2]  ? __pfx_kobject_init_and_add+0x10/0x10
[  200.176728][ T6632]  ? __raw_spin_lock_init+0x45/0x100
[  200.176745][ T6632]  ? __init_swait_queue_head+0xa9/0x150
[  200.176764][ T6632]  gfs2_sys_fs_add+0x234/0x450
[  200.176798][ T6632]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  200.176821][ T6632]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  200.176845][ T6632]  gfs2_fill_super+0x13c0/0x20d0
[  200.176869][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  200.176889][ T6632]  ? sb_set_blocksize+0x104/0x180
[  200.176910][ T6632]  ? setup_bdev_super+0x4c1/0x5b0
[  200.176931][ T6632]  get_tree_bdev_flags+0x40e/0x4d0
[  200.176949][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  200.176967][ T6632]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  200.176990][ T6632]  gfs2_get_tree+0x51/0x1e0
[  200.177009][ T6632]  vfs_get_tree+0x92/0x2b0
[  200.177029][ T6632]  do_new_mount+0x2a2/0xa30
[  200.177050][ T6632]  ? ns_capable+0x8a/0xf0
[  200.177072][ T6632]  ? __pfx_do_new_mount+0x10/0x10
[  200.177091][ T6632]  ? path_mount+0x61c/0xfe0
[  200.177108][ T6632]  ? user_path_at+0x44/0x60
[  200.177128][ T6632]  __se_sys_mount+0x317/0x410
[  200.177149][ T6632]  ? __pfx___se_sys_mount+0x10/0x10
[  200.177170][ T6632]  ? rcu_is_watching+0x15/0xb0
[  200.177192][ T6632]  ? __x64_sys_mount+0x20/0xc0
[  200.177213][ T6632]  do_syscall_64+0xfa/0xfa0
[  200.177232][ T6632]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  200.177249][ T6632]  ? clear_bhb_loop+0x60/0xb0
[  200.177266][ T6632]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  200.177282][ T6632] RIP: 0033:0x7f432c19038a
[  200.177298][ T6632] 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
[  200.177313][ T6632] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  200.177332][ T6632] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  200.177345][ T6632] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  200.177357][ T6632] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  200.177368][ T6632] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  200.177379][ T6632] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  200.177398][ T6632]  </TASK>
[  200.177417][ T6632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  200.493255][ T6632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  200.787494][ T6635] loop1: detected capacity change from 0 to 32768
[  200.802537][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  200.810119][ T6635] CPU: 1 UID: 0 PID: 6635 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  200.810143][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  200.810156][ T6635] Call Trace:
[  200.810162][ T6635]  <TASK>
[  200.810169][ T6635]  dump_stack_lvl+0x189/0x250
[  200.810193][ T6635]  ? __pfx_dump_stack_lvl+0x10/0x10
[  200.810212][ T6635]  ? __pfx__printk+0x10/0x10
[  200.810231][ T6635]  ? kernfs_root+0x1c/0x230
[  200.810249][ T6635]  ? kernfs_path_from_node+0x250/0x290
[  200.810263][ T6635]  ? kernfs_path_from_node+0x2f/0x290
[  200.810278][ T6635]  sysfs_create_dir_ns+0x259/0x280
[  200.810300][ T6635]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  200.810323][ T6635]  ? do_raw_spin_unlock+0x122/0x240
[  200.810344][ T6635]  kobject_add_internal+0x59f/0xb40
[  200.810368][ T6635]  kobject_init_and_add+0x125/0x190
[  200.810388][ T6635]  ? __pfx_kobject_init_and_add+0x10/0x10
[  200.810407][ T6635]  ? __raw_spin_lock_init+0x45/0x100
[  200.810423][ T6635]  ? __init_swait_queue_head+0xa9/0x150
[  200.810440][ T6635]  gfs2_sys_fs_add+0x234/0x450
[  200.810461][ T6635]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  200.810482][ T6635]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  200.810503][ T6635]  gfs2_fill_super+0x13c0/0x20d0
[  200.810527][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  200.810546][ T6635]  ? sb_set_blocksize+0x104/0x180
[  200.810566][ T6635]  ? setup_bdev_super+0x4c1/0x5b0
[  200.810585][ T6635]  get_tree_bdev_flags+0x40e/0x4d0
[  200.810603][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  200.810624][ T6635]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  200.810643][ T6635]  gfs2_get_tree+0x51/0x1e0
[  200.810659][ T6635]  vfs_get_tree+0x92/0x2b0
[  200.810676][ T6635]  do_new_mount+0x2a2/0xa30
[  200.810695][ T6635]  ? ns_capable+0x8a/0xf0
[  200.810714][ T6635]  ? __pfx_do_new_mount+0x10/0x10
[  200.810733][ T6635]  ? path_mount+0x61c/0xfe0
[  200.810750][ T6635]  ? user_path_at+0x44/0x60
[  200.810768][ T6635]  __se_sys_mount+0x317/0x410
[  200.810788][ T6635]  ? __pfx___se_sys_mount+0x10/0x10
[  200.810810][ T6635]  ? rcu_is_watching+0x15/0xb0
[  200.810832][ T6635]  ? __x64_sys_mount+0x20/0xc0
[  200.810853][ T6635]  do_syscall_64+0xfa/0xfa0
[  200.810880][ T6635]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  200.810897][ T6635]  ? clear_bhb_loop+0x60/0xb0
[  200.810916][ T6635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  200.810932][ T6635] RIP: 0033:0x7f432c19038a
[  200.810948][ T6635] 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
[  200.810964][ T6635] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  200.810983][ T6635] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  200.810997][ T6635] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  200.811009][ T6635] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  200.811019][ T6635] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  200.811031][ T6635] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  200.811048][ T6635]  </TASK>
[  201.111923][ T6635] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  201.126264][ T6635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  201.435186][ T6638] loop1: detected capacity change from 0 to 32768
[  201.449882][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  201.458547][ T6638] CPU: 0 UID: 0 PID: 6638 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  201.458572][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  201.458583][ T6638] Call Trace:
[  201.458590][ T6638]  <TASK>
[  201.458599][ T6638]  dump_stack_lvl+0x189/0x250
[  201.458625][ T6638]  ? __pfx_dump_stack_lvl+0x10/0x10
[  201.458643][ T6638]  ? __pfx__printk+0x10/0x10
[  201.458661][ T6638]  ? kernfs_root+0x1c/0x230
[  201.458678][ T6638]  ? kernfs_path_from_node+0x250/0x290
[  201.458692][ T6638]  ? kernfs_path_from_node+0x2f/0x290
[  201.458708][ T6638]  sysfs_create_dir_ns+0x259/0x280
[  201.458731][ T6638]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  201.458753][ T6638]  ? do_raw_spin_unlock+0x122/0x240
[  201.458773][ T6638]  kobject_add_internal+0x59f/0xb40
[  201.458798][ T6638]  kobject_init_and_add+0x125/0x190
[  201.458820][ T6638]  ? __pfx_kobject_init_and_add+0x10/0x10
[  201.458839][ T6638]  ? __raw_spin_lock_init+0x45/0x100
[  201.458856][ T6638]  ? __init_swait_queue_head+0xa9/0x150
[  201.458873][ T6638]  gfs2_sys_fs_add+0x234/0x450
[  201.458895][ T6638]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  201.458930][ T6638]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  201.458954][ T6638]  gfs2_fill_super+0x13c0/0x20d0
[  201.458979][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.458997][ T6638]  ? sb_set_blocksize+0x104/0x180
[  201.459018][ T6638]  ? setup_bdev_super+0x4c1/0x5b0
[  201.459038][ T6638]  get_tree_bdev_flags+0x40e/0x4d0
[  201.459056][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.459072][ T6638]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  201.459094][ T6638]  gfs2_get_tree+0x51/0x1e0
[  201.459112][ T6638]  vfs_get_tree+0x92/0x2b0
[  201.459131][ T6638]  do_new_mount+0x2a2/0xa30
[  201.459153][ T6638]  ? ns_capable+0x8a/0xf0
[  201.459176][ T6638]  ? __pfx_do_new_mount+0x10/0x10
[  201.459195][ T6638]  ? path_mount+0x61c/0xfe0
[  201.459211][ T6638]  ? user_path_at+0x44/0x60
[  201.459230][ T6638]  __se_sys_mount+0x317/0x410
[  201.459252][ T6638]  ? __pfx___se_sys_mount+0x10/0x10
[  201.459274][ T6638]  ? rcu_is_watching+0x15/0xb0
[  201.459298][ T6638]  ? __x64_sys_mount+0x20/0xc0
[  201.459318][ T6638]  do_syscall_64+0xfa/0xfa0
[  201.459338][ T6638]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.459355][ T6638]  ? clear_bhb_loop+0x60/0xb0
[  201.459372][ T6638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.459388][ T6638] RIP: 0033:0x7f432c19038a
[  201.459404][ T6638] 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
[  201.459419][ T6638] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  201.459440][ T6638] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  201.459453][ T6638] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  201.459466][ T6638] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  201.459478][ T6638] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  201.459489][ T6638] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  201.459507][ T6638]  </TASK>
[  201.459533][ T6638] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  201.776945][ T6638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  202.086094][ T6641] loop1: detected capacity change from 0 to 32768
[  202.100069][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  202.107974][ T6641] CPU: 1 UID: 0 PID: 6641 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  202.108000][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  202.108012][ T6641] Call Trace:
[  202.108020][ T6641]  <TASK>
[  202.108028][ T6641]  dump_stack_lvl+0x189/0x250
[  202.108056][ T6641]  ? __pfx_dump_stack_lvl+0x10/0x10
[  202.108076][ T6641]  ? __pfx__printk+0x10/0x10
[  202.108095][ T6641]  ? kernfs_root+0x1c/0x230
[  202.108115][ T6641]  ? kernfs_path_from_node+0x250/0x290
[  202.108128][ T6641]  ? kernfs_path_from_node+0x2f/0x290
[  202.108143][ T6641]  sysfs_create_dir_ns+0x259/0x280
[  202.108166][ T6641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  202.108186][ T6641]  ? do_raw_spin_unlock+0x122/0x240
[  202.108204][ T6641]  kobject_add_internal+0x59f/0xb40
[  202.108229][ T6641]  kobject_init_and_add+0x125/0x190
[  202.108250][ T6641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  202.108269][ T6641]  ? __raw_spin_lock_init+0x45/0x100
[  202.108285][ T6641]  ? __init_swait_queue_head+0xa9/0x150
[  202.108301][ T6641]  gfs2_sys_fs_add+0x234/0x450
[  202.108323][ T6641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  202.108347][ T6641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  202.108372][ T6641]  gfs2_fill_super+0x13c0/0x20d0
[  202.108397][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.108416][ T6641]  ? sb_set_blocksize+0x104/0x180
[  202.108437][ T6641]  ? setup_bdev_super+0x4c1/0x5b0
[  202.108457][ T6641]  get_tree_bdev_flags+0x40e/0x4d0
[  202.108475][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.108491][ T6641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  202.108512][ T6641]  gfs2_get_tree+0x51/0x1e0
[  202.108530][ T6641]  vfs_get_tree+0x92/0x2b0
[  202.108549][ T6641]  do_new_mount+0x2a2/0xa30
[  202.108570][ T6641]  ? ns_capable+0x8a/0xf0
[  202.108592][ T6641]  ? __pfx_do_new_mount+0x10/0x10
[  202.108615][ T6641]  ? path_mount+0x61c/0xfe0
[  202.108630][ T6641]  ? user_path_at+0x44/0x60
[  202.108646][ T6641]  __se_sys_mount+0x317/0x410
[  202.108667][ T6641]  ? __pfx___se_sys_mount+0x10/0x10
[  202.108685][ T6641]  ? rcu_is_watching+0x15/0xb0
[  202.108707][ T6641]  ? __x64_sys_mount+0x20/0xc0
[  202.108725][ T6641]  do_syscall_64+0xfa/0xfa0
[  202.108745][ T6641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.108761][ T6641]  ? clear_bhb_loop+0x60/0xb0
[  202.108779][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.108796][ T6641] RIP: 0033:0x7f432c19038a
[  202.108813][ T6641] 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
[  202.108827][ T6641] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  202.108846][ T6641] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  202.108858][ T6641] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  202.108869][ T6641] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  202.108880][ T6641] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  202.108892][ T6641] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  202.108908][ T6641]  </TASK>
[  202.109547][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  202.424934][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  202.735429][ T6644] loop1: detected capacity change from 0 to 32768
[  202.746974][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  202.754876][ T6644] CPU: 1 UID: 0 PID: 6644 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  202.754900][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  202.754911][ T6644] Call Trace:
[  202.754918][ T6644]  <TASK>
[  202.754926][ T6644]  dump_stack_lvl+0x189/0x250
[  202.754953][ T6644]  ? __pfx_dump_stack_lvl+0x10/0x10
[  202.754973][ T6644]  ? __pfx__printk+0x10/0x10
[  202.754993][ T6644]  ? kernfs_root+0x1c/0x230
[  202.755011][ T6644]  ? kernfs_path_from_node+0x250/0x290
[  202.755026][ T6644]  ? kernfs_path_from_node+0x2f/0x290
[  202.755041][ T6644]  sysfs_create_dir_ns+0x259/0x280
[  202.755065][ T6644]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  202.755085][ T6644]  ? do_raw_spin_unlock+0x122/0x240
[  202.755114][ T6644]  kobject_add_internal+0x59f/0xb40
[  202.755139][ T6644]  kobject_init_and_add+0x125/0x190
[  202.755160][ T6644]  ? __pfx_kobject_init_and_add+0x10/0x10
[  202.755179][ T6644]  ? __raw_spin_lock_init+0x45/0x100
[  202.755195][ T6644]  ? __init_swait_queue_head+0xa9/0x150
[  202.755213][ T6644]  gfs2_sys_fs_add+0x234/0x450
[  202.755236][ T6644]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  202.755260][ T6644]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  202.755284][ T6644]  gfs2_fill_super+0x13c0/0x20d0
[  202.755306][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.755325][ T6644]  ? sb_set_blocksize+0x104/0x180
[  202.755346][ T6644]  ? setup_bdev_super+0x4c1/0x5b0
[  202.755368][ T6644]  get_tree_bdev_flags+0x40e/0x4d0
[  202.755408][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.755425][ T6644]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  202.755446][ T6644]  gfs2_get_tree+0x51/0x1e0
[  202.755465][ T6644]  vfs_get_tree+0x92/0x2b0
[  202.755482][ T6644]  do_new_mount+0x2a2/0xa30
[  202.755504][ T6644]  ? ns_capable+0x8a/0xf0
[  202.755526][ T6644]  ? __pfx_do_new_mount+0x10/0x10
[  202.755553][ T6644]  ? path_mount+0x61c/0xfe0
[  202.755571][ T6644]  ? user_path_at+0x44/0x60
[  202.755590][ T6644]  __se_sys_mount+0x317/0x410
[  202.755611][ T6644]  ? __pfx___se_sys_mount+0x10/0x10
[  202.755632][ T6644]  ? rcu_is_watching+0x15/0xb0
[  202.755654][ T6644]  ? __x64_sys_mount+0x20/0xc0
[  202.755675][ T6644]  do_syscall_64+0xfa/0xfa0
[  202.755695][ T6644]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.755711][ T6644]  ? clear_bhb_loop+0x60/0xb0
[  202.755729][ T6644]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.755750][ T6644] RIP: 0033:0x7f432c19038a
[  202.755766][ T6644] 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
[  202.755782][ T6644] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  202.755801][ T6644] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  202.755815][ T6644] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  202.755827][ T6644] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  202.755838][ T6644] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  202.755849][ T6644] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  202.755867][ T6644]  </TASK>
[  202.755889][ T6644] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  203.072627][ T6644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  203.365202][ T6647] loop1: detected capacity change from 0 to 32768
[  203.377278][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  203.384876][ T6647] CPU: 1 UID: 0 PID: 6647 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  203.384896][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  203.384906][ T6647] Call Trace:
[  203.384913][ T6647]  <TASK>
[  203.384920][ T6647]  dump_stack_lvl+0x189/0x250
[  203.384946][ T6647]  ? __pfx_dump_stack_lvl+0x10/0x10
[  203.384962][ T6647]  ? __pfx__printk+0x10/0x10
[  203.384982][ T6647]  ? kernfs_root+0x1c/0x230
[  203.385000][ T6647]  ? kernfs_path_from_node+0x250/0x290
[  203.385015][ T6647]  ? kernfs_path_from_node+0x2f/0x290
[  203.385031][ T6647]  sysfs_create_dir_ns+0x259/0x280
[  203.385055][ T6647]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  203.385078][ T6647]  ? do_raw_spin_unlock+0x122/0x240
[  203.385099][ T6647]  kobject_add_internal+0x59f/0xb40
[  203.385124][ T6647]  kobject_init_and_add+0x125/0x190
[  203.385145][ T6647]  ? __pfx_kobject_init_and_add+0x10/0x10
[  203.385163][ T6647]  ? __raw_spin_lock_init+0x45/0x100
[  203.385179][ T6647]  ? __init_swait_queue_head+0xa9/0x150
[  203.385198][ T6647]  gfs2_sys_fs_add+0x234/0x450
