+0x10/0x10
[  333.728204][ T6700]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  333.728241][ T6700]  gfs2_get_tree+0x51/0x1e0
[  333.728270][ T6700]  vfs_get_tree+0x92/0x2a0
[  333.728290][ T6700]  do_new_mount+0x341/0xd30
[  333.728302][ T6700]  ? apparmor_capable+0x126/0x170
[  333.728321][ T6700]  ? __pfx_do_new_mount+0x10/0x10
[  333.728334][ T6700]  ? ns_capable+0x89/0xe0
[  333.728347][ T6700]  ? user_path_at+0xd4/0x160
[  333.728363][ T6700]  ? user_path_at+0xd4/0x160
[  333.728378][ T6700]  __se_sys_mount+0x31d/0x420
[  333.728394][ T6700]  ? __pfx___se_sys_mount+0x10/0x10
[  333.728409][ T6700]  ? __x64_sys_mount+0x20/0xc0
[  333.728421][ T6700]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.728433][ T6700]  do_syscall_64+0x15f/0xf80
[  333.728445][ T6700]  ? trace_irq_disable+0x3b/0x140
[  333.728458][ T6700]  ? clear_bhb_loop+0x40/0x90
[  333.728471][ T6700]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.728482][ T6700] RIP: 0033:0x7f300fbada8a
[  333.728494][ T6700] 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
[  333.728504][ T6700] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.728516][ T6700] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  333.728524][ T6700] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  333.728532][ T6700] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  333.728539][ T6700] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  333.728546][ T6700] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  333.728562][ T6700]  </TASK>
[  333.728707][ T6700] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.728724][ T6700] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  334.247757][ T6703] loop1: detected capacity change from 0 to 32768
[  334.277006][ T6703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  334.277028][ T6703] CPU: 0 UID: 0 PID: 6703 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  334.277051][ T6703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  334.277063][ T6703] Call Trace:
[  334.277071][ T6703]  <TASK>
[  334.277079][ T6703]  dump_stack_lvl+0xe8/0x150
[  334.277107][ T6703]  sysfs_create_dir_ns+0x271/0x2a0
[  334.277131][ T6703]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  334.277160][ T6703]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  334.277186][ T6703]  ? rt_spin_unlock+0x160/0x200
[  334.277214][ T6703]  kobject_add_internal+0x631/0xd10
[  334.277245][ T6703]  kobject_init_and_add+0x12b/0x1a0
[  334.277274][ T6703]  ? __pfx_kobject_init_and_add+0x10/0x10
[  334.277301][ T6703]  ? __raw_spin_lock_init+0x45/0x100
[  334.277323][ T6703]  ? __init_swait_queue_head+0xa9/0x150
[  334.277341][ T6703]  gfs2_sys_fs_add+0x257/0x480
[  334.277354][ T6703]  ? is_dynamic_key+0x1ac/0x1c0
[  334.277368][ T6703]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  334.277385][ T6703]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  334.277406][ T6703]  gfs2_fill_super+0x141c/0x2220
[  334.277430][ T6703]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.277444][ T6703]  ? rt_spin_unlock+0x14f/0x200
[  334.277461][ T6703]  ? sb_set_blocksize+0x11b/0x210
[  334.277478][ T6703]  ? setup_bdev_super+0x4c1/0x5b0
[  334.277495][ T6703]  get_tree_bdev_flags+0x431/0x4f0
[  334.277511][ T6703]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.277527][ T6703]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  334.277541][ T6703]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  334.277562][ T6703]  gfs2_get_tree+0x51/0x1e0
[  334.277579][ T6703]  vfs_get_tree+0x92/0x2a0
[  334.277596][ T6703]  do_new_mount+0x341/0xd30
[  334.277607][ T6703]  ? apparmor_capable+0x126/0x170
[  334.277626][ T6703]  ? __pfx_do_new_mount+0x10/0x10
[  334.277638][ T6703]  ? ns_capable+0x89/0xe0
[  334.277652][ T6703]  ? user_path_at+0xd4/0x160
[  334.277667][ T6703]  ? user_path_at+0xd4/0x160
[  334.277682][ T6703]  __se_sys_mount+0x31d/0x420
[  334.277697][ T6703]  ? __pfx___se_sys_mount+0x10/0x10
[  334.277713][ T6703]  ? __x64_sys_mount+0x20/0xc0
[  334.277725][ T6703]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.277736][ T6703]  do_syscall_64+0x15f/0xf80
[  334.277748][ T6703]  ? trace_irq_disable+0x3b/0x140
[  334.277760][ T6703]  ? clear_bhb_loop+0x40/0x90
[  334.277773][ T6703]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.277784][ T6703] RIP: 0033:0x7f300fbada8a
[  334.277795][ T6703] 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
[  334.277805][ T6703] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  334.277817][ T6703] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  334.277825][ T6703] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  334.277833][ T6703] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  334.277840][ T6703] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  334.277847][ T6703] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  334.277864][ T6703]  </TASK>
[  334.277880][ T6703] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.277889][ T6703] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  334.853935][ T6706] loop1: detected capacity change from 0 to 32768
[  334.865303][ T6706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  334.865324][ T6706] CPU: 1 UID: 0 PID: 6706 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  334.865346][ T6706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  334.865357][ T6706] Call Trace:
[  334.865364][ T6706]  <TASK>
[  334.865371][ T6706]  dump_stack_lvl+0xe8/0x150
[  334.865399][ T6706]  sysfs_create_dir_ns+0x271/0x2a0
[  334.865424][ T6706]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  334.865458][ T6706]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  334.865485][ T6706]  ? rt_spin_unlock+0x160/0x200
[  334.865515][ T6706]  kobject_add_internal+0x631/0xd10
[  334.865548][ T6706]  kobject_init_and_add+0x12b/0x1a0
[  334.865578][ T6706]  ? __pfx_kobject_init_and_add+0x10/0x10
[  334.865610][ T6706]  ? __raw_spin_lock_init+0x45/0x100
[  334.865634][ T6706]  ? __init_swait_queue_head+0xa9/0x150
[  334.865660][ T6706]  gfs2_sys_fs_add+0x257/0x480
[  334.865684][ T6706]  ? is_dynamic_key+0x1ac/0x1c0
[  334.865708][ T6706]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  334.865740][ T6706]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  334.865780][ T6706]  gfs2_fill_super+0x141c/0x2220
[  334.865830][ T6706]  ? __pfx_gfs2_fill_super+0x10/0x10
2026/04/18 20:50:36 executed programs: 220
[  334.865861][ T6706]  ? rt_spin_unlock+0x14f/0x200
[  334.865892][ T6706]  ? sb_set_blocksize+0x11b/0x210
[  334.865922][ T6706]  ? setup_bdev_super+0x4c1/0x5b0
[  334.865953][ T6706]  get_tree_bdev_flags+0x431/0x4f0
[  334.865982][ T6706]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.866010][ T6706]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  334.866036][ T6706]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  334.866074][ T6706]  gfs2_get_tree+0x51/0x1e0
[  334.866104][ T6706]  vfs_get_tree+0x92/0x2a0
[  334.866135][ T6706]  do_new_mount+0x341/0xd30
[  334.866155][ T6706]  ? apparmor_capable+0x126/0x170
[  334.866189][ T6706]  ? __pfx_do_new_mount+0x10/0x10
[  334.866212][ T6706]  ? ns_capable+0x89/0xe0
[  334.866236][ T6706]  ? user_path_at+0xd4/0x160
[  334.866265][ T6706]  ? user_path_at+0xd4/0x160
[  334.866292][ T6706]  __se_sys_mount+0x31d/0x420
[  334.866320][ T6706]  ? __pfx___se_sys_mount+0x10/0x10
[  334.866350][ T6706]  ? __x64_sys_mount+0x20/0xc0
[  334.866372][ T6706]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.866393][ T6706]  do_syscall_64+0x15f/0xf80
[  334.866414][ T6706]  ? trace_irq_disable+0x3b/0x140
[  334.866436][ T6706]  ? clear_bhb_loop+0x40/0x90
[  334.866460][ T6706]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.866479][ T6706] RIP: 0033:0x7f300fbada8a
[  334.866497][ T6706] 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
[  334.866514][ T6706] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  334.866534][ T6706] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  334.866549][ T6706] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  334.866562][ T6706] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  334.866576][ T6706] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  334.866589][ T6706] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  334.866620][ T6706]  </TASK>
[  334.870933][ T6706] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.870954][ T6706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.448843][ T6709] loop1: detected capacity change from 0 to 32768
[  335.451925][ T6709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.451946][ T6709] CPU: 0 UID: 0 PID: 6709 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  335.451969][ T6709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  335.451980][ T6709] Call Trace:
[  335.451988][ T6709]  <TASK>
[  335.451997][ T6709]  dump_stack_lvl+0xe8/0x150
[  335.452026][ T6709]  sysfs_create_dir_ns+0x271/0x2a0
[  335.452051][ T6709]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  335.452082][ T6709]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  335.452109][ T6709]  ? rt_spin_unlock+0x160/0x200
[  335.452136][ T6709]  kobject_add_internal+0x631/0xd10
[  335.452168][ T6709]  kobject_init_and_add+0x12b/0x1a0
[  335.452199][ T6709]  ? __pfx_kobject_init_and_add+0x10/0x10
[  335.452225][ T6709]  ? __raw_spin_lock_init+0x45/0x100
[  335.452249][ T6709]  ? __init_swait_queue_head+0xa9/0x150
[  335.452274][ T6709]  gfs2_sys_fs_add+0x257/0x480
[  335.452297][ T6709]  ? is_dynamic_key+0x1ac/0x1c0
[  335.452320][ T6709]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  335.452351][ T6709]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  335.452389][ T6709]  gfs2_fill_super+0x141c/0x2220
[  335.452432][ T6709]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.452458][ T6709]  ? rt_spin_unlock+0x14f/0x200
[  335.452487][ T6709]  ? sb_set_blocksize+0x11b/0x210
[  335.452517][ T6709]  ? setup_bdev_super+0x4c1/0x5b0
[  335.452548][ T6709]  get_tree_bdev_flags+0x431/0x4f0
[  335.452576][ T6709]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.452604][ T6709]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  335.452629][ T6709]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  335.452668][ T6709]  gfs2_get_tree+0x51/0x1e0
[  335.452697][ T6709]  vfs_get_tree+0x92/0x2a0
[  335.452727][ T6709]  do_new_mount+0x341/0xd30
[  335.452748][ T6709]  ? apparmor_capable+0x126/0x170
[  335.452780][ T6709]  ? __pfx_do_new_mount+0x10/0x10
[  335.452811][ T6709]  ? ns_capable+0x89/0xe0
[  335.452834][ T6709]  ? user_path_at+0xd4/0x160
[  335.452864][ T6709]  ? user_path_at+0xd4/0x160
[  335.452891][ T6709]  __se_sys_mount+0x31d/0x420
[  335.452920][ T6709]  ? __pfx___se_sys_mount+0x10/0x10
[  335.452949][ T6709]  ? __x64_sys_mount+0x20/0xc0
[  335.452971][ T6709]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.452993][ T6709]  do_syscall_64+0x15f/0xf80
[  335.453013][ T6709]  ? trace_irq_disable+0x3b/0x140
[  335.453034][ T6709]  ? clear_bhb_loop+0x40/0x90
[  335.453059][ T6709]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.453078][ T6709] RIP: 0033:0x7f300fbada8a
[  335.453096][ T6709] 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
[  335.453113][ T6709] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.453134][ T6709] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  335.453152][ T6709] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  335.453167][ T6709] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  335.453180][ T6709] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  335.453193][ T6709] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  335.453223][ T6709]  </TASK>
[  335.453307][ T6709] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.453324][ T6709] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.996915][ T6712] loop1: detected capacity change from 0 to 32768
[  336.000831][ T6712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.000854][ T6712] CPU: 0 UID: 0 PID: 6712 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  336.000876][ T6712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  336.000888][ T6712] Call Trace:
[  336.000896][ T6712]  <TASK>
[  336.000904][ T6712]  dump_stack_lvl+0xe8/0x150
[  336.000933][ T6712]  sysfs_create_dir_ns+0x271/0x2a0
[  336.000958][ T6712]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  336.000987][ T6712]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  336.001014][ T6712]  ? rt_spin_unlock+0x160/0x200
[  336.001051][ T6712]  kobject_add_internal+0x631/0xd10
[  336.001082][ T6712]  kobject_init_and_add+0x12b/0x1a0
[  336.001112][ T6712]  ? __pfx_kobject_init_and_add+0x10/0x10
[  336.001139][ T6712]  ? __raw_spin_lock_init+0x45/0x100
[  336.001163][ T6712]  ? __init_swait_queue_head+0xa9/0x150
[  336.001187][ T6712]  gfs2_sys_fs_add+0x257/0x480
[  336.001211][ T6712]  ? is_dynamic_key+0x1ac/0x1c0
[  336.001236][ T6712]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  336.001267][ T6712]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  336.001310][ T6712]  gfs2_fill_super+0x141c/0x2220
[  336.001354][ T6712]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.001380][ T6712]  ? rt_spin_unlock+0x14f/0x200
[  336.001411][ T6712]  ? sb_set_blocksize+0x11b/0x210
[  336.001441][ T6712]  ? setup_bdev_super+0x4c1/0x5b0
[  336.001472][ T6712]  get_tree_bdev_flags+0x431/0x4f0
[  336.001501][ T6712]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.001528][ T6712]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  336.001551][ T6712]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  336.001580][ T6712]  gfs2_get_tree+0x51/0x1e0
[  336.001603][ T6712]  vfs_get_tree+0x92/0x2a0
[  336.001624][ T6712]  do_new_mount+0x341/0xd30
[  336.001639][ T6712]  ? apparmor_capable+0x126/0x170
[  336.001664][ T6712]  ? __pfx_do_new_mount+0x10/0x10
[  336.001680][ T6712]  ? ns_capable+0x89/0xe0
[  336.001697][ T6712]  ? user_path_at+0xd4/0x160
[  336.001718][ T6712]  ? user_path_at+0xd4/0x160
[  336.001737][ T6712]  __se_sys_mount+0x31d/0x420
[  336.001758][ T6712]  ? __pfx___se_sys_mount+0x10/0x10
[  336.001781][ T6712]  ? __x64_sys_mount+0x20/0xc0
[  336.001796][ T6712]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.001812][ T6712]  do_syscall_64+0x15f/0xf80
[  336.001827][ T6712]  ? trace_irq_disable+0x3b/0x140
[  336.001843][ T6712]  ? clear_bhb_loop+0x40/0x90
[  336.001861][ T6712]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.001875][ T6712] RIP: 0033:0x7f300fbada8a
[  336.001890][ T6712] 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
[  336.001903][ T6712] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.001920][ T6712] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  336.001931][ T6712] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  336.001941][ T6712] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  336.001952][ T6712] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  336.001961][ T6712] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  336.001984][ T6712]  </TASK>
[  336.002025][ T6712] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.002037][ T6712] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.549276][ T6715] loop1: detected capacity change from 0 to 32768
[  336.571537][ T6715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.571558][ T6715] CPU: 0 UID: 0 PID: 6715 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  336.571598][ T6715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  336.571609][ T6715] Call Trace:
[  336.571617][ T6715]  <TASK>
[  336.571626][ T6715]  dump_stack_lvl+0xe8/0x150
[  336.571654][ T6715]  sysfs_create_dir_ns+0x271/0x2a0
[  336.571677][ T6715]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  336.571707][ T6715]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  336.571732][ T6715]  ? rt_spin_unlock+0x160/0x200
[  336.571761][ T6715]  kobject_add_internal+0x631/0xd10
[  336.571795][ T6715]  kobject_init_and_add+0x12b/0x1a0
[  336.571825][ T6715]  ? __pfx_kobject_init_and_add+0x10/0x10
[  336.571852][ T6715]  ? __raw_spin_lock_init+0x45/0x100
[  336.571876][ T6715]  ? __init_swait_queue_head+0xa9/0x150
[  336.571903][ T6715]  gfs2_sys_fs_add+0x257/0x480
[  336.571924][ T6715]  ? is_dynamic_key+0x1ac/0x1c0
[  336.571949][ T6715]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  336.571987][ T6715]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  336.572027][ T6715]  gfs2_fill_super+0x141c/0x2220
[  336.572070][ T6715]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.572096][ T6715]  ? rt_spin_unlock+0x14f/0x200
[  336.572126][ T6715]  ? sb_set_blocksize+0x11b/0x210
[  336.572155][ T6715]  ? setup_bdev_super+0x4c1/0x5b0
[  336.572189][ T6715]  get_tree_bdev_flags+0x431/0x4f0
[  336.572219][ T6715]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.572248][ T6715]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  336.572275][ T6715]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  336.572310][ T6715]  gfs2_get_tree+0x51/0x1e0
[  336.572340][ T6715]  vfs_get_tree+0x92/0x2a0
[  336.572370][ T6715]  do_new_mount+0x341/0xd30
[  336.572390][ T6715]  ? apparmor_capable+0x126/0x170
