aw_spin_lock_init+0x45/0x100
[  214.353782][ T6713]  ? __init_swait_queue_head+0xa9/0x150
[  214.353802][ T6713]  gfs2_sys_fs_add+0x234/0x450
[  214.353827][ T6713]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.353854][ T6713]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.353879][ T6713]  gfs2_fill_super+0x13c0/0x20d0
[  214.353905][ T6713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.353926][ T6713]  ? sb_set_blocksize+0x104/0x180
[  214.353949][ T6713]  ? setup_bdev_super+0x4c1/0x5b0
[  214.353971][ T6713]  get_tree_bdev_flags+0x40e/0x4d0
[  214.353991][ T6713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.354010][ T6713]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.354034][ T6713]  gfs2_get_tree+0x51/0x1e0
[  214.354067][ T6713]  vfs_get_tree+0x92/0x2b0
[  214.354088][ T6713]  do_new_mount+0x2a2/0xa30
[  214.354112][ T6713]  ? ns_capable+0x8a/0xf0
[  214.354136][ T6713]  ? __pfx_do_new_mount+0x10/0x10
[  214.354157][ T6713]  ? path_mount+0x61c/0xfe0
[  214.354177][ T6713]  ? user_path_at+0x44/0x60
[  214.354197][ T6713]  __se_sys_mount+0x317/0x410
[  214.354221][ T6713]  ? __pfx___se_sys_mount+0x10/0x10
[  214.354245][ T6713]  ? rcu_is_watching+0x15/0xb0
[  214.354268][ T6713]  ? __x64_sys_mount+0x20/0xc0
[  214.354291][ T6713]  do_syscall_64+0xfa/0xfa0
[  214.354312][ T6713]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.354330][ T6713]  ? clear_bhb_loop+0x60/0xb0
[  214.354349][ T6713]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.354366][ T6713] RIP: 0033:0x7f59c179038a
[  214.354382][ 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
[  214.354399][ T6713] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.354420][ T6713] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  214.354434][ T6713] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  214.354446][ T6713] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  214.354460][ T6713] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  214.354471][ T6713] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  214.354490][ T6713]  </TASK>
[  214.354509][ 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.
[  214.668751][ T6713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.903067][ T6716] loop1: detected capacity change from 0 to 32768
[  214.917737][ T6716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.925401][ T6716] CPU: 0 UID: 0 PID: 6716 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full) 
[  214.925427][ T6716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.925439][ T6716] Call Trace:
[  214.925446][ T6716]  <TASK>
[  214.925455][ T6716]  dump_stack_lvl+0x189/0x250
[  214.925482][ T6716]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.925505][ T6716]  ? __pfx__printk+0x10/0x10
[  214.925528][ T6716]  ? kernfs_root+0x1c/0x230
[  214.925547][ T6716]  ? kernfs_path_from_node+0x250/0x290
[  214.925562][ T6716]  ? kernfs_path_from_node+0x2f/0x290
[  214.925579][ T6716]  sysfs_create_dir_ns+0x259/0x280
[  214.925606][ T6716]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.925634][ T6716]  ? do_raw_spin_unlock+0x122/0x240
[  214.925654][ T6716]  kobject_add_internal+0x59f/0xb40
[  214.925680][ T6716]  kobject_init_and_add+0x125/0x190
[  214.925706][ T6716]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.925729][ T6716]  ? __raw_spin_lock_init+0x45/0x100
[  214.925749][ T6716]  ? __init_swait_queue_head+0xa9/0x150
[  214.925769][ T6716]  gfs2_sys_fs_add+0x234/0x450
[  214.925795][ T6716]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.925821][ T6716]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.925843][ T6716]  gfs2_fill_super+0x13c0/0x20d0
[  214.925865][ T6716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.925885][ T6716]  ? sb_set_blocksize+0x104/0x180
[  214.925909][ T6716]  ? setup_bdev_super+0x4c1/0x5b0
[  214.925933][ T6716]  get_tree_bdev_flags+0x40e/0x4d0
[  214.925954][ T6716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.925973][ T6716]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.925998][ T6716]  gfs2_get_tree+0x51/0x1e0
[  214.926019][ T6716]  vfs_get_tree+0x92/0x2b0
[  214.926041][ T6716]  do_new_mount+0x2a2/0xa30
[  214.926077][ T6716]  ? ns_capable+0x8a/0xf0
[  214.926102][ T6716]  ? __pfx_do_new_mount+0x10/0x10
[  214.926125][ T6716]  ? path_mount+0x61c/0xfe0
[  214.926145][ T6716]  ? user_path_at+0x44/0x60
[  214.926164][ T6716]  __se_sys_mount+0x317/0x410
[  214.926188][ T6716]  ? __pfx___se_sys_mount+0x10/0x10
[  214.926213][ T6716]  ? rcu_is_watching+0x15/0xb0
[  214.926238][ T6716]  ? __x64_sys_mount+0x20/0xc0
[  214.926262][ T6716]  do_syscall_64+0xfa/0xfa0
[  214.926284][ T6716]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.926303][ T6716]  ? clear_bhb_loop+0x60/0xb0
[  214.926323][ T6716]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.926340][ T6716] RIP: 0033:0x7f59c179038a
[  214.926357][ 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
[  214.926373][ T6716] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.926396][ T6716] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  214.926410][ T6716] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  214.926424][ T6716] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  214.926436][ T6716] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  214.926449][ T6716] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  214.926469][ T6716]  </TASK>
[  214.926492][ 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.
[  215.246998][ T6716] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.481915][ T6719] loop1: detected capacity change from 0 to 32768
[  215.495677][ T6719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.503485][ T6719] CPU: 1 UID: 0 PID: 6719 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full) 
[  215.503510][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.503521][ T6719] Call Trace:
[  215.503528][ T6719]  <TASK>
[  215.503537][ T6719]  dump_stack_lvl+0x189/0x250
[  215.503565][ T6719]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.503588][ T6719]  ? __pfx__printk+0x10/0x10
[  215.503611][ T6719]  ? kernfs_root+0x1c/0x230
[  215.503631][ T6719]  ? kernfs_path_from_node+0x250/0x290
[  215.503647][ T6719]  ? kernfs_path_from_node+0x2f/0x290
[  215.503666][ T6719]  sysfs_create_dir_ns+0x259/0x280
[  215.503693][ T6719]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.503720][ T6719]  ? do_raw_spin_unlock+0x122/0x240
[  215.503742][ T6719]  kobject_add_internal+0x59f/0xb40
[  215.503770][ T6719]  kobject_init_and_add+0x125/0x190
[  215.503807][ T6719]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.503829][ T6719]  ? __raw_spin_lock_init+0x45/0x100
[  215.503849][ T6719]  ? __init_swait_queue_head+0xa9/0x150
[  215.503869][ T6719]  gfs2_sys_fs_add+0x234/0x450
[  215.503897][ T6719]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.503925][ T6719]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.503951][ T6719]  gfs2_fill_super+0x13c0/0x20d0
[  215.503977][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.504000][ T6719]  ? sb_set_blocksize+0x104/0x180
[  215.504024][ T6719]  ? setup_bdev_super+0x4c1/0x5b0
[  215.504044][ T6719]  get_tree_bdev_flags+0x40e/0x4d0
[  215.504067][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.504088][ T6719]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.504114][ T6719]  gfs2_get_tree+0x51/0x1e0
[  215.504134][ T6719]  vfs_get_tree+0x92/0x2b0
[  215.504157][ T6719]  do_new_mount+0x2a2/0xa30
[  215.504181][ T6719]  ? ns_capable+0x8a/0xf0
[  215.504206][ T6719]  ? __pfx_do_new_mount+0x10/0x10
[  215.504227][ T6719]  ? path_mount+0x61c/0xfe0
[  215.504248][ T6719]  ? user_path_at+0x44/0x60
[  215.504269][ T6719]  __se_sys_mount+0x317/0x410
[  215.504293][ T6719]  ? __pfx___se_sys_mount+0x10/0x10
[  215.504318][ T6719]  ? rcu_is_watching+0x15/0xb0
[  215.504343][ T6719]  ? __x64_sys_mount+0x20/0xc0
[  215.504367][ T6719]  do_syscall_64+0xfa/0xfa0
[  215.504389][ T6719]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.504408][ T6719]  ? clear_bhb_loop+0x60/0xb0
[  215.504428][ T6719]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.504447][ T6719] RIP: 0033:0x7f59c179038a
[  215.504463][ 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
[  215.504480][ T6719] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.504502][ T6719] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  215.504517][ T6719] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  215.504530][ T6719] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  215.504542][ T6719] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  215.504555][ T6719] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  215.504575][ T6719]  </TASK>
[  215.504595][ 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.
[  215.820245][ T6719] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 03:05:22 executed programs: 210
[  216.054063][ T6722] loop1: detected capacity change from 0 to 32768
[  216.068897][ T6722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.076517][ T6722] CPU: 0 UID: 0 PID: 6722 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT(full) 
[  216.076542][ T6722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.076554][ T6722] Call Trace:
[  216.076562][ T6722]  <TASK>
[  216.076570][ T6722]  dump_stack_lvl+0x189/0x250
[  216.076600][ T6722]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.076622][ T6722]  ? __pfx__printk+0x10/0x10
[  216.076645][ T6722]  ? kernfs_root+0x1c/0x230
[  216.076665][ T6722]  ? kernfs_path_from_node+0x250/0x290
[  216.076682][ T6722]  ? kernfs_path_from_node+0x2f/0x290
[  216.076699][ T6722]  sysfs_create_dir_ns+0x259/0x280
[  216.076726][ T6722]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.076753][ T6722]  ? do_raw_spin_unlock+0x122/0x240
[  216.076803][ T6722]  kobject_add_internal+0x59f/0xb40
[  216.076832][ T6722]  kobject_init_and_add+0x125/0x190
[  216.076856][ T6722]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.076879][ T6722]  ? __raw_spin_lock_init+0x45/0x100
[  216.076898][ T6722]  ? __init_swait_queue_head+0xa9/0x150
[  216.076919][ T6722]  gfs2_sys_fs_add+0x234/0x450
[  216.076945][ T6722]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.076973][ T6722]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.076999][ T6722]  gfs2_fill_super+0x13c0/0x20d0
[  216.077025][ T6722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.077060][ T6722]  ? sb_set_blocksize+0x104/0x180
[  216.077085][ T6722]  ? setup_bdev_super+0x4c1/0x5b0
[  216.077107][ T6722]  get_tree_bdev_flags+0x40e/0x4d0
[  216.077129][ T6722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.077149][ T6722]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.077175][ T6722]  gfs2_get_tree+0x51/0x1e0
[  216.077195][ T6722]  vfs_get_tree+0x92/0x2b0
[  216.077217][ T6722]  do_new_mount+0x2a2/0xa30
[  216.077241][ T6722]  ? ns_capable+0x8a/0xf0
[  216.077267][ T6722]  ? __pfx_do_new_mount+0x10/0x10
[  216.077289][ T6722]  ? path_mount+0x61c/0xfe0
[  216.077310][ T6722]  ? user_path_at+0x44/0x60
[  216.077331][ T6722]  __se_sys_mount+0x317/0x410
[  216.077356][ T6722]  ? __pfx___se_sys_mount+0x10/0x10
[  216.077381][ T6722]  ? rcu_is_watching+0x15/0xb0
[  216.077405][ T6722]  ? __x64_sys_mount+0x20/0xc0
[  216.077429][ T6722]  do_syscall_64+0xfa/0xfa0
[  216.077451][ T6722]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.077470][ T6722]  ? clear_bhb_loop+0x60/0xb0
[  216.077491][ T6722]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.077509][ T6722] RIP: 0033:0x7f59c179038a
[  216.077526][ 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
[  216.077543][ T6722] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.077565][ T6722] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  216.077580][ T6722] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  216.077593][ T6722] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  216.077605][ T6722] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  216.077617][ T6722] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  216.077638][ T6722]  </TASK>
[  216.077659][ 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.
[  216.392618][ T6722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.628695][ T6725] loop1: detected capacity change from 0 to 32768
[  216.637498][ T6725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.645888][ T6725] CPU: 0 UID: 0 PID: 6725 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
[  216.645914][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.645926][ T6725] Call Trace:
[  216.645932][ T6725]  <TASK>
[  216.645939][ T6725]  dump_stack_lvl+0x189/0x250
[  216.645966][ T6725]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.645986][ T6725]  ? __pfx__printk+0x10/0x10
[  216.646008][ T6725]  ? kernfs_root+0x1c/0x230
[  216.646025][ T6725]  ? kernfs_path_from_node+0x250/0x290
[  216.646039][ T6725]  ? kernfs_path_from_node+0x2f/0x290
[  216.646056][ T6725]  sysfs_create_dir_ns+0x259/0x280
[  216.646084][ T6725]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.646108][ T6725]  ? do_raw_spin_unlock+0x122/0x240
[  216.646128][ T6725]  kobject_add_internal+0x59f/0xb40
[  216.646156][ T6725]  kobject_init_and_add+0x125/0x190
[  216.646177][ T6725]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.646199][ T6725]  ? __raw_spin_lock_init+0x45/0x100
[  216.646217][ T6725]  ? __init_swait_queue_head+0xa9/0x150
[  216.646236][ T6725]  gfs2_sys_fs_add+0x234/0x450
[  216.646263][ T6725]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.646290][ T6725]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.646315][ T6725]  gfs2_fill_super+0x13c0/0x20d0
[  216.646341][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.646362][ T6725]  ? sb_set_blocksize+0x104/0x180
[  216.646386][ T6725]  ? setup_bdev_super+0x4c1/0x5b0
[  216.646410][ T6725]  get_tree_bdev_flags+0x40e/0x4d0
[  216.646432][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.646451][ T6725]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.646476][ T6725]  gfs2_get_tree+0x51/0x1e0
[  216.646497][ T6725]  vfs_get_tree+0x92/0x2b0
[  216.646520][ T6725]  do_new_mount+0x2a2/0xa30
[  216.646545][ T6725]  ? ns_capable+0x8a/0xf0
[  216.646570][ T6725]  ? __pfx_do_new_mount+0x10/0x10
[  216.646592][ T6725]  ? path_mount+0x61c/0xfe0
[  216.646612][ T6725]  ? user_path_at+0x44/0x60
[  216.646632][ T6725]  __se_sys_mount+0x317/0x410
[  216.646658][ T6725]  ? __pfx___se_sys_mount+0x10/0x10
[  216.646682][ T6725]  ? rcu_is_watching+0x15/0xb0
[  216.646707][ T6725]  ? __x64_sys_mount+0x20/0xc0
[  216.646729][ T6725]  do_syscall_64+0xfa/0xfa0
[  216.646750][ T6725]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.646779][ T6725]  ? clear_bhb_loop+0x60/0xb0
[  216.646798][ T6725]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.646815][ T6725] RIP: 0033:0x7f59c179038a
[  216.646831][ 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
[  216.646848][ T6725] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.646870][ T6725] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  216.646885][ T6725] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  216.646898][ T6725] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  216.646910][ T6725] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  216.646922][ T6725] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  216.646943][ T6725]  </TASK>
[  216.646961][ 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.
[  216.961431][ T6725] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.200321][ T6728] loop1: detected capacity change from 0 to 32768
[  217.215501][ T6728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.222973][ T6728] CPU: 0 UID: 0 PID: 6728 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT(full) 
[  217.222998][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.223011][ T6728] Call Trace:
[  217.223019][ T6728]  <TASK>
[  217.223026][ T6728]  dump_stack_lvl+0x189/0x250
[  217.223055][ T6728]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.223077][ T6728]  ? __pfx__printk+0x10/0x10
[  217.223100][ T6728]  ? kernfs_root+0x1c/0x230
[  217.223119][ T6728]  ? kernfs_path_from_node+0x250/0x290
[  217.223135][ T6728]  ? kernfs_path_from_node+0x2f/0x290
[  217.223153][ T6728]  sysfs_create_dir_ns+0x259/0x280
[  217.223180][ T6728]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.223206][ T6728]  ? do_raw_spin_unlock+0x122/0x240
[  217.223227][ T6728]  kobject_add_internal+0x59f/0xb40
[  217.223255][ T6728]  kobject_init_and_add+0x125/0x190
[  217.223280][ T6728]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.223303][ T6728]  ? __raw_spin_lock_init+0x45/0x100
[  217.223322][ T6728]  ? __init_swait_queue_head+0xa9/0x150
[  217.223342][ T6728]  gfs2_sys_fs_add+0x234/0x450
[  217.223368][ T6728]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.223396][ T6728]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.223423][ T6728]  gfs2_fill_super+0x13c0/0x20d0
[  217.223449][ T6728]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.223472][ T6728]  ? sb_set_blocksize+0x104/0x180
[  217.223496][ T6728]  ? setup_bdev_super+0x4c1/0x5b0
[  217.223519][ T6728]  get_tree_bdev_flags+0x40e/0x4d0
[  217.223541][ T6728]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.223561][ T6728]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.223588][ T6728]  gfs2_get_tree+0x51/0x1e0
[  217.223609][ T6728]  vfs_get_tree+0x92/0x2b0
[  217.223630][ T6728]  do_new_mount+0x2a2/0xa30
[  217.223656][ T6728]  ? ns_capable+0x8a/0xf0
[  217.223680][ T6728]  ? __pfx_do_new_mount+0x10/0x10
[  217.223702][ T6728]  ? path_mount+0x61c/0xfe0
[  217.223723][ T6728]  ? user_path_at+0x44/0x60
[  217.223743][ T6728]  __se_sys_mount+0x317/0x410
[  217.223769][ T6728]  ? __pfx___se_sys_mount+0x10/0x10
[  217.223794][ T6728]  ? rcu_is_watching+0x15/0xb0
[  217.223829][ T6728]  ? __x64_sys_mount+0x20/0xc0
[  217.223853][ T6728]  do_syscall_64+0xfa/0xfa0
[  217.223874][ T6728]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.223893][ T6728]  ? clear_bhb_loop+0x60/0xb0
[  217.223913][ T6728]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.223931][ T6728] RIP: 0033:0x7f59c179038a
[  217.223948][ 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
[  217.223965][ T6728] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.223987][ T6728] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  217.224002][ T6728] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  217.224015][ T6728] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  217.224028][ T6728] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  217.224040][ T6728] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  217.224060][ T6728]  </TASK>
[  217.224080][ 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.
