T7524]  vfs_get_tree+0x92/0x2a0
[  307.034978][ T7524]  do_new_mount+0x341/0xd30
[  307.034995][ T7524]  ? apparmor_capable+0x126/0x170
[  307.035022][ T7524]  ? __pfx_do_new_mount+0x10/0x10
[  307.035035][ T7524]  ? ns_capable+0x89/0xe0
[  307.035054][ T7524]  ? user_path_at+0xd4/0x160
[  307.035094][ T7524]  ? user_path_at+0xd4/0x160
[  307.035111][ T7524]  __se_sys_mount+0x31d/0x420
[  307.035129][ T7524]  ? __pfx___se_sys_mount+0x10/0x10
[  307.035147][ T7524]  ? __x64_sys_mount+0x20/0xc0
[  307.035160][ T7524]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.035175][ T7524]  do_syscall_64+0x15f/0xf80
[  307.035193][ T7524]  ? trace_irq_disable+0x3b/0x140
[  307.035211][ T7524]  ? clear_bhb_loop+0x40/0x90
[  307.035227][ T7524]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.035240][ T7524] RIP: 0033:0x7f9404e8b60a
[  307.035257][ T7524] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  307.035271][ T7524] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.035290][ T7524] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  307.035304][ T7524] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  307.035315][ T7524] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  307.035326][ T7524] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  307.035338][ T7524] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  307.035373][ T7524]  </TASK>
[  307.035397][ T7524] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.035408][ T7524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.650503][ T7529] loop1: detected capacity change from 0 to 32768
[  307.663470][ T7529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.663490][ T7529] CPU: 1 UID: 0 PID: 7529 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  307.663509][ T7529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  307.663519][ T7529] Call Trace:
[  307.663525][ T7529]  <TASK>
[  307.663532][ T7529]  dump_stack_lvl+0xe8/0x150
[  307.663559][ T7529]  sysfs_create_dir_ns+0x271/0x2a0
[  307.663578][ T7529]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  307.663601][ T7529]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  307.663620][ T7529]  ? rt_spin_unlock+0x160/0x200
[  307.663641][ T7529]  kobject_add_internal+0x631/0xd10
[  307.663663][ T7529]  kobject_init_and_add+0x12b/0x1a0
[  307.663684][ T7529]  ? __pfx_kobject_init_and_add+0x10/0x10
[  307.663703][ T7529]  ? __raw_spin_lock_init+0x45/0x100
[  307.663726][ T7529]  ? __init_swait_queue_head+0xa9/0x150
[  307.663750][ T7529]  gfs2_sys_fs_add+0x257/0x480
[  307.663769][ T7529]  ? is_dynamic_key+0x1ac/0x1c0
[  307.663793][ T7529]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  307.663817][ T7529]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  307.663852][ T7529]  gfs2_fill_super+0x141c/0x2220
[  307.663891][ T7529]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.663916][ T7529]  ? rt_spin_unlock+0x14f/0x200
[  307.663937][ T7529]  ? sb_set_blocksize+0x11b/0x210
[  307.663963][ T7529]  ? setup_bdev_super+0x4c1/0x5b0
[  307.663988][ T7529]  get_tree_bdev_flags+0x431/0x4f0
[  307.664010][ T7529]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.664031][ T7529]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  307.664050][ T7529]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  307.664087][ T7529]  gfs2_get_tree+0x51/0x1e0
[  307.664113][ T7529]  vfs_get_tree+0x92/0x2a0
[  307.664137][ T7529]  do_new_mount+0x341/0xd30
[  307.664153][ T7529]  ? apparmor_capable+0x126/0x170
[  307.664186][ T7529]  ? __pfx_do_new_mount+0x10/0x10
[  307.664204][ T7529]  ? ns_capable+0x89/0xe0
[  307.664229][ T7529]  ? user_path_at+0xd4/0x160
[  307.664252][ T7529]  ? user_path_at+0xd4/0x160
[  307.664272][ T7529]  __se_sys_mount+0x31d/0x420
[  307.664296][ T7529]  ? __pfx___se_sys_mount+0x10/0x10
[  307.664319][ T7529]  ? __x64_sys_mount+0x20/0xc0
[  307.664335][ T7529]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.664354][ T7529]  do_syscall_64+0x15f/0xf80
[  307.664375][ T7529]  ? trace_irq_disable+0x3b/0x140
[  307.664397][ T7529]  ? clear_bhb_loop+0x40/0x90
[  307.664417][ T7529]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.664434][ T7529] RIP: 0033:0x7f9404e8b60a
[  307.664451][ T7529] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  307.664466][ T7529] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.664486][ T7529] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  307.664500][ T7529] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  307.664512][ T7529] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  307.664524][ T7529] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  307.664536][ T7529] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  307.664564][ T7529]  </TASK>
[  307.665183][ T7529] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.665216][ T7529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.225983][ T7534] loop1: detected capacity change from 0 to 32768
[  308.233120][ T7534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  308.233144][ T7534] CPU: 0 UID: 0 PID: 7534 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  308.233164][ T7534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  308.233175][ T7534] Call Trace:
[  308.233182][ T7534]  <TASK>
[  308.233190][ T7534]  dump_stack_lvl+0xe8/0x150
[  308.233221][ T7534]  sysfs_create_dir_ns+0x271/0x2a0
[  308.233238][ T7534]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  308.233261][ T7534]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  308.233282][ T7534]  ? rt_spin_unlock+0x160/0x200
[  308.233303][ T7534]  kobject_add_internal+0x631/0xd10
[  308.233328][ T7534]  kobject_init_and_add+0x12b/0x1a0
[  308.233349][ T7534]  ? __pfx_kobject_init_and_add+0x10/0x10
[  308.233368][ T7534]  ? __raw_spin_lock_init+0x45/0x100
[  308.233391][ T7534]  ? __init_swait_queue_head+0xa9/0x150
[  308.233416][ T7534]  gfs2_sys_fs_add+0x257/0x480
[  308.233434][ T7534]  ? is_dynamic_key+0x1ac/0x1c0
[  308.233457][ T7534]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  308.233483][ T7534]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  308.233520][ T7534]  gfs2_fill_super+0x141c/0x2220
[  308.233558][ T7534]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.233580][ T7534]  ? rt_spin_unlock+0x14f/0x200
[  308.233604][ T7534]  ? sb_set_blocksize+0x11b/0x210
[  308.233632][ T7534]  ? setup_bdev_super+0x4c1/0x5b0
[  308.233658][ T7534]  get_tree_bdev_flags+0x431/0x4f0
[  308.233680][ T7534]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.233704][ T7534]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  308.233724][ T7534]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  308.233757][ T7534]  gfs2_get_tree+0x51/0x1e0
[  308.233784][ T7534]  vfs_get_tree+0x92/0x2a0
[  308.233808][ T7534]  do_new_mount+0x341/0xd30
[  308.233825][ T7534]  ? apparmor_capable+0x126/0x170
[  308.233855][ T7534]  ? __pfx_do_new_mount+0x10/0x10
[  308.233874][ T7534]  ? ns_capable+0x89/0xe0
[  308.233899][ T7534]  ? user_path_at+0xd4/0x160
[  308.233924][ T7534]  ? user_path_at+0xd4/0x160
[  308.233946][ T7534]  __se_sys_mount+0x31d/0x420
[  308.233978][ T7534]  ? __pfx___se_sys_mount+0x10/0x10
[  308.234003][ T7534]  ? __x64_sys_mount+0x20/0xc0
[  308.234021][ T7534]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.234041][ T7534]  do_syscall_64+0x15f/0xf80
[  308.234064][ T7534]  ? trace_irq_disable+0x3b/0x140
[  308.234087][ T7534]  ? clear_bhb_loop+0x40/0x90
[  308.234109][ T7534]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.234127][ T7534] RIP: 0033:0x7f9404e8b60a
[  308.234145][ T7534] 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
[  308.234161][ T7534] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.234181][ T7534] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  308.234195][ T7534] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  308.234207][ T7534] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  308.234220][ T7534] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  308.234232][ T7534] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  308.234261][ T7534]  </TASK>
[  308.254126][ T7534] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  308.254146][ T7534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.811896][ T7538] loop1: detected capacity change from 0 to 32768
[  308.819645][ T7538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  308.819668][ T7538] CPU: 1 UID: 0 PID: 7538 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  308.819689][ T7538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  308.819700][ T7538] Call Trace:
[  308.819707][ T7538]  <TASK>
[  308.819714][ T7538]  dump_stack_lvl+0xe8/0x150
[  308.819746][ T7538]  sysfs_create_dir_ns+0x271/0x2a0
[  308.819766][ T7538]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  308.819790][ T7538]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  308.819812][ T7538]  ? rt_spin_unlock+0x160/0x200
[  308.819833][ T7538]  kobject_add_internal+0x631/0xd10
[  308.819858][ T7538]  kobject_init_and_add+0x12b/0x1a0
[  308.819880][ T7538]  ? __pfx_kobject_init_and_add+0x10/0x10
[  308.819907][ T7538]  ? __raw_spin_lock_init+0x45/0x100
[  308.819931][ T7538]  ? __init_swait_queue_head+0xa9/0x150
[  308.819956][ T7538]  gfs2_sys_fs_add+0x257/0x480
[  308.819976][ T7538]  ? is_dynamic_key+0x1ac/0x1c0
[  308.819999][ T7538]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  308.820026][ T7538]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  308.820063][ T7538]  gfs2_fill_super+0x141c/0x2220
[  308.820100][ T7538]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.820122][ T7538]  ? rt_spin_unlock+0x14f/0x200
[  308.820145][ T7538]  ? sb_set_blocksize+0x11b/0x210
[  308.820169][ T7538]  ? setup_bdev_super+0x4c1/0x5b0
[  308.820193][ T7538]  get_tree_bdev_flags+0x431/0x4f0
[  308.820215][ T7538]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.820237][ T7538]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  308.820257][ T7538]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  308.820288][ T7538]  gfs2_get_tree+0x51/0x1e0
[  308.820314][ T7538]  vfs_get_tree+0x92/0x2a0
[  308.820338][ T7538]  do_new_mount+0x341/0xd30
[  308.820354][ T7538]  ? apparmor_capable+0x126/0x170
[  308.820383][ T7538]  ? __pfx_do_new_mount+0x10/0x10
[  308.820401][ T7538]  ? ns_capable+0x89/0xe0
[  308.820433][ T7538]  ? user_path_at+0xd4/0x160
[  308.820457][ T7538]  ? user_path_at+0xd4/0x160
[  308.820477][ T7538]  __se_sys_mount+0x31d/0x420
[  308.820501][ T7538]  ? __pfx___se_sys_mount+0x10/0x10
[  308.820524][ T7538]  ? __x64_sys_mount+0x20/0xc0
[  308.820541][ T7538]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.820560][ T7538]  do_syscall_64+0x15f/0xf80
[  308.820582][ T7538]  ? trace_irq_disable+0x3b/0x140
[  308.820604][ T7538]  ? clear_bhb_loop+0x40/0x90
[  308.820626][ T7538]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.820643][ T7538] RIP: 0033:0x7f9404e8b60a
[  308.820661][ T7538] 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
[  308.820676][ T7538] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.820695][ T7538] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  308.820709][ T7538] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  308.820721][ T7538] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  308.820733][ T7538] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  308.820745][ T7538] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  308.820773][ T7538]  </TASK>
[  308.820810][ T7538] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  308.820824][ T7538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  309.396410][ T7545] loop1: detected capacity change from 0 to 32768
[  309.402841][ T7545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.402863][ T7545] CPU: 0 UID: 0 PID: 7545 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  309.402890][ T7545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  309.402901][ T7545] Call Trace:
[  309.402909][ T7545]  <TASK>
[  309.402916][ T7545]  dump_stack_lvl+0xe8/0x150
[  309.402944][ T7545]  sysfs_create_dir_ns+0x271/0x2a0
[  309.402964][ T7545]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  309.402988][ T7545]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  309.403010][ T7545]  ? rt_spin_unlock+0x160/0x200
[  309.403032][ T7545]  kobject_add_internal+0x631/0xd10
[  309.403059][ T7545]  kobject_init_and_add+0x12b/0x1a0
[  309.403082][ T7545]  ? __pfx_kobject_init_and_add+0x10/0x10
[  309.403102][ T7545]  ? __raw_spin_lock_init+0x45/0x100
[  309.403126][ T7545]  ? __init_swait_queue_head+0xa9/0x150
[  309.403152][ T7545]  gfs2_sys_fs_add+0x257/0x480
[  309.403172][ T7545]  ? is_dynamic_key+0x1ac/0x1c0
[  309.403197][ T7545]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  309.403226][ T7545]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  309.403261][ T7545]  gfs2_fill_super+0x141c/0x2220
[  309.403297][ T7545]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.403317][ T7545]  ? rt_spin_unlock+0x14f/0x200
[  309.403339][ T7545]  ? sb_set_blocksize+0x11b/0x210
[  309.403364][ T7545]  ? setup_bdev_super+0x4c1/0x5b0
[  309.403388][ T7545]  get_tree_bdev_flags+0x431/0x4f0
[  309.403409][ T7545]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.403431][ T7545]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  309.403449][ T7545]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  309.403480][ T7545]  gfs2_get_tree+0x51/0x1e0
[  309.403505][ T7545]  vfs_get_tree+0x92/0x2a0
[  309.403526][ T7545]  do_new_mount+0x341/0xd30
[  309.403541][ T7545]  ? apparmor_capable+0x126/0x170
[  309.403569][ T7545]  ? __pfx_do_new_mount+0x10/0x10
[  309.403586][ T7545]  ? ns_capable+0x89/0xe0
[  309.403608][ T7545]  ? user_path_at+0xd4/0x160
[  309.403632][ T7545]  ? user_path_at+0xd4/0x160
[  309.403654][ T7545]  __se_sys_mount+0x31d/0x420
[  309.403677][ T7545]  ? __pfx___se_sys_mount+0x10/0x10
[  309.403699][ T7545]  ? __x64_sys_mount+0x20/0xc0
[  309.403716][ T7545]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.403733][ T7545]  do_syscall_64+0x15f/0xf80
[  309.403754][ T7545]  ? trace_irq_disable+0x3b/0x140
[  309.403774][ T7545]  ? clear_bhb_loop+0x40/0x90
[  309.403794][ T7545]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.403812][ T7545] RIP: 0033:0x7f9404e8b60a
[  309.403829][ T7545] 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
[  309.403843][ T7545] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.403862][ T7545] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  309.403873][ T7545] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  309.403893][ T7545] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  309.403904][ T7545] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  309.403916][ T7545] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  309.403943][ T7545]  </TASK>
[  309.454680][ T7545] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.454714][ T7545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  309.965896][ T7550] loop1: detected capacity change from 0 to 32768
[  309.971206][ T7550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.971227][ T7550] CPU: 0 UID: 0 PID: 7550 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  309.971248][ T7550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  309.971259][ T7550] Call Trace:
[  309.971267][ T7550]  <TASK>
[  309.971275][ T7550]  dump_stack_lvl+0xe8/0x150
[  309.971304][ T7550]  sysfs_create_dir_ns+0x271/0x2a0
[  309.971324][ T7550]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  309.971348][ T7550]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  309.971369][ T7550]  ? rt_spin_unlock+0x160/0x200
[  309.971390][ T7550]  kobject_add_internal+0x631/0xd10
[  309.971416][ T7550]  kobject_init_and_add+0x12b/0x1a0
[  309.971439][ T7550]  ? __pfx_kobject_init_and_add+0x10/0x10
[  309.971458][ T7550]  ? __raw_spin_lock_init+0x45/0x100
[  309.971482][ T7550]  ? __init_swait_queue_head+0xa9/0x150
[  309.971509][ T7550]  gfs2_sys_fs_add+0x257/0x480
[  309.971529][ T7550]  ? is_dynamic_key+0x1ac/0x1c0
[  309.971554][ T7550]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  309.971584][ T7550]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  309.971620][ T7550]  gfs2_fill_super+0x141c/0x2220
[  309.971666][ T7550]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.971687][ T7550]  ? rt_spin_unlock+0x14f/0x200
[  309.971711][ T7550]  ? sb_set_blocksize+0x11b/0x210
[  309.971738][ T7550]  ? setup_bdev_super+0x4c1/0x5b0
[  309.971765][ T7550]  get_tree_bdev_flags+0x431/0x4f0
[  309.971787][ T7550]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.971808][ T7550]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  309.971826][ T7550]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  309.971854][ T7550]  gfs2_get_tree+0x51/0x1e0
[  309.971880][ T7550]  vfs_get_tree+0x92/0x2a0
[  309.971906][ T7550]  do_new_mount+0x341/0xd30
[  309.971922][ T7550]  ? apparmor_capable+0x126/0x170
[  309.971953][ T7550]  ? __pfx_do_new_mount+0x10/0x10
[  309.971970][ T7550]  ? ns_capable+0x89/0xe0
[  309.971996][ T7550]  ? user_path_at+0xd4/0x160
[  309.972019][ T7550]  ? user_path_at+0xd4/0x160
