x10/0x10
[  277.202973][ T6487]  ? ns_capable+0x8a/0xf0
[  277.202996][ T6487]  ? kmem_cache_free+0x197/0x620
[  277.203030][ T6487]  __se_sys_mount+0x313/0x410
[  277.203060][ T6487]  ? __pfx___se_sys_mount+0x10/0x10
[  277.203109][ T6487]  ? do_syscall_64+0xbe/0xf80
[  277.203131][ T6487]  ? __x64_sys_mount+0x20/0xc0
[  277.203158][ T6487]  do_syscall_64+0xfa/0xf80
[  277.203189][ T6487]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.203208][ T6487]  ? clear_bhb_loop+0x60/0xb0
[  277.203232][ T6487]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.203249][ T6487] RIP: 0033:0x7f7da1790eea
[  277.203267][ T6487] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  277.203283][ T6487] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.203304][ T6487] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  277.203318][ T6487] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  277.203331][ T6487] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  277.203344][ T6487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  277.203355][ T6487] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  277.203391][ T6487]  </TASK>
[  277.203472][ T6487] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.531228][ T6487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.934792][ T6490] loop1: detected capacity change from 0 to 32768
[  277.949097][ T6490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.957500][ T6490] CPU: 0 UID: 0 PID: 6490 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) 
[  277.957526][ T6490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  277.957537][ T6490] Call Trace:
[  277.957546][ T6490]  <TASK>
[  277.957554][ T6490]  dump_stack_lvl+0x189/0x250
[  277.957585][ T6490]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.957608][ T6490]  ? __pfx__printk+0x10/0x10
[  277.957642][ T6490]  ? kernfs_path_from_node+0x250/0x290
[  277.957663][ T6490]  ? kernfs_path_from_node+0x2f/0x290
[  277.957687][ T6490]  sysfs_create_dir_ns+0x259/0x280
[  277.957709][ T6490]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.957732][ T6490]  ? do_raw_spin_unlock+0x122/0x240
[  277.957763][ T6490]  kobject_add_internal+0x6ab/0xcc0
[  277.957798][ T6490]  kobject_init_and_add+0x125/0x190
[  277.957828][ T6490]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.957854][ T6490]  ? __raw_spin_lock_init+0x45/0x100
[  277.957879][ T6490]  ? __init_swait_queue_head+0xa9/0x150
[  277.957909][ T6490]  gfs2_sys_fs_add+0x234/0x450
[  277.957947][ T6490]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.957983][ T6490]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.958026][ T6490]  gfs2_fill_super+0x1388/0x21b0
[  277.958062][ T6490]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.958086][ T6490]  ? sb_set_blocksize+0x155/0x240
[  277.958115][ T6490]  ? setup_bdev_super+0x4c1/0x5b0
[  277.958139][ T6490]  get_tree_bdev_flags+0x40e/0x4d0
[  277.958160][ T6490]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.958180][ T6490]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.958197][ T6490]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.958235][ T6490]  gfs2_get_tree+0x51/0x1e0
[  277.958259][ T6490]  vfs_get_tree+0x92/0x2a0
[  277.958283][ T6490]  do_new_mount+0x302/0xa10
[  277.958304][ T6490]  ? apparmor_capable+0x137/0x1a0
[  277.958330][ T6490]  ? __pfx_do_new_mount+0x10/0x10
[  277.958354][ T6490]  ? ns_capable+0x8a/0xf0
[  277.958379][ T6490]  ? kmem_cache_free+0x197/0x620
[  277.958413][ T6490]  __se_sys_mount+0x313/0x410
[  277.958443][ T6490]  ? __pfx___se_sys_mount+0x10/0x10
[  277.958469][ T6490]  ? do_syscall_64+0xbe/0xf80
[  277.958489][ T6490]  ? __x64_sys_mount+0x20/0xc0
[  277.958515][ T6490]  do_syscall_64+0xfa/0xf80
[  277.958538][ T6490]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.958557][ T6490]  ? clear_bhb_loop+0x60/0xb0
[  277.958582][ T6490]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.958600][ T6490] RIP: 0033:0x7f7da1790eea
[  277.958618][ T6490] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  277.958633][ T6490] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.958655][ T6490] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  277.958669][ T6490] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  277.958683][ T6490] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  277.958695][ T6490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  277.958707][ T6490] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  277.958741][ T6490]  </TASK>
[  277.958932][ T6490] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.290556][ T6490] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.688764][ T6493] loop1: detected capacity change from 0 to 32768
[  278.709658][ T6493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.721215][ T6493] CPU: 0 UID: 0 PID: 6493 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) 
[  278.721241][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.721254][ T6493] Call Trace:
[  278.721262][ T6493]  <TASK>
[  278.721270][ T6493]  dump_stack_lvl+0x189/0x250
[  278.721304][ T6493]  ? __pfx_dump_stack_lvl+0x10/0x10
[  278.721327][ T6493]  ? __pfx__printk+0x10/0x10
[  278.721360][ T6493]  ? kernfs_path_from_node+0x250/0x290
[  278.721381][ T6493]  ? kernfs_path_from_node+0x2f/0x290
[  278.721407][ T6493]  sysfs_create_dir_ns+0x259/0x280
[  278.721431][ T6493]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.721453][ T6493]  ? do_raw_spin_unlock+0x122/0x240
[  278.721483][ T6493]  kobject_add_internal+0x6ab/0xcc0
[  278.721519][ T6493]  kobject_init_and_add+0x125/0x190
[  278.721551][ T6493]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.721578][ T6493]  ? __raw_spin_lock_init+0x45/0x100
[  278.721606][ T6493]  ? __init_swait_queue_head+0xa9/0x150
[  278.721636][ T6493]  gfs2_sys_fs_add+0x234/0x450
[  278.721665][ T6493]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.721714][ T6493]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.721756][ T6493]  gfs2_fill_super+0x1388/0x21b0
[  278.721794][ T6493]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.721820][ T6493]  ? sb_set_blocksize+0x155/0x240
[  278.721847][ T6493]  ? setup_bdev_super+0x4c1/0x5b0
[  278.721872][ T6493]  get_tree_bdev_flags+0x40e/0x4d0
[  278.721893][ T6493]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.721913][ T6493]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.721930][ T6493]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.721970][ T6493]  gfs2_get_tree+0x51/0x1e0
[  278.721994][ T6493]  vfs_get_tree+0x92/0x2a0
[  278.722017][ T6493]  do_new_mount+0x302/0xa10
[  278.722039][ T6493]  ? apparmor_capable+0x137/0x1a0
[  278.722064][ T6493]  ? __pfx_do_new_mount+0x10/0x10
[  278.722088][ T6493]  ? ns_capable+0x8a/0xf0
[  278.722112][ T6493]  ? kmem_cache_free+0x197/0x620
[  278.722144][ T6493]  __se_sys_mount+0x313/0x410
[  278.722184][ T6493]  ? __pfx___se_sys_mount+0x10/0x10
[  278.722214][ T6493]  ? do_syscall_64+0xbe/0xf80
[  278.722235][ T6493]  ? __x64_sys_mount+0x20/0xc0
[  278.722261][ T6493]  do_syscall_64+0xfa/0xf80
[  278.722286][ T6493]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.722305][ T6493]  ? clear_bhb_loop+0x60/0xb0
[  278.722327][ T6493]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.722346][ T6493] RIP: 0033:0x7f7da1790eea
[  278.722365][ T6493] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  278.722381][ T6493] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.722402][ T6493] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  278.722416][ T6493] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  278.722429][ T6493] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  278.722442][ T6493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  278.722455][ T6493] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  278.722490][ T6493]  </TASK>
[  278.722518][ T6493] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.045538][ T6493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.448624][ T6496] loop1: detected capacity change from 0 to 32768
[  279.482141][ T6496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.490381][ T6496] CPU: 1 UID: 0 PID: 6496 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) 
[  279.490409][ T6496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.490422][ T6496] Call Trace:
[  279.490431][ T6496]  <TASK>
[  279.490440][ T6496]  dump_stack_lvl+0x189/0x250
[  279.490474][ T6496]  ? __pfx_dump_stack_lvl+0x10/0x10
[  279.490499][ T6496]  ? __pfx__printk+0x10/0x10
[  279.490533][ T6496]  ? kernfs_path_from_node+0x250/0x290
[  279.490554][ T6496]  ? kernfs_path_from_node+0x2f/0x290
[  279.490580][ T6496]  sysfs_create_dir_ns+0x259/0x280
[  279.490604][ T6496]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.490628][ T6496]  ? do_raw_spin_unlock+0x122/0x240
[  279.490653][ T6496]  kobject_add_internal+0x6ab/0xcc0
[  279.490676][ T6496]  kobject_init_and_add+0x125/0x190
[  279.490695][ T6496]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.490711][ T6496]  ? __raw_spin_lock_init+0x45/0x100
[  279.490728][ T6496]  ? __init_swait_queue_head+0xa9/0x150
[  279.490746][ T6496]  gfs2_sys_fs_add+0x234/0x450
[  279.490762][ T6496]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.490782][ T6496]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.490806][ T6496]  gfs2_fill_super+0x1388/0x21b0
[  279.490828][ T6496]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.490843][ T6496]  ? sb_set_blocksize+0x155/0x240
[  279.490859][ T6496]  ? setup_bdev_super+0x4c1/0x5b0
[  279.490873][ T6496]  get_tree_bdev_flags+0x40e/0x4d0
[  279.490886][ T6496]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.490897][ T6496]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.490908][ T6496]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.490931][ T6496]  gfs2_get_tree+0x51/0x1e0
[  279.490951][ T6496]  vfs_get_tree+0x92/0x2a0
[  279.490965][ T6496]  do_new_mount+0x302/0xa10
[  279.490978][ T6496]  ? apparmor_capable+0x137/0x1a0
[  279.490992][ T6496]  ? __pfx_do_new_mount+0x10/0x10
[  279.491006][ T6496]  ? ns_capable+0x8a/0xf0
[  279.491025][ T6496]  ? kmem_cache_free+0x197/0x620
[  279.491055][ T6496]  __se_sys_mount+0x313/0x410
[  279.491086][ T6496]  ? __pfx___se_sys_mount+0x10/0x10
[  279.491115][ T6496]  ? do_syscall_64+0xbe/0xf80
[  279.491136][ T6496]  ? __x64_sys_mount+0x20/0xc0
[  279.491157][ T6496]  do_syscall_64+0xfa/0xf80
[  279.491171][ T6496]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.491182][ T6496]  ? clear_bhb_loop+0x60/0xb0
[  279.491199][ T6496]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.491210][ T6496] RIP: 0033:0x7f7da1790eea
[  279.491222][ T6496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  279.491231][ T6496] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.491245][ T6496] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  279.491254][ T6496] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  279.491262][ T6496] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  279.491269][ T6496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  279.491277][ T6496] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  279.491296][ T6496]  </TASK>
[  279.801201][ T6496] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.819042][ T6496] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/16 14:07:54 executed programs: 143
[  280.200235][ T6499] loop1: detected capacity change from 0 to 32768
[  280.214481][ T6499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.223264][ T6499] CPU: 0 UID: 0 PID: 6499 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) 
[  280.223290][ T6499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.223303][ T6499] Call Trace:
[  280.223311][ T6499]  <TASK>
[  280.223320][ T6499]  dump_stack_lvl+0x189/0x250
[  280.223353][ T6499]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.223376][ T6499]  ? __pfx__printk+0x10/0x10
[  280.223409][ T6499]  ? kernfs_path_from_node+0x250/0x290
[  280.223430][ T6499]  ? kernfs_path_from_node+0x2f/0x290
[  280.223455][ T6499]  sysfs_create_dir_ns+0x259/0x280
[  280.223479][ T6499]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.223502][ T6499]  ? do_raw_spin_unlock+0x122/0x240
[  280.223533][ T6499]  kobject_add_internal+0x6ab/0xcc0
[  280.223569][ T6499]  kobject_init_and_add+0x125/0x190
[  280.223601][ T6499]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.223627][ T6499]  ? __raw_spin_lock_init+0x45/0x100
[  280.223655][ T6499]  ? __init_swait_queue_head+0xa9/0x150
[  280.223685][ T6499]  gfs2_sys_fs_add+0x234/0x450
[  280.223713][ T6499]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.223748][ T6499]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.223789][ T6499]  gfs2_fill_super+0x1388/0x21b0
[  280.223827][ T6499]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.223852][ T6499]  ? sb_set_blocksize+0x155/0x240
[  280.223878][ T6499]  ? setup_bdev_super+0x4c1/0x5b0
[  280.223904][ T6499]  get_tree_bdev_flags+0x40e/0x4d0
[  280.223922][ T6499]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.223942][ T6499]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.223959][ T6499]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.223999][ T6499]  gfs2_get_tree+0x51/0x1e0
[  280.224021][ T6499]  vfs_get_tree+0x92/0x2a0
[  280.224044][ T6499]  do_new_mount+0x302/0xa10
[  280.224066][ T6499]  ? apparmor_capable+0x137/0x1a0
[  280.224088][ T6499]  ? __pfx_do_new_mount+0x10/0x10
[  280.224111][ T6499]  ? ns_capable+0x8a/0xf0
[  280.224135][ T6499]  ? kmem_cache_free+0x197/0x620
[  280.224175][ T6499]  __se_sys_mount+0x313/0x410
[  280.224206][ T6499]  ? __pfx___se_sys_mount+0x10/0x10
[  280.224235][ T6499]  ? do_syscall_64+0xbe/0xf80
[  280.224256][ T6499]  ? __x64_sys_mount+0x20/0xc0
[  280.224281][ T6499]  do_syscall_64+0xfa/0xf80
[  280.224303][ T6499]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.224323][ T6499]  ? clear_bhb_loop+0x60/0xb0
[  280.224345][ T6499]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.224363][ T6499] RIP: 0033:0x7f7da1790eea
[  280.224380][ T6499] 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
[  280.224395][ T6499] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.224417][ T6499] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  280.224430][ T6499] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  280.224443][ T6499] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  280.224456][ T6499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  280.224468][ T6499] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  280.224501][ T6499]  </TASK>
[  280.225114][ T6499] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.549974][ T6499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.943615][ T6502] loop1: detected capacity change from 0 to 32768
[  280.969071][ T6502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.978691][ T6502] CPU: 0 UID: 0 PID: 6502 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  280.978719][ T6502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.978731][ T6502] Call Trace:
[  280.978740][ T6502]  <TASK>
[  280.978749][ T6502]  dump_stack_lvl+0x189/0x250
[  280.978783][ T6502]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.978808][ T6502]  ? __pfx__printk+0x10/0x10
[  280.978843][ T6502]  ? kernfs_path_from_node+0x250/0x290
[  280.978864][ T6502]  ? kernfs_path_from_node+0x2f/0x290
[  280.978899][ T6502]  sysfs_create_dir_ns+0x259/0x280
[  280.978925][ T6502]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.978949][ T6502]  ? do_raw_spin_unlock+0x122/0x240
[  280.978982][ T6502]  kobject_add_internal+0x6ab/0xcc0
[  280.979019][ T6502]  kobject_init_and_add+0x125/0x190
[  280.979051][ T6502]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.979078][ T6502]  ? __raw_spin_lock_init+0x45/0x100
[  280.979106][ T6502]  ? __init_swait_queue_head+0xa9/0x150
[  280.979136][ T6502]  gfs2_sys_fs_add+0x234/0x450
[  280.979165][ T6502]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.979200][ T6502]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.979243][ T6502]  gfs2_fill_super+0x1388/0x21b0
[  280.979282][ T6502]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.979308][ T6502]  ? sb_set_blocksize+0x155/0x240
[  280.979335][ T6502]  ? setup_bdev_super+0x4c1/0x5b0
[  280.979361][ T6502]  get_tree_bdev_flags+0x40e/0x4d0
[  280.979382][ T6502]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.979403][ T6502]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.979422][ T6502]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.979462][ T6502]  gfs2_get_tree+0x51/0x1e0
[  280.979486][ T6502]  vfs_get_tree+0x92/0x2a0
[  280.979510][ T6502]  do_new_mount+0x302/0xa10
[  280.979531][ T6502]  ? apparmor_capable+0x137/0x1a0
[  280.979556][ T6502]  ? __pfx_do_new_mount+0x10/0x10
[  280.979580][ T6502]  ? ns_capable+0x8a/0xf0
[  280.979604][ T6502]  ? kmem_cache_free+0x197/0x620
[  280.979638][ T6502]  __se_sys_mount+0x313/0x410
[  280.979669][ T6502]  ? __pfx___se_sys_mount+0x10/0x10
[  280.979700][ T6502]  ? do_syscall_64+0xbe/0xf80
[  280.979721][ T6502]  ? __x64_sys_mount+0x20/0xc0
[  280.979748][ T6502]  do_syscall_64+0xfa/0xf80
[  280.979771][ T6502]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.979790][ T6502]  ? clear_bhb_loop+0x60/0xb0
[  280.979814][ T6502]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.979833][ T6502] RIP: 0033:0x7f7da1790eea
