: 1 UID: 0 PID: 7382 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  284.089238][ T7382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  284.089244][ T7382] Call Trace:
[  284.089249][ T7382]  <TASK>
[  284.089253][ T7382]  dump_stack_lvl+0xe8/0x150
[  284.089272][ T7382]  sysfs_create_dir_ns+0x271/0x2a0
[  284.089284][ T7382]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  284.089297][ T7382]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.089310][ T7382]  ? rt_spin_unlock+0x160/0x200
[  284.089323][ T7382]  kobject_add_internal+0x631/0xd10
[  284.089337][ T7382]  kobject_init_and_add+0x12b/0x1a0
[  284.089350][ T7382]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.089361][ T7382]  ? __raw_spin_lock_init+0x45/0x100
[  284.089375][ T7382]  ? __init_swait_queue_head+0xa9/0x150
[  284.089391][ T7382]  gfs2_sys_fs_add+0x257/0x480
[  284.089404][ T7382]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.089414][ T7382]  ? lockdep_hardirqs_on+0x7a/0x110
[  284.089429][ T7382]  ? trace_irq_disable+0x3b/0x140
[  284.089453][ T7382]  gfs2_fill_super+0x141c/0x2220
[  284.089476][ T7382]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.089489][ T7382]  ? rt_spin_unlock+0x14f/0x200
[  284.089502][ T7382]  ? sb_set_blocksize+0x11b/0x210
[  284.089518][ T7382]  ? setup_bdev_super+0x4c1/0x5b0
[  284.089534][ T7382]  get_tree_bdev_flags+0x431/0x4f0
[  284.089547][ T7382]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.089560][ T7382]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.089573][ T7382]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.089591][ T7382]  gfs2_get_tree+0x51/0x1e0
[  284.089607][ T7382]  vfs_get_tree+0x92/0x2a0
[  284.089621][ T7382]  do_new_mount+0x341/0xd30
[  284.089631][ T7382]  ? apparmor_capable+0x126/0x170
[  284.089648][ T7382]  ? __pfx_do_new_mount+0x10/0x10
[  284.089658][ T7382]  ? ns_capable+0x89/0xe0
[  284.089672][ T7382]  ? user_path_at+0xd4/0x160
[  284.089685][ T7382]  ? user_path_at+0xd4/0x160
[  284.089697][ T7382]  __se_sys_mount+0x31d/0x420
[  284.089710][ T7382]  ? __pfx___se_sys_mount+0x10/0x10
[  284.089732][ T7382]  ? __x64_sys_mount+0x20/0xc0
[  284.089742][ T7382]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.089753][ T7382]  do_syscall_64+0x15f/0xf80
[  284.089767][ T7382]  ? trace_irq_disable+0x3b/0x140
[  284.089780][ T7382]  ? clear_bhb_loop+0x40/0x90
[  284.089792][ T7382]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.089802][ T7382] RIP: 0033:0x7fd0986fb60a
[  284.089813][ T7382] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.089821][ T7382] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.089833][ T7382] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  284.089841][ T7382] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  284.089851][ T7382] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  284.089872][ T7382] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  284.089879][ T7382] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  284.089899][ T7382]  </TASK>
[  284.090465][ T7382] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.090483][ T7382] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.663817][ T7386] loop1: detected capacity change from 0 to 32768
[  284.669106][ T7386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.669135][ T7386] CPU: 0 UID: 0 PID: 7386 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  284.669156][ T7386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  284.669166][ T7386] Call Trace:
[  284.669173][ T7386]  <TASK>
[  284.669181][ T7386]  dump_stack_lvl+0xe8/0x150
[  284.669207][ T7386]  sysfs_create_dir_ns+0x271/0x2a0
[  284.669222][ T7386]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  284.669236][ T7386]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.669248][ T7386]  ? rt_spin_unlock+0x160/0x200
[  284.669261][ T7386]  kobject_add_internal+0x631/0xd10
[  284.669275][ T7386]  kobject_init_and_add+0x12b/0x1a0
[  284.669288][ T7386]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.669299][ T7386]  ? __raw_spin_lock_init+0x45/0x100
[  284.669313][ T7386]  ? __init_swait_queue_head+0xa9/0x150
[  284.669329][ T7386]  gfs2_sys_fs_add+0x257/0x480
[  284.669341][ T7386]  ? is_dynamic_key+0x1ac/0x1c0
[  284.669355][ T7386]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.669371][ T7386]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.669393][ T7386]  gfs2_fill_super+0x141c/0x2220
[  284.669415][ T7386]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.669428][ T7386]  ? rt_spin_unlock+0x14f/0x200
[  284.669441][ T7386]  ? sb_set_blocksize+0x11b/0x210
[  284.669458][ T7386]  ? setup_bdev_super+0x4c1/0x5b0
[  284.669473][ T7386]  get_tree_bdev_flags+0x431/0x4f0
[  284.669486][ T7386]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.669500][ T7386]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.669512][ T7386]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.669530][ T7386]  gfs2_get_tree+0x51/0x1e0
[  284.669546][ T7386]  vfs_get_tree+0x92/0x2a0
[  284.669561][ T7386]  do_new_mount+0x341/0xd30
[  284.669575][ T7386]  ? apparmor_capable+0x126/0x170
[  284.669604][ T7386]  ? __pfx_do_new_mount+0x10/0x10
[  284.669615][ T7386]  ? ns_capable+0x89/0xe0
[  284.669629][ T7386]  ? user_path_at+0xd4/0x160
[  284.669643][ T7386]  ? user_path_at+0xd4/0x160
[  284.669656][ T7386]  __se_sys_mount+0x31d/0x420
[  284.669669][ T7386]  ? __pfx___se_sys_mount+0x10/0x10
[  284.669682][ T7386]  ? __x64_sys_mount+0x20/0xc0
[  284.669692][ T7386]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.669703][ T7386]  do_syscall_64+0x15f/0xf80
[  284.669718][ T7386]  ? trace_irq_disable+0x3b/0x140
[  284.669732][ T7386]  ? clear_bhb_loop+0x40/0x90
[  284.669744][ T7386]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.669754][ T7386] RIP: 0033:0x7fd0986fb60a
[  284.669766][ T7386] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.669774][ T7386] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.669787][ T7386] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  284.669794][ T7386] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  284.669801][ T7386] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  284.669808][ T7386] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  284.669829][ T7386] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  284.669845][ T7386]  </TASK>
[  284.669860][ T7386] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.669871][ T7386] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.234472][ T7390] loop1: detected capacity change from 0 to 32768
[  285.250098][ T7390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.250120][ T7390] CPU: 1 UID: 0 PID: 7390 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  285.250140][ T7390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  285.250150][ T7390] Call Trace:
[  285.250158][ T7390]  <TASK>
[  285.250166][ T7390]  dump_stack_lvl+0xe8/0x150
[  285.250194][ T7390]  sysfs_create_dir_ns+0x271/0x2a0
[  285.250215][ T7390]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  285.250238][ T7390]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.250260][ T7390]  ? rt_spin_unlock+0x160/0x200
[  285.250283][ T7390]  kobject_add_internal+0x631/0xd10
[  285.250309][ T7390]  kobject_init_and_add+0x12b/0x1a0
[  285.250333][ T7390]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.250352][ T7390]  ? __raw_spin_lock_init+0x45/0x100
[  285.250377][ T7390]  ? __init_swait_queue_head+0xa9/0x150
[  285.250404][ T7390]  gfs2_sys_fs_add+0x257/0x480
[  285.250422][ T7390]  ? is_dynamic_key+0x1ac/0x1c0
[  285.250447][ T7390]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.250476][ T7390]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.250515][ T7390]  gfs2_fill_super+0x141c/0x2220
[  285.250554][ T7390]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.250577][ T7390]  ? rt_spin_unlock+0x14f/0x200
[  285.250601][ T7390]  ? sb_set_blocksize+0x11b/0x210
[  285.250625][ T7390]  ? setup_bdev_super+0x4c1/0x5b0
[  285.250652][ T7390]  get_tree_bdev_flags+0x431/0x4f0
[  285.250674][ T7390]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.250697][ T7390]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.250716][ T7390]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.250745][ T7390]  gfs2_get_tree+0x51/0x1e0
