ffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  279.836046][ T6474] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  279.836061][ T6474] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  279.836076][ T6474] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  279.836090][ T6474] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  279.836123][ T6474]  </TASK>
[  280.124758][ T6474] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.139100][ T6474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.534004][ T6477] loop1: detected capacity change from 0 to 32768
[  280.544099][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.552073][ T6477] CPU: 0 UID: 0 PID: 6477 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  280.552101][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  280.552115][ T6477] Call Trace:
[  280.552125][ T6477]  <TASK>
[  280.552134][ T6477]  dump_stack_lvl+0xe8/0x150
[  280.552175][ T6477]  sysfs_create_dir_ns+0x271/0x2a0
[  280.552209][ T6477]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.552241][ T6477]  ? do_raw_spin_unlock+0xf5/0x210
[  280.552273][ T6477]  kobject_add_internal+0x62b/0xd00
[  280.552316][ T6477]  kobject_init_and_add+0x12b/0x1a0
[  280.552356][ T6477]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.552391][ T6477]  ? __raw_spin_lock_init+0x45/0x100
[  280.552420][ T6477]  ? __init_swait_queue_head+0xa9/0x150
[  280.552450][ T6477]  gfs2_sys_fs_add+0x257/0x480
[  280.552484][ T6477]  ? is_dynamic_key+0x1ac/0x1c0
[  280.552517][ T6477]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.552560][ T6477]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.552601][ T6477]  gfs2_fill_super+0x13a7/0x21d0
[  280.552646][ T6477]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.552679][ T6477]  ? sb_set_blocksize+0x155/0x240
[  280.552718][ T6477]  ? setup_bdev_super+0x4c1/0x5b0
[  280.552744][ T6477]  get_tree_bdev_flags+0x431/0x4f0
[  280.552769][ T6477]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.552795][ T6477]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.552816][ T6477]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.552849][ T6477]  gfs2_get_tree+0x51/0x1e0
[  280.552880][ T6477]  vfs_get_tree+0x92/0x2a0
[  280.552904][ T6477]  do_new_mount+0x341/0xd30
[  280.552931][ T6477]  ? apparmor_capable+0x126/0x170
[  280.552965][ T6477]  ? __pfx_do_new_mount+0x10/0x10
[  280.552994][ T6477]  ? ns_capable+0x89/0xe0
[  280.553038][ T6477]  ? user_path_at+0xd4/0x160
[  280.553078][ T6477]  __se_sys_mount+0x31d/0x420
[  280.553114][ T6477]  ? __pfx___se_sys_mount+0x10/0x10
[  280.553151][ T6477]  ? __x64_sys_mount+0x20/0xc0
[  280.553179][ T6477]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.553203][ T6477]  do_syscall_64+0x15f/0xf80
[  280.553231][ T6477]  ? trace_irq_disable+0x3b/0x140
[  280.553259][ T6477]  ? clear_bhb_loop+0x40/0x90
[  280.553285][ T6477]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.553307][ T6477] RIP: 0033:0x7f422819da0a
[  280.553328][ T6477] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.553348][ T6477] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.553371][ T6477] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  280.553388][ T6477] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  280.553404][ T6477] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  280.553419][ T6477] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  280.553433][ T6477] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  280.553469][ T6477]  </TASK>
[  280.553528][ T6477] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.858122][ T6477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.254193][ T6480] loop1: detected capacity change from 0 to 32768
[  281.264682][ T6480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.272599][ T6480] CPU: 1 UID: 0 PID: 6480 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) 
[  281.272628][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  281.272641][ T6480] Call Trace:
[  281.272651][ T6480]  <TASK>
[  281.272660][ T6480]  dump_stack_lvl+0xe8/0x150
[  281.272699][ T6480]  sysfs_create_dir_ns+0x271/0x2a0
[  281.272733][ T6480]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.272765][ T6480]  ? do_raw_spin_unlock+0xf5/0x210
[  281.272797][ T6480]  kobject_add_internal+0x62b/0xd00
[  281.272838][ T6480]  kobject_init_and_add+0x12b/0x1a0
[  281.272877][ T6480]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.272912][ T6480]  ? __raw_spin_lock_init+0x45/0x100
[  281.272941][ T6480]  ? __init_swait_queue_head+0xa9/0x150
[  281.272971][ T6480]  gfs2_sys_fs_add+0x257/0x480
[  281.273004][ T6480]  ? is_dynamic_key+0x1ac/0x1c0
[  281.273036][ T6480]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.273079][ T6480]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.273120][ T6480]  gfs2_fill_super+0x13a7/0x21d0
[  281.273164][ T6480]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.273197][ T6480]  ? sb_set_blocksize+0x155/0x240
[  281.273226][ T6480]  ? setup_bdev_super+0x4c1/0x5b0
[  281.273252][ T6480]  get_tree_bdev_flags+0x431/0x4f0
[  281.273276][ T6480]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.273303][ T6480]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.273323][ T6480]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.273356][ T6480]  gfs2_get_tree+0x51/0x1e0
[  281.273387][ T6480]  vfs_get_tree+0x92/0x2a0
[  281.273424][ T6480]  do_new_mount+0x341/0xd30
[  281.273450][ T6480]  ? apparmor_capable+0x126/0x170
[  281.273483][ T6480]  ? __pfx_do_new_mount+0x10/0x10
[  281.273511][ T6480]  ? ns_capable+0x89/0xe0
[  281.273555][ T6480]  ? user_path_at+0xd4/0x160
[  281.273589][ T6480]  __se_sys_mount+0x31d/0x420
[  281.273629][ T6480]  ? __pfx___se_sys_mount+0x10/0x10
[  281.273667][ T6480]  ? __x64_sys_mount+0x20/0xc0
[  281.273694][ T6480]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.273718][ T6480]  do_syscall_64+0x15f/0xf80
[  281.273745][ T6480]  ? trace_irq_disable+0x3b/0x140
[  281.273773][ T6480]  ? clear_bhb_loop+0x40/0x90
[  281.273800][ T6480]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.273821][ T6480] RIP: 0033:0x7f422819da0a
[  281.273843][ T6480] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  281.273861][ T6480] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.273884][ T6480] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  281.273901][ T6480] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  281.273917][ T6480] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  281.273932][ T6480] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  281.273946][ T6480] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  281.273981][ T6480]  </TASK>
[  281.274053][ T6480] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.582552][ T6480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.992883][ T6483] loop1: detected capacity change from 0 to 32768
[  282.007231][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.015137][ T6483] CPU: 0 UID: 0 PID: 6483 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) 
[  282.015167][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  282.015181][ T6483] Call Trace:
[  282.015191][ T6483]  <TASK>
[  282.015200][ T6483]  dump_stack_lvl+0xe8/0x150
[  282.015240][ T6483]  sysfs_create_dir_ns+0x271/0x2a0
[  282.015274][ T6483]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.015304][ T6483]  ? do_raw_spin_unlock+0xf5/0x210
[  282.015344][ T6483]  kobject_add_internal+0x62b/0xd00
[  282.015400][ T6483]  kobject_init_and_add+0x12b/0x1a0
[  282.015439][ T6483]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.015475][ T6483]  ? __raw_spin_lock_init+0x45/0x100
[  282.015504][ T6483]  ? __init_swait_queue_head+0xa9/0x150
[  282.015536][ T6483]  gfs2_sys_fs_add+0x257/0x480
[  282.015570][ T6483]  ? is_dynamic_key+0x1ac/0x1c0
[  282.015604][ T6483]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.015643][ T6483]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.015683][ T6483]  gfs2_fill_super+0x13a7/0x21d0
[  282.015726][ T6483]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.015759][ T6483]  ? sb_set_blocksize+0x155/0x240
[  282.015791][ T6483]  ? setup_bdev_super+0x4c1/0x5b0
[  282.015817][ T6483]  get_tree_bdev_flags+0x431/0x4f0
[  282.015840][ T6483]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.015867][ T6483]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.015888][ T6483]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.015921][ T6483]  gfs2_get_tree+0x51/0x1e0
[  282.015952][ T6483]  vfs_get_tree+0x92/0x2a0
[  282.015978][ T6483]  do_new_mount+0x341/0xd30
[  282.016004][ T6483]  ? apparmor_capable+0x126/0x170
[  282.016037][ T6483]  ? __pfx_do_new_mount+0x10/0x10
[  282.016066][ T6483]  ? ns_capable+0x89/0xe0
[  282.016111][ T6483]  ? user_path_at+0xd4/0x160
[  282.016147][ T6483]  __se_sys_mount+0x31d/0x420
[  282.016182][ T6483]  ? __pfx___se_sys_mount+0x10/0x10
[  282.016240][ T6483]  ? __x64_sys_mount+0x20/0xc0
[  282.016268][ T6483]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.016293][ T6483]  do_syscall_64+0x15f/0xf80
[  282.016322][ T6483]  ? trace_irq_disable+0x3b/0x140
[  282.016351][ T6483]  ? clear_bhb_loop+0x40/0x90
[  282.016385][ T6483]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.016407][ T6483] RIP: 0033:0x7f422819da0a
[  282.016430][ T6483] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  282.016449][ T6483] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.016472][ T6483] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  282.016489][ T6483] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  282.016505][ T6483] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  282.016521][ T6483] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  282.016536][ T6483] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  282.016571][ T6483]  </TASK>
[  282.313266][ T6483] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.327520][ T6483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.704167][ T6486] loop1: detected capacity change from 0 to 32768
[  282.716853][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.724651][ T6486] CPU: 1 UID: 0 PID: 6486 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) 
[  282.724681][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  282.724696][ T6486] Call Trace:
[  282.724705][ T6486]  <TASK>
[  282.724715][ T6486]  dump_stack_lvl+0xe8/0x150
[  282.724753][ T6486]  sysfs_create_dir_ns+0x271/0x2a0
[  282.724787][ T6486]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.724820][ T6486]  ? do_raw_spin_unlock+0xf5/0x210
[  282.724852][ T6486]  kobject_add_internal+0x62b/0xd00
[  282.724895][ T6486]  kobject_init_and_add+0x12b/0x1a0
[  282.724933][ T6486]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.724967][ T6486]  ? __raw_spin_lock_init+0x45/0x100
[  282.724996][ T6486]  ? __init_swait_queue_head+0xa9/0x150
[  282.725027][ T6486]  gfs2_sys_fs_add+0x257/0x480
[  282.725059][ T6486]  ? is_dynamic_key+0x1ac/0x1c0
[  282.725092][ T6486]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.725135][ T6486]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.725177][ T6486]  gfs2_fill_super+0x13a7/0x21d0
[  282.725220][ T6486]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.725253][ T6486]  ? sb_set_blocksize+0x155/0x240
[  282.725281][ T6486]  ? setup_bdev_super+0x4c1/0x5b0
[  282.725309][ T6486]  get_tree_bdev_flags+0x431/0x4f0
[  282.725362][ T6486]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.725389][ T6486]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.725409][ T6486]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.725442][ T6486]  gfs2_get_tree+0x51/0x1e0
[  282.725473][ T6486]  vfs_get_tree+0x92/0x2a0
[  282.725497][ T6486]  do_new_mount+0x341/0xd30
[  282.725524][ T6486]  ? apparmor_capable+0x126/0x170
[  282.725556][ T6486]  ? __pfx_do_new_mount+0x10/0x10
[  282.725584][ T6486]  ? ns_capable+0x89/0xe0
[  282.725628][ T6486]  ? user_path_at+0xd4/0x160
[  282.725663][ T6486]  __se_sys_mount+0x31d/0x420
[  282.725698][ T6486]  ? __pfx___se_sys_mount+0x10/0x10
[  282.725734][ T6486]  ? __x64_sys_mount+0x20/0xc0
[  282.725763][ T6486]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.725792][ T6486]  do_syscall_64+0x15f/0xf80
[  282.725820][ T6486]  ? trace_irq_disable+0x3b/0x140
[  282.725848][ T6486]  ? clear_bhb_loop+0x40/0x90
[  282.725875][ T6486]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.725896][ T6486] RIP: 0033:0x7f422819da0a
[  282.725918][ T6486] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  282.725937][ T6486] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.725961][ T6486] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  282.725978][ T6486] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  282.725994][ T6486] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  282.726009][ T6486] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  282.726025][ T6486] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  282.726061][ T6486]  </TASK>
[  283.017158][ T6486] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.032496][ T6486] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 16:32:59 executed programs: 148
[  283.407562][ T6489] loop1: detected capacity change from 0 to 32768
[  283.429115][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.437500][ T6489] CPU: 1 UID: 0 PID: 6489 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  283.437531][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  283.437545][ T6489] Call Trace:
[  283.437555][ T6489]  <TASK>
[  283.437565][ T6489]  dump_stack_lvl+0xe8/0x150
[  283.437605][ T6489]  sysfs_create_dir_ns+0x271/0x2a0
[  283.437639][ T6489]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.437672][ T6489]  ? do_raw_spin_unlock+0xf5/0x210
[  283.437704][ T6489]  kobject_add_internal+0x62b/0xd00
[  283.437745][ T6489]  kobject_init_and_add+0x12b/0x1a0
[  283.437783][ T6489]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.437817][ T6489]  ? __raw_spin_lock_init+0x45/0x100
[  283.437846][ T6489]  ? __init_swait_queue_head+0xa9/0x150
[  283.437876][ T6489]  gfs2_sys_fs_add+0x257/0x480
[  283.437909][ T6489]  ? is_dynamic_key+0x1ac/0x1c0
[  283.437941][ T6489]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.437983][ T6489]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.438025][ T6489]  gfs2_fill_super+0x13a7/0x21d0
[  283.438070][ T6489]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.438108][ T6489]  ? sb_set_blocksize+0x155/0x240
[  283.438136][ T6489]  ? setup_bdev_super+0x4c1/0x5b0
[  283.438163][ T6489]  get_tree_bdev_flags+0x431/0x4f0
[  283.438186][ T6489]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.438212][ T6489]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.438232][ T6489]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.438265][ T6489]  gfs2_get_tree+0x51/0x1e0
[  283.438295][ T6489]  vfs_get_tree+0x92/0x2a0
[  283.438320][ T6489]  do_new_mount+0x341/0xd30
[  283.438347][ T6489]  ? apparmor_capable+0x126/0x170
[  283.438380][ T6489]  ? __pfx_do_new_mount+0x10/0x10
[  283.438409][ T6489]  ? ns_capable+0x89/0xe0
[  283.438452][ T6489]  ? user_path_at+0xd4/0x160
[  283.438495][ T6489]  __se_sys_mount+0x31d/0x420
[  283.438532][ T6489]  ? __pfx___se_sys_mount+0x10/0x10
[  283.438569][ T6489]  ? __x64_sys_mount+0x20/0xc0
[  283.438597][ T6489]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.438621][ T6489]  do_syscall_64+0x15f/0xf80
[  283.438650][ T6489]  ? trace_irq_disable+0x3b/0x140
[  283.438677][ T6489]  ? clear_bhb_loop+0x40/0x90
[  283.438704][ T6489]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.438725][ T6489] RIP: 0033:0x7f422819da0a
[  283.438748][ T6489] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  283.438766][ T6489] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.438790][ T6489] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  283.438806][ T6489] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  283.438822][ T6489] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  283.438836][ T6489] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  283.438851][ T6489] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  283.438886][ T6489]  </TASK>
[  283.438931][ T6489] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.636558][ T5160] Bluetooth: hci0: command 0x0406 tx timeout
[  283.643138][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.162246][ T6492] loop1: detected capacity change from 0 to 32768
[  284.173641][ T6492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.184436][ T6492] CPU: 1 UID: 0 PID: 6492 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) 
[  284.184465][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  284.184479][ T6492] Call Trace:
[  284.184488][ T6492]  <TASK>
[  284.184498][ T6492]  dump_stack_lvl+0xe8/0x150
[  284.184537][ T6492]  sysfs_create_dir_ns+0x271/0x2a0
[  284.184572][ T6492]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.184604][ T6492]  ? do_raw_spin_unlock+0xf5/0x210
[  284.184636][ T6492]  kobject_add_internal+0x62b/0xd00
[  284.184680][ T6492]  kobject_init_and_add+0x12b/0x1a0
[  284.184719][ T6492]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.184753][ T6492]  ? __raw_spin_lock_init+0x45/0x100
