ject_init_and_add+0x10/0x10
[  204.076301][ T6716]  ? __raw_spin_lock_init+0x45/0x100
[  204.076319][ T6716]  ? __init_swait_queue_head+0xa9/0x150
[  204.076337][ T6716]  gfs2_sys_fs_add+0x234/0x450
[  204.076360][ T6716]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.076384][ T6716]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.076407][ T6716]  gfs2_fill_super+0x13c0/0x20d0
[  204.076432][ T6716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.076451][ T6716]  ? sb_set_blocksize+0x104/0x180
[  204.076473][ T6716]  ? setup_bdev_super+0x4c1/0x5b0
[  204.076493][ T6716]  get_tree_bdev_flags+0x40e/0x4d0
[  204.076514][ T6716]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.076532][ T6716]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.076556][ T6716]  gfs2_get_tree+0x51/0x1e0
[  204.076574][ T6716]  vfs_get_tree+0x92/0x2b0
[  204.076593][ T6716]  do_new_mount+0x2a2/0xa30
[  204.076613][ T6716]  ? ns_capable+0x8a/0xf0
[  204.076634][ T6716]  ? __pfx_do_new_mount+0x10/0x10
[  204.076652][ T6716]  ? path_mount+0x61c/0xfe0
[  204.076670][ T6716]  ? user_path_at+0x44/0x60
[  204.076690][ T6716]  __se_sys_mount+0x317/0x410
[  204.076713][ T6716]  ? __pfx___se_sys_mount+0x10/0x10
[  204.076734][ T6716]  ? rcu_is_watching+0x15/0xb0
[  204.076756][ T6716]  ? __x64_sys_mount+0x20/0xc0
[  204.076777][ T6716]  do_syscall_64+0xfa/0xfa0
[  204.076797][ T6716]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.076814][ T6716]  ? clear_bhb_loop+0x60/0xb0
[  204.076830][ T6716]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.076846][ T6716] RIP: 0033:0x7f4ea959038a
[  204.076862][ 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
[  204.076879][ T6716] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.076899][ T6716] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  204.076914][ T6716] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  204.076928][ T6716] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  204.076939][ T6716] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  204.076952][ T6716] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  204.076971][ T6716]  </TASK>
[  204.076996][ 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.
[  204.392629][ T6716] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.605523][ T6719] loop1: detected capacity change from 0 to 32768
[  204.619028][ T6719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.626520][ T6719] CPU: 1 UID: 0 PID: 6719 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full) 
[  204.626542][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.626553][ T6719] Call Trace:
[  204.626560][ T6719]  <TASK>
[  204.626567][ T6719]  dump_stack_lvl+0x189/0x250
[  204.626592][ T6719]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.626611][ T6719]  ? __pfx__printk+0x10/0x10
[  204.626630][ T6719]  ? kernfs_root+0x1c/0x230
[  204.626647][ T6719]  ? kernfs_path_from_node+0x250/0x290
[  204.626661][ T6719]  ? kernfs_path_from_node+0x2f/0x290
[  204.626677][ T6719]  sysfs_create_dir_ns+0x259/0x280
[  204.626700][ T6719]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.626721][ T6719]  ? do_raw_spin_unlock+0x122/0x240
[  204.626740][ T6719]  kobject_add_internal+0x59f/0xb40
[  204.626763][ T6719]  kobject_init_and_add+0x125/0x190
[  204.626795][ T6719]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.626815][ T6719]  ? __raw_spin_lock_init+0x45/0x100
[  204.626831][ T6719]  ? __init_swait_queue_head+0xa9/0x150
[  204.626848][ T6719]  gfs2_sys_fs_add+0x234/0x450
[  204.626870][ T6719]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.626893][ T6719]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.626915][ T6719]  gfs2_fill_super+0x13c0/0x20d0
[  204.626939][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.626957][ T6719]  ? sb_set_blocksize+0x104/0x180
[  204.626978][ T6719]  ? setup_bdev_super+0x4c1/0x5b0
[  204.626998][ T6719]  get_tree_bdev_flags+0x40e/0x4d0
[  204.627015][ T6719]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.627032][ T6719]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.627054][ T6719]  gfs2_get_tree+0x51/0x1e0
[  204.627072][ T6719]  vfs_get_tree+0x92/0x2b0
[  204.627089][ T6719]  do_new_mount+0x2a2/0xa30
[  204.627110][ T6719]  ? ns_capable+0x8a/0xf0
[  204.627131][ T6719]  ? __pfx_do_new_mount+0x10/0x10
[  204.627150][ T6719]  ? path_mount+0x61c/0xfe0
[  204.627168][ T6719]  ? user_path_at+0x44/0x60
[  204.627187][ T6719]  __se_sys_mount+0x317/0x410
[  204.627208][ T6719]  ? __pfx___se_sys_mount+0x10/0x10
[  204.627228][ T6719]  ? rcu_is_watching+0x15/0xb0
[  204.627249][ T6719]  ? __x64_sys_mount+0x20/0xc0
[  204.627267][ T6719]  do_syscall_64+0xfa/0xfa0
[  204.627286][ T6719]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.627303][ T6719]  ? clear_bhb_loop+0x60/0xb0
[  204.627320][ T6719]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.627336][ T6719] RIP: 0033:0x7f4ea959038a
[  204.627351][ 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
[  204.627364][ T6719] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.627382][ T6719] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  204.627393][ T6719] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  204.627403][ T6719] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  204.627414][ T6719] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  204.627426][ T6719] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  204.627444][ T6719]  </TASK>
[  204.627464][ 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.
[  204.941095][ T6719] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.148557][ T6722] loop1: detected capacity change from 0 to 32768
[  205.163925][ T6722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.172937][ T6722] CPU: 0 UID: 0 PID: 6722 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT(full) 
[  205.172960][ T6722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  205.172979][ T6722] Call Trace:
[  205.172985][ T6722]  <TASK>
[  205.172993][ T6722]  dump_stack_lvl+0x189/0x250
[  205.173018][ T6722]  ? __pfx_dump_stack_lvl+0x10/0x10
[  205.173036][ T6722]  ? __pfx__printk+0x10/0x10
[  205.173055][ T6722]  ? kernfs_root+0x1c/0x230
[  205.173072][ T6722]  ? kernfs_path_from_node+0x250/0x290
[  205.173086][ T6722]  ? kernfs_path_from_node+0x2f/0x290
[  205.173103][ T6722]  sysfs_create_dir_ns+0x259/0x280
[  205.173127][ T6722]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  205.173150][ T6722]  ? do_raw_spin_unlock+0x122/0x240
[  205.173167][ T6722]  kobject_add_internal+0x59f/0xb40
[  205.173190][ T6722]  kobject_init_and_add+0x125/0x190
[  205.173211][ T6722]  ? __pfx_kobject_init_and_add+0x10/0x10
[  205.173229][ T6722]  ? __raw_spin_lock_init+0x45/0x100
[  205.173243][ T6722]  ? __init_swait_queue_head+0xa9/0x150
[  205.173259][ T6722]  gfs2_sys_fs_add+0x234/0x450
[  205.173282][ T6722]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  205.173305][ T6722]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  205.173327][ T6722]  gfs2_fill_super+0x13c0/0x20d0
[  205.173350][ T6722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.173369][ T6722]  ? sb_set_blocksize+0x104/0x180
[  205.173390][ T6722]  ? setup_bdev_super+0x4c1/0x5b0
[  205.173410][ T6722]  get_tree_bdev_flags+0x40e/0x4d0
[  205.173427][ T6722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.173444][ T6722]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  205.173466][ T6722]  gfs2_get_tree+0x51/0x1e0
[  205.173485][ T6722]  vfs_get_tree+0x92/0x2b0
[  205.173505][ T6722]  do_new_mount+0x2a2/0xa30
[  205.173527][ T6722]  ? ns_capable+0x8a/0xf0
[  205.173546][ T6722]  ? __pfx_do_new_mount+0x10/0x10
[  205.173565][ T6722]  ? path_mount+0x61c/0xfe0
[  205.173582][ T6722]  ? user_path_at+0x44/0x60
[  205.173599][ T6722]  __se_sys_mount+0x317/0x410
[  205.173620][ T6722]  ? __pfx___se_sys_mount+0x10/0x10
[  205.173641][ T6722]  ? rcu_is_watching+0x15/0xb0
[  205.173662][ T6722]  ? __x64_sys_mount+0x20/0xc0
[  205.173682][ T6722]  do_syscall_64+0xfa/0xfa0
[  205.173701][ T6722]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.173717][ T6722]  ? clear_bhb_loop+0x60/0xb0
[  205.173733][ T6722]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.173750][ T6722] RIP: 0033:0x7f4ea959038a
[  205.173765][ 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
[  205.173779][ T6722] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.173799][ T6722] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  205.173812][ T6722] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  205.173825][ T6722] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  205.173837][ T6722] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  205.173850][ T6722] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  205.173869][ T6722]  </TASK>
[  205.173888][ 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.
[  205.487440][ T6722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.694603][ T6725] loop1: detected capacity change from 0 to 32768
[  205.709433][ T6725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.716906][ T6725] CPU: 1 UID: 0 PID: 6725 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT(full) 
[  205.716927][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  205.716937][ T6725] Call Trace:
[  205.716944][ T6725]  <TASK>
[  205.716952][ T6725]  dump_stack_lvl+0x189/0x250
[  205.716982][ T6725]  ? __pfx_dump_stack_lvl+0x10/0x10
[  205.717001][ T6725]  ? __pfx__printk+0x10/0x10
[  205.717020][ T6725]  ? kernfs_root+0x1c/0x230
[  205.717037][ T6725]  ? kernfs_path_from_node+0x250/0x290
[  205.717051][ T6725]  ? kernfs_path_from_node+0x2f/0x290
[  205.717067][ T6725]  sysfs_create_dir_ns+0x259/0x280
[  205.717090][ T6725]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  205.717114][ T6725]  kobject_add_internal+0x59f/0xb40
[  205.717137][ T6725]  kobject_init_and_add+0x125/0x190
[  205.717159][ T6725]  ? __pfx_kobject_init_and_add+0x10/0x10
[  205.717179][ T6725]  ? __raw_spin_lock_init+0x45/0x100
[  205.717197][ T6725]  ? __init_swait_queue_head+0xa9/0x150
[  205.717214][ T6725]  gfs2_sys_fs_add+0x234/0x450
[  205.717237][ T6725]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  205.717259][ T6725]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  205.717282][ T6725]  gfs2_fill_super+0x13c0/0x20d0
[  205.717305][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.717323][ T6725]  ? sb_set_blocksize+0x104/0x180
[  205.717344][ T6725]  ? setup_bdev_super+0x4c1/0x5b0
[  205.717363][ T6725]  get_tree_bdev_flags+0x40e/0x4d0
[  205.717382][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.717399][ T6725]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  205.717423][ T6725]  gfs2_get_tree+0x51/0x1e0
[  205.717441][ T6725]  vfs_get_tree+0x92/0x2b0
[  205.717460][ T6725]  do_new_mount+0x2a2/0xa30
[  205.717481][ T6725]  ? ns_capable+0x8a/0xf0
[  205.717501][ T6725]  ? __pfx_do_new_mount+0x10/0x10
[  205.717520][ T6725]  ? path_mount+0x61c/0xfe0
[  205.717538][ T6725]  ? user_path_at+0x44/0x60
[  205.717556][ T6725]  __se_sys_mount+0x317/0x410
[  205.717578][ T6725]  ? __pfx___se_sys_mount+0x10/0x10
[  205.717600][ T6725]  ? rcu_is_watching+0x15/0xb0
[  205.717621][ T6725]  ? __x64_sys_mount+0x20/0xc0
[  205.717641][ T6725]  do_syscall_64+0xfa/0xfa0
[  205.717660][ T6725]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.717676][ T6725]  ? clear_bhb_loop+0x60/0xb0
[  205.717694][ T6725]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.717711][ T6725] RIP: 0033:0x7f4ea959038a
[  205.717725][ 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
[  205.717740][ T6725] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.717760][ T6725] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  205.717774][ T6725] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  205.717786][ T6725] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  205.717798][ T6725] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  205.717810][ T6725] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  205.717829][ T6725]  </TASK>
[  205.717847][ 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.
[  206.023700][ T6725] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.228257][ T6728] loop1: detected capacity change from 0 to 32768
[  206.242968][ T6728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.250783][ T6728] CPU: 1 UID: 0 PID: 6728 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT(full) 
[  206.250805][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.250817][ T6728] Call Trace:
[  206.250824][ T6728]  <TASK>
[  206.250831][ T6728]  dump_stack_lvl+0x189/0x250
[  206.250856][ T6728]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.250875][ T6728]  ? __pfx__printk+0x10/0x10
[  206.250895][ T6728]  ? kernfs_root+0x1c/0x230
[  206.250912][ T6728]  ? kernfs_path_from_node+0x250/0x290
[  206.250927][ T6728]  ? kernfs_path_from_node+0x2f/0x290
[  206.250949][ T6728]  sysfs_create_dir_ns+0x259/0x280
[  206.250972][ T6728]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.250995][ T6728]  ? do_raw_spin_unlock+0x122/0x240
[  206.251015][ T6728]  kobject_add_internal+0x59f/0xb40
[  206.251038][ T6728]  kobject_init_and_add+0x125/0x190
[  206.251059][ T6728]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.251079][ T6728]  ? __raw_spin_lock_init+0x45/0x100
[  206.251097][ T6728]  ? __init_swait_queue_head+0xa9/0x150
[  206.251114][ T6728]  gfs2_sys_fs_add+0x234/0x450
[  206.251137][ T6728]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.251161][ T6728]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.251184][ T6728]  gfs2_fill_super+0x13c0/0x20d0
[  206.251208][ T6728]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.251227][ T6728]  ? sb_set_blocksize+0x104/0x180
[  206.251248][ T6728]  ? setup_bdev_super+0x4c1/0x5b0
[  206.251269][ T6728]  get_tree_bdev_flags+0x40e/0x4d0
[  206.251287][ T6728]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.251305][ T6728]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.251327][ T6728]  gfs2_get_tree+0x51/0x1e0
[  206.251346][ T6728]  vfs_get_tree+0x92/0x2b0
[  206.251365][ T6728]  do_new_mount+0x2a2/0xa30
[  206.251385][ T6728]  ? ns_capable+0x8a/0xf0
[  206.251406][ T6728]  ? __pfx_do_new_mount+0x10/0x10
[  206.251424][ T6728]  ? path_mount+0x61c/0xfe0
[  206.251442][ T6728]  ? user_path_at+0x44/0x60
[  206.251461][ T6728]  __se_sys_mount+0x317/0x410
[  206.251483][ T6728]  ? __pfx___se_sys_mount+0x10/0x10
[  206.251505][ T6728]  ? rcu_is_watching+0x15/0xb0
[  206.251525][ T6728]  ? __x64_sys_mount+0x20/0xc0
[  206.251545][ T6728]  do_syscall_64+0xfa/0xfa0
[  206.251564][ T6728]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.251581][ T6728]  ? clear_bhb_loop+0x60/0xb0
[  206.251598][ T6728]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.251615][ T6728] RIP: 0033:0x7f4ea959038a
[  206.251630][ T6728] 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
[  206.251646][ T6728] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.251665][ T6728] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  206.251678][ T6728] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  206.251691][ T6728] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  206.251703][ T6728] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  206.251715][ T6728] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  206.251734][ T6728]  </TASK>
[  206.251751][ T6728] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.564875][ T6728] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:38:22 executed programs: 221
[  206.773082][ T6731] loop1: detected capacity change from 0 to 32768
[  206.784975][ T6731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.792855][ T6731] CPU: 1 UID: 0 PID: 6731 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT(full) 
[  206.792877][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.792888][ T6731] Call Trace:
[  206.792895][ T6731]  <TASK>
[  206.792901][ T6731]  dump_stack_lvl+0x189/0x250
[  206.792926][ T6731]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.792948][ T6731]  ? __pfx__printk+0x10/0x10
[  206.792967][ T6731]  ? kernfs_root+0x1c/0x230
[  206.792983][ T6731]  ? kernfs_path_from_node+0x250/0x290
[  206.792996][ T6731]  ? kernfs_path_from_node+0x2f/0x290
[  206.793010][ T6731]  sysfs_create_dir_ns+0x259/0x280
[  206.793030][ T6731]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.793052][ T6731]  ? do_raw_spin_unlock+0x122/0x240
[  206.793069][ T6731]  kobject_add_internal+0x59f/0xb40
[  206.793094][ T6731]  kobject_init_and_add+0x125/0x190
[  206.793114][ T6731]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.793132][ T6731]  ? __raw_spin_lock_init+0x45/0x100
[  206.793146][ T6731]  ? __init_swait_queue_head+0xa9/0x150
[  206.793159][ T6731]  gfs2_sys_fs_add+0x234/0x450
[  206.793177][ T6731]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.793197][ T6731]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.793214][ T6731]  gfs2_fill_super+0x13c0/0x20d0
[  206.793233][ T6731]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.793247][ T6731]  ? sb_set_blocksize+0x104/0x180
[  206.793264][ T6731]  ? setup_bdev_super+0x4c1/0x5b0
[  206.793280][ T6731]  get_tree_bdev_flags+0x40e/0x4d0
[  206.793295][ T6731]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.793308][ T6731]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.793326][ T6731]  gfs2_get_tree+0x51/0x1e0
[  206.793340][ T6731]  vfs_get_tree+0x92/0x2b0
[  206.793355][ T6731]  do_new_mount+0x2a2/0xa30
[  206.793372][ T6731]  ? ns_capable+0x8a/0xf0
[  206.793389][ T6731]  ? __pfx_do_new_mount+0x10/0x10
[  206.793403][ T6731]  ? path_mount+0x61c/0xfe0
[  206.793417][ T6731]  ? user_path_at+0x44/0x60
[  206.793432][ T6731]  __se_sys_mount+0x317/0x410
[  206.793449][ T6731]  ? __pfx___se_sys_mount+0x10/0x10
[  206.793466][ T6731]  ? rcu_is_watching+0x15/0xb0
[  206.793485][ T6731]  ? __x64_sys_mount+0x20/0xc0
[  206.793500][ T6731]  do_syscall_64+0xfa/0xfa0
[  206.793516][ T6731]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.793529][ T6731]  ? clear_bhb_loop+0x60/0xb0
[  206.793543][ T6731]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.793555][ T6731] RIP: 0033:0x7f4ea959038a
[  206.793568][ T6731] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  206.793580][ T6731] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.793596][ T6731] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  206.793606][ T6731] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  206.793616][ T6731] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  206.793626][ T6731] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  206.793635][ T6731] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  206.793659][ T6731]  </TASK>