[  309.972048][ T7550]  __se_sys_mount+0x31d/0x420
[  309.972072][ T7550]  ? __pfx___se_sys_mount+0x10/0x10
[  309.972097][ T7550]  ? __x64_sys_mount+0x20/0xc0
[  309.972120][ T7550]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.972141][ T7550]  do_syscall_64+0x15f/0xf80
[  309.972164][ T7550]  ? trace_irq_disable+0x3b/0x140
[  309.972187][ T7550]  ? clear_bhb_loop+0x40/0x90
[  309.972210][ T7550]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.972228][ T7550] RIP: 0033:0x7f9404e8b60a
[  309.972247][ T7550] 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
[  309.972262][ T7550] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.972282][ T7550] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  309.972296][ T7550] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  309.972308][ T7550] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  309.972320][ T7550] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  309.972332][ T7550] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  309.972362][ T7550]  </TASK>
[  309.981537][ T7550] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.981557][ T7550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.559547][ T7554] loop1: detected capacity change from 0 to 32768
[  310.570436][ T7554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.570458][ T7554] CPU: 0 UID: 0 PID: 7554 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  310.570478][ T7554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  310.570490][ T7554] Call Trace:
[  310.570497][ T7554]  <TASK>
[  310.570504][ T7554]  dump_stack_lvl+0xe8/0x150
[  310.570533][ T7554]  sysfs_create_dir_ns+0x271/0x2a0
[  310.570553][ T7554]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  310.570577][ T7554]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  310.570599][ T7554]  ? rt_spin_unlock+0x160/0x200
[  310.570621][ T7554]  kobject_add_internal+0x631/0xd10
[  310.570647][ T7554]  kobject_init_and_add+0x12b/0x1a0
[  310.570668][ T7554]  ? __pfx_kobject_init_and_add+0x10/0x10
[  310.570688][ T7554]  ? __raw_spin_lock_init+0x45/0x100
[  310.570713][ T7554]  ? __init_swait_queue_head+0xa9/0x150
[  310.570740][ T7554]  gfs2_sys_fs_add+0x257/0x480
[  310.570760][ T7554]  ? is_dynamic_key+0x1ac/0x1c0
[  310.570785][ T7554]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  310.570814][ T7554]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  310.570859][ T7554]  gfs2_fill_super+0x141c/0x2220
[  310.570899][ T7554]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.570921][ T7554]  ? rt_spin_unlock+0x14f/0x200
[  310.570946][ T7554]  ? sb_set_blocksize+0x11b/0x210
[  310.570973][ T7554]  ? setup_bdev_super+0x4c1/0x5b0
[  310.570999][ T7554]  get_tree_bdev_flags+0x431/0x4f0
[  310.571022][ T7554]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.571046][ T7554]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  310.571067][ T7554]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  310.571099][ T7554]  gfs2_get_tree+0x51/0x1e0
[  310.571126][ T7554]  vfs_get_tree+0x92/0x2a0
[  310.571150][ T7554]  do_new_mount+0x341/0xd30
[  310.571167][ T7554]  ? apparmor_capable+0x126/0x170
[  310.571197][ T7554]  ? __pfx_do_new_mount+0x10/0x10
[  310.571215][ T7554]  ? ns_capable+0x89/0xe0
[  310.571244][ T7554]  ? user_path_at+0xd4/0x160
[  310.571267][ T7554]  ? user_path_at+0xd4/0x160
[  310.571288][ T7554]  __se_sys_mount+0x31d/0x420
[  310.571313][ T7554]  ? __pfx___se_sys_mount+0x10/0x10
[  310.571338][ T7554]  ? __x64_sys_mount+0x20/0xc0
[  310.571355][ T7554]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.571376][ T7554]  do_syscall_64+0x15f/0xf80
[  310.571398][ T7554]  ? trace_irq_disable+0x3b/0x140
[  310.571421][ T7554]  ? clear_bhb_loop+0x40/0x90
[  310.571443][ T7554]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.571460][ T7554] RIP: 0033:0x7f9404e8b60a
[  310.571478][ T7554] 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
[  310.571493][ T7554] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  310.571512][ T7554] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  310.571525][ T7554] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  310.571538][ T7554] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  310.571550][ T7554] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  310.571561][ T7554] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  310.571592][ T7554]  </TASK>
[  310.575929][ T7554] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  310.575949][ T7554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  311.275755][ T7558] loop1: detected capacity change from 0 to 32768
[  311.280020][ T7558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  311.280042][ T7558] CPU: 0 UID: 0 PID: 7558 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  311.280062][ T7558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  311.280073][ T7558] Call Trace:
[  311.280081][ T7558]  <TASK>
[  311.280089][ T7558]  dump_stack_lvl+0xe8/0x150
[  311.280118][ T7558]  sysfs_create_dir_ns+0x271/0x2a0
[  311.280137][ T7558]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  311.280165][ T7558]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  311.280187][ T7558]  ? rt_spin_unlock+0x160/0x200
[  311.280209][ T7558]  kobject_add_internal+0x631/0xd10
[  311.280235][ T7558]  kobject_init_and_add+0x12b/0x1a0
[  311.280258][ T7558]  ? __pfx_kobject_init_and_add+0x10/0x10
[  311.280278][ T7558]  ? __raw_spin_lock_init+0x45/0x100
[  311.280302][ T7558]  ? __init_swait_queue_head+0xa9/0x150
2026/05/01 21:32:31 executed programs: 220
[  311.280329][ T7558]  gfs2_sys_fs_add+0x257/0x480
[  311.280350][ T7558]  ? is_dynamic_key+0x1ac/0x1c0
[  311.280375][ T7558]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  311.280402][ T7558]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  311.280440][ T7558]  gfs2_fill_super+0x141c/0x2220
[  311.280478][ T7558]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.280500][ T7558]  ? rt_spin_unlock+0x14f/0x200
[  311.280524][ T7558]  ? sb_set_blocksize+0x11b/0x210
[  311.280549][ T7558]  ? setup_bdev_super+0x4c1/0x5b0
[  311.280574][ T7558]  get_tree_bdev_flags+0x431/0x4f0
[  311.280598][ T7558]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.280620][ T7558]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  311.280641][ T7558]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  311.280673][ T7558]  gfs2_get_tree+0x51/0x1e0
[  311.280701][ T7558]  vfs_get_tree+0x92/0x2a0
[  311.280734][ T7558]  do_new_mount+0x341/0xd30
[  311.280751][ T7558]  ? apparmor_capable+0x126/0x170
[  311.280782][ T7558]  ? __pfx_do_new_mount+0x10/0x10
[  311.280800][ T7558]  ? ns_capable+0x89/0xe0
[  311.280825][ T7558]  ? user_path_at+0xd4/0x160
[  311.280849][ T7558]  ? user_path_at+0xd4/0x160
[  311.280868][ T7558]  __se_sys_mount+0x31d/0x420
[  311.280890][ T7558]  ? __pfx___se_sys_mount+0x10/0x10
[  311.280912][ T7558]  ? __x64_sys_mount+0x20/0xc0
[  311.280929][ T7558]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.280947][ T7558]  do_syscall_64+0x15f/0xf80
[  311.280968][ T7558]  ? trace_irq_disable+0x3b/0x140
[  311.280991][ T7558]  ? clear_bhb_loop+0x40/0x90
[  311.281014][ T7558]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.281030][ T7558] RIP: 0033:0x7f9404e8b60a
[  311.281046][ T7558] 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
[  311.281060][ T7558] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.281079][ T7558] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  311.281091][ T7558] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  311.281103][ T7558] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  311.281115][ T7558] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  311.281125][ T7558] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  311.281154][ T7558]  </TASK>
[  311.281191][ T7558] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.281204][ T7558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  311.850778][ T7562] loop1: detected capacity change from 0 to 32768
[  311.870608][ T7562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  311.870632][ T7562] CPU: 0 UID: 0 PID: 7562 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  311.870652][ T7562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  311.870664][ T7562] Call Trace:
[  311.870672][ T7562]  <TASK>
[  311.870680][ T7562]  dump_stack_lvl+0xe8/0x150
[  311.870720][ T7562]  sysfs_create_dir_ns+0x271/0x2a0
[  311.870740][ T7562]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  311.870764][ T7562]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  311.870785][ T7562]  ? rt_spin_unlock+0x160/0x200
[  311.870807][ T7562]  kobject_add_internal+0x631/0xd10
[  311.870833][ T7562]  kobject_init_and_add+0x12b/0x1a0
[  311.870855][ T7562]  ? __pfx_kobject_init_and_add+0x10/0x10
[  311.870874][ T7562]  ? __raw_spin_lock_init+0x45/0x100
[  311.870898][ T7562]  ? __init_swait_queue_head+0xa9/0x150
[  311.870924][ T7562]  gfs2_sys_fs_add+0x257/0x480
[  311.870944][ T7562]  ? is_dynamic_key+0x1ac/0x1c0
[  311.870966][ T7562]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  311.870983][ T7562]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  311.871006][ T7562]  gfs2_fill_super+0x141c/0x2220
[  311.871028][ T7562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.871042][ T7562]  ? rt_spin_unlock+0x14f/0x200
[  311.871059][ T7562]  ? sb_set_blocksize+0x11b/0x210
[  311.871076][ T7562]  ? setup_bdev_super+0x4c1/0x5b0
[  311.871091][ T7562]  get_tree_bdev_flags+0x431/0x4f0
[  311.871105][ T7562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.871118][ T7562]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  311.871130][ T7562]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  311.871149][ T7562]  gfs2_get_tree+0x51/0x1e0
[  311.871164][ T7562]  vfs_get_tree+0x92/0x2a0
[  311.871179][ T7562]  do_new_mount+0x341/0xd30
[  311.871188][ T7562]  ? apparmor_capable+0x126/0x170
[  311.871207][ T7562]  ? __pfx_do_new_mount+0x10/0x10
[  311.871217][ T7562]  ? ns_capable+0x89/0xe0
[  311.871232][ T7562]  ? user_path_at+0xd4/0x160
[  311.871245][ T7562]  ? user_path_at+0xd4/0x160
[  311.871257][ T7562]  __se_sys_mount+0x31d/0x420
[  311.871270][ T7562]  ? __pfx___se_sys_mount+0x10/0x10
[  311.871284][ T7562]  ? __x64_sys_mount+0x20/0xc0
[  311.871293][ T7562]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.871304][ T7562]  do_syscall_64+0x15f/0xf80
[  311.871319][ T7562]  ? trace_irq_disable+0x3b/0x140
[  311.871333][ T7562]  ? clear_bhb_loop+0x40/0x90
[  311.871345][ T7562]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.871355][ T7562] RIP: 0033:0x7f9404e8b60a
[  311.871366][ T7562] 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
[  311.871375][ T7562] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.871386][ T7562] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  311.871394][ T7562] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  311.871401][ T7562] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  311.871408][ T7562] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  311.871414][ T7562] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  311.871429][ T7562]  </TASK>
[  311.871455][ T7562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.871463][ T7562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.407261][ T7566] loop1: detected capacity change from 0 to 32768
[  312.410255][ T7566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.410276][ T7566] CPU: 1 UID: 0 PID: 7566 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  312.410297][ T7566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  312.410307][ T7566] Call Trace:
[  312.410315][ T7566]  <TASK>
[  312.410323][ T7566]  dump_stack_lvl+0xe8/0x150
[  312.410352][ T7566]  sysfs_create_dir_ns+0x271/0x2a0
[  312.410372][ T7566]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  312.410396][ T7566]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  312.410419][ T7566]  ? rt_spin_unlock+0x160/0x200
[  312.410441][ T7566]  kobject_add_internal+0x631/0xd10
[  312.410468][ T7566]  kobject_init_and_add+0x12b/0x1a0
[  312.410490][ T7566]  ? __pfx_kobject_init_and_add+0x10/0x10
[  312.410509][ T7566]  ? __raw_spin_lock_init+0x45/0x100
[  312.410534][ T7566]  ? __init_swait_queue_head+0xa9/0x150
[  312.410561][ T7566]  gfs2_sys_fs_add+0x257/0x480
[  312.410580][ T7566]  ? is_dynamic_key+0x1ac/0x1c0
[  312.410605][ T7566]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  312.410634][ T7566]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  312.410668][ T7566]  gfs2_fill_super+0x141c/0x2220
[  312.410707][ T7566]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.410728][ T7566]  ? rt_spin_unlock+0x14f/0x200
[  312.410752][ T7566]  ? sb_set_blocksize+0x11b/0x210
[  312.410779][ T7566]  ? setup_bdev_super+0x4c1/0x5b0
[  312.410803][ T7566]  get_tree_bdev_flags+0x431/0x4f0
[  312.410825][ T7566]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.410847][ T7566]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  312.410868][ T7566]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  312.410899][ T7566]  gfs2_get_tree+0x51/0x1e0
[  312.410932][ T7566]  vfs_get_tree+0x92/0x2a0
[  312.410955][ T7566]  do_new_mount+0x341/0xd30
[  312.410971][ T7566]  ? apparmor_capable+0x126/0x170
[  312.411000][ T7566]  ? __pfx_do_new_mount+0x10/0x10
[  312.411017][ T7566]  ? ns_capable+0x89/0xe0
[  312.411039][ T7566]  ? user_path_at+0xd4/0x160
[  312.411063][ T7566]  ? user_path_at+0xd4/0x160
[  312.411084][ T7566]  __se_sys_mount+0x31d/0x420
[  312.411106][ T7566]  ? __pfx___se_sys_mount+0x10/0x10
[  312.411129][ T7566]  ? __x64_sys_mount+0x20/0xc0
[  312.411146][ T7566]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.411165][ T7566]  do_syscall_64+0x15f/0xf80
[  312.411186][ T7566]  ? trace_irq_disable+0x3b/0x140
[  312.411207][ T7566]  ? clear_bhb_loop+0x40/0x90
[  312.411229][ T7566]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.411246][ T7566] RIP: 0033:0x7f9404e8b60a
[  312.411263][ T7566] 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
[  312.411278][ T7566] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.411297][ T7566] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  312.411310][ T7566] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  312.411321][ T7566] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  312.411333][ T7566] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  312.411343][ T7566] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  312.411370][ T7566]  </TASK>
[  312.411395][ T7566] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.411408][ T7566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.974660][ T7570] loop1: detected capacity change from 0 to 32768
[  312.981027][ T7570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.981049][ T7570] CPU: 0 UID: 0 PID: 7570 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  312.981068][ T7570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  312.981077][ T7570] Call Trace:
[  312.981084][ T7570]  <TASK>
[  312.981091][ T7570]  dump_stack_lvl+0xe8/0x150
[  312.981119][ T7570]  sysfs_create_dir_ns+0x271/0x2a0
[  312.981137][ T7570]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  312.981158][ T7570]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  312.981177][ T7570]  ? rt_spin_unlock+0x160/0x200
[  312.981198][ T7570]  kobject_add_internal+0x631/0xd10
[  312.981222][ T7570]  kobject_init_and_add+0x12b/0x1a0
[  312.981244][ T7570]  ? __pfx_kobject_init_and_add+0x10/0x10
[  312.981262][ T7570]  ? __raw_spin_lock_init+0x45/0x100
[  312.981287][ T7570]  ? __init_swait_queue_head+0xa9/0x150
[  312.981311][ T7570]  gfs2_sys_fs_add+0x257/0x480
[  312.981330][ T7570]  ? is_dynamic_key+0x1ac/0x1c0
[  312.981353][ T7570]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  312.981381][ T7570]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  312.981415][ T7570]  gfs2_fill_super+0x141c/0x2220
[  312.981453][ T7570]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.981474][ T7570]  ? rt_spin_unlock+0x14f/0x200
[  312.981497][ T7570]  ? sb_set_blocksize+0x11b/0x210
[  312.981537][ T7570]  ? setup_bdev_super+0x4c1/0x5b0
[  312.981560][ T7570]  get_tree_bdev_flags+0x431/0x4f0
[  312.981579][ T7570]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.981597][ T7570]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  312.981614][ T7570]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  312.981639][ T7570]  gfs2_get_tree+0x51/0x1e0
[  312.981660][ T7570]  vfs_get_tree+0x92/0x2a0
[  312.981679][ T7570]  do_new_mount+0x341/0xd30
[  312.981692][ T7570]  ? apparmor_capable+0x126/0x170
[  312.981716][ T7570]  ? __pfx_do_new_mount+0x10/0x10
[  312.981730][ T7570]  ? ns_capable+0x89/0xe0
[  312.981749][ T7570]  ? user_path_at+0xd4/0x160
[  312.981767][ T7570]  ? user_path_at+0xd4/0x160
[  312.981832][ T7570]  __se_sys_mount+0x31d/0x420
[  312.981851][ T7570]  ? __pfx___se_sys_mount+0x10/0x10
[  312.981870][ T7570]  ? __x64_sys_mount+0x20/0xc0
[  312.981884][ T7570]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.981899][ T7570]  do_syscall_64+0x15f/0xf80