[  203.385221][ T6647]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  203.385243][ T6647]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  203.385267][ T6647]  gfs2_fill_super+0x13c0/0x20d0
[  203.385292][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.385311][ T6647]  ? sb_set_blocksize+0x104/0x180
[  203.385333][ T6647]  ? setup_bdev_super+0x4c1/0x5b0
[  203.385355][ T6647]  get_tree_bdev_flags+0x40e/0x4d0
[  203.385374][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.385389][ T6647]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  203.385421][ T6647]  gfs2_get_tree+0x51/0x1e0
[  203.385440][ T6647]  vfs_get_tree+0x92/0x2b0
[  203.385459][ T6647]  do_new_mount+0x2a2/0xa30
[  203.385479][ T6647]  ? ns_capable+0x8a/0xf0
[  203.385501][ T6647]  ? __pfx_do_new_mount+0x10/0x10
[  203.385520][ T6647]  ? path_mount+0x61c/0xfe0
[  203.385538][ T6647]  ? user_path_at+0x44/0x60
[  203.385558][ T6647]  __se_sys_mount+0x317/0x410
[  203.385580][ T6647]  ? __pfx___se_sys_mount+0x10/0x10
[  203.385600][ T6647]  ? rcu_is_watching+0x15/0xb0
[  203.385623][ T6647]  ? __x64_sys_mount+0x20/0xc0
[  203.385641][ T6647]  do_syscall_64+0xfa/0xfa0
[  203.385660][ T6647]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.385675][ T6647]  ? clear_bhb_loop+0x60/0xb0
[  203.385692][ T6647]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.385706][ T6647] RIP: 0033:0x7f432c19038a
[  203.385722][ T6647] 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
[  203.385737][ T6647] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  203.385757][ T6647] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  203.385771][ T6647] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  203.385784][ T6647] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  203.385797][ T6647] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  203.385809][ T6647] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  203.385829][ T6647]  </TASK>
[  203.385934][ T6647] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  203.702221][ T6647] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 09:38:29 executed programs: 189
[  203.994386][ T6650] loop1: detected capacity change from 0 to 32768
[  204.007783][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.015708][ T6650] CPU: 0 UID: 0 PID: 6650 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  204.015733][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.015744][ T6650] Call Trace:
[  204.015752][ T6650]  <TASK>
[  204.015761][ T6650]  dump_stack_lvl+0x189/0x250
[  204.015786][ T6650]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.015806][ T6650]  ? __pfx__printk+0x10/0x10
[  204.015826][ T6650]  ? kernfs_root+0x1c/0x230
[  204.015845][ T6650]  ? kernfs_path_from_node+0x250/0x290
[  204.015860][ T6650]  ? kernfs_path_from_node+0x2f/0x290
[  204.015877][ T6650]  sysfs_create_dir_ns+0x259/0x280
[  204.015901][ T6650]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.015922][ T6650]  ? do_raw_spin_unlock+0x122/0x240
[  204.015940][ T6650]  kobject_add_internal+0x59f/0xb40
[  204.015964][ T6650]  kobject_init_and_add+0x125/0x190
[  204.015985][ T6650]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.016004][ T6650]  ? __raw_spin_lock_init+0x45/0x100
[  204.016022][ T6650]  ? __init_swait_queue_head+0xa9/0x150
[  204.016040][ T6650]  gfs2_sys_fs_add+0x234/0x450
[  204.016073][ T6650]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.016097][ T6650]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.016120][ T6650]  gfs2_fill_super+0x13c0/0x20d0
[  204.016145][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.016166][ T6650]  ? sb_set_blocksize+0x104/0x180
[  204.016187][ T6650]  ? setup_bdev_super+0x4c1/0x5b0
[  204.016207][ T6650]  get_tree_bdev_flags+0x40e/0x4d0
[  204.016226][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.016244][ T6650]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.016266][ T6650]  gfs2_get_tree+0x51/0x1e0
[  204.016283][ T6650]  vfs_get_tree+0x92/0x2b0
[  204.016313][ T6650]  do_new_mount+0x2a2/0xa30
[  204.016335][ T6650]  ? ns_capable+0x8a/0xf0
[  204.016356][ T6650]  ? __pfx_do_new_mount+0x10/0x10
[  204.016375][ T6650]  ? path_mount+0x61c/0xfe0
[  204.016393][ T6650]  ? user_path_at+0x44/0x60
[  204.016413][ T6650]  __se_sys_mount+0x317/0x410
[  204.016436][ T6650]  ? __pfx___se_sys_mount+0x10/0x10
[  204.016457][ T6650]  ? rcu_is_watching+0x15/0xb0
[  204.016479][ T6650]  ? __x64_sys_mount+0x20/0xc0
[  204.016500][ T6650]  do_syscall_64+0xfa/0xfa0
[  204.016518][ T6650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.016535][ T6650]  ? clear_bhb_loop+0x60/0xb0
[  204.016553][ T6650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.016570][ T6650] RIP: 0033:0x7f432c19038a
[  204.016586][ T6650] 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
[  204.016603][ T6650] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.016624][ T6650] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  204.016637][ T6650] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  204.016649][ T6650] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  204.016662][ T6650] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  204.016674][ T6650] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  204.016692][ T6650]  </TASK>
[  204.016712][ T6650] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.332770][ T6650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.641841][ T6653] loop1: detected capacity change from 0 to 32768
[  204.650336][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.658160][ T6653] CPU: 1 UID: 0 PID: 6653 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  204.658183][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.658194][ T6653] Call Trace:
[  204.658200][ T6653]  <TASK>
[  204.658207][ T6653]  dump_stack_lvl+0x189/0x250
[  204.658235][ T6653]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.658252][ T6653]  ? __pfx__printk+0x10/0x10
[  204.658270][ T6653]  ? kernfs_root+0x1c/0x230
[  204.658287][ T6653]  ? kernfs_path_from_node+0x250/0x290
[  204.658301][ T6653]  ? kernfs_path_from_node+0x2f/0x290
[  204.658315][ T6653]  sysfs_create_dir_ns+0x259/0x280
[  204.658338][ T6653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.658360][ T6653]  ? do_raw_spin_unlock+0x122/0x240
[  204.658390][ T6653]  kobject_add_internal+0x59f/0xb40
[  204.658415][ T6653]  kobject_init_and_add+0x125/0x190
[  204.658435][ T6653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.658453][ T6653]  ? __raw_spin_lock_init+0x45/0x100
[  204.658469][ T6653]  ? __init_swait_queue_head+0xa9/0x150
[  204.658486][ T6653]  gfs2_sys_fs_add+0x234/0x450
[  204.658508][ T6653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.658529][ T6653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.658551][ T6653]  gfs2_fill_super+0x13c0/0x20d0
[  204.658572][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.658591][ T6653]  ? sb_set_blocksize+0x104/0x180
[  204.658612][ T6653]  ? setup_bdev_super+0x4c1/0x5b0
[  204.658631][ T6653]  get_tree_bdev_flags+0x40e/0x4d0
[  204.658649][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.658666][ T6653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.658688][ T6653]  gfs2_get_tree+0x51/0x1e0
[  204.658706][ T6653]  vfs_get_tree+0x92/0x2b0
[  204.658725][ T6653]  do_new_mount+0x2a2/0xa30
[  204.658747][ T6653]  ? ns_capable+0x8a/0xf0
[  204.658769][ T6653]  ? __pfx_do_new_mount+0x10/0x10
[  204.658787][ T6653]  ? path_mount+0x61c/0xfe0
[  204.658804][ T6653]  ? user_path_at+0x44/0x60
[  204.658824][ T6653]  __se_sys_mount+0x317/0x410
[  204.658847][ T6653]  ? __pfx___se_sys_mount+0x10/0x10
[  204.658867][ T6653]  ? rcu_is_watching+0x15/0xb0
[  204.658888][ T6653]  ? __x64_sys_mount+0x20/0xc0
[  204.658907][ T6653]  do_syscall_64+0xfa/0xfa0
[  204.658924][ T6653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.658941][ T6653]  ? clear_bhb_loop+0x60/0xb0
[  204.658958][ T6653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.658973][ T6653] RIP: 0033:0x7f432c19038a
[  204.658987][ T6653] 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
[  204.659001][ T6653] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.659020][ T6653] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  204.659032][ T6653] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  204.659045][ T6653] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  204.659057][ T6653] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  204.659068][ T6653] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  204.659086][ T6653]  </TASK>
[  204.659108][ T6653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.976665][ T6653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.319284][ T6656] loop1: detected capacity change from 0 to 32768
[  205.330376][ T6656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.338177][ T6656] CPU: 1 UID: 0 PID: 6656 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  205.338200][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  205.338211][ T6656] Call Trace:
[  205.338218][ T6656]  <TASK>
[  205.338226][ T6656]  dump_stack_lvl+0x189/0x250
[  205.338253][ T6656]  ? __pfx_dump_stack_lvl+0x10/0x10
[  205.338271][ T6656]  ? __pfx__printk+0x10/0x10
[  205.338291][ T6656]  ? kernfs_root+0x1c/0x230
[  205.338309][ T6656]  ? kernfs_path_from_node+0x250/0x290
[  205.338324][ T6656]  ? kernfs_path_from_node+0x2f/0x290
[  205.338340][ T6656]  sysfs_create_dir_ns+0x259/0x280
[  205.338364][ T6656]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  205.338386][ T6656]  ? do_raw_spin_unlock+0x122/0x240
[  205.338406][ T6656]  kobject_add_internal+0x59f/0xb40
[  205.338431][ T6656]  kobject_init_and_add+0x125/0x190
[  205.338452][ T6656]  ? __pfx_kobject_init_and_add+0x10/0x10
[  205.338471][ T6656]  ? __raw_spin_lock_init+0x45/0x100
[  205.338488][ T6656]  ? __init_swait_queue_head+0xa9/0x150
[  205.338507][ T6656]  gfs2_sys_fs_add+0x234/0x450
[  205.338532][ T6656]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  205.338555][ T6656]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  205.338579][ T6656]  gfs2_fill_super+0x13c0/0x20d0
[  205.338602][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.338620][ T6656]  ? sb_set_blocksize+0x104/0x180
[  205.338642][ T6656]  ? setup_bdev_super+0x4c1/0x5b0
[  205.338662][ T6656]  get_tree_bdev_flags+0x40e/0x4d0
[  205.338681][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.338698][ T6656]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  205.338720][ T6656]  gfs2_get_tree+0x51/0x1e0
[  205.338738][ T6656]  vfs_get_tree+0x92/0x2b0
[  205.338757][ T6656]  do_new_mount+0x2a2/0xa30
[  205.338778][ T6656]  ? ns_capable+0x8a/0xf0
[  205.338800][ T6656]  ? __pfx_do_new_mount+0x10/0x10
[  205.338819][ T6656]  ? path_mount+0x61c/0xfe0
[  205.338836][ T6656]  ? user_path_at+0x44/0x60
[  205.338856][ T6656]  __se_sys_mount+0x317/0x410
[  205.338879][ T6656]  ? __pfx___se_sys_mount+0x10/0x10
[  205.338900][ T6656]  ? rcu_is_watching+0x15/0xb0
[  205.338923][ T6656]  ? __x64_sys_mount+0x20/0xc0
[  205.338943][ T6656]  do_syscall_64+0xfa/0xfa0
[  205.338962][ T6656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.338978][ T6656]  ? clear_bhb_loop+0x60/0xb0
[  205.338997][ T6656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.339013][ T6656] RIP: 0033:0x7f432c19038a
[  205.339029][ T6656] 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
[  205.339044][ T6656] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.339063][ T6656] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  205.339076][ T6656] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  205.339089][ T6656] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  205.339101][ T6656] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  205.339114][ T6656] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  205.339132][ T6656]  </TASK>
[  205.339161][ T6656] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.655717][ T6656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.947654][ T6659] loop1: detected capacity change from 0 to 32768
[  205.958510][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.966523][ T6659] CPU: 1 UID: 0 PID: 6659 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  205.966544][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  205.966554][ T6659] Call Trace:
[  205.966561][ T6659]  <TASK>
[  205.966569][ T6659]  dump_stack_lvl+0x189/0x250
[  205.966592][ T6659]  ? __pfx_dump_stack_lvl+0x10/0x10
[  205.966610][ T6659]  ? __pfx__printk+0x10/0x10
[  205.966650][ T6659]  ? kernfs_root+0x1c/0x230
[  205.966668][ T6659]  ? kernfs_path_from_node+0x250/0x290
[  205.966683][ T6659]  ? kernfs_path_from_node+0x2f/0x290
[  205.966698][ T6659]  sysfs_create_dir_ns+0x259/0x280
[  205.966722][ T6659]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  205.966743][ T6659]  ? do_raw_spin_unlock+0x122/0x240
[  205.966763][ T6659]  kobject_add_internal+0x59f/0xb40
[  205.966787][ T6659]  kobject_init_and_add+0x125/0x190
[  205.966807][ T6659]  ? __pfx_kobject_init_and_add+0x10/0x10
[  205.966825][ T6659]  ? __raw_spin_lock_init+0x45/0x100
[  205.966842][ T6659]  ? __init_swait_queue_head+0xa9/0x150
[  205.966861][ T6659]  gfs2_sys_fs_add+0x234/0x450
[  205.966883][ T6659]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  205.966904][ T6659]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  205.966924][ T6659]  gfs2_fill_super+0x13c0/0x20d0
[  205.966947][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.966967][ T6659]  ? sb_set_blocksize+0x104/0x180
[  205.966988][ T6659]  ? setup_bdev_super+0x4c1/0x5b0
[  205.967006][ T6659]  get_tree_bdev_flags+0x40e/0x4d0
[  205.967025][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.967041][ T6659]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  205.967063][ T6659]  gfs2_get_tree+0x51/0x1e0
[  205.967081][ T6659]  vfs_get_tree+0x92/0x2b0
[  205.967099][ T6659]  do_new_mount+0x2a2/0xa30
[  205.967121][ T6659]  ? ns_capable+0x8a/0xf0
[  205.967142][ T6659]  ? __pfx_do_new_mount+0x10/0x10
[  205.967160][ T6659]  ? path_mount+0x61c/0xfe0
[  205.967177][ T6659]  ? user_path_at+0x44/0x60
[  205.967195][ T6659]  __se_sys_mount+0x317/0x410
[  205.967218][ T6659]  ? __pfx___se_sys_mount+0x10/0x10
[  205.967238][ T6659]  ? rcu_is_watching+0x15/0xb0
[  205.967259][ T6659]  ? __x64_sys_mount+0x20/0xc0
[  205.967279][ T6659]  do_syscall_64+0xfa/0xfa0
[  205.967298][ T6659]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.967316][ T6659]  ? clear_bhb_loop+0x60/0xb0
[  205.967334][ T6659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.967360][ T6659] RIP: 0033:0x7f432c19038a
[  205.967375][ T6659] 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
[  205.967390][ T6659] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.967408][ T6659] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  205.967421][ T6659] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  205.967433][ T6659] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  205.967444][ T6659] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  205.967456][ T6659] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  205.967475][ T6659]  </TASK>
[  205.967496][ T6659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.282655][ T6659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.594007][ T6662] loop1: detected capacity change from 0 to 32768
[  206.609061][ T6662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.617239][ T6662] CPU: 1 UID: 0 PID: 6662 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  206.617267][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.617278][ T6662] Call Trace:
[  206.617286][ T6662]  <TASK>
[  206.617294][ T6662]  dump_stack_lvl+0x189/0x250
[  206.617322][ T6662]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.617340][ T6662]  ? __pfx__printk+0x10/0x10
[  206.617359][ T6662]  ? kernfs_root+0x1c/0x230
[  206.617377][ T6662]  ? kernfs_path_from_node+0x250/0x290
[  206.617391][ T6662]  ? kernfs_path_from_node+0x2f/0x290
[  206.617408][ T6662]  sysfs_create_dir_ns+0x259/0x280
[  206.617431][ T6662]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.617452][ T6662]  ? do_raw_spin_unlock+0x122/0x240
[  206.617472][ T6662]  kobject_add_internal+0x59f/0xb40
[  206.617497][ T6662]  kobject_init_and_add+0x125/0x190
[  206.617519][ T6662]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.617539][ T6662]  ? __raw_spin_lock_init+0x45/0x100
[  206.617556][ T6662]  ? __init_swait_queue_head+0xa9/0x150
[  206.617573][ T6662]  gfs2_sys_fs_add+0x234/0x450
[  206.617596][ T6662]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.617620][ T6662]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.617644][ T6662]  gfs2_fill_super+0x13c0/0x20d0
[  206.617668][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.617685][ T6662]  ? sb_set_blocksize+0x104/0x180
[  206.617706][ T6662]  ? setup_bdev_super+0x4c1/0x5b0
[  206.617727][ T6662]  get_tree_bdev_flags+0x40e/0x4d0
