46 ORIG_RAX: 00000000000000a5
[  269.097474][ T6550] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  269.097486][ T6550] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  269.097497][ T6550] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  269.097508][ T6550] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  269.097519][ T6550] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  269.097546][ T6550]  </TASK>
[  269.118514][ T6550] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.400458][ T6550] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/04 06:03:40 executed programs: 171
[  269.717891][ T6553] loop1: detected capacity change from 0 to 32768
[  269.729755][ T6553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.737232][ T6553] CPU: 1 UID: 0 PID: 6553 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  269.737257][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  269.737269][ T6553] Call Trace:
[  269.737276][ T6553]  <TASK>
[  269.737284][ T6553]  dump_stack_lvl+0xe8/0x150
[  269.737312][ T6553]  sysfs_create_dir_ns+0x271/0x2a0
[  269.737335][ T6553]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.737356][ T6553]  ? do_raw_spin_unlock+0xf5/0x210
[  269.737380][ T6553]  kobject_add_internal+0x62b/0xd00
[  269.737408][ T6553]  kobject_init_and_add+0x12b/0x1a0
[  269.737434][ T6553]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.737455][ T6553]  ? __raw_spin_lock_init+0x45/0x100
[  269.737475][ T6553]  ? __init_swait_queue_head+0xa9/0x150
[  269.737498][ T6553]  gfs2_sys_fs_add+0x257/0x480
[  269.737519][ T6553]  ? is_dynamic_key+0x1ac/0x1c0
[  269.737552][ T6553]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.737582][ T6553]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.737612][ T6553]  gfs2_fill_super+0x13a7/0x21d0
[  269.737643][ T6553]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.737664][ T6553]  ? sb_set_blocksize+0x155/0x240
[  269.737685][ T6553]  ? setup_bdev_super+0x4c1/0x5b0
[  269.737710][ T6553]  get_tree_bdev_flags+0x431/0x4f0
[  269.737732][ T6553]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.737750][ T6553]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.737770][ T6553]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  269.737803][ T6553]  gfs2_get_tree+0x51/0x1e0
[  269.737825][ T6553]  vfs_get_tree+0x92/0x2a0
[  269.737850][ T6553]  do_new_mount+0x341/0xd30
[  269.737867][ T6553]  ? apparmor_capable+0x126/0x170
[  269.737889][ T6553]  ? __pfx_do_new_mount+0x10/0x10
[  269.737907][ T6553]  ? ns_capable+0x89/0xe0
[  269.737939][ T6553]  ? user_path_at+0xd4/0x160
[  269.737961][ T6553]  __se_sys_mount+0x31d/0x420
[  269.737986][ T6553]  ? __pfx___se_sys_mount+0x10/0x10
[  269.738009][ T6553]  ? __x64_sys_mount+0x20/0xc0
[  269.738028][ T6553]  do_syscall_64+0x14d/0xf80
[  269.738045][ T6553]  ? trace_irq_disable+0x3b/0x150
[  269.738063][ T6553]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.738081][ T6553]  ? clear_bhb_loop+0x40/0x90
[  269.738103][ T6553]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.738120][ T6553] RIP: 0033:0x7f678059da0a
[  269.738138][ T6553] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.738153][ T6553] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.738172][ T6553] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  269.738185][ T6553] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  269.738197][ T6553] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  269.738208][ T6553] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  269.738220][ T6553] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  269.738251][ T6553]  </TASK>
[  270.025730][ T6553] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.039817][ T6553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.353445][ T6556] loop1: detected capacity change from 0 to 32768
[  270.366412][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.375270][ T6556] CPU: 0 UID: 0 PID: 6556 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  270.375295][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  270.375306][ T6556] Call Trace:
[  270.375314][ T6556]  <TASK>
[  270.375324][ T6556]  dump_stack_lvl+0xe8/0x150
[  270.375352][ T6556]  sysfs_create_dir_ns+0x271/0x2a0
[  270.375375][ T6556]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.375397][ T6556]  ? do_raw_spin_unlock+0xf5/0x210
[  270.375420][ T6556]  kobject_add_internal+0x62b/0xd00
[  270.375448][ T6556]  kobject_init_and_add+0x12b/0x1a0
[  270.375482][ T6556]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.375504][ T6556]  ? __raw_spin_lock_init+0x45/0x100
[  270.375523][ T6556]  ? __init_swait_queue_head+0xa9/0x150
[  270.375543][ T6556]  gfs2_sys_fs_add+0x257/0x480
[  270.375564][ T6556]  ? is_dynamic_key+0x1ac/0x1c0
[  270.375585][ T6556]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.375614][ T6556]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.375645][ T6556]  gfs2_fill_super+0x13a7/0x21d0
[  270.375678][ T6556]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.375700][ T6556]  ? sb_set_blocksize+0x155/0x240
[  270.375720][ T6556]  ? setup_bdev_super+0x4c1/0x5b0
[  270.375744][ T6556]  get_tree_bdev_flags+0x431/0x4f0
[  270.375767][ T6556]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.375784][ T6556]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.375803][ T6556]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.375833][ T6556]  gfs2_get_tree+0x51/0x1e0
[  270.375853][ T6556]  vfs_get_tree+0x92/0x2a0
[  270.375876][ T6556]  do_new_mount+0x341/0xd30
[  270.375893][ T6556]  ? apparmor_capable+0x126/0x170
[  270.375915][ T6556]  ? __pfx_do_new_mount+0x10/0x10
[  270.375932][ T6556]  ? ns_capable+0x89/0xe0
[  270.375964][ T6556]  ? user_path_at+0xd4/0x160
[  270.375986][ T6556]  __se_sys_mount+0x31d/0x420
[  270.376010][ T6556]  ? __pfx___se_sys_mount+0x10/0x10
[  270.376035][ T6556]  ? __x64_sys_mount+0x20/0xc0
[  270.376055][ T6556]  do_syscall_64+0x14d/0xf80
[  270.376072][ T6556]  ? trace_irq_disable+0x3b/0x150
[  270.376090][ T6556]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.376107][ T6556]  ? clear_bhb_loop+0x40/0x90
[  270.376129][ T6556]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.376146][ T6556] RIP: 0033:0x7f678059da0a
[  270.376163][ T6556] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.376177][ T6556] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.376197][ T6556] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  270.376210][ T6556] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  270.376223][ T6556] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  270.376236][ T6556] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  270.376248][ T6556] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  270.376278][ T6556]  </TASK>
[  270.376352][ T6556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.678509][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.031112][ T6559] loop1: detected capacity change from 0 to 32768
[  271.044985][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.052838][ T6559] CPU: 1 UID: 0 PID: 6559 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  271.052862][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  271.052874][ T6559] Call Trace:
[  271.052882][ T6559]  <TASK>
[  271.052890][ T6559]  dump_stack_lvl+0xe8/0x150
[  271.052920][ T6559]  sysfs_create_dir_ns+0x271/0x2a0
[  271.052944][ T6559]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.052966][ T6559]  ? do_raw_spin_unlock+0xf5/0x210
[  271.052991][ T6559]  kobject_add_internal+0x62b/0xd00
[  271.053020][ T6559]  kobject_init_and_add+0x12b/0x1a0
[  271.053046][ T6559]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.053072][ T6559]  ? __raw_spin_lock_init+0x45/0x100
[  271.053091][ T6559]  ? __init_swait_queue_head+0xa9/0x150
[  271.053114][ T6559]  gfs2_sys_fs_add+0x257/0x480
[  271.053137][ T6559]  ? is_dynamic_key+0x1ac/0x1c0
[  271.053160][ T6559]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.053191][ T6559]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.053224][ T6559]  gfs2_fill_super+0x13a7/0x21d0
[  271.053256][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.053279][ T6559]  ? sb_set_blocksize+0x155/0x240
[  271.053300][ T6559]  ? setup_bdev_super+0x4c1/0x5b0
[  271.053325][ T6559]  get_tree_bdev_flags+0x431/0x4f0
[  271.053349][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.053367][ T6559]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.053388][ T6559]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.053427][ T6559]  gfs2_get_tree+0x51/0x1e0
[  271.053448][ T6559]  vfs_get_tree+0x92/0x2a0
[  271.053473][ T6559]  do_new_mount+0x341/0xd30
[  271.053491][ T6559]  ? apparmor_capable+0x126/0x170
[  271.053515][ T6559]  ? __pfx_do_new_mount+0x10/0x10
[  271.053534][ T6559]  ? ns_capable+0x89/0xe0
[  271.053566][ T6559]  ? user_path_at+0xd4/0x160
[  271.053590][ T6559]  __se_sys_mount+0x31d/0x420
[  271.053614][ T6559]  ? __pfx___se_sys_mount+0x10/0x10
[  271.053639][ T6559]  ? __x64_sys_mount+0x20/0xc0
[  271.053659][ T6559]  do_syscall_64+0x14d/0xf80
[  271.053677][ T6559]  ? trace_irq_disable+0x3b/0x150
[  271.053693][ T6559]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.053710][ T6559]  ? clear_bhb_loop+0x40/0x90
[  271.053730][ T6559]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.053745][ T6559] RIP: 0033:0x7f678059da0a
[  271.053762][ T6559] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.053776][ T6559] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.053795][ T6559] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  271.053808][ T6559] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  271.053820][ T6559] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  271.053832][ T6559] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  271.053842][ T6559] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  271.053868][ T6559]  </TASK>
[  271.053944][ T6559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.356197][ T6559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.672136][ T6562] loop1: detected capacity change from 0 to 32768
[  271.694862][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.702416][ T6562] CPU: 0 UID: 0 PID: 6562 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  271.702441][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  271.702453][ T6562] Call Trace:
[  271.702461][ T6562]  <TASK>
[  271.702468][ T6562]  dump_stack_lvl+0xe8/0x150
[  271.702498][ T6562]  sysfs_create_dir_ns+0x271/0x2a0
[  271.702522][ T6562]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.702543][ T6562]  ? do_raw_spin_unlock+0xf5/0x210
[  271.702568][ T6562]  kobject_add_internal+0x62b/0xd00
[  271.702597][ T6562]  kobject_init_and_add+0x12b/0x1a0
[  271.702622][ T6562]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.702645][ T6562]  ? __raw_spin_lock_init+0x45/0x100
[  271.702666][ T6562]  ? __init_swait_queue_head+0xa9/0x150
[  271.702690][ T6562]  gfs2_sys_fs_add+0x257/0x480
[  271.702712][ T6562]  ? is_dynamic_key+0x1ac/0x1c0
[  271.702735][ T6562]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.702765][ T6562]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.702795][ T6562]  gfs2_fill_super+0x13a7/0x21d0
[  271.702825][ T6562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.702846][ T6562]  ? sb_set_blocksize+0x155/0x240
[  271.702868][ T6562]  ? setup_bdev_super+0x4c1/0x5b0
[  271.702894][ T6562]  get_tree_bdev_flags+0x431/0x4f0
[  271.702918][ T6562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.702936][ T6562]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.702955][ T6562]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.702986][ T6562]  gfs2_get_tree+0x51/0x1e0
[  271.703006][ T6562]  vfs_get_tree+0x92/0x2a0
[  271.703031][ T6562]  do_new_mount+0x341/0xd30
[  271.703049][ T6562]  ? apparmor_capable+0x126/0x170
[  271.703071][ T6562]  ? __pfx_do_new_mount+0x10/0x10
[  271.703090][ T6562]  ? ns_capable+0x89/0xe0
[  271.703121][ T6562]  ? user_path_at+0xd4/0x160
[  271.703144][ T6562]  __se_sys_mount+0x31d/0x420
[  271.703169][ T6562]  ? __pfx___se_sys_mount+0x10/0x10
[  271.703193][ T6562]  ? __x64_sys_mount+0x20/0xc0
[  271.703214][ T6562]  do_syscall_64+0x14d/0xf80
[  271.703232][ T6562]  ? trace_irq_disable+0x3b/0x150
[  271.703250][ T6562]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.703267][ T6562]  ? clear_bhb_loop+0x40/0x90
[  271.703287][ T6562]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.703305][ T6562] RIP: 0033:0x7f678059da0a
[  271.703323][ T6562] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.703349][ T6562] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.703370][ T6562] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  271.703384][ T6562] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  271.703397][ T6562] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  271.703409][ T6562] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  271.703428][ T6562] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  271.703456][ T6562]  </TASK>
[  271.703480][ T6562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.005323][ T6562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.325972][ T6565] loop1: detected capacity change from 0 to 32768
[  272.337378][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.345104][ T6565] CPU: 1 UID: 0 PID: 6565 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  272.345127][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  272.345138][ T6565] Call Trace:
[  272.345146][ T6565]  <TASK>
[  272.345153][ T6565]  dump_stack_lvl+0xe8/0x150
[  272.345182][ T6565]  sysfs_create_dir_ns+0x271/0x2a0
[  272.345206][ T6565]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.345228][ T6565]  ? do_raw_spin_unlock+0xf5/0x210
[  272.345250][ T6565]  kobject_add_internal+0x62b/0xd00
[  272.345277][ T6565]  kobject_init_and_add+0x12b/0x1a0
[  272.345303][ T6565]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.345321][ T6565]  ? __raw_spin_lock_init+0x45/0x100
[  272.345341][ T6565]  ? __init_swait_queue_head+0xa9/0x150
[  272.345364][ T6565]  gfs2_sys_fs_add+0x257/0x480
[  272.345385][ T6565]  ? is_dynamic_key+0x1ac/0x1c0
[  272.345408][ T6565]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.345437][ T6565]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.345467][ T6565]  gfs2_fill_super+0x13a7/0x21d0
[  272.345498][ T6565]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.345520][ T6565]  ? sb_set_blocksize+0x155/0x240
[  272.345542][ T6565]  ? setup_bdev_super+0x4c1/0x5b0
[  272.345565][ T6565]  get_tree_bdev_flags+0x431/0x4f0
[  272.345588][ T6565]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.345606][ T6565]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.345627][ T6565]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.345660][ T6565]  gfs2_get_tree+0x51/0x1e0
[  272.345680][ T6565]  vfs_get_tree+0x92/0x2a0
[  272.345705][ T6565]  do_new_mount+0x341/0xd30
[  272.345722][ T6565]  ? apparmor_capable+0x126/0x170
[  272.345744][ T6565]  ? __pfx_do_new_mount+0x10/0x10
[  272.345762][ T6565]  ? ns_capable+0x89/0xe0
[  272.345794][ T6565]  ? user_path_at+0xd4/0x160
[  272.345816][ T6565]  __se_sys_mount+0x31d/0x420
[  272.345850][ T6565]  ? __pfx___se_sys_mount+0x10/0x10
[  272.345873][ T6565]  ? __x64_sys_mount+0x20/0xc0
[  272.345894][ T6565]  do_syscall_64+0x14d/0xf80
[  272.345911][ T6565]  ? trace_irq_disable+0x3b/0x150
[  272.345929][ T6565]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.345947][ T6565]  ? clear_bhb_loop+0x40/0x90
[  272.345968][ T6565]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.345985][ T6565] RIP: 0033:0x7f678059da0a
[  272.346003][ T6565] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.346018][ T6565] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.346037][ T6565] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  272.346051][ T6565] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  272.346064][ T6565] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  272.346076][ T6565] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  272.346088][ T6565] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  272.346116][ T6565]  </TASK>
[  272.346139][ T6565] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.648551][ T6565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.954966][ T6568] loop1: detected capacity change from 0 to 32768
[  272.973451][ T6568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.981408][ T6568] CPU: 1 UID: 0 PID: 6568 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  272.981432][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  272.981443][ T6568] Call Trace:
[  272.981451][ T6568]  <TASK>
[  272.981459][ T6568]  dump_stack_lvl+0xe8/0x150
[  272.981490][ T6568]  sysfs_create_dir_ns+0x271/0x2a0
[  272.981514][ T6568]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.981537][ T6568]  ? do_raw_spin_unlock+0xf5/0x210
[  272.981562][ T6568]  kobject_add_internal+0x62b/0xd00
[  272.981591][ T6568]  kobject_init_and_add+0x12b/0x1a0
[  272.981614][ T6568]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.981636][ T6568]  ? __raw_spin_lock_init+0x45/0x100