[  284.184782][ T6492]  ? __init_swait_queue_head+0xa9/0x150
[  284.184813][ T6492]  gfs2_sys_fs_add+0x257/0x480
[  284.184846][ T6492]  ? is_dynamic_key+0x1ac/0x1c0
[  284.184878][ T6492]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.184921][ T6492]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.184961][ T6492]  gfs2_fill_super+0x13a7/0x21d0
[  284.185010][ T6492]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.185043][ T6492]  ? sb_set_blocksize+0x155/0x240
[  284.185071][ T6492]  ? setup_bdev_super+0x4c1/0x5b0
[  284.185096][ T6492]  get_tree_bdev_flags+0x431/0x4f0
[  284.185119][ T6492]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.185145][ T6492]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.185166][ T6492]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.185200][ T6492]  gfs2_get_tree+0x51/0x1e0
[  284.185231][ T6492]  vfs_get_tree+0x92/0x2a0
[  284.185256][ T6492]  do_new_mount+0x341/0xd30
[  284.185284][ T6492]  ? apparmor_capable+0x126/0x170
[  284.185316][ T6492]  ? __pfx_do_new_mount+0x10/0x10
[  284.185345][ T6492]  ? ns_capable+0x89/0xe0
[  284.185388][ T6492]  ? user_path_at+0xd4/0x160
[  284.185430][ T6492]  __se_sys_mount+0x31d/0x420
[  284.185465][ T6492]  ? __pfx___se_sys_mount+0x10/0x10
[  284.185501][ T6492]  ? __x64_sys_mount+0x20/0xc0
[  284.185529][ T6492]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.185554][ T6492]  do_syscall_64+0x15f/0xf80
[  284.185581][ T6492]  ? trace_irq_disable+0x3b/0x140
[  284.185607][ T6492]  ? clear_bhb_loop+0x40/0x90
[  284.185634][ T6492]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.185655][ T6492] RIP: 0033:0x7f422819da0a
[  284.185676][ T6492] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.185694][ T6492] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.185717][ T6492] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  284.185733][ T6492] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  284.185749][ T6492] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  284.185764][ T6492] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  284.185778][ T6492] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  284.185811][ T6492]  </TASK>
[  284.485951][ T6492] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.500107][ T6492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.880849][ T6495] loop1: detected capacity change from 0 to 32768
[  284.901834][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.910132][ T6495] CPU: 0 UID: 0 PID: 6495 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) 
[  284.910162][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  284.910177][ T6495] Call Trace:
[  284.910186][ T6495]  <TASK>
[  284.910196][ T6495]  dump_stack_lvl+0xe8/0x150
[  284.910237][ T6495]  sysfs_create_dir_ns+0x271/0x2a0
[  284.910276][ T6495]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.910299][ T6495]  ? do_raw_spin_unlock+0xf5/0x210
[  284.910323][ T6495]  kobject_add_internal+0x62b/0xd00
[  284.910355][ T6495]  kobject_init_and_add+0x12b/0x1a0
[  284.910385][ T6495]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.910410][ T6495]  ? __raw_spin_lock_init+0x45/0x100
[  284.910431][ T6495]  ? __init_swait_queue_head+0xa9/0x150
[  284.910453][ T6495]  gfs2_sys_fs_add+0x257/0x480
[  284.910478][ T6495]  ? is_dynamic_key+0x1ac/0x1c0
[  284.910502][ T6495]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.910533][ T6495]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.910562][ T6495]  gfs2_fill_super+0x13a7/0x21d0
[  284.910594][ T6495]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.910618][ T6495]  ? sb_set_blocksize+0x155/0x240
[  284.910638][ T6495]  ? setup_bdev_super+0x4c1/0x5b0
[  284.910657][ T6495]  get_tree_bdev_flags+0x431/0x4f0
[  284.910673][ T6495]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.910692][ T6495]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.910707][ T6495]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.910730][ T6495]  gfs2_get_tree+0x51/0x1e0
[  284.910752][ T6495]  vfs_get_tree+0x92/0x2a0
[  284.910770][ T6495]  do_new_mount+0x341/0xd30
[  284.910789][ T6495]  ? apparmor_capable+0x126/0x170
[  284.910812][ T6495]  ? __pfx_do_new_mount+0x10/0x10
[  284.910833][ T6495]  ? ns_capable+0x89/0xe0
[  284.910864][ T6495]  ? user_path_at+0xd4/0x160
[  284.910889][ T6495]  __se_sys_mount+0x31d/0x420
[  284.910918][ T6495]  ? __pfx___se_sys_mount+0x10/0x10
[  284.910944][ T6495]  ? __x64_sys_mount+0x20/0xc0
[  284.910987][ T6495]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.911016][ T6495]  do_syscall_64+0x15f/0xf80
[  284.911037][ T6495]  ? trace_irq_disable+0x3b/0x140
[  284.911057][ T6495]  ? clear_bhb_loop+0x40/0x90
[  284.911076][ T6495]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.911091][ T6495] RIP: 0033:0x7f422819da0a
[  284.911107][ T6495] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.911127][ T6495] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.911144][ T6495] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  284.911156][ T6495] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  284.911168][ T6495] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  284.911179][ T6495] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  284.911189][ T6495] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  284.911213][ T6495]  </TASK>
[  284.912657][ T6495] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.218312][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.623222][ T6498] loop1: detected capacity change from 0 to 32768
[  285.634434][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.656560][ T6498] CPU: 0 UID: 0 PID: 6498 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) 
[  285.656591][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  285.656605][ T6498] Call Trace:
[  285.656614][ T6498]  <TASK>
[  285.656624][ T6498]  dump_stack_lvl+0xe8/0x150
[  285.656665][ T6498]  sysfs_create_dir_ns+0x271/0x2a0
[  285.656700][ T6498]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.656732][ T6498]  ? do_raw_spin_unlock+0xf5/0x210
[  285.656765][ T6498]  kobject_add_internal+0x62b/0xd00
[  285.656809][ T6498]  kobject_init_and_add+0x12b/0x1a0
[  285.656848][ T6498]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.656882][ T6498]  ? __raw_spin_lock_init+0x45/0x100
[  285.656911][ T6498]  ? __init_swait_queue_head+0xa9/0x150
[  285.656942][ T6498]  gfs2_sys_fs_add+0x257/0x480
[  285.656975][ T6498]  ? is_dynamic_key+0x1ac/0x1c0
[  285.657007][ T6498]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.657050][ T6498]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.657103][ T6498]  gfs2_fill_super+0x13a7/0x21d0
[  285.657148][ T6498]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.657182][ T6498]  ? sb_set_blocksize+0x155/0x240
[  285.657212][ T6498]  ? setup_bdev_super+0x4c1/0x5b0
[  285.657237][ T6498]  get_tree_bdev_flags+0x431/0x4f0
[  285.657266][ T6498]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.657293][ T6498]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.657314][ T6498]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.657345][ T6498]  gfs2_get_tree+0x51/0x1e0
[  285.657377][ T6498]  vfs_get_tree+0x92/0x2a0
[  285.657402][ T6498]  do_new_mount+0x341/0xd30
[  285.657429][ T6498]  ? apparmor_capable+0x126/0x170
[  285.657462][ T6498]  ? __pfx_do_new_mount+0x10/0x10
[  285.657491][ T6498]  ? ns_capable+0x89/0xe0
[  285.657534][ T6498]  ? user_path_at+0xd4/0x160
[  285.657569][ T6498]  __se_sys_mount+0x31d/0x420
[  285.657605][ T6498]  ? __pfx___se_sys_mount+0x10/0x10
[  285.657641][ T6498]  ? __x64_sys_mount+0x20/0xc0
[  285.657670][ T6498]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.657694][ T6498]  do_syscall_64+0x15f/0xf80
[  285.657721][ T6498]  ? trace_irq_disable+0x3b/0x140
[  285.657748][ T6498]  ? clear_bhb_loop+0x40/0x90
[  285.657776][ T6498]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.657798][ T6498] RIP: 0033:0x7f422819da0a
[  285.657819][ T6498] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  285.657838][ T6498] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.657861][ T6498] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  285.657878][ T6498] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  285.657894][ T6498] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  285.657909][ T6498] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  285.657924][ T6498] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  285.657958][ T6498]  </TASK>
[  285.658046][ T6498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.962638][ T6498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.359178][ T6501] loop1: detected capacity change from 0 to 32768
[  286.371155][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.387438][ T6501] CPU: 0 UID: 0 PID: 6501 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) 
[  286.387469][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  286.387483][ T6501] Call Trace:
[  286.387492][ T6501]  <TASK>
[  286.387502][ T6501]  dump_stack_lvl+0xe8/0x150
[  286.387542][ T6501]  sysfs_create_dir_ns+0x271/0x2a0
[  286.387577][ T6501]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.387609][ T6501]  ? do_raw_spin_unlock+0xf5/0x210
[  286.387641][ T6501]  kobject_add_internal+0x62b/0xd00
[  286.387684][ T6501]  kobject_init_and_add+0x12b/0x1a0
[  286.387724][ T6501]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.387759][ T6501]  ? __raw_spin_lock_init+0x45/0x100
[  286.387788][ T6501]  ? __init_swait_queue_head+0xa9/0x150
[  286.387819][ T6501]  gfs2_sys_fs_add+0x257/0x480
[  286.387852][ T6501]  ? is_dynamic_key+0x1ac/0x1c0
[  286.387884][ T6501]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.387929][ T6501]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.387971][ T6501]  gfs2_fill_super+0x13a7/0x21d0
[  286.388016][ T6501]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.388059][ T6501]  ? sb_set_blocksize+0x155/0x240
[  286.388087][ T6501]  ? setup_bdev_super+0x4c1/0x5b0
[  286.388114][ T6501]  get_tree_bdev_flags+0x431/0x4f0
[  286.388138][ T6501]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.388164][ T6501]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.388185][ T6501]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.388219][ T6501]  gfs2_get_tree+0x51/0x1e0
[  286.388249][ T6501]  vfs_get_tree+0x92/0x2a0
[  286.388274][ T6501]  do_new_mount+0x341/0xd30
[  286.388301][ T6501]  ? apparmor_capable+0x126/0x170
[  286.388334][ T6501]  ? __pfx_do_new_mount+0x10/0x10
[  286.388362][ T6501]  ? ns_capable+0x89/0xe0
[  286.388406][ T6501]  ? user_path_at+0xd4/0x160
[  286.388441][ T6501]  __se_sys_mount+0x31d/0x420
[  286.388477][ T6501]  ? __pfx___se_sys_mount+0x10/0x10
[  286.388513][ T6501]  ? __x64_sys_mount+0x20/0xc0
[  286.388541][ T6501]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.388565][ T6501]  do_syscall_64+0x15f/0xf80
[  286.388592][ T6501]  ? trace_irq_disable+0x3b/0x140
[  286.388619][ T6501]  ? clear_bhb_loop+0x40/0x90
[  286.388646][ T6501]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.388666][ T6501] RIP: 0033:0x7f422819da0a
[  286.388687][ T6501] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  286.388705][ T6501] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.388727][ T6501] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  286.388743][ T6501] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  286.388759][ T6501] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  286.388777][ T6501] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  286.388792][ T6501] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  286.388860][ T6501]  </TASK>
[  286.389069][ T6501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.698989][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.069873][ T6504] loop1: detected capacity change from 0 to 32768
[  287.088852][ T6504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.104920][ T6504] CPU: 1 UID: 0 PID: 6504 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) 
[  287.104950][ T6504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  287.104964][ T6504] Call Trace:
[  287.104984][ T6504]  <TASK>
[  287.104995][ T6504]  dump_stack_lvl+0xe8/0x150
[  287.105035][ T6504]  sysfs_create_dir_ns+0x271/0x2a0
[  287.105069][ T6504]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.105101][ T6504]  ? do_raw_spin_unlock+0xf5/0x210
[  287.105133][ T6504]  kobject_add_internal+0x62b/0xd00
[  287.105177][ T6504]  kobject_init_and_add+0x12b/0x1a0
[  287.105216][ T6504]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.105251][ T6504]  ? __raw_spin_lock_init+0x45/0x100
[  287.105280][ T6504]  ? __init_swait_queue_head+0xa9/0x150
[  287.105310][ T6504]  gfs2_sys_fs_add+0x257/0x480
[  287.105344][ T6504]  ? is_dynamic_key+0x1ac/0x1c0
[  287.105377][ T6504]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.105420][ T6504]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.105462][ T6504]  gfs2_fill_super+0x13a7/0x21d0
[  287.105507][ T6504]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.105541][ T6504]  ? sb_set_blocksize+0x155/0x240
[  287.105568][ T6504]  ? setup_bdev_super+0x4c1/0x5b0
[  287.105595][ T6504]  get_tree_bdev_flags+0x431/0x4f0
[  287.105619][ T6504]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.105645][ T6504]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.105665][ T6504]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.105698][ T6504]  gfs2_get_tree+0x51/0x1e0
[  287.105729][ T6504]  vfs_get_tree+0x92/0x2a0
[  287.105754][ T6504]  do_new_mount+0x341/0xd30
[  287.105786][ T6504]  ? apparmor_capable+0x126/0x170
[  287.105819][ T6504]  ? __pfx_do_new_mount+0x10/0x10
[  287.105846][ T6504]  ? ns_capable+0x89/0xe0
[  287.105890][ T6504]  ? user_path_at+0xd4/0x160
[  287.105925][ T6504]  __se_sys_mount+0x31d/0x420
[  287.105961][ T6504]  ? __pfx___se_sys_mount+0x10/0x10
[  287.106007][ T6504]  ? __x64_sys_mount+0x20/0xc0
[  287.106035][ T6504]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.106060][ T6504]  do_syscall_64+0x15f/0xf80
[  287.106087][ T6504]  ? trace_irq_disable+0x3b/0x140
[  287.106114][ T6504]  ? clear_bhb_loop+0x40/0x90
[  287.106142][ T6504]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.106164][ T6504] RIP: 0033:0x7f422819da0a
[  287.106186][ T6504] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.106206][ T6504] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.106232][ T6504] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  287.106249][ T6504] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  287.106265][ T6504] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  287.106280][ T6504] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  287.106294][ T6504] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  287.106329][ T6504]  </TASK>
[  287.395243][ T6504] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.409297][ T6504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.780631][ T6507] loop1: detected capacity change from 0 to 32768
[  287.794801][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.802379][ T6507] CPU: 0 UID: 0 PID: 6507 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) 
[  287.802408][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  287.802423][ T6507] Call Trace:
[  287.802432][ T6507]  <TASK>
[  287.802442][ T6507]  dump_stack_lvl+0xe8/0x150
[  287.802482][ T6507]  sysfs_create_dir_ns+0x271/0x2a0
[  287.802516][ T6507]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.802549][ T6507]  ? do_raw_spin_unlock+0xf5/0x210
[  287.802582][ T6507]  kobject_add_internal+0x62b/0xd00
[  287.802625][ T6507]  kobject_init_and_add+0x12b/0x1a0
[  287.802665][ T6507]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.802701][ T6507]  ? __raw_spin_lock_init+0x45/0x100
[  287.802729][ T6507]  ? __init_swait_queue_head+0xa9/0x150
[  287.802760][ T6507]  gfs2_sys_fs_add+0x257/0x480
[  287.802793][ T6507]  ? is_dynamic_key+0x1ac/0x1c0
[  287.802825][ T6507]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.802868][ T6507]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.802909][ T6507]  gfs2_fill_super+0x13a7/0x21d0
[  287.802964][ T6507]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.802997][ T6507]  ? sb_set_blocksize+0x155/0x240
[  287.803026][ T6507]  ? setup_bdev_super+0x4c1/0x5b0
[  287.803052][ T6507]  get_tree_bdev_flags+0x431/0x4f0
[  287.803076][ T6507]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.803102][ T6507]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.803123][ T6507]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.803156][ T6507]  gfs2_get_tree+0x51/0x1e0
[  287.803187][ T6507]  vfs_get_tree+0x92/0x2a0
[  287.803213][ T6507]  do_new_mount+0x341/0xd30
[  287.803239][ T6507]  ? apparmor_capable+0x126/0x170
[  287.803273][ T6507]  ? __pfx_do_new_mount+0x10/0x10
[  287.803301][ T6507]  ? ns_capable+0x89/0xe0
[  287.803345][ T6507]  ? user_path_at+0xd4/0x160
[  287.803379][ T6507]  __se_sys_mount+0x31d/0x420
[  287.803415][ T6507]  ? __pfx___se_sys_mount+0x10/0x10
[  287.803450][ T6507]  ? __x64_sys_mount+0x20/0xc0
[  287.803478][ T6507]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.803502][ T6507]  do_syscall_64+0x15f/0xf80
[  287.803530][ T6507]  ? trace_irq_disable+0x3b/0x140
