0x126/0x170
[  263.101877][ T7120]  ? __pfx_do_new_mount+0x10/0x10
[  263.101899][ T7120]  ? ns_capable+0x89/0xe0
[  263.101926][ T7120]  ? user_path_at+0xd4/0x160
[  263.101956][ T7120]  ? user_path_at+0xd4/0x160
[  263.101984][ T7120]  __se_sys_mount+0x31d/0x420
[  263.102015][ T7120]  ? __pfx___se_sys_mount+0x10/0x10
[  263.102044][ T7120]  ? __x64_sys_mount+0x20/0xc0
[  263.102066][ T7120]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.102086][ T7120]  do_syscall_64+0x15f/0xf80
[  263.102103][ T7120]  ? trace_irq_disable+0x3b/0x140
[  263.102126][ T7120]  ? clear_bhb_loop+0x40/0x90
[  263.102149][ T7120]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.102167][ T7120] RIP: 0033:0x7f16a672b60a
[  263.102185][ T7120] 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
[  263.102199][ T7120] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.102220][ T7120] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  263.102235][ T7120] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  263.102249][ T7120] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  263.102262][ T7120] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  263.102274][ T7120] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  263.102304][ T7120]  </TASK>
[  263.105442][ T7120] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.105463][ T7120] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.845717][ T7125] loop1: detected capacity change from 0 to 32768
[  263.863719][ T7125] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.863741][ T7125] CPU: 0 UID: 0 PID: 7125 Comm: syz.1.122 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  263.863762][ T7125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  263.863773][ T7125] Call Trace:
[  263.863782][ T7125]  <TASK>
[  263.863790][ T7125]  dump_stack_lvl+0xe8/0x150
[  263.863820][ T7125]  sysfs_create_dir_ns+0x271/0x2a0
[  263.863852][ T7125]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  263.863878][ T7125]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.863906][ T7125]  ? rt_spin_unlock+0x160/0x200
[  263.863930][ T7125]  kobject_add_internal+0x631/0xd10
[  263.863959][ T7125]  kobject_init_and_add+0x12b/0x1a0
[  263.863985][ T7125]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.864008][ T7125]  ? __raw_spin_lock_init+0x45/0x100
[  263.864034][ T7125]  ? __init_swait_queue_head+0xa9/0x150
[  263.864061][ T7125]  gfs2_sys_fs_add+0x257/0x480
[  263.864086][ T7125]  ? is_dynamic_key+0x1ac/0x1c0
[  263.864110][ T7125]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.864145][ T7125]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.864188][ T7125]  gfs2_fill_super+0x141c/0x2220
[  263.864226][ T7125]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.864245][ T7125]  ? rt_spin_unlock+0x14f/0x200
[  263.864272][ T7125]  ? sb_set_blocksize+0x11b/0x210
[  263.864298][ T7125]  ? setup_bdev_super+0x4c1/0x5b0
[  263.864322][ T7125]  get_tree_bdev_flags+0x431/0x4f0
[  263.864343][ T7125]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.864363][ T7125]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.864378][ T7125]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.864404][ T7125]  gfs2_get_tree+0x51/0x1e0
[  263.864425][ T7125]  vfs_get_tree+0x92/0x2a0
[  263.864444][ T7125]  do_new_mount+0x341/0xd30
[  263.864469][ T7125]  ? apparmor_capable+0x126/0x170
[  263.864496][ T7125]  ? __pfx_do_new_mount+0x10/0x10
[  263.864519][ T7125]  ? ns_capable+0x89/0xe0
[  263.864545][ T7125]  ? user_path_at+0xd4/0x160
[  263.864575][ T7125]  ? user_path_at+0xd4/0x160
[  263.864604][ T7125]  __se_sys_mount+0x31d/0x420
[  263.864645][ T7125]  ? __pfx___se_sys_mount+0x10/0x10
[  263.864678][ T7125]  ? __x64_sys_mount+0x20/0xc0
[  263.864702][ T7125]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.864723][ T7125]  do_syscall_64+0x15f/0xf80
[  263.864740][ T7125]  ? trace_irq_disable+0x3b/0x140
[  263.864765][ T7125]  ? clear_bhb_loop+0x40/0x90
[  263.864789][ T7125]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.864808][ T7125] RIP: 0033:0x7f16a672b60a
[  263.864827][ T7125] 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
[  263.864844][ T7125] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.864864][ T7125] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  263.864879][ T7125] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  263.864893][ T7125] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  263.864906][ T7125] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  263.864919][ T7125] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  263.864951][ T7125]  </TASK>
[  263.865005][ T7125] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.865022][ T7125] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.643096][ T7130] loop1: detected capacity change from 0 to 32768
[  264.657244][ T7130] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.657267][ T7130] CPU: 0 UID: 0 PID: 7130 Comm: syz.1.123 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  264.657412][ T7130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  264.657424][ T7130] Call Trace:
[  264.657432][ T7130]  <TASK>
[  264.657440][ T7130]  dump_stack_lvl+0xe8/0x150
[  264.657476][ T7130]  sysfs_create_dir_ns+0x271/0x2a0
[  264.657503][ T7130]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  264.657528][ T7130]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.657555][ T7130]  ? rt_spin_unlock+0x160/0x200
[  264.657588][ T7130]  kobject_add_internal+0x631/0xd10
[  264.657618][ T7130]  kobject_init_and_add+0x12b/0x1a0
[  264.657646][ T7130]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.657668][ T7130]  ? __raw_spin_lock_init+0x45/0x100
[  264.657701][ T7130]  ? __init_swait_queue_head+0xa9/0x150
[  264.657730][ T7130]  gfs2_sys_fs_add+0x257/0x480
[  264.657763][ T7130]  ? is_dynamic_key+0x1ac/0x1c0
[  264.657789][ T7130]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.657824][ T7130]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.657866][ T7130]  gfs2_fill_super+0x141c/0x2220
[  264.657902][ T7130]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.657921][ T7130]  ? rt_spin_unlock+0x14f/0x200
[  264.657949][ T7130]  ? sb_set_blocksize+0x11b/0x210
[  264.657975][ T7130]  ? setup_bdev_super+0x4c1/0x5b0
[  264.658000][ T7130]  get_tree_bdev_flags+0x431/0x4f0
[  264.658022][ T7130]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.658044][ T7130]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.658061][ T7130]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.658089][ T7130]  gfs2_get_tree+0x51/0x1e0
[  264.658114][ T7130]  vfs_get_tree+0x92/0x2a0
[  264.658137][ T7130]  do_new_mount+0x341/0xd30
[  264.658160][ T7130]  ? apparmor_capable+0x126/0x170
[  264.658187][ T7130]  ? __pfx_do_new_mount+0x10/0x10
[  264.658212][ T7130]  ? ns_capable+0x89/0xe0
[  264.658238][ T7130]  ? user_path_at+0xd4/0x160
[  264.658268][ T7130]  ? user_path_at+0xd4/0x160
[  264.658365][ T7130]  __se_sys_mount+0x31d/0x420
[  264.658396][ T7130]  ? __pfx___se_sys_mount+0x10/0x10
[  264.658428][ T7130]  ? __x64_sys_mount+0x20/0xc0
[  264.658453][ T7130]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.658475][ T7130]  do_syscall_64+0x15f/0xf80
[  264.658493][ T7130]  ? trace_irq_disable+0x3b/0x140
[  264.658517][ T7130]  ? clear_bhb_loop+0x40/0x90
[  264.658540][ T7130]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.658558][ T7130] RIP: 0033:0x7f16a672b60a
[  264.658577][ T7130] 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
[  264.658594][ T7130] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.658616][ T7130] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  264.658631][ T7130] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
2026/04/28 07:22:56 executed programs: 109
[  264.658646][ T7130] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  264.658659][ T7130] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  264.658673][ T7130] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  264.658703][ T7130]  </TASK>
[  264.658854][ T7130] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.658872][ T7130] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.414030][ T7135] loop1: detected capacity change from 0 to 32768
[  265.437323][ T7135] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.437347][ T7135] CPU: 1 UID: 0 PID: 7135 Comm: syz.1.124 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  265.437369][ T7135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  265.437380][ T7135] Call Trace:
[  265.437389][ T7135]  <TASK>
[  265.437397][ T7135]  dump_stack_lvl+0xe8/0x150
[  265.437427][ T7135]  sysfs_create_dir_ns+0x271/0x2a0
[  265.437454][ T7135]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  265.437522][ T7135]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.437552][ T7135]  ? rt_spin_unlock+0x160/0x200
[  265.437586][ T7135]  kobject_add_internal+0x631/0xd10
[  265.437617][ T7135]  kobject_init_and_add+0x12b/0x1a0
[  265.437644][ T7135]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.437667][ T7135]  ? __raw_spin_lock_init+0x45/0x100
[  265.437693][ T7135]  ? __init_swait_queue_head+0xa9/0x150
[  265.437721][ T7135]  gfs2_sys_fs_add+0x257/0x480
[  265.437746][ T7135]  ? is_dynamic_key+0x1ac/0x1c0
[  265.437773][ T7135]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.437806][ T7135]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.437847][ T7135]  gfs2_fill_super+0x141c/0x2220
[  265.437885][ T7135]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.437899][ T7135]  ? rt_spin_unlock+0x14f/0x200
[  265.437915][ T7135]  ? sb_set_blocksize+0x11b/0x210
[  265.437929][ T7135]  ? setup_bdev_super+0x4c1/0x5b0
[  265.437942][ T7135]  get_tree_bdev_flags+0x431/0x4f0
[  265.437954][ T7135]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.437965][ T7135]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.437975][ T7135]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  265.437991][ T7135]  gfs2_get_tree+0x51/0x1e0
[  265.438005][ T7135]  vfs_get_tree+0x92/0x2a0
[  265.438017][ T7135]  do_new_mount+0x341/0xd30
[  265.438031][ T7135]  ? apparmor_capable+0x126/0x170
[  265.438047][ T7135]  ? __pfx_do_new_mount+0x10/0x10
[  265.438060][ T7135]  ? ns_capable+0x89/0xe0
[  265.438075][ T7135]  ? user_path_at+0xd4/0x160
[  265.438093][ T7135]  ? user_path_at+0xd4/0x160
[  265.438109][ T7135]  __se_sys_mount+0x31d/0x420
[  265.438126][ T7135]  ? __pfx___se_sys_mount+0x10/0x10
[  265.438143][ T7135]  ? __x64_sys_mount+0x20/0xc0
[  265.438157][ T7135]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.438169][ T7135]  do_syscall_64+0x15f/0xf80
[  265.438179][ T7135]  ? trace_irq_disable+0x3b/0x140
[  265.438193][ T7135]  ? clear_bhb_loop+0x40/0x90
[  265.438206][ T7135]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.438216][ T7135] RIP: 0033:0x7f16a672b60a
[  265.438228][ T7135] 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
[  265.438240][ T7135] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.438252][ T7135] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  265.438261][ T7135] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  265.438268][ T7135] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  265.438275][ T7135] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  265.438282][ T7135] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  265.438298][ T7135]  </TASK>
[  265.438328][ T7135] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.438337][ T7135] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.354491][ T7140] loop1: detected capacity change from 0 to 32768
[  266.369658][ T7140] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.369682][ T7140] CPU: 1 UID: 0 PID: 7140 Comm: syz.1.125 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  266.369703][ T7140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  266.369713][ T7140] Call Trace:
[  266.369721][ T7140]  <TASK>
[  266.369729][ T7140]  dump_stack_lvl+0xe8/0x150
[  266.369760][ T7140]  sysfs_create_dir_ns+0x271/0x2a0
[  266.369794][ T7140]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  266.369822][ T7140]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.369851][ T7140]  ? rt_spin_unlock+0x160/0x200
[  266.369878][ T7140]  kobject_add_internal+0x631/0xd10
[  266.369911][ T7140]  kobject_init_and_add+0x12b/0x1a0
[  266.369935][ T7140]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.369957][ T7140]  ? __raw_spin_lock_init+0x45/0x100
[  266.369982][ T7140]  ? __init_swait_queue_head+0xa9/0x150
[  266.370010][ T7140]  gfs2_sys_fs_add+0x257/0x480
[  266.370036][ T7140]  ? is_dynamic_key+0x1ac/0x1c0
[  266.370061][ T7140]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.370095][ T7140]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.370136][ T7140]  gfs2_fill_super+0x141c/0x2220
[  266.370183][ T7140]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.370203][ T7140]  ? rt_spin_unlock+0x14f/0x200
[  266.370231][ T7140]  ? sb_set_blocksize+0x11b/0x210
[  266.370255][ T7140]  ? setup_bdev_super+0x4c1/0x5b0
[  266.370279][ T7140]  get_tree_bdev_flags+0x431/0x4f0
[  266.370300][ T7140]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.370322][ T7140]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.370339][ T7140]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.370369][ T7140]  gfs2_get_tree+0x51/0x1e0
[  266.370394][ T7140]  vfs_get_tree+0x92/0x2a0
[  266.370416][ T7140]  do_new_mount+0x341/0xd30
[  266.370441][ T7140]  ? apparmor_capable+0x126/0x170
[  266.370468][ T7140]  ? __pfx_do_new_mount+0x10/0x10
[  266.370492][ T7140]  ? ns_capable+0x89/0xe0
[  266.370518][ T7140]  ? user_path_at+0xd4/0x160
[  266.370550][ T7140]  ? user_path_at+0xd4/0x160
[  266.370580][ T7140]  __se_sys_mount+0x31d/0x420
[  266.370611][ T7140]  ? __pfx___se_sys_mount+0x10/0x10
[  266.370643][ T7140]  ? __x64_sys_mount+0x20/0xc0
[  266.370666][ T7140]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.370687][ T7140]  do_syscall_64+0x15f/0xf80
[  266.370705][ T7140]  ? trace_irq_disable+0x3b/0x140
[  266.370730][ T7140]  ? clear_bhb_loop+0x40/0x90
[  266.370753][ T7140]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.370771][ T7140] RIP: 0033:0x7f16a672b60a
[  266.370789][ T7140] 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
[  266.370806][ T7140] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.370828][ T7140] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  266.370842][ T7140] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  266.370855][ T7140] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  266.370868][ T7140] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  266.370881][ T7140] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  266.370911][ T7140]  </TASK>
[  266.371519][ T7140] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.371538][ T7140] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.131029][ T7145] loop1: detected capacity change from 0 to 32768
[  267.137026][ T7145] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.137048][ T7145] CPU: 0 UID: 0 PID: 7145 Comm: syz.1.126 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  267.137070][ T7145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  267.137081][ T7145] Call Trace:
[  267.137107][ T7145]  <TASK>
[  267.137115][ T7145]  dump_stack_lvl+0xe8/0x150
[  267.137151][ T7145]  sysfs_create_dir_ns+0x271/0x2a0
[  267.137179][ T7145]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  267.137205][ T7145]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.137235][ T7145]  ? rt_spin_unlock+0x160/0x200
[  267.137262][ T7145]  kobject_add_internal+0x631/0xd10
[  267.137290][ T7145]  kobject_init_and_add+0x12b/0x1a0
[  267.137317][ T7145]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.137341][ T7145]  ? __raw_spin_lock_init+0x45/0x100
[  267.137368][ T7145]  ? __init_swait_queue_head+0xa9/0x150
[  267.137394][ T7145]  gfs2_sys_fs_add+0x257/0x480
[  267.137415][ T7145]  ? is_dynamic_key+0x1ac/0x1c0
[  267.137443][ T7145]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.137477][ T7145]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.137518][ T7145]  gfs2_fill_super+0x141c/0x2220
[  267.137557][ T7145]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.137576][ T7145]  ? rt_spin_unlock+0x14f/0x200
[  267.137605][ T7145]  ? sb_set_blocksize+0x11b/0x210
[  267.137630][ T7145]  ? setup_bdev_super+0x4c1/0x5b0
[  267.137654][ T7145]  get_tree_bdev_flags+0x431/0x4f0
[  267.137676][ T7145]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.137698][ T7145]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.137716][ T7145]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  267.137747][ T7145]  gfs2_get_tree+0x51/0x1e0
[  267.137772][ T7145]  vfs_get_tree+0x92/0x2a0
[  267.137796][ T7145]  do_new_mount+0x341/0xd30
[  267.137820][ T7145]  ? apparmor_capable+0x126/0x170
[  267.137848][ T7145]  ? __pfx_do_new_mount+0x10/0x10
[  267.137875][ T7145]  ? ns_capable+0x89/0xe0
[  267.137901][ T7145]  ? user_path_at+0xd4/0x160
[  267.137932][ T7145]  ? user_path_at+0xd4/0x160
[  267.137961][ T7145]  __se_sys_mount+0x31d/0x420
[  267.137993][ T7145]  ? __pfx___se_sys_mount+0x10/0x10
[  267.138025][ T7145]  ? __x64_sys_mount+0x20/0xc0
[  267.138049][ T7145]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.138071][ T7145]  do_syscall_64+0x15f/0xf80
[  267.138089][ T7145]  ? trace_irq_disable+0x3b/0x140
[  267.138115][ T7145]  ? clear_bhb_loop+0x40/0x90
[  267.138146][ T7145]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.138166][ T7145] RIP: 0033:0x7f16a672b60a
[  267.138184][ T7145] 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
[  267.138201][ T7145] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.138222][ T7145] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  267.138238][ T7145] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  267.138255][ T7145] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  267.138269][ T7145] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  267.138283][ T7145] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  267.138311][ T7145]  </TASK>
[  267.139756][ T7145] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.139785][ T7145] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.891825][ T7150] loop1: detected capacity change from 0 to 32768
[  267.910724][ T7150] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.910747][ T7150] CPU: 0 UID: 0 PID: 7150 Comm: syz.1.127 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  267.910769][ T7150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  267.910780][ T7150] Call Trace:
[  267.910788][ T7150]  <TASK>
[  267.910797][ T7150]  dump_stack_lvl+0xe8/0x150
[  267.910827][ T7150]  sysfs_create_dir_ns+0x271/0x2a0
[  267.910856][ T7150]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  267.910882][ T7150]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.910910][ T7150]  ? rt_spin_unlock+0x160/0x200
[  267.910937][ T7150]  kobject_add_internal+0x631/0xd10
[  267.910968][ T7150]  kobject_init_and_add+0x12b/0x1a0
[  267.910995][ T7150]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.911019][ T7150]  ? __raw_spin_lock_init+0x45/0x100
[  267.911044][ T7150]  ? __init_swait_queue_head+0xa9/0x150
[  267.911081][ T7150]  gfs2_sys_fs_add+0x257/0x480
[  267.911109][ T7150]  ? is_dynamic_key+0x1ac/0x1c0
[  267.911136][ T7150]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.911172][ T7150]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.911215][ T7150]  gfs2_fill_super+0x141c/0x2220
[  267.911254][ T7150]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.911274][ T7150]  ? rt_spin_unlock+0x14f/0x200
[  267.911303][ T7150]  ? sb_set_blocksize+0x11b/0x210
[  267.911328][ T7150]  ? setup_bdev_super+0x4c1/0x5b0
[  267.911352][ T7150]  get_tree_bdev_flags+0x431/0x4f0
[  267.911374][ T7150]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.911396][ T7150]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.911415][ T7150]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  267.911445][ T7150]  gfs2_get_tree+0x51/0x1e0
[  267.911471][ T7150]  vfs_get_tree+0x92/0x2a0
[  267.911494][ T7150]  do_new_mount+0x341/0xd30
[  267.911524][ T7150]  ? apparmor_capable+0x126/0x170
[  267.911554][ T7150]  ? __pfx_do_new_mount+0x10/0x10
[  267.911579][ T7150]  ? ns_capable+0x89/0xe0
[  267.911604][ T7150]  ? user_path_at+0xd4/0x160
[  267.911636][ T7150]  ? user_path_at+0xd4/0x160
[  267.911665][ T7150]  __se_sys_mount+0x31d/0x420
[  267.911696][ T7150]  ? __pfx___se_sys_mount+0x10/0x10
[  267.911728][ T7150]  ? __x64_sys_mount+0x20/0xc0
[  267.911752][ T7150]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.911774][ T7150]  do_syscall_64+0x15f/0xf80
[  267.911792][ T7150]  ? trace_irq_disable+0x3b/0x140
[  267.911818][ T7150]  ? clear_bhb_loop+0x40/0x90
[  267.911842][ T7150]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.911862][ T7150] RIP: 0033:0x7f16a672b60a
[  267.911880][ T7150] 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
[  267.911898][ T7150] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.911919][ T7150] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  267.911934][ T7150] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  267.911948][ T7150] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  267.911962][ T7150] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  267.911979][ T7150] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  267.912010][ T7150]  </TASK>
[  267.913530][ T7150] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.913548][ T7150] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.680879][ T7155] loop1: detected capacity change from 0 to 32768
[  268.692480][ T7155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.692503][ T7155] CPU: 1 UID: 0 PID: 7155 Comm: syz.1.128 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  268.692525][ T7155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  268.692536][ T7155] Call Trace:
[  268.692545][ T7155]  <TASK>
[  268.692552][ T7155]  dump_stack_lvl+0xe8/0x150
[  268.692583][ T7155]  sysfs_create_dir_ns+0x271/0x2a0
[  268.692618][ T7155]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  268.692644][ T7155]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.692675][ T7155]  ? rt_spin_unlock+0x160/0x200
[  268.692701][ T7155]  kobject_add_internal+0x631/0xd10
[  268.692730][ T7155]  kobject_init_and_add+0x12b/0x1a0
[  268.692756][ T7155]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.692778][ T7155]  ? __raw_spin_lock_init+0x45/0x100
[  268.692803][ T7155]  ? __init_swait_queue_head+0xa9/0x150
[  268.692832][ T7155]  gfs2_sys_fs_add+0x257/0x480
[  268.692857][ T7155]  ? is_dynamic_key+0x1ac/0x1c0
[  268.692883][ T7155]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.692916][ T7155]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.692956][ T7155]  gfs2_fill_super+0x141c/0x2220
[  268.692992][ T7155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.693012][ T7155]  ? rt_spin_unlock+0x14f/0x200
[  268.693039][ T7155]  ? sb_set_blocksize+0x11b/0x210
[  268.693063][ T7155]  ? setup_bdev_super+0x4c1/0x5b0
[  268.693085][ T7155]  get_tree_bdev_flags+0x431/0x4f0
[  268.693106][ T7155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.693126][ T7155]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.693144][ T7155]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.693174][ T7155]  gfs2_get_tree+0x51/0x1e0
[  268.693198][ T7155]  vfs_get_tree+0x92/0x2a0
[  268.693219][ T7155]  do_new_mount+0x341/0xd30
[  268.693249][ T7155]  ? apparmor_capable+0x126/0x170
[  268.693277][ T7155]  ? __pfx_do_new_mount+0x10/0x10
[  268.693301][ T7155]  ? ns_capable+0x89/0xe0
[  268.693327][ T7155]  ? user_path_at+0xd4/0x160
[  268.693358][ T7155]  ? user_path_at+0xd4/0x160
[  268.693386][ T7155]  __se_sys_mount+0x31d/0x420
[  268.693415][ T7155]  ? __pfx___se_sys_mount+0x10/0x10
[  268.693446][ T7155]  ? __x64_sys_mount+0x20/0xc0
[  268.693470][ T7155]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.693491][ T7155]  do_syscall_64+0x15f/0xf80
[  268.693507][ T7155]  ? trace_irq_disable+0x3b/0x140
[  268.693531][ T7155]  ? clear_bhb_loop+0x40/0x90
[  268.693554][ T7155]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.693573][ T7155] RIP: 0033:0x7f16a672b60a
[  268.693591][ T7155] 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
[  268.693607][ T7155] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.693627][ T7155] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  268.693641][ T7155] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  268.693655][ T7155] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  268.693668][ T7155] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  268.693681][ T7155] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  268.693710][ T7155]  </TASK>
[  268.695227][ T7155] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.695244][ T7155] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.476569][ T7160] loop1: detected capacity change from 0 to 32768
[  269.489110][ T7160] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.489134][ T7160] CPU: 0 UID: 0 PID: 7160 Comm: syz.1.129 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  269.489156][ T7160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  269.489168][ T7160] Call Trace:
[  269.489176][ T7160]  <TASK>
[  269.489184][ T7160]  dump_stack_lvl+0xe8/0x150
[  269.489215][ T7160]  sysfs_create_dir_ns+0x271/0x2a0
