_cache_free+0x197/0x620
[  298.704752][ T6609]  __se_sys_mount+0x313/0x410
[  298.704785][ T6609]  ? __pfx___se_sys_mount+0x10/0x10
[  298.704816][ T6609]  ? do_syscall_64+0xbe/0xf80
[  298.704843][ T6609]  ? __x64_sys_mount+0x20/0xc0
[  298.704871][ T6609]  do_syscall_64+0xfa/0xf80
[  298.704899][ T6609]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.704919][ T6609]  ? clear_bhb_loop+0x60/0xb0
[  298.704942][ T6609]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.704962][ T6609] RIP: 0033:0x7fc6f5b90eea
[  298.704981][ T6609] 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
[  298.705007][ T6609] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.705027][ T6609] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  298.705040][ T6609] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  298.705054][ T6609] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  298.705066][ T6609] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  298.705079][ T6609] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  298.705109][ T6609]  </TASK>
[  298.705133][ T6609] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.029091][ T6609] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.421475][ T6613] loop1: detected capacity change from 0 to 32768
[  299.435147][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.443765][ T6613] CPU: 1 UID: 0 PID: 6613 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) 
[  299.443792][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.443806][ T6613] Call Trace:
[  299.443815][ T6613]  <TASK>
[  299.443824][ T6613]  dump_stack_lvl+0x189/0x250
[  299.443859][ T6613]  ? __pfx_dump_stack_lvl+0x10/0x10
[  299.443886][ T6613]  ? __pfx__printk+0x10/0x10
[  299.443924][ T6613]  ? kernfs_path_from_node+0x250/0x290
[  299.443948][ T6613]  ? kernfs_path_from_node+0x2f/0x290
[  299.443978][ T6613]  sysfs_create_dir_ns+0x259/0x280
[  299.444006][ T6613]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.444033][ T6613]  ? do_raw_spin_unlock+0x122/0x240
[  299.444069][ T6613]  kobject_add_internal+0x6ab/0xcc0
[  299.444100][ T6613]  kobject_init_and_add+0x125/0x190
[  299.444139][ T6613]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.444174][ T6613]  ? __raw_spin_lock_init+0x45/0x100
[  299.444206][ T6613]  ? __init_swait_queue_head+0xa9/0x150
[  299.444253][ T6613]  gfs2_sys_fs_add+0x234/0x450
[  299.444285][ T6613]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.444323][ T6613]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.444367][ T6613]  gfs2_fill_super+0x1388/0x21b0
[  299.444408][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.444446][ T6613]  ? sb_set_blocksize+0x155/0x240
[  299.444478][ T6613]  ? setup_bdev_super+0x4c1/0x5b0
[  299.444505][ T6613]  get_tree_bdev_flags+0x40e/0x4d0
[  299.444528][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.444552][ T6613]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.444573][ T6613]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.444617][ T6613]  gfs2_get_tree+0x51/0x1e0
[  299.444644][ T6613]  vfs_get_tree+0x92/0x2a0
[  299.444670][ T6613]  do_new_mount+0x302/0xa10
[  299.444695][ T6613]  ? apparmor_capable+0x137/0x1a0
[  299.444723][ T6613]  ? __pfx_do_new_mount+0x10/0x10
[  299.444750][ T6613]  ? ns_capable+0x8a/0xf0
[  299.444775][ T6613]  ? kmem_cache_free+0x197/0x620
[  299.444809][ T6613]  __se_sys_mount+0x313/0x410
[  299.444843][ T6613]  ? __pfx___se_sys_mount+0x10/0x10
[  299.444876][ T6613]  ? do_syscall_64+0xbe/0xf80
[  299.444903][ T6613]  ? __x64_sys_mount+0x20/0xc0
[  299.444933][ T6613]  do_syscall_64+0xfa/0xf80
[  299.444962][ T6613]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.444984][ T6613]  ? clear_bhb_loop+0x60/0xb0
[  299.445009][ T6613]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.445029][ T6613] RIP: 0033:0x7fc6f5b90eea
[  299.445049][ T6613] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  299.445067][ T6613] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.445088][ T6613] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  299.445103][ T6613] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  299.445118][ T6613] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  299.445132][ T6613] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  299.445146][ T6613] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  299.445180][ T6613]  </TASK>
[  299.445800][ T6613] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.766882][ T6613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.165410][ T6617] loop1: detected capacity change from 0 to 32768
[  300.202558][ T6617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.209979][ T6617] CPU: 0 UID: 0 PID: 6617 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) 
[  300.209999][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.210009][ T6617] Call Trace:
[  300.210016][ T6617]  <TASK>
[  300.210023][ T6617]  dump_stack_lvl+0x189/0x250
[  300.210049][ T6617]  ? __pfx_dump_stack_lvl+0x10/0x10
[  300.210068][ T6617]  ? __pfx__printk+0x10/0x10
[  300.210095][ T6617]  ? kernfs_path_from_node+0x250/0x290
[  300.210113][ T6617]  ? kernfs_path_from_node+0x2f/0x290
[  300.210134][ T6617]  sysfs_create_dir_ns+0x259/0x280
[  300.210153][ T6617]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.210171][ T6617]  ? do_raw_spin_unlock+0x122/0x240
[  300.210197][ T6617]  kobject_add_internal+0x6ab/0xcc0
[  300.210218][ T6617]  kobject_init_and_add+0x125/0x190
[  300.210247][ T6617]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.210271][ T6617]  ? __raw_spin_lock_init+0x45/0x100
[  300.210294][ T6617]  ? __init_swait_queue_head+0xa9/0x150
[  300.210318][ T6617]  gfs2_sys_fs_add+0x234/0x450
[  300.210342][ T6617]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.210372][ T6617]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.210404][ T6617]  gfs2_fill_super+0x1388/0x21b0
[  300.210434][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.210455][ T6617]  ? sb_set_blocksize+0x155/0x240
[  300.210478][ T6617]  ? setup_bdev_super+0x4c1/0x5b0
[  300.210498][ T6617]  get_tree_bdev_flags+0x40e/0x4d0
[  300.210515][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.210532][ T6617]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.210547][ T6617]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.210579][ T6617]  gfs2_get_tree+0x51/0x1e0
[  300.210598][ T6617]  vfs_get_tree+0x92/0x2a0
[  300.210623][ T6617]  do_new_mount+0x302/0xa10
[  300.210642][ T6617]  ? apparmor_capable+0x137/0x1a0
[  300.210662][ T6617]  ? __pfx_do_new_mount+0x10/0x10
[  300.210681][ T6617]  ? ns_capable+0x8a/0xf0
[  300.210699][ T6617]  ? kmem_cache_free+0x197/0x620
[  300.210724][ T6617]  __se_sys_mount+0x313/0x410
[  300.210749][ T6617]  ? __pfx___se_sys_mount+0x10/0x10
[  300.210773][ T6617]  ? do_syscall_64+0xbe/0xf80
[  300.210793][ T6617]  ? __x64_sys_mount+0x20/0xc0
[  300.210815][ T6617]  do_syscall_64+0xfa/0xf80
[  300.210836][ T6617]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.210851][ T6617]  ? clear_bhb_loop+0x60/0xb0
[  300.210870][ T6617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.210885][ T6617] RIP: 0033:0x7fc6f5b90eea
[  300.210899][ T6617] 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
[  300.210913][ T6617] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.210929][ T6617] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  300.210940][ T6617] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  300.210950][ T6617] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  300.210961][ T6617] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  300.210971][ T6617] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  300.210994][ T6617]  </TASK>
[  300.211015][ T6617] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.530532][ T6617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.924164][ T6621] loop1: detected capacity change from 0 to 32768
[  300.955960][ T6621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.963743][ T6621] CPU: 0 UID: 0 PID: 6621 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) 
[  300.963772][ T6621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.963786][ T6621] Call Trace:
[  300.963795][ T6621]  <TASK>
[  300.963804][ T6621]  dump_stack_lvl+0x189/0x250
[  300.963840][ T6621]  ? __pfx_dump_stack_lvl+0x10/0x10
[  300.963866][ T6621]  ? __pfx__printk+0x10/0x10
[  300.963904][ T6621]  ? kernfs_path_from_node+0x250/0x290
[  300.963929][ T6621]  ? kernfs_path_from_node+0x2f/0x290
[  300.963958][ T6621]  sysfs_create_dir_ns+0x259/0x280
[  300.963985][ T6621]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.964012][ T6621]  ? do_raw_spin_unlock+0x122/0x240
[  300.964047][ T6621]  kobject_add_internal+0x6ab/0xcc0
[  300.964077][ T6621]  kobject_init_and_add+0x125/0x190
[  300.964115][ T6621]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.964149][ T6621]  ? __raw_spin_lock_init+0x45/0x100
[  300.964181][ T6621]  ? __init_swait_queue_head+0xa9/0x150
[  300.964214][ T6621]  gfs2_sys_fs_add+0x234/0x450
[  300.964258][ T6621]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.964295][ T6621]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.964330][ T6621]  gfs2_fill_super+0x1388/0x21b0
[  300.964362][ T6621]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.964383][ T6621]  ? sb_set_blocksize+0x155/0x240
[  300.964408][ T6621]  ? setup_bdev_super+0x4c1/0x5b0
[  300.964429][ T6621]  get_tree_bdev_flags+0x40e/0x4d0
[  300.964447][ T6621]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.964465][ T6621]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.964481][ T6621]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.964515][ T6621]  gfs2_get_tree+0x51/0x1e0
[  300.964542][ T6621]  vfs_get_tree+0x92/0x2a0
[  300.964562][ T6621]  do_new_mount+0x302/0xa10
[  300.964583][ T6621]  ? apparmor_capable+0x137/0x1a0
[  300.964604][ T6621]  ? __pfx_do_new_mount+0x10/0x10
[  300.964625][ T6621]  ? ns_capable+0x8a/0xf0
[  300.964651][ T6621]  ? kmem_cache_free+0x197/0x620
[  300.964678][ T6621]  __se_sys_mount+0x313/0x410
[  300.964705][ T6621]  ? __pfx___se_sys_mount+0x10/0x10
[  300.964730][ T6621]  ? do_syscall_64+0xbe/0xf80
[  300.964752][ T6621]  ? __x64_sys_mount+0x20/0xc0
[  300.964776][ T6621]  do_syscall_64+0xfa/0xf80
[  300.964799][ T6621]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.964816][ T6621]  ? clear_bhb_loop+0x60/0xb0
[  300.964835][ T6621]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.964851][ T6621] RIP: 0033:0x7fc6f5b90eea
[  300.964867][ T6621] 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
[  300.964881][ T6621] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.964898][ T6621] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  300.964910][ T6621] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  300.964921][ T6621] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  300.964933][ T6621] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  300.964943][ T6621] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  300.964968][ T6621]  </TASK>
[  300.965161][ T6621] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.291150][ T6621] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.734570][ T6625] loop1: detected capacity change from 0 to 32768
[  301.759286][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.771969][ T6625] CPU: 0 UID: 0 PID: 6625 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  301.771999][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  301.772022][ T6625] Call Trace:
[  301.772032][ T6625]  <TASK>
[  301.772041][ T6625]  dump_stack_lvl+0x189/0x250
[  301.772077][ T6625]  ? __pfx_dump_stack_lvl+0x10/0x10
[  301.772104][ T6625]  ? __pfx__printk+0x10/0x10
[  301.772143][ T6625]  ? kernfs_path_from_node+0x250/0x290
[  301.772167][ T6625]  ? kernfs_path_from_node+0x2f/0x290
[  301.772196][ T6625]  sysfs_create_dir_ns+0x259/0x280
[  301.772224][ T6625]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.772250][ T6625]  ? do_raw_spin_unlock+0x122/0x240
[  301.772287][ T6625]  kobject_add_internal+0x6ab/0xcc0
[  301.772317][ T6625]  kobject_init_and_add+0x125/0x190
[  301.772357][ T6625]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.772391][ T6625]  ? __raw_spin_lock_init+0x45/0x100
[  301.772423][ T6625]  ? __init_swait_queue_head+0xa9/0x150
[  301.772457][ T6625]  gfs2_sys_fs_add+0x234/0x450
[  301.772490][ T6625]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.772536][ T6625]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.772582][ T6625]  gfs2_fill_super+0x1388/0x21b0
[  301.772624][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.772654][ T6625]  ? sb_set_blocksize+0x155/0x240
[  301.772686][ T6625]  ? setup_bdev_super+0x4c1/0x5b0
[  301.772714][ T6625]  get_tree_bdev_flags+0x40e/0x4d0
[  301.772738][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.772761][ T6625]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.772783][ T6625]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.772828][ T6625]  gfs2_get_tree+0x51/0x1e0
[  301.772855][ T6625]  vfs_get_tree+0x92/0x2a0
[  301.772882][ T6625]  do_new_mount+0x302/0xa10
[  301.772921][ T6625]  ? apparmor_capable+0x137/0x1a0
[  301.772949][ T6625]  ? __pfx_do_new_mount+0x10/0x10
[  301.772993][ T6625]  ? ns_capable+0x8a/0xf0
[  301.773019][ T6625]  ? kmem_cache_free+0x197/0x620
[  301.773056][ T6625]  __se_sys_mount+0x313/0x410
[  301.773091][ T6625]  ? __pfx___se_sys_mount+0x10/0x10
[  301.773124][ T6625]  ? do_syscall_64+0xbe/0xf80
[  301.773152][ T6625]  ? __x64_sys_mount+0x20/0xc0
[  301.773183][ T6625]  do_syscall_64+0xfa/0xf80
[  301.773212][ T6625]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.773234][ T6625]  ? clear_bhb_loop+0x60/0xb0
[  301.773261][ T6625]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.773282][ T6625] RIP: 0033:0x7fc6f5b90eea
[  301.773302][ T6625] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  301.773321][ T6625] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.773343][ T6625] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  301.773359][ T6625] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  301.773374][ T6625] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  301.773389][ T6625] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  301.773402][ T6625] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  301.773437][ T6625]  </TASK>
[  301.773466][ T6625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.097521][ T6625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.541090][ T6629] loop1: detected capacity change from 0 to 32768
[  302.573175][ T6629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.580623][ T6629] CPU: 0 UID: 0 PID: 6629 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) 
[  302.580651][ T6629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  302.580665][ T6629] Call Trace:
[  302.580674][ T6629]  <TASK>
[  302.580683][ T6629]  dump_stack_lvl+0x189/0x250
[  302.580718][ T6629]  ? __pfx_dump_stack_lvl+0x10/0x10
[  302.580745][ T6629]  ? __pfx__printk+0x10/0x10
[  302.580783][ T6629]  ? kernfs_path_from_node+0x250/0x290
[  302.580808][ T6629]  ? kernfs_path_from_node+0x2f/0x290
[  302.580836][ T6629]  sysfs_create_dir_ns+0x259/0x280
[  302.580864][ T6629]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.580891][ T6629]  ? do_raw_spin_unlock+0x122/0x240
[  302.580926][ T6629]  kobject_add_internal+0x6ab/0xcc0
[  302.580958][ T6629]  kobject_init_and_add+0x125/0x190
[  302.580996][ T6629]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.581031][ T6629]  ? __raw_spin_lock_init+0x45/0x100
[  302.581063][ T6629]  ? __init_swait_queue_head+0xa9/0x150
[  302.581096][ T6629]  gfs2_sys_fs_add+0x234/0x450
[  302.581130][ T6629]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.581179][ T6629]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.581223][ T6629]  gfs2_fill_super+0x1388/0x21b0
[  302.581264][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.581294][ T6629]  ? sb_set_blocksize+0x155/0x240
[  302.581325][ T6629]  ? setup_bdev_super+0x4c1/0x5b0
[  302.581354][ T6629]  get_tree_bdev_flags+0x40e/0x4d0
[  302.581378][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.581402][ T6629]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.581424][ T6629]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.581469][ T6629]  gfs2_get_tree+0x51/0x1e0
[  302.581497][ T6629]  vfs_get_tree+0x92/0x2a0
[  302.581524][ T6629]  do_new_mount+0x302/0xa10
[  302.581550][ T6629]  ? apparmor_capable+0x137/0x1a0
[  302.581579][ T6629]  ? __pfx_do_new_mount+0x10/0x10
[  302.581606][ T6629]  ? ns_capable+0x8a/0xf0
[  302.581643][ T6629]  ? kmem_cache_free+0x197/0x620
[  302.581678][ T6629]  __se_sys_mount+0x313/0x410
[  302.581713][ T6629]  ? __pfx___se_sys_mount+0x10/0x10
[  302.581749][ T6629]  ? do_syscall_64+0xbe/0xf80
[  302.581775][ T6629]  ? __x64_sys_mount+0x20/0xc0
[  302.581805][ T6629]  do_syscall_64+0xfa/0xf80
[  302.581834][ T6629]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.581855][ T6629]  ? clear_bhb_loop+0x60/0xb0
[  302.581880][ T6629]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.581900][ T6629] RIP: 0033:0x7fc6f5b90eea
[  302.581920][ T6629] 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
[  302.581938][ T6629] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.581959][ T6629] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  302.581974][ T6629] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  302.581988][ T6629] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  302.582003][ T6629] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  302.582016][ T6629] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  302.582050][ T6629]  </TASK>