[  287.803557][ T6507]  ? clear_bhb_loop+0x40/0x90
[  287.803584][ T6507]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.803606][ T6507] RIP: 0033:0x7f422819da0a
[  287.803628][ T6507] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.803646][ T6507] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.803670][ T6507] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  287.803687][ T6507] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  287.803703][ T6507] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  287.803718][ T6507] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  287.803732][ T6507] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  287.803767][ T6507]  </TASK>
[  287.803830][ T6507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.110207][ T6507] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 16:33:04 executed programs: 155
[  288.519497][ T6510] loop1: detected capacity change from 0 to 32768
[  288.531578][ T6510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.544087][ T6510] CPU: 1 UID: 0 PID: 6510 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) 
[  288.544117][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  288.544131][ T6510] Call Trace:
[  288.544141][ T6510]  <TASK>
[  288.544161][ T6510]  dump_stack_lvl+0xe8/0x150
[  288.544201][ T6510]  sysfs_create_dir_ns+0x271/0x2a0
[  288.544235][ T6510]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.544267][ T6510]  ? do_raw_spin_unlock+0xf5/0x210
[  288.544300][ T6510]  kobject_add_internal+0x62b/0xd00
[  288.544344][ T6510]  kobject_init_and_add+0x12b/0x1a0
[  288.544383][ T6510]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.544417][ T6510]  ? __raw_spin_lock_init+0x45/0x100
[  288.544446][ T6510]  ? __init_swait_queue_head+0xa9/0x150
[  288.544477][ T6510]  gfs2_sys_fs_add+0x257/0x480
[  288.544511][ T6510]  ? is_dynamic_key+0x1ac/0x1c0
[  288.544544][ T6510]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.544587][ T6510]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.544629][ T6510]  gfs2_fill_super+0x13a7/0x21d0
[  288.544675][ T6510]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.544708][ T6510]  ? sb_set_blocksize+0x155/0x240
[  288.544736][ T6510]  ? setup_bdev_super+0x4c1/0x5b0
[  288.544762][ T6510]  get_tree_bdev_flags+0x431/0x4f0
[  288.544787][ T6510]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.544814][ T6510]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.544835][ T6510]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.544868][ T6510]  gfs2_get_tree+0x51/0x1e0
[  288.544898][ T6510]  vfs_get_tree+0x92/0x2a0
[  288.544925][ T6510]  do_new_mount+0x341/0xd30
[  288.544951][ T6510]  ? apparmor_capable+0x126/0x170
[  288.544984][ T6510]  ? __pfx_do_new_mount+0x10/0x10
[  288.545013][ T6510]  ? ns_capable+0x89/0xe0
[  288.545057][ T6510]  ? user_path_at+0xd4/0x160
[  288.545092][ T6510]  __se_sys_mount+0x31d/0x420
[  288.545128][ T6510]  ? __pfx___se_sys_mount+0x10/0x10
[  288.545173][ T6510]  ? __x64_sys_mount+0x20/0xc0
[  288.545202][ T6510]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.545226][ T6510]  do_syscall_64+0x15f/0xf80
[  288.545254][ T6510]  ? trace_irq_disable+0x3b/0x140
[  288.545282][ T6510]  ? clear_bhb_loop+0x40/0x90
[  288.545308][ T6510]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.545330][ T6510] RIP: 0033:0x7f422819da0a
[  288.545351][ T6510] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.545370][ T6510] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.545394][ T6510] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  288.545411][ T6510] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  288.545427][ T6510] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  288.545443][ T6510] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  288.545457][ T6510] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  288.545491][ T6510]  </TASK>
[  288.545521][ T6510] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.858171][ T6510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.222619][ T6513] loop1: detected capacity change from 0 to 32768
[  289.233036][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.240862][ T6513] CPU: 1 UID: 0 PID: 6513 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  289.240891][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  289.240904][ T6513] Call Trace:
[  289.240914][ T6513]  <TASK>
[  289.240923][ T6513]  dump_stack_lvl+0xe8/0x150
[  289.240961][ T6513]  sysfs_create_dir_ns+0x271/0x2a0
[  289.240996][ T6513]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.241028][ T6513]  ? do_raw_spin_unlock+0xf5/0x210
[  289.241060][ T6513]  kobject_add_internal+0x62b/0xd00
[  289.241104][ T6513]  kobject_init_and_add+0x12b/0x1a0
[  289.241142][ T6513]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.241176][ T6513]  ? __raw_spin_lock_init+0x45/0x100
[  289.241205][ T6513]  ? __init_swait_queue_head+0xa9/0x150
[  289.241236][ T6513]  gfs2_sys_fs_add+0x257/0x480
[  289.241269][ T6513]  ? is_dynamic_key+0x1ac/0x1c0
[  289.241302][ T6513]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.241345][ T6513]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.241386][ T6513]  gfs2_fill_super+0x13a7/0x21d0
[  289.241432][ T6513]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.241465][ T6513]  ? sb_set_blocksize+0x155/0x240
[  289.241493][ T6513]  ? setup_bdev_super+0x4c1/0x5b0
[  289.241519][ T6513]  get_tree_bdev_flags+0x431/0x4f0
[  289.241543][ T6513]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.241570][ T6513]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.241591][ T6513]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.241624][ T6513]  gfs2_get_tree+0x51/0x1e0
[  289.241654][ T6513]  vfs_get_tree+0x92/0x2a0
[  289.241680][ T6513]  do_new_mount+0x341/0xd30
[  289.241707][ T6513]  ? apparmor_capable+0x126/0x170
[  289.241741][ T6513]  ? __pfx_do_new_mount+0x10/0x10
[  289.241768][ T6513]  ? ns_capable+0x89/0xe0
[  289.241812][ T6513]  ? user_path_at+0xd4/0x160
[  289.241859][ T6513]  __se_sys_mount+0x31d/0x420
[  289.241896][ T6513]  ? __pfx___se_sys_mount+0x10/0x10
[  289.241933][ T6513]  ? __x64_sys_mount+0x20/0xc0
[  289.241966][ T6513]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.241990][ T6513]  do_syscall_64+0x15f/0xf80
[  289.242018][ T6513]  ? trace_irq_disable+0x3b/0x140
[  289.242046][ T6513]  ? clear_bhb_loop+0x40/0x90
[  289.242072][ T6513]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.242094][ T6513] RIP: 0033:0x7f422819da0a
[  289.242116][ T6513] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  289.242135][ T6513] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.242158][ T6513] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  289.242174][ T6513] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  289.242189][ T6513] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  289.242204][ T6513] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  289.242218][ T6513] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  289.242252][ T6513]  </TASK>
[  289.244900][ T6513] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.549393][ T6513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.955702][ T6516] loop1: detected capacity change from 0 to 32768
[  289.971260][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.979656][ T6516] CPU: 1 UID: 0 PID: 6516 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  289.979685][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  289.979699][ T6516] Call Trace:
[  289.979708][ T6516]  <TASK>
[  289.979718][ T6516]  dump_stack_lvl+0xe8/0x150
[  289.979758][ T6516]  sysfs_create_dir_ns+0x271/0x2a0
[  289.979806][ T6516]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.979838][ T6516]  ? do_raw_spin_unlock+0xf5/0x210
[  289.979871][ T6516]  kobject_add_internal+0x62b/0xd00
[  289.979914][ T6516]  kobject_init_and_add+0x12b/0x1a0
[  289.979954][ T6516]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.979989][ T6516]  ? __raw_spin_lock_init+0x45/0x100
[  289.980018][ T6516]  ? __init_swait_queue_head+0xa9/0x150
[  289.980049][ T6516]  gfs2_sys_fs_add+0x257/0x480
[  289.980081][ T6516]  ? is_dynamic_key+0x1ac/0x1c0
[  289.980114][ T6516]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.980157][ T6516]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.980199][ T6516]  gfs2_fill_super+0x13a7/0x21d0
[  289.980248][ T6516]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.980280][ T6516]  ? sb_set_blocksize+0x155/0x240
[  289.980308][ T6516]  ? setup_bdev_super+0x4c1/0x5b0
[  289.980334][ T6516]  get_tree_bdev_flags+0x431/0x4f0
[  289.980358][ T6516]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.980384][ T6516]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.980405][ T6516]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.980437][ T6516]  gfs2_get_tree+0x51/0x1e0
[  289.980467][ T6516]  vfs_get_tree+0x92/0x2a0
[  289.980492][ T6516]  do_new_mount+0x341/0xd30
[  289.980518][ T6516]  ? apparmor_capable+0x126/0x170
[  289.980552][ T6516]  ? __pfx_do_new_mount+0x10/0x10
[  289.980580][ T6516]  ? ns_capable+0x89/0xe0
[  289.980623][ T6516]  ? user_path_at+0xd4/0x160
[  289.980659][ T6516]  __se_sys_mount+0x31d/0x420
[  289.980695][ T6516]  ? __pfx___se_sys_mount+0x10/0x10
[  289.980731][ T6516]  ? __x64_sys_mount+0x20/0xc0
[  289.980774][ T6516]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.980798][ T6516]  do_syscall_64+0x15f/0xf80
[  289.980826][ T6516]  ? trace_irq_disable+0x3b/0x140
[  289.980853][ T6516]  ? clear_bhb_loop+0x40/0x90
[  289.980880][ T6516]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.980902][ T6516] RIP: 0033:0x7f422819da0a
[  289.980923][ T6516] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  289.980941][ T6516] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.980965][ T6516] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  289.980981][ T6516] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  289.980996][ T6516] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  289.981011][ T6516] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  289.981026][ T6516] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  289.981061][ T6516]  </TASK>
[  289.981671][ T6516] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.287532][ T6516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.662519][ T6519] loop1: detected capacity change from 0 to 32768
[  290.673708][ T6519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.681590][ T6519] CPU: 0 UID: 0 PID: 6519 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  290.681618][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  290.681632][ T6519] Call Trace:
[  290.681641][ T6519]  <TASK>
[  290.681651][ T6519]  dump_stack_lvl+0xe8/0x150
[  290.681692][ T6519]  sysfs_create_dir_ns+0x271/0x2a0
[  290.681726][ T6519]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.681757][ T6519]  ? do_raw_spin_unlock+0xf5/0x210
[  290.681789][ T6519]  kobject_add_internal+0x62b/0xd00
[  290.681833][ T6519]  kobject_init_and_add+0x12b/0x1a0
[  290.681871][ T6519]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.681905][ T6519]  ? __raw_spin_lock_init+0x45/0x100
[  290.681934][ T6519]  ? __init_swait_queue_head+0xa9/0x150
[  290.681965][ T6519]  gfs2_sys_fs_add+0x257/0x480
[  290.682010][ T6519]  ? is_dynamic_key+0x1ac/0x1c0
[  290.682043][ T6519]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.682086][ T6519]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.682128][ T6519]  gfs2_fill_super+0x13a7/0x21d0
[  290.682173][ T6519]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.682206][ T6519]  ? sb_set_blocksize+0x155/0x240
[  290.682235][ T6519]  ? setup_bdev_super+0x4c1/0x5b0
[  290.682261][ T6519]  get_tree_bdev_flags+0x431/0x4f0
[  290.682284][ T6519]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.682312][ T6519]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.682332][ T6519]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.682372][ T6519]  gfs2_get_tree+0x51/0x1e0
[  290.682403][ T6519]  vfs_get_tree+0x92/0x2a0
[  290.682429][ T6519]  do_new_mount+0x341/0xd30
[  290.682456][ T6519]  ? apparmor_capable+0x126/0x170
[  290.682490][ T6519]  ? __pfx_do_new_mount+0x10/0x10
[  290.682518][ T6519]  ? ns_capable+0x89/0xe0
[  290.682562][ T6519]  ? user_path_at+0xd4/0x160
[  290.682597][ T6519]  __se_sys_mount+0x31d/0x420
[  290.682632][ T6519]  ? __pfx___se_sys_mount+0x10/0x10
[  290.682669][ T6519]  ? __x64_sys_mount+0x20/0xc0
[  290.682698][ T6519]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.682722][ T6519]  do_syscall_64+0x15f/0xf80
[  290.682750][ T6519]  ? trace_irq_disable+0x3b/0x140
[  290.682778][ T6519]  ? clear_bhb_loop+0x40/0x90
[  290.682805][ T6519]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.682827][ T6519] RIP: 0033:0x7f422819da0a
[  290.682848][ T6519] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  290.682867][ T6519] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.682891][ T6519] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  290.682908][ T6519] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  290.682923][ T6519] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  290.682938][ T6519] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  290.682952][ T6519] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  290.682996][ T6519]  </TASK>
[  290.683123][ T6519] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.988282][ T6519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.396656][ T6522] loop1: detected capacity change from 0 to 32768
[  291.410766][ T6522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.419837][ T6522] CPU: 1 UID: 0 PID: 6522 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  291.419866][ T6522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  291.419880][ T6522] Call Trace:
[  291.419889][ T6522]  <TASK>
[  291.419899][ T6522]  dump_stack_lvl+0xe8/0x150
[  291.419940][ T6522]  sysfs_create_dir_ns+0x271/0x2a0
[  291.419974][ T6522]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.420014][ T6522]  ? do_raw_spin_unlock+0xf5/0x210
[  291.420046][ T6522]  kobject_add_internal+0x62b/0xd00
[  291.420088][ T6522]  kobject_init_and_add+0x12b/0x1a0
[  291.420126][ T6522]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.420166][ T6522]  ? __raw_spin_lock_init+0x45/0x100
[  291.420194][ T6522]  ? __init_swait_queue_head+0xa9/0x150
[  291.420224][ T6522]  gfs2_sys_fs_add+0x257/0x480
[  291.420258][ T6522]  ? is_dynamic_key+0x1ac/0x1c0
[  291.420291][ T6522]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.420335][ T6522]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.420377][ T6522]  gfs2_fill_super+0x13a7/0x21d0
[  291.420423][ T6522]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.420456][ T6522]  ? sb_set_blocksize+0x155/0x240
[  291.420484][ T6522]  ? setup_bdev_super+0x4c1/0x5b0
[  291.420509][ T6522]  get_tree_bdev_flags+0x431/0x4f0
[  291.420533][ T6522]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.420561][ T6522]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.420581][ T6522]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.420615][ T6522]  gfs2_get_tree+0x51/0x1e0
[  291.420646][ T6522]  vfs_get_tree+0x92/0x2a0
[  291.420671][ T6522]  do_new_mount+0x341/0xd30
[  291.420698][ T6522]  ? apparmor_capable+0x126/0x170
[  291.420730][ T6522]  ? __pfx_do_new_mount+0x10/0x10
[  291.420760][ T6522]  ? ns_capable+0x89/0xe0
[  291.420804][ T6522]  ? user_path_at+0xd4/0x160
[  291.420839][ T6522]  __se_sys_mount+0x31d/0x420
[  291.420875][ T6522]  ? __pfx___se_sys_mount+0x10/0x10
[  291.420913][ T6522]  ? __x64_sys_mount+0x20/0xc0
[  291.420941][ T6522]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.420964][ T6522]  do_syscall_64+0x15f/0xf80
[  291.420992][ T6522]  ? trace_irq_disable+0x3b/0x140
[  291.421027][ T6522]  ? clear_bhb_loop+0x40/0x90
[  291.421054][ T6522]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.421077][ T6522] RIP: 0033:0x7f422819da0a
[  291.421097][ T6522] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  291.421116][ T6522] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.421140][ T6522] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  291.421156][ T6522] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  291.421173][ T6522] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  291.421187][ T6522] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  291.421201][ T6522] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  291.421236][ T6522]  </TASK>
[  291.421915][ T6522] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.730132][ T6522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.102624][ T6525] loop1: detected capacity change from 0 to 32768
[  292.117130][ T6525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.124611][ T6525] CPU: 0 UID: 0 PID: 6525 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  292.124641][ T6525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  292.124655][ T6525] Call Trace:
[  292.124664][ T6525]  <TASK>
[  292.124673][ T6525]  dump_stack_lvl+0xe8/0x150
[  292.124713][ T6525]  sysfs_create_dir_ns+0x271/0x2a0
