1]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.557345][ T6571]  ? __raw_spin_lock_init+0x45/0x100
[  209.557364][ T6571]  ? __init_swait_queue_head+0xa9/0x150
[  209.557382][ T6571]  gfs2_sys_fs_add+0x234/0x450
[  209.557410][ T6571]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.557436][ T6571]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.557462][ T6571]  gfs2_fill_super+0x13c0/0x20d0
[  209.557489][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.557511][ T6571]  ? sb_set_blocksize+0x104/0x180
[  209.557536][ T6571]  ? setup_bdev_super+0x4c1/0x5b0
[  209.557560][ T6571]  get_tree_bdev_flags+0x40e/0x4d0
[  209.557581][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.557601][ T6571]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.557626][ T6571]  gfs2_get_tree+0x51/0x1e0
[  209.557648][ T6571]  vfs_get_tree+0x92/0x2b0
[  209.557669][ T6571]  do_new_mount+0x2a2/0xa30
[  209.557694][ T6571]  ? ns_capable+0x8a/0xf0
[  209.557719][ T6571]  ? __pfx_do_new_mount+0x10/0x10
[  209.557751][ T6571]  ? path_mount+0x61c/0xfe0
[  209.557772][ T6571]  ? user_path_at+0x44/0x60
[  209.557792][ T6571]  __se_sys_mount+0x317/0x410
[  209.557819][ T6571]  ? __pfx___se_sys_mount+0x10/0x10
[  209.557850][ T6571]  ? rcu_is_watching+0x15/0xb0
[  209.557875][ T6571]  ? __x64_sys_mount+0x20/0xc0
[  209.557899][ T6571]  do_syscall_64+0xfa/0xfa0
[  209.557921][ T6571]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.557939][ T6571]  ? clear_bhb_loop+0x60/0xb0
[  209.557960][ T6571]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.557977][ T6571] RIP: 0033:0x7f7a00d9038a
[  209.557994][ T6571] 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
[  209.558010][ T6571] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.558033][ T6571] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  209.558048][ T6571] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  209.558061][ T6571] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  209.558074][ T6571] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  209.558087][ T6571] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  209.558107][ T6571]  </TASK>
[  209.558128][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.877743][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.267092][ T6574] loop1: detected capacity change from 0 to 32768
[  210.278369][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.285797][ T6574] CPU: 0 UID: 0 PID: 6574 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  210.285822][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.285834][ T6574] Call Trace:
[  210.285842][ T6574]  <TASK>
[  210.285850][ T6574]  dump_stack_lvl+0x189/0x250
[  210.285880][ T6574]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.285902][ T6574]  ? __pfx__printk+0x10/0x10
[  210.285940][ T6574]  ? kernfs_root+0x1c/0x230
[  210.285959][ T6574]  ? kernfs_path_from_node+0x250/0x290
[  210.285975][ T6574]  ? kernfs_path_from_node+0x2f/0x290
[  210.285992][ T6574]  sysfs_create_dir_ns+0x259/0x280
[  210.286020][ T6574]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.286046][ T6574]  ? do_raw_spin_unlock+0x122/0x240
[  210.286069][ T6574]  kobject_add_internal+0x59f/0xb40
[  210.286097][ T6574]  kobject_init_and_add+0x125/0x190
[  210.286122][ T6574]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.286144][ T6574]  ? __raw_spin_lock_init+0x45/0x100
[  210.286163][ T6574]  ? __init_swait_queue_head+0xa9/0x150
[  210.286183][ T6574]  gfs2_sys_fs_add+0x234/0x450
[  210.286211][ T6574]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.286237][ T6574]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.286264][ T6574]  gfs2_fill_super+0x13c0/0x20d0
[  210.286291][ T6574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.286313][ T6574]  ? sb_set_blocksize+0x104/0x180
[  210.286338][ T6574]  ? setup_bdev_super+0x4c1/0x5b0
[  210.286361][ T6574]  get_tree_bdev_flags+0x40e/0x4d0
[  210.286382][ T6574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.286401][ T6574]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.286427][ T6574]  gfs2_get_tree+0x51/0x1e0
[  210.286448][ T6574]  vfs_get_tree+0x92/0x2b0
[  210.286471][ T6574]  do_new_mount+0x2a2/0xa30
[  210.286497][ T6574]  ? ns_capable+0x8a/0xf0
[  210.286522][ T6574]  ? __pfx_do_new_mount+0x10/0x10
[  210.286544][ T6574]  ? path_mount+0x61c/0xfe0
[  210.286565][ T6574]  ? user_path_at+0x44/0x60
[  210.286585][ T6574]  __se_sys_mount+0x317/0x410
[  210.286611][ T6574]  ? __pfx___se_sys_mount+0x10/0x10
[  210.286635][ T6574]  ? rcu_is_watching+0x15/0xb0
[  210.286660][ T6574]  ? __x64_sys_mount+0x20/0xc0
[  210.286682][ T6574]  do_syscall_64+0xfa/0xfa0
[  210.286705][ T6574]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.286723][ T6574]  ? clear_bhb_loop+0x60/0xb0
[  210.286743][ T6574]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.286761][ T6574] RIP: 0033:0x7f7a00d9038a
[  210.286779][ T6574] 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
[  210.286795][ T6574] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.286817][ T6574] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  210.286832][ T6574] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  210.286845][ T6574] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  210.286858][ T6574] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  210.286871][ T6574] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  210.286908][ T6574]  </TASK>
[  210.286938][ T6574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.606813][ T6574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.944247][ T6577] loop1: detected capacity change from 0 to 32768
[  210.960597][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.968127][ T6577] CPU: 1 UID: 0 PID: 6577 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  210.968153][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.968165][ T6577] Call Trace:
[  210.968173][ T6577]  <TASK>
[  210.968181][ T6577]  dump_stack_lvl+0x189/0x250
[  210.968210][ T6577]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.968232][ T6577]  ? __pfx__printk+0x10/0x10
[  210.968260][ T6577]  ? kernfs_root+0x1c/0x230
[  210.968279][ T6577]  ? kernfs_path_from_node+0x250/0x290
[  210.968294][ T6577]  ? kernfs_path_from_node+0x2f/0x290
[  210.968310][ T6577]  sysfs_create_dir_ns+0x259/0x280
[  210.968337][ T6577]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.968363][ T6577]  ? do_raw_spin_unlock+0x122/0x240
[  210.968385][ T6577]  kobject_add_internal+0x59f/0xb40
[  210.968414][ T6577]  kobject_init_and_add+0x125/0x190
[  210.968437][ T6577]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.968459][ T6577]  ? __raw_spin_lock_init+0x45/0x100
[  210.968478][ T6577]  ? __init_swait_queue_head+0xa9/0x150
[  210.968498][ T6577]  gfs2_sys_fs_add+0x234/0x450
[  210.968526][ T6577]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.968553][ T6577]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.968580][ T6577]  gfs2_fill_super+0x13c0/0x20d0
[  210.968607][ T6577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.968629][ T6577]  ? sb_set_blocksize+0x104/0x180
[  210.968653][ T6577]  ? setup_bdev_super+0x4c1/0x5b0
[  210.968676][ T6577]  get_tree_bdev_flags+0x40e/0x4d0
[  210.968709][ T6577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.968729][ T6577]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.968752][ T6577]  gfs2_get_tree+0x51/0x1e0
[  210.968771][ T6577]  vfs_get_tree+0x92/0x2b0
[  210.968791][ T6577]  do_new_mount+0x2a2/0xa30
[  210.968815][ T6577]  ? ns_capable+0x8a/0xf0
[  210.968839][ T6577]  ? __pfx_do_new_mount+0x10/0x10
[  210.968860][ T6577]  ? path_mount+0x61c/0xfe0
[  210.968880][ T6577]  ? user_path_at+0x44/0x60
[  210.968900][ T6577]  __se_sys_mount+0x317/0x410
[  210.968926][ T6577]  ? __pfx___se_sys_mount+0x10/0x10
[  210.968949][ T6577]  ? rcu_is_watching+0x15/0xb0
[  210.968974][ T6577]  ? __x64_sys_mount+0x20/0xc0
[  210.968997][ T6577]  do_syscall_64+0xfa/0xfa0
[  210.969019][ T6577]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.969038][ T6577]  ? clear_bhb_loop+0x60/0xb0
[  210.969058][ T6577]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.969076][ T6577] RIP: 0033:0x7f7a00d9038a
[  210.969094][ T6577] 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
[  210.969111][ T6577] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.969132][ T6577] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  210.969146][ T6577] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  210.969159][ T6577] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  210.969172][ T6577] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  210.969185][ T6577] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  210.969206][ T6577]  </TASK>
[  211.275071][ T6577] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.290208][ T6577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.624701][ T6580] loop1: detected capacity change from 0 to 32768
[  211.639156][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.646755][ T6580] CPU: 0 UID: 0 PID: 6580 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  211.646781][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.646793][ T6580] Call Trace:
[  211.646800][ T6580]  <TASK>
[  211.646809][ T6580]  dump_stack_lvl+0x189/0x250
[  211.646838][ T6580]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.646860][ T6580]  ? __pfx__printk+0x10/0x10
[  211.646883][ T6580]  ? kernfs_root+0x1c/0x230
[  211.646902][ T6580]  ? kernfs_path_from_node+0x250/0x290
[  211.646918][ T6580]  ? kernfs_path_from_node+0x2f/0x290
[  211.646936][ T6580]  sysfs_create_dir_ns+0x259/0x280
[  211.646964][ T6580]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.646990][ T6580]  ? do_raw_spin_unlock+0x122/0x240
[  211.647013][ T6580]  kobject_add_internal+0x59f/0xb40
[  211.647042][ T6580]  kobject_init_and_add+0x125/0x190
[  211.647067][ T6580]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.647090][ T6580]  ? __raw_spin_lock_init+0x45/0x100
[  211.647108][ T6580]  ? __init_swait_queue_head+0xa9/0x150
[  211.647128][ T6580]  gfs2_sys_fs_add+0x234/0x450
[  211.647155][ T6580]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.647184][ T6580]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.647210][ T6580]  gfs2_fill_super+0x13c0/0x20d0
[  211.647236][ T6580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.647259][ T6580]  ? sb_set_blocksize+0x104/0x180
[  211.647283][ T6580]  ? setup_bdev_super+0x4c1/0x5b0
[  211.647306][ T6580]  get_tree_bdev_flags+0x40e/0x4d0
[  211.647328][ T6580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.647347][ T6580]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.647373][ T6580]  gfs2_get_tree+0x51/0x1e0
[  211.647394][ T6580]  vfs_get_tree+0x92/0x2b0
[  211.647417][ T6580]  do_new_mount+0x2a2/0xa30
[  211.647440][ T6580]  ? ns_capable+0x8a/0xf0
[  211.647463][ T6580]  ? __pfx_do_new_mount+0x10/0x10
[  211.647484][ T6580]  ? path_mount+0x61c/0xfe0
[  211.647505][ T6580]  ? user_path_at+0x44/0x60
[  211.647525][ T6580]  __se_sys_mount+0x317/0x410
[  211.647551][ T6580]  ? __pfx___se_sys_mount+0x10/0x10
[  211.647576][ T6580]  ? rcu_is_watching+0x15/0xb0
[  211.647600][ T6580]  ? __x64_sys_mount+0x20/0xc0
[  211.647625][ T6580]  do_syscall_64+0xfa/0xfa0
[  211.647647][ T6580]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.647676][ T6580]  ? clear_bhb_loop+0x60/0xb0
[  211.647697][ T6580]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.647715][ T6580] RIP: 0033:0x7f7a00d9038a
[  211.647733][ T6580] 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
[  211.647749][ T6580] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.647772][ T6580] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  211.647786][ T6580] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  211.647799][ T6580] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  211.647813][ T6580] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  211.647832][ T6580] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  211.647854][ T6580]  </TASK>
[  211.647881][ T6580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.965405][ T6580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.294020][ T6583] loop1: detected capacity change from 0 to 32768
[  212.305367][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.313148][ T6583] CPU: 0 UID: 0 PID: 6583 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  212.313175][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.313187][ T6583] Call Trace:
[  212.313195][ T6583]  <TASK>
[  212.313203][ T6583]  dump_stack_lvl+0x189/0x250
[  212.313231][ T6583]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.313255][ T6583]  ? __pfx__printk+0x10/0x10
[  212.313278][ T6583]  ? kernfs_root+0x1c/0x230
[  212.313298][ T6583]  ? kernfs_path_from_node+0x250/0x290
[  212.313314][ T6583]  ? kernfs_path_from_node+0x2f/0x290
[  212.313333][ T6583]  sysfs_create_dir_ns+0x259/0x280
[  212.313359][ T6583]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.313387][ T6583]  ? do_raw_spin_unlock+0x122/0x240
[  212.313408][ T6583]  kobject_add_internal+0x59f/0xb40
[  212.313435][ T6583]  kobject_init_and_add+0x125/0x190
[  212.313460][ T6583]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.313483][ T6583]  ? __raw_spin_lock_init+0x45/0x100
[  212.313502][ T6583]  ? __init_swait_queue_head+0xa9/0x150
[  212.313523][ T6583]  gfs2_sys_fs_add+0x234/0x450
[  212.313549][ T6583]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.313577][ T6583]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.313603][ T6583]  gfs2_fill_super+0x13c0/0x20d0
[  212.313629][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.313651][ T6583]  ? sb_set_blocksize+0x104/0x180
[  212.313676][ T6583]  ? setup_bdev_super+0x4c1/0x5b0
[  212.313699][ T6583]  get_tree_bdev_flags+0x40e/0x4d0
[  212.313736][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.313757][ T6583]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.313783][ T6583]  gfs2_get_tree+0x51/0x1e0
[  212.313804][ T6583]  vfs_get_tree+0x92/0x2b0
[  212.313825][ T6583]  do_new_mount+0x2a2/0xa30
[  212.313849][ T6583]  ? ns_capable+0x8a/0xf0
[  212.313875][ T6583]  ? __pfx_do_new_mount+0x10/0x10
[  212.313897][ T6583]  ? path_mount+0x61c/0xfe0
[  212.313918][ T6583]  ? user_path_at+0x44/0x60
[  212.313939][ T6583]  __se_sys_mount+0x317/0x410
[  212.313964][ T6583]  ? __pfx___se_sys_mount+0x10/0x10
[  212.313988][ T6583]  ? rcu_is_watching+0x15/0xb0
[  212.314012][ T6583]  ? __x64_sys_mount+0x20/0xc0
[  212.314036][ T6583]  do_syscall_64+0xfa/0xfa0
[  212.314058][ T6583]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.314077][ T6583]  ? clear_bhb_loop+0x60/0xb0
[  212.314098][ T6583]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.314116][ T6583] RIP: 0033:0x7f7a00d9038a
[  212.314134][ T6583] 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
[  212.314150][ T6583] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.314172][ T6583] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  212.314186][ T6583] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  212.314200][ T6583] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  212.314213][ T6583] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  212.314225][ T6583] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  212.314245][ T6583]  </TASK>
[  212.314265][ T6583] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.632591][ T6583] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 11:31:23 executed programs: 176
[  212.967791][ T6586] loop1: detected capacity change from 0 to 32768
[  212.991653][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.999444][ T6586] CPU: 1 UID: 0 PID: 6586 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  212.999470][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.999482][ T6586] Call Trace:
[  212.999489][ T6586]  <TASK>
[  212.999497][ T6586]  dump_stack_lvl+0x189/0x250
[  212.999525][ T6586]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.999548][ T6586]  ? __pfx__printk+0x10/0x10
[  212.999571][ T6586]  ? kernfs_root+0x1c/0x230
[  212.999590][ T6586]  ? kernfs_path_from_node+0x250/0x290
[  212.999605][ T6586]  ? kernfs_path_from_node+0x2f/0x290
[  212.999623][ T6586]  sysfs_create_dir_ns+0x259/0x280
[  212.999661][ T6586]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.999688][ T6586]  ? do_raw_spin_unlock+0x122/0x240
[  212.999710][ T6586]  kobject_add_internal+0x59f/0xb40
[  212.999737][ T6586]  kobject_init_and_add+0x125/0x190
[  212.999762][ T6586]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.999783][ T6586]  ? __raw_spin_lock_init+0x45/0x100
[  212.999802][ T6586]  ? __init_swait_queue_head+0xa9/0x150
[  212.999821][ T6586]  gfs2_sys_fs_add+0x234/0x450
[  212.999848][ T6586]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.999877][ T6586]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.999904][ T6586]  gfs2_fill_super+0x13c0/0x20d0