[  206.617747][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.617765][ T6662]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.617788][ T6662]  gfs2_get_tree+0x51/0x1e0
[  206.617806][ T6662]  vfs_get_tree+0x92/0x2b0
[  206.617824][ T6662]  do_new_mount+0x2a2/0xa30
[  206.617844][ T6662]  ? ns_capable+0x8a/0xf0
[  206.617867][ T6662]  ? __pfx_do_new_mount+0x10/0x10
[  206.617886][ T6662]  ? path_mount+0x61c/0xfe0
[  206.617903][ T6662]  ? user_path_at+0x44/0x60
[  206.617922][ T6662]  __se_sys_mount+0x317/0x410
[  206.617944][ T6662]  ? __pfx___se_sys_mount+0x10/0x10
[  206.617964][ T6662]  ? rcu_is_watching+0x15/0xb0
[  206.617987][ T6662]  ? __x64_sys_mount+0x20/0xc0
[  206.618007][ T6662]  do_syscall_64+0xfa/0xfa0
[  206.618027][ T6662]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.618044][ T6662]  ? clear_bhb_loop+0x60/0xb0
[  206.618063][ T6662]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.618078][ T6662] RIP: 0033:0x7f432c19038a
[  206.618094][ T6662] 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
[  206.618108][ T6662] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.618127][ T6662] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  206.618149][ T6662] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  206.618166][ T6662] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  206.618178][ T6662] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  206.618189][ T6662] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  206.618208][ T6662]  </TASK>
[  206.618228][ T6662] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.935507][ T6662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.239073][ T6665] loop1: detected capacity change from 0 to 32768
[  207.251979][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.259426][ T6665] CPU: 0 UID: 0 PID: 6665 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  207.259451][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.259463][ T6665] Call Trace:
[  207.259471][ T6665]  <TASK>
[  207.259479][ T6665]  dump_stack_lvl+0x189/0x250
[  207.259507][ T6665]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.259526][ T6665]  ? __pfx__printk+0x10/0x10
[  207.259545][ T6665]  ? kernfs_root+0x1c/0x230
[  207.259563][ T6665]  ? kernfs_path_from_node+0x250/0x290
[  207.259577][ T6665]  ? kernfs_path_from_node+0x2f/0x290
[  207.259604][ T6665]  sysfs_create_dir_ns+0x259/0x280
[  207.259629][ T6665]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.259651][ T6665]  ? do_raw_spin_unlock+0x122/0x240
[  207.259671][ T6665]  kobject_add_internal+0x59f/0xb40
[  207.259697][ T6665]  kobject_init_and_add+0x125/0x190
[  207.259719][ T6665]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.259739][ T6665]  ? __raw_spin_lock_init+0x45/0x100
[  207.259757][ T6665]  ? __init_swait_queue_head+0xa9/0x150
[  207.259774][ T6665]  gfs2_sys_fs_add+0x234/0x450
[  207.259797][ T6665]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.259821][ T6665]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.259842][ T6665]  gfs2_fill_super+0x13c0/0x20d0
[  207.259866][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.259884][ T6665]  ? sb_set_blocksize+0x104/0x180
[  207.259906][ T6665]  ? setup_bdev_super+0x4c1/0x5b0
[  207.259926][ T6665]  get_tree_bdev_flags+0x40e/0x4d0
[  207.259946][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.259964][ T6665]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.259987][ T6665]  gfs2_get_tree+0x51/0x1e0
[  207.260005][ T6665]  vfs_get_tree+0x92/0x2b0
[  207.260024][ T6665]  do_new_mount+0x2a2/0xa30
[  207.260045][ T6665]  ? ns_capable+0x8a/0xf0
[  207.260067][ T6665]  ? __pfx_do_new_mount+0x10/0x10
[  207.260085][ T6665]  ? path_mount+0x61c/0xfe0
[  207.260102][ T6665]  ? user_path_at+0x44/0x60
[  207.260119][ T6665]  __se_sys_mount+0x317/0x410
[  207.260140][ T6665]  ? __pfx___se_sys_mount+0x10/0x10
[  207.260162][ T6665]  ? rcu_is_watching+0x15/0xb0
[  207.260183][ T6665]  ? __x64_sys_mount+0x20/0xc0
[  207.260204][ T6665]  do_syscall_64+0xfa/0xfa0
[  207.260223][ T6665]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.260239][ T6665]  ? clear_bhb_loop+0x60/0xb0
[  207.260256][ T6665]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.260273][ T6665] RIP: 0033:0x7f432c19038a
[  207.260289][ T6665] 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
[  207.260304][ T6665] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.260324][ T6665] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  207.260345][ T6665] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  207.260357][ T6665] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  207.260369][ T6665] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  207.260381][ T6665] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  207.260400][ T6665]  </TASK>
[  207.260421][ T6665] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.576548][ T6665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.883654][ T6668] loop1: detected capacity change from 0 to 32768
[  207.903392][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.910971][ T6668] CPU: 1 UID: 0 PID: 6668 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  207.910996][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.911017][ T6668] Call Trace:
[  207.911024][ T6668]  <TASK>
[  207.911031][ T6668]  dump_stack_lvl+0x189/0x250
[  207.911062][ T6668]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.911082][ T6668]  ? __pfx__printk+0x10/0x10
[  207.911100][ T6668]  ? kernfs_root+0x1c/0x230
[  207.911118][ T6668]  ? kernfs_path_from_node+0x250/0x290
[  207.911131][ T6668]  ? kernfs_path_from_node+0x2f/0x290
[  207.911147][ T6668]  sysfs_create_dir_ns+0x259/0x280
[  207.911170][ T6668]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.911190][ T6668]  ? do_raw_spin_unlock+0x122/0x240
[  207.911207][ T6668]  kobject_add_internal+0x59f/0xb40
[  207.911232][ T6668]  kobject_init_and_add+0x125/0x190
[  207.911254][ T6668]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.911273][ T6668]  ? __raw_spin_lock_init+0x45/0x100
[  207.911291][ T6668]  ? __init_swait_queue_head+0xa9/0x150
[  207.911308][ T6668]  gfs2_sys_fs_add+0x234/0x450
[  207.911332][ T6668]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.911356][ T6668]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.911382][ T6668]  gfs2_fill_super+0x13c0/0x20d0
[  207.911407][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.911426][ T6668]  ? sb_set_blocksize+0x104/0x180
[  207.911448][ T6668]  ? setup_bdev_super+0x4c1/0x5b0
[  207.911468][ T6668]  get_tree_bdev_flags+0x40e/0x4d0
[  207.911486][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.911505][ T6668]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.911528][ T6668]  gfs2_get_tree+0x51/0x1e0
[  207.911547][ T6668]  vfs_get_tree+0x92/0x2b0
[  207.911566][ T6668]  do_new_mount+0x2a2/0xa30
[  207.911589][ T6668]  ? ns_capable+0x8a/0xf0
[  207.911612][ T6668]  ? __pfx_do_new_mount+0x10/0x10
[  207.911631][ T6668]  ? path_mount+0x61c/0xfe0
[  207.911649][ T6668]  ? user_path_at+0x44/0x60
[  207.911668][ T6668]  __se_sys_mount+0x317/0x410
[  207.911691][ T6668]  ? __pfx___se_sys_mount+0x10/0x10
[  207.911711][ T6668]  ? rcu_is_watching+0x15/0xb0
[  207.911732][ T6668]  ? __x64_sys_mount+0x20/0xc0
[  207.911753][ T6668]  do_syscall_64+0xfa/0xfa0
[  207.911773][ T6668]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.911790][ T6668]  ? clear_bhb_loop+0x60/0xb0
[  207.911809][ T6668]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.911824][ T6668] RIP: 0033:0x7f432c19038a
[  207.911839][ T6668] 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
[  207.911855][ T6668] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.911876][ T6668] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  207.911890][ T6668] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  207.911903][ T6668] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  207.911915][ T6668] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  207.911927][ T6668] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  207.911945][ T6668]  </TASK>
[  207.911965][ T6668] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.227771][ T6668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.533748][ T6671] loop1: detected capacity change from 0 to 32768
[  208.558607][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.567087][ T6671] CPU: 1 UID: 0 PID: 6671 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  208.567113][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  208.567124][ T6671] Call Trace:
[  208.567131][ T6671]  <TASK>
[  208.567139][ T6671]  dump_stack_lvl+0x189/0x250
[  208.567166][ T6671]  ? __pfx_dump_stack_lvl+0x10/0x10
[  208.567185][ T6671]  ? __pfx__printk+0x10/0x10
[  208.567205][ T6671]  ? kernfs_root+0x1c/0x230
[  208.567231][ T6671]  ? kernfs_path_from_node+0x250/0x290
[  208.567245][ T6671]  ? kernfs_path_from_node+0x2f/0x290
[  208.567261][ T6671]  sysfs_create_dir_ns+0x259/0x280
[  208.567286][ T6671]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  208.567308][ T6671]  ? do_raw_spin_unlock+0x122/0x240
[  208.567328][ T6671]  kobject_add_internal+0x59f/0xb40
[  208.567352][ T6671]  kobject_init_and_add+0x125/0x190
[  208.567372][ T6671]  ? __pfx_kobject_init_and_add+0x10/0x10
[  208.567392][ T6671]  ? __raw_spin_lock_init+0x45/0x100
[  208.567410][ T6671]  ? __init_swait_queue_head+0xa9/0x150
[  208.567429][ T6671]  gfs2_sys_fs_add+0x234/0x450
[  208.567453][ T6671]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  208.567477][ T6671]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  208.567500][ T6671]  gfs2_fill_super+0x13c0/0x20d0
[  208.567524][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.567543][ T6671]  ? sb_set_blocksize+0x104/0x180
[  208.567565][ T6671]  ? setup_bdev_super+0x4c1/0x5b0
[  208.567586][ T6671]  get_tree_bdev_flags+0x40e/0x4d0
[  208.567605][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.567622][ T6671]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  208.567645][ T6671]  gfs2_get_tree+0x51/0x1e0
[  208.567664][ T6671]  vfs_get_tree+0x92/0x2b0
[  208.567684][ T6671]  do_new_mount+0x2a2/0xa30
[  208.567705][ T6671]  ? ns_capable+0x8a/0xf0
[  208.567727][ T6671]  ? __pfx_do_new_mount+0x10/0x10
[  208.567745][ T6671]  ? path_mount+0x61c/0xfe0
[  208.567762][ T6671]  ? user_path_at+0x44/0x60
[  208.567781][ T6671]  __se_sys_mount+0x317/0x410
[  208.567803][ T6671]  ? __pfx___se_sys_mount+0x10/0x10
[  208.567825][ T6671]  ? rcu_is_watching+0x15/0xb0
[  208.567846][ T6671]  ? __x64_sys_mount+0x20/0xc0
[  208.567866][ T6671]  do_syscall_64+0xfa/0xfa0
[  208.567885][ T6671]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.567901][ T6671]  ? clear_bhb_loop+0x60/0xb0
[  208.567920][ T6671]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.567936][ T6671] RIP: 0033:0x7f432c19038a
[  208.567953][ T6671] 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
[  208.567969][ T6671] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.567988][ T6671] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  208.568001][ T6671] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  208.568013][ T6671] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  208.568025][ T6671] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  208.568036][ T6671] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  208.568054][ T6671]  </TASK>
[  208.568075][ T6671] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.884713][ T6671] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 09:38:34 executed programs: 197
[  209.193549][ T6674] loop1: detected capacity change from 0 to 32768
[  209.208642][ T6674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.216275][ T6674] CPU: 1 UID: 0 PID: 6674 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  209.216301][ T6674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  209.216313][ T6674] Call Trace:
[  209.216321][ T6674]  <TASK>
[  209.216329][ T6674]  dump_stack_lvl+0x189/0x250
[  209.216357][ T6674]  ? __pfx_dump_stack_lvl+0x10/0x10
[  209.216376][ T6674]  ? __pfx__printk+0x10/0x10
[  209.216397][ T6674]  ? kernfs_root+0x1c/0x230
[  209.216415][ T6674]  ? kernfs_path_from_node+0x250/0x290
[  209.216430][ T6674]  ? kernfs_path_from_node+0x2f/0x290
[  209.216447][ T6674]  sysfs_create_dir_ns+0x259/0x280
[  209.216471][ T6674]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  209.216493][ T6674]  ? do_raw_spin_unlock+0x122/0x240
[  209.216513][ T6674]  kobject_add_internal+0x59f/0xb40
[  209.216538][ T6674]  kobject_init_and_add+0x125/0x190
[  209.216559][ T6674]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.216578][ T6674]  ? __raw_spin_lock_init+0x45/0x100
[  209.216595][ T6674]  ? __init_swait_queue_head+0xa9/0x150
[  209.216613][ T6674]  gfs2_sys_fs_add+0x234/0x450
[  209.216635][ T6674]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.216658][ T6674]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.216683][ T6674]  gfs2_fill_super+0x13c0/0x20d0
[  209.216706][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.216724][ T6674]  ? sb_set_blocksize+0x104/0x180
[  209.216745][ T6674]  ? setup_bdev_super+0x4c1/0x5b0
[  209.216767][ T6674]  get_tree_bdev_flags+0x40e/0x4d0
[  209.216786][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.216804][ T6674]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.216826][ T6674]  gfs2_get_tree+0x51/0x1e0
[  209.216843][ T6674]  vfs_get_tree+0x92/0x2b0
[  209.216861][ T6674]  do_new_mount+0x2a2/0xa30
[  209.217000][ T6674]  ? ns_capable+0x8a/0xf0
[  209.217023][ T6674]  ? __pfx_do_new_mount+0x10/0x10
[  209.217040][ T6674]  ? path_mount+0x61c/0xfe0
[  209.217056][ T6674]  ? user_path_at+0x44/0x60
[  209.217073][ T6674]  __se_sys_mount+0x317/0x410
[  209.217094][ T6674]  ? __pfx___se_sys_mount+0x10/0x10
[  209.217114][ T6674]  ? rcu_is_watching+0x15/0xb0
[  209.217135][ T6674]  ? __x64_sys_mount+0x20/0xc0
[  209.217155][ T6674]  do_syscall_64+0xfa/0xfa0
[  209.217174][ T6674]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.217191][ T6674]  ? clear_bhb_loop+0x60/0xb0
[  209.217210][ T6674]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.217226][ T6674] RIP: 0033:0x7f432c19038a
[  209.217242][ T6674] 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
[  209.217258][ T6674] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.217278][ T6674] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  209.217290][ T6674] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  209.217302][ T6674] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  209.217313][ T6674] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  209.217325][ T6674] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  209.217344][ T6674]  </TASK>
[  209.217367][ T6674] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.532376][ T6674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.838038][ T6677] loop1: detected capacity change from 0 to 32768
[  209.857700][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.865191][ T6677] CPU: 1 UID: 0 PID: 6677 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  209.865215][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  209.865225][ T6677] Call Trace:
[  209.865232][ T6677]  <TASK>
[  209.865238][ T6677]  dump_stack_lvl+0x189/0x250
[  209.865265][ T6677]  ? __pfx_dump_stack_lvl+0x10/0x10
[  209.865283][ T6677]  ? __pfx__printk+0x10/0x10
[  209.865302][ T6677]  ? kernfs_root+0x1c/0x230
[  209.865320][ T6677]  ? kernfs_path_from_node+0x250/0x290
[  209.865333][ T6677]  ? kernfs_path_from_node+0x2f/0x290
[  209.865349][ T6677]  sysfs_create_dir_ns+0x259/0x280
[  209.865373][ T6677]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  209.865395][ T6677]  ? do_raw_spin_unlock+0x122/0x240
[  209.865414][ T6677]  kobject_add_internal+0x59f/0xb40
[  209.865439][ T6677]  kobject_init_and_add+0x125/0x190
[  209.865461][ T6677]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.865480][ T6677]  ? __raw_spin_lock_init+0x45/0x100
[  209.865495][ T6677]  ? __init_swait_queue_head+0xa9/0x150
[  209.865513][ T6677]  gfs2_sys_fs_add+0x234/0x450
[  209.865537][ T6677]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.865562][ T6677]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.865587][ T6677]  gfs2_fill_super+0x13c0/0x20d0
[  209.865610][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.865630][ T6677]  ? sb_set_blocksize+0x104/0x180
[  209.865650][ T6677]  ? setup_bdev_super+0x4c1/0x5b0
[  209.865670][ T6677]  get_tree_bdev_flags+0x40e/0x4d0
[  209.865687][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.865704][ T6677]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.865727][ T6677]  gfs2_get_tree+0x51/0x1e0
[  209.865744][ T6677]  vfs_get_tree+0x92/0x2b0
[  209.865763][ T6677]  do_new_mount+0x2a2/0xa30
[  209.865784][ T6677]  ? ns_capable+0x8a/0xf0
[  209.865806][ T6677]  ? __pfx_do_new_mount+0x10/0x10
[  209.865824][ T6677]  ? path_mount+0x61c/0xfe0
[  209.865841][ T6677]  ? user_path_at+0x44/0x60