[  272.981656][ T6568]  ? __init_swait_queue_head+0xa9/0x150
[  272.981679][ T6568]  gfs2_sys_fs_add+0x257/0x480
[  272.981700][ T6568]  ? is_dynamic_key+0x1ac/0x1c0
[  272.981722][ T6568]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.981751][ T6568]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.981783][ T6568]  gfs2_fill_super+0x13a7/0x21d0
[  272.981815][ T6568]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.981837][ T6568]  ? sb_set_blocksize+0x155/0x240
[  272.981857][ T6568]  ? setup_bdev_super+0x4c1/0x5b0
[  272.981882][ T6568]  get_tree_bdev_flags+0x431/0x4f0
[  272.981905][ T6568]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.981923][ T6568]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.981943][ T6568]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.981975][ T6568]  gfs2_get_tree+0x51/0x1e0
[  272.981994][ T6568]  vfs_get_tree+0x92/0x2a0
[  272.982018][ T6568]  do_new_mount+0x341/0xd30
[  272.982035][ T6568]  ? apparmor_capable+0x126/0x170
[  272.982059][ T6568]  ? __pfx_do_new_mount+0x10/0x10
[  272.982078][ T6568]  ? ns_capable+0x89/0xe0
[  272.982111][ T6568]  ? user_path_at+0xd4/0x160
[  272.982135][ T6568]  __se_sys_mount+0x31d/0x420
[  272.982157][ T6568]  ? __pfx___se_sys_mount+0x10/0x10
[  272.982181][ T6568]  ? __x64_sys_mount+0x20/0xc0
[  272.982200][ T6568]  do_syscall_64+0x14d/0xf80
[  272.982217][ T6568]  ? trace_irq_disable+0x3b/0x150
[  272.982234][ T6568]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.982252][ T6568]  ? clear_bhb_loop+0x40/0x90
[  272.982273][ T6568]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.982289][ T6568] RIP: 0033:0x7f678059da0a
[  272.982306][ T6568] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.982321][ T6568] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.982341][ T6568] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  272.982354][ T6568] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  272.982367][ T6568] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  272.982378][ T6568] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  272.982404][ T6568] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  272.982432][ T6568]  </TASK>
[  272.982455][ T6568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.284012][ T6568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.588768][ T6571] loop1: detected capacity change from 0 to 32768
[  273.612218][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.619797][ T6571] CPU: 0 UID: 0 PID: 6571 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  273.619823][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  273.619834][ T6571] Call Trace:
[  273.619842][ T6571]  <TASK>
[  273.619849][ T6571]  dump_stack_lvl+0xe8/0x150
[  273.619880][ T6571]  sysfs_create_dir_ns+0x271/0x2a0
[  273.619903][ T6571]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.619925][ T6571]  ? do_raw_spin_unlock+0xf5/0x210
[  273.619948][ T6571]  kobject_add_internal+0x62b/0xd00
[  273.619977][ T6571]  kobject_init_and_add+0x12b/0x1a0
[  273.620003][ T6571]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.620026][ T6571]  ? __raw_spin_lock_init+0x45/0x100
[  273.620049][ T6571]  ? __init_swait_queue_head+0xa9/0x150
[  273.620072][ T6571]  gfs2_sys_fs_add+0x257/0x480
[  273.620095][ T6571]  ? is_dynamic_key+0x1ac/0x1c0
[  273.620117][ T6571]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.620145][ T6571]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.620176][ T6571]  gfs2_fill_super+0x13a7/0x21d0
[  273.620204][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.620226][ T6571]  ? sb_set_blocksize+0x155/0x240
[  273.620247][ T6571]  ? setup_bdev_super+0x4c1/0x5b0
[  273.620271][ T6571]  get_tree_bdev_flags+0x431/0x4f0
[  273.620293][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.620310][ T6571]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.620331][ T6571]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.620362][ T6571]  gfs2_get_tree+0x51/0x1e0
[  273.620382][ T6571]  vfs_get_tree+0x92/0x2a0
[  273.620406][ T6571]  do_new_mount+0x341/0xd30
[  273.620424][ T6571]  ? apparmor_capable+0x126/0x170
[  273.620446][ T6571]  ? __pfx_do_new_mount+0x10/0x10
[  273.620465][ T6571]  ? ns_capable+0x89/0xe0
[  273.620498][ T6571]  ? user_path_at+0xd4/0x160
[  273.620521][ T6571]  __se_sys_mount+0x31d/0x420
[  273.620544][ T6571]  ? __pfx___se_sys_mount+0x10/0x10
[  273.620566][ T6571]  ? __x64_sys_mount+0x20/0xc0
[  273.620586][ T6571]  do_syscall_64+0x14d/0xf80
[  273.620605][ T6571]  ? trace_irq_disable+0x3b/0x150
[  273.620623][ T6571]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.620641][ T6571]  ? clear_bhb_loop+0x40/0x90
[  273.620663][ T6571]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.620681][ T6571] RIP: 0033:0x7f678059da0a
[  273.620698][ T6571] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  273.620713][ T6571] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.620732][ T6571] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  273.620745][ T6571] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  273.620767][ T6571] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  273.620779][ T6571] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  273.620790][ T6571] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  273.620817][ T6571]  </TASK>
[  273.620842][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.922775][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.234210][ T6574] loop1: detected capacity change from 0 to 32768
[  274.249286][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.256722][ T6574] CPU: 1 UID: 0 PID: 6574 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  274.256746][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  274.256758][ T6574] Call Trace:
[  274.256766][ T6574]  <TASK>
[  274.256773][ T6574]  dump_stack_lvl+0xe8/0x150
[  274.256804][ T6574]  sysfs_create_dir_ns+0x271/0x2a0
[  274.256828][ T6574]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.256850][ T6574]  ? do_raw_spin_unlock+0xf5/0x210
[  274.256873][ T6574]  kobject_add_internal+0x62b/0xd00
[  274.256903][ T6574]  kobject_init_and_add+0x12b/0x1a0
[  274.256930][ T6574]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.256952][ T6574]  ? __raw_spin_lock_init+0x45/0x100
[  274.256973][ T6574]  ? __init_swait_queue_head+0xa9/0x150
[  274.256996][ T6574]  gfs2_sys_fs_add+0x257/0x480
[  274.257018][ T6574]  ? is_dynamic_key+0x1ac/0x1c0
[  274.257041][ T6574]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.257072][ T6574]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.257114][ T6574]  gfs2_fill_super+0x13a7/0x21d0
[  274.257147][ T6574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.257170][ T6574]  ? sb_set_blocksize+0x155/0x240
[  274.257191][ T6574]  ? setup_bdev_super+0x4c1/0x5b0
[  274.257216][ T6574]  get_tree_bdev_flags+0x431/0x4f0
[  274.257240][ T6574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.257257][ T6574]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.257277][ T6574]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.257310][ T6574]  gfs2_get_tree+0x51/0x1e0
[  274.257329][ T6574]  vfs_get_tree+0x92/0x2a0
[  274.257353][ T6574]  do_new_mount+0x341/0xd30
[  274.257371][ T6574]  ? apparmor_capable+0x126/0x170
[  274.257395][ T6574]  ? __pfx_do_new_mount+0x10/0x10
[  274.257413][ T6574]  ? ns_capable+0x89/0xe0
[  274.257446][ T6574]  ? user_path_at+0xd4/0x160
[  274.257470][ T6574]  __se_sys_mount+0x31d/0x420
[  274.257494][ T6574]  ? __pfx___se_sys_mount+0x10/0x10
[  274.257518][ T6574]  ? __x64_sys_mount+0x20/0xc0
[  274.257538][ T6574]  do_syscall_64+0x14d/0xf80
[  274.257555][ T6574]  ? trace_irq_disable+0x3b/0x150
[  274.257573][ T6574]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.257589][ T6574]  ? clear_bhb_loop+0x40/0x90
[  274.257610][ T6574]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.257627][ T6574] RIP: 0033:0x7f678059da0a
[  274.257645][ T6574] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.257659][ T6574] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.257679][ T6574] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  274.257692][ T6574] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  274.257705][ T6574] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  274.257716][ T6574] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  274.257728][ T6574] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  274.257756][ T6574]  </TASK>
[  274.257780][ T6574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.557800][ T6574] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/04 06:03:45 executed programs: 179
[  274.867879][ T6577] loop1: detected capacity change from 0 to 32768
[  274.880765][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.888235][ T6577] CPU: 1 UID: 0 PID: 6577 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  274.888262][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  274.888273][ T6577] Call Trace:
[  274.888280][ T6577]  <TASK>
[  274.888287][ T6577]  dump_stack_lvl+0xe8/0x150
[  274.888318][ T6577]  sysfs_create_dir_ns+0x271/0x2a0
[  274.888342][ T6577]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.888365][ T6577]  ? do_raw_spin_unlock+0xf5/0x210
[  274.888389][ T6577]  kobject_add_internal+0x62b/0xd00
[  274.888415][ T6577]  kobject_init_and_add+0x12b/0x1a0
[  274.888438][ T6577]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.888458][ T6577]  ? __raw_spin_lock_init+0x45/0x100
[  274.888477][ T6577]  ? __init_swait_queue_head+0xa9/0x150
[  274.888498][ T6577]  gfs2_sys_fs_add+0x257/0x480
[  274.888521][ T6577]  ? is_dynamic_key+0x1ac/0x1c0
[  274.888552][ T6577]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.888581][ T6577]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.888611][ T6577]  gfs2_fill_super+0x13a7/0x21d0
[  274.888640][ T6577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.888660][ T6577]  ? sb_set_blocksize+0x155/0x240
[  274.888680][ T6577]  ? setup_bdev_super+0x4c1/0x5b0
[  274.888703][ T6577]  get_tree_bdev_flags+0x431/0x4f0
[  274.888725][ T6577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.888739][ T6577]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.888757][ T6577]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.888787][ T6577]  gfs2_get_tree+0x51/0x1e0
[  274.888806][ T6577]  vfs_get_tree+0x92/0x2a0
[  274.888829][ T6577]  do_new_mount+0x341/0xd30
[  274.888844][ T6577]  ? apparmor_capable+0x126/0x170
[  274.888864][ T6577]  ? __pfx_do_new_mount+0x10/0x10
[  274.888881][ T6577]  ? ns_capable+0x89/0xe0
[  274.888911][ T6577]  ? user_path_at+0xd4/0x160
[  274.888933][ T6577]  __se_sys_mount+0x31d/0x420
[  274.888956][ T6577]  ? __pfx___se_sys_mount+0x10/0x10
[  274.888979][ T6577]  ? __x64_sys_mount+0x20/0xc0
[  274.888999][ T6577]  do_syscall_64+0x14d/0xf80
[  274.889016][ T6577]  ? trace_irq_disable+0x3b/0x150
[  274.889033][ T6577]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.889059][ T6577]  ? clear_bhb_loop+0x40/0x90
[  274.889079][ T6577]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.889095][ T6577] RIP: 0033:0x7f678059da0a
[  274.889109][ T6577] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.889121][ T6577] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.889136][ T6577] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  274.889146][ T6577] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  274.889156][ T6577] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  274.889165][ T6577] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  274.889174][ T6577] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  274.889196][ T6577]  </TASK>
[  275.175003][ T6577] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.189493][ T6577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.474826][ T6580] loop1: detected capacity change from 0 to 32768
[  275.486842][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.495726][ T6580] CPU: 1 UID: 0 PID: 6580 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  275.495750][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  275.495761][ T6580] Call Trace:
[  275.495769][ T6580]  <TASK>
[  275.495776][ T6580]  dump_stack_lvl+0xe8/0x150
[  275.495805][ T6580]  sysfs_create_dir_ns+0x271/0x2a0
[  275.495828][ T6580]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.495848][ T6580]  ? do_raw_spin_unlock+0xf5/0x210
[  275.495873][ T6580]  kobject_add_internal+0x62b/0xd00
[  275.495902][ T6580]  kobject_init_and_add+0x12b/0x1a0
[  275.495926][ T6580]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.495948][ T6580]  ? __raw_spin_lock_init+0x45/0x100
[  275.495968][ T6580]  ? __init_swait_queue_head+0xa9/0x150
[  275.495989][ T6580]  gfs2_sys_fs_add+0x257/0x480
[  275.496010][ T6580]  ? is_dynamic_key+0x1ac/0x1c0
[  275.496030][ T6580]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.496056][ T6580]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.496086][ T6580]  gfs2_fill_super+0x13a7/0x21d0
[  275.496119][ T6580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.496142][ T6580]  ? sb_set_blocksize+0x155/0x240
[  275.496163][ T6580]  ? setup_bdev_super+0x4c1/0x5b0
[  275.496187][ T6580]  get_tree_bdev_flags+0x431/0x4f0
[  275.496211][ T6580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.496228][ T6580]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.496248][ T6580]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.496278][ T6580]  gfs2_get_tree+0x51/0x1e0
[  275.496298][ T6580]  vfs_get_tree+0x92/0x2a0
[  275.496322][ T6580]  do_new_mount+0x341/0xd30
[  275.496339][ T6580]  ? apparmor_capable+0x126/0x170
[  275.496361][ T6580]  ? __pfx_do_new_mount+0x10/0x10
[  275.496379][ T6580]  ? ns_capable+0x89/0xe0
[  275.496412][ T6580]  ? user_path_at+0xd4/0x160
[  275.496435][ T6580]  __se_sys_mount+0x31d/0x420
[  275.496458][ T6580]  ? __pfx___se_sys_mount+0x10/0x10
[  275.496482][ T6580]  ? __x64_sys_mount+0x20/0xc0
[  275.496513][ T6580]  do_syscall_64+0x14d/0xf80
[  275.496530][ T6580]  ? trace_irq_disable+0x3b/0x150
[  275.496548][ T6580]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.496565][ T6580]  ? clear_bhb_loop+0x40/0x90
[  275.496590][ T6580]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.496607][ T6580] RIP: 0033:0x7f678059da0a
[  275.496625][ T6580] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.496639][ T6580] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.496657][ T6580] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  275.496671][ T6580] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  275.496683][ T6580] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  275.496695][ T6580] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  275.496708][ T6580] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  275.496737][ T6580]  </TASK>
[  275.496781][ T6580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.797007][ T6580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.102662][ T6583] loop1: detected capacity change from 0 to 32768
[  276.115384][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.122978][ T6583] CPU: 0 UID: 0 PID: 6583 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  276.123001][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  276.123011][ T6583] Call Trace:
[  276.123019][ T6583]  <TASK>
[  276.123027][ T6583]  dump_stack_lvl+0xe8/0x150
[  276.123056][ T6583]  sysfs_create_dir_ns+0x271/0x2a0
[  276.123077][ T6583]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.123095][ T6583]  ? do_raw_spin_unlock+0xf5/0x210
[  276.123118][ T6583]  kobject_add_internal+0x62b/0xd00
[  276.123146][ T6583]  kobject_init_and_add+0x12b/0x1a0
[  276.123171][ T6583]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.123192][ T6583]  ? __raw_spin_lock_init+0x45/0x100
[  276.123213][ T6583]  ? __init_swait_queue_head+0xa9/0x150
[  276.123235][ T6583]  gfs2_sys_fs_add+0x257/0x480
[  276.123257][ T6583]  ? is_dynamic_key+0x1ac/0x1c0
[  276.123280][ T6583]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.123309][ T6583]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.123339][ T6583]  gfs2_fill_super+0x13a7/0x21d0
[  276.123369][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.123391][ T6583]  ? sb_set_blocksize+0x155/0x240
[  276.123413][ T6583]  ? setup_bdev_super+0x4c1/0x5b0
[  276.123436][ T6583]  get_tree_bdev_flags+0x431/0x4f0
[  276.123459][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.123477][ T6583]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.123507][ T6583]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.123540][ T6583]  gfs2_get_tree+0x51/0x1e0
[  276.123560][ T6583]  vfs_get_tree+0x92/0x2a0
[  276.123584][ T6583]  do_new_mount+0x341/0xd30
[  276.123601][ T6583]  ? apparmor_capable+0x126/0x170
[  276.123624][ T6583]  ? __pfx_do_new_mount+0x10/0x10
[  276.123642][ T6583]  ? ns_capable+0x89/0xe0
[  276.123673][ T6583]  ? user_path_at+0xd4/0x160
[  276.123695][ T6583]  __se_sys_mount+0x31d/0x420
[  276.123719][ T6583]  ? __pfx___se_sys_mount+0x10/0x10
[  276.123744][ T6583]  ? __x64_sys_mount+0x20/0xc0
[  276.123765][ T6583]  do_syscall_64+0x14d/0xf80
[  276.123782][ T6583]  ? trace_irq_disable+0x3b/0x150