[  212.999931][ T6586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.999954][ T6586]  ? sb_set_blocksize+0x104/0x180
[  212.999978][ T6586]  ? setup_bdev_super+0x4c1/0x5b0
[  212.999999][ T6586]  get_tree_bdev_flags+0x40e/0x4d0
[  213.000020][ T6586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.000040][ T6586]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.000066][ T6586]  gfs2_get_tree+0x51/0x1e0
[  213.000087][ T6586]  vfs_get_tree+0x92/0x2b0
[  213.000108][ T6586]  do_new_mount+0x2a2/0xa30
[  213.000133][ T6586]  ? ns_capable+0x8a/0xf0
[  213.000158][ T6586]  ? __pfx_do_new_mount+0x10/0x10
[  213.000181][ T6586]  ? path_mount+0x61c/0xfe0
[  213.000202][ T6586]  ? user_path_at+0x44/0x60
[  213.000223][ T6586]  __se_sys_mount+0x317/0x410
[  213.000249][ T6586]  ? __pfx___se_sys_mount+0x10/0x10
[  213.000273][ T6586]  ? rcu_is_watching+0x15/0xb0
[  213.000298][ T6586]  ? __x64_sys_mount+0x20/0xc0
[  213.000320][ T6586]  do_syscall_64+0xfa/0xfa0
[  213.000343][ T6586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.000361][ T6586]  ? clear_bhb_loop+0x60/0xb0
[  213.000381][ T6586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.000400][ T6586] RIP: 0033:0x7f7a00d9038a
[  213.000417][ T6586] 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
[  213.000434][ T6586] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.000457][ T6586] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  213.000472][ T6586] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  213.000486][ T6586] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  213.000499][ T6586] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.000512][ T6586] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  213.000534][ T6586]  </TASK>
[  213.000554][ T6586] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.318693][ T6586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.645548][ T6589] loop1: detected capacity change from 0 to 32768
[  213.658865][ T6589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.666637][ T6589] CPU: 0 UID: 0 PID: 6589 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  213.666662][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.666674][ T6589] Call Trace:
[  213.666681][ T6589]  <TASK>
[  213.666689][ T6589]  dump_stack_lvl+0x189/0x250
[  213.666717][ T6589]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.666739][ T6589]  ? __pfx__printk+0x10/0x10
[  213.666762][ T6589]  ? kernfs_root+0x1c/0x230
[  213.666782][ T6589]  ? kernfs_path_from_node+0x250/0x290
[  213.666798][ T6589]  ? kernfs_path_from_node+0x2f/0x290
[  213.666816][ T6589]  sysfs_create_dir_ns+0x259/0x280
[  213.666842][ T6589]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.666869][ T6589]  ? do_raw_spin_unlock+0x122/0x240
[  213.666892][ T6589]  kobject_add_internal+0x59f/0xb40
[  213.666927][ T6589]  kobject_init_and_add+0x125/0x190
[  213.666953][ T6589]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.666976][ T6589]  ? __raw_spin_lock_init+0x45/0x100
[  213.666995][ T6589]  ? __init_swait_queue_head+0xa9/0x150
[  213.667014][ T6589]  gfs2_sys_fs_add+0x234/0x450
[  213.667042][ T6589]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.667068][ T6589]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.667094][ T6589]  gfs2_fill_super+0x13c0/0x20d0
[  213.667120][ T6589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.667142][ T6589]  ? sb_set_blocksize+0x104/0x180
[  213.667166][ T6589]  ? setup_bdev_super+0x4c1/0x5b0
[  213.667190][ T6589]  get_tree_bdev_flags+0x40e/0x4d0
[  213.667212][ T6589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.667233][ T6589]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.667257][ T6589]  gfs2_get_tree+0x51/0x1e0
[  213.667279][ T6589]  vfs_get_tree+0x92/0x2b0
[  213.667301][ T6589]  do_new_mount+0x2a2/0xa30
[  213.667324][ T6589]  ? ns_capable+0x8a/0xf0
[  213.667349][ T6589]  ? __pfx_do_new_mount+0x10/0x10
[  213.667370][ T6589]  ? path_mount+0x61c/0xfe0
[  213.667391][ T6589]  ? user_path_at+0x44/0x60
[  213.667411][ T6589]  __se_sys_mount+0x317/0x410
[  213.667437][ T6589]  ? __pfx___se_sys_mount+0x10/0x10
[  213.667462][ T6589]  ? rcu_is_watching+0x15/0xb0
[  213.667486][ T6589]  ? __x64_sys_mount+0x20/0xc0
[  213.667510][ T6589]  do_syscall_64+0xfa/0xfa0
[  213.667533][ T6589]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.667552][ T6589]  ? clear_bhb_loop+0x60/0xb0
[  213.667572][ T6589]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.667589][ T6589] RIP: 0033:0x7f7a00d9038a
[  213.667606][ T6589] 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
[  213.667623][ T6589] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.667645][ T6589] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  213.667659][ T6589] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  213.667671][ T6589] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  213.667684][ T6589] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.667698][ T6589] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  213.667719][ T6589]  </TASK>
[  213.667748][ T6589] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.986129][ T6589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.313093][ T6592] loop1: detected capacity change from 0 to 32768
[  214.329282][ T6592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.336881][ T6592] CPU: 1 UID: 0 PID: 6592 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  214.336906][ T6592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.336918][ T6592] Call Trace:
[  214.336926][ T6592]  <TASK>
[  214.336934][ T6592]  dump_stack_lvl+0x189/0x250
[  214.336973][ T6592]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.336994][ T6592]  ? __pfx__printk+0x10/0x10
[  214.337017][ T6592]  ? kernfs_root+0x1c/0x230
[  214.337037][ T6592]  ? kernfs_path_from_node+0x250/0x290
[  214.337053][ T6592]  ? kernfs_path_from_node+0x2f/0x290
[  214.337071][ T6592]  sysfs_create_dir_ns+0x259/0x280
[  214.337100][ T6592]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.337126][ T6592]  ? do_raw_spin_unlock+0x122/0x240
[  214.337148][ T6592]  kobject_add_internal+0x59f/0xb40
[  214.337176][ T6592]  kobject_init_and_add+0x125/0x190
[  214.337202][ T6592]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.337225][ T6592]  ? __raw_spin_lock_init+0x45/0x100
[  214.337244][ T6592]  ? __init_swait_queue_head+0xa9/0x150
[  214.337264][ T6592]  gfs2_sys_fs_add+0x234/0x450
[  214.337292][ T6592]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.337320][ T6592]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.337347][ T6592]  gfs2_fill_super+0x13c0/0x20d0
[  214.337373][ T6592]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.337395][ T6592]  ? sb_set_blocksize+0x104/0x180
[  214.337420][ T6592]  ? setup_bdev_super+0x4c1/0x5b0
[  214.337441][ T6592]  get_tree_bdev_flags+0x40e/0x4d0
[  214.337463][ T6592]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.337483][ T6592]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.337509][ T6592]  gfs2_get_tree+0x51/0x1e0
[  214.337530][ T6592]  vfs_get_tree+0x92/0x2b0
[  214.337551][ T6592]  do_new_mount+0x2a2/0xa30
[  214.337577][ T6592]  ? ns_capable+0x8a/0xf0
[  214.337603][ T6592]  ? __pfx_do_new_mount+0x10/0x10
[  214.337623][ T6592]  ? path_mount+0x61c/0xfe0
[  214.337645][ T6592]  ? user_path_at+0x44/0x60
[  214.337666][ T6592]  __se_sys_mount+0x317/0x410
[  214.337692][ T6592]  ? __pfx___se_sys_mount+0x10/0x10
[  214.337716][ T6592]  ? rcu_is_watching+0x15/0xb0
[  214.337741][ T6592]  ? __x64_sys_mount+0x20/0xc0
[  214.337764][ T6592]  do_syscall_64+0xfa/0xfa0
[  214.337785][ T6592]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.337803][ T6592]  ? clear_bhb_loop+0x60/0xb0
[  214.337823][ T6592]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.337841][ T6592] RIP: 0033:0x7f7a00d9038a
[  214.337858][ T6592] 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
[  214.337875][ T6592] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.337897][ T6592] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  214.337912][ T6592] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  214.337925][ T6592] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  214.337938][ T6592] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  214.337961][ T6592] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  214.337981][ T6592]  </TASK>
[  214.338003][ T6592] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.656537][ T6592] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.982149][ T6595] loop1: detected capacity change from 0 to 32768
[  214.996090][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.003653][ T6595] CPU: 0 UID: 0 PID: 6595 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  215.003679][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.003700][ T6595] Call Trace:
[  215.003708][ T6595]  <TASK>
[  215.003716][ T6595]  dump_stack_lvl+0x189/0x250
[  215.003744][ T6595]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.003765][ T6595]  ? __pfx__printk+0x10/0x10
[  215.003787][ T6595]  ? kernfs_root+0x1c/0x230
[  215.003807][ T6595]  ? kernfs_path_from_node+0x250/0x290
[  215.003823][ T6595]  ? kernfs_path_from_node+0x2f/0x290
[  215.003842][ T6595]  sysfs_create_dir_ns+0x259/0x280
[  215.003870][ T6595]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.003896][ T6595]  ? do_raw_spin_unlock+0x122/0x240
[  215.003917][ T6595]  kobject_add_internal+0x59f/0xb40
[  215.003944][ T6595]  kobject_init_and_add+0x125/0x190
[  215.003969][ T6595]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.003992][ T6595]  ? __raw_spin_lock_init+0x45/0x100
[  215.004011][ T6595]  ? __init_swait_queue_head+0xa9/0x150
[  215.004030][ T6595]  gfs2_sys_fs_add+0x234/0x450
[  215.004057][ T6595]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.004085][ T6595]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.004110][ T6595]  gfs2_fill_super+0x13c0/0x20d0
[  215.004137][ T6595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.004160][ T6595]  ? sb_set_blocksize+0x104/0x180
[  215.004184][ T6595]  ? setup_bdev_super+0x4c1/0x5b0
[  215.004207][ T6595]  get_tree_bdev_flags+0x40e/0x4d0
[  215.004230][ T6595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.004249][ T6595]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.004274][ T6595]  gfs2_get_tree+0x51/0x1e0
[  215.004296][ T6595]  vfs_get_tree+0x92/0x2b0
[  215.004319][ T6595]  do_new_mount+0x2a2/0xa30
[  215.004343][ T6595]  ? ns_capable+0x8a/0xf0
[  215.004368][ T6595]  ? __pfx_do_new_mount+0x10/0x10
[  215.004389][ T6595]  ? path_mount+0x61c/0xfe0
[  215.004409][ T6595]  ? user_path_at+0x44/0x60
[  215.004430][ T6595]  __se_sys_mount+0x317/0x410
[  215.004455][ T6595]  ? __pfx___se_sys_mount+0x10/0x10
[  215.004481][ T6595]  ? rcu_is_watching+0x15/0xb0
[  215.004505][ T6595]  ? __x64_sys_mount+0x20/0xc0
[  215.004528][ T6595]  do_syscall_64+0xfa/0xfa0
[  215.004552][ T6595]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.004570][ T6595]  ? clear_bhb_loop+0x60/0xb0
[  215.004589][ T6595]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.004607][ T6595] RIP: 0033:0x7f7a00d9038a
[  215.004625][ T6595] 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
[  215.004642][ T6595] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.004664][ T6595] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  215.004679][ T6595] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  215.004702][ T6595] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  215.004715][ T6595] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.004728][ T6595] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  215.004748][ T6595]  </TASK>
[  215.004774][ T6595] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.325418][ T6595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.661104][ T6598] loop1: detected capacity change from 0 to 32768
[  215.674001][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.681880][ T6598] CPU: 1 UID: 0 PID: 6598 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  215.681905][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.681918][ T6598] Call Trace:
[  215.681925][ T6598]  <TASK>
[  215.681933][ T6598]  dump_stack_lvl+0x189/0x250
[  215.681962][ T6598]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.681984][ T6598]  ? __pfx__printk+0x10/0x10
[  215.682007][ T6598]  ? kernfs_root+0x1c/0x230
[  215.682026][ T6598]  ? kernfs_path_from_node+0x250/0x290
[  215.682041][ T6598]  ? kernfs_path_from_node+0x2f/0x290
[  215.682059][ T6598]  sysfs_create_dir_ns+0x259/0x280
[  215.682087][ T6598]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.682123][ T6598]  ? do_raw_spin_unlock+0x122/0x240
[  215.682145][ T6598]  kobject_add_internal+0x59f/0xb40
[  215.682172][ T6598]  kobject_init_and_add+0x125/0x190
[  215.682198][ T6598]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.682220][ T6598]  ? __raw_spin_lock_init+0x45/0x100
[  215.682238][ T6598]  ? __init_swait_queue_head+0xa9/0x150
[  215.682259][ T6598]  gfs2_sys_fs_add+0x234/0x450
[  215.682285][ T6598]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.682313][ T6598]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.682340][ T6598]  gfs2_fill_super+0x13c0/0x20d0
[  215.682365][ T6598]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.682387][ T6598]  ? sb_set_blocksize+0x104/0x180
[  215.682412][ T6598]  ? setup_bdev_super+0x4c1/0x5b0
[  215.682434][ T6598]  get_tree_bdev_flags+0x40e/0x4d0
[  215.682456][ T6598]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.682476][ T6598]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.682502][ T6598]  gfs2_get_tree+0x51/0x1e0
[  215.682523][ T6598]  vfs_get_tree+0x92/0x2b0
[  215.682544][ T6598]  do_new_mount+0x2a2/0xa30
[  215.682568][ T6598]  ? ns_capable+0x8a/0xf0
[  215.682594][ T6598]  ? __pfx_do_new_mount+0x10/0x10
[  215.682617][ T6598]  ? path_mount+0x61c/0xfe0
[  215.682657][ T6598]  ? user_path_at+0x44/0x60
[  215.682678][ T6598]  __se_sys_mount+0x317/0x410
[  215.682705][ T6598]  ? __pfx___se_sys_mount+0x10/0x10
[  215.682729][ T6598]  ? rcu_is_watching+0x15/0xb0
[  215.682755][ T6598]  ? __x64_sys_mount+0x20/0xc0
[  215.682778][ T6598]  do_syscall_64+0xfa/0xfa0
[  215.682800][ T6598]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.682819][ T6598]  ? clear_bhb_loop+0x60/0xb0
[  215.682846][ T6598]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.682865][ T6598] RIP: 0033:0x7f7a00d9038a
[  215.682881][ T6598] 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
[  215.682896][ T6598] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.682919][ T6598] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  215.682934][ T6598] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  215.682948][ T6598] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  215.682961][ T6598] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.682973][ T6598] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  215.682995][ T6598]  </TASK>
[  215.683014][ T6598] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.001031][ T6598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.336554][ T6601] loop1: detected capacity change from 0 to 32768
[  216.346036][ T6601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.355901][ T6601] CPU: 0 UID: 0 PID: 6601 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  216.355967][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.355979][ T6601] Call Trace:
[  216.355987][ T6601]  <TASK>
[  216.355996][ T6601]  dump_stack_lvl+0x189/0x250
[  216.356023][ T6601]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.356045][ T6601]  ? __pfx__printk+0x10/0x10
[  216.356067][ T6601]  ? kernfs_root+0x1c/0x230
[  216.356088][ T6601]  ? kernfs_path_from_node+0x250/0x290
[  216.356104][ T6601]  ? kernfs_path_from_node+0x2f/0x290
[  216.356122][ T6601]  sysfs_create_dir_ns+0x259/0x280
[  216.356151][ T6601]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.356177][ T6601]  ? do_raw_spin_unlock+0x122/0x240
[  216.356199][ T6601]  kobject_add_internal+0x59f/0xb40
[  216.356225][ T6601]  kobject_init_and_add+0x125/0x190
[  216.356248][ T6601]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.356269][ T6601]  ? __raw_spin_lock_init+0x45/0x100
[  216.356288][ T6601]  ? __init_swait_queue_head+0xa9/0x150
[  216.356307][ T6601]  gfs2_sys_fs_add+0x234/0x450
[  216.356334][ T6601]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.356360][ T6601]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.356387][ T6601]  gfs2_fill_super+0x13c0/0x20d0
[  216.356412][ T6601]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.356433][ T6601]  ? sb_set_blocksize+0x104/0x180
[  216.356458][ T6601]  ? setup_bdev_super+0x4c1/0x5b0
[  216.356481][ T6601]  get_tree_bdev_flags+0x40e/0x4d0
