5][T10720]  ? __pfx_do_new_mount+0x10/0x10
[  591.354365][T10720]  ? ns_capable+0x89/0xe0
[  591.354397][T10720]  ? user_path_at+0xd4/0x160
[  591.354415][T10720]  __se_sys_mount+0x31d/0x420
[  591.354442][T10720]  ? __pfx___se_sys_mount+0x10/0x10
[  591.354469][T10720]  ? __x64_sys_mount+0x20/0xc0
[  591.354489][T10720]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.354506][T10720]  do_syscall_64+0x15f/0xf80
[  591.354526][T10720]  ? trace_irq_disable+0x3b/0x140
[  591.354545][T10720]  ? clear_bhb_loop+0x40/0x90
[  591.354566][T10720]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.354583][T10720] RIP: 0033:0x7fd238a85a9a
[  591.354599][T10720] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  591.354613][T10720] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  591.354631][T10720] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  591.354643][T10720] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  591.354654][T10720] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  591.354665][T10720] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  591.354675][T10720] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  591.354701][T10720]  </TASK>
[  591.357385][T10720] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  591.715988][T10720] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  591.778646][T10715] loop2: detected capacity change from 0 to 32768
[  591.828988][T10715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  591.871799][T10715] CPU: 1 UID: 0 PID: 10715 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  591.871824][T10715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  591.871835][T10715] Call Trace:
[  591.871842][T10715]  <TASK>
[  591.871849][T10715]  dump_stack_lvl+0xe8/0x150
[  591.871878][T10715]  sysfs_create_dir_ns+0x271/0x2a0
[  591.871902][T10715]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  591.871925][T10715]  ? do_raw_spin_unlock+0xf5/0x210
[  591.871948][T10715]  kobject_add_internal+0x62b/0xd00
[  591.871979][T10715]  kobject_init_and_add+0x12b/0x1a0
[  591.872005][T10715]  ? __pfx_kobject_init_and_add+0x10/0x10
[  591.872028][T10715]  ? __raw_spin_lock_init+0x45/0x100
[  591.872047][T10715]  ? __init_swait_queue_head+0xa9/0x150
[  591.872066][T10715]  gfs2_sys_fs_add+0x257/0x480
[  591.872083][T10715]  ? is_dynamic_key+0x1ac/0x1c0
[  591.872104][T10715]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  591.872138][T10715]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  591.872168][T10715]  gfs2_fill_super+0x13a7/0x21d0
[  591.872197][T10715]  ? __pfx_gfs2_fill_super+0x10/0x10
[  591.872218][T10715]  ? sb_set_blocksize+0x155/0x240
[  591.872243][T10715]  ? setup_bdev_super+0x4c1/0x5b0
[  591.872267][T10715]  get_tree_bdev_flags+0x431/0x4f0
[  591.872284][T10715]  ? __pfx_gfs2_fill_super+0x10/0x10
[  591.872299][T10715]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  591.872315][T10715]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  591.872340][T10715]  gfs2_get_tree+0x51/0x1e0
[  591.872358][T10715]  vfs_get_tree+0x92/0x2a0
[  591.872376][T10715]  do_new_mount+0x341/0xd30
[  591.872396][T10715]  ? apparmor_capable+0x126/0x170
[  591.872417][T10715]  ? __pfx_do_new_mount+0x10/0x10
[  591.872436][T10715]  ? ns_capable+0x89/0xe0
[  591.872466][T10715]  ? user_path_at+0xd4/0x160
[  591.872484][T10715]  __se_sys_mount+0x31d/0x420
[  591.872509][T10715]  ? __pfx___se_sys_mount+0x10/0x10
[  591.872535][T10715]  ? __x64_sys_mount+0x20/0xc0
[  591.872555][T10715]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.872572][T10715]  do_syscall_64+0x15f/0xf80
[  591.872591][T10715]  ? trace_irq_disable+0x3b/0x140
[  591.872610][T10715]  ? clear_bhb_loop+0x40/0x90
[  591.872630][T10715]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.872646][T10715] RIP: 0033:0x7fd238a85a9a
[  591.872663][T10715] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  591.872677][T10715] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  591.872695][T10715] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  591.872707][T10715] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  591.872718][T10715] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  591.872729][T10715] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  591.872738][T10715] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  591.872764][T10715]  </TASK>
[  591.872844][T10715] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[  592.515908][T10722] loop0: detected capacity change from 0 to 32768
[  592.762142][T10730] loop3: detected capacity change from 0 to 32768
[  592.780505][T10722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  592.790720][T10722] CPU: 0 UID: 0 PID: 10722 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  592.790744][T10722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  592.790754][T10722] Call Trace:
[  592.790761][T10722]  <TASK>
[  592.790768][T10722]  dump_stack_lvl+0xe8/0x150
[  592.790798][T10722]  sysfs_create_dir_ns+0x271/0x2a0
[  592.790823][T10722]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  592.790850][T10722]  ? do_raw_spin_unlock+0xf5/0x210
[  592.790873][T10722]  kobject_add_internal+0x62b/0xd00
[  592.790907][T10722]  kobject_init_and_add+0x12b/0x1a0
[  592.790934][T10722]  ? __pfx_kobject_init_and_add+0x10/0x10
[  592.790958][T10722]  ? __raw_spin_lock_init+0x45/0x100
[  592.790977][T10722]  ? __init_swait_queue_head+0xa9/0x150
[  592.790999][T10722]  gfs2_sys_fs_add+0x257/0x480
[  592.791020][T10722]  ? is_dynamic_key+0x1ac/0x1c0
[  592.791041][T10722]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  592.791069][T10722]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  592.791107][T10722]  gfs2_fill_super+0x13a7/0x21d0
[  592.791138][T10722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  592.791159][T10722]  ? sb_set_blocksize+0x155/0x240
[  592.791184][T10722]  ? setup_bdev_super+0x4c1/0x5b0
[  592.791205][T10722]  get_tree_bdev_flags+0x431/0x4f0
[  592.791224][T10722]  ? __pfx_gfs2_fill_super+0x10/0x10
[  592.791240][T10722]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  592.791255][T10722]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  592.791282][T10722]  gfs2_get_tree+0x51/0x1e0
[  592.791301][T10722]  vfs_get_tree+0x92/0x2a0
[  592.791321][T10722]  do_new_mount+0x341/0xd30
[  592.791340][T10722]  ? apparmor_capable+0x126/0x170
[  592.791362][T10722]  ? __pfx_do_new_mount+0x10/0x10
[  592.791382][T10722]  ? ns_capable+0x89/0xe0
[  592.791413][T10722]  ? user_path_at+0xd4/0x160
[  592.791432][T10722]  __se_sys_mount+0x31d/0x420
[  592.791458][T10722]  ? __pfx___se_sys_mount+0x10/0x10
[  592.791484][T10722]  ? __x64_sys_mount+0x20/0xc0
[  592.791503][T10722]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.791521][T10722]  do_syscall_64+0x15f/0xf80
[  592.791540][T10722]  ? trace_irq_disable+0x3b/0x140
[  592.791559][T10722]  ? clear_bhb_loop+0x40/0x90
[  592.791580][T10722]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.791596][T10722] RIP: 0033:0x7fd238a85a9a
[  592.791611][T10722] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  592.791624][T10722] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  592.791642][T10722] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  592.791654][T10722] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  592.791665][T10722] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  592.791676][T10722] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  592.791686][T10722] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  592.791712][T10722]  </TASK>
[  592.792556][T10722] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  592.793396][T10715] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  592.833395][T10722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  593.080490][T10730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  593.132883][T10730] CPU: 1 UID: 0 PID: 10730 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  593.132907][T10730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  593.132918][T10730] Call Trace:
[  593.132925][T10730]  <TASK>
[  593.132933][T10730]  dump_stack_lvl+0xe8/0x150
[  593.132963][T10730]  sysfs_create_dir_ns+0x271/0x2a0
[  593.132989][T10730]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  593.133013][T10730]  ? do_raw_spin_unlock+0xf5/0x210
[  593.133036][T10730]  kobject_add_internal+0x62b/0xd00
[  593.133067][T10730]  kobject_init_and_add+0x12b/0x1a0
[  593.133094][T10730]  ? __pfx_kobject_init_and_add+0x10/0x10
[  593.133118][T10730]  ? __raw_spin_lock_init+0x45/0x100
[  593.133137][T10730]  ? __init_swait_queue_head+0xa9/0x150
[  593.133160][T10730]  gfs2_sys_fs_add+0x257/0x480
[  593.133180][T10730]  ? is_dynamic_key+0x1ac/0x1c0
[  593.133202][T10730]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  593.133230][T10730]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  593.133262][T10730]  gfs2_fill_super+0x13a7/0x21d0
[  593.133293][T10730]  ? __pfx_gfs2_fill_super+0x10/0x10
[  593.133320][T10730]  ? sb_set_blocksize+0x155/0x240
[  593.133346][T10730]  ? setup_bdev_super+0x4c1/0x5b0
[  593.133367][T10730]  get_tree_bdev_flags+0x431/0x4f0
[  593.133385][T10730]  ? __pfx_gfs2_fill_super+0x10/0x10
[  593.133401][T10730]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  593.133416][T10730]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  593.133443][T10730]  gfs2_get_tree+0x51/0x1e0
[  593.133463][T10730]  vfs_get_tree+0x92/0x2a0
[  593.133484][T10730]  do_new_mount+0x341/0xd30
[  593.133504][T10730]  ? apparmor_capable+0x126/0x170
[  593.133525][T10730]  ? __pfx_do_new_mount+0x10/0x10
[  593.133546][T10730]  ? ns_capable+0x89/0xe0
[  593.133577][T10730]  ? user_path_at+0xd4/0x160
[  593.133595][T10730]  __se_sys_mount+0x31d/0x420
[  593.133621][T10730]  ? __pfx___se_sys_mount+0x10/0x10
[  593.133646][T10730]  ? __x64_sys_mount+0x20/0xc0
[  593.133665][T10730]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.133681][T10730]  do_syscall_64+0x15f/0xf80
[  593.133700][T10730]  ? trace_irq_disable+0x3b/0x140
[  593.133718][T10730]  ? clear_bhb_loop+0x40/0x90
[  593.133738][T10730]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.133754][T10730] RIP: 0033:0x7fd238a85a9a
[  593.133770][T10730] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  593.133782][T10730] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  593.133800][T10730] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  593.133811][T10730] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  593.133822][T10730] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  593.133832][T10730] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  593.133842][T10730] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  593.133868][T10730]  </TASK>
[  593.133892][T10730] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  593.354836][T10749] loop4: detected capacity change from 0 to 32768
[  593.665749][T10749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  593.681469][T10749] CPU: 0 UID: 0 PID: 10749 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  593.681494][T10749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  593.681503][T10749] Call Trace:
[  593.681511][T10749]  <TASK>
[  593.681518][T10749]  dump_stack_lvl+0xe8/0x150
executing program
[  593.681546][T10749]  sysfs_create_dir_ns+0x271/0x2a0
[  593.681572][T10749]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  593.681595][T10749]  ? do_raw_spin_unlock+0xf5/0x210
[  593.681622][T10749]  kobject_add_internal+0x62b/0xd00
[  593.681653][T10749]  kobject_init_and_add+0x12b/0x1a0
[  593.681680][T10749]  ? __pfx_kobject_init_and_add+0x10/0x10
[  593.681704][T10749]  ? __raw_spin_lock_init+0x45/0x100
[  593.681724][T10749]  ? __init_swait_queue_head+0xa9/0x150
[  593.681745][T10749]  gfs2_sys_fs_add+0x257/0x480
executing program
[  593.681764][T10749]  ? is_dynamic_key+0x1ac/0x1c0
[  593.681787][T10749]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  593.681815][T10749]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  593.681842][T10749]  gfs2_fill_super+0x13a7/0x21d0
[  593.681871][T10749]  ? __pfx_gfs2_fill_super+0x10/0x10
[  593.681890][T10749]  ? sb_set_blocksize+0x155/0x240
[  593.681914][T10749]  ? setup_bdev_super+0x4c1/0x5b0
[  593.681933][T10749]  get_tree_bdev_flags+0x431/0x4f0
[  593.681951][T10749]  ? __pfx_gfs2_fill_super+0x10/0x10
[  593.681966][T10749]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  593.681981][T10749]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  593.682006][T10749]  gfs2_get_tree+0x51/0x1e0
[  593.682024][T10749]  vfs_get_tree+0x92/0x2a0
[  593.682044][T10749]  do_new_mount+0x341/0xd30
[  593.682064][T10749]  ? apparmor_capable+0x126/0x170
[  593.682084][T10749]  ? __pfx_do_new_mount+0x10/0x10
[  593.682103][T10749]  ? ns_capable+0x89/0xe0
[  593.682134][T10749]  ? user_path_at+0xd4/0x160
[  593.682151][T10749]  __se_sys_mount+0x31d/0x420
[  593.682177][T10749]  ? __pfx___se_sys_mount+0x10/0x10
[  593.682201][T10749]  ? __x64_sys_mount+0x20/0xc0
[  593.682220][T10749]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.682238][T10749]  do_syscall_64+0x15f/0xf80
[  593.682258][T10749]  ? trace_irq_disable+0x3b/0x140
[  593.682277][T10749]  ? clear_bhb_loop+0x40/0x90
[  593.682298][T10749]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.682315][T10749] RIP: 0033:0x7fd238a85a9a
[  593.682331][T10749] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  593.682352][T10749] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  593.682370][T10749] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  593.682382][T10749] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  593.682393][T10749] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  593.682404][T10749] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  593.682414][T10749] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  593.682441][T10749]  </TASK>
[  593.683157][T10749] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  593.706406][T10730] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  593.884876][T10749] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[  594.796331][T10763] loop2: detected capacity change from 0 to 32768
[  594.840627][T10763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  594.850602][T10763] CPU: 0 UID: 0 PID: 10763 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  594.850627][T10763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  594.850637][T10763] Call Trace:
[  594.850644][T10763]  <TASK>
[  594.850651][T10763]  dump_stack_lvl+0xe8/0x150
[  594.850680][T10763]  sysfs_create_dir_ns+0x271/0x2a0
[  594.850705][T10763]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  594.850729][T10763]  ? do_raw_spin_unlock+0xf5/0x210
[  594.850752][T10763]  kobject_add_internal+0x62b/0xd00
[  594.850782][T10763]  kobject_init_and_add+0x12b/0x1a0
[  594.850810][T10763]  ? __pfx_kobject_init_and_add+0x10/0x10
[  594.850834][T10763]  ? __raw_spin_lock_init+0x45/0x100
[  594.850853][T10763]  ? __init_swait_queue_head+0xa9/0x150
[  594.850874][T10763]  gfs2_sys_fs_add+0x257/0x480
[  594.850894][T10763]  ? is_dynamic_key+0x1ac/0x1c0
[  594.850916][T10763]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  594.850944][T10763]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  594.850975][T10763]  gfs2_fill_super+0x13a7/0x21d0
[  594.851007][T10763]  ? __pfx_gfs2_fill_super+0x10/0x10
[  594.851027][T10763]  ? sb_set_blocksize+0x155/0x240
[  594.851053][T10763]  ? setup_bdev_super+0x4c1/0x5b0
[  594.851074][T10763]  get_tree_bdev_flags+0x431/0x4f0
[  594.851093][T10763]  ? __pfx_gfs2_fill_super+0x10/0x10
[  594.851109][T10763]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  594.851124][T10763]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  594.851152][T10763]  gfs2_get_tree+0x51/0x1e0
[  594.851172][T10763]  vfs_get_tree+0x92/0x2a0
[  594.851191][T10763]  do_new_mount+0x341/0xd30
[  594.851210][T10763]  ? apparmor_capable+0x126/0x170
[  594.851240][T10763]  ? __pfx_do_new_mount+0x10/0x10
[  594.851261][T10763]  ? ns_capable+0x89/0xe0
[  594.851295][T10763]  ? user_path_at+0xd4/0x160
[  594.851314][T10763]  __se_sys_mount+0x31d/0x420
[  594.851340][T10763]  ? __pfx___se_sys_mount+0x10/0x10
[  594.851367][T10763]  ? __x64_sys_mount+0x20/0xc0
[  594.851386][T10763]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  594.851405][T10763]  do_syscall_64+0x15f/0xf80
[  594.851423][T10763]  ? trace_irq_disable+0x3b/0x140
[  594.851442][T10763]  ? clear_bhb_loop+0x40/0x90
[  594.851462][T10763]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  594.851478][T10763] RIP: 0033:0x7fd238a85a9a
[  594.851494][T10763] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  594.851508][T10763] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  594.851526][T10763] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  594.851539][T10763] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  594.851551][T10763] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  594.851562][T10763] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  594.851573][T10763] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  594.851599][T10763]  </TASK>
[  594.851642][T10763] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  595.294394][T10763] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  595.341885][T10768] loop0: detected capacity change from 0 to 32768
[  595.371834][T10768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  595.394779][T10768] CPU: 1 UID: 0 PID: 10768 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  595.394803][T10768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  595.394813][T10768] Call Trace:
[  595.394821][T10768]  <TASK>
[  595.394830][T10768]  dump_stack_lvl+0xe8/0x150
[  595.394856][T10768]  sysfs_create_dir_ns+0x271/0x2a0
[  595.394882][T10768]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  595.394907][T10768]  ? do_raw_spin_unlock+0xf5/0x210
[  595.394930][T10768]  kobject_add_internal+0x62b/0xd00
[  595.394962][T10768]  kobject_init_and_add+0x12b/0x1a0
[  595.394989][T10768]  ? __pfx_kobject_init_and_add+0x10/0x10
[  595.395012][T10768]  ? __raw_spin_lock_init+0x45/0x100
[  595.395032][T10768]  ? __init_swait_queue_head+0xa9/0x150
[  595.395053][T10768]  gfs2_sys_fs_add+0x257/0x480
[  595.395073][T10768]  ? is_dynamic_key+0x1ac/0x1c0
[  595.395104][T10768]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  595.395131][T10768]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  595.395163][T10768]  gfs2_fill_super+0x13a7/0x21d0
[  595.395195][T10768]  ? __pfx_gfs2_fill_super+0x10/0x10
[  595.395216][T10768]  ? sb_set_blocksize+0x155/0x240
[  595.395240][T10768]  ? setup_bdev_super+0x4c1/0x5b0
[  595.395260][T10768]  get_tree_bdev_flags+0x431/0x4f0
[  595.395278][T10768]  ? __pfx_gfs2_fill_super+0x10/0x10
[  595.395294][T10768]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  595.395309][T10768]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  595.395337][T10768]  gfs2_get_tree+0x51/0x1e0
[  595.395357][T10768]  vfs_get_tree+0x92/0x2a0
[  595.395377][T10768]  do_new_mount+0x341/0xd30
