[ 586.922538][T10605] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 586.922549][T10605] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 586.922559][T10605] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 586.922569][T10605] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 586.922594][T10605]
[ 586.922617][T10605] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 587.069297][T10604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 587.072735][T10605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 587.129352][T10606] loop2: detected capacity change from 0 to 32768
[ 587.150120][T10607] loop0: detected capacity change from 0 to 32768
[ 587.568502][T10607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 587.582629][T10606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 587.601493][T10607] CPU: 0 UID: 0 PID: 10607 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 587.601518][T10607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 587.601528][T10607] Call Trace:
[ 587.601535][T10607]
[ 587.601542][T10607] dump_stack_lvl+0xe8/0x150
[ 587.601569][T10607] sysfs_create_dir_ns+0x271/0x2a0
[ 587.601594][T10607] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 587.601615][T10607] ? do_raw_spin_unlock+0xf5/0x210
[ 587.601637][T10607] kobject_add_internal+0x62b/0xd00
[ 587.601665][T10607] kobject_init_and_add+0x12b/0x1a0
[ 587.601691][T10607] ? __pfx_kobject_init_and_add+0x10/0x10
[ 587.601712][T10607] ? __raw_spin_lock_init+0x45/0x100
[ 587.601730][T10607] ? __init_swait_queue_head+0xa9/0x150
[ 587.601750][T10607] gfs2_sys_fs_add+0x257/0x480
[ 587.601769][T10607] ? is_dynamic_key+0x1ac/0x1c0
[ 587.601790][T10607] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 587.601816][T10607] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 587.601845][T10607] gfs2_fill_super+0x13a7/0x21d0
[ 587.601874][T10607] ? __pfx_gfs2_fill_super+0x10/0x10
[ 587.601893][T10607] ? sb_set_blocksize+0x155/0x240
[ 587.601916][T10607] ? setup_bdev_super+0x4c1/0x5b0
[ 587.601936][T10607] get_tree_bdev_flags+0x431/0x4f0
[ 587.601953][T10607] ? __pfx_gfs2_fill_super+0x10/0x10
[ 587.601967][T10607] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 587.601981][T10607] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 587.602007][T10607] gfs2_get_tree+0x51/0x1e0
[ 587.602024][T10607] vfs_get_tree+0x92/0x2a0
[ 587.602042][T10607] do_new_mount+0x341/0xd30
[ 587.602061][T10607] ? apparmor_capable+0x126/0x170
[ 587.602081][T10607] ? __pfx_do_new_mount+0x10/0x10
[ 587.602117][T10607] ? ns_capable+0x89/0xe0
[ 587.602148][T10607] ? user_path_at+0xd4/0x160
[ 587.602164][T10607] __se_sys_mount+0x31d/0x420
[ 587.602190][T10607] ? __pfx___se_sys_mount+0x10/0x10
[ 587.602214][T10607] ? __x64_sys_mount+0x20/0xc0
[ 587.602232][T10607] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.602248][T10607] do_syscall_64+0x15f/0xf80
[ 587.602268][T10607] ? trace_irq_disable+0x3b/0x140
[ 587.602285][T10607] ? clear_bhb_loop+0x40/0x90
[ 587.602304][T10607] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.602318][T10607] RIP: 0033:0x7f335e6dba9a
[ 587.602334][T10607] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 587.602346][T10607] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 587.602370][T10607] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 587.602381][T10607] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 587.602392][T10607] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 587.602401][T10607] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 587.602411][T10607] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 587.602435][T10607]
[ 587.602462][T10607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 587.725401][T10606] CPU: 1 UID: 0 PID: 10606 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 587.725424][T10606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 587.725434][T10606] Call Trace:
[ 587.725441][T10606]
[ 587.725449][T10606] dump_stack_lvl+0xe8/0x150
[ 587.725477][T10606] sysfs_create_dir_ns+0x271/0x2a0
[ 587.725504][T10606] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 587.725526][T10606] ? do_raw_spin_unlock+0xf5/0x210
[ 587.725549][T10606] kobject_add_internal+0x62b/0xd00
[ 587.725579][T10606] kobject_init_and_add+0x12b/0x1a0
[ 587.725606][T10606] ? __pfx_kobject_init_and_add+0x10/0x10
[ 587.725628][T10606] ? __raw_spin_lock_init+0x45/0x100
[ 587.725647][T10606] ? __init_swait_queue_head+0xa9/0x150
[ 587.725668][T10606] gfs2_sys_fs_add+0x257/0x480
[ 587.725687][T10606] ? is_dynamic_key+0x1ac/0x1c0
[ 587.725709][T10606] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 587.725735][T10606] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 587.725765][T10606] gfs2_fill_super+0x13a7/0x21d0
[ 587.725795][T10606] ? __pfx_gfs2_fill_super+0x10/0x10
[ 587.725815][T10606] ? sb_set_blocksize+0x155/0x240
[ 587.725838][T10606] ? setup_bdev_super+0x4c1/0x5b0
[ 587.725858][T10606] get_tree_bdev_flags+0x431/0x4f0
[ 587.725875][T10606] ? __pfx_gfs2_fill_super+0x10/0x10
[ 587.725890][T10606] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 587.725905][T10606] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 587.725930][T10606] gfs2_get_tree+0x51/0x1e0
[ 587.725949][T10606] vfs_get_tree+0x92/0x2a0
[ 587.725968][T10606] do_new_mount+0x341/0xd30
[ 587.725987][T10606] ? apparmor_capable+0x126/0x170
[ 587.726008][T10606] ? __pfx_do_new_mount+0x10/0x10
[ 587.726028][T10606] ? ns_capable+0x89/0xe0
[ 587.726057][T10606] ? user_path_at+0xd4/0x160
[ 587.726074][T10606] __se_sys_mount+0x31d/0x420
[ 587.726114][T10606] ? __pfx___se_sys_mount+0x10/0x10
[ 587.726139][T10606] ? __x64_sys_mount+0x20/0xc0
[ 587.726158][T10606] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.726176][T10606] do_syscall_64+0x15f/0xf80
[ 587.726196][T10606] ? trace_irq_disable+0x3b/0x140
[ 587.726216][T10606] ? clear_bhb_loop+0x40/0x90
executing program
[ 587.726237][T10606] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.726253][T10606] RIP: 0033:0x7f335e6dba9a
[ 587.726270][T10606] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 587.726283][T10606] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 587.726300][T10606] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 587.726312][T10606] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 587.726370][T10606] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 587.726381][T10606] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 587.726390][T10606] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 587.726416][T10606]
[ 587.726440][T10606] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 587.729615][T10607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 587.805316][T10606] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[ 589.002593][T10612] loop3: detected capacity change from 0 to 32768
[ 589.014116][T10612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 589.031802][T10612] CPU: 1 UID: 0 PID: 10612 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 589.031828][T10612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 589.031844][T10612] Call Trace:
[ 589.031851][T10612]
[ 589.031859][T10612] dump_stack_lvl+0xe8/0x150
[ 589.031888][T10612] sysfs_create_dir_ns+0x271/0x2a0
[ 589.031915][T10612] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 589.031938][T10612] ? do_raw_spin_unlock+0xf5/0x210
[ 589.031962][T10612] kobject_add_internal+0x62b/0xd00
[ 589.031992][T10612] kobject_init_and_add+0x12b/0x1a0
[ 589.032020][T10612] ? __pfx_kobject_init_and_add+0x10/0x10
[ 589.032043][T10612] ? __raw_spin_lock_init+0x45/0x100
[ 589.032063][T10612] ? __init_swait_queue_head+0xa9/0x150
[ 589.032085][T10612] gfs2_sys_fs_add+0x257/0x480
[ 589.032106][T10612] ? is_dynamic_key+0x1ac/0x1c0
[ 589.032128][T10612] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 589.032156][T10612] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 589.032188][T10612] gfs2_fill_super+0x13a7/0x21d0
[ 589.032220][T10612] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.032247][T10612] ? sb_set_blocksize+0x155/0x240
[ 589.032281][T10612] ? setup_bdev_super+0x4c1/0x5b0
[ 589.032302][T10612] get_tree_bdev_flags+0x431/0x4f0
[ 589.032318][T10612] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.032333][T10612] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 589.032348][T10612] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 589.032373][T10612] gfs2_get_tree+0x51/0x1e0
[ 589.032390][T10612] vfs_get_tree+0x92/0x2a0
[ 589.032407][T10612] do_new_mount+0x341/0xd30
[ 589.032425][T10612] ? apparmor_capable+0x126/0x170
[ 589.032446][T10612] ? __pfx_do_new_mount+0x10/0x10
[ 589.032465][T10612] ? ns_capable+0x89/0xe0
[ 589.032495][T10612] ? user_path_at+0xd4/0x160
[ 589.032512][T10612] __se_sys_mount+0x31d/0x420
[ 589.032538][T10612] ? __pfx___se_sys_mount+0x10/0x10
[ 589.032564][T10612] ? __x64_sys_mount+0x20/0xc0
[ 589.032584][T10612] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.032602][T10612] do_syscall_64+0x15f/0xf80
[ 589.032621][T10612] ? trace_irq_disable+0x3b/0x140
[ 589.032639][T10612] ? clear_bhb_loop+0x40/0x90
[ 589.032659][T10612] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.032675][T10612] RIP: 0033:0x7f335e6dba9a
[ 589.032692][T10612] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 589.032704][T10612] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 589.032723][T10612] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 589.032735][T10612] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 589.032746][T10612] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 589.032757][T10612] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 589.032767][T10612] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 589.032793][T10612]
[ 589.032818][T10612] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 589.367943][T10618] loop0: detected capacity change from 0 to 32768
[ 589.437309][T10619] loop2: detected capacity change from 0 to 32768
[ 589.465209][T10612] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 589.472648][T10618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 589.486352][T10619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 589.505794][T10619] CPU: 1 UID: 0 PID: 10619 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 589.505820][T10619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 589.505831][T10619] Call Trace:
[ 589.505838][T10619]
[ 589.505845][T10619] dump_stack_lvl+0xe8/0x150
[ 589.505876][T10619] sysfs_create_dir_ns+0x271/0x2a0
[ 589.505902][T10619] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 589.505934][T10619] ? do_raw_spin_unlock+0xf5/0x210
[ 589.505957][T10619] kobject_add_internal+0x62b/0xd00
[ 589.505987][T10619] kobject_init_and_add+0x12b/0x1a0
[ 589.506014][T10619] ? __pfx_kobject_init_and_add+0x10/0x10
[ 589.506037][T10619] ? __raw_spin_lock_init+0x45/0x100
[ 589.506056][T10619] ? __init_swait_queue_head+0xa9/0x150
[ 589.506077][T10619] gfs2_sys_fs_add+0x257/0x480
[ 589.506096][T10619] ? is_dynamic_key+0x1ac/0x1c0
[ 589.506117][T10619] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 589.506145][T10619] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 589.506174][T10619] gfs2_fill_super+0x13a7/0x21d0
[ 589.506206][T10619] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.506226][T10619] ? sb_set_blocksize+0x155/0x240
[ 589.506251][T10619] ? setup_bdev_super+0x4c1/0x5b0
[ 589.506272][T10619] get_tree_bdev_flags+0x431/0x4f0
[ 589.506290][T10619] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.506305][T10619] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 589.506321][T10619] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 589.506347][T10619] gfs2_get_tree+0x51/0x1e0
[ 589.506366][T10619] vfs_get_tree+0x92/0x2a0
[ 589.506386][T10619] do_new_mount+0x341/0xd30
[ 589.506405][T10619] ? apparmor_capable+0x126/0x170
[ 589.506426][T10619] ? __pfx_do_new_mount+0x10/0x10
[ 589.506446][T10619] ? ns_capable+0x89/0xe0
[ 589.506479][T10619] ? user_path_at+0xd4/0x160
[ 589.506497][T10619] __se_sys_mount+0x31d/0x420
[ 589.506525][T10619] ? __pfx___se_sys_mount+0x10/0x10
[ 589.506551][T10619] ? __x64_sys_mount+0x20/0xc0
[ 589.506570][T10619] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.506587][T10619] do_syscall_64+0x15f/0xf80
[ 589.506606][T10619] ? trace_irq_disable+0x3b/0x140
[ 589.506625][T10619] ? clear_bhb_loop+0x40/0x90
[ 589.506643][T10619] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.506658][T10619] RIP: 0033:0x7f335e6dba9a
[ 589.506674][T10619] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 589.506687][T10619] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 589.506705][T10619] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 589.506717][T10619] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 589.506728][T10619] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 589.506738][T10619] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 589.506748][T10619] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 589.506773][T10619]
[ 589.506798][T10619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 589.574002][T10618] CPU: 0 UID: 0 PID: 10618 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 589.574026][T10618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 589.574036][T10618] Call Trace:
[ 589.574043][T10618]
[ 589.574050][T10618] dump_stack_lvl+0xe8/0x150
[ 589.574078][T10618] sysfs_create_dir_ns+0x271/0x2a0
[ 589.574102][T10618] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 589.574126][T10618] ? do_raw_spin_unlock+0xf5/0x210
[ 589.574147][T10618] kobject_add_internal+0x62b/0xd00
[ 589.574184][T10618] kobject_init_and_add+0x12b/0x1a0
[ 589.574210][T10618] ? __pfx_kobject_init_and_add+0x10/0x10
[ 589.574233][T10618] ? __raw_spin_lock_init+0x45/0x100
[ 589.574252][T10618] ? __init_swait_queue_head+0xa9/0x150
[ 589.574273][T10618] gfs2_sys_fs_add+0x257/0x480
[ 589.574292][T10618] ? is_dynamic_key+0x1ac/0x1c0
[ 589.574312][T10618] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 589.574339][T10618] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 589.574368][T10618] gfs2_fill_super+0x13a7/0x21d0
[ 589.574398][T10618] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.574418][T10618] ? sb_set_blocksize+0x155/0x240
[ 589.574442][T10618] ? setup_bdev_super+0x4c1/0x5b0
[ 589.574462][T10618] get_tree_bdev_flags+0x431/0x4f0
[ 589.574479][T10618] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.574494][T10618] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 589.574509][T10618] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 589.574536][T10618] gfs2_get_tree+0x51/0x1e0
[ 589.574554][T10618] vfs_get_tree+0x92/0x2a0
[ 589.574572][T10618] do_new_mount+0x341/0xd30
[ 589.574592][T10618] ? apparmor_capable+0x126/0x170
[ 589.574612][T10618] ? __pfx_do_new_mount+0x10/0x10
[ 589.574632][T10618] ? ns_capable+0x89/0xe0
[ 589.574661][T10618] ? user_path_at+0xd4/0x160
[ 589.574678][T10618] __se_sys_mount+0x31d/0x420
[ 589.574703][T10618] ? __pfx___se_sys_mount+0x10/0x10
[ 589.574731][T10618] ? __x64_sys_mount+0x20/0xc0
[ 589.574751][T10618] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.574767][T10618] do_syscall_64+0x15f/0xf80
[ 589.574786][T10618] ? trace_irq_disable+0x3b/0x140
[ 589.574805][T10618] ? clear_bhb_loop+0x40/0x90
[ 589.574824][T10618] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.574839][T10618] RIP: 0033:0x7f335e6dba9a
[ 589.574854][T10618] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 589.574867][T10618] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 589.574885][T10618] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 589.574896][T10618] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 589.574907][T10618] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 589.574917][T10618] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
executing program
[ 589.574928][T10618] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 589.574953][T10618]
[ 589.574984][T10618] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 589.680082][T10619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 590.026724][T10618] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 590.092419][T10620] loop4: detected capacity change from 0 to 32768
[ 590.150926][T10620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 590.158762][T10620] CPU: 0 UID: 0 PID: 10620 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 590.158785][T10620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 590.158795][T10620] Call Trace:
[ 590.158803][T10620]
[ 590.158810][T10620] dump_stack_lvl+0xe8/0x150
[ 590.158840][T10620] sysfs_create_dir_ns+0x271/0x2a0
[ 590.158865][T10620] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 590.158892][T10620] ? do_raw_spin_unlock+0xf5/0x210
[ 590.158915][T10620] kobject_add_internal+0x62b/0xd00
[ 590.158947][T10620] kobject_init_and_add+0x12b/0x1a0
[ 590.158973][T10620] ? __pfx_kobject_init_and_add+0x10/0x10
[ 590.158997][T10620] ? __raw_spin_lock_init+0x45/0x100
[ 590.159017][T10620] ? __init_swait_queue_head+0xa9/0x150
[ 590.159040][T10620] gfs2_sys_fs_add+0x257/0x480
[ 590.159059][T10620] ? is_dynamic_key+0x1ac/0x1c0
[ 590.159081][T10620] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 590.159108][T10620] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 590.159146][T10620] gfs2_fill_super+0x13a7/0x21d0
[ 590.159177][T10620] ? __pfx_gfs2_fill_super+0x10/0x10
[ 590.159198][T10620] ? sb_set_blocksize+0x155/0x240
[ 590.159223][T10620] ? setup_bdev_super+0x4c1/0x5b0
[ 590.159243][T10620] get_tree_bdev_flags+0x431/0x4f0
[ 590.159261][T10620] ? __pfx_gfs2_fill_super+0x10/0x10
[ 590.159277][T10620] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 590.159292][T10620] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 590.159318][T10620] gfs2_get_tree+0x51/0x1e0
[ 590.159337][T10620] vfs_get_tree+0x92/0x2a0
[ 590.159357][T10620] do_new_mount+0x341/0xd30
[ 590.159377][T10620] ? apparmor_capable+0x126/0x170
[ 590.159398][T10620] ? __pfx_do_new_mount+0x10/0x10
[ 590.159418][T10620] ? ns_capable+0x89/0xe0
[ 590.159449][T10620] ? user_path_at+0xd4/0x160
[ 590.159467][T10620] __se_sys_mount+0x31d/0x420
[ 590.159493][T10620] ? __pfx___se_sys_mount+0x10/0x10
[ 590.159519][T10620] ? __x64_sys_mount+0x20/0xc0
[ 590.159539][T10620] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.159558][T10620] do_syscall_64+0x15f/0xf80
[ 590.159576][T10620] ? trace_irq_disable+0x3b/0x140
[ 590.159594][T10620] ? clear_bhb_loop+0x40/0x90
[ 590.159614][T10620] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.159630][T10620] RIP: 0033:0x7f335e6dba9a
[ 590.159645][T10620] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 590.159658][T10620] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 590.159676][T10620] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 590.159688][T10620] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 590.159700][T10620] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 590.159711][T10620] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 590.159721][T10620] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 590.159753][T10620]
executing program
[ 590.160329][T10620] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 590.485865][T10620] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[ 591.284775][T10630] loop3: detected capacity change from 0 to 32768
[ 591.306359][T10630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 591.343577][T10630] CPU: 1 UID: 0 PID: 10630 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 591.343603][T10630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 591.343614][T10630] Call Trace:
[ 591.343621][T10630]
[ 591.343629][T10630] dump_stack_lvl+0xe8/0x150
[ 591.343658][T10630] sysfs_create_dir_ns+0x271/0x2a0
[ 591.343685][T10630] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 591.343709][T10630] ? do_raw_spin_unlock+0xf5/0x210
[ 591.343733][T10630] kobject_add_internal+0x62b/0xd00
[ 591.343770][T10630] kobject_init_and_add+0x12b/0x1a0