[  216.356501][ T6601]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.356521][ T6601]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.356547][ T6601]  gfs2_get_tree+0x51/0x1e0
[  216.356568][ T6601]  vfs_get_tree+0x92/0x2b0
[  216.356590][ T6601]  do_new_mount+0x2a2/0xa30
[  216.356616][ T6601]  ? ns_capable+0x8a/0xf0
[  216.356639][ T6601]  ? __pfx_do_new_mount+0x10/0x10
[  216.356660][ T6601]  ? path_mount+0x61c/0xfe0
[  216.356680][ T6601]  ? user_path_at+0x44/0x60
[  216.356699][ T6601]  __se_sys_mount+0x317/0x410
[  216.356725][ T6601]  ? __pfx___se_sys_mount+0x10/0x10
[  216.356750][ T6601]  ? rcu_is_watching+0x15/0xb0
[  216.356775][ T6601]  ? __x64_sys_mount+0x20/0xc0
[  216.356798][ T6601]  do_syscall_64+0xfa/0xfa0
[  216.356820][ T6601]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.356838][ T6601]  ? clear_bhb_loop+0x60/0xb0
[  216.356858][ T6601]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.356876][ T6601] RIP: 0033:0x7f7a00d9038a
[  216.356894][ T6601] 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
[  216.356910][ T6601] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.356942][ T6601] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  216.356956][ T6601] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  216.356970][ T6601] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  216.356983][ T6601] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  216.356996][ T6601] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  216.357018][ T6601]  </TASK>
[  216.357039][ T6601] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.676601][ T6601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.015576][ T6604] loop1: detected capacity change from 0 to 32768
[  217.029831][ T6604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.037278][ T6604] CPU: 1 UID: 0 PID: 6604 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  217.037305][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.037317][ T6604] Call Trace:
[  217.037325][ T6604]  <TASK>
[  217.037334][ T6604]  dump_stack_lvl+0x189/0x250
[  217.037363][ T6604]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.037385][ T6604]  ? __pfx__printk+0x10/0x10
[  217.037408][ T6604]  ? kernfs_root+0x1c/0x230
[  217.037428][ T6604]  ? kernfs_path_from_node+0x250/0x290
[  217.037444][ T6604]  ? kernfs_path_from_node+0x2f/0x290
[  217.037462][ T6604]  sysfs_create_dir_ns+0x259/0x280
[  217.037488][ T6604]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.037515][ T6604]  ? do_raw_spin_unlock+0x122/0x240
[  217.037536][ T6604]  kobject_add_internal+0x59f/0xb40
[  217.037565][ T6604]  kobject_init_and_add+0x125/0x190
[  217.037590][ T6604]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.037612][ T6604]  ? __raw_spin_lock_init+0x45/0x100
[  217.037632][ T6604]  ? __init_swait_queue_head+0xa9/0x150
[  217.037661][ T6604]  gfs2_sys_fs_add+0x234/0x450
[  217.037689][ T6604]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.037717][ T6604]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.037744][ T6604]  gfs2_fill_super+0x13c0/0x20d0
[  217.037770][ T6604]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.037792][ T6604]  ? sb_set_blocksize+0x104/0x180
[  217.037816][ T6604]  ? setup_bdev_super+0x4c1/0x5b0
[  217.037839][ T6604]  get_tree_bdev_flags+0x40e/0x4d0
[  217.037861][ T6604]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.037879][ T6604]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.037905][ T6604]  gfs2_get_tree+0x51/0x1e0
[  217.037925][ T6604]  vfs_get_tree+0x92/0x2b0
[  217.037948][ T6604]  do_new_mount+0x2a2/0xa30
[  217.037973][ T6604]  ? ns_capable+0x8a/0xf0
[  217.037998][ T6604]  ? __pfx_do_new_mount+0x10/0x10
[  217.038020][ T6604]  ? path_mount+0x61c/0xfe0
[  217.038040][ T6604]  ? user_path_at+0x44/0x60
[  217.038061][ T6604]  __se_sys_mount+0x317/0x410
[  217.038087][ T6604]  ? __pfx___se_sys_mount+0x10/0x10
[  217.038112][ T6604]  ? rcu_is_watching+0x15/0xb0
[  217.038137][ T6604]  ? __x64_sys_mount+0x20/0xc0
[  217.038162][ T6604]  do_syscall_64+0xfa/0xfa0
[  217.038185][ T6604]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.038203][ T6604]  ? clear_bhb_loop+0x60/0xb0
[  217.038223][ T6604]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.038242][ T6604] RIP: 0033:0x7f7a00d9038a
[  217.038266][ T6604] 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
[  217.038282][ T6604] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.038304][ T6604] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  217.038318][ T6604] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  217.038331][ T6604] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  217.038344][ T6604] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.038357][ T6604] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  217.038378][ T6604]  </TASK>
[  217.340846][ T6604] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.355550][ T6604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.684061][ T6607] loop1: detected capacity change from 0 to 32768
[  217.706087][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.713728][ T6607] CPU: 1 UID: 0 PID: 6607 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  217.713755][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.713767][ T6607] Call Trace:
[  217.713775][ T6607]  <TASK>
[  217.713784][ T6607]  dump_stack_lvl+0x189/0x250
[  217.713825][ T6607]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.713857][ T6607]  ? __pfx__printk+0x10/0x10
[  217.713882][ T6607]  ? kernfs_root+0x1c/0x230
[  217.713902][ T6607]  ? kernfs_path_from_node+0x250/0x290
[  217.713919][ T6607]  ? kernfs_path_from_node+0x2f/0x290
[  217.713937][ T6607]  sysfs_create_dir_ns+0x259/0x280
[  217.713966][ T6607]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.713994][ T6607]  ? do_raw_spin_unlock+0x122/0x240
[  217.714016][ T6607]  kobject_add_internal+0x59f/0xb40
[  217.714045][ T6607]  kobject_init_and_add+0x125/0x190
[  217.714070][ T6607]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.714093][ T6607]  ? __raw_spin_lock_init+0x45/0x100
[  217.714113][ T6607]  ? __init_swait_queue_head+0xa9/0x150
[  217.714133][ T6607]  gfs2_sys_fs_add+0x234/0x450
[  217.714161][ T6607]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.714190][ T6607]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.714217][ T6607]  gfs2_fill_super+0x13c0/0x20d0
[  217.714244][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.714266][ T6607]  ? sb_set_blocksize+0x104/0x180
[  217.714291][ T6607]  ? setup_bdev_super+0x4c1/0x5b0
[  217.714315][ T6607]  get_tree_bdev_flags+0x40e/0x4d0
[  217.714338][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.714359][ T6607]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.714385][ T6607]  gfs2_get_tree+0x51/0x1e0
[  217.714407][ T6607]  vfs_get_tree+0x92/0x2b0
[  217.714429][ T6607]  do_new_mount+0x2a2/0xa30
[  217.714455][ T6607]  ? ns_capable+0x8a/0xf0
[  217.714480][ T6607]  ? __pfx_do_new_mount+0x10/0x10
[  217.714503][ T6607]  ? path_mount+0x61c/0xfe0
[  217.714524][ T6607]  ? user_path_at+0x44/0x60
[  217.714545][ T6607]  __se_sys_mount+0x317/0x410
[  217.714571][ T6607]  ? __pfx___se_sys_mount+0x10/0x10
[  217.714596][ T6607]  ? rcu_is_watching+0x15/0xb0
[  217.714619][ T6607]  ? __x64_sys_mount+0x20/0xc0
[  217.714644][ T6607]  do_syscall_64+0xfa/0xfa0
[  217.714667][ T6607]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.714686][ T6607]  ? clear_bhb_loop+0x60/0xb0
[  217.714707][ T6607]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.714726][ T6607] RIP: 0033:0x7f7a00d9038a
[  217.714744][ T6607] 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
[  217.714761][ T6607] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.714784][ T6607] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  217.714799][ T6607] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  217.714812][ T6607] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  217.714826][ T6607] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.714839][ T6607] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  217.714870][ T6607]  </TASK>
[  217.714892][ T6607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.033861][ T6607] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 11:31:28 executed programs: 184
[  218.364336][ T6610] loop1: detected capacity change from 0 to 32768
[  218.379164][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.386721][ T6610] CPU: 1 UID: 0 PID: 6610 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  218.386746][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.386758][ T6610] Call Trace:
[  218.386765][ T6610]  <TASK>
[  218.386773][ T6610]  dump_stack_lvl+0x189/0x250
[  218.386803][ T6610]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.386826][ T6610]  ? __pfx__printk+0x10/0x10
[  218.386849][ T6610]  ? kernfs_root+0x1c/0x230
[  218.386869][ T6610]  ? kernfs_path_from_node+0x250/0x290
[  218.386885][ T6610]  ? kernfs_path_from_node+0x2f/0x290
[  218.386904][ T6610]  sysfs_create_dir_ns+0x259/0x280
[  218.386930][ T6610]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.386955][ T6610]  ? do_raw_spin_unlock+0x122/0x240
[  218.386977][ T6610]  kobject_add_internal+0x59f/0xb40
[  218.387004][ T6610]  kobject_init_and_add+0x125/0x190
[  218.387027][ T6610]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.387051][ T6610]  ? __raw_spin_lock_init+0x45/0x100
[  218.387070][ T6610]  ? __init_swait_queue_head+0xa9/0x150
[  218.387090][ T6610]  gfs2_sys_fs_add+0x234/0x450
[  218.387118][ T6610]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.387146][ T6610]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.387172][ T6610]  gfs2_fill_super+0x13c0/0x20d0
[  218.387199][ T6610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.387220][ T6610]  ? sb_set_blocksize+0x104/0x180
[  218.387244][ T6610]  ? setup_bdev_super+0x4c1/0x5b0
[  218.387267][ T6610]  get_tree_bdev_flags+0x40e/0x4d0
[  218.387289][ T6610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.387309][ T6610]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.387334][ T6610]  gfs2_get_tree+0x51/0x1e0
[  218.387354][ T6610]  vfs_get_tree+0x92/0x2b0
[  218.387376][ T6610]  do_new_mount+0x2a2/0xa30
[  218.387401][ T6610]  ? ns_capable+0x8a/0xf0
[  218.387424][ T6610]  ? __pfx_do_new_mount+0x10/0x10
[  218.387446][ T6610]  ? path_mount+0x61c/0xfe0
[  218.387467][ T6610]  ? user_path_at+0x44/0x60
[  218.387487][ T6610]  __se_sys_mount+0x317/0x410
[  218.387513][ T6610]  ? __pfx___se_sys_mount+0x10/0x10
[  218.387539][ T6610]  ? rcu_is_watching+0x15/0xb0
[  218.387564][ T6610]  ? __x64_sys_mount+0x20/0xc0
[  218.387588][ T6610]  do_syscall_64+0xfa/0xfa0
[  218.387610][ T6610]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.387628][ T6610]  ? clear_bhb_loop+0x60/0xb0
[  218.387648][ T6610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.387666][ T6610] RIP: 0033:0x7f7a00d9038a
[  218.387693][ T6610] 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
[  218.387710][ T6610] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.387733][ T6610] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  218.387748][ T6610] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  218.387763][ T6610] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  218.387776][ T6610] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  218.387788][ T6610] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  218.387809][ T6610]  </TASK>
[  218.387835][ T6610] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.707492][ T6610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.025735][ T6613] loop1: detected capacity change from 0 to 32768
[  219.034378][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.042234][ T6613] CPU: 1 UID: 0 PID: 6613 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  219.042260][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.042271][ T6613] Call Trace:
[  219.042279][ T6613]  <TASK>
[  219.042288][ T6613]  dump_stack_lvl+0x189/0x250
[  219.042317][ T6613]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.042339][ T6613]  ? __pfx__printk+0x10/0x10
[  219.042361][ T6613]  ? kernfs_root+0x1c/0x230
[  219.042380][ T6613]  ? kernfs_path_from_node+0x250/0x290
[  219.042396][ T6613]  ? kernfs_path_from_node+0x2f/0x290
[  219.042414][ T6613]  sysfs_create_dir_ns+0x259/0x280
[  219.042442][ T6613]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.042467][ T6613]  ? do_raw_spin_unlock+0x122/0x240
[  219.042488][ T6613]  kobject_add_internal+0x59f/0xb40
[  219.042516][ T6613]  kobject_init_and_add+0x125/0x190
[  219.042541][ T6613]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.042563][ T6613]  ? __raw_spin_lock_init+0x45/0x100
[  219.042582][ T6613]  ? __init_swait_queue_head+0xa9/0x150
[  219.042601][ T6613]  gfs2_sys_fs_add+0x234/0x450
[  219.042627][ T6613]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.042655][ T6613]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.042694][ T6613]  gfs2_fill_super+0x13c0/0x20d0
[  219.042722][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.042744][ T6613]  ? sb_set_blocksize+0x104/0x180
[  219.042768][ T6613]  ? setup_bdev_super+0x4c1/0x5b0
[  219.042790][ T6613]  get_tree_bdev_flags+0x40e/0x4d0
[  219.042812][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.042839][ T6613]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.042866][ T6613]  gfs2_get_tree+0x51/0x1e0
[  219.042886][ T6613]  vfs_get_tree+0x92/0x2b0
[  219.042908][ T6613]  do_new_mount+0x2a2/0xa30
[  219.042931][ T6613]  ? ns_capable+0x8a/0xf0
[  219.042957][ T6613]  ? __pfx_do_new_mount+0x10/0x10
[  219.042979][ T6613]  ? path_mount+0x61c/0xfe0
[  219.043000][ T6613]  ? user_path_at+0x44/0x60
[  219.043020][ T6613]  __se_sys_mount+0x317/0x410
[  219.043046][ T6613]  ? __pfx___se_sys_mount+0x10/0x10
[  219.043071][ T6613]  ? rcu_is_watching+0x15/0xb0
[  219.043105][ T6613]  ? __x64_sys_mount+0x20/0xc0
[  219.043130][ T6613]  do_syscall_64+0xfa/0xfa0
[  219.043152][ T6613]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.043172][ T6613]  ? clear_bhb_loop+0x60/0xb0
[  219.043192][ T6613]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.043209][ T6613] RIP: 0033:0x7f7a00d9038a
[  219.043226][ T6613] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.043243][ T6613] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.043265][ T6613] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  219.043280][ T6613] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  219.043292][ T6613] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  219.043305][ T6613] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.043318][ T6613] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  219.043339][ T6613]  </TASK>
[  219.043360][ T6613] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.363606][ T6613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.685247][ T6616] loop1: detected capacity change from 0 to 32768
[  219.706989][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.725801][ T6616] CPU: 1 UID: 0 PID: 6616 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  219.725828][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.725839][ T6616] Call Trace:
[  219.725845][ T6616]  <TASK>
[  219.725853][ T6616]  dump_stack_lvl+0x189/0x250
[  219.725879][ T6616]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.725901][ T6616]  ? __pfx__printk+0x10/0x10
[  219.725924][ T6616]  ? kernfs_root+0x1c/0x230
[  219.725944][ T6616]  ? kernfs_path_from_node+0x250/0x290
[  219.725960][ T6616]  ? kernfs_path_from_node+0x2f/0x290
[  219.725978][ T6616]  sysfs_create_dir_ns+0x259/0x280
[  219.726007][ T6616]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.726035][ T6616]  ? do_raw_spin_unlock+0x122/0x240
[  219.726057][ T6616]  kobject_add_internal+0x59f/0xb40
[  219.726086][ T6616]  kobject_init_and_add+0x125/0x190
[  219.726111][ T6616]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.726142][ T6616]  ? __raw_spin_lock_init+0x45/0x100
[  219.726162][ T6616]  ? __init_swait_queue_head+0xa9/0x150
[  219.726181][ T6616]  gfs2_sys_fs_add+0x234/0x450
[  219.726210][ T6616]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.726238][ T6616]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.726265][ T6616]  gfs2_fill_super+0x13c0/0x20d0
[  219.726292][ T6616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.726314][ T6616]  ? sb_set_blocksize+0x104/0x180
[  219.726339][ T6616]  ? setup_bdev_super+0x4c1/0x5b0
[  219.726363][ T6616]  get_tree_bdev_flags+0x40e/0x4d0
[  219.726385][ T6616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.726405][ T6616]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.726431][ T6616]  gfs2_get_tree+0x51/0x1e0
[  219.726453][ T6616]  vfs_get_tree+0x92/0x2b0
[  219.726474][ T6616]  do_new_mount+0x2a2/0xa30
[  219.726499][ T6616]  ? ns_capable+0x8a/0xf0