[  312.981917][ T7570]  ? trace_irq_disable+0x3b/0x140
[  312.981936][ T7570]  ? clear_bhb_loop+0x40/0x90
[  312.981953][ T7570]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.981967][ T7570] RIP: 0033:0x7f9404e8b60a
[  312.981981][ T7570] 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
[  312.981994][ T7570] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.982010][ T7570] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  312.982021][ T7570] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  312.982031][ T7570] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  312.982040][ T7570] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  312.982049][ T7570] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  312.982072][ T7570]  </TASK>
[  312.982109][ T7570] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.982123][ T7570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  313.560046][ T7574] loop1: detected capacity change from 0 to 32768
[  313.581262][ T7574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  313.581283][ T7574] CPU: 1 UID: 0 PID: 7574 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  313.581304][ T7574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  313.581315][ T7574] Call Trace:
[  313.581322][ T7574]  <TASK>
[  313.581330][ T7574]  dump_stack_lvl+0xe8/0x150
[  313.581359][ T7574]  sysfs_create_dir_ns+0x271/0x2a0
[  313.581379][ T7574]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  313.581402][ T7574]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  313.581424][ T7574]  ? rt_spin_unlock+0x160/0x200
[  313.581444][ T7574]  kobject_add_internal+0x631/0xd10
[  313.581468][ T7574]  kobject_init_and_add+0x12b/0x1a0
[  313.581490][ T7574]  ? __pfx_kobject_init_and_add+0x10/0x10
[  313.581509][ T7574]  ? __raw_spin_lock_init+0x45/0x100
[  313.581533][ T7574]  ? __init_swait_queue_head+0xa9/0x150
[  313.581559][ T7574]  gfs2_sys_fs_add+0x257/0x480
[  313.581578][ T7574]  ? is_dynamic_key+0x1ac/0x1c0
[  313.581602][ T7574]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  313.581629][ T7574]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  313.581667][ T7574]  gfs2_fill_super+0x141c/0x2220
[  313.581695][ T7574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.581708][ T7574]  ? rt_spin_unlock+0x14f/0x200
[  313.581729][ T7574]  ? sb_set_blocksize+0x11b/0x210
[  313.581749][ T7574]  ? setup_bdev_super+0x4c1/0x5b0
[  313.581763][ T7574]  get_tree_bdev_flags+0x431/0x4f0
[  313.581777][ T7574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.581791][ T7574]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  313.581803][ T7574]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  313.581821][ T7574]  gfs2_get_tree+0x51/0x1e0
[  313.581837][ T7574]  vfs_get_tree+0x92/0x2a0
[  313.581850][ T7574]  do_new_mount+0x341/0xd30
[  313.581860][ T7574]  ? apparmor_capable+0x126/0x170
[  313.581878][ T7574]  ? __pfx_do_new_mount+0x10/0x10
[  313.581888][ T7574]  ? ns_capable+0x89/0xe0
[  313.581902][ T7574]  ? user_path_at+0xd4/0x160
[  313.581916][ T7574]  ? user_path_at+0xd4/0x160
[  313.581928][ T7574]  __se_sys_mount+0x31d/0x420
[  313.581941][ T7574]  ? __pfx___se_sys_mount+0x10/0x10
[  313.581955][ T7574]  ? __x64_sys_mount+0x20/0xc0
[  313.581964][ T7574]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.581976][ T7574]  do_syscall_64+0x15f/0xf80
[  313.581990][ T7574]  ? trace_irq_disable+0x3b/0x140
[  313.582004][ T7574]  ? clear_bhb_loop+0x40/0x90
[  313.582016][ T7574]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.582026][ T7574] RIP: 0033:0x7f9404e8b60a
[  313.582037][ T7574] 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
[  313.582046][ T7574] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.582057][ T7574] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  313.582065][ T7574] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  313.582072][ T7574] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  313.582078][ T7574] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  313.582085][ T7574] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  313.582100][ T7574]  </TASK>
[  313.582125][ T7574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.582133][ T7574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.147258][ T7578] loop1: detected capacity change from 0 to 32768
[  314.152735][ T7578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.152755][ T7578] CPU: 0 UID: 0 PID: 7578 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  314.152773][ T7578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  314.152784][ T7578] Call Trace:
[  314.152792][ T7578]  <TASK>
[  314.152799][ T7578]  dump_stack_lvl+0xe8/0x150
[  314.152829][ T7578]  sysfs_create_dir_ns+0x271/0x2a0
[  314.152849][ T7578]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  314.152871][ T7578]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  314.152894][ T7578]  ? rt_spin_unlock+0x160/0x200
[  314.152916][ T7578]  kobject_add_internal+0x631/0xd10
[  314.152942][ T7578]  kobject_init_and_add+0x12b/0x1a0
[  314.152965][ T7578]  ? __pfx_kobject_init_and_add+0x10/0x10
[  314.152984][ T7578]  ? __raw_spin_lock_init+0x45/0x100
[  314.153009][ T7578]  ? __init_swait_queue_head+0xa9/0x150
[  314.153035][ T7578]  gfs2_sys_fs_add+0x257/0x480
[  314.153053][ T7578]  ? is_dynamic_key+0x1ac/0x1c0
[  314.153078][ T7578]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  314.153105][ T7578]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  314.153143][ T7578]  gfs2_fill_super+0x141c/0x2220
[  314.153183][ T7578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.153210][ T7578]  ? rt_spin_unlock+0x14f/0x200
[  314.153231][ T7578]  ? sb_set_blocksize+0x11b/0x210
[  314.153254][ T7578]  ? setup_bdev_super+0x4c1/0x5b0
[  314.153279][ T7578]  get_tree_bdev_flags+0x431/0x4f0
[  314.153300][ T7578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.153321][ T7578]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  314.153340][ T7578]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  314.153369][ T7578]  gfs2_get_tree+0x51/0x1e0
[  314.153394][ T7578]  vfs_get_tree+0x92/0x2a0
[  314.153416][ T7578]  do_new_mount+0x341/0xd30
[  314.153431][ T7578]  ? apparmor_capable+0x126/0x170
[  314.153469][ T7578]  ? __pfx_do_new_mount+0x10/0x10
[  314.153487][ T7578]  ? ns_capable+0x89/0xe0
[  314.153512][ T7578]  ? user_path_at+0xd4/0x160
[  314.153537][ T7578]  ? user_path_at+0xd4/0x160
[  314.153559][ T7578]  __se_sys_mount+0x31d/0x420
[  314.153584][ T7578]  ? __pfx___se_sys_mount+0x10/0x10
[  314.153608][ T7578]  ? __x64_sys_mount+0x20/0xc0
[  314.153626][ T7578]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.153646][ T7578]  do_syscall_64+0x15f/0xf80
[  314.153670][ T7578]  ? trace_irq_disable+0x3b/0x140
[  314.153694][ T7578]  ? clear_bhb_loop+0x40/0x90
[  314.153716][ T7578]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.153734][ T7578] RIP: 0033:0x7f9404e8b60a
[  314.153752][ T7578] 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
[  314.153768][ T7578] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.153788][ T7578] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  314.153801][ T7578] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  314.153814][ T7578] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  314.153826][ T7578] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  314.153838][ T7578] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  314.153867][ T7578]  </TASK>
[  314.162691][ T7578] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.162712][ T7578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.673638][ T7582] loop1: detected capacity change from 0 to 32768
[  314.695349][ T7582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.695371][ T7582] CPU: 0 UID: 0 PID: 7582 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  314.695390][ T7582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  314.695400][ T7582] Call Trace:
[  314.695407][ T7582]  <TASK>
[  314.695415][ T7582]  dump_stack_lvl+0xe8/0x150
[  314.695445][ T7582]  sysfs_create_dir_ns+0x271/0x2a0
[  314.695464][ T7582]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  314.695488][ T7582]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  314.695510][ T7582]  ? rt_spin_unlock+0x160/0x200
[  314.695533][ T7582]  kobject_add_internal+0x631/0xd10
[  314.695558][ T7582]  kobject_init_and_add+0x12b/0x1a0
[  314.695579][ T7582]  ? __pfx_kobject_init_and_add+0x10/0x10
[  314.695605][ T7582]  ? __raw_spin_lock_init+0x45/0x100
[  314.695629][ T7582]  ? __init_swait_queue_head+0xa9/0x150
[  314.695655][ T7582]  gfs2_sys_fs_add+0x257/0x480
[  314.695671][ T7582]  ? is_dynamic_key+0x1ac/0x1c0
[  314.695693][ T7582]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  314.695720][ T7582]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  314.695755][ T7582]  gfs2_fill_super+0x141c/0x2220
[  314.695793][ T7582]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.695818][ T7582]  ? rt_spin_unlock+0x14f/0x200
[  314.695840][ T7582]  ? sb_set_blocksize+0x11b/0x210
[  314.695865][ T7582]  ? setup_bdev_super+0x4c1/0x5b0
[  314.695888][ T7582]  get_tree_bdev_flags+0x431/0x4f0
[  314.695909][ T7582]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.695931][ T7582]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  314.695950][ T7582]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  314.695981][ T7582]  gfs2_get_tree+0x51/0x1e0
[  314.696006][ T7582]  vfs_get_tree+0x92/0x2a0
[  314.696031][ T7582]  do_new_mount+0x341/0xd30
[  314.696049][ T7582]  ? apparmor_capable+0x126/0x170
[  314.696085][ T7582]  ? __pfx_do_new_mount+0x10/0x10
[  314.696102][ T7582]  ? ns_capable+0x89/0xe0
[  314.696126][ T7582]  ? user_path_at+0xd4/0x160
[  314.696150][ T7582]  ? user_path_at+0xd4/0x160
[  314.696173][ T7582]  __se_sys_mount+0x31d/0x420
[  314.696197][ T7582]  ? __pfx___se_sys_mount+0x10/0x10
[  314.696222][ T7582]  ? __x64_sys_mount+0x20/0xc0
[  314.696240][ T7582]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.696260][ T7582]  do_syscall_64+0x15f/0xf80
[  314.696283][ T7582]  ? trace_irq_disable+0x3b/0x140
[  314.696305][ T7582]  ? clear_bhb_loop+0x40/0x90
[  314.696326][ T7582]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.696342][ T7582] RIP: 0033:0x7f9404e8b60a
[  314.696358][ T7582] 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
[  314.696373][ T7582] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.696391][ T7582] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  314.696403][ T7582] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  314.696417][ T7582] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  314.696428][ T7582] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  314.696437][ T7582] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  314.696465][ T7582]  </TASK>
[  314.696503][ T7582] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.696517][ T7582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  315.290539][ T7586] loop1: detected capacity change from 0 to 32768
[  315.300900][ T7586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.300922][ T7586] CPU: 1 UID: 0 PID: 7586 Comm: syz.1.241 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  315.300942][ T7586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  315.300953][ T7586] Call Trace:
[  315.300960][ T7586]  <TASK>
[  315.300967][ T7586]  dump_stack_lvl+0xe8/0x150
[  315.300995][ T7586]  sysfs_create_dir_ns+0x271/0x2a0
[  315.301014][ T7586]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  315.301037][ T7586]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  315.301059][ T7586]  ? rt_spin_unlock+0x160/0x200
[  315.301081][ T7586]  kobject_add_internal+0x631/0xd10
[  315.301106][ T7586]  kobject_init_and_add+0x12b/0x1a0
[  315.301129][ T7586]  ? __pfx_kobject_init_and_add+0x10/0x10
[  315.301149][ T7586]  ? __raw_spin_lock_init+0x45/0x100
[  315.301172][ T7586]  ? __init_swait_queue_head+0xa9/0x150
[  315.301199][ T7586]  gfs2_sys_fs_add+0x257/0x480
[  315.301220][ T7586]  ? is_dynamic_key+0x1ac/0x1c0
[  315.301245][ T7586]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  315.301273][ T7586]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  315.301316][ T7586]  gfs2_fill_super+0x141c/0x2220
[  315.301355][ T7586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.301377][ T7586]  ? rt_spin_unlock+0x14f/0x200
[  315.301400][ T7586]  ? sb_set_blocksize+0x11b/0x210
[  315.301426][ T7586]  ? setup_bdev_super+0x4c1/0x5b0
[  315.301452][ T7586]  get_tree_bdev_flags+0x431/0x4f0
[  315.301474][ T7586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.301500][ T7586]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  315.301520][ T7586]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  315.301552][ T7586]  gfs2_get_tree+0x51/0x1e0
[  315.301580][ T7586]  vfs_get_tree+0x92/0x2a0
[  315.301605][ T7586]  do_new_mount+0x341/0xd30
[  315.301622][ T7586]  ? apparmor_capable+0x126/0x170
[  315.301660][ T7586]  ? __pfx_do_new_mount+0x10/0x10
[  315.301678][ T7586]  ? ns_capable+0x89/0xe0
[  315.301703][ T7586]  ? user_path_at+0xd4/0x160
[  315.301726][ T7586]  ? user_path_at+0xd4/0x160
[  315.301748][ T7586]  __se_sys_mount+0x31d/0x420
[  315.301773][ T7586]  ? __pfx___se_sys_mount+0x10/0x10
[  315.301798][ T7586]  ? __x64_sys_mount+0x20/0xc0
[  315.301816][ T7586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.301836][ T7586]  do_syscall_64+0x15f/0xf80
[  315.301859][ T7586]  ? trace_irq_disable+0x3b/0x140
[  315.301882][ T7586]  ? clear_bhb_loop+0x40/0x90
[  315.301904][ T7586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.301922][ T7586] RIP: 0033:0x7f9404e8b60a
[  315.301940][ T7586] 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
[  315.301956][ T7586] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.301976][ T7586] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  315.301990][ T7586] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  315.302003][ T7586] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  315.302015][ T7586] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  315.302026][ T7586] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  315.302057][ T7586]  </TASK>
[  315.302094][ T7586] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.302109][ T7586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  315.847533][ T7590] loop1: detected capacity change from 0 to 32768
[  315.852455][ T7590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.852477][ T7590] CPU: 1 UID: 0 PID: 7590 Comm: syz.1.242 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  315.852497][ T7590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  315.852507][ T7590] Call Trace:
[  315.852562][ T7590]  <TASK>
[  315.852582][ T7590]  dump_stack_lvl+0xe8/0x150
[  315.852613][ T7590]  sysfs_create_dir_ns+0x271/0x2a0
[  315.852632][ T7590]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  315.852655][ T7590]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  315.852677][ T7590]  ? rt_spin_unlock+0x160/0x200
[  315.852698][ T7590]  kobject_add_internal+0x631/0xd10
[  315.852723][ T7590]  kobject_init_and_add+0x12b/0x1a0
[  315.852745][ T7590]  ? __pfx_kobject_init_and_add+0x10/0x10
[  315.852762][ T7590]  ? __raw_spin_lock_init+0x45/0x100
[  315.852794][ T7590]  ? __init_swait_queue_head+0xa9/0x150
[  315.852818][ T7590]  gfs2_sys_fs_add+0x257/0x480
[  315.852837][ T7590]  ? is_dynamic_key+0x1ac/0x1c0
[  315.852861][ T7590]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  315.852892][ T7590]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  315.852931][ T7590]  gfs2_fill_super+0x141c/0x2220
[  315.852970][ T7590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.852995][ T7590]  ? rt_spin_unlock+0x14f/0x200
[  315.853021][ T7590]  ? sb_set_blocksize+0x11b/0x210
[  315.853048][ T7590]  ? setup_bdev_super+0x4c1/0x5b0
[  315.853072][ T7590]  get_tree_bdev_flags+0x431/0x4f0
[  315.853093][ T7590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.853115][ T7590]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  315.853133][ T7590]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  315.853163][ T7590]  gfs2_get_tree+0x51/0x1e0
[  315.853187][ T7590]  vfs_get_tree+0x92/0x2a0
[  315.853210][ T7590]  do_new_mount+0x341/0xd30
[  315.853226][ T7590]  ? apparmor_capable+0x126/0x170
[  315.853315][ T7590]  ? __pfx_do_new_mount+0x10/0x10
[  315.853333][ T7590]  ? ns_capable+0x89/0xe0
[  315.853358][ T7590]  ? user_path_at+0xd4/0x160
[  315.853383][ T7590]  ? user_path_at+0xd4/0x160
[  315.853403][ T7590]  __se_sys_mount+0x31d/0x420
[  315.853428][ T7590]  ? __pfx___se_sys_mount+0x10/0x10
[  315.853465][ T7590]  ? __x64_sys_mount+0x20/0xc0
[  315.853482][ T7590]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.853500][ T7590]  do_syscall_64+0x15f/0xf80
[  315.853524][ T7590]  ? trace_irq_disable+0x3b/0x140
[  315.853547][ T7590]  ? clear_bhb_loop+0x40/0x90
[  315.853568][ T7590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.853585][ T7590] RIP: 0033:0x7f9404e8b60a
[  315.853603][ T7590] 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
