aw_spin_lock_init+0x45/0x100
[  198.854055][ T6717]  ? __init_swait_queue_head+0xa9/0x150
[  198.854078][ T6717]  gfs2_sys_fs_add+0x234/0x450
[  198.854100][ T6717]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  198.854122][ T6717]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  198.854145][ T6717]  gfs2_fill_super+0x13c0/0x20d0
[  198.854167][ T6717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  198.854185][ T6717]  ? sb_set_blocksize+0x104/0x180
[  198.854206][ T6717]  ? setup_bdev_super+0x4c1/0x5b0
[  198.854226][ T6717]  get_tree_bdev_flags+0x40e/0x4d0
[  198.854244][ T6717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  198.854262][ T6717]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  198.854283][ T6717]  gfs2_get_tree+0x51/0x1e0
[  198.854301][ T6717]  vfs_get_tree+0x92/0x2b0
[  198.854319][ T6717]  do_new_mount+0x2a2/0xa30
[  198.854338][ T6717]  ? ns_capable+0x8a/0xf0
[  198.854358][ T6717]  ? __pfx_do_new_mount+0x10/0x10
[  198.854376][ T6717]  ? path_mount+0x61c/0xfe0
[  198.854395][ T6717]  ? user_path_at+0x44/0x60
[  198.854413][ T6717]  __se_sys_mount+0x317/0x410
[  198.854434][ T6717]  ? __pfx___se_sys_mount+0x10/0x10
[  198.854454][ T6717]  ? rcu_is_watching+0x15/0xb0
[  198.854475][ T6717]  ? __x64_sys_mount+0x20/0xc0
[  198.854495][ T6717]  do_syscall_64+0xfa/0xfa0
[  198.854513][ T6717]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  198.854530][ T6717]  ? clear_bhb_loop+0x60/0xb0
[  198.854548][ T6717]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  198.854564][ T6717] RIP: 0033:0x7fbf81d9038a
[  198.854578][ T6717] 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
[  198.854593][ T6717] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  198.854612][ T6717] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  198.854626][ T6717] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  198.854639][ T6717] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  198.854651][ T6717] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  198.854663][ T6717] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  198.854682][ T6717]  </TASK>
[  199.153890][ T6717] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  199.168357][ T6717] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  199.391819][ T6720] loop1: detected capacity change from 0 to 32768
[  199.408922][ T6720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  199.416537][ T6720] CPU: 1 UID: 0 PID: 6720 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT(full) 
[  199.416560][ T6720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  199.416571][ T6720] Call Trace:
[  199.416579][ T6720]  <TASK>
[  199.416586][ T6720]  dump_stack_lvl+0x189/0x250
[  199.416612][ T6720]  ? __pfx_dump_stack_lvl+0x10/0x10
[  199.416631][ T6720]  ? __pfx__printk+0x10/0x10
[  199.416652][ T6720]  ? kernfs_root+0x1c/0x230
[  199.416670][ T6720]  ? kernfs_path_from_node+0x250/0x290
[  199.416685][ T6720]  ? kernfs_path_from_node+0x2f/0x290
[  199.416702][ T6720]  sysfs_create_dir_ns+0x259/0x280
[  199.416730][ T6720]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  199.416753][ T6720]  ? do_raw_spin_unlock+0x122/0x240
[  199.416773][ T6720]  kobject_add_internal+0x59f/0xb40
[  199.416797][ T6720]  kobject_init_and_add+0x125/0x190
[  199.416819][ T6720]  ? __pfx_kobject_init_and_add+0x10/0x10
[  199.416839][ T6720]  ? __raw_spin_lock_init+0x45/0x100
[  199.416856][ T6720]  ? __init_swait_queue_head+0xa9/0x150
[  199.416874][ T6720]  gfs2_sys_fs_add+0x234/0x450
[  199.416896][ T6720]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  199.416920][ T6720]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  199.416944][ T6720]  gfs2_fill_super+0x13c0/0x20d0
[  199.416968][ T6720]  ? __pfx_gfs2_fill_super+0x10/0x10
[  199.416987][ T6720]  ? sb_set_blocksize+0x104/0x180
[  199.417008][ T6720]  ? setup_bdev_super+0x4c1/0x5b0
[  199.417029][ T6720]  get_tree_bdev_flags+0x40e/0x4d0
[  199.417047][ T6720]  ? __pfx_gfs2_fill_super+0x10/0x10
[  199.417065][ T6720]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  199.417088][ T6720]  gfs2_get_tree+0x51/0x1e0
[  199.417106][ T6720]  vfs_get_tree+0x92/0x2b0
[  199.417125][ T6720]  do_new_mount+0x2a2/0xa30
[  199.417146][ T6720]  ? ns_capable+0x8a/0xf0
[  199.417167][ T6720]  ? __pfx_do_new_mount+0x10/0x10
[  199.417186][ T6720]  ? path_mount+0x61c/0xfe0
[  199.417204][ T6720]  ? user_path_at+0x44/0x60
[  199.417223][ T6720]  __se_sys_mount+0x317/0x410
[  199.417245][ T6720]  ? __pfx___se_sys_mount+0x10/0x10
[  199.417266][ T6720]  ? rcu_is_watching+0x15/0xb0
[  199.417287][ T6720]  ? __x64_sys_mount+0x20/0xc0
[  199.417308][ T6720]  do_syscall_64+0xfa/0xfa0
[  199.417327][ T6720]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  199.417344][ T6720]  ? clear_bhb_loop+0x60/0xb0
[  199.417362][ T6720]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  199.417379][ T6720] RIP: 0033:0x7fbf81d9038a
[  199.417394][ T6720] 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
[  199.417410][ T6720] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  199.417429][ T6720] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  199.417443][ T6720] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  199.417456][ T6720] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  199.417468][ T6720] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  199.417480][ T6720] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  199.417500][ T6720]  </TASK>
[  199.417519][ T6720] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  199.731990][ T6720] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  199.936177][ T6723] loop1: detected capacity change from 0 to 32768
[  199.955033][ T6723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  199.962428][ T6723] CPU: 0 UID: 0 PID: 6723 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT(full) 
[  199.962451][ T6723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  199.962461][ T6723] Call Trace:
[  199.962469][ T6723]  <TASK>
[  199.962476][ T6723]  dump_stack_lvl+0x189/0x250
[  199.962501][ T6723]  ? __pfx_dump_stack_lvl+0x10/0x10
[  199.962520][ T6723]  ? __pfx__printk+0x10/0x10
[  199.962538][ T6723]  ? kernfs_root+0x1c/0x230
[  199.962554][ T6723]  ? kernfs_path_from_node+0x250/0x290
[  199.962569][ T6723]  ? kernfs_path_from_node+0x2f/0x290
[  199.962585][ T6723]  sysfs_create_dir_ns+0x259/0x280
[  199.962610][ T6723]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  199.962632][ T6723]  ? do_raw_spin_unlock+0x122/0x240
[  199.962653][ T6723]  kobject_add_internal+0x59f/0xb40
[  199.962676][ T6723]  kobject_init_and_add+0x125/0x190
[  199.962697][ T6723]  ? __pfx_kobject_init_and_add+0x10/0x10
[  199.962714][ T6723]  ? __raw_spin_lock_init+0x45/0x100
[  199.962730][ T6723]  ? __init_swait_queue_head+0xa9/0x150
[  199.962773][ T6723]  gfs2_sys_fs_add+0x234/0x450
[  199.962796][ T6723]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  199.962818][ T6723]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  199.962841][ T6723]  gfs2_fill_super+0x13c0/0x20d0
[  199.962865][ T6723]  ? __pfx_gfs2_fill_super+0x10/0x10
[  199.962884][ T6723]  ? sb_set_blocksize+0x104/0x180
[  199.962904][ T6723]  ? setup_bdev_super+0x4c1/0x5b0
[  199.962923][ T6723]  get_tree_bdev_flags+0x40e/0x4d0
[  199.962942][ T6723]  ? __pfx_gfs2_fill_super+0x10/0x10
[  199.962960][ T6723]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  199.962983][ T6723]  gfs2_get_tree+0x51/0x1e0
[  199.962999][ T6723]  vfs_get_tree+0x92/0x2b0
[  199.963018][ T6723]  do_new_mount+0x2a2/0xa30
[  199.963038][ T6723]  ? ns_capable+0x8a/0xf0
[  199.963059][ T6723]  ? __pfx_do_new_mount+0x10/0x10
[  199.963076][ T6723]  ? path_mount+0x61c/0xfe0
[  199.963092][ T6723]  ? user_path_at+0x44/0x60
[  199.963111][ T6723]  __se_sys_mount+0x317/0x410
[  199.963132][ T6723]  ? __pfx___se_sys_mount+0x10/0x10
[  199.963153][ T6723]  ? rcu_is_watching+0x15/0xb0
[  199.963174][ T6723]  ? __x64_sys_mount+0x20/0xc0
[  199.963193][ T6723]  do_syscall_64+0xfa/0xfa0
[  199.963212][ T6723]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  199.963229][ T6723]  ? clear_bhb_loop+0x60/0xb0
[  199.963247][ T6723]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  199.963262][ T6723] RIP: 0033:0x7fbf81d9038a
[  199.963278][ T6723] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  199.963293][ T6723] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  199.963313][ T6723] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  199.963326][ T6723] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  199.963339][ T6723] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  199.963351][ T6723] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  199.963363][ T6723] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  199.963380][ T6723]  </TASK>
[  199.963399][ T6723] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  200.277801][ T6723] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 04:15:15 executed programs: 222
[  200.485064][ T6726] loop1: detected capacity change from 0 to 32768
[  200.498427][ T6726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  200.505934][ T6726] CPU: 0 UID: 0 PID: 6726 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT(full) 
[  200.505957][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  200.505968][ T6726] Call Trace:
[  200.505976][ T6726]  <TASK>
[  200.505983][ T6726]  dump_stack_lvl+0x189/0x250
[  200.506008][ T6726]  ? __pfx_dump_stack_lvl+0x10/0x10
[  200.506027][ T6726]  ? __pfx__printk+0x10/0x10
[  200.506046][ T6726]  ? kernfs_root+0x1c/0x230
[  200.506063][ T6726]  ? kernfs_path_from_node+0x250/0x290
[  200.506078][ T6726]  ? kernfs_path_from_node+0x2f/0x290
[  200.506095][ T6726]  sysfs_create_dir_ns+0x259/0x280
[  200.506122][ T6726]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  200.506144][ T6726]  ? do_raw_spin_unlock+0x122/0x240
[  200.506164][ T6726]  kobject_add_internal+0x59f/0xb40
[  200.506188][ T6726]  kobject_init_and_add+0x125/0x190
[  200.506211][ T6726]  ? __pfx_kobject_init_and_add+0x10/0x10
[  200.506230][ T6726]  ? __raw_spin_lock_init+0x45/0x100
[  200.506247][ T6726]  ? __init_swait_queue_head+0xa9/0x150
[  200.506265][ T6726]  gfs2_sys_fs_add+0x234/0x450
[  200.506288][ T6726]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  200.506312][ T6726]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  200.506335][ T6726]  gfs2_fill_super+0x13c0/0x20d0
[  200.506359][ T6726]  ? __pfx_gfs2_fill_super+0x10/0x10
[  200.506379][ T6726]  ? sb_set_blocksize+0x104/0x180
[  200.506399][ T6726]  ? setup_bdev_super+0x4c1/0x5b0
[  200.506419][ T6726]  get_tree_bdev_flags+0x40e/0x4d0
[  200.506437][ T6726]  ? __pfx_gfs2_fill_super+0x10/0x10
[  200.506455][ T6726]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  200.506477][ T6726]  gfs2_get_tree+0x51/0x1e0
[  200.506495][ T6726]  vfs_get_tree+0x92/0x2b0
[  200.506515][ T6726]  do_new_mount+0x2a2/0xa30
[  200.506536][ T6726]  ? ns_capable+0x8a/0xf0
[  200.506556][ T6726]  ? __pfx_do_new_mount+0x10/0x10
[  200.506575][ T6726]  ? path_mount+0x61c/0xfe0
[  200.506592][ T6726]  ? user_path_at+0x44/0x60
[  200.506611][ T6726]  __se_sys_mount+0x317/0x410
[  200.506633][ T6726]  ? __pfx___se_sys_mount+0x10/0x10
[  200.506655][ T6726]  ? rcu_is_watching+0x15/0xb0
[  200.506682][ T6726]  ? __x64_sys_mount+0x20/0xc0
[  200.506702][ T6726]  do_syscall_64+0xfa/0xfa0
[  200.506721][ T6726]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  200.506738][ T6726]  ? clear_bhb_loop+0x60/0xb0
[  200.506756][ T6726]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  200.506773][ T6726] RIP: 0033:0x7fbf81d9038a
[  200.506788][ T6726] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  200.506803][ T6726] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  200.506823][ T6726] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  200.506837][ T6726] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  200.506849][ T6726] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  200.506861][ T6726] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  200.506873][ T6726] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  200.506893][ T6726]  </TASK>
[  200.506911][ T6726] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  200.819980][ T6726] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  201.027991][ T6729] loop1: detected capacity change from 0 to 32768
[  201.036340][ T6729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  201.044063][ T6729] CPU: 0 UID: 0 PID: 6729 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT(full) 
[  201.044085][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  201.044095][ T6729] Call Trace:
[  201.044102][ T6729]  <TASK>
[  201.044108][ T6729]  dump_stack_lvl+0x189/0x250
[  201.044133][ T6729]  ? __pfx_dump_stack_lvl+0x10/0x10
[  201.044151][ T6729]  ? __pfx__printk+0x10/0x10
[  201.044170][ T6729]  ? kernfs_root+0x1c/0x230
[  201.044185][ T6729]  ? kernfs_path_from_node+0x250/0x290
[  201.044199][ T6729]  ? kernfs_path_from_node+0x2f/0x290
[  201.044214][ T6729]  sysfs_create_dir_ns+0x259/0x280
[  201.044238][ T6729]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  201.044260][ T6729]  ? do_raw_spin_unlock+0x122/0x240
[  201.044278][ T6729]  kobject_add_internal+0x59f/0xb40
[  201.044302][ T6729]  kobject_init_and_add+0x125/0x190
[  201.044323][ T6729]  ? __pfx_kobject_init_and_add+0x10/0x10
[  201.044342][ T6729]  ? __raw_spin_lock_init+0x45/0x100
[  201.044359][ T6729]  ? __init_swait_queue_head+0xa9/0x150
[  201.044379][ T6729]  gfs2_sys_fs_add+0x234/0x450
[  201.044400][ T6729]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  201.044421][ T6729]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  201.044442][ T6729]  gfs2_fill_super+0x13c0/0x20d0
[  201.044467][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.044485][ T6729]  ? sb_set_blocksize+0x104/0x180
[  201.044505][ T6729]  ? setup_bdev_super+0x4c1/0x5b0
[  201.044525][ T6729]  get_tree_bdev_flags+0x40e/0x4d0
[  201.044542][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.044560][ T6729]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  201.044582][ T6729]  gfs2_get_tree+0x51/0x1e0
[  201.044609][ T6729]  vfs_get_tree+0x92/0x2b0
[  201.044628][ T6729]  do_new_mount+0x2a2/0xa30
[  201.044649][ T6729]  ? ns_capable+0x8a/0xf0
[  201.044670][ T6729]  ? __pfx_do_new_mount+0x10/0x10
[  201.044688][ T6729]  ? path_mount+0x61c/0xfe0
[  201.044705][ T6729]  ? user_path_at+0x44/0x60
[  201.044724][ T6729]  __se_sys_mount+0x317/0x410
[  201.044746][ T6729]  ? __pfx___se_sys_mount+0x10/0x10
[  201.044767][ T6729]  ? rcu_is_watching+0x15/0xb0
[  201.044788][ T6729]  ? __x64_sys_mount+0x20/0xc0
[  201.044808][ T6729]  do_syscall_64+0xfa/0xfa0
[  201.044827][ T6729]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.044843][ T6729]  ? clear_bhb_loop+0x60/0xb0
[  201.044861][ T6729]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.044876][ T6729] RIP: 0033:0x7fbf81d9038a
[  201.044892][ T6729] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  201.044907][ T6729] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  201.044926][ T6729] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  201.044940][ T6729] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  201.044952][ T6729] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  201.044963][ T6729] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  201.044974][ T6729] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  201.044994][ T6729]  </TASK>
[  201.349601][ T6729] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  201.363546][ T6729] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  201.577344][ T6732] loop1: detected capacity change from 0 to 32768
[  201.587150][ T6732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  201.594854][ T6732] CPU: 1 UID: 0 PID: 6732 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT(full) 
[  201.594876][ T6732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  201.594887][ T6732] Call Trace:
[  201.594894][ T6732]  <TASK>
[  201.594901][ T6732]  dump_stack_lvl+0x189/0x250
[  201.594927][ T6732]  ? __pfx_dump_stack_lvl+0x10/0x10
[  201.594945][ T6732]  ? __pfx__printk+0x10/0x10
[  201.594965][ T6732]  ? kernfs_root+0x1c/0x230
[  201.594982][ T6732]  ? kernfs_path_from_node+0x250/0x290
[  201.594996][ T6732]  ? kernfs_path_from_node+0x2f/0x290
[  201.595011][ T6732]  sysfs_create_dir_ns+0x259/0x280
[  201.595033][ T6732]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  201.595053][ T6732]  ? do_raw_spin_unlock+0x122/0x240
[  201.595072][ T6732]  kobject_add_internal+0x59f/0xb40
[  201.595095][ T6732]  kobject_init_and_add+0x125/0x190
[  201.595116][ T6732]  ? __pfx_kobject_init_and_add+0x10/0x10
[  201.595134][ T6732]  ? __raw_spin_lock_init+0x45/0x100
[  201.595151][ T6732]  ? __init_swait_queue_head+0xa9/0x150
[  201.595168][ T6732]  gfs2_sys_fs_add+0x234/0x450
