0]  ? __pfx_kobject_init_and_add+0x10/0x10
[  202.826303][ T6620]  ? __raw_spin_lock_init+0x45/0x100
[  202.826320][ T6620]  ? __init_swait_queue_head+0xa9/0x150
[  202.826337][ T6620]  gfs2_sys_fs_add+0x234/0x450
[  202.826361][ T6620]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  202.826390][ T6620]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  202.826414][ T6620]  gfs2_fill_super+0x13c0/0x20d0
[  202.826439][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.826457][ T6620]  ? sb_set_blocksize+0x104/0x180
[  202.826483][ T6620]  ? setup_bdev_super+0x4c1/0x5b0
[  202.826503][ T6620]  get_tree_bdev_flags+0x40e/0x4d0
[  202.826521][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.826537][ T6620]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  202.826559][ T6620]  gfs2_get_tree+0x51/0x1e0
[  202.826577][ T6620]  vfs_get_tree+0x92/0x2b0
[  202.826595][ T6620]  do_new_mount+0x2a2/0xa30
[  202.826616][ T6620]  ? ns_capable+0x8a/0xf0
[  202.826638][ T6620]  ? __pfx_do_new_mount+0x10/0x10
[  202.826657][ T6620]  ? path_mount+0x61c/0xfe0
[  202.826674][ T6620]  ? user_path_at+0x44/0x60
[  202.826692][ T6620]  __se_sys_mount+0x317/0x410
[  202.826714][ T6620]  ? __pfx___se_sys_mount+0x10/0x10
[  202.826735][ T6620]  ? rcu_is_watching+0x15/0xb0
[  202.826757][ T6620]  ? __x64_sys_mount+0x20/0xc0
[  202.826777][ T6620]  do_syscall_64+0xfa/0xfa0
[  202.826796][ T6620]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.826813][ T6620]  ? clear_bhb_loop+0x60/0xb0
[  202.826830][ T6620]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.826845][ T6620] RIP: 0033:0x7f788219038a
[  202.826861][ T6620] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  202.826876][ T6620] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  202.826895][ T6620] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  202.826908][ T6620] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  202.826920][ T6620] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  202.826932][ T6620] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  202.826943][ T6620] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  202.826962][ T6620]  </TASK>
[  202.826980][ T6620] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  203.142732][ T6620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  203.431052][ T6623] loop1: detected capacity change from 0 to 32768
[  203.462166][ T6623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  203.470431][ T6623] CPU: 0 UID: 0 PID: 6623 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  203.470455][ T6623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  203.470467][ T6623] Call Trace:
[  203.470474][ T6623]  <TASK>
[  203.470481][ T6623]  dump_stack_lvl+0x189/0x250
[  203.470507][ T6623]  ? __pfx_dump_stack_lvl+0x10/0x10
[  203.470526][ T6623]  ? __pfx__printk+0x10/0x10
[  203.470545][ T6623]  ? kernfs_root+0x1c/0x230
[  203.470562][ T6623]  ? kernfs_path_from_node+0x250/0x290
[  203.470578][ T6623]  ? kernfs_path_from_node+0x2f/0x290
[  203.470594][ T6623]  sysfs_create_dir_ns+0x259/0x280
[  203.470617][ T6623]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  203.470638][ T6623]  ? do_raw_spin_unlock+0x122/0x240
[  203.470654][ T6623]  kobject_add_internal+0x59f/0xb40
[  203.470676][ T6623]  kobject_init_and_add+0x125/0x190
[  203.470697][ T6623]  ? __pfx_kobject_init_and_add+0x10/0x10
[  203.470714][ T6623]  ? __raw_spin_lock_init+0x45/0x100
[  203.470728][ T6623]  ? __init_swait_queue_head+0xa9/0x150
[  203.470743][ T6623]  gfs2_sys_fs_add+0x234/0x450
[  203.470765][ T6623]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  203.470788][ T6623]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  203.470810][ T6623]  gfs2_fill_super+0x13c0/0x20d0
[  203.470831][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.470848][ T6623]  ? sb_set_blocksize+0x104/0x180
[  203.470868][ T6623]  ? setup_bdev_super+0x4c1/0x5b0
[  203.470887][ T6623]  get_tree_bdev_flags+0x40e/0x4d0
[  203.470905][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.470923][ T6623]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  203.470945][ T6623]  gfs2_get_tree+0x51/0x1e0
[  203.470962][ T6623]  vfs_get_tree+0x92/0x2b0
[  203.470980][ T6623]  do_new_mount+0x2a2/0xa30
[  203.471009][ T6623]  ? ns_capable+0x8a/0xf0
[  203.471029][ T6623]  ? __pfx_do_new_mount+0x10/0x10
[  203.471046][ T6623]  ? path_mount+0x61c/0xfe0
[  203.471064][ T6623]  ? user_path_at+0x44/0x60
[  203.471082][ T6623]  __se_sys_mount+0x317/0x410
[  203.471103][ T6623]  ? __pfx___se_sys_mount+0x10/0x10
[  203.471125][ T6623]  ? rcu_is_watching+0x15/0xb0
[  203.471145][ T6623]  ? __x64_sys_mount+0x20/0xc0
[  203.471165][ T6623]  do_syscall_64+0xfa/0xfa0
[  203.471184][ T6623]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.471199][ T6623]  ? clear_bhb_loop+0x60/0xb0
[  203.471217][ T6623]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.471233][ T6623] RIP: 0033:0x7f788219038a
[  203.471248][ T6623] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  203.471262][ T6623] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  203.471280][ T6623] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  203.471293][ T6623] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  203.471309][ T6623] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  203.471320][ T6623] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  203.471332][ T6623] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  203.471350][ T6623]  </TASK>
[  203.471386][ T6623] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  203.785999][ T6623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.074739][ T6626] loop1: detected capacity change from 0 to 32768
[  204.088671][ T6626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.096335][ T6626] CPU: 1 UID: 0 PID: 6626 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  204.096358][ T6626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.096369][ T6626] Call Trace:
[  204.096377][ T6626]  <TASK>
[  204.096385][ T6626]  dump_stack_lvl+0x189/0x250
[  204.096409][ T6626]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.096429][ T6626]  ? __pfx__printk+0x10/0x10
[  204.096448][ T6626]  ? kernfs_root+0x1c/0x230
[  204.096466][ T6626]  ? kernfs_path_from_node+0x250/0x290
[  204.096481][ T6626]  ? kernfs_path_from_node+0x2f/0x290
[  204.096497][ T6626]  sysfs_create_dir_ns+0x259/0x280
[  204.096521][ T6626]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.096543][ T6626]  ? do_raw_spin_unlock+0x122/0x240
[  204.096563][ T6626]  kobject_add_internal+0x59f/0xb40
[  204.096587][ T6626]  kobject_init_and_add+0x125/0x190
[  204.096608][ T6626]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.096628][ T6626]  ? __raw_spin_lock_init+0x45/0x100
[  204.096645][ T6626]  ? __init_swait_queue_head+0xa9/0x150
[  204.096662][ T6626]  gfs2_sys_fs_add+0x234/0x450
[  204.096685][ T6626]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.096709][ T6626]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.096733][ T6626]  gfs2_fill_super+0x13c0/0x20d0
[  204.096756][ T6626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.096775][ T6626]  ? sb_set_blocksize+0x104/0x180
[  204.096796][ T6626]  ? setup_bdev_super+0x4c1/0x5b0
[  204.096816][ T6626]  get_tree_bdev_flags+0x40e/0x4d0
[  204.096835][ T6626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.096853][ T6626]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.096876][ T6626]  gfs2_get_tree+0x51/0x1e0
[  204.096894][ T6626]  vfs_get_tree+0x92/0x2b0
[  204.096929][ T6626]  do_new_mount+0x2a2/0xa30
[  204.096949][ T6626]  ? ns_capable+0x8a/0xf0
[  204.096970][ T6626]  ? __pfx_do_new_mount+0x10/0x10
[  204.096989][ T6626]  ? path_mount+0x61c/0xfe0
[  204.097007][ T6626]  ? user_path_at+0x44/0x60
[  204.097026][ T6626]  __se_sys_mount+0x317/0x410
[  204.097048][ T6626]  ? __pfx___se_sys_mount+0x10/0x10
[  204.097070][ T6626]  ? rcu_is_watching+0x15/0xb0
[  204.097091][ T6626]  ? __x64_sys_mount+0x20/0xc0
[  204.097111][ T6626]  do_syscall_64+0xfa/0xfa0
[  204.097130][ T6626]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.097147][ T6626]  ? clear_bhb_loop+0x60/0xb0
[  204.097165][ T6626]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.097182][ T6626] RIP: 0033:0x7f788219038a
[  204.097204][ T6626] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  204.097219][ T6626] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.097238][ T6626] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  204.097252][ T6626] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  204.097265][ T6626] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  204.097277][ T6626] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  204.097289][ T6626] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  204.097309][ T6626]  </TASK>
[  204.097327][ T6626] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.412751][ T6626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.708835][ T6629] loop1: detected capacity change from 0 to 32768
[  204.716945][ T6629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.724591][ T6629] CPU: 1 UID: 0 PID: 6629 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  204.724614][ T6629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.724625][ T6629] Call Trace:
[  204.724634][ T6629]  <TASK>
[  204.724641][ T6629]  dump_stack_lvl+0x189/0x250
[  204.724667][ T6629]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.724686][ T6629]  ? __pfx__printk+0x10/0x10
[  204.724706][ T6629]  ? kernfs_root+0x1c/0x230
[  204.724723][ T6629]  ? kernfs_path_from_node+0x250/0x290
[  204.724738][ T6629]  ? kernfs_path_from_node+0x2f/0x290
[  204.724755][ T6629]  sysfs_create_dir_ns+0x259/0x280
[  204.724778][ T6629]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.724800][ T6629]  ? do_raw_spin_unlock+0x122/0x240
[  204.724820][ T6629]  kobject_add_internal+0x59f/0xb40
[  204.724842][ T6629]  kobject_init_and_add+0x125/0x190
[  204.724864][ T6629]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.724884][ T6629]  ? __raw_spin_lock_init+0x45/0x100
[  204.724900][ T6629]  ? __init_swait_queue_head+0xa9/0x150
[  204.724916][ T6629]  gfs2_sys_fs_add+0x234/0x450
[  204.724937][ T6629]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.724958][ T6629]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.724980][ T6629]  gfs2_fill_super+0x13c0/0x20d0
[  204.725003][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.725023][ T6629]  ? sb_set_blocksize+0x104/0x180
[  204.725044][ T6629]  ? setup_bdev_super+0x4c1/0x5b0
[  204.725065][ T6629]  get_tree_bdev_flags+0x40e/0x4d0
[  204.725085][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.725101][ T6629]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.725119][ T6629]  gfs2_get_tree+0x51/0x1e0
[  204.725135][ T6629]  vfs_get_tree+0x92/0x2b0
[  204.725151][ T6629]  do_new_mount+0x2a2/0xa30
[  204.725180][ T6629]  ? ns_capable+0x8a/0xf0
[  204.725201][ T6629]  ? __pfx_do_new_mount+0x10/0x10
[  204.725220][ T6629]  ? path_mount+0x61c/0xfe0
[  204.725238][ T6629]  ? user_path_at+0x44/0x60
[  204.725256][ T6629]  __se_sys_mount+0x317/0x410
[  204.725278][ T6629]  ? __pfx___se_sys_mount+0x10/0x10
[  204.725299][ T6629]  ? rcu_is_watching+0x15/0xb0
[  204.725319][ T6629]  ? __x64_sys_mount+0x20/0xc0
[  204.725339][ T6629]  do_syscall_64+0xfa/0xfa0
[  204.725358][ T6629]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.725374][ T6629]  ? clear_bhb_loop+0x60/0xb0
[  204.725392][ T6629]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.725407][ T6629] RIP: 0033:0x7f788219038a
[  204.725421][ T6629] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  204.725435][ T6629] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.725451][ T6629] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  204.725461][ T6629] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  204.725473][ T6629] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  204.725485][ T6629] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  204.725497][ T6629] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  204.725516][ T6629]  </TASK>
[  204.725535][ T6629] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.040793][ T6629] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.378698][ T6632] loop1: detected capacity change from 0 to 32768
[  205.397454][ T6632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.405179][ T6632] CPU: 1 UID: 0 PID: 6632 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  205.405201][ T6632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  205.405211][ T6632] Call Trace:
[  205.405217][ T6632]  <TASK>
[  205.405224][ T6632]  dump_stack_lvl+0x189/0x250
[  205.405247][ T6632]  ? __pfx_dump_stack_lvl+0x10/0x10
[  205.405265][ T6632]  ? __pfx__printk+0x10/0x10
[  205.405284][ T6632]  ? kernfs_root+0x1c/0x230
[  205.405300][ T6632]  ? kernfs_path_from_node+0x250/0x290
[  205.405312][ T6632]  ? kernfs_path_from_node+0x2f/0x290
[  205.405325][ T6632]  sysfs_create_dir_ns+0x259/0x280
[  205.405346][ T6632]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  205.405367][ T6632]  ? do_raw_spin_unlock+0x122/0x240
[  205.405387][ T6632]  kobject_add_internal+0x59f/0xb40
[  205.405410][ T6632]  kobject_init_and_add+0x125/0x190
[  205.405429][ T6632]  ? __pfx_kobject_init_and_add+0x10/0x10
[  205.405447][ T6632]  ? __raw_spin_lock_init+0x45/0x100
[  205.405463][ T6632]  ? __init_swait_queue_head+0xa9/0x150
[  205.405478][ T6632]  gfs2_sys_fs_add+0x234/0x450
[  205.405498][ T6632]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  205.405519][ T6632]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  205.405541][ T6632]  gfs2_fill_super+0x13c0/0x20d0
[  205.405562][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.405575][ T6632]  ? sb_set_blocksize+0x104/0x180
[  205.405588][ T6632]  ? setup_bdev_super+0x4c1/0x5b0
[  205.405600][ T6632]  get_tree_bdev_flags+0x40e/0x4d0
[  205.405610][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.405620][ T6632]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  205.405633][ T6632]  gfs2_get_tree+0x51/0x1e0
[  205.405644][ T6632]  vfs_get_tree+0x92/0x2b0
[  205.405655][ T6632]  do_new_mount+0x2a2/0xa30
[  205.405667][ T6632]  ? ns_capable+0x8a/0xf0
[  205.405681][ T6632]  ? __pfx_do_new_mount+0x10/0x10
[  205.405692][ T6632]  ? path_mount+0x61c/0xfe0
[  205.405702][ T6632]  ? user_path_at+0x44/0x60
[  205.405712][ T6632]  __se_sys_mount+0x317/0x410
[  205.405725][ T6632]  ? __pfx___se_sys_mount+0x10/0x10
[  205.405738][ T6632]  ? rcu_is_watching+0x15/0xb0
[  205.405751][ T6632]  ? __x64_sys_mount+0x20/0xc0
[  205.405763][ T6632]  do_syscall_64+0xfa/0xfa0
[  205.405775][ T6632]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.405784][ T6632]  ? clear_bhb_loop+0x60/0xb0
[  205.405794][ T6632]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.405804][ T6632] RIP: 0033:0x7f788219038a
[  205.405814][ T6632] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  205.405823][ T6632] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.405835][ T6632] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  205.405843][ T6632] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  205.405850][ T6632] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  205.405857][ T6632] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  205.405863][ T6632] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  205.405873][ T6632]  </TASK>
[  205.405965][ T6632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.721157][ T6632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.011345][ T6635] loop1: detected capacity change from 0 to 32768
[  206.022288][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.030705][ T6635] CPU: 0 UID: 0 PID: 6635 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  206.030729][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.030741][ T6635] Call Trace:
[  206.030748][ T6635]  <TASK>
[  206.030755][ T6635]  dump_stack_lvl+0x189/0x250
[  206.030779][ T6635]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.030798][ T6635]  ? __pfx__printk+0x10/0x10
[  206.030817][ T6635]  ? kernfs_root+0x1c/0x230
[  206.030835][ T6635]  ? kernfs_path_from_node+0x250/0x290
[  206.030850][ T6635]  ? kernfs_path_from_node+0x2f/0x290
[  206.030866][ T6635]  sysfs_create_dir_ns+0x259/0x280
[  206.030888][ T6635]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.030910][ T6635]  ? do_raw_spin_unlock+0x122/0x240
[  206.030929][ T6635]  kobject_add_internal+0x59f/0xb40
[  206.030951][ T6635]  kobject_init_and_add+0x125/0x190
[  206.030972][ T6635]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.030991][ T6635]  ? __raw_spin_lock_init+0x45/0x100
[  206.031007][ T6635]  ? __init_swait_queue_head+0xa9/0x150
[  206.031024][ T6635]  gfs2_sys_fs_add+0x234/0x450
[  206.031071][ T6635]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.031095][ T6635]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.031118][ T6635]  gfs2_fill_super+0x13c0/0x20d0
[  206.031141][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.031161][ T6635]  ? sb_set_blocksize+0x104/0x180
[  206.031182][ T6635]  ? setup_bdev_super+0x4c1/0x5b0
[  206.031203][ T6635]  get_tree_bdev_flags+0x40e/0x4d0
[  206.031221][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.031238][ T6635]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.031260][ T6635]  gfs2_get_tree+0x51/0x1e0
[  206.031277][ T6635]  vfs_get_tree+0x92/0x2b0
[  206.031295][ T6635]  do_new_mount+0x2a2/0xa30
[  206.031316][ T6635]  ? ns_capable+0x8a/0xf0
[  206.031337][ T6635]  ? __pfx_do_new_mount+0x10/0x10
[  206.031355][ T6635]  ? path_mount+0x61c/0xfe0
[  206.031372][ T6635]  ? user_path_at+0x44/0x60
[  206.031391][ T6635]  __se_sys_mount+0x317/0x410
[  206.031413][ T6635]  ? __pfx___se_sys_mount+0x10/0x10
[  206.031434][ T6635]  ? rcu_is_watching+0x15/0xb0
[  206.031455][ T6635]  ? __x64_sys_mount+0x20/0xc0
[  206.031476][ T6635]  do_syscall_64+0xfa/0xfa0
[  206.031493][ T6635]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.031509][ T6635]  ? clear_bhb_loop+0x60/0xb0
[  206.031526][ T6635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.031542][ T6635] RIP: 0033:0x7f788219038a
