]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.918843][ T7527]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.918876][ T7527]  gfs2_get_tree+0x51/0x1e0
[  252.918904][ T7527]  vfs_get_tree+0x8f/0x2b0
[  252.918932][ T7527]  do_new_mount+0x2a2/0xa30
[  252.918964][ T7527]  ? ns_capable+0x8a/0xf0
[  252.918983][ T7527]  ? __pfx_do_new_mount+0x10/0x10
[  252.919012][ T7527]  ? path_mount+0x61c/0xfe0
[  252.919040][ T7527]  ? user_path_at+0x44/0x60
[  252.919068][ T7527]  __se_sys_mount+0x317/0x410
[  252.919101][ T7527]  ? __pfx___se_sys_mount+0x10/0x10
[  252.919135][ T7527]  ? rcu_is_watching+0x15/0xb0
[  252.919155][ T7527]  ? __x64_sys_mount+0x20/0xc0
[  252.919188][ T7527]  do_syscall_64+0xfa/0x3b0
[  252.919210][ T7527]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.919231][ T7527]  ? clear_bhb_loop+0x60/0xb0
[  252.919254][ T7527]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.919273][ T7527] RIP: 0033:0x7f3b1d79038a
[  252.919291][ T7527] 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
[  252.919309][ T7527] RSP: 002b:00007f3b1e65ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.919331][ T7527] RAX: ffffffffffffffda RBX: 00007f3b1e65aef0 RCX: 00007f3b1d79038a
[  252.919347][ T7527] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f3b1e65aeb0
[  252.919361][ T7527] RBP: 000020000001f680 R08: 00007f3b1e65aef0 R09: 0000000000000084
[  252.919375][ T7527] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  252.919388][ T7527] R13: 00007f3b1e65aeb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.919411][ T7527]  </TASK>
[  252.919432][ T7527] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.308162][ T7527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.598439][   T31] INFO: task syz.4.59:6297 blocked for more than 143 seconds.
[  253.606514][   T31]       Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
[  253.628192][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  253.662792][   T31] task:syz.4.59        state:D stack:25032 pid:6297  tgid:6296  ppid:5981   task_flags:0x400140 flags:0x00004006
[  253.719962][   T31] Call Trace:
[  253.723295][   T31]  <TASK>
[  253.726257][   T31]  __schedule+0x1798/0x4cc0
[  253.752023][ T7537] loop2: detected capacity change from 0 to 32768
[  253.769612][   T31]  ? rcu_is_watching+0x15/0xb0
[  253.785290][   T31]  ? __pfx___schedule+0x10/0x10
[  253.802974][   T31]  ? schedule+0x91/0x360
[  253.807297][   T31]  ? rcu_is_watching+0x15/0xb0
[  253.820232][ T7537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.827664][ T7537] CPU: 0 UID: 0 PID: 7537 Comm: syz.2.356 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  253.827695][ T7537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  253.827709][ T7537] Call Trace:
[  253.827718][ T7537]  <TASK>
[  253.827727][ T7537]  dump_stack_lvl+0x189/0x250
[  253.827760][ T7537]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.827784][ T7537]  ? __pfx__printk+0x10/0x10
[  253.827811][ T7537]  ? kernfs_root+0x1c/0x230
[  253.827837][ T7537]  ? kernfs_path_from_node+0x250/0x290
[  253.827860][ T7537]  ? kernfs_path_from_node+0x2f/0x290
[  253.827884][ T7537]  sysfs_create_dir_ns+0x259/0x280
[  253.827908][ T7537]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.827930][ T7537]  ? do_raw_spin_unlock+0x122/0x240
[  253.827958][ T7537]  kobject_add_internal+0x59f/0xb40
[  253.827986][ T7537]  kobject_init_and_add+0x125/0x190
[  253.828012][ T7537]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.828038][ T7537]  ? __raw_spin_lock_init+0x45/0x100
[  253.828062][ T7537]  ? __init_swait_queue_head+0xa9/0x150
[  253.828088][ T7537]  gfs2_sys_fs_add+0x234/0x450