[  285.250768][ T7390]  vfs_get_tree+0x92/0x2a0
[  285.250791][ T7390]  do_new_mount+0x341/0xd30
[  285.250808][ T7390]  ? apparmor_capable+0x126/0x170
[  285.250838][ T7390]  ? __pfx_do_new_mount+0x10/0x10
[  285.250856][ T7390]  ? ns_capable+0x89/0xe0
[  285.250878][ T7390]  ? user_path_at+0xd4/0x160
[  285.250899][ T7390]  ? user_path_at+0xd4/0x160
[  285.250918][ T7390]  __se_sys_mount+0x31d/0x420
[  285.250940][ T7390]  ? __pfx___se_sys_mount+0x10/0x10
[  285.250962][ T7390]  ? __x64_sys_mount+0x20/0xc0
[  285.250978][ T7390]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.250997][ T7390]  do_syscall_64+0x15f/0xf80
[  285.251020][ T7390]  ? trace_irq_disable+0x3b/0x140
[  285.251049][ T7390]  ? clear_bhb_loop+0x40/0x90
[  285.251069][ T7390]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.251086][ T7390] RIP: 0033:0x7fd0986fb60a
[  285.251102][ T7390] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  285.251115][ T7390] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.251134][ T7390] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  285.251150][ T7390] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  285.251160][ T7390] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  285.251171][ T7390] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  285.251182][ T7390] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  285.251207][ T7390]  </TASK>
[  285.251582][ T7390] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.251599][ T7390] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.803811][ T7394] loop1: detected capacity change from 0 to 32768
[  285.807706][ T7394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.807727][ T7394] CPU: 0 UID: 0 PID: 7394 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  285.807748][ T7394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  285.807759][ T7394] Call Trace:
[  285.807766][ T7394]  <TASK>
[  285.807774][ T7394]  dump_stack_lvl+0xe8/0x150
[  285.807802][ T7394]  sysfs_create_dir_ns+0x271/0x2a0
[  285.807820][ T7394]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  285.807842][ T7394]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.807865][ T7394]  ? rt_spin_unlock+0x160/0x200
[  285.807887][ T7394]  kobject_add_internal+0x631/0xd10
[  285.807913][ T7394]  kobject_init_and_add+0x12b/0x1a0
[  285.807937][ T7394]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.807957][ T7394]  ? __raw_spin_lock_init+0x45/0x100
[  285.807981][ T7394]  ? __init_swait_queue_head+0xa9/0x150
[  285.808008][ T7394]  gfs2_sys_fs_add+0x257/0x480
[  285.808028][ T7394]  ? is_dynamic_key+0x1ac/0x1c0
[  285.808053][ T7394]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.808089][ T7394]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.808129][ T7394]  gfs2_fill_super+0x141c/0x2220
[  285.808171][ T7394]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.808193][ T7394]  ? rt_spin_unlock+0x14f/0x200
[  285.808216][ T7394]  ? sb_set_blocksize+0x11b/0x210
[  285.808244][ T7394]  ? setup_bdev_super+0x4c1/0x5b0
[  285.808271][ T7394]  get_tree_bdev_flags+0x431/0x4f0
[  285.808292][ T7394]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.808315][ T7394]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.808335][ T7394]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.808369][ T7394]  gfs2_get_tree+0x51/0x1e0
[  285.808395][ T7394]  vfs_get_tree+0x92/0x2a0
[  285.808420][ T7394]  do_new_mount+0x341/0xd30
[  285.808437][ T7394]  ? apparmor_capable+0x126/0x170
[  285.808468][ T7394]  ? __pfx_do_new_mount+0x10/0x10
[  285.808485][ T7394]  ? ns_capable+0x89/0xe0
[  285.808510][ T7394]  ? user_path_at+0xd4/0x160
[  285.808534][ T7394]  ? user_path_at+0xd4/0x160
[  285.808556][ T7394]  __se_sys_mount+0x31d/0x420
[  285.808580][ T7394]  ? __pfx___se_sys_mount+0x10/0x10
[  285.808605][ T7394]  ? __x64_sys_mount+0x20/0xc0
[  285.808623][ T7394]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.808643][ T7394]  do_syscall_64+0x15f/0xf80
[  285.808665][ T7394]  ? trace_irq_disable+0x3b/0x140
[  285.808689][ T7394]  ? clear_bhb_loop+0x40/0x90
[  285.808711][ T7394]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.808729][ T7394] RIP: 0033:0x7fd0986fb60a
[  285.808747][ T7394] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  285.808763][ T7394] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.808783][ T7394] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  285.808797][ T7394] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  285.808808][ T7394] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  285.808821][ T7394] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  285.808833][ T7394] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  285.808862][ T7394]  </TASK>
[  285.808898][ T7394] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.808913][ T7394] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.399609][ T7398] loop1: detected capacity change from 0 to 32768
[  286.413409][ T7398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.413431][ T7398] CPU: 0 UID: 0 PID: 7398 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  286.413451][ T7398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  286.413461][ T7398] Call Trace:
[  286.413468][ T7398]  <TASK>
[  286.413476][ T7398]  dump_stack_lvl+0xe8/0x150
[  286.413506][ T7398]  sysfs_create_dir_ns+0x271/0x2a0
[  286.413526][ T7398]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  286.413549][ T7398]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.413571][ T7398]  ? rt_spin_unlock+0x160/0x200
[  286.413594][ T7398]  kobject_add_internal+0x631/0xd10
[  286.413620][ T7398]  kobject_init_and_add+0x12b/0x1a0
[  286.413642][ T7398]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.413662][ T7398]  ? __raw_spin_lock_init+0x45/0x100
[  286.413687][ T7398]  ? __init_swait_queue_head+0xa9/0x150
[  286.413712][ T7398]  gfs2_sys_fs_add+0x257/0x480
[  286.413732][ T7398]  ? is_dynamic_key+0x1ac/0x1c0
[  286.413756][ T7398]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.413782][ T7398]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.413825][ T7398]  gfs2_fill_super+0x141c/0x2220
[  286.413864][ T7398]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.413884][ T7398]  ? rt_spin_unlock+0x14f/0x200
[  286.413907][ T7398]  ? sb_set_blocksize+0x11b/0x210
[  286.413935][ T7398]  ? setup_bdev_super+0x4c1/0x5b0
[  286.413962][ T7398]  get_tree_bdev_flags+0x431/0x4f0
[  286.413984][ T7398]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.414008][ T7398]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.414036][ T7398]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.414068][ T7398]  gfs2_get_tree+0x51/0x1e0
[  286.414095][ T7398]  vfs_get_tree+0x92/0x2a0
[  286.414119][ T7398]  do_new_mount+0x341/0xd30
[  286.414136][ T7398]  ? apparmor_capable+0x126/0x170
[  286.414168][ T7398]  ? __pfx_do_new_mount+0x10/0x10
[  286.414186][ T7398]  ? ns_capable+0x89/0xe0
[  286.414210][ T7398]  ? user_path_at+0xd4/0x160
[  286.414235][ T7398]  ? user_path_at+0xd4/0x160
[  286.414258][ T7398]  __se_sys_mount+0x31d/0x420
[  286.414282][ T7398]  ? __pfx___se_sys_mount+0x10/0x10
[  286.414307][ T7398]  ? __x64_sys_mount+0x20/0xc0
[  286.414325][ T7398]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.414345][ T7398]  do_syscall_64+0x15f/0xf80
[  286.414367][ T7398]  ? trace_irq_disable+0x3b/0x140
[  286.414388][ T7398]  ? clear_bhb_loop+0x40/0x90
[  286.414410][ T7398]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.414427][ T7398] RIP: 0033:0x7fd0986fb60a
[  286.414445][ T7398] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  286.414461][ T7398] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.414481][ T7398] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  286.414495][ T7398] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  286.414508][ T7398] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  286.414520][ T7398] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  286.414532][ T7398] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  286.414562][ T7398]  </TASK>