[ 591.343797][T10630] ? __pfx_kobject_init_and_add+0x10/0x10
[ 591.343821][T10630] ? __raw_spin_lock_init+0x45/0x100
[ 591.343841][T10630] ? __init_swait_queue_head+0xa9/0x150
[ 591.343863][T10630] gfs2_sys_fs_add+0x257/0x480
[ 591.343884][T10630] ? is_dynamic_key+0x1ac/0x1c0
[ 591.343904][T10630] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 591.343929][T10630] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 591.343958][T10630] gfs2_fill_super+0x13a7/0x21d0
[ 591.343990][T10630] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.344009][T10630] ? sb_set_blocksize+0x155/0x240
[ 591.344034][T10630] ? setup_bdev_super+0x4c1/0x5b0
[ 591.344054][T10630] get_tree_bdev_flags+0x431/0x4f0
[ 591.344073][T10630] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.344088][T10630] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 591.344103][T10630] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 591.344127][T10630] gfs2_get_tree+0x51/0x1e0
[ 591.344146][T10630] vfs_get_tree+0x92/0x2a0
[ 591.344166][T10630] do_new_mount+0x341/0xd30
[ 591.344186][T10630] ? apparmor_capable+0x126/0x170
[ 591.344207][T10630] ? __pfx_do_new_mount+0x10/0x10
[ 591.344228][T10630] ? ns_capable+0x89/0xe0
[ 591.344259][T10630] ? user_path_at+0xd4/0x160
[ 591.344278][T10630] __se_sys_mount+0x31d/0x420
[ 591.344304][T10630] ? __pfx___se_sys_mount+0x10/0x10
[ 591.344331][T10630] ? __x64_sys_mount+0x20/0xc0
[ 591.344350][T10630] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.344368][T10630] do_syscall_64+0x15f/0xf80
[ 591.344387][T10630] ? trace_irq_disable+0x3b/0x140
[ 591.344406][T10630] ? clear_bhb_loop+0x40/0x90
[ 591.344426][T10630] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.344442][T10630] RIP: 0033:0x7f335e6dba9a
[ 591.344458][T10630] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 591.344471][T10630] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 591.344489][T10630] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 591.344500][T10630] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 591.344511][T10630] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 591.344519][T10630] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 591.344529][T10630] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 591.344553][T10630]
[ 591.709101][T10633] loop2: detected capacity change from 0 to 32768
[ 591.808597][T10633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 591.819143][T10633] CPU: 0 UID: 0 PID: 10633 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 591.819168][T10633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 591.819178][T10633] Call Trace:
[ 591.819186][T10633]
[ 591.819193][T10633] dump_stack_lvl+0xe8/0x150
[ 591.819223][T10633] sysfs_create_dir_ns+0x271/0x2a0
[ 591.819249][T10633] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 591.819273][T10633] ? do_raw_spin_unlock+0xf5/0x210
[ 591.819296][T10633] kobject_add_internal+0x62b/0xd00
[ 591.819327][T10633] kobject_init_and_add+0x12b/0x1a0
[ 591.819354][T10633] ? __pfx_kobject_init_and_add+0x10/0x10
[ 591.819378][T10633] ? __raw_spin_lock_init+0x45/0x100
[ 591.819398][T10633] ? __init_swait_queue_head+0xa9/0x150
[ 591.819420][T10633] gfs2_sys_fs_add+0x257/0x480
[ 591.819439][T10633] ? is_dynamic_key+0x1ac/0x1c0
[ 591.819461][T10633] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 591.819490][T10633] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 591.819521][T10633] gfs2_fill_super+0x13a7/0x21d0
[ 591.819552][T10633] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.819573][T10633] ? sb_set_blocksize+0x155/0x240
[ 591.819598][T10633] ? setup_bdev_super+0x4c1/0x5b0
[ 591.819619][T10633] get_tree_bdev_flags+0x431/0x4f0
[ 591.819637][T10633] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.819653][T10633] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 591.819668][T10633] ? __pfx_vfs_parse_comma_sep+0x10/0x10
executing program
[ 591.819701][T10633] gfs2_get_tree+0x51/0x1e0
[ 591.819720][T10633] vfs_get_tree+0x92/0x2a0
[ 591.819740][T10633] do_new_mount+0x341/0xd30
[ 591.819759][T10633] ? apparmor_capable+0x126/0x170
[ 591.819781][T10633] ? __pfx_do_new_mount+0x10/0x10
[ 591.819801][T10633] ? ns_capable+0x89/0xe0
[ 591.819833][T10633] ? user_path_at+0xd4/0x160
[ 591.819850][T10633] __se_sys_mount+0x31d/0x420
[ 591.819877][T10633] ? __pfx___se_sys_mount+0x10/0x10
[ 591.819903][T10633] ? __x64_sys_mount+0x20/0xc0
[ 591.819923][T10633] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.819939][T10633] do_syscall_64+0x15f/0xf80
[ 591.819959][T10633] ? trace_irq_disable+0x3b/0x140
[ 591.819978][T10633] ? clear_bhb_loop+0x40/0x90
[ 591.819999][T10633] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.820015][T10633] RIP: 0033:0x7f335e6dba9a
[ 591.820030][T10633] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 591.820044][T10633] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 591.820062][T10633] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 591.820073][T10633] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 591.820085][T10633] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 591.820096][T10633] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 591.820106][T10633] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 591.820133][T10633]
[ 591.820156][T10633] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 591.851431][T10634] loop0: detected capacity change from 0 to 32768
[ 591.969460][T10633] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 592.134051][T10630] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 592.169921][T10632] loop4: detected capacity change from 0 to 32768
[ 592.188975][T10630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 592.209499][T10634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 592.246211][T10632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 592.253823][T10632] CPU: 1 UID: 0 PID: 10632 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 592.253847][T10632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 592.253858][T10632] Call Trace:
[ 592.253865][T10632]
[ 592.253877][T10632] dump_stack_lvl+0xe8/0x150
[ 592.253903][T10632] sysfs_create_dir_ns+0x271/0x2a0
[ 592.253929][T10632] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 592.253950][T10632] ? do_raw_spin_unlock+0xf5/0x210
[ 592.253981][T10632] kobject_add_internal+0x62b/0xd00
[ 592.254012][T10632] kobject_init_and_add+0x12b/0x1a0
[ 592.254038][T10632] ? __pfx_kobject_init_and_add+0x10/0x10
[ 592.254061][T10632] ? __raw_spin_lock_init+0x45/0x100
[ 592.254081][T10632] ? __init_swait_queue_head+0xa9/0x150
[ 592.254100][T10632] gfs2_sys_fs_add+0x257/0x480
[ 592.254119][T10632] ? is_dynamic_key+0x1ac/0x1c0
[ 592.254139][T10632] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 592.254165][T10632] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 592.254195][T10632] gfs2_fill_super+0x13a7/0x21d0
[ 592.254225][T10632] ? __pfx_gfs2_fill_super+0x10/0x10
[ 592.254246][T10632] ? sb_set_blocksize+0x155/0x240
[ 592.254271][T10632] ? setup_bdev_super+0x4c1/0x5b0
[ 592.254291][T10632] get_tree_bdev_flags+0x431/0x4f0
[ 592.254309][T10632] ? __pfx_gfs2_fill_super+0x10/0x10
[ 592.254325][T10632] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 592.254340][T10632] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 592.254367][T10632] gfs2_get_tree+0x51/0x1e0
[ 592.254386][T10632] vfs_get_tree+0x92/0x2a0
[ 592.254406][T10632] do_new_mount+0x341/0xd30
[ 592.254425][T10632] ? apparmor_capable+0x126/0x170
[ 592.254446][T10632] ? __pfx_do_new_mount+0x10/0x10
[ 592.254466][T10632] ? ns_capable+0x89/0xe0
[ 592.254498][T10632] ? user_path_at+0xd4/0x160
[ 592.254515][T10632] __se_sys_mount+0x31d/0x420
[ 592.254541][T10632] ? __pfx___se_sys_mount+0x10/0x10
[ 592.254567][T10632] ? __x64_sys_mount+0x20/0xc0
[ 592.254587][T10632] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.254604][T10632] do_syscall_64+0x15f/0xf80
[ 592.254624][T10632] ? trace_irq_disable+0x3b/0x140
[ 592.254643][T10632] ? clear_bhb_loop+0x40/0x90
[ 592.254662][T10632] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.254678][T10632] RIP: 0033:0x7f335e6dba9a
[ 592.254695][T10632] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 592.254708][T10632] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 592.254726][T10632] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 592.254738][T10632] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 592.254749][T10632] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 592.254760][T10632] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 592.254770][T10632] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 592.254797][T10632]
[ 592.544988][T10634] CPU: 0 UID: 0 PID: 10634 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 592.545010][T10634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 592.545019][T10634] Call Trace:
[ 592.545027][T10634]
[ 592.545034][T10634] dump_stack_lvl+0xe8/0x150
[ 592.545062][T10634] sysfs_create_dir_ns+0x271/0x2a0
[ 592.545085][T10634] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 592.545107][T10634] ? do_raw_spin_unlock+0xf5/0x210
[ 592.545128][T10634] kobject_add_internal+0x62b/0xd00
[ 592.545159][T10634] kobject_init_and_add+0x12b/0x1a0
[ 592.545186][T10634] ? __pfx_kobject_init_and_add+0x10/0x10
[ 592.545210][T10634] ? __raw_spin_lock_init+0x45/0x100
[ 592.545230][T10634] ? __init_swait_queue_head+0xa9/0x150
[ 592.545252][T10634] gfs2_sys_fs_add+0x257/0x480
[ 592.545272][T10634] ? is_dynamic_key+0x1ac/0x1c0
[ 592.545294][T10634] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 592.545321][T10634] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 592.545353][T10634] gfs2_fill_super+0x13a7/0x21d0
[ 592.545384][T10634] ? __pfx_gfs2_fill_super+0x10/0x10
[ 592.545404][T10634] ? sb_set_blocksize+0x155/0x240
[ 592.545428][T10634] ? setup_bdev_super+0x4c1/0x5b0
[ 592.545447][T10634] get_tree_bdev_flags+0x431/0x4f0
[ 592.545463][T10634] ? __pfx_gfs2_fill_super+0x10/0x10
[ 592.545477][T10634] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 592.545491][T10634] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 592.545515][T10634] gfs2_get_tree+0x51/0x1e0
[ 592.545533][T10634] vfs_get_tree+0x92/0x2a0
[ 592.545551][T10634] do_new_mount+0x341/0xd30
[ 592.545569][T10634] ? apparmor_capable+0x126/0x170
[ 592.545585][T10634] ? __pfx_do_new_mount+0x10/0x10
[ 592.545602][T10634] ? ns_capable+0x89/0xe0
[ 592.545631][T10634] ? user_path_at+0xd4/0x160
[ 592.545645][T10634] __se_sys_mount+0x31d/0x420
[ 592.545669][T10634] ? __pfx___se_sys_mount+0x10/0x10
[ 592.545700][T10634] ? __x64_sys_mount+0x20/0xc0
[ 592.545718][T10634] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.545735][T10634] do_syscall_64+0x15f/0xf80
[ 592.545753][T10634] ? trace_irq_disable+0x3b/0x140
[ 592.545771][T10634] ? clear_bhb_loop+0x40/0x90
[ 592.545790][T10634] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.545806][T10634] RIP: 0033:0x7f335e6dba9a
[ 592.545820][T10634] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 592.545831][T10634] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 592.545847][T10634] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 592.545858][T10634] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 592.545868][T10634] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 592.545878][T10634] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 592.545888][T10634] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 592.545914][T10634]
[ 592.545939][T10634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 592.883984][T10632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 592.898320][T10632] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 593.076499][T10634] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[ 593.915832][T10644] loop2: detected capacity change from 0 to 32768
[ 593.945163][T10644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 593.987069][T10644] CPU: 1 UID: 0 PID: 10644 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 593.987096][T10644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 593.987106][T10644] Call Trace:
[ 593.987114][T10644]
[ 593.987122][T10644] dump_stack_lvl+0xe8/0x150
[ 593.987151][T10644] sysfs_create_dir_ns+0x271/0x2a0
[ 593.987182][T10644] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 593.987206][T10644] ? do_raw_spin_unlock+0xf5/0x210
[ 593.987229][T10644] kobject_add_internal+0x62b/0xd00
[ 593.987260][T10644] kobject_init_and_add+0x12b/0x1a0
[ 593.987285][T10644] ? __pfx_kobject_init_and_add+0x10/0x10
[ 593.987308][T10644] ? __raw_spin_lock_init+0x45/0x100
[ 593.987327][T10644] ? __init_swait_queue_head+0xa9/0x150
[ 593.987347][T10644] gfs2_sys_fs_add+0x257/0x480
[ 593.987366][T10644] ? is_dynamic_key+0x1ac/0x1c0
[ 593.987388][T10644] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 593.987416][T10644] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 593.987446][T10644] gfs2_fill_super+0x13a7/0x21d0
[ 593.987477][T10644] ? __pfx_gfs2_fill_super+0x10/0x10
[ 593.987498][T10644] ? sb_set_blocksize+0x155/0x240
[ 593.987523][T10644] ? setup_bdev_super+0x4c1/0x5b0
[ 593.987544][T10644] get_tree_bdev_flags+0x431/0x4f0
[ 593.987562][T10644] ? __pfx_gfs2_fill_super+0x10/0x10
[ 593.987578][T10644] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 593.987594][T10644] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 593.987621][T10644] gfs2_get_tree+0x51/0x1e0
[ 593.987641][T10644] vfs_get_tree+0x92/0x2a0
[ 593.987660][T10644] do_new_mount+0x341/0xd30
[ 593.987680][T10644] ? apparmor_capable+0x126/0x170
[ 593.987710][T10644] ? __pfx_do_new_mount+0x10/0x10
[ 593.987731][T10644] ? ns_capable+0x89/0xe0
[ 593.987762][T10644] ? user_path_at+0xd4/0x160
[ 593.987780][T10644] __se_sys_mount+0x31d/0x420
[ 593.987806][T10644] ? __pfx___se_sys_mount+0x10/0x10
[ 593.987833][T10644] ? __x64_sys_mount+0x20/0xc0
[ 593.987852][T10644] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.987869][T10644] do_syscall_64+0x15f/0xf80
[ 593.987889][T10644] ? trace_irq_disable+0x3b/0x140
[ 593.987909][T10644] ? clear_bhb_loop+0x40/0x90
[ 593.987929][T10644] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.987945][T10644] RIP: 0033:0x7f335e6dba9a
[ 593.987962][T10644] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 593.987975][T10644] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 593.987994][T10644] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 593.988006][T10644] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 593.988017][T10644] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 593.988027][T10644] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 593.988038][T10644] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 593.988065][T10644]
[ 593.988099][T10644] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 594.023710][T10645] loop0: detected capacity change from 0 to 32768
[ 594.083932][T10644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 594.279304][T10648] loop4: detected capacity change from 0 to 32768
[ 594.353910][T10647] loop3: detected capacity change from 0 to 32768
[ 594.361210][T10645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 594.384447][T10648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 594.400864][T10645] CPU: 0 UID: 0 PID: 10645 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 594.400889][T10645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 594.400900][T10645] Call Trace:
[ 594.400908][T10645]
[ 594.400916][T10645] dump_stack_lvl+0xe8/0x150
[ 594.400945][T10645] sysfs_create_dir_ns+0x271/0x2a0
[ 594.400970][T10645] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 594.400993][T10645] ? do_raw_spin_unlock+0xf5/0x210
[ 594.401016][T10645] kobject_add_internal+0x62b/0xd00
[ 594.401048][T10645] kobject_init_and_add+0x12b/0x1a0
[ 594.401076][T10645] ? __pfx_kobject_init_and_add+0x10/0x10
[ 594.401100][T10645] ? __raw_spin_lock_init+0x45/0x100
[ 594.401119][T10645] ? __init_swait_queue_head+0xa9/0x150
[ 594.401141][T10645] gfs2_sys_fs_add+0x257/0x480
[ 594.401161][T10645] ? is_dynamic_key+0x1ac/0x1c0
[ 594.401181][T10645] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 594.401207][T10645] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 594.401236][T10645] gfs2_fill_super+0x13a7/0x21d0
[ 594.401266][T10645] ? __pfx_gfs2_fill_super+0x10/0x10
[ 594.401286][T10645] ? sb_set_blocksize+0x155/0x240
[ 594.401312][T10645] ? setup_bdev_super+0x4c1/0x5b0
[ 594.401332][T10645] get_tree_bdev_flags+0x431/0x4f0
[ 594.401351][T10645] ? __pfx_gfs2_fill_super+0x10/0x10
[ 594.401367][T10645] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 594.401382][T10645] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 594.401427][T10645] gfs2_get_tree+0x51/0x1e0
[ 594.401446][T10645] vfs_get_tree+0x92/0x2a0
[ 594.401474][T10645] do_new_mount+0x341/0xd30
[ 594.401494][T10645] ? apparmor_capable+0x126/0x170
[ 594.401516][T10645] ? __pfx_do_new_mount+0x10/0x10
[ 594.401536][T10645] ? ns_capable+0x89/0xe0
[ 594.401564][T10645] ? user_path_at+0xd4/0x160
[ 594.401582][T10645] __se_sys_mount+0x31d/0x420
[ 594.401607][T10645] ? __pfx___se_sys_mount+0x10/0x10
[ 594.401635][T10645] ? __x64_sys_mount+0x20/0xc0
[ 594.401655][T10645] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.401673][T10645] do_syscall_64+0x15f/0xf80
[ 594.401693][T10645] ? trace_irq_disable+0x3b/0x140
[ 594.401711][T10645] ? clear_bhb_loop+0x40/0x90
[ 594.401731][T10645] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.401746][T10645] RIP: 0033:0x7f335e6dba9a
[ 594.401761][T10645] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 594.401774][T10645] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 594.401792][T10645] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 594.401803][T10645] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 594.401813][T10645] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 594.401824][T10645] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 594.401834][T10645] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 594.401859][T10645]
executing program
[ 594.402346][T10645] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 594.604007][T10648] CPU: 1 UID: 0 PID: 10648 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 594.604031][T10648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 594.604041][T10648] Call Trace:
[ 594.604049][T10648]
[ 594.604057][T10648] dump_stack_lvl+0xe8/0x150
[ 594.604095][T10648] sysfs_create_dir_ns+0x271/0x2a0
[ 594.604119][T10648] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 594.604149][T10648] ? do_raw_spin_unlock+0xf5/0x210
[ 594.604172][T10648] kobject_add_internal+0x62b/0xd00
[ 594.604214][T10648] kobject_init_and_add+0x12b/0x1a0
[ 594.604240][T10648] ? __pfx_kobject_init_and_add+0x10/0x10
[ 594.604263][T10648] ? __raw_spin_lock_init+0x45/0x100
[ 594.604282][T10648] ? __init_swait_queue_head+0xa9/0x150
[ 594.604312][T10648] gfs2_sys_fs_add+0x257/0x480
[ 594.604334][T10648] ? is_dynamic_key+0x1ac/0x1c0
[ 594.604356][T10648] ? __pfx_gfs2_sys_fs_add+0x10/0x10
executing program
[ 594.604382][T10648] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 594.604412][T10648] gfs2_fill_super+0x13a7/0x21d0
[ 594.604440][T10648] ? __pfx_gfs2_fill_super+0x10/0x10
[ 594.604460][T10648] ? sb_set_blocksize+0x155/0x240
[ 594.604484][T10648] ? setup_bdev_super+0x4c1/0x5b0
[ 594.604504][T10648] get_tree_bdev_flags+0x431/0x4f0
[ 594.604522][T10648] ? __pfx_gfs2_fill_super+0x10/0x10
[ 594.604536][T10648] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 594.604551][T10648] ? __pfx_vfs_parse_comma_sep+0x10/0x10
executing program
[ 594.604577][T10648] gfs2_get_tree+0x51/0x1e0
[ 594.604596][T10648] vfs_get_tree+0x92/0x2a0
[ 594.604615][T10648] do_new_mount+0x341/0xd30
[ 594.604634][T10648] ? apparmor_capable+0x126/0x170
[ 594.604653][T10648] ? __pfx_do_new_mount+0x10/0x10
[ 594.604672][T10648] ? ns_capable+0x89/0xe0
[ 594.604716][T10648] ? user_path_at+0xd4/0x160
[ 594.604733][T10648] __se_sys_mount+0x31d/0x420
[ 594.604758][T10648] ? __pfx___se_sys_mount+0x10/0x10
