er #0 PREEMPT_{RT,(full)} 
[  280.819503][ T7287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  280.819515][ T7287] Call Trace:
[  280.819523][ T7287]  <TASK>
[  280.819531][ T7287]  dump_stack_lvl+0xe8/0x150
[  280.819562][ T7287]  sysfs_create_dir_ns+0x271/0x2a0
[  280.819584][ T7287]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  280.819607][ T7287]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.819631][ T7287]  ? rt_spin_unlock+0x160/0x200
[  280.819652][ T7287]  kobject_add_internal+0x631/0xd10
[  280.819685][ T7287]  kobject_init_and_add+0x12b/0x1a0
[  280.819715][ T7287]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.819743][ T7287]  ? __raw_spin_lock_init+0x45/0x100
[  280.819769][ T7287]  ? __init_swait_queue_head+0xa9/0x150
[  280.819799][ T7287]  gfs2_sys_fs_add+0x257/0x480
[  280.819821][ T7287]  ? is_dynamic_key+0x1ac/0x1c0
[  280.819848][ T7287]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.819884][ T7287]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.819923][ T7287]  gfs2_fill_super+0x141c/0x2220
[  280.819965][ T7287]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.819987][ T7287]  ? rt_spin_unlock+0x14f/0x200
[  280.820009][ T7287]  ? sb_set_blocksize+0x11b/0x210
[  280.820035][ T7287]  ? setup_bdev_super+0x4c1/0x5b0
[  280.820062][ T7287]  get_tree_bdev_flags+0x431/0x4f0
[  280.820086][ T7287]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.820110][ T7287]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.820131][ T7287]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.820163][ T7287]  gfs2_get_tree+0x51/0x1e0
[  280.820192][ T7287]  vfs_get_tree+0x92/0x2a0
[  280.820223][ T7287]  do_new_mount+0x341/0xd30
[  280.820239][ T7287]  ? apparmor_capable+0x126/0x170
[  280.820272][ T7287]  ? __pfx_do_new_mount+0x10/0x10
[  280.820291][ T7287]  ? ns_capable+0x89/0xe0
[  280.820317][ T7287]  ? user_path_at+0xd4/0x160
[  280.820343][ T7287]  ? user_path_at+0xd4/0x160
[  280.820366][ T7287]  __se_sys_mount+0x31d/0x420
[  280.820389][ T7287]  ? __pfx___se_sys_mount+0x10/0x10
[  280.820411][ T7287]  ? __x64_sys_mount+0x20/0xc0
[  280.820432][ T7287]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.820452][ T7287]  do_syscall_64+0x15f/0xf80
[  280.820475][ T7287]  ? trace_irq_disable+0x3b/0x140
[  280.820498][ T7287]  ? clear_bhb_loop+0x40/0x90
[  280.820520][ T7287]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.820538][ T7287] RIP: 0033:0x7f34b340b30a
[  280.820556][ T7287] 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
[  280.820569][ T7287] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.820586][ T7287] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  280.820596][ T7287] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  280.820607][ T7287] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  280.820617][ T7287] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  280.820627][ T7287] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  280.820649][ T7287]  </TASK>
[  280.830275][ T7287] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.830296][ T7287] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.393073][ T7291] loop1: detected capacity change from 0 to 32768
[  281.416534][ T7291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.416556][ T7291] CPU: 0 UID: 0 PID: 7291 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  281.416578][ T7291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  281.416590][ T7291] Call Trace:
[  281.416598][ T7291]  <TASK>
[  281.416606][ T7291]  dump_stack_lvl+0xe8/0x150
[  281.416638][ T7291]  sysfs_create_dir_ns+0x271/0x2a0
[  281.416660][ T7291]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  281.416683][ T7291]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.416707][ T7291]  ? rt_spin_unlock+0x160/0x200
[  281.416729][ T7291]  kobject_add_internal+0x631/0xd10
[  281.416767][ T7291]  kobject_init_and_add+0x12b/0x1a0
[  281.416800][ T7291]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.416830][ T7291]  ? __raw_spin_lock_init+0x45/0x100
[  281.416866][ T7291]  ? __init_swait_queue_head+0xa9/0x150
[  281.416897][ T7291]  gfs2_sys_fs_add+0x257/0x480
[  281.416918][ T7291]  ? is_dynamic_key+0x1ac/0x1c0
[  281.416947][ T7291]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.416978][ T7291]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.417022][ T7291]  gfs2_fill_super+0x141c/0x2220
[  281.417064][ T7291]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.417087][ T7291]  ? rt_spin_unlock+0x14f/0x200
[  281.417113][ T7291]  ? sb_set_blocksize+0x11b/0x210
[  281.417143][ T7291]  ? setup_bdev_super+0x4c1/0x5b0
[  281.417172][ T7291]  get_tree_bdev_flags+0x431/0x4f0
[  281.417198][ T7291]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.417225][ T7291]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.417249][ T7291]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.417284][ T7291]  gfs2_get_tree+0x51/0x1e0
[  281.417315][ T7291]  vfs_get_tree+0x92/0x2a0
[  281.417343][ T7291]  do_new_mount+0x341/0xd30
[  281.417360][ T7291]  ? apparmor_capable+0x126/0x170
[  281.417394][ T7291]  ? __pfx_do_new_mount+0x10/0x10
[  281.417414][ T7291]  ? ns_capable+0x89/0xe0
[  281.417442][ T7291]  ? user_path_at+0xd4/0x160
[  281.417469][ T7291]  ? user_path_at+0xd4/0x160
[  281.417494][ T7291]  __se_sys_mount+0x31d/0x420
[  281.417520][ T7291]  ? __pfx___se_sys_mount+0x10/0x10
[  281.417547][ T7291]  ? __x64_sys_mount+0x20/0xc0
[  281.417566][ T7291]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.417588][ T7291]  do_syscall_64+0x15f/0xf80
[  281.417613][ T7291]  ? trace_irq_disable+0x3b/0x140
[  281.417639][ T7291]  ? clear_bhb_loop+0x40/0x90
[  281.417664][ T7291]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.417684][ T7291] RIP: 0033:0x7f34b340b30a
[  281.417703][ T7291] 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
[  281.417719][ T7291] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.417741][ T7291] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  281.417756][ T7291] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  281.417770][ T7291] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  281.417785][ T7291] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  281.417798][ T7291] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  281.417829][ T7291]  </TASK>
[  281.418443][ T7291] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.418460][ T7291] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.966703][ T7295] loop1: detected capacity change from 0 to 32768
[  281.979688][ T7295] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.979711][ T7295] CPU: 0 UID: 0 PID: 7295 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  281.979732][ T7295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  281.979744][ T7295] Call Trace:
[  281.979752][ T7295]  <TASK>
[  281.979760][ T7295]  dump_stack_lvl+0xe8/0x150
[  281.979793][ T7295]  sysfs_create_dir_ns+0x271/0x2a0
[  281.979814][ T7295]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  281.979836][ T7295]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.979860][ T7295]  ? rt_spin_unlock+0x160/0x200
[  281.979883][ T7295]  kobject_add_internal+0x631/0xd10
[  281.979921][ T7295]  kobject_init_and_add+0x12b/0x1a0
[  281.979956][ T7295]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.979995][ T7295]  ? __raw_spin_lock_init+0x45/0x100
[  281.980022][ T7295]  ? __init_swait_queue_head+0xa9/0x150
[  281.980051][ T7295]  gfs2_sys_fs_add+0x257/0x480
[  281.980071][ T7295]  ? is_dynamic_key+0x1ac/0x1c0
[  281.980099][ T7295]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.980128][ T7295]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.980169][ T7295]  gfs2_fill_super+0x141c/0x2220
[  281.980215][ T7295]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.980242][ T7295]  ? rt_spin_unlock+0x14f/0x200
[  281.980266][ T7295]  ? sb_set_blocksize+0x11b/0x210
[  281.980296][ T7295]  ? setup_bdev_super+0x4c1/0x5b0
[  281.980325][ T7295]  get_tree_bdev_flags+0x431/0x4f0
[  281.980351][ T7295]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.980377][ T7295]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.980401][ T7295]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.980438][ T7295]  gfs2_get_tree+0x51/0x1e0
[  281.980467][ T7295]  vfs_get_tree+0x92/0x2a0
[  281.980493][ T7295]  do_new_mount+0x341/0xd30
[  281.980510][ T7295]  ? apparmor_capable+0x126/0x170
[  281.980543][ T7295]  ? __pfx_do_new_mount+0x10/0x10
[  281.980562][ T7295]  ? ns_capable+0x89/0xe0
[  281.980590][ T7295]  ? user_path_at+0xd4/0x160
[  281.980615][ T7295]  ? user_path_at+0xd4/0x160
[  281.980640][ T7295]  __se_sys_mount+0x31d/0x420
[  281.980665][ T7295]  ? __pfx___se_sys_mount+0x10/0x10
[  281.980691][ T7295]  ? __x64_sys_mount+0x20/0xc0
[  281.980711][ T7295]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.980732][ T7295]  do_syscall_64+0x15f/0xf80
[  281.980758][ T7295]  ? trace_irq_disable+0x3b/0x140
[  281.980784][ T7295]  ? clear_bhb_loop+0x40/0x90
[  281.980809][ T7295]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.980829][ T7295] RIP: 0033:0x7f34b340b30a
[  281.980848][ 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
[  281.980864][ T7295] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.980886][ T7295] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  281.980900][ T7295] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  281.980914][ T7295] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  281.980927][ T7295] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  281.980940][ T7295] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  281.980970][ T7295]  </TASK>
[  281.984312][ 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.
[  281.984331][ T7295] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.521854][ T7299] loop1: detected capacity change from 0 to 32768
[  282.539552][ T7299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.539575][ T7299] CPU: 0 UID: 0 PID: 7299 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  282.539597][ T7299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  282.539609][ T7299] Call Trace:
[  282.539616][ T7299]  <TASK>
[  282.539625][ T7299]  dump_stack_lvl+0xe8/0x150
[  282.539658][ T7299]  sysfs_create_dir_ns+0x271/0x2a0
[  282.539681][ T7299]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  282.539704][ T7299]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.539727][ T7299]  ? rt_spin_unlock+0x160/0x200
[  282.539749][ T7299]  kobject_add_internal+0x631/0xd10
[  282.539787][ T7299]  kobject_init_and_add+0x12b/0x1a0
[  282.539821][ T7299]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.539852][ T7299]  ? __raw_spin_lock_init+0x45/0x100
[  282.539880][ T7299]  ? __init_swait_queue_head+0xa9/0x150
[  282.539912][ T7299]  gfs2_sys_fs_add+0x257/0x480
[  282.539933][ T7299]  ? is_dynamic_key+0x1ac/0x1c0
[  282.539959][ T7299]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.539998][ T7299]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.540043][ T7299]  gfs2_fill_super+0x141c/0x2220
[  282.540087][ T7299]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.540114][ T7299]  ? rt_spin_unlock+0x14f/0x200
[  282.540139][ T7299]  ? sb_set_blocksize+0x11b/0x210
[  282.540169][ T7299]  ? setup_bdev_super+0x4c1/0x5b0
[  282.540201][ T7299]  get_tree_bdev_flags+0x431/0x4f0
[  282.540232][ T7299]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.540258][ T7299]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.540282][ T7299]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.540317][ T7299]  gfs2_get_tree+0x51/0x1e0
[  282.540346][ T7299]  vfs_get_tree+0x92/0x2a0
[  282.540375][ T7299]  do_new_mount+0x341/0xd30
[  282.540393][ T7299]  ? apparmor_capable+0x126/0x170
[  282.540428][ T7299]  ? __pfx_do_new_mount+0x10/0x10
[  282.540445][ T7299]  ? ns_capable+0x89/0xe0
[  282.540470][ T7299]  ? user_path_at+0xd4/0x160
[  282.540494][ T7299]  ? user_path_at+0xd4/0x160
[  282.540518][ T7299]  __se_sys_mount+0x31d/0x420
[  282.540544][ T7299]  ? __pfx___se_sys_mount+0x10/0x10
[  282.540570][ T7299]  ? __x64_sys_mount+0x20/0xc0
[  282.540590][ T7299]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.540612][ T7299]  do_syscall_64+0x15f/0xf80
[  282.540638][ T7299]  ? trace_irq_disable+0x3b/0x140
[  282.540663][ T7299]  ? clear_bhb_loop+0x40/0x90
[  282.540688][ T7299]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.540707][ T7299] RIP: 0033:0x7f34b340b30a
[  282.540726][ T7299] 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
[  282.540743][ T7299] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.540763][ T7299] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  282.540778][ T7299] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  282.540793][ T7299] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  282.540807][ T7299] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  282.540820][ T7299] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  282.540851][ T7299]  </TASK>
[  282.545600][ T7299] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.545621][ T7299] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.095738][ T7303] loop1: detected capacity change from 0 to 32768
[  283.101657][ T7303] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.101679][ T7303] CPU: 0 UID: 0 PID: 7303 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  283.101701][ T7303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  283.101712][ T7303] Call Trace:
[  283.101720][ T7303]  <TASK>
[  283.101727][ T7303]  dump_stack_lvl+0xe8/0x150
[  283.101759][ T7303]  sysfs_create_dir_ns+0x271/0x2a0
[  283.101780][ T7303]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  283.101803][ T7303]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.101826][ T7303]  ? rt_spin_unlock+0x160/0x200
[  283.101857][ T7303]  kobject_add_internal+0x631/0xd10
[  283.101894][ T7303]  kobject_init_and_add+0x12b/0x1a0
[  283.101926][ T7303]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.101955][ T7303]  ? __raw_spin_lock_init+0x45/0x100
[  283.101983][ T7303]  ? __init_swait_queue_head+0xa9/0x150
[  283.102012][ T7303]  gfs2_sys_fs_add+0x257/0x480
[  283.102035][ T7303]  ? is_dynamic_key+0x1ac/0x1c0
[  283.102064][ T7303]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.102093][ T7303]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.102134][ T7303]  gfs2_fill_super+0x141c/0x2220
[  283.102175][ T7303]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.102200][ T7303]  ? rt_spin_unlock+0x14f/0x200
[  283.102223][ T7303]  ? sb_set_blocksize+0x11b/0x210
[  283.102252][ T7303]  ? setup_bdev_super+0x4c1/0x5b0
[  283.102280][ T7303]  get_tree_bdev_flags+0x431/0x4f0
[  283.102306][ T7303]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.102331][ T7303]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.102355][ T7303]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.102389][ T7303]  gfs2_get_tree+0x51/0x1e0
[  283.102418][ T7303]  vfs_get_tree+0x92/0x2a0
[  283.102444][ T7303]  do_new_mount+0x341/0xd30
[  283.102462][ T7303]  ? apparmor_capable+0x126/0x170
[  283.102495][ T7303]  ? __pfx_do_new_mount+0x10/0x10
[  283.102514][ T7303]  ? ns_capable+0x89/0xe0
[  283.102540][ T7303]  ? user_path_at+0xd4/0x160
[  283.102566][ T7303]  ? user_path_at+0xd4/0x160
[  283.102589][ T7303]  __se_sys_mount+0x31d/0x420
[  283.102614][ T7303]  ? __pfx___se_sys_mount+0x10/0x10
[  283.102639][ T7303]  ? __x64_sys_mount+0x20/0xc0
[  283.102661][ T7303]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.102682][ T7303]  do_syscall_64+0x15f/0xf80
[  283.102707][ T7303]  ? trace_irq_disable+0x3b/0x140
[  283.102733][ T7303]  ? clear_bhb_loop+0x40/0x90
[  283.102756][ T7303]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.102775][ T7303] RIP: 0033:0x7f34b340b30a
[  283.102793][ T7303] 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
[  283.102810][ T7303] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.102836][ T7303] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  283.102851][ T7303] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  283.102865][ T7303] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  283.102878][ T7303] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  283.102892][ T7303] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  283.102923][ T7303]  </TASK>
[  283.102959][ T7303] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.102973][ T7303] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.652432][ T7307] loop1: detected capacity change from 0 to 32768
[  283.683890][ T7307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.683906][ T7307] CPU: 1 UID: 0 PID: 7307 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  283.683918][ T7307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  283.683925][ T7307] Call Trace:
[  283.683930][ T7307]  <TASK>
[  283.683935][ T7307]  dump_stack_lvl+0xe8/0x150
[  283.683954][ T7307]  sysfs_create_dir_ns+0x271/0x2a0
[  283.683966][ T7307]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  283.683979][ T7307]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.683992][ T7307]  ? rt_spin_unlock+0x160/0x200
[  283.684004][ T7307]  kobject_add_internal+0x631/0xd10
[  283.684025][ T7307]  kobject_init_and_add+0x12b/0x1a0
[  283.684043][ T7307]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.684059][ T7307]  ? __raw_spin_lock_init+0x45/0x100
[  283.684074][ T7307]  ? __init_swait_queue_head+0xa9/0x150
[  283.684091][ T7307]  gfs2_sys_fs_add+0x257/0x480
[  283.684103][ T7307]  ? is_dynamic_key+0x1ac/0x1c0
[  283.684118][ T7307]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.684134][ T7307]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.684158][ T7307]  gfs2_fill_super+0x141c/0x2220
[  283.684181][ T7307]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.684194][ T7307]  ? rt_spin_unlock+0x14f/0x200
[  283.684207][ T7307]  ? sb_set_blocksize+0x11b/0x210
[  283.684223][ T7307]  ? setup_bdev_super+0x4c1/0x5b0
[  283.684239][ T7307]  get_tree_bdev_flags+0x431/0x4f0
[  283.684252][ T7307]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.684267][ T7307]  ? __pfx_get_tree_bdev_flags+0x10/0x10
2026/04/28 14:13:47 executed programs: 182
[  283.684279][ T7307]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.684298][ T7307]  gfs2_get_tree+0x51/0x1e0
[  283.684314][ T7307]  vfs_get_tree+0x92/0x2a0
[  283.684329][ T7307]  do_new_mount+0x341/0xd30
[  283.684338][ T7307]  ? apparmor_capable+0x126/0x170
[  283.684357][ T7307]  ? __pfx_do_new_mount+0x10/0x10
[  283.684367][ T7307]  ? ns_capable+0x89/0xe0
[  283.684381][ T7307]  ? user_path_at+0xd4/0x160
[  283.684400][ T7307]  ? user_path_at+0xd4/0x160
[  283.684413][ T7307]  __se_sys_mount+0x31d/0x420
[  283.684426][ T7307]  ? __pfx___se_sys_mount+0x10/0x10
[  283.684440][ T7307]  ? __x64_sys_mount+0x20/0xc0
[  283.684450][ T7307]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.684462][ T7307]  do_syscall_64+0x15f/0xf80
[  283.684479][ T7307]  ? trace_irq_disable+0x3b/0x140
[  283.684504][ T7307]  ? clear_bhb_loop+0x40/0x90
[  283.684520][ T7307]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.684531][ T7307] RIP: 0033:0x7f34b340b30a
[  283.684543][ T7307] 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
[  283.684552][ T7307] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.684564][ T7307] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  283.684572][ T7307] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  283.684579][ T7307] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  283.684593][ T7307] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  283.684600][ T7307] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  283.684616][ T7307]  </TASK>
[  283.684639][ T7307] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.684647][ T7307] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.268168][ T7311] loop1: detected capacity change from 0 to 32768
[  284.282698][ T7311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.282720][ T7311] CPU: 0 UID: 0 PID: 7311 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  284.282741][ T7311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  284.282760][ T7311] Call Trace:
[  284.282768][ T7311]  <TASK>
[  284.282776][ T7311]  dump_stack_lvl+0xe8/0x150
[  284.282808][ T7311]  sysfs_create_dir_ns+0x271/0x2a0
[  284.282830][ T7311]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  284.282854][ T7311]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.282879][ T7311]  ? rt_spin_unlock+0x160/0x200
[  284.282902][ T7311]  kobject_add_internal+0x631/0xd10
[  284.282940][ T7311]  kobject_init_and_add+0x12b/0x1a0
[  284.282974][ T7311]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.283003][ T7311]  ? __raw_spin_lock_init+0x45/0x100
[  284.283032][ T7311]  ? __init_swait_queue_head+0xa9/0x150
[  284.283063][ T7311]  gfs2_sys_fs_add+0x257/0x480
[  284.283086][ T7311]  ? is_dynamic_key+0x1ac/0x1c0
[  284.283115][ T7311]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.283149][ T7311]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.283193][ T7311]  gfs2_fill_super+0x141c/0x2220
[  284.283234][ T7311]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.283259][ T7311]  ? rt_spin_unlock+0x14f/0x200
[  284.283285][ T7311]  ? sb_set_blocksize+0x11b/0x210
[  284.283315][ T7311]  ? setup_bdev_super+0x4c1/0x5b0
[  284.283343][ T7311]  get_tree_bdev_flags+0x431/0x4f0
[  284.283368][ T7311]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.283395][ T7311]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.283417][ T7311]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.283453][ T7311]  gfs2_get_tree+0x51/0x1e0