[  269.489243][ T7160]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  269.489271][ T7160]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.489300][ T7160]  ? rt_spin_unlock+0x160/0x200
[  269.489326][ T7160]  kobject_add_internal+0x631/0xd10
[  269.489356][ T7160]  kobject_init_and_add+0x12b/0x1a0
[  269.489383][ T7160]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.489406][ T7160]  ? __raw_spin_lock_init+0x45/0x100
[  269.489438][ T7160]  ? __init_swait_queue_head+0xa9/0x150
[  269.489467][ T7160]  gfs2_sys_fs_add+0x257/0x480
[  269.489492][ T7160]  ? is_dynamic_key+0x1ac/0x1c0
[  269.489519][ T7160]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.489553][ T7160]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.489594][ T7160]  gfs2_fill_super+0x141c/0x2220
[  269.489632][ T7160]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.489651][ T7160]  ? rt_spin_unlock+0x14f/0x200
[  269.489681][ T7160]  ? sb_set_blocksize+0x11b/0x210
[  269.489706][ T7160]  ? setup_bdev_super+0x4c1/0x5b0
[  269.489730][ T7160]  get_tree_bdev_flags+0x431/0x4f0
[  269.489752][ T7160]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.489774][ T7160]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.489792][ T7160]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  269.489819][ T7160]  gfs2_get_tree+0x51/0x1e0
[  269.489844][ T7160]  vfs_get_tree+0x92/0x2a0
[  269.489867][ T7160]  do_new_mount+0x341/0xd30
[  269.489891][ T7160]  ? apparmor_capable+0x126/0x170
[  269.489921][ T7160]  ? __pfx_do_new_mount+0x10/0x10
[  269.489942][ T7160]  ? ns_capable+0x89/0xe0
[  269.489967][ T7160]  ? user_path_at+0xd4/0x160
[  269.489995][ T7160]  ? user_path_at+0xd4/0x160
[  269.490029][ T7160]  __se_sys_mount+0x31d/0x420
[  269.490057][ T7160]  ? __pfx___se_sys_mount+0x10/0x10
[  269.490086][ T7160]  ? __x64_sys_mount+0x20/0xc0
[  269.490108][ T7160]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.490128][ T7160]  do_syscall_64+0x15f/0xf80
[  269.490146][ T7160]  ? trace_irq_disable+0x3b/0x140
[  269.490170][ T7160]  ? clear_bhb_loop+0x40/0x90
[  269.490193][ T7160]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.490213][ T7160] RIP: 0033:0x7f16a672b60a
[  269.490231][ T7160] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.490249][ T7160] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.490270][ T7160] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  269.490285][ T7160] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  269.490298][ T7160] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  269.490311][ T7160] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  269.490325][ T7160] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  269.490355][ T7160]  </TASK>
[  269.495042][ T7160] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.495064][ T7160] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.277745][ T7165] loop1: detected capacity change from 0 to 32768
[  270.290587][ T7165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.290610][ T7165] CPU: 0 UID: 0 PID: 7165 Comm: syz.1.130 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  270.290631][ T7165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  270.290642][ T7165] Call Trace:
[  270.290651][ T7165]  <TASK>
[  270.290659][ T7165]  dump_stack_lvl+0xe8/0x150
[  270.290690][ T7165]  sysfs_create_dir_ns+0x271/0x2a0
[  270.290716][ T7165]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  270.290742][ T7165]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.290770][ T7165]  ? rt_spin_unlock+0x160/0x200
[  270.290797][ T7165]  kobject_add_internal+0x631/0xd10
[  270.290826][ T7165]  kobject_init_and_add+0x12b/0x1a0
[  270.290853][ T7165]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.290885][ T7165]  ? __raw_spin_lock_init+0x45/0x100
[  270.290912][ T7165]  ? __init_swait_queue_head+0xa9/0x150
[  270.290940][ T7165]  gfs2_sys_fs_add+0x257/0x480
[  270.290965][ T7165]  ? is_dynamic_key+0x1ac/0x1c0
[  270.290992][ T7165]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.291027][ T7165]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.291066][ T7165]  gfs2_fill_super+0x141c/0x2220
[  270.291102][ T7165]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.291122][ T7165]  ? rt_spin_unlock+0x14f/0x200
[  270.291143][ T7165]  ? sb_set_blocksize+0x11b/0x210
[  270.291165][ T7165]  ? setup_bdev_super+0x4c1/0x5b0
[  270.291187][ T7165]  get_tree_bdev_flags+0x431/0x4f0
[  270.291208][ T7165]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.291230][ T7165]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.291249][ T7165]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.291278][ T7165]  gfs2_get_tree+0x51/0x1e0
[  270.291303][ T7165]  vfs_get_tree+0x92/0x2a0
[  270.291326][ T7165]  do_new_mount+0x341/0xd30
[  270.291350][ T7165]  ? apparmor_capable+0x126/0x170
[  270.291378][ T7165]  ? __pfx_do_new_mount+0x10/0x10
[  270.291403][ T7165]  ? ns_capable+0x89/0xe0
[  270.291430][ T7165]  ? user_path_at+0xd4/0x160
[  270.291461][ T7165]  ? user_path_at+0xd4/0x160
[  270.291491][ T7165]  __se_sys_mount+0x31d/0x420
[  270.291520][ T7165]  ? __pfx___se_sys_mount+0x10/0x10
[  270.291552][ T7165]  ? __x64_sys_mount+0x20/0xc0
[  270.291577][ T7165]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.291598][ T7165]  do_syscall_64+0x15f/0xf80
[  270.291614][ T7165]  ? trace_irq_disable+0x3b/0x140
[  270.291639][ T7165]  ? clear_bhb_loop+0x40/0x90
[  270.291663][ T7165]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.291683][ T7165] RIP: 0033:0x7f16a672b60a
[  270.291701][ T7165] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.291718][ T7165] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
2026/04/28 07:23:01 executed programs: 116
[  270.291738][ T7165] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  270.291753][ T7165] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  270.291767][ T7165] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  270.291780][ T7165] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  270.291791][ T7165] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  270.291826][ T7165]  </TASK>
[  270.293488][ T7165] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.293506][ T7165] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.056592][ T7170] loop1: detected capacity change from 0 to 32768
[  271.091016][ T7170] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.091039][ T7170] CPU: 1 UID: 0 PID: 7170 Comm: syz.1.131 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  271.091060][ T7170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  271.091080][ T7170] Call Trace:
[  271.091088][ T7170]  <TASK>
[  271.091096][ T7170]  dump_stack_lvl+0xe8/0x150
[  271.091128][ T7170]  sysfs_create_dir_ns+0x271/0x2a0
[  271.091156][ T7170]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  271.091184][ T7170]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.091211][ T7170]  ? rt_spin_unlock+0x160/0x200
[  271.091237][ T7170]  kobject_add_internal+0x631/0xd10
[  271.091274][ T7170]  kobject_init_and_add+0x12b/0x1a0
[  271.091302][ T7170]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.091324][ T7170]  ? __raw_spin_lock_init+0x45/0x100
[  271.091347][ T7170]  ? __init_swait_queue_head+0xa9/0x150
[  271.091373][ T7170]  gfs2_sys_fs_add+0x257/0x480
[  271.091398][ T7170]  ? is_dynamic_key+0x1ac/0x1c0
[  271.091430][ T7170]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.091461][ T7170]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.091484][ T7170]  gfs2_fill_super+0x141c/0x2220
[  271.091506][ T7170]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.091519][ T7170]  ? rt_spin_unlock+0x14f/0x200
[  271.091534][ T7170]  ? sb_set_blocksize+0x11b/0x210
[  271.091549][ T7170]  ? setup_bdev_super+0x4c1/0x5b0
[  271.091562][ T7170]  get_tree_bdev_flags+0x431/0x4f0
[  271.091573][ T7170]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.091585][ T7170]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.091595][ T7170]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.091612][ T7170]  gfs2_get_tree+0x51/0x1e0
[  271.091625][ T7170]  vfs_get_tree+0x92/0x2a0
[  271.091637][ T7170]  do_new_mount+0x341/0xd30
[  271.091656][ T7170]  ? apparmor_capable+0x126/0x170
[  271.091672][ T7170]  ? __pfx_do_new_mount+0x10/0x10
[  271.091689][ T7170]  ? ns_capable+0x89/0xe0
[  271.091714][ T7170]  ? user_path_at+0xd4/0x160
[  271.091736][ T7170]  ? user_path_at+0xd4/0x160
[  271.091753][ T7170]  __se_sys_mount+0x31d/0x420
[  271.091770][ T7170]  ? __pfx___se_sys_mount+0x10/0x10
[  271.091794][ T7170]  ? __x64_sys_mount+0x20/0xc0
[  271.091807][ T7170]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.091819][ T7170]  do_syscall_64+0x15f/0xf80
[  271.091829][ T7170]  ? trace_irq_disable+0x3b/0x140
[  271.091844][ T7170]  ? clear_bhb_loop+0x40/0x90
[  271.091856][ T7170]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.091867][ T7170] RIP: 0033:0x7f16a672b60a
[  271.091880][ T7170] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.091896][ T7170] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.091909][ T7170] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  271.091917][ T7170] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  271.091924][ T7170] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  271.091932][ T7170] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  271.091939][ T7170] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  271.091955][ T7170]  </TASK>
[  271.091990][ T7170] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.091999][ T7170] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.826659][ T7175] loop1: detected capacity change from 0 to 32768
[  271.837777][ T7175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.837799][ T7175] CPU: 1 UID: 0 PID: 7175 Comm: syz.1.132 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  271.837820][ T7175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  271.837836][ T7175] Call Trace:
[  271.837844][ T7175]  <TASK>
[  271.837852][ T7175]  dump_stack_lvl+0xe8/0x150
[  271.837881][ T7175]  sysfs_create_dir_ns+0x271/0x2a0
[  271.837908][ T7175]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  271.837934][ T7175]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.837963][ T7175]  ? rt_spin_unlock+0x160/0x200
[  271.837997][ T7175]  kobject_add_internal+0x631/0xd10
[  271.838027][ T7175]  kobject_init_and_add+0x12b/0x1a0
[  271.838054][ T7175]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.838077][ T7175]  ? __raw_spin_lock_init+0x45/0x100
[  271.838103][ T7175]  ? __init_swait_queue_head+0xa9/0x150
[  271.838132][ T7175]  gfs2_sys_fs_add+0x257/0x480
[  271.838158][ T7175]  ? is_dynamic_key+0x1ac/0x1c0
[  271.838185][ T7175]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.838222][ T7175]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.838263][ T7175]  gfs2_fill_super+0x141c/0x2220
[  271.838301][ T7175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.838326][ T7175]  ? rt_spin_unlock+0x14f/0x200
[  271.838355][ T7175]  ? sb_set_blocksize+0x11b/0x210
[  271.838380][ T7175]  ? setup_bdev_super+0x4c1/0x5b0
[  271.838404][ T7175]  get_tree_bdev_flags+0x431/0x4f0
[  271.838429][ T7175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.838450][ T7175]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.838469][ T7175]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.838498][ T7175]  gfs2_get_tree+0x51/0x1e0
[  271.838525][ T7175]  vfs_get_tree+0x92/0x2a0
[  271.838545][ T7175]  do_new_mount+0x341/0xd30
[  271.838566][ T7175]  ? apparmor_capable+0x126/0x170
[  271.838593][ T7175]  ? __pfx_do_new_mount+0x10/0x10
[  271.838617][ T7175]  ? ns_capable+0x89/0xe0
[  271.838642][ T7175]  ? user_path_at+0xd4/0x160
[  271.838675][ T7175]  ? user_path_at+0xd4/0x160
[  271.838703][ T7175]  __se_sys_mount+0x31d/0x420
[  271.838732][ T7175]  ? __pfx___se_sys_mount+0x10/0x10
[  271.838760][ T7175]  ? __x64_sys_mount+0x20/0xc0
[  271.838782][ T7175]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.838802][ T7175]  do_syscall_64+0x15f/0xf80
[  271.838818][ T7175]  ? trace_irq_disable+0x3b/0x140
[  271.838841][ T7175]  ? clear_bhb_loop+0x40/0x90
[  271.838864][ T7175]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.838882][ T7175] RIP: 0033:0x7f16a672b60a
[  271.838898][ T7175] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.838915][ T7175] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.838932][ T7175] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  271.838945][ T7175] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  271.838958][ T7175] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  271.838971][ T7175] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  271.838993][ T7175] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  271.839020][ T7175]  </TASK>
[  271.839217][ T7175] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.839231][ T7175] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.609878][ T7180] loop1: detected capacity change from 0 to 32768
[  272.623437][ T7180] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.623460][ T7180] CPU: 1 UID: 0 PID: 7180 Comm: syz.1.133 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  272.623482][ T7180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  272.623493][ T7180] Call Trace:
[  272.623502][ T7180]  <TASK>
[  272.623510][ T7180]  dump_stack_lvl+0xe8/0x150
[  272.623540][ T7180]  sysfs_create_dir_ns+0x271/0x2a0
[  272.623566][ T7180]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  272.623593][ T7180]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.623623][ T7180]  ? rt_spin_unlock+0x160/0x200
[  272.623650][ T7180]  kobject_add_internal+0x631/0xd10
[  272.623680][ T7180]  kobject_init_and_add+0x12b/0x1a0
[  272.623707][ T7180]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.623730][ T7180]  ? __raw_spin_lock_init+0x45/0x100
[  272.623757][ T7180]  ? __init_swait_queue_head+0xa9/0x150
[  272.623786][ T7180]  gfs2_sys_fs_add+0x257/0x480
[  272.623813][ T7180]  ? is_dynamic_key+0x1ac/0x1c0
[  272.623840][ T7180]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.623875][ T7180]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.623917][ T7180]  gfs2_fill_super+0x141c/0x2220
[  272.623953][ T7180]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.623981][ T7180]  ? rt_spin_unlock+0x14f/0x200
[  272.624011][ T7180]  ? sb_set_blocksize+0x11b/0x210
[  272.624036][ T7180]  ? setup_bdev_super+0x4c1/0x5b0
[  272.624060][ T7180]  get_tree_bdev_flags+0x431/0x4f0
[  272.624085][ T7180]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.624107][ T7180]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.624126][ T7180]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.624156][ T7180]  gfs2_get_tree+0x51/0x1e0
[  272.624181][ T7180]  vfs_get_tree+0x92/0x2a0
[  272.624203][ T7180]  do_new_mount+0x341/0xd30
[  272.624227][ T7180]  ? apparmor_capable+0x126/0x170
[  272.624257][ T7180]  ? __pfx_do_new_mount+0x10/0x10
[  272.624282][ T7180]  ? ns_capable+0x89/0xe0
[  272.624309][ T7180]  ? user_path_at+0xd4/0x160
[  272.624341][ T7180]  ? user_path_at+0xd4/0x160
[  272.624371][ T7180]  __se_sys_mount+0x31d/0x420
[  272.624402][ T7180]  ? __pfx___se_sys_mount+0x10/0x10
[  272.624434][ T7180]  ? __x64_sys_mount+0x20/0xc0
[  272.624459][ T7180]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.624482][ T7180]  do_syscall_64+0x15f/0xf80
[  272.624500][ T7180]  ? trace_irq_disable+0x3b/0x140
[  272.624525][ T7180]  ? clear_bhb_loop+0x40/0x90
[  272.624548][ T7180]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.624568][ T7180] RIP: 0033:0x7f16a672b60a
[  272.624586][ T7180] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.624603][ T7180] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.624625][ T7180] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  272.624639][ T7180] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  272.624654][ T7180] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  272.624667][ T7180] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  272.624681][ T7180] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  272.624711][ T7180]  </TASK>
[  272.624891][ T7180] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.624908][ T7180] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.416188][ T7185] loop1: detected capacity change from 0 to 32768
[  273.423447][ T7185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.423467][ T7185] CPU: 0 UID: 0 PID: 7185 Comm: syz.1.134 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  273.423488][ T7185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  273.423498][ T7185] Call Trace:
[  273.423506][ T7185]  <TASK>
[  273.423513][ T7185]  dump_stack_lvl+0xe8/0x150
[  273.423542][ T7185]  sysfs_create_dir_ns+0x271/0x2a0
[  273.423567][ T7185]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  273.423593][ T7185]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.423621][ T7185]  ? rt_spin_unlock+0x160/0x200
[  273.423648][ T7185]  kobject_add_internal+0x631/0xd10
[  273.423675][ T7185]  kobject_init_and_add+0x12b/0x1a0
[  273.423699][ T7185]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.423731][ T7185]  ? __raw_spin_lock_init+0x45/0x100
[  273.423758][ T7185]  ? __init_swait_queue_head+0xa9/0x150
[  273.423787][ T7185]  gfs2_sys_fs_add+0x257/0x480
[  273.423813][ T7185]  ? is_dynamic_key+0x1ac/0x1c0
[  273.423842][ T7185]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.423876][ T7185]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.423918][ T7185]  gfs2_fill_super+0x141c/0x2220
[  273.423954][ T7185]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.423972][ T7185]  ? rt_spin_unlock+0x14f/0x200
[  273.424000][ T7185]  ? sb_set_blocksize+0x11b/0x210
[  273.424024][ T7185]  ? setup_bdev_super+0x4c1/0x5b0
[  273.424048][ T7185]  get_tree_bdev_flags+0x431/0x4f0
[  273.424069][ T7185]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.424091][ T7185]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.424110][ T7185]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.424139][ T7185]  gfs2_get_tree+0x51/0x1e0
[  273.424166][ T7185]  vfs_get_tree+0x92/0x2a0
[  273.424188][ T7185]  do_new_mount+0x341/0xd30
[  273.424212][ T7185]  ? apparmor_capable+0x126/0x170
[  273.424241][ T7185]  ? __pfx_do_new_mount+0x10/0x10
[  273.424266][ T7185]  ? ns_capable+0x89/0xe0
[  273.424293][ T7185]  ? user_path_at+0xd4/0x160
[  273.424325][ T7185]  ? user_path_at+0xd4/0x160
[  273.424354][ T7185]  __se_sys_mount+0x31d/0x420
[  273.424386][ T7185]  ? __pfx___se_sys_mount+0x10/0x10
[  273.424418][ T7185]  ? __x64_sys_mount+0x20/0xc0
[  273.424444][ T7185]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.424465][ T7185]  do_syscall_64+0x15f/0xf80
[  273.424483][ T7185]  ? trace_irq_disable+0x3b/0x140
[  273.424507][ T7185]  ? clear_bhb_loop+0x40/0x90
[  273.424531][ T7185]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.424550][ T7185] RIP: 0033:0x7f16a672b60a
[  273.424569][ T7185] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  273.424587][ T7185] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.424608][ T7185] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  273.424623][ T7185] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  273.424637][ T7185] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  273.424650][ T7185] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  273.424663][ T7185] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  273.424697][ T7185]  </TASK>
[  273.434581][ T7185] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.434603][ T7185] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.160566][ T7190] loop1: detected capacity change from 0 to 32768
[  274.171976][ T7190] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.171999][ T7190] CPU: 1 UID: 0 PID: 7190 Comm: syz.1.135 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  274.172020][ T7190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  274.172031][ T7190] Call Trace:
[  274.172039][ T7190]  <TASK>
[  274.172047][ T7190]  dump_stack_lvl+0xe8/0x150
[  274.172077][ T7190]  sysfs_create_dir_ns+0x271/0x2a0
[  274.172104][ T7190]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  274.172131][ T7190]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.172158][ T7190]  ? rt_spin_unlock+0x160/0x200
[  274.172184][ T7190]  kobject_add_internal+0x631/0xd10
[  274.172213][ T7190]  kobject_init_and_add+0x12b/0x1a0
[  274.172240][ T7190]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.172263][ T7190]  ? __raw_spin_lock_init+0x45/0x100
[  274.172290][ T7190]  ? __init_swait_queue_head+0xa9/0x150
[  274.172319][ T7190]  gfs2_sys_fs_add+0x257/0x480
[  274.172345][ T7190]  ? is_dynamic_key+0x1ac/0x1c0
[  274.172372][ T7190]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.172407][ T7190]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.172448][ T7190]  gfs2_fill_super+0x141c/0x2220
[  274.172486][ T7190]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.172507][ T7190]  ? rt_spin_unlock+0x14f/0x200
[  274.172533][ T7190]  ? sb_set_blocksize+0x11b/0x210
[  274.172566][ T7190]  ? setup_bdev_super+0x4c1/0x5b0
[  274.172590][ T7190]  get_tree_bdev_flags+0x431/0x4f0
[  274.172612][ T7190]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.172633][ T7190]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.172652][ T7190]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.172683][ T7190]  gfs2_get_tree+0x51/0x1e0
[  274.172709][ T7190]  vfs_get_tree+0x92/0x2a0
[  274.172731][ T7190]  do_new_mount+0x341/0xd30
[  274.172754][ T7190]  ? apparmor_capable+0x126/0x170
[  274.172782][ T7190]  ? __pfx_do_new_mount+0x10/0x10
[  274.172806][ T7190]  ? ns_capable+0x89/0xe0
[  274.172833][ T7190]  ? user_path_at+0xd4/0x160
[  274.172865][ T7190]  ? user_path_at+0xd4/0x160
[  274.172896][ T7190]  __se_sys_mount+0x31d/0x420
[  274.172927][ T7190]  ? __pfx___se_sys_mount+0x10/0x10
[  274.172960][ T7190]  ? __x64_sys_mount+0x20/0xc0
[  274.172984][ T7190]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.173007][ T7190]  do_syscall_64+0x15f/0xf80
[  274.173025][ T7190]  ? trace_irq_disable+0x3b/0x140
[  274.173051][ T7190]  ? clear_bhb_loop+0x40/0x90
[  274.173075][ T7190]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.173094][ T7190] RIP: 0033:0x7f16a672b60a
[  274.173113][ T7190] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.173130][ T7190] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.173152][ T7190] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  274.173167][ T7190] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  274.173181][ T7190] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  274.173195][ T7190] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  274.173208][ T7190] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  274.173240][ T7190]  </TASK>
[  274.173266][ T7190] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.173281][ T7190] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.941736][ T7195] loop1: detected capacity change from 0 to 32768
[  274.945559][ T7195] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.945581][ T7195] CPU: 1 UID: 0 PID: 7195 Comm: syz.1.136 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  274.945603][ T7195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  274.945614][ T7195] Call Trace:
[  274.945622][ T7195]  <TASK>
[  274.945657][ T7195]  dump_stack_lvl+0xe8/0x150
[  274.945687][ T7195]  sysfs_create_dir_ns+0x271/0x2a0
[  274.945713][ T7195]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  274.945740][ T7195]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.945776][ T7195]  ? rt_spin_unlock+0x160/0x200
[  274.945803][ T7195]  kobject_add_internal+0x631/0xd10
[  274.945833][ T7195]  kobject_init_and_add+0x12b/0x1a0
[  274.945861][ T7195]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.945883][ T7195]  ? __raw_spin_lock_init+0x45/0x100
[  274.945910][ T7195]  ? __init_swait_queue_head+0xa9/0x150
[  274.945938][ T7195]  gfs2_sys_fs_add+0x257/0x480
[  274.945965][ T7195]  ? is_dynamic_key+0x1ac/0x1c0
[  274.945992][ T7195]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.946025][ T7195]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.946066][ T7195]  gfs2_fill_super+0x141c/0x2220
[  274.946103][ T7195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.946124][ T7195]  ? rt_spin_unlock+0x14f/0x200
[  274.946152][ T7195]  ? sb_set_blocksize+0x11b/0x210
[  274.946175][ T7195]  ? setup_bdev_super+0x4c1/0x5b0
[  274.946199][ T7195]  get_tree_bdev_flags+0x431/0x4f0
[  274.946221][ T7195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.946243][ T7195]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.946262][ T7195]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.946293][ T7195]  gfs2_get_tree+0x51/0x1e0
[  274.946318][ T7195]  vfs_get_tree+0x92/0x2a0
[  274.946340][ T7195]  do_new_mount+0x341/0xd30
[  274.946364][ T7195]  ? apparmor_capable+0x126/0x170
[  274.946394][ T7195]  ? __pfx_do_new_mount+0x10/0x10
[  274.946418][ T7195]  ? ns_capable+0x89/0xe0
[  274.946443][ T7195]  ? user_path_at+0xd4/0x160
[  274.946472][ T7195]  ? user_path_at+0xd4/0x160
[  274.946505][ T7195]  __se_sys_mount+0x31d/0x420
[  274.946535][ T7195]  ? __pfx___se_sys_mount+0x10/0x10
[  274.946568][ T7195]  ? __x64_sys_mount+0x20/0xc0
[  274.946591][ T7195]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.946612][ T7195]  do_syscall_64+0x15f/0xf80