[  201.595190][ T6732]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  201.595212][ T6732]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  201.595235][ T6732]  gfs2_fill_super+0x13c0/0x20d0
[  201.595259][ T6732]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.595278][ T6732]  ? sb_set_blocksize+0x104/0x180
[  201.595299][ T6732]  ? setup_bdev_super+0x4c1/0x5b0
[  201.595319][ T6732]  get_tree_bdev_flags+0x40e/0x4d0
[  201.595337][ T6732]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.595354][ T6732]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  201.595374][ T6732]  gfs2_get_tree+0x51/0x1e0
[  201.595391][ T6732]  vfs_get_tree+0x92/0x2b0
[  201.595410][ T6732]  do_new_mount+0x2a2/0xa30
[  201.595430][ T6732]  ? ns_capable+0x8a/0xf0
[  201.595451][ T6732]  ? __pfx_do_new_mount+0x10/0x10
[  201.595469][ T6732]  ? path_mount+0x61c/0xfe0
[  201.595486][ T6732]  ? user_path_at+0x44/0x60
[  201.595504][ T6732]  __se_sys_mount+0x317/0x410
[  201.595544][ T6732]  ? __pfx___se_sys_mount+0x10/0x10
[  201.595564][ T6732]  ? rcu_is_watching+0x15/0xb0
[  201.595592][ T6732]  ? __x64_sys_mount+0x20/0xc0
[  201.595612][ T6732]  do_syscall_64+0xfa/0xfa0
[  201.595632][ T6732]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.595649][ T6732]  ? clear_bhb_loop+0x60/0xb0
[  201.595667][ T6732]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.595682][ T6732] RIP: 0033:0x7fbf81d9038a
[  201.595698][ T6732] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  201.595711][ T6732] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  201.595730][ T6732] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  201.595742][ T6732] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  201.595754][ T6732] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  201.595766][ T6732] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  201.595777][ T6732] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  201.595795][ T6732]  </TASK>
[  201.595813][ T6732] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  201.910997][ T6732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  202.109809][ T6735] loop1: detected capacity change from 0 to 32768
[  202.150690][ T6735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  202.158437][ T6735] CPU: 1 UID: 0 PID: 6735 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT(full) 
[  202.158460][ T6735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  202.158471][ T6735] Call Trace:
[  202.158479][ T6735]  <TASK>
[  202.158486][ T6735]  dump_stack_lvl+0x189/0x250
[  202.158519][ T6735]  ? __pfx_dump_stack_lvl+0x10/0x10
[  202.158538][ T6735]  ? __pfx__printk+0x10/0x10
[  202.158557][ T6735]  ? kernfs_root+0x1c/0x230
[  202.158574][ T6735]  ? kernfs_path_from_node+0x250/0x290
[  202.158589][ T6735]  ? kernfs_path_from_node+0x2f/0x290
[  202.158605][ T6735]  sysfs_create_dir_ns+0x259/0x280
[  202.158628][ T6735]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  202.158650][ T6735]  ? do_raw_spin_unlock+0x122/0x240
[  202.158668][ T6735]  kobject_add_internal+0x59f/0xb40
[  202.158691][ T6735]  kobject_init_and_add+0x125/0x190
[  202.158713][ T6735]  ? __pfx_kobject_init_and_add+0x10/0x10
[  202.158733][ T6735]  ? __raw_spin_lock_init+0x45/0x100
[  202.158750][ T6735]  ? __init_swait_queue_head+0xa9/0x150
[  202.158767][ T6735]  gfs2_sys_fs_add+0x234/0x450
[  202.158789][ T6735]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  202.158811][ T6735]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  202.158834][ T6735]  gfs2_fill_super+0x13c0/0x20d0
[  202.158858][ T6735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.158878][ T6735]  ? sb_set_blocksize+0x104/0x180
[  202.158898][ T6735]  ? setup_bdev_super+0x4c1/0x5b0
[  202.158918][ T6735]  get_tree_bdev_flags+0x40e/0x4d0
[  202.158935][ T6735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.158952][ T6735]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  202.158973][ T6735]  gfs2_get_tree+0x51/0x1e0
[  202.158990][ T6735]  vfs_get_tree+0x92/0x2b0
[  202.159008][ T6735]  do_new_mount+0x2a2/0xa30
[  202.159030][ T6735]  ? ns_capable+0x8a/0xf0
[  202.159051][ T6735]  ? __pfx_do_new_mount+0x10/0x10
[  202.159070][ T6735]  ? path_mount+0x61c/0xfe0
[  202.159087][ T6735]  ? user_path_at+0x44/0x60
[  202.159106][ T6735]  __se_sys_mount+0x317/0x410
[  202.159128][ T6735]  ? __pfx___se_sys_mount+0x10/0x10
[  202.159149][ T6735]  ? rcu_is_watching+0x15/0xb0
[  202.159170][ T6735]  ? __x64_sys_mount+0x20/0xc0
[  202.159191][ T6735]  do_syscall_64+0xfa/0xfa0
[  202.159210][ T6735]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.159226][ T6735]  ? clear_bhb_loop+0x60/0xb0
[  202.159244][ T6735]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.159260][ T6735] RIP: 0033:0x7fbf81d9038a
[  202.159276][ T6735] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  202.159291][ T6735] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  202.159311][ T6735] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  202.159325][ T6735] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  202.159338][ T6735] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  202.159349][ T6735] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  202.159361][ T6735] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  202.159381][ T6735]  </TASK>
[  202.159399][ T6735] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  202.475376][ T6735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  202.681782][ T6738] loop1: detected capacity change from 0 to 32768
[  202.702404][ T6738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  202.709945][ T6738] CPU: 0 UID: 0 PID: 6738 Comm: syz.1.241 Not tainted syzkaller #0 PREEMPT(full) 
[  202.709966][ T6738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  202.709976][ T6738] Call Trace:
[  202.709983][ T6738]  <TASK>
[  202.709990][ T6738]  dump_stack_lvl+0x189/0x250
[  202.710014][ T6738]  ? __pfx_dump_stack_lvl+0x10/0x10
[  202.710032][ T6738]  ? __pfx__printk+0x10/0x10
[  202.710051][ T6738]  ? kernfs_root+0x1c/0x230
[  202.710067][ T6738]  ? kernfs_path_from_node+0x250/0x290
[  202.710081][ T6738]  ? kernfs_path_from_node+0x2f/0x290
[  202.710096][ T6738]  sysfs_create_dir_ns+0x259/0x280
[  202.710120][ T6738]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  202.710142][ T6738]  ? do_raw_spin_unlock+0x122/0x240
[  202.710162][ T6738]  kobject_add_internal+0x59f/0xb40
[  202.710184][ T6738]  kobject_init_and_add+0x125/0x190
[  202.710205][ T6738]  ? __pfx_kobject_init_and_add+0x10/0x10
[  202.710223][ T6738]  ? __raw_spin_lock_init+0x45/0x100
[  202.710239][ T6738]  ? __init_swait_queue_head+0xa9/0x150
[  202.710255][ T6738]  gfs2_sys_fs_add+0x234/0x450
[  202.710276][ T6738]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  202.710299][ T6738]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  202.710321][ T6738]  gfs2_fill_super+0x13c0/0x20d0
[  202.710345][ T6738]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.710363][ T6738]  ? sb_set_blocksize+0x104/0x180
[  202.710384][ T6738]  ? setup_bdev_super+0x4c1/0x5b0
[  202.710403][ T6738]  get_tree_bdev_flags+0x40e/0x4d0
[  202.710421][ T6738]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.710439][ T6738]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  202.710460][ T6738]  gfs2_get_tree+0x51/0x1e0
[  202.710477][ T6738]  vfs_get_tree+0x92/0x2b0
[  202.710495][ T6738]  do_new_mount+0x2a2/0xa30
[  202.710515][ T6738]  ? ns_capable+0x8a/0xf0
[  202.710537][ T6738]  ? __pfx_do_new_mount+0x10/0x10
[  202.710556][ T6738]  ? path_mount+0x61c/0xfe0
[  202.710574][ T6738]  ? user_path_at+0x44/0x60
[  202.710592][ T6738]  __se_sys_mount+0x317/0x410
[  202.710613][ T6738]  ? __pfx___se_sys_mount+0x10/0x10
[  202.710633][ T6738]  ? rcu_is_watching+0x15/0xb0
[  202.710653][ T6738]  ? __x64_sys_mount+0x20/0xc0
[  202.710672][ T6738]  do_syscall_64+0xfa/0xfa0
[  202.710701][ T6738]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.710718][ T6738]  ? clear_bhb_loop+0x60/0xb0
[  202.710735][ T6738]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.710751][ T6738] RIP: 0033:0x7fbf81d9038a
[  202.710766][ T6738] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  202.710781][ T6738] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  202.710800][ T6738] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  202.710813][ T6738] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  202.710826][ T6738] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  202.710838][ T6738] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  202.710849][ T6738] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  202.710866][ T6738]  </TASK>
[  202.710890][ T6738] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  203.024985][ T6738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  203.227252][ T6741] loop1: detected capacity change from 0 to 32768
[  203.244809][ T6741] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  203.252420][ T6741] CPU: 1 UID: 0 PID: 6741 Comm: syz.1.242 Not tainted syzkaller #0 PREEMPT(full) 
[  203.252443][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  203.252454][ T6741] Call Trace:
[  203.252462][ T6741]  <TASK>
[  203.252470][ T6741]  dump_stack_lvl+0x189/0x250
[  203.252495][ T6741]  ? __pfx_dump_stack_lvl+0x10/0x10
[  203.252513][ T6741]  ? __pfx__printk+0x10/0x10
[  203.252532][ T6741]  ? kernfs_root+0x1c/0x230
[  203.252549][ T6741]  ? kernfs_path_from_node+0x250/0x290
[  203.252563][ T6741]  ? kernfs_path_from_node+0x2f/0x290
[  203.252579][ T6741]  sysfs_create_dir_ns+0x259/0x280
[  203.252599][ T6741]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  203.252619][ T6741]  ? do_raw_spin_unlock+0x122/0x240
[  203.252648][ T6741]  kobject_add_internal+0x59f/0xb40
[  203.252672][ T6741]  kobject_init_and_add+0x125/0x190
[  203.252693][ T6741]  ? __pfx_kobject_init_and_add+0x10/0x10
[  203.252712][ T6741]  ? __raw_spin_lock_init+0x45/0x100
[  203.252728][ T6741]  ? __init_swait_queue_head+0xa9/0x150
[  203.252745][ T6741]  gfs2_sys_fs_add+0x234/0x450
[  203.252768][ T6741]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  203.252790][ T6741]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  203.252813][ T6741]  gfs2_fill_super+0x13c0/0x20d0
[  203.252837][ T6741]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.252857][ T6741]  ? sb_set_blocksize+0x104/0x180
[  203.252878][ T6741]  ? setup_bdev_super+0x4c1/0x5b0
[  203.252898][ T6741]  get_tree_bdev_flags+0x40e/0x4d0
[  203.252916][ T6741]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.252932][ T6741]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  203.252954][ T6741]  gfs2_get_tree+0x51/0x1e0
[  203.252971][ T6741]  vfs_get_tree+0x92/0x2b0
[  203.252989][ T6741]  do_new_mount+0x2a2/0xa30
[  203.253009][ T6741]  ? ns_capable+0x8a/0xf0
[  203.253030][ T6741]  ? __pfx_do_new_mount+0x10/0x10
[  203.253048][ T6741]  ? path_mount+0x61c/0xfe0
[  203.253064][ T6741]  ? user_path_at+0x44/0x60
[  203.253083][ T6741]  __se_sys_mount+0x317/0x410
[  203.253105][ T6741]  ? __pfx___se_sys_mount+0x10/0x10
[  203.253126][ T6741]  ? rcu_is_watching+0x15/0xb0
[  203.253146][ T6741]  ? __x64_sys_mount+0x20/0xc0
[  203.253166][ T6741]  do_syscall_64+0xfa/0xfa0
[  203.253184][ T6741]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.253202][ T6741]  ? clear_bhb_loop+0x60/0xb0
[  203.253220][ T6741]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.253236][ T6741] RIP: 0033:0x7fbf81d9038a
[  203.253252][ T6741] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  203.253267][ T6741] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  203.253286][ T6741] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  203.253299][ T6741] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  203.253310][ T6741] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  203.253321][ T6741] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  203.253332][ T6741] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  203.253351][ T6741]  </TASK>
[  203.253370][ T6741] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  203.566150][ T6741] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  203.771884][ T6744] loop1: detected capacity change from 0 to 32768
[  203.795914][ T6744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  203.803413][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz.1.243 Not tainted syzkaller #0 PREEMPT(full) 
[  203.803437][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  203.803447][ T6744] Call Trace:
[  203.803455][ T6744]  <TASK>
[  203.803462][ T6744]  dump_stack_lvl+0x189/0x250
[  203.803486][ T6744]  ? __pfx_dump_stack_lvl+0x10/0x10
[  203.803505][ T6744]  ? __pfx__printk+0x10/0x10
[  203.803525][ T6744]  ? kernfs_root+0x1c/0x230
[  203.803542][ T6744]  ? kernfs_path_from_node+0x250/0x290
[  203.803556][ T6744]  ? kernfs_path_from_node+0x2f/0x290
[  203.803572][ T6744]  sysfs_create_dir_ns+0x259/0x280
[  203.803594][ T6744]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  203.803616][ T6744]  ? do_raw_spin_unlock+0x122/0x240
[  203.803636][ T6744]  kobject_add_internal+0x59f/0xb40
[  203.803660][ T6744]  kobject_init_and_add+0x125/0x190
[  203.803692][ T6744]  ? __pfx_kobject_init_and_add+0x10/0x10
[  203.803712][ T6744]  ? __raw_spin_lock_init+0x45/0x100
[  203.803729][ T6744]  ? __init_swait_queue_head+0xa9/0x150
[  203.803745][ T6744]  gfs2_sys_fs_add+0x234/0x450
[  203.803768][ T6744]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  203.803793][ T6744]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  203.803817][ T6744]  gfs2_fill_super+0x13c0/0x20d0
[  203.803841][ T6744]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.803859][ T6744]  ? sb_set_blocksize+0x104/0x180
[  203.803880][ T6744]  ? setup_bdev_super+0x4c1/0x5b0
[  203.803900][ T6744]  get_tree_bdev_flags+0x40e/0x4d0
[  203.803919][ T6744]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.803937][ T6744]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  203.803960][ T6744]  gfs2_get_tree+0x51/0x1e0
[  203.803978][ T6744]  vfs_get_tree+0x92/0x2b0
[  203.803997][ T6744]  do_new_mount+0x2a2/0xa30
[  203.804017][ T6744]  ? ns_capable+0x8a/0xf0
[  203.804038][ T6744]  ? __pfx_do_new_mount+0x10/0x10
[  203.804057][ T6744]  ? path_mount+0x61c/0xfe0
[  203.804075][ T6744]  ? user_path_at+0x44/0x60
[  203.804094][ T6744]  __se_sys_mount+0x317/0x410
[  203.804115][ T6744]  ? __pfx___se_sys_mount+0x10/0x10
[  203.804136][ T6744]  ? rcu_is_watching+0x15/0xb0
[  203.804156][ T6744]  ? __x64_sys_mount+0x20/0xc0
[  203.804177][ T6744]  do_syscall_64+0xfa/0xfa0
[  203.804197][ T6744]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.804214][ T6744]  ? clear_bhb_loop+0x60/0xb0
[  203.804232][ T6744]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.804248][ T6744] RIP: 0033:0x7fbf81d9038a
[  203.804264][ T6744] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  203.804278][ T6744] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  203.804297][ T6744] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  203.804317][ T6744] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  203.804330][ T6744] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  203.804342][ T6744] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  203.804354][ T6744] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  203.804378][ T6744]  </TASK>
[  204.105431][ T6744] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.120025][ T6744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.331709][ T6747] loop1: detected capacity change from 0 to 32768
[  204.339922][ T6747] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.347935][ T6747] CPU: 1 UID: 0 PID: 6747 Comm: syz.1.244 Not tainted syzkaller #0 PREEMPT(full) 
[  204.347957][ T6747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.347968][ T6747] Call Trace:
[  204.347974][ T6747]  <TASK>
[  204.347981][ T6747]  dump_stack_lvl+0x189/0x250
[  204.348005][ T6747]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.348022][ T6747]  ? __pfx__printk+0x10/0x10
[  204.348041][ T6747]  ? kernfs_root+0x1c/0x230
[  204.348057][ T6747]  ? kernfs_path_from_node+0x250/0x290
[  204.348072][ T6747]  ? kernfs_path_from_node+0x2f/0x290
[  204.348088][ T6747]  sysfs_create_dir_ns+0x259/0x280
[  204.348110][ T6747]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.348131][ T6747]  ? do_raw_spin_unlock+0x122/0x240
[  204.348150][ T6747]  kobject_add_internal+0x59f/0xb40
[  204.348173][ T6747]  kobject_init_and_add+0x125/0x190
[  204.348194][ T6747]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.348212][ T6747]  ? __raw_spin_lock_init+0x45/0x100
[  204.348229][ T6747]  ? __init_swait_queue_head+0xa9/0x150
[  204.348246][ T6747]  gfs2_sys_fs_add+0x234/0x450
[  204.348270][ T6747]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.348293][ T6747]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.348315][ T6747]  gfs2_fill_super+0x13c0/0x20d0
[  204.348338][ T6747]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.348357][ T6747]  ? sb_set_blocksize+0x104/0x180