[  206.031557][ T6635] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  206.031573][ T6635] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.031593][ T6635] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  206.031607][ T6635] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  206.031620][ T6635] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  206.031633][ T6635] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  206.031644][ T6635] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  206.031663][ T6635]  </TASK>
[  206.031680][ T6635] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.347037][ T6635] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:31:05 executed programs: 187
[  206.644993][ T6638] loop1: detected capacity change from 0 to 32768
[  206.656451][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.664022][ T6638] CPU: 1 UID: 0 PID: 6638 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  206.664045][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.664055][ T6638] Call Trace:
[  206.664063][ T6638]  <TASK>
[  206.664070][ T6638]  dump_stack_lvl+0x189/0x250
[  206.664095][ T6638]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.664114][ T6638]  ? __pfx__printk+0x10/0x10
[  206.664133][ T6638]  ? kernfs_root+0x1c/0x230
[  206.664150][ T6638]  ? kernfs_path_from_node+0x250/0x290
[  206.664164][ T6638]  ? kernfs_path_from_node+0x2f/0x290
[  206.664180][ T6638]  sysfs_create_dir_ns+0x259/0x280
[  206.664203][ T6638]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.664225][ T6638]  ? do_raw_spin_unlock+0x122/0x240
[  206.664244][ T6638]  kobject_add_internal+0x59f/0xb40
[  206.664271][ T6638]  kobject_init_and_add+0x125/0x190
[  206.664290][ T6638]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.664308][ T6638]  ? __raw_spin_lock_init+0x45/0x100
[  206.664323][ T6638]  ? __init_swait_queue_head+0xa9/0x150
[  206.664340][ T6638]  gfs2_sys_fs_add+0x234/0x450
[  206.664363][ T6638]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.664388][ T6638]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.664412][ T6638]  gfs2_fill_super+0x13c0/0x20d0
[  206.664433][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.664452][ T6638]  ? sb_set_blocksize+0x104/0x180
[  206.664472][ T6638]  ? setup_bdev_super+0x4c1/0x5b0
[  206.664491][ T6638]  get_tree_bdev_flags+0x40e/0x4d0
[  206.664509][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.664526][ T6638]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.664548][ T6638]  gfs2_get_tree+0x51/0x1e0
[  206.664566][ T6638]  vfs_get_tree+0x92/0x2b0
[  206.664584][ T6638]  do_new_mount+0x2a2/0xa30
[  206.664605][ T6638]  ? ns_capable+0x8a/0xf0
[  206.664626][ T6638]  ? __pfx_do_new_mount+0x10/0x10
[  206.664645][ T6638]  ? path_mount+0x61c/0xfe0
[  206.664662][ T6638]  ? user_path_at+0x44/0x60
[  206.664681][ T6638]  __se_sys_mount+0x317/0x410
[  206.664703][ T6638]  ? __pfx___se_sys_mount+0x10/0x10
[  206.664722][ T6638]  ? rcu_is_watching+0x15/0xb0
[  206.664742][ T6638]  ? __x64_sys_mount+0x20/0xc0
[  206.664762][ T6638]  do_syscall_64+0xfa/0xfa0
[  206.664781][ T6638]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.664798][ T6638]  ? clear_bhb_loop+0x60/0xb0
[  206.664817][ T6638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.664834][ T6638] RIP: 0033:0x7f788219038a
[  206.664850][ T6638] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  206.664865][ T6638] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.664884][ T6638] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  206.664897][ T6638] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  206.664908][ T6638] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  206.664920][ T6638] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  206.664931][ T6638] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  206.664950][ T6638]  </TASK>
[  206.969829][ T6638] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.985424][ T6638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.298821][ T6641] loop1: detected capacity change from 0 to 32768
[  207.312334][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.321701][ T6641] CPU: 1 UID: 0 PID: 6641 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  207.321727][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.321746][ T6641] Call Trace:
[  207.321754][ T6641]  <TASK>
[  207.321761][ T6641]  dump_stack_lvl+0x189/0x250
[  207.321784][ T6641]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.321801][ T6641]  ? __pfx__printk+0x10/0x10
[  207.321818][ T6641]  ? kernfs_root+0x1c/0x230
[  207.321834][ T6641]  ? kernfs_path_from_node+0x250/0x290
[  207.321846][ T6641]  ? kernfs_path_from_node+0x2f/0x290
[  207.321858][ T6641]  sysfs_create_dir_ns+0x259/0x280
[  207.321878][ T6641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.321898][ T6641]  ? do_raw_spin_unlock+0x122/0x240
[  207.321914][ T6641]  kobject_add_internal+0x59f/0xb40
[  207.321935][ T6641]  kobject_init_and_add+0x125/0x190
[  207.321953][ T6641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.321969][ T6641]  ? __raw_spin_lock_init+0x45/0x100
[  207.321983][ T6641]  ? __init_swait_queue_head+0xa9/0x150
[  207.322091][ T6641]  gfs2_sys_fs_add+0x234/0x450
[  207.322122][ T6641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.322142][ T6641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.322163][ T6641]  gfs2_fill_super+0x13c0/0x20d0
[  207.322184][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.322201][ T6641]  ? sb_set_blocksize+0x104/0x180
[  207.322220][ T6641]  ? setup_bdev_super+0x4c1/0x5b0
[  207.322241][ T6641]  get_tree_bdev_flags+0x40e/0x4d0
[  207.322257][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.322270][ T6641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.322290][ T6641]  gfs2_get_tree+0x51/0x1e0
[  207.322304][ T6641]  vfs_get_tree+0x92/0x2b0
[  207.322321][ T6641]  do_new_mount+0x2a2/0xa30
[  207.322339][ T6641]  ? ns_capable+0x8a/0xf0
[  207.322358][ T6641]  ? __pfx_do_new_mount+0x10/0x10
[  207.322374][ T6641]  ? path_mount+0x61c/0xfe0
[  207.322389][ T6641]  ? user_path_at+0x44/0x60
[  207.322405][ T6641]  __se_sys_mount+0x317/0x410
[  207.322437][ T6641]  ? __pfx___se_sys_mount+0x10/0x10
[  207.322460][ T6641]  ? rcu_is_watching+0x15/0xb0
[  207.322479][ T6641]  ? __x64_sys_mount+0x20/0xc0
[  207.322497][ T6641]  do_syscall_64+0xfa/0xfa0
[  207.322520][ T6641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.322537][ T6641]  ? clear_bhb_loop+0x60/0xb0
[  207.322554][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.322568][ T6641] RIP: 0033:0x7f788219038a
[  207.322586][ T6641] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  207.322601][ T6641] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.322619][ T6641] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  207.322632][ T6641] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  207.322643][ T6641] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  207.322654][ T6641] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  207.322664][ T6641] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  207.322681][ T6641]  </TASK>
[  207.322703][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.644597][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.952095][ T6644] loop1: detected capacity change from 0 to 32768
[  207.965082][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.972612][ T6644] CPU: 1 UID: 0 PID: 6644 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  207.972638][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.972651][ T6644] Call Trace:
[  207.972659][ T6644]  <TASK>
[  207.972665][ T6644]  dump_stack_lvl+0x189/0x250
[  207.972692][ T6644]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.972711][ T6644]  ? __pfx__printk+0x10/0x10
[  207.972730][ T6644]  ? kernfs_root+0x1c/0x230
[  207.972747][ T6644]  ? kernfs_path_from_node+0x250/0x290
[  207.972762][ T6644]  ? kernfs_path_from_node+0x2f/0x290
[  207.972777][ T6644]  sysfs_create_dir_ns+0x259/0x280
[  207.972801][ T6644]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.972823][ T6644]  ? do_raw_spin_unlock+0x122/0x240
[  207.972844][ T6644]  kobject_add_internal+0x59f/0xb40
[  207.972871][ T6644]  kobject_init_and_add+0x125/0x190
[  207.972893][ T6644]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.972911][ T6644]  ? __raw_spin_lock_init+0x45/0x100
[  207.972927][ T6644]  ? __init_swait_queue_head+0xa9/0x150
[  207.972944][ T6644]  gfs2_sys_fs_add+0x234/0x450
[  207.972968][ T6644]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.972992][ T6644]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.973021][ T6644]  gfs2_fill_super+0x13c0/0x20d0
[  207.973045][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.973065][ T6644]  ? sb_set_blocksize+0x104/0x180
[  207.973087][ T6644]  ? setup_bdev_super+0x4c1/0x5b0
[  207.973108][ T6644]  get_tree_bdev_flags+0x40e/0x4d0
[  207.973127][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.973143][ T6644]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.973164][ T6644]  gfs2_get_tree+0x51/0x1e0
[  207.973181][ T6644]  vfs_get_tree+0x92/0x2b0
[  207.973198][ T6644]  do_new_mount+0x2a2/0xa30
[  207.973218][ T6644]  ? ns_capable+0x8a/0xf0
[  207.973237][ T6644]  ? __pfx_do_new_mount+0x10/0x10
[  207.973253][ T6644]  ? path_mount+0x61c/0xfe0
[  207.973269][ T6644]  ? user_path_at+0x44/0x60
[  207.973288][ T6644]  __se_sys_mount+0x317/0x410
[  207.973309][ T6644]  ? __pfx___se_sys_mount+0x10/0x10
[  207.973329][ T6644]  ? rcu_is_watching+0x15/0xb0
[  207.973351][ T6644]  ? __x64_sys_mount+0x20/0xc0
[  207.973369][ T6644]  do_syscall_64+0xfa/0xfa0
[  207.973388][ T6644]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.973405][ T6644]  ? clear_bhb_loop+0x60/0xb0
[  207.973424][ T6644]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.973439][ T6644] RIP: 0033:0x7f788219038a
[  207.973455][ T6644] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  207.973470][ T6644] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.973491][ T6644] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  207.973505][ T6644] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  207.973518][ T6644] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  207.973531][ T6644] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  207.973543][ T6644] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  207.973561][ T6644]  </TASK>
[  207.973582][ T6644] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.289800][ T6644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.608324][ T6647] loop1: detected capacity change from 0 to 32768
[  208.622318][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.630805][ T6647] CPU: 0 UID: 0 PID: 6647 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  208.630832][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  208.630843][ T6647] Call Trace:
[  208.630851][ T6647]  <TASK>
[  208.630859][ T6647]  dump_stack_lvl+0x189/0x250
[  208.630887][ T6647]  ? __pfx_dump_stack_lvl+0x10/0x10
[  208.630906][ T6647]  ? __pfx__printk+0x10/0x10
[  208.630926][ T6647]  ? kernfs_root+0x1c/0x230
[  208.630952][ T6647]  ? kernfs_path_from_node+0x250/0x290
[  208.630968][ T6647]  ? kernfs_path_from_node+0x2f/0x290
[  208.630982][ T6647]  sysfs_create_dir_ns+0x259/0x280
[  208.631006][ T6647]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  208.631027][ T6647]  ? do_raw_spin_unlock+0x122/0x240
[  208.631047][ T6647]  kobject_add_internal+0x59f/0xb40
[  208.631070][ T6647]  kobject_init_and_add+0x125/0x190
[  208.631091][ T6647]  ? __pfx_kobject_init_and_add+0x10/0x10
[  208.631110][ T6647]  ? __raw_spin_lock_init+0x45/0x100
[  208.631126][ T6647]  ? __init_swait_queue_head+0xa9/0x150
[  208.631143][ T6647]  gfs2_sys_fs_add+0x234/0x450
[  208.631166][ T6647]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  208.631190][ T6647]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  208.631214][ T6647]  gfs2_fill_super+0x13c0/0x20d0
[  208.631236][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.631255][ T6647]  ? sb_set_blocksize+0x104/0x180
[  208.631276][ T6647]  ? setup_bdev_super+0x4c1/0x5b0
[  208.631297][ T6647]  get_tree_bdev_flags+0x40e/0x4d0
[  208.631316][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.631334][ T6647]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  208.631356][ T6647]  gfs2_get_tree+0x51/0x1e0
[  208.631374][ T6647]  vfs_get_tree+0x92/0x2b0
[  208.631391][ T6647]  do_new_mount+0x2a2/0xa30
[  208.631413][ T6647]  ? ns_capable+0x8a/0xf0
[  208.631434][ T6647]  ? __pfx_do_new_mount+0x10/0x10
[  208.631453][ T6647]  ? path_mount+0x61c/0xfe0
[  208.631470][ T6647]  ? user_path_at+0x44/0x60
[  208.631489][ T6647]  __se_sys_mount+0x317/0x410
[  208.631511][ T6647]  ? __pfx___se_sys_mount+0x10/0x10
[  208.631532][ T6647]  ? rcu_is_watching+0x15/0xb0
[  208.631555][ T6647]  ? __x64_sys_mount+0x20/0xc0
[  208.631575][ T6647]  do_syscall_64+0xfa/0xfa0
[  208.631594][ T6647]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.631610][ T6647]  ? clear_bhb_loop+0x60/0xb0
[  208.631629][ T6647]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.631646][ T6647] RIP: 0033:0x7f788219038a
[  208.631663][ T6647] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.631679][ T6647] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.631699][ T6647] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  208.631711][ T6647] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  208.631724][ T6647] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  208.631735][ T6647] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  208.631746][ T6647] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  208.631765][ T6647]  </TASK>
[  208.631785][ T6647] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.948533][ T6647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.258210][ T6650] loop1: detected capacity change from 0 to 32768
[  209.269786][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.277819][ T6650] CPU: 1 UID: 0 PID: 6650 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  209.277844][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  209.277856][ T6650] Call Trace:
[  209.277871][ T6650]  <TASK>
[  209.277879][ T6650]  dump_stack_lvl+0x189/0x250
[  209.277906][ T6650]  ? __pfx_dump_stack_lvl+0x10/0x10
[  209.277925][ T6650]  ? __pfx__printk+0x10/0x10
[  209.277944][ T6650]  ? kernfs_root+0x1c/0x230
[  209.277962][ T6650]  ? kernfs_path_from_node+0x250/0x290
[  209.277976][ T6650]  ? kernfs_path_from_node+0x2f/0x290
[  209.278003][ T6650]  sysfs_create_dir_ns+0x259/0x280
[  209.278028][ T6650]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  209.278050][ T6650]  ? do_raw_spin_unlock+0x122/0x240
[  209.278075][ T6650]  kobject_add_internal+0x59f/0xb40
[  209.278101][ T6650]  kobject_init_and_add+0x125/0x190
[  209.278124][ T6650]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.278144][ T6650]  ? __raw_spin_lock_init+0x45/0x100
[  209.278161][ T6650]  ? __init_swait_queue_head+0xa9/0x150
[  209.278178][ T6650]  gfs2_sys_fs_add+0x234/0x450
[  209.278201][ T6650]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.278224][ T6650]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.278246][ T6650]  gfs2_fill_super+0x13c0/0x20d0
[  209.278270][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.278289][ T6650]  ? sb_set_blocksize+0x104/0x180
[  209.278317][ T6650]  ? setup_bdev_super+0x4c1/0x5b0
[  209.278338][ T6650]  get_tree_bdev_flags+0x40e/0x4d0
[  209.278355][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.278372][ T6650]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.278395][ T6650]  gfs2_get_tree+0x51/0x1e0
[  209.278413][ T6650]  vfs_get_tree+0x92/0x2b0
[  209.278431][ T6650]  do_new_mount+0x2a2/0xa30
[  209.278452][ T6650]  ? ns_capable+0x8a/0xf0
[  209.278475][ T6650]  ? __pfx_do_new_mount+0x10/0x10
[  209.278494][ T6650]  ? path_mount+0x61c/0xfe0
[  209.278512][ T6650]  ? user_path_at+0x44/0x60
[  209.278530][ T6650]  __se_sys_mount+0x317/0x410
[  209.278558][ T6650]  ? __pfx___se_sys_mount+0x10/0x10
[  209.278578][ T6650]  ? rcu_is_watching+0x15/0xb0
[  209.278600][ T6650]  ? __x64_sys_mount+0x20/0xc0
[  209.278619][ T6650]  do_syscall_64+0xfa/0xfa0
[  209.278639][ T6650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.278656][ T6650]  ? clear_bhb_loop+0x60/0xb0
[  209.278674][ T6650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.278690][ T6650] RIP: 0033:0x7f788219038a
[  209.278707][ T6650] 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
[  209.278722][ T6650] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.278742][ T6650] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  209.278755][ T6650] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  209.278768][ T6650] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  209.278784][ T6650] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  209.278794][ T6650] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  209.278812][ T6650]  </TASK>
[  209.278833][ T6650] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.597531][ T6650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.906919][ T6653] loop1: detected capacity change from 0 to 32768
[  209.929324][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.936895][ T6653] CPU: 1 UID: 0 PID: 6653 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  209.936919][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  209.936930][ T6653] Call Trace:
[  209.936938][ T6653]  <TASK>
[  209.936946][ T6653]  dump_stack_lvl+0x189/0x250
[  209.936974][ T6653]  ? __pfx_dump_stack_lvl+0x10/0x10
[  209.936993][ T6653]  ? __pfx__printk+0x10/0x10
[  209.937012][ T6653]  ? kernfs_root+0x1c/0x230
[  209.937028][ T6653]  ? kernfs_path_from_node+0x250/0x290
[  209.937041][ T6653]  ? kernfs_path_from_node+0x2f/0x290
[  209.937055][ T6653]  sysfs_create_dir_ns+0x259/0x280
[  209.937077][ T6653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  209.937098][ T6653]  ? do_raw_spin_unlock+0x122/0x240
[  209.937119][ T6653]  kobject_add_internal+0x59f/0xb40
[  209.937144][ T6653]  kobject_init_and_add+0x125/0x190
[  209.937166][ T6653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.937185][ T6653]  ? __raw_spin_lock_init+0x45/0x100
[  209.937201][ T6653]  ? __init_swait_queue_head+0xa9/0x150
[  209.937220][ T6653]  gfs2_sys_fs_add+0x234/0x450
[  209.937244][ T6653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.937269][ T6653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.937293][ T6653]  gfs2_fill_super+0x13c0/0x20d0