[  595.395397][T10768]  ? apparmor_capable+0x126/0x170
[  595.395418][T10768]  ? __pfx_do_new_mount+0x10/0x10
[  595.395438][T10768]  ? ns_capable+0x89/0xe0
[  595.395468][T10768]  ? user_path_at+0xd4/0x160
[  595.395486][T10768]  __se_sys_mount+0x31d/0x420
[  595.395512][T10768]  ? __pfx___se_sys_mount+0x10/0x10
[  595.395539][T10768]  ? __x64_sys_mount+0x20/0xc0
[  595.395558][T10768]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.395576][T10768]  do_syscall_64+0x15f/0xf80
[  595.395595][T10768]  ? trace_irq_disable+0x3b/0x140
[  595.395614][T10768]  ? clear_bhb_loop+0x40/0x90
[  595.395634][T10768]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.395650][T10768] RIP: 0033:0x7fd238a85a9a
[  595.395667][T10768] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  595.395680][T10768] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  595.395698][T10768] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  595.395710][T10768] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  595.395721][T10768] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  595.395735][T10768] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  595.395745][T10768] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  595.395772][T10768]  </TASK>
[  595.395807][T10768] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[  595.919873][T10775] loop4: detected capacity change from 0 to 32768
[  595.965573][T10772] loop3: detected capacity change from 0 to 32768
[  596.073943][T10775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  596.090230][T10775] CPU: 1 UID: 0 PID: 10775 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  596.090256][T10775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  596.090267][T10775] Call Trace:
[  596.090274][T10775]  <TASK>
[  596.090283][T10775]  dump_stack_lvl+0xe8/0x150
[  596.090310][T10775]  sysfs_create_dir_ns+0x271/0x2a0
[  596.090344][T10775]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  596.090367][T10775]  ? do_raw_spin_unlock+0xf5/0x210
[  596.090389][T10775]  kobject_add_internal+0x62b/0xd00
[  596.090420][T10775]  kobject_init_and_add+0x12b/0x1a0
[  596.090444][T10775]  ? __pfx_kobject_init_and_add+0x10/0x10
[  596.090468][T10775]  ? __raw_spin_lock_init+0x45/0x100
[  596.090488][T10775]  ? __init_swait_queue_head+0xa9/0x150
[  596.090509][T10775]  gfs2_sys_fs_add+0x257/0x480
[  596.090527][T10775]  ? is_dynamic_key+0x1ac/0x1c0
[  596.090548][T10775]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  596.090574][T10775]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  596.090602][T10775]  gfs2_fill_super+0x13a7/0x21d0
[  596.090631][T10775]  ? __pfx_gfs2_fill_super+0x10/0x10
[  596.090650][T10775]  ? sb_set_blocksize+0x155/0x240
[  596.090675][T10775]  ? setup_bdev_super+0x4c1/0x5b0
[  596.090696][T10775]  get_tree_bdev_flags+0x431/0x4f0
[  596.090715][T10775]  ? __pfx_gfs2_fill_super+0x10/0x10
[  596.090731][T10775]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  596.090747][T10775]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  596.090773][T10775]  gfs2_get_tree+0x51/0x1e0
[  596.090791][T10775]  vfs_get_tree+0x92/0x2a0
[  596.090810][T10775]  do_new_mount+0x341/0xd30
[  596.090830][T10775]  ? apparmor_capable+0x126/0x170
[  596.090862][T10775]  ? __pfx_do_new_mount+0x10/0x10
[  596.090882][T10775]  ? ns_capable+0x89/0xe0
[  596.090915][T10775]  ? user_path_at+0xd4/0x160
[  596.090932][T10775]  __se_sys_mount+0x31d/0x420
[  596.090959][T10775]  ? __pfx___se_sys_mount+0x10/0x10
[  596.090984][T10775]  ? __x64_sys_mount+0x20/0xc0
[  596.091003][T10775]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.091022][T10775]  do_syscall_64+0x15f/0xf80
[  596.091042][T10775]  ? trace_irq_disable+0x3b/0x140
[  596.091061][T10775]  ? clear_bhb_loop+0x40/0x90
[  596.091081][T10775]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.091097][T10775] RIP: 0033:0x7fd238a85a9a
[  596.091114][T10775] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  596.091127][T10775] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  596.091146][T10775] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  596.091158][T10775] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  596.091170][T10775] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  596.091181][T10775] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  596.091192][T10775] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  596.091219][T10775]  </TASK>
[  596.091243][T10775] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  596.340326][T10768] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  596.407279][T10772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  596.417697][T10772] CPU: 0 UID: 0 PID: 10772 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  596.417722][T10772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  596.417733][T10772] Call Trace:
[  596.417741][T10772]  <TASK>
[  596.417748][T10772]  dump_stack_lvl+0xe8/0x150
[  596.417777][T10772]  sysfs_create_dir_ns+0x271/0x2a0
[  596.417804][T10772]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  596.417836][T10772]  ? do_raw_spin_unlock+0xf5/0x210
[  596.417859][T10772]  kobject_add_internal+0x62b/0xd00
[  596.417892][T10772]  kobject_init_and_add+0x12b/0x1a0
[  596.417919][T10772]  ? __pfx_kobject_init_and_add+0x10/0x10
[  596.417943][T10772]  ? __raw_spin_lock_init+0x45/0x100
[  596.417962][T10772]  ? __init_swait_queue_head+0xa9/0x150
[  596.417984][T10772]  gfs2_sys_fs_add+0x257/0x480
[  596.418003][T10772]  ? is_dynamic_key+0x1ac/0x1c0
[  596.418025][T10772]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  596.418052][T10772]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  596.418082][T10772]  gfs2_fill_super+0x13a7/0x21d0
[  596.418113][T10772]  ? __pfx_gfs2_fill_super+0x10/0x10
[  596.418134][T10772]  ? sb_set_blocksize+0x155/0x240
[  596.418159][T10772]  ? setup_bdev_super+0x4c1/0x5b0
[  596.418180][T10772]  get_tree_bdev_flags+0x431/0x4f0
[  596.418198][T10772]  ? __pfx_gfs2_fill_super+0x10/0x10
[  596.418213][T10772]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  596.418228][T10772]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  596.418254][T10772]  gfs2_get_tree+0x51/0x1e0
[  596.418274][T10772]  vfs_get_tree+0x92/0x2a0
[  596.418293][T10772]  do_new_mount+0x341/0xd30
[  596.418313][T10772]  ? apparmor_capable+0x126/0x170
[  596.418335][T10772]  ? __pfx_do_new_mount+0x10/0x10
[  596.418355][T10772]  ? ns_capable+0x89/0xe0
[  596.418386][T10772]  ? user_path_at+0xd4/0x160
[  596.418404][T10772]  __se_sys_mount+0x31d/0x420
[  596.418430][T10772]  ? __pfx___se_sys_mount+0x10/0x10
[  596.418457][T10772]  ? __x64_sys_mount+0x20/0xc0
[  596.418477][T10772]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.418494][T10772]  do_syscall_64+0x15f/0xf80
[  596.418513][T10772]  ? trace_irq_disable+0x3b/0x140
[  596.418532][T10772]  ? clear_bhb_loop+0x40/0x90
[  596.418552][T10772]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.418568][T10772] RIP: 0033:0x7fd238a85a9a
[  596.418585][T10772] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  596.418599][T10772] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  596.418617][T10772] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  596.418629][T10772] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  596.418640][T10772] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  596.418651][T10772] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  596.418662][T10772] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  596.418688][T10772]  </TASK>
executing program
[  596.418712][T10772] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  596.739984][T10775] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  596.750396][T10772] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[  597.192203][T10790] loop2: detected capacity change from 0 to 32768
[  597.257169][T10790] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  597.305391][T10790] CPU: 1 UID: 0 PID: 10790 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  597.305416][T10790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  597.305426][T10790] Call Trace:
[  597.305433][T10790]  <TASK>
[  597.305441][T10790]  dump_stack_lvl+0xe8/0x150
[  597.305470][T10790]  sysfs_create_dir_ns+0x271/0x2a0
[  597.305495][T10790]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  597.305517][T10790]  ? do_raw_spin_unlock+0xf5/0x210
[  597.305539][T10790]  kobject_add_internal+0x62b/0xd00
[  597.305568][T10790]  kobject_init_and_add+0x12b/0x1a0
[  597.305595][T10790]  ? __pfx_kobject_init_and_add+0x10/0x10
[  597.305617][T10790]  ? __raw_spin_lock_init+0x45/0x100
[  597.305637][T10790]  ? __init_swait_queue_head+0xa9/0x150
[  597.305659][T10790]  gfs2_sys_fs_add+0x257/0x480
[  597.305679][T10790]  ? is_dynamic_key+0x1ac/0x1c0
[  597.305701][T10790]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  597.305878][T10790]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  597.305910][T10790]  gfs2_fill_super+0x13a7/0x21d0
[  597.305942][T10790]  ? __pfx_gfs2_fill_super+0x10/0x10
[  597.305963][T10790]  ? sb_set_blocksize+0x155/0x240
[  597.305985][T10790]  ? setup_bdev_super+0x4c1/0x5b0
[  597.306002][T10790]  get_tree_bdev_flags+0x431/0x4f0
[  597.306019][T10790]  ? __pfx_gfs2_fill_super+0x10/0x10
[  597.306035][T10790]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  597.306050][T10790]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  597.306077][T10790]  gfs2_get_tree+0x51/0x1e0
[  597.306097][T10790]  vfs_get_tree+0x92/0x2a0
[  597.306116][T10790]  do_new_mount+0x341/0xd30
[  597.306136][T10790]  ? apparmor_capable+0x126/0x170
[  597.306157][T10790]  ? __pfx_do_new_mount+0x10/0x10
[  597.306178][T10790]  ? ns_capable+0x89/0xe0
[  597.306208][T10790]  ? user_path_at+0xd4/0x160
[  597.306227][T10790]  __se_sys_mount+0x31d/0x420
[  597.306252][T10790]  ? __pfx___se_sys_mount+0x10/0x10
[  597.306278][T10790]  ? __x64_sys_mount+0x20/0xc0
[  597.306298][T10790]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  597.306315][T10790]  do_syscall_64+0x15f/0xf80
[  597.306335][T10790]  ? trace_irq_disable+0x3b/0x140
[  597.306354][T10790]  ? clear_bhb_loop+0x40/0x90
[  597.306374][T10790]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  597.306390][T10790] RIP: 0033:0x7fd238a85a9a
[  597.306406][T10790] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  597.306419][T10790] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  597.306438][T10790] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  597.306450][T10790] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  597.306461][T10790] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  597.306472][T10790] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  597.306483][T10790] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  597.306509][T10790]  </TASK>
[  597.376444][T10790] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  597.680015][T10790] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  598.073875][T10798] loop3: detected capacity change from 0 to 32768
[  598.116854][T10798] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  598.139498][T10798] CPU: 1 UID: 0 PID: 10798 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  598.139524][T10798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  598.139534][T10798] Call Trace:
[  598.139541][T10798]  <TASK>
[  598.139549][T10798]  dump_stack_lvl+0xe8/0x150
[  598.139577][T10798]  sysfs_create_dir_ns+0x271/0x2a0
[  598.139603][T10798]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  598.139627][T10798]  ? do_raw_spin_unlock+0xf5/0x210
[  598.139649][T10798]  kobject_add_internal+0x62b/0xd00
[  598.139686][T10798]  kobject_init_and_add+0x12b/0x1a0
[  598.139713][T10798]  ? __pfx_kobject_init_and_add+0x10/0x10
[  598.139736][T10798]  ? __raw_spin_lock_init+0x45/0x100
[  598.139756][T10798]  ? __init_swait_queue_head+0xa9/0x150
[  598.139778][T10798]  gfs2_sys_fs_add+0x257/0x480
[  598.139798][T10798]  ? is_dynamic_key+0x1ac/0x1c0
[  598.139824][T10798]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  598.139852][T10798]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  598.139882][T10798]  gfs2_fill_super+0x13a7/0x21d0
[  598.139914][T10798]  ? __pfx_gfs2_fill_super+0x10/0x10
[  598.139934][T10798]  ? sb_set_blocksize+0x155/0x240
[  598.139959][T10798]  ? setup_bdev_super+0x4c1/0x5b0
[  598.139984][T10798]  get_tree_bdev_flags+0x431/0x4f0
[  598.140002][T10798]  ? __pfx_gfs2_fill_super+0x10/0x10
[  598.140025][T10798]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  598.140040][T10798]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  598.140067][T10798]  gfs2_get_tree+0x51/0x1e0
[  598.140086][T10798]  vfs_get_tree+0x92/0x2a0
[  598.140106][T10798]  do_new_mount+0x341/0xd30
[  598.140125][T10798]  ? apparmor_capable+0x126/0x170
[  598.140147][T10798]  ? __pfx_do_new_mount+0x10/0x10
[  598.140165][T10798]  ? ns_capable+0x89/0xe0
[  598.140192][T10798]  ? user_path_at+0xd4/0x160
[  598.140208][T10798]  __se_sys_mount+0x31d/0x420
[  598.140233][T10798]  ? __pfx___se_sys_mount+0x10/0x10
[  598.140258][T10798]  ? __x64_sys_mount+0x20/0xc0
[  598.140278][T10798]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.140296][T10798]  do_syscall_64+0x15f/0xf80
[  598.140316][T10798]  ? trace_irq_disable+0x3b/0x140
[  598.140335][T10798]  ? clear_bhb_loop+0x40/0x90
[  598.140355][T10798]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.140371][T10798] RIP: 0033:0x7fd238a85a9a
[  598.140387][T10798] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  598.140400][T10798] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  598.140419][T10798] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  598.140431][T10798] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  598.140442][T10798] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  598.140453][T10798] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  598.140463][T10798] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  598.140489][T10798]  </TASK>
[  598.567560][T10802] loop0: detected capacity change from 0 to 32768
[  598.575332][T10798] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  598.589771][T10798] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  598.614857][T10802] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  598.622607][T10802] CPU: 1 UID: 0 PID: 10802 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  598.622627][T10802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  598.622636][T10802] Call Trace:
[  598.622645][T10802]  <TASK>
[  598.622653][T10802]  dump_stack_lvl+0xe8/0x150
[  598.622679][T10802]  sysfs_create_dir_ns+0x271/0x2a0
[  598.622702][T10802]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  598.622723][T10802]  ? do_raw_spin_unlock+0xf5/0x210
[  598.622744][T10802]  kobject_add_internal+0x62b/0xd00
[  598.622772][T10802]  kobject_init_and_add+0x12b/0x1a0
[  598.622795][T10802]  ? __pfx_kobject_init_and_add+0x10/0x10
[  598.622814][T10802]  ? __raw_spin_lock_init+0x45/0x100
[  598.622830][T10802]  ? __init_swait_queue_head+0xa9/0x150
[  598.622849][T10802]  gfs2_sys_fs_add+0x257/0x480
[  598.622867][T10802]  ? is_dynamic_key+0x1ac/0x1c0
[  598.622888][T10802]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  598.622914][T10802]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  598.622941][T10802]  gfs2_fill_super+0x13a7/0x21d0
[  598.622982][T10802]  ? __pfx_gfs2_fill_super+0x10/0x10
[  598.623001][T10802]  ? sb_set_blocksize+0x155/0x240
[  598.623023][T10802]  ? setup_bdev_super+0x4c1/0x5b0
[  598.623044][T10802]  get_tree_bdev_flags+0x431/0x4f0
[  598.623062][T10802]  ? __pfx_gfs2_fill_super+0x10/0x10
[  598.623077][T10802]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  598.623092][T10802]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  598.623120][T10802]  gfs2_get_tree+0x51/0x1e0
[  598.623140][T10802]  vfs_get_tree+0x92/0x2a0
[  598.623159][T10802]  do_new_mount+0x341/0xd30
[  598.623180][T10802]  ? apparmor_capable+0x126/0x170
[  598.623201][T10802]  ? __pfx_do_new_mount+0x10/0x10
[  598.623221][T10802]  ? ns_capable+0x89/0xe0
[  598.623253][T10802]  ? user_path_at+0xd4/0x160
[  598.623271][T10802]  __se_sys_mount+0x31d/0x420
[  598.623297][T10802]  ? __pfx___se_sys_mount+0x10/0x10
[  598.623324][T10802]  ? __x64_sys_mount+0x20/0xc0
[  598.623343][T10802]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.623361][T10802]  do_syscall_64+0x15f/0xf80
[  598.623380][T10802]  ? trace_irq_disable+0x3b/0x140
[  598.623400][T10802]  ? clear_bhb_loop+0x40/0x90
[  598.623420][T10802]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.623435][T10802] RIP: 0033:0x7fd238a85a9a
[  598.623452][T10802] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
executing program
[  598.623466][T10802] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  598.623508][T10802] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  598.623521][T10802] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  598.623532][T10802] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  598.623544][T10802] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  598.623554][T10802] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  598.623581][T10802]  </TASK>
[  598.623613][T10802] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  598.943789][T10802] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  599.065973][T10803] loop4: detected capacity change from 0 to 32768
[  599.113377][T10803] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  599.163386][T10803] CPU: 0 UID: 0 PID: 10803 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  599.163410][T10803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  599.163420][T10803] Call Trace:
[  599.163427][T10803]  <TASK>
[  599.163452][T10803]  dump_stack_lvl+0xe8/0x150
[  599.163482][T10803]  sysfs_create_dir_ns+0x271/0x2a0
[  599.163508][T10803]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  599.163531][T10803]  ? do_raw_spin_unlock+0xf5/0x210
[  599.163553][T10803]  kobject_add_internal+0x62b/0xd00
[  599.163584][T10803]  kobject_init_and_add+0x12b/0x1a0
[  599.163610][T10803]  ? __pfx_kobject_init_and_add+0x10/0x10
[  599.163631][T10803]  ? __raw_spin_lock_init+0x45/0x100
[  599.163647][T10803]  ? __init_swait_queue_head+0xa9/0x150
[  599.163668][T10803]  gfs2_sys_fs_add+0x257/0x480
[  599.163686][T10803]  ? is_dynamic_key+0x1ac/0x1c0
[  599.163707][T10803]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  599.163732][T10803]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  599.163763][T10803]  gfs2_fill_super+0x13a7/0x21d0
[  599.163793][T10803]  ? __pfx_gfs2_fill_super+0x10/0x10
[  599.163812][T10803]  ? sb_set_blocksize+0x155/0x240
[  599.163836][T10803]  ? setup_bdev_super+0x4c1/0x5b0
[  599.163856][T10803]  get_tree_bdev_flags+0x431/0x4f0
[  599.163873][T10803]  ? __pfx_gfs2_fill_super+0x10/0x10
[  599.163889][T10803]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  599.163913][T10803]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  599.163940][T10803]  gfs2_get_tree+0x51/0x1e0
