10
[  328.722009][ T7474]  ? __pfx___se_sys_mount+0x10/0x10
[  328.722046][ T7474]  ? rcu_is_watching+0x15/0xb0
[  328.722069][ T7474]  ? __x64_sys_mount+0x20/0xc0
[  328.722104][ T7474]  do_syscall_64+0xfa/0x3b0
[  328.722128][ T7474]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.722152][ T7474]  ? clear_bhb_loop+0x60/0xb0
[  328.722177][ T7474]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.722200][ T7474] RIP: 0033:0x7f463659038a
[  328.722220][ T7474] 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
[  328.722242][ T7474] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  328.722266][ T7474] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  328.722284][ T7474] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  328.722300][ T7474] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  328.722317][ T7474] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  328.722340][ T7474] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  328.722366][ T7474]  </TASK>
[  328.722391][ T7474] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.030786][ T7472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  329.043685][ T7474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  329.481371][ T7486] loop0: detected capacity change from 0 to 32768
[  329.494112][ T7486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  329.510817][ T7486] CPU: 1 UID: 0 PID: 7486 Comm: syz.0.333 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  329.510849][ T7486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  329.510863][ T7486] Call Trace:
[  329.510872][ T7486]  <TASK>
[  329.510880][ T7486]  dump_stack_lvl+0x189/0x250
[  329.510912][ T7486]  ? __pfx_dump_stack_lvl+0x10/0x10
[  329.510935][ T7486]  ? __pfx__printk+0x10/0x10
[  329.510962][ T7486]  ? kernfs_root+0x1c/0x230
[  329.510988][ T7486]  ? kernfs_path_from_node+0x250/0x290
[  329.511011][ T7486]  ? kernfs_path_from_node+0x2f/0x290
[  329.511036][ T7486]  sysfs_create_dir_ns+0x259/0x280
[  329.511059][ T7486]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  329.511082][ T7486]  ? do_raw_spin_unlock+0x122/0x240
[  329.511111][ T7486]  kobject_add_internal+0x59f/0xb40
[  329.511139][ T7486]  kobject_init_and_add+0x125/0x190
[  329.511164][ T7486]  ? __pfx_kobject_init_and_add+0x10/0x10
[  329.511187][ T7486]  ? __raw_spin_lock_init+0x45/0x100
[  329.511213][ T7486]  ? __init_swait_queue_head+0xa9/0x150
[  329.511239][ T7486]  gfs2_sys_fs_add+0x234/0x450
[  329.511261][ T7486]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  329.511284][ T7486]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  329.511324][ T7486]  gfs2_fill_super+0x13c0/0x20d0
[  329.511359][ T7486]  ? __pfx_gfs2_fill_super+0x10/0x10
[  329.511385][ T7486]  ? sb_set_blocksize+0x104/0x180
[  329.511414][ T7486]  ? setup_bdev_super+0x4c1/0x5b0
[  329.511442][ T7486]  get_tree_bdev_flags+0x40b/0x4d0
[  329.511477][ T7486]  ? __pfx_gfs2_fill_super+0x10/0x10
[  329.511503][ T7486]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  329.511535][ T7486]  gfs2_get_tree+0x51/0x1e0
[  329.511562][ T7486]  vfs_get_tree+0x8f/0x2b0
[  329.511589][ T7486]  do_new_mount+0x2a2/0xa30
[  329.511620][ T7486]  ? ns_capable+0x8a/0xf0
[  329.511637][ T7486]  ? __pfx_do_new_mount+0x10/0x10
[  329.511664][ T7486]  ? path_mount+0x61c/0xfe0
[  329.511691][ T7486]  ? user_path_at+0x44/0x60
[  329.511718][ T7486]  __se_sys_mount+0x317/0x410
[  329.511751][ T7486]  ? __pfx___se_sys_mount+0x10/0x10
[  329.511784][ T7486]  ? rcu_is_watching+0x15/0xb0
[  329.511812][ T7486]  ? __x64_sys_mount+0x20/0xc0
[  329.511843][ T7486]  do_syscall_64+0xfa/0x3b0
[  329.511864][ T7486]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  329.511885][ T7486]  ? clear_bhb_loop+0x60/0xb0
[  329.511907][ T7486]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  329.511926][ T7486] RIP: 0033:0x7fdbbdf9038a
[  329.511945][ T7486] 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
[  329.511963][ T7486] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  329.511986][ T7486] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
[  329.512002][ T7486] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  329.512045][ T7486] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  329.512060][ T7486] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  329.512075][ T7486] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  329.512098][ T7486]  </TASK>
[  329.550761][ T7486] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.940604][ T7486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.364254][ T7491] loop4: detected capacity change from 0 to 32768
[  330.393314][ T7491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.401064][ T7491] CPU: 1 UID: 0 PID: 7491 Comm: syz.4.334 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  330.401094][ T7491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  330.401108][ T7491] Call Trace:
[  330.401117][ T7491]  <TASK>
[  330.401126][ T7491]  dump_stack_lvl+0x189/0x250
[  330.401162][ T7491]  ? __pfx_dump_stack_lvl+0x10/0x10
[  330.401188][ T7491]  ? __pfx__printk+0x10/0x10
[  330.401215][ T7491]  ? kernfs_root+0x1c/0x230
[  330.401240][ T7491]  ? kernfs_path_from_node+0x250/0x290
[  330.401262][ T7491]  ? kernfs_path_from_node+0x2f/0x290
[  330.401287][ T7491]  sysfs_create_dir_ns+0x259/0x280
[  330.401310][ T7491]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  330.401333][ T7491]  ? do_raw_spin_unlock+0x122/0x240
[  330.401361][ T7491]  kobject_add_internal+0x59f/0xb40
[  330.401389][ T7491]  kobject_init_and_add+0x125/0x190
[  330.401422][ T7491]  ? __pfx_kobject_init_and_add+0x10/0x10
[  330.401446][ T7491]  ? __raw_spin_lock_init+0x45/0x100
[  330.401471][ T7491]  ? __init_swait_queue_head+0xa9/0x150
[  330.401497][ T7491]  gfs2_sys_fs_add+0x234/0x450
[  330.401519][ T7491]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  330.401543][ T7491]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  330.401578][ T7491]  gfs2_fill_super+0x13c0/0x20d0
[  330.401611][ T7491]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.401639][ T7491]  ? sb_set_blocksize+0x104/0x180
[  330.401669][ T7491]  ? setup_bdev_super+0x4c1/0x5b0
[  330.401700][ T7491]  get_tree_bdev_flags+0x40b/0x4d0
[  330.401728][ T7491]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.401754][ T7491]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  330.401788][ T7491]  gfs2_get_tree+0x51/0x1e0
[  330.401815][ T7491]  vfs_get_tree+0x8f/0x2b0
[  330.401845][ T7491]  do_new_mount+0x2a2/0xa30
[  330.401876][ T7491]  ? ns_capable+0x8a/0xf0
[  330.401896][ T7491]  ? __pfx_do_new_mount+0x10/0x10
[  330.401925][ T7491]  ? path_mount+0x61c/0xfe0
[  330.401953][ T7491]  ? user_path_at+0x44/0x60
[  330.401980][ T7491]  __se_sys_mount+0x317/0x410
[  330.402014][ T7491]  ? __pfx___se_sys_mount+0x10/0x10
[  330.402047][ T7491]  ? rcu_is_watching+0x15/0xb0
[  330.402067][ T7491]  ? __x64_sys_mount+0x20/0xc0
[  330.402098][ T7491]  do_syscall_64+0xfa/0x3b0
[  330.402120][ T7491]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.402140][ T7491]  ? clear_bhb_loop+0x60/0xb0
[  330.402162][ T7491]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.402183][ T7491] RIP: 0033:0x7fd1cd59038a
[  330.402201][ T7491] 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
[  330.402219][ T7491] RSP: 002b:00007fd1ce43ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.402242][ T7491] RAX: ffffffffffffffda RBX: 00007fd1ce43eef0 RCX: 00007fd1cd59038a
[  330.402258][ T7491] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd1ce43eeb0
[  330.402273][ T7491] RBP: 000020000001f680 R08: 00007fd1ce43eef0 R09: 0000000000000084
[  330.402286][ T7491] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  330.402300][ T7491] R13: 00007fd1ce43eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  330.402322][ T7491]  </TASK>
[  330.402448][ T7491] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  330.409487][ T7493] loop5: detected capacity change from 0 to 32768
[  330.414009][ T7491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.515130][ T7497] loop1: detected capacity change from 0 to 32768
[  330.759325][ T7493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.766944][ T7493] CPU: 1 UID: 0 PID: 7493 Comm: syz.5.335 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  330.766972][ T7493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  330.766985][ T7493] Call Trace:
[  330.766993][ T7493]  <TASK>
[  330.767002][ T7493]  dump_stack_lvl+0x189/0x250
[  330.767032][ T7493]  ? __pfx_dump_stack_lvl+0x10/0x10
[  330.767057][ T7493]  ? __pfx__printk+0x10/0x10
[  330.767084][ T7493]  ? kernfs_root+0x1c/0x230
[  330.767110][ T7493]  ? kernfs_path_from_node+0x250/0x290
[  330.767133][ T7493]  ? kernfs_path_from_node+0x2f/0x290
[  330.767158][ T7493]  sysfs_create_dir_ns+0x259/0x280
[  330.767181][ T7493]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  330.767203][ T7493]  ? do_raw_spin_unlock+0x122/0x240
[  330.767231][ T7493]  kobject_add_internal+0x59f/0xb40
[  330.767259][ T7493]  kobject_init_and_add+0x125/0x190
[  330.767284][ T7493]  ? __pfx_kobject_init_and_add+0x10/0x10
[  330.767315][ T7493]  ? __raw_spin_lock_init+0x45/0x100
[  330.767341][ T7493]  ? __init_swait_queue_head+0xa9/0x150
[  330.767367][ T7493]  gfs2_sys_fs_add+0x234/0x450
[  330.767388][ T7493]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  330.767412][ T7493]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  330.767445][ T7493]  gfs2_fill_super+0x13c0/0x20d0
[  330.767480][ T7493]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.767508][ T7493]  ? sb_set_blocksize+0x104/0x180
[  330.767538][ T7493]  ? setup_bdev_super+0x4c1/0x5b0
[  330.767568][ T7493]  get_tree_bdev_flags+0x40b/0x4d0
[  330.767597][ T7493]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.767624][ T7493]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  330.767657][ T7493]  gfs2_get_tree+0x51/0x1e0
[  330.767684][ T7493]  vfs_get_tree+0x8f/0x2b0
[  330.767714][ T7493]  do_new_mount+0x2a2/0xa30
[  330.767745][ T7493]  ? ns_capable+0x8a/0xf0
[  330.767765][ T7493]  ? __pfx_do_new_mount+0x10/0x10
[  330.767794][ T7493]  ? path_mount+0x61c/0xfe0
[  330.767822][ T7493]  ? user_path_at+0x44/0x60
[  330.767849][ T7493]  __se_sys_mount+0x317/0x410
[  330.767883][ T7493]  ? __pfx___se_sys_mount+0x10/0x10
[  330.767917][ T7493]  ? rcu_is_watching+0x15/0xb0
[  330.767936][ T7493]  ? __x64_sys_mount+0x20/0xc0
[  330.767965][ T7493]  do_syscall_64+0xfa/0x3b0
[  330.767987][ T7493]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.768007][ T7493]  ? clear_bhb_loop+0x60/0xb0
[  330.768029][ T7493]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.768049][ T7493] RIP: 0033:0x7febf859038a
[  330.768068][ T7493] 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
[  330.768084][ T7493] RSP: 002b:00007febf9486e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.768107][ T7493] RAX: ffffffffffffffda RBX: 00007febf9486ef0 RCX: 00007febf859038a
[  330.768122][ T7493] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007febf9486eb0
[  330.768137][ T7493] RBP: 000020000001f680 R08: 00007febf9486ef0 R09: 0000000000000084
[  330.768150][ T7493] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  330.768164][ T7493] R13: 00007febf9486eb0 R14: 000000000001f790 R15: 00002000000001c0
[  330.768186][ T7493]  </TASK>
[  330.768206][ T7493] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.119561][ T7493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  331.126813][ T7497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  331.161673][ T7497] CPU: 1 UID: 0 PID: 7497 Comm: syz.1.336 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  331.161704][ T7497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  331.161718][ T7497] Call Trace:
[  331.161727][ T7497]  <TASK>
[  331.161736][ T7497]  dump_stack_lvl+0x189/0x250
[  331.161769][ T7497]  ? __pfx_dump_stack_lvl+0x10/0x10
[  331.161794][ T7497]  ? __pfx__printk+0x10/0x10
[  331.161822][ T7497]  ? kernfs_root+0x1c/0x230
[  331.161847][ T7497]  ? kernfs_path_from_node+0x250/0x290
[  331.161869][ T7497]  ? kernfs_path_from_node+0x2f/0x290
[  331.161894][ T7497]  sysfs_create_dir_ns+0x259/0x280
[  331.161918][ T7497]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  331.161941][ T7497]  ? do_raw_spin_unlock+0x122/0x240
[  331.161969][ T7497]  kobject_add_internal+0x59f/0xb40
[  331.161998][ T7497]  kobject_init_and_add+0x125/0x190
[  331.162024][ T7497]  ? __pfx_kobject_init_and_add+0x10/0x10
[  331.162047][ T7497]  ? __raw_spin_lock_init+0x45/0x100
[  331.162102][ T7497]  ? __init_swait_queue_head+0xa9/0x150
[  331.162128][ T7497]  gfs2_sys_fs_add+0x234/0x450
[  331.162150][ T7497]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  331.162174][ T7497]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  331.162209][ T7497]  gfs2_fill_super+0x13c0/0x20d0
[  331.162244][ T7497]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.162273][ T7497]  ? sb_set_blocksize+0x104/0x180
[  331.162311][ T7497]  ? setup_bdev_super+0x4c1/0x5b0
[  331.162341][ T7497]  get_tree_bdev_flags+0x40b/0x4d0
[  331.162370][ T7497]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.162397][ T7497]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  331.162431][ T7497]  gfs2_get_tree+0x51/0x1e0
[  331.162458][ T7497]  vfs_get_tree+0x8f/0x2b0
[  331.162488][ T7497]  do_new_mount+0x2a2/0xa30
[  331.162520][ T7497]  ? ns_capable+0x8a/0xf0
[  331.162540][ T7497]  ? __pfx_do_new_mount+0x10/0x10
[  331.162569][ T7497]  ? path_mount+0x61c/0xfe0
[  331.162598][ T7497]  ? user_path_at+0x44/0x60
[  331.162625][ T7497]  __se_sys_mount+0x317/0x410
[  331.162660][ T7497]  ? __pfx___se_sys_mount+0x10/0x10
[  331.162694][ T7497]  ? rcu_is_watching+0x15/0xb0
[  331.162714][ T7497]  ? __x64_sys_mount+0x20/0xc0
[  331.162745][ T7497]  do_syscall_64+0xfa/0x3b0
[  331.162768][ T7497]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.162789][ T7497]  ? clear_bhb_loop+0x60/0xb0
[  331.162842][ T7497]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.162863][ T7497] RIP: 0033:0x7f463659038a
[  331.162888][ T7497] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  331.162906][ T7497] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.162929][ T7497] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  331.162945][ T7497] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  331.162960][ T7497] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  331.162973][ T7497] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  331.162987][ T7497] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  331.163009][ T7497]  </TASK>
[  331.163031][ T7497] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.500954][ T7497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  331.595857][ T7499] loop2: detected capacity change from 0 to 32768
[  331.741988][ T7499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  331.804556][ T7499] CPU: 1 UID: 0 PID: 7499 Comm: syz.2.337 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  331.804588][ T7499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  331.804602][ T7499] Call Trace:
[  331.804611][ T7499]  <TASK>
[  331.804620][ T7499]  dump_stack_lvl+0x189/0x250
[  331.804652][ T7499]  ? __pfx_dump_stack_lvl+0x10/0x10
[  331.804676][ T7499]  ? __pfx__printk+0x10/0x10
[  331.804703][ T7499]  ? kernfs_root+0x1c/0x230
[  331.804728][ T7499]  ? kernfs_path_from_node+0x250/0x290
[  331.804750][ T7499]  ? kernfs_path_from_node+0x2f/0x290
[  331.804774][ T7499]  sysfs_create_dir_ns+0x259/0x280
[  331.804797][ T7499]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  331.804820][ T7499]  ? do_raw_spin_unlock+0x122/0x240
[  331.804848][ T7499]  kobject_add_internal+0x59f/0xb40
[  331.804876][ T7499]  kobject_init_and_add+0x125/0x190
[  331.804901][ T7499]  ? __pfx_kobject_init_and_add+0x10/0x10
[  331.804939][ T7499]  ? __raw_spin_lock_init+0x45/0x100
[  331.804965][ T7499]  ? __init_swait_queue_head+0xa9/0x150
[  331.804991][ T7499]  gfs2_sys_fs_add+0x234/0x450
[  331.805013][ T7499]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  331.805037][ T7499]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  331.805071][ T7499]  gfs2_fill_super+0x13c0/0x20d0
[  331.805105][ T7499]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.805134][ T7499]  ? sb_set_blocksize+0x104/0x180
[  331.805163][ T7499]  ? setup_bdev_super+0x4c1/0x5b0
[  331.805193][ T7499]  get_tree_bdev_flags+0x40b/0x4d0
[  331.805221][ T7499]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.805247][ T7499]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  331.805281][ T7499]  gfs2_get_tree+0x51/0x1e0
[  331.805309][ T7499]  vfs_get_tree+0x8f/0x2b0
[  331.805338][ T7499]  do_new_mount+0x2a2/0xa30
[  331.805370][ T7499]  ? ns_capable+0x8a/0xf0
[  331.805390][ T7499]  ? __pfx_do_new_mount+0x10/0x10
[  331.805419][ T7499]  ? path_mount+0x61c/0xfe0
[  331.805447][ T7499]  ? user_path_at+0x44/0x60
[  331.805475][ T7499]  __se_sys_mount+0x317/0x410
[  331.805509][ T7499]  ? __pfx___se_sys_mount+0x10/0x10
[  331.805543][ T7499]  ? rcu_is_watching+0x15/0xb0
[  331.805562][ T7499]  ? __x64_sys_mount+0x20/0xc0
[  331.805593][ T7499]  do_syscall_64+0xfa/0x3b0
[  331.805615][ T7499]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.805635][ T7499]  ? clear_bhb_loop+0x60/0xb0
[  331.805657][ T7499]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.805677][ T7499] RIP: 0033:0x7ff5ebb9038a
[  331.805696][ T7499] 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
[  331.805714][ T7499] RSP: 002b:00007ff5eca26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.805736][ T7499] RAX: ffffffffffffffda RBX: 00007ff5eca26ef0 RCX: 00007ff5ebb9038a
[  331.805751][ T7499] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ff5eca26eb0
[  331.805766][ T7499] RBP: 000020000001f680 R08: 00007ff5eca26ef0 R09: 0000000000000084
[  331.805780][ T7499] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  331.805793][ T7499] R13: 00007ff5eca26eb0 R14: 000000000001f790 R15: 00002000000001c0
[  331.805816][ T7499]  </TASK>
[  331.805838][ T7499] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.161793][ T7499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  332.258927][ T7503] loop0: detected capacity change from 0 to 32768
[  332.358157][ T7503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  332.380748][ T7503] CPU: 1 UID: 0 PID: 7503 Comm: syz.0.338 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  332.380780][ T7503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  332.380793][ T7503] Call Trace:
[  332.380802][ T7503]  <TASK>
[  332.380810][ T7503]  dump_stack_lvl+0x189/0x250
[  332.380843][ T7503]  ? __pfx_dump_stack_lvl+0x10/0x10
[  332.380868][ T7503]  ? __pfx__printk+0x10/0x10
[  332.380895][ T7503]  ? kernfs_root+0x1c/0x230
[  332.380920][ T7503]  ? kernfs_path_from_node+0x250/0x290
[  332.380943][ T7503]  ? kernfs_path_from_node+0x2f/0x290
[  332.380968][ T7503]  sysfs_create_dir_ns+0x259/0x280
[  332.380991][ T7503]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  332.381014][ T7503]  ? do_raw_spin_unlock+0x122/0x240
[  332.381041][ T7503]  kobject_add_internal+0x59f/0xb40
[  332.381069][ T7503]  kobject_init_and_add+0x125/0x190
[  332.381095][ T7503]  ? __pfx_kobject_init_and_add+0x10/0x10
[  332.381118][ T7503]  ? __raw_spin_lock_init+0x45/0x100
[  332.381144][ T7503]  ? __init_swait_queue_head+0xa9/0x150
[  332.381178][ T7503]  gfs2_sys_fs_add+0x234/0x450
[  332.381201][ T7503]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  332.381226][ T7503]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  332.381260][ T7503]  gfs2_fill_super+0x13c0/0x20d0
[  332.381295][ T7503]  ? __pfx_gfs2_fill_super+0x10/0x10
[  332.381324][ T7503]  ? sb_set_blocksize+0x104/0x180
[  332.381354][ T7503]  ? setup_bdev_super+0x4c1/0x5b0
[  332.381384][ T7503]  get_tree_bdev_flags+0x40b/0x4d0
[  332.381412][ T7503]  ? __pfx_gfs2_fill_super+0x10/0x10
[  332.381438][ T7503]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  332.381471][ T7503]  gfs2_get_tree+0x51/0x1e0
[  332.381498][ T7503]  vfs_get_tree+0x8f/0x2b0