[ 594.604783][T10648] ? __x64_sys_mount+0x20/0xc0
[ 594.604802][T10648] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.604819][T10648] do_syscall_64+0x15f/0xf80
[ 594.604838][T10648] ? trace_irq_disable+0x3b/0x140
[ 594.604856][T10648] ? clear_bhb_loop+0x40/0x90
[ 594.604875][T10648] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.604891][T10648] RIP: 0033:0x7f335e6dba9a
[ 594.604907][T10648] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 594.604920][T10648] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 594.604938][T10648] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 594.604949][T10648] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 594.604960][T10648] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 594.604970][T10648] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 594.604980][T10648] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 594.605006][T10648]
[ 594.605061][T10648] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 594.621281][T10645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 594.654559][T10647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 595.004045][T10648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 595.181059][T10647] CPU: 0 UID: 0 PID: 10647 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 595.181082][T10647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 595.181092][T10647] Call Trace:
[ 595.181099][T10647]
[ 595.181107][T10647] dump_stack_lvl+0xe8/0x150
[ 595.181135][T10647] sysfs_create_dir_ns+0x271/0x2a0
[ 595.181161][T10647] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 595.181183][T10647] ? do_raw_spin_unlock+0xf5/0x210
[ 595.181206][T10647] kobject_add_internal+0x62b/0xd00
[ 595.181237][T10647] kobject_init_and_add+0x12b/0x1a0
[ 595.181263][T10647] ? __pfx_kobject_init_and_add+0x10/0x10
[ 595.181287][T10647] ? __raw_spin_lock_init+0x45/0x100
[ 595.181307][T10647] ? __init_swait_queue_head+0xa9/0x150
[ 595.181351][T10647] gfs2_sys_fs_add+0x257/0x480
[ 595.181371][T10647] ? is_dynamic_key+0x1ac/0x1c0
[ 595.181401][T10647] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 595.181428][T10647] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 595.181459][T10647] gfs2_fill_super+0x13a7/0x21d0
[ 595.181489][T10647] ? __pfx_gfs2_fill_super+0x10/0x10
[ 595.181509][T10647] ? sb_set_blocksize+0x155/0x240
[ 595.181533][T10647] ? setup_bdev_super+0x4c1/0x5b0
[ 595.181553][T10647] get_tree_bdev_flags+0x431/0x4f0
[ 595.181571][T10647] ? __pfx_gfs2_fill_super+0x10/0x10
[ 595.181586][T10647] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 595.181601][T10647] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 595.181627][T10647] gfs2_get_tree+0x51/0x1e0
[ 595.181646][T10647] vfs_get_tree+0x92/0x2a0
[ 595.181666][T10647] do_new_mount+0x341/0xd30
[ 595.181685][T10647] ? apparmor_capable+0x126/0x170
[ 595.181705][T10647] ? __pfx_do_new_mount+0x10/0x10
[ 595.181725][T10647] ? ns_capable+0x89/0xe0
[ 595.181756][T10647] ? user_path_at+0xd4/0x160
[ 595.181774][T10647] __se_sys_mount+0x31d/0x420
[ 595.181801][T10647] ? __pfx___se_sys_mount+0x10/0x10
[ 595.181828][T10647] ? __x64_sys_mount+0x20/0xc0
[ 595.181847][T10647] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.181865][T10647] do_syscall_64+0x15f/0xf80
[ 595.181884][T10647] ? trace_irq_disable+0x3b/0x140
[ 595.181903][T10647] ? clear_bhb_loop+0x40/0x90
[ 595.181924][T10647] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.181940][T10647] RIP: 0033:0x7f335e6dba9a
[ 595.181956][T10647] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 595.181969][T10647] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 595.181988][T10647] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 595.182000][T10647] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 595.182011][T10647] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 595.182022][T10647] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 595.182033][T10647] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 595.182059][T10647]
[ 595.182082][T10647] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 595.696003][T10647] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 596.025208][T10657] loop2: detected capacity change from 0 to 32768
[ 596.048324][T10657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 596.069667][T10657] CPU: 0 UID: 0 PID: 10657 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 596.069692][T10657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 596.069703][T10657] Call Trace:
[ 596.069710][T10657]
[ 596.069717][T10657] dump_stack_lvl+0xe8/0x150
[ 596.069747][T10657] sysfs_create_dir_ns+0x271/0x2a0
[ 596.069773][T10657] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 596.069797][T10657] ? do_raw_spin_unlock+0xf5/0x210
[ 596.069820][T10657] kobject_add_internal+0x62b/0xd00
[ 596.069851][T10657] kobject_init_and_add+0x12b/0x1a0
[ 596.069877][T10657] ? __pfx_kobject_init_and_add+0x10/0x10
[ 596.069900][T10657] ? __raw_spin_lock_init+0x45/0x100
[ 596.069920][T10657] ? __init_swait_queue_head+0xa9/0x150
[ 596.069941][T10657] gfs2_sys_fs_add+0x257/0x480
[ 596.069961][T10657] ? is_dynamic_key+0x1ac/0x1c0
[ 596.069983][T10657] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 596.070010][T10657] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 596.070042][T10657] gfs2_fill_super+0x13a7/0x21d0
[ 596.070073][T10657] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.070093][T10657] ? sb_set_blocksize+0x155/0x240
[ 596.070117][T10657] ? setup_bdev_super+0x4c1/0x5b0
[ 596.070138][T10657] get_tree_bdev_flags+0x431/0x4f0
[ 596.070156][T10657] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.070172][T10657] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 596.070188][T10657] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 596.070214][T10657] gfs2_get_tree+0x51/0x1e0
[ 596.070233][T10657] vfs_get_tree+0x92/0x2a0
[ 596.070261][T10657] do_new_mount+0x341/0xd30
[ 596.070282][T10657] ? apparmor_capable+0x126/0x170
[ 596.070303][T10657] ? __pfx_do_new_mount+0x10/0x10
[ 596.070323][T10657] ? ns_capable+0x89/0xe0
[ 596.070353][T10657] ? user_path_at+0xd4/0x160
[ 596.070372][T10657] __se_sys_mount+0x31d/0x420
[ 596.070398][T10657] ? __pfx___se_sys_mount+0x10/0x10
[ 596.070424][T10657] ? __x64_sys_mount+0x20/0xc0
[ 596.070444][T10657] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.070462][T10657] do_syscall_64+0x15f/0xf80
[ 596.070479][T10657] ? trace_irq_disable+0x3b/0x140
[ 596.070498][T10657] ? clear_bhb_loop+0x40/0x90
[ 596.070518][T10657] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.070533][T10657] RIP: 0033:0x7f335e6dba9a
[ 596.070549][T10657] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 596.070563][T10657] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 596.070581][T10657] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 596.070593][T10657] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 596.070603][T10657] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 596.070611][T10657] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 596.070620][T10657] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 596.070644][T10657]
[ 596.070669][T10657] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 596.411701][T10658] loop0: detected capacity change from 0 to 32768
[ 596.549242][T10658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 596.581727][T10658] CPU: 1 UID: 0 PID: 10658 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 596.581752][T10658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 596.581763][T10658] Call Trace:
[ 596.581771][T10658]
[ 596.581779][T10658] dump_stack_lvl+0xe8/0x150
[ 596.581807][T10658] sysfs_create_dir_ns+0x271/0x2a0
[ 596.581833][T10658] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 596.581857][T10658] ? do_raw_spin_unlock+0xf5/0x210
[ 596.581881][T10658] kobject_add_internal+0x62b/0xd00
[ 596.581912][T10658] kobject_init_and_add+0x12b/0x1a0
[ 596.581939][T10658] ? __pfx_kobject_init_and_add+0x10/0x10
[ 596.581963][T10658] ? __raw_spin_lock_init+0x45/0x100
[ 596.581983][T10658] ? __init_swait_queue_head+0xa9/0x150
[ 596.582005][T10658] gfs2_sys_fs_add+0x257/0x480
[ 596.582024][T10658] ? is_dynamic_key+0x1ac/0x1c0
[ 596.582045][T10658] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 596.582073][T10658] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 596.582104][T10658] gfs2_fill_super+0x13a7/0x21d0
[ 596.582134][T10658] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.582155][T10658] ? sb_set_blocksize+0x155/0x240
[ 596.582188][T10658] ? setup_bdev_super+0x4c1/0x5b0
[ 596.582209][T10658] get_tree_bdev_flags+0x431/0x4f0
[ 596.582227][T10658] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.582242][T10658] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 596.582258][T10658] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 596.582284][T10658] gfs2_get_tree+0x51/0x1e0
[ 596.582304][T10658] vfs_get_tree+0x92/0x2a0
[ 596.582323][T10658] do_new_mount+0x341/0xd30
[ 596.582343][T10658] ? apparmor_capable+0x126/0x170
[ 596.582364][T10658] ? __pfx_do_new_mount+0x10/0x10
[ 596.582385][T10658] ? ns_capable+0x89/0xe0
[ 596.582417][T10658] ? user_path_at+0xd4/0x160
[ 596.582434][T10658] __se_sys_mount+0x31d/0x420
[ 596.582460][T10658] ? __pfx___se_sys_mount+0x10/0x10
[ 596.582493][T10658] ? __x64_sys_mount+0x20/0xc0
[ 596.582512][T10658] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.582530][T10658] do_syscall_64+0x15f/0xf80
[ 596.582550][T10658] ? trace_irq_disable+0x3b/0x140
[ 596.582568][T10658] ? clear_bhb_loop+0x40/0x90
[ 596.582588][T10658] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.582604][T10658] RIP: 0033:0x7f335e6dba9a
[ 596.582621][T10658] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 596.582634][T10658] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 596.582652][T10658] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 596.582663][T10658] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 596.582675][T10658] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 596.582686][T10658] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 596.582697][T10658] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 596.582723][T10658]
[ 596.582747][T10658] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 596.813806][T10657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 596.826934][T10658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 596.924818][T10660] loop4: detected capacity change from 0 to 32768
[ 596.988008][T10660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 596.995814][T10660] CPU: 0 UID: 0 PID: 10660 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 596.995837][T10660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 596.995847][T10660] Call Trace:
[ 596.995856][T10660]
[ 596.995863][T10660] dump_stack_lvl+0xe8/0x150
[ 596.995892][T10660] sysfs_create_dir_ns+0x271/0x2a0
[ 596.995917][T10660] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 596.995941][T10660] ? do_raw_spin_unlock+0xf5/0x210
[ 596.995964][T10660] kobject_add_internal+0x62b/0xd00
[ 596.995993][T10660] kobject_init_and_add+0x12b/0x1a0
[ 596.996020][T10660] ? __pfx_kobject_init_and_add+0x10/0x10
[ 596.996042][T10660] ? __raw_spin_lock_init+0x45/0x100
[ 596.996061][T10660] ? __init_swait_queue_head+0xa9/0x150
[ 596.996082][T10660] gfs2_sys_fs_add+0x257/0x480
[ 596.996100][T10660] ? is_dynamic_key+0x1ac/0x1c0
[ 596.996127][T10660] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 596.996151][T10660] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 596.996177][T10660] gfs2_fill_super+0x13a7/0x21d0
[ 596.996203][T10660] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.996220][T10660] ? sb_set_blocksize+0x155/0x240
[ 596.996241][T10660] ? setup_bdev_super+0x4c1/0x5b0
[ 596.996258][T10660] get_tree_bdev_flags+0x431/0x4f0
[ 596.996273][T10660] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.996286][T10660] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 596.996300][T10660] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 596.996325][T10660] gfs2_get_tree+0x51/0x1e0
[ 596.996344][T10660] vfs_get_tree+0x92/0x2a0
[ 596.996363][T10660] do_new_mount+0x341/0xd30
[ 596.996382][T10660] ? apparmor_capable+0x126/0x170
[ 596.996411][T10660] ? __pfx_do_new_mount+0x10/0x10
[ 596.996431][T10660] ? ns_capable+0x89/0xe0
[ 596.996463][T10660] ? user_path_at+0xd4/0x160
[ 596.996481][T10660] __se_sys_mount+0x31d/0x420
[ 596.996508][T10660] ? __pfx___se_sys_mount+0x10/0x10
[ 596.996533][T10660] ? __x64_sys_mount+0x20/0xc0
[ 596.996553][T10660] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.996570][T10660] do_syscall_64+0x15f/0xf80
[ 596.996590][T10660] ? trace_irq_disable+0x3b/0x140
[ 596.996608][T10660] ? clear_bhb_loop+0x40/0x90
[ 596.996628][T10660] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.996644][T10660] RIP: 0033:0x7f335e6dba9a
[ 596.996660][T10660] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 596.996674][T10660] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 596.996693][T10660] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 596.996704][T10660] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 596.996716][T10660] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 596.996727][T10660] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 596.996737][T10660] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 596.996762][T10660]
[ 596.996786][T10660] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 597.356684][T10664] loop3: detected capacity change from 0 to 32768
[ 597.383440][T10660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 597.395303][T10664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 597.436376][T10664] CPU: 1 UID: 0 PID: 10664 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 597.436400][T10664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 597.436410][T10664] Call Trace:
[ 597.436417][T10664]
[ 597.436424][T10664] dump_stack_lvl+0xe8/0x150
[ 597.436452][T10664] sysfs_create_dir_ns+0x271/0x2a0
[ 597.436477][T10664] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 597.436501][T10664] ? do_raw_spin_unlock+0xf5/0x210
[ 597.436524][T10664] kobject_add_internal+0x62b/0xd00
[ 597.436556][T10664] kobject_init_and_add+0x12b/0x1a0
[ 597.436584][T10664] ? __pfx_kobject_init_and_add+0x10/0x10
[ 597.436607][T10664] ? __raw_spin_lock_init+0x45/0x100
[ 597.436626][T10664] ? __init_swait_queue_head+0xa9/0x150
[ 597.436647][T10664] gfs2_sys_fs_add+0x257/0x480
[ 597.436668][T10664] ? is_dynamic_key+0x1ac/0x1c0
[ 597.436691][T10664] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 597.436719][T10664] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 597.436751][T10664] gfs2_fill_super+0x13a7/0x21d0
[ 597.436781][T10664] ? __pfx_gfs2_fill_super+0x10/0x10
[ 597.436800][T10664] ? sb_set_blocksize+0x155/0x240
[ 597.436824][T10664] ? setup_bdev_super+0x4c1/0x5b0
[ 597.436845][T10664] get_tree_bdev_flags+0x431/0x4f0
[ 597.436864][T10664] ? __pfx_gfs2_fill_super+0x10/0x10
[ 597.436881][T10664] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 597.436896][T10664] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 597.436925][T10664] gfs2_get_tree+0x51/0x1e0
[ 597.436943][T10664] vfs_get_tree+0x92/0x2a0
[ 597.436963][T10664] do_new_mount+0x341/0xd30
[ 597.436982][T10664] ? apparmor_capable+0x126/0x170
[ 597.437005][T10664] ? __pfx_do_new_mount+0x10/0x10
[ 597.437026][T10664] ? ns_capable+0x89/0xe0
[ 597.437057][T10664] ? user_path_at+0xd4/0x160
[ 597.437076][T10664] __se_sys_mount+0x31d/0x420
[ 597.437101][T10664] ? __pfx___se_sys_mount+0x10/0x10
[ 597.437127][T10664] ? __x64_sys_mount+0x20/0xc0
[ 597.437146][T10664] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 597.437164][T10664] do_syscall_64+0x15f/0xf80
executing program
[ 597.437183][T10664] ? trace_irq_disable+0x3b/0x140
[ 597.437203][T10664] ? clear_bhb_loop+0x40/0x90
[ 597.437223][T10664] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 597.437239][T10664] RIP: 0033:0x7f335e6dba9a
[ 597.437256][T10664] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 597.437269][T10664] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
executing program
[ 597.437290][T10664] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 597.437302][T10664] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 597.437314][T10664] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 597.437324][T10664] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 597.437335][T10664] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 597.437370][T10664]
executing program
[ 597.437405][T10664] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 598.096383][T10664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 598.324167][T10674] loop0: detected capacity change from 0 to 32768
[ 598.350483][T10674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 598.396881][T10674] CPU: 1 UID: 0 PID: 10674 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 598.396906][T10674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 598.396917][T10674] Call Trace:
[ 598.396925][T10674]
[ 598.396932][T10674] dump_stack_lvl+0xe8/0x150
[ 598.396960][T10674] sysfs_create_dir_ns+0x271/0x2a0
[ 598.396986][T10674] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 598.397010][T10674] ? do_raw_spin_unlock+0xf5/0x210
executing program
[ 598.397033][T10674] kobject_add_internal+0x62b/0xd00
[ 598.397065][T10674] kobject_init_and_add+0x12b/0x1a0
[ 598.397093][T10674] ? __pfx_kobject_init_and_add+0x10/0x10
[ 598.397116][T10674] ? __raw_spin_lock_init+0x45/0x100
[ 598.397137][T10674] ? __init_swait_queue_head+0xa9/0x150
[ 598.397158][T10674] gfs2_sys_fs_add+0x257/0x480
[ 598.397178][T10674] ? is_dynamic_key+0x1ac/0x1c0
[ 598.397201][T10674] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 598.397230][T10674] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 598.397261][T10674] gfs2_fill_super+0x13a7/0x21d0
[ 598.397299][T10674] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.397321][T10674] ? sb_set_blocksize+0x155/0x240
[ 598.397346][T10674] ? setup_bdev_super+0x4c1/0x5b0
[ 598.397367][T10674] get_tree_bdev_flags+0x431/0x4f0
[ 598.397385][T10674] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.397401][T10674] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 598.397417][T10674] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 598.397443][T10674] gfs2_get_tree+0x51/0x1e0
[ 598.397463][T10674] vfs_get_tree+0x92/0x2a0
[ 598.397483][T10674] do_new_mount+0x341/0xd30
[ 598.397503][T10674] ? apparmor_capable+0x126/0x170
[ 598.397524][T10674] ? __pfx_do_new_mount+0x10/0x10
[ 598.397545][T10674] ? ns_capable+0x89/0xe0
[ 598.397577][T10674] ? user_path_at+0xd4/0x160
[ 598.397595][T10674] __se_sys_mount+0x31d/0x420
[ 598.397621][T10674] ? __pfx___se_sys_mount+0x10/0x10
[ 598.397648][T10674] ? __x64_sys_mount+0x20/0xc0
[ 598.397667][T10674] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.397685][T10674] do_syscall_64+0x15f/0xf80
[ 598.397705][T10674] ? trace_irq_disable+0x3b/0x140
[ 598.397724][T10674] ? clear_bhb_loop+0x40/0x90
[ 598.397744][T10674] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.397761][T10674] RIP: 0033:0x7f335e6dba9a
[ 598.397777][T10674] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 598.397790][T10674] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 598.397809][T10674] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 598.397821][T10674] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 598.397832][T10674] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 598.397843][T10674] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 598.397854][T10674] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 598.397880][T10674]
executing program
[ 598.397904][T10674] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 598.702842][T10674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 598.843082][T10669] loop2: detected capacity change from 0 to 32768
[ 598.866851][T10672] loop4: detected capacity change from 0 to 32768