[  599.163960][T10803]  vfs_get_tree+0x92/0x2a0
executing program
[  599.163979][T10803]  do_new_mount+0x341/0xd30
[  599.163999][T10803]  ? apparmor_capable+0x126/0x170
[  599.164028][T10803]  ? __pfx_do_new_mount+0x10/0x10
[  599.164048][T10803]  ? ns_capable+0x89/0xe0
[  599.164079][T10803]  ? user_path_at+0xd4/0x160
[  599.164098][T10803]  __se_sys_mount+0x31d/0x420
[  599.164125][T10803]  ? __pfx___se_sys_mount+0x10/0x10
[  599.164151][T10803]  ? __x64_sys_mount+0x20/0xc0
[  599.164170][T10803]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.164189][T10803]  do_syscall_64+0x15f/0xf80
[  599.164208][T10803]  ? trace_irq_disable+0x3b/0x140
[  599.164227][T10803]  ? clear_bhb_loop+0x40/0x90
[  599.164247][T10803]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.164263][T10803] RIP: 0033:0x7fd238a85a9a
[  599.164280][T10803] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  599.164294][T10803] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  599.164313][T10803] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  599.164324][T10803] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  599.164335][T10803] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  599.164347][T10803] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  599.164358][T10803] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  599.164385][T10803]  </TASK>
[  599.164409][T10803] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  599.659707][T10813] loop2: detected capacity change from 0 to 32768
[  599.692615][T10803] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  599.712287][T10813] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  599.731095][T10813] CPU: 0 UID: 0 PID: 10813 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  599.731121][T10813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  599.731132][T10813] Call Trace:
[  599.731140][T10813]  <TASK>
[  599.731147][T10813]  dump_stack_lvl+0xe8/0x150
[  599.731176][T10813]  sysfs_create_dir_ns+0x271/0x2a0
[  599.731202][T10813]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  599.731226][T10813]  ? do_raw_spin_unlock+0xf5/0x210
[  599.731248][T10813]  kobject_add_internal+0x62b/0xd00
[  599.731280][T10813]  kobject_init_and_add+0x12b/0x1a0
[  599.731308][T10813]  ? __pfx_kobject_init_and_add+0x10/0x10
[  599.731331][T10813]  ? __raw_spin_lock_init+0x45/0x100
[  599.731351][T10813]  ? __init_swait_queue_head+0xa9/0x150
[  599.731373][T10813]  gfs2_sys_fs_add+0x257/0x480
[  599.731391][T10813]  ? is_dynamic_key+0x1ac/0x1c0
[  599.731411][T10813]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  599.731437][T10813]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  599.731465][T10813]  gfs2_fill_super+0x13a7/0x21d0
[  599.731494][T10813]  ? __pfx_gfs2_fill_super+0x10/0x10
[  599.731512][T10813]  ? sb_set_blocksize+0x155/0x240
[  599.731535][T10813]  ? setup_bdev_super+0x4c1/0x5b0
[  599.731554][T10813]  get_tree_bdev_flags+0x431/0x4f0
[  599.731570][T10813]  ? __pfx_gfs2_fill_super+0x10/0x10
[  599.731585][T10813]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  599.731601][T10813]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  599.731629][T10813]  gfs2_get_tree+0x51/0x1e0
[  599.731647][T10813]  vfs_get_tree+0x92/0x2a0
[  599.731664][T10813]  do_new_mount+0x341/0xd30
[  599.731680][T10813]  ? apparmor_capable+0x126/0x170
[  599.731701][T10813]  ? __pfx_do_new_mount+0x10/0x10
[  599.731717][T10813]  ? ns_capable+0x89/0xe0
[  599.731742][T10813]  ? user_path_at+0xd4/0x160
[  599.731755][T10813]  __se_sys_mount+0x31d/0x420
[  599.731775][T10813]  ? __pfx___se_sys_mount+0x10/0x10
[  599.731801][T10813]  ? __x64_sys_mount+0x20/0xc0
[  599.731816][T10813]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.731830][T10813]  do_syscall_64+0x15f/0xf80
[  599.731845][T10813]  ? trace_irq_disable+0x3b/0x140
[  599.731860][T10813]  ? clear_bhb_loop+0x40/0x90
[  599.731875][T10813]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.731888][T10813] RIP: 0033:0x7fd238a85a9a
[  599.731900][T10813] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  599.731911][T10813] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  599.731925][T10813] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  599.731935][T10813] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  599.731943][T10813] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  599.731952][T10813] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  599.731960][T10813] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  599.731979][T10813]  </TASK>
[  600.029864][T10813] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  600.093193][T10813] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[  600.806620][T10827] loop0: detected capacity change from 0 to 32768
[  600.849691][T10827] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  600.890857][T10827] CPU: 0 UID: 0 PID: 10827 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  600.890887][T10827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  600.890909][T10827] Call Trace:
[  600.890916][T10827]  <TASK>
[  600.890931][T10827]  dump_stack_lvl+0xe8/0x150
[  600.890962][T10827]  sysfs_create_dir_ns+0x271/0x2a0
[  600.890989][T10827]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  600.891012][T10827]  ? do_raw_spin_unlock+0xf5/0x210
[  600.891036][T10827]  kobject_add_internal+0x62b/0xd00
[  600.891072][T10827]  kobject_init_and_add+0x12b/0x1a0
[  600.891100][T10827]  ? __pfx_kobject_init_and_add+0x10/0x10
[  600.891124][T10827]  ? __raw_spin_lock_init+0x45/0x100
[  600.891144][T10827]  ? __init_swait_queue_head+0xa9/0x150
[  600.891165][T10827]  gfs2_sys_fs_add+0x257/0x480
[  600.891185][T10827]  ? is_dynamic_key+0x1ac/0x1c0
[  600.891207][T10827]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  600.891238][T10827]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  600.891269][T10827]  gfs2_fill_super+0x13a7/0x21d0
[  600.891301][T10827]  ? __pfx_gfs2_fill_super+0x10/0x10
[  600.891322][T10827]  ? sb_set_blocksize+0x155/0x240
[  600.891347][T10827]  ? setup_bdev_super+0x4c1/0x5b0
[  600.891368][T10827]  get_tree_bdev_flags+0x431/0x4f0
[  600.891386][T10827]  ? __pfx_gfs2_fill_super+0x10/0x10
[  600.891401][T10827]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  600.891417][T10827]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  600.891445][T10827]  gfs2_get_tree+0x51/0x1e0
[  600.891465][T10827]  vfs_get_tree+0x92/0x2a0
[  600.891484][T10827]  do_new_mount+0x341/0xd30
[  600.891504][T10827]  ? apparmor_capable+0x126/0x170
[  600.891525][T10827]  ? __pfx_do_new_mount+0x10/0x10
[  600.891546][T10827]  ? ns_capable+0x89/0xe0
[  600.891578][T10827]  ? user_path_at+0xd4/0x160
[  600.891596][T10827]  __se_sys_mount+0x31d/0x420
[  600.891622][T10827]  ? __pfx___se_sys_mount+0x10/0x10
[  600.891647][T10827]  ? __x64_sys_mount+0x20/0xc0
[  600.891666][T10827]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.891683][T10827]  do_syscall_64+0x15f/0xf80
[  600.891702][T10827]  ? trace_irq_disable+0x3b/0x140
[  600.891722][T10827]  ? clear_bhb_loop+0x40/0x90
[  600.891742][T10827]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.891766][T10827] RIP: 0033:0x7fd238a85a9a
[  600.891782][T10827] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  600.891795][T10827] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  600.891814][T10827] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  600.891826][T10827] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  600.891855][T10827] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  600.891866][T10827] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  600.891878][T10827] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  600.891904][T10827]  </TASK>
[  600.891938][T10827] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  601.058004][T10831] loop3: detected capacity change from 0 to 32768
[  601.137577][T10834] loop2: detected capacity change from 0 to 32768
[  601.221119][T10827] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  601.253674][T10834] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
executing program
[  601.320336][T10831] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  601.335170][T10834] CPU: 0 UID: 0 PID: 10834 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  601.335196][T10834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  601.335205][T10834] Call Trace:
[  601.335213][T10834]  <TASK>
[  601.335220][T10834]  dump_stack_lvl+0xe8/0x150
[  601.335247][T10834]  sysfs_create_dir_ns+0x271/0x2a0
[  601.335272][T10834]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  601.335295][T10834]  ? do_raw_spin_unlock+0xf5/0x210
[  601.335317][T10834]  kobject_add_internal+0x62b/0xd00
[  601.335346][T10834]  kobject_init_and_add+0x12b/0x1a0
[  601.335369][T10834]  ? __pfx_kobject_init_and_add+0x10/0x10
[  601.335391][T10834]  ? __raw_spin_lock_init+0x45/0x100
[  601.335410][T10834]  ? __init_swait_queue_head+0xa9/0x150
[  601.335432][T10834]  gfs2_sys_fs_add+0x257/0x480
[  601.335459][T10834]  ? is_dynamic_key+0x1ac/0x1c0
[  601.335480][T10834]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  601.335505][T10834]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  601.335533][T10834]  gfs2_fill_super+0x13a7/0x21d0
[  601.335562][T10834]  ? __pfx_gfs2_fill_super+0x10/0x10
[  601.335580][T10834]  ? sb_set_blocksize+0x155/0x240
[  601.335602][T10834]  ? setup_bdev_super+0x4c1/0x5b0
[  601.335619][T10834]  get_tree_bdev_flags+0x431/0x4f0
[  601.335636][T10834]  ? __pfx_gfs2_fill_super+0x10/0x10
[  601.335650][T10834]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  601.335663][T10834]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  601.335687][T10834]  gfs2_get_tree+0x51/0x1e0
[  601.335705][T10834]  vfs_get_tree+0x92/0x2a0
[  601.335725][T10834]  do_new_mount+0x341/0xd30
[  601.335744][T10834]  ? apparmor_capable+0x126/0x170
[  601.335766][T10834]  ? __pfx_do_new_mount+0x10/0x10
[  601.335786][T10834]  ? ns_capable+0x89/0xe0
[  601.335816][T10834]  ? user_path_at+0xd4/0x160
[  601.335835][T10834]  __se_sys_mount+0x31d/0x420
[  601.335861][T10834]  ? __pfx___se_sys_mount+0x10/0x10
[  601.335887][T10834]  ? __x64_sys_mount+0x20/0xc0
[  601.335907][T10834]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.335925][T10834]  do_syscall_64+0x15f/0xf80
[  601.335945][T10834]  ? trace_irq_disable+0x3b/0x140
[  601.335964][T10834]  ? clear_bhb_loop+0x40/0x90
[  601.335985][T10834]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.336001][T10834] RIP: 0033:0x7fd238a85a9a
[  601.336018][T10834] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  601.336032][T10834] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  601.336050][T10834] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  601.336062][T10834] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  601.336073][T10834] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  601.336084][T10834] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  601.336095][T10834] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  601.336122][T10834]  </TASK>
[  601.336294][T10834] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  601.358954][T10831] CPU: 1 UID: 0 PID: 10831 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  601.358978][T10831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  601.358988][T10831] Call Trace:
[  601.358996][T10831]  <TASK>
[  601.359003][T10831]  dump_stack_lvl+0xe8/0x150
[  601.359031][T10831]  sysfs_create_dir_ns+0x271/0x2a0
[  601.359056][T10831]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  601.359079][T10831]  ? do_raw_spin_unlock+0xf5/0x210
[  601.359102][T10831]  kobject_add_internal+0x62b/0xd00
[  601.359132][T10831]  kobject_init_and_add+0x12b/0x1a0
[  601.359158][T10831]  ? __pfx_kobject_init_and_add+0x10/0x10
[  601.359181][T10831]  ? __raw_spin_lock_init+0x45/0x100
[  601.359199][T10831]  ? __init_swait_queue_head+0xa9/0x150
[  601.359220][T10831]  gfs2_sys_fs_add+0x257/0x480
[  601.359239][T10831]  ? is_dynamic_key+0x1ac/0x1c0
[  601.359259][T10831]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  601.359285][T10831]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  601.359315][T10831]  gfs2_fill_super+0x13a7/0x21d0
[  601.359345][T10831]  ? __pfx_gfs2_fill_super+0x10/0x10
[  601.359364][T10831]  ? sb_set_blocksize+0x155/0x240
[  601.359388][T10831]  ? setup_bdev_super+0x4c1/0x5b0
[  601.359407][T10831]  get_tree_bdev_flags+0x431/0x4f0
[  601.359425][T10831]  ? __pfx_gfs2_fill_super+0x10/0x10
[  601.359439][T10831]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  601.359454][T10831]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  601.359480][T10831]  gfs2_get_tree+0x51/0x1e0
[  601.359498][T10831]  vfs_get_tree+0x92/0x2a0
[  601.359516][T10831]  do_new_mount+0x341/0xd30
[  601.359536][T10831]  ? apparmor_capable+0x126/0x170
[  601.359556][T10831]  ? __pfx_do_new_mount+0x10/0x10
[  601.359576][T10831]  ? ns_capable+0x89/0xe0
[  601.359605][T10831]  ? user_path_at+0xd4/0x160
[  601.359622][T10831]  __se_sys_mount+0x31d/0x420
[  601.359647][T10831]  ? __pfx___se_sys_mount+0x10/0x10
[  601.359673][T10831]  ? __x64_sys_mount+0x20/0xc0
[  601.359698][T10831]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.359714][T10831]  do_syscall_64+0x15f/0xf80
[  601.359733][T10831]  ? trace_irq_disable+0x3b/0x140
[  601.359752][T10831]  ? clear_bhb_loop+0x40/0x90
[  601.359772][T10831]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.359787][T10831] RIP: 0033:0x7fd238a85a9a
[  601.359802][T10831] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  601.359815][T10831] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  601.359832][T10831] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  601.359844][T10831] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  601.359854][T10831] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  601.359865][T10831] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  601.359875][T10831] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  601.359900][T10831]  </TASK>
[  601.359925][T10831] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  601.440208][T10834] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  601.776001][T10835] loop4: detected capacity change from 0 to 32768
[  601.801070][T10831] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[  602.085969][T10835] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  602.097085][T10835] CPU: 0 UID: 0 PID: 10835 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  602.097109][T10835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  602.097120][T10835] Call Trace:
[  602.097127][T10835]  <TASK>
[  602.097135][T10835]  dump_stack_lvl+0xe8/0x150
[  602.097164][T10835]  sysfs_create_dir_ns+0x271/0x2a0
[  602.097191][T10835]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  602.097215][T10835]  ? do_raw_spin_unlock+0xf5/0x210
[  602.097237][T10835]  kobject_add_internal+0x62b/0xd00
[  602.097268][T10835]  kobject_init_and_add+0x12b/0x1a0
[  602.097296][T10835]  ? __pfx_kobject_init_and_add+0x10/0x10
[  602.097320][T10835]  ? __raw_spin_lock_init+0x45/0x100
[  602.097340][T10835]  ? __init_swait_queue_head+0xa9/0x150
[  602.097361][T10835]  gfs2_sys_fs_add+0x257/0x480
[  602.097393][T10835]  ? is_dynamic_key+0x1ac/0x1c0
[  602.097417][T10835]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  602.097444][T10835]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  602.097475][T10835]  gfs2_fill_super+0x13a7/0x21d0
[  602.097506][T10835]  ? __pfx_gfs2_fill_super+0x10/0x10
[  602.097527][T10835]  ? sb_set_blocksize+0x155/0x240
[  602.097551][T10835]  ? setup_bdev_super+0x4c1/0x5b0
[  602.097571][T10835]  get_tree_bdev_flags+0x431/0x4f0
[  602.097589][T10835]  ? __pfx_gfs2_fill_super+0x10/0x10
[  602.097605][T10835]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  602.097619][T10835]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  602.097813][T10835]  gfs2_get_tree+0x51/0x1e0
[  602.097845][T10835]  vfs_get_tree+0x92/0x2a0
[  602.097866][T10835]  do_new_mount+0x341/0xd30
[  602.097886][T10835]  ? apparmor_capable+0x126/0x170
[  602.097908][T10835]  ? __pfx_do_new_mount+0x10/0x10
[  602.097928][T10835]  ? ns_capable+0x89/0xe0
[  602.097959][T10835]  ? user_path_at+0xd4/0x160
[  602.097977][T10835]  __se_sys_mount+0x31d/0x420
[  602.098003][T10835]  ? __pfx___se_sys_mount+0x10/0x10
[  602.098030][T10835]  ? __x64_sys_mount+0x20/0xc0
[  602.098050][T10835]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.098067][T10835]  do_syscall_64+0x15f/0xf80
[  602.098086][T10835]  ? trace_irq_disable+0x3b/0x140
[  602.098105][T10835]  ? clear_bhb_loop+0x40/0x90
[  602.098125][T10835]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.098140][T10835] RIP: 0033:0x7fd238a85a9a
[  602.098156][T10835] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  602.098168][T10835] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  602.098185][T10835] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  602.098196][T10835] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  602.098205][T10835] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  602.098214][T10835] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  602.098224][T10835] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  602.098249][T10835]  </TASK>
[  602.098298][T10835] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  602.641835][T10835] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  602.991152][T10841] loop0: detected capacity change from 0 to 32768
[  602.993560][T10847] loop2: detected capacity change from 0 to 32768
[  603.037094][T10841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  603.048753][T10847] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  603.055495][T10841] CPU: 1 UID: 0 PID: 10841 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  603.055520][T10841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  603.055530][T10841] Call Trace:
[  603.055537][T10841]  <TASK>
[  603.055544][T10841]  dump_stack_lvl+0xe8/0x150
[  603.055573][T10841]  sysfs_create_dir_ns+0x271/0x2a0
[  603.055599][T10841]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  603.055622][T10841]  ? do_raw_spin_unlock+0xf5/0x210
[  603.055644][T10841]  kobject_add_internal+0x62b/0xd00
[  603.055675][T10841]  kobject_init_and_add+0x12b/0x1a0
[  603.055701][T10841]  ? __pfx_kobject_init_and_add+0x10/0x10
[  603.055724][T10841]  ? __raw_spin_lock_init+0x45/0x100
[  603.055742][T10841]  ? __init_swait_queue_head+0xa9/0x150
[  603.055763][T10841]  gfs2_sys_fs_add+0x257/0x480
[  603.055783][T10841]  ? is_dynamic_key+0x1ac/0x1c0
[  603.055804][T10841]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  603.055830][T10841]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  603.055859][T10841]  gfs2_fill_super+0x13a7/0x21d0
[  603.055889][T10841]  ? __pfx_gfs2_fill_super+0x10/0x10
[  603.055908][T10841]  ? sb_set_blocksize+0x155/0x240
[  603.055934][T10841]  ? setup_bdev_super+0x4c1/0x5b0
[  603.055953][T10841]  get_tree_bdev_flags+0x431/0x4f0
[  603.055971][T10841]  ? __pfx_gfs2_fill_super+0x10/0x10