[  204.348377][ T6747]  ? setup_bdev_super+0x4c1/0x5b0
[  204.348395][ T6747]  get_tree_bdev_flags+0x40e/0x4d0
[  204.348413][ T6747]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.348430][ T6747]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.348452][ T6747]  gfs2_get_tree+0x51/0x1e0
[  204.348470][ T6747]  vfs_get_tree+0x92/0x2b0
[  204.348489][ T6747]  do_new_mount+0x2a2/0xa30
[  204.348509][ T6747]  ? ns_capable+0x8a/0xf0
[  204.348530][ T6747]  ? __pfx_do_new_mount+0x10/0x10
[  204.348548][ T6747]  ? path_mount+0x61c/0xfe0
[  204.348572][ T6747]  ? user_path_at+0x44/0x60
[  204.348591][ T6747]  __se_sys_mount+0x317/0x410
[  204.348613][ T6747]  ? __pfx___se_sys_mount+0x10/0x10
[  204.348635][ T6747]  ? rcu_is_watching+0x15/0xb0
[  204.348655][ T6747]  ? __x64_sys_mount+0x20/0xc0
[  204.348675][ T6747]  do_syscall_64+0xfa/0xfa0
[  204.348694][ T6747]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.348710][ T6747]  ? clear_bhb_loop+0x60/0xb0
[  204.348727][ T6747]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.348742][ T6747] RIP: 0033:0x7fbf81d9038a
[  204.348757][ T6747] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  204.348772][ T6747] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.348791][ T6747] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  204.348804][ T6747] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  204.348816][ T6747] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  204.348827][ T6747] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  204.348839][ T6747] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  204.348858][ T6747]  </TASK>
[  204.348895][ T6747] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.669635][ T6747] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.875137][ T6750] loop1: detected capacity change from 0 to 32768
[  204.891530][ T6750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.899080][ T6750] CPU: 1 UID: 0 PID: 6750 Comm: syz.1.245 Not tainted syzkaller #0 PREEMPT(full) 
[  204.899101][ T6750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.899112][ T6750] Call Trace:
[  204.899119][ T6750]  <TASK>
[  204.899126][ T6750]  dump_stack_lvl+0x189/0x250
[  204.899151][ T6750]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.899170][ T6750]  ? __pfx__printk+0x10/0x10
[  204.899190][ T6750]  ? kernfs_root+0x1c/0x230
[  204.899207][ T6750]  ? kernfs_path_from_node+0x250/0x290
[  204.899222][ T6750]  ? kernfs_path_from_node+0x2f/0x290
[  204.899239][ T6750]  sysfs_create_dir_ns+0x259/0x280
[  204.899260][ T6750]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.899282][ T6750]  ? do_raw_spin_unlock+0x122/0x240
[  204.899301][ T6750]  kobject_add_internal+0x59f/0xb40
[  204.899325][ T6750]  kobject_init_and_add+0x125/0x190
[  204.899347][ T6750]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.899367][ T6750]  ? __raw_spin_lock_init+0x45/0x100
[  204.899384][ T6750]  ? __init_swait_queue_head+0xa9/0x150
[  204.899401][ T6750]  gfs2_sys_fs_add+0x234/0x450
[  204.899423][ T6750]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.899446][ T6750]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.899470][ T6750]  gfs2_fill_super+0x13c0/0x20d0
[  204.899494][ T6750]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.899520][ T6750]  ? sb_set_blocksize+0x104/0x180
[  204.899541][ T6750]  ? setup_bdev_super+0x4c1/0x5b0
[  204.899561][ T6750]  get_tree_bdev_flags+0x40e/0x4d0
[  204.899578][ T6750]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.899596][ T6750]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.899619][ T6750]  gfs2_get_tree+0x51/0x1e0
[  204.899637][ T6750]  vfs_get_tree+0x92/0x2b0
[  204.899656][ T6750]  do_new_mount+0x2a2/0xa30
[  204.899677][ T6750]  ? ns_capable+0x8a/0xf0
[  204.899700][ T6750]  ? __pfx_do_new_mount+0x10/0x10
[  204.899718][ T6750]  ? path_mount+0x61c/0xfe0
[  204.899736][ T6750]  ? user_path_at+0x44/0x60
[  204.899755][ T6750]  __se_sys_mount+0x317/0x410
[  204.899777][ T6750]  ? __pfx___se_sys_mount+0x10/0x10
[  204.899799][ T6750]  ? rcu_is_watching+0x15/0xb0
[  204.899819][ T6750]  ? __x64_sys_mount+0x20/0xc0
[  204.899838][ T6750]  do_syscall_64+0xfa/0xfa0
[  204.899858][ T6750]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.899873][ T6750]  ? clear_bhb_loop+0x60/0xb0
[  204.899890][ T6750]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.899906][ T6750] RIP: 0033:0x7fbf81d9038a
[  204.899920][ T6750] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  204.899934][ T6750] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.899953][ T6750] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  204.899966][ T6750] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  204.899978][ T6750] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  204.899988][ T6750] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  204.899999][ T6750] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  204.900017][ T6750]  </TASK>
[  204.900035][ T6750] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.218885][ T6750] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.451201][ T6753] loop1: detected capacity change from 0 to 32768
[  205.476487][ T6753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.483979][ T6753] CPU: 0 UID: 0 PID: 6753 Comm: syz.1.246 Not tainted syzkaller #0 PREEMPT(full) 
[  205.484002][ T6753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  205.484014][ T6753] Call Trace:
[  205.484021][ T6753]  <TASK>
[  205.484029][ T6753]  dump_stack_lvl+0x189/0x250
[  205.484054][ T6753]  ? __pfx_dump_stack_lvl+0x10/0x10
[  205.484073][ T6753]  ? __pfx__printk+0x10/0x10
[  205.484092][ T6753]  ? kernfs_root+0x1c/0x230
[  205.484109][ T6753]  ? kernfs_path_from_node+0x250/0x290
[  205.484124][ T6753]  ? kernfs_path_from_node+0x2f/0x290
[  205.484148][ T6753]  sysfs_create_dir_ns+0x259/0x280
[  205.484172][ T6753]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  205.484199][ T6753]  ? do_raw_spin_unlock+0x122/0x240
[  205.484218][ T6753]  kobject_add_internal+0x59f/0xb40
[  205.484242][ T6753]  kobject_init_and_add+0x125/0x190
[  205.484264][ T6753]  ? __pfx_kobject_init_and_add+0x10/0x10
[  205.484284][ T6753]  ? __raw_spin_lock_init+0x45/0x100
[  205.484301][ T6753]  ? __init_swait_queue_head+0xa9/0x150
[  205.484318][ T6753]  gfs2_sys_fs_add+0x234/0x450
[  205.484341][ T6753]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  205.484365][ T6753]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  205.484390][ T6753]  gfs2_fill_super+0x13c0/0x20d0
[  205.484411][ T6753]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.484428][ T6753]  ? sb_set_blocksize+0x104/0x180
[  205.484449][ T6753]  ? setup_bdev_super+0x4c1/0x5b0
[  205.484468][ T6753]  get_tree_bdev_flags+0x40e/0x4d0
[  205.484485][ T6753]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.484500][ T6753]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  205.484521][ T6753]  gfs2_get_tree+0x51/0x1e0
[  205.484540][ T6753]  vfs_get_tree+0x92/0x2b0
[  205.484559][ T6753]  do_new_mount+0x2a2/0xa30
[  205.484580][ T6753]  ? ns_capable+0x8a/0xf0
[  205.484602][ T6753]  ? __pfx_do_new_mount+0x10/0x10
[  205.484621][ T6753]  ? path_mount+0x61c/0xfe0
[  205.484638][ T6753]  ? user_path_at+0x44/0x60
[  205.484657][ T6753]  __se_sys_mount+0x317/0x410
[  205.484679][ T6753]  ? __pfx___se_sys_mount+0x10/0x10
[  205.484700][ T6753]  ? rcu_is_watching+0x15/0xb0
[  205.484721][ T6753]  ? __x64_sys_mount+0x20/0xc0
[  205.484741][ T6753]  do_syscall_64+0xfa/0xfa0
[  205.484760][ T6753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.484777][ T6753]  ? clear_bhb_loop+0x60/0xb0
[  205.484795][ T6753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.484812][ T6753] RIP: 0033:0x7fbf81d9038a
[  205.484829][ T6753] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  205.484845][ T6753] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.484865][ T6753] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  205.484878][ T6753] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  205.484892][ T6753] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  205.484904][ T6753] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  205.484916][ T6753] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  205.484935][ T6753]  </TASK>
[  205.786460][ T6753] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.800611][ T6753] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 04:15:21 executed programs: 232
[  206.013626][ T6756] loop1: detected capacity change from 0 to 32768
[  206.039248][ T6756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.046971][ T6756] CPU: 1 UID: 0 PID: 6756 Comm: syz.1.247 Not tainted syzkaller #0 PREEMPT(full) 
[  206.046995][ T6756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.047006][ T6756] Call Trace:
[  206.047014][ T6756]  <TASK>
[  206.047021][ T6756]  dump_stack_lvl+0x189/0x250
[  206.047045][ T6756]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.047064][ T6756]  ? __pfx__printk+0x10/0x10
[  206.047083][ T6756]  ? kernfs_root+0x1c/0x230
[  206.047101][ T6756]  ? kernfs_path_from_node+0x250/0x290
[  206.047116][ T6756]  ? kernfs_path_from_node+0x2f/0x290
[  206.047133][ T6756]  sysfs_create_dir_ns+0x259/0x280
[  206.047165][ T6756]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.047187][ T6756]  ? do_raw_spin_unlock+0x122/0x240
[  206.047205][ T6756]  kobject_add_internal+0x59f/0xb40
[  206.047229][ T6756]  kobject_init_and_add+0x125/0x190
[  206.047251][ T6756]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.047270][ T6756]  ? __raw_spin_lock_init+0x45/0x100
[  206.047288][ T6756]  ? __init_swait_queue_head+0xa9/0x150
[  206.047305][ T6756]  gfs2_sys_fs_add+0x234/0x450
[  206.047327][ T6756]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.047351][ T6756]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.047375][ T6756]  gfs2_fill_super+0x13c0/0x20d0
[  206.047399][ T6756]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.047418][ T6756]  ? sb_set_blocksize+0x104/0x180
[  206.047438][ T6756]  ? setup_bdev_super+0x4c1/0x5b0
[  206.047457][ T6756]  get_tree_bdev_flags+0x40e/0x4d0
[  206.047475][ T6756]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.047493][ T6756]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.047516][ T6756]  gfs2_get_tree+0x51/0x1e0
[  206.047535][ T6756]  vfs_get_tree+0x92/0x2b0
[  206.047554][ T6756]  do_new_mount+0x2a2/0xa30
[  206.047575][ T6756]  ? ns_capable+0x8a/0xf0
[  206.047595][ T6756]  ? __pfx_do_new_mount+0x10/0x10
[  206.047614][ T6756]  ? path_mount+0x61c/0xfe0
[  206.047632][ T6756]  ? user_path_at+0x44/0x60
[  206.047651][ T6756]  __se_sys_mount+0x317/0x410
[  206.047673][ T6756]  ? __pfx___se_sys_mount+0x10/0x10
[  206.047694][ T6756]  ? rcu_is_watching+0x15/0xb0
[  206.047713][ T6756]  ? __x64_sys_mount+0x20/0xc0
[  206.047733][ T6756]  do_syscall_64+0xfa/0xfa0
[  206.047753][ T6756]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.047769][ T6756]  ? clear_bhb_loop+0x60/0xb0
[  206.047787][ T6756]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.047804][ T6756] RIP: 0033:0x7fbf81d9038a
[  206.047819][ T6756] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  206.047833][ T6756] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.047853][ T6756] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  206.047867][ T6756] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  206.047880][ T6756] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  206.047892][ T6756] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  206.047904][ T6756] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  206.047923][ T6756]  </TASK>
[  206.047941][ T6756] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.362128][ T6756] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.564136][ T6759] loop1: detected capacity change from 0 to 32768
[  206.570658][ T5185] Bluetooth: hci1: command 0x0406 tx timeout
[  206.584087][ T6759] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.591789][ T6759] CPU: 1 UID: 0 PID: 6759 Comm: syz.1.248 Not tainted syzkaller #0 PREEMPT(full) 
[  206.591812][ T6759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.591823][ T6759] Call Trace:
[  206.591830][ T6759]  <TASK>
[  206.591837][ T6759]  dump_stack_lvl+0x189/0x250
[  206.591862][ T6759]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.591881][ T6759]  ? __pfx__printk+0x10/0x10
[  206.591900][ T6759]  ? kernfs_root+0x1c/0x230
[  206.591917][ T6759]  ? kernfs_path_from_node+0x250/0x290
[  206.591932][ T6759]  ? kernfs_path_from_node+0x2f/0x290
[  206.591948][ T6759]  sysfs_create_dir_ns+0x259/0x280
[  206.591971][ T6759]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.591993][ T6759]  ? do_raw_spin_unlock+0x122/0x240
[  206.592011][ T6759]  kobject_add_internal+0x59f/0xb40
[  206.592034][ T6759]  kobject_init_and_add+0x125/0x190
[  206.592054][ T6759]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.592073][ T6759]  ? __raw_spin_lock_init+0x45/0x100
[  206.592090][ T6759]  ? __init_swait_queue_head+0xa9/0x150
[  206.592117][ T6759]  gfs2_sys_fs_add+0x234/0x450
[  206.592138][ T6759]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.592162][ T6759]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.592186][ T6759]  gfs2_fill_super+0x13c0/0x20d0
[  206.592210][ T6759]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.592230][ T6759]  ? sb_set_blocksize+0x104/0x180
[  206.592249][ T6759]  ? setup_bdev_super+0x4c1/0x5b0
[  206.592269][ T6759]  get_tree_bdev_flags+0x40e/0x4d0
[  206.592286][ T6759]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.592302][ T6759]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.592323][ T6759]  gfs2_get_tree+0x51/0x1e0
[  206.592340][ T6759]  vfs_get_tree+0x92/0x2b0
[  206.592358][ T6759]  do_new_mount+0x2a2/0xa30
[  206.592378][ T6759]  ? ns_capable+0x8a/0xf0
[  206.592398][ T6759]  ? __pfx_do_new_mount+0x10/0x10
[  206.592416][ T6759]  ? path_mount+0x61c/0xfe0
[  206.592434][ T6759]  ? user_path_at+0x44/0x60
[  206.592452][ T6759]  __se_sys_mount+0x317/0x410
[  206.592474][ T6759]  ? __pfx___se_sys_mount+0x10/0x10
[  206.592494][ T6759]  ? rcu_is_watching+0x15/0xb0
[  206.592514][ T6759]  ? __x64_sys_mount+0x20/0xc0
[  206.592534][ T6759]  do_syscall_64+0xfa/0xfa0
[  206.592554][ T6759]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.592571][ T6759]  ? clear_bhb_loop+0x60/0xb0
[  206.592589][ T6759]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.592605][ T6759] RIP: 0033:0x7fbf81d9038a
[  206.592620][ T6759] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  206.592635][ T6759] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.592653][ T6759] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  206.592666][ T6759] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  206.592677][ T6759] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  206.592688][ T6759] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  206.592699][ T6759] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  206.592718][ T6759]  </TASK>
[  206.592736][ T6759] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.910705][ T6759] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.111104][ T6762] loop1: detected capacity change from 0 to 32768
[  207.125617][ T6762] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.133016][ T6762] CPU: 1 UID: 0 PID: 6762 Comm: syz.1.249 Not tainted syzkaller #0 PREEMPT(full) 
[  207.133040][ T6762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.133051][ T6762] Call Trace:
[  207.133058][ T6762]  <TASK>
[  207.133065][ T6762]  dump_stack_lvl+0x189/0x250
[  207.133091][ T6762]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.133109][ T6762]  ? __pfx__printk+0x10/0x10
[  207.133139][ T6762]  ? kernfs_root+0x1c/0x230
[  207.133157][ T6762]  ? kernfs_path_from_node+0x250/0x290
[  207.133172][ T6762]  ? kernfs_path_from_node+0x2f/0x290
[  207.133187][ T6762]  sysfs_create_dir_ns+0x259/0x280
[  207.133209][ T6762]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.133232][ T6762]  ? do_raw_spin_unlock+0x122/0x240
[  207.133252][ T6762]  kobject_add_internal+0x59f/0xb40
[  207.133275][ T6762]  kobject_init_and_add+0x125/0x190
[  207.133297][ T6762]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.133315][ T6762]  ? __raw_spin_lock_init+0x45/0x100
[  207.133331][ T6762]  ? __init_swait_queue_head+0xa9/0x150
[  207.133348][ T6762]  gfs2_sys_fs_add+0x234/0x450
[  207.133369][ T6762]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.133391][ T6762]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.133413][ T6762]  gfs2_fill_super+0x13c0/0x20d0
[  207.133437][ T6762]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.133455][ T6762]  ? sb_set_blocksize+0x104/0x180
[  207.133476][ T6762]  ? setup_bdev_super+0x4c1/0x5b0
[  207.133495][ T6762]  get_tree_bdev_flags+0x40e/0x4d0
[  207.133513][ T6762]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.133530][ T6762]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.133553][ T6762]  gfs2_get_tree+0x51/0x1e0