[  206.793774][ T6731] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.107483][ T6731] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.314499][ T6734] loop1: detected capacity change from 0 to 32768
[  207.323361][ T6734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.330986][ T6734] CPU: 1 UID: 0 PID: 6734 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT(full) 
[  207.331006][ T6734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.331016][ T6734] Call Trace:
[  207.331023][ T6734]  <TASK>
[  207.331030][ T6734]  dump_stack_lvl+0x189/0x250
[  207.331056][ T6734]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.331073][ T6734]  ? __pfx__printk+0x10/0x10
[  207.331091][ T6734]  ? kernfs_root+0x1c/0x230
[  207.331106][ T6734]  ? kernfs_path_from_node+0x250/0x290
[  207.331120][ T6734]  ? kernfs_path_from_node+0x2f/0x290
[  207.331134][ T6734]  sysfs_create_dir_ns+0x259/0x280
[  207.331159][ T6734]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.331180][ T6734]  ? do_raw_spin_unlock+0x122/0x240
[  207.331198][ T6734]  kobject_add_internal+0x59f/0xb40
[  207.331219][ T6734]  kobject_init_and_add+0x125/0x190
[  207.331239][ T6734]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.331256][ T6734]  ? __raw_spin_lock_init+0x45/0x100
[  207.331270][ T6734]  ? __init_swait_queue_head+0xa9/0x150
[  207.331286][ T6734]  gfs2_sys_fs_add+0x234/0x450
[  207.331308][ T6734]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.331330][ T6734]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.331352][ T6734]  gfs2_fill_super+0x13c0/0x20d0
[  207.331374][ T6734]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.331391][ T6734]  ? sb_set_blocksize+0x104/0x180
[  207.331411][ T6734]  ? setup_bdev_super+0x4c1/0x5b0
[  207.331429][ T6734]  get_tree_bdev_flags+0x40e/0x4d0
[  207.331446][ T6734]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.331463][ T6734]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.331485][ T6734]  gfs2_get_tree+0x51/0x1e0
[  207.331502][ T6734]  vfs_get_tree+0x92/0x2b0
[  207.331519][ T6734]  do_new_mount+0x2a2/0xa30
[  207.331540][ T6734]  ? ns_capable+0x8a/0xf0
[  207.331560][ T6734]  ? __pfx_do_new_mount+0x10/0x10
[  207.331579][ T6734]  ? path_mount+0x61c/0xfe0
[  207.331597][ T6734]  ? user_path_at+0x44/0x60
[  207.331615][ T6734]  __se_sys_mount+0x317/0x410
[  207.331635][ T6734]  ? __pfx___se_sys_mount+0x10/0x10
[  207.331656][ T6734]  ? rcu_is_watching+0x15/0xb0
[  207.331676][ T6734]  ? __x64_sys_mount+0x20/0xc0
[  207.331696][ T6734]  do_syscall_64+0xfa/0xfa0
[  207.331713][ T6734]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.331729][ T6734]  ? clear_bhb_loop+0x60/0xb0
[  207.331752][ T6734]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.331768][ T6734] RIP: 0033:0x7f4ea959038a
[  207.331783][ T6734] 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
[  207.331797][ T6734] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.331823][ T6734] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  207.331836][ T6734] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  207.331848][ T6734] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  207.331861][ T6734] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  207.331873][ T6734] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  207.331890][ T6734]  </TASK>
[  207.331908][ T6734] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.646510][ T6734] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.850665][ T6737] loop1: detected capacity change from 0 to 32768
[  207.867146][ T6737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.874660][ T6737] CPU: 0 UID: 0 PID: 6737 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT(full) 
[  207.874682][ T6737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.874692][ T6737] Call Trace:
[  207.874700][ T6737]  <TASK>
[  207.874707][ T6737]  dump_stack_lvl+0x189/0x250
[  207.874733][ T6737]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.874752][ T6737]  ? __pfx__printk+0x10/0x10
[  207.874781][ T6737]  ? kernfs_root+0x1c/0x230
[  207.874798][ T6737]  ? kernfs_path_from_node+0x250/0x290
[  207.874813][ T6737]  ? kernfs_path_from_node+0x2f/0x290
[  207.874828][ T6737]  sysfs_create_dir_ns+0x259/0x280
[  207.874851][ T6737]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.874873][ T6737]  ? do_raw_spin_unlock+0x122/0x240
[  207.874893][ T6737]  kobject_add_internal+0x59f/0xb40
[  207.874915][ T6737]  kobject_init_and_add+0x125/0x190
[  207.874934][ T6737]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.874954][ T6737]  ? __raw_spin_lock_init+0x45/0x100
[  207.874972][ T6737]  ? __init_swait_queue_head+0xa9/0x150
[  207.874990][ T6737]  gfs2_sys_fs_add+0x234/0x450
[  207.875013][ T6737]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.875036][ T6737]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.875057][ T6737]  gfs2_fill_super+0x13c0/0x20d0
[  207.875079][ T6737]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.875097][ T6737]  ? sb_set_blocksize+0x104/0x180
[  207.875117][ T6737]  ? setup_bdev_super+0x4c1/0x5b0
[  207.875137][ T6737]  get_tree_bdev_flags+0x40e/0x4d0
[  207.875155][ T6737]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.875171][ T6737]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.875193][ T6737]  gfs2_get_tree+0x51/0x1e0
[  207.875211][ T6737]  vfs_get_tree+0x92/0x2b0
[  207.875230][ T6737]  do_new_mount+0x2a2/0xa30
[  207.875251][ T6737]  ? ns_capable+0x8a/0xf0
[  207.875271][ T6737]  ? __pfx_do_new_mount+0x10/0x10
[  207.875289][ T6737]  ? path_mount+0x61c/0xfe0
[  207.875307][ T6737]  ? user_path_at+0x44/0x60
[  207.875326][ T6737]  __se_sys_mount+0x317/0x410
[  207.875348][ T6737]  ? __pfx___se_sys_mount+0x10/0x10
[  207.875370][ T6737]  ? rcu_is_watching+0x15/0xb0
[  207.875390][ T6737]  ? __x64_sys_mount+0x20/0xc0
[  207.875410][ T6737]  do_syscall_64+0xfa/0xfa0
[  207.875429][ T6737]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.875445][ T6737]  ? clear_bhb_loop+0x60/0xb0
[  207.875461][ T6737]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.875476][ T6737] RIP: 0033:0x7f4ea959038a
[  207.875492][ T6737] 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
[  207.875507][ T6737] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.875525][ T6737] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  207.875538][ T6737] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  207.875550][ T6737] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  207.875562][ T6737] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  207.875573][ T6737] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  207.875591][ T6737]  </TASK>
[  207.875611][ T6737] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.188588][ T6737] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.397552][ T6740] loop1: detected capacity change from 0 to 32768
[  208.408890][ T6740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.416295][ T6740] CPU: 1 UID: 0 PID: 6740 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT(full) 
[  208.416317][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  208.416329][ T6740] Call Trace:
[  208.416337][ T6740]  <TASK>
[  208.416343][ T6740]  dump_stack_lvl+0x189/0x250
[  208.416368][ T6740]  ? __pfx_dump_stack_lvl+0x10/0x10
[  208.416387][ T6740]  ? __pfx__printk+0x10/0x10
[  208.416407][ T6740]  ? kernfs_root+0x1c/0x230
[  208.416423][ T6740]  ? kernfs_path_from_node+0x250/0x290
[  208.416437][ T6740]  ? kernfs_path_from_node+0x2f/0x290
[  208.416453][ T6740]  sysfs_create_dir_ns+0x259/0x280
[  208.416477][ T6740]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  208.416500][ T6740]  ? do_raw_spin_unlock+0x122/0x240
[  208.416518][ T6740]  kobject_add_internal+0x59f/0xb40
[  208.416541][ T6740]  kobject_init_and_add+0x125/0x190
[  208.416561][ T6740]  ? __pfx_kobject_init_and_add+0x10/0x10
[  208.416581][ T6740]  ? __raw_spin_lock_init+0x45/0x100
[  208.416598][ T6740]  ? __init_swait_queue_head+0xa9/0x150
[  208.416615][ T6740]  gfs2_sys_fs_add+0x234/0x450
[  208.416638][ T6740]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  208.416661][ T6740]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  208.416684][ T6740]  gfs2_fill_super+0x13c0/0x20d0
[  208.416708][ T6740]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.416727][ T6740]  ? sb_set_blocksize+0x104/0x180
[  208.416747][ T6740]  ? setup_bdev_super+0x4c1/0x5b0
[  208.416767][ T6740]  get_tree_bdev_flags+0x40e/0x4d0
[  208.416792][ T6740]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.416810][ T6740]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  208.416832][ T6740]  gfs2_get_tree+0x51/0x1e0
[  208.416850][ T6740]  vfs_get_tree+0x92/0x2b0
[  208.416869][ T6740]  do_new_mount+0x2a2/0xa30
[  208.416890][ T6740]  ? ns_capable+0x8a/0xf0
[  208.416910][ T6740]  ? __pfx_do_new_mount+0x10/0x10
[  208.416928][ T6740]  ? path_mount+0x61c/0xfe0
[  208.416946][ T6740]  ? user_path_at+0x44/0x60
[  208.416965][ T6740]  __se_sys_mount+0x317/0x410
[  208.416987][ T6740]  ? __pfx___se_sys_mount+0x10/0x10
[  208.417008][ T6740]  ? rcu_is_watching+0x15/0xb0
[  208.417027][ T6740]  ? __x64_sys_mount+0x20/0xc0
[  208.417046][ T6740]  do_syscall_64+0xfa/0xfa0
[  208.417064][ T6740]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.417080][ T6740]  ? clear_bhb_loop+0x60/0xb0
[  208.417096][ T6740]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.417111][ T6740] RIP: 0033:0x7f4ea959038a
[  208.417126][ T6740] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.417141][ T6740] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.417160][ T6740] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  208.417173][ T6740] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  208.417185][ T6740] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  208.417196][ T6740] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  208.417208][ T6740] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  208.417227][ T6740]  </TASK>
[  208.417245][ T6740] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.731109][ T6740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.936618][ T6743] loop1: detected capacity change from 0 to 32768
[  208.967641][ T6743] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.975803][ T6743] CPU: 1 UID: 0 PID: 6743 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT(full) 
[  208.975826][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  208.975838][ T6743] Call Trace:
[  208.975845][ T6743]  <TASK>
[  208.975851][ T6743]  dump_stack_lvl+0x189/0x250
[  208.975875][ T6743]  ? __pfx_dump_stack_lvl+0x10/0x10
[  208.975893][ T6743]  ? __pfx__printk+0x10/0x10
[  208.975911][ T6743]  ? kernfs_root+0x1c/0x230
[  208.975927][ T6743]  ? kernfs_path_from_node+0x250/0x290
[  208.975942][ T6743]  ? kernfs_path_from_node+0x2f/0x290
[  208.975957][ T6743]  sysfs_create_dir_ns+0x259/0x280
[  208.975981][ T6743]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  208.976001][ T6743]  ? do_raw_spin_unlock+0x122/0x240
[  208.976020][ T6743]  kobject_add_internal+0x59f/0xb40
[  208.976043][ T6743]  kobject_init_and_add+0x125/0x190
[  208.976065][ T6743]  ? __pfx_kobject_init_and_add+0x10/0x10
[  208.976083][ T6743]  ? __raw_spin_lock_init+0x45/0x100
[  208.976097][ T6743]  ? __init_swait_queue_head+0xa9/0x150
[  208.976113][ T6743]  gfs2_sys_fs_add+0x234/0x450
[  208.976133][ T6743]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  208.976156][ T6743]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  208.976177][ T6743]  gfs2_fill_super+0x13c0/0x20d0
[  208.976201][ T6743]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.976218][ T6743]  ? sb_set_blocksize+0x104/0x180
[  208.976238][ T6743]  ? setup_bdev_super+0x4c1/0x5b0
[  208.976258][ T6743]  get_tree_bdev_flags+0x40e/0x4d0
[  208.976276][ T6743]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.976292][ T6743]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  208.976312][ T6743]  gfs2_get_tree+0x51/0x1e0
[  208.976327][ T6743]  vfs_get_tree+0x92/0x2b0
[  208.976344][ T6743]  do_new_mount+0x2a2/0xa30
[  208.976363][ T6743]  ? ns_capable+0x8a/0xf0
[  208.976382][ T6743]  ? __pfx_do_new_mount+0x10/0x10
[  208.976401][ T6743]  ? path_mount+0x61c/0xfe0
[  208.976418][ T6743]  ? user_path_at+0x44/0x60
[  208.976435][ T6743]  __se_sys_mount+0x317/0x410
[  208.976464][ T6743]  ? __pfx___se_sys_mount+0x10/0x10
[  208.976483][ T6743]  ? rcu_is_watching+0x15/0xb0
[  208.976503][ T6743]  ? __x64_sys_mount+0x20/0xc0
[  208.976521][ T6743]  do_syscall_64+0xfa/0xfa0
[  208.976541][ T6743]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.976558][ T6743]  ? clear_bhb_loop+0x60/0xb0
[  208.976575][ T6743]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.976590][ T6743] RIP: 0033:0x7f4ea959038a
[  208.976605][ T6743] 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
[  208.976619][ T6743] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.976638][ T6743] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  208.976650][ T6743] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  208.976661][ T6743] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  208.976674][ T6743] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  208.976686][ T6743] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  208.976703][ T6743]  </TASK>
[  208.976792][ T6743] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.291422][ T6743] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.501362][ T6746] loop1: detected capacity change from 0 to 32768
[  209.512748][ T6746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.520215][ T6746] CPU: 1 UID: 0 PID: 6746 Comm: syz.1.241 Not tainted syzkaller #0 PREEMPT(full) 
[  209.520238][ T6746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  209.520248][ T6746] Call Trace:
[  209.520256][ T6746]  <TASK>
[  209.520263][ T6746]  dump_stack_lvl+0x189/0x250
[  209.520287][ T6746]  ? __pfx_dump_stack_lvl+0x10/0x10
[  209.520306][ T6746]  ? __pfx__printk+0x10/0x10
[  209.520326][ T6746]  ? kernfs_root+0x1c/0x230
[  209.520342][ T6746]  ? kernfs_path_from_node+0x250/0x290
[  209.520356][ T6746]  ? kernfs_path_from_node+0x2f/0x290
[  209.520372][ T6746]  sysfs_create_dir_ns+0x259/0x280
[  209.520395][ T6746]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  209.520424][ T6746]  ? do_raw_spin_unlock+0x122/0x240
[  209.520444][ T6746]  kobject_add_internal+0x59f/0xb40
[  209.520467][ T6746]  kobject_init_and_add+0x125/0x190
[  209.520489][ T6746]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.520509][ T6746]  ? __raw_spin_lock_init+0x45/0x100
[  209.520527][ T6746]  ? __init_swait_queue_head+0xa9/0x150
[  209.520543][ T6746]  gfs2_sys_fs_add+0x234/0x450
[  209.520565][ T6746]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.520588][ T6746]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.520610][ T6746]  gfs2_fill_super+0x13c0/0x20d0
[  209.520634][ T6746]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.520652][ T6746]  ? sb_set_blocksize+0x104/0x180
[  209.520672][ T6746]  ? setup_bdev_super+0x4c1/0x5b0
[  209.520693][ T6746]  get_tree_bdev_flags+0x40e/0x4d0
[  209.520712][ T6746]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.520729][ T6746]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.520752][ T6746]  gfs2_get_tree+0x51/0x1e0
[  209.520769][ T6746]  vfs_get_tree+0x92/0x2b0
[  209.520788][ T6746]  do_new_mount+0x2a2/0xa30
[  209.520808][ T6746]  ? ns_capable+0x8a/0xf0
[  209.520829][ T6746]  ? __pfx_do_new_mount+0x10/0x10
[  209.520848][ T6746]  ? path_mount+0x61c/0xfe0
[  209.520865][ T6746]  ? user_path_at+0x44/0x60
[  209.520882][ T6746]  __se_sys_mount+0x317/0x410
[  209.520904][ T6746]  ? __pfx___se_sys_mount+0x10/0x10
[  209.520925][ T6746]  ? rcu_is_watching+0x15/0xb0
[  209.520947][ T6746]  ? __x64_sys_mount+0x20/0xc0
[  209.520967][ T6746]  do_syscall_64+0xfa/0xfa0
[  209.520985][ T6746]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.521001][ T6746]  ? clear_bhb_loop+0x60/0xb0
[  209.521018][ T6746]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.521032][ T6746] RIP: 0033:0x7f4ea959038a
[  209.521048][ T6746] 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
[  209.521061][ T6746] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.521080][ T6746] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  209.521093][ T6746] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  209.521105][ T6746] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  209.521117][ T6746] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  209.521127][ T6746] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  209.521145][ T6746]  </TASK>
[  209.521161][ T6746] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.836235][ T6746] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.046147][ T6749] loop1: detected capacity change from 0 to 32768
[  210.057202][ T6749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.064901][ T6749] CPU: 0 UID: 0 PID: 6749 Comm: syz.1.242 Not tainted syzkaller #0 PREEMPT(full) 
[  210.064922][ T6749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.064933][ T6749] Call Trace:
[  210.064940][ T6749]  <TASK>
[  210.064947][ T6749]  dump_stack_lvl+0x189/0x250
[  210.064972][ T6749]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.064990][ T6749]  ? __pfx__printk+0x10/0x10
[  210.065009][ T6749]  ? kernfs_root+0x1c/0x230
[  210.065026][ T6749]  ? kernfs_path_from_node+0x250/0x290
[  210.065041][ T6749]  ? kernfs_path_from_node+0x2f/0x290
[  210.065055][ T6749]  sysfs_create_dir_ns+0x259/0x280
[  210.065078][ T6749]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.065100][ T6749]  ? do_raw_spin_unlock+0x122/0x240
[  210.065120][ T6749]  kobject_add_internal+0x59f/0xb40
[  210.065144][ T6749]  kobject_init_and_add+0x125/0x190
[  210.065164][ T6749]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.065183][ T6749]  ? __raw_spin_lock_init+0x45/0x100
[  210.065200][ T6749]  ? __init_swait_queue_head+0xa9/0x150
[  210.065216][ T6749]  gfs2_sys_fs_add+0x234/0x450
[  210.065238][ T6749]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.065260][ T6749]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.065284][ T6749]  gfs2_fill_super+0x13c0/0x20d0
[  210.065306][ T6749]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.065324][ T6749]  ? sb_set_blocksize+0x104/0x180