[  276.123800][ T6583]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.123818][ T6583]  ? clear_bhb_loop+0x40/0x90
[  276.123839][ T6583]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.123856][ T6583] RIP: 0033:0x7f678059da0a
[  276.123874][ T6583] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.123889][ T6583] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.123909][ T6583] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  276.123923][ T6583] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  276.123935][ T6583] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  276.123946][ T6583] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  276.123957][ T6583] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  276.123985][ T6583]  </TASK>
[  276.124008][ T6583] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.426235][ T6583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.746539][ T6586] loop1: detected capacity change from 0 to 32768
[  276.757858][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.766238][ T6586] CPU: 0 UID: 0 PID: 6586 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  276.766261][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  276.766272][ T6586] Call Trace:
[  276.766279][ T6586]  <TASK>
[  276.766285][ T6586]  dump_stack_lvl+0xe8/0x150
[  276.766314][ T6586]  sysfs_create_dir_ns+0x271/0x2a0
[  276.766337][ T6586]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.766357][ T6586]  ? do_raw_spin_unlock+0xf5/0x210
[  276.766381][ T6586]  kobject_add_internal+0x62b/0xd00
[  276.766411][ T6586]  kobject_init_and_add+0x12b/0x1a0
[  276.766435][ T6586]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.766457][ T6586]  ? __raw_spin_lock_init+0x45/0x100
[  276.766478][ T6586]  ? __init_swait_queue_head+0xa9/0x150
[  276.766501][ T6586]  gfs2_sys_fs_add+0x257/0x480
[  276.766521][ T6586]  ? is_dynamic_key+0x1ac/0x1c0
[  276.766544][ T6586]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.766573][ T6586]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.766605][ T6586]  gfs2_fill_super+0x13a7/0x21d0
[  276.766635][ T6586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.766656][ T6586]  ? sb_set_blocksize+0x155/0x240
[  276.766677][ T6586]  ? setup_bdev_super+0x4c1/0x5b0
[  276.766703][ T6586]  get_tree_bdev_flags+0x431/0x4f0
[  276.766727][ T6586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.766744][ T6586]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.766766][ T6586]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.766805][ T6586]  gfs2_get_tree+0x51/0x1e0
[  276.766823][ T6586]  vfs_get_tree+0x92/0x2a0
[  276.766846][ T6586]  do_new_mount+0x341/0xd30
[  276.766862][ T6586]  ? apparmor_capable+0x126/0x170
[  276.766883][ T6586]  ? __pfx_do_new_mount+0x10/0x10
[  276.766901][ T6586]  ? ns_capable+0x89/0xe0
[  276.766932][ T6586]  ? user_path_at+0xd4/0x160
[  276.766954][ T6586]  __se_sys_mount+0x31d/0x420
[  276.766988][ T6586]  ? __pfx___se_sys_mount+0x10/0x10
[  276.767012][ T6586]  ? __x64_sys_mount+0x20/0xc0
[  276.767034][ T6586]  do_syscall_64+0x14d/0xf80
[  276.767052][ T6586]  ? trace_irq_disable+0x3b/0x150
[  276.767069][ T6586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.767088][ T6586]  ? clear_bhb_loop+0x40/0x90
[  276.767109][ T6586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.767126][ T6586] RIP: 0033:0x7f678059da0a
[  276.767144][ T6586] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.767158][ T6586] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.767176][ T6586] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  276.767199][ T6586] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  276.767210][ T6586] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  276.767221][ T6586] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  276.767232][ T6586] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  276.767259][ T6586]  </TASK>
[  276.767302][ T6586] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.068925][ T6586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.390091][ T6589] loop1: detected capacity change from 0 to 32768
[  277.403208][ T6589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.410974][ T6589] CPU: 0 UID: 0 PID: 6589 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  277.410998][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  277.411009][ T6589] Call Trace:
[  277.411016][ T6589]  <TASK>
[  277.411024][ T6589]  dump_stack_lvl+0xe8/0x150
[  277.411054][ T6589]  sysfs_create_dir_ns+0x271/0x2a0
[  277.411076][ T6589]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.411096][ T6589]  ? do_raw_spin_unlock+0xf5/0x210
[  277.411119][ T6589]  kobject_add_internal+0x62b/0xd00
[  277.411149][ T6589]  kobject_init_and_add+0x12b/0x1a0
[  277.411176][ T6589]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.411198][ T6589]  ? __raw_spin_lock_init+0x45/0x100
[  277.411218][ T6589]  ? __init_swait_queue_head+0xa9/0x150
[  277.411240][ T6589]  gfs2_sys_fs_add+0x257/0x480
[  277.411261][ T6589]  ? is_dynamic_key+0x1ac/0x1c0
[  277.411284][ T6589]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.411318][ T6589]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.411356][ T6589]  gfs2_fill_super+0x13a7/0x21d0
[  277.411387][ T6589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.411412][ T6589]  ? sb_set_blocksize+0x155/0x240
[  277.411433][ T6589]  ? setup_bdev_super+0x4c1/0x5b0
[  277.411455][ T6589]  get_tree_bdev_flags+0x431/0x4f0
[  277.411477][ T6589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.411494][ T6589]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.411515][ T6589]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.411546][ T6589]  gfs2_get_tree+0x51/0x1e0
[  277.411566][ T6589]  vfs_get_tree+0x92/0x2a0
[  277.411590][ T6589]  do_new_mount+0x341/0xd30
[  277.411608][ T6589]  ? apparmor_capable+0x126/0x170
[  277.411640][ T6589]  ? __pfx_do_new_mount+0x10/0x10
[  277.411658][ T6589]  ? ns_capable+0x89/0xe0
[  277.411690][ T6589]  ? user_path_at+0xd4/0x160
[  277.411714][ T6589]  __se_sys_mount+0x31d/0x420
[  277.411739][ T6589]  ? __pfx___se_sys_mount+0x10/0x10
[  277.411763][ T6589]  ? __x64_sys_mount+0x20/0xc0
[  277.411784][ T6589]  do_syscall_64+0x14d/0xf80
[  277.411802][ T6589]  ? trace_irq_disable+0x3b/0x150
[  277.411819][ T6589]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.411835][ T6589]  ? clear_bhb_loop+0x40/0x90
[  277.411855][ T6589]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.411871][ T6589] RIP: 0033:0x7f678059da0a
[  277.411888][ T6589] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  277.411903][ T6589] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.411922][ T6589] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  277.411936][ T6589] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  277.411948][ T6589] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  277.411959][ T6589] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  277.411971][ T6589] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  277.411998][ T6589]  </TASK>
[  277.412032][ T6589] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.714086][ T6589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.054411][ T6593] loop1: detected capacity change from 0 to 32768
[  278.066212][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.074125][ T6593] CPU: 0 UID: 0 PID: 6593 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  278.074149][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  278.074160][ T6593] Call Trace:
[  278.074167][ T6593]  <TASK>
[  278.074175][ T6593]  dump_stack_lvl+0xe8/0x150
[  278.074205][ T6593]  sysfs_create_dir_ns+0x271/0x2a0
[  278.074228][ T6593]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.074248][ T6593]  ? do_raw_spin_unlock+0xf5/0x210
[  278.074270][ T6593]  kobject_add_internal+0x62b/0xd00
[  278.074300][ T6593]  kobject_init_and_add+0x12b/0x1a0
[  278.074326][ T6593]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.074347][ T6593]  ? __raw_spin_lock_init+0x45/0x100
[  278.074366][ T6593]  ? __init_swait_queue_head+0xa9/0x150
[  278.074389][ T6593]  gfs2_sys_fs_add+0x257/0x480
[  278.074410][ T6593]  ? is_dynamic_key+0x1ac/0x1c0
[  278.074457][ T6593]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.074488][ T6593]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.074517][ T6593]  gfs2_fill_super+0x13a7/0x21d0
[  278.074547][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.074568][ T6593]  ? sb_set_blocksize+0x155/0x240
[  278.074588][ T6593]  ? setup_bdev_super+0x4c1/0x5b0
[  278.074612][ T6593]  get_tree_bdev_flags+0x431/0x4f0
[  278.074636][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.074653][ T6593]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.074672][ T6593]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.074703][ T6593]  gfs2_get_tree+0x51/0x1e0
[  278.074731][ T6593]  vfs_get_tree+0x92/0x2a0
[  278.074755][ T6593]  do_new_mount+0x341/0xd30
[  278.074773][ T6593]  ? apparmor_capable+0x126/0x170
[  278.074795][ T6593]  ? __pfx_do_new_mount+0x10/0x10
[  278.074814][ T6593]  ? ns_capable+0x89/0xe0
[  278.074842][ T6593]  ? user_path_at+0xd4/0x160
[  278.074864][ T6593]  __se_sys_mount+0x31d/0x420
[  278.074889][ T6593]  ? __pfx___se_sys_mount+0x10/0x10
[  278.074913][ T6593]  ? __x64_sys_mount+0x20/0xc0
[  278.074933][ T6593]  do_syscall_64+0x14d/0xf80
[  278.074951][ T6593]  ? trace_irq_disable+0x3b/0x150
[  278.074969][ T6593]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.074988][ T6593]  ? clear_bhb_loop+0x40/0x90
[  278.075009][ T6593]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.075027][ T6593] RIP: 0033:0x7f678059da0a
[  278.075045][ T6593] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  278.075060][ T6593] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.075078][ T6593] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  278.075092][ T6593] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  278.075105][ T6593] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  278.075118][ T6593] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  278.075130][ T6593] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  278.075159][ T6593]  </TASK>
[  278.075198][ T6593] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.377799][ T6593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.696606][ T6598] loop1: detected capacity change from 0 to 32768
[  278.719455][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.727377][ T6598] CPU: 1 UID: 0 PID: 6598 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  278.727402][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  278.727414][ T6598] Call Trace:
[  278.727423][ T6598]  <TASK>
[  278.727431][ T6598]  dump_stack_lvl+0xe8/0x150
[  278.727462][ T6598]  sysfs_create_dir_ns+0x271/0x2a0
[  278.727486][ T6598]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.727508][ T6598]  ? do_raw_spin_unlock+0xf5/0x210
[  278.727532][ T6598]  kobject_add_internal+0x62b/0xd00
[  278.727560][ T6598]  kobject_init_and_add+0x12b/0x1a0
[  278.727586][ T6598]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.727608][ T6598]  ? __raw_spin_lock_init+0x45/0x100
[  278.727628][ T6598]  ? __init_swait_queue_head+0xa9/0x150
[  278.727650][ T6598]  gfs2_sys_fs_add+0x257/0x480
[  278.727671][ T6598]  ? is_dynamic_key+0x1ac/0x1c0
[  278.727694][ T6598]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.727724][ T6598]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.727755][ T6598]  gfs2_fill_super+0x13a7/0x21d0
[  278.727797][ T6598]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.727820][ T6598]  ? sb_set_blocksize+0x155/0x240
[  278.727841][ T6598]  ? setup_bdev_super+0x4c1/0x5b0
[  278.727867][ T6598]  get_tree_bdev_flags+0x431/0x4f0
[  278.727889][ T6598]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.727906][ T6598]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.727927][ T6598]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.727961][ T6598]  gfs2_get_tree+0x51/0x1e0
[  278.727982][ T6598]  vfs_get_tree+0x92/0x2a0
[  278.728005][ T6598]  do_new_mount+0x341/0xd30
[  278.728022][ T6598]  ? apparmor_capable+0x126/0x170
[  278.728046][ T6598]  ? __pfx_do_new_mount+0x10/0x10
[  278.728065][ T6598]  ? ns_capable+0x89/0xe0
[  278.728097][ T6598]  ? user_path_at+0xd4/0x160
[  278.728118][ T6598]  __se_sys_mount+0x31d/0x420
[  278.728143][ T6598]  ? __pfx___se_sys_mount+0x10/0x10
[  278.728166][ T6598]  ? __x64_sys_mount+0x20/0xc0
[  278.728186][ T6598]  do_syscall_64+0x14d/0xf80
[  278.728201][ T6598]  ? trace_irq_disable+0x3b/0x150
[  278.728216][ T6598]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.728234][ T6598]  ? clear_bhb_loop+0x40/0x90
[  278.728257][ T6598]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.728272][ T6598] RIP: 0033:0x7f678059da0a
[  278.728289][ T6598] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  278.728303][ T6598] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.728323][ T6598] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  278.728336][ T6598] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  278.728349][ T6598] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  278.728361][ T6598] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  278.728372][ T6598] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  278.728399][ T6598]  </TASK>
[  279.025833][ T6598] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.040558][ T6598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.366455][ T6603] loop1: detected capacity change from 0 to 32768
[  279.377161][ T6603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.385235][ T6603] CPU: 0 UID: 0 PID: 6603 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  279.385258][ T6603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  279.385269][ T6603] Call Trace:
[  279.385277][ T6603]  <TASK>
[  279.385284][ T6603]  dump_stack_lvl+0xe8/0x150
[  279.385312][ T6603]  sysfs_create_dir_ns+0x271/0x2a0
[  279.385334][ T6603]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.385355][ T6603]  ? do_raw_spin_unlock+0xf5/0x210
[  279.385378][ T6603]  kobject_add_internal+0x62b/0xd00
[  279.385406][ T6603]  kobject_init_and_add+0x12b/0x1a0
[  279.385429][ T6603]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.385450][ T6603]  ? __raw_spin_lock_init+0x45/0x100
[  279.385470][ T6603]  ? __init_swait_queue_head+0xa9/0x150
[  279.385493][ T6603]  gfs2_sys_fs_add+0x257/0x480
[  279.385513][ T6603]  ? is_dynamic_key+0x1ac/0x1c0
[  279.385536][ T6603]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.385565][ T6603]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.385594][ T6603]  gfs2_fill_super+0x13a7/0x21d0
[  279.385620][ T6603]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.385637][ T6603]  ? sb_set_blocksize+0x155/0x240
[  279.385653][ T6603]  ? setup_bdev_super+0x4c1/0x5b0
[  279.385673][ T6603]  get_tree_bdev_flags+0x431/0x4f0
[  279.385691][ T6603]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.385705][ T6603]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.385720][ T6603]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.385745][ T6603]  gfs2_get_tree+0x51/0x1e0
[  279.385760][ T6603]  vfs_get_tree+0x92/0x2a0
[  279.385779][ T6603]  do_new_mount+0x341/0xd30
[  279.385792][ T6603]  ? apparmor_capable+0x126/0x170
[  279.385810][ T6603]  ? __pfx_do_new_mount+0x10/0x10
[  279.385824][ T6603]  ? ns_capable+0x89/0xe0
[  279.385849][ T6603]  ? user_path_at+0xd4/0x160
[  279.385866][ T6603]  __se_sys_mount+0x31d/0x420
[  279.385885][ T6603]  ? __pfx___se_sys_mount+0x10/0x10
[  279.385904][ T6603]  ? __x64_sys_mount+0x20/0xc0
[  279.385920][ T6603]  do_syscall_64+0x14d/0xf80
[  279.385933][ T6603]  ? trace_irq_disable+0x3b/0x150
[  279.385947][ T6603]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.385961][ T6603]  ? clear_bhb_loop+0x40/0x90
[  279.385978][ T6603]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.385991][ T6603] RIP: 0033:0x7f678059da0a
[  279.386005][ T6603] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  279.386016][ T6603] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.386032][ T6603] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  279.386043][ T6603] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  279.386052][ T6603] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  279.386061][ T6603] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  279.386071][ T6603] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  279.386092][ T6603]  </TASK>
[  279.386124][ T6603] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.691993][ T6603] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/04 06:03:50 executed programs: 187
[  280.001585][ T6607] loop1: detected capacity change from 0 to 32768
[  280.013714][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.021228][ T6607] CPU: 1 UID: 0 PID: 6607 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  280.021251][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  280.021262][ T6607] Call Trace:
[  280.021271][ T6607]  <TASK>
[  280.021278][ T6607]  dump_stack_lvl+0xe8/0x150