[  286.414600][ T7398] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.414614][ T7398] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.985949][ T7402] loop1: detected capacity change from 0 to 32768
[  287.002487][ T7402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.002509][ T7402] CPU: 1 UID: 0 PID: 7402 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  287.002530][ T7402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  287.002541][ T7402] Call Trace:
[  287.002548][ T7402]  <TASK>
[  287.002556][ T7402]  dump_stack_lvl+0xe8/0x150
[  287.002585][ T7402]  sysfs_create_dir_ns+0x271/0x2a0
[  287.002605][ T7402]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.002628][ T7402]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.002651][ T7402]  ? rt_spin_unlock+0x160/0x200
[  287.002673][ T7402]  kobject_add_internal+0x631/0xd10
[  287.002700][ T7402]  kobject_init_and_add+0x12b/0x1a0
[  287.002723][ T7402]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.002750][ T7402]  ? __raw_spin_lock_init+0x45/0x100
[  287.002775][ T7402]  ? __init_swait_queue_head+0xa9/0x150
[  287.002806][ T7402]  gfs2_sys_fs_add+0x257/0x480
[  287.002826][ T7402]  ? is_dynamic_key+0x1ac/0x1c0
[  287.002849][ T7402]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.002876][ T7402]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.002913][ T7402]  gfs2_fill_super+0x141c/0x2220
[  287.002950][ T7402]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.002971][ T7402]  ? rt_spin_unlock+0x14f/0x200
[  287.002993][ T7402]  ? sb_set_blocksize+0x11b/0x210
[  287.003018][ T7402]  ? setup_bdev_super+0x4c1/0x5b0
[  287.003043][ T7402]  get_tree_bdev_flags+0x431/0x4f0
[  287.003066][ T7402]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.003088][ T7402]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.003107][ T7402]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.003138][ T7402]  gfs2_get_tree+0x51/0x1e0
[  287.003164][ T7402]  vfs_get_tree+0x92/0x2a0
[  287.003188][ T7402]  do_new_mount+0x341/0xd30
[  287.003205][ T7402]  ? apparmor_capable+0x126/0x170
[  287.003233][ T7402]  ? __pfx_do_new_mount+0x10/0x10
[  287.003250][ T7402]  ? ns_capable+0x89/0xe0
[  287.003274][ T7402]  ? user_path_at+0xd4/0x160
[  287.003298][ T7402]  ? user_path_at+0xd4/0x160
[  287.003320][ T7402]  __se_sys_mount+0x31d/0x420
[  287.003342][ T7402]  ? __pfx___se_sys_mount+0x10/0x10
[  287.003364][ T7402]  ? __x64_sys_mount+0x20/0xc0
[  287.003381][ T7402]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.003401][ T7402]  do_syscall_64+0x15f/0xf80
[  287.003423][ T7402]  ? trace_irq_disable+0x3b/0x140
[  287.003444][ T7402]  ? clear_bhb_loop+0x40/0x90
[  287.003465][ T7402]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.003483][ T7402] RIP: 0033:0x7fd0986fb60a
[  287.003501][ T7402] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.003517][ T7402] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.003537][ T7402] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  287.003551][ T7402] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  287.003564][ T7402] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  287.003576][ T7402] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  287.003587][ T7402] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  287.003614][ T7402]  </TASK>
[  287.003639][ T7402] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.003653][ T7402] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.589370][ T7406] loop1: detected capacity change from 0 to 32768
[  287.610806][ T7406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.610829][ T7406] CPU: 1 UID: 0 PID: 7406 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  287.610850][ T7406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  287.610861][ T7406] Call Trace:
[  287.610869][ T7406]  <TASK>
[  287.610877][ T7406]  dump_stack_lvl+0xe8/0x150
[  287.610907][ T7406]  sysfs_create_dir_ns+0x271/0x2a0
[  287.610935][ T7406]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  287.610957][ T7406]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.610979][ T7406]  ? rt_spin_unlock+0x160/0x200
[  287.611001][ T7406]  kobject_add_internal+0x631/0xd10
[  287.611027][ T7406]  kobject_init_and_add+0x12b/0x1a0
[  287.611050][ T7406]  ? __pfx_kobject_init_and_add+0x10/0x10
2026/05/01 20:06:24 executed programs: 184
[  287.611071][ T7406]  ? __raw_spin_lock_init+0x45/0x100
[  287.611096][ T7406]  ? __init_swait_queue_head+0xa9/0x150
[  287.611123][ T7406]  gfs2_sys_fs_add+0x257/0x480
[  287.611146][ T7406]  ? is_dynamic_key+0x1ac/0x1c0
[  287.611168][ T7406]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.611193][ T7406]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.611229][ T7406]  gfs2_fill_super+0x141c/0x2220
[  287.611265][ T7406]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.611285][ T7406]  ? rt_spin_unlock+0x14f/0x200
[  287.611308][ T7406]  ? sb_set_blocksize+0x11b/0x210
[  287.611333][ T7406]  ? setup_bdev_super+0x4c1/0x5b0
[  287.611358][ T7406]  get_tree_bdev_flags+0x431/0x4f0
[  287.611380][ T7406]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.611403][ T7406]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.611423][ T7406]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.611457][ T7406]  gfs2_get_tree+0x51/0x1e0
[  287.611484][ T7406]  vfs_get_tree+0x92/0x2a0
[  287.611510][ T7406]  do_new_mount+0x341/0xd30
[  287.611526][ T7406]  ? apparmor_capable+0x126/0x170
[  287.611555][ T7406]  ? __pfx_do_new_mount+0x10/0x10
[  287.611572][ T7406]  ? ns_capable+0x89/0xe0
[  287.611597][ T7406]  ? user_path_at+0xd4/0x160
[  287.611620][ T7406]  ? user_path_at+0xd4/0x160
[  287.611641][ T7406]  __se_sys_mount+0x31d/0x420
[  287.611664][ T7406]  ? __pfx___se_sys_mount+0x10/0x10
[  287.611686][ T7406]  ? __x64_sys_mount+0x20/0xc0
[  287.611703][ T7406]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.611722][ T7406]  do_syscall_64+0x15f/0xf80
[  287.611745][ T7406]  ? trace_irq_disable+0x3b/0x140
[  287.611767][ T7406]  ? clear_bhb_loop+0x40/0x90
[  287.611789][ T7406]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.611807][ T7406] RIP: 0033:0x7fd0986fb60a
[  287.611825][ T7406] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.611840][ T7406] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.611862][ T7406] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  287.611876][ T7406] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  287.611889][ T7406] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  287.611901][ T7406] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  287.611914][ T7406] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  287.611951][ T7406]  </TASK>
[  287.614025][ T7406] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.614046][ T7406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.123829][ T7410] loop1: detected capacity change from 0 to 32768
[  288.130101][ T7410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.130125][ T7410] CPU: 0 UID: 0 PID: 7410 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  288.130145][ T7410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  288.130157][ T7410] Call Trace:
[  288.130164][ T7410]  <TASK>
[  288.130172][ T7410]  dump_stack_lvl+0xe8/0x150
[  288.130199][ T7410]  sysfs_create_dir_ns+0x271/0x2a0
[  288.130220][ T7410]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  288.130243][ T7410]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.130265][ T7410]  ? rt_spin_unlock+0x160/0x200
[  288.130288][ T7410]  kobject_add_internal+0x631/0xd10
[  288.130315][ T7410]  kobject_init_and_add+0x12b/0x1a0
[  288.130337][ T7410]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.130356][ T7410]  ? __raw_spin_lock_init+0x45/0x100
[  288.130381][ T7410]  ? __init_swait_queue_head+0xa9/0x150
[  288.130407][ T7410]  gfs2_sys_fs_add+0x257/0x480
[  288.130426][ T7410]  ? is_dynamic_key+0x1ac/0x1c0
[  288.130455][ T7410]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.130483][ T7410]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.130522][ T7410]  gfs2_fill_super+0x141c/0x2220
[  288.130561][ T7410]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.130581][ T7410]  ? rt_spin_unlock+0x14f/0x200
