0726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 578.420421][T10726] CPU: 0 UID: 0 PID: 10726 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 578.420445][T10726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 578.420455][T10726] Call Trace:
[ 578.420463][T10726]
[ 578.420471][T10726] dump_stack_lvl+0xe8/0x150
[ 578.420499][T10726] sysfs_create_dir_ns+0x271/0x2a0
[ 578.420526][T10726] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 578.420550][T10726] ? do_raw_spin_unlock+0xf5/0x210
[ 578.420574][T10726] kobject_add_internal+0x62b/0xd00
[ 578.420606][T10726] kobject_init_and_add+0x12b/0x1a0
[ 578.420633][T10726] ? __pfx_kobject_init_and_add+0x10/0x10
[ 578.420657][T10726] ? __raw_spin_lock_init+0x45/0x100
[ 578.420676][T10726] ? __init_swait_queue_head+0xa9/0x150
[ 578.420699][T10726] gfs2_sys_fs_add+0x257/0x480
[ 578.420718][T10726] ? is_dynamic_key+0x1ac/0x1c0
[ 578.420740][T10726] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 578.420768][T10726] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 578.420800][T10726] gfs2_fill_super+0x13a7/0x21d0
[ 578.420832][T10726] ? __pfx_gfs2_fill_super+0x10/0x10
[ 578.420852][T10726] ? sb_set_blocksize+0x155/0x240
[ 578.420877][T10726] ? setup_bdev_super+0x4c1/0x5b0
[ 578.420907][T10726] get_tree_bdev_flags+0x431/0x4f0
[ 578.420926][T10726] ? __pfx_gfs2_fill_super+0x10/0x10
[ 578.420941][T10726] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 578.420957][T10726] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 578.420984][T10726] gfs2_get_tree+0x51/0x1e0
[ 578.421004][T10726] vfs_get_tree+0x92/0x2a0
[ 578.421024][T10726] do_new_mount+0x341/0xd30
[ 578.421044][T10726] ? apparmor_capable+0x126/0x170
[ 578.421066][T10726] ? __pfx_do_new_mount+0x10/0x10
[ 578.421086][T10726] ? ns_capable+0x89/0xe0
[ 578.421118][T10726] ? user_path_at+0xd4/0x160
[ 578.421136][T10726] __se_sys_mount+0x31d/0x420
[ 578.421163][T10726] ? __pfx___se_sys_mount+0x10/0x10
[ 578.421190][T10726] ? __x64_sys_mount+0x20/0xc0
[ 578.421209][T10726] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.421227][T10726] do_syscall_64+0x15f/0xf80
[ 578.421247][T10726] ? trace_irq_disable+0x3b/0x140
[ 578.421266][T10726] ? clear_bhb_loop+0x40/0x90
[ 578.421286][T10726] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.421303][T10726] RIP: 0033:0x7f5fdf629a9a
[ 578.421319][T10726] 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
[ 578.421333][T10726] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 578.421352][T10726] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 578.421364][T10726] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 578.421375][T10726] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 578.421391][T10726] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 578.421401][T10726] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 578.421428][T10726]
[ 578.421491][T10726] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 578.425961][T10732] loop3: detected capacity change from 0 to 32768
[ 578.497741][T10726] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 578.747641][T10732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 578.774684][T10732] CPU: 1 UID: 0 PID: 10732 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 578.774710][T10732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
executing program
[ 578.774720][T10732] Call Trace:
[ 578.774727][T10732]
[ 578.774736][T10732] dump_stack_lvl+0xe8/0x150
[ 578.774764][T10732] sysfs_create_dir_ns+0x271/0x2a0
[ 578.774791][T10732] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 578.774814][T10732] ? do_raw_spin_unlock+0xf5/0x210
[ 578.774834][T10732] kobject_add_internal+0x62b/0xd00
[ 578.774863][T10732] kobject_init_and_add+0x12b/0x1a0
[ 578.774889][T10732] ? __pfx_kobject_init_and_add+0x10/0x10
[ 578.774913][T10732] ? __raw_spin_lock_init+0x45/0x100
[ 578.774933][T10732] ? __init_swait_queue_head+0xa9/0x150
[ 578.774955][T10732] gfs2_sys_fs_add+0x257/0x480
[ 578.774974][T10732] ? is_dynamic_key+0x1ac/0x1c0
[ 578.774997][T10732] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 578.775024][T10732] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 578.775060][T10732] gfs2_fill_super+0x13a7/0x21d0
[ 578.775092][T10732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 578.775112][T10732] ? sb_set_blocksize+0x155/0x240
[ 578.775137][T10732] ? setup_bdev_super+0x4c1/0x5b0
[ 578.775158][T10732] get_tree_bdev_flags+0x431/0x4f0
[ 578.775176][T10732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 578.775192][T10732] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 578.775208][T10732] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 578.775234][T10732] gfs2_get_tree+0x51/0x1e0
[ 578.775252][T10732] vfs_get_tree+0x92/0x2a0
[ 578.775271][T10732] do_new_mount+0x341/0xd30
[ 578.775290][T10732] ? apparmor_capable+0x126/0x170
[ 578.775311][T10732] ? __pfx_do_new_mount+0x10/0x10
[ 578.775331][T10732] ? ns_capable+0x89/0xe0
[ 578.775362][T10732] ? user_path_at+0xd4/0x160
[ 578.775380][T10732] __se_sys_mount+0x31d/0x420
[ 578.775406][T10732] ? __pfx___se_sys_mount+0x10/0x10
[ 578.775433][T10732] ? __x64_sys_mount+0x20/0xc0
[ 578.775453][T10732] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.775470][T10732] do_syscall_64+0x15f/0xf80
[ 578.775489][T10732] ? trace_irq_disable+0x3b/0x140
[ 578.775508][T10732] ? clear_bhb_loop+0x40/0x90
[ 578.775527][T10732] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.775547][T10732] RIP: 0033:0x7f5fdf629a9a
[ 578.775564][T10732] 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
[ 578.775577][T10732] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 578.775596][T10732] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 578.775732][T10732] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 578.775742][T10732] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 578.775753][T10732] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 578.775764][T10732] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 578.775791][T10732]
[ 579.096945][T10732] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 579.146929][T10732] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 579.772502][T10738] loop1: detected capacity change from 0 to 32768
[ 579.807287][T10738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 579.851047][T10738] CPU: 0 UID: 0 PID: 10738 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 579.851073][T10738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 579.851083][T10738] Call Trace:
[ 579.851091][T10738]
[ 579.851099][T10738] dump_stack_lvl+0xe8/0x150
[ 579.851128][T10738] sysfs_create_dir_ns+0x271/0x2a0
[ 579.851154][T10738] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 579.851177][T10738] ? do_raw_spin_unlock+0xf5/0x210
[ 579.851200][T10738] kobject_add_internal+0x62b/0xd00
[ 579.851231][T10738] kobject_init_and_add+0x12b/0x1a0
[ 579.851258][T10738] ? __pfx_kobject_init_and_add+0x10/0x10
[ 579.851282][T10738] ? __raw_spin_lock_init+0x45/0x100
[ 579.851302][T10738] ? __init_swait_queue_head+0xa9/0x150
[ 579.851324][T10738] gfs2_sys_fs_add+0x257/0x480
[ 579.851343][T10738] ? is_dynamic_key+0x1ac/0x1c0
[ 579.851366][T10738] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 579.851393][T10738] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 579.851426][T10738] gfs2_fill_super+0x13a7/0x21d0
[ 579.851457][T10738] ? __pfx_gfs2_fill_super+0x10/0x10
[ 579.851477][T10738] ? sb_set_blocksize+0x155/0x240
[ 579.851502][T10738] ? setup_bdev_super+0x4c1/0x5b0
[ 579.851522][T10738] get_tree_bdev_flags+0x431/0x4f0
[ 579.851540][T10738] ? __pfx_gfs2_fill_super+0x10/0x10
[ 579.851556][T10738] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 579.851578][T10738] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 579.851605][T10738] gfs2_get_tree+0x51/0x1e0
[ 579.851625][T10738] vfs_get_tree+0x92/0x2a0
[ 579.851645][T10738] do_new_mount+0x341/0xd30
[ 579.851665][T10738] ? apparmor_capable+0x126/0x170
[ 579.851687][T10738] ? __pfx_do_new_mount+0x10/0x10
[ 579.851707][T10738] ? ns_capable+0x89/0xe0
[ 579.851739][T10738] ? user_path_at+0xd4/0x160
[ 579.851757][T10738] __se_sys_mount+0x31d/0x420
[ 579.851784][T10738] ? __pfx___se_sys_mount+0x10/0x10
[ 579.851814][T10738] ? __x64_sys_mount+0x20/0xc0
[ 579.851833][T10738] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 579.851851][T10738] do_syscall_64+0x15f/0xf80
[ 579.851871][T10738] ? trace_irq_disable+0x3b/0x140
[ 579.851890][T10738] ? clear_bhb_loop+0x40/0x90
[ 579.851910][T10738] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 579.851926][T10738] RIP: 0033:0x7f5fdf629a9a
[ 579.851984][T10738] 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
[ 579.851999][T10738] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 579.852018][T10738] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 579.852030][T10738] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 579.852042][T10738] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 579.852053][T10738] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 579.852063][T10738] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 579.852090][T10738]
[ 579.865668][T10742] loop3: detected capacity change from 0 to 32768
[ 579.880417][T10738] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 579.913628][T10733] loop4: detected capacity change from 0 to 32768
[ 580.018460][T10738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 580.219525][T10742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 580.228515][T10733] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 580.250105][T10742] CPU: 1 UID: 0 PID: 10742 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 580.250130][T10742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 580.250141][T10742] Call Trace:
[ 580.250148][T10742]
[ 580.250156][T10742] dump_stack_lvl+0xe8/0x150
[ 580.250185][T10742] sysfs_create_dir_ns+0x271/0x2a0
[ 580.250212][T10742] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 580.250236][T10742] ? do_raw_spin_unlock+0xf5/0x210
[ 580.250259][T10742] kobject_add_internal+0x62b/0xd00
[ 580.250290][T10742] kobject_init_and_add+0x12b/0x1a0
[ 580.250318][T10742] ? __pfx_kobject_init_and_add+0x10/0x10
[ 580.250342][T10742] ? __raw_spin_lock_init+0x45/0x100
[ 580.250380][T10742] ? __init_swait_queue_head+0xa9/0x150
[ 580.250402][T10742] gfs2_sys_fs_add+0x257/0x480
[ 580.250422][T10742] ? is_dynamic_key+0x1ac/0x1c0
[ 580.250445][T10742] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 580.250472][T10742] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 580.250502][T10742] gfs2_fill_super+0x13a7/0x21d0
[ 580.250534][T10742] ? __pfx_gfs2_fill_super+0x10/0x10
[ 580.250554][T10742] ? sb_set_blocksize+0x155/0x240
[ 580.250579][T10742] ? setup_bdev_super+0x4c1/0x5b0
[ 580.250600][T10742] get_tree_bdev_flags+0x431/0x4f0
[ 580.250619][T10742] ? __pfx_gfs2_fill_super+0x10/0x10
[ 580.250634][T10742] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 580.250650][T10742] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 580.250676][T10742] gfs2_get_tree+0x51/0x1e0
[ 580.250696][T10742] vfs_get_tree+0x92/0x2a0
[ 580.250715][T10742] do_new_mount+0x341/0xd30
[ 580.250735][T10742] ? apparmor_capable+0x126/0x170
[ 580.250756][T10742] ? __pfx_do_new_mount+0x10/0x10
[ 580.250776][T10742] ? ns_capable+0x89/0xe0
[ 580.250813][T10742] ? user_path_at+0xd4/0x160
[ 580.250831][T10742] __se_sys_mount+0x31d/0x420
[ 580.250857][T10742] ? __pfx___se_sys_mount+0x10/0x10
[ 580.250883][T10742] ? __x64_sys_mount+0x20/0xc0
[ 580.250906][T10742] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.250924][T10742] do_syscall_64+0x15f/0xf80
[ 580.250944][T10742] ? trace_irq_disable+0x3b/0x140
[ 580.250964][T10742] ? clear_bhb_loop+0x40/0x90
[ 580.250984][T10742] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.251000][T10742] RIP: 0033:0x7f5fdf629a9a
[ 580.251016][T10742] 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
[ 580.251031][T10742] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 580.251049][T10742] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 580.251061][T10742] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
executing program
[ 580.251072][T10742] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 580.251083][T10742] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 580.251094][T10742] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 580.251120][T10742]
[ 580.251161][T10733] CPU: 1 UID: 0 PID: 10733 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 580.251179][T10733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 580.251188][T10733] Call Trace:
[ 580.251195][T10733]
[ 580.251202][T10733] dump_stack_lvl+0xe8/0x150
[ 580.251225][T10733] sysfs_create_dir_ns+0x271/0x2a0
[ 580.251249][T10733] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 580.251273][T10733] ? do_raw_spin_unlock+0xf5/0x210
[ 580.251295][T10733] kobject_add_internal+0x62b/0xd00
[ 580.251325][T10733] kobject_init_and_add+0x12b/0x1a0
[ 580.251353][T10733] ? __pfx_kobject_init_and_add+0x10/0x10
[ 580.251377][T10733] ? __raw_spin_lock_init+0x45/0x100
[ 580.251397][T10733] ? __init_swait_queue_head+0xa9/0x150
[ 580.251418][T10733] gfs2_sys_fs_add+0x257/0x480
[ 580.251436][T10733] ? is_dynamic_key+0x1ac/0x1c0
[ 580.251456][T10733] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 580.251483][T10733] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 580.251514][T10733] gfs2_fill_super+0x13a7/0x21d0
[ 580.251543][T10733] ? __pfx_gfs2_fill_super+0x10/0x10
[ 580.251564][T10733] ? sb_set_blocksize+0x155/0x240
[ 580.251587][T10733] ? setup_bdev_super+0x4c1/0x5b0
[ 580.251608][T10733] get_tree_bdev_flags+0x431/0x4f0
[ 580.251626][T10733] ? __pfx_gfs2_fill_super+0x10/0x10
[ 580.251641][T10733] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 580.251657][T10733] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 580.251682][T10733] gfs2_get_tree+0x51/0x1e0
[ 580.251702][T10733] vfs_get_tree+0x92/0x2a0
[ 580.251721][T10733] do_new_mount+0x341/0xd30
[ 580.251740][T10733] ? apparmor_capable+0x126/0x170
[ 580.251761][T10733] ? __pfx_do_new_mount+0x10/0x10
[ 580.251780][T10733] ? ns_capable+0x89/0xe0
[ 580.251817][T10733] ? user_path_at+0xd4/0x160
[ 580.251835][T10733] __se_sys_mount+0x31d/0x420
[ 580.251861][T10733] ? __pfx___se_sys_mount+0x10/0x10
[ 580.251888][T10733] ? __x64_sys_mount+0x20/0xc0
[ 580.251925][T10733] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.251944][T10733] do_syscall_64+0x15f/0xf80
[ 580.251962][T10733] ? trace_irq_disable+0x3b/0x140
[ 580.251981][T10733] ? clear_bhb_loop+0x40/0x90
[ 580.252000][T10733] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.252015][T10733] RIP: 0033:0x7f5fdf629a9a
[ 580.252030][T10733] 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
[ 580.252043][T10733] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 580.252058][T10733] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 580.252070][T10733] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 580.252081][T10733] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
executing program
[ 580.252092][T10733] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 580.252102][T10733] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 580.252129][T10733]
[ 580.252154][T10733] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 580.677009][T10742] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 580.682033][T10733] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 580.722929][T10742] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 581.301039][T10745] loop2: detected capacity change from 0 to 32768
[ 581.344010][T10745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 581.404308][T10745] CPU: 1 UID: 0 PID: 10745 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 581.404334][T10745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 581.404345][T10745] Call Trace:
[ 581.404353][T10745]
[ 581.404361][T10745] dump_stack_lvl+0xe8/0x150
[ 581.404391][T10745] sysfs_create_dir_ns+0x271/0x2a0
[ 581.404417][T10745] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 581.404440][T10745] ? do_raw_spin_unlock+0xf5/0x210
[ 581.404463][T10745] kobject_add_internal+0x62b/0xd00
[ 581.404495][T10745] kobject_init_and_add+0x12b/0x1a0
[ 581.404523][T10745] ? __pfx_kobject_init_and_add+0x10/0x10
[ 581.404546][T10745] ? __raw_spin_lock_init+0x45/0x100
[ 581.404566][T10745] ? __init_swait_queue_head+0xa9/0x150
[ 581.404588][T10745] gfs2_sys_fs_add+0x257/0x480
[ 581.404608][T10745] ? is_dynamic_key+0x1ac/0x1c0
[ 581.404630][T10745] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 581.404655][T10745] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 581.404693][T10745] gfs2_fill_super+0x13a7/0x21d0
[ 581.404723][T10745] ? __pfx_gfs2_fill_super+0x10/0x10
[ 581.404742][T10745] ? sb_set_blocksize+0x155/0x240
[ 581.404766][T10745] ? setup_bdev_super+0x4c1/0x5b0
[ 581.404785][T10745] get_tree_bdev_flags+0x431/0x4f0
[ 581.404821][T10745] ? __pfx_gfs2_fill_super+0x10/0x10
[ 581.404837][T10745] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 581.404852][T10745] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 581.404879][T10745] gfs2_get_tree+0x51/0x1e0
[ 581.404900][T10745] vfs_get_tree+0x92/0x2a0
[ 581.404918][T10745] do_new_mount+0x341/0xd30
[ 581.404939][T10745] ? apparmor_capable+0x126/0x170
[ 581.404960][T10745] ? __pfx_do_new_mount+0x10/0x10
[ 581.404981][T10745] ? ns_capable+0x89/0xe0
[ 581.405011][T10745] ? user_path_at+0xd4/0x160
[ 581.405030][T10745] __se_sys_mount+0x31d/0x420
[ 581.405056][T10745] ? __pfx___se_sys_mount+0x10/0x10
[ 581.405081][T10745] ? __x64_sys_mount+0x20/0xc0
[ 581.405101][T10745] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 581.405119][T10745] do_syscall_64+0x15f/0xf80
[ 581.405139][T10745] ? trace_irq_disable+0x3b/0x140
[ 581.405158][T10745] ? clear_bhb_loop+0x40/0x90
[ 581.405178][T10745] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 581.405194][T10745] RIP: 0033:0x7f5fdf629a9a
[ 581.405211][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
[ 581.405225][T10745] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 581.405243][T10745] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 581.405255][T10745] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 581.405266][T10745] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 581.405278][T10745] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 581.405288][T10745] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 581.405315][T10745]
[ 581.405340][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.
[ 581.839746][T10745] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 582.463700][T10761] loop4: detected capacity change from 0 to 32768
[ 582.473984][T10766] loop3: detected capacity change from 0 to 32768
[ 582.474458][T10764] loop1: detected capacity change from 0 to 32768
[ 582.499061][T10761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
executing program
[ 582.519302][T10766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 582.527857][T10764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 582.532636][T10761] CPU: 1 UID: 0 PID: 10761 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 582.532661][T10761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 582.532671][T10761] Call Trace:
[ 582.532679][T10761]
[ 582.532686][T10761] dump_stack_lvl+0xe8/0x150
[ 582.532715][T10761] sysfs_create_dir_ns+0x271/0x2a0
[ 582.532740][T10761] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 582.532763][T10761] ? do_raw_spin_unlock+0xf5/0x210
[ 582.532786][T10761] kobject_add_internal+0x62b/0xd00
[ 582.532817][T10761] kobject_init_and_add+0x12b/0x1a0
[ 582.532842][T10761] ? __pfx_kobject_init_and_add+0x10/0x10
[ 582.532865][T10761] ? __raw_spin_lock_init+0x45/0x100
[ 582.532884][T10761] ? __init_swait_queue_head+0xa9/0x150
[ 582.532905][T10761] gfs2_sys_fs_add+0x257/0x480
[ 582.532923][T10761] ? is_dynamic_key+0x1ac/0x1c0
[ 582.532943][T10761] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 582.532969][T10761] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 582.532998][T10761] gfs2_fill_super+0x13a7/0x21d0
[ 582.533028][T10761] ? __pfx_gfs2_fill_super+0x10/0x10
[ 582.533047][T10761] ? sb_set_blocksize+0x155/0x240
[ 582.533069][T10761] ? setup_bdev_super+0x4c1/0x5b0
[ 582.533090][T10761] get_tree_bdev_flags+0x431/0x4f0
[ 582.533107][T10761] ? __pfx_gfs2_fill_super+0x10/0x10
executing program
[ 582.533122][T10761] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 582.533137][T10761] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 582.533163][T10761] gfs2_get_tree+0x51/0x1e0
[ 582.533181][T10761] vfs_get_tree+0x92/0x2a0
[ 582.533200][T10761] do_new_mount+0x341/0xd30
[ 582.533219][T10761] ? apparmor_capable+0x126/0x170
[ 582.533240][T10761] ? __pfx_do_new_mount+0x10/0x10
[ 582.533259][T10761] ? ns_capable+0x89/0xe0
[ 582.533289][T10761] ? user_path_at+0xd4/0x160
[ 582.533306][T10761] __se_sys_mount+0x31d/0x420
[ 582.533331][T10761] ? __pfx___se_sys_mount+0x10/0x10
[ 582.533356][T10761] ? __x64_sys_mount+0x20/0xc0
[ 582.533374][T10761] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.533392][T10761] do_syscall_64+0x15f/0xf80
[ 582.533410][T10761] ? trace_irq_disable+0x3b/0x140
[ 582.533433][T10761] ? clear_bhb_loop+0x40/0x90
[ 582.533452][T10761] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.533468][T10761] RIP: 0033:0x7f5fdf629a9a
[ 582.533483][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
[ 582.533496][T10761] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 582.533514][T10761] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 582.533526][T10761] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 582.533536][T10761] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 582.533547][T10761] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 582.533557][T10761] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 582.533582][T10761]
[ 582.533606][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.