[  332.381526][ T7503]  do_new_mount+0x2a2/0xa30
[  332.381558][ T7503]  ? ns_capable+0x8a/0xf0
[  332.381577][ T7503]  ? __pfx_do_new_mount+0x10/0x10
[  332.381607][ T7503]  ? path_mount+0x61c/0xfe0
[  332.381634][ T7503]  ? user_path_at+0x44/0x60
[  332.381662][ T7503]  __se_sys_mount+0x317/0x410
[  332.381696][ T7503]  ? __pfx___se_sys_mount+0x10/0x10
[  332.381730][ T7503]  ? rcu_is_watching+0x15/0xb0
[  332.381750][ T7503]  ? __x64_sys_mount+0x20/0xc0
[  332.381781][ T7503]  do_syscall_64+0xfa/0x3b0
[  332.381814][ T7503]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.381835][ T7503]  ? clear_bhb_loop+0x60/0xb0
[  332.381858][ T7503]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.381878][ T7503] RIP: 0033:0x7fdbbdf9038a
[  332.381896][ T7503] 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
[  332.381914][ T7503] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  332.381937][ T7503] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
[  332.381954][ T7503] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  332.381969][ T7503] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  332.381982][ T7503] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  332.381996][ T7503] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  332.382019][ T7503]  </TASK>
[  332.382039][ T7503] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.706686][ T7503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.074138][ T7509] loop4: detected capacity change from 0 to 32768
[  333.084245][ T7511] loop5: detected capacity change from 0 to 32768
[  333.141606][ T7509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.150032][ T7509] CPU: 1 UID: 0 PID: 7509 Comm: syz.4.339 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  333.150063][ T7509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  333.150078][ T7509] Call Trace:
[  333.150086][ T7509]  <TASK>
[  333.150096][ T7509]  dump_stack_lvl+0x189/0x250
[  333.150128][ T7509]  ? __pfx_dump_stack_lvl+0x10/0x10
[  333.150153][ T7509]  ? __pfx__printk+0x10/0x10
[  333.150179][ T7509]  ? kernfs_root+0x1c/0x230
[  333.150204][ T7509]  ? kernfs_path_from_node+0x250/0x290
[  333.150227][ T7509]  ? kernfs_path_from_node+0x2f/0x290
[  333.150250][ T7509]  sysfs_create_dir_ns+0x259/0x280
[  333.150272][ T7509]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  333.150296][ T7509]  ? do_raw_spin_unlock+0x122/0x240
[  333.150322][ T7509]  kobject_add_internal+0x59f/0xb40
[  333.150349][ T7509]  kobject_init_and_add+0x125/0x190
[  333.150374][ T7509]  ? __pfx_kobject_init_and_add+0x10/0x10
[  333.150397][ T7509]  ? __raw_spin_lock_init+0x45/0x100
[  333.150422][ T7509]  ? __init_swait_queue_head+0xa9/0x150
[  333.150447][ T7509]  gfs2_sys_fs_add+0x234/0x450
[  333.150469][ T7509]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  333.150492][ T7509]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  333.150524][ T7509]  gfs2_fill_super+0x13c0/0x20d0
[  333.150557][ T7509]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.150584][ T7509]  ? sb_set_blocksize+0x104/0x180
[  333.150614][ T7509]  ? setup_bdev_super+0x4c1/0x5b0
[  333.150647][ T7509]  get_tree_bdev_flags+0x40b/0x4d0
[  333.150673][ T7509]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.150699][ T7509]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  333.150730][ T7509]  gfs2_get_tree+0x51/0x1e0
[  333.150756][ T7509]  vfs_get_tree+0x8f/0x2b0
[  333.150783][ T7509]  do_new_mount+0x2a2/0xa30
[  333.150812][ T7509]  ? ns_capable+0x8a/0xf0
[  333.150831][ T7509]  ? __pfx_do_new_mount+0x10/0x10
[  333.150867][ T7509]  ? path_mount+0x61c/0xfe0
[  333.150894][ T7509]  ? user_path_at+0x44/0x60
[  333.150918][ T7509]  __se_sys_mount+0x317/0x410
[  333.150951][ T7509]  ? __pfx___se_sys_mount+0x10/0x10
[  333.150984][ T7509]  ? rcu_is_watching+0x15/0xb0
[  333.151003][ T7509]  ? __x64_sys_mount+0x20/0xc0
[  333.151034][ T7509]  do_syscall_64+0xfa/0x3b0
[  333.151055][ T7509]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.151075][ T7509]  ? clear_bhb_loop+0x60/0xb0
[  333.151097][ T7509]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.151116][ T7509] RIP: 0033:0x7fd1cd59038a
[  333.151134][ T7509] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  333.151150][ T7509] RSP: 002b:00007fd1ce43ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.151171][ T7509] RAX: ffffffffffffffda RBX: 00007fd1ce43eef0 RCX: 00007fd1cd59038a
[  333.151187][ T7509] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd1ce43eeb0
[  333.151202][ T7509] RBP: 000020000001f680 R08: 00007fd1ce43eef0 R09: 0000000000000084
[  333.151215][ T7509] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  333.151228][ T7509] R13: 00007fd1ce43eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  333.151250][ T7509]  </TASK>
[  333.511918][ T7515] loop1: detected capacity change from 0 to 32768
[  333.520344][ T7509] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.560965][ T7509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.747329][ T7521] loop0: detected capacity change from 0 to 32768
[  333.777795][ T7511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.785645][ T7511] CPU: 1 UID: 0 PID: 7511 Comm: syz.5.340 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  333.785675][ T7511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  333.785689][ T7511] Call Trace:
[  333.785697][ T7511]  <TASK>
[  333.785707][ T7511]  dump_stack_lvl+0x189/0x250
[  333.785738][ T7511]  ? __pfx_dump_stack_lvl+0x10/0x10
[  333.785763][ T7511]  ? __pfx__printk+0x10/0x10
[  333.785789][ T7511]  ? kernfs_root+0x1c/0x230
[  333.785824][ T7511]  ? kernfs_path_from_node+0x250/0x290
[  333.785846][ T7511]  ? kernfs_path_from_node+0x2f/0x290
[  333.785869][ T7511]  sysfs_create_dir_ns+0x259/0x280
[  333.785892][ T7511]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  333.785914][ T7511]  ? do_raw_spin_unlock+0x122/0x240
[  333.785942][ T7511]  kobject_add_internal+0x59f/0xb40
[  333.785971][ T7511]  kobject_init_and_add+0x125/0x190
[  333.785997][ T7511]  ? __pfx_kobject_init_and_add+0x10/0x10
[  333.786019][ T7511]  ? __raw_spin_lock_init+0x45/0x100
[  333.786045][ T7511]  ? __init_swait_queue_head+0xa9/0x150
[  333.786070][ T7511]  gfs2_sys_fs_add+0x234/0x450
[  333.786092][ T7511]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  333.786117][ T7511]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  333.786149][ T7511]  gfs2_fill_super+0x13c0/0x20d0
[  333.786182][ T7511]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.786211][ T7511]  ? sb_set_blocksize+0x104/0x180
[  333.786241][ T7511]  ? setup_bdev_super+0x4c1/0x5b0
[  333.786270][ T7511]  get_tree_bdev_flags+0x40b/0x4d0
[  333.786297][ T7511]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.786324][ T7511]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  333.786359][ T7511]  gfs2_get_tree+0x51/0x1e0
[  333.786386][ T7511]  vfs_get_tree+0x8f/0x2b0
[  333.786415][ T7511]  do_new_mount+0x2a2/0xa30
[  333.786446][ T7511]  ? ns_capable+0x8a/0xf0
[  333.786465][ T7511]  ? __pfx_do_new_mount+0x10/0x10
[  333.786495][ T7511]  ? path_mount+0x61c/0xfe0
[  333.786522][ T7511]  ? user_path_at+0x44/0x60
[  333.786548][ T7511]  __se_sys_mount+0x317/0x410
[  333.786582][ T7511]  ? __pfx___se_sys_mount+0x10/0x10
[  333.786615][ T7511]  ? rcu_is_watching+0x15/0xb0
[  333.786635][ T7511]  ? __x64_sys_mount+0x20/0xc0
[  333.786667][ T7511]  do_syscall_64+0xfa/0x3b0
[  333.786689][ T7511]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.786709][ T7511]  ? clear_bhb_loop+0x60/0xb0
[  333.786732][ T7511]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.786752][ T7511] RIP: 0033:0x7febf859038a
[  333.786770][ T7511] 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
[  333.786788][ T7511] RSP: 002b:00007febf9486e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.786820][ T7511] RAX: ffffffffffffffda RBX: 00007febf9486ef0 RCX: 00007febf859038a
[  333.786836][ T7511] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007febf9486eb0
[  333.786851][ T7511] RBP: 000020000001f680 R08: 00007febf9486ef0 R09: 0000000000000084
[  333.786866][ T7511] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  333.786879][ T7511] R13: 00007febf9486eb0 R14: 000000000001f790 R15: 00002000000001c0
[  333.786901][ T7511]  </TASK>
[  333.786923][ T7511] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.790282][ T7515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.803046][ T7511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.955282][ T7521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.990744][ T7515] CPU: 1 UID: 0 PID: 7515 Comm: syz.1.341 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  333.990796][ T7515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  333.990813][ T7515] Call Trace:
[  333.990823][ T7515]  <TASK>
[  333.990834][ T7515]  dump_stack_lvl+0x189/0x250
[  333.990872][ T7515]  ? __pfx_dump_stack_lvl+0x10/0x10
[  333.990901][ T7515]  ? __pfx__printk+0x10/0x10
[  333.990931][ T7515]  ? kernfs_root+0x1c/0x230
[  333.990956][ T7515]  ? kernfs_path_from_node+0x250/0x290
[  333.990977][ T7515]  ? kernfs_path_from_node+0x2f/0x290
[  333.991000][ T7515]  sysfs_create_dir_ns+0x259/0x280
[  333.991026][ T7515]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  333.991047][ T7515]  ? do_raw_spin_unlock+0x122/0x240
[  333.991074][ T7515]  kobject_add_internal+0x59f/0xb40
[  333.991105][ T7515]  kobject_init_and_add+0x125/0x190
[  333.991133][ T7515]  ? __pfx_kobject_init_and_add+0x10/0x10
[  333.991162][ T7515]  ? __raw_spin_lock_init+0x45/0x100
[  333.991192][ T7515]  ? __init_swait_queue_head+0xa9/0x150
[  333.991221][ T7515]  gfs2_sys_fs_add+0x234/0x450
[  333.991246][ T7515]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  333.991273][ T7515]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  333.991311][ T7515]  gfs2_fill_super+0x13c0/0x20d0
[  333.991349][ T7515]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.991381][ T7515]  ? sb_set_blocksize+0x104/0x180
[  333.991413][ T7515]  ? setup_bdev_super+0x4c1/0x5b0
[  333.991448][ T7515]  get_tree_bdev_flags+0x40b/0x4d0
[  333.991481][ T7515]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.991510][ T7515]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  333.991547][ T7515]  gfs2_get_tree+0x51/0x1e0
[  333.991606][ T7515]  vfs_get_tree+0x8f/0x2b0
[  333.991638][ T7515]  do_new_mount+0x2a2/0xa30
[  333.991674][ T7515]  ? ns_capable+0x8a/0xf0
[  333.991697][ T7515]  ? __pfx_do_new_mount+0x10/0x10
[  333.991728][ T7515]  ? path_mount+0x61c/0xfe0
[  333.991768][ T7515]  ? user_path_at+0x44/0x60
[  333.991799][ T7515]  __se_sys_mount+0x317/0x410
[  333.991837][ T7515]  ? __pfx___se_sys_mount+0x10/0x10
[  333.991874][ T7515]  ? rcu_is_watching+0x15/0xb0
[  333.991897][ T7515]  ? __x64_sys_mount+0x20/0xc0
[  333.991932][ T7515]  do_syscall_64+0xfa/0x3b0
[  333.991956][ T7515]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.991980][ T7515]  ? clear_bhb_loop+0x60/0xb0
[  333.992005][ T7515]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.992028][ T7515] RIP: 0033:0x7f463659038a
[  333.992049][ T7515] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  333.992069][ T7515] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.992096][ T7515] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  333.992114][ T7515] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  333.992132][ T7515] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  333.992149][ T7515] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  333.992165][ T7515] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  333.992191][ T7515]  </TASK>
[  333.992317][ T7515] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.113927][ T7521] CPU: 0 UID: 0 PID: 7521 Comm: syz.0.343 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  334.113965][ T7521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  334.113980][ T7521] Call Trace:
[  334.113989][ T7521]  <TASK>
[  334.114010][ T7521]  dump_stack_lvl+0x189/0x250
[  334.114044][ T7521]  ? __pfx_dump_stack_lvl+0x10/0x10
[  334.114074][ T7521]  ? __pfx__printk+0x10/0x10
[  334.114104][ T7521]  ? kernfs_root+0x1c/0x230
[  334.114133][ T7521]  ? kernfs_path_from_node+0x250/0x290
[  334.114158][ T7521]  ? kernfs_path_from_node+0x2f/0x290
[  334.114186][ T7521]  sysfs_create_dir_ns+0x259/0x280
[  334.114213][ T7521]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  334.114239][ T7521]  ? do_raw_spin_unlock+0x122/0x240
[  334.114272][ T7521]  kobject_add_internal+0x59f/0xb40
[  334.114306][ T7521]  kobject_init_and_add+0x125/0x190
[  334.114334][ T7521]  ? __pfx_kobject_init_and_add+0x10/0x10
[  334.114362][ T7521]  ? __raw_spin_lock_init+0x45/0x100
[  334.114391][ T7521]  ? __init_swait_queue_head+0xa9/0x150
[  334.114420][ T7521]  gfs2_sys_fs_add+0x234/0x450
[  334.114446][ T7521]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  334.114473][ T7521]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  334.114511][ T7521]  gfs2_fill_super+0x13c0/0x20d0
[  334.114551][ T7521]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.114582][ T7521]  ? sb_set_blocksize+0x104/0x180
[  334.114618][ T7521]  ? setup_bdev_super+0x4c1/0x5b0
[  334.114652][ T7521]  get_tree_bdev_flags+0x40b/0x4d0
[  334.114683][ T7521]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.114714][ T7521]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  334.114750][ T7521]  gfs2_get_tree+0x51/0x1e0
[  334.114780][ T7521]  vfs_get_tree+0x8f/0x2b0
[  334.114813][ T7521]  do_new_mount+0x2a2/0xa30
[  334.114850][ T7521]  ? ns_capable+0x8a/0xf0
[  334.114871][ T7521]  ? __pfx_do_new_mount+0x10/0x10
[  334.114905][ T7521]  ? path_mount+0x61c/0xfe0
[  334.114935][ T7521]  ? user_path_at+0x44/0x60
[  334.114967][ T7521]  __se_sys_mount+0x317/0x410
2025/08/16 02:36:21 executed programs: 337
[  334.115016][ T7521]  ? __pfx___se_sys_mount+0x10/0x10
[  334.115054][ T7521]  ? rcu_is_watching+0x15/0xb0
[  334.115077][ T7521]  ? __x64_sys_mount+0x20/0xc0
[  334.115112][ T7521]  do_syscall_64+0xfa/0x3b0
[  334.115137][ T7521]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.115160][ T7521]  ? clear_bhb_loop+0x60/0xb0
[  334.115186][ T7521]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.115209][ T7521] RIP: 0033:0x7fdbbdf9038a
[  334.115229][ T7521] 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
[  334.115249][ T7521] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  334.115298][ T7521] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
[  334.115319][ T7521] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  334.115334][ T7521] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  334.115351][ T7521] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  334.115368][ T7521] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  334.115393][ T7521]  </TASK>
[  334.115425][ T7521] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.120385][ T7515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  334.184014][ T7521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  334.356756][ T7519] loop2: detected capacity change from 0 to 32768
[  334.803910][ T7519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  334.857125][ T7519] CPU: 0 UID: 0 PID: 7519 Comm: syz.2.342 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  334.857157][ T7519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  334.857171][ T7519] Call Trace:
[  334.857180][ T7519]  <TASK>
[  334.857188][ T7519]  dump_stack_lvl+0x189/0x250
[  334.857221][ T7519]  ? __pfx_dump_stack_lvl+0x10/0x10
[  334.857246][ T7519]  ? __pfx__printk+0x10/0x10
[  334.857272][ T7519]  ? kernfs_root+0x1c/0x230
[  334.857296][ T7519]  ? kernfs_path_from_node+0x250/0x290
[  334.857319][ T7519]  ? kernfs_path_from_node+0x2f/0x290
[  334.857342][ T7519]  sysfs_create_dir_ns+0x259/0x280
[  334.857365][ T7519]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  334.857388][ T7519]  ? do_raw_spin_unlock+0x122/0x240
[  334.857415][ T7519]  kobject_add_internal+0x59f/0xb40
[  334.857447][ T7519]  kobject_init_and_add+0x125/0x190
[  334.857473][ T7519]  ? __pfx_kobject_init_and_add+0x10/0x10
[  334.857496][ T7519]  ? __raw_spin_lock_init+0x45/0x100
[  334.857521][ T7519]  ? __init_swait_queue_head+0xa9/0x150
[  334.857545][ T7519]  gfs2_sys_fs_add+0x234/0x450
[  334.857568][ T7519]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  334.857590][ T7519]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  334.857623][ T7519]  gfs2_fill_super+0x13c0/0x20d0
[  334.857657][ T7519]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.857685][ T7519]  ? sb_set_blocksize+0x104/0x180
[  334.857716][ T7519]  ? setup_bdev_super+0x4c1/0x5b0
[  334.857746][ T7519]  get_tree_bdev_flags+0x40b/0x4d0
[  334.857773][ T7519]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.857798][ T7519]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  334.857831][ T7519]  gfs2_get_tree+0x51/0x1e0
[  334.857858][ T7519]  vfs_get_tree+0x8f/0x2b0
[  334.857887][ T7519]  do_new_mount+0x2a2/0xa30
[  334.857925][ T7519]  ? ns_capable+0x8a/0xf0
[  334.857945][ T7519]  ? __pfx_do_new_mount+0x10/0x10
[  334.857973][ T7519]  ? path_mount+0x61c/0xfe0
[  334.858000][ T7519]  ? user_path_at+0x44/0x60
[  334.858027][ T7519]  __se_sys_mount+0x317/0x410
[  334.858060][ T7519]  ? __pfx___se_sys_mount+0x10/0x10
[  334.858093][ T7519]  ? rcu_is_watching+0x15/0xb0
[  334.858112][ T7519]  ? __x64_sys_mount+0x20/0xc0
[  334.858142][ T7519]  do_syscall_64+0xfa/0x3b0
[  334.858165][ T7519]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.858184][ T7519]  ? clear_bhb_loop+0x60/0xb0
[  334.858206][ T7519]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.858226][ T7519] RIP: 0033:0x7ff5ebb9038a
[  334.858255][ T7519] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  334.858273][ T7519] RSP: 002b:00007ff5eca26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  334.858294][ T7519] RAX: ffffffffffffffda RBX: 00007ff5eca26ef0 RCX: 00007ff5ebb9038a
[  334.858311][ T7519] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ff5eca26eb0
[  334.858325][ T7519] RBP: 000020000001f680 R08: 00007ff5eca26ef0 R09: 0000000000000084
[  334.858340][ T7519] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  334.858353][ T7519] R13: 00007ff5eca26eb0 R14: 000000000001f790 R15: 00002000000001c0
[  334.858376][ T7519]  </TASK>
[  334.858395][ T7519] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.925620][ T5902] Bluetooth: hci5: command 0x0406 tx timeout
[  335.060898][ T7519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.838337][ T7531] loop4: detected capacity change from 0 to 32768
[  335.920827][ T7531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.928274][ T7531] CPU: 0 UID: 0 PID: 7531 Comm: syz.4.344 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  335.928302][ T7531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  335.928315][ T7531] Call Trace:
[  335.928323][ T7531]  <TASK>
[  335.928331][ T7531]  dump_stack_lvl+0x189/0x250
[  335.928362][ T7531]  ? __pfx_dump_stack_lvl+0x10/0x10
[  335.928387][ T7531]  ? __pfx__printk+0x10/0x10
[  335.928414][ T7531]  ? kernfs_root+0x1c/0x230
[  335.928440][ T7531]  ? kernfs_path_from_node+0x250/0x290
[  335.928462][ T7531]  ? kernfs_path_from_node+0x2f/0x290
[  335.928487][ T7531]  sysfs_create_dir_ns+0x259/0x280
[  335.928510][ T7531]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  335.928540][ T7531]  ? do_raw_spin_unlock+0x122/0x240
[  335.928568][ T7531]  kobject_add_internal+0x59f/0xb40
[  335.928596][ T7531]  kobject_init_and_add+0x125/0x190
[  335.928621][ T7531]  ? __pfx_kobject_init_and_add+0x10/0x10
[  335.928645][ T7531]  ? __raw_spin_lock_init+0x45/0x100
[  335.928669][ T7531]  ? __init_swait_queue_head+0xa9/0x150
[  335.928696][ T7531]  gfs2_sys_fs_add+0x234/0x450
[  335.928717][ T7531]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  335.928741][ T7531]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  335.928775][ T7531]  gfs2_fill_super+0x13c0/0x20d0
[  335.928814][ T7531]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.928847][ T7531]  ? sb_set_blocksize+0x104/0x180