[  210.065344][ T6749]  ? setup_bdev_super+0x4c1/0x5b0
[  210.065365][ T6749]  get_tree_bdev_flags+0x40e/0x4d0
[  210.065383][ T6749]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.065400][ T6749]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.065420][ T6749]  gfs2_get_tree+0x51/0x1e0
[  210.065438][ T6749]  vfs_get_tree+0x92/0x2b0
[  210.065456][ T6749]  do_new_mount+0x2a2/0xa30
[  210.065477][ T6749]  ? ns_capable+0x8a/0xf0
[  210.065498][ T6749]  ? __pfx_do_new_mount+0x10/0x10
[  210.065517][ T6749]  ? path_mount+0x61c/0xfe0
[  210.065535][ T6749]  ? user_path_at+0x44/0x60
[  210.065553][ T6749]  __se_sys_mount+0x317/0x410
[  210.065574][ T6749]  ? __pfx___se_sys_mount+0x10/0x10
[  210.065595][ T6749]  ? rcu_is_watching+0x15/0xb0
[  210.065616][ T6749]  ? __x64_sys_mount+0x20/0xc0
[  210.065636][ T6749]  do_syscall_64+0xfa/0xfa0
[  210.065663][ T6749]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.065680][ T6749]  ? clear_bhb_loop+0x60/0xb0
[  210.065697][ T6749]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.065714][ T6749] RIP: 0033:0x7f4ea959038a
[  210.065730][ T6749] 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
[  210.065746][ T6749] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.065764][ T6749] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  210.065777][ T6749] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  210.065789][ T6749] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  210.065801][ T6749] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  210.065812][ T6749] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  210.065831][ T6749]  </TASK>
[  210.065850][ T6749] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.379442][ T6749] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.586282][ T6752] loop1: detected capacity change from 0 to 32768
[  210.596871][ T6752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.604568][ T6752] CPU: 0 UID: 0 PID: 6752 Comm: syz.1.243 Not tainted syzkaller #0 PREEMPT(full) 
[  210.604588][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.604599][ T6752] Call Trace:
[  210.604606][ T6752]  <TASK>
[  210.604613][ T6752]  dump_stack_lvl+0x189/0x250
[  210.604637][ T6752]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.604656][ T6752]  ? __pfx__printk+0x10/0x10
[  210.604674][ T6752]  ? kernfs_root+0x1c/0x230
[  210.604691][ T6752]  ? kernfs_path_from_node+0x250/0x290
[  210.604706][ T6752]  ? kernfs_path_from_node+0x2f/0x290
[  210.604721][ T6752]  sysfs_create_dir_ns+0x259/0x280
[  210.604744][ T6752]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.604767][ T6752]  ? do_raw_spin_unlock+0x122/0x240
[  210.604786][ T6752]  kobject_add_internal+0x59f/0xb40
[  210.604808][ T6752]  kobject_init_and_add+0x125/0x190
[  210.604829][ T6752]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.604849][ T6752]  ? __raw_spin_lock_init+0x45/0x100
[  210.604866][ T6752]  ? __init_swait_queue_head+0xa9/0x150
[  210.604884][ T6752]  gfs2_sys_fs_add+0x234/0x450
[  210.604906][ T6752]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.604928][ T6752]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.604949][ T6752]  gfs2_fill_super+0x13c0/0x20d0
[  210.604972][ T6752]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.604990][ T6752]  ? sb_set_blocksize+0x104/0x180
[  210.605011][ T6752]  ? setup_bdev_super+0x4c1/0x5b0
[  210.605031][ T6752]  get_tree_bdev_flags+0x40e/0x4d0
[  210.605049][ T6752]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.605065][ T6752]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.605087][ T6752]  gfs2_get_tree+0x51/0x1e0
[  210.605105][ T6752]  vfs_get_tree+0x92/0x2b0
[  210.605124][ T6752]  do_new_mount+0x2a2/0xa30
[  210.605144][ T6752]  ? ns_capable+0x8a/0xf0
[  210.605164][ T6752]  ? __pfx_do_new_mount+0x10/0x10
[  210.605182][ T6752]  ? path_mount+0x61c/0xfe0
[  210.605200][ T6752]  ? user_path_at+0x44/0x60
[  210.605219][ T6752]  __se_sys_mount+0x317/0x410
[  210.605242][ T6752]  ? __pfx___se_sys_mount+0x10/0x10
[  210.605262][ T6752]  ? rcu_is_watching+0x15/0xb0
[  210.605282][ T6752]  ? __x64_sys_mount+0x20/0xc0
[  210.605301][ T6752]  do_syscall_64+0xfa/0xfa0
[  210.605320][ T6752]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.605347][ T6752]  ? clear_bhb_loop+0x60/0xb0
[  210.605364][ T6752]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.605380][ T6752] RIP: 0033:0x7f4ea959038a
[  210.605395][ T6752] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.605410][ T6752] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.605429][ T6752] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  210.605442][ T6752] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  210.605454][ T6752] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  210.605467][ T6752] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  210.605477][ T6752] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  210.605494][ T6752]  </TASK>
[  210.605513][ T6752] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.918801][ T6752] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.130159][ T6755] loop1: detected capacity change from 0 to 32768
[  211.141598][ T6755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.149346][ T6755] CPU: 1 UID: 0 PID: 6755 Comm: syz.1.244 Not tainted syzkaller #0 PREEMPT(full) 
[  211.149369][ T6755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.149381][ T6755] Call Trace:
[  211.149388][ T6755]  <TASK>
[  211.149396][ T6755]  dump_stack_lvl+0x189/0x250
[  211.149422][ T6755]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.149440][ T6755]  ? __pfx__printk+0x10/0x10
[  211.149459][ T6755]  ? kernfs_root+0x1c/0x230
[  211.149477][ T6755]  ? kernfs_path_from_node+0x250/0x290
[  211.149492][ T6755]  ? kernfs_path_from_node+0x2f/0x290
[  211.149508][ T6755]  sysfs_create_dir_ns+0x259/0x280
[  211.149531][ T6755]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.149553][ T6755]  ? do_raw_spin_unlock+0x122/0x240
[  211.149581][ T6755]  kobject_add_internal+0x59f/0xb40
[  211.149603][ T6755]  kobject_init_and_add+0x125/0x190
[  211.149623][ T6755]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.149642][ T6755]  ? __raw_spin_lock_init+0x45/0x100
[  211.149658][ T6755]  ? __init_swait_queue_head+0xa9/0x150
[  211.149675][ T6755]  gfs2_sys_fs_add+0x234/0x450
[  211.149697][ T6755]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.149721][ T6755]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.149742][ T6755]  gfs2_fill_super+0x13c0/0x20d0
[  211.149765][ T6755]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.149784][ T6755]  ? sb_set_blocksize+0x104/0x180
[  211.149806][ T6755]  ? setup_bdev_super+0x4c1/0x5b0
[  211.149826][ T6755]  get_tree_bdev_flags+0x40e/0x4d0
[  211.149845][ T6755]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.149861][ T6755]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.149883][ T6755]  gfs2_get_tree+0x51/0x1e0
[  211.149900][ T6755]  vfs_get_tree+0x92/0x2b0
[  211.149927][ T6755]  do_new_mount+0x2a2/0xa30
[  211.149947][ T6755]  ? ns_capable+0x8a/0xf0
[  211.149967][ T6755]  ? __pfx_do_new_mount+0x10/0x10
[  211.149985][ T6755]  ? path_mount+0x61c/0xfe0
[  211.150003][ T6755]  ? user_path_at+0x44/0x60
[  211.150021][ T6755]  __se_sys_mount+0x317/0x410
[  211.150042][ T6755]  ? __pfx___se_sys_mount+0x10/0x10
[  211.150063][ T6755]  ? rcu_is_watching+0x15/0xb0
[  211.150084][ T6755]  ? __x64_sys_mount+0x20/0xc0
[  211.150103][ T6755]  do_syscall_64+0xfa/0xfa0
[  211.150122][ T6755]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.150139][ T6755]  ? clear_bhb_loop+0x60/0xb0
[  211.150156][ T6755]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.150173][ T6755] RIP: 0033:0x7f4ea959038a
[  211.150189][ T6755] 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
[  211.150205][ T6755] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.150224][ T6755] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  211.150236][ T6755] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  211.150249][ T6755] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  211.150260][ T6755] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  211.150271][ T6755] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  211.150288][ T6755]  </TASK>
[  211.150306][ T6755] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.463516][ T6755] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.662373][ T6758] loop1: detected capacity change from 0 to 32768
[  211.676942][ T6758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.684718][ T6758] CPU: 1 UID: 0 PID: 6758 Comm: syz.1.245 Not tainted syzkaller #0 PREEMPT(full) 
[  211.684740][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.684751][ T6758] Call Trace:
[  211.684758][ T6758]  <TASK>
[  211.684765][ T6758]  dump_stack_lvl+0x189/0x250
[  211.684790][ T6758]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.684809][ T6758]  ? __pfx__printk+0x10/0x10
[  211.684827][ T6758]  ? kernfs_root+0x1c/0x230
[  211.684843][ T6758]  ? kernfs_path_from_node+0x250/0x290
[  211.684858][ T6758]  ? kernfs_path_from_node+0x2f/0x290
[  211.684874][ T6758]  sysfs_create_dir_ns+0x259/0x280
[  211.684897][ T6758]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.684920][ T6758]  ? do_raw_spin_unlock+0x122/0x240
[  211.684939][ T6758]  kobject_add_internal+0x59f/0xb40
[  211.684962][ T6758]  kobject_init_and_add+0x125/0x190
[  211.684983][ T6758]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.685002][ T6758]  ? __raw_spin_lock_init+0x45/0x100
[  211.685020][ T6758]  ? __init_swait_queue_head+0xa9/0x150
[  211.685037][ T6758]  gfs2_sys_fs_add+0x234/0x450
[  211.685059][ T6758]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.685083][ T6758]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.685106][ T6758]  gfs2_fill_super+0x13c0/0x20d0
[  211.685131][ T6758]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.685150][ T6758]  ? sb_set_blocksize+0x104/0x180
[  211.685171][ T6758]  ? setup_bdev_super+0x4c1/0x5b0
[  211.685190][ T6758]  get_tree_bdev_flags+0x40e/0x4d0
[  211.685208][ T6758]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.685226][ T6758]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.685248][ T6758]  gfs2_get_tree+0x51/0x1e0
[  211.685277][ T6758]  vfs_get_tree+0x92/0x2b0
[  211.685295][ T6758]  do_new_mount+0x2a2/0xa30
[  211.685317][ T6758]  ? ns_capable+0x8a/0xf0
[  211.685337][ T6758]  ? __pfx_do_new_mount+0x10/0x10
[  211.685356][ T6758]  ? path_mount+0x61c/0xfe0
[  211.685373][ T6758]  ? user_path_at+0x44/0x60
[  211.685391][ T6758]  __se_sys_mount+0x317/0x410
[  211.685411][ T6758]  ? __pfx___se_sys_mount+0x10/0x10
[  211.685431][ T6758]  ? rcu_is_watching+0x15/0xb0
[  211.685450][ T6758]  ? __x64_sys_mount+0x20/0xc0
[  211.685469][ T6758]  do_syscall_64+0xfa/0xfa0
[  211.685488][ T6758]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.685503][ T6758]  ? clear_bhb_loop+0x60/0xb0
[  211.685519][ T6758]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.685534][ T6758] RIP: 0033:0x7f4ea959038a
[  211.685549][ T6758] 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
[  211.685564][ T6758] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.685583][ T6758] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  211.685596][ T6758] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  211.685609][ T6758] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  211.685621][ T6758] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  211.685632][ T6758] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  211.685650][ T6758]  </TASK>
[  211.685669][ T6758] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.711459][ T5186] Bluetooth: hci1: command 0x0406 tx timeout
[  211.719005][ T6758] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:38:27 executed programs: 231
[  212.209873][ T6761] loop1: detected capacity change from 0 to 32768
[  212.225896][ T6761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.233682][ T6761] CPU: 1 UID: 0 PID: 6761 Comm: syz.1.246 Not tainted syzkaller #0 PREEMPT(full) 
[  212.233705][ T6761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.233716][ T6761] Call Trace:
[  212.233722][ T6761]  <TASK>
[  212.233729][ T6761]  dump_stack_lvl+0x189/0x250
[  212.233755][ T6761]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.233773][ T6761]  ? __pfx__printk+0x10/0x10
[  212.233793][ T6761]  ? kernfs_root+0x1c/0x230
[  212.233811][ T6761]  ? kernfs_path_from_node+0x250/0x290
[  212.233825][ T6761]  ? kernfs_path_from_node+0x2f/0x290
[  212.233841][ T6761]  sysfs_create_dir_ns+0x259/0x280
[  212.233864][ T6761]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.233885][ T6761]  ? do_raw_spin_unlock+0x122/0x240
[  212.233903][ T6761]  kobject_add_internal+0x59f/0xb40
[  212.233925][ T6761]  kobject_init_and_add+0x125/0x190
[  212.233946][ T6761]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.233964][ T6761]  ? __raw_spin_lock_init+0x45/0x100
[  212.233982][ T6761]  ? __init_swait_queue_head+0xa9/0x150
[  212.233998][ T6761]  gfs2_sys_fs_add+0x234/0x450
[  212.234020][ T6761]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.234043][ T6761]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.234066][ T6761]  gfs2_fill_super+0x13c0/0x20d0
[  212.234089][ T6761]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.234107][ T6761]  ? sb_set_blocksize+0x104/0x180
[  212.234127][ T6761]  ? setup_bdev_super+0x4c1/0x5b0
[  212.234147][ T6761]  get_tree_bdev_flags+0x40e/0x4d0
[  212.234165][ T6761]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.234183][ T6761]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.234206][ T6761]  gfs2_get_tree+0x51/0x1e0
[  212.234223][ T6761]  vfs_get_tree+0x92/0x2b0
[  212.234241][ T6761]  do_new_mount+0x2a2/0xa30
[  212.234270][ T6761]  ? ns_capable+0x8a/0xf0
[  212.234290][ T6761]  ? __pfx_do_new_mount+0x10/0x10
[  212.234308][ T6761]  ? path_mount+0x61c/0xfe0
[  212.234325][ T6761]  ? user_path_at+0x44/0x60
[  212.234343][ T6761]  __se_sys_mount+0x317/0x410
[  212.234365][ T6761]  ? __pfx___se_sys_mount+0x10/0x10
[  212.234385][ T6761]  ? rcu_is_watching+0x15/0xb0
[  212.234405][ T6761]  ? __x64_sys_mount+0x20/0xc0
[  212.234426][ T6761]  do_syscall_64+0xfa/0xfa0
[  212.234445][ T6761]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.234460][ T6761]  ? clear_bhb_loop+0x60/0xb0
[  212.234477][ T6761]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.234493][ T6761] RIP: 0033:0x7f4ea959038a
[  212.234509][ T6761] 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
[  212.234523][ T6761] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.234542][ T6761] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  212.234556][ T6761] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  212.234569][ T6761] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  212.234580][ T6761] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  212.234592][ T6761] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  212.234610][ T6761]  </TASK>
[  212.234634][ T6761] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.547552][ T6761] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.760895][ T6764] loop1: detected capacity change from 0 to 32768
[  212.771829][ T6764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.779315][ T6764] CPU: 0 UID: 0 PID: 6764 Comm: syz.1.247 Not tainted syzkaller #0 PREEMPT(full) 
[  212.779337][ T6764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.779348][ T6764] Call Trace:
[  212.779355][ T6764]  <TASK>
[  212.779363][ T6764]  dump_stack_lvl+0x189/0x250
[  212.779386][ T6764]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.779405][ T6764]  ? __pfx__printk+0x10/0x10
[  212.779424][ T6764]  ? kernfs_root+0x1c/0x230
[  212.779442][ T6764]  ? kernfs_path_from_node+0x250/0x290
[  212.779456][ T6764]  ? kernfs_path_from_node+0x2f/0x290
[  212.779473][ T6764]  sysfs_create_dir_ns+0x259/0x280
[  212.779503][ T6764]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.779525][ T6764]  ? do_raw_spin_unlock+0x122/0x240
[  212.779543][ T6764]  kobject_add_internal+0x59f/0xb40
[  212.779565][ T6764]  kobject_init_and_add+0x125/0x190
[  212.779586][ T6764]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.779605][ T6764]  ? __raw_spin_lock_init+0x45/0x100
[  212.779622][ T6764]  ? __init_swait_queue_head+0xa9/0x150
[  212.779639][ T6764]  gfs2_sys_fs_add+0x234/0x450
[  212.779662][ T6764]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.779685][ T6764]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.779709][ T6764]  gfs2_fill_super+0x13c0/0x20d0
[  212.779733][ T6764]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.779750][ T6764]  ? sb_set_blocksize+0x104/0x180
[  212.779771][ T6764]  ? setup_bdev_super+0x4c1/0x5b0
[  212.779791][ T6764]  get_tree_bdev_flags+0x40e/0x4d0
[  212.779810][ T6764]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.779828][ T6764]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.779851][ T6764]  gfs2_get_tree+0x51/0x1e0
[  212.779869][ T6764]  vfs_get_tree+0x92/0x2b0
[  212.779887][ T6764]  do_new_mount+0x2a2/0xa30
[  212.779907][ T6764]  ? ns_capable+0x8a/0xf0
[  212.779927][ T6764]  ? __pfx_do_new_mount+0x10/0x10
[  212.779945][ T6764]  ? path_mount+0x61c/0xfe0
[  212.779962][ T6764]  ? user_path_at+0x44/0x60
[  212.779980][ T6764]  __se_sys_mount+0x317/0x410
[  212.780002][ T6764]  ? __pfx___se_sys_mount+0x10/0x10
[  212.780022][ T6764]  ? rcu_is_watching+0x15/0xb0
[  212.780043][ T6764]  ? __x64_sys_mount+0x20/0xc0
[  212.780063][ T6764]  do_syscall_64+0xfa/0xfa0
[  212.780083][ T6764]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.780099][ T6764]  ? clear_bhb_loop+0x60/0xb0
[  212.780116][ T6764]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.780132][ T6764] RIP: 0033:0x7f4ea959038a
[  212.780148][ T6764] 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
[  212.780163][ T6764] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.780184][ T6764] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  212.780197][ T6764] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  212.780209][ T6764] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  212.780221][ T6764] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  212.780232][ T6764] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  212.780248][ T6764]  </TASK>
[  212.780264][ T6764] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.093371][ T6764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.305590][ T6767] loop1: detected capacity change from 0 to 32768