[  292.124747][ T6525]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.124778][ T6525]  ? do_raw_spin_unlock+0xf5/0x210
[  292.124811][ T6525]  kobject_add_internal+0x62b/0xd00
[  292.124853][ T6525]  kobject_init_and_add+0x12b/0x1a0
[  292.124900][ T6525]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.124934][ T6525]  ? __raw_spin_lock_init+0x45/0x100
[  292.124963][ T6525]  ? __init_swait_queue_head+0xa9/0x150
[  292.124994][ T6525]  gfs2_sys_fs_add+0x257/0x480
[  292.125027][ T6525]  ? is_dynamic_key+0x1ac/0x1c0
[  292.125060][ T6525]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.125103][ T6525]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.125144][ T6525]  gfs2_fill_super+0x13a7/0x21d0
[  292.125188][ T6525]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.125221][ T6525]  ? sb_set_blocksize+0x155/0x240
[  292.125248][ T6525]  ? setup_bdev_super+0x4c1/0x5b0
[  292.125273][ T6525]  get_tree_bdev_flags+0x431/0x4f0
[  292.125296][ T6525]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.125323][ T6525]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.125344][ T6525]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.125377][ T6525]  gfs2_get_tree+0x51/0x1e0
[  292.125408][ T6525]  vfs_get_tree+0x92/0x2a0
[  292.125433][ T6525]  do_new_mount+0x341/0xd30
[  292.125461][ T6525]  ? apparmor_capable+0x126/0x170
[  292.125494][ T6525]  ? __pfx_do_new_mount+0x10/0x10
[  292.125523][ T6525]  ? ns_capable+0x89/0xe0
[  292.125566][ T6525]  ? user_path_at+0xd4/0x160
[  292.125601][ T6525]  __se_sys_mount+0x31d/0x420
[  292.125637][ T6525]  ? __pfx___se_sys_mount+0x10/0x10
[  292.125674][ T6525]  ? __x64_sys_mount+0x20/0xc0
[  292.125701][ T6525]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.125725][ T6525]  do_syscall_64+0x15f/0xf80
[  292.125752][ T6525]  ? trace_irq_disable+0x3b/0x140
[  292.125783][ T6525]  ? clear_bhb_loop+0x40/0x90
[  292.125808][ T6525]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.125829][ T6525] RIP: 0033:0x7f422819da0a
[  292.125849][ T6525] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  292.125877][ T6525] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.125902][ T6525] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  292.125919][ T6525] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  292.125936][ T6525] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  292.125952][ T6525] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  292.125966][ T6525] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  292.126001][ T6525]  </TASK>
[  292.420332][ T6525] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.434844][ T6525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.806660][ T6528] loop1: detected capacity change from 0 to 32768
[  292.819465][ T6528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.831116][ T6528] CPU: 0 UID: 0 PID: 6528 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  292.831146][ T6528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  292.831160][ T6528] Call Trace:
[  292.831169][ T6528]  <TASK>
[  292.831179][ T6528]  dump_stack_lvl+0xe8/0x150
[  292.831219][ T6528]  sysfs_create_dir_ns+0x271/0x2a0
[  292.831253][ T6528]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.831286][ T6528]  ? do_raw_spin_unlock+0xf5/0x210
[  292.831319][ T6528]  kobject_add_internal+0x62b/0xd00
[  292.831361][ T6528]  kobject_init_and_add+0x12b/0x1a0
[  292.831399][ T6528]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.831434][ T6528]  ? __raw_spin_lock_init+0x45/0x100
[  292.831462][ T6528]  ? __init_swait_queue_head+0xa9/0x150
[  292.831493][ T6528]  gfs2_sys_fs_add+0x257/0x480
[  292.831527][ T6528]  ? is_dynamic_key+0x1ac/0x1c0
[  292.831560][ T6528]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.831603][ T6528]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.831644][ T6528]  gfs2_fill_super+0x13a7/0x21d0
[  292.831689][ T6528]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.831722][ T6528]  ? sb_set_blocksize+0x155/0x240
[  292.831750][ T6528]  ? setup_bdev_super+0x4c1/0x5b0
[  292.831776][ T6528]  get_tree_bdev_flags+0x431/0x4f0
[  292.831801][ T6528]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.831836][ T6528]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.831857][ T6528]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.831890][ T6528]  gfs2_get_tree+0x51/0x1e0
[  292.831922][ T6528]  vfs_get_tree+0x92/0x2a0
[  292.831947][ T6528]  do_new_mount+0x341/0xd30
[  292.831974][ T6528]  ? apparmor_capable+0x126/0x170
[  292.832007][ T6528]  ? __pfx_do_new_mount+0x10/0x10
[  292.832035][ T6528]  ? ns_capable+0x89/0xe0
[  292.832078][ T6528]  ? user_path_at+0xd4/0x160
[  292.832113][ T6528]  __se_sys_mount+0x31d/0x420
[  292.832148][ T6528]  ? __pfx___se_sys_mount+0x10/0x10
[  292.832186][ T6528]  ? __x64_sys_mount+0x20/0xc0
[  292.832214][ T6528]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.832238][ T6528]  do_syscall_64+0x15f/0xf80
[  292.832266][ T6528]  ? trace_irq_disable+0x3b/0x140
[  292.832294][ T6528]  ? clear_bhb_loop+0x40/0x90
[  292.832321][ T6528]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.832344][ T6528] RIP: 0033:0x7f422819da0a
[  292.832366][ T6528] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  292.832385][ T6528] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.832409][ T6528] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  292.832426][ T6528] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  292.832442][ T6528] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  292.832457][ T6528] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  292.832471][ T6528] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  292.832507][ T6528]  </TASK>
[  292.832537][ T6528] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.137769][ T6528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.507300][ T6531] loop1: detected capacity change from 0 to 32768
[  293.518364][ T6531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.528871][ T6531] CPU: 1 UID: 0 PID: 6531 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  293.528900][ T6531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  293.528914][ T6531] Call Trace:
[  293.528923][ T6531]  <TASK>
[  293.528935][ T6531]  dump_stack_lvl+0xe8/0x150
[  293.528974][ T6531]  sysfs_create_dir_ns+0x271/0x2a0
[  293.529008][ T6531]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.529040][ T6531]  ? do_raw_spin_unlock+0xf5/0x210
[  293.529073][ T6531]  kobject_add_internal+0x62b/0xd00
[  293.529116][ T6531]  kobject_init_and_add+0x12b/0x1a0
[  293.529155][ T6531]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.529189][ T6531]  ? __raw_spin_lock_init+0x45/0x100
[  293.529218][ T6531]  ? __init_swait_queue_head+0xa9/0x150
[  293.529249][ T6531]  gfs2_sys_fs_add+0x257/0x480
[  293.529282][ T6531]  ? is_dynamic_key+0x1ac/0x1c0
[  293.529315][ T6531]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.529358][ T6531]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.529401][ T6531]  gfs2_fill_super+0x13a7/0x21d0
[  293.529446][ T6531]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.529479][ T6531]  ? sb_set_blocksize+0x155/0x240
[  293.529506][ T6531]  ? setup_bdev_super+0x4c1/0x5b0
[  293.529541][ T6531]  get_tree_bdev_flags+0x431/0x4f0
[  293.529564][ T6531]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.529590][ T6531]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.529611][ T6531]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.529644][ T6531]  gfs2_get_tree+0x51/0x1e0
[  293.529676][ T6531]  vfs_get_tree+0x92/0x2a0
[  293.529700][ T6531]  do_new_mount+0x341/0xd30
[  293.529728][ T6531]  ? apparmor_capable+0x126/0x170
[  293.529762][ T6531]  ? __pfx_do_new_mount+0x10/0x10
[  293.529797][ T6531]  ? ns_capable+0x89/0xe0
[  293.529842][ T6531]  ? user_path_at+0xd4/0x160
[  293.529878][ T6531]  __se_sys_mount+0x31d/0x420
[  293.529914][ T6531]  ? __pfx___se_sys_mount+0x10/0x10
[  293.529952][ T6531]  ? __x64_sys_mount+0x20/0xc0
[  293.529979][ T6531]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.530003][ T6531]  do_syscall_64+0x15f/0xf80
[  293.530031][ T6531]  ? trace_irq_disable+0x3b/0x140
[  293.530057][ T6531]  ? clear_bhb_loop+0x40/0x90
[  293.530084][ T6531]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.530106][ T6531] RIP: 0033:0x7f422819da0a
[  293.530127][ T6531] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  293.530146][ T6531] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.530170][ T6531] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  293.530187][ T6531] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  293.530203][ T6531] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  293.530218][ T6531] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  293.530233][ T6531] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  293.530267][ T6531]  </TASK>
[  293.530907][ T6531] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.836968][ T6531] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 16:33:10 executed programs: 163
[  294.223180][ T6534] loop1: detected capacity change from 0 to 32768
[  294.236607][ T6534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.244161][ T6534] CPU: 1 UID: 0 PID: 6534 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  294.244190][ T6534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  294.244205][ T6534] Call Trace:
[  294.244215][ T6534]  <TASK>
[  294.244225][ T6534]  dump_stack_lvl+0xe8/0x150
[  294.244265][ T6534]  sysfs_create_dir_ns+0x271/0x2a0
[  294.244300][ T6534]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  294.244332][ T6534]  ? do_raw_spin_unlock+0xf5/0x210
[  294.244365][ T6534]  kobject_add_internal+0x62b/0xd00
[  294.244407][ T6534]  kobject_init_and_add+0x12b/0x1a0
[  294.244447][ T6534]  ? __pfx_kobject_init_and_add+0x10/0x10
[  294.244493][ T6534]  ? __raw_spin_lock_init+0x45/0x100
[  294.244522][ T6534]  ? __init_swait_queue_head+0xa9/0x150
[  294.244553][ T6534]  gfs2_sys_fs_add+0x257/0x480
[  294.244586][ T6534]  ? is_dynamic_key+0x1ac/0x1c0
[  294.244619][ T6534]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  294.244662][ T6534]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  294.244704][ T6534]  gfs2_fill_super+0x13a7/0x21d0
[  294.244749][ T6534]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.244782][ T6534]  ? sb_set_blocksize+0x155/0x240
[  294.244810][ T6534]  ? setup_bdev_super+0x4c1/0x5b0
[  294.244836][ T6534]  get_tree_bdev_flags+0x431/0x4f0
[  294.244860][ T6534]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.244887][ T6534]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.244908][ T6534]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.244941][ T6534]  gfs2_get_tree+0x51/0x1e0
[  294.244972][ T6534]  vfs_get_tree+0x92/0x2a0
[  294.244996][ T6534]  do_new_mount+0x341/0xd30
[  294.245022][ T6534]  ? apparmor_capable+0x126/0x170
[  294.245054][ T6534]  ? __pfx_do_new_mount+0x10/0x10
[  294.245081][ T6534]  ? ns_capable+0x89/0xe0
[  294.245124][ T6534]  ? user_path_at+0xd4/0x160
[  294.245158][ T6534]  __se_sys_mount+0x31d/0x420
[  294.245193][ T6534]  ? __pfx___se_sys_mount+0x10/0x10
[  294.245227][ T6534]  ? __x64_sys_mount+0x20/0xc0
[  294.245253][ T6534]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.245275][ T6534]  do_syscall_64+0x15f/0xf80
[  294.245303][ T6534]  ? trace_irq_disable+0x3b/0x140
[  294.245329][ T6534]  ? clear_bhb_loop+0x40/0x90
[  294.245354][ T6534]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.245374][ T6534] RIP: 0033:0x7f422819da0a
[  294.245395][ T6534] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  294.245413][ T6534] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.245435][ T6534] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  294.245451][ T6534] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  294.245465][ T6534] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  294.245494][ T6534] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  294.245508][ T6534] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  294.245542][ T6534]  </TASK>
[  294.245616][ T6534] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.551241][ T6534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.926778][ T6537] loop1: detected capacity change from 0 to 32768
[  294.937329][ T6537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.944912][ T6537] CPU: 1 UID: 0 PID: 6537 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  294.944940][ T6537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  294.944955][ T6537] Call Trace:
[  294.944964][ T6537]  <TASK>
[  294.944974][ T6537]  dump_stack_lvl+0xe8/0x150
[  294.945014][ T6537]  sysfs_create_dir_ns+0x271/0x2a0
[  294.945048][ T6537]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  294.945080][ T6537]  ? do_raw_spin_unlock+0xf5/0x210
[  294.945113][ T6537]  kobject_add_internal+0x62b/0xd00
[  294.945155][ T6537]  kobject_init_and_add+0x12b/0x1a0
[  294.945193][ T6537]  ? __pfx_kobject_init_and_add+0x10/0x10
[  294.945228][ T6537]  ? __raw_spin_lock_init+0x45/0x100
[  294.945257][ T6537]  ? __init_swait_queue_head+0xa9/0x150
[  294.945288][ T6537]  gfs2_sys_fs_add+0x257/0x480
[  294.945321][ T6537]  ? is_dynamic_key+0x1ac/0x1c0
[  294.945354][ T6537]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  294.945397][ T6537]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  294.945439][ T6537]  gfs2_fill_super+0x13a7/0x21d0
[  294.945495][ T6537]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.945529][ T6537]  ? sb_set_blocksize+0x155/0x240
[  294.945557][ T6537]  ? setup_bdev_super+0x4c1/0x5b0
[  294.945584][ T6537]  get_tree_bdev_flags+0x431/0x4f0
[  294.945607][ T6537]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.945634][ T6537]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.945654][ T6537]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.945688][ T6537]  gfs2_get_tree+0x51/0x1e0
[  294.945718][ T6537]  vfs_get_tree+0x92/0x2a0
[  294.945744][ T6537]  do_new_mount+0x341/0xd30
[  294.945775][ T6537]  ? apparmor_capable+0x126/0x170
[  294.945807][ T6537]  ? __pfx_do_new_mount+0x10/0x10
[  294.945834][ T6537]  ? ns_capable+0x89/0xe0
[  294.945879][ T6537]  ? user_path_at+0xd4/0x160
[  294.945912][ T6537]  __se_sys_mount+0x31d/0x420
[  294.945948][ T6537]  ? __pfx___se_sys_mount+0x10/0x10
[  294.945984][ T6537]  ? __x64_sys_mount+0x20/0xc0
[  294.946012][ T6537]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.946036][ T6537]  do_syscall_64+0x15f/0xf80
[  294.946064][ T6537]  ? trace_irq_disable+0x3b/0x140
[  294.946092][ T6537]  ? clear_bhb_loop+0x40/0x90
[  294.946119][ T6537]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.946141][ T6537] RIP: 0033:0x7f422819da0a
[  294.946163][ T6537] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  294.946181][ T6537] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.946206][ T6537] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  294.946223][ T6537] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  294.946239][ T6537] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  294.946254][ T6537] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  294.946269][ T6537] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  294.946303][ T6537]  </TASK>
[  295.234872][ T6537] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.253383][ T6537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.628063][ T6540] loop1: detected capacity change from 0 to 32768
[  295.664543][ T6540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.672369][ T6540] CPU: 0 UID: 0 PID: 6540 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  295.672400][ T6540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  295.672414][ T6540] Call Trace:
[  295.672423][ T6540]  <TASK>
[  295.672432][ T6540]  dump_stack_lvl+0xe8/0x150
[  295.672471][ T6540]  sysfs_create_dir_ns+0x271/0x2a0
[  295.672505][ T6540]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.672537][ T6540]  ? do_raw_spin_unlock+0xf5/0x210
[  295.672570][ T6540]  kobject_add_internal+0x62b/0xd00
[  295.672615][ T6540]  kobject_init_and_add+0x12b/0x1a0
[  295.672661][ T6540]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.672696][ T6540]  ? __raw_spin_lock_init+0x45/0x100
[  295.672725][ T6540]  ? __init_swait_queue_head+0xa9/0x150
[  295.672756][ T6540]  gfs2_sys_fs_add+0x257/0x480
[  295.672790][ T6540]  ? is_dynamic_key+0x1ac/0x1c0
[  295.672822][ T6540]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.672866][ T6540]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.672908][ T6540]  gfs2_fill_super+0x13a7/0x21d0
[  295.672952][ T6540]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.672984][ T6540]  ? sb_set_blocksize+0x155/0x240
[  295.673012][ T6540]  ? setup_bdev_super+0x4c1/0x5b0
[  295.673039][ T6540]  get_tree_bdev_flags+0x431/0x4f0
[  295.673063][ T6540]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.673090][ T6540]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.673111][ T6540]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.673144][ T6540]  gfs2_get_tree+0x51/0x1e0
[  295.673175][ T6540]  vfs_get_tree+0x92/0x2a0
[  295.673200][ T6540]  do_new_mount+0x341/0xd30
[  295.673227][ T6540]  ? apparmor_capable+0x126/0x170
[  295.673260][ T6540]  ? __pfx_do_new_mount+0x10/0x10