[  274.946628][ T7195]  ? trace_irq_disable+0x3b/0x140
[  274.946652][ T7195]  ? clear_bhb_loop+0x40/0x90
[  274.946674][ T7195]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.946691][ T7195] RIP: 0033:0x7f16a672b60a
[  274.946709][ T7195] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.946726][ T7195] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.946749][ T7195] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  274.946769][ T7195] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  274.946782][ T7195] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  274.946794][ T7195] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  274.946808][ T7195] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  274.946836][ T7195]  </TASK>
[  274.946884][ T7195] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.946900][ T7195] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.700447][ T7200] loop1: detected capacity change from 0 to 32768
[  275.717186][ T7200] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.717208][ T7200] CPU: 1 UID: 0 PID: 7200 Comm: syz.1.137 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  275.717229][ T7200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  275.717240][ T7200] Call Trace:
[  275.717247][ T7200]  <TASK>
[  275.717255][ T7200]  dump_stack_lvl+0xe8/0x150
[  275.717286][ T7200]  sysfs_create_dir_ns+0x271/0x2a0
[  275.717313][ T7200]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  275.717339][ T7200]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.717367][ T7200]  ? rt_spin_unlock+0x160/0x200
[  275.717393][ T7200]  kobject_add_internal+0x631/0xd10
[  275.717420][ T7200]  kobject_init_and_add+0x12b/0x1a0
[  275.717447][ T7200]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.717469][ T7200]  ? __raw_spin_lock_init+0x45/0x100
[  275.717496][ T7200]  ? __init_swait_queue_head+0xa9/0x150
[  275.717525][ T7200]  gfs2_sys_fs_add+0x257/0x480
[  275.717550][ T7200]  ? is_dynamic_key+0x1ac/0x1c0
[  275.717577][ T7200]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.717612][ T7200]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.717653][ T7200]  gfs2_fill_super+0x141c/0x2220
[  275.717700][ T7200]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.717720][ T7200]  ? rt_spin_unlock+0x14f/0x200
[  275.717748][ T7200]  ? sb_set_blocksize+0x11b/0x210
[  275.717773][ T7200]  ? setup_bdev_super+0x4c1/0x5b0
[  275.717797][ T7200]  get_tree_bdev_flags+0x431/0x4f0
[  275.717818][ T7200]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.717840][ T7200]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.717859][ T7200]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.717889][ T7200]  gfs2_get_tree+0x51/0x1e0
[  275.717915][ T7200]  vfs_get_tree+0x92/0x2a0
[  275.717937][ T7200]  do_new_mount+0x341/0xd30
[  275.717961][ T7200]  ? apparmor_capable+0x126/0x170
[  275.717990][ T7200]  ? __pfx_do_new_mount+0x10/0x10
[  275.718015][ T7200]  ? ns_capable+0x89/0xe0
[  275.718041][ T7200]  ? user_path_at+0xd4/0x160
[  275.718074][ T7200]  ? user_path_at+0xd4/0x160
[  275.718104][ T7200]  __se_sys_mount+0x31d/0x420
[  275.718135][ T7200]  ? __pfx___se_sys_mount+0x10/0x10
[  275.718167][ T7200]  ? __x64_sys_mount+0x20/0xc0
[  275.718192][ T7200]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.718214][ T7200]  do_syscall_64+0x15f/0xf80
[  275.718237][ T7200]  ? trace_irq_disable+0x3b/0x140
[  275.718262][ T7200]  ? clear_bhb_loop+0x40/0x90
[  275.718284][ T7200]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.718302][ T7200] RIP: 0033:0x7f16a672b60a
[  275.718324][ T7200] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.718341][ T7200] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.718362][ T7200] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  275.718376][ T7200] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
2026/04/28 07:23:07 executed programs: 123
[  275.718391][ T7200] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  275.718405][ T7200] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  275.718416][ T7200] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  275.718447][ T7200]  </TASK>
[  275.721391][ T7200] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.721413][ T7200] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.497604][ T7205] loop1: detected capacity change from 0 to 32768
[  276.507374][ T7205] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.507397][ T7205] CPU: 0 UID: 0 PID: 7205 Comm: syz.1.138 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  276.507419][ T7205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  276.507428][ T7205] Call Trace:
[  276.507436][ T7205]  <TASK>
[  276.507444][ T7205]  dump_stack_lvl+0xe8/0x150
[  276.507496][ T7205]  sysfs_create_dir_ns+0x271/0x2a0
[  276.507526][ T7205]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  276.507554][ T7205]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.507584][ T7205]  ? rt_spin_unlock+0x160/0x200
[  276.507612][ T7205]  kobject_add_internal+0x631/0xd10
[  276.507651][ T7205]  kobject_init_and_add+0x12b/0x1a0
[  276.507679][ T7205]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.507703][ T7205]  ? __raw_spin_lock_init+0x45/0x100
[  276.507730][ T7205]  ? __init_swait_queue_head+0xa9/0x150
[  276.507761][ T7205]  gfs2_sys_fs_add+0x257/0x480
[  276.507788][ T7205]  ? is_dynamic_key+0x1ac/0x1c0
[  276.507816][ T7205]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.507853][ T7205]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.507895][ T7205]  gfs2_fill_super+0x141c/0x2220
[  276.507934][ T7205]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.507959][ T7205]  ? rt_spin_unlock+0x14f/0x200
[  276.507988][ T7205]  ? sb_set_blocksize+0x11b/0x210
[  276.508015][ T7205]  ? setup_bdev_super+0x4c1/0x5b0
[  276.508040][ T7205]  get_tree_bdev_flags+0x431/0x4f0
[  276.508063][ T7205]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.508085][ T7205]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.508106][ T7205]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.508138][ T7205]  gfs2_get_tree+0x51/0x1e0
[  276.508165][ T7205]  vfs_get_tree+0x92/0x2a0
[  276.508187][ T7205]  do_new_mount+0x341/0xd30
[  276.508211][ T7205]  ? apparmor_capable+0x126/0x170
[  276.508241][ T7205]  ? __pfx_do_new_mount+0x10/0x10
[  276.508268][ T7205]  ? ns_capable+0x89/0xe0
[  276.508308][ T7205]  ? user_path_at+0xd4/0x160
[  276.508341][ T7205]  ? user_path_at+0xd4/0x160
[  276.508372][ T7205]  __se_sys_mount+0x31d/0x420
[  276.508404][ T7205]  ? __pfx___se_sys_mount+0x10/0x10
[  276.508437][ T7205]  ? __x64_sys_mount+0x20/0xc0
[  276.508463][ T7205]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.508485][ T7205]  do_syscall_64+0x15f/0xf80
[  276.508503][ T7205]  ? trace_irq_disable+0x3b/0x140
[  276.508528][ T7205]  ? clear_bhb_loop+0x40/0x90
[  276.508550][ T7205]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.508570][ T7205] RIP: 0033:0x7f16a672b60a
[  276.508588][ T7205] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.508603][ T7205] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.508630][ T7205] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  276.508645][ T7205] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  276.508658][ T7205] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  276.508672][ T7205] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  276.508686][ T7205] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  276.508715][ T7205]  </TASK>
[  276.508795][ T7205] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.508811][ T7205] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.313795][ T7210] loop1: detected capacity change from 0 to 32768
[  277.319528][ T7210] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.319548][ T7210] CPU: 1 UID: 0 PID: 7210 Comm: syz.1.139 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  277.319570][ T7210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  277.319581][ T7210] Call Trace:
[  277.319589][ T7210]  <TASK>
[  277.319601][ T7210]  dump_stack_lvl+0xe8/0x150
[  277.319637][ T7210]  sysfs_create_dir_ns+0x271/0x2a0
[  277.319664][ T7210]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  277.319691][ T7210]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.319719][ T7210]  ? rt_spin_unlock+0x160/0x200
[  277.319746][ T7210]  kobject_add_internal+0x631/0xd10
[  277.319775][ T7210]  kobject_init_and_add+0x12b/0x1a0
[  277.319802][ T7210]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.319824][ T7210]  ? __raw_spin_lock_init+0x45/0x100
[  277.319851][ T7210]  ? __init_swait_queue_head+0xa9/0x150
[  277.319880][ T7210]  gfs2_sys_fs_add+0x257/0x480
[  277.319908][ T7210]  ? is_dynamic_key+0x1ac/0x1c0
[  277.319934][ T7210]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.319966][ T7210]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.320006][ T7210]  gfs2_fill_super+0x141c/0x2220
[  277.320042][ T7210]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.320061][ T7210]  ? rt_spin_unlock+0x14f/0x200
[  277.320089][ T7210]  ? sb_set_blocksize+0x11b/0x210
[  277.320113][ T7210]  ? setup_bdev_super+0x4c1/0x5b0
[  277.320131][ T7210]  get_tree_bdev_flags+0x431/0x4f0
[  277.320147][ T7210]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.320163][ T7210]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.320176][ T7210]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.320199][ T7210]  gfs2_get_tree+0x51/0x1e0
[  277.320218][ T7210]  vfs_get_tree+0x92/0x2a0
[  277.320234][ T7210]  do_new_mount+0x341/0xd30
[  277.320252][ T7210]  ? apparmor_capable+0x126/0x170
[  277.320274][ T7210]  ? __pfx_do_new_mount+0x10/0x10
[  277.320292][ T7210]  ? ns_capable+0x89/0xe0
[  277.320312][ T7210]  ? user_path_at+0xd4/0x160
[  277.320336][ T7210]  ? user_path_at+0xd4/0x160
[  277.320358][ T7210]  __se_sys_mount+0x31d/0x420
[  277.320382][ T7210]  ? __pfx___se_sys_mount+0x10/0x10
[  277.320406][ T7210]  ? __x64_sys_mount+0x20/0xc0
[  277.320424][ T7210]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.320440][ T7210]  do_syscall_64+0x15f/0xf80
[  277.320454][ T7210]  ? trace_irq_disable+0x3b/0x140
[  277.320472][ T7210]  ? clear_bhb_loop+0x40/0x90
[  277.320489][ T7210]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.320503][ T7210] RIP: 0033:0x7f16a672b60a
[  277.320518][ T7210] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  277.320530][ T7210] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.320548][ T7210] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  277.320559][ T7210] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  277.320569][ T7210] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  277.320579][ T7210] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  277.320589][ T7210] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  277.320619][ T7210]  </TASK>
[  277.323501][ T7210] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.323522][ T7210] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.093714][ T7215] loop1: detected capacity change from 0 to 32768
[  278.108937][ T7215] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.108959][ T7215] CPU: 0 UID: 0 PID: 7215 Comm: syz.1.140 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  278.108980][ T7215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  278.108991][ T7215] Call Trace:
[  278.109000][ T7215]  <TASK>
[  278.109008][ T7215]  dump_stack_lvl+0xe8/0x150
[  278.109039][ T7215]  sysfs_create_dir_ns+0x271/0x2a0
[  278.109066][ T7215]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  278.109093][ T7215]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.109123][ T7215]  ? rt_spin_unlock+0x160/0x200
[  278.109150][ T7215]  kobject_add_internal+0x631/0xd10
[  278.109179][ T7215]  kobject_init_and_add+0x12b/0x1a0
[  278.109207][ T7215]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.109229][ T7215]  ? __raw_spin_lock_init+0x45/0x100
[  278.109254][ T7215]  ? __init_swait_queue_head+0xa9/0x150
[  278.109281][ T7215]  gfs2_sys_fs_add+0x257/0x480
[  278.109307][ T7215]  ? is_dynamic_key+0x1ac/0x1c0
[  278.109334][ T7215]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.109367][ T7215]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.109408][ T7215]  gfs2_fill_super+0x141c/0x2220
[  278.109446][ T7215]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.109466][ T7215]  ? rt_spin_unlock+0x14f/0x200
[  278.109493][ T7215]  ? sb_set_blocksize+0x11b/0x210
[  278.109525][ T7215]  ? setup_bdev_super+0x4c1/0x5b0
[  278.109549][ T7215]  get_tree_bdev_flags+0x431/0x4f0
[  278.109571][ T7215]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.109593][ T7215]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.109612][ T7215]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.109641][ T7215]  gfs2_get_tree+0x51/0x1e0
[  278.109666][ T7215]  vfs_get_tree+0x92/0x2a0
[  278.109689][ T7215]  do_new_mount+0x341/0xd30
[  278.109714][ T7215]  ? apparmor_capable+0x126/0x170
[  278.109744][ T7215]  ? __pfx_do_new_mount+0x10/0x10
[  278.109769][ T7215]  ? ns_capable+0x89/0xe0
[  278.109797][ T7215]  ? user_path_at+0xd4/0x160
[  278.109829][ T7215]  ? user_path_at+0xd4/0x160
[  278.109858][ T7215]  __se_sys_mount+0x31d/0x420
[  278.109888][ T7215]  ? __pfx___se_sys_mount+0x10/0x10
[  278.109923][ T7215]  ? __x64_sys_mount+0x20/0xc0
[  278.109944][ T7215]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.109964][ T7215]  do_syscall_64+0x15f/0xf80
[  278.109982][ T7215]  ? trace_irq_disable+0x3b/0x140
[  278.110005][ T7215]  ? clear_bhb_loop+0x40/0x90
[  278.110027][ T7215]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.110046][ T7215] RIP: 0033:0x7f16a672b60a
[  278.110063][ T7215] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  278.110079][ T7215] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.110100][ T7215] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  278.110114][ T7215] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  278.110128][ T7215] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  278.110142][ T7215] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  278.110154][ T7215] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  278.110184][ T7215]  </TASK>
[  278.168085][ T7215] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.168107][ T7215] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.393722][ T4928] Bluetooth: hci0: command 0x0406 tx timeout
[  278.918597][ T7220] loop1: detected capacity change from 0 to 32768
[  278.938138][ T7220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.938161][ T7220] CPU: 0 UID: 0 PID: 7220 Comm: syz.1.141 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  278.938194][ T7220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  278.938206][ T7220] Call Trace:
[  278.938214][ T7220]  <TASK>
[  278.938222][ T7220]  dump_stack_lvl+0xe8/0x150
[  278.938253][ T7220]  sysfs_create_dir_ns+0x271/0x2a0
[  278.938279][ T7220]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  278.938305][ T7220]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.938334][ T7220]  ? rt_spin_unlock+0x160/0x200
[  278.938360][ T7220]  kobject_add_internal+0x631/0xd10
[  278.938401][ T7220]  kobject_init_and_add+0x12b/0x1a0
[  278.938429][ T7220]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.938452][ T7220]  ? __raw_spin_lock_init+0x45/0x100
[  278.938478][ T7220]  ? __init_swait_queue_head+0xa9/0x150
[  278.938506][ T7220]  gfs2_sys_fs_add+0x257/0x480
[  278.938532][ T7220]  ? is_dynamic_key+0x1ac/0x1c0
[  278.938564][ T7220]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.938597][ T7220]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.938636][ T7220]  gfs2_fill_super+0x141c/0x2220
[  278.938672][ T7220]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.938692][ T7220]  ? rt_spin_unlock+0x14f/0x200
[  278.938721][ T7220]  ? sb_set_blocksize+0x11b/0x210
[  278.938744][ T7220]  ? setup_bdev_super+0x4c1/0x5b0
[  278.938772][ T7220]  get_tree_bdev_flags+0x431/0x4f0
[  278.938793][ T7220]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.938814][ T7220]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.938833][ T7220]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.938863][ T7220]  gfs2_get_tree+0x51/0x1e0
[  278.938892][ T7220]  vfs_get_tree+0x92/0x2a0
[  278.938916][ T7220]  do_new_mount+0x341/0xd30
[  278.938938][ T7220]  ? apparmor_capable+0x126/0x170
[  278.938966][ T7220]  ? __pfx_do_new_mount+0x10/0x10
[  278.938991][ T7220]  ? ns_capable+0x89/0xe0
[  278.939017][ T7220]  ? user_path_at+0xd4/0x160
[  278.939049][ T7220]  ? user_path_at+0xd4/0x160
[  278.939080][ T7220]  __se_sys_mount+0x31d/0x420
[  278.939113][ T7220]  ? __pfx___se_sys_mount+0x10/0x10
[  278.939143][ T7220]  ? __x64_sys_mount+0x20/0xc0
[  278.939167][ T7220]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.939197][ T7220]  do_syscall_64+0x15f/0xf80
[  278.939216][ T7220]  ? trace_irq_disable+0x3b/0x140
[  278.939240][ T7220]  ? clear_bhb_loop+0x40/0x90
[  278.939264][ T7220]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.939283][ T7220] RIP: 0033:0x7f16a672b60a
[  278.939302][ T7220] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  278.939319][ T7220] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.939340][ T7220] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  278.939354][ T7220] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  278.939368][ T7220] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  278.939380][ T7220] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  278.939393][ T7220] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  278.939424][ T7220]  </TASK>
[  278.939476][ T7220] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.939493][ T7220] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.651402][ T7225] loop1: detected capacity change from 0 to 32768
[  279.657189][ T7225] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.657211][ T7225] CPU: 0 UID: 0 PID: 7225 Comm: syz.1.142 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  279.657232][ T7225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  279.657244][ T7225] Call Trace:
[  279.657251][ T7225]  <TASK>
[  279.657261][ T7225]  dump_stack_lvl+0xe8/0x150
[  279.657289][ T7225]  sysfs_create_dir_ns+0x271/0x2a0
[  279.657316][ T7225]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  279.657343][ T7225]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.657372][ T7225]  ? rt_spin_unlock+0x160/0x200
[  279.657399][ T7225]  kobject_add_internal+0x631/0xd10
[  279.657428][ T7225]  kobject_init_and_add+0x12b/0x1a0
[  279.657455][ T7225]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.657479][ T7225]  ? __raw_spin_lock_init+0x45/0x100
[  279.657507][ T7225]  ? __init_swait_queue_head+0xa9/0x150
[  279.657536][ T7225]  gfs2_sys_fs_add+0x257/0x480
[  279.657562][ T7225]  ? is_dynamic_key+0x1ac/0x1c0
[  279.657588][ T7225]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.657625][ T7225]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.657665][ T7225]  gfs2_fill_super+0x141c/0x2220
[  279.657702][ T7225]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.657722][ T7225]  ? rt_spin_unlock+0x14f/0x200
[  279.657751][ T7225]  ? sb_set_blocksize+0x11b/0x210
[  279.657776][ T7225]  ? setup_bdev_super+0x4c1/0x5b0
[  279.657800][ T7225]  get_tree_bdev_flags+0x431/0x4f0
[  279.657822][ T7225]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.657844][ T7225]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.657863][ T7225]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.657893][ T7225]  gfs2_get_tree+0x51/0x1e0
[  279.657922][ T7225]  vfs_get_tree+0x92/0x2a0
[  279.657946][ T7225]  do_new_mount+0x341/0xd30
[  279.657969][ T7225]  ? apparmor_capable+0x126/0x170
[  279.657998][ T7225]  ? __pfx_do_new_mount+0x10/0x10
[  279.658023][ T7225]  ? ns_capable+0x89/0xe0
[  279.658051][ T7225]  ? user_path_at+0xd4/0x160
[  279.658083][ T7225]  ? user_path_at+0xd4/0x160
[  279.658112][ T7225]  __se_sys_mount+0x31d/0x420
[  279.658144][ T7225]  ? __pfx___se_sys_mount+0x10/0x10
[  279.658184][ T7225]  ? __x64_sys_mount+0x20/0xc0
[  279.658208][ T7225]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.658230][ T7225]  do_syscall_64+0x15f/0xf80
[  279.658248][ T7225]  ? trace_irq_disable+0x3b/0x140
[  279.658273][ T7225]  ? clear_bhb_loop+0x40/0x90
[  279.658302][ T7225]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.658322][ T7225] RIP: 0033:0x7f16a672b60a
[  279.658340][ T7225] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  279.658358][ T7225] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.658378][ T7225] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  279.658393][ T7225] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  279.658406][ T7225] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  279.658419][ T7225] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  279.658431][ T7225] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  279.658460][ T7225]  </TASK>
[  279.696195][ T7225] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.696216][ T7225] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.393739][ T7230] loop1: detected capacity change from 0 to 32768
[  280.403274][ T7230] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.403296][ T7230] CPU: 0 UID: 0 PID: 7230 Comm: syz.1.143 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  280.403317][ T7230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  280.403329][ T7230] Call Trace:
[  280.403337][ T7230]  <TASK>
[  280.403345][ T7230]  dump_stack_lvl+0xe8/0x150
[  280.403375][ T7230]  sysfs_create_dir_ns+0x271/0x2a0
[  280.403402][ T7230]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  280.403428][ T7230]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.403461][ T7230]  ? rt_spin_unlock+0x160/0x200
[  280.403486][ T7230]  kobject_add_internal+0x631/0xd10
[  280.403515][ T7230]  kobject_init_and_add+0x12b/0x1a0
[  280.403541][ T7230]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.403564][ T7230]  ? __raw_spin_lock_init+0x45/0x100
[  280.403589][ T7230]  ? __init_swait_queue_head+0xa9/0x150
[  280.403616][ T7230]  gfs2_sys_fs_add+0x257/0x480
[  280.403642][ T7230]  ? is_dynamic_key+0x1ac/0x1c0
[  280.403667][ T7230]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.403701][ T7230]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.403742][ T7230]  gfs2_fill_super+0x141c/0x2220
[  280.403778][ T7230]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.403797][ T7230]  ? rt_spin_unlock+0x14f/0x200
[  280.403824][ T7230]  ? sb_set_blocksize+0x11b/0x210
[  280.403847][ T7230]  ? setup_bdev_super+0x4c1/0x5b0
[  280.403870][ T7230]  get_tree_bdev_flags+0x431/0x4f0
[  280.403891][ T7230]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.403912][ T7230]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.403930][ T7230]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.403959][ T7230]  gfs2_get_tree+0x51/0x1e0
[  280.403984][ T7230]  vfs_get_tree+0x92/0x2a0
[  280.404006][ T7230]  do_new_mount+0x341/0xd30
[  280.404027][ T7230]  ? apparmor_capable+0x126/0x170
[  280.404056][ T7230]  ? __pfx_do_new_mount+0x10/0x10
[  280.404087][ T7230]  ? ns_capable+0x89/0xe0
[  280.404112][ T7230]  ? user_path_at+0xd4/0x160
[  280.404142][ T7230]  ? user_path_at+0xd4/0x160
[  280.404170][ T7230]  __se_sys_mount+0x31d/0x420
[  280.404200][ T7230]  ? __pfx___se_sys_mount+0x10/0x10
[  280.404230][ T7230]  ? __x64_sys_mount+0x20/0xc0
[  280.404254][ T7230]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.404275][ T7230]  do_syscall_64+0x15f/0xf80
[  280.404291][ T7230]  ? trace_irq_disable+0x3b/0x140
[  280.404316][ T7230]  ? clear_bhb_loop+0x40/0x90
[  280.404338][ T7230]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.404357][ T7230] RIP: 0033:0x7f16a672b60a
[  280.404375][ T7230] 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
[  280.404392][ T7230] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.404413][ T7230] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  280.404428][ T7230] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  280.404441][ T7230] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  280.404454][ T7230] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  280.404467][ T7230] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  280.404497][ T7230]  </TASK>
[  280.404522][ T7230] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.404537][ T7230] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.198745][ T7235] loop1: detected capacity change from 0 to 32768
[  281.218567][ T7235] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.218590][ T7235] CPU: 1 UID: 0 PID: 7235 Comm: syz.1.144 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  281.218612][ T7235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  281.218624][ T7235] Call Trace:
[  281.218632][ T7235]  <TASK>
[  281.218641][ T7235]  dump_stack_lvl+0xe8/0x150
[  281.218671][ T7235]  sysfs_create_dir_ns+0x271/0x2a0
[  281.218699][ T7235]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  281.218725][ T7235]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.218754][ T7235]  ? rt_spin_unlock+0x160/0x200
[  281.218780][ T7235]  kobject_add_internal+0x631/0xd10
[  281.218809][ T7235]  kobject_init_and_add+0x12b/0x1a0
[  281.218834][ T7235]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.218857][ T7235]  ? __raw_spin_lock_init+0x45/0x100