[ 582.557622][T10764] CPU: 0 UID: 0 PID: 10764 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 582.557646][T10764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 582.557656][T10764] Call Trace:
[ 582.557664][T10764]
[ 582.557671][T10764] dump_stack_lvl+0xe8/0x150
[ 582.557699][T10764] sysfs_create_dir_ns+0x271/0x2a0
[ 582.557724][T10764] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 582.557748][T10764] ? do_raw_spin_unlock+0xf5/0x210
[ 582.557770][T10764] kobject_add_internal+0x62b/0xd00
[ 582.557801][T10764] kobject_init_and_add+0x12b/0x1a0
[ 582.557826][T10764] ? __pfx_kobject_init_and_add+0x10/0x10
[ 582.557849][T10764] ? __raw_spin_lock_init+0x45/0x100
[ 582.557868][T10764] ? __init_swait_queue_head+0xa9/0x150
[ 582.557889][T10764] gfs2_sys_fs_add+0x257/0x480
[ 582.557908][T10764] ? is_dynamic_key+0x1ac/0x1c0
[ 582.557929][T10764] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 582.557955][T10764] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 582.557984][T10764] gfs2_fill_super+0x13a7/0x21d0
[ 582.558015][T10764] ? __pfx_gfs2_fill_super+0x10/0x10
[ 582.558033][T10764] ? sb_set_blocksize+0x155/0x240
[ 582.558058][T10764] ? setup_bdev_super+0x4c1/0x5b0
[ 582.558078][T10764] get_tree_bdev_flags+0x431/0x4f0
[ 582.558096][T10764] ? __pfx_gfs2_fill_super+0x10/0x10
[ 582.558120][T10764] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 582.558134][T10764] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 582.558160][T10764] gfs2_get_tree+0x51/0x1e0
[ 582.558179][T10764] vfs_get_tree+0x92/0x2a0
[ 582.558198][T10764] do_new_mount+0x341/0xd30
[ 582.558218][T10764] ? apparmor_capable+0x126/0x170
[ 582.558238][T10764] ? __pfx_do_new_mount+0x10/0x10
[ 582.558258][T10764] ? ns_capable+0x89/0xe0
[ 582.558288][T10764] ? user_path_at+0xd4/0x160
[ 582.558305][T10764] __se_sys_mount+0x31d/0x420
[ 582.558330][T10764] ? __pfx___se_sys_mount+0x10/0x10
[ 582.558355][T10764] ? __x64_sys_mount+0x20/0xc0
[ 582.558373][T10764] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.558397][T10764] do_syscall_64+0x15f/0xf80
[ 582.558417][T10764] ? trace_irq_disable+0x3b/0x140
[ 582.558436][T10764] ? clear_bhb_loop+0x40/0x90
[ 582.558454][T10764] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.558469][T10764] RIP: 0033:0x7f5fdf629a9a
[ 582.558486][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
[ 582.558499][T10764] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 582.558517][T10764] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 582.558529][T10764] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 582.558540][T10764] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 582.558549][T10764] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 582.558559][T10764] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 582.558585][T10764]
[ 582.558610][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.
[ 582.590641][T10761] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 582.601528][T10766] CPU: 0 UID: 0 PID: 10766 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 582.601551][T10766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 582.601561][T10766] Call Trace:
[ 582.601568][T10766]
[ 582.601575][T10766] dump_stack_lvl+0xe8/0x150
[ 582.601604][T10766] sysfs_create_dir_ns+0x271/0x2a0
[ 582.601629][T10766] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 582.601652][T10766] ? do_raw_spin_unlock+0xf5/0x210
[ 582.601674][T10766] kobject_add_internal+0x62b/0xd00
[ 582.601705][T10766] kobject_init_and_add+0x12b/0x1a0
[ 582.601731][T10766] ? __pfx_kobject_init_and_add+0x10/0x10
[ 582.601754][T10766] ? __raw_spin_lock_init+0x45/0x100
[ 582.601772][T10766] ? __init_swait_queue_head+0xa9/0x150
[ 582.601793][T10766] gfs2_sys_fs_add+0x257/0x480
[ 582.601812][T10766] ? is_dynamic_key+0x1ac/0x1c0
[ 582.601833][T10766] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 582.601860][T10766] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 582.601889][T10766] gfs2_fill_super+0x13a7/0x21d0
[ 582.601919][T10766] ? __pfx_gfs2_fill_super+0x10/0x10
[ 582.601939][T10766] ? sb_set_blocksize+0x155/0x240
[ 582.601961][T10766] ? setup_bdev_super+0x4c1/0x5b0
[ 582.601980][T10766] get_tree_bdev_flags+0x431/0x4f0
[ 582.601997][T10766] ? __pfx_gfs2_fill_super+0x10/0x10
[ 582.602020][T10766] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 582.602035][T10766] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 582.602060][T10766] gfs2_get_tree+0x51/0x1e0
[ 582.602078][T10766] vfs_get_tree+0x92/0x2a0
[ 582.602097][T10766] do_new_mount+0x341/0xd30
[ 582.602116][T10766] ? apparmor_capable+0x126/0x170
[ 582.602137][T10766] ? __pfx_do_new_mount+0x10/0x10
[ 582.602156][T10766] ? ns_capable+0x89/0xe0
[ 582.602185][T10766] ? user_path_at+0xd4/0x160
[ 582.602203][T10766] __se_sys_mount+0x31d/0x420
[ 582.602231][T10766] ? __pfx___se_sys_mount+0x10/0x10
[ 582.602257][T10766] ? __x64_sys_mount+0x20/0xc0
[ 582.602276][T10766] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.602292][T10766] do_syscall_64+0x15f/0xf80
[ 582.602310][T10766] ? trace_irq_disable+0x3b/0x140
[ 582.602329][T10766] ? clear_bhb_loop+0x40/0x90
[ 582.602353][T10766] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.602369][T10766] RIP: 0033:0x7f5fdf629a9a
[ 582.602384][T10766] 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
[ 582.602397][T10766] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 582.602414][T10766] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 582.602425][T10766] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 582.602436][T10766] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 582.602447][T10766] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 582.602457][T10766] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 582.602482][T10766]
[ 582.602513][T10766] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 582.897030][T10764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 583.161691][T10777] loop2: detected capacity change from 0 to 32768
[ 583.470898][T10766] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 583.681872][T10777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 583.706995][T10777] CPU: 1 UID: 0 PID: 10777 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 583.707024][T10777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 583.707033][T10777] Call Trace:
[ 583.707040][T10777]
[ 583.707047][T10777] dump_stack_lvl+0xe8/0x150
[ 583.707072][T10777] sysfs_create_dir_ns+0x271/0x2a0
[ 583.707095][T10777] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 583.707116][T10777] ? do_raw_spin_unlock+0xf5/0x210
[ 583.707137][T10777] kobject_add_internal+0x62b/0xd00
[ 583.707165][T10777] kobject_init_and_add+0x12b/0x1a0
[ 583.707190][T10777] ? __pfx_kobject_init_and_add+0x10/0x10
[ 583.707210][T10777] ? __raw_spin_lock_init+0x45/0x100
[ 583.707227][T10777] ? __init_swait_queue_head+0xa9/0x150
[ 583.707244][T10777] gfs2_sys_fs_add+0x257/0x480
[ 583.707272][T10777] ? is_dynamic_key+0x1ac/0x1c0
[ 583.707292][T10777] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 583.707316][T10777] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 583.707347][T10777] gfs2_fill_super+0x13a7/0x21d0
[ 583.707375][T10777] ? __pfx_gfs2_fill_super+0x10/0x10
[ 583.707393][T10777] ? sb_set_blocksize+0x155/0x240
[ 583.707416][T10777] ? setup_bdev_super+0x4c1/0x5b0
[ 583.707432][T10777] get_tree_bdev_flags+0x431/0x4f0
[ 583.707449][T10777] ? __pfx_gfs2_fill_super+0x10/0x10
[ 583.707462][T10777] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 583.707475][T10777] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 583.707498][T10777] gfs2_get_tree+0x51/0x1e0
[ 583.707516][T10777] vfs_get_tree+0x92/0x2a0
[ 583.707533][T10777] do_new_mount+0x341/0xd30
[ 583.707564][T10777] ? apparmor_capable+0x126/0x170
[ 583.707583][T10777] ? __pfx_do_new_mount+0x10/0x10
[ 583.707601][T10777] ? ns_capable+0x89/0xe0
[ 583.707629][T10777] ? user_path_at+0xd4/0x160
[ 583.707645][T10777] __se_sys_mount+0x31d/0x420
[ 583.707670][T10777] ? __pfx___se_sys_mount+0x10/0x10
[ 583.707693][T10777] ? __x64_sys_mount+0x20/0xc0
[ 583.707709][T10777] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 583.707725][T10777] do_syscall_64+0x15f/0xf80
[ 583.707743][T10777] ? trace_irq_disable+0x3b/0x140
[ 583.707760][T10777] ? clear_bhb_loop+0x40/0x90
[ 583.707778][T10777] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 583.707792][T10777] RIP: 0033:0x7f5fdf629a9a
[ 583.707807][T10777] 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
[ 583.707819][T10777] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 583.707836][T10777] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 583.707854][T10777] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 583.707864][T10777] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 583.707873][T10777] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 583.707882][T10777] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 583.707906][T10777]
[ 583.707934][T10777] 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
[ 584.161014][T10792] loop4: detected capacity change from 0 to 32768
[ 584.194404][T10792] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 584.202538][T10792] CPU: 1 UID: 0 PID: 10792 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 584.202563][T10792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 584.202573][T10792] Call Trace:
[ 584.202580][T10792]
[ 584.202601][T10792] dump_stack_lvl+0xe8/0x150
[ 584.202631][T10792] sysfs_create_dir_ns+0x271/0x2a0
[ 584.202657][T10792] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 584.202681][T10792] ? do_raw_spin_unlock+0xf5/0x210
[ 584.202703][T10792] kobject_add_internal+0x62b/0xd00
[ 584.202733][T10792] kobject_init_and_add+0x12b/0x1a0
[ 584.202760][T10792] ? __pfx_kobject_init_and_add+0x10/0x10
[ 584.202783][T10792] ? __raw_spin_lock_init+0x45/0x100
[ 584.202802][T10792] ? __init_swait_queue_head+0xa9/0x150
[ 584.202823][T10792] gfs2_sys_fs_add+0x257/0x480
[ 584.202842][T10792] ? is_dynamic_key+0x1ac/0x1c0
[ 584.202865][T10792] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 584.202895][T10792] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 584.202926][T10792] gfs2_fill_super+0x13a7/0x21d0
[ 584.202956][T10792] ? __pfx_gfs2_fill_super+0x10/0x10
[ 584.202975][T10792] ? sb_set_blocksize+0x155/0x240
[ 584.202999][T10792] ? setup_bdev_super+0x4c1/0x5b0
[ 584.203018][T10792] get_tree_bdev_flags+0x431/0x4f0
[ 584.203035][T10792] ? __pfx_gfs2_fill_super+0x10/0x10
[ 584.203049][T10792] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 584.203063][T10792] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 584.203087][T10792] gfs2_get_tree+0x51/0x1e0
[ 584.203105][T10792] vfs_get_tree+0x92/0x2a0
[ 584.203121][T10792] do_new_mount+0x341/0xd30
[ 584.203140][T10792] ? apparmor_capable+0x126/0x170
[ 584.203159][T10792] ? __pfx_do_new_mount+0x10/0x10
[ 584.203177][T10792] ? ns_capable+0x89/0xe0
[ 584.203207][T10792] ? user_path_at+0xd4/0x160
[ 584.203234][T10792] __se_sys_mount+0x31d/0x420
[ 584.203259][T10792] ? __pfx___se_sys_mount+0x10/0x10
[ 584.203285][T10792] ? __x64_sys_mount+0x20/0xc0
[ 584.203304][T10792] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 584.203323][T10792] do_syscall_64+0x15f/0xf80
[ 584.203344][T10792] ? trace_irq_disable+0x3b/0x140
[ 584.203363][T10792] ? clear_bhb_loop+0x40/0x90
[ 584.203381][T10792] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 584.203397][T10792] RIP: 0033:0x7f5fdf629a9a
[ 584.203414][T10792] 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
[ 584.203428][T10792] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 584.203446][T10792] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 584.203458][T10792] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 584.203469][T10792] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 584.203480][T10792] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 584.203490][T10792] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 584.203518][T10792]
[ 584.204082][T10792] 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
[ 584.276967][T10777] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 584.282398][T10792] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 585.310412][T10803] loop2: detected capacity change from 0 to 32768
[ 585.360091][T10803] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 585.374922][T10794] loop1: detected capacity change from 0 to 32768
[ 585.382046][T10803] CPU: 1 UID: 0 PID: 10803 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 585.382069][T10803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 585.382079][T10803] Call Trace:
[ 585.382087][T10803]
[ 585.382094][T10803] dump_stack_lvl+0xe8/0x150
[ 585.382123][T10803] sysfs_create_dir_ns+0x271/0x2a0
[ 585.382158][T10803] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 585.382182][T10803] ? do_raw_spin_unlock+0xf5/0x210
[ 585.382206][T10803] kobject_add_internal+0x62b/0xd00
[ 585.382237][T10803] kobject_init_and_add+0x12b/0x1a0
[ 585.382263][T10803] ? __pfx_kobject_init_and_add+0x10/0x10
[ 585.382286][T10803] ? __raw_spin_lock_init+0x45/0x100
[ 585.382304][T10803] ? __init_swait_queue_head+0xa9/0x150
[ 585.382325][T10803] gfs2_sys_fs_add+0x257/0x480
[ 585.382346][T10803] ? is_dynamic_key+0x1ac/0x1c0
[ 585.382368][T10803] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 585.382395][T10803] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 585.382427][T10803] gfs2_fill_super+0x13a7/0x21d0
[ 585.382459][T10803] ? __pfx_gfs2_fill_super+0x10/0x10
[ 585.382480][T10803] ? sb_set_blocksize+0x155/0x240
[ 585.382505][T10803] ? setup_bdev_super+0x4c1/0x5b0
[ 585.382525][T10803] get_tree_bdev_flags+0x431/0x4f0
[ 585.382543][T10803] ? __pfx_gfs2_fill_super+0x10/0x10
[ 585.382558][T10803] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 585.382572][T10803] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 585.382598][T10803] gfs2_get_tree+0x51/0x1e0
[ 585.382616][T10803] vfs_get_tree+0x92/0x2a0
[ 585.382632][T10803] do_new_mount+0x341/0xd30
[ 585.382650][T10803] ? apparmor_capable+0x126/0x170
[ 585.382670][T10803] ? __pfx_do_new_mount+0x10/0x10
[ 585.382689][T10803] ? ns_capable+0x89/0xe0
[ 585.382719][T10803] ? user_path_at+0xd4/0x160
[ 585.382737][T10803] __se_sys_mount+0x31d/0x420
[ 585.382763][T10803] ? __pfx___se_sys_mount+0x10/0x10
[ 585.382786][T10803] ? __x64_sys_mount+0x20/0xc0
[ 585.382804][T10803] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.382821][T10803] do_syscall_64+0x15f/0xf80
[ 585.382840][T10803] ? trace_irq_disable+0x3b/0x140
[ 585.382862][T10803] ? clear_bhb_loop+0x40/0x90
[ 585.382879][T10803] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.382894][T10803] RIP: 0033:0x7f5fdf629a9a
[ 585.382909][T10803] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 585.382923][T10803] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 585.382940][T10803] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 585.382952][T10803] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 585.382962][T10803] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 585.382973][T10803] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 585.382983][T10803] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 585.383009][T10803]
[ 585.383046][T10803] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 585.536481][T10799] loop3: detected capacity change from 0 to 32768
[ 585.695039][T10803] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 585.707781][T10794] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 585.715431][T10794] CPU: 0 UID: 0 PID: 10794 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 585.715454][T10794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 585.715464][T10794] Call Trace:
[ 585.715472][T10794]
[ 585.715480][T10794] dump_stack_lvl+0xe8/0x150
[ 585.715508][T10794] sysfs_create_dir_ns+0x271/0x2a0
[ 585.715534][T10794] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 585.715558][T10794] ? do_raw_spin_unlock+0xf5/0x210
[ 585.715582][T10794] kobject_add_internal+0x62b/0xd00
[ 585.715614][T10794] kobject_init_and_add+0x12b/0x1a0
[ 585.715642][T10794] ? __pfx_kobject_init_and_add+0x10/0x10
[ 585.715666][T10794] ? __raw_spin_lock_init+0x45/0x100
[ 585.715686][T10794] ? __init_swait_queue_head+0xa9/0x150
[ 585.715708][T10794] gfs2_sys_fs_add+0x257/0x480
[ 585.715728][T10794] ? is_dynamic_key+0x1ac/0x1c0
[ 585.715750][T10794] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 585.715777][T10794] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 585.715807][T10794] gfs2_fill_super+0x13a7/0x21d0
[ 585.715838][T10794] ? __pfx_gfs2_fill_super+0x10/0x10
[ 585.715859][T10794] ? sb_set_blocksize+0x155/0x240
[ 585.715883][T10794] ? setup_bdev_super+0x4c1/0x5b0
[ 585.715920][T10794] get_tree_bdev_flags+0x431/0x4f0
[ 585.715938][T10794] ? __pfx_gfs2_fill_super+0x10/0x10
[ 585.715954][T10794] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 585.715970][T10794] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 585.715997][T10794] gfs2_get_tree+0x51/0x1e0
executing program
[ 585.716017][T10794] vfs_get_tree+0x92/0x2a0
[ 585.716036][T10794] do_new_mount+0x341/0xd30
[ 585.716056][T10794] ? apparmor_capable+0x126/0x170
[ 585.716077][T10794] ? __pfx_do_new_mount+0x10/0x10
[ 585.716098][T10794] ? ns_capable+0x89/0xe0
[ 585.716129][T10794] ? user_path_at+0xd4/0x160
[ 585.716147][T10794] __se_sys_mount+0x31d/0x420
[ 585.716173][T10794] ? __pfx___se_sys_mount+0x10/0x10
[ 585.716199][T10794] ? __x64_sys_mount+0x20/0xc0
[ 585.716218][T10794] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.716236][T10794] do_syscall_64+0x15f/0xf80
[ 585.716257][T10794] ? trace_irq_disable+0x3b/0x140
[ 585.716276][T10794] ? clear_bhb_loop+0x40/0x90
[ 585.716297][T10794] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.716312][T10794] RIP: 0033:0x7f5fdf629a9a
[ 585.716328][T10794] 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
[ 585.716342][T10794] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 585.716361][T10794] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 585.716373][T10794] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 585.716385][T10794] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 585.716395][T10794] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 585.716458][T10794] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 585.716484][T10794]
[ 585.716509][T10794] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 585.841765][T10799] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 585.843076][T10794] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 585.850403][T10799] CPU: 1 UID: 0 PID: 10799 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 585.850425][T10799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 585.850435][T10799] Call Trace:
[ 585.850442][T10799]
[ 585.850450][T10799] dump_stack_lvl+0xe8/0x150
[ 585.850478][T10799] sysfs_create_dir_ns+0x271/0x2a0
[ 585.850503][T10799] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 585.850526][T10799] ? do_raw_spin_unlock+0xf5/0x210
[ 585.850549][T10799] kobject_add_internal+0x62b/0xd00
[ 585.850579][T10799] kobject_init_and_add+0x12b/0x1a0
[ 585.850606][T10799] ? __pfx_kobject_init_and_add+0x10/0x10
[ 585.850632][T10799] ? __raw_spin_lock_init+0x45/0x100
[ 585.850651][T10799] ? __init_swait_queue_head+0xa9/0x150
[ 585.850672][T10799] gfs2_sys_fs_add+0x257/0x480
[ 585.850691][T10799] ? is_dynamic_key+0x1ac/0x1c0
[ 585.850713][T10799] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 585.850739][T10799] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 585.850769][T10799] gfs2_fill_super+0x13a7/0x21d0
[ 585.850800][T10799] ? __pfx_gfs2_fill_super+0x10/0x10
[ 585.850819][T10799] ? sb_set_blocksize+0x155/0x240
[ 585.850841][T10799] ? setup_bdev_super+0x4c1/0x5b0
[ 585.850861][T10799] get_tree_bdev_flags+0x431/0x4f0
[ 585.850879][T10799] ? __pfx_gfs2_fill_super+0x10/0x10
[ 585.850893][T10799] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 585.850909][T10799] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 585.850934][T10799] gfs2_get_tree+0x51/0x1e0
[ 585.850952][T10799] vfs_get_tree+0x92/0x2a0
[ 585.850971][T10799] do_new_mount+0x341/0xd30
[ 585.850990][T10799] ? apparmor_capable+0x126/0x170
[ 585.851011][T10799] ? __pfx_do_new_mount+0x10/0x10
[ 585.851030][T10799] ? ns_capable+0x89/0xe0
[ 585.851059][T10799] ? user_path_at+0xd4/0x160
[ 585.851075][T10799] __se_sys_mount+0x31d/0x420
[ 585.851101][T10799] ? __pfx___se_sys_mount+0x10/0x10
[ 585.851127][T10799] ? __x64_sys_mount+0x20/0xc0
[ 585.851152][T10799] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.851168][T10799] do_syscall_64+0x15f/0xf80
[ 585.851188][T10799] ? trace_irq_disable+0x3b/0x140
[ 585.851207][T10799] ? clear_bhb_loop+0x40/0x90
[ 585.851225][T10799] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.851241][T10799] RIP: 0033:0x7f5fdf629a9a
[ 585.851257][T10799] 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
[ 585.851270][T10799] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 585.851287][T10799] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 585.851298][T10799] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 585.851310][T10799] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 585.851320][T10799] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 585.851330][T10799] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 585.851356][T10799]
[ 585.851466][T10799] 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
[ 586.434413][T10807] loop4: detected capacity change from 0 to 32768
[ 586.557531][T10807] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 586.591466][T10799] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 586.601137][T10807] CPU: 1 UID: 0 PID: 10807 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 586.601160][T10807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 586.601170][T10807] Call Trace:
[ 586.601177][T10807]
[ 586.601184][T10807] dump_stack_lvl+0xe8/0x150
[ 586.601211][T10807] sysfs_create_dir_ns+0x271/0x2a0
[ 586.601237][T10807] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 586.601267][T10807] ? do_raw_spin_unlock+0xf5/0x210
[ 586.601290][T10807] kobject_add_internal+0x62b/0xd00
[ 586.601321][T10807] kobject_init_and_add+0x12b/0x1a0
[ 586.601348][T10807] ? __pfx_kobject_init_and_add+0x10/0x10
[ 586.601372][T10807] ? __raw_spin_lock_init+0x45/0x100
[ 586.601392][T10807] ? __init_swait_queue_head+0xa9/0x150
[ 586.601413][T10807] gfs2_sys_fs_add+0x257/0x480
[ 586.601432][T10807] ? is_dynamic_key+0x1ac/0x1c0
[ 586.601453][T10807] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 586.601479][T10807] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 586.601507][T10807] gfs2_fill_super+0x13a7/0x21d0
[ 586.601538][T10807] ? __pfx_gfs2_fill_super+0x10/0x10
[ 586.601559][T10807] ? sb_set_blocksize+0x155/0x240
[ 586.601585][T10807] ? setup_bdev_super+0x4c1/0x5b0
[ 586.601606][T10807] get_tree_bdev_flags+0x431/0x4f0
[ 586.601624][T10807] ? __pfx_gfs2_fill_super+0x10/0x10
[ 586.601640][T10807] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 586.601655][T10807] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 586.601682][T10807] gfs2_get_tree+0x51/0x1e0
[ 586.601701][T10807] vfs_get_tree+0x92/0x2a0
[ 586.601721][T10807] do_new_mount+0x341/0xd30
[ 586.601741][T10807] ? apparmor_capable+0x126/0x170
[ 586.601762][T10807] ? __pfx_do_new_mount+0x10/0x10
[ 586.601783][T10807] ? ns_capable+0x89/0xe0
[ 586.601814][T10807] ? user_path_at+0xd4/0x160
[ 586.601832][T10807] __se_sys_mount+0x31d/0x420
[ 586.601858][T10807] ? __pfx___se_sys_mount+0x10/0x10
[ 586.601883][T10807] ? __x64_sys_mount+0x20/0xc0
[ 586.601903][T10807] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.601920][T10807] do_syscall_64+0x15f/0xf80
[ 586.601940][T10807] ? trace_irq_disable+0x3b/0x140
[ 586.601959][T10807] ? clear_bhb_loop+0x40/0x90
[ 586.601980][T10807] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.601996][T10807] RIP: 0033:0x7f5fdf629a9a
[ 586.602012][T10807] 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
[ 586.602026][T10807] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 586.602044][T10807] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 586.602056][T10807] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 586.602068][T10807] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 586.602079][T10807] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 586.602090][T10807] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 586.602117][T10807]
[ 586.602142][T10807] 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
[ 586.905552][T10807] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 587.570938][T10822] loop1: detected capacity change from 0 to 32768
[ 587.610575][T10822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 587.628705][T10822] CPU: 1 UID: 0 PID: 10822 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 587.628731][T10822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 587.628742][T10822] Call Trace:
[ 587.628751][T10822]
[ 587.628758][T10822] dump_stack_lvl+0xe8/0x150
[ 587.628788][T10822] sysfs_create_dir_ns+0x271/0x2a0
[ 587.628813][T10822] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 587.628837][T10822] ? do_raw_spin_unlock+0xf5/0x210
[ 587.628860][T10822] kobject_add_internal+0x62b/0xd00
[ 587.628892][T10822] kobject_init_and_add+0x12b/0x1a0
[ 587.628919][T10822] ? __pfx_kobject_init_and_add+0x10/0x10
[ 587.628951][T10822] ? __raw_spin_lock_init+0x45/0x100
[ 587.628971][T10822] ? __init_swait_queue_head+0xa9/0x150
[ 587.628993][T10822] gfs2_sys_fs_add+0x257/0x480
[ 587.629013][T10822] ? is_dynamic_key+0x1ac/0x1c0
[ 587.629034][T10822] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 587.629061][T10822] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 587.629092][T10822] gfs2_fill_super+0x13a7/0x21d0
[ 587.629123][T10822] ? __pfx_gfs2_fill_super+0x10/0x10
[ 587.629143][T10822] ? sb_set_blocksize+0x155/0x240
[ 587.629167][T10822] ? setup_bdev_super+0x4c1/0x5b0
[ 587.629186][T10822] get_tree_bdev_flags+0x431/0x4f0
[ 587.629203][T10822] ? __pfx_gfs2_fill_super+0x10/0x10
[ 587.629217][T10822] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 587.629231][T10822] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 587.629257][T10822] gfs2_get_tree+0x51/0x1e0
[ 587.629276][T10822] vfs_get_tree+0x92/0x2a0
[ 587.629293][T10822] do_new_mount+0x341/0xd30
[ 587.629311][T10822] ? apparmor_capable+0x126/0x170
[ 587.629333][T10822] ? __pfx_do_new_mount+0x10/0x10
[ 587.629353][T10822] ? ns_capable+0x89/0xe0
[ 587.629382][T10822] ? user_path_at+0xd4/0x160
[ 587.629399][T10822] __se_sys_mount+0x31d/0x420
[ 587.629425][T10822] ? __pfx___se_sys_mount+0x10/0x10
[ 587.629450][T10822] ? __x64_sys_mount+0x20/0xc0
[ 587.629469][T10822] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.629485][T10822] do_syscall_64+0x15f/0xf80
[ 587.629503][T10822] ? trace_irq_disable+0x3b/0x140
[ 587.629533][T10822] ? clear_bhb_loop+0x40/0x90
[ 587.629551][T10822] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.629567][T10822] RIP: 0033:0x7f5fdf629a9a
[ 587.629582][T10822] 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
[ 587.629596][T10822] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 587.629614][T10822] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 587.629625][T10822] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 587.629636][T10822] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 587.629647][T10822] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 587.629657][T10822] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 587.629680][T10822]
[ 587.629705][T10822] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 587.994018][T10822] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 588.021569][T10830] loop4: detected capacity change from 0 to 32768
[ 588.056596][T10830] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 588.105506][T10830] CPU: 0 UID: 0 PID: 10830 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 588.105532][T10830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 588.105543][T10830] Call Trace:
[ 588.105551][T10830]
[ 588.105559][T10830] dump_stack_lvl+0xe8/0x150
[ 588.105588][T10830] sysfs_create_dir_ns+0x271/0x2a0
[ 588.105614][T10830] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 588.105637][T10830] ? do_raw_spin_unlock+0xf5/0x210
[ 588.105661][T10830] kobject_add_internal+0x62b/0xd00
[ 588.105693][T10830] kobject_init_and_add+0x12b/0x1a0
[ 588.105721][T10830] ? __pfx_kobject_init_and_add+0x10/0x10
[ 588.105744][T10830] ? __raw_spin_lock_init+0x45/0x100
[ 588.105764][T10830] ? __init_swait_queue_head+0xa9/0x150
[ 588.105786][T10830] gfs2_sys_fs_add+0x257/0x480
[ 588.105806][T10830] ? is_dynamic_key+0x1ac/0x1c0
[ 588.105828][T10830] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 588.105856][T10830] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 588.105887][T10830] gfs2_fill_super+0x13a7/0x21d0
[ 588.105918][T10830] ? __pfx_gfs2_fill_super+0x10/0x10
[ 588.105937][T10830] ? sb_set_blocksize+0x155/0x240
[ 588.105962][T10830] ? setup_bdev_super+0x4c1/0x5b0
[ 588.105983][T10830] get_tree_bdev_flags+0x431/0x4f0
[ 588.106002][T10830] ? __pfx_gfs2_fill_super+0x10/0x10
[ 588.106018][T10830] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 588.106033][T10830] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 588.106060][T10830] gfs2_get_tree+0x51/0x1e0
[ 588.106079][T10830] vfs_get_tree+0x92/0x2a0
[ 588.106100][T10830] do_new_mount+0x341/0xd30
[ 588.106119][T10830] ? apparmor_capable+0x126/0x170
[ 588.106141][T10830] ? __pfx_do_new_mount+0x10/0x10
[ 588.106161][T10830] ? ns_capable+0x89/0xe0
[ 588.106199][T10830] ? user_path_at+0xd4/0x160
[ 588.106218][T10830] __se_sys_mount+0x31d/0x420
[ 588.106245][T10830] ? __pfx___se_sys_mount+0x10/0x10
[ 588.106271][T10830] ? __x64_sys_mount+0x20/0xc0
[ 588.106290][T10830] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.106308][T10830] do_syscall_64+0x15f/0xf80
[ 588.106328][T10830] ? trace_irq_disable+0x3b/0x140
[ 588.106347][T10830] ? clear_bhb_loop+0x40/0x90
[ 588.106368][T10830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.106391][T10830] RIP: 0033:0x7f5fdf629a9a
[ 588.106407][T10830] 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
[ 588.106421][T10830] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 588.106440][T10830] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 588.106452][T10830] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 588.106463][T10830] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 588.106475][T10830] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 588.106485][T10830] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 588.106512][T10830]
executing program
[ 588.106537][T10830] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 588.258317][T10824] loop2: detected capacity change from 0 to 32768
[ 588.291686][T10830] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 588.455059][T10824] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 588.467026][T10824] CPU: 1 UID: 0 PID: 10824 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 588.467052][T10824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 588.467062][T10824] Call Trace:
[ 588.467069][T10824]
[ 588.467076][T10824] dump_stack_lvl+0xe8/0x150
[ 588.467105][T10824] sysfs_create_dir_ns+0x271/0x2a0
[ 588.467131][T10824] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 588.467153][T10824] ? do_raw_spin_unlock+0xf5/0x210
[ 588.467176][T10824] kobject_add_internal+0x62b/0xd00
[ 588.467207][T10824] kobject_init_and_add+0x12b/0x1a0
[ 588.467236][T10824] ? __pfx_kobject_init_and_add+0x10/0x10
[ 588.467260][T10824] ? __raw_spin_lock_init+0x45/0x100
[ 588.467280][T10824] ? __init_swait_queue_head+0xa9/0x150
[ 588.467303][T10824] gfs2_sys_fs_add+0x257/0x480
[ 588.467322][T10824] ? is_dynamic_key+0x1ac/0x1c0
[ 588.467343][T10824] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 588.467370][T10824] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 588.467400][T10824] gfs2_fill_super+0x13a7/0x21d0
[ 588.467430][T10824] ? __pfx_gfs2_fill_super+0x10/0x10
[ 588.467449][T10824] ? sb_set_blocksize+0x155/0x240
[ 588.467472][T10824] ? setup_bdev_super+0x4c1/0x5b0
[ 588.467493][T10824] get_tree_bdev_flags+0x431/0x4f0
[ 588.467510][T10824] ? __pfx_gfs2_fill_super+0x10/0x10
[ 588.467526][T10824] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 588.467540][T10824] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 588.467565][T10824] gfs2_get_tree+0x51/0x1e0
[ 588.467584][T10824] vfs_get_tree+0x92/0x2a0
[ 588.467604][T10824] do_new_mount+0x341/0xd30
[ 588.467632][T10824] ? apparmor_capable+0x126/0x170
[ 588.467660][T10824] ? __pfx_do_new_mount+0x10/0x10
[ 588.467679][T10824] ? ns_capable+0x89/0xe0
[ 588.467710][T10824] ? user_path_at+0xd4/0x160
[ 588.467727][T10824] __se_sys_mount+0x31d/0x420
[ 588.467753][T10824] ? __pfx___se_sys_mount+0x10/0x10
[ 588.467776][T10824] ? __x64_sys_mount+0x20/0xc0
[ 588.467795][T10824] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.467813][T10824] do_syscall_64+0x15f/0xf80
[ 588.467833][T10824] ? trace_irq_disable+0x3b/0x140
[ 588.467857][T10824] ? clear_bhb_loop+0x40/0x90
[ 588.467885][T10824] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.467908][T10824] RIP: 0033:0x7f5fdf629a9a
[ 588.467925][T10824] 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
[ 588.467939][T10824] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 588.467956][T10824] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 588.467968][T10824] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 588.467979][T10824] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
executing program
[ 588.467990][T10824] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 588.467999][T10824] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 588.468025][T10824]
[ 588.475953][T10824] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 588.943249][T10836] loop3: detected capacity change from 0 to 32768
[ 589.040976][T10836] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 589.058523][T10836] CPU: 1 UID: 0 PID: 10836 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 589.058547][T10836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 589.058557][T10836] Call Trace:
[ 589.058565][T10836]
[ 589.058572][T10836] dump_stack_lvl+0xe8/0x150
[ 589.058601][T10836] sysfs_create_dir_ns+0x271/0x2a0
[ 589.058627][T10836] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 589.058650][T10836] ? do_raw_spin_unlock+0xf5/0x210
[ 589.058673][T10836] kobject_add_internal+0x62b/0xd00
[ 589.058705][T10836] kobject_init_and_add+0x12b/0x1a0
[ 589.058732][T10836] ? __pfx_kobject_init_and_add+0x10/0x10
[ 589.058755][T10836] ? __raw_spin_lock_init+0x45/0x100
[ 589.058774][T10836] ? __init_swait_queue_head+0xa9/0x150
[ 589.058797][T10836] gfs2_sys_fs_add+0x257/0x480
[ 589.058817][T10836] ? is_dynamic_key+0x1ac/0x1c0
[ 589.058840][T10836] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 589.058875][T10836] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 589.058907][T10836] gfs2_fill_super+0x13a7/0x21d0
[ 589.058939][T10836] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.058960][T10836] ? sb_set_blocksize+0x155/0x240
[ 589.058986][T10836] ? setup_bdev_super+0x4c1/0x5b0
[ 589.059007][T10836] get_tree_bdev_flags+0x431/0x4f0
[ 589.059025][T10836] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.059041][T10836] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 589.059055][T10836] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 589.059081][T10836] gfs2_get_tree+0x51/0x1e0
[ 589.059096][T10836] vfs_get_tree+0x92/0x2a0
[ 589.059114][T10836] do_new_mount+0x341/0xd30
[ 589.059132][T10836] ? apparmor_capable+0x126/0x170
[ 589.059153][T10836] ? __pfx_do_new_mount+0x10/0x10
[ 589.059171][T10836] ? ns_capable+0x89/0xe0
[ 589.059200][T10836] ? user_path_at+0xd4/0x160
[ 589.059217][T10836] __se_sys_mount+0x31d/0x420
[ 589.059243][T10836] ? __pfx___se_sys_mount+0x10/0x10
[ 589.059269][T10836] ? __x64_sys_mount+0x20/0xc0
[ 589.059288][T10836] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.059305][T10836] do_syscall_64+0x15f/0xf80
[ 589.059325][T10836] ? trace_irq_disable+0x3b/0x140
[ 589.059342][T10836] ? clear_bhb_loop+0x40/0x90
[ 589.059362][T10836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.059377][T10836] RIP: 0033:0x7f5fdf629a9a
[ 589.059393][T10836] 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
[ 589.059405][T10836] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 589.059422][T10836] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 589.059432][T10836] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 589.059443][T10836] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 589.059454][T10836] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 589.059464][T10836] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 589.059491][T10836]
[ 589.059515][T10836] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 589.361151][T10824] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 589.625702][T10836] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 590.052187][T10849] loop4: detected capacity change from 0 to 32768
[ 590.085688][T10849] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 590.118041][T10849] CPU: 0 UID: 0 PID: 10849 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 590.118066][T10849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 590.118077][T10849] Call Trace:
[ 590.118085][T10849]
[ 590.118092][T10849] dump_stack_lvl+0xe8/0x150
[ 590.118121][T10849] sysfs_create_dir_ns+0x271/0x2a0
[ 590.118147][T10849] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 590.118171][T10849] ? do_raw_spin_unlock+0xf5/0x210
[ 590.118192][T10849] kobject_add_internal+0x62b/0xd00
[ 590.118222][T10849] kobject_init_and_add+0x12b/0x1a0
[ 590.118248][T10849] ? __pfx_kobject_init_and_add+0x10/0x10
[ 590.118272][T10849] ? __raw_spin_lock_init+0x45/0x100
[ 590.118292][T10849] ? __init_swait_queue_head+0xa9/0x150
[ 590.118313][T10849] gfs2_sys_fs_add+0x257/0x480
[ 590.118333][T10849] ? is_dynamic_key+0x1ac/0x1c0
[ 590.118356][T10849] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 590.118384][T10849] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 590.118414][T10849] gfs2_fill_super+0x13a7/0x21d0
[ 590.118446][T10849] ? __pfx_gfs2_fill_super+0x10/0x10
[ 590.118467][T10849] ? sb_set_blocksize+0x155/0x240
[ 590.118492][T10849] ? setup_bdev_super+0x4c1/0x5b0
[ 590.118513][T10849] get_tree_bdev_flags+0x431/0x4f0
[ 590.118531][T10849] ? __pfx_gfs2_fill_super+0x10/0x10
[ 590.118546][T10849] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 590.118561][T10849] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 590.118589][T10849] gfs2_get_tree+0x51/0x1e0
[ 590.118607][T10849] vfs_get_tree+0x92/0x2a0
[ 590.118627][T10849] do_new_mount+0x341/0xd30
[ 590.118647][T10849] ? apparmor_capable+0x126/0x170
[ 590.118668][T10849] ? __pfx_do_new_mount+0x10/0x10
[ 590.118688][T10849] ? ns_capable+0x89/0xe0
[ 590.118719][T10849] ? user_path_at+0xd4/0x160
[ 590.118737][T10849] __se_sys_mount+0x31d/0x420
[ 590.118762][T10849] ? __pfx___se_sys_mount+0x10/0x10
[ 590.118788][T10849] ? __x64_sys_mount+0x20/0xc0
[ 590.118808][T10849] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.118826][T10849] do_syscall_64+0x15f/0xf80
[ 590.118846][T10849] ? trace_irq_disable+0x3b/0x140
[ 590.118865][T10849] ? clear_bhb_loop+0x40/0x90
[ 590.118884][T10849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.118900][T10849] RIP: 0033:0x7f5fdf629a9a
[ 590.118916][T10849] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 590.118930][T10849] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 590.118948][T10849] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 590.118960][T10849] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 590.118971][T10849] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 590.118983][T10849] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 590.118994][T10849] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 590.119028][T10849]
[ 590.119052][T10849] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 590.241706][T10852] loop1: detected capacity change from 0 to 32768
[ 590.426074][T10849] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 590.569035][T10852] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 590.636028][T10852] CPU: 0 UID: 0 PID: 10852 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 590.636054][T10852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 590.636066][T10852] Call Trace:
[ 590.636073][T10852]
[ 590.636081][T10852] dump_stack_lvl+0xe8/0x150
[ 590.636110][T10852] sysfs_create_dir_ns+0x271/0x2a0
[ 590.636136][T10852] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 590.636159][T10852] ? do_raw_spin_unlock+0xf5/0x210
[ 590.636182][T10852] kobject_add_internal+0x62b/0xd00
[ 590.636213][T10852] kobject_init_and_add+0x12b/0x1a0
[ 590.636241][T10852] ? __pfx_kobject_init_and_add+0x10/0x10
[ 590.636264][T10852] ? __raw_spin_lock_init+0x45/0x100
[ 590.636285][T10852] ? __init_swait_queue_head+0xa9/0x150
[ 590.636307][T10852] gfs2_sys_fs_add+0x257/0x480
[ 590.636327][T10852] ? is_dynamic_key+0x1ac/0x1c0
[ 590.636349][T10852] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 590.636377][T10852] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 590.636409][T10852] gfs2_fill_super+0x13a7/0x21d0
[ 590.636440][T10852] ? __pfx_gfs2_fill_super+0x10/0x10
[ 590.636460][T10852] ? sb_set_blocksize+0x155/0x240
[ 590.636485][T10852] ? setup_bdev_super+0x4c1/0x5b0
[ 590.636505][T10852] get_tree_bdev_flags+0x431/0x4f0
[ 590.636523][T10852] ? __pfx_gfs2_fill_super+0x10/0x10
[ 590.636539][T10852] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 590.636554][T10852] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 590.636581][T10852] gfs2_get_tree+0x51/0x1e0
[ 590.636600][T10852] vfs_get_tree+0x92/0x2a0
[ 590.636620][T10852] do_new_mount+0x341/0xd30
[ 590.636639][T10852] ? apparmor_capable+0x126/0x170
[ 590.636661][T10852] ? __pfx_do_new_mount+0x10/0x10
[ 590.636681][T10852] ? ns_capable+0x89/0xe0
[ 590.636711][T10852] ? user_path_at+0xd4/0x160
[ 590.636730][T10852] __se_sys_mount+0x31d/0x420
[ 590.636762][T10852] ? __pfx___se_sys_mount+0x10/0x10
[ 590.636788][T10852] ? __x64_sys_mount+0x20/0xc0
[ 590.636808][T10852] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.636826][T10852] do_syscall_64+0x15f/0xf80
[ 590.636845][T10852] ? trace_irq_disable+0x3b/0x140
[ 590.636867][T10852] ? clear_bhb_loop+0x40/0x90
[ 590.636883][T10852] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.636898][T10852] RIP: 0033:0x7f5fdf629a9a
[ 590.636913][T10852] 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
[ 590.636924][T10852] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 590.636942][T10852] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 590.636953][T10852] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 590.636962][T10852] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 590.636972][T10852] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 590.636983][T10852] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 590.637009][T10852]
[ 591.219930][T10874] loop4: detected capacity change from 0 to 32768
[ 591.249434][T10852] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 591.265721][T10874] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 591.277140][T10852] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 591.293917][T10874] CPU: 1 UID: 0 PID: 10874 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 591.293943][T10874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 591.293953][T10874] Call Trace:
[ 591.293961][T10874]
[ 591.293969][T10874] dump_stack_lvl+0xe8/0x150