[  207.133569][ T6762]  vfs_get_tree+0x92/0x2b0
[  207.133588][ T6762]  do_new_mount+0x2a2/0xa30
[  207.133608][ T6762]  ? ns_capable+0x8a/0xf0
[  207.133629][ T6762]  ? __pfx_do_new_mount+0x10/0x10
[  207.133648][ T6762]  ? path_mount+0x61c/0xfe0
[  207.133666][ T6762]  ? user_path_at+0x44/0x60
[  207.133684][ T6762]  __se_sys_mount+0x317/0x410
[  207.133705][ T6762]  ? __pfx___se_sys_mount+0x10/0x10
[  207.133725][ T6762]  ? rcu_is_watching+0x15/0xb0
[  207.133745][ T6762]  ? __x64_sys_mount+0x20/0xc0
[  207.133764][ T6762]  do_syscall_64+0xfa/0xfa0
[  207.133784][ T6762]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.133800][ T6762]  ? clear_bhb_loop+0x60/0xb0
[  207.133817][ T6762]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.133833][ T6762] RIP: 0033:0x7fbf81d9038a
[  207.133849][ T6762] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  207.133863][ T6762] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.133882][ T6762] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  207.133896][ T6762] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  207.133909][ T6762] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  207.133919][ T6762] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  207.133930][ T6762] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  207.133948][ T6762]  </TASK>
[  207.133967][ T6762] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.449697][ T6762] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.658024][ T6765] loop1: detected capacity change from 0 to 32768
[  207.680546][ T6765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.688087][ T6765] CPU: 1 UID: 0 PID: 6765 Comm: syz.1.250 Not tainted syzkaller #0 PREEMPT(full) 
[  207.688111][ T6765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.688121][ T6765] Call Trace:
[  207.688127][ T6765]  <TASK>
[  207.688135][ T6765]  dump_stack_lvl+0x189/0x250
[  207.688159][ T6765]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.688178][ T6765]  ? __pfx__printk+0x10/0x10
[  207.688196][ T6765]  ? kernfs_root+0x1c/0x230
[  207.688209][ T6765]  ? kernfs_path_from_node+0x250/0x290
[  207.688277][ T6765]  ? kernfs_path_from_node+0x2f/0x290
[  207.688287][ T6765]  sysfs_create_dir_ns+0x259/0x280
[  207.688302][ T6765]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.688315][ T6765]  ? do_raw_spin_unlock+0x122/0x240
[  207.688327][ T6765]  kobject_add_internal+0x59f/0xb40
[  207.688341][ T6765]  kobject_init_and_add+0x125/0x190
[  207.688354][ T6765]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.688366][ T6765]  ? __raw_spin_lock_init+0x45/0x100
[  207.688375][ T6765]  ? __init_swait_queue_head+0xa9/0x150
[  207.688385][ T6765]  gfs2_sys_fs_add+0x234/0x450
[  207.688399][ T6765]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.688413][ T6765]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.688426][ T6765]  gfs2_fill_super+0x13c0/0x20d0
[  207.688440][ T6765]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.688452][ T6765]  ? sb_set_blocksize+0x104/0x180
[  207.688466][ T6765]  ? setup_bdev_super+0x4c1/0x5b0
[  207.688478][ T6765]  get_tree_bdev_flags+0x40e/0x4d0
[  207.688488][ T6765]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.688498][ T6765]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.688511][ T6765]  gfs2_get_tree+0x51/0x1e0
[  207.688521][ T6765]  vfs_get_tree+0x92/0x2b0
[  207.688532][ T6765]  do_new_mount+0x2a2/0xa30
[  207.688544][ T6765]  ? ns_capable+0x8a/0xf0
[  207.688558][ T6765]  ? __pfx_do_new_mount+0x10/0x10
[  207.688568][ T6765]  ? path_mount+0x61c/0xfe0
[  207.688579][ T6765]  ? user_path_at+0x44/0x60
[  207.688589][ T6765]  __se_sys_mount+0x317/0x410
[  207.688602][ T6765]  ? __pfx___se_sys_mount+0x10/0x10
[  207.688614][ T6765]  ? rcu_is_watching+0x15/0xb0
[  207.688627][ T6765]  ? __x64_sys_mount+0x20/0xc0
[  207.688639][ T6765]  do_syscall_64+0xfa/0xfa0
[  207.688650][ T6765]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.688660][ T6765]  ? clear_bhb_loop+0x60/0xb0
[  207.688670][ T6765]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.688680][ T6765] RIP: 0033:0x7fbf81d9038a
[  207.688690][ T6765] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  207.688698][ T6765] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.688710][ T6765] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  207.688718][ T6765] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  207.688725][ T6765] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  207.688732][ T6765] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  207.688738][ T6765] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  207.688748][ T6765]  </TASK>
[  207.688761][ T6765] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.006902][ T6765] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.212490][ T6768] loop1: detected capacity change from 0 to 32768
[  208.223340][ T6768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.231020][ T6768] CPU: 1 UID: 0 PID: 6768 Comm: syz.1.251 Not tainted syzkaller #0 PREEMPT(full) 
[  208.231041][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  208.231053][ T6768] Call Trace:
[  208.231059][ T6768]  <TASK>
[  208.231066][ T6768]  dump_stack_lvl+0x189/0x250
[  208.231090][ T6768]  ? __pfx_dump_stack_lvl+0x10/0x10
[  208.231109][ T6768]  ? __pfx__printk+0x10/0x10
[  208.231128][ T6768]  ? kernfs_root+0x1c/0x230
[  208.231146][ T6768]  ? kernfs_path_from_node+0x250/0x290
[  208.231161][ T6768]  ? kernfs_path_from_node+0x2f/0x290
[  208.231178][ T6768]  sysfs_create_dir_ns+0x259/0x280
[  208.231200][ T6768]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  208.231222][ T6768]  ? do_raw_spin_unlock+0x122/0x240
[  208.231240][ T6768]  kobject_add_internal+0x59f/0xb40
[  208.231263][ T6768]  kobject_init_and_add+0x125/0x190
[  208.231282][ T6768]  ? __pfx_kobject_init_and_add+0x10/0x10
[  208.231301][ T6768]  ? __raw_spin_lock_init+0x45/0x100
[  208.231316][ T6768]  ? __init_swait_queue_head+0xa9/0x150
[  208.231333][ T6768]  gfs2_sys_fs_add+0x234/0x450
[  208.231355][ T6768]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  208.231379][ T6768]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  208.231402][ T6768]  gfs2_fill_super+0x13c0/0x20d0
[  208.231424][ T6768]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.231444][ T6768]  ? sb_set_blocksize+0x104/0x180
[  208.231465][ T6768]  ? setup_bdev_super+0x4c1/0x5b0
[  208.231483][ T6768]  get_tree_bdev_flags+0x40e/0x4d0
[  208.231501][ T6768]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.231518][ T6768]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  208.231541][ T6768]  gfs2_get_tree+0x51/0x1e0
[  208.231559][ T6768]  vfs_get_tree+0x92/0x2b0
[  208.231578][ T6768]  do_new_mount+0x2a2/0xa30
[  208.231598][ T6768]  ? ns_capable+0x8a/0xf0
[  208.231619][ T6768]  ? __pfx_do_new_mount+0x10/0x10
[  208.231636][ T6768]  ? path_mount+0x61c/0xfe0
[  208.231653][ T6768]  ? user_path_at+0x44/0x60
[  208.231671][ T6768]  __se_sys_mount+0x317/0x410
[  208.231692][ T6768]  ? __pfx___se_sys_mount+0x10/0x10
[  208.231712][ T6768]  ? rcu_is_watching+0x15/0xb0
[  208.231733][ T6768]  ? __x64_sys_mount+0x20/0xc0
[  208.231753][ T6768]  do_syscall_64+0xfa/0xfa0
[  208.231771][ T6768]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.231788][ T6768]  ? clear_bhb_loop+0x60/0xb0
[  208.231805][ T6768]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.231821][ T6768] RIP: 0033:0x7fbf81d9038a
[  208.231836][ T6768] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.231850][ T6768] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.231869][ T6768] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  208.231882][ T6768] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  208.231895][ T6768] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  208.231907][ T6768] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  208.231919][ T6768] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  208.231939][ T6768]  </TASK>
[  208.231962][ T6768] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.552404][ T6768] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.762885][ T6771] loop1: detected capacity change from 0 to 32768
[  208.773613][ T6771] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.781262][ T6771] CPU: 0 UID: 0 PID: 6771 Comm: syz.1.252 Not tainted syzkaller #0 PREEMPT(full) 
[  208.781284][ T6771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  208.781294][ T6771] Call Trace:
[  208.781301][ T6771]  <TASK>
[  208.781309][ T6771]  dump_stack_lvl+0x189/0x250
[  208.781332][ T6771]  ? __pfx_dump_stack_lvl+0x10/0x10
[  208.781350][ T6771]  ? __pfx__printk+0x10/0x10
[  208.781368][ T6771]  ? kernfs_root+0x1c/0x230
[  208.781387][ T6771]  ? kernfs_path_from_node+0x250/0x290
[  208.781402][ T6771]  ? kernfs_path_from_node+0x2f/0x290
[  208.781418][ T6771]  sysfs_create_dir_ns+0x259/0x280
[  208.781441][ T6771]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  208.781462][ T6771]  ? do_raw_spin_unlock+0x122/0x240
[  208.781481][ T6771]  kobject_add_internal+0x59f/0xb40
[  208.781505][ T6771]  kobject_init_and_add+0x125/0x190
[  208.781524][ T6771]  ? __pfx_kobject_init_and_add+0x10/0x10
[  208.781543][ T6771]  ? __raw_spin_lock_init+0x45/0x100
[  208.781560][ T6771]  ? __init_swait_queue_head+0xa9/0x150
[  208.781577][ T6771]  gfs2_sys_fs_add+0x234/0x450
[  208.781599][ T6771]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  208.781622][ T6771]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  208.781645][ T6771]  gfs2_fill_super+0x13c0/0x20d0
[  208.781668][ T6771]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.781687][ T6771]  ? sb_set_blocksize+0x104/0x180
[  208.781707][ T6771]  ? setup_bdev_super+0x4c1/0x5b0
[  208.781726][ T6771]  get_tree_bdev_flags+0x40e/0x4d0
[  208.781745][ T6771]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.781763][ T6771]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  208.781785][ T6771]  gfs2_get_tree+0x51/0x1e0
[  208.781804][ T6771]  vfs_get_tree+0x92/0x2b0
[  208.781822][ T6771]  do_new_mount+0x2a2/0xa30
[  208.781842][ T6771]  ? ns_capable+0x8a/0xf0
[  208.781863][ T6771]  ? __pfx_do_new_mount+0x10/0x10
[  208.781880][ T6771]  ? path_mount+0x61c/0xfe0
[  208.781897][ T6771]  ? user_path_at+0x44/0x60
[  208.781913][ T6771]  __se_sys_mount+0x317/0x410
[  208.781935][ T6771]  ? __pfx___se_sys_mount+0x10/0x10
[  208.781956][ T6771]  ? rcu_is_watching+0x15/0xb0
[  208.781977][ T6771]  ? __x64_sys_mount+0x20/0xc0
[  208.781997][ T6771]  do_syscall_64+0xfa/0xfa0
[  208.782016][ T6771]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.782033][ T6771]  ? clear_bhb_loop+0x60/0xb0
[  208.782050][ T6771]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.782065][ T6771] RIP: 0033:0x7fbf81d9038a
[  208.782080][ T6771] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.782096][ T6771] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.782116][ T6771] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  208.782129][ T6771] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  208.782143][ T6771] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  208.782163][ T6771] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  208.782174][ T6771] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  208.782192][ T6771]  </TASK>
[  208.782210][ T6771] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.097235][ T6771] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.316368][ T6774] loop1: detected capacity change from 0 to 32768
[  209.324830][ T6774] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.332360][ T6774] CPU: 1 UID: 0 PID: 6774 Comm: syz.1.253 Not tainted syzkaller #0 PREEMPT(full) 
[  209.332380][ T6774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  209.332391][ T6774] Call Trace:
[  209.332398][ T6774]  <TASK>
[  209.332405][ T6774]  dump_stack_lvl+0x189/0x250
[  209.332429][ T6774]  ? __pfx_dump_stack_lvl+0x10/0x10
[  209.332447][ T6774]  ? __pfx__printk+0x10/0x10
[  209.332466][ T6774]  ? kernfs_root+0x1c/0x230
[  209.332483][ T6774]  ? kernfs_path_from_node+0x250/0x290
[  209.332497][ T6774]  ? kernfs_path_from_node+0x2f/0x290
[  209.332513][ T6774]  sysfs_create_dir_ns+0x259/0x280
[  209.332534][ T6774]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  209.332557][ T6774]  ? do_raw_spin_unlock+0x122/0x240
[  209.332576][ T6774]  kobject_add_internal+0x59f/0xb40
[  209.332600][ T6774]  kobject_init_and_add+0x125/0x190
[  209.332622][ T6774]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.332640][ T6774]  ? __raw_spin_lock_init+0x45/0x100
[  209.332656][ T6774]  ? __init_swait_queue_head+0xa9/0x150
[  209.332673][ T6774]  gfs2_sys_fs_add+0x234/0x450
[  209.332695][ T6774]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.332720][ T6774]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.332742][ T6774]  gfs2_fill_super+0x13c0/0x20d0
[  209.332765][ T6774]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.332784][ T6774]  ? sb_set_blocksize+0x104/0x180
[  209.332806][ T6774]  ? setup_bdev_super+0x4c1/0x5b0
[  209.332826][ T6774]  get_tree_bdev_flags+0x40e/0x4d0
[  209.332845][ T6774]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.332871][ T6774]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.332893][ T6774]  gfs2_get_tree+0x51/0x1e0
[  209.332910][ T6774]  vfs_get_tree+0x92/0x2b0
[  209.332929][ T6774]  do_new_mount+0x2a2/0xa30
[  209.332950][ T6774]  ? ns_capable+0x8a/0xf0
[  209.332971][ T6774]  ? __pfx_do_new_mount+0x10/0x10
[  209.332989][ T6774]  ? path_mount+0x61c/0xfe0
[  209.333007][ T6774]  ? user_path_at+0x44/0x60
[  209.333026][ T6774]  __se_sys_mount+0x317/0x410
[  209.333049][ T6774]  ? __pfx___se_sys_mount+0x10/0x10
[  209.333070][ T6774]  ? rcu_is_watching+0x15/0xb0
[  209.333090][ T6774]  ? __x64_sys_mount+0x20/0xc0
[  209.333109][ T6774]  do_syscall_64+0xfa/0xfa0
[  209.333127][ T6774]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.333143][ T6774]  ? clear_bhb_loop+0x60/0xb0
[  209.333160][ T6774]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.333175][ T6774] RIP: 0033:0x7fbf81d9038a
[  209.333190][ T6774] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  209.333205][ T6774] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.333223][ T6774] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  209.333236][ T6774] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  209.333249][ T6774] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  209.333260][ T6774] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  209.333271][ T6774] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  209.333291][ T6774]  </TASK>
[  209.333310][ T6774] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.648457][ T6774] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.850682][ T6777] loop1: detected capacity change from 0 to 32768
[  209.875856][ T6777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.883946][ T6777] CPU: 1 UID: 0 PID: 6777 Comm: syz.1.254 Not tainted syzkaller #0 PREEMPT(full) 
[  209.883961][ T6777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  209.883967][ T6777] Call Trace:
[  209.883972][ T6777]  <TASK>
[  209.883977][ T6777]  dump_stack_lvl+0x189/0x250
[  209.883993][ T6777]  ? __pfx_dump_stack_lvl+0x10/0x10
[  209.884004][ T6777]  ? __pfx__printk+0x10/0x10
[  209.884016][ T6777]  ? kernfs_root+0x1c/0x230
[  209.884026][ T6777]  ? kernfs_path_from_node+0x250/0x290
[  209.884034][ T6777]  ? kernfs_path_from_node+0x2f/0x290
[  209.884042][ T6777]  sysfs_create_dir_ns+0x259/0x280
[  209.884057][ T6777]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  209.884070][ T6777]  ? do_raw_spin_unlock+0x122/0x240
[  209.884082][ T6777]  kobject_add_internal+0x59f/0xb40
[  209.884097][ T6777]  kobject_init_and_add+0x125/0x190
[  209.884109][ T6777]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.884120][ T6777]  ? __raw_spin_lock_init+0x45/0x100
[  209.884129][ T6777]  ? __init_swait_queue_head+0xa9/0x150
[  209.884139][ T6777]  gfs2_sys_fs_add+0x234/0x450
[  209.884153][ T6777]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.884167][ T6777]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.884180][ T6777]  gfs2_fill_super+0x13c0/0x20d0
[  209.884194][ T6777]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.884204][ T6777]  ? sb_set_blocksize+0x104/0x180
[  209.884217][ T6777]  ? setup_bdev_super+0x4c1/0x5b0
[  209.884229][ T6777]  get_tree_bdev_flags+0x40e/0x4d0
[  209.884239][ T6777]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.884249][ T6777]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.884262][ T6777]  gfs2_get_tree+0x51/0x1e0
[  209.884272][ T6777]  vfs_get_tree+0x92/0x2b0
[  209.884283][ T6777]  do_new_mount+0x2a2/0xa30
[  209.884295][ T6777]  ? ns_capable+0x8a/0xf0
[  209.884308][ T6777]  ? __pfx_do_new_mount+0x10/0x10
[  209.884319][ T6777]  ? path_mount+0x61c/0xfe0
[  209.884330][ T6777]  ? user_path_at+0x44/0x60
[  209.884340][ T6777]  __se_sys_mount+0x317/0x410
[  209.884353][ T6777]  ? __pfx___se_sys_mount+0x10/0x10