[  280.979851][ T6502] 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
[  280.979968][ T6502] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.979992][ T6502] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  280.980006][ T6502] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  280.980017][ T6502] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  280.980029][ T6502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  280.980042][ T6502] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  280.980075][ T6502]  </TASK>
[  280.980104][ T6502] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.307915][ T6502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.705371][ T6505] loop1: detected capacity change from 0 to 32768
[  281.744759][ T6505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.752800][ T6505] CPU: 1 UID: 0 PID: 6505 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) 
[  281.752827][ T6505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.752840][ T6505] Call Trace:
[  281.752849][ T6505]  <TASK>
[  281.752858][ T6505]  dump_stack_lvl+0x189/0x250
[  281.752891][ T6505]  ? __pfx_dump_stack_lvl+0x10/0x10
[  281.752916][ T6505]  ? __pfx__printk+0x10/0x10
[  281.752951][ T6505]  ? kernfs_path_from_node+0x250/0x290
[  281.752981][ T6505]  ? kernfs_path_from_node+0x2f/0x290
[  281.753006][ T6505]  sysfs_create_dir_ns+0x259/0x280
[  281.753032][ T6505]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.753056][ T6505]  ? do_raw_spin_unlock+0x122/0x240
[  281.753089][ T6505]  kobject_add_internal+0x6ab/0xcc0
[  281.753126][ T6505]  kobject_init_and_add+0x125/0x190
[  281.753160][ T6505]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.753188][ T6505]  ? __raw_spin_lock_init+0x45/0x100
[  281.753215][ T6505]  ? __init_swait_queue_head+0xa9/0x150
[  281.753239][ T6505]  gfs2_sys_fs_add+0x234/0x450
[  281.753263][ T6505]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.753297][ T6505]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.753340][ T6505]  gfs2_fill_super+0x1388/0x21b0
[  281.753377][ T6505]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.753402][ T6505]  ? sb_set_blocksize+0x155/0x240
[  281.753430][ T6505]  ? setup_bdev_super+0x4c1/0x5b0
[  281.753455][ T6505]  get_tree_bdev_flags+0x40e/0x4d0
[  281.753476][ T6505]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.753496][ T6505]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.753513][ T6505]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.753554][ T6505]  gfs2_get_tree+0x51/0x1e0
[  281.753578][ T6505]  vfs_get_tree+0x92/0x2a0
[  281.753602][ T6505]  do_new_mount+0x302/0xa10
[  281.753624][ T6505]  ? apparmor_capable+0x137/0x1a0
[  281.753649][ T6505]  ? __pfx_do_new_mount+0x10/0x10
[  281.753673][ T6505]  ? ns_capable+0x8a/0xf0
[  281.753697][ T6505]  ? kmem_cache_free+0x197/0x620
[  281.753731][ T6505]  __se_sys_mount+0x313/0x410
[  281.753761][ T6505]  ? __pfx___se_sys_mount+0x10/0x10
[  281.753790][ T6505]  ? do_syscall_64+0xbe/0xf80
[  281.753812][ T6505]  ? __x64_sys_mount+0x20/0xc0
[  281.753839][ T6505]  do_syscall_64+0xfa/0xf80
[  281.753863][ T6505]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.753882][ T6505]  ? clear_bhb_loop+0x60/0xb0
[  281.753905][ T6505]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.753923][ T6505] RIP: 0033:0x7f7da1790eea
[  281.753941][ T6505] 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
[  281.753974][ T6505] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.753997][ T6505] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  281.754011][ T6505] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  281.754024][ T6505] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  281.754037][ T6505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  281.754050][ T6505] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  281.754085][ T6505]  </TASK>
[  281.754115][ T6505] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.086449][ T6505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.493000][ T6508] loop1: detected capacity change from 0 to 32768
[  282.510325][ T6508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.518235][ T6508] CPU: 0 UID: 0 PID: 6508 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) 
[  282.518263][ T6508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.518275][ T6508] Call Trace:
[  282.518283][ T6508]  <TASK>
[  282.518291][ T6508]  dump_stack_lvl+0x189/0x250
[  282.518321][ T6508]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.518344][ T6508]  ? __pfx__printk+0x10/0x10
[  282.518377][ T6508]  ? kernfs_path_from_node+0x250/0x290
[  282.518398][ T6508]  ? kernfs_path_from_node+0x2f/0x290
[  282.518423][ T6508]  sysfs_create_dir_ns+0x259/0x280
[  282.518448][ T6508]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.518470][ T6508]  ? do_raw_spin_unlock+0x122/0x240
[  282.518501][ T6508]  kobject_add_internal+0x6ab/0xcc0
[  282.518535][ T6508]  kobject_init_and_add+0x125/0x190
[  282.518567][ T6508]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.518591][ T6508]  ? __raw_spin_lock_init+0x45/0x100
[  282.518625][ T6508]  ? __init_swait_queue_head+0xa9/0x150
[  282.518651][ T6508]  gfs2_sys_fs_add+0x234/0x450
[  282.518680][ T6508]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.518713][ T6508]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.518754][ T6508]  gfs2_fill_super+0x1388/0x21b0
[  282.518786][ T6508]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.518801][ T6508]  ? sb_set_blocksize+0x155/0x240
[  282.518818][ T6508]  ? setup_bdev_super+0x4c1/0x5b0
[  282.518833][ T6508]  get_tree_bdev_flags+0x40e/0x4d0
[  282.518845][ T6508]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.518857][ T6508]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.518868][ T6508]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.518913][ T6508]  gfs2_get_tree+0x51/0x1e0
[  282.518927][ T6508]  vfs_get_tree+0x92/0x2a0
[  282.518941][ T6508]  do_new_mount+0x302/0xa10
[  282.518954][ T6508]  ? apparmor_capable+0x137/0x1a0
[  282.518968][ T6508]  ? __pfx_do_new_mount+0x10/0x10
[  282.518983][ T6508]  ? ns_capable+0x8a/0xf0
[  282.518997][ T6508]  ? kmem_cache_free+0x197/0x620
[  282.519017][ T6508]  __se_sys_mount+0x313/0x410
[  282.519036][ T6508]  ? __pfx___se_sys_mount+0x10/0x10
[  282.519056][ T6508]  ? do_syscall_64+0xbe/0xf80
[  282.519069][ T6508]  ? __x64_sys_mount+0x20/0xc0
[  282.519085][ T6508]  do_syscall_64+0xfa/0xf80
[  282.519099][ T6508]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.519110][ T6508]  ? clear_bhb_loop+0x60/0xb0
[  282.519125][ T6508]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.519138][ T6508] RIP: 0033:0x7f7da1790eea
[  282.519150][ T6508] 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
[  282.519160][ T6508] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.519174][ T6508] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  282.519183][ T6508] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  282.519190][ T6508] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  282.519198][ T6508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  282.519205][ T6508] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  282.519225][ T6508]  </TASK>
[  282.519453][ T6508] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.847360][ T6508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.260471][ T6511] loop1: detected capacity change from 0 to 32768
[  283.292144][ T6511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.299680][ T6511] CPU: 1 UID: 0 PID: 6511 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) 
[  283.299707][ T6511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.299719][ T6511] Call Trace:
[  283.299728][ T6511]  <TASK>
[  283.299738][ T6511]  dump_stack_lvl+0x189/0x250
[  283.299770][ T6511]  ? __pfx_dump_stack_lvl+0x10/0x10
[  283.299794][ T6511]  ? __pfx__printk+0x10/0x10
[  283.299827][ T6511]  ? kernfs_path_from_node+0x250/0x290
[  283.299848][ T6511]  ? kernfs_path_from_node+0x2f/0x290
[  283.299875][ T6511]  sysfs_create_dir_ns+0x259/0x280
[  283.299910][ T6511]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.299935][ T6511]  ? do_raw_spin_unlock+0x122/0x240
[  283.299968][ T6511]  kobject_add_internal+0x6ab/0xcc0
[  283.300004][ T6511]  kobject_init_and_add+0x125/0x190
[  283.300037][ T6511]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.300066][ T6511]  ? __raw_spin_lock_init+0x45/0x100
[  283.300095][ T6511]  ? __init_swait_queue_head+0xa9/0x150
[  283.300124][ T6511]  gfs2_sys_fs_add+0x234/0x450
[  283.300151][ T6511]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.300186][ T6511]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.300229][ T6511]  gfs2_fill_super+0x1388/0x21b0
[  283.300268][ T6511]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.300294][ T6511]  ? sb_set_blocksize+0x155/0x240
[  283.300321][ T6511]  ? setup_bdev_super+0x4c1/0x5b0
[  283.300347][ T6511]  get_tree_bdev_flags+0x40e/0x4d0
[  283.300368][ T6511]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.300389][ T6511]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.300407][ T6511]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.300448][ T6511]  gfs2_get_tree+0x51/0x1e0
[  283.300473][ T6511]  vfs_get_tree+0x92/0x2a0
[  283.300496][ T6511]  do_new_mount+0x302/0xa10
[  283.300516][ T6511]  ? apparmor_capable+0x137/0x1a0
[  283.300542][ T6511]  ? __pfx_do_new_mount+0x10/0x10
[  283.300565][ T6511]  ? ns_capable+0x8a/0xf0
[  283.300589][ T6511]  ? kmem_cache_free+0x197/0x620
[  283.300622][ T6511]  __se_sys_mount+0x313/0x410
[  283.300655][ T6511]  ? __pfx___se_sys_mount+0x10/0x10
[  283.300685][ T6511]  ? do_syscall_64+0xbe/0xf80
[  283.300706][ T6511]  ? __x64_sys_mount+0x20/0xc0
[  283.300733][ T6511]  do_syscall_64+0xfa/0xf80
[  283.300757][ T6511]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.300775][ T6511]  ? clear_bhb_loop+0x60/0xb0
[  283.300799][ T6511]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.300817][ T6511] RIP: 0033:0x7f7da1790eea
[  283.300836][ T6511] 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
[  283.300852][ T6511] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.300872][ T6511] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  283.300885][ T6511] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  283.300908][ T6511] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  283.300921][ T6511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  283.300933][ T6511] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  283.300968][ T6511]  </TASK>
[  283.300996][ T6511] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.627029][ T6511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.039490][ T6514] loop1: detected capacity change from 0 to 32768
[  284.065182][ T6514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.073004][ T6514] CPU: 1 UID: 0 PID: 6514 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  284.073033][ T6514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.073046][ T6514] Call Trace:
[  284.073055][ T6514]  <TASK>
[  284.073064][ T6514]  dump_stack_lvl+0x189/0x250
[  284.073097][ T6514]  ? __pfx_dump_stack_lvl+0x10/0x10
[  284.073122][ T6514]  ? __pfx__printk+0x10/0x10
[  284.073155][ T6514]  ? kernfs_path_from_node+0x250/0x290
[  284.073176][ T6514]  ? kernfs_path_from_node+0x2f/0x290
[  284.073200][ T6514]  sysfs_create_dir_ns+0x259/0x280
[  284.073225][ T6514]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.073249][ T6514]  ? do_raw_spin_unlock+0x122/0x240
[  284.073281][ T6514]  kobject_add_internal+0x6ab/0xcc0
[  284.073317][ T6514]  kobject_init_and_add+0x125/0x190
[  284.073351][ T6514]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.073379][ T6514]  ? __raw_spin_lock_init+0x45/0x100
[  284.073407][ T6514]  ? __init_swait_queue_head+0xa9/0x150
[  284.073435][ T6514]  gfs2_sys_fs_add+0x234/0x450
[  284.073464][ T6514]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.073499][ T6514]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.073543][ T6514]  gfs2_fill_super+0x1388/0x21b0
[  284.073581][ T6514]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.073608][ T6514]  ? sb_set_blocksize+0x155/0x240
[  284.073636][ T6514]  ? setup_bdev_super+0x4c1/0x5b0
[  284.073662][ T6514]  get_tree_bdev_flags+0x40e/0x4d0
[  284.073683][ T6514]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.073703][ T6514]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.073721][ T6514]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.073759][ T6514]  gfs2_get_tree+0x51/0x1e0
[  284.073782][ T6514]  vfs_get_tree+0x92/0x2a0
[  284.073806][ T6514]  do_new_mount+0x302/0xa10
[  284.073826][ T6514]  ? apparmor_capable+0x137/0x1a0
[  284.073849][ T6514]  ? __pfx_do_new_mount+0x10/0x10
[  284.073872][ T6514]  ? ns_capable+0x8a/0xf0
[  284.073896][ T6514]  ? kmem_cache_free+0x197/0x620
[  284.073930][ T6514]  __se_sys_mount+0x313/0x410
[  284.073971][ T6514]  ? __pfx___se_sys_mount+0x10/0x10
[  284.074001][ T6514]  ? do_syscall_64+0xbe/0xf80
[  284.074021][ T6514]  ? __x64_sys_mount+0x20/0xc0
[  284.074047][ T6514]  do_syscall_64+0xfa/0xf80
[  284.074071][ T6514]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.074090][ T6514]  ? clear_bhb_loop+0x60/0xb0
[  284.074113][ T6514]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.074131][ T6514] RIP: 0033:0x7f7da1790eea
[  284.074150][ T6514] 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
[  284.074166][ T6514] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.074189][ T6514] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  284.074202][ T6514] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  284.074215][ T6514] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  284.074228][ T6514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  284.074239][ T6514] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  284.074274][ T6514]  </TASK>
[  284.074309][ T6514] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.411535][ T6514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.806387][ T6517] loop1: detected capacity change from 0 to 32768
[  284.821945][ T6517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.829396][ T6517] CPU: 0 UID: 0 PID: 6517 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) 
[  284.829424][ T6517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.829437][ T6517] Call Trace:
[  284.829446][ T6517]  <TASK>
[  284.829456][ T6517]  dump_stack_lvl+0x189/0x250
[  284.829490][ T6517]  ? __pfx_dump_stack_lvl+0x10/0x10
[  284.829514][ T6517]  ? __pfx__printk+0x10/0x10
[  284.829550][ T6517]  ? kernfs_path_from_node+0x250/0x290
[  284.829571][ T6517]  ? kernfs_path_from_node+0x2f/0x290
[  284.829597][ T6517]  sysfs_create_dir_ns+0x259/0x280
[  284.829622][ T6517]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.829646][ T6517]  ? do_raw_spin_unlock+0x122/0x240
[  284.829678][ T6517]  kobject_add_internal+0x6ab/0xcc0
[  284.829713][ T6517]  kobject_init_and_add+0x125/0x190
[  284.829746][ T6517]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.829774][ T6517]  ? __raw_spin_lock_init+0x45/0x100
[  284.829803][ T6517]  ? __init_swait_queue_head+0xa9/0x150
[  284.829831][ T6517]  gfs2_sys_fs_add+0x234/0x450
[  284.829861][ T6517]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.829895][ T6517]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.830053][ T6517]  gfs2_fill_super+0x1388/0x21b0
[  284.830093][ T6517]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.830118][ T6517]  ? sb_set_blocksize+0x155/0x240
[  284.830145][ T6517]  ? setup_bdev_super+0x4c1/0x5b0
[  284.830169][ T6517]  get_tree_bdev_flags+0x40e/0x4d0
[  284.830189][ T6517]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.830209][ T6517]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.830227][ T6517]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.830266][ T6517]  gfs2_get_tree+0x51/0x1e0
[  284.830291][ T6517]  vfs_get_tree+0x92/0x2a0
[  284.830316][ T6517]  do_new_mount+0x302/0xa10
[  284.830337][ T6517]  ? apparmor_capable+0x137/0x1a0
[  284.830361][ T6517]  ? __pfx_do_new_mount+0x10/0x10
[  284.830384][ T6517]  ? ns_capable+0x8a/0xf0
[  284.830408][ T6517]  ? kmem_cache_free+0x197/0x620
[  284.830442][ T6517]  __se_sys_mount+0x313/0x410
[  284.830484][ T6517]  ? __pfx___se_sys_mount+0x10/0x10
[  284.830512][ T6517]  ? do_syscall_64+0xbe/0xf80
[  284.830534][ T6517]  ? __x64_sys_mount+0x20/0xc0
[  284.830560][ T6517]  do_syscall_64+0xfa/0xf80
[  284.830584][ T6517]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.830602][ T6517]  ? clear_bhb_loop+0x60/0xb0
[  284.830624][ T6517]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.830641][ T6517] RIP: 0033:0x7f7da1790eea
[  284.830660][ T6517] 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
[  284.830676][ T6517] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.830697][ T6517] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  284.830711][ T6517] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  284.830724][ T6517] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  284.830736][ T6517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  284.830748][ T6517] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  284.830782][ T6517]  </TASK>