[  336.572421][ T6715]  ? __pfx_do_new_mount+0x10/0x10
[  336.572442][ T6715]  ? ns_capable+0x89/0xe0
[  336.572467][ T6715]  ? user_path_at+0xd4/0x160
[  336.572495][ T6715]  ? user_path_at+0xd4/0x160
[  336.572522][ T6715]  __se_sys_mount+0x31d/0x420
[  336.572551][ T6715]  ? __pfx___se_sys_mount+0x10/0x10
[  336.572580][ T6715]  ? __x64_sys_mount+0x20/0xc0
[  336.572601][ T6715]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.572622][ T6715]  do_syscall_64+0x15f/0xf80
[  336.572643][ T6715]  ? trace_irq_disable+0x3b/0x140
[  336.572666][ T6715]  ? clear_bhb_loop+0x40/0x90
[  336.572690][ T6715]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.572709][ T6715] RIP: 0033:0x7f300fbada8a
[  336.572727][ T6715] 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
[  336.572743][ T6715] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.572764][ T6715] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  336.572779][ T6715] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  336.572793][ T6715] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  336.572807][ T6715] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  336.572820][ T6715] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  336.572853][ T6715]  </TASK>
[  336.572890][ T6715] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.572905][ T6715] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.078249][ T6718] loop1: detected capacity change from 0 to 32768
[  337.092042][ T6718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.092063][ T6718] CPU: 1 UID: 0 PID: 6718 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  337.092084][ T6718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  337.092096][ T6718] Call Trace:
[  337.092104][ T6718]  <TASK>
[  337.092112][ T6718]  dump_stack_lvl+0xe8/0x150
[  337.092140][ T6718]  sysfs_create_dir_ns+0x271/0x2a0
[  337.092165][ T6718]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  337.092193][ T6718]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  337.092217][ T6718]  ? rt_spin_unlock+0x160/0x200
[  337.092245][ T6718]  kobject_add_internal+0x631/0xd10
[  337.092278][ T6718]  kobject_init_and_add+0x12b/0x1a0
[  337.092308][ T6718]  ? __pfx_kobject_init_and_add+0x10/0x10
[  337.092334][ T6718]  ? __raw_spin_lock_init+0x45/0x100
[  337.092357][ T6718]  ? __init_swait_queue_head+0xa9/0x150
[  337.092381][ T6718]  gfs2_sys_fs_add+0x257/0x480
[  337.092404][ T6718]  ? is_dynamic_key+0x1ac/0x1c0
[  337.092429][ T6718]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  337.092458][ T6718]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  337.092500][ T6718]  gfs2_fill_super+0x141c/0x2220
[  337.092544][ T6718]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.092569][ T6718]  ? rt_spin_unlock+0x14f/0x200
[  337.092598][ T6718]  ? sb_set_blocksize+0x11b/0x210
[  337.092625][ T6718]  ? setup_bdev_super+0x4c1/0x5b0
[  337.092655][ T6718]  get_tree_bdev_flags+0x431/0x4f0
[  337.092683][ T6718]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.092717][ T6718]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  337.092742][ T6718]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  337.092779][ T6718]  gfs2_get_tree+0x51/0x1e0
[  337.092809][ T6718]  vfs_get_tree+0x92/0x2a0
[  337.092839][ T6718]  do_new_mount+0x341/0xd30
[  337.092859][ T6718]  ? apparmor_capable+0x126/0x170
[  337.092893][ T6718]  ? __pfx_do_new_mount+0x10/0x10
[  337.092916][ T6718]  ? ns_capable+0x89/0xe0
[  337.092941][ T6718]  ? user_path_at+0xd4/0x160
[  337.092969][ T6718]  ? user_path_at+0xd4/0x160
[  337.092997][ T6718]  __se_sys_mount+0x31d/0x420
[  337.093026][ T6718]  ? __pfx___se_sys_mount+0x10/0x10
[  337.093054][ T6718]  ? __x64_sys_mount+0x20/0xc0
[  337.093076][ T6718]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.093098][ T6718]  do_syscall_64+0x15f/0xf80
[  337.093119][ T6718]  ? trace_irq_disable+0x3b/0x140
[  337.093142][ T6718]  ? clear_bhb_loop+0x40/0x90
[  337.093165][ T6718]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.093185][ T6718] RIP: 0033:0x7f300fbada8a
[  337.093204][ T6718] 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
[  337.093221][ T6718] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.093243][ T6718] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  337.093258][ T6718] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  337.093272][ T6718] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  337.093286][ T6718] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  337.093299][ T6718] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  337.093330][ T6718]  </TASK>
[  337.094419][ T6718] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.094438][ T6718] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.677264][ T6721] loop1: detected capacity change from 0 to 32768
[  337.684518][ T6721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.684540][ T6721] CPU: 1 UID: 0 PID: 6721 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  337.684563][ T6721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  337.684575][ T6721] Call Trace:
[  337.684583][ T6721]  <TASK>
[  337.684591][ T6721]  dump_stack_lvl+0xe8/0x150
[  337.684620][ T6721]  sysfs_create_dir_ns+0x271/0x2a0
[  337.684655][ T6721]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  337.684685][ T6721]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  337.684718][ T6721]  ? rt_spin_unlock+0x160/0x200
[  337.684749][ T6721]  kobject_add_internal+0x631/0xd10
[  337.684783][ T6721]  kobject_init_and_add+0x12b/0x1a0
[  337.684812][ T6721]  ? __pfx_kobject_init_and_add+0x10/0x10
[  337.684839][ T6721]  ? __raw_spin_lock_init+0x45/0x100
[  337.684867][ T6721]  ? __init_swait_queue_head+0xa9/0x150
[  337.684891][ T6721]  gfs2_sys_fs_add+0x257/0x480
[  337.684913][ T6721]  ? is_dynamic_key+0x1ac/0x1c0
[  337.684938][ T6721]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  337.684970][ T6721]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  337.685009][ T6721]  gfs2_fill_super+0x141c/0x2220
[  337.685053][ T6721]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.685079][ T6721]  ? rt_spin_unlock+0x14f/0x200
[  337.685109][ T6721]  ? sb_set_blocksize+0x11b/0x210
[  337.685138][ T6721]  ? setup_bdev_super+0x4c1/0x5b0
[  337.685168][ T6721]  get_tree_bdev_flags+0x431/0x4f0
[  337.685197][ T6721]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.685225][ T6721]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  337.685251][ T6721]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  337.685288][ T6721]  gfs2_get_tree+0x51/0x1e0
[  337.685320][ T6721]  vfs_get_tree+0x92/0x2a0
[  337.685350][ T6721]  do_new_mount+0x341/0xd30
[  337.685370][ T6721]  ? apparmor_capable+0x126/0x170
[  337.685404][ T6721]  ? __pfx_do_new_mount+0x10/0x10
[  337.685427][ T6721]  ? ns_capable+0x89/0xe0
[  337.685451][ T6721]  ? user_path_at+0xd4/0x160
[  337.685480][ T6721]  ? user_path_at+0xd4/0x160
[  337.685507][ T6721]  __se_sys_mount+0x31d/0x420
[  337.685536][ T6721]  ? __pfx___se_sys_mount+0x10/0x10
[  337.685564][ T6721]  ? __x64_sys_mount+0x20/0xc0
[  337.685585][ T6721]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.685606][ T6721]  do_syscall_64+0x15f/0xf80
[  337.685627][ T6721]  ? trace_irq_disable+0x3b/0x140
[  337.685657][ T6721]  ? clear_bhb_loop+0x40/0x90
[  337.685680][ T6721]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.685700][ T6721] RIP: 0033:0x7f300fbada8a
[  337.685719][ T6721] 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
[  337.685736][ T6721] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.685757][ T6721] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  337.685772][ T6721] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  337.685787][ T6721] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  337.685801][ T6721] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  337.685814][ T6721] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  337.685845][ T6721]  </TASK>
[  337.702669][ T6721] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.702689][ T6721] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.240169][ T6724] loop1: detected capacity change from 0 to 32768
[  338.253646][ T6724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.253667][ T6724] CPU: 1 UID: 0 PID: 6724 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  338.253690][ T6724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  338.253701][ T6724] Call Trace:
[  338.253709][ T6724]  <TASK>
[  338.253717][ T6724]  dump_stack_lvl+0xe8/0x150
[  338.253745][ T6724]  sysfs_create_dir_ns+0x271/0x2a0
[  338.253769][ T6724]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  338.253799][ T6724]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  338.253826][ T6724]  ? rt_spin_unlock+0x160/0x200
[  338.253854][ T6724]  kobject_add_internal+0x631/0xd10
[  338.253885][ T6724]  kobject_init_and_add+0x12b/0x1a0
[  338.253913][ T6724]  ? __pfx_kobject_init_and_add+0x10/0x10
[  338.253938][ T6724]  ? __raw_spin_lock_init+0x45/0x100
[  338.253961][ T6724]  ? __init_swait_queue_head+0xa9/0x150
[  338.253985][ T6724]  gfs2_sys_fs_add+0x257/0x480
[  338.254008][ T6724]  ? is_dynamic_key+0x1ac/0x1c0
[  338.254031][ T6724]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  338.254061][ T6724]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  338.254098][ T6724]  gfs2_fill_super+0x141c/0x2220
[  338.254140][ T6724]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.254167][ T6724]  ? rt_spin_unlock+0x14f/0x200
[  338.254199][ T6724]  ? sb_set_blocksize+0x11b/0x210
[  338.254228][ T6724]  ? setup_bdev_super+0x4c1/0x5b0
[  338.254258][ T6724]  get_tree_bdev_flags+0x431/0x4f0
[  338.254287][ T6724]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.254315][ T6724]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  338.254341][ T6724]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  338.254379][ T6724]  gfs2_get_tree+0x51/0x1e0
[  338.254410][ T6724]  vfs_get_tree+0x92/0x2a0
[  338.254440][ T6724]  do_new_mount+0x341/0xd30
[  338.254461][ T6724]  ? apparmor_capable+0x126/0x170
[  338.254493][ T6724]  ? __pfx_do_new_mount+0x10/0x10
[  338.254515][ T6724]  ? ns_capable+0x89/0xe0
[  338.254540][ T6724]  ? user_path_at+0xd4/0x160
[  338.254567][ T6724]  ? user_path_at+0xd4/0x160
[  338.254603][ T6724]  __se_sys_mount+0x31d/0x420
[  338.254631][ T6724]  ? __pfx___se_sys_mount+0x10/0x10
[  338.254659][ T6724]  ? __x64_sys_mount+0x20/0xc0
[  338.254682][ T6724]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.254703][ T6724]  do_syscall_64+0x15f/0xf80
[  338.254724][ T6724]  ? trace_irq_disable+0x3b/0x140
[  338.254746][ T6724]  ? clear_bhb_loop+0x40/0x90
[  338.254770][ T6724]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.254790][ T6724] RIP: 0033:0x7f300fbada8a
[  338.254809][ T6724] 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
[  338.254825][ T6724] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.254850][ T6724] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  338.254865][ T6724] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  338.254878][ T6724] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  338.254890][ T6724] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  338.254902][ T6724] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  338.254929][ T6724]  </TASK>
[  338.325985][ T6724] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.326006][ T6724] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.832033][ T6727] loop1: detected capacity change from 0 to 32768
[  338.845226][ T6727] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.845248][ T6727] CPU: 1 UID: 0 PID: 6727 Comm: syz.1.241 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  338.845276][ T6727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  338.845287][ T6727] Call Trace:
[  338.845295][ T6727]  <TASK>
[  338.845303][ T6727]  dump_stack_lvl+0xe8/0x150
[  338.845332][ T6727]  sysfs_create_dir_ns+0x271/0x2a0
[  338.845357][ T6727]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  338.845387][ T6727]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  338.845414][ T6727]  ? rt_spin_unlock+0x160/0x200
[  338.845440][ T6727]  kobject_add_internal+0x631/0xd10
[  338.845472][ T6727]  kobject_init_and_add+0x12b/0x1a0
[  338.845500][ T6727]  ? __pfx_kobject_init_and_add+0x10/0x10
[  338.845527][ T6727]  ? __raw_spin_lock_init+0x45/0x100
[  338.845559][ T6727]  ? __init_swait_queue_head+0xa9/0x150
[  338.845583][ T6727]  gfs2_sys_fs_add+0x257/0x480
[  338.845605][ T6727]  ? is_dynamic_key+0x1ac/0x1c0
[  338.845629][ T6727]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  338.845659][ T6727]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  338.845696][ T6727]  gfs2_fill_super+0x141c/0x2220
[  338.845739][ T6727]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.845764][ T6727]  ? rt_spin_unlock+0x14f/0x200
[  338.845794][ T6727]  ? sb_set_blocksize+0x11b/0x210
[  338.845822][ T6727]  ? setup_bdev_super+0x4c1/0x5b0
[  338.845851][ T6727]  get_tree_bdev_flags+0x431/0x4f0
[  338.845880][ T6727]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.845907][ T6727]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  338.845933][ T6727]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  338.845969][ T6727]  gfs2_get_tree+0x51/0x1e0
[  338.845999][ T6727]  vfs_get_tree+0x92/0x2a0
[  338.846030][ T6727]  do_new_mount+0x341/0xd30
[  338.846051][ T6727]  ? apparmor_capable+0x126/0x170
[  338.846085][ T6727]  ? __pfx_do_new_mount+0x10/0x10
[  338.846108][ T6727]  ? ns_capable+0x89/0xe0
[  338.846133][ T6727]  ? user_path_at+0xd4/0x160
[  338.846160][ T6727]  ? user_path_at+0xd4/0x160
[  338.846186][ T6727]  __se_sys_mount+0x31d/0x420
[  338.846216][ T6727]  ? __pfx___se_sys_mount+0x10/0x10
[  338.846243][ T6727]  ? __x64_sys_mount+0x20/0xc0
[  338.846264][ T6727]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.846285][ T6727]  do_syscall_64+0x15f/0xf80
[  338.846310][ T6727]  ? trace_irq_disable+0x3b/0x140
[  338.846333][ T6727]  ? clear_bhb_loop+0x40/0x90
[  338.846357][ T6727]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.846376][ T6727] RIP: 0033:0x7f300fbada8a
[  338.846395][ T6727] 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
[  338.846411][ T6727] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.846432][ T6727] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  338.846447][ T6727] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  338.846461][ T6727] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  338.846474][ T6727] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  338.846487][ T6727] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  338.846518][ T6727]  </TASK>
[  338.848269][ T6727] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.848289][ T6727] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.405118][ T6730] loop1: detected capacity change from 0 to 32768
[  339.409536][ T6730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.409558][ T6730] CPU: 0 UID: 0 PID: 6730 Comm: syz.1.242 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  339.409579][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  339.409590][ T6730] Call Trace:
[  339.409597][ T6730]  <TASK>
[  339.409604][ T6730]  dump_stack_lvl+0xe8/0x150
[  339.409631][ T6730]  sysfs_create_dir_ns+0x271/0x2a0
[  339.409654][ T6730]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  339.409682][ T6730]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  339.409709][ T6730]  ? rt_spin_unlock+0x160/0x200
[  339.409738][ T6730]  kobject_add_internal+0x631/0xd10
[  339.409777][ T6730]  kobject_init_and_add+0x12b/0x1a0
[  339.409803][ T6730]  ? __pfx_kobject_init_and_add+0x10/0x10
[  339.409828][ T6730]  ? __raw_spin_lock_init+0x45/0x100
[  339.409851][ T6730]  ? __init_swait_queue_head+0xa9/0x150
[  339.409876][ T6730]  gfs2_sys_fs_add+0x257/0x480
[  339.409898][ T6730]  ? is_dynamic_key+0x1ac/0x1c0
[  339.409918][ T6730]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  339.409948][ T6730]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  339.409984][ T6730]  gfs2_fill_super+0x141c/0x2220
[  339.410025][ T6730]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.410049][ T6730]  ? rt_spin_unlock+0x14f/0x200
[  339.410076][ T6730]  ? sb_set_blocksize+0x11b/0x210
[  339.410103][ T6730]  ? setup_bdev_super+0x4c1/0x5b0
[  339.410133][ T6730]  get_tree_bdev_flags+0x431/0x4f0
[  339.410162][ T6730]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.410189][ T6730]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  339.410212][ T6730]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  339.410248][ T6730]  gfs2_get_tree+0x51/0x1e0
[  339.410278][ T6730]  vfs_get_tree+0x92/0x2a0
[  339.410305][ T6730]  do_new_mount+0x341/0xd30
[  339.410324][ T6730]  ? apparmor_capable+0x126/0x170
[  339.410355][ T6730]  ? __pfx_do_new_mount+0x10/0x10
[  339.410376][ T6730]  ? ns_capable+0x89/0xe0
[  339.410399][ T6730]  ? user_path_at+0xd4/0x160
[  339.410427][ T6730]  ? user_path_at+0xd4/0x160
[  339.410455][ T6730]  __se_sys_mount+0x31d/0x420
[  339.410484][ T6730]  ? __pfx___se_sys_mount+0x10/0x10
[  339.410511][ T6730]  ? __x64_sys_mount+0x20/0xc0