[  302.891909][ T6629] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.944925][ T6629] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.379925][ T6633] loop1: detected capacity change from 0 to 32768
[  303.405897][ T6633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.413502][ T6633] CPU: 0 UID: 0 PID: 6633 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) 
[  303.413529][ T6633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  303.413544][ T6633] Call Trace:
[  303.413552][ T6633]  <TASK>
[  303.413561][ T6633]  dump_stack_lvl+0x189/0x250
[  303.413596][ T6633]  ? __pfx_dump_stack_lvl+0x10/0x10
[  303.413622][ T6633]  ? __pfx__printk+0x10/0x10
[  303.413659][ T6633]  ? kernfs_path_from_node+0x250/0x290
[  303.413682][ T6633]  ? kernfs_path_from_node+0x2f/0x290
[  303.413710][ T6633]  sysfs_create_dir_ns+0x259/0x280
[  303.413736][ T6633]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.413789][ T6633]  ? do_raw_spin_unlock+0x122/0x240
[  303.413824][ T6633]  kobject_add_internal+0x6ab/0xcc0
[  303.413854][ T6633]  kobject_init_and_add+0x125/0x190
[  303.413891][ T6633]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.413924][ T6633]  ? __raw_spin_lock_init+0x45/0x100
[  303.413955][ T6633]  ? __init_swait_queue_head+0xa9/0x150
[  303.413988][ T6633]  gfs2_sys_fs_add+0x234/0x450
[  303.414020][ T6633]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.414059][ T6633]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.414108][ T6633]  gfs2_fill_super+0x1388/0x21b0
[  303.414163][ T6633]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.414203][ T6633]  ? sb_set_blocksize+0x155/0x240
[  303.414234][ T6633]  ? setup_bdev_super+0x4c1/0x5b0
[  303.414261][ T6633]  get_tree_bdev_flags+0x40e/0x4d0
[  303.414291][ T6633]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.414315][ T6633]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.414336][ T6633]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.414378][ T6633]  gfs2_get_tree+0x51/0x1e0
[  303.414405][ T6633]  vfs_get_tree+0x92/0x2a0
[  303.414431][ T6633]  do_new_mount+0x302/0xa10
[  303.414457][ T6633]  ? apparmor_capable+0x137/0x1a0
[  303.414484][ T6633]  ? __pfx_do_new_mount+0x10/0x10
[  303.414511][ T6633]  ? ns_capable+0x8a/0xf0
[  303.414536][ T6633]  ? kmem_cache_free+0x197/0x620
[  303.414571][ T6633]  __se_sys_mount+0x313/0x410
[  303.414605][ T6633]  ? __pfx___se_sys_mount+0x10/0x10
[  303.414638][ T6633]  ? do_syscall_64+0xbe/0xf80
[  303.414671][ T6633]  ? __x64_sys_mount+0x20/0xc0
[  303.414701][ T6633]  do_syscall_64+0xfa/0xf80
[  303.414730][ T6633]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.414751][ T6633]  ? clear_bhb_loop+0x60/0xb0
[  303.414776][ T6633]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.414796][ T6633] RIP: 0033:0x7fc6f5b90eea
[  303.414815][ T6633] 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
[  303.414833][ T6633] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.414854][ T6633] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  303.414869][ T6633] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  303.414884][ T6633] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  303.414898][ T6633] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  303.414911][ T6633] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  303.414945][ T6633]  </TASK>
[  303.414973][ T6633] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.732539][ T6633] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 01:13:47 executed programs: 151
[  304.175441][ T6637] loop1: detected capacity change from 0 to 32768
[  304.207800][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.217503][ T6637] CPU: 0 UID: 0 PID: 6637 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) 
[  304.217533][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.217547][ T6637] Call Trace:
[  304.217557][ T6637]  <TASK>
[  304.217567][ T6637]  dump_stack_lvl+0x189/0x250
[  304.217603][ T6637]  ? __pfx_dump_stack_lvl+0x10/0x10
[  304.217630][ T6637]  ? __pfx__printk+0x10/0x10
[  304.217668][ T6637]  ? kernfs_path_from_node+0x250/0x290
[  304.217693][ T6637]  ? kernfs_path_from_node+0x2f/0x290
[  304.217722][ T6637]  sysfs_create_dir_ns+0x259/0x280
[  304.217749][ T6637]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.217775][ T6637]  ? do_raw_spin_unlock+0x122/0x240
[  304.217811][ T6637]  kobject_add_internal+0x6ab/0xcc0
[  304.217842][ T6637]  kobject_init_and_add+0x125/0x190
[  304.217881][ T6637]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.217915][ T6637]  ? __raw_spin_lock_init+0x45/0x100
[  304.217946][ T6637]  ? __init_swait_queue_head+0xa9/0x150
[  304.217980][ T6637]  gfs2_sys_fs_add+0x234/0x450
[  304.218013][ T6637]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.218053][ T6637]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.218098][ T6637]  gfs2_fill_super+0x1388/0x21b0
[  304.218141][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.218171][ T6637]  ? sb_set_blocksize+0x155/0x240
[  304.218203][ T6637]  ? setup_bdev_super+0x4c1/0x5b0
[  304.218240][ T6637]  get_tree_bdev_flags+0x40e/0x4d0
[  304.218264][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.218288][ T6637]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.218310][ T6637]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.218355][ T6637]  gfs2_get_tree+0x51/0x1e0
[  304.218382][ T6637]  vfs_get_tree+0x92/0x2a0
[  304.218410][ T6637]  do_new_mount+0x302/0xa10
[  304.218436][ T6637]  ? apparmor_capable+0x137/0x1a0
[  304.218464][ T6637]  ? __pfx_do_new_mount+0x10/0x10
[  304.218492][ T6637]  ? ns_capable+0x8a/0xf0
[  304.218518][ T6637]  ? kmem_cache_free+0x197/0x620
[  304.218554][ T6637]  __se_sys_mount+0x313/0x410
[  304.218590][ T6637]  ? __pfx___se_sys_mount+0x10/0x10
[  304.218623][ T6637]  ? do_syscall_64+0xbe/0xf80
[  304.218651][ T6637]  ? __x64_sys_mount+0x20/0xc0
[  304.218682][ T6637]  do_syscall_64+0xfa/0xf80
[  304.218713][ T6637]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.218734][ T6637]  ? clear_bhb_loop+0x60/0xb0
[  304.218761][ T6637]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.218782][ T6637] RIP: 0033:0x7fc6f5b90eea
[  304.218802][ T6637] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  304.218820][ T6637] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.218843][ T6637] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  304.218858][ T6637] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  304.218873][ T6637] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  304.218889][ T6637] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  304.218902][ T6637] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  304.218937][ T6637]  </TASK>
[  304.219456][ T6637] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.544733][ T6637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.958865][ T6641] loop1: detected capacity change from 0 to 32768
[  304.986365][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.994127][ T6641] CPU: 1 UID: 0 PID: 6641 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) 
[  304.994155][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.994175][ T6641] Call Trace:
[  304.994184][ T6641]  <TASK>
[  304.994194][ T6641]  dump_stack_lvl+0x189/0x250
[  304.994241][ T6641]  ? __pfx_dump_stack_lvl+0x10/0x10
[  304.994267][ T6641]  ? __pfx__printk+0x10/0x10
[  304.994304][ T6641]  ? kernfs_path_from_node+0x250/0x290
[  304.994326][ T6641]  ? kernfs_path_from_node+0x2f/0x290
[  304.994354][ T6641]  sysfs_create_dir_ns+0x259/0x280
[  304.994380][ T6641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.994406][ T6641]  ? do_raw_spin_unlock+0x122/0x240
[  304.994439][ T6641]  kobject_add_internal+0x6ab/0xcc0
[  304.994468][ T6641]  kobject_init_and_add+0x125/0x190
[  304.994505][ T6641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.994537][ T6641]  ? __raw_spin_lock_init+0x45/0x100
[  304.994567][ T6641]  ? __init_swait_queue_head+0xa9/0x150
[  304.994600][ T6641]  gfs2_sys_fs_add+0x234/0x450
[  304.994632][ T6641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.994669][ T6641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.994712][ T6641]  gfs2_fill_super+0x1388/0x21b0
[  304.994752][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.994781][ T6641]  ? sb_set_blocksize+0x155/0x240
[  304.994812][ T6641]  ? setup_bdev_super+0x4c1/0x5b0
[  304.994838][ T6641]  get_tree_bdev_flags+0x40e/0x4d0
[  304.994861][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.994884][ T6641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.994904][ T6641]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.994948][ T6641]  gfs2_get_tree+0x51/0x1e0
[  304.994974][ T6641]  vfs_get_tree+0x92/0x2a0
[  304.994999][ T6641]  do_new_mount+0x302/0xa10
[  304.995024][ T6641]  ? apparmor_capable+0x137/0x1a0
[  304.995051][ T6641]  ? __pfx_do_new_mount+0x10/0x10
[  304.995077][ T6641]  ? ns_capable+0x8a/0xf0
[  304.995102][ T6641]  ? kmem_cache_free+0x197/0x620
[  304.995136][ T6641]  __se_sys_mount+0x313/0x410
[  304.995176][ T6641]  ? __pfx___se_sys_mount+0x10/0x10
[  304.995209][ T6641]  ? do_syscall_64+0xbe/0xf80
[  304.995235][ T6641]  ? __x64_sys_mount+0x20/0xc0
[  304.995265][ T6641]  do_syscall_64+0xfa/0xf80
[  304.995294][ T6641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.995314][ T6641]  ? clear_bhb_loop+0x60/0xb0
[  304.995339][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.995358][ T6641] RIP: 0033:0x7fc6f5b90eea
[  304.995376][ T6641] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  304.995393][ T6641] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.995413][ T6641] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  304.995429][ T6641] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  304.995443][ T6641] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  304.995456][ T6641] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  304.995469][ T6641] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  304.995501][ T6641]  </TASK>
[  304.996028][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  305.318281][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.737274][ T6645] loop1: detected capacity change from 0 to 32768
[  305.753384][ T6645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.760853][ T6645] CPU: 1 UID: 0 PID: 6645 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) 
[  305.760880][ T6645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.760893][ T6645] Call Trace:
[  305.760902][ T6645]  <TASK>
[  305.760911][ T6645]  dump_stack_lvl+0x189/0x250
[  305.760945][ T6645]  ? __pfx_dump_stack_lvl+0x10/0x10
[  305.760971][ T6645]  ? __pfx__printk+0x10/0x10
[  305.761008][ T6645]  ? kernfs_path_from_node+0x250/0x290
[  305.761031][ T6645]  ? kernfs_path_from_node+0x2f/0x290
[  305.761059][ T6645]  sysfs_create_dir_ns+0x259/0x280
[  305.761086][ T6645]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  305.761120][ T6645]  ? do_raw_spin_unlock+0x122/0x240
[  305.761154][ T6645]  kobject_add_internal+0x6ab/0xcc0
[  305.761184][ T6645]  kobject_init_and_add+0x125/0x190
[  305.761222][ T6645]  ? __pfx_kobject_init_and_add+0x10/0x10
[  305.761255][ T6645]  ? __raw_spin_lock_init+0x45/0x100
[  305.761286][ T6645]  ? __init_swait_queue_head+0xa9/0x150
[  305.761319][ T6645]  gfs2_sys_fs_add+0x234/0x450
[  305.761352][ T6645]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  305.761390][ T6645]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  305.761435][ T6645]  gfs2_fill_super+0x1388/0x21b0
[  305.761482][ T6645]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.761510][ T6645]  ? sb_set_blocksize+0x155/0x240
[  305.761561][ T6645]  ? setup_bdev_super+0x4c1/0x5b0
[  305.761588][ T6645]  get_tree_bdev_flags+0x40e/0x4d0
[  305.761612][ T6645]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.761636][ T6645]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  305.761663][ T6645]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  305.761714][ T6645]  gfs2_get_tree+0x51/0x1e0
[  305.761744][ T6645]  vfs_get_tree+0x92/0x2a0
[  305.761771][ T6645]  do_new_mount+0x302/0xa10
[  305.761797][ T6645]  ? apparmor_capable+0x137/0x1a0
[  305.761830][ T6645]  ? __pfx_do_new_mount+0x10/0x10
[  305.761859][ T6645]  ? ns_capable+0x8a/0xf0
[  305.761885][ T6645]  ? kmem_cache_free+0x197/0x620
[  305.761921][ T6645]  __se_sys_mount+0x313/0x410
[  305.761955][ T6645]  ? __pfx___se_sys_mount+0x10/0x10
[  305.761989][ T6645]  ? do_syscall_64+0xbe/0xf80
[  305.762016][ T6645]  ? __x64_sys_mount+0x20/0xc0
[  305.762046][ T6645]  do_syscall_64+0xfa/0xf80
[  305.762077][ T6645]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.762106][ T6645]  ? clear_bhb_loop+0x60/0xb0
[  305.762133][ T6645]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.762153][ T6645] RIP: 0033:0x7fc6f5b90eea
[  305.762174][ T6645] 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
[  305.762193][ T6645] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.762215][ T6645] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  305.762231][ T6645] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  305.762246][ T6645] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  305.762261][ T6645] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  305.762275][ T6645] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  305.762309][ T6645]  </TASK>
[  306.081957][ T6645] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.104313][ T6645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.529365][ T6649] loop1: detected capacity change from 0 to 32768
[  306.565501][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.573949][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) 
[  306.573979][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  306.573993][ T6649] Call Trace:
[  306.574002][ T6649]  <TASK>
[  306.574012][ T6649]  dump_stack_lvl+0x189/0x250
[  306.574047][ T6649]  ? __pfx_dump_stack_lvl+0x10/0x10
[  306.574073][ T6649]  ? __pfx__printk+0x10/0x10
[  306.574111][ T6649]  ? kernfs_path_from_node+0x250/0x290
[  306.574135][ T6649]  ? kernfs_path_from_node+0x2f/0x290
[  306.574164][ T6649]  sysfs_create_dir_ns+0x259/0x280
[  306.574192][ T6649]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  306.574219][ T6649]  ? do_raw_spin_unlock+0x122/0x240
[  306.574267][ T6649]  kobject_add_internal+0x6ab/0xcc0
[  306.574297][ T6649]  kobject_init_and_add+0x125/0x190
[  306.574335][ T6649]  ? __pfx_kobject_init_and_add+0x10/0x10
[  306.574367][ T6649]  ? __raw_spin_lock_init+0x45/0x100
[  306.574414][ T6649]  ? __init_swait_queue_head+0xa9/0x150
[  306.574447][ T6649]  gfs2_sys_fs_add+0x234/0x450
[  306.574481][ T6649]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  306.574521][ T6649]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  306.574566][ T6649]  gfs2_fill_super+0x1388/0x21b0
[  306.574608][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.574638][ T6649]  ? sb_set_blocksize+0x155/0x240
[  306.574670][ T6649]  ? setup_bdev_super+0x4c1/0x5b0
[  306.574697][ T6649]  get_tree_bdev_flags+0x40e/0x4d0
[  306.574721][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.574754][ T6649]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  306.574776][ T6649]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  306.574821][ T6649]  gfs2_get_tree+0x51/0x1e0
[  306.574849][ T6649]  vfs_get_tree+0x92/0x2a0
[  306.574875][ T6649]  do_new_mount+0x302/0xa10
[  306.574901][ T6649]  ? apparmor_capable+0x137/0x1a0
[  306.574930][ T6649]  ? __pfx_do_new_mount+0x10/0x10
[  306.574957][ T6649]  ? ns_capable+0x8a/0xf0
[  306.574983][ T6649]  ? kmem_cache_free+0x197/0x620
[  306.575019][ T6649]  __se_sys_mount+0x313/0x410
[  306.575055][ T6649]  ? __pfx___se_sys_mount+0x10/0x10
[  306.575089][ T6649]  ? do_syscall_64+0xbe/0xf80
[  306.575116][ T6649]  ? __x64_sys_mount+0x20/0xc0
[  306.575147][ T6649]  do_syscall_64+0xfa/0xf80
[  306.575177][ T6649]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.575199][ T6649]  ? clear_bhb_loop+0x60/0xb0
[  306.575225][ T6649]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.575246][ T6649] RIP: 0033:0x7fc6f5b90eea
[  306.575267][ T6649] 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
[  306.575284][ T6649] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.575307][ T6649] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  306.575323][ T6649] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  306.575338][ T6649] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  306.575352][ T6649] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  306.575366][ T6649] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  306.575401][ T6649]  </TASK>
[  306.575429][ T6649] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.899655][ T6649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.365573][ T6653] loop1: detected capacity change from 0 to 32768
[  307.392907][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.400363][ T6653] CPU: 0 UID: 0 PID: 6653 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) 
[  307.400392][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  307.400406][ T6653] Call Trace:
[  307.400415][ T6653]  <TASK>
[  307.400424][ T6653]  dump_stack_lvl+0x189/0x250
[  307.400459][ T6653]  ? __pfx_dump_stack_lvl+0x10/0x10
[  307.400485][ T6653]  ? __pfx__printk+0x10/0x10
[  307.400522][ T6653]  ? kernfs_path_from_node+0x250/0x290
[  307.400545][ T6653]  ? kernfs_path_from_node+0x2f/0x290
[  307.400573][ T6653]  sysfs_create_dir_ns+0x259/0x280
[  307.400599][ T6653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  307.400625][ T6653]  ? do_raw_spin_unlock+0x122/0x240