[  284.830812][ T6517] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.158493][ T6517] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/16 14:08:00 executed programs: 150
[  285.556185][ T6520] loop1: detected capacity change from 0 to 32768
[  285.570924][ T6520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.579252][ T6520] CPU: 1 UID: 0 PID: 6520 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) 
[  285.579278][ T6520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.579289][ T6520] Call Trace:
[  285.579297][ T6520]  <TASK>
[  285.579304][ T6520]  dump_stack_lvl+0x189/0x250
[  285.579336][ T6520]  ? __pfx_dump_stack_lvl+0x10/0x10
[  285.579360][ T6520]  ? __pfx__printk+0x10/0x10
[  285.579394][ T6520]  ? kernfs_path_from_node+0x250/0x290
[  285.579415][ T6520]  ? kernfs_path_from_node+0x2f/0x290
[  285.579439][ T6520]  sysfs_create_dir_ns+0x259/0x280
[  285.579457][ T6520]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.579471][ T6520]  ? do_raw_spin_unlock+0x122/0x240
[  285.579491][ T6520]  kobject_add_internal+0x6ab/0xcc0
[  285.579513][ T6520]  kobject_init_and_add+0x125/0x190
[  285.579533][ T6520]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.579549][ T6520]  ? __raw_spin_lock_init+0x45/0x100
[  285.579566][ T6520]  ? __init_swait_queue_head+0xa9/0x150
[  285.579584][ T6520]  gfs2_sys_fs_add+0x234/0x450
[  285.579602][ T6520]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.579622][ T6520]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.579647][ T6520]  gfs2_fill_super+0x1388/0x21b0
[  285.579670][ T6520]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.579684][ T6520]  ? sb_set_blocksize+0x155/0x240
[  285.579701][ T6520]  ? setup_bdev_super+0x4c1/0x5b0
[  285.579716][ T6520]  get_tree_bdev_flags+0x40e/0x4d0
[  285.579728][ T6520]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.579740][ T6520]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.579751][ T6520]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.579775][ T6520]  gfs2_get_tree+0x51/0x1e0
[  285.579789][ T6520]  vfs_get_tree+0x92/0x2a0
[  285.579803][ T6520]  do_new_mount+0x302/0xa10
[  285.579817][ T6520]  ? apparmor_capable+0x137/0x1a0
[  285.579831][ T6520]  ? __pfx_do_new_mount+0x10/0x10
[  285.579845][ T6520]  ? ns_capable+0x8a/0xf0
[  285.579859][ T6520]  ? kmem_cache_free+0x197/0x620
[  285.579879][ T6520]  __se_sys_mount+0x313/0x410
[  285.579905][ T6520]  ? __pfx___se_sys_mount+0x10/0x10
[  285.579922][ T6520]  ? do_syscall_64+0xbe/0xf80
[  285.579935][ T6520]  ? __x64_sys_mount+0x20/0xc0
[  285.579951][ T6520]  do_syscall_64+0xfa/0xf80
[  285.579965][ T6520]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.579977][ T6520]  ? clear_bhb_loop+0x60/0xb0
[  285.579990][ T6520]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.580001][ T6520] RIP: 0033:0x7f7da1790eea
[  285.580013][ T6520] 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
[  285.580024][ T6520] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.580038][ T6520] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  285.580046][ T6520] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  285.580054][ T6520] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  285.580062][ T6520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  285.580069][ T6520] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  285.580089][ T6520]  </TASK>
[  285.580302][ T6520] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.907806][ T6520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.318461][ T6523] loop1: detected capacity change from 0 to 32768
[  286.333958][ T6523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.342070][ T6523] CPU: 0 UID: 0 PID: 6523 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) 
[  286.342092][ T6523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.342103][ T6523] Call Trace:
[  286.342110][ T6523]  <TASK>
[  286.342118][ T6523]  dump_stack_lvl+0x189/0x250
[  286.342151][ T6523]  ? __pfx_dump_stack_lvl+0x10/0x10
[  286.342174][ T6523]  ? __pfx__printk+0x10/0x10
[  286.342217][ T6523]  ? kernfs_path_from_node+0x250/0x290
[  286.342238][ T6523]  ? kernfs_path_from_node+0x2f/0x290
[  286.342263][ T6523]  sysfs_create_dir_ns+0x259/0x280
[  286.342288][ T6523]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.342312][ T6523]  ? do_raw_spin_unlock+0x122/0x240
[  286.342345][ T6523]  kobject_add_internal+0x6ab/0xcc0
[  286.342380][ T6523]  kobject_init_and_add+0x125/0x190
[  286.342413][ T6523]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.342441][ T6523]  ? __raw_spin_lock_init+0x45/0x100
[  286.342469][ T6523]  ? __init_swait_queue_head+0xa9/0x150
[  286.342501][ T6523]  gfs2_sys_fs_add+0x234/0x450
[  286.342531][ T6523]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.342565][ T6523]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.342608][ T6523]  gfs2_fill_super+0x1388/0x21b0
[  286.342646][ T6523]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.342670][ T6523]  ? sb_set_blocksize+0x155/0x240
[  286.342695][ T6523]  ? setup_bdev_super+0x4c1/0x5b0
[  286.342719][ T6523]  get_tree_bdev_flags+0x40e/0x4d0
[  286.342739][ T6523]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.342758][ T6523]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.342776][ T6523]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.342817][ T6523]  gfs2_get_tree+0x51/0x1e0
[  286.342841][ T6523]  vfs_get_tree+0x92/0x2a0
[  286.342864][ T6523]  do_new_mount+0x302/0xa10
[  286.342886][ T6523]  ? apparmor_capable+0x137/0x1a0
[  286.342911][ T6523]  ? __pfx_do_new_mount+0x10/0x10
[  286.342935][ T6523]  ? ns_capable+0x8a/0xf0
[  286.342958][ T6523]  ? kmem_cache_free+0x197/0x620
[  286.342985][ T6523]  __se_sys_mount+0x313/0x410
[  286.343010][ T6523]  ? __pfx___se_sys_mount+0x10/0x10
[  286.343038][ T6523]  ? do_syscall_64+0xbe/0xf80
[  286.343059][ T6523]  ? __x64_sys_mount+0x20/0xc0
[  286.343086][ T6523]  do_syscall_64+0xfa/0xf80
[  286.343110][ T6523]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.343128][ T6523]  ? clear_bhb_loop+0x60/0xb0
[  286.343152][ T6523]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.343170][ T6523] RIP: 0033:0x7f7da1790eea
[  286.343188][ T6523] 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
[  286.343214][ T6523] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.343237][ T6523] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  286.343251][ T6523] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  286.343264][ T6523] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  286.343276][ T6523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  286.343288][ T6523] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  286.343322][ T6523]  </TASK>
[  286.343350][ T6523] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.674064][ T6523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.094231][ T6526] loop1: detected capacity change from 0 to 32768
[  287.129123][ T6526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.137593][ T6526] CPU: 0 UID: 0 PID: 6526 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) 
[  287.137622][ T6526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.137634][ T6526] Call Trace:
[  287.137643][ T6526]  <TASK>
[  287.137652][ T6526]  dump_stack_lvl+0x189/0x250
[  287.137687][ T6526]  ? __pfx_dump_stack_lvl+0x10/0x10
[  287.137712][ T6526]  ? __pfx__printk+0x10/0x10
[  287.137746][ T6526]  ? kernfs_path_from_node+0x250/0x290
[  287.137767][ T6526]  ? kernfs_path_from_node+0x2f/0x290
[  287.137792][ T6526]  sysfs_create_dir_ns+0x259/0x280
[  287.137816][ T6526]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.137840][ T6526]  ? do_raw_spin_unlock+0x122/0x240
[  287.137871][ T6526]  kobject_add_internal+0x6ab/0xcc0
[  287.137906][ T6526]  kobject_init_and_add+0x125/0x190
[  287.137938][ T6526]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.137965][ T6526]  ? __raw_spin_lock_init+0x45/0x100
[  287.137995][ T6526]  ? __init_swait_queue_head+0xa9/0x150
[  287.138026][ T6526]  gfs2_sys_fs_add+0x234/0x450
[  287.138055][ T6526]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.138089][ T6526]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.138142][ T6526]  gfs2_fill_super+0x1388/0x21b0
[  287.138182][ T6526]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.138208][ T6526]  ? sb_set_blocksize+0x155/0x240
[  287.138237][ T6526]  ? setup_bdev_super+0x4c1/0x5b0
[  287.138263][ T6526]  get_tree_bdev_flags+0x40e/0x4d0
[  287.138284][ T6526]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.138305][ T6526]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.138324][ T6526]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.138364][ T6526]  gfs2_get_tree+0x51/0x1e0
[  287.138386][ T6526]  vfs_get_tree+0x92/0x2a0
[  287.138410][ T6526]  do_new_mount+0x302/0xa10
[  287.138439][ T6526]  ? apparmor_capable+0x137/0x1a0
[  287.138464][ T6526]  ? __pfx_do_new_mount+0x10/0x10
[  287.138488][ T6526]  ? ns_capable+0x8a/0xf0
[  287.138512][ T6526]  ? kmem_cache_free+0x197/0x620
[  287.138546][ T6526]  __se_sys_mount+0x313/0x410
[  287.138580][ T6526]  ? __pfx___se_sys_mount+0x10/0x10
[  287.138610][ T6526]  ? do_syscall_64+0xbe/0xf80
[  287.138633][ T6526]  ? __x64_sys_mount+0x20/0xc0
[  287.138660][ T6526]  do_syscall_64+0xfa/0xf80
[  287.138685][ T6526]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.138704][ T6526]  ? clear_bhb_loop+0x60/0xb0
[  287.138729][ T6526]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.138748][ T6526] RIP: 0033:0x7f7da1790eea
[  287.138767][ T6526] 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
[  287.138783][ T6526] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.138805][ T6526] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  287.138819][ T6526] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  287.138832][ T6526] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  287.138844][ T6526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  287.138856][ T6526] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  287.138888][ T6526]  </TASK>
[  287.139010][ T6526] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.467745][ T6526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.875997][ T6529] loop1: detected capacity change from 0 to 32768
[  287.897768][ T6529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.906111][ T6529] CPU: 1 UID: 0 PID: 6529 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) 
[  287.906138][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.906150][ T6529] Call Trace:
[  287.906158][ T6529]  <TASK>
[  287.906167][ T6529]  dump_stack_lvl+0x189/0x250
[  287.906197][ T6529]  ? __pfx_dump_stack_lvl+0x10/0x10
[  287.906216][ T6529]  ? __pfx__printk+0x10/0x10
[  287.906249][ T6529]  ? kernfs_path_from_node+0x250/0x290
[  287.906270][ T6529]  ? kernfs_path_from_node+0x2f/0x290
[  287.906297][ T6529]  sysfs_create_dir_ns+0x259/0x280
[  287.906320][ T6529]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.906343][ T6529]  ? do_raw_spin_unlock+0x122/0x240
[  287.906375][ T6529]  kobject_add_internal+0x6ab/0xcc0
[  287.906412][ T6529]  kobject_init_and_add+0x125/0x190
[  287.906444][ T6529]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.906472][ T6529]  ? __raw_spin_lock_init+0x45/0x100
[  287.906500][ T6529]  ? __init_swait_queue_head+0xa9/0x150
[  287.906530][ T6529]  gfs2_sys_fs_add+0x234/0x450
[  287.906558][ T6529]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.906592][ T6529]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.906635][ T6529]  gfs2_fill_super+0x1388/0x21b0
[  287.906672][ T6529]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.906699][ T6529]  ? sb_set_blocksize+0x155/0x240
[  287.906727][ T6529]  ? setup_bdev_super+0x4c1/0x5b0
[  287.906753][ T6529]  get_tree_bdev_flags+0x40e/0x4d0
[  287.906774][ T6529]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.906793][ T6529]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.906812][ T6529]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.906852][ T6529]  gfs2_get_tree+0x51/0x1e0
[  287.906876][ T6529]  vfs_get_tree+0x92/0x2a0
[  287.906900][ T6529]  do_new_mount+0x302/0xa10
[  287.906923][ T6529]  ? apparmor_capable+0x137/0x1a0
[  287.906957][ T6529]  ? __pfx_do_new_mount+0x10/0x10
[  287.906981][ T6529]  ? ns_capable+0x8a/0xf0
[  287.907005][ T6529]  ? kmem_cache_free+0x197/0x620
[  287.907039][ T6529]  __se_sys_mount+0x313/0x410
[  287.907070][ T6529]  ? __pfx___se_sys_mount+0x10/0x10
[  287.907100][ T6529]  ? do_syscall_64+0xbe/0xf80
[  287.907122][ T6529]  ? __x64_sys_mount+0x20/0xc0
[  287.907148][ T6529]  do_syscall_64+0xfa/0xf80
[  287.907172][ T6529]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.907190][ T6529]  ? clear_bhb_loop+0x60/0xb0
[  287.907214][ T6529]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.907230][ T6529] RIP: 0033:0x7f7da1790eea
[  287.907249][ T6529] 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
[  287.907265][ T6529] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.907287][ T6529] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  287.907300][ T6529] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  287.907314][ T6529] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  287.907338][ T6529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  287.907351][ T6529] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  287.907386][ T6529]  </TASK>
[  287.907415][ T6529] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.249038][ T6529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.632052][ T6532] loop1: detected capacity change from 0 to 32768
[  288.658251][ T6532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.667711][ T6532] CPU: 1 UID: 0 PID: 6532 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) 
[  288.667741][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.667753][ T6532] Call Trace:
[  288.667762][ T6532]  <TASK>
[  288.667771][ T6532]  dump_stack_lvl+0x189/0x250
[  288.667805][ T6532]  ? __pfx_dump_stack_lvl+0x10/0x10
[  288.667829][ T6532]  ? __pfx__printk+0x10/0x10
[  288.667864][ T6532]  ? kernfs_path_from_node+0x250/0x290
[  288.667886][ T6532]  ? kernfs_path_from_node+0x2f/0x290
[  288.667911][ T6532]  sysfs_create_dir_ns+0x259/0x280
[  288.667946][ T6532]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.667969][ T6532]  ? do_raw_spin_unlock+0x122/0x240
[  288.668000][ T6532]  kobject_add_internal+0x6ab/0xcc0
[  288.668038][ T6532]  kobject_init_and_add+0x125/0x190
[  288.668061][ T6532]  ? rcu_is_watching+0x15/0xb0
[  288.668092][ T6532]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.668119][ T6532]  ? __raw_spin_lock_init+0x45/0x100
[  288.668147][ T6532]  ? __init_swait_queue_head+0xa9/0x150
[  288.668177][ T6532]  gfs2_sys_fs_add+0x234/0x450
[  288.668205][ T6532]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.668240][ T6532]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.668282][ T6532]  gfs2_fill_super+0x1388/0x21b0
[  288.668317][ T6532]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.668334][ T6532]  ? sb_set_blocksize+0x155/0x240
[  288.668351][ T6532]  ? setup_bdev_super+0x4c1/0x5b0
[  288.668365][ T6532]  get_tree_bdev_flags+0x40e/0x4d0
[  288.668378][ T6532]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.668390][ T6532]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.668400][ T6532]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.668424][ T6532]  gfs2_get_tree+0x51/0x1e0
[  288.668438][ T6532]  vfs_get_tree+0x92/0x2a0
[  288.668452][ T6532]  do_new_mount+0x302/0xa10
[  288.668465][ T6532]  ? apparmor_capable+0x137/0x1a0
[  288.668479][ T6532]  ? __pfx_do_new_mount+0x10/0x10
[  288.668494][ T6532]  ? ns_capable+0x8a/0xf0
[  288.668508][ T6532]  ? kmem_cache_free+0x197/0x620
[  288.668527][ T6532]  __se_sys_mount+0x313/0x410
[  288.668546][ T6532]  ? __pfx___se_sys_mount+0x10/0x10
[  288.668563][ T6532]  ? do_syscall_64+0xbe/0xf80
[  288.668576][ T6532]  ? __x64_sys_mount+0x20/0xc0
[  288.668592][ T6532]  do_syscall_64+0xfa/0xf80
[  288.668606][ T6532]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.668617][ T6532]  ? clear_bhb_loop+0x60/0xb0
[  288.668630][ T6532]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.668641][ T6532] RIP: 0033:0x7f7da1790eea
[  288.668654][ T6532] 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
[  288.668663][ T6532] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.668677][ T6532] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  288.668686][ T6532] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  288.668694][ T6532] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  288.668701][ T6532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  288.668708][ T6532] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  288.668728][ T6532]  </TASK>
[  288.668878][ T6532] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.001665][ T6532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.403569][ T6535] loop1: detected capacity change from 0 to 32768
[  289.422263][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.429952][ T6535] CPU: 0 UID: 0 PID: 6535 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) 
[  289.429970][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.429978][ T6535] Call Trace:
[  289.429983][ T6535]  <TASK>
[  289.429989][ T6535]  dump_stack_lvl+0x189/0x250
[  289.430017][ T6535]  ? __pfx_dump_stack_lvl+0x10/0x10