[  288.130606][ T7410]  ? sb_set_blocksize+0x11b/0x210
[  288.130632][ T7410]  ? setup_bdev_super+0x4c1/0x5b0
[  288.130656][ T7410]  get_tree_bdev_flags+0x431/0x4f0
[  288.130679][ T7410]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.130702][ T7410]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.130722][ T7410]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.130754][ T7410]  gfs2_get_tree+0x51/0x1e0
[  288.130780][ T7410]  vfs_get_tree+0x92/0x2a0
[  288.130805][ T7410]  do_new_mount+0x341/0xd30
[  288.130829][ T7410]  ? apparmor_capable+0x126/0x170
[  288.130858][ T7410]  ? __pfx_do_new_mount+0x10/0x10
[  288.130874][ T7410]  ? ns_capable+0x89/0xe0
[  288.130900][ T7410]  ? user_path_at+0xd4/0x160
[  288.130923][ T7410]  ? user_path_at+0xd4/0x160
[  288.130944][ T7410]  __se_sys_mount+0x31d/0x420
[  288.130968][ T7410]  ? __pfx___se_sys_mount+0x10/0x10
[  288.130993][ T7410]  ? __x64_sys_mount+0x20/0xc0
[  288.131012][ T7410]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.131032][ T7410]  do_syscall_64+0x15f/0xf80
[  288.131056][ T7410]  ? trace_irq_disable+0x3b/0x140
[  288.131079][ T7410]  ? clear_bhb_loop+0x40/0x90
[  288.131102][ T7410]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.131120][ T7410] RIP: 0033:0x7fd0986fb60a
[  288.131138][ T7410] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.131151][ T7410] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.131169][ T7410] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  288.131181][ T7410] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  288.131193][ T7410] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  288.131205][ T7410] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  288.131216][ T7410] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  288.131242][ T7410]  </TASK>
[  288.138966][ T7410] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.138986][ T7410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.721057][ T7414] loop1: detected capacity change from 0 to 32768
[  288.749075][ T7414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.749097][ T7414] CPU: 1 UID: 0 PID: 7414 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  288.749117][ T7414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  288.749129][ T7414] Call Trace:
[  288.749136][ T7414]  <TASK>
[  288.749144][ T7414]  dump_stack_lvl+0xe8/0x150
[  288.749172][ T7414]  sysfs_create_dir_ns+0x271/0x2a0
[  288.749192][ T7414]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  288.749215][ T7414]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  288.749237][ T7414]  ? rt_spin_unlock+0x160/0x200
[  288.749260][ T7414]  kobject_add_internal+0x631/0xd10
[  288.749288][ T7414]  kobject_init_and_add+0x12b/0x1a0
[  288.749312][ T7414]  ? __pfx_kobject_init_and_add+0x10/0x10
[  288.749331][ T7414]  ? __raw_spin_lock_init+0x45/0x100
[  288.749356][ T7414]  ? __init_swait_queue_head+0xa9/0x150
[  288.749382][ T7414]  gfs2_sys_fs_add+0x257/0x480
[  288.749401][ T7414]  ? is_dynamic_key+0x1ac/0x1c0
[  288.749425][ T7414]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  288.749452][ T7414]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  288.749488][ T7414]  gfs2_fill_super+0x141c/0x2220
[  288.749545][ T7414]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.749568][ T7414]  ? rt_spin_unlock+0x14f/0x200
[  288.749591][ T7414]  ? sb_set_blocksize+0x11b/0x210
[  288.749618][ T7414]  ? setup_bdev_super+0x4c1/0x5b0
[  288.749644][ T7414]  get_tree_bdev_flags+0x431/0x4f0
[  288.749667][ T7414]  ? __pfx_gfs2_fill_super+0x10/0x10
[  288.749689][ T7414]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  288.749710][ T7414]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  288.749743][ T7414]  gfs2_get_tree+0x51/0x1e0
[  288.749769][ T7414]  vfs_get_tree+0x92/0x2a0
[  288.749793][ T7414]  do_new_mount+0x341/0xd30
[  288.749809][ T7414]  ? apparmor_capable+0x126/0x170
[  288.749839][ T7414]  ? __pfx_do_new_mount+0x10/0x10
[  288.749864][ T7414]  ? ns_capable+0x89/0xe0
[  288.749889][ T7414]  ? user_path_at+0xd4/0x160
[  288.749914][ T7414]  ? user_path_at+0xd4/0x160
[  288.749937][ T7414]  __se_sys_mount+0x31d/0x420
[  288.749961][ T7414]  ? __pfx___se_sys_mount+0x10/0x10
[  288.749984][ T7414]  ? __x64_sys_mount+0x20/0xc0
[  288.750001][ T7414]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.750021][ T7414]  do_syscall_64+0x15f/0xf80
[  288.750044][ T7414]  ? trace_irq_disable+0x3b/0x140
[  288.750067][ T7414]  ? clear_bhb_loop+0x40/0x90
[  288.750088][ T7414]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  288.750105][ T7414] RIP: 0033:0x7fd0986fb60a
[  288.750124][ T7414] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.750139][ T7414] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.750159][ T7414] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  288.750172][ T7414] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  288.750185][ T7414] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  288.750198][ T7414] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  288.750209][ T7414] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  288.750236][ T7414]  </TASK>
[  288.750265][ T7414] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.750279][ T7414] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.293357][ T7418] loop1: detected capacity change from 0 to 32768
[  289.316416][ T7418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.316439][ T7418] CPU: 1 UID: 0 PID: 7418 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  289.316460][ T7418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  289.316471][ T7418] Call Trace:
[  289.316478][ T7418]  <TASK>
[  289.316486][ T7418]  dump_stack_lvl+0xe8/0x150
[  289.316524][ T7418]  sysfs_create_dir_ns+0x271/0x2a0
[  289.316544][ T7418]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.316567][ T7418]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.316589][ T7418]  ? rt_spin_unlock+0x160/0x200
[  289.316612][ T7418]  kobject_add_internal+0x631/0xd10
[  289.316632][ T7418]  kobject_init_and_add+0x12b/0x1a0
[  289.316645][ T7418]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.316656][ T7418]  ? __raw_spin_lock_init+0x45/0x100
[  289.316671][ T7418]  ? __init_swait_queue_head+0xa9/0x150
[  289.316687][ T7418]  gfs2_sys_fs_add+0x257/0x480
[  289.316698][ T7418]  ? is_dynamic_key+0x1ac/0x1c0
[  289.316713][ T7418]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.316728][ T7418]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.316751][ T7418]  gfs2_fill_super+0x141c/0x2220
[  289.316776][ T7418]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.316789][ T7418]  ? rt_spin_unlock+0x14f/0x200
[  289.316802][ T7418]  ? sb_set_blocksize+0x11b/0x210
[  289.316818][ T7418]  ? setup_bdev_super+0x4c1/0x5b0
[  289.316833][ T7418]  get_tree_bdev_flags+0x431/0x4f0
[  289.316846][ T7418]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.316860][ T7418]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.316872][ T7418]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.316890][ T7418]  gfs2_get_tree+0x51/0x1e0
[  289.316905][ T7418]  vfs_get_tree+0x92/0x2a0
[  289.316919][ T7418]  do_new_mount+0x341/0xd30
[  289.316929][ T7418]  ? apparmor_capable+0x126/0x170
[  289.316947][ T7418]  ? __pfx_do_new_mount+0x10/0x10
[  289.316957][ T7418]  ? ns_capable+0x89/0xe0
[  289.316971][ T7418]  ? user_path_at+0xd4/0x160
[  289.316985][ T7418]  ? user_path_at+0xd4/0x160
[  289.316998][ T7418]  __se_sys_mount+0x31d/0x420
[  289.317011][ T7418]  ? __pfx___se_sys_mount+0x10/0x10
[  289.317024][ T7418]  ? __x64_sys_mount+0x20/0xc0
[  289.317033][ T7418]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.317045][ T7418]  do_syscall_64+0x15f/0xf80
[  289.317059][ T7418]  ? trace_irq_disable+0x3b/0x140
[  289.317073][ T7418]  ? clear_bhb_loop+0x40/0x90
[  289.317085][ T7418]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.317095][ T7418] RIP: 0033:0x7fd0986fb60a