[  253.828111][ T7537]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.828135][ T7537]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.828169][ T7537]  gfs2_fill_super+0x13c0/0x20d0
[  253.828203][ T7537]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.828232][ T7537]  ? sb_set_blocksize+0x104/0x180
[  253.828263][ T7537]  ? setup_bdev_super+0x4c1/0x5b0
[  253.828293][ T7537]  get_tree_bdev_flags+0x40b/0x4d0
[  253.828321][ T7537]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.828348][ T7537]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.828381][ T7537]  gfs2_get_tree+0x51/0x1e0
[  253.828409][ T7537]  vfs_get_tree+0x8f/0x2b0
[  253.828445][ T7537]  do_new_mount+0x2a2/0xa30
[  253.828478][ T7537]  ? ns_capable+0x8a/0xf0
[  253.828498][ T7537]  ? __pfx_do_new_mount+0x10/0x10
[  253.828528][ T7537]  ? path_mount+0x61c/0xfe0
[  253.828556][ T7537]  ? user_path_at+0x44/0x60
[  253.828583][ T7537]  __se_sys_mount+0x317/0x410
[  253.828617][ T7537]  ? __pfx___se_sys_mount+0x10/0x10
[  253.828651][ T7537]  ? rcu_is_watching+0x15/0xb0
[  253.828671][ T7537]  ? __x64_sys_mount+0x20/0xc0
[  253.828703][ T7537]  do_syscall_64+0xfa/0x3b0
[  253.828725][ T7537]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.828746][ T7537]  ? clear_bhb_loop+0x60/0xb0
[  253.828769][ T7537]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.828790][ T7537] RIP: 0033:0x7feae2f9038a
[  253.828808][ T7537] 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
[  253.828827][ T7537] RSP: 002b:00007feae3ec7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.828850][ T7537] RAX: ffffffffffffffda RBX: 00007feae3ec7ef0 RCX: 00007feae2f9038a
[  253.828865][ T7537] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007feae3ec7eb0
[  253.828880][ T7537] RBP: 000020000001f680 R08: 00007feae3ec7ef0 R09: 0000000000000084
[  253.828894][ T7537] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  253.828908][ T7537] R13: 00007feae3ec7eb0 R14: 000000000001f790 R15: 00002000000001c0
[  253.828931][ T7537]  </TASK>
[  254.168082][   T31]  ? rcu_is_watching+0x15/0xb0
[  254.173067][ T7537] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.197248][   T31]  ? lock_release+0x4b/0x3e0
[  254.208916][   T31]  ? __pfx___might_resched+0x10/0x10
[  254.228106][   T31]  schedule+0x165/0x360
[  254.232443][ T7537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.247786][   T31]  io_schedule+0x80/0xd0
[  254.263300][   T31]  __gfs2_log_reserve+0x208/0x400
[  254.318978][ T7547] loop1: detected capacity change from 0 to 32768
[  254.330854][   T31]  ? __pfx___gfs2_log_reserve+0x10/0x10
[  254.354103][ T7545] loop3: detected capacity change from 0 to 32768
[  254.365275][   T31]  ? __up_read+0x280/0x680
[  254.369940][   T31]  ? __pfx_autoremove_wake_function+0x10/0x10
[  254.376070][   T31]  ? gfs2_log_reserve+0x8c/0x1a0
[  254.378371][ T7547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.381092][   T31]  __gfs2_trans_begin+0x549/0x890
[  254.393490][   T31]  ? __pfx___gfs2_trans_begin+0x10/0x10
[  254.399233][   T31]  ? rcu_is_watching+0x15/0xb0
[  254.404620][   T31]  ? trace_kmem_cache_alloc+0x1f/0xc0
[  254.410087][   T31]  ? kmem_cache_alloc_noprof+0x21a/0x3c0
[  254.415762][   T31]  ? gfs2_trans_begin+0x52/0xe0
[  254.420705][   T31]  gfs2_trans_begin+0x6f/0xe0
[  254.425417][   T31]  punch_hole+0x1e92/0x2ca0
[  254.430032][   T31]  ? __pfx_punch_hole+0x10/0x10
[  254.434935][   T31]  ? gfs2_iomap_end+0x4f8/0x6c0
[  254.439919][   T31]  ? lockref_put_or_lock+0x71/0xc0
[  254.445071][   T31]  ? truncate_pagecache_range+0x87/0xb0
[  254.450726][   T31]  gfs2_iomap_end+0x4f8/0x6c0
[  254.451056][ T7547] CPU: 1 UID: 0 PID: 7547 Comm: syz.1.359 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  254.451088][ T7547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  254.451102][ T7547] Call Trace:
[  254.451111][ T7547]  <TASK>
[  254.451123][ T7547]  dump_stack_lvl+0x189/0x250
[  254.451153][ T7547]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.451181][ T7547]  ? __pfx__printk+0x10/0x10
[  254.451211][ T7547]  ? kernfs_root+0x1c/0x230
[  254.451241][ T7547]  ? kernfs_path_from_node+0x250/0x290
[  254.451265][ T7547]  ? kernfs_path_from_node+0x2f/0x290
[  254.451292][ T7547]  sysfs_create_dir_ns+0x259/0x280
[  254.451318][ T7547]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.451343][ T7547]  ? do_raw_spin_unlock+0x122/0x240
[  254.451374][ T7547]  kobject_add_internal+0x59f/0xb40
[  254.451406][ T7547]  kobject_init_and_add+0x125/0x190
[  254.451434][ T7547]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.451461][ T7547]  ? __raw_spin_lock_init+0x45/0x100
[  254.451489][ T7547]  ? __init_swait_queue_head+0xa9/0x150
[  254.451518][ T7547]  gfs2_sys_fs_add+0x234/0x450
[  254.451544][ T7547]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.451571][ T7547]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.451609][ T7547]  gfs2_fill_super+0x13c0/0x20d0
[  254.451666][ T7547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.451699][ T7547]  ? sb_set_blocksize+0x104/0x180
[  254.451734][ T7547]  ? setup_bdev_super+0x4c1/0x5b0
[  254.451775][ T7547]  get_tree_bdev_flags+0x40b/0x4d0
[  254.451806][ T7547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.451835][ T7547]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.451874][ T7547]  gfs2_get_tree+0x51/0x1e0
[  254.451905][ T7547]  vfs_get_tree+0x8f/0x2b0
[  254.451938][ T7547]  do_new_mount+0x2a2/0xa30
[  254.451975][ T7547]  ? ns_capable+0x8a/0xf0
[  254.451996][ T7547]  ? __pfx_do_new_mount+0x10/0x10
[  254.452030][ T7547]  ? path_mount+0x61c/0xfe0
[  254.452061][ T7547]  ? user_path_at+0x44/0x60
[  254.452094][ T7547]  __se_sys_mount+0x317/0x410
[  254.452131][ T7547]  ? __pfx___se_sys_mount+0x10/0x10
[  254.452169][ T7547]  ? rcu_is_watching+0x15/0xb0
[  254.452192][ T7547]  ? __x64_sys_mount+0x20/0xc0
[  254.452228][ T7547]  do_syscall_64+0xfa/0x3b0
[  254.452254][ T7547]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.452279][ T7547]  ? clear_bhb_loop+0x60/0xb0
[  254.452306][ T7547]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.452329][ T7547] RIP: 0033:0x7f7d8299038a
[  254.452350][ T7547] 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
[  254.452372][ T7547] RSP: 002b:00007f7d838d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.452397][ T7547] RAX: ffffffffffffffda RBX: 00007f7d838d0ef0 RCX: 00007f7d8299038a
[  254.452415][ T7547] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f7d838d0eb0
[  254.452432][ T7547] RBP: 000020000001f680 R08: 00007f7d838d0ef0 R09: 0000000000000084
[  254.452447][ T7547] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  254.452463][ T7547] R13: 00007f7d838d0eb0 R14: 000000000001f790 R15: 00002000000001c0
[  254.452488][ T7547]  </TASK>
[  254.452510][ T7547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.455436][   T31]  iomap_iter+0x313/0xde0
[  254.455467][   T31]  ? __pfx_gfs2_iomap_end+0x10/0x10
[  254.783043][ T7545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.783726][ T7547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.818080][ T7545] CPU: 1 UID: 0 PID: 7545 Comm: syz.3.358 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  254.818108][ T7545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  254.818121][ T7545] Call Trace:
[  254.818129][ T7545]  <TASK>
[  254.818137][ T7545]  dump_stack_lvl+0x189/0x250