[ 598.883712][T10669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 598.940134][T10672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 598.948480][T10672] CPU: 0 UID: 0 PID: 10672 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 598.948503][T10672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 598.948514][T10672] Call Trace:
[ 598.948521][T10672]
[ 598.948528][T10672] dump_stack_lvl+0xe8/0x150
[ 598.948556][T10672] sysfs_create_dir_ns+0x271/0x2a0
[ 598.948580][T10672] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 598.948602][T10672] ? do_raw_spin_unlock+0xf5/0x210
[ 598.948624][T10672] kobject_add_internal+0x62b/0xd00
[ 598.948654][T10672] kobject_init_and_add+0x12b/0x1a0
[ 598.948681][T10672] ? __pfx_kobject_init_and_add+0x10/0x10
[ 598.948703][T10672] ? __raw_spin_lock_init+0x45/0x100
[ 598.948720][T10672] ? __init_swait_queue_head+0xa9/0x150
[ 598.948742][T10672] gfs2_sys_fs_add+0x257/0x480
[ 598.948762][T10672] ? is_dynamic_key+0x1ac/0x1c0
[ 598.948785][T10672] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 598.948812][T10672] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 598.948841][T10672] gfs2_fill_super+0x13a7/0x21d0
[ 598.948870][T10672] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.948889][T10672] ? sb_set_blocksize+0x155/0x240
[ 598.948914][T10672] ? setup_bdev_super+0x4c1/0x5b0
[ 598.948934][T10672] get_tree_bdev_flags+0x431/0x4f0
[ 598.948950][T10672] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.948965][T10672] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 598.948980][T10672] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 598.949009][T10672] gfs2_get_tree+0x51/0x1e0
[ 598.949026][T10672] vfs_get_tree+0x92/0x2a0
[ 598.949044][T10672] do_new_mount+0x341/0xd30
[ 598.949070][T10672] ? apparmor_capable+0x126/0x170
[ 598.949091][T10672] ? __pfx_do_new_mount+0x10/0x10
[ 598.949111][T10672] ? ns_capable+0x89/0xe0
[ 598.949140][T10672] ? user_path_at+0xd4/0x160
[ 598.949157][T10672] __se_sys_mount+0x31d/0x420
[ 598.949183][T10672] ? __pfx___se_sys_mount+0x10/0x10
[ 598.949208][T10672] ? __x64_sys_mount+0x20/0xc0
executing program
[ 598.949227][T10672] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.949255][T10672] do_syscall_64+0x15f/0xf80
[ 598.949276][T10672] ? trace_irq_disable+0x3b/0x140
[ 598.949293][T10672] ? clear_bhb_loop+0x40/0x90
[ 598.949313][T10672] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.949329][T10672] RIP: 0033:0x7f335e6dba9a
[ 598.949346][T10672] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 598.949361][T10672] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 598.949380][T10672] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 598.949392][T10672] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 598.949403][T10672] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 598.949414][T10672] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 598.949425][T10672] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 598.949450][T10672]
[ 598.953139][T10672] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 598.956575][T10669] CPU: 1 UID: 0 PID: 10669 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 598.956598][T10669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 598.956608][T10669] Call Trace:
[ 598.956615][T10669]
[ 598.956622][T10669] dump_stack_lvl+0xe8/0x150
[ 598.956651][T10669] sysfs_create_dir_ns+0x271/0x2a0
[ 598.956676][T10669] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 598.956699][T10669] ? do_raw_spin_unlock+0xf5/0x210
[ 598.956720][T10669] kobject_add_internal+0x62b/0xd00
[ 598.956750][T10669] kobject_init_and_add+0x12b/0x1a0
[ 598.956777][T10669] ? __pfx_kobject_init_and_add+0x10/0x10
[ 598.956800][T10669] ? __raw_spin_lock_init+0x45/0x100
[ 598.956818][T10669] ? __init_swait_queue_head+0xa9/0x150
[ 598.956839][T10669] gfs2_sys_fs_add+0x257/0x480
[ 598.956858][T10669] ? is_dynamic_key+0x1ac/0x1c0
[ 598.956880][T10669] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 598.956906][T10669] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 598.956936][T10669] gfs2_fill_super+0x13a7/0x21d0
[ 598.956965][T10669] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.956992][T10669] ? sb_set_blocksize+0x155/0x240
[ 598.957016][T10669] ? setup_bdev_super+0x4c1/0x5b0
[ 598.957035][T10669] get_tree_bdev_flags+0x431/0x4f0
[ 598.957053][T10669] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.957068][T10669] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 598.957083][T10669] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 598.957108][T10669] gfs2_get_tree+0x51/0x1e0
[ 598.957127][T10669] vfs_get_tree+0x92/0x2a0
[ 598.957145][T10669] do_new_mount+0x341/0xd30
[ 598.957164][T10669] ? apparmor_capable+0x126/0x170
[ 598.957185][T10669] ? __pfx_do_new_mount+0x10/0x10
[ 598.957205][T10669] ? ns_capable+0x89/0xe0
[ 598.957235][T10669] ? user_path_at+0xd4/0x160
[ 598.957251][T10669] __se_sys_mount+0x31d/0x420
[ 598.957277][T10669] ? __pfx___se_sys_mount+0x10/0x10
[ 598.957302][T10669] ? __x64_sys_mount+0x20/0xc0
[ 598.957321][T10669] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.957339][T10669] do_syscall_64+0x15f/0xf80
[ 598.957357][T10669] ? trace_irq_disable+0x3b/0x140
[ 598.957374][T10669] ? clear_bhb_loop+0x40/0x90
[ 598.957394][T10669] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.957409][T10669] RIP: 0033:0x7f335e6dba9a
[ 598.957425][T10669] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 598.957437][T10669] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 598.957454][T10669] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 598.957466][T10669] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 598.957477][T10669] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 598.957488][T10669] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 598.957498][T10669] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 598.957523][T10669]
[ 598.957546][T10669] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 598.973485][T10672] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 599.130410][T10669] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 599.838864][T10678] loop0: detected capacity change from 0 to 32768
[ 599.903569][T10678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 599.921864][T10678] CPU: 1 UID: 0 PID: 10678 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 599.921889][T10678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 599.921899][T10678] Call Trace:
[ 599.921906][T10678]
[ 599.921913][T10678] dump_stack_lvl+0xe8/0x150
[ 599.921941][T10678] sysfs_create_dir_ns+0x271/0x2a0
[ 599.921965][T10678] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 599.921989][T10678] ? do_raw_spin_unlock+0xf5/0x210
[ 599.922012][T10678] kobject_add_internal+0x62b/0xd00
[ 599.922043][T10678] kobject_init_and_add+0x12b/0x1a0
[ 599.922071][T10678] ? __pfx_kobject_init_and_add+0x10/0x10
[ 599.922093][T10678] ? __raw_spin_lock_init+0x45/0x100
[ 599.922113][T10678] ? __init_swait_queue_head+0xa9/0x150
[ 599.922136][T10678] gfs2_sys_fs_add+0x257/0x480
[ 599.922156][T10678] ? is_dynamic_key+0x1ac/0x1c0
[ 599.922179][T10678] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 599.922207][T10678] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 599.922238][T10678] gfs2_fill_super+0x13a7/0x21d0
[ 599.922270][T10678] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.922290][T10678] ? sb_set_blocksize+0x155/0x240
[ 599.922315][T10678] ? setup_bdev_super+0x4c1/0x5b0
[ 599.922335][T10678] get_tree_bdev_flags+0x431/0x4f0
[ 599.922353][T10678] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.922369][T10678] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 599.922384][T10678] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 599.922411][T10678] gfs2_get_tree+0x51/0x1e0
[ 599.922431][T10678] vfs_get_tree+0x92/0x2a0
[ 599.922451][T10678] do_new_mount+0x341/0xd30
[ 599.922470][T10678] ? apparmor_capable+0x126/0x170
[ 599.922491][T10678] ? __pfx_do_new_mount+0x10/0x10
[ 599.922510][T10678] ? ns_capable+0x89/0xe0
[ 599.922538][T10678] ? user_path_at+0xd4/0x160
[ 599.922554][T10678] __se_sys_mount+0x31d/0x420
[ 599.922579][T10678] ? __pfx___se_sys_mount+0x10/0x10
[ 599.922606][T10678] ? __x64_sys_mount+0x20/0xc0
[ 599.922625][T10678] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.922643][T10678] do_syscall_64+0x15f/0xf80
[ 599.922663][T10678] ? trace_irq_disable+0x3b/0x140
[ 599.922682][T10678] ? clear_bhb_loop+0x40/0x90
[ 599.922713][T10678] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.922729][T10678] RIP: 0033:0x7f335e6dba9a
[ 599.922745][T10678] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 599.922759][T10678] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 599.922776][T10678] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 599.922789][T10678] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 599.922800][T10678] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 599.922810][T10678] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 599.922820][T10678] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 599.922853][T10678]
[ 600.019458][T10678] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 600.186165][T10677] loop3: detected capacity change from 0 to 32768
[ 600.192696][T10678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 600.230105][T10683] loop4: detected capacity change from 0 to 32768
[ 600.271465][T10677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 600.321211][T10677] CPU: 0 UID: 0 PID: 10677 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 600.321236][T10677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 600.321245][T10677] Call Trace:
[ 600.321253][T10677]
[ 600.321260][T10677] dump_stack_lvl+0xe8/0x150
[ 600.321289][T10677] sysfs_create_dir_ns+0x271/0x2a0
[ 600.321315][T10677] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 600.321339][T10677] ? do_raw_spin_unlock+0xf5/0x210
[ 600.321362][T10677] kobject_add_internal+0x62b/0xd00
[ 600.321395][T10677] kobject_init_and_add+0x12b/0x1a0
[ 600.321422][T10677] ? __pfx_kobject_init_and_add+0x10/0x10
[ 600.321445][T10677] ? __raw_spin_lock_init+0x45/0x100
[ 600.321465][T10677] ? __init_swait_queue_head+0xa9/0x150
[ 600.321486][T10677] gfs2_sys_fs_add+0x257/0x480
[ 600.321506][T10677] ? is_dynamic_key+0x1ac/0x1c0
[ 600.321528][T10677] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 600.321556][T10677] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 600.321587][T10677] gfs2_fill_super+0x13a7/0x21d0
[ 600.321619][T10677] ? __pfx_gfs2_fill_super+0x10/0x10
[ 600.321640][T10677] ? sb_set_blocksize+0x155/0x240
[ 600.321664][T10677] ? setup_bdev_super+0x4c1/0x5b0
[ 600.321684][T10677] get_tree_bdev_flags+0x431/0x4f0
[ 600.321702][T10677] ? __pfx_gfs2_fill_super+0x10/0x10
[ 600.321718][T10677] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 600.321734][T10677] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 600.321761][T10677] gfs2_get_tree+0x51/0x1e0
[ 600.321781][T10677] vfs_get_tree+0x92/0x2a0
[ 600.321801][T10677] do_new_mount+0x341/0xd30
[ 600.321821][T10677] ? apparmor_capable+0x126/0x170
[ 600.321843][T10677] ? __pfx_do_new_mount+0x10/0x10
[ 600.321864][T10677] ? ns_capable+0x89/0xe0
[ 600.321902][T10677] ? user_path_at+0xd4/0x160
[ 600.321921][T10677] __se_sys_mount+0x31d/0x420
[ 600.321947][T10677] ? __pfx___se_sys_mount+0x10/0x10
[ 600.321974][T10677] ? __x64_sys_mount+0x20/0xc0
[ 600.321993][T10677] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.322011][T10677] do_syscall_64+0x15f/0xf80
executing program
[ 600.322030][T10677] ? trace_irq_disable+0x3b/0x140
[ 600.322049][T10677] ? clear_bhb_loop+0x40/0x90
[ 600.322067][T10677] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.322083][T10677] RIP: 0033:0x7f335e6dba9a
[ 600.322100][T10677] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 600.322113][T10677] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 600.322131][T10677] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 600.322143][T10677] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 600.322155][T10677] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 600.322166][T10677] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 600.322176][T10677] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 600.322207][T10677]
[ 600.347013][T10677] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 600.454203][T10683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 600.485408][T10677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 600.664031][T10683] CPU: 1 UID: 0 PID: 10683 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 600.664055][T10683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 600.664064][T10683] Call Trace:
[ 600.664070][T10683]
[ 600.664078][T10683] dump_stack_lvl+0xe8/0x150
[ 600.664113][T10683] sysfs_create_dir_ns+0x271/0x2a0
[ 600.664136][T10683] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 600.664159][T10683] ? do_raw_spin_unlock+0xf5/0x210
[ 600.664181][T10683] kobject_add_internal+0x62b/0xd00
[ 600.664211][T10683] kobject_init_and_add+0x12b/0x1a0
[ 600.664238][T10683] ? __pfx_kobject_init_and_add+0x10/0x10
[ 600.664260][T10683] ? __raw_spin_lock_init+0x45/0x100
[ 600.664279][T10683] ? __init_swait_queue_head+0xa9/0x150
[ 600.664299][T10683] gfs2_sys_fs_add+0x257/0x480
[ 600.664319][T10683] ? is_dynamic_key+0x1ac/0x1c0
[ 600.664340][T10683] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 600.664367][T10683] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 600.664396][T10683] gfs2_fill_super+0x13a7/0x21d0
[ 600.664423][T10683] ? __pfx_gfs2_fill_super+0x10/0x10
[ 600.664440][T10683] ? sb_set_blocksize+0x155/0x240
[ 600.664461][T10683] ? setup_bdev_super+0x4c1/0x5b0
[ 600.664479][T10683] get_tree_bdev_flags+0x431/0x4f0
[ 600.664494][T10683] ? __pfx_gfs2_fill_super+0x10/0x10
[ 600.664506][T10683] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 600.664519][T10683] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 600.664541][T10683] gfs2_get_tree+0x51/0x1e0
[ 600.664557][T10683] vfs_get_tree+0x92/0x2a0
[ 600.664574][T10683] do_new_mount+0x341/0xd30
[ 600.664591][T10683] ? apparmor_capable+0x126/0x170
[ 600.664609][T10683] ? __pfx_do_new_mount+0x10/0x10
[ 600.664626][T10683] ? ns_capable+0x89/0xe0
[ 600.664653][T10683] ? user_path_at+0xd4/0x160
[ 600.664668][T10683] __se_sys_mount+0x31d/0x420
[ 600.664690][T10683] ? __pfx___se_sys_mount+0x10/0x10
[ 600.664713][T10683] ? __x64_sys_mount+0x20/0xc0
[ 600.664729][T10683] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.664744][T10683] do_syscall_64+0x15f/0xf80
[ 600.664762][T10683] ? trace_irq_disable+0x3b/0x140
[ 600.664778][T10683] ? clear_bhb_loop+0x40/0x90
[ 600.664795][T10683] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.664809][T10683] RIP: 0033:0x7f335e6dba9a
[ 600.664823][T10683] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 600.664834][T10683] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 600.664851][T10683] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 600.664862][T10683] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 600.664871][T10683] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 600.664880][T10683] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 600.664889][T10683] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 600.664913][T10683]
[ 600.664937][T10683] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[ 601.178136][T10683] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 601.727463][T10691] loop2: detected capacity change from 0 to 32768
[ 601.767336][T10691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 601.800661][T10691] CPU: 0 UID: 0 PID: 10691 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 601.800687][T10691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 601.800698][T10691] Call Trace:
[ 601.800706][T10691]
[ 601.800713][T10691] dump_stack_lvl+0xe8/0x150
[ 601.800747][T10691] sysfs_create_dir_ns+0x271/0x2a0
[ 601.800772][T10691] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 601.800796][T10691] ? do_raw_spin_unlock+0xf5/0x210
[ 601.800818][T10691] kobject_add_internal+0x62b/0xd00
[ 601.800848][T10691] kobject_init_and_add+0x12b/0x1a0
[ 601.800875][T10691] ? __pfx_kobject_init_and_add+0x10/0x10
[ 601.800898][T10691] ? __raw_spin_lock_init+0x45/0x100
[ 601.800918][T10691] ? __init_swait_queue_head+0xa9/0x150
[ 601.800938][T10691] gfs2_sys_fs_add+0x257/0x480
[ 601.800957][T10691] ? is_dynamic_key+0x1ac/0x1c0
[ 601.800980][T10691] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 601.801007][T10691] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 601.801039][T10691] gfs2_fill_super+0x13a7/0x21d0
[ 601.801071][T10691] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.801091][T10691] ? sb_set_blocksize+0x155/0x240
[ 601.801116][T10691] ? setup_bdev_super+0x4c1/0x5b0
[ 601.801137][T10691] get_tree_bdev_flags+0x431/0x4f0
[ 601.801154][T10691] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.801169][T10691] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 601.801185][T10691] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 601.801211][T10691] gfs2_get_tree+0x51/0x1e0
[ 601.801231][T10691] vfs_get_tree+0x92/0x2a0
[ 601.801257][T10691] do_new_mount+0x341/0xd30
[ 601.801277][T10691] ? apparmor_capable+0x126/0x170
[ 601.801298][T10691] ? __pfx_do_new_mount+0x10/0x10
[ 601.801319][T10691] ? ns_capable+0x89/0xe0
[ 601.801351][T10691] ? user_path_at+0xd4/0x160
[ 601.801368][T10691] __se_sys_mount+0x31d/0x420
[ 601.801392][T10691] ? __pfx___se_sys_mount+0x10/0x10
[ 601.801415][T10691] ? __x64_sys_mount+0x20/0xc0
[ 601.801431][T10691] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.801445][T10691] do_syscall_64+0x15f/0xf80
[ 601.801461][T10691] ? trace_irq_disable+0x3b/0x140
[ 601.801476][T10691] ? clear_bhb_loop+0x40/0x90
[ 601.801491][T10691] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.801503][T10691] RIP: 0033:0x7f335e6dba9a
[ 601.801515][T10691] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 601.801526][T10691] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 601.801541][T10691] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 601.801550][T10691] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 601.801558][T10691] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 601.801567][T10691] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 601.801575][T10691] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 601.801595][T10691]
[ 601.801618][T10691] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 601.944032][T10692] loop3: detected capacity change from 0 to 32768
[ 601.981237][T10691] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 602.166868][T10693] loop0: detected capacity change from 0 to 32768
[ 602.177085][T10692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.194941][T10693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.202641][T10693] CPU: 1 UID: 0 PID: 10693 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 602.202664][T10693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 602.202675][T10693] Call Trace:
[ 602.202683][T10693]
[ 602.202690][T10693] dump_stack_lvl+0xe8/0x150
[ 602.202720][T10693] sysfs_create_dir_ns+0x271/0x2a0
[ 602.202748][T10693] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.202772][T10693] ? do_raw_spin_unlock+0xf5/0x210
[ 602.202795][T10693] kobject_add_internal+0x62b/0xd00
[ 602.202827][T10693] kobject_init_and_add+0x12b/0x1a0
[ 602.202860][T10693] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.202879][T10693] ? __raw_spin_lock_init+0x45/0x100
[ 602.202895][T10693] ? __init_swait_queue_head+0xa9/0x150
[ 602.202917][T10693] gfs2_sys_fs_add+0x257/0x480
[ 602.202937][T10693] ? is_dynamic_key+0x1ac/0x1c0
[ 602.202959][T10693] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.202985][T10693] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.203016][T10693] gfs2_fill_super+0x13a7/0x21d0
[ 602.203047][T10693] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.203067][T10693] ? sb_set_blocksize+0x155/0x240