[  209.865859][ T6677]  __se_sys_mount+0x317/0x410
[  209.865882][ T6677]  ? __pfx___se_sys_mount+0x10/0x10
[  209.865902][ T6677]  ? rcu_is_watching+0x15/0xb0
[  209.865925][ T6677]  ? __x64_sys_mount+0x20/0xc0
[  209.865945][ T6677]  do_syscall_64+0xfa/0xfa0
[  209.865966][ T6677]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.865982][ T6677]  ? clear_bhb_loop+0x60/0xb0
[  209.866000][ T6677]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.866016][ T6677] RIP: 0033:0x7f432c19038a
[  209.866032][ T6677] 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
[  209.866057][ T6677] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.866076][ T6677] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  209.866089][ T6677] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  209.866102][ T6677] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  209.866114][ T6677] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  209.866125][ T6677] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  209.866144][ T6677]  </TASK>
[  209.866165][ T6677] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.182883][ T6677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.482729][ T6680] loop1: detected capacity change from 0 to 32768
[  210.495761][ T6680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.503490][ T6680] CPU: 1 UID: 0 PID: 6680 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  210.503514][ T6680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.503526][ T6680] Call Trace:
[  210.503534][ T6680]  <TASK>
[  210.503542][ T6680]  dump_stack_lvl+0x189/0x250
[  210.503569][ T6680]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.503588][ T6680]  ? __pfx__printk+0x10/0x10
[  210.503616][ T6680]  ? kernfs_root+0x1c/0x230
[  210.503633][ T6680]  ? kernfs_path_from_node+0x250/0x290
[  210.503647][ T6680]  ? kernfs_path_from_node+0x2f/0x290
[  210.503663][ T6680]  sysfs_create_dir_ns+0x259/0x280
[  210.503687][ T6680]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.503710][ T6680]  ? do_raw_spin_unlock+0x122/0x240
[  210.503729][ T6680]  kobject_add_internal+0x59f/0xb40
[  210.503755][ T6680]  kobject_init_and_add+0x125/0x190
[  210.503777][ T6680]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.503803][ T6680]  ? __raw_spin_lock_init+0x45/0x100
[  210.503820][ T6680]  ? __init_swait_queue_head+0xa9/0x150
[  210.503838][ T6680]  gfs2_sys_fs_add+0x234/0x450
[  210.503861][ T6680]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.503886][ T6680]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.503911][ T6680]  gfs2_fill_super+0x13c0/0x20d0
[  210.503934][ T6680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.503953][ T6680]  ? sb_set_blocksize+0x104/0x180
[  210.503974][ T6680]  ? setup_bdev_super+0x4c1/0x5b0
[  210.503994][ T6680]  get_tree_bdev_flags+0x40e/0x4d0
[  210.504012][ T6680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.504029][ T6680]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.504051][ T6680]  gfs2_get_tree+0x51/0x1e0
[  210.504069][ T6680]  vfs_get_tree+0x92/0x2b0
[  210.504087][ T6680]  do_new_mount+0x2a2/0xa30
[  210.504109][ T6680]  ? ns_capable+0x8a/0xf0
[  210.504132][ T6680]  ? __pfx_do_new_mount+0x10/0x10
[  210.504150][ T6680]  ? path_mount+0x61c/0xfe0
[  210.504167][ T6680]  ? user_path_at+0x44/0x60
[  210.504197][ T6680]  __se_sys_mount+0x317/0x410
[  210.504219][ T6680]  ? __pfx___se_sys_mount+0x10/0x10
[  210.504241][ T6680]  ? rcu_is_watching+0x15/0xb0
[  210.504264][ T6680]  ? __x64_sys_mount+0x20/0xc0
[  210.504284][ T6680]  do_syscall_64+0xfa/0xfa0
[  210.504309][ T6680]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.504327][ T6680]  ? clear_bhb_loop+0x60/0xb0
[  210.504344][ T6680]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.504360][ T6680] RIP: 0033:0x7f432c19038a
[  210.504376][ T6680] 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
[  210.504392][ T6680] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.504412][ T6680] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  210.504425][ T6680] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  210.504437][ T6680] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  210.504449][ T6680] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  210.504461][ T6680] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  210.504480][ T6680]  </TASK>
[  210.504500][ T6680] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.819108][ T6680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.112603][ T6683] loop1: detected capacity change from 0 to 32768
[  211.128233][ T6683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.135974][ T6683] CPU: 1 UID: 0 PID: 6683 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  211.135997][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.136009][ T6683] Call Trace:
[  211.136015][ T6683]  <TASK>
[  211.136023][ T6683]  dump_stack_lvl+0x189/0x250
[  211.136047][ T6683]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.136072][ T6683]  ? __pfx__printk+0x10/0x10
[  211.136092][ T6683]  ? kernfs_root+0x1c/0x230
[  211.136110][ T6683]  ? kernfs_path_from_node+0x250/0x290
[  211.136124][ T6683]  ? kernfs_path_from_node+0x2f/0x290
[  211.136140][ T6683]  sysfs_create_dir_ns+0x259/0x280
[  211.136161][ T6683]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.136183][ T6683]  ? do_raw_spin_unlock+0x122/0x240
[  211.136200][ T6683]  kobject_add_internal+0x59f/0xb40
[  211.136222][ T6683]  kobject_init_and_add+0x125/0x190
[  211.136243][ T6683]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.136262][ T6683]  ? __raw_spin_lock_init+0x45/0x100
[  211.136278][ T6683]  ? __init_swait_queue_head+0xa9/0x150
[  211.136295][ T6683]  gfs2_sys_fs_add+0x234/0x450
[  211.136317][ T6683]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.136340][ T6683]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.136363][ T6683]  gfs2_fill_super+0x13c0/0x20d0
[  211.136386][ T6683]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.136403][ T6683]  ? sb_set_blocksize+0x104/0x180
[  211.136423][ T6683]  ? setup_bdev_super+0x4c1/0x5b0
[  211.136443][ T6683]  get_tree_bdev_flags+0x40e/0x4d0
[  211.136462][ T6683]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.136479][ T6683]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.136503][ T6683]  gfs2_get_tree+0x51/0x1e0
[  211.136521][ T6683]  vfs_get_tree+0x92/0x2b0
[  211.136539][ T6683]  do_new_mount+0x2a2/0xa30
[  211.136559][ T6683]  ? ns_capable+0x8a/0xf0
[  211.136655][ T6683]  ? __pfx_do_new_mount+0x10/0x10
[  211.136678][ T6683]  ? path_mount+0x61c/0xfe0
[  211.136694][ T6683]  ? user_path_at+0x44/0x60
[  211.136711][ T6683]  __se_sys_mount+0x317/0x410
[  211.136731][ T6683]  ? __pfx___se_sys_mount+0x10/0x10
[  211.136752][ T6683]  ? rcu_is_watching+0x15/0xb0
[  211.136773][ T6683]  ? __x64_sys_mount+0x20/0xc0
[  211.136792][ T6683]  do_syscall_64+0xfa/0xfa0
[  211.136809][ T6683]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.136825][ T6683]  ? clear_bhb_loop+0x60/0xb0
[  211.136841][ T6683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.136856][ T6683] RIP: 0033:0x7f432c19038a
[  211.136882][ T6683] 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
[  211.136898][ T6683] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.136916][ T6683] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  211.136928][ T6683] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  211.136939][ T6683] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  211.136951][ T6683] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  211.136962][ T6683] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  211.136981][ T6683]  </TASK>
[  211.137002][ T6683] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.452104][ T6683] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.747930][ T6686] loop1: detected capacity change from 0 to 32768
[  211.766794][ T6686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.774316][ T6686] CPU: 1 UID: 0 PID: 6686 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  211.774338][ T6686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.774349][ T6686] Call Trace:
[  211.774356][ T6686]  <TASK>
[  211.774363][ T6686]  dump_stack_lvl+0x189/0x250
[  211.774387][ T6686]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.774405][ T6686]  ? __pfx__printk+0x10/0x10
[  211.774424][ T6686]  ? kernfs_root+0x1c/0x230
[  211.774441][ T6686]  ? kernfs_path_from_node+0x250/0x290
[  211.774456][ T6686]  ? kernfs_path_from_node+0x2f/0x290
[  211.774484][ T6686]  sysfs_create_dir_ns+0x259/0x280
[  211.774500][ T6686]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.774519][ T6686]  ? do_raw_spin_unlock+0x122/0x240
[  211.774531][ T6686]  kobject_add_internal+0x59f/0xb40
[  211.774545][ T6686]  kobject_init_and_add+0x125/0x190
[  211.774558][ T6686]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.774569][ T6686]  ? __raw_spin_lock_init+0x45/0x100
[  211.774578][ T6686]  ? __init_swait_queue_head+0xa9/0x150
[  211.774588][ T6686]  gfs2_sys_fs_add+0x234/0x450
[  211.774602][ T6686]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.774616][ T6686]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.774630][ T6686]  gfs2_fill_super+0x13c0/0x20d0
[  211.774643][ T6686]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.774654][ T6686]  ? sb_set_blocksize+0x104/0x180
[  211.774667][ T6686]  ? setup_bdev_super+0x4c1/0x5b0
[  211.774679][ T6686]  get_tree_bdev_flags+0x40e/0x4d0
[  211.774690][ T6686]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.774700][ T6686]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.774713][ T6686]  gfs2_get_tree+0x51/0x1e0
[  211.774723][ T6686]  vfs_get_tree+0x92/0x2b0
[  211.774735][ T6686]  do_new_mount+0x2a2/0xa30
[  211.774747][ T6686]  ? ns_capable+0x8a/0xf0
[  211.774763][ T6686]  ? __pfx_do_new_mount+0x10/0x10
[  211.774775][ T6686]  ? path_mount+0x61c/0xfe0
[  211.774785][ T6686]  ? user_path_at+0x44/0x60
[  211.774796][ T6686]  __se_sys_mount+0x317/0x410
[  211.774809][ T6686]  ? __pfx___se_sys_mount+0x10/0x10
[  211.774822][ T6686]  ? rcu_is_watching+0x15/0xb0
[  211.774835][ T6686]  ? __x64_sys_mount+0x20/0xc0
[  211.774847][ T6686]  do_syscall_64+0xfa/0xfa0
[  211.774858][ T6686]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.774868][ T6686]  ? clear_bhb_loop+0x60/0xb0
[  211.774878][ T6686]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.774888][ T6686] RIP: 0033:0x7f432c19038a
[  211.774899][ T6686] 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
[  211.774908][ T6686] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.774919][ T6686] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  211.774927][ T6686] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  211.774934][ T6686] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  211.774941][ T6686] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  211.774948][ T6686] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  211.774958][ T6686]  </TASK>
[  211.774969][ T6686] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.090164][ T6686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.240826][   T51] Bluetooth: hci1: command 0x0406 tx timeout
[  212.389520][ T6689] loop1: detected capacity change from 0 to 32768
[  212.413842][ T6689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.422005][ T6689] CPU: 1 UID: 0 PID: 6689 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  212.422026][ T6689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.422038][ T6689] Call Trace:
[  212.422045][ T6689]  <TASK>
[  212.422053][ T6689]  dump_stack_lvl+0x189/0x250
[  212.422079][ T6689]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.422098][ T6689]  ? __pfx__printk+0x10/0x10
[  212.422118][ T6689]  ? kernfs_root+0x1c/0x230
[  212.422134][ T6689]  ? kernfs_path_from_node+0x250/0x290
[  212.422149][ T6689]  ? kernfs_path_from_node+0x2f/0x290
[  212.422166][ T6689]  sysfs_create_dir_ns+0x259/0x280
[  212.422189][ T6689]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.422212][ T6689]  ? do_raw_spin_unlock+0x122/0x240
[  212.422232][ T6689]  kobject_add_internal+0x59f/0xb40
[  212.422255][ T6689]  kobject_init_and_add+0x125/0x190
[  212.422276][ T6689]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.422296][ T6689]  ? __raw_spin_lock_init+0x45/0x100
[  212.422313][ T6689]  ? __init_swait_queue_head+0xa9/0x150
[  212.422332][ T6689]  gfs2_sys_fs_add+0x234/0x450
[  212.422354][ T6689]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.422379][ T6689]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.422417][ T6689]  gfs2_fill_super+0x13c0/0x20d0
[  212.422442][ T6689]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.422461][ T6689]  ? sb_set_blocksize+0x104/0x180
[  212.422483][ T6689]  ? setup_bdev_super+0x4c1/0x5b0
[  212.422503][ T6689]  get_tree_bdev_flags+0x40e/0x4d0
[  212.422522][ T6689]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.422539][ T6689]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.422561][ T6689]  gfs2_get_tree+0x51/0x1e0
[  212.422579][ T6689]  vfs_get_tree+0x92/0x2b0
[  212.422598][ T6689]  do_new_mount+0x2a2/0xa30
[  212.422620][ T6689]  ? ns_capable+0x8a/0xf0
[  212.422642][ T6689]  ? __pfx_do_new_mount+0x10/0x10
[  212.422660][ T6689]  ? path_mount+0x61c/0xfe0
[  212.422687][ T6689]  ? user_path_at+0x44/0x60
[  212.422706][ T6689]  __se_sys_mount+0x317/0x410
[  212.422728][ T6689]  ? __pfx___se_sys_mount+0x10/0x10
[  212.422750][ T6689]  ? rcu_is_watching+0x15/0xb0
[  212.422771][ T6689]  ? __x64_sys_mount+0x20/0xc0
[  212.422791][ T6689]  do_syscall_64+0xfa/0xfa0
[  212.422809][ T6689]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.422826][ T6689]  ? clear_bhb_loop+0x60/0xb0
[  212.422844][ T6689]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.422860][ T6689] RIP: 0033:0x7f432c19038a
[  212.422877][ T6689] 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
[  212.422892][ T6689] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.422911][ T6689] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  212.422925][ T6689] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  212.422937][ T6689] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  212.422949][ T6689] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  212.422961][ T6689] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  212.422981][ T6689]  </TASK>
[  212.422999][ T6689] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.739044][ T6689] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.026018][ T6692] loop1: detected capacity change from 0 to 32768
[  213.041001][ T6692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.048412][ T6692] CPU: 1 UID: 0 PID: 6692 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  213.048436][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.048448][ T6692] Call Trace:
[  213.048455][ T6692]  <TASK>
[  213.048462][ T6692]  dump_stack_lvl+0x189/0x250
[  213.048488][ T6692]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.048507][ T6692]  ? __pfx__printk+0x10/0x10
[  213.048527][ T6692]  ? kernfs_root+0x1c/0x230
[  213.048544][ T6692]  ? kernfs_path_from_node+0x250/0x290
[  213.048558][ T6692]  ? kernfs_path_from_node+0x2f/0x290
[  213.048574][ T6692]  sysfs_create_dir_ns+0x259/0x280
[  213.048597][ T6692]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.048620][ T6692]  ? do_raw_spin_unlock+0x122/0x240
[  213.048639][ T6692]  kobject_add_internal+0x59f/0xb40
[  213.048670][ T6692]  kobject_init_and_add+0x125/0x190
[  213.048691][ T6692]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.048710][ T6692]  ? __raw_spin_lock_init+0x45/0x100
[  213.048727][ T6692]  ? __init_swait_queue_head+0xa9/0x150
[  213.048745][ T6692]  gfs2_sys_fs_add+0x234/0x450
[  213.048768][ T6692]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.048791][ T6692]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.048814][ T6692]  gfs2_fill_super+0x13c0/0x20d0
[  213.048838][ T6692]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.048857][ T6692]  ? sb_set_blocksize+0x104/0x180
[  213.048878][ T6692]  ? setup_bdev_super+0x4c1/0x5b0
[  213.048898][ T6692]  get_tree_bdev_flags+0x40e/0x4d0
[  213.048916][ T6692]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.048933][ T6692]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.048956][ T6692]  gfs2_get_tree+0x51/0x1e0
[  213.048974][ T6692]  vfs_get_tree+0x92/0x2b0
[  213.048992][ T6692]  do_new_mount+0x2a2/0xa30
[  213.049013][ T6692]  ? ns_capable+0x8a/0xf0
[  213.049033][ T6692]  ? __pfx_do_new_mount+0x10/0x10
[  213.049052][ T6692]  ? path_mount+0x61c/0xfe0
[  213.049071][ T6692]  ? user_path_at+0x44/0x60
[  213.049089][ T6692]  __se_sys_mount+0x317/0x410
[  213.049111][ T6692]  ? __pfx___se_sys_mount+0x10/0x10
[  213.049131][ T6692]  ? rcu_is_watching+0x15/0xb0
[  213.049151][ T6692]  ? __x64_sys_mount+0x20/0xc0
[  213.049169][ T6692]  do_syscall_64+0xfa/0xfa0