[  335.928878][ T7531]  ? setup_bdev_super+0x4c1/0x5b0
[  335.928908][ T7531]  get_tree_bdev_flags+0x40b/0x4d0
[  335.928933][ T7531]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.928959][ T7531]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  335.928994][ T7531]  gfs2_get_tree+0x51/0x1e0
[  335.929021][ T7531]  vfs_get_tree+0x8f/0x2b0
[  335.929051][ T7531]  do_new_mount+0x2a2/0xa30
[  335.929082][ T7531]  ? ns_capable+0x8a/0xf0
[  335.929101][ T7531]  ? __pfx_do_new_mount+0x10/0x10
[  335.929128][ T7531]  ? path_mount+0x61c/0xfe0
[  335.929156][ T7531]  ? user_path_at+0x44/0x60
[  335.929182][ T7531]  __se_sys_mount+0x317/0x410
[  335.929216][ T7531]  ? __pfx___se_sys_mount+0x10/0x10
[  335.929249][ T7531]  ? rcu_is_watching+0x15/0xb0
[  335.929268][ T7531]  ? __x64_sys_mount+0x20/0xc0
[  335.929299][ T7531]  do_syscall_64+0xfa/0x3b0
[  335.929322][ T7531]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.929342][ T7531]  ? clear_bhb_loop+0x60/0xb0
[  335.929365][ T7531]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.929386][ T7531] RIP: 0033:0x7fd1cd59038a
[  335.929405][ T7531] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  335.929423][ T7531] RSP: 002b:00007fd1ce43ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.929447][ T7531] RAX: ffffffffffffffda RBX: 00007fd1ce43eef0 RCX: 00007fd1cd59038a
[  335.929462][ T7531] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd1ce43eeb0
[  335.929477][ T7531] RBP: 000020000001f680 R08: 00007fd1ce43eef0 R09: 0000000000000084
[  335.929492][ T7531] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  335.929505][ T7531] R13: 00007fd1ce43eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  335.929534][ T7531]  </TASK>
[  335.929555][ T7531] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.089376][ T7541] loop0: detected capacity change from 0 to 32768
[  336.101881][ T7533] loop5: detected capacity change from 0 to 32768
[  336.114651][ T7531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.230065][ T7541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.279513][ T7541] CPU: 0 UID: 0 PID: 7541 Comm: syz.0.348 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  336.279544][ T7541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  336.279558][ T7541] Call Trace:
[  336.279566][ T7541]  <TASK>
[  336.279576][ T7541]  dump_stack_lvl+0x189/0x250
[  336.279608][ T7541]  ? __pfx_dump_stack_lvl+0x10/0x10
[  336.279634][ T7541]  ? __pfx__printk+0x10/0x10
[  336.279662][ T7541]  ? kernfs_root+0x1c/0x230
[  336.279687][ T7541]  ? kernfs_path_from_node+0x250/0x290
[  336.279709][ T7541]  ? kernfs_path_from_node+0x2f/0x290
[  336.279734][ T7541]  sysfs_create_dir_ns+0x259/0x280
[  336.279758][ T7541]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  336.279788][ T7541]  ? do_raw_spin_unlock+0x122/0x240
[  336.279817][ T7541]  kobject_add_internal+0x59f/0xb40
[  336.279846][ T7541]  kobject_init_and_add+0x125/0x190
[  336.279872][ T7541]  ? __pfx_kobject_init_and_add+0x10/0x10
[  336.279895][ T7541]  ? __raw_spin_lock_init+0x45/0x100
[  336.279921][ T7541]  ? __init_swait_queue_head+0xa9/0x150
[  336.279947][ T7541]  gfs2_sys_fs_add+0x234/0x450
[  336.279970][ T7541]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  336.279993][ T7541]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  336.280026][ T7541]  gfs2_fill_super+0x13c0/0x20d0
[  336.280061][ T7541]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.280089][ T7541]  ? sb_set_blocksize+0x104/0x180
[  336.280121][ T7541]  ? setup_bdev_super+0x4c1/0x5b0
[  336.280151][ T7541]  get_tree_bdev_flags+0x40b/0x4d0
[  336.280179][ T7541]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.280206][ T7541]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  336.280239][ T7541]  gfs2_get_tree+0x51/0x1e0
[  336.280267][ T7541]  vfs_get_tree+0x8f/0x2b0
[  336.280296][ T7541]  do_new_mount+0x2a2/0xa30
[  336.280328][ T7541]  ? ns_capable+0x8a/0xf0
[  336.280348][ T7541]  ? __pfx_do_new_mount+0x10/0x10
[  336.280377][ T7541]  ? path_mount+0x61c/0xfe0
[  336.280405][ T7541]  ? user_path_at+0x44/0x60
[  336.280434][ T7541]  __se_sys_mount+0x317/0x410
[  336.280467][ T7541]  ? __pfx___se_sys_mount+0x10/0x10
[  336.280501][ T7541]  ? rcu_is_watching+0x15/0xb0
[  336.280520][ T7541]  ? __x64_sys_mount+0x20/0xc0
[  336.280552][ T7541]  do_syscall_64+0xfa/0x3b0
[  336.280574][ T7541]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.280594][ T7541]  ? clear_bhb_loop+0x60/0xb0
[  336.280617][ T7541]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.280642][ T7541] RIP: 0033:0x7fdbbdf9038a
[  336.280659][ T7541] 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
[  336.280676][ T7541] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.280697][ T7541] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
[  336.280713][ T7541] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  336.280728][ T7541] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  336.280743][ T7541] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  336.280757][ T7541] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  336.280786][ T7541]  </TASK>
[  336.610754][ T7541] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.614985][ T7537] loop1: detected capacity change from 0 to 32768
[  336.640732][ T7541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.658824][ T7539] loop2: detected capacity change from 0 to 32768
[  336.706963][ T7533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.715266][ T7533] CPU: 1 UID: 0 PID: 7533 Comm: syz.5.345 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  336.715297][ T7533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  336.715311][ T7533] Call Trace:
[  336.715319][ T7533]  <TASK>
[  336.715328][ T7533]  dump_stack_lvl+0x189/0x250
[  336.715360][ T7533]  ? __pfx_dump_stack_lvl+0x10/0x10
[  336.715385][ T7533]  ? __pfx__printk+0x10/0x10
[  336.715412][ T7533]  ? kernfs_root+0x1c/0x230
[  336.715436][ T7533]  ? kernfs_path_from_node+0x250/0x290
[  336.715457][ T7533]  ? kernfs_path_from_node+0x2f/0x290
[  336.715480][ T7533]  sysfs_create_dir_ns+0x259/0x280
[  336.715504][ T7533]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  336.715526][ T7533]  ? do_raw_spin_unlock+0x122/0x240
[  336.715555][ T7533]  kobject_add_internal+0x59f/0xb40
[  336.715583][ T7533]  kobject_init_and_add+0x125/0x190
[  336.715608][ T7533]  ? __pfx_kobject_init_and_add+0x10/0x10
[  336.715631][ T7533]  ? __raw_spin_lock_init+0x45/0x100
[  336.715656][ T7533]  ? __init_swait_queue_head+0xa9/0x150
[  336.715681][ T7533]  gfs2_sys_fs_add+0x234/0x450
[  336.715702][ T7533]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  336.715725][ T7533]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  336.715768][ T7533]  gfs2_fill_super+0x13c0/0x20d0
[  336.715803][ T7533]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.715831][ T7533]  ? sb_set_blocksize+0x104/0x180
[  336.715857][ T7533]  ? setup_bdev_super+0x4c1/0x5b0
[  336.715881][ T7533]  get_tree_bdev_flags+0x40b/0x4d0
[  336.715904][ T7533]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.715926][ T7533]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  336.715953][ T7533]  gfs2_get_tree+0x51/0x1e0
[  336.715985][ T7533]  vfs_get_tree+0x8f/0x2b0
[  336.716008][ T7533]  do_new_mount+0x2a2/0xa30
[  336.716035][ T7533]  ? ns_capable+0x8a/0xf0
[  336.716050][ T7533]  ? __pfx_do_new_mount+0x10/0x10
[  336.716074][ T7533]  ? path_mount+0x61c/0xfe0
[  336.716098][ T7533]  ? user_path_at+0x44/0x60
[  336.716120][ T7533]  __se_sys_mount+0x317/0x410
[  336.716148][ T7533]  ? __pfx___se_sys_mount+0x10/0x10
[  336.716175][ T7533]  ? rcu_is_watching+0x15/0xb0
[  336.716191][ T7533]  ? __x64_sys_mount+0x20/0xc0
[  336.716217][ T7533]  do_syscall_64+0xfa/0x3b0
[  336.716234][ T7533]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.716251][ T7533]  ? clear_bhb_loop+0x60/0xb0
[  336.716270][ T7533]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.716285][ T7533] RIP: 0033:0x7febf859038a
[  336.716301][ T7533] 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
[  336.716316][ T7533] RSP: 002b:00007febf9486e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.716334][ T7533] RAX: ffffffffffffffda RBX: 00007febf9486ef0 RCX: 00007febf859038a
[  336.716348][ T7533] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007febf9486eb0
[  336.716360][ T7533] RBP: 000020000001f680 R08: 00007febf9486ef0 R09: 0000000000000084
[  336.716372][ T7533] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  336.716383][ T7533] R13: 00007febf9486eb0 R14: 000000000001f790 R15: 00002000000001c0
[  336.716401][ T7533]  </TASK>
[  336.716565][ T7533] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.044443][ T7533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.044578][ T7537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.075784][ T7537] CPU: 1 UID: 0 PID: 7537 Comm: syz.1.346 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  337.075817][ T7537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  337.075831][ T7537] Call Trace:
[  337.075839][ T7537]  <TASK>
[  337.075849][ T7537]  dump_stack_lvl+0x189/0x250
[  337.075881][ T7537]  ? __pfx_dump_stack_lvl+0x10/0x10
[  337.075906][ T7537]  ? __pfx__printk+0x10/0x10
[  337.075933][ T7537]  ? kernfs_root+0x1c/0x230
[  337.075959][ T7537]  ? kernfs_path_from_node+0x250/0x290
[  337.075981][ T7537]  ? kernfs_path_from_node+0x2f/0x290
[  337.076006][ T7537]  sysfs_create_dir_ns+0x259/0x280
[  337.076029][ T7537]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  337.076051][ T7537]  ? do_raw_spin_unlock+0x122/0x240
[  337.076079][ T7537]  kobject_add_internal+0x59f/0xb40
[  337.076109][ T7537]  kobject_init_and_add+0x125/0x190
[  337.076133][ T7537]  ? __pfx_kobject_init_and_add+0x10/0x10
[  337.076156][ T7537]  ? __raw_spin_lock_init+0x45/0x100
[  337.076182][ T7537]  ? __init_swait_queue_head+0xa9/0x150
[  337.076209][ T7537]  gfs2_sys_fs_add+0x234/0x450
[  337.076231][ T7537]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  337.076255][ T7537]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  337.076289][ T7537]  gfs2_fill_super+0x13c0/0x20d0
[  337.076323][ T7537]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.076352][ T7537]  ? sb_set_blocksize+0x104/0x180
[  337.076383][ T7537]  ? setup_bdev_super+0x4c1/0x5b0
[  337.076413][ T7537]  get_tree_bdev_flags+0x40b/0x4d0
[  337.076441][ T7537]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.076475][ T7537]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  337.076508][ T7537]  gfs2_get_tree+0x51/0x1e0
[  337.076536][ T7537]  vfs_get_tree+0x8f/0x2b0
[  337.076564][ T7537]  do_new_mount+0x2a2/0xa30
[  337.076596][ T7537]  ? ns_capable+0x8a/0xf0
[  337.076616][ T7537]  ? __pfx_do_new_mount+0x10/0x10
[  337.076645][ T7537]  ? path_mount+0x61c/0xfe0
[  337.076673][ T7537]  ? user_path_at+0x44/0x60
[  337.076700][ T7537]  __se_sys_mount+0x317/0x410
[  337.076734][ T7537]  ? __pfx___se_sys_mount+0x10/0x10
[  337.076767][ T7537]  ? rcu_is_watching+0x15/0xb0
[  337.076787][ T7537]  ? __x64_sys_mount+0x20/0xc0
[  337.076819][ T7537]  do_syscall_64+0xfa/0x3b0
[  337.076842][ T7537]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.076862][ T7537]  ? clear_bhb_loop+0x60/0xb0
[  337.076886][ T7537]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.076906][ T7537] RIP: 0033:0x7f463659038a
[  337.076925][ T7537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  337.076943][ T7537] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.076966][ T7537] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  337.076982][ T7537] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  337.076997][ T7537] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  337.077011][ T7537] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  337.077025][ T7537] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  337.077047][ T7537]  </TASK>
[  337.077068][ T7537] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.165836][ T7539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.410730][ T7537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.461145][ T7539] CPU: 0 UID: 0 PID: 7539 Comm: syz.2.347 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  337.461176][ T7539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  337.461190][ T7539] Call Trace:
[  337.461198][ T7539]  <TASK>
[  337.461207][ T7539]  dump_stack_lvl+0x189/0x250
[  337.461238][ T7539]  ? __pfx_dump_stack_lvl+0x10/0x10
[  337.461262][ T7539]  ? __pfx__printk+0x10/0x10
[  337.461290][ T7539]  ? kernfs_root+0x1c/0x230
[  337.461315][ T7539]  ? kernfs_path_from_node+0x250/0x290
[  337.461337][ T7539]  ? kernfs_path_from_node+0x2f/0x290
[  337.461361][ T7539]  sysfs_create_dir_ns+0x259/0x280
[  337.461383][ T7539]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  337.461405][ T7539]  ? do_raw_spin_unlock+0x122/0x240
[  337.461433][ T7539]  kobject_add_internal+0x59f/0xb40
[  337.461460][ T7539]  kobject_init_and_add+0x125/0x190
[  337.461485][ T7539]  ? __pfx_kobject_init_and_add+0x10/0x10
[  337.461519][ T7539]  ? __raw_spin_lock_init+0x45/0x100
[  337.461544][ T7539]  ? __init_swait_queue_head+0xa9/0x150
[  337.461569][ T7539]  gfs2_sys_fs_add+0x234/0x450
[  337.461591][ T7539]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  337.461614][ T7539]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  337.461647][ T7539]  gfs2_fill_super+0x13c0/0x20d0
[  337.461686][ T7539]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.461713][ T7539]  ? sb_set_blocksize+0x104/0x180
[  337.461742][ T7539]  ? setup_bdev_super+0x4c1/0x5b0
[  337.461770][ T7539]  get_tree_bdev_flags+0x40b/0x4d0
[  337.461798][ T7539]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.461823][ T7539]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  337.461855][ T7539]  gfs2_get_tree+0x51/0x1e0
[  337.461882][ T7539]  vfs_get_tree+0x8f/0x2b0
[  337.461910][ T7539]  do_new_mount+0x2a2/0xa30
[  337.461941][ T7539]  ? ns_capable+0x8a/0xf0
[  337.461960][ T7539]  ? __pfx_do_new_mount+0x10/0x10
[  337.461988][ T7539]  ? path_mount+0x61c/0xfe0
[  337.462014][ T7539]  ? user_path_at+0x44/0x60
[  337.462041][ T7539]  __se_sys_mount+0x317/0x410
[  337.462073][ T7539]  ? __pfx___se_sys_mount+0x10/0x10
[  337.462105][ T7539]  ? rcu_is_watching+0x15/0xb0
[  337.462124][ T7539]  ? __x64_sys_mount+0x20/0xc0
[  337.462154][ T7539]  do_syscall_64+0xfa/0x3b0
[  337.462175][ T7539]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.462195][ T7539]  ? clear_bhb_loop+0x60/0xb0
[  337.462216][ T7539]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.462235][ T7539] RIP: 0033:0x7ff5ebb9038a
[  337.462253][ T7539] 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
[  337.462269][ T7539] RSP: 002b:00007ff5eca26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.462291][ T7539] RAX: ffffffffffffffda RBX: 00007ff5eca26ef0 RCX: 00007ff5ebb9038a
[  337.462307][ T7539] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ff5eca26eb0
[  337.462321][ T7539] RBP: 000020000001f680 R08: 00007ff5eca26ef0 R09: 0000000000000084
[  337.462335][ T7539] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  337.462349][ T7539] R13: 00007ff5eca26eb0 R14: 000000000001f790 R15: 00002000000001c0
[  337.462370][ T7539]  </TASK>
[  337.462390][ T7539] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.803986][ T7539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.547128][ T7553] loop4: detected capacity change from 0 to 32768
[  338.587731][ T7553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.611178][ T7553] CPU: 1 UID: 0 PID: 7553 Comm: syz.4.349 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  338.611210][ T7553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  338.611224][ T7553] Call Trace:
[  338.611232][ T7553]  <TASK>
[  338.611242][ T7553]  dump_stack_lvl+0x189/0x250
[  338.611274][ T7553]  ? __pfx_dump_stack_lvl+0x10/0x10
[  338.611309][ T7553]  ? __pfx__printk+0x10/0x10
[  338.611335][ T7553]  ? kernfs_root+0x1c/0x230
[  338.611361][ T7553]  ? kernfs_path_from_node+0x250/0x290
[  338.611383][ T7553]  ? kernfs_path_from_node+0x2f/0x290
[  338.611407][ T7553]  sysfs_create_dir_ns+0x259/0x280
[  338.611430][ T7553]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  338.611452][ T7553]  ? do_raw_spin_unlock+0x122/0x240
[  338.611479][ T7553]  kobject_add_internal+0x59f/0xb40
[  338.611505][ T7553]  kobject_init_and_add+0x125/0x190
[  338.611530][ T7553]  ? __pfx_kobject_init_and_add+0x10/0x10
[  338.611552][ T7553]  ? __raw_spin_lock_init+0x45/0x100
[  338.611577][ T7553]  ? __init_swait_queue_head+0xa9/0x150
[  338.611603][ T7553]  gfs2_sys_fs_add+0x234/0x450
[  338.611625][ T7553]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  338.611649][ T7553]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  338.611682][ T7553]  gfs2_fill_super+0x13c0/0x20d0
[  338.611716][ T7553]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.611743][ T7553]  ? sb_set_blocksize+0x104/0x180
[  338.611773][ T7553]  ? setup_bdev_super+0x4c1/0x5b0
[  338.611801][ T7553]  get_tree_bdev_flags+0x40b/0x4d0
[  338.611830][ T7553]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.611856][ T7553]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  338.611888][ T7553]  gfs2_get_tree+0x51/0x1e0
[  338.611916][ T7553]  vfs_get_tree+0x8f/0x2b0
[  338.611943][ T7553]  do_new_mount+0x2a2/0xa30
[  338.611975][ T7553]  ? ns_capable+0x8a/0xf0
[  338.611994][ T7553]  ? __pfx_do_new_mount+0x10/0x10
[  338.612022][ T7553]  ? path_mount+0x61c/0xfe0
[  338.612049][ T7553]  ? user_path_at+0x44/0x60
[  338.612076][ T7553]  __se_sys_mount+0x317/0x410
[  338.612109][ T7553]  ? __pfx___se_sys_mount+0x10/0x10
[  338.612142][ T7553]  ? rcu_is_watching+0x15/0xb0
[  338.612161][ T7553]  ? __x64_sys_mount+0x20/0xc0
[  338.612192][ T7553]  do_syscall_64+0xfa/0x3b0
[  338.612212][ T7553]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.612232][ T7553]  ? clear_bhb_loop+0x60/0xb0
[  338.612254][ T7553]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.612274][ T7553] RIP: 0033:0x7fd1cd59038a
[  338.612300][ T7553] 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
[  338.612318][ T7553] RSP: 002b:00007fd1ce43ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.612341][ T7553] RAX: ffffffffffffffda RBX: 00007fd1ce43eef0 RCX: 00007fd1cd59038a
[  338.612357][ T7553] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd1ce43eeb0
[  338.612372][ T7553] RBP: 000020000001f680 R08: 00007fd1ce43eef0 R09: 0000000000000084
[  338.612387][ T7553] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  338.612399][ T7553] R13: 00007fd1ce43eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  338.612421][ T7553]  </TASK>
[  338.612442][ T7553] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.960778][ T7553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.052557][ T7555] loop5: detected capacity change from 0 to 32768
[  339.100979][ T7555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.108870][ T7555] CPU: 1 UID: 0 PID: 7555 Comm: syz.5.350 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  339.108900][ T7555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  339.108914][ T7555] Call Trace:
[  339.108922][ T7555]  <TASK>
[  339.108931][ T7555]  dump_stack_lvl+0x189/0x250
[  339.108962][ T7555]  ? __pfx_dump_stack_lvl+0x10/0x10
[  339.108987][ T7555]  ? __pfx__printk+0x10/0x10
[  339.109014][ T7555]  ? kernfs_root+0x1c/0x230
[  339.109040][ T7555]  ? kernfs_path_from_node+0x250/0x290
[  339.109063][ T7555]  ? kernfs_path_from_node+0x2f/0x290
[  339.109088][ T7555]  sysfs_create_dir_ns+0x259/0x280
[  339.109111][ T7555]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  339.109134][ T7555]  ? do_raw_spin_unlock+0x122/0x240
[  339.109162][ T7555]  kobject_add_internal+0x59f/0xb40
[  339.109191][ T7555]  kobject_init_and_add+0x125/0x190
[  339.109217][ T7555]  ? __pfx_kobject_init_and_add+0x10/0x10
[  339.109250][ T7555]  ? __raw_spin_lock_init+0x45/0x100
[  339.109276][ T7555]  ? __init_swait_queue_head+0xa9/0x150
[  339.109303][ T7555]  gfs2_sys_fs_add+0x234/0x450