[  307.400659][ T6653]  kobject_add_internal+0x6ab/0xcc0
[  307.400689][ T6653]  kobject_init_and_add+0x125/0x190
[  307.400727][ T6653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  307.400760][ T6653]  ? __raw_spin_lock_init+0x45/0x100
[  307.400791][ T6653]  ? __init_swait_queue_head+0xa9/0x150
[  307.400823][ T6653]  gfs2_sys_fs_add+0x234/0x450
[  307.400856][ T6653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  307.400894][ T6653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  307.400938][ T6653]  gfs2_fill_super+0x1388/0x21b0
[  307.400986][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.401015][ T6653]  ? sb_set_blocksize+0x155/0x240
[  307.401045][ T6653]  ? setup_bdev_super+0x4c1/0x5b0
[  307.401072][ T6653]  get_tree_bdev_flags+0x40e/0x4d0
[  307.401096][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.401119][ T6653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  307.401139][ T6653]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  307.401182][ T6653]  gfs2_get_tree+0x51/0x1e0
[  307.401209][ T6653]  vfs_get_tree+0x92/0x2a0
[  307.401235][ T6653]  do_new_mount+0x302/0xa10
[  307.401260][ T6653]  ? apparmor_capable+0x137/0x1a0
[  307.401288][ T6653]  ? __pfx_do_new_mount+0x10/0x10
[  307.401315][ T6653]  ? ns_capable+0x8a/0xf0
[  307.401340][ T6653]  ? kmem_cache_free+0x197/0x620
[  307.401376][ T6653]  __se_sys_mount+0x313/0x410
[  307.401410][ T6653]  ? __pfx___se_sys_mount+0x10/0x10
[  307.401443][ T6653]  ? do_syscall_64+0xbe/0xf80
[  307.401469][ T6653]  ? __x64_sys_mount+0x20/0xc0
[  307.401498][ T6653]  do_syscall_64+0xfa/0xf80
[  307.401527][ T6653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.401548][ T6653]  ? clear_bhb_loop+0x60/0xb0
[  307.401574][ T6653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.401594][ T6653] RIP: 0033:0x7fc6f5b90eea
[  307.401614][ T6653] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  307.401631][ T6653] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.401653][ T6653] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  307.401668][ T6653] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  307.401683][ T6653] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  307.401697][ T6653] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  307.401710][ T6653] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  307.401748][ T6653]  </TASK>
[  307.706092][ T6653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.721468][ T6653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.167435][ T6657] loop1: detected capacity change from 0 to 32768
[  308.187628][ T6657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  308.196269][ T6657] CPU: 1 UID: 0 PID: 6657 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  308.196298][ T6657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  308.196311][ T6657] Call Trace:
[  308.196320][ T6657]  <TASK>
[  308.196329][ T6657]  dump_stack_lvl+0x189/0x250
[  308.196364][ T6657]  ? __pfx_dump_stack_lvl+0x10/0x10
[  308.196391][ T6657]  ? __pfx__printk+0x10/0x10
[  308.196428][ T6657]  ? kernfs_path_from_node+0x250/0x290
[  308.196452][ T6657]  ? kernfs_path_from_node+0x2f/0x290
[  308.196478][ T6657]  sysfs_create_dir_ns+0x259/0x280
[  308.196504][ T6657]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  308.196530][ T6657]  ? do_raw_spin_unlock+0x122/0x240
[  308.196566][ T6657]  kobject_add_internal+0x6ab/0xcc0
[  308.196596][ T6657]  kobject_init_and_add+0x125/0x190
[  308.196635][ T6657]  ? __pfx_kobject_init_and_add+0x10/0x10
[  308.196669][ T6657]  ? __raw_spin_lock_init+0x45/0x100
[  308.196700][ T6657]  ? __init_swait_queue_head+0xa9/0x150
[  308.196734][ T6657]  gfs2_sys_fs_add+0x234/0x450
[  308.196779][ T6657]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  308.196818][ T6657]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  308.196861][ T6657]  gfs2_fill_super+0x1388/0x21b0
[  308.196907][ T6657]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.196936][ T6657]  ? sb_set_blocksize+0x155/0x240
[  308.196967][ T6657]  ? setup_bdev_super+0x4c1/0x5b0
[  308.196992][ T6657]  get_tree_bdev_flags+0x40e/0x4d0
[  308.197015][ T6657]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.197038][ T6657]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  308.197058][ T6657]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  308.197100][ T6657]  gfs2_get_tree+0x51/0x1e0
[  308.197127][ T6657]  vfs_get_tree+0x92/0x2a0
[  308.197152][ T6657]  do_new_mount+0x302/0xa10
[  308.197177][ T6657]  ? apparmor_capable+0x137/0x1a0
[  308.197205][ T6657]  ? __pfx_do_new_mount+0x10/0x10
[  308.197231][ T6657]  ? ns_capable+0x8a/0xf0
[  308.197256][ T6657]  ? kmem_cache_free+0x197/0x620
[  308.197291][ T6657]  __se_sys_mount+0x313/0x410
[  308.197331][ T6657]  ? __pfx___se_sys_mount+0x10/0x10
[  308.197381][ T6657]  ? do_syscall_64+0xbe/0xf80
[  308.197408][ T6657]  ? __x64_sys_mount+0x20/0xc0
[  308.197438][ T6657]  do_syscall_64+0xfa/0xf80
[  308.197467][ T6657]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.197489][ T6657]  ? clear_bhb_loop+0x60/0xb0
[  308.197514][ T6657]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.197535][ T6657] RIP: 0033:0x7fc6f5b90eea
[  308.197555][ T6657] 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
[  308.197573][ T6657] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.197595][ T6657] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  308.197611][ T6657] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  308.197626][ T6657] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  308.197641][ T6657] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  308.197654][ T6657] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  308.197689][ T6657]  </TASK>
[  308.198309][ T6657] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  308.522413][ T6657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.925738][ T6661] loop1: detected capacity change from 0 to 32768
[  308.946283][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  308.953837][ T6661] CPU: 0 UID: 0 PID: 6661 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  308.953866][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  308.953880][ T6661] Call Trace:
[  308.953889][ T6661]  <TASK>
[  308.953899][ T6661]  dump_stack_lvl+0x189/0x250
[  308.953936][ T6661]  ? __pfx_dump_stack_lvl+0x10/0x10
[  308.953963][ T6661]  ? __pfx__printk+0x10/0x10
[  308.954001][ T6661]  ? kernfs_path_from_node+0x250/0x290
[  308.954025][ T6661]  ? kernfs_path_from_node+0x2f/0x290
[  308.954054][ T6661]  sysfs_create_dir_ns+0x259/0x280
[  308.954082][ T6661]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  308.954109][ T6661]  ? do_raw_spin_unlock+0x122/0x240
[  308.954145][ T6661]  kobject_add_internal+0x6ab/0xcc0
[  308.954175][ T6661]  kobject_init_and_add+0x125/0x190
[  308.954227][ T6661]  ? __pfx_kobject_init_and_add+0x10/0x10
[  308.954260][ T6661]  ? __raw_spin_lock_init+0x45/0x100
[  308.954290][ T6661]  ? __init_swait_queue_head+0xa9/0x150
[  308.954323][ T6661]  gfs2_sys_fs_add+0x234/0x450
[  308.954356][ T6661]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  308.954393][ T6661]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  308.954436][ T6661]  gfs2_fill_super+0x1388/0x21b0
[  308.954474][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.954501][ T6661]  ? sb_set_blocksize+0x155/0x240
[  308.954532][ T6661]  ? setup_bdev_super+0x4c1/0x5b0
[  308.954558][ T6661]  get_tree_bdev_flags+0x40e/0x4d0
[  308.954581][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.954605][ T6661]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  308.954626][ T6661]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  308.954669][ T6661]  gfs2_get_tree+0x51/0x1e0
[  308.954695][ T6661]  vfs_get_tree+0x92/0x2a0
[  308.954721][ T6661]  do_new_mount+0x302/0xa10
[  308.954746][ T6661]  ? apparmor_capable+0x137/0x1a0
[  308.954774][ T6661]  ? __pfx_do_new_mount+0x10/0x10
[  308.954809][ T6661]  ? ns_capable+0x8a/0xf0
[  308.954835][ T6661]  ? kmem_cache_free+0x197/0x620
[  308.954869][ T6661]  __se_sys_mount+0x313/0x410
[  308.954903][ T6661]  ? __pfx___se_sys_mount+0x10/0x10
[  308.954936][ T6661]  ? do_syscall_64+0xbe/0xf80
[  308.954962][ T6661]  ? __x64_sys_mount+0x20/0xc0
[  308.954992][ T6661]  do_syscall_64+0xfa/0xf80
[  308.955020][ T6661]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.955041][ T6661]  ? clear_bhb_loop+0x60/0xb0
[  308.955065][ T6661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.955085][ T6661] RIP: 0033:0x7fc6f5b90eea
[  308.955105][ T6661] 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
[  308.955123][ T6661] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.955145][ T6661] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  308.955160][ T6661] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  308.955175][ T6661] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  308.955188][ T6661] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  308.955202][ T6661] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  308.955236][ T6661]  </TASK>
[  308.955264][ T6661] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.273149][ T6661] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 01:13:53 executed programs: 158
[  309.707313][ T6665] loop1: detected capacity change from 0 to 32768
[  309.736061][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.752017][ T6665] CPU: 1 UID: 0 PID: 6665 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  309.752047][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  309.752060][ T6665] Call Trace:
[  309.752070][ T6665]  <TASK>
[  309.752079][ T6665]  dump_stack_lvl+0x189/0x250
[  309.752115][ T6665]  ? __pfx_dump_stack_lvl+0x10/0x10
[  309.752141][ T6665]  ? __pfx__printk+0x10/0x10
[  309.752178][ T6665]  ? kernfs_path_from_node+0x250/0x290
[  309.752202][ T6665]  ? kernfs_path_from_node+0x2f/0x290
[  309.752230][ T6665]  sysfs_create_dir_ns+0x259/0x280
[  309.752256][ T6665]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  309.752280][ T6665]  ? do_raw_spin_unlock+0x122/0x240
[  309.752313][ T6665]  kobject_add_internal+0x6ab/0xcc0
[  309.752342][ T6665]  kobject_init_and_add+0x125/0x190
[  309.752380][ T6665]  ? __pfx_kobject_init_and_add+0x10/0x10
[  309.752412][ T6665]  ? __raw_spin_lock_init+0x45/0x100
[  309.752442][ T6665]  ? __init_swait_queue_head+0xa9/0x150
[  309.752477][ T6665]  gfs2_sys_fs_add+0x234/0x450
[  309.752510][ T6665]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  309.752548][ T6665]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  309.752591][ T6665]  gfs2_fill_super+0x1388/0x21b0
[  309.752632][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.752660][ T6665]  ? sb_set_blocksize+0x155/0x240
[  309.752698][ T6665]  ? setup_bdev_super+0x4c1/0x5b0
[  309.752725][ T6665]  get_tree_bdev_flags+0x40e/0x4d0
[  309.752748][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.752770][ T6665]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  309.752790][ T6665]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  309.752834][ T6665]  gfs2_get_tree+0x51/0x1e0
[  309.752861][ T6665]  vfs_get_tree+0x92/0x2a0
[  309.752886][ T6665]  do_new_mount+0x302/0xa10
[  309.752911][ T6665]  ? apparmor_capable+0x137/0x1a0
[  309.752938][ T6665]  ? __pfx_do_new_mount+0x10/0x10
[  309.752965][ T6665]  ? ns_capable+0x8a/0xf0
[  309.752991][ T6665]  ? kmem_cache_free+0x197/0x620
[  309.753026][ T6665]  __se_sys_mount+0x313/0x410
[  309.753059][ T6665]  ? __pfx___se_sys_mount+0x10/0x10
[  309.753111][ T6665]  ? do_syscall_64+0xbe/0xf80
[  309.753138][ T6665]  ? __x64_sys_mount+0x20/0xc0
[  309.753169][ T6665]  do_syscall_64+0xfa/0xf80
[  309.753199][ T6665]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.753220][ T6665]  ? clear_bhb_loop+0x60/0xb0
[  309.753246][ T6665]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.753267][ T6665] RIP: 0033:0x7fc6f5b90eea
[  309.753288][ T6665] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  309.753307][ T6665] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.753329][ T6665] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  309.753345][ T6665] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  309.753360][ T6665] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  309.753374][ T6665] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  309.753388][ T6665] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  309.753423][ T6665]  </TASK>
[  309.753451][ T6665] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  310.074244][ T6665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.515935][ T6669] loop1: detected capacity change from 0 to 32768
[  310.533673][ T6669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.541207][ T6669] CPU: 1 UID: 0 PID: 6669 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  310.541232][ T6669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  310.541246][ T6669] Call Trace:
[  310.541254][ T6669]  <TASK>
[  310.541262][ T6669]  dump_stack_lvl+0x189/0x250
[  310.541296][ T6669]  ? __pfx_dump_stack_lvl+0x10/0x10
[  310.541320][ T6669]  ? __pfx__printk+0x10/0x10
[  310.541355][ T6669]  ? kernfs_path_from_node+0x250/0x290
[  310.541378][ T6669]  ? kernfs_path_from_node+0x2f/0x290
[  310.541405][ T6669]  sysfs_create_dir_ns+0x259/0x280
[  310.541431][ T6669]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  310.541455][ T6669]  ? do_raw_spin_unlock+0x122/0x240
[  310.541490][ T6669]  kobject_add_internal+0x6ab/0xcc0
[  310.541519][ T6669]  kobject_init_and_add+0x125/0x190
[  310.541556][ T6669]  ? __pfx_kobject_init_and_add+0x10/0x10
[  310.541588][ T6669]  ? __raw_spin_lock_init+0x45/0x100
[  310.541625][ T6669]  ? __init_swait_queue_head+0xa9/0x150
[  310.541658][ T6669]  gfs2_sys_fs_add+0x234/0x450
[  310.541691][ T6669]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  310.541732][ T6669]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  310.541773][ T6669]  gfs2_fill_super+0x1388/0x21b0
[  310.541812][ T6669]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.541839][ T6669]  ? sb_set_blocksize+0x155/0x240
[  310.541870][ T6669]  ? setup_bdev_super+0x4c1/0x5b0
[  310.541896][ T6669]  get_tree_bdev_flags+0x40e/0x4d0
[  310.541918][ T6669]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.541939][ T6669]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  310.541955][ T6669]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  310.541990][ T6669]  gfs2_get_tree+0x51/0x1e0
[  310.542010][ T6669]  vfs_get_tree+0x92/0x2a0
[  310.542030][ T6669]  do_new_mount+0x302/0xa10
[  310.542051][ T6669]  ? apparmor_capable+0x137/0x1a0
[  310.542073][ T6669]  ? __pfx_do_new_mount+0x10/0x10
[  310.542094][ T6669]  ? ns_capable+0x8a/0xf0
[  310.542113][ T6669]  ? kmem_cache_free+0x197/0x620
[  310.542140][ T6669]  __se_sys_mount+0x313/0x410
[  310.542167][ T6669]  ? __pfx___se_sys_mount+0x10/0x10
[  310.542192][ T6669]  ? do_syscall_64+0xbe/0xf80
[  310.542213][ T6669]  ? __x64_sys_mount+0x20/0xc0
[  310.542237][ T6669]  do_syscall_64+0xfa/0xf80
[  310.542260][ T6669]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.542276][ T6669]  ? clear_bhb_loop+0x60/0xb0
[  310.542295][ T6669]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.542323][ T6669] RIP: 0033:0x7fc6f5b90eea
[  310.542338][ T6669] 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
[  310.542351][ T6669] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  310.542367][ T6669] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  310.542380][ T6669] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  310.542390][ T6669] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  310.542401][ T6669] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  310.542411][ T6669] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  310.542435][ T6669]  </TASK>
[  310.876661][ T6669] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  310.891258][ T6669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  311.313210][ T6674] loop1: detected capacity change from 0 to 32768
[  311.351422][ T6674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  311.359206][ T6674] CPU: 1 UID: 0 PID: 6674 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  311.359234][ T6674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  311.359247][ T6674] Call Trace:
[  311.359256][ T6674]  <TASK>
[  311.359264][ T6674]  dump_stack_lvl+0x189/0x250
[  311.359298][ T6674]  ? __pfx_dump_stack_lvl+0x10/0x10
[  311.359325][ T6674]  ? __pfx__printk+0x10/0x10
[  311.359363][ T6674]  ? kernfs_path_from_node+0x250/0x290
[  311.359386][ T6674]  ? kernfs_path_from_node+0x2f/0x290
[  311.359414][ T6674]  sysfs_create_dir_ns+0x259/0x280
[  311.359441][ T6674]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  311.359467][ T6674]  ? do_raw_spin_unlock+0x122/0x240
[  311.359501][ T6674]  kobject_add_internal+0x6ab/0xcc0
[  311.359531][ T6674]  kobject_init_and_add+0x125/0x190
[  311.359575][ T6674]  ? __pfx_kobject_init_and_add+0x10/0x10
[  311.359608][ T6674]  ? __raw_spin_lock_init+0x45/0x100
[  311.359639][ T6674]  ? __init_swait_queue_head+0xa9/0x150
[  311.359671][ T6674]  gfs2_sys_fs_add+0x234/0x450
[  311.359703][ T6674]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  311.359742][ T6674]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  311.359785][ T6674]  gfs2_fill_super+0x1388/0x21b0
[  311.359826][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.359854][ T6674]  ? sb_set_blocksize+0x155/0x240
[  311.359885][ T6674]  ? setup_bdev_super+0x4c1/0x5b0
[  311.359911][ T6674]  get_tree_bdev_flags+0x40e/0x4d0