[  339.410532][ T6730]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.410552][ T6730]  do_syscall_64+0x15f/0xf80
[  339.410573][ T6730]  ? trace_irq_disable+0x3b/0x140
[  339.410594][ T6730]  ? clear_bhb_loop+0x40/0x90
[  339.410617][ T6730]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.410635][ T6730] RIP: 0033:0x7f300fbada8a
[  339.410654][ T6730] 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
[  339.410670][ T6730] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.410691][ T6730] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  339.410705][ T6730] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  339.410719][ T6730] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  339.410732][ T6730] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  339.410753][ T6730] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  339.410784][ T6730]  </TASK>
[  339.410810][ T6730] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.410826][ T6730] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.951707][ T6733] loop1: detected capacity change from 0 to 32768
[  339.967001][ T6733] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.967022][ T6733] CPU: 1 UID: 0 PID: 6733 Comm: syz.1.243 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  339.967045][ T6733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  339.967058][ T6733] Call Trace:
[  339.967066][ T6733]  <TASK>
[  339.967074][ T6733]  dump_stack_lvl+0xe8/0x150
[  339.967103][ T6733]  sysfs_create_dir_ns+0x271/0x2a0
[  339.967126][ T6733]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  339.967155][ T6733]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  339.967181][ T6733]  ? rt_spin_unlock+0x160/0x200
[  339.967208][ T6733]  kobject_add_internal+0x631/0xd10
[  339.967240][ T6733]  kobject_init_and_add+0x12b/0x1a0
[  339.967269][ T6733]  ? __pfx_kobject_init_and_add+0x10/0x10
2026/04/18 20:50:41 executed programs: 229
[  339.967295][ T6733]  ? __raw_spin_lock_init+0x45/0x100
[  339.967318][ T6733]  ? __init_swait_queue_head+0xa9/0x150
[  339.967343][ T6733]  gfs2_sys_fs_add+0x257/0x480
[  339.967366][ T6733]  ? is_dynamic_key+0x1ac/0x1c0
[  339.967390][ T6733]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  339.967420][ T6733]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  339.967462][ T6733]  gfs2_fill_super+0x141c/0x2220
[  339.967512][ T6733]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.967538][ T6733]  ? rt_spin_unlock+0x14f/0x200
[  339.967569][ T6733]  ? sb_set_blocksize+0x11b/0x210
[  339.967599][ T6733]  ? setup_bdev_super+0x4c1/0x5b0
[  339.967627][ T6733]  get_tree_bdev_flags+0x431/0x4f0
[  339.967655][ T6733]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.967682][ T6733]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  339.967709][ T6733]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  339.967746][ T6733]  gfs2_get_tree+0x51/0x1e0
[  339.967778][ T6733]  vfs_get_tree+0x92/0x2a0
[  339.967807][ T6733]  do_new_mount+0x341/0xd30
[  339.967827][ T6733]  ? apparmor_capable+0x126/0x170
[  339.967860][ T6733]  ? __pfx_do_new_mount+0x10/0x10
[  339.967881][ T6733]  ? ns_capable+0x89/0xe0
[  339.967905][ T6733]  ? user_path_at+0xd4/0x160
[  339.967933][ T6733]  ? user_path_at+0xd4/0x160
[  339.967959][ T6733]  __se_sys_mount+0x31d/0x420
[  339.967987][ T6733]  ? __pfx___se_sys_mount+0x10/0x10
[  339.968015][ T6733]  ? __x64_sys_mount+0x20/0xc0
[  339.968038][ T6733]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.968059][ T6733]  do_syscall_64+0x15f/0xf80
[  339.968080][ T6733]  ? trace_irq_disable+0x3b/0x140
[  339.968102][ T6733]  ? clear_bhb_loop+0x40/0x90
[  339.968125][ T6733]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.968144][ T6733] RIP: 0033:0x7f300fbada8a
[  339.968163][ T6733] 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
[  339.968180][ T6733] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.968201][ T6733] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  339.968216][ T6733] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  339.968230][ T6733] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  339.968244][ T6733] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  339.968257][ T6733] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  339.968286][ T6733]  </TASK>
[  339.987650][ T6733] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.987671][ T6733] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  340.510973][ T6736] loop1: detected capacity change from 0 to 32768
[  340.518906][ T6736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  340.518927][ T6736] CPU: 1 UID: 0 PID: 6736 Comm: syz.1.244 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  340.518948][ T6736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  340.518960][ T6736] Call Trace:
[  340.518967][ T6736]  <TASK>
[  340.518975][ T6736]  dump_stack_lvl+0xe8/0x150
[  340.519003][ T6736]  sysfs_create_dir_ns+0x271/0x2a0
[  340.519028][ T6736]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  340.519057][ T6736]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  340.519082][ T6736]  ? rt_spin_unlock+0x160/0x200
[  340.519110][ T6736]  kobject_add_internal+0x631/0xd10
[  340.519142][ T6736]  kobject_init_and_add+0x12b/0x1a0
[  340.519170][ T6736]  ? __pfx_kobject_init_and_add+0x10/0x10
[  340.519196][ T6736]  ? __raw_spin_lock_init+0x45/0x100
[  340.519218][ T6736]  ? __init_swait_queue_head+0xa9/0x150
[  340.519243][ T6736]  gfs2_sys_fs_add+0x257/0x480
[  340.519265][ T6736]  ? is_dynamic_key+0x1ac/0x1c0
[  340.519288][ T6736]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  340.519319][ T6736]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  340.519356][ T6736]  gfs2_fill_super+0x141c/0x2220
[  340.519400][ T6736]  ? __pfx_gfs2_fill_super+0x10/0x10
[  340.519425][ T6736]  ? rt_spin_unlock+0x14f/0x200
[  340.519454][ T6736]  ? sb_set_blocksize+0x11b/0x210
[  340.519482][ T6736]  ? setup_bdev_super+0x4c1/0x5b0
[  340.519511][ T6736]  get_tree_bdev_flags+0x431/0x4f0
[  340.519545][ T6736]  ? __pfx_gfs2_fill_super+0x10/0x10
[  340.519572][ T6736]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  340.519597][ T6736]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  340.519633][ T6736]  gfs2_get_tree+0x51/0x1e0
[  340.519664][ T6736]  vfs_get_tree+0x92/0x2a0
[  340.519693][ T6736]  do_new_mount+0x341/0xd30
[  340.519712][ T6736]  ? apparmor_capable+0x126/0x170
[  340.519745][ T6736]  ? __pfx_do_new_mount+0x10/0x10
[  340.519767][ T6736]  ? ns_capable+0x89/0xe0
[  340.519790][ T6736]  ? user_path_at+0xd4/0x160
[  340.519816][ T6736]  ? user_path_at+0xd4/0x160
[  340.519843][ T6736]  __se_sys_mount+0x31d/0x420
[  340.519870][ T6736]  ? __pfx___se_sys_mount+0x10/0x10
[  340.519898][ T6736]  ? __x64_sys_mount+0x20/0xc0
[  340.519919][ T6736]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.519939][ T6736]  do_syscall_64+0x15f/0xf80
[  340.519959][ T6736]  ? trace_irq_disable+0x3b/0x140
[  340.519980][ T6736]  ? clear_bhb_loop+0x40/0x90
[  340.520003][ T6736]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.520022][ T6736] RIP: 0033:0x7f300fbada8a
[  340.520040][ T6736] 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
[  340.520057][ T6736] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  340.520077][ T6736] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  340.520092][ T6736] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  340.520106][ T6736] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  340.520119][ T6736] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  340.520130][ T6736] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  340.520160][ T6736]  </TASK>
[  340.520235][ T6736] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  340.520250][ T6736] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.075875][ T6739] loop1: detected capacity change from 0 to 32768
[  341.079432][ T6739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.079452][ T6739] CPU: 0 UID: 0 PID: 6739 Comm: syz.1.245 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  341.079473][ T6739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  341.079485][ T6739] Call Trace:
[  341.079493][ T6739]  <TASK>
[  341.079501][ T6739]  dump_stack_lvl+0xe8/0x150
[  341.079530][ T6739]  sysfs_create_dir_ns+0x271/0x2a0
[  341.079553][ T6739]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  341.079583][ T6739]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  341.079610][ T6739]  ? rt_spin_unlock+0x160/0x200
[  341.079638][ T6739]  kobject_add_internal+0x631/0xd10
[  341.079672][ T6739]  kobject_init_and_add+0x12b/0x1a0
[  341.079702][ T6739]  ? __pfx_kobject_init_and_add+0x10/0x10
[  341.079729][ T6739]  ? __raw_spin_lock_init+0x45/0x100
[  341.079753][ T6739]  ? __init_swait_queue_head+0xa9/0x150
[  341.079777][ T6739]  gfs2_sys_fs_add+0x257/0x480
[  341.079798][ T6739]  ? is_dynamic_key+0x1ac/0x1c0
[  341.079823][ T6739]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  341.079853][ T6739]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  341.079892][ T6739]  gfs2_fill_super+0x141c/0x2220
[  341.079933][ T6739]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.079958][ T6739]  ? rt_spin_unlock+0x14f/0x200
[  341.079989][ T6739]  ? sb_set_blocksize+0x11b/0x210
[  341.080018][ T6739]  ? setup_bdev_super+0x4c1/0x5b0
[  341.080048][ T6739]  get_tree_bdev_flags+0x431/0x4f0
[  341.080077][ T6739]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.080104][ T6739]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  341.080130][ T6739]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  341.080168][ T6739]  gfs2_get_tree+0x51/0x1e0
[  341.080204][ T6739]  vfs_get_tree+0x92/0x2a0
[  341.080234][ T6739]  do_new_mount+0x341/0xd30
[  341.080255][ T6739]  ? apparmor_capable+0x126/0x170
[  341.080289][ T6739]  ? __pfx_do_new_mount+0x10/0x10
[  341.080312][ T6739]  ? ns_capable+0x89/0xe0
[  341.080336][ T6739]  ? user_path_at+0xd4/0x160
[  341.080364][ T6739]  ? user_path_at+0xd4/0x160
[  341.080397][ T6739]  __se_sys_mount+0x31d/0x420
[  341.080426][ T6739]  ? __pfx___se_sys_mount+0x10/0x10
[  341.080454][ T6739]  ? __x64_sys_mount+0x20/0xc0
[  341.080477][ T6739]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.080497][ T6739]  do_syscall_64+0x15f/0xf80
[  341.080518][ T6739]  ? trace_irq_disable+0x3b/0x140
[  341.080541][ T6739]  ? clear_bhb_loop+0x40/0x90
[  341.080565][ T6739]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.080584][ T6739] RIP: 0033:0x7f300fbada8a
[  341.080603][ T6739] 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
[  341.080620][ T6739] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.080641][ T6739] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  341.080656][ T6739] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  341.080670][ T6739] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  341.080683][ T6739] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  341.080696][ T6739] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  341.080728][ T6739]  </TASK>
[  341.080809][ T6739] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.080826][ T6739] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.635576][ T6742] loop1: detected capacity change from 0 to 32768
[  341.640359][ T6742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.640381][ T6742] CPU: 0 UID: 0 PID: 6742 Comm: syz.1.246 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  341.640402][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  341.640414][ T6742] Call Trace:
[  341.640422][ T6742]  <TASK>
[  341.640430][ T6742]  dump_stack_lvl+0xe8/0x150
[  341.640458][ T6742]  sysfs_create_dir_ns+0x271/0x2a0
[  341.640483][ T6742]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  341.640512][ T6742]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  341.640538][ T6742]  ? rt_spin_unlock+0x160/0x200
[  341.640567][ T6742]  kobject_add_internal+0x631/0xd10
[  341.640601][ T6742]  kobject_init_and_add+0x12b/0x1a0
[  341.640639][ T6742]  ? __pfx_kobject_init_and_add+0x10/0x10
[  341.640666][ T6742]  ? __raw_spin_lock_init+0x45/0x100
[  341.640690][ T6742]  ? __init_swait_queue_head+0xa9/0x150
[  341.640716][ T6742]  gfs2_sys_fs_add+0x257/0x480
[  341.640740][ T6742]  ? is_dynamic_key+0x1ac/0x1c0
[  341.640765][ T6742]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  341.640797][ T6742]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  341.640840][ T6742]  gfs2_fill_super+0x141c/0x2220
[  341.640884][ T6742]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.640911][ T6742]  ? rt_spin_unlock+0x14f/0x200
[  341.640942][ T6742]  ? sb_set_blocksize+0x11b/0x210
[  341.640971][ T6742]  ? setup_bdev_super+0x4c1/0x5b0
[  341.641001][ T6742]  get_tree_bdev_flags+0x431/0x4f0
[  341.641031][ T6742]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.641058][ T6742]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  341.641083][ T6742]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  341.641121][ T6742]  gfs2_get_tree+0x51/0x1e0
[  341.641153][ T6742]  vfs_get_tree+0x92/0x2a0
[  341.641184][ T6742]  do_new_mount+0x341/0xd30
[  341.641205][ T6742]  ? apparmor_capable+0x126/0x170
[  341.641240][ T6742]  ? __pfx_do_new_mount+0x10/0x10
[  341.641262][ T6742]  ? ns_capable+0x89/0xe0
[  341.641286][ T6742]  ? user_path_at+0xd4/0x160
[  341.641315][ T6742]  ? user_path_at+0xd4/0x160
[  341.641343][ T6742]  __se_sys_mount+0x31d/0x420
[  341.641372][ T6742]  ? __pfx___se_sys_mount+0x10/0x10
[  341.641400][ T6742]  ? __x64_sys_mount+0x20/0xc0
[  341.641422][ T6742]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.641443][ T6742]  do_syscall_64+0x15f/0xf80
[  341.641464][ T6742]  ? trace_irq_disable+0x3b/0x140
[  341.641487][ T6742]  ? clear_bhb_loop+0x40/0x90
[  341.641511][ T6742]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.641530][ T6742] RIP: 0033:0x7f300fbada8a
[  341.641549][ T6742] 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
[  341.641566][ T6742] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.641588][ T6742] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  341.641603][ T6742] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  341.641617][ T6742] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  341.641637][ T6742] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  341.641650][ T6742] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  341.641679][ T6742]  </TASK>
[  341.643062][ T6742] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.643080][ T6742] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  342.220286][ T6745] loop1: detected capacity change from 0 to 32768
[  342.231725][ T6745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  342.231746][ T6745] CPU: 0 UID: 0 PID: 6745 Comm: syz.1.247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  342.231767][ T6745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  342.231778][ T6745] Call Trace:
[  342.231785][ T6745]  <TASK>
[  342.231793][ T6745]  dump_stack_lvl+0xe8/0x150
[  342.231821][ T6745]  sysfs_create_dir_ns+0x271/0x2a0
[  342.231845][ T6745]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  342.231874][ T6745]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  342.231900][ T6745]  ? rt_spin_unlock+0x160/0x200
[  342.231930][ T6745]  kobject_add_internal+0x631/0xd10
[  342.231962][ T6745]  kobject_init_and_add+0x12b/0x1a0
[  342.231992][ T6745]  ? __pfx_kobject_init_and_add+0x10/0x10
[  342.232019][ T6745]  ? __raw_spin_lock_init+0x45/0x100
[  342.232043][ T6745]  ? __init_swait_queue_head+0xa9/0x150
[  342.232069][ T6745]  gfs2_sys_fs_add+0x257/0x480
[  342.232092][ T6745]  ? is_dynamic_key+0x1ac/0x1c0
[  342.232115][ T6745]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  342.232147][ T6745]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  342.232186][ T6745]  gfs2_fill_super+0x141c/0x2220
[  342.232229][ T6745]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.232255][ T6745]  ? rt_spin_unlock+0x14f/0x200
[  342.232286][ T6745]  ? sb_set_blocksize+0x11b/0x210
[  342.232314][ T6745]  ? setup_bdev_super+0x4c1/0x5b0
[  342.232346][ T6745]  get_tree_bdev_flags+0x431/0x4f0
[  342.232375][ T6745]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.232404][ T6745]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  342.232430][ T6745]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  342.232468][ T6745]  gfs2_get_tree+0x51/0x1e0
[  342.232498][ T6745]  vfs_get_tree+0x92/0x2a0
[  342.232529][ T6745]  do_new_mount+0x341/0xd30
[  342.232557][ T6745]  ? apparmor_capable+0x126/0x170
[  342.232590][ T6745]  ? __pfx_do_new_mount+0x10/0x10
[  342.232612][ T6745]  ? ns_capable+0x89/0xe0
[  342.232635][ T6745]  ? user_path_at+0xd4/0x160
[  342.232663][ T6745]  ? user_path_at+0xd4/0x160
[  342.232690][ T6745]  __se_sys_mount+0x31d/0x420
[  342.232718][ T6745]  ? __pfx___se_sys_mount+0x10/0x10
[  342.232746][ T6745]  ? __x64_sys_mount+0x20/0xc0
[  342.232768][ T6745]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.232788][ T6745]  do_syscall_64+0x15f/0xf80
[  342.232808][ T6745]  ? trace_irq_disable+0x3b/0x140
[  342.232831][ T6745]  ? clear_bhb_loop+0x40/0x90