[  209.937316][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.937334][ T6653]  ? sb_set_blocksize+0x104/0x180
[  209.937356][ T6653]  ? setup_bdev_super+0x4c1/0x5b0
[  209.937378][ T6653]  get_tree_bdev_flags+0x40e/0x4d0
[  209.937397][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.937414][ T6653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.937436][ T6653]  gfs2_get_tree+0x51/0x1e0
[  209.937455][ T6653]  vfs_get_tree+0x92/0x2b0
[  209.937474][ T6653]  do_new_mount+0x2a2/0xa30
[  209.937496][ T6653]  ? ns_capable+0x8a/0xf0
[  209.937518][ T6653]  ? __pfx_do_new_mount+0x10/0x10
[  209.937537][ T6653]  ? path_mount+0x61c/0xfe0
[  209.937554][ T6653]  ? user_path_at+0x44/0x60
[  209.937573][ T6653]  __se_sys_mount+0x317/0x410
[  209.937608][ T6653]  ? __pfx___se_sys_mount+0x10/0x10
[  209.937630][ T6653]  ? rcu_is_watching+0x15/0xb0
[  209.937652][ T6653]  ? __x64_sys_mount+0x20/0xc0
[  209.937672][ T6653]  do_syscall_64+0xfa/0xfa0
[  209.937692][ T6653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.937710][ T6653]  ? clear_bhb_loop+0x60/0xb0
[  209.937728][ T6653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.937745][ T6653] RIP: 0033:0x7f788219038a
[  209.937762][ T6653] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  209.937777][ T6653] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.937797][ T6653] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  209.937811][ T6653] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  209.937824][ T6653] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  209.937836][ T6653] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  209.937847][ T6653] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  209.937867][ T6653]  </TASK>
[  209.937886][ T6653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.256804][ T6653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.562905][ T6656] loop1: detected capacity change from 0 to 32768
[  210.584946][ T6656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.592378][ T6656] CPU: 1 UID: 0 PID: 6656 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  210.592404][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.592416][ T6656] Call Trace:
[  210.592424][ T6656]  <TASK>
[  210.592431][ T6656]  dump_stack_lvl+0x189/0x250
[  210.592458][ T6656]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.592476][ T6656]  ? __pfx__printk+0x10/0x10
[  210.592495][ T6656]  ? kernfs_root+0x1c/0x230
[  210.592512][ T6656]  ? kernfs_path_from_node+0x250/0x290
[  210.592527][ T6656]  ? kernfs_path_from_node+0x2f/0x290
[  210.592542][ T6656]  sysfs_create_dir_ns+0x259/0x280
[  210.592568][ T6656]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.592599][ T6656]  ? do_raw_spin_unlock+0x122/0x240
[  210.592619][ T6656]  kobject_add_internal+0x59f/0xb40
[  210.592644][ T6656]  kobject_init_and_add+0x125/0x190
[  210.592665][ T6656]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.592685][ T6656]  ? __raw_spin_lock_init+0x45/0x100
[  210.592702][ T6656]  ? __init_swait_queue_head+0xa9/0x150
[  210.592720][ T6656]  gfs2_sys_fs_add+0x234/0x450
[  210.592744][ T6656]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.592768][ T6656]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.592791][ T6656]  gfs2_fill_super+0x13c0/0x20d0
[  210.592815][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.592834][ T6656]  ? sb_set_blocksize+0x104/0x180
[  210.592853][ T6656]  ? setup_bdev_super+0x4c1/0x5b0
[  210.592874][ T6656]  get_tree_bdev_flags+0x40e/0x4d0
[  210.592892][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.592910][ T6656]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.592933][ T6656]  gfs2_get_tree+0x51/0x1e0
[  210.592952][ T6656]  vfs_get_tree+0x92/0x2b0
[  210.592971][ T6656]  do_new_mount+0x2a2/0xa30
[  210.592993][ T6656]  ? ns_capable+0x8a/0xf0
[  210.593017][ T6656]  ? __pfx_do_new_mount+0x10/0x10
[  210.593035][ T6656]  ? path_mount+0x61c/0xfe0
[  210.593053][ T6656]  ? user_path_at+0x44/0x60
[  210.593073][ T6656]  __se_sys_mount+0x317/0x410
[  210.593095][ T6656]  ? __pfx___se_sys_mount+0x10/0x10
[  210.593116][ T6656]  ? rcu_is_watching+0x15/0xb0
[  210.593136][ T6656]  ? __x64_sys_mount+0x20/0xc0
[  210.593156][ T6656]  do_syscall_64+0xfa/0xfa0
[  210.593176][ T6656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.593192][ T6656]  ? clear_bhb_loop+0x60/0xb0
[  210.593210][ T6656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.593226][ T6656] RIP: 0033:0x7f788219038a
[  210.593244][ T6656] 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
[  210.593260][ T6656] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.593279][ T6656] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  210.593291][ T6656] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  210.593303][ T6656] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  210.593314][ T6656] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  210.593325][ T6656] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  210.593345][ T6656]  </TASK>
[  210.593365][ T6656] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.910282][ T6656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.227506][ T6659] loop1: detected capacity change from 0 to 32768
[  211.239885][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.247734][ T6659] CPU: 1 UID: 0 PID: 6659 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  211.247758][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.247769][ T6659] Call Trace:
[  211.247778][ T6659]  <TASK>
[  211.247785][ T6659]  dump_stack_lvl+0x189/0x250
[  211.247811][ T6659]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.247830][ T6659]  ? __pfx__printk+0x10/0x10
[  211.247849][ T6659]  ? kernfs_root+0x1c/0x230
[  211.247868][ T6659]  ? kernfs_path_from_node+0x250/0x290
[  211.247884][ T6659]  ? kernfs_path_from_node+0x2f/0x290
[  211.247900][ T6659]  sysfs_create_dir_ns+0x259/0x280
[  211.247924][ T6659]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.247945][ T6659]  ? do_raw_spin_unlock+0x122/0x240
[  211.247965][ T6659]  kobject_add_internal+0x59f/0xb40
[  211.247989][ T6659]  kobject_init_and_add+0x125/0x190
[  211.248009][ T6659]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.248028][ T6659]  ? __raw_spin_lock_init+0x45/0x100
[  211.248044][ T6659]  ? __init_swait_queue_head+0xa9/0x150
[  211.248062][ T6659]  gfs2_sys_fs_add+0x234/0x450
[  211.248085][ T6659]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.248108][ T6659]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.248132][ T6659]  gfs2_fill_super+0x13c0/0x20d0
[  211.248156][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.248174][ T6659]  ? sb_set_blocksize+0x104/0x180
[  211.248194][ T6659]  ? setup_bdev_super+0x4c1/0x5b0
[  211.248215][ T6659]  get_tree_bdev_flags+0x40e/0x4d0
[  211.248234][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.248251][ T6659]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.248275][ T6659]  gfs2_get_tree+0x51/0x1e0
[  211.248292][ T6659]  vfs_get_tree+0x92/0x2b0
[  211.248309][ T6659]  do_new_mount+0x2a2/0xa30
[  211.248330][ T6659]  ? ns_capable+0x8a/0xf0
[  211.248352][ T6659]  ? __pfx_do_new_mount+0x10/0x10
[  211.248370][ T6659]  ? path_mount+0x61c/0xfe0
[  211.248387][ T6659]  ? user_path_at+0x44/0x60
[  211.248406][ T6659]  __se_sys_mount+0x317/0x410
[  211.248428][ T6659]  ? __pfx___se_sys_mount+0x10/0x10
[  211.248449][ T6659]  ? rcu_is_watching+0x15/0xb0
[  211.248469][ T6659]  ? __x64_sys_mount+0x20/0xc0
[  211.248499][ T6659]  do_syscall_64+0xfa/0xfa0
[  211.248519][ T6659]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.248534][ T6659]  ? clear_bhb_loop+0x60/0xb0
[  211.248552][ T6659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.248568][ T6659] RIP: 0033:0x7f788219038a
[  211.248585][ T6659] 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
[  211.248601][ T6659] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.248621][ T6659] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  211.248635][ T6659] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  211.248646][ T6659] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  211.248658][ T6659] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  211.248670][ T6659] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  211.248688][ T6659]  </TASK>
[  211.248707][ T6659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.564628][ T6659] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:31:10 executed programs: 195
[  211.878707][ T6662] loop1: detected capacity change from 0 to 32768
[  211.899931][ T6662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.914394][ T6662] CPU: 1 UID: 0 PID: 6662 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  211.914419][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.914430][ T6662] Call Trace:
[  211.914438][ T6662]  <TASK>
[  211.914446][ T6662]  dump_stack_lvl+0x189/0x250
[  211.914481][ T6662]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.914501][ T6662]  ? __pfx__printk+0x10/0x10
[  211.914521][ T6662]  ? kernfs_root+0x1c/0x230
[  211.914538][ T6662]  ? kernfs_path_from_node+0x250/0x290
[  211.914553][ T6662]  ? kernfs_path_from_node+0x2f/0x290
[  211.914569][ T6662]  sysfs_create_dir_ns+0x259/0x280
[  211.914593][ T6662]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.914615][ T6662]  ? do_raw_spin_unlock+0x122/0x240
[  211.914635][ T6662]  kobject_add_internal+0x59f/0xb40
[  211.914661][ T6662]  kobject_init_and_add+0x125/0x190
[  211.914682][ T6662]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.914702][ T6662]  ? __raw_spin_lock_init+0x45/0x100
[  211.914719][ T6662]  ? __init_swait_queue_head+0xa9/0x150
[  211.914737][ T6662]  gfs2_sys_fs_add+0x234/0x450
[  211.914761][ T6662]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.914784][ T6662]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.914808][ T6662]  gfs2_fill_super+0x13c0/0x20d0
[  211.914829][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.914847][ T6662]  ? sb_set_blocksize+0x104/0x180
[  211.914868][ T6662]  ? setup_bdev_super+0x4c1/0x5b0
[  211.914890][ T6662]  get_tree_bdev_flags+0x40e/0x4d0
[  211.914908][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.914925][ T6662]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.914948][ T6662]  gfs2_get_tree+0x51/0x1e0
[  211.914967][ T6662]  vfs_get_tree+0x92/0x2b0
[  211.914986][ T6662]  do_new_mount+0x2a2/0xa30
[  211.915008][ T6662]  ? ns_capable+0x8a/0xf0
[  211.915031][ T6662]  ? __pfx_do_new_mount+0x10/0x10
[  211.915050][ T6662]  ? path_mount+0x61c/0xfe0
[  211.915067][ T6662]  ? user_path_at+0x44/0x60
[  211.915087][ T6662]  __se_sys_mount+0x317/0x410
[  211.915109][ T6662]  ? __pfx___se_sys_mount+0x10/0x10
[  211.915136][ T6662]  ? rcu_is_watching+0x15/0xb0
[  211.915159][ T6662]  ? __x64_sys_mount+0x20/0xc0
[  211.915178][ T6662]  do_syscall_64+0xfa/0xfa0
[  211.915199][ T6662]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.915216][ T6662]  ? clear_bhb_loop+0x60/0xb0
[  211.915236][ T6662]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.915253][ T6662] RIP: 0033:0x7f788219038a
[  211.915270][ T6662] 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
[  211.915286][ T6662] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.915307][ T6662] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  211.915320][ T6662] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  211.915333][ T6662] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  211.915346][ T6662] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  211.915357][ T6662] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  211.915377][ T6662]  </TASK>
[  211.915398][ T6662] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.231844][ T6662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.285064][   T51] Bluetooth: hci1: command 0x0406 tx timeout
[  212.547687][ T6665] loop1: detected capacity change from 0 to 32768
[  212.560101][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.567645][ T6665] CPU: 1 UID: 0 PID: 6665 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  212.567671][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.567682][ T6665] Call Trace:
[  212.567690][ T6665]  <TASK>
[  212.567698][ T6665]  dump_stack_lvl+0x189/0x250
[  212.567727][ T6665]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.567746][ T6665]  ? __pfx__printk+0x10/0x10
[  212.567765][ T6665]  ? kernfs_root+0x1c/0x230
[  212.567783][ T6665]  ? kernfs_path_from_node+0x250/0x290
[  212.567797][ T6665]  ? kernfs_path_from_node+0x2f/0x290
[  212.567813][ T6665]  sysfs_create_dir_ns+0x259/0x280
[  212.567837][ T6665]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.567858][ T6665]  ? do_raw_spin_unlock+0x122/0x240
[  212.567878][ T6665]  kobject_add_internal+0x59f/0xb40
[  212.567903][ T6665]  kobject_init_and_add+0x125/0x190
[  212.567924][ T6665]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.567944][ T6665]  ? __raw_spin_lock_init+0x45/0x100
[  212.567960][ T6665]  ? __init_swait_queue_head+0xa9/0x150
[  212.567978][ T6665]  gfs2_sys_fs_add+0x234/0x450
[  212.568002][ T6665]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.568023][ T6665]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.568047][ T6665]  gfs2_fill_super+0x13c0/0x20d0
[  212.568071][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.568090][ T6665]  ? sb_set_blocksize+0x104/0x180
[  212.568113][ T6665]  ? setup_bdev_super+0x4c1/0x5b0
[  212.568133][ T6665]  get_tree_bdev_flags+0x40e/0x4d0
[  212.568151][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.568169][ T6665]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.568191][ T6665]  gfs2_get_tree+0x51/0x1e0
[  212.568210][ T6665]  vfs_get_tree+0x92/0x2b0
[  212.568229][ T6665]  do_new_mount+0x2a2/0xa30
[  212.568250][ T6665]  ? ns_capable+0x8a/0xf0
[  212.568272][ T6665]  ? __pfx_do_new_mount+0x10/0x10
[  212.568291][ T6665]  ? path_mount+0x61c/0xfe0
[  212.568309][ T6665]  ? user_path_at+0x44/0x60
[  212.568329][ T6665]  __se_sys_mount+0x317/0x410
[  212.568351][ T6665]  ? __pfx___se_sys_mount+0x10/0x10
[  212.568372][ T6665]  ? rcu_is_watching+0x15/0xb0
[  212.568391][ T6665]  ? __x64_sys_mount+0x20/0xc0
[  212.568411][ T6665]  do_syscall_64+0xfa/0xfa0
[  212.568429][ T6665]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.568443][ T6665]  ? clear_bhb_loop+0x60/0xb0
[  212.568460][ T6665]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.568473][ T6665] RIP: 0033:0x7f788219038a
[  212.568489][ T6665] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  212.568503][ T6665] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.568524][ T6665] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  212.568537][ T6665] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  212.568548][ T6665] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  212.568560][ T6665] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  212.568571][ T6665] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  212.568590][ T6665]  </TASK>
[  212.568611][ T6665] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.883544][ T6665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.179882][ T6668] loop1: detected capacity change from 0 to 32768
[  213.190861][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.198856][ T6668] CPU: 0 UID: 0 PID: 6668 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  213.198879][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.198889][ T6668] Call Trace:
[  213.198897][ T6668]  <TASK>
[  213.198905][ T6668]  dump_stack_lvl+0x189/0x250
[  213.198932][ T6668]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.198952][ T6668]  ? __pfx__printk+0x10/0x10
[  213.198972][ T6668]  ? kernfs_root+0x1c/0x230
[  213.198990][ T6668]  ? kernfs_path_from_node+0x250/0x290
[  213.199003][ T6668]  ? kernfs_path_from_node+0x2f/0x290
[  213.199020][ T6668]  sysfs_create_dir_ns+0x259/0x280
[  213.199043][ T6668]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.199065][ T6668]  ? do_raw_spin_unlock+0x122/0x240
[  213.199085][ T6668]  kobject_add_internal+0x59f/0xb40
[  213.199110][ T6668]  kobject_init_and_add+0x125/0x190
[  213.199132][ T6668]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.199151][ T6668]  ? __raw_spin_lock_init+0x45/0x100
[  213.199168][ T6668]  ? __init_swait_queue_head+0xa9/0x150
[  213.199186][ T6668]  gfs2_sys_fs_add+0x234/0x450
[  213.199211][ T6668]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.199232][ T6668]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.199256][ T6668]  gfs2_fill_super+0x13c0/0x20d0
[  213.199281][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.199300][ T6668]  ? sb_set_blocksize+0x104/0x180
[  213.199322][ T6668]  ? setup_bdev_super+0x4c1/0x5b0
[  213.199343][ T6668]  get_tree_bdev_flags+0x40e/0x4d0
[  213.199361][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.199378][ T6668]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.199399][ T6668]  gfs2_get_tree+0x51/0x1e0
[  213.199418][ T6668]  vfs_get_tree+0x92/0x2b0
[  213.199436][ T6668]  do_new_mount+0x2a2/0xa30
[  213.199457][ T6668]  ? ns_capable+0x8a/0xf0
[  213.199488][ T6668]  ? __pfx_do_new_mount+0x10/0x10
[  213.199507][ T6668]  ? path_mount+0x61c/0xfe0
[  213.199524][ T6668]  ? user_path_at+0x44/0x60
[  213.199542][ T6668]  __se_sys_mount+0x317/0x410
[  213.199564][ T6668]  ? __pfx___se_sys_mount+0x10/0x10
[  213.199585][ T6668]  ? rcu_is_watching+0x15/0xb0
[  213.199609][ T6668]  ? __x64_sys_mount+0x20/0xc0
[  213.199629][ T6668]  do_syscall_64+0xfa/0xfa0
[  213.199649][ T6668]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.199665][ T6668]  ? clear_bhb_loop+0x60/0xb0
[  213.199683][ T6668]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.199698][ T6668] RIP: 0033:0x7f788219038a
[  213.199713][ 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
[  213.199729][ T6668] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.199748][ T6668] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  213.199761][ T6668] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  213.199774][ T6668] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  213.199785][ T6668] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.199796][ T6668] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  213.199816][ T6668]  </TASK>
[  213.199835][ 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.