[  311.359934][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.359958][ T6674]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  311.359979][ T6674]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  311.360021][ T6674]  gfs2_get_tree+0x51/0x1e0
[  311.360048][ T6674]  vfs_get_tree+0x92/0x2a0
[  311.360074][ T6674]  do_new_mount+0x302/0xa10
[  311.360099][ T6674]  ? apparmor_capable+0x137/0x1a0
[  311.360126][ T6674]  ? __pfx_do_new_mount+0x10/0x10
[  311.360153][ T6674]  ? ns_capable+0x8a/0xf0
[  311.360177][ T6674]  ? kmem_cache_free+0x197/0x620
[  311.360212][ T6674]  __se_sys_mount+0x313/0x410
[  311.360246][ T6674]  ? __pfx___se_sys_mount+0x10/0x10
[  311.360278][ T6674]  ? do_syscall_64+0xbe/0xf80
[  311.360308][ T6674]  ? __x64_sys_mount+0x20/0xc0
[  311.360339][ T6674]  do_syscall_64+0xfa/0xf80
[  311.360367][ T6674]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.360388][ T6674]  ? clear_bhb_loop+0x60/0xb0
[  311.360413][ T6674]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.360433][ T6674] RIP: 0033:0x7fc6f5b90eea
[  311.360453][ T6674] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  311.360471][ T6674] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.360492][ T6674] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  311.360507][ T6674] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  311.360522][ T6674] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  311.360535][ T6674] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  311.360554][ T6674] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  311.360589][ T6674]  </TASK>
[  311.360615][ T6674] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.691061][ T6674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.126699][ T6679] loop1: detected capacity change from 0 to 32768
[  312.172360][ T6679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.179822][ T6679] CPU: 0 UID: 0 PID: 6679 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  312.179851][ T6679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  312.179865][ T6679] Call Trace:
[  312.179874][ T6679]  <TASK>
[  312.179884][ T6679]  dump_stack_lvl+0x189/0x250
[  312.179920][ T6679]  ? __pfx_dump_stack_lvl+0x10/0x10
[  312.179947][ T6679]  ? __pfx__printk+0x10/0x10
[  312.179986][ T6679]  ? kernfs_path_from_node+0x250/0x290
[  312.180010][ T6679]  ? kernfs_path_from_node+0x2f/0x290
[  312.180039][ T6679]  sysfs_create_dir_ns+0x259/0x280
[  312.180067][ T6679]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  312.180093][ T6679]  ? do_raw_spin_unlock+0x122/0x240
[  312.180129][ T6679]  kobject_add_internal+0x6ab/0xcc0
[  312.180160][ T6679]  kobject_init_and_add+0x125/0x190
[  312.180200][ T6679]  ? __pfx_kobject_init_and_add+0x10/0x10
[  312.180240][ T6679]  ? __raw_spin_lock_init+0x45/0x100
[  312.180272][ T6679]  ? __init_swait_queue_head+0xa9/0x150
[  312.180306][ T6679]  gfs2_sys_fs_add+0x234/0x450
[  312.180340][ T6679]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  312.180380][ T6679]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  312.180425][ T6679]  gfs2_fill_super+0x1388/0x21b0
[  312.180468][ T6679]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.180498][ T6679]  ? sb_set_blocksize+0x155/0x240
[  312.180530][ T6679]  ? setup_bdev_super+0x4c1/0x5b0
[  312.180559][ T6679]  get_tree_bdev_flags+0x40e/0x4d0
[  312.180583][ T6679]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.180607][ T6679]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  312.180629][ T6679]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  312.180674][ T6679]  gfs2_get_tree+0x51/0x1e0
[  312.180702][ T6679]  vfs_get_tree+0x92/0x2a0
[  312.180729][ T6679]  do_new_mount+0x302/0xa10
[  312.180754][ T6679]  ? apparmor_capable+0x137/0x1a0
[  312.180783][ T6679]  ? __pfx_do_new_mount+0x10/0x10
[  312.180811][ T6679]  ? ns_capable+0x8a/0xf0
[  312.180837][ T6679]  ? kmem_cache_free+0x197/0x620
[  312.180873][ T6679]  __se_sys_mount+0x313/0x410
[  312.180909][ T6679]  ? __pfx___se_sys_mount+0x10/0x10
[  312.180942][ T6679]  ? do_syscall_64+0xbe/0xf80
[  312.180969][ T6679]  ? __x64_sys_mount+0x20/0xc0
[  312.180999][ T6679]  do_syscall_64+0xfa/0xf80
[  312.181029][ T6679]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.181050][ T6679]  ? clear_bhb_loop+0x60/0xb0
[  312.181076][ T6679]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.181097][ T6679] RIP: 0033:0x7fc6f5b90eea
[  312.181117][ T6679] 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
[  312.181136][ T6679] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.181158][ T6679] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  312.181174][ T6679] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  312.181189][ T6679] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  312.181203][ T6679] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  312.181218][ T6679] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  312.181260][ T6679]  </TASK>
[  312.181287][ T6679] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.500173][ T6679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.935298][ T6684] loop1: detected capacity change from 0 to 32768
[  312.957018][ T6684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.964658][ T6684] CPU: 0 UID: 0 PID: 6684 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  312.964685][ T6684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  312.964698][ T6684] Call Trace:
[  312.964706][ T6684]  <TASK>
[  312.964714][ T6684]  dump_stack_lvl+0x189/0x250
[  312.964748][ T6684]  ? __pfx_dump_stack_lvl+0x10/0x10
[  312.964773][ T6684]  ? __pfx__printk+0x10/0x10
[  312.964807][ T6684]  ? kernfs_path_from_node+0x250/0x290
[  312.964829][ T6684]  ? kernfs_path_from_node+0x2f/0x290
[  312.964854][ T6684]  sysfs_create_dir_ns+0x259/0x280
[  312.964879][ T6684]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  312.964903][ T6684]  ? do_raw_spin_unlock+0x122/0x240
[  312.964936][ T6684]  kobject_add_internal+0x6ab/0xcc0
[  312.964964][ T6684]  kobject_init_and_add+0x125/0x190
[  312.965000][ T6684]  ? __pfx_kobject_init_and_add+0x10/0x10
[  312.965030][ T6684]  ? __raw_spin_lock_init+0x45/0x100
[  312.965058][ T6684]  ? __init_swait_queue_head+0xa9/0x150
[  312.965088][ T6684]  gfs2_sys_fs_add+0x234/0x450
[  312.965117][ T6684]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  312.965171][ T6684]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  312.965222][ T6684]  gfs2_fill_super+0x1388/0x21b0
[  312.965251][ T6684]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.965271][ T6684]  ? sb_set_blocksize+0x155/0x240
[  312.965293][ T6684]  ? setup_bdev_super+0x4c1/0x5b0
[  312.965312][ T6684]  get_tree_bdev_flags+0x40e/0x4d0
[  312.965328][ T6684]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.965345][ T6684]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  312.965359][ T6684]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  312.965390][ T6684]  gfs2_get_tree+0x51/0x1e0
[  312.965408][ T6684]  vfs_get_tree+0x92/0x2a0
[  312.965426][ T6684]  do_new_mount+0x302/0xa10
[  312.965445][ T6684]  ? apparmor_capable+0x137/0x1a0
[  312.965464][ T6684]  ? __pfx_do_new_mount+0x10/0x10
[  312.965485][ T6684]  ? ns_capable+0x8a/0xf0
[  312.965502][ T6684]  ? kmem_cache_free+0x197/0x620
[  312.965546][ T6684]  __se_sys_mount+0x313/0x410
[  312.965577][ T6684]  ? __pfx___se_sys_mount+0x10/0x10
[  312.965600][ T6684]  ? do_syscall_64+0xbe/0xf80
[  312.965620][ T6684]  ? __x64_sys_mount+0x20/0xc0
[  312.965641][ T6684]  do_syscall_64+0xfa/0xf80
[  312.965662][ T6684]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.965677][ T6684]  ? clear_bhb_loop+0x60/0xb0
[  312.965696][ T6684]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.965710][ T6684] RIP: 0033:0x7fc6f5b90eea
[  312.965725][ T6684] 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
[  312.965738][ T6684] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.965754][ T6684] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  312.965766][ T6684] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  312.965776][ T6684] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  312.965786][ T6684] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  312.965796][ T6684] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  312.965820][ T6684]  </TASK>
[  312.966008][ T6684] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.285737][ T6684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  313.691911][ T6688] loop1: detected capacity change from 0 to 32768
[  313.706193][ T6688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  313.721978][ T6688] CPU: 0 UID: 0 PID: 6688 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  313.722007][ T6688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  313.722019][ T6688] Call Trace:
[  313.722027][ T6688]  <TASK>
[  313.722036][ T6688]  dump_stack_lvl+0x189/0x250
[  313.722070][ T6688]  ? __pfx_dump_stack_lvl+0x10/0x10
[  313.722095][ T6688]  ? __pfx__printk+0x10/0x10
[  313.722131][ T6688]  ? kernfs_path_from_node+0x250/0x290
[  313.722154][ T6688]  ? kernfs_path_from_node+0x2f/0x290
[  313.722180][ T6688]  sysfs_create_dir_ns+0x259/0x280
[  313.722206][ T6688]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  313.722231][ T6688]  ? do_raw_spin_unlock+0x122/0x240
[  313.722265][ T6688]  kobject_add_internal+0x6ab/0xcc0
[  313.722295][ T6688]  kobject_init_and_add+0x125/0x190
[  313.722331][ T6688]  ? __pfx_kobject_init_and_add+0x10/0x10
[  313.722371][ T6688]  ? __raw_spin_lock_init+0x45/0x100
[  313.722400][ T6688]  ? __init_swait_queue_head+0xa9/0x150
[  313.722432][ T6688]  gfs2_sys_fs_add+0x234/0x450
[  313.722462][ T6688]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  313.722499][ T6688]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  313.722543][ T6688]  gfs2_fill_super+0x1388/0x21b0
[  313.722583][ T6688]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.722612][ T6688]  ? sb_set_blocksize+0x155/0x240
[  313.722643][ T6688]  ? setup_bdev_super+0x4c1/0x5b0
[  313.722670][ T6688]  get_tree_bdev_flags+0x40e/0x4d0
[  313.722694][ T6688]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.722717][ T6688]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  313.722738][ T6688]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  313.722781][ T6688]  gfs2_get_tree+0x51/0x1e0
[  313.722808][ T6688]  vfs_get_tree+0x92/0x2a0
[  313.722834][ T6688]  do_new_mount+0x302/0xa10
[  313.722859][ T6688]  ? apparmor_capable+0x137/0x1a0
[  313.722886][ T6688]  ? __pfx_do_new_mount+0x10/0x10
[  313.722913][ T6688]  ? ns_capable+0x8a/0xf0
[  313.722938][ T6688]  ? kmem_cache_free+0x197/0x620
[  313.722972][ T6688]  __se_sys_mount+0x313/0x410
[  313.723006][ T6688]  ? __pfx___se_sys_mount+0x10/0x10
[  313.723038][ T6688]  ? do_syscall_64+0xbe/0xf80
[  313.723065][ T6688]  ? __x64_sys_mount+0x20/0xc0
[  313.723095][ T6688]  do_syscall_64+0xfa/0xf80
[  313.723123][ T6688]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.723144][ T6688]  ? clear_bhb_loop+0x60/0xb0
[  313.723169][ T6688]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.723190][ T6688] RIP: 0033:0x7fc6f5b90eea
[  313.723209][ T6688] 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
[  313.723227][ T6688] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.723249][ T6688] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  313.723265][ T6688] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  313.723279][ T6688] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  313.723293][ T6688] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  313.723305][ T6688] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  313.723339][ T6688]  </TASK>
[  313.723373][ T6688] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.042729][ T6688] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.191831][   T52] Bluetooth: hci1: command 0x0406 tx timeout
[  314.442534][ T6693] loop1: detected capacity change from 0 to 32768
[  314.465737][ T6693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.473344][ T6693] CPU: 1 UID: 0 PID: 6693 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  314.473373][ T6693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  314.473387][ T6693] Call Trace:
[  314.473397][ T6693]  <TASK>
[  314.473407][ T6693]  dump_stack_lvl+0x189/0x250
[  314.473443][ T6693]  ? __pfx_dump_stack_lvl+0x10/0x10
[  314.473471][ T6693]  ? __pfx__printk+0x10/0x10
[  314.473508][ T6693]  ? kernfs_path_from_node+0x250/0x290
[  314.473533][ T6693]  ? kernfs_path_from_node+0x2f/0x290
[  314.473562][ T6693]  sysfs_create_dir_ns+0x259/0x280
[  314.473589][ T6693]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  314.473615][ T6693]  ? do_raw_spin_unlock+0x122/0x240
[  314.473650][ T6693]  kobject_add_internal+0x6ab/0xcc0
[  314.473681][ T6693]  kobject_init_and_add+0x125/0x190
[  314.473720][ T6693]  ? __pfx_kobject_init_and_add+0x10/0x10
[  314.473754][ T6693]  ? __raw_spin_lock_init+0x45/0x100
[  314.473785][ T6693]  ? __init_swait_queue_head+0xa9/0x150
[  314.473819][ T6693]  gfs2_sys_fs_add+0x234/0x450
[  314.473852][ T6693]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  314.473892][ T6693]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  314.473937][ T6693]  gfs2_fill_super+0x1388/0x21b0
[  314.473980][ T6693]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.474010][ T6693]  ? sb_set_blocksize+0x155/0x240
[  314.474042][ T6693]  ? setup_bdev_super+0x4c1/0x5b0
[  314.474080][ T6693]  get_tree_bdev_flags+0x40e/0x4d0
[  314.474104][ T6693]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.474128][ T6693]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  314.474162][ T6693]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  314.474204][ T6693]  gfs2_get_tree+0x51/0x1e0
[  314.474230][ T6693]  vfs_get_tree+0x92/0x2a0
[  314.474257][ T6693]  do_new_mount+0x302/0xa10
[  314.474282][ T6693]  ? apparmor_capable+0x137/0x1a0
[  314.474310][ T6693]  ? __pfx_do_new_mount+0x10/0x10
[  314.474348][ T6693]  ? ns_capable+0x8a/0xf0
[  314.474372][ T6693]  ? kmem_cache_free+0x197/0x620
[  314.474404][ T6693]  __se_sys_mount+0x313/0x410
[  314.474436][ T6693]  ? __pfx___se_sys_mount+0x10/0x10
[  314.474466][ T6693]  ? do_syscall_64+0xbe/0xf80
[  314.474491][ T6693]  ? __x64_sys_mount+0x20/0xc0
[  314.474519][ T6693]  do_syscall_64+0xfa/0xf80
[  314.474546][ T6693]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.474565][ T6693]  ? clear_bhb_loop+0x60/0xb0
[  314.474589][ T6693]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.474608][ T6693] RIP: 0033:0x7fc6f5b90eea
[  314.474627][ T6693] 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
[  314.474644][ T6693] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.474664][ T6693] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  314.474678][ T6693] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  314.474691][ T6693] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  314.474704][ T6693] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  314.474717][ T6693] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  314.474747][ T6693]  </TASK>
[  314.474772][ T6693] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.795435][ T6693] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 01:13:58 executed programs: 165
[  315.207095][ T6697] loop1: detected capacity change from 0 to 32768
[  315.241958][ T6697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.249417][ T6697] CPU: 0 UID: 0 PID: 6697 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  315.249446][ T6697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  315.249460][ T6697] Call Trace:
[  315.249469][ T6697]  <TASK>
[  315.249478][ T6697]  dump_stack_lvl+0x189/0x250
[  315.249515][ T6697]  ? __pfx_dump_stack_lvl+0x10/0x10
[  315.249543][ T6697]  ? __pfx__printk+0x10/0x10
[  315.249581][ T6697]  ? kernfs_path_from_node+0x250/0x290
[  315.249606][ T6697]  ? kernfs_path_from_node+0x2f/0x290
[  315.249635][ T6697]  sysfs_create_dir_ns+0x259/0x280
[  315.249663][ T6697]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  315.249689][ T6697]  ? do_raw_spin_unlock+0x122/0x240
[  315.249725][ T6697]  kobject_add_internal+0x6ab/0xcc0
[  315.249756][ T6697]  kobject_init_and_add+0x125/0x190
[  315.249796][ T6697]  ? __pfx_kobject_init_and_add+0x10/0x10
[  315.249830][ T6697]  ? __raw_spin_lock_init+0x45/0x100
[  315.249862][ T6697]  ? __init_swait_queue_head+0xa9/0x150
[  315.249895][ T6697]  gfs2_sys_fs_add+0x234/0x450
[  315.249942][ T6697]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  315.249982][ T6697]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  315.250027][ T6697]  gfs2_fill_super+0x1388/0x21b0
[  315.250075][ T6697]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.250105][ T6697]  ? sb_set_blocksize+0x155/0x240
[  315.250138][ T6697]  ? setup_bdev_super+0x4c1/0x5b0
[  315.250166][ T6697]  get_tree_bdev_flags+0x40e/0x4d0
[  315.250190][ T6697]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.250214][ T6697]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  315.250236][ T6697]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  315.250281][ T6697]  gfs2_get_tree+0x51/0x1e0
[  315.250309][ T6697]  vfs_get_tree+0x92/0x2a0
[  315.250336][ T6697]  do_new_mount+0x302/0xa10
[  315.250362][ T6697]  ? apparmor_capable+0x137/0x1a0
[  315.250390][ T6697]  ? __pfx_do_new_mount+0x10/0x10
[  315.250417][ T6697]  ? ns_capable+0x8a/0xf0
[  315.250443][ T6697]  ? kmem_cache_free+0x197/0x620
[  315.250480][ T6697]  __se_sys_mount+0x313/0x410
[  315.250516][ T6697]  ? __pfx___se_sys_mount+0x10/0x10
[  315.250549][ T6697]  ? do_syscall_64+0xbe/0xf80
[  315.250576][ T6697]  ? __x64_sys_mount+0x20/0xc0
[  315.250606][ T6697]  do_syscall_64+0xfa/0xf80