[  289.430032][ T6535]  ? __pfx__printk+0x10/0x10
[  289.430052][ T6535]  ? kernfs_path_from_node+0x250/0x290
[  289.430065][ T6535]  ? kernfs_path_from_node+0x2f/0x290
[  289.430080][ T6535]  sysfs_create_dir_ns+0x259/0x280
[  289.430094][ T6535]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.430108][ T6535]  ? do_raw_spin_unlock+0x122/0x240
[  289.430127][ T6535]  kobject_add_internal+0x6ab/0xcc0
[  289.430149][ T6535]  kobject_init_and_add+0x125/0x190
[  289.430168][ T6535]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.430184][ T6535]  ? __raw_spin_lock_init+0x45/0x100
[  289.430201][ T6535]  ? __init_swait_queue_head+0xa9/0x150
[  289.430219][ T6535]  gfs2_sys_fs_add+0x234/0x450
[  289.430236][ T6535]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.430258][ T6535]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.430283][ T6535]  gfs2_fill_super+0x1388/0x21b0
[  289.430304][ T6535]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.430319][ T6535]  ? sb_set_blocksize+0x155/0x240
[  289.430337][ T6535]  ? setup_bdev_super+0x4c1/0x5b0
[  289.430354][ T6535]  get_tree_bdev_flags+0x40e/0x4d0
[  289.430367][ T6535]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.430379][ T6535]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.430389][ T6535]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.430413][ T6535]  gfs2_get_tree+0x51/0x1e0
[  289.430426][ T6535]  vfs_get_tree+0x92/0x2a0
[  289.430440][ T6535]  do_new_mount+0x302/0xa10
[  289.430454][ T6535]  ? apparmor_capable+0x137/0x1a0
[  289.430468][ T6535]  ? __pfx_do_new_mount+0x10/0x10
[  289.430482][ T6535]  ? ns_capable+0x8a/0xf0
[  289.430496][ T6535]  ? kmem_cache_free+0x197/0x620
[  289.430515][ T6535]  __se_sys_mount+0x313/0x410
[  289.430534][ T6535]  ? __pfx___se_sys_mount+0x10/0x10
[  289.430551][ T6535]  ? do_syscall_64+0xbe/0xf80
[  289.430564][ T6535]  ? __x64_sys_mount+0x20/0xc0
[  289.430579][ T6535]  do_syscall_64+0xfa/0xf80
[  289.430593][ T6535]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.430604][ T6535]  ? clear_bhb_loop+0x60/0xb0
[  289.430618][ T6535]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.430629][ T6535] RIP: 0033:0x7f7da1790eea
[  289.430641][ T6535] 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
[  289.430651][ T6535] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.430665][ T6535] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  289.430673][ T6535] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  289.430681][ T6535] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  289.430689][ T6535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  289.430696][ T6535] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  289.430715][ T6535]  </TASK>
[  289.430733][ T6535] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.758159][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.158636][ T6538] loop1: detected capacity change from 0 to 32768
[  290.183895][ T6538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.191935][ T6538] CPU: 0 UID: 0 PID: 6538 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  290.191962][ T6538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.191974][ T6538] Call Trace:
[  290.191992][ T6538]  <TASK>
[  290.192001][ T6538]  dump_stack_lvl+0x189/0x250
[  290.192034][ T6538]  ? __pfx_dump_stack_lvl+0x10/0x10
[  290.192056][ T6538]  ? __pfx__printk+0x10/0x10
[  290.192091][ T6538]  ? kernfs_path_from_node+0x250/0x290
[  290.192110][ T6538]  ? kernfs_path_from_node+0x2f/0x290
[  290.192136][ T6538]  sysfs_create_dir_ns+0x259/0x280
[  290.192159][ T6538]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.192181][ T6538]  ? do_raw_spin_unlock+0x122/0x240
[  290.192212][ T6538]  kobject_add_internal+0x6ab/0xcc0
[  290.192248][ T6538]  kobject_init_and_add+0x125/0x190
[  290.192280][ T6538]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.192306][ T6538]  ? __raw_spin_lock_init+0x45/0x100
[  290.192333][ T6538]  ? __init_swait_queue_head+0xa9/0x150
[  290.192362][ T6538]  gfs2_sys_fs_add+0x234/0x450
[  290.192390][ T6538]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.192424][ T6538]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.192467][ T6538]  gfs2_fill_super+0x1388/0x21b0
[  290.192505][ T6538]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.192530][ T6538]  ? sb_set_blocksize+0x155/0x240
[  290.192556][ T6538]  ? setup_bdev_super+0x4c1/0x5b0
[  290.192580][ T6538]  get_tree_bdev_flags+0x40e/0x4d0
[  290.192601][ T6538]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.192620][ T6538]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.192638][ T6538]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.192677][ T6538]  gfs2_get_tree+0x51/0x1e0
[  290.192701][ T6538]  vfs_get_tree+0x92/0x2a0
[  290.192730][ T6538]  do_new_mount+0x302/0xa10
[  290.192750][ T6538]  ? apparmor_capable+0x137/0x1a0
[  290.192773][ T6538]  ? __pfx_do_new_mount+0x10/0x10
[  290.192796][ T6538]  ? ns_capable+0x8a/0xf0
[  290.192820][ T6538]  ? kmem_cache_free+0x197/0x620
[  290.192852][ T6538]  __se_sys_mount+0x313/0x410
[  290.192883][ T6538]  ? __pfx___se_sys_mount+0x10/0x10
[  290.192910][ T6538]  ? do_syscall_64+0xbe/0xf80
[  290.192930][ T6538]  ? __x64_sys_mount+0x20/0xc0
[  290.192957][ T6538]  do_syscall_64+0xfa/0xf80
[  290.192986][ T6538]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.193003][ T6538]  ? clear_bhb_loop+0x60/0xb0
[  290.193026][ T6538]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.193043][ T6538] RIP: 0033:0x7f7da1790eea
[  290.193061][ T6538] 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
[  290.193077][ T6538] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.193097][ T6538] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  290.193111][ T6538] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  290.193125][ T6538] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  290.193136][ T6538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  290.193149][ T6538] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  290.193183][ T6538]  </TASK>
[  290.193292][ T6538] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.519945][ T6538] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/16 14:08:05 executed programs: 157
[  290.915288][ T6541] loop1: detected capacity change from 0 to 32768
[  290.932981][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.940605][ T6541] CPU: 0 UID: 0 PID: 6541 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  290.940633][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.940644][ T6541] Call Trace:
[  290.940653][ T6541]  <TASK>
[  290.940662][ T6541]  dump_stack_lvl+0x189/0x250
[  290.940696][ T6541]  ? __pfx_dump_stack_lvl+0x10/0x10
[  290.940719][ T6541]  ? __pfx__printk+0x10/0x10
[  290.940752][ T6541]  ? kernfs_path_from_node+0x250/0x290
[  290.940773][ T6541]  ? kernfs_path_from_node+0x2f/0x290
[  290.940799][ T6541]  sysfs_create_dir_ns+0x259/0x280
[  290.940824][ T6541]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.940847][ T6541]  ? do_raw_spin_unlock+0x122/0x240
[  290.940879][ T6541]  kobject_add_internal+0x6ab/0xcc0
[  290.940917][ T6541]  kobject_init_and_add+0x125/0x190
[  290.940949][ T6541]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.940986][ T6541]  ? __raw_spin_lock_init+0x45/0x100
[  290.941019][ T6541]  ? __init_swait_queue_head+0xa9/0x150
[  290.941047][ T6541]  gfs2_sys_fs_add+0x234/0x450
[  290.941075][ T6541]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.941111][ T6541]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.941153][ T6541]  gfs2_fill_super+0x1388/0x21b0
[  290.941194][ T6541]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.941219][ T6541]  ? sb_set_blocksize+0x155/0x240
[  290.941246][ T6541]  ? setup_bdev_super+0x4c1/0x5b0
[  290.941272][ T6541]  get_tree_bdev_flags+0x40e/0x4d0
[  290.941293][ T6541]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.941312][ T6541]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.941331][ T6541]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.941371][ T6541]  gfs2_get_tree+0x51/0x1e0
[  290.941396][ T6541]  vfs_get_tree+0x92/0x2a0
[  290.941420][ T6541]  do_new_mount+0x302/0xa10
[  290.941440][ T6541]  ? apparmor_capable+0x137/0x1a0
[  290.941464][ T6541]  ? __pfx_do_new_mount+0x10/0x10
[  290.941487][ T6541]  ? ns_capable+0x8a/0xf0
[  290.941510][ T6541]  ? kmem_cache_free+0x197/0x620
[  290.941543][ T6541]  __se_sys_mount+0x313/0x410
[  290.941575][ T6541]  ? __pfx___se_sys_mount+0x10/0x10
[  290.941605][ T6541]  ? do_syscall_64+0xbe/0xf80
[  290.941625][ T6541]  ? __x64_sys_mount+0x20/0xc0
[  290.941652][ T6541]  do_syscall_64+0xfa/0xf80
[  290.941676][ T6541]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.941695][ T6541]  ? clear_bhb_loop+0x60/0xb0
[  290.941717][ T6541]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.941736][ T6541] RIP: 0033:0x7f7da1790eea
[  290.941781][ T6541] 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
[  290.941795][ T6541] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.941817][ T6541] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  290.941829][ T6541] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  290.941841][ T6541] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  290.941853][ T6541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  290.941865][ T6541] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  290.941895][ T6541]  </TASK>
[  291.254314][ T6541] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.269472][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.674471][ T6544] loop1: detected capacity change from 0 to 32768
[  291.713157][ T6544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.721009][ T6544] CPU: 0 UID: 0 PID: 6544 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  291.721034][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  291.721041][ T6544] Call Trace:
[  291.721049][ T6544]  <TASK>
[  291.721065][ T6544]  dump_stack_lvl+0x189/0x250
[  291.721096][ T6544]  ? __pfx_dump_stack_lvl+0x10/0x10
[  291.721119][ T6544]  ? __pfx__printk+0x10/0x10
[  291.721150][ T6544]  ? kernfs_path_from_node+0x250/0x290
[  291.721169][ T6544]  ? kernfs_path_from_node+0x2f/0x290
[  291.721193][ T6544]  sysfs_create_dir_ns+0x259/0x280
[  291.721216][ T6544]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.721238][ T6544]  ? do_raw_spin_unlock+0x122/0x240
[  291.721268][ T6544]  kobject_add_internal+0x6ab/0xcc0
[  291.721301][ T6544]  kobject_init_and_add+0x125/0x190
[  291.721332][ T6544]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.721359][ T6544]  ? __raw_spin_lock_init+0x45/0x100
[  291.721385][ T6544]  ? __init_swait_queue_head+0xa9/0x150
[  291.721416][ T6544]  gfs2_sys_fs_add+0x234/0x450
[  291.721444][ T6544]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.721475][ T6544]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.721516][ T6544]  gfs2_fill_super+0x1388/0x21b0
[  291.721554][ T6544]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.721580][ T6544]  ? sb_set_blocksize+0x155/0x240
[  291.721609][ T6544]  ? setup_bdev_super+0x4c1/0x5b0
[  291.721634][ T6544]  get_tree_bdev_flags+0x40e/0x4d0
[  291.721655][ T6544]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.721674][ T6544]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.721693][ T6544]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.721735][ T6544]  gfs2_get_tree+0x51/0x1e0
[  291.721784][ T6544]  vfs_get_tree+0x92/0x2a0
[  291.721809][ T6544]  do_new_mount+0x302/0xa10
[  291.721831][ T6544]  ? apparmor_capable+0x137/0x1a0
[  291.721856][ T6544]  ? __pfx_do_new_mount+0x10/0x10
[  291.721881][ T6544]  ? ns_capable+0x8a/0xf0
[  291.721906][ T6544]  ? kmem_cache_free+0x197/0x620
[  291.721950][ T6544]  __se_sys_mount+0x313/0x410
[  291.721982][ T6544]  ? __pfx___se_sys_mount+0x10/0x10
[  291.722011][ T6544]  ? do_syscall_64+0xbe/0xf80
[  291.722032][ T6544]  ? __x64_sys_mount+0x20/0xc0
[  291.722059][ T6544]  do_syscall_64+0xfa/0xf80
[  291.722083][ T6544]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.722103][ T6544]  ? clear_bhb_loop+0x60/0xb0
[  291.722128][ T6544]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.722147][ T6544] RIP: 0033:0x7f7da1790eea
[  291.722172][ T6544] 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
[  291.722186][ T6544] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.722206][ T6544] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  291.722220][ T6544] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  291.722233][ T6544] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  291.722246][ T6544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  291.722258][ T6544] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  291.722293][ T6544]  </TASK>
[  292.036677][ T6544] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.060318][ T6544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.452920][ T6547] loop1: detected capacity change from 0 to 32768
[  292.482123][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.491622][ T6547] CPU: 0 UID: 0 PID: 6547 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  292.491651][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.491663][ T6547] Call Trace:
[  292.491671][ T6547]  <TASK>
[  292.491680][ T6547]  dump_stack_lvl+0x189/0x250
[  292.491713][ T6547]  ? __pfx_dump_stack_lvl+0x10/0x10
[  292.491735][ T6547]  ? __pfx__printk+0x10/0x10
[  292.491769][ T6547]  ? kernfs_path_from_node+0x250/0x290
[  292.491789][ T6547]  ? kernfs_path_from_node+0x2f/0x290
[  292.491813][ T6547]  sysfs_create_dir_ns+0x259/0x280
[  292.491838][ T6547]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.491862][ T6547]  ? do_raw_spin_unlock+0x122/0x240
[  292.491894][ T6547]  kobject_add_internal+0x6ab/0xcc0
[  292.491937][ T6547]  kobject_init_and_add+0x125/0x190
[  292.491970][ T6547]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.491997][ T6547]  ? __raw_spin_lock_init+0x45/0x100
[  292.492024][ T6547]  ? __init_swait_queue_head+0xa9/0x150
[  292.492054][ T6547]  gfs2_sys_fs_add+0x234/0x450
[  292.492083][ T6547]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.492117][ T6547]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.492158][ T6547]  gfs2_fill_super+0x1388/0x21b0
[  292.492203][ T6547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.492228][ T6547]  ? sb_set_blocksize+0x155/0x240
[  292.492254][ T6547]  ? setup_bdev_super+0x4c1/0x5b0
[  292.492279][ T6547]  get_tree_bdev_flags+0x40e/0x4d0
[  292.492300][ T6547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.492319][ T6547]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.492337][ T6547]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.492378][ T6547]  gfs2_get_tree+0x51/0x1e0
[  292.492402][ T6547]  vfs_get_tree+0x92/0x2a0
[  292.492425][ T6547]  do_new_mount+0x302/0xa10
[  292.492447][ T6547]  ? apparmor_capable+0x137/0x1a0
[  292.492472][ T6547]  ? __pfx_do_new_mount+0x10/0x10
[  292.492496][ T6547]  ? ns_capable+0x8a/0xf0
[  292.492519][ T6547]  ? kmem_cache_free+0x197/0x620
[  292.492554][ T6547]  __se_sys_mount+0x313/0x410
[  292.492586][ T6547]  ? __pfx___se_sys_mount+0x10/0x10
[  292.492615][ T6547]  ? do_syscall_64+0xbe/0xf80
[  292.492634][ T6547]  ? __x64_sys_mount+0x20/0xc0
[  292.492659][ T6547]  do_syscall_64+0xfa/0xf80
[  292.492683][ T6547]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.492701][ T6547]  ? clear_bhb_loop+0x60/0xb0
[  292.492724][ T6547]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.492743][ T6547] RIP: 0033:0x7f7da1790eea
[  292.492760][ T6547] 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
[  292.492777][ T6547] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.492799][ T6547] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  292.492814][ T6547] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  292.492826][ T6547] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  292.492838][ T6547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  292.492850][ T6547] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  292.492885][ T6547]  </TASK>
[  292.492913][ T6547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.817382][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.218408][ T6550] loop1: detected capacity change from 0 to 32768
[  293.232936][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.240819][ T6550] CPU: 1 UID: 0 PID: 6550 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  293.240838][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  293.240846][ T6550] Call Trace:
[  293.240854][ T6550]  <TASK>
[  293.240860][ T6550]  dump_stack_lvl+0x189/0x250
[  293.240882][ T6550]  ? __pfx_dump_stack_lvl+0x10/0x10
[  293.240896][ T6550]  ? __pfx__printk+0x10/0x10
[  293.240916][ T6550]  ? kernfs_path_from_node+0x250/0x290
[  293.240958][ T6550]  ? kernfs_path_from_node+0x2f/0x290
[  293.240973][ T6550]  sysfs_create_dir_ns+0x259/0x280
[  293.240988][ T6550]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.241002][ T6550]  ? do_raw_spin_unlock+0x122/0x240
[  293.241033][ T6550]  kobject_add_internal+0x6ab/0xcc0
[  293.241065][ T6550]  kobject_init_and_add+0x125/0x190
[  293.241096][ T6550]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.241121][ T6550]  ? __raw_spin_lock_init+0x45/0x100
[  293.241146][ T6550]  ? __init_swait_queue_head+0xa9/0x150