[  213.049187][ T6692]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.049203][ T6692]  ? clear_bhb_loop+0x60/0xb0
[  213.049220][ T6692]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.049268][ T6692] RIP: 0033:0x7f432c19038a
[  213.049287][ T6692] 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
[  213.049301][ T6692] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.049321][ T6692] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  213.049335][ T6692] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  213.049346][ T6692] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  213.049357][ T6692] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.049369][ T6692] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  213.049388][ T6692]  </TASK>
[  213.049408][ T6692] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.365529][ T6692] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.656168][ T6695] loop1: detected capacity change from 0 to 32768
[  213.677293][ T6695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.695661][ T6695] CPU: 1 UID: 0 PID: 6695 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  213.695687][ T6695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.695699][ T6695] Call Trace:
[  213.695707][ T6695]  <TASK>
[  213.695715][ T6695]  dump_stack_lvl+0x189/0x250
[  213.695741][ T6695]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.695760][ T6695]  ? __pfx__printk+0x10/0x10
[  213.695780][ T6695]  ? kernfs_root+0x1c/0x230
[  213.695797][ T6695]  ? kernfs_path_from_node+0x250/0x290
[  213.695812][ T6695]  ? kernfs_path_from_node+0x2f/0x290
[  213.695828][ T6695]  sysfs_create_dir_ns+0x259/0x280
[  213.695851][ T6695]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.695873][ T6695]  ? do_raw_spin_unlock+0x122/0x240
[  213.695891][ T6695]  kobject_add_internal+0x59f/0xb40
[  213.695914][ T6695]  kobject_init_and_add+0x125/0x190
[  213.695935][ T6695]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.695954][ T6695]  ? __raw_spin_lock_init+0x45/0x100
[  213.695971][ T6695]  ? __init_swait_queue_head+0xa9/0x150
[  213.695989][ T6695]  gfs2_sys_fs_add+0x234/0x450
[  213.696012][ T6695]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.696036][ T6695]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.696065][ T6695]  gfs2_fill_super+0x13c0/0x20d0
[  213.696089][ T6695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.696108][ T6695]  ? sb_set_blocksize+0x104/0x180
[  213.696129][ T6695]  ? setup_bdev_super+0x4c1/0x5b0
[  213.696150][ T6695]  get_tree_bdev_flags+0x40e/0x4d0
[  213.696168][ T6695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.696185][ T6695]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.696208][ T6695]  gfs2_get_tree+0x51/0x1e0
[  213.696227][ T6695]  vfs_get_tree+0x92/0x2b0
[  213.696246][ T6695]  do_new_mount+0x2a2/0xa30
[  213.696266][ T6695]  ? ns_capable+0x8a/0xf0
[  213.696288][ T6695]  ? __pfx_do_new_mount+0x10/0x10
[  213.696306][ T6695]  ? path_mount+0x61c/0xfe0
[  213.696324][ T6695]  ? user_path_at+0x44/0x60
[  213.696342][ T6695]  __se_sys_mount+0x317/0x410
[  213.696365][ T6695]  ? __pfx___se_sys_mount+0x10/0x10
[  213.696386][ T6695]  ? rcu_is_watching+0x15/0xb0
[  213.696408][ T6695]  ? __x64_sys_mount+0x20/0xc0
[  213.696428][ T6695]  do_syscall_64+0xfa/0xfa0
[  213.696448][ T6695]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.696464][ T6695]  ? clear_bhb_loop+0x60/0xb0
[  213.696482][ T6695]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.696499][ T6695] RIP: 0033:0x7f432c19038a
[  213.696522][ T6695] 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
[  213.696536][ T6695] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.696555][ T6695] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  213.696569][ T6695] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  213.696583][ T6695] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  213.696595][ T6695] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.696608][ T6695] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  213.696627][ T6695]  </TASK>
[  213.696646][ T6695] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.013034][ T6695] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 09:38:39 executed programs: 205
[  214.309723][ T6698] loop1: detected capacity change from 0 to 32768
[  214.322002][ T6698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.329433][ T6698] CPU: 1 UID: 0 PID: 6698 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  214.329458][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.329471][ T6698] Call Trace:
[  214.329479][ T6698]  <TASK>
[  214.329486][ T6698]  dump_stack_lvl+0x189/0x250
[  214.329513][ T6698]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.329531][ T6698]  ? __pfx__printk+0x10/0x10
[  214.329550][ T6698]  ? kernfs_root+0x1c/0x230
[  214.329567][ T6698]  ? kernfs_path_from_node+0x250/0x290
[  214.329582][ T6698]  ? kernfs_path_from_node+0x2f/0x290
[  214.329598][ T6698]  sysfs_create_dir_ns+0x259/0x280
[  214.329621][ T6698]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.329642][ T6698]  ? do_raw_spin_unlock+0x122/0x240
[  214.329662][ T6698]  kobject_add_internal+0x59f/0xb40
[  214.329687][ T6698]  kobject_init_and_add+0x125/0x190
[  214.329709][ T6698]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.329727][ T6698]  ? __raw_spin_lock_init+0x45/0x100
[  214.329743][ T6698]  ? __init_swait_queue_head+0xa9/0x150
[  214.329761][ T6698]  gfs2_sys_fs_add+0x234/0x450
[  214.329785][ T6698]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.329810][ T6698]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.329833][ T6698]  gfs2_fill_super+0x13c0/0x20d0
[  214.329857][ T6698]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.329875][ T6698]  ? sb_set_blocksize+0x104/0x180
[  214.329896][ T6698]  ? setup_bdev_super+0x4c1/0x5b0
[  214.329916][ T6698]  get_tree_bdev_flags+0x40e/0x4d0
[  214.329935][ T6698]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.329949][ T6698]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.329970][ T6698]  gfs2_get_tree+0x51/0x1e0
[  214.329988][ T6698]  vfs_get_tree+0x92/0x2b0
[  214.330004][ T6698]  do_new_mount+0x2a2/0xa30
[  214.330022][ T6698]  ? ns_capable+0x8a/0xf0
[  214.330043][ T6698]  ? __pfx_do_new_mount+0x10/0x10
[  214.330061][ T6698]  ? path_mount+0x61c/0xfe0
[  214.330078][ T6698]  ? user_path_at+0x44/0x60
[  214.330097][ T6698]  __se_sys_mount+0x317/0x410
[  214.330119][ T6698]  ? __pfx___se_sys_mount+0x10/0x10
[  214.330140][ T6698]  ? rcu_is_watching+0x15/0xb0
[  214.330161][ T6698]  ? __x64_sys_mount+0x20/0xc0
[  214.330181][ T6698]  do_syscall_64+0xfa/0xfa0
[  214.330202][ T6698]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.330219][ T6698]  ? clear_bhb_loop+0x60/0xb0
[  214.330238][ T6698]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.330254][ T6698] RIP: 0033:0x7f432c19038a
[  214.330271][ T6698] 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
[  214.330286][ T6698] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.330305][ T6698] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  214.330317][ T6698] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  214.330329][ T6698] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  214.330341][ T6698] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  214.330352][ T6698] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  214.330381][ T6698]  </TASK>
[  214.330403][ T6698] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.646488][ T6698] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.958620][ T6701] loop1: detected capacity change from 0 to 32768
[  214.976087][ T6701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.984253][ T6701] CPU: 0 UID: 0 PID: 6701 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  214.984279][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.984290][ T6701] Call Trace:
[  214.984298][ T6701]  <TASK>
[  214.984305][ T6701]  dump_stack_lvl+0x189/0x250
[  214.984333][ T6701]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.984351][ T6701]  ? __pfx__printk+0x10/0x10
[  214.984370][ T6701]  ? kernfs_root+0x1c/0x230
[  214.984387][ T6701]  ? kernfs_path_from_node+0x250/0x290
[  214.984401][ T6701]  ? kernfs_path_from_node+0x2f/0x290
[  214.984418][ T6701]  sysfs_create_dir_ns+0x259/0x280
[  214.984443][ T6701]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.984466][ T6701]  ? do_raw_spin_unlock+0x122/0x240
[  214.984485][ T6701]  kobject_add_internal+0x59f/0xb40
[  214.984509][ T6701]  kobject_init_and_add+0x125/0x190
[  214.984538][ T6701]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.984557][ T6701]  ? __raw_spin_lock_init+0x45/0x100
[  214.984578][ T6701]  ? __init_swait_queue_head+0xa9/0x150
[  214.984596][ T6701]  gfs2_sys_fs_add+0x234/0x450
[  214.984619][ T6701]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.984643][ T6701]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.984666][ T6701]  gfs2_fill_super+0x13c0/0x20d0
[  214.984690][ T6701]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.984708][ T6701]  ? sb_set_blocksize+0x104/0x180
[  214.984729][ T6701]  ? setup_bdev_super+0x4c1/0x5b0
[  214.984749][ T6701]  get_tree_bdev_flags+0x40e/0x4d0
[  214.984768][ T6701]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.984792][ T6701]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.984815][ T6701]  gfs2_get_tree+0x51/0x1e0
[  214.984834][ T6701]  vfs_get_tree+0x92/0x2b0
[  214.984853][ T6701]  do_new_mount+0x2a2/0xa30
[  214.984874][ T6701]  ? ns_capable+0x8a/0xf0
[  214.984896][ T6701]  ? __pfx_do_new_mount+0x10/0x10
[  214.984913][ T6701]  ? path_mount+0x61c/0xfe0
[  214.984931][ T6701]  ? user_path_at+0x44/0x60
[  214.984947][ T6701]  __se_sys_mount+0x317/0x410
[  214.984967][ T6701]  ? __pfx___se_sys_mount+0x10/0x10
[  214.984987][ T6701]  ? rcu_is_watching+0x15/0xb0
[  214.985009][ T6701]  ? __x64_sys_mount+0x20/0xc0
[  214.985029][ T6701]  do_syscall_64+0xfa/0xfa0
[  214.985048][ T6701]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.985065][ T6701]  ? clear_bhb_loop+0x60/0xb0
[  214.985083][ T6701]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.985099][ T6701] RIP: 0033:0x7f432c19038a
[  214.985116][ T6701] 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
[  214.985131][ T6701] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.985151][ T6701] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  214.985165][ T6701] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  214.985179][ T6701] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  214.985191][ T6701] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  214.985204][ T6701] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  214.985223][ T6701]  </TASK>
[  214.985243][ T6701] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.301835][ T6701] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.609256][ T6704] loop1: detected capacity change from 0 to 32768
[  215.623409][ T6704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.634151][ T6704] CPU: 1 UID: 0 PID: 6704 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  215.634178][ T6704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.634191][ T6704] Call Trace:
[  215.634197][ T6704]  <TASK>
[  215.634204][ T6704]  dump_stack_lvl+0x189/0x250
[  215.634232][ T6704]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.634250][ T6704]  ? __pfx__printk+0x10/0x10
[  215.634269][ T6704]  ? kernfs_root+0x1c/0x230
[  215.634286][ T6704]  ? kernfs_path_from_node+0x250/0x290
[  215.634300][ T6704]  ? kernfs_path_from_node+0x2f/0x290
[  215.634316][ T6704]  sysfs_create_dir_ns+0x259/0x280
[  215.634341][ T6704]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.634361][ T6704]  ? do_raw_spin_unlock+0x122/0x240
[  215.634380][ T6704]  kobject_add_internal+0x59f/0xb40
[  215.634406][ T6704]  kobject_init_and_add+0x125/0x190
[  215.634428][ T6704]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.634447][ T6704]  ? __raw_spin_lock_init+0x45/0x100
[  215.634463][ T6704]  ? __init_swait_queue_head+0xa9/0x150
[  215.634480][ T6704]  gfs2_sys_fs_add+0x234/0x450
[  215.634503][ T6704]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.634533][ T6704]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.634555][ T6704]  gfs2_fill_super+0x13c0/0x20d0
[  215.634578][ T6704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.634596][ T6704]  ? sb_set_blocksize+0x104/0x180
[  215.634618][ T6704]  ? setup_bdev_super+0x4c1/0x5b0
[  215.634639][ T6704]  get_tree_bdev_flags+0x40e/0x4d0
[  215.634657][ T6704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.634691][ T6704]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.634714][ T6704]  gfs2_get_tree+0x51/0x1e0
[  215.634731][ T6704]  vfs_get_tree+0x92/0x2b0
[  215.634750][ T6704]  do_new_mount+0x2a2/0xa30
[  215.634772][ T6704]  ? ns_capable+0x8a/0xf0
[  215.634794][ T6704]  ? __pfx_do_new_mount+0x10/0x10
[  215.634813][ T6704]  ? path_mount+0x61c/0xfe0
[  215.634832][ T6704]  ? user_path_at+0x44/0x60
[  215.634849][ T6704]  __se_sys_mount+0x317/0x410
[  215.634872][ T6704]  ? __pfx___se_sys_mount+0x10/0x10
[  215.634892][ T6704]  ? rcu_is_watching+0x15/0xb0
[  215.634914][ T6704]  ? __x64_sys_mount+0x20/0xc0
[  215.634933][ T6704]  do_syscall_64+0xfa/0xfa0
[  215.634953][ T6704]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.634969][ T6704]  ? clear_bhb_loop+0x60/0xb0
[  215.634988][ T6704]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.635004][ T6704] RIP: 0033:0x7f432c19038a
[  215.635021][ T6704] 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
[  215.635036][ T6704] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.635057][ T6704] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  215.635070][ T6704] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  215.635083][ T6704] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  215.635094][ T6704] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.635106][ T6704] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  215.635125][ T6704]  </TASK>
[  215.635155][ T6704] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.952591][ T6704] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.257642][ T6707] loop1: detected capacity change from 0 to 32768
[  216.269766][ T6707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.277692][ T6707] CPU: 0 UID: 0 PID: 6707 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full) 
[  216.277718][ T6707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.277729][ T6707] Call Trace:
[  216.277736][ T6707]  <TASK>
[  216.277744][ T6707]  dump_stack_lvl+0x189/0x250
[  216.277771][ T6707]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.277790][ T6707]  ? __pfx__printk+0x10/0x10
[  216.277811][ T6707]  ? kernfs_root+0x1c/0x230
[  216.277828][ T6707]  ? kernfs_path_from_node+0x250/0x290
[  216.277841][ T6707]  ? kernfs_path_from_node+0x2f/0x290
[  216.277856][ T6707]  sysfs_create_dir_ns+0x259/0x280
[  216.277880][ T6707]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.277904][ T6707]  ? do_raw_spin_unlock+0x122/0x240
[  216.277924][ T6707]  kobject_add_internal+0x59f/0xb40
[  216.277949][ T6707]  kobject_init_and_add+0x125/0x190
[  216.277970][ T6707]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.277989][ T6707]  ? __raw_spin_lock_init+0x45/0x100
[  216.278005][ T6707]  ? __init_swait_queue_head+0xa9/0x150
[  216.278023][ T6707]  gfs2_sys_fs_add+0x234/0x450
[  216.278046][ T6707]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.278069][ T6707]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.278093][ T6707]  gfs2_fill_super+0x13c0/0x20d0
[  216.278118][ T6707]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.278138][ T6707]  ? sb_set_blocksize+0x104/0x180
[  216.278160][ T6707]  ? setup_bdev_super+0x4c1/0x5b0
[  216.278192][ T6707]  get_tree_bdev_flags+0x40e/0x4d0
[  216.278211][ T6707]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.278228][ T6707]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.278251][ T6707]  gfs2_get_tree+0x51/0x1e0
[  216.278269][ T6707]  vfs_get_tree+0x92/0x2b0
[  216.278287][ T6707]  do_new_mount+0x2a2/0xa30
[  216.278306][ T6707]  ? ns_capable+0x8a/0xf0
[  216.278326][ T6707]  ? __pfx_do_new_mount+0x10/0x10
[  216.278341][ T6707]  ? path_mount+0x61c/0xfe0
[  216.278356][ T6707]  ? user_path_at+0x44/0x60
[  216.278374][ T6707]  __se_sys_mount+0x317/0x410
[  216.278395][ T6707]  ? __pfx___se_sys_mount+0x10/0x10
[  216.278416][ T6707]  ? rcu_is_watching+0x15/0xb0
[  216.278438][ T6707]  ? __x64_sys_mount+0x20/0xc0
[  216.278459][ T6707]  do_syscall_64+0xfa/0xfa0
[  216.278479][ T6707]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.278495][ T6707]  ? clear_bhb_loop+0x60/0xb0
[  216.278513][ T6707]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.278529][ T6707] RIP: 0033:0x7f432c19038a
[  216.278545][ T6707] 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