[  284.283484][ T7311]  vfs_get_tree+0x92/0x2a0
[  284.283509][ T7311]  do_new_mount+0x341/0xd30
[  284.283527][ T7311]  ? apparmor_capable+0x126/0x170
[  284.283560][ T7311]  ? __pfx_do_new_mount+0x10/0x10
[  284.283579][ T7311]  ? ns_capable+0x89/0xe0
[  284.283606][ T7311]  ? user_path_at+0xd4/0x160
[  284.283634][ T7311]  ? user_path_at+0xd4/0x160
[  284.283658][ T7311]  __se_sys_mount+0x31d/0x420
[  284.283685][ T7311]  ? __pfx___se_sys_mount+0x10/0x10
[  284.283730][ T7311]  ? __x64_sys_mount+0x20/0xc0
[  284.283756][ T7311]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.283776][ T7311]  do_syscall_64+0x15f/0xf80
[  284.283802][ T7311]  ? trace_irq_disable+0x3b/0x140
[  284.283827][ T7311]  ? clear_bhb_loop+0x40/0x90
[  284.283851][ T7311]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.283874][ T7311] RIP: 0033:0x7f34b340b30a
[  284.283891][ T7311] 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
[  284.283907][ T7311] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.283928][ T7311] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  284.283941][ T7311] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  284.283954][ T7311] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  284.283969][ T7311] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  284.283982][ T7311] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  284.284012][ T7311]  </TASK>
[  284.284234][ T7311] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.284251][ T7311] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.861861][ T7315] loop1: detected capacity change from 0 to 32768
[  284.869066][ T7315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.869088][ T7315] CPU: 0 UID: 0 PID: 7315 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  284.869109][ T7315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  284.869121][ T7315] Call Trace:
[  284.869128][ T7315]  <TASK>
[  284.869136][ T7315]  dump_stack_lvl+0xe8/0x150
[  284.869168][ T7315]  sysfs_create_dir_ns+0x271/0x2a0
[  284.869190][ T7315]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  284.869211][ T7315]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.869235][ T7315]  ? rt_spin_unlock+0x160/0x200
[  284.869258][ T7315]  kobject_add_internal+0x631/0xd10
[  284.869296][ T7315]  kobject_init_and_add+0x12b/0x1a0
[  284.869331][ T7315]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.869361][ T7315]  ? __raw_spin_lock_init+0x45/0x100
[  284.869389][ T7315]  ? __init_swait_queue_head+0xa9/0x150
[  284.869417][ T7315]  gfs2_sys_fs_add+0x257/0x480
[  284.869437][ T7315]  ? is_dynamic_key+0x1ac/0x1c0
[  284.869467][ T7315]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.869495][ T7315]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.869537][ T7315]  gfs2_fill_super+0x141c/0x2220
[  284.869578][ T7315]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.869604][ T7315]  ? rt_spin_unlock+0x14f/0x200
[  284.869627][ T7315]  ? sb_set_blocksize+0x11b/0x210
[  284.869657][ T7315]  ? setup_bdev_super+0x4c1/0x5b0
[  284.869695][ T7315]  get_tree_bdev_flags+0x431/0x4f0
[  284.869721][ T7315]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.869747][ T7315]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.869775][ T7315]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.869809][ T7315]  gfs2_get_tree+0x51/0x1e0
[  284.869839][ T7315]  vfs_get_tree+0x92/0x2a0
[  284.869867][ T7315]  do_new_mount+0x341/0xd30
[  284.869885][ T7315]  ? apparmor_capable+0x126/0x170
[  284.869920][ T7315]  ? __pfx_do_new_mount+0x10/0x10
[  284.869939][ T7315]  ? ns_capable+0x89/0xe0
[  284.869966][ T7315]  ? user_path_at+0xd4/0x160
[  284.869993][ T7315]  ? user_path_at+0xd4/0x160
[  284.870019][ T7315]  __se_sys_mount+0x31d/0x420
[  284.870045][ T7315]  ? __pfx___se_sys_mount+0x10/0x10
[  284.870073][ T7315]  ? __x64_sys_mount+0x20/0xc0
[  284.870092][ T7315]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.870113][ T7315]  do_syscall_64+0x15f/0xf80
[  284.870139][ T7315]  ? trace_irq_disable+0x3b/0x140
[  284.870163][ T7315]  ? clear_bhb_loop+0x40/0x90
[  284.870186][ T7315]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.870205][ T7315] RIP: 0033:0x7f34b340b30a
[  284.870228][ 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
[  284.870244][ T7315] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.870266][ T7315] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  284.870281][ T7315] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  284.870295][ T7315] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  284.870308][ T7315] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  284.870320][ T7315] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  284.870348][ T7315]  </TASK>
[  284.941342][ 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.
[  284.941363][ T7315] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.435527][ T7319] loop1: detected capacity change from 0 to 32768
[  285.469581][ T7319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.469604][ T7319] CPU: 1 UID: 0 PID: 7319 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  285.469627][ T7319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  285.469639][ T7319] Call Trace:
[  285.469647][ T7319]  <TASK>
[  285.469656][ T7319]  dump_stack_lvl+0xe8/0x150
[  285.469688][ T7319]  sysfs_create_dir_ns+0x271/0x2a0
[  285.469711][ T7319]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  285.469734][ T7319]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.469759][ T7319]  ? rt_spin_unlock+0x160/0x200
[  285.469783][ T7319]  kobject_add_internal+0x631/0xd10
[  285.469821][ T7319]  kobject_init_and_add+0x12b/0x1a0
[  285.469855][ T7319]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.469885][ T7319]  ? __raw_spin_lock_init+0x45/0x100
[  285.469912][ T7319]  ? __init_swait_queue_head+0xa9/0x150
[  285.469942][ T7319]  gfs2_sys_fs_add+0x257/0x480
[  285.469964][ T7319]  ? is_dynamic_key+0x1ac/0x1c0
[  285.469993][ T7319]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.470024][ T7319]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.470067][ T7319]  gfs2_fill_super+0x141c/0x2220
[  285.470110][ T7319]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.470137][ T7319]  ? rt_spin_unlock+0x14f/0x200
[  285.470162][ T7319]  ? sb_set_blocksize+0x11b/0x210
[  285.470193][ T7319]  ? setup_bdev_super+0x4c1/0x5b0
[  285.470227][ T7319]  get_tree_bdev_flags+0x431/0x4f0
[  285.470253][ T7319]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.470279][ T7319]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.470302][ T7319]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.470338][ T7319]  gfs2_get_tree+0x51/0x1e0
[  285.470369][ T7319]  vfs_get_tree+0x92/0x2a0
[  285.470404][ T7319]  do_new_mount+0x341/0xd30
[  285.470426][ T7319]  ? apparmor_capable+0x126/0x170
[  285.470455][ T7319]  ? __pfx_do_new_mount+0x10/0x10
[  285.470473][ T7319]  ? ns_capable+0x89/0xe0
[  285.470499][ T7319]  ? user_path_at+0xd4/0x160
[  285.470523][ T7319]  ? user_path_at+0xd4/0x160
[  285.470546][ T7319]  __se_sys_mount+0x31d/0x420
[  285.470572][ T7319]  ? __pfx___se_sys_mount+0x10/0x10
[  285.470598][ T7319]  ? __x64_sys_mount+0x20/0xc0
[  285.470617][ T7319]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.470639][ T7319]  do_syscall_64+0x15f/0xf80
[  285.470665][ T7319]  ? trace_irq_disable+0x3b/0x140
[  285.470690][ T7319]  ? clear_bhb_loop+0x40/0x90
[  285.470716][ T7319]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.470736][ T7319] RIP: 0033:0x7f34b340b30a
[  285.470755][ T7319] 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
[  285.470772][ T7319] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.470793][ T7319] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  285.470808][ T7319] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  285.470823][ T7319] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  285.470837][ T7319] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  285.470850][ T7319] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  285.470879][ T7319]  </TASK>
[  285.474982][ T7319] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.475003][ T7319] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.994759][ T7323] loop1: detected capacity change from 0 to 32768
[  285.999542][ T7323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.999563][ T7323] CPU: 0 UID: 0 PID: 7323 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  285.999585][ T7323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  285.999596][ T7323] Call Trace:
[  285.999604][ T7323]  <TASK>
[  285.999612][ T7323]  dump_stack_lvl+0xe8/0x150
[  285.999643][ T7323]  sysfs_create_dir_ns+0x271/0x2a0
[  285.999665][ T7323]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  285.999687][ T7323]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.999711][ T7323]  ? rt_spin_unlock+0x160/0x200
[  285.999735][ T7323]  kobject_add_internal+0x631/0xd10
[  285.999771][ T7323]  kobject_init_and_add+0x12b/0x1a0
[  285.999805][ T7323]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.999835][ T7323]  ? __raw_spin_lock_init+0x45/0x100
[  285.999863][ T7323]  ? __init_swait_queue_head+0xa9/0x150
[  285.999892][ T7323]  gfs2_sys_fs_add+0x257/0x480
[  285.999913][ T7323]  ? is_dynamic_key+0x1ac/0x1c0
[  285.999942][ T7323]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.999972][ T7323]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.000019][ T7323]  gfs2_fill_super+0x141c/0x2220
[  286.000063][ T7323]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.000088][ T7323]  ? rt_spin_unlock+0x14f/0x200
[  286.000110][ T7323]  ? sb_set_blocksize+0x11b/0x210
[  286.000137][ T7323]  ? setup_bdev_super+0x4c1/0x5b0
[  286.000165][ T7323]  get_tree_bdev_flags+0x431/0x4f0
[  286.000189][ T7323]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.000215][ T7323]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.000240][ T7323]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.000274][ T7323]  gfs2_get_tree+0x51/0x1e0
[  286.000302][ T7323]  vfs_get_tree+0x92/0x2a0
[  286.000334][ T7323]  do_new_mount+0x341/0xd30
[  286.000351][ T7323]  ? apparmor_capable+0x126/0x170
[  286.000385][ T7323]  ? __pfx_do_new_mount+0x10/0x10
[  286.000403][ T7323]  ? ns_capable+0x89/0xe0
[  286.000429][ T7323]  ? user_path_at+0xd4/0x160
[  286.000453][ T7323]  ? user_path_at+0xd4/0x160
[  286.000475][ T7323]  __se_sys_mount+0x31d/0x420
[  286.000500][ T7323]  ? __pfx___se_sys_mount+0x10/0x10
[  286.000524][ T7323]  ? __x64_sys_mount+0x20/0xc0
[  286.000542][ T7323]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.000562][ T7323]  do_syscall_64+0x15f/0xf80
[  286.000587][ T7323]  ? trace_irq_disable+0x3b/0x140
[  286.000610][ T7323]  ? clear_bhb_loop+0x40/0x90
[  286.000634][ T7323]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.000653][ T7323] RIP: 0033:0x7f34b340b30a
[  286.000671][ T7323] 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
[  286.000688][ T7323] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.000708][ T7323] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  286.000722][ T7323] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  286.000736][ T7323] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  286.000749][ T7323] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  286.000763][ T7323] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  286.000793][ T7323]  </TASK>
[  286.051568][ T7323] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.051597][ T7323] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.589779][ T7327] loop1: detected capacity change from 0 to 32768
[  286.617983][ T7327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.618006][ T7327] CPU: 0 UID: 0 PID: 7327 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  286.618027][ T7327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  286.618039][ T7327] Call Trace:
[  286.618047][ T7327]  <TASK>
[  286.618055][ T7327]  dump_stack_lvl+0xe8/0x150
[  286.618086][ T7327]  sysfs_create_dir_ns+0x271/0x2a0
[  286.618108][ T7327]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  286.618129][ T7327]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.618152][ T7327]  ? rt_spin_unlock+0x160/0x200
[  286.618173][ T7327]  kobject_add_internal+0x631/0xd10
[  286.618210][ T7327]  kobject_init_and_add+0x12b/0x1a0
[  286.618245][ T7327]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.618284][ T7327]  ? __raw_spin_lock_init+0x45/0x100
[  286.618312][ T7327]  ? __init_swait_queue_head+0xa9/0x150
[  286.618342][ T7327]  gfs2_sys_fs_add+0x257/0x480
[  286.618363][ T7327]  ? is_dynamic_key+0x1ac/0x1c0
[  286.618391][ T7327]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.618422][ T7327]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.618466][ T7327]  gfs2_fill_super+0x141c/0x2220
[  286.618505][ T7327]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.618530][ T7327]  ? rt_spin_unlock+0x14f/0x200
[  286.618555][ T7327]  ? sb_set_blocksize+0x11b/0x210
[  286.618585][ T7327]  ? setup_bdev_super+0x4c1/0x5b0
[  286.618614][ T7327]  get_tree_bdev_flags+0x431/0x4f0
[  286.618641][ T7327]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.618668][ T7327]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.618691][ T7327]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.618726][ T7327]  gfs2_get_tree+0x51/0x1e0
[  286.618756][ T7327]  vfs_get_tree+0x92/0x2a0
[  286.618784][ T7327]  do_new_mount+0x341/0xd30
[  286.618801][ T7327]  ? apparmor_capable+0x126/0x170
[  286.618837][ T7327]  ? __pfx_do_new_mount+0x10/0x10
[  286.618856][ T7327]  ? ns_capable+0x89/0xe0
[  286.618883][ T7327]  ? user_path_at+0xd4/0x160
[  286.618909][ T7327]  ? user_path_at+0xd4/0x160
[  286.618934][ T7327]  __se_sys_mount+0x31d/0x420
[  286.618961][ T7327]  ? __pfx___se_sys_mount+0x10/0x10
[  286.618992][ T7327]  ? __x64_sys_mount+0x20/0xc0
[  286.619012][ T7327]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.619034][ T7327]  do_syscall_64+0x15f/0xf80
[  286.619058][ T7327]  ? trace_irq_disable+0x3b/0x140
[  286.619084][ T7327]  ? clear_bhb_loop+0x40/0x90
[  286.619108][ T7327]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.619128][ T7327] RIP: 0033:0x7f34b340b30a
[  286.619147][ T7327] 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
[  286.619164][ T7327] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.619185][ T7327] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  286.619201][ T7327] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  286.619215][ T7327] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  286.619229][ T7327] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  286.619242][ T7327] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  286.619279][ T7327]  </TASK>
[  286.619330][ T7327] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.619346][ T7327] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.209373][ T7331] loop1: detected capacity change from 0 to 32768
[  287.221076][ T7331] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.221098][ T7331] CPU: 0 UID: 0 PID: 7331 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  287.221119][ T7331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  287.221131][ T7331] Call Trace:
[  287.221138][ T7331]  <TASK>
[  287.221154][ T7331]  dump_stack_lvl+0xe8/0x150
[  287.221186][ T7331]  sysfs_create_dir_ns+0x271/0x2a0
[  287.221207][ T7331]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.221229][ T7331]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.221252][ T7331]  ? rt_spin_unlock+0x160/0x200
[  287.221274][ T7331]  kobject_add_internal+0x631/0xd10
[  287.221312][ T7331]  kobject_init_and_add+0x12b/0x1a0
[  287.221345][ T7331]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.221374][ T7331]  ? __raw_spin_lock_init+0x45/0x100
[  287.221400][ T7331]  ? __init_swait_queue_head+0xa9/0x150
[  287.221428][ T7331]  gfs2_sys_fs_add+0x257/0x480
[  287.221448][ T7331]  ? is_dynamic_key+0x1ac/0x1c0
[  287.221476][ T7331]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.221557][ T7331]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.221600][ T7331]  gfs2_fill_super+0x141c/0x2220
[  287.221642][ T7331]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.221667][ T7331]  ? rt_spin_unlock+0x14f/0x200
[  287.221691][ T7331]  ? sb_set_blocksize+0x11b/0x210
[  287.221719][ T7331]  ? setup_bdev_super+0x4c1/0x5b0
[  287.221748][ T7331]  get_tree_bdev_flags+0x431/0x4f0
[  287.221773][ T7331]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.221799][ T7331]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.221823][ T7331]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.221859][ T7331]  gfs2_get_tree+0x51/0x1e0
[  287.221889][ T7331]  vfs_get_tree+0x92/0x2a0
[  287.221915][ T7331]  do_new_mount+0x341/0xd30
[  287.221933][ T7331]  ? apparmor_capable+0x126/0x170
[  287.221967][ T7331]  ? __pfx_do_new_mount+0x10/0x10
[  287.221987][ T7331]  ? ns_capable+0x89/0xe0
[  287.222015][ T7331]  ? user_path_at+0xd4/0x160
[  287.222042][ T7331]  ? user_path_at+0xd4/0x160
[  287.222066][ T7331]  __se_sys_mount+0x31d/0x420
[  287.222091][ T7331]  ? __pfx___se_sys_mount+0x10/0x10
[  287.222116][ T7331]  ? __x64_sys_mount+0x20/0xc0
[  287.222136][ T7331]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.222167][ T7331]  do_syscall_64+0x15f/0xf80
[  287.222192][ T7331]  ? trace_irq_disable+0x3b/0x140
[  287.222217][ T7331]  ? clear_bhb_loop+0x40/0x90
[  287.222241][ T7331]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.222260][ T7331] RIP: 0033:0x7f34b340b30a
[  287.222279][ T7331] 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
[  287.222296][ T7331] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.222318][ T7331] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  287.222332][ T7331] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  287.222346][ T7331] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  287.222360][ T7331] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  287.222373][ T7331] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  287.222402][ T7331]  </TASK>
[  287.229119][ T7331] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.229140][ T7331] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.813391][ T7335] loop1: detected capacity change from 0 to 32768
[  287.829269][ T7335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.829291][ T7335] CPU: 1 UID: 0 PID: 7335 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  287.829313][ T7335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  287.829325][ T7335] Call Trace:
[  287.829333][ T7335]  <TASK>
[  287.829341][ T7335]  dump_stack_lvl+0xe8/0x150
[  287.829371][ T7335]  sysfs_create_dir_ns+0x271/0x2a0
[  287.829393][ T7335]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.829416][ T7335]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.829440][ T7335]  ? rt_spin_unlock+0x160/0x200
[  287.829463][ T7335]  kobject_add_internal+0x631/0xd10
[  287.829499][ T7335]  kobject_init_and_add+0x12b/0x1a0
[  287.829531][ T7335]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.829560][ T7335]  ? __raw_spin_lock_init+0x45/0x100
[  287.829589][ T7335]  ? __init_swait_queue_head+0xa9/0x150
[  287.829619][ T7335]  gfs2_sys_fs_add+0x257/0x480
[  287.829640][ T7335]  ? is_dynamic_key+0x1ac/0x1c0
[  287.829670][ T7335]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.829699][ T7335]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.829741][ T7335]  gfs2_fill_super+0x141c/0x2220
[  287.829783][ T7335]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.829807][ T7335]  ? rt_spin_unlock+0x14f/0x200
[  287.829829][ T7335]  ? sb_set_blocksize+0x11b/0x210
[  287.829858][ T7335]  ? setup_bdev_super+0x4c1/0x5b0
[  287.829886][ T7335]  get_tree_bdev_flags+0x431/0x4f0
[  287.829912][ T7335]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.829938][ T7335]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.829961][ T7335]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.829996][ T7335]  gfs2_get_tree+0x51/0x1e0
[  287.830025][ T7335]  vfs_get_tree+0x92/0x2a0
[  287.830052][ T7335]  do_new_mount+0x341/0xd30
[  287.830070][ T7335]  ? apparmor_capable+0x126/0x170
[  287.830178][ T7335]  ? __pfx_do_new_mount+0x10/0x10
[  287.830198][ T7335]  ? ns_capable+0x89/0xe0
[  287.830226][ T7335]  ? user_path_at+0xd4/0x160
[  287.830252][ T7335]  ? user_path_at+0xd4/0x160
[  287.830275][ T7335]  __se_sys_mount+0x31d/0x420
[  287.830301][ T7335]  ? __pfx___se_sys_mount+0x10/0x10
[  287.830327][ T7335]  ? __x64_sys_mount+0x20/0xc0
[  287.830347][ T7335]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.830366][ T7335]  do_syscall_64+0x15f/0xf80
[  287.830392][ T7335]  ? trace_irq_disable+0x3b/0x140
[  287.830418][ T7335]  ? clear_bhb_loop+0x40/0x90
[  287.830442][ T7335]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.830460][ T7335] RIP: 0033:0x7f34b340b30a
[  287.830478][ 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
[  287.830493][ T7335] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.830514][ T7335] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  287.830528][ T7335] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  287.830541][ T7335] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  287.830555][ T7335] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  287.830568][ T7335] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  287.830600][ T7335]  </TASK>
[  287.834312][ 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.