[  219.726524][ T6616]  ? __pfx_do_new_mount+0x10/0x10
[  219.726546][ T6616]  ? path_mount+0x61c/0xfe0
[  219.726567][ T6616]  ? user_path_at+0x44/0x60
[  219.726603][ T6616]  __se_sys_mount+0x317/0x410
[  219.726630][ T6616]  ? __pfx___se_sys_mount+0x10/0x10
[  219.726656][ T6616]  ? rcu_is_watching+0x15/0xb0
[  219.726681][ T6616]  ? __x64_sys_mount+0x20/0xc0
[  219.726714][ T6616]  do_syscall_64+0xfa/0xfa0
[  219.726737][ T6616]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.726756][ T6616]  ? clear_bhb_loop+0x60/0xb0
[  219.726777][ T6616]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.726796][ T6616] RIP: 0033:0x7f7a00d9038a
[  219.726813][ T6616] 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
[  219.726829][ T6616] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.726852][ T6616] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  219.726867][ T6616] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  219.726880][ T6616] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  219.726893][ T6616] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.726906][ T6616] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  219.726927][ T6616]  </TASK>
[  219.726947][ T6616] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.045453][ T6616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.410847][ T6619] loop1: detected capacity change from 0 to 32768
[  220.427855][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.435653][ T6619] CPU: 0 UID: 0 PID: 6619 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  220.435678][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.435689][ T6619] Call Trace:
[  220.435696][ T6619]  <TASK>
[  220.435705][ T6619]  dump_stack_lvl+0x189/0x250
[  220.435733][ T6619]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.435756][ T6619]  ? __pfx__printk+0x10/0x10
[  220.435778][ T6619]  ? kernfs_root+0x1c/0x230
[  220.435797][ T6619]  ? kernfs_path_from_node+0x250/0x290
[  220.435813][ T6619]  ? kernfs_path_from_node+0x2f/0x290
[  220.435831][ T6619]  sysfs_create_dir_ns+0x259/0x280
[  220.435858][ T6619]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.435884][ T6619]  ? do_raw_spin_unlock+0x122/0x240
[  220.435918][ T6619]  kobject_add_internal+0x59f/0xb40
[  220.435946][ T6619]  kobject_init_and_add+0x125/0x190
[  220.435970][ T6619]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.435992][ T6619]  ? __raw_spin_lock_init+0x45/0x100
[  220.436012][ T6619]  ? __init_swait_queue_head+0xa9/0x150
[  220.436033][ T6619]  gfs2_sys_fs_add+0x234/0x450
[  220.436059][ T6619]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.436087][ T6619]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.436114][ T6619]  gfs2_fill_super+0x13c0/0x20d0
[  220.436141][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.436163][ T6619]  ? sb_set_blocksize+0x104/0x180
[  220.436186][ T6619]  ? setup_bdev_super+0x4c1/0x5b0
[  220.436209][ T6619]  get_tree_bdev_flags+0x40e/0x4d0
[  220.436230][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.436250][ T6619]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.436276][ T6619]  gfs2_get_tree+0x51/0x1e0
[  220.436296][ T6619]  vfs_get_tree+0x92/0x2b0
[  220.436318][ T6619]  do_new_mount+0x2a2/0xa30
[  220.436342][ T6619]  ? ns_capable+0x8a/0xf0
[  220.436367][ T6619]  ? __pfx_do_new_mount+0x10/0x10
[  220.436389][ T6619]  ? path_mount+0x61c/0xfe0
[  220.436410][ T6619]  ? user_path_at+0x44/0x60
[  220.436430][ T6619]  __se_sys_mount+0x317/0x410
[  220.436456][ T6619]  ? __pfx___se_sys_mount+0x10/0x10
[  220.436480][ T6619]  ? rcu_is_watching+0x15/0xb0
[  220.436505][ T6619]  ? __x64_sys_mount+0x20/0xc0
[  220.436530][ T6619]  do_syscall_64+0xfa/0xfa0
[  220.436551][ T6619]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.436570][ T6619]  ? clear_bhb_loop+0x60/0xb0
[  220.436590][ T6619]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.436609][ T6619] RIP: 0033:0x7f7a00d9038a
[  220.436626][ T6619] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.436643][ T6619] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.436664][ T6619] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  220.436678][ T6619] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  220.436691][ T6619] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  220.436704][ T6619] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.436717][ T6619] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  220.436737][ T6619]  </TASK>
[  220.436756][ T6619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.758117][ T6619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.090469][ T6622] loop1: detected capacity change from 0 to 32768
[  221.099903][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.107352][ T6622] CPU: 0 UID: 0 PID: 6622 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  221.107377][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.107389][ T6622] Call Trace:
[  221.107396][ T6622]  <TASK>
[  221.107404][ T6622]  dump_stack_lvl+0x189/0x250
[  221.107432][ T6622]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.107462][ T6622]  ? __pfx__printk+0x10/0x10
[  221.107484][ T6622]  ? kernfs_root+0x1c/0x230
[  221.107502][ T6622]  ? kernfs_path_from_node+0x250/0x290
[  221.107516][ T6622]  ? kernfs_path_from_node+0x2f/0x290
[  221.107533][ T6622]  sysfs_create_dir_ns+0x259/0x280
[  221.107559][ T6622]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.107584][ T6622]  ? do_raw_spin_unlock+0x122/0x240
[  221.107605][ T6622]  kobject_add_internal+0x59f/0xb40
[  221.107641][ T6622]  kobject_init_and_add+0x125/0x190
[  221.107665][ T6622]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.107686][ T6622]  ? __raw_spin_lock_init+0x45/0x100
[  221.107704][ T6622]  ? __init_swait_queue_head+0xa9/0x150
[  221.107722][ T6622]  gfs2_sys_fs_add+0x234/0x450
[  221.107747][ T6622]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.107773][ T6622]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.107798][ T6622]  gfs2_fill_super+0x13c0/0x20d0
[  221.107822][ T6622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.107849][ T6622]  ? sb_set_blocksize+0x104/0x180
[  221.107871][ T6622]  ? setup_bdev_super+0x4c1/0x5b0
[  221.107894][ T6622]  get_tree_bdev_flags+0x40e/0x4d0
[  221.107915][ T6622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.107933][ T6622]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.107959][ T6622]  gfs2_get_tree+0x51/0x1e0
[  221.107980][ T6622]  vfs_get_tree+0x92/0x2b0
[  221.108001][ T6622]  do_new_mount+0x2a2/0xa30
[  221.108025][ T6622]  ? ns_capable+0x8a/0xf0
[  221.108049][ T6622]  ? __pfx_do_new_mount+0x10/0x10
[  221.108069][ T6622]  ? path_mount+0x61c/0xfe0
[  221.108087][ T6622]  ? user_path_at+0x44/0x60
[  221.108107][ T6622]  __se_sys_mount+0x317/0x410
[  221.108132][ T6622]  ? __pfx___se_sys_mount+0x10/0x10
[  221.108158][ T6622]  ? rcu_is_watching+0x15/0xb0
[  221.108182][ T6622]  ? __x64_sys_mount+0x20/0xc0
[  221.108206][ T6622]  do_syscall_64+0xfa/0xfa0
[  221.108227][ T6622]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.108251][ T6622]  ? clear_bhb_loop+0x60/0xb0
[  221.108269][ T6622]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.108287][ T6622] RIP: 0033:0x7f7a00d9038a
[  221.108303][ T6622] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  221.108319][ T6622] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.108341][ T6622] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  221.108356][ T6622] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  221.108369][ T6622] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  221.108382][ T6622] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  221.108394][ T6622] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  221.108424][ T6622]  </TASK>
[  221.412277][ T6622] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.426728][ T6622] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.757375][ T6625] loop1: detected capacity change from 0 to 32768
[  221.782131][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.790056][ T6625] CPU: 0 UID: 0 PID: 6625 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  221.790083][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.790095][ T6625] Call Trace:
[  221.790103][ T6625]  <TASK>
[  221.790112][ T6625]  dump_stack_lvl+0x189/0x250
[  221.790141][ T6625]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.790164][ T6625]  ? __pfx__printk+0x10/0x10
[  221.790186][ T6625]  ? kernfs_root+0x1c/0x230
[  221.790205][ T6625]  ? kernfs_path_from_node+0x250/0x290
[  221.790221][ T6625]  ? kernfs_path_from_node+0x2f/0x290
[  221.790240][ T6625]  sysfs_create_dir_ns+0x259/0x280
[  221.790267][ T6625]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.790292][ T6625]  ? do_raw_spin_unlock+0x122/0x240
[  221.790314][ T6625]  kobject_add_internal+0x59f/0xb40
[  221.790340][ T6625]  kobject_init_and_add+0x125/0x190
[  221.790363][ T6625]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.790385][ T6625]  ? __raw_spin_lock_init+0x45/0x100
[  221.790404][ T6625]  ? __init_swait_queue_head+0xa9/0x150
[  221.790431][ T6625]  gfs2_sys_fs_add+0x234/0x450
[  221.790457][ T6625]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.790484][ T6625]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.790508][ T6625]  gfs2_fill_super+0x13c0/0x20d0
[  221.790534][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.790554][ T6625]  ? sb_set_blocksize+0x104/0x180
[  221.790577][ T6625]  ? setup_bdev_super+0x4c1/0x5b0
[  221.790608][ T6625]  get_tree_bdev_flags+0x40e/0x4d0
[  221.790628][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.790648][ T6625]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.790673][ T6625]  gfs2_get_tree+0x51/0x1e0
[  221.790692][ T6625]  vfs_get_tree+0x92/0x2b0
[  221.790713][ T6625]  do_new_mount+0x2a2/0xa30
[  221.790736][ T6625]  ? ns_capable+0x8a/0xf0
[  221.790760][ T6625]  ? __pfx_do_new_mount+0x10/0x10
[  221.790780][ T6625]  ? path_mount+0x61c/0xfe0
[  221.790800][ T6625]  ? user_path_at+0x44/0x60
[  221.790820][ T6625]  __se_sys_mount+0x317/0x410
[  221.790844][ T6625]  ? __pfx___se_sys_mount+0x10/0x10
[  221.790867][ T6625]  ? rcu_is_watching+0x15/0xb0
[  221.790891][ T6625]  ? __x64_sys_mount+0x20/0xc0
[  221.790913][ T6625]  do_syscall_64+0xfa/0xfa0
[  221.790935][ T6625]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.790952][ T6625]  ? clear_bhb_loop+0x60/0xb0
[  221.790971][ T6625]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.790988][ T6625] RIP: 0033:0x7f7a00d9038a
[  221.791005][ T6625] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  221.791020][ T6625] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.791042][ T6625] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  221.791056][ T6625] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  221.791069][ T6625] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  221.791081][ T6625] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  221.791094][ T6625] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  221.791114][ T6625]  </TASK>
[  221.791135][ T6625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.107900][ T6625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.178393][   T51] Bluetooth: hci1: command 0x0406 tx timeout
[  222.446348][ T6628] loop1: detected capacity change from 0 to 32768
[  222.479356][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.487073][ T6628] CPU: 0 UID: 0 PID: 6628 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  222.487100][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.487113][ T6628] Call Trace:
[  222.487121][ T6628]  <TASK>
[  222.487129][ T6628]  dump_stack_lvl+0x189/0x250
[  222.487159][ T6628]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.487180][ T6628]  ? __pfx__printk+0x10/0x10
[  222.487202][ T6628]  ? kernfs_root+0x1c/0x230
[  222.487219][ T6628]  ? kernfs_path_from_node+0x250/0x290
[  222.487235][ T6628]  ? kernfs_path_from_node+0x2f/0x290
[  222.487251][ T6628]  sysfs_create_dir_ns+0x259/0x280
[  222.487276][ T6628]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.487303][ T6628]  ? do_raw_spin_unlock+0x122/0x240
[  222.487324][ T6628]  kobject_add_internal+0x59f/0xb40
[  222.487351][ T6628]  kobject_init_and_add+0x125/0x190
[  222.487375][ T6628]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.487398][ T6628]  ? __raw_spin_lock_init+0x45/0x100
[  222.487418][ T6628]  ? __init_swait_queue_head+0xa9/0x150
[  222.487437][ T6628]  gfs2_sys_fs_add+0x234/0x450
[  222.487463][ T6628]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.487491][ T6628]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.487516][ T6628]  gfs2_fill_super+0x13c0/0x20d0
[  222.487543][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.487562][ T6628]  ? sb_set_blocksize+0x104/0x180
[  222.487586][ T6628]  ? setup_bdev_super+0x4c1/0x5b0
[  222.487607][ T6628]  get_tree_bdev_flags+0x40e/0x4d0
[  222.487628][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.487647][ T6628]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.487683][ T6628]  gfs2_get_tree+0x51/0x1e0
[  222.487704][ T6628]  vfs_get_tree+0x92/0x2b0
[  222.487726][ T6628]  do_new_mount+0x2a2/0xa30
[  222.487752][ T6628]  ? ns_capable+0x8a/0xf0
[  222.487777][ T6628]  ? __pfx_do_new_mount+0x10/0x10
[  222.487799][ T6628]  ? path_mount+0x61c/0xfe0
[  222.487821][ T6628]  ? user_path_at+0x44/0x60
[  222.487840][ T6628]  __se_sys_mount+0x317/0x410
[  222.487866][ T6628]  ? __pfx___se_sys_mount+0x10/0x10
[  222.487891][ T6628]  ? rcu_is_watching+0x15/0xb0
[  222.487916][ T6628]  ? __x64_sys_mount+0x20/0xc0
[  222.487939][ T6628]  do_syscall_64+0xfa/0xfa0
[  222.487961][ T6628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.487980][ T6628]  ? clear_bhb_loop+0x60/0xb0
[  222.488000][ T6628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.488018][ T6628] RIP: 0033:0x7f7a00d9038a
[  222.488036][ T6628] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.488053][ T6628] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.488075][ T6628] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  222.488089][ T6628] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  222.488103][ T6628] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  222.488115][ T6628] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  222.488126][ T6628] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  222.488144][ T6628]  </TASK>
[  222.488162][ T6628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.807611][ T6628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.134762][ T6631] loop1: detected capacity change from 0 to 32768
[  223.143724][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.151596][ T6631] CPU: 0 UID: 0 PID: 6631 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  223.151634][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.151646][ T6631] Call Trace:
[  223.151654][ T6631]  <TASK>
[  223.151662][ T6631]  dump_stack_lvl+0x189/0x250
[  223.151692][ T6631]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.151713][ T6631]  ? __pfx__printk+0x10/0x10
[  223.151738][ T6631]  ? kernfs_root+0x1c/0x230
[  223.151756][ T6631]  ? kernfs_path_from_node+0x250/0x290
[  223.151773][ T6631]  ? kernfs_path_from_node+0x2f/0x290
[  223.151791][ T6631]  sysfs_create_dir_ns+0x259/0x280
[  223.151818][ T6631]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.151844][ T6631]  ? do_raw_spin_unlock+0x122/0x240
[  223.151865][ T6631]  kobject_add_internal+0x59f/0xb40
[  223.151891][ T6631]  kobject_init_and_add+0x125/0x190
[  223.151917][ T6631]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.151940][ T6631]  ? __raw_spin_lock_init+0x45/0x100
[  223.151959][ T6631]  ? __init_swait_queue_head+0xa9/0x150
[  223.151978][ T6631]  gfs2_sys_fs_add+0x234/0x450
[  223.152005][ T6631]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.152033][ T6631]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.152059][ T6631]  gfs2_fill_super+0x13c0/0x20d0
[  223.152087][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.152107][ T6631]  ? sb_set_blocksize+0x104/0x180
[  223.152133][ T6631]  ? setup_bdev_super+0x4c1/0x5b0
[  223.152157][ T6631]  get_tree_bdev_flags+0x40e/0x4d0
[  223.152178][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.152198][ T6631]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.152225][ T6631]  gfs2_get_tree+0x51/0x1e0
[  223.152245][ T6631]  vfs_get_tree+0x92/0x2b0
[  223.152268][ T6631]  do_new_mount+0x2a2/0xa30
[  223.152293][ T6631]  ? ns_capable+0x8a/0xf0
[  223.152318][ T6631]  ? __pfx_do_new_mount+0x10/0x10
[  223.152341][ T6631]  ? path_mount+0x61c/0xfe0
[  223.152361][ T6631]  ? user_path_at+0x44/0x60
[  223.152382][ T6631]  __se_sys_mount+0x317/0x410
[  223.152408][ T6631]  ? __pfx___se_sys_mount+0x10/0x10
[  223.152433][ T6631]  ? rcu_is_watching+0x15/0xb0
[  223.152458][ T6631]  ? __x64_sys_mount+0x20/0xc0