[  209.884365][ T6777]  ? rcu_is_watching+0x15/0xb0
[  209.884394][ T6777]  ? __x64_sys_mount+0x20/0xc0
[  209.884414][ T6777]  do_syscall_64+0xfa/0xfa0
[  209.884430][ T6777]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.884445][ T6777]  ? clear_bhb_loop+0x60/0xb0
[  209.884461][ T6777]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.884475][ T6777] RIP: 0033:0x7fbf81d9038a
[  209.884490][ T6777] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  209.884504][ T6777] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.884522][ T6777] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  209.884533][ T6777] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  209.884544][ T6777] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  209.884555][ T6777] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  209.884566][ T6777] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  209.884583][ T6777]  </TASK>
[  210.186265][ T6777] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.201041][ T6777] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.401645][ T6780] loop1: detected capacity change from 0 to 32768
[  210.410951][ T6780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.419180][ T6780] CPU: 0 UID: 0 PID: 6780 Comm: syz.1.255 Not tainted syzkaller #0 PREEMPT(full) 
[  210.419203][ T6780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.419213][ T6780] Call Trace:
[  210.419220][ T6780]  <TASK>
[  210.419228][ T6780]  dump_stack_lvl+0x189/0x250
[  210.419251][ T6780]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.419269][ T6780]  ? __pfx__printk+0x10/0x10
[  210.419288][ T6780]  ? kernfs_root+0x1c/0x230
[  210.419306][ T6780]  ? kernfs_path_from_node+0x250/0x290
[  210.419320][ T6780]  ? kernfs_path_from_node+0x2f/0x290
[  210.419337][ T6780]  sysfs_create_dir_ns+0x259/0x280
[  210.419360][ T6780]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.419382][ T6780]  ? do_raw_spin_unlock+0x122/0x240
[  210.419401][ T6780]  kobject_add_internal+0x59f/0xb40
[  210.419424][ T6780]  kobject_init_and_add+0x125/0x190
[  210.419445][ T6780]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.419466][ T6780]  ? __raw_spin_lock_init+0x45/0x100
[  210.419482][ T6780]  ? __init_swait_queue_head+0xa9/0x150
[  210.419498][ T6780]  gfs2_sys_fs_add+0x234/0x450
[  210.419520][ T6780]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.419545][ T6780]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.419569][ T6780]  gfs2_fill_super+0x13c0/0x20d0
[  210.419593][ T6780]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.419611][ T6780]  ? sb_set_blocksize+0x104/0x180
[  210.419632][ T6780]  ? setup_bdev_super+0x4c1/0x5b0
[  210.419650][ T6780]  get_tree_bdev_flags+0x40e/0x4d0
[  210.419667][ T6780]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.419684][ T6780]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.419705][ T6780]  gfs2_get_tree+0x51/0x1e0
[  210.419723][ T6780]  vfs_get_tree+0x92/0x2b0
[  210.419741][ T6780]  do_new_mount+0x2a2/0xa30
[  210.419762][ T6780]  ? ns_capable+0x8a/0xf0
[  210.419782][ T6780]  ? __pfx_do_new_mount+0x10/0x10
[  210.419799][ T6780]  ? path_mount+0x61c/0xfe0
[  210.419817][ T6780]  ? user_path_at+0x44/0x60
[  210.419836][ T6780]  __se_sys_mount+0x317/0x410
[  210.419857][ T6780]  ? __pfx___se_sys_mount+0x10/0x10
[  210.419877][ T6780]  ? rcu_is_watching+0x15/0xb0
[  210.419899][ T6780]  ? __x64_sys_mount+0x20/0xc0
[  210.419919][ T6780]  do_syscall_64+0xfa/0xfa0
[  210.419939][ T6780]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.419956][ T6780]  ? clear_bhb_loop+0x60/0xb0
[  210.419973][ T6780]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.419989][ T6780] RIP: 0033:0x7fbf81d9038a
[  210.420003][ T6780] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.420017][ T6780] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.420043][ T6780] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  210.420056][ T6780] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  210.420068][ T6780] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  210.420080][ T6780] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  210.420091][ T6780] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  210.420109][ T6780]  </TASK>
[  210.420128][ T6780] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.734262][ T6780] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.931197][ T6783] loop1: detected capacity change from 0 to 32768
[  210.962657][ T6783] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.970301][ T6783] CPU: 0 UID: 0 PID: 6783 Comm: syz.1.256 Not tainted syzkaller #0 PREEMPT(full) 
[  210.970325][ T6783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.970335][ T6783] Call Trace:
[  210.970342][ T6783]  <TASK>
[  210.970350][ T6783]  dump_stack_lvl+0x189/0x250
[  210.970374][ T6783]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.970392][ T6783]  ? __pfx__printk+0x10/0x10
[  210.970411][ T6783]  ? kernfs_root+0x1c/0x230
[  210.970429][ T6783]  ? kernfs_path_from_node+0x250/0x290
[  210.970442][ T6783]  ? kernfs_path_from_node+0x2f/0x290
[  210.970458][ T6783]  sysfs_create_dir_ns+0x259/0x280
[  210.970481][ T6783]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.970503][ T6783]  ? do_raw_spin_unlock+0x122/0x240
[  210.970522][ T6783]  kobject_add_internal+0x59f/0xb40
[  210.970547][ T6783]  kobject_init_and_add+0x125/0x190
[  210.970568][ T6783]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.970587][ T6783]  ? __raw_spin_lock_init+0x45/0x100
[  210.970604][ T6783]  ? __init_swait_queue_head+0xa9/0x150
[  210.970621][ T6783]  gfs2_sys_fs_add+0x234/0x450
[  210.970642][ T6783]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.970667][ T6783]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.970688][ T6783]  gfs2_fill_super+0x13c0/0x20d0
[  210.970710][ T6783]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.970728][ T6783]  ? sb_set_blocksize+0x104/0x180
[  210.970748][ T6783]  ? setup_bdev_super+0x4c1/0x5b0
[  210.970768][ T6783]  get_tree_bdev_flags+0x40e/0x4d0
[  210.970786][ T6783]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.970803][ T6783]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.970825][ T6783]  gfs2_get_tree+0x51/0x1e0
[  210.970843][ T6783]  vfs_get_tree+0x92/0x2b0
[  210.970862][ T6783]  do_new_mount+0x2a2/0xa30
[  210.970883][ T6783]  ? ns_capable+0x8a/0xf0
[  210.970904][ T6783]  ? __pfx_do_new_mount+0x10/0x10
[  210.970933][ T6783]  ? path_mount+0x61c/0xfe0
[  210.970951][ T6783]  ? user_path_at+0x44/0x60
[  210.970970][ T6783]  __se_sys_mount+0x317/0x410
[  210.970992][ T6783]  ? __pfx___se_sys_mount+0x10/0x10
[  210.971012][ T6783]  ? rcu_is_watching+0x15/0xb0
[  210.971033][ T6783]  ? __x64_sys_mount+0x20/0xc0
[  210.971051][ T6783]  do_syscall_64+0xfa/0xfa0
[  210.971067][ T6783]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.971082][ T6783]  ? clear_bhb_loop+0x60/0xb0
[  210.971097][ T6783]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.971111][ T6783] RIP: 0033:0x7fbf81d9038a
[  210.971127][ T6783] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.971141][ T6783] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.971160][ T6783] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  210.971173][ T6783] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  210.971186][ T6783] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  210.971198][ T6783] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  210.971209][ T6783] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  210.971229][ T6783]  </TASK>
[  210.971247][ T6783] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.286156][ T6783] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 04:15:26 executed programs: 242
[  211.493731][ T6786] loop1: detected capacity change from 0 to 32768
[  211.506277][ T6786] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.513684][ T6786] CPU: 0 UID: 0 PID: 6786 Comm: syz.1.257 Not tainted syzkaller #0 PREEMPT(full) 
[  211.513713][ T6786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.513724][ T6786] Call Trace:
[  211.513732][ T6786]  <TASK>
[  211.513740][ T6786]  dump_stack_lvl+0x189/0x250
[  211.513764][ T6786]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.513783][ T6786]  ? __pfx__printk+0x10/0x10
[  211.513802][ T6786]  ? kernfs_root+0x1c/0x230
[  211.513819][ T6786]  ? kernfs_path_from_node+0x250/0x290
[  211.513833][ T6786]  ? kernfs_path_from_node+0x2f/0x290
[  211.513848][ T6786]  sysfs_create_dir_ns+0x259/0x280
[  211.513872][ T6786]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.513894][ T6786]  ? do_raw_spin_unlock+0x122/0x240
[  211.513912][ T6786]  kobject_add_internal+0x59f/0xb40
[  211.513937][ T6786]  kobject_init_and_add+0x125/0x190
[  211.513958][ T6786]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.513978][ T6786]  ? __raw_spin_lock_init+0x45/0x100
[  211.513995][ T6786]  ? __init_swait_queue_head+0xa9/0x150
[  211.514013][ T6786]  gfs2_sys_fs_add+0x234/0x450
[  211.514034][ T6786]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.514058][ T6786]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.514081][ T6786]  gfs2_fill_super+0x13c0/0x20d0
[  211.514104][ T6786]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.514122][ T6786]  ? sb_set_blocksize+0x104/0x180
[  211.514144][ T6786]  ? setup_bdev_super+0x4c1/0x5b0
[  211.514163][ T6786]  get_tree_bdev_flags+0x40e/0x4d0
[  211.514182][ T6786]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.514200][ T6786]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.514223][ T6786]  gfs2_get_tree+0x51/0x1e0
[  211.514240][ T6786]  vfs_get_tree+0x92/0x2b0
[  211.514258][ T6786]  do_new_mount+0x2a2/0xa30
[  211.514279][ T6786]  ? ns_capable+0x8a/0xf0
[  211.514300][ T6786]  ? __pfx_do_new_mount+0x10/0x10
[  211.514318][ T6786]  ? path_mount+0x61c/0xfe0
[  211.514336][ T6786]  ? user_path_at+0x44/0x60
[  211.514353][ T6786]  __se_sys_mount+0x317/0x410
[  211.514378][ T6786]  ? __pfx___se_sys_mount+0x10/0x10
[  211.514396][ T6786]  ? rcu_is_watching+0x15/0xb0
[  211.514417][ T6786]  ? __x64_sys_mount+0x20/0xc0
[  211.514437][ T6786]  do_syscall_64+0xfa/0xfa0
[  211.514457][ T6786]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.514473][ T6786]  ? clear_bhb_loop+0x60/0xb0
[  211.514491][ T6786]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.514507][ T6786] RIP: 0033:0x7fbf81d9038a
[  211.514522][ T6786] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  211.514536][ T6786] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.514556][ T6786] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  211.514569][ T6786] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  211.514582][ T6786] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  211.514593][ T6786] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  211.514620][ T6786] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  211.514638][ T6786]  </TASK>
[  211.817323][ T6786] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.831605][ T6786] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.039877][ T6789] loop1: detected capacity change from 0 to 32768
[  212.048166][ T6789] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.055912][ T6789] CPU: 1 UID: 0 PID: 6789 Comm: syz.1.258 Not tainted syzkaller #0 PREEMPT(full) 
[  212.055933][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.055944][ T6789] Call Trace:
[  212.055951][ T6789]  <TASK>
[  212.055959][ T6789]  dump_stack_lvl+0x189/0x250
[  212.055983][ T6789]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.056003][ T6789]  ? __pfx__printk+0x10/0x10
[  212.056022][ T6789]  ? kernfs_root+0x1c/0x230
[  212.056040][ T6789]  ? kernfs_path_from_node+0x250/0x290
[  212.056054][ T6789]  ? kernfs_path_from_node+0x2f/0x290
[  212.056070][ T6789]  sysfs_create_dir_ns+0x259/0x280
[  212.056093][ T6789]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.056115][ T6789]  ? do_raw_spin_unlock+0x122/0x240
[  212.056134][ T6789]  kobject_add_internal+0x59f/0xb40
[  212.056158][ T6789]  kobject_init_and_add+0x125/0x190
[  212.056180][ T6789]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.056200][ T6789]  ? __raw_spin_lock_init+0x45/0x100
[  212.056216][ T6789]  ? __init_swait_queue_head+0xa9/0x150
[  212.056233][ T6789]  gfs2_sys_fs_add+0x234/0x450
[  212.056256][ T6789]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.056280][ T6789]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.056303][ T6789]  gfs2_fill_super+0x13c0/0x20d0
[  212.056325][ T6789]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.056342][ T6789]  ? sb_set_blocksize+0x104/0x180
[  212.056360][ T6789]  ? setup_bdev_super+0x4c1/0x5b0
[  212.056379][ T6789]  get_tree_bdev_flags+0x40e/0x4d0
[  212.056397][ T6789]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.056415][ T6789]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.056437][ T6789]  gfs2_get_tree+0x51/0x1e0
[  212.056455][ T6789]  vfs_get_tree+0x92/0x2b0
[  212.056473][ T6789]  do_new_mount+0x2a2/0xa30
[  212.056493][ T6789]  ? ns_capable+0x8a/0xf0
[  212.056513][ T6789]  ? __pfx_do_new_mount+0x10/0x10
[  212.056532][ T6789]  ? path_mount+0x61c/0xfe0
[  212.056549][ T6789]  ? user_path_at+0x44/0x60
[  212.056568][ T6789]  __se_sys_mount+0x317/0x410
[  212.056597][ T6789]  ? __pfx___se_sys_mount+0x10/0x10
[  212.056618][ T6789]  ? rcu_is_watching+0x15/0xb0
[  212.056638][ T6789]  ? __x64_sys_mount+0x20/0xc0
[  212.056658][ T6789]  do_syscall_64+0xfa/0xfa0
[  212.056677][ T6789]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.056693][ T6789]  ? clear_bhb_loop+0x60/0xb0
[  212.056711][ T6789]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.056727][ T6789] RIP: 0033:0x7fbf81d9038a
[  212.056742][ T6789] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  212.056758][ T6789] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.056777][ T6789] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  212.056791][ T6789] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  212.056804][ T6789] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  212.056816][ T6789] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  212.056827][ T6789] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  212.056847][ T6789]  </TASK>
[  212.056865][ T6789] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.376234][ T6789] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.579935][ T6792] loop1: detected capacity change from 0 to 32768
[  212.588730][ T6792] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.596788][ T6792] CPU: 1 UID: 0 PID: 6792 Comm: syz.1.259 Not tainted syzkaller #0 PREEMPT(full) 
[  212.596809][ T6792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.596819][ T6792] Call Trace:
[  212.596825][ T6792]  <TASK>
[  212.596833][ T6792]  dump_stack_lvl+0x189/0x250
[  212.596857][ T6792]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.596876][ T6792]  ? __pfx__printk+0x10/0x10
[  212.596895][ T6792]  ? kernfs_root+0x1c/0x230
[  212.596911][ T6792]  ? kernfs_path_from_node+0x250/0x290
[  212.596926][ T6792]  ? kernfs_path_from_node+0x2f/0x290
[  212.596942][ T6792]  sysfs_create_dir_ns+0x259/0x280
[  212.596965][ T6792]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.596988][ T6792]  ? do_raw_spin_unlock+0x122/0x240
[  212.597007][ T6792]  kobject_add_internal+0x59f/0xb40
[  212.597031][ T6792]  kobject_init_and_add+0x125/0x190
[  212.597052][ T6792]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.597071][ T6792]  ? __raw_spin_lock_init+0x45/0x100
[  212.597087][ T6792]  ? __init_swait_queue_head+0xa9/0x150
[  212.597105][ T6792]  gfs2_sys_fs_add+0x234/0x450
[  212.597127][ T6792]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.597151][ T6792]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.597174][ T6792]  gfs2_fill_super+0x13c0/0x20d0
[  212.597197][ T6792]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.597215][ T6792]  ? sb_set_blocksize+0x104/0x180
[  212.597236][ T6792]  ? setup_bdev_super+0x4c1/0x5b0
[  212.597254][ T6792]  get_tree_bdev_flags+0x40e/0x4d0
[  212.597270][ T6792]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.597287][ T6792]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.597308][ T6792]  gfs2_get_tree+0x51/0x1e0
[  212.597327][ T6792]  vfs_get_tree+0x92/0x2b0
[  212.597346][ T6792]  do_new_mount+0x2a2/0xa30
[  212.597366][ T6792]  ? ns_capable+0x8a/0xf0
[  212.597386][ T6792]  ? __pfx_do_new_mount+0x10/0x10
[  212.597404][ T6792]  ? path_mount+0x61c/0xfe0
[  212.597421][ T6792]  ? user_path_at+0x44/0x60
[  212.597437][ T6792]  __se_sys_mount+0x317/0x410
[  212.597458][ T6792]  ? __pfx___se_sys_mount+0x10/0x10
[  212.597477][ T6792]  ? rcu_is_watching+0x15/0xb0
[  212.597497][ T6792]  ? __x64_sys_mount+0x20/0xc0
[  212.597528][ T6792]  do_syscall_64+0xfa/0xfa0
[  212.597545][ T6792]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.597560][ T6792]  ? clear_bhb_loop+0x60/0xb0
[  212.597577][ T6792]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.597592][ T6792] RIP: 0033:0x7fbf81d9038a