[  213.513606][ T6668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.809981][ T6671] loop1: detected capacity change from 0 to 32768
[  213.820768][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.828423][ T6671] CPU: 0 UID: 0 PID: 6671 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  213.828445][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.828455][ T6671] Call Trace:
[  213.828462][ T6671]  <TASK>
[  213.828469][ T6671]  dump_stack_lvl+0x189/0x250
[  213.828493][ T6671]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.828512][ T6671]  ? __pfx__printk+0x10/0x10
[  213.828531][ T6671]  ? kernfs_root+0x1c/0x230
[  213.828548][ T6671]  ? kernfs_path_from_node+0x250/0x290
[  213.828562][ T6671]  ? kernfs_path_from_node+0x2f/0x290
[  213.828578][ T6671]  sysfs_create_dir_ns+0x259/0x280
[  213.828601][ T6671]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.828623][ T6671]  ? do_raw_spin_unlock+0x122/0x240
[  213.828642][ T6671]  kobject_add_internal+0x59f/0xb40
[  213.828666][ T6671]  kobject_init_and_add+0x125/0x190
[  213.828688][ T6671]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.828708][ T6671]  ? __raw_spin_lock_init+0x45/0x100
[  213.828724][ T6671]  ? __init_swait_queue_head+0xa9/0x150
[  213.828741][ T6671]  gfs2_sys_fs_add+0x234/0x450
[  213.828764][ T6671]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.828786][ T6671]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.828809][ T6671]  gfs2_fill_super+0x13c0/0x20d0
[  213.828832][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.828850][ T6671]  ? sb_set_blocksize+0x104/0x180
[  213.828872][ T6671]  ? setup_bdev_super+0x4c1/0x5b0
[  213.828891][ T6671]  get_tree_bdev_flags+0x40e/0x4d0
[  213.828909][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.828927][ T6671]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.828949][ T6671]  gfs2_get_tree+0x51/0x1e0
[  213.828967][ T6671]  vfs_get_tree+0x92/0x2b0
[  213.828985][ T6671]  do_new_mount+0x2a2/0xa30
[  213.829004][ T6671]  ? ns_capable+0x8a/0xf0
[  213.829023][ T6671]  ? __pfx_do_new_mount+0x10/0x10
[  213.829039][ T6671]  ? path_mount+0x61c/0xfe0
[  213.829056][ T6671]  ? user_path_at+0x44/0x60
[  213.829074][ T6671]  __se_sys_mount+0x317/0x410
[  213.829098][ T6671]  ? __pfx___se_sys_mount+0x10/0x10
[  213.829119][ T6671]  ? rcu_is_watching+0x15/0xb0
[  213.829139][ T6671]  ? __x64_sys_mount+0x20/0xc0
[  213.829158][ T6671]  do_syscall_64+0xfa/0xfa0
[  213.829189][ T6671]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.829205][ T6671]  ? clear_bhb_loop+0x60/0xb0
[  213.829222][ T6671]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.829238][ T6671] RIP: 0033:0x7f788219038a
[  213.829254][ 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
[  213.829269][ T6671] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.829288][ T6671] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  213.829301][ T6671] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  213.829313][ T6671] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  213.829325][ T6671] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.829337][ T6671] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  213.829357][ T6671]  </TASK>
[  213.829376][ 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.
[  214.145209][ T6671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.438024][ T6674] loop1: detected capacity change from 0 to 32768
[  214.446668][ T6674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.460842][ T6674] CPU: 0 UID: 0 PID: 6674 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  214.460865][ T6674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.460876][ T6674] Call Trace:
[  214.460882][ T6674]  <TASK>
[  214.460890][ T6674]  dump_stack_lvl+0x189/0x250
[  214.460915][ T6674]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.460934][ T6674]  ? __pfx__printk+0x10/0x10
[  214.460952][ T6674]  ? kernfs_root+0x1c/0x230
[  214.460969][ T6674]  ? kernfs_path_from_node+0x250/0x290
[  214.460982][ T6674]  ? kernfs_path_from_node+0x2f/0x290
[  214.460996][ T6674]  sysfs_create_dir_ns+0x259/0x280
[  214.461019][ T6674]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.461043][ T6674]  ? do_raw_spin_unlock+0x122/0x240
[  214.461062][ T6674]  kobject_add_internal+0x59f/0xb40
[  214.461085][ T6674]  kobject_init_and_add+0x125/0x190
[  214.461106][ T6674]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.461125][ T6674]  ? __raw_spin_lock_init+0x45/0x100
[  214.461151][ T6674]  ? __init_swait_queue_head+0xa9/0x150
[  214.461168][ T6674]  gfs2_sys_fs_add+0x234/0x450
[  214.461188][ T6674]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.461209][ T6674]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.461231][ T6674]  gfs2_fill_super+0x13c0/0x20d0
[  214.461254][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.461273][ T6674]  ? sb_set_blocksize+0x104/0x180
[  214.461294][ T6674]  ? setup_bdev_super+0x4c1/0x5b0
[  214.461314][ T6674]  get_tree_bdev_flags+0x40e/0x4d0
[  214.461332][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.461349][ T6674]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.461371][ T6674]  gfs2_get_tree+0x51/0x1e0
[  214.461390][ T6674]  vfs_get_tree+0x92/0x2b0
[  214.461406][ T6674]  do_new_mount+0x2a2/0xa30
[  214.461426][ T6674]  ? ns_capable+0x8a/0xf0
[  214.461447][ T6674]  ? __pfx_do_new_mount+0x10/0x10
[  214.461466][ T6674]  ? path_mount+0x61c/0xfe0
[  214.461484][ T6674]  ? user_path_at+0x44/0x60
[  214.461504][ T6674]  __se_sys_mount+0x317/0x410
[  214.461535][ T6674]  ? __pfx___se_sys_mount+0x10/0x10
[  214.461555][ T6674]  ? rcu_is_watching+0x15/0xb0
[  214.461576][ T6674]  ? __x64_sys_mount+0x20/0xc0
[  214.461595][ T6674]  do_syscall_64+0xfa/0xfa0
[  214.461614][ T6674]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.461630][ T6674]  ? clear_bhb_loop+0x60/0xb0
[  214.461647][ T6674]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.461664][ T6674] RIP: 0033:0x7f788219038a
[  214.461680][ T6674] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.461695][ T6674] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.461714][ T6674] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  214.461727][ T6674] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  214.461740][ T6674] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  214.461752][ T6674] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  214.461763][ T6674] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  214.461781][ T6674]  </TASK>
[  214.461804][ T6674] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.776458][ T6674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.073438][ T6677] loop1: detected capacity change from 0 to 32768
[  215.090173][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.097765][ T6677] CPU: 1 UID: 0 PID: 6677 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  215.097794][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.097806][ T6677] Call Trace:
[  215.097815][ T6677]  <TASK>
[  215.097822][ T6677]  dump_stack_lvl+0x189/0x250
[  215.097850][ T6677]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.097869][ T6677]  ? __pfx__printk+0x10/0x10
[  215.097888][ T6677]  ? kernfs_root+0x1c/0x230
[  215.097906][ T6677]  ? kernfs_path_from_node+0x250/0x290
[  215.097921][ T6677]  ? kernfs_path_from_node+0x2f/0x290
[  215.097936][ T6677]  sysfs_create_dir_ns+0x259/0x280
[  215.097960][ T6677]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.097983][ T6677]  ? do_raw_spin_unlock+0x122/0x240
[  215.098004][ T6677]  kobject_add_internal+0x59f/0xb40
[  215.098030][ T6677]  kobject_init_and_add+0x125/0x190
[  215.098050][ T6677]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.098069][ T6677]  ? __raw_spin_lock_init+0x45/0x100
[  215.098085][ T6677]  ? __init_swait_queue_head+0xa9/0x150
[  215.098101][ T6677]  gfs2_sys_fs_add+0x234/0x450
[  215.098122][ T6677]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.098144][ T6677]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.098178][ T6677]  gfs2_fill_super+0x13c0/0x20d0
[  215.098202][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.098220][ T6677]  ? sb_set_blocksize+0x104/0x180
[  215.098242][ T6677]  ? setup_bdev_super+0x4c1/0x5b0
[  215.098262][ T6677]  get_tree_bdev_flags+0x40e/0x4d0
[  215.098280][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.098297][ T6677]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.098320][ T6677]  gfs2_get_tree+0x51/0x1e0
[  215.098337][ T6677]  vfs_get_tree+0x92/0x2b0
[  215.098356][ T6677]  do_new_mount+0x2a2/0xa30
[  215.098377][ T6677]  ? ns_capable+0x8a/0xf0
[  215.098400][ T6677]  ? __pfx_do_new_mount+0x10/0x10
[  215.098417][ T6677]  ? path_mount+0x61c/0xfe0
[  215.098435][ T6677]  ? user_path_at+0x44/0x60
[  215.098455][ T6677]  __se_sys_mount+0x317/0x410
[  215.098477][ T6677]  ? __pfx___se_sys_mount+0x10/0x10
[  215.098497][ T6677]  ? rcu_is_watching+0x15/0xb0
[  215.098518][ T6677]  ? __x64_sys_mount+0x20/0xc0
[  215.098537][ T6677]  do_syscall_64+0xfa/0xfa0
[  215.098557][ T6677]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.098573][ T6677]  ? clear_bhb_loop+0x60/0xb0
[  215.098590][ T6677]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.098606][ T6677] RIP: 0033:0x7f788219038a
[  215.098623][ 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
[  215.098638][ T6677] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.098659][ T6677] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  215.098672][ T6677] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  215.098684][ T6677] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  215.098695][ T6677] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.098707][ T6677] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  215.098726][ T6677]  </TASK>
[  215.098747][ 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.
[  215.417039][ T6677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.729025][ T6680] loop1: detected capacity change from 0 to 32768
[  215.742525][ T6680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.750824][ T6680] CPU: 1 UID: 0 PID: 6680 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  215.750849][ T6680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.750861][ T6680] Call Trace:
[  215.750869][ T6680]  <TASK>
[  215.750877][ T6680]  dump_stack_lvl+0x189/0x250
[  215.750903][ T6680]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.750921][ T6680]  ? __pfx__printk+0x10/0x10
[  215.750939][ T6680]  ? kernfs_root+0x1c/0x230
[  215.750956][ T6680]  ? kernfs_path_from_node+0x250/0x290
[  215.750971][ T6680]  ? kernfs_path_from_node+0x2f/0x290
[  215.750987][ T6680]  sysfs_create_dir_ns+0x259/0x280
[  215.751010][ T6680]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.751031][ T6680]  ? do_raw_spin_unlock+0x122/0x240
[  215.751049][ T6680]  kobject_add_internal+0x59f/0xb40
[  215.751075][ T6680]  kobject_init_and_add+0x125/0x190
[  215.751097][ T6680]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.751117][ T6680]  ? __raw_spin_lock_init+0x45/0x100
[  215.751132][ T6680]  ? __init_swait_queue_head+0xa9/0x150
[  215.751149][ T6680]  gfs2_sys_fs_add+0x234/0x450
[  215.751172][ T6680]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.751195][ T6680]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.751230][ T6680]  gfs2_fill_super+0x13c0/0x20d0
[  215.751253][ T6680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.751272][ T6680]  ? sb_set_blocksize+0x104/0x180
[  215.751294][ T6680]  ? setup_bdev_super+0x4c1/0x5b0
[  215.751315][ T6680]  get_tree_bdev_flags+0x40e/0x4d0
[  215.751334][ T6680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.751351][ T6680]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.751373][ T6680]  gfs2_get_tree+0x51/0x1e0
[  215.751390][ T6680]  vfs_get_tree+0x92/0x2b0
[  215.751408][ T6680]  do_new_mount+0x2a2/0xa30
[  215.751430][ T6680]  ? ns_capable+0x8a/0xf0
[  215.751453][ T6680]  ? __pfx_do_new_mount+0x10/0x10
[  215.751470][ T6680]  ? path_mount+0x61c/0xfe0
[  215.751485][ T6680]  ? user_path_at+0x44/0x60
[  215.751504][ T6680]  __se_sys_mount+0x317/0x410
[  215.751526][ T6680]  ? __pfx___se_sys_mount+0x10/0x10
[  215.751548][ T6680]  ? rcu_is_watching+0x15/0xb0
[  215.751569][ T6680]  ? __x64_sys_mount+0x20/0xc0
[  215.751588][ T6680]  do_syscall_64+0xfa/0xfa0
[  215.751607][ T6680]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.751623][ T6680]  ? clear_bhb_loop+0x60/0xb0
[  215.751638][ T6680]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.751654][ T6680] RIP: 0033:0x7f788219038a
[  215.751669][ 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
[  215.751683][ T6680] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.751700][ T6680] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  215.751711][ T6680] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  215.751722][ T6680] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  215.751733][ T6680] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.751743][ T6680] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  215.751762][ T6680]  </TASK>
[  215.751789][ 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.