[  217.538648][ T6728] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.777241][ T6731] loop1: detected capacity change from 0 to 32768
[  217.793300][ T6731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.801324][ T6731] CPU: 0 UID: 0 PID: 6731 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT(full) 
[  217.801350][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.801362][ T6731] Call Trace:
[  217.801369][ T6731]  <TASK>
[  217.801377][ T6731]  dump_stack_lvl+0x189/0x250
[  217.801404][ T6731]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.801426][ T6731]  ? __pfx__printk+0x10/0x10
[  217.801448][ T6731]  ? kernfs_root+0x1c/0x230
[  217.801467][ T6731]  ? kernfs_path_from_node+0x250/0x290
[  217.801482][ T6731]  ? kernfs_path_from_node+0x2f/0x290
[  217.801499][ T6731]  sysfs_create_dir_ns+0x259/0x280
[  217.801526][ T6731]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.801552][ T6731]  ? do_raw_spin_unlock+0x122/0x240
[  217.801573][ T6731]  kobject_add_internal+0x59f/0xb40
[  217.801599][ T6731]  kobject_init_and_add+0x125/0x190
[  217.801623][ T6731]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.801644][ T6731]  ? __raw_spin_lock_init+0x45/0x100
[  217.801662][ T6731]  ? __init_swait_queue_head+0xa9/0x150
[  217.801681][ T6731]  gfs2_sys_fs_add+0x234/0x450
[  217.801706][ T6731]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.801733][ T6731]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.801758][ T6731]  gfs2_fill_super+0x13c0/0x20d0
[  217.801794][ T6731]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.801815][ T6731]  ? sb_set_blocksize+0x104/0x180
[  217.801838][ T6731]  ? setup_bdev_super+0x4c1/0x5b0
[  217.801861][ T6731]  get_tree_bdev_flags+0x40e/0x4d0
[  217.801882][ T6731]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.801901][ T6731]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.801925][ T6731]  gfs2_get_tree+0x51/0x1e0
[  217.801944][ T6731]  vfs_get_tree+0x92/0x2b0
[  217.801964][ T6731]  do_new_mount+0x2a2/0xa30
[  217.801987][ T6731]  ? ns_capable+0x8a/0xf0
[  217.802012][ T6731]  ? __pfx_do_new_mount+0x10/0x10
[  217.802033][ T6731]  ? path_mount+0x61c/0xfe0
[  217.802052][ T6731]  ? user_path_at+0x44/0x60
[  217.802073][ T6731]  __se_sys_mount+0x317/0x410
[  217.802098][ T6731]  ? __pfx___se_sys_mount+0x10/0x10
[  217.802121][ T6731]  ? rcu_is_watching+0x15/0xb0
[  217.802145][ T6731]  ? __x64_sys_mount+0x20/0xc0
[  217.802167][ T6731]  do_syscall_64+0xfa/0xfa0
[  217.802188][ T6731]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.802206][ T6731]  ? clear_bhb_loop+0x60/0xb0
[  217.802225][ T6731]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.802242][ T6731] RIP: 0033:0x7f59c179038a
[  217.802258][ 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
[  217.802274][ T6731] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.802296][ T6731] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  217.802309][ T6731] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  217.802322][ T6731] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  217.802334][ T6731] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  217.802346][ T6731] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  217.802366][ T6731]  </TASK>
[  217.802385][ 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.
[  218.117655][ T6731] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.353021][ T6734] loop1: detected capacity change from 0 to 32768
[  218.364563][ T6734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.372353][ T6734] CPU: 1 UID: 0 PID: 6734 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT(full) 
[  218.372378][ T6734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.372390][ T6734] Call Trace:
[  218.372397][ T6734]  <TASK>
[  218.372405][ T6734]  dump_stack_lvl+0x189/0x250
[  218.372434][ T6734]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.372456][ T6734]  ? __pfx__printk+0x10/0x10
[  218.372478][ T6734]  ? kernfs_root+0x1c/0x230
[  218.372497][ T6734]  ? kernfs_path_from_node+0x250/0x290
[  218.372513][ T6734]  ? kernfs_path_from_node+0x2f/0x290
[  218.372531][ T6734]  sysfs_create_dir_ns+0x259/0x280
[  218.372559][ T6734]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.372586][ T6734]  ? do_raw_spin_unlock+0x122/0x240
[  218.372607][ T6734]  kobject_add_internal+0x59f/0xb40
[  218.372634][ T6734]  kobject_init_and_add+0x125/0x190
[  218.372659][ T6734]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.372681][ T6734]  ? __raw_spin_lock_init+0x45/0x100
[  218.372699][ T6734]  ? __init_swait_queue_head+0xa9/0x150
[  218.372719][ T6734]  gfs2_sys_fs_add+0x234/0x450
[  218.372746][ T6734]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.372774][ T6734]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.372802][ T6734]  gfs2_fill_super+0x13c0/0x20d0
[  218.372827][ T6734]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.372847][ T6734]  ? sb_set_blocksize+0x104/0x180
[  218.372871][ T6734]  ? setup_bdev_super+0x4c1/0x5b0
[  218.372894][ T6734]  get_tree_bdev_flags+0x40e/0x4d0
[  218.372915][ T6734]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.372936][ T6734]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.372962][ T6734]  gfs2_get_tree+0x51/0x1e0
[  218.372983][ T6734]  vfs_get_tree+0x92/0x2b0
[  218.373005][ T6734]  do_new_mount+0x2a2/0xa30
[  218.373029][ T6734]  ? ns_capable+0x8a/0xf0
[  218.373055][ T6734]  ? __pfx_do_new_mount+0x10/0x10
[  218.373077][ T6734]  ? path_mount+0x61c/0xfe0
[  218.373106][ T6734]  ? user_path_at+0x44/0x60
[  218.373128][ T6734]  __se_sys_mount+0x317/0x410
[  218.373154][ T6734]  ? __pfx___se_sys_mount+0x10/0x10
[  218.373179][ T6734]  ? rcu_is_watching+0x15/0xb0
[  218.373205][ T6734]  ? __x64_sys_mount+0x20/0xc0
[  218.373228][ T6734]  do_syscall_64+0xfa/0xfa0
[  218.373250][ T6734]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.373269][ T6734]  ? clear_bhb_loop+0x60/0xb0
[  218.373288][ T6734]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.373306][ T6734] RIP: 0033:0x7f59c179038a
[  218.373324][ 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
[  218.373341][ T6734] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.373364][ T6734] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  218.373379][ T6734] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  218.373391][ T6734] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  218.373404][ T6734] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  218.373417][ T6734] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  218.373439][ T6734]  </TASK>
[  218.373458][ 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.
[  218.687833][ T6734] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.920700][ T6737] loop1: detected capacity change from 0 to 32768
[  218.929356][ T6737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.937240][ T6737] CPU: 1 UID: 0 PID: 6737 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT(full) 
[  218.937265][ T6737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.937276][ T6737] Call Trace:
[  218.937283][ T6737]  <TASK>
[  218.937291][ T6737]  dump_stack_lvl+0x189/0x250
[  218.937319][ T6737]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.937340][ T6737]  ? __pfx__printk+0x10/0x10
[  218.937362][ T6737]  ? kernfs_root+0x1c/0x230
[  218.937381][ T6737]  ? kernfs_path_from_node+0x250/0x290
[  218.937398][ T6737]  ? kernfs_path_from_node+0x2f/0x290
[  218.937416][ T6737]  sysfs_create_dir_ns+0x259/0x280
[  218.937443][ T6737]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.937470][ T6737]  ? do_raw_spin_unlock+0x122/0x240
[  218.937492][ T6737]  kobject_add_internal+0x59f/0xb40
[  218.937520][ T6737]  kobject_init_and_add+0x125/0x190
[  218.937545][ T6737]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.937568][ T6737]  ? __raw_spin_lock_init+0x45/0x100
[  218.937587][ T6737]  ? __init_swait_queue_head+0xa9/0x150
[  218.937607][ T6737]  gfs2_sys_fs_add+0x234/0x450
[  218.937633][ T6737]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.937660][ T6737]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.937687][ T6737]  gfs2_fill_super+0x13c0/0x20d0
[  218.937714][ T6737]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.937736][ T6737]  ? sb_set_blocksize+0x104/0x180
[  218.937760][ T6737]  ? setup_bdev_super+0x4c1/0x5b0
[  218.937783][ T6737]  get_tree_bdev_flags+0x40e/0x4d0
[  218.937805][ T6737]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.937826][ T6737]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.937870][ T6737]  gfs2_get_tree+0x51/0x1e0
[  218.937892][ T6737]  vfs_get_tree+0x92/0x2b0
[  218.937914][ T6737]  do_new_mount+0x2a2/0xa30
[  218.937938][ T6737]  ? ns_capable+0x8a/0xf0
[  218.937963][ T6737]  ? __pfx_do_new_mount+0x10/0x10
[  218.937985][ T6737]  ? path_mount+0x61c/0xfe0
[  218.938005][ T6737]  ? user_path_at+0x44/0x60
[  218.938025][ T6737]  __se_sys_mount+0x317/0x410
[  218.938051][ T6737]  ? __pfx___se_sys_mount+0x10/0x10
[  218.938076][ T6737]  ? rcu_is_watching+0x15/0xb0
[  218.938100][ T6737]  ? __x64_sys_mount+0x20/0xc0
[  218.938123][ T6737]  do_syscall_64+0xfa/0xfa0
[  218.938145][ T6737]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.938164][ T6737]  ? clear_bhb_loop+0x60/0xb0
[  218.938184][ T6737]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.938201][ T6737] RIP: 0033:0x7f59c179038a
[  218.938218][ 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
[  218.938235][ T6737] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.938256][ T6737] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  218.938271][ T6737] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  218.938285][ T6737] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  218.938298][ T6737] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  218.938310][ T6737] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  218.938331][ T6737]  </TASK>
[  218.938350][ 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.
[  219.252283][ T6737] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.517077][ T6740] loop1: detected capacity change from 0 to 32768
[  219.532744][ T6740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.540618][ T6740] CPU: 1 UID: 0 PID: 6740 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT(full) 
[  219.540644][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.540656][ T6740] Call Trace:
[  219.540664][ T6740]  <TASK>
[  219.540672][ T6740]  dump_stack_lvl+0x189/0x250
[  219.540700][ T6740]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.540723][ T6740]  ? __pfx__printk+0x10/0x10
[  219.540746][ T6740]  ? kernfs_root+0x1c/0x230
[  219.540765][ T6740]  ? kernfs_path_from_node+0x250/0x290
[  219.540782][ T6740]  ? kernfs_path_from_node+0x2f/0x290
[  219.540798][ T6740]  sysfs_create_dir_ns+0x259/0x280
[  219.540824][ T6740]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.540851][ T6740]  ? do_raw_spin_unlock+0x122/0x240
[  219.540872][ T6740]  kobject_add_internal+0x59f/0xb40
[  219.540899][ T6740]  kobject_init_and_add+0x125/0x190
[  219.540924][ T6740]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.540946][ T6740]  ? __raw_spin_lock_init+0x45/0x100
[  219.540965][ T6740]  ? __init_swait_queue_head+0xa9/0x150
[  219.540983][ T6740]  gfs2_sys_fs_add+0x234/0x450
[  219.541011][ T6740]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.541048][ T6740]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.541075][ T6740]  gfs2_fill_super+0x13c0/0x20d0
[  219.541106][ T6740]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.541127][ T6740]  ? sb_set_blocksize+0x104/0x180
[  219.541150][ T6740]  ? setup_bdev_super+0x4c1/0x5b0
[  219.541172][ T6740]  get_tree_bdev_flags+0x40e/0x4d0
[  219.541194][ T6740]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.541215][ T6740]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.541241][ T6740]  gfs2_get_tree+0x51/0x1e0
[  219.541262][ T6740]  vfs_get_tree+0x92/0x2b0
[  219.541283][ T6740]  do_new_mount+0x2a2/0xa30
[  219.541308][ T6740]  ? ns_capable+0x8a/0xf0
[  219.541333][ T6740]  ? __pfx_do_new_mount+0x10/0x10
[  219.541353][ T6740]  ? path_mount+0x61c/0xfe0
[  219.541374][ T6740]  ? user_path_at+0x44/0x60
[  219.541394][ T6740]  __se_sys_mount+0x317/0x410
[  219.541421][ T6740]  ? __pfx___se_sys_mount+0x10/0x10
[  219.541446][ T6740]  ? rcu_is_watching+0x15/0xb0
[  219.541472][ T6740]  ? __x64_sys_mount+0x20/0xc0
[  219.541494][ T6740]  do_syscall_64+0xfa/0xfa0
[  219.541516][ T6740]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.541534][ T6740]  ? clear_bhb_loop+0x60/0xb0
[  219.541555][ T6740]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.541573][ T6740] RIP: 0033:0x7f59c179038a
[  219.541591][ 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
[  219.541606][ T6740] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.541629][ T6740] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  219.541643][ T6740] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  219.541657][ T6740] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  219.541671][ T6740] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  219.541683][ T6740] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  219.541705][ T6740]  </TASK>
[  219.840594][ 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.