[  603.055989][T10841]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  603.056004][T10841]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  603.056030][T10841]  gfs2_get_tree+0x51/0x1e0
[  603.056048][T10841]  vfs_get_tree+0x92/0x2a0
[  603.056066][T10841]  do_new_mount+0x341/0xd30
[  603.056085][T10841]  ? apparmor_capable+0x126/0x170
[  603.056106][T10841]  ? __pfx_do_new_mount+0x10/0x10
[  603.056125][T10841]  ? ns_capable+0x89/0xe0
[  603.056153][T10841]  ? user_path_at+0xd4/0x160
[  603.056168][T10841]  __se_sys_mount+0x31d/0x420
[  603.056191][T10841]  ? __pfx___se_sys_mount+0x10/0x10
[  603.056214][T10841]  ? __x64_sys_mount+0x20/0xc0
[  603.056232][T10841]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.056249][T10841]  do_syscall_64+0x15f/0xf80
[  603.056269][T10841]  ? trace_irq_disable+0x3b/0x140
[  603.056287][T10841]  ? clear_bhb_loop+0x40/0x90
[  603.056307][T10841]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.056322][T10841] RIP: 0033:0x7fd238a85a9a
[  603.056346][T10841] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  603.056359][T10841] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  603.056377][T10841] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  603.056389][T10841] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  603.056400][T10841] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  603.056410][T10841] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  603.056420][T10841] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  603.056445][T10841]  </TASK>
[  603.058075][T10841] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  603.100209][T10847] CPU: 0 UID: 0 PID: 10847 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  603.100235][T10847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  603.100245][T10847] Call Trace:
[  603.100253][T10847]  <TASK>
[  603.100260][T10847]  dump_stack_lvl+0xe8/0x150
[  603.100287][T10847]  sysfs_create_dir_ns+0x271/0x2a0
[  603.100312][T10847]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  603.100335][T10847]  ? do_raw_spin_unlock+0xf5/0x210
[  603.100357][T10847]  kobject_add_internal+0x62b/0xd00
[  603.100388][T10847]  kobject_init_and_add+0x12b/0x1a0
[  603.100413][T10847]  ? __pfx_kobject_init_and_add+0x10/0x10
[  603.100436][T10847]  ? __raw_spin_lock_init+0x45/0x100
[  603.100456][T10847]  ? __init_swait_queue_head+0xa9/0x150
[  603.100477][T10847]  gfs2_sys_fs_add+0x257/0x480
[  603.100496][T10847]  ? is_dynamic_key+0x1ac/0x1c0
[  603.100516][T10847]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  603.100543][T10847]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  603.100572][T10847]  gfs2_fill_super+0x13a7/0x21d0
[  603.100608][T10847]  ? __pfx_gfs2_fill_super+0x10/0x10
[  603.100627][T10847]  ? sb_set_blocksize+0x155/0x240
[  603.100651][T10847]  ? setup_bdev_super+0x4c1/0x5b0
[  603.100671][T10847]  get_tree_bdev_flags+0x431/0x4f0
[  603.100689][T10847]  ? __pfx_gfs2_fill_super+0x10/0x10
[  603.100703][T10847]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  603.100717][T10847]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  603.100743][T10847]  gfs2_get_tree+0x51/0x1e0
[  603.100761][T10847]  vfs_get_tree+0x92/0x2a0
[  603.100780][T10847]  do_new_mount+0x341/0xd30
[  603.100799][T10847]  ? apparmor_capable+0x126/0x170
[  603.100819][T10847]  ? __pfx_do_new_mount+0x10/0x10
[  603.100838][T10847]  ? ns_capable+0x89/0xe0
[  603.100867][T10847]  ? user_path_at+0xd4/0x160
[  603.100884][T10847]  __se_sys_mount+0x31d/0x420
[  603.100909][T10847]  ? __pfx___se_sys_mount+0x10/0x10
[  603.100934][T10847]  ? __x64_sys_mount+0x20/0xc0
[  603.100953][T10847]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.100969][T10847]  do_syscall_64+0x15f/0xf80
[  603.100989][T10847]  ? trace_irq_disable+0x3b/0x140
[  603.101007][T10847]  ? clear_bhb_loop+0x40/0x90
[  603.101025][T10847]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.101040][T10847] RIP: 0033:0x7fd238a85a9a
[  603.101056][T10847] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  603.101068][T10847] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  603.101086][T10847] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  603.101097][T10847] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  603.101109][T10847] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  603.101119][T10847] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  603.101129][T10847] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  603.101153][T10847]  </TASK>
[  603.101179][T10847] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  603.328218][T10841] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  603.424834][T10847] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  603.824125][T10848] loop3: detected capacity change from 0 to 32768
[  603.859227][T10848] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  603.877146][T10848] CPU: 1 UID: 0 PID: 10848 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  603.877170][T10848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  603.877181][T10848] Call Trace:
[  603.877188][T10848]  <TASK>
[  603.877195][T10848]  dump_stack_lvl+0xe8/0x150
[  603.877222][T10848]  sysfs_create_dir_ns+0x271/0x2a0
[  603.877245][T10848]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  603.877267][T10848]  ? do_raw_spin_unlock+0xf5/0x210
executing program
executing program
[  603.877287][T10848]  kobject_add_internal+0x62b/0xd00
[  603.877315][T10848]  kobject_init_and_add+0x12b/0x1a0
[  603.877341][T10848]  ? __pfx_kobject_init_and_add+0x10/0x10
[  603.877362][T10848]  ? __raw_spin_lock_init+0x45/0x100
[  603.877380][T10848]  ? __init_swait_queue_head+0xa9/0x150
[  603.877400][T10848]  gfs2_sys_fs_add+0x257/0x480
[  603.877417][T10848]  ? is_dynamic_key+0x1ac/0x1c0
[  603.877438][T10848]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  603.877463][T10848]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  603.877491][T10848]  gfs2_fill_super+0x13a7/0x21d0
[  603.877519][T10848]  ? __pfx_gfs2_fill_super+0x10/0x10
[  603.877545][T10848]  ? sb_set_blocksize+0x155/0x240
[  603.877568][T10848]  ? setup_bdev_super+0x4c1/0x5b0
[  603.877587][T10848]  get_tree_bdev_flags+0x431/0x4f0
[  603.877604][T10848]  ? __pfx_gfs2_fill_super+0x10/0x10
[  603.877618][T10848]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  603.877631][T10848]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  603.877656][T10848]  gfs2_get_tree+0x51/0x1e0
[  603.877674][T10848]  vfs_get_tree+0x92/0x2a0
[  603.877691][T10848]  do_new_mount+0x341/0xd30
[  603.877709][T10848]  ? apparmor_capable+0x126/0x170
[  603.877728][T10848]  ? __pfx_do_new_mount+0x10/0x10
[  603.877747][T10848]  ? ns_capable+0x89/0xe0
[  603.877776][T10848]  ? user_path_at+0xd4/0x160
[  603.877792][T10848]  __se_sys_mount+0x31d/0x420
[  603.877817][T10848]  ? __pfx___se_sys_mount+0x10/0x10
[  603.877840][T10848]  ? __x64_sys_mount+0x20/0xc0
[  603.877858][T10848]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.877874][T10848]  do_syscall_64+0x15f/0xf80
[  603.877892][T10848]  ? trace_irq_disable+0x3b/0x140
[  603.877910][T10848]  ? clear_bhb_loop+0x40/0x90
[  603.877928][T10848]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.877943][T10848] RIP: 0033:0x7fd238a85a9a
[  603.877958][T10848] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  603.877971][T10848] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  603.877988][T10848] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  603.877999][T10848] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  603.878009][T10848] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  603.878018][T10848] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  603.878028][T10848] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  603.878053][T10848]  </TASK>
executing program
[  603.878081][T10848] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  604.159242][T10849] loop4: detected capacity change from 0 to 32768
[  604.305279][T10849] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  604.320239][T10849] CPU: 1 UID: 0 PID: 10849 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  604.320274][T10849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  604.320284][T10849] Call Trace:
[  604.320292][T10849]  <TASK>
[  604.320300][T10849]  dump_stack_lvl+0xe8/0x150
[  604.320330][T10849]  sysfs_create_dir_ns+0x271/0x2a0
[  604.320356][T10849]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  604.320379][T10849]  ? do_raw_spin_unlock+0xf5/0x210
[  604.320402][T10849]  kobject_add_internal+0x62b/0xd00
[  604.320433][T10849]  kobject_init_and_add+0x12b/0x1a0
[  604.320461][T10849]  ? __pfx_kobject_init_and_add+0x10/0x10
[  604.320484][T10849]  ? __raw_spin_lock_init+0x45/0x100
[  604.320505][T10849]  ? __init_swait_queue_head+0xa9/0x150
[  604.320525][T10849]  gfs2_sys_fs_add+0x257/0x480
[  604.320545][T10849]  ? is_dynamic_key+0x1ac/0x1c0
[  604.320568][T10849]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  604.320595][T10849]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  604.320627][T10849]  gfs2_fill_super+0x13a7/0x21d0
[  604.320658][T10849]  ? __pfx_gfs2_fill_super+0x10/0x10
[  604.320678][T10849]  ? sb_set_blocksize+0x155/0x240
[  604.320702][T10849]  ? setup_bdev_super+0x4c1/0x5b0
[  604.320723][T10849]  get_tree_bdev_flags+0x431/0x4f0
[  604.320741][T10849]  ? __pfx_gfs2_fill_super+0x10/0x10
[  604.320756][T10849]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  604.320772][T10849]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  604.320798][T10849]  gfs2_get_tree+0x51/0x1e0
[  604.320818][T10849]  vfs_get_tree+0x92/0x2a0
[  604.320837][T10849]  do_new_mount+0x341/0xd30
[  604.320856][T10849]  ? apparmor_capable+0x126/0x170
[  604.320877][T10849]  ? __pfx_do_new_mount+0x10/0x10
[  604.320897][T10849]  ? ns_capable+0x89/0xe0
[  604.320929][T10849]  ? user_path_at+0xd4/0x160
[  604.320947][T10849]  __se_sys_mount+0x31d/0x420
[  604.320974][T10849]  ? __pfx___se_sys_mount+0x10/0x10
[  604.321000][T10849]  ? __x64_sys_mount+0x20/0xc0
[  604.321019][T10849]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.321037][T10849]  do_syscall_64+0x15f/0xf80
[  604.321058][T10849]  ? trace_irq_disable+0x3b/0x140
[  604.321077][T10849]  ? clear_bhb_loop+0x40/0x90
[  604.321097][T10849]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.321114][T10849] RIP: 0033:0x7fd238a85a9a
[  604.321130][T10849] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  604.321143][T10849] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  604.321162][T10849] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  604.321174][T10849] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  604.321185][T10849] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  604.321196][T10849] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  604.321207][T10849] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  604.321233][T10849]  </TASK>
[  604.321257][T10849] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  604.525717][T10848] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  604.743711][T10849] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  605.035077][T10857] loop2: detected capacity change from 0 to 32768
[  605.061236][T10857] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  605.089467][T10857] CPU: 0 UID: 0 PID: 10857 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  605.089492][T10857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  605.089503][T10857] Call Trace:
[  605.089510][T10857]  <TASK>
[  605.089519][T10857]  dump_stack_lvl+0xe8/0x150
[  605.089547][T10857]  sysfs_create_dir_ns+0x271/0x2a0
[  605.089573][T10857]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  605.089595][T10857]  ? do_raw_spin_unlock+0xf5/0x210
[  605.089619][T10857]  kobject_add_internal+0x62b/0xd00
[  605.089650][T10857]  kobject_init_and_add+0x12b/0x1a0
[  605.089678][T10857]  ? __pfx_kobject_init_and_add+0x10/0x10
[  605.089700][T10857]  ? __raw_spin_lock_init+0x45/0x100
[  605.089721][T10857]  ? __init_swait_queue_head+0xa9/0x150
[  605.089743][T10857]  gfs2_sys_fs_add+0x257/0x480
[  605.089762][T10857]  ? is_dynamic_key+0x1ac/0x1c0
[  605.089781][T10857]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  605.089809][T10857]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  605.089840][T10857]  gfs2_fill_super+0x13a7/0x21d0
[  605.089871][T10857]  ? __pfx_gfs2_fill_super+0x10/0x10
[  605.089891][T10857]  ? sb_set_blocksize+0x155/0x240
[  605.089914][T10857]  ? setup_bdev_super+0x4c1/0x5b0
[  605.089934][T10857]  get_tree_bdev_flags+0x431/0x4f0
[  605.089952][T10857]  ? __pfx_gfs2_fill_super+0x10/0x10
[  605.089967][T10857]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  605.089987][T10857]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  605.090013][T10857]  gfs2_get_tree+0x51/0x1e0
[  605.090033][T10857]  vfs_get_tree+0x92/0x2a0
[  605.090053][T10857]  do_new_mount+0x341/0xd30
[  605.090073][T10857]  ? apparmor_capable+0x126/0x170
[  605.090095][T10857]  ? __pfx_do_new_mount+0x10/0x10
[  605.090116][T10857]  ? ns_capable+0x89/0xe0
[  605.090149][T10857]  ? user_path_at+0xd4/0x160
[  605.090164][T10857]  __se_sys_mount+0x31d/0x420
[  605.090197][T10857]  ? __pfx___se_sys_mount+0x10/0x10
[  605.090223][T10857]  ? __x64_sys_mount+0x20/0xc0
[  605.090242][T10857]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.090260][T10857]  do_syscall_64+0x15f/0xf80
[  605.090280][T10857]  ? trace_irq_disable+0x3b/0x140
[  605.090298][T10857]  ? clear_bhb_loop+0x40/0x90
[  605.090316][T10857]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.090332][T10857] RIP: 0033:0x7fd238a85a9a
[  605.090348][T10857] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  605.090362][T10857] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  605.090381][T10857] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  605.090393][T10857] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  605.090404][T10857] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  605.090416][T10857] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  605.090426][T10857] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  605.090452][T10857]  </TASK>
executing program
executing program
[  605.573853][T10861] loop4: detected capacity change from 0 to 32768
[  605.578221][T10857] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  605.600397][T10858] loop0: detected capacity change from 0 to 32768
[  605.650509][T10861] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  605.658301][T10861] CPU: 0 UID: 0 PID: 10861 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  605.658325][T10861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  605.658336][T10861] Call Trace:
[  605.658343][T10861]  <TASK>
[  605.658350][T10861]  dump_stack_lvl+0xe8/0x150
[  605.658380][T10861]  sysfs_create_dir_ns+0x271/0x2a0
[  605.658406][T10861]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  605.658428][T10861]  ? do_raw_spin_unlock+0xf5/0x210
[  605.658452][T10861]  kobject_add_internal+0x62b/0xd00
[  605.658483][T10861]  kobject_init_and_add+0x12b/0x1a0
[  605.658510][T10861]  ? __pfx_kobject_init_and_add+0x10/0x10
[  605.658532][T10861]  ? __raw_spin_lock_init+0x45/0x100
[  605.658551][T10861]  ? __init_swait_queue_head+0xa9/0x150
[  605.658573][T10861]  gfs2_sys_fs_add+0x257/0x480
[  605.658593][T10861]  ? is_dynamic_key+0x1ac/0x1c0
[  605.658615][T10861]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  605.658643][T10861]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  605.658673][T10861]  gfs2_fill_super+0x13a7/0x21d0
[  605.658704][T10861]  ? __pfx_gfs2_fill_super+0x10/0x10
[  605.658723][T10861]  ? sb_set_blocksize+0x155/0x240
[  605.658746][T10861]  ? setup_bdev_super+0x4c1/0x5b0
[  605.658767][T10861]  get_tree_bdev_flags+0x431/0x4f0
[  605.658784][T10861]  ? __pfx_gfs2_fill_super+0x10/0x10
[  605.658799][T10861]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  605.658813][T10861]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  605.658839][T10861]  gfs2_get_tree+0x51/0x1e0
[  605.658859][T10861]  vfs_get_tree+0x92/0x2a0
[  605.658878][T10861]  do_new_mount+0x341/0xd30
[  605.658897][T10861]  ? apparmor_capable+0x126/0x170
[  605.658918][T10861]  ? __pfx_do_new_mount+0x10/0x10
[  605.658939][T10861]  ? ns_capable+0x89/0xe0
[  605.658968][T10861]  ? user_path_at+0xd4/0x160
[  605.658986][T10861]  __se_sys_mount+0x31d/0x420
[  605.659012][T10861]  ? __pfx___se_sys_mount+0x10/0x10
[  605.659038][T10861]  ? __x64_sys_mount+0x20/0xc0
[  605.659056][T10861]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.659074][T10861]  do_syscall_64+0x15f/0xf80
[  605.659094][T10861]  ? trace_irq_disable+0x3b/0x140
[  605.659113][T10861]  ? clear_bhb_loop+0x40/0x90
[  605.659134][T10861]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.659151][T10861] RIP: 0033:0x7fd238a85a9a
executing program
[  605.659177][T10861] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  605.659190][T10861] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  605.659209][T10861] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  605.659220][T10861] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  605.659231][T10861] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  605.659242][T10861] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  605.659252][T10861] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  605.659279][T10861]  </TASK>
[  605.659302][T10861] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  605.676451][T10858] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  605.696065][T10861] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  605.707847][T10857] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  605.779779][T10858] CPU: 0 UID: 0 PID: 10858 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  605.779804][T10858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  605.779814][T10858] Call Trace:
[  605.779822][T10858]  <TASK>
[  605.779829][T10858]  dump_stack_lvl+0xe8/0x150
[  605.779857][T10858]  sysfs_create_dir_ns+0x271/0x2a0
[  605.779882][T10858]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  605.779904][T10858]  ? do_raw_spin_unlock+0xf5/0x210
[  605.779927][T10858]  kobject_add_internal+0x62b/0xd00
[  605.779958][T10858]  kobject_init_and_add+0x12b/0x1a0
[  605.779984][T10858]  ? __pfx_kobject_init_and_add+0x10/0x10
[  605.780007][T10858]  ? __raw_spin_lock_init+0x45/0x100
[  605.780026][T10858]  ? __init_swait_queue_head+0xa9/0x150
[  605.780047][T10858]  gfs2_sys_fs_add+0x257/0x480
[  605.780065][T10858]  ? is_dynamic_key+0x1ac/0x1c0
[  605.780094][T10858]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  605.780119][T10858]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  605.780151][T10858]  gfs2_fill_super+0x13a7/0x21d0
[  605.780181][T10858]  ? __pfx_gfs2_fill_super+0x10/0x10
[  605.780202][T10858]  ? sb_set_blocksize+0x155/0x240
[  605.780226][T10858]  ? setup_bdev_super+0x4c1/0x5b0
[  605.780245][T10858]  get_tree_bdev_flags+0x431/0x4f0
[  605.780263][T10858]  ? __pfx_gfs2_fill_super+0x10/0x10