[  289.317106][ T7418] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  289.317115][ T7418] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.317127][ T7418] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  289.317135][ T7418] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  289.317142][ T7418] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  289.317148][ T7418] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  289.317155][ T7418] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  289.317170][ T7418]  </TASK>
[  289.317248][ T7418] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.317257][ T7418] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.890049][ T7422] loop1: detected capacity change from 0 to 32768
[  289.920257][ T7422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.920272][ T7422] CPU: 1 UID: 0 PID: 7422 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  289.920285][ T7422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  289.920291][ T7422] Call Trace:
[  289.920296][ T7422]  <TASK>
[  289.920300][ T7422]  dump_stack_lvl+0xe8/0x150
[  289.920320][ T7422]  sysfs_create_dir_ns+0x271/0x2a0
[  289.920332][ T7422]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  289.920346][ T7422]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  289.920358][ T7422]  ? rt_spin_unlock+0x160/0x200
[  289.920371][ T7422]  kobject_add_internal+0x631/0xd10
[  289.920385][ T7422]  kobject_init_and_add+0x12b/0x1a0
[  289.920398][ T7422]  ? __pfx_kobject_init_and_add+0x10/0x10
[  289.920409][ T7422]  ? __raw_spin_lock_init+0x45/0x100
[  289.920423][ T7422]  ? __init_swait_queue_head+0xa9/0x150
[  289.920439][ T7422]  gfs2_sys_fs_add+0x257/0x480
[  289.920450][ T7422]  ? is_dynamic_key+0x1ac/0x1c0
[  289.920464][ T7422]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  289.920482][ T7422]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  289.920505][ T7422]  gfs2_fill_super+0x141c/0x2220
[  289.920527][ T7422]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.920540][ T7422]  ? rt_spin_unlock+0x14f/0x200
[  289.920553][ T7422]  ? sb_set_blocksize+0x11b/0x210
[  289.920570][ T7422]  ? setup_bdev_super+0x4c1/0x5b0
[  289.920589][ T7422]  get_tree_bdev_flags+0x431/0x4f0
[  289.920610][ T7422]  ? __pfx_gfs2_fill_super+0x10/0x10
[  289.920629][ T7422]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  289.920641][ T7422]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  289.920660][ T7422]  gfs2_get_tree+0x51/0x1e0
[  289.920675][ T7422]  vfs_get_tree+0x92/0x2a0
[  289.920689][ T7422]  do_new_mount+0x341/0xd30
[  289.920699][ T7422]  ? apparmor_capable+0x126/0x170
[  289.920718][ T7422]  ? __pfx_do_new_mount+0x10/0x10
[  289.920735][ T7422]  ? ns_capable+0x89/0xe0
[  289.920749][ T7422]  ? user_path_at+0xd4/0x160
[  289.920763][ T7422]  ? user_path_at+0xd4/0x160
[  289.920776][ T7422]  __se_sys_mount+0x31d/0x420
[  289.920789][ T7422]  ? __pfx___se_sys_mount+0x10/0x10
[  289.920802][ T7422]  ? __x64_sys_mount+0x20/0xc0
[  289.920812][ T7422]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.920823][ T7422]  do_syscall_64+0x15f/0xf80
[  289.920837][ T7422]  ? trace_irq_disable+0x3b/0x140
[  289.920851][ T7422]  ? clear_bhb_loop+0x40/0x90
[  289.920863][ T7422]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  289.920874][ T7422] RIP: 0033:0x7fd0986fb60a
[  289.920885][ T7422] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  289.920894][ T7422] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.920905][ T7422] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  289.920913][ T7422] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  289.920920][ T7422] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  289.920927][ T7422] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  289.920933][ T7422] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  289.920949][ T7422]  </TASK>
[  289.920966][ T7422] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.920974][ T7422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.470594][ T7426] loop1: detected capacity change from 0 to 32768
[  290.480319][ T7426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.480342][ T7426] CPU: 1 UID: 0 PID: 7426 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  290.480363][ T7426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  290.480374][ T7426] Call Trace:
[  290.480382][ T7426]  <TASK>
[  290.480390][ T7426]  dump_stack_lvl+0xe8/0x150
[  290.480424][ T7426]  sysfs_create_dir_ns+0x271/0x2a0
[  290.480443][ T7426]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  290.480462][ T7426]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  290.480485][ T7426]  ? rt_spin_unlock+0x160/0x200
[  290.480506][ T7426]  kobject_add_internal+0x631/0xd10
[  290.480531][ T7426]  kobject_init_and_add+0x12b/0x1a0
[  290.480553][ T7426]  ? __pfx_kobject_init_and_add+0x10/0x10
[  290.480573][ T7426]  ? __raw_spin_lock_init+0x45/0x100
[  290.480597][ T7426]  ? __init_swait_queue_head+0xa9/0x150
[  290.480623][ T7426]  gfs2_sys_fs_add+0x257/0x480
[  290.480643][ T7426]  ? is_dynamic_key+0x1ac/0x1c0
[  290.480667][ T7426]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  290.480694][ T7426]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  290.480741][ T7426]  gfs2_fill_super+0x141c/0x2220
[  290.480779][ T7426]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.480801][ T7426]  ? rt_spin_unlock+0x14f/0x200
[  290.480825][ T7426]  ? sb_set_blocksize+0x11b/0x210
[  290.480850][ T7426]  ? setup_bdev_super+0x4c1/0x5b0
[  290.480876][ T7426]  get_tree_bdev_flags+0x431/0x4f0
[  290.480899][ T7426]  ? __pfx_gfs2_fill_super+0x10/0x10
[  290.480923][ T7426]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  290.480943][ T7426]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  290.480974][ T7426]  gfs2_get_tree+0x51/0x1e0
[  290.481001][ T7426]  vfs_get_tree+0x92/0x2a0
[  290.481022][ T7426]  do_new_mount+0x341/0xd30
[  290.481039][ T7426]  ? apparmor_capable+0x126/0x170
[  290.481068][ T7426]  ? __pfx_do_new_mount+0x10/0x10
[  290.481085][ T7426]  ? ns_capable+0x89/0xe0
[  290.481108][ T7426]  ? user_path_at+0xd4/0x160
[  290.481132][ T7426]  ? user_path_at+0xd4/0x160
[  290.481152][ T7426]  __se_sys_mount+0x31d/0x420
[  290.481172][ T7426]  ? __pfx___se_sys_mount+0x10/0x10
[  290.481194][ T7426]  ? __x64_sys_mount+0x20/0xc0
[  290.481211][ T7426]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.481229][ T7426]  do_syscall_64+0x15f/0xf80
[  290.481251][ T7426]  ? trace_irq_disable+0x3b/0x140
[  290.481273][ T7426]  ? clear_bhb_loop+0x40/0x90
[  290.481293][ T7426]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  290.481311][ T7426] RIP: 0033:0x7fd0986fb60a
[  290.481329][ T7426] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  290.481345][ T7426] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.481365][ T7426] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  290.481379][ T7426] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  290.481392][ T7426] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  290.481405][ T7426] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  290.481417][ T7426] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  290.481447][ T7426]  </TASK>
[  290.486421][ T7426] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.486440][ T7426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.073794][ T7430] loop1: detected capacity change from 0 to 32768
[  291.078914][ T7430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.078935][ T7430] CPU: 0 UID: 0 PID: 7430 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  291.078956][ T7430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  291.078967][ T7430] Call Trace:
[  291.078974][ T7430]  <TASK>
[  291.078982][ T7430]  dump_stack_lvl+0xe8/0x150
[  291.079011][ T7430]  sysfs_create_dir_ns+0x271/0x2a0
[  291.079031][ T7430]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.079054][ T7430]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.079076][ T7430]  ? rt_spin_unlock+0x160/0x200
[  291.079099][ T7430]  kobject_add_internal+0x631/0xd10
[  291.079124][ T7430]  kobject_init_and_add+0x12b/0x1a0
[  291.079147][ T7430]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.079166][ T7430]  ? __raw_spin_lock_init+0x45/0x100
[  291.079191][ T7430]  ? __init_swait_queue_head+0xa9/0x150
[  291.079217][ T7430]  gfs2_sys_fs_add+0x257/0x480