[  293.241173][ T6550]  gfs2_sys_fs_add+0x234/0x450
[  293.241199][ T6550]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.241231][ T6550]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.241272][ T6550]  gfs2_fill_super+0x1388/0x21b0
[  293.241311][ T6550]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.241333][ T6550]  ? sb_set_blocksize+0x155/0x240
[  293.241356][ T6550]  ? setup_bdev_super+0x4c1/0x5b0
[  293.241379][ T6550]  get_tree_bdev_flags+0x40e/0x4d0
[  293.241399][ T6550]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.241419][ T6550]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.241436][ T6550]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.241475][ T6550]  gfs2_get_tree+0x51/0x1e0
[  293.241499][ T6550]  vfs_get_tree+0x92/0x2a0
[  293.241520][ T6550]  do_new_mount+0x302/0xa10
[  293.241541][ T6550]  ? apparmor_capable+0x137/0x1a0
[  293.241564][ T6550]  ? __pfx_do_new_mount+0x10/0x10
[  293.241586][ T6550]  ? ns_capable+0x8a/0xf0
[  293.241607][ T6550]  ? kmem_cache_free+0x197/0x620
[  293.241639][ T6550]  __se_sys_mount+0x313/0x410
[  293.241670][ T6550]  ? __pfx___se_sys_mount+0x10/0x10
[  293.241697][ T6550]  ? do_syscall_64+0xbe/0xf80
[  293.241716][ T6550]  ? __x64_sys_mount+0x20/0xc0
[  293.241739][ T6550]  do_syscall_64+0xfa/0xf80
[  293.241761][ T6550]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.241797][ T6550]  ? clear_bhb_loop+0x60/0xb0
[  293.241819][ T6550]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.241836][ T6550] RIP: 0033:0x7f7da1790eea
[  293.241854][ T6550] 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
[  293.241870][ T6550] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.241891][ T6550] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  293.241905][ T6550] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  293.241919][ T6550] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  293.241940][ T6550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  293.241952][ T6550] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  293.241985][ T6550]  </TASK>
[  293.572097][ T6550] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.587012][ T6550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.960646][ T6553] loop1: detected capacity change from 0 to 32768
[  293.986896][ T6553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.995750][ T6553] CPU: 1 UID: 0 PID: 6553 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  293.995778][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  293.995790][ T6553] Call Trace:
[  293.995798][ T6553]  <TASK>
[  293.995808][ T6553]  dump_stack_lvl+0x189/0x250
[  293.995842][ T6553]  ? __pfx_dump_stack_lvl+0x10/0x10
[  293.995865][ T6553]  ? __pfx__printk+0x10/0x10
[  293.995898][ T6553]  ? kernfs_path_from_node+0x250/0x290
[  293.995919][ T6553]  ? kernfs_path_from_node+0x2f/0x290
[  293.995943][ T6553]  sysfs_create_dir_ns+0x259/0x280
[  293.995969][ T6553]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.995993][ T6553]  ? do_raw_spin_unlock+0x122/0x240
[  293.996024][ T6553]  kobject_add_internal+0x6ab/0xcc0
[  293.996062][ T6553]  kobject_init_and_add+0x125/0x190
[  293.996094][ T6553]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.996121][ T6553]  ? __raw_spin_lock_init+0x45/0x100
[  293.996149][ T6553]  ? __init_swait_queue_head+0xa9/0x150
[  293.996189][ T6553]  gfs2_sys_fs_add+0x234/0x450
[  293.996216][ T6553]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.996252][ T6553]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.996294][ T6553]  gfs2_fill_super+0x1388/0x21b0
[  293.996333][ T6553]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.996359][ T6553]  ? sb_set_blocksize+0x155/0x240
[  293.996388][ T6553]  ? setup_bdev_super+0x4c1/0x5b0
[  293.996412][ T6553]  get_tree_bdev_flags+0x40e/0x4d0
[  293.996452][ T6553]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.996472][ T6553]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.996490][ T6553]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.996530][ T6553]  gfs2_get_tree+0x51/0x1e0
[  293.996555][ T6553]  vfs_get_tree+0x92/0x2a0
[  293.996578][ T6553]  do_new_mount+0x302/0xa10
[  293.996598][ T6553]  ? apparmor_capable+0x137/0x1a0
[  293.996624][ T6553]  ? __pfx_do_new_mount+0x10/0x10
[  293.996648][ T6553]  ? ns_capable+0x8a/0xf0
[  293.996671][ T6553]  ? kmem_cache_free+0x197/0x620
[  293.996705][ T6553]  __se_sys_mount+0x313/0x410
[  293.996737][ T6553]  ? __pfx___se_sys_mount+0x10/0x10
[  293.996766][ T6553]  ? do_syscall_64+0xbe/0xf80
[  293.996786][ T6553]  ? __x64_sys_mount+0x20/0xc0
[  293.996813][ T6553]  do_syscall_64+0xfa/0xf80
[  293.996837][ T6553]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.996855][ T6553]  ? clear_bhb_loop+0x60/0xb0
[  293.996879][ T6553]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.996897][ T6553] RIP: 0033:0x7f7da1790eea
[  293.996916][ T6553] 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
[  293.996931][ T6553] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.996953][ T6553] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  293.996966][ T6553] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  293.996978][ T6553] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  293.996991][ T6553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  293.997003][ T6553] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  293.997038][ T6553]  </TASK>
[  293.997067][ T6553] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.241243][ T5147] Bluetooth: hci1: command 0x0406 tx timeout
[  294.272083][ T6553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.724357][ T6556] loop1: detected capacity change from 0 to 32768
[  294.747121][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.754944][ T6556] CPU: 0 UID: 0 PID: 6556 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  294.754971][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  294.754983][ T6556] Call Trace:
[  294.754997][ T6556]  <TASK>
[  294.755006][ T6556]  dump_stack_lvl+0x189/0x250
[  294.755040][ T6556]  ? __pfx_dump_stack_lvl+0x10/0x10
[  294.755063][ T6556]  ? __pfx__printk+0x10/0x10
[  294.755097][ T6556]  ? kernfs_path_from_node+0x250/0x290
[  294.755119][ T6556]  ? kernfs_path_from_node+0x2f/0x290
[  294.755145][ T6556]  sysfs_create_dir_ns+0x259/0x280
[  294.755171][ T6556]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  294.755192][ T6556]  ? do_raw_spin_unlock+0x122/0x240
[  294.755224][ T6556]  kobject_add_internal+0x6ab/0xcc0
[  294.755260][ T6556]  kobject_init_and_add+0x125/0x190
[  294.755294][ T6556]  ? __pfx_kobject_init_and_add+0x10/0x10
[  294.755322][ T6556]  ? __raw_spin_lock_init+0x45/0x100
[  294.755350][ T6556]  ? __init_swait_queue_head+0xa9/0x150
[  294.755380][ T6556]  gfs2_sys_fs_add+0x234/0x450
[  294.755409][ T6556]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  294.755445][ T6556]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  294.755489][ T6556]  gfs2_fill_super+0x1388/0x21b0
[  294.755527][ T6556]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.755553][ T6556]  ? sb_set_blocksize+0x155/0x240
[  294.755581][ T6556]  ? setup_bdev_super+0x4c1/0x5b0
[  294.755606][ T6556]  get_tree_bdev_flags+0x40e/0x4d0
[  294.755626][ T6556]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.755646][ T6556]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.755665][ T6556]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.755705][ T6556]  gfs2_get_tree+0x51/0x1e0
[  294.755730][ T6556]  vfs_get_tree+0x92/0x2a0
[  294.755753][ T6556]  do_new_mount+0x302/0xa10
[  294.755775][ T6556]  ? apparmor_capable+0x137/0x1a0
[  294.755801][ T6556]  ? __pfx_do_new_mount+0x10/0x10
[  294.755825][ T6556]  ? ns_capable+0x8a/0xf0
[  294.755849][ T6556]  ? kmem_cache_free+0x197/0x620
[  294.755881][ T6556]  __se_sys_mount+0x313/0x410
[  294.755913][ T6556]  ? __pfx___se_sys_mount+0x10/0x10
[  294.755951][ T6556]  ? do_syscall_64+0xbe/0xf80
[  294.755971][ T6556]  ? __x64_sys_mount+0x20/0xc0
[  294.755997][ T6556]  do_syscall_64+0xfa/0xf80
[  294.756021][ T6556]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.756040][ T6556]  ? clear_bhb_loop+0x60/0xb0
[  294.756064][ T6556]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.756082][ T6556] RIP: 0033:0x7f7da1790eea
[  294.756101][ T6556] 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
[  294.756117][ T6556] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.756139][ T6556] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  294.756154][ T6556] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  294.756167][ T6556] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  294.756180][ T6556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  294.756191][ T6556] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  294.756225][ T6556]  </TASK>
[  294.756529][ T6556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.091193][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.481748][ T6559] loop1: detected capacity change from 0 to 32768
[  295.505137][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.521095][ T6559] CPU: 1 UID: 0 PID: 6559 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  295.521125][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.521137][ T6559] Call Trace:
[  295.521146][ T6559]  <TASK>
[  295.521155][ T6559]  dump_stack_lvl+0x189/0x250
[  295.521188][ T6559]  ? __pfx_dump_stack_lvl+0x10/0x10
[  295.521210][ T6559]  ? __pfx__printk+0x10/0x10
[  295.521254][ T6559]  ? kernfs_path_from_node+0x250/0x290
[  295.521276][ T6559]  ? kernfs_path_from_node+0x2f/0x290
[  295.521303][ T6559]  sysfs_create_dir_ns+0x259/0x280
[  295.521328][ T6559]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.521352][ T6559]  ? do_raw_spin_unlock+0x122/0x240
[  295.521385][ T6559]  kobject_add_internal+0x6ab/0xcc0
[  295.521423][ T6559]  kobject_init_and_add+0x125/0x190
[  295.521457][ T6559]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.521484][ T6559]  ? __raw_spin_lock_init+0x45/0x100
[  295.521514][ T6559]  ? __init_swait_queue_head+0xa9/0x150
[  295.521544][ T6559]  gfs2_sys_fs_add+0x234/0x450
[  295.521570][ T6559]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.521604][ T6559]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.521646][ T6559]  gfs2_fill_super+0x1388/0x21b0
[  295.521683][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.521709][ T6559]  ? sb_set_blocksize+0x155/0x240
[  295.521737][ T6559]  ? setup_bdev_super+0x4c1/0x5b0
[  295.521762][ T6559]  get_tree_bdev_flags+0x40e/0x4d0
[  295.521809][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.521831][ T6559]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.521849][ T6559]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.521889][ T6559]  gfs2_get_tree+0x51/0x1e0
[  295.521914][ T6559]  vfs_get_tree+0x92/0x2a0
[  295.521939][ T6559]  do_new_mount+0x302/0xa10
[  295.521961][ T6559]  ? apparmor_capable+0x137/0x1a0
[  295.521986][ T6559]  ? __pfx_do_new_mount+0x10/0x10
[  295.522009][ T6559]  ? ns_capable+0x8a/0xf0
[  295.522034][ T6559]  ? kmem_cache_free+0x197/0x620
[  295.522068][ T6559]  __se_sys_mount+0x313/0x410
[  295.522101][ T6559]  ? __pfx___se_sys_mount+0x10/0x10
[  295.522132][ T6559]  ? do_syscall_64+0xbe/0xf80
[  295.522153][ T6559]  ? __x64_sys_mount+0x20/0xc0
[  295.522179][ T6559]  do_syscall_64+0xfa/0xf80
[  295.522203][ T6559]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.522223][ T6559]  ? clear_bhb_loop+0x60/0xb0
[  295.522256][ T6559]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.522275][ T6559] RIP: 0033:0x7f7da1790eea
[  295.522294][ T6559] 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
[  295.522311][ T6559] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.522333][ T6559] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  295.522347][ T6559] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  295.522360][ T6559] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  295.522374][ T6559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  295.522386][ T6559] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  295.522420][ T6559]  </TASK>
[  295.522451][ T6559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.848920][ T6559] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/16 14:08:10 executed programs: 164
[  296.248854][ T6562] loop1: detected capacity change from 0 to 32768
[  296.273502][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.282321][ T6562] CPU: 0 UID: 0 PID: 6562 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  296.282348][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  296.282360][ T6562] Call Trace:
[  296.282368][ T6562]  <TASK>
[  296.282377][ T6562]  dump_stack_lvl+0x189/0x250
[  296.282411][ T6562]  ? __pfx_dump_stack_lvl+0x10/0x10
[  296.282435][ T6562]  ? __pfx__printk+0x10/0x10
[  296.282469][ T6562]  ? kernfs_path_from_node+0x250/0x290
[  296.282490][ T6562]  ? kernfs_path_from_node+0x2f/0x290
[  296.282515][ T6562]  sysfs_create_dir_ns+0x259/0x280
[  296.282540][ T6562]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  296.282564][ T6562]  ? do_raw_spin_unlock+0x122/0x240
[  296.282598][ T6562]  kobject_add_internal+0x6ab/0xcc0
[  296.282635][ T6562]  kobject_init_and_add+0x125/0x190
[  296.282666][ T6562]  ? __pfx_kobject_init_and_add+0x10/0x10
[  296.282693][ T6562]  ? __raw_spin_lock_init+0x45/0x100
[  296.282721][ T6562]  ? __init_swait_queue_head+0xa9/0x150
[  296.282751][ T6562]  gfs2_sys_fs_add+0x234/0x450
[  296.282781][ T6562]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  296.282817][ T6562]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  296.282860][ T6562]  gfs2_fill_super+0x1388/0x21b0
[  296.282899][ T6562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.282925][ T6562]  ? sb_set_blocksize+0x155/0x240
[  296.282952][ T6562]  ? setup_bdev_super+0x4c1/0x5b0
[  296.282976][ T6562]  get_tree_bdev_flags+0x40e/0x4d0
[  296.282995][ T6562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.283014][ T6562]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  296.283031][ T6562]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  296.283071][ T6562]  gfs2_get_tree+0x51/0x1e0
[  296.283094][ T6562]  vfs_get_tree+0x92/0x2a0
[  296.283117][ T6562]  do_new_mount+0x302/0xa10
[  296.283138][ T6562]  ? apparmor_capable+0x137/0x1a0
[  296.283163][ T6562]  ? __pfx_do_new_mount+0x10/0x10
[  296.283188][ T6562]  ? ns_capable+0x8a/0xf0
[  296.283220][ T6562]  ? kmem_cache_free+0x197/0x620
[  296.283252][ T6562]  __se_sys_mount+0x313/0x410
[  296.283282][ T6562]  ? __pfx___se_sys_mount+0x10/0x10
[  296.283310][ T6562]  ? do_syscall_64+0xbe/0xf80
[  296.283331][ T6562]  ? __x64_sys_mount+0x20/0xc0
[  296.283357][ T6562]  do_syscall_64+0xfa/0xf80
[  296.283381][ T6562]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.283400][ T6562]  ? clear_bhb_loop+0x60/0xb0
[  296.283423][ T6562]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.283442][ T6562] RIP: 0033:0x7f7da1790eea
[  296.283460][ T6562] 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
[  296.283476][ T6562] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.283499][ T6562] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  296.283512][ T6562] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  296.283525][ T6562] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  296.283537][ T6562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  296.283549][ T6562] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  296.283583][ T6562]  </TASK>
[  296.283620][ T6562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.613568][ T6562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.007807][ T6565] loop1: detected capacity change from 0 to 32768
[  297.022861][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.030685][ T6565] CPU: 0 UID: 0 PID: 6565 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  297.030711][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  297.030722][ T6565] Call Trace:
[  297.030730][ T6565]  <TASK>
[  297.030739][ T6565]  dump_stack_lvl+0x189/0x250
[  297.030773][ T6565]  ? __pfx_dump_stack_lvl+0x10/0x10
[  297.030795][ T6565]  ? __pfx__printk+0x10/0x10
[  297.030825][ T6565]  ? kernfs_path_from_node+0x250/0x290
[  297.030845][ T6565]  ? kernfs_path_from_node+0x2f/0x290
[  297.030870][ T6565]  sysfs_create_dir_ns+0x259/0x280
[  297.030894][ T6565]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.030918][ T6565]  ? do_raw_spin_unlock+0x122/0x240
[  297.030950][ T6565]  kobject_add_internal+0x6ab/0xcc0
[  297.030993][ T6565]  kobject_init_and_add+0x125/0x190
[  297.031028][ T6565]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.031054][ T6565]  ? __raw_spin_lock_init+0x45/0x100
[  297.031080][ T6565]  ? __init_swait_queue_head+0xa9/0x150
[  297.031110][ T6565]  gfs2_sys_fs_add+0x234/0x450
[  297.031138][ T6565]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.031170][ T6565]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.031210][ T6565]  gfs2_fill_super+0x1388/0x21b0
[  297.031248][ T6565]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.031274][ T6565]  ? sb_set_blocksize+0x155/0x240
[  297.031300][ T6565]  ? setup_bdev_super+0x4c1/0x5b0
[  297.031325][ T6565]  get_tree_bdev_flags+0x40e/0x4d0