[  342.232855][ T6745]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.232874][ T6745] RIP: 0033:0x7f300fbada8a
[  342.232898][ T6745] 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
[  342.232915][ T6745] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  342.232935][ T6745] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  342.232949][ T6745] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  342.232964][ T6745] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  342.232978][ T6745] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  342.232990][ T6745] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  342.233017][ T6745]  </TASK>
[  342.236713][ T6745] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.236732][ T6745] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  342.776882][ T6748] loop1: detected capacity change from 0 to 32768
[  342.783489][ T6748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  342.783510][ T6748] CPU: 0 UID: 0 PID: 6748 Comm: syz.1.248 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  342.783532][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  342.783544][ T6748] Call Trace:
[  342.783552][ T6748]  <TASK>
[  342.783560][ T6748]  dump_stack_lvl+0xe8/0x150
[  342.783589][ T6748]  sysfs_create_dir_ns+0x271/0x2a0
[  342.783613][ T6748]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  342.783643][ T6748]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  342.783670][ T6748]  ? rt_spin_unlock+0x160/0x200
[  342.783700][ T6748]  kobject_add_internal+0x631/0xd10
[  342.783733][ T6748]  kobject_init_and_add+0x12b/0x1a0
[  342.783762][ T6748]  ? __pfx_kobject_init_and_add+0x10/0x10
[  342.783789][ T6748]  ? __raw_spin_lock_init+0x45/0x100
[  342.783814][ T6748]  ? __init_swait_queue_head+0xa9/0x150
[  342.783839][ T6748]  gfs2_sys_fs_add+0x257/0x480
[  342.783860][ T6748]  ? is_dynamic_key+0x1ac/0x1c0
[  342.783884][ T6748]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  342.783917][ T6748]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  342.783955][ T6748]  gfs2_fill_super+0x141c/0x2220
[  342.783999][ T6748]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.784025][ T6748]  ? rt_spin_unlock+0x14f/0x200
[  342.784055][ T6748]  ? sb_set_blocksize+0x11b/0x210
[  342.784084][ T6748]  ? setup_bdev_super+0x4c1/0x5b0
[  342.784115][ T6748]  get_tree_bdev_flags+0x431/0x4f0
[  342.784145][ T6748]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.784172][ T6748]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  342.784198][ T6748]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  342.784236][ T6748]  gfs2_get_tree+0x51/0x1e0
[  342.784267][ T6748]  vfs_get_tree+0x92/0x2a0
[  342.784305][ T6748]  do_new_mount+0x341/0xd30
[  342.784326][ T6748]  ? apparmor_capable+0x126/0x170
[  342.784360][ T6748]  ? __pfx_do_new_mount+0x10/0x10
[  342.784382][ T6748]  ? ns_capable+0x89/0xe0
[  342.784407][ T6748]  ? user_path_at+0xd4/0x160
[  342.784436][ T6748]  ? user_path_at+0xd4/0x160
[  342.784463][ T6748]  __se_sys_mount+0x31d/0x420
[  342.784491][ T6748]  ? __pfx___se_sys_mount+0x10/0x10
[  342.784520][ T6748]  ? __x64_sys_mount+0x20/0xc0
[  342.784542][ T6748]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.784563][ T6748]  do_syscall_64+0x15f/0xf80
[  342.784584][ T6748]  ? trace_irq_disable+0x3b/0x140
[  342.784606][ T6748]  ? clear_bhb_loop+0x40/0x90
[  342.784630][ T6748]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.784650][ T6748] RIP: 0033:0x7f300fbada8a
[  342.784669][ T6748] 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
[  342.784685][ T6748] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  342.784707][ T6748] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  342.784722][ T6748] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  342.784736][ T6748] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  342.784750][ T6748] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  342.784763][ T6748] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  342.784798][ T6748]  </TASK>
[  342.802075][ T6748] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.802096][ T6748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.342723][ T6751] loop1: detected capacity change from 0 to 32768
[  343.352621][ T6751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  343.352642][ T6751] CPU: 0 UID: 0 PID: 6751 Comm: syz.1.249 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  343.352664][ T6751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  343.352676][ T6751] Call Trace:
[  343.352684][ T6751]  <TASK>
[  343.352692][ T6751]  dump_stack_lvl+0xe8/0x150
[  343.352720][ T6751]  sysfs_create_dir_ns+0x271/0x2a0
[  343.352745][ T6751]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  343.352775][ T6751]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  343.352803][ T6751]  ? rt_spin_unlock+0x160/0x200
[  343.352831][ T6751]  kobject_add_internal+0x631/0xd10
[  343.352866][ T6751]  kobject_init_and_add+0x12b/0x1a0
[  343.352893][ T6751]  ? __pfx_kobject_init_and_add+0x10/0x10
[  343.352919][ T6751]  ? __raw_spin_lock_init+0x45/0x100
[  343.352942][ T6751]  ? __init_swait_queue_head+0xa9/0x150
[  343.352965][ T6751]  gfs2_sys_fs_add+0x257/0x480
[  343.352987][ T6751]  ? is_dynamic_key+0x1ac/0x1c0
[  343.353010][ T6751]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  343.353042][ T6751]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  343.353082][ T6751]  gfs2_fill_super+0x141c/0x2220
[  343.353124][ T6751]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.353149][ T6751]  ? rt_spin_unlock+0x14f/0x200
[  343.353180][ T6751]  ? sb_set_blocksize+0x11b/0x210
[  343.353209][ T6751]  ? setup_bdev_super+0x4c1/0x5b0
[  343.353240][ T6751]  get_tree_bdev_flags+0x431/0x4f0
[  343.353270][ T6751]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.353297][ T6751]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  343.353324][ T6751]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  343.353362][ T6751]  gfs2_get_tree+0x51/0x1e0
[  343.353394][ T6751]  vfs_get_tree+0x92/0x2a0
[  343.353425][ T6751]  do_new_mount+0x341/0xd30
[  343.353446][ T6751]  ? apparmor_capable+0x126/0x170
[  343.353480][ T6751]  ? __pfx_do_new_mount+0x10/0x10
[  343.353502][ T6751]  ? ns_capable+0x89/0xe0
[  343.353525][ T6751]  ? user_path_at+0xd4/0x160
[  343.353560][ T6751]  ? user_path_at+0xd4/0x160
[  343.353588][ T6751]  __se_sys_mount+0x31d/0x420
[  343.353617][ T6751]  ? __pfx___se_sys_mount+0x10/0x10
[  343.353646][ T6751]  ? __x64_sys_mount+0x20/0xc0
[  343.353668][ T6751]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.353689][ T6751]  do_syscall_64+0x15f/0xf80
[  343.353709][ T6751]  ? trace_irq_disable+0x3b/0x140
[  343.353731][ T6751]  ? clear_bhb_loop+0x40/0x90
[  343.353755][ T6751]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.353775][ T6751] RIP: 0033:0x7f300fbada8a
[  343.353795][ T6751] 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
[  343.353812][ T6751] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  343.353834][ T6751] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  343.353849][ T6751] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  343.353864][ T6751] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  343.353878][ T6751] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  343.353891][ T6751] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  343.353923][ T6751]  </TASK>
[  343.366945][ T6751] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  343.366966][ T6751] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.902665][ T6754] loop1: detected capacity change from 0 to 32768
[  343.913138][ T6754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  343.913160][ T6754] CPU: 1 UID: 0 PID: 6754 Comm: syz.1.250 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  343.913183][ T6754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  343.913206][ T6754] Call Trace:
[  343.913213][ T6754]  <TASK>
[  343.913220][ T6754]  dump_stack_lvl+0xe8/0x150
[  343.913251][ T6754]  sysfs_create_dir_ns+0x271/0x2a0
[  343.913275][ T6754]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  343.913303][ T6754]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  343.913329][ T6754]  ? rt_spin_unlock+0x160/0x200
[  343.913359][ T6754]  kobject_add_internal+0x631/0xd10
[  343.913393][ T6754]  kobject_init_and_add+0x12b/0x1a0
[  343.913423][ T6754]  ? __pfx_kobject_init_and_add+0x10/0x10
[  343.913449][ T6754]  ? __raw_spin_lock_init+0x45/0x100
[  343.913473][ T6754]  ? __init_swait_queue_head+0xa9/0x150
[  343.913497][ T6754]  gfs2_sys_fs_add+0x257/0x480
[  343.913520][ T6754]  ? is_dynamic_key+0x1ac/0x1c0
[  343.913544][ T6754]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  343.913575][ T6754]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  343.913614][ T6754]  gfs2_fill_super+0x141c/0x2220
[  343.913658][ T6754]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.913683][ T6754]  ? rt_spin_unlock+0x14f/0x200
[  343.913712][ T6754]  ? sb_set_blocksize+0x11b/0x210
[  343.913742][ T6754]  ? setup_bdev_super+0x4c1/0x5b0
[  343.913774][ T6754]  get_tree_bdev_flags+0x431/0x4f0
[  343.913804][ T6754]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.913830][ T6754]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  343.913857][ T6754]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  343.913894][ T6754]  gfs2_get_tree+0x51/0x1e0
[  343.913924][ T6754]  vfs_get_tree+0x92/0x2a0
[  343.913953][ T6754]  do_new_mount+0x341/0xd30
[  343.913973][ T6754]  ? apparmor_capable+0x126/0x170
[  343.914006][ T6754]  ? __pfx_do_new_mount+0x10/0x10
[  343.914026][ T6754]  ? ns_capable+0x89/0xe0
[  343.914049][ T6754]  ? user_path_at+0xd4/0x160
[  343.914077][ T6754]  ? user_path_at+0xd4/0x160
[  343.914103][ T6754]  __se_sys_mount+0x31d/0x420
[  343.914132][ T6754]  ? __pfx___se_sys_mount+0x10/0x10
[  343.914161][ T6754]  ? __x64_sys_mount+0x20/0xc0
[  343.914183][ T6754]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.914213][ T6754]  do_syscall_64+0x15f/0xf80
[  343.914234][ T6754]  ? trace_irq_disable+0x3b/0x140
[  343.914256][ T6754]  ? clear_bhb_loop+0x40/0x90
[  343.914280][ T6754]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.914300][ T6754] RIP: 0033:0x7f300fbada8a
[  343.914319][ T6754] 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
[  343.914335][ T6754] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  343.914355][ T6754] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  343.914370][ T6754] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  343.914384][ T6754] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  343.914397][ T6754] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  343.914411][ T6754] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  343.914441][ T6754]  </TASK>
[  343.914525][ T6754] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  343.914541][ T6754] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  344.479968][ T6757] loop1: detected capacity change from 0 to 32768
[  344.483725][ T6757] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  344.483749][ T6757] CPU: 1 UID: 0 PID: 6757 Comm: syz.1.251 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  344.483771][ T6757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  344.483783][ T6757] Call Trace:
[  344.483791][ T6757]  <TASK>
[  344.483799][ T6757]  dump_stack_lvl+0xe8/0x150
[  344.483827][ T6757]  sysfs_create_dir_ns+0x271/0x2a0
[  344.483851][ T6757]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  344.483879][ T6757]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  344.483906][ T6757]  ? rt_spin_unlock+0x160/0x200
[  344.483937][ T6757]  kobject_add_internal+0x631/0xd10
[  344.483968][ T6757]  kobject_init_and_add+0x12b/0x1a0
[  344.483998][ T6757]  ? __pfx_kobject_init_and_add+0x10/0x10
[  344.484025][ T6757]  ? __raw_spin_lock_init+0x45/0x100
[  344.484048][ T6757]  ? __init_swait_queue_head+0xa9/0x150
[  344.484075][ T6757]  gfs2_sys_fs_add+0x257/0x480
[  344.484097][ T6757]  ? is_dynamic_key+0x1ac/0x1c0
[  344.484121][ T6757]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  344.484152][ T6757]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  344.484189][ T6757]  gfs2_fill_super+0x141c/0x2220
[  344.484241][ T6757]  ? __pfx_gfs2_fill_super+0x10/0x10
[  344.484268][ T6757]  ? rt_spin_unlock+0x14f/0x200
[  344.484299][ T6757]  ? sb_set_blocksize+0x11b/0x210
[  344.484328][ T6757]  ? setup_bdev_super+0x4c1/0x5b0
[  344.484359][ T6757]  get_tree_bdev_flags+0x431/0x4f0
[  344.484388][ T6757]  ? __pfx_gfs2_fill_super+0x10/0x10
[  344.484415][ T6757]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  344.484439][ T6757]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  344.484476][ T6757]  gfs2_get_tree+0x51/0x1e0
[  344.484506][ T6757]  vfs_get_tree+0x92/0x2a0
[  344.484536][ T6757]  do_new_mount+0x341/0xd30
[  344.484556][ T6757]  ? apparmor_capable+0x126/0x170
[  344.484590][ T6757]  ? __pfx_do_new_mount+0x10/0x10
[  344.484612][ T6757]  ? ns_capable+0x89/0xe0
[  344.484636][ T6757]  ? user_path_at+0xd4/0x160
[  344.484665][ T6757]  ? user_path_at+0xd4/0x160
[  344.484690][ T6757]  __se_sys_mount+0x31d/0x420
[  344.484719][ T6757]  ? __pfx___se_sys_mount+0x10/0x10
[  344.484748][ T6757]  ? __x64_sys_mount+0x20/0xc0
[  344.484770][ T6757]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  344.484792][ T6757]  do_syscall_64+0x15f/0xf80
[  344.484812][ T6757]  ? trace_irq_disable+0x3b/0x140
[  344.484835][ T6757]  ? clear_bhb_loop+0x40/0x90
[  344.484859][ T6757]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  344.484880][ T6757] RIP: 0033:0x7f300fbada8a
[  344.484897][ T6757] 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
[  344.484912][ T6757] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  344.484932][ T6757] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  344.484946][ T6757] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  344.484958][ T6757] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  344.484970][ T6757] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  344.484982][ T6757] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  344.485010][ T6757]  </TASK>
[  344.485997][ T6757] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  344.486015][ T6757] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  345.021365][ T6760] loop1: detected capacity change from 0 to 32768
[  345.046955][ T6760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.046971][ T6760] CPU: 1 UID: 0 PID: 6760 Comm: syz.1.252 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  345.046995][ T6760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  345.047007][ T6760] Call Trace:
[  345.047015][ T6760]  <TASK>
[  345.047024][ T6760]  dump_stack_lvl+0xe8/0x150
[  345.047055][ T6760]  sysfs_create_dir_ns+0x271/0x2a0
[  345.047084][ T6760]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  345.047116][ T6760]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
2026/04/18 20:50:46 executed programs: 238
[  345.047132][ T6760]  ? rt_spin_unlock+0x160/0x200
[  345.047149][ T6760]  kobject_add_internal+0x631/0xd10
[  345.047167][ T6760]  kobject_init_and_add+0x12b/0x1a0
[  345.047183][ T6760]  ? __pfx_kobject_init_and_add+0x10/0x10
[  345.047197][ T6760]  ? __raw_spin_lock_init+0x45/0x100
[  345.047211][ T6760]  ? __init_swait_queue_head+0xa9/0x150
[  345.047225][ T6760]  gfs2_sys_fs_add+0x257/0x480
[  345.047238][ T6760]  ? is_dynamic_key+0x1ac/0x1c0
[  345.047251][ T6760]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  345.047268][ T6760]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  345.047289][ T6760]  gfs2_fill_super+0x141c/0x2220
[  345.047313][ T6760]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.047327][ T6760]  ? rt_spin_unlock+0x14f/0x200
[  345.047345][ T6760]  ? sb_set_blocksize+0x11b/0x210
[  345.047368][ T6760]  ? setup_bdev_super+0x4c1/0x5b0
[  345.047386][ T6760]  get_tree_bdev_flags+0x431/0x4f0
[  345.047402][ T6760]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.047417][ T6760]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  345.047432][ T6760]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  345.047452][ T6760]  gfs2_get_tree+0x51/0x1e0
[  345.047469][ T6760]  vfs_get_tree+0x92/0x2a0
[  345.047486][ T6760]  do_new_mount+0x341/0xd30
[  345.047497][ T6760]  ? apparmor_capable+0x126/0x170
[  345.047516][ T6760]  ? __pfx_do_new_mount+0x10/0x10
[  345.047529][ T6760]  ? ns_capable+0x89/0xe0
[  345.047542][ T6760]  ? user_path_at+0xd4/0x160
[  345.047558][ T6760]  ? user_path_at+0xd4/0x160
[  345.047573][ T6760]  __se_sys_mount+0x31d/0x420
[  345.047588][ T6760]  ? __pfx___se_sys_mount+0x10/0x10
[  345.047604][ T6760]  ? __x64_sys_mount+0x20/0xc0
[  345.047615][ T6760]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.047627][ T6760]  do_syscall_64+0x15f/0xf80
[  345.047638][ T6760]  ? trace_irq_disable+0x3b/0x140
[  345.047651][ T6760]  ? clear_bhb_loop+0x40/0x90
[  345.047664][ T6760]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.047674][ T6760] RIP: 0033:0x7f300fbada8a
[  345.047686][ T6760] 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