[  315.853618][ T7590] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.853639][ T7590] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  315.853653][ T7590] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  315.853672][ T7590] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  315.853684][ T7590] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  315.853696][ T7590] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  315.853724][ T7590]  </TASK>
[  315.880494][ T7590] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.880515][ T7590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.428119][ T7594] loop1: detected capacity change from 0 to 32768
[  316.441426][ T7594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.441448][ T7594] CPU: 1 UID: 0 PID: 7594 Comm: syz.1.243 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  316.441467][ T7594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  316.441478][ T7594] Call Trace:
[  316.441485][ T7594]  <TASK>
[  316.441493][ T7594]  dump_stack_lvl+0xe8/0x150
2026/05/01 21:32:36 executed programs: 229
[  316.441521][ T7594]  sysfs_create_dir_ns+0x271/0x2a0
[  316.441540][ T7594]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  316.441563][ T7594]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  316.441585][ T7594]  ? rt_spin_unlock+0x160/0x200
[  316.441608][ T7594]  kobject_add_internal+0x631/0xd10
[  316.441634][ T7594]  kobject_init_and_add+0x12b/0x1a0
[  316.441657][ T7594]  ? __pfx_kobject_init_and_add+0x10/0x10
[  316.441677][ T7594]  ? __raw_spin_lock_init+0x45/0x100
[  316.441702][ T7594]  ? __init_swait_queue_head+0xa9/0x150
[  316.441728][ T7594]  gfs2_sys_fs_add+0x257/0x480
[  316.441748][ T7594]  ? is_dynamic_key+0x1ac/0x1c0
[  316.441772][ T7594]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  316.441801][ T7594]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  316.441839][ T7594]  gfs2_fill_super+0x141c/0x2220
[  316.441870][ T7594]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.441891][ T7594]  ? rt_spin_unlock+0x14f/0x200
[  316.441913][ T7594]  ? sb_set_blocksize+0x11b/0x210
[  316.441940][ T7594]  ? setup_bdev_super+0x4c1/0x5b0
[  316.441965][ T7594]  get_tree_bdev_flags+0x431/0x4f0
[  316.441990][ T7594]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.442013][ T7594]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  316.442034][ T7594]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  316.442065][ T7594]  gfs2_get_tree+0x51/0x1e0
[  316.442091][ T7594]  vfs_get_tree+0x92/0x2a0
[  316.442116][ T7594]  do_new_mount+0x341/0xd30
[  316.442132][ T7594]  ? apparmor_capable+0x126/0x170
[  316.442162][ T7594]  ? __pfx_do_new_mount+0x10/0x10
[  316.442179][ T7594]  ? ns_capable+0x89/0xe0
[  316.442202][ T7594]  ? user_path_at+0xd4/0x160
[  316.442226][ T7594]  ? user_path_at+0xd4/0x160
[  316.442247][ T7594]  __se_sys_mount+0x31d/0x420
[  316.442271][ T7594]  ? __pfx___se_sys_mount+0x10/0x10
[  316.442295][ T7594]  ? __x64_sys_mount+0x20/0xc0
[  316.442313][ T7594]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.442333][ T7594]  do_syscall_64+0x15f/0xf80
[  316.442355][ T7594]  ? trace_irq_disable+0x3b/0x140
[  316.442378][ T7594]  ? clear_bhb_loop+0x40/0x90
[  316.442400][ T7594]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.442426][ T7594] RIP: 0033:0x7f9404e8b60a
[  316.442445][ T7594] 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
[  316.442461][ T7594] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.442482][ T7594] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  316.442496][ T7594] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  316.442507][ T7594] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  316.442519][ T7594] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  316.442531][ T7594] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  316.442560][ T7594]  </TASK>
[  316.442622][ T7594] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.442653][ T7594] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.980624][ T7598] loop1: detected capacity change from 0 to 32768
[  316.988153][ T7598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.988175][ T7598] CPU: 0 UID: 0 PID: 7598 Comm: syz.1.244 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  316.988196][ T7598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  316.988206][ T7598] Call Trace:
[  316.988213][ T7598]  <TASK>
[  316.988221][ T7598]  dump_stack_lvl+0xe8/0x150
[  316.988250][ T7598]  sysfs_create_dir_ns+0x271/0x2a0
[  316.988269][ T7598]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  316.988292][ T7598]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  316.988314][ T7598]  ? rt_spin_unlock+0x160/0x200
[  316.988336][ T7598]  kobject_add_internal+0x631/0xd10
[  316.988362][ T7598]  kobject_init_and_add+0x12b/0x1a0
[  316.988392][ T7598]  ? __pfx_kobject_init_and_add+0x10/0x10
[  316.988412][ T7598]  ? __raw_spin_lock_init+0x45/0x100
[  316.988437][ T7598]  ? __init_swait_queue_head+0xa9/0x150
[  316.988463][ T7598]  gfs2_sys_fs_add+0x257/0x480
[  316.988482][ T7598]  ? is_dynamic_key+0x1ac/0x1c0
[  316.988505][ T7598]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  316.988533][ T7598]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  316.988570][ T7598]  gfs2_fill_super+0x141c/0x2220
[  316.988607][ T7598]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.988631][ T7598]  ? rt_spin_unlock+0x14f/0x200
[  316.988655][ T7598]  ? sb_set_blocksize+0x11b/0x210
[  316.988680][ T7598]  ? setup_bdev_super+0x4c1/0x5b0
[  316.988704][ T7598]  get_tree_bdev_flags+0x431/0x4f0
[  316.988727][ T7598]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.988749][ T7598]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  316.988769][ T7598]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  316.988799][ T7598]  gfs2_get_tree+0x51/0x1e0
[  316.988826][ T7598]  vfs_get_tree+0x92/0x2a0
[  316.988849][ T7598]  do_new_mount+0x341/0xd30
[  316.988866][ T7598]  ? apparmor_capable+0x126/0x170
[  316.988895][ T7598]  ? __pfx_do_new_mount+0x10/0x10
[  316.988912][ T7598]  ? ns_capable+0x89/0xe0
[  316.988936][ T7598]  ? user_path_at+0xd4/0x160
[  316.988960][ T7598]  ? user_path_at+0xd4/0x160
[  316.988981][ T7598]  __se_sys_mount+0x31d/0x420
[  316.989004][ T7598]  ? __pfx___se_sys_mount+0x10/0x10
[  316.989027][ T7598]  ? __x64_sys_mount+0x20/0xc0
[  316.989044][ T7598]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.989064][ T7598]  do_syscall_64+0x15f/0xf80
[  316.989086][ T7598]  ? trace_irq_disable+0x3b/0x140
[  316.989107][ T7598]  ? clear_bhb_loop+0x40/0x90
[  316.989127][ T7598]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.989144][ T7598] RIP: 0033:0x7f9404e8b60a
[  316.989162][ T7598] 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
[  316.989177][ T7598] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.989197][ T7598] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  316.989210][ T7598] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  316.989223][ T7598] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  316.989234][ T7598] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  316.989246][ T7598] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  316.989274][ T7598]  </TASK>
[  316.989309][ T7598] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.989323][ T7598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  317.300852][ T1338] ieee802154 phy0 wpan0: encryption failed: -22
[  317.300949][ T1338] ieee802154 phy1 wpan1: encryption failed: -22
[  317.575383][ T7602] loop1: detected capacity change from 0 to 32768
[  317.578858][ T7602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.578879][ T7602] CPU: 1 UID: 0 PID: 7602 Comm: syz.1.245 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  317.578900][ T7602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  317.578910][ T7602] Call Trace:
[  317.578918][ T7602]  <TASK>
[  317.578926][ T7602]  dump_stack_lvl+0xe8/0x150
[  317.578955][ T7602]  sysfs_create_dir_ns+0x271/0x2a0
[  317.578976][ T7602]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  317.578999][ T7602]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  317.579021][ T7602]  ? rt_spin_unlock+0x160/0x200
[  317.579044][ T7602]  kobject_add_internal+0x631/0xd10
[  317.579079][ T7602]  kobject_init_and_add+0x12b/0x1a0
[  317.579103][ T7602]  ? __pfx_kobject_init_and_add+0x10/0x10
[  317.579123][ T7602]  ? __raw_spin_lock_init+0x45/0x100
[  317.579147][ T7602]  ? __init_swait_queue_head+0xa9/0x150
[  317.579172][ T7602]  gfs2_sys_fs_add+0x257/0x480
[  317.579192][ T7602]  ? is_dynamic_key+0x1ac/0x1c0
[  317.579216][ T7602]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  317.579244][ T7602]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  317.579282][ T7602]  gfs2_fill_super+0x141c/0x2220
[  317.579321][ T7602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.579345][ T7602]  ? rt_spin_unlock+0x14f/0x200
[  317.579370][ T7602]  ? sb_set_blocksize+0x11b/0x210
[  317.579396][ T7602]  ? setup_bdev_super+0x4c1/0x5b0
[  317.579422][ T7602]  get_tree_bdev_flags+0x431/0x4f0
[  317.579444][ T7602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.579468][ T7602]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  317.579488][ T7602]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  317.579521][ T7602]  gfs2_get_tree+0x51/0x1e0
[  317.579548][ T7602]  vfs_get_tree+0x92/0x2a0
[  317.579573][ T7602]  do_new_mount+0x341/0xd30
[  317.579589][ T7602]  ? apparmor_capable+0x126/0x170
[  317.579620][ T7602]  ? __pfx_do_new_mount+0x10/0x10
[  317.579636][ T7602]  ? ns_capable+0x89/0xe0
[  317.579661][ T7602]  ? user_path_at+0xd4/0x160
[  317.579685][ T7602]  ? user_path_at+0xd4/0x160
[  317.579706][ T7602]  __se_sys_mount+0x31d/0x420
[  317.579730][ T7602]  ? __pfx___se_sys_mount+0x10/0x10
[  317.579755][ T7602]  ? __x64_sys_mount+0x20/0xc0
[  317.579772][ T7602]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.579791][ T7602]  do_syscall_64+0x15f/0xf80
[  317.579814][ T7602]  ? trace_irq_disable+0x3b/0x140
[  317.579837][ T7602]  ? clear_bhb_loop+0x40/0x90
[  317.579859][ T7602]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.579877][ T7602] RIP: 0033:0x7f9404e8b60a
[  317.579895][ T7602] 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
[  317.579911][ T7602] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.579931][ T7602] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  317.579944][ T7602] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  317.579957][ T7602] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  317.579969][ T7602] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  317.579981][ T7602] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  317.580010][ T7602]  </TASK>
[  317.580099][ T7602] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.580115][ T7602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.138659][ T7606] loop1: detected capacity change from 0 to 32768
[  318.150887][ T7606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.150907][ T7606] CPU: 1 UID: 0 PID: 7606 Comm: syz.1.246 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  318.150927][ T7606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  318.150937][ T7606] Call Trace:
[  318.150944][ T7606]  <TASK>
[  318.150952][ T7606]  dump_stack_lvl+0xe8/0x150
[  318.150980][ T7606]  sysfs_create_dir_ns+0x271/0x2a0
[  318.151000][ T7606]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  318.151021][ T7606]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  318.151042][ T7606]  ? rt_spin_unlock+0x160/0x200
[  318.151064][ T7606]  kobject_add_internal+0x631/0xd10
[  318.151090][ T7606]  kobject_init_and_add+0x12b/0x1a0
[  318.151114][ T7606]  ? __pfx_kobject_init_and_add+0x10/0x10
[  318.151132][ T7606]  ? __raw_spin_lock_init+0x45/0x100
[  318.151156][ T7606]  ? __init_swait_queue_head+0xa9/0x150
[  318.151181][ T7606]  gfs2_sys_fs_add+0x257/0x480
[  318.151200][ T7606]  ? is_dynamic_key+0x1ac/0x1c0
[  318.151224][ T7606]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  318.151252][ T7606]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  318.151297][ T7606]  gfs2_fill_super+0x141c/0x2220
[  318.151336][ T7606]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.151357][ T7606]  ? rt_spin_unlock+0x14f/0x200
[  318.151380][ T7606]  ? sb_set_blocksize+0x11b/0x210
[  318.151405][ T7606]  ? setup_bdev_super+0x4c1/0x5b0
[  318.151431][ T7606]  get_tree_bdev_flags+0x431/0x4f0
[  318.151455][ T7606]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.151478][ T7606]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  318.151499][ T7606]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  318.151532][ T7606]  gfs2_get_tree+0x51/0x1e0
[  318.151560][ T7606]  vfs_get_tree+0x92/0x2a0
[  318.151584][ T7606]  do_new_mount+0x341/0xd30
[  318.151600][ T7606]  ? apparmor_capable+0x126/0x170
[  318.151629][ T7606]  ? __pfx_do_new_mount+0x10/0x10
[  318.151646][ T7606]  ? ns_capable+0x89/0xe0
[  318.151671][ T7606]  ? user_path_at+0xd4/0x160
[  318.151696][ T7606]  ? user_path_at+0xd4/0x160
[  318.151719][ T7606]  __se_sys_mount+0x31d/0x420
[  318.151743][ T7606]  ? __pfx___se_sys_mount+0x10/0x10
[  318.151768][ T7606]  ? __x64_sys_mount+0x20/0xc0
[  318.151786][ T7606]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.151806][ T7606]  do_syscall_64+0x15f/0xf80
[  318.151828][ T7606]  ? trace_irq_disable+0x3b/0x140
[  318.151851][ T7606]  ? clear_bhb_loop+0x40/0x90
[  318.151873][ T7606]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.151890][ T7606] RIP: 0033:0x7f9404e8b60a
[  318.151912][ T7606] 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
[  318.151928][ T7606] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.151948][ T7606] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  318.151961][ T7606] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  318.151973][ T7606] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  318.151984][ T7606] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  318.151996][ T7606] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  318.152024][ T7606]  </TASK>
[  318.152061][ T7606] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.152076][ T7606] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.715607][ T7610] loop1: detected capacity change from 0 to 32768
[  318.752193][ T7610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.752214][ T7610] CPU: 0 UID: 0 PID: 7610 Comm: syz.1.247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  318.752234][ T7610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  318.752244][ T7610] Call Trace:
[  318.752251][ T7610]  <TASK>
[  318.752259][ T7610]  dump_stack_lvl+0xe8/0x150
[  318.752285][ T7610]  sysfs_create_dir_ns+0x271/0x2a0
[  318.752303][ T7610]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  318.752325][ T7610]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  318.752346][ T7610]  ? rt_spin_unlock+0x160/0x200
[  318.752369][ T7610]  kobject_add_internal+0x631/0xd10
[  318.752396][ T7610]  kobject_init_and_add+0x12b/0x1a0
[  318.752420][ T7610]  ? __pfx_kobject_init_and_add+0x10/0x10
[  318.752440][ T7610]  ? __raw_spin_lock_init+0x45/0x100
[  318.752465][ T7610]  ? __init_swait_queue_head+0xa9/0x150
[  318.752492][ T7610]  gfs2_sys_fs_add+0x257/0x480
[  318.752512][ T7610]  ? is_dynamic_key+0x1ac/0x1c0
[  318.752537][ T7610]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  318.752566][ T7610]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  318.752605][ T7610]  gfs2_fill_super+0x141c/0x2220
[  318.752646][ T7610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.752667][ T7610]  ? rt_spin_unlock+0x14f/0x200
[  318.752692][ T7610]  ? sb_set_blocksize+0x11b/0x210
[  318.752718][ T7610]  ? setup_bdev_super+0x4c1/0x5b0
[  318.752749][ T7610]  get_tree_bdev_flags+0x431/0x4f0
[  318.752772][ T7610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.752796][ T7610]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  318.752817][ T7610]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  318.752849][ T7610]  gfs2_get_tree+0x51/0x1e0
[  318.752876][ T7610]  vfs_get_tree+0x92/0x2a0
[  318.752901][ T7610]  do_new_mount+0x341/0xd30
[  318.752918][ T7610]  ? apparmor_capable+0x126/0x170
[  318.752956][ T7610]  ? __pfx_do_new_mount+0x10/0x10
[  318.752975][ T7610]  ? ns_capable+0x89/0xe0
[  318.753000][ T7610]  ? user_path_at+0xd4/0x160
[  318.753024][ T7610]  ? user_path_at+0xd4/0x160
[  318.753046][ T7610]  __se_sys_mount+0x31d/0x420
[  318.753080][ T7610]  ? __pfx___se_sys_mount+0x10/0x10
[  318.753112][ T7610]  ? __x64_sys_mount+0x20/0xc0
[  318.753130][ T7610]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.753151][ T7610]  do_syscall_64+0x15f/0xf80
[  318.753174][ T7610]  ? trace_irq_disable+0x3b/0x140
[  318.753197][ T7610]  ? clear_bhb_loop+0x40/0x90
[  318.753218][ T7610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.753234][ T7610] RIP: 0033:0x7f9404e8b60a
[  318.753250][ T7610] 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