[  216.278560][ T6707] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.278579][ T6707] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  216.278592][ T6707] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  216.278604][ T6707] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  216.278615][ T6707] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  216.278627][ T6707] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  216.278645][ T6707]  </TASK>
[  216.278666][ T6707] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.595553][ T6707] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.902042][ T6710] loop1: detected capacity change from 0 to 32768
[  216.922998][ T6710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.930413][ T6710] CPU: 1 UID: 0 PID: 6710 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full) 
[  216.930440][ T6710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.930453][ T6710] Call Trace:
[  216.930460][ T6710]  <TASK>
[  216.930468][ T6710]  dump_stack_lvl+0x189/0x250
[  216.930496][ T6710]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.930515][ T6710]  ? __pfx__printk+0x10/0x10
[  216.930535][ T6710]  ? kernfs_root+0x1c/0x230
[  216.930554][ T6710]  ? kernfs_path_from_node+0x250/0x290
[  216.930569][ T6710]  ? kernfs_path_from_node+0x2f/0x290
[  216.930586][ T6710]  sysfs_create_dir_ns+0x259/0x280
[  216.930614][ T6710]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.930633][ T6710]  ? do_raw_spin_unlock+0x122/0x240
[  216.930651][ T6710]  kobject_add_internal+0x59f/0xb40
[  216.930677][ T6710]  kobject_init_and_add+0x125/0x190
[  216.930699][ T6710]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.930719][ T6710]  ? __raw_spin_lock_init+0x45/0x100
[  216.930737][ T6710]  ? __init_swait_queue_head+0xa9/0x150
[  216.930755][ T6710]  gfs2_sys_fs_add+0x234/0x450
[  216.930779][ T6710]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.930803][ T6710]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.930827][ T6710]  gfs2_fill_super+0x13c0/0x20d0
[  216.930852][ T6710]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.930872][ T6710]  ? sb_set_blocksize+0x104/0x180
[  216.930895][ T6710]  ? setup_bdev_super+0x4c1/0x5b0
[  216.930914][ T6710]  get_tree_bdev_flags+0x40e/0x4d0
[  216.930930][ T6710]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.930946][ T6710]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.930970][ T6710]  gfs2_get_tree+0x51/0x1e0
[  216.930989][ T6710]  vfs_get_tree+0x92/0x2b0
[  216.931008][ T6710]  do_new_mount+0x2a2/0xa30
[  216.931031][ T6710]  ? ns_capable+0x8a/0xf0
[  216.931050][ T6710]  ? __pfx_do_new_mount+0x10/0x10
[  216.931065][ T6710]  ? path_mount+0x61c/0xfe0
[  216.931081][ T6710]  ? user_path_at+0x44/0x60
[  216.931098][ T6710]  __se_sys_mount+0x317/0x410
[  216.931119][ T6710]  ? __pfx___se_sys_mount+0x10/0x10
[  216.931140][ T6710]  ? rcu_is_watching+0x15/0xb0
[  216.931162][ T6710]  ? __x64_sys_mount+0x20/0xc0
[  216.931181][ T6710]  do_syscall_64+0xfa/0xfa0
[  216.931200][ T6710]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.931215][ T6710]  ? clear_bhb_loop+0x60/0xb0
[  216.931232][ T6710]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.931247][ T6710] RIP: 0033:0x7f432c19038a
[  216.931262][ T6710] 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
[  216.931276][ T6710] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.931295][ T6710] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  216.931308][ T6710] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  216.931322][ T6710] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  216.931335][ T6710] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  216.931347][ T6710] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  216.931374][ T6710]  </TASK>
[  217.231710][ T6710] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.245812][ T6710] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.541594][ T6713] loop1: detected capacity change from 0 to 32768
[  217.552872][ T6713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.560393][ T6713] CPU: 0 UID: 0 PID: 6713 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT(full) 
[  217.560417][ T6713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.560430][ T6713] Call Trace:
[  217.560438][ T6713]  <TASK>
[  217.560446][ T6713]  dump_stack_lvl+0x189/0x250
[  217.560473][ T6713]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.560491][ T6713]  ? __pfx__printk+0x10/0x10
[  217.560511][ T6713]  ? kernfs_root+0x1c/0x230
[  217.560529][ T6713]  ? kernfs_path_from_node+0x250/0x290
[  217.560543][ T6713]  ? kernfs_path_from_node+0x2f/0x290
[  217.560559][ T6713]  sysfs_create_dir_ns+0x259/0x280
[  217.560583][ T6713]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.560606][ T6713]  ? do_raw_spin_unlock+0x122/0x240
[  217.560627][ T6713]  kobject_add_internal+0x59f/0xb40
[  217.560650][ T6713]  kobject_init_and_add+0x125/0x190
[  217.560669][ T6713]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.560687][ T6713]  ? __raw_spin_lock_init+0x45/0x100
[  217.560704][ T6713]  ? __init_swait_queue_head+0xa9/0x150
[  217.560722][ T6713]  gfs2_sys_fs_add+0x234/0x450
[  217.560747][ T6713]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.560770][ T6713]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.560793][ T6713]  gfs2_fill_super+0x13c0/0x20d0
[  217.560819][ T6713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.560838][ T6713]  ? sb_set_blocksize+0x104/0x180
[  217.560861][ T6713]  ? setup_bdev_super+0x4c1/0x5b0
[  217.560882][ T6713]  get_tree_bdev_flags+0x40e/0x4d0
[  217.560900][ T6713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.560916][ T6713]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.560936][ T6713]  gfs2_get_tree+0x51/0x1e0
[  217.560953][ T6713]  vfs_get_tree+0x92/0x2b0
[  217.560970][ T6713]  do_new_mount+0x2a2/0xa30
[  217.560993][ T6713]  ? ns_capable+0x8a/0xf0
[  217.561014][ T6713]  ? __pfx_do_new_mount+0x10/0x10
[  217.561032][ T6713]  ? path_mount+0x61c/0xfe0
[  217.561050][ T6713]  ? user_path_at+0x44/0x60
[  217.561069][ T6713]  __se_sys_mount+0x317/0x410
[  217.561090][ T6713]  ? __pfx___se_sys_mount+0x10/0x10
[  217.561112][ T6713]  ? rcu_is_watching+0x15/0xb0
[  217.561134][ T6713]  ? __x64_sys_mount+0x20/0xc0
[  217.561154][ T6713]  do_syscall_64+0xfa/0xfa0
[  217.561174][ T6713]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.561192][ T6713]  ? clear_bhb_loop+0x60/0xb0
[  217.561220][ T6713]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.561237][ T6713] RIP: 0033:0x7f432c19038a
[  217.561253][ T6713] 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
[  217.561267][ T6713] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.561287][ T6713] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  217.561299][ T6713] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  217.561310][ T6713] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  217.561321][ T6713] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.561332][ T6713] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  217.561352][ T6713]  </TASK>
[  217.861178][ T6713] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.875595][ T6713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.165466][ T6716] loop1: detected capacity change from 0 to 32768
[  218.177293][ T6716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.185135][ T6716] CPU: 1 UID: 0 PID: 6716 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
[  218.185157][ T6716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.185168][ T6716] Call Trace:
[  218.185175][ T6716]  <TASK>
[  218.185181][ T6716]  dump_stack_lvl+0x189/0x250
[  218.185206][ T6716]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.185225][ T6716]  ? __pfx__printk+0x10/0x10
[  218.185244][ T6716]  ? kernfs_root+0x1c/0x230
[  218.185260][ T6716]  ? kernfs_path_from_node+0x250/0x290
[  218.185274][ T6716]  ? kernfs_path_from_node+0x2f/0x290
[  218.185290][ T6716]  sysfs_create_dir_ns+0x259/0x280
[  218.185314][ T6716]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.185335][ T6716]  ? do_raw_spin_unlock+0x122/0x240
[  218.185352][ T6716]  kobject_add_internal+0x59f/0xb40
[  218.185372][ T6716]  kobject_init_and_add+0x125/0x190
[  218.185393][ T6716]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.185417][ T6716]  ? __raw_spin_lock_init+0x45/0x100
[  218.185432][ T6716]  ? __init_swait_queue_head+0xa9/0x150
[  218.185449][ T6716]  gfs2_sys_fs_add+0x234/0x450
[  218.185471][ T6716]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.185493][ T6716]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.185516][ T6716]  gfs2_fill_super+0x13c0/0x20d0
[  218.185540][ T6716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.185559][ T6716]  ? sb_set_blocksize+0x104/0x180
[  218.185580][ T6716]  ? setup_bdev_super+0x4c1/0x5b0
[  218.185599][ T6716]  get_tree_bdev_flags+0x40e/0x4d0
[  218.185615][ T6716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.185631][ T6716]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.185652][ T6716]  gfs2_get_tree+0x51/0x1e0
[  218.185669][ T6716]  vfs_get_tree+0x92/0x2b0
[  218.185686][ T6716]  do_new_mount+0x2a2/0xa30
[  218.185704][ T6716]  ? ns_capable+0x8a/0xf0
[  218.185725][ T6716]  ? __pfx_do_new_mount+0x10/0x10
[  218.185743][ T6716]  ? path_mount+0x61c/0xfe0
[  218.185761][ T6716]  ? user_path_at+0x44/0x60
[  218.185779][ T6716]  __se_sys_mount+0x317/0x410
[  218.185799][ T6716]  ? __pfx___se_sys_mount+0x10/0x10
[  218.185830][ T6716]  ? rcu_is_watching+0x15/0xb0
[  218.185851][ T6716]  ? __x64_sys_mount+0x20/0xc0
[  218.185871][ T6716]  do_syscall_64+0xfa/0xfa0
[  218.185889][ T6716]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.185905][ T6716]  ? clear_bhb_loop+0x60/0xb0
[  218.185923][ T6716]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.185939][ T6716] RIP: 0033:0x7f432c19038a
[  218.185955][ T6716] 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
[  218.185969][ T6716] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.185988][ T6716] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  218.186002][ T6716] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  218.186015][ T6716] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  218.186025][ T6716] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  218.186036][ T6716] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  218.186054][ T6716]  </TASK>
[  218.186443][ T6716] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.501723][ T6716] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.790421][ T6719] loop1: detected capacity change from 0 to 32768
[  218.812939][ T6719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.820458][ T6719] CPU: 1 UID: 0 PID: 6719 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT(full) 
[  218.820505][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.820529][ T6719] Call Trace:
[  218.820537][ T6719]  <TASK>
[  218.820544][ T6719]  dump_stack_lvl+0x189/0x250
[  218.820569][ T6719]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.820588][ T6719]  ? __pfx__printk+0x10/0x10
[  218.820613][ T6719]  ? kernfs_root+0x1c/0x230
[  218.820627][ T6719]  ? kernfs_path_from_node+0x250/0x290
[  218.820639][ T6719]  ? kernfs_path_from_node+0x2f/0x290
[  218.820655][ T6719]  sysfs_create_dir_ns+0x259/0x280
[  218.820678][ T6719]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.820701][ T6719]  ? do_raw_spin_unlock+0x122/0x240
[  218.820719][ T6719]  kobject_add_internal+0x59f/0xb40
[  218.820743][ T6719]  kobject_init_and_add+0x125/0x190
[  218.820765][ T6719]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.820785][ T6719]  ? __raw_spin_lock_init+0x45/0x100
[  218.820884][ T6719]  ? __init_swait_queue_head+0xa9/0x150
[  218.820902][ T6719]  gfs2_sys_fs_add+0x234/0x450
[  218.820924][ T6719]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.820947][ T6719]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.820970][ T6719]  gfs2_fill_super+0x13c0/0x20d0
[  218.820994][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.821013][ T6719]  ? sb_set_blocksize+0x104/0x180
[  218.821035][ T6719]  ? setup_bdev_super+0x4c1/0x5b0
[  218.821059][ T6719]  get_tree_bdev_flags+0x40e/0x4d0
[  218.821078][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.821095][ T6719]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.821118][ T6719]  gfs2_get_tree+0x51/0x1e0
[  218.821137][ T6719]  vfs_get_tree+0x92/0x2b0
[  218.821157][ T6719]  do_new_mount+0x2a2/0xa30
[  218.821178][ T6719]  ? ns_capable+0x8a/0xf0
[  218.821199][ T6719]  ? __pfx_do_new_mount+0x10/0x10
[  218.821217][ T6719]  ? path_mount+0x61c/0xfe0
[  218.821234][ T6719]  ? user_path_at+0x44/0x60
[  218.821253][ T6719]  __se_sys_mount+0x317/0x410
[  218.821276][ T6719]  ? __pfx___se_sys_mount+0x10/0x10
[  218.821297][ T6719]  ? rcu_is_watching+0x15/0xb0
[  218.821318][ T6719]  ? __x64_sys_mount+0x20/0xc0
[  218.821338][ T6719]  do_syscall_64+0xfa/0xfa0
[  218.821358][ T6719]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.821374][ T6719]  ? clear_bhb_loop+0x60/0xb0
[  218.821393][ T6719]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.821410][ T6719] RIP: 0033:0x7f432c19038a
[  218.821426][ T6719] 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
[  218.821441][ T6719] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.821460][ T6719] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  218.821473][ T6719] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  218.821486][ T6719] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  218.821498][ T6719] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  218.821510][ T6719] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  218.821530][ T6719]  </TASK>
[  219.122395][ T6719] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.136363][ T6719] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 09:38:44 executed programs: 213
[  219.434148][ T6722] loop1: detected capacity change from 0 to 32768
[  219.448703][ T6722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.456960][ T6722] CPU: 0 UID: 0 PID: 6722 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT(full) 
[  219.456985][ T6722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.456996][ T6722] Call Trace:
[  219.457004][ T6722]  <TASK>
[  219.457012][ T6722]  dump_stack_lvl+0x189/0x250
[  219.457040][ T6722]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.457059][ T6722]  ? __pfx__printk+0x10/0x10
[  219.457093][ T6722]  ? kernfs_root+0x1c/0x230
[  219.457110][ T6722]  ? kernfs_path_from_node+0x250/0x290
[  219.457125][ T6722]  ? kernfs_path_from_node+0x2f/0x290
[  219.457141][ T6722]  sysfs_create_dir_ns+0x259/0x280
[  219.457166][ T6722]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.457189][ T6722]  ? do_raw_spin_unlock+0x122/0x240
[  219.457209][ T6722]  kobject_add_internal+0x59f/0xb40
[  219.457232][ T6722]  kobject_init_and_add+0x125/0x190
[  219.457253][ T6722]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.457271][ T6722]  ? __raw_spin_lock_init+0x45/0x100
[  219.457287][ T6722]  ? __init_swait_queue_head+0xa9/0x150
[  219.457305][ T6722]  gfs2_sys_fs_add+0x234/0x450
[  219.457328][ T6722]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.457354][ T6722]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.457377][ T6722]  gfs2_fill_super+0x13c0/0x20d0
[  219.457401][ T6722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.457420][ T6722]  ? sb_set_blocksize+0x104/0x180
[  219.457441][ T6722]  ? setup_bdev_super+0x4c1/0x5b0
[  219.457461][ T6722]  get_tree_bdev_flags+0x40e/0x4d0
[  219.457480][ T6722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.457498][ T6722]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.457521][ T6722]  gfs2_get_tree+0x51/0x1e0
[  219.457539][ T6722]  vfs_get_tree+0x92/0x2b0
[  219.457558][ T6722]  do_new_mount+0x2a2/0xa30
[  219.457579][ T6722]  ? ns_capable+0x8a/0xf0
[  219.457600][ T6722]  ? __pfx_do_new_mount+0x10/0x10
[  219.457617][ T6722]  ? path_mount+0x61c/0xfe0
[  219.457635][ T6722]  ? user_path_at+0x44/0x60
[  219.457654][ T6722]  __se_sys_mount+0x317/0x410
[  219.457675][ T6722]  ? __pfx___se_sys_mount+0x10/0x10
[  219.457696][ T6722]  ? rcu_is_watching+0x15/0xb0
[  219.457718][ T6722]  ? __x64_sys_mount+0x20/0xc0
[  219.457738][ T6722]  do_syscall_64+0xfa/0xfa0
[  219.457758][ T6722]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.457773][ T6722]  ? clear_bhb_loop+0x60/0xb0
[  219.457791][ T6722]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.457807][ T6722] RIP: 0033:0x7f432c19038a
[  219.457824][ T6722] 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
[  219.457853][ T6722] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.457874][ T6722] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  219.457887][ T6722] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  219.457899][ T6722] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  219.457911][ T6722] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.457922][ T6722] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  219.457939][ T6722]  </TASK>