[  216.069976][ T6680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.385595][ T6683] loop1: detected capacity change from 0 to 32768
[  216.397859][ T6683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.406787][ T6683] CPU: 1 UID: 0 PID: 6683 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  216.406813][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.406824][ T6683] Call Trace:
[  216.406832][ T6683]  <TASK>
[  216.406840][ T6683]  dump_stack_lvl+0x189/0x250
[  216.406868][ T6683]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.406886][ T6683]  ? __pfx__printk+0x10/0x10
[  216.406905][ T6683]  ? kernfs_root+0x1c/0x230
[  216.406923][ T6683]  ? kernfs_path_from_node+0x250/0x290
[  216.406936][ T6683]  ? kernfs_path_from_node+0x2f/0x290
[  216.406951][ T6683]  sysfs_create_dir_ns+0x259/0x280
[  216.406975][ T6683]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.406997][ T6683]  ? do_raw_spin_unlock+0x122/0x240
[  216.407015][ T6683]  kobject_add_internal+0x59f/0xb40
[  216.407040][ T6683]  kobject_init_and_add+0x125/0x190
[  216.407062][ T6683]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.407081][ T6683]  ? __raw_spin_lock_init+0x45/0x100
[  216.407098][ T6683]  ? __init_swait_queue_head+0xa9/0x150
[  216.407115][ T6683]  gfs2_sys_fs_add+0x234/0x450
[  216.407137][ T6683]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.407160][ T6683]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.407183][ T6683]  gfs2_fill_super+0x13c0/0x20d0
[  216.407206][ T6683]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.407224][ T6683]  ? sb_set_blocksize+0x104/0x180
[  216.407247][ T6683]  ? setup_bdev_super+0x4c1/0x5b0
[  216.407268][ T6683]  get_tree_bdev_flags+0x40e/0x4d0
[  216.407286][ T6683]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.407304][ T6683]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.407325][ T6683]  gfs2_get_tree+0x51/0x1e0
[  216.407343][ T6683]  vfs_get_tree+0x92/0x2b0
[  216.407360][ T6683]  do_new_mount+0x2a2/0xa30
[  216.407381][ T6683]  ? ns_capable+0x8a/0xf0
[  216.407413][ T6683]  ? __pfx_do_new_mount+0x10/0x10
[  216.407431][ T6683]  ? path_mount+0x61c/0xfe0
[  216.407448][ T6683]  ? user_path_at+0x44/0x60
[  216.407466][ T6683]  __se_sys_mount+0x317/0x410
[  216.407488][ T6683]  ? __pfx___se_sys_mount+0x10/0x10
[  216.407509][ T6683]  ? rcu_is_watching+0x15/0xb0
[  216.407531][ T6683]  ? __x64_sys_mount+0x20/0xc0
[  216.407552][ T6683]  do_syscall_64+0xfa/0xfa0
[  216.407569][ T6683]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.407585][ T6683]  ? clear_bhb_loop+0x60/0xb0
[  216.407603][ T6683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.407620][ T6683] RIP: 0033:0x7f788219038a
[  216.407637][ T6683] 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
[  216.407654][ T6683] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.407674][ T6683] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  216.407687][ T6683] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  216.407699][ T6683] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  216.407711][ T6683] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  216.407722][ T6683] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  216.407740][ T6683]  </TASK>
[  216.407759][ T6683] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.723592][ T6683] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:31:15 executed programs: 203
[  217.039437][ T6686] loop1: detected capacity change from 0 to 32768
[  217.050366][ T6686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.058335][ T6686] CPU: 0 UID: 0 PID: 6686 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  217.058359][ T6686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.058370][ T6686] Call Trace:
[  217.058378][ T6686]  <TASK>
[  217.058386][ T6686]  dump_stack_lvl+0x189/0x250
[  217.058414][ T6686]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.058432][ T6686]  ? __pfx__printk+0x10/0x10
[  217.058451][ T6686]  ? kernfs_root+0x1c/0x230
[  217.058469][ T6686]  ? kernfs_path_from_node+0x250/0x290
[  217.058483][ T6686]  ? kernfs_path_from_node+0x2f/0x290
[  217.058498][ T6686]  sysfs_create_dir_ns+0x259/0x280
[  217.058522][ T6686]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.058543][ T6686]  ? do_raw_spin_unlock+0x122/0x240
[  217.058562][ T6686]  kobject_add_internal+0x59f/0xb40
[  217.058586][ T6686]  kobject_init_and_add+0x125/0x190
[  217.058603][ T6686]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.058619][ T6686]  ? __raw_spin_lock_init+0x45/0x100
[  217.058633][ T6686]  ? __init_swait_queue_head+0xa9/0x150
[  217.058647][ T6686]  gfs2_sys_fs_add+0x234/0x450
[  217.058667][ T6686]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.058686][ T6686]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.058706][ T6686]  gfs2_fill_super+0x13c0/0x20d0
[  217.058725][ T6686]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.058740][ T6686]  ? sb_set_blocksize+0x104/0x180
[  217.058759][ T6686]  ? setup_bdev_super+0x4c1/0x5b0
[  217.058775][ T6686]  get_tree_bdev_flags+0x40e/0x4d0
[  217.058790][ T6686]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.058804][ T6686]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.058822][ T6686]  gfs2_get_tree+0x51/0x1e0
[  217.058837][ T6686]  vfs_get_tree+0x92/0x2b0
[  217.058852][ T6686]  do_new_mount+0x2a2/0xa30
[  217.058870][ T6686]  ? ns_capable+0x8a/0xf0
[  217.058890][ T6686]  ? __pfx_do_new_mount+0x10/0x10
[  217.058905][ T6686]  ? path_mount+0x61c/0xfe0
[  217.058919][ T6686]  ? user_path_at+0x44/0x60
[  217.058934][ T6686]  __se_sys_mount+0x317/0x410
[  217.058953][ T6686]  ? __pfx___se_sys_mount+0x10/0x10
[  217.058970][ T6686]  ? rcu_is_watching+0x15/0xb0
[  217.058989][ T6686]  ? __x64_sys_mount+0x20/0xc0
[  217.059005][ T6686]  do_syscall_64+0xfa/0xfa0
[  217.059021][ T6686]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.059034][ T6686]  ? clear_bhb_loop+0x60/0xb0
[  217.059048][ T6686]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.059062][ T6686] RIP: 0033:0x7f788219038a
[  217.059077][ T6686] 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
[  217.059089][ T6686] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.059106][ T6686] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  217.059117][ T6686] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  217.059127][ T6686] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  217.059137][ T6686] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.059146][ T6686] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  217.059161][ T6686]  </TASK>
[  217.059288][ T6686] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.375109][ T6686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.685030][ T6689] loop1: detected capacity change from 0 to 32768
[  217.696020][ T6689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.703475][ T6689] CPU: 1 UID: 0 PID: 6689 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  217.703498][ T6689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.703508][ T6689] Call Trace:
[  217.703516][ T6689]  <TASK>
[  217.703522][ T6689]  dump_stack_lvl+0x189/0x250
[  217.703549][ T6689]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.703569][ T6689]  ? __pfx__printk+0x10/0x10
[  217.703587][ T6689]  ? kernfs_root+0x1c/0x230
[  217.703602][ T6689]  ? kernfs_path_from_node+0x250/0x290
[  217.703615][ T6689]  ? kernfs_path_from_node+0x2f/0x290
[  217.703629][ T6689]  sysfs_create_dir_ns+0x259/0x280
[  217.703650][ T6689]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.703669][ T6689]  ? do_raw_spin_unlock+0x122/0x240
[  217.703685][ T6689]  kobject_add_internal+0x59f/0xb40
[  217.703708][ T6689]  kobject_init_and_add+0x125/0x190
[  217.703727][ T6689]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.703742][ T6689]  ? __raw_spin_lock_init+0x45/0x100
[  217.703755][ T6689]  ? __init_swait_queue_head+0xa9/0x150
[  217.703770][ T6689]  gfs2_sys_fs_add+0x234/0x450
[  217.703798][ T6689]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.703817][ T6689]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.703837][ T6689]  gfs2_fill_super+0x13c0/0x20d0
[  217.703857][ T6689]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.703875][ T6689]  ? sb_set_blocksize+0x104/0x180
[  217.703895][ T6689]  ? setup_bdev_super+0x4c1/0x5b0
[  217.703914][ T6689]  get_tree_bdev_flags+0x40e/0x4d0
[  217.703931][ T6689]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.703948][ T6689]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.703968][ T6689]  gfs2_get_tree+0x51/0x1e0
[  217.703985][ T6689]  vfs_get_tree+0x92/0x2b0
[  217.704086][ T6689]  do_new_mount+0x2a2/0xa30
[  217.704108][ T6689]  ? ns_capable+0x8a/0xf0
[  217.704129][ T6689]  ? __pfx_do_new_mount+0x10/0x10
[  217.704146][ T6689]  ? path_mount+0x61c/0xfe0
[  217.704161][ T6689]  ? user_path_at+0x44/0x60
[  217.704179][ T6689]  __se_sys_mount+0x317/0x410
[  217.704200][ T6689]  ? __pfx___se_sys_mount+0x10/0x10
[  217.704231][ T6689]  ? rcu_is_watching+0x15/0xb0
[  217.704254][ T6689]  ? __x64_sys_mount+0x20/0xc0
[  217.704275][ T6689]  do_syscall_64+0xfa/0xfa0
[  217.704293][ T6689]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.704308][ T6689]  ? clear_bhb_loop+0x60/0xb0
[  217.704324][ T6689]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.704341][ T6689] RIP: 0033:0x7f788219038a
[  217.704357][ T6689] 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
[  217.704372][ T6689] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.704390][ T6689] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  217.704403][ T6689] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  217.704414][ T6689] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  217.704424][ T6689] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.704435][ T6689] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  217.704453][ T6689]  </TASK>
[  218.006315][ T6689] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.020483][ T6689] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.328428][ T6692] loop1: detected capacity change from 0 to 32768
[  218.341357][ T6692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.349006][ T6692] CPU: 1 UID: 0 PID: 6692 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  218.349032][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.349045][ T6692] Call Trace:
[  218.349052][ T6692]  <TASK>
[  218.349061][ T6692]  dump_stack_lvl+0x189/0x250
[  218.349089][ T6692]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.349107][ T6692]  ? __pfx__printk+0x10/0x10
[  218.349127][ T6692]  ? kernfs_root+0x1c/0x230
[  218.349146][ T6692]  ? kernfs_path_from_node+0x250/0x290
[  218.349160][ T6692]  ? kernfs_path_from_node+0x2f/0x290
[  218.349176][ T6692]  sysfs_create_dir_ns+0x259/0x280
[  218.349200][ T6692]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.349223][ T6692]  ? do_raw_spin_unlock+0x122/0x240
[  218.349243][ T6692]  kobject_add_internal+0x59f/0xb40
[  218.349267][ T6692]  kobject_init_and_add+0x125/0x190
[  218.349288][ T6692]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.349309][ T6692]  ? __raw_spin_lock_init+0x45/0x100
[  218.349326][ T6692]  ? __init_swait_queue_head+0xa9/0x150
[  218.349343][ T6692]  gfs2_sys_fs_add+0x234/0x450
[  218.349365][ T6692]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.349388][ T6692]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.349410][ T6692]  gfs2_fill_super+0x13c0/0x20d0
[  218.349434][ T6692]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.349452][ T6692]  ? sb_set_blocksize+0x104/0x180
[  218.349473][ T6692]  ? setup_bdev_super+0x4c1/0x5b0
[  218.349493][ T6692]  get_tree_bdev_flags+0x40e/0x4d0
[  218.349510][ T6692]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.349526][ T6692]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.349547][ T6692]  gfs2_get_tree+0x51/0x1e0
[  218.349566][ T6692]  vfs_get_tree+0x92/0x2b0
[  218.349584][ T6692]  do_new_mount+0x2a2/0xa30
[  218.349604][ T6692]  ? ns_capable+0x8a/0xf0
[  218.349625][ T6692]  ? __pfx_do_new_mount+0x10/0x10
[  218.349643][ T6692]  ? path_mount+0x61c/0xfe0
[  218.349661][ T6692]  ? user_path_at+0x44/0x60
[  218.349687][ T6692]  __se_sys_mount+0x317/0x410
[  218.349708][ T6692]  ? __pfx___se_sys_mount+0x10/0x10
[  218.349729][ T6692]  ? rcu_is_watching+0x15/0xb0
[  218.349750][ T6692]  ? __x64_sys_mount+0x20/0xc0
[  218.349768][ T6692]  do_syscall_64+0xfa/0xfa0
[  218.349787][ T6692]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.349803][ T6692]  ? clear_bhb_loop+0x60/0xb0
[  218.349820][ T6692]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.349837][ T6692] RIP: 0033:0x7f788219038a
[  218.349853][ T6692] 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
[  218.349868][ T6692] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.349888][ T6692] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  218.349900][ T6692] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  218.349923][ T6692] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  218.349935][ T6692] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  218.349947][ T6692] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  218.349966][ T6692]  </TASK>
[  218.349986][ T6692] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.666610][ T6692] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.975832][ T6695] loop1: detected capacity change from 0 to 32768
[  219.000794][ T6695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.008497][ T6695] CPU: 1 UID: 0 PID: 6695 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  219.008523][ T6695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.008534][ T6695] Call Trace:
[  219.008541][ T6695]  <TASK>
[  219.008549][ T6695]  dump_stack_lvl+0x189/0x250
[  219.008578][ T6695]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.008597][ T6695]  ? __pfx__printk+0x10/0x10
[  219.008617][ T6695]  ? kernfs_root+0x1c/0x230
[  219.008636][ T6695]  ? kernfs_path_from_node+0x250/0x290
[  219.008651][ T6695]  ? kernfs_path_from_node+0x2f/0x290
[  219.008666][ T6695]  sysfs_create_dir_ns+0x259/0x280
[  219.008691][ T6695]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.008713][ T6695]  ? do_raw_spin_unlock+0x122/0x240
[  219.008732][ T6695]  kobject_add_internal+0x59f/0xb40
[  219.008757][ T6695]  kobject_init_and_add+0x125/0x190
[  219.008779][ T6695]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.008798][ T6695]  ? __raw_spin_lock_init+0x45/0x100
[  219.008814][ T6695]  ? __init_swait_queue_head+0xa9/0x150
[  219.008831][ T6695]  gfs2_sys_fs_add+0x234/0x450
[  219.008855][ T6695]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.008890][ T6695]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.008915][ T6695]  gfs2_fill_super+0x13c0/0x20d0
[  219.008938][ T6695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.008957][ T6695]  ? sb_set_blocksize+0x104/0x180
[  219.008978][ T6695]  ? setup_bdev_super+0x4c1/0x5b0
[  219.009000][ T6695]  get_tree_bdev_flags+0x40e/0x4d0
[  219.009019][ T6695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.009036][ T6695]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.009060][ T6695]  gfs2_get_tree+0x51/0x1e0
[  219.009079][ T6695]  vfs_get_tree+0x92/0x2b0
[  219.009097][ T6695]  do_new_mount+0x2a2/0xa30
[  219.009118][ T6695]  ? ns_capable+0x8a/0xf0
[  219.009140][ T6695]  ? __pfx_do_new_mount+0x10/0x10
[  219.009159][ T6695]  ? path_mount+0x61c/0xfe0
[  219.009176][ T6695]  ? user_path_at+0x44/0x60
[  219.009195][ T6695]  __se_sys_mount+0x317/0x410
[  219.009217][ T6695]  ? __pfx___se_sys_mount+0x10/0x10
[  219.009237][ T6695]  ? rcu_is_watching+0x15/0xb0
[  219.009261][ T6695]  ? __x64_sys_mount+0x20/0xc0
[  219.009281][ T6695]  do_syscall_64+0xfa/0xfa0
[  219.009301][ T6695]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.009318][ T6695]  ? clear_bhb_loop+0x60/0xb0
[  219.009336][ T6695]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.009352][ T6695] RIP: 0033:0x7f788219038a
[  219.009368][ T6695] 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
[  219.009383][ T6695] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.009403][ T6695] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  219.009417][ T6695] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  219.009430][ T6695] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  219.009443][ T6695] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.009455][ T6695] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  219.009474][ T6695]  </TASK>
[  219.009572][ T6695] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.326141][ T6695] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.618508][ T6698] loop1: detected capacity change from 0 to 32768
[  219.632530][ T6698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.640088][ T6698] CPU: 1 UID: 0 PID: 6698 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  219.640112][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.640123][ T6698] Call Trace:
[  219.640130][ T6698]  <TASK>
[  219.640138][ T6698]  dump_stack_lvl+0x189/0x250
[  219.640162][ T6698]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.640180][ T6698]  ? __pfx__printk+0x10/0x10
[  219.640201][ T6698]  ? kernfs_root+0x1c/0x230
[  219.640220][ T6698]  ? kernfs_path_from_node+0x250/0x290
[  219.640234][ T6698]  ? kernfs_path_from_node+0x2f/0x290
[  219.640252][ T6698]  sysfs_create_dir_ns+0x259/0x280
[  219.640274][ T6698]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.640292][ T6698]  ? do_raw_spin_unlock+0x122/0x240
[  219.640310][ T6698]  kobject_add_internal+0x59f/0xb40
[  219.640332][ T6698]  kobject_init_and_add+0x125/0x190
[  219.640353][ T6698]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.640369][ T6698]  ? __raw_spin_lock_init+0x45/0x100