[  605.780278][T10858]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  605.780293][T10858]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  605.780318][T10858]  gfs2_get_tree+0x51/0x1e0
[  605.780343][T10858]  vfs_get_tree+0x92/0x2a0
[  605.780362][T10858]  do_new_mount+0x341/0xd30
[  605.780381][T10858]  ? apparmor_capable+0x126/0x170
[  605.780401][T10858]  ? __pfx_do_new_mount+0x10/0x10
[  605.780420][T10858]  ? ns_capable+0x89/0xe0
[  605.780450][T10858]  ? user_path_at+0xd4/0x160
[  605.780467][T10858]  __se_sys_mount+0x31d/0x420
[  605.780493][T10858]  ? __pfx___se_sys_mount+0x10/0x10
[  605.780518][T10858]  ? __x64_sys_mount+0x20/0xc0
[  605.780537][T10858]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.780553][T10858]  do_syscall_64+0x15f/0xf80
[  605.780572][T10858]  ? trace_irq_disable+0x3b/0x140
[  605.780590][T10858]  ? clear_bhb_loop+0x40/0x90
[  605.780609][T10858]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.780625][T10858] RIP: 0033:0x7fd238a85a9a
[  605.780640][T10858] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  605.780653][T10858] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  605.780670][T10858] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  605.780682][T10858] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  605.780692][T10858] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  605.780703][T10858] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  605.780714][T10858] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  605.780745][T10858]  </TASK>
[  605.780844][T10858] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  606.455472][T10858] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[  607.059098][T10865] loop3: detected capacity change from 0 to 32768
[  607.105307][T10865] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  607.124110][T10865] CPU: 1 UID: 0 PID: 10865 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  607.124136][T10865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  607.124146][T10865] Call Trace:
[  607.124155][T10865]  <TASK>
[  607.124163][T10865]  dump_stack_lvl+0xe8/0x150
[  607.124191][T10865]  sysfs_create_dir_ns+0x271/0x2a0
[  607.124217][T10865]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  607.124241][T10865]  ? do_raw_spin_unlock+0xf5/0x210
[  607.124272][T10865]  kobject_add_internal+0x62b/0xd00
[  607.124304][T10865]  kobject_init_and_add+0x12b/0x1a0
[  607.124332][T10865]  ? __pfx_kobject_init_and_add+0x10/0x10
[  607.124356][T10865]  ? __raw_spin_lock_init+0x45/0x100
[  607.124376][T10865]  ? __init_swait_queue_head+0xa9/0x150
[  607.124398][T10865]  gfs2_sys_fs_add+0x257/0x480
[  607.124417][T10865]  ? is_dynamic_key+0x1ac/0x1c0
[  607.124439][T10865]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  607.124468][T10865]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  607.124499][T10865]  gfs2_fill_super+0x13a7/0x21d0
[  607.124530][T10865]  ? __pfx_gfs2_fill_super+0x10/0x10
[  607.124551][T10865]  ? sb_set_blocksize+0x155/0x240
[  607.124576][T10865]  ? setup_bdev_super+0x4c1/0x5b0
[  607.124597][T10865]  get_tree_bdev_flags+0x431/0x4f0
[  607.124616][T10865]  ? __pfx_gfs2_fill_super+0x10/0x10
[  607.124631][T10865]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  607.124646][T10865]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  607.124672][T10865]  gfs2_get_tree+0x51/0x1e0
[  607.124692][T10865]  vfs_get_tree+0x92/0x2a0
[  607.124712][T10865]  do_new_mount+0x341/0xd30
[  607.124732][T10865]  ? apparmor_capable+0x126/0x170
[  607.124754][T10865]  ? __pfx_do_new_mount+0x10/0x10
[  607.124774][T10865]  ? ns_capable+0x89/0xe0
[  607.124806][T10865]  ? user_path_at+0xd4/0x160
[  607.124824][T10865]  __se_sys_mount+0x31d/0x420
[  607.124850][T10865]  ? __pfx___se_sys_mount+0x10/0x10
[  607.124877][T10865]  ? __x64_sys_mount+0x20/0xc0
[  607.124896][T10865]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.124914][T10865]  do_syscall_64+0x15f/0xf80
[  607.124933][T10865]  ? trace_irq_disable+0x3b/0x140
[  607.124954][T10865]  ? clear_bhb_loop+0x40/0x90
[  607.124974][T10865]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.124990][T10865] RIP: 0033:0x7fd238a85a9a
[  607.125005][T10865] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  607.125019][T10865] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  607.125038][T10865] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  607.125049][T10865] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  607.125061][T10865] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  607.125072][T10865] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  607.125083][T10865] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  607.125108][T10865]  </TASK>
[  607.125132][T10865] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  607.231722][T10870] loop4: detected capacity change from 0 to 32768
[  607.350220][T10865] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  607.488598][T10870] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  607.510353][T10870] CPU: 0 UID: 0 PID: 10870 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  607.510379][T10870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  607.510389][T10870] Call Trace:
[  607.510397][T10870]  <TASK>
[  607.510405][T10870]  dump_stack_lvl+0xe8/0x150
[  607.510434][T10870]  sysfs_create_dir_ns+0x271/0x2a0
[  607.510461][T10870]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  607.510485][T10870]  ? do_raw_spin_unlock+0xf5/0x210
[  607.510518][T10870]  kobject_add_internal+0x62b/0xd00
[  607.510550][T10870]  kobject_init_and_add+0x12b/0x1a0
[  607.510578][T10870]  ? __pfx_kobject_init_and_add+0x10/0x10
[  607.510601][T10870]  ? __raw_spin_lock_init+0x45/0x100
[  607.510621][T10870]  ? __init_swait_queue_head+0xa9/0x150
[  607.510642][T10870]  gfs2_sys_fs_add+0x257/0x480
[  607.510661][T10870]  ? is_dynamic_key+0x1ac/0x1c0
[  607.510683][T10870]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  607.510710][T10870]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  607.510741][T10870]  gfs2_fill_super+0x13a7/0x21d0
[  607.510773][T10870]  ? __pfx_gfs2_fill_super+0x10/0x10
[  607.510793][T10870]  ? sb_set_blocksize+0x155/0x240
[  607.510817][T10870]  ? setup_bdev_super+0x4c1/0x5b0
[  607.510838][T10870]  get_tree_bdev_flags+0x431/0x4f0
[  607.510857][T10870]  ? __pfx_gfs2_fill_super+0x10/0x10
[  607.510872][T10870]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  607.510888][T10870]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  607.510915][T10870]  gfs2_get_tree+0x51/0x1e0
[  607.510938][T10870]  vfs_get_tree+0x92/0x2a0
[  607.510966][T10870]  do_new_mount+0x341/0xd30
[  607.510986][T10870]  ? apparmor_capable+0x126/0x170
[  607.511006][T10870]  ? __pfx_do_new_mount+0x10/0x10
[  607.511027][T10870]  ? ns_capable+0x89/0xe0
[  607.511059][T10870]  ? user_path_at+0xd4/0x160
[  607.511078][T10870]  __se_sys_mount+0x31d/0x420
[  607.511103][T10870]  ? __pfx___se_sys_mount+0x10/0x10
[  607.511130][T10870]  ? __x64_sys_mount+0x20/0xc0
[  607.511150][T10870]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.511168][T10870]  do_syscall_64+0x15f/0xf80
[  607.511188][T10870]  ? trace_irq_disable+0x3b/0x140
[  607.511311][T10870]  ? clear_bhb_loop+0x40/0x90
[  607.511344][T10870]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.511362][T10870] RIP: 0033:0x7fd238a85a9a
[  607.511379][T10870] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  607.511393][T10870] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  607.511412][T10870] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  607.511424][T10870] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  607.511435][T10870] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  607.511446][T10870] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  607.511456][T10870] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  607.511482][T10870]  </TASK>
[  607.516616][T10870] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  607.712622][T10871] loop2: detected capacity change from 0 to 32768
[  607.716212][T10870] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  607.721910][T10873] loop0: detected capacity change from 0 to 32768
[  607.890203][T10871] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  607.902827][T10871] CPU: 0 UID: 0 PID: 10871 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  607.902852][T10871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  607.902863][T10871] Call Trace:
[  607.902870][T10871]  <TASK>
[  607.902878][T10871]  dump_stack_lvl+0xe8/0x150
[  607.902907][T10871]  sysfs_create_dir_ns+0x271/0x2a0
[  607.902933][T10871]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  607.902957][T10871]  ? do_raw_spin_unlock+0xf5/0x210
[  607.902981][T10871]  kobject_add_internal+0x62b/0xd00
[  607.903012][T10871]  kobject_init_and_add+0x12b/0x1a0
[  607.903040][T10871]  ? __pfx_kobject_init_and_add+0x10/0x10
[  607.903064][T10871]  ? __raw_spin_lock_init+0x45/0x100
[  607.903084][T10871]  ? __init_swait_queue_head+0xa9/0x150
[  607.903106][T10871]  gfs2_sys_fs_add+0x257/0x480
[  607.903125][T10871]  ? is_dynamic_key+0x1ac/0x1c0
executing program
[  607.903147][T10871]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  607.903180][T10871]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  607.903212][T10871]  gfs2_fill_super+0x13a7/0x21d0
[  607.903243][T10871]  ? __pfx_gfs2_fill_super+0x10/0x10
[  607.903263][T10871]  ? sb_set_blocksize+0x155/0x240
[  607.903288][T10871]  ? setup_bdev_super+0x4c1/0x5b0
[  607.903310][T10871]  get_tree_bdev_flags+0x431/0x4f0
[  607.903328][T10871]  ? __pfx_gfs2_fill_super+0x10/0x10
[  607.903344][T10871]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  607.903359][T10871]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  607.903386][T10871]  gfs2_get_tree+0x51/0x1e0
[  607.903406][T10871]  vfs_get_tree+0x92/0x2a0
[  607.903425][T10871]  do_new_mount+0x341/0xd30
[  607.903445][T10871]  ? apparmor_capable+0x126/0x170
[  607.903466][T10871]  ? __pfx_do_new_mount+0x10/0x10
[  607.903486][T10871]  ? ns_capable+0x89/0xe0
[  607.903518][T10871]  ? user_path_at+0xd4/0x160
[  607.903537][T10871]  __se_sys_mount+0x31d/0x420
[  607.903564][T10871]  ? __pfx___se_sys_mount+0x10/0x10
[  607.903590][T10871]  ? __x64_sys_mount+0x20/0xc0
[  607.903610][T10871]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.903629][T10871]  do_syscall_64+0x15f/0xf80
[  607.903649][T10871]  ? trace_irq_disable+0x3b/0x140
[  607.903669][T10871]  ? clear_bhb_loop+0x40/0x90
[  607.903689][T10871]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.903706][T10871] RIP: 0033:0x7fd238a85a9a
[  607.903721][T10871] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  607.903735][T10871] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  607.903754][T10871] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  607.903766][T10871] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  607.903777][T10871] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  607.903788][T10871] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  607.903799][T10871] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  607.903826][T10871]  </TASK>
[  607.903850][T10871] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  608.091115][T10873] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  608.094470][T10871] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  608.130323][T10873] CPU: 1 UID: 0 PID: 10873 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  608.130347][T10873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  608.130358][T10873] Call Trace:
[  608.130365][T10873]  <TASK>
[  608.130373][T10873]  dump_stack_lvl+0xe8/0x150
[  608.130401][T10873]  sysfs_create_dir_ns+0x271/0x2a0
[  608.130425][T10873]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  608.130448][T10873]  ? do_raw_spin_unlock+0xf5/0x210
[  608.130470][T10873]  kobject_add_internal+0x62b/0xd00
[  608.130500][T10873]  kobject_init_and_add+0x12b/0x1a0
[  608.130526][T10873]  ? __pfx_kobject_init_and_add+0x10/0x10
[  608.130548][T10873]  ? __raw_spin_lock_init+0x45/0x100
[  608.130567][T10873]  ? __init_swait_queue_head+0xa9/0x150
[  608.130587][T10873]  gfs2_sys_fs_add+0x257/0x480
[  608.130606][T10873]  ? is_dynamic_key+0x1ac/0x1c0
[  608.130628][T10873]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  608.130654][T10873]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  608.130683][T10873]  gfs2_fill_super+0x13a7/0x21d0
[  608.130713][T10873]  ? __pfx_gfs2_fill_super+0x10/0x10
[  608.130732][T10873]  ? sb_set_blocksize+0x155/0x240
[  608.130756][T10873]  ? setup_bdev_super+0x4c1/0x5b0
[  608.130776][T10873]  get_tree_bdev_flags+0x431/0x4f0
[  608.130793][T10873]  ? __pfx_gfs2_fill_super+0x10/0x10
[  608.130808][T10873]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  608.130823][T10873]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  608.130848][T10873]  gfs2_get_tree+0x51/0x1e0
[  608.130867][T10873]  vfs_get_tree+0x92/0x2a0
[  608.130892][T10873]  do_new_mount+0x341/0xd30
[  608.130912][T10873]  ? apparmor_capable+0x126/0x170
[  608.130932][T10873]  ? __pfx_do_new_mount+0x10/0x10
[  608.130951][T10873]  ? ns_capable+0x89/0xe0
[  608.130981][T10873]  ? user_path_at+0xd4/0x160
[  608.130999][T10873]  __se_sys_mount+0x31d/0x420
[  608.131023][T10873]  ? __pfx___se_sys_mount+0x10/0x10
[  608.131049][T10873]  ? __x64_sys_mount+0x20/0xc0
[  608.131067][T10873]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.131084][T10873]  do_syscall_64+0x15f/0xf80
[  608.131102][T10873]  ? trace_irq_disable+0x3b/0x140
[  608.131120][T10873]  ? clear_bhb_loop+0x40/0x90
[  608.131145][T10873]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
executing program
[  608.131160][T10873] RIP: 0033:0x7fd238a85a9a
[  608.131176][T10873] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  608.131189][T10873] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  608.131207][T10873] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  608.131218][T10873] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
executing program
executing program
[  608.131229][T10873] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  608.131239][T10873] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  608.131248][T10873] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  608.131274][T10873]  </TASK>
[  608.131297][T10873] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  608.533791][T10873] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  609.456433][T10883] loop4: detected capacity change from 0 to 32768
[  609.483664][T10883] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  609.510554][T10883] CPU: 1 UID: 0 PID: 10883 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  609.510579][T10883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  609.510590][T10883] Call Trace:
[  609.510598][T10883]  <TASK>
[  609.510606][T10883]  dump_stack_lvl+0xe8/0x150
[  609.510635][T10883]  sysfs_create_dir_ns+0x271/0x2a0
[  609.510661][T10883]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  609.510685][T10883]  ? do_raw_spin_unlock+0xf5/0x210
[  609.510708][T10883]  kobject_add_internal+0x62b/0xd00
[  609.510737][T10883]  kobject_init_and_add+0x12b/0x1a0
[  609.510764][T10883]  ? __pfx_kobject_init_and_add+0x10/0x10
[  609.510787][T10883]  ? __raw_spin_lock_init+0x45/0x100
[  609.510805][T10883]  ? __init_swait_queue_head+0xa9/0x150
[  609.510825][T10883]  gfs2_sys_fs_add+0x257/0x480
[  609.510844][T10883]  ? is_dynamic_key+0x1ac/0x1c0
[  609.510866][T10883]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  609.510893][T10883]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  609.511039][T10883]  gfs2_fill_super+0x13a7/0x21d0
[  609.511071][T10883]  ? __pfx_gfs2_fill_super+0x10/0x10
[  609.511092][T10883]  ? sb_set_blocksize+0x155/0x240
[  609.511116][T10883]  ? setup_bdev_super+0x4c1/0x5b0
[  609.511141][T10883]  get_tree_bdev_flags+0x431/0x4f0
[  609.511159][T10883]  ? __pfx_gfs2_fill_super+0x10/0x10
[  609.511173][T10883]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  609.511187][T10883]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  609.511209][T10883]  gfs2_get_tree+0x51/0x1e0
[  609.511227][T10883]  vfs_get_tree+0x92/0x2a0
[  609.511245][T10883]  do_new_mount+0x341/0xd30
[  609.511264][T10883]  ? apparmor_capable+0x126/0x170
[  609.511283][T10883]  ? __pfx_do_new_mount+0x10/0x10
[  609.511302][T10883]  ? ns_capable+0x89/0xe0
[  609.511332][T10883]  ? user_path_at+0xd4/0x160
[  609.511347][T10883]  __se_sys_mount+0x31d/0x420
[  609.511371][T10883]  ? __pfx___se_sys_mount+0x10/0x10
[  609.511398][T10883]  ? __x64_sys_mount+0x20/0xc0
[  609.511417][T10883]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.511435][T10883]  do_syscall_64+0x15f/0xf80
[  609.511454][T10883]  ? trace_irq_disable+0x3b/0x140
[  609.511473][T10883]  ? clear_bhb_loop+0x40/0x90
[  609.511493][T10883]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.511507][T10883] RIP: 0033:0x7fd238a85a9a
[  609.511524][T10883] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  609.511539][T10883] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  609.511557][T10883] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  609.511569][T10883] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  609.511580][T10883] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  609.511591][T10883] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  609.511602][T10883] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  609.511629][T10883]  </TASK>
executing program
executing program
[  609.511654][T10883] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  609.605353][T10884] loop0: detected capacity change from 0 to 32768
[  609.611021][T10883] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  609.668154][T10885] loop2: detected capacity change from 0 to 32768
[  609.714542][T10886] loop3: detected capacity change from 0 to 32768
[  609.790106][T10884] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  609.917100][T10886] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  609.930333][T10886] CPU: 1 UID: 0 PID: 10886 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  609.930358][T10886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  609.930368][T10886] Call Trace:
[  609.930376][T10886]  <TASK>
[  609.930383][T10886]  dump_stack_lvl+0xe8/0x150
[  609.930412][T10886]  sysfs_create_dir_ns+0x271/0x2a0
[  609.930439][T10886]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  609.930464][T10886]  ? do_raw_spin_unlock+0xf5/0x210
[  609.930487][T10886]  kobject_add_internal+0x62b/0xd00
[  609.930516][T10886]  kobject_init_and_add+0x12b/0x1a0
[  609.930542][T10886]  ? __pfx_kobject_init_and_add+0x10/0x10
[  609.930564][T10886]  ? __raw_spin_lock_init+0x45/0x100
[  609.930583][T10886]  ? __init_swait_queue_head+0xa9/0x150
[  609.930603][T10886]  gfs2_sys_fs_add+0x257/0x480
[  609.930622][T10886]  ? is_dynamic_key+0x1ac/0x1c0
[  609.930643][T10886]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  609.930667][T10886]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  609.930695][T10886]  gfs2_fill_super+0x13a7/0x21d0