[  223.152482][ T6631]  do_syscall_64+0xfa/0xfa0
[  223.152504][ T6631]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.152522][ T6631]  ? clear_bhb_loop+0x60/0xb0
[  223.152542][ T6631]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.152560][ T6631] RIP: 0033:0x7f7a00d9038a
[  223.152577][ T6631] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.152594][ T6631] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.152626][ T6631] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  223.152640][ T6631] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  223.152654][ T6631] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  223.152667][ T6631] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  223.152679][ T6631] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  223.152699][ T6631]  </TASK>
[  223.152720][ T6631] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.471706][ T6631] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 11:31:34 executed programs: 192
[  223.800694][ T6634] loop1: detected capacity change from 0 to 32768
[  223.812406][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.820207][ T6634] CPU: 1 UID: 0 PID: 6634 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  223.820234][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.820245][ T6634] Call Trace:
[  223.820253][ T6634]  <TASK>
[  223.820262][ T6634]  dump_stack_lvl+0x189/0x250
[  223.820291][ T6634]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.820313][ T6634]  ? __pfx__printk+0x10/0x10
[  223.820336][ T6634]  ? kernfs_root+0x1c/0x230
[  223.820355][ T6634]  ? kernfs_path_from_node+0x250/0x290
[  223.820371][ T6634]  ? kernfs_path_from_node+0x2f/0x290
[  223.820389][ T6634]  sysfs_create_dir_ns+0x259/0x280
[  223.820417][ T6634]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.820445][ T6634]  ? do_raw_spin_unlock+0x122/0x240
[  223.820466][ T6634]  kobject_add_internal+0x59f/0xb40
[  223.820492][ T6634]  kobject_init_and_add+0x125/0x190
[  223.820516][ T6634]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.820539][ T6634]  ? __raw_spin_lock_init+0x45/0x100
[  223.820558][ T6634]  ? __init_swait_queue_head+0xa9/0x150
[  223.820577][ T6634]  gfs2_sys_fs_add+0x234/0x450
[  223.820604][ T6634]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.820644][ T6634]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.820670][ T6634]  gfs2_fill_super+0x13c0/0x20d0
[  223.820696][ T6634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.820717][ T6634]  ? sb_set_blocksize+0x104/0x180
[  223.820742][ T6634]  ? setup_bdev_super+0x4c1/0x5b0
[  223.820765][ T6634]  get_tree_bdev_flags+0x40e/0x4d0
[  223.820786][ T6634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.820806][ T6634]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.820833][ T6634]  gfs2_get_tree+0x51/0x1e0
[  223.820854][ T6634]  vfs_get_tree+0x92/0x2b0
[  223.820875][ T6634]  do_new_mount+0x2a2/0xa30
[  223.820899][ T6634]  ? ns_capable+0x8a/0xf0
[  223.820924][ T6634]  ? __pfx_do_new_mount+0x10/0x10
[  223.820946][ T6634]  ? path_mount+0x61c/0xfe0
[  223.820966][ T6634]  ? user_path_at+0x44/0x60
[  223.820987][ T6634]  __se_sys_mount+0x317/0x410
[  223.821013][ T6634]  ? __pfx___se_sys_mount+0x10/0x10
[  223.821037][ T6634]  ? rcu_is_watching+0x15/0xb0
[  223.821062][ T6634]  ? __x64_sys_mount+0x20/0xc0
[  223.821087][ T6634]  do_syscall_64+0xfa/0xfa0
[  223.821109][ T6634]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.821127][ T6634]  ? clear_bhb_loop+0x60/0xb0
[  223.821148][ T6634]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.821166][ T6634] RIP: 0033:0x7f7a00d9038a
[  223.821183][ T6634] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.821200][ T6634] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.821222][ T6634] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  223.821236][ T6634] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  223.821249][ T6634] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  223.821262][ T6634] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  223.821274][ T6634] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  223.821295][ T6634]  </TASK>
[  223.821316][ T6634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.139338][ T6634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.462856][ T6637] loop1: detected capacity change from 0 to 32768
[  224.488003][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.495626][ T6637] CPU: 0 UID: 0 PID: 6637 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  224.495651][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.495663][ T6637] Call Trace:
[  224.495670][ T6637]  <TASK>
[  224.495678][ T6637]  dump_stack_lvl+0x189/0x250
[  224.495707][ T6637]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.495728][ T6637]  ? __pfx__printk+0x10/0x10
[  224.495752][ T6637]  ? kernfs_root+0x1c/0x230
[  224.495771][ T6637]  ? kernfs_path_from_node+0x250/0x290
[  224.495787][ T6637]  ? kernfs_path_from_node+0x2f/0x290
[  224.495803][ T6637]  sysfs_create_dir_ns+0x259/0x280
[  224.495829][ T6637]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.495855][ T6637]  ? do_raw_spin_unlock+0x122/0x240
[  224.495886][ T6637]  kobject_add_internal+0x59f/0xb40
[  224.495914][ T6637]  kobject_init_and_add+0x125/0x190
[  224.495938][ T6637]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.495962][ T6637]  ? __raw_spin_lock_init+0x45/0x100
[  224.495981][ T6637]  ? __init_swait_queue_head+0xa9/0x150
[  224.496000][ T6637]  gfs2_sys_fs_add+0x234/0x450
[  224.496024][ T6637]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.496051][ T6637]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.496075][ T6637]  gfs2_fill_super+0x13c0/0x20d0
[  224.496101][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.496122][ T6637]  ? sb_set_blocksize+0x104/0x180
[  224.496147][ T6637]  ? setup_bdev_super+0x4c1/0x5b0
[  224.496170][ T6637]  get_tree_bdev_flags+0x40e/0x4d0
[  224.496191][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.496211][ T6637]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.496238][ T6637]  gfs2_get_tree+0x51/0x1e0
[  224.496258][ T6637]  vfs_get_tree+0x92/0x2b0
[  224.496281][ T6637]  do_new_mount+0x2a2/0xa30
[  224.496305][ T6637]  ? ns_capable+0x8a/0xf0
[  224.496330][ T6637]  ? __pfx_do_new_mount+0x10/0x10
[  224.496352][ T6637]  ? path_mount+0x61c/0xfe0
[  224.496374][ T6637]  ? user_path_at+0x44/0x60
[  224.496393][ T6637]  __se_sys_mount+0x317/0x410
[  224.496412][ T6637]  ? __pfx___se_sys_mount+0x10/0x10
[  224.496427][ T6637]  ? rcu_is_watching+0x15/0xb0
[  224.496442][ T6637]  ? __x64_sys_mount+0x20/0xc0
[  224.496456][ T6637]  do_syscall_64+0xfa/0xfa0
[  224.496470][ T6637]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.496481][ T6637]  ? clear_bhb_loop+0x60/0xb0
[  224.496493][ T6637]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.496504][ T6637] RIP: 0033:0x7f7a00d9038a
[  224.496516][ T6637] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.496526][ T6637] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.496541][ T6637] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  224.496549][ T6637] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  224.496557][ T6637] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  224.496565][ T6637] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  224.496573][ T6637] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  224.496585][ T6637]  </TASK>
[  224.496931][ T6637] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.813843][ T6637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.145289][ T6640] loop1: detected capacity change from 0 to 32768
[  225.159054][ T6640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.166693][ T6640] CPU: 1 UID: 0 PID: 6640 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  225.166718][ T6640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.166729][ T6640] Call Trace:
[  225.166737][ T6640]  <TASK>
[  225.166745][ T6640]  dump_stack_lvl+0x189/0x250
[  225.166775][ T6640]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.166797][ T6640]  ? __pfx__printk+0x10/0x10
[  225.166821][ T6640]  ? kernfs_root+0x1c/0x230
[  225.166848][ T6640]  ? kernfs_path_from_node+0x250/0x290
[  225.166865][ T6640]  ? kernfs_path_from_node+0x2f/0x290
[  225.166883][ T6640]  sysfs_create_dir_ns+0x259/0x280
[  225.166908][ T6640]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.166936][ T6640]  ? do_raw_spin_unlock+0x122/0x240
[  225.166957][ T6640]  kobject_add_internal+0x59f/0xb40
[  225.166983][ T6640]  kobject_init_and_add+0x125/0x190
[  225.167008][ T6640]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.167031][ T6640]  ? __raw_spin_lock_init+0x45/0x100
[  225.167050][ T6640]  ? __init_swait_queue_head+0xa9/0x150
[  225.167070][ T6640]  gfs2_sys_fs_add+0x234/0x450
[  225.167097][ T6640]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.167125][ T6640]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.167151][ T6640]  gfs2_fill_super+0x13c0/0x20d0
[  225.167178][ T6640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.167201][ T6640]  ? sb_set_blocksize+0x104/0x180
[  225.167226][ T6640]  ? setup_bdev_super+0x4c1/0x5b0
[  225.167248][ T6640]  get_tree_bdev_flags+0x40e/0x4d0
[  225.167269][ T6640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.167290][ T6640]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.167316][ T6640]  gfs2_get_tree+0x51/0x1e0
[  225.167338][ T6640]  vfs_get_tree+0x92/0x2b0
[  225.167359][ T6640]  do_new_mount+0x2a2/0xa30
[  225.167383][ T6640]  ? ns_capable+0x8a/0xf0
[  225.167408][ T6640]  ? __pfx_do_new_mount+0x10/0x10
[  225.167430][ T6640]  ? path_mount+0x61c/0xfe0
[  225.167452][ T6640]  ? user_path_at+0x44/0x60
[  225.167472][ T6640]  __se_sys_mount+0x317/0x410
[  225.167513][ T6640]  ? __pfx___se_sys_mount+0x10/0x10
[  225.167539][ T6640]  ? rcu_is_watching+0x15/0xb0
[  225.167563][ T6640]  ? __x64_sys_mount+0x20/0xc0
[  225.167587][ T6640]  do_syscall_64+0xfa/0xfa0
[  225.167609][ T6640]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.167628][ T6640]  ? clear_bhb_loop+0x60/0xb0
[  225.167648][ T6640]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.167666][ T6640] RIP: 0033:0x7f7a00d9038a
[  225.167684][ T6640] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.167701][ T6640] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.167723][ T6640] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  225.167736][ T6640] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  225.167749][ T6640] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  225.167762][ T6640] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  225.167775][ T6640] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  225.167797][ T6640]  </TASK>
[  225.167817][ T6640] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.486990][ T6640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.814978][ T6643] loop1: detected capacity change from 0 to 32768
[  225.848126][ T6643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.857359][ T6643] CPU: 1 UID: 0 PID: 6643 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  225.857384][ T6643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.857396][ T6643] Call Trace:
[  225.857403][ T6643]  <TASK>
[  225.857410][ T6643]  dump_stack_lvl+0x189/0x250
[  225.857439][ T6643]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.857460][ T6643]  ? __pfx__printk+0x10/0x10
[  225.857484][ T6643]  ? kernfs_root+0x1c/0x230
[  225.857503][ T6643]  ? kernfs_path_from_node+0x250/0x290
[  225.857526][ T6643]  ? kernfs_path_from_node+0x2f/0x290
[  225.857544][ T6643]  sysfs_create_dir_ns+0x259/0x280
[  225.857570][ T6643]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.857598][ T6643]  ? do_raw_spin_unlock+0x122/0x240
[  225.857619][ T6643]  kobject_add_internal+0x59f/0xb40
[  225.857646][ T6643]  kobject_init_and_add+0x125/0x190
[  225.857670][ T6643]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.857692][ T6643]  ? __raw_spin_lock_init+0x45/0x100
[  225.857712][ T6643]  ? __init_swait_queue_head+0xa9/0x150
[  225.857738][ T6643]  gfs2_sys_fs_add+0x234/0x450
[  225.857763][ T6643]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.857790][ T6643]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.857822][ T6643]  gfs2_fill_super+0x13c0/0x20d0
[  225.857854][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.857876][ T6643]  ? sb_set_blocksize+0x104/0x180
[  225.857900][ T6643]  ? setup_bdev_super+0x4c1/0x5b0
[  225.857923][ T6643]  get_tree_bdev_flags+0x40e/0x4d0
[  225.857944][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.857964][ T6643]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.857989][ T6643]  gfs2_get_tree+0x51/0x1e0
[  225.858008][ T6643]  vfs_get_tree+0x92/0x2b0
[  225.858030][ T6643]  do_new_mount+0x2a2/0xa30
[  225.858054][ T6643]  ? ns_capable+0x8a/0xf0
[  225.858080][ T6643]  ? __pfx_do_new_mount+0x10/0x10
[  225.858103][ T6643]  ? path_mount+0x61c/0xfe0
[  225.858124][ T6643]  ? user_path_at+0x44/0x60
[  225.858144][ T6643]  __se_sys_mount+0x317/0x410
[  225.858169][ T6643]  ? __pfx___se_sys_mount+0x10/0x10
[  225.858193][ T6643]  ? rcu_is_watching+0x15/0xb0
[  225.858216][ T6643]  ? __x64_sys_mount+0x20/0xc0
[  225.858239][ T6643]  do_syscall_64+0xfa/0xfa0
[  225.858259][ T6643]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.858276][ T6643]  ? clear_bhb_loop+0x60/0xb0
[  225.858295][ T6643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.858312][ T6643] RIP: 0033:0x7f7a00d9038a
[  225.858329][ T6643] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.858345][ T6643] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.858368][ T6643] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  225.858383][ T6643] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  225.858396][ T6643] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  225.858410][ T6643] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  225.858423][ T6643] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  225.858444][ T6643]  </TASK>
[  226.161760][ T6643] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.176082][ T6643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.506078][ T6646] loop1: detected capacity change from 0 to 32768
[  226.514825][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.522969][ T6646] CPU: 1 UID: 0 PID: 6646 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  226.522993][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.523005][ T6646] Call Trace:
[  226.523012][ T6646]  <TASK>
[  226.523020][ T6646]  dump_stack_lvl+0x189/0x250
[  226.523048][ T6646]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.523069][ T6646]  ? __pfx__printk+0x10/0x10
[  226.523091][ T6646]  ? kernfs_root+0x1c/0x230
[  226.523110][ T6646]  ? kernfs_path_from_node+0x250/0x290
[  226.523126][ T6646]  ? kernfs_path_from_node+0x2f/0x290
[  226.523143][ T6646]  sysfs_create_dir_ns+0x259/0x280
[  226.523169][ T6646]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  226.523194][ T6646]  ? do_raw_spin_unlock+0x122/0x240
[  226.523214][ T6646]  kobject_add_internal+0x59f/0xb40
[  226.523239][ T6646]  kobject_init_and_add+0x125/0x190
[  226.523262][ T6646]  ? __pfx_kobject_init_and_add+0x10/0x10
[  226.523284][ T6646]  ? __raw_spin_lock_init+0x45/0x100
[  226.523303][ T6646]  ? __init_swait_queue_head+0xa9/0x150
[  226.523321][ T6646]  gfs2_sys_fs_add+0x234/0x450
[  226.523347][ T6646]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  226.523374][ T6646]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  226.523398][ T6646]  gfs2_fill_super+0x13c0/0x20d0
[  226.523423][ T6646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.523443][ T6646]  ? sb_set_blocksize+0x104/0x180
[  226.523466][ T6646]  ? setup_bdev_super+0x4c1/0x5b0
[  226.523488][ T6646]  get_tree_bdev_flags+0x40e/0x4d0
[  226.523507][ T6646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.523550][ T6646]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.523575][ T6646]  gfs2_get_tree+0x51/0x1e0
[  226.523595][ T6646]  vfs_get_tree+0x92/0x2b0
[  226.523623][ T6646]  do_new_mount+0x2a2/0xa30
[  226.523646][ T6646]  ? ns_capable+0x8a/0xf0
[  226.523670][ T6646]  ? __pfx_do_new_mount+0x10/0x10
[  226.523691][ T6646]  ? path_mount+0x61c/0xfe0
[  226.523710][ T6646]  ? user_path_at+0x44/0x60
[  226.523730][ T6646]  __se_sys_mount+0x317/0x410
[  226.523754][ T6646]  ? __pfx___se_sys_mount+0x10/0x10
[  226.523777][ T6646]  ? rcu_is_watching+0x15/0xb0
[  226.523801][ T6646]  ? __x64_sys_mount+0x20/0xc0
[  226.523824][ T6646]  do_syscall_64+0xfa/0xfa0
[  226.523846][ T6646]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.523862][ T6646]  ? clear_bhb_loop+0x60/0xb0
[  226.523882][ T6646]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.523900][ T6646] RIP: 0033:0x7f7a00d9038a
