s_fs_add+0x10/0x10
[  252.204651][ T6534]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.204681][ T6534]  gfs2_fill_super+0x13c0/0x20d0
[  252.204711][ T6534]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.204735][ T6534]  ? sb_set_blocksize+0x104/0x180
[  252.204763][ T6534]  ? setup_bdev_super+0x4c1/0x5b0
[  252.204789][ T6534]  get_tree_bdev_flags+0x40e/0x4d0
[  252.204826][ T6534]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.204849][ T6534]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.204879][ T6534]  gfs2_get_tree+0x51/0x1e0
[  252.204903][ T6534]  vfs_get_tree+0x92/0x2b0
[  252.204928][ T6534]  do_new_mount+0x2a2/0xa30
[  252.204955][ T6534]  ? ns_capable+0x8a/0xf0
[  252.204984][ T6534]  ? __pfx_do_new_mount+0x10/0x10
[  252.205009][ T6534]  ? path_mount+0x61c/0xfe0
[  252.205032][ T6534]  ? user_path_at+0x44/0x60
[  252.205055][ T6534]  __se_sys_mount+0x317/0x410
[  252.205085][ T6534]  ? __pfx___se_sys_mount+0x10/0x10
[  252.205113][ T6534]  ? rcu_is_watching+0x15/0xb0
[  252.205142][ T6534]  ? __x64_sys_mount+0x20/0xc0
[  252.205170][ T6534]  do_syscall_64+0xfa/0xfa0
[  252.205196][ T6534]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.205216][ T6534]  ? clear_bhb_loop+0x60/0xb0
[  252.205239][ T6534]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.205259][ T6534] RIP: 0033:0x7fbeebb9038a
[  252.205278][ T6534] 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
[  252.205297][ T6534] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.205320][ T6534] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  252.205336][ T6534] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  252.205352][ T6534] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  252.205366][ T6534] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  252.205380][ T6534] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  252.205403][ T6534]  </TASK>
[  252.205424][ T6534] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.528884][ T6534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.922408][ T6537] loop1: detected capacity change from 0 to 32768
[  252.931234][ T6537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.940379][ T6537] CPU: 1 UID: 0 PID: 6537 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  252.940405][ T6537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  252.940418][ T6537] Call Trace:
[  252.940425][ T6537]  <TASK>
[  252.940435][ T6537]  dump_stack_lvl+0x189/0x250
[  252.940465][ T6537]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.940490][ T6537]  ? __pfx__printk+0x10/0x10
[  252.940517][ T6537]  ? kernfs_root+0x1c/0x230
[  252.940539][ T6537]  ? kernfs_path_from_node+0x250/0x290
[  252.940557][ T6537]  ? kernfs_path_from_node+0x2f/0x290
[  252.940576][ T6537]  sysfs_create_dir_ns+0x259/0x280
[  252.940606][ T6537]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.940637][ T6537]  ? do_raw_spin_unlock+0x122/0x240
[  252.940661][ T6537]  kobject_add_internal+0x59f/0xb40
[  252.940691][ T6537]  kobject_init_and_add+0x125/0x190
[  252.940719][ T6537]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.940744][ T6537]  ? __raw_spin_lock_init+0x45/0x100
[  252.940764][ T6537]  ? __init_swait_queue_head+0xa9/0x150
[  252.940785][ T6537]  gfs2_sys_fs_add+0x234/0x450
[  252.940816][ T6537]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.940848][ T6537]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.940878][ T6537]  gfs2_fill_super+0x13c0/0x20d0
[  252.940909][ T6537]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.940934][ T6537]  ? sb_set_blocksize+0x104/0x180
[  252.940962][ T6537]  ? setup_bdev_super+0x4c1/0x5b0
[  252.940987][ T6537]  get_tree_bdev_flags+0x40e/0x4d0
[  252.941011][ T6537]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.941043][ T6537]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.941072][ T6537]  gfs2_get_tree+0x51/0x1e0
[  252.941096][ T6537]  vfs_get_tree+0x92/0x2b0
[  252.941121][ T6537]  do_new_mount+0x2a2/0xa30
[  252.941149][ T6537]  ? ns_capable+0x8a/0xf0
[  252.941177][ T6537]  ? __pfx_do_new_mount+0x10/0x10
[  252.941202][ T6537]  ? path_mount+0x61c/0xfe0
[  252.941225][ T6537]  ? user_path_at+0x44/0x60
[  252.941249][ T6537]  __se_sys_mount+0x317/0x410
[  252.941278][ T6537]  ? __pfx___se_sys_mount+0x10/0x10
[  252.941307][ T6537]  ? rcu_is_watching+0x15/0xb0
[  252.941335][ T6537]  ? __x64_sys_mount+0x20/0xc0
[  252.941362][ T6537]  do_syscall_64+0xfa/0xfa0
[  252.941387][ T6537]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.941408][ T6537]  ? clear_bhb_loop+0x60/0xb0
[  252.941430][ T6537]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.941450][ T6537] RIP: 0033:0x7fbeebb9038a
[  252.941469][ T6537] 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
[  252.941487][ T6537] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.941508][ T6537] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  252.941524][ T6537] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  252.941539][ T6537] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  252.941553][ T6537] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  252.941567][ T6537] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  252.941590][ T6537]  </TASK>
[  252.941712][ T6537] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.257945][ T6537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.649900][ T6540] loop1: detected capacity change from 0 to 32768
[  253.664827][ T6540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.672482][ T6540] CPU: 0 UID: 0 PID: 6540 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  253.672512][ T6540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  253.672524][ T6540] Call Trace:
[  253.672532][ T6540]  <TASK>
[  253.672542][ T6540]  dump_stack_lvl+0x189/0x250
[  253.672574][ T6540]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.672599][ T6540]  ? __pfx__printk+0x10/0x10
[  253.672626][ T6540]  ? kernfs_root+0x1c/0x230
[  253.672647][ T6540]  ? kernfs_path_from_node+0x250/0x290
[  253.672665][ T6540]  ? kernfs_path_from_node+0x2f/0x290
[  253.672695][ T6540]  sysfs_create_dir_ns+0x259/0x280
[  253.672727][ T6540]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.672758][ T6540]  ? do_raw_spin_unlock+0x122/0x240
[  253.672782][ T6540]  kobject_add_internal+0x59f/0xb40
[  253.672813][ T6540]  kobject_init_and_add+0x125/0x190
[  253.672843][ T6540]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.672869][ T6540]  ? __raw_spin_lock_init+0x45/0x100
[  253.672889][ T6540]  ? __init_swait_queue_head+0xa9/0x150
[  253.672912][ T6540]  gfs2_sys_fs_add+0x234/0x450
[  253.672942][ T6540]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.672975][ T6540]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.673004][ T6540]  gfs2_fill_super+0x13c0/0x20d0
[  253.673034][ T6540]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.673059][ T6540]  ? sb_set_blocksize+0x104/0x180
[  253.673087][ T6540]  ? setup_bdev_super+0x4c1/0x5b0
[  253.673113][ T6540]  get_tree_bdev_flags+0x40e/0x4d0
[  253.673137][ T6540]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.673160][ T6540]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.673190][ T6540]  gfs2_get_tree+0x51/0x1e0
[  253.673214][ T6540]  vfs_get_tree+0x92/0x2b0
[  253.673238][ T6540]  do_new_mount+0x2a2/0xa30
[  253.673266][ T6540]  ? ns_capable+0x8a/0xf0
[  253.673294][ T6540]  ? __pfx_do_new_mount+0x10/0x10
[  253.673319][ T6540]  ? path_mount+0x61c/0xfe0
[  253.673343][ T6540]  ? user_path_at+0x44/0x60
[  253.673366][ T6540]  __se_sys_mount+0x317/0x410
[  253.673395][ T6540]  ? __pfx___se_sys_mount+0x10/0x10
[  253.673424][ T6540]  ? rcu_is_watching+0x15/0xb0
[  253.673453][ T6540]  ? __x64_sys_mount+0x20/0xc0
[  253.673480][ T6540]  do_syscall_64+0xfa/0xfa0
[  253.673505][ T6540]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.673526][ T6540]  ? clear_bhb_loop+0x60/0xb0
[  253.673549][ T6540]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.673568][ T6540] RIP: 0033:0x7fbeebb9038a
[  253.673586][ T6540] 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
[  253.673605][ T6540] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.673628][ T6540] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  253.673644][ T6540] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  253.673659][ T6540] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  253.673674][ T6540] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  253.673696][ T6540] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  253.673719][ T6540]  </TASK>
[  253.673763][ T6540] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.991185][ T6540] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 18:34:54 executed programs: 159
[  254.382289][ T6543] loop1: detected capacity change from 0 to 32768
[  254.397354][ T6543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.404910][ T6543] CPU: 1 UID: 0 PID: 6543 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  254.404940][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  254.404953][ T6543] Call Trace:
[  254.404961][ T6543]  <TASK>
[  254.404970][ T6543]  dump_stack_lvl+0x189/0x250
[  254.405002][ T6543]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.405028][ T6543]  ? __pfx__printk+0x10/0x10
[  254.405054][ T6543]  ? kernfs_root+0x1c/0x230
[  254.405076][ T6543]  ? kernfs_path_from_node+0x250/0x290
[  254.405094][ T6543]  ? kernfs_path_from_node+0x2f/0x290
[  254.405114][ T6543]  sysfs_create_dir_ns+0x259/0x280
[  254.405146][ T6543]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.405176][ T6543]  ? do_raw_spin_unlock+0x122/0x240
[  254.405200][ T6543]  kobject_add_internal+0x59f/0xb40
[  254.405231][ T6543]  kobject_init_and_add+0x125/0x190
[  254.405259][ T6543]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.405284][ T6543]  ? __raw_spin_lock_init+0x45/0x100
[  254.405304][ T6543]  ? __init_swait_queue_head+0xa9/0x150
[  254.405326][ T6543]  gfs2_sys_fs_add+0x234/0x450
[  254.405356][ T6543]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.405389][ T6543]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.405419][ T6543]  gfs2_fill_super+0x13c0/0x20d0
[  254.405449][ T6543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.405474][ T6543]  ? sb_set_blocksize+0x104/0x180
[  254.405502][ T6543]  ? setup_bdev_super+0x4c1/0x5b0
[  254.405527][ T6543]  get_tree_bdev_flags+0x40e/0x4d0
[  254.405551][ T6543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.405574][ T6543]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.405604][ T6543]  gfs2_get_tree+0x51/0x1e0
[  254.405628][ T6543]  vfs_get_tree+0x92/0x2b0
[  254.405653][ T6543]  do_new_mount+0x2a2/0xa30
[  254.405681][ T6543]  ? ns_capable+0x8a/0xf0
[  254.405709][ T6543]  ? __pfx_do_new_mount+0x10/0x10
[  254.405734][ T6543]  ? path_mount+0x61c/0xfe0
[  254.405758][ T6543]  ? user_path_at+0x44/0x60
[  254.405781][ T6543]  __se_sys_mount+0x317/0x410
[  254.405811][ T6543]  ? __pfx___se_sys_mount+0x10/0x10
[  254.405839][ T6543]  ? rcu_is_watching+0x15/0xb0
[  254.405878][ T6543]  ? __x64_sys_mount+0x20/0xc0
[  254.405904][ T6543]  do_syscall_64+0xfa/0xfa0
[  254.405930][ T6543]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.405951][ T6543]  ? clear_bhb_loop+0x60/0xb0
[  254.405974][ T6543]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.405994][ T6543] RIP: 0033:0x7fbeebb9038a
[  254.406013][ T6543] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.406031][ T6543] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.406055][ T6543] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  254.406070][ T6543] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  254.406085][ T6543] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  254.406099][ T6543] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  254.406113][ T6543] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  254.406137][ T6543]  </TASK>
[  254.406170][ T6543] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.726781][ T6543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.121266][ T6546] loop1: detected capacity change from 0 to 32768
[  255.137284][ T6546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.144908][ T6546] CPU: 1 UID: 0 PID: 6546 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  255.144937][ T6546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  255.144950][ T6546] Call Trace:
[  255.144959][ T6546]  <TASK>
[  255.144968][ T6546]  dump_stack_lvl+0x189/0x250
[  255.144998][ T6546]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.145024][ T6546]  ? __pfx__printk+0x10/0x10
[  255.145050][ T6546]  ? kernfs_root+0x1c/0x230
[  255.145072][ T6546]  ? kernfs_path_from_node+0x250/0x290
[  255.145089][ T6546]  ? kernfs_path_from_node+0x2f/0x290
[  255.145109][ T6546]  sysfs_create_dir_ns+0x259/0x280
[  255.145141][ T6546]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.145172][ T6546]  ? do_raw_spin_unlock+0x122/0x240
[  255.145196][ T6546]  kobject_add_internal+0x59f/0xb40
[  255.145227][ T6546]  kobject_init_and_add+0x125/0x190
[  255.145257][ T6546]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.145282][ T6546]  ? __raw_spin_lock_init+0x45/0x100
[  255.145303][ T6546]  ? __init_swait_queue_head+0xa9/0x150
[  255.145325][ T6546]  gfs2_sys_fs_add+0x234/0x450
[  255.145356][ T6546]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.145389][ T6546]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.145418][ T6546]  gfs2_fill_super+0x13c0/0x20d0
[  255.145450][ T6546]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.145474][ T6546]  ? sb_set_blocksize+0x104/0x180
[  255.145502][ T6546]  ? setup_bdev_super+0x4c1/0x5b0
[  255.145527][ T6546]  get_tree_bdev_flags+0x40e/0x4d0
[  255.145551][ T6546]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.145573][ T6546]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.145602][ T6546]  gfs2_get_tree+0x51/0x1e0
[  255.145626][ T6546]  vfs_get_tree+0x92/0x2b0
[  255.145650][ T6546]  do_new_mount+0x2a2/0xa30
[  255.145678][ T6546]  ? ns_capable+0x8a/0xf0
[  255.145707][ T6546]  ? __pfx_do_new_mount+0x10/0x10
[  255.145731][ T6546]  ? path_mount+0x61c/0xfe0
[  255.145755][ T6546]  ? user_path_at+0x44/0x60
[  255.145789][ T6546]  __se_sys_mount+0x317/0x410
[  255.145819][ T6546]  ? __pfx___se_sys_mount+0x10/0x10
[  255.145848][ T6546]  ? rcu_is_watching+0x15/0xb0
[  255.145877][ T6546]  ? __x64_sys_mount+0x20/0xc0
[  255.145905][ T6546]  do_syscall_64+0xfa/0xfa0
[  255.145929][ T6546]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.145949][ T6546]  ? clear_bhb_loop+0x60/0xb0
[  255.145972][ T6546]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.145993][ T6546] RIP: 0033:0x7fbeebb9038a
[  255.146011][ T6546] 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
[  255.146031][ T6546] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.146054][ T6546] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  255.146069][ T6546] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  255.146085][ T6546] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  255.146099][ T6546] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  255.146114][ T6546] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  255.146138][ T6546]  </TASK>
[  255.146160][ T6546] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.463278][ T6546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.719667][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[  255.726098][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
[  255.872007][ T6549] loop1: detected capacity change from 0 to 32768
[  255.889433][ T6549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.896898][ T6549] CPU: 1 UID: 0 PID: 6549 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  255.896927][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  255.896941][ T6549] Call Trace:
[  255.896949][ T6549]  <TASK>
[  255.896957][ T6549]  dump_stack_lvl+0x189/0x250
[  255.896989][ T6549]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.897012][ T6549]  ? __pfx__printk+0x10/0x10
[  255.897039][ T6549]  ? kernfs_root+0x1c/0x230
[  255.897059][ T6549]  ? kernfs_path_from_node+0x250/0x290
[  255.897077][ T6549]  ? kernfs_path_from_node+0x2f/0x290
[  255.897096][ T6549]  sysfs_create_dir_ns+0x259/0x280
[  255.897127][ T6549]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.897157][ T6549]  ? do_raw_spin_unlock+0x122/0x240
[  255.897181][ T6549]  kobject_add_internal+0x59f/0xb40
[  255.897212][ T6549]  kobject_init_and_add+0x125/0x190
[  255.897240][ T6549]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.897266][ T6549]  ? __raw_spin_lock_init+0x45/0x100
[  255.897287][ T6549]  ? __init_swait_queue_head+0xa9/0x150
[  255.897308][ T6549]  gfs2_sys_fs_add+0x234/0x450
[  255.897337][ T6549]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.897368][ T6549]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.897397][ T6549]  gfs2_fill_super+0x13c0/0x20d0