[  280.021307][ T6607]  sysfs_create_dir_ns+0x271/0x2a0
[  280.021331][ T6607]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.021353][ T6607]  ? do_raw_spin_unlock+0xf5/0x210
[  280.021377][ T6607]  kobject_add_internal+0x62b/0xd00
[  280.021405][ T6607]  kobject_init_and_add+0x12b/0x1a0
[  280.021432][ T6607]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.021455][ T6607]  ? __raw_spin_lock_init+0x45/0x100
[  280.021477][ T6607]  ? __init_swait_queue_head+0xa9/0x150
[  280.021499][ T6607]  gfs2_sys_fs_add+0x257/0x480
[  280.021521][ T6607]  ? is_dynamic_key+0x1ac/0x1c0
[  280.021543][ T6607]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.021572][ T6607]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.021603][ T6607]  gfs2_fill_super+0x13a7/0x21d0
[  280.021634][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.021656][ T6607]  ? sb_set_blocksize+0x155/0x240
[  280.021676][ T6607]  ? setup_bdev_super+0x4c1/0x5b0
[  280.021700][ T6607]  get_tree_bdev_flags+0x431/0x4f0
[  280.021724][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.021752][ T6607]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.021773][ T6607]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.021804][ T6607]  gfs2_get_tree+0x51/0x1e0
[  280.021824][ T6607]  vfs_get_tree+0x92/0x2a0
[  280.021849][ T6607]  do_new_mount+0x341/0xd30
[  280.021866][ T6607]  ? apparmor_capable+0x126/0x170
[  280.021889][ T6607]  ? __pfx_do_new_mount+0x10/0x10
[  280.021908][ T6607]  ? ns_capable+0x89/0xe0
[  280.021939][ T6607]  ? user_path_at+0xd4/0x160
[  280.021961][ T6607]  __se_sys_mount+0x31d/0x420
[  280.021986][ T6607]  ? __pfx___se_sys_mount+0x10/0x10
[  280.022011][ T6607]  ? __x64_sys_mount+0x20/0xc0
[  280.022033][ T6607]  do_syscall_64+0x14d/0xf80
[  280.022051][ T6607]  ? trace_irq_disable+0x3b/0x150
[  280.022069][ T6607]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.022087][ T6607]  ? clear_bhb_loop+0x40/0x90
[  280.022107][ T6607]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.022124][ T6607] RIP: 0033:0x7f678059da0a
[  280.022142][ T6607] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.022154][ T6607] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.022173][ T6607] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  280.022186][ T6607] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  280.022198][ T6607] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  280.022210][ T6607] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  280.022221][ T6607] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  280.022244][ T6607]  </TASK>
[  280.022266][ T6607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.322444][ T6607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.629550][ T6610] loop1: detected capacity change from 0 to 32768
[  280.640723][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.655653][ T6610] CPU: 1 UID: 0 PID: 6610 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  280.655686][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  280.655697][ T6610] Call Trace:
[  280.655705][ T6610]  <TASK>
[  280.655714][ T6610]  dump_stack_lvl+0xe8/0x150
[  280.655744][ T6610]  sysfs_create_dir_ns+0x271/0x2a0
[  280.655767][ T6610]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.655788][ T6610]  ? do_raw_spin_unlock+0xf5/0x210
[  280.655812][ T6610]  kobject_add_internal+0x62b/0xd00
[  280.655842][ T6610]  kobject_init_and_add+0x12b/0x1a0
[  280.655869][ T6610]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.655891][ T6610]  ? __raw_spin_lock_init+0x45/0x100
[  280.655912][ T6610]  ? __init_swait_queue_head+0xa9/0x150
[  280.655934][ T6610]  gfs2_sys_fs_add+0x257/0x480
[  280.655956][ T6610]  ? is_dynamic_key+0x1ac/0x1c0
[  280.655979][ T6610]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.656010][ T6610]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.656039][ T6610]  gfs2_fill_super+0x13a7/0x21d0
[  280.656072][ T6610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.656095][ T6610]  ? sb_set_blocksize+0x155/0x240
[  280.656116][ T6610]  ? setup_bdev_super+0x4c1/0x5b0
[  280.656142][ T6610]  get_tree_bdev_flags+0x431/0x4f0
[  280.656166][ T6610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.656184][ T6610]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.656204][ T6610]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.656235][ T6610]  gfs2_get_tree+0x51/0x1e0
[  280.656256][ T6610]  vfs_get_tree+0x92/0x2a0
[  280.656281][ T6610]  do_new_mount+0x341/0xd30
[  280.656299][ T6610]  ? apparmor_capable+0x126/0x170
[  280.656322][ T6610]  ? __pfx_do_new_mount+0x10/0x10
[  280.656340][ T6610]  ? ns_capable+0x89/0xe0
[  280.656372][ T6610]  ? user_path_at+0xd4/0x160
[  280.656394][ T6610]  __se_sys_mount+0x31d/0x420
[  280.656419][ T6610]  ? __pfx___se_sys_mount+0x10/0x10
[  280.656444][ T6610]  ? __x64_sys_mount+0x20/0xc0
[  280.656465][ T6610]  do_syscall_64+0x14d/0xf80
[  280.656482][ T6610]  ? trace_irq_disable+0x3b/0x150
[  280.656500][ T6610]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.656519][ T6610]  ? clear_bhb_loop+0x40/0x90
[  280.656540][ T6610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.656557][ T6610] RIP: 0033:0x7f678059da0a
[  280.656574][ T6610] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.656589][ T6610] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.656609][ T6610] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  280.656622][ T6610] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  280.656635][ T6610] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  280.656646][ T6610] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  280.656657][ T6610] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  280.656699][ T6610]  </TASK>
[  280.656724][ T6610] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.956948][ T6610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.252158][ T6613] loop1: detected capacity change from 0 to 32768
[  281.271938][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.279437][ T6613] CPU: 0 UID: 0 PID: 6613 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  281.279461][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  281.279472][ T6613] Call Trace:
[  281.279479][ T6613]  <TASK>
[  281.279486][ T6613]  dump_stack_lvl+0xe8/0x150
[  281.279511][ T6613]  sysfs_create_dir_ns+0x271/0x2a0
[  281.279535][ T6613]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.279556][ T6613]  ? do_raw_spin_unlock+0xf5/0x210
[  281.279579][ T6613]  kobject_add_internal+0x62b/0xd00
[  281.279608][ T6613]  kobject_init_and_add+0x12b/0x1a0
[  281.279634][ T6613]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.279657][ T6613]  ? __raw_spin_lock_init+0x45/0x100
[  281.279684][ T6613]  ? __init_swait_queue_head+0xa9/0x150
[  281.279706][ T6613]  gfs2_sys_fs_add+0x257/0x480
[  281.279728][ T6613]  ? is_dynamic_key+0x1ac/0x1c0
[  281.279751][ T6613]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.279782][ T6613]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.279815][ T6613]  gfs2_fill_super+0x13a7/0x21d0
[  281.279848][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.279870][ T6613]  ? sb_set_blocksize+0x155/0x240
[  281.279891][ T6613]  ? setup_bdev_super+0x4c1/0x5b0
[  281.279916][ T6613]  get_tree_bdev_flags+0x431/0x4f0
[  281.279938][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.279956][ T6613]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.279987][ T6613]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.280019][ T6613]  gfs2_get_tree+0x51/0x1e0
[  281.280041][ T6613]  vfs_get_tree+0x92/0x2a0
[  281.280065][ T6613]  do_new_mount+0x341/0xd30
[  281.280083][ T6613]  ? apparmor_capable+0x126/0x170
[  281.280105][ T6613]  ? __pfx_do_new_mount+0x10/0x10
[  281.280124][ T6613]  ? ns_capable+0x89/0xe0
[  281.280155][ T6613]  ? user_path_at+0xd4/0x160
[  281.280179][ T6613]  __se_sys_mount+0x31d/0x420
[  281.280203][ T6613]  ? __pfx___se_sys_mount+0x10/0x10
[  281.280226][ T6613]  ? __x64_sys_mount+0x20/0xc0
[  281.280247][ T6613]  do_syscall_64+0x14d/0xf80
[  281.280264][ T6613]  ? trace_irq_disable+0x3b/0x150
[  281.280282][ T6613]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.280300][ T6613]  ? clear_bhb_loop+0x40/0x90
[  281.280321][ T6613]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.280340][ T6613] RIP: 0033:0x7f678059da0a
[  281.280358][ T6613] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  281.280373][ T6613] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.280393][ T6613] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  281.280407][ T6613] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  281.280419][ T6613] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  281.280430][ T6613] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  281.280442][ T6613] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  281.280470][ T6613]  </TASK>
[  281.280499][ T6613] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.581860][ T6613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.900441][ T6616] loop1: detected capacity change from 0 to 32768
[  281.912892][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.920397][ T6616] CPU: 1 UID: 0 PID: 6616 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  281.920421][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  281.920432][ T6616] Call Trace:
[  281.920440][ T6616]  <TASK>
[  281.920447][ T6616]  dump_stack_lvl+0xe8/0x150
[  281.920476][ T6616]  sysfs_create_dir_ns+0x271/0x2a0
[  281.920498][ T6616]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.920519][ T6616]  ? do_raw_spin_unlock+0xf5/0x210
[  281.920542][ T6616]  kobject_add_internal+0x62b/0xd00
[  281.920567][ T6616]  kobject_init_and_add+0x12b/0x1a0
[  281.920588][ T6616]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.920608][ T6616]  ? __raw_spin_lock_init+0x45/0x100
[  281.920628][ T6616]  ? __init_swait_queue_head+0xa9/0x150
[  281.920650][ T6616]  gfs2_sys_fs_add+0x257/0x480
[  281.920671][ T6616]  ? is_dynamic_key+0x1ac/0x1c0
[  281.920693][ T6616]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.920722][ T6616]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.920753][ T6616]  gfs2_fill_super+0x13a7/0x21d0
[  281.920785][ T6616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.920807][ T6616]  ? sb_set_blocksize+0x155/0x240
[  281.920827][ T6616]  ? setup_bdev_super+0x4c1/0x5b0
[  281.920852][ T6616]  get_tree_bdev_flags+0x431/0x4f0
[  281.920874][ T6616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.920891][ T6616]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.920912][ T6616]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.920943][ T6616]  gfs2_get_tree+0x51/0x1e0
[  281.920962][ T6616]  vfs_get_tree+0x92/0x2a0
[  281.920986][ T6616]  do_new_mount+0x341/0xd30
[  281.921004][ T6616]  ? apparmor_capable+0x126/0x170
[  281.921027][ T6616]  ? __pfx_do_new_mount+0x10/0x10
[  281.921047][ T6616]  ? ns_capable+0x89/0xe0
[  281.921087][ T6616]  ? user_path_at+0xd4/0x160
[  281.921110][ T6616]  __se_sys_mount+0x31d/0x420
[  281.921134][ T6616]  ? __pfx___se_sys_mount+0x10/0x10
[  281.921158][ T6616]  ? __x64_sys_mount+0x20/0xc0
[  281.921179][ T6616]  do_syscall_64+0x14d/0xf80
[  281.921196][ T6616]  ? trace_irq_disable+0x3b/0x150
[  281.921214][ T6616]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.921231][ T6616]  ? clear_bhb_loop+0x40/0x90
[  281.921251][ T6616]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.921268][ T6616] RIP: 0033:0x7f678059da0a
[  281.921285][ T6616] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  281.921301][ T6616] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.921320][ T6616] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  281.921334][ T6616] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  281.921346][ T6616] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  281.921358][ T6616] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  281.921370][ T6616] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  281.921398][ T6616]  </TASK>
[  281.921422][ T6616] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.221465][ T6616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.528951][ T6619] loop1: detected capacity change from 0 to 32768
[  282.541186][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.548730][ T6619] CPU: 0 UID: 0 PID: 6619 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  282.548754][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  282.548765][ T6619] Call Trace:
[  282.548773][ T6619]  <TASK>
[  282.548780][ T6619]  dump_stack_lvl+0xe8/0x150
[  282.548810][ T6619]  sysfs_create_dir_ns+0x271/0x2a0
[  282.548833][ T6619]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.548856][ T6619]  ? do_raw_spin_unlock+0xf5/0x210
[  282.548879][ T6619]  kobject_add_internal+0x62b/0xd00
[  282.548908][ T6619]  kobject_init_and_add+0x12b/0x1a0
[  282.548943][ T6619]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.548966][ T6619]  ? __raw_spin_lock_init+0x45/0x100
[  282.548986][ T6619]  ? __init_swait_queue_head+0xa9/0x150
[  282.549009][ T6619]  gfs2_sys_fs_add+0x257/0x480
[  282.549032][ T6619]  ? is_dynamic_key+0x1ac/0x1c0
[  282.549055][ T6619]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.549082][ T6619]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.549114][ T6619]  gfs2_fill_super+0x13a7/0x21d0
[  282.549148][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.549171][ T6619]  ? sb_set_blocksize+0x155/0x240
[  282.549192][ T6619]  ? setup_bdev_super+0x4c1/0x5b0
[  282.549219][ T6619]  get_tree_bdev_flags+0x431/0x4f0
[  282.549241][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.549259][ T6619]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.549279][ T6619]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.549310][ T6619]  gfs2_get_tree+0x51/0x1e0
[  282.549331][ T6619]  vfs_get_tree+0x92/0x2a0
[  282.549354][ T6619]  do_new_mount+0x341/0xd30
[  282.549373][ T6619]  ? apparmor_capable+0x126/0x170
[  282.549396][ T6619]  ? __pfx_do_new_mount+0x10/0x10
[  282.549414][ T6619]  ? ns_capable+0x89/0xe0
[  282.549446][ T6619]  ? user_path_at+0xd4/0x160
[  282.549469][ T6619]  __se_sys_mount+0x31d/0x420
[  282.549494][ T6619]  ? __pfx___se_sys_mount+0x10/0x10
[  282.549518][ T6619]  ? __x64_sys_mount+0x20/0xc0
[  282.549539][ T6619]  do_syscall_64+0x14d/0xf80
[  282.549557][ T6619]  ? trace_irq_disable+0x3b/0x150
[  282.549575][ T6619]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.549593][ T6619]  ? clear_bhb_loop+0x40/0x90
[  282.549614][ T6619]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.549628][ T6619] RIP: 0033:0x7f678059da0a
[  282.549646][ T6619] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  282.549661][ T6619] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.549681][ T6619] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  282.549694][ T6619] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  282.549706][ T6619] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  282.549717][ T6619] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  282.549729][ T6619] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  282.549758][ T6619]  </TASK>
[  282.549839][ T6619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.856051][ T6619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.159160][ T6622] loop1: detected capacity change from 0 to 32768
[  283.171376][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.186736][ T6622] CPU: 0 UID: 0 PID: 6622 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  283.186761][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  283.186772][ T6622] Call Trace:
[  283.186780][ T6622]  <TASK>
[  283.186787][ T6622]  dump_stack_lvl+0xe8/0x150
[  283.186816][ T6622]  sysfs_create_dir_ns+0x271/0x2a0
[  283.186838][ T6622]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.186867][ T6622]  ? do_raw_spin_unlock+0xf5/0x210
[  283.186891][ T6622]  kobject_add_internal+0x62b/0xd00
[  283.186921][ T6622]  kobject_init_and_add+0x12b/0x1a0
[  283.186947][ T6622]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.186969][ T6622]  ? __raw_spin_lock_init+0x45/0x100
[  283.186989][ T6622]  ? __init_swait_queue_head+0xa9/0x150
[  283.187012][ T6622]  gfs2_sys_fs_add+0x257/0x480
[  283.187034][ T6622]  ? is_dynamic_key+0x1ac/0x1c0
[  283.187057][ T6622]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.187088][ T6622]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.187118][ T6622]  gfs2_fill_super+0x13a7/0x21d0
[  283.187149][ T6622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.187172][ T6622]  ? sb_set_blocksize+0x155/0x240
[  283.187193][ T6622]  ? setup_bdev_super+0x4c1/0x5b0
[  283.187220][ T6622]  get_tree_bdev_flags+0x431/0x4f0
[  283.187244][ T6622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.187262][ T6622]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.187284][ T6622]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.187315][ T6622]  gfs2_get_tree+0x51/0x1e0
[  283.187335][ T6622]  vfs_get_tree+0x92/0x2a0
[  283.187359][ T6622]  do_new_mount+0x341/0xd30
[  283.187376][ T6622]  ? apparmor_capable+0x126/0x170
[  283.187399][ T6622]  ? __pfx_do_new_mount+0x10/0x10