[  339.109326][ T7555]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  339.109351][ T7555]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  339.109385][ T7555]  gfs2_fill_super+0x13c0/0x20d0
[  339.109419][ T7555]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.109448][ T7555]  ? sb_set_blocksize+0x104/0x180
[  339.109480][ T7555]  ? setup_bdev_super+0x4c1/0x5b0
[  339.109510][ T7555]  get_tree_bdev_flags+0x40b/0x4d0
[  339.109539][ T7555]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.109566][ T7555]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  339.109600][ T7555]  gfs2_get_tree+0x51/0x1e0
[  339.109629][ T7555]  vfs_get_tree+0x8f/0x2b0
[  339.109657][ T7555]  do_new_mount+0x2a2/0xa30
[  339.109690][ T7555]  ? ns_capable+0x8a/0xf0
[  339.109710][ T7555]  ? __pfx_do_new_mount+0x10/0x10
[  339.109740][ T7555]  ? path_mount+0x61c/0xfe0
[  339.109768][ T7555]  ? user_path_at+0x44/0x60
[  339.109796][ T7555]  __se_sys_mount+0x317/0x410
[  339.109830][ T7555]  ? __pfx___se_sys_mount+0x10/0x10
[  339.109864][ T7555]  ? rcu_is_watching+0x15/0xb0
[  339.109885][ T7555]  ? __x64_sys_mount+0x20/0xc0
[  339.109916][ T7555]  do_syscall_64+0xfa/0x3b0
[  339.109938][ T7555]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.109959][ T7555]  ? clear_bhb_loop+0x60/0xb0
[  339.109982][ T7555]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.110003][ T7555] RIP: 0033:0x7febf859038a
[  339.110021][ T7555] 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
[  339.110040][ T7555] RSP: 002b:00007febf9486e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.110063][ T7555] RAX: ffffffffffffffda RBX: 00007febf9486ef0 RCX: 00007febf859038a
[  339.110079][ T7555] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007febf9486eb0
[  339.110094][ T7555] RBP: 000020000001f680 R08: 00007febf9486ef0 R09: 0000000000000084
[  339.110109][ T7555] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  339.110122][ T7555] R13: 00007febf9486eb0 R14: 000000000001f790 R15: 00002000000001c0
[  339.110146][ T7555]  </TASK>
[  339.110168][ T7555] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.350713][ T7559] loop1: detected capacity change from 0 to 32768
[  339.409610][ T7557] loop0: detected capacity change from 0 to 32768
[  339.487544][ T7559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.510689][ T7559] CPU: 0 UID: 0 PID: 7559 Comm: syz.1.352 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  339.510720][ T7559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  339.510734][ T7559] Call Trace:
[  339.510742][ T7559]  <TASK>
[  339.510751][ T7559]  dump_stack_lvl+0x189/0x250
[  339.510780][ T7559]  ? __pfx_dump_stack_lvl+0x10/0x10
[  339.510803][ T7559]  ? __pfx__printk+0x10/0x10
[  339.510830][ T7559]  ? kernfs_root+0x1c/0x230
[  339.510853][ T7559]  ? kernfs_path_from_node+0x250/0x290
[  339.510874][ T7559]  ? kernfs_path_from_node+0x2f/0x290
[  339.510897][ T7559]  sysfs_create_dir_ns+0x259/0x280
[  339.510920][ T7559]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  339.510943][ T7559]  ? do_raw_spin_unlock+0x122/0x240
[  339.510968][ T7559]  kobject_add_internal+0x59f/0xb40
[  339.510995][ T7559]  kobject_init_and_add+0x125/0x190
[  339.511046][ T7559]  ? __pfx_kobject_init_and_add+0x10/0x10
[  339.511069][ T7559]  ? __raw_spin_lock_init+0x45/0x100
[  339.511095][ T7559]  ? __init_swait_queue_head+0xa9/0x150
[  339.511120][ T7559]  gfs2_sys_fs_add+0x234/0x450
[  339.511142][ T7559]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  339.511165][ T7559]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  339.511206][ T7559]  gfs2_fill_super+0x13c0/0x20d0
[  339.511241][ T7559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.511269][ T7559]  ? sb_set_blocksize+0x104/0x180
[  339.511300][ T7559]  ? setup_bdev_super+0x4c1/0x5b0
[  339.511330][ T7559]  get_tree_bdev_flags+0x40b/0x4d0
[  339.511359][ T7559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.511385][ T7559]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  339.511419][ T7559]  gfs2_get_tree+0x51/0x1e0
[  339.511447][ T7559]  vfs_get_tree+0x8f/0x2b0
[  339.511476][ T7559]  do_new_mount+0x2a2/0xa30
[  339.511509][ T7559]  ? ns_capable+0x8a/0xf0
[  339.511528][ T7559]  ? __pfx_do_new_mount+0x10/0x10
[  339.511558][ T7559]  ? path_mount+0x61c/0xfe0
[  339.511586][ T7559]  ? user_path_at+0x44/0x60
[  339.511613][ T7559]  __se_sys_mount+0x317/0x410
[  339.511647][ T7559]  ? __pfx___se_sys_mount+0x10/0x10
[  339.511681][ T7559]  ? rcu_is_watching+0x15/0xb0
[  339.511701][ T7559]  ? __x64_sys_mount+0x20/0xc0
[  339.511731][ T7559]  do_syscall_64+0xfa/0x3b0
[  339.511751][ T7559]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.511770][ T7559]  ? clear_bhb_loop+0x60/0xb0
[  339.511790][ T7559]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.511809][ T7559] RIP: 0033:0x7f463659038a
[  339.511828][ T7559] 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
[  339.511846][ T7559] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.511867][ T7559] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  339.511883][ T7559] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  339.511899][ T7559] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  339.511913][ T7559] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  339.511927][ T7559] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  339.511949][ T7559]  </TASK>
[  339.511978][ T7559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.532919][ T7561] loop2: detected capacity change from 0 to 32768
[  339.595950][ T7555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.607323][ T7559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.865974][ T7557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.876354][ T7561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.900726][ T7561] CPU: 1 UID: 0 PID: 7561 Comm: syz.2.353 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  339.900758][ T7561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  339.900772][ T7561] Call Trace:
[  339.900780][ T7561]  <TASK>
[  339.900789][ T7561]  dump_stack_lvl+0x189/0x250
[  339.900822][ T7561]  ? __pfx_dump_stack_lvl+0x10/0x10
[  339.900847][ T7561]  ? __pfx__printk+0x10/0x10
[  339.900874][ T7561]  ? kernfs_root+0x1c/0x230
[  339.900899][ T7561]  ? kernfs_path_from_node+0x250/0x290
[  339.900922][ T7561]  ? kernfs_path_from_node+0x2f/0x290
[  339.900946][ T7561]  sysfs_create_dir_ns+0x259/0x280
[  339.900970][ T7561]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  339.900997][ T7561]  ? do_raw_spin_unlock+0x122/0x240
[  339.901026][ T7561]  kobject_add_internal+0x59f/0xb40
[  339.901054][ T7561]  kobject_init_and_add+0x125/0x190
[  339.901079][ T7561]  ? __pfx_kobject_init_and_add+0x10/0x10
[  339.901103][ T7561]  ? __raw_spin_lock_init+0x45/0x100
[  339.901128][ T7561]  ? __init_swait_queue_head+0xa9/0x150
[  339.901154][ T7561]  gfs2_sys_fs_add+0x234/0x450
[  339.901175][ T7561]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  339.901199][ T7561]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  339.901240][ T7561]  gfs2_fill_super+0x13c0/0x20d0
[  339.901274][ T7561]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.901302][ T7561]  ? sb_set_blocksize+0x104/0x180
[  339.901332][ T7561]  ? setup_bdev_super+0x4c1/0x5b0
[  339.901362][ T7561]  get_tree_bdev_flags+0x40b/0x4d0
[  339.901391][ T7561]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.901416][ T7561]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  339.901450][ T7561]  gfs2_get_tree+0x51/0x1e0
[  339.901478][ T7561]  vfs_get_tree+0x8f/0x2b0
[  339.901506][ T7561]  do_new_mount+0x2a2/0xa30
[  339.901537][ T7561]  ? ns_capable+0x8a/0xf0
[  339.901557][ T7561]  ? __pfx_do_new_mount+0x10/0x10
[  339.901586][ T7561]  ? path_mount+0x61c/0xfe0
[  339.901615][ T7561]  ? user_path_at+0x44/0x60
[  339.901642][ T7561]  __se_sys_mount+0x317/0x410
[  339.901674][ T7561]  ? __pfx___se_sys_mount+0x10/0x10
[  339.901706][ T7561]  ? rcu_is_watching+0x15/0xb0
[  339.901726][ T7561]  ? __x64_sys_mount+0x20/0xc0
[  339.901757][ T7561]  do_syscall_64+0xfa/0x3b0
[  339.901780][ T7561]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.901801][ T7561]  ? clear_bhb_loop+0x60/0xb0
[  339.901824][ T7561]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.901843][ T7561] RIP: 0033:0x7ff5ebb9038a
[  339.901862][ T7561] 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
[  339.901880][ T7561] RSP: 002b:00007ff5eca26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.901903][ T7561] RAX: ffffffffffffffda RBX: 00007ff5eca26ef0 RCX: 00007ff5ebb9038a
[  339.901919][ T7561] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ff5eca26eb0
[  339.901934][ T7561] RBP: 000020000001f680 R08: 00007ff5eca26ef0 R09: 0000000000000084
[  339.901948][ T7561] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  339.901961][ T7561] R13: 00007ff5eca26eb0 R14: 000000000001f790 R15: 00002000000001c0
[  339.901984][ T7561]  </TASK>
[  339.902036][ T7561] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  340.225551][ T7557] CPU: 1 UID: 0 PID: 7557 Comm: syz.0.351 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  340.225582][ T7557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  340.225597][ T7557] Call Trace:
[  340.225605][ T7557]  <TASK>
[  340.225614][ T7557]  dump_stack_lvl+0x189/0x250
[  340.225647][ T7557]  ? __pfx_dump_stack_lvl+0x10/0x10
[  340.225672][ T7557]  ? __pfx__printk+0x10/0x10
[  340.225699][ T7557]  ? kernfs_root+0x1c/0x230
[  340.225725][ T7557]  ? kernfs_path_from_node+0x250/0x290
[  340.225747][ T7557]  ? kernfs_path_from_node+0x2f/0x290
[  340.225772][ T7557]  sysfs_create_dir_ns+0x259/0x280
[  340.225795][ T7557]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  340.225818][ T7557]  ? do_raw_spin_unlock+0x122/0x240
[  340.225845][ T7557]  kobject_add_internal+0x59f/0xb40
[  340.225874][ T7557]  kobject_init_and_add+0x125/0x190
[  340.225899][ T7557]  ? __pfx_kobject_init_and_add+0x10/0x10
[  340.225923][ T7557]  ? __raw_spin_lock_init+0x45/0x100
[  340.225948][ T7557]  ? __init_swait_queue_head+0xa9/0x150
[  340.225974][ T7557]  gfs2_sys_fs_add+0x234/0x450
[  340.225996][ T7557]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  340.226021][ T7557]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  340.226056][ T7557]  gfs2_fill_super+0x13c0/0x20d0
[  340.226090][ T7557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  340.226119][ T7557]  ? sb_set_blocksize+0x104/0x180
[  340.226159][ T7557]  ? setup_bdev_super+0x4c1/0x5b0
[  340.226189][ T7557]  get_tree_bdev_flags+0x40b/0x4d0
[  340.226216][ T7557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  340.226243][ T7557]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  340.226276][ T7557]  gfs2_get_tree+0x51/0x1e0
[  340.226303][ T7557]  vfs_get_tree+0x8f/0x2b0
[  340.226332][ T7557]  do_new_mount+0x2a2/0xa30
[  340.226364][ T7557]  ? ns_capable+0x8a/0xf0
[  340.226384][ T7557]  ? __pfx_do_new_mount+0x10/0x10
[  340.226413][ T7557]  ? path_mount+0x61c/0xfe0
[  340.226441][ T7557]  ? user_path_at+0x44/0x60
[  340.226469][ T7557]  __se_sys_mount+0x317/0x410
[  340.226503][ T7557]  ? __pfx___se_sys_mount+0x10/0x10
[  340.226537][ T7557]  ? rcu_is_watching+0x15/0xb0
[  340.226557][ T7557]  ? __x64_sys_mount+0x20/0xc0
[  340.226588][ T7557]  do_syscall_64+0xfa/0x3b0
[  340.226610][ T7557]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.226630][ T7557]  ? clear_bhb_loop+0x60/0xb0
[  340.226654][ T7557]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.226674][ T7557] RIP: 0033:0x7fdbbdf9038a
[  340.226692][ T7557] 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
[  340.226710][ T7557] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  340.226733][ T7557] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
2025/08/16 02:36:27 executed programs: 348
[  340.226748][ T7557] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  340.226763][ T7557] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  340.226776][ T7557] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  340.226790][ T7557] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  340.226812][ T7557]  </TASK>
[  340.226833][ T7557] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  340.248757][ T7561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  340.558694][ T7557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  340.893353][ T7569] loop4: detected capacity change from 0 to 32768
[  340.953734][ T7569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.000758][ T7569] CPU: 1 UID: 0 PID: 7569 Comm: syz.4.354 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  341.000791][ T7569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  341.000806][ T7569] Call Trace:
[  341.000814][ T7569]  <TASK>
[  341.000824][ T7569]  dump_stack_lvl+0x189/0x250
[  341.000856][ T7569]  ? __pfx_dump_stack_lvl+0x10/0x10
[  341.000881][ T7569]  ? __pfx__printk+0x10/0x10
[  341.000908][ T7569]  ? kernfs_root+0x1c/0x230
[  341.000933][ T7569]  ? kernfs_path_from_node+0x250/0x290
[  341.000956][ T7569]  ? kernfs_path_from_node+0x2f/0x290
[  341.000980][ T7569]  sysfs_create_dir_ns+0x259/0x280
[  341.001004][ T7569]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  341.001027][ T7569]  ? do_raw_spin_unlock+0x122/0x240
[  341.001055][ T7569]  kobject_add_internal+0x59f/0xb40
[  341.001082][ T7569]  kobject_init_and_add+0x125/0x190
[  341.001107][ T7569]  ? __pfx_kobject_init_and_add+0x10/0x10
[  341.001130][ T7569]  ? __raw_spin_lock_init+0x45/0x100
[  341.001153][ T7569]  ? __init_swait_queue_head+0xa9/0x150
[  341.001174][ T7569]  gfs2_sys_fs_add+0x234/0x450
[  341.001193][ T7569]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  341.001212][ T7569]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  341.001239][ T7569]  gfs2_fill_super+0x13c0/0x20d0
[  341.001267][ T7569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.001303][ T7569]  ? sb_set_blocksize+0x104/0x180
[  341.001329][ T7569]  ? setup_bdev_super+0x4c1/0x5b0
[  341.001353][ T7569]  get_tree_bdev_flags+0x40b/0x4d0
[  341.001377][ T7569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.001399][ T7569]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  341.001426][ T7569]  gfs2_get_tree+0x51/0x1e0
[  341.001448][ T7569]  vfs_get_tree+0x8f/0x2b0
[  341.001472][ T7569]  do_new_mount+0x2a2/0xa30
[  341.001498][ T7569]  ? ns_capable+0x8a/0xf0
[  341.001514][ T7569]  ? __pfx_do_new_mount+0x10/0x10
[  341.001538][ T7569]  ? path_mount+0x61c/0xfe0
[  341.001561][ T7569]  ? user_path_at+0x44/0x60
[  341.001583][ T7569]  __se_sys_mount+0x317/0x410
[  341.001611][ T7569]  ? __pfx___se_sys_mount+0x10/0x10
[  341.001638][ T7569]  ? rcu_is_watching+0x15/0xb0
[  341.001654][ T7569]  ? __x64_sys_mount+0x20/0xc0
[  341.001679][ T7569]  do_syscall_64+0xfa/0x3b0
[  341.001697][ T7569]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.001714][ T7569]  ? clear_bhb_loop+0x60/0xb0
[  341.001732][ T7569]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.001748][ T7569] RIP: 0033:0x7fd1cd59038a
[  341.001764][ T7569] 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
[  341.001778][ T7569] RSP: 002b:00007fd1ce43ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.001797][ T7569] RAX: ffffffffffffffda RBX: 00007fd1ce43eef0 RCX: 00007fd1cd59038a
[  341.001810][ T7569] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd1ce43eeb0
[  341.001823][ T7569] RBP: 000020000001f680 R08: 00007fd1ce43eef0 R09: 0000000000000084
[  341.001834][ T7569] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  341.001846][ T7569] R13: 00007fd1ce43eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  341.001864][ T7569]  </TASK>
[  341.001887][ T7569] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.360692][ T7569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.635133][ T7575] loop1: detected capacity change from 0 to 32768
[  341.676547][ T7575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.699687][ T7575] CPU: 1 UID: 0 PID: 7575 Comm: syz.1.355 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  341.699719][ T7575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  341.699734][ T7575] Call Trace:
[  341.699742][ T7575]  <TASK>
[  341.699751][ T7575]  dump_stack_lvl+0x189/0x250
[  341.699784][ T7575]  ? __pfx_dump_stack_lvl+0x10/0x10
[  341.699809][ T7575]  ? __pfx__printk+0x10/0x10
[  341.699835][ T7575]  ? kernfs_root+0x1c/0x230
[  341.699860][ T7575]  ? kernfs_path_from_node+0x250/0x290
[  341.699883][ T7575]  ? kernfs_path_from_node+0x2f/0x290
[  341.699907][ T7575]  sysfs_create_dir_ns+0x259/0x280
[  341.699930][ T7575]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  341.699952][ T7575]  ? do_raw_spin_unlock+0x122/0x240
[  341.699987][ T7575]  kobject_add_internal+0x59f/0xb40
[  341.700014][ T7575]  kobject_init_and_add+0x125/0x190
[  341.700039][ T7575]  ? __pfx_kobject_init_and_add+0x10/0x10
[  341.700062][ T7575]  ? __raw_spin_lock_init+0x45/0x100
[  341.700088][ T7575]  ? __init_swait_queue_head+0xa9/0x150
[  341.700114][ T7575]  gfs2_sys_fs_add+0x234/0x450
[  341.700136][ T7575]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  341.700160][ T7575]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  341.700194][ T7575]  gfs2_fill_super+0x13c0/0x20d0
[  341.700226][ T7575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.700254][ T7575]  ? sb_set_blocksize+0x104/0x180
[  341.700283][ T7575]  ? setup_bdev_super+0x4c1/0x5b0
[  341.700312][ T7575]  get_tree_bdev_flags+0x40b/0x4d0
[  341.700341][ T7575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.700367][ T7575]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  341.700400][ T7575]  gfs2_get_tree+0x51/0x1e0
[  341.700429][ T7575]  vfs_get_tree+0x8f/0x2b0
[  341.700458][ T7575]  do_new_mount+0x2a2/0xa30
[  341.700490][ T7575]  ? ns_capable+0x8a/0xf0
[  341.700509][ T7575]  ? __pfx_do_new_mount+0x10/0x10
[  341.700538][ T7575]  ? path_mount+0x61c/0xfe0
[  341.700566][ T7575]  ? user_path_at+0x44/0x60
[  341.700593][ T7575]  __se_sys_mount+0x317/0x410
[  341.700631][ T7575]  ? __pfx___se_sys_mount+0x10/0x10
[  341.700662][ T7575]  ? rcu_is_watching+0x15/0xb0
[  341.700682][ T7575]  ? __x64_sys_mount+0x20/0xc0
[  341.700712][ T7575]  do_syscall_64+0xfa/0x3b0
[  341.700734][ T7575]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.700754][ T7575]  ? clear_bhb_loop+0x60/0xb0
[  341.700776][ T7575]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.700796][ T7575] RIP: 0033:0x7f463659038a
[  341.700814][ T7575] 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
[  341.700832][ T7575] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.700855][ T7575] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  341.700870][ T7575] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  341.700885][ T7575] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  341.700899][ T7575] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  341.700911][ T7575] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  341.700933][ T7575]  </TASK>
[  342.011232][ T7575] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.027345][ T7575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  342.074414][ T7579] loop0: detected capacity change from 0 to 32768
[  342.161644][ T7579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  342.189363][ T7579] CPU: 0 UID: 0 PID: 7579 Comm: syz.0.357 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  342.189395][ T7579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  342.189409][ T7579] Call Trace:
[  342.189418][ T7579]  <TASK>
[  342.189428][ T7579]  dump_stack_lvl+0x189/0x250
[  342.189459][ T7579]  ? __pfx_dump_stack_lvl+0x10/0x10
[  342.189484][ T7579]  ? __pfx__printk+0x10/0x10
[  342.189511][ T7579]  ? kernfs_root+0x1c/0x230
[  342.189536][ T7579]  ? kernfs_path_from_node+0x250/0x290
[  342.189558][ T7579]  ? kernfs_path_from_node+0x2f/0x290
[  342.189582][ T7579]  sysfs_create_dir_ns+0x259/0x280
[  342.189606][ T7579]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  342.189628][ T7579]  ? do_raw_spin_unlock+0x122/0x240
[  342.189664][ T7579]  kobject_add_internal+0x59f/0xb40