[  255.897427][ T6549]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.897451][ T6549]  ? sb_set_blocksize+0x104/0x180
[  255.897478][ T6549]  ? setup_bdev_super+0x4c1/0x5b0
[  255.897512][ T6549]  get_tree_bdev_flags+0x40e/0x4d0
[  255.897536][ T6549]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.897558][ T6549]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.897586][ T6549]  gfs2_get_tree+0x51/0x1e0
[  255.897609][ T6549]  vfs_get_tree+0x92/0x2b0
[  255.897633][ T6549]  do_new_mount+0x2a2/0xa30
[  255.897659][ T6549]  ? ns_capable+0x8a/0xf0
[  255.897686][ T6549]  ? __pfx_do_new_mount+0x10/0x10
[  255.897710][ T6549]  ? path_mount+0x61c/0xfe0
[  255.897732][ T6549]  ? user_path_at+0x44/0x60
[  255.897754][ T6549]  __se_sys_mount+0x317/0x410
[  255.897782][ T6549]  ? __pfx___se_sys_mount+0x10/0x10
[  255.897810][ T6549]  ? rcu_is_watching+0x15/0xb0
[  255.897838][ T6549]  ? __x64_sys_mount+0x20/0xc0
[  255.897864][ T6549]  do_syscall_64+0xfa/0xfa0
[  255.897888][ T6549]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.897907][ T6549]  ? clear_bhb_loop+0x60/0xb0
[  255.897929][ T6549]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.897948][ T6549] RIP: 0033:0x7fbeebb9038a
[  255.897966][ T6549] 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
[  255.897985][ T6549] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.898006][ T6549] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  255.898022][ T6549] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  255.898036][ T6549] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  255.898050][ T6549] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  255.898063][ T6549] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  255.898086][ T6549]  </TASK>
[  256.198294][ T6549] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.212719][ T6549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.598006][ T6552] loop1: detected capacity change from 0 to 32768
[  256.610587][ T6552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.626993][ T6552] CPU: 0 UID: 0 PID: 6552 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  256.627021][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  256.627035][ T6552] Call Trace:
[  256.627045][ T6552]  <TASK>
[  256.627053][ T6552]  dump_stack_lvl+0x189/0x250
[  256.627085][ T6552]  ? __pfx_dump_stack_lvl+0x10/0x10
[  256.627110][ T6552]  ? __pfx__printk+0x10/0x10
[  256.627138][ T6552]  ? kernfs_root+0x1c/0x230
[  256.627159][ T6552]  ? kernfs_path_from_node+0x250/0x290
[  256.627177][ T6552]  ? kernfs_path_from_node+0x2f/0x290
[  256.627196][ T6552]  sysfs_create_dir_ns+0x259/0x280
[  256.627229][ T6552]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.627259][ T6552]  ? do_raw_spin_unlock+0x122/0x240
[  256.627283][ T6552]  kobject_add_internal+0x59f/0xb40
[  256.627314][ T6552]  kobject_init_and_add+0x125/0x190
[  256.627342][ T6552]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.627368][ T6552]  ? __raw_spin_lock_init+0x45/0x100
[  256.627389][ T6552]  ? __init_swait_queue_head+0xa9/0x150
[  256.627411][ T6552]  gfs2_sys_fs_add+0x234/0x450
[  256.627443][ T6552]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.627487][ T6552]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.627518][ T6552]  gfs2_fill_super+0x13c0/0x20d0
[  256.627548][ T6552]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.627573][ T6552]  ? sb_set_blocksize+0x104/0x180
[  256.627601][ T6552]  ? setup_bdev_super+0x4c1/0x5b0
[  256.627626][ T6552]  get_tree_bdev_flags+0x40e/0x4d0
[  256.627651][ T6552]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.627674][ T6552]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.627702][ T6552]  gfs2_get_tree+0x51/0x1e0
[  256.627726][ T6552]  vfs_get_tree+0x92/0x2b0
[  256.627751][ T6552]  do_new_mount+0x2a2/0xa30
[  256.627778][ T6552]  ? ns_capable+0x8a/0xf0
[  256.627806][ T6552]  ? __pfx_do_new_mount+0x10/0x10
[  256.627831][ T6552]  ? path_mount+0x61c/0xfe0
[  256.627854][ T6552]  ? user_path_at+0x44/0x60
[  256.627877][ T6552]  __se_sys_mount+0x317/0x410
[  256.627907][ T6552]  ? __pfx___se_sys_mount+0x10/0x10
[  256.627935][ T6552]  ? rcu_is_watching+0x15/0xb0
[  256.627964][ T6552]  ? __x64_sys_mount+0x20/0xc0
[  256.627991][ T6552]  do_syscall_64+0xfa/0xfa0
[  256.628016][ T6552]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.628037][ T6552]  ? clear_bhb_loop+0x60/0xb0
[  256.628060][ T6552]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.628081][ T6552] RIP: 0033:0x7fbeebb9038a
[  256.628099][ T6552] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.628118][ T6552] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.628141][ T6552] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  256.628157][ T6552] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  256.628172][ T6552] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  256.628187][ T6552] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  256.628200][ T6552] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  256.628224][ T6552]  </TASK>
[  256.628245][ T6552] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.954119][ T6552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.352667][ T6555] loop1: detected capacity change from 0 to 32768
[  257.367542][ T6555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.375039][ T6555] CPU: 1 UID: 0 PID: 6555 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  257.375066][ T6555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  257.375081][ T6555] Call Trace:
[  257.375089][ T6555]  <TASK>
[  257.375097][ T6555]  dump_stack_lvl+0x189/0x250
[  257.375129][ T6555]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.375154][ T6555]  ? __pfx__printk+0x10/0x10
[  257.375181][ T6555]  ? kernfs_root+0x1c/0x230
[  257.375201][ T6555]  ? kernfs_path_from_node+0x250/0x290
[  257.375219][ T6555]  ? kernfs_path_from_node+0x2f/0x290
[  257.375239][ T6555]  sysfs_create_dir_ns+0x259/0x280
[  257.375272][ T6555]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.375303][ T6555]  ? do_raw_spin_unlock+0x122/0x240
[  257.375326][ T6555]  kobject_add_internal+0x59f/0xb40
[  257.375358][ T6555]  kobject_init_and_add+0x125/0x190
[  257.375385][ T6555]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.375411][ T6555]  ? __raw_spin_lock_init+0x45/0x100
[  257.375432][ T6555]  ? __init_swait_queue_head+0xa9/0x150
[  257.375454][ T6555]  gfs2_sys_fs_add+0x234/0x450
[  257.375485][ T6555]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.375518][ T6555]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.375548][ T6555]  gfs2_fill_super+0x13c0/0x20d0
[  257.375579][ T6555]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.375603][ T6555]  ? sb_set_blocksize+0x104/0x180
[  257.375631][ T6555]  ? setup_bdev_super+0x4c1/0x5b0
[  257.375656][ T6555]  get_tree_bdev_flags+0x40e/0x4d0
[  257.375690][ T6555]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.375712][ T6555]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.375742][ T6555]  gfs2_get_tree+0x51/0x1e0
[  257.375765][ T6555]  vfs_get_tree+0x92/0x2b0
[  257.375789][ T6555]  do_new_mount+0x2a2/0xa30
[  257.375817][ T6555]  ? ns_capable+0x8a/0xf0
[  257.375845][ T6555]  ? __pfx_do_new_mount+0x10/0x10
[  257.375871][ T6555]  ? path_mount+0x61c/0xfe0
[  257.375894][ T6555]  ? user_path_at+0x44/0x60
[  257.375918][ T6555]  __se_sys_mount+0x317/0x410
[  257.375947][ T6555]  ? __pfx___se_sys_mount+0x10/0x10
[  257.375976][ T6555]  ? rcu_is_watching+0x15/0xb0
[  257.376005][ T6555]  ? __x64_sys_mount+0x20/0xc0
[  257.376032][ T6555]  do_syscall_64+0xfa/0xfa0
[  257.376058][ T6555]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.376078][ T6555]  ? clear_bhb_loop+0x60/0xb0
[  257.376101][ T6555]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.376122][ T6555] RIP: 0033:0x7fbeebb9038a
[  257.376141][ T6555] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.376159][ T6555] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.376182][ T6555] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  257.376198][ T6555] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  257.376213][ T6555] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  257.376227][ T6555] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  257.376242][ T6555] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  257.376265][ T6555]  </TASK>
[  257.376287][ T6555] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.695545][ T6555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.079130][ T6558] loop1: detected capacity change from 0 to 32768
[  258.096405][ T6558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.103942][ T6558] CPU: 0 UID: 0 PID: 6558 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  258.103970][ T6558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  258.103984][ T6558] Call Trace:
[  258.103992][ T6558]  <TASK>
[  258.104000][ T6558]  dump_stack_lvl+0x189/0x250
[  258.104033][ T6558]  ? __pfx_dump_stack_lvl+0x10/0x10
[  258.104058][ T6558]  ? __pfx__printk+0x10/0x10
[  258.104085][ T6558]  ? kernfs_root+0x1c/0x230
[  258.104106][ T6558]  ? kernfs_path_from_node+0x250/0x290
[  258.104124][ T6558]  ? kernfs_path_from_node+0x2f/0x290
[  258.104143][ T6558]  sysfs_create_dir_ns+0x259/0x280
[  258.104175][ T6558]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.104206][ T6558]  ? do_raw_spin_unlock+0x122/0x240
[  258.104229][ T6558]  kobject_add_internal+0x59f/0xb40
[  258.104259][ T6558]  kobject_init_and_add+0x125/0x190
[  258.104285][ T6558]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.104309][ T6558]  ? __raw_spin_lock_init+0x45/0x100
[  258.104330][ T6558]  ? __init_swait_queue_head+0xa9/0x150
[  258.104350][ T6558]  gfs2_sys_fs_add+0x234/0x450
[  258.104380][ T6558]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.104411][ T6558]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.104439][ T6558]  gfs2_fill_super+0x13c0/0x20d0
[  258.104468][ T6558]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.104492][ T6558]  ? sb_set_blocksize+0x104/0x180
[  258.104519][ T6558]  ? setup_bdev_super+0x4c1/0x5b0
[  258.104543][ T6558]  get_tree_bdev_flags+0x40e/0x4d0
[  258.104566][ T6558]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.104589][ T6558]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.104630][ T6558]  gfs2_get_tree+0x51/0x1e0
[  258.104653][ T6558]  vfs_get_tree+0x92/0x2b0
[  258.104677][ T6558]  do_new_mount+0x2a2/0xa30
[  258.104704][ T6558]  ? ns_capable+0x8a/0xf0
[  258.104731][ T6558]  ? __pfx_do_new_mount+0x10/0x10
[  258.104754][ T6558]  ? path_mount+0x61c/0xfe0
[  258.104777][ T6558]  ? user_path_at+0x44/0x60
[  258.104801][ T6558]  __se_sys_mount+0x317/0x410
[  258.104830][ T6558]  ? __pfx___se_sys_mount+0x10/0x10
[  258.104857][ T6558]  ? rcu_is_watching+0x15/0xb0
[  258.104880][ T6558]  ? __x64_sys_mount+0x20/0xc0
[  258.104902][ T6558]  do_syscall_64+0xfa/0xfa0
[  258.104923][ T6558]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.104939][ T6558]  ? clear_bhb_loop+0x60/0xb0
[  258.104958][ T6558]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.104974][ T6558] RIP: 0033:0x7fbeebb9038a
[  258.104989][ T6558] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.105005][ T6558] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.105023][ T6558] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  258.105036][ T6558] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  258.105049][ T6558] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  258.105060][ T6558] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  258.105072][ T6558] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  258.105091][ T6558]  </TASK>
[  258.105113][ T6558] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.420156][ T6558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.824400][ T6561] loop1: detected capacity change from 0 to 32768
[  258.838645][ T6561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.846086][ T6561] CPU: 0 UID: 0 PID: 6561 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  258.846112][ T6561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  258.846127][ T6561] Call Trace:
[  258.846135][ T6561]  <TASK>
[  258.846144][ T6561]  dump_stack_lvl+0x189/0x250
[  258.846177][ T6561]  ? __pfx_dump_stack_lvl+0x10/0x10
[  258.846202][ T6561]  ? __pfx__printk+0x10/0x10
[  258.846229][ T6561]  ? kernfs_root+0x1c/0x230
[  258.846250][ T6561]  ? kernfs_path_from_node+0x250/0x290
[  258.846267][ T6561]  ? kernfs_path_from_node+0x2f/0x290
[  258.846288][ T6561]  sysfs_create_dir_ns+0x259/0x280
[  258.846318][ T6561]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.846349][ T6561]  ? do_raw_spin_unlock+0x122/0x240
[  258.846372][ T6561]  kobject_add_internal+0x59f/0xb40
[  258.846403][ T6561]  kobject_init_and_add+0x125/0x190
[  258.846431][ T6561]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.846457][ T6561]  ? __raw_spin_lock_init+0x45/0x100
[  258.846479][ T6561]  ? __init_swait_queue_head+0xa9/0x150
[  258.846500][ T6561]  gfs2_sys_fs_add+0x234/0x450
[  258.846540][ T6561]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.846583][ T6561]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.846613][ T6561]  gfs2_fill_super+0x13c0/0x20d0
[  258.846643][ T6561]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.846668][ T6561]  ? sb_set_blocksize+0x104/0x180
[  258.846695][ T6561]  ? setup_bdev_super+0x4c1/0x5b0
[  258.846721][ T6561]  get_tree_bdev_flags+0x40e/0x4d0
[  258.846746][ T6561]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.846769][ T6561]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.846805][ T6561]  gfs2_get_tree+0x51/0x1e0
[  258.846837][ T6561]  vfs_get_tree+0x92/0x2b0
[  258.846862][ T6561]  do_new_mount+0x2a2/0xa30
[  258.846890][ T6561]  ? ns_capable+0x8a/0xf0
[  258.846922][ T6561]  ? __pfx_do_new_mount+0x10/0x10
[  258.846945][ T6561]  ? path_mount+0x61c/0xfe0
[  258.846968][ T6561]  ? user_path_at+0x44/0x60
[  258.846991][ T6561]  __se_sys_mount+0x317/0x410
[  258.847021][ T6561]  ? __pfx___se_sys_mount+0x10/0x10
[  258.847057][ T6561]  ? rcu_is_watching+0x15/0xb0
[  258.847086][ T6561]  ? __x64_sys_mount+0x20/0xc0
[  258.847119][ T6561]  do_syscall_64+0xfa/0xfa0
[  258.847144][ T6561]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.847164][ T6561]  ? clear_bhb_loop+0x60/0xb0
[  258.847187][ T6561]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.847206][ T6561] RIP: 0033:0x7fbeebb9038a
[  258.847224][ T6561] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.847243][ T6561] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.847266][ T6561] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  258.847282][ T6561] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  258.847297][ T6561] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  258.847311][ T6561] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  258.847325][ T6561] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  258.847347][ T6561]  </TASK>
[  259.149352][ T6561] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.163445][ T6561] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 18:34:59 executed programs: 166
[  259.562862][ T6564] loop1: detected capacity change from 0 to 32768
[  259.586887][ T6564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.594445][ T6564] CPU: 0 UID: 0 PID: 6564 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  259.594474][ T6564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  259.594488][ T6564] Call Trace:
[  259.594496][ T6564]  <TASK>
[  259.594504][ T6564]  dump_stack_lvl+0x189/0x250
[  259.594542][ T6564]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.594567][ T6564]  ? __pfx__printk+0x10/0x10
[  259.594594][ T6564]  ? kernfs_root+0x1c/0x230
[  259.594614][ T6564]  ? kernfs_path_from_node+0x250/0x290
[  259.594632][ T6564]  ? kernfs_path_from_node+0x2f/0x290
[  259.594653][ T6564]  sysfs_create_dir_ns+0x259/0x280
[  259.594684][ T6564]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.594716][ T6564]  ? do_raw_spin_unlock+0x122/0x240
[  259.594739][ T6564]  kobject_add_internal+0x59f/0xb40
[  259.594772][ T6564]  kobject_init_and_add+0x125/0x190
[  259.594801][ T6564]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.594827][ T6564]  ? __raw_spin_lock_init+0x45/0x100
[  259.594849][ T6564]  ? __init_swait_queue_head+0xa9/0x150
[  259.594871][ T6564]  gfs2_sys_fs_add+0x234/0x450
[  259.594902][ T6564]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.594935][ T6564]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.594965][ T6564]  gfs2_fill_super+0x13c0/0x20d0
[  259.594995][ T6564]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.595019][ T6564]  ? sb_set_blocksize+0x104/0x180
[  259.595046][ T6564]  ? setup_bdev_super+0x4c1/0x5b0
[  259.595070][ T6564]  get_tree_bdev_flags+0x40e/0x4d0