[  287.834332][ T7335] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.394355][ T7339] loop1: detected capacity change from 0 to 32768
[  288.407833][ T7339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.407855][ T7339] CPU: 0 UID: 0 PID: 7339 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  288.407878][ T7339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  288.407888][ T7339] Call Trace:
[  288.407896][ T7339]  <TASK>
[  288.407903][ T7339]  dump_stack_lvl+0xe8/0x150
[  288.407934][ T7339]  sysfs_create_dir_ns+0x271/0x2a0
[  288.407955][ T7339]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  288.407977][ T7339]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.408001][ T7339]  ? rt_spin_unlock+0x160/0x200
[  288.408032][ T7339]  kobject_add_internal+0x631/0xd10
[  288.408069][ T7339]  kobject_init_and_add+0x12b/0x1a0
[  288.408101][ T7339]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.408130][ T7339]  ? __raw_spin_lock_init+0x45/0x100
[  288.408157][ T7339]  ? __init_swait_queue_head+0xa9/0x150
[  288.408186][ T7339]  gfs2_sys_fs_add+0x257/0x480
[  288.408207][ T7339]  ? is_dynamic_key+0x1ac/0x1c0
[  288.408235][ T7339]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.408265][ T7339]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.408308][ T7339]  gfs2_fill_super+0x141c/0x2220
[  288.408349][ T7339]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.408373][ T7339]  ? rt_spin_unlock+0x14f/0x200
[  288.408398][ T7339]  ? sb_set_blocksize+0x11b/0x210
[  288.408427][ T7339]  ? setup_bdev_super+0x4c1/0x5b0
[  288.408457][ T7339]  get_tree_bdev_flags+0x431/0x4f0
[  288.408484][ T7339]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.408511][ T7339]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.408534][ T7339]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.408569][ T7339]  gfs2_get_tree+0x51/0x1e0
[  288.408598][ T7339]  vfs_get_tree+0x92/0x2a0
[  288.408626][ T7339]  do_new_mount+0x341/0xd30
[  288.408643][ T7339]  ? apparmor_capable+0x126/0x170
[  288.408677][ T7339]  ? __pfx_do_new_mount+0x10/0x10
[  288.408697][ T7339]  ? ns_capable+0x89/0xe0
[  288.408722][ T7339]  ? user_path_at+0xd4/0x160
[  288.408748][ T7339]  ? user_path_at+0xd4/0x160
[  288.408772][ T7339]  __se_sys_mount+0x31d/0x420
[  288.408798][ T7339]  ? __pfx___se_sys_mount+0x10/0x10
[  288.408824][ T7339]  ? __x64_sys_mount+0x20/0xc0
[  288.408843][ T7339]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.408865][ T7339]  do_syscall_64+0x15f/0xf80
[  288.408890][ T7339]  ? trace_irq_disable+0x3b/0x140
[  288.408914][ T7339]  ? clear_bhb_loop+0x40/0x90
[  288.408938][ T7339]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.408958][ T7339] RIP: 0033:0x7f34b340b30a
[  288.408977][ T7339] 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
[  288.408994][ T7339] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.409024][ T7339] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  288.409038][ T7339] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  288.409057][ T7339] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  288.409071][ T7339] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  288.409084][ T7339] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  288.409115][ T7339]  </TASK>
[  288.409201][ T7339] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.409217][ T7339] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.957964][ T7343] loop1: detected capacity change from 0 to 32768
[  288.965580][ T7343] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.965603][ T7343] CPU: 1 UID: 0 PID: 7343 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  288.965624][ T7343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  288.965636][ T7343] Call Trace:
[  288.965643][ T7343]  <TASK>
[  288.965652][ T7343]  dump_stack_lvl+0xe8/0x150
[  288.965680][ T7343]  sysfs_create_dir_ns+0x271/0x2a0
[  288.965698][ T7343]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  288.965722][ T7343]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.965746][ T7343]  ? rt_spin_unlock+0x160/0x200
[  288.965767][ T7343]  kobject_add_internal+0x631/0xd10
[  288.965806][ T7343]  kobject_init_and_add+0x12b/0x1a0
[  288.965839][ T7343]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.965867][ T7343]  ? __raw_spin_lock_init+0x45/0x100
[  288.965893][ T7343]  ? __init_swait_queue_head+0xa9/0x150
[  288.965922][ T7343]  gfs2_sys_fs_add+0x257/0x480
2026/04/28 14:13:52 executed programs: 191
[  288.965943][ T7343]  ? is_dynamic_key+0x1ac/0x1c0
[  288.965979][ T7343]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.966009][ T7343]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.966051][ T7343]  gfs2_fill_super+0x141c/0x2220
[  288.966092][ T7343]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.966117][ T7343]  ? rt_spin_unlock+0x14f/0x200
[  288.966141][ T7343]  ? sb_set_blocksize+0x11b/0x210
[  288.966169][ T7343]  ? setup_bdev_super+0x4c1/0x5b0
[  288.966197][ T7343]  get_tree_bdev_flags+0x431/0x4f0
[  288.966222][ T7343]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.966246][ T7343]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.966269][ T7343]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.966303][ T7343]  gfs2_get_tree+0x51/0x1e0
[  288.966331][ T7343]  vfs_get_tree+0x92/0x2a0
[  288.966357][ T7343]  do_new_mount+0x341/0xd30
[  288.966375][ T7343]  ? apparmor_capable+0x126/0x170
[  288.966407][ T7343]  ? __pfx_do_new_mount+0x10/0x10
[  288.966426][ T7343]  ? ns_capable+0x89/0xe0
[  288.966452][ T7343]  ? user_path_at+0xd4/0x160
[  288.966478][ T7343]  ? user_path_at+0xd4/0x160
[  288.966502][ T7343]  __se_sys_mount+0x31d/0x420
[  288.966527][ T7343]  ? __pfx___se_sys_mount+0x10/0x10
[  288.966552][ T7343]  ? __x64_sys_mount+0x20/0xc0
[  288.966570][ T7343]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.966591][ T7343]  do_syscall_64+0x15f/0xf80
[  288.966616][ T7343]  ? trace_irq_disable+0x3b/0x140
[  288.966640][ T7343]  ? clear_bhb_loop+0x40/0x90
[  288.966663][ T7343]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.966682][ T7343] RIP: 0033:0x7f34b340b30a
[  288.966701][ T7343] 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
[  288.966717][ T7343] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.966738][ T7343] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  288.966753][ T7343] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  288.966767][ T7343] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  288.966780][ T7343] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  288.966793][ T7343] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  288.966841][ T7343]  </TASK>
[  288.966921][ T7343] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.966937][ T7343] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.536600][ T7347] loop1: detected capacity change from 0 to 32768
[  289.558357][ T7347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.558373][ T7347] CPU: 0 UID: 0 PID: 7347 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  289.558385][ T7347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  289.558392][ T7347] Call Trace:
[  289.558397][ T7347]  <TASK>
[  289.558402][ T7347]  dump_stack_lvl+0xe8/0x150
[  289.558421][ T7347]  sysfs_create_dir_ns+0x271/0x2a0
[  289.558434][ T7347]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.558447][ T7347]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.558459][ T7347]  ? rt_spin_unlock+0x160/0x200
[  289.558471][ T7347]  kobject_add_internal+0x631/0xd10
[  289.558492][ T7347]  kobject_init_and_add+0x12b/0x1a0
[  289.558510][ T7347]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.558526][ T7347]  ? __raw_spin_lock_init+0x45/0x100
[  289.558541][ T7347]  ? __init_swait_queue_head+0xa9/0x150
[  289.558557][ T7347]  gfs2_sys_fs_add+0x257/0x480
[  289.558569][ T7347]  ? is_dynamic_key+0x1ac/0x1c0
[  289.558584][ T7347]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.558600][ T7347]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.558624][ T7347]  gfs2_fill_super+0x141c/0x2220
[  289.558647][ T7347]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.558660][ T7347]  ? rt_spin_unlock+0x14f/0x200
[  289.558673][ T7347]  ? sb_set_blocksize+0x11b/0x210
[  289.558690][ T7347]  ? setup_bdev_super+0x4c1/0x5b0
[  289.558705][ T7347]  get_tree_bdev_flags+0x431/0x4f0
[  289.558719][ T7347]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.558733][ T7347]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.558745][ T7347]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.558764][ T7347]  gfs2_get_tree+0x51/0x1e0
[  289.558780][ T7347]  vfs_get_tree+0x92/0x2a0
[  289.558795][ T7347]  do_new_mount+0x341/0xd30
[  289.558804][ T7347]  ? apparmor_capable+0x126/0x170
[  289.558823][ T7347]  ? __pfx_do_new_mount+0x10/0x10
[  289.558833][ T7347]  ? ns_capable+0x89/0xe0
[  289.558847][ T7347]  ? user_path_at+0xd4/0x160
[  289.558862][ T7347]  ? user_path_at+0xd4/0x160
[  289.558874][ T7347]  __se_sys_mount+0x31d/0x420
[  289.558888][ T7347]  ? __pfx___se_sys_mount+0x10/0x10
[  289.558901][ T7347]  ? __x64_sys_mount+0x20/0xc0
[  289.558911][ T7347]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.558929][ T7347]  do_syscall_64+0x15f/0xf80
[  289.558943][ T7347]  ? trace_irq_disable+0x3b/0x140
[  289.558957][ T7347]  ? clear_bhb_loop+0x40/0x90
[  289.558970][ T7347]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.558981][ T7347] RIP: 0033:0x7f34b340b30a
[  289.558992][ T7347] 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
[  289.559001][ T7347] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.559013][ T7347] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  289.559021][ T7347] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  289.559029][ T7347] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  289.559036][ T7347] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  289.559043][ T7347] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  289.559059][ T7347]  </TASK>
[  289.559074][ T7347] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.559082][ T7347] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.110022][ T7351] loop1: detected capacity change from 0 to 32768
[  290.132104][ T7351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.132125][ T7351] CPU: 0 UID: 0 PID: 7351 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  290.132147][ T7351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  290.132158][ T7351] Call Trace:
[  290.132166][ T7351]  <TASK>
[  290.132174][ T7351]  dump_stack_lvl+0xe8/0x150
[  290.132207][ T7351]  sysfs_create_dir_ns+0x271/0x2a0
[  290.132229][ T7351]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  290.132253][ T7351]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.132282][ T7351]  ? rt_spin_unlock+0x160/0x200
[  290.132304][ T7351]  kobject_add_internal+0x631/0xd10
[  290.132341][ T7351]  kobject_init_and_add+0x12b/0x1a0
[  290.132374][ T7351]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.132404][ T7351]  ? __raw_spin_lock_init+0x45/0x100
[  290.132431][ T7351]  ? __init_swait_queue_head+0xa9/0x150
[  290.132462][ T7351]  gfs2_sys_fs_add+0x257/0x480
[  290.132484][ T7351]  ? is_dynamic_key+0x1ac/0x1c0
[  290.132511][ T7351]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.132541][ T7351]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.132585][ T7351]  gfs2_fill_super+0x141c/0x2220
[  290.132629][ T7351]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.132656][ T7351]  ? rt_spin_unlock+0x14f/0x200
[  290.132680][ T7351]  ? sb_set_blocksize+0x11b/0x210
[  290.132719][ T7351]  ? setup_bdev_super+0x4c1/0x5b0
[  290.132747][ T7351]  get_tree_bdev_flags+0x431/0x4f0
[  290.132773][ T7351]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.132801][ T7351]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.132825][ T7351]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.132867][ T7351]  gfs2_get_tree+0x51/0x1e0
[  290.132897][ T7351]  vfs_get_tree+0x92/0x2a0
[  290.132925][ T7351]  do_new_mount+0x341/0xd30
[  290.132944][ T7351]  ? apparmor_capable+0x126/0x170
[  290.132977][ T7351]  ? __pfx_do_new_mount+0x10/0x10
[  290.132996][ T7351]  ? ns_capable+0x89/0xe0
[  290.133024][ T7351]  ? user_path_at+0xd4/0x160
[  290.133051][ T7351]  ? user_path_at+0xd4/0x160
[  290.133076][ T7351]  __se_sys_mount+0x31d/0x420
[  290.133103][ T7351]  ? __pfx___se_sys_mount+0x10/0x10
[  290.133129][ T7351]  ? __x64_sys_mount+0x20/0xc0
[  290.133148][ T7351]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.133169][ T7351]  do_syscall_64+0x15f/0xf80
[  290.133193][ T7351]  ? trace_irq_disable+0x3b/0x140
[  290.133217][ T7351]  ? clear_bhb_loop+0x40/0x90
[  290.133240][ T7351]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.133264][ T7351] RIP: 0033:0x7f34b340b30a
[  290.133282][ T7351] 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
[  290.133298][ T7351] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.133318][ T7351] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  290.133333][ T7351] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  290.133348][ T7351] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  290.133362][ T7351] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  290.133373][ T7351] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  290.133389][ T7351]  </TASK>
[  290.133548][ T7351] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.133565][ T7351] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.694892][ T7355] loop1: detected capacity change from 0 to 32768
[  290.697829][ T7355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.697850][ T7355] CPU: 1 UID: 0 PID: 7355 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  290.697871][ T7355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  290.697883][ T7355] Call Trace:
[  290.697891][ T7355]  <TASK>
[  290.697899][ T7355]  dump_stack_lvl+0xe8/0x150
[  290.697929][ T7355]  sysfs_create_dir_ns+0x271/0x2a0
[  290.697951][ T7355]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  290.697974][ T7355]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.697997][ T7355]  ? rt_spin_unlock+0x160/0x200
[  290.698018][ T7355]  kobject_add_internal+0x631/0xd10
[  290.698057][ T7355]  kobject_init_and_add+0x12b/0x1a0
[  290.698091][ T7355]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.698120][ T7355]  ? __raw_spin_lock_init+0x45/0x100
[  290.698149][ T7355]  ? __init_swait_queue_head+0xa9/0x150
[  290.698179][ T7355]  gfs2_sys_fs_add+0x257/0x480
[  290.698201][ T7355]  ? is_dynamic_key+0x1ac/0x1c0
[  290.698230][ T7355]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.698261][ T7355]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.698304][ T7355]  gfs2_fill_super+0x141c/0x2220
[  290.698347][ T7355]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.698373][ T7355]  ? rt_spin_unlock+0x14f/0x200
[  290.698397][ T7355]  ? sb_set_blocksize+0x11b/0x210
[  290.698425][ T7355]  ? setup_bdev_super+0x4c1/0x5b0
[  290.698454][ T7355]  get_tree_bdev_flags+0x431/0x4f0
[  290.698479][ T7355]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.698506][ T7355]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.698529][ T7355]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.698564][ T7355]  gfs2_get_tree+0x51/0x1e0
[  290.698594][ T7355]  vfs_get_tree+0x92/0x2a0
[  290.698620][ T7355]  do_new_mount+0x341/0xd30
[  290.698638][ T7355]  ? apparmor_capable+0x126/0x170
[  290.698673][ T7355]  ? __pfx_do_new_mount+0x10/0x10
[  290.698693][ T7355]  ? ns_capable+0x89/0xe0
[  290.698719][ T7355]  ? user_path_at+0xd4/0x160
[  290.698745][ T7355]  ? user_path_at+0xd4/0x160
[  290.698769][ T7355]  __se_sys_mount+0x31d/0x420
[  290.698804][ T7355]  ? __pfx___se_sys_mount+0x10/0x10
[  290.698831][ T7355]  ? __x64_sys_mount+0x20/0xc0
[  290.698850][ T7355]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.698872][ T7355]  do_syscall_64+0x15f/0xf80
[  290.698898][ T7355]  ? trace_irq_disable+0x3b/0x140
[  290.698921][ T7355]  ? clear_bhb_loop+0x40/0x90
[  290.698946][ T7355]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.698965][ T7355] RIP: 0033:0x7f34b340b30a
[  290.698983][ 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
[  290.699000][ T7355] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.699020][ T7355] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  290.699035][ T7355] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  290.699049][ T7355] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  290.699063][ T7355] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  290.699076][ T7355] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  290.699107][ T7355]  </TASK>
[  290.699187][ 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.