[  318.753265][ T7610] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.753283][ T7610] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  318.753296][ T7610] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  318.753308][ T7610] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  318.753320][ T7610] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  318.753332][ T7610] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  318.753362][ T7610]  </TASK>
[  318.757545][ T7610] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.757566][ T7610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.283512][ T7614] loop1: detected capacity change from 0 to 32768
[  319.286679][ T7614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.286700][ T7614] CPU: 0 UID: 0 PID: 7614 Comm: syz.1.248 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  319.286721][ T7614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  319.286731][ T7614] Call Trace:
[  319.286739][ T7614]  <TASK>
[  319.286747][ T7614]  dump_stack_lvl+0xe8/0x150
[  319.286776][ T7614]  sysfs_create_dir_ns+0x271/0x2a0
[  319.286795][ T7614]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  319.286817][ T7614]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  319.286838][ T7614]  ? rt_spin_unlock+0x160/0x200
[  319.286860][ T7614]  kobject_add_internal+0x631/0xd10
[  319.286886][ T7614]  kobject_init_and_add+0x12b/0x1a0
[  319.286910][ T7614]  ? __pfx_kobject_init_and_add+0x10/0x10
[  319.286929][ T7614]  ? __raw_spin_lock_init+0x45/0x100
[  319.286954][ T7614]  ? __init_swait_queue_head+0xa9/0x150
[  319.286979][ T7614]  gfs2_sys_fs_add+0x257/0x480
[  319.287000][ T7614]  ? is_dynamic_key+0x1ac/0x1c0
[  319.287024][ T7614]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  319.287051][ T7614]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  319.287090][ T7614]  gfs2_fill_super+0x141c/0x2220
[  319.287127][ T7614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.287149][ T7614]  ? rt_spin_unlock+0x14f/0x200
[  319.287173][ T7614]  ? sb_set_blocksize+0x11b/0x210
[  319.287199][ T7614]  ? setup_bdev_super+0x4c1/0x5b0
[  319.287232][ T7614]  get_tree_bdev_flags+0x431/0x4f0
[  319.287255][ T7614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.287279][ T7614]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  319.287300][ T7614]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  319.287331][ T7614]  gfs2_get_tree+0x51/0x1e0
[  319.287358][ T7614]  vfs_get_tree+0x92/0x2a0
[  319.287383][ T7614]  do_new_mount+0x341/0xd30
[  319.287400][ T7614]  ? apparmor_capable+0x126/0x170
[  319.287430][ T7614]  ? __pfx_do_new_mount+0x10/0x10
[  319.287448][ T7614]  ? ns_capable+0x89/0xe0
[  319.287471][ T7614]  ? user_path_at+0xd4/0x160
[  319.287495][ T7614]  ? user_path_at+0xd4/0x160
[  319.287516][ T7614]  __se_sys_mount+0x31d/0x420
[  319.287541][ T7614]  ? __pfx___se_sys_mount+0x10/0x10
[  319.287565][ T7614]  ? __x64_sys_mount+0x20/0xc0
[  319.287582][ T7614]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.287602][ T7614]  do_syscall_64+0x15f/0xf80
[  319.287625][ T7614]  ? trace_irq_disable+0x3b/0x140
[  319.287647][ T7614]  ? clear_bhb_loop+0x40/0x90
[  319.287669][ T7614]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.287685][ T7614] RIP: 0033:0x7f9404e8b60a
[  319.287703][ T7614] 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
[  319.287719][ T7614] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.287740][ T7614] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  319.287754][ T7614] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  319.287773][ T7614] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  319.287785][ T7614] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  319.287798][ T7614] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  319.287828][ T7614]  </TASK>
[  319.287854][ T7614] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.287868][ T7614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.843152][ T7618] loop1: detected capacity change from 0 to 32768
[  319.859363][ T7618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.859384][ T7618] CPU: 0 UID: 0 PID: 7618 Comm: syz.1.249 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  319.859405][ T7618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  319.859415][ T7618] Call Trace:
[  319.859423][ T7618]  <TASK>
[  319.859431][ T7618]  dump_stack_lvl+0xe8/0x150
[  319.859459][ T7618]  sysfs_create_dir_ns+0x271/0x2a0
[  319.859479][ T7618]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  319.859502][ T7618]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  319.859523][ T7618]  ? rt_spin_unlock+0x160/0x200
[  319.859546][ T7618]  kobject_add_internal+0x631/0xd10
[  319.859572][ T7618]  kobject_init_and_add+0x12b/0x1a0
[  319.859594][ T7618]  ? __pfx_kobject_init_and_add+0x10/0x10
[  319.859614][ T7618]  ? __raw_spin_lock_init+0x45/0x100
[  319.859637][ T7618]  ? __init_swait_queue_head+0xa9/0x150
[  319.859663][ T7618]  gfs2_sys_fs_add+0x257/0x480
[  319.859682][ T7618]  ? is_dynamic_key+0x1ac/0x1c0
[  319.859711][ T7618]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  319.859740][ T7618]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  319.859779][ T7618]  gfs2_fill_super+0x141c/0x2220
[  319.859819][ T7618]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.859840][ T7618]  ? rt_spin_unlock+0x14f/0x200
[  319.859864][ T7618]  ? sb_set_blocksize+0x11b/0x210
[  319.859889][ T7618]  ? setup_bdev_super+0x4c1/0x5b0
[  319.859916][ T7618]  get_tree_bdev_flags+0x431/0x4f0
[  319.859939][ T7618]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.859962][ T7618]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  319.859982][ T7618]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  319.860013][ T7618]  gfs2_get_tree+0x51/0x1e0
[  319.860039][ T7618]  vfs_get_tree+0x92/0x2a0
[  319.860063][ T7618]  do_new_mount+0x341/0xd30
[  319.860079][ T7618]  ? apparmor_capable+0x126/0x170
[  319.860109][ T7618]  ? __pfx_do_new_mount+0x10/0x10
[  319.860128][ T7618]  ? ns_capable+0x89/0xe0
[  319.860152][ T7618]  ? user_path_at+0xd4/0x160
[  319.860176][ T7618]  ? user_path_at+0xd4/0x160
[  319.860204][ T7618]  __se_sys_mount+0x31d/0x420
[  319.860229][ T7618]  ? __pfx___se_sys_mount+0x10/0x10
[  319.860254][ T7618]  ? __x64_sys_mount+0x20/0xc0
[  319.860272][ T7618]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.860292][ T7618]  do_syscall_64+0x15f/0xf80
[  319.860316][ T7618]  ? trace_irq_disable+0x3b/0x140
[  319.860339][ T7618]  ? clear_bhb_loop+0x40/0x90
[  319.860361][ T7618]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.860379][ T7618] RIP: 0033:0x7f9404e8b60a
[  319.860397][ T7618] 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
[  319.860412][ T7618] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.860432][ T7618] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  319.860446][ T7618] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  319.860459][ T7618] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  319.860470][ T7618] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  319.860482][ T7618] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  319.860511][ T7618]  </TASK>
[  319.860547][ T7618] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.860561][ T7618] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.403863][ T7622] loop1: detected capacity change from 0 to 32768
[  320.410843][ T7622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.410864][ T7622] CPU: 0 UID: 0 PID: 7622 Comm: syz.1.250 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  320.410885][ T7622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  320.410895][ T7622] Call Trace:
[  320.410903][ T7622]  <TASK>
[  320.410911][ T7622]  dump_stack_lvl+0xe8/0x150
[  320.410940][ T7622]  sysfs_create_dir_ns+0x271/0x2a0
[  320.410960][ T7622]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  320.410983][ T7622]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  320.411006][ T7622]  ? rt_spin_unlock+0x160/0x200
[  320.411028][ T7622]  kobject_add_internal+0x631/0xd10
[  320.411053][ T7622]  kobject_init_and_add+0x12b/0x1a0
[  320.411078][ T7622]  ? __pfx_kobject_init_and_add+0x10/0x10
[  320.411098][ T7622]  ? __raw_spin_lock_init+0x45/0x100
[  320.411122][ T7622]  ? __init_swait_queue_head+0xa9/0x150
[  320.411148][ T7622]  gfs2_sys_fs_add+0x257/0x480
[  320.411169][ T7622]  ? is_dynamic_key+0x1ac/0x1c0
[  320.411194][ T7622]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  320.411223][ T7622]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  320.411261][ T7622]  gfs2_fill_super+0x141c/0x2220
[  320.411300][ T7622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.411321][ T7622]  ? rt_spin_unlock+0x14f/0x200
[  320.411345][ T7622]  ? sb_set_blocksize+0x11b/0x210
[  320.411370][ T7622]  ? setup_bdev_super+0x4c1/0x5b0
[  320.411396][ T7622]  get_tree_bdev_flags+0x431/0x4f0
[  320.411420][ T7622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.411444][ T7622]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  320.411465][ T7622]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  320.411497][ T7622]  gfs2_get_tree+0x51/0x1e0
[  320.411524][ T7622]  vfs_get_tree+0x92/0x2a0
[  320.411549][ T7622]  do_new_mount+0x341/0xd30
[  320.411566][ T7622]  ? apparmor_capable+0x126/0x170
[  320.411596][ T7622]  ? __pfx_do_new_mount+0x10/0x10
[  320.411614][ T7622]  ? ns_capable+0x89/0xe0
[  320.411638][ T7622]  ? user_path_at+0xd4/0x160
[  320.411662][ T7622]  ? user_path_at+0xd4/0x160
[  320.411685][ T7622]  __se_sys_mount+0x31d/0x420
[  320.411710][ T7622]  ? __pfx___se_sys_mount+0x10/0x10
[  320.411734][ T7622]  ? __x64_sys_mount+0x20/0xc0
[  320.411752][ T7622]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.411772][ T7622]  do_syscall_64+0x15f/0xf80
[  320.411802][ T7622]  ? trace_irq_disable+0x3b/0x140
[  320.411825][ T7622]  ? clear_bhb_loop+0x40/0x90
[  320.411848][ T7622]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.411865][ T7622] RIP: 0033:0x7f9404e8b60a
[  320.411883][ T7622] 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
[  320.411898][ T7622] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.411919][ T7622] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  320.411932][ T7622] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  320.411945][ T7622] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  320.411958][ T7622] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  320.411970][ T7622] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  320.411999][ T7622]  </TASK>
[  320.412023][ T7622] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.412037][ T7622] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.975105][ T7626] loop1: detected capacity change from 0 to 32768
[  320.980294][ T7626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.980315][ T7626] CPU: 1 UID: 0 PID: 7626 Comm: syz.1.251 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  320.980336][ T7626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  320.980347][ T7626] Call Trace:
[  320.980354][ T7626]  <TASK>
[  320.980363][ T7626]  dump_stack_lvl+0xe8/0x150
[  320.980391][ T7626]  sysfs_create_dir_ns+0x271/0x2a0
[  320.980412][ T7626]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  320.980434][ T7626]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  320.980457][ T7626]  ? rt_spin_unlock+0x160/0x200
[  320.980481][ T7626]  kobject_add_internal+0x631/0xd10
[  320.980508][ T7626]  kobject_init_and_add+0x12b/0x1a0
[  320.980531][ T7626]  ? __pfx_kobject_init_and_add+0x10/0x10
[  320.980551][ T7626]  ? __raw_spin_lock_init+0x45/0x100
[  320.980575][ T7626]  ? __init_swait_queue_head+0xa9/0x150
[  320.980601][ T7626]  gfs2_sys_fs_add+0x257/0x480
[  320.980621][ T7626]  ? is_dynamic_key+0x1ac/0x1c0
[  320.980647][ T7626]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  320.980675][ T7626]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  320.980712][ T7626]  gfs2_fill_super+0x141c/0x2220
[  320.980755][ T7626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.980776][ T7626]  ? rt_spin_unlock+0x14f/0x200
[  320.980800][ T7626]  ? sb_set_blocksize+0x11b/0x210
[  320.980828][ T7626]  ? setup_bdev_super+0x4c1/0x5b0
[  320.980863][ T7626]  get_tree_bdev_flags+0x431/0x4f0
[  320.980886][ T7626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.980911][ T7626]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  320.980932][ T7626]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  320.980965][ T7626]  gfs2_get_tree+0x51/0x1e0
[  320.980992][ T7626]  vfs_get_tree+0x92/0x2a0
[  320.981014][ T7626]  do_new_mount+0x341/0xd30
[  320.981038][ T7626]  ? apparmor_capable+0x126/0x170
[  320.981069][ T7626]  ? __pfx_do_new_mount+0x10/0x10
[  320.981087][ T7626]  ? ns_capable+0x89/0xe0
[  320.981112][ T7626]  ? user_path_at+0xd4/0x160
[  320.981136][ T7626]  ? user_path_at+0xd4/0x160
[  320.981158][ T7626]  __se_sys_mount+0x31d/0x420
[  320.981181][ T7626]  ? __pfx___se_sys_mount+0x10/0x10
[  320.981206][ T7626]  ? __x64_sys_mount+0x20/0xc0
[  320.981223][ T7626]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.981242][ T7626]  do_syscall_64+0x15f/0xf80
[  320.981264][ T7626]  ? trace_irq_disable+0x3b/0x140
[  320.981287][ T7626]  ? clear_bhb_loop+0x40/0x90
[  320.981308][ T7626]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.981326][ T7626] RIP: 0033:0x7f9404e8b60a
[  320.981343][ T7626] 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
[  320.981357][ T7626] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.981377][ T7626] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  320.981391][ T7626] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  320.981403][ T7626] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  320.981415][ T7626] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  320.981427][ T7626] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  320.981457][ T7626]  </TASK>
[  320.981493][ T7626] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.981508][ T7626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.548666][ T7630] loop1: detected capacity change from 0 to 32768
[  321.552648][ T7630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.552669][ T7630] CPU: 1 UID: 0 PID: 7630 Comm: syz.1.252 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  321.552690][ T7630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  321.552700][ T7630] Call Trace:
[  321.552707][ T7630]  <TASK>
[  321.552715][ T7630]  dump_stack_lvl+0xe8/0x150
[  321.552743][ T7630]  sysfs_create_dir_ns+0x271/0x2a0
[  321.552762][ T7630]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  321.552785][ T7630]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  321.552807][ T7630]  ? rt_spin_unlock+0x160/0x200
[  321.552830][ T7630]  kobject_add_internal+0x631/0xd10
[  321.552856][ T7630]  kobject_init_and_add+0x12b/0x1a0
[  321.552880][ T7630]  ? __pfx_kobject_init_and_add+0x10/0x10
[  321.552901][ T7630]  ? __raw_spin_lock_init+0x45/0x100
[  321.552924][ T7630]  ? __init_swait_queue_head+0xa9/0x150
2026/05/01 21:32:41 executed programs: 238
[  321.552950][ T7630]  gfs2_sys_fs_add+0x257/0x480
[  321.552977][ T7630]  ? is_dynamic_key+0x1ac/0x1c0
[  321.553002][ T7630]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  321.553029][ T7630]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  321.553068][ T7630]  gfs2_fill_super+0x141c/0x2220
[  321.553112][ T7630]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.553134][ T7630]  ? rt_spin_unlock+0x14f/0x200
[  321.553159][ T7630]  ? sb_set_blocksize+0x11b/0x210
[  321.553185][ T7630]  ? setup_bdev_super+0x4c1/0x5b0
[  321.553210][ T7630]  get_tree_bdev_flags+0x431/0x4f0
[  321.553231][ T7630]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.553252][ T7630]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  321.553271][ T7630]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  321.553301][ T7630]  gfs2_get_tree+0x51/0x1e0
[  321.553328][ T7630]  vfs_get_tree+0x92/0x2a0
[  321.553352][ T7630]  do_new_mount+0x341/0xd30
[  321.553369][ T7630]  ? apparmor_capable+0x126/0x170
[  321.553398][ T7630]  ? __pfx_do_new_mount+0x10/0x10
[  321.553417][ T7630]  ? ns_capable+0x89/0xe0
[  321.553442][ T7630]  ? user_path_at+0xd4/0x160
[  321.553467][ T7630]  ? user_path_at+0xd4/0x160
[  321.553490][ T7630]  __se_sys_mount+0x31d/0x420
[  321.553513][ T7630]  ? __pfx___se_sys_mount+0x10/0x10
[  321.553536][ T7630]  ? __x64_sys_mount+0x20/0xc0
[  321.553555][ T7630]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.553575][ T7630]  do_syscall_64+0x15f/0xf80
[  321.553598][ T7630]  ? trace_irq_disable+0x3b/0x140
[  321.553621][ T7630]  ? clear_bhb_loop+0x40/0x90
[  321.553642][ T7630]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.553659][ T7630] RIP: 0033:0x7f9404e8b60a
[  321.553676][ T7630] 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
[  321.553710][ T7630] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.553729][ T7630] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  321.553742][ T7630] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  321.553755][ T7630] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  321.553767][ T7630] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  321.553779][ T7630] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  321.553809][ T7630]  </TASK>