[  283.187417][ T6622]  ? ns_capable+0x89/0xe0
[  283.187448][ T6622]  ? user_path_at+0xd4/0x160
[  283.187471][ T6622]  __se_sys_mount+0x31d/0x420
[  283.187496][ T6622]  ? __pfx___se_sys_mount+0x10/0x10
[  283.187520][ T6622]  ? __x64_sys_mount+0x20/0xc0
[  283.187541][ T6622]  do_syscall_64+0x14d/0xf80
[  283.187559][ T6622]  ? trace_irq_disable+0x3b/0x150
[  283.187578][ T6622]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.187596][ T6622]  ? clear_bhb_loop+0x40/0x90
[  283.187616][ T6622]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.187633][ T6622] RIP: 0033:0x7f678059da0a
[  283.187650][ T6622] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  283.187666][ T6622] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.187686][ T6622] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  283.187699][ T6622] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  283.187710][ T6622] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  283.187722][ T6622] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  283.187733][ T6622] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  283.187761][ T6622]  </TASK>
[  283.187797][ T6622] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.489312][ T6622] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.805123][ T6625] loop1: detected capacity change from 0 to 32768
[  283.816555][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.824511][ T6625] CPU: 0 UID: 0 PID: 6625 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  283.824534][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  283.824546][ T6625] Call Trace:
[  283.824554][ T6625]  <TASK>
[  283.824561][ T6625]  dump_stack_lvl+0xe8/0x150
[  283.824590][ T6625]  sysfs_create_dir_ns+0x271/0x2a0
[  283.824612][ T6625]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.824634][ T6625]  ? do_raw_spin_unlock+0xf5/0x210
[  283.824657][ T6625]  kobject_add_internal+0x62b/0xd00
[  283.824687][ T6625]  kobject_init_and_add+0x12b/0x1a0
[  283.824711][ T6625]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.824733][ T6625]  ? __raw_spin_lock_init+0x45/0x100
[  283.824765][ T6625]  ? __init_swait_queue_head+0xa9/0x150
[  283.824790][ T6625]  gfs2_sys_fs_add+0x257/0x480
[  283.824812][ T6625]  ? is_dynamic_key+0x1ac/0x1c0
[  283.824834][ T6625]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.824862][ T6625]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.824891][ T6625]  gfs2_fill_super+0x13a7/0x21d0
[  283.824921][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.824943][ T6625]  ? sb_set_blocksize+0x155/0x240
[  283.824964][ T6625]  ? setup_bdev_super+0x4c1/0x5b0
[  283.824988][ T6625]  get_tree_bdev_flags+0x431/0x4f0
[  283.825011][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.825027][ T6625]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.825047][ T6625]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.825079][ T6625]  gfs2_get_tree+0x51/0x1e0
[  283.825101][ T6625]  vfs_get_tree+0x92/0x2a0
[  283.825125][ T6625]  do_new_mount+0x341/0xd30
[  283.825142][ T6625]  ? apparmor_capable+0x126/0x170
[  283.825165][ T6625]  ? __pfx_do_new_mount+0x10/0x10
[  283.825184][ T6625]  ? ns_capable+0x89/0xe0
[  283.825216][ T6625]  ? user_path_at+0xd4/0x160
[  283.825240][ T6625]  __se_sys_mount+0x31d/0x420
[  283.825263][ T6625]  ? __pfx___se_sys_mount+0x10/0x10
[  283.825287][ T6625]  ? __x64_sys_mount+0x20/0xc0
[  283.825307][ T6625]  do_syscall_64+0x14d/0xf80
[  283.825325][ T6625]  ? trace_irq_disable+0x3b/0x150
[  283.825342][ T6625]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.825361][ T6625]  ? clear_bhb_loop+0x40/0x90
[  283.825383][ T6625]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.825401][ T6625] RIP: 0033:0x7f678059da0a
[  283.825417][ T6625] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  283.825433][ T6625] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.825452][ T6625] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  283.825468][ T6625] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  283.825480][ T6625] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  283.825492][ T6625] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  283.825504][ T6625] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  283.825531][ T6625]  </TASK>
[  283.825566][ T6625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.126887][ T6625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.429255][ T6628] loop1: detected capacity change from 0 to 32768
[  284.440791][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.448241][ T6628] CPU: 1 UID: 0 PID: 6628 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  284.448264][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  284.448275][ T6628] Call Trace:
[  284.448283][ T6628]  <TASK>
[  284.448289][ T6628]  dump_stack_lvl+0xe8/0x150
[  284.448319][ T6628]  sysfs_create_dir_ns+0x271/0x2a0
[  284.448344][ T6628]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.448367][ T6628]  ? do_raw_spin_unlock+0xf5/0x210
[  284.448390][ T6628]  kobject_add_internal+0x62b/0xd00
[  284.448419][ T6628]  kobject_init_and_add+0x12b/0x1a0
[  284.448444][ T6628]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.448466][ T6628]  ? __raw_spin_lock_init+0x45/0x100
[  284.448485][ T6628]  ? __init_swait_queue_head+0xa9/0x150
[  284.448507][ T6628]  gfs2_sys_fs_add+0x257/0x480
[  284.448528][ T6628]  ? is_dynamic_key+0x1ac/0x1c0
[  284.448551][ T6628]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.448579][ T6628]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.448610][ T6628]  gfs2_fill_super+0x13a7/0x21d0
[  284.448642][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.448664][ T6628]  ? sb_set_blocksize+0x155/0x240
[  284.448685][ T6628]  ? setup_bdev_super+0x4c1/0x5b0
[  284.448710][ T6628]  get_tree_bdev_flags+0x431/0x4f0
[  284.448733][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.448750][ T6628]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.448770][ T6628]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.448801][ T6628]  gfs2_get_tree+0x51/0x1e0
[  284.448823][ T6628]  vfs_get_tree+0x92/0x2a0
[  284.448845][ T6628]  do_new_mount+0x341/0xd30
[  284.448863][ T6628]  ? apparmor_capable+0x126/0x170
[  284.448886][ T6628]  ? __pfx_do_new_mount+0x10/0x10
[  284.448905][ T6628]  ? ns_capable+0x89/0xe0
[  284.448938][ T6628]  ? user_path_at+0xd4/0x160
[  284.448961][ T6628]  __se_sys_mount+0x31d/0x420
[  284.448986][ T6628]  ? __pfx___se_sys_mount+0x10/0x10
[  284.449009][ T6628]  ? __x64_sys_mount+0x20/0xc0
[  284.449029][ T6628]  do_syscall_64+0x14d/0xf80
[  284.449047][ T6628]  ? trace_irq_disable+0x3b/0x150
[  284.449065][ T6628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.449082][ T6628]  ? clear_bhb_loop+0x40/0x90
[  284.449103][ T6628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.449120][ T6628] RIP: 0033:0x7f678059da0a
[  284.449137][ T6628] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.449152][ T6628] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.449171][ T6628] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  284.449185][ T6628] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  284.449207][ T6628] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  284.449219][ T6628] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  284.449230][ T6628] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  284.449258][ T6628]  </TASK>
[  284.736361][ T6628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.751040][ T6628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.923060][   T51] Bluetooth: hci1: command 0x0406 tx timeout
[  285.063351][ T6631] loop1: detected capacity change from 0 to 32768
[  285.085632][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.093190][ T6631] CPU: 1 UID: 0 PID: 6631 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  285.093216][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  285.093228][ T6631] Call Trace:
[  285.093237][ T6631]  <TASK>
[  285.093245][ T6631]  dump_stack_lvl+0xe8/0x150
[  285.093275][ T6631]  sysfs_create_dir_ns+0x271/0x2a0
[  285.093299][ T6631]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.093320][ T6631]  ? do_raw_spin_unlock+0xf5/0x210
[  285.093342][ T6631]  kobject_add_internal+0x62b/0xd00
[  285.093369][ T6631]  kobject_init_and_add+0x12b/0x1a0
[  285.093394][ T6631]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.093415][ T6631]  ? __raw_spin_lock_init+0x45/0x100
[  285.093434][ T6631]  ? __init_swait_queue_head+0xa9/0x150
[  285.093456][ T6631]  gfs2_sys_fs_add+0x257/0x480
[  285.093477][ T6631]  ? is_dynamic_key+0x1ac/0x1c0
[  285.093500][ T6631]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.093529][ T6631]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.093571][ T6631]  gfs2_fill_super+0x13a7/0x21d0
[  285.093603][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.093626][ T6631]  ? sb_set_blocksize+0x155/0x240
[  285.093646][ T6631]  ? setup_bdev_super+0x4c1/0x5b0
[  285.093671][ T6631]  get_tree_bdev_flags+0x431/0x4f0
[  285.093694][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.093712][ T6631]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.093733][ T6631]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.093762][ T6631]  gfs2_get_tree+0x51/0x1e0
[  285.093796][ T6631]  vfs_get_tree+0x92/0x2a0
[  285.093820][ T6631]  do_new_mount+0x341/0xd30
[  285.093839][ T6631]  ? apparmor_capable+0x126/0x170
[  285.093861][ T6631]  ? __pfx_do_new_mount+0x10/0x10
[  285.093882][ T6631]  ? ns_capable+0x89/0xe0
[  285.093913][ T6631]  ? user_path_at+0xd4/0x160
[  285.093937][ T6631]  __se_sys_mount+0x31d/0x420
[  285.093961][ T6631]  ? __pfx___se_sys_mount+0x10/0x10
[  285.093986][ T6631]  ? __x64_sys_mount+0x20/0xc0
[  285.094007][ T6631]  do_syscall_64+0x14d/0xf80
[  285.094024][ T6631]  ? trace_irq_disable+0x3b/0x150
[  285.094042][ T6631]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.094060][ T6631]  ? clear_bhb_loop+0x40/0x90
[  285.094078][ T6631]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.094093][ T6631] RIP: 0033:0x7f678059da0a
[  285.094110][ T6631] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  285.094125][ T6631] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.094145][ T6631] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  285.094158][ T6631] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  285.094170][ T6631] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  285.094181][ T6631] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  285.094193][ T6631] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  285.094222][ T6631]  </TASK>
[  285.094248][ T6631] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.394431][ T6631] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/04 06:03:56 executed programs: 196
[  285.698825][ T6634] loop1: detected capacity change from 0 to 32768
[  285.709636][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.717118][ T6634] CPU: 0 UID: 0 PID: 6634 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  285.717140][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  285.717150][ T6634] Call Trace:
[  285.717158][ T6634]  <TASK>
[  285.717165][ T6634]  dump_stack_lvl+0xe8/0x150
[  285.717194][ T6634]  sysfs_create_dir_ns+0x271/0x2a0
[  285.717216][ T6634]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.717237][ T6634]  ? do_raw_spin_unlock+0xf5/0x210
[  285.717259][ T6634]  kobject_add_internal+0x62b/0xd00
[  285.717289][ T6634]  kobject_init_and_add+0x12b/0x1a0
[  285.717315][ T6634]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.717335][ T6634]  ? __raw_spin_lock_init+0x45/0x100
[  285.717354][ T6634]  ? __init_swait_queue_head+0xa9/0x150
[  285.717378][ T6634]  gfs2_sys_fs_add+0x257/0x480
[  285.717399][ T6634]  ? is_dynamic_key+0x1ac/0x1c0
[  285.717422][ T6634]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.717450][ T6634]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.717481][ T6634]  gfs2_fill_super+0x13a7/0x21d0
[  285.717514][ T6634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.717537][ T6634]  ? sb_set_blocksize+0x155/0x240
[  285.717557][ T6634]  ? setup_bdev_super+0x4c1/0x5b0
[  285.717584][ T6634]  get_tree_bdev_flags+0x431/0x4f0
[  285.717606][ T6634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.717623][ T6634]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.717651][ T6634]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.717683][ T6634]  gfs2_get_tree+0x51/0x1e0
[  285.717704][ T6634]  vfs_get_tree+0x92/0x2a0
[  285.717728][ T6634]  do_new_mount+0x341/0xd30
[  285.717747][ T6634]  ? apparmor_capable+0x126/0x170
[  285.717771][ T6634]  ? __pfx_do_new_mount+0x10/0x10
[  285.717790][ T6634]  ? ns_capable+0x89/0xe0
[  285.717823][ T6634]  ? user_path_at+0xd4/0x160
[  285.717847][ T6634]  __se_sys_mount+0x31d/0x420
[  285.717872][ T6634]  ? __pfx___se_sys_mount+0x10/0x10
[  285.717897][ T6634]  ? __x64_sys_mount+0x20/0xc0
[  285.717916][ T6634]  do_syscall_64+0x14d/0xf80
[  285.717935][ T6634]  ? trace_irq_disable+0x3b/0x150
[  285.717953][ T6634]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.717971][ T6634]  ? clear_bhb_loop+0x40/0x90
[  285.717992][ T6634]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.718009][ T6634] RIP: 0033:0x7f678059da0a
[  285.718027][ T6634] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  285.718042][ T6634] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.718062][ T6634] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  285.718075][ T6634] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  285.718088][ T6634] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  285.718101][ T6634] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  285.718113][ T6634] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  285.718139][ T6634]  </TASK>
[  285.718162][ T6634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.020515][ T6634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.333603][ T6637] loop1: detected capacity change from 0 to 32768
[  286.345317][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.352942][ T6637] CPU: 0 UID: 0 PID: 6637 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  286.352966][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  286.352975][ T6637] Call Trace:
[  286.352981][ T6637]  <TASK>
[  286.352988][ T6637]  dump_stack_lvl+0xe8/0x150
[  286.353017][ T6637]  sysfs_create_dir_ns+0x271/0x2a0
[  286.353038][ T6637]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.353058][ T6637]  ? do_raw_spin_unlock+0xf5/0x210
[  286.353081][ T6637]  kobject_add_internal+0x62b/0xd00
[  286.353107][ T6637]  kobject_init_and_add+0x12b/0x1a0
[  286.353132][ T6637]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.353154][ T6637]  ? __raw_spin_lock_init+0x45/0x100
[  286.353175][ T6637]  ? __init_swait_queue_head+0xa9/0x150
[  286.353199][ T6637]  gfs2_sys_fs_add+0x257/0x480
[  286.353221][ T6637]  ? is_dynamic_key+0x1ac/0x1c0
[  286.353244][ T6637]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.353273][ T6637]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.353302][ T6637]  gfs2_fill_super+0x13a7/0x21d0
[  286.353334][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.353356][ T6637]  ? sb_set_blocksize+0x155/0x240
[  286.353375][ T6637]  ? setup_bdev_super+0x4c1/0x5b0
[  286.353401][ T6637]  get_tree_bdev_flags+0x431/0x4f0
[  286.353423][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.353440][ T6637]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.353459][ T6637]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.353491][ T6637]  gfs2_get_tree+0x51/0x1e0
[  286.353514][ T6637]  vfs_get_tree+0x92/0x2a0
[  286.353540][ T6637]  do_new_mount+0x341/0xd30
[  286.353559][ T6637]  ? apparmor_capable+0x126/0x170
[  286.353582][ T6637]  ? __pfx_do_new_mount+0x10/0x10
[  286.353611][ T6637]  ? ns_capable+0x89/0xe0
[  286.353643][ T6637]  ? user_path_at+0xd4/0x160
[  286.353687][ T6637]  __se_sys_mount+0x31d/0x420
[  286.353712][ T6637]  ? __pfx___se_sys_mount+0x10/0x10
[  286.353736][ T6637]  ? __x64_sys_mount+0x20/0xc0
[  286.353755][ T6637]  do_syscall_64+0x14d/0xf80
[  286.353773][ T6637]  ? trace_irq_disable+0x3b/0x150
[  286.353790][ T6637]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.353807][ T6637]  ? clear_bhb_loop+0x40/0x90
[  286.353829][ T6637]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.353845][ T6637] RIP: 0033:0x7f678059da0a
[  286.353863][ T6637] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  286.353877][ T6637] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.353897][ T6637] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  286.353909][ T6637] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  286.353921][ T6637] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  286.353931][ T6637] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  286.353943][ T6637] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  286.353970][ T6637]  </TASK>
[  286.353995][ T6637] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.655702][ T6637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.967079][ T6640] loop1: detected capacity change from 0 to 32768