[  297.031346][ T6565]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.031366][ T6565]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.031384][ T6565]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.031426][ T6565]  gfs2_get_tree+0x51/0x1e0
[  297.031449][ T6565]  vfs_get_tree+0x92/0x2a0
[  297.031474][ T6565]  do_new_mount+0x302/0xa10
[  297.031496][ T6565]  ? apparmor_capable+0x137/0x1a0
[  297.031520][ T6565]  ? __pfx_do_new_mount+0x10/0x10
[  297.031543][ T6565]  ? ns_capable+0x8a/0xf0
[  297.031568][ T6565]  ? kmem_cache_free+0x197/0x620
[  297.031602][ T6565]  __se_sys_mount+0x313/0x410
[  297.031635][ T6565]  ? __pfx___se_sys_mount+0x10/0x10
[  297.031664][ T6565]  ? do_syscall_64+0xbe/0xf80
[  297.031684][ T6565]  ? __x64_sys_mount+0x20/0xc0
[  297.031711][ T6565]  do_syscall_64+0xfa/0xf80
[  297.031734][ T6565]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.031753][ T6565]  ? clear_bhb_loop+0x60/0xb0
[  297.031776][ T6565]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.031795][ T6565] RIP: 0033:0x7f7da1790eea
[  297.031813][ T6565] 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
[  297.031829][ T6565] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.031851][ T6565] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  297.031865][ T6565] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  297.031876][ T6565] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  297.031889][ T6565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  297.031900][ T6565] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  297.031934][ T6565]  </TASK>
[  297.349531][ T6565] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.385537][ T6565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.770954][ T6569] loop1: detected capacity change from 0 to 32768
[  297.796063][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.804318][ T6569] CPU: 0 UID: 0 PID: 6569 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  297.804345][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  297.804357][ T6569] Call Trace:
[  297.804365][ T6569]  <TASK>
[  297.804375][ T6569]  dump_stack_lvl+0x189/0x250
[  297.804409][ T6569]  ? __pfx_dump_stack_lvl+0x10/0x10
[  297.804431][ T6569]  ? __pfx__printk+0x10/0x10
[  297.804462][ T6569]  ? kernfs_path_from_node+0x250/0x290
[  297.804484][ T6569]  ? kernfs_path_from_node+0x2f/0x290
[  297.804509][ T6569]  sysfs_create_dir_ns+0x259/0x280
[  297.804534][ T6569]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.804557][ T6569]  ? do_raw_spin_unlock+0x122/0x240
[  297.804589][ T6569]  kobject_add_internal+0x6ab/0xcc0
[  297.804626][ T6569]  kobject_init_and_add+0x125/0x190
[  297.804657][ T6569]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.804685][ T6569]  ? __raw_spin_lock_init+0x45/0x100
[  297.804713][ T6569]  ? __init_swait_queue_head+0xa9/0x150
[  297.804742][ T6569]  gfs2_sys_fs_add+0x234/0x450
[  297.804781][ T6569]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.804816][ T6569]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.804856][ T6569]  gfs2_fill_super+0x1388/0x21b0
[  297.804896][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.804921][ T6569]  ? sb_set_blocksize+0x155/0x240
[  297.804948][ T6569]  ? setup_bdev_super+0x4c1/0x5b0
[  297.804973][ T6569]  get_tree_bdev_flags+0x40e/0x4d0
[  297.804995][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.805015][ T6569]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.805042][ T6569]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.805082][ T6569]  gfs2_get_tree+0x51/0x1e0
[  297.805106][ T6569]  vfs_get_tree+0x92/0x2a0
[  297.805129][ T6569]  do_new_mount+0x302/0xa10
[  297.805151][ T6569]  ? apparmor_capable+0x137/0x1a0
[  297.805177][ T6569]  ? __pfx_do_new_mount+0x10/0x10
[  297.805208][ T6569]  ? ns_capable+0x8a/0xf0
[  297.805231][ T6569]  ? kmem_cache_free+0x197/0x620
[  297.805264][ T6569]  __se_sys_mount+0x313/0x410
[  297.805293][ T6569]  ? __pfx___se_sys_mount+0x10/0x10
[  297.805326][ T6569]  ? do_syscall_64+0xbe/0xf80
[  297.805344][ T6569]  ? __x64_sys_mount+0x20/0xc0
[  297.805368][ T6569]  do_syscall_64+0xfa/0xf80
[  297.805392][ T6569]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.805411][ T6569]  ? clear_bhb_loop+0x60/0xb0
[  297.805434][ T6569]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.805452][ T6569] RIP: 0033:0x7f7da1790eea
[  297.805470][ T6569] 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
[  297.805487][ T6569] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.805508][ T6569] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  297.805523][ T6569] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  297.805534][ T6569] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  297.805546][ T6569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  297.805558][ T6569] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  297.805592][ T6569]  </TASK>
[  297.805620][ T6569] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.142318][ T6569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.539479][ T6572] loop1: detected capacity change from 0 to 32768
[  298.579123][ T6572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.587653][ T6572] CPU: 0 UID: 0 PID: 6572 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  298.587681][ T6572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  298.587693][ T6572] Call Trace:
[  298.587701][ T6572]  <TASK>
[  298.587710][ T6572]  dump_stack_lvl+0x189/0x250
[  298.587743][ T6572]  ? __pfx_dump_stack_lvl+0x10/0x10
[  298.587766][ T6572]  ? __pfx__printk+0x10/0x10
[  298.587802][ T6572]  ? kernfs_path_from_node+0x250/0x290
[  298.587822][ T6572]  ? kernfs_path_from_node+0x2f/0x290
[  298.587848][ T6572]  sysfs_create_dir_ns+0x259/0x280
[  298.587873][ T6572]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  298.587897][ T6572]  ? do_raw_spin_unlock+0x122/0x240
[  298.587928][ T6572]  kobject_add_internal+0x6ab/0xcc0
[  298.587964][ T6572]  kobject_init_and_add+0x125/0x190
[  298.587996][ T6572]  ? __pfx_kobject_init_and_add+0x10/0x10
[  298.588025][ T6572]  ? __raw_spin_lock_init+0x45/0x100
[  298.588054][ T6572]  ? __init_swait_queue_head+0xa9/0x150
[  298.588085][ T6572]  gfs2_sys_fs_add+0x234/0x450
[  298.588114][ T6572]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  298.588150][ T6572]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  298.588193][ T6572]  gfs2_fill_super+0x1388/0x21b0
[  298.588240][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.588266][ T6572]  ? sb_set_blocksize+0x155/0x240
[  298.588293][ T6572]  ? setup_bdev_super+0x4c1/0x5b0
[  298.588314][ T6572]  get_tree_bdev_flags+0x40e/0x4d0
[  298.588333][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.588351][ T6572]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  298.588369][ T6572]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  298.588408][ T6572]  gfs2_get_tree+0x51/0x1e0
[  298.588432][ T6572]  vfs_get_tree+0x92/0x2a0
[  298.588455][ T6572]  do_new_mount+0x302/0xa10
[  298.588478][ T6572]  ? apparmor_capable+0x137/0x1a0
[  298.588503][ T6572]  ? __pfx_do_new_mount+0x10/0x10
[  298.588524][ T6572]  ? ns_capable+0x8a/0xf0
[  298.588546][ T6572]  ? kmem_cache_free+0x197/0x620
[  298.588577][ T6572]  __se_sys_mount+0x313/0x410
[  298.588608][ T6572]  ? __pfx___se_sys_mount+0x10/0x10
[  298.588635][ T6572]  ? do_syscall_64+0xbe/0xf80
[  298.588656][ T6572]  ? __x64_sys_mount+0x20/0xc0
[  298.588682][ T6572]  do_syscall_64+0xfa/0xf80
[  298.588706][ T6572]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.588724][ T6572]  ? clear_bhb_loop+0x60/0xb0
[  298.588746][ T6572]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.588765][ T6572] RIP: 0033:0x7f7da1790eea
[  298.588784][ T6572] 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
[  298.588799][ T6572] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.588822][ T6572] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  298.588836][ T6572] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  298.588848][ T6572] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  298.588861][ T6572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  298.588873][ T6572] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  298.588908][ T6572]  </TASK>
[  298.588937][ T6572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.914684][ T6572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.309280][ T6575] loop1: detected capacity change from 0 to 32768
[  299.326767][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.334539][ T6575] CPU: 1 UID: 0 PID: 6575 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  299.334566][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.334577][ T6575] Call Trace:
[  299.334585][ T6575]  <TASK>
[  299.334595][ T6575]  dump_stack_lvl+0x189/0x250
[  299.334626][ T6575]  ? __pfx_dump_stack_lvl+0x10/0x10
[  299.334649][ T6575]  ? __pfx__printk+0x10/0x10
[  299.334683][ T6575]  ? kernfs_path_from_node+0x250/0x290
[  299.334704][ T6575]  ? kernfs_path_from_node+0x2f/0x290
[  299.334729][ T6575]  sysfs_create_dir_ns+0x259/0x280
[  299.334753][ T6575]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.334777][ T6575]  ? do_raw_spin_unlock+0x122/0x240
[  299.334808][ T6575]  kobject_add_internal+0x6ab/0xcc0
[  299.334844][ T6575]  kobject_init_and_add+0x125/0x190
[  299.334878][ T6575]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.334906][ T6575]  ? __raw_spin_lock_init+0x45/0x100
[  299.334934][ T6575]  ? __init_swait_queue_head+0xa9/0x150
[  299.334966][ T6575]  gfs2_sys_fs_add+0x234/0x450
[  299.334995][ T6575]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.335040][ T6575]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.335084][ T6575]  gfs2_fill_super+0x1388/0x21b0
[  299.335123][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.335149][ T6575]  ? sb_set_blocksize+0x155/0x240
[  299.335176][ T6575]  ? setup_bdev_super+0x4c1/0x5b0
[  299.335202][ T6575]  get_tree_bdev_flags+0x40e/0x4d0
[  299.335223][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.335241][ T6575]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.335259][ T6575]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.335297][ T6575]  gfs2_get_tree+0x51/0x1e0
[  299.335322][ T6575]  vfs_get_tree+0x92/0x2a0
[  299.335346][ T6575]  do_new_mount+0x302/0xa10
[  299.335367][ T6575]  ? apparmor_capable+0x137/0x1a0
[  299.335392][ T6575]  ? __pfx_do_new_mount+0x10/0x10
[  299.335416][ T6575]  ? ns_capable+0x8a/0xf0
[  299.335439][ T6575]  ? kmem_cache_free+0x197/0x620
[  299.335473][ T6575]  __se_sys_mount+0x313/0x410
[  299.335505][ T6575]  ? __pfx___se_sys_mount+0x10/0x10
[  299.335534][ T6575]  ? do_syscall_64+0xbe/0xf80
[  299.335554][ T6575]  ? __x64_sys_mount+0x20/0xc0
[  299.335589][ T6575]  do_syscall_64+0xfa/0xf80
[  299.335613][ T6575]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.335632][ T6575]  ? clear_bhb_loop+0x60/0xb0
[  299.335656][ T6575]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.335674][ T6575] RIP: 0033:0x7f7da1790eea
[  299.335692][ T6575] 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
[  299.335708][ T6575] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.335730][ T6575] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  299.335745][ T6575] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  299.335757][ T6575] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  299.335770][ T6575] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  299.335783][ T6575] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  299.335817][ T6575]  </TASK>
[  299.335846][ T6575] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.662954][ T6575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.058852][ T6578] loop1: detected capacity change from 0 to 32768
[  300.080951][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.089300][ T6578] CPU: 0 UID: 0 PID: 6578 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  300.089327][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.089336][ T6578] Call Trace:
[  300.089344][ T6578]  <TASK>
[  300.089353][ T6578]  dump_stack_lvl+0x189/0x250
[  300.089385][ T6578]  ? __pfx_dump_stack_lvl+0x10/0x10
[  300.089409][ T6578]  ? __pfx__printk+0x10/0x10
[  300.089442][ T6578]  ? kernfs_path_from_node+0x250/0x290
[  300.089462][ T6578]  ? kernfs_path_from_node+0x2f/0x290
[  300.089486][ T6578]  sysfs_create_dir_ns+0x259/0x280
[  300.089510][ T6578]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.089533][ T6578]  ? do_raw_spin_unlock+0x122/0x240
[  300.089562][ T6578]  kobject_add_internal+0x6ab/0xcc0
[  300.089598][ T6578]  kobject_init_and_add+0x125/0x190
[  300.089629][ T6578]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.089654][ T6578]  ? __raw_spin_lock_init+0x45/0x100
[  300.089680][ T6578]  ? __init_swait_queue_head+0xa9/0x150
[  300.089710][ T6578]  gfs2_sys_fs_add+0x234/0x450
[  300.089739][ T6578]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.089770][ T6578]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.089802][ T6578]  gfs2_fill_super+0x1388/0x21b0
[  300.089824][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.089839][ T6578]  ? sb_set_blocksize+0x155/0x240
[  300.089856][ T6578]  ? setup_bdev_super+0x4c1/0x5b0
[  300.089871][ T6578]  get_tree_bdev_flags+0x40e/0x4d0
[  300.089883][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.089895][ T6578]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.089906][ T6578]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.089929][ T6578]  gfs2_get_tree+0x51/0x1e0
[  300.089943][ T6578]  vfs_get_tree+0x92/0x2a0
[  300.089957][ T6578]  do_new_mount+0x302/0xa10
[  300.089971][ T6578]  ? apparmor_capable+0x137/0x1a0
[  300.089985][ T6578]  ? __pfx_do_new_mount+0x10/0x10
[  300.090008][ T6578]  ? ns_capable+0x8a/0xf0
[  300.090022][ T6578]  ? kmem_cache_free+0x197/0x620
[  300.090042][ T6578]  __se_sys_mount+0x313/0x410
[  300.090061][ T6578]  ? __pfx___se_sys_mount+0x10/0x10
[  300.090078][ T6578]  ? do_syscall_64+0xbe/0xf80
[  300.090091][ T6578]  ? __x64_sys_mount+0x20/0xc0
[  300.090106][ T6578]  do_syscall_64+0xfa/0xf80
[  300.090120][ T6578]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.090132][ T6578]  ? clear_bhb_loop+0x60/0xb0
[  300.090145][ T6578]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.090156][ T6578] RIP: 0033:0x7f7da1790eea
[  300.090176][ T6578] 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
[  300.090186][ T6578] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.090200][ T6578] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  300.090209][ T6578] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  300.090216][ T6578] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  300.090224][ T6578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  300.090232][ T6578] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  300.090254][ T6578]  </TASK>
[  300.090407][ T6578] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.417342][ T6578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.854027][ T6581] loop1: detected capacity change from 0 to 32768
[  300.879971][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.889511][ T6581] CPU: 1 UID: 0 PID: 6581 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  300.889540][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.889553][ T6581] Call Trace:
[  300.889561][ T6581]  <TASK>
[  300.889570][ T6581]  dump_stack_lvl+0x189/0x250
[  300.889605][ T6581]  ? __pfx_dump_stack_lvl+0x10/0x10
[  300.889630][ T6581]  ? __pfx__printk+0x10/0x10
[  300.889665][ T6581]  ? kernfs_path_from_node+0x250/0x290
[  300.889686][ T6581]  ? kernfs_path_from_node+0x2f/0x290
[  300.889712][ T6581]  sysfs_create_dir_ns+0x259/0x280
[  300.889738][ T6581]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.889763][ T6581]  ? do_raw_spin_unlock+0x122/0x240
[  300.889796][ T6581]  kobject_add_internal+0x6ab/0xcc0
[  300.889835][ T6581]  kobject_init_and_add+0x125/0x190
[  300.889869][ T6581]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.889898][ T6581]  ? __raw_spin_lock_init+0x45/0x100
[  300.889927][ T6581]  ? __init_swait_queue_head+0xa9/0x150
[  300.889959][ T6581]  gfs2_sys_fs_add+0x234/0x450
[  300.889989][ T6581]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.890034][ T6581]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.890078][ T6581]  gfs2_fill_super+0x1388/0x21b0
[  300.890118][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.890145][ T6581]  ? sb_set_blocksize+0x155/0x240
[  300.890174][ T6581]  ? setup_bdev_super+0x4c1/0x5b0
[  300.890200][ T6581]  get_tree_bdev_flags+0x40e/0x4d0
[  300.890222][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.890242][ T6581]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.890261][ T6581]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.890301][ T6581]  gfs2_get_tree+0x51/0x1e0
[  300.890326][ T6581]  vfs_get_tree+0x92/0x2a0
[  300.890351][ T6581]  do_new_mount+0x302/0xa10
[  300.890373][ T6581]  ? apparmor_capable+0x137/0x1a0
[  300.890398][ T6581]  ? __pfx_do_new_mount+0x10/0x10
[  300.890423][ T6581]  ? ns_capable+0x8a/0xf0
[  300.890447][ T6581]  ? kmem_cache_free+0x197/0x620
[  300.890483][ T6581]  __se_sys_mount+0x313/0x410
[  300.890515][ T6581]  ? __pfx___se_sys_mount+0x10/0x10
[  300.890546][ T6581]  ? do_syscall_64+0xbe/0xf80
[  300.890567][ T6581]  ? __x64_sys_mount+0x20/0xc0
[  300.890594][ T6581]  do_syscall_64+0xfa/0xf80