[  281.218883][ T7235]  ? __init_swait_queue_head+0xa9/0x150
[  281.218910][ T7235]  gfs2_sys_fs_add+0x257/0x480
[  281.218938][ T7235]  ? is_dynamic_key+0x1ac/0x1c0
[  281.218961][ T7235]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.218980][ T7235]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.219003][ T7235]  gfs2_fill_super+0x141c/0x2220
[  281.219023][ T7235]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.219044][ T7235]  ? rt_spin_unlock+0x14f/0x200
[  281.219060][ T7235]  ? sb_set_blocksize+0x11b/0x210
[  281.219074][ T7235]  ? setup_bdev_super+0x4c1/0x5b0
[  281.219087][ T7235]  get_tree_bdev_flags+0x431/0x4f0
[  281.219098][ T7235]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.219110][ T7235]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.219120][ T7235]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.219137][ T7235]  gfs2_get_tree+0x51/0x1e0
[  281.219151][ T7235]  vfs_get_tree+0x92/0x2a0
[  281.219163][ T7235]  do_new_mount+0x341/0xd30
[  281.219176][ T7235]  ? apparmor_capable+0x126/0x170
[  281.219192][ T7235]  ? __pfx_do_new_mount+0x10/0x10
[  281.219206][ T7235]  ? ns_capable+0x89/0xe0
[  281.219221][ T7235]  ? user_path_at+0xd4/0x160
[  281.219239][ T7235]  ? user_path_at+0xd4/0x160
[  281.219255][ T7235]  __se_sys_mount+0x31d/0x420
[  281.219272][ T7235]  ? __pfx___se_sys_mount+0x10/0x10
[  281.219291][ T7235]  ? __x64_sys_mount+0x20/0xc0
[  281.219305][ T7235]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
2026/04/28 07:23:12 executed programs: 130
[  281.219317][ T7235]  do_syscall_64+0x15f/0xf80
[  281.219327][ T7235]  ? trace_irq_disable+0x3b/0x140
[  281.219341][ T7235]  ? clear_bhb_loop+0x40/0x90
[  281.219353][ T7235]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.219364][ T7235] RIP: 0033:0x7f16a672b60a
[  281.219376][ T7235] 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
[  281.219389][ T7235] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.219409][ T7235] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  281.219423][ T7235] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  281.219430][ T7235] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  281.219437][ T7235] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  281.219445][ T7235] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  281.219461][ T7235]  </TASK>
[  281.219486][ T7235] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.219495][ T7235] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.006802][ T7240] loop1: detected capacity change from 0 to 32768
[  282.023158][ T7240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.023181][ T7240] CPU: 0 UID: 0 PID: 7240 Comm: syz.1.145 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  282.023212][ T7240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  282.023224][ T7240] Call Trace:
[  282.023232][ T7240]  <TASK>
[  282.023241][ T7240]  dump_stack_lvl+0xe8/0x150
[  282.023270][ T7240]  sysfs_create_dir_ns+0x271/0x2a0
[  282.023298][ T7240]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  282.023325][ T7240]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.023354][ T7240]  ? rt_spin_unlock+0x160/0x200
[  282.023381][ T7240]  kobject_add_internal+0x631/0xd10
[  282.023410][ T7240]  kobject_init_and_add+0x12b/0x1a0
[  282.023436][ T7240]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.023459][ T7240]  ? __raw_spin_lock_init+0x45/0x100
[  282.023486][ T7240]  ? __init_swait_queue_head+0xa9/0x150
[  282.023514][ T7240]  gfs2_sys_fs_add+0x257/0x480
[  282.023541][ T7240]  ? is_dynamic_key+0x1ac/0x1c0
[  282.023568][ T7240]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.023603][ T7240]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.023643][ T7240]  gfs2_fill_super+0x141c/0x2220
[  282.023681][ T7240]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.023700][ T7240]  ? rt_spin_unlock+0x14f/0x200
[  282.023728][ T7240]  ? sb_set_blocksize+0x11b/0x210
[  282.023753][ T7240]  ? setup_bdev_super+0x4c1/0x5b0
[  282.023777][ T7240]  get_tree_bdev_flags+0x431/0x4f0
[  282.023798][ T7240]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.023821][ T7240]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.023841][ T7240]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.023872][ T7240]  gfs2_get_tree+0x51/0x1e0
[  282.023898][ T7240]  vfs_get_tree+0x92/0x2a0
[  282.023926][ T7240]  do_new_mount+0x341/0xd30
[  282.023950][ T7240]  ? apparmor_capable+0x126/0x170
[  282.023981][ T7240]  ? __pfx_do_new_mount+0x10/0x10
[  282.024007][ T7240]  ? ns_capable+0x89/0xe0
[  282.024034][ T7240]  ? user_path_at+0xd4/0x160
[  282.024066][ T7240]  ? user_path_at+0xd4/0x160
[  282.024096][ T7240]  __se_sys_mount+0x31d/0x420
[  282.024128][ T7240]  ? __pfx___se_sys_mount+0x10/0x10
[  282.024160][ T7240]  ? __x64_sys_mount+0x20/0xc0
[  282.024188][ T7240]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.024216][ T7240]  do_syscall_64+0x15f/0xf80
[  282.024235][ T7240]  ? trace_irq_disable+0x3b/0x140
[  282.024261][ T7240]  ? clear_bhb_loop+0x40/0x90
[  282.024285][ T7240]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.024305][ T7240] RIP: 0033:0x7f16a672b60a
[  282.024325][ T7240] 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
[  282.024340][ T7240] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.024361][ T7240] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  282.024375][ T7240] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  282.024390][ T7240] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  282.024402][ T7240] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  282.024414][ T7240] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  282.024444][ T7240]  </TASK>
[  282.026739][ T7240] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.026760][ T7240] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.786855][ T7245] loop1: detected capacity change from 0 to 32768
[  282.800429][ T7245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.800452][ T7245] CPU: 1 UID: 0 PID: 7245 Comm: syz.1.146 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  282.800475][ T7245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  282.800486][ T7245] Call Trace:
[  282.800494][ T7245]  <TASK>
[  282.800503][ T7245]  dump_stack_lvl+0xe8/0x150
[  282.800533][ T7245]  sysfs_create_dir_ns+0x271/0x2a0
[  282.800560][ T7245]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  282.800586][ T7245]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.800616][ T7245]  ? rt_spin_unlock+0x160/0x200
[  282.800642][ T7245]  kobject_add_internal+0x631/0xd10
[  282.800672][ T7245]  kobject_init_and_add+0x12b/0x1a0
[  282.800698][ T7245]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.800720][ T7245]  ? __raw_spin_lock_init+0x45/0x100
[  282.800748][ T7245]  ? __init_swait_queue_head+0xa9/0x150
[  282.800777][ T7245]  gfs2_sys_fs_add+0x257/0x480
[  282.800804][ T7245]  ? is_dynamic_key+0x1ac/0x1c0
[  282.800832][ T7245]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.800867][ T7245]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.800918][ T7245]  gfs2_fill_super+0x141c/0x2220
[  282.800955][ T7245]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.800974][ T7245]  ? rt_spin_unlock+0x14f/0x200
[  282.801001][ T7245]  ? sb_set_blocksize+0x11b/0x210
[  282.801025][ T7245]  ? setup_bdev_super+0x4c1/0x5b0
[  282.801048][ T7245]  get_tree_bdev_flags+0x431/0x4f0
[  282.801069][ T7245]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.801091][ T7245]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.801110][ T7245]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.801139][ T7245]  gfs2_get_tree+0x51/0x1e0
[  282.801169][ T7245]  vfs_get_tree+0x92/0x2a0
[  282.801190][ T7245]  do_new_mount+0x341/0xd30
[  282.801213][ T7245]  ? apparmor_capable+0x126/0x170
[  282.801242][ T7245]  ? __pfx_do_new_mount+0x10/0x10
[  282.801267][ T7245]  ? ns_capable+0x89/0xe0
[  282.801295][ T7245]  ? user_path_at+0xd4/0x160
[  282.801327][ T7245]  ? user_path_at+0xd4/0x160
[  282.801355][ T7245]  __se_sys_mount+0x31d/0x420
[  282.801386][ T7245]  ? __pfx___se_sys_mount+0x10/0x10
[  282.801417][ T7245]  ? __x64_sys_mount+0x20/0xc0
[  282.801442][ T7245]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.801470][ T7245]  do_syscall_64+0x15f/0xf80
[  282.801489][ T7245]  ? trace_irq_disable+0x3b/0x140
[  282.801514][ T7245]  ? clear_bhb_loop+0x40/0x90
[  282.801543][ T7245]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.801562][ T7245] RIP: 0033:0x7f16a672b60a
[  282.801581][ T7245] 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
[  282.801597][ T7245] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.801618][ T7245] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  282.801632][ T7245] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  282.801646][ T7245] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  282.801659][ T7245] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  282.801672][ T7245] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  282.801702][ T7245]  </TASK>
[  282.801741][ T7245] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.801782][ T7245] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.566317][ T7250] loop1: detected capacity change from 0 to 32768
[  283.577350][ T7250] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.577371][ T7250] CPU: 0 UID: 0 PID: 7250 Comm: syz.1.147 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  283.577394][ T7250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  283.577405][ T7250] Call Trace:
[  283.577413][ T7250]  <TASK>
[  283.577422][ T7250]  dump_stack_lvl+0xe8/0x150
[  283.577452][ T7250]  sysfs_create_dir_ns+0x271/0x2a0
[  283.577480][ T7250]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  283.577506][ T7250]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.577536][ T7250]  ? rt_spin_unlock+0x160/0x200
[  283.577562][ T7250]  kobject_add_internal+0x631/0xd10
[  283.577593][ T7250]  kobject_init_and_add+0x12b/0x1a0
[  283.577618][ T7250]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.577641][ T7250]  ? __raw_spin_lock_init+0x45/0x100
[  283.577668][ T7250]  ? __init_swait_queue_head+0xa9/0x150
[  283.577695][ T7250]  gfs2_sys_fs_add+0x257/0x480
[  283.577726][ T7250]  ? is_dynamic_key+0x1ac/0x1c0
[  283.577753][ T7250]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.577788][ T7250]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.577828][ T7250]  gfs2_fill_super+0x141c/0x2220
[  283.577863][ T7250]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.577882][ T7250]  ? rt_spin_unlock+0x14f/0x200
[  283.577908][ T7250]  ? sb_set_blocksize+0x11b/0x210
[  283.577931][ T7250]  ? setup_bdev_super+0x4c1/0x5b0
[  283.577955][ T7250]  get_tree_bdev_flags+0x431/0x4f0
[  283.577975][ T7250]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.577997][ T7250]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.578016][ T7250]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.578046][ T7250]  gfs2_get_tree+0x51/0x1e0
[  283.578069][ T7250]  vfs_get_tree+0x92/0x2a0
[  283.578099][ T7250]  do_new_mount+0x341/0xd30
[  283.578122][ T7250]  ? apparmor_capable+0x126/0x170
[  283.578152][ T7250]  ? __pfx_do_new_mount+0x10/0x10
[  283.578176][ T7250]  ? ns_capable+0x89/0xe0
[  283.578202][ T7250]  ? user_path_at+0xd4/0x160
[  283.578234][ T7250]  ? user_path_at+0xd4/0x160
[  283.578264][ T7250]  __se_sys_mount+0x31d/0x420
[  283.578296][ T7250]  ? __pfx___se_sys_mount+0x10/0x10
[  283.578325][ T7250]  ? __x64_sys_mount+0x20/0xc0
[  283.578350][ T7250]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.578371][ T7250]  do_syscall_64+0x15f/0xf80
[  283.578390][ T7250]  ? trace_irq_disable+0x3b/0x140
[  283.578414][ T7250]  ? clear_bhb_loop+0x40/0x90
[  283.578438][ T7250]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.578458][ T7250] RIP: 0033:0x7f16a672b60a
[  283.578476][ T7250] 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
[  283.578493][ T7250] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.578515][ T7250] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  283.578530][ T7250] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  283.578544][ T7250] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  283.578558][ T7250] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  283.578571][ T7250] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  283.578602][ T7250]  </TASK>
[  283.585200][ T7250] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.585220][ T7250] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.294793][ T7255] loop1: detected capacity change from 0 to 32768
[  284.300493][ T7255] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.300515][ T7255] CPU: 0 UID: 0 PID: 7255 Comm: syz.1.148 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  284.300538][ T7255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  284.300549][ T7255] Call Trace:
[  284.300556][ T7255]  <TASK>
[  284.300564][ T7255]  dump_stack_lvl+0xe8/0x150
[  284.300593][ T7255]  sysfs_create_dir_ns+0x271/0x2a0
[  284.300619][ T7255]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  284.300644][ T7255]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.300673][ T7255]  ? rt_spin_unlock+0x160/0x200
[  284.300698][ T7255]  kobject_add_internal+0x631/0xd10
[  284.300726][ T7255]  kobject_init_and_add+0x12b/0x1a0
[  284.300761][ T7255]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.300783][ T7255]  ? __raw_spin_lock_init+0x45/0x100
[  284.300811][ T7255]  ? __init_swait_queue_head+0xa9/0x150
[  284.300838][ T7255]  gfs2_sys_fs_add+0x257/0x480
[  284.300863][ T7255]  ? is_dynamic_key+0x1ac/0x1c0
[  284.300890][ T7255]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.300925][ T7255]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.300964][ T7255]  gfs2_fill_super+0x141c/0x2220
[  284.300998][ T7255]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.301018][ T7255]  ? rt_spin_unlock+0x14f/0x200
[  284.301045][ T7255]  ? sb_set_blocksize+0x11b/0x210
[  284.301068][ T7255]  ? setup_bdev_super+0x4c1/0x5b0
[  284.301092][ T7255]  get_tree_bdev_flags+0x431/0x4f0
[  284.301112][ T7255]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.301134][ T7255]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.301152][ T7255]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.301180][ T7255]  gfs2_get_tree+0x51/0x1e0
[  284.301205][ T7255]  vfs_get_tree+0x92/0x2a0
[  284.301227][ T7255]  do_new_mount+0x341/0xd30
[  284.301249][ T7255]  ? apparmor_capable+0x126/0x170
[  284.301277][ T7255]  ? __pfx_do_new_mount+0x10/0x10
[  284.301301][ T7255]  ? ns_capable+0x89/0xe0
[  284.301327][ T7255]  ? user_path_at+0xd4/0x160
[  284.301358][ T7255]  ? user_path_at+0xd4/0x160
[  284.301386][ T7255]  __se_sys_mount+0x31d/0x420
[  284.301416][ T7255]  ? __pfx___se_sys_mount+0x10/0x10
[  284.301447][ T7255]  ? __x64_sys_mount+0x20/0xc0
[  284.301470][ T7255]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.301491][ T7255]  do_syscall_64+0x15f/0xf80
[  284.301508][ T7255]  ? trace_irq_disable+0x3b/0x140
[  284.301533][ T7255]  ? clear_bhb_loop+0x40/0x90
[  284.301556][ T7255]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.301575][ T7255] RIP: 0033:0x7f16a672b60a
[  284.301592][ T7255] 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
[  284.301608][ T7255] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.301628][ T7255] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  284.301643][ T7255] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  284.301657][ T7255] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  284.301670][ T7255] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  284.301682][ T7255] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  284.301711][ T7255]  </TASK>
[  284.303275][ T7255] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.303293][ T7255] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.019286][ T7260] loop1: detected capacity change from 0 to 32768
[  285.028727][ T7260] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.028749][ T7260] CPU: 1 UID: 0 PID: 7260 Comm: syz.1.149 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  285.028772][ T7260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  285.028783][ T7260] Call Trace:
[  285.028791][ T7260]  <TASK>
[  285.028800][ T7260]  dump_stack_lvl+0xe8/0x150
[  285.028830][ T7260]  sysfs_create_dir_ns+0x271/0x2a0
[  285.028857][ T7260]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  285.028884][ T7260]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.028913][ T7260]  ? rt_spin_unlock+0x160/0x200
[  285.028939][ T7260]  kobject_add_internal+0x631/0xd10
[  285.028969][ T7260]  kobject_init_and_add+0x12b/0x1a0
[  285.029005][ T7260]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.029028][ T7260]  ? __raw_spin_lock_init+0x45/0x100
[  285.029053][ T7260]  ? __init_swait_queue_head+0xa9/0x150
[  285.029081][ T7260]  gfs2_sys_fs_add+0x257/0x480
[  285.029108][ T7260]  ? is_dynamic_key+0x1ac/0x1c0
[  285.029136][ T7260]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.029172][ T7260]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.029213][ T7260]  gfs2_fill_super+0x141c/0x2220
[  285.029249][ T7260]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.029269][ T7260]  ? rt_spin_unlock+0x14f/0x200
[  285.029296][ T7260]  ? sb_set_blocksize+0x11b/0x210
[  285.029320][ T7260]  ? setup_bdev_super+0x4c1/0x5b0
[  285.029343][ T7260]  get_tree_bdev_flags+0x431/0x4f0
[  285.029365][ T7260]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.029387][ T7260]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.029405][ T7260]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.029436][ T7260]  gfs2_get_tree+0x51/0x1e0
[  285.029461][ T7260]  vfs_get_tree+0x92/0x2a0
[  285.029483][ T7260]  do_new_mount+0x341/0xd30
[  285.029511][ T7260]  ? apparmor_capable+0x126/0x170
[  285.029537][ T7260]  ? __pfx_do_new_mount+0x10/0x10
[  285.029562][ T7260]  ? ns_capable+0x89/0xe0
[  285.029587][ T7260]  ? user_path_at+0xd4/0x160
[  285.029619][ T7260]  ? user_path_at+0xd4/0x160
[  285.029648][ T7260]  __se_sys_mount+0x31d/0x420
[  285.029679][ T7260]  ? __pfx___se_sys_mount+0x10/0x10
[  285.029711][ T7260]  ? __x64_sys_mount+0x20/0xc0
[  285.029733][ T7260]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.029755][ T7260]  do_syscall_64+0x15f/0xf80
[  285.029773][ T7260]  ? trace_irq_disable+0x3b/0x140
[  285.029798][ T7260]  ? clear_bhb_loop+0x40/0x90
[  285.029823][ T7260]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.029842][ T7260] RIP: 0033:0x7f16a672b60a
[  285.029862][ T7260] 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
[  285.029879][ T7260] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.029900][ T7260] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  285.029913][ T7260] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  285.029925][ T7260] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  285.029938][ T7260] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  285.029950][ T7260] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  285.029979][ T7260]  </TASK>
[  285.046309][ T7260] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.046329][ T7260] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.789403][ T7265] loop1: detected capacity change from 0 to 32768
[  285.798327][ T7265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.798348][ T7265] CPU: 0 UID: 0 PID: 7265 Comm: syz.1.150 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  285.798371][ T7265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  285.798383][ T7265] Call Trace:
[  285.798391][ T7265]  <TASK>
[  285.798400][ T7265]  dump_stack_lvl+0xe8/0x150
[  285.798430][ T7265]  sysfs_create_dir_ns+0x271/0x2a0
[  285.798456][ T7265]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  285.798482][ T7265]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.798510][ T7265]  ? rt_spin_unlock+0x160/0x200
[  285.798536][ T7265]  kobject_add_internal+0x631/0xd10
[  285.798563][ T7265]  kobject_init_and_add+0x12b/0x1a0
[  285.798589][ T7265]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.798611][ T7265]  ? __raw_spin_lock_init+0x45/0x100
[  285.798637][ T7265]  ? __init_swait_queue_head+0xa9/0x150
[  285.798674][ T7265]  gfs2_sys_fs_add+0x257/0x480
[  285.798700][ T7265]  ? is_dynamic_key+0x1ac/0x1c0
[  285.798728][ T7265]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.798761][ T7265]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.798803][ T7265]  gfs2_fill_super+0x141c/0x2220
[  285.798840][ T7265]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.798859][ T7265]  ? rt_spin_unlock+0x14f/0x200
[  285.798887][ T7265]  ? sb_set_blocksize+0x11b/0x210
[  285.798910][ T7265]  ? setup_bdev_super+0x4c1/0x5b0
[  285.798934][ T7265]  get_tree_bdev_flags+0x431/0x4f0
[  285.798955][ T7265]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.798977][ T7265]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.798995][ T7265]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.799024][ T7265]  gfs2_get_tree+0x51/0x1e0
[  285.799049][ T7265]  vfs_get_tree+0x92/0x2a0
[  285.799072][ T7265]  do_new_mount+0x341/0xd30
[  285.799102][ T7265]  ? apparmor_capable+0x126/0x170
[  285.799132][ T7265]  ? __pfx_do_new_mount+0x10/0x10
[  285.799157][ T7265]  ? ns_capable+0x89/0xe0
[  285.799183][ T7265]  ? user_path_at+0xd4/0x160
[  285.799214][ T7265]  ? user_path_at+0xd4/0x160
[  285.799242][ T7265]  __se_sys_mount+0x31d/0x420
[  285.799272][ T7265]  ? __pfx___se_sys_mount+0x10/0x10
[  285.799303][ T7265]  ? __x64_sys_mount+0x20/0xc0
[  285.799326][ T7265]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.799346][ T7265]  do_syscall_64+0x15f/0xf80
[  285.799365][ T7265]  ? trace_irq_disable+0x3b/0x140
[  285.799389][ T7265]  ? clear_bhb_loop+0x40/0x90
[  285.799413][ T7265]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.799432][ T7265] RIP: 0033:0x7f16a672b60a
[  285.799450][ T7265] 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
[  285.799467][ T7265] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.799488][ T7265] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  285.799502][ T7265] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  285.799516][ T7265] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  285.799530][ T7265] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  285.799543][ T7265] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  285.799573][ T7265]  </TASK>
[  285.799663][ T7265] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.799679][ T7265] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.550670][ T7270] loop1: detected capacity change from 0 to 32768
[  286.558263][ T7270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.558285][ T7270] CPU: 0 UID: 0 PID: 7270 Comm: syz.1.151 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  286.558307][ T7270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  286.558319][ T7270] Call Trace:
[  286.558326][ T7270]  <TASK>
[  286.558335][ T7270]  dump_stack_lvl+0xe8/0x150
[  286.558366][ T7270]  sysfs_create_dir_ns+0x271/0x2a0
[  286.558393][ T7270]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  286.558420][ T7270]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.558450][ T7270]  ? rt_spin_unlock+0x160/0x200
[  286.558476][ T7270]  kobject_add_internal+0x631/0xd10
[  286.558506][ T7270]  kobject_init_and_add+0x12b/0x1a0
[  286.558535][ T7270]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.558558][ T7270]  ? __raw_spin_lock_init+0x45/0x100
[  286.558594][ T7270]  ? __init_swait_queue_head+0xa9/0x150
[  286.558623][ T7270]  gfs2_sys_fs_add+0x257/0x480
[  286.558650][ T7270]  ? is_dynamic_key+0x1ac/0x1c0
[  286.558678][ T7270]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.558713][ T7270]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.558753][ T7270]  gfs2_fill_super+0x141c/0x2220
[  286.558790][ T7270]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.558810][ T7270]  ? rt_spin_unlock+0x14f/0x200
[  286.558838][ T7270]  ? sb_set_blocksize+0x11b/0x210
[  286.558863][ T7270]  ? setup_bdev_super+0x4c1/0x5b0
[  286.558888][ T7270]  get_tree_bdev_flags+0x431/0x4f0
[  286.558909][ T7270]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.558931][ T7270]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.558950][ T7270]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.558980][ T7270]  gfs2_get_tree+0x51/0x1e0
[  286.559006][ T7270]  vfs_get_tree+0x92/0x2a0
[  286.559029][ T7270]  do_new_mount+0x341/0xd30
[  286.559053][ T7270]  ? apparmor_capable+0x126/0x170
[  286.559083][ T7270]  ? __pfx_do_new_mount+0x10/0x10
[  286.559108][ T7270]  ? ns_capable+0x89/0xe0
[  286.559135][ T7270]  ? user_path_at+0xd4/0x160
[  286.559167][ T7270]  ? user_path_at+0xd4/0x160
[  286.559198][ T7270]  __se_sys_mount+0x31d/0x420
[  286.559230][ T7270]  ? __pfx___se_sys_mount+0x10/0x10
[  286.559262][ T7270]  ? __x64_sys_mount+0x20/0xc0
[  286.559285][ T7270]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.559306][ T7270]  do_syscall_64+0x15f/0xf80
[  286.559325][ T7270]  ? trace_irq_disable+0x3b/0x140
[  286.559349][ T7270]  ? clear_bhb_loop+0x40/0x90
[  286.559373][ T7270]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.559393][ T7270] RIP: 0033:0x7f16a672b60a
[  286.559411][ T7270] 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