[  219.457960][ T6722] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.775148][ T6722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.083133][ T6725] loop1: detected capacity change from 0 to 32768
[  220.094956][ T6725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.102685][ T6725] CPU: 1 UID: 0 PID: 6725 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT(full) 
[  220.102710][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.102721][ T6725] Call Trace:
[  220.102729][ T6725]  <TASK>
[  220.102737][ T6725]  dump_stack_lvl+0x189/0x250
[  220.102764][ T6725]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.102781][ T6725]  ? __pfx__printk+0x10/0x10
[  220.102811][ T6725]  ? kernfs_root+0x1c/0x230
[  220.102829][ T6725]  ? kernfs_path_from_node+0x250/0x290
[  220.102845][ T6725]  ? kernfs_path_from_node+0x2f/0x290
[  220.102862][ T6725]  sysfs_create_dir_ns+0x259/0x280
[  220.102886][ T6725]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.102909][ T6725]  ? do_raw_spin_unlock+0x122/0x240
[  220.102927][ T6725]  kobject_add_internal+0x59f/0xb40
[  220.102951][ T6725]  kobject_init_and_add+0x125/0x190
[  220.102971][ T6725]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.102990][ T6725]  ? __raw_spin_lock_init+0x45/0x100
[  220.103007][ T6725]  ? __init_swait_queue_head+0xa9/0x150
[  220.103025][ T6725]  gfs2_sys_fs_add+0x234/0x450
[  220.103047][ T6725]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.103071][ T6725]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.103094][ T6725]  gfs2_fill_super+0x13c0/0x20d0
[  220.103118][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.103137][ T6725]  ? sb_set_blocksize+0x104/0x180
[  220.103158][ T6725]  ? setup_bdev_super+0x4c1/0x5b0
[  220.103178][ T6725]  get_tree_bdev_flags+0x40e/0x4d0
[  220.103195][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.103213][ T6725]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.103237][ T6725]  gfs2_get_tree+0x51/0x1e0
[  220.103255][ T6725]  vfs_get_tree+0x92/0x2b0
[  220.103273][ T6725]  do_new_mount+0x2a2/0xa30
[  220.103294][ T6725]  ? ns_capable+0x8a/0xf0
[  220.103316][ T6725]  ? __pfx_do_new_mount+0x10/0x10
[  220.103334][ T6725]  ? path_mount+0x61c/0xfe0
[  220.103350][ T6725]  ? user_path_at+0x44/0x60
[  220.103369][ T6725]  __se_sys_mount+0x317/0x410
[  220.103391][ T6725]  ? __pfx___se_sys_mount+0x10/0x10
[  220.103411][ T6725]  ? rcu_is_watching+0x15/0xb0
[  220.103433][ T6725]  ? __x64_sys_mount+0x20/0xc0
[  220.103453][ T6725]  do_syscall_64+0xfa/0xfa0
[  220.103472][ T6725]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.103489][ T6725]  ? clear_bhb_loop+0x60/0xb0
[  220.103506][ T6725]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.103522][ T6725] RIP: 0033:0x7f432c19038a
[  220.103539][ T6725] 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
[  220.103554][ T6725] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.103575][ T6725] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  220.103589][ T6725] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  220.103602][ T6725] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  220.103614][ T6725] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.103625][ T6725] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  220.103644][ T6725]  </TASK>
[  220.103663][ T6725] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.419713][ T6725] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.730876][ T6728] loop1: detected capacity change from 0 to 32768
[  220.747775][ T6728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.755562][ T6728] CPU: 1 UID: 0 PID: 6728 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT(full) 
[  220.755587][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.755598][ T6728] Call Trace:
[  220.755606][ T6728]  <TASK>
[  220.755614][ T6728]  dump_stack_lvl+0x189/0x250
[  220.755642][ T6728]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.755661][ T6728]  ? __pfx__printk+0x10/0x10
[  220.755681][ T6728]  ? kernfs_root+0x1c/0x230
[  220.755698][ T6728]  ? kernfs_path_from_node+0x250/0x290
[  220.755712][ T6728]  ? kernfs_path_from_node+0x2f/0x290
[  220.755728][ T6728]  sysfs_create_dir_ns+0x259/0x280
[  220.755751][ T6728]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.755774][ T6728]  ? do_raw_spin_unlock+0x122/0x240
[  220.755804][ T6728]  kobject_add_internal+0x59f/0xb40
[  220.755830][ T6728]  kobject_init_and_add+0x125/0x190
[  220.755851][ T6728]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.755870][ T6728]  ? __raw_spin_lock_init+0x45/0x100
[  220.755888][ T6728]  ? __init_swait_queue_head+0xa9/0x150
[  220.755906][ T6728]  gfs2_sys_fs_add+0x234/0x450
[  220.755928][ T6728]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.755952][ T6728]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.755976][ T6728]  gfs2_fill_super+0x13c0/0x20d0
[  220.756001][ T6728]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.756020][ T6728]  ? sb_set_blocksize+0x104/0x180
[  220.756041][ T6728]  ? setup_bdev_super+0x4c1/0x5b0
[  220.756066][ T6728]  get_tree_bdev_flags+0x40e/0x4d0
[  220.756084][ T6728]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.756101][ T6728]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.756122][ T6728]  gfs2_get_tree+0x51/0x1e0
[  220.756140][ T6728]  vfs_get_tree+0x92/0x2b0
[  220.756159][ T6728]  do_new_mount+0x2a2/0xa30
[  220.756181][ T6728]  ? ns_capable+0x8a/0xf0
[  220.756203][ T6728]  ? __pfx_do_new_mount+0x10/0x10
[  220.756221][ T6728]  ? path_mount+0x61c/0xfe0
[  220.756239][ T6728]  ? user_path_at+0x44/0x60
[  220.756258][ T6728]  __se_sys_mount+0x317/0x410
[  220.756279][ T6728]  ? __pfx___se_sys_mount+0x10/0x10
[  220.756298][ T6728]  ? rcu_is_watching+0x15/0xb0
[  220.756319][ T6728]  ? __x64_sys_mount+0x20/0xc0
[  220.756340][ T6728]  do_syscall_64+0xfa/0xfa0
[  220.756360][ T6728]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.756377][ T6728]  ? clear_bhb_loop+0x60/0xb0
[  220.756396][ T6728]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.756411][ T6728] RIP: 0033:0x7f432c19038a
[  220.756429][ T6728] 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
[  220.756443][ T6728] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.756462][ T6728] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  220.756475][ T6728] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  220.756488][ T6728] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  220.756499][ T6728] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.756510][ T6728] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  220.756528][ T6728]  </TASK>
[  220.756549][ T6728] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.071888][ T6728] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.398054][ T6731] loop1: detected capacity change from 0 to 32768
[  221.422257][ T6731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.429697][ T6731] CPU: 0 UID: 0 PID: 6731 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT(full) 
[  221.429724][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.429737][ T6731] Call Trace:
[  221.429744][ T6731]  <TASK>
[  221.429752][ T6731]  dump_stack_lvl+0x189/0x250
[  221.429780][ T6731]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.429798][ T6731]  ? __pfx__printk+0x10/0x10
[  221.429818][ T6731]  ? kernfs_root+0x1c/0x230
[  221.429837][ T6731]  ? kernfs_path_from_node+0x250/0x290
[  221.429852][ T6731]  ? kernfs_path_from_node+0x2f/0x290
[  221.429869][ T6731]  sysfs_create_dir_ns+0x259/0x280
[  221.429893][ T6731]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.429923][ T6731]  ? do_raw_spin_unlock+0x122/0x240
[  221.429943][ T6731]  kobject_add_internal+0x59f/0xb40
[  221.429968][ T6731]  kobject_init_and_add+0x125/0x190
[  221.429990][ T6731]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.430010][ T6731]  ? __raw_spin_lock_init+0x45/0x100
[  221.430028][ T6731]  ? __init_swait_queue_head+0xa9/0x150
[  221.430046][ T6731]  gfs2_sys_fs_add+0x234/0x450
[  221.430068][ T6731]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.430093][ T6731]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.430117][ T6731]  gfs2_fill_super+0x13c0/0x20d0
[  221.430142][ T6731]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.430160][ T6731]  ? sb_set_blocksize+0x104/0x180
[  221.430180][ T6731]  ? setup_bdev_super+0x4c1/0x5b0
[  221.430199][ T6731]  get_tree_bdev_flags+0x40e/0x4d0
[  221.430218][ T6731]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.430236][ T6731]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.430260][ T6731]  gfs2_get_tree+0x51/0x1e0
[  221.430278][ T6731]  vfs_get_tree+0x92/0x2b0
[  221.430295][ T6731]  do_new_mount+0x2a2/0xa30
[  221.430316][ T6731]  ? ns_capable+0x8a/0xf0
[  221.430337][ T6731]  ? __pfx_do_new_mount+0x10/0x10
[  221.430354][ T6731]  ? path_mount+0x61c/0xfe0
[  221.430371][ T6731]  ? user_path_at+0x44/0x60
[  221.430390][ T6731]  __se_sys_mount+0x317/0x410
[  221.430411][ T6731]  ? __pfx___se_sys_mount+0x10/0x10
[  221.430431][ T6731]  ? rcu_is_watching+0x15/0xb0
[  221.430453][ T6731]  ? __x64_sys_mount+0x20/0xc0
[  221.430473][ T6731]  do_syscall_64+0xfa/0xfa0
[  221.430494][ T6731]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.430511][ T6731]  ? clear_bhb_loop+0x60/0xb0
[  221.430530][ T6731]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.430546][ T6731] RIP: 0033:0x7f432c19038a
[  221.430563][ T6731] 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
[  221.430578][ T6731] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.430599][ T6731] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  221.430615][ T6731] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  221.430625][ T6731] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  221.430635][ T6731] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  221.430645][ T6731] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  221.430662][ T6731]  </TASK>
[  221.731746][ T6731] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.745908][ T6731] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.064234][ T6734] loop1: detected capacity change from 0 to 32768
[  222.073679][ T6734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.082407][ T6734] CPU: 0 UID: 0 PID: 6734 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full) 
[  222.082431][ T6734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.082443][ T6734] Call Trace:
[  222.082450][ T6734]  <TASK>
[  222.082458][ T6734]  dump_stack_lvl+0x189/0x250
[  222.082485][ T6734]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.082503][ T6734]  ? __pfx__printk+0x10/0x10
[  222.082523][ T6734]  ? kernfs_root+0x1c/0x230
[  222.082540][ T6734]  ? kernfs_path_from_node+0x250/0x290
[  222.082552][ T6734]  ? kernfs_path_from_node+0x2f/0x290
[  222.082569][ T6734]  sysfs_create_dir_ns+0x259/0x280
[  222.082593][ T6734]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.082614][ T6734]  ? do_raw_spin_unlock+0x122/0x240
[  222.082633][ T6734]  kobject_add_internal+0x59f/0xb40
[  222.082657][ T6734]  kobject_init_and_add+0x125/0x190
[  222.082680][ T6734]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.082700][ T6734]  ? __raw_spin_lock_init+0x45/0x100
[  222.082716][ T6734]  ? __init_swait_queue_head+0xa9/0x150
[  222.082733][ T6734]  gfs2_sys_fs_add+0x234/0x450
[  222.082755][ T6734]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.082778][ T6734]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.082810][ T6734]  gfs2_fill_super+0x13c0/0x20d0
[  222.082834][ T6734]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.082852][ T6734]  ? sb_set_blocksize+0x104/0x180
[  222.082874][ T6734]  ? setup_bdev_super+0x4c1/0x5b0
[  222.082894][ T6734]  get_tree_bdev_flags+0x40e/0x4d0
[  222.082913][ T6734]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.082930][ T6734]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.082953][ T6734]  gfs2_get_tree+0x51/0x1e0
[  222.082970][ T6734]  vfs_get_tree+0x92/0x2b0
[  222.082988][ T6734]  do_new_mount+0x2a2/0xa30
[  222.083011][ T6734]  ? ns_capable+0x8a/0xf0
[  222.083034][ T6734]  ? __pfx_do_new_mount+0x10/0x10
[  222.083053][ T6734]  ? path_mount+0x61c/0xfe0
[  222.083071][ T6734]  ? user_path_at+0x44/0x60
[  222.083089][ T6734]  __se_sys_mount+0x317/0x410
[  222.083110][ T6734]  ? __pfx___se_sys_mount+0x10/0x10
[  222.083130][ T6734]  ? rcu_is_watching+0x15/0xb0
[  222.083152][ T6734]  ? __x64_sys_mount+0x20/0xc0
[  222.083172][ T6734]  do_syscall_64+0xfa/0xfa0
[  222.083192][ T6734]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.083209][ T6734]  ? clear_bhb_loop+0x60/0xb0
[  222.083227][ T6734]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.083243][ T6734] RIP: 0033:0x7f432c19038a
[  222.083260][ T6734] 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
[  222.083275][ T6734] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.083295][ T6734] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  222.083306][ T6734] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  222.083317][ T6734] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  222.083329][ T6734] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  222.083340][ T6734] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  222.083358][ T6734]  </TASK>
[  222.083378][ T6734] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.399990][ T6734] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.708098][ T6737] loop1: detected capacity change from 0 to 32768
[  222.717458][ T6737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.725425][ T6737] CPU: 0 UID: 0 PID: 6737 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT(full) 
[  222.725450][ T6737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.725461][ T6737] Call Trace:
[  222.725469][ T6737]  <TASK>
[  222.725488][ T6737]  dump_stack_lvl+0x189/0x250
[  222.725514][ T6737]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.725532][ T6737]  ? __pfx__printk+0x10/0x10
[  222.725551][ T6737]  ? kernfs_root+0x1c/0x230
[  222.725567][ T6737]  ? kernfs_path_from_node+0x250/0x290
[  222.725580][ T6737]  ? kernfs_path_from_node+0x2f/0x290
[  222.725595][ T6737]  sysfs_create_dir_ns+0x259/0x280
[  222.725618][ T6737]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.725640][ T6737]  ? do_raw_spin_unlock+0x122/0x240
[  222.725660][ T6737]  kobject_add_internal+0x59f/0xb40
[  222.725684][ T6737]  kobject_init_and_add+0x125/0x190
[  222.725706][ T6737]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.725724][ T6737]  ? __raw_spin_lock_init+0x45/0x100
[  222.725740][ T6737]  ? __init_swait_queue_head+0xa9/0x150
[  222.725758][ T6737]  gfs2_sys_fs_add+0x234/0x450
[  222.725780][ T6737]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.725804][ T6737]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.725827][ T6737]  gfs2_fill_super+0x13c0/0x20d0
[  222.725853][ T6737]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.725871][ T6737]  ? sb_set_blocksize+0x104/0x180
[  222.725892][ T6737]  ? setup_bdev_super+0x4c1/0x5b0
[  222.725912][ T6737]  get_tree_bdev_flags+0x40e/0x4d0
[  222.725930][ T6737]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.725947][ T6737]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.725967][ T6737]  gfs2_get_tree+0x51/0x1e0
[  222.725985][ T6737]  vfs_get_tree+0x92/0x2b0
[  222.726004][ T6737]  do_new_mount+0x2a2/0xa30
[  222.726025][ T6737]  ? ns_capable+0x8a/0xf0
[  222.726047][ T6737]  ? __pfx_do_new_mount+0x10/0x10
[  222.726073][ T6737]  ? path_mount+0x61c/0xfe0
[  222.726091][ T6737]  ? user_path_at+0x44/0x60
[  222.726110][ T6737]  __se_sys_mount+0x317/0x410
[  222.726131][ T6737]  ? __pfx___se_sys_mount+0x10/0x10
[  222.726151][ T6737]  ? rcu_is_watching+0x15/0xb0
[  222.726173][ T6737]  ? __x64_sys_mount+0x20/0xc0
[  222.726193][ T6737]  do_syscall_64+0xfa/0xfa0
[  222.726213][ T6737]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.726231][ T6737]  ? clear_bhb_loop+0x60/0xb0
[  222.726249][ T6737]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.726265][ T6737] RIP: 0033:0x7f432c19038a
[  222.726281][ T6737] 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
[  222.726296][ T6737] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.726315][ T6737] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  222.726327][ T6737] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  222.726339][ T6737] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  222.726352][ T6737] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  222.726363][ T6737] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  222.726382][ T6737]  </TASK>
[  222.726403][ T6737] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.978531][   T31] INFO: task kworker/0:2:1208 blocked for more than 143 seconds.