[  291.079237][ T7430]  ? is_dynamic_key+0x1ac/0x1c0
[  291.079262][ T7430]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.079291][ T7430]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.079330][ T7430]  gfs2_fill_super+0x141c/0x2220
[  291.079371][ T7430]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.079396][ T7430]  ? rt_spin_unlock+0x14f/0x200
[  291.079420][ T7430]  ? sb_set_blocksize+0x11b/0x210
[  291.079446][ T7430]  ? setup_bdev_super+0x4c1/0x5b0
[  291.079471][ T7430]  get_tree_bdev_flags+0x431/0x4f0
[  291.079494][ T7430]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.079518][ T7430]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.079539][ T7430]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.079572][ T7430]  gfs2_get_tree+0x51/0x1e0
[  291.079599][ T7430]  vfs_get_tree+0x92/0x2a0
[  291.079623][ T7430]  do_new_mount+0x341/0xd30
[  291.079646][ T7430]  ? apparmor_capable+0x126/0x170
[  291.079677][ T7430]  ? __pfx_do_new_mount+0x10/0x10
[  291.079696][ T7430]  ? ns_capable+0x89/0xe0
[  291.079720][ T7430]  ? user_path_at+0xd4/0x160
[  291.079744][ T7430]  ? user_path_at+0xd4/0x160
[  291.079765][ T7430]  __se_sys_mount+0x31d/0x420
[  291.079788][ T7430]  ? __pfx___se_sys_mount+0x10/0x10
[  291.079811][ T7430]  ? __x64_sys_mount+0x20/0xc0
[  291.079833][ T7430]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.079853][ T7430]  do_syscall_64+0x15f/0xf80
[  291.079875][ T7430]  ? trace_irq_disable+0x3b/0x140
[  291.079897][ T7430]  ? clear_bhb_loop+0x40/0x90
[  291.079918][ T7430]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.079936][ T7430] RIP: 0033:0x7fd0986fb60a
[  291.079955][ T7430] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  291.079970][ T7430] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.079990][ T7430] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  291.080004][ T7430] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  291.080018][ T7430] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  291.080030][ T7430] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  291.080043][ T7430] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  291.080081][ T7430]  </TASK>
[  291.080119][ T7430] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.080134][ T7430] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.627966][ T7434] loop1: detected capacity change from 0 to 32768
[  291.632566][ T7434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.632587][ T7434] CPU: 1 UID: 0 PID: 7434 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  291.632618][ T7434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  291.632637][ T7434] Call Trace:
[  291.632644][ T7434]  <TASK>
[  291.632652][ T7434]  dump_stack_lvl+0xe8/0x150
[  291.632682][ T7434]  sysfs_create_dir_ns+0x271/0x2a0
[  291.632701][ T7434]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  291.632724][ T7434]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  291.632746][ T7434]  ? rt_spin_unlock+0x160/0x200
[  291.632768][ T7434]  kobject_add_internal+0x631/0xd10
[  291.632795][ T7434]  kobject_init_and_add+0x12b/0x1a0
[  291.632817][ T7434]  ? __pfx_kobject_init_and_add+0x10/0x10
[  291.632836][ T7434]  ? __raw_spin_lock_init+0x45/0x100
[  291.632860][ T7434]  ? __init_swait_queue_head+0xa9/0x150
[  291.632885][ T7434]  gfs2_sys_fs_add+0x257/0x480
[  291.632904][ T7434]  ? is_dynamic_key+0x1ac/0x1c0
[  291.632929][ T7434]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  291.632956][ T7434]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  291.632995][ T7434]  gfs2_fill_super+0x141c/0x2220
[  291.633039][ T7434]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.633061][ T7434]  ? rt_spin_unlock+0x14f/0x200
[  291.633085][ T7434]  ? sb_set_blocksize+0x11b/0x210
[  291.633111][ T7434]  ? setup_bdev_super+0x4c1/0x5b0
[  291.633137][ T7434]  get_tree_bdev_flags+0x431/0x4f0
[  291.633160][ T7434]  ? __pfx_gfs2_fill_super+0x10/0x10
[  291.633184][ T7434]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  291.633205][ T7434]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  291.633236][ T7434]  gfs2_get_tree+0x51/0x1e0
[  291.633262][ T7434]  vfs_get_tree+0x92/0x2a0
[  291.633285][ T7434]  do_new_mount+0x341/0xd30
[  291.633301][ T7434]  ? apparmor_capable+0x126/0x170
[  291.633332][ T7434]  ? __pfx_do_new_mount+0x10/0x10
[  291.633350][ T7434]  ? ns_capable+0x89/0xe0
[  291.633372][ T7434]  ? user_path_at+0xd4/0x160
[  291.633396][ T7434]  ? user_path_at+0xd4/0x160
[  291.633418][ T7434]  __se_sys_mount+0x31d/0x420
[  291.633443][ T7434]  ? __pfx___se_sys_mount+0x10/0x10
[  291.633468][ T7434]  ? __x64_sys_mount+0x20/0xc0
[  291.633486][ T7434]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.633505][ T7434]  do_syscall_64+0x15f/0xf80
[  291.633527][ T7434]  ? trace_irq_disable+0x3b/0x140
[  291.633550][ T7434]  ? clear_bhb_loop+0x40/0x90
[  291.633572][ T7434]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  291.633590][ T7434] RIP: 0033:0x7fd0986fb60a
[  291.633609][ T7434] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  291.633624][ T7434] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.633652][ T7434] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  291.633666][ T7434] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  291.633677][ T7434] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  291.633690][ T7434] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  291.633702][ T7434] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  291.633730][ T7434]  </TASK>
[  291.633768][ T7434] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.633782][ T7434] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.208830][ T7438] loop1: detected capacity change from 0 to 32768
[  292.228976][ T7438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.228999][ T7438] CPU: 0 UID: 0 PID: 7438 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  292.229019][ T7438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  292.229030][ T7438] Call Trace:
[  292.229038][ T7438]  <TASK>
[  292.229046][ T7438]  dump_stack_lvl+0xe8/0x150
[  292.229074][ T7438]  sysfs_create_dir_ns+0x271/0x2a0
[  292.229093][ T7438]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  292.229116][ T7438]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.229138][ T7438]  ? rt_spin_unlock+0x160/0x200
[  292.229161][ T7438]  kobject_add_internal+0x631/0xd10
[  292.229188][ T7438]  kobject_init_and_add+0x12b/0x1a0
[  292.229212][ T7438]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.229233][ T7438]  ? __raw_spin_lock_init+0x45/0x100
[  292.229257][ T7438]  ? __init_swait_queue_head+0xa9/0x150
[  292.229302][ T7438]  gfs2_sys_fs_add+0x257/0x480
[  292.229322][ T7438]  ? is_dynamic_key+0x1ac/0x1c0
[  292.229347][ T7438]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.229373][ T7438]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.229410][ T7438]  gfs2_fill_super+0x141c/0x2220
[  292.229449][ T7438]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.229471][ T7438]  ? rt_spin_unlock+0x14f/0x200
[  292.229495][ T7438]  ? sb_set_blocksize+0x11b/0x210
[  292.229521][ T7438]  ? setup_bdev_super+0x4c1/0x5b0
[  292.229547][ T7438]  get_tree_bdev_flags+0x431/0x4f0
[  292.229578][ T7438]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.229600][ T7438]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.229621][ T7438]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.229654][ T7438]  gfs2_get_tree+0x51/0x1e0
[  292.229686][ T7438]  vfs_get_tree+0x92/0x2a0
[  292.229710][ T7438]  do_new_mount+0x341/0xd30
[  292.229726][ T7438]  ? apparmor_capable+0x126/0x170
[  292.229755][ T7438]  ? __pfx_do_new_mount+0x10/0x10
[  292.229771][ T7438]  ? ns_capable+0x89/0xe0
[  292.229796][ T7438]  ? user_path_at+0xd4/0x160
[  292.229821][ T7438]  ? user_path_at+0xd4/0x160
[  292.229844][ T7438]  __se_sys_mount+0x31d/0x420
[  292.229868][ T7438]  ? __pfx___se_sys_mount+0x10/0x10
[  292.229893][ T7438]  ? __x64_sys_mount+0x20/0xc0
[  292.229911][ T7438]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.229930][ T7438]  do_syscall_64+0x15f/0xf80
[  292.229952][ T7438]  ? trace_irq_disable+0x3b/0x140
[  292.229974][ T7438]  ? clear_bhb_loop+0x40/0x90