[  286.559428][ T7270] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.559449][ T7270] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  286.559464][ T7270] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  286.559478][ T7270] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
2026/04/28 07:23:18 executed programs: 137
[  286.559496][ T7270] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  286.559509][ T7270] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  286.559540][ T7270]  </TASK>
[  286.567347][ T7270] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.567368][ T7270] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.312504][ T7275] loop1: detected capacity change from 0 to 32768
[  287.317676][ T7275] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.317698][ T7275] CPU: 0 UID: 0 PID: 7275 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  287.317720][ T7275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  287.317732][ T7275] Call Trace:
[  287.317740][ T7275]  <TASK>
[  287.317748][ T7275]  dump_stack_lvl+0xe8/0x150
[  287.317779][ T7275]  sysfs_create_dir_ns+0x271/0x2a0
[  287.317805][ T7275]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.317831][ T7275]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.317860][ T7275]  ? rt_spin_unlock+0x160/0x200
[  287.317887][ T7275]  kobject_add_internal+0x631/0xd10
[  287.317916][ T7275]  kobject_init_and_add+0x12b/0x1a0
[  287.317943][ T7275]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.317966][ T7275]  ? __raw_spin_lock_init+0x45/0x100
[  287.317994][ T7275]  ? __init_swait_queue_head+0xa9/0x150
[  287.318022][ T7275]  gfs2_sys_fs_add+0x257/0x480
[  287.318048][ T7275]  ? is_dynamic_key+0x1ac/0x1c0
[  287.318075][ T7275]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.318111][ T7275]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.318152][ T7275]  gfs2_fill_super+0x141c/0x2220
[  287.318189][ T7275]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.318210][ T7275]  ? rt_spin_unlock+0x14f/0x200
[  287.318238][ T7275]  ? sb_set_blocksize+0x11b/0x210
[  287.318262][ T7275]  ? setup_bdev_super+0x4c1/0x5b0
[  287.318286][ T7275]  get_tree_bdev_flags+0x431/0x4f0
[  287.318305][ T7275]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.318324][ T7275]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.318341][ T7275]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.318368][ T7275]  gfs2_get_tree+0x51/0x1e0
[  287.318392][ T7275]  vfs_get_tree+0x92/0x2a0
[  287.318414][ T7275]  do_new_mount+0x341/0xd30
[  287.318438][ T7275]  ? apparmor_capable+0x126/0x170
[  287.318466][ T7275]  ? __pfx_do_new_mount+0x10/0x10
[  287.318489][ T7275]  ? ns_capable+0x89/0xe0
[  287.318514][ T7275]  ? user_path_at+0xd4/0x160
[  287.318542][ T7275]  ? user_path_at+0xd4/0x160
[  287.318582][ T7275]  __se_sys_mount+0x31d/0x420
[  287.318611][ T7275]  ? __pfx___se_sys_mount+0x10/0x10
[  287.318641][ T7275]  ? __x64_sys_mount+0x20/0xc0
[  287.318669][ T7275]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.318690][ T7275]  do_syscall_64+0x15f/0xf80
[  287.318706][ T7275]  ? trace_irq_disable+0x3b/0x140
[  287.318729][ T7275]  ? clear_bhb_loop+0x40/0x90
[  287.318749][ T7275]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.318767][ T7275] RIP: 0033:0x7f16a672b60a
[  287.318785][ T7275] 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
[  287.318800][ T7275] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.318821][ T7275] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  287.318837][ T7275] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  287.318850][ T7275] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  287.318862][ T7275] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  287.318873][ T7275] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  287.318906][ T7275]  </TASK>
[  287.319095][ T7275] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.319112][ T7275] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.088062][ T7280] loop1: detected capacity change from 0 to 32768
[  288.101058][ T7280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.101081][ T7280] CPU: 1 UID: 0 PID: 7280 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  288.101102][ T7280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  288.101114][ T7280] Call Trace:
[  288.101122][ T7280]  <TASK>
[  288.101130][ T7280]  dump_stack_lvl+0xe8/0x150
[  288.101159][ T7280]  sysfs_create_dir_ns+0x271/0x2a0
[  288.101186][ T7280]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  288.101211][ T7280]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.101240][ T7280]  ? rt_spin_unlock+0x160/0x200
[  288.101265][ T7280]  kobject_add_internal+0x631/0xd10
[  288.101294][ T7280]  kobject_init_and_add+0x12b/0x1a0
[  288.101319][ T7280]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.101342][ T7280]  ? __raw_spin_lock_init+0x45/0x100
[  288.101367][ T7280]  ? __init_swait_queue_head+0xa9/0x150
[  288.101395][ T7280]  gfs2_sys_fs_add+0x257/0x480
[  288.101425][ T7280]  ? is_dynamic_key+0x1ac/0x1c0
[  288.101451][ T7280]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.101486][ T7280]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.101534][ T7280]  gfs2_fill_super+0x141c/0x2220
[  288.101568][ T7280]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.101583][ T7280]  ? rt_spin_unlock+0x14f/0x200
[  288.101604][ T7280]  ? sb_set_blocksize+0x11b/0x210
[  288.101622][ T7280]  ? setup_bdev_super+0x4c1/0x5b0
[  288.101640][ T7280]  get_tree_bdev_flags+0x431/0x4f0
[  288.101656][ T7280]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.101672][ T7280]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.101687][ T7280]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.101709][ T7280]  gfs2_get_tree+0x51/0x1e0
[  288.101728][ T7280]  vfs_get_tree+0x92/0x2a0
[  288.101746][ T7280]  do_new_mount+0x341/0xd30
[  288.101764][ T7280]  ? apparmor_capable+0x126/0x170
[  288.101788][ T7280]  ? __pfx_do_new_mount+0x10/0x10
[  288.101806][ T7280]  ? ns_capable+0x89/0xe0
[  288.101826][ T7280]  ? user_path_at+0xd4/0x160
[  288.101852][ T7280]  ? user_path_at+0xd4/0x160
[  288.101875][ T7280]  __se_sys_mount+0x31d/0x420
[  288.101902][ T7280]  ? __pfx___se_sys_mount+0x10/0x10
[  288.101926][ T7280]  ? __x64_sys_mount+0x20/0xc0
[  288.101944][ T7280]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.101960][ T7280]  do_syscall_64+0x15f/0xf80
[  288.101973][ T7280]  ? trace_irq_disable+0x3b/0x140
[  288.101992][ T7280]  ? clear_bhb_loop+0x40/0x90
[  288.102010][ T7280]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.102024][ T7280] RIP: 0033:0x7f16a672b60a
[  288.102039][ T7280] 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
[  288.102052][ T7280] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.102068][ T7280] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  288.102079][ T7280] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  288.102089][ T7280] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  288.102099][ T7280] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  288.102108][ T7280] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  288.102131][ T7280]  </TASK>
[  288.102166][ T7280] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.102179][ T7280] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.039629][ T7285] loop1: detected capacity change from 0 to 32768
[  289.048214][ T7285] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.048235][ T7285] CPU: 0 UID: 0 PID: 7285 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  289.048257][ T7285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  289.048269][ T7285] Call Trace:
[  289.048277][ T7285]  <TASK>
[  289.048285][ T7285]  dump_stack_lvl+0xe8/0x150
[  289.048312][ T7285]  sysfs_create_dir_ns+0x271/0x2a0
[  289.048337][ T7285]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.048362][ T7285]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.048397][ T7285]  ? rt_spin_unlock+0x160/0x200
[  289.048423][ T7285]  kobject_add_internal+0x631/0xd10
[  289.048451][ T7285]  kobject_init_and_add+0x12b/0x1a0
[  289.048474][ T7285]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.048495][ T7285]  ? __raw_spin_lock_init+0x45/0x100
[  289.048521][ T7285]  ? __init_swait_queue_head+0xa9/0x150
[  289.048548][ T7285]  gfs2_sys_fs_add+0x257/0x480
[  289.048574][ T7285]  ? is_dynamic_key+0x1ac/0x1c0
[  289.048600][ T7285]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.048632][ T7285]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.048672][ T7285]  gfs2_fill_super+0x141c/0x2220
[  289.048708][ T7285]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.048725][ T7285]  ? rt_spin_unlock+0x14f/0x200
[  289.048752][ T7285]  ? sb_set_blocksize+0x11b/0x210
[  289.048776][ T7285]  ? setup_bdev_super+0x4c1/0x5b0
[  289.048799][ T7285]  get_tree_bdev_flags+0x431/0x4f0
[  289.048819][ T7285]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.048839][ T7285]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.048856][ T7285]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.048883][ T7285]  gfs2_get_tree+0x51/0x1e0
[  289.048907][ T7285]  vfs_get_tree+0x92/0x2a0
[  289.048929][ T7285]  do_new_mount+0x341/0xd30
[  289.048956][ T7285]  ? apparmor_capable+0x126/0x170
[  289.048986][ T7285]  ? __pfx_do_new_mount+0x10/0x10
[  289.049011][ T7285]  ? ns_capable+0x89/0xe0
[  289.049037][ T7285]  ? user_path_at+0xd4/0x160
[  289.049067][ T7285]  ? user_path_at+0xd4/0x160
[  289.049095][ T7285]  __se_sys_mount+0x31d/0x420
[  289.049126][ T7285]  ? __pfx___se_sys_mount+0x10/0x10
[  289.049156][ T7285]  ? __x64_sys_mount+0x20/0xc0
[  289.049179][ T7285]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.049200][ T7285]  do_syscall_64+0x15f/0xf80
[  289.049218][ T7285]  ? trace_irq_disable+0x3b/0x140
[  289.049242][ T7285]  ? clear_bhb_loop+0x40/0x90
[  289.049266][ T7285]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.049284][ T7285] RIP: 0033:0x7f16a672b60a
[  289.049303][ T7285] 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
[  289.049320][ T7285] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.049340][ T7285] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  289.049355][ T7285] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  289.049378][ T7285] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  289.049391][ T7285] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  289.049404][ T7285] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  289.049433][ T7285]  </TASK>
[  289.049523][ T7285] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.049539][ T7285] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.799591][ T7290] loop1: detected capacity change from 0 to 32768
[  289.819131][ T7290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.819154][ T7290] CPU: 0 UID: 0 PID: 7290 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  289.819181][ T7290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  289.819192][ T7290] Call Trace:
[  289.819200][ T7290]  <TASK>
[  289.819209][ T7290]  dump_stack_lvl+0xe8/0x150
[  289.819239][ T7290]  sysfs_create_dir_ns+0x271/0x2a0
[  289.819267][ T7290]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.819293][ T7290]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.819322][ T7290]  ? rt_spin_unlock+0x160/0x200
[  289.819347][ T7290]  kobject_add_internal+0x631/0xd10
[  289.819377][ T7290]  kobject_init_and_add+0x12b/0x1a0
[  289.819404][ T7290]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.819426][ T7290]  ? __raw_spin_lock_init+0x45/0x100
[  289.819453][ T7290]  ? __init_swait_queue_head+0xa9/0x150
[  289.819482][ T7290]  gfs2_sys_fs_add+0x257/0x480
[  289.819508][ T7290]  ? is_dynamic_key+0x1ac/0x1c0
[  289.819534][ T7290]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.819569][ T7290]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.819620][ T7290]  gfs2_fill_super+0x141c/0x2220
[  289.819657][ T7290]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.819677][ T7290]  ? rt_spin_unlock+0x14f/0x200
[  289.819706][ T7290]  ? sb_set_blocksize+0x11b/0x210
[  289.819729][ T7290]  ? setup_bdev_super+0x4c1/0x5b0
[  289.819753][ T7290]  get_tree_bdev_flags+0x431/0x4f0
[  289.819774][ T7290]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.819794][ T7290]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.819813][ T7290]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.819841][ T7290]  gfs2_get_tree+0x51/0x1e0
[  289.819866][ T7290]  vfs_get_tree+0x92/0x2a0
[  289.819889][ T7290]  do_new_mount+0x341/0xd30
[  289.819909][ T7290]  ? apparmor_capable+0x126/0x170
[  289.819936][ T7290]  ? __pfx_do_new_mount+0x10/0x10
[  289.819959][ T7290]  ? ns_capable+0x89/0xe0
[  289.819984][ T7290]  ? user_path_at+0xd4/0x160
[  289.820013][ T7290]  ? user_path_at+0xd4/0x160
[  289.820040][ T7290]  __se_sys_mount+0x31d/0x420
[  289.820068][ T7290]  ? __pfx___se_sys_mount+0x10/0x10
[  289.820098][ T7290]  ? __x64_sys_mount+0x20/0xc0
[  289.820121][ T7290]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.820140][ T7290]  do_syscall_64+0x15f/0xf80
[  289.820157][ T7290]  ? trace_irq_disable+0x3b/0x140
[  289.820182][ T7290]  ? clear_bhb_loop+0x40/0x90
[  289.820205][ T7290]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.820223][ T7290] RIP: 0033:0x7f16a672b60a
[  289.820242][ T7290] 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
[  289.820258][ T7290] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.820280][ T7290] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  289.820294][ T7290] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  289.820308][ T7290] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  289.820322][ T7290] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  289.820334][ T7290] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  289.820363][ T7290]  </TASK>
[  289.821472][ T7290] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.821491][ T7290] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.568039][ T7295] loop1: detected capacity change from 0 to 32768
[  290.579348][ T7295] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.579370][ T7295] CPU: 1 UID: 0 PID: 7295 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  290.579392][ T7295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  290.579403][ T7295] Call Trace:
[  290.579411][ T7295]  <TASK>
[  290.579419][ T7295]  dump_stack_lvl+0xe8/0x150
[  290.579450][ T7295]  sysfs_create_dir_ns+0x271/0x2a0
[  290.579478][ T7295]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  290.579512][ T7295]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.579542][ T7295]  ? rt_spin_unlock+0x160/0x200
[  290.579569][ T7295]  kobject_add_internal+0x631/0xd10
[  290.579603][ T7295]  kobject_init_and_add+0x12b/0x1a0
[  290.579631][ T7295]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.579654][ T7295]  ? __raw_spin_lock_init+0x45/0x100
[  290.579682][ T7295]  ? __init_swait_queue_head+0xa9/0x150
[  290.579711][ T7295]  gfs2_sys_fs_add+0x257/0x480
[  290.579737][ T7295]  ? is_dynamic_key+0x1ac/0x1c0
[  290.579764][ T7295]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.579800][ T7295]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.579840][ T7295]  gfs2_fill_super+0x141c/0x2220
[  290.579878][ T7295]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.579897][ T7295]  ? rt_spin_unlock+0x14f/0x200
[  290.579923][ T7295]  ? sb_set_blocksize+0x11b/0x210
[  290.579945][ T7295]  ? setup_bdev_super+0x4c1/0x5b0
[  290.579968][ T7295]  get_tree_bdev_flags+0x431/0x4f0
[  290.579989][ T7295]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.580010][ T7295]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.580028][ T7295]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.580059][ T7295]  gfs2_get_tree+0x51/0x1e0
[  290.580085][ T7295]  vfs_get_tree+0x92/0x2a0
[  290.580108][ T7295]  do_new_mount+0x341/0xd30
[  290.580131][ T7295]  ? apparmor_capable+0x126/0x170
[  290.580161][ T7295]  ? __pfx_do_new_mount+0x10/0x10
[  290.580185][ T7295]  ? ns_capable+0x89/0xe0
[  290.580212][ T7295]  ? user_path_at+0xd4/0x160
[  290.580245][ T7295]  ? user_path_at+0xd4/0x160
[  290.580272][ T7295]  __se_sys_mount+0x31d/0x420
[  290.580302][ T7295]  ? __pfx___se_sys_mount+0x10/0x10
[  290.580334][ T7295]  ? __x64_sys_mount+0x20/0xc0
[  290.580359][ T7295]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.580381][ T7295]  do_syscall_64+0x15f/0xf80
[  290.580399][ T7295]  ? trace_irq_disable+0x3b/0x140
[  290.580424][ T7295]  ? clear_bhb_loop+0x40/0x90
[  290.580448][ T7295]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.580467][ T7295] RIP: 0033:0x7f16a672b60a
[  290.580484][ T7295] 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
[  290.580500][ T7295] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.580527][ T7295] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  290.580543][ T7295] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  290.580556][ T7295] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  290.580570][ T7295] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  290.580583][ T7295] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  290.580614][ T7295]  </TASK>
[  290.582974][ T7295] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.582994][ T7295] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.338421][ T7300] loop1: detected capacity change from 0 to 32768
[  291.361013][ T7300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.361029][ T7300] CPU: 0 UID: 0 PID: 7300 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  291.361042][ T7300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  291.361049][ T7300] Call Trace:
[  291.361053][ T7300]  <TASK>
[  291.361058][ T7300]  dump_stack_lvl+0xe8/0x150
[  291.361077][ T7300]  sysfs_create_dir_ns+0x271/0x2a0
[  291.361094][ T7300]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.361109][ T7300]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.361126][ T7300]  ? rt_spin_unlock+0x160/0x200
[  291.361140][ T7300]  kobject_add_internal+0x631/0xd10
[  291.361156][ T7300]  kobject_init_and_add+0x12b/0x1a0
[  291.361170][ T7300]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.361183][ T7300]  ? __raw_spin_lock_init+0x45/0x100
[  291.361199][ T7300]  ? __init_swait_queue_head+0xa9/0x150
[  291.361215][ T7300]  gfs2_sys_fs_add+0x257/0x480
[  291.361243][ T7300]  ? is_dynamic_key+0x1ac/0x1c0
[  291.361266][ T7300]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.361285][ T7300]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.361308][ T7300]  gfs2_fill_super+0x141c/0x2220
[  291.361328][ T7300]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.361338][ T7300]  ? rt_spin_unlock+0x14f/0x200
[  291.361354][ T7300]  ? sb_set_blocksize+0x11b/0x210
[  291.361368][ T7300]  ? setup_bdev_super+0x4c1/0x5b0
[  291.361388][ T7300]  get_tree_bdev_flags+0x431/0x4f0
[  291.361400][ T7300]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.361412][ T7300]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.361422][ T7300]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.361438][ T7300]  gfs2_get_tree+0x51/0x1e0
[  291.361452][ T7300]  vfs_get_tree+0x92/0x2a0
[  291.361464][ T7300]  do_new_mount+0x341/0xd30
[  291.361508][ T7300]  ? apparmor_capable+0x126/0x170
[  291.361524][ T7300]  ? __pfx_do_new_mount+0x10/0x10
[  291.361538][ T7300]  ? ns_capable+0x89/0xe0
[  291.361552][ T7300]  ? user_path_at+0xd4/0x160
[  291.361570][ T7300]  ? user_path_at+0xd4/0x160
[  291.361586][ T7300]  __se_sys_mount+0x31d/0x420
[  291.361603][ T7300]  ? __pfx___se_sys_mount+0x10/0x10
[  291.361621][ T7300]  ? __x64_sys_mount+0x20/0xc0
[  291.361634][ T7300]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.361647][ T7300]  do_syscall_64+0x15f/0xf80
[  291.361656][ T7300]  ? trace_irq_disable+0x3b/0x140
[  291.361671][ T7300]  ? clear_bhb_loop+0x40/0x90
[  291.361684][ T7300]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.361694][ T7300] RIP: 0033:0x7f16a672b60a
[  291.361706][ T7300] 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
[  291.361715][ T7300] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.361732][ T7300] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  291.361741][ T7300] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  291.361748][ T7300] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  291.361756][ T7300] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  291.361763][ T7300] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  291.361779][ T7300]  </TASK>
[  291.361804][ T7300] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.361813][ T7300] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.147113][ T7305] loop1: detected capacity change from 0 to 32768
[  292.160592][ T7305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.160614][ T7305] CPU: 0 UID: 0 PID: 7305 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  292.160637][ T7305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  292.160648][ T7305] Call Trace:
[  292.160655][ T7305]  <TASK>
[  292.160664][ T7305]  dump_stack_lvl+0xe8/0x150
[  292.160694][ T7305]  sysfs_create_dir_ns+0x271/0x2a0
[  292.160721][ T7305]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  292.160747][ T7305]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.160776][ T7305]  ? rt_spin_unlock+0x160/0x200
[  292.160802][ T7305]  kobject_add_internal+0x631/0xd10
[  292.160833][ T7305]  kobject_init_and_add+0x12b/0x1a0
[  292.160860][ T7305]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.160883][ T7305]  ? __raw_spin_lock_init+0x45/0x100
[  292.160911][ T7305]  ? __init_swait_queue_head+0xa9/0x150
[  292.160939][ T7305]  gfs2_sys_fs_add+0x257/0x480
[  292.160966][ T7305]  ? is_dynamic_key+0x1ac/0x1c0
[  292.160994][ T7305]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.161028][ T7305]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.161069][ T7305]  gfs2_fill_super+0x141c/0x2220
[  292.161107][ T7305]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.161128][ T7305]  ? rt_spin_unlock+0x14f/0x200
[  292.161156][ T7305]  ? sb_set_blocksize+0x11b/0x210
[  292.161181][ T7305]  ? setup_bdev_super+0x4c1/0x5b0
[  292.161206][ T7305]  get_tree_bdev_flags+0x431/0x4f0
[  292.161227][ T7305]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.161249][ T7305]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.161268][ T7305]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.161298][ T7305]  gfs2_get_tree+0x51/0x1e0
[  292.161324][ T7305]  vfs_get_tree+0x92/0x2a0
[  292.161351][ T7305]  do_new_mount+0x341/0xd30
[  292.161374][ T7305]  ? apparmor_capable+0x126/0x170
[  292.161402][ T7305]  ? __pfx_do_new_mount+0x10/0x10
[  292.161426][ T7305]  ? ns_capable+0x89/0xe0
[  292.161451][ T7305]  ? user_path_at+0xd4/0x160
[  292.161491][ T7305]  ? user_path_at+0xd4/0x160
[  292.161521][ T7305]  __se_sys_mount+0x31d/0x420
[  292.161553][ T7305]  ? __pfx___se_sys_mount+0x10/0x10
[  292.161585][ T7305]  ? __x64_sys_mount+0x20/0xc0
[  292.161610][ T7305]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.161631][ T7305]  do_syscall_64+0x15f/0xf80
[  292.161649][ T7305]  ? trace_irq_disable+0x3b/0x140
[  292.161704][ T7305]  ? clear_bhb_loop+0x40/0x90
[  292.161728][ T7305]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.161748][ T7305] RIP: 0033:0x7f16a672b60a
[  292.161767][ T7305] 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
[  292.161784][ T7305] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.161805][ T7305] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
2026/04/28 07:23:23 executed programs: 144
[  292.161820][ T7305] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  292.161835][ T7305] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  292.161849][ T7305] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  292.161863][ T7305] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  292.161894][ T7305]  </TASK>
[  292.161945][ T7305] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.161962][ T7305] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.903850][ T7310] loop1: detected capacity change from 0 to 32768
[  292.919024][ T7310] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.919048][ T7310] CPU: 1 UID: 0 PID: 7310 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  292.919069][ T7310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  292.919080][ T7310] Call Trace:
[  292.919088][ T7310]  <TASK>
[  292.919097][ T7310]  dump_stack_lvl+0xe8/0x150
[  292.919126][ T7310]  sysfs_create_dir_ns+0x271/0x2a0
[  292.919154][ T7310]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  292.919180][ T7310]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.919210][ T7310]  ? rt_spin_unlock+0x160/0x200
[  292.919236][ T7310]  kobject_add_internal+0x631/0xd10
[  292.919267][ T7310]  kobject_init_and_add+0x12b/0x1a0
[  292.919293][ T7310]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.919324][ T7310]  ? __raw_spin_lock_init+0x45/0x100
[  292.919352][ T7310]  ? __init_swait_queue_head+0xa9/0x150
[  292.919378][ T7310]  gfs2_sys_fs_add+0x257/0x480
[  292.919404][ T7310]  ? is_dynamic_key+0x1ac/0x1c0
[  292.919430][ T7310]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.919465][ T7310]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.919505][ T7310]  gfs2_fill_super+0x141c/0x2220
[  292.919541][ T7310]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.919562][ T7310]  ? rt_spin_unlock+0x14f/0x200