[  295.673289][ T6540]  ? ns_capable+0x89/0xe0
[  295.673334][ T6540]  ? user_path_at+0xd4/0x160
[  295.673368][ T6540]  __se_sys_mount+0x31d/0x420
[  295.673406][ T6540]  ? __pfx___se_sys_mount+0x10/0x10
[  295.673441][ T6540]  ? __x64_sys_mount+0x20/0xc0
[  295.673469][ T6540]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.673493][ T6540]  do_syscall_64+0x15f/0xf80
[  295.673521][ T6540]  ? trace_irq_disable+0x3b/0x140
[  295.673554][ T6540]  ? clear_bhb_loop+0x40/0x90
[  295.673581][ T6540]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.673603][ T6540] RIP: 0033:0x7f422819da0a
[  295.673625][ T6540] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  295.673651][ T6540] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.673673][ T6540] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  295.673690][ T6540] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  295.673706][ T6540] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  295.673720][ T6540] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  295.673735][ T6540] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  295.673767][ T6540]  </TASK>
[  295.673819][ T6540] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.977908][ T6540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.393584][ T6543] loop1: detected capacity change from 0 to 32768
[  296.411949][ T6543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.424426][ T6543] CPU: 1 UID: 0 PID: 6543 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  296.424457][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  296.424472][ T6543] Call Trace:
[  296.424482][ T6543]  <TASK>
[  296.424491][ T6543]  dump_stack_lvl+0xe8/0x150
[  296.424531][ T6543]  sysfs_create_dir_ns+0x271/0x2a0
[  296.424565][ T6543]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  296.424597][ T6543]  ? do_raw_spin_unlock+0xf5/0x210
[  296.424642][ T6543]  kobject_add_internal+0x62b/0xd00
[  296.424685][ T6543]  kobject_init_and_add+0x12b/0x1a0
[  296.424725][ T6543]  ? __pfx_kobject_init_and_add+0x10/0x10
[  296.424759][ T6543]  ? __raw_spin_lock_init+0x45/0x100
[  296.424788][ T6543]  ? __init_swait_queue_head+0xa9/0x150
[  296.424818][ T6543]  gfs2_sys_fs_add+0x257/0x480
[  296.424852][ T6543]  ? is_dynamic_key+0x1ac/0x1c0
[  296.424885][ T6543]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  296.424929][ T6543]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  296.424970][ T6543]  gfs2_fill_super+0x13a7/0x21d0
[  296.425014][ T6543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.425047][ T6543]  ? sb_set_blocksize+0x155/0x240
[  296.425076][ T6543]  ? setup_bdev_super+0x4c1/0x5b0
[  296.425102][ T6543]  get_tree_bdev_flags+0x431/0x4f0
[  296.425127][ T6543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.425154][ T6543]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  296.425173][ T6543]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  296.425207][ T6543]  gfs2_get_tree+0x51/0x1e0
[  296.425238][ T6543]  vfs_get_tree+0x92/0x2a0
[  296.425263][ T6543]  do_new_mount+0x341/0xd30
[  296.425290][ T6543]  ? apparmor_capable+0x126/0x170
[  296.425324][ T6543]  ? __pfx_do_new_mount+0x10/0x10
[  296.425352][ T6543]  ? ns_capable+0x89/0xe0
[  296.425397][ T6543]  ? user_path_at+0xd4/0x160
[  296.425432][ T6543]  __se_sys_mount+0x31d/0x420
[  296.425469][ T6543]  ? __pfx___se_sys_mount+0x10/0x10
[  296.425504][ T6543]  ? __x64_sys_mount+0x20/0xc0
[  296.425533][ T6543]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.425558][ T6543]  do_syscall_64+0x15f/0xf80
[  296.425585][ T6543]  ? trace_irq_disable+0x3b/0x140
[  296.425613][ T6543]  ? clear_bhb_loop+0x40/0x90
[  296.425649][ T6543]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.425671][ T6543] RIP: 0033:0x7f422819da0a
[  296.425693][ T6543] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  296.425713][ T6543] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.425737][ T6543] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  296.425753][ T6543] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  296.425775][ T6543] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  296.425789][ T6543] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  296.425803][ T6543] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  296.425836][ T6543]  </TASK>
[  296.715703][ T6543] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.729787][ T6543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.116549][ T6546] loop1: detected capacity change from 0 to 32768
[  297.137285][ T6546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.144787][ T6546] CPU: 0 UID: 0 PID: 6546 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  297.144817][ T6546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  297.144832][ T6546] Call Trace:
[  297.144842][ T6546]  <TASK>
[  297.144851][ T6546]  dump_stack_lvl+0xe8/0x150
[  297.144892][ T6546]  sysfs_create_dir_ns+0x271/0x2a0
[  297.144926][ T6546]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.144959][ T6546]  ? do_raw_spin_unlock+0xf5/0x210
[  297.144993][ T6546]  kobject_add_internal+0x62b/0xd00
[  297.145035][ T6546]  kobject_init_and_add+0x12b/0x1a0
[  297.145074][ T6546]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.145109][ T6546]  ? __raw_spin_lock_init+0x45/0x100
[  297.145137][ T6546]  ? __init_swait_queue_head+0xa9/0x150
[  297.145167][ T6546]  gfs2_sys_fs_add+0x257/0x480
[  297.145201][ T6546]  ? is_dynamic_key+0x1ac/0x1c0
[  297.145234][ T6546]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.145277][ T6546]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.145319][ T6546]  gfs2_fill_super+0x13a7/0x21d0
[  297.145363][ T6546]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.145396][ T6546]  ? sb_set_blocksize+0x155/0x240
[  297.145424][ T6546]  ? setup_bdev_super+0x4c1/0x5b0
[  297.145451][ T6546]  get_tree_bdev_flags+0x431/0x4f0
[  297.145475][ T6546]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.145502][ T6546]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.145533][ T6546]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.145567][ T6546]  gfs2_get_tree+0x51/0x1e0
[  297.145598][ T6546]  vfs_get_tree+0x92/0x2a0
[  297.145623][ T6546]  do_new_mount+0x341/0xd30
[  297.145650][ T6546]  ? apparmor_capable+0x126/0x170
[  297.145683][ T6546]  ? __pfx_do_new_mount+0x10/0x10
[  297.145712][ T6546]  ? ns_capable+0x89/0xe0
[  297.145756][ T6546]  ? user_path_at+0xd4/0x160
[  297.145795][ T6546]  __se_sys_mount+0x31d/0x420
[  297.145831][ T6546]  ? __pfx___se_sys_mount+0x10/0x10
[  297.145867][ T6546]  ? __x64_sys_mount+0x20/0xc0
[  297.145895][ T6546]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.145919][ T6546]  do_syscall_64+0x15f/0xf80
[  297.145947][ T6546]  ? trace_irq_disable+0x3b/0x140
[  297.145975][ T6546]  ? clear_bhb_loop+0x40/0x90
[  297.146002][ T6546]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.146023][ T6546] RIP: 0033:0x7f422819da0a
[  297.146045][ T6546] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  297.146064][ T6546] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.146088][ T6546] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  297.146104][ T6546] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  297.146120][ T6546] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  297.146136][ T6546] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  297.146150][ T6546] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  297.146185][ T6546]  </TASK>
[  297.433799][ T6546] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.448113][ T6546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.851797][ T6549] loop1: detected capacity change from 0 to 32768
[  297.864288][ T6549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.878650][ T6549] CPU: 0 UID: 0 PID: 6549 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  297.878680][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  297.878695][ T6549] Call Trace:
[  297.878704][ T6549]  <TASK>
[  297.878713][ T6549]  dump_stack_lvl+0xe8/0x150
[  297.878753][ T6549]  sysfs_create_dir_ns+0x271/0x2a0
[  297.878786][ T6549]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.878819][ T6549]  ? do_raw_spin_unlock+0xf5/0x210
[  297.878851][ T6549]  kobject_add_internal+0x62b/0xd00
[  297.878895][ T6549]  kobject_init_and_add+0x12b/0x1a0
[  297.878934][ T6549]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.878969][ T6549]  ? __raw_spin_lock_init+0x45/0x100
[  297.878997][ T6549]  ? __init_swait_queue_head+0xa9/0x150
[  297.879028][ T6549]  gfs2_sys_fs_add+0x257/0x480
[  297.879061][ T6549]  ? is_dynamic_key+0x1ac/0x1c0
[  297.879094][ T6549]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.879138][ T6549]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.879180][ T6549]  gfs2_fill_super+0x13a7/0x21d0
[  297.879235][ T6549]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.879269][ T6549]  ? sb_set_blocksize+0x155/0x240
[  297.879297][ T6549]  ? setup_bdev_super+0x4c1/0x5b0
[  297.879324][ T6549]  get_tree_bdev_flags+0x431/0x4f0
[  297.879348][ T6549]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.879375][ T6549]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.879396][ T6549]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.879429][ T6549]  gfs2_get_tree+0x51/0x1e0
[  297.879460][ T6549]  vfs_get_tree+0x92/0x2a0
[  297.879487][ T6549]  do_new_mount+0x341/0xd30
[  297.879514][ T6549]  ? apparmor_capable+0x126/0x170
[  297.879547][ T6549]  ? __pfx_do_new_mount+0x10/0x10
[  297.879576][ T6549]  ? ns_capable+0x89/0xe0
[  297.879620][ T6549]  ? user_path_at+0xd4/0x160
[  297.879655][ T6549]  __se_sys_mount+0x31d/0x420
[  297.879692][ T6549]  ? __pfx___se_sys_mount+0x10/0x10
[  297.879728][ T6549]  ? __x64_sys_mount+0x20/0xc0
[  297.879755][ T6549]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.879779][ T6549]  do_syscall_64+0x15f/0xf80
[  297.879812][ T6549]  ? trace_irq_disable+0x3b/0x140
[  297.879840][ T6549]  ? clear_bhb_loop+0x40/0x90
[  297.879866][ T6549]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.879889][ T6549] RIP: 0033:0x7f422819da0a
[  297.879910][ T6549] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  297.879929][ T6549] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.879953][ T6549] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  297.879970][ T6549] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  297.879985][ T6549] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  297.880001][ T6549] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  297.880015][ T6549] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  297.880050][ T6549]  </TASK>
[  297.880179][ T6549] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.186193][ T6549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.550482][ T6552] loop1: detected capacity change from 0 to 32768
[  298.564944][ T6552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.575208][ T6552] CPU: 1 UID: 0 PID: 6552 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  298.575236][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  298.575251][ T6552] Call Trace:
[  298.575260][ T6552]  <TASK>
[  298.575270][ T6552]  dump_stack_lvl+0xe8/0x150
[  298.575310][ T6552]  sysfs_create_dir_ns+0x271/0x2a0
[  298.575344][ T6552]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  298.575376][ T6552]  ? do_raw_spin_unlock+0xf5/0x210
[  298.575413][ T6552]  kobject_add_internal+0x62b/0xd00
[  298.575455][ T6552]  kobject_init_and_add+0x12b/0x1a0
[  298.575494][ T6552]  ? __pfx_kobject_init_and_add+0x10/0x10
[  298.575528][ T6552]  ? __raw_spin_lock_init+0x45/0x100
[  298.575557][ T6552]  ? __init_swait_queue_head+0xa9/0x150
[  298.575587][ T6552]  gfs2_sys_fs_add+0x257/0x480
[  298.575620][ T6552]  ? is_dynamic_key+0x1ac/0x1c0
[  298.575653][ T6552]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  298.575697][ T6552]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  298.575739][ T6552]  gfs2_fill_super+0x13a7/0x21d0
[  298.575782][ T6552]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.575814][ T6552]  ? sb_set_blocksize+0x155/0x240
[  298.575842][ T6552]  ? setup_bdev_super+0x4c1/0x5b0
[  298.575868][ T6552]  get_tree_bdev_flags+0x431/0x4f0
[  298.575892][ T6552]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.575918][ T6552]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  298.575939][ T6552]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  298.575973][ T6552]  gfs2_get_tree+0x51/0x1e0
[  298.576004][ T6552]  vfs_get_tree+0x92/0x2a0
[  298.576030][ T6552]  do_new_mount+0x341/0xd30
[  298.576057][ T6552]  ? apparmor_capable+0x126/0x170
[  298.576090][ T6552]  ? __pfx_do_new_mount+0x10/0x10
[  298.576119][ T6552]  ? ns_capable+0x89/0xe0
[  298.576171][ T6552]  ? user_path_at+0xd4/0x160
[  298.576207][ T6552]  __se_sys_mount+0x31d/0x420
[  298.576243][ T6552]  ? __pfx___se_sys_mount+0x10/0x10
[  298.576279][ T6552]  ? __x64_sys_mount+0x20/0xc0
[  298.576307][ T6552]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.576331][ T6552]  do_syscall_64+0x15f/0xf80
[  298.576359][ T6552]  ? trace_irq_disable+0x3b/0x140
[  298.576387][ T6552]  ? clear_bhb_loop+0x40/0x90
[  298.576414][ T6552]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.576436][ T6552] RIP: 0033:0x7f422819da0a
[  298.576457][ T6552] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  298.576476][ T6552] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.576499][ T6552] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  298.576515][ T6552] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  298.576531][ T6552] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  298.576545][ T6552] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  298.576560][ T6552] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  298.576594][ T6552]  </TASK>
[  298.866567][ T6552] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.880588][ T6552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.924510][   T51] Bluetooth: hci1: command 0x0406 tx timeout
2026/03/28 16:33:15 executed programs: 170
[  299.296978][ T6556] loop1: detected capacity change from 0 to 32768
[  299.322819][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.330567][ T6556] CPU: 1 UID: 0 PID: 6556 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  299.330593][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  299.330605][ T6556] Call Trace:
[  299.330612][ T6556]  <TASK>
[  299.330620][ T6556]  dump_stack_lvl+0xe8/0x150
[  299.330654][ T6556]  sysfs_create_dir_ns+0x271/0x2a0
[  299.330681][ T6556]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.330708][ T6556]  ? do_raw_spin_unlock+0xf5/0x210
[  299.330735][ T6556]  kobject_add_internal+0x62b/0xd00
[  299.330769][ T6556]  kobject_init_and_add+0x12b/0x1a0
[  299.330801][ T6556]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.330829][ T6556]  ? __raw_spin_lock_init+0x45/0x100
[  299.330853][ T6556]  ? __init_swait_queue_head+0xa9/0x150
[  299.330877][ T6556]  gfs2_sys_fs_add+0x257/0x480
[  299.330905][ T6556]  ? is_dynamic_key+0x1ac/0x1c0
[  299.330932][ T6556]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.330966][ T6556]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.330999][ T6556]  gfs2_fill_super+0x13a7/0x21d0
[  299.331034][ T6556]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.331060][ T6556]  ? sb_set_blocksize+0x155/0x240
[  299.331083][ T6556]  ? setup_bdev_super+0x4c1/0x5b0
[  299.331104][ T6556]  get_tree_bdev_flags+0x431/0x4f0
[  299.331131][ T6556]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.331153][ T6556]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.331169][ T6556]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.331196][ T6556]  gfs2_get_tree+0x51/0x1e0
[  299.331220][ T6556]  vfs_get_tree+0x92/0x2a0
[  299.331240][ T6556]  do_new_mount+0x341/0xd30
[  299.331262][ T6556]  ? apparmor_capable+0x126/0x170
[  299.331289][ T6556]  ? __pfx_do_new_mount+0x10/0x10
[  299.331312][ T6556]  ? ns_capable+0x89/0xe0
[  299.331347][ T6556]  ? user_path_at+0xd4/0x160
[  299.331377][ T6556]  __se_sys_mount+0x31d/0x420
[  299.331406][ T6556]  ? __pfx___se_sys_mount+0x10/0x10
[  299.331435][ T6556]  ? __x64_sys_mount+0x20/0xc0
[  299.331458][ T6556]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.331478][ T6556]  do_syscall_64+0x15f/0xf80
[  299.331501][ T6556]  ? trace_irq_disable+0x3b/0x140
[  299.331523][ T6556]  ? clear_bhb_loop+0x40/0x90
[  299.331545][ T6556]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.331562][ T6556] RIP: 0033:0x7f422819da0a
[  299.331579][ T6556] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  299.331595][ T6556] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.331614][ T6556] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  299.331627][ T6556] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  299.331640][ T6556] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  299.331652][ T6556] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  299.331664][ T6556] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  299.331691][ T6556]  </TASK>
[  299.331719][ T6556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.638576][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.018155][ T6559] loop1: detected capacity change from 0 to 32768