[  292.229996][ T7438]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.230013][ T7438] RIP: 0033:0x7fd0986fb60a
[  292.230031][ T7438] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  292.230045][ T7438] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.230069][ T7438] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  292.230082][ T7438] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  292.230095][ T7438] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  292.230107][ T7438] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  292.230119][ T7438] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  292.230146][ T7438]  </TASK>
[  292.230187][ T7438] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.230203][ T7438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.780537][ T7442] loop1: detected capacity change from 0 to 32768
[  292.793702][ T7442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.793724][ T7442] CPU: 0 UID: 0 PID: 7442 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  292.793745][ T7442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  292.793756][ T7442] Call Trace:
[  292.793764][ T7442]  <TASK>
[  292.793771][ T7442]  dump_stack_lvl+0xe8/0x150
[  292.793801][ T7442]  sysfs_create_dir_ns+0x271/0x2a0
[  292.793822][ T7442]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  292.793846][ T7442]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  292.793869][ T7442]  ? rt_spin_unlock+0x160/0x200
[  292.793892][ T7442]  kobject_add_internal+0x631/0xd10
2026/05/01 20:06:29 executed programs: 193
[  292.793928][ T7442]  kobject_init_and_add+0x12b/0x1a0
[  292.793952][ T7442]  ? __pfx_kobject_init_and_add+0x10/0x10
[  292.793973][ T7442]  ? __raw_spin_lock_init+0x45/0x100
[  292.794002][ T7442]  ? __init_swait_queue_head+0xa9/0x150
[  292.794029][ T7442]  gfs2_sys_fs_add+0x257/0x480
[  292.794050][ T7442]  ? is_dynamic_key+0x1ac/0x1c0
[  292.794075][ T7442]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  292.794107][ T7442]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  292.794147][ T7442]  gfs2_fill_super+0x141c/0x2220
[  292.794186][ T7442]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.794208][ T7442]  ? rt_spin_unlock+0x14f/0x200
[  292.794232][ T7442]  ? sb_set_blocksize+0x11b/0x210
[  292.794259][ T7442]  ? setup_bdev_super+0x4c1/0x5b0
[  292.794285][ T7442]  get_tree_bdev_flags+0x431/0x4f0
[  292.794306][ T7442]  ? __pfx_gfs2_fill_super+0x10/0x10
[  292.794330][ T7442]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  292.794351][ T7442]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  292.794384][ T7442]  gfs2_get_tree+0x51/0x1e0
[  292.794411][ T7442]  vfs_get_tree+0x92/0x2a0
[  292.794436][ T7442]  do_new_mount+0x341/0xd30
[  292.794453][ T7442]  ? apparmor_capable+0x126/0x170
[  292.794483][ T7442]  ? __pfx_do_new_mount+0x10/0x10
[  292.794501][ T7442]  ? ns_capable+0x89/0xe0
[  292.794532][ T7442]  ? user_path_at+0xd4/0x160
[  292.794554][ T7442]  ? user_path_at+0xd4/0x160
[  292.794576][ T7442]  __se_sys_mount+0x31d/0x420
[  292.794600][ T7442]  ? __pfx___se_sys_mount+0x10/0x10
[  292.794626][ T7442]  ? __x64_sys_mount+0x20/0xc0
[  292.794644][ T7442]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.794664][ T7442]  do_syscall_64+0x15f/0xf80
[  292.794688][ T7442]  ? trace_irq_disable+0x3b/0x140
[  292.794710][ T7442]  ? clear_bhb_loop+0x40/0x90
[  292.794729][ T7442]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  292.794745][ T7442] RIP: 0033:0x7fd0986fb60a
[  292.794762][ T7442] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  292.794776][ T7442] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.794794][ T7442] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  292.794807][ T7442] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  292.794818][ T7442] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  292.794830][ T7442] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  292.794842][ T7442] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  292.794870][ T7442]  </TASK>
[  292.794907][ T7442] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.794922][ T7442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.387475][ T7446] loop1: detected capacity change from 0 to 32768
[  293.398506][ T7446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.398527][ T7446] CPU: 0 UID: 0 PID: 7446 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  293.398548][ T7446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  293.398559][ T7446] Call Trace:
[  293.398567][ T7446]  <TASK>
[  293.398574][ T7446]  dump_stack_lvl+0xe8/0x150
[  293.398603][ T7446]  sysfs_create_dir_ns+0x271/0x2a0
[  293.398623][ T7446]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  293.398646][ T7446]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.398666][ T7446]  ? rt_spin_unlock+0x160/0x200
[  293.398688][ T7446]  kobject_add_internal+0x631/0xd10
[  293.398714][ T7446]  kobject_init_and_add+0x12b/0x1a0
[  293.398736][ T7446]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.398769][ T7446]  ? __raw_spin_lock_init+0x45/0x100
[  293.398792][ T7446]  ? __init_swait_queue_head+0xa9/0x150
[  293.398816][ T7446]  gfs2_sys_fs_add+0x257/0x480
[  293.398835][ T7446]  ? is_dynamic_key+0x1ac/0x1c0
[  293.398859][ T7446]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.398885][ T7446]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.398922][ T7446]  gfs2_fill_super+0x141c/0x2220
[  293.398961][ T7446]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.398983][ T7446]  ? rt_spin_unlock+0x14f/0x200
[  293.399006][ T7446]  ? sb_set_blocksize+0x11b/0x210
[  293.399032][ T7446]  ? setup_bdev_super+0x4c1/0x5b0
[  293.399061][ T7446]  get_tree_bdev_flags+0x431/0x4f0
[  293.399084][ T7446]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.399108][ T7446]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.399129][ T7446]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.399162][ T7446]  gfs2_get_tree+0x51/0x1e0
[  293.399188][ T7446]  vfs_get_tree+0x92/0x2a0
[  293.399213][ T7446]  do_new_mount+0x341/0xd30
[  293.399240][ T7446]  ? apparmor_capable+0x126/0x170
[  293.399270][ T7446]  ? __pfx_do_new_mount+0x10/0x10
[  293.399288][ T7446]  ? ns_capable+0x89/0xe0
[  293.399313][ T7446]  ? user_path_at+0xd4/0x160
[  293.399337][ T7446]  ? user_path_at+0xd4/0x160
[  293.399358][ T7446]  __se_sys_mount+0x31d/0x420
[  293.399381][ T7446]  ? __pfx___se_sys_mount+0x10/0x10
[  293.399406][ T7446]  ? __x64_sys_mount+0x20/0xc0
[  293.399424][ T7446]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.399442][ T7446]  do_syscall_64+0x15f/0xf80
[  293.399464][ T7446]  ? trace_irq_disable+0x3b/0x140
[  293.399485][ T7446]  ? clear_bhb_loop+0x40/0x90
[  293.399511][ T7446]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.399529][ T7446] RIP: 0033:0x7fd0986fb60a
[  293.399546][ T7446] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  293.399561][ T7446] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.399580][ T7446] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  293.399593][ T7446] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  293.399605][ T7446] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  293.399617][ T7446] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  293.399628][ T7446] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  293.399657][ T7446]  </TASK>
[  293.399693][ T7446] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.399708][ T7446] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.957995][ T7450] loop1: detected capacity change from 0 to 32768
[  293.989172][ T7450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.989292][ T7450] CPU: 0 UID: 0 PID: 7450 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  293.989313][ T7450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  293.989324][ T7450] Call Trace:
[  293.989331][ T7450]  <TASK>
[  293.989339][ T7450]  dump_stack_lvl+0xe8/0x150
[  293.989369][ T7450]  sysfs_create_dir_ns+0x271/0x2a0
[  293.989388][ T7450]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  293.989410][ T7450]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  293.989432][ T7450]  ? rt_spin_unlock+0x160/0x200