[  609.930724][T10886]  ? __pfx_gfs2_fill_super+0x10/0x10
[  609.930744][T10886]  ? sb_set_blocksize+0x155/0x240
[  609.930768][T10886]  ? setup_bdev_super+0x4c1/0x5b0
[  609.930787][T10886]  get_tree_bdev_flags+0x431/0x4f0
[  609.930813][T10886]  ? __pfx_gfs2_fill_super+0x10/0x10
[  609.930828][T10886]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  609.930842][T10886]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  609.930867][T10886]  gfs2_get_tree+0x51/0x1e0
[  609.930884][T10886]  vfs_get_tree+0x92/0x2a0
[  609.930902][T10886]  do_new_mount+0x341/0xd30
[  609.930921][T10886]  ? apparmor_capable+0x126/0x170
[  609.930939][T10886]  ? __pfx_do_new_mount+0x10/0x10
[  609.930959][T10886]  ? ns_capable+0x89/0xe0
[  609.930988][T10886]  ? user_path_at+0xd4/0x160
[  609.931004][T10886]  __se_sys_mount+0x31d/0x420
[  609.931029][T10886]  ? __pfx___se_sys_mount+0x10/0x10
[  609.931054][T10886]  ? __x64_sys_mount+0x20/0xc0
[  609.931072][T10886]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.931089][T10886]  do_syscall_64+0x15f/0xf80
[  609.931107][T10886]  ? trace_irq_disable+0x3b/0x140
[  609.931125][T10886]  ? clear_bhb_loop+0x40/0x90
[  609.931144][T10886]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.931160][T10886] RIP: 0033:0x7fd238a85a9a
[  609.931176][T10886] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  609.931190][T10886] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  609.931208][T10886] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  609.931219][T10886] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  609.931230][T10886] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  609.931239][T10886] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  609.931250][T10886] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  609.931275][T10886]  </TASK>
[  609.931300][T10886] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  610.000451][T10884] CPU: 0 UID: 0 PID: 10884 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  610.000476][T10884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  610.000487][T10884] Call Trace:
[  610.000496][T10884]  <TASK>
executing program
[  610.000504][T10884]  dump_stack_lvl+0xe8/0x150
[  610.000534][T10884]  sysfs_create_dir_ns+0x271/0x2a0
[  610.000558][T10884]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  610.000582][T10884]  ? do_raw_spin_unlock+0xf5/0x210
[  610.000603][T10884]  kobject_add_internal+0x62b/0xd00
[  610.000634][T10884]  kobject_init_and_add+0x12b/0x1a0
[  610.000660][T10884]  ? __pfx_kobject_init_and_add+0x10/0x10
[  610.000682][T10884]  ? __raw_spin_lock_init+0x45/0x100
[  610.000700][T10884]  ? __init_swait_queue_head+0xa9/0x150
[  610.000722][T10884]  gfs2_sys_fs_add+0x257/0x480
[  610.000741][T10884]  ? is_dynamic_key+0x1ac/0x1c0
[  610.000762][T10884]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  610.000788][T10884]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  610.000815][T10884]  gfs2_fill_super+0x13a7/0x21d0
[  610.000841][T10884]  ? __pfx_gfs2_fill_super+0x10/0x10
[  610.000857][T10884]  ? sb_set_blocksize+0x155/0x240
[  610.000877][T10884]  ? setup_bdev_super+0x4c1/0x5b0
[  610.000894][T10884]  get_tree_bdev_flags+0x431/0x4f0
[  610.000908][T10884]  ? __pfx_gfs2_fill_super+0x10/0x10
[  610.000921][T10884]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  610.000933][T10884]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  610.000956][T10884]  gfs2_get_tree+0x51/0x1e0
[  610.000975][T10884]  vfs_get_tree+0x92/0x2a0
[  610.000994][T10884]  do_new_mount+0x341/0xd30
[  610.001013][T10884]  ? apparmor_capable+0x126/0x170
[  610.001034][T10884]  ? __pfx_do_new_mount+0x10/0x10
[  610.001099][T10884]  ? ns_capable+0x89/0xe0
[  610.001129][T10884]  ? user_path_at+0xd4/0x160
[  610.001146][T10884]  __se_sys_mount+0x31d/0x420
[  610.001172][T10884]  ? __pfx___se_sys_mount+0x10/0x10
[  610.001197][T10884]  ? __x64_sys_mount+0x20/0xc0
[  610.001216][T10884]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.001232][T10884]  do_syscall_64+0x15f/0xf80
[  610.001252][T10884]  ? trace_irq_disable+0x3b/0x140
[  610.001270][T10884]  ? clear_bhb_loop+0x40/0x90
[  610.001289][T10884]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.001305][T10884] RIP: 0033:0x7fd238a85a9a
[  610.001321][T10884] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  610.001334][T10884] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  610.001352][T10884] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  610.001363][T10884] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  610.001374][T10884] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  610.001385][T10884] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  610.001394][T10884] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  610.001420][T10884]  </TASK>
[  610.001447][T10884] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  610.163861][T10886] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  610.172370][T10885] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  610.720230][T10884] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  610.999307][T10891] loop4: detected capacity change from 0 to 32768
[  611.034293][T10891] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  611.044245][T10885] CPU: 0 UID: 0 PID: 10885 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  611.044271][T10885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  611.044281][T10885] Call Trace:
[  611.044289][T10885]  <TASK>
[  611.044296][T10885]  dump_stack_lvl+0xe8/0x150
[  611.044324][T10885]  sysfs_create_dir_ns+0x271/0x2a0
[  611.044351][T10885]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  611.044375][T10885]  ? do_raw_spin_unlock+0xf5/0x210
[  611.044399][T10885]  kobject_add_internal+0x62b/0xd00
executing program
[  611.044430][T10885]  kobject_init_and_add+0x12b/0x1a0
[  611.044456][T10885]  ? __pfx_kobject_init_and_add+0x10/0x10
[  611.044477][T10885]  ? __raw_spin_lock_init+0x45/0x100
[  611.044495][T10885]  ? __init_swait_queue_head+0xa9/0x150
[  611.044516][T10885]  gfs2_sys_fs_add+0x257/0x480
[  611.044535][T10885]  ? is_dynamic_key+0x1ac/0x1c0
[  611.044554][T10885]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  611.044580][T10885]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  611.044607][T10885]  gfs2_fill_super+0x13a7/0x21d0
[  611.044636][T10885]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.044655][T10885]  ? sb_set_blocksize+0x155/0x240
[  611.044678][T10885]  ? setup_bdev_super+0x4c1/0x5b0
[  611.044697][T10885]  get_tree_bdev_flags+0x431/0x4f0
[  611.044712][T10885]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.044724][T10885]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  611.044736][T10885]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  611.044758][T10885]  gfs2_get_tree+0x51/0x1e0
[  611.044773][T10885]  vfs_get_tree+0x92/0x2a0
[  611.044789][T10885]  do_new_mount+0x341/0xd30
[  611.044805][T10885]  ? apparmor_capable+0x126/0x170
[  611.044822][T10885]  ? __pfx_do_new_mount+0x10/0x10
[  611.044839][T10885]  ? ns_capable+0x89/0xe0
[  611.044865][T10885]  ? user_path_at+0xd4/0x160
[  611.044880][T10885]  __se_sys_mount+0x31d/0x420
[  611.044905][T10885]  ? __pfx___se_sys_mount+0x10/0x10
[  611.044930][T10885]  ? __x64_sys_mount+0x20/0xc0
[  611.044959][T10885]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.044977][T10885]  do_syscall_64+0x15f/0xf80
[  611.044997][T10885]  ? trace_irq_disable+0x3b/0x140
[  611.045015][T10885]  ? clear_bhb_loop+0x40/0x90
[  611.045036][T10885]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.045051][T10885] RIP: 0033:0x7fd238a85a9a
[  611.045068][T10885] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  611.045082][T10885] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  611.045099][T10885] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  611.045111][T10885] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  611.045122][T10885] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  611.045133][T10885] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  611.045142][T10885] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  611.045167][T10885]  </TASK>
[  611.045187][T10885] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  611.083624][T10891] CPU: 1 UID: 0 PID: 10891 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  611.083648][T10891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  611.083658][T10891] Call Trace:
[  611.083665][T10891]  <TASK>
[  611.083672][T10891]  dump_stack_lvl+0xe8/0x150
[  611.083708][T10891]  sysfs_create_dir_ns+0x271/0x2a0
[  611.083733][T10891]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  611.083756][T10891]  ? do_raw_spin_unlock+0xf5/0x210
[  611.083778][T10891]  kobject_add_internal+0x62b/0xd00
[  611.083808][T10891]  kobject_init_and_add+0x12b/0x1a0
[  611.083839][T10891]  ? __pfx_kobject_init_and_add+0x10/0x10
[  611.083862][T10891]  ? __raw_spin_lock_init+0x45/0x100
[  611.083879][T10891]  ? __init_swait_queue_head+0xa9/0x150
[  611.083900][T10891]  gfs2_sys_fs_add+0x257/0x480
[  611.083920][T10891]  ? is_dynamic_key+0x1ac/0x1c0
[  611.083941][T10891]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  611.083967][T10891]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  611.084004][T10891]  gfs2_fill_super+0x13a7/0x21d0
[  611.084034][T10891]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.084053][T10891]  ? sb_set_blocksize+0x155/0x240
[  611.084076][T10891]  ? setup_bdev_super+0x4c1/0x5b0
[  611.084097][T10891]  get_tree_bdev_flags+0x431/0x4f0
[  611.084114][T10891]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.084129][T10891]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  611.084144][T10891]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  611.084169][T10891]  gfs2_get_tree+0x51/0x1e0
[  611.084186][T10891]  vfs_get_tree+0x92/0x2a0
[  611.084205][T10891]  do_new_mount+0x341/0xd30
[  611.084222][T10891]  ? apparmor_capable+0x126/0x170
[  611.084243][T10891]  ? __pfx_do_new_mount+0x10/0x10
[  611.084262][T10891]  ? ns_capable+0x89/0xe0
[  611.084290][T10891]  ? user_path_at+0xd4/0x160
[  611.084307][T10891]  __se_sys_mount+0x31d/0x420
[  611.084332][T10891]  ? __pfx___se_sys_mount+0x10/0x10
[  611.084357][T10891]  ? __x64_sys_mount+0x20/0xc0
[  611.084376][T10891]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.084393][T10891]  do_syscall_64+0x15f/0xf80
[  611.084411][T10891]  ? trace_irq_disable+0x3b/0x140
[  611.084429][T10891]  ? clear_bhb_loop+0x40/0x90
[  611.084447][T10891]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.084463][T10891] RIP: 0033:0x7fd238a85a9a
[  611.084478][T10891] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
executing program
[  611.084492][T10891] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  611.084510][T10891] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  611.084521][T10891] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  611.084532][T10891] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  611.084543][T10891] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  611.084553][T10891] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  611.084578][T10891]  </TASK>
[  611.084601][T10891] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  611.118947][T10885] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  611.197042][T10891] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  611.791447][T10897] loop3: detected capacity change from 0 to 32768
[  611.839294][T10897] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  611.866056][T10897] CPU: 0 UID: 0 PID: 10897 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  611.866083][T10897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  611.866093][T10897] Call Trace:
[  611.866101][T10897]  <TASK>
[  611.866109][T10897]  dump_stack_lvl+0xe8/0x150
[  611.866138][T10897]  sysfs_create_dir_ns+0x271/0x2a0
[  611.866164][T10897]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  611.866188][T10897]  ? do_raw_spin_unlock+0xf5/0x210
[  611.866211][T10897]  kobject_add_internal+0x62b/0xd00
[  611.866243][T10897]  kobject_init_and_add+0x12b/0x1a0
[  611.866271][T10897]  ? __pfx_kobject_init_and_add+0x10/0x10
[  611.866294][T10897]  ? __raw_spin_lock_init+0x45/0x100
[  611.866315][T10897]  ? __init_swait_queue_head+0xa9/0x150
[  611.866336][T10897]  gfs2_sys_fs_add+0x257/0x480
[  611.866356][T10897]  ? is_dynamic_key+0x1ac/0x1c0
[  611.866378][T10897]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  611.866405][T10897]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  611.866437][T10897]  gfs2_fill_super+0x13a7/0x21d0
[  611.866468][T10897]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.866488][T10897]  ? sb_set_blocksize+0x155/0x240
[  611.866512][T10897]  ? setup_bdev_super+0x4c1/0x5b0
[  611.866534][T10897]  get_tree_bdev_flags+0x431/0x4f0
[  611.866552][T10897]  ? __pfx_gfs2_fill_super+0x10/0x10
[  611.866568][T10897]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  611.866583][T10897]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  611.866610][T10897]  gfs2_get_tree+0x51/0x1e0
[  611.866629][T10897]  vfs_get_tree+0x92/0x2a0
[  611.866648][T10897]  do_new_mount+0x341/0xd30
[  611.866668][T10897]  ? apparmor_capable+0x126/0x170
[  611.866696][T10897]  ? __pfx_do_new_mount+0x10/0x10
[  611.866716][T10897]  ? ns_capable+0x89/0xe0
[  611.866746][T10897]  ? user_path_at+0xd4/0x160
[  611.866764][T10897]  __se_sys_mount+0x31d/0x420
[  611.866791][T10897]  ? __pfx___se_sys_mount+0x10/0x10
[  611.866817][T10897]  ? __x64_sys_mount+0x20/0xc0
[  611.866837][T10897]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.866855][T10897]  do_syscall_64+0x15f/0xf80
[  611.866876][T10897]  ? trace_irq_disable+0x3b/0x140
[  611.866895][T10897]  ? clear_bhb_loop+0x40/0x90
[  611.866915][T10897]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.866931][T10897] RIP: 0033:0x7fd238a85a9a
[  611.866946][T10897] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  611.866959][T10897] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  611.866978][T10897] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  611.866990][T10897] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  611.867001][T10897] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
executing program
executing program
[  611.867012][T10897] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  611.867022][T10897] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  611.867049][T10897]  </TASK>
[  611.867073][T10897] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  612.175323][T10897] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  612.444352][T10900] loop0: detected capacity change from 0 to 32768
[  612.488239][T10900] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  612.525752][T10900] CPU: 0 UID: 0 PID: 10900 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  612.525777][T10900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  612.525787][T10900] Call Trace:
[  612.525794][T10900]  <TASK>
[  612.525802][T10900]  dump_stack_lvl+0xe8/0x150
[  612.525837][T10900]  sysfs_create_dir_ns+0x271/0x2a0
[  612.525863][T10900]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  612.525887][T10900]  ? do_raw_spin_unlock+0xf5/0x210
[  612.525910][T10900]  kobject_add_internal+0x62b/0xd00
[  612.525941][T10900]  kobject_init_and_add+0x12b/0x1a0
[  612.525968][T10900]  ? __pfx_kobject_init_and_add+0x10/0x10
[  612.525992][T10900]  ? __raw_spin_lock_init+0x45/0x100
[  612.526012][T10900]  ? __init_swait_queue_head+0xa9/0x150
[  612.526034][T10900]  gfs2_sys_fs_add+0x257/0x480
[  612.526053][T10900]  ? is_dynamic_key+0x1ac/0x1c0
[  612.526076][T10900]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  612.526104][T10900]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  612.526134][T10900]  gfs2_fill_super+0x13a7/0x21d0
[  612.526167][T10900]  ? __pfx_gfs2_fill_super+0x10/0x10
[  612.526188][T10900]  ? sb_set_blocksize+0x155/0x240
[  612.526213][T10900]  ? setup_bdev_super+0x4c1/0x5b0
[  612.526233][T10900]  get_tree_bdev_flags+0x431/0x4f0
[  612.526252][T10900]  ? __pfx_gfs2_fill_super+0x10/0x10
[  612.526267][T10900]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  612.526282][T10900]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  612.526306][T10900]  gfs2_get_tree+0x51/0x1e0
[  612.526325][T10900]  vfs_get_tree+0x92/0x2a0
[  612.526346][T10900]  do_new_mount+0x341/0xd30
[  612.526366][T10900]  ? apparmor_capable+0x126/0x170
[  612.526388][T10900]  ? __pfx_do_new_mount+0x10/0x10
[  612.526408][T10900]  ? ns_capable+0x89/0xe0
[  612.526439][T10900]  ? user_path_at+0xd4/0x160
[  612.526457][T10900]  __se_sys_mount+0x31d/0x420
[  612.526484][T10900]  ? __pfx___se_sys_mount+0x10/0x10
[  612.526510][T10900]  ? __x64_sys_mount+0x20/0xc0
[  612.526530][T10900]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.526548][T10900]  do_syscall_64+0x15f/0xf80
[  612.526567][T10900]  ? trace_irq_disable+0x3b/0x140
[  612.526587][T10900]  ? clear_bhb_loop+0x40/0x90
[  612.526607][T10900]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.526623][T10900] RIP: 0033:0x7fd238a85a9a
[  612.526639][T10900] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  612.526653][T10900] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  612.526671][T10900] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  612.526684][T10900] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  612.526695][T10900] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  612.526706][T10900] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  612.526717][T10900] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  612.526745][T10900]  </TASK>
[  612.527044][T10900] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  612.893206][T10900] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  613.243673][T10904] loop2: detected capacity change from 0 to 32768
[  613.263630][T10904] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  613.296663][T10904] CPU: 0 UID: 0 PID: 10904 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  613.296689][T10904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  613.296699][T10904] Call Trace:
[  613.296707][T10904]  <TASK>
[  613.296714][T10904]  dump_stack_lvl+0xe8/0x150
[  613.296743][T10904]  sysfs_create_dir_ns+0x271/0x2a0
[  613.296778][T10904]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  613.296802][T10904]  ? do_raw_spin_unlock+0xf5/0x210
[  613.296825][T10904]  kobject_add_internal+0x62b/0xd00
[  613.296858][T10904]  kobject_init_and_add+0x12b/0x1a0
[  613.296886][T10904]  ? __pfx_kobject_init_and_add+0x10/0x10
[  613.296909][T10904]  ? __raw_spin_lock_init+0x45/0x100
[  613.296929][T10904]  ? __init_swait_queue_head+0xa9/0x150
[  613.296951][T10904]  gfs2_sys_fs_add+0x257/0x480
[  613.296971][T10904]  ? is_dynamic_key+0x1ac/0x1c0
[  613.296993][T10904]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  613.297020][T10904]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  613.297051][T10904]  gfs2_fill_super+0x13a7/0x21d0