[  259.595094][ T6564]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.595115][ T6564]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.595144][ T6564]  gfs2_get_tree+0x51/0x1e0
[  259.595168][ T6564]  vfs_get_tree+0x92/0x2b0
[  259.595193][ T6564]  do_new_mount+0x2a2/0xa30
[  259.595220][ T6564]  ? ns_capable+0x8a/0xf0
[  259.595249][ T6564]  ? __pfx_do_new_mount+0x10/0x10
[  259.595274][ T6564]  ? path_mount+0x61c/0xfe0
[  259.595298][ T6564]  ? user_path_at+0x44/0x60
[  259.595321][ T6564]  __se_sys_mount+0x317/0x410
[  259.595351][ T6564]  ? __pfx___se_sys_mount+0x10/0x10
[  259.595379][ T6564]  ? rcu_is_watching+0x15/0xb0
[  259.595408][ T6564]  ? __x64_sys_mount+0x20/0xc0
[  259.595445][ T6564]  do_syscall_64+0xfa/0xfa0
[  259.595469][ T6564]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.595496][ T6564]  ? clear_bhb_loop+0x60/0xb0
[  259.595519][ T6564]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.595539][ T6564] RIP: 0033:0x7fbeebb9038a
[  259.595558][ T6564] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  259.595577][ T6564] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.595599][ T6564] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  259.595615][ T6564] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  259.595631][ T6564] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  259.595645][ T6564] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  259.595659][ T6564] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  259.595683][ T6564]  </TASK>
[  259.595713][ T6564] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.910624][ T6564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.295403][ T6567] loop1: detected capacity change from 0 to 32768
[  260.309782][ T6567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.317559][ T6567] CPU: 0 UID: 0 PID: 6567 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  260.317585][ T6567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  260.317599][ T6567] Call Trace:
[  260.317607][ T6567]  <TASK>
[  260.317615][ T6567]  dump_stack_lvl+0x189/0x250
[  260.317647][ T6567]  ? __pfx_dump_stack_lvl+0x10/0x10
[  260.317672][ T6567]  ? __pfx__printk+0x10/0x10
[  260.317698][ T6567]  ? kernfs_root+0x1c/0x230
[  260.317719][ T6567]  ? kernfs_path_from_node+0x250/0x290
[  260.317737][ T6567]  ? kernfs_path_from_node+0x2f/0x290
[  260.317758][ T6567]  sysfs_create_dir_ns+0x259/0x280
[  260.317790][ T6567]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  260.317821][ T6567]  ? do_raw_spin_unlock+0x122/0x240
[  260.317844][ T6567]  kobject_add_internal+0x59f/0xb40
[  260.317876][ T6567]  kobject_init_and_add+0x125/0x190
[  260.317903][ T6567]  ? __pfx_kobject_init_and_add+0x10/0x10
[  260.317929][ T6567]  ? __raw_spin_lock_init+0x45/0x100
[  260.317951][ T6567]  ? __init_swait_queue_head+0xa9/0x150
[  260.317972][ T6567]  gfs2_sys_fs_add+0x234/0x450
[  260.318003][ T6567]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  260.318035][ T6567]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  260.318065][ T6567]  gfs2_fill_super+0x13c0/0x20d0
[  260.318095][ T6567]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.318120][ T6567]  ? sb_set_blocksize+0x104/0x180
[  260.318147][ T6567]  ? setup_bdev_super+0x4c1/0x5b0
[  260.318173][ T6567]  get_tree_bdev_flags+0x40e/0x4d0
[  260.318210][ T6567]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.318233][ T6567]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  260.318262][ T6567]  gfs2_get_tree+0x51/0x1e0
[  260.318287][ T6567]  vfs_get_tree+0x92/0x2b0
[  260.318311][ T6567]  do_new_mount+0x2a2/0xa30
[  260.318339][ T6567]  ? ns_capable+0x8a/0xf0
[  260.318367][ T6567]  ? __pfx_do_new_mount+0x10/0x10
[  260.318392][ T6567]  ? path_mount+0x61c/0xfe0
[  260.318416][ T6567]  ? user_path_at+0x44/0x60
[  260.318440][ T6567]  __se_sys_mount+0x317/0x410
[  260.318469][ T6567]  ? __pfx___se_sys_mount+0x10/0x10
[  260.318498][ T6567]  ? rcu_is_watching+0x15/0xb0
[  260.318526][ T6567]  ? __x64_sys_mount+0x20/0xc0
[  260.318553][ T6567]  do_syscall_64+0xfa/0xfa0
[  260.318578][ T6567]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.318599][ T6567]  ? clear_bhb_loop+0x60/0xb0
[  260.318622][ T6567]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.318642][ T6567] RIP: 0033:0x7fbeebb9038a
[  260.318661][ T6567] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.318680][ T6567] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.318703][ T6567] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  260.318719][ T6567] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  260.318735][ T6567] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  260.318749][ T6567] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  260.318763][ T6567] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  260.318787][ T6567]  </TASK>
[  260.318875][ T6567] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.636558][ T6567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.030751][ T6570] loop1: detected capacity change from 0 to 32768
[  261.042586][ T6570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.050417][ T6570] CPU: 0 UID: 0 PID: 6570 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  261.050444][ T6570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  261.050458][ T6570] Call Trace:
[  261.050466][ T6570]  <TASK>
[  261.050475][ T6570]  dump_stack_lvl+0x189/0x250
[  261.050506][ T6570]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.050531][ T6570]  ? __pfx__printk+0x10/0x10
[  261.050558][ T6570]  ? kernfs_root+0x1c/0x230
[  261.050579][ T6570]  ? kernfs_path_from_node+0x250/0x290
[  261.050597][ T6570]  ? kernfs_path_from_node+0x2f/0x290
[  261.050617][ T6570]  sysfs_create_dir_ns+0x259/0x280
[  261.050648][ T6570]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.050680][ T6570]  ? do_raw_spin_unlock+0x122/0x240
[  261.050704][ T6570]  kobject_add_internal+0x59f/0xb40
[  261.050736][ T6570]  kobject_init_and_add+0x125/0x190
[  261.050764][ T6570]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.050790][ T6570]  ? __raw_spin_lock_init+0x45/0x100
[  261.050812][ T6570]  ? __init_swait_queue_head+0xa9/0x150
[  261.050834][ T6570]  gfs2_sys_fs_add+0x234/0x450
[  261.050865][ T6570]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.050898][ T6570]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.050928][ T6570]  gfs2_fill_super+0x13c0/0x20d0
[  261.050958][ T6570]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.050983][ T6570]  ? sb_set_blocksize+0x104/0x180
[  261.051010][ T6570]  ? setup_bdev_super+0x4c1/0x5b0
[  261.051035][ T6570]  get_tree_bdev_flags+0x40e/0x4d0
[  261.051073][ T6570]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.051096][ T6570]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.051126][ T6570]  gfs2_get_tree+0x51/0x1e0
[  261.051150][ T6570]  vfs_get_tree+0x92/0x2b0
[  261.051175][ T6570]  do_new_mount+0x2a2/0xa30
[  261.051203][ T6570]  ? ns_capable+0x8a/0xf0
[  261.051232][ T6570]  ? __pfx_do_new_mount+0x10/0x10
[  261.051257][ T6570]  ? path_mount+0x61c/0xfe0
[  261.051280][ T6570]  ? user_path_at+0x44/0x60
[  261.051303][ T6570]  __se_sys_mount+0x317/0x410
[  261.051333][ T6570]  ? __pfx___se_sys_mount+0x10/0x10
[  261.051361][ T6570]  ? rcu_is_watching+0x15/0xb0
[  261.051389][ T6570]  ? __x64_sys_mount+0x20/0xc0
[  261.051416][ T6570]  do_syscall_64+0xfa/0xfa0
[  261.051441][ T6570]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.051462][ T6570]  ? clear_bhb_loop+0x60/0xb0
[  261.051485][ T6570]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.051506][ T6570] RIP: 0033:0x7fbeebb9038a
[  261.051524][ T6570] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.051543][ T6570] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.051565][ T6570] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  261.051582][ T6570] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  261.051597][ T6570] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  261.051612][ T6570] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  261.051626][ T6570] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  261.051649][ T6570]  </TASK>
[  261.051671][ T6570] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.366797][ T6570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.758109][ T6573] loop1: detected capacity change from 0 to 32768
[  261.775662][ T6573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.783634][ T6573] CPU: 0 UID: 0 PID: 6573 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  261.783662][ T6573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  261.783676][ T6573] Call Trace:
[  261.783684][ T6573]  <TASK>
[  261.783693][ T6573]  dump_stack_lvl+0x189/0x250
[  261.783724][ T6573]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.783749][ T6573]  ? __pfx__printk+0x10/0x10
[  261.783775][ T6573]  ? kernfs_root+0x1c/0x230
[  261.783797][ T6573]  ? kernfs_path_from_node+0x250/0x290
[  261.783815][ T6573]  ? kernfs_path_from_node+0x2f/0x290
[  261.783835][ T6573]  sysfs_create_dir_ns+0x259/0x280
[  261.783867][ T6573]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.783898][ T6573]  ? do_raw_spin_unlock+0x122/0x240
[  261.783922][ T6573]  kobject_add_internal+0x59f/0xb40
[  261.783963][ T6573]  kobject_init_and_add+0x125/0x190
[  261.783991][ T6573]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.784017][ T6573]  ? __raw_spin_lock_init+0x45/0x100
[  261.784037][ T6573]  ? __init_swait_queue_head+0xa9/0x150
[  261.784069][ T6573]  gfs2_sys_fs_add+0x234/0x450
[  261.784100][ T6573]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.784132][ T6573]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.784162][ T6573]  gfs2_fill_super+0x13c0/0x20d0
[  261.784193][ T6573]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.784218][ T6573]  ? sb_set_blocksize+0x104/0x180
[  261.784246][ T6573]  ? setup_bdev_super+0x4c1/0x5b0
[  261.784271][ T6573]  get_tree_bdev_flags+0x40e/0x4d0
[  261.784433][ T6573]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.784457][ T6573]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.784487][ T6573]  gfs2_get_tree+0x51/0x1e0
[  261.784512][ T6573]  vfs_get_tree+0x92/0x2b0
[  261.784536][ T6573]  do_new_mount+0x2a2/0xa30
[  261.784564][ T6573]  ? ns_capable+0x8a/0xf0
[  261.784594][ T6573]  ? __pfx_do_new_mount+0x10/0x10
[  261.784619][ T6573]  ? path_mount+0x61c/0xfe0
[  261.784643][ T6573]  ? user_path_at+0x44/0x60
[  261.784667][ T6573]  __se_sys_mount+0x317/0x410
[  261.784696][ T6573]  ? __pfx___se_sys_mount+0x10/0x10
[  261.784724][ T6573]  ? rcu_is_watching+0x15/0xb0
[  261.784753][ T6573]  ? __x64_sys_mount+0x20/0xc0
[  261.784781][ T6573]  do_syscall_64+0xfa/0xfa0
[  261.784806][ T6573]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.784828][ T6573]  ? clear_bhb_loop+0x60/0xb0
[  261.784850][ T6573]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.784870][ T6573] RIP: 0033:0x7fbeebb9038a
[  261.784889][ T6573] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.784909][ T6573] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.784932][ T6573] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  261.784948][ T6573] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  261.784964][ T6573] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  261.784977][ T6573] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  261.784990][ T6573] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  261.785014][ T6573]  </TASK>
[  261.785050][ T6573] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.105349][ T6573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.495140][ T6576] loop1: detected capacity change from 0 to 32768
[  262.511745][ T6576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.519572][ T6576] CPU: 0 UID: 0 PID: 6576 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  262.519599][ T6576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  262.519612][ T6576] Call Trace:
[  262.519621][ T6576]  <TASK>
[  262.519629][ T6576]  dump_stack_lvl+0x189/0x250
[  262.519660][ T6576]  ? __pfx_dump_stack_lvl+0x10/0x10
[  262.519685][ T6576]  ? __pfx__printk+0x10/0x10
[  262.519711][ T6576]  ? kernfs_root+0x1c/0x230
[  262.519731][ T6576]  ? kernfs_path_from_node+0x250/0x290
[  262.519749][ T6576]  ? kernfs_path_from_node+0x2f/0x290
[  262.519769][ T6576]  sysfs_create_dir_ns+0x259/0x280
[  262.519800][ T6576]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.519831][ T6576]  ? do_raw_spin_unlock+0x122/0x240
[  262.519854][ T6576]  kobject_add_internal+0x59f/0xb40
[  262.519886][ T6576]  kobject_init_and_add+0x125/0x190
[  262.519913][ T6576]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.519938][ T6576]  ? __raw_spin_lock_init+0x45/0x100
[  262.519959][ T6576]  ? __init_swait_queue_head+0xa9/0x150
[  262.519978][ T6576]  gfs2_sys_fs_add+0x234/0x450
[  262.520005][ T6576]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.520043][ T6576]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.520073][ T6576]  gfs2_fill_super+0x13c0/0x20d0
[  262.520103][ T6576]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.520128][ T6576]  ? sb_set_blocksize+0x104/0x180
[  262.520156][ T6576]  ? setup_bdev_super+0x4c1/0x5b0
[  262.520182][ T6576]  get_tree_bdev_flags+0x40e/0x4d0
[  262.520214][ T6576]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.520237][ T6576]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.520266][ T6576]  gfs2_get_tree+0x51/0x1e0
[  262.520290][ T6576]  vfs_get_tree+0x92/0x2b0
[  262.520315][ T6576]  do_new_mount+0x2a2/0xa30
[  262.520342][ T6576]  ? ns_capable+0x8a/0xf0
[  262.520371][ T6576]  ? __pfx_do_new_mount+0x10/0x10
[  262.520396][ T6576]  ? path_mount+0x61c/0xfe0
[  262.520419][ T6576]  ? user_path_at+0x44/0x60
[  262.520442][ T6576]  __se_sys_mount+0x317/0x410
[  262.520470][ T6576]  ? __pfx___se_sys_mount+0x10/0x10
[  262.520499][ T6576]  ? rcu_is_watching+0x15/0xb0
[  262.520527][ T6576]  ? __x64_sys_mount+0x20/0xc0
[  262.520554][ T6576]  do_syscall_64+0xfa/0xfa0
[  262.520578][ T6576]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.520599][ T6576]  ? clear_bhb_loop+0x60/0xb0
[  262.520622][ T6576]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.520642][ T6576] RIP: 0033:0x7fbeebb9038a
[  262.520660][ T6576] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  262.520679][ T6576] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.520701][ T6576] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  262.520718][ T6576] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  262.520733][ T6576] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  262.520748][ T6576] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  262.520762][ T6576] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  262.520785][ T6576]  </TASK>
[  262.520813][ T6576] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.839066][ T6576] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.227877][ T6579] loop1: detected capacity change from 0 to 32768
[  263.249972][ T6579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.258058][ T6579] CPU: 1 UID: 0 PID: 6579 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  263.258085][ T6579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  263.258098][ T6579] Call Trace:
[  263.258113][ T6579]  <TASK>
[  263.258122][ T6579]  dump_stack_lvl+0x189/0x250
[  263.258153][ T6579]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.258177][ T6579]  ? __pfx__printk+0x10/0x10
[  263.258203][ T6579]  ? kernfs_root+0x1c/0x230
[  263.258224][ T6579]  ? kernfs_path_from_node+0x250/0x290
[  263.258242][ T6579]  ? kernfs_path_from_node+0x2f/0x290
[  263.258262][ T6579]  sysfs_create_dir_ns+0x259/0x280
[  263.258294][ T6579]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.258325][ T6579]  ? do_raw_spin_unlock+0x122/0x240
[  263.258349][ T6579]  kobject_add_internal+0x59f/0xb40
[  263.258380][ T6579]  kobject_init_and_add+0x125/0x190
[  263.258408][ T6579]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.258434][ T6579]  ? __raw_spin_lock_init+0x45/0x100
[  263.258456][ T6579]  ? __init_swait_queue_head+0xa9/0x150
[  263.258478][ T6579]  gfs2_sys_fs_add+0x234/0x450
[  263.258508][ T6579]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.258542][ T6579]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.258572][ T6579]  gfs2_fill_super+0x13c0/0x20d0
[  263.258602][ T6579]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.258627][ T6579]  ? sb_set_blocksize+0x104/0x180
[  263.258655][ T6579]  ? setup_bdev_super+0x4c1/0x5b0
[  263.258680][ T6579]  get_tree_bdev_flags+0x40e/0x4d0
[  263.258705][ T6579]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.258727][ T6579]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.258757][ T6579]  gfs2_get_tree+0x51/0x1e0
[  263.258780][ T6579]  vfs_get_tree+0x92/0x2b0
[  263.258805][ T6579]  do_new_mount+0x2a2/0xa30
[  263.258833][ T6579]  ? ns_capable+0x8a/0xf0
[  263.258862][ T6579]  ? __pfx_do_new_mount+0x10/0x10