[  300.029115][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.036863][ T6559] CPU: 0 UID: 0 PID: 6559 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  300.036894][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  300.036909][ T6559] Call Trace:
[  300.036919][ T6559]  <TASK>
[  300.036928][ T6559]  dump_stack_lvl+0xe8/0x150
[  300.036969][ T6559]  sysfs_create_dir_ns+0x271/0x2a0
[  300.037004][ T6559]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.037036][ T6559]  ? do_raw_spin_unlock+0xf5/0x210
[  300.037069][ T6559]  kobject_add_internal+0x62b/0xd00
[  300.037110][ T6559]  kobject_init_and_add+0x12b/0x1a0
[  300.037158][ T6559]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.037191][ T6559]  ? __raw_spin_lock_init+0x45/0x100
[  300.037218][ T6559]  ? __init_swait_queue_head+0xa9/0x150
[  300.037248][ T6559]  gfs2_sys_fs_add+0x257/0x480
[  300.037280][ T6559]  ? is_dynamic_key+0x1ac/0x1c0
[  300.037313][ T6559]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.037355][ T6559]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.037396][ T6559]  gfs2_fill_super+0x13a7/0x21d0
[  300.037439][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.037472][ T6559]  ? sb_set_blocksize+0x155/0x240
[  300.037500][ T6559]  ? setup_bdev_super+0x4c1/0x5b0
[  300.037526][ T6559]  get_tree_bdev_flags+0x431/0x4f0
[  300.037549][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.037576][ T6559]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.037596][ T6559]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.037629][ T6559]  gfs2_get_tree+0x51/0x1e0
[  300.037659][ T6559]  vfs_get_tree+0x92/0x2a0
[  300.037685][ T6559]  do_new_mount+0x341/0xd30
[  300.037711][ T6559]  ? apparmor_capable+0x126/0x170
[  300.037744][ T6559]  ? __pfx_do_new_mount+0x10/0x10
[  300.037772][ T6559]  ? ns_capable+0x89/0xe0
[  300.037816][ T6559]  ? user_path_at+0xd4/0x160
[  300.037850][ T6559]  __se_sys_mount+0x31d/0x420
[  300.037886][ T6559]  ? __pfx___se_sys_mount+0x10/0x10
[  300.037922][ T6559]  ? __x64_sys_mount+0x20/0xc0
[  300.037950][ T6559]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.037975][ T6559]  do_syscall_64+0x15f/0xf80
[  300.038003][ T6559]  ? trace_irq_disable+0x3b/0x140
[  300.038030][ T6559]  ? clear_bhb_loop+0x40/0x90
[  300.038059][ T6559]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.038081][ T6559] RIP: 0033:0x7f422819da0a
[  300.038102][ T6559] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  300.038131][ T6559] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.038159][ T6559] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  300.038176][ T6559] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  300.038192][ T6559] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  300.038207][ T6559] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  300.038222][ T6559] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  300.038257][ T6559]  </TASK>
[  300.038313][ T6559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.343149][ T6559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.757486][ T6562] loop1: detected capacity change from 0 to 32768
[  300.768284][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.775879][ T6562] CPU: 1 UID: 0 PID: 6562 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  300.775909][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  300.775922][ T6562] Call Trace:
[  300.775931][ T6562]  <TASK>
[  300.775941][ T6562]  dump_stack_lvl+0xe8/0x150
[  300.775982][ T6562]  sysfs_create_dir_ns+0x271/0x2a0
[  300.776015][ T6562]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.776047][ T6562]  ? do_raw_spin_unlock+0xf5/0x210
[  300.776080][ T6562]  kobject_add_internal+0x62b/0xd00
[  300.776123][ T6562]  kobject_init_and_add+0x12b/0x1a0
[  300.776162][ T6562]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.776196][ T6562]  ? __raw_spin_lock_init+0x45/0x100
[  300.776225][ T6562]  ? __init_swait_queue_head+0xa9/0x150
[  300.776256][ T6562]  gfs2_sys_fs_add+0x257/0x480
[  300.776298][ T6562]  ? is_dynamic_key+0x1ac/0x1c0
[  300.776330][ T6562]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.776373][ T6562]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.776414][ T6562]  gfs2_fill_super+0x13a7/0x21d0
[  300.776459][ T6562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.776492][ T6562]  ? sb_set_blocksize+0x155/0x240
[  300.776519][ T6562]  ? setup_bdev_super+0x4c1/0x5b0
[  300.776545][ T6562]  get_tree_bdev_flags+0x431/0x4f0
[  300.776569][ T6562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.776595][ T6562]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.776616][ T6562]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.776650][ T6562]  gfs2_get_tree+0x51/0x1e0
[  300.776681][ T6562]  vfs_get_tree+0x92/0x2a0
[  300.776707][ T6562]  do_new_mount+0x341/0xd30
[  300.776733][ T6562]  ? apparmor_capable+0x126/0x170
[  300.776767][ T6562]  ? __pfx_do_new_mount+0x10/0x10
[  300.776796][ T6562]  ? ns_capable+0x89/0xe0
[  300.776838][ T6562]  ? user_path_at+0xd4/0x160
[  300.776871][ T6562]  __se_sys_mount+0x31d/0x420
[  300.776907][ T6562]  ? __pfx___se_sys_mount+0x10/0x10
[  300.776943][ T6562]  ? __x64_sys_mount+0x20/0xc0
[  300.776971][ T6562]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.776994][ T6562]  do_syscall_64+0x15f/0xf80
[  300.777023][ T6562]  ? trace_irq_disable+0x3b/0x140
[  300.777049][ T6562]  ? clear_bhb_loop+0x40/0x90
[  300.777076][ T6562]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.777097][ T6562] RIP: 0033:0x7f422819da0a
[  300.777118][ T6562] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  300.777137][ T6562] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.777161][ T6562] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  300.777178][ T6562] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  300.777194][ T6562] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  300.777213][ T6562] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  300.777228][ T6562] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  300.777268][ T6562]  </TASK>
[  300.777324][ T6562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.082001][ T6562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.492793][ T6565] loop1: detected capacity change from 0 to 32768
[  301.507785][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.520519][ T6565] CPU: 0 UID: 0 PID: 6565 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  301.520548][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  301.520562][ T6565] Call Trace:
[  301.520572][ T6565]  <TASK>
[  301.520582][ T6565]  dump_stack_lvl+0xe8/0x150
[  301.520621][ T6565]  sysfs_create_dir_ns+0x271/0x2a0
[  301.520655][ T6565]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.520687][ T6565]  ? do_raw_spin_unlock+0xf5/0x210
[  301.520719][ T6565]  kobject_add_internal+0x62b/0xd00
[  301.520761][ T6565]  kobject_init_and_add+0x12b/0x1a0
[  301.520801][ T6565]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.520835][ T6565]  ? __raw_spin_lock_init+0x45/0x100
[  301.520864][ T6565]  ? __init_swait_queue_head+0xa9/0x150
[  301.520895][ T6565]  gfs2_sys_fs_add+0x257/0x480
[  301.520928][ T6565]  ? is_dynamic_key+0x1ac/0x1c0
[  301.520960][ T6565]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.521002][ T6565]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.521043][ T6565]  gfs2_fill_super+0x13a7/0x21d0
[  301.521087][ T6565]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.521119][ T6565]  ? sb_set_blocksize+0x155/0x240
[  301.521147][ T6565]  ? setup_bdev_super+0x4c1/0x5b0
[  301.521174][ T6565]  get_tree_bdev_flags+0x431/0x4f0
[  301.521197][ T6565]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.521232][ T6565]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.521252][ T6565]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.521285][ T6565]  gfs2_get_tree+0x51/0x1e0
[  301.521316][ T6565]  vfs_get_tree+0x92/0x2a0
[  301.521342][ T6565]  do_new_mount+0x341/0xd30
[  301.521369][ T6565]  ? apparmor_capable+0x126/0x170
[  301.521402][ T6565]  ? __pfx_do_new_mount+0x10/0x10
[  301.521432][ T6565]  ? ns_capable+0x89/0xe0
[  301.521476][ T6565]  ? user_path_at+0xd4/0x160
[  301.521511][ T6565]  __se_sys_mount+0x31d/0x420
[  301.521546][ T6565]  ? __pfx___se_sys_mount+0x10/0x10
[  301.521582][ T6565]  ? __x64_sys_mount+0x20/0xc0
[  301.521609][ T6565]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.521634][ T6565]  do_syscall_64+0x15f/0xf80
[  301.521662][ T6565]  ? trace_irq_disable+0x3b/0x140
[  301.521689][ T6565]  ? clear_bhb_loop+0x40/0x90
[  301.521716][ T6565]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.521737][ T6565] RIP: 0033:0x7f422819da0a
[  301.521758][ T6565] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  301.521777][ T6565] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.521800][ T6565] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  301.521817][ T6565] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  301.521832][ T6565] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  301.521848][ T6565] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  301.521862][ T6565] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  301.521901][ T6565]  </TASK>
[  301.521959][ T6565] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.827427][ T6565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.217186][ T6568] loop1: detected capacity change from 0 to 32768
[  302.228402][ T6568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.237664][ T6568] CPU: 0 UID: 0 PID: 6568 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  302.237692][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  302.237706][ T6568] Call Trace:
[  302.237715][ T6568]  <TASK>
[  302.237726][ T6568]  dump_stack_lvl+0xe8/0x150
[  302.237765][ T6568]  sysfs_create_dir_ns+0x271/0x2a0
[  302.237798][ T6568]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.237831][ T6568]  ? do_raw_spin_unlock+0xf5/0x210
[  302.237864][ T6568]  kobject_add_internal+0x62b/0xd00
[  302.237907][ T6568]  kobject_init_and_add+0x12b/0x1a0
[  302.237958][ T6568]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.237993][ T6568]  ? __raw_spin_lock_init+0x45/0x100
[  302.238022][ T6568]  ? __init_swait_queue_head+0xa9/0x150
[  302.238052][ T6568]  gfs2_sys_fs_add+0x257/0x480
[  302.238086][ T6568]  ? is_dynamic_key+0x1ac/0x1c0
[  302.238119][ T6568]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.238162][ T6568]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.238202][ T6568]  gfs2_fill_super+0x13a7/0x21d0
[  302.238245][ T6568]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.238278][ T6568]  ? sb_set_blocksize+0x155/0x240
[  302.238306][ T6568]  ? setup_bdev_super+0x4c1/0x5b0
[  302.238332][ T6568]  get_tree_bdev_flags+0x431/0x4f0
[  302.238356][ T6568]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.238382][ T6568]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.238402][ T6568]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.238436][ T6568]  gfs2_get_tree+0x51/0x1e0
[  302.238467][ T6568]  vfs_get_tree+0x92/0x2a0
[  302.238492][ T6568]  do_new_mount+0x341/0xd30
[  302.238519][ T6568]  ? apparmor_capable+0x126/0x170
[  302.238553][ T6568]  ? __pfx_do_new_mount+0x10/0x10
[  302.238582][ T6568]  ? ns_capable+0x89/0xe0
[  302.238627][ T6568]  ? user_path_at+0xd4/0x160
[  302.238661][ T6568]  __se_sys_mount+0x31d/0x420
[  302.238697][ T6568]  ? __pfx___se_sys_mount+0x10/0x10
[  302.238734][ T6568]  ? __x64_sys_mount+0x20/0xc0
[  302.238762][ T6568]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.238787][ T6568]  do_syscall_64+0x15f/0xf80
[  302.238815][ T6568]  ? trace_irq_disable+0x3b/0x140
[  302.238843][ T6568]  ? clear_bhb_loop+0x40/0x90
[  302.238870][ T6568]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.238892][ T6568] RIP: 0033:0x7f422819da0a
[  302.238913][ T6568] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  302.238933][ T6568] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.238964][ T6568] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  302.238981][ T6568] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  302.238997][ T6568] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  302.239012][ T6568] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  302.239026][ T6568] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  302.239061][ T6568]  </TASK>
[  302.239685][ T6568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.544473][ T6568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.917930][ T6571] loop1: detected capacity change from 0 to 32768
[  302.931305][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.940420][ T6571] CPU: 1 UID: 0 PID: 6571 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  302.940449][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  302.940463][ T6571] Call Trace:
[  302.940472][ T6571]  <TASK>
[  302.940481][ T6571]  dump_stack_lvl+0xe8/0x150
[  302.940521][ T6571]  sysfs_create_dir_ns+0x271/0x2a0
[  302.940555][ T6571]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.940588][ T6571]  ? do_raw_spin_unlock+0xf5/0x210
[  302.940621][ T6571]  kobject_add_internal+0x62b/0xd00
[  302.940664][ T6571]  kobject_init_and_add+0x12b/0x1a0
[  302.940704][ T6571]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.940738][ T6571]  ? __raw_spin_lock_init+0x45/0x100
[  302.940767][ T6571]  ? __init_swait_queue_head+0xa9/0x150
[  302.940797][ T6571]  gfs2_sys_fs_add+0x257/0x480
[  302.940836][ T6571]  ? is_dynamic_key+0x1ac/0x1c0
[  302.940869][ T6571]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.940912][ T6571]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.940954][ T6571]  gfs2_fill_super+0x13a7/0x21d0
[  302.940999][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.941032][ T6571]  ? sb_set_blocksize+0x155/0x240
[  302.941060][ T6571]  ? setup_bdev_super+0x4c1/0x5b0
[  302.941093][ T6571]  get_tree_bdev_flags+0x431/0x4f0
[  302.941118][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.941144][ T6571]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.941164][ T6571]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.941197][ T6571]  gfs2_get_tree+0x51/0x1e0
[  302.941226][ T6571]  vfs_get_tree+0x92/0x2a0
[  302.941250][ T6571]  do_new_mount+0x341/0xd30
[  302.941275][ T6571]  ? apparmor_capable+0x126/0x170
[  302.941309][ T6571]  ? __pfx_do_new_mount+0x10/0x10
[  302.941338][ T6571]  ? ns_capable+0x89/0xe0
[  302.941382][ T6571]  ? user_path_at+0xd4/0x160
[  302.941417][ T6571]  __se_sys_mount+0x31d/0x420
[  302.941452][ T6571]  ? __pfx___se_sys_mount+0x10/0x10
[  302.941487][ T6571]  ? __x64_sys_mount+0x20/0xc0
[  302.941515][ T6571]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.941539][ T6571]  do_syscall_64+0x15f/0xf80
[  302.941566][ T6571]  ? trace_irq_disable+0x3b/0x140
[  302.941593][ T6571]  ? clear_bhb_loop+0x40/0x90
[  302.941619][ T6571]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.941639][ T6571] RIP: 0033:0x7f422819da0a
[  302.941661][ T6571] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  302.941680][ T6571] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.941702][ T6571] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  302.941718][ T6571] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  302.941734][ T6571] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  302.941748][ T6571] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  302.941763][ T6571] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  302.941797][ T6571]  </TASK>
[  302.942444][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.253271][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.611895][ T6574] loop1: detected capacity change from 0 to 32768
[  303.624962][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.633669][ T6574] CPU: 1 UID: 0 PID: 6574 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  303.633699][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  303.633713][ T6574] Call Trace:
[  303.633723][ T6574]  <TASK>
[  303.633732][ T6574]  dump_stack_lvl+0xe8/0x150
[  303.633772][ T6574]  sysfs_create_dir_ns+0x271/0x2a0
[  303.633817][ T6574]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.633849][ T6574]  ? do_raw_spin_unlock+0xf5/0x210
[  303.633882][ T6574]  kobject_add_internal+0x62b/0xd00
[  303.633925][ T6574]  kobject_init_and_add+0x12b/0x1a0
[  303.633969][ T6574]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.634004][ T6574]  ? __raw_spin_lock_init+0x45/0x100
[  303.634032][ T6574]  ? __init_swait_queue_head+0xa9/0x150
[  303.634062][ T6574]  gfs2_sys_fs_add+0x257/0x480
[  303.634096][ T6574]  ? is_dynamic_key+0x1ac/0x1c0
[  303.634129][ T6574]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.634172][ T6574]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.634214][ T6574]  gfs2_fill_super+0x13a7/0x21d0
[  303.634258][ T6574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.634290][ T6574]  ? sb_set_blocksize+0x155/0x240
[  303.634318][ T6574]  ? setup_bdev_super+0x4c1/0x5b0
[  303.634343][ T6574]  get_tree_bdev_flags+0x431/0x4f0