[  219.640386][ T6698]  ? __init_swait_queue_head+0xa9/0x150
[  219.640403][ T6698]  gfs2_sys_fs_add+0x234/0x450
[  219.640426][ T6698]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.640449][ T6698]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.640473][ T6698]  gfs2_fill_super+0x13c0/0x20d0
[  219.640496][ T6698]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.640513][ T6698]  ? sb_set_blocksize+0x104/0x180
[  219.640536][ T6698]  ? setup_bdev_super+0x4c1/0x5b0
[  219.640557][ T6698]  get_tree_bdev_flags+0x40e/0x4d0
[  219.640576][ T6698]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.640594][ T6698]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.640616][ T6698]  gfs2_get_tree+0x51/0x1e0
[  219.640633][ T6698]  vfs_get_tree+0x92/0x2b0
[  219.640652][ T6698]  do_new_mount+0x2a2/0xa30
[  219.640673][ T6698]  ? ns_capable+0x8a/0xf0
[  219.640695][ T6698]  ? __pfx_do_new_mount+0x10/0x10
[  219.640714][ T6698]  ? path_mount+0x61c/0xfe0
[  219.640743][ T6698]  ? user_path_at+0x44/0x60
[  219.640762][ T6698]  __se_sys_mount+0x317/0x410
[  219.640785][ T6698]  ? __pfx___se_sys_mount+0x10/0x10
[  219.640806][ T6698]  ? rcu_is_watching+0x15/0xb0
[  219.640829][ T6698]  ? __x64_sys_mount+0x20/0xc0
[  219.640849][ T6698]  do_syscall_64+0xfa/0xfa0
[  219.640868][ T6698]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.640886][ T6698]  ? clear_bhb_loop+0x60/0xb0
[  219.640903][ T6698]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.640920][ T6698] RIP: 0033:0x7f788219038a
[  219.640936][ T6698] 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
[  219.640950][ T6698] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.640968][ T6698] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  219.640981][ T6698] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  219.640993][ T6698] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  219.641006][ T6698] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.641018][ T6698] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  219.641038][ T6698]  </TASK>
[  219.641056][ T6698] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.956634][ T6698] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.246567][ T6701] loop1: detected capacity change from 0 to 32768
[  220.260373][ T6701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.268078][ T6701] CPU: 1 UID: 0 PID: 6701 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full) 
[  220.268102][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.268113][ T6701] Call Trace:
[  220.268120][ T6701]  <TASK>
[  220.268128][ T6701]  dump_stack_lvl+0x189/0x250
[  220.268151][ T6701]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.268170][ T6701]  ? __pfx__printk+0x10/0x10
[  220.268189][ T6701]  ? kernfs_root+0x1c/0x230
[  220.268207][ T6701]  ? kernfs_path_from_node+0x250/0x290
[  220.268222][ T6701]  ? kernfs_path_from_node+0x2f/0x290
[  220.268238][ T6701]  sysfs_create_dir_ns+0x259/0x280
[  220.268261][ T6701]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.268283][ T6701]  ? do_raw_spin_unlock+0x122/0x240
[  220.268300][ T6701]  kobject_add_internal+0x59f/0xb40
[  220.268322][ T6701]  kobject_init_and_add+0x125/0x190
[  220.268342][ T6701]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.268361][ T6701]  ? __raw_spin_lock_init+0x45/0x100
[  220.268378][ T6701]  ? __init_swait_queue_head+0xa9/0x150
[  220.268394][ T6701]  gfs2_sys_fs_add+0x234/0x450
[  220.268417][ T6701]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.268439][ T6701]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.268463][ T6701]  gfs2_fill_super+0x13c0/0x20d0
[  220.268486][ T6701]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.268503][ T6701]  ? sb_set_blocksize+0x104/0x180
[  220.268524][ T6701]  ? setup_bdev_super+0x4c1/0x5b0
[  220.268544][ T6701]  get_tree_bdev_flags+0x40e/0x4d0
[  220.268563][ T6701]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.268581][ T6701]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.268603][ T6701]  gfs2_get_tree+0x51/0x1e0
[  220.268621][ T6701]  vfs_get_tree+0x92/0x2b0
[  220.268639][ T6701]  do_new_mount+0x2a2/0xa30
[  220.268659][ T6701]  ? ns_capable+0x8a/0xf0
[  220.268678][ T6701]  ? __pfx_do_new_mount+0x10/0x10
[  220.268695][ T6701]  ? path_mount+0x61c/0xfe0
[  220.268712][ T6701]  ? user_path_at+0x44/0x60
[  220.268731][ T6701]  __se_sys_mount+0x317/0x410
[  220.268753][ T6701]  ? __pfx___se_sys_mount+0x10/0x10
[  220.268774][ T6701]  ? rcu_is_watching+0x15/0xb0
[  220.268794][ T6701]  ? __x64_sys_mount+0x20/0xc0
[  220.268814][ T6701]  do_syscall_64+0xfa/0xfa0
[  220.268833][ T6701]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.268850][ T6701]  ? clear_bhb_loop+0x60/0xb0
[  220.268866][ T6701]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.268882][ T6701] RIP: 0033:0x7f788219038a
[  220.268898][ T6701] 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
[  220.268913][ T6701] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.268942][ T6701] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  220.268956][ T6701] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  220.268968][ T6701] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  220.268979][ T6701] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.268990][ T6701] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  220.269009][ T6701]  </TASK>
[  220.269026][ T6701] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.582950][ T6701] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.874156][ T6704] loop1: detected capacity change from 0 to 32768
[  220.885697][ T6704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.893093][ T6704] CPU: 0 UID: 0 PID: 6704 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full) 
[  220.893115][ T6704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.893127][ T6704] Call Trace:
[  220.893134][ T6704]  <TASK>
[  220.893141][ T6704]  dump_stack_lvl+0x189/0x250
[  220.893166][ T6704]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.893185][ T6704]  ? __pfx__printk+0x10/0x10
[  220.893204][ T6704]  ? kernfs_root+0x1c/0x230
[  220.893222][ T6704]  ? kernfs_path_from_node+0x250/0x290
[  220.893236][ T6704]  ? kernfs_path_from_node+0x2f/0x290
[  220.893253][ T6704]  sysfs_create_dir_ns+0x259/0x280
[  220.893276][ T6704]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.893298][ T6704]  ? do_raw_spin_unlock+0x122/0x240
[  220.893317][ T6704]  kobject_add_internal+0x59f/0xb40
[  220.893341][ T6704]  kobject_init_and_add+0x125/0x190
[  220.893362][ T6704]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.893382][ T6704]  ? __raw_spin_lock_init+0x45/0x100
[  220.893400][ T6704]  ? __init_swait_queue_head+0xa9/0x150
[  220.893417][ T6704]  gfs2_sys_fs_add+0x234/0x450
[  220.893441][ T6704]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.893464][ T6704]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.893488][ T6704]  gfs2_fill_super+0x13c0/0x20d0
[  220.893511][ T6704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.893531][ T6704]  ? sb_set_blocksize+0x104/0x180
[  220.893552][ T6704]  ? setup_bdev_super+0x4c1/0x5b0
[  220.893572][ T6704]  get_tree_bdev_flags+0x40e/0x4d0
[  220.893590][ T6704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.893608][ T6704]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.893631][ T6704]  gfs2_get_tree+0x51/0x1e0
[  220.893649][ T6704]  vfs_get_tree+0x92/0x2b0
[  220.893673][ T6704]  do_new_mount+0x2a2/0xa30
[  220.893692][ T6704]  ? ns_capable+0x8a/0xf0
[  220.893710][ T6704]  ? __pfx_do_new_mount+0x10/0x10
[  220.893727][ T6704]  ? path_mount+0x61c/0xfe0
[  220.893742][ T6704]  ? user_path_at+0x44/0x60
[  220.893759][ T6704]  __se_sys_mount+0x317/0x410
[  220.893779][ T6704]  ? __pfx___se_sys_mount+0x10/0x10
[  220.893799][ T6704]  ? rcu_is_watching+0x15/0xb0
[  220.893817][ T6704]  ? __x64_sys_mount+0x20/0xc0
[  220.893837][ T6704]  do_syscall_64+0xfa/0xfa0
[  220.893856][ T6704]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.893873][ T6704]  ? clear_bhb_loop+0x60/0xb0
[  220.893891][ T6704]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.893909][ T6704] RIP: 0033:0x7f788219038a
[  220.893924][ T6704] 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
[  220.893939][ T6704] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.893956][ T6704] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  220.893966][ T6704] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  220.893976][ T6704] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  220.893987][ T6704] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.893997][ T6704] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  220.894014][ T6704]  </TASK>
[  220.894030][ T6704] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.210518][ T6704] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.501484][ T6707] loop1: detected capacity change from 0 to 32768
[  221.512016][ T6707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.520033][ T6707] CPU: 1 UID: 0 PID: 6707 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT(full) 
[  221.520056][ T6707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.520066][ T6707] Call Trace:
[  221.520072][ T6707]  <TASK>
[  221.520080][ T6707]  dump_stack_lvl+0x189/0x250
[  221.520104][ T6707]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.520124][ T6707]  ? __pfx__printk+0x10/0x10
[  221.520144][ T6707]  ? kernfs_root+0x1c/0x230
[  221.520162][ T6707]  ? kernfs_path_from_node+0x250/0x290
[  221.520176][ T6707]  ? kernfs_path_from_node+0x2f/0x290
[  221.520191][ T6707]  sysfs_create_dir_ns+0x259/0x280
[  221.520213][ T6707]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.520235][ T6707]  ? do_raw_spin_unlock+0x122/0x240
[  221.520254][ T6707]  kobject_add_internal+0x59f/0xb40
[  221.520278][ T6707]  kobject_init_and_add+0x125/0x190
[  221.520298][ T6707]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.520318][ T6707]  ? __raw_spin_lock_init+0x45/0x100
[  221.520335][ T6707]  ? __init_swait_queue_head+0xa9/0x150
[  221.520352][ T6707]  gfs2_sys_fs_add+0x234/0x450
[  221.520374][ T6707]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.520398][ T6707]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.520419][ T6707]  gfs2_fill_super+0x13c0/0x20d0
[  221.520441][ T6707]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.520459][ T6707]  ? sb_set_blocksize+0x104/0x180
[  221.520481][ T6707]  ? setup_bdev_super+0x4c1/0x5b0
[  221.520500][ T6707]  get_tree_bdev_flags+0x40e/0x4d0
[  221.520517][ T6707]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.520534][ T6707]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.520555][ T6707]  gfs2_get_tree+0x51/0x1e0
[  221.520573][ T6707]  vfs_get_tree+0x92/0x2b0
[  221.520592][ T6707]  do_new_mount+0x2a2/0xa30
[  221.520623][ T6707]  ? ns_capable+0x8a/0xf0
[  221.520644][ T6707]  ? __pfx_do_new_mount+0x10/0x10
[  221.520662][ T6707]  ? path_mount+0x61c/0xfe0
[  221.520679][ T6707]  ? user_path_at+0x44/0x60
[  221.520699][ T6707]  __se_sys_mount+0x317/0x410
[  221.520722][ T6707]  ? __pfx___se_sys_mount+0x10/0x10
[  221.520742][ T6707]  ? rcu_is_watching+0x15/0xb0
[  221.520763][ T6707]  ? __x64_sys_mount+0x20/0xc0
[  221.520782][ T6707]  do_syscall_64+0xfa/0xfa0
[  221.520799][ T6707]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.520814][ T6707]  ? clear_bhb_loop+0x60/0xb0
[  221.520831][ T6707]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.520847][ T6707] RIP: 0033:0x7f788219038a
[  221.520863][ T6707] 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
[  221.520877][ T6707] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.520896][ T6707] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  221.520909][ T6707] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  221.520921][ T6707] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  221.520932][ T6707] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  221.520944][ T6707] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  221.520963][ T6707]  </TASK>
[  221.520981][ T6707] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.836401][ T6707] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:31:20 executed programs: 211
[  222.125704][ T6710] loop1: detected capacity change from 0 to 32768
[  222.136315][ T6710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.143714][ T6710] CPU: 0 UID: 0 PID: 6710 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
[  222.143735][ T6710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.143746][ T6710] Call Trace:
[  222.143753][ T6710]  <TASK>
[  222.143762][ T6710]  dump_stack_lvl+0x189/0x250
[  222.143787][ T6710]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.143811][ T6710]  ? __pfx__printk+0x10/0x10
[  222.143830][ T6710]  ? kernfs_root+0x1c/0x230
[  222.143847][ T6710]  ? kernfs_path_from_node+0x250/0x290
[  222.143860][ T6710]  ? kernfs_path_from_node+0x2f/0x290
[  222.143875][ T6710]  sysfs_create_dir_ns+0x259/0x280
[  222.143897][ T6710]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.143918][ T6710]  ? do_raw_spin_unlock+0x122/0x240
[  222.143936][ T6710]  kobject_add_internal+0x59f/0xb40
[  222.143959][ T6710]  kobject_init_and_add+0x125/0x190
[  222.143979][ T6710]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.143998][ T6710]  ? __raw_spin_lock_init+0x45/0x100
[  222.144015][ T6710]  ? __init_swait_queue_head+0xa9/0x150
[  222.144032][ T6710]  gfs2_sys_fs_add+0x234/0x450
[  222.144054][ T6710]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.144076][ T6710]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.144098][ T6710]  gfs2_fill_super+0x13c0/0x20d0
[  222.144120][ T6710]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.144139][ T6710]  ? sb_set_blocksize+0x104/0x180
[  222.144161][ T6710]  ? setup_bdev_super+0x4c1/0x5b0
[  222.144182][ T6710]  get_tree_bdev_flags+0x40e/0x4d0
[  222.144200][ T6710]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.144217][ T6710]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.144239][ T6710]  gfs2_get_tree+0x51/0x1e0
[  222.144261][ T6710]  vfs_get_tree+0x92/0x2b0
[  222.144277][ T6710]  do_new_mount+0x2a2/0xa30
[  222.144296][ T6710]  ? ns_capable+0x8a/0xf0
[  222.144316][ T6710]  ? __pfx_do_new_mount+0x10/0x10
[  222.144334][ T6710]  ? path_mount+0x61c/0xfe0
[  222.144351][ T6710]  ? user_path_at+0x44/0x60
[  222.144369][ T6710]  __se_sys_mount+0x317/0x410
[  222.144391][ T6710]  ? __pfx___se_sys_mount+0x10/0x10
[  222.144413][ T6710]  ? rcu_is_watching+0x15/0xb0
[  222.144435][ T6710]  ? __x64_sys_mount+0x20/0xc0
[  222.144455][ T6710]  do_syscall_64+0xfa/0xfa0
[  222.144475][ T6710]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.144492][ T6710]  ? clear_bhb_loop+0x60/0xb0
[  222.144510][ T6710]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.144527][ T6710] RIP: 0033:0x7f788219038a
[  222.144543][ T6710] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.144557][ T6710] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.144575][ T6710] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  222.144587][ T6710] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  222.144599][ T6710] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  222.144610][ T6710] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  222.144621][ T6710] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  222.144640][ T6710]  </TASK>
[  222.450799][ T6710] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.464959][ T6710] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.780087][ T6713] loop1: detected capacity change from 0 to 32768
[  222.792585][ T6713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.800414][ T6713] CPU: 0 UID: 0 PID: 6713 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT(full) 
[  222.800439][ T6713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.800450][ T6713] Call Trace:
[  222.800457][ T6713]  <TASK>
[  222.800464][ T6713]  dump_stack_lvl+0x189/0x250
[  222.800491][ T6713]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.800509][ T6713]  ? __pfx__printk+0x10/0x10
[  222.800529][ T6713]  ? kernfs_root+0x1c/0x230
[  222.800545][ T6713]  ? kernfs_path_from_node+0x250/0x290
[  222.800558][ T6713]  ? kernfs_path_from_node+0x2f/0x290
[  222.800574][ T6713]  sysfs_create_dir_ns+0x259/0x280
[  222.800598][ T6713]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.800619][ T6713]  ? do_raw_spin_unlock+0x122/0x240
[  222.800639][ T6713]  kobject_add_internal+0x59f/0xb40
[  222.800662][ T6713]  kobject_init_and_add+0x125/0x190
[  222.800684][ T6713]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.800704][ T6713]  ? __raw_spin_lock_init+0x45/0x100
[  222.800722][ T6713]  ? __init_swait_queue_head+0xa9/0x150
[  222.800741][ T6713]  gfs2_sys_fs_add+0x234/0x450
[  222.800764][ T6713]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.800786][ T6713]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.800821][ T6713]  gfs2_fill_super+0x13c0/0x20d0
[  222.800845][ T6713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.800863][ T6713]  ? sb_set_blocksize+0x104/0x180
[  222.800884][ T6713]  ? setup_bdev_super+0x4c1/0x5b0
[  222.800903][ T6713]  get_tree_bdev_flags+0x40e/0x4d0
[  222.800920][ T6713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.800936][ T6713]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.800957][ T6713]  gfs2_get_tree+0x51/0x1e0
[  222.800974][ T6713]  vfs_get_tree+0x92/0x2b0
[  222.800992][ T6713]  do_new_mount+0x2a2/0xa30
[  222.801014][ T6713]  ? ns_capable+0x8a/0xf0
[  222.801036][ T6713]  ? __pfx_do_new_mount+0x10/0x10
[  222.801054][ T6713]  ? path_mount+0x61c/0xfe0
[  222.801072][ T6713]  ? user_path_at+0x44/0x60
[  222.801090][ T6713]  __se_sys_mount+0x317/0x410
[  222.801110][ T6713]  ? __pfx___se_sys_mount+0x10/0x10