[ 591.293997][T10874] sysfs_create_dir_ns+0x271/0x2a0
[ 591.294022][T10874] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 591.294046][T10874] ? do_raw_spin_unlock+0xf5/0x210
[ 591.294068][T10874] kobject_add_internal+0x62b/0xd00
[ 591.294100][T10874] kobject_init_and_add+0x12b/0x1a0
[ 591.294126][T10874] ? __pfx_kobject_init_and_add+0x10/0x10
[ 591.294150][T10874] ? __raw_spin_lock_init+0x45/0x100
[ 591.294170][T10874] ? __init_swait_queue_head+0xa9/0x150
[ 591.294192][T10874] gfs2_sys_fs_add+0x257/0x480
[ 591.294212][T10874] ? is_dynamic_key+0x1ac/0x1c0
[ 591.294241][T10874] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 591.294267][T10874] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 591.294295][T10874] gfs2_fill_super+0x13a7/0x21d0
[ 591.294327][T10874] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.294348][T10874] ? sb_set_blocksize+0x155/0x240
[ 591.294373][T10874] ? setup_bdev_super+0x4c1/0x5b0
[ 591.294394][T10874] get_tree_bdev_flags+0x431/0x4f0
[ 591.294412][T10874] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.294427][T10874] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 591.294443][T10874] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 591.294470][T10874] gfs2_get_tree+0x51/0x1e0
[ 591.294489][T10874] vfs_get_tree+0x92/0x2a0
[ 591.294509][T10874] do_new_mount+0x341/0xd30
[ 591.294529][T10874] ? apparmor_capable+0x126/0x170
[ 591.294550][T10874] ? __pfx_do_new_mount+0x10/0x10
[ 591.294570][T10874] ? ns_capable+0x89/0xe0
[ 591.294600][T10874] ? user_path_at+0xd4/0x160
[ 591.294619][T10874] __se_sys_mount+0x31d/0x420
[ 591.294645][T10874] ? __pfx___se_sys_mount+0x10/0x10
[ 591.294671][T10874] ? __x64_sys_mount+0x20/0xc0
[ 591.294690][T10874] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.294708][T10874] do_syscall_64+0x15f/0xf80
[ 591.294728][T10874] ? trace_irq_disable+0x3b/0x140
[ 591.294748][T10874] ? clear_bhb_loop+0x40/0x90
[ 591.294778][T10874] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.294794][T10874] RIP: 0033:0x7f5fdf629a9a
[ 591.294810][T10874] 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
[ 591.294823][T10874] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 591.294842][T10874] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 591.294854][T10874] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 591.294866][T10874] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 591.294876][T10874] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
executing program
[ 591.294887][T10874] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 591.294912][T10874]
[ 591.582243][T10874] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 591.596193][T10874] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 591.714714][T10869] loop3: detected capacity change from 0 to 32768
executing program
[ 591.769805][T10869] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 591.833024][T10869] CPU: 0 UID: 0 PID: 10869 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 591.833049][T10869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 591.833059][T10869] Call Trace:
[ 591.833067][T10869]
[ 591.833074][T10869] dump_stack_lvl+0xe8/0x150
[ 591.833104][T10869] sysfs_create_dir_ns+0x271/0x2a0
[ 591.833129][T10869] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 591.833152][T10869] ? do_raw_spin_unlock+0xf5/0x210
[ 591.833175][T10869] kobject_add_internal+0x62b/0xd00
[ 591.833207][T10869] kobject_init_and_add+0x12b/0x1a0
[ 591.833234][T10869] ? __pfx_kobject_init_and_add+0x10/0x10
[ 591.833257][T10869] ? __raw_spin_lock_init+0x45/0x100
[ 591.833277][T10869] ? __init_swait_queue_head+0xa9/0x150
[ 591.833300][T10869] gfs2_sys_fs_add+0x257/0x480
[ 591.833319][T10869] ? is_dynamic_key+0x1ac/0x1c0
[ 591.833342][T10869] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 591.833370][T10869] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 591.833402][T10869] gfs2_fill_super+0x13a7/0x21d0
[ 591.833434][T10869] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.833454][T10869] ? sb_set_blocksize+0x155/0x240
[ 591.833479][T10869] ? setup_bdev_super+0x4c1/0x5b0
[ 591.833500][T10869] get_tree_bdev_flags+0x431/0x4f0
[ 591.833518][T10869] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.833534][T10869] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 591.833549][T10869] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 591.833577][T10869] gfs2_get_tree+0x51/0x1e0
[ 591.833597][T10869] vfs_get_tree+0x92/0x2a0
[ 591.833617][T10869] do_new_mount+0x341/0xd30
[ 591.833636][T10869] ? apparmor_capable+0x126/0x170
[ 591.833658][T10869] ? __pfx_do_new_mount+0x10/0x10
[ 591.833685][T10869] ? ns_capable+0x89/0xe0
[ 591.833716][T10869] ? user_path_at+0xd4/0x160
[ 591.833734][T10869] __se_sys_mount+0x31d/0x420
[ 591.833761][T10869] ? __pfx___se_sys_mount+0x10/0x10
[ 591.833788][T10869] ? __x64_sys_mount+0x20/0xc0
[ 591.833807][T10869] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.833824][T10869] do_syscall_64+0x15f/0xf80
[ 591.833844][T10869] ? trace_irq_disable+0x3b/0x140
[ 591.833863][T10869] ? clear_bhb_loop+0x40/0x90
[ 591.833883][T10869] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.833900][T10869] RIP: 0033:0x7f5fdf629a9a
[ 591.833915][T10869] 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
[ 591.833928][T10869] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 591.833947][T10869] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 591.833962][T10869] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 591.833974][T10869] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 591.833985][T10869] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 591.833996][T10869] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 591.834023][T10869]
[ 591.941130][T10869] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 592.143264][T10863] loop2: detected capacity change from 0 to 32768
[ 592.226952][T10863] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 592.314347][T10869] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 592.333421][T10863] CPU: 1 UID: 0 PID: 10863 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 592.333446][T10863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 592.333457][T10863] Call Trace:
[ 592.333464][T10863]
[ 592.333473][T10863] dump_stack_lvl+0xe8/0x150
[ 592.333502][T10863] sysfs_create_dir_ns+0x271/0x2a0
[ 592.333526][T10863] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 592.333549][T10863] ? do_raw_spin_unlock+0xf5/0x210
[ 592.333570][T10863] kobject_add_internal+0x62b/0xd00
[ 592.333600][T10863] kobject_init_and_add+0x12b/0x1a0
[ 592.333625][T10863] ? __pfx_kobject_init_and_add+0x10/0x10
[ 592.333652][T10863] ? __raw_spin_lock_init+0x45/0x100
[ 592.333672][T10863] ? __init_swait_queue_head+0xa9/0x150
[ 592.333694][T10863] gfs2_sys_fs_add+0x257/0x480
[ 592.333713][T10863] ? is_dynamic_key+0x1ac/0x1c0
[ 592.333735][T10863] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 592.333761][T10863] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 592.333790][T10863] gfs2_fill_super+0x13a7/0x21d0
[ 592.333820][T10863] ? __pfx_gfs2_fill_super+0x10/0x10
[ 592.333848][T10863] ? sb_set_blocksize+0x155/0x240
[ 592.333871][T10863] ? setup_bdev_super+0x4c1/0x5b0
[ 592.333890][T10863] get_tree_bdev_flags+0x431/0x4f0
[ 592.333908][T10863] ? __pfx_gfs2_fill_super+0x10/0x10
[ 592.333923][T10863] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 592.333937][T10863] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 592.333961][T10863] gfs2_get_tree+0x51/0x1e0
[ 592.333980][T10863] vfs_get_tree+0x92/0x2a0
[ 592.334000][T10863] do_new_mount+0x341/0xd30
[ 592.334020][T10863] ? apparmor_capable+0x126/0x170
[ 592.334041][T10863] ? __pfx_do_new_mount+0x10/0x10
[ 592.334061][T10863] ? ns_capable+0x89/0xe0
[ 592.334092][T10863] ? user_path_at+0xd4/0x160
[ 592.334110][T10863] __se_sys_mount+0x31d/0x420
[ 592.334136][T10863] ? __pfx___se_sys_mount+0x10/0x10
[ 592.334162][T10863] ? __x64_sys_mount+0x20/0xc0
[ 592.334181][T10863] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.334200][T10863] do_syscall_64+0x15f/0xf80
[ 592.334219][T10863] ? trace_irq_disable+0x3b/0x140
[ 592.334238][T10863] ? clear_bhb_loop+0x40/0x90
[ 592.334258][T10863] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.334274][T10863] RIP: 0033:0x7f5fdf629a9a
[ 592.334289][T10863] 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
[ 592.334301][T10863] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 592.334317][T10863] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 592.334328][T10863] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 592.334338][T10863] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 592.334348][T10863] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 592.334358][T10863] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 592.334383][T10863]
[ 592.622223][T10863] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 592.636215][T10863] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 592.970180][T10886] loop4: detected capacity change from 0 to 32768
[ 593.011559][T10886] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 593.042113][T10886] CPU: 0 UID: 0 PID: 10886 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 593.042138][T10886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 593.042149][T10886] Call Trace:
[ 593.042157][T10886]
[ 593.042165][T10886] dump_stack_lvl+0xe8/0x150
[ 593.042194][T10886] sysfs_create_dir_ns+0x271/0x2a0
[ 593.042221][T10886] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 593.042246][T10886] ? do_raw_spin_unlock+0xf5/0x210
[ 593.042269][T10886] kobject_add_internal+0x62b/0xd00
[ 593.042301][T10886] kobject_init_and_add+0x12b/0x1a0
[ 593.042329][T10886] ? __pfx_kobject_init_and_add+0x10/0x10
[ 593.042353][T10886] ? __raw_spin_lock_init+0x45/0x100
[ 593.042373][T10886] ? __init_swait_queue_head+0xa9/0x150
[ 593.042395][T10886] gfs2_sys_fs_add+0x257/0x480
[ 593.042414][T10886] ? is_dynamic_key+0x1ac/0x1c0
[ 593.042436][T10886] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 593.042465][T10886] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 593.042497][T10886] gfs2_fill_super+0x13a7/0x21d0
[ 593.042526][T10886] ? __pfx_gfs2_fill_super+0x10/0x10
[ 593.042547][T10886] ? sb_set_blocksize+0x155/0x240
executing program
[ 593.042572][T10886] ? setup_bdev_super+0x4c1/0x5b0
[ 593.042593][T10886] get_tree_bdev_flags+0x431/0x4f0
[ 593.042611][T10886] ? __pfx_gfs2_fill_super+0x10/0x10
[ 593.042626][T10886] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 593.042641][T10886] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 593.042668][T10886] gfs2_get_tree+0x51/0x1e0
[ 593.042688][T10886] vfs_get_tree+0x92/0x2a0
[ 593.042708][T10886] do_new_mount+0x341/0xd30
[ 593.042729][T10886] ? apparmor_capable+0x126/0x170
[ 593.042750][T10886] ? __pfx_do_new_mount+0x10/0x10
[ 593.042769][T10886] ? ns_capable+0x89/0xe0
[ 593.042800][T10886] ? user_path_at+0xd4/0x160
[ 593.042816][T10886] __se_sys_mount+0x31d/0x420
[ 593.042841][T10886] ? __pfx___se_sys_mount+0x10/0x10
[ 593.042866][T10886] ? __x64_sys_mount+0x20/0xc0
[ 593.042893][T10886] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.042911][T10886] do_syscall_64+0x15f/0xf80
[ 593.042929][T10886] ? trace_irq_disable+0x3b/0x140
[ 593.042946][T10886] ? clear_bhb_loop+0x40/0x90
[ 593.042966][T10886] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.042979][T10886] RIP: 0033:0x7f5fdf629a9a
[ 593.042994][T10886] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 593.043006][T10886] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 593.043025][T10886] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 593.043036][T10886] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
executing program
[ 593.043047][T10886] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 593.043057][T10886] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 593.043066][T10886] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 593.043090][T10886]
[ 593.043114][T10886] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 593.327450][T10882] loop1: detected capacity change from 0 to 32768
[ 593.600270][T10882] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 593.612711][T10886] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 593.630759][T10882] CPU: 1 UID: 0 PID: 10882 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 593.630786][T10882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 593.630797][T10882] Call Trace:
[ 593.630811][T10882]
[ 593.630819][T10882] dump_stack_lvl+0xe8/0x150
[ 593.630848][T10882] sysfs_create_dir_ns+0x271/0x2a0
[ 593.630874][T10882] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 593.630898][T10882] ? do_raw_spin_unlock+0xf5/0x210
[ 593.630921][T10882] kobject_add_internal+0x62b/0xd00
[ 593.630953][T10882] kobject_init_and_add+0x12b/0x1a0
[ 593.630980][T10882] ? __pfx_kobject_init_and_add+0x10/0x10
[ 593.631004][T10882] ? __raw_spin_lock_init+0x45/0x100
[ 593.631024][T10882] ? __init_swait_queue_head+0xa9/0x150
[ 593.631046][T10882] gfs2_sys_fs_add+0x257/0x480
[ 593.631066][T10882] ? is_dynamic_key+0x1ac/0x1c0
[ 593.631088][T10882] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 593.631117][T10882] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 593.631148][T10882] gfs2_fill_super+0x13a7/0x21d0
[ 593.631179][T10882] ? __pfx_gfs2_fill_super+0x10/0x10
[ 593.631199][T10882] ? sb_set_blocksize+0x155/0x240
[ 593.631224][T10882] ? setup_bdev_super+0x4c1/0x5b0
[ 593.631248][T10882] get_tree_bdev_flags+0x431/0x4f0
[ 593.631266][T10882] ? __pfx_gfs2_fill_super+0x10/0x10
[ 593.631282][T10882] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 593.631297][T10882] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 593.631325][T10882] gfs2_get_tree+0x51/0x1e0
[ 593.631345][T10882] vfs_get_tree+0x92/0x2a0
[ 593.631364][T10882] do_new_mount+0x341/0xd30
[ 593.631384][T10882] ? apparmor_capable+0x126/0x170
[ 593.631406][T10882] ? __pfx_do_new_mount+0x10/0x10
[ 593.631426][T10882] ? ns_capable+0x89/0xe0
[ 593.631457][T10882] ? user_path_at+0xd4/0x160
[ 593.631476][T10882] __se_sys_mount+0x31d/0x420
[ 593.631501][T10882] ? __pfx___se_sys_mount+0x10/0x10
[ 593.631528][T10882] ? __x64_sys_mount+0x20/0xc0
[ 593.631548][T10882] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.631565][T10882] do_syscall_64+0x15f/0xf80
[ 593.631584][T10882] ? trace_irq_disable+0x3b/0x140
[ 593.631603][T10882] ? clear_bhb_loop+0x40/0x90
[ 593.631623][T10882] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.631639][T10882] RIP: 0033:0x7f5fdf629a9a
[ 593.631656][T10882] 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
[ 593.631669][T10882] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 593.631687][T10882] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 593.631699][T10882] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 593.631710][T10882] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 593.631721][T10882] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 593.631732][T10882] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 593.631759][T10882]
[ 593.636324][T10882] 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
[ 594.181352][T10882] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 594.224485][T10897] loop3: detected capacity change from 0 to 32768
[ 594.274489][T10897] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 594.307639][T10897] CPU: 0 UID: 0 PID: 10897 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 594.307664][T10897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 594.307675][T10897] Call Trace:
[ 594.307682][T10897]
[ 594.307689][T10897] dump_stack_lvl+0xe8/0x150
[ 594.307724][T10897] sysfs_create_dir_ns+0x271/0x2a0
[ 594.307751][T10897] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 594.307774][T10897] ? do_raw_spin_unlock+0xf5/0x210
[ 594.307794][T10897] kobject_add_internal+0x62b/0xd00
[ 594.307824][T10897] kobject_init_and_add+0x12b/0x1a0
[ 594.307850][T10897] ? __pfx_kobject_init_and_add+0x10/0x10
[ 594.307873][T10897] ? __raw_spin_lock_init+0x45/0x100
[ 594.307892][T10897] ? __init_swait_queue_head+0xa9/0x150
[ 594.307913][T10897] gfs2_sys_fs_add+0x257/0x480
[ 594.307931][T10897] ? is_dynamic_key+0x1ac/0x1c0
[ 594.307951][T10897] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 594.307976][T10897] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 594.308008][T10897] gfs2_fill_super+0x13a7/0x21d0
[ 594.308038][T10897] ? __pfx_gfs2_fill_super+0x10/0x10
[ 594.308058][T10897] ? sb_set_blocksize+0x155/0x240
[ 594.308083][T10897] ? setup_bdev_super+0x4c1/0x5b0
[ 594.308103][T10897] get_tree_bdev_flags+0x431/0x4f0
[ 594.308122][T10897] ? __pfx_gfs2_fill_super+0x10/0x10
[ 594.308137][T10897] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 594.308153][T10897] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 594.308176][T10897] gfs2_get_tree+0x51/0x1e0
[ 594.308196][T10897] vfs_get_tree+0x92/0x2a0
[ 594.308215][T10897] do_new_mount+0x341/0xd30
[ 594.308235][T10897] ? apparmor_capable+0x126/0x170
[ 594.308256][T10897] ? __pfx_do_new_mount+0x10/0x10
[ 594.308276][T10897] ? ns_capable+0x89/0xe0
[ 594.308307][T10897] ? user_path_at+0xd4/0x160
[ 594.308325][T10897] __se_sys_mount+0x31d/0x420
[ 594.308351][T10897] ? __pfx___se_sys_mount+0x10/0x10
[ 594.308378][T10897] ? __x64_sys_mount+0x20/0xc0
[ 594.308397][T10897] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.308415][T10897] do_syscall_64+0x15f/0xf80
[ 594.308434][T10897] ? trace_irq_disable+0x3b/0x140
[ 594.308451][T10897] ? clear_bhb_loop+0x40/0x90
[ 594.308468][T10897] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.308481][T10897] RIP: 0033:0x7f5fdf629a9a
[ 594.308495][T10897] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 594.308506][T10897] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 594.308521][T10897] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 594.308531][T10897] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 594.308540][T10897] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 594.308549][T10897] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 594.308558][T10897] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 594.308583][T10897]
[ 594.310905][T10897] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 594.653223][T10891] loop2: detected capacity change from 0 to 32768
executing program
[ 594.752119][T10897] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 594.753980][T10891] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 594.828874][T10891] CPU: 0 UID: 0 PID: 10891 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 594.828898][T10891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 594.828909][T10891] Call Trace:
[ 594.828916][T10891]
[ 594.828924][T10891] dump_stack_lvl+0xe8/0x150
[ 594.828951][T10891] sysfs_create_dir_ns+0x271/0x2a0
[ 594.828975][T10891] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 594.828997][T10891] ? do_raw_spin_unlock+0xf5/0x210
[ 594.829020][T10891] kobject_add_internal+0x62b/0xd00
[ 594.829051][T10891] kobject_init_and_add+0x12b/0x1a0
[ 594.829078][T10891] ? __pfx_kobject_init_and_add+0x10/0x10
[ 594.829101][T10891] ? __raw_spin_lock_init+0x45/0x100
[ 594.829121][T10891] ? __init_swait_queue_head+0xa9/0x150
[ 594.829143][T10891] gfs2_sys_fs_add+0x257/0x480
[ 594.829162][T10891] ? is_dynamic_key+0x1ac/0x1c0
[ 594.829184][T10891] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 594.829211][T10891] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 594.829242][T10891] gfs2_fill_super+0x13a7/0x21d0
[ 594.829290][T10891] ? __pfx_gfs2_fill_super+0x10/0x10
[ 594.829311][T10891] ? sb_set_blocksize+0x155/0x240
[ 594.829336][T10891] ? setup_bdev_super+0x4c1/0x5b0
[ 594.829357][T10891] get_tree_bdev_flags+0x431/0x4f0
[ 594.829375][T10891] ? __pfx_gfs2_fill_super+0x10/0x10
[ 594.829398][T10891] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 594.829413][T10891] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 594.829440][T10891] gfs2_get_tree+0x51/0x1e0
[ 594.829460][T10891] vfs_get_tree+0x92/0x2a0
executing program
[ 594.829479][T10891] do_new_mount+0x341/0xd30
[ 594.829499][T10891] ? apparmor_capable+0x126/0x170
[ 594.829520][T10891] ? __pfx_do_new_mount+0x10/0x10
[ 594.829541][T10891] ? ns_capable+0x89/0xe0
[ 594.829572][T10891] ? user_path_at+0xd4/0x160
[ 594.829590][T10891] __se_sys_mount+0x31d/0x420
[ 594.829615][T10891] ? __pfx___se_sys_mount+0x10/0x10
[ 594.829642][T10891] ? __x64_sys_mount+0x20/0xc0
[ 594.829661][T10891] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.829679][T10891] do_syscall_64+0x15f/0xf80
[ 594.829698][T10891] ? trace_irq_disable+0x3b/0x140
[ 594.829717][T10891] ? clear_bhb_loop+0x40/0x90
[ 594.829737][T10891] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.829753][T10891] RIP: 0033:0x7f5fdf629a9a
[ 594.829769][T10891] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 594.829782][T10891] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 594.829799][T10891] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 594.829811][T10891] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 594.829822][T10891] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 594.829833][T10891] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 594.829844][T10891] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 594.829870][T10891]
[ 594.830691][T10891] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 595.132465][T10891] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 595.692476][T10915] loop2: detected capacity change from 0 to 32768
[ 595.714911][T10915] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 595.737961][T10915] CPU: 0 UID: 0 PID: 10915 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 595.737987][T10915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 595.737997][T10915] Call Trace:
[ 595.738005][T10915]
[ 595.738013][T10915] dump_stack_lvl+0xe8/0x150