[  303.634366][ T6574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.634394][ T6574]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.634413][ T6574]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.634444][ T6574]  gfs2_get_tree+0x51/0x1e0
[  303.634473][ T6574]  vfs_get_tree+0x92/0x2a0
[  303.634497][ T6574]  do_new_mount+0x341/0xd30
[  303.634524][ T6574]  ? apparmor_capable+0x126/0x170
[  303.634558][ T6574]  ? __pfx_do_new_mount+0x10/0x10
[  303.634587][ T6574]  ? ns_capable+0x89/0xe0
[  303.634631][ T6574]  ? user_path_at+0xd4/0x160
[  303.634689][ T6574]  __se_sys_mount+0x31d/0x420
[  303.634726][ T6574]  ? __pfx___se_sys_mount+0x10/0x10
[  303.634762][ T6574]  ? __x64_sys_mount+0x20/0xc0
[  303.634838][ T6574]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.634863][ T6574]  do_syscall_64+0x15f/0xf80
[  303.634891][ T6574]  ? trace_irq_disable+0x3b/0x140
[  303.634919][ T6574]  ? clear_bhb_loop+0x40/0x90
[  303.634945][ T6574]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.634968][ T6574] RIP: 0033:0x7f422819da0a
[  303.634989][ T6574] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  303.635009][ T6574] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.635031][ T6574] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  303.635048][ T6574] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  303.635064][ T6574] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  303.635078][ T6574] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  303.635093][ T6574] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  303.635128][ T6574]  </TASK>
[  303.925466][ T6574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.939840][ T6574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.318238][ T6577] loop1: detected capacity change from 0 to 32768
[  304.342257][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.350029][ T6577] CPU: 1 UID: 0 PID: 6577 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  304.350058][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  304.350072][ T6577] Call Trace:
[  304.350081][ T6577]  <TASK>
[  304.350091][ T6577]  dump_stack_lvl+0xe8/0x150
[  304.350130][ T6577]  sysfs_create_dir_ns+0x271/0x2a0
[  304.350164][ T6577]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.350195][ T6577]  ? do_raw_spin_unlock+0xf5/0x210
[  304.350226][ T6577]  kobject_add_internal+0x62b/0xd00
[  304.350267][ T6577]  kobject_init_and_add+0x12b/0x1a0
[  304.350306][ T6577]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.350339][ T6577]  ? __raw_spin_lock_init+0x45/0x100
[  304.350367][ T6577]  ? __init_swait_queue_head+0xa9/0x150
[  304.350396][ T6577]  gfs2_sys_fs_add+0x257/0x480
[  304.350429][ T6577]  ? is_dynamic_key+0x1ac/0x1c0
[  304.350461][ T6577]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.350502][ T6577]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.350542][ T6577]  gfs2_fill_super+0x13a7/0x21d0
[  304.350584][ T6577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.350615][ T6577]  ? sb_set_blocksize+0x155/0x240
[  304.350642][ T6577]  ? setup_bdev_super+0x4c1/0x5b0
[  304.350667][ T6577]  get_tree_bdev_flags+0x431/0x4f0
[  304.350690][ T6577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.350717][ T6577]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.350736][ T6577]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.350768][ T6577]  gfs2_get_tree+0x51/0x1e0
[  304.350805][ T6577]  vfs_get_tree+0x92/0x2a0
[  304.350830][ T6577]  do_new_mount+0x341/0xd30
[  304.350856][ T6577]  ? apparmor_capable+0x126/0x170
[  304.350888][ T6577]  ? __pfx_do_new_mount+0x10/0x10
[  304.350916][ T6577]  ? ns_capable+0x89/0xe0
[  304.350959][ T6577]  ? user_path_at+0xd4/0x160
[  304.350992][ T6577]  __se_sys_mount+0x31d/0x420
[  304.351026][ T6577]  ? __pfx___se_sys_mount+0x10/0x10
[  304.351062][ T6577]  ? __x64_sys_mount+0x20/0xc0
[  304.351090][ T6577]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.351114][ T6577]  do_syscall_64+0x15f/0xf80
[  304.351140][ T6577]  ? trace_irq_disable+0x3b/0x140
[  304.351166][ T6577]  ? clear_bhb_loop+0x40/0x90
[  304.351192][ T6577]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.351213][ T6577] RIP: 0033:0x7f422819da0a
[  304.351234][ T6577] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  304.351252][ T6577] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.351274][ T6577] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  304.351291][ T6577] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  304.351306][ T6577] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  304.351321][ T6577] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  304.351335][ T6577] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  304.351368][ T6577]  </TASK>
[  304.351411][ T6577] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.659781][ T6577] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/28 16:33:21 executed programs: 178
[  305.028435][ T6580] loop1: detected capacity change from 0 to 32768
[  305.046050][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.057498][ T6580] CPU: 0 UID: 0 PID: 6580 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  305.057527][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  305.057542][ T6580] Call Trace:
[  305.057551][ T6580]  <TASK>
[  305.057561][ T6580]  dump_stack_lvl+0xe8/0x150
[  305.057601][ T6580]  sysfs_create_dir_ns+0x271/0x2a0
[  305.057636][ T6580]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  305.057668][ T6580]  ? do_raw_spin_unlock+0xf5/0x210
[  305.057710][ T6580]  kobject_add_internal+0x62b/0xd00
[  305.057754][ T6580]  kobject_init_and_add+0x12b/0x1a0
[  305.057793][ T6580]  ? __pfx_kobject_init_and_add+0x10/0x10
[  305.057827][ T6580]  ? __raw_spin_lock_init+0x45/0x100
[  305.057856][ T6580]  ? __init_swait_queue_head+0xa9/0x150
[  305.057887][ T6580]  gfs2_sys_fs_add+0x257/0x480
[  305.057920][ T6580]  ? is_dynamic_key+0x1ac/0x1c0
[  305.057953][ T6580]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  305.057996][ T6580]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  305.058037][ T6580]  gfs2_fill_super+0x13a7/0x21d0
[  305.058083][ T6580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.058116][ T6580]  ? sb_set_blocksize+0x155/0x240
[  305.058144][ T6580]  ? setup_bdev_super+0x4c1/0x5b0
[  305.058171][ T6580]  get_tree_bdev_flags+0x431/0x4f0
[  305.058194][ T6580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.058221][ T6580]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  305.058241][ T6580]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  305.058275][ T6580]  gfs2_get_tree+0x51/0x1e0
[  305.058305][ T6580]  vfs_get_tree+0x92/0x2a0
[  305.058331][ T6580]  do_new_mount+0x341/0xd30
[  305.058358][ T6580]  ? apparmor_capable+0x126/0x170
[  305.058392][ T6580]  ? __pfx_do_new_mount+0x10/0x10
[  305.058420][ T6580]  ? ns_capable+0x89/0xe0
[  305.058465][ T6580]  ? user_path_at+0xd4/0x160
[  305.058500][ T6580]  __se_sys_mount+0x31d/0x420
[  305.058536][ T6580]  ? __pfx___se_sys_mount+0x10/0x10
[  305.058573][ T6580]  ? __x64_sys_mount+0x20/0xc0
[  305.058602][ T6580]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.058626][ T6580]  do_syscall_64+0x15f/0xf80
[  305.058654][ T6580]  ? trace_irq_disable+0x3b/0x140
[  305.058682][ T6580]  ? clear_bhb_loop+0x40/0x90
[  305.058719][ T6580]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.058741][ T6580] RIP: 0033:0x7f422819da0a
[  305.058762][ T6580] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  305.058782][ T6580] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.058806][ T6580] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  305.058823][ T6580] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  305.058839][ T6580] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  305.058854][ T6580] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  305.058869][ T6580] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  305.058903][ T6580]  </TASK>
[  305.059010][ T6580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  305.364350][ T6580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.723880][ T6583] loop1: detected capacity change from 0 to 32768
[  305.747618][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.756459][ T6583] CPU: 1 UID: 0 PID: 6583 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  305.756489][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  305.756503][ T6583] Call Trace:
[  305.756513][ T6583]  <TASK>
[  305.756522][ T6583]  dump_stack_lvl+0xe8/0x150
[  305.756562][ T6583]  sysfs_create_dir_ns+0x271/0x2a0
[  305.756598][ T6583]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  305.756630][ T6583]  ? do_raw_spin_unlock+0xf5/0x210
[  305.756674][ T6583]  kobject_add_internal+0x62b/0xd00
[  305.756718][ T6583]  kobject_init_and_add+0x12b/0x1a0
[  305.756757][ T6583]  ? __pfx_kobject_init_and_add+0x10/0x10
[  305.756792][ T6583]  ? __raw_spin_lock_init+0x45/0x100
[  305.756821][ T6583]  ? __init_swait_queue_head+0xa9/0x150
[  305.756853][ T6583]  gfs2_sys_fs_add+0x257/0x480
[  305.756886][ T6583]  ? is_dynamic_key+0x1ac/0x1c0
[  305.756919][ T6583]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  305.756962][ T6583]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  305.757003][ T6583]  gfs2_fill_super+0x13a7/0x21d0
[  305.757049][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.757081][ T6583]  ? sb_set_blocksize+0x155/0x240
[  305.757108][ T6583]  ? setup_bdev_super+0x4c1/0x5b0
[  305.757135][ T6583]  get_tree_bdev_flags+0x431/0x4f0
[  305.757158][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.757189][ T6583]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  305.757210][ T6583]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  305.757243][ T6583]  gfs2_get_tree+0x51/0x1e0
[  305.757274][ T6583]  vfs_get_tree+0x92/0x2a0
[  305.757300][ T6583]  do_new_mount+0x341/0xd30
[  305.757326][ T6583]  ? apparmor_capable+0x126/0x170
[  305.757359][ T6583]  ? __pfx_do_new_mount+0x10/0x10
[  305.757388][ T6583]  ? ns_capable+0x89/0xe0
[  305.757431][ T6583]  ? user_path_at+0xd4/0x160
[  305.757467][ T6583]  __se_sys_mount+0x31d/0x420
[  305.757502][ T6583]  ? __pfx___se_sys_mount+0x10/0x10
[  305.757538][ T6583]  ? __x64_sys_mount+0x20/0xc0
[  305.757566][ T6583]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.757591][ T6583]  do_syscall_64+0x15f/0xf80
[  305.757619][ T6583]  ? trace_irq_disable+0x3b/0x140
[  305.757656][ T6583]  ? clear_bhb_loop+0x40/0x90
[  305.757684][ T6583]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.757706][ T6583] RIP: 0033:0x7f422819da0a
[  305.757727][ T6583] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  305.757746][ T6583] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.757770][ T6583] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  305.757787][ T6583] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  305.757802][ T6583] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  305.757817][ T6583] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  305.757831][ T6583] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  305.757866][ T6583]  </TASK>
[  305.757978][ T6583] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.064879][ T6583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.466907][ T6586] loop1: detected capacity change from 0 to 32768
[  306.478429][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.492851][ T6586] CPU: 1 UID: 0 PID: 6586 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  306.492881][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  306.492895][ T6586] Call Trace:
[  306.492904][ T6586]  <TASK>
[  306.492914][ T6586]  dump_stack_lvl+0xe8/0x150
[  306.492966][ T6586]  sysfs_create_dir_ns+0x271/0x2a0
[  306.493000][ T6586]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  306.493032][ T6586]  ? do_raw_spin_unlock+0xf5/0x210
[  306.493064][ T6586]  kobject_add_internal+0x62b/0xd00
[  306.493108][ T6586]  kobject_init_and_add+0x12b/0x1a0
[  306.493147][ T6586]  ? __pfx_kobject_init_and_add+0x10/0x10
[  306.493181][ T6586]  ? __raw_spin_lock_init+0x45/0x100
[  306.493210][ T6586]  ? __init_swait_queue_head+0xa9/0x150
[  306.493241][ T6586]  gfs2_sys_fs_add+0x257/0x480
[  306.493275][ T6586]  ? is_dynamic_key+0x1ac/0x1c0
[  306.493308][ T6586]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  306.493351][ T6586]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  306.493392][ T6586]  gfs2_fill_super+0x13a7/0x21d0
[  306.493437][ T6586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.493470][ T6586]  ? sb_set_blocksize+0x155/0x240
[  306.493499][ T6586]  ? setup_bdev_super+0x4c1/0x5b0
[  306.493526][ T6586]  get_tree_bdev_flags+0x431/0x4f0
[  306.493549][ T6586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.493576][ T6586]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  306.493597][ T6586]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  306.493630][ T6586]  gfs2_get_tree+0x51/0x1e0
[  306.493661][ T6586]  vfs_get_tree+0x92/0x2a0
[  306.493687][ T6586]  do_new_mount+0x341/0xd30
[  306.493715][ T6586]  ? apparmor_capable+0x126/0x170
[  306.493748][ T6586]  ? __pfx_do_new_mount+0x10/0x10
[  306.493777][ T6586]  ? ns_capable+0x89/0xe0
[  306.493821][ T6586]  ? user_path_at+0xd4/0x160
[  306.493856][ T6586]  __se_sys_mount+0x31d/0x420
[  306.493892][ T6586]  ? __pfx___se_sys_mount+0x10/0x10
[  306.493937][ T6586]  ? __x64_sys_mount+0x20/0xc0
[  306.493965][ T6586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.493989][ T6586]  do_syscall_64+0x15f/0xf80
[  306.494018][ T6586]  ? trace_irq_disable+0x3b/0x140
[  306.494045][ T6586]  ? clear_bhb_loop+0x40/0x90
[  306.494072][ T6586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.494093][ T6586] RIP: 0033:0x7f422819da0a
[  306.494115][ T6586] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  306.494134][ T6586] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.494158][ T6586] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  306.494174][ T6586] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  306.494190][ T6586] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  306.494205][ T6586] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  306.494220][ T6586] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  306.494255][ T6586]  </TASK>
[  306.494285][ T6586] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.801927][ T6586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.078730][   T31] INFO: task kworker/1:3:6016 blocked in I/O wait for more than 143 seconds.
[  307.089055][   T31]       Not tainted syzkaller #0
[  307.094084][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  307.103101][   T31] task:kworker/1:3     state:D stack:25352 pid:6016  tgid:6016  ppid:2      task_flags:0x4208060 flags:0x00080000
[  307.115465][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  307.121895][   T31] Call Trace:
[  307.125220][   T31]  <TASK>
[  307.128474][   T31]  __schedule+0x165c/0x5520
[  307.133084][   T31]  ? __lock_acquire+0x6b5/0x2cf0
[  307.138177][   T31]  ? lockdep_unlock+0x5d/0xd0
[  307.143032][   T31]  ? __pfx___schedule+0x10/0x10
[  307.148054][   T31]  ? schedule+0x90/0x360
[  307.152357][   T31]  schedule+0x164/0x360
[  307.157057][   T31]  io_schedule+0x7f/0xd0
[  307.161404][   T31]  folio_wait_bit_common+0x6d8/0xbc0
[  307.166890][   T31]  ? filemap_get_entry+0xcd/0x3f0
[  307.172035][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  307.179054][   T31]  ? __submit_bio+0x28d/0x580
[  307.183832][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  307.190541][   T31]  ? __get_log_header+0x2a3/0x630
[  307.195684][   T31]  ? __filemap_get_folio_mpol+0x740/0xb00
[  307.201675][   T31]  gfs2_jhead_process_page+0x175/0x670
[  307.207354][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  307.213507][   T31]  gfs2_find_jhead+0xbd2/0xd30
[  307.218513][   T31]  gfs2_recover_func+0x6cf/0x1f60
[  307.223681][   T31]  ? unwind_next_frame+0xa6/0x2550
[  307.228928][   T31]  ? ret_from_fork_asm+0x1a/0x30
[  307.234101][   T31]  ? ret_from_fork_asm+0x1a/0x30
[  307.239289][   T31]  ? stack_trace_save+0xa9/0x100
[  307.244416][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  307.250034][   T31]  ? check_path+0x21/0x40
[  307.254434][   T31]  ? add_lock_to_list+0xc7/0x100
[  307.259632][   T31]  ? lockdep_unlock+0x5d/0xd0
[  307.264492][   T31]  ? __lock_acquire+0x146e/0x2cf0
[  307.269753][   T31]  ? process_scheduled_works+0xa70/0x1860
[  307.275585][   T31]  ? process_scheduled_works+0xa70/0x1860
[  307.281689][   T31]  ? process_scheduled_works+0xa70/0x1860
[  307.289809][   T31]  process_scheduled_works+0xb5d/0x1860
[  307.295669][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  307.302106][   T31]  ? assign_work+0x3d5/0x5e0
[  307.307140][   T31]  worker_thread+0xa53/0xfc0
[  307.311849][   T31]  kthread+0x388/0x470
[  307.316652][   T31]  ? __pfx_worker_thread+0x10/0x10
[  307.322025][   T31]  ? __pfx_kthread+0x10/0x10
[  307.327152][   T31]  ret_from_fork+0x514/0xb70
[  307.331846][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  307.338106][   T31]  ? __switch_to+0xc7d/0x1420
[  307.342877][   T31]  ? __pfx_kthread+0x10/0x10
[  307.348114][   T31]  ret_from_fork_asm+0x1a/0x30
[  307.352983][   T31]  </TASK>
[  307.356505][   T31] INFO: task syz.0.17:6018 blocked for more than 143 seconds.