[  222.801131][ T6713]  ? rcu_is_watching+0x15/0xb0
[  222.801155][ T6713]  ? __x64_sys_mount+0x20/0xc0
[  222.801175][ T6713]  do_syscall_64+0xfa/0xfa0
[  222.801192][ T6713]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.801207][ T6713]  ? clear_bhb_loop+0x60/0xb0
[  222.801222][ T6713]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.801235][ T6713] RIP: 0033:0x7f788219038a
[  222.801250][ T6713] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.801264][ T6713] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.801286][ T6713] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  222.801298][ T6713] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  222.801310][ T6713] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  222.801321][ T6713] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  222.801332][ T6713] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  222.801350][ T6713]  </TASK>
[  222.801370][ T6713] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.119213][ T6713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.437039][ T6716] loop1: detected capacity change from 0 to 32768
[  223.446761][ T6716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.454174][ T6716] CPU: 0 UID: 0 PID: 6716 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT(full) 
[  223.454195][ T6716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.454205][ T6716] Call Trace:
[  223.454213][ T6716]  <TASK>
[  223.454220][ T6716]  dump_stack_lvl+0x189/0x250
[  223.454244][ T6716]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.454266][ T6716]  ? __pfx__printk+0x10/0x10
[  223.454283][ T6716]  ? kernfs_root+0x1c/0x230
[  223.454300][ T6716]  ? kernfs_path_from_node+0x250/0x290
[  223.454312][ T6716]  ? kernfs_path_from_node+0x2f/0x290
[  223.454326][ T6716]  sysfs_create_dir_ns+0x259/0x280
[  223.454349][ T6716]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.454369][ T6716]  ? do_raw_spin_unlock+0x122/0x240
[  223.454386][ T6716]  kobject_add_internal+0x59f/0xb40
[  223.454409][ T6716]  kobject_init_and_add+0x125/0x190
[  223.454507][ T6716]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.454527][ T6716]  ? __raw_spin_lock_init+0x45/0x100
[  223.454546][ T6716]  ? __init_swait_queue_head+0xa9/0x150
[  223.454561][ T6716]  gfs2_sys_fs_add+0x234/0x450
[  223.454584][ T6716]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.454606][ T6716]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.454629][ T6716]  gfs2_fill_super+0x13c0/0x20d0
[  223.454655][ T6716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.454674][ T6716]  ? sb_set_blocksize+0x104/0x180
[  223.454700][ T6716]  ? setup_bdev_super+0x4c1/0x5b0
[  223.454719][ T6716]  get_tree_bdev_flags+0x40e/0x4d0
[  223.454736][ T6716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.454753][ T6716]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.454773][ T6716]  gfs2_get_tree+0x51/0x1e0
[  223.454790][ T6716]  vfs_get_tree+0x92/0x2b0
[  223.454807][ T6716]  do_new_mount+0x2a2/0xa30
[  223.454841][ T6716]  ? ns_capable+0x8a/0xf0
[  223.454862][ T6716]  ? __pfx_do_new_mount+0x10/0x10
[  223.454880][ T6716]  ? path_mount+0x61c/0xfe0
[  223.454896][ T6716]  ? user_path_at+0x44/0x60
[  223.454915][ T6716]  __se_sys_mount+0x317/0x410
[  223.454936][ T6716]  ? __pfx___se_sys_mount+0x10/0x10
[  223.454955][ T6716]  ? rcu_is_watching+0x15/0xb0
[  223.454978][ T6716]  ? __x64_sys_mount+0x20/0xc0
[  223.454998][ T6716]  do_syscall_64+0xfa/0xfa0
[  223.455018][ T6716]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.455033][ T6716]  ? clear_bhb_loop+0x60/0xb0
[  223.455051][ T6716]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.455067][ T6716] RIP: 0033:0x7f788219038a
[  223.455085][ T6716] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.455101][ T6716] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.455122][ T6716] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  223.455135][ T6716] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  223.455147][ T6716] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  223.455159][ T6716] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  223.455170][ T6716] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  223.455188][ T6716]  </TASK>
[  223.759519][ T6716] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.773923][ T6716] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.082618][ T6719] loop1: detected capacity change from 0 to 32768
[  224.096248][ T6719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.103660][ T6719] CPU: 1 UID: 0 PID: 6719 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT(full) 
[  224.103681][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.103690][ T6719] Call Trace:
[  224.103697][ T6719]  <TASK>
[  224.103705][ T6719]  dump_stack_lvl+0x189/0x250
[  224.103730][ T6719]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.103746][ T6719]  ? __pfx__printk+0x10/0x10
[  224.103764][ T6719]  ? kernfs_root+0x1c/0x230
[  224.103785][ T6719]  ? kernfs_path_from_node+0x250/0x290
[  224.103797][ T6719]  ? kernfs_path_from_node+0x2f/0x290
[  224.103813][ T6719]  sysfs_create_dir_ns+0x259/0x280
[  224.103838][ T6719]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.103858][ T6719]  ? do_raw_spin_unlock+0x122/0x240
[  224.103875][ T6719]  kobject_add_internal+0x59f/0xb40
[  224.103896][ T6719]  kobject_init_and_add+0x125/0x190
[  224.103914][ T6719]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.103931][ T6719]  ? __raw_spin_lock_init+0x45/0x100
[  224.103945][ T6719]  ? __init_swait_queue_head+0xa9/0x150
[  224.103960][ T6719]  gfs2_sys_fs_add+0x234/0x450
[  224.103980][ T6719]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.104000][ T6719]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.104022][ T6719]  gfs2_fill_super+0x13c0/0x20d0
[  224.104042][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.104058][ T6719]  ? sb_set_blocksize+0x104/0x180
[  224.104078][ T6719]  ? setup_bdev_super+0x4c1/0x5b0
[  224.104096][ T6719]  get_tree_bdev_flags+0x40e/0x4d0
[  224.104111][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.104126][ T6719]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.104145][ T6719]  gfs2_get_tree+0x51/0x1e0
[  224.104161][ T6719]  vfs_get_tree+0x92/0x2b0
[  224.104178][ T6719]  do_new_mount+0x2a2/0xa30
[  224.104197][ T6719]  ? ns_capable+0x8a/0xf0
[  224.104218][ T6719]  ? __pfx_do_new_mount+0x10/0x10
[  224.104235][ T6719]  ? path_mount+0x61c/0xfe0
[  224.104251][ T6719]  ? user_path_at+0x44/0x60
[  224.104271][ T6719]  __se_sys_mount+0x317/0x410
[  224.104290][ T6719]  ? __pfx___se_sys_mount+0x10/0x10
[  224.104308][ T6719]  ? rcu_is_watching+0x15/0xb0
[  224.104329][ T6719]  ? __x64_sys_mount+0x20/0xc0
[  224.104348][ T6719]  do_syscall_64+0xfa/0xfa0
[  224.104367][ T6719]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.104383][ T6719]  ? clear_bhb_loop+0x60/0xb0
[  224.104399][ T6719]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.104414][ T6719] RIP: 0033:0x7f788219038a
[  224.104430][ T6719] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.104445][ T6719] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.104466][ T6719] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  224.104480][ T6719] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  224.104493][ T6719] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  224.104524][ T6719] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  224.104536][ T6719] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  224.104554][ T6719]  </TASK>
[  224.413119][ T6719] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.427646][ T6719] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.743037][ T6722] loop1: detected capacity change from 0 to 32768
[  224.775041][ T6722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.782502][ T6722] CPU: 1 UID: 0 PID: 6722 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT(full) 
[  224.782528][ T6722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.782540][ T6722] Call Trace:
[  224.782548][ T6722]  <TASK>
[  224.782556][ T6722]  dump_stack_lvl+0x189/0x250
[  224.782584][ T6722]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.782603][ T6722]  ? __pfx__printk+0x10/0x10
[  224.782623][ T6722]  ? kernfs_root+0x1c/0x230
[  224.782641][ T6722]  ? kernfs_path_from_node+0x250/0x290
[  224.782661][ T6722]  ? kernfs_path_from_node+0x2f/0x290
[  224.782677][ T6722]  sysfs_create_dir_ns+0x259/0x280
[  224.782702][ T6722]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.782725][ T6722]  ? do_raw_spin_unlock+0x122/0x240
[  224.782745][ T6722]  kobject_add_internal+0x59f/0xb40
[  224.782769][ T6722]  kobject_init_and_add+0x125/0x190
[  224.782791][ T6722]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.782811][ T6722]  ? __raw_spin_lock_init+0x45/0x100
[  224.782828][ T6722]  ? __init_swait_queue_head+0xa9/0x150
[  224.782846][ T6722]  gfs2_sys_fs_add+0x234/0x450
[  224.782870][ T6722]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.782894][ T6722]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.782918][ T6722]  gfs2_fill_super+0x13c0/0x20d0
[  224.782943][ T6722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.782962][ T6722]  ? sb_set_blocksize+0x104/0x180
[  224.782985][ T6722]  ? setup_bdev_super+0x4c1/0x5b0
[  224.783005][ T6722]  get_tree_bdev_flags+0x40e/0x4d0
[  224.783024][ T6722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.783041][ T6722]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.783063][ T6722]  gfs2_get_tree+0x51/0x1e0
[  224.783082][ T6722]  vfs_get_tree+0x92/0x2b0
[  224.783102][ T6722]  do_new_mount+0x2a2/0xa30
[  224.783123][ T6722]  ? ns_capable+0x8a/0xf0
[  224.783144][ T6722]  ? __pfx_do_new_mount+0x10/0x10
[  224.783162][ T6722]  ? path_mount+0x61c/0xfe0
[  224.783180][ T6722]  ? user_path_at+0x44/0x60
[  224.783198][ T6722]  __se_sys_mount+0x317/0x410
[  224.783219][ T6722]  ? __pfx___se_sys_mount+0x10/0x10
[  224.783238][ T6722]  ? rcu_is_watching+0x15/0xb0
[  224.783258][ T6722]  ? __x64_sys_mount+0x20/0xc0
[  224.783277][ T6722]  do_syscall_64+0xfa/0xfa0
[  224.783296][ T6722]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.783313][ T6722]  ? clear_bhb_loop+0x60/0xb0
[  224.783332][ T6722]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.783350][ T6722] RIP: 0033:0x7f788219038a
[  224.783367][ T6722] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.783382][ T6722] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.783401][ T6722] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  224.783413][ T6722] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  224.783425][ T6722] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  224.783437][ T6722] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  224.783449][ T6722] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  224.783470][ T6722]  </TASK>
[  224.783491][ T6722] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.100799][ T6722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.407500][ T6725] loop1: detected capacity change from 0 to 32768
[  225.422832][ T6725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.430731][ T6725] CPU: 1 UID: 0 PID: 6725 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT(full) 
[  225.430758][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.430770][ T6725] Call Trace:
[  225.430778][ T6725]  <TASK>
[  225.430786][ T6725]  dump_stack_lvl+0x189/0x250
[  225.430814][ T6725]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.430833][ T6725]  ? __pfx__printk+0x10/0x10
[  225.430852][ T6725]  ? kernfs_root+0x1c/0x230
[  225.430870][ T6725]  ? kernfs_path_from_node+0x250/0x290
[  225.430885][ T6725]  ? kernfs_path_from_node+0x2f/0x290
[  225.430901][ T6725]  sysfs_create_dir_ns+0x259/0x280
[  225.430925][ T6725]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.430946][ T6725]  ? do_raw_spin_unlock+0x122/0x240
[  225.430966][ T6725]  kobject_add_internal+0x59f/0xb40
[  225.430989][ T6725]  kobject_init_and_add+0x125/0x190
[  225.431009][ T6725]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.431028][ T6725]  ? __raw_spin_lock_init+0x45/0x100
[  225.431046][ T6725]  ? __init_swait_queue_head+0xa9/0x150
[  225.431064][ T6725]  gfs2_sys_fs_add+0x234/0x450
[  225.431089][ T6725]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.431112][ T6725]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.431136][ T6725]  gfs2_fill_super+0x13c0/0x20d0
[  225.431158][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.431177][ T6725]  ? sb_set_blocksize+0x104/0x180
[  225.431198][ T6725]  ? setup_bdev_super+0x4c1/0x5b0
[  225.431217][ T6725]  get_tree_bdev_flags+0x40e/0x4d0
[  225.431235][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.431252][ T6725]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.431273][ T6725]  gfs2_get_tree+0x51/0x1e0
[  225.431292][ T6725]  vfs_get_tree+0x92/0x2b0
[  225.431310][ T6725]  do_new_mount+0x2a2/0xa30
[  225.431331][ T6725]  ? ns_capable+0x8a/0xf0
[  225.431354][ T6725]  ? __pfx_do_new_mount+0x10/0x10
[  225.431371][ T6725]  ? path_mount+0x61c/0xfe0
[  225.431387][ T6725]  ? user_path_at+0x44/0x60
[  225.431406][ T6725]  __se_sys_mount+0x317/0x410
[  225.431429][ T6725]  ? __pfx___se_sys_mount+0x10/0x10
[  225.431450][ T6725]  ? rcu_is_watching+0x15/0xb0
[  225.431472][ T6725]  ? __x64_sys_mount+0x20/0xc0
[  225.431492][ T6725]  do_syscall_64+0xfa/0xfa0
[  225.431510][ T6725]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.431525][ T6725]  ? clear_bhb_loop+0x60/0xb0
[  225.431543][ T6725]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.431559][ T6725] RIP: 0033:0x7f788219038a
[  225.431576][ T6725] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.431590][ T6725] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.431610][ T6725] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  225.431622][ T6725] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  225.431634][ T6725] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  225.431646][ T6725] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  225.431657][ T6725] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  225.431676][ T6725]  </TASK>
[  225.431725][ T6725] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.568690][   T31] INFO: task kworker/1:3:6030 blocked for more than 143 seconds.
[  225.568717][   T31]       Not tainted syzkaller #0
[  225.568728][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  225.568737][   T31] task:kworker/1:3     state:D stack:24944 pid:6030  tgid:6030  ppid:2      task_flags:0x4208060 flags:0x00004000
[  225.568786][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  225.568813][   T31] Call Trace:
[  225.568821][   T31]  <TASK>
[  225.568831][   T31]  __schedule+0x1798/0x4cc0
[  225.568856][   T31]  ? rcu_read_unlock_special+0x3a2/0x4b0
[  225.568881][   T31]  ? __pfx_rcu_read_unlock_special+0x10/0x10
[  225.568902][   T31]  ? lock_release+0x4b/0x3e0
[  225.568926][   T31]  ? __pfx___schedule+0x10/0x10
[  225.568942][   T31]  ? do_raw_spin_lock+0x121/0x290
[  225.568959][   T31]  ? schedule+0x91/0x360
[  225.577769][ T6725] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.589757][   T31]  ? rcu_is_watching+0x15/0xb0
[  225.589876][   T31]  ? rcu_is_watching+0x15/0xb0
[  225.847025][   T31]  ? lock_release+0x4b/0x3e0
[  225.851814][   T31]  ? schedule+0x91/0x360
[  225.856355][   T31]  ? wq_worker_sleeping+0x63/0x250
[  225.861501][   T31]  schedule+0x165/0x360
[  225.865937][   T31]  io_schedule+0x80/0xd0
[  225.870354][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  225.875998][   T31]  ? lock_release+0x4b/0x3e0
[  225.880619][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  225.888089][   T31]  ? seqcount_lockdep_reader_access+0x175/0x1c0
[  225.894675][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  225.900248][   T31]  ? __get_log_header+0x297/0x620
[  225.905800][   T31]  ? __filemap_get_folio+0x79f/0xaf0
[  225.912100][   T31]  gfs2_jhead_process_page+0x16e/0x650
[  225.918689][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  225.924817][   T31]  gfs2_find_jhead+0xc9e/0xe10
[  225.929620][   T31]  gfs2_recover_func+0x646/0x1d90
[  225.934794][   T31]  ? cpuacct_charge+0x10e/0x320
[  225.939667][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  225.945191][   T31]  ? rcu_is_watching+0x15/0xb0
[  225.949971][   T31]  ? __switch_to+0xdc8/0x1690
[  225.954715][   T31]  ? do_raw_spin_lock+0x121/0x290
[  225.959749][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  225.965208][   T31]  ? rcu_is_watching+0x15/0xb0
[  225.969980][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  225.975800][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  225.981529][   T31]  process_scheduled_works+0xae1/0x17b0
[  225.987160][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  225.993160][   T31]  worker_thread+0x8a0/0xda0
[  225.997870][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  226.004806][   T31]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  226.010712][   T31]  ? __kthread_parkme+0x7b/0x200
[  226.015964][   T31]  kthread+0x711/0x8a0
[  226.020753][   T31]  ? __pfx_worker_thread+0x10/0x10
[  226.026144][   T31]  ? __pfx_kthread+0x10/0x10
[  226.030873][   T31]  ? rcu_is_watching+0x15/0xb0
[  226.035749][   T31]  ? __pfx_kthread+0x10/0x10
[  226.040356][   T31]  ret_from_fork+0x47c/0x820
[  226.045031][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  226.050161][   T31]  ? __switch_to_asm+0x39/0x70
[  226.054997][   T31]  ? __switch_to_asm+0x33/0x70
[  226.059870][   T31]  ? __pfx_kthread+0x10/0x10
[  226.064603][   T31]  ret_from_fork_asm+0x1a/0x30
[  226.069394][   T31]  </TASK>
[  226.081795][   T31] INFO: task syz.0.17:6048 blocked for more than 143 seconds.