[  226.523916][ T6646] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.523931][ T6646] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.523952][ T6646] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  226.523967][ T6646] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  226.523979][ T6646] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  226.523992][ T6646] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  226.524005][ T6646] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  226.524024][ T6646]  </TASK>
[  226.524042][ T6646] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.840079][ T6646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.170734][ T6649] loop1: detected capacity change from 0 to 32768
[  227.179251][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.186744][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  227.186769][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.186779][ T6649] Call Trace:
[  227.186786][ T6649]  <TASK>
[  227.186793][ T6649]  dump_stack_lvl+0x189/0x250
[  227.186820][ T6649]  ? __pfx_dump_stack_lvl+0x10/0x10
[  227.186841][ T6649]  ? __pfx__printk+0x10/0x10
[  227.186863][ T6649]  ? kernfs_root+0x1c/0x230
[  227.186881][ T6649]  ? kernfs_path_from_node+0x250/0x290
[  227.186897][ T6649]  ? kernfs_path_from_node+0x2f/0x290
[  227.186915][ T6649]  sysfs_create_dir_ns+0x259/0x280
[  227.186941][ T6649]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  227.186966][ T6649]  ? do_raw_spin_unlock+0x122/0x240
[  227.186987][ T6649]  kobject_add_internal+0x59f/0xb40
[  227.187015][ T6649]  kobject_init_and_add+0x125/0x190
[  227.187039][ T6649]  ? __pfx_kobject_init_and_add+0x10/0x10
[  227.187063][ T6649]  ? __raw_spin_lock_init+0x45/0x100
[  227.187082][ T6649]  ? __init_swait_queue_head+0xa9/0x150
[  227.187100][ T6649]  gfs2_sys_fs_add+0x234/0x450
[  227.187126][ T6649]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  227.187156][ T6649]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  227.187180][ T6649]  gfs2_fill_super+0x13c0/0x20d0
[  227.187205][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.187225][ T6649]  ? sb_set_blocksize+0x104/0x180
[  227.187249][ T6649]  ? setup_bdev_super+0x4c1/0x5b0
[  227.187272][ T6649]  get_tree_bdev_flags+0x40e/0x4d0
[  227.187292][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.187310][ T6649]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  227.187336][ T6649]  gfs2_get_tree+0x51/0x1e0
[  227.187355][ T6649]  vfs_get_tree+0x92/0x2b0
[  227.187376][ T6649]  do_new_mount+0x2a2/0xa30
[  227.187400][ T6649]  ? ns_capable+0x8a/0xf0
[  227.187424][ T6649]  ? __pfx_do_new_mount+0x10/0x10
[  227.187446][ T6649]  ? path_mount+0x61c/0xfe0
[  227.187465][ T6649]  ? user_path_at+0x44/0x60
[  227.187486][ T6649]  __se_sys_mount+0x317/0x410
[  227.187510][ T6649]  ? __pfx___se_sys_mount+0x10/0x10
[  227.187535][ T6649]  ? rcu_is_watching+0x15/0xb0
[  227.187572][ T6649]  ? __x64_sys_mount+0x20/0xc0
[  227.187596][ T6649]  do_syscall_64+0xfa/0xfa0
[  227.187618][ T6649]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.187636][ T6649]  ? clear_bhb_loop+0x60/0xb0
[  227.187656][ T6649]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.187674][ T6649] RIP: 0033:0x7f7a00d9038a
[  227.187692][ T6649] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.187709][ T6649] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.187731][ T6649] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  227.187746][ T6649] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  227.187758][ T6649] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  227.187771][ T6649] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  227.187784][ T6649] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  227.187805][ T6649]  </TASK>
[  227.187823][ T6649] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.505193][ T6649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.832977][ T6652] loop1: detected capacity change from 0 to 32768
[  227.857139][ T6652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.864911][ T6652] CPU: 1 UID: 0 PID: 6652 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  227.864937][ T6652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.864948][ T6652] Call Trace:
[  227.864956][ T6652]  <TASK>
[  227.864964][ T6652]  dump_stack_lvl+0x189/0x250
[  227.864991][ T6652]  ? __pfx_dump_stack_lvl+0x10/0x10
[  227.865012][ T6652]  ? __pfx__printk+0x10/0x10
[  227.865035][ T6652]  ? kernfs_root+0x1c/0x230
[  227.865053][ T6652]  ? kernfs_path_from_node+0x250/0x290
[  227.865070][ T6652]  ? kernfs_path_from_node+0x2f/0x290
[  227.865087][ T6652]  sysfs_create_dir_ns+0x259/0x280
[  227.865113][ T6652]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  227.865140][ T6652]  ? do_raw_spin_unlock+0x122/0x240
[  227.865161][ T6652]  kobject_add_internal+0x59f/0xb40
[  227.865188][ T6652]  kobject_init_and_add+0x125/0x190
[  227.865211][ T6652]  ? __pfx_kobject_init_and_add+0x10/0x10
[  227.865234][ T6652]  ? __raw_spin_lock_init+0x45/0x100
[  227.865254][ T6652]  ? __init_swait_queue_head+0xa9/0x150
[  227.865273][ T6652]  gfs2_sys_fs_add+0x234/0x450
[  227.865299][ T6652]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  227.865328][ T6652]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  227.865353][ T6652]  gfs2_fill_super+0x13c0/0x20d0
[  227.865380][ T6652]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.865401][ T6652]  ? sb_set_blocksize+0x104/0x180
[  227.865426][ T6652]  ? setup_bdev_super+0x4c1/0x5b0
[  227.865449][ T6652]  get_tree_bdev_flags+0x40e/0x4d0
[  227.865471][ T6652]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.865492][ T6652]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  227.865518][ T6652]  gfs2_get_tree+0x51/0x1e0
[  227.865538][ T6652]  vfs_get_tree+0x92/0x2b0
[  227.865560][ T6652]  do_new_mount+0x2a2/0xa30
[  227.865584][ T6652]  ? ns_capable+0x8a/0xf0
[  227.865610][ T6652]  ? __pfx_do_new_mount+0x10/0x10
[  227.865630][ T6652]  ? path_mount+0x61c/0xfe0
[  227.865651][ T6652]  ? user_path_at+0x44/0x60
[  227.865672][ T6652]  __se_sys_mount+0x317/0x410
[  227.865698][ T6652]  ? __pfx___se_sys_mount+0x10/0x10
[  227.865722][ T6652]  ? rcu_is_watching+0x15/0xb0
[  227.865748][ T6652]  ? __x64_sys_mount+0x20/0xc0
[  227.865771][ T6652]  do_syscall_64+0xfa/0xfa0
[  227.865793][ T6652]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.865811][ T6652]  ? clear_bhb_loop+0x60/0xb0
[  227.865842][ T6652]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.865861][ T6652] RIP: 0033:0x7f7a00d9038a
[  227.865879][ T6652] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.865895][ T6652] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.865918][ T6652] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  227.865932][ T6652] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  227.865946][ T6652] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  227.865958][ T6652] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  227.865971][ T6652] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  227.865993][ T6652]  </TASK>
[  227.866033][ T6652] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.183363][ T6652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.518678][ T6655] loop1: detected capacity change from 0 to 32768
[  228.544707][ T6655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.552284][ T6655] CPU: 1 UID: 0 PID: 6655 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  228.552313][ T6655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  228.552325][ T6655] Call Trace:
[  228.552333][ T6655]  <TASK>
[  228.552341][ T6655]  dump_stack_lvl+0x189/0x250
[  228.552370][ T6655]  ? __pfx_dump_stack_lvl+0x10/0x10
[  228.552393][ T6655]  ? __pfx__printk+0x10/0x10
[  228.552417][ T6655]  ? kernfs_root+0x1c/0x230
[  228.552436][ T6655]  ? kernfs_path_from_node+0x250/0x290
[  228.552452][ T6655]  ? kernfs_path_from_node+0x2f/0x290
[  228.552470][ T6655]  sysfs_create_dir_ns+0x259/0x280
[  228.552499][ T6655]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  228.552527][ T6655]  ? do_raw_spin_unlock+0x122/0x240
[  228.552648][ T6655]  kobject_add_internal+0x59f/0xb40
[  228.552687][ T6655]  kobject_init_and_add+0x125/0x190
[  228.552712][ T6655]  ? __pfx_kobject_init_and_add+0x10/0x10
[  228.552735][ T6655]  ? __raw_spin_lock_init+0x45/0x100
[  228.552754][ T6655]  ? __init_swait_queue_head+0xa9/0x150
[  228.552773][ T6655]  gfs2_sys_fs_add+0x234/0x450
[  228.552799][ T6655]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  228.552826][ T6655]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  228.552859][ T6655]  gfs2_fill_super+0x13c0/0x20d0
[  228.552887][ T6655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.552908][ T6655]  ? sb_set_blocksize+0x104/0x180
[  228.552935][ T6655]  ? setup_bdev_super+0x4c1/0x5b0
[  228.552956][ T6655]  get_tree_bdev_flags+0x40e/0x4d0
[  228.552982][ T6655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.553002][ T6655]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  228.553028][ T6655]  gfs2_get_tree+0x51/0x1e0
[  228.553048][ T6655]  vfs_get_tree+0x92/0x2b0
[  228.553071][ T6655]  do_new_mount+0x2a2/0xa30
[  228.553096][ T6655]  ? ns_capable+0x8a/0xf0
[  228.553120][ T6655]  ? __pfx_do_new_mount+0x10/0x10
[  228.553143][ T6655]  ? path_mount+0x61c/0xfe0
[  228.553165][ T6655]  ? user_path_at+0x44/0x60
[  228.553186][ T6655]  __se_sys_mount+0x317/0x410
[  228.553212][ T6655]  ? __pfx___se_sys_mount+0x10/0x10
[  228.553236][ T6655]  ? rcu_is_watching+0x15/0xb0
[  228.553260][ T6655]  ? __x64_sys_mount+0x20/0xc0
[  228.553283][ T6655]  do_syscall_64+0xfa/0xfa0
[  228.553305][ T6655]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.553322][ T6655]  ? clear_bhb_loop+0x60/0xb0
[  228.553341][ T6655]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.553359][ T6655] RIP: 0033:0x7f7a00d9038a
[  228.553377][ T6655] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.553394][ T6655] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.553417][ T6655] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  228.553432][ T6655] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  228.553446][ T6655] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  228.553459][ T6655] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  228.553472][ T6655] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  228.553492][ T6655]  </TASK>
[  228.553905][ T6655] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.873062][ T6655] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 11:31:39 executed programs: 200
[  229.207405][ T6658] loop1: detected capacity change from 0 to 32768
[  229.222759][ T6658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.230555][ T6658] CPU: 1 UID: 0 PID: 6658 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  229.230582][ T6658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  229.230594][ T6658] Call Trace:
[  229.230601][ T6658]  <TASK>
[  229.230609][ T6658]  dump_stack_lvl+0x189/0x250
[  229.230637][ T6658]  ? __pfx_dump_stack_lvl+0x10/0x10
[  229.230659][ T6658]  ? __pfx__printk+0x10/0x10
[  229.230682][ T6658]  ? kernfs_root+0x1c/0x230
[  229.230699][ T6658]  ? kernfs_path_from_node+0x250/0x290
[  229.230714][ T6658]  ? kernfs_path_from_node+0x2f/0x290
[  229.230730][ T6658]  sysfs_create_dir_ns+0x259/0x280
[  229.230756][ T6658]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  229.230782][ T6658]  ? do_raw_spin_unlock+0x122/0x240
[  229.230801][ T6658]  kobject_add_internal+0x59f/0xb40
[  229.230825][ T6658]  kobject_init_and_add+0x125/0x190
[  229.230849][ T6658]  ? __pfx_kobject_init_and_add+0x10/0x10
[  229.230870][ T6658]  ? __raw_spin_lock_init+0x45/0x100
[  229.230889][ T6658]  ? __init_swait_queue_head+0xa9/0x150
[  229.230908][ T6658]  gfs2_sys_fs_add+0x234/0x450
[  229.230933][ T6658]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  229.230959][ T6658]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  229.230984][ T6658]  gfs2_fill_super+0x13c0/0x20d0
[  229.231009][ T6658]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.231030][ T6658]  ? sb_set_blocksize+0x104/0x180
[  229.231055][ T6658]  ? setup_bdev_super+0x4c1/0x5b0
[  229.231078][ T6658]  get_tree_bdev_flags+0x40e/0x4d0
[  229.231098][ T6658]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.231116][ T6658]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  229.231152][ T6658]  gfs2_get_tree+0x51/0x1e0
[  229.231181][ T6658]  vfs_get_tree+0x92/0x2b0
[  229.231203][ T6658]  do_new_mount+0x2a2/0xa30
[  229.231227][ T6658]  ? ns_capable+0x8a/0xf0
[  229.231250][ T6658]  ? __pfx_do_new_mount+0x10/0x10
[  229.231272][ T6658]  ? path_mount+0x61c/0xfe0
[  229.231293][ T6658]  ? user_path_at+0x44/0x60
[  229.231314][ T6658]  __se_sys_mount+0x317/0x410
[  229.231339][ T6658]  ? __pfx___se_sys_mount+0x10/0x10
[  229.231363][ T6658]  ? rcu_is_watching+0x15/0xb0
[  229.231389][ T6658]  ? __x64_sys_mount+0x20/0xc0
[  229.231412][ T6658]  do_syscall_64+0xfa/0xfa0
[  229.231435][ T6658]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.231454][ T6658]  ? clear_bhb_loop+0x60/0xb0
[  229.231474][ T6658]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.231492][ T6658] RIP: 0033:0x7f7a00d9038a
[  229.231509][ T6658] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.231711][ T6658] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.231735][ T6658] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  229.231749][ T6658] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  229.231763][ T6658] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  229.231775][ T6658] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  229.231786][ T6658] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  229.231806][ T6658]  </TASK>
[  229.231906][ T6658] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.549974][ T6658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.880423][ T6661] loop1: detected capacity change from 0 to 32768
[  229.893044][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.900573][ T6661] CPU: 0 UID: 0 PID: 6661 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  229.900600][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  229.900612][ T6661] Call Trace:
[  229.900620][ T6661]  <TASK>
[  229.900628][ T6661]  dump_stack_lvl+0x189/0x250
[  229.900657][ T6661]  ? __pfx_dump_stack_lvl+0x10/0x10
[  229.900679][ T6661]  ? __pfx__printk+0x10/0x10
[  229.900702][ T6661]  ? kernfs_root+0x1c/0x230
[  229.900721][ T6661]  ? kernfs_path_from_node+0x250/0x290
[  229.900737][ T6661]  ? kernfs_path_from_node+0x2f/0x290
[  229.900755][ T6661]  sysfs_create_dir_ns+0x259/0x280
[  229.900792][ T6661]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  229.900819][ T6661]  ? do_raw_spin_unlock+0x122/0x240
[  229.900840][ T6661]  kobject_add_internal+0x59f/0xb40
[  229.900869][ T6661]  kobject_init_and_add+0x125/0x190
[  229.900893][ T6661]  ? __pfx_kobject_init_and_add+0x10/0x10
[  229.900917][ T6661]  ? __raw_spin_lock_init+0x45/0x100
[  229.900937][ T6661]  ? __init_swait_queue_head+0xa9/0x150
[  229.900956][ T6661]  gfs2_sys_fs_add+0x234/0x450
[  229.900981][ T6661]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  229.901010][ T6661]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  229.901036][ T6661]  gfs2_fill_super+0x13c0/0x20d0
[  229.901063][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.901085][ T6661]  ? sb_set_blocksize+0x104/0x180
[  229.901109][ T6661]  ? setup_bdev_super+0x4c1/0x5b0
[  229.901132][ T6661]  get_tree_bdev_flags+0x40e/0x4d0
[  229.901154][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.901174][ T6661]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  229.901200][ T6661]  gfs2_get_tree+0x51/0x1e0
[  229.901220][ T6661]  vfs_get_tree+0x92/0x2b0
[  229.901242][ T6661]  do_new_mount+0x2a2/0xa30
[  229.901267][ T6661]  ? ns_capable+0x8a/0xf0
[  229.901293][ T6661]  ? __pfx_do_new_mount+0x10/0x10
[  229.901315][ T6661]  ? path_mount+0x61c/0xfe0
[  229.901335][ T6661]  ? user_path_at+0x44/0x60
[  229.901356][ T6661]  __se_sys_mount+0x317/0x410
[  229.901382][ T6661]  ? __pfx___se_sys_mount+0x10/0x10
[  229.901406][ T6661]  ? rcu_is_watching+0x15/0xb0
[  229.901429][ T6661]  ? __x64_sys_mount+0x20/0xc0
[  229.901453][ T6661]  do_syscall_64+0xfa/0xfa0
[  229.901476][ T6661]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.901495][ T6661]  ? clear_bhb_loop+0x60/0xb0
[  229.901515][ T6661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.901531][ T6661] RIP: 0033:0x7f7a00d9038a
[  229.901549][ T6661] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.901565][ T6661] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.901587][ T6661] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  229.901601][ T6661] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  229.901614][ T6661] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  229.901628][ T6661] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  229.901640][ T6661] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  229.901660][ T6661]  </TASK>