[  219.854741][ T6740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.087502][ T6743] loop1: detected capacity change from 0 to 32768
[  220.102127][ T6743] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.109549][ T6743] CPU: 0 UID: 0 PID: 6743 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full) 
[  220.109575][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.109587][ T6743] Call Trace:
[  220.109594][ T6743]  <TASK>
[  220.109602][ T6743]  dump_stack_lvl+0x189/0x250
[  220.109631][ T6743]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.109654][ T6743]  ? __pfx__printk+0x10/0x10
[  220.109676][ T6743]  ? kernfs_root+0x1c/0x230
[  220.109695][ T6743]  ? kernfs_path_from_node+0x250/0x290
[  220.109711][ T6743]  ? kernfs_path_from_node+0x2f/0x290
[  220.109730][ T6743]  sysfs_create_dir_ns+0x259/0x280
[  220.109757][ T6743]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.109785][ T6743]  ? do_raw_spin_unlock+0x122/0x240
[  220.109815][ T6743]  kobject_add_internal+0x59f/0xb40
[  220.109843][ T6743]  kobject_init_and_add+0x125/0x190
[  220.109867][ T6743]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.109890][ T6743]  ? __raw_spin_lock_init+0x45/0x100
[  220.109909][ T6743]  ? __init_swait_queue_head+0xa9/0x150
[  220.109929][ T6743]  gfs2_sys_fs_add+0x234/0x450
[  220.109956][ T6743]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.109984][ T6743]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.110011][ T6743]  gfs2_fill_super+0x13c0/0x20d0
[  220.110038][ T6743]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.110059][ T6743]  ? sb_set_blocksize+0x104/0x180
[  220.110082][ T6743]  ? setup_bdev_super+0x4c1/0x5b0
[  220.110105][ T6743]  get_tree_bdev_flags+0x40e/0x4d0
[  220.110127][ T6743]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.110147][ T6743]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.110172][ T6743]  gfs2_get_tree+0x51/0x1e0
[  220.110194][ T6743]  vfs_get_tree+0x92/0x2b0
[  220.110215][ T6743]  do_new_mount+0x2a2/0xa30
[  220.110240][ T6743]  ? ns_capable+0x8a/0xf0
[  220.110265][ T6743]  ? __pfx_do_new_mount+0x10/0x10
[  220.110287][ T6743]  ? path_mount+0x61c/0xfe0
[  220.110308][ T6743]  ? user_path_at+0x44/0x60
[  220.110328][ T6743]  __se_sys_mount+0x317/0x410
[  220.110353][ T6743]  ? __pfx___se_sys_mount+0x10/0x10
[  220.110379][ T6743]  ? rcu_is_watching+0x15/0xb0
[  220.110403][ T6743]  ? __x64_sys_mount+0x20/0xc0
[  220.110427][ T6743]  do_syscall_64+0xfa/0xfa0
[  220.110449][ T6743]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.110467][ T6743]  ? clear_bhb_loop+0x60/0xb0
[  220.110489][ T6743]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.110506][ T6743] RIP: 0033:0x7f59c179038a
[  220.110523][ T6743] 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
[  220.110540][ T6743] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.110563][ T6743] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  220.110576][ T6743] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  220.110590][ T6743] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  220.110603][ T6743] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  220.110616][ T6743] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  220.110637][ T6743]  </TASK>
[  220.110656][ T6743] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.424995][ T6743] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.662563][ T6746] loop1: detected capacity change from 0 to 32768
[  220.677042][ T6746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.684613][ T6746] CPU: 0 UID: 0 PID: 6746 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT(full) 
[  220.684640][ T6746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.684652][ T6746] Call Trace:
[  220.684659][ T6746]  <TASK>
[  220.684668][ T6746]  dump_stack_lvl+0x189/0x250
[  220.684696][ T6746]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.684720][ T6746]  ? __pfx__printk+0x10/0x10
[  220.684743][ T6746]  ? kernfs_root+0x1c/0x230
[  220.684762][ T6746]  ? kernfs_path_from_node+0x250/0x290
[  220.684777][ T6746]  ? kernfs_path_from_node+0x2f/0x290
[  220.684795][ T6746]  sysfs_create_dir_ns+0x259/0x280
[  220.684823][ T6746]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.684850][ T6746]  ? do_raw_spin_unlock+0x122/0x240
[  220.684871][ T6746]  kobject_add_internal+0x59f/0xb40
[  220.684899][ T6746]  kobject_init_and_add+0x125/0x190
[  220.684924][ T6746]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.684946][ T6746]  ? __raw_spin_lock_init+0x45/0x100
[  220.684964][ T6746]  ? __init_swait_queue_head+0xa9/0x150
[  220.684984][ T6746]  gfs2_sys_fs_add+0x234/0x450
[  220.685010][ T6746]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.685048][ T6746]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.685073][ T6746]  gfs2_fill_super+0x13c0/0x20d0
[  220.685099][ T6746]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.685120][ T6746]  ? sb_set_blocksize+0x104/0x180
[  220.685144][ T6746]  ? setup_bdev_super+0x4c1/0x5b0
[  220.685166][ T6746]  get_tree_bdev_flags+0x40e/0x4d0
[  220.685187][ T6746]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.685206][ T6746]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.685231][ T6746]  gfs2_get_tree+0x51/0x1e0
[  220.685253][ T6746]  vfs_get_tree+0x92/0x2b0
[  220.685275][ T6746]  do_new_mount+0x2a2/0xa30
[  220.685298][ T6746]  ? ns_capable+0x8a/0xf0
[  220.685323][ T6746]  ? __pfx_do_new_mount+0x10/0x10
[  220.685346][ T6746]  ? path_mount+0x61c/0xfe0
[  220.685366][ T6746]  ? user_path_at+0x44/0x60
[  220.685385][ T6746]  __se_sys_mount+0x317/0x410
[  220.685411][ T6746]  ? __pfx___se_sys_mount+0x10/0x10
[  220.685437][ T6746]  ? rcu_is_watching+0x15/0xb0
[  220.685461][ T6746]  ? __x64_sys_mount+0x20/0xc0
[  220.685486][ T6746]  do_syscall_64+0xfa/0xfa0
[  220.685508][ T6746]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.685527][ T6746]  ? clear_bhb_loop+0x60/0xb0
[  220.685547][ T6746]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.685566][ T6746] RIP: 0033:0x7f59c179038a
[  220.685584][ T6746] 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
[  220.685600][ T6746] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.685624][ T6746] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  220.685639][ T6746] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  220.685653][ T6746] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  220.685666][ T6746] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  220.685679][ T6746] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  220.685699][ T6746]  </TASK>
[  220.685726][ T6746] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.999993][ T6746] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 03:05:27 executed programs: 219
[  221.234156][ T6749] loop1: detected capacity change from 0 to 32768
[  221.246203][ T6749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.257772][ T6749] CPU: 0 UID: 0 PID: 6749 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT(full) 
[  221.257798][ T6749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.257810][ T6749] Call Trace:
[  221.257817][ T6749]  <TASK>
[  221.257825][ T6749]  dump_stack_lvl+0x189/0x250
[  221.257852][ T6749]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.257873][ T6749]  ? __pfx__printk+0x10/0x10
[  221.257895][ T6749]  ? kernfs_root+0x1c/0x230
[  221.257915][ T6749]  ? kernfs_path_from_node+0x250/0x290
[  221.257930][ T6749]  ? kernfs_path_from_node+0x2f/0x290
[  221.257948][ T6749]  sysfs_create_dir_ns+0x259/0x280
[  221.257976][ T6749]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.258002][ T6749]  ? do_raw_spin_unlock+0x122/0x240
[  221.258023][ T6749]  kobject_add_internal+0x59f/0xb40
[  221.258051][ T6749]  kobject_init_and_add+0x125/0x190
[  221.258085][ T6749]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.258108][ T6749]  ? __raw_spin_lock_init+0x45/0x100
[  221.258127][ T6749]  ? __init_swait_queue_head+0xa9/0x150
[  221.258147][ T6749]  gfs2_sys_fs_add+0x234/0x450
[  221.258173][ T6749]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.258201][ T6749]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.258228][ T6749]  gfs2_fill_super+0x13c0/0x20d0
[  221.258252][ T6749]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.258273][ T6749]  ? sb_set_blocksize+0x104/0x180
[  221.258298][ T6749]  ? setup_bdev_super+0x4c1/0x5b0
[  221.258321][ T6749]  get_tree_bdev_flags+0x40e/0x4d0
[  221.258343][ T6749]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.258363][ T6749]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.258388][ T6749]  gfs2_get_tree+0x51/0x1e0
[  221.258409][ T6749]  vfs_get_tree+0x92/0x2b0
[  221.258431][ T6749]  do_new_mount+0x2a2/0xa30
[  221.258455][ T6749]  ? ns_capable+0x8a/0xf0
[  221.258479][ T6749]  ? __pfx_do_new_mount+0x10/0x10
[  221.258501][ T6749]  ? path_mount+0x61c/0xfe0
[  221.258522][ T6749]  ? user_path_at+0x44/0x60
[  221.258543][ T6749]  __se_sys_mount+0x317/0x410
[  221.258568][ T6749]  ? __pfx___se_sys_mount+0x10/0x10
[  221.258593][ T6749]  ? rcu_is_watching+0x15/0xb0
[  221.258619][ T6749]  ? __x64_sys_mount+0x20/0xc0
[  221.258641][ T6749]  do_syscall_64+0xfa/0xfa0
[  221.258663][ T6749]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.258683][ T6749]  ? clear_bhb_loop+0x60/0xb0
[  221.258703][ T6749]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.258721][ T6749] RIP: 0033:0x7f59c179038a
[  221.258738][ T6749] 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
[  221.258756][ T6749] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.258777][ T6749] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  221.258791][ T6749] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  221.258805][ T6749] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  221.258817][ T6749] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  221.258829][ T6749] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  221.258849][ T6749]  </TASK>
[  221.258868][ T6749] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.573546][ T6749] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.804041][ T6752] loop1: detected capacity change from 0 to 32768
[  221.817907][ T6752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.829374][ T6752] CPU: 1 UID: 0 PID: 6752 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT(full) 
[  221.829399][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.829410][ T6752] Call Trace:
[  221.829418][ T6752]  <TASK>
[  221.829426][ T6752]  dump_stack_lvl+0x189/0x250
[  221.829454][ T6752]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.829476][ T6752]  ? __pfx__printk+0x10/0x10
[  221.829498][ T6752]  ? kernfs_root+0x1c/0x230
[  221.829517][ T6752]  ? kernfs_path_from_node+0x250/0x290
[  221.829533][ T6752]  ? kernfs_path_from_node+0x2f/0x290
[  221.829551][ T6752]  sysfs_create_dir_ns+0x259/0x280
[  221.829579][ T6752]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.829606][ T6752]  ? do_raw_spin_unlock+0x122/0x240
[  221.829627][ T6752]  kobject_add_internal+0x59f/0xb40
[  221.829655][ T6752]  kobject_init_and_add+0x125/0x190
[  221.829680][ T6752]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.829703][ T6752]  ? __raw_spin_lock_init+0x45/0x100
[  221.829722][ T6752]  ? __init_swait_queue_head+0xa9/0x150
[  221.829740][ T6752]  gfs2_sys_fs_add+0x234/0x450
[  221.829768][ T6752]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.829797][ T6752]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.829821][ T6752]  gfs2_fill_super+0x13c0/0x20d0
[  221.829849][ T6752]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.829870][ T6752]  ? sb_set_blocksize+0x104/0x180
[  221.829894][ T6752]  ? setup_bdev_super+0x4c1/0x5b0
[  221.829916][ T6752]  get_tree_bdev_flags+0x40e/0x4d0
[  221.829938][ T6752]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.829957][ T6752]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.829983][ T6752]  gfs2_get_tree+0x51/0x1e0
[  221.830003][ T6752]  vfs_get_tree+0x92/0x2b0
[  221.830025][ T6752]  do_new_mount+0x2a2/0xa30
[  221.830050][ T6752]  ? ns_capable+0x8a/0xf0
[  221.830085][ T6752]  ? __pfx_do_new_mount+0x10/0x10
[  221.830108][ T6752]  ? path_mount+0x61c/0xfe0
[  221.830127][ T6752]  ? user_path_at+0x44/0x60
[  221.830147][ T6752]  __se_sys_mount+0x317/0x410
[  221.830173][ T6752]  ? __pfx___se_sys_mount+0x10/0x10
[  221.830197][ T6752]  ? rcu_is_watching+0x15/0xb0
[  221.830221][ T6752]  ? __x64_sys_mount+0x20/0xc0
[  221.830245][ T6752]  do_syscall_64+0xfa/0xfa0
[  221.830266][ T6752]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.830286][ T6752]  ? clear_bhb_loop+0x60/0xb0
[  221.830306][ T6752]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.830323][ T6752] RIP: 0033:0x7f59c179038a
[  221.830340][ T6752] 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
[  221.830357][ T6752] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.830379][ T6752] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  221.830393][ T6752] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  221.830405][ T6752] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  221.830418][ T6752] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  221.830431][ T6752] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  221.830452][ T6752]  </TASK>
[  221.830472][ T6752] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.144265][ T6752] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.151301][ T5877] Bluetooth: hci1: command 0x0406 tx timeout
[  222.382971][ T6755] loop1: detected capacity change from 0 to 32768
[  222.410450][ T6755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.418350][ T6755] CPU: 1 UID: 0 PID: 6755 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT(full) 
[  222.418375][ T6755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.418388][ T6755] Call Trace:
[  222.418395][ T6755]  <TASK>
[  222.418403][ T6755]  dump_stack_lvl+0x189/0x250
[  222.418432][ T6755]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.418454][ T6755]  ? __pfx__printk+0x10/0x10
[  222.418478][ T6755]  ? kernfs_root+0x1c/0x230
[  222.418497][ T6755]  ? kernfs_path_from_node+0x250/0x290
[  222.418513][ T6755]  ? kernfs_path_from_node+0x2f/0x290
[  222.418532][ T6755]  sysfs_create_dir_ns+0x259/0x280
[  222.418559][ T6755]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.418586][ T6755]  ? do_raw_spin_unlock+0x122/0x240
[  222.418608][ T6755]  kobject_add_internal+0x59f/0xb40
[  222.418635][ T6755]  kobject_init_and_add+0x125/0x190
[  222.418660][ T6755]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.418684][ T6755]  ? __raw_spin_lock_init+0x45/0x100
[  222.418703][ T6755]  ? __init_swait_queue_head+0xa9/0x150
[  222.418722][ T6755]  gfs2_sys_fs_add+0x234/0x450
[  222.418749][ T6755]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.418778][ T6755]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.418804][ T6755]  gfs2_fill_super+0x13c0/0x20d0
[  222.418830][ T6755]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.418851][ T6755]  ? sb_set_blocksize+0x104/0x180
[  222.418876][ T6755]  ? setup_bdev_super+0x4c1/0x5b0
[  222.418899][ T6755]  get_tree_bdev_flags+0x40e/0x4d0
[  222.418921][ T6755]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.418941][ T6755]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.418967][ T6755]  gfs2_get_tree+0x51/0x1e0
[  222.418988][ T6755]  vfs_get_tree+0x92/0x2b0
[  222.419010][ T6755]  do_new_mount+0x2a2/0xa30
[  222.419035][ T6755]  ? ns_capable+0x8a/0xf0
[  222.419070][ T6755]  ? __pfx_do_new_mount+0x10/0x10
[  222.419093][ T6755]  ? path_mount+0x61c/0xfe0
[  222.419114][ T6755]  ? user_path_at+0x44/0x60
[  222.419134][ T6755]  __se_sys_mount+0x317/0x410
[  222.419160][ T6755]  ? __pfx___se_sys_mount+0x10/0x10
[  222.419185][ T6755]  ? rcu_is_watching+0x15/0xb0
[  222.419211][ T6755]  ? __x64_sys_mount+0x20/0xc0
[  222.419235][ T6755]  do_syscall_64+0xfa/0xfa0
[  222.419257][ T6755]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.419275][ T6755]  ? clear_bhb_loop+0x60/0xb0
[  222.419296][ T6755]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.419314][ T6755] RIP: 0033:0x7f59c179038a
[  222.419331][ T6755] 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
[  222.419347][ T6755] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.419371][ T6755] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  222.419385][ T6755] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  222.419399][ T6755] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  222.419412][ T6755] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  222.419424][ T6755] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  222.419445][ T6755]  </TASK>
[  222.419465][ T6755] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.734632][ T6755] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.965380][ T6758] loop1: detected capacity change from 0 to 32768
[  222.980607][ T6758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.988710][ T6758] CPU: 1 UID: 0 PID: 6758 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT(full) 
[  222.988736][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.988762][ T6758] Call Trace:
[  222.988769][ T6758]  <TASK>
[  222.988777][ T6758]  dump_stack_lvl+0x189/0x250
[  222.988807][ T6758]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.988830][ T6758]  ? __pfx__printk+0x10/0x10