[  290.699204][ T7355] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.262349][ T7359] loop1: detected capacity change from 0 to 32768
[  291.265315][ T7359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.265335][ T7359] CPU: 1 UID: 0 PID: 7359 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  291.265357][ T7359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  291.265369][ T7359] Call Trace:
[  291.265377][ T7359]  <TASK>
[  291.265385][ T7359]  dump_stack_lvl+0xe8/0x150
[  291.265416][ T7359]  sysfs_create_dir_ns+0x271/0x2a0
[  291.265437][ T7359]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.265463][ T7359]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.265486][ T7359]  ? rt_spin_unlock+0x160/0x200
[  291.265509][ T7359]  kobject_add_internal+0x631/0xd10
[  291.265543][ T7359]  kobject_init_and_add+0x12b/0x1a0
[  291.265576][ T7359]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.265604][ T7359]  ? __raw_spin_lock_init+0x45/0x100
[  291.265631][ T7359]  ? __init_swait_queue_head+0xa9/0x150
[  291.265659][ T7359]  gfs2_sys_fs_add+0x257/0x480
[  291.265680][ T7359]  ? is_dynamic_key+0x1ac/0x1c0
[  291.265708][ T7359]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.265747][ T7359]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.265791][ T7359]  gfs2_fill_super+0x141c/0x2220
[  291.265834][ T7359]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.265859][ T7359]  ? rt_spin_unlock+0x14f/0x200
[  291.265885][ T7359]  ? sb_set_blocksize+0x11b/0x210
[  291.265915][ T7359]  ? setup_bdev_super+0x4c1/0x5b0
[  291.265943][ T7359]  get_tree_bdev_flags+0x431/0x4f0
[  291.265969][ T7359]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.265995][ T7359]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.266018][ T7359]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.266054][ T7359]  gfs2_get_tree+0x51/0x1e0
[  291.266083][ T7359]  vfs_get_tree+0x92/0x2a0
[  291.266108][ T7359]  do_new_mount+0x341/0xd30
[  291.266126][ T7359]  ? apparmor_capable+0x126/0x170
[  291.266158][ T7359]  ? __pfx_do_new_mount+0x10/0x10
[  291.266177][ T7359]  ? ns_capable+0x89/0xe0
[  291.266204][ T7359]  ? user_path_at+0xd4/0x160
[  291.266230][ T7359]  ? user_path_at+0xd4/0x160
[  291.266253][ T7359]  __se_sys_mount+0x31d/0x420
[  291.266279][ T7359]  ? __pfx___se_sys_mount+0x10/0x10
[  291.266304][ T7359]  ? __x64_sys_mount+0x20/0xc0
[  291.266323][ T7359]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.266344][ T7359]  do_syscall_64+0x15f/0xf80
[  291.266370][ T7359]  ? trace_irq_disable+0x3b/0x140
[  291.266396][ T7359]  ? clear_bhb_loop+0x40/0x90
[  291.266420][ T7359]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.266441][ T7359] RIP: 0033:0x7f34b340b30a
[  291.266460][ T7359] 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
[  291.266477][ T7359] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.266499][ T7359] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  291.266514][ T7359] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  291.266528][ T7359] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  291.266542][ T7359] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  291.266556][ T7359] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  291.266604][ T7359]  </TASK>
[  291.266690][ T7359] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.266706][ T7359] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.854531][ T7363] loop1: detected capacity change from 0 to 32768
[  291.870180][ T7363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.870201][ T7363] CPU: 1 UID: 0 PID: 7363 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  291.870228][ T7363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  291.870240][ T7363] Call Trace:
[  291.870248][ T7363]  <TASK>
[  291.870257][ T7363]  dump_stack_lvl+0xe8/0x150
[  291.870289][ T7363]  sysfs_create_dir_ns+0x271/0x2a0
[  291.870310][ T7363]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.870333][ T7363]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.870356][ T7363]  ? rt_spin_unlock+0x160/0x200
[  291.870379][ T7363]  kobject_add_internal+0x631/0xd10
[  291.870416][ T7363]  kobject_init_and_add+0x12b/0x1a0
[  291.870448][ T7363]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.870476][ T7363]  ? __raw_spin_lock_init+0x45/0x100
[  291.870502][ T7363]  ? __init_swait_queue_head+0xa9/0x150
[  291.870531][ T7363]  gfs2_sys_fs_add+0x257/0x480
[  291.870551][ T7363]  ? is_dynamic_key+0x1ac/0x1c0
[  291.870580][ T7363]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.870610][ T7363]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.870654][ T7363]  gfs2_fill_super+0x141c/0x2220
[  291.870696][ T7363]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.870721][ T7363]  ? rt_spin_unlock+0x14f/0x200
[  291.870745][ T7363]  ? sb_set_blocksize+0x11b/0x210
[  291.870774][ T7363]  ? setup_bdev_super+0x4c1/0x5b0
[  291.870803][ T7363]  get_tree_bdev_flags+0x431/0x4f0
[  291.870826][ T7363]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.870851][ T7363]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.870874][ T7363]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.870908][ T7363]  gfs2_get_tree+0x51/0x1e0
[  291.870938][ T7363]  vfs_get_tree+0x92/0x2a0
[  291.870973][ T7363]  do_new_mount+0x341/0xd30
[  291.870991][ T7363]  ? apparmor_capable+0x126/0x170
[  291.871027][ T7363]  ? __pfx_do_new_mount+0x10/0x10
[  291.871047][ T7363]  ? ns_capable+0x89/0xe0
[  291.871075][ T7363]  ? user_path_at+0xd4/0x160
[  291.871101][ T7363]  ? user_path_at+0xd4/0x160
[  291.871126][ T7363]  __se_sys_mount+0x31d/0x420
[  291.871176][ T7363]  ? __pfx___se_sys_mount+0x10/0x10
[  291.871202][ T7363]  ? __x64_sys_mount+0x20/0xc0
[  291.871222][ T7363]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.871243][ T7363]  do_syscall_64+0x15f/0xf80
[  291.871269][ T7363]  ? trace_irq_disable+0x3b/0x140
[  291.871294][ T7363]  ? clear_bhb_loop+0x40/0x90
[  291.871319][ T7363]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.871339][ T7363] RIP: 0033:0x7f34b340b30a
[  291.871358][ T7363] 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
[  291.871375][ T7363] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.871395][ T7363] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  291.871410][ T7363] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  291.871425][ T7363] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  291.871439][ T7363] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  291.871453][ T7363] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  291.871484][ T7363]  </TASK>
[  291.910831][ T7363] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.910853][ T7363] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.441218][ T7367] loop1: detected capacity change from 0 to 32768
[  292.459060][ T7367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.459082][ T7367] CPU: 1 UID: 0 PID: 7367 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  292.459105][ T7367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  292.459116][ T7367] Call Trace:
[  292.459124][ T7367]  <TASK>
[  292.459132][ T7367]  dump_stack_lvl+0xe8/0x150
[  292.459163][ T7367]  sysfs_create_dir_ns+0x271/0x2a0
[  292.459184][ T7367]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  292.459207][ T7367]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.459230][ T7367]  ? rt_spin_unlock+0x160/0x200
[  292.459253][ T7367]  kobject_add_internal+0x631/0xd10
[  292.459290][ T7367]  kobject_init_and_add+0x12b/0x1a0
[  292.459324][ T7367]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.459353][ T7367]  ? __raw_spin_lock_init+0x45/0x100
[  292.459380][ T7367]  ? __init_swait_queue_head+0xa9/0x150
[  292.459410][ T7367]  gfs2_sys_fs_add+0x257/0x480
[  292.459432][ T7367]  ? is_dynamic_key+0x1ac/0x1c0
[  292.459459][ T7367]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.459495][ T7367]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.459539][ T7367]  gfs2_fill_super+0x141c/0x2220
[  292.459579][ T7367]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.459613][ T7367]  ? rt_spin_unlock+0x14f/0x200
[  292.459639][ T7367]  ? sb_set_blocksize+0x11b/0x210
[  292.459669][ T7367]  ? setup_bdev_super+0x4c1/0x5b0
[  292.459698][ T7367]  get_tree_bdev_flags+0x431/0x4f0
[  292.459725][ T7367]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.459750][ T7367]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.459774][ T7367]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.459809][ T7367]  gfs2_get_tree+0x51/0x1e0
[  292.459838][ T7367]  vfs_get_tree+0x92/0x2a0
[  292.459864][ T7367]  do_new_mount+0x341/0xd30
[  292.459882][ T7367]  ? apparmor_capable+0x126/0x170
[  292.459916][ T7367]  ? __pfx_do_new_mount+0x10/0x10
[  292.459935][ T7367]  ? ns_capable+0x89/0xe0
[  292.459962][ T7367]  ? user_path_at+0xd4/0x160
[  292.459988][ T7367]  ? user_path_at+0xd4/0x160
[  292.460012][ T7367]  __se_sys_mount+0x31d/0x420
[  292.460036][ T7367]  ? __pfx___se_sys_mount+0x10/0x10
[  292.460062][ T7367]  ? __x64_sys_mount+0x20/0xc0
[  292.460080][ T7367]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.460102][ T7367]  do_syscall_64+0x15f/0xf80
[  292.460128][ T7367]  ? trace_irq_disable+0x3b/0x140
[  292.460154][ T7367]  ? clear_bhb_loop+0x40/0x90
[  292.460178][ T7367]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.460197][ T7367] RIP: 0033:0x7f34b340b30a
[  292.460217][ T7367] 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
[  292.460234][ T7367] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.460254][ T7367] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  292.460269][ T7367] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  292.460283][ T7367] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  292.460297][ T7367] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  292.460310][ T7367] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  292.460341][ T7367]  </TASK>
[  292.470660][ T7367] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.470682][ T7367] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.022449][ T7371] loop1: detected capacity change from 0 to 32768
[  293.038326][ T7371] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.038348][ T7371] CPU: 0 UID: 0 PID: 7371 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  293.038370][ T7371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  293.038382][ T7371] Call Trace:
[  293.038389][ T7371]  <TASK>
[  293.038397][ T7371]  dump_stack_lvl+0xe8/0x150
[  293.038427][ T7371]  sysfs_create_dir_ns+0x271/0x2a0
[  293.038448][ T7371]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  293.038472][ T7371]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.038495][ T7371]  ? rt_spin_unlock+0x160/0x200
[  293.038517][ T7371]  kobject_add_internal+0x631/0xd10
[  293.038552][ T7371]  kobject_init_and_add+0x12b/0x1a0
[  293.038583][ T7371]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.038611][ T7371]  ? __raw_spin_lock_init+0x45/0x100
[  293.038638][ T7371]  ? __init_swait_queue_head+0xa9/0x150
[  293.038667][ T7371]  gfs2_sys_fs_add+0x257/0x480
[  293.038687][ T7371]  ? is_dynamic_key+0x1ac/0x1c0
[  293.038716][ T7371]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.038744][ T7371]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.038787][ T7371]  gfs2_fill_super+0x141c/0x2220
[  293.038830][ T7371]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.038860][ T7371]  ? rt_spin_unlock+0x14f/0x200
[  293.038885][ T7371]  ? sb_set_blocksize+0x11b/0x210
[  293.038915][ T7371]  ? setup_bdev_super+0x4c1/0x5b0
[  293.038943][ T7371]  get_tree_bdev_flags+0x431/0x4f0
[  293.038968][ T7371]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.038995][ T7371]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.039018][ T7371]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.039053][ T7371]  gfs2_get_tree+0x51/0x1e0
[  293.039082][ T7371]  vfs_get_tree+0x92/0x2a0
[  293.039109][ T7371]  do_new_mount+0x341/0xd30
[  293.039126][ T7371]  ? apparmor_capable+0x126/0x170
[  293.039160][ T7371]  ? __pfx_do_new_mount+0x10/0x10
[  293.039178][ T7371]  ? ns_capable+0x89/0xe0
[  293.039205][ T7371]  ? user_path_at+0xd4/0x160
[  293.039230][ T7371]  ? user_path_at+0xd4/0x160
[  293.039254][ T7371]  __se_sys_mount+0x31d/0x420
[  293.039279][ T7371]  ? __pfx___se_sys_mount+0x10/0x10
[  293.039305][ T7371]  ? __x64_sys_mount+0x20/0xc0
[  293.039324][ T7371]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.039345][ T7371]  do_syscall_64+0x15f/0xf80
[  293.039369][ T7371]  ? trace_irq_disable+0x3b/0x140
[  293.039394][ T7371]  ? clear_bhb_loop+0x40/0x90
[  293.039417][ T7371]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.039436][ T7371] RIP: 0033:0x7f34b340b30a
[  293.039455][ T7371] 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
[  293.039472][ T7371] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.039492][ T7371] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  293.039507][ T7371] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  293.039521][ T7371] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  293.039535][ T7371] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  293.039548][ T7371] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  293.039581][ T7371]  </TASK>
[  293.044260][ T7371] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.044280][ T7371] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.588727][ T7375] loop1: detected capacity change from 0 to 32768
[  293.599608][ T7375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.599629][ T7375] CPU: 1 UID: 0 PID: 7375 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  293.599651][ T7375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  293.599663][ T7375] Call Trace:
[  293.599671][ T7375]  <TASK>
[  293.599679][ T7375]  dump_stack_lvl+0xe8/0x150
[  293.599711][ T7375]  sysfs_create_dir_ns+0x271/0x2a0
[  293.599732][ T7375]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  293.599766][ T7375]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.599789][ T7375]  ? rt_spin_unlock+0x160/0x200
[  293.599813][ T7375]  kobject_add_internal+0x631/0xd10
[  293.599855][ T7375]  kobject_init_and_add+0x12b/0x1a0
[  293.599889][ T7375]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.599919][ T7375]  ? __raw_spin_lock_init+0x45/0x100
[  293.599946][ T7375]  ? __init_swait_queue_head+0xa9/0x150
[  293.599976][ T7375]  gfs2_sys_fs_add+0x257/0x480
[  293.599998][ T7375]  ? is_dynamic_key+0x1ac/0x1c0
[  293.600028][ T7375]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.600059][ T7375]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.600102][ T7375]  gfs2_fill_super+0x141c/0x2220
[  293.600146][ T7375]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.600172][ T7375]  ? rt_spin_unlock+0x14f/0x200
[  293.600198][ T7375]  ? sb_set_blocksize+0x11b/0x210
[  293.600225][ T7375]  ? setup_bdev_super+0x4c1/0x5b0
[  293.600255][ T7375]  get_tree_bdev_flags+0x431/0x4f0
[  293.600281][ T7375]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.600305][ T7375]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.600326][ T7375]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.600359][ T7375]  gfs2_get_tree+0x51/0x1e0
[  293.600387][ T7375]  vfs_get_tree+0x92/0x2a0
[  293.600415][ T7375]  do_new_mount+0x341/0xd30
[  293.600432][ T7375]  ? apparmor_capable+0x126/0x170
[  293.600462][ T7375]  ? __pfx_do_new_mount+0x10/0x10
[  293.600481][ T7375]  ? ns_capable+0x89/0xe0
[  293.600506][ T7375]  ? user_path_at+0xd4/0x160
[  293.600532][ T7375]  ? user_path_at+0xd4/0x160
[  293.600555][ T7375]  __se_sys_mount+0x31d/0x420
[  293.600580][ T7375]  ? __pfx___se_sys_mount+0x10/0x10
[  293.600606][ T7375]  ? __x64_sys_mount+0x20/0xc0
[  293.600626][ T7375]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.600648][ T7375]  do_syscall_64+0x15f/0xf80
[  293.600673][ T7375]  ? trace_irq_disable+0x3b/0x140
[  293.600700][ T7375]  ? clear_bhb_loop+0x40/0x90
[  293.600725][ T7375]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.600753][ T7375] RIP: 0033:0x7f34b340b30a
[  293.600772][ 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
[  293.600790][ T7375] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.600812][ T7375] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  293.600827][ T7375] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  293.600840][ T7375] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  293.600853][ T7375] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  293.600866][ T7375] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  293.600894][ T7375]  </TASK>
[  293.661900][ 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.