[  345.047695][ T6760] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.047708][ T6760] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  345.047716][ T6760] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  345.047723][ T6760] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  345.047731][ T6760] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  345.047738][ T6760] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  345.047754][ T6760]  </TASK>
[  345.047781][ T6760] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.047790][ T6760] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  345.569254][ T6763] loop1: detected capacity change from 0 to 32768
[  345.592511][ T6763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.592534][ T6763] CPU: 1 UID: 0 PID: 6763 Comm: syz.1.253 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  345.592557][ T6763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  345.592569][ T6763] Call Trace:
[  345.592576][ T6763]  <TASK>
[  345.592584][ T6763]  dump_stack_lvl+0xe8/0x150
[  345.592612][ T6763]  sysfs_create_dir_ns+0x271/0x2a0
[  345.592637][ T6763]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  345.592667][ T6763]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  345.592695][ T6763]  ? rt_spin_unlock+0x160/0x200
[  345.592724][ T6763]  kobject_add_internal+0x631/0xd10
[  345.592755][ T6763]  kobject_init_and_add+0x12b/0x1a0
[  345.592782][ T6763]  ? __pfx_kobject_init_and_add+0x10/0x10
[  345.592809][ T6763]  ? __raw_spin_lock_init+0x45/0x100
[  345.592833][ T6763]  ? __init_swait_queue_head+0xa9/0x150
[  345.592860][ T6763]  gfs2_sys_fs_add+0x257/0x480
[  345.592883][ T6763]  ? is_dynamic_key+0x1ac/0x1c0
[  345.592910][ T6763]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  345.592940][ T6763]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  345.592978][ T6763]  gfs2_fill_super+0x141c/0x2220
[  345.593020][ T6763]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.593045][ T6763]  ? rt_spin_unlock+0x14f/0x200
[  345.593080][ T6763]  ? sb_set_blocksize+0x11b/0x210
[  345.593107][ T6763]  ? setup_bdev_super+0x4c1/0x5b0
[  345.593140][ T6763]  get_tree_bdev_flags+0x431/0x4f0
[  345.593168][ T6763]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.593186][ T6763]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  345.593200][ T6763]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  345.593221][ T6763]  gfs2_get_tree+0x51/0x1e0
[  345.593238][ T6763]  vfs_get_tree+0x92/0x2a0
[  345.593255][ T6763]  do_new_mount+0x341/0xd30
[  345.593266][ T6763]  ? apparmor_capable+0x126/0x170
[  345.593286][ T6763]  ? __pfx_do_new_mount+0x10/0x10
[  345.593298][ T6763]  ? ns_capable+0x89/0xe0
[  345.593311][ T6763]  ? user_path_at+0xd4/0x160
[  345.593334][ T6763]  ? user_path_at+0xd4/0x160
[  345.593349][ T6763]  __se_sys_mount+0x31d/0x420
[  345.593365][ T6763]  ? __pfx___se_sys_mount+0x10/0x10
[  345.593381][ T6763]  ? __x64_sys_mount+0x20/0xc0
[  345.593393][ T6763]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.593405][ T6763]  do_syscall_64+0x15f/0xf80
[  345.593416][ T6763]  ? trace_irq_disable+0x3b/0x140
[  345.593429][ T6763]  ? clear_bhb_loop+0x40/0x90
[  345.593442][ T6763]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.593453][ T6763] RIP: 0033:0x7f300fbada8a
[  345.593465][ T6763] 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
[  345.593474][ T6763] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.593487][ T6763] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  345.593495][ T6763] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  345.593503][ T6763] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  345.593510][ T6763] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  345.593518][ T6763] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  345.593534][ T6763]  </TASK>
[  345.593552][ T6763] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.593561][ T6763] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  346.161413][ T6766] loop1: detected capacity change from 0 to 32768
[  346.173417][ T6766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.173433][ T6766] CPU: 1 UID: 0 PID: 6766 Comm: syz.1.254 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  346.173446][ T6766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  346.173453][ T6766] Call Trace:
[  346.173458][ T6766]  <TASK>
[  346.173462][ T6766]  dump_stack_lvl+0xe8/0x150
[  346.173480][ T6766]  sysfs_create_dir_ns+0x271/0x2a0
[  346.173495][ T6766]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  346.173512][ T6766]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  346.173527][ T6766]  ? rt_spin_unlock+0x160/0x200
[  346.173543][ T6766]  kobject_add_internal+0x631/0xd10
[  346.173561][ T6766]  kobject_init_and_add+0x12b/0x1a0
[  346.173577][ T6766]  ? __pfx_kobject_init_and_add+0x10/0x10
[  346.173592][ T6766]  ? __raw_spin_lock_init+0x45/0x100
[  346.173605][ T6766]  ? __init_swait_queue_head+0xa9/0x150
[  346.173619][ T6766]  gfs2_sys_fs_add+0x257/0x480
[  346.173632][ T6766]  ? is_dynamic_key+0x1ac/0x1c0
[  346.173646][ T6766]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  346.173663][ T6766]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  346.173684][ T6766]  gfs2_fill_super+0x141c/0x2220
[  346.173707][ T6766]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.173722][ T6766]  ? rt_spin_unlock+0x14f/0x200
[  346.173739][ T6766]  ? sb_set_blocksize+0x11b/0x210
[  346.173756][ T6766]  ? setup_bdev_super+0x4c1/0x5b0
[  346.173773][ T6766]  get_tree_bdev_flags+0x431/0x4f0
[  346.173789][ T6766]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.173804][ T6766]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  346.173818][ T6766]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  346.173839][ T6766]  gfs2_get_tree+0x51/0x1e0
[  346.173856][ T6766]  vfs_get_tree+0x92/0x2a0
[  346.173872][ T6766]  do_new_mount+0x341/0xd30
[  346.173884][ T6766]  ? apparmor_capable+0x126/0x170
[  346.173904][ T6766]  ? __pfx_do_new_mount+0x10/0x10
[  346.173916][ T6766]  ? ns_capable+0x89/0xe0
[  346.173929][ T6766]  ? user_path_at+0xd4/0x160
[  346.173951][ T6766]  ? user_path_at+0xd4/0x160
[  346.173966][ T6766]  __se_sys_mount+0x31d/0x420
[  346.173983][ T6766]  ? __pfx___se_sys_mount+0x10/0x10
[  346.174009][ T6766]  ? __x64_sys_mount+0x20/0xc0
[  346.174030][ T6766]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.174042][ T6766]  do_syscall_64+0x15f/0xf80
[  346.174054][ T6766]  ? trace_irq_disable+0x3b/0x140
[  346.174067][ T6766]  ? clear_bhb_loop+0x40/0x90
[  346.174080][ T6766]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.174090][ T6766] RIP: 0033:0x7f300fbada8a
[  346.174102][ T6766] 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
[  346.174111][ T6766] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  346.174124][ T6766] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  346.174132][ T6766] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  346.174140][ T6766] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  346.174147][ T6766] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  346.174154][ T6766] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  346.174170][ T6766]  </TASK>
[  346.174185][ T6766] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  346.174206][ T6766] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  346.740953][ T6769] loop1: detected capacity change from 0 to 32768
[  346.757630][ T6769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.757652][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz.1.255 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  346.757675][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  346.757686][ T6769] Call Trace:
[  346.757694][ T6769]  <TASK>
[  346.757702][ T6769]  dump_stack_lvl+0xe8/0x150
[  346.757730][ T6769]  sysfs_create_dir_ns+0x271/0x2a0
[  346.757754][ T6769]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  346.757784][ T6769]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  346.757812][ T6769]  ? rt_spin_unlock+0x160/0x200
[  346.757841][ T6769]  kobject_add_internal+0x631/0xd10
[  346.757874][ T6769]  kobject_init_and_add+0x12b/0x1a0
[  346.757904][ T6769]  ? __pfx_kobject_init_and_add+0x10/0x10
[  346.757931][ T6769]  ? __raw_spin_lock_init+0x45/0x100
[  346.757955][ T6769]  ? __init_swait_queue_head+0xa9/0x150
[  346.757982][ T6769]  gfs2_sys_fs_add+0x257/0x480
[  346.758005][ T6769]  ? is_dynamic_key+0x1ac/0x1c0
[  346.758030][ T6769]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  346.758061][ T6769]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  346.758101][ T6769]  gfs2_fill_super+0x141c/0x2220
[  346.758144][ T6769]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.758177][ T6769]  ? rt_spin_unlock+0x14f/0x200
[  346.758209][ T6769]  ? sb_set_blocksize+0x11b/0x210
[  346.758238][ T6769]  ? setup_bdev_super+0x4c1/0x5b0
[  346.758269][ T6769]  get_tree_bdev_flags+0x431/0x4f0
[  346.758304][ T6769]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.758332][ T6769]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  346.758357][ T6769]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  346.758396][ T6769]  gfs2_get_tree+0x51/0x1e0
[  346.758427][ T6769]  vfs_get_tree+0x92/0x2a0
[  346.758458][ T6769]  do_new_mount+0x341/0xd30
[  346.758479][ T6769]  ? apparmor_capable+0x126/0x170
[  346.758513][ T6769]  ? __pfx_do_new_mount+0x10/0x10
[  346.758536][ T6769]  ? ns_capable+0x89/0xe0
[  346.758560][ T6769]  ? user_path_at+0xd4/0x160
[  346.758588][ T6769]  ? user_path_at+0xd4/0x160
[  346.758613][ T6769]  __se_sys_mount+0x31d/0x420
[  346.758643][ T6769]  ? __pfx___se_sys_mount+0x10/0x10
[  346.758672][ T6769]  ? __x64_sys_mount+0x20/0xc0
[  346.758695][ T6769]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.758716][ T6769]  do_syscall_64+0x15f/0xf80
[  346.758737][ T6769]  ? trace_irq_disable+0x3b/0x140
[  346.758760][ T6769]  ? clear_bhb_loop+0x40/0x90
[  346.758784][ T6769]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.758803][ T6769] RIP: 0033:0x7f300fbada8a
[  346.758821][ T6769] 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
[  346.758838][ T6769] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  346.758858][ T6769] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  346.758877][ T6769] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  346.758891][ T6769] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  346.758905][ T6769] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  346.758918][ T6769] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  346.758946][ T6769]  </TASK>
[  346.763356][ T6769] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  346.763378][ T6769] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.296890][ T6772] loop1: detected capacity change from 0 to 32768
[  347.300599][ T6772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  347.300620][ T6772] CPU: 1 UID: 0 PID: 6772 Comm: syz.1.256 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  347.300643][ T6772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  347.300655][ T6772] Call Trace:
[  347.300663][ T6772]  <TASK>
[  347.300671][ T6772]  dump_stack_lvl+0xe8/0x150
[  347.300699][ T6772]  sysfs_create_dir_ns+0x271/0x2a0
[  347.300724][ T6772]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  347.300754][ T6772]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  347.300782][ T6772]  ? rt_spin_unlock+0x160/0x200
[  347.300811][ T6772]  kobject_add_internal+0x631/0xd10
[  347.300843][ T6772]  kobject_init_and_add+0x12b/0x1a0
[  347.300872][ T6772]  ? __pfx_kobject_init_and_add+0x10/0x10
[  347.300899][ T6772]  ? __raw_spin_lock_init+0x45/0x100
[  347.300923][ T6772]  ? __init_swait_queue_head+0xa9/0x150
[  347.300948][ T6772]  gfs2_sys_fs_add+0x257/0x480
[  347.300971][ T6772]  ? is_dynamic_key+0x1ac/0x1c0
[  347.300996][ T6772]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  347.301026][ T6772]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  347.301065][ T6772]  gfs2_fill_super+0x141c/0x2220
[  347.301107][ T6772]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.301133][ T6772]  ? rt_spin_unlock+0x14f/0x200
[  347.301164][ T6772]  ? sb_set_blocksize+0x11b/0x210
[  347.301192][ T6772]  ? setup_bdev_super+0x4c1/0x5b0
[  347.301224][ T6772]  get_tree_bdev_flags+0x431/0x4f0
[  347.301252][ T6772]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.301287][ T6772]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  347.301314][ T6772]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  347.301356][ T6772]  gfs2_get_tree+0x51/0x1e0
[  347.301388][ T6772]  vfs_get_tree+0x92/0x2a0
[  347.301415][ T6772]  do_new_mount+0x341/0xd30
[  347.301435][ T6772]  ? apparmor_capable+0x126/0x170
[  347.301469][ T6772]  ? __pfx_do_new_mount+0x10/0x10
[  347.301492][ T6772]  ? ns_capable+0x89/0xe0
[  347.301516][ T6772]  ? user_path_at+0xd4/0x160
[  347.301546][ T6772]  ? user_path_at+0xd4/0x160
[  347.301570][ T6772]  __se_sys_mount+0x31d/0x420
[  347.301596][ T6772]  ? __pfx___se_sys_mount+0x10/0x10
[  347.301621][ T6772]  ? __x64_sys_mount+0x20/0xc0
[  347.301642][ T6772]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.301661][ T6772]  do_syscall_64+0x15f/0xf80
[  347.301681][ T6772]  ? trace_irq_disable+0x3b/0x140
[  347.301703][ T6772]  ? clear_bhb_loop+0x40/0x90
[  347.301727][ T6772]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.301744][ T6772] RIP: 0033:0x7f300fbada8a
[  347.301762][ T6772] 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
[  347.301778][ T6772] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.301797][ T6772] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  347.301811][ T6772] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  347.301824][ T6772] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  347.301840][ T6772] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  347.301853][ T6772] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  347.301882][ T6772]  </TASK>
[  347.301961][ T6772] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.302020][ T6772] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.899373][ T6775] loop1: detected capacity change from 0 to 32768
[  347.913269][ T6775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  347.913285][ T6775] CPU: 0 UID: 0 PID: 6775 Comm: syz.1.257 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  347.913298][ T6775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  347.913306][ T6775] Call Trace:
[  347.913310][ T6775]  <TASK>
[  347.913315][ T6775]  dump_stack_lvl+0xe8/0x150
[  347.913333][ T6775]  sysfs_create_dir_ns+0x271/0x2a0
[  347.913347][ T6775]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  347.913364][ T6775]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  347.913379][ T6775]  ? rt_spin_unlock+0x160/0x200
[  347.913395][ T6775]  kobject_add_internal+0x631/0xd10
[  347.913414][ T6775]  kobject_init_and_add+0x12b/0x1a0
[  347.913430][ T6775]  ? __pfx_kobject_init_and_add+0x10/0x10
[  347.913444][ T6775]  ? __raw_spin_lock_init+0x45/0x100
[  347.913457][ T6775]  ? __init_swait_queue_head+0xa9/0x150
[  347.913472][ T6775]  gfs2_sys_fs_add+0x257/0x480
[  347.913484][ T6775]  ? is_dynamic_key+0x1ac/0x1c0
[  347.913499][ T6775]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  347.913515][ T6775]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  347.913536][ T6775]  gfs2_fill_super+0x141c/0x2220
[  347.913560][ T6775]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.913574][ T6775]  ? rt_spin_unlock+0x14f/0x200
[  347.913591][ T6775]  ? sb_set_blocksize+0x11b/0x210
[  347.913608][ T6775]  ? setup_bdev_super+0x4c1/0x5b0
[  347.913625][ T6775]  get_tree_bdev_flags+0x431/0x4f0
[  347.913641][ T6775]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.913656][ T6775]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  347.913671][ T6775]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  347.913692][ T6775]  gfs2_get_tree+0x51/0x1e0
[  347.913709][ T6775]  vfs_get_tree+0x92/0x2a0
[  347.913725][ T6775]  do_new_mount+0x341/0xd30
[  347.913737][ T6775]  ? apparmor_capable+0x126/0x170
[  347.913756][ T6775]  ? __pfx_do_new_mount+0x10/0x10
[  347.913768][ T6775]  ? ns_capable+0x89/0xe0
[  347.913781][ T6775]  ? user_path_at+0xd4/0x160
[  347.913797][ T6775]  ? user_path_at+0xd4/0x160
[  347.913812][ T6775]  __se_sys_mount+0x31d/0x420
[  347.913827][ T6775]  ? __pfx___se_sys_mount+0x10/0x10
[  347.913843][ T6775]  ? __x64_sys_mount+0x20/0xc0
[  347.913855][ T6775]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.913867][ T6775]  do_syscall_64+0x15f/0xf80
[  347.913878][ T6775]  ? trace_irq_disable+0x3b/0x140
[  347.913890][ T6775]  ? clear_bhb_loop+0x40/0x90
[  347.913903][ T6775]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.913914][ T6775] RIP: 0033:0x7f300fbada8a
[  347.913925][ T6775] 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
[  347.913935][ T6775] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.913947][ T6775] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  347.913955][ T6775] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  347.913963][ T6775] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  347.913975][ T6775] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  347.913982][ T6775] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  347.913999][ T6775]  </TASK>