[  213.324317][ T6767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.332131][ T6767] CPU: 0 UID: 0 PID: 6767 Comm: syz.1.248 Not tainted syzkaller #0 PREEMPT(full) 
[  213.332151][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.332161][ T6767] Call Trace:
[  213.332168][ T6767]  <TASK>
[  213.332175][ T6767]  dump_stack_lvl+0x189/0x250
[  213.332200][ T6767]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.332226][ T6767]  ? __pfx__printk+0x10/0x10
[  213.332243][ T6767]  ? kernfs_root+0x1c/0x230
[  213.332260][ T6767]  ? kernfs_path_from_node+0x250/0x290
[  213.332274][ T6767]  ? kernfs_path_from_node+0x2f/0x290
[  213.332290][ T6767]  sysfs_create_dir_ns+0x259/0x280
[  213.332314][ T6767]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.332336][ T6767]  ? do_raw_spin_unlock+0x122/0x240
[  213.332353][ T6767]  kobject_add_internal+0x59f/0xb40
[  213.332376][ T6767]  kobject_init_and_add+0x125/0x190
[  213.332396][ T6767]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.332415][ T6767]  ? __raw_spin_lock_init+0x45/0x100
[  213.332432][ T6767]  ? __init_swait_queue_head+0xa9/0x150
[  213.332450][ T6767]  gfs2_sys_fs_add+0x234/0x450
[  213.332471][ T6767]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.332493][ T6767]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.332516][ T6767]  gfs2_fill_super+0x13c0/0x20d0
[  213.332540][ T6767]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.332560][ T6767]  ? sb_set_blocksize+0x104/0x180
[  213.332581][ T6767]  ? setup_bdev_super+0x4c1/0x5b0
[  213.332600][ T6767]  get_tree_bdev_flags+0x40e/0x4d0
[  213.332618][ T6767]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.332635][ T6767]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.332657][ T6767]  gfs2_get_tree+0x51/0x1e0
[  213.332675][ T6767]  vfs_get_tree+0x92/0x2b0
[  213.332694][ T6767]  do_new_mount+0x2a2/0xa30
[  213.332714][ T6767]  ? ns_capable+0x8a/0xf0
[  213.332735][ T6767]  ? __pfx_do_new_mount+0x10/0x10
[  213.332754][ T6767]  ? path_mount+0x61c/0xfe0
[  213.332771][ T6767]  ? user_path_at+0x44/0x60
[  213.332791][ T6767]  __se_sys_mount+0x317/0x410
[  213.332812][ T6767]  ? __pfx___se_sys_mount+0x10/0x10
[  213.332832][ T6767]  ? rcu_is_watching+0x15/0xb0
[  213.332852][ T6767]  ? __x64_sys_mount+0x20/0xc0
[  213.332869][ T6767]  do_syscall_64+0xfa/0xfa0
[  213.332887][ T6767]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.332902][ T6767]  ? clear_bhb_loop+0x60/0xb0
[  213.332918][ T6767]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.332932][ T6767] RIP: 0033:0x7f4ea959038a
[  213.332947][ T6767] 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
[  213.332961][ T6767] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.332979][ T6767] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  213.332992][ T6767] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  213.333003][ T6767] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  213.333015][ T6767] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  213.333027][ T6767] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  213.333044][ T6767]  </TASK>
[  213.333068][ T6767] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.646096][ T6767] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.871238][ T6770] loop1: detected capacity change from 0 to 32768
[  213.881796][ T6770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.889279][ T6770] CPU: 0 UID: 0 PID: 6770 Comm: syz.1.249 Not tainted syzkaller #0 PREEMPT(full) 
[  213.889301][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.889312][ T6770] Call Trace:
[  213.889318][ T6770]  <TASK>
[  213.889326][ T6770]  dump_stack_lvl+0x189/0x250
[  213.889351][ T6770]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.889369][ T6770]  ? __pfx__printk+0x10/0x10
[  213.889404][ T6770]  ? kernfs_root+0x1c/0x230
[  213.889421][ T6770]  ? kernfs_path_from_node+0x250/0x290
[  213.889434][ T6770]  ? kernfs_path_from_node+0x2f/0x290
[  213.889450][ T6770]  sysfs_create_dir_ns+0x259/0x280
[  213.889473][ T6770]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.889495][ T6770]  ? do_raw_spin_unlock+0x122/0x240
[  213.889513][ T6770]  kobject_add_internal+0x59f/0xb40
[  213.889536][ T6770]  kobject_init_and_add+0x125/0x190
[  213.889556][ T6770]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.889575][ T6770]  ? __raw_spin_lock_init+0x45/0x100
[  213.889593][ T6770]  ? __init_swait_queue_head+0xa9/0x150
[  213.889611][ T6770]  gfs2_sys_fs_add+0x234/0x450
[  213.889635][ T6770]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.889658][ T6770]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.889680][ T6770]  gfs2_fill_super+0x13c0/0x20d0
[  213.889703][ T6770]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.889721][ T6770]  ? sb_set_blocksize+0x104/0x180
[  213.889741][ T6770]  ? setup_bdev_super+0x4c1/0x5b0
[  213.889761][ T6770]  get_tree_bdev_flags+0x40e/0x4d0
[  213.889779][ T6770]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.889796][ T6770]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.889818][ T6770]  gfs2_get_tree+0x51/0x1e0
[  213.889836][ T6770]  vfs_get_tree+0x92/0x2b0
[  213.889855][ T6770]  do_new_mount+0x2a2/0xa30
[  213.889876][ T6770]  ? ns_capable+0x8a/0xf0
[  213.889897][ T6770]  ? __pfx_do_new_mount+0x10/0x10
[  213.889915][ T6770]  ? path_mount+0x61c/0xfe0
[  213.889933][ T6770]  ? user_path_at+0x44/0x60
[  213.889952][ T6770]  __se_sys_mount+0x317/0x410
[  213.889974][ T6770]  ? __pfx___se_sys_mount+0x10/0x10
[  213.889996][ T6770]  ? rcu_is_watching+0x15/0xb0
[  213.890016][ T6770]  ? __x64_sys_mount+0x20/0xc0
[  213.890036][ T6770]  do_syscall_64+0xfa/0xfa0
[  213.890055][ T6770]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.890070][ T6770]  ? clear_bhb_loop+0x60/0xb0
[  213.890086][ T6770]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.890103][ T6770] RIP: 0033:0x7f4ea959038a
[  213.890118][ T6770] 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
[  213.890132][ T6770] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.890150][ T6770] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  213.890163][ T6770] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  213.890175][ T6770] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  213.890186][ T6770] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  213.890198][ T6770] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  213.890218][ T6770]  </TASK>
[  213.890236][ T6770] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.203439][ T6770] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.416709][ T6773] loop1: detected capacity change from 0 to 32768
[  214.427532][ T6773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.435178][ T6773] CPU: 0 UID: 0 PID: 6773 Comm: syz.1.250 Not tainted syzkaller #0 PREEMPT(full) 
[  214.435202][ T6773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.435213][ T6773] Call Trace:
[  214.435220][ T6773]  <TASK>
[  214.435227][ T6773]  dump_stack_lvl+0x189/0x250
[  214.435252][ T6773]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.435269][ T6773]  ? __pfx__printk+0x10/0x10
[  214.435288][ T6773]  ? kernfs_root+0x1c/0x230
[  214.435304][ T6773]  ? kernfs_path_from_node+0x250/0x290
[  214.435318][ T6773]  ? kernfs_path_from_node+0x2f/0x290
[  214.435334][ T6773]  sysfs_create_dir_ns+0x259/0x280
[  214.435366][ T6773]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.435389][ T6773]  ? do_raw_spin_unlock+0x122/0x240
[  214.435407][ T6773]  kobject_add_internal+0x59f/0xb40
[  214.435430][ T6773]  kobject_init_and_add+0x125/0x190
[  214.435452][ T6773]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.435470][ T6773]  ? __raw_spin_lock_init+0x45/0x100
[  214.435487][ T6773]  ? __init_swait_queue_head+0xa9/0x150
[  214.435504][ T6773]  gfs2_sys_fs_add+0x234/0x450
[  214.435528][ T6773]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.435551][ T6773]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.435575][ T6773]  gfs2_fill_super+0x13c0/0x20d0
[  214.435597][ T6773]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.435615][ T6773]  ? sb_set_blocksize+0x104/0x180
[  214.435636][ T6773]  ? setup_bdev_super+0x4c1/0x5b0
[  214.435654][ T6773]  get_tree_bdev_flags+0x40e/0x4d0
[  214.435672][ T6773]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.435689][ T6773]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.435711][ T6773]  gfs2_get_tree+0x51/0x1e0
[  214.435729][ T6773]  vfs_get_tree+0x92/0x2b0
[  214.435747][ T6773]  do_new_mount+0x2a2/0xa30
[  214.435768][ T6773]  ? ns_capable+0x8a/0xf0
[  214.435789][ T6773]  ? __pfx_do_new_mount+0x10/0x10
[  214.435808][ T6773]  ? path_mount+0x61c/0xfe0
[  214.435824][ T6773]  ? user_path_at+0x44/0x60
[  214.435842][ T6773]  __se_sys_mount+0x317/0x410
[  214.435864][ T6773]  ? __pfx___se_sys_mount+0x10/0x10
[  214.435885][ T6773]  ? rcu_is_watching+0x15/0xb0
[  214.435907][ T6773]  ? __x64_sys_mount+0x20/0xc0
[  214.435927][ T6773]  do_syscall_64+0xfa/0xfa0
[  214.435947][ T6773]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.435962][ T6773]  ? clear_bhb_loop+0x60/0xb0
[  214.435979][ T6773]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.435996][ T6773] RIP: 0033:0x7f4ea959038a
[  214.436011][ T6773] 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
[  214.436025][ T6773] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.436045][ T6773] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  214.436057][ T6773] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  214.436070][ T6773] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  214.436082][ T6773] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  214.436094][ T6773] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  214.436110][ T6773]  </TASK>
[  214.436128][ T6773] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.750075][ T6773] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.956106][ T6776] loop1: detected capacity change from 0 to 32768
[  214.970605][ T6776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.978421][ T6776] CPU: 1 UID: 0 PID: 6776 Comm: syz.1.251 Not tainted syzkaller #0 PREEMPT(full) 
[  214.978441][ T6776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.978450][ T6776] Call Trace:
[  214.978456][ T6776]  <TASK>
[  214.978463][ T6776]  dump_stack_lvl+0x189/0x250
[  214.978487][ T6776]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.978505][ T6776]  ? __pfx__printk+0x10/0x10
[  214.978522][ T6776]  ? kernfs_root+0x1c/0x230
[  214.978539][ T6776]  ? kernfs_path_from_node+0x250/0x290
[  214.978552][ T6776]  ? kernfs_path_from_node+0x2f/0x290
[  214.978568][ T6776]  sysfs_create_dir_ns+0x259/0x280
[  214.978591][ T6776]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.978613][ T6776]  ? do_raw_spin_unlock+0x122/0x240
[  214.978631][ T6776]  kobject_add_internal+0x59f/0xb40
[  214.978652][ T6776]  kobject_init_and_add+0x125/0x190
[  214.978672][ T6776]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.978690][ T6776]  ? __raw_spin_lock_init+0x45/0x100
[  214.978706][ T6776]  ? __init_swait_queue_head+0xa9/0x150
[  214.978722][ T6776]  gfs2_sys_fs_add+0x234/0x450
[  214.978743][ T6776]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.978765][ T6776]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.978786][ T6776]  gfs2_fill_super+0x13c0/0x20d0
[  214.978807][ T6776]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.978826][ T6776]  ? sb_set_blocksize+0x104/0x180
[  214.978847][ T6776]  ? setup_bdev_super+0x4c1/0x5b0
[  214.978867][ T6776]  get_tree_bdev_flags+0x40e/0x4d0
[  214.978884][ T6776]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.978899][ T6776]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.978920][ T6776]  gfs2_get_tree+0x51/0x1e0
[  214.978937][ T6776]  vfs_get_tree+0x92/0x2b0
[  214.978955][ T6776]  do_new_mount+0x2a2/0xa30
[  214.978973][ T6776]  ? ns_capable+0x8a/0xf0
[  214.978993][ T6776]  ? __pfx_do_new_mount+0x10/0x10
[  214.979010][ T6776]  ? path_mount+0x61c/0xfe0
[  214.979027][ T6776]  ? user_path_at+0x44/0x60
[  214.979045][ T6776]  __se_sys_mount+0x317/0x410
[  214.979066][ T6776]  ? __pfx___se_sys_mount+0x10/0x10
[  214.979086][ T6776]  ? rcu_is_watching+0x15/0xb0
[  214.979106][ T6776]  ? __x64_sys_mount+0x20/0xc0
[  214.979125][ T6776]  do_syscall_64+0xfa/0xfa0
[  214.979144][ T6776]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.979160][ T6776]  ? clear_bhb_loop+0x60/0xb0
[  214.979178][ T6776]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.979193][ T6776] RIP: 0033:0x7f4ea959038a
[  214.979208][ T6776] 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
[  214.979223][ T6776] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.979243][ T6776] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  214.979256][ T6776] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  214.979269][ T6776] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  214.979281][ T6776] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  214.979293][ T6776] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  214.979311][ T6776]  </TASK>
[  214.979329][ T6776] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.292531][ T6776] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.498256][ T6779] loop1: detected capacity change from 0 to 32768
[  215.512911][ T6779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.520454][ T6779] CPU: 1 UID: 0 PID: 6779 Comm: syz.1.252 Not tainted syzkaller #0 PREEMPT(full) 
[  215.520478][ T6779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.520489][ T6779] Call Trace:
[  215.520496][ T6779]  <TASK>
[  215.520504][ T6779]  dump_stack_lvl+0x189/0x250
[  215.520528][ T6779]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.520547][ T6779]  ? __pfx__printk+0x10/0x10
[  215.520566][ T6779]  ? kernfs_root+0x1c/0x230
[  215.520584][ T6779]  ? kernfs_path_from_node+0x250/0x290
[  215.520598][ T6779]  ? kernfs_path_from_node+0x2f/0x290
[  215.520615][ T6779]  sysfs_create_dir_ns+0x259/0x280
[  215.520638][ T6779]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.520661][ T6779]  ? do_raw_spin_unlock+0x122/0x240
[  215.520680][ T6779]  kobject_add_internal+0x59f/0xb40
[  215.520704][ T6779]  kobject_init_and_add+0x125/0x190
[  215.520725][ T6779]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.520744][ T6779]  ? __raw_spin_lock_init+0x45/0x100
[  215.520762][ T6779]  ? __init_swait_queue_head+0xa9/0x150
[  215.520779][ T6779]  gfs2_sys_fs_add+0x234/0x450
[  215.520802][ T6779]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.520826][ T6779]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.520848][ T6779]  gfs2_fill_super+0x13c0/0x20d0
[  215.520870][ T6779]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.520889][ T6779]  ? sb_set_blocksize+0x104/0x180
[  215.520910][ T6779]  ? setup_bdev_super+0x4c1/0x5b0
[  215.520929][ T6779]  get_tree_bdev_flags+0x40e/0x4d0
[  215.520946][ T6779]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.520963][ T6779]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.520984][ T6779]  gfs2_get_tree+0x51/0x1e0
[  215.521002][ T6779]  vfs_get_tree+0x92/0x2b0
[  215.521021][ T6779]  do_new_mount+0x2a2/0xa30
[  215.521042][ T6779]  ? ns_capable+0x8a/0xf0
[  215.521064][ T6779]  ? __pfx_do_new_mount+0x10/0x10
[  215.521081][ T6779]  ? path_mount+0x61c/0xfe0
[  215.521098][ T6779]  ? user_path_at+0x44/0x60
[  215.521115][ T6779]  __se_sys_mount+0x317/0x410
[  215.521137][ T6779]  ? __pfx___se_sys_mount+0x10/0x10
[  215.521159][ T6779]  ? rcu_is_watching+0x15/0xb0
[  215.521179][ T6779]  ? __x64_sys_mount+0x20/0xc0
[  215.521198][ T6779]  do_syscall_64+0xfa/0xfa0
[  215.521224][ T6779]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.521242][ T6779]  ? clear_bhb_loop+0x60/0xb0
[  215.521260][ T6779]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.521277][ T6779] RIP: 0033:0x7f4ea959038a
[  215.521293][ T6779] 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
[  215.521307][ T6779] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.521325][ T6779] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  215.521337][ T6779] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  215.521349][ T6779] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  215.521360][ T6779] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  215.521371][ T6779] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  215.521389][ T6779]  </TASK>
[  215.521407][ T6779] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.834422][ T6779] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.045454][ T6782] loop1: detected capacity change from 0 to 32768
[  216.056999][ T6782] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.064802][ T6782] CPU: 1 UID: 0 PID: 6782 Comm: syz.1.253 Not tainted syzkaller #0 PREEMPT(full) 
[  216.064826][ T6782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.064836][ T6782] Call Trace:
[  216.064842][ T6782]  <TASK>
[  216.064850][ T6782]  dump_stack_lvl+0x189/0x250
[  216.064875][ T6782]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.064893][ T6782]  ? __pfx__printk+0x10/0x10
[  216.064912][ T6782]  ? kernfs_root+0x1c/0x230
[  216.064928][ T6782]  ? kernfs_path_from_node+0x250/0x290
[  216.064941][ T6782]  ? kernfs_path_from_node+0x2f/0x290
[  216.064957][ T6782]  sysfs_create_dir_ns+0x259/0x280
[  216.064981][ T6782]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.065003][ T6782]  ? do_raw_spin_unlock+0x122/0x240
[  216.065021][ T6782]  kobject_add_internal+0x59f/0xb40
[  216.065044][ T6782]  kobject_init_and_add+0x125/0x190
[  216.065065][ T6782]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.065085][ T6782]  ? __raw_spin_lock_init+0x45/0x100
[  216.065100][ T6782]  ? __init_swait_queue_head+0xa9/0x150
[  216.065117][ T6782]  gfs2_sys_fs_add+0x234/0x450
[  216.065139][ T6782]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.065164][ T6782]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.065197][ T6782]  gfs2_fill_super+0x13c0/0x20d0
[  216.065220][ T6782]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.065239][ T6782]  ? sb_set_blocksize+0x104/0x180
[  216.065260][ T6782]  ? setup_bdev_super+0x4c1/0x5b0
[  216.065280][ T6782]  get_tree_bdev_flags+0x40e/0x4d0
[  216.065299][ T6782]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.065315][ T6782]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.065336][ T6782]  gfs2_get_tree+0x51/0x1e0