[  286.980272][ T6640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.987747][ T6640] CPU: 1 UID: 0 PID: 6640 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  286.987772][ T6640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  286.987784][ T6640] Call Trace:
[  286.987792][ T6640]  <TASK>
[  286.987800][ T6640]  dump_stack_lvl+0xe8/0x150
[  286.987829][ T6640]  sysfs_create_dir_ns+0x271/0x2a0
[  286.987853][ T6640]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.987874][ T6640]  ? do_raw_spin_unlock+0xf5/0x210
[  286.987897][ T6640]  kobject_add_internal+0x62b/0xd00
[  286.987933][ T6640]  kobject_init_and_add+0x12b/0x1a0
[  286.987957][ T6640]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.987980][ T6640]  ? __raw_spin_lock_init+0x45/0x100
[  286.988000][ T6640]  ? __init_swait_queue_head+0xa9/0x150
[  286.988022][ T6640]  gfs2_sys_fs_add+0x257/0x480
[  286.988043][ T6640]  ? is_dynamic_key+0x1ac/0x1c0
[  286.988065][ T6640]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.988094][ T6640]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.988125][ T6640]  gfs2_fill_super+0x13a7/0x21d0
[  286.988157][ T6640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.988179][ T6640]  ? sb_set_blocksize+0x155/0x240
[  286.988199][ T6640]  ? setup_bdev_super+0x4c1/0x5b0
[  286.988224][ T6640]  get_tree_bdev_flags+0x431/0x4f0
[  286.988249][ T6640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.988266][ T6640]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.988286][ T6640]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.988317][ T6640]  gfs2_get_tree+0x51/0x1e0
[  286.988337][ T6640]  vfs_get_tree+0x92/0x2a0
[  286.988362][ T6640]  do_new_mount+0x341/0xd30
[  286.988380][ T6640]  ? apparmor_capable+0x126/0x170
[  286.988403][ T6640]  ? __pfx_do_new_mount+0x10/0x10
[  286.988423][ T6640]  ? ns_capable+0x89/0xe0
[  286.988454][ T6640]  ? user_path_at+0xd4/0x160
[  286.988477][ T6640]  __se_sys_mount+0x31d/0x420
[  286.988500][ T6640]  ? __pfx___se_sys_mount+0x10/0x10
[  286.988525][ T6640]  ? __x64_sys_mount+0x20/0xc0
[  286.988545][ T6640]  do_syscall_64+0x14d/0xf80
[  286.988563][ T6640]  ? trace_irq_disable+0x3b/0x150
[  286.988579][ T6640]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.988597][ T6640]  ? clear_bhb_loop+0x40/0x90
[  286.988617][ T6640]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.988634][ T6640] RIP: 0033:0x7f678059da0a
[  286.988651][ T6640] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  286.988666][ T6640] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.988687][ T6640] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  286.988699][ T6640] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  286.988712][ T6640] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  286.988724][ T6640] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  286.988735][ T6640] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  286.988764][ T6640]  </TASK>
[  287.277149][ T6640] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.291211][ T6640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.602623][ T6643] loop1: detected capacity change from 0 to 32768
[  287.613303][ T6643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.620919][ T6643] CPU: 1 UID: 0 PID: 6643 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  287.620945][ T6643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  287.620957][ T6643] Call Trace:
[  287.620965][ T6643]  <TASK>
[  287.620973][ T6643]  dump_stack_lvl+0xe8/0x150
[  287.621003][ T6643]  sysfs_create_dir_ns+0x271/0x2a0
[  287.621027][ T6643]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.621049][ T6643]  ? do_raw_spin_unlock+0xf5/0x210
[  287.621074][ T6643]  kobject_add_internal+0x62b/0xd00
[  287.621104][ T6643]  kobject_init_and_add+0x12b/0x1a0
[  287.621130][ T6643]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.621153][ T6643]  ? __raw_spin_lock_init+0x45/0x100
[  287.621175][ T6643]  ? __init_swait_queue_head+0xa9/0x150
[  287.621198][ T6643]  gfs2_sys_fs_add+0x257/0x480
[  287.621220][ T6643]  ? is_dynamic_key+0x1ac/0x1c0
[  287.621243][ T6643]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.621272][ T6643]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.621303][ T6643]  gfs2_fill_super+0x13a7/0x21d0
[  287.621334][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.621356][ T6643]  ? sb_set_blocksize+0x155/0x240
[  287.621377][ T6643]  ? setup_bdev_super+0x4c1/0x5b0
[  287.621404][ T6643]  get_tree_bdev_flags+0x431/0x4f0
[  287.621427][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.621445][ T6643]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.621466][ T6643]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.621497][ T6643]  gfs2_get_tree+0x51/0x1e0
[  287.621516][ T6643]  vfs_get_tree+0x92/0x2a0
[  287.621539][ T6643]  do_new_mount+0x341/0xd30
[  287.621557][ T6643]  ? apparmor_capable+0x126/0x170
[  287.621579][ T6643]  ? __pfx_do_new_mount+0x10/0x10
[  287.621597][ T6643]  ? ns_capable+0x89/0xe0
[  287.621628][ T6643]  ? user_path_at+0xd4/0x160
[  287.621650][ T6643]  __se_sys_mount+0x31d/0x420
[  287.621675][ T6643]  ? __pfx___se_sys_mount+0x10/0x10
[  287.621701][ T6643]  ? __x64_sys_mount+0x20/0xc0
[  287.621722][ T6643]  do_syscall_64+0x14d/0xf80
[  287.621740][ T6643]  ? trace_irq_disable+0x3b/0x150
[  287.621758][ T6643]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.621776][ T6643]  ? clear_bhb_loop+0x40/0x90
[  287.621798][ T6643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.621816][ T6643] RIP: 0033:0x7f678059da0a
[  287.621833][ T6643] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.621857][ T6643] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.621877][ T6643] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  287.621891][ T6643] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  287.621904][ T6643] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  287.621916][ T6643] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  287.621928][ T6643] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  287.621958][ T6643]  </TASK>
[  287.621981][ T6643] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.921858][ T6643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.235999][ T6646] loop1: detected capacity change from 0 to 32768
[  288.259538][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.267030][ T6646] CPU: 1 UID: 0 PID: 6646 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  288.267057][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  288.267069][ T6646] Call Trace:
[  288.267077][ T6646]  <TASK>
[  288.267086][ T6646]  dump_stack_lvl+0xe8/0x150
[  288.267117][ T6646]  sysfs_create_dir_ns+0x271/0x2a0
[  288.267141][ T6646]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.267161][ T6646]  ? do_raw_spin_unlock+0xf5/0x210
[  288.267186][ T6646]  kobject_add_internal+0x62b/0xd00
[  288.267214][ T6646]  kobject_init_and_add+0x12b/0x1a0
[  288.267239][ T6646]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.267261][ T6646]  ? __raw_spin_lock_init+0x45/0x100
[  288.267282][ T6646]  ? __init_swait_queue_head+0xa9/0x150
[  288.267305][ T6646]  gfs2_sys_fs_add+0x257/0x480
[  288.267327][ T6646]  ? is_dynamic_key+0x1ac/0x1c0
[  288.267349][ T6646]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.267379][ T6646]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.267409][ T6646]  gfs2_fill_super+0x13a7/0x21d0
[  288.267439][ T6646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.267462][ T6646]  ? sb_set_blocksize+0x155/0x240
[  288.267482][ T6646]  ? setup_bdev_super+0x4c1/0x5b0
[  288.267506][ T6646]  get_tree_bdev_flags+0x431/0x4f0
[  288.267529][ T6646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.267547][ T6646]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.267567][ T6646]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.267600][ T6646]  gfs2_get_tree+0x51/0x1e0
[  288.267622][ T6646]  vfs_get_tree+0x92/0x2a0
[  288.267647][ T6646]  do_new_mount+0x341/0xd30
[  288.267665][ T6646]  ? apparmor_capable+0x126/0x170
[  288.267687][ T6646]  ? __pfx_do_new_mount+0x10/0x10
[  288.267706][ T6646]  ? ns_capable+0x89/0xe0
[  288.267758][ T6646]  ? user_path_at+0xd4/0x160
[  288.267779][ T6646]  __se_sys_mount+0x31d/0x420
[  288.267803][ T6646]  ? __pfx___se_sys_mount+0x10/0x10
[  288.267827][ T6646]  ? __x64_sys_mount+0x20/0xc0
[  288.267848][ T6646]  do_syscall_64+0x14d/0xf80
[  288.267866][ T6646]  ? trace_irq_disable+0x3b/0x150
[  288.267883][ T6646]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.267900][ T6646]  ? clear_bhb_loop+0x40/0x90
[  288.267921][ T6646]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.267939][ T6646] RIP: 0033:0x7f678059da0a
[  288.267956][ T6646] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.267971][ T6646] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.267991][ T6646] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  288.268004][ T6646] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  288.268017][ T6646] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  288.268029][ T6646] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  288.268041][ T6646] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  288.268067][ T6646]  </TASK>
[  288.268092][ T6646] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.568630][ T6646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.880719][ T6649] loop1: detected capacity change from 0 to 32768
[  288.893175][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.906447][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  288.906472][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  288.906482][ T6649] Call Trace:
[  288.906490][ T6649]  <TASK>
[  288.906498][ T6649]  dump_stack_lvl+0xe8/0x150
[  288.906528][ T6649]  sysfs_create_dir_ns+0x271/0x2a0
[  288.906553][ T6649]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.906575][ T6649]  ? do_raw_spin_unlock+0xf5/0x210
[  288.906600][ T6649]  kobject_add_internal+0x62b/0xd00
[  288.906630][ T6649]  kobject_init_and_add+0x12b/0x1a0
[  288.906656][ T6649]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.906678][ T6649]  ? __raw_spin_lock_init+0x45/0x100
[  288.906698][ T6649]  ? __init_swait_queue_head+0xa9/0x150
[  288.906721][ T6649]  gfs2_sys_fs_add+0x257/0x480
[  288.906742][ T6649]  ? is_dynamic_key+0x1ac/0x1c0
[  288.906764][ T6649]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.906792][ T6649]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.906824][ T6649]  gfs2_fill_super+0x13a7/0x21d0
[  288.906855][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.906878][ T6649]  ? sb_set_blocksize+0x155/0x240
[  288.906899][ T6649]  ? setup_bdev_super+0x4c1/0x5b0
[  288.906924][ T6649]  get_tree_bdev_flags+0x431/0x4f0
[  288.906947][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.906965][ T6649]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.906986][ T6649]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.907018][ T6649]  gfs2_get_tree+0x51/0x1e0
[  288.907038][ T6649]  vfs_get_tree+0x92/0x2a0
[  288.907062][ T6649]  do_new_mount+0x341/0xd30
[  288.907080][ T6649]  ? apparmor_capable+0x126/0x170
[  288.907103][ T6649]  ? __pfx_do_new_mount+0x10/0x10
[  288.907123][ T6649]  ? ns_capable+0x89/0xe0
[  288.907156][ T6649]  ? user_path_at+0xd4/0x160
[  288.907179][ T6649]  __se_sys_mount+0x31d/0x420
[  288.907203][ T6649]  ? __pfx___se_sys_mount+0x10/0x10
[  288.907228][ T6649]  ? __x64_sys_mount+0x20/0xc0
[  288.907259][ T6649]  do_syscall_64+0x14d/0xf80
[  288.907277][ T6649]  ? trace_irq_disable+0x3b/0x150
[  288.907294][ T6649]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.907311][ T6649]  ? clear_bhb_loop+0x40/0x90
[  288.907331][ T6649]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.907347][ T6649] RIP: 0033:0x7f678059da0a
[  288.907365][ T6649] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.907380][ T6649] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.907399][ T6649] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  288.907413][ T6649] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  288.907425][ T6649] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  288.907436][ T6649] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  288.907448][ T6649] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  288.907476][ T6649]  </TASK>
[  288.907500][ T6649] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.207038][ T6649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.518488][ T6652] loop1: detected capacity change from 0 to 32768
[  289.539261][ T6652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.546782][ T6652] CPU: 1 UID: 0 PID: 6652 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  289.546809][ T6652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  289.546821][ T6652] Call Trace:
[  289.546829][ T6652]  <TASK>
[  289.546837][ T6652]  dump_stack_lvl+0xe8/0x150
[  289.546868][ T6652]  sysfs_create_dir_ns+0x271/0x2a0
[  289.546893][ T6652]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.546914][ T6652]  ? do_raw_spin_unlock+0xf5/0x210
[  289.546937][ T6652]  kobject_add_internal+0x62b/0xd00
[  289.546967][ T6652]  kobject_init_and_add+0x12b/0x1a0
[  289.546992][ T6652]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.547014][ T6652]  ? __raw_spin_lock_init+0x45/0x100
[  289.547034][ T6652]  ? __init_swait_queue_head+0xa9/0x150
[  289.547057][ T6652]  gfs2_sys_fs_add+0x257/0x480
[  289.547079][ T6652]  ? is_dynamic_key+0x1ac/0x1c0
[  289.547102][ T6652]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.547131][ T6652]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.547162][ T6652]  gfs2_fill_super+0x13a7/0x21d0
[  289.547192][ T6652]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.547213][ T6652]  ? sb_set_blocksize+0x155/0x240
[  289.547233][ T6652]  ? setup_bdev_super+0x4c1/0x5b0
[  289.547258][ T6652]  get_tree_bdev_flags+0x431/0x4f0
[  289.547282][ T6652]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.547300][ T6652]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.547319][ T6652]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.547351][ T6652]  gfs2_get_tree+0x51/0x1e0
[  289.547372][ T6652]  vfs_get_tree+0x92/0x2a0
[  289.547398][ T6652]  do_new_mount+0x341/0xd30
[  289.547416][ T6652]  ? apparmor_capable+0x126/0x170
[  289.547440][ T6652]  ? __pfx_do_new_mount+0x10/0x10
[  289.547459][ T6652]  ? ns_capable+0x89/0xe0
[  289.547489][ T6652]  ? user_path_at+0xd4/0x160
[  289.547512][ T6652]  __se_sys_mount+0x31d/0x420
[  289.547537][ T6652]  ? __pfx___se_sys_mount+0x10/0x10
[  289.547561][ T6652]  ? __x64_sys_mount+0x20/0xc0
[  289.547582][ T6652]  do_syscall_64+0x14d/0xf80
[  289.547599][ T6652]  ? trace_irq_disable+0x3b/0x150
[  289.547616][ T6652]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.547633][ T6652]  ? clear_bhb_loop+0x40/0x90
[  289.547655][ T6652]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.547672][ T6652] RIP: 0033:0x7f678059da0a
[  289.547702][ T6652] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  289.547716][ T6652] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.547736][ T6652] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  289.547749][ T6652] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  289.547762][ T6652] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  289.547773][ T6652] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  289.547785][ T6652] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  289.547813][ T6652]  </TASK>
[  289.547837][ T6652] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.847837][ T6652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.203566][ T6656] loop1: detected capacity change from 0 to 32768
[  290.232104][ T6656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.239644][ T6656] CPU: 1 UID: 0 PID: 6656 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  290.239675][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  290.239699][ T6656] Call Trace:
[  290.239706][ T6656]  <TASK>
[  290.239713][ T6656]  dump_stack_lvl+0xe8/0x150
[  290.239744][ T6656]  sysfs_create_dir_ns+0x271/0x2a0
[  290.239768][ T6656]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.239791][ T6656]  ? do_raw_spin_unlock+0xf5/0x210
[  290.239814][ T6656]  kobject_add_internal+0x62b/0xd00
[  290.239845][ T6656]  kobject_init_and_add+0x12b/0x1a0
[  290.239872][ T6656]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.239893][ T6656]  ? __raw_spin_lock_init+0x45/0x100
[  290.239914][ T6656]  ? __init_swait_queue_head+0xa9/0x150
[  290.239936][ T6656]  gfs2_sys_fs_add+0x257/0x480
[  290.239958][ T6656]  ? is_dynamic_key+0x1ac/0x1c0
[  290.239981][ T6656]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.240012][ T6656]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.240041][ T6656]  gfs2_fill_super+0x13a7/0x21d0
[  290.240074][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.240097][ T6656]  ? sb_set_blocksize+0x155/0x240
[  290.240118][ T6656]  ? setup_bdev_super+0x4c1/0x5b0
[  290.240145][ T6656]  get_tree_bdev_flags+0x431/0x4f0