[  613.297082][T10904]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.297101][T10904]  ? sb_set_blocksize+0x155/0x240
[  613.297125][T10904]  ? setup_bdev_super+0x4c1/0x5b0
[  613.297146][T10904]  get_tree_bdev_flags+0x431/0x4f0
[  613.297164][T10904]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.297179][T10904]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  613.297195][T10904]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  613.297222][T10904]  gfs2_get_tree+0x51/0x1e0
[  613.297241][T10904]  vfs_get_tree+0x92/0x2a0
[  613.297261][T10904]  do_new_mount+0x341/0xd30
[  613.297280][T10904]  ? apparmor_capable+0x126/0x170
[  613.297301][T10904]  ? __pfx_do_new_mount+0x10/0x10
[  613.297322][T10904]  ? ns_capable+0x89/0xe0
[  613.297353][T10904]  ? user_path_at+0xd4/0x160
[  613.297370][T10904]  __se_sys_mount+0x31d/0x420
[  613.297394][T10904]  ? __pfx___se_sys_mount+0x10/0x10
[  613.297419][T10904]  ? __x64_sys_mount+0x20/0xc0
[  613.297437][T10904]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.297453][T10904]  do_syscall_64+0x15f/0xf80
[  613.297472][T10904]  ? trace_irq_disable+0x3b/0x140
[  613.297489][T10904]  ? clear_bhb_loop+0x40/0x90
[  613.297508][T10904]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.297523][T10904] RIP: 0033:0x7fd238a85a9a
[  613.297538][T10904] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  613.297551][T10904] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  613.297569][T10904] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  613.297582][T10904] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  613.297593][T10904] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  613.297605][T10904] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  613.297615][T10904] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  613.297642][T10904]  </TASK>
executing program
[  613.297667][T10904] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  613.331788][T10906] loop3: detected capacity change from 0 to 32768
[  613.441174][T10905] loop4: detected capacity change from 0 to 32768
[  613.607302][T10904] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  613.725699][T10906] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  613.815321][T10906] CPU: 0 UID: 0 PID: 10906 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  613.815348][T10906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  613.815358][T10906] Call Trace:
[  613.815366][T10906]  <TASK>
[  613.815373][T10906]  dump_stack_lvl+0xe8/0x150
[  613.815401][T10906]  sysfs_create_dir_ns+0x271/0x2a0
[  613.815427][T10906]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  613.815451][T10906]  ? do_raw_spin_unlock+0xf5/0x210
[  613.815475][T10906]  kobject_add_internal+0x62b/0xd00
[  613.815506][T10906]  kobject_init_and_add+0x12b/0x1a0
[  613.815534][T10906]  ? __pfx_kobject_init_and_add+0x10/0x10
[  613.815557][T10906]  ? __raw_spin_lock_init+0x45/0x100
[  613.815577][T10906]  ? __init_swait_queue_head+0xa9/0x150
[  613.815599][T10906]  gfs2_sys_fs_add+0x257/0x480
[  613.815618][T10906]  ? is_dynamic_key+0x1ac/0x1c0
[  613.815641][T10906]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  613.815668][T10906]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  613.815699][T10906]  gfs2_fill_super+0x13a7/0x21d0
[  613.815730][T10906]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.815750][T10906]  ? sb_set_blocksize+0x155/0x240
[  613.815775][T10906]  ? setup_bdev_super+0x4c1/0x5b0
[  613.815805][T10906]  get_tree_bdev_flags+0x431/0x4f0
[  613.815823][T10906]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.815839][T10906]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  613.815854][T10906]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  613.815883][T10906]  gfs2_get_tree+0x51/0x1e0
[  613.815902][T10906]  vfs_get_tree+0x92/0x2a0
[  613.815923][T10906]  do_new_mount+0x341/0xd30
[  613.815943][T10906]  ? apparmor_capable+0x126/0x170
[  613.815965][T10906]  ? __pfx_do_new_mount+0x10/0x10
[  613.815986][T10906]  ? ns_capable+0x89/0xe0
[  613.816018][T10906]  ? user_path_at+0xd4/0x160
[  613.816036][T10906]  __se_sys_mount+0x31d/0x420
[  613.816063][T10906]  ? __pfx___se_sys_mount+0x10/0x10
[  613.816089][T10906]  ? __x64_sys_mount+0x20/0xc0
[  613.816108][T10906]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.816126][T10906]  do_syscall_64+0x15f/0xf80
[  613.816146][T10906]  ? trace_irq_disable+0x3b/0x140
[  613.816165][T10906]  ? clear_bhb_loop+0x40/0x90
[  613.816186][T10906]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.816202][T10906] RIP: 0033:0x7fd238a85a9a
[  613.816218][T10906] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  613.816231][T10906] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  613.816250][T10906] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  613.816263][T10906] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  613.816274][T10906] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  613.816285][T10906] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  613.816296][T10906] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  613.816323][T10906]  </TASK>
[  613.816345][T10906] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  614.179450][T10906] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  614.186795][T10905] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  614.228116][T10905] CPU: 0 UID: 0 PID: 10905 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  614.228147][T10905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  614.228158][T10905] Call Trace:
[  614.228165][T10905]  <TASK>
[  614.228173][T10905]  dump_stack_lvl+0xe8/0x150
[  614.228200][T10905]  sysfs_create_dir_ns+0x271/0x2a0
[  614.228227][T10905]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  614.228251][T10905]  ? do_raw_spin_unlock+0xf5/0x210
[  614.228274][T10905]  kobject_add_internal+0x62b/0xd00
[  614.228306][T10905]  kobject_init_and_add+0x12b/0x1a0
[  614.228334][T10905]  ? __pfx_kobject_init_and_add+0x10/0x10
[  614.228357][T10905]  ? __raw_spin_lock_init+0x45/0x100
[  614.228376][T10905]  ? __init_swait_queue_head+0xa9/0x150
[  614.228398][T10905]  gfs2_sys_fs_add+0x257/0x480
[  614.228420][T10905]  ? is_dynamic_key+0x1ac/0x1c0
[  614.228448][T10905]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  614.228475][T10905]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  614.228504][T10905]  gfs2_fill_super+0x13a7/0x21d0
[  614.228536][T10905]  ? __pfx_gfs2_fill_super+0x10/0x10
[  614.228554][T10905]  ? sb_set_blocksize+0x155/0x240
[  614.228577][T10905]  ? setup_bdev_super+0x4c1/0x5b0
[  614.228596][T10905]  get_tree_bdev_flags+0x431/0x4f0
[  614.228612][T10905]  ? __pfx_gfs2_fill_super+0x10/0x10
[  614.228627][T10905]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  614.228641][T10905]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  614.228667][T10905]  gfs2_get_tree+0x51/0x1e0
[  614.228686][T10905]  vfs_get_tree+0x92/0x2a0
[  614.228702][T10905]  do_new_mount+0x341/0xd30
[  614.228720][T10905]  ? apparmor_capable+0x126/0x170
[  614.228741][T10905]  ? __pfx_do_new_mount+0x10/0x10
[  614.228759][T10905]  ? ns_capable+0x89/0xe0
[  614.228788][T10905]  ? user_path_at+0xd4/0x160
[  614.228806][T10905]  __se_sys_mount+0x31d/0x420
[  614.228832][T10905]  ? __pfx___se_sys_mount+0x10/0x10
[  614.228857][T10905]  ? __x64_sys_mount+0x20/0xc0
[  614.228875][T10905]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.228890][T10905]  do_syscall_64+0x15f/0xf80
[  614.228910][T10905]  ? trace_irq_disable+0x3b/0x140
[  614.228928][T10905]  ? clear_bhb_loop+0x40/0x90
[  614.228947][T10905]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.228963][T10905] RIP: 0033:0x7fd238a85a9a
[  614.228979][T10905] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  614.228993][T10905] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  614.229011][T10905] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  614.229024][T10905] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  614.229035][T10905] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  614.229046][T10905] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  614.229057][T10905] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  614.229083][T10905]  </TASK>
[  614.519799][T10905] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  614.526201][T10909] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  614.534582][T10905] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  614.541983][T10909] CPU: 0 UID: 0 PID: 10909 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  614.542005][T10909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  614.542015][T10909] Call Trace:
[  614.542023][T10909]  <TASK>
[  614.542031][T10909]  dump_stack_lvl+0xe8/0x150
executing program
executing program
[  614.542059][T10909]  sysfs_create_dir_ns+0x271/0x2a0
[  614.542085][T10909]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  614.542107][T10909]  ? do_raw_spin_unlock+0xf5/0x210
[  614.542130][T10909]  kobject_add_internal+0x62b/0xd00
[  614.542160][T10909]  kobject_init_and_add+0x12b/0x1a0
[  614.542187][T10909]  ? __pfx_kobject_init_and_add+0x10/0x10
[  614.542210][T10909]  ? __raw_spin_lock_init+0x45/0x100
[  614.542229][T10909]  ? __init_swait_queue_head+0xa9/0x150
[  614.542249][T10909]  gfs2_sys_fs_add+0x257/0x480
[  614.542267][T10909]  ? is_dynamic_key+0x1ac/0x1c0
[  614.542301][T10909]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  614.542328][T10909]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  614.542357][T10909]  gfs2_fill_super+0x13a7/0x21d0
[  614.542387][T10909]  ? __pfx_gfs2_fill_super+0x10/0x10
[  614.542407][T10909]  ? sb_set_blocksize+0x155/0x240
[  614.542431][T10909]  ? setup_bdev_super+0x4c1/0x5b0
[  614.542451][T10909]  get_tree_bdev_flags+0x431/0x4f0
[  614.542468][T10909]  ? __pfx_gfs2_fill_super+0x10/0x10
[  614.542483][T10909]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  614.542497][T10909]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  614.542522][T10909]  gfs2_get_tree+0x51/0x1e0
[  614.542540][T10909]  vfs_get_tree+0x92/0x2a0
[  614.542559][T10909]  do_new_mount+0x341/0xd30
[  614.542577][T10909]  ? apparmor_capable+0x126/0x170
[  614.542596][T10909]  ? __pfx_do_new_mount+0x10/0x10
[  614.542616][T10909]  ? ns_capable+0x89/0xe0
[  614.542645][T10909]  ? user_path_at+0xd4/0x160
[  614.542661][T10909]  __se_sys_mount+0x31d/0x420
[  614.542686][T10909]  ? __pfx___se_sys_mount+0x10/0x10
[  614.542718][T10909]  ? __x64_sys_mount+0x20/0xc0
[  614.542737][T10909]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.542754][T10909]  do_syscall_64+0x15f/0xf80
[  614.542774][T10909]  ? trace_irq_disable+0x3b/0x140
[  614.542792][T10909]  ? clear_bhb_loop+0x40/0x90
[  614.542810][T10909]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.542826][T10909] RIP: 0033:0x7fd238a85a9a
[  614.542841][T10909] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  614.542854][T10909] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  614.542872][T10909] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  614.542883][T10909] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  614.542895][T10909] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
executing program
[  614.542905][T10909] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  614.542915][T10909] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  614.542940][T10909]  </TASK>
[  614.542966][T10909] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  614.860005][T10909] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[  615.800968][T10920] set_capacity_and_notify: 1 callbacks suppressed
[  615.800984][T10920] loop4: detected capacity change from 0 to 32768
[  615.842125][T10920] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  615.844647][T10919] loop2: detected capacity change from 0 to 32768
[  615.871290][T10920] CPU: 1 UID: 0 PID: 10920 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  615.871314][T10920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  615.871325][T10920] Call Trace:
[  615.871332][T10920]  <TASK>
[  615.871340][T10920]  dump_stack_lvl+0xe8/0x150
[  615.871368][T10920]  sysfs_create_dir_ns+0x271/0x2a0
[  615.871394][T10920]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  615.871417][T10920]  ? do_raw_spin_unlock+0xf5/0x210
[  615.871441][T10920]  kobject_add_internal+0x62b/0xd00
[  615.871472][T10920]  kobject_init_and_add+0x12b/0x1a0
[  615.871500][T10920]  ? __pfx_kobject_init_and_add+0x10/0x10
[  615.871523][T10920]  ? __raw_spin_lock_init+0x45/0x100
[  615.871543][T10920]  ? __init_swait_queue_head+0xa9/0x150
[  615.871566][T10920]  gfs2_sys_fs_add+0x257/0x480
[  615.871585][T10920]  ? is_dynamic_key+0x1ac/0x1c0
[  615.871616][T10920]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  615.871644][T10920]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  615.871675][T10920]  gfs2_fill_super+0x13a7/0x21d0
[  615.871707][T10920]  ? __pfx_gfs2_fill_super+0x10/0x10
[  615.871727][T10920]  ? sb_set_blocksize+0x155/0x240
[  615.871752][T10920]  ? setup_bdev_super+0x4c1/0x5b0
[  615.871773][T10920]  get_tree_bdev_flags+0x431/0x4f0
[  615.871791][T10920]  ? __pfx_gfs2_fill_super+0x10/0x10
[  615.871807][T10920]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  615.871822][T10920]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  615.871849][T10920]  gfs2_get_tree+0x51/0x1e0
[  615.871869][T10920]  vfs_get_tree+0x92/0x2a0
[  615.871887][T10920]  do_new_mount+0x341/0xd30
[  615.871907][T10920]  ? apparmor_capable+0x126/0x170
[  615.871929][T10920]  ? __pfx_do_new_mount+0x10/0x10
[  615.871949][T10920]  ? ns_capable+0x89/0xe0
[  615.871980][T10920]  ? user_path_at+0xd4/0x160
[  615.871998][T10920]  __se_sys_mount+0x31d/0x420
[  615.872025][T10920]  ? __pfx___se_sys_mount+0x10/0x10
[  615.872052][T10920]  ? __x64_sys_mount+0x20/0xc0
[  615.872070][T10920]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.872088][T10920]  do_syscall_64+0x15f/0xf80
[  615.872108][T10920]  ? trace_irq_disable+0x3b/0x140
[  615.872126][T10920]  ? clear_bhb_loop+0x40/0x90
[  615.872147][T10920]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.872163][T10920] RIP: 0033:0x7fd238a85a9a
[  615.872179][T10920] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  615.872193][T10920] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  615.872211][T10920] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  615.872223][T10920] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  615.872235][T10920] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  615.872246][T10920] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  615.872256][T10920] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  615.872283][T10920]  </TASK>
[  615.873231][T10920] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  615.893975][T10921] loop0: detected capacity change from 0 to 32768
[  615.979410][T10922] loop3: detected capacity change from 0 to 32768
[  616.070470][T10919] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  616.097226][T10921] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  616.150355][T10919] CPU: 1 UID: 0 PID: 10919 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  616.150380][T10919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  616.150389][T10919] Call Trace:
[  616.150397][T10919]  <TASK>
[  616.150404][T10919]  dump_stack_lvl+0xe8/0x150
[  616.150432][T10919]  sysfs_create_dir_ns+0x271/0x2a0
[  616.150457][T10919]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  616.150480][T10919]  ? do_raw_spin_unlock+0xf5/0x210
[  616.150502][T10919]  kobject_add_internal+0x62b/0xd00
[  616.150533][T10919]  kobject_init_and_add+0x12b/0x1a0
[  616.150565][T10919]  ? __pfx_kobject_init_and_add+0x10/0x10
[  616.150587][T10919]  ? __raw_spin_lock_init+0x45/0x100
[  616.150606][T10919]  ? __init_swait_queue_head+0xa9/0x150
[  616.150627][T10919]  gfs2_sys_fs_add+0x257/0x480
[  616.150647][T10919]  ? is_dynamic_key+0x1ac/0x1c0
[  616.150669][T10919]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  616.150694][T10919]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  616.150724][T10919]  gfs2_fill_super+0x13a7/0x21d0
[  616.150753][T10919]  ? __pfx_gfs2_fill_super+0x10/0x10
[  616.150772][T10919]  ? sb_set_blocksize+0x155/0x240
[  616.150795][T10919]  ? setup_bdev_super+0x4c1/0x5b0
[  616.150815][T10919]  get_tree_bdev_flags+0x431/0x4f0
[  616.150832][T10919]  ? __pfx_gfs2_fill_super+0x10/0x10
[  616.150847][T10919]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  616.150862][T10919]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  616.150887][T10919]  gfs2_get_tree+0x51/0x1e0
[  616.150905][T10919]  vfs_get_tree+0x92/0x2a0
[  616.150924][T10919]  do_new_mount+0x341/0xd30
[  616.150943][T10919]  ? apparmor_capable+0x126/0x170
[  616.150964][T10919]  ? __pfx_do_new_mount+0x10/0x10
[  616.150984][T10919]  ? ns_capable+0x89/0xe0
[  616.151013][T10919]  ? user_path_at+0xd4/0x160
[  616.151029][T10919]  __se_sys_mount+0x31d/0x420
[  616.151054][T10919]  ? __pfx___se_sys_mount+0x10/0x10
[  616.151080][T10919]  ? __x64_sys_mount+0x20/0xc0
[  616.151099][T10919]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.151116][T10919]  do_syscall_64+0x15f/0xf80
[  616.151134][T10919]  ? trace_irq_disable+0x3b/0x140
[  616.151152][T10919]  ? clear_bhb_loop+0x40/0x90
[  616.151170][T10919]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.151185][T10919] RIP: 0033:0x7fd238a85a9a
[  616.151202][T10919] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  616.151215][T10919] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  616.151232][T10919] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  616.151244][T10919] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  616.151255][T10919] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  616.151265][T10919] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  616.151275][T10919] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  616.151301][T10919]  </TASK>
[  616.151349][T10919] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  616.217942][T10921] CPU: 0 UID: 0 PID: 10921 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  616.217966][T10921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  616.217976][T10921] Call Trace:
[  616.217985][T10921]  <TASK>
[  616.217993][T10921]  dump_stack_lvl+0xe8/0x150
[  616.218021][T10921]  sysfs_create_dir_ns+0x271/0x2a0
[  616.218046][T10921]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  616.218069][T10921]  ? do_raw_spin_unlock+0xf5/0x210
[  616.218091][T10921]  kobject_add_internal+0x62b/0xd00
[  616.218121][T10921]  kobject_init_and_add+0x12b/0x1a0
[  616.218148][T10921]  ? __pfx_kobject_init_and_add+0x10/0x10
[  616.218170][T10921]  ? __raw_spin_lock_init+0x45/0x100
[  616.218190][T10921]  ? __init_swait_queue_head+0xa9/0x150
[  616.218210][T10921]  gfs2_sys_fs_add+0x257/0x480
[  616.218229][T10921]  ? is_dynamic_key+0x1ac/0x1c0