[  222.988853][ T6758]  ? kernfs_root+0x1c/0x230
[  222.988872][ T6758]  ? kernfs_path_from_node+0x250/0x290
[  222.988889][ T6758]  ? kernfs_path_from_node+0x2f/0x290
[  222.988908][ T6758]  sysfs_create_dir_ns+0x259/0x280
[  222.988933][ T6758]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.988960][ T6758]  ? do_raw_spin_unlock+0x122/0x240
[  222.988982][ T6758]  kobject_add_internal+0x59f/0xb40
[  222.989009][ T6758]  kobject_init_and_add+0x125/0x190
[  222.989033][ T6758]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.989056][ T6758]  ? __raw_spin_lock_init+0x45/0x100
[  222.989075][ T6758]  ? __init_swait_queue_head+0xa9/0x150
[  222.989094][ T6758]  gfs2_sys_fs_add+0x234/0x450
[  222.989120][ T6758]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.989148][ T6758]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.989175][ T6758]  gfs2_fill_super+0x13c0/0x20d0
[  222.989200][ T6758]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.989222][ T6758]  ? sb_set_blocksize+0x104/0x180
[  222.989248][ T6758]  ? setup_bdev_super+0x4c1/0x5b0
[  222.989272][ T6758]  get_tree_bdev_flags+0x40e/0x4d0
[  222.989294][ T6758]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.989313][ T6758]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.989338][ T6758]  gfs2_get_tree+0x51/0x1e0
[  222.989359][ T6758]  vfs_get_tree+0x92/0x2b0
[  222.989382][ T6758]  do_new_mount+0x2a2/0xa30
[  222.989405][ T6758]  ? ns_capable+0x8a/0xf0
[  222.989430][ T6758]  ? __pfx_do_new_mount+0x10/0x10
[  222.989452][ T6758]  ? path_mount+0x61c/0xfe0
[  222.989473][ T6758]  ? user_path_at+0x44/0x60
[  222.989493][ T6758]  __se_sys_mount+0x317/0x410
[  222.989518][ T6758]  ? __pfx___se_sys_mount+0x10/0x10
[  222.989544][ T6758]  ? rcu_is_watching+0x15/0xb0
[  222.989569][ T6758]  ? __x64_sys_mount+0x20/0xc0
[  222.989591][ T6758]  do_syscall_64+0xfa/0xfa0
[  222.989614][ T6758]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.989633][ T6758]  ? clear_bhb_loop+0x60/0xb0
[  222.989653][ T6758]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.989671][ T6758] RIP: 0033:0x7f59c179038a
[  222.989689][ T6758] 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
[  222.989706][ T6758] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.989727][ T6758] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  222.989751][ T6758] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  222.989766][ T6758] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  222.989778][ T6758] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  222.989791][ T6758] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  222.989812][ T6758]  </TASK>
[  222.989831][ T6758] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.304071][ T6758] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.537864][ T6761] loop1: detected capacity change from 0 to 32768
[  223.549190][ T6761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.557058][ T6761] CPU: 0 UID: 0 PID: 6761 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT(full) 
[  223.557083][ T6761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.557095][ T6761] Call Trace:
[  223.557103][ T6761]  <TASK>
[  223.557111][ T6761]  dump_stack_lvl+0x189/0x250
[  223.557141][ T6761]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.557163][ T6761]  ? __pfx__printk+0x10/0x10
[  223.557187][ T6761]  ? kernfs_root+0x1c/0x230
[  223.557205][ T6761]  ? kernfs_path_from_node+0x250/0x290
[  223.557222][ T6761]  ? kernfs_path_from_node+0x2f/0x290
[  223.557239][ T6761]  sysfs_create_dir_ns+0x259/0x280
[  223.557267][ T6761]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.557295][ T6761]  ? do_raw_spin_unlock+0x122/0x240
[  223.557316][ T6761]  kobject_add_internal+0x59f/0xb40
[  223.557345][ T6761]  kobject_init_and_add+0x125/0x190
[  223.557370][ T6761]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.557393][ T6761]  ? __raw_spin_lock_init+0x45/0x100
[  223.557412][ T6761]  ? __init_swait_queue_head+0xa9/0x150
[  223.557432][ T6761]  gfs2_sys_fs_add+0x234/0x450
[  223.557459][ T6761]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.557488][ T6761]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.557514][ T6761]  gfs2_fill_super+0x13c0/0x20d0
[  223.557541][ T6761]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.557562][ T6761]  ? sb_set_blocksize+0x104/0x180
[  223.557587][ T6761]  ? setup_bdev_super+0x4c1/0x5b0
[  223.557611][ T6761]  get_tree_bdev_flags+0x40e/0x4d0
[  223.557631][ T6761]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.557650][ T6761]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.557676][ T6761]  gfs2_get_tree+0x51/0x1e0
[  223.557697][ T6761]  vfs_get_tree+0x92/0x2b0
[  223.557730][ T6761]  do_new_mount+0x2a2/0xa30
[  223.557755][ T6761]  ? ns_capable+0x8a/0xf0
[  223.557779][ T6761]  ? __pfx_do_new_mount+0x10/0x10
[  223.557801][ T6761]  ? path_mount+0x61c/0xfe0
[  223.557821][ T6761]  ? user_path_at+0x44/0x60
[  223.557841][ T6761]  __se_sys_mount+0x317/0x410
[  223.557867][ T6761]  ? __pfx___se_sys_mount+0x10/0x10
[  223.557892][ T6761]  ? rcu_is_watching+0x15/0xb0
[  223.557916][ T6761]  ? __x64_sys_mount+0x20/0xc0
[  223.557940][ T6761]  do_syscall_64+0xfa/0xfa0
[  223.557963][ T6761]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.557980][ T6761]  ? clear_bhb_loop+0x60/0xb0
[  223.558001][ T6761]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.558019][ T6761] RIP: 0033:0x7f59c179038a
[  223.558035][ T6761] 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
[  223.558052][ T6761] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.558074][ T6761] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  223.558089][ T6761] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  223.558102][ T6761] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  223.558115][ T6761] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  223.558129][ T6761] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  223.558150][ T6761]  </TASK>
[  223.558170][ T6761] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.873242][ T6761] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.104897][ T6764] loop1: detected capacity change from 0 to 32768
[  224.118423][ T6764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.126234][ T6764] CPU: 1 UID: 0 PID: 6764 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT(full) 
[  224.126260][ T6764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.126272][ T6764] Call Trace:
[  224.126280][ T6764]  <TASK>
[  224.126288][ T6764]  dump_stack_lvl+0x189/0x250
[  224.126319][ T6764]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.126340][ T6764]  ? __pfx__printk+0x10/0x10
[  224.126364][ T6764]  ? kernfs_root+0x1c/0x230
[  224.126384][ T6764]  ? kernfs_path_from_node+0x250/0x290
[  224.126400][ T6764]  ? kernfs_path_from_node+0x2f/0x290
[  224.126419][ T6764]  sysfs_create_dir_ns+0x259/0x280
[  224.126446][ T6764]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.126473][ T6764]  ? do_raw_spin_unlock+0x122/0x240
[  224.126495][ T6764]  kobject_add_internal+0x59f/0xb40
[  224.126525][ T6764]  kobject_init_and_add+0x125/0x190
[  224.126549][ T6764]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.126572][ T6764]  ? __raw_spin_lock_init+0x45/0x100
[  224.126591][ T6764]  ? __init_swait_queue_head+0xa9/0x150
[  224.126612][ T6764]  gfs2_sys_fs_add+0x234/0x450
[  224.126647][ T6764]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.126677][ T6764]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.126702][ T6764]  gfs2_fill_super+0x13c0/0x20d0
[  224.126745][ T6764]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.126765][ T6764]  ? sb_set_blocksize+0x104/0x180
[  224.126790][ T6764]  ? setup_bdev_super+0x4c1/0x5b0
[  224.126815][ T6764]  get_tree_bdev_flags+0x40e/0x4d0
[  224.126836][ T6764]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.126866][ T6764]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.126890][ T6764]  gfs2_get_tree+0x51/0x1e0
[  224.126912][ T6764]  vfs_get_tree+0x92/0x2b0
[  224.126933][ T6764]  do_new_mount+0x2a2/0xa30
[  224.126957][ T6764]  ? ns_capable+0x8a/0xf0
[  224.126981][ T6764]  ? __pfx_do_new_mount+0x10/0x10
[  224.127003][ T6764]  ? path_mount+0x61c/0xfe0
[  224.127022][ T6764]  ? user_path_at+0x44/0x60
[  224.127043][ T6764]  __se_sys_mount+0x317/0x410
[  224.127069][ T6764]  ? __pfx___se_sys_mount+0x10/0x10
[  224.127094][ T6764]  ? rcu_is_watching+0x15/0xb0
[  224.127119][ T6764]  ? __x64_sys_mount+0x20/0xc0
[  224.127143][ T6764]  do_syscall_64+0xfa/0xfa0
[  224.127165][ T6764]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.127191][ T6764]  ? clear_bhb_loop+0x60/0xb0
[  224.127211][ T6764]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.127229][ T6764] RIP: 0033:0x7f59c179038a
[  224.127246][ T6764] 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
[  224.127263][ T6764] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.127285][ T6764] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  224.127300][ T6764] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  224.127312][ T6764] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  224.127324][ T6764] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  224.127336][ T6764] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  224.127356][ T6764]  </TASK>
[  224.127377][ T6764] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.441425][ T6764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.677077][ T6767] loop1: detected capacity change from 0 to 32768
[  224.685320][ T6767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.693134][ T6767] CPU: 1 UID: 0 PID: 6767 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT(full) 
[  224.693158][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.693171][ T6767] Call Trace:
[  224.693178][ T6767]  <TASK>
[  224.693185][ T6767]  dump_stack_lvl+0x189/0x250
[  224.693213][ T6767]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.693235][ T6767]  ? __pfx__printk+0x10/0x10
[  224.693259][ T6767]  ? kernfs_root+0x1c/0x230
[  224.693278][ T6767]  ? kernfs_path_from_node+0x250/0x290
[  224.693294][ T6767]  ? kernfs_path_from_node+0x2f/0x290
[  224.693313][ T6767]  sysfs_create_dir_ns+0x259/0x280
[  224.693339][ T6767]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.693363][ T6767]  ? do_raw_spin_unlock+0x122/0x240
[  224.693383][ T6767]  kobject_add_internal+0x59f/0xb40
[  224.693409][ T6767]  kobject_init_and_add+0x125/0x190
[  224.693434][ T6767]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.693456][ T6767]  ? __raw_spin_lock_init+0x45/0x100
[  224.693475][ T6767]  ? __init_swait_queue_head+0xa9/0x150
[  224.693493][ T6767]  gfs2_sys_fs_add+0x234/0x450
[  224.693519][ T6767]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.693545][ T6767]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.693568][ T6767]  gfs2_fill_super+0x13c0/0x20d0
[  224.693594][ T6767]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.693614][ T6767]  ? sb_set_blocksize+0x104/0x180
[  224.693638][ T6767]  ? setup_bdev_super+0x4c1/0x5b0
[  224.693661][ T6767]  get_tree_bdev_flags+0x40e/0x4d0
[  224.693683][ T6767]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.693702][ T6767]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.693725][ T6767]  gfs2_get_tree+0x51/0x1e0
[  224.693745][ T6767]  vfs_get_tree+0x92/0x2b0
[  224.693766][ T6767]  do_new_mount+0x2a2/0xa30
[  224.693789][ T6767]  ? ns_capable+0x8a/0xf0
[  224.693814][ T6767]  ? __pfx_do_new_mount+0x10/0x10
[  224.693834][ T6767]  ? path_mount+0x61c/0xfe0
[  224.693854][ T6767]  ? user_path_at+0x44/0x60
[  224.693872][ T6767]  __se_sys_mount+0x317/0x410
[  224.693898][ T6767]  ? __pfx___se_sys_mount+0x10/0x10
[  224.693924][ T6767]  ? rcu_is_watching+0x15/0xb0
[  224.693948][ T6767]  ? __x64_sys_mount+0x20/0xc0
[  224.693989][ T6767]  do_syscall_64+0xfa/0xfa0
[  224.694012][ T6767]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.694030][ T6767]  ? clear_bhb_loop+0x60/0xb0
[  224.694050][ T6767]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.694068][ T6767] RIP: 0033:0x7f59c179038a
[  224.694085][ T6767] 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
[  224.694101][ T6767] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.694124][ T6767] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  224.694139][ T6767] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  224.694152][ T6767] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  224.694166][ T6767] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  224.694179][ T6767] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  224.694200][ T6767]  </TASK>
[  224.694220][ T6767] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.008385][ T6767] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.242833][ T6770] loop1: detected capacity change from 0 to 32768
[  225.253995][ T6770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.261793][ T6770] CPU: 0 UID: 0 PID: 6770 Comm: syz.1.241 Not tainted syzkaller #0 PREEMPT(full) 
[  225.261819][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.261831][ T6770] Call Trace:
[  225.261838][ T6770]  <TASK>
[  225.261846][ T6770]  dump_stack_lvl+0x189/0x250
[  225.261876][ T6770]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.261898][ T6770]  ? __pfx__printk+0x10/0x10
[  225.261922][ T6770]  ? kernfs_root+0x1c/0x230
[  225.261940][ T6770]  ? kernfs_path_from_node+0x250/0x290
[  225.261956][ T6770]  ? kernfs_path_from_node+0x2f/0x290
[  225.261974][ T6770]  sysfs_create_dir_ns+0x259/0x280
[  225.262001][ T6770]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.262037][ T6770]  ? do_raw_spin_unlock+0x122/0x240
[  225.262060][ T6770]  kobject_add_internal+0x59f/0xb40
[  225.262087][ T6770]  kobject_init_and_add+0x125/0x190
[  225.262112][ T6770]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.262134][ T6770]  ? __raw_spin_lock_init+0x45/0x100
[  225.262153][ T6770]  ? __init_swait_queue_head+0xa9/0x150
[  225.262173][ T6770]  gfs2_sys_fs_add+0x234/0x450
[  225.262199][ T6770]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.262226][ T6770]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.262252][ T6770]  gfs2_fill_super+0x13c0/0x20d0
[  225.262280][ T6770]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.262301][ T6770]  ? sb_set_blocksize+0x104/0x180
[  225.262326][ T6770]  ? setup_bdev_super+0x4c1/0x5b0
[  225.262349][ T6770]  get_tree_bdev_flags+0x40e/0x4d0
[  225.262370][ T6770]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.262390][ T6770]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.262415][ T6770]  gfs2_get_tree+0x51/0x1e0
[  225.262437][ T6770]  vfs_get_tree+0x92/0x2b0
[  225.262459][ T6770]  do_new_mount+0x2a2/0xa30
[  225.262484][ T6770]  ? ns_capable+0x8a/0xf0
[  225.262509][ T6770]  ? __pfx_do_new_mount+0x10/0x10
[  225.262530][ T6770]  ? path_mount+0x61c/0xfe0
[  225.262551][ T6770]  ? user_path_at+0x44/0x60
[  225.262571][ T6770]  __se_sys_mount+0x317/0x410
[  225.262597][ T6770]  ? __pfx___se_sys_mount+0x10/0x10
[  225.262621][ T6770]  ? rcu_is_watching+0x15/0xb0
[  225.262646][ T6770]  ? __x64_sys_mount+0x20/0xc0
[  225.262670][ T6770]  do_syscall_64+0xfa/0xfa0
[  225.262692][ T6770]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.262712][ T6770]  ? clear_bhb_loop+0x60/0xb0
[  225.262732][ T6770]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.262750][ T6770] RIP: 0033:0x7f59c179038a
[  225.262768][ T6770] 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
[  225.262783][ T6770] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.262805][ T6770] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  225.262819][ T6770] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  225.262833][ T6770] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  225.262846][ T6770] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  225.262859][ T6770] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  225.262880][ T6770]  </TASK>
[  225.262900][ T6770] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.577163][ T6770] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.812297][ T6773] loop1: detected capacity change from 0 to 32768
[  225.827600][ T6773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.835470][ T6773] CPU: 0 UID: 0 PID: 6773 Comm: syz.1.242 Not tainted syzkaller #0 PREEMPT(full) 
[  225.835495][ T6773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.835525][ T6773] Call Trace:
[  225.835532][ T6773]  <TASK>
[  225.835539][ T6773]  dump_stack_lvl+0x189/0x250
[  225.835568][ T6773]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.835589][ T6773]  ? __pfx__printk+0x10/0x10
[  225.835612][ T6773]  ? kernfs_root+0x1c/0x230
[  225.835630][ T6773]  ? kernfs_path_from_node+0x250/0x290
[  225.835646][ T6773]  ? kernfs_path_from_node+0x2f/0x290
[  225.835664][ T6773]  sysfs_create_dir_ns+0x259/0x280
[  225.835690][ T6773]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.835716][ T6773]  ? do_raw_spin_unlock+0x122/0x240
[  225.835736][ T6773]  kobject_add_internal+0x59f/0xb40
[  225.835762][ T6773]  kobject_init_and_add+0x125/0x190
[  225.835784][ T6773]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.835806][ T6773]  ? __raw_spin_lock_init+0x45/0x100
[  225.835825][ T6773]  ? __init_swait_queue_head+0xa9/0x150
[  225.835844][ T6773]  gfs2_sys_fs_add+0x234/0x450