[  254.818167][ T7545]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.818190][ T7545]  ? __pfx__printk+0x10/0x10
[  254.818216][ T7545]  ? kernfs_root+0x1c/0x230
[  254.818239][ T7545]  ? kernfs_path_from_node+0x250/0x290
[  254.818260][ T7545]  ? kernfs_path_from_node+0x2f/0x290
[  254.818284][ T7545]  sysfs_create_dir_ns+0x259/0x280
[  254.818324][ T7545]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.818346][ T7545]  ? do_raw_spin_unlock+0x122/0x240
[  254.818374][ T7545]  kobject_add_internal+0x59f/0xb40
[  254.818410][ T7545]  kobject_init_and_add+0x125/0x190
[  254.818436][ T7545]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.818459][ T7545]  ? __raw_spin_lock_init+0x45/0x100
[  254.818485][ T7545]  ? __init_swait_queue_head+0xa9/0x150
[  254.818511][ T7545]  gfs2_sys_fs_add+0x234/0x450
[  254.818533][ T7545]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.818556][ T7545]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.818591][ T7545]  gfs2_fill_super+0x13c0/0x20d0
[  254.818625][ T7545]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.818655][ T7545]  ? sb_set_blocksize+0x104/0x180
[  254.818686][ T7545]  ? setup_bdev_super+0x4c1/0x5b0
[  254.818716][ T7545]  get_tree_bdev_flags+0x40b/0x4d0
[  254.818745][ T7545]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.818771][ T7545]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.818804][ T7545]  gfs2_get_tree+0x51/0x1e0
[  254.818832][ T7545]  vfs_get_tree+0x8f/0x2b0
[  254.818861][ T7545]  do_new_mount+0x2a2/0xa30
[  254.818893][ T7545]  ? ns_capable+0x8a/0xf0
[  254.818924][ T7545]  ? __pfx_do_new_mount+0x10/0x10
[  254.818953][ T7545]  ? path_mount+0x61c/0xfe0
[  254.818980][ T7545]  ? user_path_at+0x44/0x60
[  254.819006][ T7545]  __se_sys_mount+0x317/0x410
[  254.819039][ T7545]  ? __pfx___se_sys_mount+0x10/0x10
[  254.819071][ T7545]  ? rcu_is_watching+0x15/0xb0
[  254.819089][ T7545]  ? __x64_sys_mount+0x20/0xc0
[  254.819120][ T7545]  do_syscall_64+0xfa/0x3b0
[  254.819141][ T7545]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.819160][ T7545]  ? clear_bhb_loop+0x60/0xb0
[  254.819183][ T7545]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.819202][ T7545] RIP: 0033:0x7f9df899038a
[  254.819220][ T7545] 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
[  254.819239][ T7545] RSP: 002b:00007f9df989be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.819260][ T7545] RAX: ffffffffffffffda RBX: 00007f9df989bef0 RCX: 00007f9df899038a
[  254.819275][ T7545] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f9df989beb0
[  254.819290][ T7545] RBP: 000020000001f680 R08: 00007f9df989bef0 R09: 0000000000000084
[  254.819303][ T7545] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  254.819316][ T7545] R13: 00007f9df989beb0 R14: 000000000001f790 R15: 00002000000001c0
[  254.819336][ T7545]  </TASK>
[  254.819355][ T7545] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.854630][   T31]  iomap_file_buffered_write+0x7fa/0x9b0
[  254.873005][ T7543] loop0: detected capacity change from 0 to 32768
[  254.897911][ T7545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.924898][   T31]  ? __pfx_iomap_file_buffered_write+0x10/0x10
[  255.072500][ T7543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.198274][ T7543] CPU: 1 UID: 0 PID: 7543 Comm: syz.0.357 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  255.198306][ T7543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  255.198320][ T7543] Call Trace:
[  255.198328][ T7543]  <TASK>
[  255.198338][ T7543]  dump_stack_lvl+0x189/0x250
[  255.198369][ T7543]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.198402][ T7543]  ? __pfx__printk+0x10/0x10
[  255.198429][ T7543]  ? kernfs_root+0x1c/0x230
[  255.198455][ T7543]  ? kernfs_path_from_node+0x250/0x290