[  315.250636][ T6697]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.250658][ T6697]  ? clear_bhb_loop+0x60/0xb0
[  315.250684][ T6697]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.250706][ T6697] RIP: 0033:0x7fc6f5b90eea
[  315.250726][ T6697] 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
[  315.250745][ T6697] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.250768][ T6697] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  315.250784][ T6697] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  315.250798][ T6697] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  315.250813][ T6697] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  315.250827][ T6697] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  315.250863][ T6697]  </TASK>
[  315.250892][ T6697] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.570561][ T6697] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.017311][ T6702] loop1: detected capacity change from 0 to 32768
[  316.033792][ T6702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.041256][ T6702] CPU: 1 UID: 0 PID: 6702 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  316.041285][ T6702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  316.041299][ T6702] Call Trace:
[  316.041308][ T6702]  <TASK>
[  316.041318][ T6702]  dump_stack_lvl+0x189/0x250
[  316.041354][ T6702]  ? __pfx_dump_stack_lvl+0x10/0x10
[  316.041381][ T6702]  ? __pfx__printk+0x10/0x10
[  316.041421][ T6702]  ? kernfs_path_from_node+0x250/0x290
[  316.041445][ T6702]  ? kernfs_path_from_node+0x2f/0x290
[  316.041475][ T6702]  sysfs_create_dir_ns+0x259/0x280
[  316.041502][ T6702]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  316.041530][ T6702]  ? do_raw_spin_unlock+0x122/0x240
[  316.041566][ T6702]  kobject_add_internal+0x6ab/0xcc0
[  316.041597][ T6702]  kobject_init_and_add+0x125/0x190
[  316.041637][ T6702]  ? __pfx_kobject_init_and_add+0x10/0x10
[  316.041671][ T6702]  ? __raw_spin_lock_init+0x45/0x100
[  316.041701][ T6702]  ? __init_swait_queue_head+0xa9/0x150
[  316.041738][ T6702]  gfs2_sys_fs_add+0x234/0x450
[  316.041770][ T6702]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  316.041808][ T6702]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  316.041853][ T6702]  gfs2_fill_super+0x1388/0x21b0
[  316.041904][ T6702]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.041934][ T6702]  ? sb_set_blocksize+0x155/0x240
[  316.041967][ T6702]  ? setup_bdev_super+0x4c1/0x5b0
[  316.041996][ T6702]  get_tree_bdev_flags+0x40e/0x4d0
[  316.042020][ T6702]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.042044][ T6702]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  316.042066][ T6702]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  316.042111][ T6702]  gfs2_get_tree+0x51/0x1e0
[  316.042139][ T6702]  vfs_get_tree+0x92/0x2a0
[  316.042166][ T6702]  do_new_mount+0x302/0xa10
[  316.042192][ T6702]  ? apparmor_capable+0x137/0x1a0
[  316.042221][ T6702]  ? __pfx_do_new_mount+0x10/0x10
[  316.042249][ T6702]  ? ns_capable+0x8a/0xf0
[  316.042275][ T6702]  ? kmem_cache_free+0x197/0x620
[  316.042310][ T6702]  __se_sys_mount+0x313/0x410
[  316.042346][ T6702]  ? __pfx___se_sys_mount+0x10/0x10
[  316.042379][ T6702]  ? do_syscall_64+0xbe/0xf80
[  316.042407][ T6702]  ? __x64_sys_mount+0x20/0xc0
[  316.042438][ T6702]  do_syscall_64+0xfa/0xf80
[  316.042467][ T6702]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.042488][ T6702]  ? clear_bhb_loop+0x60/0xb0
[  316.042514][ T6702]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.042535][ T6702] RIP: 0033:0x7fc6f5b90eea
[  316.042555][ T6702] 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
[  316.042572][ T6702] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.042594][ T6702] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  316.042610][ T6702] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  316.042625][ T6702] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  316.042640][ T6702] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  316.042654][ T6702] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  316.042687][ T6702]  </TASK>
[  316.349260][ T6702] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.363273][ T6702] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.787568][ T6706] loop1: detected capacity change from 0 to 32768
[  316.833853][ T6706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.841377][ T6706] CPU: 1 UID: 0 PID: 6706 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  316.841404][ T6706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  316.841417][ T6706] Call Trace:
[  316.841426][ T6706]  <TASK>
[  316.841435][ T6706]  dump_stack_lvl+0x189/0x250
[  316.841470][ T6706]  ? __pfx_dump_stack_lvl+0x10/0x10
[  316.841497][ T6706]  ? __pfx__printk+0x10/0x10
[  316.841535][ T6706]  ? kernfs_path_from_node+0x250/0x290
[  316.841559][ T6706]  ? kernfs_path_from_node+0x2f/0x290
[  316.841589][ T6706]  sysfs_create_dir_ns+0x259/0x280
[  316.841616][ T6706]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  316.841641][ T6706]  ? do_raw_spin_unlock+0x122/0x240
[  316.841675][ T6706]  kobject_add_internal+0x6ab/0xcc0
[  316.841704][ T6706]  kobject_init_and_add+0x125/0x190
[  316.841747][ T6706]  ? __pfx_kobject_init_and_add+0x10/0x10
[  316.841780][ T6706]  ? __raw_spin_lock_init+0x45/0x100
[  316.841810][ T6706]  ? __init_swait_queue_head+0xa9/0x150
[  316.841842][ T6706]  gfs2_sys_fs_add+0x234/0x450
[  316.841877][ T6706]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  316.841917][ T6706]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  316.841962][ T6706]  gfs2_fill_super+0x1388/0x21b0
[  316.842004][ T6706]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.842033][ T6706]  ? sb_set_blocksize+0x155/0x240
[  316.842065][ T6706]  ? setup_bdev_super+0x4c1/0x5b0
[  316.842100][ T6706]  get_tree_bdev_flags+0x40e/0x4d0
[  316.842124][ T6706]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.842149][ T6706]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  316.842170][ T6706]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  316.842215][ T6706]  gfs2_get_tree+0x51/0x1e0
[  316.842243][ T6706]  vfs_get_tree+0x92/0x2a0
[  316.842269][ T6706]  do_new_mount+0x302/0xa10
[  316.842296][ T6706]  ? apparmor_capable+0x137/0x1a0
[  316.842325][ T6706]  ? __pfx_do_new_mount+0x10/0x10
[  316.842352][ T6706]  ? ns_capable+0x8a/0xf0
[  316.842378][ T6706]  ? kmem_cache_free+0x197/0x620
[  316.842414][ T6706]  __se_sys_mount+0x313/0x410
[  316.842450][ T6706]  ? __pfx___se_sys_mount+0x10/0x10
[  316.842483][ T6706]  ? do_syscall_64+0xbe/0xf80
[  316.842511][ T6706]  ? __x64_sys_mount+0x20/0xc0
[  316.842541][ T6706]  do_syscall_64+0xfa/0xf80
[  316.842571][ T6706]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.842593][ T6706]  ? clear_bhb_loop+0x60/0xb0
[  316.842619][ T6706]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.842641][ T6706] RIP: 0033:0x7fc6f5b90eea
[  316.842661][ T6706] 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
[  316.842679][ T6706] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.842702][ T6706] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  316.842718][ T6706] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  316.842733][ T6706] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  316.842748][ T6706] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  316.842761][ T6706] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  316.842797][ T6706]  </TASK>
[  317.145199][ T6706] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.159169][ T6706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  317.591088][ T6710] loop1: detected capacity change from 0 to 32768
[  317.622478][ T6710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.635894][ T6710] CPU: 1 UID: 0 PID: 6710 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  317.635922][ T6710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  317.635936][ T6710] Call Trace:
[  317.635944][ T6710]  <TASK>
[  317.635953][ T6710]  dump_stack_lvl+0x189/0x250
[  317.635988][ T6710]  ? __pfx_dump_stack_lvl+0x10/0x10
[  317.636014][ T6710]  ? __pfx__printk+0x10/0x10
[  317.636078][ T6710]  ? kernfs_path_from_node+0x250/0x290
[  317.636102][ T6710]  ? kernfs_path_from_node+0x2f/0x290
[  317.636131][ T6710]  sysfs_create_dir_ns+0x259/0x280
[  317.636159][ T6710]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  317.636186][ T6710]  ? do_raw_spin_unlock+0x122/0x240
[  317.636221][ T6710]  kobject_add_internal+0x6ab/0xcc0
[  317.636251][ T6710]  kobject_init_and_add+0x125/0x190
[  317.636291][ T6710]  ? __pfx_kobject_init_and_add+0x10/0x10
[  317.636324][ T6710]  ? __raw_spin_lock_init+0x45/0x100
[  317.636356][ T6710]  ? __init_swait_queue_head+0xa9/0x150
[  317.636390][ T6710]  gfs2_sys_fs_add+0x234/0x450
[  317.636423][ T6710]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  317.636462][ T6710]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  317.636508][ T6710]  gfs2_fill_super+0x1388/0x21b0
[  317.636551][ T6710]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.636580][ T6710]  ? sb_set_blocksize+0x155/0x240
[  317.636612][ T6710]  ? setup_bdev_super+0x4c1/0x5b0
[  317.636640][ T6710]  get_tree_bdev_flags+0x40e/0x4d0
[  317.636665][ T6710]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.636689][ T6710]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  317.636710][ T6710]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  317.636755][ T6710]  gfs2_get_tree+0x51/0x1e0
[  317.636782][ T6710]  vfs_get_tree+0x92/0x2a0
[  317.636809][ T6710]  do_new_mount+0x302/0xa10
[  317.636836][ T6710]  ? apparmor_capable+0x137/0x1a0
[  317.636865][ T6710]  ? __pfx_do_new_mount+0x10/0x10
[  317.636892][ T6710]  ? ns_capable+0x8a/0xf0
[  317.636918][ T6710]  ? kmem_cache_free+0x197/0x620
[  317.636953][ T6710]  __se_sys_mount+0x313/0x410
[  317.636990][ T6710]  ? __pfx___se_sys_mount+0x10/0x10
[  317.637022][ T6710]  ? do_syscall_64+0xbe/0xf80
[  317.637055][ T6710]  ? __x64_sys_mount+0x20/0xc0
[  317.637086][ T6710]  do_syscall_64+0xfa/0xf80
[  317.637116][ T6710]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.637138][ T6710]  ? clear_bhb_loop+0x60/0xb0
[  317.637165][ T6710]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.637185][ T6710] RIP: 0033:0x7fc6f5b90eea
[  317.637206][ T6710] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  317.637224][ T6710] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.637247][ T6710] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  317.637263][ T6710] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  317.637277][ T6710] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  317.637292][ T6710] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  317.637306][ T6710] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  317.637342][ T6710]  </TASK>
[  317.637516][ T6710] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.957544][ T6710] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.363828][ T6715] loop1: detected capacity change from 0 to 32768
[  318.394635][ T6715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.402410][ T6715] CPU: 0 UID: 0 PID: 6715 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  318.402449][ T6715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  318.402462][ T6715] Call Trace:
[  318.402470][ T6715]  <TASK>
[  318.402479][ T6715]  dump_stack_lvl+0x189/0x250
[  318.402515][ T6715]  ? __pfx_dump_stack_lvl+0x10/0x10
[  318.402542][ T6715]  ? __pfx__printk+0x10/0x10
[  318.402578][ T6715]  ? kernfs_path_from_node+0x250/0x290
[  318.402602][ T6715]  ? kernfs_path_from_node+0x2f/0x290
[  318.402629][ T6715]  sysfs_create_dir_ns+0x259/0x280
[  318.402656][ T6715]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  318.402681][ T6715]  ? do_raw_spin_unlock+0x122/0x240
[  318.402724][ T6715]  kobject_add_internal+0x6ab/0xcc0
[  318.402753][ T6715]  kobject_init_and_add+0x125/0x190
[  318.402791][ T6715]  ? __pfx_kobject_init_and_add+0x10/0x10
[  318.402824][ T6715]  ? __raw_spin_lock_init+0x45/0x100
[  318.402854][ T6715]  ? __init_swait_queue_head+0xa9/0x150
[  318.402886][ T6715]  gfs2_sys_fs_add+0x234/0x450
[  318.402918][ T6715]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  318.402974][ T6715]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  318.403020][ T6715]  gfs2_fill_super+0x1388/0x21b0
[  318.403062][ T6715]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.403092][ T6715]  ? sb_set_blocksize+0x155/0x240
[  318.403123][ T6715]  ? setup_bdev_super+0x4c1/0x5b0
[  318.403151][ T6715]  get_tree_bdev_flags+0x40e/0x4d0
[  318.403175][ T6715]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.403199][ T6715]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  318.403221][ T6715]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  318.403265][ T6715]  gfs2_get_tree+0x51/0x1e0
[  318.403292][ T6715]  vfs_get_tree+0x92/0x2a0
[  318.403319][ T6715]  do_new_mount+0x302/0xa10
[  318.403345][ T6715]  ? apparmor_capable+0x137/0x1a0
[  318.403374][ T6715]  ? __pfx_do_new_mount+0x10/0x10
[  318.403402][ T6715]  ? ns_capable+0x8a/0xf0
[  318.403428][ T6715]  ? kmem_cache_free+0x197/0x620
[  318.403464][ T6715]  __se_sys_mount+0x313/0x410
[  318.403499][ T6715]  ? __pfx___se_sys_mount+0x10/0x10
[  318.403531][ T6715]  ? do_syscall_64+0xbe/0xf80
[  318.403558][ T6715]  ? __x64_sys_mount+0x20/0xc0
[  318.403589][ T6715]  do_syscall_64+0xfa/0xf80
[  318.403618][ T6715]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.403640][ T6715]  ? clear_bhb_loop+0x60/0xb0
[  318.403666][ T6715]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.403687][ T6715] RIP: 0033:0x7fc6f5b90eea
[  318.403716][ T6715] 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
[  318.403734][ T6715] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.403757][ T6715] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  318.403773][ T6715] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  318.403787][ T6715] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  318.403802][ T6715] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  318.403815][ T6715] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  318.403850][ T6715]  </TASK>
[  318.403876][ T6715] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.724860][ T6715] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.141375][ T6719] loop1: detected capacity change from 0 to 32768
[  319.155977][ T6719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.170840][ T6719] CPU: 0 UID: 0 PID: 6719 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  319.170878][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  319.170891][ T6719] Call Trace:
[  319.170901][ T6719]  <TASK>
[  319.170910][ T6719]  dump_stack_lvl+0x189/0x250
[  319.170947][ T6719]  ? __pfx_dump_stack_lvl+0x10/0x10
[  319.170975][ T6719]  ? __pfx__printk+0x10/0x10
[  319.171013][ T6719]  ? kernfs_path_from_node+0x250/0x290
[  319.171037][ T6719]  ? kernfs_path_from_node+0x2f/0x290
[  319.171066][ T6719]  sysfs_create_dir_ns+0x259/0x280
[  319.171093][ T6719]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  319.171119][ T6719]  ? do_raw_spin_unlock+0x122/0x240
[  319.171155][ T6719]  kobject_add_internal+0x6ab/0xcc0
[  319.171186][ T6719]  kobject_init_and_add+0x125/0x190
[  319.171226][ T6719]  ? __pfx_kobject_init_and_add+0x10/0x10
[  319.171260][ T6719]  ? __raw_spin_lock_init+0x45/0x100
[  319.171291][ T6719]  ? __init_swait_queue_head+0xa9/0x150
[  319.171326][ T6719]  gfs2_sys_fs_add+0x234/0x450
[  319.171359][ T6719]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  319.171399][ T6719]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  319.171444][ T6719]  gfs2_fill_super+0x1388/0x21b0
[  319.171486][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.171515][ T6719]  ? sb_set_blocksize+0x155/0x240
[  319.171547][ T6719]  ? setup_bdev_super+0x4c1/0x5b0
[  319.171576][ T6719]  get_tree_bdev_flags+0x40e/0x4d0
[  319.171599][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.171623][ T6719]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  319.171644][ T6719]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  319.171688][ T6719]  gfs2_get_tree+0x51/0x1e0
[  319.171722][ T6719]  vfs_get_tree+0x92/0x2a0
[  319.171747][ T6719]  do_new_mount+0x302/0xa10
[  319.171773][ T6719]  ? apparmor_capable+0x137/0x1a0
[  319.171802][ T6719]  ? __pfx_do_new_mount+0x10/0x10
[  319.171830][ T6719]  ? ns_capable+0x8a/0xf0
[  319.171864][ T6719]  ? kmem_cache_free+0x197/0x620
[  319.171901][ T6719]  __se_sys_mount+0x313/0x410
[  319.171937][ T6719]  ? __pfx___se_sys_mount+0x10/0x10
[  319.171970][ T6719]  ? do_syscall_64+0xbe/0xf80
[  319.171997][ T6719]  ? __x64_sys_mount+0x20/0xc0
[  319.172027][ T6719]  do_syscall_64+0xfa/0xf80
[  319.172057][ T6719]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.172079][ T6719]  ? clear_bhb_loop+0x60/0xb0
[  319.172105][ T6719]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.172126][ T6719] RIP: 0033:0x7fc6f5b90eea
[  319.172146][ 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
[  319.172164][ T6719] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.172186][ T6719] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  319.172202][ T6719] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  319.172217][ T6719] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  319.172231][ T6719] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  319.172245][ T6719] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  319.172281][ T6719]  </TASK>
[  319.475021][ 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.