[  212.597607][ T6792] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  212.597622][ T6792] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.597641][ T6792] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  212.597654][ T6792] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  212.597666][ T6792] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  212.597678][ T6792] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  212.597689][ T6792] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  212.597708][ T6792]  </TASK>
[  212.597726][ T6792] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.915713][ T6792] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.122855][ T6795] loop1: detected capacity change from 0 to 32768
[  213.133567][ T6795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.141274][ T6795] CPU: 1 UID: 0 PID: 6795 Comm: syz.1.260 Not tainted syzkaller #0 PREEMPT(full) 
[  213.141296][ T6795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.141306][ T6795] Call Trace:
[  213.141312][ T6795]  <TASK>
[  213.141319][ T6795]  dump_stack_lvl+0x189/0x250
[  213.141343][ T6795]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.141361][ T6795]  ? __pfx__printk+0x10/0x10
[  213.141379][ T6795]  ? kernfs_root+0x1c/0x230
[  213.141396][ T6795]  ? kernfs_path_from_node+0x250/0x290
[  213.141409][ T6795]  ? kernfs_path_from_node+0x2f/0x290
[  213.141425][ T6795]  sysfs_create_dir_ns+0x259/0x280
[  213.141447][ T6795]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.141470][ T6795]  ? do_raw_spin_unlock+0x122/0x240
[  213.141487][ T6795]  kobject_add_internal+0x59f/0xb40
[  213.141525][ T6795]  kobject_init_and_add+0x125/0x190
[  213.141547][ T6795]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.141567][ T6795]  ? __raw_spin_lock_init+0x45/0x100
[  213.141584][ T6795]  ? __init_swait_queue_head+0xa9/0x150
[  213.141602][ T6795]  gfs2_sys_fs_add+0x234/0x450
[  213.141623][ T6795]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.141646][ T6795]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.141669][ T6795]  gfs2_fill_super+0x13c0/0x20d0
[  213.141691][ T6795]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.141710][ T6795]  ? sb_set_blocksize+0x104/0x180
[  213.141731][ T6795]  ? setup_bdev_super+0x4c1/0x5b0
[  213.141751][ T6795]  get_tree_bdev_flags+0x40e/0x4d0
[  213.141767][ T6795]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.141784][ T6795]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.141806][ T6795]  gfs2_get_tree+0x51/0x1e0
[  213.141824][ T6795]  vfs_get_tree+0x92/0x2b0
[  213.141843][ T6795]  do_new_mount+0x2a2/0xa30
[  213.141862][ T6795]  ? ns_capable+0x8a/0xf0
[  213.141883][ T6795]  ? __pfx_do_new_mount+0x10/0x10
[  213.141901][ T6795]  ? path_mount+0x61c/0xfe0
[  213.141919][ T6795]  ? user_path_at+0x44/0x60
[  213.141939][ T6795]  __se_sys_mount+0x317/0x410
[  213.141961][ T6795]  ? __pfx___se_sys_mount+0x10/0x10
[  213.141981][ T6795]  ? rcu_is_watching+0x15/0xb0
[  213.142002][ T6795]  ? __x64_sys_mount+0x20/0xc0
[  213.142021][ T6795]  do_syscall_64+0xfa/0xfa0
[  213.142040][ T6795]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.142055][ T6795]  ? clear_bhb_loop+0x60/0xb0
[  213.142073][ T6795]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.142089][ T6795] RIP: 0033:0x7fbf81d9038a
[  213.142104][ T6795] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  213.142119][ T6795] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.142138][ T6795] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  213.142151][ T6795] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  213.142164][ T6795] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  213.142176][ T6795] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  213.142188][ T6795] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  213.142206][ T6795]  </TASK>
[  213.142225][ T6795] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.458485][ T6795] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.671387][ T6798] loop1: detected capacity change from 0 to 32768
[  213.690954][ T6798] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.699041][ T6798] CPU: 1 UID: 0 PID: 6798 Comm: syz.1.261 Not tainted syzkaller #0 PREEMPT(full) 
[  213.699066][ T6798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.699077][ T6798] Call Trace:
[  213.699084][ T6798]  <TASK>
[  213.699092][ T6798]  dump_stack_lvl+0x189/0x250
[  213.699115][ T6798]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.699135][ T6798]  ? __pfx__printk+0x10/0x10
[  213.699155][ T6798]  ? kernfs_root+0x1c/0x230
[  213.699173][ T6798]  ? kernfs_path_from_node+0x250/0x290
[  213.699188][ T6798]  ? kernfs_path_from_node+0x2f/0x290
[  213.699204][ T6798]  sysfs_create_dir_ns+0x259/0x280
[  213.699226][ T6798]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.699248][ T6798]  ? do_raw_spin_unlock+0x122/0x240
[  213.699267][ T6798]  kobject_add_internal+0x59f/0xb40
[  213.699292][ T6798]  kobject_init_and_add+0x125/0x190
[  213.699313][ T6798]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.699333][ T6798]  ? __raw_spin_lock_init+0x45/0x100
[  213.699349][ T6798]  ? __init_swait_queue_head+0xa9/0x150
[  213.699368][ T6798]  gfs2_sys_fs_add+0x234/0x450
[  213.699391][ T6798]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.699416][ T6798]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.699439][ T6798]  gfs2_fill_super+0x13c0/0x20d0
[  213.699462][ T6798]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.699481][ T6798]  ? sb_set_blocksize+0x104/0x180
[  213.699502][ T6798]  ? setup_bdev_super+0x4c1/0x5b0
[  213.699521][ T6798]  get_tree_bdev_flags+0x40e/0x4d0
[  213.699540][ T6798]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.699558][ T6798]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.699581][ T6798]  gfs2_get_tree+0x51/0x1e0
[  213.699599][ T6798]  vfs_get_tree+0x92/0x2b0
[  213.699617][ T6798]  do_new_mount+0x2a2/0xa30
[  213.699638][ T6798]  ? ns_capable+0x8a/0xf0
[  213.699660][ T6798]  ? __pfx_do_new_mount+0x10/0x10
[  213.699679][ T6798]  ? path_mount+0x61c/0xfe0
[  213.699697][ T6798]  ? user_path_at+0x44/0x60
[  213.699723][ T6798]  __se_sys_mount+0x317/0x410
[  213.699745][ T6798]  ? __pfx___se_sys_mount+0x10/0x10
[  213.699767][ T6798]  ? rcu_is_watching+0x15/0xb0
[  213.699788][ T6798]  ? __x64_sys_mount+0x20/0xc0
[  213.699808][ T6798]  do_syscall_64+0xfa/0xfa0
[  213.699828][ T6798]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.699844][ T6798]  ? clear_bhb_loop+0x60/0xb0
[  213.699861][ T6798]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.699878][ T6798] RIP: 0033:0x7fbf81d9038a
[  213.699893][ T6798] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  213.699909][ T6798] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.699928][ T6798] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  213.699941][ T6798] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  213.699953][ T6798] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  213.699965][ T6798] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  213.699976][ T6798] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  213.699996][ T6798]  </TASK>
[  213.700014][ T6798] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.020108][ T6798] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.227490][ T6801] loop1: detected capacity change from 0 to 32768
[  214.238746][ T6801] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.246256][ T6801] CPU: 0 UID: 0 PID: 6801 Comm: syz.1.262 Not tainted syzkaller #0 PREEMPT(full) 
[  214.246286][ T6801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.246297][ T6801] Call Trace:
[  214.246303][ T6801]  <TASK>
[  214.246311][ T6801]  dump_stack_lvl+0x189/0x250
[  214.246335][ T6801]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.246354][ T6801]  ? __pfx__printk+0x10/0x10
[  214.246373][ T6801]  ? kernfs_root+0x1c/0x230
[  214.246390][ T6801]  ? kernfs_path_from_node+0x250/0x290
[  214.246404][ T6801]  ? kernfs_path_from_node+0x2f/0x290
[  214.246419][ T6801]  sysfs_create_dir_ns+0x259/0x280
[  214.246448][ T6801]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.246471][ T6801]  ? do_raw_spin_unlock+0x122/0x240
[  214.246491][ T6801]  kobject_add_internal+0x59f/0xb40
[  214.246513][ T6801]  kobject_init_and_add+0x125/0x190
[  214.246534][ T6801]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.246551][ T6801]  ? __raw_spin_lock_init+0x45/0x100
[  214.246566][ T6801]  ? __init_swait_queue_head+0xa9/0x150
[  214.246583][ T6801]  gfs2_sys_fs_add+0x234/0x450
[  214.246605][ T6801]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.246628][ T6801]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.246651][ T6801]  gfs2_fill_super+0x13c0/0x20d0
[  214.246673][ T6801]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.246701][ T6801]  ? sb_set_blocksize+0x104/0x180
[  214.246734][ T6801]  ? setup_bdev_super+0x4c1/0x5b0
[  214.246753][ T6801]  get_tree_bdev_flags+0x40e/0x4d0
[  214.246771][ T6801]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.246790][ T6801]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.246819][ T6801]  gfs2_get_tree+0x51/0x1e0
[  214.246838][ T6801]  vfs_get_tree+0x92/0x2b0
[  214.246855][ T6801]  do_new_mount+0x2a2/0xa30
[  214.246875][ T6801]  ? ns_capable+0x8a/0xf0
[  214.246896][ T6801]  ? __pfx_do_new_mount+0x10/0x10
[  214.246913][ T6801]  ? path_mount+0x61c/0xfe0
[  214.246930][ T6801]  ? user_path_at+0x44/0x60
[  214.246948][ T6801]  __se_sys_mount+0x317/0x410
[  214.246969][ T6801]  ? __pfx___se_sys_mount+0x10/0x10
[  214.246989][ T6801]  ? rcu_is_watching+0x15/0xb0
[  214.247010][ T6801]  ? __x64_sys_mount+0x20/0xc0
[  214.247030][ T6801]  do_syscall_64+0xfa/0xfa0
[  214.247049][ T6801]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.247066][ T6801]  ? clear_bhb_loop+0x60/0xb0
[  214.247082][ T6801]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.247099][ T6801] RIP: 0033:0x7fbf81d9038a
[  214.247114][ T6801] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.247129][ T6801] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.247149][ T6801] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  214.247163][ T6801] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  214.247176][ T6801] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  214.247188][ T6801] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  214.247198][ T6801] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  214.247217][ T6801]  </TASK>
[  214.247242][ T6801] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.570522][ T6801] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.777661][ T6804] loop1: detected capacity change from 0 to 32768
[  214.786707][ T6804] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.794172][ T6804] CPU: 0 UID: 0 PID: 6804 Comm: syz.1.263 Not tainted syzkaller #0 PREEMPT(full) 
[  214.794194][ T6804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.794205][ T6804] Call Trace:
[  214.794212][ T6804]  <TASK>
[  214.794219][ T6804]  dump_stack_lvl+0x189/0x250
[  214.794244][ T6804]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.794262][ T6804]  ? __pfx__printk+0x10/0x10
[  214.794281][ T6804]  ? kernfs_root+0x1c/0x230
[  214.794297][ T6804]  ? kernfs_path_from_node+0x250/0x290
[  214.794328][ T6804]  ? kernfs_path_from_node+0x2f/0x290
[  214.794343][ T6804]  sysfs_create_dir_ns+0x259/0x280
[  214.794365][ T6804]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.794390][ T6804]  ? do_raw_spin_unlock+0x122/0x240
[  214.794409][ T6804]  kobject_add_internal+0x59f/0xb40
[  214.794431][ T6804]  kobject_init_and_add+0x125/0x190
[  214.794451][ T6804]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.794469][ T6804]  ? __raw_spin_lock_init+0x45/0x100
[  214.794485][ T6804]  ? __init_swait_queue_head+0xa9/0x150
[  214.794501][ T6804]  gfs2_sys_fs_add+0x234/0x450
[  214.794522][ T6804]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.794546][ T6804]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.794569][ T6804]  gfs2_fill_super+0x13c0/0x20d0
[  214.794590][ T6804]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.794616][ T6804]  ? sb_set_blocksize+0x104/0x180
[  214.794638][ T6804]  ? setup_bdev_super+0x4c1/0x5b0
[  214.794658][ T6804]  get_tree_bdev_flags+0x40e/0x4d0
[  214.794677][ T6804]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.794694][ T6804]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.794715][ T6804]  gfs2_get_tree+0x51/0x1e0
[  214.794733][ T6804]  vfs_get_tree+0x92/0x2b0
[  214.794751][ T6804]  do_new_mount+0x2a2/0xa30
[  214.794771][ T6804]  ? ns_capable+0x8a/0xf0
[  214.794792][ T6804]  ? __pfx_do_new_mount+0x10/0x10
[  214.794811][ T6804]  ? path_mount+0x61c/0xfe0
[  214.794828][ T6804]  ? user_path_at+0x44/0x60
[  214.794845][ T6804]  __se_sys_mount+0x317/0x410
[  214.794867][ T6804]  ? __pfx___se_sys_mount+0x10/0x10
[  214.794888][ T6804]  ? rcu_is_watching+0x15/0xb0
[  214.794910][ T6804]  ? __x64_sys_mount+0x20/0xc0
[  214.794930][ T6804]  do_syscall_64+0xfa/0xfa0
[  214.794949][ T6804]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.794965][ T6804]  ? clear_bhb_loop+0x60/0xb0
[  214.794982][ T6804]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.794999][ T6804] RIP: 0033:0x7fbf81d9038a
[  214.795014][ T6804] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.795029][ T6804] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.795048][ T6804] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  214.795060][ T6804] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  214.795073][ T6804] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  214.795085][ T6804] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  214.795097][ T6804] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  214.795117][ T6804]  </TASK>
[  215.093267][ T6804] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.107367][ T6804] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.309332][ T6807] loop1: detected capacity change from 0 to 32768
[  215.323435][ T6807] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.330922][ T6807] CPU: 0 UID: 0 PID: 6807 Comm: syz.1.264 Not tainted syzkaller #0 PREEMPT(full) 
[  215.330945][ T6807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.330956][ T6807] Call Trace:
[  215.330963][ T6807]  <TASK>
[  215.330971][ T6807]  dump_stack_lvl+0x189/0x250
[  215.330995][ T6807]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.331015][ T6807]  ? __pfx__printk+0x10/0x10
[  215.331034][ T6807]  ? kernfs_root+0x1c/0x230
[  215.331052][ T6807]  ? kernfs_path_from_node+0x250/0x290
[  215.331066][ T6807]  ? kernfs_path_from_node+0x2f/0x290
[  215.331083][ T6807]  sysfs_create_dir_ns+0x259/0x280
[  215.331105][ T6807]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.331127][ T6807]  ? do_raw_spin_unlock+0x122/0x240
[  215.331147][ T6807]  kobject_add_internal+0x59f/0xb40
[  215.331168][ T6807]  kobject_init_and_add+0x125/0x190
[  215.331187][ T6807]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.331205][ T6807]  ? __raw_spin_lock_init+0x45/0x100
[  215.331221][ T6807]  ? __init_swait_queue_head+0xa9/0x150
[  215.331238][ T6807]  gfs2_sys_fs_add+0x234/0x450
[  215.331260][ T6807]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.331284][ T6807]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.331308][ T6807]  gfs2_fill_super+0x13c0/0x20d0
[  215.331330][ T6807]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.331349][ T6807]  ? sb_set_blocksize+0x104/0x180
[  215.331370][ T6807]  ? setup_bdev_super+0x4c1/0x5b0
[  215.331390][ T6807]  get_tree_bdev_flags+0x40e/0x4d0
[  215.331408][ T6807]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.331426][ T6807]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.331448][ T6807]  gfs2_get_tree+0x51/0x1e0
[  215.331465][ T6807]  vfs_get_tree+0x92/0x2b0
[  215.331484][ T6807]  do_new_mount+0x2a2/0xa30
[  215.331504][ T6807]  ? ns_capable+0x8a/0xf0
[  215.331525][ T6807]  ? __pfx_do_new_mount+0x10/0x10
[  215.331543][ T6807]  ? path_mount+0x61c/0xfe0
[  215.331567][ T6807]  ? user_path_at+0x44/0x60
[  215.331586][ T6807]  __se_sys_mount+0x317/0x410
[  215.331607][ T6807]  ? __pfx___se_sys_mount+0x10/0x10
[  215.331628][ T6807]  ? rcu_is_watching+0x15/0xb0
[  215.331649][ T6807]  ? __x64_sys_mount+0x20/0xc0
[  215.331669][ T6807]  do_syscall_64+0xfa/0xfa0
[  215.331688][ T6807]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.331704][ T6807]  ? clear_bhb_loop+0x60/0xb0
[  215.331722][ T6807]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.331738][ T6807] RIP: 0033:0x7fbf81d9038a
[  215.331753][ T6807] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.331768][ T6807] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.331787][ T6807] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  215.331800][ T6807] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  215.331813][ T6807] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  215.331825][ T6807] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  215.331836][ T6807] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  215.331855][ T6807]  </TASK>