[  300.890618][ T6581]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.890637][ T6581]  ? clear_bhb_loop+0x60/0xb0
[  300.890660][ T6581]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.890677][ T6581] RIP: 0033:0x7f7da1790eea
[  300.890696][ T6581] 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
[  300.890711][ T6581] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.890732][ T6581] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  300.890747][ T6581] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  300.890759][ T6581] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  300.890772][ T6581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  300.890784][ T6581] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  300.890818][ T6581]  </TASK>
[  300.890847][ T6581] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.224552][ T6581] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/16 14:08:16 executed programs: 171
[  301.628524][ T6584] loop1: detected capacity change from 0 to 32768
[  301.662834][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.671298][ T6584] CPU: 0 UID: 0 PID: 6584 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  301.671325][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  301.671336][ T6584] Call Trace:
[  301.671345][ T6584]  <TASK>
[  301.671354][ T6584]  dump_stack_lvl+0x189/0x250
[  301.671388][ T6584]  ? __pfx_dump_stack_lvl+0x10/0x10
[  301.671413][ T6584]  ? __pfx__printk+0x10/0x10
[  301.671447][ T6584]  ? kernfs_path_from_node+0x250/0x290
[  301.671468][ T6584]  ? kernfs_path_from_node+0x2f/0x290
[  301.671494][ T6584]  sysfs_create_dir_ns+0x259/0x280
[  301.671520][ T6584]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.671544][ T6584]  ? do_raw_spin_unlock+0x122/0x240
[  301.671577][ T6584]  kobject_add_internal+0x6ab/0xcc0
[  301.671615][ T6584]  kobject_init_and_add+0x125/0x190
[  301.671649][ T6584]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.671677][ T6584]  ? __raw_spin_lock_init+0x45/0x100
[  301.671705][ T6584]  ? __init_swait_queue_head+0xa9/0x150
[  301.671737][ T6584]  gfs2_sys_fs_add+0x234/0x450
[  301.671767][ T6584]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.671803][ T6584]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.671847][ T6584]  gfs2_fill_super+0x1388/0x21b0
[  301.671887][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.671913][ T6584]  ? sb_set_blocksize+0x155/0x240
[  301.671941][ T6584]  ? setup_bdev_super+0x4c1/0x5b0
[  301.671966][ T6584]  get_tree_bdev_flags+0x40e/0x4d0
[  301.671988][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.672008][ T6584]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.672025][ T6584]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.672066][ T6584]  gfs2_get_tree+0x51/0x1e0
[  301.672091][ T6584]  vfs_get_tree+0x92/0x2a0
[  301.672113][ T6584]  do_new_mount+0x302/0xa10
[  301.672131][ T6584]  ? apparmor_capable+0x137/0x1a0
[  301.672154][ T6584]  ? __pfx_do_new_mount+0x10/0x10
[  301.672182][ T6584]  ? ns_capable+0x8a/0xf0
[  301.672196][ T6584]  ? kmem_cache_free+0x197/0x620
[  301.672215][ T6584]  __se_sys_mount+0x313/0x410
[  301.672234][ T6584]  ? __pfx___se_sys_mount+0x10/0x10
[  301.672250][ T6584]  ? do_syscall_64+0xbe/0xf80
[  301.672274][ T6584]  ? __x64_sys_mount+0x20/0xc0
[  301.672289][ T6584]  do_syscall_64+0xfa/0xf80
[  301.672303][ T6584]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.672315][ T6584]  ? clear_bhb_loop+0x60/0xb0
[  301.672329][ T6584]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.672340][ T6584] RIP: 0033:0x7f7da1790eea
[  301.672351][ T6584] 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
[  301.672361][ T6584] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.672376][ T6584] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  301.672384][ T6584] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  301.672392][ T6584] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  301.672399][ T6584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  301.672407][ T6584] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  301.672426][ T6584]  </TASK>
[  301.672444][ T6584] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.002661][ T6584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.398823][ T6587] loop1: detected capacity change from 0 to 32768
[  302.413652][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.436091][ T6587] CPU: 0 UID: 0 PID: 6587 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  302.436119][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  302.436130][ T6587] Call Trace:
[  302.436138][ T6587]  <TASK>
[  302.436147][ T6587]  dump_stack_lvl+0x189/0x250
[  302.436181][ T6587]  ? __pfx_dump_stack_lvl+0x10/0x10
[  302.436205][ T6587]  ? __pfx__printk+0x10/0x10
[  302.436238][ T6587]  ? kernfs_path_from_node+0x250/0x290
[  302.436258][ T6587]  ? kernfs_path_from_node+0x2f/0x290
[  302.436282][ T6587]  sysfs_create_dir_ns+0x259/0x280
[  302.436308][ T6587]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.436331][ T6587]  ? do_raw_spin_unlock+0x122/0x240
[  302.436363][ T6587]  kobject_add_internal+0x6ab/0xcc0
[  302.436401][ T6587]  kobject_init_and_add+0x125/0x190
[  302.436434][ T6587]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.436461][ T6587]  ? __raw_spin_lock_init+0x45/0x100
[  302.436490][ T6587]  ? __init_swait_queue_head+0xa9/0x150
[  302.436520][ T6587]  gfs2_sys_fs_add+0x234/0x450
[  302.436549][ T6587]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.436583][ T6587]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.436624][ T6587]  gfs2_fill_super+0x1388/0x21b0
[  302.436655][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.436670][ T6587]  ? sb_set_blocksize+0x155/0x240
[  302.436687][ T6587]  ? setup_bdev_super+0x4c1/0x5b0
[  302.436702][ T6587]  get_tree_bdev_flags+0x40e/0x4d0
[  302.436714][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.436726][ T6587]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.436737][ T6587]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.436761][ T6587]  gfs2_get_tree+0x51/0x1e0
[  302.436775][ T6587]  vfs_get_tree+0x92/0x2a0
[  302.436789][ T6587]  do_new_mount+0x302/0xa10
[  302.436802][ T6587]  ? apparmor_capable+0x137/0x1a0
[  302.436817][ T6587]  ? __pfx_do_new_mount+0x10/0x10
[  302.436831][ T6587]  ? ns_capable+0x8a/0xf0
[  302.436845][ T6587]  ? kmem_cache_free+0x197/0x620
[  302.436865][ T6587]  __se_sys_mount+0x313/0x410
[  302.436883][ T6587]  ? __pfx___se_sys_mount+0x10/0x10
[  302.436900][ T6587]  ? do_syscall_64+0xbe/0xf80
[  302.436913][ T6587]  ? __x64_sys_mount+0x20/0xc0
[  302.436929][ T6587]  do_syscall_64+0xfa/0xf80
[  302.436942][ T6587]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.436953][ T6587]  ? clear_bhb_loop+0x60/0xb0
[  302.436975][ T6587]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.436986][ T6587] RIP: 0033:0x7f7da1790eea
[  302.436999][ T6587] 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
[  302.437008][ T6587] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.437023][ T6587] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  302.437031][ T6587] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  302.437039][ T6587] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  302.437053][ T6587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  302.437061][ T6587] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  302.437080][ T6587]  </TASK>
[  302.437224][ T6587] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.764867][ T6587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.163521][ T6590] loop1: detected capacity change from 0 to 32768
[  303.187172][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.194812][ T6590] CPU: 1 UID: 0 PID: 6590 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  303.194839][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  303.194851][ T6590] Call Trace:
[  303.194859][ T6590]  <TASK>
[  303.194868][ T6590]  dump_stack_lvl+0x189/0x250
[  303.194900][ T6590]  ? __pfx_dump_stack_lvl+0x10/0x10
[  303.194925][ T6590]  ? __pfx__printk+0x10/0x10
[  303.194960][ T6590]  ? kernfs_path_from_node+0x250/0x290
[  303.194992][ T6590]  ? kernfs_path_from_node+0x2f/0x290
[  303.195017][ T6590]  sysfs_create_dir_ns+0x259/0x280
[  303.195042][ T6590]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.195066][ T6590]  ? do_raw_spin_unlock+0x122/0x240
[  303.195099][ T6590]  kobject_add_internal+0x6ab/0xcc0
[  303.195136][ T6590]  kobject_init_and_add+0x125/0x190
[  303.195168][ T6590]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.195196][ T6590]  ? __raw_spin_lock_init+0x45/0x100
[  303.195223][ T6590]  ? __init_swait_queue_head+0xa9/0x150
[  303.195253][ T6590]  gfs2_sys_fs_add+0x234/0x450
[  303.195281][ T6590]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.195316][ T6590]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.195359][ T6590]  gfs2_fill_super+0x1388/0x21b0
[  303.195398][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.195424][ T6590]  ? sb_set_blocksize+0x155/0x240
[  303.195451][ T6590]  ? setup_bdev_super+0x4c1/0x5b0
[  303.195476][ T6590]  get_tree_bdev_flags+0x40e/0x4d0
[  303.195497][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.195517][ T6590]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.195535][ T6590]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.195575][ T6590]  gfs2_get_tree+0x51/0x1e0
[  303.195598][ T6590]  vfs_get_tree+0x92/0x2a0
[  303.195623][ T6590]  do_new_mount+0x302/0xa10
[  303.195644][ T6590]  ? apparmor_capable+0x137/0x1a0
[  303.195668][ T6590]  ? __pfx_do_new_mount+0x10/0x10
[  303.195691][ T6590]  ? ns_capable+0x8a/0xf0
[  303.195715][ T6590]  ? kmem_cache_free+0x197/0x620
[  303.195749][ T6590]  __se_sys_mount+0x313/0x410
[  303.195780][ T6590]  ? __pfx___se_sys_mount+0x10/0x10
[  303.195810][ T6590]  ? do_syscall_64+0xbe/0xf80
[  303.195831][ T6590]  ? __x64_sys_mount+0x20/0xc0
[  303.195857][ T6590]  do_syscall_64+0xfa/0xf80
[  303.195880][ T6590]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.195899][ T6590]  ? clear_bhb_loop+0x60/0xb0
[  303.195922][ T6590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.195939][ T6590] RIP: 0033:0x7f7da1790eea
[  303.195959][ T6590] 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
[  303.195984][ T6590] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.196006][ T6590] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  303.196020][ T6590] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  303.196033][ T6590] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  303.196045][ T6590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  303.196058][ T6590] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  303.196093][ T6590]  </TASK>
[  303.196122][ T6590] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.526402][ T6590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.939709][ T6593] loop1: detected capacity change from 0 to 32768
[  303.968651][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.977358][ T6593] CPU: 1 UID: 0 PID: 6593 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  303.977385][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  303.977397][ T6593] Call Trace:
[  303.977405][ T6593]  <TASK>
[  303.977415][ T6593]  dump_stack_lvl+0x189/0x250
[  303.977449][ T6593]  ? __pfx_dump_stack_lvl+0x10/0x10
[  303.977472][ T6593]  ? __pfx__printk+0x10/0x10
[  303.977504][ T6593]  ? kernfs_path_from_node+0x250/0x290
[  303.977524][ T6593]  ? kernfs_path_from_node+0x2f/0x290
[  303.977547][ T6593]  sysfs_create_dir_ns+0x259/0x280
[  303.977573][ T6593]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.977596][ T6593]  ? do_raw_spin_unlock+0x122/0x240
[  303.977625][ T6593]  kobject_add_internal+0x6ab/0xcc0
[  303.977655][ T6593]  kobject_init_and_add+0x125/0x190
[  303.977675][ T6593]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.977692][ T6593]  ? __raw_spin_lock_init+0x45/0x100
[  303.977708][ T6593]  ? __init_swait_queue_head+0xa9/0x150
[  303.977726][ T6593]  gfs2_sys_fs_add+0x234/0x450
[  303.977744][ T6593]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.977765][ T6593]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.977790][ T6593]  gfs2_fill_super+0x1388/0x21b0
[  303.977812][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.977827][ T6593]  ? sb_set_blocksize+0x155/0x240
[  303.977844][ T6593]  ? setup_bdev_super+0x4c1/0x5b0
[  303.977859][ T6593]  get_tree_bdev_flags+0x40e/0x4d0
[  303.977871][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.977883][ T6593]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.977894][ T6593]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.977917][ T6593]  gfs2_get_tree+0x51/0x1e0
[  303.977931][ T6593]  vfs_get_tree+0x92/0x2a0
[  303.977945][ T6593]  do_new_mount+0x302/0xa10
[  303.977958][ T6593]  ? apparmor_capable+0x137/0x1a0
[  303.977972][ T6593]  ? __pfx_do_new_mount+0x10/0x10
[  303.977986][ T6593]  ? ns_capable+0x8a/0xf0
[  303.978001][ T6593]  ? kmem_cache_free+0x197/0x620
[  303.978028][ T6593]  __se_sys_mount+0x313/0x410
[  303.978047][ T6593]  ? __pfx___se_sys_mount+0x10/0x10
[  303.978063][ T6593]  ? do_syscall_64+0xbe/0xf80
[  303.978076][ T6593]  ? __x64_sys_mount+0x20/0xc0
[  303.978092][ T6593]  do_syscall_64+0xfa/0xf80
[  303.978106][ T6593]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.978117][ T6593]  ? clear_bhb_loop+0x60/0xb0
[  303.978131][ T6593]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.978143][ T6593] RIP: 0033:0x7f7da1790eea
[  303.978156][ T6593] 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
[  303.978165][ T6593] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.978180][ T6593] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  303.978188][ T6593] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  303.978196][ T6593] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  303.978204][ T6593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  303.978212][ T6593] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  303.978231][ T6593]  </TASK>
[  303.978974][ T6593] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.314662][ T6593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.323116][   T31] INFO: task kworker/1:2:978 blocked for more than 143 seconds.
[  304.359224][   T31]       Not tainted syzkaller #0
[  304.366542][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  304.388027][   T31] task:kworker/1:2     state:D stack:22936 pid:978   tgid:978   ppid:2      task_flags:0x4208060 flags:0x00080000
[  304.401305][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  304.407351][   T31] Call Trace:
[  304.410784][   T31]  <TASK>
[  304.414914][   T31]  __schedule+0x150e/0x5070
[  304.419604][   T31]  ? __pfx___schedule+0x10/0x10
[  304.425288][   T31]  ? schedule+0x91/0x360
[  304.429872][   T31]  schedule+0x165/0x360
[  304.436274][   T31]  io_schedule+0x80/0xd0
[  304.440564][   T31]  folio_wait_bit_common+0x6b0/0xb80
[  304.446731][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  304.453508][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  304.459427][   T31]  ? __filemap_get_folio_mpol+0x770/0xb00
[  304.488864][   T31]  ? blkg_get+0x20/0x1d0
[  304.493517][   T31]  ? blkg_get+0x20/0x1d0
[  304.498346][   T31]  gfs2_jhead_process_page+0x171/0x650
[  304.506317][   T31]  ? bio_associate_blkg+0x6d/0x230
[  304.519110][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  304.526275][   T31]  ? bio_associate_blkg+0x6d/0x230
[  304.532248][   T31]  ? bio_add_folio_nofail+0x116/0x320
[  304.537777][   T31]  gfs2_find_jhead+0x8f4/0xe40
[  304.543868][   T31]  gfs2_recover_func+0x5f5/0x1c90
[  304.549297][   T31]  ? unwind_next_frame+0xa5/0x23d0
[  304.554988][   T31]  ? ret_from_fork_asm+0x1a/0x30
[  304.560070][   T31]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  304.566897][   T31]  ? arch_stack_walk+0x11c/0x150
[  304.572644][   T31]  ? ret_from_fork_asm+0x1a/0x30
[  304.577667][   T31]  ? stack_trace_save+0x9c/0xe0
[  304.583000][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  304.588688][   T31]  ? check_path+0x21/0x40
[  304.593520][   T31]  ? lockdep_unlock+0x89/0x120
[  304.598959][   T31]  ? __lock_acquire+0x146f/0x2cf0
[  304.604790][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  304.610380][   T31]  ? process_one_work+0x868/0x15a0
[  304.616435][   T31]  process_one_work+0x93a/0x15a0
[  304.622032][   T31]  ? __pfx_process_one_work+0x10/0x10
[  304.628148][   T31]  ? assign_work+0x3c7/0x5b0
[  304.633387][   T31]  worker_thread+0x9b0/0xee0
[  304.638115][   T31]  kthread+0x711/0x8a0
[  304.643385][   T31]  ? __pfx_worker_thread+0x10/0x10
[  304.648555][   T31]  ? __pfx_kthread+0x10/0x10
[  304.654410][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  304.659756][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  304.665689][   T31]  ? __pfx_kthread+0x10/0x10
[  304.670685][   T31]  ret_from_fork+0x599/0xb30
[  304.676171][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  304.681805][   T31]  ? __switch_to_asm+0x39/0x70
[  304.686787][   T31]  ? __switch_to_asm+0x33/0x70
[  304.692222][   T31]  ? __pfx_kthread+0x10/0x10
[  304.696950][   T31]  ret_from_fork_asm+0x1a/0x30
[  304.702318][   T31]  </TASK>
[  304.710505][   T31] INFO: task syz.0.17:6031 blocked for more than 143 seconds.