[  216.065354][ T6782]  vfs_get_tree+0x92/0x2b0
[  216.065374][ T6782]  do_new_mount+0x2a2/0xa30
[  216.065395][ T6782]  ? ns_capable+0x8a/0xf0
[  216.065416][ T6782]  ? __pfx_do_new_mount+0x10/0x10
[  216.065434][ T6782]  ? path_mount+0x61c/0xfe0
[  216.065451][ T6782]  ? user_path_at+0x44/0x60
[  216.065469][ T6782]  __se_sys_mount+0x317/0x410
[  216.065491][ T6782]  ? __pfx___se_sys_mount+0x10/0x10
[  216.065512][ T6782]  ? rcu_is_watching+0x15/0xb0
[  216.065531][ T6782]  ? __x64_sys_mount+0x20/0xc0
[  216.065551][ T6782]  do_syscall_64+0xfa/0xfa0
[  216.065570][ T6782]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.065587][ T6782]  ? clear_bhb_loop+0x60/0xb0
[  216.065605][ T6782]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.065622][ T6782] RIP: 0033:0x7f4ea959038a
[  216.065639][ T6782] 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
[  216.065654][ T6782] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.065672][ T6782] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  216.065685][ T6782] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  216.065696][ T6782] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  216.065708][ T6782] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  216.065718][ T6782] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  216.065736][ T6782]  </TASK>
[  216.065754][ T6782] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.380765][ T6782] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.588932][ T6785] loop1: detected capacity change from 0 to 32768
[  216.600019][ T6785] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.607430][ T6785] CPU: 1 UID: 0 PID: 6785 Comm: syz.1.254 Not tainted syzkaller #0 PREEMPT(full) 
[  216.607452][ T6785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.607463][ T6785] Call Trace:
[  216.607470][ T6785]  <TASK>
[  216.607478][ T6785]  dump_stack_lvl+0x189/0x250
[  216.607502][ T6785]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.607521][ T6785]  ? __pfx__printk+0x10/0x10
[  216.607541][ T6785]  ? kernfs_root+0x1c/0x230
[  216.607557][ T6785]  ? kernfs_path_from_node+0x250/0x290
[  216.607571][ T6785]  ? kernfs_path_from_node+0x2f/0x290
[  216.607587][ T6785]  sysfs_create_dir_ns+0x259/0x280
[  216.607609][ T6785]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.607631][ T6785]  ? do_raw_spin_unlock+0x122/0x240
[  216.607649][ T6785]  kobject_add_internal+0x59f/0xb40
[  216.607672][ T6785]  kobject_init_and_add+0x125/0x190
[  216.607694][ T6785]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.607713][ T6785]  ? __raw_spin_lock_init+0x45/0x100
[  216.607729][ T6785]  ? __init_swait_queue_head+0xa9/0x150
[  216.607746][ T6785]  gfs2_sys_fs_add+0x234/0x450
[  216.607769][ T6785]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.607791][ T6785]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.607814][ T6785]  gfs2_fill_super+0x13c0/0x20d0
[  216.607836][ T6785]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.607856][ T6785]  ? sb_set_blocksize+0x104/0x180
[  216.607879][ T6785]  ? setup_bdev_super+0x4c1/0x5b0
[  216.607897][ T6785]  get_tree_bdev_flags+0x40e/0x4d0
[  216.607923][ T6785]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.607940][ T6785]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.607962][ T6785]  gfs2_get_tree+0x51/0x1e0
[  216.607980][ T6785]  vfs_get_tree+0x92/0x2b0
[  216.607997][ T6785]  do_new_mount+0x2a2/0xa30
[  216.608017][ T6785]  ? ns_capable+0x8a/0xf0
[  216.608037][ T6785]  ? __pfx_do_new_mount+0x10/0x10
[  216.608056][ T6785]  ? path_mount+0x61c/0xfe0
[  216.608073][ T6785]  ? user_path_at+0x44/0x60
[  216.608090][ T6785]  __se_sys_mount+0x317/0x410
[  216.608112][ T6785]  ? __pfx___se_sys_mount+0x10/0x10
[  216.608132][ T6785]  ? rcu_is_watching+0x15/0xb0
[  216.608154][ T6785]  ? __x64_sys_mount+0x20/0xc0
[  216.608174][ T6785]  do_syscall_64+0xfa/0xfa0
[  216.608192][ T6785]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.608208][ T6785]  ? clear_bhb_loop+0x60/0xb0
[  216.608225][ T6785]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.608241][ T6785] RIP: 0033:0x7f4ea959038a
[  216.608257][ T6785] 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
[  216.608273][ T6785] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.608294][ T6785] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  216.608307][ T6785] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  216.608318][ T6785] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  216.608330][ T6785] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  216.608341][ T6785] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  216.608359][ T6785]  </TASK>
[  216.906729][ T6785] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.920682][ T6785] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.128734][ T6788] loop1: detected capacity change from 0 to 32768
[  217.161084][ T6788] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.168870][ T6788] CPU: 1 UID: 0 PID: 6788 Comm: syz.1.255 Not tainted syzkaller #0 PREEMPT(full) 
[  217.168893][ T6788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.168903][ T6788] Call Trace:
[  217.168919][ T6788]  <TASK>
[  217.168927][ T6788]  dump_stack_lvl+0x189/0x250
[  217.168950][ T6788]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.168968][ T6788]  ? __pfx__printk+0x10/0x10
[  217.168986][ T6788]  ? kernfs_root+0x1c/0x230
[  217.169003][ T6788]  ? kernfs_path_from_node+0x250/0x290
[  217.169017][ T6788]  ? kernfs_path_from_node+0x2f/0x290
[  217.169033][ T6788]  sysfs_create_dir_ns+0x259/0x280
[  217.169056][ T6788]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.169077][ T6788]  ? do_raw_spin_unlock+0x122/0x240
[  217.169096][ T6788]  kobject_add_internal+0x59f/0xb40
[  217.169121][ T6788]  kobject_init_and_add+0x125/0x190
[  217.169142][ T6788]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.169160][ T6788]  ? __raw_spin_lock_init+0x45/0x100
[  217.169177][ T6788]  ? __init_swait_queue_head+0xa9/0x150
[  217.169193][ T6788]  gfs2_sys_fs_add+0x234/0x450
[  217.169215][ T6788]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.169238][ T6788]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.169259][ T6788]  gfs2_fill_super+0x13c0/0x20d0
[  217.169279][ T6788]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.169296][ T6788]  ? sb_set_blocksize+0x104/0x180
[  217.169316][ T6788]  ? setup_bdev_super+0x4c1/0x5b0
[  217.169334][ T6788]  get_tree_bdev_flags+0x40e/0x4d0
[  217.169351][ T6788]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.169368][ T6788]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.169390][ T6788]  gfs2_get_tree+0x51/0x1e0
[  217.169408][ T6788]  vfs_get_tree+0x92/0x2b0
[  217.169427][ T6788]  do_new_mount+0x2a2/0xa30
[  217.169448][ T6788]  ? ns_capable+0x8a/0xf0
[  217.169468][ T6788]  ? __pfx_do_new_mount+0x10/0x10
[  217.169487][ T6788]  ? path_mount+0x61c/0xfe0
[  217.169504][ T6788]  ? user_path_at+0x44/0x60
[  217.169522][ T6788]  __se_sys_mount+0x317/0x410
[  217.169544][ T6788]  ? __pfx___se_sys_mount+0x10/0x10
[  217.169565][ T6788]  ? rcu_is_watching+0x15/0xb0
[  217.169587][ T6788]  ? __x64_sys_mount+0x20/0xc0
[  217.169607][ T6788]  do_syscall_64+0xfa/0xfa0
[  217.169626][ T6788]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.169642][ T6788]  ? clear_bhb_loop+0x60/0xb0
[  217.169659][ T6788]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.169676][ T6788] RIP: 0033:0x7f4ea959038a
[  217.169691][ T6788] 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
[  217.169705][ T6788] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.169724][ T6788] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  217.169736][ T6788] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  217.169748][ T6788] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  217.169760][ T6788] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  217.169772][ T6788] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  217.169791][ T6788]  </TASK>
[  217.169808][ T6788] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.484926][ T6788] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:38:33 executed programs: 241
[  217.686892][ T6791] loop1: detected capacity change from 0 to 32768
[  217.699227][ T6791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.706647][ T6791] CPU: 1 UID: 0 PID: 6791 Comm: syz.1.256 Not tainted syzkaller #0 PREEMPT(full) 
[  217.706670][ T6791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.706681][ T6791] Call Trace:
[  217.706688][ T6791]  <TASK>
[  217.706695][ T6791]  dump_stack_lvl+0x189/0x250
[  217.706719][ T6791]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.706738][ T6791]  ? __pfx__printk+0x10/0x10
[  217.706757][ T6791]  ? kernfs_root+0x1c/0x230
[  217.706773][ T6791]  ? kernfs_path_from_node+0x250/0x290
[  217.706788][ T6791]  ? kernfs_path_from_node+0x2f/0x290
[  217.706803][ T6791]  sysfs_create_dir_ns+0x259/0x280
[  217.706826][ T6791]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.706848][ T6791]  ? do_raw_spin_unlock+0x122/0x240
[  217.706867][ T6791]  kobject_add_internal+0x59f/0xb40
[  217.706890][ T6791]  kobject_init_and_add+0x125/0x190
[  217.706911][ T6791]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.706930][ T6791]  ? __raw_spin_lock_init+0x45/0x100
[  217.706947][ T6791]  ? __init_swait_queue_head+0xa9/0x150
[  217.706965][ T6791]  gfs2_sys_fs_add+0x234/0x450
[  217.706996][ T6791]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.707019][ T6791]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.707050][ T6791]  gfs2_fill_super+0x13c0/0x20d0
[  217.707072][ T6791]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.707100][ T6791]  ? sb_set_blocksize+0x104/0x180
[  217.707121][ T6791]  ? setup_bdev_super+0x4c1/0x5b0
[  217.707145][ T6791]  get_tree_bdev_flags+0x40e/0x4d0
[  217.707163][ T6791]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.707180][ T6791]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.707202][ T6791]  gfs2_get_tree+0x51/0x1e0
[  217.707221][ T6791]  vfs_get_tree+0x92/0x2b0
[  217.707240][ T6791]  do_new_mount+0x2a2/0xa30
[  217.707257][ T6791]  ? ns_capable+0x8a/0xf0
[  217.707276][ T6791]  ? __pfx_do_new_mount+0x10/0x10
[  217.707293][ T6791]  ? path_mount+0x61c/0xfe0
[  217.707309][ T6791]  ? user_path_at+0x44/0x60
[  217.707328][ T6791]  __se_sys_mount+0x317/0x410
[  217.707351][ T6791]  ? __pfx___se_sys_mount+0x10/0x10
[  217.707372][ T6791]  ? rcu_is_watching+0x15/0xb0
[  217.707393][ T6791]  ? __x64_sys_mount+0x20/0xc0
[  217.707412][ T6791]  do_syscall_64+0xfa/0xfa0
[  217.707431][ T6791]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.707446][ T6791]  ? clear_bhb_loop+0x60/0xb0
[  217.707463][ T6791]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.707477][ T6791] RIP: 0033:0x7f4ea959038a
[  217.707493][ T6791] 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
[  217.707508][ T6791] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.707527][ T6791] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  217.707540][ T6791] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  217.707552][ T6791] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  217.707564][ T6791] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  217.707575][ T6791] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  217.707594][ T6791]  </TASK>
[  217.707614][ T6791] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.021897][ T6791] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.233751][ T6794] loop1: detected capacity change from 0 to 32768
[  218.255598][ T6794] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.263209][ T6794] CPU: 1 UID: 0 PID: 6794 Comm: syz.1.257 Not tainted syzkaller #0 PREEMPT(full) 
[  218.263233][ T6794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.263242][ T6794] Call Trace:
[  218.263248][ T6794]  <TASK>
[  218.263254][ T6794]  dump_stack_lvl+0x189/0x250
[  218.263276][ T6794]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.263291][ T6794]  ? __pfx__printk+0x10/0x10
[  218.263307][ T6794]  ? kernfs_root+0x1c/0x230
[  218.263320][ T6794]  ? kernfs_path_from_node+0x250/0x290
[  218.263331][ T6794]  ? kernfs_path_from_node+0x2f/0x290
[  218.263344][ T6794]  sysfs_create_dir_ns+0x259/0x280
[  218.263363][ T6794]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.263382][ T6794]  ? do_raw_spin_unlock+0x122/0x240
[  218.263396][ T6794]  kobject_add_internal+0x59f/0xb40
[  218.263416][ T6794]  kobject_init_and_add+0x125/0x190
[  218.263433][ T6794]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.263448][ T6794]  ? __raw_spin_lock_init+0x45/0x100
[  218.263462][ T6794]  ? __init_swait_queue_head+0xa9/0x150
[  218.263476][ T6794]  gfs2_sys_fs_add+0x234/0x450
[  218.263494][ T6794]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.263514][ T6794]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.263532][ T6794]  gfs2_fill_super+0x13c0/0x20d0
[  218.263551][ T6794]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.263566][ T6794]  ? sb_set_blocksize+0x104/0x180
[  218.263584][ T6794]  ? setup_bdev_super+0x4c1/0x5b0
[  218.263604][ T6794]  get_tree_bdev_flags+0x40e/0x4d0
[  218.263619][ T6794]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.263632][ T6794]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.263650][ T6794]  gfs2_get_tree+0x51/0x1e0
[  218.263665][ T6794]  vfs_get_tree+0x92/0x2b0
[  218.263680][ T6794]  do_new_mount+0x2a2/0xa30
[  218.263696][ T6794]  ? ns_capable+0x8a/0xf0
[  218.263714][ T6794]  ? __pfx_do_new_mount+0x10/0x10
[  218.263729][ T6794]  ? path_mount+0x61c/0xfe0
[  218.263743][ T6794]  ? user_path_at+0x44/0x60
[  218.263764][ T6794]  __se_sys_mount+0x317/0x410
[  218.263782][ T6794]  ? __pfx___se_sys_mount+0x10/0x10
[  218.263799][ T6794]  ? rcu_is_watching+0x15/0xb0
[  218.263817][ T6794]  ? __x64_sys_mount+0x20/0xc0
[  218.263833][ T6794]  do_syscall_64+0xfa/0xfa0
[  218.263848][ T6794]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.263861][ T6794]  ? clear_bhb_loop+0x60/0xb0
[  218.263875][ T6794]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.263888][ T6794] RIP: 0033:0x7f4ea959038a
[  218.263901][ T6794] 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
[  218.263913][ T6794] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.263929][ T6794] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  218.263939][ T6794] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  218.263949][ T6794] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  218.263959][ T6794] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  218.263968][ T6794] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  218.263983][ T6794]  </TASK>
[  218.264022][ T6794] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.579310][ T6794] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.782417][ T6797] loop1: detected capacity change from 0 to 32768
[  218.803574][ T6797] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.811423][ T6797] CPU: 0 UID: 0 PID: 6797 Comm: syz.1.258 Not tainted syzkaller #0 PREEMPT(full) 
[  218.811448][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.811459][ T6797] Call Trace:
[  218.811467][ T6797]  <TASK>
[  218.811474][ T6797]  dump_stack_lvl+0x189/0x250
[  218.811499][ T6797]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.811518][ T6797]  ? __pfx__printk+0x10/0x10
[  218.811537][ T6797]  ? kernfs_root+0x1c/0x230
[  218.811555][ T6797]  ? kernfs_path_from_node+0x250/0x290
[  218.811569][ T6797]  ? kernfs_path_from_node+0x2f/0x290
[  218.811584][ T6797]  sysfs_create_dir_ns+0x259/0x280
[  218.811607][ T6797]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.811630][ T6797]  ? do_raw_spin_unlock+0x122/0x240
[  218.811654][ T6797]  kobject_add_internal+0x59f/0xb40
[  218.811679][ T6797]  kobject_init_and_add+0x125/0x190
[  218.811701][ T6797]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.811731][ T6797]  ? __raw_spin_lock_init+0x45/0x100
[  218.811748][ T6797]  ? __init_swait_queue_head+0xa9/0x150
[  218.811766][ T6797]  gfs2_sys_fs_add+0x234/0x450
[  218.811788][ T6797]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.811812][ T6797]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.811834][ T6797]  gfs2_fill_super+0x13c0/0x20d0
[  218.811852][ T6797]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.811870][ T6797]  ? sb_set_blocksize+0x104/0x180
[  218.811888][ T6797]  ? setup_bdev_super+0x4c1/0x5b0
[  218.811907][ T6797]  get_tree_bdev_flags+0x40e/0x4d0
[  218.811923][ T6797]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.811938][ T6797]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.811956][ T6797]  gfs2_get_tree+0x51/0x1e0
[  218.811973][ T6797]  vfs_get_tree+0x92/0x2b0
[  218.811989][ T6797]  do_new_mount+0x2a2/0xa30
[  218.812007][ T6797]  ? ns_capable+0x8a/0xf0
[  218.812025][ T6797]  ? __pfx_do_new_mount+0x10/0x10
[  218.812041][ T6797]  ? path_mount+0x61c/0xfe0
[  218.812055][ T6797]  ? user_path_at+0x44/0x60
[  218.812071][ T6797]  __se_sys_mount+0x317/0x410
[  218.812092][ T6797]  ? __pfx___se_sys_mount+0x10/0x10
[  218.812113][ T6797]  ? rcu_is_watching+0x15/0xb0
[  218.812132][ T6797]  ? __x64_sys_mount+0x20/0xc0
[  218.812149][ T6797]  do_syscall_64+0xfa/0xfa0
[  218.812165][ T6797]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.812179][ T6797]  ? clear_bhb_loop+0x60/0xb0
[  218.812195][ T6797]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.812211][ T6797] RIP: 0033:0x7f4ea959038a
[  218.812227][ T6797] 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
[  218.812242][ T6797] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.812261][ T6797] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  218.812273][ T6797] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  218.812284][ T6797] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  218.812295][ T6797] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  218.812304][ T6797] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  218.812321][ T6797]  </TASK>
[  218.812338][ T6797] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.126927][ T6797] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.335618][ T6800] loop1: detected capacity change from 0 to 32768
[  219.346770][ T6800] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.355115][ T6800] CPU: 1 UID: 0 PID: 6800 Comm: syz.1.259 Not tainted syzkaller #0 PREEMPT(full) 
[  219.355136][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.355147][ T6800] Call Trace:
[  219.355153][ T6800]  <TASK>
[  219.355161][ T6800]  dump_stack_lvl+0x189/0x250