[  263.258886][ T6579]  ? path_mount+0x61c/0xfe0
[  263.258909][ T6579]  ? user_path_at+0x44/0x60
[  263.258932][ T6579]  __se_sys_mount+0x317/0x410
[  263.258961][ T6579]  ? __pfx___se_sys_mount+0x10/0x10
[  263.258989][ T6579]  ? rcu_is_watching+0x15/0xb0
[  263.259017][ T6579]  ? __x64_sys_mount+0x20/0xc0
[  263.259044][ T6579]  do_syscall_64+0xfa/0xfa0
[  263.259067][ T6579]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.259087][ T6579]  ? clear_bhb_loop+0x60/0xb0
[  263.259120][ T6579]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.259140][ T6579] RIP: 0033:0x7fbeebb9038a
[  263.259157][ T6579] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  263.259175][ T6579] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.259196][ T6579] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  263.259212][ T6579] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  263.259227][ T6579] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  263.259242][ T6579] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  263.259256][ T6579] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  263.259279][ T6579]  </TASK>
[  263.259299][ T6579] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.577383][ T6579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.964102][ T6582] loop1: detected capacity change from 0 to 32768
[  263.980252][ T6582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.987818][ T6582] CPU: 0 UID: 0 PID: 6582 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  263.987845][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  263.987866][ T6582] Call Trace:
[  263.987874][ T6582]  <TASK>
[  263.987883][ T6582]  dump_stack_lvl+0x189/0x250
[  263.987915][ T6582]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.987940][ T6582]  ? __pfx__printk+0x10/0x10
[  263.987967][ T6582]  ? kernfs_root+0x1c/0x230
[  263.987988][ T6582]  ? kernfs_path_from_node+0x250/0x290
[  263.988006][ T6582]  ? kernfs_path_from_node+0x2f/0x290
[  263.988026][ T6582]  sysfs_create_dir_ns+0x259/0x280
[  263.988057][ T6582]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.988089][ T6582]  ? do_raw_spin_unlock+0x122/0x240
[  263.988113][ T6582]  kobject_add_internal+0x59f/0xb40
[  263.988144][ T6582]  kobject_init_and_add+0x125/0x190
[  263.988173][ T6582]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.988199][ T6582]  ? __raw_spin_lock_init+0x45/0x100
[  263.988226][ T6582]  ? __init_swait_queue_head+0xa9/0x150
[  263.988248][ T6582]  gfs2_sys_fs_add+0x234/0x450
[  263.988279][ T6582]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.988311][ T6582]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.988339][ T6582]  gfs2_fill_super+0x13c0/0x20d0
[  263.988369][ T6582]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.988393][ T6582]  ? sb_set_blocksize+0x104/0x180
[  263.988420][ T6582]  ? setup_bdev_super+0x4c1/0x5b0
[  263.988445][ T6582]  get_tree_bdev_flags+0x40e/0x4d0
[  263.988469][ T6582]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.988492][ T6582]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.988521][ T6582]  gfs2_get_tree+0x51/0x1e0
[  263.988544][ T6582]  vfs_get_tree+0x92/0x2b0
[  263.988570][ T6582]  do_new_mount+0x2a2/0xa30
[  263.988597][ T6582]  ? ns_capable+0x8a/0xf0
[  263.988625][ T6582]  ? __pfx_do_new_mount+0x10/0x10
[  263.988650][ T6582]  ? path_mount+0x61c/0xfe0
[  263.988674][ T6582]  ? user_path_at+0x44/0x60
[  263.988697][ T6582]  __se_sys_mount+0x317/0x410
[  263.988727][ T6582]  ? __pfx___se_sys_mount+0x10/0x10
[  263.988755][ T6582]  ? rcu_is_watching+0x15/0xb0
[  263.988784][ T6582]  ? __x64_sys_mount+0x20/0xc0
[  263.988811][ T6582]  do_syscall_64+0xfa/0xfa0
[  263.988836][ T6582]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.988867][ T6582]  ? clear_bhb_loop+0x60/0xb0
[  263.988890][ T6582]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.988910][ T6582] RIP: 0033:0x7fbeebb9038a
[  263.988928][ T6582] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  263.988948][ T6582] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.988971][ T6582] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  263.988987][ T6582] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  263.989002][ T6582] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  263.989017][ T6582] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  263.989031][ T6582] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  263.989055][ T6582]  </TASK>
[  263.989141][ T6582] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.303296][ T6582] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 18:35:05 executed programs: 173
[  264.698036][ T6585] loop1: detected capacity change from 0 to 32768
[  264.713507][ T6585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.721080][ T6585] CPU: 0 UID: 0 PID: 6585 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  264.721106][ T6585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  264.721120][ T6585] Call Trace:
[  264.721127][ T6585]  <TASK>
[  264.721135][ T6585]  dump_stack_lvl+0x189/0x250
[  264.721166][ T6585]  ? __pfx_dump_stack_lvl+0x10/0x10
[  264.721190][ T6585]  ? __pfx__printk+0x10/0x10
[  264.721215][ T6585]  ? kernfs_root+0x1c/0x230
[  264.721235][ T6585]  ? kernfs_path_from_node+0x250/0x290
[  264.721252][ T6585]  ? kernfs_path_from_node+0x2f/0x290
[  264.721271][ T6585]  sysfs_create_dir_ns+0x259/0x280
[  264.721301][ T6585]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.721330][ T6585]  ? do_raw_spin_unlock+0x122/0x240
[  264.721353][ T6585]  kobject_add_internal+0x59f/0xb40
[  264.721383][ T6585]  kobject_init_and_add+0x125/0x190
[  264.721409][ T6585]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.721433][ T6585]  ? __raw_spin_lock_init+0x45/0x100
[  264.721454][ T6585]  ? __init_swait_queue_head+0xa9/0x150
[  264.721475][ T6585]  gfs2_sys_fs_add+0x234/0x450
[  264.721504][ T6585]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.721536][ T6585]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.721564][ T6585]  gfs2_fill_super+0x13c0/0x20d0
[  264.721593][ T6585]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.721617][ T6585]  ? sb_set_blocksize+0x104/0x180
[  264.721643][ T6585]  ? setup_bdev_super+0x4c1/0x5b0
[  264.721668][ T6585]  get_tree_bdev_flags+0x40e/0x4d0
[  264.721691][ T6585]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.721712][ T6585]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.721740][ T6585]  gfs2_get_tree+0x51/0x1e0
[  264.721762][ T6585]  vfs_get_tree+0x92/0x2b0
[  264.721786][ T6585]  do_new_mount+0x2a2/0xa30
[  264.721820][ T6585]  ? ns_capable+0x8a/0xf0
[  264.721847][ T6585]  ? __pfx_do_new_mount+0x10/0x10
[  264.721871][ T6585]  ? path_mount+0x61c/0xfe0
[  264.721893][ T6585]  ? user_path_at+0x44/0x60
[  264.721915][ T6585]  __se_sys_mount+0x317/0x410
[  264.721944][ T6585]  ? __pfx___se_sys_mount+0x10/0x10
[  264.721971][ T6585]  ? rcu_is_watching+0x15/0xb0
[  264.721999][ T6585]  ? __x64_sys_mount+0x20/0xc0
[  264.722025][ T6585]  do_syscall_64+0xfa/0xfa0
[  264.722049][ T6585]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.722070][ T6585]  ? clear_bhb_loop+0x60/0xb0
[  264.722093][ T6585]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.722112][ T6585] RIP: 0033:0x7fbeebb9038a
[  264.722129][ T6585] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  264.722146][ T6585] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.722168][ T6585] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  264.722183][ T6585] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  264.722198][ T6585] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  264.722212][ T6585] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  264.722225][ T6585] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  264.722247][ T6585]  </TASK>
[  264.722266][ T6585] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.040960][ T6585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.442151][ T6588] loop1: detected capacity change from 0 to 32768
[  265.452072][ T6588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.465419][ T6588] CPU: 0 UID: 0 PID: 6588 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  265.465444][ T6588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  265.465458][ T6588] Call Trace:
[  265.465466][ T6588]  <TASK>
[  265.465475][ T6588]  dump_stack_lvl+0x189/0x250
[  265.465505][ T6588]  ? __pfx_dump_stack_lvl+0x10/0x10
[  265.465530][ T6588]  ? __pfx__printk+0x10/0x10
[  265.465555][ T6588]  ? kernfs_root+0x1c/0x230
[  265.465576][ T6588]  ? kernfs_path_from_node+0x250/0x290
[  265.465592][ T6588]  ? kernfs_path_from_node+0x2f/0x290
[  265.465613][ T6588]  sysfs_create_dir_ns+0x259/0x280
[  265.465644][ T6588]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.465675][ T6588]  ? do_raw_spin_unlock+0x122/0x240
[  265.465699][ T6588]  kobject_add_internal+0x59f/0xb40
[  265.465731][ T6588]  kobject_init_and_add+0x125/0x190
[  265.465760][ T6588]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.465786][ T6588]  ? __raw_spin_lock_init+0x45/0x100
[  265.465807][ T6588]  ? __init_swait_queue_head+0xa9/0x150
[  265.465829][ T6588]  gfs2_sys_fs_add+0x234/0x450
[  265.465860][ T6588]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.465893][ T6588]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.465931][ T6588]  gfs2_fill_super+0x13c0/0x20d0
[  265.465962][ T6588]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.465987][ T6588]  ? sb_set_blocksize+0x104/0x180
[  265.466013][ T6588]  ? setup_bdev_super+0x4c1/0x5b0
[  265.466045][ T6588]  get_tree_bdev_flags+0x40e/0x4d0
[  265.466070][ T6588]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.466092][ T6588]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.466127][ T6588]  gfs2_get_tree+0x51/0x1e0
[  265.466151][ T6588]  vfs_get_tree+0x92/0x2b0
[  265.466176][ T6588]  do_new_mount+0x2a2/0xa30
[  265.466204][ T6588]  ? ns_capable+0x8a/0xf0
[  265.466232][ T6588]  ? __pfx_do_new_mount+0x10/0x10
[  265.466257][ T6588]  ? path_mount+0x61c/0xfe0
[  265.466281][ T6588]  ? user_path_at+0x44/0x60
[  265.466304][ T6588]  __se_sys_mount+0x317/0x410
[  265.466339][ T6588]  ? __pfx___se_sys_mount+0x10/0x10
[  265.466367][ T6588]  ? rcu_is_watching+0x15/0xb0
[  265.466395][ T6588]  ? __x64_sys_mount+0x20/0xc0
[  265.466423][ T6588]  do_syscall_64+0xfa/0xfa0
[  265.466448][ T6588]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.466468][ T6588]  ? clear_bhb_loop+0x60/0xb0
[  265.466491][ T6588]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.466511][ T6588] RIP: 0033:0x7fbeebb9038a
[  265.466529][ T6588] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  265.466548][ T6588] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.466571][ T6588] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  265.466587][ T6588] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  265.466603][ T6588] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  265.466618][ T6588] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  265.466632][ T6588] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  265.466656][ T6588]  </TASK>
[  265.466678][ T6588] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.787321][ T6588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.198293][ T6591] loop1: detected capacity change from 0 to 32768
[  266.220794][ T6591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.228360][ T6591] CPU: 0 UID: 0 PID: 6591 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  266.228389][ T6591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  266.228402][ T6591] Call Trace:
[  266.228410][ T6591]  <TASK>
[  266.228419][ T6591]  dump_stack_lvl+0x189/0x250
[  266.228450][ T6591]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.228474][ T6591]  ? __pfx__printk+0x10/0x10
[  266.228500][ T6591]  ? kernfs_root+0x1c/0x230
[  266.228522][ T6591]  ? kernfs_path_from_node+0x250/0x290
[  266.228539][ T6591]  ? kernfs_path_from_node+0x2f/0x290
[  266.228559][ T6591]  sysfs_create_dir_ns+0x259/0x280
[  266.228591][ T6591]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.228622][ T6591]  ? do_raw_spin_unlock+0x122/0x240
[  266.228646][ T6591]  kobject_add_internal+0x59f/0xb40
[  266.228678][ T6591]  kobject_init_and_add+0x125/0x190
[  266.228706][ T6591]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.228731][ T6591]  ? __raw_spin_lock_init+0x45/0x100
[  266.228753][ T6591]  ? __init_swait_queue_head+0xa9/0x150
[  266.228775][ T6591]  gfs2_sys_fs_add+0x234/0x450
[  266.228805][ T6591]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.228836][ T6591]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.228878][ T6591]  gfs2_fill_super+0x13c0/0x20d0
[  266.228907][ T6591]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.228933][ T6591]  ? sb_set_blocksize+0x104/0x180
[  266.228959][ T6591]  ? setup_bdev_super+0x4c1/0x5b0
[  266.228983][ T6591]  get_tree_bdev_flags+0x40e/0x4d0
[  266.229008][ T6591]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.229030][ T6591]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.229059][ T6591]  gfs2_get_tree+0x51/0x1e0
[  266.229083][ T6591]  vfs_get_tree+0x92/0x2b0
[  266.229108][ T6591]  do_new_mount+0x2a2/0xa30
[  266.229136][ T6591]  ? ns_capable+0x8a/0xf0
[  266.229163][ T6591]  ? __pfx_do_new_mount+0x10/0x10
[  266.229187][ T6591]  ? path_mount+0x61c/0xfe0
[  266.229209][ T6591]  ? user_path_at+0x44/0x60
[  266.229231][ T6591]  __se_sys_mount+0x317/0x410
[  266.229261][ T6591]  ? __pfx___se_sys_mount+0x10/0x10
[  266.229289][ T6591]  ? rcu_is_watching+0x15/0xb0
[  266.229317][ T6591]  ? __x64_sys_mount+0x20/0xc0
[  266.229344][ T6591]  do_syscall_64+0xfa/0xfa0
[  266.229370][ T6591]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.229391][ T6591]  ? clear_bhb_loop+0x60/0xb0
[  266.229414][ T6591]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.229433][ T6591] RIP: 0033:0x7fbeebb9038a
[  266.229451][ T6591] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.229470][ T6591] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.229493][ T6591] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  266.229510][ T6591] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  266.229525][ T6591] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  266.229540][ T6591] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  266.229554][ T6591] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  266.229578][ T6591]  </TASK>
[  266.229623][ T6591] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.549788][ T6591] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.936494][ T6594] loop1: detected capacity change from 0 to 32768
[  266.967077][ T6594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.974528][ T6594] CPU: 0 UID: 0 PID: 6594 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  266.974555][ T6594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  266.974570][ T6594] Call Trace:
[  266.974579][ T6594]  <TASK>
[  266.974599][ T6594]  dump_stack_lvl+0x189/0x250
[  266.974631][ T6594]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.974657][ T6594]  ? __pfx__printk+0x10/0x10
[  266.974683][ T6594]  ? kernfs_root+0x1c/0x230
[  266.974705][ T6594]  ? kernfs_path_from_node+0x250/0x290
[  266.974722][ T6594]  ? kernfs_path_from_node+0x2f/0x290
[  266.974743][ T6594]  sysfs_create_dir_ns+0x259/0x280
[  266.974774][ T6594]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.974805][ T6594]  ? do_raw_spin_unlock+0x122/0x240
[  266.974830][ T6594]  kobject_add_internal+0x59f/0xb40
[  266.974861][ T6594]  kobject_init_and_add+0x125/0x190
[  266.974890][ T6594]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.974916][ T6594]  ? __raw_spin_lock_init+0x45/0x100
[  266.974937][ T6594]  ? __init_swait_queue_head+0xa9/0x150
[  266.974959][ T6594]  gfs2_sys_fs_add+0x234/0x450
[  266.974989][ T6594]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.975021][ T6594]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.975052][ T6594]  gfs2_fill_super+0x13c0/0x20d0
[  266.975082][ T6594]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.975107][ T6594]  ? sb_set_blocksize+0x104/0x180
[  266.975134][ T6594]  ? setup_bdev_super+0x4c1/0x5b0
[  266.975160][ T6594]  get_tree_bdev_flags+0x40e/0x4d0
[  266.975185][ T6594]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.975207][ T6594]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.975237][ T6594]  gfs2_get_tree+0x51/0x1e0
[  266.975261][ T6594]  vfs_get_tree+0x92/0x2b0
[  266.975286][ T6594]  do_new_mount+0x2a2/0xa30
[  266.975314][ T6594]  ? ns_capable+0x8a/0xf0
[  266.975342][ T6594]  ? __pfx_do_new_mount+0x10/0x10
[  266.975367][ T6594]  ? path_mount+0x61c/0xfe0
[  266.975390][ T6594]  ? user_path_at+0x44/0x60
[  266.975413][ T6594]  __se_sys_mount+0x317/0x410
[  266.975443][ T6594]  ? __pfx___se_sys_mount+0x10/0x10
[  266.975470][ T6594]  ? rcu_is_watching+0x15/0xb0