[ 595.738042][T10915] sysfs_create_dir_ns+0x271/0x2a0
[ 595.738068][T10915] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 595.738091][T10915] ? do_raw_spin_unlock+0xf5/0x210
[ 595.738114][T10915] kobject_add_internal+0x62b/0xd00
[ 595.738145][T10915] kobject_init_and_add+0x12b/0x1a0
[ 595.738173][T10915] ? __pfx_kobject_init_and_add+0x10/0x10
[ 595.738196][T10915] ? __raw_spin_lock_init+0x45/0x100
[ 595.738216][T10915] ? __init_swait_queue_head+0xa9/0x150
[ 595.738237][T10915] gfs2_sys_fs_add+0x257/0x480
[ 595.738257][T10915] ? is_dynamic_key+0x1ac/0x1c0
[ 595.738280][T10915] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 595.738308][T10915] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 595.738339][T10915] gfs2_fill_super+0x13a7/0x21d0
[ 595.738376][T10915] ? __pfx_gfs2_fill_super+0x10/0x10
[ 595.738398][T10915] ? sb_set_blocksize+0x155/0x240
[ 595.738423][T10915] ? setup_bdev_super+0x4c1/0x5b0
[ 595.738444][T10915] get_tree_bdev_flags+0x431/0x4f0
[ 595.738462][T10915] ? __pfx_gfs2_fill_super+0x10/0x10
[ 595.738477][T10915] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 595.738493][T10915] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 595.738520][T10915] gfs2_get_tree+0x51/0x1e0
[ 595.738539][T10915] vfs_get_tree+0x92/0x2a0
[ 595.738559][T10915] do_new_mount+0x341/0xd30
[ 595.738578][T10915] ? apparmor_capable+0x126/0x170
[ 595.738599][T10915] ? __pfx_do_new_mount+0x10/0x10
[ 595.738619][T10915] ? ns_capable+0x89/0xe0
[ 595.738651][T10915] ? user_path_at+0xd4/0x160
[ 595.738668][T10915] __se_sys_mount+0x31d/0x420
[ 595.738695][T10915] ? __pfx___se_sys_mount+0x10/0x10
[ 595.738721][T10915] ? __x64_sys_mount+0x20/0xc0
[ 595.738741][T10915] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.738759][T10915] do_syscall_64+0x15f/0xf80
[ 595.738779][T10915] ? trace_irq_disable+0x3b/0x140
[ 595.738797][T10915] ? clear_bhb_loop+0x40/0x90
[ 595.738816][T10915] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.738832][T10915] RIP: 0033:0x7f5fdf629a9a
[ 595.738847][T10915] 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
[ 595.738860][T10915] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 595.738878][T10915] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 595.738890][T10915] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 595.738902][T10915] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 595.738913][T10915] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 595.738924][T10915] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 595.738950][T10915]
[ 595.738973][T10915] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 595.767438][T10906] loop4: detected capacity change from 0 to 32768
[ 595.869928][T10915] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 596.058993][T10913] loop1: detected capacity change from 0 to 32768
[ 596.162292][T10906] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 596.182823][T10913] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 596.206224][T10906] CPU: 1 UID: 0 PID: 10906 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 596.206249][T10906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 596.206260][T10906] Call Trace:
[ 596.206267][T10906]
[ 596.206275][T10906] dump_stack_lvl+0xe8/0x150
[ 596.206303][T10906] sysfs_create_dir_ns+0x271/0x2a0
[ 596.206330][T10906] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 596.206354][T10906] ? do_raw_spin_unlock+0xf5/0x210
[ 596.206377][T10906] kobject_add_internal+0x62b/0xd00
[ 596.206409][T10906] kobject_init_and_add+0x12b/0x1a0
[ 596.206437][T10906] ? __pfx_kobject_init_and_add+0x10/0x10
[ 596.206464][T10906] ? __raw_spin_lock_init+0x45/0x100
[ 596.206483][T10906] ? __init_swait_queue_head+0xa9/0x150
[ 596.206504][T10906] gfs2_sys_fs_add+0x257/0x480
[ 596.206524][T10906] ? is_dynamic_key+0x1ac/0x1c0
[ 596.206546][T10906] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 596.206581][T10906] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 596.206613][T10906] gfs2_fill_super+0x13a7/0x21d0
[ 596.206644][T10906] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.206664][T10906] ? sb_set_blocksize+0x155/0x240
[ 596.206690][T10906] ? setup_bdev_super+0x4c1/0x5b0
[ 596.206711][T10906] get_tree_bdev_flags+0x431/0x4f0
[ 596.206730][T10906] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.206746][T10906] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 596.206761][T10906] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 596.206788][T10906] gfs2_get_tree+0x51/0x1e0
[ 596.206808][T10906] vfs_get_tree+0x92/0x2a0
[ 596.206827][T10906] do_new_mount+0x341/0xd30
[ 596.206846][T10906] ? apparmor_capable+0x126/0x170
[ 596.206865][T10906] ? __pfx_do_new_mount+0x10/0x10
[ 596.206884][T10906] ? ns_capable+0x89/0xe0
[ 596.206913][T10906] ? user_path_at+0xd4/0x160
[ 596.206931][T10906] __se_sys_mount+0x31d/0x420
[ 596.206957][T10906] ? __pfx___se_sys_mount+0x10/0x10
[ 596.206983][T10906] ? __x64_sys_mount+0x20/0xc0
[ 596.207002][T10906] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.207020][T10906] do_syscall_64+0x15f/0xf80
[ 596.207040][T10906] ? trace_irq_disable+0x3b/0x140
[ 596.207059][T10906] ? clear_bhb_loop+0x40/0x90
[ 596.207078][T10906] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.207094][T10906] RIP: 0033:0x7f5fdf629a9a
[ 596.207110][T10906] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 596.207125][T10906] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 596.207143][T10906] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 596.207155][T10906] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 596.207167][T10906] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 596.207179][T10906] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 596.207189][T10906] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 596.207216][T10906]
[ 596.507304][T10913] CPU: 0 UID: 0 PID: 10913 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 596.507329][T10913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 596.507339][T10913] Call Trace:
[ 596.507346][T10913]
[ 596.507354][T10913] dump_stack_lvl+0xe8/0x150
[ 596.507381][T10913] sysfs_create_dir_ns+0x271/0x2a0
[ 596.507407][T10913] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 596.507430][T10913] ? do_raw_spin_unlock+0xf5/0x210
[ 596.507452][T10913] kobject_add_internal+0x62b/0xd00
[ 596.507483][T10913] kobject_init_and_add+0x12b/0x1a0
[ 596.507511][T10913] ? __pfx_kobject_init_and_add+0x10/0x10
[ 596.507532][T10913] ? __raw_spin_lock_init+0x45/0x100
[ 596.507552][T10913] ? __init_swait_queue_head+0xa9/0x150
[ 596.507574][T10913] gfs2_sys_fs_add+0x257/0x480
[ 596.507593][T10913] ? is_dynamic_key+0x1ac/0x1c0
[ 596.507615][T10913] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 596.507642][T10913] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 596.507671][T10913] gfs2_fill_super+0x13a7/0x21d0
[ 596.507701][T10913] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.507721][T10913] ? sb_set_blocksize+0x155/0x240
[ 596.507746][T10913] ? setup_bdev_super+0x4c1/0x5b0
[ 596.507766][T10913] get_tree_bdev_flags+0x431/0x4f0
[ 596.507785][T10913] ? __pfx_gfs2_fill_super+0x10/0x10
[ 596.507800][T10913] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 596.507815][T10913] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 596.507841][T10913] gfs2_get_tree+0x51/0x1e0
[ 596.507861][T10913] vfs_get_tree+0x92/0x2a0
[ 596.507880][T10913] do_new_mount+0x341/0xd30
[ 596.507901][T10913] ? apparmor_capable+0x126/0x170
[ 596.507923][T10913] ? __pfx_do_new_mount+0x10/0x10
[ 596.507943][T10913] ? ns_capable+0x89/0xe0
[ 596.507974][T10913] ? user_path_at+0xd4/0x160
[ 596.507999][T10913] __se_sys_mount+0x31d/0x420
[ 596.508026][T10913] ? __pfx___se_sys_mount+0x10/0x10
[ 596.508051][T10913] ? __x64_sys_mount+0x20/0xc0
[ 596.508071][T10913] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.508089][T10913] do_syscall_64+0x15f/0xf80
[ 596.508109][T10913] ? trace_irq_disable+0x3b/0x140
[ 596.508128][T10913] ? clear_bhb_loop+0x40/0x90
[ 596.508148][T10913] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.508164][T10913] RIP: 0033:0x7f5fdf629a9a
[ 596.508180][T10913] 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
[ 596.508194][T10913] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 596.508212][T10913] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 596.508224][T10913] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 596.508235][T10913] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 596.508246][T10913] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 596.508256][T10913] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 596.508282][T10913]
executing program
[ 596.508310][T10913] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 596.550191][T10906] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 596.608375][T10913] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 596.616040][T10906] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 596.751889][T10916] loop3: detected capacity change from 0 to 32768
executing program
executing program
[ 597.066983][T10916] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 597.079440][T10916] CPU: 0 UID: 0 PID: 10916 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 597.079465][T10916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 597.079476][T10916] Call Trace:
[ 597.079483][T10916]
[ 597.079491][T10916] dump_stack_lvl+0xe8/0x150
[ 597.079519][T10916] sysfs_create_dir_ns+0x271/0x2a0
[ 597.079545][T10916] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 597.079568][T10916] ? do_raw_spin_unlock+0xf5/0x210
[ 597.079592][T10916] kobject_add_internal+0x62b/0xd00
[ 597.079623][T10916] kobject_init_and_add+0x12b/0x1a0
[ 597.079650][T10916] ? __pfx_kobject_init_and_add+0x10/0x10
[ 597.079673][T10916] ? __raw_spin_lock_init+0x45/0x100
[ 597.079692][T10916] ? __init_swait_queue_head+0xa9/0x150
[ 597.079714][T10916] gfs2_sys_fs_add+0x257/0x480
[ 597.079733][T10916] ? is_dynamic_key+0x1ac/0x1c0
[ 597.079755][T10916] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 597.079781][T10916] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 597.079811][T10916] gfs2_fill_super+0x13a7/0x21d0
[ 597.079842][T10916] ? __pfx_gfs2_fill_super+0x10/0x10
[ 597.079863][T10916] ? sb_set_blocksize+0x155/0x240
[ 597.079887][T10916] ? setup_bdev_super+0x4c1/0x5b0
[ 597.079908][T10916] get_tree_bdev_flags+0x431/0x4f0
[ 597.079925][T10916] ? __pfx_gfs2_fill_super+0x10/0x10
[ 597.079941][T10916] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 597.079957][T10916] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 597.079983][T10916] gfs2_get_tree+0x51/0x1e0
[ 597.080003][T10916] vfs_get_tree+0x92/0x2a0
[ 597.080022][T10916] do_new_mount+0x341/0xd30
[ 597.080041][T10916] ? apparmor_capable+0x126/0x170
[ 597.080063][T10916] ? __pfx_do_new_mount+0x10/0x10
[ 597.080083][T10916] ? ns_capable+0x89/0xe0
[ 597.080114][T10916] ? user_path_at+0xd4/0x160
[ 597.080132][T10916] __se_sys_mount+0x31d/0x420
[ 597.080159][T10916] ? __pfx___se_sys_mount+0x10/0x10
[ 597.080185][T10916] ? __x64_sys_mount+0x20/0xc0
[ 597.080205][T10916] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 597.080222][T10916] do_syscall_64+0x15f/0xf80
[ 597.080241][T10916] ? trace_irq_disable+0x3b/0x140
[ 597.080260][T10916] ? clear_bhb_loop+0x40/0x90
[ 597.080279][T10916] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 597.080295][T10916] RIP: 0033:0x7f5fdf629a9a
[ 597.080318][T10916] 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
[ 597.080332][T10916] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 597.080350][T10916] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 597.080361][T10916] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 597.080372][T10916] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 597.080383][T10916] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 597.080393][T10916] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 597.080420][T10916]
[ 597.080443][T10916] 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
[ 597.614762][T10916] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 597.791065][T10925] loop1: detected capacity change from 0 to 32768
[ 597.820797][T10925] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 597.863607][T10925] CPU: 1 UID: 0 PID: 10925 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 597.863633][T10925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 597.863644][T10925] Call Trace:
[ 597.863652][T10925]
[ 597.863660][T10925] dump_stack_lvl+0xe8/0x150
[ 597.863689][T10925] sysfs_create_dir_ns+0x271/0x2a0
[ 597.863715][T10925] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 597.863740][T10925] ? do_raw_spin_unlock+0xf5/0x210
[ 597.863764][T10925] kobject_add_internal+0x62b/0xd00
[ 597.863795][T10925] kobject_init_and_add+0x12b/0x1a0
[ 597.863823][T10925] ? __pfx_kobject_init_and_add+0x10/0x10
[ 597.863846][T10925] ? __raw_spin_lock_init+0x45/0x100
[ 597.863866][T10925] ? __init_swait_queue_head+0xa9/0x150
[ 597.863887][T10925] gfs2_sys_fs_add+0x257/0x480
[ 597.863906][T10925] ? is_dynamic_key+0x1ac/0x1c0
[ 597.863928][T10925] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 597.863955][T10925] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 597.863986][T10925] gfs2_fill_super+0x13a7/0x21d0
[ 597.864017][T10925] ? __pfx_gfs2_fill_super+0x10/0x10
[ 597.864038][T10925] ? sb_set_blocksize+0x155/0x240
[ 597.864061][T10925] ? setup_bdev_super+0x4c1/0x5b0
[ 597.864083][T10925] get_tree_bdev_flags+0x431/0x4f0
[ 597.864101][T10925] ? __pfx_gfs2_fill_super+0x10/0x10
[ 597.864117][T10925] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 597.864132][T10925] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 597.864165][T10925] gfs2_get_tree+0x51/0x1e0
[ 597.864185][T10925] vfs_get_tree+0x92/0x2a0
[ 597.864205][T10925] do_new_mount+0x341/0xd30
[ 597.864224][T10925] ? apparmor_capable+0x126/0x170
[ 597.864246][T10925] ? __pfx_do_new_mount+0x10/0x10
[ 597.864267][T10925] ? ns_capable+0x89/0xe0
[ 597.864299][T10925] ? user_path_at+0xd4/0x160
[ 597.864317][T10925] __se_sys_mount+0x31d/0x420
[ 597.864344][T10925] ? __pfx___se_sys_mount+0x10/0x10
[ 597.864370][T10925] ? __x64_sys_mount+0x20/0xc0
[ 597.864389][T10925] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 597.864407][T10925] do_syscall_64+0x15f/0xf80
[ 597.864427][T10925] ? trace_irq_disable+0x3b/0x140
[ 597.864447][T10925] ? clear_bhb_loop+0x40/0x90
[ 597.864467][T10925] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 597.864483][T10925] RIP: 0033:0x7f5fdf629a9a
[ 597.864499][T10925] 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
[ 597.864513][T10925] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 597.864532][T10925] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 597.864544][T10925] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 597.864555][T10925] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 597.864566][T10925] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 597.864577][T10925] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 597.864604][T10925]
[ 597.864627][T10925] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 597.881090][T10923] loop2: detected capacity change from 0 to 32768
[ 597.983930][T10925] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 598.227765][T10923] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 598.239008][T10923] CPU: 0 UID: 0 PID: 10923 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 598.239034][T10923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 598.239045][T10923] Call Trace:
[ 598.239052][T10923]
[ 598.239060][T10923] dump_stack_lvl+0xe8/0x150
[ 598.239090][T10923] sysfs_create_dir_ns+0x271/0x2a0
[ 598.239116][T10923] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 598.239144][T10923] ? do_raw_spin_unlock+0xf5/0x210
[ 598.239167][T10923] kobject_add_internal+0x62b/0xd00
[ 598.239199][T10923] kobject_init_and_add+0x12b/0x1a0
[ 598.239226][T10923] ? __pfx_kobject_init_and_add+0x10/0x10
[ 598.239250][T10923] ? __raw_spin_lock_init+0x45/0x100
[ 598.239270][T10923] ? __init_swait_queue_head+0xa9/0x150
[ 598.239291][T10923] gfs2_sys_fs_add+0x257/0x480
[ 598.239311][T10923] ? is_dynamic_key+0x1ac/0x1c0
[ 598.239333][T10923] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 598.239361][T10923] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 598.239392][T10923] gfs2_fill_super+0x13a7/0x21d0
[ 598.239424][T10923] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.239444][T10923] ? sb_set_blocksize+0x155/0x240
[ 598.239469][T10923] ? setup_bdev_super+0x4c1/0x5b0
[ 598.239496][T10923] get_tree_bdev_flags+0x431/0x4f0
[ 598.239515][T10923] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.239531][T10923] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 598.239547][T10923] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 598.239574][T10923] gfs2_get_tree+0x51/0x1e0
[ 598.239593][T10923] vfs_get_tree+0x92/0x2a0
[ 598.239613][T10923] do_new_mount+0x341/0xd30
[ 598.239633][T10923] ? apparmor_capable+0x126/0x170
[ 598.239654][T10923] ? __pfx_do_new_mount+0x10/0x10
[ 598.239674][T10923] ? ns_capable+0x89/0xe0
[ 598.239704][T10923] ? user_path_at+0xd4/0x160
[ 598.239723][T10923] __se_sys_mount+0x31d/0x420
[ 598.239749][T10923] ? __pfx___se_sys_mount+0x10/0x10
[ 598.239776][T10923] ? __x64_sys_mount+0x20/0xc0
[ 598.239795][T10923] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.239813][T10923] do_syscall_64+0x15f/0xf80
[ 598.239832][T10923] ? trace_irq_disable+0x3b/0x140
[ 598.239851][T10923] ? clear_bhb_loop+0x40/0x90
[ 598.239871][T10923] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.239888][T10923] RIP: 0033:0x7f5fdf629a9a
[ 598.239903][T10923] 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
[ 598.239917][T10923] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 598.239935][T10923] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 598.239947][T10923] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 598.239959][T10923] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 598.239970][T10923] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 598.239980][T10923] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 598.240007][T10923]
[ 598.240030][T10923] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 598.392120][T10924] loop4: detected capacity change from 0 to 32768
[ 598.432229][T10923] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 598.633060][T10924] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 598.659260][T10924] CPU: 0 UID: 0 PID: 10924 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 598.659286][T10924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 598.659297][T10924] Call Trace:
[ 598.659305][T10924]
[ 598.659312][T10924] dump_stack_lvl+0xe8/0x150
[ 598.659340][T10924] sysfs_create_dir_ns+0x271/0x2a0
[ 598.659372][T10924] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 598.659396][T10924] ? do_raw_spin_unlock+0xf5/0x210
[ 598.659419][T10924] kobject_add_internal+0x62b/0xd00
[ 598.659451][T10924] kobject_init_and_add+0x12b/0x1a0
[ 598.659480][T10924] ? __pfx_kobject_init_and_add+0x10/0x10
[ 598.659504][T10924] ? __raw_spin_lock_init+0x45/0x100
[ 598.659524][T10924] ? __init_swait_queue_head+0xa9/0x150
[ 598.659547][T10924] gfs2_sys_fs_add+0x257/0x480
[ 598.659567][T10924] ? is_dynamic_key+0x1ac/0x1c0
[ 598.659590][T10924] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 598.659617][T10924] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 598.659649][T10924] gfs2_fill_super+0x13a7/0x21d0
[ 598.659681][T10924] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.659701][T10924] ? sb_set_blocksize+0x155/0x240
[ 598.659726][T10924] ? setup_bdev_super+0x4c1/0x5b0
[ 598.659746][T10924] get_tree_bdev_flags+0x431/0x4f0
executing program
[ 598.659764][T10924] ? __pfx_gfs2_fill_super+0x10/0x10
[ 598.659780][T10924] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 598.659796][T10924] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 598.659823][T10924] gfs2_get_tree+0x51/0x1e0
[ 598.659843][T10924] vfs_get_tree+0x92/0x2a0
[ 598.659862][T10924] do_new_mount+0x341/0xd30
[ 598.659882][T10924] ? apparmor_capable+0x126/0x170
[ 598.659903][T10924] ? __pfx_do_new_mount+0x10/0x10
[ 598.659924][T10924] ? ns_capable+0x89/0xe0
[ 598.659954][T10924] ? user_path_at+0xd4/0x160
[ 598.659972][T10924] __se_sys_mount+0x31d/0x420
[ 598.659998][T10924] ? __pfx___se_sys_mount+0x10/0x10
[ 598.660025][T10924] ? __x64_sys_mount+0x20/0xc0
[ 598.660044][T10924] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.660062][T10924] do_syscall_64+0x15f/0xf80
[ 598.660080][T10924] ? trace_irq_disable+0x3b/0x140
[ 598.660099][T10924] ? clear_bhb_loop+0x40/0x90
[ 598.660118][T10924] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.660133][T10924] RIP: 0033:0x7f5fdf629a9a
[ 598.660148][T10924] 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
[ 598.660161][T10924] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 598.660178][T10924] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 598.660189][T10924] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 598.660201][T10924] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 598.660211][T10924] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 598.660221][T10924] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 598.660248][T10924]
[ 598.660272][T10924] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 598.963178][T10924] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 599.401425][T10933] loop3: detected capacity change from 0 to 32768
[ 599.433821][T10933] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 599.453920][T10933] CPU: 0 UID: 0 PID: 10933 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 599.453945][T10933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 599.453956][T10933] Call Trace:
[ 599.453963][T10933]
[ 599.453970][T10933] dump_stack_lvl+0xe8/0x150