[  222.988424][ T6737] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.996247][   T31]       Not tainted syzkaller #0
[  223.070084][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  223.079107][   T31] task:kworker/0:2     state:D stack:23592 pid:1208  tgid:1208  ppid:2      task_flags:0x4208060 flags:0x00004000
[  223.091379][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  223.097386][   T31] Call Trace:
[  223.101736][   T31]  <TASK>
[  223.104691][   T31]  __schedule+0x1798/0x4cc0
[  223.109223][   T31]  ? blk_mq_dispatch_queue_requests+0x552/0x800
[  223.115900][   T31]  ? lock_release+0x4b/0x3e0
[  223.120515][   T31]  ? __pfx___schedule+0x10/0x10
[  223.125810][   T31]  ? do_raw_spin_lock+0x121/0x290
[  223.131092][   T31]  ? schedule+0x91/0x360
[  223.135347][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.140144][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.145394][   T31]  ? lock_release+0x4b/0x3e0
[  223.150013][   T31]  ? schedule+0x91/0x360
[  223.154793][   T31]  ? wq_worker_sleeping+0x63/0x250
[  223.160192][   T31]  schedule+0x165/0x360
[  223.164840][   T31]  io_schedule+0x80/0xd0
[  223.169102][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  223.175383][   T31]  ? lock_release+0x4b/0x3e0
[  223.180012][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  223.186446][   T31]  ? seqcount_lockdep_reader_access+0x175/0x1c0
[  223.192823][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  223.198444][   T31]  ? __get_log_header+0x297/0x620
[  223.204321][   T31]  ? __filemap_get_folio+0x79f/0xaf0
[  223.210203][   T31]  gfs2_jhead_process_page+0x16e/0x650
[  223.215793][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  223.221834][   T31]  gfs2_find_jhead+0xc9e/0xe10
[  223.226635][   T31]  gfs2_recover_func+0x646/0x1d90
[  223.231746][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  223.237224][   T31]  ? update_load_avg+0x572/0x1880
[  223.242332][   T31]  ? __switch_to+0xdc8/0x1690
[  223.247018][   T31]  ? do_raw_spin_lock+0x121/0x290
[  223.252136][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  223.257563][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.262401][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  223.268152][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  223.274043][   T31]  process_scheduled_works+0xae1/0x17b0
[  223.279629][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  223.285755][   T31]  worker_thread+0x8a0/0xda0
[  223.290373][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  223.296900][   T31]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  223.302847][   T31]  ? __kthread_parkme+0x7b/0x200
[  223.308170][   T31]  kthread+0x711/0x8a0
[  223.312400][   T31]  ? __pfx_worker_thread+0x10/0x10
[  223.317609][   T31]  ? __pfx_kthread+0x10/0x10
[  223.322370][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.327156][   T31]  ? __pfx_kthread+0x10/0x10
[  223.331830][   T31]  ret_from_fork+0x47c/0x820
[  223.336462][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  223.341790][   T31]  ? __switch_to_asm+0x39/0x70
[  223.346575][   T31]  ? __switch_to_asm+0x33/0x70
[  223.351588][   T31]  ? __pfx_kthread+0x10/0x10
[  223.356279][   T31]  ret_from_fork_asm+0x1a/0x30
[  223.361438][   T31]  </TASK>
[  223.364789][   T31] INFO: task syz.0.27:6082 blocked for more than 143 seconds.
[  223.373598][   T31]       Not tainted syzkaller #0
[  223.378635][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  223.387433][   T31] task:syz.0.27        state:D stack:25160 pid:6082  tgid:6082  ppid:5966   task_flags:0x400140 flags:0x00004004
[  223.399591][   T31] Call Trace:
[  223.402955][   T31]  <TASK>
[  223.405896][   T31]  __schedule+0x1798/0x4cc0
[  223.410841][   T31]  ? __pfx_preempt_schedule_notrace+0x10/0x10
[  223.416929][   T31]  ? preempt_schedule+0xae/0xc0
[  223.421949][   T31]  ? __pfx___schedule+0x10/0x10
[  223.426891][   T31]  ? schedule+0x91/0x360
[  223.431214][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.435997][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.440905][   T31]  ? lock_release+0x4b/0x3e0
[  223.445512][   T31]  schedule+0x165/0x360
[  223.449678][   T31]  bit_wait+0x11/0xd0
[  223.453741][   T31]  __wait_on_bit+0xb6/0x310
[  223.458338][   T31]  ? __pfx_bit_wait+0x10/0x10
[  223.463155][   T31]  ? __pfx_bit_wait+0x10/0x10
[  223.467855][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  223.473456][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  223.479459][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  223.485053][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  223.490269][   T31]  gfs2_recover_journal+0xda/0x140
[  223.495610][   T31]  init_journal+0x17cc/0x2260
[  223.500361][   T31]  ? init_inodes+0xdb/0x320
[  223.504995][   T31]  ? __pfx_init_journal+0x10/0x10
[  223.510046][   T31]  ? snprintf+0xda/0x120
[  223.514832][   T31]  ? init_inodes+0xdb/0x320
[  223.519365][   T31]  ? __pfx_snprintf+0x10/0x10
[  223.524208][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  223.529432][   T31]  init_inodes+0xdb/0x320
[  223.533922][   T31]  gfs2_fill_super+0x1923/0x20d0
[  223.538879][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.544274][   T31]  ? init_locking+0xb8/0x210
[  223.548869][   T31]  ? sb_set_blocksize+0x104/0x180
[  223.554176][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  223.559323][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  223.565490][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.571204][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.572992][ T6740] loop1: detected capacity change from 0 to 32768
[  223.576914][   T31]  gfs2_get_tree+0x51/0x1e0
[  223.588652][   T31]  vfs_get_tree+0x92/0x2b0
[  223.593368][   T31]  do_new_mount+0x2a2/0xa30
[  223.597941][   T31]  ? ns_capable+0x8a/0xf0
[  223.602871][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  223.608220][   T31]  ? path_mount+0x61c/0xfe0
[  223.613494][ T6740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.613719][   T31]  ? user_path_at+0x44/0x60
[  223.621950][ T6740] CPU: 0 UID: 0 PID: 6740 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT(full) 
[  223.621972][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.621983][ T6740] Call Trace:
[  223.621991][ T6740]  <TASK>
[  223.621999][ T6740]  dump_stack_lvl+0x189/0x250
[  223.622023][ T6740]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.622042][ T6740]  ? __pfx__printk+0x10/0x10
[  223.622063][ T6740]  ? kernfs_root+0x1c/0x230
[  223.622082][ T6740]  ? kernfs_path_from_node+0x250/0x290
[  223.622097][ T6740]  ? kernfs_path_from_node+0x2f/0x290
[  223.622113][ T6740]  sysfs_create_dir_ns+0x259/0x280
[  223.622137][ T6740]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.622160][ T6740]  ? do_raw_spin_unlock+0x122/0x240
[  223.622179][ T6740]  kobject_add_internal+0x59f/0xb40
[  223.622205][ T6740]  kobject_init_and_add+0x125/0x190
[  223.622227][ T6740]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.622262][ T6740]  ? __raw_spin_lock_init+0x45/0x100
[  223.622280][ T6740]  ? __init_swait_queue_head+0xa9/0x150
[  223.622297][ T6740]  gfs2_sys_fs_add+0x234/0x450
[  223.622320][ T6740]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.622345][ T6740]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.622369][ T6740]  gfs2_fill_super+0x13c0/0x20d0
[  223.622392][ T6740]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.622410][ T6740]  ? sb_set_blocksize+0x104/0x180
[  223.622431][ T6740]  ? setup_bdev_super+0x4c1/0x5b0
[  223.622450][ T6740]  get_tree_bdev_flags+0x40e/0x4d0
[  223.622469][ T6740]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.622485][ T6740]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.622507][ T6740]  gfs2_get_tree+0x51/0x1e0
[  223.622524][ T6740]  vfs_get_tree+0x92/0x2b0
[  223.622543][ T6740]  do_new_mount+0x2a2/0xa30
[  223.622563][ T6740]  ? ns_capable+0x8a/0xf0
[  223.622583][ T6740]  ? __pfx_do_new_mount+0x10/0x10
[  223.622602][ T6740]  ? path_mount+0x61c/0xfe0
[  223.622619][ T6740]  ? user_path_at+0x44/0x60
[  223.622637][ T6740]  __se_sys_mount+0x317/0x410
[  223.622659][ T6740]  ? __pfx___se_sys_mount+0x10/0x10
[  223.622679][ T6740]  ? rcu_is_watching+0x15/0xb0
[  223.622700][ T6740]  ? __x64_sys_mount+0x20/0xc0
[  223.622720][ T6740]  do_syscall_64+0xfa/0xfa0
[  223.622739][ T6740]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.622755][ T6740]  ? clear_bhb_loop+0x60/0xb0
[  223.622772][ T6740]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.622788][ T6740] RIP: 0033:0x7f432c19038a
[  223.622803][ T6740] 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
[  223.622817][ T6740] RSP: 002b:00007fffb00d2f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.622835][ T6740] RAX: ffffffffffffffda RBX: 00007fffb00d2fd0 RCX: 00007f432c19038a
[  223.622848][ T6740] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fffb00d2f90
[  223.622860][ T6740] RBP: 000020000001f680 R08: 00007fffb00d2fd0 R09: 0000000000000084
[  223.622873][ T6740] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  223.622884][ T6740] R13: 00007fffb00d2f90 R14: 000000000001f81f R15: 00002000000001c0
[  223.622902][ T6740]  </TASK>
[  223.622921][ T6740] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.625531][   T31]  __se_sys_mount+0x317/0x410
[  223.638357][ T6740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.665901][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  223.959974][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.964860][   T31]  ? __x64_sys_mount+0x20/0xc0
[  223.969809][   T31]  do_syscall_64+0xfa/0xfa0
[  223.974366][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.980437][   T31]  ? clear_bhb_loop+0x60/0xb0
[  223.985181][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.991108][   T31] RIP: 0033:0x7f994f19038a
[  223.995535][   T31] RSP: 002b:00007ffe1ab467a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.004018][   T31] RAX: ffffffffffffffda RBX: 00007ffe1ab46830 RCX: 00007f994f19038a
[  224.012023][   T31] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffe1ab467f0
[  224.020012][   T31] RBP: 000020000001f680 R08: 00007ffe1ab46830 R09: 0000000000000084
[  224.028510][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  224.036549][   T31] R13: 00007ffe1ab467f0 R14: 000000000001f81f R15: 00002000000001c0
[  224.044575][   T31]  </TASK>
[  224.047655][   T31] INFO: lockdep is turned off.
[  224.052482][   T31] NMI backtrace for cpu 1
[  224.052501][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  224.052521][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.052533][   T31] Call Trace:
[  224.052540][   T31]  <TASK>
[  224.052548][   T31]  dump_stack_lvl+0x189/0x250
[  224.052573][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.052592][   T31]  ? __pfx__printk+0x10/0x10
[  224.052618][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  224.052641][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  224.052664][   T31]  ? __pfx__printk+0x10/0x10
[  224.052685][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  224.052709][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  224.052732][   T31]  watchdog+0xf60/0xfa0
[  224.052754][   T31]  ? watchdog+0x1e2/0xfa0
[  224.052774][   T31]  kthread+0x711/0x8a0
[  224.052794][   T31]  ? __pfx_watchdog+0x10/0x10
[  224.052812][   T31]  ? __pfx_kthread+0x10/0x10
[  224.052829][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  224.052847][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  224.052866][   T31]  ? __pfx_kthread+0x10/0x10
[  224.052882][   T31]  ret_from_fork+0x47c/0x820
[  224.052906][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  224.052930][   T31]  ? __switch_to_asm+0x39/0x70
[  224.052949][   T31]  ? __switch_to_asm+0x33/0x70
[  224.052968][   T31]  ? __pfx_kthread+0x10/0x10
[  224.052985][   T31]  ret_from_fork_asm+0x1a/0x30
[  224.053009][   T31]  </TASK>
[  224.053016][   T31] Sending NMI from CPU 1 to CPUs 0:
[  224.198543][    C0] NMI backtrace for cpu 0
[  224.198560][    C0] CPU: 0 UID: 0 PID: 5856 Comm: syz-execprog Not tainted syzkaller #0 PREEMPT(full) 
[  224.198578][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.198589][    C0] RIP: 0033:0x451371
[  224.198604][    C0] Code: 00 00 48 89 54 24 20 48 85 c0 75 1c 90 e8 e7 e8 02 00 45 0f 57 ff 64 4c 8b 34 25 f8 ff ff ff 48 8b 04 24 48 8b 54 24 20 8b 0a <89> ce c1 fe 1f c1 ee 1b 01 ce 89 f7 83 e6 e0 29 f1 85 c9 0f 8c fb
[  224.198618][    C0] RSP: 002b:00007fff88e30088 EFLAGS: 00000206
[  224.198633][    C0] RAX: 0000003430da7f57 RBX: 0000000003185100 RCX: 0000000000000000
[  224.198645][    C0] RDX: 000000c000066008 RSI: 00007fff88e30050 RDI: 0000000000000001
[  224.198656][    C0] RBP: 00007fff88e300b0 R08: 000000000969bf57 R09: 7fffffffffffffff
[  224.198668][    C0] R10: 3fffffffffffffff R11: 000000c00051a1d0 R12: 00007fff88e30068
[  224.198679][    C0] R13: 0000000000000001 R14: 00000000031837e0 R15: 0000000000000001
[  224.198690][    C0] FS:  0000000003185190 GS:  0000000000000000
[  224.199606][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  224.199622][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  224.199648][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.199660][   T31] Call Trace:
[  224.199668][   T31]  <TASK>
[  224.199677][   T31]  dump_stack_lvl+0x99/0x250
[  224.199701][   T31]  ? __asan_memcpy+0x40/0x70
[  224.199720][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.199741][   T31]  ? __pfx__printk+0x10/0x10
[  224.199767][   T31]  vpanic+0x281/0x750
[  224.199788][   T31]  ? __pfx_vpanic+0x10/0x10
[  224.199807][   T31]  ? rcu_is_watching+0x15/0xb0
[  224.199829][   T31]  ? preempt_schedule+0xae/0xc0
[  224.199850][   T31]  ? preempt_schedule_common+0x83/0xd0
[  224.199872][   T31]  panic+0xb9/0xc0
[  224.199891][   T31]  ? __pfx_panic+0x10/0x10
[  224.199910][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  224.199930][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  224.199954][   T31]  watchdog+0xf9f/0xfa0
[  224.199977][   T31]  ? watchdog+0x1e2/0xfa0
[  224.199998][   T31]  kthread+0x711/0x8a0
[  224.200018][   T31]  ? __pfx_watchdog+0x10/0x10
[  224.200037][   T31]  ? __pfx_kthread+0x10/0x10
[  224.200055][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  224.200074][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  224.200092][   T31]  ? __pfx_kthread+0x10/0x10
[  224.200110][   T31]  ret_from_fork+0x47c/0x820
[  224.200135][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  224.200159][   T31]  ? __switch_to_asm+0x39/0x70
[  224.200180][   T31]  ? __switch_to_asm+0x33/0x70
[  224.200199][   T31]  ? __pfx_kthread+0x10/0x10
[  224.200217][   T31]  ret_from_fork_asm+0x1a/0x30
[  224.200250][   T31]  </TASK>
[  224.461737][   T31] Kernel Offset: disabled
[  224.466133][   T31] Rebooting in 86400 seconds..