[  266.975499][ T6594]  ? __x64_sys_mount+0x20/0xc0
[  266.975526][ T6594]  do_syscall_64+0xfa/0xfa0
[  266.975550][ T6594]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.975571][ T6594]  ? clear_bhb_loop+0x60/0xb0
[  266.975603][ T6594]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.975624][ T6594] RIP: 0033:0x7fbeebb9038a
[  266.975642][ T6594] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.975660][ T6594] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.975683][ T6594] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  266.975699][ T6594] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  266.975714][ T6594] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  266.975729][ T6594] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  266.975743][ T6594] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  266.975767][ T6594]  </TASK>
[  266.975788][ T6594] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.293358][ T6594] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.685321][ T6597] loop1: detected capacity change from 0 to 32768
[  267.697069][ T6597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.704597][ T6597] CPU: 0 UID: 0 PID: 6597 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  267.704624][ T6597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  267.704638][ T6597] Call Trace:
[  267.704647][ T6597]  <TASK>
[  267.704656][ T6597]  dump_stack_lvl+0x189/0x250
[  267.704689][ T6597]  ? __pfx_dump_stack_lvl+0x10/0x10
[  267.704714][ T6597]  ? __pfx__printk+0x10/0x10
[  267.704741][ T6597]  ? kernfs_root+0x1c/0x230
[  267.704761][ T6597]  ? kernfs_path_from_node+0x250/0x290
[  267.704779][ T6597]  ? kernfs_path_from_node+0x2f/0x290
[  267.704798][ T6597]  sysfs_create_dir_ns+0x259/0x280
[  267.704838][ T6597]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.704868][ T6597]  ? do_raw_spin_unlock+0x122/0x240
[  267.704892][ T6597]  kobject_add_internal+0x59f/0xb40
[  267.704924][ T6597]  kobject_init_and_add+0x125/0x190
[  267.704953][ T6597]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.704978][ T6597]  ? __raw_spin_lock_init+0x45/0x100
[  267.705000][ T6597]  ? __init_swait_queue_head+0xa9/0x150
[  267.705022][ T6597]  gfs2_sys_fs_add+0x234/0x450
[  267.705052][ T6597]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.705085][ T6597]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.705115][ T6597]  gfs2_fill_super+0x13c0/0x20d0
[  267.705145][ T6597]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.705170][ T6597]  ? sb_set_blocksize+0x104/0x180
[  267.705197][ T6597]  ? setup_bdev_super+0x4c1/0x5b0
[  267.705222][ T6597]  get_tree_bdev_flags+0x40e/0x4d0
[  267.705247][ T6597]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.705269][ T6597]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.705299][ T6597]  gfs2_get_tree+0x51/0x1e0
[  267.705323][ T6597]  vfs_get_tree+0x92/0x2b0
[  267.705348][ T6597]  do_new_mount+0x2a2/0xa30
[  267.705375][ T6597]  ? ns_capable+0x8a/0xf0
[  267.705404][ T6597]  ? __pfx_do_new_mount+0x10/0x10
[  267.705428][ T6597]  ? path_mount+0x61c/0xfe0
[  267.705452][ T6597]  ? user_path_at+0x44/0x60
[  267.705475][ T6597]  __se_sys_mount+0x317/0x410
[  267.705505][ T6597]  ? __pfx___se_sys_mount+0x10/0x10
[  267.705533][ T6597]  ? rcu_is_watching+0x15/0xb0
[  267.705561][ T6597]  ? __x64_sys_mount+0x20/0xc0
[  267.705588][ T6597]  do_syscall_64+0xfa/0xfa0
[  267.705614][ T6597]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.705635][ T6597]  ? clear_bhb_loop+0x60/0xb0
[  267.705658][ T6597]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.705678][ T6597] RIP: 0033:0x7fbeebb9038a
[  267.705697][ T6597] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  267.705716][ T6597] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.705739][ T6597] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  267.705756][ T6597] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  267.705771][ T6597] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  267.705786][ T6597] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  267.705800][ T6597] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  267.705835][ T6597]  </TASK>
[  267.705857][ T6597] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.021397][ T6597] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.037256][ T5184] Bluetooth: hci1: command 0x0406 tx timeout
[  268.422337][ T6601] loop1: detected capacity change from 0 to 32768
[  268.438535][ T6601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.446166][ T6601] CPU: 1 UID: 0 PID: 6601 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  268.446194][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  268.446208][ T6601] Call Trace:
[  268.446216][ T6601]  <TASK>
[  268.446224][ T6601]  dump_stack_lvl+0x189/0x250
[  268.446256][ T6601]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.446281][ T6601]  ? __pfx__printk+0x10/0x10
[  268.446308][ T6601]  ? kernfs_root+0x1c/0x230
[  268.446329][ T6601]  ? kernfs_path_from_node+0x250/0x290
[  268.446347][ T6601]  ? kernfs_path_from_node+0x2f/0x290
[  268.446367][ T6601]  sysfs_create_dir_ns+0x259/0x280
[  268.446398][ T6601]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.446429][ T6601]  ? do_raw_spin_unlock+0x122/0x240
[  268.446464][ T6601]  kobject_add_internal+0x59f/0xb40
[  268.446497][ T6601]  kobject_init_and_add+0x125/0x190
[  268.446526][ T6601]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.446552][ T6601]  ? __raw_spin_lock_init+0x45/0x100
[  268.446575][ T6601]  ? __init_swait_queue_head+0xa9/0x150
[  268.446597][ T6601]  gfs2_sys_fs_add+0x234/0x450
[  268.446627][ T6601]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.446660][ T6601]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.446689][ T6601]  gfs2_fill_super+0x13c0/0x20d0
[  268.446719][ T6601]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.446744][ T6601]  ? sb_set_blocksize+0x104/0x180
[  268.446771][ T6601]  ? setup_bdev_super+0x4c1/0x5b0
[  268.446797][ T6601]  get_tree_bdev_flags+0x40e/0x4d0
[  268.446820][ T6601]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.446842][ T6601]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.446871][ T6601]  gfs2_get_tree+0x51/0x1e0
[  268.446895][ T6601]  vfs_get_tree+0x92/0x2b0
[  268.446923][ T6601]  do_new_mount+0x2a2/0xa30
[  268.446950][ T6601]  ? ns_capable+0x8a/0xf0
[  268.446978][ T6601]  ? __pfx_do_new_mount+0x10/0x10
[  268.447002][ T6601]  ? path_mount+0x61c/0xfe0
[  268.447025][ T6601]  ? user_path_at+0x44/0x60
[  268.447046][ T6601]  __se_sys_mount+0x317/0x410
[  268.447074][ T6601]  ? __pfx___se_sys_mount+0x10/0x10
[  268.447103][ T6601]  ? rcu_is_watching+0x15/0xb0
[  268.447131][ T6601]  ? __x64_sys_mount+0x20/0xc0
[  268.447158][ T6601]  do_syscall_64+0xfa/0xfa0
[  268.447183][ T6601]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.447204][ T6601]  ? clear_bhb_loop+0x60/0xb0
[  268.447225][ T6601]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.447245][ T6601] RIP: 0033:0x7fbeebb9038a
[  268.447264][ T6601] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  268.447282][ T6601] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.447306][ T6601] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  268.447321][ T6601] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  268.447337][ T6601] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  268.447351][ T6601] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  268.447365][ T6601] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  268.447426][ T6601]  </TASK>
[  268.750770][ T6601] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.765578][ T6601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.141397][ T6604] loop1: detected capacity change from 0 to 32768
[  269.158084][ T6604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.165772][ T6604] CPU: 1 UID: 0 PID: 6604 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  269.165800][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  269.165815][ T6604] Call Trace:
[  269.165823][ T6604]  <TASK>
[  269.165832][ T6604]  dump_stack_lvl+0x189/0x250
[  269.165864][ T6604]  ? __pfx_dump_stack_lvl+0x10/0x10
[  269.165889][ T6604]  ? __pfx__printk+0x10/0x10
[  269.165916][ T6604]  ? kernfs_root+0x1c/0x230
[  269.165937][ T6604]  ? kernfs_path_from_node+0x250/0x290
[  269.165955][ T6604]  ? kernfs_path_from_node+0x2f/0x290
[  269.165975][ T6604]  sysfs_create_dir_ns+0x259/0x280
[  269.166006][ T6604]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.166038][ T6604]  ? do_raw_spin_unlock+0x122/0x240
[  269.166062][ T6604]  kobject_add_internal+0x59f/0xb40
[  269.166093][ T6604]  kobject_init_and_add+0x125/0x190
[  269.166121][ T6604]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.166148][ T6604]  ? __raw_spin_lock_init+0x45/0x100
[  269.166169][ T6604]  ? __init_swait_queue_head+0xa9/0x150
[  269.166191][ T6604]  gfs2_sys_fs_add+0x234/0x450
[  269.166221][ T6604]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.166255][ T6604]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.166283][ T6604]  gfs2_fill_super+0x13c0/0x20d0
[  269.166314][ T6604]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.166335][ T6604]  ? sb_set_blocksize+0x104/0x180
[  269.166361][ T6604]  ? setup_bdev_super+0x4c1/0x5b0
[  269.166386][ T6604]  get_tree_bdev_flags+0x40e/0x4d0
[  269.166410][ T6604]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.166432][ T6604]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.166461][ T6604]  gfs2_get_tree+0x51/0x1e0
[  269.166485][ T6604]  vfs_get_tree+0x92/0x2b0
[  269.166509][ T6604]  do_new_mount+0x2a2/0xa30
[  269.166537][ T6604]  ? ns_capable+0x8a/0xf0
[  269.166566][ T6604]  ? __pfx_do_new_mount+0x10/0x10
[  269.166603][ T6604]  ? path_mount+0x61c/0xfe0
[  269.166628][ T6604]  ? user_path_at+0x44/0x60
[  269.166651][ T6604]  __se_sys_mount+0x317/0x410
[  269.166681][ T6604]  ? __pfx___se_sys_mount+0x10/0x10
[  269.166709][ T6604]  ? rcu_is_watching+0x15/0xb0
[  269.166738][ T6604]  ? __x64_sys_mount+0x20/0xc0
[  269.166765][ T6604]  do_syscall_64+0xfa/0xfa0
[  269.166790][ T6604]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.166810][ T6604]  ? clear_bhb_loop+0x60/0xb0
[  269.166833][ T6604]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.166854][ T6604] RIP: 0033:0x7fbeebb9038a
[  269.166873][ T6604] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  269.166892][ T6604] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.166920][ T6604] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  269.166935][ T6604] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  269.166949][ T6604] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  269.166963][ T6604] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  269.166976][ T6604] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  269.167000][ T6604]  </TASK>
[  269.469410][ T6604] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.484421][ T6604] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 18:35:10 executed programs: 180
[  269.870392][ T6607] loop1: detected capacity change from 0 to 32768
[  269.886103][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.894178][ T6607] CPU: 1 UID: 0 PID: 6607 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  269.894207][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  269.894221][ T6607] Call Trace:
[  269.894230][ T6607]  <TASK>
[  269.894239][ T6607]  dump_stack_lvl+0x189/0x250
[  269.894271][ T6607]  ? __pfx_dump_stack_lvl+0x10/0x10
[  269.894295][ T6607]  ? __pfx__printk+0x10/0x10
[  269.894319][ T6607]  ? kernfs_root+0x1c/0x230
[  269.894338][ T6607]  ? kernfs_path_from_node+0x250/0x290
[  269.894355][ T6607]  ? kernfs_path_from_node+0x2f/0x290
[  269.894375][ T6607]  sysfs_create_dir_ns+0x259/0x280
[  269.894406][ T6607]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.894438][ T6607]  ? do_raw_spin_unlock+0x122/0x240
[  269.894463][ T6607]  kobject_add_internal+0x59f/0xb40
[  269.894494][ T6607]  kobject_init_and_add+0x125/0x190
[  269.894522][ T6607]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.894548][ T6607]  ? __raw_spin_lock_init+0x45/0x100
[  269.894571][ T6607]  ? __init_swait_queue_head+0xa9/0x150
[  269.894593][ T6607]  gfs2_sys_fs_add+0x234/0x450
[  269.894632][ T6607]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.894665][ T6607]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.894695][ T6607]  gfs2_fill_super+0x13c0/0x20d0
[  269.894726][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.894750][ T6607]  ? sb_set_blocksize+0x104/0x180
[  269.894778][ T6607]  ? setup_bdev_super+0x4c1/0x5b0
[  269.894804][ T6607]  get_tree_bdev_flags+0x40e/0x4d0
[  269.894827][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.894847][ T6607]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.894877][ T6607]  gfs2_get_tree+0x51/0x1e0
[  269.894901][ T6607]  vfs_get_tree+0x92/0x2b0
[  269.894926][ T6607]  do_new_mount+0x2a2/0xa30
[  269.894954][ T6607]  ? ns_capable+0x8a/0xf0
[  269.894983][ T6607]  ? __pfx_do_new_mount+0x10/0x10
[  269.895009][ T6607]  ? path_mount+0x61c/0xfe0
[  269.895033][ T6607]  ? user_path_at+0x44/0x60
[  269.895056][ T6607]  __se_sys_mount+0x317/0x410
[  269.895086][ T6607]  ? __pfx___se_sys_mount+0x10/0x10
[  269.895115][ T6607]  ? rcu_is_watching+0x15/0xb0
[  269.895145][ T6607]  ? __x64_sys_mount+0x20/0xc0
[  269.895172][ T6607]  do_syscall_64+0xfa/0xfa0
[  269.895198][ T6607]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.895219][ T6607]  ? clear_bhb_loop+0x60/0xb0
[  269.895242][ T6607]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.895262][ T6607] RIP: 0033:0x7fbeebb9038a
[  269.895280][ T6607] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  269.895299][ T6607] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.895322][ T6607] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  269.895338][ T6607] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  269.895354][ T6607] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  269.895368][ T6607] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  269.895383][ T6607] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  269.895406][ T6607]  </TASK>
[  269.895427][ T6607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.219110][ T6607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.620512][ T6610] loop1: detected capacity change from 0 to 32768
[  270.637182][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.644823][ T6610] CPU: 0 UID: 0 PID: 6610 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  270.644851][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  270.644864][ T6610] Call Trace:
[  270.644872][ T6610]  <TASK>
[  270.644881][ T6610]  dump_stack_lvl+0x189/0x250
[  270.644912][ T6610]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.644937][ T6610]  ? __pfx__printk+0x10/0x10
[  270.644963][ T6610]  ? kernfs_root+0x1c/0x230
[  270.644984][ T6610]  ? kernfs_path_from_node+0x250/0x290
[  270.645001][ T6610]  ? kernfs_path_from_node+0x2f/0x290
[  270.645022][ T6610]  sysfs_create_dir_ns+0x259/0x280
[  270.645053][ T6610]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.645084][ T6610]  ? do_raw_spin_unlock+0x122/0x240
[  270.645109][ T6610]  kobject_add_internal+0x59f/0xb40
[  270.645140][ T6610]  kobject_init_and_add+0x125/0x190
[  270.645168][ T6610]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.645195][ T6610]  ? __raw_spin_lock_init+0x45/0x100
[  270.645216][ T6610]  ? __init_swait_queue_head+0xa9/0x150
[  270.645326][ T6610]  gfs2_sys_fs_add+0x234/0x450
[  270.645363][ T6610]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.645395][ T6610]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.645424][ T6610]  gfs2_fill_super+0x13c0/0x20d0
[  270.645453][ T6610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.645475][ T6610]  ? sb_set_blocksize+0x104/0x180
[  270.645503][ T6610]  ? setup_bdev_super+0x4c1/0x5b0
[  270.645529][ T6610]  get_tree_bdev_flags+0x40e/0x4d0
[  270.645552][ T6610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.645574][ T6610]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.645603][ T6610]  gfs2_get_tree+0x51/0x1e0
[  270.645626][ T6610]  vfs_get_tree+0x92/0x2b0
[  270.645650][ T6610]  do_new_mount+0x2a2/0xa30
[  270.645678][ T6610]  ? ns_capable+0x8a/0xf0
[  270.645707][ T6610]  ? __pfx_do_new_mount+0x10/0x10
[  270.645732][ T6610]  ? path_mount+0x61c/0xfe0
[  270.645756][ T6610]  ? user_path_at+0x44/0x60
[  270.645779][ T6610]  __se_sys_mount+0x317/0x410
[  270.645810][ T6610]  ? __pfx___se_sys_mount+0x10/0x10
[  270.645838][ T6610]  ? rcu_is_watching+0x15/0xb0
[  270.645867][ T6610]  ? __x64_sys_mount+0x20/0xc0
[  270.645894][ T6610]  do_syscall_64+0xfa/0xfa0
[  270.645920][ T6610]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.645940][ T6610]  ? clear_bhb_loop+0x60/0xb0
[  270.645963][ T6610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.645984][ T6610] RIP: 0033:0x7fbeebb9038a