[  293.661922][ T7375] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.193672][ T7379] loop1: detected capacity change from 0 to 32768
[  294.209686][ T7379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.209707][ T7379] CPU: 0 UID: 0 PID: 7379 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  294.209728][ T7379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  294.209741][ T7379] Call Trace:
[  294.209748][ T7379]  <TASK>
[  294.209757][ T7379]  dump_stack_lvl+0xe8/0x150
[  294.209798][ T7379]  sysfs_create_dir_ns+0x271/0x2a0
[  294.209820][ T7379]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  294.209843][ T7379]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  294.209866][ T7379]  ? rt_spin_unlock+0x160/0x200
[  294.209890][ T7379]  kobject_add_internal+0x631/0xd10
[  294.209929][ T7379]  kobject_init_and_add+0x12b/0x1a0
[  294.209961][ T7379]  ? __pfx_kobject_init_and_add+0x10/0x10
[  294.209991][ T7379]  ? __raw_spin_lock_init+0x45/0x100
2026/04/28 14:13:58 executed programs: 200
[  294.210018][ T7379]  ? __init_swait_queue_head+0xa9/0x150
[  294.210047][ T7379]  gfs2_sys_fs_add+0x257/0x480
[  294.210073][ T7379]  ? is_dynamic_key+0x1ac/0x1c0
[  294.210100][ T7379]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  294.210130][ T7379]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  294.210172][ T7379]  gfs2_fill_super+0x141c/0x2220
[  294.210216][ T7379]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.210241][ T7379]  ? rt_spin_unlock+0x14f/0x200
[  294.210265][ T7379]  ? sb_set_blocksize+0x11b/0x210
[  294.210296][ T7379]  ? setup_bdev_super+0x4c1/0x5b0
[  294.210325][ T7379]  get_tree_bdev_flags+0x431/0x4f0
[  294.210349][ T7379]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.210374][ T7379]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.210396][ T7379]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.210430][ T7379]  gfs2_get_tree+0x51/0x1e0
[  294.210457][ T7379]  vfs_get_tree+0x92/0x2a0
[  294.210482][ T7379]  do_new_mount+0x341/0xd30
[  294.210500][ T7379]  ? apparmor_capable+0x126/0x170
[  294.210535][ T7379]  ? __pfx_do_new_mount+0x10/0x10
[  294.210553][ T7379]  ? ns_capable+0x89/0xe0
[  294.210581][ T7379]  ? user_path_at+0xd4/0x160
[  294.210606][ T7379]  ? user_path_at+0xd4/0x160
[  294.210632][ T7379]  __se_sys_mount+0x31d/0x420
[  294.210658][ T7379]  ? __pfx___se_sys_mount+0x10/0x10
[  294.210685][ T7379]  ? __x64_sys_mount+0x20/0xc0
[  294.210704][ T7379]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.210726][ T7379]  do_syscall_64+0x15f/0xf80
[  294.210750][ T7379]  ? trace_irq_disable+0x3b/0x140
[  294.210780][ T7379]  ? clear_bhb_loop+0x40/0x90
[  294.210804][ T7379]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.210824][ T7379] RIP: 0033:0x7f34b340b30a
[  294.210842][ T7379] 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
[  294.210859][ T7379] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.210877][ T7379] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  294.210891][ T7379] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  294.210904][ T7379] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  294.210918][ T7379] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  294.210932][ T7379] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  294.210963][ T7379]  </TASK>
[  294.213653][ T7379] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.213671][ T7379] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.754629][ T7383] loop1: detected capacity change from 0 to 32768
[  294.778650][ T7383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.778674][ T7383] CPU: 1 UID: 0 PID: 7383 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  294.778694][ T7383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  294.778706][ T7383] Call Trace:
[  294.778715][ T7383]  <TASK>
[  294.778723][ T7383]  dump_stack_lvl+0xe8/0x150
[  294.778756][ T7383]  sysfs_create_dir_ns+0x271/0x2a0
[  294.778778][ T7383]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  294.778802][ T7383]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  294.778826][ T7383]  ? rt_spin_unlock+0x160/0x200
[  294.778850][ T7383]  kobject_add_internal+0x631/0xd10
[  294.778887][ T7383]  kobject_init_and_add+0x12b/0x1a0
[  294.778921][ T7383]  ? __pfx_kobject_init_and_add+0x10/0x10
[  294.778950][ T7383]  ? __raw_spin_lock_init+0x45/0x100
[  294.778979][ T7383]  ? __init_swait_queue_head+0xa9/0x150
[  294.779010][ T7383]  gfs2_sys_fs_add+0x257/0x480
[  294.779035][ T7383]  ? is_dynamic_key+0x1ac/0x1c0
[  294.779064][ T7383]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  294.779094][ T7383]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  294.779139][ T7383]  gfs2_fill_super+0x141c/0x2220
[  294.779181][ T7383]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.779206][ T7383]  ? rt_spin_unlock+0x14f/0x200
[  294.779230][ T7383]  ? sb_set_blocksize+0x11b/0x210
[  294.779261][ T7383]  ? setup_bdev_super+0x4c1/0x5b0
[  294.779290][ T7383]  get_tree_bdev_flags+0x431/0x4f0
[  294.779317][ T7383]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.779345][ T7383]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.779369][ T7383]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.779402][ T7383]  gfs2_get_tree+0x51/0x1e0
[  294.779432][ T7383]  vfs_get_tree+0x92/0x2a0
[  294.779460][ T7383]  do_new_mount+0x341/0xd30
[  294.779478][ T7383]  ? apparmor_capable+0x126/0x170
[  294.779514][ T7383]  ? __pfx_do_new_mount+0x10/0x10
[  294.779533][ T7383]  ? ns_capable+0x89/0xe0
[  294.779561][ T7383]  ? user_path_at+0xd4/0x160
[  294.779587][ T7383]  ? user_path_at+0xd4/0x160
[  294.779609][ T7383]  __se_sys_mount+0x31d/0x420
[  294.779633][ T7383]  ? __pfx___se_sys_mount+0x10/0x10
[  294.779666][ T7383]  ? __x64_sys_mount+0x20/0xc0
[  294.779686][ T7383]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.779708][ T7383]  do_syscall_64+0x15f/0xf80
[  294.779735][ T7383]  ? trace_irq_disable+0x3b/0x140
[  294.779762][ T7383]  ? clear_bhb_loop+0x40/0x90
[  294.779786][ T7383]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.779805][ T7383] RIP: 0033:0x7f34b340b30a
[  294.779825][ T7383] 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
[  294.779842][ T7383] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.779863][ T7383] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  294.779878][ T7383] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  294.779892][ T7383] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  294.779906][ T7383] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  294.779920][ T7383] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  294.779951][ T7383]  </TASK>
[  294.779990][ T7383] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.780006][ T7383] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.342694][ T7387] loop1: detected capacity change from 0 to 32768
[  295.355807][ T7387] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.355828][ T7387] CPU: 1 UID: 0 PID: 7387 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  295.355849][ T7387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  295.355861][ T7387] Call Trace:
[  295.355870][ T7387]  <TASK>
[  295.355878][ T7387]  dump_stack_lvl+0xe8/0x150
[  295.355909][ T7387]  sysfs_create_dir_ns+0x271/0x2a0
[  295.355930][ T7387]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  295.355953][ T7387]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.355976][ T7387]  ? rt_spin_unlock+0x160/0x200
[  295.355999][ T7387]  kobject_add_internal+0x631/0xd10
[  295.356035][ T7387]  kobject_init_and_add+0x12b/0x1a0
[  295.356067][ T7387]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.356096][ T7387]  ? __raw_spin_lock_init+0x45/0x100
[  295.356122][ T7387]  ? __init_swait_queue_head+0xa9/0x150
[  295.356149][ T7387]  gfs2_sys_fs_add+0x257/0x480
[  295.356169][ T7387]  ? is_dynamic_key+0x1ac/0x1c0
[  295.356198][ T7387]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.356226][ T7387]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.356267][ T7387]  gfs2_fill_super+0x141c/0x2220
[  295.356406][ T7387]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.356431][ T7387]  ? rt_spin_unlock+0x14f/0x200
[  295.356455][ T7387]  ? sb_set_blocksize+0x11b/0x210
[  295.356483][ T7387]  ? setup_bdev_super+0x4c1/0x5b0
[  295.356512][ T7387]  get_tree_bdev_flags+0x431/0x4f0
[  295.356537][ T7387]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.356562][ T7387]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.356584][ T7387]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.356618][ T7387]  gfs2_get_tree+0x51/0x1e0
[  295.356647][ T7387]  vfs_get_tree+0x92/0x2a0
[  295.356674][ T7387]  do_new_mount+0x341/0xd30
[  295.356692][ T7387]  ? apparmor_capable+0x126/0x170
[  295.356725][ T7387]  ? __pfx_do_new_mount+0x10/0x10
[  295.356744][ T7387]  ? ns_capable+0x89/0xe0
[  295.356769][ T7387]  ? user_path_at+0xd4/0x160
[  295.356795][ T7387]  ? user_path_at+0xd4/0x160
[  295.356819][ T7387]  __se_sys_mount+0x31d/0x420
[  295.356844][ T7387]  ? __pfx___se_sys_mount+0x10/0x10
[  295.356869][ T7387]  ? __x64_sys_mount+0x20/0xc0
[  295.356887][ T7387]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.356908][ T7387]  do_syscall_64+0x15f/0xf80
[  295.356932][ T7387]  ? trace_irq_disable+0x3b/0x140
[  295.356957][ T7387]  ? clear_bhb_loop+0x40/0x90
[  295.356980][ T7387]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.356999][ T7387] RIP: 0033:0x7f34b340b30a
[  295.357018][ T7387] 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
[  295.357034][ T7387] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.357055][ T7387] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  295.357069][ T7387] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  295.357082][ T7387] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  295.357096][ T7387] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  295.357109][ T7387] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  295.357140][ T7387]  </TASK>
[  295.358708][ T7387] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.358726][ T7387] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.922681][ T7391] loop1: detected capacity change from 0 to 32768
[  295.936613][ T7391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.936628][ T7391] CPU: 0 UID: 0 PID: 7391 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  295.936640][ T7391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  295.936647][ T7391] Call Trace:
[  295.936652][ T7391]  <TASK>
[  295.936656][ T7391]  dump_stack_lvl+0xe8/0x150
[  295.936675][ T7391]  sysfs_create_dir_ns+0x271/0x2a0
[  295.936687][ T7391]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  295.936700][ T7391]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.936712][ T7391]  ? rt_spin_unlock+0x160/0x200
[  295.936724][ T7391]  kobject_add_internal+0x631/0xd10
[  295.936744][ T7391]  kobject_init_and_add+0x12b/0x1a0
[  295.936762][ T7391]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.936778][ T7391]  ? __raw_spin_lock_init+0x45/0x100
[  295.936794][ T7391]  ? __init_swait_queue_head+0xa9/0x150
[  295.936810][ T7391]  gfs2_sys_fs_add+0x257/0x480
[  295.936822][ T7391]  ? is_dynamic_key+0x1ac/0x1c0
[  295.936838][ T7391]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.936853][ T7391]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.936877][ T7391]  gfs2_fill_super+0x141c/0x2220
[  295.936900][ T7391]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.936913][ T7391]  ? rt_spin_unlock+0x14f/0x200
[  295.936926][ T7391]  ? sb_set_blocksize+0x11b/0x210
[  295.936942][ T7391]  ? setup_bdev_super+0x4c1/0x5b0
[  295.936957][ T7391]  get_tree_bdev_flags+0x431/0x4f0
[  295.936971][ T7391]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.936986][ T7391]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.936998][ T7391]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.937017][ T7391]  gfs2_get_tree+0x51/0x1e0
[  295.937033][ T7391]  vfs_get_tree+0x92/0x2a0
[  295.937047][ T7391]  do_new_mount+0x341/0xd30
[  295.937057][ T7391]  ? apparmor_capable+0x126/0x170
[  295.937075][ T7391]  ? __pfx_do_new_mount+0x10/0x10
[  295.937085][ T7391]  ? ns_capable+0x89/0xe0
[  295.937100][ T7391]  ? user_path_at+0xd4/0x160
[  295.937113][ T7391]  ? user_path_at+0xd4/0x160
[  295.937126][ T7391]  __se_sys_mount+0x31d/0x420
[  295.937140][ T7391]  ? __pfx___se_sys_mount+0x10/0x10
[  295.937153][ T7391]  ? __x64_sys_mount+0x20/0xc0
[  295.937163][ T7391]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.937174][ T7391]  do_syscall_64+0x15f/0xf80
[  295.937187][ T7391]  ? trace_irq_disable+0x3b/0x140
[  295.937202][ T7391]  ? clear_bhb_loop+0x40/0x90
[  295.937214][ T7391]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.937225][ T7391] RIP: 0033:0x7f34b340b30a
[  295.937236][ 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
[  295.937245][ T7391] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.937257][ T7391] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  295.937264][ T7391] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  295.937277][ T7391] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  295.937285][ T7391] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  295.937292][ T7391] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  295.937308][ T7391]  </TASK>
[  295.937322][ 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.