[  229.901682][ T6661] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.220609][ T6661] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.545756][ T6664] loop1: detected capacity change from 0 to 32768
[  230.563323][ T6664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.570932][ T6664] CPU: 0 UID: 0 PID: 6664 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  230.570957][ T6664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.570969][ T6664] Call Trace:
[  230.570977][ T6664]  <TASK>
[  230.570985][ T6664]  dump_stack_lvl+0x189/0x250
[  230.571013][ T6664]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.571034][ T6664]  ? __pfx__printk+0x10/0x10
[  230.571056][ T6664]  ? kernfs_root+0x1c/0x230
[  230.571074][ T6664]  ? kernfs_path_from_node+0x250/0x290
[  230.571089][ T6664]  ? kernfs_path_from_node+0x2f/0x290
[  230.571106][ T6664]  sysfs_create_dir_ns+0x259/0x280
[  230.571132][ T6664]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.571158][ T6664]  ? do_raw_spin_unlock+0x122/0x240
[  230.571178][ T6664]  kobject_add_internal+0x59f/0xb40
[  230.571204][ T6664]  kobject_init_and_add+0x125/0x190
[  230.571227][ T6664]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.571249][ T6664]  ? __raw_spin_lock_init+0x45/0x100
[  230.571268][ T6664]  ? __init_swait_queue_head+0xa9/0x150
[  230.571287][ T6664]  gfs2_sys_fs_add+0x234/0x450
[  230.571313][ T6664]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.571339][ T6664]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.571364][ T6664]  gfs2_fill_super+0x13c0/0x20d0
[  230.571388][ T6664]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.571409][ T6664]  ? sb_set_blocksize+0x104/0x180
[  230.571433][ T6664]  ? setup_bdev_super+0x4c1/0x5b0
[  230.571454][ T6664]  get_tree_bdev_flags+0x40e/0x4d0
[  230.571475][ T6664]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.571502][ T6664]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.571528][ T6664]  gfs2_get_tree+0x51/0x1e0
[  230.571548][ T6664]  vfs_get_tree+0x92/0x2b0
[  230.571568][ T6664]  do_new_mount+0x2a2/0xa30
[  230.571592][ T6664]  ? ns_capable+0x8a/0xf0
[  230.571617][ T6664]  ? __pfx_do_new_mount+0x10/0x10
[  230.571638][ T6664]  ? path_mount+0x61c/0xfe0
[  230.571657][ T6664]  ? user_path_at+0x44/0x60
[  230.571676][ T6664]  __se_sys_mount+0x317/0x410
[  230.571701][ T6664]  ? __pfx___se_sys_mount+0x10/0x10
[  230.571724][ T6664]  ? rcu_is_watching+0x15/0xb0
[  230.571747][ T6664]  ? __x64_sys_mount+0x20/0xc0
[  230.571770][ T6664]  do_syscall_64+0xfa/0xfa0
[  230.571791][ T6664]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.571809][ T6664]  ? clear_bhb_loop+0x60/0xb0
[  230.571828][ T6664]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.571846][ T6664] RIP: 0033:0x7f7a00d9038a
[  230.571862][ T6664] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.571878][ T6664] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.571900][ T6664] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  230.571914][ T6664] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  230.571926][ T6664] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  230.571939][ T6664] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  230.571951][ T6664] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  230.571970][ T6664]  </TASK>
[  230.571989][ T6664] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.888856][ T6664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.220349][ T6668] loop1: detected capacity change from 0 to 32768
[  231.242281][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.257413][ T6668] CPU: 1 UID: 0 PID: 6668 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  231.257442][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  231.257454][ T6668] Call Trace:
[  231.257461][ T6668]  <TASK>
[  231.257469][ T6668]  dump_stack_lvl+0x189/0x250
[  231.257499][ T6668]  ? __pfx_dump_stack_lvl+0x10/0x10
[  231.257522][ T6668]  ? __pfx__printk+0x10/0x10
[  231.257545][ T6668]  ? kernfs_root+0x1c/0x230
[  231.257564][ T6668]  ? kernfs_path_from_node+0x250/0x290
[  231.257580][ T6668]  ? kernfs_path_from_node+0x2f/0x290
[  231.257598][ T6668]  sysfs_create_dir_ns+0x259/0x280
[  231.257627][ T6668]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  231.257654][ T6668]  ? do_raw_spin_unlock+0x122/0x240
[  231.257675][ T6668]  kobject_add_internal+0x59f/0xb40
[  231.257702][ T6668]  kobject_init_and_add+0x125/0x190
[  231.257727][ T6668]  ? __pfx_kobject_init_and_add+0x10/0x10
[  231.257751][ T6668]  ? __raw_spin_lock_init+0x45/0x100
[  231.257769][ T6668]  ? __init_swait_queue_head+0xa9/0x150
[  231.257790][ T6668]  gfs2_sys_fs_add+0x234/0x450
[  231.257817][ T6668]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  231.257854][ T6668]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  231.257880][ T6668]  gfs2_fill_super+0x13c0/0x20d0
[  231.257908][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.257930][ T6668]  ? sb_set_blocksize+0x104/0x180
[  231.257955][ T6668]  ? setup_bdev_super+0x4c1/0x5b0
[  231.257980][ T6668]  get_tree_bdev_flags+0x40e/0x4d0
[  231.258001][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.258022][ T6668]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  231.258049][ T6668]  gfs2_get_tree+0x51/0x1e0
[  231.258069][ T6668]  vfs_get_tree+0x92/0x2b0
[  231.258092][ T6668]  do_new_mount+0x2a2/0xa30
[  231.258116][ T6668]  ? ns_capable+0x8a/0xf0
[  231.258141][ T6668]  ? __pfx_do_new_mount+0x10/0x10
[  231.258163][ T6668]  ? path_mount+0x61c/0xfe0
[  231.258185][ T6668]  ? user_path_at+0x44/0x60
[  231.258206][ T6668]  __se_sys_mount+0x317/0x410
[  231.258231][ T6668]  ? __pfx___se_sys_mount+0x10/0x10
[  231.258261][ T6668]  ? rcu_is_watching+0x15/0xb0
[  231.258285][ T6668]  ? __x64_sys_mount+0x20/0xc0
[  231.258308][ T6668]  do_syscall_64+0xfa/0xfa0
[  231.258330][ T6668]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.258347][ T6668]  ? clear_bhb_loop+0x60/0xb0
[  231.258366][ T6668]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.258384][ T6668] RIP: 0033:0x7f7a00d9038a
[  231.258402][ T6668] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.258418][ T6668] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.258439][ T6668] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  231.258453][ T6668] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  231.258467][ T6668] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  231.258481][ T6668] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  231.258494][ T6668] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  231.258515][ T6668]  </TASK>
[  231.563901][ T6668] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.578374][ T6668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.910925][ T6671] loop1: detected capacity change from 0 to 32768
[  231.919846][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.938327][ T6671] CPU: 1 UID: 0 PID: 6671 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  231.938355][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  231.938366][ T6671] Call Trace:
[  231.938373][ T6671]  <TASK>
[  231.938381][ T6671]  dump_stack_lvl+0x189/0x250
[  231.938409][ T6671]  ? __pfx_dump_stack_lvl+0x10/0x10
[  231.938432][ T6671]  ? __pfx__printk+0x10/0x10
[  231.938455][ T6671]  ? kernfs_root+0x1c/0x230
[  231.938475][ T6671]  ? kernfs_path_from_node+0x250/0x290
[  231.938491][ T6671]  ? kernfs_path_from_node+0x2f/0x290
[  231.938507][ T6671]  sysfs_create_dir_ns+0x259/0x280
[  231.938536][ T6671]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  231.938561][ T6671]  ? do_raw_spin_unlock+0x122/0x240
[  231.938582][ T6671]  kobject_add_internal+0x59f/0xb40
[  231.938610][ T6671]  kobject_init_and_add+0x125/0x190
[  231.938635][ T6671]  ? __pfx_kobject_init_and_add+0x10/0x10
[  231.938658][ T6671]  ? __raw_spin_lock_init+0x45/0x100
[  231.938677][ T6671]  ? __init_swait_queue_head+0xa9/0x150
[  231.938697][ T6671]  gfs2_sys_fs_add+0x234/0x450
[  231.938724][ T6671]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  231.938753][ T6671]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  231.938779][ T6671]  gfs2_fill_super+0x13c0/0x20d0
[  231.938815][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.938837][ T6671]  ? sb_set_blocksize+0x104/0x180
[  231.938863][ T6671]  ? setup_bdev_super+0x4c1/0x5b0
[  231.938885][ T6671]  get_tree_bdev_flags+0x40e/0x4d0
[  231.938907][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.938927][ T6671]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  231.938953][ T6671]  gfs2_get_tree+0x51/0x1e0
[  231.938974][ T6671]  vfs_get_tree+0x92/0x2b0
[  231.938997][ T6671]  do_new_mount+0x2a2/0xa30
[  231.939020][ T6671]  ? ns_capable+0x8a/0xf0
[  231.939045][ T6671]  ? __pfx_do_new_mount+0x10/0x10
[  231.939066][ T6671]  ? path_mount+0x61c/0xfe0
[  231.939088][ T6671]  ? user_path_at+0x44/0x60
[  231.939109][ T6671]  __se_sys_mount+0x317/0x410
[  231.939133][ T6671]  ? __pfx___se_sys_mount+0x10/0x10
[  231.939158][ T6671]  ? rcu_is_watching+0x15/0xb0
[  231.939184][ T6671]  ? __x64_sys_mount+0x20/0xc0
[  231.939207][ T6671]  do_syscall_64+0xfa/0xfa0
[  231.939230][ T6671]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.939250][ T6671]  ? clear_bhb_loop+0x60/0xb0
[  231.939269][ T6671]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.939287][ T6671] RIP: 0033:0x7f7a00d9038a
[  231.939304][ T6671] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.939321][ T6671] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.939343][ T6671] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  231.939356][ T6671] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  231.939369][ T6671] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  231.939380][ T6671] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  231.939391][ T6671] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  231.939410][ T6671]  </TASK>
[  231.939499][ T6671] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.257778][ T6671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.594558][ T6677] loop1: detected capacity change from 0 to 32768
[  232.606901][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.614528][ T6677] CPU: 0 UID: 0 PID: 6677 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  232.614564][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  232.614576][ T6677] Call Trace:
[  232.614584][ T6677]  <TASK>
[  232.614592][ T6677]  dump_stack_lvl+0x189/0x250
[  232.614622][ T6677]  ? __pfx_dump_stack_lvl+0x10/0x10
[  232.614644][ T6677]  ? __pfx__printk+0x10/0x10
[  232.614668][ T6677]  ? kernfs_root+0x1c/0x230
[  232.614686][ T6677]  ? kernfs_path_from_node+0x250/0x290
[  232.614704][ T6677]  ? kernfs_path_from_node+0x2f/0x290
[  232.614722][ T6677]  sysfs_create_dir_ns+0x259/0x280
[  232.614751][ T6677]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  232.614777][ T6677]  ? do_raw_spin_unlock+0x122/0x240
[  232.614797][ T6677]  kobject_add_internal+0x59f/0xb40
[  232.614825][ T6677]  kobject_init_and_add+0x125/0x190
[  232.614851][ T6677]  ? __pfx_kobject_init_and_add+0x10/0x10
[  232.614874][ T6677]  ? __raw_spin_lock_init+0x45/0x100
[  232.614894][ T6677]  ? __init_swait_queue_head+0xa9/0x150
[  232.614913][ T6677]  gfs2_sys_fs_add+0x234/0x450
[  232.614939][ T6677]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  232.614967][ T6677]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  232.614991][ T6677]  gfs2_fill_super+0x13c0/0x20d0
[  232.615017][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.615040][ T6677]  ? sb_set_blocksize+0x104/0x180
[  232.615064][ T6677]  ? setup_bdev_super+0x4c1/0x5b0
[  232.615087][ T6677]  get_tree_bdev_flags+0x40e/0x4d0
[  232.615109][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.615129][ T6677]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  232.615153][ T6677]  gfs2_get_tree+0x51/0x1e0
[  232.615174][ T6677]  vfs_get_tree+0x92/0x2b0
[  232.615196][ T6677]  do_new_mount+0x2a2/0xa30
[  232.615221][ T6677]  ? ns_capable+0x8a/0xf0
[  232.615246][ T6677]  ? __pfx_do_new_mount+0x10/0x10
[  232.615269][ T6677]  ? path_mount+0x61c/0xfe0
[  232.615289][ T6677]  ? user_path_at+0x44/0x60
[  232.615309][ T6677]  __se_sys_mount+0x317/0x410
[  232.615335][ T6677]  ? __pfx___se_sys_mount+0x10/0x10
[  232.615360][ T6677]  ? rcu_is_watching+0x15/0xb0
[  232.615384][ T6677]  ? __x64_sys_mount+0x20/0xc0
[  232.615408][ T6677]  do_syscall_64+0xfa/0xfa0
[  232.615431][ T6677]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.615450][ T6677]  ? clear_bhb_loop+0x60/0xb0
[  232.615468][ T6677]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.615486][ T6677] RIP: 0033:0x7f7a00d9038a
[  232.615504][ T6677] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.615520][ T6677] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.615553][ T6677] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  232.615567][ T6677] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  232.615579][ T6677] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  232.615593][ T6677] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  232.615606][ T6677] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  232.615628][ T6677]  </TASK>
[  232.615656][ T6677] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.933641][ T6677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.258176][ T6680] loop1: detected capacity change from 0 to 32768
[  233.267043][ T6680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.274820][ T6680] CPU: 0 UID: 0 PID: 6680 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  233.274844][ T6680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  233.274855][ T6680] Call Trace:
[  233.274863][ T6680]  <TASK>
[  233.274871][ T6680]  dump_stack_lvl+0x189/0x250
[  233.274900][ T6680]  ? __pfx_dump_stack_lvl+0x10/0x10
[  233.274923][ T6680]  ? __pfx__printk+0x10/0x10
[  233.274946][ T6680]  ? kernfs_root+0x1c/0x230
[  233.274966][ T6680]  ? kernfs_path_from_node+0x250/0x290
[  233.274982][ T6680]  ? kernfs_path_from_node+0x2f/0x290
[  233.275000][ T6680]  sysfs_create_dir_ns+0x259/0x280
[  233.275028][ T6680]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  233.275055][ T6680]  ? do_raw_spin_unlock+0x122/0x240
[  233.275076][ T6680]  kobject_add_internal+0x59f/0xb40
[  233.275103][ T6680]  kobject_init_and_add+0x125/0x190
[  233.275128][ T6680]  ? __pfx_kobject_init_and_add+0x10/0x10
[  233.275150][ T6680]  ? __raw_spin_lock_init+0x45/0x100
[  233.275169][ T6680]  ? __init_swait_queue_head+0xa9/0x150
[  233.275188][ T6680]  gfs2_sys_fs_add+0x234/0x450
[  233.275216][ T6680]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  233.275244][ T6680]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  233.275272][ T6680]  gfs2_fill_super+0x13c0/0x20d0
[  233.275299][ T6680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.275321][ T6680]  ? sb_set_blocksize+0x104/0x180
[  233.275344][ T6680]  ? setup_bdev_super+0x4c1/0x5b0
[  233.275366][ T6680]  get_tree_bdev_flags+0x40e/0x4d0
[  233.275386][ T6680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.275405][ T6680]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  233.275428][ T6680]  gfs2_get_tree+0x51/0x1e0
[  233.275448][ T6680]  vfs_get_tree+0x92/0x2b0
[  233.275465][ T6680]  do_new_mount+0x2a2/0xa30
[  233.275484][ T6680]  ? ns_capable+0x8a/0xf0
[  233.275504][ T6680]  ? __pfx_do_new_mount+0x10/0x10
[  233.275521][ T6680]  ? path_mount+0x61c/0xfe0
[  233.275538][ T6680]  ? user_path_at+0x44/0x60
[  233.275554][ T6680]  __se_sys_mount+0x317/0x410
[  233.275574][ T6680]  ? __pfx___se_sys_mount+0x10/0x10
[  233.275601][ T6680]  ? rcu_is_watching+0x15/0xb0
[  233.275621][ T6680]  ? __x64_sys_mount+0x20/0xc0
[  233.275640][ T6680]  do_syscall_64+0xfa/0xfa0
[  233.275657][ T6680]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.275671][ T6680]  ? clear_bhb_loop+0x60/0xb0
[  233.275687][ T6680]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.275701][ T6680] RIP: 0033:0x7f7a00d9038a
[  233.275715][ T6680] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.275728][ T6680] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.275746][ T6680] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  233.275757][ T6680] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  233.275768][ T6680] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
[  233.275778][ T6680] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  233.275788][ T6680] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  233.275804][ T6680]  </TASK>
[  233.275824][ T6680] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.534835][   T31] INFO: task kworker/0:3:5960 blocked for more than 143 seconds.