[  347.914014][ T6775] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.914023][ T6775] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  348.446394][ T6778] loop1: detected capacity change from 0 to 32768
[  348.471915][ T6778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  348.471936][ T6778] CPU: 1 UID: 0 PID: 6778 Comm: syz.1.258 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  348.471959][ T6778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  348.471970][ T6778] Call Trace:
[  348.471978][ T6778]  <TASK>
[  348.471986][ T6778]  dump_stack_lvl+0xe8/0x150
[  348.472014][ T6778]  sysfs_create_dir_ns+0x271/0x2a0
[  348.472038][ T6778]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  348.472066][ T6778]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  348.472093][ T6778]  ? rt_spin_unlock+0x160/0x200
[  348.472123][ T6778]  kobject_add_internal+0x631/0xd10
[  348.472146][ T6778]  kobject_init_and_add+0x12b/0x1a0
[  348.472163][ T6778]  ? __pfx_kobject_init_and_add+0x10/0x10
[  348.472177][ T6778]  ? __raw_spin_lock_init+0x45/0x100
[  348.472191][ T6778]  ? __init_swait_queue_head+0xa9/0x150
[  348.472206][ T6778]  gfs2_sys_fs_add+0x257/0x480
[  348.472218][ T6778]  ? is_dynamic_key+0x1ac/0x1c0
[  348.472232][ T6778]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  348.472249][ T6778]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  348.472270][ T6778]  gfs2_fill_super+0x141c/0x2220
[  348.472293][ T6778]  ? __pfx_gfs2_fill_super+0x10/0x10
[  348.472308][ T6778]  ? rt_spin_unlock+0x14f/0x200
[  348.472325][ T6778]  ? sb_set_blocksize+0x11b/0x210
[  348.472342][ T6778]  ? setup_bdev_super+0x4c1/0x5b0
[  348.472359][ T6778]  get_tree_bdev_flags+0x431/0x4f0
[  348.472375][ T6778]  ? __pfx_gfs2_fill_super+0x10/0x10
[  348.472391][ T6778]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  348.472405][ T6778]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  348.472425][ T6778]  gfs2_get_tree+0x51/0x1e0
[  348.472442][ T6778]  vfs_get_tree+0x92/0x2a0
[  348.472459][ T6778]  do_new_mount+0x341/0xd30
[  348.472471][ T6778]  ? apparmor_capable+0x126/0x170
[  348.472489][ T6778]  ? __pfx_do_new_mount+0x10/0x10
[  348.472502][ T6778]  ? ns_capable+0x89/0xe0
[  348.472519][ T6778]  ? user_path_at+0xd4/0x160
[  348.472535][ T6778]  ? user_path_at+0xd4/0x160
[  348.472550][ T6778]  __se_sys_mount+0x31d/0x420
[  348.472565][ T6778]  ? __pfx___se_sys_mount+0x10/0x10
[  348.472581][ T6778]  ? __x64_sys_mount+0x20/0xc0
[  348.472593][ T6778]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  348.472604][ T6778]  do_syscall_64+0x15f/0xf80
[  348.472616][ T6778]  ? trace_irq_disable+0x3b/0x140
[  348.472628][ T6778]  ? clear_bhb_loop+0x40/0x90
[  348.472641][ T6778]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  348.472652][ T6778] RIP: 0033:0x7f300fbada8a
[  348.472663][ T6778] 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
[  348.472673][ T6778] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  348.472686][ T6778] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  348.472694][ T6778] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  348.472702][ T6778] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  348.472709][ T6778] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  348.472716][ T6778] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  348.472732][ T6778]  </TASK>
[  348.472758][ T6778] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  348.472767][ T6778] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.019876][ T6781] loop1: detected capacity change from 0 to 32768
[  349.036158][ T6781] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.036180][ T6781] CPU: 0 UID: 0 PID: 6781 Comm: syz.1.259 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  349.036204][ T6781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  349.036215][ T6781] Call Trace:
[  349.036222][ T6781]  <TASK>
[  349.036231][ T6781]  dump_stack_lvl+0xe8/0x150
[  349.036260][ T6781]  sysfs_create_dir_ns+0x271/0x2a0
[  349.036284][ T6781]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  349.036313][ T6781]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  349.036339][ T6781]  ? rt_spin_unlock+0x160/0x200
[  349.036368][ T6781]  kobject_add_internal+0x631/0xd10
[  349.036400][ T6781]  kobject_init_and_add+0x12b/0x1a0
[  349.036429][ T6781]  ? __pfx_kobject_init_and_add+0x10/0x10
[  349.036455][ T6781]  ? __raw_spin_lock_init+0x45/0x100
[  349.036478][ T6781]  ? __init_swait_queue_head+0xa9/0x150
[  349.036504][ T6781]  gfs2_sys_fs_add+0x257/0x480
[  349.036527][ T6781]  ? is_dynamic_key+0x1ac/0x1c0
[  349.036552][ T6781]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  349.036582][ T6781]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  349.036621][ T6781]  gfs2_fill_super+0x141c/0x2220
[  349.036664][ T6781]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.036688][ T6781]  ? rt_spin_unlock+0x14f/0x200
[  349.036718][ T6781]  ? sb_set_blocksize+0x11b/0x210
[  349.036747][ T6781]  ? setup_bdev_super+0x4c1/0x5b0
[  349.036779][ T6781]  get_tree_bdev_flags+0x431/0x4f0
[  349.036809][ T6781]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.036836][ T6781]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  349.036862][ T6781]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  349.036898][ T6781]  gfs2_get_tree+0x51/0x1e0
[  349.036929][ T6781]  vfs_get_tree+0x92/0x2a0
[  349.036958][ T6781]  do_new_mount+0x341/0xd30
[  349.036978][ T6781]  ? apparmor_capable+0x126/0x170
[  349.037011][ T6781]  ? __pfx_do_new_mount+0x10/0x10
[  349.037033][ T6781]  ? ns_capable+0x89/0xe0
[  349.037057][ T6781]  ? user_path_at+0xd4/0x160
[  349.037095][ T6781]  ? user_path_at+0xd4/0x160
[  349.037121][ T6781]  __se_sys_mount+0x31d/0x420
[  349.037150][ T6781]  ? __pfx___se_sys_mount+0x10/0x10
[  349.037177][ T6781]  ? __x64_sys_mount+0x20/0xc0
[  349.037199][ T6781]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.037220][ T6781]  do_syscall_64+0x15f/0xf80
[  349.037240][ T6781]  ? trace_irq_disable+0x3b/0x140
[  349.037262][ T6781]  ? clear_bhb_loop+0x40/0x90
[  349.037285][ T6781]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.037305][ T6781] RIP: 0033:0x7f300fbada8a
[  349.037325][ T6781] 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
[  349.037341][ T6781] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.037362][ T6781] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  349.037377][ T6781] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  349.037391][ T6781] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  349.037404][ T6781] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  349.037417][ T6781] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  349.037450][ T6781]  </TASK>
[  349.037478][ T6781] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.037494][ T6781] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.591058][ T6784] loop1: detected capacity change from 0 to 32768
[  349.596414][ T6784] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.596435][ T6784] CPU: 1 UID: 0 PID: 6784 Comm: syz.1.260 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  349.596456][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  349.596467][ T6784] Call Trace:
[  349.596477][ T6784]  <TASK>
[  349.596486][ T6784]  dump_stack_lvl+0xe8/0x150
[  349.596514][ T6784]  sysfs_create_dir_ns+0x271/0x2a0
[  349.596538][ T6784]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  349.596568][ T6784]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  349.596593][ T6784]  ? rt_spin_unlock+0x160/0x200
[  349.596620][ T6784]  kobject_add_internal+0x631/0xd10
[  349.596653][ T6784]  kobject_init_and_add+0x12b/0x1a0
[  349.596682][ T6784]  ? __pfx_kobject_init_and_add+0x10/0x10
[  349.596707][ T6784]  ? __raw_spin_lock_init+0x45/0x100
[  349.596730][ T6784]  ? __init_swait_queue_head+0xa9/0x150
[  349.596755][ T6784]  gfs2_sys_fs_add+0x257/0x480
[  349.596777][ T6784]  ? is_dynamic_key+0x1ac/0x1c0
[  349.596800][ T6784]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  349.596861][ T6784]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  349.596898][ T6784]  gfs2_fill_super+0x141c/0x2220
[  349.596940][ T6784]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.596965][ T6784]  ? rt_spin_unlock+0x14f/0x200
[  349.597004][ T6784]  ? sb_set_blocksize+0x11b/0x210
[  349.597032][ T6784]  ? setup_bdev_super+0x4c1/0x5b0
[  349.597061][ T6784]  get_tree_bdev_flags+0x431/0x4f0
[  349.597089][ T6784]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.597116][ T6784]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  349.597140][ T6784]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  349.597176][ T6784]  gfs2_get_tree+0x51/0x1e0
[  349.597206][ T6784]  vfs_get_tree+0x92/0x2a0
[  349.597234][ T6784]  do_new_mount+0x341/0xd30
[  349.597254][ T6784]  ? apparmor_capable+0x126/0x170
[  349.597287][ T6784]  ? __pfx_do_new_mount+0x10/0x10
[  349.597308][ T6784]  ? ns_capable+0x89/0xe0
[  349.597331][ T6784]  ? user_path_at+0xd4/0x160
[  349.597358][ T6784]  ? user_path_at+0xd4/0x160
[  349.597384][ T6784]  __se_sys_mount+0x31d/0x420
[  349.597412][ T6784]  ? __pfx___se_sys_mount+0x10/0x10
[  349.597439][ T6784]  ? __x64_sys_mount+0x20/0xc0
[  349.597460][ T6784]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.597480][ T6784]  do_syscall_64+0x15f/0xf80
[  349.597501][ T6784]  ? trace_irq_disable+0x3b/0x140
[  349.597522][ T6784]  ? clear_bhb_loop+0x40/0x90
[  349.597545][ T6784]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.597563][ T6784] RIP: 0033:0x7f300fbada8a
[  349.597582][ T6784] 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
[  349.597598][ T6784] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.597618][ T6784] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  349.597633][ T6784] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  349.597646][ T6784] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  349.597659][ T6784] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  349.597672][ T6784] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  349.597702][ T6784]  </TASK>
[  349.597732][ T6784] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.597746][ T6784] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.141685][ T6787] loop1: detected capacity change from 0 to 32768
[  350.159117][ T6787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.159138][ T6787] CPU: 1 UID: 0 PID: 6787 Comm: syz.1.261 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  350.159159][ T6787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  350.159171][ T6787] Call Trace:
[  350.159179][ T6787]  <TASK>
[  350.159188][ T6787]  dump_stack_lvl+0xe8/0x150
[  350.159216][ T6787]  sysfs_create_dir_ns+0x271/0x2a0
[  350.159241][ T6787]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  350.159271][ T6787]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  350.159296][ T6787]  ? rt_spin_unlock+0x160/0x200
[  350.159328][ T6787]  kobject_add_internal+0x631/0xd10
[  350.159361][ T6787]  kobject_init_and_add+0x12b/0x1a0
2026/04/18 20:50:51 executed programs: 247
[  350.159392][ T6787]  ? __pfx_kobject_init_and_add+0x10/0x10
[  350.159419][ T6787]  ? __raw_spin_lock_init+0x45/0x100
[  350.159443][ T6787]  ? __init_swait_queue_head+0xa9/0x150
[  350.159469][ T6787]  gfs2_sys_fs_add+0x257/0x480
[  350.159492][ T6787]  ? is_dynamic_key+0x1ac/0x1c0
[  350.159516][ T6787]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  350.159545][ T6787]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  350.159583][ T6787]  gfs2_fill_super+0x141c/0x2220
[  350.159630][ T6787]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.159656][ T6787]  ? rt_spin_unlock+0x14f/0x200
[  350.159687][ T6787]  ? sb_set_blocksize+0x11b/0x210
[  350.159716][ T6787]  ? setup_bdev_super+0x4c1/0x5b0
[  350.159746][ T6787]  get_tree_bdev_flags+0x431/0x4f0
[  350.159775][ T6787]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.159802][ T6787]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  350.159828][ T6787]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  350.159864][ T6787]  gfs2_get_tree+0x51/0x1e0
[  350.159895][ T6787]  vfs_get_tree+0x92/0x2a0
[  350.159923][ T6787]  do_new_mount+0x341/0xd30
[  350.159944][ T6787]  ? apparmor_capable+0x126/0x170
[  350.159978][ T6787]  ? __pfx_do_new_mount+0x10/0x10
[  350.160000][ T6787]  ? ns_capable+0x89/0xe0
[  350.160026][ T6787]  ? user_path_at+0xd4/0x160
[  350.160056][ T6787]  ? user_path_at+0xd4/0x160
[  350.160083][ T6787]  __se_sys_mount+0x31d/0x420
[  350.160120][ T6787]  ? __pfx___se_sys_mount+0x10/0x10
[  350.160147][ T6787]  ? __x64_sys_mount+0x20/0xc0
[  350.160168][ T6787]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.160189][ T6787]  do_syscall_64+0x15f/0xf80
[  350.160209][ T6787]  ? trace_irq_disable+0x3b/0x140
[  350.160231][ T6787]  ? clear_bhb_loop+0x40/0x90
[  350.160254][ T6787]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.160273][ T6787] RIP: 0033:0x7f300fbada8a
[  350.160291][ T6787] 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
[  350.160308][ T6787] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.160329][ T6787] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  350.160344][ T6787] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  350.160358][ T6787] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  350.160372][ T6787] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  350.160384][ T6787] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  350.160414][ T6787]  </TASK>
[  350.160511][ T6787] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.160527][ T6787] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.699327][ T6790] loop1: detected capacity change from 0 to 32768
[  350.709488][ T6790] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.709511][ T6790] CPU: 0 UID: 0 PID: 6790 Comm: syz.1.262 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  350.709534][ T6790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  350.709546][ T6790] Call Trace:
[  350.709553][ T6790]  <TASK>
[  350.709561][ T6790]  dump_stack_lvl+0xe8/0x150
[  350.709600][ T6790]  sysfs_create_dir_ns+0x271/0x2a0
[  350.709625][ T6790]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  350.709654][ T6790]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  350.709680][ T6790]  ? rt_spin_unlock+0x160/0x200
[  350.709708][ T6790]  kobject_add_internal+0x631/0xd10
[  350.709748][ T6790]  kobject_init_and_add+0x12b/0x1a0
[  350.709777][ T6790]  ? __pfx_kobject_init_and_add+0x10/0x10
[  350.709802][ T6790]  ? __raw_spin_lock_init+0x45/0x100
[  350.709826][ T6790]  ? __init_swait_queue_head+0xa9/0x150
[  350.709851][ T6790]  gfs2_sys_fs_add+0x257/0x480
[  350.709874][ T6790]  ? is_dynamic_key+0x1ac/0x1c0
[  350.709898][ T6790]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  350.709928][ T6790]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  350.709967][ T6790]  gfs2_fill_super+0x141c/0x2220
[  350.710011][ T6790]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.710038][ T6790]  ? rt_spin_unlock+0x14f/0x200
[  350.710070][ T6790]  ? sb_set_blocksize+0x11b/0x210
[  350.710098][ T6790]  ? setup_bdev_super+0x4c1/0x5b0
[  350.710128][ T6790]  get_tree_bdev_flags+0x431/0x4f0
[  350.710156][ T6790]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.710183][ T6790]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  350.710207][ T6790]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  350.710242][ T6790]  gfs2_get_tree+0x51/0x1e0
[  350.710273][ T6790]  vfs_get_tree+0x92/0x2a0
[  350.710302][ T6790]  do_new_mount+0x341/0xd30
[  350.710322][ T6790]  ? apparmor_capable+0x126/0x170
[  350.710357][ T6790]  ? __pfx_do_new_mount+0x10/0x10
[  350.710379][ T6790]  ? ns_capable+0x89/0xe0
[  350.710403][ T6790]  ? user_path_at+0xd4/0x160
[  350.710431][ T6790]  ? user_path_at+0xd4/0x160
[  350.710457][ T6790]  __se_sys_mount+0x31d/0x420
[  350.710486][ T6790]  ? __pfx___se_sys_mount+0x10/0x10
[  350.710514][ T6790]  ? __x64_sys_mount+0x20/0xc0
[  350.710536][ T6790]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.710558][ T6790]  do_syscall_64+0x15f/0xf80
[  350.710595][ T6790]  ? trace_irq_disable+0x3b/0x140
[  350.710617][ T6790]  ? clear_bhb_loop+0x40/0x90
[  350.710640][ T6790]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.710663][ T6790] RIP: 0033:0x7f300fbada8a
[  350.710682][ T6790] 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
[  350.710700][ T6790] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.710729][ T6790] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  350.710744][ T6790] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  350.710759][ T6790] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  350.710773][ T6790] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  350.710785][ T6790] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  350.710815][ T6790]  </TASK>