[ 602.203093][T10693] ? setup_bdev_super+0x4c1/0x5b0
[ 602.203113][T10693] get_tree_bdev_flags+0x431/0x4f0
[ 602.203132][T10693] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.203148][T10693] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.203163][T10693] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 602.203189][T10693] gfs2_get_tree+0x51/0x1e0
[ 602.203209][T10693] vfs_get_tree+0x92/0x2a0
[ 602.203229][T10693] do_new_mount+0x341/0xd30
[ 602.203247][T10693] ? apparmor_capable+0x126/0x170
[ 602.203269][T10693] ? __pfx_do_new_mount+0x10/0x10
[ 602.203289][T10693] ? ns_capable+0x89/0xe0
[ 602.203320][T10693] ? user_path_at+0xd4/0x160
[ 602.203338][T10693] __se_sys_mount+0x31d/0x420
[ 602.203364][T10693] ? __pfx___se_sys_mount+0x10/0x10
[ 602.203390][T10693] ? __x64_sys_mount+0x20/0xc0
[ 602.203409][T10693] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.203427][T10693] do_syscall_64+0x15f/0xf80
[ 602.203446][T10693] ? trace_irq_disable+0x3b/0x140
[ 602.203465][T10693] ? clear_bhb_loop+0x40/0x90
[ 602.203485][T10693] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.203501][T10693] RIP: 0033:0x7f335e6dba9a
[ 602.203517][T10693] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 602.203531][T10693] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 602.203549][T10693] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 602.203561][T10693] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 602.203572][T10693] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 602.203583][T10693] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 602.203593][T10693] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 602.203619][T10693]
[ 602.203643][T10693] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 602.314179][T10692] CPU: 0 UID: 0 PID: 10692 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 602.314202][T10692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 602.314213][T10692] Call Trace:
[ 602.314220][T10692]
[ 602.314227][T10692] dump_stack_lvl+0xe8/0x150
[ 602.314256][T10692] sysfs_create_dir_ns+0x271/0x2a0
[ 602.314282][T10692] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.314304][T10692] ? do_raw_spin_unlock+0xf5/0x210
[ 602.314327][T10692] kobject_add_internal+0x62b/0xd00
[ 602.314357][T10692] kobject_init_and_add+0x12b/0x1a0
[ 602.314383][T10692] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.314406][T10692] ? __raw_spin_lock_init+0x45/0x100
[ 602.314425][T10692] ? __init_swait_queue_head+0xa9/0x150
[ 602.314446][T10692] gfs2_sys_fs_add+0x257/0x480
[ 602.314465][T10692] ? is_dynamic_key+0x1ac/0x1c0
[ 602.314486][T10692] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.314513][T10692] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.314542][T10692] gfs2_fill_super+0x13a7/0x21d0
[ 602.314572][T10692] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.314708][T10692] ? sb_set_blocksize+0x155/0x240
[ 602.314736][T10692] ? setup_bdev_super+0x4c1/0x5b0
[ 602.314756][T10692] get_tree_bdev_flags+0x431/0x4f0
[ 602.314773][T10692] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.314788][T10692] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.314803][T10692] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 602.314827][T10692] gfs2_get_tree+0x51/0x1e0
[ 602.314846][T10692] vfs_get_tree+0x92/0x2a0
[ 602.314864][T10692] do_new_mount+0x341/0xd30
[ 602.314884][T10692] ? apparmor_capable+0x126/0x170
[ 602.314904][T10692] ? __pfx_do_new_mount+0x10/0x10
[ 602.314923][T10692] ? ns_capable+0x89/0xe0
[ 602.314954][T10692] ? user_path_at+0xd4/0x160
[ 602.314971][T10692] __se_sys_mount+0x31d/0x420
[ 602.314996][T10692] ? __pfx___se_sys_mount+0x10/0x10
[ 602.315021][T10692] ? __x64_sys_mount+0x20/0xc0
[ 602.315040][T10692] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.315057][T10692] do_syscall_64+0x15f/0xf80
[ 602.315075][T10692] ? trace_irq_disable+0x3b/0x140
[ 602.315093][T10692] ? clear_bhb_loop+0x40/0x90
[ 602.315112][T10692] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.315128][T10692] RIP: 0033:0x7f335e6dba9a
[ 602.315143][T10692] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 602.315156][T10692] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 602.315173][T10692] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 602.315185][T10692] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 602.315196][T10692] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 602.315206][T10692] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 602.315216][T10692] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 602.315241][T10692]
executing program
executing program
[ 602.316564][T10692] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 602.323948][T10693] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 602.357471][T10692] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 602.990001][T10694] loop4: detected capacity change from 0 to 32768
[ 603.097701][T10694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 603.118313][T10694] CPU: 1 UID: 0 PID: 10694 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 603.118339][T10694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 603.118350][T10694] Call Trace:
[ 603.118357][T10694]
[ 603.118365][T10694] dump_stack_lvl+0xe8/0x150
[ 603.118393][T10694] sysfs_create_dir_ns+0x271/0x2a0
[ 603.118419][T10694] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 603.118446][T10694] ? do_raw_spin_unlock+0xf5/0x210
[ 603.118474][T10694] kobject_add_internal+0x62b/0xd00
[ 603.118506][T10694] kobject_init_and_add+0x12b/0x1a0
[ 603.118533][T10694] ? __pfx_kobject_init_and_add+0x10/0x10
[ 603.118571][T10694] ? __raw_spin_lock_init+0x45/0x100
[ 603.118591][T10694] ? __init_swait_queue_head+0xa9/0x150
[ 603.118613][T10694] gfs2_sys_fs_add+0x257/0x480
[ 603.118633][T10694] ? is_dynamic_key+0x1ac/0x1c0
[ 603.118655][T10694] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 603.118683][T10694] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 603.118714][T10694] gfs2_fill_super+0x13a7/0x21d0
[ 603.118745][T10694] ? __pfx_gfs2_fill_super+0x10/0x10
[ 603.118765][T10694] ? sb_set_blocksize+0x155/0x240
[ 603.118789][T10694] ? setup_bdev_super+0x4c1/0x5b0
[ 603.118809][T10694] get_tree_bdev_flags+0x431/0x4f0
[ 603.118828][T10694] ? __pfx_gfs2_fill_super+0x10/0x10
[ 603.118844][T10694] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 603.118860][T10694] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 603.118887][T10694] gfs2_get_tree+0x51/0x1e0
[ 603.118907][T10694] vfs_get_tree+0x92/0x2a0
[ 603.118927][T10694] do_new_mount+0x341/0xd30
[ 603.118947][T10694] ? apparmor_capable+0x126/0x170
[ 603.118969][T10694] ? __pfx_do_new_mount+0x10/0x10
[ 603.118989][T10694] ? ns_capable+0x89/0xe0
[ 603.119020][T10694] ? user_path_at+0xd4/0x160
[ 603.119038][T10694] __se_sys_mount+0x31d/0x420
[ 603.119063][T10694] ? __pfx___se_sys_mount+0x10/0x10
[ 603.119089][T10694] ? __x64_sys_mount+0x20/0xc0
[ 603.119108][T10694] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.119126][T10694] do_syscall_64+0x15f/0xf80
[ 603.119145][T10694] ? trace_irq_disable+0x3b/0x140
[ 603.119164][T10694] ? clear_bhb_loop+0x40/0x90
[ 603.119184][T10694] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.119200][T10694] RIP: 0033:0x7f335e6dba9a
[ 603.119216][T10694] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 603.119230][T10694] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 603.119248][T10694] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 603.119261][T10694] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 603.119272][T10694] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 603.119283][T10694] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
executing program
[ 603.119293][T10694] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 603.119321][T10694]
[ 603.119345][T10694] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 603.423425][T10694] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 603.730915][T10702] loop0: detected capacity change from 0 to 32768
[ 603.747732][T10702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 603.797210][T10702] CPU: 1 UID: 0 PID: 10702 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 603.797237][T10702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 603.797247][T10702] Call Trace:
[ 603.797256][T10702]
[ 603.797263][T10702] dump_stack_lvl+0xe8/0x150
[ 603.797292][T10702] sysfs_create_dir_ns+0x271/0x2a0
[ 603.797318][T10702] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 603.797343][T10702] ? do_raw_spin_unlock+0xf5/0x210
[ 603.797366][T10702] kobject_add_internal+0x62b/0xd00
[ 603.797408][T10702] kobject_init_and_add+0x12b/0x1a0
[ 603.797435][T10702] ? __pfx_kobject_init_and_add+0x10/0x10
[ 603.797471][T10702] ? __raw_spin_lock_init+0x45/0x100
[ 603.797491][T10702] ? __init_swait_queue_head+0xa9/0x150
[ 603.797513][T10702] gfs2_sys_fs_add+0x257/0x480
[ 603.797532][T10702] ? is_dynamic_key+0x1ac/0x1c0
[ 603.797554][T10702] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 603.797589][T10702] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 603.797621][T10702] gfs2_fill_super+0x13a7/0x21d0
[ 603.797653][T10702] ? __pfx_gfs2_fill_super+0x10/0x10
[ 603.797674][T10702] ? sb_set_blocksize+0x155/0x240
[ 603.797699][T10702] ? setup_bdev_super+0x4c1/0x5b0
[ 603.797719][T10702] get_tree_bdev_flags+0x431/0x4f0
[ 603.797737][T10702] ? __pfx_gfs2_fill_super+0x10/0x10
[ 603.797752][T10702] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 603.797768][T10702] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 603.797795][T10702] gfs2_get_tree+0x51/0x1e0
[ 603.797815][T10702] vfs_get_tree+0x92/0x2a0
[ 603.797834][T10702] do_new_mount+0x341/0xd30
[ 603.797854][T10702] ? apparmor_capable+0x126/0x170
[ 603.797878][T10702] ? __pfx_do_new_mount+0x10/0x10
[ 603.797898][T10702] ? ns_capable+0x89/0xe0
[ 603.797938][T10702] ? user_path_at+0xd4/0x160
[ 603.797957][T10702] __se_sys_mount+0x31d/0x420
[ 603.797983][T10702] ? __pfx___se_sys_mount+0x10/0x10
[ 603.798010][T10702] ? __x64_sys_mount+0x20/0xc0
[ 603.798030][T10702] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.798047][T10702] do_syscall_64+0x15f/0xf80
[ 603.798068][T10702] ? trace_irq_disable+0x3b/0x140
[ 603.798086][T10702] ? clear_bhb_loop+0x40/0x90
[ 603.798106][T10702] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.798122][T10702] RIP: 0033:0x7f335e6dba9a
[ 603.798138][T10702] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 603.798151][T10702] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 603.798170][T10702] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 603.798182][T10702] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 603.798194][T10702] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 603.798204][T10702] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 603.798215][T10702] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 603.798241][T10702]
[ 603.798279][T10702] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 604.355100][T10708] loop3: detected capacity change from 0 to 32768
[ 604.374287][T10702] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 604.401012][T10708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 604.426460][T10708] CPU: 1 UID: 0 PID: 10708 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 604.426485][T10708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 604.426495][T10708] Call Trace:
[ 604.426502][T10708]
[ 604.426509][T10708] dump_stack_lvl+0xe8/0x150
[ 604.426539][T10708] sysfs_create_dir_ns+0x271/0x2a0
[ 604.426565][T10708] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 604.426589][T10708] ? do_raw_spin_unlock+0xf5/0x210
[ 604.426612][T10708] kobject_add_internal+0x62b/0xd00
[ 604.426643][T10708] kobject_init_and_add+0x12b/0x1a0
[ 604.426670][T10708] ? __pfx_kobject_init_and_add+0x10/0x10
[ 604.426694][T10708] ? __raw_spin_lock_init+0x45/0x100
[ 604.426714][T10708] ? __init_swait_queue_head+0xa9/0x150
[ 604.426736][T10708] gfs2_sys_fs_add+0x257/0x480
[ 604.426756][T10708] ? is_dynamic_key+0x1ac/0x1c0
[ 604.426778][T10708] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 604.426810][T10708] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 604.426841][T10708] gfs2_fill_super+0x13a7/0x21d0
[ 604.426873][T10708] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.426894][T10708] ? sb_set_blocksize+0x155/0x240
[ 604.426918][T10708] ? setup_bdev_super+0x4c1/0x5b0
[ 604.426939][T10708] get_tree_bdev_flags+0x431/0x4f0
[ 604.426957][T10708] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.426973][T10708] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 604.426988][T10708] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 604.427016][T10708] gfs2_get_tree+0x51/0x1e0
[ 604.427035][T10708] vfs_get_tree+0x92/0x2a0
[ 604.427055][T10708] do_new_mount+0x341/0xd30
[ 604.427074][T10708] ? apparmor_capable+0x126/0x170
[ 604.427095][T10708] ? __pfx_do_new_mount+0x10/0x10
[ 604.427117][T10708] ? ns_capable+0x89/0xe0
[ 604.427146][T10708] ? user_path_at+0xd4/0x160
[ 604.427164][T10708] __se_sys_mount+0x31d/0x420
[ 604.427191][T10708] ? __pfx___se_sys_mount+0x10/0x10
[ 604.427218][T10708] ? __x64_sys_mount+0x20/0xc0
[ 604.427237][T10708] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.427255][T10708] do_syscall_64+0x15f/0xf80
[ 604.427273][T10708] ? trace_irq_disable+0x3b/0x140
[ 604.427293][T10708] ? clear_bhb_loop+0x40/0x90
[ 604.427313][T10708] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.427329][T10708] RIP: 0033:0x7f335e6dba9a
[ 604.427346][T10708] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 604.427359][T10708] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 604.427383][T10708] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 604.427395][T10708] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 604.427406][T10708] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 604.427418][T10708] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 604.427428][T10708] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 604.427455][T10708]
[ 604.427487][T10708] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 604.586083][T10703] loop2: detected capacity change from 0 to 32768
[ 604.707906][T10706] loop4: detected capacity change from 0 to 32768
executing program
[ 604.819787][T10706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 604.859148][T10706] CPU: 1 UID: 0 PID: 10706 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 604.859173][T10706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 604.859183][T10706] Call Trace:
[ 604.859191][T10706]
[ 604.859199][T10706] dump_stack_lvl+0xe8/0x150
[ 604.859228][T10706] sysfs_create_dir_ns+0x271/0x2a0
[ 604.859254][T10706] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 604.859278][T10706] ? do_raw_spin_unlock+0xf5/0x210
[ 604.859301][T10706] kobject_add_internal+0x62b/0xd00
[ 604.859333][T10706] kobject_init_and_add+0x12b/0x1a0
[ 604.859368][T10706] ? __pfx_kobject_init_and_add+0x10/0x10
[ 604.859392][T10706] ? __raw_spin_lock_init+0x45/0x100
[ 604.859412][T10706] ? __init_swait_queue_head+0xa9/0x150
[ 604.859434][T10706] gfs2_sys_fs_add+0x257/0x480
[ 604.859454][T10706] ? is_dynamic_key+0x1ac/0x1c0
[ 604.859476][T10706] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 604.859504][T10706] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 604.859534][T10706] gfs2_fill_super+0x13a7/0x21d0
[ 604.859565][T10706] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.859586][T10706] ? sb_set_blocksize+0x155/0x240
[ 604.859609][T10706] ? setup_bdev_super+0x4c1/0x5b0
[ 604.859631][T10706] get_tree_bdev_flags+0x431/0x4f0
[ 604.859649][T10706] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.859665][T10706] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 604.859680][T10706] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 604.859708][T10706] gfs2_get_tree+0x51/0x1e0
[ 604.859727][T10706] vfs_get_tree+0x92/0x2a0
[ 604.859746][T10706] do_new_mount+0x341/0xd30
[ 604.859765][T10706] ? apparmor_capable+0x126/0x170
[ 604.859787][T10706] ? __pfx_do_new_mount+0x10/0x10
[ 604.859813][T10706] ? ns_capable+0x89/0xe0
[ 604.859844][T10706] ? user_path_at+0xd4/0x160
[ 604.859863][T10706] __se_sys_mount+0x31d/0x420
[ 604.859889][T10706] ? __pfx___se_sys_mount+0x10/0x10
[ 604.859916][T10706] ? __x64_sys_mount+0x20/0xc0
[ 604.859935][T10706] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.859953][T10706] do_syscall_64+0x15f/0xf80
[ 604.859972][T10706] ? trace_irq_disable+0x3b/0x140
[ 604.859991][T10706] ? clear_bhb_loop+0x40/0x90
[ 604.860011][T10706] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.860027][T10706] RIP: 0033:0x7f335e6dba9a
[ 604.860043][T10706] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 604.860057][T10706] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 604.860076][T10706] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 604.860087][T10706] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 604.860099][T10706] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 604.860109][T10706] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 604.860120][T10706] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 604.860146][T10706]
[ 604.860170][T10706] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 605.144035][T10708] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 605.149367][T10706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 605.153269][T10703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 605.239745][T10715] loop0: detected capacity change from 0 to 32768
[ 605.261489][T10703] CPU: 1 UID: 0 PID: 10703 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 605.261513][T10703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 605.261524][T10703] Call Trace:
[ 605.261531][T10703]
[ 605.261538][T10703] dump_stack_lvl+0xe8/0x150
[ 605.261567][T10703] sysfs_create_dir_ns+0x271/0x2a0
[ 605.261593][T10703] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 605.261616][T10703] ? do_raw_spin_unlock+0xf5/0x210
[ 605.261639][T10703] kobject_add_internal+0x62b/0xd00
[ 605.261669][T10703] kobject_init_and_add+0x12b/0x1a0
[ 605.261696][T10703] ? __pfx_kobject_init_and_add+0x10/0x10
[ 605.261719][T10703] ? __raw_spin_lock_init+0x45/0x100
[ 605.261739][T10703] ? __init_swait_queue_head+0xa9/0x150
[ 605.261761][T10703] gfs2_sys_fs_add+0x257/0x480
[ 605.261781][T10703] ? is_dynamic_key+0x1ac/0x1c0
[ 605.261803][T10703] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 605.261830][T10703] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 605.261864][T10703] gfs2_fill_super+0x13a7/0x21d0
[ 605.261896][T10703] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.261917][T10703] ? sb_set_blocksize+0x155/0x240
[ 605.261942][T10703] ? setup_bdev_super+0x4c1/0x5b0
[ 605.261962][T10703] get_tree_bdev_flags+0x431/0x4f0
[ 605.261981][T10703] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.261997][T10703] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 605.262012][T10703] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 605.262039][T10703] gfs2_get_tree+0x51/0x1e0
[ 605.262058][T10703] vfs_get_tree+0x92/0x2a0
[ 605.262078][T10703] do_new_mount+0x341/0xd30
[ 605.262097][T10703] ? apparmor_capable+0x126/0x170
[ 605.262118][T10703] ? __pfx_do_new_mount+0x10/0x10
[ 605.262138][T10703] ? ns_capable+0x89/0xe0
[ 605.262170][T10703] ? user_path_at+0xd4/0x160
[ 605.262188][T10703] __se_sys_mount+0x31d/0x420
[ 605.262214][T10703] ? __pfx___se_sys_mount+0x10/0x10
[ 605.262240][T10703] ? __x64_sys_mount+0x20/0xc0
[ 605.262259][T10703] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.262277][T10703] do_syscall_64+0x15f/0xf80
[ 605.262303][T10703] ? trace_irq_disable+0x3b/0x140
[ 605.262323][T10703] ? clear_bhb_loop+0x40/0x90
[ 605.262343][T10703] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.262359][T10703] RIP: 0033:0x7f335e6dba9a
executing program