[  233.543591][ T6680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.551417][   T31]       Not tainted syzkaller #0
[  233.638579][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  233.647845][   T31] task:kworker/0:3     state:D stack:25096 pid:5960  tgid:5960  ppid:2      task_flags:0x4208060 flags:0x00004000
[  233.660091][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  233.666112][   T31] Call Trace:
[  233.669463][   T31]  <TASK>
[  233.672501][   T31]  __schedule+0x1798/0x4cc0
[  233.677592][   T31]  ? blk_mq_dispatch_queue_requests+0x552/0x800
[  233.684065][   T31]  ? lock_release+0x4b/0x3e0
[  233.688797][   T31]  ? __pfx___schedule+0x10/0x10
[  233.701133][   T31]  ? do_raw_spin_lock+0x121/0x290
[  233.706683][   T31]  ? schedule+0x91/0x360
[  233.711116][   T31]  ? rcu_is_watching+0x15/0xb0
[  233.715920][   T31]  ? rcu_is_watching+0x15/0xb0
[  233.720898][   T31]  ? lock_release+0x4b/0x3e0
[  233.725628][   T31]  ? schedule+0x91/0x360
[  233.729954][   T31]  ? wq_worker_sleeping+0x63/0x250
[  233.735105][   T31]  schedule+0x165/0x360
[  233.739472][   T31]  io_schedule+0x80/0xd0
[  233.743828][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  233.749174][   T31]  ? lock_release+0x4b/0x3e0
[  233.753885][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  233.759840][   T31]  ? seqcount_lockdep_reader_access+0x175/0x1c0
[  233.766130][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  233.771772][   T31]  ? __get_log_header+0x297/0x620
[  233.777208][   T31]  ? __filemap_get_folio+0x79f/0xaf0
[  233.782615][   T31]  gfs2_jhead_process_page+0x16e/0x650
[  233.788200][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  233.794374][   T31]  gfs2_find_jhead+0xc9e/0xe10
[  233.799278][   T31]  gfs2_recover_func+0x646/0x1d90
[  233.804337][   T31]  ? rcu_is_watching+0x15/0xb0
[  233.809184][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  233.814665][   T31]  ? update_load_avg+0x572/0x1880
[  233.819907][   T31]  ? __switch_to+0xdc8/0x1690
[  233.824619][   T31]  ? __pfx_min_vruntime_cb_rotate+0x10/0x10
[  233.830673][   T31]  ? do_raw_spin_lock+0x121/0x290
[  233.835731][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  233.841223][   T31]  ? rcu_is_watching+0x15/0xb0
[  233.846032][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  233.851833][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  233.857584][   T31]  process_scheduled_works+0xae1/0x17b0
[  233.863271][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  233.869329][   T31]  worker_thread+0x8a0/0xda0
[  233.873962][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  233.880978][   T31]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  233.886906][   T31]  ? __kthread_parkme+0x7b/0x200
[  233.892186][   T31]  kthread+0x711/0x8a0
[  233.896293][   T31]  ? __pfx_worker_thread+0x10/0x10
[  233.901758][   T31]  ? __pfx_kthread+0x10/0x10
[  233.906379][   T31]  ? rcu_is_watching+0x15/0xb0
[  233.911589][   T31]  ? __pfx_kthread+0x10/0x10
[  233.916207][   T31]  ret_from_fork+0x47c/0x820
[  233.921202][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  233.926346][   T31]  ? __switch_to_asm+0x39/0x70
[  233.931467][   T31]  ? __switch_to_asm+0x33/0x70
[  233.936519][   T31]  ? __pfx_kthread+0x10/0x10
[  233.942698][   T31]  ret_from_fork_asm+0x1a/0x30
[  233.947511][   T31]  </TASK>
[  233.956119][   T31] INFO: task syz.0.22:6043 blocked for more than 143 seconds.
[  233.973396][   T31]       Not tainted syzkaller #0
[  233.978420][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  233.987709][   T31] task:syz.0.22        state:D stack:25160 pid:6043  tgid:6043  ppid:5973   task_flags:0x400140 flags:0x00004004
[  233.999789][   T31] Call Trace:
[  234.003133][   T31]  <TASK>
[  234.006086][   T31]  __schedule+0x1798/0x4cc0
[  234.011760][   T31]  ? __pfx_preempt_schedule_notrace+0x10/0x10
[  234.017880][   T31]  ? preempt_schedule+0xae/0xc0
[  234.022948][   T31]  ? __pfx___schedule+0x10/0x10
[  234.027925][   T31]  ? schedule+0x91/0x360
[  234.033122][   T31]  ? rcu_is_watching+0x15/0xb0
[  234.037932][   T31]  ? rcu_is_watching+0x15/0xb0
[  234.042909][   T31]  ? lock_release+0x4b/0x3e0
[  234.047533][   T31]  schedule+0x165/0x360
[  234.052682][   T31]  bit_wait+0x11/0xd0
[  234.056702][   T31]  __wait_on_bit+0xb6/0x310
[  234.061337][   T31]  ? __pfx_bit_wait+0x10/0x10
[  234.066044][   T31]  ? __pfx_bit_wait+0x10/0x10
[  234.070828][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  234.076314][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  234.083291][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  234.089346][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  234.094573][   T31]  gfs2_recover_journal+0xda/0x140
[  234.095907][ T6684] loop1: detected capacity change from 0 to 32768
[  234.100590][   T31]  init_journal+0x17cc/0x2260
[  234.111213][   T31]  ? init_inodes+0xdb/0x320
[  234.115830][   T31]  ? __pfx_init_journal+0x10/0x10
[  234.121581][   T31]  ? snprintf+0xda/0x120
[  234.125876][   T31]  ? init_inodes+0xdb/0x320
[  234.130946][   T31]  ? __pfx_snprintf+0x10/0x10
[  234.136092][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  234.136225][ T6684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.141611][   T31]  init_inodes+0xdb/0x320
[  234.153525][   T31]  gfs2_fill_super+0x1923/0x20d0
[  234.158322][ T6684] CPU: 0 UID: 0 PID: 6684 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  234.158346][ T6684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  234.158357][ T6684] Call Trace:
[  234.158364][ T6684]  <TASK>
[  234.158371][ T6684]  dump_stack_lvl+0x189/0x250
[  234.158395][ T6684]  ? __pfx_dump_stack_lvl+0x10/0x10
[  234.158415][ T6684]  ? __pfx__printk+0x10/0x10
[  234.158436][ T6684]  ? kernfs_root+0x1c/0x230
[  234.158453][ T6684]  ? kernfs_path_from_node+0x250/0x290
[  234.158468][ T6684]  ? kernfs_path_from_node+0x2f/0x290
[  234.158484][ T6684]  sysfs_create_dir_ns+0x259/0x280
[  234.158508][ T6684]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  234.158540][ T6684]  ? do_raw_spin_unlock+0x122/0x240
[  234.158559][ T6684]  kobject_add_internal+0x59f/0xb40
[  234.158585][ T6684]  kobject_init_and_add+0x125/0x190
[  234.158610][ T6684]  ? __pfx_kobject_init_and_add+0x10/0x10
[  234.158633][ T6684]  ? __raw_spin_lock_init+0x45/0x100
[  234.158651][ T6684]  ? __init_swait_queue_head+0xa9/0x150
[  234.158669][ T6684]  gfs2_sys_fs_add+0x234/0x450
[  234.158695][ T6684]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  234.158721][ T6684]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  234.158744][ T6684]  gfs2_fill_super+0x13c0/0x20d0
[  234.158769][ T6684]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.158789][ T6684]  ? sb_set_blocksize+0x104/0x180
[  234.158811][ T6684]  ? setup_bdev_super+0x4c1/0x5b0
[  234.158832][ T6684]  get_tree_bdev_flags+0x40e/0x4d0
[  234.158852][ T6684]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.158870][ T6684]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  234.158893][ T6684]  gfs2_get_tree+0x51/0x1e0
[  234.158912][ T6684]  vfs_get_tree+0x92/0x2b0
[  234.158932][ T6684]  do_new_mount+0x2a2/0xa30
[  234.158954][ T6684]  ? ns_capable+0x8a/0xf0
[  234.158976][ T6684]  ? __pfx_do_new_mount+0x10/0x10
[  234.158995][ T6684]  ? path_mount+0x61c/0xfe0
[  234.159014][ T6684]  ? user_path_at+0x44/0x60
[  234.159033][ T6684]  __se_sys_mount+0x317/0x410
[  234.159056][ T6684]  ? __pfx___se_sys_mount+0x10/0x10
[  234.159079][ T6684]  ? rcu_is_watching+0x15/0xb0
[  234.159101][ T6684]  ? __x64_sys_mount+0x20/0xc0
[  234.159122][ T6684]  do_syscall_64+0xfa/0xfa0
[  234.159141][ T6684]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.159158][ T6684]  ? clear_bhb_loop+0x60/0xb0
[  234.159176][ T6684]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.159192][ T6684] RIP: 0033:0x7f7a00d9038a
[  234.159209][ T6684] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.159224][ T6684] RSP: 002b:00007ffdf2a17738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.159244][ T6684] RAX: ffffffffffffffda RBX: 00007ffdf2a177c0 RCX: 00007f7a00d9038a
[  234.159257][ T6684] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffdf2a17780
[  234.159268][ T6684] RBP: 000020000001f680 R08: 00007ffdf2a177c0 R09: 0000000000000084
2025/08/25 11:31:45 executed programs: 208
[  234.159279][ T6684] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  234.159291][ T6684] R13: 00007ffdf2a17780 R14: 000000000001f81f R15: 00002000000001c0
[  234.159308][ T6684]  </TASK>
[  234.159936][ T6684] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.170256][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.193435][ T6684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.194569][   T31]  ? init_locking+0xb8/0x210
[  234.491377][   T31]  ? sb_set_blocksize+0x104/0x180
[  234.496857][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  234.502072][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  234.507213][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.512580][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  234.518297][   T31]  gfs2_get_tree+0x51/0x1e0
[  234.522931][   T31]  vfs_get_tree+0x92/0x2b0
[  234.527460][   T31]  do_new_mount+0x2a2/0xa30
[  234.532322][   T31]  ? ns_capable+0x8a/0xf0
[  234.536676][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  234.541859][   T31]  ? path_mount+0x61c/0xfe0
[  234.546385][   T31]  ? user_path_at+0x44/0x60
[  234.550956][   T31]  __se_sys_mount+0x317/0x410
[  234.555751][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  234.561055][   T31]  ? rcu_is_watching+0x15/0xb0
[  234.565843][   T31]  ? __x64_sys_mount+0x20/0xc0
[  234.570674][   T31]  do_syscall_64+0xfa/0xfa0
[  234.575198][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.581339][   T31]  ? clear_bhb_loop+0x60/0xb0
[  234.586217][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.592201][   T31] RIP: 0033:0x7f640ab9038a
[  234.597077][   T31] RSP: 002b:00007ffff582f768 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.605576][   T31] RAX: ffffffffffffffda RBX: 00007ffff582f7f0 RCX: 00007f640ab9038a
[  234.613631][   T31] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffff582f7b0
[  234.621870][   T31] RBP: 000020000001f680 R08: 00007ffff582f7f0 R09: 0000000000000084
[  234.630048][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  234.638133][   T31] R13: 00007ffff582f7b0 R14: 000000000001f81f R15: 00002000000001c0
[  234.646212][   T31]  </TASK>
[  234.649907][   T31] INFO: lockdep is turned off.
[  234.654879][   T31] NMI backtrace for cpu 1
[  234.654895][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  234.654917][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  234.654928][   T31] Call Trace:
[  234.654936][   T31]  <TASK>
[  234.654944][   T31]  dump_stack_lvl+0x189/0x250
[  234.654973][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  234.654995][   T31]  ? __pfx__printk+0x10/0x10
[  234.655025][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  234.655053][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  234.655081][   T31]  ? __pfx__printk+0x10/0x10
[  234.655106][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  234.655133][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  234.655161][   T31]  watchdog+0xf60/0xfa0
[  234.655185][   T31]  ? watchdog+0x1e2/0xfa0
[  234.655208][   T31]  kthread+0x711/0x8a0
[  234.655229][   T31]  ? __pfx_watchdog+0x10/0x10
[  234.655249][   T31]  ? __pfx_kthread+0x10/0x10
[  234.655269][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  234.655288][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  234.655309][   T31]  ? __pfx_kthread+0x10/0x10
[  234.655327][   T31]  ret_from_fork+0x47c/0x820
[  234.655354][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  234.655382][   T31]  ? __switch_to_asm+0x39/0x70
[  234.655405][   T31]  ? __switch_to_asm+0x33/0x70
[  234.655427][   T31]  ? __pfx_kthread+0x10/0x10
[  234.655446][   T31]  ret_from_fork_asm+0x1a/0x30
[  234.655476][   T31]  </TASK>
[  234.655485][   T31] Sending NMI from CPU 1 to CPUs 0:
[  234.803198][    C0] NMI backtrace for cpu 0
[  234.803218][    C0] CPU: 0 UID: 0 PID: 4927 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) 
[  234.803236][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  234.803246][    C0] Workqueue: bat_events batadv_nc_worker
[  234.803268][    C0] RIP: 0010:lock_release+0x2c4/0x3e0
[  234.803290][    C0] Code: f7 44 24 20 00 02 00 00 75 56 f7 c3 00 02 00 00 74 01 fb 65 48 8b 05 1b b9 23 11 48 3b 44 24 28 0f 85 8b 00 00 00 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 7d 2e e3 09 cc 90 0f 0b 90 e9 5d
[  234.803304][    C0] RSP: 0018:ffffc9000ec279c8 EFLAGS: 00000282
[  234.803317][    C0] RAX: 5186694d17e57c00 RBX: ffff888025e4e700 RCX: 5186694d17e57c00
[  234.803330][    C0] RDX: 0000000000000000 RSI: ffffffff8c035860 RDI: ffffffff8c035820
[  234.803340][    C0] RBP: fffffffffffffe38 R08: 0000000000000000 R09: 0000000000000000
[  234.803351][    C0] R10: dffffc0000000000 R11: ffffffff8b4c0730 R12: dffffc0000000000
[  234.803362][    C0] R13: ffffffff8b4c0802 R14: ffffffff8e33bfe0 R15: 000000000000007d
[  234.803373][    C0] FS:  0000000000000000(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000
[  234.803386][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  234.803398][    C0] CR2: 00007f79f8dff000 CR3: 000000000e138000 CR4: 00000000003526f0
[  234.803414][    C0] Call Trace:
[  234.803421][    C0]  <TASK>
[  234.803428][    C0]  ? batadv_nc_worker+0xd2/0x610
[  234.803443][    C0]  batadv_nc_worker+0x28c/0x610
[  234.803481][    C0]  ? process_scheduled_works+0x9ef/0x17b0
[  234.803502][    C0]  process_scheduled_works+0xae1/0x17b0
[  234.803538][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  234.803563][    C0]  worker_thread+0x8a0/0xda0
[  234.803585][    C0]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  234.803603][    C0]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  234.803619][    C0]  ? __kthread_parkme+0x7b/0x200
[  234.803642][    C0]  kthread+0x711/0x8a0
[  234.803659][    C0]  ? __pfx_worker_thread+0x10/0x10
[  234.803678][    C0]  ? __pfx_kthread+0x10/0x10
[  234.803694][    C0]  ? rcu_is_watching+0x15/0xb0
[  234.803715][    C0]  ? __pfx_kthread+0x10/0x10
[  234.803730][    C0]  ret_from_fork+0x47c/0x820
[  234.803751][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  234.803773][    C0]  ? __switch_to_asm+0x39/0x70
[  234.803792][    C0]  ? __switch_to_asm+0x33/0x70
[  234.803809][    C0]  ? __pfx_kthread+0x10/0x10
[  234.803825][    C0]  ret_from_fork_asm+0x1a/0x30
[  234.803849][    C0]  </TASK>
[  234.804415][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  235.046145][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  235.055354][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.065425][   T31] Call Trace:
[  235.068720][   T31]  <TASK>
[  235.071654][   T31]  dump_stack_lvl+0x99/0x250
[  235.076253][   T31]  ? __asan_memcpy+0x40/0x70
[  235.081041][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.086245][   T31]  ? __pfx__printk+0x10/0x10
[  235.090849][   T31]  vpanic+0x281/0x750
[  235.094835][   T31]  ? __pfx_vpanic+0x10/0x10
[  235.099339][   T31]  ? rcu_is_watching+0x15/0xb0
[  235.104109][   T31]  ? preempt_schedule+0xae/0xc0
[  235.108962][   T31]  ? preempt_schedule_common+0x83/0xd0
[  235.114603][   T31]  panic+0xb9/0xc0
[  235.118334][   T31]  ? __pfx_panic+0x10/0x10
[  235.122844][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  235.128216][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  235.134393][   T31]  watchdog+0xf9f/0xfa0
[  235.138642][   T31]  ? watchdog+0x1e2/0xfa0
[  235.142977][   T31]  kthread+0x711/0x8a0
[  235.147052][   T31]  ? __pfx_watchdog+0x10/0x10
[  235.151906][   T31]  ? __pfx_kthread+0x10/0x10
[  235.156497][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  235.162139][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  235.167438][   T31]  ? __pfx_kthread+0x10/0x10
[  235.172047][   T31]  ret_from_fork+0x47c/0x820
[  235.176661][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  235.181780][   T31]  ? __switch_to_asm+0x39/0x70
[  235.186570][   T31]  ? __switch_to_asm+0x33/0x70
[  235.191423][   T31]  ? __pfx_kthread+0x10/0x10
[  235.196030][   T31]  ret_from_fork_asm+0x1a/0x30
[  235.200892][   T31]  </TASK>
[  235.204072][   T31] Kernel Offset: disabled
[  235.208387][   T31] Rebooting in 86400 seconds..