[  304.719026][   T31]       Not tainted syzkaller #0
[  304.724613][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  304.735422][   T31] task:syz.0.17        state:D stack:24408 pid:6031  tgid:6031  ppid:5957   task_flags:0x400140 flags:0x00080002
[  304.748500][   T31] Call Trace:
[  304.752394][   T31]  <TASK>
[  304.755658][   T31]  __schedule+0x150e/0x5070
[  304.760653][   T31]  ? preempt_schedule+0xae/0xc0
[  304.766320][   T31]  ? __pfx___schedule+0x10/0x10
[  304.771790][   T31]  ? schedule+0x91/0x360
[  304.776589][   T31]  schedule+0x165/0x360
[  304.780797][   T31]  bit_wait+0x11/0xd0
[  304.785459][   T31]  __wait_on_bit+0xb9/0x310
[  304.790280][   T31]  ? __pfx_bit_wait+0x10/0x10
[  304.795603][   T31]  ? __pfx_bit_wait+0x10/0x10
[  304.800322][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  304.806696][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  304.813372][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  304.818884][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  304.824972][   T31]  gfs2_recover_journal+0xda/0x140
[  304.830241][   T31]  init_journal+0x1977/0x2170
[  304.835662][   T31]  ? init_inodes+0xdb/0x320
[  304.840228][   T31]  ? __pfx_init_journal+0x10/0x10
[  304.845918][   T31]  ? snprintf+0xda/0x120
[  304.850485][   T31]  ? init_inodes+0xdb/0x320
[  304.855625][   T31]  ? __pfx_snprintf+0x10/0x10
[  304.860612][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  304.866629][   T31]  init_inodes+0xdb/0x320
[  304.871439][   T31]  gfs2_fill_super+0x1a08/0x21b0
[  304.876623][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.889674][   T31]  ? init_locking+0xb8/0x210
[  304.894694][   T31]  ? sb_set_blocksize+0x155/0x240
[  304.900004][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  304.905504][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  304.910662][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.915816][ T6596] loop1: detected capacity change from 0 to 32768
[  304.916882][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.931358][   T31]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.937345][   T31]  gfs2_get_tree+0x51/0x1e0
[  304.941293][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.951528][   T31]  vfs_get_tree+0x92/0x2a0
[  304.955261][ T6596] CPU: 1 UID: 0 PID: 6596 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  304.955285][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.955296][ T6596] Call Trace:
[  304.955304][ T6596]  <TASK>
[  304.955312][ T6596]  dump_stack_lvl+0x189/0x250
[  304.955341][ T6596]  ? __pfx_dump_stack_lvl+0x10/0x10
[  304.955362][ T6596]  ? __pfx__printk+0x10/0x10
[  304.955392][ T6596]  ? kernfs_path_from_node+0x250/0x290
[  304.955410][ T6596]  ? kernfs_path_from_node+0x2f/0x290
[  304.955432][ T6596]  sysfs_create_dir_ns+0x259/0x280
[  304.955453][ T6596]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.955474][ T6596]  ? do_raw_spin_unlock+0x122/0x240
[  304.955502][ T6596]  kobject_add_internal+0x6ab/0xcc0
[  304.955534][ T6596]  kobject_init_and_add+0x125/0x190
[  304.955562][ T6596]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.955587][ T6596]  ? __raw_spin_lock_init+0x45/0x100
[  304.955611][ T6596]  ? __init_swait_queue_head+0xa9/0x150
[  304.955638][ T6596]  gfs2_sys_fs_add+0x234/0x450
[  304.955664][ T6596]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.955695][ T6596]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.955732][ T6596]  gfs2_fill_super+0x1388/0x21b0
[  304.955766][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.955789][ T6596]  ? sb_set_blocksize+0x155/0x240
[  304.955813][ T6596]  ? setup_bdev_super+0x4c1/0x5b0
[  304.955836][ T6596]  get_tree_bdev_flags+0x40e/0x4d0
[  304.955854][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.955871][ T6596]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.955887][ T6596]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.955922][ T6596]  gfs2_get_tree+0x51/0x1e0
[  304.955943][ T6596]  vfs_get_tree+0x92/0x2a0
[  304.955964][ T6596]  do_new_mount+0x302/0xa10
[  304.955991][ T6596]  ? apparmor_capable+0x137/0x1a0
[  304.956014][ T6596]  ? __pfx_do_new_mount+0x10/0x10
[  304.956035][ T6596]  ? ns_capable+0x8a/0xf0
[  304.956056][ T6596]  ? kmem_cache_free+0x197/0x620
[  304.956085][ T6596]  __se_sys_mount+0x313/0x410
[  304.956114][ T6596]  ? __pfx___se_sys_mount+0x10/0x10
[  304.956140][ T6596]  ? do_syscall_64+0xbe/0xf80
[  304.956159][ T6596]  ? __x64_sys_mount+0x20/0xc0
[  304.956181][ T6596]  do_syscall_64+0xfa/0xf80
[  304.956203][ T6596]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.956220][ T6596]  ? clear_bhb_loop+0x60/0xb0
[  304.956241][ T6596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.956257][ T6596] RIP: 0033:0x7f7da1790eea
[  304.956273][ T6596] 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
[  304.956287][ T6596] RSP: 002b:00007ffdf2e433a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.956307][ T6596] RAX: ffffffffffffffda RBX: 00007ffdf2e43430 RCX: 00007f7da1790eea
[  304.956320][ T6596] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffdf2e433f0
[  304.956332][ T6596] RBP: 0000200000037f40 R08: 00007ffdf2e43430 R09: 0000000000000000
[  304.956343][ T6596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  304.956354][ T6596] R13: 00007ffdf2e433f0 R14: 0000000000038023 R15: 00002000000000c0
[  304.956385][ T6596]  </TASK>
[  304.956412][ T6596] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.975662][   T31]  do_new_mount+0x302/0xa10
[  304.975697][   T31]  ? apparmor_capable+0x137/0x1a0
[  304.975723][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  304.975748][   T31]  ? ns_capable+0x8a/0xf0
[  304.975774][   T31]  ? kmem_cache_free+0x197/0x620
[  305.011444][ T6596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.014656][   T31]  __se_sys_mount+0x313/0x410
[  305.331447][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  305.336908][   T31]  ? do_syscall_64+0xbe/0xf80
[  305.341861][   T31]  ? __x64_sys_mount+0x20/0xc0
[  305.346846][   T31]  do_syscall_64+0xfa/0xf80
[  305.351719][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.357832][   T31]  ? clear_bhb_loop+0x60/0xb0
[  305.362916][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.369223][   T31] RIP: 0033:0x7f5fbef90eea
[  305.374048][   T31] RSP: 002b:00007ffc3969c348 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.382827][   T31] RAX: ffffffffffffffda RBX: 00007ffc3969c3d0 RCX: 00007f5fbef90eea
[  305.391673][   T31] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffc3969c390
[  305.399779][   T31] RBP: 0000200000037f40 R08: 00007ffc3969c3d0 R09: 0000000000000000
[  305.408028][   T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
[  305.416160][   T31] R13: 00007ffc3969c390 R14: 0000000000038023 R15: 00002000000000c0
[  305.426021][   T31]  </TASK>
[  305.446936][   T31] 
[  305.446936][   T31] Showing all locks held in the system:
[  305.460177][   T31] 1 lock held by khungtaskd/31:
[  305.465806][   T31]  #0: ffffffff8df41b20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  305.476217][   T31] 2 locks held by kworker/1:2/978:
[  305.481898][   T31]  #0: ffff888021aaf148 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x841/0x15a0
[  305.493976][   T31]  #1: ffffc90003b57b80 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x868/0x15a0
[  305.505561][   T31] 2 locks held by getty/5580:
[  305.510359][   T31]  #0: ffff888034fed0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  305.520645][   T31]  #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460
[  305.532642][   T31] 1 lock held by syz.0.17/6031:
[  305.537895][   T31]  #0: ffff88802fb000e0 (&type->s_umount_key#53/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xaa0
[  305.548487][   T31] 3 locks held by syz.1.191/6599:
[  305.553950][   T31] 
[  305.556314][   T31] =============================================
[  305.556314][   T31] 
[  305.565231][   T31] NMI backtrace for cpu 0
[  305.565251][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  305.565273][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.565285][   T31] Call Trace:
[  305.565293][   T31]  <TASK>
[  305.565300][   T31]  dump_stack_lvl+0x189/0x250
[  305.565331][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  305.565354][   T31]  ? __pfx__printk+0x10/0x10
[  305.565396][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  305.565429][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  305.565459][   T31]  ? __pfx__printk+0x10/0x10
[  305.565491][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  305.565523][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  305.565554][   T31]  sys_info+0x135/0x170
[  305.565578][   T31]  watchdog+0xf95/0xfe0
[  305.565610][   T31]  ? watchdog+0x20a/0xfe0
[  305.565644][   T31]  kthread+0x711/0x8a0
[  305.565673][   T31]  ? __pfx_watchdog+0x10/0x10
[  305.565697][   T31]  ? __pfx_kthread+0x10/0x10
[  305.565724][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  305.565745][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  305.565766][   T31]  ? __pfx_kthread+0x10/0x10
[  305.565790][   T31]  ret_from_fork+0x599/0xb30
[  305.565812][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  305.565842][   T31]  ? __switch_to_asm+0x39/0x70
[  305.565866][   T31]  ? __switch_to_asm+0x33/0x70
[  305.565886][   T31]  ? __pfx_kthread+0x10/0x10
[  305.565911][   T31]  ret_from_fork_asm+0x1a/0x30
[  305.565953][   T31]  </TASK>
[  305.565961][   T31] Sending NMI from CPU 0 to CPUs 1:
[  305.720677][    C1] NMI backtrace for cpu 1
[  305.720696][    C1] CPU: 1 UID: 0 PID: 6599 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  305.720715][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.720725][    C1] RIP: 0010:check_preemption_disabled+0x0/0x120
[  305.720751][    C1] Code: c7 00 84 c0 8b 48 c7 c6 40 84 c0 8b eb 1c 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 41 57 41 56 53 48 83 ec 10 65 48 8b 05 be e1 22 07 48 89 44 24
[  305.720764][    C1] RSP: 0018:ffffc9000b317010 EFLAGS: 00000282
[  305.720779][    C1] RAX: 0000000000000001 RBX: ffffffff8231e1d5 RCX: ffff888030c05b80
[  305.720791][    C1] RDX: 00000000cdac3f13 RSI: ffffffff8bc08440 RDI: ffffffff8bc08400
[  305.720802][    C1] RBP: dffffc0000000000 R08: ffffffff81743f85 R09: ffffffff8df41b20
[  305.720813][    C1] R10: ffffc9000b317158 R11: ffffffff81ada390 R12: 1ffff92001662e21
[  305.720824][    C1] R13: ffffc9000b317140 R14: ffffc9000b317108 R15: ffffffff81743f85
[  305.720835][    C1] FS:  0000555557889500(0000) GS:ffff888125f32000(0000) knlGS:0000000000000000
[  305.720849][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  305.720859][    C1] CR2: 00007f7d997ff000 CR3: 0000000032058000 CR4: 00000000003526f0
[  305.720876][    C1] Call Trace:
[  305.720883][    C1]  <TASK>
[  305.720889][    C1]  rcu_is_watching+0x15/0xb0
[  305.720909][    C1]  ? save_stack+0xf5/0x1f0
[  305.720926][    C1]  ? unwind_next_frame+0xa5/0x23d0
[  305.720942][    C1]  unwind_next_frame+0xd4/0x23d0
[  305.720962][    C1]  ? unwind_next_frame+0xa5/0x23d0
[  305.720979][    C1]  ? stack_trace_save+0x9c/0xe0
[  305.720992][    C1]  ? save_stack+0xf5/0x1f0
[  305.721013][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  305.721030][    C1]  arch_stack_walk+0x11c/0x150
[  305.721052][    C1]  ? save_stack+0xf5/0x1f0
[  305.721069][    C1]  stack_trace_save+0x9c/0xe0
[  305.721083][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  305.721097][    C1]  ? do_raw_spin_lock+0x121/0x290
[  305.721120][    C1]  save_stack+0xf5/0x1f0
[  305.721136][    C1]  ? __pfx_save_stack+0x10/0x10
[  305.721158][    C1]  ? page_ext_put+0x97/0xc0
[  305.721175][    C1]  __reset_page_owner+0x71/0x1f0
[  305.721191][    C1]  free_unref_folios+0xdb3/0x14f0
[  305.721211][    C1]  ? __page_cache_release+0x8a6/0xbb0
[  305.721230][    C1]  ? folio_unqueue_deferred_split+0x93/0x230
[  305.721290][    C1]  folios_put_refs+0x584/0x670
[  305.721312][    C1]  ? __pfx_folios_put_refs+0x10/0x10
[  305.721332][    C1]  ? free_swap_cache+0x109/0x300
[  305.721354][    C1]  free_pages_and_swap_cache+0x277/0x520
[  305.721377][    C1]  ? __pfx_free_pages_and_swap_cache+0x10/0x10
[  305.721397][    C1]  ? __virt_addr_valid+0x1c8/0x5c0
[  305.721435][    C1]  ? tlb_table_flush+0x36d/0x410
[  305.721452][    C1]  ? __pfx_free_pgtables+0x10/0x10
[  305.721471][    C1]  tlb_flush_mmu+0x3a0/0x680
[  305.721490][    C1]  tlb_finish_mmu+0xc3/0x1d0
[  305.721508][    C1]  vms_clear_ptes+0x42b/0x530
[  305.721533][    C1]  ? __pfx_vms_clear_ptes+0x10/0x10
[  305.721563][    C1]  vms_complete_munmap_vmas+0x206/0x8a0
[  305.721585][    C1]  ? __mas_set_range+0x12f/0x3c0
[  305.721607][    C1]  do_vmi_align_munmap+0x364/0x440
[  305.721634][    C1]  ? __pfx_do_vmi_align_munmap+0x10/0x10
[  305.721667][    C1]  do_vmi_munmap+0x253/0x2e0
[  305.721689][    C1]  __vm_munmap+0x207/0x380
[  305.721710][    C1]  ? __pfx___vm_munmap+0x10/0x10
[  305.721734][    C1]  ? rcu_is_watching+0x15/0xb0
[  305.721756][    C1]  __x64_sys_munmap+0x60/0x70
[  305.721771][    C1]  do_syscall_64+0xfa/0xf80
[  305.721789][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.721805][    C1]  ? clear_bhb_loop+0x60/0xb0
[  305.721822][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.721859][    C1] RIP: 0033:0x7f7da178f7d7
[  305.721873][    C1] Code: 00 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  305.721886][    C1] RSP: 002b:00007ffdf2e43358 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[  305.721901][    C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f7da178f7d7
[  305.721913][    C1] RDX: 0000000000000000 RSI: 0000000008400000 RDI: 00007f7d98800000
[  305.721922][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000003801d
[  305.721932][    C1] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000003
[  305.721942][    C1] R13: 00007ffdf2e43430 R14: 00007ffdf2e433f0 R15: 00007f7d98800000
[  305.721961][    C1]  </TASK>
[  305.722837][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  305.722854][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  305.722874][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  305.722885][   T31] Call Trace:
[  305.722894][   T31]  <TASK>
[  305.722902][   T31]  dump_stack_lvl+0x99/0x250
[  305.722927][   T31]  ? __asan_memcpy+0x40/0x70
[  305.722945][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  305.722966][   T31]  ? __pfx__printk+0x10/0x10
[  305.723010][   T31]  vpanic+0x237/0x6d0
[  305.723031][   T31]  ? __pfx_vpanic+0x10/0x10
[  305.723053][   T31]  ? preempt_schedule_common+0x83/0xd0
[  305.723080][   T31]  panic+0xb9/0xc0
[  305.723099][   T31]  ? __pfx_panic+0x10/0x10
[  305.723121][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  305.723143][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  305.723173][   T31]  watchdog+0xfdf/0xfe0
[  305.723203][   T31]  ? watchdog+0x20a/0xfe0
[  305.723233][   T31]  kthread+0x711/0x8a0
[  305.723259][   T31]  ? __pfx_watchdog+0x10/0x10
[  305.723282][   T31]  ? __pfx_kthread+0x10/0x10
[  305.723307][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  305.723326][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  305.723345][   T31]  ? __pfx_kthread+0x10/0x10
[  305.723368][   T31]  ret_from_fork+0x599/0xb30
[  305.723389][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  305.723416][   T31]  ? __switch_to_asm+0x39/0x70
[  305.723436][   T31]  ? __switch_to_asm+0x33/0x70
[  305.723457][   T31]  ? __pfx_kthread+0x10/0x10
[  305.723480][   T31]  ret_from_fork_asm+0x1a/0x30
[  305.723517][   T31]  </TASK>
[  306.320077][   T31] Kernel Offset: disabled
[  306.324859][   T31] Rebooting in 86400 seconds..