[ 605.262375][T10703] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 605.262389][T10703] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 605.262407][T10703] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 605.262419][T10703] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 605.262431][T10703] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 605.262442][T10703] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 605.262452][T10703] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 605.262480][T10703]
[ 605.262571][T10703] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 605.654327][T10715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 605.662048][T10715] CPU: 0 UID: 0 PID: 10715 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 605.662071][T10715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 605.662081][T10715] Call Trace:
[ 605.662088][T10715]
[ 605.662095][T10715] dump_stack_lvl+0xe8/0x150
[ 605.662123][T10715] sysfs_create_dir_ns+0x271/0x2a0
[ 605.662148][T10715] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 605.662169][T10715] ? do_raw_spin_unlock+0xf5/0x210
[ 605.662192][T10715] kobject_add_internal+0x62b/0xd00
[ 605.662224][T10715] kobject_init_and_add+0x12b/0x1a0
[ 605.662252][T10715] ? __pfx_kobject_init_and_add+0x10/0x10
[ 605.662275][T10715] ? __raw_spin_lock_init+0x45/0x100
[ 605.662295][T10715] ? __init_swait_queue_head+0xa9/0x150
[ 605.662317][T10715] gfs2_sys_fs_add+0x257/0x480
[ 605.662336][T10715] ? is_dynamic_key+0x1ac/0x1c0
[ 605.662358][T10715] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 605.662385][T10715] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 605.662416][T10715] gfs2_fill_super+0x13a7/0x21d0
[ 605.662447][T10715] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.662468][T10715] ? sb_set_blocksize+0x155/0x240
[ 605.662492][T10715] ? setup_bdev_super+0x4c1/0x5b0
[ 605.662520][T10715] get_tree_bdev_flags+0x431/0x4f0
[ 605.662538][T10715] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.662555][T10715] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 605.662571][T10715] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 605.662598][T10715] gfs2_get_tree+0x51/0x1e0
[ 605.662618][T10715] vfs_get_tree+0x92/0x2a0
[ 605.662637][T10715] do_new_mount+0x341/0xd30
[ 605.662656][T10715] ? apparmor_capable+0x126/0x170
[ 605.662677][T10715] ? __pfx_do_new_mount+0x10/0x10
[ 605.662697][T10715] ? ns_capable+0x89/0xe0
[ 605.662729][T10715] ? user_path_at+0xd4/0x160
[ 605.662746][T10715] __se_sys_mount+0x31d/0x420
[ 605.662771][T10715] ? __pfx___se_sys_mount+0x10/0x10
[ 605.662797][T10715] ? __x64_sys_mount+0x20/0xc0
[ 605.662817][T10715] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.662836][T10715] do_syscall_64+0x15f/0xf80
[ 605.662856][T10715] ? trace_irq_disable+0x3b/0x140
[ 605.662875][T10715] ? clear_bhb_loop+0x40/0x90
[ 605.662895][T10715] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.662911][T10715] RIP: 0033:0x7f335e6dba9a
[ 605.662926][T10715] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 605.662939][T10715] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 605.662957][T10715] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 605.662969][T10715] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 605.662980][T10715] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 605.662989][T10715] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 605.662999][T10715] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 605.663026][T10715]
executing program
[ 605.663050][T10715] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 605.752395][T10703] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 605.981132][T10715] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 606.684119][T10718] loop4: detected capacity change from 0 to 32768
[ 606.715692][T10718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 606.733446][T10718] CPU: 1 UID: 0 PID: 10718 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 606.733470][T10718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 606.733480][T10718] Call Trace:
[ 606.733487][T10718]
[ 606.733495][T10718] dump_stack_lvl+0xe8/0x150
[ 606.733523][T10718] sysfs_create_dir_ns+0x271/0x2a0
[ 606.733549][T10718] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 606.733573][T10718] ? do_raw_spin_unlock+0xf5/0x210
[ 606.733596][T10718] kobject_add_internal+0x62b/0xd00
[ 606.733628][T10718] kobject_init_and_add+0x12b/0x1a0
[ 606.733656][T10718] ? __pfx_kobject_init_and_add+0x10/0x10
[ 606.733680][T10718] ? __raw_spin_lock_init+0x45/0x100
[ 606.733700][T10718] ? __init_swait_queue_head+0xa9/0x150
[ 606.733722][T10718] gfs2_sys_fs_add+0x257/0x480
[ 606.733741][T10718] ? is_dynamic_key+0x1ac/0x1c0
[ 606.733763][T10718] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 606.733791][T10718] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 606.733823][T10718] gfs2_fill_super+0x13a7/0x21d0
[ 606.733854][T10718] ? __pfx_gfs2_fill_super+0x10/0x10
[ 606.733877][T10718] ? sb_set_blocksize+0x155/0x240
[ 606.733899][T10718] ? setup_bdev_super+0x4c1/0x5b0
[ 606.733919][T10718] get_tree_bdev_flags+0x431/0x4f0
[ 606.733936][T10718] ? __pfx_gfs2_fill_super+0x10/0x10
[ 606.733950][T10718] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 606.733966][T10718] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 606.733991][T10718] gfs2_get_tree+0x51/0x1e0
[ 606.734009][T10718] vfs_get_tree+0x92/0x2a0
[ 606.734028][T10718] do_new_mount+0x341/0xd30
[ 606.734048][T10718] ? apparmor_capable+0x126/0x170
[ 606.734069][T10718] ? __pfx_do_new_mount+0x10/0x10
[ 606.734089][T10718] ? ns_capable+0x89/0xe0
[ 606.734121][T10718] ? user_path_at+0xd4/0x160
[ 606.734138][T10718] __se_sys_mount+0x31d/0x420
[ 606.734165][T10718] ? __pfx___se_sys_mount+0x10/0x10
[ 606.734191][T10718] ? __x64_sys_mount+0x20/0xc0
[ 606.734219][T10718] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.734237][T10718] do_syscall_64+0x15f/0xf80
[ 606.734257][T10718] ? trace_irq_disable+0x3b/0x140
[ 606.734276][T10718] ? clear_bhb_loop+0x40/0x90
[ 606.734296][T10718] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.734312][T10718] RIP: 0033:0x7f335e6dba9a
[ 606.734329][T10718] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 606.734342][T10718] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 606.734359][T10718] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 606.734371][T10718] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 606.734382][T10718] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 606.734393][T10718] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 606.734404][T10718] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 606.734431][T10718]
[ 607.072511][T10722] loop3: detected capacity change from 0 to 32768
[ 607.219112][T10723] loop0: detected capacity change from 0 to 32768
[ 607.227333][T10718] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 607.241321][T10718] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 607.256970][T10722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 607.264711][T10722] CPU: 0 UID: 0 PID: 10722 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 607.264734][T10722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 607.264744][T10722] Call Trace:
[ 607.264751][T10722]
[ 607.264759][T10722] dump_stack_lvl+0xe8/0x150
[ 607.264788][T10722] sysfs_create_dir_ns+0x271/0x2a0
[ 607.264813][T10722] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 607.264842][T10722] ? do_raw_spin_unlock+0xf5/0x210
[ 607.264864][T10722] kobject_add_internal+0x62b/0xd00
[ 607.264893][T10722] kobject_init_and_add+0x12b/0x1a0
[ 607.264919][T10722] ? __pfx_kobject_init_and_add+0x10/0x10
[ 607.264940][T10722] ? __raw_spin_lock_init+0x45/0x100
[ 607.264960][T10722] ? __init_swait_queue_head+0xa9/0x150
[ 607.264982][T10722] gfs2_sys_fs_add+0x257/0x480
[ 607.265001][T10722] ? is_dynamic_key+0x1ac/0x1c0
[ 607.265021][T10722] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 607.265046][T10722] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 607.265073][T10722] gfs2_fill_super+0x13a7/0x21d0
[ 607.265100][T10722] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.265120][T10722] ? sb_set_blocksize+0x155/0x240
[ 607.265143][T10722] ? setup_bdev_super+0x4c1/0x5b0
[ 607.265162][T10722] get_tree_bdev_flags+0x431/0x4f0
[ 607.265177][T10722] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.265200][T10722] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 607.265214][T10722] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 607.265238][T10722] gfs2_get_tree+0x51/0x1e0
[ 607.265255][T10722] vfs_get_tree+0x92/0x2a0
[ 607.265274][T10722] do_new_mount+0x341/0xd30
executing program
[ 607.265292][T10722] ? apparmor_capable+0x126/0x170
[ 607.265312][T10722] ? __pfx_do_new_mount+0x10/0x10
[ 607.265332][T10722] ? ns_capable+0x89/0xe0
[ 607.265363][T10722] ? user_path_at+0xd4/0x160
[ 607.265380][T10722] __se_sys_mount+0x31d/0x420
[ 607.265407][T10722] ? __pfx___se_sys_mount+0x10/0x10
[ 607.265432][T10722] ? __x64_sys_mount+0x20/0xc0
[ 607.265452][T10722] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.265469][T10722] do_syscall_64+0x15f/0xf80
[ 607.265489][T10722] ? trace_irq_disable+0x3b/0x140
[ 607.265508][T10722] ? clear_bhb_loop+0x40/0x90
[ 607.265527][T10722] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.265542][T10722] RIP: 0033:0x7f335e6dba9a
[ 607.265556][T10722] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 607.265569][T10722] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 607.265586][T10722] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 607.265597][T10722] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 607.265608][T10722] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 607.265619][T10722] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 607.265630][T10722] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 607.265655][T10722]
[ 607.265690][T10722] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 607.274279][T10724] loop2: detected capacity change from 0 to 32768
[ 607.292483][T10722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 607.432289][T10723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 607.630624][T10724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
executing program
[ 607.728214][T10724] CPU: 0 UID: 0 PID: 10724 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 607.728239][T10724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 607.728250][T10724] Call Trace:
[ 607.728258][T10724]
[ 607.728265][T10724] dump_stack_lvl+0xe8/0x150
[ 607.728294][T10724] sysfs_create_dir_ns+0x271/0x2a0
[ 607.728320][T10724] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 607.728344][T10724] ? do_raw_spin_unlock+0xf5/0x210
[ 607.728367][T10724] kobject_add_internal+0x62b/0xd00
[ 607.728398][T10724] kobject_init_and_add+0x12b/0x1a0
[ 607.728425][T10724] ? __pfx_kobject_init_and_add+0x10/0x10
[ 607.728449][T10724] ? __raw_spin_lock_init+0x45/0x100
[ 607.728469][T10724] ? __init_swait_queue_head+0xa9/0x150
[ 607.728492][T10724] gfs2_sys_fs_add+0x257/0x480
[ 607.728511][T10724] ? is_dynamic_key+0x1ac/0x1c0
[ 607.728532][T10724] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 607.728559][T10724] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 607.728590][T10724] gfs2_fill_super+0x13a7/0x21d0
[ 607.728619][T10724] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.728639][T10724] ? sb_set_blocksize+0x155/0x240
[ 607.728665][T10724] ? setup_bdev_super+0x4c1/0x5b0
[ 607.728684][T10724] get_tree_bdev_flags+0x431/0x4f0
[ 607.728703][T10724] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.728719][T10724] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 607.728734][T10724] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 607.728762][T10724] gfs2_get_tree+0x51/0x1e0
[ 607.728781][T10724] vfs_get_tree+0x92/0x2a0
[ 607.728801][T10724] do_new_mount+0x341/0xd30
[ 607.728821][T10724] ? apparmor_capable+0x126/0x170
[ 607.728843][T10724] ? __pfx_do_new_mount+0x10/0x10
[ 607.728863][T10724] ? ns_capable+0x89/0xe0
[ 607.728894][T10724] ? user_path_at+0xd4/0x160
[ 607.728911][T10724] __se_sys_mount+0x31d/0x420
[ 607.728938][T10724] ? __pfx___se_sys_mount+0x10/0x10
[ 607.728964][T10724] ? __x64_sys_mount+0x20/0xc0
[ 607.728984][T10724] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.729002][T10724] do_syscall_64+0x15f/0xf80
[ 607.729022][T10724] ? trace_irq_disable+0x3b/0x140
[ 607.729041][T10724] ? clear_bhb_loop+0x40/0x90
[ 607.729067][T10724] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.729083][T10724] RIP: 0033:0x7f335e6dba9a
[ 607.729100][T10724] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 607.729113][T10724] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 607.729138][T10724] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 607.729150][T10724] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 607.729161][T10724] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 607.729173][T10724] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 607.729184][T10724] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 607.729211][T10724]
[ 607.729235][T10724] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 607.733987][T10723] CPU: 1 UID: 0 PID: 10723 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 607.734010][T10723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 607.734020][T10723] Call Trace:
[ 607.734027][T10723]
[ 607.734034][T10723] dump_stack_lvl+0xe8/0x150
[ 607.734061][T10723] sysfs_create_dir_ns+0x271/0x2a0
[ 607.734086][T10723] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 607.734109][T10723] ? do_raw_spin_unlock+0xf5/0x210
[ 607.734131][T10723] kobject_add_internal+0x62b/0xd00
[ 607.734161][T10723] kobject_init_and_add+0x12b/0x1a0
[ 607.734187][T10723] ? __pfx_kobject_init_and_add+0x10/0x10
[ 607.734210][T10723] ? __raw_spin_lock_init+0x45/0x100
[ 607.734229][T10723] ? __init_swait_queue_head+0xa9/0x150
[ 607.734251][T10723] gfs2_sys_fs_add+0x257/0x480
[ 607.734268][T10723] ? is_dynamic_key+0x1ac/0x1c0
[ 607.734289][T10723] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 607.734315][T10723] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 607.734346][T10723] gfs2_fill_super+0x13a7/0x21d0
[ 607.734375][T10723] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.734400][T10723] ? sb_set_blocksize+0x155/0x240
[ 607.734424][T10723] ? setup_bdev_super+0x4c1/0x5b0
[ 607.734444][T10723] get_tree_bdev_flags+0x431/0x4f0
[ 607.734462][T10723] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.734476][T10723] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 607.734491][T10723] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 607.734517][T10723] gfs2_get_tree+0x51/0x1e0
[ 607.734536][T10723] vfs_get_tree+0x92/0x2a0
[ 607.734555][T10723] do_new_mount+0x341/0xd30
[ 607.734573][T10723] ? apparmor_capable+0x126/0x170
[ 607.734593][T10723] ? __pfx_do_new_mount+0x10/0x10
[ 607.734613][T10723] ? ns_capable+0x89/0xe0
[ 607.734643][T10723] ? user_path_at+0xd4/0x160
[ 607.734660][T10723] __se_sys_mount+0x31d/0x420
[ 607.734685][T10723] ? __pfx___se_sys_mount+0x10/0x10
[ 607.734709][T10723] ? __x64_sys_mount+0x20/0xc0
[ 607.734729][T10723] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.734746][T10723] do_syscall_64+0x15f/0xf80
[ 607.734764][T10723] ? trace_irq_disable+0x3b/0x140
[ 607.734782][T10723] ? clear_bhb_loop+0x40/0x90
[ 607.734801][T10723] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.734816][T10723] RIP: 0033:0x7f335e6dba9a
[ 607.734831][T10723] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 607.734844][T10723] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 607.734860][T10723] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 607.734871][T10723] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 607.734883][T10723] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 607.734893][T10723] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 607.734902][T10723] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 607.734928][T10723]
executing program
[ 607.734952][T10723] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 607.805053][T10724] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 608.008526][T10723] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[ 609.008318][T10734] loop3: detected capacity change from 0 to 32768
[ 609.028952][T10734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 609.050747][T10734] CPU: 1 UID: 0 PID: 10734 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 609.050771][T10734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 609.050782][T10734] Call Trace:
[ 609.050789][T10734]
[ 609.050796][T10734] dump_stack_lvl+0xe8/0x150
[ 609.050825][T10734] sysfs_create_dir_ns+0x271/0x2a0
[ 609.050851][T10734] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 609.050875][T10734] ? do_raw_spin_unlock+0xf5/0x210
[ 609.050897][T10734] kobject_add_internal+0x62b/0xd00
[ 609.050928][T10734] kobject_init_and_add+0x12b/0x1a0
[ 609.050955][T10734] ? __pfx_kobject_init_and_add+0x10/0x10
[ 609.050979][T10734] ? __raw_spin_lock_init+0x45/0x100
[ 609.050998][T10734] ? __init_swait_queue_head+0xa9/0x150
[ 609.051020][T10734] gfs2_sys_fs_add+0x257/0x480
[ 609.051040][T10734] ? is_dynamic_key+0x1ac/0x1c0
[ 609.051062][T10734] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 609.051089][T10734] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 609.051120][T10734] gfs2_fill_super+0x13a7/0x21d0
[ 609.051152][T10734] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.051172][T10734] ? sb_set_blocksize+0x155/0x240
[ 609.051197][T10734] ? setup_bdev_super+0x4c1/0x5b0
[ 609.051224][T10734] get_tree_bdev_flags+0x431/0x4f0
[ 609.051242][T10734] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.051258][T10734] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 609.051273][T10734] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 609.051299][T10734] gfs2_get_tree+0x51/0x1e0
[ 609.051318][T10734] vfs_get_tree+0x92/0x2a0
[ 609.051338][T10734] do_new_mount+0x341/0xd30
[ 609.051357][T10734] ? apparmor_capable+0x126/0x170
[ 609.051379][T10734] ? __pfx_do_new_mount+0x10/0x10
[ 609.051399][T10734] ? ns_capable+0x89/0xe0
[ 609.051430][T10734] ? user_path_at+0xd4/0x160
[ 609.051448][T10734] __se_sys_mount+0x31d/0x420
[ 609.051475][T10734] ? __pfx___se_sys_mount+0x10/0x10
[ 609.051501][T10734] ? __x64_sys_mount+0x20/0xc0
[ 609.051520][T10734] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.051538][T10734] do_syscall_64+0x15f/0xf80
[ 609.051557][T10734] ? trace_irq_disable+0x3b/0x140
[ 609.051575][T10734] ? clear_bhb_loop+0x40/0x90
[ 609.051595][T10734] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.051610][T10734] RIP: 0033:0x7f335e6dba9a
[ 609.051626][T10734] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 609.051640][T10734] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 609.051658][T10734] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 609.051669][T10734] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 609.051681][T10734] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 609.051692][T10734] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 609.051702][T10734] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 609.051728][T10734]
[ 609.051750][T10734] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 609.471058][T10735] loop4: detected capacity change from 0 to 32768
[ 609.502452][T10734] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 609.514330][T10735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 609.546785][T10735] CPU: 0 UID: 0 PID: 10735 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 609.546811][T10735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 609.546821][T10735] Call Trace:
[ 609.546829][T10735]
[ 609.546837][T10735] dump_stack_lvl+0xe8/0x150
[ 609.546879][T10735] sysfs_create_dir_ns+0x271/0x2a0
[ 609.546905][T10735] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 609.546929][T10735] ? do_raw_spin_unlock+0xf5/0x210
[ 609.546953][T10735] kobject_add_internal+0x62b/0xd00
[ 609.546984][T10735] kobject_init_and_add+0x12b/0x1a0