[  342.189692][ T7579]  kobject_init_and_add+0x125/0x190
[  342.189718][ T7579]  ? __pfx_kobject_init_and_add+0x10/0x10
[  342.189741][ T7579]  ? __raw_spin_lock_init+0x45/0x100
[  342.189766][ T7579]  ? __init_swait_queue_head+0xa9/0x150
[  342.189792][ T7579]  gfs2_sys_fs_add+0x234/0x450
[  342.189813][ T7579]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  342.189837][ T7579]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  342.189870][ T7579]  gfs2_fill_super+0x13c0/0x20d0
[  342.189914][ T7579]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.189941][ T7579]  ? sb_set_blocksize+0x104/0x180
[  342.189969][ T7579]  ? setup_bdev_super+0x4c1/0x5b0
[  342.189998][ T7579]  get_tree_bdev_flags+0x40b/0x4d0
[  342.190026][ T7579]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.190051][ T7579]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  342.190082][ T7579]  gfs2_get_tree+0x51/0x1e0
[  342.190109][ T7579]  vfs_get_tree+0x8f/0x2b0
[  342.190137][ T7579]  do_new_mount+0x2a2/0xa30
[  342.190170][ T7579]  ? ns_capable+0x8a/0xf0
[  342.190189][ T7579]  ? __pfx_do_new_mount+0x10/0x10
[  342.190218][ T7579]  ? path_mount+0x61c/0xfe0
[  342.190246][ T7579]  ? user_path_at+0x44/0x60
[  342.190274][ T7579]  __se_sys_mount+0x317/0x410
[  342.190318][ T7579]  ? __pfx___se_sys_mount+0x10/0x10
[  342.190351][ T7579]  ? rcu_is_watching+0x15/0xb0
[  342.190371][ T7579]  ? __x64_sys_mount+0x20/0xc0
[  342.190402][ T7579]  do_syscall_64+0xfa/0x3b0
[  342.190423][ T7579]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.190451][ T7579]  ? clear_bhb_loop+0x60/0xb0
[  342.190473][ T7579]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.190493][ T7579] RIP: 0033:0x7fdbbdf9038a
[  342.190512][ T7579] 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
[  342.190530][ T7579] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  342.190553][ T7579] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
[  342.190569][ T7579] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  342.190584][ T7579] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  342.190599][ T7579] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  342.190613][ T7579] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  342.190640][ T7579]  </TASK>
[  342.195871][ T7577] loop5: detected capacity change from 0 to 32768
[  342.350898][ T7579] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.350934][ T7579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  342.603277][ T7577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  342.632875][ T7577] CPU: 1 UID: 0 PID: 7577 Comm: syz.5.356 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  342.632906][ T7577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  342.632919][ T7577] Call Trace:
[  342.632928][ T7577]  <TASK>
[  342.632936][ T7577]  dump_stack_lvl+0x189/0x250
[  342.632967][ T7577]  ? __pfx_dump_stack_lvl+0x10/0x10
[  342.632998][ T7577]  ? __pfx__printk+0x10/0x10
[  342.633024][ T7577]  ? kernfs_root+0x1c/0x230
[  342.633049][ T7577]  ? kernfs_path_from_node+0x250/0x290
[  342.633071][ T7577]  ? kernfs_path_from_node+0x2f/0x290
[  342.633095][ T7577]  sysfs_create_dir_ns+0x259/0x280
[  342.633125][ T7577]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  342.633146][ T7577]  ? do_raw_spin_unlock+0x122/0x240
[  342.633174][ T7577]  kobject_add_internal+0x59f/0xb40
[  342.633202][ T7577]  kobject_init_and_add+0x125/0x190
[  342.633226][ T7577]  ? __pfx_kobject_init_and_add+0x10/0x10
[  342.633248][ T7577]  ? __raw_spin_lock_init+0x45/0x100
[  342.633273][ T7577]  ? __init_swait_queue_head+0xa9/0x150
[  342.633299][ T7577]  gfs2_sys_fs_add+0x234/0x450
[  342.633319][ T7577]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  342.633341][ T7577]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  342.633375][ T7577]  gfs2_fill_super+0x13c0/0x20d0
[  342.633409][ T7577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.633438][ T7577]  ? sb_set_blocksize+0x104/0x180
[  342.633467][ T7577]  ? setup_bdev_super+0x4c1/0x5b0
[  342.633495][ T7577]  get_tree_bdev_flags+0x40b/0x4d0
[  342.633522][ T7577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.633546][ T7577]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  342.633577][ T7577]  gfs2_get_tree+0x51/0x1e0
[  342.633604][ T7577]  vfs_get_tree+0x8f/0x2b0
[  342.633632][ T7577]  do_new_mount+0x2a2/0xa30
[  342.633664][ T7577]  ? ns_capable+0x8a/0xf0
[  342.633683][ T7577]  ? __pfx_do_new_mount+0x10/0x10
[  342.633712][ T7577]  ? path_mount+0x61c/0xfe0
[  342.633740][ T7577]  ? user_path_at+0x44/0x60
[  342.633767][ T7577]  __se_sys_mount+0x317/0x410
[  342.633800][ T7577]  ? __pfx___se_sys_mount+0x10/0x10
[  342.633833][ T7577]  ? rcu_is_watching+0x15/0xb0
[  342.633852][ T7577]  ? __x64_sys_mount+0x20/0xc0
[  342.633884][ T7577]  do_syscall_64+0xfa/0x3b0
[  342.633906][ T7577]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.633933][ T7577]  ? clear_bhb_loop+0x60/0xb0
[  342.633955][ T7577]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.633976][ T7577] RIP: 0033:0x7febf859038a
[  342.633994][ T7577] 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
[  342.634012][ T7577] RSP: 002b:00007febf9486e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  342.634035][ T7577] RAX: ffffffffffffffda RBX: 00007febf9486ef0 RCX: 00007febf859038a
[  342.634051][ T7577] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007febf9486eb0
[  342.634066][ T7577] RBP: 000020000001f680 R08: 00007febf9486ef0 R09: 0000000000000084
[  342.634080][ T7577] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  342.634093][ T7577] R13: 00007febf9486eb0 R14: 000000000001f790 R15: 00002000000001c0
[  342.634122][ T7577]  </TASK>
[  342.634144][ T7577] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.986026][ T7577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.036807][ T7583] loop2: detected capacity change from 0 to 32768
[  343.086929][ T7583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  343.126510][ T7583] CPU: 0 UID: 0 PID: 7583 Comm: syz.2.358 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  343.126543][ T7583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  343.126558][ T7583] Call Trace:
[  343.126566][ T7583]  <TASK>
[  343.126576][ T7583]  dump_stack_lvl+0x189/0x250
[  343.126609][ T7583]  ? __pfx_dump_stack_lvl+0x10/0x10
[  343.126634][ T7583]  ? __pfx__printk+0x10/0x10
[  343.126661][ T7583]  ? kernfs_root+0x1c/0x230
[  343.126687][ T7583]  ? kernfs_path_from_node+0x250/0x290
[  343.126709][ T7583]  ? kernfs_path_from_node+0x2f/0x290
[  343.126734][ T7583]  sysfs_create_dir_ns+0x259/0x280
[  343.126757][ T7583]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  343.126780][ T7583]  ? do_raw_spin_unlock+0x122/0x240
[  343.126808][ T7583]  kobject_add_internal+0x59f/0xb40
[  343.126837][ T7583]  kobject_init_and_add+0x125/0x190
[  343.126871][ T7583]  ? __pfx_kobject_init_and_add+0x10/0x10
[  343.126896][ T7583]  ? __raw_spin_lock_init+0x45/0x100
[  343.126921][ T7583]  ? __init_swait_queue_head+0xa9/0x150
[  343.126948][ T7583]  gfs2_sys_fs_add+0x234/0x450
[  343.126971][ T7583]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  343.126995][ T7583]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  343.127030][ T7583]  gfs2_fill_super+0x13c0/0x20d0
[  343.127064][ T7583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.127093][ T7583]  ? sb_set_blocksize+0x104/0x180
[  343.127123][ T7583]  ? setup_bdev_super+0x4c1/0x5b0
[  343.127153][ T7583]  get_tree_bdev_flags+0x40b/0x4d0
[  343.127182][ T7583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.127209][ T7583]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  343.127243][ T7583]  gfs2_get_tree+0x51/0x1e0
[  343.127270][ T7583]  vfs_get_tree+0x8f/0x2b0
[  343.127299][ T7583]  do_new_mount+0x2a2/0xa30
[  343.127331][ T7583]  ? ns_capable+0x8a/0xf0
[  343.127351][ T7583]  ? __pfx_do_new_mount+0x10/0x10
[  343.127380][ T7583]  ? path_mount+0x61c/0xfe0
[  343.127409][ T7583]  ? user_path_at+0x44/0x60
[  343.127437][ T7583]  __se_sys_mount+0x317/0x410
[  343.127470][ T7583]  ? __pfx___se_sys_mount+0x10/0x10
[  343.127504][ T7583]  ? rcu_is_watching+0x15/0xb0
[  343.127524][ T7583]  ? __x64_sys_mount+0x20/0xc0
[  343.127555][ T7583]  do_syscall_64+0xfa/0x3b0
[  343.127578][ T7583]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.127599][ T7583]  ? clear_bhb_loop+0x60/0xb0
[  343.127622][ T7583]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.127642][ T7583] RIP: 0033:0x7ff5ebb9038a
[  343.127660][ T7583] 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
[  343.127678][ T7583] RSP: 002b:00007ff5eca26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  343.127702][ T7583] RAX: ffffffffffffffda RBX: 00007ff5eca26ef0 RCX: 00007ff5ebb9038a
[  343.127718][ T7583] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ff5eca26eb0
[  343.127732][ T7583] RBP: 000020000001f680 R08: 00007ff5eca26ef0 R09: 0000000000000084
[  343.127746][ T7583] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  343.127759][ T7583] R13: 00007ff5eca26eb0 R14: 000000000001f790 R15: 00002000000001c0
[  343.127782][ T7583]  </TASK>
[  343.127803][ T7583] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  343.456273][ T7583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.867542][ T7591] loop1: detected capacity change from 0 to 32768
[  343.922135][ T7591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  343.936738][ T7589] loop4: detected capacity change from 0 to 32768
[  343.943434][ T7591] CPU: 0 UID: 0 PID: 7591 Comm: syz.1.360 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  343.943466][ T7591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  343.943480][ T7591] Call Trace:
[  343.943488][ T7591]  <TASK>
[  343.943497][ T7591]  dump_stack_lvl+0x189/0x250
[  343.943528][ T7591]  ? __pfx_dump_stack_lvl+0x10/0x10
[  343.943552][ T7591]  ? __pfx__printk+0x10/0x10
[  343.943578][ T7591]  ? kernfs_root+0x1c/0x230
[  343.943603][ T7591]  ? kernfs_path_from_node+0x250/0x290
[  343.943626][ T7591]  ? kernfs_path_from_node+0x2f/0x290
[  343.943649][ T7591]  sysfs_create_dir_ns+0x259/0x280
[  343.943673][ T7591]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  343.943696][ T7591]  ? do_raw_spin_unlock+0x122/0x240
[  343.943725][ T7591]  kobject_add_internal+0x59f/0xb40
[  343.943752][ T7591]  kobject_init_and_add+0x125/0x190
[  343.943776][ T7591]  ? __pfx_kobject_init_and_add+0x10/0x10
[  343.943798][ T7591]  ? __raw_spin_lock_init+0x45/0x100
[  343.943823][ T7591]  ? __init_swait_queue_head+0xa9/0x150
[  343.943849][ T7591]  gfs2_sys_fs_add+0x234/0x450
[  343.943871][ T7591]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  343.943894][ T7591]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  343.943927][ T7591]  gfs2_fill_super+0x13c0/0x20d0
[  343.943961][ T7591]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.943989][ T7591]  ? sb_set_blocksize+0x104/0x180
[  343.944019][ T7591]  ? setup_bdev_super+0x4c1/0x5b0
[  343.944062][ T7591]  get_tree_bdev_flags+0x40b/0x4d0
[  343.944090][ T7591]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.944115][ T7591]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  343.944148][ T7591]  gfs2_get_tree+0x51/0x1e0
[  343.944175][ T7591]  vfs_get_tree+0x8f/0x2b0
[  343.944204][ T7591]  do_new_mount+0x2a2/0xa30
[  343.944236][ T7591]  ? ns_capable+0x8a/0xf0
[  343.944255][ T7591]  ? __pfx_do_new_mount+0x10/0x10
[  343.944283][ T7591]  ? path_mount+0x61c/0xfe0
[  343.944311][ T7591]  ? user_path_at+0x44/0x60
[  343.944337][ T7591]  __se_sys_mount+0x317/0x410
[  343.944371][ T7591]  ? __pfx___se_sys_mount+0x10/0x10
[  343.944403][ T7591]  ? rcu_is_watching+0x15/0xb0
[  343.944422][ T7591]  ? __x64_sys_mount+0x20/0xc0
[  343.944452][ T7591]  do_syscall_64+0xfa/0x3b0
[  343.944474][ T7591]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.944494][ T7591]  ? clear_bhb_loop+0x60/0xb0
[  343.944517][ T7591]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.944536][ T7591] RIP: 0033:0x7f463659038a
[  343.944554][ T7591] 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
[  343.944572][ T7591] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  343.944594][ T7591] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  343.944610][ T7591] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  343.944625][ T7591] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  343.944639][ T7591] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  343.944653][ T7591] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  343.944674][ T7591]  </TASK>
[  343.944695][ T7591] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  344.194703][ T7595] loop0: detected capacity change from 0 to 32768
[  344.202507][ T7591] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  344.283889][ T7589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  344.317259][ T7595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  344.332044][ T7595] CPU: 1 UID: 0 PID: 7595 Comm: syz.0.361 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  344.332076][ T7595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  344.332091][ T7595] Call Trace:
[  344.332100][ T7595]  <TASK>
[  344.332109][ T7595]  dump_stack_lvl+0x189/0x250
[  344.332141][ T7595]  ? __pfx_dump_stack_lvl+0x10/0x10
[  344.332166][ T7595]  ? __pfx__printk+0x10/0x10
[  344.332194][ T7595]  ? kernfs_root+0x1c/0x230
[  344.332220][ T7595]  ? kernfs_path_from_node+0x250/0x290
[  344.332242][ T7595]  ? kernfs_path_from_node+0x2f/0x290
[  344.332266][ T7595]  sysfs_create_dir_ns+0x259/0x280
[  344.332290][ T7595]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  344.332312][ T7595]  ? do_raw_spin_unlock+0x122/0x240
[  344.332340][ T7595]  kobject_add_internal+0x59f/0xb40
[  344.332368][ T7595]  kobject_init_and_add+0x125/0x190
[  344.332393][ T7595]  ? __pfx_kobject_init_and_add+0x10/0x10
[  344.332417][ T7595]  ? __raw_spin_lock_init+0x45/0x100
[  344.332443][ T7595]  ? __init_swait_queue_head+0xa9/0x150
[  344.332470][ T7595]  gfs2_sys_fs_add+0x234/0x450
[  344.332493][ T7595]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  344.332517][ T7595]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  344.332550][ T7595]  gfs2_fill_super+0x13c0/0x20d0
[  344.332584][ T7595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  344.332613][ T7595]  ? sb_set_blocksize+0x104/0x180
[  344.332644][ T7595]  ? setup_bdev_super+0x4c1/0x5b0
[  344.332674][ T7595]  get_tree_bdev_flags+0x40b/0x4d0
[  344.332703][ T7595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  344.332729][ T7595]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  344.332764][ T7595]  gfs2_get_tree+0x51/0x1e0
[  344.332791][ T7595]  vfs_get_tree+0x8f/0x2b0
[  344.332820][ T7595]  do_new_mount+0x2a2/0xa30
[  344.332852][ T7595]  ? ns_capable+0x8a/0xf0
[  344.332872][ T7595]  ? __pfx_do_new_mount+0x10/0x10
[  344.332901][ T7595]  ? path_mount+0x61c/0xfe0
[  344.332929][ T7595]  ? user_path_at+0x44/0x60
[  344.332956][ T7595]  __se_sys_mount+0x317/0x410
[  344.332999][ T7595]  ? __pfx___se_sys_mount+0x10/0x10
[  344.333032][ T7595]  ? rcu_is_watching+0x15/0xb0
[  344.333050][ T7595]  ? __x64_sys_mount+0x20/0xc0
[  344.333080][ T7595]  do_syscall_64+0xfa/0x3b0
[  344.333102][ T7595]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  344.333123][ T7595]  ? clear_bhb_loop+0x60/0xb0
[  344.333146][ T7595]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  344.333167][ T7595] RIP: 0033:0x7fdbbdf9038a
[  344.333185][ T7595] 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
[  344.333203][ T7595] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  344.333226][ T7595] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
[  344.333242][ T7595] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  344.333257][ T7595] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  344.333271][ T7595] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  344.333284][ T7595] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  344.333307][ T7595]  </TASK>
[  344.333326][ T7595] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  344.356327][ T7589] CPU: 0 UID: 0 PID: 7589 Comm: syz.4.359 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  344.356363][ T7589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  344.356379][ T7589] Call Trace:
[  344.356389][ T7589]  <TASK>
[  344.356398][ T7589]  dump_stack_lvl+0x189/0x250
[  344.356434][ T7589]  ? __pfx_dump_stack_lvl+0x10/0x10
[  344.356462][ T7589]  ? __pfx__printk+0x10/0x10
[  344.356494][ T7589]  ? kernfs_root+0x1c/0x230
[  344.356522][ T7589]  ? kernfs_path_from_node+0x250/0x290
[  344.356546][ T7589]  ? kernfs_path_from_node+0x2f/0x290
[  344.356574][ T7589]  sysfs_create_dir_ns+0x259/0x280
[  344.356600][ T7589]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  344.356626][ T7589]  ? do_raw_spin_unlock+0x122/0x240
[  344.356659][ T7589]  kobject_add_internal+0x59f/0xb40
[  344.356690][ T7589]  kobject_init_and_add+0x125/0x190
[  344.356727][ T7589]  ? __pfx_kobject_init_and_add+0x10/0x10
[  344.356753][ T7589]  ? __raw_spin_lock_init+0x45/0x100
[  344.356782][ T7589]  ? __init_swait_queue_head+0xa9/0x150
[  344.356814][ T7589]  gfs2_sys_fs_add+0x234/0x450
[  344.356838][ T7589]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  344.356864][ T7589]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  344.356904][ T7589]  gfs2_fill_super+0x13c0/0x20d0
[  344.356943][ T7589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  344.356975][ T7589]  ? sb_set_blocksize+0x104/0x180
[  344.357007][ T7589]  ? setup_bdev_super+0x4c1/0x5b0
[  344.357042][ T7589]  get_tree_bdev_flags+0x40b/0x4d0
[  344.357074][ T7589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  344.357105][ T7589]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  344.357144][ T7589]  gfs2_get_tree+0x51/0x1e0
[  344.357176][ T7589]  vfs_get_tree+0x8f/0x2b0
[  344.357207][ T7589]  do_new_mount+0x2a2/0xa30
[  344.357244][ T7589]  ? ns_capable+0x8a/0xf0
[  344.357265][ T7589]  ? __pfx_do_new_mount+0x10/0x10
[  344.357297][ T7589]  ? path_mount+0x61c/0xfe0
[  344.357329][ T7589]  ? user_path_at+0x44/0x60
[  344.357359][ T7589]  __se_sys_mount+0x317/0x410
[  344.357396][ T7589]  ? __pfx___se_sys_mount+0x10/0x10
[  344.357434][ T7589]  ? rcu_is_watching+0x15/0xb0
[  344.357456][ T7589]  ? __x64_sys_mount+0x20/0xc0
[  344.357492][ T7589]  do_syscall_64+0xfa/0x3b0
[  344.357515][ T7589]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  344.357538][ T7589]  ? clear_bhb_loop+0x60/0xb0
[  344.357564][ T7589]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  344.357586][ T7589] RIP: 0033:0x7fd1cd59038a
[  344.357608][ T7589] 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
[  344.357627][ T7589] RSP: 002b:00007fd1ce43ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  344.357653][ T7589] RAX: ffffffffffffffda RBX: 00007fd1ce43eef0 RCX: 00007fd1cd59038a
[  344.357672][ T7589] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd1ce43eeb0
[  344.357689][ T7589] RBP: 000020000001f680 R08: 00007fd1ce43eef0 R09: 0000000000000084
[  344.357705][ T7589] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  344.357730][ T7589] R13: 00007fd1ce43eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  344.357756][ T7589]  </TASK>
[  344.357777][ T7589] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  344.360207][ T7595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  344.395597][ T7589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  345.206001][ T7599] loop5: detected capacity change from 0 to 32768
[  345.276803][ T7599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.286427][ T7599] CPU: 0 UID: 0 PID: 7599 Comm: syz.5.362 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  345.286459][ T7599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  345.286475][ T7599] Call Trace:
[  345.286483][ T7599]  <TASK>
[  345.286493][ T7599]  dump_stack_lvl+0x189/0x250
[  345.286525][ T7599]  ? __pfx_dump_stack_lvl+0x10/0x10
[  345.286550][ T7599]  ? __pfx__printk+0x10/0x10
[  345.286577][ T7599]  ? kernfs_root+0x1c/0x230