[  225.835870][ T6773]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.835896][ T6773]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.835921][ T6773]  gfs2_fill_super+0x13c0/0x20d0
[  225.835946][ T6773]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.835966][ T6773]  ? sb_set_blocksize+0x104/0x180
[  225.835990][ T6773]  ? setup_bdev_super+0x4c1/0x5b0
[  225.836011][ T6773]  get_tree_bdev_flags+0x40e/0x4d0
[  225.836041][ T6773]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.836059][ T6773]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.836084][ T6773]  gfs2_get_tree+0x51/0x1e0
[  225.836104][ T6773]  vfs_get_tree+0x92/0x2b0
[  225.836125][ T6773]  do_new_mount+0x2a2/0xa30
[  225.836147][ T6773]  ? ns_capable+0x8a/0xf0
[  225.836171][ T6773]  ? __pfx_do_new_mount+0x10/0x10
[  225.836191][ T6773]  ? path_mount+0x61c/0xfe0
[  225.836211][ T6773]  ? user_path_at+0x44/0x60
[  225.836230][ T6773]  __se_sys_mount+0x317/0x410
[  225.836254][ T6773]  ? __pfx___se_sys_mount+0x10/0x10
[  225.836278][ T6773]  ? rcu_is_watching+0x15/0xb0
[  225.836301][ T6773]  ? __x64_sys_mount+0x20/0xc0
[  225.836324][ T6773]  do_syscall_64+0xfa/0xfa0
[  225.836345][ T6773]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.836362][ T6773]  ? clear_bhb_loop+0x60/0xb0
[  225.836381][ T6773]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.836399][ T6773] RIP: 0033:0x7f59c179038a
[  225.836416][ T6773] 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
[  225.836431][ T6773] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.836453][ T6773] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  225.836466][ T6773] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  225.836480][ T6773] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  225.836492][ T6773] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  225.836505][ T6773] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  225.836525][ T6773]  </TASK>
[  225.836543][ T6773] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.150730][ T6773] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 03:05:32 executed programs: 228
[  226.382589][ T6776] loop1: detected capacity change from 0 to 32768
[  226.405156][ T6776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.412731][ T6776] CPU: 0 UID: 0 PID: 6776 Comm: syz.1.243 Not tainted syzkaller #0 PREEMPT(full) 
[  226.412756][ T6776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.412767][ T6776] Call Trace:
[  226.412774][ T6776]  <TASK>
[  226.412782][ T6776]  dump_stack_lvl+0x189/0x250
[  226.412811][ T6776]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.412833][ T6776]  ? __pfx__printk+0x10/0x10
[  226.412857][ T6776]  ? kernfs_root+0x1c/0x230
[  226.412876][ T6776]  ? kernfs_path_from_node+0x250/0x290
[  226.412893][ T6776]  ? kernfs_path_from_node+0x2f/0x290
[  226.412911][ T6776]  sysfs_create_dir_ns+0x259/0x280
[  226.412938][ T6776]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  226.412967][ T6776]  ? do_raw_spin_unlock+0x122/0x240
[  226.412988][ T6776]  kobject_add_internal+0x59f/0xb40
[  226.413024][ T6776]  kobject_init_and_add+0x125/0x190
[  226.413049][ T6776]  ? __pfx_kobject_init_and_add+0x10/0x10
[  226.413072][ T6776]  ? __raw_spin_lock_init+0x45/0x100
[  226.413091][ T6776]  ? __init_swait_queue_head+0xa9/0x150
[  226.413110][ T6776]  gfs2_sys_fs_add+0x234/0x450
[  226.413137][ T6776]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  226.413165][ T6776]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  226.413192][ T6776]  gfs2_fill_super+0x13c0/0x20d0
[  226.413220][ T6776]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.413242][ T6776]  ? sb_set_blocksize+0x104/0x180
[  226.413268][ T6776]  ? setup_bdev_super+0x4c1/0x5b0
[  226.413293][ T6776]  get_tree_bdev_flags+0x40e/0x4d0
[  226.413315][ T6776]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.413336][ T6776]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.413363][ T6776]  gfs2_get_tree+0x51/0x1e0
[  226.413385][ T6776]  vfs_get_tree+0x92/0x2b0
[  226.413407][ T6776]  do_new_mount+0x2a2/0xa30
[  226.413433][ T6776]  ? ns_capable+0x8a/0xf0
[  226.413458][ T6776]  ? __pfx_do_new_mount+0x10/0x10
[  226.413480][ T6776]  ? path_mount+0x61c/0xfe0
[  226.413501][ T6776]  ? user_path_at+0x44/0x60
[  226.413521][ T6776]  __se_sys_mount+0x317/0x410
[  226.413548][ T6776]  ? __pfx___se_sys_mount+0x10/0x10
[  226.413573][ T6776]  ? rcu_is_watching+0x15/0xb0
[  226.413598][ T6776]  ? __x64_sys_mount+0x20/0xc0
[  226.413623][ T6776]  do_syscall_64+0xfa/0xfa0
[  226.413646][ T6776]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.413666][ T6776]  ? clear_bhb_loop+0x60/0xb0
[  226.413687][ T6776]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.413706][ T6776] RIP: 0033:0x7f59c179038a
[  226.413724][ T6776] 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
[  226.413741][ T6776] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.413763][ T6776] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  226.413777][ T6776] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  226.413791][ T6776] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  226.413805][ T6776] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  226.413818][ T6776] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  226.413840][ T6776]  </TASK>
[  226.413860][ T6776] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.730110][ T6776] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.958320][ T6779] loop1: detected capacity change from 0 to 32768
[  226.974544][ T6779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.982101][ T6779] CPU: 0 UID: 0 PID: 6779 Comm: syz.1.244 Not tainted syzkaller #0 PREEMPT(full) 
[  226.982124][ T6779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.982134][ T6779] Call Trace:
[  226.982140][ T6779]  <TASK>
[  226.982146][ T6779]  dump_stack_lvl+0x189/0x250
[  226.982170][ T6779]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.982187][ T6779]  ? __pfx__printk+0x10/0x10
[  226.982206][ T6779]  ? kernfs_root+0x1c/0x230
[  226.982221][ T6779]  ? kernfs_path_from_node+0x250/0x290
[  226.982234][ T6779]  ? kernfs_path_from_node+0x2f/0x290
[  226.982247][ T6779]  sysfs_create_dir_ns+0x259/0x280
[  226.982269][ T6779]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  226.982290][ T6779]  ? do_raw_spin_unlock+0x122/0x240
[  226.982307][ T6779]  kobject_add_internal+0x59f/0xb40
[  226.982328][ T6779]  kobject_init_and_add+0x125/0x190
[  226.982347][ T6779]  ? __pfx_kobject_init_and_add+0x10/0x10
[  226.982365][ T6779]  ? __raw_spin_lock_init+0x45/0x100
[  226.982380][ T6779]  ? __init_swait_queue_head+0xa9/0x150
[  226.982395][ T6779]  gfs2_sys_fs_add+0x234/0x450
[  226.982416][ T6779]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  226.982438][ T6779]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  226.982457][ T6779]  gfs2_fill_super+0x13c0/0x20d0
[  226.982478][ T6779]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.982495][ T6779]  ? sb_set_blocksize+0x104/0x180
[  226.982514][ T6779]  ? setup_bdev_super+0x4c1/0x5b0
[  226.982533][ T6779]  get_tree_bdev_flags+0x40e/0x4d0
[  226.982549][ T6779]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.982565][ T6779]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.982585][ T6779]  gfs2_get_tree+0x51/0x1e0
[  226.982602][ T6779]  vfs_get_tree+0x92/0x2b0
[  226.982619][ T6779]  do_new_mount+0x2a2/0xa30
[  226.982638][ T6779]  ? ns_capable+0x8a/0xf0
[  226.982657][ T6779]  ? __pfx_do_new_mount+0x10/0x10
[  226.982674][ T6779]  ? path_mount+0x61c/0xfe0
[  226.982690][ T6779]  ? user_path_at+0x44/0x60
[  226.982706][ T6779]  __se_sys_mount+0x317/0x410
[  226.982726][ T6779]  ? __pfx___se_sys_mount+0x10/0x10
[  226.982754][ T6779]  ? rcu_is_watching+0x15/0xb0
[  226.982773][ T6779]  ? __x64_sys_mount+0x20/0xc0
[  226.982792][ T6779]  do_syscall_64+0xfa/0xfa0
[  226.982810][ T6779]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.982824][ T6779]  ? clear_bhb_loop+0x60/0xb0
[  226.982840][ T6779]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.982854][ T6779] RIP: 0033:0x7f59c179038a
[  226.982868][ T6779] 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
[  226.982881][ T6779] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.982899][ T6779] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  226.982910][ T6779] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  226.982921][ T6779] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  226.982931][ T6779] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  226.982941][ T6779] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  226.982957][ T6779]  </TASK>
[  226.982979][ T6779] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.298787][ T6779] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.535644][ T6782] loop1: detected capacity change from 0 to 32768
[  227.546427][ T6782] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.554217][ T6782] CPU: 1 UID: 0 PID: 6782 Comm: syz.1.245 Not tainted syzkaller #0 PREEMPT(full) 
[  227.554243][ T6782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.554256][ T6782] Call Trace:
[  227.554263][ T6782]  <TASK>
[  227.554271][ T6782]  dump_stack_lvl+0x189/0x250
[  227.554300][ T6782]  ? __pfx_dump_stack_lvl+0x10/0x10
[  227.554322][ T6782]  ? __pfx__printk+0x10/0x10
[  227.554345][ T6782]  ? kernfs_root+0x1c/0x230
[  227.554364][ T6782]  ? kernfs_path_from_node+0x250/0x290
[  227.554379][ T6782]  ? kernfs_path_from_node+0x2f/0x290
[  227.554397][ T6782]  sysfs_create_dir_ns+0x259/0x280
[  227.554424][ T6782]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  227.554451][ T6782]  ? do_raw_spin_unlock+0x122/0x240
[  227.554472][ T6782]  kobject_add_internal+0x59f/0xb40
[  227.554499][ T6782]  kobject_init_and_add+0x125/0x190
[  227.554524][ T6782]  ? __pfx_kobject_init_and_add+0x10/0x10
[  227.554547][ T6782]  ? __raw_spin_lock_init+0x45/0x100
[  227.554567][ T6782]  ? __init_swait_queue_head+0xa9/0x150
[  227.554586][ T6782]  gfs2_sys_fs_add+0x234/0x450
[  227.554612][ T6782]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  227.554641][ T6782]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  227.554666][ T6782]  gfs2_fill_super+0x13c0/0x20d0
[  227.554693][ T6782]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.554715][ T6782]  ? sb_set_blocksize+0x104/0x180
[  227.554738][ T6782]  ? setup_bdev_super+0x4c1/0x5b0
[  227.554761][ T6782]  get_tree_bdev_flags+0x40e/0x4d0
[  227.554781][ T6782]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.554802][ T6782]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  227.554829][ T6782]  gfs2_get_tree+0x51/0x1e0
[  227.554849][ T6782]  vfs_get_tree+0x92/0x2b0
[  227.554870][ T6782]  do_new_mount+0x2a2/0xa30
[  227.554896][ T6782]  ? ns_capable+0x8a/0xf0
[  227.554920][ T6782]  ? __pfx_do_new_mount+0x10/0x10
[  227.554950][ T6782]  ? path_mount+0x61c/0xfe0
[  227.554971][ T6782]  ? user_path_at+0x44/0x60
[  227.554999][ T6782]  __se_sys_mount+0x317/0x410
[  227.555025][ T6782]  ? __pfx___se_sys_mount+0x10/0x10
[  227.555050][ T6782]  ? rcu_is_watching+0x15/0xb0
[  227.555075][ T6782]  ? __x64_sys_mount+0x20/0xc0
[  227.555099][ T6782]  do_syscall_64+0xfa/0xfa0
[  227.555122][ T6782]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.555141][ T6782]  ? clear_bhb_loop+0x60/0xb0
[  227.555160][ T6782]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.555178][ T6782] RIP: 0033:0x7f59c179038a
[  227.555194][ T6782] 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
[  227.555211][ T6782] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.555233][ T6782] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  227.555248][ T6782] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  227.555262][ T6782] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  227.555275][ T6782] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  227.555288][ T6782] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  227.555307][ T6782]  </TASK>
[  227.555325][ T6782] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.869534][ T6782] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.100236][ T6785] loop1: detected capacity change from 0 to 32768
[  228.111316][ T6785] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.118932][ T6785] CPU: 0 UID: 0 PID: 6785 Comm: syz.1.246 Not tainted syzkaller #0 PREEMPT(full) 
[  228.118956][ T6785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  228.118968][ T6785] Call Trace:
[  228.118975][ T6785]  <TASK>
[  228.118983][ T6785]  dump_stack_lvl+0x189/0x250
[  228.119010][ T6785]  ? __pfx_dump_stack_lvl+0x10/0x10
[  228.119031][ T6785]  ? __pfx__printk+0x10/0x10
[  228.119053][ T6785]  ? kernfs_root+0x1c/0x230
[  228.119070][ T6785]  ? kernfs_path_from_node+0x250/0x290
[  228.119086][ T6785]  ? kernfs_path_from_node+0x2f/0x290
[  228.119103][ T6785]  sysfs_create_dir_ns+0x259/0x280
[  228.119129][ T6785]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  228.119156][ T6785]  ? do_raw_spin_unlock+0x122/0x240
[  228.119178][ T6785]  kobject_add_internal+0x59f/0xb40
[  228.119206][ T6785]  kobject_init_and_add+0x125/0x190
[  228.119231][ T6785]  ? __pfx_kobject_init_and_add+0x10/0x10
[  228.119253][ T6785]  ? __raw_spin_lock_init+0x45/0x100
[  228.119273][ T6785]  ? __init_swait_queue_head+0xa9/0x150
[  228.119291][ T6785]  gfs2_sys_fs_add+0x234/0x450
[  228.119317][ T6785]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  228.119345][ T6785]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  228.119372][ T6785]  gfs2_fill_super+0x13c0/0x20d0
[  228.119397][ T6785]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.119419][ T6785]  ? sb_set_blocksize+0x104/0x180
[  228.119445][ T6785]  ? setup_bdev_super+0x4c1/0x5b0
[  228.119468][ T6785]  get_tree_bdev_flags+0x40e/0x4d0
[  228.119489][ T6785]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.119509][ T6785]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  228.119534][ T6785]  gfs2_get_tree+0x51/0x1e0
[  228.119555][ T6785]  vfs_get_tree+0x92/0x2b0
[  228.119577][ T6785]  do_new_mount+0x2a2/0xa30
[  228.119601][ T6785]  ? ns_capable+0x8a/0xf0
[  228.119625][ T6785]  ? __pfx_do_new_mount+0x10/0x10
[  228.119648][ T6785]  ? path_mount+0x61c/0xfe0
[  228.119668][ T6785]  ? user_path_at+0x44/0x60
[  228.119699][ T6785]  __se_sys_mount+0x317/0x410
[  228.119725][ T6785]  ? __pfx___se_sys_mount+0x10/0x10
[  228.119750][ T6785]  ? rcu_is_watching+0x15/0xb0
[  228.119775][ T6785]  ? __x64_sys_mount+0x20/0xc0
[  228.119797][ T6785]  do_syscall_64+0xfa/0xfa0
[  228.119820][ T6785]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.119838][ T6785]  ? clear_bhb_loop+0x60/0xb0
[  228.119859][ T6785]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.119877][ T6785] RIP: 0033:0x7f59c179038a
[  228.119894][ T6785] 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
[  228.119911][ T6785] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.119933][ T6785] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  228.119946][ T6785] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  228.119960][ T6785] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  228.119973][ T6785] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  228.119986][ T6785] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  228.120007][ T6785]  </TASK>
[  228.120026][ T6785] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.434739][ T6785] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.668693][ T6788] loop1: detected capacity change from 0 to 32768
[  228.685011][ T6788] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.692784][ T6788] CPU: 1 UID: 0 PID: 6788 Comm: syz.1.247 Not tainted syzkaller #0 PREEMPT(full) 
[  228.692808][ T6788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  228.692821][ T6788] Call Trace:
[  228.692828][ T6788]  <TASK>
[  228.692836][ T6788]  dump_stack_lvl+0x189/0x250
[  228.692865][ T6788]  ? __pfx_dump_stack_lvl+0x10/0x10
[  228.692887][ T6788]  ? __pfx__printk+0x10/0x10
[  228.692911][ T6788]  ? kernfs_root+0x1c/0x230
[  228.692930][ T6788]  ? kernfs_path_from_node+0x250/0x290
[  228.692959][ T6788]  ? kernfs_path_from_node+0x2f/0x290
[  228.692977][ T6788]  sysfs_create_dir_ns+0x259/0x280
[  228.693005][ T6788]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  228.693031][ T6788]  ? do_raw_spin_unlock+0x122/0x240
[  228.693053][ T6788]  kobject_add_internal+0x59f/0xb40
[  228.693080][ T6788]  kobject_init_and_add+0x125/0x190
[  228.693104][ T6788]  ? __pfx_kobject_init_and_add+0x10/0x10
[  228.693127][ T6788]  ? __raw_spin_lock_init+0x45/0x100
[  228.693146][ T6788]  ? __init_swait_queue_head+0xa9/0x150
[  228.693166][ T6788]  gfs2_sys_fs_add+0x234/0x450
[  228.693193][ T6788]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  228.693219][ T6788]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  228.693246][ T6788]  gfs2_fill_super+0x13c0/0x20d0
[  228.693273][ T6788]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.693294][ T6788]  ? sb_set_blocksize+0x104/0x180
[  228.693320][ T6788]  ? setup_bdev_super+0x4c1/0x5b0
[  228.693342][ T6788]  get_tree_bdev_flags+0x40e/0x4d0
[  228.693363][ T6788]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.693383][ T6788]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  228.693408][ T6788]  gfs2_get_tree+0x51/0x1e0
[  228.693429][ T6788]  vfs_get_tree+0x92/0x2b0
[  228.693451][ T6788]  do_new_mount+0x2a2/0xa30