[  295.937331][ T7391] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.491020][ T7395] loop1: detected capacity change from 0 to 32768
[  296.514582][ T7395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.514604][ T7395] CPU: 1 UID: 0 PID: 7395 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  296.514626][ T7395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  296.514638][ T7395] Call Trace:
[  296.514647][ T7395]  <TASK>
[  296.514655][ T7395]  dump_stack_lvl+0xe8/0x150
[  296.514687][ T7395]  sysfs_create_dir_ns+0x271/0x2a0
[  296.514710][ T7395]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  296.514733][ T7395]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  296.514756][ T7395]  ? rt_spin_unlock+0x160/0x200
[  296.514779][ T7395]  kobject_add_internal+0x631/0xd10
[  296.514814][ T7395]  kobject_init_and_add+0x12b/0x1a0
[  296.514847][ T7395]  ? __pfx_kobject_init_and_add+0x10/0x10
[  296.514876][ T7395]  ? __raw_spin_lock_init+0x45/0x100
[  296.514904][ T7395]  ? __init_swait_queue_head+0xa9/0x150
[  296.514932][ T7395]  gfs2_sys_fs_add+0x257/0x480
[  296.514946][ T7395]  ? is_dynamic_key+0x1ac/0x1c0
[  296.514961][ T7395]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  296.514977][ T7395]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  296.515001][ T7395]  gfs2_fill_super+0x141c/0x2220
[  296.515024][ T7395]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.515037][ T7395]  ? rt_spin_unlock+0x14f/0x200
[  296.515050][ T7395]  ? sb_set_blocksize+0x11b/0x210
[  296.515066][ T7395]  ? setup_bdev_super+0x4c1/0x5b0
[  296.515081][ T7395]  get_tree_bdev_flags+0x431/0x4f0
[  296.515095][ T7395]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.515110][ T7395]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  296.515123][ T7395]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  296.515141][ T7395]  gfs2_get_tree+0x51/0x1e0
[  296.515173][ T7395]  vfs_get_tree+0x92/0x2a0
[  296.515187][ T7395]  do_new_mount+0x341/0xd30
[  296.515197][ T7395]  ? apparmor_capable+0x126/0x170
[  296.515216][ T7395]  ? __pfx_do_new_mount+0x10/0x10
[  296.515227][ T7395]  ? ns_capable+0x89/0xe0
[  296.515242][ T7395]  ? user_path_at+0xd4/0x160
[  296.515256][ T7395]  ? user_path_at+0xd4/0x160
[  296.515269][ T7395]  __se_sys_mount+0x31d/0x420
[  296.515283][ T7395]  ? __pfx___se_sys_mount+0x10/0x10
[  296.515297][ T7395]  ? __x64_sys_mount+0x20/0xc0
[  296.515307][ T7395]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.515318][ T7395]  do_syscall_64+0x15f/0xf80
[  296.515332][ T7395]  ? trace_irq_disable+0x3b/0x140
[  296.515346][ T7395]  ? clear_bhb_loop+0x40/0x90
[  296.515359][ T7395]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.515370][ T7395] RIP: 0033:0x7f34b340b30a
[  296.515381][ T7395] 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
[  296.515391][ T7395] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.515403][ T7395] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  296.515414][ T7395] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  296.515421][ T7395] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  296.515428][ T7395] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  296.515435][ T7395] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  296.515451][ T7395]  </TASK>
[  296.515474][ T7395] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.515483][ T7395] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.069726][ T7399] loop1: detected capacity change from 0 to 32768
[  297.084682][ T7399] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.084703][ T7399] CPU: 0 UID: 0 PID: 7399 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  297.084723][ T7399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  297.084735][ T7399] Call Trace:
[  297.084743][ T7399]  <TASK>
[  297.084751][ T7399]  dump_stack_lvl+0xe8/0x150
[  297.084782][ T7399]  sysfs_create_dir_ns+0x271/0x2a0
[  297.084804][ T7399]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.084826][ T7399]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.084850][ T7399]  ? rt_spin_unlock+0x160/0x200
[  297.084873][ T7399]  kobject_add_internal+0x631/0xd10
[  297.084910][ T7399]  kobject_init_and_add+0x12b/0x1a0
[  297.084944][ T7399]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.084974][ T7399]  ? __raw_spin_lock_init+0x45/0x100
[  297.084999][ T7399]  ? __init_swait_queue_head+0xa9/0x150
[  297.085028][ T7399]  gfs2_sys_fs_add+0x257/0x480
[  297.085049][ T7399]  ? is_dynamic_key+0x1ac/0x1c0
[  297.085076][ T7399]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.085104][ T7399]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.085148][ T7399]  gfs2_fill_super+0x141c/0x2220
[  297.085189][ T7399]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.085215][ T7399]  ? rt_spin_unlock+0x14f/0x200
[  297.085239][ T7399]  ? sb_set_blocksize+0x11b/0x210
[  297.085269][ T7399]  ? setup_bdev_super+0x4c1/0x5b0
[  297.085297][ T7399]  get_tree_bdev_flags+0x431/0x4f0
[  297.085324][ T7399]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.085352][ T7399]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.085377][ T7399]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.085420][ T7399]  gfs2_get_tree+0x51/0x1e0
[  297.085451][ T7399]  vfs_get_tree+0x92/0x2a0
[  297.085480][ T7399]  do_new_mount+0x341/0xd30
[  297.085499][ T7399]  ? apparmor_capable+0x126/0x170
[  297.085534][ T7399]  ? __pfx_do_new_mount+0x10/0x10
[  297.085553][ T7399]  ? ns_capable+0x89/0xe0
[  297.085582][ T7399]  ? user_path_at+0xd4/0x160
[  297.085608][ T7399]  ? user_path_at+0xd4/0x160
[  297.085633][ T7399]  __se_sys_mount+0x31d/0x420
[  297.085659][ T7399]  ? __pfx___se_sys_mount+0x10/0x10
[  297.085686][ T7399]  ? __x64_sys_mount+0x20/0xc0
[  297.085705][ T7399]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.085726][ T7399]  do_syscall_64+0x15f/0xf80
[  297.085750][ T7399]  ? trace_irq_disable+0x3b/0x140
[  297.085776][ T7399]  ? clear_bhb_loop+0x40/0x90
[  297.085801][ T7399]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.085821][ T7399] RIP: 0033:0x7f34b340b30a
[  297.085840][ T7399] 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
[  297.085857][ T7399] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.085879][ T7399] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  297.085893][ T7399] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  297.085907][ T7399] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  297.085920][ T7399] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  297.085933][ T7399] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  297.085983][ T7399]  </TASK>
[  297.086581][ T7399] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.086599][ T7399] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.659771][ T7403] loop1: detected capacity change from 0 to 32768
[  297.680078][ T7403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.680093][ T7403] CPU: 0 UID: 0 PID: 7403 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  297.680106][ T7403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  297.680113][ T7403] Call Trace:
[  297.680117][ T7403]  <TASK>
[  297.680122][ T7403]  dump_stack_lvl+0xe8/0x150
[  297.680142][ T7403]  sysfs_create_dir_ns+0x271/0x2a0
[  297.680155][ T7403]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.680168][ T7403]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.680180][ T7403]  ? rt_spin_unlock+0x160/0x200
[  297.680193][ T7403]  kobject_add_internal+0x631/0xd10
[  297.680217][ T7403]  kobject_init_and_add+0x12b/0x1a0
[  297.680235][ T7403]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.680251][ T7403]  ? __raw_spin_lock_init+0x45/0x100
[  297.680266][ T7403]  ? __init_swait_queue_head+0xa9/0x150
[  297.680282][ T7403]  gfs2_sys_fs_add+0x257/0x480
[  297.680294][ T7403]  ? is_dynamic_key+0x1ac/0x1c0
[  297.680315][ T7403]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.680331][ T7403]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.680354][ T7403]  gfs2_fill_super+0x141c/0x2220
[  297.680377][ T7403]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.680390][ T7403]  ? rt_spin_unlock+0x14f/0x200
[  297.680404][ T7403]  ? sb_set_blocksize+0x11b/0x210
[  297.680425][ T7403]  ? setup_bdev_super+0x4c1/0x5b0
[  297.680452][ T7403]  get_tree_bdev_flags+0x431/0x4f0
[  297.680475][ T7403]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.680501][ T7403]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.680517][ T7403]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.680536][ T7403]  gfs2_get_tree+0x51/0x1e0
[  297.680553][ T7403]  vfs_get_tree+0x92/0x2a0
[  297.680567][ T7403]  do_new_mount+0x341/0xd30
[  297.680577][ T7403]  ? apparmor_capable+0x126/0x170
[  297.680596][ T7403]  ? __pfx_do_new_mount+0x10/0x10
[  297.680606][ T7403]  ? ns_capable+0x89/0xe0
[  297.680621][ T7403]  ? user_path_at+0xd4/0x160
[  297.680635][ T7403]  ? user_path_at+0xd4/0x160
[  297.680648][ T7403]  __se_sys_mount+0x31d/0x420
[  297.680662][ T7403]  ? __pfx___se_sys_mount+0x10/0x10
[  297.680675][ T7403]  ? __x64_sys_mount+0x20/0xc0
[  297.680686][ T7403]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.680697][ T7403]  do_syscall_64+0x15f/0xf80
[  297.680711][ T7403]  ? trace_irq_disable+0x3b/0x140
[  297.680725][ T7403]  ? clear_bhb_loop+0x40/0x90
[  297.680738][ T7403]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.680748][ T7403] RIP: 0033:0x7f34b340b30a
[  297.680760][ T7403] 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
[  297.680769][ T7403] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.680782][ T7403] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  297.680790][ T7403] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  297.680797][ T7403] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  297.680804][ T7403] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  297.680811][ T7403] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  297.680837][ T7403]  </TASK>
[  297.682904][ T7403] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.682923][ T7403] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.239101][ T7407] loop1: detected capacity change from 0 to 32768
[  298.263861][ T7407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.263876][ T7407] CPU: 0 UID: 0 PID: 7407 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  298.263889][ T7407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  298.263896][ T7407] Call Trace:
[  298.263900][ T7407]  <TASK>
[  298.263905][ T7407]  dump_stack_lvl+0xe8/0x150
[  298.263924][ T7407]  sysfs_create_dir_ns+0x271/0x2a0
[  298.263937][ T7407]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  298.263950][ T7407]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  298.263962][ T7407]  ? rt_spin_unlock+0x160/0x200
[  298.263977][ T7407]  kobject_add_internal+0x631/0xd10
[  298.263997][ T7407]  kobject_init_and_add+0x12b/0x1a0
[  298.264015][ T7407]  ? __pfx_kobject_init_and_add+0x10/0x10
[  298.264032][ T7407]  ? __raw_spin_lock_init+0x45/0x100
[  298.264047][ T7407]  ? __init_swait_queue_head+0xa9/0x150
[  298.264063][ T7407]  gfs2_sys_fs_add+0x257/0x480
[  298.264075][ T7407]  ? is_dynamic_key+0x1ac/0x1c0
[  298.264090][ T7407]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  298.264106][ T7407]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  298.264129][ T7407]  gfs2_fill_super+0x141c/0x2220
[  298.264152][ T7407]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.264165][ T7407]  ? rt_spin_unlock+0x14f/0x200
[  298.264178][ T7407]  ? sb_set_blocksize+0x11b/0x210
[  298.264194][ T7407]  ? setup_bdev_super+0x4c1/0x5b0
[  298.264210][ T7407]  get_tree_bdev_flags+0x431/0x4f0
[  298.264231][ T7407]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.264245][ T7407]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  298.264258][ T7407]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  298.264277][ T7407]  gfs2_get_tree+0x51/0x1e0
[  298.264293][ T7407]  vfs_get_tree+0x92/0x2a0
[  298.264308][ T7407]  do_new_mount+0x341/0xd30
[  298.264318][ T7407]  ? apparmor_capable+0x126/0x170
[  298.264337][ T7407]  ? __pfx_do_new_mount+0x10/0x10
[  298.264347][ T7407]  ? ns_capable+0x89/0xe0
[  298.264362][ T7407]  ? user_path_at+0xd4/0x160
[  298.264376][ T7407]  ? user_path_at+0xd4/0x160
[  298.264389][ T7407]  __se_sys_mount+0x31d/0x420
[  298.264403][ T7407]  ? __pfx___se_sys_mount+0x10/0x10
[  298.264416][ T7407]  ? __x64_sys_mount+0x20/0xc0
[  298.264426][ T7407]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.264438][ T7407]  do_syscall_64+0x15f/0xf80
[  298.264452][ T7407]  ? trace_irq_disable+0x3b/0x140
[  298.264466][ T7407]  ? clear_bhb_loop+0x40/0x90
[  298.264479][ T7407]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.264490][ T7407] RIP: 0033:0x7f34b340b30a
[  298.264501][ T7407] 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
[  298.264510][ T7407] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.264522][ T7407] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  298.264529][ T7407] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  298.264537][ T7407] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  298.264544][ T7407] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  298.264551][ T7407] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  298.264567][ T7407]  </TASK>
[  298.264582][ T7407] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.264590][ T7407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.810610][   T60] Bluetooth: hci1: command 0x0406 tx timeout
[  298.838168][ T7411] loop1: detected capacity change from 0 to 32768
[  298.847567][ T7411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.847587][ T7411] CPU: 0 UID: 0 PID: 7411 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  298.847610][ T7411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  298.847622][ T7411] Call Trace:
[  298.847629][ T7411]  <TASK>
[  298.847638][ T7411]  dump_stack_lvl+0xe8/0x150
[  298.847670][ T7411]  sysfs_create_dir_ns+0x271/0x2a0
[  298.847692][ T7411]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  298.847716][ T7411]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  298.847739][ T7411]  ? rt_spin_unlock+0x160/0x200
[  298.847762][ T7411]  kobject_add_internal+0x631/0xd10
[  298.847795][ T7411]  kobject_init_and_add+0x12b/0x1a0
[  298.847826][ T7411]  ? __pfx_kobject_init_and_add+0x10/0x10
[  298.847855][ T7411]  ? __raw_spin_lock_init+0x45/0x100
[  298.847881][ T7411]  ? __init_swait_queue_head+0xa9/0x150
[  298.847910][ T7411]  gfs2_sys_fs_add+0x257/0x480
[  298.847931][ T7411]  ? is_dynamic_key+0x1ac/0x1c0
[  298.847958][ T7411]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  298.847986][ T7411]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  298.848026][ T7411]  gfs2_fill_super+0x141c/0x2220
[  298.848068][ T7411]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.848091][ T7411]  ? rt_spin_unlock+0x14f/0x200
[  298.848113][ T7411]  ? sb_set_blocksize+0x11b/0x210
[  298.848144][ T7411]  ? setup_bdev_super+0x4c1/0x5b0
[  298.848180][ T7411]  get_tree_bdev_flags+0x431/0x4f0
[  298.848206][ T7411]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.848232][ T7411]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  298.848254][ T7411]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  298.848287][ T7411]  gfs2_get_tree+0x51/0x1e0
[  298.848316][ T7411]  vfs_get_tree+0x92/0x2a0
[  298.848343][ T7411]  do_new_mount+0x341/0xd30
[  298.848360][ T7411]  ? apparmor_capable+0x126/0x170
[  298.848392][ T7411]  ? __pfx_do_new_mount+0x10/0x10
[  298.848411][ T7411]  ? ns_capable+0x89/0xe0
[  298.848438][ T7411]  ? user_path_at+0xd4/0x160
[  298.848465][ T7411]  ? user_path_at+0xd4/0x160
[  298.848487][ T7411]  __se_sys_mount+0x31d/0x420
[  298.848511][ T7411]  ? __pfx___se_sys_mount+0x10/0x10
[  298.848536][ T7411]  ? __x64_sys_mount+0x20/0xc0
[  298.848552][ T7411]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.848570][ T7411]  do_syscall_64+0x15f/0xf80
[  298.848592][ T7411]  ? trace_irq_disable+0x3b/0x140
[  298.848614][ T7411]  ? clear_bhb_loop+0x40/0x90
[  298.848634][ T7411]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.848650][ T7411] RIP: 0033:0x7f34b340b30a
[  298.848666][ T7411] 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
[  298.848680][ T7411] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.848699][ T7411] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  298.848712][ T7411] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  298.848724][ T7411] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  298.848736][ T7411] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  298.848747][ T7411] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  298.848772][ T7411]  </TASK>
[  298.848841][ T7411] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.848856][ T7411] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.474220][ T7415] loop1: detected capacity change from 0 to 32768
[  299.488786][ T7415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.488807][ T7415] CPU: 0 UID: 0 PID: 7415 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  299.488831][ T7415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  299.488844][ T7415] Call Trace:
[  299.488852][ T7415]  <TASK>
[  299.488860][ T7415]  dump_stack_lvl+0xe8/0x150
[  299.488883][ T7415]  sysfs_create_dir_ns+0x271/0x2a0
[  299.488895][ T7415]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.488908][ T7415]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.488920][ T7415]  ? rt_spin_unlock+0x160/0x200
[  299.488932][ T7415]  kobject_add_internal+0x631/0xd10
[  299.488953][ T7415]  kobject_init_and_add+0x12b/0x1a0
[  299.488971][ T7415]  ? __pfx_kobject_init_and_add+0x10/0x10
2026/04/28 14:14:03 executed programs: 209
[  299.488987][ T7415]  ? __raw_spin_lock_init+0x45/0x100
[  299.489002][ T7415]  ? __init_swait_queue_head+0xa9/0x150
[  299.489018][ T7415]  gfs2_sys_fs_add+0x257/0x480
[  299.489030][ T7415]  ? is_dynamic_key+0x1ac/0x1c0
[  299.489045][ T7415]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.489061][ T7415]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.489084][ T7415]  gfs2_fill_super+0x141c/0x2220
[  299.489107][ T7415]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.489127][ T7415]  ? rt_spin_unlock+0x14f/0x200
[  299.489140][ T7415]  ? sb_set_blocksize+0x11b/0x210
[  299.489156][ T7415]  ? setup_bdev_super+0x4c1/0x5b0
[  299.489172][ T7415]  get_tree_bdev_flags+0x431/0x4f0
[  299.489186][ T7415]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.489200][ T7415]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.489213][ T7415]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.489232][ T7415]  gfs2_get_tree+0x51/0x1e0
[  299.489248][ T7415]  vfs_get_tree+0x92/0x2a0
[  299.489263][ T7415]  do_new_mount+0x341/0xd30
[  299.489272][ T7415]  ? apparmor_capable+0x126/0x170
[  299.489291][ T7415]  ? __pfx_do_new_mount+0x10/0x10
[  299.489302][ T7415]  ? ns_capable+0x89/0xe0
[  299.489316][ T7415]  ? user_path_at+0xd4/0x160
[  299.489331][ T7415]  ? user_path_at+0xd4/0x160
[  299.489343][ T7415]  __se_sys_mount+0x31d/0x420
[  299.489357][ T7415]  ? __pfx___se_sys_mount+0x10/0x10
[  299.489371][ T7415]  ? __x64_sys_mount+0x20/0xc0
[  299.489381][ T7415]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.489392][ T7415]  do_syscall_64+0x15f/0xf80
[  299.489406][ T7415]  ? trace_irq_disable+0x3b/0x140
[  299.489420][ T7415]  ? clear_bhb_loop+0x40/0x90
[  299.489433][ T7415]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.489443][ T7415] RIP: 0033:0x7f34b340b30a
[  299.489454][ T7415] 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
[  299.489463][ T7415] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.489475][ T7415] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  299.489483][ T7415] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  299.489490][ T7415] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  299.489497][ T7415] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  299.489504][ T7415] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  299.489520][ T7415]  </TASK>
[  299.489735][ T7415] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.489752][ T7415] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.051055][ T7419] loop1: detected capacity change from 0 to 32768
[  300.060054][ T7419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.060075][ T7419] CPU: 0 UID: 0 PID: 7419 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  300.060098][ T7419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  300.060110][ T7419] Call Trace:
[  300.060117][ T7419]  <TASK>
[  300.060126][ T7419]  dump_stack_lvl+0xe8/0x150
[  300.060157][ T7419]  sysfs_create_dir_ns+0x271/0x2a0
[  300.060178][ T7419]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  300.060201][ T7419]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.060230][ T7419]  ? rt_spin_unlock+0x160/0x200
[  300.060253][ T7419]  kobject_add_internal+0x631/0xd10
[  300.060292][ T7419]  kobject_init_and_add+0x12b/0x1a0
[  300.060326][ T7419]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.060356][ T7419]  ? __raw_spin_lock_init+0x45/0x100
[  300.060383][ T7419]  ? __init_swait_queue_head+0xa9/0x150
[  300.060411][ T7419]  gfs2_sys_fs_add+0x257/0x480
[  300.060435][ T7419]  ? is_dynamic_key+0x1ac/0x1c0
[  300.060462][ T7419]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.060485][ T7419]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.060518][ T7419]  gfs2_fill_super+0x141c/0x2220
[  300.060555][ T7419]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.060578][ T7419]  ? rt_spin_unlock+0x14f/0x200
[  300.060601][ T7419]  ? sb_set_blocksize+0x11b/0x210
[  300.060630][ T7419]  ? setup_bdev_super+0x4c1/0x5b0
[  300.060659][ T7419]  get_tree_bdev_flags+0x431/0x4f0