[ 599.453999][T10933] sysfs_create_dir_ns+0x271/0x2a0
[ 599.454025][T10933] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 599.454047][T10933] ? do_raw_spin_unlock+0xf5/0x210
[ 599.454067][T10933] kobject_add_internal+0x62b/0xd00
[ 599.454098][T10933] kobject_init_and_add+0x12b/0x1a0
[ 599.454145][T10933] ? __pfx_kobject_init_and_add+0x10/0x10
[ 599.454169][T10933] ? __raw_spin_lock_init+0x45/0x100
[ 599.454189][T10933] ? __init_swait_queue_head+0xa9/0x150
[ 599.454210][T10933] gfs2_sys_fs_add+0x257/0x480
[ 599.454230][T10933] ? is_dynamic_key+0x1ac/0x1c0
[ 599.454253][T10933] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 599.454279][T10933] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 599.454316][T10933] gfs2_fill_super+0x13a7/0x21d0
[ 599.454348][T10933] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.454369][T10933] ? sb_set_blocksize+0x155/0x240
[ 599.454394][T10933] ? setup_bdev_super+0x4c1/0x5b0
[ 599.454415][T10933] get_tree_bdev_flags+0x431/0x4f0
[ 599.454433][T10933] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.454449][T10933] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 599.454464][T10933] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 599.454491][T10933] gfs2_get_tree+0x51/0x1e0
[ 599.454511][T10933] vfs_get_tree+0x92/0x2a0
[ 599.454531][T10933] do_new_mount+0x341/0xd30
[ 599.454550][T10933] ? apparmor_capable+0x126/0x170
[ 599.454571][T10933] ? __pfx_do_new_mount+0x10/0x10
[ 599.454592][T10933] ? ns_capable+0x89/0xe0
[ 599.454622][T10933] ? user_path_at+0xd4/0x160
[ 599.454640][T10933] __se_sys_mount+0x31d/0x420
[ 599.454667][T10933] ? __pfx___se_sys_mount+0x10/0x10
[ 599.454694][T10933] ? __x64_sys_mount+0x20/0xc0
[ 599.454717][T10933] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.454736][T10933] do_syscall_64+0x15f/0xf80
[ 599.454755][T10933] ? trace_irq_disable+0x3b/0x140
[ 599.454774][T10933] ? clear_bhb_loop+0x40/0x90
[ 599.454794][T10933] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.454811][T10933] RIP: 0033:0x7f5fdf629a9a
[ 599.454827][T10933] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 599.454841][T10933] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 599.454859][T10933] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 599.454871][T10933] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 599.454883][T10933] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 599.454894][T10933] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 599.454905][T10933] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 599.454931][T10933]
[ 599.743838][T10933] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 599.758085][T10933] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 599.921559][T10936] loop1: detected capacity change from 0 to 32768
[ 599.938351][T10936] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 599.945837][T10936] CPU: 0 UID: 0 PID: 10936 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 599.945862][T10936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 599.945873][T10936] Call Trace:
[ 599.945881][T10936]
[ 599.945888][T10936] dump_stack_lvl+0xe8/0x150
[ 599.945925][T10936] sysfs_create_dir_ns+0x271/0x2a0
[ 599.945967][T10936] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 599.945991][T10936] ? do_raw_spin_unlock+0xf5/0x210
[ 599.946021][T10936] kobject_add_internal+0x62b/0xd00
[ 599.946078][T10936] kobject_init_and_add+0x12b/0x1a0
[ 599.946105][T10936] ? __pfx_kobject_init_and_add+0x10/0x10
[ 599.946133][T10936] ? __raw_spin_lock_init+0x45/0x100
[ 599.946158][T10936] ? __init_swait_queue_head+0xa9/0x150
[ 599.946186][T10936] gfs2_sys_fs_add+0x257/0x480
[ 599.946206][T10936] ? is_dynamic_key+0x1ac/0x1c0
[ 599.946228][T10936] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 599.946262][T10936] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 599.946294][T10936] gfs2_fill_super+0x13a7/0x21d0
[ 599.946326][T10936] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.946354][T10936] ? sb_set_blocksize+0x155/0x240
[ 599.946379][T10936] ? setup_bdev_super+0x4c1/0x5b0
[ 599.946400][T10936] get_tree_bdev_flags+0x431/0x4f0
[ 599.946418][T10936] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.946434][T10936] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 599.946449][T10936] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 599.946476][T10936] gfs2_get_tree+0x51/0x1e0
[ 599.946496][T10936] vfs_get_tree+0x92/0x2a0
[ 599.946515][T10936] do_new_mount+0x341/0xd30
[ 599.946534][T10936] ? apparmor_capable+0x126/0x170
[ 599.946556][T10936] ? __pfx_do_new_mount+0x10/0x10
[ 599.946576][T10936] ? ns_capable+0x89/0xe0
[ 599.946606][T10936] ? user_path_at+0xd4/0x160
[ 599.946624][T10936] __se_sys_mount+0x31d/0x420
[ 599.946656][T10936] ? __pfx___se_sys_mount+0x10/0x10
[ 599.946683][T10936] ? __x64_sys_mount+0x20/0xc0
[ 599.946703][T10936] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.946720][T10936] do_syscall_64+0x15f/0xf80
[ 599.946740][T10936] ? trace_irq_disable+0x3b/0x140
[ 599.946759][T10936] ? clear_bhb_loop+0x40/0x90
[ 599.946779][T10936] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.946796][T10936] RIP: 0033:0x7f5fdf629a9a
[ 599.946813][T10936] 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
[ 599.946826][T10936] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 599.946844][T10936] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 599.946861][T10936] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 599.946870][T10936] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 599.946879][T10936] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 599.946894][T10936] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 599.946918][T10936]
[ 600.357065][T10936] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 600.377830][T10936] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 600.459990][T10937] loop2: detected capacity change from 0 to 32768
[ 600.500601][T10937] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 600.576972][T10937] CPU: 0 UID: 0 PID: 10937 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 600.577006][T10937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 600.577016][T10937] Call Trace:
[ 600.577024][T10937]
[ 600.577032][T10937] dump_stack_lvl+0xe8/0x150
[ 600.577061][T10937] sysfs_create_dir_ns+0x271/0x2a0
[ 600.577087][T10937] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 600.577111][T10937] ? do_raw_spin_unlock+0xf5/0x210
[ 600.577134][T10937] kobject_add_internal+0x62b/0xd00
[ 600.577165][T10937] kobject_init_and_add+0x12b/0x1a0
[ 600.577193][T10937] ? __pfx_kobject_init_and_add+0x10/0x10
[ 600.577216][T10937] ? __raw_spin_lock_init+0x45/0x100
[ 600.577236][T10937] ? __init_swait_queue_head+0xa9/0x150
[ 600.577257][T10937] gfs2_sys_fs_add+0x257/0x480
[ 600.577277][T10937] ? is_dynamic_key+0x1ac/0x1c0
[ 600.577298][T10937] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 600.577324][T10937] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 600.577354][T10937] gfs2_fill_super+0x13a7/0x21d0
[ 600.577386][T10937] ? __pfx_gfs2_fill_super+0x10/0x10
[ 600.577406][T10937] ? sb_set_blocksize+0x155/0x240
[ 600.577430][T10937] ? setup_bdev_super+0x4c1/0x5b0
[ 600.577451][T10937] get_tree_bdev_flags+0x431/0x4f0
[ 600.577469][T10937] ? __pfx_gfs2_fill_super+0x10/0x10
[ 600.577485][T10937] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 600.577501][T10937] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 600.577528][T10937] gfs2_get_tree+0x51/0x1e0
[ 600.577547][T10937] vfs_get_tree+0x92/0x2a0
[ 600.577567][T10937] do_new_mount+0x341/0xd30
[ 600.577585][T10937] ? apparmor_capable+0x126/0x170
[ 600.577606][T10937] ? __pfx_do_new_mount+0x10/0x10
[ 600.577627][T10937] ? ns_capable+0x89/0xe0
[ 600.577658][T10937] ? user_path_at+0xd4/0x160
[ 600.577676][T10937] __se_sys_mount+0x31d/0x420
[ 600.577701][T10937] ? __pfx___se_sys_mount+0x10/0x10
[ 600.577728][T10937] ? __x64_sys_mount+0x20/0xc0
[ 600.577747][T10937] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.577765][T10937] do_syscall_64+0x15f/0xf80
[ 600.577783][T10937] ? trace_irq_disable+0x3b/0x140
[ 600.577803][T10937] ? clear_bhb_loop+0x40/0x90
[ 600.577823][T10937] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.577839][T10937] RIP: 0033:0x7f5fdf629a9a
[ 600.577855][T10937] 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
[ 600.577869][T10937] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 600.577887][T10937] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 600.577899][T10937] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 600.577911][T10937] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 600.577922][T10937] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 600.577932][T10937] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 600.577959][T10937]
[ 600.577983][T10937] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 600.741536][T10938] loop4: detected capacity change from 0 to 32768
[ 600.743566][T10937] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 600.828408][T10938] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
executing program
[ 601.099107][T10938] CPU: 1 UID: 0 PID: 10938 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 601.099133][T10938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 601.099143][T10938] Call Trace:
[ 601.099151][T10938]
[ 601.099159][T10938] dump_stack_lvl+0xe8/0x150
[ 601.099189][T10938] sysfs_create_dir_ns+0x271/0x2a0
[ 601.099215][T10938] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 601.099238][T10938] ? do_raw_spin_unlock+0xf5/0x210
[ 601.099269][T10938] kobject_add_internal+0x62b/0xd00
[ 601.099300][T10938] kobject_init_and_add+0x12b/0x1a0
[ 601.099328][T10938] ? __pfx_kobject_init_and_add+0x10/0x10
[ 601.099351][T10938] ? __raw_spin_lock_init+0x45/0x100
[ 601.099372][T10938] ? __init_swait_queue_head+0xa9/0x150
[ 601.099394][T10938] gfs2_sys_fs_add+0x257/0x480
[ 601.099413][T10938] ? is_dynamic_key+0x1ac/0x1c0
[ 601.099435][T10938] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 601.099462][T10938] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 601.099493][T10938] gfs2_fill_super+0x13a7/0x21d0
[ 601.099524][T10938] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.099544][T10938] ? sb_set_blocksize+0x155/0x240
[ 601.099569][T10938] ? setup_bdev_super+0x4c1/0x5b0
[ 601.099589][T10938] get_tree_bdev_flags+0x431/0x4f0
[ 601.099607][T10938] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.099623][T10938] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 601.099639][T10938] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 601.099666][T10938] gfs2_get_tree+0x51/0x1e0
[ 601.099686][T10938] vfs_get_tree+0x92/0x2a0
[ 601.099706][T10938] do_new_mount+0x341/0xd30
[ 601.099725][T10938] ? apparmor_capable+0x126/0x170
[ 601.099745][T10938] ? __pfx_do_new_mount+0x10/0x10
[ 601.099765][T10938] ? ns_capable+0x89/0xe0
[ 601.099796][T10938] ? user_path_at+0xd4/0x160
[ 601.099821][T10938] __se_sys_mount+0x31d/0x420
[ 601.099848][T10938] ? __pfx___se_sys_mount+0x10/0x10
[ 601.099875][T10938] ? __x64_sys_mount+0x20/0xc0
[ 601.099894][T10938] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.099912][T10938] do_syscall_64+0x15f/0xf80
[ 601.099932][T10938] ? trace_irq_disable+0x3b/0x140
[ 601.099951][T10938] ? clear_bhb_loop+0x40/0x90
[ 601.099977][T10938] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.099993][T10938] RIP: 0033:0x7f5fdf629a9a
[ 601.100009][T10938] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 601.100023][T10938] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 601.100041][T10938] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 601.100054][T10938] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 601.100065][T10938] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 601.100076][T10938] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 601.100086][T10938] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 601.100113][T10938]
[ 601.100138][T10938] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 601.585242][T10938] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 601.597943][T10942] loop3: detected capacity change from 0 to 32768
[ 601.643387][T10942] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 601.672408][T10942] CPU: 0 UID: 0 PID: 10942 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 601.672433][T10942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 601.672444][T10942] Call Trace:
[ 601.672451][T10942]
[ 601.672459][T10942] dump_stack_lvl+0xe8/0x150
[ 601.672488][T10942] sysfs_create_dir_ns+0x271/0x2a0
[ 601.672513][T10942] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 601.672536][T10942] ? do_raw_spin_unlock+0xf5/0x210
[ 601.672559][T10942] kobject_add_internal+0x62b/0xd00
[ 601.672591][T10942] kobject_init_and_add+0x12b/0x1a0
[ 601.672619][T10942] ? __pfx_kobject_init_and_add+0x10/0x10
[ 601.672643][T10942] ? __raw_spin_lock_init+0x45/0x100
[ 601.672664][T10942] ? __init_swait_queue_head+0xa9/0x150
[ 601.672686][T10942] gfs2_sys_fs_add+0x257/0x480
[ 601.672706][T10942] ? is_dynamic_key+0x1ac/0x1c0
[ 601.672728][T10942] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 601.672756][T10942] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 601.672793][T10942] gfs2_fill_super+0x13a7/0x21d0
[ 601.672824][T10942] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.672844][T10942] ? sb_set_blocksize+0x155/0x240
[ 601.672868][T10942] ? setup_bdev_super+0x4c1/0x5b0
[ 601.672889][T10942] get_tree_bdev_flags+0x431/0x4f0
[ 601.672906][T10942] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.672922][T10942] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 601.672937][T10942] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 601.672963][T10942] gfs2_get_tree+0x51/0x1e0
[ 601.672983][T10942] vfs_get_tree+0x92/0x2a0
[ 601.673003][T10942] do_new_mount+0x341/0xd30
[ 601.673022][T10942] ? apparmor_capable+0x126/0x170
[ 601.673043][T10942] ? __pfx_do_new_mount+0x10/0x10
[ 601.673063][T10942] ? ns_capable+0x89/0xe0
[ 601.673095][T10942] ? user_path_at+0xd4/0x160
[ 601.673113][T10942] __se_sys_mount+0x31d/0x420
[ 601.673145][T10942] ? __pfx___se_sys_mount+0x10/0x10
[ 601.673171][T10942] ? __x64_sys_mount+0x20/0xc0
[ 601.673191][T10942] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.673208][T10942] do_syscall_64+0x15f/0xf80
[ 601.673228][T10942] ? trace_irq_disable+0x3b/0x140
[ 601.673247][T10942] ? clear_bhb_loop+0x40/0x90
[ 601.673267][T10942] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.673283][T10942] RIP: 0033:0x7f5fdf629a9a
[ 601.673299][T10942] 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
[ 601.673313][T10942] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 601.673331][T10942] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 601.673344][T10942] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 601.673355][T10942] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 601.673367][T10942] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 601.673378][T10942] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 601.673405][T10942]
[ 601.673429][T10942] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 601.831027][T10945] loop1: detected capacity change from 0 to 32768
executing program
executing program
[ 602.155176][T10942] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 602.193404][T10945] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.220921][T10945] CPU: 0 UID: 0 PID: 10945 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 602.220946][T10945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 602.220956][T10945] Call Trace:
[ 602.220963][T10945]
[ 602.220970][T10945] dump_stack_lvl+0xe8/0x150
[ 602.220998][T10945] sysfs_create_dir_ns+0x271/0x2a0
[ 602.221023][T10945] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.221043][T10945] ? do_raw_spin_unlock+0xf5/0x210
[ 602.221064][T10945] kobject_add_internal+0x62b/0xd00
[ 602.221093][T10945] kobject_init_and_add+0x12b/0x1a0
[ 602.221132][T10945] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.221152][T10945] ? __raw_spin_lock_init+0x45/0x100
[ 602.221169][T10945] ? __init_swait_queue_head+0xa9/0x150
[ 602.221190][T10945] gfs2_sys_fs_add+0x257/0x480
[ 602.221207][T10945] ? is_dynamic_key+0x1ac/0x1c0
[ 602.221229][T10945] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.221256][T10945] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.221286][T10945] gfs2_fill_super+0x13a7/0x21d0
[ 602.221315][T10945] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.221334][T10945] ? sb_set_blocksize+0x155/0x240
[ 602.221356][T10945] ? setup_bdev_super+0x4c1/0x5b0
[ 602.221375][T10945] get_tree_bdev_flags+0x431/0x4f0
[ 602.221392][T10945] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.221406][T10945] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.221420][T10945] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 602.221444][T10945] gfs2_get_tree+0x51/0x1e0
[ 602.221462][T10945] vfs_get_tree+0x92/0x2a0
[ 602.221477][T10945] do_new_mount+0x341/0xd30
[ 602.221497][T10945] ? apparmor_capable+0x126/0x170
[ 602.221515][T10945] ? __pfx_do_new_mount+0x10/0x10
[ 602.221534][T10945] ? ns_capable+0x89/0xe0
[ 602.221562][T10945] ? user_path_at+0xd4/0x160
[ 602.221579][T10945] __se_sys_mount+0x31d/0x420
[ 602.221604][T10945] ? __pfx___se_sys_mount+0x10/0x10
[ 602.221629][T10945] ? __x64_sys_mount+0x20/0xc0
[ 602.221648][T10945] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.221666][T10945] do_syscall_64+0x15f/0xf80
[ 602.221686][T10945] ? trace_irq_disable+0x3b/0x140
[ 602.221703][T10945] ? clear_bhb_loop+0x40/0x90
[ 602.221723][T10945] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.221739][T10945] RIP: 0033:0x7f5fdf629a9a
[ 602.221755][T10945] 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
[ 602.221769][T10945] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 602.221787][T10945] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 602.221798][T10945] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 602.221808][T10945] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 602.221818][T10945] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 602.221828][T10945] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 602.221854][T10945]
[ 602.223659][T10945] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 602.278911][T10950] loop2: detected capacity change from 0 to 32768
[ 602.282517][T10945] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 602.587186][T10950] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.596313][T10950] CPU: 1 UID: 0 PID: 10950 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 602.596339][T10950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 602.596350][T10950] Call Trace:
[ 602.596357][T10950]
[ 602.596365][T10950] dump_stack_lvl+0xe8/0x150
[ 602.596393][T10950] sysfs_create_dir_ns+0x271/0x2a0
[ 602.596419][T10950] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.596443][T10950] ? do_raw_spin_unlock+0xf5/0x210
[ 602.596466][T10950] kobject_add_internal+0x62b/0xd00
[ 602.596498][T10950] kobject_init_and_add+0x12b/0x1a0
[ 602.596524][T10950] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.596548][T10950] ? __raw_spin_lock_init+0x45/0x100
[ 602.596568][T10950] ? __init_swait_queue_head+0xa9/0x150
[ 602.596590][T10950] gfs2_sys_fs_add+0x257/0x480
[ 602.596609][T10950] ? is_dynamic_key+0x1ac/0x1c0
[ 602.596631][T10950] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.596659][T10950] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.596690][T10950] gfs2_fill_super+0x13a7/0x21d0
[ 602.596721][T10950] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.596758][T10950] ? sb_set_blocksize+0x155/0x240
[ 602.596788][T10950] ? setup_bdev_super+0x4c1/0x5b0
[ 602.596809][T10950] get_tree_bdev_flags+0x431/0x4f0
[ 602.596827][T10950] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.596843][T10950] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.596860][T10950] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 602.596883][T10950] gfs2_get_tree+0x51/0x1e0
[ 602.596900][T10950] vfs_get_tree+0x92/0x2a0
[ 602.596918][T10950] do_new_mount+0x341/0xd30
[ 602.596937][T10950] ? apparmor_capable+0x126/0x170
[ 602.596957][T10950] ? __pfx_do_new_mount+0x10/0x10
[ 602.596977][T10950] ? ns_capable+0x89/0xe0
[ 602.597008][T10950] ? user_path_at+0xd4/0x160
[ 602.597026][T10950] __se_sys_mount+0x31d/0x420
[ 602.597052][T10950] ? __pfx___se_sys_mount+0x10/0x10
[ 602.597077][T10950] ? __x64_sys_mount+0x20/0xc0
[ 602.597095][T10950] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.597111][T10950] do_syscall_64+0x15f/0xf80
[ 602.597131][T10950] ? trace_irq_disable+0x3b/0x140
[ 602.597150][T10950] ? clear_bhb_loop+0x40/0x90
[ 602.597170][T10950] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.597187][T10950] RIP: 0033:0x7f5fdf629a9a
[ 602.597203][T10950] 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
[ 602.597217][T10950] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 602.597236][T10950] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 602.597248][T10950] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 602.597258][T10950] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 602.597268][T10950] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 602.597279][T10950] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 602.597307][T10950]
[ 603.075426][T10953] loop4: detected capacity change from 0 to 32768
[ 603.181540][T10953] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 603.218501][T10953] CPU: 1 UID: 0 PID: 10953 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 603.218525][T10953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 603.218534][T10953] Call Trace:
[ 603.218540][T10953]
[ 603.218547][T10953] dump_stack_lvl+0xe8/0x150
[ 603.218575][T10953] sysfs_create_dir_ns+0x271/0x2a0