[ 609.547012][T10735] ? __pfx_kobject_init_and_add+0x10/0x10
[ 609.547036][T10735] ? __raw_spin_lock_init+0x45/0x100
[ 609.547056][T10735] ? __init_swait_queue_head+0xa9/0x150
[ 609.547078][T10735] gfs2_sys_fs_add+0x257/0x480
[ 609.547095][T10735] ? is_dynamic_key+0x1ac/0x1c0
[ 609.547117][T10735] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 609.547144][T10735] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 609.547175][T10735] gfs2_fill_super+0x13a7/0x21d0
[ 609.547207][T10735] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.547227][T10735] ? sb_set_blocksize+0x155/0x240
[ 609.547252][T10735] ? setup_bdev_super+0x4c1/0x5b0
[ 609.547272][T10735] get_tree_bdev_flags+0x431/0x4f0
[ 609.547289][T10735] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.547304][T10735] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 609.547320][T10735] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 609.547355][T10735] gfs2_get_tree+0x51/0x1e0
[ 609.547375][T10735] vfs_get_tree+0x92/0x2a0
[ 609.547396][T10735] do_new_mount+0x341/0xd30
[ 609.547415][T10735] ? apparmor_capable+0x126/0x170
[ 609.547440][T10735] ? __pfx_do_new_mount+0x10/0x10
[ 609.547460][T10735] ? ns_capable+0x89/0xe0
[ 609.547491][T10735] ? user_path_at+0xd4/0x160
[ 609.547510][T10735] __se_sys_mount+0x31d/0x420
[ 609.547536][T10735] ? __pfx___se_sys_mount+0x10/0x10
[ 609.547562][T10735] ? __x64_sys_mount+0x20/0xc0
[ 609.547582][T10735] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.547599][T10735] do_syscall_64+0x15f/0xf80
[ 609.547619][T10735] ? trace_irq_disable+0x3b/0x140
[ 609.547639][T10735] ? clear_bhb_loop+0x40/0x90
[ 609.547666][T10735] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.547682][T10735] RIP: 0033:0x7f335e6dba9a
[ 609.547698][T10735] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 609.547712][T10735] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 609.547731][T10735] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 609.547744][T10735] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 609.547755][T10735] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 609.547766][T10735] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 609.547777][T10735] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 609.547803][T10735]
[ 609.547836][T10735] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 609.585937][T10736] loop2: detected capacity change from 0 to 32768
[ 609.817205][T10737] loop0: detected capacity change from 0 to 32768
[ 609.828139][T10735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 609.878756][T10736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 609.910416][T10736] CPU: 0 UID: 0 PID: 10736 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 609.910441][T10736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 609.910451][T10736] Call Trace:
[ 609.910459][T10736]
[ 609.910467][T10736] dump_stack_lvl+0xe8/0x150
[ 609.910496][T10736] sysfs_create_dir_ns+0x271/0x2a0
[ 609.910522][T10736] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 609.910546][T10736] ? do_raw_spin_unlock+0xf5/0x210
executing program
[ 609.910569][T10736] kobject_add_internal+0x62b/0xd00
[ 609.910600][T10736] kobject_init_and_add+0x12b/0x1a0
[ 609.910627][T10736] ? __pfx_kobject_init_and_add+0x10/0x10
[ 609.910651][T10736] ? __raw_spin_lock_init+0x45/0x100
[ 609.910670][T10736] ? __init_swait_queue_head+0xa9/0x150
[ 609.910691][T10736] gfs2_sys_fs_add+0x257/0x480
[ 609.910711][T10736] ? is_dynamic_key+0x1ac/0x1c0
[ 609.910733][T10736] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 609.910760][T10736] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 609.910792][T10736] gfs2_fill_super+0x13a7/0x21d0
[ 609.910822][T10736] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.910842][T10736] ? sb_set_blocksize+0x155/0x240
[ 609.910867][T10736] ? setup_bdev_super+0x4c1/0x5b0
[ 609.910887][T10736] get_tree_bdev_flags+0x431/0x4f0
[ 609.910905][T10736] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.910921][T10736] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 609.910936][T10736] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 609.910963][T10736] gfs2_get_tree+0x51/0x1e0
[ 609.910986][T10736] vfs_get_tree+0x92/0x2a0
[ 609.911006][T10736] do_new_mount+0x341/0xd30
[ 609.911025][T10736] ? apparmor_capable+0x126/0x170
[ 609.911046][T10736] ? __pfx_do_new_mount+0x10/0x10
[ 609.911071][T10736] ? ns_capable+0x89/0xe0
[ 609.911102][T10736] ? user_path_at+0xd4/0x160
[ 609.911121][T10736] __se_sys_mount+0x31d/0x420
[ 609.911147][T10736] ? __pfx___se_sys_mount+0x10/0x10
[ 609.911173][T10736] ? __x64_sys_mount+0x20/0xc0
[ 609.911192][T10736] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.911209][T10736] do_syscall_64+0x15f/0xf80
[ 609.911229][T10736] ? trace_irq_disable+0x3b/0x140
[ 609.911248][T10736] ? clear_bhb_loop+0x40/0x90
[ 609.911268][T10736] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.911282][T10736] RIP: 0033:0x7f335e6dba9a
[ 609.911299][T10736] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 609.911313][T10736] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 609.911331][T10736] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 609.911343][T10736] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 609.911354][T10736] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 609.911365][T10736] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 609.911376][T10736] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 609.911403][T10736]
[ 609.913022][T10736] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 609.998538][T10737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 610.004516][T10736] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 610.033208][T10737] CPU: 1 UID: 0 PID: 10737 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 610.033233][T10737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 610.033244][T10737] Call Trace:
[ 610.033251][T10737]
[ 610.033259][T10737] dump_stack_lvl+0xe8/0x150
[ 610.033287][T10737] sysfs_create_dir_ns+0x271/0x2a0
[ 610.033312][T10737] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 610.033335][T10737] ? do_raw_spin_unlock+0xf5/0x210
[ 610.033357][T10737] kobject_add_internal+0x62b/0xd00
[ 610.033388][T10737] kobject_init_and_add+0x12b/0x1a0
[ 610.033414][T10737] ? __pfx_kobject_init_and_add+0x10/0x10
[ 610.033437][T10737] ? __raw_spin_lock_init+0x45/0x100
[ 610.033456][T10737] ? __init_swait_queue_head+0xa9/0x150
[ 610.033477][T10737] gfs2_sys_fs_add+0x257/0x480
[ 610.033496][T10737] ? is_dynamic_key+0x1ac/0x1c0
[ 610.033517][T10737] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 610.033544][T10737] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 610.033574][T10737] gfs2_fill_super+0x13a7/0x21d0
[ 610.033603][T10737] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.033622][T10737] ? sb_set_blocksize+0x155/0x240
[ 610.033645][T10737] ? setup_bdev_super+0x4c1/0x5b0
[ 610.033666][T10737] get_tree_bdev_flags+0x431/0x4f0
executing program
[ 610.033683][T10737] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.033698][T10737] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 610.033712][T10737] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 610.033738][T10737] gfs2_get_tree+0x51/0x1e0
[ 610.033756][T10737] vfs_get_tree+0x92/0x2a0
[ 610.033774][T10737] do_new_mount+0x341/0xd30
[ 610.033793][T10737] ? apparmor_capable+0x126/0x170
[ 610.033815][T10737] ? __pfx_do_new_mount+0x10/0x10
[ 610.033834][T10737] ? ns_capable+0x89/0xe0
[ 610.033866][T10737] ? user_path_at+0xd4/0x160
[ 610.033884][T10737] __se_sys_mount+0x31d/0x420
[ 610.033909][T10737] ? __pfx___se_sys_mount+0x10/0x10
[ 610.033934][T10737] ? __x64_sys_mount+0x20/0xc0
[ 610.033952][T10737] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.033970][T10737] do_syscall_64+0x15f/0xf80
[ 610.033990][T10737] ? trace_irq_disable+0x3b/0x140
[ 610.034008][T10737] ? clear_bhb_loop+0x40/0x90
[ 610.034027][T10737] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.034042][T10737] RIP: 0033:0x7f335e6dba9a
[ 610.034058][T10737] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 610.034071][T10737] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 610.034089][T10737] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 610.034106][T10737] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 610.034117][T10737] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
executing program
[ 610.034128][T10737] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 610.034138][T10737] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 610.034163][T10737]
[ 610.038727][T10737] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 610.554391][T10737] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 611.252983][T10749] loop2: detected capacity change from 0 to 32768
[ 611.271701][T10749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 611.286421][T10749] CPU: 1 UID: 0 PID: 10749 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 611.286446][T10749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 611.286455][T10749] Call Trace:
[ 611.286463][T10749]
[ 611.286470][T10749] dump_stack_lvl+0xe8/0x150
[ 611.286498][T10749] sysfs_create_dir_ns+0x271/0x2a0
[ 611.286523][T10749] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 611.286545][T10749] ? do_raw_spin_unlock+0xf5/0x210
[ 611.286567][T10749] kobject_add_internal+0x62b/0xd00
[ 611.286597][T10749] kobject_init_and_add+0x12b/0x1a0
[ 611.286623][T10749] ? __pfx_kobject_init_and_add+0x10/0x10
[ 611.286646][T10749] ? __raw_spin_lock_init+0x45/0x100
[ 611.286666][T10749] ? __init_swait_queue_head+0xa9/0x150
[ 611.286687][T10749] gfs2_sys_fs_add+0x257/0x480
[ 611.286707][T10749] ? is_dynamic_key+0x1ac/0x1c0
[ 611.286729][T10749] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 611.286755][T10749] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 611.286787][T10749] gfs2_fill_super+0x13a7/0x21d0
[ 611.286818][T10749] ? __pfx_gfs2_fill_super+0x10/0x10
[ 611.286838][T10749] ? sb_set_blocksize+0x155/0x240
[ 611.286868][T10749] ? setup_bdev_super+0x4c1/0x5b0
[ 611.286889][T10749] get_tree_bdev_flags+0x431/0x4f0
[ 611.286907][T10749] ? __pfx_gfs2_fill_super+0x10/0x10
[ 611.286923][T10749] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 611.286938][T10749] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 611.286964][T10749] gfs2_get_tree+0x51/0x1e0
[ 611.286984][T10749] vfs_get_tree+0x92/0x2a0
[ 611.287010][T10749] do_new_mount+0x341/0xd30
[ 611.287030][T10749] ? apparmor_capable+0x126/0x170
[ 611.287054][T10749] ? __pfx_do_new_mount+0x10/0x10
[ 611.287075][T10749] ? ns_capable+0x89/0xe0
[ 611.287106][T10749] ? user_path_at+0xd4/0x160
[ 611.287124][T10749] __se_sys_mount+0x31d/0x420
[ 611.287150][T10749] ? __pfx___se_sys_mount+0x10/0x10
[ 611.287177][T10749] ? __x64_sys_mount+0x20/0xc0
[ 611.287196][T10749] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.287214][T10749] do_syscall_64+0x15f/0xf80
[ 611.287233][T10749] ? trace_irq_disable+0x3b/0x140
[ 611.287252][T10749] ? clear_bhb_loop+0x40/0x90
[ 611.287272][T10749] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.287288][T10749] RIP: 0033:0x7f335e6dba9a
[ 611.287305][T10749] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 611.287318][T10749] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 611.287337][T10749] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 611.287349][T10749] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 611.287360][T10749] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 611.287370][T10749] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 611.287381][T10749] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 611.287407][T10749]
[ 611.288829][T10749] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 611.593197][T10745] loop4: detected capacity change from 0 to 32768
[ 611.735941][T10745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 611.743531][T10745] CPU: 0 UID: 0 PID: 10745 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 611.743553][T10745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 611.743564][T10745] Call Trace:
[ 611.743571][T10745]
[ 611.743578][T10745] dump_stack_lvl+0xe8/0x150
[ 611.743607][T10745] sysfs_create_dir_ns+0x271/0x2a0
[ 611.743633][T10745] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 611.743656][T10745] ? do_raw_spin_unlock+0xf5/0x210
[ 611.743679][T10745] kobject_add_internal+0x62b/0xd00
[ 611.743711][T10745] kobject_init_and_add+0x12b/0x1a0
[ 611.743738][T10745] ? __pfx_kobject_init_and_add+0x10/0x10
[ 611.743761][T10745] ? __raw_spin_lock_init+0x45/0x100
[ 611.743781][T10745] ? __init_swait_queue_head+0xa9/0x150
[ 611.743804][T10745] gfs2_sys_fs_add+0x257/0x480
[ 611.743823][T10745] ? is_dynamic_key+0x1ac/0x1c0
[ 611.743845][T10745] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 611.743880][T10745] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 611.743908][T10745] gfs2_fill_super+0x13a7/0x21d0
[ 611.743936][T10745] ? __pfx_gfs2_fill_super+0x10/0x10
[ 611.743955][T10745] ? sb_set_blocksize+0x155/0x240
[ 611.743978][T10745] ? setup_bdev_super+0x4c1/0x5b0
[ 611.743999][T10745] get_tree_bdev_flags+0x431/0x4f0
[ 611.744017][T10745] ? __pfx_gfs2_fill_super+0x10/0x10
[ 611.744036][T10745] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 611.744052][T10745] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 611.744077][T10745] gfs2_get_tree+0x51/0x1e0
[ 611.744097][T10745] vfs_get_tree+0x92/0x2a0
[ 611.744117][T10745] do_new_mount+0x341/0xd30
[ 611.744137][T10745] ? apparmor_capable+0x126/0x170
[ 611.744158][T10745] ? __pfx_do_new_mount+0x10/0x10
[ 611.744179][T10745] ? ns_capable+0x89/0xe0
[ 611.744214][T10745] ? user_path_at+0xd4/0x160
[ 611.744232][T10745] __se_sys_mount+0x31d/0x420
[ 611.744258][T10745] ? __pfx___se_sys_mount+0x10/0x10
[ 611.744285][T10745] ? __x64_sys_mount+0x20/0xc0
[ 611.744304][T10745] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.744322][T10745] do_syscall_64+0x15f/0xf80
[ 611.744342][T10745] ? trace_irq_disable+0x3b/0x140
[ 611.744361][T10745] ? clear_bhb_loop+0x40/0x90
[ 611.744381][T10745] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.744397][T10745] RIP: 0033:0x7f335e6dba9a
[ 611.744413][T10745] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 611.744427][T10745] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 611.744446][T10745] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 611.744458][T10745] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 611.744469][T10745] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 611.744480][T10745] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 611.744491][T10745] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 611.744518][T10745]
[ 611.779628][T10751] loop0: detected capacity change from 0 to 32768
[ 611.828030][T10745] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 611.882222][T10749] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 611.886559][T10745] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 611.943991][T10748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 612.108962][T10748] CPU: 0 UID: 0 PID: 10748 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 612.108985][T10748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 612.108994][T10748] Call Trace:
[ 612.109001][T10748]
[ 612.109008][T10748] dump_stack_lvl+0xe8/0x150
[ 612.109046][T10748] sysfs_create_dir_ns+0x271/0x2a0
[ 612.109077][T10748] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 612.109100][T10748] ? do_raw_spin_unlock+0xf5/0x210
[ 612.109123][T10748] kobject_add_internal+0x62b/0xd00
[ 612.109154][T10748] kobject_init_and_add+0x12b/0x1a0
[ 612.109182][T10748] ? __pfx_kobject_init_and_add+0x10/0x10
[ 612.109206][T10748] ? __raw_spin_lock_init+0x45/0x100
[ 612.109226][T10748] ? __init_swait_queue_head+0xa9/0x150
[ 612.109248][T10748] gfs2_sys_fs_add+0x257/0x480
[ 612.109268][T10748] ? is_dynamic_key+0x1ac/0x1c0
[ 612.109291][T10748] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 612.109318][T10748] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 612.109350][T10748] gfs2_fill_super+0x13a7/0x21d0
[ 612.109382][T10748] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.109402][T10748] ? sb_set_blocksize+0x155/0x240
[ 612.109436][T10748] ? setup_bdev_super+0x4c1/0x5b0
[ 612.109456][T10748] get_tree_bdev_flags+0x431/0x4f0
[ 612.109474][T10748] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.109490][T10748] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 612.109506][T10748] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 612.109533][T10748] gfs2_get_tree+0x51/0x1e0
[ 612.109553][T10748] vfs_get_tree+0x92/0x2a0
[ 612.109580][T10748] do_new_mount+0x341/0xd30
[ 612.109600][T10748] ? apparmor_capable+0x126/0x170
[ 612.109621][T10748] ? __pfx_do_new_mount+0x10/0x10
[ 612.109642][T10748] ? ns_capable+0x89/0xe0
[ 612.109673][T10748] ? user_path_at+0xd4/0x160
[ 612.109691][T10748] __se_sys_mount+0x31d/0x420
[ 612.109717][T10748] ? __pfx___se_sys_mount+0x10/0x10
[ 612.109743][T10748] ? __x64_sys_mount+0x20/0xc0
[ 612.109763][T10748] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.109781][T10748] do_syscall_64+0x15f/0xf80
[ 612.109800][T10748] ? trace_irq_disable+0x3b/0x140
[ 612.109820][T10748] ? clear_bhb_loop+0x40/0x90
[ 612.109845][T10748] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.109861][T10748] RIP: 0033:0x7f335e6dba9a
[ 612.109877][T10748] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 612.109892][T10748] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 612.109911][T10748] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 612.109923][T10748] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 612.109934][T10748] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 612.109945][T10748] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 612.109955][T10748] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 612.109982][T10748]
[ 612.110074][T10748] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 612.421312][T10748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 612.429407][T10751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 612.439193][T10751] CPU: 1 UID: 0 PID: 10751 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 612.439215][T10751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 612.439226][T10751] Call Trace:
[ 612.439234][T10751]
[ 612.439241][T10751] dump_stack_lvl+0xe8/0x150
[ 612.439269][T10751] sysfs_create_dir_ns+0x271/0x2a0
[ 612.439295][T10751] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 612.439319][T10751] ? do_raw_spin_unlock+0xf5/0x210
[ 612.439342][T10751] kobject_add_internal+0x62b/0xd00
[ 612.439374][T10751] kobject_init_and_add+0x12b/0x1a0
[ 612.439402][T10751] ? __pfx_kobject_init_and_add+0x10/0x10
[ 612.439425][T10751] ? __raw_spin_lock_init+0x45/0x100
[ 612.439445][T10751] ? __init_swait_queue_head+0xa9/0x150
[ 612.439467][T10751] gfs2_sys_fs_add+0x257/0x480
[ 612.439486][T10751] ? is_dynamic_key+0x1ac/0x1c0
[ 612.439509][T10751] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 612.439536][T10751] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 612.439582][T10751] gfs2_fill_super+0x13a7/0x21d0
[ 612.439613][T10751] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.439628][T10751] ? sb_set_blocksize+0x155/0x240
[ 612.439653][T10751] ? setup_bdev_super+0x4c1/0x5b0
[ 612.439674][T10751] get_tree_bdev_flags+0x431/0x4f0
[ 612.439692][T10751] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.439708][T10751] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 612.439723][T10751] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 612.439750][T10751] gfs2_get_tree+0x51/0x1e0
[ 612.439769][T10751] vfs_get_tree+0x92/0x2a0
[ 612.439789][T10751] do_new_mount+0x341/0xd30
[ 612.439814][T10751] ? apparmor_capable+0x126/0x170
[ 612.439834][T10751] ? __pfx_do_new_mount+0x10/0x10
[ 612.439854][T10751] ? ns_capable+0x89/0xe0
[ 612.439886][T10751] ? user_path_at+0xd4/0x160
[ 612.439904][T10751] __se_sys_mount+0x31d/0x420