[  270.646003][ T6610] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  270.646022][ T6610] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.646047][ T6610] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  270.646063][ T6610] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  270.646078][ T6610] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  270.646094][ T6610] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  270.646108][ T6610] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  270.646133][ T6610]  </TASK>
[  270.646157][ T6610] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.966305][ T6610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.407809][ T6613] loop1: detected capacity change from 0 to 32768
[  271.425182][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.432733][ T6613] CPU: 0 UID: 0 PID: 6613 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  271.432762][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  271.432776][ T6613] Call Trace:
[  271.432785][ T6613]  <TASK>
[  271.432793][ T6613]  dump_stack_lvl+0x189/0x250
[  271.432826][ T6613]  ? __pfx_dump_stack_lvl+0x10/0x10
[  271.432850][ T6613]  ? __pfx__printk+0x10/0x10
[  271.432877][ T6613]  ? kernfs_root+0x1c/0x230
[  271.432898][ T6613]  ? kernfs_path_from_node+0x250/0x290
[  271.432916][ T6613]  ? kernfs_path_from_node+0x2f/0x290
[  271.432936][ T6613]  sysfs_create_dir_ns+0x259/0x280
[  271.432967][ T6613]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.432998][ T6613]  ? do_raw_spin_unlock+0x122/0x240
[  271.433022][ T6613]  kobject_add_internal+0x59f/0xb40
[  271.433053][ T6613]  kobject_init_and_add+0x125/0x190
[  271.433081][ T6613]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.433107][ T6613]  ? __raw_spin_lock_init+0x45/0x100
[  271.433129][ T6613]  ? __init_swait_queue_head+0xa9/0x150
[  271.433161][ T6613]  gfs2_sys_fs_add+0x234/0x450
[  271.433192][ T6613]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.433225][ T6613]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.433255][ T6613]  gfs2_fill_super+0x13c0/0x20d0
[  271.433286][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.433310][ T6613]  ? sb_set_blocksize+0x104/0x180
[  271.433338][ T6613]  ? setup_bdev_super+0x4c1/0x5b0
[  271.433363][ T6613]  get_tree_bdev_flags+0x40e/0x4d0
[  271.433386][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.433408][ T6613]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.433435][ T6613]  gfs2_get_tree+0x51/0x1e0
[  271.433459][ T6613]  vfs_get_tree+0x92/0x2b0
[  271.433483][ T6613]  do_new_mount+0x2a2/0xa30
[  271.433510][ T6613]  ? ns_capable+0x8a/0xf0
[  271.433539][ T6613]  ? __pfx_do_new_mount+0x10/0x10
[  271.433564][ T6613]  ? path_mount+0x61c/0xfe0
[  271.433588][ T6613]  ? user_path_at+0x44/0x60
[  271.433611][ T6613]  __se_sys_mount+0x317/0x410
[  271.433641][ T6613]  ? __pfx___se_sys_mount+0x10/0x10
[  271.433669][ T6613]  ? rcu_is_watching+0x15/0xb0
[  271.433699][ T6613]  ? __x64_sys_mount+0x20/0xc0
[  271.433726][ T6613]  do_syscall_64+0xfa/0xfa0
[  271.433751][ T6613]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.433771][ T6613]  ? clear_bhb_loop+0x60/0xb0
[  271.433794][ T6613]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.433814][ T6613] RIP: 0033:0x7fbeebb9038a
[  271.433833][ T6613] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  271.433851][ T6613] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.433874][ T6613] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  271.433891][ T6613] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  271.433906][ T6613] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  271.433920][ T6613] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  271.433935][ T6613] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  271.433958][ T6613]  </TASK>
[  271.434000][ T6613] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.755979][ T6613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.146517][ T6616] loop1: detected capacity change from 0 to 32768
[  272.162477][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.170398][ T6616] CPU: 0 UID: 0 PID: 6616 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  272.170425][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  272.170439][ T6616] Call Trace:
[  272.170447][ T6616]  <TASK>
[  272.170455][ T6616]  dump_stack_lvl+0x189/0x250
[  272.170488][ T6616]  ? __pfx_dump_stack_lvl+0x10/0x10
[  272.170512][ T6616]  ? __pfx__printk+0x10/0x10
[  272.170538][ T6616]  ? kernfs_root+0x1c/0x230
[  272.170558][ T6616]  ? kernfs_path_from_node+0x250/0x290
[  272.170576][ T6616]  ? kernfs_path_from_node+0x2f/0x290
[  272.170596][ T6616]  sysfs_create_dir_ns+0x259/0x280
[  272.170627][ T6616]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.170659][ T6616]  ? do_raw_spin_unlock+0x122/0x240
[  272.170682][ T6616]  kobject_add_internal+0x59f/0xb40
[  272.170714][ T6616]  kobject_init_and_add+0x125/0x190
[  272.170742][ T6616]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.170768][ T6616]  ? __raw_spin_lock_init+0x45/0x100
[  272.170790][ T6616]  ? __init_swait_queue_head+0xa9/0x150
[  272.170811][ T6616]  gfs2_sys_fs_add+0x234/0x450
[  272.170842][ T6616]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.170875][ T6616]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.170905][ T6616]  gfs2_fill_super+0x13c0/0x20d0
[  272.170936][ T6616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.170960][ T6616]  ? sb_set_blocksize+0x104/0x180
[  272.170988][ T6616]  ? setup_bdev_super+0x4c1/0x5b0
[  272.171014][ T6616]  get_tree_bdev_flags+0x40e/0x4d0
[  272.171038][ T6616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.171061][ T6616]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.171090][ T6616]  gfs2_get_tree+0x51/0x1e0
[  272.171126][ T6616]  vfs_get_tree+0x92/0x2b0
[  272.171151][ T6616]  do_new_mount+0x2a2/0xa30
[  272.171178][ T6616]  ? ns_capable+0x8a/0xf0
[  272.171207][ T6616]  ? __pfx_do_new_mount+0x10/0x10
[  272.171232][ T6616]  ? path_mount+0x61c/0xfe0
[  272.171256][ T6616]  ? user_path_at+0x44/0x60
[  272.171280][ T6616]  __se_sys_mount+0x317/0x410
[  272.171309][ T6616]  ? __pfx___se_sys_mount+0x10/0x10
[  272.171338][ T6616]  ? rcu_is_watching+0x15/0xb0
[  272.171367][ T6616]  ? __x64_sys_mount+0x20/0xc0
[  272.171394][ T6616]  do_syscall_64+0xfa/0xfa0
[  272.171419][ T6616]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.171439][ T6616]  ? clear_bhb_loop+0x60/0xb0
[  272.171462][ T6616]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.171482][ T6616] RIP: 0033:0x7fbeebb9038a
[  272.171501][ T6616] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  272.171520][ T6616] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.171543][ T6616] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  272.171559][ T6616] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  272.171574][ T6616] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  272.171589][ T6616] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  272.171603][ T6616] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  272.171627][ T6616]  </TASK>
[  272.171669][ T6616] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.492522][ T6616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.889064][ T6619] loop1: detected capacity change from 0 to 32768
[  272.901163][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.908707][ T6619] CPU: 1 UID: 0 PID: 6619 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  272.908734][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  272.908748][ T6619] Call Trace:
[  272.908756][ T6619]  <TASK>
[  272.908764][ T6619]  dump_stack_lvl+0x189/0x250
[  272.908796][ T6619]  ? __pfx_dump_stack_lvl+0x10/0x10
[  272.908820][ T6619]  ? __pfx__printk+0x10/0x10
[  272.908847][ T6619]  ? kernfs_root+0x1c/0x230
[  272.908869][ T6619]  ? kernfs_path_from_node+0x250/0x290
[  272.908887][ T6619]  ? kernfs_path_from_node+0x2f/0x290
[  272.908908][ T6619]  sysfs_create_dir_ns+0x259/0x280
[  272.908939][ T6619]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.908970][ T6619]  ? do_raw_spin_unlock+0x122/0x240
[  272.908994][ T6619]  kobject_add_internal+0x59f/0xb40
[  272.909026][ T6619]  kobject_init_and_add+0x125/0x190
[  272.909054][ T6619]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.909080][ T6619]  ? __raw_spin_lock_init+0x45/0x100
[  272.909101][ T6619]  ? __init_swait_queue_head+0xa9/0x150
[  272.909123][ T6619]  gfs2_sys_fs_add+0x234/0x450
[  272.909153][ T6619]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.909186][ T6619]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.909216][ T6619]  gfs2_fill_super+0x13c0/0x20d0
[  272.909246][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.909270][ T6619]  ? sb_set_blocksize+0x104/0x180
[  272.909298][ T6619]  ? setup_bdev_super+0x4c1/0x5b0
[  272.909323][ T6619]  get_tree_bdev_flags+0x40e/0x4d0
[  272.909358][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.909380][ T6619]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.909410][ T6619]  gfs2_get_tree+0x51/0x1e0
[  272.909434][ T6619]  vfs_get_tree+0x92/0x2b0
[  272.909458][ T6619]  do_new_mount+0x2a2/0xa30
[  272.909486][ T6619]  ? ns_capable+0x8a/0xf0
[  272.909515][ T6619]  ? __pfx_do_new_mount+0x10/0x10
[  272.909540][ T6619]  ? path_mount+0x61c/0xfe0
[  272.909563][ T6619]  ? user_path_at+0x44/0x60
[  272.909586][ T6619]  __se_sys_mount+0x317/0x410
[  272.909616][ T6619]  ? __pfx___se_sys_mount+0x10/0x10
[  272.909644][ T6619]  ? rcu_is_watching+0x15/0xb0
[  272.909673][ T6619]  ? __x64_sys_mount+0x20/0xc0
[  272.909700][ T6619]  do_syscall_64+0xfa/0xfa0
[  272.909725][ T6619]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.909746][ T6619]  ? clear_bhb_loop+0x60/0xb0
[  272.909769][ T6619]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.909789][ T6619] RIP: 0033:0x7fbeebb9038a
[  272.909808][ T6619] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  272.909826][ T6619] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.909850][ T6619] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  272.909866][ T6619] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  272.909882][ T6619] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  272.909897][ T6619] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  272.909911][ T6619] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  272.909934][ T6619]  </TASK>
[  272.909955][ T6619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.226568][ T6619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.617768][ T6622] loop1: detected capacity change from 0 to 32768
[  273.630321][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.637866][ T6622] CPU: 0 UID: 0 PID: 6622 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  273.637892][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  273.637905][ T6622] Call Trace:
[  273.637913][ T6622]  <TASK>
[  273.637921][ T6622]  dump_stack_lvl+0x189/0x250
[  273.637961][ T6622]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.637985][ T6622]  ? __pfx__printk+0x10/0x10
[  273.638011][ T6622]  ? kernfs_root+0x1c/0x230
[  273.638031][ T6622]  ? kernfs_path_from_node+0x250/0x290
[  273.638048][ T6622]  ? kernfs_path_from_node+0x2f/0x290
[  273.638068][ T6622]  sysfs_create_dir_ns+0x259/0x280
[  273.638097][ T6622]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.638127][ T6622]  ? do_raw_spin_unlock+0x122/0x240
[  273.638150][ T6622]  kobject_add_internal+0x59f/0xb40
[  273.638179][ T6622]  kobject_init_and_add+0x125/0x190
[  273.638206][ T6622]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.638231][ T6622]  ? __raw_spin_lock_init+0x45/0x100
[  273.638252][ T6622]  ? __init_swait_queue_head+0xa9/0x150
[  273.638273][ T6622]  gfs2_sys_fs_add+0x234/0x450
[  273.638302][ T6622]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.638333][ T6622]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.638361][ T6622]  gfs2_fill_super+0x13c0/0x20d0
[  273.638390][ T6622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.638413][ T6622]  ? sb_set_blocksize+0x104/0x180
[  273.638440][ T6622]  ? setup_bdev_super+0x4c1/0x5b0
[  273.638465][ T6622]  get_tree_bdev_flags+0x40e/0x4d0
[  273.638488][ T6622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.638509][ T6622]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.638538][ T6622]  gfs2_get_tree+0x51/0x1e0
[  273.638560][ T6622]  vfs_get_tree+0x92/0x2b0
[  273.638583][ T6622]  do_new_mount+0x2a2/0xa30
[  273.638610][ T6622]  ? ns_capable+0x8a/0xf0
[  273.638638][ T6622]  ? __pfx_do_new_mount+0x10/0x10
[  273.638662][ T6622]  ? path_mount+0x61c/0xfe0
[  273.638684][ T6622]  ? user_path_at+0x44/0x60
[  273.638706][ T6622]  __se_sys_mount+0x317/0x410
[  273.638733][ T6622]  ? __pfx___se_sys_mount+0x10/0x10
[  273.638761][ T6622]  ? rcu_is_watching+0x15/0xb0
[  273.638788][ T6622]  ? __x64_sys_mount+0x20/0xc0
[  273.638815][ T6622]  do_syscall_64+0xfa/0xfa0
[  273.638838][ T6622]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.638858][ T6622]  ? clear_bhb_loop+0x60/0xb0
[  273.638880][ T6622]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.638899][ T6622] RIP: 0033:0x7fbeebb9038a
[  273.638916][ T6622] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  273.638933][ T6622] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.638963][ T6622] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  273.638978][ T6622] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  273.638993][ T6622] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  273.639007][ T6622] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  273.639020][ T6622] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  273.639043][ T6622]  </TASK>
[  273.639063][ T6622] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.955804][ T6622] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.347948][ T6625] loop1: detected capacity change from 0 to 32768
[  274.359583][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.367154][ T6625] CPU: 1 UID: 0 PID: 6625 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  274.367180][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  274.367193][ T6625] Call Trace:
[  274.367201][ T6625]  <TASK>
[  274.367209][ T6625]  dump_stack_lvl+0x189/0x250
[  274.367240][ T6625]  ? __pfx_dump_stack_lvl+0x10/0x10
[  274.367263][ T6625]  ? __pfx__printk+0x10/0x10
[  274.367289][ T6625]  ? kernfs_root+0x1c/0x230
[  274.367308][ T6625]  ? kernfs_path_from_node+0x250/0x290
[  274.367326][ T6625]  ? kernfs_path_from_node+0x2f/0x290
[  274.367345][ T6625]  sysfs_create_dir_ns+0x259/0x280
[  274.367374][ T6625]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.367404][ T6625]  ? do_raw_spin_unlock+0x122/0x240
[  274.367427][ T6625]  kobject_add_internal+0x59f/0xb40
[  274.367457][ T6625]  kobject_init_and_add+0x125/0x190
[  274.367483][ T6625]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.367508][ T6625]  ? __raw_spin_lock_init+0x45/0x100
[  274.367528][ T6625]  ? __init_swait_queue_head+0xa9/0x150
[  274.367549][ T6625]  gfs2_sys_fs_add+0x234/0x450
[  274.367578][ T6625]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.367610][ T6625]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.367638][ T6625]  gfs2_fill_super+0x13c0/0x20d0
[  274.367667][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.367690][ T6625]  ? sb_set_blocksize+0x104/0x180
[  274.367717][ T6625]  ? setup_bdev_super+0x4c1/0x5b0
[  274.367741][ T6625]  get_tree_bdev_flags+0x40e/0x4d0
[  274.367764][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.367786][ T6625]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.367814][ T6625]  gfs2_get_tree+0x51/0x1e0
[  274.367836][ T6625]  vfs_get_tree+0x92/0x2b0
[  274.367859][ T6625]  do_new_mount+0x2a2/0xa30
[  274.367885][ T6625]  ? ns_capable+0x8a/0xf0
[  274.367920][ T6625]  ? __pfx_do_new_mount+0x10/0x10
[  274.367944][ T6625]  ? path_mount+0x61c/0xfe0
[  274.367967][ T6625]  ? user_path_at+0x44/0x60
[  274.367988][ T6625]  __se_sys_mount+0x317/0x410
[  274.368017][ T6625]  ? __pfx___se_sys_mount+0x10/0x10
[  274.368044][ T6625]  ? rcu_is_watching+0x15/0xb0
[  274.368071][ T6625]  ? __x64_sys_mount+0x20/0xc0
[  274.368097][ T6625]  do_syscall_64+0xfa/0xfa0
[  274.368121][ T6625]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.368140][ T6625]  ? clear_bhb_loop+0x60/0xb0
[  274.368162][ T6625]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.368183][ T6625] RIP: 0033:0x7fbeebb9038a
[  274.368201][ T6625] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  274.368219][ T6625] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.368241][ T6625] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  274.368256][ T6625] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  274.368271][ T6625] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  274.368285][ T6625] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  274.368298][ T6625] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  274.368321][ T6625]  </TASK>