[  319.490062][ T6719] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.933790][ T6723] loop1: detected capacity change from 0 to 32768
[  319.958045][ T6723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.965666][ T6723] CPU: 0 UID: 0 PID: 6723 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  319.965694][ T6723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  319.965708][ T6723] Call Trace:
[  319.965716][ T6723]  <TASK>
[  319.965725][ T6723]  dump_stack_lvl+0x189/0x250
[  319.965772][ T6723]  ? __pfx_dump_stack_lvl+0x10/0x10
[  319.965803][ T6723]  ? __pfx__printk+0x10/0x10
[  319.965838][ T6723]  ? kernfs_path_from_node+0x250/0x290
[  319.965861][ T6723]  ? kernfs_path_from_node+0x2f/0x290
[  319.965888][ T6723]  sysfs_create_dir_ns+0x259/0x280
[  319.965914][ T6723]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  319.965939][ T6723]  ? do_raw_spin_unlock+0x122/0x240
[  319.965972][ T6723]  kobject_add_internal+0x6ab/0xcc0
[  319.966001][ T6723]  kobject_init_and_add+0x125/0x190
[  319.966037][ T6723]  ? __pfx_kobject_init_and_add+0x10/0x10
[  319.966069][ T6723]  ? __raw_spin_lock_init+0x45/0x100
[  319.966098][ T6723]  ? __init_swait_queue_head+0xa9/0x150
[  319.966129][ T6723]  gfs2_sys_fs_add+0x234/0x450
[  319.966159][ T6723]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  319.966196][ T6723]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  319.966238][ T6723]  gfs2_fill_super+0x1388/0x21b0
[  319.966277][ T6723]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.966304][ T6723]  ? sb_set_blocksize+0x155/0x240
[  319.966334][ T6723]  ? setup_bdev_super+0x4c1/0x5b0
[  319.966378][ T6723]  get_tree_bdev_flags+0x40e/0x4d0
[  319.966402][ T6723]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.966425][ T6723]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  319.966445][ T6723]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  319.966488][ T6723]  gfs2_get_tree+0x51/0x1e0
[  319.966515][ T6723]  vfs_get_tree+0x92/0x2a0
[  319.966540][ T6723]  do_new_mount+0x302/0xa10
[  319.966566][ T6723]  ? apparmor_capable+0x137/0x1a0
[  319.966593][ T6723]  ? __pfx_do_new_mount+0x10/0x10
[  319.966620][ T6723]  ? ns_capable+0x8a/0xf0
[  319.966645][ T6723]  ? kmem_cache_free+0x197/0x620
[  319.966679][ T6723]  __se_sys_mount+0x313/0x410
[  319.966714][ T6723]  ? __pfx___se_sys_mount+0x10/0x10
[  319.966745][ T6723]  ? do_syscall_64+0xbe/0xf80
[  319.966771][ T6723]  ? __x64_sys_mount+0x20/0xc0
[  319.966806][ T6723]  do_syscall_64+0xfa/0xf80
[  319.966835][ T6723]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.966856][ T6723]  ? clear_bhb_loop+0x60/0xb0
[  319.966880][ T6723]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.966901][ T6723] RIP: 0033:0x7fc6f5b90eea
[  319.966921][ T6723] 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
[  319.966938][ T6723] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.966960][ T6723] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  319.966976][ T6723] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  319.966990][ T6723] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  319.967004][ T6723] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  319.967017][ T6723] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  319.967051][ T6723]  </TASK>
[  319.967078][ T6723] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.285805][ T6723] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 01:14:04 executed programs: 172
[  320.674370][ T6727] loop1: detected capacity change from 0 to 32768
[  320.695492][ T6727] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.705939][ T6727] CPU: 0 UID: 0 PID: 6727 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  320.705968][ T6727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  320.705981][ T6727] Call Trace:
[  320.705989][ T6727]  <TASK>
[  320.705999][ T6727]  dump_stack_lvl+0x189/0x250
[  320.706045][ T6727]  ? __pfx_dump_stack_lvl+0x10/0x10
[  320.706069][ T6727]  ? __pfx__printk+0x10/0x10
[  320.706103][ T6727]  ? kernfs_path_from_node+0x250/0x290
[  320.706125][ T6727]  ? kernfs_path_from_node+0x2f/0x290
[  320.706151][ T6727]  sysfs_create_dir_ns+0x259/0x280
[  320.706187][ T6727]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  320.706210][ T6727]  ? do_raw_spin_unlock+0x122/0x240
[  320.706247][ T6727]  kobject_add_internal+0x6ab/0xcc0
[  320.706294][ T6727]  kobject_init_and_add+0x125/0x190
[  320.706349][ T6727]  ? __pfx_kobject_init_and_add+0x10/0x10
[  320.706383][ T6727]  ? __raw_spin_lock_init+0x45/0x100
[  320.706415][ T6727]  ? __init_swait_queue_head+0xa9/0x150
[  320.706449][ T6727]  gfs2_sys_fs_add+0x234/0x450
[  320.706482][ T6727]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  320.706522][ T6727]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  320.706568][ T6727]  gfs2_fill_super+0x1388/0x21b0
[  320.706610][ T6727]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.706639][ T6727]  ? sb_set_blocksize+0x155/0x240
[  320.706671][ T6727]  ? setup_bdev_super+0x4c1/0x5b0
[  320.706698][ T6727]  get_tree_bdev_flags+0x40e/0x4d0
[  320.706730][ T6727]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.706754][ T6727]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  320.706776][ T6727]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  320.706821][ T6727]  gfs2_get_tree+0x51/0x1e0
[  320.706848][ T6727]  vfs_get_tree+0x92/0x2a0
[  320.706875][ T6727]  do_new_mount+0x302/0xa10
[  320.706901][ T6727]  ? apparmor_capable+0x137/0x1a0
[  320.706931][ T6727]  ? __pfx_do_new_mount+0x10/0x10
[  320.706959][ T6727]  ? ns_capable+0x8a/0xf0
[  320.706985][ T6727]  ? kmem_cache_free+0x197/0x620
[  320.707020][ T6727]  __se_sys_mount+0x313/0x410
[  320.707056][ T6727]  ? __pfx___se_sys_mount+0x10/0x10
[  320.707089][ T6727]  ? do_syscall_64+0xbe/0xf80
[  320.707116][ T6727]  ? __x64_sys_mount+0x20/0xc0
[  320.707146][ T6727]  do_syscall_64+0xfa/0xf80
[  320.707176][ T6727]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.707198][ T6727]  ? clear_bhb_loop+0x60/0xb0
[  320.707224][ T6727]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.707245][ T6727] RIP: 0033:0x7fc6f5b90eea
[  320.707266][ T6727] 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
[  320.707284][ T6727] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.707307][ T6727] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  320.707322][ T6727] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  320.707337][ T6727] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  320.707351][ T6727] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  320.707365][ T6727] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  320.707401][ T6727]  </TASK>
[  320.707459][ T6727] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.032297][ T6727] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.430725][ T6731] loop1: detected capacity change from 0 to 32768
[  321.471306][ T6731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.480477][ T6731] CPU: 1 UID: 0 PID: 6731 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  321.480507][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  321.480520][ T6731] Call Trace:
[  321.480529][ T6731]  <TASK>
[  321.480538][ T6731]  dump_stack_lvl+0x189/0x250
[  321.480574][ T6731]  ? __pfx_dump_stack_lvl+0x10/0x10
[  321.480600][ T6731]  ? __pfx__printk+0x10/0x10
[  321.480636][ T6731]  ? kernfs_path_from_node+0x250/0x290
[  321.480659][ T6731]  ? kernfs_path_from_node+0x2f/0x290
[  321.480694][ T6731]  sysfs_create_dir_ns+0x259/0x280
[  321.480721][ T6731]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  321.480747][ T6731]  ? do_raw_spin_unlock+0x122/0x240
[  321.480782][ T6731]  kobject_add_internal+0x6ab/0xcc0
[  321.480812][ T6731]  kobject_init_and_add+0x125/0x190
[  321.480850][ T6731]  ? __pfx_kobject_init_and_add+0x10/0x10
[  321.480883][ T6731]  ? __raw_spin_lock_init+0x45/0x100
[  321.480913][ T6731]  ? __init_swait_queue_head+0xa9/0x150
[  321.480946][ T6731]  gfs2_sys_fs_add+0x234/0x450
[  321.480977][ T6731]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  321.481015][ T6731]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  321.481058][ T6731]  gfs2_fill_super+0x1388/0x21b0
[  321.481098][ T6731]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.481126][ T6731]  ? sb_set_blocksize+0x155/0x240
[  321.481157][ T6731]  ? setup_bdev_super+0x4c1/0x5b0
[  321.481184][ T6731]  get_tree_bdev_flags+0x40e/0x4d0
[  321.481207][ T6731]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.481231][ T6731]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  321.481252][ T6731]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  321.481294][ T6731]  gfs2_get_tree+0x51/0x1e0
[  321.481321][ T6731]  vfs_get_tree+0x92/0x2a0
[  321.481347][ T6731]  do_new_mount+0x302/0xa10
[  321.481372][ T6731]  ? apparmor_capable+0x137/0x1a0
[  321.481399][ T6731]  ? __pfx_do_new_mount+0x10/0x10
[  321.481427][ T6731]  ? ns_capable+0x8a/0xf0
[  321.481452][ T6731]  ? kmem_cache_free+0x197/0x620
[  321.481487][ T6731]  __se_sys_mount+0x313/0x410
[  321.481521][ T6731]  ? __pfx___se_sys_mount+0x10/0x10
[  321.481553][ T6731]  ? do_syscall_64+0xbe/0xf80
[  321.481579][ T6731]  ? __x64_sys_mount+0x20/0xc0
[  321.481609][ T6731]  do_syscall_64+0xfa/0xf80
[  321.481638][ T6731]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.481659][ T6731]  ? clear_bhb_loop+0x60/0xb0
[  321.481690][ T6731]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.481714][ T6731] RIP: 0033:0x7fc6f5b90eea
[  321.481732][ 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
[  321.481749][ T6731] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.481770][ T6731] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  321.481785][ T6731] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  321.481798][ T6731] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  321.481811][ T6731] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  321.481823][ T6731] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  321.481856][ T6731]  </TASK>
[  321.785913][ 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.
[  321.802117][ T6731] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.234412][ T6735] loop1: detected capacity change from 0 to 32768
[  322.257562][ T6735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.265126][ T6735] CPU: 0 UID: 0 PID: 6735 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  322.265152][ T6735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  322.265169][ T6735] Call Trace:
[  322.265177][ T6735]  <TASK>
[  322.265186][ T6735]  dump_stack_lvl+0x189/0x250
[  322.265220][ T6735]  ? __pfx_dump_stack_lvl+0x10/0x10
[  322.265244][ T6735]  ? __pfx__printk+0x10/0x10
[  322.265278][ T6735]  ? kernfs_path_from_node+0x250/0x290
[  322.265358][ T6735]  ? kernfs_path_from_node+0x2f/0x290
[  322.265385][ T6735]  sysfs_create_dir_ns+0x259/0x280
[  322.265413][ T6735]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  322.265438][ T6735]  ? do_raw_spin_unlock+0x122/0x240
[  322.265472][ T6735]  kobject_add_internal+0x6ab/0xcc0
[  322.265502][ T6735]  kobject_init_and_add+0x125/0x190
[  322.265540][ T6735]  ? __pfx_kobject_init_and_add+0x10/0x10
[  322.265573][ T6735]  ? __raw_spin_lock_init+0x45/0x100
[  322.265603][ T6735]  ? __init_swait_queue_head+0xa9/0x150
[  322.265636][ T6735]  gfs2_sys_fs_add+0x234/0x450
[  322.265668][ T6735]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  322.265706][ T6735]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  322.265750][ T6735]  gfs2_fill_super+0x1388/0x21b0
[  322.265791][ T6735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.265819][ T6735]  ? sb_set_blocksize+0x155/0x240
[  322.265850][ T6735]  ? setup_bdev_super+0x4c1/0x5b0
[  322.265876][ T6735]  get_tree_bdev_flags+0x40e/0x4d0
[  322.265899][ T6735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.265922][ T6735]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  322.265943][ T6735]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  322.265987][ T6735]  gfs2_get_tree+0x51/0x1e0
[  322.266012][ T6735]  vfs_get_tree+0x92/0x2a0
[  322.266038][ T6735]  do_new_mount+0x302/0xa10
[  322.266063][ T6735]  ? apparmor_capable+0x137/0x1a0
[  322.266090][ T6735]  ? __pfx_do_new_mount+0x10/0x10
[  322.266116][ T6735]  ? ns_capable+0x8a/0xf0
[  322.266140][ T6735]  ? kmem_cache_free+0x197/0x620
[  322.266175][ T6735]  __se_sys_mount+0x313/0x410
[  322.266209][ T6735]  ? __pfx___se_sys_mount+0x10/0x10
[  322.266241][ T6735]  ? do_syscall_64+0xbe/0xf80
[  322.266267][ T6735]  ? __x64_sys_mount+0x20/0xc0
[  322.266296][ T6735]  do_syscall_64+0xfa/0xf80
[  322.266325][ T6735]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.266356][ T6735]  ? clear_bhb_loop+0x60/0xb0
[  322.266382][ T6735]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.266402][ T6735] RIP: 0033:0x7fc6f5b90eea
[  322.266422][ T6735] 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
[  322.266440][ T6735] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.266461][ T6735] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  322.266477][ T6735] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  322.266491][ T6735] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  322.266505][ T6735] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  322.266518][ T6735] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  322.266554][ T6735]  </TASK>
[  322.266664][ T6735] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.377767][ T1301] ieee802154 phy0 wpan0: encryption failed: -22
[  322.384679][ T6735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.389493][ T1301] ieee802154 phy1 wpan1: encryption failed: -22
[  322.983089][ T6740] loop1: detected capacity change from 0 to 32768
[  323.013709][ T6740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.021147][ T6740] CPU: 0 UID: 0 PID: 6740 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  323.021172][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  323.021185][ T6740] Call Trace:
[  323.021193][ T6740]  <TASK>
[  323.021201][ T6740]  dump_stack_lvl+0x189/0x250
[  323.021236][ T6740]  ? __pfx_dump_stack_lvl+0x10/0x10
[  323.021261][ T6740]  ? __pfx__printk+0x10/0x10
[  323.021297][ T6740]  ? kernfs_path_from_node+0x250/0x290
[  323.021320][ T6740]  ? kernfs_path_from_node+0x2f/0x290
[  323.021346][ T6740]  sysfs_create_dir_ns+0x259/0x280
[  323.021372][ T6740]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  323.021397][ T6740]  ? do_raw_spin_unlock+0x122/0x240
[  323.021429][ T6740]  kobject_add_internal+0x6ab/0xcc0
[  323.021457][ T6740]  kobject_init_and_add+0x125/0x190
[  323.021500][ T6740]  ? __pfx_kobject_init_and_add+0x10/0x10
[  323.021531][ T6740]  ? __raw_spin_lock_init+0x45/0x100
[  323.021561][ T6740]  ? __init_swait_queue_head+0xa9/0x150
[  323.021592][ T6740]  gfs2_sys_fs_add+0x234/0x450
[  323.021624][ T6740]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  323.021661][ T6740]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  323.021702][ T6740]  gfs2_fill_super+0x1388/0x21b0
[  323.021744][ T6740]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.021771][ T6740]  ? sb_set_blocksize+0x155/0x240
[  323.021800][ T6740]  ? setup_bdev_super+0x4c1/0x5b0
[  323.021825][ T6740]  get_tree_bdev_flags+0x40e/0x4d0
[  323.021847][ T6740]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.021870][ T6740]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  323.021891][ T6740]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  323.021933][ T6740]  gfs2_get_tree+0x51/0x1e0
[  323.021958][ T6740]  vfs_get_tree+0x92/0x2a0
[  323.021982][ T6740]  do_new_mount+0x302/0xa10
[  323.022006][ T6740]  ? apparmor_capable+0x137/0x1a0
[  323.022033][ T6740]  ? __pfx_do_new_mount+0x10/0x10
[  323.022060][ T6740]  ? ns_capable+0x8a/0xf0
[  323.022083][ T6740]  ? kmem_cache_free+0x197/0x620
[  323.022117][ T6740]  __se_sys_mount+0x313/0x410
[  323.022150][ T6740]  ? __pfx___se_sys_mount+0x10/0x10
[  323.022180][ T6740]  ? do_syscall_64+0xbe/0xf80
[  323.022206][ T6740]  ? __x64_sys_mount+0x20/0xc0
[  323.022248][ T6740]  do_syscall_64+0xfa/0xf80
[  323.022275][ T6740]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.022295][ T6740]  ? clear_bhb_loop+0x60/0xb0
[  323.022320][ T6740]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.022339][ T6740] RIP: 0033:0x7fc6f5b90eea
[  323.022358][ 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
[  323.022376][ T6740] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.022396][ T6740] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  323.022410][ T6740] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  323.022424][ T6740] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  323.022438][ T6740] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  323.022451][ T6740] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  323.022491][ T6740]  </TASK>
[  323.326455][ 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.