[  292.919590][ T7310]  ? sb_set_blocksize+0x11b/0x210
[  292.919615][ T7310]  ? setup_bdev_super+0x4c1/0x5b0
[  292.919637][ T7310]  get_tree_bdev_flags+0x431/0x4f0
[  292.919659][ T7310]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.919680][ T7310]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.919699][ T7310]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.919729][ T7310]  gfs2_get_tree+0x51/0x1e0
[  292.919755][ T7310]  vfs_get_tree+0x92/0x2a0
[  292.919778][ T7310]  do_new_mount+0x341/0xd30
[  292.919800][ T7310]  ? apparmor_capable+0x126/0x170
[  292.919829][ T7310]  ? __pfx_do_new_mount+0x10/0x10
[  292.919853][ T7310]  ? ns_capable+0x89/0xe0
[  292.919879][ T7310]  ? user_path_at+0xd4/0x160
[  292.919912][ T7310]  ? user_path_at+0xd4/0x160
[  292.919940][ T7310]  __se_sys_mount+0x31d/0x420
[  292.919971][ T7310]  ? __pfx___se_sys_mount+0x10/0x10
[  292.920000][ T7310]  ? __x64_sys_mount+0x20/0xc0
[  292.920024][ T7310]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.920045][ T7310]  do_syscall_64+0x15f/0xf80
[  292.920062][ T7310]  ? trace_irq_disable+0x3b/0x140
[  292.920087][ T7310]  ? clear_bhb_loop+0x40/0x90
[  292.920110][ T7310]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.920129][ T7310] RIP: 0033:0x7f16a672b60a
[  292.920148][ T7310] 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
[  292.920165][ T7310] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.920187][ T7310] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  292.920202][ T7310] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  292.920216][ T7310] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  292.920230][ T7310] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  292.920243][ T7310] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  292.920272][ T7310]  </TASK>
[  292.930084][ T7310] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.930106][ T7310] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.689389][ T7315] loop1: detected capacity change from 0 to 32768
[  293.701328][ T7315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.701351][ T7315] CPU: 0 UID: 0 PID: 7315 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  293.701371][ T7315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  293.701382][ T7315] Call Trace:
[  293.701389][ T7315]  <TASK>
[  293.701397][ T7315]  dump_stack_lvl+0xe8/0x150
[  293.701434][ T7315]  sysfs_create_dir_ns+0x271/0x2a0
[  293.701460][ T7315]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  293.701486][ T7315]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.701516][ T7315]  ? rt_spin_unlock+0x160/0x200
[  293.701542][ T7315]  kobject_add_internal+0x631/0xd10
[  293.701571][ T7315]  kobject_init_and_add+0x12b/0x1a0
[  293.701597][ T7315]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.701619][ T7315]  ? __raw_spin_lock_init+0x45/0x100
[  293.701647][ T7315]  ? __init_swait_queue_head+0xa9/0x150
[  293.701674][ T7315]  gfs2_sys_fs_add+0x257/0x480
[  293.701701][ T7315]  ? is_dynamic_key+0x1ac/0x1c0
[  293.701728][ T7315]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.701765][ T7315]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.701811][ T7315]  gfs2_fill_super+0x141c/0x2220
[  293.701848][ T7315]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.701868][ T7315]  ? rt_spin_unlock+0x14f/0x200
[  293.701896][ T7315]  ? sb_set_blocksize+0x11b/0x210
[  293.701921][ T7315]  ? setup_bdev_super+0x4c1/0x5b0
[  293.701947][ T7315]  get_tree_bdev_flags+0x431/0x4f0
[  293.701967][ T7315]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.701989][ T7315]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.702009][ T7315]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.702047][ T7315]  gfs2_get_tree+0x51/0x1e0
[  293.702072][ T7315]  vfs_get_tree+0x92/0x2a0
[  293.702095][ T7315]  do_new_mount+0x341/0xd30
[  293.702118][ T7315]  ? apparmor_capable+0x126/0x170
[  293.702147][ T7315]  ? __pfx_do_new_mount+0x10/0x10
[  293.702173][ T7315]  ? ns_capable+0x89/0xe0
[  293.702199][ T7315]  ? user_path_at+0xd4/0x160
[  293.702230][ T7315]  ? user_path_at+0xd4/0x160
[  293.702259][ T7315]  __se_sys_mount+0x31d/0x420
[  293.702290][ T7315]  ? __pfx___se_sys_mount+0x10/0x10
[  293.702320][ T7315]  ? __x64_sys_mount+0x20/0xc0
[  293.702344][ T7315]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.702364][ T7315]  do_syscall_64+0x15f/0xf80
[  293.702381][ T7315]  ? trace_irq_disable+0x3b/0x140
[  293.702405][ T7315]  ? clear_bhb_loop+0x40/0x90
[  293.702429][ T7315]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.702448][ T7315] RIP: 0033:0x7f16a672b60a
[  293.702475][ T7315] 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
[  293.702492][ T7315] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.702512][ T7315] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  293.702527][ T7315] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  293.702541][ T7315] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  293.702554][ T7315] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  293.702567][ T7315] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  293.702599][ T7315]  </TASK>
[  293.702683][ T7315] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.702700][ T7315] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.462259][ T7320] loop1: detected capacity change from 0 to 32768
[  294.477305][ T7320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.477329][ T7320] CPU: 0 UID: 0 PID: 7320 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  294.477350][ T7320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  294.477361][ T7320] Call Trace:
[  294.477369][ T7320]  <TASK>
[  294.477377][ T7320]  dump_stack_lvl+0xe8/0x150
[  294.477408][ T7320]  sysfs_create_dir_ns+0x271/0x2a0
[  294.477435][ T7320]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  294.477462][ T7320]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  294.477488][ T7320]  ? rt_spin_unlock+0x160/0x200
[  294.477511][ T7320]  kobject_add_internal+0x631/0xd10
[  294.477541][ T7320]  kobject_init_and_add+0x12b/0x1a0
[  294.477572][ T7320]  ? __pfx_kobject_init_and_add+0x10/0x10
[  294.477594][ T7320]  ? __raw_spin_lock_init+0x45/0x100
[  294.477622][ T7320]  ? __init_swait_queue_head+0xa9/0x150
[  294.477651][ T7320]  gfs2_sys_fs_add+0x257/0x480
[  294.477676][ T7320]  ? is_dynamic_key+0x1ac/0x1c0
[  294.477703][ T7320]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  294.477737][ T7320]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  294.477778][ T7320]  gfs2_fill_super+0x141c/0x2220
[  294.477814][ T7320]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.477834][ T7320]  ? rt_spin_unlock+0x14f/0x200
[  294.477862][ T7320]  ? sb_set_blocksize+0x11b/0x210
[  294.477885][ T7320]  ? setup_bdev_super+0x4c1/0x5b0
[  294.477909][ T7320]  get_tree_bdev_flags+0x431/0x4f0
[  294.477931][ T7320]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.477952][ T7320]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.478007][ T7320]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.478036][ T7320]  gfs2_get_tree+0x51/0x1e0
[  294.478149][ T7320]  vfs_get_tree+0x92/0x2a0
[  294.478175][ T7320]  do_new_mount+0x341/0xd30
[  294.478199][ T7320]  ? apparmor_capable+0x126/0x170
[  294.478270][ T7320]  ? __pfx_do_new_mount+0x10/0x10
[  294.478296][ T7320]  ? ns_capable+0x89/0xe0
[  294.478323][ T7320]  ? user_path_at+0xd4/0x160
[  294.478354][ T7320]  ? user_path_at+0xd4/0x160
[  294.478381][ T7320]  __se_sys_mount+0x31d/0x420
[  294.478411][ T7320]  ? __pfx___se_sys_mount+0x10/0x10
[  294.478442][ T7320]  ? __x64_sys_mount+0x20/0xc0
[  294.478465][ T7320]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.478484][ T7320]  do_syscall_64+0x15f/0xf80
[  294.478503][ T7320]  ? trace_irq_disable+0x3b/0x140
[  294.478529][ T7320]  ? clear_bhb_loop+0x40/0x90
[  294.478553][ T7320]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.478572][ T7320] RIP: 0033:0x7f16a672b60a
[  294.478593][ T7320] 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
[  294.478610][ T7320] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.478632][ T7320] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  294.478647][ T7320] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  294.478661][ T7320] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  294.478675][ T7320] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  294.478688][ T7320] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  294.478718][ T7320]  </TASK>
[  294.481795][ T7320] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.481819][ T7320] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.226089][ T7325] loop1: detected capacity change from 0 to 32768
[  295.237608][ T7325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.237631][ T7325] CPU: 1 UID: 0 PID: 7325 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  295.237652][ T7325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  295.237664][ T7325] Call Trace:
[  295.237672][ T7325]  <TASK>
[  295.237680][ T7325]  dump_stack_lvl+0xe8/0x150
[  295.237710][ T7325]  sysfs_create_dir_ns+0x271/0x2a0
[  295.237737][ T7325]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  295.237764][ T7325]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.237793][ T7325]  ? rt_spin_unlock+0x160/0x200
[  295.237819][ T7325]  kobject_add_internal+0x631/0xd10
[  295.237850][ T7325]  kobject_init_and_add+0x12b/0x1a0
[  295.237878][ T7325]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.237909][ T7325]  ? __raw_spin_lock_init+0x45/0x100
[  295.237936][ T7325]  ? __init_swait_queue_head+0xa9/0x150
[  295.237965][ T7325]  gfs2_sys_fs_add+0x257/0x480
[  295.237992][ T7325]  ? is_dynamic_key+0x1ac/0x1c0
[  295.238024][ T7325]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.238058][ T7325]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.238100][ T7325]  gfs2_fill_super+0x141c/0x2220
[  295.238134][ T7325]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.238153][ T7325]  ? rt_spin_unlock+0x14f/0x200
[  295.238181][ T7325]  ? sb_set_blocksize+0x11b/0x210
[  295.238206][ T7325]  ? setup_bdev_super+0x4c1/0x5b0
[  295.238229][ T7325]  get_tree_bdev_flags+0x431/0x4f0
[  295.238250][ T7325]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.238272][ T7325]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.238291][ T7325]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.238322][ T7325]  gfs2_get_tree+0x51/0x1e0
[  295.238346][ T7325]  vfs_get_tree+0x92/0x2a0
[  295.238370][ T7325]  do_new_mount+0x341/0xd30
[  295.238393][ T7325]  ? apparmor_capable+0x126/0x170
[  295.238423][ T7325]  ? __pfx_do_new_mount+0x10/0x10
[  295.238449][ T7325]  ? ns_capable+0x89/0xe0
[  295.238476][ T7325]  ? user_path_at+0xd4/0x160
[  295.238508][ T7325]  ? user_path_at+0xd4/0x160
[  295.238539][ T7325]  __se_sys_mount+0x31d/0x420
[  295.238571][ T7325]  ? __pfx___se_sys_mount+0x10/0x10
[  295.238600][ T7325]  ? __x64_sys_mount+0x20/0xc0
[  295.238622][ T7325]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.238641][ T7325]  do_syscall_64+0x15f/0xf80
[  295.238658][ T7325]  ? trace_irq_disable+0x3b/0x140
[  295.238682][ T7325]  ? clear_bhb_loop+0x40/0x90
[  295.238707][ T7325]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.238726][ T7325] RIP: 0033:0x7f16a672b60a
[  295.238745][ T7325] 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
[  295.238760][ T7325] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.238781][ T7325] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  295.238796][ T7325] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  295.238810][ T7325] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  295.238823][ T7325] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  295.238836][ T7325] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  295.238865][ T7325]  </TASK>
[  295.238918][ T7325] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.238931][ T7325] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.021803][ T7330] loop1: detected capacity change from 0 to 32768
[  296.026906][ T7330] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.026928][ T7330] CPU: 0 UID: 0 PID: 7330 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  296.026949][ T7330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  296.026961][ T7330] Call Trace:
[  296.026969][ T7330]  <TASK>
[  296.026978][ T7330]  dump_stack_lvl+0xe8/0x150
[  296.027008][ T7330]  sysfs_create_dir_ns+0x271/0x2a0
[  296.027035][ T7330]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  296.027062][ T7330]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  296.027092][ T7330]  ? rt_spin_unlock+0x160/0x200
[  296.027118][ T7330]  kobject_add_internal+0x631/0xd10
[  296.027148][ T7330]  kobject_init_and_add+0x12b/0x1a0
[  296.027182][ T7330]  ? __pfx_kobject_init_and_add+0x10/0x10
[  296.027206][ T7330]  ? __raw_spin_lock_init+0x45/0x100
[  296.027233][ T7330]  ? __init_swait_queue_head+0xa9/0x150
[  296.027261][ T7330]  gfs2_sys_fs_add+0x257/0x480
[  296.027288][ T7330]  ? is_dynamic_key+0x1ac/0x1c0
[  296.027315][ T7330]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  296.027351][ T7330]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  296.027393][ T7330]  gfs2_fill_super+0x141c/0x2220
[  296.027430][ T7330]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.027450][ T7330]  ? rt_spin_unlock+0x14f/0x200
[  296.027478][ T7330]  ? sb_set_blocksize+0x11b/0x210
[  296.027504][ T7330]  ? setup_bdev_super+0x4c1/0x5b0
[  296.027528][ T7330]  get_tree_bdev_flags+0x431/0x4f0
[  296.027549][ T7330]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.027571][ T7330]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  296.027590][ T7330]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  296.027621][ T7330]  gfs2_get_tree+0x51/0x1e0
[  296.027647][ T7330]  vfs_get_tree+0x92/0x2a0
[  296.027671][ T7330]  do_new_mount+0x341/0xd30
[  296.027694][ T7330]  ? apparmor_capable+0x126/0x170
[  296.027724][ T7330]  ? __pfx_do_new_mount+0x10/0x10
[  296.027750][ T7330]  ? ns_capable+0x89/0xe0
[  296.027776][ T7330]  ? user_path_at+0xd4/0x160
[  296.027809][ T7330]  ? user_path_at+0xd4/0x160
[  296.027844][ T7330]  __se_sys_mount+0x31d/0x420
[  296.027875][ T7330]  ? __pfx___se_sys_mount+0x10/0x10
[  296.027907][ T7330]  ? __x64_sys_mount+0x20/0xc0
[  296.027932][ T7330]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.027953][ T7330]  do_syscall_64+0x15f/0xf80
[  296.027972][ T7330]  ? trace_irq_disable+0x3b/0x140
[  296.027998][ T7330]  ? clear_bhb_loop+0x40/0x90
[  296.028022][ T7330]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.028041][ T7330] RIP: 0033:0x7f16a672b60a
[  296.028060][ T7330] 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
[  296.028077][ T7330] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.028101][ T7330] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  296.028116][ T7330] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  296.028129][ T7330] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  296.028142][ T7330] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  296.028155][ T7330] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  296.028194][ T7330]  </TASK>
[  296.030435][ T7330] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.030456][ T7330] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.782154][ T7335] loop1: detected capacity change from 0 to 32768
[  296.787115][ T7335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.787139][ T7335] CPU: 0 UID: 0 PID: 7335 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  296.787160][ T7335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  296.787172][ T7335] Call Trace:
[  296.787180][ T7335]  <TASK>
[  296.787189][ T7335]  dump_stack_lvl+0xe8/0x150
[  296.787220][ T7335]  sysfs_create_dir_ns+0x271/0x2a0
[  296.787248][ T7335]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  296.787278][ T7335]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  296.787307][ T7335]  ? rt_spin_unlock+0x160/0x200
[  296.787333][ T7335]  kobject_add_internal+0x631/0xd10
[  296.787362][ T7335]  kobject_init_and_add+0x12b/0x1a0
[  296.787389][ T7335]  ? __pfx_kobject_init_and_add+0x10/0x10
[  296.787412][ T7335]  ? __raw_spin_lock_init+0x45/0x100
[  296.787439][ T7335]  ? __init_swait_queue_head+0xa9/0x150
[  296.787468][ T7335]  gfs2_sys_fs_add+0x257/0x480
[  296.787494][ T7335]  ? is_dynamic_key+0x1ac/0x1c0
[  296.787521][ T7335]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  296.787557][ T7335]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  296.787597][ T7335]  gfs2_fill_super+0x141c/0x2220
[  296.787634][ T7335]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.787653][ T7335]  ? rt_spin_unlock+0x14f/0x200
[  296.787681][ T7335]  ? sb_set_blocksize+0x11b/0x210
[  296.787706][ T7335]  ? setup_bdev_super+0x4c1/0x5b0
[  296.787730][ T7335]  get_tree_bdev_flags+0x431/0x4f0
[  296.787751][ T7335]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.787773][ T7335]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  296.787792][ T7335]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  296.787822][ T7335]  gfs2_get_tree+0x51/0x1e0
[  296.787847][ T7335]  vfs_get_tree+0x92/0x2a0
[  296.787870][ T7335]  do_new_mount+0x341/0xd30
[  296.787894][ T7335]  ? apparmor_capable+0x126/0x170
[  296.787925][ T7335]  ? __pfx_do_new_mount+0x10/0x10
[  296.787949][ T7335]  ? ns_capable+0x89/0xe0
[  296.787976][ T7335]  ? user_path_at+0xd4/0x160
[  296.788008][ T7335]  ? user_path_at+0xd4/0x160
[  296.788035][ T7335]  __se_sys_mount+0x31d/0x420
[  296.788071][ T7335]  ? __pfx___se_sys_mount+0x10/0x10
[  296.788099][ T7335]  ? __x64_sys_mount+0x20/0xc0
[  296.788123][ T7335]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.788143][ T7335]  do_syscall_64+0x15f/0xf80
[  296.788161][ T7335]  ? trace_irq_disable+0x3b/0x140
[  296.788187][ T7335]  ? clear_bhb_loop+0x40/0x90
[  296.788209][ T7335]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.788227][ T7335] RIP: 0033:0x7f16a672b60a
[  296.788245][ T7335] 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
[  296.788261][ T7335] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.788281][ T7335] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  296.788295][ T7335] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  296.788308][ T7335] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  296.788320][ T7335] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  296.788331][ T7335] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  296.788363][ T7335]  </TASK>
[  296.788398][ T7335] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.788412][ T7335] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.537067][ T7340] loop1: detected capacity change from 0 to 32768
[  297.555697][ T7340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.555720][ T7340] CPU: 0 UID: 0 PID: 7340 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  297.555754][ T7340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  297.555765][ T7340] Call Trace:
[  297.555773][ T7340]  <TASK>
[  297.555782][ T7340]  dump_stack_lvl+0xe8/0x150
[  297.555814][ T7340]  sysfs_create_dir_ns+0x271/0x2a0
[  297.555842][ T7340]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.555868][ T7340]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.555898][ T7340]  ? rt_spin_unlock+0x160/0x200
[  297.555924][ T7340]  kobject_add_internal+0x631/0xd10
[  297.555952][ T7340]  kobject_init_and_add+0x12b/0x1a0
[  297.555978][ T7340]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.556000][ T7340]  ? __raw_spin_lock_init+0x45/0x100
[  297.556027][ T7340]  ? __init_swait_queue_head+0xa9/0x150
[  297.556054][ T7340]  gfs2_sys_fs_add+0x257/0x480
[  297.556078][ T7340]  ? is_dynamic_key+0x1ac/0x1c0
[  297.556105][ T7340]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.556141][ T7340]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.556180][ T7340]  gfs2_fill_super+0x141c/0x2220
[  297.556217][ T7340]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.556237][ T7340]  ? rt_spin_unlock+0x14f/0x200
[  297.556265][ T7340]  ? sb_set_blocksize+0x11b/0x210
[  297.556289][ T7340]  ? setup_bdev_super+0x4c1/0x5b0
[  297.556314][ T7340]  get_tree_bdev_flags+0x431/0x4f0
[  297.556333][ T7340]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.556355][ T7340]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.556374][ T7340]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.556402][ T7340]  gfs2_get_tree+0x51/0x1e0
[  297.556427][ T7340]  vfs_get_tree+0x92/0x2a0
[  297.556450][ T7340]  do_new_mount+0x341/0xd30
[  297.556473][ T7340]  ? apparmor_capable+0x126/0x170
[  297.556502][ T7340]  ? __pfx_do_new_mount+0x10/0x10
[  297.556528][ T7340]  ? ns_capable+0x89/0xe0
[  297.556555][ T7340]  ? user_path_at+0xd4/0x160
[  297.556586][ T7340]  ? user_path_at+0xd4/0x160
[  297.556615][ T7340]  __se_sys_mount+0x31d/0x420
[  297.556646][ T7340]  ? __pfx___se_sys_mount+0x10/0x10
[  297.556677][ T7340]  ? __x64_sys_mount+0x20/0xc0
[  297.556700][ T7340]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.556721][ T7340]  do_syscall_64+0x15f/0xf80
[  297.556748][ T7340]  ? trace_irq_disable+0x3b/0x140
[  297.556772][ T7340]  ? clear_bhb_loop+0x40/0x90
[  297.556796][ T7340]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.556815][ T7340] RIP: 0033:0x7f16a672b60a
[  297.556834][ T7340] 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
[  297.556850][ T7340] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.556871][ T7340] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  297.556886][ T7340] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  297.556900][ T7340] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  297.556913][ T7340] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  297.556926][ T7340] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  297.556965][ T7340]  </TASK>
[  297.557382][ T7340] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
2026/04/28 07:23:29 executed programs: 151
[  297.557401][ T7340] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.316175][ T7345] loop1: detected capacity change from 0 to 32768
[  298.328628][ T7345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.328651][ T7345] CPU: 1 UID: 0 PID: 7345 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  298.328673][ T7345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  298.328693][ T7345] Call Trace:
[  298.328701][ T7345]  <TASK>
[  298.328709][ T7345]  dump_stack_lvl+0xe8/0x150
[  298.328739][ T7345]  sysfs_create_dir_ns+0x271/0x2a0
[  298.328766][ T7345]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  298.328792][ T7345]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  298.328820][ T7345]  ? rt_spin_unlock+0x160/0x200
[  298.328847][ T7345]  kobject_add_internal+0x631/0xd10
[  298.328876][ T7345]  kobject_init_and_add+0x12b/0x1a0
[  298.328910][ T7345]  ? __pfx_kobject_init_and_add+0x10/0x10
[  298.328933][ T7345]  ? __raw_spin_lock_init+0x45/0x100
[  298.328959][ T7345]  ? __init_swait_queue_head+0xa9/0x150
[  298.328987][ T7345]  gfs2_sys_fs_add+0x257/0x480
[  298.329013][ T7345]  ? is_dynamic_key+0x1ac/0x1c0
[  298.329042][ T7345]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  298.329076][ T7345]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  298.329116][ T7345]  gfs2_fill_super+0x141c/0x2220
[  298.329154][ T7345]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.329175][ T7345]  ? rt_spin_unlock+0x14f/0x200
[  298.329202][ T7345]  ? sb_set_blocksize+0x11b/0x210
[  298.329227][ T7345]  ? setup_bdev_super+0x4c1/0x5b0
[  298.329252][ T7345]  get_tree_bdev_flags+0x431/0x4f0
[  298.329273][ T7345]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.329295][ T7345]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  298.329313][ T7345]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  298.329343][ T7345]  gfs2_get_tree+0x51/0x1e0
[  298.329367][ T7345]  vfs_get_tree+0x92/0x2a0
[  298.329390][ T7345]  do_new_mount+0x341/0xd30
[  298.329412][ T7345]  ? apparmor_capable+0x126/0x170
[  298.329441][ T7345]  ? __pfx_do_new_mount+0x10/0x10
[  298.329466][ T7345]  ? ns_capable+0x89/0xe0
[  298.329492][ T7345]  ? user_path_at+0xd4/0x160
[  298.329524][ T7345]  ? user_path_at+0xd4/0x160
[  298.329553][ T7345]  __se_sys_mount+0x31d/0x420
[  298.329584][ T7345]  ? __pfx___se_sys_mount+0x10/0x10
[  298.329616][ T7345]  ? __x64_sys_mount+0x20/0xc0
[  298.329639][ T7345]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.329660][ T7345]  do_syscall_64+0x15f/0xf80
[  298.329679][ T7345]  ? trace_irq_disable+0x3b/0x140
[  298.329704][ T7345]  ? clear_bhb_loop+0x40/0x90
[  298.329726][ T7345]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.329743][ T7345] RIP: 0033:0x7f16a672b60a
[  298.329762][ T7345] 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
[  298.329778][ T7345] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.329796][ T7345] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  298.329809][ T7345] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  298.329823][ T7345] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  298.329840][ T7345] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  298.329853][ T7345] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  298.329891][ T7345]  </TASK>
[  298.370035][ T7345] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.370057][ T7345] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.080678][ T7350] loop1: detected capacity change from 0 to 32768