[  215.332154][ T6807] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.645518][ T6807] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.858176][ T6810] loop1: detected capacity change from 0 to 32768
[  215.868868][ T6810] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.876581][ T6810] CPU: 1 UID: 0 PID: 6810 Comm: syz.1.265 Not tainted syzkaller #0 PREEMPT(full) 
[  215.876604][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.876615][ T6810] Call Trace:
[  215.876622][ T6810]  <TASK>
[  215.876629][ T6810]  dump_stack_lvl+0x189/0x250
[  215.876653][ T6810]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.876670][ T6810]  ? __pfx__printk+0x10/0x10
[  215.876688][ T6810]  ? kernfs_root+0x1c/0x230
[  215.876704][ T6810]  ? kernfs_path_from_node+0x250/0x290
[  215.876718][ T6810]  ? kernfs_path_from_node+0x2f/0x290
[  215.876733][ T6810]  sysfs_create_dir_ns+0x259/0x280
[  215.876755][ T6810]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.876776][ T6810]  ? do_raw_spin_unlock+0x122/0x240
[  215.876795][ T6810]  kobject_add_internal+0x59f/0xb40
[  215.876817][ T6810]  kobject_init_and_add+0x125/0x190
[  215.876837][ T6810]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.876856][ T6810]  ? __raw_spin_lock_init+0x45/0x100
[  215.876871][ T6810]  ? __init_swait_queue_head+0xa9/0x150
[  215.876888][ T6810]  gfs2_sys_fs_add+0x234/0x450
[  215.876910][ T6810]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.876934][ T6810]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.876955][ T6810]  gfs2_fill_super+0x13c0/0x20d0
[  215.876977][ T6810]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.876996][ T6810]  ? sb_set_blocksize+0x104/0x180
[  215.877018][ T6810]  ? setup_bdev_super+0x4c1/0x5b0
[  215.877038][ T6810]  get_tree_bdev_flags+0x40e/0x4d0
[  215.877057][ T6810]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.877073][ T6810]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.877094][ T6810]  gfs2_get_tree+0x51/0x1e0
[  215.877111][ T6810]  vfs_get_tree+0x92/0x2b0
[  215.877129][ T6810]  do_new_mount+0x2a2/0xa30
[  215.877150][ T6810]  ? ns_capable+0x8a/0xf0
[  215.877171][ T6810]  ? __pfx_do_new_mount+0x10/0x10
[  215.877189][ T6810]  ? path_mount+0x61c/0xfe0
[  215.877206][ T6810]  ? user_path_at+0x44/0x60
[  215.877223][ T6810]  __se_sys_mount+0x317/0x410
[  215.877245][ T6810]  ? __pfx___se_sys_mount+0x10/0x10
[  215.877266][ T6810]  ? rcu_is_watching+0x15/0xb0
[  215.877287][ T6810]  ? __x64_sys_mount+0x20/0xc0
[  215.877319][ T6810]  do_syscall_64+0xfa/0xfa0
[  215.877338][ T6810]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.877354][ T6810]  ? clear_bhb_loop+0x60/0xb0
[  215.877373][ T6810]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.877390][ T6810] RIP: 0033:0x7fbf81d9038a
[  215.877406][ T6810] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.877421][ T6810] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.877439][ T6810] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  215.877452][ T6810] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  215.877464][ T6810] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  215.877475][ T6810] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  215.877486][ T6810] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  215.877506][ T6810]  </TASK>
[  215.877524][ T6810] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.192789][ T6810] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.400033][ T6813] loop1: detected capacity change from 0 to 32768
[  216.426340][ T6813] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.444570][ T6813] CPU: 1 UID: 0 PID: 6813 Comm: syz.1.266 Not tainted syzkaller #0 PREEMPT(full) 
[  216.444595][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.444606][ T6813] Call Trace:
[  216.444613][ T6813]  <TASK>
[  216.444621][ T6813]  dump_stack_lvl+0x189/0x250
[  216.444647][ T6813]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.444666][ T6813]  ? __pfx__printk+0x10/0x10
[  216.444685][ T6813]  ? kernfs_root+0x1c/0x230
[  216.444703][ T6813]  ? kernfs_path_from_node+0x250/0x290
[  216.444718][ T6813]  ? kernfs_path_from_node+0x2f/0x290
[  216.444734][ T6813]  sysfs_create_dir_ns+0x259/0x280
[  216.444757][ T6813]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.444779][ T6813]  ? do_raw_spin_unlock+0x122/0x240
[  216.444798][ T6813]  kobject_add_internal+0x59f/0xb40
[  216.444822][ T6813]  kobject_init_and_add+0x125/0x190
[  216.444843][ T6813]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.444863][ T6813]  ? __raw_spin_lock_init+0x45/0x100
[  216.444880][ T6813]  ? __init_swait_queue_head+0xa9/0x150
[  216.444898][ T6813]  gfs2_sys_fs_add+0x234/0x450
[  216.444920][ T6813]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.444944][ T6813]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.444967][ T6813]  gfs2_fill_super+0x13c0/0x20d0
[  216.444991][ T6813]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.445009][ T6813]  ? sb_set_blocksize+0x104/0x180
[  216.445030][ T6813]  ? setup_bdev_super+0x4c1/0x5b0
[  216.445050][ T6813]  get_tree_bdev_flags+0x40e/0x4d0
[  216.445068][ T6813]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.445085][ T6813]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.445108][ T6813]  gfs2_get_tree+0x51/0x1e0
[  216.445126][ T6813]  vfs_get_tree+0x92/0x2b0
[  216.445145][ T6813]  do_new_mount+0x2a2/0xa30
[  216.445165][ T6813]  ? ns_capable+0x8a/0xf0
[  216.445185][ T6813]  ? __pfx_do_new_mount+0x10/0x10
[  216.445211][ T6813]  ? path_mount+0x61c/0xfe0
[  216.445229][ T6813]  ? user_path_at+0x44/0x60
[  216.445247][ T6813]  __se_sys_mount+0x317/0x410
[  216.445269][ T6813]  ? __pfx___se_sys_mount+0x10/0x10
[  216.445290][ T6813]  ? rcu_is_watching+0x15/0xb0
[  216.445311][ T6813]  ? __x64_sys_mount+0x20/0xc0
[  216.445330][ T6813]  do_syscall_64+0xfa/0xfa0
[  216.445350][ T6813]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.445366][ T6813]  ? clear_bhb_loop+0x60/0xb0
[  216.445384][ T6813]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.445400][ T6813] RIP: 0033:0x7fbf81d9038a
[  216.445416][ T6813] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.445429][ T6813] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.445448][ T6813] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  216.445461][ T6813] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  216.445473][ T6813] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  216.445485][ T6813] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  216.445495][ T6813] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  216.445513][ T6813]  </TASK>
[  216.445557][ T6813] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.763850][ T6813] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 04:15:32 executed programs: 252
[  216.965893][ T6816] loop1: detected capacity change from 0 to 32768
[  216.987145][ T6816] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.994735][ T6816] CPU: 0 UID: 0 PID: 6816 Comm: syz.1.267 Not tainted syzkaller #0 PREEMPT(full) 
[  216.994758][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.994768][ T6816] Call Trace:
[  216.994775][ T6816]  <TASK>
[  216.994783][ T6816]  dump_stack_lvl+0x189/0x250
[  216.994808][ T6816]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.994827][ T6816]  ? __pfx__printk+0x10/0x10
[  216.994845][ T6816]  ? kernfs_root+0x1c/0x230
[  216.994861][ T6816]  ? kernfs_path_from_node+0x250/0x290
[  216.994874][ T6816]  ? kernfs_path_from_node+0x2f/0x290
[  216.994889][ T6816]  sysfs_create_dir_ns+0x259/0x280
[  216.994910][ T6816]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.994931][ T6816]  ? do_raw_spin_unlock+0x122/0x240
[  216.994949][ T6816]  kobject_add_internal+0x59f/0xb40
[  216.994971][ T6816]  kobject_init_and_add+0x125/0x190
[  216.994992][ T6816]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.995011][ T6816]  ? __raw_spin_lock_init+0x45/0x100
[  216.995027][ T6816]  ? __init_swait_queue_head+0xa9/0x150
[  216.995044][ T6816]  gfs2_sys_fs_add+0x234/0x450
[  216.995066][ T6816]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.995090][ T6816]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.995114][ T6816]  gfs2_fill_super+0x13c0/0x20d0
[  216.995135][ T6816]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.995153][ T6816]  ? sb_set_blocksize+0x104/0x180
[  216.995174][ T6816]  ? setup_bdev_super+0x4c1/0x5b0
[  216.995204][ T6816]  get_tree_bdev_flags+0x40e/0x4d0
[  216.995223][ T6816]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.995240][ T6816]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.995262][ T6816]  gfs2_get_tree+0x51/0x1e0
[  216.995279][ T6816]  vfs_get_tree+0x92/0x2b0
[  216.995296][ T6816]  do_new_mount+0x2a2/0xa30
[  216.995316][ T6816]  ? ns_capable+0x8a/0xf0
[  216.995336][ T6816]  ? __pfx_do_new_mount+0x10/0x10
[  216.995355][ T6816]  ? path_mount+0x61c/0xfe0
[  216.995371][ T6816]  ? user_path_at+0x44/0x60
[  216.995389][ T6816]  __se_sys_mount+0x317/0x410
[  216.995410][ T6816]  ? __pfx___se_sys_mount+0x10/0x10
[  216.995430][ T6816]  ? rcu_is_watching+0x15/0xb0
[  216.995451][ T6816]  ? __x64_sys_mount+0x20/0xc0
[  216.995471][ T6816]  do_syscall_64+0xfa/0xfa0
[  216.995490][ T6816]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.995504][ T6816]  ? clear_bhb_loop+0x60/0xb0
[  216.995521][ T6816]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.995537][ T6816] RIP: 0033:0x7fbf81d9038a
[  216.995553][ T6816] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.995569][ T6816] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.995589][ T6816] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  216.995603][ T6816] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  216.995615][ T6816] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  216.995626][ T6816] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  216.995638][ T6816] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  216.995656][ T6816]  </TASK>
[  216.995674][ T6816] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.311053][ T6816] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.516220][ T6819] loop1: detected capacity change from 0 to 32768
[  217.529116][ T6819] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.536725][ T6819] CPU: 0 UID: 0 PID: 6819 Comm: syz.1.268 Not tainted syzkaller #0 PREEMPT(full) 
[  217.536748][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.536759][ T6819] Call Trace:
[  217.536766][ T6819]  <TASK>
[  217.536773][ T6819]  dump_stack_lvl+0x189/0x250
[  217.536803][ T6819]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.536822][ T6819]  ? __pfx__printk+0x10/0x10
[  217.536841][ T6819]  ? kernfs_root+0x1c/0x230
[  217.536859][ T6819]  ? kernfs_path_from_node+0x250/0x290
[  217.536873][ T6819]  ? kernfs_path_from_node+0x2f/0x290
[  217.536893][ T6819]  sysfs_create_dir_ns+0x259/0x280
[  217.536916][ T6819]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.536938][ T6819]  ? do_raw_spin_unlock+0x122/0x240
[  217.536958][ T6819]  kobject_add_internal+0x59f/0xb40
[  217.536982][ T6819]  kobject_init_and_add+0x125/0x190
[  217.537004][ T6819]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.537023][ T6819]  ? __raw_spin_lock_init+0x45/0x100
[  217.537040][ T6819]  ? __init_swait_queue_head+0xa9/0x150
[  217.537058][ T6819]  gfs2_sys_fs_add+0x234/0x450
[  217.537080][ T6819]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.537110][ T6819]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.537133][ T6819]  gfs2_fill_super+0x13c0/0x20d0
[  217.537157][ T6819]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.537177][ T6819]  ? sb_set_blocksize+0x104/0x180
[  217.537199][ T6819]  ? setup_bdev_super+0x4c1/0x5b0
[  217.537219][ T6819]  get_tree_bdev_flags+0x40e/0x4d0
[  217.537238][ T6819]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.537256][ T6819]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.537278][ T6819]  gfs2_get_tree+0x51/0x1e0
[  217.537296][ T6819]  vfs_get_tree+0x92/0x2b0
[  217.537316][ T6819]  do_new_mount+0x2a2/0xa30
[  217.537337][ T6819]  ? ns_capable+0x8a/0xf0
[  217.537357][ T6819]  ? __pfx_do_new_mount+0x10/0x10
[  217.537376][ T6819]  ? path_mount+0x61c/0xfe0
[  217.537393][ T6819]  ? user_path_at+0x44/0x60
[  217.537413][ T6819]  __se_sys_mount+0x317/0x410
[  217.537435][ T6819]  ? __pfx___se_sys_mount+0x10/0x10
[  217.537456][ T6819]  ? rcu_is_watching+0x15/0xb0
[  217.537477][ T6819]  ? __x64_sys_mount+0x20/0xc0
[  217.537497][ T6819]  do_syscall_64+0xfa/0xfa0
[  217.537517][ T6819]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.537533][ T6819]  ? clear_bhb_loop+0x60/0xb0
[  217.537551][ T6819]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.537568][ T6819] RIP: 0033:0x7fbf81d9038a
[  217.537583][ T6819] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.537599][ T6819] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.537618][ T6819] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  217.537632][ T6819] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  217.537644][ T6819] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  217.537657][ T6819] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  217.537668][ T6819] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  217.537688][ T6819]  </TASK>
[  217.537706][ T6819] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.853128][ T6819] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.061495][ T6822] loop1: detected capacity change from 0 to 32768
[  218.072520][ T6822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.080164][ T6822] CPU: 0 UID: 0 PID: 6822 Comm: syz.1.269 Not tainted syzkaller #0 PREEMPT(full) 
[  218.080185][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.080196][ T6822] Call Trace:
[  218.080203][ T6822]  <TASK>
[  218.080210][ T6822]  dump_stack_lvl+0x189/0x250
[  218.080234][ T6822]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.080252][ T6822]  ? __pfx__printk+0x10/0x10
[  218.080270][ T6822]  ? kernfs_root+0x1c/0x230
[  218.080287][ T6822]  ? kernfs_path_from_node+0x250/0x290
[  218.080301][ T6822]  ? kernfs_path_from_node+0x2f/0x290
[  218.080316][ T6822]  sysfs_create_dir_ns+0x259/0x280
[  218.080338][ T6822]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.080359][ T6822]  ? do_raw_spin_unlock+0x122/0x240
[  218.080378][ T6822]  kobject_add_internal+0x59f/0xb40
[  218.080403][ T6822]  kobject_init_and_add+0x125/0x190
[  218.080424][ T6822]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.080443][ T6822]  ? __raw_spin_lock_init+0x45/0x100
[  218.080459][ T6822]  ? __init_swait_queue_head+0xa9/0x150
[  218.080476][ T6822]  gfs2_sys_fs_add+0x234/0x450
[  218.080497][ T6822]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.080520][ T6822]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.080542][ T6822]  gfs2_fill_super+0x13c0/0x20d0
[  218.080565][ T6822]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.080583][ T6822]  ? sb_set_blocksize+0x104/0x180
[  218.080604][ T6822]  ? setup_bdev_super+0x4c1/0x5b0
[  218.080624][ T6822]  get_tree_bdev_flags+0x40e/0x4d0
[  218.080642][ T6822]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.080660][ T6822]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.080683][ T6822]  gfs2_get_tree+0x51/0x1e0
[  218.080700][ T6822]  vfs_get_tree+0x92/0x2b0
[  218.080718][ T6822]  do_new_mount+0x2a2/0xa30
[  218.080738][ T6822]  ? ns_capable+0x8a/0xf0
[  218.080759][ T6822]  ? __pfx_do_new_mount+0x10/0x10
[  218.080778][ T6822]  ? path_mount+0x61c/0xfe0
[  218.080796][ T6822]  ? user_path_at+0x44/0x60
[  218.080814][ T6822]  __se_sys_mount+0x317/0x410
[  218.080835][ T6822]  ? __pfx___se_sys_mount+0x10/0x10
[  218.080855][ T6822]  ? rcu_is_watching+0x15/0xb0
[  218.080875][ T6822]  ? __x64_sys_mount+0x20/0xc0
[  218.080895][ T6822]  do_syscall_64+0xfa/0xfa0
[  218.080914][ T6822]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.080929][ T6822]  ? clear_bhb_loop+0x60/0xb0
[  218.080947][ T6822]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.080963][ T6822] RIP: 0033:0x7fbf81d9038a
[  218.080978][ T6822] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.080992][ T6822] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.081012][ T6822] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  218.081025][ T6822] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  218.081037][ T6822] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  218.081048][ T6822] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  218.081069][ T6822] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  218.081088][ T6822]  </TASK>
[  218.081106][ T6822] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.395335][ T6822] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.564604][   T31] INFO: task syz.0.17:6031 blocked for more than 143 seconds.