[  219.355184][ T6800]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.355202][ T6800]  ? __pfx__printk+0x10/0x10
[  219.355222][ T6800]  ? kernfs_root+0x1c/0x230
[  219.355238][ T6800]  ? kernfs_path_from_node+0x250/0x290
[  219.355252][ T6800]  ? kernfs_path_from_node+0x2f/0x290
[  219.355268][ T6800]  sysfs_create_dir_ns+0x259/0x280
[  219.355290][ T6800]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.355312][ T6800]  ? do_raw_spin_unlock+0x122/0x240
[  219.355331][ T6800]  kobject_add_internal+0x59f/0xb40
[  219.355353][ T6800]  kobject_init_and_add+0x125/0x190
[  219.355374][ T6800]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.355393][ T6800]  ? __raw_spin_lock_init+0x45/0x100
[  219.355411][ T6800]  ? __init_swait_queue_head+0xa9/0x150
[  219.355429][ T6800]  gfs2_sys_fs_add+0x234/0x450
[  219.355451][ T6800]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.355474][ T6800]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.355496][ T6800]  gfs2_fill_super+0x13c0/0x20d0
[  219.355518][ T6800]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.355536][ T6800]  ? sb_set_blocksize+0x104/0x180
[  219.355557][ T6800]  ? setup_bdev_super+0x4c1/0x5b0
[  219.355577][ T6800]  get_tree_bdev_flags+0x40e/0x4d0
[  219.355594][ T6800]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.355609][ T6800]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.355631][ T6800]  gfs2_get_tree+0x51/0x1e0
[  219.355648][ T6800]  vfs_get_tree+0x92/0x2b0
[  219.355666][ T6800]  do_new_mount+0x2a2/0xa30
[  219.355687][ T6800]  ? ns_capable+0x8a/0xf0
[  219.355708][ T6800]  ? __pfx_do_new_mount+0x10/0x10
[  219.355724][ T6800]  ? path_mount+0x61c/0xfe0
[  219.355741][ T6800]  ? user_path_at+0x44/0x60
[  219.355760][ T6800]  __se_sys_mount+0x317/0x410
[  219.355782][ T6800]  ? __pfx___se_sys_mount+0x10/0x10
[  219.355803][ T6800]  ? rcu_is_watching+0x15/0xb0
[  219.355824][ T6800]  ? __x64_sys_mount+0x20/0xc0
[  219.355843][ T6800]  do_syscall_64+0xfa/0xfa0
[  219.355863][ T6800]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.355879][ T6800]  ? clear_bhb_loop+0x60/0xb0
[  219.355895][ T6800]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.355909][ T6800] RIP: 0033:0x7f4ea959038a
[  219.355923][ T6800] 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
[  219.355937][ T6800] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.355955][ T6800] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  219.355968][ T6800] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  219.355980][ T6800] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  219.355991][ T6800] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  219.356003][ T6800] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  219.356021][ T6800]  </TASK>
[  219.356073][ T6800] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.670457][ T6800] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.885118][ T6803] loop1: detected capacity change from 0 to 32768
[  219.901629][ T6803] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.909166][ T6803] CPU: 1 UID: 0 PID: 6803 Comm: syz.1.260 Not tainted syzkaller #0 PREEMPT(full) 
[  219.909191][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.909202][ T6803] Call Trace:
[  219.909209][ T6803]  <TASK>
[  219.909217][ T6803]  dump_stack_lvl+0x189/0x250
[  219.909242][ T6803]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.909261][ T6803]  ? __pfx__printk+0x10/0x10
[  219.909279][ T6803]  ? kernfs_root+0x1c/0x230
[  219.909296][ T6803]  ? kernfs_path_from_node+0x250/0x290
[  219.909310][ T6803]  ? kernfs_path_from_node+0x2f/0x290
[  219.909325][ T6803]  sysfs_create_dir_ns+0x259/0x280
[  219.909347][ T6803]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.909369][ T6803]  ? do_raw_spin_unlock+0x122/0x240
[  219.909388][ T6803]  kobject_add_internal+0x59f/0xb40
[  219.909411][ T6803]  kobject_init_and_add+0x125/0x190
[  219.909432][ T6803]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.909451][ T6803]  ? __raw_spin_lock_init+0x45/0x100
[  219.909468][ T6803]  ? __init_swait_queue_head+0xa9/0x150
[  219.909485][ T6803]  gfs2_sys_fs_add+0x234/0x450
[  219.909508][ T6803]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.909531][ T6803]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.909552][ T6803]  gfs2_fill_super+0x13c0/0x20d0
[  219.909576][ T6803]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.909595][ T6803]  ? sb_set_blocksize+0x104/0x180
[  219.909617][ T6803]  ? setup_bdev_super+0x4c1/0x5b0
[  219.909637][ T6803]  get_tree_bdev_flags+0x40e/0x4d0
[  219.909655][ T6803]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.909681][ T6803]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.909703][ T6803]  gfs2_get_tree+0x51/0x1e0
[  219.909721][ T6803]  vfs_get_tree+0x92/0x2b0
[  219.909738][ T6803]  do_new_mount+0x2a2/0xa30
[  219.909759][ T6803]  ? ns_capable+0x8a/0xf0
[  219.909780][ T6803]  ? __pfx_do_new_mount+0x10/0x10
[  219.909798][ T6803]  ? path_mount+0x61c/0xfe0
[  219.909814][ T6803]  ? user_path_at+0x44/0x60
[  219.909832][ T6803]  __se_sys_mount+0x317/0x410
[  219.909854][ T6803]  ? __pfx___se_sys_mount+0x10/0x10
[  219.909875][ T6803]  ? rcu_is_watching+0x15/0xb0
[  219.909896][ T6803]  ? __x64_sys_mount+0x20/0xc0
[  219.909914][ T6803]  do_syscall_64+0xfa/0xfa0
[  219.909933][ T6803]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.909949][ T6803]  ? clear_bhb_loop+0x60/0xb0
[  219.909967][ T6803]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.909984][ T6803] RIP: 0033:0x7f4ea959038a
[  219.910001][ T6803] 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
[  219.910016][ T6803] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.910034][ T6803] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  219.910047][ T6803] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  219.910060][ T6803] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  219.910070][ T6803] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  219.910082][ T6803] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  219.910099][ T6803]  </TASK>
[  219.910147][ T6803] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.225256][ T6803] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.434847][ T6806] loop1: detected capacity change from 0 to 32768
[  220.443840][ T6806] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.451939][ T6806] CPU: 0 UID: 0 PID: 6806 Comm: syz.1.261 Not tainted syzkaller #0 PREEMPT(full) 
[  220.451962][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.451974][ T6806] Call Trace:
[  220.451981][ T6806]  <TASK>
[  220.451989][ T6806]  dump_stack_lvl+0x189/0x250
[  220.452013][ T6806]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.452032][ T6806]  ? __pfx__printk+0x10/0x10
[  220.452051][ T6806]  ? kernfs_root+0x1c/0x230
[  220.452069][ T6806]  ? kernfs_path_from_node+0x250/0x290
[  220.452083][ T6806]  ? kernfs_path_from_node+0x2f/0x290
[  220.452100][ T6806]  sysfs_create_dir_ns+0x259/0x280
[  220.452124][ T6806]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.452146][ T6806]  ? do_raw_spin_unlock+0x122/0x240
[  220.452166][ T6806]  kobject_add_internal+0x59f/0xb40
[  220.452190][ T6806]  kobject_init_and_add+0x125/0x190
[  220.452211][ T6806]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.452231][ T6806]  ? __raw_spin_lock_init+0x45/0x100
[  220.452249][ T6806]  ? __init_swait_queue_head+0xa9/0x150
[  220.452266][ T6806]  gfs2_sys_fs_add+0x234/0x450
[  220.452289][ T6806]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.452313][ T6806]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.452337][ T6806]  gfs2_fill_super+0x13c0/0x20d0
[  220.452360][ T6806]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.452380][ T6806]  ? sb_set_blocksize+0x104/0x180
[  220.452402][ T6806]  ? setup_bdev_super+0x4c1/0x5b0
[  220.452422][ T6806]  get_tree_bdev_flags+0x40e/0x4d0
[  220.452441][ T6806]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.452458][ T6806]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.452481][ T6806]  gfs2_get_tree+0x51/0x1e0
[  220.452500][ T6806]  vfs_get_tree+0x92/0x2b0
[  220.452519][ T6806]  do_new_mount+0x2a2/0xa30
[  220.452540][ T6806]  ? ns_capable+0x8a/0xf0
[  220.452562][ T6806]  ? __pfx_do_new_mount+0x10/0x10
[  220.452581][ T6806]  ? path_mount+0x61c/0xfe0
[  220.452598][ T6806]  ? user_path_at+0x44/0x60
[  220.452617][ T6806]  __se_sys_mount+0x317/0x410
[  220.452638][ T6806]  ? __pfx___se_sys_mount+0x10/0x10
[  220.452659][ T6806]  ? rcu_is_watching+0x15/0xb0
[  220.452680][ T6806]  ? __x64_sys_mount+0x20/0xc0
[  220.452701][ T6806]  do_syscall_64+0xfa/0xfa0
[  220.452720][ T6806]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.452737][ T6806]  ? clear_bhb_loop+0x60/0xb0
[  220.452754][ T6806]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.452771][ T6806] RIP: 0033:0x7f4ea959038a
[  220.452787][ T6806] 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
[  220.452801][ T6806] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.452821][ T6806] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  220.452835][ T6806] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  220.452848][ T6806] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  220.452860][ T6806] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  220.452878][ T6806] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  220.452898][ T6806]  </TASK>
[  220.452916][ T6806] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.766282][ T6806] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.971541][ T6809] loop1: detected capacity change from 0 to 32768
[  220.996596][ T6809] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.004671][ T6809] CPU: 0 UID: 0 PID: 6809 Comm: syz.1.262 Not tainted syzkaller #0 PREEMPT(full) 
[  221.004696][ T6809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.004707][ T6809] Call Trace:
[  221.004714][ T6809]  <TASK>
[  221.004721][ T6809]  dump_stack_lvl+0x189/0x250
[  221.004745][ T6809]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.004765][ T6809]  ? __pfx__printk+0x10/0x10
[  221.004784][ T6809]  ? kernfs_root+0x1c/0x230
[  221.004802][ T6809]  ? kernfs_path_from_node+0x250/0x290
[  221.004817][ T6809]  ? kernfs_path_from_node+0x2f/0x290
[  221.004831][ T6809]  sysfs_create_dir_ns+0x259/0x280
[  221.004854][ T6809]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.004877][ T6809]  ? do_raw_spin_unlock+0x122/0x240
[  221.004896][ T6809]  kobject_add_internal+0x59f/0xb40
[  221.004920][ T6809]  kobject_init_and_add+0x125/0x190
[  221.004942][ T6809]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.004962][ T6809]  ? __raw_spin_lock_init+0x45/0x100
[  221.004978][ T6809]  ? __init_swait_queue_head+0xa9/0x150
[  221.004995][ T6809]  gfs2_sys_fs_add+0x234/0x450
[  221.005017][ T6809]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.005041][ T6809]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.005064][ T6809]  gfs2_fill_super+0x13c0/0x20d0
[  221.005088][ T6809]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.005106][ T6809]  ? sb_set_blocksize+0x104/0x180
[  221.005127][ T6809]  ? setup_bdev_super+0x4c1/0x5b0
[  221.005148][ T6809]  get_tree_bdev_flags+0x40e/0x4d0
[  221.005167][ T6809]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.005185][ T6809]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.005208][ T6809]  gfs2_get_tree+0x51/0x1e0
[  221.005226][ T6809]  vfs_get_tree+0x92/0x2b0
[  221.005244][ T6809]  do_new_mount+0x2a2/0xa30
[  221.005265][ T6809]  ? ns_capable+0x8a/0xf0
[  221.005286][ T6809]  ? __pfx_do_new_mount+0x10/0x10
[  221.005306][ T6809]  ? path_mount+0x61c/0xfe0
[  221.005323][ T6809]  ? user_path_at+0x44/0x60
[  221.005343][ T6809]  __se_sys_mount+0x317/0x410
[  221.005364][ T6809]  ? __pfx___se_sys_mount+0x10/0x10
[  221.005385][ T6809]  ? rcu_is_watching+0x15/0xb0
[  221.005406][ T6809]  ? __x64_sys_mount+0x20/0xc0
[  221.005427][ T6809]  do_syscall_64+0xfa/0xfa0
[  221.005446][ T6809]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.005462][ T6809]  ? clear_bhb_loop+0x60/0xb0
[  221.005479][ T6809]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.005495][ T6809] RIP: 0033:0x7f4ea959038a
[  221.005511][ T6809] 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
[  221.005525][ T6809] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.005545][ T6809] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  221.005558][ T6809] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  221.005571][ T6809] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  221.005590][ T6809] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  221.005602][ T6809] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  221.005621][ T6809]  </TASK>
[  221.005639][ T6809] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.321098][ T6809] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.532361][ T6812] loop1: detected capacity change from 0 to 32768
[  221.548352][ T6812] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.555756][ T6812] CPU: 0 UID: 0 PID: 6812 Comm: syz.1.263 Not tainted syzkaller #0 PREEMPT(full) 
[  221.555779][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.555791][ T6812] Call Trace:
[  221.555797][ T6812]  <TASK>
[  221.555805][ T6812]  dump_stack_lvl+0x189/0x250
[  221.555830][ T6812]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.555850][ T6812]  ? __pfx__printk+0x10/0x10
[  221.555868][ T6812]  ? kernfs_root+0x1c/0x230
[  221.555885][ T6812]  ? kernfs_path_from_node+0x250/0x290
[  221.555898][ T6812]  ? kernfs_path_from_node+0x2f/0x290
[  221.555914][ T6812]  sysfs_create_dir_ns+0x259/0x280
[  221.555937][ T6812]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.555960][ T6812]  ? do_raw_spin_unlock+0x122/0x240
[  221.555979][ T6812]  kobject_add_internal+0x59f/0xb40
[  221.556003][ T6812]  kobject_init_and_add+0x125/0x190
[  221.556024][ T6812]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.556043][ T6812]  ? __raw_spin_lock_init+0x45/0x100
[  221.556060][ T6812]  ? __init_swait_queue_head+0xa9/0x150
[  221.556077][ T6812]  gfs2_sys_fs_add+0x234/0x450
[  221.556099][ T6812]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.556122][ T6812]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.556146][ T6812]  gfs2_fill_super+0x13c0/0x20d0
[  221.556171][ T6812]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.556190][ T6812]  ? sb_set_blocksize+0x104/0x180
[  221.556211][ T6812]  ? setup_bdev_super+0x4c1/0x5b0
[  221.556230][ T6812]  get_tree_bdev_flags+0x40e/0x4d0
[  221.556248][ T6812]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.556264][ T6812]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.556285][ T6812]  gfs2_get_tree+0x51/0x1e0
[  221.556302][ T6812]  vfs_get_tree+0x92/0x2b0
[  221.556321][ T6812]  do_new_mount+0x2a2/0xa30
[  221.556341][ T6812]  ? ns_capable+0x8a/0xf0
[  221.556362][ T6812]  ? __pfx_do_new_mount+0x10/0x10
[  221.556381][ T6812]  ? path_mount+0x61c/0xfe0
[  221.556397][ T6812]  ? user_path_at+0x44/0x60
[  221.556416][ T6812]  __se_sys_mount+0x317/0x410
[  221.556438][ T6812]  ? __pfx___se_sys_mount+0x10/0x10
[  221.556458][ T6812]  ? rcu_is_watching+0x15/0xb0
[  221.556479][ T6812]  ? __x64_sys_mount+0x20/0xc0
[  221.556500][ T6812]  do_syscall_64+0xfa/0xfa0
[  221.556519][ T6812]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.556536][ T6812]  ? clear_bhb_loop+0x60/0xb0
[  221.556553][ T6812]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.556569][ T6812] RIP: 0033:0x7f4ea959038a
[  221.556585][ T6812] 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
[  221.556598][ T6812] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.556626][ T6812] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  221.556638][ T6812] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  221.556650][ T6812] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  221.556662][ T6812] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  221.556673][ T6812] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  221.556692][ T6812]  </TASK>
[  221.556711][ T6812] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.869730][ T6812] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.086325][ T6818] loop1: detected capacity change from 0 to 32768
[  222.102622][ T6818] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.110352][ T6818] CPU: 0 UID: 0 PID: 6818 Comm: syz.1.264 Not tainted syzkaller #0 PREEMPT(full) 
[  222.110376][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.110387][ T6818] Call Trace:
[  222.110394][ T6818]  <TASK>
[  222.110402][ T6818]  dump_stack_lvl+0x189/0x250
[  222.110427][ T6818]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.110446][ T6818]  ? __pfx__printk+0x10/0x10
[  222.110465][ T6818]  ? kernfs_root+0x1c/0x230
[  222.110483][ T6818]  ? kernfs_path_from_node+0x250/0x290
[  222.110496][ T6818]  ? kernfs_path_from_node+0x2f/0x290
[  222.110513][ T6818]  sysfs_create_dir_ns+0x259/0x280
[  222.110537][ T6818]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.110560][ T6818]  ? do_raw_spin_unlock+0x122/0x240
[  222.110578][ T6818]  kobject_add_internal+0x59f/0xb40
[  222.110603][ T6818]  kobject_init_and_add+0x125/0x190
[  222.110624][ T6818]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.110644][ T6818]  ? __raw_spin_lock_init+0x45/0x100
[  222.110661][ T6818]  ? __init_swait_queue_head+0xa9/0x150
[  222.110679][ T6818]  gfs2_sys_fs_add+0x234/0x450
[  222.110702][ T6818]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.110726][ T6818]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.110759][ T6818]  gfs2_fill_super+0x13c0/0x20d0
[  222.110783][ T6818]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.110820][ T6818]  ? sb_set_blocksize+0x104/0x180
[  222.110846][ T6818]  ? setup_bdev_super+0x4c1/0x5b0
[  222.110873][ T6818]  get_tree_bdev_flags+0x40e/0x4d0
[  222.110892][ T6818]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.110910][ T6818]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.110932][ T6818]  gfs2_get_tree+0x51/0x1e0
[  222.110951][ T6818]  vfs_get_tree+0x92/0x2b0
[  222.110970][ T6818]  do_new_mount+0x2a2/0xa30
[  222.110996][ T6818]  ? ns_capable+0x8a/0xf0
[  222.111018][ T6818]  ? __pfx_do_new_mount+0x10/0x10
[  222.111037][ T6818]  ? path_mount+0x61c/0xfe0
[  222.111054][ T6818]  ? user_path_at+0x44/0x60
[  222.111074][ T6818]  __se_sys_mount+0x317/0x410
[  222.111096][ T6818]  ? __pfx___se_sys_mount+0x10/0x10
[  222.111117][ T6818]  ? rcu_is_watching+0x15/0xb0