[  323.342422][ T6740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  323.777054][ T6744] loop1: detected capacity change from 0 to 32768
[  323.803731][ T6744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.811341][ T6744] CPU: 1 UID: 0 PID: 6744 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  323.811370][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  323.811384][ T6744] Call Trace:
[  323.811393][ T6744]  <TASK>
[  323.811401][ T6744]  dump_stack_lvl+0x189/0x250
[  323.811438][ T6744]  ? __pfx_dump_stack_lvl+0x10/0x10
[  323.811464][ T6744]  ? __pfx__printk+0x10/0x10
[  323.811502][ T6744]  ? kernfs_path_from_node+0x250/0x290
[  323.811525][ T6744]  ? kernfs_path_from_node+0x2f/0x290
[  323.811553][ T6744]  sysfs_create_dir_ns+0x259/0x280
[  323.811579][ T6744]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  323.811605][ T6744]  ? do_raw_spin_unlock+0x122/0x240
[  323.811639][ T6744]  kobject_add_internal+0x6ab/0xcc0
[  323.811669][ T6744]  kobject_init_and_add+0x125/0x190
[  323.811711][ T6744]  ? __pfx_kobject_init_and_add+0x10/0x10
[  323.811744][ T6744]  ? __raw_spin_lock_init+0x45/0x100
[  323.811772][ T6744]  ? __init_swait_queue_head+0xa9/0x150
[  323.811804][ T6744]  gfs2_sys_fs_add+0x234/0x450
[  323.811836][ T6744]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  323.811871][ T6744]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  323.811912][ T6744]  gfs2_fill_super+0x1388/0x21b0
[  323.811952][ T6744]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.811978][ T6744]  ? sb_set_blocksize+0x155/0x240
[  323.812008][ T6744]  ? setup_bdev_super+0x4c1/0x5b0
[  323.812027][ T6744]  get_tree_bdev_flags+0x40e/0x4d0
[  323.812044][ T6744]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.812060][ T6744]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  323.812075][ T6744]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  323.812105][ T6744]  gfs2_get_tree+0x51/0x1e0
[  323.812124][ T6744]  vfs_get_tree+0x92/0x2a0
[  323.812142][ T6744]  do_new_mount+0x302/0xa10
[  323.812160][ T6744]  ? apparmor_capable+0x137/0x1a0
[  323.812179][ T6744]  ? __pfx_do_new_mount+0x10/0x10
[  323.812198][ T6744]  ? ns_capable+0x8a/0xf0
[  323.812221][ T6744]  ? kmem_cache_free+0x197/0x620
[  323.812245][ T6744]  __se_sys_mount+0x313/0x410
[  323.812269][ T6744]  ? __pfx___se_sys_mount+0x10/0x10
[  323.812291][ T6744]  ? do_syscall_64+0xbe/0xf80
[  323.812311][ T6744]  ? __x64_sys_mount+0x20/0xc0
[  323.812332][ T6744]  do_syscall_64+0xfa/0xf80
[  323.812352][ T6744]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.812367][ T6744]  ? clear_bhb_loop+0x60/0xb0
[  323.812385][ T6744]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.812399][ T6744] RIP: 0033:0x7fc6f5b90eea
[  323.812413][ T6744] 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
[  323.812425][ T6744] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.812441][ T6744] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  323.812451][ T6744] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  323.812464][ T6744] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  323.812474][ T6744] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  323.812483][ T6744] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  323.812506][ T6744]  </TASK>
[  324.118918][ T6744] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.132965][ T6744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.651076][ T6748] loop1: detected capacity change from 0 to 32768
[  324.684997][ T6748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.694156][ T6748] CPU: 1 UID: 0 PID: 6748 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  324.694186][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  324.694199][ T6748] Call Trace:
[  324.694209][ T6748]  <TASK>
[  324.694218][ T6748]  dump_stack_lvl+0x189/0x250
[  324.694255][ T6748]  ? __pfx_dump_stack_lvl+0x10/0x10
[  324.694293][ T6748]  ? __pfx__printk+0x10/0x10
[  324.694336][ T6748]  ? kernfs_path_from_node+0x250/0x290
[  324.694360][ T6748]  ? kernfs_path_from_node+0x2f/0x290
[  324.694395][ T6748]  sysfs_create_dir_ns+0x259/0x280
[  324.694421][ T6748]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  324.694447][ T6748]  ? do_raw_spin_unlock+0x122/0x240
[  324.694481][ T6748]  kobject_add_internal+0x6ab/0xcc0
[  324.694511][ T6748]  kobject_init_and_add+0x125/0x190
[  324.694549][ T6748]  ? __pfx_kobject_init_and_add+0x10/0x10
[  324.694581][ T6748]  ? __raw_spin_lock_init+0x45/0x100
[  324.694612][ T6748]  ? __init_swait_queue_head+0xa9/0x150
[  324.694645][ T6748]  gfs2_sys_fs_add+0x234/0x450
[  324.694678][ T6748]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  324.694716][ T6748]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  324.694760][ T6748]  gfs2_fill_super+0x1388/0x21b0
[  324.694800][ T6748]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.694829][ T6748]  ? sb_set_blocksize+0x155/0x240
[  324.694859][ T6748]  ? setup_bdev_super+0x4c1/0x5b0
[  324.694886][ T6748]  get_tree_bdev_flags+0x40e/0x4d0
[  324.694910][ T6748]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.694933][ T6748]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  324.694954][ T6748]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  324.694997][ T6748]  gfs2_get_tree+0x51/0x1e0
[  324.695023][ T6748]  vfs_get_tree+0x92/0x2a0
[  324.695049][ T6748]  do_new_mount+0x302/0xa10
[  324.695074][ T6748]  ? apparmor_capable+0x137/0x1a0
[  324.695102][ T6748]  ? __pfx_do_new_mount+0x10/0x10
[  324.695129][ T6748]  ? ns_capable+0x8a/0xf0
[  324.695154][ T6748]  ? kmem_cache_free+0x197/0x620
[  324.695189][ T6748]  __se_sys_mount+0x313/0x410
[  324.695223][ T6748]  ? __pfx___se_sys_mount+0x10/0x10
[  324.695254][ T6748]  ? do_syscall_64+0xbe/0xf80
[  324.695281][ T6748]  ? __x64_sys_mount+0x20/0xc0
[  324.695310][ T6748]  do_syscall_64+0xfa/0xf80
[  324.695339][ T6748]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.695360][ T6748]  ? clear_bhb_loop+0x60/0xb0
[  324.695391][ T6748]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.695411][ T6748] RIP: 0033:0x7fc6f5b90eea
[  324.695431][ T6748] 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
[  324.695448][ T6748] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.695470][ T6748] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  324.695485][ T6748] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  324.695499][ T6748] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  324.695514][ T6748] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  324.695527][ T6748] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  324.695561][ T6748]  </TASK>
[  324.695667][ T6748] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  325.016376][ T6748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.444147][ T6752] loop1: detected capacity change from 0 to 32768
[  325.457243][ T6752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.466038][ T6752] CPU: 1 UID: 0 PID: 6752 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  325.466065][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  325.466078][ T6752] Call Trace:
[  325.466087][ T6752]  <TASK>
[  325.466096][ T6752]  dump_stack_lvl+0x189/0x250
[  325.466130][ T6752]  ? __pfx_dump_stack_lvl+0x10/0x10
[  325.466156][ T6752]  ? __pfx__printk+0x10/0x10
[  325.466193][ T6752]  ? kernfs_path_from_node+0x250/0x290
[  325.466218][ T6752]  ? kernfs_path_from_node+0x2f/0x290
[  325.466245][ T6752]  sysfs_create_dir_ns+0x259/0x280
[  325.466281][ T6752]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  325.466306][ T6752]  ? do_raw_spin_unlock+0x122/0x240
[  325.466341][ T6752]  kobject_add_internal+0x6ab/0xcc0
[  325.466371][ T6752]  kobject_init_and_add+0x125/0x190
[  325.466409][ T6752]  ? __pfx_kobject_init_and_add+0x10/0x10
[  325.466442][ T6752]  ? __raw_spin_lock_init+0x45/0x100
[  325.466473][ T6752]  ? __init_swait_queue_head+0xa9/0x150
[  325.466505][ T6752]  gfs2_sys_fs_add+0x234/0x450
[  325.466538][ T6752]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  325.466577][ T6752]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  325.466620][ T6752]  gfs2_fill_super+0x1388/0x21b0
[  325.466661][ T6752]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.466689][ T6752]  ? sb_set_blocksize+0x155/0x240
[  325.466721][ T6752]  ? setup_bdev_super+0x4c1/0x5b0
[  325.466746][ T6752]  get_tree_bdev_flags+0x40e/0x4d0
[  325.466769][ T6752]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.466792][ T6752]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  325.466813][ T6752]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  325.466857][ T6752]  gfs2_get_tree+0x51/0x1e0
[  325.466883][ T6752]  vfs_get_tree+0x92/0x2a0
[  325.466909][ T6752]  do_new_mount+0x302/0xa10
[  325.466934][ T6752]  ? apparmor_capable+0x137/0x1a0
[  325.466962][ T6752]  ? __pfx_do_new_mount+0x10/0x10
[  325.466990][ T6752]  ? ns_capable+0x8a/0xf0
[  325.467015][ T6752]  ? kmem_cache_free+0x197/0x620
[  325.467049][ T6752]  __se_sys_mount+0x313/0x410
[  325.467083][ T6752]  ? __pfx___se_sys_mount+0x10/0x10
[  325.467115][ T6752]  ? do_syscall_64+0xbe/0xf80
[  325.467141][ T6752]  ? __x64_sys_mount+0x20/0xc0
[  325.467170][ T6752]  do_syscall_64+0xfa/0xf80
[  325.467199][ T6752]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.467220][ T6752]  ? clear_bhb_loop+0x60/0xb0
[  325.467252][ T6752]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.467273][ T6752] RIP: 0033:0x7fc6f5b90eea
[  325.467293][ 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
[  325.467310][ T6752] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.467332][ T6752] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  325.467347][ T6752] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  325.467362][ T6752] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  325.467376][ T6752] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  325.467390][ T6752] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  325.467424][ T6752]  </TASK>
[  325.468037][ 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.
[  325.789262][ T6752] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/29 01:14:09 executed programs: 179
[  326.188458][ T6756] loop1: detected capacity change from 0 to 32768
[  326.204464][ T6756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  326.212838][ T6756] CPU: 1 UID: 0 PID: 6756 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  326.212865][ T6756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  326.212878][ T6756] Call Trace:
[  326.212887][ T6756]  <TASK>
[  326.212896][ T6756]  dump_stack_lvl+0x189/0x250
[  326.212930][ T6756]  ? __pfx_dump_stack_lvl+0x10/0x10
[  326.212965][ T6756]  ? __pfx__printk+0x10/0x10
[  326.213001][ T6756]  ? kernfs_path_from_node+0x250/0x290
[  326.213025][ T6756]  ? kernfs_path_from_node+0x2f/0x290
[  326.213051][ T6756]  sysfs_create_dir_ns+0x259/0x280
[  326.213077][ T6756]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  326.213133][ T6756]  ? do_raw_spin_unlock+0x122/0x240
[  326.213168][ T6756]  kobject_add_internal+0x6ab/0xcc0
[  326.213197][ T6756]  kobject_init_and_add+0x125/0x190
[  326.213236][ T6756]  ? __pfx_kobject_init_and_add+0x10/0x10
[  326.213270][ T6756]  ? __raw_spin_lock_init+0x45/0x100
[  326.213302][ T6756]  ? __init_swait_queue_head+0xa9/0x150
[  326.213336][ T6756]  gfs2_sys_fs_add+0x234/0x450
[  326.213369][ T6756]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  326.213409][ T6756]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  326.213454][ T6756]  gfs2_fill_super+0x1388/0x21b0
[  326.213496][ T6756]  ? __pfx_gfs2_fill_super+0x10/0x10
[  326.213525][ T6756]  ? sb_set_blocksize+0x155/0x240
[  326.213558][ T6756]  ? setup_bdev_super+0x4c1/0x5b0
[  326.213586][ T6756]  get_tree_bdev_flags+0x40e/0x4d0
[  326.213609][ T6756]  ? __pfx_gfs2_fill_super+0x10/0x10
[  326.213641][ T6756]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  326.213663][ T6756]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  326.213708][ T6756]  gfs2_get_tree+0x51/0x1e0
[  326.213735][ T6756]  vfs_get_tree+0x92/0x2a0
[  326.213762][ T6756]  do_new_mount+0x302/0xa10
[  326.213788][ T6756]  ? apparmor_capable+0x137/0x1a0
[  326.213817][ T6756]  ? __pfx_do_new_mount+0x10/0x10
[  326.213845][ T6756]  ? ns_capable+0x8a/0xf0
[  326.213872][ T6756]  ? kmem_cache_free+0x197/0x620
[  326.213908][ T6756]  __se_sys_mount+0x313/0x410
[  326.213951][ T6756]  ? __pfx___se_sys_mount+0x10/0x10
[  326.213984][ T6756]  ? do_syscall_64+0xbe/0xf80
[  326.214011][ T6756]  ? __x64_sys_mount+0x20/0xc0
[  326.214042][ T6756]  do_syscall_64+0xfa/0xf80
[  326.214071][ T6756]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.214094][ T6756]  ? clear_bhb_loop+0x60/0xb0
[  326.214120][ T6756]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.214141][ T6756] RIP: 0033:0x7fc6f5b90eea
[  326.214161][ T6756] 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
[  326.214180][ T6756] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.214203][ T6756] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  326.214219][ T6756] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  326.214234][ T6756] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  326.214248][ T6756] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  326.214262][ T6756] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  326.214297][ T6756]  </TASK>
[  326.214918][ T6756] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.536454][ T6756] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.832082][   T31] INFO: task syz-executor:5959 blocked for more than 143 seconds.