[  350.755058][ T6790] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.755080][ T6790] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  351.258909][ T6793] loop1: detected capacity change from 0 to 32768
[  351.263926][ T6793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  351.263947][ T6793] CPU: 0 UID: 0 PID: 6793 Comm: syz.1.263 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  351.263970][ T6793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  351.263981][ T6793] Call Trace:
[  351.263989][ T6793]  <TASK>
[  351.263997][ T6793]  dump_stack_lvl+0xe8/0x150
[  351.264025][ T6793]  sysfs_create_dir_ns+0x271/0x2a0
[  351.264049][ T6793]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  351.264078][ T6793]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  351.264103][ T6793]  ? rt_spin_unlock+0x160/0x200
[  351.264133][ T6793]  kobject_add_internal+0x631/0xd10
[  351.264166][ T6793]  kobject_init_and_add+0x12b/0x1a0
[  351.264196][ T6793]  ? __pfx_kobject_init_and_add+0x10/0x10
[  351.264223][ T6793]  ? __raw_spin_lock_init+0x45/0x100
[  351.264247][ T6793]  ? __init_swait_queue_head+0xa9/0x150
[  351.264273][ T6793]  gfs2_sys_fs_add+0x257/0x480
[  351.264295][ T6793]  ? is_dynamic_key+0x1ac/0x1c0
[  351.264321][ T6793]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  351.264351][ T6793]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  351.264391][ T6793]  gfs2_fill_super+0x141c/0x2220
[  351.264434][ T6793]  ? __pfx_gfs2_fill_super+0x10/0x10
[  351.264460][ T6793]  ? rt_spin_unlock+0x14f/0x200
[  351.264491][ T6793]  ? sb_set_blocksize+0x11b/0x210
[  351.264521][ T6793]  ? setup_bdev_super+0x4c1/0x5b0
[  351.264552][ T6793]  get_tree_bdev_flags+0x431/0x4f0
[  351.264580][ T6793]  ? __pfx_gfs2_fill_super+0x10/0x10
[  351.264607][ T6793]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  351.264633][ T6793]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  351.264670][ T6793]  gfs2_get_tree+0x51/0x1e0
[  351.264709][ T6793]  vfs_get_tree+0x92/0x2a0
[  351.264739][ T6793]  do_new_mount+0x341/0xd30
[  351.264760][ T6793]  ? apparmor_capable+0x126/0x170
[  351.264795][ T6793]  ? __pfx_do_new_mount+0x10/0x10
[  351.264817][ T6793]  ? ns_capable+0x89/0xe0
[  351.264842][ T6793]  ? user_path_at+0xd4/0x160
[  351.264872][ T6793]  ? user_path_at+0xd4/0x160
[  351.264896][ T6793]  __se_sys_mount+0x31d/0x420
[  351.264923][ T6793]  ? __pfx___se_sys_mount+0x10/0x10
[  351.264948][ T6793]  ? __x64_sys_mount+0x20/0xc0
[  351.264968][ T6793]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.264988][ T6793]  do_syscall_64+0x15f/0xf80
[  351.265007][ T6793]  ? trace_irq_disable+0x3b/0x140
[  351.265027][ T6793]  ? clear_bhb_loop+0x40/0x90
[  351.265050][ T6793]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.265069][ T6793] RIP: 0033:0x7f300fbada8a
[  351.265088][ T6793] 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
[  351.265105][ T6793] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  351.265126][ T6793] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  351.265140][ T6793] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  351.265155][ T6793] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  351.265169][ T6793] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  351.265182][ T6793] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  351.265213][ T6793]  </TASK>
[  351.278533][ T6793] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  351.278553][ T6793] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  351.759807][ T6796] loop1: detected capacity change from 0 to 32768
[  351.791571][ T6796] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  351.791595][ T6796] CPU: 0 UID: 0 PID: 6796 Comm: syz.1.264 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  351.791617][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  351.791629][ T6796] Call Trace:
[  351.791637][ T6796]  <TASK>
[  351.791645][ T6796]  dump_stack_lvl+0xe8/0x150
[  351.791675][ T6796]  sysfs_create_dir_ns+0x271/0x2a0
[  351.791699][ T6796]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  351.791730][ T6796]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  351.791758][ T6796]  ? rt_spin_unlock+0x160/0x200
[  351.791788][ T6796]  kobject_add_internal+0x631/0xd10
[  351.791822][ T6796]  kobject_init_and_add+0x12b/0x1a0
[  351.791852][ T6796]  ? __pfx_kobject_init_and_add+0x10/0x10
[  351.791880][ T6796]  ? __raw_spin_lock_init+0x45/0x100
[  351.791912][ T6796]  ? __init_swait_queue_head+0xa9/0x150
[  351.791938][ T6796]  gfs2_sys_fs_add+0x257/0x480
[  351.791961][ T6796]  ? is_dynamic_key+0x1ac/0x1c0
[  351.791986][ T6796]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  351.792018][ T6796]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  351.792057][ T6796]  gfs2_fill_super+0x141c/0x2220
[  351.792101][ T6796]  ? __pfx_gfs2_fill_super+0x10/0x10
[  351.792127][ T6796]  ? rt_spin_unlock+0x14f/0x200
[  351.792159][ T6796]  ? sb_set_blocksize+0x11b/0x210
[  351.792188][ T6796]  ? setup_bdev_super+0x4c1/0x5b0
[  351.792219][ T6796]  get_tree_bdev_flags+0x431/0x4f0
[  351.792249][ T6796]  ? __pfx_gfs2_fill_super+0x10/0x10
[  351.792277][ T6796]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  351.792303][ T6796]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  351.792341][ T6796]  gfs2_get_tree+0x51/0x1e0
[  351.792373][ T6796]  vfs_get_tree+0x92/0x2a0
[  351.792404][ T6796]  do_new_mount+0x341/0xd30
[  351.792425][ T6796]  ? apparmor_capable+0x126/0x170
[  351.792459][ T6796]  ? __pfx_do_new_mount+0x10/0x10
[  351.792486][ T6796]  ? ns_capable+0x89/0xe0
[  351.792511][ T6796]  ? user_path_at+0xd4/0x160
[  351.792540][ T6796]  ? user_path_at+0xd4/0x160
[  351.792567][ T6796]  __se_sys_mount+0x31d/0x420
[  351.792596][ T6796]  ? __pfx___se_sys_mount+0x10/0x10
[  351.792627][ T6796]  ? __x64_sys_mount+0x20/0xc0
[  351.792649][ T6796]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.792666][ T6796]  do_syscall_64+0x15f/0xf80
[  351.792684][ T6796]  ? trace_irq_disable+0x3b/0x140
[  351.792707][ T6796]  ? clear_bhb_loop+0x40/0x90
[  351.792732][ T6796]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.792751][ T6796] RIP: 0033:0x7f300fbada8a
[  351.792771][ T6796] 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
[  351.792788][ T6796] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  351.792810][ T6796] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  351.792825][ T6796] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  351.792839][ T6796] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  351.792852][ T6796] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  351.792864][ T6796] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  351.792915][ T6796]  </TASK>
[  351.792943][ T6796] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  351.792959][ T6796] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  352.390050][ T6799] loop1: detected capacity change from 0 to 32768
[  352.403285][ T6799] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  352.403306][ T6799] CPU: 0 UID: 0 PID: 6799 Comm: syz.1.265 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  352.403329][ T6799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  352.403340][ T6799] Call Trace:
[  352.403348][ T6799]  <TASK>
[  352.403356][ T6799]  dump_stack_lvl+0xe8/0x150
[  352.403385][ T6799]  sysfs_create_dir_ns+0x271/0x2a0
[  352.403409][ T6799]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  352.403438][ T6799]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  352.403465][ T6799]  ? rt_spin_unlock+0x160/0x200
[  352.403493][ T6799]  kobject_add_internal+0x631/0xd10
[  352.403527][ T6799]  kobject_init_and_add+0x12b/0x1a0
[  352.403558][ T6799]  ? __pfx_kobject_init_and_add+0x10/0x10
[  352.403599][ T6799]  ? __raw_spin_lock_init+0x45/0x100
[  352.403622][ T6799]  ? __init_swait_queue_head+0xa9/0x150
[  352.403647][ T6799]  gfs2_sys_fs_add+0x257/0x480
[  352.403669][ T6799]  ? is_dynamic_key+0x1ac/0x1c0
[  352.403693][ T6799]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  352.403723][ T6799]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  352.403758][ T6799]  gfs2_fill_super+0x141c/0x2220
[  352.403798][ T6799]  ? __pfx_gfs2_fill_super+0x10/0x10
[  352.403824][ T6799]  ? rt_spin_unlock+0x14f/0x200
[  352.403858][ T6799]  ? sb_set_blocksize+0x11b/0x210
[  352.403886][ T6799]  ? setup_bdev_super+0x4c1/0x5b0
[  352.403916][ T6799]  get_tree_bdev_flags+0x431/0x4f0
[  352.403945][ T6799]  ? __pfx_gfs2_fill_super+0x10/0x10
[  352.403971][ T6799]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  352.403997][ T6799]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  352.404035][ T6799]  gfs2_get_tree+0x51/0x1e0
[  352.404066][ T6799]  vfs_get_tree+0x92/0x2a0
[  352.404101][ T6799]  do_new_mount+0x341/0xd30
[  352.404139][ T6799]  ? apparmor_capable+0x126/0x170
[  352.404183][ T6799]  ? __pfx_do_new_mount+0x10/0x10
[  352.404213][ T6799]  ? ns_capable+0x89/0xe0
[  352.404235][ T6799]  ? user_path_at+0xd4/0x160
[  352.404261][ T6799]  ? user_path_at+0xd4/0x160
[  352.404288][ T6799]  __se_sys_mount+0x31d/0x420
[  352.404318][ T6799]  ? __pfx___se_sys_mount+0x10/0x10
[  352.404348][ T6799]  ? __x64_sys_mount+0x20/0xc0
[  352.404370][ T6799]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.404392][ T6799]  do_syscall_64+0x15f/0xf80
[  352.404413][ T6799]  ? trace_irq_disable+0x3b/0x140
[  352.404434][ T6799]  ? clear_bhb_loop+0x40/0x90
[  352.404457][ T6799]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.404477][ T6799] RIP: 0033:0x7f300fbada8a
[  352.404495][ T6799] 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
[  352.404512][ T6799] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  352.404532][ T6799] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  352.404547][ T6799] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  352.404560][ T6799] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  352.404581][ T6799] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  352.404594][ T6799] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  352.404625][ T6799]  </TASK>
[  352.404708][ T6799] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  352.404725][ T6799] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  352.978237][ T6802] loop1: detected capacity change from 0 to 32768
[  352.988770][ T6802] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  352.988796][ T6802] CPU: 1 UID: 0 PID: 6802 Comm: syz.1.266 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  352.988827][ T6802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  352.988839][ T6802] Call Trace:
[  352.988848][ T6802]  <TASK>
[  352.988855][ T6802]  dump_stack_lvl+0xe8/0x150
[  352.988883][ T6802]  sysfs_create_dir_ns+0x271/0x2a0
[  352.988906][ T6802]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  352.988935][ T6802]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  352.988961][ T6802]  ? rt_spin_unlock+0x160/0x200
[  352.988989][ T6802]  kobject_add_internal+0x631/0xd10
[  352.989021][ T6802]  kobject_init_and_add+0x12b/0x1a0
[  352.989049][ T6802]  ? __pfx_kobject_init_and_add+0x10/0x10
[  352.989078][ T6802]  ? __raw_spin_lock_init+0x45/0x100
[  352.989102][ T6802]  ? __init_swait_queue_head+0xa9/0x150
[  352.989127][ T6802]  gfs2_sys_fs_add+0x257/0x480
[  352.989148][ T6802]  ? is_dynamic_key+0x1ac/0x1c0
[  352.989171][ T6802]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  352.989202][ T6802]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  352.989239][ T6802]  gfs2_fill_super+0x141c/0x2220
[  352.989280][ T6802]  ? __pfx_gfs2_fill_super+0x10/0x10
[  352.989305][ T6802]  ? rt_spin_unlock+0x14f/0x200
[  352.989335][ T6802]  ? sb_set_blocksize+0x11b/0x210
[  352.989363][ T6802]  ? setup_bdev_super+0x4c1/0x5b0
[  352.989392][ T6802]  get_tree_bdev_flags+0x431/0x4f0
[  352.989419][ T6802]  ? __pfx_gfs2_fill_super+0x10/0x10
[  352.989447][ T6802]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  352.989471][ T6802]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  352.989506][ T6802]  gfs2_get_tree+0x51/0x1e0
[  352.989536][ T6802]  vfs_get_tree+0x92/0x2a0
[  352.989564][ T6802]  do_new_mount+0x341/0xd30
[  352.989584][ T6802]  ? apparmor_capable+0x126/0x170
[  352.989617][ T6802]  ? __pfx_do_new_mount+0x10/0x10
[  352.989638][ T6802]  ? ns_capable+0x89/0xe0
[  352.989661][ T6802]  ? user_path_at+0xd4/0x160
[  352.989688][ T6802]  ? user_path_at+0xd4/0x160
[  352.989713][ T6802]  __se_sys_mount+0x31d/0x420
[  352.989741][ T6802]  ? __pfx___se_sys_mount+0x10/0x10
[  352.989769][ T6802]  ? __x64_sys_mount+0x20/0xc0
[  352.989788][ T6802]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.989815][ T6802]  do_syscall_64+0x15f/0xf80
[  352.989835][ T6802]  ? trace_irq_disable+0x3b/0x140
[  352.989856][ T6802]  ? clear_bhb_loop+0x40/0x90
[  352.989879][ T6802]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.989897][ T6802] RIP: 0033:0x7f300fbada8a
[  352.989915][ T6802] 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
[  352.989932][ T6802] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  352.989953][ T6802] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  352.989968][ T6802] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  352.989982][ T6802] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  352.989994][ T6802] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  352.990007][ T6802] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  352.990036][ T6802]  </TASK>
[  352.990148][ T6802] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  352.990164][ T6802] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  353.506914][ T6805] loop1: detected capacity change from 0 to 32768
[  353.536360][ T6805] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  353.536375][ T6805] CPU: 0 UID: 0 PID: 6805 Comm: syz.1.267 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  353.536389][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  353.536396][ T6805] Call Trace:
[  353.536400][ T6805]  <TASK>
[  353.536405][ T6805]  dump_stack_lvl+0xe8/0x150
[  353.536424][ T6805]  sysfs_create_dir_ns+0x271/0x2a0
[  353.536438][ T6805]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  353.536455][ T6805]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  353.536470][ T6805]  ? rt_spin_unlock+0x160/0x200
[  353.536486][ T6805]  kobject_add_internal+0x631/0xd10
[  353.536504][ T6805]  kobject_init_and_add+0x12b/0x1a0
[  353.536527][ T6805]  ? __pfx_kobject_init_and_add+0x10/0x10
[  353.536541][ T6805]  ? __raw_spin_lock_init+0x45/0x100
[  353.536555][ T6805]  ? __init_swait_queue_head+0xa9/0x150
[  353.536569][ T6805]  gfs2_sys_fs_add+0x257/0x480
[  353.536582][ T6805]  ? is_dynamic_key+0x1ac/0x1c0
[  353.536596][ T6805]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  353.536613][ T6805]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  353.536634][ T6805]  gfs2_fill_super+0x141c/0x2220
[  353.536661][ T6805]  ? __pfx_gfs2_fill_super+0x10/0x10
[  353.536676][ T6805]  ? rt_spin_unlock+0x14f/0x200
[  353.536693][ T6805]  ? sb_set_blocksize+0x11b/0x210
[  353.536710][ T6805]  ? setup_bdev_super+0x4c1/0x5b0
[  353.536728][ T6805]  get_tree_bdev_flags+0x431/0x4f0
[  353.536744][ T6805]  ? __pfx_gfs2_fill_super+0x10/0x10
[  353.536761][ T6805]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  353.536777][ T6805]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  353.536797][ T6805]  gfs2_get_tree+0x51/0x1e0
[  353.536815][ T6805]  vfs_get_tree+0x92/0x2a0
[  353.536831][ T6805]  do_new_mount+0x341/0xd30
[  353.536844][ T6805]  ? apparmor_capable+0x126/0x170
[  353.536863][ T6805]  ? __pfx_do_new_mount+0x10/0x10
[  353.536875][ T6805]  ? ns_capable+0x89/0xe0
[  353.536889][ T6805]  ? user_path_at+0xd4/0x160
[  353.536905][ T6805]  ? user_path_at+0xd4/0x160
[  353.536920][ T6805]  __se_sys_mount+0x31d/0x420
[  353.536940][ T6805]  ? __pfx___se_sys_mount+0x10/0x10
[  353.536956][ T6805]  ? __x64_sys_mount+0x20/0xc0
[  353.536968][ T6805]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  353.536980][ T6805]  do_syscall_64+0x15f/0xf80
[  353.536992][ T6805]  ? trace_irq_disable+0x3b/0x140
[  353.537004][ T6805]  ? clear_bhb_loop+0x40/0x90
[  353.537017][ T6805]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  353.537028][ T6805] RIP: 0033:0x7f300fbada8a
[  353.537039][ T6805] 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
[  353.537049][ T6805] RSP: 002b:00007ffe5dfa3918 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  353.537062][ T6805] RAX: ffffffffffffffda RBX: 00007ffe5dfa39a0 RCX: 00007f300fbada8a
[  353.537070][ T6805] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe5dfa3960
[  353.537078][ T6805] RBP: 000020000001f680 R08: 00007ffe5dfa39a0 R09: 0000000000000084
[  353.537085][ T6805] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  353.537092][ T6805] R13: 00007ffe5dfa3960 R14: 000000000001f707 R15: 0000200000000000
[  353.537109][ T6805]  </TASK>
[  353.537132][ T6805] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  353.537141][ T6805] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  353.575105][   T38] INFO: task kworker/0:2:821 blocked in I/O wait for more than 143 seconds.