[  222.111138][ T6818]  ? __x64_sys_mount+0x20/0xc0
[  222.111159][ T6818]  do_syscall_64+0xfa/0xfa0
[  222.111178][ T6818]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.111194][ T6818]  ? clear_bhb_loop+0x60/0xb0
[  222.111212][ T6818]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.111229][ T6818] RIP: 0033:0x7f4ea959038a
[  222.111244][ T6818] 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
[  222.111259][ T6818] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.111279][ T6818] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  222.111292][ T6818] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  222.111305][ T6818] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  222.111317][ T6818] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  222.111329][ T6818] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  222.111349][ T6818]  </TASK>
[  222.111367][ T6818] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.424768][ T6818] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.639484][ T6821] loop1: detected capacity change from 0 to 32768
[  222.651927][ T6821] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.659948][ T6821] CPU: 1 UID: 0 PID: 6821 Comm: syz.1.265 Not tainted syzkaller #0 PREEMPT(full) 
[  222.659971][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.659981][ T6821] Call Trace:
[  222.659988][ T6821]  <TASK>
[  222.659996][ T6821]  dump_stack_lvl+0x189/0x250
[  222.660022][ T6821]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.660042][ T6821]  ? __pfx__printk+0x10/0x10
[  222.660061][ T6821]  ? kernfs_root+0x1c/0x230
[  222.660079][ T6821]  ? kernfs_path_from_node+0x250/0x290
[  222.660093][ T6821]  ? kernfs_path_from_node+0x2f/0x290
[  222.660108][ T6821]  sysfs_create_dir_ns+0x259/0x280
[  222.660131][ T6821]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.660152][ T6821]  ? do_raw_spin_unlock+0x122/0x240
[  222.660169][ T6821]  kobject_add_internal+0x59f/0xb40
[  222.660191][ T6821]  kobject_init_and_add+0x125/0x190
[  222.660211][ T6821]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.660231][ T6821]  ? __raw_spin_lock_init+0x45/0x100
[  222.660247][ T6821]  ? __init_swait_queue_head+0xa9/0x150
[  222.660264][ T6821]  gfs2_sys_fs_add+0x234/0x450
[  222.660286][ T6821]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.660308][ T6821]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.660331][ T6821]  gfs2_fill_super+0x13c0/0x20d0
[  222.660354][ T6821]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.660372][ T6821]  ? sb_set_blocksize+0x104/0x180
[  222.660393][ T6821]  ? setup_bdev_super+0x4c1/0x5b0
[  222.660413][ T6821]  get_tree_bdev_flags+0x40e/0x4d0
[  222.660441][ T6821]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.660460][ T6821]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.660482][ T6821]  gfs2_get_tree+0x51/0x1e0
[  222.660500][ T6821]  vfs_get_tree+0x92/0x2b0
[  222.660517][ T6821]  do_new_mount+0x2a2/0xa30
[  222.660538][ T6821]  ? ns_capable+0x8a/0xf0
[  222.660559][ T6821]  ? __pfx_do_new_mount+0x10/0x10
[  222.660577][ T6821]  ? path_mount+0x61c/0xfe0
[  222.660593][ T6821]  ? user_path_at+0x44/0x60
[  222.660611][ T6821]  __se_sys_mount+0x317/0x410
[  222.660631][ T6821]  ? __pfx___se_sys_mount+0x10/0x10
[  222.660651][ T6821]  ? rcu_is_watching+0x15/0xb0
[  222.660672][ T6821]  ? __x64_sys_mount+0x20/0xc0
[  222.660691][ T6821]  do_syscall_64+0xfa/0xfa0
[  222.660709][ T6821]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.660726][ T6821]  ? clear_bhb_loop+0x60/0xb0
[  222.660742][ T6821]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.660758][ T6821] RIP: 0033:0x7f4ea959038a
[  222.660774][ T6821] 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
[  222.660789][ T6821] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.660807][ T6821] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  222.660819][ T6821] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  222.660832][ T6821] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  222.660843][ T6821] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  222.660855][ T6821] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  222.660875][ T6821]  </TASK>
[  222.660900][ T6821] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.975597][ T6821] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:38:38 executed programs: 251
[  223.186088][ T6826] loop1: detected capacity change from 0 to 32768
[  223.198805][ T6826] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.206215][ T6826] CPU: 1 UID: 0 PID: 6826 Comm: syz.1.266 Not tainted syzkaller #0 PREEMPT(full) 
[  223.206236][ T6826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.206246][ T6826] Call Trace:
[  223.206253][ T6826]  <TASK>
[  223.206260][ T6826]  dump_stack_lvl+0x189/0x250
[  223.206284][ T6826]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.206302][ T6826]  ? __pfx__printk+0x10/0x10
[  223.206320][ T6826]  ? kernfs_root+0x1c/0x230
[  223.206337][ T6826]  ? kernfs_path_from_node+0x250/0x290
[  223.206350][ T6826]  ? kernfs_path_from_node+0x2f/0x290
[  223.206366][ T6826]  sysfs_create_dir_ns+0x259/0x280
[  223.206389][ T6826]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.206419][ T6826]  ? do_raw_spin_unlock+0x122/0x240
[  223.206437][ T6826]  kobject_add_internal+0x59f/0xb40
[  223.206461][ T6826]  kobject_init_and_add+0x125/0x190
[  223.206483][ T6826]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.206503][ T6826]  ? __raw_spin_lock_init+0x45/0x100
[  223.206518][ T6826]  ? __init_swait_queue_head+0xa9/0x150
[  223.206535][ T6826]  gfs2_sys_fs_add+0x234/0x450
[  223.206557][ T6826]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.206581][ T6826]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.206604][ T6826]  gfs2_fill_super+0x13c0/0x20d0
[  223.206628][ T6826]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.206647][ T6826]  ? sb_set_blocksize+0x104/0x180
[  223.206668][ T6826]  ? setup_bdev_super+0x4c1/0x5b0
[  223.206687][ T6826]  get_tree_bdev_flags+0x40e/0x4d0
[  223.206704][ T6826]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.206720][ T6826]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.206742][ T6826]  gfs2_get_tree+0x51/0x1e0
[  223.206760][ T6826]  vfs_get_tree+0x92/0x2b0
[  223.206779][ T6826]  do_new_mount+0x2a2/0xa30
[  223.206799][ T6826]  ? ns_capable+0x8a/0xf0
[  223.206820][ T6826]  ? __pfx_do_new_mount+0x10/0x10
[  223.206839][ T6826]  ? path_mount+0x61c/0xfe0
[  223.206855][ T6826]  ? user_path_at+0x44/0x60
[  223.206873][ T6826]  __se_sys_mount+0x317/0x410
[  223.206896][ T6826]  ? __pfx___se_sys_mount+0x10/0x10
[  223.206916][ T6826]  ? rcu_is_watching+0x15/0xb0
[  223.206937][ T6826]  ? __x64_sys_mount+0x20/0xc0
[  223.206957][ T6826]  do_syscall_64+0xfa/0xfa0
[  223.206976][ T6826]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.206993][ T6826]  ? clear_bhb_loop+0x60/0xb0
[  223.207011][ T6826]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.207027][ T6826] RIP: 0033:0x7f4ea959038a
[  223.207043][ T6826] 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
[  223.207057][ T6826] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.207076][ T6826] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  223.207088][ T6826] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  223.207101][ T6826] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  223.207112][ T6826] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  223.207122][ T6826] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  223.207141][ T6826]  </TASK>
[  223.207159][ T6826] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.520585][ T6826] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.698069][   T31] INFO: task syz.0.17:6037 blocked for more than 143 seconds.
[  223.705568][   T31]       Not tainted syzkaller #0
[  223.711793][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  223.721123][   T31] task:syz.0.17        state:D stack:25096 pid:6037  tgid:6037  ppid:5973   task_flags:0x400140 flags:0x00004004
[  223.733895][   T31] Call Trace:
[  223.737184][   T31]  <TASK>
[  223.740434][   T31]  __schedule+0x1798/0x4cc0
[  223.743357][ T6830] loop1: detected capacity change from 0 to 32768
[  223.745023][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  223.759295][   T31]  ? __pfx___schedule+0x10/0x10
[  223.764271][   T31]  ? do_raw_spin_lock+0x121/0x290
[  223.769576][   T31]  ? schedule+0x91/0x360
[  223.773832][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.778939][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.783751][   T31]  ? lock_release+0x4b/0x3e0
[  223.788730][   T31]  schedule+0x165/0x360
[  223.792935][   T31]  io_schedule+0x80/0xd0
[  223.797193][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  223.799137][ T6830] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.802949][   T31]  ? rcu_is_watching+0x15/0xb0
[  223.814797][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  223.818037][ T6830] CPU: 1 UID: 0 PID: 6830 Comm: syz.1.267 Not tainted syzkaller #0 PREEMPT(full) 
[  223.818058][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.818070][ T6830] Call Trace:
[  223.818077][ T6830]  <TASK>
[  223.818085][ T6830]  dump_stack_lvl+0x189/0x250
[  223.818107][ T6830]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.818127][ T6830]  ? __pfx__printk+0x10/0x10
[  223.818146][ T6830]  ? kernfs_root+0x1c/0x230
[  223.818162][ T6830]  ? kernfs_path_from_node+0x250/0x290
[  223.818177][ T6830]  ? kernfs_path_from_node+0x2f/0x290
[  223.818193][ T6830]  sysfs_create_dir_ns+0x259/0x280
[  223.818215][ T6830]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.818238][ T6830]  ? do_raw_spin_unlock+0x122/0x240
[  223.818256][ T6830]  kobject_add_internal+0x59f/0xb40
[  223.818279][ T6830]  kobject_init_and_add+0x125/0x190
[  223.818300][ T6830]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.818319][ T6830]  ? __raw_spin_lock_init+0x45/0x100
[  223.818336][ T6830]  ? __init_swait_queue_head+0xa9/0x150
[  223.818354][ T6830]  gfs2_sys_fs_add+0x234/0x450
[  223.818375][ T6830]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.818399][ T6830]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.818473][ T6830]  gfs2_fill_super+0x13c0/0x20d0
[  223.818497][ T6830]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.818515][ T6830]  ? sb_set_blocksize+0x104/0x180
[  223.818535][ T6830]  ? setup_bdev_super+0x4c1/0x5b0
[  223.818556][ T6830]  get_tree_bdev_flags+0x40e/0x4d0
[  223.818574][ T6830]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.818591][ T6830]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.818614][ T6830]  gfs2_get_tree+0x51/0x1e0
[  223.818631][ T6830]  vfs_get_tree+0x92/0x2b0
[  223.818650][ T6830]  do_new_mount+0x2a2/0xa30
[  223.818671][ T6830]  ? ns_capable+0x8a/0xf0
[  223.818691][ T6830]  ? __pfx_do_new_mount+0x10/0x10
[  223.818709][ T6830]  ? path_mount+0x61c/0xfe0
[  223.818726][ T6830]  ? user_path_at+0x44/0x60
[  223.818745][ T6830]  __se_sys_mount+0x317/0x410
[  223.818766][ T6830]  ? __pfx___se_sys_mount+0x10/0x10
[  223.818787][ T6830]  ? rcu_is_watching+0x15/0xb0
[  223.818807][ T6830]  ? __x64_sys_mount+0x20/0xc0
[  223.818827][ T6830]  do_syscall_64+0xfa/0xfa0
[  223.818845][ T6830]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.818861][ T6830]  ? clear_bhb_loop+0x60/0xb0
[  223.818878][ T6830]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.818894][ T6830] RIP: 0033:0x7f4ea959038a
[  223.818909][ T6830] 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
[  223.818922][ T6830] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.818941][ T6830] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  223.818953][ T6830] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  223.818965][ T6830] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  223.818977][ T6830] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  223.818988][ T6830] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  223.819007][ T6830]  </TASK>
[  223.819026][ T6830] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.824969][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  223.840970][ T6830] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.843439][   T31]  ? unwind_next_frame+0xa5/0x2390
[  224.151019][   T31]  ? rcu_is_watching+0x15/0xb0
[  224.155939][   T31]  ? unwind_next_frame+0xa5/0x2390
[  224.161103][   T31]  writeback_iter+0x8d8/0x12a0
[  224.166228][   T31]  iomap_writepages+0x14d/0x2d0
[  224.171141][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  224.176519][   T31]  ? folio_mark_accessed+0x42c/0x8b0
[  224.181946][   T31]  gfs2_writepages+0x177/0x250
[  224.186721][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  224.192061][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  224.197360][   T31]  do_writepages+0x32e/0x550
[  224.201999][   T31]  ? rcu_is_watching+0x15/0xb0
[  224.206767][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  224.212218][   T31]  filemap_fdatawrite+0x199/0x240
[  224.217260][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  224.223375][   T31]  ? rcu_is_watching+0x15/0xb0
[  224.228353][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  224.233562][   T31]  gfs2_log_flush+0x966/0x24c0
[  224.238651][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  224.243862][   T31]  ? __pfx___up_read+0x10/0x10
[  224.248925][   T31]  gfs2_trans_end+0x37c/0x570
[  224.253616][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  224.259059][   T31]  ? do_page_mkwrite+0x14d/0x310
[  224.264010][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  224.270220][   T31]  ? gfs2_fault+0x19a/0x1f0
[  224.274740][   T31]  ? do_page_mkwrite+0x14d/0x310
[  224.279975][   T31]  ? rcu_is_watching+0x15/0xb0
[  224.284753][   T31]  do_page_mkwrite+0x14d/0x310
[  224.288764][ T6833] loop1: detected capacity change from 0 to 32768
[  224.289890][   T31]  __handle_mm_fault+0x1916/0x5400
[  224.301077][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  224.306697][   T31]  ? rcu_is_watching+0x15/0xb0
[  224.311694][   T31]  ? lock_vma_under_rcu+0x3cb/0x450
[  224.316904][   T31]  ? __pfx_do_futex+0x10/0x10
[  224.321876][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  224.327506][   T31]  handle_mm_fault+0x40a/0x8e0
[  224.332480][ T6833] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.332763][   T31]  do_user_addr_fault+0xa81/0x1390
[  224.345328][   T31]  ? rcu_is_watching+0x15/0xb0
[  224.350393][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  224.355782][   T31]  exc_page_fault+0x82/0x100
[  224.357995][ T6833] CPU: 1 UID: 0 PID: 6833 Comm: syz.1.268 Not tainted syzkaller #0 PREEMPT(full) 
[  224.358016][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.358027][ T6833] Call Trace:
[  224.358035][ T6833]  <TASK>
[  224.358042][ T6833]  dump_stack_lvl+0x189/0x250
[  224.358064][ T6833]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.358083][ T6833]  ? __pfx__printk+0x10/0x10
[  224.358101][ T6833]  ? kernfs_root+0x1c/0x230
[  224.358118][ T6833]  ? kernfs_path_from_node+0x250/0x290
[  224.358132][ T6833]  ? kernfs_path_from_node+0x2f/0x290
[  224.358148][ T6833]  sysfs_create_dir_ns+0x259/0x280
[  224.358171][ T6833]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.358193][ T6833]  ? do_raw_spin_unlock+0x122/0x240
[  224.358211][ T6833]  kobject_add_internal+0x59f/0xb40
[  224.358235][ T6833]  kobject_init_and_add+0x125/0x190
[  224.358255][ T6833]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.358274][ T6833]  ? __raw_spin_lock_init+0x45/0x100
[  224.358291][ T6833]  ? __init_swait_queue_head+0xa9/0x150
[  224.358318][ T6833]  gfs2_sys_fs_add+0x234/0x450
[  224.358342][ T6833]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.358365][ T6833]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.358388][ T6833]  gfs2_fill_super+0x13c0/0x20d0
[  224.358411][ T6833]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.358430][ T6833]  ? sb_set_blocksize+0x104/0x180
[  224.358450][ T6833]  ? setup_bdev_super+0x4c1/0x5b0
[  224.358470][ T6833]  get_tree_bdev_flags+0x40e/0x4d0
[  224.358488][ T6833]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.358505][ T6833]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.358526][ T6833]  gfs2_get_tree+0x51/0x1e0
[  224.358544][ T6833]  vfs_get_tree+0x92/0x2b0
[  224.358561][ T6833]  do_new_mount+0x2a2/0xa30
[  224.358582][ T6833]  ? ns_capable+0x8a/0xf0
[  224.358602][ T6833]  ? __pfx_do_new_mount+0x10/0x10
[  224.358621][ T6833]  ? path_mount+0x61c/0xfe0
[  224.358638][ T6833]  ? user_path_at+0x44/0x60
[  224.358656][ T6833]  __se_sys_mount+0x317/0x410
[  224.358678][ T6833]  ? __pfx___se_sys_mount+0x10/0x10
[  224.358698][ T6833]  ? rcu_is_watching+0x15/0xb0
[  224.358719][ T6833]  ? __x64_sys_mount+0x20/0xc0
[  224.358739][ T6833]  do_syscall_64+0xfa/0xfa0
[  224.358757][ T6833]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.358773][ T6833]  ? clear_bhb_loop+0x60/0xb0
[  224.358791][ T6833]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.358806][ T6833] RIP: 0033:0x7f4ea959038a
[  224.358822][ T6833] 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
[  224.358836][ T6833] RSP: 002b:00007ffc529a9c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.358855][ T6833] RAX: ffffffffffffffda RBX: 00007ffc529a9d10 RCX: 00007f4ea959038a
[  224.358868][ T6833] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc529a9cd0
[  224.358880][ T6833] RBP: 000020000001f680 R08: 00007ffc529a9d10 R09: 0000000000000094
[  224.358891][ T6833] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  224.358902][ T6833] R13: 00007ffc529a9cd0 R14: 000000000001f790 R15: 00002000000001c0
[  224.358920][ T6833]  </TASK>
[  224.358939][ T6833] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.364875][   T31]  asm_exc_page_fault+0x26/0x30
[  224.378011][ T6833] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.380315][   T31] RIP: 0033:0x7f97632550b3
[  224.689915][   T31] RSP: 002b:00007ffef0bb04e0 EFLAGS: 00010246
[  224.695995][   T31] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[  224.704183][   T31] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005555685083c8
[  224.712183][   T31] RBP: 00007ffef0bb05e8 R08: 0000000000000000 R09: 0000000000000000
[  224.720238][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f97635b5fac
[  224.728239][   T31] R13: 00007f97635b5fa0 R14: fffffffffffffffe R15: 0000000000000006
[  224.736227][   T31]  </TASK>
[  224.739397][   T31] INFO: lockdep is turned off.