[  299.087758][ T7350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.087780][ T7350] CPU: 1 UID: 0 PID: 7350 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  299.087801][ T7350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  299.087812][ T7350] Call Trace:
[  299.087820][ T7350]  <TASK>
[  299.087828][ T7350]  dump_stack_lvl+0xe8/0x150
[  299.087860][ T7350]  sysfs_create_dir_ns+0x271/0x2a0
[  299.087888][ T7350]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.087912][ T7350]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.087941][ T7350]  ? rt_spin_unlock+0x160/0x200
[  299.087967][ T7350]  kobject_add_internal+0x631/0xd10
[  299.087997][ T7350]  kobject_init_and_add+0x12b/0x1a0
[  299.088026][ T7350]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.088049][ T7350]  ? __raw_spin_lock_init+0x45/0x100
[  299.088081][ T7350]  ? __init_swait_queue_head+0xa9/0x150
[  299.088113][ T7350]  gfs2_sys_fs_add+0x257/0x480
[  299.088139][ T7350]  ? is_dynamic_key+0x1ac/0x1c0
[  299.088166][ T7350]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.088200][ T7350]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.088240][ T7350]  gfs2_fill_super+0x141c/0x2220
[  299.088285][ T7350]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.088305][ T7350]  ? rt_spin_unlock+0x14f/0x200
[  299.088332][ T7350]  ? sb_set_blocksize+0x11b/0x210
[  299.088356][ T7350]  ? setup_bdev_super+0x4c1/0x5b0
[  299.088380][ T7350]  get_tree_bdev_flags+0x431/0x4f0
[  299.088408][ T7350]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.088430][ T7350]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.088448][ T7350]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.088478][ T7350]  gfs2_get_tree+0x51/0x1e0
[  299.088503][ T7350]  vfs_get_tree+0x92/0x2a0
[  299.088526][ T7350]  do_new_mount+0x341/0xd30
[  299.088550][ T7350]  ? apparmor_capable+0x126/0x170
[  299.088587][ T7350]  ? __pfx_do_new_mount+0x10/0x10
[  299.088610][ T7350]  ? ns_capable+0x89/0xe0
[  299.088636][ T7350]  ? user_path_at+0xd4/0x160
[  299.088668][ T7350]  ? user_path_at+0xd4/0x160
[  299.088698][ T7350]  __se_sys_mount+0x31d/0x420
[  299.088730][ T7350]  ? __pfx___se_sys_mount+0x10/0x10
[  299.088762][ T7350]  ? __x64_sys_mount+0x20/0xc0
[  299.088787][ T7350]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.088808][ T7350]  do_syscall_64+0x15f/0xf80
[  299.088825][ T7350]  ? trace_irq_disable+0x3b/0x140
[  299.088850][ T7350]  ? clear_bhb_loop+0x40/0x90
[  299.088873][ T7350]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.088893][ T7350] RIP: 0033:0x7f16a672b60a
[  299.088911][ T7350] 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
[  299.088927][ T7350] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.088948][ T7350] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  299.088963][ T7350] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  299.088977][ T7350] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  299.088990][ T7350] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  299.089003][ T7350] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  299.089034][ T7350]  </TASK>
[  299.102468][ T7350] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.102491][ T7350] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.851014][ T7355] loop1: detected capacity change from 0 to 32768
[  299.856703][ T7355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.856726][ T7355] CPU: 0 UID: 0 PID: 7355 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  299.856747][ T7355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  299.856759][ T7355] Call Trace:
[  299.856767][ T7355]  <TASK>
[  299.856785][ T7355]  dump_stack_lvl+0xe8/0x150
[  299.856815][ T7355]  sysfs_create_dir_ns+0x271/0x2a0
[  299.856841][ T7355]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.856868][ T7355]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.856897][ T7355]  ? rt_spin_unlock+0x160/0x200
[  299.856923][ T7355]  kobject_add_internal+0x631/0xd10
[  299.856953][ T7355]  kobject_init_and_add+0x12b/0x1a0
[  299.856981][ T7355]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.857003][ T7355]  ? __raw_spin_lock_init+0x45/0x100
[  299.857030][ T7355]  ? __init_swait_queue_head+0xa9/0x150
[  299.857059][ T7355]  gfs2_sys_fs_add+0x257/0x480
[  299.857086][ T7355]  ? is_dynamic_key+0x1ac/0x1c0
[  299.857114][ T7355]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.857150][ T7355]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.857191][ T7355]  gfs2_fill_super+0x141c/0x2220
[  299.857230][ T7355]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.857250][ T7355]  ? rt_spin_unlock+0x14f/0x200
[  299.857278][ T7355]  ? sb_set_blocksize+0x11b/0x210
[  299.857303][ T7355]  ? setup_bdev_super+0x4c1/0x5b0
[  299.857328][ T7355]  get_tree_bdev_flags+0x431/0x4f0
[  299.857349][ T7355]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.857372][ T7355]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.857391][ T7355]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.857426][ T7355]  gfs2_get_tree+0x51/0x1e0
[  299.857451][ T7355]  vfs_get_tree+0x92/0x2a0
[  299.857474][ T7355]  do_new_mount+0x341/0xd30
[  299.857497][ T7355]  ? apparmor_capable+0x126/0x170
[  299.857526][ T7355]  ? __pfx_do_new_mount+0x10/0x10
[  299.857550][ T7355]  ? ns_capable+0x89/0xe0
[  299.857578][ T7355]  ? user_path_at+0xd4/0x160
[  299.857609][ T7355]  ? user_path_at+0xd4/0x160
[  299.857638][ T7355]  __se_sys_mount+0x31d/0x420
[  299.857670][ T7355]  ? __pfx___se_sys_mount+0x10/0x10
[  299.857702][ T7355]  ? __x64_sys_mount+0x20/0xc0
[  299.857727][ T7355]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.857748][ T7355]  do_syscall_64+0x15f/0xf80
[  299.857766][ T7355]  ? trace_irq_disable+0x3b/0x140
[  299.857798][ T7355]  ? clear_bhb_loop+0x40/0x90
[  299.857822][ T7355]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.857842][ T7355] RIP: 0033:0x7f16a672b60a
[  299.857862][ T7355] 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
[  299.857879][ T7355] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.857900][ T7355] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  299.857915][ T7355] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  299.857929][ T7355] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  299.857943][ T7355] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  299.857956][ T7355] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  299.857984][ T7355]  </TASK>
[  299.859584][ T7355] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.859603][ T7355] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.621195][ T7360] loop1: detected capacity change from 0 to 32768
[  300.628819][ T7360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.628841][ T7360] CPU: 1 UID: 0 PID: 7360 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  300.628862][ T7360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  300.628874][ T7360] Call Trace:
[  300.628880][ T7360]  <TASK>
[  300.628888][ T7360]  dump_stack_lvl+0xe8/0x150
[  300.628918][ T7360]  sysfs_create_dir_ns+0x271/0x2a0
[  300.628944][ T7360]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  300.628969][ T7360]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.628997][ T7360]  ? rt_spin_unlock+0x160/0x200
[  300.629022][ T7360]  kobject_add_internal+0x631/0xd10
[  300.629052][ T7360]  kobject_init_and_add+0x12b/0x1a0
[  300.629078][ T7360]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.629101][ T7360]  ? __raw_spin_lock_init+0x45/0x100
[  300.629128][ T7360]  ? __init_swait_queue_head+0xa9/0x150
[  300.629155][ T7360]  gfs2_sys_fs_add+0x257/0x480
[  300.629180][ T7360]  ? is_dynamic_key+0x1ac/0x1c0
[  300.629207][ T7360]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.629243][ T7360]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.629281][ T7360]  gfs2_fill_super+0x141c/0x2220
[  300.629322][ T7360]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.629342][ T7360]  ? rt_spin_unlock+0x14f/0x200
[  300.629371][ T7360]  ? sb_set_blocksize+0x11b/0x210
[  300.629396][ T7360]  ? setup_bdev_super+0x4c1/0x5b0
[  300.629420][ T7360]  get_tree_bdev_flags+0x431/0x4f0
[  300.629441][ T7360]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.629462][ T7360]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.629482][ T7360]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.629520][ T7360]  gfs2_get_tree+0x51/0x1e0
[  300.629545][ T7360]  vfs_get_tree+0x92/0x2a0
[  300.629567][ T7360]  do_new_mount+0x341/0xd30
[  300.629590][ T7360]  ? apparmor_capable+0x126/0x170
[  300.629617][ T7360]  ? __pfx_do_new_mount+0x10/0x10
[  300.629642][ T7360]  ? ns_capable+0x89/0xe0
[  300.629667][ T7360]  ? user_path_at+0xd4/0x160
[  300.629698][ T7360]  ? user_path_at+0xd4/0x160
[  300.629727][ T7360]  __se_sys_mount+0x31d/0x420
[  300.629756][ T7360]  ? __pfx___se_sys_mount+0x10/0x10
[  300.629787][ T7360]  ? __x64_sys_mount+0x20/0xc0
[  300.629811][ T7360]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.629832][ T7360]  do_syscall_64+0x15f/0xf80
[  300.629849][ T7360]  ? trace_irq_disable+0x3b/0x140
[  300.629873][ T7360]  ? clear_bhb_loop+0x40/0x90
[  300.629896][ T7360]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.629913][ T7360] RIP: 0033:0x7f16a672b60a
[  300.629931][ T7360] 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
[  300.629946][ T7360] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.629965][ T7360] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  300.629979][ T7360] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  300.629994][ T7360] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  300.630006][ T7360] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  300.630018][ T7360] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  300.630048][ T7360]  </TASK>
[  300.680691][ T7360] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.680713][ T7360] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.390309][ T7365] loop1: detected capacity change from 0 to 32768
[  301.396196][ T7365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.396219][ T7365] CPU: 0 UID: 0 PID: 7365 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  301.396241][ T7365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  301.396252][ T7365] Call Trace:
[  301.396260][ T7365]  <TASK>
[  301.396269][ T7365]  dump_stack_lvl+0xe8/0x150
[  301.396299][ T7365]  sysfs_create_dir_ns+0x271/0x2a0
[  301.396327][ T7365]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.396354][ T7365]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.396383][ T7365]  ? rt_spin_unlock+0x160/0x200
[  301.396409][ T7365]  kobject_add_internal+0x631/0xd10
[  301.396439][ T7365]  kobject_init_and_add+0x12b/0x1a0
[  301.396474][ T7365]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.396497][ T7365]  ? __raw_spin_lock_init+0x45/0x100
[  301.396524][ T7365]  ? __init_swait_queue_head+0xa9/0x150
[  301.396553][ T7365]  gfs2_sys_fs_add+0x257/0x480
[  301.396579][ T7365]  ? is_dynamic_key+0x1ac/0x1c0
[  301.396607][ T7365]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.396642][ T7365]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.396687][ T7365]  gfs2_fill_super+0x141c/0x2220
[  301.396724][ T7365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.396743][ T7365]  ? rt_spin_unlock+0x14f/0x200
[  301.396771][ T7365]  ? sb_set_blocksize+0x11b/0x210
[  301.396796][ T7365]  ? setup_bdev_super+0x4c1/0x5b0
[  301.396820][ T7365]  get_tree_bdev_flags+0x431/0x4f0
[  301.396841][ T7365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.396861][ T7365]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.396879][ T7365]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.396907][ T7365]  gfs2_get_tree+0x51/0x1e0
[  301.396932][ T7365]  vfs_get_tree+0x92/0x2a0
[  301.396954][ T7365]  do_new_mount+0x341/0xd30
[  301.396977][ T7365]  ? apparmor_capable+0x126/0x170
[  301.397008][ T7365]  ? __pfx_do_new_mount+0x10/0x10
[  301.397033][ T7365]  ? ns_capable+0x89/0xe0
[  301.397060][ T7365]  ? user_path_at+0xd4/0x160
[  301.397091][ T7365]  ? user_path_at+0xd4/0x160
[  301.397122][ T7365]  __se_sys_mount+0x31d/0x420
[  301.397151][ T7365]  ? __pfx___se_sys_mount+0x10/0x10
[  301.397178][ T7365]  ? __x64_sys_mount+0x20/0xc0
[  301.397201][ T7365]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.397222][ T7365]  do_syscall_64+0x15f/0xf80
[  301.397238][ T7365]  ? trace_irq_disable+0x3b/0x140
[  301.397262][ T7365]  ? clear_bhb_loop+0x40/0x90
[  301.397286][ T7365]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.397305][ T7365] RIP: 0033:0x7f16a672b60a
[  301.397322][ T7365] 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
[  301.397338][ T7365] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.397358][ T7365] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  301.397371][ T7365] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  301.397384][ T7365] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  301.397397][ T7365] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  301.397409][ T7365] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  301.397438][ T7365]  </TASK>
[  301.397480][ T7365] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.397501][ T7365] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.148872][ T7370] loop1: detected capacity change from 0 to 32768
[  302.162253][ T7370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.162276][ T7370] CPU: 0 UID: 0 PID: 7370 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  302.162298][ T7370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  302.162310][ T7370] Call Trace:
[  302.162327][ T7370]  <TASK>
[  302.162336][ T7370]  dump_stack_lvl+0xe8/0x150
[  302.162366][ T7370]  sysfs_create_dir_ns+0x271/0x2a0
[  302.162392][ T7370]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  302.162419][ T7370]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.162448][ T7370]  ? rt_spin_unlock+0x160/0x200
[  302.162474][ T7370]  kobject_add_internal+0x631/0xd10
[  302.162505][ T7370]  kobject_init_and_add+0x12b/0x1a0
[  302.162541][ T7370]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.162563][ T7370]  ? __raw_spin_lock_init+0x45/0x100
[  302.162589][ T7370]  ? __init_swait_queue_head+0xa9/0x150
[  302.162617][ T7370]  gfs2_sys_fs_add+0x257/0x480
[  302.162641][ T7370]  ? is_dynamic_key+0x1ac/0x1c0
[  302.162668][ T7370]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.162702][ T7370]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.162745][ T7370]  gfs2_fill_super+0x141c/0x2220
[  302.162782][ T7370]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.162802][ T7370]  ? rt_spin_unlock+0x14f/0x200
[  302.162829][ T7370]  ? sb_set_blocksize+0x11b/0x210
[  302.162853][ T7370]  ? setup_bdev_super+0x4c1/0x5b0
[  302.162877][ T7370]  get_tree_bdev_flags+0x431/0x4f0
[  302.162897][ T7370]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.162919][ T7370]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.162938][ T7370]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.162968][ T7370]  gfs2_get_tree+0x51/0x1e0
[  302.162993][ T7370]  vfs_get_tree+0x92/0x2a0
[  302.163016][ T7370]  do_new_mount+0x341/0xd30
[  302.163037][ T7370]  ? apparmor_capable+0x126/0x170
[  302.163066][ T7370]  ? __pfx_do_new_mount+0x10/0x10
[  302.163104][ T7370]  ? ns_capable+0x89/0xe0
[  302.163132][ T7370]  ? user_path_at+0xd4/0x160
[  302.163164][ T7370]  ? user_path_at+0xd4/0x160
[  302.163194][ T7370]  __se_sys_mount+0x31d/0x420
[  302.163225][ T7370]  ? __pfx___se_sys_mount+0x10/0x10
[  302.163256][ T7370]  ? __x64_sys_mount+0x20/0xc0
[  302.163280][ T7370]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.163301][ T7370]  do_syscall_64+0x15f/0xf80
[  302.163326][ T7370]  ? trace_irq_disable+0x3b/0x140
[  302.163350][ T7370]  ? clear_bhb_loop+0x40/0x90
[  302.163373][ T7370]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.163392][ T7370] RIP: 0033:0x7f16a672b60a
[  302.163411][ T7370] 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
[  302.163428][ T7370] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.163457][ T7370] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  302.163472][ T7370] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  302.163487][ T7370] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  302.163500][ T7370] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  302.163513][ T7370] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  302.163543][ T7370]  </TASK>
[  302.164358][ T7370] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.164377][ T7370] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.961887][ T7375] loop1: detected capacity change from 0 to 32768
[  302.968113][ T7375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.968137][ T7375] CPU: 0 UID: 0 PID: 7375 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  302.968157][ T7375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  302.968172][ T7375] Call Trace:
[  302.968180][ T7375]  <TASK>
[  302.968188][ T7375]  dump_stack_lvl+0xe8/0x150
[  302.968219][ T7375]  sysfs_create_dir_ns+0x271/0x2a0
[  302.968247][ T7375]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  302.968273][ T7375]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.968311][ T7375]  ? rt_spin_unlock+0x160/0x200
[  302.968338][ T7375]  kobject_add_internal+0x631/0xd10
[  302.968368][ T7375]  kobject_init_and_add+0x12b/0x1a0
[  302.968396][ T7375]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.968419][ T7375]  ? __raw_spin_lock_init+0x45/0x100
[  302.968447][ T7375]  ? __init_swait_queue_head+0xa9/0x150
[  302.968475][ T7375]  gfs2_sys_fs_add+0x257/0x480
[  302.968502][ T7375]  ? is_dynamic_key+0x1ac/0x1c0
[  302.968529][ T7375]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.968565][ T7375]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.968608][ T7375]  gfs2_fill_super+0x141c/0x2220
[  302.968645][ T7375]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.968666][ T7375]  ? rt_spin_unlock+0x14f/0x200
[  302.968693][ T7375]  ? sb_set_blocksize+0x11b/0x210
[  302.968718][ T7375]  ? setup_bdev_super+0x4c1/0x5b0
[  302.968741][ T7375]  get_tree_bdev_flags+0x431/0x4f0
[  302.968763][ T7375]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.968785][ T7375]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.968805][ T7375]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.968836][ T7375]  gfs2_get_tree+0x51/0x1e0
[  302.968861][ T7375]  vfs_get_tree+0x92/0x2a0
[  302.968885][ T7375]  do_new_mount+0x341/0xd30
[  302.968908][ T7375]  ? apparmor_capable+0x126/0x170
[  302.968948][ T7375]  ? __pfx_do_new_mount+0x10/0x10
[  302.968972][ T7375]  ? ns_capable+0x89/0xe0
[  302.968999][ T7375]  ? user_path_at+0xd4/0x160
[  302.969032][ T7375]  ? user_path_at+0xd4/0x160
[  302.969062][ T7375]  __se_sys_mount+0x31d/0x420
[  302.969093][ T7375]  ? __pfx___se_sys_mount+0x10/0x10
[  302.969126][ T7375]  ? __x64_sys_mount+0x20/0xc0
[  302.969151][ T7375]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.969173][ T7375]  do_syscall_64+0x15f/0xf80
[  302.969191][ T7375]  ? trace_irq_disable+0x3b/0x140
[  302.969217][ T7375]  ? clear_bhb_loop+0x40/0x90
[  302.969241][ T7375]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.969260][ T7375] RIP: 0033:0x7f16a672b60a
2026/04/28 07:23:34 executed programs: 158
[  302.969279][ T7375] 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
[  302.969295][ T7375] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.969322][ T7375] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  302.969336][ T7375] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  302.969350][ T7375] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  302.969364][ T7375] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  302.969378][ T7375] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  302.969410][ T7375]  </TASK>
[  302.970547][ T7375] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.970566][ T7375] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.741228][ T7380] loop1: detected capacity change from 0 to 32768
[  303.744373][ T7380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.744395][ T7380] CPU: 1 UID: 0 PID: 7380 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  303.744416][ T7380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  303.744429][ T7380] Call Trace:
[  303.744436][ T7380]  <TASK>
[  303.744445][ T7380]  dump_stack_lvl+0xe8/0x150
[  303.744475][ T7380]  sysfs_create_dir_ns+0x271/0x2a0
[  303.744502][ T7380]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  303.744527][ T7380]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.744556][ T7380]  ? rt_spin_unlock+0x160/0x200
[  303.744583][ T7380]  kobject_add_internal+0x631/0xd10
[  303.744613][ T7380]  kobject_init_and_add+0x12b/0x1a0
[  303.744640][ T7380]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.744662][ T7380]  ? __raw_spin_lock_init+0x45/0x100
[  303.744688][ T7380]  ? __init_swait_queue_head+0xa9/0x150
[  303.744716][ T7380]  gfs2_sys_fs_add+0x257/0x480
[  303.744740][ T7380]  ? is_dynamic_key+0x1ac/0x1c0
[  303.744767][ T7380]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.744802][ T7380]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.744842][ T7380]  gfs2_fill_super+0x141c/0x2220
[  303.744878][ T7380]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.744898][ T7380]  ? rt_spin_unlock+0x14f/0x200
[  303.744927][ T7380]  ? sb_set_blocksize+0x11b/0x210
[  303.744950][ T7380]  ? setup_bdev_super+0x4c1/0x5b0
[  303.744974][ T7380]  get_tree_bdev_flags+0x431/0x4f0
[  303.744995][ T7380]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.745016][ T7380]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.745035][ T7380]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.745066][ T7380]  gfs2_get_tree+0x51/0x1e0
[  303.745089][ T7380]  vfs_get_tree+0x92/0x2a0
[  303.745112][ T7380]  do_new_mount+0x341/0xd30
[  303.745135][ T7380]  ? apparmor_capable+0x126/0x170
[  303.745168][ T7380]  ? __pfx_do_new_mount+0x10/0x10
[  303.745193][ T7380]  ? ns_capable+0x89/0xe0
[  303.745219][ T7380]  ? user_path_at+0xd4/0x160
[  303.745251][ T7380]  ? user_path_at+0xd4/0x160
[  303.745286][ T7380]  __se_sys_mount+0x31d/0x420
[  303.745318][ T7380]  ? __pfx___se_sys_mount+0x10/0x10
[  303.745350][ T7380]  ? __x64_sys_mount+0x20/0xc0
[  303.745375][ T7380]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.745396][ T7380]  do_syscall_64+0x15f/0xf80
[  303.745414][ T7380]  ? trace_irq_disable+0x3b/0x140
[  303.745439][ T7380]  ? clear_bhb_loop+0x40/0x90
[  303.745462][ T7380]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.745481][ T7380] RIP: 0033:0x7f16a672b60a
[  303.745500][ T7380] 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
[  303.745516][ T7380] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.745537][ T7380] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  303.745552][ T7380] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  303.745565][ T7380] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  303.745579][ T7380] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  303.745592][ T7380] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  303.745622][ T7380]  </TASK>
[  303.745709][ T7380] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.745726][ T7380] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.990446][ T4928] Bluetooth: hci1: command 0x0406 tx timeout
[  304.525698][ T7386] loop1: detected capacity change from 0 to 32768
[  304.538276][ T7386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.538298][ T7386] CPU: 1 UID: 0 PID: 7386 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  304.538320][ T7386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  304.538332][ T7386] Call Trace:
[  304.538340][ T7386]  <TASK>
[  304.538349][ T7386]  dump_stack_lvl+0xe8/0x150
[  304.538378][ T7386]  sysfs_create_dir_ns+0x271/0x2a0
[  304.538405][ T7386]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  304.538432][ T7386]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.538461][ T7386]  ? rt_spin_unlock+0x160/0x200
[  304.538487][ T7386]  kobject_add_internal+0x631/0xd10
[  304.538517][ T7386]  kobject_init_and_add+0x12b/0x1a0
[  304.538544][ T7386]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.538568][ T7386]  ? __raw_spin_lock_init+0x45/0x100
[  304.538595][ T7386]  ? __init_swait_queue_head+0xa9/0x150
[  304.538624][ T7386]  gfs2_sys_fs_add+0x257/0x480
[  304.538656][ T7386]  ? is_dynamic_key+0x1ac/0x1c0
[  304.538684][ T7386]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.538718][ T7386]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.538759][ T7386]  gfs2_fill_super+0x141c/0x2220
[  304.538797][ T7386]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.538817][ T7386]  ? rt_spin_unlock+0x14f/0x200
[  304.538844][ T7386]  ? sb_set_blocksize+0x11b/0x210
[  304.538869][ T7386]  ? setup_bdev_super+0x4c1/0x5b0
[  304.538892][ T7386]  get_tree_bdev_flags+0x431/0x4f0
[  304.538913][ T7386]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.538935][ T7386]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.538954][ T7386]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.538984][ T7386]  gfs2_get_tree+0x51/0x1e0
[  304.539007][ T7386]  vfs_get_tree+0x92/0x2a0
[  304.539030][ T7386]  do_new_mount+0x341/0xd30