[  345.286602][ T7599]  ? kernfs_path_from_node+0x250/0x290
[  345.286635][ T7599]  ? kernfs_path_from_node+0x2f/0x290
[  345.286658][ T7599]  sysfs_create_dir_ns+0x259/0x280
[  345.286683][ T7599]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  345.286704][ T7599]  ? do_raw_spin_unlock+0x122/0x240
[  345.286731][ T7599]  kobject_add_internal+0x59f/0xb40
[  345.286759][ T7599]  kobject_init_and_add+0x125/0x190
[  345.286784][ T7599]  ? __pfx_kobject_init_and_add+0x10/0x10
[  345.286807][ T7599]  ? __raw_spin_lock_init+0x45/0x100
[  345.286832][ T7599]  ? __init_swait_queue_head+0xa9/0x150
[  345.286857][ T7599]  gfs2_sys_fs_add+0x234/0x450
[  345.286879][ T7599]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  345.286903][ T7599]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  345.286937][ T7599]  gfs2_fill_super+0x13c0/0x20d0
[  345.286972][ T7599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.286999][ T7599]  ? sb_set_blocksize+0x104/0x180
[  345.287028][ T7599]  ? setup_bdev_super+0x4c1/0x5b0
[  345.287057][ T7599]  get_tree_bdev_flags+0x40b/0x4d0
[  345.287086][ T7599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.287111][ T7599]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  345.287144][ T7599]  gfs2_get_tree+0x51/0x1e0
[  345.287171][ T7599]  vfs_get_tree+0x8f/0x2b0
[  345.287199][ T7599]  do_new_mount+0x2a2/0xa30
[  345.287231][ T7599]  ? ns_capable+0x8a/0xf0
[  345.287249][ T7599]  ? __pfx_do_new_mount+0x10/0x10
[  345.287277][ T7599]  ? path_mount+0x61c/0xfe0
[  345.287304][ T7599]  ? user_path_at+0x44/0x60
[  345.287332][ T7599]  __se_sys_mount+0x317/0x410
[  345.287365][ T7599]  ? __pfx___se_sys_mount+0x10/0x10
[  345.287397][ T7599]  ? rcu_is_watching+0x15/0xb0
[  345.287416][ T7599]  ? __x64_sys_mount+0x20/0xc0
[  345.287447][ T7599]  do_syscall_64+0xfa/0x3b0
[  345.287469][ T7599]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.287488][ T7599]  ? clear_bhb_loop+0x60/0xb0
[  345.287510][ T7599]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.287530][ T7599] RIP: 0033:0x7febf859038a
[  345.287548][ T7599] 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
[  345.287566][ T7599] RSP: 002b:00007febf9486e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.287589][ T7599] RAX: ffffffffffffffda RBX: 00007febf9486ef0 RCX: 00007febf859038a
[  345.287605][ T7599] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007febf9486eb0
[  345.287627][ T7599] RBP: 000020000001f680 R08: 00007febf9486ef0 R09: 0000000000000084
[  345.287642][ T7599] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  345.287655][ T7599] R13: 00007febf9486eb0 R14: 000000000001f790 R15: 00002000000001c0
[  345.287678][ T7599]  </TASK>
[  345.287699][ T7599] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.588693][ T7601] loop2: detected capacity change from 0 to 32768
[  345.600986][ T7599] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/16 02:36:32 executed programs: 359
[  345.643469][ T7601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.721452][ T7601] CPU: 1 UID: 0 PID: 7601 Comm: syz.2.363 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  345.721484][ T7601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  345.721498][ T7601] Call Trace:
[  345.721506][ T7601]  <TASK>
[  345.721516][ T7601]  dump_stack_lvl+0x189/0x250
[  345.721546][ T7601]  ? __pfx_dump_stack_lvl+0x10/0x10
[  345.721579][ T7601]  ? __pfx__printk+0x10/0x10
[  345.721606][ T7601]  ? kernfs_root+0x1c/0x230
[  345.721630][ T7601]  ? kernfs_path_from_node+0x250/0x290
[  345.721650][ T7601]  ? kernfs_path_from_node+0x2f/0x290
[  345.721672][ T7601]  sysfs_create_dir_ns+0x259/0x280
[  345.721696][ T7601]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  345.721719][ T7601]  ? do_raw_spin_unlock+0x122/0x240
[  345.721747][ T7601]  kobject_add_internal+0x59f/0xb40
[  345.721776][ T7601]  kobject_init_and_add+0x125/0x190
[  345.721802][ T7601]  ? __pfx_kobject_init_and_add+0x10/0x10
[  345.721827][ T7601]  ? __raw_spin_lock_init+0x45/0x100
[  345.721853][ T7601]  ? __init_swait_queue_head+0xa9/0x150
[  345.721880][ T7601]  gfs2_sys_fs_add+0x234/0x450
[  345.721902][ T7601]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  345.721927][ T7601]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  345.721961][ T7601]  gfs2_fill_super+0x13c0/0x20d0
[  345.721996][ T7601]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.722025][ T7601]  ? sb_set_blocksize+0x104/0x180
[  345.722056][ T7601]  ? setup_bdev_super+0x4c1/0x5b0
[  345.722086][ T7601]  get_tree_bdev_flags+0x40b/0x4d0
[  345.722115][ T7601]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.722142][ T7601]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  345.722176][ T7601]  gfs2_get_tree+0x51/0x1e0
[  345.722204][ T7601]  vfs_get_tree+0x8f/0x2b0
[  345.722233][ T7601]  do_new_mount+0x2a2/0xa30
[  345.722266][ T7601]  ? ns_capable+0x8a/0xf0
[  345.722285][ T7601]  ? __pfx_do_new_mount+0x10/0x10
[  345.722315][ T7601]  ? path_mount+0x61c/0xfe0
[  345.722343][ T7601]  ? user_path_at+0x44/0x60
[  345.722370][ T7601]  __se_sys_mount+0x317/0x410
[  345.722404][ T7601]  ? __pfx___se_sys_mount+0x10/0x10
[  345.722438][ T7601]  ? rcu_is_watching+0x15/0xb0
[  345.722458][ T7601]  ? __x64_sys_mount+0x20/0xc0
[  345.722490][ T7601]  do_syscall_64+0xfa/0x3b0
[  345.722512][ T7601]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.722533][ T7601]  ? clear_bhb_loop+0x60/0xb0
[  345.722556][ T7601]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.722583][ T7601] RIP: 0033:0x7ff5ebb9038a
[  345.722602][ T7601] 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
[  345.722620][ T7601] RSP: 002b:00007ff5eca26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.722642][ T7601] RAX: ffffffffffffffda RBX: 00007ff5eca26ef0 RCX: 00007ff5ebb9038a
[  345.722658][ T7601] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ff5eca26eb0
[  345.722672][ T7601] RBP: 000020000001f680 R08: 00007ff5eca26ef0 R09: 0000000000000084
[  345.722687][ T7601] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  345.722700][ T7601] R13: 00007ff5eca26eb0 R14: 000000000001f790 R15: 00002000000001c0
[  345.722723][ T7601]  </TASK>
[  345.722743][ T7601] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  346.044012][ T7601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  346.382267][ T7611] loop1: detected capacity change from 0 to 32768
[  346.429404][ T7611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.453136][ T7611] CPU: 0 UID: 0 PID: 7611 Comm: syz.1.365 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  346.453169][ T7611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  346.453183][ T7611] Call Trace:
[  346.453191][ T7611]  <TASK>
[  346.453201][ T7611]  dump_stack_lvl+0x189/0x250
[  346.453234][ T7611]  ? __pfx_dump_stack_lvl+0x10/0x10
[  346.453258][ T7611]  ? __pfx__printk+0x10/0x10
[  346.453284][ T7611]  ? kernfs_root+0x1c/0x230
[  346.453309][ T7611]  ? kernfs_path_from_node+0x250/0x290
[  346.453331][ T7611]  ? kernfs_path_from_node+0x2f/0x290
[  346.453355][ T7611]  sysfs_create_dir_ns+0x259/0x280
[  346.453379][ T7611]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  346.453401][ T7611]  ? do_raw_spin_unlock+0x122/0x240
[  346.453430][ T7611]  kobject_add_internal+0x59f/0xb40
[  346.453457][ T7611]  kobject_init_and_add+0x125/0x190
[  346.453482][ T7611]  ? __pfx_kobject_init_and_add+0x10/0x10
[  346.453505][ T7611]  ? __raw_spin_lock_init+0x45/0x100
[  346.453530][ T7611]  ? __init_swait_queue_head+0xa9/0x150
[  346.453563][ T7611]  gfs2_sys_fs_add+0x234/0x450
[  346.453584][ T7611]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  346.453608][ T7611]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  346.453641][ T7611]  gfs2_fill_super+0x13c0/0x20d0
[  346.453675][ T7611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.453703][ T7611]  ? sb_set_blocksize+0x104/0x180
[  346.453733][ T7611]  ? setup_bdev_super+0x4c1/0x5b0
[  346.453761][ T7611]  get_tree_bdev_flags+0x40b/0x4d0
[  346.453789][ T7611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.453816][ T7611]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  346.453847][ T7611]  gfs2_get_tree+0x51/0x1e0
[  346.453874][ T7611]  vfs_get_tree+0x8f/0x2b0
[  346.453902][ T7611]  do_new_mount+0x2a2/0xa30
[  346.453934][ T7611]  ? ns_capable+0x8a/0xf0
[  346.453953][ T7611]  ? __pfx_do_new_mount+0x10/0x10
[  346.453981][ T7611]  ? path_mount+0x61c/0xfe0
[  346.454008][ T7611]  ? user_path_at+0x44/0x60
[  346.454036][ T7611]  __se_sys_mount+0x317/0x410
[  346.454069][ T7611]  ? __pfx___se_sys_mount+0x10/0x10
[  346.454102][ T7611]  ? rcu_is_watching+0x15/0xb0
[  346.454121][ T7611]  ? __x64_sys_mount+0x20/0xc0
[  346.454152][ T7611]  do_syscall_64+0xfa/0x3b0
[  346.454174][ T7611]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.454193][ T7611]  ? clear_bhb_loop+0x60/0xb0
[  346.454215][ T7611]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.454235][ T7611] RIP: 0033:0x7f463659038a
[  346.454253][ T7611] 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
[  346.454271][ T7611] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  346.454293][ T7611] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  346.454309][ T7611] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  346.454324][ T7611] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  346.454337][ T7611] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  346.454351][ T7611] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  346.454373][ T7611]  </TASK>
[  346.454394][ T7611] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  346.646409][ T7609] loop0: detected capacity change from 0 to 32768
[  346.700809][ T7611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  346.900915][ T7609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.908573][ T7609] CPU: 1 UID: 0 PID: 7609 Comm: syz.0.364 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  346.908604][ T7609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  346.908618][ T7609] Call Trace:
[  346.908627][ T7609]  <TASK>
[  346.908636][ T7609]  dump_stack_lvl+0x189/0x250
[  346.908675][ T7609]  ? __pfx_dump_stack_lvl+0x10/0x10
[  346.908701][ T7609]  ? __pfx__printk+0x10/0x10
[  346.908729][ T7609]  ? kernfs_root+0x1c/0x230
[  346.908755][ T7609]  ? kernfs_path_from_node+0x250/0x290
[  346.908778][ T7609]  ? kernfs_path_from_node+0x2f/0x290
[  346.908803][ T7609]  sysfs_create_dir_ns+0x259/0x280
[  346.908827][ T7609]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  346.908855][ T7609]  ? do_raw_spin_unlock+0x122/0x240
[  346.908883][ T7609]  kobject_add_internal+0x59f/0xb40
[  346.908912][ T7609]  kobject_init_and_add+0x125/0x190
[  346.908938][ T7609]  ? __pfx_kobject_init_and_add+0x10/0x10
[  346.908962][ T7609]  ? __raw_spin_lock_init+0x45/0x100
[  346.908987][ T7609]  ? __init_swait_queue_head+0xa9/0x150
[  346.909013][ T7609]  gfs2_sys_fs_add+0x234/0x450
[  346.909036][ T7609]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  346.909061][ T7609]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  346.909095][ T7609]  gfs2_fill_super+0x13c0/0x20d0
[  346.909130][ T7609]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.909159][ T7609]  ? sb_set_blocksize+0x104/0x180
[  346.909189][ T7609]  ? setup_bdev_super+0x4c1/0x5b0
[  346.909219][ T7609]  get_tree_bdev_flags+0x40b/0x4d0
[  346.909248][ T7609]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.909275][ T7609]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  346.909308][ T7609]  gfs2_get_tree+0x51/0x1e0
[  346.909337][ T7609]  vfs_get_tree+0x8f/0x2b0
[  346.909366][ T7609]  do_new_mount+0x2a2/0xa30
[  346.909398][ T7609]  ? ns_capable+0x8a/0xf0
[  346.909418][ T7609]  ? __pfx_do_new_mount+0x10/0x10
[  346.909447][ T7609]  ? path_mount+0x61c/0xfe0
[  346.909474][ T7609]  ? user_path_at+0x44/0x60
[  346.909503][ T7609]  __se_sys_mount+0x317/0x410
[  346.909537][ T7609]  ? __pfx___se_sys_mount+0x10/0x10
[  346.909571][ T7609]  ? rcu_is_watching+0x15/0xb0
[  346.909591][ T7609]  ? __x64_sys_mount+0x20/0xc0
[  346.909621][ T7609]  do_syscall_64+0xfa/0x3b0
[  346.909643][ T7609]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.909673][ T7609]  ? clear_bhb_loop+0x60/0xb0
[  346.909696][ T7609]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.909717][ T7609] RIP: 0033:0x7fdbbdf9038a
[  346.909736][ T7609] 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
[  346.909754][ T7609] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  346.909777][ T7609] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
[  346.909793][ T7609] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  346.909809][ T7609] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  346.909823][ T7609] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  346.909837][ T7609] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  346.909859][ T7609]  </TASK>
[  346.909883][ T7609] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.255359][ T7609] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.432544][ T7623] loop2: detected capacity change from 0 to 32768
[  347.453018][ T7617] loop4: detected capacity change from 0 to 32768
[  347.481524][ T7617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  347.520569][ T7623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  347.528320][ T7617] CPU: 1 UID: 0 PID: 7617 Comm: syz.4.366 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  347.528358][ T7617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  347.528373][ T7617] Call Trace:
[  347.528381][ T7617]  <TASK>
[  347.528391][ T7617]  dump_stack_lvl+0x189/0x250
[  347.528423][ T7617]  ? __pfx_dump_stack_lvl+0x10/0x10
[  347.528447][ T7617]  ? __pfx__printk+0x10/0x10
[  347.528475][ T7617]  ? kernfs_root+0x1c/0x230
[  347.528501][ T7617]  ? kernfs_path_from_node+0x250/0x290
[  347.528524][ T7617]  ? kernfs_path_from_node+0x2f/0x290
[  347.528549][ T7617]  sysfs_create_dir_ns+0x259/0x280
[  347.528573][ T7617]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  347.528595][ T7617]  ? do_raw_spin_unlock+0x122/0x240
[  347.528624][ T7617]  kobject_add_internal+0x59f/0xb40
[  347.528652][ T7617]  kobject_init_and_add+0x125/0x190
[  347.528677][ T7617]  ? __pfx_kobject_init_and_add+0x10/0x10
[  347.528701][ T7617]  ? __raw_spin_lock_init+0x45/0x100
[  347.528726][ T7617]  ? __init_swait_queue_head+0xa9/0x150
[  347.528752][ T7617]  gfs2_sys_fs_add+0x234/0x450
[  347.528773][ T7617]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  347.528796][ T7617]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  347.528829][ T7617]  gfs2_fill_super+0x13c0/0x20d0
[  347.528864][ T7617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.528893][ T7617]  ? sb_set_blocksize+0x104/0x180
[  347.528923][ T7617]  ? setup_bdev_super+0x4c1/0x5b0
[  347.528953][ T7617]  get_tree_bdev_flags+0x40b/0x4d0
[  347.528982][ T7617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.529008][ T7617]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  347.529043][ T7617]  gfs2_get_tree+0x51/0x1e0
[  347.529071][ T7617]  vfs_get_tree+0x8f/0x2b0
[  347.529100][ T7617]  do_new_mount+0x2a2/0xa30
[  347.529132][ T7617]  ? ns_capable+0x8a/0xf0
[  347.529152][ T7617]  ? __pfx_do_new_mount+0x10/0x10
[  347.529181][ T7617]  ? path_mount+0x61c/0xfe0
[  347.529209][ T7617]  ? user_path_at+0x44/0x60
[  347.529237][ T7617]  __se_sys_mount+0x317/0x410
[  347.529269][ T7617]  ? __pfx___se_sys_mount+0x10/0x10
[  347.529299][ T7617]  ? rcu_is_watching+0x15/0xb0
[  347.529319][ T7617]  ? __x64_sys_mount+0x20/0xc0
[  347.529356][ T7617]  do_syscall_64+0xfa/0x3b0
[  347.529378][ T7617]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.529399][ T7617]  ? clear_bhb_loop+0x60/0xb0
[  347.529422][ T7617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.529442][ T7617] RIP: 0033:0x7fd1cd59038a
[  347.529460][ T7617] 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
[  347.529478][ T7617] RSP: 002b:00007fd1ce43ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.529502][ T7617] RAX: ffffffffffffffda RBX: 00007fd1ce43eef0 RCX: 00007fd1cd59038a
[  347.529518][ T7617] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd1ce43eeb0
[  347.529534][ T7617] RBP: 000020000001f680 R08: 00007fd1ce43eef0 R09: 0000000000000084
[  347.529548][ T7617] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  347.529561][ T7617] R13: 00007fd1ce43eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  347.529584][ T7617]  </TASK>
[  347.529604][ T7617] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.554999][ T7623] CPU: 0 UID: 0 PID: 7623 Comm: syz.2.368 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  347.555034][ T7623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  347.555049][ T7623] Call Trace:
[  347.555061][ T7623]  <TASK>
[  347.555072][ T7623]  dump_stack_lvl+0x189/0x250
[  347.555108][ T7623]  ? __pfx_dump_stack_lvl+0x10/0x10
[  347.555136][ T7623]  ? __pfx__printk+0x10/0x10
[  347.555166][ T7623]  ? kernfs_root+0x1c/0x230
[  347.555194][ T7623]  ? kernfs_path_from_node+0x250/0x290
[  347.555220][ T7623]  ? kernfs_path_from_node+0x2f/0x290
[  347.555248][ T7623]  sysfs_create_dir_ns+0x259/0x280
[  347.555274][ T7623]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  347.555299][ T7623]  ? do_raw_spin_unlock+0x122/0x240
[  347.555330][ T7623]  kobject_add_internal+0x59f/0xb40
[  347.555361][ T7623]  kobject_init_and_add+0x125/0x190
[  347.555390][ T7623]  ? __pfx_kobject_init_and_add+0x10/0x10
[  347.555417][ T7623]  ? __raw_spin_lock_init+0x45/0x100
[  347.555445][ T7623]  ? __init_swait_queue_head+0xa9/0x150
[  347.555476][ T7623]  gfs2_sys_fs_add+0x234/0x450
[  347.555501][ T7623]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  347.555528][ T7623]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  347.555566][ T7623]  gfs2_fill_super+0x13c0/0x20d0
[  347.555613][ T7623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.555646][ T7623]  ? sb_set_blocksize+0x104/0x180
[  347.555681][ T7623]  ? setup_bdev_super+0x4c1/0x5b0
[  347.555713][ T7623]  get_tree_bdev_flags+0x40b/0x4d0
[  347.555745][ T7623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.555774][ T7623]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  347.555817][ T7623]  gfs2_get_tree+0x51/0x1e0
[  347.555847][ T7623]  vfs_get_tree+0x8f/0x2b0
[  347.555880][ T7623]  do_new_mount+0x2a2/0xa30
[  347.555915][ T7623]  ? ns_capable+0x8a/0xf0
[  347.555936][ T7623]  ? __pfx_do_new_mount+0x10/0x10
[  347.555970][ T7623]  ? path_mount+0x61c/0xfe0
[  347.556002][ T7623]  ? user_path_at+0x44/0x60
[  347.556032][ T7623]  __se_sys_mount+0x317/0x410
[  347.556071][ T7623]  ? __pfx___se_sys_mount+0x10/0x10
[  347.556110][ T7623]  ? rcu_is_watching+0x15/0xb0
[  347.556133][ T7623]  ? __x64_sys_mount+0x20/0xc0
[  347.556170][ T7623]  do_syscall_64+0xfa/0x3b0
[  347.556196][ T7623]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.556218][ T7623]  ? clear_bhb_loop+0x60/0xb0
[  347.556244][ T7623]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.556267][ T7623] RIP: 0033:0x7ff5ebb9038a
[  347.556288][ T7623] 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
[  347.556308][ T7623] RSP: 002b:00007ff5eca26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.556333][ T7623] RAX: ffffffffffffffda RBX: 00007ff5eca26ef0 RCX: 00007ff5ebb9038a
[  347.556351][ T7623] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ff5eca26eb0
[  347.556368][ T7623] RBP: 000020000001f680 R08: 00007ff5eca26ef0 R09: 0000000000000084
[  347.556384][ T7623] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  347.556400][ T7623] R13: 00007ff5eca26eb0 R14: 000000000001f790 R15: 00002000000001c0
[  347.556426][ T7623]  </TASK>
[  347.556528][ T7623] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.574835][ T7619] loop5: detected capacity change from 0 to 32768
[  347.593964][ T7617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.697000][ T7623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.773099][ T7619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  348.172570][   T31] INFO: task syz.3.81:6420 blocked for more than 143 seconds.