[  255.198477][ T7543]  ? kernfs_path_from_node+0x2f/0x290
[  255.198502][ T7543]  sysfs_create_dir_ns+0x259/0x280
[  255.198526][ T7543]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.198560][ T7543]  ? do_raw_spin_unlock+0x122/0x240
[  255.198588][ T7543]  kobject_add_internal+0x59f/0xb40
[  255.198632][ T7543]  kobject_init_and_add+0x125/0x190
[  255.198659][ T7543]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.198682][ T7543]  ? __raw_spin_lock_init+0x45/0x100
[  255.198719][ T7543]  ? __init_swait_queue_head+0xa9/0x150
[  255.198744][ T7543]  gfs2_sys_fs_add+0x234/0x450
[  255.198766][ T7543]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.198789][ T7543]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.198821][ T7543]  gfs2_fill_super+0x13c0/0x20d0
[  255.198854][ T7543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.198881][ T7543]  ? sb_set_blocksize+0x104/0x180
[  255.198911][ T7543]  ? setup_bdev_super+0x4c1/0x5b0
[  255.198940][ T7543]  get_tree_bdev_flags+0x40b/0x4d0
[  255.198968][ T7543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.198993][ T7543]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.199025][ T7543]  gfs2_get_tree+0x51/0x1e0
[  255.199052][ T7543]  vfs_get_tree+0x8f/0x2b0
[  255.199081][ T7543]  do_new_mount+0x2a2/0xa30
[  255.199112][ T7543]  ? ns_capable+0x8a/0xf0
[  255.199131][ T7543]  ? __pfx_do_new_mount+0x10/0x10
[  255.199160][ T7543]  ? path_mount+0x61c/0xfe0
[  255.199187][ T7543]  ? user_path_at+0x44/0x60
[  255.199213][ T7543]  __se_sys_mount+0x317/0x410
[  255.199244][ T7543]  ? __pfx___se_sys_mount+0x10/0x10
[  255.199276][ T7543]  ? rcu_is_watching+0x15/0xb0
[  255.199295][ T7543]  ? __x64_sys_mount+0x20/0xc0
[  255.199325][ T7543]  do_syscall_64+0xfa/0x3b0
[  255.199347][ T7543]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.199366][ T7543]  ? clear_bhb_loop+0x60/0xb0
[  255.199400][ T7543]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.199420][ T7543] RIP: 0033:0x7f14da99038a
[  255.199437][ T7543] 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
[  255.199456][ T7543] RSP: 002b:00007f14db774e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.199478][ T7543] RAX: ffffffffffffffda RBX: 00007f14db774ef0 RCX: 00007f14da99038a
[  255.199493][ T7543] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f14db774eb0
[  255.199508][ T7543] RBP: 000020000001f680 R08: 00007f14db774ef0 R09: 0000000000000084
[  255.199523][ T7543] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  255.199536][ T7543] R13: 00007f14db774eb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.199557][ T7543]  </TASK>
[  255.199577][ T7543] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.216818][   T31]  ? inode_dio_wait+0x19e/0x240
[  255.288223][ T7543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.336727][   T31]  ? inode_go_held+0xf8/0x200
[  255.521413][ T1306] ieee802154 phy0 wpan0: encryption failed: -22
[  255.521464][ T1306] ieee802154 phy1 wpan1: encryption failed: -22
[  255.616723][ T7549] loop5: detected capacity change from 0 to 32768
[  255.788210][   T31]  ? gfs2_glock_wait+0x20f/0x2a0
[  255.793502][   T31]  gfs2_file_buffered_write+0x4ed/0x880
[  255.799514][   T31]  ? gfs2_file_write_iter+0x94e/0x1100
[  255.805195][   T31]  gfs2_file_write_iter+0x94e/0x1100
[  255.810909][   T31]  ? rcu_is_watching+0x15/0xb0
[  255.816482][   T31]  ? vfs_write+0x211/0xb30
[  255.818402][ T7549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.821483][   T31]  ? __pfx_gfs2_file_write_iter+0x10/0x10
[  255.834498][   T31]  ? gfs2_file_write_iter+0x94e/0x1100
[  255.842069][   T31]  ? security_file_permission+0x75/0x290