[  304.539053][ T7386]  ? apparmor_capable+0x126/0x170
[  304.539083][ T7386]  ? __pfx_do_new_mount+0x10/0x10
[  304.539108][ T7386]  ? ns_capable+0x89/0xe0
[  304.539134][ T7386]  ? user_path_at+0xd4/0x160
[  304.539171][ T7386]  ? user_path_at+0xd4/0x160
[  304.539202][ T7386]  __se_sys_mount+0x31d/0x420
[  304.539236][ T7386]  ? __pfx___se_sys_mount+0x10/0x10
[  304.539265][ T7386]  ? __x64_sys_mount+0x20/0xc0
[  304.539288][ T7386]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.539308][ T7386]  do_syscall_64+0x15f/0xf80
[  304.539325][ T7386]  ? trace_irq_disable+0x3b/0x140
[  304.539350][ T7386]  ? clear_bhb_loop+0x40/0x90
[  304.539373][ T7386]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.539391][ T7386] RIP: 0033:0x7f16a672b60a
[  304.539410][ T7386] 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
[  304.539427][ T7386] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.539448][ T7386] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  304.539463][ T7386] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  304.539476][ T7386] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  304.539490][ T7386] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  304.539503][ T7386] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  304.539535][ T7386]  </TASK>
[  304.539738][ T7386] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.539756][ T7386] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.299225][ T7391] loop1: detected capacity change from 0 to 32768
[  305.317819][ T7391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.317841][ T7391] CPU: 1 UID: 0 PID: 7391 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  305.317864][ T7391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  305.317875][ T7391] Call Trace:
[  305.317882][ T7391]  <TASK>
[  305.317890][ T7391]  dump_stack_lvl+0xe8/0x150
[  305.317920][ T7391]  sysfs_create_dir_ns+0x271/0x2a0
[  305.317945][ T7391]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  305.317970][ T7391]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  305.317991][ T7391]  ? rt_spin_unlock+0x160/0x200
[  305.318011][ T7391]  kobject_add_internal+0x631/0xd10
[  305.318033][ T7391]  kobject_init_and_add+0x12b/0x1a0
[  305.318053][ T7391]  ? __pfx_kobject_init_and_add+0x10/0x10
[  305.318070][ T7391]  ? __raw_spin_lock_init+0x45/0x100
[  305.318092][ T7391]  ? __init_swait_queue_head+0xa9/0x150
[  305.318114][ T7391]  gfs2_sys_fs_add+0x257/0x480
[  305.318137][ T7391]  ? is_dynamic_key+0x1ac/0x1c0
[  305.318160][ T7391]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  305.318189][ T7391]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  305.318220][ T7391]  gfs2_fill_super+0x141c/0x2220
[  305.318250][ T7391]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.318265][ T7391]  ? rt_spin_unlock+0x14f/0x200
[  305.318286][ T7391]  ? sb_set_blocksize+0x11b/0x210
[  305.318306][ T7391]  ? setup_bdev_super+0x4c1/0x5b0
[  305.318324][ T7391]  get_tree_bdev_flags+0x431/0x4f0
[  305.318352][ T7391]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.318369][ T7391]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  305.318383][ T7391]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  305.318409][ T7391]  gfs2_get_tree+0x51/0x1e0
[  305.318429][ T7391]  vfs_get_tree+0x92/0x2a0
[  305.318446][ T7391]  do_new_mount+0x341/0xd30
[  305.318466][ T7391]  ? apparmor_capable+0x126/0x170
[  305.318491][ T7391]  ? __pfx_do_new_mount+0x10/0x10
[  305.318512][ T7391]  ? ns_capable+0x89/0xe0
[  305.318538][ T7391]  ? user_path_at+0xd4/0x160
[  305.318567][ T7391]  ? user_path_at+0xd4/0x160
[  305.318595][ T7391]  __se_sys_mount+0x31d/0x420
[  305.318626][ T7391]  ? __pfx___se_sys_mount+0x10/0x10
[  305.318656][ T7391]  ? __x64_sys_mount+0x20/0xc0
[  305.318680][ T7391]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.318700][ T7391]  do_syscall_64+0x15f/0xf80
[  305.318718][ T7391]  ? trace_irq_disable+0x3b/0x140
[  305.318743][ T7391]  ? clear_bhb_loop+0x40/0x90
[  305.318765][ T7391]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.318784][ T7391] RIP: 0033:0x7f16a672b60a
[  305.318803][ T7391] 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
[  305.318818][ T7391] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.318840][ T7391] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  305.318854][ T7391] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  305.318866][ T7391] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  305.318880][ T7391] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  305.318893][ T7391] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  305.318921][ T7391]  </TASK>
[  305.318959][ T7391] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  305.318975][ T7391] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.095854][ T7397] loop1: detected capacity change from 0 to 32768
[  306.099531][ T7397] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.099553][ T7397] CPU: 0 UID: 0 PID: 7397 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  306.099576][ T7397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  306.099586][ T7397] Call Trace:
[  306.099594][ T7397]  <TASK>
[  306.099603][ T7397]  dump_stack_lvl+0xe8/0x150
[  306.099640][ T7397]  sysfs_create_dir_ns+0x271/0x2a0
[  306.099667][ T7397]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  306.099693][ T7397]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  306.099723][ T7397]  ? rt_spin_unlock+0x160/0x200
[  306.099750][ T7397]  kobject_add_internal+0x631/0xd10
[  306.099781][ T7397]  kobject_init_and_add+0x12b/0x1a0
[  306.099808][ T7397]  ? __pfx_kobject_init_and_add+0x10/0x10
[  306.099832][ T7397]  ? __raw_spin_lock_init+0x45/0x100
[  306.099860][ T7397]  ? __init_swait_queue_head+0xa9/0x150
[  306.099891][ T7397]  gfs2_sys_fs_add+0x257/0x480
[  306.099914][ T7397]  ? is_dynamic_key+0x1ac/0x1c0
[  306.099940][ T7397]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  306.099972][ T7397]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  306.100010][ T7397]  gfs2_fill_super+0x141c/0x2220
[  306.100044][ T7397]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.100063][ T7397]  ? rt_spin_unlock+0x14f/0x200
[  306.100088][ T7397]  ? sb_set_blocksize+0x11b/0x210
[  306.100113][ T7397]  ? setup_bdev_super+0x4c1/0x5b0
[  306.100135][ T7397]  get_tree_bdev_flags+0x431/0x4f0
[  306.100157][ T7397]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.100181][ T7397]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  306.100201][ T7397]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  306.100233][ T7397]  gfs2_get_tree+0x51/0x1e0
[  306.100260][ T7397]  vfs_get_tree+0x92/0x2a0
[  306.100283][ T7397]  do_new_mount+0x341/0xd30
[  306.100303][ T7397]  ? apparmor_capable+0x126/0x170
[  306.100335][ T7397]  ? __pfx_do_new_mount+0x10/0x10
[  306.100358][ T7397]  ? ns_capable+0x89/0xe0
[  306.100382][ T7397]  ? user_path_at+0xd4/0x160
[  306.100414][ T7397]  ? user_path_at+0xd4/0x160
[  306.100444][ T7397]  __se_sys_mount+0x31d/0x420
[  306.100477][ T7397]  ? __pfx___se_sys_mount+0x10/0x10
[  306.100508][ T7397]  ? __x64_sys_mount+0x20/0xc0
[  306.100533][ T7397]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.100555][ T7397]  do_syscall_64+0x15f/0xf80
[  306.100573][ T7397]  ? trace_irq_disable+0x3b/0x140
[  306.100598][ T7397]  ? clear_bhb_loop+0x40/0x90
[  306.100622][ T7397]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.100641][ T7397] RIP: 0033:0x7f16a672b60a
[  306.100660][ T7397] 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
[  306.100677][ T7397] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.100698][ T7397] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  306.100713][ T7397] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  306.100727][ T7397] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  306.100741][ T7397] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  306.100754][ T7397] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  306.100785][ T7397]  </TASK>
[  306.100968][ T7397] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.100985][ T7397] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.877332][ T7402] loop1: detected capacity change from 0 to 32768
[  306.892355][ T7402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.892378][ T7402] CPU: 0 UID: 0 PID: 7402 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  306.892399][ T7402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  306.892410][ T7402] Call Trace:
[  306.892418][ T7402]  <TASK>
[  306.892426][ T7402]  dump_stack_lvl+0xe8/0x150
[  306.892456][ T7402]  sysfs_create_dir_ns+0x271/0x2a0
[  306.892482][ T7402]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  306.892512][ T7402]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  306.892543][ T7402]  ? rt_spin_unlock+0x160/0x200
[  306.892569][ T7402]  kobject_add_internal+0x631/0xd10
[  306.892599][ T7402]  kobject_init_and_add+0x12b/0x1a0
[  306.892624][ T7402]  ? __pfx_kobject_init_and_add+0x10/0x10
[  306.892647][ T7402]  ? __raw_spin_lock_init+0x45/0x100
[  306.892672][ T7402]  ? __init_swait_queue_head+0xa9/0x150
[  306.892700][ T7402]  gfs2_sys_fs_add+0x257/0x480
[  306.892726][ T7402]  ? is_dynamic_key+0x1ac/0x1c0
[  306.892753][ T7402]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  306.892786][ T7402]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  306.892825][ T7402]  gfs2_fill_super+0x141c/0x2220
[  306.892860][ T7402]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.892880][ T7402]  ? rt_spin_unlock+0x14f/0x200
[  306.892908][ T7402]  ? sb_set_blocksize+0x11b/0x210
[  306.892933][ T7402]  ? setup_bdev_super+0x4c1/0x5b0
[  306.892956][ T7402]  get_tree_bdev_flags+0x431/0x4f0
[  306.892977][ T7402]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.892998][ T7402]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  306.893017][ T7402]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  306.893046][ T7402]  gfs2_get_tree+0x51/0x1e0
[  306.893071][ T7402]  vfs_get_tree+0x92/0x2a0
[  306.893094][ T7402]  do_new_mount+0x341/0xd30
[  306.893117][ T7402]  ? apparmor_capable+0x126/0x170
[  306.893148][ T7402]  ? __pfx_do_new_mount+0x10/0x10
[  306.893171][ T7402]  ? ns_capable+0x89/0xe0
[  306.893197][ T7402]  ? user_path_at+0xd4/0x160
[  306.893230][ T7402]  ? user_path_at+0xd4/0x160
[  306.893268][ T7402]  __se_sys_mount+0x31d/0x420
[  306.893300][ T7402]  ? __pfx___se_sys_mount+0x10/0x10
[  306.893332][ T7402]  ? __x64_sys_mount+0x20/0xc0
[  306.893356][ T7402]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.893377][ T7402]  do_syscall_64+0x15f/0xf80
[  306.893395][ T7402]  ? trace_irq_disable+0x3b/0x140
[  306.893418][ T7402]  ? clear_bhb_loop+0x40/0x90
[  306.893442][ T7402]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.893460][ T7402] RIP: 0033:0x7f16a672b60a
[  306.893479][ T7402] 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
[  306.893495][ T7402] RSP: 002b:00007f16a5d6ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.893516][ T7402] RAX: ffffffffffffffda RBX: 00007f16a5d6cee0 RCX: 00007f16a672b60a
[  306.893531][ T7402] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f16a5d6cea0
[  306.893544][ T7402] RBP: 000020000001f680 R08: 00007f16a5d6cee0 R09: 0000000000000084
[  306.893558][ T7402] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  306.893572][ T7402] R13: 00007f16a5d6cea0 R14: 000000000001f81f R15: 00002000000001c0
[  306.893601][ T7402]  </TASK>
[  306.893680][ T7402] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.893697][ T7402] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.670071][   T39] INFO: task kworker/0:0:9 blocked in I/O wait for more than 143 seconds.
[  307.670097][   T39]       Not tainted syzkaller #0
[  307.670108][   T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  307.670127][   T39] task:kworker/0:0     state:D stack:22208 pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00080000
[  307.670178][   T39] Workqueue: gfs2_recovery gfs2_recover_func
[  307.670208][   T39] Call Trace:
[  307.670215][   T39]  <TASK>
[  307.670228][   T39]  __schedule+0x169e/0x54f0
[  307.670261][   T39]  ? __lock_acquire+0x6b5/0x2cf0
[  307.670297][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  307.670337][   T39]  ? __pfx___schedule+0x10/0x10
[  307.670372][   T39]  ? schedule+0x90/0x360
[  307.670402][   T39]  schedule+0x164/0x360
[  307.670430][   T39]  io_schedule+0x7f/0xd0
[  307.670460][   T39]  folio_wait_bit_common+0x6dd/0xbc0
[  307.670500][   T39]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  307.670523][   T39]  ? __pfx_wake_page_function+0x10/0x10
[  307.670545][   T39]  ? __get_log_header+0x2a3/0x630
[  307.670573][   T39]  ? __filemap_get_folio_mpol+0x6fa/0xa50
[  307.670603][   T39]  gfs2_jhead_process_page+0x175/0x670
[  307.670639][   T39]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  307.670682][   T39]  gfs2_find_jhead+0xbd2/0xd30
[  307.670731][   T39]  gfs2_recover_func+0x6cf/0x1f60
[  307.670765][   T39]  ? __lock_acquire+0x6b5/0x2cf0
[  307.670799][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  307.670826][   T39]  ? __pfx_gfs2_recover_func+0x10/0x10
[  307.670846][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  307.670874][   T39]  ? __lock_acquire+0x6b5/0x2cf0
[  307.670900][   T39]  ? look_up_lock_class+0x57/0x110
[  307.670919][   T39]  ? register_lock_class+0x31/0x2e0
[  307.670955][   T39]  ? __lock_acquire+0x6b5/0x2cf0
[  307.670995][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  307.671021][   T39]  ? lock_acquire+0x106/0x350
[  307.671054][   T39]  ? process_one_work+0x8b7/0x1710
[  307.671093][   T39]  ? process_one_work+0x8b7/0x1710
[  307.671115][   T39]  process_one_work+0x9a3/0x1710
[  307.671159][   T39]  ? __pfx_process_one_work+0x10/0x10
[  307.671180][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  307.671219][   T39]  worker_thread+0xba8/0x11e0
[  307.671268][   T39]  kthread+0x388/0x470
[  307.671297][   T39]  ? __pfx_worker_thread+0x10/0x10
[  307.671319][   T39]  ? __pfx_kthread+0x10/0x10
[  307.671349][   T39]  ret_from_fork+0x514/0xb70
[  307.671376][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  307.671401][   T39]  ? __switch_to+0xc79/0x1410
[  307.671424][   T39]  ? __pfx_kthread+0x10/0x10
[  307.671452][   T39]  ret_from_fork_asm+0x1a/0x30
[  307.671518][   T39]  </TASK>
[  307.671665][   T39] INFO: task syz.0.19:6563 blocked for more than 143 seconds.
[  307.671680][   T39]       Not tainted syzkaller #0
[  307.671691][   T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  307.671701][   T39] task:syz.0.19        state:D stack:24904 pid:6563  tgid:6561  ppid:6335   task_flags:0x400140 flags:0x00080002
[  307.671752][   T39] Call Trace:
[  307.671759][   T39]  <TASK>
[  307.671770][   T39]  __schedule+0x169e/0x54f0
[  307.671801][   T39]  ? __lock_acquire+0x6b5/0x2cf0
[  307.671837][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  307.671875][   T39]  ? __pfx___schedule+0x10/0x10
[  307.671911][   T39]  ? schedule+0x90/0x360
[  307.671941][   T39]  schedule+0x164/0x360
[  307.671979][   T39]  bit_wait+0x11/0xd0
[  307.672000][   T39]  __wait_on_bit+0xb9/0x300
[  307.672020][   T39]  ? __pfx_bit_wait+0x10/0x10
[  307.672043][   T39]  out_of_line_wait_on_bit+0x13b/0x190
[  307.672064][   T39]  ? __pfx_bit_wait+0x10/0x10
[  307.672083][   T39]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  307.672105][   T39]  ? __pfx_wake_bit_function+0x10/0x10
[  307.672142][   T39]  gfs2_recover_journal+0xda/0x140
[  307.672166][   T39]  init_journal+0x16ad/0x2280
[  307.672200][   T39]  ? init_inodes+0xdb/0x320
[  307.672227][   T39]  ? __pfx_init_journal+0x10/0x10
[  307.672263][   T39]  ? snprintf+0xe8/0x140
[  307.672290][   T39]  ? init_inodes+0xdb/0x320
[  307.672312][   T39]  ? __pfx_snprintf+0x10/0x10
[  307.672339][   T39]  ? gfs2_glock_nq_num+0x13d/0x170
[  307.672368][   T39]  init_inodes+0xdb/0x320
[  307.672394][   T39]  gfs2_fill_super+0x1a92/0x2220
[  307.672433][   T39]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.672453][   T39]  ? rt_spin_unlock+0x14f/0x200
[  307.672481][   T39]  ? init_locking+0xb8/0x210
[  307.672503][   T39]  ? sb_set_blocksize+0x11b/0x210
[  307.672529][   T39]  ? setup_bdev_super+0x4c1/0x5b0
[  307.672553][   T39]  get_tree_bdev_flags+0x431/0x4f0
[  307.672575][   T39]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.672597][   T39]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  307.672617][   T39]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  307.672648][   T39]  gfs2_get_tree+0x51/0x1e0
[  307.672675][   T39]  vfs_get_tree+0x92/0x2a0
[  307.672698][   T39]  do_new_mount+0x341/0xd30
[  307.672724][   T39]  ? apparmor_capable+0x126/0x170
[  307.672754][   T39]  ? __pfx_do_new_mount+0x10/0x10
[  307.672780][   T39]  ? ns_capable+0x89/0xe0
[  307.672807][   T39]  ? user_path_at+0xd4/0x160
[  307.672840][   T39]  ? user_path_at+0xd4/0x160
[  307.672869][   T39]  __se_sys_mount+0x31d/0x420
[  307.672902][   T39]  ? __pfx___se_sys_mount+0x10/0x10
[  307.672935][   T39]  ? __x64_sys_mount+0x20/0xc0
[  307.672967][   T39]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.672989][   T39]  do_syscall_64+0x15f/0xf80
[  307.673008][   T39]  ? trace_irq_disable+0x3b/0x140
[  307.673034][   T39]  ? clear_bhb_loop+0x40/0x90
[  307.673060][   T39]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.673080][   T39] RIP: 0033:0x7f44e1f8b60a
[  307.673098][   T39] RSP: 002b:00007f44e15cce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.673119][   T39] RAX: ffffffffffffffda RBX: 00007f44e15ccee0 RCX: 00007f44e1f8b60a
[  307.673134][   T39] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f44e15ccea0
[  307.673149][   T39] RBP: 000020000001f680 R08: 00007f44e15ccee0 R09: 0000000000000084
[  307.673164][   T39] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  307.673177][   T39] R13: 00007f44e15ccea0 R14: 000000000001f81f R15: 00002000000001c0
[  307.673208][   T39]  </TASK>
[  307.673235][   T39] 
[  307.673235][   T39] Showing all locks held in the system:
[  307.673244][   T39] 2 locks held by kworker/0:0/9:
[  307.673256][   T39]  #0: ffff88801f3ac938 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[  307.673307][   T39]  #1: ffffc900000e7c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[  307.673358][   T39] 1 lock held by khungtaskd/39:
[  307.673369][   T39]  #0: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  307.673447][   T39] 2 locks held by getty/5366:
[  307.673458][   T39]  #0: ffff8880363350a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  307.673513][   T39]  #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[  307.673565][   T39] 1 lock held by syz.0.19/6563:
[  307.673576][   T39]  #0: ffff888032b340d0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xac0
[  307.673642][   T39] 5 locks held by syz.1.178/7410:
[  307.673653][   T39]  #0: ffff88813fe683b0 (&mm->mmap_lock){++++}-{4:4}, at: vms_complete_munmap_vmas+0x247/0xc60
[  307.673703][   T39]  #1: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x200
[  307.673755][   T39]  #2: ffff888032a347d8 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: pte_offset_map_lock+0x13d/0x210
[  307.673811][   T39]  #3: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[  307.673854][   T39]  #4: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: page_table_check_clear+0x124/0x4f0
[  307.673911][   T39] 
[  307.673916][   T39] =============================================
[  307.673916][   T39] 
[  307.673934][   T39] NMI backtrace for cpu 0
[  307.673952][   T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  307.673969][   T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  307.673977][   T39] Call Trace:
[  307.673984][   T39]  <TASK>
[  307.673990][   T39]  dump_stack_lvl+0xe8/0x150
[  307.674015][   T39]  nmi_cpu_backtrace+0x274/0x2d0
[  307.674034][   T39]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  307.674054][   T39]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  307.674075][   T39]  sys_info+0x135/0x170
[  307.674091][   T39]  watchdog+0xfd3/0x1030
[  307.674115][   T39]  ? watchdog+0x1c9/0x1030
[  307.674139][   T39]  kthread+0x388/0x470
[  307.674161][   T39]  ? __pfx_watchdog+0x10/0x10
[  307.674178][   T39]  ? __pfx_kthread+0x10/0x10
[  307.674201][   T39]  ret_from_fork+0x514/0xb70
[  307.674222][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  307.674242][   T39]  ? __switch_to+0xc79/0x1410
[  307.674260][   T39]  ? __pfx_kthread+0x10/0x10
[  307.674282][   T39]  ret_from_fork_asm+0x1a/0x30
[  307.674313][   T39]  </TASK>
[  307.674323][   T39] Sending NMI from CPU 0 to CPUs 1:
[  307.674350][    C1] NMI backtrace for cpu 1
[  307.674364][    C1] CPU: 1 UID: 0 PID: 7410 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  307.674383][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  307.674392][    C1] RIP: 0010:kasan_check_range+0x4f/0x2c0
[  307.674412][    C1] Code: 00 49 b9 00 00 00 00 00 80 ff ff eb 0d cc cc cc 49 b9 00 00 00 00 00 00 00 ff 4c 39 cf 0f 82 14 02 00 00 49 89 ff 49 c1 ef 03 <49> ba 00 00 00 00 00 fc ff df 4f 8d 1c 17 49 ff c8 4d 89 c1 49 c1
[  307.674427][    C1] RSP: 0018:ffffc900056b72e0 EFLAGS: 00000a02
[  307.674441][    C1] RAX: ffffffff82066801 RBX: ffffea00018d7e80 RCX: ffffffff82066913
[  307.674454][    C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea00018d7e80
[  307.674465][    C1] RBP: dffffc0000000000 R08: ffffea00018d7e88 R09: ffff800000000000
[  307.674477][    C1] R10: dffffc0000000000 R11: fffff9400031afd1 R12: ffffea00018d7e88
[  307.674489][    C1] R13: 1ffff110039d4a6c R14: 0000000000000000 R15: 1ffffd400031afd0
[  307.674501][    C1] FS:  00007f16a5d6d6c0(0000) GS:ffff888126036000(0000) knlGS:0000000000000000
[  307.674515][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  307.674527][    C1] CR2: 00007f169e888000 CR3: 0000000033d64000 CR4: 00000000003526f0
[  307.674543][    C1] Call Trace:
[  307.674549][    C1]  <TASK>
[  307.674557][    C1]  __page_cache_release+0x9f3/0xd30
[  307.674583][    C1]  folios_put_refs+0x397/0x8d0
[  307.674606][    C1]  ? __pfx_folios_put_refs+0x10/0x10
[  307.674628][    C1]  ? free_swap_cache+0x109/0x300
[  307.674649][    C1]  free_pages_and_swap_cache+0x41d/0x490
[  307.674672][    C1]  ? __pfx_free_pages_and_swap_cache+0x10/0x10
[  307.674703][    C1]  ? __virt_addr_valid+0x13c/0x390
[  307.674728][    C1]  tlb_flush_mmu+0x6d3/0xa30
[  307.674749][    C1]  tlb_finish_mmu+0xf9/0x230
[  307.674768][    C1]  unmap_region+0x2a5/0x330
[  307.674785][    C1]  ? lockdep_hardirqs_on+0x7a/0x110
[  307.674807][    C1]  ? __pfx_unmap_region+0x10/0x10
[  307.674823][    C1]  ? rt_mutex_slowunlock+0x4a7/0x8b0
[  307.674846][    C1]  ? __mas_set_range+0x12f/0x3c0
[  307.674868][    C1]  vms_complete_munmap_vmas+0x493/0xc60
[  307.674892][    C1]  ? __pfx_vms_complete_munmap_vmas+0x10/0x10
[  307.674916][    C1]  ? __mas_set_range+0x12f/0x3c0
[  307.674937][    C1]  do_vmi_align_munmap+0x3bd/0x4d0
[  307.674964][    C1]  ? __pfx_do_vmi_align_munmap+0x10/0x10
[  307.674989][    C1]  ? mtree_range_walk+0x6fc/0x8b0
[  307.675017][    C1]  do_vmi_munmap+0x252/0x2d0
[  307.675038][    C1]  __vm_munmap+0x22c/0x3d0
[  307.675058][    C1]  ? __pfx___vm_munmap+0x10/0x10
[  307.675083][    C1]  ? rcu_is_watching+0x15/0xb0
[  307.675102][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.675119][    C1]  __x64_sys_munmap+0x60/0x70
[  307.675135][    C1]  do_syscall_64+0x15f/0xf80
[  307.675149][    C1]  ? trace_irq_disable+0x3b/0x140
[  307.675169][    C1]  ? clear_bhb_loop+0x40/0x90
[  307.675187][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.675208][    C1] RIP: 0033:0x7f16a672a1a7
[  307.675222][    C1] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 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
[  307.675235][    C1] RSP: 002b:00007f16a5d6ce08 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[  307.675252][    C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f16a672a1a7
[  307.675264][    C1] RDX: 0000000001000000 RSI: 0000000008400000 RDI: 00007f169d94d000
[  307.675276][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  307.675286][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  307.675297][    C1] R13: 00007f16a5d6cee0 R14: 00007f16a5d6cea0 R15: 00007f169d94d000
[  307.675317][    C1]  </TASK>
[  307.675347][   T39] Kernel panic - not syncing: hung_task: blocked tasks
[  307.675367][   T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  307.675389][   T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  307.675400][   T39] Call Trace:
[  307.675408][   T39]  <TASK>
[  307.675417][   T39]  vpanic+0x56c/0xa60
[  307.675445][   T39]  ? __pfx_vpanic+0x10/0x10
[  307.675481][   T39]  panic+0xc5/0xd0
[  307.675505][   T39]  ? __pfx_panic+0x10/0x10
[  307.675540][   T39]  ? nmi_trigger_cpumask_backtrace+0x234/0x300
[  307.675567][   T39]  watchdog+0x102c/0x1030
[  307.675599][   T39]  ? watchdog+0x1c9/0x1030
[  307.675627][   T39]  kthread+0x388/0x470
[  307.675654][   T39]  ? __pfx_watchdog+0x10/0x10
[  307.675676][   T39]  ? __pfx_kthread+0x10/0x10
[  307.675706][   T39]  ret_from_fork+0x514/0xb70
[  307.675732][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  307.675756][   T39]  ? __switch_to+0xc79/0x1410
[  307.675779][   T39]  ? __pfx_kthread+0x10/0x10
[  307.675808][   T39]  ret_from_fork_asm+0x1a/0x30
[  307.675848][   T39]  </TASK>
[  307.676397][   T39] Kernel Offset: disabled