[  218.572531][   T31]       Not tainted syzkaller #0
[  218.578301][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  218.587313][   T31] task:syz.0.17        state:D stack:23824 pid:6031  tgid:6031  ppid:5969   task_flags:0x400140 flags:0x00004004
[  218.600952][   T31] Call Trace:
[  218.604249][   T31]  <TASK>
[  218.607431][   T31]  __schedule+0x1798/0x4cc0
[  218.612005][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  218.619151][   T31]  ? __pfx___schedule+0x10/0x10
[  218.622704][ T6825] loop1: detected capacity change from 0 to 32768
[  218.624924][   T31]  ? do_raw_spin_lock+0x121/0x290
[  218.635848][   T31]  ? schedule+0x91/0x360
[  218.638878][ T6825] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.640118][   T31]  ? rcu_is_watching+0x15/0xb0
[  218.652562][   T31]  ? rcu_is_watching+0x15/0xb0
[  218.652855][ T6825] CPU: 1 UID: 0 PID: 6825 Comm: syz.1.270 Not tainted syzkaller #0 PREEMPT(full) 
[  218.652876][ T6825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.652887][ T6825] Call Trace:
[  218.652893][ T6825]  <TASK>
[  218.652900][ T6825]  dump_stack_lvl+0x189/0x250
[  218.652923][ T6825]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.652941][ T6825]  ? __pfx__printk+0x10/0x10
[  218.652960][ T6825]  ? kernfs_root+0x1c/0x230
[  218.652977][ T6825]  ? kernfs_path_from_node+0x250/0x290
[  218.652991][ T6825]  ? kernfs_path_from_node+0x2f/0x290
[  218.653006][ T6825]  sysfs_create_dir_ns+0x259/0x280
[  218.653030][ T6825]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.653052][ T6825]  ? do_raw_spin_unlock+0x122/0x240
[  218.653071][ T6825]  kobject_add_internal+0x59f/0xb40
[  218.653094][ T6825]  kobject_init_and_add+0x125/0x190
[  218.653116][ T6825]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.653135][ T6825]  ? __raw_spin_lock_init+0x45/0x100
[  218.653152][ T6825]  ? __init_swait_queue_head+0xa9/0x150
[  218.653169][ T6825]  gfs2_sys_fs_add+0x234/0x450
[  218.653191][ T6825]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.653215][ T6825]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.653244][ T6825]  gfs2_fill_super+0x13c0/0x20d0
[  218.653268][ T6825]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.653286][ T6825]  ? sb_set_blocksize+0x104/0x180
[  218.653307][ T6825]  ? setup_bdev_super+0x4c1/0x5b0
[  218.653327][ T6825]  get_tree_bdev_flags+0x40e/0x4d0
[  218.653345][ T6825]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.653363][ T6825]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.653384][ T6825]  gfs2_get_tree+0x51/0x1e0
[  218.653402][ T6825]  vfs_get_tree+0x92/0x2b0
[  218.653420][ T6825]  do_new_mount+0x2a2/0xa30
[  218.653441][ T6825]  ? ns_capable+0x8a/0xf0
[  218.653461][ T6825]  ? __pfx_do_new_mount+0x10/0x10
[  218.653479][ T6825]  ? path_mount+0x61c/0xfe0
[  218.653496][ T6825]  ? user_path_at+0x44/0x60
[  218.653515][ T6825]  __se_sys_mount+0x317/0x410
[  218.653536][ T6825]  ? __pfx___se_sys_mount+0x10/0x10
[  218.653557][ T6825]  ? rcu_is_watching+0x15/0xb0
[  218.653577][ T6825]  ? __x64_sys_mount+0x20/0xc0
[  218.653597][ T6825]  do_syscall_64+0xfa/0xfa0
[  218.653615][ T6825]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.653631][ T6825]  ? clear_bhb_loop+0x60/0xb0
[  218.653648][ T6825]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.653664][ T6825] RIP: 0033:0x7fbf81d9038a
[  218.653679][ T6825] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.653693][ T6825] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.653711][ T6825] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  218.653724][ T6825] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  218.653737][ T6825] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  218.653748][ T6825] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  218.653759][ T6825] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  218.653777][ T6825]  </TASK>
[  218.653794][ T6825] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.660870][   T31]  ? lock_release+0x4b/0x3e0
[  218.667342][ T6825] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.697329][   T31]  schedule+0x165/0x360
[  218.697357][   T31]  io_schedule+0x80/0xd0
[  218.697376][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  218.997758][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.002552][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  219.008409][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  219.013962][   T31]  ? unwind_next_frame+0xa5/0x2390
[  219.019110][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.023878][   T31]  ? unwind_next_frame+0xa5/0x2390
[  219.029018][   T31]  writeback_iter+0x8d8/0x12a0
[  219.034595][   T31]  iomap_writepages+0x14d/0x2d0
[  219.039556][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  219.044996][   T31]  ? folio_mark_accessed+0x42c/0x8b0
[  219.050293][   T31]  gfs2_writepages+0x177/0x250
[  219.055174][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  219.060471][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  219.065806][   T31]  do_writepages+0x32e/0x550
[  219.070398][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.075203][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  219.080416][   T31]  filemap_fdatawrite+0x199/0x240
[  219.086365][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  219.098698][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.105159][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  219.110370][   T31]  gfs2_log_flush+0x966/0x24c0
[  219.115796][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  219.121189][   T31]  ? __pfx___up_read+0x10/0x10
[  219.126106][   T31]  gfs2_trans_end+0x37c/0x570
[  219.128893][ T6828] loop1: detected capacity change from 0 to 32768
[  219.130791][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  219.130819][   T31]  ? do_page_mkwrite+0x14d/0x310
[  219.148172][ T6828] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.155672][ T6828] CPU: 0 UID: 0 PID: 6828 Comm: syz.1.271 Not tainted syzkaller #0 PREEMPT(full) 
[  219.155695][ T6828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.155706][ T6828] Call Trace:
[  219.155714][ T6828]  <TASK>
[  219.155722][ T6828]  dump_stack_lvl+0x189/0x250
[  219.155746][ T6828]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.155764][ T6828]  ? __pfx__printk+0x10/0x10
[  219.155784][ T6828]  ? kernfs_root+0x1c/0x230
[  219.155802][ T6828]  ? kernfs_path_from_node+0x250/0x290
[  219.155816][ T6828]  ? kernfs_path_from_node+0x2f/0x290
[  219.155833][ T6828]  sysfs_create_dir_ns+0x259/0x280
[  219.155856][ T6828]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.155879][ T6828]  ? do_raw_spin_unlock+0x122/0x240
[  219.155898][ T6828]  kobject_add_internal+0x59f/0xb40
[  219.155923][ T6828]  kobject_init_and_add+0x125/0x190
[  219.155945][ T6828]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.155964][ T6828]  ? __raw_spin_lock_init+0x45/0x100
[  219.155981][ T6828]  ? __init_swait_queue_head+0xa9/0x150
[  219.155999][ T6828]  gfs2_sys_fs_add+0x234/0x450
[  219.156021][ T6828]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.156045][ T6828]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.156068][ T6828]  gfs2_fill_super+0x13c0/0x20d0
[  219.156092][ T6828]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.156111][ T6828]  ? sb_set_blocksize+0x104/0x180
[  219.156132][ T6828]  ? setup_bdev_super+0x4c1/0x5b0
[  219.156153][ T6828]  get_tree_bdev_flags+0x40e/0x4d0
[  219.156171][ T6828]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.156188][ T6828]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.156216][ T6828]  gfs2_get_tree+0x51/0x1e0
[  219.156235][ T6828]  vfs_get_tree+0x92/0x2b0
[  219.156253][ T6828]  do_new_mount+0x2a2/0xa30
[  219.156275][ T6828]  ? ns_capable+0x8a/0xf0
[  219.156295][ T6828]  ? __pfx_do_new_mount+0x10/0x10
[  219.156314][ T6828]  ? path_mount+0x61c/0xfe0
[  219.156331][ T6828]  ? user_path_at+0x44/0x60
[  219.156350][ T6828]  __se_sys_mount+0x317/0x410
[  219.156371][ T6828]  ? __pfx___se_sys_mount+0x10/0x10
[  219.156393][ T6828]  ? rcu_is_watching+0x15/0xb0
[  219.156414][ T6828]  ? __x64_sys_mount+0x20/0xc0
[  219.156434][ T6828]  do_syscall_64+0xfa/0xfa0
[  219.156453][ T6828]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.156469][ T6828]  ? clear_bhb_loop+0x60/0xb0
[  219.156487][ T6828]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.156504][ T6828] RIP: 0033:0x7fbf81d9038a
[  219.156519][ T6828] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.156535][ T6828] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.156554][ T6828] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  219.156567][ T6828] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  219.156580][ T6828] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  219.156592][ T6828] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  219.156604][ T6828] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  219.156623][ T6828]  </TASK>
[  219.156641][ T6828] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.207974][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  219.212235][ T6828] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.217380][   T31]  ? gfs2_fault+0x19a/0x1f0
[  219.490164][   T31]  ? do_page_mkwrite+0x14d/0x310
[  219.495159][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.499935][   T31]  do_page_mkwrite+0x14d/0x310
[  219.504743][   T31]  __handle_mm_fault+0x1916/0x5400
[  219.509885][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  219.515574][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.520355][   T31]  ? lock_vma_under_rcu+0x3cb/0x450
[  219.525607][   T31]  ? __pfx_do_futex+0x10/0x10
[  219.530289][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  219.536222][   T31]  handle_mm_fault+0x40a/0x8e0
[  219.541085][   T31]  do_user_addr_fault+0xa81/0x1390
[  219.546609][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.551567][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  219.556988][   T31]  exc_page_fault+0x82/0x100
[  219.562369][   T31]  asm_exc_page_fault+0x26/0x30
[  219.567274][   T31] RIP: 0033:0x7f0286e550b3
[  219.571686][   T31] RSP: 002b:00007ffe7a7c6650 EFLAGS: 00010246
[  219.577792][   T31] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[  219.585799][   T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000555594d693c8
[  219.592064][ T6832] loop1: detected capacity change from 0 to 32768
[  219.593763][   T31] RBP: 00007ffe7a7c6758 R08: 0000000000000000 R09: 0000000000000000
[  219.608313][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f02871b5fac
[  219.616647][   T31] R13: 00007f02871b5fa0 R14: fffffffffffffffe R15: 0000000000000006
[  219.624766][   T31]  </TASK>
[  219.624970][ T6832] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.627875][   T31] INFO: lockdep is turned off.
[  219.639969][   T31] NMI backtrace for cpu 1
[  219.639982][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  219.640002][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.640013][   T31] Call Trace:
[  219.640020][   T31]  <TASK>
[  219.640026][   T31]  dump_stack_lvl+0x189/0x250
[  219.640047][   T31]  ? vprintk_emit+0x444/0x7a0
[  219.640069][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.640086][   T31]  ? __pfx__printk+0x10/0x10
[  219.640109][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  219.640142][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  219.640163][   T31]  ? __pfx__printk+0x10/0x10
[  219.640184][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  219.640205][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  219.640233][   T31]  watchdog+0xf60/0xfa0
[  219.640253][   T31]  ? watchdog+0x1e2/0xfa0
[  219.640273][   T31]  kthread+0x711/0x8a0
[  219.640291][   T31]  ? __pfx_watchdog+0x10/0x10
[  219.640308][   T31]  ? __pfx_kthread+0x10/0x10
[  219.640325][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  219.640342][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  219.640359][   T31]  ? __pfx_kthread+0x10/0x10
[  219.640376][   T31]  ret_from_fork+0x47c/0x820
[  219.640398][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  219.640420][   T31]  ? __switch_to_asm+0x39/0x70
[  219.640439][   T31]  ? __switch_to_asm+0x33/0x70
[  219.640457][   T31]  ? __pfx_kthread+0x10/0x10
[  219.640472][   T31]  ret_from_fork_asm+0x1a/0x30
[  219.640496][   T31]  </TASK>
[  219.640504][   T31] Sending NMI from CPU 1 to CPUs 0:
[  219.664743][ T6832] CPU: 0 UID: 0 PID: 6832 Comm: syz.1.272 Not tainted syzkaller #0 PREEMPT(full) 
[  219.664766][ T6832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.664778][ T6832] Call Trace:
[  219.664785][ T6832]  <TASK>
[  219.664792][ T6832]  dump_stack_lvl+0x189/0x250
[  219.664817][ T6832]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.664835][ T6832]  ? __pfx__printk+0x10/0x10
[  219.664853][ T6832]  ? kernfs_root+0x1c/0x230
[  219.664870][ T6832]  ? kernfs_path_from_node+0x250/0x290
[  219.664884][ T6832]  ? kernfs_path_from_node+0x2f/0x290
[  219.664899][ T6832]  sysfs_create_dir_ns+0x259/0x280
[  219.664918][ T6832]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.664938][ T6832]  ? do_raw_spin_unlock+0x122/0x240
[  219.664957][ T6832]  kobject_add_internal+0x59f/0xb40
[  219.664982][ T6832]  kobject_init_and_add+0x125/0x190
[  219.665003][ T6832]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.665022][ T6832]  ? __raw_spin_lock_init+0x45/0x100
[  219.665039][ T6832]  ? __init_swait_queue_head+0xa9/0x150
[  219.665056][ T6832]  gfs2_sys_fs_add+0x234/0x450
[  219.665079][ T6832]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.665103][ T6832]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.665126][ T6832]  gfs2_fill_super+0x13c0/0x20d0
[  219.665149][ T6832]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.665176][ T6832]  ? sb_set_blocksize+0x104/0x180
[  219.665197][ T6832]  ? setup_bdev_super+0x4c1/0x5b0
[  219.665217][ T6832]  get_tree_bdev_flags+0x40e/0x4d0
[  219.665235][ T6832]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.665251][ T6832]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.665273][ T6832]  gfs2_get_tree+0x51/0x1e0
[  219.665290][ T6832]  vfs_get_tree+0x92/0x2b0
[  219.665308][ T6832]  do_new_mount+0x2a2/0xa30
[  219.665329][ T6832]  ? ns_capable+0x8a/0xf0
[  219.665349][ T6832]  ? __pfx_do_new_mount+0x10/0x10
[  219.665368][ T6832]  ? path_mount+0x61c/0xfe0
[  219.665385][ T6832]  ? user_path_at+0x44/0x60
[  219.665403][ T6832]  __se_sys_mount+0x317/0x410
[  219.665424][ T6832]  ? __pfx___se_sys_mount+0x10/0x10
[  219.665444][ T6832]  ? rcu_is_watching+0x15/0xb0
[  219.665464][ T6832]  ? __x64_sys_mount+0x20/0xc0
[  219.665484][ T6832]  do_syscall_64+0xfa/0xfa0
[  219.665503][ T6832]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.665518][ T6832]  ? clear_bhb_loop+0x60/0xb0
[  219.665535][ T6832]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.665551][ T6832] RIP: 0033:0x7fbf81d9038a
[  219.665566][ T6832] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.665580][ T6832] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.665599][ T6832] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  219.665612][ T6832] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  219.665624][ T6832] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  219.665635][ T6832] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  219.665646][ T6832] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  219.665665][ T6832]  </TASK>
[  219.665682][ T6832] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.668727][    C0] NMI backtrace for cpu 0
[  219.668739][    C0] CPU: 0 UID: 0 PID: 6832 Comm: syz.1.272 Not tainted syzkaller #0 PREEMPT(full) 
[  219.668757][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.668767][    C0] RIP: 0010:io_serial_in+0x77/0xc0
[  219.668785][    C0] Code: e8 1e 6e 6d fc 44 89 f9 d3 e3 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 cf 17 d1 fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc cc cc 44 89 f9 80 e1 07
[  219.668798][    C0] RSP: 0018:ffffc900048d7158 EFLAGS: 00000006
[  219.668812][    C0] RAX: 1ffffffff3401505 RBX: 00000000000003f9 RCX: 0000000000000000
[  219.668824][    C0] RDX: 00000000000003f9 RSI: 0000000000000000 RDI: 0000000000000020
[  219.668834][    C0] RBP: ffffc900048d7330 R08: 0000000000000003 R09: 0000000000000004
[  219.668844][    C0] R10: dffffc0000000000 R11: ffffffff85532060 R12: dffffc0000000000
[  219.668856][    C0] R13: dffffc0000000000 R14: ffffffff9a00af20 R15: 0000000000000000
[  219.668868][    C0] FS:  0000555567ae4500(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000
[  219.668882][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  219.668893][    C0] CR2: 00007fe574b75000 CR3: 000000007dbba000 CR4: 00000000003526f0
[  219.668908][    C0] Call Trace:
[  219.668914][    C0]  <TASK>
[  219.668922][    C0]  serial8250_console_write+0x581/0x1ba0
[  219.668940][    C0]  ? format_decode+0xd9/0xe30
[  219.668961][    C0]  ? __pfx_serial8250_console_write+0x10/0x10
[  219.668977][    C0]  ? console_flush_all+0x13a/0xc40
[  219.668992][    C0]  ? rcu_is_watching+0x15/0xb0
[  219.669011][    C0]  ? lock_acquire+0x5f/0x360
[  219.669029][    C0]  ? do_raw_spin_unlock+0x122/0x240
[  219.669044][    C0]  ? console_flush_all+0x13a/0xc40
[  219.669058][    C0]  ? console_flush_all+0x13a/0xc40
[  219.669072][    C0]  console_flush_all+0x725/0xc40
[  219.669088][    C0]  ? console_flush_all+0x13a/0xc40
[  219.669104][    C0]  ? __pfx_console_flush_all+0x10/0x10
[  219.669120][    C0]  ? kasan_save_track+0x4f/0x80
[  219.669137][    C0]  ? is_printk_cpu_sync_owner+0x32/0x40
[  219.669155][    C0]  console_unlock+0xc4/0x270
[  219.669180][    C0]  ? __pfx_console_unlock+0x10/0x10
[  219.669198][    C0]  ? vprintk_emit+0x444/0x7a0
[  219.669218][    C0]  ? vprintk_emit+0x444/0x7a0
[  219.669236][    C0]  ? vprintk_emit+0x444/0x7a0
[  219.669255][    C0]  vprintk_emit+0x5b7/0x7a0
[  219.669273][    C0]  ? vprintk_emit+0x444/0x7a0
[  219.669292][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  219.669313][    C0]  ? rcu_is_watching+0x15/0xb0
[  219.669335][    C0]  _printk+0xcf/0x120
[  219.669354][    C0]  ? __pfx__printk+0x10/0x10
[  219.669372][    C0]  ? kobject_put+0x43f/0x480
[  219.669388][    C0]  ? kobj_kset_leave+0x163/0x190
[  219.669407][    C0]  kobject_add_internal+0x873/0xb40
[  219.669427][    C0]  kobject_init_and_add+0x125/0x190
[  219.669446][    C0]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.669463][    C0]  ? __raw_spin_lock_init+0x45/0x100
[  219.669478][    C0]  ? __init_swait_queue_head+0xa9/0x150
[  219.669494][    C0]  gfs2_sys_fs_add+0x234/0x450
[  219.669513][    C0]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.669534][    C0]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.669555][    C0]  gfs2_fill_super+0x13c0/0x20d0
[  219.669576][    C0]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.669593][    C0]  ? sb_set_blocksize+0x104/0x180
[  219.669611][    C0]  ? setup_bdev_super+0x4c1/0x5b0
[  219.669629][    C0]  get_tree_bdev_flags+0x40e/0x4d0
[  219.669645][    C0]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.669661][    C0]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.669681][    C0]  gfs2_get_tree+0x51/0x1e0
[  219.669698][    C0]  vfs_get_tree+0x92/0x2b0
[  219.669715][    C0]  do_new_mount+0x2a2/0xa30
[  219.669733][    C0]  ? ns_capable+0x8a/0xf0
[  219.669750][    C0]  ? __pfx_do_new_mount+0x10/0x10
[  219.669766][    C0]  ? path_mount+0x61c/0xfe0
[  219.669782][    C0]  ? user_path_at+0x44/0x60
[  219.669799][    C0]  __se_sys_mount+0x317/0x410
[  219.669819][    C0]  ? __pfx___se_sys_mount+0x10/0x10
[  219.669837][    C0]  ? rcu_is_watching+0x15/0xb0
[  219.669855][    C0]  ? __x64_sys_mount+0x20/0xc0
[  219.669872][    C0]  do_syscall_64+0xfa/0xfa0
[  219.669889][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.669904][    C0]  ? clear_bhb_loop+0x60/0xb0
[  219.669920][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.669935][    C0] RIP: 0033:0x7fbf81d9038a
[  219.669946][    C0] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.669959][    C0] RSP: 002b:00007ffc332d3ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.669975][    C0] RAX: ffffffffffffffda RBX: 00007ffc332d3b60 RCX: 00007fbf81d9038a
[  219.669987][    C0] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc332d3b20
[  219.669998][    C0] RBP: 000020000001f680 R08: 00007ffc332d3b60 R09: 0000000000000094
[  219.670009][    C0] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  219.670020][    C0] R13: 00007ffc332d3b20 R14: 000000000001f790 R15: 00002000000001c0
[  219.670037][    C0]  </TASK>
[  219.671304][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  219.671319][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  219.671338][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.671348][   T31] Call Trace:
[  219.671356][   T31]  <TASK>
[  219.671363][   T31]  dump_stack_lvl+0x99/0x250
[  219.671385][   T31]  ? __asan_memcpy+0x40/0x70
[  219.671402][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.671421][   T31]  ? __pfx__printk+0x10/0x10
[  219.671446][   T31]  vpanic+0x281/0x750
[  219.671465][   T31]  ? __pfx_vpanic+0x10/0x10
[  219.671482][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.671502][   T31]  ? preempt_schedule+0xae/0xc0
[  219.671522][   T31]  ? preempt_schedule_common+0x83/0xd0
[  219.671542][   T31]  panic+0xb9/0xc0
[  219.671559][   T31]  ? __pfx_panic+0x10/0x10
[  219.671577][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  219.671595][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  219.671619][   T31]  watchdog+0xf9f/0xfa0
[  219.671640][   T31]  ? watchdog+0x1e2/0xfa0
[  219.671660][   T31]  kthread+0x711/0x8a0
[  219.671678][   T31]  ? __pfx_watchdog+0x10/0x10
[  219.671696][   T31]  ? __pfx_kthread+0x10/0x10
[  219.671713][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  219.671732][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  219.671749][   T31]  ? __pfx_kthread+0x10/0x10
[  219.671766][   T31]  ret_from_fork+0x47c/0x820
[  219.671789][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  219.671813][   T31]  ? __switch_to_asm+0x39/0x70
[  219.671832][   T31]  ? __switch_to_asm+0x33/0x70
[  219.671851][   T31]  ? __pfx_kthread+0x10/0x10
[  219.671868][   T31]  ret_from_fork_asm+0x1a/0x30
[  219.671895][   T31]  </TASK>
[  219.673240][   T31] Kernel Offset: disabled