[  300.060683][ T7419]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.060710][ T7419]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.060734][ T7419]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.060769][ T7419]  gfs2_get_tree+0x51/0x1e0
[  300.060800][ T7419]  vfs_get_tree+0x92/0x2a0
[  300.060828][ T7419]  do_new_mount+0x341/0xd30
[  300.060846][ T7419]  ? apparmor_capable+0x126/0x170
[  300.060888][ T7419]  ? __pfx_do_new_mount+0x10/0x10
[  300.060905][ T7419]  ? ns_capable+0x89/0xe0
[  300.060931][ T7419]  ? user_path_at+0xd4/0x160
[  300.060954][ T7419]  ? user_path_at+0xd4/0x160
[  300.060972][ T7419]  __se_sys_mount+0x31d/0x420
[  300.060991][ T7419]  ? __pfx___se_sys_mount+0x10/0x10
[  300.061011][ T7419]  ? __x64_sys_mount+0x20/0xc0
[  300.061025][ T7419]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.061041][ T7419]  do_syscall_64+0x15f/0xf80
[  300.061060][ T7419]  ? trace_irq_disable+0x3b/0x140
[  300.061079][ T7419]  ? clear_bhb_loop+0x40/0x90
[  300.061096][ T7419]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.061111][ T7419] RIP: 0033:0x7f34b340b30a
[  300.061126][ T7419] 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
[  300.061139][ T7419] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.061155][ T7419] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  300.061166][ T7419] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  300.061176][ T7419] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  300.061186][ T7419] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  300.061196][ T7419] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  300.061218][ T7419]  </TASK>
[  300.076701][ T7419] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.076722][ T7419] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.639759][ T7423] loop1: detected capacity change from 0 to 32768
[  300.662944][ T7423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.662965][ T7423] CPU: 0 UID: 0 PID: 7423 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  300.662988][ T7423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  300.662999][ T7423] Call Trace:
[  300.663007][ T7423]  <TASK>
[  300.663016][ T7423]  dump_stack_lvl+0xe8/0x150
[  300.663047][ T7423]  sysfs_create_dir_ns+0x271/0x2a0
[  300.663067][ T7423]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  300.663089][ T7423]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.663112][ T7423]  ? rt_spin_unlock+0x160/0x200
[  300.663133][ T7423]  kobject_add_internal+0x631/0xd10
[  300.663170][ T7423]  kobject_init_and_add+0x12b/0x1a0
[  300.663203][ T7423]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.663231][ T7423]  ? __raw_spin_lock_init+0x45/0x100
[  300.663258][ T7423]  ? __init_swait_queue_head+0xa9/0x150
[  300.663287][ T7423]  gfs2_sys_fs_add+0x257/0x480
[  300.663310][ T7423]  ? is_dynamic_key+0x1ac/0x1c0
[  300.663337][ T7423]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.663367][ T7423]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.663409][ T7423]  gfs2_fill_super+0x141c/0x2220
[  300.663452][ T7423]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.663478][ T7423]  ? rt_spin_unlock+0x14f/0x200
[  300.663503][ T7423]  ? sb_set_blocksize+0x11b/0x210
[  300.663533][ T7423]  ? setup_bdev_super+0x4c1/0x5b0
[  300.663561][ T7423]  get_tree_bdev_flags+0x431/0x4f0
[  300.663587][ T7423]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.663614][ T7423]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.663637][ T7423]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.663670][ T7423]  gfs2_get_tree+0x51/0x1e0
[  300.663699][ T7423]  vfs_get_tree+0x92/0x2a0
[  300.663735][ T7423]  do_new_mount+0x341/0xd30
[  300.663753][ T7423]  ? apparmor_capable+0x126/0x170
[  300.663786][ T7423]  ? __pfx_do_new_mount+0x10/0x10
[  300.663806][ T7423]  ? ns_capable+0x89/0xe0
[  300.663833][ T7423]  ? user_path_at+0xd4/0x160
[  300.663858][ T7423]  ? user_path_at+0xd4/0x160
[  300.663882][ T7423]  __se_sys_mount+0x31d/0x420
[  300.663909][ T7423]  ? __pfx___se_sys_mount+0x10/0x10
[  300.663936][ T7423]  ? __x64_sys_mount+0x20/0xc0
[  300.663955][ T7423]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.663975][ T7423]  do_syscall_64+0x15f/0xf80
[  300.663998][ T7423]  ? trace_irq_disable+0x3b/0x140
[  300.664023][ T7423]  ? clear_bhb_loop+0x40/0x90
[  300.664048][ T7423]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.664068][ T7423] RIP: 0033:0x7f34b340b30a
[  300.664087][ T7423] 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
[  300.664105][ T7423] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.664126][ T7423] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  300.664140][ T7423] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  300.664155][ T7423] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  300.664169][ T7423] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  300.664182][ T7423] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  300.664216][ T7423]  </TASK>
[  300.664265][ T7423] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.664280][ T7423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.254130][ T7427] loop1: detected capacity change from 0 to 32768
[  301.260002][ T7427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.260023][ T7427] CPU: 1 UID: 0 PID: 7427 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  301.260045][ T7427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  301.260056][ T7427] Call Trace:
[  301.260063][ T7427]  <TASK>
[  301.260071][ T7427]  dump_stack_lvl+0xe8/0x150
[  301.260101][ T7427]  sysfs_create_dir_ns+0x271/0x2a0
[  301.260120][ T7427]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.260142][ T7427]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.260165][ T7427]  ? rt_spin_unlock+0x160/0x200
[  301.260186][ T7427]  kobject_add_internal+0x631/0xd10
[  301.260228][ T7427]  kobject_init_and_add+0x12b/0x1a0
[  301.260262][ T7427]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.260291][ T7427]  ? __raw_spin_lock_init+0x45/0x100
[  301.260319][ T7427]  ? __init_swait_queue_head+0xa9/0x150
[  301.260349][ T7427]  gfs2_sys_fs_add+0x257/0x480
[  301.260371][ T7427]  ? is_dynamic_key+0x1ac/0x1c0
[  301.260400][ T7427]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.260432][ T7427]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.260472][ T7427]  gfs2_fill_super+0x141c/0x2220
[  301.260513][ T7427]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.260537][ T7427]  ? rt_spin_unlock+0x14f/0x200
[  301.260562][ T7427]  ? sb_set_blocksize+0x11b/0x210
[  301.260592][ T7427]  ? setup_bdev_super+0x4c1/0x5b0
[  301.260620][ T7427]  get_tree_bdev_flags+0x431/0x4f0
[  301.260648][ T7427]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.260676][ T7427]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.260698][ T7427]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.260731][ T7427]  gfs2_get_tree+0x51/0x1e0
[  301.260762][ T7427]  vfs_get_tree+0x92/0x2a0
[  301.260789][ T7427]  do_new_mount+0x341/0xd30
[  301.260807][ T7427]  ? apparmor_capable+0x126/0x170
[  301.260842][ T7427]  ? __pfx_do_new_mount+0x10/0x10
[  301.260862][ T7427]  ? ns_capable+0x89/0xe0
[  301.260890][ T7427]  ? user_path_at+0xd4/0x160
[  301.260918][ T7427]  ? user_path_at+0xd4/0x160
[  301.260943][ T7427]  __se_sys_mount+0x31d/0x420
[  301.260976][ T7427]  ? __pfx___se_sys_mount+0x10/0x10
[  301.261003][ T7427]  ? __x64_sys_mount+0x20/0xc0
[  301.261023][ T7427]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.261045][ T7427]  do_syscall_64+0x15f/0xf80
[  301.261071][ T7427]  ? trace_irq_disable+0x3b/0x140
[  301.261097][ T7427]  ? clear_bhb_loop+0x40/0x90
[  301.261122][ T7427]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.261143][ T7427] RIP: 0033:0x7f34b340b30a
[  301.261161][ T7427] 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
[  301.261179][ T7427] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.261200][ T7427] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  301.261215][ T7427] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  301.261230][ T7427] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  301.261244][ T7427] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  301.261257][ T7427] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  301.261287][ T7427]  </TASK>
[  301.263975][ T7427] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.263994][ T7427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.826276][ T7431] loop1: detected capacity change from 0 to 32768
[  301.841353][ T7431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.841369][ T7431] CPU: 1 UID: 0 PID: 7431 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  301.841382][ T7431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  301.841397][ T7431] Call Trace:
[  301.841402][ T7431]  <TASK>
[  301.841407][ T7431]  dump_stack_lvl+0xe8/0x150
[  301.841426][ T7431]  sysfs_create_dir_ns+0x271/0x2a0
[  301.841439][ T7431]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.841452][ T7431]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.841464][ T7431]  ? rt_spin_unlock+0x160/0x200
[  301.841476][ T7431]  kobject_add_internal+0x631/0xd10
[  301.841497][ T7431]  kobject_init_and_add+0x12b/0x1a0
[  301.841515][ T7431]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.841531][ T7431]  ? __raw_spin_lock_init+0x45/0x100
[  301.841546][ T7431]  ? __init_swait_queue_head+0xa9/0x150
[  301.841562][ T7431]  gfs2_sys_fs_add+0x257/0x480
[  301.841574][ T7431]  ? is_dynamic_key+0x1ac/0x1c0
[  301.841594][ T7431]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.841610][ T7431]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.841633][ T7431]  gfs2_fill_super+0x141c/0x2220
[  301.841656][ T7431]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.841670][ T7431]  ? rt_spin_unlock+0x14f/0x200
[  301.841682][ T7431]  ? sb_set_blocksize+0x11b/0x210
[  301.841699][ T7431]  ? setup_bdev_super+0x4c1/0x5b0
[  301.841714][ T7431]  get_tree_bdev_flags+0x431/0x4f0
[  301.841728][ T7431]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.841743][ T7431]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.841755][ T7431]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.841774][ T7431]  gfs2_get_tree+0x51/0x1e0
[  301.841790][ T7431]  vfs_get_tree+0x92/0x2a0
[  301.841804][ T7431]  do_new_mount+0x341/0xd30
[  301.841814][ T7431]  ? apparmor_capable+0x126/0x170
[  301.841843][ T7431]  ? __pfx_do_new_mount+0x10/0x10
[  301.841853][ T7431]  ? ns_capable+0x89/0xe0
[  301.841868][ T7431]  ? user_path_at+0xd4/0x160
[  301.841882][ T7431]  ? user_path_at+0xd4/0x160
[  301.841894][ T7431]  __se_sys_mount+0x31d/0x420
[  301.841908][ T7431]  ? __pfx___se_sys_mount+0x10/0x10
[  301.841922][ T7431]  ? __x64_sys_mount+0x20/0xc0
[  301.841939][ T7431]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.841959][ T7431]  do_syscall_64+0x15f/0xf80
[  301.841975][ T7431]  ? trace_irq_disable+0x3b/0x140
[  301.841989][ T7431]  ? clear_bhb_loop+0x40/0x90
[  301.842003][ T7431]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.842013][ T7431] RIP: 0033:0x7f34b340b30a
[  301.842024][ T7431] 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
[  301.842034][ T7431] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.842046][ T7431] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  301.842054][ T7431] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  301.842062][ T7431] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  301.842069][ T7431] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  301.842076][ T7431] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  301.842092][ T7431]  </TASK>
[  301.842117][ T7431] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.842125][ T7431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.412943][ T7435] loop1: detected capacity change from 0 to 32768
[  302.438252][ T7435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.438274][ T7435] CPU: 0 UID: 0 PID: 7435 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  302.438300][ T7435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  302.438312][ T7435] Call Trace:
[  302.438320][ T7435]  <TASK>
[  302.438329][ T7435]  dump_stack_lvl+0xe8/0x150
[  302.438360][ T7435]  sysfs_create_dir_ns+0x271/0x2a0
[  302.438381][ T7435]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  302.438404][ T7435]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.438428][ T7435]  ? rt_spin_unlock+0x160/0x200
[  302.438452][ T7435]  kobject_add_internal+0x631/0xd10
[  302.438489][ T7435]  kobject_init_and_add+0x12b/0x1a0
[  302.438524][ T7435]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.438564][ T7435]  ? __raw_spin_lock_init+0x45/0x100
[  302.438591][ T7435]  ? __init_swait_queue_head+0xa9/0x150
[  302.438621][ T7435]  gfs2_sys_fs_add+0x257/0x480
[  302.438643][ T7435]  ? is_dynamic_key+0x1ac/0x1c0
[  302.438671][ T7435]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.438702][ T7435]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.438746][ T7435]  gfs2_fill_super+0x141c/0x2220
[  302.438790][ T7435]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.438814][ T7435]  ? rt_spin_unlock+0x14f/0x200
[  302.438838][ T7435]  ? sb_set_blocksize+0x11b/0x210
[  302.438868][ T7435]  ? setup_bdev_super+0x4c1/0x5b0
[  302.438897][ T7435]  get_tree_bdev_flags+0x431/0x4f0
[  302.438923][ T7435]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.438950][ T7435]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.438974][ T7435]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.439009][ T7435]  gfs2_get_tree+0x51/0x1e0
[  302.439041][ T7435]  vfs_get_tree+0x92/0x2a0
[  302.439069][ T7435]  do_new_mount+0x341/0xd30
[  302.439087][ T7435]  ? apparmor_capable+0x126/0x170
[  302.439119][ T7435]  ? __pfx_do_new_mount+0x10/0x10
[  302.439138][ T7435]  ? ns_capable+0x89/0xe0
[  302.439165][ T7435]  ? user_path_at+0xd4/0x160
[  302.439192][ T7435]  ? user_path_at+0xd4/0x160
[  302.439216][ T7435]  __se_sys_mount+0x31d/0x420
[  302.439242][ T7435]  ? __pfx___se_sys_mount+0x10/0x10
[  302.439270][ T7435]  ? __x64_sys_mount+0x20/0xc0
[  302.439289][ T7435]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.439311][ T7435]  do_syscall_64+0x15f/0xf80
[  302.439336][ T7435]  ? trace_irq_disable+0x3b/0x140
[  302.439362][ T7435]  ? clear_bhb_loop+0x40/0x90
[  302.439386][ T7435]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.439406][ T7435] RIP: 0033:0x7f34b340b30a
[  302.439425][ T7435] 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
[  302.439442][ T7435] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.439463][ T7435] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  302.439478][ T7435] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  302.439493][ T7435] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  302.439507][ T7435] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  302.439520][ T7435] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  302.439555][ T7435]  </TASK>
[  302.439598][ T7435] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.439614][ T7435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.003440][ T7439] loop1: detected capacity change from 0 to 32768
[  303.007357][ T7439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.007376][ T7439] CPU: 1 UID: 0 PID: 7439 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  303.007398][ T7439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  303.007410][ T7439] Call Trace:
[  303.007417][ T7439]  <TASK>
[  303.007426][ T7439]  dump_stack_lvl+0xe8/0x150
[  303.007457][ T7439]  sysfs_create_dir_ns+0x271/0x2a0
[  303.007479][ T7439]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  303.007502][ T7439]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.007526][ T7439]  ? rt_spin_unlock+0x160/0x200
[  303.007549][ T7439]  kobject_add_internal+0x631/0xd10
[  303.007587][ T7439]  kobject_init_and_add+0x12b/0x1a0
[  303.007621][ T7439]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.007652][ T7439]  ? __raw_spin_lock_init+0x45/0x100
[  303.007681][ T7439]  ? __init_swait_queue_head+0xa9/0x150
[  303.007711][ T7439]  gfs2_sys_fs_add+0x257/0x480
[  303.007730][ T7439]  ? is_dynamic_key+0x1ac/0x1c0
[  303.007765][ T7439]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.007797][ T7439]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.007841][ T7439]  gfs2_fill_super+0x141c/0x2220
[  303.007884][ T7439]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.007907][ T7439]  ? rt_spin_unlock+0x14f/0x200
[  303.007931][ T7439]  ? sb_set_blocksize+0x11b/0x210
[  303.007961][ T7439]  ? setup_bdev_super+0x4c1/0x5b0
[  303.007990][ T7439]  get_tree_bdev_flags+0x431/0x4f0
[  303.008017][ T7439]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.008043][ T7439]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.008066][ T7439]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.008101][ T7439]  gfs2_get_tree+0x51/0x1e0
[  303.008132][ T7439]  vfs_get_tree+0x92/0x2a0
[  303.008159][ T7439]  do_new_mount+0x341/0xd30
[  303.008177][ T7439]  ? apparmor_capable+0x126/0x170
[  303.008211][ T7439]  ? __pfx_do_new_mount+0x10/0x10
[  303.008230][ T7439]  ? ns_capable+0x89/0xe0
[  303.008258][ T7439]  ? user_path_at+0xd4/0x160
[  303.008284][ T7439]  ? user_path_at+0xd4/0x160
[  303.008309][ T7439]  __se_sys_mount+0x31d/0x420
[  303.008332][ T7439]  ? __pfx___se_sys_mount+0x10/0x10
[  303.008360][ T7439]  ? __x64_sys_mount+0x20/0xc0
[  303.008378][ T7439]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.008400][ T7439]  do_syscall_64+0x15f/0xf80
[  303.008425][ T7439]  ? trace_irq_disable+0x3b/0x140
[  303.008451][ T7439]  ? clear_bhb_loop+0x40/0x90
[  303.008476][ T7439]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.008497][ T7439] RIP: 0033:0x7f34b340b30a
[  303.008514][ T7439] 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
[  303.008531][ T7439] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.008553][ T7439] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  303.008569][ T7439] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  303.008586][ T7439] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  303.008600][ T7439] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  303.008612][ T7439] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  303.008644][ T7439]  </TASK>
[  303.008724][ T7439] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.008740][ T7439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.606910][ T7444] loop1: detected capacity change from 0 to 32768
[  303.613513][ T7444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.613534][ T7444] CPU: 0 UID: 0 PID: 7444 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  303.613555][ T7444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  303.613567][ T7444] Call Trace:
[  303.613575][ T7444]  <TASK>
[  303.613583][ T7444]  dump_stack_lvl+0xe8/0x150
[  303.613614][ T7444]  sysfs_create_dir_ns+0x271/0x2a0
[  303.613636][ T7444]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  303.613658][ T7444]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.613685][ T7444]  ? rt_spin_unlock+0x160/0x200
[  303.613707][ T7444]  kobject_add_internal+0x631/0xd10
[  303.613744][ T7444]  kobject_init_and_add+0x12b/0x1a0
[  303.613776][ T7444]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.613802][ T7444]  ? __raw_spin_lock_init+0x45/0x100
[  303.613828][ T7444]  ? __init_swait_queue_head+0xa9/0x150
[  303.613856][ T7444]  gfs2_sys_fs_add+0x257/0x480
[  303.613876][ T7444]  ? is_dynamic_key+0x1ac/0x1c0
[  303.613904][ T7444]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.613931][ T7444]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.613973][ T7444]  gfs2_fill_super+0x141c/0x2220
[  303.614015][ T7444]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.614039][ T7444]  ? rt_spin_unlock+0x14f/0x200
[  303.614062][ T7444]  ? sb_set_blocksize+0x11b/0x210
[  303.614090][ T7444]  ? setup_bdev_super+0x4c1/0x5b0
[  303.614117][ T7444]  get_tree_bdev_flags+0x431/0x4f0
[  303.614143][ T7444]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.614169][ T7444]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.614191][ T7444]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.614225][ T7444]  gfs2_get_tree+0x51/0x1e0
[  303.614255][ T7444]  vfs_get_tree+0x92/0x2a0
[  303.614281][ T7444]  do_new_mount+0x341/0xd30
[  303.614298][ T7444]  ? apparmor_capable+0x126/0x170
[  303.614331][ T7444]  ? __pfx_do_new_mount+0x10/0x10
[  303.614350][ T7444]  ? ns_capable+0x89/0xe0
[  303.614377][ T7444]  ? user_path_at+0xd4/0x160
[  303.614408][ T7444]  ? user_path_at+0xd4/0x160
[  303.614432][ T7444]  __se_sys_mount+0x31d/0x420
[  303.614457][ T7444]  ? __pfx___se_sys_mount+0x10/0x10
[  303.614482][ T7444]  ? __x64_sys_mount+0x20/0xc0
[  303.614501][ T7444]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.614522][ T7444]  do_syscall_64+0x15f/0xf80
[  303.614546][ T7444]  ? trace_irq_disable+0x3b/0x140
[  303.614571][ T7444]  ? clear_bhb_loop+0x40/0x90
[  303.614594][ T7444]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.614614][ T7444] RIP: 0033:0x7f34b340b30a
[  303.614632][ T7444] 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
[  303.614649][ T7444] RSP: 002b:00007f34b266de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.614669][ T7444] RAX: ffffffffffffffda RBX: 00007f34b266dee0 RCX: 00007f34b340b30a
[  303.614684][ T7444] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f34b266dea0
[  303.614697][ T7444] RBP: 0000200000037f40 R08: 00007f34b266dee0 R09: 0000000001800084
[  303.614710][ T7444] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  303.614721][ T7444] R13: 00007f34b266dea0 R14: 000000000003800a R15: 0000200000000180
[  303.614751][ T7444]  </TASK>
[  303.616288][ T7444] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.616305][ T7444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.770704][   T38] INFO: task kworker/0:6:6288 blocked in I/O wait for more than 143 seconds.