[  274.368339][ T6625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.686256][ T6625] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 18:35:15 executed programs: 187
[  275.073311][ T6628] loop1: detected capacity change from 0 to 32768
[  275.098026][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.105635][ T6628] CPU: 1 UID: 0 PID: 6628 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  275.105664][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  275.105678][ T6628] Call Trace:
[  275.105688][ T6628]  <TASK>
[  275.105697][ T6628]  dump_stack_lvl+0x189/0x250
[  275.105727][ T6628]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.105750][ T6628]  ? __pfx__printk+0x10/0x10
[  275.105776][ T6628]  ? kernfs_root+0x1c/0x230
[  275.105795][ T6628]  ? kernfs_path_from_node+0x250/0x290
[  275.105811][ T6628]  ? kernfs_path_from_node+0x2f/0x290
[  275.105830][ T6628]  sysfs_create_dir_ns+0x259/0x280
[  275.105867][ T6628]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.105896][ T6628]  ? do_raw_spin_unlock+0x122/0x240
[  275.105919][ T6628]  kobject_add_internal+0x59f/0xb40
[  275.105948][ T6628]  kobject_init_and_add+0x125/0x190
[  275.105974][ T6628]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.105998][ T6628]  ? __raw_spin_lock_init+0x45/0x100
[  275.106017][ T6628]  ? __init_swait_queue_head+0xa9/0x150
[  275.106038][ T6628]  gfs2_sys_fs_add+0x234/0x450
[  275.106067][ T6628]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.106099][ T6628]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.106124][ T6628]  gfs2_fill_super+0x13c0/0x20d0
[  275.106151][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.106174][ T6628]  ? sb_set_blocksize+0x104/0x180
[  275.106201][ T6628]  ? setup_bdev_super+0x4c1/0x5b0
[  275.106227][ T6628]  get_tree_bdev_flags+0x40e/0x4d0
[  275.106251][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.106273][ T6628]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.106301][ T6628]  gfs2_get_tree+0x51/0x1e0
[  275.106324][ T6628]  vfs_get_tree+0x92/0x2b0
[  275.106348][ T6628]  do_new_mount+0x2a2/0xa30
[  275.106373][ T6628]  ? ns_capable+0x8a/0xf0
[  275.106401][ T6628]  ? __pfx_do_new_mount+0x10/0x10
[  275.106424][ T6628]  ? path_mount+0x61c/0xfe0
[  275.106448][ T6628]  ? user_path_at+0x44/0x60
[  275.106469][ T6628]  __se_sys_mount+0x317/0x410
[  275.106499][ T6628]  ? __pfx___se_sys_mount+0x10/0x10
[  275.106528][ T6628]  ? rcu_is_watching+0x15/0xb0
[  275.106556][ T6628]  ? __x64_sys_mount+0x20/0xc0
[  275.106584][ T6628]  do_syscall_64+0xfa/0xfa0
[  275.106609][ T6628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.106629][ T6628]  ? clear_bhb_loop+0x60/0xb0
[  275.106652][ T6628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.106672][ T6628] RIP: 0033:0x7fbeebb9038a
[  275.106691][ T6628] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  275.106710][ T6628] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.106733][ T6628] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  275.106750][ T6628] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  275.106765][ T6628] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  275.106780][ T6628] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  275.106794][ T6628] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  275.106849][ T6628]  </TASK>
[  275.106886][ T6628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.429738][ T6628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.828960][ T6631] loop1: detected capacity change from 0 to 32768
[  275.850904][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.858585][ T6631] CPU: 0 UID: 0 PID: 6631 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  275.858613][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  275.858626][ T6631] Call Trace:
[  275.858635][ T6631]  <TASK>
[  275.858643][ T6631]  dump_stack_lvl+0x189/0x250
[  275.858675][ T6631]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.858699][ T6631]  ? __pfx__printk+0x10/0x10
[  275.858727][ T6631]  ? kernfs_root+0x1c/0x230
[  275.858748][ T6631]  ? kernfs_path_from_node+0x250/0x290
[  275.858766][ T6631]  ? kernfs_path_from_node+0x2f/0x290
[  275.858786][ T6631]  sysfs_create_dir_ns+0x259/0x280
[  275.858818][ T6631]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.858859][ T6631]  ? do_raw_spin_unlock+0x122/0x240
[  275.858883][ T6631]  kobject_add_internal+0x59f/0xb40
[  275.858914][ T6631]  kobject_init_and_add+0x125/0x190
[  275.858942][ T6631]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.858969][ T6631]  ? __raw_spin_lock_init+0x45/0x100
[  275.858991][ T6631]  ? __init_swait_queue_head+0xa9/0x150
[  275.859013][ T6631]  gfs2_sys_fs_add+0x234/0x450
[  275.859043][ T6631]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.859076][ T6631]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.859111][ T6631]  gfs2_fill_super+0x13c0/0x20d0
[  275.859141][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.859166][ T6631]  ? sb_set_blocksize+0x104/0x180
[  275.859194][ T6631]  ? setup_bdev_super+0x4c1/0x5b0
[  275.859220][ T6631]  get_tree_bdev_flags+0x40e/0x4d0
[  275.859244][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.859267][ T6631]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.859297][ T6631]  gfs2_get_tree+0x51/0x1e0
[  275.859320][ T6631]  vfs_get_tree+0x92/0x2b0
[  275.859344][ T6631]  do_new_mount+0x2a2/0xa30
[  275.859372][ T6631]  ? ns_capable+0x8a/0xf0
[  275.859401][ T6631]  ? __pfx_do_new_mount+0x10/0x10
[  275.859426][ T6631]  ? path_mount+0x61c/0xfe0
[  275.859450][ T6631]  ? user_path_at+0x44/0x60
[  275.859473][ T6631]  __se_sys_mount+0x317/0x410
[  275.859503][ T6631]  ? __pfx___se_sys_mount+0x10/0x10
[  275.859531][ T6631]  ? rcu_is_watching+0x15/0xb0
[  275.859560][ T6631]  ? __x64_sys_mount+0x20/0xc0
[  275.859588][ T6631]  do_syscall_64+0xfa/0xfa0
[  275.859613][ T6631]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.859634][ T6631]  ? clear_bhb_loop+0x60/0xb0
[  275.859657][ T6631]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.859677][ T6631] RIP: 0033:0x7fbeebb9038a
[  275.859695][ T6631] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  275.859713][ T6631] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.859736][ T6631] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  275.859753][ T6631] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  275.859768][ T6631] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  275.859783][ T6631] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  275.859797][ T6631] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  275.859820][ T6631]  </TASK>
[  275.859854][ T6631] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.176893][ T6631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.568790][ T6634] loop1: detected capacity change from 0 to 32768
[  276.580134][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.591527][ T6634] CPU: 1 UID: 0 PID: 6634 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  276.591555][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  276.591569][ T6634] Call Trace:
[  276.591577][ T6634]  <TASK>
[  276.591586][ T6634]  dump_stack_lvl+0x189/0x250
[  276.591618][ T6634]  ? __pfx_dump_stack_lvl+0x10/0x10
[  276.591643][ T6634]  ? __pfx__printk+0x10/0x10
[  276.591671][ T6634]  ? kernfs_root+0x1c/0x230
[  276.591692][ T6634]  ? kernfs_path_from_node+0x250/0x290
[  276.591710][ T6634]  ? kernfs_path_from_node+0x2f/0x290
[  276.591731][ T6634]  sysfs_create_dir_ns+0x259/0x280
[  276.591774][ T6634]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.591807][ T6634]  ? do_raw_spin_unlock+0x122/0x240
[  276.591831][ T6634]  kobject_add_internal+0x59f/0xb40
[  276.591863][ T6634]  kobject_init_and_add+0x125/0x190
[  276.591891][ T6634]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.591918][ T6634]  ? __raw_spin_lock_init+0x45/0x100
[  276.591940][ T6634]  ? __init_swait_queue_head+0xa9/0x150
[  276.591962][ T6634]  gfs2_sys_fs_add+0x234/0x450
[  276.591991][ T6634]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.592024][ T6634]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.592052][ T6634]  gfs2_fill_super+0x13c0/0x20d0
[  276.592083][ T6634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.592107][ T6634]  ? sb_set_blocksize+0x104/0x180
[  276.592136][ T6634]  ? setup_bdev_super+0x4c1/0x5b0
[  276.592162][ T6634]  get_tree_bdev_flags+0x40e/0x4d0
[  276.592187][ T6634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.592210][ T6634]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.592239][ T6634]  gfs2_get_tree+0x51/0x1e0
[  276.592263][ T6634]  vfs_get_tree+0x92/0x2b0
[  276.592288][ T6634]  do_new_mount+0x2a2/0xa30
[  276.592316][ T6634]  ? ns_capable+0x8a/0xf0
[  276.592345][ T6634]  ? __pfx_do_new_mount+0x10/0x10
[  276.592370][ T6634]  ? path_mount+0x61c/0xfe0
[  276.592393][ T6634]  ? user_path_at+0x44/0x60
[  276.592416][ T6634]  __se_sys_mount+0x317/0x410
[  276.592446][ T6634]  ? __pfx___se_sys_mount+0x10/0x10
[  276.592474][ T6634]  ? rcu_is_watching+0x15/0xb0
[  276.592504][ T6634]  ? __x64_sys_mount+0x20/0xc0
[  276.592531][ T6634]  do_syscall_64+0xfa/0xfa0
[  276.592557][ T6634]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.592578][ T6634]  ? clear_bhb_loop+0x60/0xb0
[  276.592600][ T6634]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.592621][ T6634] RIP: 0033:0x7fbeebb9038a
[  276.592640][ T6634] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  276.592659][ T6634] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.592682][ T6634] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  276.592698][ T6634] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  276.592714][ T6634] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  276.592729][ T6634] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  276.592743][ T6634] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  276.592777][ T6634]  </TASK>
[  276.592800][ T6634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.911648][ T6634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.302169][ T6637] loop1: detected capacity change from 0 to 32768
[  277.317031][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.324908][ T6637] CPU: 1 UID: 0 PID: 6637 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  277.324983][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  277.324995][ T6637] Call Trace:
[  277.325007][ T6637]  <TASK>
[  277.325019][ T6637]  dump_stack_lvl+0x189/0x250
[  277.325050][ T6637]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.325073][ T6637]  ? __pfx__printk+0x10/0x10
[  277.325098][ T6637]  ? kernfs_root+0x1c/0x230
[  277.325118][ T6637]  ? kernfs_path_from_node+0x250/0x290
[  277.325136][ T6637]  ? kernfs_path_from_node+0x2f/0x290
[  277.325156][ T6637]  sysfs_create_dir_ns+0x259/0x280
[  277.325188][ T6637]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.325218][ T6637]  ? do_raw_spin_unlock+0x122/0x240
[  277.325241][ T6637]  kobject_add_internal+0x59f/0xb40
[  277.325273][ T6637]  kobject_init_and_add+0x125/0x190
[  277.325301][ T6637]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.325328][ T6637]  ? __raw_spin_lock_init+0x45/0x100
[  277.325349][ T6637]  ? __init_swait_queue_head+0xa9/0x150
[  277.325371][ T6637]  gfs2_sys_fs_add+0x234/0x450
[  277.325401][ T6637]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.325435][ T6637]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.325464][ T6637]  gfs2_fill_super+0x13c0/0x20d0
[  277.325495][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.325520][ T6637]  ? sb_set_blocksize+0x104/0x180
[  277.325548][ T6637]  ? setup_bdev_super+0x4c1/0x5b0
[  277.325575][ T6637]  get_tree_bdev_flags+0x40e/0x4d0
[  277.325599][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.325621][ T6637]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.325651][ T6637]  gfs2_get_tree+0x51/0x1e0
[  277.325719][ T6637]  vfs_get_tree+0x92/0x2b0
[  277.325746][ T6637]  do_new_mount+0x2a2/0xa30
[  277.325773][ T6637]  ? ns_capable+0x8a/0xf0
[  277.325810][ T6637]  ? __pfx_do_new_mount+0x10/0x10
[  277.325836][ T6637]  ? path_mount+0x61c/0xfe0
[  277.325859][ T6637]  ? user_path_at+0x44/0x60
[  277.325881][ T6637]  __se_sys_mount+0x317/0x410
[  277.325911][ T6637]  ? __pfx___se_sys_mount+0x10/0x10
[  277.325937][ T6637]  ? rcu_is_watching+0x15/0xb0
[  277.325965][ T6637]  ? __x64_sys_mount+0x20/0xc0
[  277.325992][ T6637]  do_syscall_64+0xfa/0xfa0
[  277.326019][ T6637]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.326039][ T6637]  ? clear_bhb_loop+0x60/0xb0
[  277.326062][ T6637]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.326083][ T6637] RIP: 0033:0x7fbeebb9038a
[  277.326102][ T6637] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  277.326120][ T6637] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.326143][ T6637] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  277.326160][ T6637] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  277.326176][ T6637] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  277.326190][ T6637] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  277.326205][ T6637] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  277.326230][ T6637]  </TASK>
[  277.326253][ T6637] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.645309][ T6637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.039073][ T6640] loop1: detected capacity change from 0 to 32768
[  278.054499][ T6640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.062051][ T6640] CPU: 1 UID: 0 PID: 6640 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  278.062078][ T6640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  278.062093][ T6640] Call Trace:
[  278.062101][ T6640]  <TASK>
[  278.062110][ T6640]  dump_stack_lvl+0x189/0x250
[  278.062142][ T6640]  ? __pfx_dump_stack_lvl+0x10/0x10
[  278.062167][ T6640]  ? __pfx__printk+0x10/0x10
[  278.062194][ T6640]  ? kernfs_root+0x1c/0x230
[  278.062215][ T6640]  ? kernfs_path_from_node+0x250/0x290
[  278.062233][ T6640]  ? kernfs_path_from_node+0x2f/0x290
[  278.062253][ T6640]  sysfs_create_dir_ns+0x259/0x280
[  278.062284][ T6640]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.062315][ T6640]  ? do_raw_spin_unlock+0x122/0x240
[  278.062339][ T6640]  kobject_add_internal+0x59f/0xb40
[  278.062370][ T6640]  kobject_init_and_add+0x125/0x190
[  278.062398][ T6640]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.062425][ T6640]  ? __raw_spin_lock_init+0x45/0x100
[  278.062446][ T6640]  ? __init_swait_queue_head+0xa9/0x150
[  278.062469][ T6640]  gfs2_sys_fs_add+0x234/0x450
[  278.062500][ T6640]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.062533][ T6640]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.062561][ T6640]  gfs2_fill_super+0x13c0/0x20d0
[  278.062592][ T6640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.062625][ T6640]  ? sb_set_blocksize+0x104/0x180
[  278.062654][ T6640]  ? setup_bdev_super+0x4c1/0x5b0
[  278.062680][ T6640]  get_tree_bdev_flags+0x40e/0x4d0
[  278.062704][ T6640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.062727][ T6640]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.062756][ T6640]  gfs2_get_tree+0x51/0x1e0
[  278.062780][ T6640]  vfs_get_tree+0x92/0x2b0
[  278.062804][ T6640]  do_new_mount+0x2a2/0xa30
[  278.062832][ T6640]  ? ns_capable+0x8a/0xf0
[  278.062861][ T6640]  ? __pfx_do_new_mount+0x10/0x10
[  278.062886][ T6640]  ? path_mount+0x61c/0xfe0
[  278.062910][ T6640]  ? user_path_at+0x44/0x60
[  278.062932][ T6640]  __se_sys_mount+0x317/0x410
[  278.062962][ T6640]  ? __pfx___se_sys_mount+0x10/0x10
[  278.062990][ T6640]  ? rcu_is_watching+0x15/0xb0
[  278.063019][ T6640]  ? __x64_sys_mount+0x20/0xc0
[  278.063047][ T6640]  do_syscall_64+0xfa/0xfa0
[  278.063072][ T6640]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.063093][ T6640]  ? clear_bhb_loop+0x60/0xb0
[  278.063115][ T6640]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.063136][ T6640] RIP: 0033:0x7fbeebb9038a
[  278.063154][ T6640] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  278.063173][ T6640] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.063196][ T6640] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  278.063213][ T6640] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  278.063228][ T6640] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  278.063243][ T6640] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  278.063257][ T6640] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  278.063280][ T6640]  </TASK>
[  278.063301][ T6640] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.379032][ T6640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.757898][   T31] INFO: task kworker/1:3:5956 blocked for more than 143 seconds.