[  348.172598][   T31]       Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
[  348.172613][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  348.172625][   T31] task:syz.3.81        state:D stack:25224 pid:6420  tgid:6419  ppid:5999   task_flags:0x400140 flags:0x00004006
[  348.172691][   T31] Call Trace:
[  348.172700][   T31]  <TASK>
[  348.172713][   T31]  __schedule+0x1798/0x4cc0
[  348.172755][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  348.172787][   T31]  ? rcu_is_watching+0x15/0xb0
[  348.252950][ T7619] CPU: 1 UID: 0 PID: 7619 Comm: syz.5.367 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  348.252987][ T7619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  348.253004][ T7619] Call Trace:
[  348.253013][ T7619]  <TASK>
[  348.253025][ T7619]  dump_stack_lvl+0x189/0x250
[  348.253062][ T7619]  ? __pfx_dump_stack_lvl+0x10/0x10
[  348.253089][ T7619]  ? __pfx__printk+0x10/0x10
[  348.253119][ T7619]  ? kernfs_root+0x1c/0x230
[  348.253147][ T7619]  ? kernfs_path_from_node+0x250/0x290
[  348.253172][ T7619]  ? kernfs_path_from_node+0x2f/0x290
[  348.253200][ T7619]  sysfs_create_dir_ns+0x259/0x280
[  348.253226][ T7619]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  348.253251][ T7619]  ? do_raw_spin_unlock+0x122/0x240
[  348.253281][ T7619]  kobject_add_internal+0x59f/0xb40
[  348.253321][ T7619]  kobject_init_and_add+0x125/0x190
[  348.253352][ T7619]  ? __pfx_kobject_init_and_add+0x10/0x10
[  348.253378][ T7619]  ? __raw_spin_lock_init+0x45/0x100
[  348.253406][ T7619]  ? __init_swait_queue_head+0xa9/0x150
[  348.253436][ T7619]  gfs2_sys_fs_add+0x234/0x450
[  348.253461][ T7619]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  348.253488][ T7619]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  348.253526][ T7619]  gfs2_fill_super+0x13c0/0x20d0
[  348.253562][ T7619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  348.253589][ T7619]  ? sb_set_blocksize+0x104/0x180
[  348.253619][ T7619]  ? setup_bdev_super+0x4c1/0x5b0
[  348.253648][ T7619]  get_tree_bdev_flags+0x40b/0x4d0
[  348.253676][ T7619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  348.253702][ T7619]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  348.253735][ T7619]  gfs2_get_tree+0x51/0x1e0
[  348.253762][ T7619]  vfs_get_tree+0x8f/0x2b0
[  348.253791][ T7619]  do_new_mount+0x2a2/0xa30
[  348.253822][ T7619]  ? ns_capable+0x8a/0xf0
[  348.253842][ T7619]  ? __pfx_do_new_mount+0x10/0x10
[  348.253871][ T7619]  ? path_mount+0x61c/0xfe0
[  348.253899][ T7619]  ? user_path_at+0x44/0x60
[  348.253926][ T7619]  __se_sys_mount+0x317/0x410
[  348.253962][ T7619]  ? __pfx___se_sys_mount+0x10/0x10
[  348.254001][ T7619]  ? rcu_is_watching+0x15/0xb0
[  348.254024][ T7619]  ? __x64_sys_mount+0x20/0xc0
[  348.254059][ T7619]  do_syscall_64+0xfa/0x3b0
[  348.254087][ T7619]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  348.254109][ T7619]  ? clear_bhb_loop+0x60/0xb0
[  348.254135][ T7619]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  348.254160][ T7619] RIP: 0033:0x7febf859038a
[  348.254180][ T7619] 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
[  348.254202][ T7619] RSP: 002b:00007febf9486e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  348.254227][ T7619] RAX: ffffffffffffffda RBX: 00007febf9486ef0 RCX: 00007febf859038a
[  348.254245][ T7619] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007febf9486eb0
[  348.254262][ T7619] RBP: 000020000001f680 R08: 00007febf9486ef0 R09: 0000000000000084
[  348.254279][ T7619] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  348.254296][ T7619] R13: 00007febf9486eb0 R14: 000000000001f790 R15: 00002000000001c0
[  348.254328][ T7619]  </TASK>
[  348.254352][ T7619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  348.558965][   T31]  ? __pfx___schedule+0x10/0x10
[  348.603957][ T7619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  348.700729][   T31]  ? schedule+0x91/0x360
[  348.723479][   T31]  ? rcu_is_watching+0x15/0xb0
[  348.738565][   T31]  ? rcu_is_watching+0x15/0xb0
[  348.758800][   T31]  ? lock_release+0x4b/0x3e0
[  348.794027][   T31]  ? __pfx___might_resched+0x10/0x10
[  348.812048][   T31]  schedule+0x165/0x360
[  348.857717][   T31]  io_schedule+0x80/0xd0
[  348.871450][   T31]  __gfs2_log_reserve+0x208/0x400
[  348.882518][   T31]  ? __pfx___gfs2_log_reserve+0x10/0x10
[  348.908603][   T31]  ? __up_read+0x280/0x680
[  348.917780][   T31]  ? __pfx_autoremove_wake_function+0x10/0x10
[  348.942276][   T31]  ? gfs2_log_reserve+0x8c/0x1a0
[  348.957636][   T31]  __gfs2_trans_begin+0x549/0x890
[  348.973609][   T31]  ? __pfx___gfs2_trans_begin+0x10/0x10
[  348.994885][   T31]  ? rcu_is_watching+0x15/0xb0
[  349.013943][   T31]  ? trace_kmem_cache_alloc+0x1f/0xc0
[  349.042472][   T31]  ? kmem_cache_alloc_noprof+0x21a/0x3c0
[  349.048193][   T31]  ? gfs2_trans_begin+0x52/0xe0
[  349.072106][   T31]  gfs2_trans_begin+0x6f/0xe0
[  349.087150][   T31]  punch_hole+0x1e92/0x2ca0
[  349.102391][   T31]  ? __pfx_punch_hole+0x10/0x10
[  349.123822][   T31]  ? gfs2_iomap_end+0x4f8/0x6c0
[  349.142431][   T31]  ? lockref_put_or_lock+0x71/0xc0
[  349.147633][   T31]  ? truncate_pagecache_range+0x87/0xb0
[  349.157549][ T7627] loop1: detected capacity change from 0 to 32768
[  349.189230][   T31]  gfs2_iomap_end+0x4f8/0x6c0
[  349.200091][ T7627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.210760][   T31]  iomap_iter+0x313/0xde0
[  349.228202][   T31]  ? __pfx_gfs2_iomap_end+0x10/0x10
[  349.279256][ T7627] CPU: 1 UID: 0 PID: 7627 Comm: syz.1.369 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  349.279289][ T7627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  349.279302][ T7627] Call Trace:
[  349.279321][ T7627]  <TASK>
[  349.279331][ T7627]  dump_stack_lvl+0x189/0x250
[  349.279369][ T7627]  ? __pfx_dump_stack_lvl+0x10/0x10
[  349.279395][ T7627]  ? __pfx__printk+0x10/0x10
[  349.279428][ T7627]  ? kernfs_root+0x1c/0x230
[  349.279464][ T7627]  ? kernfs_path_from_node+0x250/0x290
[  349.279498][ T7627]  ? kernfs_path_from_node+0x2f/0x290
[  349.279523][ T7627]  sysfs_create_dir_ns+0x259/0x280
[  349.279553][ T7627]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  349.279580][ T7627]  ? do_raw_spin_unlock+0x122/0x240
[  349.279614][ T7627]  kobject_add_internal+0x59f/0xb40
[  349.279650][ T7627]  kobject_init_and_add+0x125/0x190
[  349.279676][ T7627]  ? __pfx_kobject_init_and_add+0x10/0x10
[  349.279699][ T7627]  ? __raw_spin_lock_init+0x45/0x100
[  349.279725][ T7627]  ? __init_swait_queue_head+0xa9/0x150
[  349.279751][ T7627]  gfs2_sys_fs_add+0x234/0x450
[  349.279773][ T7627]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  349.279798][ T7627]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  349.279832][ T7627]  gfs2_fill_super+0x13c0/0x20d0
[  349.279868][ T7627]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.279896][ T7627]  ? sb_set_blocksize+0x104/0x180
[  349.279926][ T7627]  ? setup_bdev_super+0x4c1/0x5b0
[  349.279956][ T7627]  get_tree_bdev_flags+0x40b/0x4d0
[  349.279985][ T7627]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.280012][ T7627]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  349.280046][ T7627]  gfs2_get_tree+0x51/0x1e0
[  349.280073][ T7627]  vfs_get_tree+0x8f/0x2b0
[  349.280102][ T7627]  do_new_mount+0x2a2/0xa30
[  349.280135][ T7627]  ? ns_capable+0x8a/0xf0
[  349.280155][ T7627]  ? __pfx_do_new_mount+0x10/0x10
[  349.280184][ T7627]  ? path_mount+0x61c/0xfe0
[  349.280212][ T7627]  ? user_path_at+0x44/0x60
[  349.280248][ T7627]  __se_sys_mount+0x317/0x410
[  349.280281][ T7627]  ? __pfx___se_sys_mount+0x10/0x10
[  349.280314][ T7627]  ? rcu_is_watching+0x15/0xb0
[  349.280334][ T7627]  ? __x64_sys_mount+0x20/0xc0
[  349.280366][ T7627]  do_syscall_64+0xfa/0x3b0
[  349.280388][ T7627]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.280410][ T7627]  ? clear_bhb_loop+0x60/0xb0
[  349.280433][ T7627]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.280459][ T7627] RIP: 0033:0x7f463659038a
[  349.280478][ T7627] 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
[  349.280496][ T7627] RSP: 002b:00007f4637365e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.280518][ T7627] RAX: ffffffffffffffda RBX: 00007f4637365ef0 RCX: 00007f463659038a
[  349.280534][ T7627] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f4637365eb0
[  349.280548][ T7627] RBP: 000020000001f680 R08: 00007f4637365ef0 R09: 0000000000000084
[  349.280562][ T7627] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  349.280575][ T7627] R13: 00007f4637365eb0 R14: 000000000001f790 R15: 00002000000001c0
[  349.280597][ T7627]  </TASK>
[  349.300439][ T7635] loop4: detected capacity change from 0 to 32768
[  349.309290][   T31]  iomap_file_buffered_write+0x7fa/0x9b0
[  349.410786][ T7627] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.495548][   T31]  ? __pfx_iomap_file_buffered_write+0x10/0x10
[  349.544184][ T7637] loop0: detected capacity change from 0 to 32768
[  349.628527][ T7627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.700801][ T7635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.708279][ T7635] CPU: 1 UID: 0 PID: 7635 Comm: syz.4.370 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  349.708310][ T7635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  349.708323][ T7635] Call Trace:
[  349.708331][ T7635]  <TASK>
[  349.708340][ T7635]  dump_stack_lvl+0x189/0x250
[  349.708371][ T7635]  ? __pfx_dump_stack_lvl+0x10/0x10
[  349.708395][ T7635]  ? __pfx__printk+0x10/0x10
[  349.708421][ T7635]  ? kernfs_root+0x1c/0x230
[  349.708444][ T7635]  ? kernfs_path_from_node+0x250/0x290
[  349.708466][ T7635]  ? kernfs_path_from_node+0x2f/0x290
[  349.708491][ T7635]  sysfs_create_dir_ns+0x259/0x280
[  349.708514][ T7635]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  349.708537][ T7635]  ? do_raw_spin_unlock+0x122/0x240
[  349.708565][ T7635]  kobject_add_internal+0x59f/0xb40
[  349.708594][ T7635]  kobject_init_and_add+0x125/0x190
[  349.708619][ T7635]  ? __pfx_kobject_init_and_add+0x10/0x10
[  349.708643][ T7635]  ? __raw_spin_lock_init+0x45/0x100
[  349.708668][ T7635]  ? __init_swait_queue_head+0xa9/0x150
[  349.708695][ T7635]  gfs2_sys_fs_add+0x234/0x450
[  349.708717][ T7635]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  349.708742][ T7635]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  349.708775][ T7635]  gfs2_fill_super+0x13c0/0x20d0
[  349.708811][ T7635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.708840][ T7635]  ? sb_set_blocksize+0x104/0x180
[  349.708872][ T7635]  ? setup_bdev_super+0x4c1/0x5b0
[  349.708902][ T7635]  get_tree_bdev_flags+0x40b/0x4d0
[  349.708930][ T7635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.708957][ T7635]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  349.708991][ T7635]  gfs2_get_tree+0x51/0x1e0
[  349.709019][ T7635]  vfs_get_tree+0x8f/0x2b0
[  349.709048][ T7635]  do_new_mount+0x2a2/0xa30
[  349.709080][ T7635]  ? ns_capable+0x8a/0xf0
[  349.709100][ T7635]  ? __pfx_do_new_mount+0x10/0x10
[  349.709129][ T7635]  ? path_mount+0x61c/0xfe0
[  349.709170][ T7635]  ? user_path_at+0x44/0x60
[  349.709198][ T7635]  __se_sys_mount+0x317/0x410
[  349.709232][ T7635]  ? __pfx___se_sys_mount+0x10/0x10
[  349.709266][ T7635]  ? rcu_is_watching+0x15/0xb0
[  349.709286][ T7635]  ? __x64_sys_mount+0x20/0xc0
[  349.709318][ T7635]  do_syscall_64+0xfa/0x3b0
[  349.709340][ T7635]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.709362][ T7635]  ? clear_bhb_loop+0x60/0xb0
[  349.709385][ T7635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.709406][ T7635] RIP: 0033:0x7fd1cd59038a
[  349.709424][ T7635] 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
[  349.709442][ T7635] RSP: 002b:00007fd1ce43ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.709463][ T7635] RAX: ffffffffffffffda RBX: 00007fd1ce43eef0 RCX: 00007fd1cd59038a
[  349.709478][ T7635] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd1ce43eeb0
[  349.709493][ T7635] RBP: 000020000001f680 R08: 00007fd1ce43eef0 R09: 0000000000000084
[  349.709507][ T7635] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  349.709520][ T7635] R13: 00007fd1ce43eeb0 R14: 000000000001f790 R15: 00002000000001c0
[  349.709542][ T7635]  </TASK>
[  349.709564][ T7635] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.831526][   T31]  ? inode_dio_wait+0x19e/0x240
[  349.906785][ T7635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.910230][   T31]  ? inode_go_held+0xf8/0x200
[  350.006196][ T7637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.060025][ T7637] CPU: 1 UID: 0 PID: 7637 Comm: syz.0.371 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  350.060056][ T7637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  350.060069][ T7637] Call Trace:
[  350.060078][ T7637]  <TASK>
[  350.060087][ T7637]  dump_stack_lvl+0x189/0x250
[  350.060119][ T7637]  ? __pfx_dump_stack_lvl+0x10/0x10
[  350.060145][ T7637]  ? __pfx__printk+0x10/0x10
[  350.060172][ T7637]  ? kernfs_root+0x1c/0x230
[  350.060198][ T7637]  ? kernfs_path_from_node+0x250/0x290
[  350.060220][ T7637]  ? kernfs_path_from_node+0x2f/0x290
[  350.060245][ T7637]  sysfs_create_dir_ns+0x259/0x280
[  350.060269][ T7637]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  350.060292][ T7637]  ? do_raw_spin_unlock+0x122/0x240
[  350.060320][ T7637]  kobject_add_internal+0x59f/0xb40
[  350.060348][ T7637]  kobject_init_and_add+0x125/0x190
[  350.060374][ T7637]  ? __pfx_kobject_init_and_add+0x10/0x10
[  350.060397][ T7637]  ? __raw_spin_lock_init+0x45/0x100
[  350.060430][ T7637]  ? __init_swait_queue_head+0xa9/0x150
[  350.060457][ T7637]  gfs2_sys_fs_add+0x234/0x450
[  350.060478][ T7637]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  350.060502][ T7637]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  350.060536][ T7637]  gfs2_fill_super+0x13c0/0x20d0
[  350.060571][ T7637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.060600][ T7637]  ? sb_set_blocksize+0x104/0x180
[  350.060636][ T7637]  ? setup_bdev_super+0x4c1/0x5b0
[  350.060665][ T7637]  get_tree_bdev_flags+0x40b/0x4d0
[  350.060693][ T7637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.060717][ T7637]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  350.060749][ T7637]  gfs2_get_tree+0x51/0x1e0
[  350.060774][ T7637]  vfs_get_tree+0x8f/0x2b0
[  350.060803][ T7637]  do_new_mount+0x2a2/0xa30
[  350.060836][ T7637]  ? ns_capable+0x8a/0xf0
[  350.060855][ T7637]  ? __pfx_do_new_mount+0x10/0x10
[  350.060885][ T7637]  ? path_mount+0x61c/0xfe0
[  350.060913][ T7637]  ? user_path_at+0x44/0x60
[  350.060942][ T7637]  __se_sys_mount+0x317/0x410
[  350.060976][ T7637]  ? __pfx___se_sys_mount+0x10/0x10
[  350.061011][ T7637]  ? rcu_is_watching+0x15/0xb0
[  350.061031][ T7637]  ? __x64_sys_mount+0x20/0xc0
[  350.061063][ T7637]  do_syscall_64+0xfa/0x3b0
[  350.061085][ T7637]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.061106][ T7637]  ? clear_bhb_loop+0x60/0xb0
[  350.061130][ T7637]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.061150][ T7637] RIP: 0033:0x7fdbbdf9038a
[  350.061169][ T7637] 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
[  350.061187][ T7637] RSP: 002b:00007fdbbed4be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.061209][ T7637] RAX: ffffffffffffffda RBX: 00007fdbbed4bef0 RCX: 00007fdbbdf9038a
[  350.061225][ T7637] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fdbbed4beb0
[  350.061239][ T7637] RBP: 000020000001f680 R08: 00007fdbbed4bef0 R09: 0000000000000084
[  350.061253][ T7637] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  350.061266][ T7637] R13: 00007fdbbed4beb0 R14: 000000000001f790 R15: 00002000000001c0
[  350.061288][ T7637]  </TASK>
[  350.390803][   T31]  ? gfs2_glock_wait+0x20f/0x2a0
[  350.395833][   T31]  gfs2_file_buffered_write+0x4ed/0x880
[  350.401484][   T31]  ? gfs2_file_write_iter+0x94e/0x1100
[  350.406989][   T31]  gfs2_file_write_iter+0x94e/0x1100
[  350.420762][   T31]  ? rcu_is_watching+0x15/0xb0
[  350.425943][ T7637] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.440030][   T31]  ? vfs_write+0x211/0xb30
[  350.460742][   T31]  ? __pfx_gfs2_file_write_iter+0x10/0x10
[  350.466625][   T31]  ? gfs2_file_write_iter+0x94e/0x1100
[  350.472236][ T7637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.478837][   T31]  ? security_file_permission+0x75/0x290
[  350.508197][   T31]  vfs_write+0x5c9/0xb30
[  350.523946][ T7641] loop5: detected capacity change from 0 to 32768
[  350.536135][   T31]  ? __pfx_gfs2_file_write_iter+0x10/0x10
[  350.559686][ T7641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.566315][   T31]  ? __pfx_vfs_write+0x10/0x10