[  228.693475][ T6788]  ? ns_capable+0x8a/0xf0
[  228.693500][ T6788]  ? __pfx_do_new_mount+0x10/0x10
[  228.693522][ T6788]  ? path_mount+0x61c/0xfe0
[  228.693542][ T6788]  ? user_path_at+0x44/0x60
[  228.693562][ T6788]  __se_sys_mount+0x317/0x410
[  228.693588][ T6788]  ? __pfx___se_sys_mount+0x10/0x10
[  228.693612][ T6788]  ? rcu_is_watching+0x15/0xb0
[  228.693637][ T6788]  ? __x64_sys_mount+0x20/0xc0
[  228.693661][ T6788]  do_syscall_64+0xfa/0xfa0
[  228.693683][ T6788]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.693699][ T6788]  ? clear_bhb_loop+0x60/0xb0
[  228.693720][ T6788]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.693738][ T6788] RIP: 0033:0x7f59c179038a
[  228.693756][ T6788] 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
[  228.693772][ T6788] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.693795][ T6788] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  228.693809][ T6788] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  228.693822][ T6788] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  228.693835][ T6788] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  228.693848][ T6788] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  228.693869][ T6788]  </TASK>
[  228.693890][ T6788] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.008521][ T6788] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.239589][ T6791] loop1: detected capacity change from 0 to 32768
[  229.253409][ T6791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.260836][ T6791] CPU: 1 UID: 0 PID: 6791 Comm: syz.1.248 Not tainted syzkaller #0 PREEMPT(full) 
[  229.260862][ T6791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  229.260874][ T6791] Call Trace:
[  229.260882][ T6791]  <TASK>
[  229.260890][ T6791]  dump_stack_lvl+0x189/0x250
[  229.260920][ T6791]  ? __pfx_dump_stack_lvl+0x10/0x10
[  229.260941][ T6791]  ? __pfx__printk+0x10/0x10
[  229.260964][ T6791]  ? kernfs_root+0x1c/0x230
[  229.260992][ T6791]  ? kernfs_path_from_node+0x250/0x290
[  229.261009][ T6791]  ? kernfs_path_from_node+0x2f/0x290
[  229.261026][ T6791]  sysfs_create_dir_ns+0x259/0x280
[  229.261054][ T6791]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  229.261086][ T6791]  ? do_raw_spin_unlock+0x122/0x240
[  229.261107][ T6791]  kobject_add_internal+0x59f/0xb40
[  229.261133][ T6791]  kobject_init_and_add+0x125/0x190
[  229.261158][ T6791]  ? __pfx_kobject_init_and_add+0x10/0x10
[  229.261181][ T6791]  ? __raw_spin_lock_init+0x45/0x100
[  229.261201][ T6791]  ? __init_swait_queue_head+0xa9/0x150
[  229.261220][ T6791]  gfs2_sys_fs_add+0x234/0x450
[  229.261245][ T6791]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  229.261273][ T6791]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  229.261299][ T6791]  gfs2_fill_super+0x13c0/0x20d0
[  229.261326][ T6791]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.261347][ T6791]  ? sb_set_blocksize+0x104/0x180
[  229.261372][ T6791]  ? setup_bdev_super+0x4c1/0x5b0
[  229.261395][ T6791]  get_tree_bdev_flags+0x40e/0x4d0
[  229.261416][ T6791]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.261436][ T6791]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  229.261462][ T6791]  gfs2_get_tree+0x51/0x1e0
[  229.261482][ T6791]  vfs_get_tree+0x92/0x2b0
[  229.261503][ T6791]  do_new_mount+0x2a2/0xa30
[  229.261527][ T6791]  ? ns_capable+0x8a/0xf0
[  229.261552][ T6791]  ? __pfx_do_new_mount+0x10/0x10
[  229.261575][ T6791]  ? path_mount+0x61c/0xfe0
[  229.261596][ T6791]  ? user_path_at+0x44/0x60
[  229.261617][ T6791]  __se_sys_mount+0x317/0x410
[  229.261642][ T6791]  ? __pfx___se_sys_mount+0x10/0x10
[  229.261668][ T6791]  ? rcu_is_watching+0x15/0xb0
[  229.261693][ T6791]  ? __x64_sys_mount+0x20/0xc0
[  229.261717][ T6791]  do_syscall_64+0xfa/0xfa0
[  229.261738][ T6791]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.261757][ T6791]  ? clear_bhb_loop+0x60/0xb0
[  229.261778][ T6791]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.261796][ T6791] RIP: 0033:0x7f59c179038a
[  229.261813][ T6791] 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
[  229.261830][ T6791] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.261852][ T6791] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  229.261867][ T6791] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  229.261881][ T6791] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  229.261894][ T6791] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  229.261906][ T6791] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  229.261928][ T6791]  </TASK>
[  229.564084][ T6791] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.584850][ T6791] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.823015][ T6795] loop1: detected capacity change from 0 to 32768
[  229.832779][ T6795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.840222][ T6795] CPU: 0 UID: 0 PID: 6795 Comm: syz.1.249 Not tainted syzkaller #0 PREEMPT(full) 
[  229.840247][ T6795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  229.840259][ T6795] Call Trace:
[  229.840267][ T6795]  <TASK>
[  229.840274][ T6795]  dump_stack_lvl+0x189/0x250
[  229.840303][ T6795]  ? __pfx_dump_stack_lvl+0x10/0x10
[  229.840326][ T6795]  ? __pfx__printk+0x10/0x10
[  229.840349][ T6795]  ? kernfs_root+0x1c/0x230
[  229.840366][ T6795]  ? kernfs_path_from_node+0x250/0x290
[  229.840383][ T6795]  ? kernfs_path_from_node+0x2f/0x290
[  229.840401][ T6795]  sysfs_create_dir_ns+0x259/0x280
[  229.840429][ T6795]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  229.840456][ T6795]  ? do_raw_spin_unlock+0x122/0x240
[  229.840478][ T6795]  kobject_add_internal+0x59f/0xb40
[  229.840506][ T6795]  kobject_init_and_add+0x125/0x190
[  229.840530][ T6795]  ? __pfx_kobject_init_and_add+0x10/0x10
[  229.840552][ T6795]  ? __raw_spin_lock_init+0x45/0x100
[  229.840572][ T6795]  ? __init_swait_queue_head+0xa9/0x150
[  229.840592][ T6795]  gfs2_sys_fs_add+0x234/0x450
[  229.840617][ T6795]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  229.840645][ T6795]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  229.840672][ T6795]  gfs2_fill_super+0x13c0/0x20d0
[  229.840698][ T6795]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.840719][ T6795]  ? sb_set_blocksize+0x104/0x180
[  229.840745][ T6795]  ? setup_bdev_super+0x4c1/0x5b0
[  229.840767][ T6795]  get_tree_bdev_flags+0x40e/0x4d0
[  229.840789][ T6795]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.840809][ T6795]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  229.840835][ T6795]  gfs2_get_tree+0x51/0x1e0
[  229.840856][ T6795]  vfs_get_tree+0x92/0x2b0
[  229.840877][ T6795]  do_new_mount+0x2a2/0xa30
[  229.840902][ T6795]  ? ns_capable+0x8a/0xf0
[  229.840939][ T6795]  ? __pfx_do_new_mount+0x10/0x10
[  229.840962][ T6795]  ? path_mount+0x61c/0xfe0
[  229.840983][ T6795]  ? user_path_at+0x44/0x60
[  229.841003][ T6795]  __se_sys_mount+0x317/0x410
[  229.841030][ T6795]  ? __pfx___se_sys_mount+0x10/0x10
[  229.841054][ T6795]  ? rcu_is_watching+0x15/0xb0
[  229.841084][ T6795]  ? __x64_sys_mount+0x20/0xc0
[  229.841106][ T6795]  do_syscall_64+0xfa/0xfa0
[  229.841128][ T6795]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.841147][ T6795]  ? clear_bhb_loop+0x60/0xb0
[  229.841166][ T6795]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.841184][ T6795] RIP: 0033:0x7f59c179038a
[  229.841202][ T6795] 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
[  229.841219][ T6795] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.841240][ T6795] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  229.841255][ T6795] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  229.841269][ T6795] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  229.841282][ T6795] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  229.841294][ T6795] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  229.841315][ T6795]  </TASK>
[  230.140866][ T6795] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.154922][ T6795] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.385796][ T6798] loop1: detected capacity change from 0 to 32768
[  230.395613][ T6798] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.403203][ T6798] CPU: 1 UID: 0 PID: 6798 Comm: syz.1.250 Not tainted syzkaller #0 PREEMPT(full) 
[  230.403228][ T6798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.403240][ T6798] Call Trace:
[  230.403247][ T6798]  <TASK>
[  230.403254][ T6798]  dump_stack_lvl+0x189/0x250
[  230.403284][ T6798]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.403305][ T6798]  ? __pfx__printk+0x10/0x10
[  230.403329][ T6798]  ? kernfs_root+0x1c/0x230
[  230.403347][ T6798]  ? kernfs_path_from_node+0x250/0x290
[  230.403363][ T6798]  ? kernfs_path_from_node+0x2f/0x290
[  230.403382][ T6798]  sysfs_create_dir_ns+0x259/0x280
[  230.403409][ T6798]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.403436][ T6798]  ? do_raw_spin_unlock+0x122/0x240
[  230.403458][ T6798]  kobject_add_internal+0x59f/0xb40
[  230.403486][ T6798]  kobject_init_and_add+0x125/0x190
[  230.403510][ T6798]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.403533][ T6798]  ? __raw_spin_lock_init+0x45/0x100
[  230.403552][ T6798]  ? __init_swait_queue_head+0xa9/0x150
[  230.403571][ T6798]  gfs2_sys_fs_add+0x234/0x450
[  230.403598][ T6798]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.403626][ T6798]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.403651][ T6798]  gfs2_fill_super+0x13c0/0x20d0
[  230.403677][ T6798]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.403697][ T6798]  ? sb_set_blocksize+0x104/0x180
[  230.403720][ T6798]  ? setup_bdev_super+0x4c1/0x5b0
[  230.403743][ T6798]  get_tree_bdev_flags+0x40e/0x4d0
[  230.403764][ T6798]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.403783][ T6798]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.403809][ T6798]  gfs2_get_tree+0x51/0x1e0
[  230.403830][ T6798]  vfs_get_tree+0x92/0x2b0
[  230.403852][ T6798]  do_new_mount+0x2a2/0xa30
[  230.403877][ T6798]  ? ns_capable+0x8a/0xf0
[  230.403901][ T6798]  ? __pfx_do_new_mount+0x10/0x10
[  230.403923][ T6798]  ? path_mount+0x61c/0xfe0
[  230.403943][ T6798]  ? user_path_at+0x44/0x60
[  230.403963][ T6798]  __se_sys_mount+0x317/0x410
[  230.403998][ T6798]  ? __pfx___se_sys_mount+0x10/0x10
[  230.404024][ T6798]  ? rcu_is_watching+0x15/0xb0
[  230.404049][ T6798]  ? __x64_sys_mount+0x20/0xc0
[  230.404072][ T6798]  do_syscall_64+0xfa/0xfa0
[  230.404094][ T6798]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.404113][ T6798]  ? clear_bhb_loop+0x60/0xb0
[  230.404134][ T6798]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.404152][ T6798] RIP: 0033:0x7f59c179038a
[  230.404169][ T6798] 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
[  230.404186][ T6798] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.404208][ T6798] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  230.404222][ T6798] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  230.404236][ T6798] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  230.404249][ T6798] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  230.404262][ T6798] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  230.404282][ T6798]  </TASK>
[  230.404324][ T6798] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.719509][ T6798] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.969401][ T6803] loop1: detected capacity change from 0 to 32768
[  230.978063][ T6803] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.985899][ T6803] CPU: 0 UID: 0 PID: 6803 Comm: syz.1.251 Not tainted syzkaller #0 PREEMPT(full) 
[  230.985924][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.985937][ T6803] Call Trace:
[  230.985945][ T6803]  <TASK>
[  230.985953][ T6803]  dump_stack_lvl+0x189/0x250
[  230.985984][ T6803]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.986005][ T6803]  ? __pfx__printk+0x10/0x10
[  230.986030][ T6803]  ? kernfs_root+0x1c/0x230
[  230.986050][ T6803]  ? kernfs_path_from_node+0x250/0x290
[  230.986067][ T6803]  ? kernfs_path_from_node+0x2f/0x290
[  230.986087][ T6803]  sysfs_create_dir_ns+0x259/0x280
[  230.986115][ T6803]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.986142][ T6803]  ? do_raw_spin_unlock+0x122/0x240
[  230.986164][ T6803]  kobject_add_internal+0x59f/0xb40
[  230.986190][ T6803]  kobject_init_and_add+0x125/0x190
[  230.986215][ T6803]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.986238][ T6803]  ? __raw_spin_lock_init+0x45/0x100
[  230.986259][ T6803]  ? __init_swait_queue_head+0xa9/0x150
[  230.986280][ T6803]  gfs2_sys_fs_add+0x234/0x450
[  230.986306][ T6803]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.986335][ T6803]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.986361][ T6803]  gfs2_fill_super+0x13c0/0x20d0
[  230.986388][ T6803]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.986410][ T6803]  ? sb_set_blocksize+0x104/0x180
[  230.986436][ T6803]  ? setup_bdev_super+0x4c1/0x5b0
[  230.986460][ T6803]  get_tree_bdev_flags+0x40e/0x4d0
[  230.986481][ T6803]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.986502][ T6803]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.986529][ T6803]  gfs2_get_tree+0x51/0x1e0
[  230.986551][ T6803]  vfs_get_tree+0x92/0x2b0
[  230.986574][ T6803]  do_new_mount+0x2a2/0xa30
[  230.986599][ T6803]  ? ns_capable+0x8a/0xf0
[  230.986624][ T6803]  ? __pfx_do_new_mount+0x10/0x10
[  230.986647][ T6803]  ? path_mount+0x61c/0xfe0
[  230.986669][ T6803]  ? user_path_at+0x44/0x60
[  230.986690][ T6803]  __se_sys_mount+0x317/0x410
[  230.986717][ T6803]  ? __pfx___se_sys_mount+0x10/0x10
[  230.986753][ T6803]  ? rcu_is_watching+0x15/0xb0
[  230.986779][ T6803]  ? __x64_sys_mount+0x20/0xc0
[  230.986803][ T6803]  do_syscall_64+0xfa/0xfa0
[  230.986827][ T6803]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.986846][ T6803]  ? clear_bhb_loop+0x60/0xb0
[  230.986867][ T6803]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.986885][ T6803] RIP: 0033:0x7f59c179038a
[  230.986903][ T6803] 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
[  230.986920][ T6803] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.986942][ T6803] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  230.986956][ T6803] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  230.986970][ T6803] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  230.986984][ T6803] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  230.986996][ T6803] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  230.987018][ T6803]  </TASK>
[  230.987037][ T6803] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.301243][ T6803] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 03:05:38 executed programs: 237
[  231.537098][ T6806] loop1: detected capacity change from 0 to 32768
[  231.549420][ T6806] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.556947][ T6806] CPU: 0 UID: 0 PID: 6806 Comm: syz.1.252 Not tainted syzkaller #0 PREEMPT(full) 
[  231.556972][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  231.556984][ T6806] Call Trace:
[  231.556991][ T6806]  <TASK>
[  231.556999][ T6806]  dump_stack_lvl+0x189/0x250
[  231.557026][ T6806]  ? __pfx_dump_stack_lvl+0x10/0x10
[  231.557049][ T6806]  ? __pfx__printk+0x10/0x10
[  231.557074][ T6806]  ? kernfs_root+0x1c/0x230
[  231.557094][ T6806]  ? kernfs_path_from_node+0x250/0x290
[  231.557110][ T6806]  ? kernfs_path_from_node+0x2f/0x290
[  231.557128][ T6806]  sysfs_create_dir_ns+0x259/0x280
[  231.557154][ T6806]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  231.557181][ T6806]  ? do_raw_spin_unlock+0x122/0x240
[  231.557202][ T6806]  kobject_add_internal+0x59f/0xb40
[  231.557229][ T6806]  kobject_init_and_add+0x125/0x190
[  231.557253][ T6806]  ? __pfx_kobject_init_and_add+0x10/0x10
[  231.557276][ T6806]  ? __raw_spin_lock_init+0x45/0x100
[  231.557296][ T6806]  ? __init_swait_queue_head+0xa9/0x150
[  231.557316][ T6806]  gfs2_sys_fs_add+0x234/0x450
[  231.557344][ T6806]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  231.557374][ T6806]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  231.557401][ T6806]  gfs2_fill_super+0x13c0/0x20d0
[  231.557429][ T6806]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.557449][ T6806]  ? sb_set_blocksize+0x104/0x180
[  231.557474][ T6806]  ? setup_bdev_super+0x4c1/0x5b0
[  231.557497][ T6806]  get_tree_bdev_flags+0x40e/0x4d0
[  231.557517][ T6806]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.557535][ T6806]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  231.557559][ T6806]  gfs2_get_tree+0x51/0x1e0
[  231.557580][ T6806]  vfs_get_tree+0x92/0x2b0
[  231.557601][ T6806]  do_new_mount+0x2a2/0xa30
[  231.557626][ T6806]  ? ns_capable+0x8a/0xf0
[  231.557650][ T6806]  ? __pfx_do_new_mount+0x10/0x10
[  231.557673][ T6806]  ? path_mount+0x61c/0xfe0
[  231.557692][ T6806]  ? user_path_at+0x44/0x60
[  231.557712][ T6806]  __se_sys_mount+0x317/0x410
[  231.557737][ T6806]  ? __pfx___se_sys_mount+0x10/0x10
[  231.557762][ T6806]  ? rcu_is_watching+0x15/0xb0
[  231.557796][ T6806]  ? __x64_sys_mount+0x20/0xc0
[  231.557820][ T6806]  do_syscall_64+0xfa/0xfa0
[  231.557842][ T6806]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.557861][ T6806]  ? clear_bhb_loop+0x60/0xb0
[  231.557880][ T6806]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.557898][ T6806] RIP: 0033:0x7f59c179038a