[  278.766408][   T31]       Not tainted syzkaller #0
[  278.771746][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  278.771806][ T6643] loop1: detected capacity change from 0 to 32768
[  278.788202][   T31] task:kworker/1:3     state:D stack:24456 pid:5956  tgid:5956  ppid:2      task_flags:0x4208060 flags:0x00004000
[  278.800673][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  278.807220][ T6643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.814682][ T6643] CPU: 1 UID: 0 PID: 6643 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  278.814712][ T6643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  278.814726][ T6643] Call Trace:
[  278.814735][ T6643]  <TASK>
[  278.814743][ T6643]  dump_stack_lvl+0x189/0x250
[  278.814774][ T6643]  ? __pfx_dump_stack_lvl+0x10/0x10
[  278.814798][ T6643]  ? __pfx__printk+0x10/0x10
[  278.814825][ T6643]  ? kernfs_root+0x1c/0x230
[  278.814846][ T6643]  ? kernfs_path_from_node+0x250/0x290
[  278.814864][ T6643]  ? kernfs_path_from_node+0x2f/0x290
[  278.814884][ T6643]  sysfs_create_dir_ns+0x259/0x280
[  278.814916][ T6643]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.814947][ T6643]  ? do_raw_spin_unlock+0x122/0x240
[  278.814972][ T6643]  kobject_add_internal+0x59f/0xb40
[  278.815003][ T6643]  kobject_init_and_add+0x125/0x190
[  278.815031][ T6643]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.815058][ T6643]  ? __raw_spin_lock_init+0x45/0x100
[  278.815081][ T6643]  ? __init_swait_queue_head+0xa9/0x150
[  278.815103][ T6643]  gfs2_sys_fs_add+0x234/0x450
[  278.815134][ T6643]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.815167][ T6643]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.815196][ T6643]  gfs2_fill_super+0x13c0/0x20d0
[  278.815226][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.815251][ T6643]  ? sb_set_blocksize+0x104/0x180
[  278.815280][ T6643]  ? setup_bdev_super+0x4c1/0x5b0
[  278.815306][ T6643]  get_tree_bdev_flags+0x40e/0x4d0
[  278.815330][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.815353][ T6643]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.815382][ T6643]  gfs2_get_tree+0x51/0x1e0
[  278.815405][ T6643]  vfs_get_tree+0x92/0x2b0
[  278.815431][ T6643]  do_new_mount+0x2a2/0xa30
[  278.815458][ T6643]  ? ns_capable+0x8a/0xf0
[  278.815487][ T6643]  ? __pfx_do_new_mount+0x10/0x10
[  278.815512][ T6643]  ? path_mount+0x61c/0xfe0
[  278.815546][ T6643]  ? user_path_at+0x44/0x60
[  278.815569][ T6643]  __se_sys_mount+0x317/0x410
[  278.815598][ T6643]  ? __pfx___se_sys_mount+0x10/0x10
[  278.815627][ T6643]  ? rcu_is_watching+0x15/0xb0
[  278.815654][ T6643]  ? __x64_sys_mount+0x20/0xc0
[  278.815682][ T6643]  do_syscall_64+0xfa/0xfa0
[  278.815707][ T6643]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.815728][ T6643]  ? clear_bhb_loop+0x60/0xb0
[  278.815751][ T6643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.815772][ T6643] RIP: 0033:0x7fbeebb9038a
[  278.815792][ T6643] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  278.815811][ T6643] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.815833][ T6643] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  278.815849][ T6643] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  278.815864][ T6643] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  278.815878][ T6643] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  278.815892][ T6643] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  278.815916][ T6643]  </TASK>
[  278.815938][ T6643] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.857856][   T31] Call Trace:
[  278.917088][ T6643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.926861][   T31]  <TASK>
[  278.926880][   T31]  __schedule+0x1798/0x4cc0
[  279.151296][   T31]  ? blk_mq_dispatch_queue_requests+0x552/0x800
[  279.158890][   T31]  ? lock_release+0x4b/0x3e0
[  279.163685][   T31]  ? __pfx___schedule+0x10/0x10
[  279.168860][   T31]  ? do_raw_spin_lock+0x121/0x290
[  279.174016][   T31]  ? schedule+0x91/0x360
[  279.178647][   T31]  ? rcu_is_watching+0x15/0xb0
[  279.183469][   T31]  ? rcu_is_watching+0x15/0xb0
[  279.188732][   T31]  ? lock_release+0x4b/0x3e0
[  279.193366][   T31]  ? schedule+0x91/0x360
[  279.198606][   T31]  ? wq_worker_sleeping+0x63/0x250
[  279.203771][   T31]  schedule+0x165/0x360
[  279.208902][   T31]  io_schedule+0x80/0xd0
[  279.213196][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  279.218915][   T31]  ? lock_release+0x4b/0x3e0
[  279.223562][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  279.229807][   T31]  ? seqcount_lockdep_reader_access+0x175/0x1c0
[  279.236130][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  279.242918][   T31]  ? __get_log_header+0x297/0x620
[  279.248212][   T31]  ? __filemap_get_folio+0x79f/0xaf0
[  279.253553][   T31]  gfs2_jhead_process_page+0x16e/0x650
[  279.260072][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  279.266112][   T31]  gfs2_find_jhead+0xc9e/0xe10
[  279.271278][   T31]  gfs2_recover_func+0x646/0x1d90
[  279.276362][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  279.282867][   T31]  ? update_load_avg+0x572/0x1880
[  279.288161][   T31]  ? __switch_to+0xdc8/0x1690
[  279.292880][   T31]  ? do_raw_spin_lock+0x121/0x290
[  279.298941][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  279.304368][   T31]  ? rcu_is_watching+0x15/0xb0
[  279.309500][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  279.315267][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  279.324547][   T31]  process_scheduled_works+0xae1/0x17b0
[  279.330427][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  279.336479][   T31]  worker_thread+0x8a0/0xda0
[  279.342197][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  279.348855][   T31]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  279.354806][   T31]  ? __kthread_parkme+0x7b/0x200
[  279.360180][   T31]  kthread+0x711/0x8a0
[  279.364299][   T31]  ? __pfx_worker_thread+0x10/0x10
[  279.369784][   T31]  ? __pfx_kthread+0x10/0x10
[  279.374417][   T31]  ? rcu_is_watching+0x15/0xb0
[  279.379569][   T31]  ? __pfx_kthread+0x10/0x10
[  279.384197][   T31]  ret_from_fork+0x47c/0x820
[  279.389149][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  279.394309][   T31]  ? __switch_to_asm+0x39/0x70
[  279.399432][   T31]  ? __switch_to_asm+0x33/0x70
[  279.404239][   T31]  ? __pfx_kthread+0x10/0x10
[  279.409183][   T31]  ret_from_fork_asm+0x1a/0x30
[  279.414003][   T31]  </TASK>
[  279.417385][   T31] INFO: task syz.0.21:6051 blocked for more than 144 seconds.
[  279.424876][   T31]       Not tainted syzkaller #0
[  279.430193][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  279.439756][   T31] task:syz.0.21        state:D stack:25224 pid:6051  tgid:6051  ppid:5985   task_flags:0x400140 flags:0x00004004
[  279.452385][   T31] Call Trace:
[  279.455691][   T31]  <TASK>
[  279.459621][   T31]  __schedule+0x1798/0x4cc0
[  279.464170][   T31]  ? __pfx_preempt_schedule_notrace+0x10/0x10
[  279.470597][   T31]  ? preempt_schedule+0xae/0xc0
[  279.475495][   T31]  ? __pfx___schedule+0x10/0x10
[  279.481589][   T31]  ? schedule+0x91/0x360
[  279.485880][   T31]  ? rcu_is_watching+0x15/0xb0
[  279.491039][   T31]  ? rcu_is_watching+0x15/0xb0
[  279.495852][   T31]  ? lock_release+0x4b/0x3e0
[  279.501511][   T31]  schedule+0x165/0x360
[  279.505728][   T31]  bit_wait+0x11/0xd0
[  279.510114][   T31]  __wait_on_bit+0xb6/0x310
[  279.514668][   T31]  ? __pfx_bit_wait+0x10/0x10
[  279.520401][   T31]  ? __pfx_bit_wait+0x10/0x10
[  279.525136][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  279.531166][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  279.539181][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  279.545080][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  279.551286][   T31]  gfs2_recover_journal+0xda/0x140
[  279.556709][   T31]  init_journal+0x17cc/0x2260
[  279.563126][   T31]  ? init_inodes+0xdb/0x320
[  279.568194][   T31]  ? __pfx_init_journal+0x10/0x10
[  279.573990][   T31]  ? snprintf+0xda/0x120
[  279.579618][   T31]  ? init_inodes+0xdb/0x320
[  279.584314][   T31]  ? __pfx_snprintf+0x10/0x10
[  279.590007][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  279.595592][   T31]  init_inodes+0xdb/0x320
[  279.601112][   T31]  gfs2_fill_super+0x1923/0x20d0
[  279.606204][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.611896][   T31]  ? init_locking+0xb8/0x210
[  279.616535][   T31]  ? sb_set_blocksize+0x104/0x180
[  279.622206][ T6646] loop1: detected capacity change from 0 to 32768
[  279.622773][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  279.634209][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  279.639859][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.642221][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.648826][ T6646] CPU: 1 UID: 0 PID: 6646 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  279.648857][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  279.648873][ T6646] Call Trace:
[  279.648883][ T6646]  <TASK>
[  279.648892][ T6646]  dump_stack_lvl+0x189/0x250
[  279.648928][ T6646]  ? __pfx_dump_stack_lvl+0x10/0x10
[  279.648956][ T6646]  ? __pfx__printk+0x10/0x10
[  279.648986][ T6646]  ? kernfs_root+0x1c/0x230
[  279.649009][ T6646]  ? kernfs_path_from_node+0x250/0x290
[  279.649029][ T6646]  ? kernfs_path_from_node+0x2f/0x290
[  279.649053][ T6646]  sysfs_create_dir_ns+0x259/0x280
[  279.649088][ T6646]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.649124][ T6646]  ? do_raw_spin_unlock+0x122/0x240
[  279.649150][ T6646]  kobject_add_internal+0x59f/0xb40
[  279.649186][ T6646]  kobject_init_and_add+0x125/0x190
[  279.649217][ T6646]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.649248][ T6646]  ? __raw_spin_lock_init+0x45/0x100
[  279.649272][ T6646]  ? __init_swait_queue_head+0xa9/0x150
[  279.649299][ T6646]  gfs2_sys_fs_add+0x234/0x450
[  279.649334][ T6646]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.649373][ T6646]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.649407][ T6646]  gfs2_fill_super+0x13c0/0x20d0
[  279.649440][ T6646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.649469][ T6646]  ? sb_set_blocksize+0x104/0x180
[  279.649498][ T6646]  ? setup_bdev_super+0x4c1/0x5b0
[  279.649528][ T6646]  get_tree_bdev_flags+0x40e/0x4d0
[  279.649555][ T6646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.649579][ T6646]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.649612][ T6646]  gfs2_get_tree+0x51/0x1e0
[  279.649639][ T6646]  vfs_get_tree+0x92/0x2b0
[  279.649666][ T6646]  do_new_mount+0x2a2/0xa30
[  279.649696][ T6646]  ? ns_capable+0x8a/0xf0
[  279.649728][ T6646]  ? __pfx_do_new_mount+0x10/0x10
[  279.649763][ T6646]  ? path_mount+0x61c/0xfe0
[  279.649790][ T6646]  ? user_path_at+0x44/0x60
[  279.649814][ T6646]  __se_sys_mount+0x317/0x410
[  279.649846][ T6646]  ? __pfx___se_sys_mount+0x10/0x10
[  279.649877][ T6646]  ? rcu_is_watching+0x15/0xb0
[  279.649909][ T6646]  ? __x64_sys_mount+0x20/0xc0
[  279.649939][ T6646]  do_syscall_64+0xfa/0xfa0
[  279.649966][ T6646]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.649990][ T6646]  ? clear_bhb_loop+0x60/0xb0
[  279.650014][ T6646]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.650037][ T6646] RIP: 0033:0x7fbeebb9038a
[  279.650058][ T6646] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  279.650077][ T6646] RSP: 002b:00007ffcc49cfa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.650103][ T6646] RAX: ffffffffffffffda RBX: 00007ffcc49cfac0 RCX: 00007fbeebb9038a
[  279.650121][ T6646] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffcc49cfa80
[  279.650138][ T6646] RBP: 000020000001f680 R08: 00007ffcc49cfac0 R09: 0000000000000084
[  279.650155][ T6646] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  279.650169][ T6646] R13: 00007ffcc49cfa80 R14: 000000000001f81f R15: 00002000000001c0
[  279.650195][ T6646]  </TASK>
2025/08/25 18:35:20 executed programs: 194
[  279.650220][ T6646] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.654279][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.663435][ T6646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.689216][   T31]  gfs2_get_tree+0x51/0x1e0
[  279.984914][   T31]  vfs_get_tree+0x92/0x2b0
[  279.989561][   T31]  do_new_mount+0x2a2/0xa30
[  279.994126][   T31]  ? ns_capable+0x8a/0xf0
[  279.998539][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  280.003610][   T31]  ? path_mount+0x61c/0xfe0
[  280.008254][   T31]  ? user_path_at+0x44/0x60
[  280.012799][   T31]  __se_sys_mount+0x317/0x410
[  280.017555][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  280.022793][   T31]  ? rcu_is_watching+0x15/0xb0
[  280.028289][   T31]  ? __x64_sys_mount+0x20/0xc0
[  280.033100][   T31]  do_syscall_64+0xfa/0xfa0
[  280.038246][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.044452][   T31]  ? clear_bhb_loop+0x60/0xb0
[  280.049250][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.055201][   T31] RIP: 0033:0x7f0debd9038a
[  280.059709][   T31] RSP: 002b:00007ffe1abcc598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.068862][   T31] RAX: ffffffffffffffda RBX: 00007ffe1abcc620 RCX: 00007f0debd9038a
[  280.076872][   T31] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffe1abcc5e0
[  280.084919][   T31] RBP: 000020000001f680 R08: 00007ffe1abcc620 R09: 0000000000000084
[  280.093216][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  280.101453][   T31] R13: 00007ffe1abcc5e0 R14: 000000000001f81f R15: 00002000000001c0
[  280.110117][   T31]  </TASK>
[  280.113218][   T31] INFO: lockdep is turned off.
[  280.118065][   T31] NMI backtrace for cpu 0
[  280.118084][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  280.118106][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  280.118120][   T31] Call Trace:
[  280.118129][   T31]  <TASK>
[  280.118137][   T31]  dump_stack_lvl+0x189/0x250
[  280.118167][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.118192][   T31]  ? __pfx__printk+0x10/0x10
[  280.118227][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  280.118259][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  280.118291][   T31]  ? __pfx__printk+0x10/0x10
[  280.118321][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  280.118350][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  280.118383][   T31]  watchdog+0xf60/0xfa0
[  280.118410][   T31]  ? watchdog+0x1e2/0xfa0
[  280.118442][   T31]  kthread+0x711/0x8a0
[  280.118465][   T31]  ? __pfx_watchdog+0x10/0x10
[  280.118488][   T31]  ? __pfx_kthread+0x10/0x10
[  280.118510][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  280.118531][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  280.118554][   T31]  ? __pfx_kthread+0x10/0x10
[  280.118575][   T31]  ret_from_fork+0x47c/0x820
[  280.118606][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  280.118638][   T31]  ? __switch_to_asm+0x39/0x70
[  280.118664][   T31]  ? __switch_to_asm+0x33/0x70
[  280.118690][   T31]  ? __pfx_kthread+0x10/0x10
[  280.118711][   T31]  ret_from_fork_asm+0x1a/0x30
[  280.118747][   T31]  </TASK>
[  280.118755][   T31] Sending NMI from CPU 0 to CPUs 1:
[  280.266729][    C1] NMI backtrace for cpu 1
[  280.266749][    C1] CPU: 1 UID: 0 PID: 6649 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  280.266769][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  280.266781][    C1] RIP: 0033:0x7fbeeba50c46
[  280.266798][    C1] Code: f0 72 6e 48 63 cd 48 01 c1 49 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 <47> 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01
[  280.266814][    C1] RSP: 002b:00007ffcc49cf070 EFLAGS: 00000202
[  280.266830][    C1] RAX: 00000000007f8dc9 RBX: 00007ffcc49cf110 RCX: 0000000000000091
[  280.266843][    C1] RDX: 0000000000000034 RSI: 0000000000000001 RDI: 00007ffcc49cf1b0
[  280.266855][    C1] RBP: 0000000000000102 R08: 00007fbee2c00000 R09: 00000000007f8dc8
[  280.266867][    C1] R10: 0000000000000000 R11: 00007ffcc49cf120 R12: 0000000000000001
[  280.266878][    C1] R13: 00007fbeebc2da20 R14: 0000000000000000 R15: 00007ffcc49cf1b0
[  280.266891][    C1] FS:  000055556a17f500 GS:  0000000000000000
[  280.270344][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  280.270367][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  280.270395][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  280.270412][   T31] Call Trace:
[  280.270430][   T31]  <TASK>
[  280.270441][   T31]  dump_stack_lvl+0x99/0x250
[  280.270475][   T31]  ? __asan_memcpy+0x40/0x70
[  280.270498][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.270526][   T31]  ? __pfx__printk+0x10/0x10
[  280.270567][   T31]  vpanic+0x281/0x750
[  280.270596][   T31]  ? __pfx_vpanic+0x10/0x10
[  280.270623][   T31]  ? preempt_schedule+0xae/0xc0
[  280.270650][   T31]  ? preempt_schedule_common+0x83/0xd0
[  280.270681][   T31]  panic+0xb9/0xc0
[  280.270707][   T31]  ? __pfx_panic+0x10/0x10
[  280.270734][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  280.270760][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  280.270798][   T31]  watchdog+0xf9f/0xfa0
[  280.270830][   T31]  ? watchdog+0x1e2/0xfa0
[  280.270861][   T31]  kthread+0x711/0x8a0
[  280.270887][   T31]  ? __pfx_watchdog+0x10/0x10
[  280.270914][   T31]  ? __pfx_kthread+0x10/0x10
[  280.270940][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  280.270965][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  280.270991][   T31]  ? __pfx_kthread+0x10/0x10
[  280.271016][   T31]  ret_from_fork+0x47c/0x820
[  280.271052][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  280.271090][   T31]  ? __switch_to_asm+0x39/0x70
[  280.271122][   T31]  ? __switch_to_asm+0x33/0x70
[  280.271151][   T31]  ? __pfx_kthread+0x10/0x10
[  280.271176][   T31]  ret_from_fork_asm+0x1a/0x30
[  280.271217][   T31]  </TASK>
[  280.525768][   T31] Kernel Offset: disabled
[  280.530097][   T31] Rebooting in 86400 seconds..