[  326.840137][   T31]       Not tainted syzkaller #0
[  326.845513][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  326.855366][   T31] task:syz-executor    state:D stack:19496 pid:5959  tgid:5959  ppid:1      task_flags:0x400140 flags:0x00080002
[  326.867734][   T31] Call Trace:
[  326.871060][   T31]  <TASK>
[  326.874424][   T31]  __schedule+0x150e/0x5070
[  326.879080][   T31]  ? do_raw_spin_lock+0x121/0x290
[  326.884563][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  326.890076][   T31]  ? __pfx___schedule+0x10/0x10
[  326.895303][   T31]  ? schedule+0x91/0x360
[  326.899598][   T31]  schedule+0x165/0x360
[  326.905964][   T31]  bit_wait+0x11/0xd0
[  326.910006][   T31]  __wait_on_bit+0xb9/0x310
[  326.916712][   T31]  ? __pfx_bit_wait+0x10/0x10
[  326.921446][   T31]  ? __pfx_bit_wait+0x10/0x10
[  326.926660][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  326.934410][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  326.940537][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  326.946951][   T31]  gfs2_glock_wait+0xbd/0x2a0
[  326.952001][   T31]  __gfs2_lookup+0x117/0x270
[  326.956642][   T31]  ? __pfx___gfs2_lookup+0x10/0x10
[  326.962294][   T31]  ? __lookup_slow+0x297/0x3d0
[  326.967112][   T31]  ? __raw_spin_lock_init+0x45/0x100
[  326.972944][   T31]  ? __init_waitqueue_head+0xa9/0x150
[  326.978375][   T31]  __lookup_slow+0x297/0x3d0
[  326.983506][   T31]  ? __pfx___lookup_slow+0x10/0x10
[  326.988693][   T31]  ? down_read+0x274/0x2e0
[  326.993772][   T31]  lookup_slow+0x53/0x70
[  326.998068][   T31]  path_lookupat+0x3f5/0x8c0
[  327.003151][   T31]  filename_lookup+0x212/0x570
[  327.008072][   T31]  ? __pfx_filename_lookup+0x10/0x10
[  327.013950][   T31]  ? strncpy_from_user+0x150/0x2c0
[  327.019223][   T31]  ? getname_flags+0x1e5/0x540
[  327.024504][   T31]  user_path_at+0x3a/0x60
[  327.028894][   T31]  __x64_sys_umount+0xee/0x160
[  327.034116][   T31]  ? __pfx___x64_sys_umount+0x10/0x10
[  327.039550][   T31]  ? do_syscall_64+0xbe/0xf80
[  327.044882][   T31]  do_syscall_64+0xfa/0xf80
[  327.049972][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.056568][   T31]  ? clear_bhb_loop+0x60/0xb0
[  327.061298][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.067679][   T31] RIP: 0033:0x7fca2bd90a77
[  327.072381][   T31] RSP: 002b:00007ffc114691f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  327.080915][   T31] RAX: ffffffffffffffda RBX: 00007fca2be13d7d RCX: 00007fca2bd90a77
[  327.089346][   T31] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc114692b0
[  327.097667][   T31] RBP: 00007ffc114692b0 R08: 0000000000000000 R09: 0000000000000000
[  327.106050][   T31] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc1146a3a0
[  327.114410][   T31] R13: 00007fca2be13d7d R14: 000000000002a3f8 R15: 00007ffc1146c560
[  327.122771][   T31]  </TASK>
[  327.125943][   T31] 
[  327.125943][   T31] Showing all locks held in the system:
[  327.134133][   T31] 1 lock held by khungtaskd/31:
[  327.139115][   T31]  #0: ffffffff8e13f2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  327.150292][   T31] 2 locks held by getty/5590:
[  327.156755][   T31]  #0: ffff88803461a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  327.166939][   T31]  #1: ffffc9000331e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460
[  327.177454][   T31] 1 lock held by syz-executor/5959:
[  327.183256][   T31]  #0: ffff88805998d768 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: lookup_slow+0x46/0x70
[  327.190662][ T6760] loop1: detected capacity change from 0 to 32768
[  327.194508][   T31] 6 locks held by syz.1.195/6760:
[  327.215355][   T31]  #0: ffff8880288fe0e0 (&type->s_umount_key#53/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xaa0
[  327.226023][   T31]  #1: ffffffff8dfe53c8 (wq_pool_mutex){+.+.}-{4:4}, at: __alloc_workqueue+0xa07/0x1b80
[  327.243628][ T6760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  327.251904][ T6760] CPU: 1 UID: 0 PID: 6760 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  327.251932][ T6760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  327.251945][ T6760] Call Trace:
[  327.251954][ T6760]  <TASK>
[  327.251963][ T6760]  dump_stack_lvl+0x189/0x250
[  327.252016][ T6760]  ? __pfx_dump_stack_lvl+0x10/0x10
[  327.252043][ T6760]  ? __pfx__printk+0x10/0x10
[  327.252082][ T6760]  ? kernfs_path_from_node+0x250/0x290
[  327.252105][ T6760]  ? kernfs_path_from_node+0x2f/0x290
[  327.252134][ T6760]  sysfs_create_dir_ns+0x259/0x280
[  327.252162][ T6760]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  327.252189][ T6760]  ? do_raw_spin_unlock+0x122/0x240
[  327.252224][ T6760]  kobject_add_internal+0x6ab/0xcc0
[  327.252254][ T6760]  kobject_init_and_add+0x125/0x190
[  327.252294][ T6760]  ? __pfx_kobject_init_and_add+0x10/0x10
[  327.252328][ T6760]  ? __raw_spin_lock_init+0x45/0x100
[  327.252359][ T6760]  ? __init_swait_queue_head+0xa9/0x150
[  327.252393][ T6760]  gfs2_sys_fs_add+0x234/0x450
[  327.252425][ T6760]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  327.252463][ T6760]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  327.252508][ T6760]  gfs2_fill_super+0x1388/0x21b0
[  327.252549][ T6760]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.252580][ T6760]  ? sb_set_blocksize+0x155/0x240
[  327.252603][ T6760]  ? setup_bdev_super+0x4c1/0x5b0
[  327.252623][ T6760]  get_tree_bdev_flags+0x40e/0x4d0
[  327.252639][ T6760]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.252656][ T6760]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  327.252671][ T6760]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  327.252703][ T6760]  gfs2_get_tree+0x51/0x1e0
[  327.252722][ T6760]  vfs_get_tree+0x92/0x2a0
[  327.252741][ T6760]  do_new_mount+0x302/0xa10
[  327.252760][ T6760]  ? apparmor_capable+0x137/0x1a0
[  327.252779][ T6760]  ? __pfx_do_new_mount+0x10/0x10
[  327.252798][ T6760]  ? ns_capable+0x8a/0xf0
[  327.252816][ T6760]  ? kmem_cache_free+0x197/0x620
[  327.252841][ T6760]  __se_sys_mount+0x313/0x410
[  327.252866][ T6760]  ? __pfx___se_sys_mount+0x10/0x10
[  327.252895][ T6760]  ? do_syscall_64+0xbe/0xf80
[  327.252915][ T6760]  ? __x64_sys_mount+0x20/0xc0
[  327.252937][ T6760]  do_syscall_64+0xfa/0xf80
[  327.252958][ T6760]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.252973][ T6760]  ? clear_bhb_loop+0x60/0xb0
[  327.252992][ T6760]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.253006][ T6760] RIP: 0033:0x7fc6f5b90eea
[  327.253021][ T6760] 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
[  327.253034][ T6760] RSP: 002b:00007ffcd7d39a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.253054][ T6760] RAX: ffffffffffffffda RBX: 00007ffcd7d39ab0 RCX: 00007fc6f5b90eea
[  327.253065][ T6760] RDX: 0000200000000400 RSI: 00002000000008c0 RDI: 00007ffcd7d39a70
[  327.253076][ T6760] RBP: 0000200000000400 R08: 00007ffcd7d39ab0 R09: 0000000001814084
[  327.253086][ T6760] R10: 0000000001814084 R11: 0000000000000246 R12: 00002000000008c0
[  327.253096][ T6760] R13: 00007ffcd7d39a70 R14: 0000000000037f14 R15: 0000200000000480
[  327.253120][ T6760]  </TASK>
[  327.253140][ T6760] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  327.284632][   T31]  #2: 
[  327.290615][ T6760] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  327.297204][   T31] ffffffff8e01aa98 (console_srcu){....}-{0:0}, at: __wake_up_common_lock+0x2f/0x1f0
[  327.597354][   T31]  #3: ffff8880b873ab18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[  327.611306][   T31]  #4: ffff8880b8724588 (psi_seq){-.-.}-{0:0}, at: psi_task_change+0xd9/0x340
[  327.621801][   T31]  #5: ffffffff92a454a8 (pvclock_gtod_data){-.-.}-{0:0}, at: notifier_call_chain+0x19d/0x3a0
[  327.641791][   T31] 1 lock held by syz.1.196/6764:
[  327.647012][   T31] 
[  327.649393][   T31] =============================================
[  327.649393][   T31] 
[  327.668108][   T31] NMI backtrace for cpu 0
[  327.668129][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  327.668152][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  327.668166][   T31] Call Trace:
[  327.668175][   T31]  <TASK>
[  327.668184][   T31]  dump_stack_lvl+0x189/0x250
[  327.668219][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  327.668245][   T31]  ? __pfx__printk+0x10/0x10
[  327.668288][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  327.668315][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  327.668340][   T31]  ? __pfx__printk+0x10/0x10
[  327.668375][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  327.668410][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  327.668436][   T31]  sys_info+0x135/0x170
[  327.668455][   T31]  watchdog+0xe40/0xe90
[  327.668491][   T31]  ? watchdog+0x202/0xe90
[  327.668526][   T31]  kthread+0x711/0x8a0
[  327.668557][   T31]  ? __pfx_watchdog+0x10/0x10
[  327.668585][   T31]  ? __pfx_kthread+0x10/0x10
[  327.668614][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  327.668640][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  327.668666][   T31]  ? __pfx_kthread+0x10/0x10
[  327.668694][   T31]  ret_from_fork+0x599/0xb30
[  327.668718][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  327.668750][   T31]  ? __switch_to_asm+0x39/0x70
[  327.668776][   T31]  ? __switch_to_asm+0x33/0x70
[  327.668801][   T31]  ? __pfx_kthread+0x10/0x10
[  327.668829][   T31]  ret_from_fork_asm+0x1a/0x30
[  327.668873][   T31]  </TASK>
[  327.668881][   T31] Sending NMI from CPU 0 to CPUs 1:
[  327.821381][    C1] NMI backtrace for cpu 1
[  327.821398][    C1] CPU: 1 UID: 0 PID: 6022 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
[  327.821418][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  327.821429][    C1] RIP: 0010:unwind_next_frame+0xd6d/0x23d0
[  327.821457][    C1] Code: 00 fc ff df 48 8b 4c 24 20 0f b6 04 01 84 c0 0f 85 58 11 00 00 41 83 3e 00 0f 95 c0 49 39 df 0f 96 c1 20 c1 49 39 dc 0f 97 c0 <20> c8 3c 01 75 18 48 8d 43 08 4c 39 f8 0f 97 c1 4c 39 e0 0f 96 c0
[  327.821472][    C1] RSP: 0000:ffffc900035270f8 EFLAGS: 00000202
[  327.821488][    C1] RAX: 0000000000000001 RBX: ffffc90003527cf0 RCX: 1ffff920006a4e01
[  327.821500][    C1] RDX: ffffffff90450dfc RSI: 0000000000000002 RDI: ffffffff8be07900
[  327.821513][    C1] RBP: 1ffff920006a4e3a R08: 0000000000000001 R09: ffffffff8e13f2e0
[  327.821525][    C1] R10: ffffc90003527218 R11: ffffffff81ad9d50 R12: ffffc90003528000
[  327.821537][    C1] R13: 1ffff920006a4e3b R14: ffffc900035271c8 R15: ffffc90003520000
[  327.821551][    C1] FS:  00007f3b97d4d880(0000) GS:ffff888125d25000(0000) knlGS:0000000000000000
[  327.821565][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  327.821577][    C1] CR2: 00007ffcd7c94e00 CR3: 000000002034a000 CR4: 00000000003526f0
[  327.821594][    C1] Call Trace:
[  327.821600][    C1]  <TASK>
[  327.821612][    C1]  ? unwind_next_frame+0xa5/0x23d0
[  327.821633][    C1]  ? __dentry_kill+0x209/0x660
[  327.821655][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  327.821672][    C1]  arch_stack_walk+0x11c/0x150
[  327.821695][    C1]  ? __dentry_kill+0x209/0x660
[  327.821721][    C1]  stack_trace_save+0x9c/0xe0
[  327.821738][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  327.821757][    C1]  ? do_raw_spin_lock+0x121/0x290
[  327.821785][    C1]  save_stack+0xf5/0x1f0
[  327.821804][    C1]  ? __pfx_save_stack+0x10/0x10
[  327.821827][    C1]  ? free_unref_folios+0xdb3/0x14f0
[  327.821845][    C1]  ? folios_put_refs+0x584/0x670
[  327.821866][    C1]  ? shmem_undo_range+0x49e/0x1490
[  327.821888][    C1]  ? shmem_evict_inode+0x26e/0xa70
[  327.821904][    C1]  ? evict+0x5f4/0xae0
[  327.821920][    C1]  ? __dentry_kill+0x209/0x660
[  327.821943][    C1]  ? page_ext_put+0x97/0xc0
[  327.821963][    C1]  __reset_page_owner+0x71/0x1f0
[  327.821983][    C1]  free_unref_folios+0xdb3/0x14f0
[  327.822004][    C1]  ? __page_cache_release+0x8a6/0xbb0
[  327.822027][    C1]  ? folio_unqueue_deferred_split+0x93/0x230
[  327.822049][    C1]  folios_put_refs+0x584/0x670
[  327.822076][    C1]  ? __pfx_folios_put_refs+0x10/0x10
[  327.822099][    C1]  ? folio_batch_remove_exceptionals+0x18c/0x1f0
[  327.822125][    C1]  shmem_undo_range+0x49e/0x1490
[  327.822155][    C1]  ? __pfx_shmem_undo_range+0x10/0x10
[  327.822191][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  327.822224][    C1]  ? __lock_acquire+0x6b6/0x2cf0
[  327.822264][    C1]  ? stack_depot_save_flags+0x40/0x850
[  327.822286][    C1]  shmem_evict_inode+0x26e/0xa70
[  327.822309][    C1]  ? inode_wait_for_writeback+0x14d/0x370
[  327.822327][    C1]  ? __pfx_shmem_evict_inode+0x10/0x10
[  327.822346][    C1]  ? __pfx_inode_wait_for_writeback+0x10/0x10
[  327.822370][    C1]  ? do_raw_spin_unlock+0x122/0x240
[  327.822394][    C1]  ? __pfx_shmem_evict_inode+0x10/0x10
[  327.822413][    C1]  evict+0x5f4/0xae0
[  327.822436][    C1]  ? __pfx_evict+0x10/0x10
[  327.822452][    C1]  ? do_raw_spin_unlock+0x122/0x240
[  327.822478][    C1]  ? _raw_spin_unlock+0x28/0x50
[  327.822498][    C1]  ? iput+0xcc6/0x1030
[  327.822526][    C1]  __dentry_kill+0x209/0x660
[  327.822546][    C1]  ? finish_dput+0xad/0x480
[  327.822568][    C1]  finish_dput+0xc9/0x480
[  327.822592][    C1]  __fput+0x68e/0xa70
[  327.822623][    C1]  task_work_run+0x1d4/0x260
[  327.822648][    C1]  ? __pfx_task_work_run+0x10/0x10
[  327.822675][    C1]  ? exit_to_user_mode_loop+0x55/0x4f0
[  327.822696][    C1]  exit_to_user_mode_loop+0xff/0x4f0
[  327.822714][    C1]  ? rcu_is_watching+0x15/0xb0
[  327.822739][    C1]  do_syscall_64+0x2d0/0xf80
[  327.822764][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.822781][    C1]  ? clear_bhb_loop+0x60/0xb0
[  327.822801][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.822824][    C1] RIP: 0033:0x7f3b976a7407
[  327.822840][    C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  327.822855][    C1] RSP: 002b:00007fffe893e5e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[  327.822872][    C1] RAX: 0000000000000000 RBX: 00007f3b97d4d880 RCX: 00007f3b976a7407
[  327.822884][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
[  327.822894][    C1] RBP: 00007f3b97d4d6e8 R08: 0000000000000000 R09: 0000000000000000
[  327.822905][    C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  327.822916][    C1] R13: 000055c4a4a36190 R14: 0000000000000008 R15: 000055c4a4a3d830
[  327.822939][    C1]  </TASK>
[  328.322261][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  328.329192][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  328.338344][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  328.348479][   T31] Call Trace:
[  328.351797][   T31]  <TASK>
[  328.354762][   T31]  dump_stack_lvl+0x99/0x250
[  328.359401][   T31]  ? __asan_memcpy+0x40/0x70
[  328.364037][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  328.369264][   T31]  ? __pfx__printk+0x10/0x10
[  328.373900][   T31]  vpanic+0x237/0x6d0
[  328.377905][   T31]  ? __pfx_vpanic+0x10/0x10
[  328.382524][   T31]  ? preempt_schedule_common+0x83/0xd0
[  328.388028][   T31]  panic+0xb9/0xc0
[  328.391773][   T31]  ? __pfx_panic+0x10/0x10
[  328.396213][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  328.401630][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  328.407805][   T31]  watchdog+0xe83/0xe90
[  328.411989][   T31]  ? watchdog+0x202/0xe90
[  328.416349][   T31]  kthread+0x711/0x8a0
[  328.420459][   T31]  ? __pfx_watchdog+0x10/0x10
[  328.425178][   T31]  ? __pfx_kthread+0x10/0x10
[  328.429803][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  328.435036][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  328.440259][   T31]  ? __pfx_kthread+0x10/0x10
[  328.444880][   T31]  ret_from_fork+0x599/0xb30
[  328.449491][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  328.454628][   T31]  ? __switch_to_asm+0x39/0x70
[  328.459408][   T31]  ? __switch_to_asm+0x33/0x70
[  328.464279][   T31]  ? __pfx_kthread+0x10/0x10
[  328.468902][   T31]  ret_from_fork_asm+0x1a/0x30
[  328.473698][   T31]  </TASK>
[  328.477334][   T31] Kernel Offset: disabled
[  328.481664][   T31] Rebooting in 86400 seconds..