[  231.557915][ T6806] 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
[  231.557931][ T6806] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.557953][ T6806] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  231.557967][ T6806] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  231.557980][ T6806] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  231.557993][ T6806] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  231.558005][ T6806] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  231.558025][ T6806]  </TASK>
[  231.558045][ T6806] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.873187][ T6806] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.118013][ T6810] loop1: detected capacity change from 0 to 32768
[  232.126772][ T6810] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.134950][ T6810] CPU: 0 UID: 0 PID: 6810 Comm: syz.1.253 Not tainted syzkaller #0 PREEMPT(full) 
[  232.134974][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  232.134984][ T6810] Call Trace:
[  232.134991][ T6810]  <TASK>
[  232.134998][ T6810]  dump_stack_lvl+0x189/0x250
[  232.135027][ T6810]  ? __pfx_dump_stack_lvl+0x10/0x10
[  232.135049][ T6810]  ? __pfx__printk+0x10/0x10
[  232.135071][ T6810]  ? kernfs_root+0x1c/0x230
[  232.135089][ T6810]  ? kernfs_path_from_node+0x250/0x290
[  232.135105][ T6810]  ? kernfs_path_from_node+0x2f/0x290
[  232.135124][ T6810]  sysfs_create_dir_ns+0x259/0x280
[  232.135151][ T6810]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  232.135176][ T6810]  ? do_raw_spin_unlock+0x122/0x240
[  232.135198][ T6810]  kobject_add_internal+0x59f/0xb40
[  232.135223][ T6810]  kobject_init_and_add+0x125/0x190
[  232.135247][ T6810]  ? __pfx_kobject_init_and_add+0x10/0x10
[  232.135269][ T6810]  ? __raw_spin_lock_init+0x45/0x100
[  232.135288][ T6810]  ? __init_swait_queue_head+0xa9/0x150
[  232.135308][ T6810]  gfs2_sys_fs_add+0x234/0x450
[  232.135333][ T6810]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  232.135358][ T6810]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  232.135384][ T6810]  gfs2_fill_super+0x13c0/0x20d0
[  232.135410][ T6810]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.135432][ T6810]  ? sb_set_blocksize+0x104/0x180
[  232.135456][ T6810]  ? setup_bdev_super+0x4c1/0x5b0
[  232.135478][ T6810]  get_tree_bdev_flags+0x40e/0x4d0
[  232.135498][ T6810]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.135517][ T6810]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  232.135540][ T6810]  gfs2_get_tree+0x51/0x1e0
[  232.135561][ T6810]  vfs_get_tree+0x92/0x2b0
[  232.135582][ T6810]  do_new_mount+0x2a2/0xa30
[  232.135606][ T6810]  ? ns_capable+0x8a/0xf0
[  232.135629][ T6810]  ? __pfx_do_new_mount+0x10/0x10
[  232.135651][ T6810]  ? path_mount+0x61c/0xfe0
[  232.135672][ T6810]  ? user_path_at+0x44/0x60
[  232.135692][ T6810]  __se_sys_mount+0x317/0x410
[  232.135729][ T6810]  ? __pfx___se_sys_mount+0x10/0x10
[  232.135754][ T6810]  ? rcu_is_watching+0x15/0xb0
[  232.135778][ T6810]  ? __x64_sys_mount+0x20/0xc0
[  232.135800][ T6810]  do_syscall_64+0xfa/0xfa0
[  232.135821][ T6810]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.135840][ T6810]  ? clear_bhb_loop+0x60/0xb0
[  232.135860][ T6810]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.135878][ T6810] RIP: 0033:0x7f59c179038a
[  232.135894][ T6810] 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
[  232.135911][ T6810] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.135932][ T6810] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  232.135947][ T6810] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  232.135960][ T6810] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  232.135973][ T6810] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  232.135986][ T6810] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  232.136007][ T6810]  </TASK>
[  232.136260][ T6810] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.450305][ T6810] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.688264][ T6815] loop1: detected capacity change from 0 to 32768
[  232.710625][ T6815] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.719047][ T6815] CPU: 1 UID: 0 PID: 6815 Comm: syz.1.254 Not tainted syzkaller #0 PREEMPT(full) 
[  232.719075][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  232.719088][ T6815] Call Trace:
[  232.719095][ T6815]  <TASK>
[  232.719103][ T6815]  dump_stack_lvl+0x189/0x250
[  232.719134][ T6815]  ? __pfx_dump_stack_lvl+0x10/0x10
[  232.719156][ T6815]  ? __pfx__printk+0x10/0x10
[  232.719180][ T6815]  ? kernfs_root+0x1c/0x230
[  232.719199][ T6815]  ? kernfs_path_from_node+0x250/0x290
[  232.719216][ T6815]  ? kernfs_path_from_node+0x2f/0x290
[  232.719235][ T6815]  sysfs_create_dir_ns+0x259/0x280
[  232.719263][ T6815]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  232.719290][ T6815]  ? do_raw_spin_unlock+0x122/0x240
[  232.719312][ T6815]  kobject_add_internal+0x59f/0xb40
[  232.719340][ T6815]  kobject_init_and_add+0x125/0x190
[  232.719364][ T6815]  ? __pfx_kobject_init_and_add+0x10/0x10
[  232.719388][ T6815]  ? __raw_spin_lock_init+0x45/0x100
[  232.719408][ T6815]  ? __init_swait_queue_head+0xa9/0x150
[  232.719428][ T6815]  gfs2_sys_fs_add+0x234/0x450
[  232.719455][ T6815]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  232.719484][ T6815]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  232.719510][ T6815]  gfs2_fill_super+0x13c0/0x20d0
[  232.719537][ T6815]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.719559][ T6815]  ? sb_set_blocksize+0x104/0x180
[  232.719585][ T6815]  ? setup_bdev_super+0x4c1/0x5b0
[  232.719609][ T6815]  get_tree_bdev_flags+0x40e/0x4d0
[  232.719631][ T6815]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.719652][ T6815]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  232.719679][ T6815]  gfs2_get_tree+0x51/0x1e0
[  232.719712][ T6815]  vfs_get_tree+0x92/0x2b0
[  232.719734][ T6815]  do_new_mount+0x2a2/0xa30
[  232.719759][ T6815]  ? ns_capable+0x8a/0xf0
[  232.719784][ T6815]  ? __pfx_do_new_mount+0x10/0x10
[  232.719807][ T6815]  ? path_mount+0x61c/0xfe0
[  232.719829][ T6815]  ? user_path_at+0x44/0x60
[  232.719850][ T6815]  __se_sys_mount+0x317/0x410
[  232.719876][ T6815]  ? __pfx___se_sys_mount+0x10/0x10
[  232.719901][ T6815]  ? rcu_is_watching+0x15/0xb0
[  232.719925][ T6815]  ? __x64_sys_mount+0x20/0xc0
[  232.719947][ T6815]  do_syscall_64+0xfa/0xfa0
[  232.719968][ T6815]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.719985][ T6815]  ? clear_bhb_loop+0x60/0xb0
[  232.720005][ T6815]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.720023][ T6815] RIP: 0033:0x7f59c179038a
[  232.720041][ T6815] 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
[  232.720058][ T6815] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.720081][ T6815] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  232.720096][ T6815] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  232.720109][ T6815] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  232.720122][ T6815] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  232.720136][ T6815] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  232.720157][ T6815]  </TASK>
[  232.720178][ T6815] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.034364][ T6815] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.269794][ T6818] loop1: detected capacity change from 0 to 32768
[  233.289673][ T6818] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.297204][ T6818] CPU: 0 UID: 0 PID: 6818 Comm: syz.1.255 Not tainted syzkaller #0 PREEMPT(full) 
[  233.297230][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  233.297243][ T6818] Call Trace:
[  233.297251][ T6818]  <TASK>
[  233.297259][ T6818]  dump_stack_lvl+0x189/0x250
[  233.297291][ T6818]  ? __pfx_dump_stack_lvl+0x10/0x10
[  233.297314][ T6818]  ? __pfx__printk+0x10/0x10
[  233.297338][ T6818]  ? kernfs_root+0x1c/0x230
[  233.297358][ T6818]  ? kernfs_path_from_node+0x250/0x290
[  233.297375][ T6818]  ? kernfs_path_from_node+0x2f/0x290
[  233.297394][ T6818]  sysfs_create_dir_ns+0x259/0x280
[  233.297421][ T6818]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  233.297450][ T6818]  ? do_raw_spin_unlock+0x122/0x240
[  233.297472][ T6818]  kobject_add_internal+0x59f/0xb40
[  233.297501][ T6818]  kobject_init_and_add+0x125/0x190
[  233.297526][ T6818]  ? __pfx_kobject_init_and_add+0x10/0x10
[  233.297550][ T6818]  ? __raw_spin_lock_init+0x45/0x100
[  233.297570][ T6818]  ? __init_swait_queue_head+0xa9/0x150
[  233.297589][ T6818]  gfs2_sys_fs_add+0x234/0x450
[  233.297617][ T6818]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  233.297647][ T6818]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  233.297672][ T6818]  gfs2_fill_super+0x13c0/0x20d0
[  233.297701][ T6818]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.297723][ T6818]  ? sb_set_blocksize+0x104/0x180
[  233.297749][ T6818]  ? setup_bdev_super+0x4c1/0x5b0
[  233.297773][ T6818]  get_tree_bdev_flags+0x40e/0x4d0
[  233.297795][ T6818]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.297815][ T6818]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  233.297841][ T6818]  gfs2_get_tree+0x51/0x1e0
[  233.297863][ T6818]  vfs_get_tree+0x92/0x2b0
[  233.297885][ T6818]  do_new_mount+0x2a2/0xa30
[  233.297920][ T6818]  ? ns_capable+0x8a/0xf0
[  233.297945][ T6818]  ? __pfx_do_new_mount+0x10/0x10
[  233.297968][ T6818]  ? path_mount+0x61c/0xfe0
[  233.297989][ T6818]  ? user_path_at+0x44/0x60
[  233.298010][ T6818]  __se_sys_mount+0x317/0x410
[  233.298037][ T6818]  ? __pfx___se_sys_mount+0x10/0x10
[  233.298063][ T6818]  ? rcu_is_watching+0x15/0xb0
[  233.298088][ T6818]  ? __x64_sys_mount+0x20/0xc0
[  233.298113][ T6818]  do_syscall_64+0xfa/0xfa0
[  233.298136][ T6818]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.298155][ T6818]  ? clear_bhb_loop+0x60/0xb0
[  233.298176][ T6818]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.298192][ T6818] RIP: 0033:0x7f59c179038a
[  233.298210][ T6818] 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
[  233.298227][ T6818] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.298250][ T6818] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  233.298266][ T6818] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  233.298280][ T6818] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  233.298293][ T6818] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  233.298307][ T6818] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  233.298326][ T6818]  </TASK>
[  233.298346][ T6818] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.613094][ T6818] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.851878][ T6821] loop1: detected capacity change from 0 to 32768
[  233.865190][ T6821] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.873664][ T6821] CPU: 0 UID: 0 PID: 6821 Comm: syz.1.256 Not tainted syzkaller #0 PREEMPT(full) 
[  233.873702][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  233.873715][ T6821] Call Trace:
[  233.873722][ T6821]  <TASK>
[  233.873731][ T6821]  dump_stack_lvl+0x189/0x250
[  233.873762][ T6821]  ? __pfx_dump_stack_lvl+0x10/0x10
[  233.873784][ T6821]  ? __pfx__printk+0x10/0x10
[  233.873807][ T6821]  ? kernfs_root+0x1c/0x230
[  233.873826][ T6821]  ? kernfs_path_from_node+0x250/0x290
[  233.873842][ T6821]  ? kernfs_path_from_node+0x2f/0x290
[  233.873860][ T6821]  sysfs_create_dir_ns+0x259/0x280
[  233.873887][ T6821]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  233.873913][ T6821]  ? do_raw_spin_unlock+0x122/0x240
[  233.873934][ T6821]  kobject_add_internal+0x59f/0xb40
[  233.873961][ T6821]  kobject_init_and_add+0x125/0x190
[  233.873985][ T6821]  ? __pfx_kobject_init_and_add+0x10/0x10
[  233.874008][ T6821]  ? __raw_spin_lock_init+0x45/0x100
[  233.874028][ T6821]  ? __init_swait_queue_head+0xa9/0x150
[  233.874048][ T6821]  gfs2_sys_fs_add+0x234/0x450
[  233.874072][ T6821]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  233.874100][ T6821]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  233.874127][ T6821]  gfs2_fill_super+0x13c0/0x20d0
[  233.874153][ T6821]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.874175][ T6821]  ? sb_set_blocksize+0x104/0x180
[  233.874198][ T6821]  ? setup_bdev_super+0x4c1/0x5b0
[  233.874222][ T6821]  get_tree_bdev_flags+0x40e/0x4d0
[  233.874242][ T6821]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.874262][ T6821]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  233.874289][ T6821]  gfs2_get_tree+0x51/0x1e0
[  233.874310][ T6821]  vfs_get_tree+0x92/0x2b0
[  233.874330][ T6821]  do_new_mount+0x2a2/0xa30
[  233.874355][ T6821]  ? ns_capable+0x8a/0xf0
[  233.874381][ T6821]  ? __pfx_do_new_mount+0x10/0x10
[  233.874403][ T6821]  ? path_mount+0x61c/0xfe0
[  233.874424][ T6821]  ? user_path_at+0x44/0x60
[  233.874445][ T6821]  __se_sys_mount+0x317/0x410
[  233.874471][ T6821]  ? __pfx___se_sys_mount+0x10/0x10
[  233.874496][ T6821]  ? rcu_is_watching+0x15/0xb0
[  233.874521][ T6821]  ? __x64_sys_mount+0x20/0xc0
[  233.874546][ T6821]  do_syscall_64+0xfa/0xfa0
[  233.874567][ T6821]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.874585][ T6821]  ? clear_bhb_loop+0x60/0xb0
[  233.874606][ T6821]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.874624][ T6821] RIP: 0033:0x7f59c179038a
[  233.874642][ T6821] 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
[  233.874659][ T6821] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.874690][ T6821] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  233.874705][ T6821] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  233.874718][ T6821] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  233.874731][ T6821] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  233.874744][ T6821] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  233.874764][ T6821]  </TASK>
[  233.874784][ T6821] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.189063][ T6821] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.422853][ T6824] loop1: detected capacity change from 0 to 32768
[  234.434878][ T6824] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.442466][ T6824] CPU: 1 UID: 0 PID: 6824 Comm: syz.1.257 Not tainted syzkaller #0 PREEMPT(full) 
[  234.442490][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  234.442502][ T6824] Call Trace:
[  234.442510][ T6824]  <TASK>
[  234.442516][ T6824]  dump_stack_lvl+0x189/0x250
[  234.442545][ T6824]  ? __pfx_dump_stack_lvl+0x10/0x10
[  234.442566][ T6824]  ? __pfx__printk+0x10/0x10
[  234.442589][ T6824]  ? kernfs_root+0x1c/0x230
[  234.442606][ T6824]  ? kernfs_path_from_node+0x250/0x290
[  234.442622][ T6824]  ? kernfs_path_from_node+0x2f/0x290
[  234.442640][ T6824]  sysfs_create_dir_ns+0x259/0x280
[  234.442666][ T6824]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  234.442691][ T6824]  ? do_raw_spin_unlock+0x122/0x240
[  234.442712][ T6824]  kobject_add_internal+0x59f/0xb40
[  234.442737][ T6824]  kobject_init_and_add+0x125/0x190
[  234.442760][ T6824]  ? __pfx_kobject_init_and_add+0x10/0x10
[  234.442782][ T6824]  ? __raw_spin_lock_init+0x45/0x100
[  234.442801][ T6824]  ? __init_swait_queue_head+0xa9/0x150
[  234.442820][ T6824]  gfs2_sys_fs_add+0x234/0x450
[  234.442846][ T6824]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  234.442872][ T6824]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  234.442906][ T6824]  gfs2_fill_super+0x13c0/0x20d0
[  234.442931][ T6824]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.442952][ T6824]  ? sb_set_blocksize+0x104/0x180
[  234.442975][ T6824]  ? setup_bdev_super+0x4c1/0x5b0
[  234.442998][ T6824]  get_tree_bdev_flags+0x40e/0x4d0
[  234.443018][ T6824]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.443037][ T6824]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  234.443062][ T6824]  gfs2_get_tree+0x51/0x1e0
[  234.443082][ T6824]  vfs_get_tree+0x92/0x2b0
[  234.443102][ T6824]  do_new_mount+0x2a2/0xa30
[  234.443125][ T6824]  ? ns_capable+0x8a/0xf0
[  234.443149][ T6824]  ? __pfx_do_new_mount+0x10/0x10
[  234.443170][ T6824]  ? path_mount+0x61c/0xfe0
[  234.443190][ T6824]  ? user_path_at+0x44/0x60
[  234.443209][ T6824]  __se_sys_mount+0x317/0x410
[  234.443234][ T6824]  ? __pfx___se_sys_mount+0x10/0x10
[  234.443258][ T6824]  ? rcu_is_watching+0x15/0xb0
[  234.443281][ T6824]  ? __x64_sys_mount+0x20/0xc0
[  234.443304][ T6824]  do_syscall_64+0xfa/0xfa0
[  234.443325][ T6824]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.443343][ T6824]  ? clear_bhb_loop+0x60/0xb0
[  234.443362][ T6824]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.443379][ T6824] RIP: 0033:0x7f59c179038a
[  234.443396][ T6824] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.443413][ T6824] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.443434][ T6824] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  234.443447][ T6824] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  234.443460][ T6824] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  234.443473][ T6824] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  234.443485][ T6824] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  234.443505][ T6824]  </TASK>
[  234.443523][ T6824] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.758258][ T6824] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.792733][   T31] INFO: task syz.0.17:6055 blocked for more than 143 seconds.