[  307.364115][   T31]       Not tainted syzkaller #0
[  307.369602][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  307.378993][   T31] task:syz.0.17        state:D stack:24872 pid:6018  tgid:6018  ppid:5971   task_flags:0x400140 flags:0x00080002
[  307.392301][   T31] Call Trace:
[  307.395659][   T31]  <TASK>
[  307.402272][   T31]  __schedule+0x165c/0x5520
[  307.407242][   T31]  ? __lock_acquire+0x6b5/0x2cf0
[  307.412479][   T31]  ? wakeup_preempt_fair+0x6a1/0xa40
[  307.418139][   T31]  ? __pfx___schedule+0x10/0x10
[  307.423482][   T31]  ? schedule+0x90/0x360
[  307.428070][   T31]  schedule+0x164/0x360
[  307.432304][   T31]  bit_wait+0x11/0xd0
[  307.437564][   T31]  __wait_on_bit+0xb9/0x310
[  307.442221][   T31]  ? __pfx_bit_wait+0x10/0x10
[  307.447375][   T31]  out_of_line_wait_on_bit+0x13b/0x190
[  307.453258][   T31]  ? __pfx_bit_wait+0x10/0x10
[  307.458505][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  307.464663][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  307.470761][   T31]  gfs2_recover_journal+0xda/0x140
[  307.481764][   T31]  init_journal+0x16ad/0x2280
[  307.482706][ T6589] loop1: detected capacity change from 0 to 32768
[  307.486906][   T31]  ? init_inodes+0xdb/0x320
[  307.487331][   T31]  ? __pfx_init_journal+0x10/0x10
[  307.504498][   T31]  ? snprintf+0xe8/0x140
[  307.509199][   T31]  ? init_inodes+0xdb/0x320
[  307.513795][   T31]  ? __pfx_snprintf+0x10/0x10
[  307.519729][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  307.524996][   T31]  init_inodes+0xdb/0x320
[  307.532998][   T31]  gfs2_fill_super+0x1a38/0x21d0
[  307.540805][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.547886][   T31]  ? init_locking+0xb8/0x210
[  307.553306][ T6589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.554887][   T31]  ? sb_set_blocksize+0x155/0x240
[  307.560833][ T6589] CPU: 0 UID: 0 PID: 6589 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  307.560884][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  307.560935][ T6589] Call Trace:
[  307.560972][ T6589]  <TASK>
[  307.561013][ T6589]  dump_stack_lvl+0xe8/0x150
[  307.561121][ T6589]  sysfs_create_dir_ns+0x271/0x2a0
[  307.561213][ T6589]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  307.561297][ T6589]  ? do_raw_spin_unlock+0xf5/0x210
[  307.561382][ T6589]  kobject_add_internal+0x62b/0xd00
[  307.561509][ T6589]  kobject_init_and_add+0x12b/0x1a0
[  307.561598][ T6589]  ? __pfx_kobject_init_and_add+0x10/0x10
[  307.561686][ T6589]  ? __raw_spin_lock_init+0x45/0x100
[  307.561779][ T6589]  ? __init_swait_queue_head+0xa9/0x150
[  307.561863][ T6589]  gfs2_sys_fs_add+0x257/0x480
[  307.561950][ T6589]  ? is_dynamic_key+0x1ac/0x1c0
[  307.562035][ T6589]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  307.562144][ T6589]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  307.562263][ T6589]  gfs2_fill_super+0x13a7/0x21d0
[  307.562394][ T6589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.562499][ T6589]  ? sb_set_blocksize+0x155/0x240
[  307.562560][ T6589]  ? setup_bdev_super+0x4c1/0x5b0
[  307.562632][ T6589]  get_tree_bdev_flags+0x431/0x4f0
[  307.562688][ T6589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.562762][ T6589]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  307.562825][ T6589]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  307.562912][ T6589]  gfs2_get_tree+0x51/0x1e0
[  307.562987][ T6589]  vfs_get_tree+0x92/0x2a0
[  307.563052][ T6589]  do_new_mount+0x341/0xd30
[  307.563118][ T6589]  ? apparmor_capable+0x126/0x170
[  307.563205][ T6589]  ? __pfx_do_new_mount+0x10/0x10
[  307.563282][ T6589]  ? ns_capable+0x89/0xe0
[  307.563408][ T6589]  ? user_path_at+0xd4/0x160
[  307.563495][ T6589]  __se_sys_mount+0x31d/0x420
[  307.563583][ T6589]  ? __pfx___se_sys_mount+0x10/0x10
[  307.563672][ T6589]  ? __x64_sys_mount+0x20/0xc0
[  307.563774][ T6589]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.563860][ T6589]  do_syscall_64+0x15f/0xf80
[  307.563926][ T6589]  ? trace_irq_disable+0x3b/0x140
[  307.564000][ T6589]  ? clear_bhb_loop+0x40/0x90
[  307.564066][ T6589]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.564128][ T6589] RIP: 0033:0x7f422819da0a
[  307.564182][ T6589] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  307.564234][ T6589] RSP: 002b:00007ffdacb63c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.564289][ T6589] RAX: ffffffffffffffda RBX: 00007ffdacb63cd0 RCX: 00007f422819da0a
[  307.564331][ T6589] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffdacb63c90
[  307.564373][ T6589] RBP: 000020000001f680 R08: 00007ffdacb63cd0 R09: 0000000000000084
[  307.564414][ T6589] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  307.564448][ T6589] R13: 00007ffdacb63c90 R14: 000000000001f707 R15: 0000200000000000
[  307.564535][ T6589]  </TASK>
[  307.564674][ T6589] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.605199][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  307.608155][ T6589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.619608][   T31]  get_tree_bdev_flags+0x431/0x4f0
[  308.025002][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.038290][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  308.051628][   T31]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  308.065444][   T31]  gfs2_get_tree+0x51/0x1e0
[  308.070108][   T31]  vfs_get_tree+0x92/0x2a0
[  308.074585][   T31]  do_new_mount+0x341/0xd30
[  308.079235][   T31]  ? apparmor_capable+0x126/0x170
[  308.084532][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  308.089675][   T31]  ? ns_capable+0x89/0xe0
[  308.094078][   T31]  ? user_path_at+0xd4/0x160
[  308.098802][   T31]  __se_sys_mount+0x31d/0x420
[  308.103539][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  308.109410][   T31]  ? __x64_sys_mount+0x20/0xc0
[  308.114287][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.120462][   T31]  do_syscall_64+0x15f/0xf80
[  308.125139][   T31]  ? trace_irq_disable+0x3b/0x140
[  308.130474][   T31]  ? clear_bhb_loop+0x40/0x90
[  308.135241][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.141265][   T31] RIP: 0033:0x7fdf18b9da0a
[  308.145726][   T31] RSP: 002b:00007ffe1050fb88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.154256][   T31] RAX: ffffffffffffffda RBX: 00007ffe1050fc10 RCX: 00007fdf18b9da0a
[  308.162362][   T31] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe1050fbd0
[  308.170437][   T31] RBP: 000020000001f680 R08: 00007ffe1050fc10 R09: 0000000000000084
[  308.178535][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  308.186594][   T31] R13: 00007ffe1050fbd0 R14: 000000000001f707 R15: 0000200000000000
[  308.194633][   T31]  </TASK>
[  308.197918][   T31] 
[  308.197918][   T31] Showing all locks held in the system:
[  308.205714][   T31] 1 lock held by khungtaskd/31:
[  308.211209][   T31]  #0: ffffffff8e75d0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  308.221358][   T31] 1 lock held by syslogd/5192:
[  308.226284][   T31]  #0: ffff8880b863ae60 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x31/0x150
[  308.243029][   T31] 2 locks held by getty/5598:
[  308.248165][   T31]  #0: ffff888036f220a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  308.258088][   T31]  #1: ffffc9000322b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13a0
[  308.268424][   T31] 2 locks held by kworker/1:3/6016:
[  308.273702][   T31]  #0: ffff88801f31c540 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
[  308.285539][   T31]  #1: ffffc90003717c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
[  308.297584][   T31] 1 lock held by syz.0.17/6018:
[  308.302943][   T31]  #0: ffff88807aeaa0d8 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xab0
[  308.313756][   T31] 2 locks held by syz.1.197/6592:
[  308.319152][   T31] 
[  308.321550][   T31] =============================================
[  308.321550][   T31] 
[  308.330201][   T31] NMI backtrace for cpu 1
[  308.330222][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  308.330246][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  308.330260][   T31] Call Trace:
[  308.330269][   T31]  <TASK>
[  308.330278][   T31]  dump_stack_lvl+0xe8/0x150
[  308.330319][   T31]  nmi_cpu_backtrace+0x274/0x2d0
[  308.330342][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  308.330376][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  308.330401][   T31]  sys_info+0x135/0x170
[  308.330431][   T31]  watchdog+0xfd3/0x1030
[  308.330472][   T31]  ? watchdog+0x1c9/0x1030
[  308.330505][   T31]  kthread+0x388/0x470
[  308.330530][   T31]  ? __pfx_watchdog+0x10/0x10
[  308.330554][   T31]  ? __pfx_kthread+0x10/0x10
[  308.330580][   T31]  ret_from_fork+0x514/0xb70
[  308.330615][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  308.330646][   T31]  ? __switch_to+0xc7d/0x1420
[  308.330678][   T31]  ? __pfx_kthread+0x10/0x10
[  308.330704][   T31]  ret_from_fork_asm+0x1a/0x30
[  308.330742][   T31]  </TASK>
[  308.330750][   T31] Sending NMI from CPU 1 to CPUs 0:
[  308.443091][    C0] NMI backtrace for cpu 0
[  308.443110][    C0] CPU: 0 UID: 0 PID: 6592 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  308.443133][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  308.443158][    C0] RIP: 0010:__lock_acquire+0x35e/0x2cf0
[  308.443194][    C0] Code: 09 d4 41 09 cc 41 09 dc 45 89 64 c7 20 41 89 7c c7 24 4c 89 7c 24 20 4d 8d 2c c7 41 81 e4 ff 1f 00 00 4c 0f a3 25 f2 b7 83 12 <73> 15 49 69 c4 c8 00 00 00 48 8d 80 70 e3 c6 93 4c 8b 74 24 08 eb
[  308.443211][    C0] RSP: 0018:ffffc90005196ef0 EFLAGS: 00000003
[  308.443228][    C0] RAX: 000000000000000a RBX: 0000000000020000 RCX: 0000000000000007
[  308.443240][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  308.443252][    C0] RBP: 0000000000000002 R08: ffffffff81771696 R09: ffffffff8e75d0e0
[  308.443266][    C0] R10: ffffc900051971f8 R11: ffffffff81b15b50 R12: 0000000000000007
[  308.443280][    C0] R13: ffff88801ff8aa20 R14: ffff88801ff89e80 R15: ffff88801ff8a9d0
[  308.443296][    C0] FS:  000055558285a500(0000) GS:ffff88812543f000(0000) knlGS:0000000000000000
[  308.443313][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  308.443326][    C0] CR2: 00007f42201ff000 CR3: 0000000076fa2000 CR4: 00000000003526f0
[  308.443344][    C0] Call Trace:
[  308.443351][    C0]  <TASK>
[  308.443361][    C0]  ? __lock_acquire+0x6b5/0x2cf0
[  308.443393][    C0]  ? unwind_next_frame+0xa6/0x2550
[  308.443419][    C0]  ? unwind_next_frame+0xa6/0x2550
[  308.443437][    C0]  lock_acquire+0x106/0x350
[  308.443464][    C0]  ? unwind_next_frame+0xa6/0x2550
[  308.443486][    C0]  ? unwind_next_frame+0xa6/0x2550
[  308.443504][    C0]  ? save_stack+0x122/0x230
[  308.443522][    C0]  ? unwind_next_frame+0xa6/0x2550
[  308.443541][    C0]  unwind_next_frame+0xc3/0x2550
[  308.443560][    C0]  ? unwind_next_frame+0xa6/0x2550
[  308.443581][    C0]  ? unwind_next_frame+0xa6/0x2550
[  308.443600][    C0]  ? stack_trace_save+0xa9/0x100
[  308.443623][    C0]  ? save_stack+0x122/0x230
[  308.443641][    C0]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  308.443666][    C0]  arch_stack_walk+0x11b/0x150
[  308.443687][    C0]  ? save_stack+0x122/0x230
[  308.443705][    C0]  stack_trace_save+0xa9/0x100
[  308.443728][    C0]  ? __pfx_stack_trace_save+0x10/0x10
[  308.443757][    C0]  save_stack+0x122/0x230
[  308.443774][    C0]  ? __pfx_save_stack+0x10/0x10
[  308.443808][    C0]  __set_page_owner+0x8d/0x4c0
[  308.443826][    C0]  ? __pfx___set_page_owner+0x10/0x10
[  308.443843][    C0]  ? seqcount_lockdep_reader_access+0x89/0xc0
[  308.443872][    C0]  ? bad_range+0x8b/0x2c0
[  308.443898][    C0]  post_alloc_hook+0x231/0x280
[  308.443928][    C0]  get_page_from_freelist+0x24ba/0x2540
[  308.443968][    C0]  __alloc_frozen_pages_noprof+0x233/0x3d0
[  308.443991][    C0]  ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[  308.444013][    C0]  ? __pfx_policy_nodemask+0x10/0x10
[  308.444038][    C0]  alloc_pages_mpol+0x235/0x490
[  308.444060][    C0]  folio_alloc_mpol_noprof+0x39/0x160
[  308.444082][    C0]  shmem_alloc_and_add_folio+0x442/0xf80
[  308.444108][    C0]  ? filemap_get_entry+0xcd/0x3f0
[  308.444139][    C0]  ? __pfx_filemap_get_entry+0x10/0x10
[  308.444166][    C0]  ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[  308.444194][    C0]  ? shmem_allowable_huge_orders+0x309/0x690
[  308.444221][    C0]  shmem_get_folio_gfp+0x4d4/0x1420
[  308.444252][    C0]  shmem_write_begin+0x16c/0x330
[  308.444281][    C0]  generic_perform_write+0x2e2/0x8f0
[  308.444305][    C0]  ? __pfx_generic_perform_write+0x10/0x10
[  308.444324][    C0]  ? preempt_count_add+0x91/0x190
[  308.444354][    C0]  ? mnt_put_write_access_file+0xb9/0x100
[  308.444374][    C0]  ? file_update_time_flags+0x400/0x4a0
[  308.444394][    C0]  shmem_file_write_iter+0xf8/0x120
[  308.444421][    C0]  vfs_write+0x61d/0xb90
[  308.444442][    C0]  ? __pfx_vfs_write+0x10/0x10
[  308.444469][    C0]  ksys_write+0x150/0x270
[  308.444487][    C0]  ? __pfx_ksys_write+0x10/0x10
[  308.444508][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.444528][    C0]  do_syscall_64+0x15f/0xf80
[  308.444554][    C0]  ? trace_irq_disable+0x3b/0x140
[  308.444577][    C0]  ? clear_bhb_loop+0x40/0x90
[  308.444598][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.444617][    C0] RIP: 0033:0x7f422815cfce
[  308.444633][    C0] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[  308.444650][    C0] RSP: 002b:00007ffdacb63b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  308.444669][    C0] RAX: ffffffffffffffda RBX: 000055558285a500 RCX: 00007f422815cfce
[  308.444683][    C0] RDX: 0000000001000000 RSI: 00007f421f200000 RDI: 0000000000000003
[  308.444696][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  308.444708][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  308.444720][    C0] R13: 00007ffdacb63cd0 R14: 00007ffdacb63c90 R15: 00007f421f200000
[  308.444742][    C0]  </TASK>
[  308.933583][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  308.940519][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  308.949679][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[  308.959786][   T31] Call Trace:
[  308.963114][   T31]  <TASK>
[  308.966077][   T31]  vpanic+0x56c/0xa60
[  308.970113][   T31]  ? __pfx___schedule+0x10/0x10
[  308.975017][   T31]  ? __pfx_vpanic+0x10/0x10
[  308.979665][   T31]  ? nmi_trigger_cpumask_backtrace+0x1f4/0x300
[  308.985884][   T31]  panic+0xc5/0xd0
[  308.989672][   T31]  ? __pfx_panic+0x10/0x10
[  308.994155][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  308.999625][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  309.005882][   T31]  watchdog+0x102c/0x1030
[  309.010277][   T31]  ? watchdog+0x1c9/0x1030
[  309.014862][   T31]  kthread+0x388/0x470
[  309.018986][   T31]  ? __pfx_watchdog+0x10/0x10
[  309.023712][   T31]  ? __pfx_kthread+0x10/0x10
[  309.028354][   T31]  ret_from_fork+0x514/0xb70
[  309.033019][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  309.038183][   T31]  ? __switch_to+0xc7d/0x1420
[  309.042903][   T31]  ? __pfx_kthread+0x10/0x10
[  309.047528][   T31]  ret_from_fork_asm+0x1a/0x30
[  309.052591][   T31]  </TASK>
[  309.056522][   T31] Kernel Offset: disabled
[  309.061047][   T31] Rebooting in 86400 seconds..