[  224.744189][   T31] NMI backtrace for cpu 0
[  224.744204][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  224.744222][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.744232][   T31] Call Trace:
[  224.744239][   T31]  <TASK>
[  224.744246][   T31]  dump_stack_lvl+0x189/0x250
[  224.744271][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.744290][   T31]  ? __pfx__printk+0x10/0x10
[  224.744316][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  224.744340][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  224.744364][   T31]  ? __pfx__printk+0x10/0x10
[  224.744386][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  224.744408][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  224.744432][   T31]  watchdog+0xf60/0xfa0
[  224.744453][   T31]  ? watchdog+0x1e2/0xfa0
[  224.744473][   T31]  kthread+0x711/0x8a0
[  224.744491][   T31]  ? __pfx_watchdog+0x10/0x10
[  224.744509][   T31]  ? __pfx_kthread+0x10/0x10
[  224.744526][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  224.744544][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  224.744562][   T31]  ? __pfx_kthread+0x10/0x10
[  224.744585][   T31]  ret_from_fork+0x47c/0x820
[  224.744608][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  224.744632][   T31]  ? __switch_to_asm+0x39/0x70
[  224.744652][   T31]  ? __switch_to_asm+0x33/0x70
[  224.744671][   T31]  ? __pfx_kthread+0x10/0x10
[  224.744689][   T31]  ret_from_fork_asm+0x1a/0x30
[  224.744716][   T31]  </TASK>
[  224.744726][   T31] Sending NMI from CPU 0 to CPUs 1:
[  224.797368][ T6836] loop1: detected capacity change from 0 to 32768
[  224.799684][    C1] NMI backtrace for cpu 1
[  224.799698][    C1] CPU: 1 UID: 0 PID: 6836 Comm: syz.1.269 Not tainted syzkaller #0 PREEMPT(full) 
[  224.799716][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.799726][    C1] RIP: 0010:dsp_cmx_send+0x0/0x1b40
[  224.799750][    C1] Code: 3b aa f9 48 ba 00 00 00 00 00 fc ff df e9 09 f2 ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 81 ec e0 00 00 00 e8
[  224.799763][    C1] RSP: 0018:ffffc90000a08b98 EFLAGS: 00000246
[  224.799778][    C1] RAX: ffffffff81ae4d15 RBX: 0000000000000101 RCX: ffff88801d78da00
[  224.799790][    C1] RDX: 0000000000000100 RSI: ffffffff8c035860 RDI: ffffffff9a057420
[  224.799802][    C1] RBP: ffffc90000a08c90 R08: ffffffff8fc40337 R09: 1ffffffff1f88066
[  224.799814][    C1] R10: dffffc0000000000 R11: ffffffff8879fcb0 R12: 1ffff92000141178
[  224.799826][    C1] R13: ffffffff9a057420 R14: 0000000000000001 R15: 0000000000000001
[  224.799837][    C1] FS:  0000555565d25500(0000) GS:ffff888125aff000(0000) knlGS:0000000000000000
[  224.799851][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  224.799863][    C1] CR2: 00007f4ea15ff000 CR3: 0000000027184000 CR4: 00000000003526f0
[  224.799878][    C1] Call Trace:
[  224.799884][    C1]  <IRQ>
[  224.799891][    C1]  call_timer_fn+0x17b/0x5f0
[  224.799910][    C1]  ? __pfx_dsp_cmx_send+0x10/0x10
[  224.799926][    C1]  ? call_timer_fn+0xbe/0x5f0
[  224.799942][    C1]  ? __pfx_call_timer_fn+0x10/0x10
[  224.799963][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.799982][    C1]  ? __pfx_dsp_cmx_send+0x10/0x10
[  224.799999][    C1]  __run_timer_base+0x61a/0x860
[  224.800015][    C1]  ? ktime_get+0x3e/0x1f0
[  224.800033][    C1]  ? __pfx___run_timer_base+0x10/0x10
[  224.800048][    C1]  ? seqcount_lockdep_reader_access+0x15f/0x1c0
[  224.800068][    C1]  run_timer_softirq+0xb7/0x180
[  224.800084][    C1]  handle_softirqs+0x283/0x870
[  224.800106][    C1]  ? __irq_exit_rcu+0xca/0x1f0
[  224.800126][    C1]  ? __pfx_handle_softirqs+0x10/0x10
[  224.800146][    C1]  ? irqtime_account_irq+0xb6/0x1c0
[  224.800163][    C1]  __irq_exit_rcu+0xca/0x1f0
[  224.800181][    C1]  ? __pfx___irq_exit_rcu+0x10/0x10
[  224.800202][    C1]  irq_exit_rcu+0x9/0x30
[  224.800219][    C1]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  224.800236][    C1]  </IRQ>
[  224.800242][    C1]  <TASK>
[  224.800248][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  224.800265][    C1] RIP: 0010:vprintk_emit+0x58f/0x7a0
[  224.800285][    C1] Code: 85 32 01 00 00 e8 a1 81 1f 00 41 89 df 4d 85 f6 48 8b 1c 24 75 07 e8 90 81 1f 00 eb 06 e8 89 81 1f 00 fb 48 c7 c7 80 02 33 8e <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 53 e8 b9 35
[  224.800298][    C1] RSP: 0018:ffffc90004a8ed80 EFLAGS: 00000293
[  224.800310][    C1] RAX: ffffffff81a10d47 RBX: ffffffff81a10c04 RCX: ffff88801d78da00
[  224.800328][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e330280
[  224.800338][    C1] RBP: ffffc90004a8ee90 R08: ffffffff8fc40337 R09: 1ffffffff1f88066
[  224.800350][    C1] R10: dffffc0000000000 R11: fffffbfff1f88067 R12: dffffc0000000000
[  224.800361][    C1] R13: 1ffff92000951db4 R14: 0000000000000200 R15: 000000000000002f
[  224.800374][    C1]  ? vprintk_emit+0x444/0x7a0
[  224.800394][    C1]  ? vprintk_emit+0x587/0x7a0
[  224.800416][    C1]  ? vprintk_emit+0x444/0x7a0
[  224.800435][    C1]  ? __pfx_vprintk_emit+0x10/0x10
[  224.800456][    C1]  ? shmem_huge_global_enabled+0x174/0x3a0
[  224.800477][    C1]  _printk+0xcf/0x120
[  224.800498][    C1]  ? __pfx__printk+0x10/0x10
[  224.800517][    C1]  ? do_raw_spin_unlock+0x122/0x240
[  224.800535][    C1]  set_capacity_and_notify+0x208/0x2d0
[  224.800557][    C1]  ? __pfx_set_capacity_and_notify+0x10/0x10
[  224.800577][    C1]  ? __pfx_internal_create_group+0x10/0x10
[  224.800599][    C1]  loop_set_size+0x44/0xb0
[  224.800618][    C1]  loop_configure+0x9f4/0xe50
[  224.800635][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.800649][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.800671][    C1]  ? __pfx_loop_configure+0x10/0x10
[  224.800695][    C1]  ? __kernel_text_address+0xd/0x40
[  224.800710][    C1]  ? unwind_get_return_address+0x4d/0x90
[  224.800725][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  224.800743][    C1]  lo_ioctl+0x810/0x1b30
[  224.800761][    C1]  ? stack_trace_save+0x9c/0xe0
[  224.800775][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  224.800790][    C1]  ? __pfx_lo_ioctl+0x10/0x10
[  224.800806][    C1]  ? stack_depot_save_flags+0x40/0x860
[  224.800825][    C1]  ? vsnprintf+0xe3a/0xf00
[  224.800845][    C1]  ? kasan_save_track+0x4f/0x80
[  224.800861][    C1]  ? kasan_save_track+0x3e/0x80
[  224.800875][    C1]  ? __kasan_save_free_info+0x46/0x50
[  224.800894][    C1]  ? __kasan_slab_free+0x5b/0x80
[  224.800909][    C1]  ? kfree+0x18e/0x440
[  224.800923][    C1]  ? tomoyo_check_open_permission+0x2c2/0x3b0
[  224.800941][    C1]  ? security_file_open+0xb1/0x270
[  224.800957][    C1]  ? do_dentry_open+0x384/0x13f0
[  224.800976][    C1]  ? vfs_open+0x3b/0x340
[  224.800993][    C1]  ? path_openat+0x2ee5/0x3830
[  224.801007][    C1]  ? do_filp_open+0x1fa/0x410
[  224.801021][    C1]  ? do_sys_openat2+0x121/0x1c0
[  224.801039][    C1]  ? __x64_sys_openat+0x138/0x170
[  224.801051][    C1]  ? do_syscall_64+0xfa/0xfa0
[  224.801067][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.801086][    C1]  ? __mutex_trylock_common+0x153/0x260
[  224.801107][    C1]  ? __pfx___mutex_trylock_common+0x10/0x10
[  224.801128][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.801141][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.801177][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.801191][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.801205][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.801223][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.801237][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.801251][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.801269][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.801282][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.801300][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.801315][    C1]  ? unwind_next_frame+0xa5/0x2390
[  224.801333][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.801352][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  224.801369][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.801388][    C1]  ? rcu_is_watching+0x15/0xb0
[  224.801406][    C1]  ? lock_release+0x4b/0x3e0
[  224.801422][    C1]  ? lock_release+0x4b/0x3e0
[  224.801441][    C1]  ? is_bpf_text_address+0x292/0x2b0
[  224.801458][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  224.801476][    C1]  ? kernel_text_address+0xa5/0xe0
[  224.801493][    C1]  ? __kernel_text_address+0xd/0x40
[  224.801509][    C1]  ? unwind_get_return_address+0x4d/0x90
[  224.801523][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  224.801538][    C1]  ? arch_stack_walk+0xfc/0x150
[  224.801557][    C1]  ? stack_trace_save+0x9c/0xe0
[  224.801571][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  224.801586][    C1]  ? stack_depot_save_flags+0x40/0x860
[  224.801607][    C1]  ? kasan_save_track+0x4f/0x80
[  224.801621][    C1]  ? kasan_save_track+0x3e/0x80
[  224.801635][    C1]  ? __kasan_save_free_info+0x46/0x50
[  224.801654][    C1]  ? __kasan_slab_free+0x5b/0x80
[  224.801669][    C1]  ? kfree+0x18e/0x440
[  224.801682][    C1]  ? tomoyo_path_number_perm+0x47a/0x5a0
[  224.801699][    C1]  ? security_file_ioctl+0xcb/0x2d0
[  224.801714][    C1]  ? __se_sys_ioctl+0x47/0x170
[  224.801728][    C1]  ? do_syscall_64+0xfa/0xfa0
[  224.801743][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.801765][    C1]  ? __asan_memset+0x22/0x50
[  224.801779][    C1]  ? blk_get_meta_cap+0x140/0x710
[  224.801806][    C1]  ? __pfx_blkdev_common_ioctl+0x10/0x10
[  224.801825][    C1]  ? do_vfs_ioctl+0xbe8/0x1430
[  224.801840][    C1]  ? tomoyo_path_number_perm+0x1bc/0x5a0
[  224.801857][    C1]  ? __pfx_do_vfs_ioctl+0x10/0x10
[  224.801883][    C1]  ? __pfx_lo_ioctl+0x10/0x10
[  224.801901][    C1]  blkdev_ioctl+0x5a8/0x6d0
[  224.801920][    C1]  ? __pfx_blkdev_ioctl+0x10/0x10
[  224.801940][    C1]  ? bpf_lsm_file_ioctl+0x9/0x20
[  224.801955][    C1]  ? __pfx_blkdev_ioctl+0x10/0x10
[  224.801973][    C1]  __se_sys_ioctl+0xfc/0x170
[  224.801988][    C1]  do_syscall_64+0xfa/0xfa0
[  224.802005][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.802019][    C1]  ? clear_bhb_loop+0x60/0xb0
[  224.802035][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.802050][    C1] RIP: 0033:0x7f4ea958e7eb
[  224.802063][    C1] 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
[  224.802076][    C1] RSP: 002b:00007ffc529a9be0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  224.802092][    C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4ea958e7eb
[  224.802103][    C1] RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
[  224.802113][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[  224.802123][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  224.802133][    C1] R13: 00007ffc529a9d10 R14: 00007ffc529a9cd0 R15: 00007f4ea0600000
[  224.802150][    C1]  </TASK>
[  224.802729][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  224.802742][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  224.802762][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.802773][   T31] Call Trace:
[  224.802781][   T31]  <TASK>
[  224.802788][   T31]  dump_stack_lvl+0x99/0x250
[  224.802809][   T31]  ? __asan_memcpy+0x40/0x70
[  224.802825][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.802843][   T31]  ? __pfx__printk+0x10/0x10
[  224.802868][   T31]  vpanic+0x281/0x750
[  224.802888][   T31]  ? __pfx_vpanic+0x10/0x10
[  224.802905][   T31]  ? rcu_is_watching+0x15/0xb0
[  224.802925][   T31]  ? preempt_schedule+0xae/0xc0
[  224.802944][   T31]  ? preempt_schedule_common+0x83/0xd0
[  224.802964][   T31]  panic+0xb9/0xc0
[  224.802981][   T31]  ? __pfx_panic+0x10/0x10
[  224.803000][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  224.803018][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  224.803041][   T31]  watchdog+0xf9f/0xfa0
[  224.803062][   T31]  ? watchdog+0x1e2/0xfa0
[  224.803083][   T31]  kthread+0x711/0x8a0
[  224.803101][   T31]  ? __pfx_watchdog+0x10/0x10
[  224.803118][   T31]  ? __pfx_kthread+0x10/0x10
[  224.803135][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  224.803153][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  224.803170][   T31]  ? __pfx_kthread+0x10/0x10
[  224.803187][   T31]  ret_from_fork+0x47c/0x820
[  224.803210][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  224.803234][   T31]  ? __switch_to_asm+0x39/0x70
[  224.803263][   T31]  ? __switch_to_asm+0x33/0x70
[  224.803282][   T31]  ? __pfx_kthread+0x10/0x10
[  224.803299][   T31]  ret_from_fork_asm+0x1a/0x30
[  224.803325][   T31]  </TASK>
[  224.806990][   T31] Kernel Offset: disabled