[  234.812114][   T31]       Not tainted syzkaller #0
[  234.818041][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  234.827304][   T31] task:syz.0.17        state:D stack:24112 pid:6055  tgid:6055  ppid:5973   task_flags:0x400140 flags:0x00004004
[  234.840149][   T31] Call Trace:
[  234.844869][   T31]  <TASK>
[  234.852426][   T31]  __schedule+0x1798/0x4cc0
[  234.856969][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  234.873926][   T31]  ? __pfx___schedule+0x10/0x10
[  234.878826][   T31]  ? do_raw_spin_lock+0x121/0x290
[  234.884300][   T31]  ? schedule+0x91/0x360
[  234.888567][   T31]  ? rcu_is_watching+0x15/0xb0
[  234.896513][   T31]  ? rcu_is_watching+0x15/0xb0
[  234.901929][   T31]  ? lock_release+0x4b/0x3e0
[  234.906555][   T31]  schedule+0x165/0x360
[  234.910734][   T31]  io_schedule+0x80/0xd0
[  234.915468][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  234.921717][   T31]  ? rcu_is_watching+0x15/0xb0
[  234.926527][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  234.932687][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  234.938263][   T31]  ? unwind_next_frame+0xa5/0x2390
[  234.943819][   T31]  ? rcu_is_watching+0x15/0xb0
[  234.948613][   T31]  ? unwind_next_frame+0xa5/0x2390
[  234.954127][   T31]  writeback_iter+0x8d8/0x12a0
[  234.958924][   T31]  iomap_writepages+0x14d/0x2d0
[  234.964156][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  234.969547][   T31]  ? folio_mark_accessed+0x42c/0x8b0
[  234.975153][   T31]  gfs2_writepages+0x177/0x250
[  234.979944][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  234.985589][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  234.990909][   T31]  do_writepages+0x32e/0x550
[  234.995849][   T31]  ? rcu_is_watching+0x15/0xb0
[  235.001049][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  235.006591][   T31]  filemap_fdatawrite+0x199/0x240
[  235.011867][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  235.017467][   T31]  ? rcu_is_watching+0x15/0xb0
[  235.022516][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  235.027743][   T31]  gfs2_log_flush+0x966/0x24c0
[  235.032905][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  235.038398][   T31]  ? __pfx___up_read+0x10/0x10
[  235.043514][   T31]  gfs2_trans_end+0x37c/0x570
[  235.048223][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  235.053810][   T31]  ? do_page_mkwrite+0x14d/0x310
[  235.058774][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  235.064597][   T31]  ? gfs2_fault+0x19a/0x1f0
[  235.069152][   T31]  ? do_page_mkwrite+0x14d/0x310
[  235.074398][   T31]  ? rcu_is_watching+0x15/0xb0
[  235.079200][   T31]  do_page_mkwrite+0x14d/0x310
[  235.084672][   T31]  __handle_mm_fault+0x1916/0x5400
[  235.089997][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  235.095790][   T31]  ? rcu_is_watching+0x15/0xb0
[  235.100590][   T31]  ? lock_vma_under_rcu+0x3cb/0x450
[  235.106757][   T31]  ? __pfx_do_futex+0x10/0x10
[  235.111805][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  235.117392][   T31]  handle_mm_fault+0x40a/0x8e0
[  235.117846][ T6827] loop1: detected capacity change from 0 to 32768
[  235.122851][   T31]  do_user_addr_fault+0xa81/0x1390
[  235.137917][   T31]  ? rcu_is_watching+0x15/0xb0
[  235.143675][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  235.149245][ T6827] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.156772][   T31]  exc_page_fault+0x82/0x100
[  235.161421][   T31]  asm_exc_page_fault+0x26/0x30
[  235.166296][   T31] RIP: 0033:0x7f14136550b3
[  235.170732][   T31] RSP: 002b:00007ffd6856ddd0 EFLAGS: 00010246
[  235.173351][ T6827] CPU: 0 UID: 0 PID: 6827 Comm: syz.1.258 Not tainted syzkaller #0 PREEMPT(full) 
[  235.173374][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.173384][ T6827] Call Trace:
[  235.173391][ T6827]  <TASK>
[  235.173398][ T6827]  dump_stack_lvl+0x189/0x250
[  235.173422][ T6827]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.173442][ T6827]  ? __pfx__printk+0x10/0x10
[  235.173462][ T6827]  ? kernfs_root+0x1c/0x230
[  235.173480][ T6827]  ? kernfs_path_from_node+0x250/0x290
[  235.173494][ T6827]  ? kernfs_path_from_node+0x2f/0x290
[  235.173510][ T6827]  sysfs_create_dir_ns+0x259/0x280
[  235.173534][ T6827]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  235.173558][ T6827]  ? do_raw_spin_unlock+0x122/0x240
[  235.173578][ T6827]  kobject_add_internal+0x59f/0xb40
[  235.173603][ T6827]  kobject_init_and_add+0x125/0x190
[  235.173625][ T6827]  ? __pfx_kobject_init_and_add+0x10/0x10
[  235.173646][ T6827]  ? __raw_spin_lock_init+0x45/0x100
[  235.173663][ T6827]  ? __init_swait_queue_head+0xa9/0x150
[  235.173681][ T6827]  gfs2_sys_fs_add+0x234/0x450
[  235.173706][ T6827]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  235.173731][ T6827]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  235.173753][ T6827]  gfs2_fill_super+0x13c0/0x20d0
[  235.173777][ T6827]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.173797][ T6827]  ? sb_set_blocksize+0x104/0x180
[  235.173818][ T6827]  ? setup_bdev_super+0x4c1/0x5b0
[  235.173839][ T6827]  get_tree_bdev_flags+0x40e/0x4d0
[  235.173858][ T6827]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.173876][ T6827]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  235.173898][ T6827]  gfs2_get_tree+0x51/0x1e0
[  235.173917][ T6827]  vfs_get_tree+0x92/0x2b0
[  235.173945][ T6827]  do_new_mount+0x2a2/0xa30
[  235.173967][ T6827]  ? ns_capable+0x8a/0xf0
[  235.173989][ T6827]  ? __pfx_do_new_mount+0x10/0x10
[  235.174009][ T6827]  ? path_mount+0x61c/0xfe0
[  235.174027][ T6827]  ? user_path_at+0x44/0x60
[  235.174046][ T6827]  __se_sys_mount+0x317/0x410
[  235.174069][ T6827]  ? __pfx___se_sys_mount+0x10/0x10
[  235.174092][ T6827]  ? rcu_is_watching+0x15/0xb0
[  235.174113][ T6827]  ? __x64_sys_mount+0x20/0xc0
[  235.174134][ T6827]  do_syscall_64+0xfa/0xfa0
[  235.174154][ T6827]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.174171][ T6827]  ? clear_bhb_loop+0x60/0xb0
[  235.174189][ T6827]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.174205][ T6827] RIP: 0033:0x7f59c179038a
[  235.174220][ T6827] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.174235][ T6827] RSP: 002b:00007ffc482ee518 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.174254][ T6827] RAX: ffffffffffffffda RBX: 00007ffc482ee5a0 RCX: 00007f59c179038a
[  235.174268][ T6827] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc482ee560
[  235.174280][ T6827] RBP: 000020000001f680 R08: 00007ffc482ee5a0 R09: 0000000000000094
[  235.174292][ T6827] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  235.174303][ T6827] R13: 00007ffc482ee560 R14: 000000000001f790 R15: 00002000000001c0
[  235.174321][ T6827]  </TASK>
[  235.174342][ T6827] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.177242][   T31] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[  235.221191][ T6827] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.222445][   T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055558125e3c8
[  235.517909][   T31] RBP: 00007ffd6856ded8 R08: 0000000000000000 R09: 0000000000000000
[  235.526407][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f14139b5fac
[  235.534438][   T31] R13: 00007f14139b5fa0 R14: fffffffffffffffe R15: 0000000000000006
[  235.542462][   T31]  </TASK>
[  235.545529][   T31] INFO: lockdep is turned off.
[  235.550326][   T31] NMI backtrace for cpu 1
[  235.550342][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  235.550363][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.550374][   T31] Call Trace:
[  235.550382][   T31]  <TASK>
[  235.550389][   T31]  dump_stack_lvl+0x189/0x250
[  235.550418][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.550440][   T31]  ? __pfx__printk+0x10/0x10
[  235.550472][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  235.550501][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  235.550529][   T31]  ? __pfx__printk+0x10/0x10
[  235.550556][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  235.550582][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  235.550611][   T31]  watchdog+0xf60/0xfa0
[  235.550636][   T31]  ? watchdog+0x1e2/0xfa0
[  235.550659][   T31]  kthread+0x711/0x8a0
[  235.550681][   T31]  ? __pfx_watchdog+0x10/0x10
[  235.550702][   T31]  ? __pfx_kthread+0x10/0x10
[  235.550720][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  235.550741][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  235.550761][   T31]  ? __pfx_kthread+0x10/0x10
[  235.550781][   T31]  ret_from_fork+0x47c/0x820
[  235.550808][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  235.550836][   T31]  ? __switch_to_asm+0x39/0x70
[  235.550860][   T31]  ? __switch_to_asm+0x33/0x70
[  235.550883][   T31]  ? __pfx_kthread+0x10/0x10
[  235.550902][   T31]  ret_from_fork_asm+0x1a/0x30
[  235.550934][   T31]  </TASK>
[  235.550943][   T31] Sending NMI from CPU 1 to CPUs 0:
[  235.697039][    C0] NMI backtrace for cpu 0
[  235.697060][    C0] CPU: 0 UID: 0 PID: 6830 Comm: syz.1.259 Not tainted syzkaller #0 PREEMPT(full) 
[  235.697078][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.697087][    C0] RIP: 0010:free_unref_folios+0x3e3/0x14f0
[  235.697113][    C0] Code: e8 d2 8e 0d 00 48 8b 03 48 b9 00 00 00 ff 7f 00 80 ff 48 21 c8 48 b9 00 00 00 00 00 f0 7f 00 48 09 c8 48 89 03 e9 c1 09 00 00 <e9> d0 09 00 00 41 83 ff 20 0f 83 df 09 00 00 41 be 01 00 00 00 44
[  235.697127][    C0] RSP: 0018:ffffc900048773e0 EFLAGS: 00000293
[  235.697143][    C0] RAX: ffffffff822d85c8 RBX: ffffea000161cec0 RCX: ffff88802dcdbc00
[  235.697154][    C0] RDX: 0000000000000000 RSI: 0000000000009bbd RDI: 0000000000000000
[  235.697165][    C0] RBP: 0000000000000000 R08: ffff88803284d4ef R09: 1ffff11006509a9d
[  235.697176][    C0] R10: dffffc0000000000 R11: ffffed1006509a9e R12: dffffc0000000000
[  235.697187][    C0] R13: ffffea000161ce00 R14: 0000000000000000 R15: 0000000000000000
[  235.697197][    C0] FS:  000055555bb1d500(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000
[  235.697211][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  235.697222][    C0] CR2: 00007f59b97ff000 CR3: 00000000729c6000 CR4: 00000000003526f0
[  235.697239][    C0] Call Trace:
[  235.697244][    C0]  <TASK>
[  235.697255][    C0]  ? folio_unqueue_deferred_split+0x93/0x230
[  235.697278][    C0]  folios_put_refs+0x559/0x640
[  235.697296][    C0]  ? __pfx_folios_put_refs+0x10/0x10
[  235.697312][    C0]  ? free_swap_cache+0x109/0x300
[  235.697333][    C0]  free_pages_and_swap_cache+0x277/0x520
[  235.697353][    C0]  ? lock_release+0x4b/0x3e0
[  235.697373][    C0]  ? __pfx_free_pages_and_swap_cache+0x10/0x10
[  235.697393][    C0]  ? __virt_addr_valid+0x1c8/0x5c0
[  235.697416][    C0]  ? __pfx_call_rcu+0x10/0x10
[  235.697441][    C0]  ? tlb_table_flush+0x36d/0x410
[  235.697460][    C0]  ? __pfx_free_pgtables+0x10/0x10
[  235.697480][    C0]  tlb_flush_mmu+0x3a0/0x680
[  235.697501][    C0]  tlb_finish_mmu+0xc3/0x1d0
[  235.697520][    C0]  vms_clear_ptes+0x42c/0x540
[  235.697539][    C0]  ? __pfx_vms_clear_ptes+0x10/0x10
[  235.697559][    C0]  ? __pfx_mas_store_gfp+0x10/0x10
[  235.697574][    C0]  vms_complete_munmap_vmas+0x206/0x8a0
[  235.697597][    C0]  ? __mas_set_range+0x12f/0x3c0
[  235.697614][    C0]  do_vmi_align_munmap+0x358/0x420
[  235.697640][    C0]  ? __pfx_do_vmi_align_munmap+0x10/0x10
[  235.697669][    C0]  do_vmi_munmap+0x253/0x2e0
[  235.697692][    C0]  __vm_munmap+0x23b/0x3d0
[  235.697707][    C0]  ? __pfx___vm_munmap+0x10/0x10
[  235.697732][    C0]  ? rcu_is_watching+0x15/0xb0
[  235.697754][    C0]  __x64_sys_munmap+0x60/0x70
[  235.697771][    C0]  do_syscall_64+0xfa/0xfa0
[  235.697788][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.697803][    C0]  ? clear_bhb_loop+0x60/0xb0
[  235.697818][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.697833][    C0] RIP: 0033:0x7f59c178ec77
[  235.697846][    C0] Code: 00 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.697858][    C0] RSP: 002b:00007ffc482ee4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[  235.697873][    C0] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f59c178ec77
[  235.697884][    C0] RDX: 0000000000000000 RSI: 0000000008400000 RDI: 00007f59b8800000
[  235.697894][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[  235.697904][    C0] R10: 000020000005e5c2 R11: 0000000000000246 R12: 0000000000000003
[  235.697914][    C0] R13: 00007ffc482ee5a0 R14: 00007ffc482ee560 R15: 00007f59b8800000
[  235.697931][    C0]  </TASK>
[  235.698151][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  236.051517][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  236.060628][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  236.070683][   T31] Call Trace:
[  236.073961][   T31]  <TASK>
[  236.076905][   T31]  dump_stack_lvl+0x99/0x250
[  236.081506][   T31]  ? __asan_memcpy+0x40/0x70
[  236.086098][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  236.091299][   T31]  ? __pfx__printk+0x10/0x10
[  236.095908][   T31]  vpanic+0x281/0x750
[  236.099900][   T31]  ? __pfx_vpanic+0x10/0x10
[  236.104407][   T31]  ? rcu_is_watching+0x15/0xb0
[  236.109190][   T31]  ? preempt_schedule+0xae/0xc0
[  236.114041][   T31]  ? preempt_schedule_common+0x83/0xd0
[  236.119504][   T31]  panic+0xb9/0xc0
[  236.123312][   T31]  ? __pfx_panic+0x10/0x10
[  236.127729][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  236.133105][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  236.139265][   T31]  watchdog+0xf9f/0xfa0
[  236.143423][   T31]  ? watchdog+0x1e2/0xfa0
[  236.147754][   T31]  kthread+0x711/0x8a0
[  236.151822][   T31]  ? __pfx_watchdog+0x10/0x10
[  236.156502][   T31]  ? __pfx_kthread+0x10/0x10
[  236.161095][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  236.166295][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  236.171519][   T31]  ? __pfx_kthread+0x10/0x10
[  236.176108][   T31]  ret_from_fork+0x47c/0x820
[  236.180708][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  236.185857][   T31]  ? __switch_to_asm+0x39/0x70
[  236.190633][   T31]  ? __switch_to_asm+0x33/0x70
[  236.195402][   T31]  ? __pfx_kthread+0x10/0x10
[  236.199993][   T31]  ret_from_fork_asm+0x1a/0x30
[  236.204764][   T31]  </TASK>
[  236.207929][   T31] Kernel Offset: disabled
[  236.212260][   T31] Rebooting in 86400 seconds..