[  321.583602][ T7630] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.583623][ T7630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.145786][ T7634] loop1: detected capacity change from 0 to 32768
[  322.151237][ T7634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.151259][ T7634] CPU: 0 UID: 0 PID: 7634 Comm: syz.1.253 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  322.151280][ T7634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  322.151290][ T7634] Call Trace:
[  322.151297][ T7634]  <TASK>
[  322.151306][ T7634]  dump_stack_lvl+0xe8/0x150
[  322.151334][ T7634]  sysfs_create_dir_ns+0x271/0x2a0
[  322.151355][ T7634]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  322.151378][ T7634]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  322.151401][ T7634]  ? rt_spin_unlock+0x160/0x200
[  322.151423][ T7634]  kobject_add_internal+0x631/0xd10
[  322.151446][ T7634]  kobject_init_and_add+0x12b/0x1a0
[  322.151467][ T7634]  ? __pfx_kobject_init_and_add+0x10/0x10
[  322.151485][ T7634]  ? __raw_spin_lock_init+0x45/0x100
[  322.151508][ T7634]  ? __init_swait_queue_head+0xa9/0x150
[  322.151531][ T7634]  gfs2_sys_fs_add+0x257/0x480
[  322.151551][ T7634]  ? is_dynamic_key+0x1ac/0x1c0
[  322.151576][ T7634]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  322.151602][ T7634]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  322.151637][ T7634]  gfs2_fill_super+0x141c/0x2220
[  322.151683][ T7634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.151702][ T7634]  ? rt_spin_unlock+0x14f/0x200
[  322.151726][ T7634]  ? sb_set_blocksize+0x11b/0x210
[  322.151751][ T7634]  ? setup_bdev_super+0x4c1/0x5b0
[  322.151775][ T7634]  get_tree_bdev_flags+0x431/0x4f0
[  322.151794][ T7634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.151816][ T7634]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  322.151834][ T7634]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  322.151865][ T7634]  gfs2_get_tree+0x51/0x1e0
[  322.151889][ T7634]  vfs_get_tree+0x92/0x2a0
[  322.151912][ T7634]  do_new_mount+0x341/0xd30
[  322.151928][ T7634]  ? apparmor_capable+0x126/0x170
[  322.151957][ T7634]  ? __pfx_do_new_mount+0x10/0x10
[  322.151975][ T7634]  ? ns_capable+0x89/0xe0
[  322.152000][ T7634]  ? user_path_at+0xd4/0x160
[  322.152024][ T7634]  ? user_path_at+0xd4/0x160
[  322.152044][ T7634]  __se_sys_mount+0x31d/0x420
[  322.152069][ T7634]  ? __pfx___se_sys_mount+0x10/0x10
[  322.152094][ T7634]  ? __x64_sys_mount+0x20/0xc0
[  322.152112][ T7634]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.152132][ T7634]  do_syscall_64+0x15f/0xf80
[  322.152155][ T7634]  ? trace_irq_disable+0x3b/0x140
[  322.152178][ T7634]  ? clear_bhb_loop+0x40/0x90
[  322.152201][ T7634]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.152219][ T7634] RIP: 0033:0x7f9404e8b60a
[  322.152237][ T7634] 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
[  322.152251][ T7634] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.152272][ T7634] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  322.152285][ T7634] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  322.152298][ T7634] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  322.152310][ T7634] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  322.152322][ T7634] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  322.152351][ T7634]  </TASK>
[  322.152579][ T7634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.152594][ T7634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.721963][ T7638] loop1: detected capacity change from 0 to 32768
[  322.733860][ T7638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.733880][ T7638] CPU: 1 UID: 0 PID: 7638 Comm: syz.1.254 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  322.733901][ T7638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  322.733911][ T7638] Call Trace:
[  322.733918][ T7638]  <TASK>
[  322.733927][ T7638]  dump_stack_lvl+0xe8/0x150
[  322.733955][ T7638]  sysfs_create_dir_ns+0x271/0x2a0
[  322.733976][ T7638]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  322.733998][ T7638]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  322.734021][ T7638]  ? rt_spin_unlock+0x160/0x200
[  322.734044][ T7638]  kobject_add_internal+0x631/0xd10
[  322.734070][ T7638]  kobject_init_and_add+0x12b/0x1a0
[  322.734094][ T7638]  ? __pfx_kobject_init_and_add+0x10/0x10
[  322.734114][ T7638]  ? __raw_spin_lock_init+0x45/0x100
[  322.734138][ T7638]  ? __init_swait_queue_head+0xa9/0x150
[  322.734164][ T7638]  gfs2_sys_fs_add+0x257/0x480
[  322.734184][ T7638]  ? is_dynamic_key+0x1ac/0x1c0
[  322.734209][ T7638]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  322.734238][ T7638]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  322.734276][ T7638]  gfs2_fill_super+0x141c/0x2220
[  322.734315][ T7638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.734337][ T7638]  ? rt_spin_unlock+0x14f/0x200
[  322.734361][ T7638]  ? sb_set_blocksize+0x11b/0x210
[  322.734389][ T7638]  ? setup_bdev_super+0x4c1/0x5b0
[  322.734415][ T7638]  get_tree_bdev_flags+0x431/0x4f0
[  322.734437][ T7638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.734465][ T7638]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  322.734485][ T7638]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  322.734515][ T7638]  gfs2_get_tree+0x51/0x1e0
[  322.734540][ T7638]  vfs_get_tree+0x92/0x2a0
[  322.734565][ T7638]  do_new_mount+0x341/0xd30
[  322.734581][ T7638]  ? apparmor_capable+0x126/0x170
[  322.734610][ T7638]  ? __pfx_do_new_mount+0x10/0x10
[  322.734627][ T7638]  ? ns_capable+0x89/0xe0
[  322.734657][ T7638]  ? user_path_at+0xd4/0x160
[  322.734681][ T7638]  ? user_path_at+0xd4/0x160
[  322.734703][ T7638]  __se_sys_mount+0x31d/0x420
[  322.734727][ T7638]  ? __pfx___se_sys_mount+0x10/0x10
[  322.734752][ T7638]  ? __x64_sys_mount+0x20/0xc0
[  322.734770][ T7638]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.734790][ T7638]  do_syscall_64+0x15f/0xf80
[  322.734812][ T7638]  ? trace_irq_disable+0x3b/0x140
[  322.734835][ T7638]  ? clear_bhb_loop+0x40/0x90
[  322.734857][ T7638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.734874][ T7638] RIP: 0033:0x7f9404e8b60a
[  322.734892][ T7638] 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
[  322.734907][ T7638] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.734927][ T7638] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  322.734941][ T7638] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  322.734954][ T7638] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  322.734967][ T7638] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  322.734979][ T7638] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  322.735009][ T7638]  </TASK>
[  322.735034][ T7638] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.735049][ T7638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  323.332012][ T7642] loop1: detected capacity change from 0 to 32768
[  323.345978][ T7642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.345999][ T7642] CPU: 1 UID: 0 PID: 7642 Comm: syz.1.255 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  323.346019][ T7642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  323.346030][ T7642] Call Trace:
[  323.346037][ T7642]  <TASK>
[  323.346046][ T7642]  dump_stack_lvl+0xe8/0x150
[  323.346074][ T7642]  sysfs_create_dir_ns+0x271/0x2a0
[  323.346094][ T7642]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  323.346117][ T7642]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  323.346140][ T7642]  ? rt_spin_unlock+0x160/0x200
[  323.346163][ T7642]  kobject_add_internal+0x631/0xd10
[  323.346189][ T7642]  kobject_init_and_add+0x12b/0x1a0
[  323.346213][ T7642]  ? __pfx_kobject_init_and_add+0x10/0x10
[  323.346233][ T7642]  ? __raw_spin_lock_init+0x45/0x100
[  323.346258][ T7642]  ? __init_swait_queue_head+0xa9/0x150
[  323.346284][ T7642]  gfs2_sys_fs_add+0x257/0x480
[  323.346304][ T7642]  ? is_dynamic_key+0x1ac/0x1c0
[  323.346330][ T7642]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  323.346356][ T7642]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  323.346394][ T7642]  gfs2_fill_super+0x141c/0x2220
[  323.346434][ T7642]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.346459][ T7642]  ? rt_spin_unlock+0x14f/0x200
[  323.346484][ T7642]  ? sb_set_blocksize+0x11b/0x210
[  323.346510][ T7642]  ? setup_bdev_super+0x4c1/0x5b0
[  323.346535][ T7642]  get_tree_bdev_flags+0x431/0x4f0
[  323.346555][ T7642]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.346576][ T7642]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  323.346595][ T7642]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  323.346624][ T7642]  gfs2_get_tree+0x51/0x1e0
[  323.346649][ T7642]  vfs_get_tree+0x92/0x2a0
[  323.346672][ T7642]  do_new_mount+0x341/0xd30
[  323.346689][ T7642]  ? apparmor_capable+0x126/0x170
[  323.346721][ T7642]  ? __pfx_do_new_mount+0x10/0x10
[  323.346739][ T7642]  ? ns_capable+0x89/0xe0
[  323.346763][ T7642]  ? user_path_at+0xd4/0x160
[  323.346786][ T7642]  ? user_path_at+0xd4/0x160
[  323.346806][ T7642]  __se_sys_mount+0x31d/0x420
[  323.346835][ T7642]  ? __pfx___se_sys_mount+0x10/0x10
[  323.346859][ T7642]  ? __x64_sys_mount+0x20/0xc0
[  323.346876][ T7642]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.346895][ T7642]  do_syscall_64+0x15f/0xf80
[  323.346916][ T7642]  ? trace_irq_disable+0x3b/0x140
[  323.346939][ T7642]  ? clear_bhb_loop+0x40/0x90
[  323.346959][ T7642]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.346977][ T7642] RIP: 0033:0x7f9404e8b60a
[  323.346994][ T7642] 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
[  323.347009][ T7642] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.347041][ T7642] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  323.347055][ T7642] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  323.347068][ T7642] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  323.347080][ T7642] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  323.347092][ T7642] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  323.347121][ T7642]  </TASK>
[  323.347159][ T7642] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  323.347173][ T7642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.109724][ T7646] loop1: detected capacity change from 0 to 32768
[  324.121572][ T7646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.121593][ T7646] CPU: 0 UID: 0 PID: 7646 Comm: syz.1.256 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  324.121614][ T7646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  324.121624][ T7646] Call Trace:
[  324.121631][ T7646]  <TASK>
[  324.121638][ T7646]  dump_stack_lvl+0xe8/0x150
[  324.121667][ T7646]  sysfs_create_dir_ns+0x271/0x2a0
[  324.121687][ T7646]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  324.121709][ T7646]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  324.121732][ T7646]  ? rt_spin_unlock+0x160/0x200
[  324.121755][ T7646]  kobject_add_internal+0x631/0xd10
[  324.121782][ T7646]  kobject_init_and_add+0x12b/0x1a0
[  324.121813][ T7646]  ? __pfx_kobject_init_and_add+0x10/0x10
[  324.121832][ T7646]  ? __raw_spin_lock_init+0x45/0x100
[  324.121855][ T7646]  ? __init_swait_queue_head+0xa9/0x150
[  324.121881][ T7646]  gfs2_sys_fs_add+0x257/0x480
[  324.121901][ T7646]  ? is_dynamic_key+0x1ac/0x1c0
[  324.121925][ T7646]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  324.121957][ T7646]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  324.121999][ T7646]  gfs2_fill_super+0x141c/0x2220
[  324.122038][ T7646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.122060][ T7646]  ? rt_spin_unlock+0x14f/0x200
[  324.122084][ T7646]  ? sb_set_blocksize+0x11b/0x210
[  324.122111][ T7646]  ? setup_bdev_super+0x4c1/0x5b0
[  324.122137][ T7646]  get_tree_bdev_flags+0x431/0x4f0
[  324.122164][ T7646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.122188][ T7646]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  324.122208][ T7646]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  324.122249][ T7646]  gfs2_get_tree+0x51/0x1e0
[  324.122278][ T7646]  vfs_get_tree+0x92/0x2a0
[  324.122301][ T7646]  do_new_mount+0x341/0xd30
[  324.122317][ T7646]  ? apparmor_capable+0x126/0x170
[  324.122348][ T7646]  ? __pfx_do_new_mount+0x10/0x10
[  324.122366][ T7646]  ? ns_capable+0x89/0xe0
[  324.122392][ T7646]  ? user_path_at+0xd4/0x160
[  324.122418][ T7646]  ? user_path_at+0xd4/0x160
[  324.122440][ T7646]  __se_sys_mount+0x31d/0x420
[  324.122465][ T7646]  ? __pfx___se_sys_mount+0x10/0x10
[  324.122489][ T7646]  ? __x64_sys_mount+0x20/0xc0
[  324.122507][ T7646]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.122527][ T7646]  do_syscall_64+0x15f/0xf80
[  324.122549][ T7646]  ? trace_irq_disable+0x3b/0x140
[  324.122572][ T7646]  ? clear_bhb_loop+0x40/0x90
[  324.122594][ T7646]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.122612][ T7646] RIP: 0033:0x7f9404e8b60a
[  324.122630][ T7646] 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
[  324.122645][ T7646] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.122665][ T7646] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  324.122678][ T7646] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  324.122691][ T7646] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  324.122703][ T7646] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  324.122715][ T7646] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  324.122742][ T7646]  </TASK>
[  324.122778][ T7646] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.122798][ T7646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.685597][ T7650] loop1: detected capacity change from 0 to 32768
[  324.691588][ T7650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.691608][ T7650] CPU: 0 UID: 0 PID: 7650 Comm: syz.1.257 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  324.691628][ T7650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  324.691639][ T7650] Call Trace:
[  324.691646][ T7650]  <TASK>
[  324.691655][ T7650]  dump_stack_lvl+0xe8/0x150
[  324.691683][ T7650]  sysfs_create_dir_ns+0x271/0x2a0
[  324.691704][ T7650]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  324.691726][ T7650]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  324.691747][ T7650]  ? rt_spin_unlock+0x160/0x200
[  324.691771][ T7650]  kobject_add_internal+0x631/0xd10
[  324.691797][ T7650]  kobject_init_and_add+0x12b/0x1a0
[  324.691820][ T7650]  ? __pfx_kobject_init_and_add+0x10/0x10
[  324.691840][ T7650]  ? __raw_spin_lock_init+0x45/0x100
[  324.691864][ T7650]  ? __init_swait_queue_head+0xa9/0x150
[  324.691890][ T7650]  gfs2_sys_fs_add+0x257/0x480
[  324.691910][ T7650]  ? is_dynamic_key+0x1ac/0x1c0
[  324.691935][ T7650]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  324.691963][ T7650]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  324.692002][ T7650]  gfs2_fill_super+0x141c/0x2220
[  324.692042][ T7650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.692063][ T7650]  ? rt_spin_unlock+0x14f/0x200
[  324.692086][ T7650]  ? sb_set_blocksize+0x11b/0x210
[  324.692113][ T7650]  ? setup_bdev_super+0x4c1/0x5b0
[  324.692139][ T7650]  get_tree_bdev_flags+0x431/0x4f0
[  324.692163][ T7650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.692186][ T7650]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  324.692207][ T7650]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  324.692239][ T7650]  gfs2_get_tree+0x51/0x1e0
[  324.692266][ T7650]  vfs_get_tree+0x92/0x2a0
[  324.692292][ T7650]  do_new_mount+0x341/0xd30
[  324.692308][ T7650]  ? apparmor_capable+0x126/0x170
[  324.692338][ T7650]  ? __pfx_do_new_mount+0x10/0x10
[  324.692356][ T7650]  ? ns_capable+0x89/0xe0
[  324.692378][ T7650]  ? user_path_at+0xd4/0x160
[  324.692400][ T7650]  ? user_path_at+0xd4/0x160
[  324.692421][ T7650]  __se_sys_mount+0x31d/0x420
[  324.692452][ T7650]  ? __pfx___se_sys_mount+0x10/0x10
[  324.692477][ T7650]  ? __x64_sys_mount+0x20/0xc0
[  324.692495][ T7650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.692514][ T7650]  do_syscall_64+0x15f/0xf80
[  324.692538][ T7650]  ? trace_irq_disable+0x3b/0x140
[  324.692561][ T7650]  ? clear_bhb_loop+0x40/0x90
[  324.692582][ T7650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.692600][ T7650] RIP: 0033:0x7f9404e8b60a
[  324.692617][ T7650] 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
[  324.692632][ T7650] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.692651][ T7650] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  324.692665][ T7650] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  324.692678][ T7650] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  324.692691][ T7650] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  324.692703][ T7650] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  324.692733][ T7650]  </TASK>
[  324.692758][ T7650] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.692773][ T7650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.259967][ T7654] loop1: detected capacity change from 0 to 32768