[ 603.218601][T10953] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 603.218622][T10953] ? do_raw_spin_unlock+0xf5/0x210
[ 603.218642][T10953] kobject_add_internal+0x62b/0xd00
[ 603.218671][T10953] kobject_init_and_add+0x12b/0x1a0
[ 603.218699][T10953] ? __pfx_kobject_init_and_add+0x10/0x10
[ 603.218723][T10953] ? __raw_spin_lock_init+0x45/0x100
[ 603.218743][T10953] ? __init_swait_queue_head+0xa9/0x150
[ 603.218774][T10953] gfs2_sys_fs_add+0x257/0x480
[ 603.218794][T10953] ? is_dynamic_key+0x1ac/0x1c0
[ 603.218817][T10953] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 603.218844][T10953] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 603.218876][T10953] gfs2_fill_super+0x13a7/0x21d0
[ 603.218908][T10953] ? __pfx_gfs2_fill_super+0x10/0x10
[ 603.218928][T10953] ? sb_set_blocksize+0x155/0x240
[ 603.218963][T10953] ? setup_bdev_super+0x4c1/0x5b0
[ 603.218984][T10953] get_tree_bdev_flags+0x431/0x4f0
[ 603.219003][T10953] ? __pfx_gfs2_fill_super+0x10/0x10
[ 603.219018][T10953] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 603.219033][T10953] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 603.219060][T10953] gfs2_get_tree+0x51/0x1e0
[ 603.219079][T10953] vfs_get_tree+0x92/0x2a0
[ 603.219099][T10953] do_new_mount+0x341/0xd30
[ 603.219118][T10953] ? apparmor_capable+0x126/0x170
[ 603.219140][T10953] ? __pfx_do_new_mount+0x10/0x10
[ 603.219160][T10953] ? ns_capable+0x89/0xe0
[ 603.219191][T10953] ? user_path_at+0xd4/0x160
[ 603.219209][T10953] __se_sys_mount+0x31d/0x420
[ 603.219234][T10953] ? __pfx___se_sys_mount+0x10/0x10
[ 603.219260][T10953] ? __x64_sys_mount+0x20/0xc0
[ 603.219280][T10953] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.219298][T10953] do_syscall_64+0x15f/0xf80
[ 603.219319][T10953] ? trace_irq_disable+0x3b/0x140
[ 603.219338][T10953] ? clear_bhb_loop+0x40/0x90
[ 603.219359][T10953] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.219375][T10953] RIP: 0033:0x7f5fdf629a9a
[ 603.219391][T10953] 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
[ 603.219404][T10953] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 603.219423][T10953] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 603.219435][T10953] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 603.219447][T10953] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 603.219458][T10953] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 603.219469][T10953] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 603.219496][T10953]
executing program
executing program
executing program
[ 603.219521][T10953] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 603.319850][T10950] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 603.559373][T10953] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 603.886913][T10950] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 604.099639][T10961] loop3: detected capacity change from 0 to 32768
[ 604.130732][T10961] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 604.182772][T10961] CPU: 0 UID: 0 PID: 10961 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 604.182796][T10961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 604.182807][T10961] Call Trace:
[ 604.182814][T10961]
[ 604.182822][T10961] dump_stack_lvl+0xe8/0x150
[ 604.182851][T10961] sysfs_create_dir_ns+0x271/0x2a0
[ 604.182878][T10961] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 604.182901][T10961] ? do_raw_spin_unlock+0xf5/0x210
[ 604.182926][T10961] kobject_add_internal+0x62b/0xd00
[ 604.182959][T10961] kobject_init_and_add+0x12b/0x1a0
[ 604.182986][T10961] ? __pfx_kobject_init_and_add+0x10/0x10
[ 604.183009][T10961] ? __raw_spin_lock_init+0x45/0x100
[ 604.183030][T10961] ? __init_swait_queue_head+0xa9/0x150
[ 604.183052][T10961] gfs2_sys_fs_add+0x257/0x480
[ 604.183072][T10961] ? is_dynamic_key+0x1ac/0x1c0
[ 604.183094][T10961] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 604.183122][T10961] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 604.183153][T10961] gfs2_fill_super+0x13a7/0x21d0
[ 604.183185][T10961] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.183205][T10961] ? sb_set_blocksize+0x155/0x240
[ 604.183230][T10961] ? setup_bdev_super+0x4c1/0x5b0
[ 604.183250][T10961] get_tree_bdev_flags+0x431/0x4f0
[ 604.183269][T10961] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.183285][T10961] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 604.183300][T10961] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 604.183327][T10961] gfs2_get_tree+0x51/0x1e0
[ 604.183347][T10961] vfs_get_tree+0x92/0x2a0
executing program
[ 604.183366][T10961] do_new_mount+0x341/0xd30
[ 604.183386][T10961] ? apparmor_capable+0x126/0x170
[ 604.183408][T10961] ? __pfx_do_new_mount+0x10/0x10
[ 604.183429][T10961] ? ns_capable+0x89/0xe0
[ 604.183460][T10961] ? user_path_at+0xd4/0x160
[ 604.183478][T10961] __se_sys_mount+0x31d/0x420
[ 604.183505][T10961] ? __pfx___se_sys_mount+0x10/0x10
[ 604.183531][T10961] ? __x64_sys_mount+0x20/0xc0
[ 604.183551][T10961] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.183569][T10961] do_syscall_64+0x15f/0xf80
[ 604.183587][T10961] ? trace_irq_disable+0x3b/0x140
[ 604.183606][T10961] ? clear_bhb_loop+0x40/0x90
[ 604.183627][T10961] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.183643][T10961] RIP: 0033:0x7f5fdf629a9a
[ 604.183659][T10961] 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
[ 604.183672][T10961] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 604.183690][T10961] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 604.183702][T10961] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 604.183714][T10961] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 604.183725][T10961] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 604.183735][T10961] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 604.183761][T10961]
[ 604.183785][T10961] 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
[ 604.511549][T10961] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 604.638226][T10963] loop1: detected capacity change from 0 to 32768
[ 604.672913][T10963] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 604.692299][T10963] CPU: 1 UID: 0 PID: 10963 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 604.692325][T10963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 604.692336][T10963] Call Trace:
[ 604.692344][T10963]
[ 604.692352][T10963] dump_stack_lvl+0xe8/0x150
[ 604.692380][T10963] sysfs_create_dir_ns+0x271/0x2a0
[ 604.692406][T10963] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 604.692429][T10963] ? do_raw_spin_unlock+0xf5/0x210
[ 604.692452][T10963] kobject_add_internal+0x62b/0xd00
[ 604.692483][T10963] kobject_init_and_add+0x12b/0x1a0
[ 604.692510][T10963] ? __pfx_kobject_init_and_add+0x10/0x10
[ 604.692533][T10963] ? __raw_spin_lock_init+0x45/0x100
[ 604.692552][T10963] ? __init_swait_queue_head+0xa9/0x150
[ 604.692573][T10963] gfs2_sys_fs_add+0x257/0x480
[ 604.692593][T10963] ? is_dynamic_key+0x1ac/0x1c0
[ 604.692616][T10963] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 604.692644][T10963] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 604.692677][T10963] gfs2_fill_super+0x13a7/0x21d0
[ 604.692721][T10963] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.692742][T10963] ? sb_set_blocksize+0x155/0x240
[ 604.692766][T10963] ? setup_bdev_super+0x4c1/0x5b0
[ 604.692786][T10963] get_tree_bdev_flags+0x431/0x4f0
[ 604.692802][T10963] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.692817][T10963] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 604.692832][T10963] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 604.692858][T10963] gfs2_get_tree+0x51/0x1e0
[ 604.692891][T10963] vfs_get_tree+0x92/0x2a0
[ 604.692910][T10963] do_new_mount+0x341/0xd30
[ 604.692930][T10963] ? apparmor_capable+0x126/0x170
[ 604.692951][T10963] ? __pfx_do_new_mount+0x10/0x10
[ 604.692978][T10963] ? ns_capable+0x89/0xe0
[ 604.693009][T10963] ? user_path_at+0xd4/0x160
[ 604.693025][T10963] __se_sys_mount+0x31d/0x420
[ 604.693052][T10963] ? __pfx___se_sys_mount+0x10/0x10
[ 604.693078][T10963] ? __x64_sys_mount+0x20/0xc0
[ 604.693114][T10963] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.693132][T10963] do_syscall_64+0x15f/0xf80
[ 604.693153][T10963] ? trace_irq_disable+0x3b/0x140
[ 604.693171][T10963] ? clear_bhb_loop+0x40/0x90
[ 604.693190][T10963] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.693206][T10963] RIP: 0033:0x7f5fdf629a9a
[ 604.693223][T10963] 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
[ 604.693236][T10963] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 604.693254][T10963] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 604.693265][T10963] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 604.693275][T10963] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 604.693286][T10963] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 604.693296][T10963] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 604.693323][T10963]
[ 604.693347][T10963] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 604.997660][T10964] loop4: detected capacity change from 0 to 32768
[ 605.180710][T10964] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 605.213472][T10964] CPU: 0 UID: 0 PID: 10964 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
executing program
[ 605.213497][T10964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 605.213508][T10964] Call Trace:
[ 605.213515][T10964]
[ 605.213523][T10964] dump_stack_lvl+0xe8/0x150
[ 605.213553][T10964] sysfs_create_dir_ns+0x271/0x2a0
[ 605.213579][T10964] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 605.213603][T10964] ? do_raw_spin_unlock+0xf5/0x210
[ 605.213625][T10964] kobject_add_internal+0x62b/0xd00
[ 605.213661][T10964] kobject_init_and_add+0x12b/0x1a0
[ 605.213688][T10964] ? __pfx_kobject_init_and_add+0x10/0x10
[ 605.213712][T10964] ? __raw_spin_lock_init+0x45/0x100
[ 605.213731][T10964] ? __init_swait_queue_head+0xa9/0x150
[ 605.213753][T10964] gfs2_sys_fs_add+0x257/0x480
[ 605.213773][T10964] ? is_dynamic_key+0x1ac/0x1c0
[ 605.213795][T10964] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 605.213822][T10964] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 605.213853][T10964] gfs2_fill_super+0x13a7/0x21d0
[ 605.213891][T10964] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.213912][T10964] ? sb_set_blocksize+0x155/0x240
[ 605.213937][T10964] ? setup_bdev_super+0x4c1/0x5b0
[ 605.213958][T10964] get_tree_bdev_flags+0x431/0x4f0
[ 605.213976][T10964] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.213992][T10964] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 605.214007][T10964] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 605.214033][T10964] gfs2_get_tree+0x51/0x1e0
[ 605.214053][T10964] vfs_get_tree+0x92/0x2a0
[ 605.214072][T10964] do_new_mount+0x341/0xd30
[ 605.214092][T10964] ? apparmor_capable+0x126/0x170
[ 605.214114][T10964] ? __pfx_do_new_mount+0x10/0x10
[ 605.214134][T10964] ? ns_capable+0x89/0xe0
[ 605.214166][T10964] ? user_path_at+0xd4/0x160
[ 605.214183][T10964] __se_sys_mount+0x31d/0x420
[ 605.214210][T10964] ? __pfx___se_sys_mount+0x10/0x10
[ 605.214237][T10964] ? __x64_sys_mount+0x20/0xc0
[ 605.214257][T10964] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.214274][T10964] do_syscall_64+0x15f/0xf80
[ 605.214293][T10964] ? trace_irq_disable+0x3b/0x140
[ 605.214312][T10964] ? clear_bhb_loop+0x40/0x90
[ 605.214332][T10964] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.214348][T10964] RIP: 0033:0x7f5fdf629a9a
[ 605.214364][T10964] 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
[ 605.214378][T10964] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 605.214396][T10964] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 605.214408][T10964] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 605.214419][T10964] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 605.214430][T10964] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 605.214441][T10964] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 605.214467][T10964]
[ 605.216041][T10964] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 605.443203][T10963] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 605.517282][T10967] loop2: detected capacity change from 0 to 32768
[ 605.555927][T10964] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 605.563660][T10967] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 605.571870][T10967] CPU: 0 UID: 0 PID: 10967 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 605.571893][T10967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 605.571904][T10967] Call Trace:
[ 605.571912][T10967]
[ 605.571919][T10967] dump_stack_lvl+0xe8/0x150
[ 605.571948][T10967] sysfs_create_dir_ns+0x271/0x2a0
[ 605.571973][T10967] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 605.571998][T10967] ? do_raw_spin_unlock+0xf5/0x210
[ 605.572021][T10967] kobject_add_internal+0x62b/0xd00
[ 605.572053][T10967] kobject_init_and_add+0x12b/0x1a0
[ 605.572081][T10967] ? __pfx_kobject_init_and_add+0x10/0x10
[ 605.572105][T10967] ? __raw_spin_lock_init+0x45/0x100
[ 605.572125][T10967] ? __init_swait_queue_head+0xa9/0x150
[ 605.572146][T10967] gfs2_sys_fs_add+0x257/0x480
[ 605.572166][T10967] ? is_dynamic_key+0x1ac/0x1c0
[ 605.572188][T10967] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 605.572216][T10967] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 605.572247][T10967] gfs2_fill_super+0x13a7/0x21d0
[ 605.572278][T10967] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.572299][T10967] ? sb_set_blocksize+0x155/0x240
[ 605.572323][T10967] ? setup_bdev_super+0x4c1/0x5b0
[ 605.572344][T10967] get_tree_bdev_flags+0x431/0x4f0
[ 605.572362][T10967] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.572378][T10967] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 605.572393][T10967] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 605.572420][T10967] gfs2_get_tree+0x51/0x1e0
[ 605.572439][T10967] vfs_get_tree+0x92/0x2a0
[ 605.572459][T10967] do_new_mount+0x341/0xd30
[ 605.572478][T10967] ? apparmor_capable+0x126/0x170
[ 605.572500][T10967] ? __pfx_do_new_mount+0x10/0x10
[ 605.572521][T10967] ? ns_capable+0x89/0xe0
[ 605.572552][T10967] ? user_path_at+0xd4/0x160
[ 605.572570][T10967] __se_sys_mount+0x31d/0x420
[ 605.572604][T10967] ? __pfx___se_sys_mount+0x10/0x10
[ 605.572635][T10967] ? __x64_sys_mount+0x20/0xc0
[ 605.572654][T10967] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.572672][T10967] do_syscall_64+0x15f/0xf80
[ 605.572691][T10967] ? trace_irq_disable+0x3b/0x140
[ 605.572710][T10967] ? clear_bhb_loop+0x40/0x90
[ 605.572730][T10967] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.572746][T10967] RIP: 0033:0x7f5fdf629a9a
[ 605.572762][T10967] 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
[ 605.572777][T10967] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 605.572794][T10967] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 605.572806][T10967] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 605.572818][T10967] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 605.572828][T10967] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
executing program
[ 605.572839][T10967] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 605.572864][T10967]
[ 605.573031][T10967] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 605.889437][T10967] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 606.175240][T10968] loop3: detected capacity change from 0 to 32768
[ 606.217253][T10968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 606.240482][T10968] CPU: 1 UID: 0 PID: 10968 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 606.240508][T10968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 606.240519][T10968] Call Trace:
[ 606.240527][T10968]
[ 606.240534][T10968] dump_stack_lvl+0xe8/0x150
[ 606.240562][T10968] sysfs_create_dir_ns+0x271/0x2a0
[ 606.240589][T10968] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 606.240613][T10968] ? do_raw_spin_unlock+0xf5/0x210
[ 606.240636][T10968] kobject_add_internal+0x62b/0xd00
[ 606.240667][T10968] kobject_init_and_add+0x12b/0x1a0
[ 606.240694][T10968] ? __pfx_kobject_init_and_add+0x10/0x10
[ 606.240718][T10968] ? __raw_spin_lock_init+0x45/0x100
[ 606.240737][T10968] ? __init_swait_queue_head+0xa9/0x150
[ 606.240759][T10968] gfs2_sys_fs_add+0x257/0x480
[ 606.240778][T10968] ? is_dynamic_key+0x1ac/0x1c0
[ 606.240801][T10968] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 606.240829][T10968] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 606.240860][T10968] gfs2_fill_super+0x13a7/0x21d0
[ 606.240900][T10968] ? __pfx_gfs2_fill_super+0x10/0x10
[ 606.240921][T10968] ? sb_set_blocksize+0x155/0x240
[ 606.240946][T10968] ? setup_bdev_super+0x4c1/0x5b0
[ 606.240967][T10968] get_tree_bdev_flags+0x431/0x4f0
[ 606.240985][T10968] ? __pfx_gfs2_fill_super+0x10/0x10
[ 606.241000][T10968] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 606.241016][T10968] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 606.241043][T10968] gfs2_get_tree+0x51/0x1e0
[ 606.241063][T10968] vfs_get_tree+0x92/0x2a0
[ 606.241083][T10968] do_new_mount+0x341/0xd30
[ 606.241103][T10968] ? apparmor_capable+0x126/0x170
[ 606.241124][T10968] ? __pfx_do_new_mount+0x10/0x10
[ 606.241144][T10968] ? ns_capable+0x89/0xe0
[ 606.241176][T10968] ? user_path_at+0xd4/0x160
[ 606.241194][T10968] __se_sys_mount+0x31d/0x420
executing program
[ 606.241220][T10968] ? __pfx___se_sys_mount+0x10/0x10
[ 606.241246][T10968] ? __x64_sys_mount+0x20/0xc0
[ 606.241266][T10968] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.241284][T10968] do_syscall_64+0x15f/0xf80
[ 606.241304][T10968] ? trace_irq_disable+0x3b/0x140
[ 606.241323][T10968] ? clear_bhb_loop+0x40/0x90
[ 606.241342][T10968] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.241358][T10968] RIP: 0033:0x7f5fdf629a9a
[ 606.241374][T10968] 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
[ 606.241387][T10968] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 606.241406][T10968] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 606.241418][T10968] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 606.241430][T10968] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 606.241441][T10968] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 606.241451][T10968] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 606.241478][T10968]
[ 606.241501][T10968] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 606.865883][T10968] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 606.954460][T10977] loop4: detected capacity change from 0 to 32768
[ 606.990128][T10977] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 607.021492][T10977] CPU: 1 UID: 0 PID: 10977 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 607.021517][T10977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 607.021527][T10977] Call Trace:
[ 607.021535][T10977]
[ 607.021542][T10977] dump_stack_lvl+0xe8/0x150
[ 607.021580][T10977] sysfs_create_dir_ns+0x271/0x2a0
[ 607.021607][T10977] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 607.021631][T10977] ? do_raw_spin_unlock+0xf5/0x210
[ 607.021654][T10977] kobject_add_internal+0x62b/0xd00
[ 607.021687][T10977] kobject_init_and_add+0x12b/0x1a0
[ 607.021714][T10977] ? __pfx_kobject_init_and_add+0x10/0x10
[ 607.021738][T10977] ? __raw_spin_lock_init+0x45/0x100
[ 607.021757][T10977] ? __init_swait_queue_head+0xa9/0x150
[ 607.021780][T10977] gfs2_sys_fs_add+0x257/0x480
[ 607.021799][T10977] ? is_dynamic_key+0x1ac/0x1c0
[ 607.021821][T10977] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 607.021848][T10977] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 607.021879][T10977] gfs2_fill_super+0x13a7/0x21d0
[ 607.021911][T10977] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.021931][T10977] ? sb_set_blocksize+0x155/0x240
[ 607.021956][T10977] ? setup_bdev_super+0x4c1/0x5b0
[ 607.021976][T10977] get_tree_bdev_flags+0x431/0x4f0
[ 607.021994][T10977] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.022010][T10977] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 607.022026][T10977] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 607.022053][T10977] gfs2_get_tree+0x51/0x1e0
[ 607.022073][T10977] vfs_get_tree+0x92/0x2a0
[ 607.022096][T10977] do_new_mount+0x341/0xd30
[ 607.022115][T10977] ? apparmor_capable+0x126/0x170
[ 607.022135][T10977] ? __pfx_do_new_mount+0x10/0x10
[ 607.022153][T10977] ? ns_capable+0x89/0xe0
[ 607.022183][T10977] ? user_path_at+0xd4/0x160
[ 607.022201][T10977] __se_sys_mount+0x31d/0x420
[ 607.022268][T10977] ? __pfx___se_sys_mount+0x10/0x10
[ 607.022295][T10977] ? __x64_sys_mount+0x20/0xc0
[ 607.022314][T10977] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.022332][T10977] do_syscall_64+0x15f/0xf80
[ 607.022352][T10977] ? trace_irq_disable+0x3b/0x140
[ 607.022372][T10977] ? clear_bhb_loop+0x40/0x90
[ 607.022392][T10977] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.022408][T10977] RIP: 0033:0x7f5fdf629a9a
[ 607.022424][T10977] 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
[ 607.022438][T10977] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 607.022456][T10977] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 607.022468][T10977] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 607.022480][T10977] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 607.022491][T10977] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 607.022502][T10977] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 607.022528][T10977]
executing program
[ 607.146947][T10977] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 607.174038][T10976] loop2: detected capacity change from 0 to 32768
[ 607.216442][T10977] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 607.487746][T10976] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 607.495858][T10976] CPU: 1 UID: 0 PID: 10976 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 607.495882][T10976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 607.495893][T10976] Call Trace:
[ 607.495901][T10976]
[ 607.495908][T10976] dump_stack_lvl+0xe8/0x150
[ 607.495937][T10976] sysfs_create_dir_ns+0x271/0x2a0
[ 607.495963][T10976] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 607.495987][T10976] ? do_raw_spin_unlock+0xf5/0x210
[ 607.496011][T10976] kobject_add_internal+0x62b/0xd00
[ 607.496042][T10976] kobject_init_and_add+0x12b/0x1a0
[ 607.496070][T10976] ? __pfx_kobject_init_and_add+0x10/0x10
[ 607.496093][T10976] ? __raw_spin_lock_init+0x45/0x100
[ 607.496113][T10976] ? __init_swait_queue_head+0xa9/0x150
[ 607.496136][T10976] gfs2_sys_fs_add+0x257/0x480
[ 607.496156][T10976] ? is_dynamic_key+0x1ac/0x1c0
[ 607.496177][T10976] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 607.496205][T10976] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 607.496237][T10976] gfs2_fill_super+0x13a7/0x21d0
[ 607.496268][T10976] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.496289][T10976] ? sb_set_blocksize+0x155/0x240
[ 607.496313][T10976] ? setup_bdev_super+0x4c1/0x5b0
[ 607.496333][T10976] get_tree_bdev_flags+0x431/0x4f0
[ 607.496351][T10976] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.496367][T10976] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 607.496383][T10976] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 607.496410][T10976] gfs2_get_tree+0x51/0x1e0
[ 607.496429][T10976] vfs_get_tree+0x92/0x2a0
[ 607.496449][T10976] do_new_mount+0x341/0xd30
[ 607.496468][T10976] ? apparmor_capable+0x126/0x170
[ 607.496490][T10976] ? __pfx_do_new_mount+0x10/0x10
[ 607.496510][T10976] ? ns_capable+0x89/0xe0
[ 607.496549][T10976] ? user_path_at+0xd4/0x160
[ 607.496567][T10976] __se_sys_mount+0x31d/0x420
[ 607.496594][T10976] ? __pfx___se_sys_mount+0x10/0x10
[ 607.496621][T10976] ? __x64_sys_mount+0x20/0xc0
[ 607.496640][T10976] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.496658][T10976] do_syscall_64+0x15f/0xf80
[ 607.496678][T10976] ? trace_irq_disable+0x3b/0x140
[ 607.496697][T10976] ? clear_bhb_loop+0x40/0x90
[ 607.496717][T10976] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.496733][T10976] RIP: 0033:0x7f5fdf629a9a
[ 607.496749][T10976] 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
[ 607.496762][T10976] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 607.496781][T10976] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 607.496793][T10976] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 607.496805][T10976] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 607.496816][T10976] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 607.496826][T10976] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 607.496856][T10976]
[ 607.563682][T10980] loop1: detected capacity change from 0 to 32768
[ 607.619235][T10976] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 607.822329][T10976] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 607.892074][T10980] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 607.931332][T10980] CPU: 0 UID: 0 PID: 10980 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 607.931357][T10980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 607.931368][T10980] Call Trace:
[ 607.931376][T10980]
[ 607.931384][T10980] dump_stack_lvl+0xe8/0x150
[ 607.931413][T10980] sysfs_create_dir_ns+0x271/0x2a0
[ 607.931439][T10980] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 607.931463][T10980] ? do_raw_spin_unlock+0xf5/0x210
[ 607.931484][T10980] kobject_add_internal+0x62b/0xd00
[ 607.931517][T10980] kobject_init_and_add+0x12b/0x1a0
[ 607.931544][T10980] ? __pfx_kobject_init_and_add+0x10/0x10
[ 607.931568][T10980] ? __raw_spin_lock_init+0x45/0x100
[ 607.931587][T10980] ? __init_swait_queue_head+0xa9/0x150
[ 607.931610][T10980] gfs2_sys_fs_add+0x257/0x480
[ 607.931630][T10980] ? is_dynamic_key+0x1ac/0x1c0
[ 607.931652][T10980] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 607.931679][T10980] ? __pfx_alloc_workqueue_noprof+0x10/0x10
executing program
[ 607.931709][T10980] gfs2_fill_super+0x13a7/0x21d0
[ 607.931748][T10980] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.931768][T10980] ? sb_set_blocksize+0x155/0x240
[ 607.931792][T10980] ? setup_bdev_super+0x4c1/0x5b0
[ 607.931814][T10980] get_tree_bdev_flags+0x431/0x4f0
[ 607.931832][T10980] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.931848][T10980] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 607.931864][T10980] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 607.931892][T10980] gfs2_get_tree+0x51/0x1e0
[ 607.931912][T10980] vfs_get_tree+0x92/0x2a0
[ 607.931932][T10980] do_new_mount+0x341/0xd30
[ 607.931952][T10980] ? apparmor_capable+0x126/0x170
[ 607.931974][T10980] ? __pfx_do_new_mount+0x10/0x10
[ 607.931995][T10980] ? ns_capable+0x89/0xe0
[ 607.932026][T10980] ? user_path_at+0xd4/0x160
[ 607.932044][T10980] __se_sys_mount+0x31d/0x420
[ 607.932070][T10980] ? __pfx___se_sys_mount+0x10/0x10
[ 607.932096][T10980] ? __x64_sys_mount+0x20/0xc0
[ 607.932116][T10980] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.932134][T10980] do_syscall_64+0x15f/0xf80
[ 607.932154][T10980] ? trace_irq_disable+0x3b/0x140
[ 607.932172][T10980] ? clear_bhb_loop+0x40/0x90
[ 607.932192][T10980] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.932209][T10980] RIP: 0033:0x7f5fdf629a9a
[ 607.932224][T10980] 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
[ 607.932238][T10980] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
executing program
[ 607.932256][T10980] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 607.932269][T10980] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 607.932280][T10980] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 607.932291][T10980] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 607.932302][T10980] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 607.932329][T10980]
[ 607.932352][T10980] 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
[ 608.267164][T10980] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 608.844065][T10984] loop3: detected capacity change from 0 to 32768
[ 608.879828][T10984] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 608.908646][T10984] CPU: 1 UID: 0 PID: 10984 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 608.908671][T10984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 608.908682][T10984] Call Trace:
[ 608.908689][T10984]
[ 608.908696][T10984] dump_stack_lvl+0xe8/0x150
[ 608.908726][T10984] sysfs_create_dir_ns+0x271/0x2a0
[ 608.908751][T10984] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 608.908775][T10984] ? do_raw_spin_unlock+0xf5/0x210
[ 608.908798][T10984] kobject_add_internal+0x62b/0xd00
[ 608.908830][T10984] kobject_init_and_add+0x12b/0x1a0
[ 608.908858][T10984] ? __pfx_kobject_init_and_add+0x10/0x10
[ 608.908881][T10984] ? __raw_spin_lock_init+0x45/0x100
[ 608.908901][T10984] ? __init_swait_queue_head+0xa9/0x150
[ 608.908922][T10984] gfs2_sys_fs_add+0x257/0x480
[ 608.908942][T10984] ? is_dynamic_key+0x1ac/0x1c0
[ 608.908964][T10984] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 608.908992][T10984] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 608.909024][T10984] gfs2_fill_super+0x13a7/0x21d0
[ 608.909056][T10984] ? __pfx_gfs2_fill_super+0x10/0x10
[ 608.909076][T10984] ? sb_set_blocksize+0x155/0x240
[ 608.909101][T10984] ? setup_bdev_super+0x4c1/0x5b0
[ 608.909121][T10984] get_tree_bdev_flags+0x431/0x4f0
[ 608.909140][T10984] ? __pfx_gfs2_fill_super+0x10/0x10
[ 608.909155][T10984] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 608.909171][T10984] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 608.909197][T10984] gfs2_get_tree+0x51/0x1e0
[ 608.909225][T10984] vfs_get_tree+0x92/0x2a0
[ 608.909245][T10984] do_new_mount+0x341/0xd30
[ 608.909265][T10984] ? apparmor_capable+0x126/0x170
[ 608.909286][T10984] ? __pfx_do_new_mount+0x10/0x10
[ 608.909315][T10984] ? ns_capable+0x89/0xe0
[ 608.909345][T10984] ? user_path_at+0xd4/0x160
[ 608.909364][T10984] __se_sys_mount+0x31d/0x420
[ 608.909391][T10984] ? __pfx___se_sys_mount+0x10/0x10
[ 608.909417][T10984] ? __x64_sys_mount+0x20/0xc0
[ 608.909436][T10984] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.909453][T10984] do_syscall_64+0x15f/0xf80
[ 608.909473][T10984] ? trace_irq_disable+0x3b/0x140
[ 608.909492][T10984] ? clear_bhb_loop+0x40/0x90
[ 608.909511][T10984] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.909532][T10984] RIP: 0033:0x7f5fdf629a9a
[ 608.909548][T10984] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 f4 2f 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 608.909561][T10984] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 608.909579][T10984] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 608.909591][T10984] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 608.909603][T10984] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 608.909613][T10984] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 608.909624][T10984] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 608.909650][T10984]
[ 608.913181][T10984] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 609.299537][T10992] loop1: detected capacity change from 0 to 32768
[ 609.307269][T10984] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 609.340118][T10992] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 609.360531][T10992] CPU: 1 UID: 0 PID: 10992 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 609.360555][T10992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 609.360565][T10992] Call Trace:
[ 609.360573][T10992]
[ 609.360580][T10992] dump_stack_lvl+0xe8/0x150
[ 609.360609][T10992] sysfs_create_dir_ns+0x271/0x2a0
[ 609.360635][T10992] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 609.360658][T10992] ? do_raw_spin_unlock+0xf5/0x210
[ 609.360682][T10992] kobject_add_internal+0x62b/0xd00
[ 609.360714][T10992] kobject_init_and_add+0x12b/0x1a0
[ 609.360740][T10992] ? __pfx_kobject_init_and_add+0x10/0x10
[ 609.360764][T10992] ? __raw_spin_lock_init+0x45/0x100
[ 609.360782][T10992] ? __init_swait_queue_head+0xa9/0x150
[ 609.360804][T10992] gfs2_sys_fs_add+0x257/0x480
[ 609.360824][T10992] ? is_dynamic_key+0x1ac/0x1c0
[ 609.360846][T10992] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 609.360875][T10992] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 609.360905][T10992] gfs2_fill_super+0x13a7/0x21d0
[ 609.360934][T10992] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.360953][T10992] ? sb_set_blocksize+0x155/0x240
[ 609.360978][T10992] ? setup_bdev_super+0x4c1/0x5b0
[ 609.360999][T10992] get_tree_bdev_flags+0x431/0x4f0
[ 609.361017][T10992] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.361033][T10992] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 609.361049][T10992] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 609.361075][T10992] gfs2_get_tree+0x51/0x1e0
[ 609.361095][T10992] vfs_get_tree+0x92/0x2a0
[ 609.361114][T10992] do_new_mount+0x341/0xd30
[ 609.361133][T10992] ? apparmor_capable+0x126/0x170
[ 609.361155][T10992] ? __pfx_do_new_mount+0x10/0x10
[ 609.361176][T10992] ? ns_capable+0x89/0xe0
[ 609.361206][T10992] ? user_path_at+0xd4/0x160
[ 609.361224][T10992] __se_sys_mount+0x31d/0x420
[ 609.361251][T10992] ? __pfx___se_sys_mount+0x10/0x10
[ 609.361278][T10992] ? __x64_sys_mount+0x20/0xc0
[ 609.361306][T10992] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.361323][T10992] do_syscall_64+0x15f/0xf80
[ 609.361388][T10992] ? trace_irq_disable+0x3b/0x140
[ 609.361408][T10992] ? clear_bhb_loop+0x40/0x90
[ 609.361428][T10992] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.361444][T10992] RIP: 0033:0x7f5fdf629a9a
[ 609.361460][T10992] 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
[ 609.361474][T10992] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 609.361492][T10992] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 609.361505][T10992] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 609.361516][T10992] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 609.361527][T10992] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 609.361538][T10992] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 609.361564][T10992]
[ 609.361588][T10992] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 609.439684][T10989] loop4: detected capacity change from 0 to 32768
[ 609.443070][T10992] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 609.507316][T10991] loop2: detected capacity change from 0 to 32768
executing program
[ 609.691344][T10989] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 609.713049][T10989] CPU: 1 UID: 0 PID: 10989 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 609.713076][T10989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 609.713086][T10989] Call Trace:
[ 609.713094][T10989]
[ 609.713101][T10989] dump_stack_lvl+0xe8/0x150
[ 609.713130][T10989] sysfs_create_dir_ns+0x271/0x2a0
[ 609.713156][T10989] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 609.713180][T10989] ? do_raw_spin_unlock+0xf5/0x210
[ 609.713204][T10989] kobject_add_internal+0x62b/0xd00
[ 609.713235][T10989] kobject_init_and_add+0x12b/0x1a0
[ 609.713402][T10989] ? __pfx_kobject_init_and_add+0x10/0x10
[ 609.713426][T10989] ? __raw_spin_lock_init+0x45/0x100
[ 609.713446][T10989] ? __init_swait_queue_head+0xa9/0x150
[ 609.713468][T10989] gfs2_sys_fs_add+0x257/0x480
[ 609.713487][T10989] ? is_dynamic_key+0x1ac/0x1c0
[ 609.713508][T10989] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 609.713536][T10989] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 609.713568][T10989] gfs2_fill_super+0x13a7/0x21d0
[ 609.713598][T10989] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.713619][T10989] ? sb_set_blocksize+0x155/0x240
[ 609.713644][T10989] ? setup_bdev_super+0x4c1/0x5b0
[ 609.713664][T10989] get_tree_bdev_flags+0x431/0x4f0
[ 609.713682][T10989] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.713697][T10989] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 609.713713][T10989] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 609.713740][T10989] gfs2_get_tree+0x51/0x1e0
[ 609.713759][T10989] vfs_get_tree+0x92/0x2a0
[ 609.713779][T10989] do_new_mount+0x341/0xd30
[ 609.713808][T10989] ? apparmor_capable+0x126/0x170
[ 609.713830][T10989] ? __pfx_do_new_mount+0x10/0x10
[ 609.713850][T10989] ? ns_capable+0x89/0xe0
[ 609.713881][T10989] ? user_path_at+0xd4/0x160
[ 609.713899][T10989] __se_sys_mount+0x31d/0x420
[ 609.713925][T10989] ? __pfx___se_sys_mount+0x10/0x10
[ 609.713952][T10989] ? __x64_sys_mount+0x20/0xc0
[ 609.713971][T10989] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.713989][T10989] do_syscall_64+0x15f/0xf80
[ 609.714008][T10989] ? trace_irq_disable+0x3b/0x140
[ 609.714027][T10989] ? clear_bhb_loop+0x40/0x90
[ 609.714047][T10989] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.714063][T10989] RIP: 0033:0x7f5fdf629a9a
[ 609.714079][T10989] 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
[ 609.714092][T10989] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 609.714111][T10989] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 609.714123][T10989] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 609.714134][T10989] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 609.714145][T10989] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 609.714156][T10989] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 609.714182][T10989]
[ 609.714207][T10989] 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
[ 610.210325][T10991] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 610.219993][T10991] CPU: 0 UID: 0 PID: 10991 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 610.220019][T10991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 610.220030][T10991] Call Trace:
[ 610.220037][T10991]
[ 610.220045][T10991] dump_stack_lvl+0xe8/0x150
[ 610.220075][T10991] sysfs_create_dir_ns+0x271/0x2a0
[ 610.220102][T10991] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 610.220126][T10991] ? do_raw_spin_unlock+0xf5/0x210
[ 610.220149][T10991] kobject_add_internal+0x62b/0xd00
[ 610.220181][T10991] kobject_init_and_add+0x12b/0x1a0
[ 610.220208][T10991] ? __pfx_kobject_init_and_add+0x10/0x10
[ 610.220232][T10991] ? __raw_spin_lock_init+0x45/0x100
[ 610.220252][T10991] ? __init_swait_queue_head+0xa9/0x150
[ 610.220274][T10991] gfs2_sys_fs_add+0x257/0x480
[ 610.220292][T10991] ? is_dynamic_key+0x1ac/0x1c0
[ 610.220315][T10991] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 610.220342][T10991] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 610.220374][T10991] gfs2_fill_super+0x13a7/0x21d0
[ 610.220406][T10991] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.220431][T10991] ? sb_set_blocksize+0x155/0x240
[ 610.220457][T10991] ? setup_bdev_super+0x4c1/0x5b0
[ 610.220478][T10991] get_tree_bdev_flags+0x431/0x4f0
[ 610.220496][T10991] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.220511][T10991] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 610.220527][T10991] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 610.220561][T10991] gfs2_get_tree+0x51/0x1e0
[ 610.220581][T10991] vfs_get_tree+0x92/0x2a0
[ 610.220601][T10991] do_new_mount+0x341/0xd30
[ 610.220621][T10991] ? apparmor_capable+0x126/0x170
[ 610.220642][T10991] ? __pfx_do_new_mount+0x10/0x10
[ 610.220663][T10991] ? ns_capable+0x89/0xe0
[ 610.220694][T10991] ? user_path_at+0xd4/0x160
[ 610.220713][T10991] __se_sys_mount+0x31d/0x420
[ 610.220739][T10991] ? __pfx___se_sys_mount+0x10/0x10
[ 610.220766][T10991] ? __x64_sys_mount+0x20/0xc0
[ 610.220785][T10991] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.220804][T10991] do_syscall_64+0x15f/0xf80
[ 610.220823][T10991] ? trace_irq_disable+0x3b/0x140
[ 610.220842][T10991] ? clear_bhb_loop+0x40/0x90
[ 610.220862][T10991] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.220879][T10991] RIP: 0033:0x7f5fdf629a9a
[ 610.220895][T10991] 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
[ 610.220910][T10991] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 610.220929][T10991] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 610.220941][T10991] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 610.220953][T10991] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 610.220964][T10991] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 610.220974][T10991] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 610.221001][T10991]
[ 610.221044][T10991] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 610.470305][T10998] loop3: detected capacity change from 0 to 32768
[ 610.645205][T10998] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 610.688251][T10989] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 610.695991][T10991] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 610.699659][T10998] CPU: 0 UID: 0 PID: 10998 Comm: syz-executor390 Not tainted syzkaller #0 PREEMPT(full)
[ 610.699684][T10998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 610.699694][T10998] Call Trace:
[ 610.699701][T10998]
[ 610.699708][T10998] dump_stack_lvl+0xe8/0x150
[ 610.699738][T10998] sysfs_create_dir_ns+0x271/0x2a0
[ 610.699762][T10998] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 610.699785][T10998] ? do_raw_spin_unlock+0xf5/0x210
[ 610.699808][T10998] kobject_add_internal+0x62b/0xd00
[ 610.699839][T10998] kobject_init_and_add+0x12b/0x1a0
[ 610.699865][T10998] ? __pfx_kobject_init_and_add+0x10/0x10
[ 610.699887][T10998] ? __raw_spin_lock_init+0x45/0x100
[ 610.699906][T10998] ? __init_swait_queue_head+0xa9/0x150
[ 610.699927][T10998] gfs2_sys_fs_add+0x257/0x480
[ 610.699946][T10998] ? is_dynamic_key+0x1ac/0x1c0
[ 610.699967][T10998] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 610.699993][T10998] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 610.700024][T10998] gfs2_fill_super+0x13a7/0x21d0
[ 610.700055][T10998] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.700073][T10998] ? sb_set_blocksize+0x155/0x240
[ 610.700097][T10998] ? setup_bdev_super+0x4c1/0x5b0
[ 610.700117][T10998] get_tree_bdev_flags+0x431/0x4f0
[ 610.700135][T10998] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.700150][T10998] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 610.700164][T10998] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 610.700189][T10998] gfs2_get_tree+0x51/0x1e0
[ 610.700208][T10998] vfs_get_tree+0x92/0x2a0
[ 610.700226][T10998] do_new_mount+0x341/0xd30
[ 610.700245][T10998] ? apparmor_capable+0x126/0x170
[ 610.700271][T10998] ? __pfx_do_new_mount+0x10/0x10
[ 610.700291][T10998] ? ns_capable+0x89/0xe0
[ 610.700320][T10998] ? user_path_at+0xd4/0x160
[ 610.700337][T10998] __se_sys_mount+0x31d/0x420
[ 610.700363][T10998] ? __pfx___se_sys_mount+0x10/0x10
[ 610.700387][T10998] ? __x64_sys_mount+0x20/0xc0
[ 610.700406][T10998] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.700423][T10998] do_syscall_64+0x15f/0xf80
[ 610.700442][T10998] ? trace_irq_disable+0x3b/0x140
[ 610.700460][T10998] ? clear_bhb_loop+0x40/0x90
[ 610.700479][T10998] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.700494][T10998] RIP: 0033:0x7f5fdf629a9a
[ 610.700509][T10998] 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
[ 610.700522][T10998] RSP: 002b:00007fffc726d658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 610.700540][T10998] RAX: ffffffffffffffda RBX: 00007fffc726d670 RCX: 00007f5fdf629a9a
[ 610.700551][T10998] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fffc726d670
[ 610.700562][T10998] RBP: 0000200000012500 R08: 00007fffc726d6b0 R09: 0000000000000000
[ 610.700573][T10998] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000124c0
[ 610.700582][T10998] R13: 00007fffc726d6b0 R14: 0000000000000003 R15: 0000000000000000
[ 610.700608][T10998]
[ 610.700630][T10998] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 610.902602][T11000] loop1: detected capacity change from 0 to 32768
executing program