[  303.770726][   T38]       Not tainted syzkaller #0
[  303.770737][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  303.770746][   T38] task:kworker/0:6     state:D stack:22208 pid:6288  tgid:6288  ppid:2      task_flags:0x4208060 flags:0x00080000
[  303.770798][   T38] Workqueue: gfs2_recovery gfs2_recover_func
[  303.770828][   T38] Call Trace:
[  303.770835][   T38]  <TASK>
[  303.770848][   T38]  __schedule+0x169e/0x54f0
[  303.770877][   T38]  ? __lock_acquire+0x6b5/0x2d10
[  303.770916][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  303.770957][   T38]  ? __pfx___schedule+0x10/0x10
[  303.770989][   T38]  ? schedule+0x90/0x360
[  303.771016][   T38]  schedule+0x164/0x360
[  303.771043][   T38]  io_schedule+0x7f/0xd0
[  303.771070][   T38]  folio_wait_bit_common+0x6dd/0xbc0
[  303.771114][   T38]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  303.771141][   T38]  ? __pfx_wake_page_function+0x10/0x10
[  303.771176][   T38]  ? __filemap_get_folio_mpol+0x6fa/0xa50
[  303.771210][   T38]  gfs2_jhead_process_page+0x175/0x670
[  303.771238][   T38]  ? __pfx_mempool_free_slab+0x10/0x10
[  303.771261][   T38]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  303.771282][   T38]  ? __pfx_mempool_free_slab+0x10/0x10
[  303.771303][   T38]  ? mempool_free+0xf5/0x140
[  303.771323][   T38]  ? __pfx_mempool_free+0x10/0x10
[  303.771348][   T38]  ? bio_free+0x1e9/0x330
[  303.771375][   T38]  gfs2_find_jhead+0xbd2/0xd30
[  303.771427][   T38]  gfs2_recover_func+0x6cf/0x1f60
[  303.771454][   T38]  ? unwind_next_frame+0xa6/0x2550
[  303.771484][   T38]  ? ret_from_fork_asm+0x1a/0x30
[  303.771525][   T38]  ? ret_from_fork_asm+0x1a/0x30
[  303.771557][   T38]  ? stack_trace_save+0xa9/0x100
[  303.771583][   T38]  ? __pfx_gfs2_recover_func+0x10/0x10
[  303.771613][   T38]  ? check_path+0x21/0x40
[  303.771637][   T38]  ? add_lock_to_list+0xc7/0x100
[  303.771660][   T38]  ? lockdep_unlock+0x5d/0xd0
[  303.771685][   T38]  ? __lock_acquire+0x146e/0x2d10
[  303.771731][   T38]  ? process_one_work+0x8b7/0x1710
[  303.771769][   T38]  ? process_one_work+0x8b7/0x1710
[  303.771791][   T38]  process_one_work+0x9a3/0x1710
[  303.771835][   T38]  ? __pfx_process_one_work+0x10/0x10
[  303.771857][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  303.771899][   T38]  worker_thread+0xba8/0x11e0
[  303.771933][   T38]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  303.834161][   T38]  ? __kthread_parkme+0x7a/0x1f0
[  303.834201][   T38]  ? __kthread_parkme+0x19c/0x1f0
[  303.834235][   T38]  kthread+0x388/0x470
[  303.834265][   T38]  ? __pfx_worker_thread+0x10/0x10
[  303.834288][   T38]  ? __pfx_kthread+0x10/0x10
[  303.834318][   T38]  ret_from_fork+0x514/0xb70
[  303.834348][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  303.834374][   T38]  ? __switch_to+0xc79/0x1410
[  303.834405][   T38]  ? __pfx_kthread+0x10/0x10
[  303.834435][   T38]  ret_from_fork_asm+0x1a/0x30
[  303.834481][   T38]  </TASK>
[  303.834499][   T38] INFO: task syz.0.16:6543 blocked for more than 143 seconds.
[  303.834515][   T38]       Not tainted syzkaller #0
[  303.834526][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  303.834536][   T38] task:syz.0.16        state:D stack:24712 pid:6543  tgid:6542  ppid:6379   task_flags:0x400140 flags:0x00080002
[  303.834590][   T38] Call Trace:
[  303.834597][   T38]  <TASK>
[  303.834609][   T38]  __schedule+0x169e/0x54f0
[  303.834637][   T38]  ? __lock_acquire+0x6b5/0x2d10
[  303.834674][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  303.834714][   T38]  ? __pfx___schedule+0x10/0x10
[  303.834747][   T38]  ? schedule+0x90/0x360
[  303.834773][   T38]  schedule+0x164/0x360
[  303.834799][   T38]  bit_wait+0x11/0xd0
[  303.834826][   T38]  __wait_on_bit+0xb9/0x300
[  303.834849][   T38]  ? __pfx_bit_wait+0x10/0x10
[  303.834878][   T38]  out_of_line_wait_on_bit+0x13b/0x190
[  303.834906][   T38]  ? __pfx_bit_wait+0x10/0x10
[  303.834906][   T38]  ? __pfx_bit_wait+0x10/0x10
[  303.834931][   T38]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  303.834959][   T38]  ? __pfx_wake_bit_function+0x10/0x10
[  303.834996][   T38]  gfs2_recover_journal+0xda/0x140
[  303.835026][   T38]  init_journal+0x16ad/0x2280
[  303.835067][   T38]  ? init_inodes+0xdb/0x320
[  303.835099][   T38]  ? __pfx_init_journal+0x10/0x10
[  303.835141][   T38]  ? snprintf+0xe8/0x140
[  303.835163][   T38]  ? init_inodes+0xdb/0x320
[  303.835191][   T38]  ? __pfx_snprintf+0x10/0x10
[  303.835212][   T38]  ? gfs2_glock_nq_num+0x13d/0x170
[  303.835246][   T38]  init_inodes+0xdb/0x320
[  303.835275][   T38]  gfs2_fill_super+0x1a92/0x2220
[  303.835319][   T38]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.835345][   T38]  ? rt_spin_unlock+0x14f/0x200
[  303.835369][   T38]  ? init_locking+0xb8/0x210
[  303.835402][   T38]  ? sb_set_blocksize+0x11b/0x210
[  303.835433][   T38]  ? setup_bdev_super+0x4c1/0x5b0
[  303.835462][   T38]  get_tree_bdev_flags+0x431/0x4f0
[  303.835489][   T38]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.835516][   T38]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.835541][   T38]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.960481][   T38]  gfs2_get_tree+0x51/0x1e0
[  303.960565][   T38]  vfs_get_tree+0x92/0x2a0
[  303.960595][   T38]  do_new_mount+0x341/0xd30
[  303.960613][   T38]  ? apparmor_capable+0x126/0x170
[  303.960647][   T38]  ? __pfx_do_new_mount+0x10/0x10
[  303.960667][   T38]  ? ns_capable+0x89/0xe0
[  303.960695][   T38]  ? user_path_at+0xd4/0x160
[  303.960722][   T38]  ? user_path_at+0xd4/0x160
[  303.960747][   T38]  __se_sys_mount+0x31d/0x420
[  303.960774][   T38]  ? __pfx___se_sys_mount+0x10/0x10
[  303.960802][   T38]  ? __x64_sys_mount+0x20/0xc0
[  303.960820][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.960842][   T38]  do_syscall_64+0x15f/0xf80
[  303.960869][   T38]  ? trace_irq_disable+0x3b/0x140
[  303.960896][   T38]  ? clear_bhb_loop+0x40/0x90
[  303.960921][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.960941][   T38] RIP: 0033:0x7f5a0aeeb30a
[  303.960960][   T38] RSP: 002b:00007f5a0a14de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.960983][   T38] RAX: ffffffffffffffda RBX: 00007f5a0a14dee0 RCX: 00007f5a0aeeb30a
[  303.960998][   T38] RDX: 0000200000037f40 RSI: 0000200000000340 RDI: 00007f5a0a14dea0
[  303.961013][   T38] RBP: 0000200000037f40 R08: 00007f5a0a14dee0 R09: 0000000001800084
[  303.961028][   T38] R10: 0000000001800084 R11: 0000000000000246 R12: 0000200000000340
[  303.961041][   T38] R13: 00007f5a0a14dea0 R14: 000000000003800a R15: 0000200000000180
[  303.961072][   T38]  </TASK>
[  304.008911][   T38] 
[  304.008911][   T38] Showing all locks held in the system:
[  304.008928][   T38] 3 locks held by pr/legacy/17:
[  304.008942][   T38]  #0: ffffffff8dfba420 (console_lock){+.+.}-{0:0}, at: legacy_kthread_func+0x1a3/0x250
[  304.009005][   T38]  #1: ffffffff8dea1d18 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfa/0xb90
[  304.009058][   T38]  #2: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[  304.009107][   T38] 1 lock held by khungtaskd/38:
[  304.009119][   T38]  #0: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  304.009203][   T38] 2 locks held by getty/5370:
[  304.009214][   T38]  #0: ffff8880326610a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  304.009263][   T38]  #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[  304.009319][   T38] 2 locks held by kworker/0:6/6288:
[  304.009330][   T38]  #0: ffff88801fbc9938 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[  304.009386][   T38]  #1: ffffc90003f77c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[  304.009436][   T38] 1 lock held by syz.0.16/6543:
[  304.009446][   T38]  #0: ffff8880112640d0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xac0
[  304.009503][   T38] 3 locks held by udevd/6551:
[  304.009514][   T38]  #0: ffff88801ceac480 (sb_writers){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[  304.009563][   T38]  #1: ffff88803a983058 (&type->i_mutex_dir_key/1){+.+.}-{4:4}, at: filename_create+0x200/0x370
[  304.009618][   T38]  #2: ffffffff8e6e9638 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_perm+0x251/0x560
[  304.009666][   T38] 2 locks held by syz.1.230/7448:
[  304.009677][   T38]  #0: ffff88801b6b2480 (sb_writers#5){.+.+}-{0:0}, at: vfs_write+0x22d/0xba0
[  304.086897][   T38]  #1: ffff88803adb8b00 (&sb->s_type->i_mutex_key#15){+.+.}-{4:4}, at: shmem_file_write_iter+0x82/0x120
[  304.096365][   T38] 
[  304.096376][   T38] =============================================
[  304.096376][   T38] 
[  304.096401][   T38] NMI backtrace for cpu 1
[  304.096417][   T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  304.096440][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  304.096453][   T38] Call Trace:
[  304.096462][   T38]  <TASK>
[  304.096470][   T38]  dump_stack_lvl+0xe8/0x150
[  304.096501][   T38]  nmi_cpu_backtrace+0x274/0x2d0
[  304.096524][   T38]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  304.096551][   T38]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  304.096575][   T38]  sys_info+0x135/0x170
[  304.096603][   T38]  watchdog+0xfd3/0x1030
[  304.096644][   T38]  ? watchdog+0x1c9/0x1030
[  304.096673][   T38]  kthread+0x388/0x470
[  304.096704][   T38]  ? __pfx_watchdog+0x10/0x10
[  304.096726][   T38]  ? __pfx_kthread+0x10/0x10
[  304.096757][   T38]  ret_from_fork+0x514/0xb70
[  304.096785][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  304.096810][   T38]  ? __switch_to+0xc79/0x1410
[  304.096834][   T38]  ? __pfx_kthread+0x10/0x10
[  304.096863][   T38]  ret_from_fork_asm+0x1a/0x30
[  304.096904][   T38]  </TASK>
[  304.096912][   T38] Sending NMI from CPU 1 to CPUs 0:
[  304.096945][    C0] NMI backtrace for cpu 0
[  304.096959][    C0] CPU: 0 UID: 0 PID: 7448 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  304.096980][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  304.096992][    C0] RIP: 0010:check_preemption_disabled+0x29/0xe0
[  304.097021][    C0] Code: 90 55 41 57 41 56 53 65 8b 05 a7 3f 48 07 65 8b 0d 9c 3f 48 07 f7 c1 ff ff ff 7f 74 0c 5b 41 5e 41 5f 5d c3 cc cc cc cc cc 9c <59> f7 c1 00 02 00 00 74 ea 65 4c 8b 3d 4e 3f 48 07 41 f6 47 2f 04
[  304.097037][    C0] RSP: 0018:ffffc90004a27788 EFLAGS: 00000046
[  304.097054][    C0] RAX: 0000000000000000 RBX: 0000000000000202 RCX: 0000000080000000
[  304.097067][    C0] RDX: 0000000000000000 RSI: ffffffff8d63a493 RDI: ffffffff8ba85de0
[  304.097080][    C0] RBP: ffffc90004a27910 R08: 0000000000000000 R09: 0000000000000000
[  304.097092][    C0] R10: 0000000000000100 R11: 0000000000000406 R12: 1ffff92000944f08
[  304.097105][    C0] R13: ffffffff8201a7dd R14: ffffffff8dfc8180 R15: ffff88802da5bd80
[  304.097120][    C0] FS:  00007f34b266e6c0(0000) GS:ffff888125f2d000(0000) knlGS:0000000000000000
[  304.097136][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  304.097148][    C0] CR2: 00007f10db4bc000 CR3: 00000000110de000 CR4: 00000000003526f0
[  304.097164][    C0] Call Trace:
[  304.097170][    C0]  <TASK>
[  304.097179][    C0]  lock_release+0xa1/0x3c0
[  304.097206][    C0]  ? filemap_get_entry+0xcd/0x3f0
[  304.097230][    C0]  ? filemap_get_entry+0xcd/0x3f0
[  304.097252][    C0]  filemap_get_entry+0x373/0x3f0
[  304.097277][    C0]  ? __pfx_filemap_get_entry+0x10/0x10
[  304.097302][    C0]  ? preempt_count_add+0x91/0x190
[  304.097323][    C0]  ? __folio_batch_add_and_move+0x6ce/0xa90
[  304.097349][    C0]  ? __pfx_lru_add+0x10/0x10
[  304.097381][    C0]  shmem_get_folio_gfp+0x30e/0x1a80
[  304.097414][    C0]  ? __pfx_shmem_get_folio_gfp+0x10/0x10
[  304.097435][    C0]  ? folio_mapping+0x16f/0x1f0
[  304.097457][    C0]  shmem_write_begin+0x166/0x320
[  304.097481][    C0]  generic_perform_write+0x2af/0x8b0
[  304.097512][    C0]  ? __pfx_generic_perform_write+0x10/0x10
[  304.097539][    C0]  ? preempt_count_add+0x91/0x190
[  304.097559][    C0]  ? mnt_put_write_access_file+0xbf/0x100
[  304.097584][    C0]  ? file_update_time_flags+0x406/0x4b0
[  304.097607][    C0]  shmem_file_write_iter+0xfb/0x120
[  304.097635][    C0]  vfs_write+0x629/0xba0
[  304.097661][    C0]  ? __pfx_vfs_write+0x10/0x10
[  304.097685][    C0]  ? __fget_files+0x2a/0x420
[  304.097709][    C0]  ksys_write+0x156/0x270
[  304.097731][    C0]  ? __pfx_ksys_write+0x10/0x10
[  304.097756][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.097776][    C0]  do_syscall_64+0x15f/0xf80
[  304.097798][    C0]  ? trace_irq_disable+0x3b/0x140
[  304.097821][    C0]  ? clear_bhb_loop+0x40/0x90
[  304.097841][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.097859][    C0] RIP: 0033:0x7f34b33ca94e
[  304.097874][    C0] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[  304.097890][    C0] RSP: 002b:00007f34b266dda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  304.097908][    C0] RAX: ffffffffffffffda RBX: 00007f34b266e6c0 RCX: 00007f34b33ca94e
[  304.097922][    C0] RDX: 0000000001000000 RSI: 00007f34aa24e000 RDI: 0000000000000003
[  304.097934][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  304.097945][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  304.097954][    C0] R13: 00007f34b266dee0 R14: 00007f34b266dea0 R15: 00007f34aa24e000
[  304.097973][    C0]  </TASK>
[  304.327150][   T38] Kernel panic - not syncing: hung_task: blocked tasks
[  304.327182][   T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  304.327206][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  304.327219][   T38] Call Trace:
[  304.327228][   T38]  <TASK>
[  304.327237][   T38]  vpanic+0x56c/0xa60
[  304.327269][   T38]  ? __pfx___schedule+0x10/0x10
[  304.327300][   T38]  ? __pfx_vpanic+0x10/0x10
[  304.327336][   T38]  panic+0xc5/0xd0
[  304.327362][   T38]  ? __pfx_panic+0x10/0x10
[  304.327390][   T38]  ? preempt_schedule_thunk+0x16/0x30
[  304.327415][   T38]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  304.327439][   T38]  watchdog+0x102c/0x1030
[  304.327473][   T38]  ? watchdog+0x1c9/0x1030
[  304.327503][   T38]  kthread+0x388/0x470
[  304.327534][   T38]  ? __pfx_watchdog+0x10/0x10
[  304.327558][   T38]  ? __pfx_kthread+0x10/0x10
[  304.327589][   T38]  ret_from_fork+0x514/0xb70
[  304.327623][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  304.327647][   T38]  ? __switch_to+0xc79/0x1410
[  304.327670][   T38]  ? __pfx_kthread+0x10/0x10
[  304.327697][   T38]  ret_from_fork_asm+0x1a/0x30
[  304.327738][   T38]  </TASK>
[  304.328102][   T38] Kernel Offset: disabled