[  325.272339][ T7654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.272360][ T7654] CPU: 0 UID: 0 PID: 7654 Comm: syz.1.258 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  325.272380][ T7654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  325.272392][ T7654] Call Trace:
[  325.272399][ T7654]  <TASK>
[  325.272407][ T7654]  dump_stack_lvl+0xe8/0x150
[  325.272435][ T7654]  sysfs_create_dir_ns+0x271/0x2a0
[  325.272456][ T7654]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  325.272478][ T7654]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  325.272501][ T7654]  ? rt_spin_unlock+0x160/0x200
[  325.272523][ T7654]  kobject_add_internal+0x631/0xd10
[  325.272550][ T7654]  kobject_init_and_add+0x12b/0x1a0
[  325.272573][ T7654]  ? __pfx_kobject_init_and_add+0x10/0x10
[  325.272600][ T7654]  ? __raw_spin_lock_init+0x45/0x100
[  325.272624][ T7654]  ? __init_swait_queue_head+0xa9/0x150
[  325.272651][ T7654]  gfs2_sys_fs_add+0x257/0x480
[  325.272671][ T7654]  ? is_dynamic_key+0x1ac/0x1c0
[  325.272696][ T7654]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  325.272725][ T7654]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  325.272762][ T7654]  gfs2_fill_super+0x141c/0x2220
[  325.272800][ T7654]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.272825][ T7654]  ? rt_spin_unlock+0x14f/0x200
[  325.272849][ T7654]  ? sb_set_blocksize+0x11b/0x210
[  325.272875][ T7654]  ? setup_bdev_super+0x4c1/0x5b0
[  325.272901][ T7654]  get_tree_bdev_flags+0x431/0x4f0
[  325.272925][ T7654]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.272948][ T7654]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  325.272967][ T7654]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  325.272999][ T7654]  gfs2_get_tree+0x51/0x1e0
[  325.273026][ T7654]  vfs_get_tree+0x92/0x2a0
[  325.273050][ T7654]  do_new_mount+0x341/0xd30
[  325.273067][ T7654]  ? apparmor_capable+0x126/0x170
[  325.273098][ T7654]  ? __pfx_do_new_mount+0x10/0x10
[  325.273116][ T7654]  ? ns_capable+0x89/0xe0
[  325.273140][ T7654]  ? user_path_at+0xd4/0x160
[  325.273164][ T7654]  ? user_path_at+0xd4/0x160
[  325.273186][ T7654]  __se_sys_mount+0x31d/0x420
[  325.273210][ T7654]  ? __pfx___se_sys_mount+0x10/0x10
[  325.273230][ T7654]  ? __x64_sys_mount+0x20/0xc0
[  325.273246][ T7654]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.273266][ T7654]  do_syscall_64+0x15f/0xf80
[  325.273287][ T7654]  ? trace_irq_disable+0x3b/0x140
[  325.273309][ T7654]  ? clear_bhb_loop+0x40/0x90
[  325.273351][ T7654]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.273368][ T7654] RIP: 0033:0x7f9404e8b60a
[  325.273384][ T7654] 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
[  325.273398][ T7654] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.273419][ T7654] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  325.273432][ T7654] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  325.273444][ T7654] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  325.273456][ T7654] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  325.273468][ T7654] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  325.273497][ T7654]  </TASK>
[  325.324685][ T7654] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  325.324707][ T7654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.849528][ T7658] loop1: detected capacity change from 0 to 32768
[  325.862191][ T7658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.862211][ T7658] CPU: 0 UID: 0 PID: 7658 Comm: syz.1.259 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  325.862232][ T7658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  325.862242][ T7658] Call Trace:
[  325.862249][ T7658]  <TASK>
[  325.862258][ T7658]  dump_stack_lvl+0xe8/0x150
[  325.862285][ T7658]  sysfs_create_dir_ns+0x271/0x2a0
[  325.862305][ T7658]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  325.862339][ T7658]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  325.862362][ T7658]  ? rt_spin_unlock+0x160/0x200
[  325.862384][ T7658]  kobject_add_internal+0x631/0xd10
[  325.862410][ T7658]  kobject_init_and_add+0x12b/0x1a0
[  325.862434][ T7658]  ? __pfx_kobject_init_and_add+0x10/0x10
[  325.862454][ T7658]  ? __raw_spin_lock_init+0x45/0x100
[  325.862477][ T7658]  ? __init_swait_queue_head+0xa9/0x150
[  325.862503][ T7658]  gfs2_sys_fs_add+0x257/0x480
[  325.862523][ T7658]  ? is_dynamic_key+0x1ac/0x1c0
[  325.862548][ T7658]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  325.862574][ T7658]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  325.862613][ T7658]  gfs2_fill_super+0x141c/0x2220
[  325.862651][ T7658]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.862671][ T7658]  ? rt_spin_unlock+0x14f/0x200
[  325.862696][ T7658]  ? sb_set_blocksize+0x11b/0x210
[  325.862723][ T7658]  ? setup_bdev_super+0x4c1/0x5b0
[  325.862748][ T7658]  get_tree_bdev_flags+0x431/0x4f0
[  325.862770][ T7658]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.862794][ T7658]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  325.862811][ T7658]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  325.862842][ T7658]  gfs2_get_tree+0x51/0x1e0
[  325.862868][ T7658]  vfs_get_tree+0x92/0x2a0
[  325.862890][ T7658]  do_new_mount+0x341/0xd30
[  325.862905][ T7658]  ? apparmor_capable+0x126/0x170
[  325.862936][ T7658]  ? __pfx_do_new_mount+0x10/0x10
[  325.862954][ T7658]  ? ns_capable+0x89/0xe0
[  325.862978][ T7658]  ? user_path_at+0xd4/0x160
[  325.863002][ T7658]  ? user_path_at+0xd4/0x160
[  325.863024][ T7658]  __se_sys_mount+0x31d/0x420
[  325.863048][ T7658]  ? __pfx___se_sys_mount+0x10/0x10
[  325.863072][ T7658]  ? __x64_sys_mount+0x20/0xc0
[  325.863090][ T7658]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.863111][ T7658]  do_syscall_64+0x15f/0xf80
[  325.863134][ T7658]  ? trace_irq_disable+0x3b/0x140
[  325.863157][ T7658]  ? clear_bhb_loop+0x40/0x90
[  325.863180][ T7658]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.863198][ T7658] RIP: 0033:0x7f9404e8b60a
[  325.863218][ T7658] 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
[  325.863231][ T7658] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.863249][ T7658] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  325.863261][ T7658] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  325.863273][ T7658] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  325.863283][ T7658] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  325.863294][ T7658] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  325.863329][ T7658]  </TASK>
[  325.873418][ T7658] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  325.873439][ T7658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.422539][ T7662] loop1: detected capacity change from 0 to 32768
[  326.434480][ T7662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  326.434502][ T7662] CPU: 0 UID: 0 PID: 7662 Comm: syz.1.260 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  326.434524][ T7662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  326.434535][ T7662] Call Trace:
[  326.434542][ T7662]  <TASK>
[  326.434550][ T7662]  dump_stack_lvl+0xe8/0x150
[  326.434579][ T7662]  sysfs_create_dir_ns+0x271/0x2a0
[  326.434599][ T7662]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  326.434622][ T7662]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  326.434645][ T7662]  ? rt_spin_unlock+0x160/0x200
[  326.434668][ T7662]  kobject_add_internal+0x631/0xd10
[  326.434694][ T7662]  kobject_init_and_add+0x12b/0x1a0
[  326.434719][ T7662]  ? __pfx_kobject_init_and_add+0x10/0x10
[  326.434739][ T7662]  ? __raw_spin_lock_init+0x45/0x100
[  326.434763][ T7662]  ? __init_swait_queue_head+0xa9/0x150
[  326.434790][ T7662]  gfs2_sys_fs_add+0x257/0x480
[  326.434810][ T7662]  ? is_dynamic_key+0x1ac/0x1c0
[  326.434836][ T7662]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  326.434865][ T7662]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  326.434903][ T7662]  gfs2_fill_super+0x141c/0x2220
[  326.434943][ T7662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  326.434964][ T7662]  ? rt_spin_unlock+0x14f/0x200
[  326.434989][ T7662]  ? sb_set_blocksize+0x11b/0x210
[  326.435015][ T7662]  ? setup_bdev_super+0x4c1/0x5b0
[  326.435040][ T7662]  get_tree_bdev_flags+0x431/0x4f0
[  326.435064][ T7662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  326.435087][ T7662]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  326.435107][ T7662]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  326.435140][ T7662]  gfs2_get_tree+0x51/0x1e0
[  326.435167][ T7662]  vfs_get_tree+0x92/0x2a0
[  326.435189][ T7662]  do_new_mount+0x341/0xd30
[  326.435203][ T7662]  ? apparmor_capable+0x126/0x170
[  326.435229][ T7662]  ? __pfx_do_new_mount+0x10/0x10
[  326.435250][ T7662]  ? ns_capable+0x89/0xe0
[  326.435273][ T7662]  ? user_path_at+0xd4/0x160
[  326.435295][ T7662]  ? user_path_at+0xd4/0x160
[  326.435314][ T7662]  __se_sys_mount+0x31d/0x420
[  326.435336][ T7662]  ? __pfx___se_sys_mount+0x10/0x10
[  326.435359][ T7662]  ? __x64_sys_mount+0x20/0xc0
[  326.435376][ T7662]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.435395][ T7662]  do_syscall_64+0x15f/0xf80
[  326.435418][ T7662]  ? trace_irq_disable+0x3b/0x140
[  326.435439][ T7662]  ? clear_bhb_loop+0x40/0x90
[  326.435461][ T7662]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.435485][ T7662] RIP: 0033:0x7f9404e8b60a
[  326.435502][ T7662] 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
[  326.435517][ T7662] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.435536][ T7662] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  326.435548][ T7662] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  326.435560][ T7662] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  326.435571][ T7662] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  326.435582][ T7662] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  326.435607][ T7662]  </TASK>
[  326.435632][ T7662] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.435646][ T7662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  327.014656][ T7666] loop1: detected capacity change from 0 to 32768
[  327.020825][ T7666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  327.020846][ T7666] CPU: 0 UID: 0 PID: 7666 Comm: syz.1.261 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  327.020866][ T7666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  327.020878][ T7666] Call Trace:
[  327.020885][ T7666]  <TASK>
[  327.020894][ T7666]  dump_stack_lvl+0xe8/0x150
[  327.020924][ T7666]  sysfs_create_dir_ns+0x271/0x2a0
[  327.020945][ T7666]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  327.020977][ T7666]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  327.020998][ T7666]  ? rt_spin_unlock+0x160/0x200
[  327.021017][ T7666]  kobject_add_internal+0x631/0xd10
[  327.021040][ T7666]  kobject_init_and_add+0x12b/0x1a0
[  327.021061][ T7666]  ? __pfx_kobject_init_and_add+0x10/0x10
[  327.021080][ T7666]  ? __raw_spin_lock_init+0x45/0x100
[  327.021102][ T7666]  ? __init_swait_queue_head+0xa9/0x150
[  327.021129][ T7666]  gfs2_sys_fs_add+0x257/0x480
[  327.021149][ T7666]  ? is_dynamic_key+0x1ac/0x1c0
[  327.021172][ T7666]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  327.021198][ T7666]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  327.021233][ T7666]  gfs2_fill_super+0x141c/0x2220
[  327.021268][ T7666]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.021289][ T7666]  ? rt_spin_unlock+0x14f/0x200
[  327.021310][ T7666]  ? sb_set_blocksize+0x11b/0x210
[  327.021336][ T7666]  ? setup_bdev_super+0x4c1/0x5b0
[  327.021360][ T7666]  get_tree_bdev_flags+0x431/0x4f0
[  327.021382][ T7666]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.021401][ T7666]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  327.021419][ T7666]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  327.021458][ T7666]  gfs2_get_tree+0x51/0x1e0
[  327.021483][ T7666]  vfs_get_tree+0x92/0x2a0
[  327.021506][ T7666]  do_new_mount+0x341/0xd30
[  327.021521][ T7666]  ? apparmor_capable+0x126/0x170
[  327.021549][ T7666]  ? __pfx_do_new_mount+0x10/0x10
[  327.021567][ T7666]  ? ns_capable+0x89/0xe0
[  327.021590][ T7666]  ? user_path_at+0xd4/0x160
[  327.021613][ T7666]  ? user_path_at+0xd4/0x160
[  327.021634][ T7666]  __se_sys_mount+0x31d/0x420
[  327.021657][ T7666]  ? __pfx___se_sys_mount+0x10/0x10
[  327.021680][ T7666]  ? __x64_sys_mount+0x20/0xc0
[  327.021697][ T7666]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.021716][ T7666]  do_syscall_64+0x15f/0xf80
[  327.021739][ T7666]  ? trace_irq_disable+0x3b/0x140
[  327.021761][ T7666]  ? clear_bhb_loop+0x40/0x90
[  327.021783][ T7666]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.021801][ T7666] RIP: 0033:0x7f9404e8b60a
2026/05/01 21:32:47 executed programs: 247
[  327.021820][ T7666] 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
[  327.021836][ T7666] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.021856][ T7666] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  327.021869][ T7666] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  327.021880][ T7666] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  327.021892][ T7666] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  327.021903][ T7666] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  327.021928][ T7666]  </TASK>
[  327.021957][ T7666] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  327.021971][ T7666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  327.689541][ T7670] loop1: detected capacity change from 0 to 32768
[  327.732424][ T7670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  327.732444][ T7670] CPU: 0 UID: 0 PID: 7670 Comm: syz.1.262 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  327.732465][ T7670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  327.732476][ T7670] Call Trace:
[  327.732483][ T7670]  <TASK>
[  327.732492][ T7670]  dump_stack_lvl+0xe8/0x150
[  327.732522][ T7670]  sysfs_create_dir_ns+0x271/0x2a0
[  327.732543][ T7670]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  327.732566][ T7670]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  327.732589][ T7670]  ? rt_spin_unlock+0x160/0x200
[  327.732611][ T7670]  kobject_add_internal+0x631/0xd10
[  327.732636][ T7670]  kobject_init_and_add+0x12b/0x1a0
[  327.732659][ T7670]  ? __pfx_kobject_init_and_add+0x10/0x10
[  327.732679][ T7670]  ? __raw_spin_lock_init+0x45/0x100
[  327.732702][ T7670]  ? __init_swait_queue_head+0xa9/0x150
[  327.732727][ T7670]  gfs2_sys_fs_add+0x257/0x480
[  327.732747][ T7670]  ? is_dynamic_key+0x1ac/0x1c0
[  327.732771][ T7670]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  327.732798][ T7670]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  327.732836][ T7670]  gfs2_fill_super+0x141c/0x2220
[  327.732879][ T7670]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.732901][ T7670]  ? rt_spin_unlock+0x14f/0x200
[  327.732925][ T7670]  ? sb_set_blocksize+0x11b/0x210
[  327.732951][ T7670]  ? setup_bdev_super+0x4c1/0x5b0
[  327.732977][ T7670]  get_tree_bdev_flags+0x431/0x4f0
[  327.733000][ T7670]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.733024][ T7670]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  327.733045][ T7670]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  327.733075][ T7670]  gfs2_get_tree+0x51/0x1e0
[  327.733123][ T7670]  vfs_get_tree+0x92/0x2a0
[  327.733147][ T7670]  do_new_mount+0x341/0xd30
[  327.733163][ T7670]  ? apparmor_capable+0x126/0x170
[  327.733190][ T7670]  ? __pfx_do_new_mount+0x10/0x10
[  327.733204][ T7670]  ? ns_capable+0x89/0xe0
[  327.733226][ T7670]  ? user_path_at+0xd4/0x160
[  327.733247][ T7670]  ? user_path_at+0xd4/0x160
[  327.733267][ T7670]  __se_sys_mount+0x31d/0x420
[  327.733289][ T7670]  ? __pfx___se_sys_mount+0x10/0x10
[  327.733311][ T7670]  ? __x64_sys_mount+0x20/0xc0
[  327.733327][ T7670]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.733346][ T7670]  do_syscall_64+0x15f/0xf80
[  327.733368][ T7670]  ? trace_irq_disable+0x3b/0x140
[  327.733390][ T7670]  ? clear_bhb_loop+0x40/0x90
[  327.733435][ T7670]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.733454][ T7670] RIP: 0033:0x7f9404e8b60a
[  327.733472][ T7670] 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
[  327.733487][ T7670] RSP: 002b:00007f94044ede58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.733508][ T7670] RAX: ffffffffffffffda RBX: 00007f94044edee0 RCX: 00007f9404e8b60a
[  327.733520][ T7670] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f94044edea0
[  327.733533][ T7670] RBP: 000020000001f680 R08: 00007f94044edee0 R09: 0000000000000094
[  327.733545][ T7670] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  327.733557][ T7670] R13: 00007f94044edea0 R14: 000000000001f790 R15: 00002000000001c0
[  327.733585][ T7670]  </TASK>
[  327.753403][ T7670] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  327.753423][ T7670] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  328.153813][   T39] INFO: task syz.0.18:6635 blocked in I/O wait for more than 143 seconds.