[  290.240169][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.240186][ T6656]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.240206][ T6656]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.240238][ T6656]  gfs2_get_tree+0x51/0x1e0
[  290.240259][ T6656]  vfs_get_tree+0x92/0x2a0
[  290.240284][ T6656]  do_new_mount+0x341/0xd30
[  290.240302][ T6656]  ? apparmor_capable+0x126/0x170
[  290.240325][ T6656]  ? __pfx_do_new_mount+0x10/0x10
[  290.240343][ T6656]  ? ns_capable+0x89/0xe0
[  290.240375][ T6656]  ? user_path_at+0xd4/0x160
[  290.240403][ T6656]  __se_sys_mount+0x31d/0x420
[  290.240428][ T6656]  ? __pfx___se_sys_mount+0x10/0x10
[  290.240454][ T6656]  ? __x64_sys_mount+0x20/0xc0
[  290.240475][ T6656]  do_syscall_64+0x14d/0xf80
[  290.240493][ T6656]  ? trace_irq_disable+0x3b/0x150
[  290.240510][ T6656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.240528][ T6656]  ? clear_bhb_loop+0x40/0x90
[  290.240549][ T6656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.240565][ T6656] RIP: 0033:0x7f678059da0a
[  290.240582][ T6656] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  290.240596][ T6656] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.240615][ T6656] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  290.240627][ T6656] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  290.240640][ T6656] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  290.240652][ T6656] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  290.240664][ T6656] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  290.240700][ T6656]  </TASK>
[  290.240736][ T6656] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.543651][ T6656] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/04 06:04:01 executed programs: 204
[  290.855443][ T6659] loop1: detected capacity change from 0 to 32768
[  290.865919][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.874101][ T6659] CPU: 1 UID: 0 PID: 6659 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  290.874136][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  290.874146][ T6659] Call Trace:
[  290.874153][ T6659]  <TASK>
[  290.874160][ T6659]  dump_stack_lvl+0xe8/0x150
[  290.874188][ T6659]  sysfs_create_dir_ns+0x271/0x2a0
[  290.874210][ T6659]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.874233][ T6659]  ? do_raw_spin_unlock+0xf5/0x210
[  290.874258][ T6659]  kobject_add_internal+0x62b/0xd00
[  290.874285][ T6659]  kobject_init_and_add+0x12b/0x1a0
[  290.874310][ T6659]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.874331][ T6659]  ? __raw_spin_lock_init+0x45/0x100
[  290.874348][ T6659]  ? __init_swait_queue_head+0xa9/0x150
[  290.874368][ T6659]  gfs2_sys_fs_add+0x257/0x480
[  290.874389][ T6659]  ? is_dynamic_key+0x1ac/0x1c0
[  290.874411][ T6659]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.874438][ T6659]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.874463][ T6659]  gfs2_fill_super+0x13a7/0x21d0
[  290.874493][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.874514][ T6659]  ? sb_set_blocksize+0x155/0x240
[  290.874533][ T6659]  ? setup_bdev_super+0x4c1/0x5b0
[  290.874555][ T6659]  get_tree_bdev_flags+0x431/0x4f0
[  290.874577][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.874593][ T6659]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.874613][ T6659]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.874643][ T6659]  gfs2_get_tree+0x51/0x1e0
[  290.874663][ T6659]  vfs_get_tree+0x92/0x2a0
[  290.874685][ T6659]  do_new_mount+0x341/0xd30
[  290.874702][ T6659]  ? apparmor_capable+0x126/0x170
[  290.874724][ T6659]  ? __pfx_do_new_mount+0x10/0x10
[  290.874743][ T6659]  ? ns_capable+0x89/0xe0
[  290.874772][ T6659]  ? user_path_at+0xd4/0x160
[  290.874796][ T6659]  __se_sys_mount+0x31d/0x420
[  290.874816][ T6659]  ? __pfx___se_sys_mount+0x10/0x10
[  290.874835][ T6659]  ? __x64_sys_mount+0x20/0xc0
[  290.874851][ T6659]  do_syscall_64+0x14d/0xf80
[  290.874865][ T6659]  ? trace_irq_disable+0x3b/0x150
[  290.874878][ T6659]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.874892][ T6659]  ? clear_bhb_loop+0x40/0x90
[  290.874908][ T6659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.874922][ T6659] RIP: 0033:0x7f678059da0a
[  290.874936][ T6659] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  290.874949][ T6659] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.874965][ T6659] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  290.874975][ T6659] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  290.874984][ T6659] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  290.874994][ T6659] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  290.875003][ T6659] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  290.875024][ T6659]  </TASK>
[  290.875061][ T6659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.175475][ T6659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.483151][ T6662] loop1: detected capacity change from 0 to 32768
[  291.505626][ T6662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.515130][ T6662] CPU: 0 UID: 0 PID: 6662 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  291.515155][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  291.515167][ T6662] Call Trace:
[  291.515175][ T6662]  <TASK>
[  291.515182][ T6662]  dump_stack_lvl+0xe8/0x150
[  291.515212][ T6662]  sysfs_create_dir_ns+0x271/0x2a0
[  291.515236][ T6662]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.515259][ T6662]  ? do_raw_spin_unlock+0xf5/0x210
[  291.515283][ T6662]  kobject_add_internal+0x62b/0xd00
[  291.515313][ T6662]  kobject_init_and_add+0x12b/0x1a0
[  291.515339][ T6662]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.515362][ T6662]  ? __raw_spin_lock_init+0x45/0x100
[  291.515382][ T6662]  ? __init_swait_queue_head+0xa9/0x150
[  291.515405][ T6662]  gfs2_sys_fs_add+0x257/0x480
[  291.515427][ T6662]  ? is_dynamic_key+0x1ac/0x1c0
[  291.515450][ T6662]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.515479][ T6662]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.515510][ T6662]  gfs2_fill_super+0x13a7/0x21d0
[  291.515543][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.515572][ T6662]  ? sb_set_blocksize+0x155/0x240
[  291.515592][ T6662]  ? setup_bdev_super+0x4c1/0x5b0
[  291.515618][ T6662]  get_tree_bdev_flags+0x431/0x4f0
[  291.515644][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.515663][ T6662]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.515683][ T6662]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.515716][ T6662]  gfs2_get_tree+0x51/0x1e0
[  291.515737][ T6662]  vfs_get_tree+0x92/0x2a0
[  291.515761][ T6662]  do_new_mount+0x341/0xd30
[  291.515779][ T6662]  ? apparmor_capable+0x126/0x170
[  291.515802][ T6662]  ? __pfx_do_new_mount+0x10/0x10
[  291.515821][ T6662]  ? ns_capable+0x89/0xe0
[  291.515853][ T6662]  ? user_path_at+0xd4/0x160
[  291.515876][ T6662]  __se_sys_mount+0x31d/0x420
[  291.515900][ T6662]  ? __pfx___se_sys_mount+0x10/0x10
[  291.515926][ T6662]  ? __x64_sys_mount+0x20/0xc0
[  291.515946][ T6662]  do_syscall_64+0x14d/0xf80
[  291.515964][ T6662]  ? trace_irq_disable+0x3b/0x150
[  291.515981][ T6662]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.515999][ T6662]  ? clear_bhb_loop+0x40/0x90
[  291.516021][ T6662]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.516038][ T6662] RIP: 0033:0x7f678059da0a
[  291.516055][ T6662] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  291.516070][ T6662] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.516090][ T6662] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  291.516103][ T6662] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  291.516116][ T6662] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  291.516128][ T6662] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  291.516140][ T6662] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  291.516169][ T6662]  </TASK>
[  291.516201][ T6662] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.817326][ T6662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.132857][ T6665] loop1: detected capacity change from 0 to 32768
[  292.145505][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.153634][ T6665] CPU: 0 UID: 0 PID: 6665 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  292.153659][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  292.153670][ T6665] Call Trace:
[  292.153678][ T6665]  <TASK>
[  292.153686][ T6665]  dump_stack_lvl+0xe8/0x150
[  292.153716][ T6665]  sysfs_create_dir_ns+0x271/0x2a0
[  292.153740][ T6665]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.153761][ T6665]  ? do_raw_spin_unlock+0xf5/0x210
[  292.153783][ T6665]  kobject_add_internal+0x62b/0xd00
[  292.153814][ T6665]  kobject_init_and_add+0x12b/0x1a0
[  292.153840][ T6665]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.153863][ T6665]  ? __raw_spin_lock_init+0x45/0x100
[  292.153883][ T6665]  ? __init_swait_queue_head+0xa9/0x150
[  292.153907][ T6665]  gfs2_sys_fs_add+0x257/0x480
[  292.153929][ T6665]  ? is_dynamic_key+0x1ac/0x1c0
[  292.153952][ T6665]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.153983][ T6665]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.154014][ T6665]  gfs2_fill_super+0x13a7/0x21d0
[  292.154047][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.154070][ T6665]  ? sb_set_blocksize+0x155/0x240
[  292.154090][ T6665]  ? setup_bdev_super+0x4c1/0x5b0
[  292.154116][ T6665]  get_tree_bdev_flags+0x431/0x4f0
[  292.154139][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.154158][ T6665]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.154178][ T6665]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.154211][ T6665]  gfs2_get_tree+0x51/0x1e0
[  292.154230][ T6665]  vfs_get_tree+0x92/0x2a0
[  292.154254][ T6665]  do_new_mount+0x341/0xd30
[  292.154270][ T6665]  ? apparmor_capable+0x126/0x170
[  292.154293][ T6665]  ? __pfx_do_new_mount+0x10/0x10
[  292.154309][ T6665]  ? ns_capable+0x89/0xe0
[  292.154340][ T6665]  ? user_path_at+0xd4/0x160
[  292.154363][ T6665]  __se_sys_mount+0x31d/0x420
[  292.154399][ T6665]  ? __pfx___se_sys_mount+0x10/0x10
[  292.154424][ T6665]  ? __x64_sys_mount+0x20/0xc0
[  292.154448][ T6665]  do_syscall_64+0x14d/0xf80
[  292.154466][ T6665]  ? trace_irq_disable+0x3b/0x150
[  292.154484][ T6665]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.154502][ T6665]  ? clear_bhb_loop+0x40/0x90
[  292.154524][ T6665]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.154542][ T6665] RIP: 0033:0x7f678059da0a
[  292.154560][ T6665] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  292.154576][ T6665] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.154595][ T6665] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  292.154608][ T6665] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  292.154621][ T6665] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  292.154633][ T6665] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  292.154645][ T6665] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  292.154674][ T6665]  </TASK>
[  292.154709][ T6665] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.456712][ T6665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.765901][ T6668] loop1: detected capacity change from 0 to 32768
[  292.779146][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.786588][ T6668] CPU: 0 UID: 0 PID: 6668 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  292.786611][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  292.786623][ T6668] Call Trace:
[  292.786631][ T6668]  <TASK>
[  292.786639][ T6668]  dump_stack_lvl+0xe8/0x150
[  292.786668][ T6668]  sysfs_create_dir_ns+0x271/0x2a0
[  292.786693][ T6668]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.786716][ T6668]  ? do_raw_spin_unlock+0xf5/0x210
[  292.786739][ T6668]  kobject_add_internal+0x62b/0xd00
[  292.786768][ T6668]  kobject_init_and_add+0x12b/0x1a0
[  292.786794][ T6668]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.786815][ T6668]  ? __raw_spin_lock_init+0x45/0x100
[  292.786834][ T6668]  ? __init_swait_queue_head+0xa9/0x150
[  292.786857][ T6668]  gfs2_sys_fs_add+0x257/0x480
[  292.786878][ T6668]  ? is_dynamic_key+0x1ac/0x1c0
[  292.786900][ T6668]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.786929][ T6668]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.786961][ T6668]  gfs2_fill_super+0x13a7/0x21d0
[  292.786993][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.787014][ T6668]  ? sb_set_blocksize+0x155/0x240
[  292.787035][ T6668]  ? setup_bdev_super+0x4c1/0x5b0
[  292.787062][ T6668]  get_tree_bdev_flags+0x431/0x4f0
[  292.787085][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.787102][ T6668]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.787122][ T6668]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.787153][ T6668]  gfs2_get_tree+0x51/0x1e0
[  292.787174][ T6668]  vfs_get_tree+0x92/0x2a0
[  292.787199][ T6668]  do_new_mount+0x341/0xd30
[  292.787217][ T6668]  ? apparmor_capable+0x126/0x170
[  292.787240][ T6668]  ? __pfx_do_new_mount+0x10/0x10
[  292.787259][ T6668]  ? ns_capable+0x89/0xe0
[  292.787291][ T6668]  ? user_path_at+0xd4/0x160
[  292.787313][ T6668]  __se_sys_mount+0x31d/0x420
[  292.787337][ T6668]  ? __pfx___se_sys_mount+0x10/0x10
[  292.787362][ T6668]  ? __x64_sys_mount+0x20/0xc0
[  292.787381][ T6668]  do_syscall_64+0x14d/0xf80
[  292.787399][ T6668]  ? trace_irq_disable+0x3b/0x150
[  292.787416][ T6668]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.787433][ T6668]  ? clear_bhb_loop+0x40/0x90
[  292.787454][ T6668]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.787471][ T6668] RIP: 0033:0x7f678059da0a
[  292.787489][ T6668] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  292.787513][ T6668] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.787533][ T6668] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  292.787546][ T6668] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  292.787558][ T6668] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  292.787569][ T6668] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  292.787581][ T6668] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  292.787609][ T6668]  </TASK>
[  292.787634][ T6668] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.093703][ T6668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.100542][   T31] INFO: task kworker/1:3:5805 blocked for more than 143 seconds.
[  293.118314][   T31]       Not tainted syzkaller #0
[  293.129305][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  293.148340][   T31] task:kworker/1:3     state:D stack:25952 pid:5805  tgid:5805  ppid:2      task_flags:0x4208060 flags:0x00080000
[  293.178479][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  293.186039][   T31] Call Trace:
[  293.198381][   T31]  <TASK>
[  293.201458][   T31]  __schedule+0x1665/0x5590
[  293.208335][   T31]  ? __lock_acquire+0x146e/0x2cf0
[  293.218333][   T31]  ? __pfx___schedule+0x10/0x10
[  293.228332][   T31]  ? schedule+0x90/0x360
[  293.238300][   T31]  schedule+0x164/0x360
[  293.248330][   T31]  io_schedule+0x7f/0xd0
[  293.254088][   T31]  folio_wait_bit_common+0x6d8/0xbc0
[  293.268324][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  293.278327][   T31]  ? __submit_bio+0x28d/0x580
[  293.288307][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  293.298315][   T31]  ? __get_log_header+0x2a3/0x630
[  293.308382][   T31]  ? __filemap_get_folio_mpol+0x740/0xb00
[  293.338402][   T31]  gfs2_jhead_process_page+0x175/0x670
[  293.346881][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  293.368326][   T31]  gfs2_find_jhead+0xbd2/0xd30
[  293.373205][   T31]  gfs2_recover_func+0x6cf/0x1f60
[  293.379810][   T31]  ? ktime_get+0x45/0x220
[  293.398362][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  293.403976][   T31]  ? ktime_get+0x45/0x220
[  293.408411][   T31]  ? seqcount_lockdep_reader_access+0xd4/0x100
[  293.414577][   T31]  ? ktime_get+0x1f5/0x220
[  293.430281][   T31]  ? lapic_next_event+0x11/0x20
[  293.439931][   T31]  ? clockevents_program_event+0x3ba/0x4b0
[  293.451471][   T31]  ? __pfx_clockevents_program_event+0x10/0x10
[  293.469092][   T31]  ? irqentry_exit+0x61a/0x700
[  293.473954][   T31]  ? lockdep_hardirqs_on+0x7a/0x110
[  293.488373][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  293.498981][   T31]  ? process_one_work+0x870/0x1720
[  293.508547][   T31]  process_one_work+0x963/0x1720
[  293.518329][   T31]  ? __pfx_process_one_work+0x10/0x10
[  293.523765][   T31]  ? do_raw_spin_lock+0x12b/0x2f0
[  293.529213][   T31]  worker_thread+0xb46/0x1140
[  293.533953][   T31]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  293.541990][   T31]  kthread+0x388/0x470
[  293.546122][   T31]  ? __pfx_worker_thread+0x10/0x10
[  293.551569][   T31]  ? __pfx_kthread+0x10/0x10
[  293.556648][   T31]  ret_from_fork+0x51e/0xb90
[  293.561556][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  293.566796][   T31]  ? __switch_to+0xc7d/0x1450
[  293.572698][   T31]  ? __pfx_kthread+0x10/0x10
[  293.577440][   T31]  ret_from_fork_asm+0x1a/0x30
[  293.582696][   T31]  </TASK>
[  293.598373][   T31] INFO: task syz.0.17:6013 blocked for more than 143 seconds.