[  350.567224][ T7641] CPU: 1 UID: 0 PID: 7641 Comm: syz.5.373 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  350.567257][ T7641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  350.567283][ T7641] Call Trace:
[  350.567293][ T7641]  <TASK>
[  350.567303][ T7641]  dump_stack_lvl+0x189/0x250
[  350.567337][ T7641]  ? __pfx_dump_stack_lvl+0x10/0x10
[  350.567364][ T7641]  ? __pfx__printk+0x10/0x10
[  350.567394][ T7641]  ? kernfs_root+0x1c/0x230
[  350.567424][ T7641]  ? kernfs_path_from_node+0x250/0x290
[  350.567448][ T7641]  ? kernfs_path_from_node+0x2f/0x290
[  350.567477][ T7641]  sysfs_create_dir_ns+0x259/0x280
[  350.567502][ T7641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  350.567527][ T7641]  ? do_raw_spin_unlock+0x122/0x240
[  350.567560][ T7641]  kobject_add_internal+0x59f/0xb40
[  350.567591][ T7641]  kobject_init_and_add+0x125/0x190
[  350.567620][ T7641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  350.567645][ T7641]  ? __raw_spin_lock_init+0x45/0x100
[  350.567674][ T7641]  ? __init_swait_queue_head+0xa9/0x150
[  350.567705][ T7641]  gfs2_sys_fs_add+0x234/0x450
[  350.567728][ T7641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  350.567756][ T7641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  350.567795][ T7641]  gfs2_fill_super+0x13c0/0x20d0
[  350.567833][ T7641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.567866][ T7641]  ? sb_set_blocksize+0x104/0x180
[  350.567899][ T7641]  ? setup_bdev_super+0x4c1/0x5b0
[  350.567933][ T7641]  get_tree_bdev_flags+0x40b/0x4d0
[  350.567965][ T7641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.567995][ T7641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  350.568033][ T7641]  gfs2_get_tree+0x51/0x1e0
[  350.568063][ T7641]  vfs_get_tree+0x8f/0x2b0
[  350.568096][ T7641]  do_new_mount+0x2a2/0xa30
[  350.568131][ T7641]  ? ns_capable+0x8a/0xf0
[  350.568153][ T7641]  ? __pfx_do_new_mount+0x10/0x10
[  350.568186][ T7641]  ? path_mount+0x61c/0xfe0
[  350.568218][ T7641]  ? user_path_at+0x44/0x60
[  350.568248][ T7641]  __se_sys_mount+0x317/0x410
[  350.568293][ T7641]  ? __pfx___se_sys_mount+0x10/0x10
[  350.568330][ T7641]  ? rcu_is_watching+0x15/0xb0
[  350.568353][ T7641]  ? __x64_sys_mount+0x20/0xc0
[  350.568388][ T7641]  do_syscall_64+0xfa/0x3b0
[  350.568411][ T7641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.568435][ T7641]  ? clear_bhb_loop+0x60/0xb0
[  350.568460][ T7641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.568483][ T7641] RIP: 0033:0x7febf859038a
[  350.568505][ T7641] 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
[  350.568524][ T7641] RSP: 002b:00007febf9486e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.568550][ T7641] RAX: ffffffffffffffda RBX: 00007febf9486ef0 RCX: 00007febf859038a
[  350.568568][ T7641] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007febf9486eb0
[  350.568585][ T7641] RBP: 000020000001f680 R08: 00007febf9486ef0 R09: 0000000000000084
[  350.568602][ T7641] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  350.568618][ T7641] R13: 00007febf9486eb0 R14: 000000000001f790 R15: 00002000000001c0
[  350.568644][ T7641]  </TASK>
[  350.568667][ T7641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.607002][   T31]  ? __fget_files+0x2a/0x420
[  350.609808][ T7641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.670136][ T7639] loop2: detected capacity change from 0 to 32768
[  350.680068][   T31]  ksys_write+0x145/0x250
[  350.909685][ T7639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.913736][   T31]  ? __pfx_ksys_write+0x10/0x10
[  350.937947][   T31]  ? rcu_is_watching+0x15/0xb0
[  350.942938][   T31]  ? rcu_is_watching+0x15/0xb0
[  350.947779][   T31]  do_syscall_64+0xfa/0x3b0
[  350.950240][ T7639] CPU: 0 UID: 0 PID: 7639 Comm: syz.2.372 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  350.950274][ T7639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  350.950289][ T7639] Call Trace:
[  350.950298][ T7639]  <TASK>
[  350.950308][ T7639]  dump_stack_lvl+0x189/0x250
[  350.950343][ T7639]  ? __pfx_dump_stack_lvl+0x10/0x10
[  350.950371][ T7639]  ? __pfx__printk+0x10/0x10
[  350.950403][ T7639]  ? kernfs_root+0x1c/0x230
[  350.950431][ T7639]  ? kernfs_path_from_node+0x250/0x290
[  350.950455][ T7639]  ? kernfs_path_from_node+0x2f/0x290
[  350.950484][ T7639]  sysfs_create_dir_ns+0x259/0x280
[  350.950509][ T7639]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  350.950535][ T7639]  ? do_raw_spin_unlock+0x122/0x240
[  350.950565][ T7639]  kobject_add_internal+0x59f/0xb40
[  350.950598][ T7639]  kobject_init_and_add+0x125/0x190
[  350.950631][ T7639]  ? __pfx_kobject_init_and_add+0x10/0x10
[  350.950658][ T7639]  ? __raw_spin_lock_init+0x45/0x100
[  350.950688][ T7639]  ? __init_swait_queue_head+0xa9/0x150
[  350.950719][ T7639]  gfs2_sys_fs_add+0x234/0x450
[  350.950745][ T7639]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  350.950772][ T7639]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  350.950811][ T7639]  gfs2_fill_super+0x13c0/0x20d0
[  350.950850][ T7639]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.950883][ T7639]  ? sb_set_blocksize+0x104/0x180
[  350.950916][ T7639]  ? setup_bdev_super+0x4c1/0x5b0
[  350.950950][ T7639]  get_tree_bdev_flags+0x40b/0x4d0
[  350.950981][ T7639]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.951010][ T7639]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  350.951063][ T7639]  gfs2_get_tree+0x51/0x1e0
[  350.951093][ T7639]  vfs_get_tree+0x8f/0x2b0
[  350.951126][ T7639]  do_new_mount+0x2a2/0xa30
[  350.951160][ T7639]  ? ns_capable+0x8a/0xf0
[  350.951181][ T7639]  ? __pfx_do_new_mount+0x10/0x10
[  350.951214][ T7639]  ? path_mount+0x61c/0xfe0
[  350.951245][ T7639]  ? user_path_at+0x44/0x60
[  350.951276][ T7639]  __se_sys_mount+0x317/0x410
[  350.951312][ T7639]  ? __pfx___se_sys_mount+0x10/0x10
[  350.951349][ T7639]  ? rcu_is_watching+0x15/0xb0
[  350.951373][ T7639]  ? __x64_sys_mount+0x20/0xc0
[  350.951407][ T7639]  do_syscall_64+0xfa/0x3b0
[  350.951431][ T7639]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.951456][ T7639]  ? clear_bhb_loop+0x60/0xb0
[  350.951481][ T7639]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.951503][ T7639] RIP: 0033:0x7ff5ebb9038a
[  350.951523][ T7639] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
2025/08/16 02:36:38 executed programs: 368
[  350.951543][ T7639] RSP: 002b:00007ff5eca26e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.951570][ T7639] RAX: ffffffffffffffda RBX: 00007ff5eca26ef0 RCX: 00007ff5ebb9038a
[  350.951588][ T7639] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ff5eca26eb0
[  350.951603][ T7639] RBP: 000020000001f680 R08: 00007ff5eca26ef0 R09: 0000000000000084
[  350.951619][ T7639] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  350.951632][ T7639] R13: 00007ff5eca26eb0 R14: 000000000001f790 R15: 00002000000001c0
[  350.951656][ T7639]  </TASK>
[  350.974298][ T7639] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  351.099720][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.185028][ T7639] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  351.200113][   T31]  ? clear_bhb_loop+0x60/0xb0
[  351.595924][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.626321][   T31] RIP: 0033:0x7f6079d8ebe9
[  351.640781][   T31] RSP: 002b:00007f607ab5e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  351.676105][   T31] RAX: ffffffffffffffda RBX: 00007f6079fb5fa0 RCX: 00007f6079d8ebe9
[  351.700709][   T31] RDX: 000000000208e24b RSI: 0000200000000040 RDI: 0000000000000005
[  351.749609][   T31] RBP: 00007f6079e11e19 R08: 0000000000000000 R09: 0000000000000000
[  351.780197][   T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  351.810141][   T31] R13: 00007f6079fb6038 R14: 00007f6079fb5fa0 R15: 00007ffc464b02d8
[  351.830909][   T31]  </TASK>
[  351.850864][   T31] INFO: lockdep is turned off.
[  351.860713][   T31] NMI backtrace for cpu 1
[  351.860737][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  351.860762][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  351.860775][   T31] Call Trace:
[  351.860783][   T31]  <TASK>
[  351.860792][   T31]  dump_stack_lvl+0x189/0x250
[  351.860823][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  351.860848][   T31]  ? __pfx__printk+0x10/0x10
[  351.860882][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  351.860911][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  351.860939][   T31]  ? __pfx__printk+0x10/0x10
[  351.860969][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  351.861002][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  351.861033][   T31]  watchdog+0xf60/0xfa0
[  351.861064][   T31]  ? watchdog+0x1e2/0xfa0
[  351.861095][   T31]  kthread+0x711/0x8a0
[  351.861122][   T31]  ? __pfx_watchdog+0x10/0x10
[  351.861149][   T31]  ? __pfx_kthread+0x10/0x10
[  351.861174][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  351.861212][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  351.861230][   T31]  ? __pfx_kthread+0x10/0x10
[  351.861255][   T31]  ret_from_fork+0x3f9/0x770
[  351.861276][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  351.861298][   T31]  ? __switch_to_asm+0x39/0x70
[  351.861322][   T31]  ? __switch_to_asm+0x33/0x70
[  351.861348][   T31]  ? __pfx_kthread+0x10/0x10
[  351.861373][   T31]  ret_from_fork_asm+0x1a/0x30
[  351.861408][   T31]  </TASK>
[  351.861416][   T31] Sending NMI from CPU 1 to CPUs 0:
[  352.012215][    C0] NMI backtrace for cpu 0
[  352.012234][    C0] CPU: 0 UID: 0 PID: 7655 Comm: syz.4.375 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  352.012257][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  352.012268][    C0] RIP: 0010:unwind_next_frame+0x130e/0x2390
[  352.012296][    C0] Code: c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49
[  352.012313][    C0] RSP: 0000:ffffc9000c347038 EFLAGS: 00000a06
[  352.012329][    C0] RAX: 0000000000000000 RBX: ffffffff8fc13fd0 RCX: dffffc0000000000
[  352.012342][    C0] RDX: ffffffff8fc13fd0 RSI: ffffffff90421854 RDI: ffffffff8be34ba0
[  352.012356][    C0] RBP: ffffffff8fc13fd0 R08: 0000000000000001 R09: 0000000000000000
[  352.012368][    C0] R10: ffffc9000c347158 R11: ffffffff81ac38c0 R12: ffffffff8233ae18
[  352.012382][    C0] R13: ffffffff8fc13fd0 R14: ffffc9000c347108 R15: ffffffff8fc13fd0
[  352.012396][    C0] FS:  00007fd1ce43f6c0(0000) GS:ffff888125c0f000(0000) knlGS:0000000000000000
[  352.012412][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  352.012424][    C0] CR2: 00007fdbb56ad000 CR3: 00000000563d8000 CR4: 00000000003526f0
[  352.012441][    C0] Call Trace:
[  352.012447][    C0]  <TASK>
[  352.012458][    C0]  ? unwind_next_frame+0xa5/0x2390
[  352.012479][    C0]  ? vfs_write+0x5c9/0xb30
[  352.012504][    C0]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  352.012526][    C0]  arch_stack_walk+0x11c/0x150
[  352.012550][    C0]  ? vfs_write+0x5c9/0xb30
[  352.012573][    C0]  stack_trace_save+0x9c/0xe0
[  352.012593][    C0]  ? __pfx_stack_trace_save+0x10/0x10
[  352.012617][    C0]  save_stack+0xf5/0x1f0
[  352.012640][    C0]  ? __pfx_save_stack+0x10/0x10
[  352.012661][    C0]  ? post_alloc_hook+0x240/0x2a0
[  352.012685][    C0]  ? get_page_from_freelist+0x21e4/0x22c0
[  352.012702][    C0]  ? __alloc_frozen_pages_noprof+0x181/0x370
[  352.012719][    C0]  ? alloc_pages_mpol+0x232/0x4a0
[  352.012742][    C0]  ? folio_alloc_mpol_noprof+0x39/0x70
[  352.012766][    C0]  ? shmem_alloc_and_add_folio+0x447/0xf60
[  352.012790][    C0]  ? shmem_get_folio_gfp+0x59d/0x1660
[  352.012810][    C0]  ? shmem_write_begin+0xf7/0x2b0
[  352.012833][    C0]  ? generic_perform_write+0x2c5/0x900
[  352.012853][    C0]  ? shmem_file_write_iter+0xf8/0x120
[  352.012876][    C0]  ? vfs_write+0x5c9/0xb30
[  352.012899][    C0]  ? bad_range+0x8b/0x2c0
[  352.012920][    C0]  ? rcu_is_watching+0x15/0xb0
[  352.012940][    C0]  __set_page_owner+0x8d/0x4a0
[  352.012963][    C0]  ? __pfx___set_page_owner+0x10/0x10
[  352.012989][    C0]  post_alloc_hook+0x240/0x2a0
[  352.013016][    C0]  get_page_from_freelist+0x21e4/0x22c0
[  352.013057][    C0]  ? trace_kmem_cache_alloc+0x1f/0xc0
[  352.013079][    C0]  ? kmem_cache_alloc_lru_noprof+0x21f/0x3d0
[  352.013104][    C0]  ? css_rstat_updated+0x23a/0x4f0
[  352.013129][    C0]  ? __pfx_get_page_from_freelist+0x10/0x10
[  352.013156][    C0]  ? prepare_alloc_pages+0x213/0x610
[  352.013175][    C0]  __alloc_frozen_pages_noprof+0x181/0x370
[  352.013194][    C0]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[  352.013215][    C0]  ? policy_nodemask+0x27c/0x720
[  352.013239][    C0]  ? __pfx_lru_add+0x10/0x10
[  352.013257][    C0]  alloc_pages_mpol+0x232/0x4a0
[  352.013283][    C0]  folio_alloc_mpol_noprof+0x39/0x70
[  352.013308][    C0]  shmem_alloc_and_add_folio+0x447/0xf60
[  352.013334][    C0]  ? filemap_get_entry+0xad/0x2f0
[  352.013350][    C0]  ? filemap_get_entry+0xad/0x2f0
[  352.013366][    C0]  ? filemap_get_entry+0x28f/0x2f0
[  352.013383][    C0]  ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[  352.013409][    C0]  ? shmem_allowable_huge_orders+0x1f8/0x420
[  352.013434][    C0]  shmem_get_folio_gfp+0x59d/0x1660
[  352.013463][    C0]  shmem_write_begin+0xf7/0x2b0
[  352.013489][    C0]  generic_perform_write+0x2c5/0x900
[  352.013514][    C0]  ? __pfx_generic_perform_write+0x10/0x10
[  352.013534][    C0]  ? preempt_count_add+0x91/0x1a0
[  352.013561][    C0]  ? mnt_put_write_access_file+0xb9/0x100
[  352.013582][    C0]  ? file_update_time+0x416/0x490
[  352.013603][    C0]  shmem_file_write_iter+0xf8/0x120
[  352.013629][    C0]  vfs_write+0x5c9/0xb30
[  352.013653][    C0]  ? __pfx_shmem_file_write_iter+0x10/0x10
[  352.013677][    C0]  ? __pfx_vfs_write+0x10/0x10
[  352.013703][    C0]  ? __fget_files+0x2a/0x420
[  352.013722][    C0]  ksys_write+0x145/0x250
[  352.013745][    C0]  ? __pfx_ksys_write+0x10/0x10
[  352.013770][    C0]  ? rcu_is_watching+0x15/0xb0
[  352.013788][    C0]  do_syscall_64+0xfa/0x3b0
[  352.013807][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.013825][    C0]  ? clear_bhb_loop+0x60/0xb0
[  352.013844][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.013861][    C0] RIP: 0033:0x7fd1cd58d69f
[  352.013876][    C0] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  352.013891][    C0] RSP: 002b:00007fd1ce43edf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  352.013909][    C0] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007fd1cd58d69f
[  352.013923][    C0] RDX: 0000000001000000 RSI: 00007fd1c4600000 RDI: 0000000000000003
[  352.013935][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[  352.013946][    C0] R10: 000020000005e5c2 R11: 0000000000000293 R12: 0000000000000003
[  352.013958][    C0] R13: 00007fd1ce43eef0 R14: 00007fd1ce43eeb0 R15: 00007fd1c4600000
[  352.013977][    C0]  </TASK>
[  352.644712][ T7651] loop1: detected capacity change from 0 to 32768
[  352.679972][ T7655] loop4: detected capacity change from 0 to 32768
[  352.710865][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  352.717782][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  352.729356][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  352.739703][   T31] Call Trace:
[  352.743016][   T31]  <TASK>
[  352.745975][   T31]  dump_stack_lvl+0x99/0x250
[  352.750605][   T31]  ? __asan_memcpy+0x40/0x70
[  352.755233][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  352.760469][   T31]  ? __pfx__printk+0x10/0x10
[  352.765112][   T31]  vpanic+0x281/0x750
[  352.769137][   T31]  ? __pfx_vpanic+0x10/0x10
[  352.773676][   T31]  ? rcu_is_watching+0x15/0xb0
[  352.778485][   T31]  ? preempt_schedule+0xae/0xc0
[  352.783378][   T31]  ? preempt_schedule_common+0x83/0xd0
[  352.788896][   T31]  panic+0xb9/0xc0
[  352.792648][   T31]  ? __pfx_panic+0x10/0x10
[  352.797090][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  352.802486][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  352.808769][   T31]  watchdog+0xf9f/0xfa0
[  352.812982][   T31]  ? watchdog+0x1e2/0xfa0
[  352.817369][   T31]  kthread+0x711/0x8a0
[  352.821561][   T31]  ? __pfx_watchdog+0x10/0x10
[  352.826271][   T31]  ? __pfx_kthread+0x10/0x10
[  352.830900][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  352.836145][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  352.841371][   T31]  ? __pfx_kthread+0x10/0x10
[  352.845998][   T31]  ret_from_fork+0x3f9/0x770
[  352.850617][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  352.855778][   T31]  ? __switch_to_asm+0x39/0x70
[  352.860577][   T31]  ? __switch_to_asm+0x33/0x70
[  352.865542][   T31]  ? __pfx_kthread+0x10/0x10
[  352.870260][   T31]  ret_from_fork_asm+0x1a/0x30
[  352.875088][   T31]  </TASK>
[  352.878497][   T31] Kernel Offset: disabled
[  352.882827][   T31] Rebooting in 86400 seconds..