[  616.218250][T10921]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  616.218277][T10921]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  616.218314][T10921]  gfs2_fill_super+0x13a7/0x21d0
[  616.218343][T10921]  ? __pfx_gfs2_fill_super+0x10/0x10
[  616.218363][T10921]  ? sb_set_blocksize+0x155/0x240
[  616.218388][T10921]  ? setup_bdev_super+0x4c1/0x5b0
[  616.218408][T10921]  get_tree_bdev_flags+0x431/0x4f0
[  616.218425][T10921]  ? __pfx_gfs2_fill_super+0x10/0x10
[  616.218439][T10921]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  616.218454][T10921]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  616.218479][T10921]  gfs2_get_tree+0x51/0x1e0
[  616.218498][T10921]  vfs_get_tree+0x92/0x2a0
[  616.218516][T10921]  do_new_mount+0x341/0xd30
[  616.218535][T10921]  ? apparmor_capable+0x126/0x170
[  616.218555][T10921]  ? __pfx_do_new_mount+0x10/0x10
[  616.218574][T10921]  ? ns_capable+0x89/0xe0
executing program
executing program
executing program
[  616.218604][T10921]  ? user_path_at+0xd4/0x160
[  616.218620][T10921]  __se_sys_mount+0x31d/0x420
[  616.218645][T10921]  ? __pfx___se_sys_mount+0x10/0x10
[  616.218670][T10921]  ? __x64_sys_mount+0x20/0xc0
[  616.218689][T10921]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.218706][T10921]  do_syscall_64+0x15f/0xf80
[  616.218725][T10921]  ? trace_irq_disable+0x3b/0x140
[  616.218743][T10921]  ? clear_bhb_loop+0x40/0x90
[  616.218761][T10921]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.218777][T10921] RIP: 0033:0x7fd238a85a9a
[  616.218793][T10921] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  616.218806][T10921] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  616.218823][T10921] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  616.218834][T10921] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  616.218845][T10921] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  616.218855][T10921] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  616.218865][T10921] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  616.218890][T10921]  </TASK>
[  616.218917][T10921] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  616.365952][T10920] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  616.377860][T10921] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  616.378391][T10919] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  616.391430][T10922] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  617.232899][T10922] CPU: 0 UID: 0 PID: 10922 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  617.232926][T10922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  617.232937][T10922] Call Trace:
[  617.232944][T10922]  <TASK>
[  617.232953][T10922]  dump_stack_lvl+0xe8/0x150
[  617.232981][T10922]  sysfs_create_dir_ns+0x271/0x2a0
[  617.233008][T10922]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  617.233032][T10922]  ? do_raw_spin_unlock+0xf5/0x210
[  617.233055][T10922]  kobject_add_internal+0x62b/0xd00
[  617.233086][T10922]  kobject_init_and_add+0x12b/0x1a0
[  617.233114][T10922]  ? __pfx_kobject_init_and_add+0x10/0x10
[  617.233137][T10922]  ? __raw_spin_lock_init+0x45/0x100
[  617.233157][T10922]  ? __init_swait_queue_head+0xa9/0x150
[  617.233179][T10922]  gfs2_sys_fs_add+0x257/0x480
[  617.233199][T10922]  ? is_dynamic_key+0x1ac/0x1c0
[  617.233220][T10922]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  617.233247][T10922]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  617.233279][T10922]  gfs2_fill_super+0x13a7/0x21d0
[  617.233310][T10922]  ? __pfx_gfs2_fill_super+0x10/0x10
[  617.233331][T10922]  ? sb_set_blocksize+0x155/0x240
[  617.233356][T10922]  ? setup_bdev_super+0x4c1/0x5b0
[  617.233377][T10922]  get_tree_bdev_flags+0x431/0x4f0
[  617.233395][T10922]  ? __pfx_gfs2_fill_super+0x10/0x10
[  617.233410][T10922]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  617.233426][T10922]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  617.233453][T10922]  gfs2_get_tree+0x51/0x1e0
[  617.233472][T10922]  vfs_get_tree+0x92/0x2a0
[  617.233498][T10922]  do_new_mount+0x341/0xd30
[  617.233517][T10922]  ? apparmor_capable+0x126/0x170
[  617.233539][T10922]  ? __pfx_do_new_mount+0x10/0x10
[  617.233566][T10922]  ? ns_capable+0x89/0xe0
[  617.233597][T10922]  ? user_path_at+0xd4/0x160
[  617.233615][T10922]  __se_sys_mount+0x31d/0x420
[  617.233642][T10922]  ? __pfx___se_sys_mount+0x10/0x10
[  617.233669][T10922]  ? __x64_sys_mount+0x20/0xc0
[  617.233688][T10922]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.233706][T10922]  do_syscall_64+0x15f/0xf80
[  617.233725][T10922]  ? trace_irq_disable+0x3b/0x140
[  617.233749][T10922]  ? clear_bhb_loop+0x40/0x90
[  617.233769][T10922]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.233785][T10922] RIP: 0033:0x7fd238a85a9a
[  617.233801][T10922] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  617.233815][T10922] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  617.233833][T10922] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  617.233845][T10922] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  617.233857][T10922] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  617.233868][T10922] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  617.233879][T10922] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  617.233906][T10922]  </TASK>
[  617.233932][T10922] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  617.574414][T10922] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  617.727702][T10932] loop0: detected capacity change from 0 to 32768
[  617.762978][T10932] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  617.802616][T10932] CPU: 0 UID: 0 PID: 10932 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  617.802642][T10932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  617.802652][T10932] Call Trace:
[  617.802660][T10932]  <TASK>
[  617.802668][T10932]  dump_stack_lvl+0xe8/0x150
[  617.802696][T10932]  sysfs_create_dir_ns+0x271/0x2a0
[  617.802721][T10932]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  617.802744][T10932]  ? do_raw_spin_unlock+0xf5/0x210
[  617.802767][T10932]  kobject_add_internal+0x62b/0xd00
[  617.802800][T10932]  kobject_init_and_add+0x12b/0x1a0
[  617.802828][T10932]  ? __pfx_kobject_init_and_add+0x10/0x10
[  617.802850][T10932]  ? __raw_spin_lock_init+0x45/0x100
[  617.802869][T10932]  ? __init_swait_queue_head+0xa9/0x150
[  617.802891][T10932]  gfs2_sys_fs_add+0x257/0x480
[  617.802910][T10932]  ? is_dynamic_key+0x1ac/0x1c0
[  617.802931][T10932]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  617.802956][T10932]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  617.802984][T10932]  gfs2_fill_super+0x13a7/0x21d0
[  617.803014][T10932]  ? __pfx_gfs2_fill_super+0x10/0x10
[  617.803035][T10932]  ? sb_set_blocksize+0x155/0x240
[  617.803059][T10932]  ? setup_bdev_super+0x4c1/0x5b0
[  617.803080][T10932]  get_tree_bdev_flags+0x431/0x4f0
[  617.803098][T10932]  ? __pfx_gfs2_fill_super+0x10/0x10
[  617.803114][T10932]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  617.803129][T10932]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  617.803155][T10932]  gfs2_get_tree+0x51/0x1e0
[  617.803173][T10932]  vfs_get_tree+0x92/0x2a0
executing program
[  617.803193][T10932]  do_new_mount+0x341/0xd30
[  617.803212][T10932]  ? apparmor_capable+0x126/0x170
[  617.803241][T10932]  ? __pfx_do_new_mount+0x10/0x10
[  617.803261][T10932]  ? ns_capable+0x89/0xe0
[  617.803293][T10932]  ? user_path_at+0xd4/0x160
[  617.803312][T10932]  __se_sys_mount+0x31d/0x420
[  617.803339][T10932]  ? __pfx___se_sys_mount+0x10/0x10
[  617.803365][T10932]  ? __x64_sys_mount+0x20/0xc0
[  617.803384][T10932]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.803401][T10932]  do_syscall_64+0x15f/0xf80
[  617.803422][T10932]  ? trace_irq_disable+0x3b/0x140
[  617.803439][T10932]  ? clear_bhb_loop+0x40/0x90
[  617.803460][T10932]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.803474][T10932] RIP: 0033:0x7fd238a85a9a
[  617.803490][T10932] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  617.803503][T10932] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  617.803520][T10932] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  617.803531][T10932] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  617.803542][T10932] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  617.803553][T10932] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  617.803563][T10932] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  617.803589][T10932]  </TASK>
[  617.803615][T10932] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  618.234693][T10934] loop4: detected capacity change from 0 to 32768
[  618.242454][T10932] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  618.271769][T10934] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  618.288205][T10934] CPU: 0 UID: 0 PID: 10934 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  618.288230][T10934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  618.288240][T10934] Call Trace:
[  618.288247][T10934]  <TASK>
[  618.288255][T10934]  dump_stack_lvl+0xe8/0x150
[  618.288284][T10934]  sysfs_create_dir_ns+0x271/0x2a0
[  618.288309][T10934]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  618.288331][T10934]  ? do_raw_spin_unlock+0xf5/0x210
[  618.288353][T10934]  kobject_add_internal+0x62b/0xd00
[  618.288384][T10934]  kobject_init_and_add+0x12b/0x1a0
[  618.288429][T10934]  ? __pfx_kobject_init_and_add+0x10/0x10
[  618.288452][T10934]  ? __raw_spin_lock_init+0x45/0x100
[  618.288491][T10934]  ? __init_swait_queue_head+0xa9/0x150
[  618.288514][T10934]  gfs2_sys_fs_add+0x257/0x480
[  618.288533][T10934]  ? is_dynamic_key+0x1ac/0x1c0
[  618.288555][T10934]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  618.288583][T10934]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  618.288613][T10934]  gfs2_fill_super+0x13a7/0x21d0
[  618.288645][T10934]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.288665][T10934]  ? sb_set_blocksize+0x155/0x240
[  618.288691][T10934]  ? setup_bdev_super+0x4c1/0x5b0
[  618.288712][T10934]  get_tree_bdev_flags+0x431/0x4f0
[  618.288735][T10934]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.288750][T10934]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  618.288765][T10934]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  618.288793][T10934]  gfs2_get_tree+0x51/0x1e0
[  618.288813][T10934]  vfs_get_tree+0x92/0x2a0
[  618.288832][T10934]  do_new_mount+0x341/0xd30
[  618.288851][T10934]  ? apparmor_capable+0x126/0x170
[  618.288888][T10934]  ? __pfx_do_new_mount+0x10/0x10
[  618.288922][T10934]  ? ns_capable+0x89/0xe0
[  618.288962][T10934]  ? user_path_at+0xd4/0x160
[  618.288980][T10934]  __se_sys_mount+0x31d/0x420
[  618.289007][T10934]  ? __pfx___se_sys_mount+0x10/0x10
[  618.289033][T10934]  ? __x64_sys_mount+0x20/0xc0
[  618.289053][T10934]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.289071][T10934]  do_syscall_64+0x15f/0xf80
[  618.289091][T10934]  ? trace_irq_disable+0x3b/0x140
[  618.289110][T10934]  ? clear_bhb_loop+0x40/0x90
[  618.289130][T10934]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.289146][T10934] RIP: 0033:0x7fd238a85a9a
[  618.289163][T10934] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  618.289177][T10934] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  618.289195][T10934] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  618.289208][T10934] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  618.289219][T10934] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  618.289230][T10934] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  618.289240][T10934] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  618.289267][T10934]  </TASK>
[  618.289300][T10934] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  618.307204][T10933] loop2: detected capacity change from 0 to 32768
[  618.350262][T10934] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  618.645047][T10933] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  618.672204][T10933] CPU: 0 UID: 0 PID: 10933 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  618.672229][T10933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  618.672239][T10933] Call Trace:
[  618.672245][T10933]  <TASK>
[  618.672253][T10933]  dump_stack_lvl+0xe8/0x150
[  618.672282][T10933]  sysfs_create_dir_ns+0x271/0x2a0
[  618.672308][T10933]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  618.672332][T10933]  ? do_raw_spin_unlock+0xf5/0x210
[  618.672353][T10933]  kobject_add_internal+0x62b/0xd00
[  618.672382][T10933]  kobject_init_and_add+0x12b/0x1a0
[  618.672407][T10933]  ? __pfx_kobject_init_and_add+0x10/0x10
[  618.672430][T10933]  ? __raw_spin_lock_init+0x45/0x100
[  618.672454][T10933]  ? __init_swait_queue_head+0xa9/0x150
[  618.672476][T10933]  gfs2_sys_fs_add+0x257/0x480
[  618.672495][T10933]  ? is_dynamic_key+0x1ac/0x1c0
[  618.672516][T10933]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  618.672541][T10933]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  618.672572][T10933]  gfs2_fill_super+0x13a7/0x21d0
[  618.672601][T10933]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.672620][T10933]  ? sb_set_blocksize+0x155/0x240
[  618.672644][T10933]  ? setup_bdev_super+0x4c1/0x5b0
[  618.672663][T10933]  get_tree_bdev_flags+0x431/0x4f0
[  618.672679][T10933]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.672693][T10933]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  618.672707][T10933]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  618.672734][T10933]  gfs2_get_tree+0x51/0x1e0
[  618.672752][T10933]  vfs_get_tree+0x92/0x2a0
[  618.672771][T10933]  do_new_mount+0x341/0xd30
[  618.672790][T10933]  ? apparmor_capable+0x126/0x170
[  618.672811][T10933]  ? __pfx_do_new_mount+0x10/0x10
[  618.672830][T10933]  ? ns_capable+0x89/0xe0
[  618.672859][T10933]  ? user_path_at+0xd4/0x160
executing program
executing program
[  618.672875][T10933]  __se_sys_mount+0x31d/0x420
[  618.672900][T10933]  ? __pfx___se_sys_mount+0x10/0x10
[  618.672926][T10933]  ? __x64_sys_mount+0x20/0xc0
[  618.672944][T10933]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.672962][T10933]  do_syscall_64+0x15f/0xf80
[  618.672979][T10933]  ? trace_irq_disable+0x3b/0x140
[  618.672997][T10933]  ? clear_bhb_loop+0x40/0x90
[  618.673015][T10933]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.673030][T10933] RIP: 0033:0x7fd238a85a9a
[  618.673045][T10933] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  618.673058][T10933] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  618.673079][T10933] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  618.673092][T10933] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  618.673103][T10933] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  618.673114][T10933] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  618.673125][T10933] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  618.673150][T10933]  </TASK>
[  618.673198][T10933] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  619.290455][T10933] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  619.390109][T10938] loop3: detected capacity change from 0 to 32768
[  619.436214][T10938] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  619.476115][T10938] CPU: 1 UID: 0 PID: 10938 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  619.476139][T10938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  619.476149][T10938] Call Trace:
[  619.476156][T10938]  <TASK>
[  619.476164][T10938]  dump_stack_lvl+0xe8/0x150
[  619.476192][T10938]  sysfs_create_dir_ns+0x271/0x2a0
[  619.476218][T10938]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  619.476240][T10938]  ? do_raw_spin_unlock+0xf5/0x210
[  619.476264][T10938]  kobject_add_internal+0x62b/0xd00
[  619.476295][T10938]  kobject_init_and_add+0x12b/0x1a0
[  619.476322][T10938]  ? __pfx_kobject_init_and_add+0x10/0x10
[  619.476345][T10938]  ? __raw_spin_lock_init+0x45/0x100
[  619.476365][T10938]  ? __init_swait_queue_head+0xa9/0x150
[  619.476387][T10938]  gfs2_sys_fs_add+0x257/0x480
[  619.476407][T10938]  ? is_dynamic_key+0x1ac/0x1c0
[  619.476427][T10938]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  619.476453][T10938]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  619.476483][T10938]  gfs2_fill_super+0x13a7/0x21d0
[  619.476512][T10938]  ? __pfx_gfs2_fill_super+0x10/0x10
[  619.476532][T10938]  ? sb_set_blocksize+0x155/0x240
[  619.476557][T10938]  ? setup_bdev_super+0x4c1/0x5b0
[  619.476577][T10938]  get_tree_bdev_flags+0x431/0x4f0
[  619.476593][T10938]  ? __pfx_gfs2_fill_super+0x10/0x10
[  619.476608][T10938]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  619.476622][T10938]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  619.476648][T10938]  gfs2_get_tree+0x51/0x1e0
[  619.476669][T10938]  vfs_get_tree+0x92/0x2a0
[  619.476689][T10938]  do_new_mount+0x341/0xd30
[  619.476708][T10938]  ? apparmor_capable+0x126/0x170
[  619.476730][T10938]  ? __pfx_do_new_mount+0x10/0x10
[  619.476749][T10938]  ? ns_capable+0x89/0xe0
[  619.476785][T10938]  ? user_path_at+0xd4/0x160
[  619.476800][T10938]  __se_sys_mount+0x31d/0x420
[  619.476832][T10938]  ? __pfx___se_sys_mount+0x10/0x10
[  619.476856][T10938]  ? __x64_sys_mount+0x20/0xc0
[  619.476881][T10938]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  619.476899][T10938]  do_syscall_64+0x15f/0xf80
executing program
[  619.476919][T10938]  ? trace_irq_disable+0x3b/0x140
[  619.476937][T10938]  ? clear_bhb_loop+0x40/0x90
[  619.476962][T10938]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  619.476977][T10938] RIP: 0033:0x7fd238a85a9a
[  619.476994][T10938] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[  619.477007][T10938] RSP: 002b:00007ffc55f8f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  619.477025][T10938] RAX: ffffffffffffffda RBX: 00007ffc55f8f2b0 RCX: 00007fd238a85a9a
[  619.477037][T10938] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc55f8f2b0
[  619.477056][T10938] RBP: 0000200000012500 R08: 00007ffc55f8f2f0 R09: 0000000000000000
[  619.477066][T10938] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[  619.477076][T10938] R13: 00007ffc55f8f2f0 R14: 0000000000000003 R15: 0000000000000000
[  619.477100][T10938]  </TASK>
[  619.477126][T10938] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  619.790414][T10945] loop0: detected capacity change from 0 to 32768
[  619.930465][T10945] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  619.945814][T10938] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  619.967679][T10945] CPU: 0 UID: 0 PID: 10945 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full) 
[  619.967704][T10945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  619.967714][T10945] Call Trace:
[  619.967721][T10945]  <TASK>
[  619.967729][T10945]  dump_stack_lvl+0xe8/0x150
[  619.967757][T10945]  sysfs_create_dir_ns+0x271/0x2a0
[  619.967783][T10945]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  619.967806][T10945]  ? do_raw_spin_unlock+0xf5/0x210
[  619.967829][T10945]  kobject_add_internal+0x62b/0xd00
[  619.967860][T10945]  kobject_init_and_add+0x12b/0x1a0