[  255.847933][   T31]  vfs_write+0x5c9/0xb30
[  255.852615][   T31]  ? __pfx_gfs2_file_write_iter+0x10/0x10
[  255.875459][ T7549] CPU: 1 UID: 0 PID: 7549 Comm: syz.5.360 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  255.875490][ T7549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  255.875504][ T7549] Call Trace:
[  255.875512][ T7549]  <TASK>
[  255.875521][ T7549]  dump_stack_lvl+0x189/0x250
[  255.875551][ T7549]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.875574][ T7549]  ? __pfx__printk+0x10/0x10
[  255.875607][ T7549]  ? kernfs_root+0x1c/0x230
[  255.875631][ T7549]  ? kernfs_path_from_node+0x250/0x290
[  255.875653][ T7549]  ? kernfs_path_from_node+0x2f/0x290
[  255.875676][ T7549]  sysfs_create_dir_ns+0x259/0x280
[  255.875699][ T7549]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.875720][ T7549]  ? do_raw_spin_unlock+0x122/0x240
[  255.875747][ T7549]  kobject_add_internal+0x59f/0xb40
[  255.875775][ T7549]  kobject_init_and_add+0x125/0x190
[  255.875799][ T7549]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.875821][ T7549]  ? __raw_spin_lock_init+0x45/0x100
[  255.875845][ T7549]  ? __init_swait_queue_head+0xa9/0x150
[  255.875871][ T7549]  gfs2_sys_fs_add+0x234/0x450
[  255.875892][ T7549]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.875916][ T7549]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.875949][ T7549]  gfs2_fill_super+0x13c0/0x20d0
[  255.875983][ T7549]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.876010][ T7549]  ? sb_set_blocksize+0x104/0x180
[  255.876040][ T7549]  ? setup_bdev_super+0x4c1/0x5b0
[  255.876068][ T7549]  get_tree_bdev_flags+0x40b/0x4d0
[  255.876096][ T7549]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.876121][ T7549]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.876153][ T7549]  gfs2_get_tree+0x51/0x1e0
[  255.876179][ T7549]  vfs_get_tree+0x8f/0x2b0
[  255.876208][ T7549]  do_new_mount+0x2a2/0xa30
[  255.876240][ T7549]  ? ns_capable+0x8a/0xf0
[  255.876259][ T7549]  ? __pfx_do_new_mount+0x10/0x10
[  255.876287][ T7549]  ? path_mount+0x61c/0xfe0
[  255.876314][ T7549]  ? user_path_at+0x44/0x60
[  255.876341][ T7549]  __se_sys_mount+0x317/0x410
[  255.876373][ T7549]  ? __pfx___se_sys_mount+0x10/0x10
[  255.876405][ T7549]  ? rcu_is_watching+0x15/0xb0
[  255.876423][ T7549]  ? __x64_sys_mount+0x20/0xc0
[  255.876454][ T7549]  do_syscall_64+0xfa/0x3b0
2025/08/15 22:09:15 executed programs: 356
[  255.876475][ T7549]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.876494][ T7549]  ? clear_bhb_loop+0x60/0xb0
[  255.876516][ T7549]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.876535][ T7549] RIP: 0033:0x7f3b1d79038a
[  255.876552][ T7549] 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
[  255.876569][ T7549] RSP: 002b:00007f3b1e65ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.876591][ T7549] RAX: ffffffffffffffda RBX: 00007f3b1e65aef0 RCX: 00007f3b1d79038a
[  255.876613][ T7549] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f3b1e65aeb0
[  255.876627][ T7549] RBP: 000020000001f680 R08: 00007f3b1e65aef0 R09: 0000000000000084
[  255.876641][ T7549] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  255.876654][ T7549] R13: 00007f3b1e65aeb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.876676][ T7549]  </TASK>
[  255.876695][ T7549] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.914183][   T31]  ? __pfx_vfs_write+0x10/0x10
[  256.204799][ T7549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.268084][   T31]  ? __fget_files+0x2a/0x420
[  256.272751][   T31]  ksys_write+0x145/0x250
[  256.304690][   T31]  ? __pfx_ksys_write+0x10/0x10
[  256.462405][   T31]  ? rcu_is_watching+0x15/0xb0
[  256.467250][   T31]  ? rcu_is_watching+0x15/0xb0