[  328.153835][   T39]       Not tainted syzkaller #0
[  328.153844][   T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  328.153854][   T39] task:syz.0.18        state:D stack:25752 pid:6635  tgid:6635  ppid:6465   task_flags:0x400040 flags:0x00080002
[  328.153900][   T39] Call Trace:
[  328.153908][   T39]  <TASK>
[  328.153920][   T39]  __schedule+0x169e/0x54f0
[  328.153952][   T39]  ? __lock_acquire+0x6b5/0x2d10
[  328.153986][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  328.154024][   T39]  ? __pfx___schedule+0x10/0x10
[  328.154054][   T39]  ? schedule+0x90/0x360
[  328.154080][   T39]  schedule+0x164/0x360
[  328.154104][   T39]  io_schedule+0x7f/0xd0
[  328.154129][   T39]  folio_wait_bit_common+0x6dd/0xbc0
[  328.154151][   T39]  ? filemap_get_folios_tag+0x118/0x720
[  328.154190][   T39]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  328.154214][   T39]  ? __pfx_wake_page_function+0x10/0x10
[  328.154245][   T39]  ? writeback_iter+0x853/0x1290
[  328.154265][   T39]  writeback_iter+0x8d8/0x1290
[  328.154296][   T39]  iomap_writepages+0x152/0x2e0
[  328.154328][   T39]  ? __pfx_iomap_writepages+0x10/0x10
[  328.154359][   T39]  gfs2_writepages+0x1bb/0x2a0
[  328.154385][   T39]  ? __pfx_gfs2_writepages+0x10/0x10
[  328.154405][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  328.154438][   T39]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  328.154464][   T39]  ? lockdep_hardirqs_on+0x7a/0x110
[  328.154489][   T39]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  328.154515][   T39]  ? __pfx_gfs2_writepages+0x10/0x10
[  328.154538][   T39]  do_writepages+0x32e/0x550
[  328.154557][   T39]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  328.154580][   T39]  ? rt_spin_unlock+0x14f/0x200
[  328.154610][   T39]  filemap_fdatawrite+0x1ec/0x2f0
[  328.154634][   T39]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  328.154687][   T39]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  328.154709][   T39]  ? rt_spin_unlock+0x14f/0x200
[  328.154734][   T39]  ? rt_spin_unlock+0x160/0x200
[  328.154758][   T39]  __gfs2_log_flush+0x85b/0x1dc0
[  328.154799][   T39]  ? __pfx___gfs2_log_flush+0x10/0x10
[  328.154837][   T39]  gfs2_log_flush+0x34/0x50
[  328.154863][   T39]  gfs2_trans_end+0x37b/0x570
[  328.154893][   T39]  gfs2_page_mkwrite+0x1529/0x18f0
[  328.154927][   T39]  ? do_page_mkwrite+0x150/0x310
[  328.154951][   T39]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  328.154977][   T39]  ? gfs2_fault+0x1b9/0x220
[  328.154999][   T39]  ? __pfx_gfs2_fault+0x10/0x10
[  328.155020][   T39]  ? __free_object+0x433/0x5d0
[  328.155043][   T39]  ? do_page_mkwrite+0x150/0x310
[  328.155098][   T39]  ? __pte_offset_map+0x29/0x200
[  328.155123][   T39]  do_page_mkwrite+0x150/0x310
[  328.155152][   T39]  do_pte_missing+0x736/0x2940
[  328.155184][   T39]  ? handle_mm_fault+0xed/0x14c0
[  328.155209][   T39]  handle_mm_fault+0xdb5/0x14c0
[  328.155235][   T39]  ? handle_mm_fault+0xed/0x14c0
[  328.155261][   T39]  ? __pfx_handle_mm_fault+0x10/0x10
[  328.155281][   T39]  ? lock_vma_under_rcu+0x45a/0x500
[  328.155304][   T39]  ? __pfx_do_futex+0x10/0x10
[  328.155352][   T39]  do_user_addr_fault+0xa73/0x1340
[  328.155382][   T39]  ? rcu_is_watching+0x15/0xb0
[  328.155402][   T39]  ? trace_page_fault_user+0x84/0x1e0
[  328.155427][   T39]  exc_page_fault+0x6a/0xc0
[  328.155452][   T39]  asm_exc_page_fault+0x26/0x30
[  328.155470][   T39] RIP: 0033:0x7fafec2b5585
[  328.155486][   T39] RSP: 002b:00007fffbb0b1b30 EFLAGS: 00010246
[  328.155502][   T39] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[  328.155515][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005555767393d8
[  328.155525][   T39] RBP: 00007fffbb0b1c50 R08: 0000000000000000 R09: 0000000000000000
[  328.155537][   T39] R10: 0000000000000000 R11: 0000000000000000 R12: 00007fffbb0b1c90
[  328.155548][   T39] R13: 00007fafec625fac R14: 000000000002838d R15: 00007fafec625fa0
[  328.155576][   T39]  </TASK>
[  328.155603][   T39] 
[  328.155603][   T39] Showing all locks held in the system:
[  328.155614][   T39] 1 lock held by khungtaskd/39:
[  328.155625][   T39]  #0: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  328.155678][   T39] 2 locks held by kworker/u8:2/44:
[  328.155687][   T39]  #0: ffff88813fe7c138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[  328.155732][   T39]  #1: ffffc90000b67c40 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[  328.155777][   T39] 4 locks held by kworker/u8:7/159:
[  328.155787][   T39]  #0: ffff88801f6c5138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[  328.155828][   T39]  #1: ffffc90003a07c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[  328.155871][   T39]  #2: ffff888039fac0d0 (&type->s_umount_key#55){++++}-{4:4}, at: super_trylock_shared+0x20/0xf0
[  328.155918][   T39]  #3: ffff8880329311a0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x27/0x50
[  328.155968][   T39] 2 locks held by kworker/u8:8/753:
[  328.155979][   T39]  #0: ffff88813fe7c138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[  328.156023][   T39]  #1: ffffc90003c17c40 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[  328.156086][   T39] 2 locks held by getty/5366:
[  328.156096][   T39]  #0: ffff88803265d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  328.156140][   T39]  #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[  328.156192][   T39] 4 locks held by syz.0.18/6635:
[  328.156202][   T39]  #0: ffff888045380808 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500
[  328.156248][   T39]  #1: ffff888039fac5f8 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x150/0x310
[  328.156299][   T39]  #2: ffff888039fac770 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[  328.156355][   T39]  #3: ffff8880329311a0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x27/0x50
[  328.156400][   T39] 1 lock held by gfs2_logd/syz:s/6639:
[  328.156409][   T39]  #0: ffff8880329311a0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_logd+0x2ac/0x1180
[  328.156457][   T39] 2 locks held by gfs2_quotad/syz/6640:
[  328.156468][   T39]  #0: ffff888039fac770 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[  328.156518][   T39]  #1: ffff8880329311a0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: __gfs2_trans_begin+0x51e/0x910
[  328.156566][   T39] 1 lock held by udevd/6647:
[  328.156576][   T39]  #0: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: tomoyo_check_open_permission+0x1d3/0x470
[  328.156622][   T39] 2 locks held by syz.1.263/7674:
[  328.156633][   T39]  #0: ffff8880445926c8 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500
[  328.156678][   T39]  #1: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x200
[  328.156720][   T39] 
[  328.156725][   T39] =============================================
[  328.156725][   T39] 
[  328.156745][   T39] NMI backtrace for cpu 0
[  328.156758][   T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  328.156777][   T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  328.156787][   T39] Call Trace:
[  328.156795][   T39]  <TASK>
[  328.156803][   T39]  dump_stack_lvl+0xe8/0x150
[  328.156827][   T39]  nmi_cpu_backtrace+0x274/0x2d0
[  328.156848][   T39]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  328.156872][   T39]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  328.156892][   T39]  sys_info+0x135/0x170
[  328.156908][   T39]  watchdog+0xfd3/0x1030
[  328.156937][   T39]  ? watchdog+0x1c9/0x1030
[  328.156959][   T39]  kthread+0x388/0x470
[  328.156984][   T39]  ? __pfx_watchdog+0x10/0x10
[  328.157002][   T39]  ? __pfx_kthread+0x10/0x10
[  328.157027][   T39]  ret_from_fork+0x514/0xb70
[  328.157051][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  328.157071][   T39]  ? __switch_to+0xc79/0x1410
[  328.157091][   T39]  ? __pfx_kthread+0x10/0x10
[  328.157114][   T39]  ret_from_fork_asm+0x1a/0x30
[  328.157151][   T39]  </TASK>
[  328.157158][   T39] Sending NMI from CPU 0 to CPUs 1:
[  328.157189][    C1] NMI backtrace for cpu 1
[  328.157203][    C1] CPU: 1 UID: 0 PID: 6647 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  328.157220][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  328.157229][    C1] RIP: 0010:stack_trace_consume_entry+0x7/0x280
[  328.157252][    C1] Code: cc cc cc cc e8 fa 80 77 09 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 <41> 56 41 55 41 54 53 48 83 ec 18 48 ba 00 00 00 00 00 fc ff df 4c
[  328.157265][    C1] RSP: 0018:ffffc90003d27490 EFLAGS: 00000286
[  328.157279][    C1] RAX: ffffffff82228655 RBX: ffffc90003d27560 RCX: 0000000000000000
[  328.157291][    C1] RDX: 0000000000000001 RSI: ffffffff82228655 RDI: ffffc90003d27560
[  328.157302][    C1] RBP: ffffc90003d27530 R08: ffffc90003d27850 R09: 0000000000000000
[  328.157313][    C1] R10: ffffc90003d274f8 R11: ffffffff81afb320 R12: ffff88802f680000
[  328.157325][    C1] R13: 0000000000000000 R14: ffffffff81afb320 R15: ffffc90003d274a8
[  328.157336][    C1] FS:  00007fb5d5535880(0000) GS:ffff88812602a000(0000) knlGS:0000000000000000
[  328.157349][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  328.157360][    C1] CR2: 00007f93fc9dd000 CR3: 000000004071a000 CR4: 00000000003526f0
[  328.157374][    C1] Call Trace:
[  328.157380][    C1]  <TASK>
[  328.157387][    C1]  arch_stack_walk+0x10f/0x150
[  328.157410][    C1]  ? kfree+0x1c5/0x6c0
[  328.157428][    C1]  stack_trace_save+0xa9/0x100
[  328.157446][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  328.157463][    C1]  ? __lock_acquire+0x5d1/0x2d10
[  328.157485][    C1]  ? __lock_acquire+0x6b5/0x2d10
[  328.157507][    C1]  kasan_save_track+0x3e/0x80
[  328.157523][    C1]  ? kasan_save_track+0x3e/0x80
[  328.157537][    C1]  ? kasan_save_free_info+0x46/0x50
[  328.157557][    C1]  ? __kasan_slab_free+0x5c/0x80
[  328.157595][    C1]  kasan_save_free_info+0x46/0x50
[  328.157615][    C1]  __kasan_slab_free+0x5c/0x80
[  328.157632][    C1]  kfree+0x1c5/0x6c0
[  328.157646][    C1]  ? tomoyo_encode+0x511/0x550
[  328.157664][    C1]  ? tomoyo_realpath_from_path+0x598/0x5d0
[  328.157686][    C1]  tomoyo_realpath_from_path+0x598/0x5d0
[  328.157711][    C1]  tomoyo_path_perm+0x283/0x560
[  328.157727][    C1]  ? tomoyo_path_perm+0x251/0x560
[  328.157743][    C1]  ? __pfx_tomoyo_path_perm+0x10/0x10
[  328.157780][    C1]  security_inode_getattr+0x12b/0x310
[  328.157802][    C1]  vfs_getattr+0x23/0x70
[  328.157823][    C1]  vfs_statx_path+0x2b/0x230
[  328.157837][    C1]  ? vfs_statx+0x107/0x200
[  328.157858][    C1]  vfs_statx+0x12e/0x200
[  328.157879][    C1]  ? __pfx_vfs_statx+0x10/0x10
[  328.157900][    C1]  ? strncpy_from_user+0x150/0x2b0
[  328.157917][    C1]  ? do_getname+0x151/0x250
[  328.157938][    C1]  vfs_fstatat+0x11b/0x170
[  328.157960][    C1]  __x64_sys_newfstatat+0x151/0x200
[  328.157975][    C1]  ? __pfx___x64_sys_newfstatat+0x10/0x10
[  328.158003][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.158018][    C1]  do_syscall_64+0x15f/0xf80
[  328.158039][    C1]  ? clear_bhb_loop+0x40/0x90
[  328.158055][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.158076][    C1] RIP: 0033:0x7fb5d568db0a
[  328.158089][    C1] Code: 48 8b 15 f1 f2 0d 00 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 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7
[  328.158101][    C1] RSP: 002b:00007ffc3b66f338 EFLAGS: 00000202 ORIG_RAX: 0000000000000106
[  328.158116][    C1] RAX: ffffffffffffffda RBX: 00007ffc3b66fd10 RCX: 00007fb5d568db0a
[  328.158128][    C1] RDX: 00007ffc3b66f360 RSI: 00007ffc3b66fd10 RDI: 00000000ffffff9c
[  328.158139][    C1] RBP: 00007ffc3b66fd1f R08: 0000000000000075 R09: 0000000000000000
[  328.158149][    C1] R10: 0000000000000100 R11: 0000000000000202 R12: 0000558dbf34f2e5
[  328.158159][    C1] R13: 00007ffc3b66f3f0 R14: 0000558dba3016d7 R15: 0000558dbf34f2e0
[  328.158178][    C1]  </TASK>
[  328.159814][   T39] Kernel panic - not syncing: hung_task: blocked tasks
[  328.159838][   T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  328.159860][   T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  328.159871][   T39] Call Trace:
[  328.159879][   T39]  <TASK>
[  328.159886][   T39]  vpanic+0x56c/0xa60
[  328.159914][   T39]  ? __pfx___schedule+0x10/0x10
[  328.159938][   T39]  ? __pfx_vpanic+0x10/0x10
[  328.159968][   T39]  panic+0xc5/0xd0
[  328.159988][   T39]  ? __pfx_panic+0x10/0x10
[  328.160010][   T39]  ? preempt_schedule_thunk+0x16/0x30
[  328.160033][   T39]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  328.160056][   T39]  watchdog+0x102c/0x1030
[  328.160085][   T39]  ? watchdog+0x1c9/0x1030
[  328.160113][   T39]  kthread+0x388/0x470
[  328.160138][   T39]  ? __pfx_watchdog+0x10/0x10
[  328.160158][   T39]  ? __pfx_kthread+0x10/0x10
[  328.160184][   T39]  ret_from_fork+0x514/0xb70
[  328.160209][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  328.160229][   T39]  ? __switch_to+0xc79/0x1410
[  328.160246][   T39]  ? __pfx_kthread+0x10/0x10
[  328.160269][   T39]  ret_from_fork_asm+0x1a/0x30
[  328.160302][   T39]  </TASK>
[  328.160882][   T39] Kernel Offset: disabled