[  226.089387][   T31]       Not tainted syzkaller #0
[  226.094559][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  226.103323][   T31] task:syz.0.17        state:D stack:24624 pid:6048  tgid:6048  ppid:5974   task_flags:0x400140 flags:0x00004004
[  226.115510][   T31] Call Trace:
[  226.118796][   T31]  <TASK>
[  226.121740][   T31]  __schedule+0x1798/0x4cc0
[  226.127342][   T31]  ? __pfx_preempt_schedule_notrace+0x10/0x10
[  226.133448][   T31]  ? preempt_schedule+0xae/0xc0
[  226.138636][   T31]  ? __pfx___schedule+0x10/0x10
[  226.143522][   T31]  ? schedule+0x91/0x360
[  226.148511][   T31]  ? rcu_is_watching+0x15/0xb0
[  226.153301][   T31]  ? rcu_is_watching+0x15/0xb0
[  226.158575][   T31]  ? lock_release+0x4b/0x3e0
[  226.162334][ T6729] loop1: detected capacity change from 0 to 32768
[  226.169918][   T31]  schedule+0x165/0x360
[  226.174102][   T31]  bit_wait+0x11/0xd0
[  226.178416][   T31]  __wait_on_bit+0xb6/0x310
[  226.182996][   T31]  ? __pfx_bit_wait+0x10/0x10
[  226.188016][   T31]  ? __pfx_bit_wait+0x10/0x10
[  226.192895][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  226.199117][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  226.204801][ T6729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.205700][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  226.218275][ T6729] CPU: 0 UID: 0 PID: 6729 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full) 
[  226.218313][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.218324][ T6729] Call Trace:
[  226.218332][ T6729]  <TASK>
[  226.218339][ T6729]  dump_stack_lvl+0x189/0x250
[  226.218366][ T6729]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.218384][ T6729]  ? __pfx__printk+0x10/0x10
[  226.218405][ T6729]  ? kernfs_root+0x1c/0x230
[  226.218424][ T6729]  ? kernfs_path_from_node+0x250/0x290
[  226.218439][ T6729]  ? kernfs_path_from_node+0x2f/0x290
[  226.218455][ T6729]  sysfs_create_dir_ns+0x259/0x280
[  226.218479][ T6729]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  226.218502][ T6729]  ? do_raw_spin_unlock+0x122/0x240
[  226.218523][ T6729]  kobject_add_internal+0x59f/0xb40
[  226.218548][ T6729]  kobject_init_and_add+0x125/0x190
[  226.218571][ T6729]  ? __pfx_kobject_init_and_add+0x10/0x10
[  226.218590][ T6729]  ? __raw_spin_lock_init+0x45/0x100
[  226.218607][ T6729]  ? __init_swait_queue_head+0xa9/0x150
[  226.218625][ T6729]  gfs2_sys_fs_add+0x234/0x450
[  226.218648][ T6729]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  226.218673][ T6729]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  226.218697][ T6729]  gfs2_fill_super+0x13c0/0x20d0
[  226.218722][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.218741][ T6729]  ? sb_set_blocksize+0x104/0x180
[  226.218763][ T6729]  ? setup_bdev_super+0x4c1/0x5b0
[  226.218784][ T6729]  get_tree_bdev_flags+0x40e/0x4d0
[  226.218804][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.218821][ T6729]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.218844][ T6729]  gfs2_get_tree+0x51/0x1e0
[  226.218863][ T6729]  vfs_get_tree+0x92/0x2b0
[  226.218882][ T6729]  do_new_mount+0x2a2/0xa30
[  226.218906][ T6729]  ? ns_capable+0x8a/0xf0
[  226.218927][ T6729]  ? __pfx_do_new_mount+0x10/0x10
[  226.218945][ T6729]  ? path_mount+0x61c/0xfe0
[  226.218963][ T6729]  ? user_path_at+0x44/0x60
[  226.218982][ T6729]  __se_sys_mount+0x317/0x410
[  226.219005][ T6729]  ? __pfx___se_sys_mount+0x10/0x10
[  226.219027][ T6729]  ? rcu_is_watching+0x15/0xb0
[  226.219047][ T6729]  ? __x64_sys_mount+0x20/0xc0
[  226.219067][ T6729]  do_syscall_64+0xfa/0xfa0
[  226.219087][ T6729]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.219105][ T6729]  ? clear_bhb_loop+0x60/0xb0
[  226.219123][ T6729]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.219140][ T6729] RIP: 0033:0x7f788219038a
[  226.219157][ T6729] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.219172][ T6729] RSP: 002b:00007ffec3494258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.219191][ T6729] RAX: ffffffffffffffda RBX: 00007ffec34942e0 RCX: 00007f788219038a
[  226.219204][ T6729] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffec34942a0
[  226.219217][ T6729] RBP: 000020000001f680 R08: 00007ffec34942e0 R09: 0000000000000084
[  226.219229][ T6729] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  226.219241][ T6729] R13: 00007ffec34942a0 R14: 000000000001f81f R15: 00002000000001c0
[  226.219261][ T6729]  </TASK>
[  226.219290][ T6729] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.235984][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  226.242711][ T6729] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.245458][   T31]  gfs2_recover_journal+0xda/0x140
[  226.550513][   T31]  init_journal+0x17cc/0x2260
[  226.555278][   T31]  ? init_inodes+0xdb/0x320
[  226.559808][   T31]  ? __pfx_init_journal+0x10/0x10
[  226.564905][   T31]  ? snprintf+0xda/0x120
[  226.569160][   T31]  ? init_inodes+0xdb/0x320
[  226.573675][   T31]  ? __pfx_snprintf+0x10/0x10
[  226.578430][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  226.583641][   T31]  init_inodes+0xdb/0x320
[  226.588037][   T31]  gfs2_fill_super+0x1923/0x20d0
[  226.592998][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.598462][   T31]  ? init_locking+0xb8/0x210
[  226.603069][   T31]  ? sb_set_blocksize+0x104/0x180
[  226.608238][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  226.613470][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  226.618902][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.624214][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.629918][   T31]  gfs2_get_tree+0x51/0x1e0
[  226.635250][   T31]  vfs_get_tree+0x92/0x2b0
[  226.639702][   T31]  do_new_mount+0x2a2/0xa30
[  226.644223][   T31]  ? ns_capable+0x8a/0xf0
[  226.648733][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  226.653862][   T31]  ? path_mount+0x61c/0xfe0
[  226.659076][   T31]  ? user_path_at+0x44/0x60
[  226.663594][   T31]  __se_sys_mount+0x317/0x410
[  226.668373][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  226.673584][   T31]  ? rcu_is_watching+0x15/0xb0
[  226.678889][   T31]  ? __x64_sys_mount+0x20/0xc0
[  226.683670][   T31]  do_syscall_64+0xfa/0xfa0
[  226.688345][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.695011][   T31]  ? clear_bhb_loop+0x60/0xb0
[  226.699719][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.705671][   T31] RIP: 0033:0x7fde0679038a
[  226.710090][   T31] RSP: 002b:00007ffe30432738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.719069][   T31] RAX: ffffffffffffffda RBX: 00007ffe304327c0 RCX: 00007fde0679038a
[  226.727121][   T31] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffe30432780
[  226.735751][   T31] RBP: 000020000001f680 R08: 00007ffe304327c0 R09: 0000000000000084
[  226.744446][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  226.752445][   T31] R13: 00007ffe30432780 R14: 000000000001f81f R15: 00002000000001c0
[  226.760995][   T31]  </TASK>
[  226.764125][   T31] INFO: lockdep is turned off.
[  226.773191][   T31] NMI backtrace for cpu 1
[  226.773212][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  226.773229][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.773238][   T31] Call Trace:
[  226.773245][   T31]  <TASK>
[  226.773254][   T31]  dump_stack_lvl+0x189/0x250
[  226.773281][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.773300][   T31]  ? __pfx__printk+0x10/0x10
[  226.773324][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  226.773349][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  226.773369][   T31]  ? __pfx__printk+0x10/0x10
[  226.773389][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  226.773410][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  226.773430][   T31]  watchdog+0xf60/0xfa0
[  226.773449][   T31]  ? watchdog+0x1e2/0xfa0
[  226.773466][   T31]  kthread+0x711/0x8a0
[  226.773481][   T31]  ? __pfx_watchdog+0x10/0x10
[  226.773505][   T31]  ? __pfx_kthread+0x10/0x10
[  226.773520][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  226.773538][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  226.773557][   T31]  ? __pfx_kthread+0x10/0x10
[  226.773572][   T31]  ret_from_fork+0x47c/0x820
[  226.773593][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  226.773616][   T31]  ? __switch_to_asm+0x39/0x70
[  226.773634][   T31]  ? __switch_to_asm+0x33/0x70
[  226.773651][   T31]  ? __pfx_kthread+0x10/0x10
[  226.773667][   T31]  ret_from_fork_asm+0x1a/0x30
[  226.773692][   T31]  </TASK>
[  226.773699][   T31] Sending NMI from CPU 1 to CPUs 0:
[  226.895237][ T6734] loop1: detected capacity change from 0 to 32768
[  226.899914][    C0] NMI backtrace for cpu 0
[  226.899929][    C0] CPU: 0 UID: 0 PID: 6734 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT(full) 
[  226.899947][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.899959][    C0] RIP: 0010:io_serial_in+0x77/0xc0
[  226.899983][    C0] Code: e8 1e 6e 6d fc 44 89 f9 d3 e3 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 cf 17 d1 fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc cc cc 44 89 f9 80 e1 07
[  226.899997][    C0] RSP: 0018:ffffc900047be978 EFLAGS: 00000006
[  226.900013][    C0] RAX: 1ffffffff3401505 RBX: 00000000000003f9 RCX: 0000000000000000
[  226.900025][    C0] RDX: 00000000000003f9 RSI: 0000000000000000 RDI: 0000000000000020
[  226.900035][    C0] RBP: ffffc900047beb50 R08: 0000000000000003 R09: 0000000000000004
[  226.900046][    C0] R10: dffffc0000000000 R11: ffffffff85532060 R12: dffffc0000000000
[  226.900058][    C0] R13: dffffc0000000000 R14: ffffffff9a00af20 R15: 0000000000000000
[  226.900070][    C0] FS:  0000555558f5e500(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000
[  226.900084][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  226.900096][    C0] CR2: 000056209b1e4168 CR3: 0000000077246000 CR4: 00000000003526f0
[  226.900111][    C0] Call Trace:
[  226.900118][    C0]  <TASK>
[  226.900126][    C0]  serial8250_console_write+0x581/0x1ba0
[  226.900146][    C0]  ? format_decode+0xd9/0xe30
[  226.900169][    C0]  ? __pfx_serial8250_console_write+0x10/0x10
[  226.900185][    C0]  ? console_flush_all+0x13a/0xc40
[  226.900201][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.900222][    C0]  ? lock_acquire+0x5f/0x360
[  226.900243][    C0]  ? do_raw_spin_unlock+0x122/0x240
[  226.900269][    C0]  ? console_flush_all+0x13a/0xc40
[  226.900283][    C0]  ? console_flush_all+0x13a/0xc40
[  226.900299][    C0]  console_flush_all+0x725/0xc40
[  226.900314][    C0]  ? console_flush_all+0x13a/0xc40
[  226.900331][    C0]  ? __pfx_console_flush_all+0x10/0x10
[  226.900350][    C0]  ? is_printk_cpu_sync_owner+0x32/0x40
[  226.900369][    C0]  console_unlock+0xc4/0x270
[  226.900389][    C0]  ? __pfx_console_unlock+0x10/0x10
[  226.900407][    C0]  ? vprintk_emit+0x444/0x7a0
[  226.900427][    C0]  ? vprintk_emit+0x444/0x7a0
[  226.900445][    C0]  ? vprintk_emit+0x444/0x7a0
[  226.900464][    C0]  vprintk_emit+0x5b7/0x7a0
[  226.900482][    C0]  ? vprintk_emit+0x444/0x7a0
[  226.900501][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  226.900521][    C0]  ? shmem_huge_global_enabled+0x174/0x3a0
[  226.900543][    C0]  _printk+0xcf/0x120
[  226.900564][    C0]  ? __pfx__printk+0x10/0x10
[  226.900583][    C0]  ? do_raw_spin_unlock+0x122/0x240
[  226.900600][    C0]  set_capacity_and_notify+0x208/0x2d0
[  226.900623][    C0]  ? __pfx_set_capacity_and_notify+0x10/0x10
[  226.900642][    C0]  ? __pfx_internal_create_group+0x10/0x10
[  226.900667][    C0]  loop_set_size+0x44/0xb0
[  226.900687][    C0]  loop_configure+0x9f4/0xe50
[  226.900705][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.900719][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.900741][    C0]  ? __pfx_loop_configure+0x10/0x10
[  226.900765][    C0]  ? __kernel_text_address+0xd/0x40
[  226.900782][    C0]  ? unwind_get_return_address+0x4d/0x90
[  226.900796][    C0]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  226.900815][    C0]  lo_ioctl+0x810/0x1b30
[  226.900833][    C0]  ? stack_trace_save+0x9c/0xe0
[  226.900847][    C0]  ? __pfx_stack_trace_save+0x10/0x10
[  226.900862][    C0]  ? __pfx_lo_ioctl+0x10/0x10
[  226.900878][    C0]  ? stack_depot_save_flags+0x40/0x860
[  226.900897][    C0]  ? vsnprintf+0xe3a/0xf00
[  226.900917][    C0]  ? kasan_save_track+0x4f/0x80
[  226.900933][    C0]  ? kasan_save_track+0x3e/0x80
[  226.900947][    C0]  ? __kasan_save_free_info+0x46/0x50
[  226.900966][    C0]  ? __kasan_slab_free+0x5b/0x80
[  226.900981][    C0]  ? kfree+0x18e/0x440
[  226.900996][    C0]  ? tomoyo_check_open_permission+0x2c2/0x3b0
[  226.901016][    C0]  ? security_file_open+0xb1/0x270
[  226.901033][    C0]  ? do_dentry_open+0x384/0x13f0
[  226.901053][    C0]  ? vfs_open+0x3b/0x340
[  226.901070][    C0]  ? path_openat+0x2ee5/0x3830
[  226.901085][    C0]  ? do_filp_open+0x1fa/0x410
[  226.901098][    C0]  ? do_sys_openat2+0x121/0x1c0
[  226.901116][    C0]  ? __x64_sys_openat+0x138/0x170
[  226.901129][    C0]  ? do_syscall_64+0xfa/0xfa0
[  226.901146][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.901167][    C0]  ? __mutex_trylock_common+0x153/0x260
[  226.901189][    C0]  ? __pfx___mutex_trylock_common+0x10/0x10
[  226.901211][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.901224][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.901243][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.901262][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.901276][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.901295][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.901309][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.901322][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.901341][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.901355][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.901373][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.901388][    C0]  ? unwind_next_frame+0xa5/0x2390
[  226.901401][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.901420][    C0]  ? is_bpf_text_address+0x26/0x2b0
[  226.901439][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.901457][    C0]  ? rcu_is_watching+0x15/0xb0
[  226.901475][    C0]  ? lock_release+0x4b/0x3e0
[  226.901492][    C0]  ? lock_release+0x4b/0x3e0
[  226.901511][    C0]  ? is_bpf_text_address+0x292/0x2b0
[  226.901528][    C0]  ? is_bpf_text_address+0x26/0x2b0
[  226.901547][    C0]  ? kernel_text_address+0xa5/0xe0
[  226.901563][    C0]  ? __kernel_text_address+0xd/0x40
[  226.901579][    C0]  ? unwind_get_return_address+0x4d/0x90
[  226.901593][    C0]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  226.901608][    C0]  ? arch_stack_walk+0xfc/0x150
[  226.901627][    C0]  ? stack_trace_save+0x9c/0xe0
[  226.901641][    C0]  ? __pfx_stack_trace_save+0x10/0x10
[  226.901656][    C0]  ? stack_depot_save_flags+0x40/0x860
[  226.901676][    C0]  ? kasan_save_track+0x4f/0x80
[  226.901691][    C0]  ? kasan_save_track+0x3e/0x80
[  226.901705][    C0]  ? __kasan_save_free_info+0x46/0x50
[  226.901723][    C0]  ? __kasan_slab_free+0x5b/0x80
[  226.901738][    C0]  ? kfree+0x18e/0x440
[  226.901752][    C0]  ? tomoyo_path_number_perm+0x47a/0x5a0
[  226.901768][    C0]  ? security_file_ioctl+0xcb/0x2d0
[  226.901783][    C0]  ? __se_sys_ioctl+0x47/0x170
[  226.901797][    C0]  ? do_syscall_64+0xfa/0xfa0
[  226.901812][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.901834][    C0]  ? __asan_memset+0x22/0x50
[  226.901848][    C0]  ? blk_get_meta_cap+0x140/0x710
[  226.901876][    C0]  ? __pfx_blkdev_common_ioctl+0x10/0x10
[  226.901895][    C0]  ? do_vfs_ioctl+0xbe8/0x1430
[  226.901910][    C0]  ? tomoyo_path_number_perm+0x1bc/0x5a0
[  226.901928][    C0]  ? __pfx_do_vfs_ioctl+0x10/0x10
[  226.901953][    C0]  ? __pfx_lo_ioctl+0x10/0x10
[  226.901971][    C0]  blkdev_ioctl+0x5a8/0x6d0
[  226.901990][    C0]  ? __pfx_blkdev_ioctl+0x10/0x10
[  226.902010][    C0]  ? bpf_lsm_file_ioctl+0x9/0x20
[  226.902026][    C0]  ? __pfx_blkdev_ioctl+0x10/0x10
[  226.902044][    C0]  __se_sys_ioctl+0xfc/0x170
[  226.902059][    C0]  do_syscall_64+0xfa/0xfa0
[  226.902075][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.902090][    C0]  ? clear_bhb_loop+0x60/0xb0
[  226.902107][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.902121][    C0] RIP: 0033:0x7f788218e7eb
[  226.902136][    C0] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[  226.902148][    C0] RSP: 002b:00007ffec34941b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  226.902164][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f788218e7eb
[  226.902176][    C0] RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
[  226.902186][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f819
[  226.902196][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  226.902205][    C0] R13: 00007ffec34942e0 R14: 00007ffec34942a0 R15: 00007f7879200000
[  226.902223][    C0]  </TASK>
[  226.904895][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  226.904912][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  226.904933][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.904945][   T31] Call Trace:
[  226.904953][   T31]  <TASK>
[  226.904960][   T31]  dump_stack_lvl+0x99/0x250
[  226.904984][   T31]  ? __asan_memcpy+0x40/0x70
[  226.905001][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.905020][   T31]  ? __pfx__printk+0x10/0x10
[  226.905045][   T31]  vpanic+0x281/0x750
[  226.905065][   T31]  ? __pfx_vpanic+0x10/0x10
[  226.905083][   T31]  ? rcu_is_watching+0x15/0xb0
[  226.905104][   T31]  ? preempt_schedule+0xae/0xc0
[  226.905123][   T31]  ? preempt_schedule_common+0x83/0xd0
[  226.905143][   T31]  panic+0xb9/0xc0
[  226.905161][   T31]  ? __pfx_panic+0x10/0x10
[  226.905179][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  226.905197][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  226.905222][   T31]  watchdog+0xf9f/0xfa0
[  226.905245][   T31]  ? watchdog+0x1e2/0xfa0
[  226.905265][   T31]  kthread+0x711/0x8a0
[  226.905284][   T31]  ? __pfx_watchdog+0x10/0x10
[  226.905303][   T31]  ? __pfx_kthread+0x10/0x10
[  226.905320][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  226.905339][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  226.905357][   T31]  ? __pfx_kthread+0x10/0x10
[  226.905374][   T31]  ret_from_fork+0x47c/0x820
[  226.905397][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  226.905421][   T31]  ? __switch_to_asm+0x39/0x70
[  226.905441][   T31]  ? __switch_to_asm+0x33/0x70
[  226.905461][   T31]  ? __pfx_kthread+0x10/0x10
[  226.905477][   T31]  ret_from_fork_asm+0x1a/0x30
[  226.905509][   T31]  </TASK>
[  226.907235][   T31] Kernel Offset: disabled