[  256.493170][   T31]  do_syscall_64+0xfa/0x3b0
[  256.497750][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.537701][   T31]  ? clear_bhb_loop+0x60/0xb0
[  256.557385][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.579522][   T31] RIP: 0033:0x7f874178ebe9
[  256.584040][   T31] RSP: 002b:00007f87426d8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  256.612993][   T31] RAX: ffffffffffffffda RBX: 00007f87419b5fa0 RCX: 00007f874178ebe9
[  256.645684][   T31] RDX: 000000000208e24b RSI: 0000200000000040 RDI: 0000000000000005
[  256.674300][   T31] RBP: 00007f8741811e19 R08: 0000000000000000 R09: 0000000000000000
[  256.694568][   T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  256.724976][   T31] R13: 00007f87419b6038 R14: 00007f87419b5fa0 R15: 00007fff490eece8
[  256.758202][   T31]  </TASK>
[  256.761830][   T31] INFO: lockdep is turned off.
[  256.807370][   T31] NMI backtrace for cpu 0
[  256.807394][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  256.807420][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  256.807434][   T31] Call Trace:
[  256.807442][   T31]  <TASK>
[  256.807451][   T31]  dump_stack_lvl+0x189/0x250
[  256.807493][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  256.807518][   T31]  ? __pfx__printk+0x10/0x10
[  256.807553][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  256.807583][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  256.807613][   T31]  ? __pfx__printk+0x10/0x10
[  256.807644][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  256.807679][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  256.807709][   T31]  watchdog+0xf60/0xfa0
[  256.807741][   T31]  ? watchdog+0x1e2/0xfa0
[  256.807772][   T31]  kthread+0x711/0x8a0
[  256.807798][   T31]  ? __pfx_watchdog+0x10/0x10
[  256.807826][   T31]  ? __pfx_kthread+0x10/0x10
[  256.807851][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  256.807882][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  256.807900][   T31]  ? __pfx_kthread+0x10/0x10
[  256.807925][   T31]  ret_from_fork+0x3f9/0x770
[  256.807947][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  256.807971][   T31]  ? __switch_to_asm+0x39/0x70
[  256.807997][   T31]  ? __switch_to_asm+0x33/0x70
[  256.808028][   T31]  ? __pfx_kthread+0x10/0x10
[  256.808052][   T31]  ret_from_fork_asm+0x1a/0x30
[  256.808086][   T31]  </TASK>
[  256.950537][   T31] Sending NMI from CPU 0 to CPUs 1:
[  256.955796][    C1] NMI backtrace for cpu 1
[  256.955814][    C1] CPU: 1 UID: 0 PID: 7566 Comm: syz.3.363 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  256.955836][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  256.955848][    C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90
[  256.955880][    C1] Code: 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 cc cc cc cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 14 25 08 10 a1 92 65 8b 0d c8 65
[  256.955896][    C1] RSP: 0018:ffffc9000c317920 EFLAGS: 00000213
[  256.955913][    C1] RAX: ffffffff82006fc1 RBX: 0000000000000000 RCX: 0000000000000000
[  256.955925][    C1] RDX: ffff888032ec5a00 RSI: 0000000000000000 RDI: 00000000fffffffe
[  256.955937][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  256.955953][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802ebac958
[  256.955964][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  256.955976][    C1] FS:  00007f9df989c6c0(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
[  256.955992][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  256.956005][    C1] CR2: 00007f3b14f32000 CR3: 000000002e8e8000 CR4: 00000000003526f0
[  256.956021][    C1] Call Trace:
[  256.956028][    C1]  <TASK>
[  256.956035][    C1]  shmem_huge_global_enabled+0x82/0x3a0
[  256.956062][    C1]  shmem_allowable_huge_orders+0x1f8/0x420
[  256.956088][    C1]  shmem_get_folio_gfp+0x4f8/0x1660
[  256.956118][    C1]  shmem_write_begin+0xf7/0x2b0
[  256.956145][    C1]  generic_perform_write+0x2c5/0x900
[  256.956171][    C1]  ? __pfx_generic_perform_write+0x10/0x10
[  256.956193][    C1]  ? preempt_count_add+0x91/0x1a0
[  256.956227][    C1]  ? mnt_put_write_access_file+0xb9/0x100
[  256.956249][    C1]  ? file_update_time+0x416/0x490
[  256.956270][    C1]  shmem_file_write_iter+0xf8/0x120
[  256.956296][    C1]  vfs_write+0x5c9/0xb30
[  256.956321][    C1]  ? __pfx_shmem_file_write_iter+0x10/0x10
[  256.956347][    C1]  ? __pfx_vfs_write+0x10/0x10
[  256.956373][    C1]  ? __fget_files+0x2a/0x420
[  256.956392][    C1]  ksys_write+0x145/0x250
[  256.956417][    C1]  ? __pfx_ksys_write+0x10/0x10
[  256.956442][    C1]  ? rcu_is_watching+0x15/0xb0
[  256.956461][    C1]  do_syscall_64+0xfa/0x3b0
[  256.956481][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.956498][    C1]  ? clear_bhb_loop+0x60/0xb0
[  256.956517][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.956535][    C1] RIP: 0033:0x7f9df898d69f
[  256.956550][    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
[  256.956566][    C1] RSP: 002b:00007f9df989bdf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  256.956583][    C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f9df898d69f
[  256.956596][    C1] RDX: 0000000001000000 RSI: 00007f9defa00000 RDI: 0000000000000003
[  256.956608][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[  256.956619][    C1] R10: 000020000005e5c2 R11: 0000000000000293 R12: 0000000000000003
[  256.956630][    C1] R13: 00007f9df989bef0 R14: 00007f9df989beb0 R15: 00007f9defa00000
[  256.956650][    C1]  </TASK>
[  257.301425][ T7562] loop2: detected capacity change from 0 to 32768
[  257.338455][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  257.345350][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  257.356660][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  257.367014][   T31] Call Trace:
[  257.370315][   T31]  <TASK>
[  257.373270][   T31]  dump_stack_lvl+0x99/0x250
[  257.378069][   T31]  ? __asan_memcpy+0x40/0x70
[  257.382690][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.387913][   T31]  ? __pfx__printk+0x10/0x10
[  257.392572][   T31]  vpanic+0x281/0x750
[  257.396583][   T31]  ? __pfx_vpanic+0x10/0x10
[  257.401111][   T31]  ? preempt_schedule+0xae/0xc0
[  257.406007][   T31]  ? preempt_schedule_common+0x83/0xd0
[  257.411533][   T31]  panic+0xb9/0xc0
[  257.415282][   T31]  ? __pfx_panic+0x10/0x10
[  257.419746][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  257.425147][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  257.431347][   T31]  watchdog+0xf9f/0xfa0
[  257.435562][   T31]  ? watchdog+0x1e2/0xfa0
[  257.439929][   T31]  kthread+0x711/0x8a0
[  257.444032][   T31]  ? __pfx_watchdog+0x10/0x10
[  257.448827][   T31]  ? __pfx_kthread+0x10/0x10
[  257.453449][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  257.458686][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  257.463913][   T31]  ? __pfx_kthread+0x10/0x10
[  257.468536][   T31]  ret_from_fork+0x3f9/0x770
[  257.473158][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  257.478354][   T31]  ? __switch_to_asm+0x39/0x70
[  257.483157][   T31]  ? __switch_to_asm+0x33/0x70
[  257.487975][   T31]  ? __pfx_kthread+0x10/0x10
[  257.492607][   T31]  ret_from_fork_asm+0x1a/0x30
[  257.497418][   T31]  </TASK>
[  257.500837][   T31] Kernel Offset: disabled
[  257.505170][   T31] Rebooting in 86400 seconds..