[ 612.439930][T10751] ? __pfx___se_sys_mount+0x10/0x10
[ 612.439957][T10751] ? __x64_sys_mount+0x20/0xc0
[ 612.439976][T10751] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.439994][T10751] do_syscall_64+0x15f/0xf80
[ 612.440014][T10751] ? trace_irq_disable+0x3b/0x140
[ 612.440032][T10751] ? clear_bhb_loop+0x40/0x90
[ 612.440052][T10751] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.440068][T10751] RIP: 0033:0x7f335e6dba9a
[ 612.440085][T10751] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 612.440098][T10751] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 612.440117][T10751] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 612.440129][T10751] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
executing program
[ 612.440140][T10751] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 612.440152][T10751] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 612.440162][T10751] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 612.440189][T10751]
[ 612.440213][T10751] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[ 612.758947][T10751] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 613.671576][T10760] set_capacity_and_notify: 1 callbacks suppressed
[ 613.671593][T10760] loop4: detected capacity change from 0 to 32768
[ 613.711854][T10761] loop2: detected capacity change from 0 to 32768
[ 613.742421][T10761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 613.745152][T10760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 613.764295][T10761] CPU: 0 UID: 0 PID: 10761 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 613.764319][T10761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 613.764329][T10761] Call Trace:
[ 613.764337][T10761]
[ 613.764344][T10761] dump_stack_lvl+0xe8/0x150
[ 613.764373][T10761] sysfs_create_dir_ns+0x271/0x2a0
[ 613.764398][T10761] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 613.764422][T10761] ? do_raw_spin_unlock+0xf5/0x210
[ 613.764446][T10761] kobject_add_internal+0x62b/0xd00
[ 613.764484][T10761] kobject_init_and_add+0x12b/0x1a0
[ 613.764511][T10761] ? __pfx_kobject_init_and_add+0x10/0x10
[ 613.764535][T10761] ? __raw_spin_lock_init+0x45/0x100
[ 613.764554][T10761] ? __init_swait_queue_head+0xa9/0x150
[ 613.764577][T10761] gfs2_sys_fs_add+0x257/0x480
[ 613.764596][T10761] ? is_dynamic_key+0x1ac/0x1c0
[ 613.764618][T10761] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 613.764645][T10761] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 613.764676][T10761] gfs2_fill_super+0x13a7/0x21d0
[ 613.764707][T10761] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.764728][T10761] ? sb_set_blocksize+0x155/0x240
[ 613.764753][T10761] ? setup_bdev_super+0x4c1/0x5b0
[ 613.764773][T10761] get_tree_bdev_flags+0x431/0x4f0
[ 613.764791][T10761] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.764806][T10761] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 613.764821][T10761] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 613.764849][T10761] gfs2_get_tree+0x51/0x1e0
[ 613.764869][T10761] vfs_get_tree+0x92/0x2a0
[ 613.764888][T10761] do_new_mount+0x341/0xd30
[ 613.764908][T10761] ? apparmor_capable+0x126/0x170
[ 613.764931][T10761] ? __pfx_do_new_mount+0x10/0x10
[ 613.764951][T10761] ? ns_capable+0x89/0xe0
[ 613.764982][T10761] ? user_path_at+0xd4/0x160
[ 613.765000][T10761] __se_sys_mount+0x31d/0x420
[ 613.765025][T10761] ? __pfx___se_sys_mount+0x10/0x10
[ 613.765051][T10761] ? __x64_sys_mount+0x20/0xc0
[ 613.765071][T10761] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.765089][T10761] do_syscall_64+0x15f/0xf80
[ 613.765108][T10761] ? trace_irq_disable+0x3b/0x140
[ 613.765127][T10761] ? clear_bhb_loop+0x40/0x90
[ 613.765147][T10761] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.765163][T10761] RIP: 0033:0x7f335e6dba9a
[ 613.765179][T10761] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 613.765193][T10761] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 613.765211][T10761] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 613.765223][T10761] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 613.765234][T10761] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 613.765245][T10761] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 613.765256][T10761] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 613.765283][T10761]
[ 613.765306][T10761] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 613.835121][T10764] loop0: detected capacity change from 0 to 32768
[ 613.839774][T10761] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 613.862520][T10763] loop3: detected capacity change from 0 to 32768
[ 613.869275][T10760] CPU: 0 UID: 0 PID: 10760 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 613.869298][T10760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 613.869308][T10760] Call Trace:
[ 613.869316][T10760]
[ 613.869322][T10760] dump_stack_lvl+0xe8/0x150
[ 613.869350][T10760] sysfs_create_dir_ns+0x271/0x2a0
[ 613.869375][T10760] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 613.869397][T10760] ? do_raw_spin_unlock+0xf5/0x210
[ 613.869421][T10760] kobject_add_internal+0x62b/0xd00
[ 613.869452][T10760] kobject_init_and_add+0x12b/0x1a0
[ 613.869485][T10760] ? __pfx_kobject_init_and_add+0x10/0x10
[ 613.869509][T10760] ? __raw_spin_lock_init+0x45/0x100
[ 613.869528][T10760] ? __init_swait_queue_head+0xa9/0x150
[ 613.869549][T10760] gfs2_sys_fs_add+0x257/0x480
[ 613.869568][T10760] ? is_dynamic_key+0x1ac/0x1c0
[ 613.869590][T10760] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 613.869618][T10760] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 613.869647][T10760] gfs2_fill_super+0x13a7/0x21d0
[ 613.869677][T10760] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.869695][T10760] ? sb_set_blocksize+0x155/0x240
[ 613.869719][T10760] ? setup_bdev_super+0x4c1/0x5b0
[ 613.869739][T10760] get_tree_bdev_flags+0x431/0x4f0
[ 613.869756][T10760] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.869771][T10760] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 613.869785][T10760] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 613.869811][T10760] gfs2_get_tree+0x51/0x1e0
[ 613.869829][T10760] vfs_get_tree+0x92/0x2a0
[ 613.869848][T10760] do_new_mount+0x341/0xd30
[ 613.869866][T10760] ? apparmor_capable+0x126/0x170
[ 613.869886][T10760] ? __pfx_do_new_mount+0x10/0x10
[ 613.869905][T10760] ? ns_capable+0x89/0xe0
[ 613.869935][T10760] ? user_path_at+0xd4/0x160
[ 613.869952][T10760] __se_sys_mount+0x31d/0x420
[ 613.869977][T10760] ? __pfx___se_sys_mount+0x10/0x10
[ 613.870001][T10760] ? __x64_sys_mount+0x20/0xc0
[ 613.870020][T10760] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.870037][T10760] do_syscall_64+0x15f/0xf80
[ 613.870056][T10760] ? trace_irq_disable+0x3b/0x140
[ 613.870074][T10760] ? clear_bhb_loop+0x40/0x90
[ 613.870093][T10760] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.870108][T10760] RIP: 0033:0x7f335e6dba9a
[ 613.870123][T10760] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 613.870136][T10760] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 613.870153][T10760] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 613.870165][T10760] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 613.870175][T10760] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 613.870186][T10760] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
executing program
[ 613.870196][T10760] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 613.870221][T10760]
[ 613.870244][T10760] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 614.396807][T10764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 614.440088][T10764] CPU: 1 UID: 0 PID: 10764 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 614.440113][T10764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 614.440124][T10764] Call Trace:
[ 614.440131][T10764]
[ 614.440139][T10764] dump_stack_lvl+0xe8/0x150
[ 614.440168][T10764] sysfs_create_dir_ns+0x271/0x2a0
[ 614.440193][T10764] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 614.440218][T10764] ? do_raw_spin_unlock+0xf5/0x210
[ 614.440241][T10764] kobject_add_internal+0x62b/0xd00
[ 614.440272][T10764] kobject_init_and_add+0x12b/0x1a0
[ 614.440300][T10764] ? __pfx_kobject_init_and_add+0x10/0x10
[ 614.440324][T10764] ? __raw_spin_lock_init+0x45/0x100
[ 614.440343][T10764] ? __init_swait_queue_head+0xa9/0x150
[ 614.440365][T10764] gfs2_sys_fs_add+0x257/0x480
[ 614.440385][T10764] ? is_dynamic_key+0x1ac/0x1c0
[ 614.440408][T10764] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 614.440436][T10764] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 614.440467][T10764] gfs2_fill_super+0x13a7/0x21d0
[ 614.440499][T10764] ? __pfx_gfs2_fill_super+0x10/0x10
[ 614.440520][T10764] ? sb_set_blocksize+0x155/0x240
[ 614.440545][T10764] ? setup_bdev_super+0x4c1/0x5b0
[ 614.440566][T10764] get_tree_bdev_flags+0x431/0x4f0
[ 614.440585][T10764] ? __pfx_gfs2_fill_super+0x10/0x10
[ 614.440607][T10764] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 614.440622][T10764] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 614.440649][T10764] gfs2_get_tree+0x51/0x1e0
[ 614.440669][T10764] vfs_get_tree+0x92/0x2a0
[ 614.440688][T10764] do_new_mount+0x341/0xd30
[ 614.440708][T10764] ? apparmor_capable+0x126/0x170
[ 614.440729][T10764] ? __pfx_do_new_mount+0x10/0x10
[ 614.440750][T10764] ? ns_capable+0x89/0xe0
[ 614.440781][T10764] ? user_path_at+0xd4/0x160
[ 614.440799][T10764] __se_sys_mount+0x31d/0x420
[ 614.440826][T10764] ? __pfx___se_sys_mount+0x10/0x10
[ 614.440852][T10764] ? __x64_sys_mount+0x20/0xc0
[ 614.440872][T10764] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.440890][T10764] do_syscall_64+0x15f/0xf80
[ 614.440910][T10764] ? trace_irq_disable+0x3b/0x140
[ 614.440928][T10764] ? clear_bhb_loop+0x40/0x90
[ 614.440948][T10764] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.440964][T10764] RIP: 0033:0x7f335e6dba9a
[ 614.440980][T10764] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 614.440993][T10764] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 614.441013][T10764] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 614.441025][T10764] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 614.441036][T10764] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 614.441047][T10764] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 614.441058][T10764] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 614.441085][T10764]
[ 614.441107][T10764] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 614.807793][T10764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 614.821256][T10760] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 614.838715][T10763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 614.846251][T10763] CPU: 0 UID: 0 PID: 10763 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 614.846275][T10763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 614.846286][T10763] Call Trace:
[ 614.846294][T10763]
[ 614.846301][T10763] dump_stack_lvl+0xe8/0x150
[ 614.846337][T10763] sysfs_create_dir_ns+0x271/0x2a0
[ 614.846363][T10763] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 614.846387][T10763] ? do_raw_spin_unlock+0xf5/0x210
[ 614.846410][T10763] kobject_add_internal+0x62b/0xd00
[ 614.846441][T10763] kobject_init_and_add+0x12b/0x1a0
[ 614.846469][T10763] ? __pfx_kobject_init_and_add+0x10/0x10
[ 614.846493][T10763] ? __raw_spin_lock_init+0x45/0x100
[ 614.846513][T10763] ? __init_swait_queue_head+0xa9/0x150
[ 614.846535][T10763] gfs2_sys_fs_add+0x257/0x480
[ 614.846554][T10763] ? is_dynamic_key+0x1ac/0x1c0
[ 614.846575][T10763] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 614.846603][T10763] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 614.846634][T10763] gfs2_fill_super+0x13a7/0x21d0
[ 614.846666][T10763] ? __pfx_gfs2_fill_super+0x10/0x10
[ 614.846686][T10763] ? sb_set_blocksize+0x155/0x240
[ 614.846711][T10763] ? setup_bdev_super+0x4c1/0x5b0
[ 614.846732][T10763] get_tree_bdev_flags+0x431/0x4f0
[ 614.846750][T10763] ? __pfx_gfs2_fill_super+0x10/0x10
[ 614.846765][T10763] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 614.846780][T10763] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 614.846808][T10763] gfs2_get_tree+0x51/0x1e0
[ 614.846827][T10763] vfs_get_tree+0x92/0x2a0
[ 614.846847][T10763] do_new_mount+0x341/0xd30
[ 614.846867][T10763] ? apparmor_capable+0x126/0x170
[ 614.846889][T10763] ? __pfx_do_new_mount+0x10/0x10
[ 614.846910][T10763] ? ns_capable+0x89/0xe0
[ 614.846941][T10763] ? user_path_at+0xd4/0x160
[ 614.846959][T10763] __se_sys_mount+0x31d/0x420
[ 614.846986][T10763] ? __pfx___se_sys_mount+0x10/0x10
[ 614.847013][T10763] ? __x64_sys_mount+0x20/0xc0
[ 614.847033][T10763] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.847051][T10763] do_syscall_64+0x15f/0xf80
[ 614.847070][T10763] ? trace_irq_disable+0x3b/0x140
[ 614.847089][T10763] ? clear_bhb_loop+0x40/0x90
[ 614.847109][T10763] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.847125][T10763] RIP: 0033:0x7f335e6dba9a
[ 614.847142][T10763] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 614.847156][T10763] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 614.847174][T10763] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 614.847186][T10763] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
executing program
[ 614.847197][T10763] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 614.847208][T10763] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 614.847219][T10763] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 614.847246][T10763]
[ 614.847270][T10763] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[ 615.428968][T10763] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 615.435900][T10769] loop2: detected capacity change from 0 to 32768
[ 615.464603][T10769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 615.512262][T10769] CPU: 0 UID: 0 PID: 10769 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 615.512285][T10769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 615.512297][T10769] Call Trace:
[ 615.512304][T10769]
[ 615.512312][T10769] dump_stack_lvl+0xe8/0x150
[ 615.512341][T10769] sysfs_create_dir_ns+0x271/0x2a0
[ 615.512366][T10769] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 615.512389][T10769] ? do_raw_spin_unlock+0xf5/0x210
[ 615.512412][T10769] kobject_add_internal+0x62b/0xd00
[ 615.512444][T10769] kobject_init_and_add+0x12b/0x1a0
[ 615.512471][T10769] ? __pfx_kobject_init_and_add+0x10/0x10
[ 615.512495][T10769] ? __raw_spin_lock_init+0x45/0x100
[ 615.512515][T10769] ? __init_swait_queue_head+0xa9/0x150
[ 615.512543][T10769] gfs2_sys_fs_add+0x257/0x480
[ 615.512564][T10769] ? is_dynamic_key+0x1ac/0x1c0
[ 615.512586][T10769] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 615.512614][T10769] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 615.512646][T10769] gfs2_fill_super+0x13a7/0x21d0
[ 615.512677][T10769] ? __pfx_gfs2_fill_super+0x10/0x10
[ 615.512699][T10769] ? sb_set_blocksize+0x155/0x240
[ 615.512723][T10769] ? setup_bdev_super+0x4c1/0x5b0
[ 615.512743][T10769] get_tree_bdev_flags+0x431/0x4f0
[ 615.512762][T10769] ? __pfx_gfs2_fill_super+0x10/0x10
[ 615.512777][T10769] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 615.512793][T10769] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 615.512820][T10769] gfs2_get_tree+0x51/0x1e0
[ 615.512839][T10769] vfs_get_tree+0x92/0x2a0
[ 615.512859][T10769] do_new_mount+0x341/0xd30
[ 615.512878][T10769] ? apparmor_capable+0x126/0x170
[ 615.512900][T10769] ? __pfx_do_new_mount+0x10/0x10
[ 615.512920][T10769] ? ns_capable+0x89/0xe0
[ 615.512951][T10769] ? user_path_at+0xd4/0x160
[ 615.512969][T10769] __se_sys_mount+0x31d/0x420
[ 615.512996][T10769] ? __pfx___se_sys_mount+0x10/0x10
[ 615.513023][T10769] ? __x64_sys_mount+0x20/0xc0
[ 615.513042][T10769] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.513060][T10769] do_syscall_64+0x15f/0xf80
[ 615.513080][T10769] ? trace_irq_disable+0x3b/0x140
[ 615.513099][T10769] ? clear_bhb_loop+0x40/0x90
[ 615.513119][T10769] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.513135][T10769] RIP: 0033:0x7f335e6dba9a
[ 615.513151][T10769] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 615.513165][T10769] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 615.513183][T10769] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 615.513195][T10769] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 615.513206][T10769] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 615.513216][T10769] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 615.513226][T10769] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 615.513250][T10769]
[ 615.513272][T10769] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 615.824630][T10769] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[ 616.430815][T10776] loop0: detected capacity change from 0 to 32768
[ 616.469328][T10776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 616.505583][T10776] CPU: 1 UID: 0 PID: 10776 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full)
[ 616.505606][T10776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 616.505616][T10776] Call Trace:
[ 616.505623][T10776]
[ 616.505631][T10776] dump_stack_lvl+0xe8/0x150
[ 616.505659][T10776] sysfs_create_dir_ns+0x271/0x2a0
[ 616.505685][T10776] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 616.505709][T10776] ? do_raw_spin_unlock+0xf5/0x210
[ 616.505731][T10776] kobject_add_internal+0x62b/0xd00
[ 616.505764][T10776] kobject_init_and_add+0x12b/0x1a0
[ 616.505791][T10776] ? __pfx_kobject_init_and_add+0x10/0x10
[ 616.505815][T10776] ? __raw_spin_lock_init+0x45/0x100
[ 616.505836][T10776] ? __init_swait_queue_head+0xa9/0x150
[ 616.505858][T10776] gfs2_sys_fs_add+0x257/0x480
[ 616.505877][T10776] ? is_dynamic_key+0x1ac/0x1c0
[ 616.505899][T10776] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 616.505927][T10776] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 616.505959][T10776] gfs2_fill_super+0x13a7/0x21d0
[ 616.505991][T10776] ? __pfx_gfs2_fill_super+0x10/0x10
[ 616.506011][T10776] ? sb_set_blocksize+0x155/0x240
[ 616.506035][T10776] ? setup_bdev_super+0x4c1/0x5b0
[ 616.506070][T10776] get_tree_bdev_flags+0x431/0x4f0
[ 616.506089][T10776] ? __pfx_gfs2_fill_super+0x10/0x10
[ 616.506105][T10776] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 616.506120][T10776] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 616.506147][T10776] gfs2_get_tree+0x51/0x1e0
[ 616.506166][T10776] vfs_get_tree+0x92/0x2a0
[ 616.506185][T10776] do_new_mount+0x341/0xd30
[ 616.506205][T10776] ? apparmor_capable+0x126/0x170
[ 616.506226][T10776] ? __pfx_do_new_mount+0x10/0x10
[ 616.506246][T10776] ? ns_capable+0x89/0xe0
[ 616.506277][T10776] ? user_path_at+0xd4/0x160
[ 616.506295][T10776] __se_sys_mount+0x31d/0x420
[ 616.506322][T10776] ? __pfx___se_sys_mount+0x10/0x10
[ 616.506349][T10776] ? __x64_sys_mount+0x20/0xc0
[ 616.506368][T10776] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.506387][T10776] do_syscall_64+0x15f/0xf80
[ 616.506408][T10776] ? trace_irq_disable+0x3b/0x140
[ 616.506427][T10776] ? clear_bhb_loop+0x40/0x90
[ 616.506453][T10776] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.506470][T10776] RIP: 0033:0x7f335e6dba9a
[ 616.506486][T10776] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 616.506502][T10776] RSP: 002b:00007ffc5b357028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 616.506521][T10776] RAX: ffffffffffffffda RBX: 00007ffc5b357040 RCX: 00007f335e6dba9a
[ 616.506533][T10776] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffc5b357040
[ 616.506544][T10776] RBP: 0000200000012500 R08: 00007ffc5b357080 R09: 0000000000000000
[ 616.506555][T10776] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 616.506566][T10776] R13: 00007ffc5b357080 R14: 0000000000000003 R15: 0000000000000000
[ 616.506592][T10776]
[ 616.506627][T10776] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 616.807791][T10776] gfs2: fsid=syz:syz: error -17 adding sysfs files