[  293.608870][   T31]       Not tainted syzkaller #0
[  293.613946][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  293.623157][   T31] task:syz.0.17        state:D stack:24424 pid:6013  tgid:6013  ppid:5940   task_flags:0x400140 flags:0x00080002
[  293.635499][   T31] Call Trace:
[  293.639109][   T31]  <TASK>
[  293.642087][   T31]  __schedule+0x1665/0x5590
[  293.646738][   T31]  ? __pfx___schedule+0x10/0x10
[  293.652207][   T31]  ? schedule+0x90/0x360
[  293.656503][   T31]  schedule+0x164/0x360
[  293.661123][   T31]  bit_wait+0x11/0xd0
[  293.665148][   T31]  __wait_on_bit+0xb9/0x310
[  293.670114][   T31]  ? __pfx_bit_wait+0x10/0x10
[  293.675204][   T31]  out_of_line_wait_on_bit+0x13b/0x190
[  293.681108][   T31]  ? __pfx_bit_wait+0x10/0x10
[  293.682807][ T6671] loop1: detected capacity change from 0 to 32768
[  293.686195][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  293.700325][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.705790][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  293.710222][ T6671] CPU: 1 UID: 0 PID: 6671 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full) 
[  293.710246][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  293.710258][ T6671] Call Trace:
[  293.710267][ T6671]  <TASK>
[  293.710275][ T6671]  dump_stack_lvl+0xe8/0x150
[  293.710303][ T6671]  sysfs_create_dir_ns+0x271/0x2a0
[  293.710326][ T6671]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.710348][ T6671]  ? do_raw_spin_unlock+0xf5/0x210
[  293.710372][ T6671]  kobject_add_internal+0x62b/0xd00
[  293.710401][ T6671]  kobject_init_and_add+0x12b/0x1a0
[  293.710427][ T6671]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.710450][ T6671]  ? __raw_spin_lock_init+0x45/0x100
[  293.710470][ T6671]  ? __init_swait_queue_head+0xa9/0x150
[  293.710492][ T6671]  gfs2_sys_fs_add+0x257/0x480
[  293.710513][ T6671]  ? is_dynamic_key+0x1ac/0x1c0
[  293.710536][ T6671]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.710565][ T6671]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.710595][ T6671]  gfs2_fill_super+0x13a7/0x21d0
[  293.710627][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.710654][ T6671]  ? sb_set_blocksize+0x155/0x240
[  293.710674][ T6671]  ? setup_bdev_super+0x4c1/0x5b0
[  293.710707][ T6671]  get_tree_bdev_flags+0x431/0x4f0
[  293.710731][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.710749][ T6671]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.710769][ T6671]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.710801][ T6671]  gfs2_get_tree+0x51/0x1e0
[  293.710821][ T6671]  vfs_get_tree+0x92/0x2a0
[  293.710846][ T6671]  do_new_mount+0x341/0xd30
[  293.710864][ T6671]  ? apparmor_capable+0x126/0x170
[  293.710886][ T6671]  ? __pfx_do_new_mount+0x10/0x10
[  293.710904][ T6671]  ? ns_capable+0x89/0xe0
[  293.710936][ T6671]  ? user_path_at+0xd4/0x160
[  293.710959][ T6671]  __se_sys_mount+0x31d/0x420
[  293.710983][ T6671]  ? __pfx___se_sys_mount+0x10/0x10
[  293.711007][ T6671]  ? __x64_sys_mount+0x20/0xc0
[  293.711027][ T6671]  do_syscall_64+0x14d/0xf80
[  293.711045][ T6671]  ? trace_irq_disable+0x3b/0x150
[  293.711062][ T6671]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.711080][ T6671]  ? clear_bhb_loop+0x40/0x90
[  293.711100][ T6671]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.711118][ T6671] RIP: 0033:0x7f678059da0a
[  293.711135][ T6671] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  293.711150][ T6671] RSP: 002b:00007ffd9de434b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.711169][ T6671] RAX: ffffffffffffffda RBX: 00007ffd9de43540 RCX: 00007f678059da0a
[  293.711183][ T6671] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd9de43500
[  293.711195][ T6671] RBP: 000020000001f680 R08: 00007ffd9de43540 R09: 0000000000000084
[  293.711206][ T6671] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  293.711217][ T6671] R13: 00007ffd9de43500 R14: 000000000001f707 R15: 0000200000000000
[  293.711245][ T6671]  </TASK>
[  293.711281][ T6671] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.713469][   T31]  gfs2_recover_journal+0xda/0x140
[  293.727407][ T6671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.748811][   T31]  init_journal+0x16ad/0x22b0
[  294.033752][   T31]  ? init_inodes+0xdb/0x320
[  294.038490][   T31]  ? __pfx_init_journal+0x10/0x10
[  294.043580][   T31]  ? snprintf+0xe8/0x140
[  294.047851][   T31]  ? init_inodes+0xdb/0x320
[  294.052439][   T31]  ? __pfx_snprintf+0x10/0x10
[  294.057143][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  294.062369][   T31]  init_inodes+0xdb/0x320
[  294.066723][   T31]  gfs2_fill_super+0x1a38/0x21d0
[  294.071772][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.077075][   T31]  ? init_locking+0xb8/0x210
[  294.081762][   T31]  ? sb_set_blocksize+0x155/0x240
[  294.087582][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  294.092717][   T31]  get_tree_bdev_flags+0x431/0x4f0
[  294.097851][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.103240][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.108930][   T31]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.114590][   T31]  gfs2_get_tree+0x51/0x1e0
[  294.119189][   T31]  vfs_get_tree+0x92/0x2a0
[  294.123635][   T31]  do_new_mount+0x341/0xd30
[  294.128154][   T31]  ? apparmor_capable+0x126/0x170
[  294.133294][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  294.138502][   T31]  ? ns_capable+0x89/0xe0
[  294.142889][   T31]  ? user_path_at+0xd4/0x160
[  294.147599][   T31]  __se_sys_mount+0x31d/0x420
[  294.152374][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  294.157599][   T31]  ? __x64_sys_mount+0x20/0xc0
[  294.162488][   T31]  do_syscall_64+0x14d/0xf80
[  294.167092][   T31]  ? trace_irq_disable+0x3b/0x150
[  294.172221][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.178353][   T31]  ? clear_bhb_loop+0x40/0x90
[  294.183088][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.189751][   T31] RIP: 0033:0x7f7881b9da0a
[  294.194192][   T31] RSP: 002b:00007ffeae808538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.202820][   T31] RAX: ffffffffffffffda RBX: 00007ffeae8085c0 RCX: 00007f7881b9da0a
[  294.211120][   T31] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeae808580
[  294.219221][   T31] RBP: 000020000001f680 R08: 00007ffeae8085c0 R09: 0000000000000084
[  294.227216][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  294.235358][   T31] R13: 00007ffeae808580 R14: 000000000001f707 R15: 0000200000000000
[  294.243421][   T31]  </TASK>
[  294.258367][   T31] 
[  294.258367][   T31] Showing all locks held in the system:
[  294.278364][   T31] 1 lock held by khungtaskd/31:
[  294.283300][   T31]  #0: ffffffff8e760560 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  294.296063][   T31] 2 locks held by getty/5581:
[  294.301013][   T31]  #0: ffff888036fb10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  294.311212][   T31]  #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[  294.321610][   T31] 2 locks held by kworker/1:3/5805:
[  294.326840][   T31]  #0: ffff88801ebb0148 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x849/0x1720
[  294.338116][   T31]  #1: ffffc90003997c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1720
[  294.349633][   T31] 1 lock held by syz.0.17/6013:
[  294.354514][   T31]  #0: ffff8880350d60e0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xab0
[  294.366738][   T31] 2 locks held by syz.1.224/6674:
[  294.372475][   T31] 
[  294.374837][   T31] =============================================
[  294.374837][   T31] 
[  294.383582][   T31] NMI backtrace for cpu 0
[  294.383599][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  294.383619][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  294.383631][   T31] Call Trace:
[  294.383638][   T31]  <TASK>
[  294.383646][   T31]  dump_stack_lvl+0xe8/0x150
[  294.383675][   T31]  nmi_cpu_backtrace+0x274/0x2d0
[  294.383699][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  294.383725][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  294.383751][   T31]  sys_info+0x135/0x170
[  294.383770][   T31]  watchdog+0xfd9/0x1030
[  294.383794][   T31]  ? watchdog+0x21a/0x1030
[  294.383819][   T31]  kthread+0x388/0x470
[  294.383838][   T31]  ? __pfx_watchdog+0x10/0x10
[  294.383855][   T31]  ? __pfx_kthread+0x10/0x10
[  294.383874][   T31]  ret_from_fork+0x51e/0xb90
[  294.383900][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  294.383921][   T31]  ? __switch_to+0xc7d/0x1450
[  294.383945][   T31]  ? __pfx_kthread+0x10/0x10
[  294.383964][   T31]  ret_from_fork_asm+0x1a/0x30
[  294.383994][   T31]  </TASK>
[  294.384001][   T31] Sending NMI from CPU 0 to CPUs 1:
[  294.414460][ T6674] loop1: detected capacity change from 0 to 32768
[  294.414740][    C1] NMI backtrace for cpu 1
[  294.414759][    C1] CPU: 1 UID: 0 PID: 6674 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full) 
[  294.414777][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  294.414787][    C1] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x17/0x90
[  294.414810][    C1] Code: 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 15 e8 c2 57 11 65 8b 0d 09 c3 57 11 <81> e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 94 16 00 00
[  294.414823][    C1] RSP: 0018:ffffc900056466a8 EFLAGS: 00000246
[  294.414838][    C1] RAX: ffffffff8bac9327 RBX: dffffc0000000000 RCX: 0000000080000001
[  294.414850][    C1] RDX: ffff88802d078000 RSI: 0000000000000000 RDI: 0000000000000020
[  294.414860][    C1] RBP: ffffffff8bcd8c04 R08: ffff88802d078000 R09: 0000000000000008
[  294.414871][    C1] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
[  294.414881][    C1] R13: ffffc90005646881 R14: ffffffffffff0a00 R15: 000000000000001f
[  294.414892][    C1] FS:  000055558bd94500(0000) GS:ffff888125548000(0000) knlGS:0000000000000000
[  294.414906][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  294.414917][    C1] CR2: 00007f67785ff000 CR3: 000000002c540000 CR4: 00000000003526f0
[  294.414931][    C1] Call Trace:
[  294.414938][    C1]  <TASK>
[  294.414944][    C1]  vsnprintf+0x887/0xee0
[  294.414970][    C1]  snprintf+0xe8/0x140
[  294.414990][    C1]  ? __pfx_snprintf+0x10/0x10
[  294.415009][    C1]  ? desc_read+0x208/0x3f0
[  294.415033][    C1]  info_print_prefix+0x1fd/0x360
[  294.415053][    C1]  ? __pfx_info_print_prefix+0x10/0x10
[  294.415069][    C1]  ? _prb_read_valid+0xa6f/0xa80
[  294.415093][    C1]  record_print_text+0x176/0x450
[  294.415112][    C1]  ? __pfx__prb_read_valid+0x10/0x10
[  294.415132][    C1]  ? __pfx_record_print_text+0x10/0x10
[  294.415155][    C1]  printk_get_next_message+0x29c/0x880
[  294.415175][    C1]  ? __pfx_printk_get_next_message+0x10/0x10
[  294.415191][    C1]  ? __pfx__prb_read_valid+0x10/0x10
[  294.415211][    C1]  ? format_decode+0xd9/0xe10
[  294.415234][    C1]  ? lock_acquire+0xf0/0x2e0
[  294.415254][    C1]  ? console_flush_all+0x4ac/0xb20
[  294.415272][    C1]  console_flush_all+0x501/0xb20
[  294.415290][    C1]  ? console_flush_all+0x123/0xb20
[  294.415308][    C1]  ? __pfx_console_flush_all+0x10/0x10
[  294.415326][    C1]  ? is_printk_cpu_sync_owner+0x32/0x40
[  294.415345][    C1]  console_unlock+0xd1/0x1c0
[  294.415361][    C1]  ? __pfx_console_unlock+0x10/0x10
[  294.415377][    C1]  ? vprintk_emit+0x2cf/0x560
[  294.415391][    C1]  ? vprintk_emit+0x2cf/0x560
[  294.415406][    C1]  vprintk_emit+0x485/0x560
[  294.415421][    C1]  ? __pfx_vprintk_emit+0x10/0x10
[  294.415435][    C1]  ? shmem_getattr+0x5c3/0x760
[  294.415458][    C1]  _printk+0xdd/0x130
[  294.415476][    C1]  ? __pfx__printk+0x10/0x10
[  294.415491][    C1]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  294.415512][    C1]  ? ___ratelimit+0x58c/0x8d0
[  294.415535][    C1]  set_capacity_and_notify+0x2c5/0x320
[  294.415556][    C1]  ? __pfx_set_capacity_and_notify+0x10/0x10
[  294.415575][    C1]  ? __pfx_internal_create_group+0x10/0x10
[  294.415596][    C1]  loop_set_size+0x44/0xb0
[  294.415615][    C1]  loop_configure+0x9ac/0xdf0
[  294.415637][    C1]  ? __pfx_loop_configure+0x10/0x10
[  294.415662][    C1]  ? unwind_get_return_address+0x4d/0x90
[  294.415683][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  294.415700][    C1]  ? arch_stack_walk+0xfb/0x150
[  294.415718][    C1]  lo_ioctl+0x447/0x1fb0
[  294.415735][    C1]  ? stack_trace_save+0xa9/0x100
[  294.415758][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  294.415775][    C1]  ? __pfx_lo_ioctl+0x10/0x10
[  294.415795][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  294.415814][    C1]  ? path_openat+0x2e08/0x3860
[  294.415833][    C1]  ? do_file_open+0x23e/0x4a0
[  294.415852][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  294.415873][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  294.415894][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  294.415913][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  294.415934][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  294.415953][    C1]  ? __lock_acquire+0x6b5/0x2cf0
[  294.415975][    C1]  ? unwind_next_frame+0xa5/0x23c0
[  294.415998][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  294.416017][    C1]  ? is_bpf_text_address+0x292/0x2b0
[  294.416034][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  294.416052][    C1]  ? kernel_text_address+0xa5/0xe0
[  294.416069][    C1]  ? __kernel_text_address+0xd/0x30
[  294.416085][    C1]  ? unwind_get_return_address+0x4d/0x90
[  294.416105][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  294.416121][    C1]  ? arch_stack_walk+0xfb/0x150
[  294.416140][    C1]  ? stack_trace_save+0xa9/0x100
[  294.416156][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  294.416171][    C1]  ? kasan_save_free_info+0x46/0x50
[  294.416188][    C1]  ? stack_depot_save_flags+0x33/0x810
[  294.416209][    C1]  ? format_decode+0x70/0xe10
[  294.416229][    C1]  ? kasan_save_track+0x4f/0x80
[  294.416245][    C1]  ? kasan_save_track+0x3e/0x80
[  294.416261][    C1]  ? kasan_save_free_info+0x46/0x50
[  294.416275][    C1]  ? __kasan_slab_free+0x5c/0x80
[  294.416292][    C1]  ? kfree+0x1c1/0x630
[  294.416308][    C1]  ? tomoyo_path_number_perm+0x501/0x630
[  294.416326][    C1]  ? security_file_ioctl+0xc3/0x2a0
[  294.416342][    C1]  ? __se_sys_ioctl+0x47/0x170
[  294.416360][    C1]  ? do_syscall_64+0x14d/0xf80
[  294.416375][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.416393][    C1]  ? __asan_memset+0x22/0x50
[  294.416409][    C1]  ? blk_get_meta_cap+0x16d/0x7a0
[  294.416428][    C1]  ? __pfx_blk_get_meta_cap+0x10/0x10
[  294.416448][    C1]  ? blkdev_common_ioctl+0x14b7/0x3250
[  294.416479][    C1]  ? do_vfs_ioctl+0x1166/0x1530
[  294.416500][    C1]  ? __pfx_do_vfs_ioctl+0x10/0x10
[  294.416525][    C1]  ? kasan_quarantine_put+0xbb/0x1f0
[  294.416549][    C1]  ? __pfx_lo_ioctl+0x10/0x10
[  294.416566][    C1]  blkdev_ioctl+0x5e3/0x740
[  294.416585][    C1]  ? __pfx_blkdev_ioctl+0x10/0x10
[  294.416602][    C1]  ? rcu_is_watching+0x15/0xb0
[  294.416623][    C1]  ? bpf_lsm_file_ioctl+0x9/0x20
[  294.416643][    C1]  ? __pfx_blkdev_ioctl+0x10/0x10
[  294.416660][    C1]  __se_sys_ioctl+0xfc/0x170
[  294.416680][    C1]  do_syscall_64+0x14d/0xf80
[  294.416695][    C1]  ? trace_irq_disable+0x3b/0x150
[  294.416710][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.416725][    C1]  ? clear_bhb_loop+0x40/0x90
[  294.416742][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.416765][    C1] RIP: 0033:0x7f678059c42b
[  294.416779][    C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[  294.416792][    C1] RSP: 002b:00007ffd9de43410 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  294.416807][    C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f678059c42b
[  294.416817][    C1] RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
[  294.416827][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  294.416836][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  294.416846][    C1] R13: 00007ffd9de43540 R14: 00007ffd9de43500 R15: 00007f6777600000
[  294.416864][    C1]  </TASK>
[  294.417786][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  294.417815][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  294.417836][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  294.417847][   T31] Call Trace:
[  294.417855][   T31]  <TASK>
[  294.417863][   T31]  vpanic+0x56c/0xa60
[  294.417889][   T31]  ? __pfx___schedule+0x10/0x10
[  294.417907][   T31]  ? __pfx_vpanic+0x10/0x10
[  294.417939][   T31]  panic+0xc5/0xd0
[  294.417960][   T31]  ? __pfx_panic+0x10/0x10
[  294.417985][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  294.418010][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  294.418037][   T31]  watchdog+0x1023/0x1030
[  294.418060][   T31]  ? watchdog+0x21a/0x1030
[  294.418085][   T31]  kthread+0x388/0x470
[  294.418104][   T31]  ? __pfx_watchdog+0x10/0x10
[  294.418121][   T31]  ? __pfx_kthread+0x10/0x10
[  294.418141][   T31]  ret_from_fork+0x51e/0xb90
[  294.418166][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  294.418188][   T31]  ? __switch_to+0xc7d/0x1450
[  294.418212][   T31]  ? __pfx_kthread+0x10/0x10
[  294.418235][   T31]  ret_from_fork_asm+0x1a/0x30
[  294.418275][   T31]  </TASK>
[  294.421715][   T31] Kernel Offset: disabled