[  353.575130][   T38]       Not tainted syzkaller #0
[  353.575141][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  353.575163][   T38] task:kworker/0:2     state:D stack:22144 pid:821   tgid:821   ppid:2      task_flags:0x4208060 flags:0x00080000
[  353.575219][   T38] Workqueue: gfs2_recovery gfs2_recover_func
[  353.575250][   T38] Call Trace:
[  353.575257][   T38]  <TASK>
[  353.575273][   T38]  __schedule+0x169e/0x54f0
[  353.575298][   T38]  ? __lock_acquire+0x6b5/0x2cf0
[  353.575331][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  353.575366][   T38]  ? __pfx___schedule+0x10/0x10
[  353.575393][   T38]  ? schedule+0x90/0x360
[  353.575415][   T38]  schedule+0x164/0x360
[  353.575437][   T38]  io_schedule+0x7f/0xd0
[  353.575458][   T38]  folio_wait_bit_common+0x6dd/0xbc0
[  353.575503][   T38]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  353.575533][   T38]  ? __pfx_wake_page_function+0x10/0x10
[  353.575559][   T38]  ? __get_log_header+0x2a3/0x630
[  353.575591][   T38]  ? __filemap_get_folio_mpol+0x6fa/0xa50
[  353.575617][   T38]  gfs2_jhead_process_page+0x175/0x670
[  353.575647][   T38]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  353.575684][   T38]  gfs2_find_jhead+0xbd2/0xd30
[  353.575727][   T38]  gfs2_recover_func+0x6cf/0x1f60
[  353.575753][   T38]  ? unwind_next_frame+0xa6/0x2550
[  353.575784][   T38]  ? ret_from_fork_asm+0x1a/0x30
[  353.575820][   T38]  ? ret_from_fork_asm+0x1a/0x30
[  353.575847][   T38]  ? stack_trace_save+0xa9/0x100
[  353.575881][   T38]  ? __pfx_gfs2_recover_func+0x10/0x10
[  353.575910][   T38]  ? check_path+0x21/0x40
[  353.575941][   T38]  ? add_lock_to_list+0xc7/0x100
[  353.575969][   T38]  ? lockdep_unlock+0x5d/0xd0
[  353.575988][   T38]  ? __lock_acquire+0x146e/0x2cf0
[  353.576034][   T38]  ? process_one_work+0x8b7/0x1710
[  353.576069][   T38]  ? process_one_work+0x8b7/0x1710
[  353.576087][   T38]  process_one_work+0x9a3/0x1710
[  353.576126][   T38]  ? __pfx_process_one_work+0x10/0x10
[  353.576143][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  353.576179][   T38]  worker_thread+0xba8/0x11e0
[  353.576207][   T38]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  353.576231][   T38]  ? __kthread_parkme+0x7a/0x1f0
[  353.576253][   T38]  ? __kthread_parkme+0x19c/0x1f0
[  353.576280][   T38]  kthread+0x388/0x470
[  353.576303][   T38]  ? __pfx_worker_thread+0x10/0x10
[  353.576323][   T38]  ? __pfx_kthread+0x10/0x10
[  353.576348][   T38]  ret_from_fork+0x514/0xb70
[  353.576372][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  353.576392][   T38]  ? __switch_to+0xc79/0x1410
[  353.576422][   T38]  ? __pfx_kthread+0x10/0x10
[  353.576447][   T38]  ret_from_fork_asm+0x1a/0x30
[  353.580198][   T38]  </TASK>
[  353.580324][   T38] INFO: task syz.0.17:6020 blocked for more than 143 seconds.
[  353.580340][   T38]       Not tainted syzkaller #0
[  353.580351][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  353.580360][   T38] task:syz.0.17        state:D stack:23424 pid:6020  tgid:6020  ppid:5961   task_flags:0x400140 flags:0x00080002
[  353.580431][   T38] Call Trace:
[  353.580438][   T38]  <TASK>
[  353.580450][   T38]  __schedule+0x169e/0x54f0
[  353.580476][   T38]  ? __lock_acquire+0x6b5/0x2cf0
[  353.580508][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  353.580542][   T38]  ? __pfx___schedule+0x10/0x10
[  353.580567][   T38]  ? schedule+0x90/0x360
[  353.580589][   T38]  schedule+0x164/0x360
[  353.580610][   T38]  bit_wait+0x11/0xd0
[  353.580633][   T38]  __wait_on_bit+0xb9/0x300
[  353.580655][   T38]  ? __pfx_bit_wait+0x10/0x10
[  353.580679][   T38]  out_of_line_wait_on_bit+0x13b/0x190
[  353.580702][   T38]  ? __pfx_bit_wait+0x10/0x10
[  353.580722][   T38]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  353.580745][   T38]  ? __pfx_wake_bit_function+0x10/0x10
[  353.580784][   T38]  gfs2_recover_journal+0xda/0x140
[  353.580812][   T38]  init_journal+0x16ad/0x2280
[  353.580852][   T38]  ? init_inodes+0xdb/0x320
[  353.580882][   T38]  ? __pfx_init_journal+0x10/0x10
[  353.580922][   T38]  ? snprintf+0xe8/0x140
[  353.580949][   T38]  ? init_inodes+0xdb/0x320
[  353.580977][   T38]  ? __pfx_snprintf+0x10/0x10
[  353.581003][   T38]  ? gfs2_glock_nq_num+0x13d/0x170
[  353.581026][   T38]  init_inodes+0xdb/0x320
[  353.581055][   T38]  gfs2_fill_super+0x1a92/0x2220
[  353.581097][   T38]  ? __pfx_gfs2_fill_super+0x10/0x10
[  353.581122][   T38]  ? rt_spin_unlock+0x14f/0x200
[  353.581152][   T38]  ? init_locking+0xb8/0x210
[  353.581177][   T38]  ? sb_set_blocksize+0x11b/0x210
[  353.581205][   T38]  ? setup_bdev_super+0x4c1/0x5b0
[  353.581235][   T38]  get_tree_bdev_flags+0x431/0x4f0
[  353.581262][   T38]  ? __pfx_gfs2_fill_super+0x10/0x10
[  353.581290][   T38]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  353.581315][   T38]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  353.581350][   T38]  gfs2_get_tree+0x51/0x1e0
[  353.581381][   T38]  vfs_get_tree+0x92/0x2a0
[  353.581410][   T38]  do_new_mount+0x341/0xd30
[  353.581430][   T38]  ? apparmor_capable+0x126/0x170
[  353.581462][   T38]  ? __pfx_do_new_mount+0x10/0x10
[  353.581484][   T38]  ? ns_capable+0x89/0xe0
[  353.581508][   T38]  ? user_path_at+0xd4/0x160
[  353.581536][   T38]  ? user_path_at+0xd4/0x160
[  353.581562][   T38]  __se_sys_mount+0x31d/0x420
[  353.581590][   T38]  ? __pfx___se_sys_mount+0x10/0x10
[  353.584792][   T38]  ? __x64_sys_mount+0x20/0xc0
[  353.584824][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  353.584847][   T38]  do_syscall_64+0x15f/0xf80
[  353.585301][   T38]  ? trace_irq_disable+0x3b/0x140
[  353.585327][   T38]  ? clear_bhb_loop+0x40/0x90
[  353.585351][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  353.585371][   T38] RIP: 0033:0x7f12ff6dda8a
[  353.585389][   T38] RSP: 002b:00007ffe6dab6108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  353.585409][   T38] RAX: ffffffffffffffda RBX: 00007ffe6dab6190 RCX: 00007f12ff6dda8a
[  353.585425][   T38] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe6dab6150
[  353.585439][   T38] RBP: 000020000001f680 R08: 00007ffe6dab6190 R09: 0000000000000084
[  353.585452][   T38] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  353.585465][   T38] R13: 00007ffe6dab6150 R14: 000000000001f707 R15: 0000200000000000
[  353.585496][   T38]  </TASK>
[  353.585525][   T38] 
[  353.585525][   T38] Showing all locks held in the system:
[  353.585536][   T38] 4 locks held by pr/legacy/17:
[  353.585548][   T38]  #0: ffffffff8dfba3a0 (console_lock){+.+.}-{0:0}, at: legacy_kthread_func+0x1a3/0x250
[  353.585598][   T38]  #1: ffffffff8dea1c98 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfa/0xb90
[  353.585645][   T38]  #2: ffffffff99bd6738 (&port_lock_key){+.+.}-{3:3}, at: serial8250_console_write+0x179/0x1b90
[  353.585696][   T38]  #3: ffffffff8dfc8100 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[  353.585749][   T38] 1 lock held by khungtaskd/38:
[  353.585766][   T38]  #0: ffffffff8dfc8100 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  353.585821][   T38] 2 locks held by kworker/0:2/821:
[  353.585832][   T38]  #0: ffff88801f330538 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[  353.585875][   T38]  #1: ffffc90005167c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[  353.585939][   T38] 2 locks held by getty/5580:
[  353.585950][   T38]  #0: ffff88802cf230a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  353.585996][   T38]  #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[  353.586051][   T38] 1 lock held by syz.0.17/6020:
[  353.586061][   T38]  #0: ffff88803d1c40d0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xac0
[  353.586132][   T38] 3 locks held by syz-executor/6024:
[  353.586144][   T38]  #0: ffff8880350fc480 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[  353.586196][   T38]  #1: ffff88803ae00388 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: filename_rmdir+0x1cd/0x520
[  353.586246][   T38]  #2: ffffffff8e6e7878 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_perm+0x251/0x560
[  353.586291][   T38] 3 locks held by udevd/6028:
[  353.586301][   T38]  #0: ffff88802330b108 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_read_iter+0x2ff/0x440
[  353.586349][   T38]  #1: ffff88802330b2d8 (mapping.invalidate_lock){++++}-{4:4}, at: force_page_cache_ra+0x263/0x2e0
[  353.586391][   T38]  #2: ffffffff8dfc8100 (rcu_read_lock){....}-{1:3}, at: blk_mq_dispatch_queue_requests+0x552/0x800
[  353.586444][   T38] 
[  353.586449][   T38] =============================================
[  353.586449][   T38] 
[  353.586467][   T38] NMI backtrace for cpu 1
[  353.586481][   T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  353.586501][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  353.586513][   T38] Call Trace:
[  353.586521][   T38]  <TASK>
[  353.586529][   T38]  dump_stack_lvl+0xe8/0x150
[  353.586551][   T38]  nmi_cpu_backtrace+0x274/0x2d0
[  353.586577][   T38]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  353.586602][   T38]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  353.586630][   T38]  sys_info+0x135/0x170
[  353.586654][   T38]  watchdog+0xfd3/0x1030
[  353.586681][   T38]  ? watchdog+0x1c9/0x1030
[  353.586705][   T38]  kthread+0x388/0x470
[  353.586729][   T38]  ? __pfx_watchdog+0x10/0x10
[  353.586748][   T38]  ? __pfx_kthread+0x10/0x10
[  353.586778][   T38]  ret_from_fork+0x514/0xb70
[  353.586801][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  353.586820][   T38]  ? __switch_to+0xc79/0x1410
[  353.586849][   T38]  ? __pfx_kthread+0x10/0x10
[  353.586874][   T38]  ret_from_fork_asm+0x1a/0x30
[  353.586910][   T38]  </TASK>
[  353.586931][   T38] Sending NMI from CPU 1 to CPUs 0:
[  353.586958][    C0] NMI backtrace for cpu 0
[  353.586971][    C0] CPU: 0 UID: 0 PID: 17 Comm: pr/legacy Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  353.586989][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  353.586999][    C0] RIP: 0010:preempt_count_sub+0x5/0x170
[  353.587019][    C0] Code: ff ff ff 48 c7 c7 14 55 8d 8f e8 46 63 9a 00 e9 62 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <53> 48 bb 00 00 00 00 00 fc ff df 48 c7 c0 e0 b3 81 99 48 c1 e8 03
[  353.587033][    C0] RSP: 0018:ffffc900001679c0 EFLAGS: 00000216
[  353.587047][    C0] RAX: 0000000057f985da RBX: 0000000000000899 RCX: 0000000000000000
[  353.587059][    C0] RDX: 00000000000000b7 RSI: ffffffff8ba84940 RDI: 0000000000000001
[  353.587070][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  353.587080][    C0] R10: dffffc0000000000 R11: ffffffff8b350800 R12: 1ffffffff337ad3e
[  353.587093][    C0] R13: 00000000ffffffff R14: 000000b757f97d32 R15: 00000000000008a8
[  353.587104][    C0] FS:  0000000000000000(0000) GS:ffff888125eba000(0000) knlGS:0000000000000000
[  353.587117][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  353.587128][    C0] CR2: 000055558e5c4a68 CR3: 000000003b756000 CR4: 00000000003526f0
[  353.587143][    C0] Call Trace:
[  353.587149][    C0]  <TASK>
[  353.587156][    C0]  delay_tsc+0xa1/0xc0
[  353.587177][    C0]  wait_for_lsr+0x166/0x2f0
[  353.587200][    C0]  serial8250_console_write+0x120d/0x1b90
[  353.587228][    C0]  ? __pfx_serial8250_console_write+0x10/0x10
[  353.587249][    C0]  ? console_flush_one_record+0xfa/0xb90
[  353.587271][    C0]  ? console_flush_one_record+0x48f/0xb90
[  353.587292][    C0]  console_flush_one_record+0x68b/0xb90
[  353.587314][    C0]  ? console_flush_one_record+0xfa/0xb90
[  353.587335][    C0]  ? __pfx_console_flush_one_record+0x10/0x10
[  353.587355][    C0]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  353.587375][    C0]  legacy_kthread_func+0x1b6/0x250
[  353.587396][    C0]  ? __pfx_legacy_kthread_func+0x10/0x10
[  353.587414][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
[  353.587434][    C0]  ? __kthread_parkme+0x7a/0x1f0
[  353.587455][    C0]  kthread+0x388/0x470
[  353.587474][    C0]  ? __pfx_legacy_kthread_func+0x10/0x10
[  353.587491][    C0]  ? __pfx_kthread+0x10/0x10
[  353.587516][    C0]  ret_from_fork+0x514/0xb70
[  353.587534][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  353.587551][    C0]  ? __switch_to+0xc79/0x1410
[  353.587574][    C0]  ? __pfx_kthread+0x10/0x10
[  353.587594][    C0]  ret_from_fork_asm+0x1a/0x30
[  353.587619][    C0]  </TASK>
[  353.594313][   T38] Kernel panic - not syncing: hung_task: blocked tasks
[  353.594331][   T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  353.594353][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[  353.594365][   T38] Call Trace:
[  353.594373][   T38]  <TASK>
[  353.594381][   T38]  vpanic+0x56c/0xa60
[  353.594407][   T38]  ? __pfx___schedule+0x10/0x10
[  353.594427][   T38]  ? __pfx_vpanic+0x10/0x10
[  353.594457][   T38]  panic+0xc5/0xd0
[  353.594478][   T38]  ? __pfx_panic+0x10/0x10
[  353.594500][   T38]  ? preempt_schedule_thunk+0x16/0x30
[  353.594530][   T38]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  353.594559][   T38]  watchdog+0x102c/0x1030
[  353.594585][   T38]  ? watchdog+0x1c9/0x1030
[  353.594608][   T38]  kthread+0x388/0x470
[  353.594635][   T38]  ? __pfx_watchdog+0x10/0x10
[  353.594653][   T38]  ? __pfx_kthread+0x10/0x10
[  353.594676][   T38]  ret_from_fork+0x514/0xb70
[  353.594699][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  353.594719][   T38]  ? __switch_to+0xc79/0x1410
[  353.594747][   T38]  ? __pfx_kthread+0x10/0x10
[  353.594776][   T38]  ret_from_fork_asm+0x1a/0x30
[  353.594813][   T38]  </TASK>
[  353.595224][   T38] Kernel Offset: disabled