[  293.989453][ T7450]  kobject_add_internal+0x631/0xd10
[  293.989478][ T7450]  kobject_init_and_add+0x12b/0x1a0
[  293.989502][ T7450]  ? __pfx_kobject_init_and_add+0x10/0x10
[  293.989521][ T7450]  ? __raw_spin_lock_init+0x45/0x100
[  293.989548][ T7450]  ? __init_swait_queue_head+0xa9/0x150
[  293.989564][ T7450]  gfs2_sys_fs_add+0x257/0x480
[  293.989576][ T7450]  ? is_dynamic_key+0x1ac/0x1c0
[  293.989598][ T7450]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  293.989618][ T7450]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  293.989640][ T7450]  gfs2_fill_super+0x141c/0x2220
[  293.989663][ T7450]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.989676][ T7450]  ? rt_spin_unlock+0x14f/0x200
[  293.989689][ T7450]  ? sb_set_blocksize+0x11b/0x210
[  293.989705][ T7450]  ? setup_bdev_super+0x4c1/0x5b0
[  293.989721][ T7450]  get_tree_bdev_flags+0x431/0x4f0
[  293.989733][ T7450]  ? __pfx_gfs2_fill_super+0x10/0x10
[  293.989747][ T7450]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  293.989759][ T7450]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  293.989778][ T7450]  gfs2_get_tree+0x51/0x1e0
[  293.989794][ T7450]  vfs_get_tree+0x92/0x2a0
[  293.989815][ T7450]  do_new_mount+0x341/0xd30
[  293.989832][ T7450]  ? apparmor_capable+0x126/0x170
[  293.989852][ T7450]  ? __pfx_do_new_mount+0x10/0x10
[  293.989862][ T7450]  ? ns_capable+0x89/0xe0
[  293.989876][ T7450]  ? user_path_at+0xd4/0x160
[  293.989891][ T7450]  ? user_path_at+0xd4/0x160
[  293.989903][ T7450]  __se_sys_mount+0x31d/0x420
[  293.989917][ T7450]  ? __pfx___se_sys_mount+0x10/0x10
[  293.989930][ T7450]  ? __x64_sys_mount+0x20/0xc0
[  293.989940][ T7450]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.989951][ T7450]  do_syscall_64+0x15f/0xf80
[  293.989965][ T7450]  ? trace_irq_disable+0x3b/0x140
[  293.989979][ T7450]  ? clear_bhb_loop+0x40/0x90
[  293.989991][ T7450]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  293.990001][ T7450] RIP: 0033:0x7fd0986fb60a
[  293.990012][ T7450] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  293.990021][ T7450] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.990034][ T7450] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  293.990041][ T7450] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  293.990049][ T7450] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  293.990056][ T7450] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  293.990063][ T7450] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  293.990078][ T7450]  </TASK>
[  293.990104][ T7450] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.990112][ T7450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.547631][ T7454] loop1: detected capacity change from 0 to 32768
[  294.560746][ T7454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.560768][ T7454] CPU: 1 UID: 0 PID: 7454 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  294.560789][ T7454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  294.560799][ T7454] Call Trace:
[  294.560806][ T7454]  <TASK>
[  294.560814][ T7454]  dump_stack_lvl+0xe8/0x150
[  294.560843][ T7454]  sysfs_create_dir_ns+0x271/0x2a0
[  294.560864][ T7454]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  294.560886][ T7454]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  294.560908][ T7454]  ? rt_spin_unlock+0x160/0x200
[  294.560930][ T7454]  kobject_add_internal+0x631/0xd10
[  294.560957][ T7454]  kobject_init_and_add+0x12b/0x1a0
[  294.560980][ T7454]  ? __pfx_kobject_init_and_add+0x10/0x10
[  294.561004][ T7454]  ? __raw_spin_lock_init+0x45/0x100
[  294.561030][ T7454]  ? __init_swait_queue_head+0xa9/0x150
[  294.561056][ T7454]  gfs2_sys_fs_add+0x257/0x480
[  294.561076][ T7454]  ? is_dynamic_key+0x1ac/0x1c0
[  294.561101][ T7454]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  294.561128][ T7454]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  294.561165][ T7454]  gfs2_fill_super+0x141c/0x2220
[  294.561200][ T7454]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.561220][ T7454]  ? rt_spin_unlock+0x14f/0x200
[  294.561244][ T7454]  ? sb_set_blocksize+0x11b/0x210
[  294.561269][ T7454]  ? setup_bdev_super+0x4c1/0x5b0
[  294.561294][ T7454]  get_tree_bdev_flags+0x431/0x4f0
[  294.561317][ T7454]  ? __pfx_gfs2_fill_super+0x10/0x10
[  294.561341][ T7454]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  294.561362][ T7454]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  294.561394][ T7454]  gfs2_get_tree+0x51/0x1e0
[  294.561431][ T7454]  vfs_get_tree+0x92/0x2a0
[  294.561455][ T7454]  do_new_mount+0x341/0xd30
[  294.561473][ T7454]  ? apparmor_capable+0x126/0x170
[  294.561504][ T7454]  ? __pfx_do_new_mount+0x10/0x10
[  294.561523][ T7454]  ? ns_capable+0x89/0xe0
[  294.561547][ T7454]  ? user_path_at+0xd4/0x160
[  294.561571][ T7454]  ? user_path_at+0xd4/0x160
[  294.561593][ T7454]  __se_sys_mount+0x31d/0x420
[  294.561617][ T7454]  ? __pfx___se_sys_mount+0x10/0x10
[  294.561640][ T7454]  ? __x64_sys_mount+0x20/0xc0
[  294.561659][ T7454]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.561680][ T7454]  do_syscall_64+0x15f/0xf80
[  294.561703][ T7454]  ? trace_irq_disable+0x3b/0x140
[  294.561726][ T7454]  ? clear_bhb_loop+0x40/0x90
[  294.561746][ T7454]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  294.561764][ T7454] RIP: 0033:0x7fd0986fb60a
[  294.561782][ T7454] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  294.561797][ T7454] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.561816][ T7454] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  294.561829][ T7454] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  294.561842][ T7454] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  294.561854][ T7454] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  294.561866][ T7454] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  294.561893][ T7454]  </TASK>
[  294.563597][ T7454] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.563615][ T7454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.060818][ T7458] loop1: detected capacity change from 0 to 32768
[  295.087729][ T7458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.087752][ T7458] CPU: 0 UID: 0 PID: 7458 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  295.087772][ T7458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  295.087782][ T7458] Call Trace:
[  295.087789][ T7458]  <TASK>
[  295.087797][ T7458]  dump_stack_lvl+0xe8/0x150
[  295.087827][ T7458]  sysfs_create_dir_ns+0x271/0x2a0
[  295.087847][ T7458]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  295.087870][ T7458]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.087892][ T7458]  ? rt_spin_unlock+0x160/0x200
[  295.087915][ T7458]  kobject_add_internal+0x631/0xd10
[  295.087941][ T7458]  kobject_init_and_add+0x12b/0x1a0
[  295.087962][ T7458]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.087981][ T7458]  ? __raw_spin_lock_init+0x45/0x100
[  295.088006][ T7458]  ? __init_swait_queue_head+0xa9/0x150
[  295.088033][ T7458]  gfs2_sys_fs_add+0x257/0x480
[  295.088054][ T7458]  ? is_dynamic_key+0x1ac/0x1c0
[  295.088079][ T7458]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.088108][ T7458]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.088153][ T7458]  gfs2_fill_super+0x141c/0x2220
[  295.088192][ T7458]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.088212][ T7458]  ? rt_spin_unlock+0x14f/0x200
[  295.088235][ T7458]  ? sb_set_blocksize+0x11b/0x210
[  295.088260][ T7458]  ? setup_bdev_super+0x4c1/0x5b0
[  295.088285][ T7458]  get_tree_bdev_flags+0x431/0x4f0
[  295.088307][ T7458]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.088330][ T7458]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.088345][ T7458]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.088364][ T7458]  gfs2_get_tree+0x51/0x1e0
[  295.088379][ T7458]  vfs_get_tree+0x92/0x2a0
[  295.088395][ T7458]  do_new_mount+0x341/0xd30
[  295.088405][ T7458]  ? apparmor_capable+0x126/0x170
[  295.088424][ T7458]  ? __pfx_do_new_mount+0x10/0x10
[  295.088434][ T7458]  ? ns_capable+0x89/0xe0
[  295.088448][ T7458]  ? user_path_at+0xd4/0x160
[  295.088463][ T7458]  ? user_path_at+0xd4/0x160
[  295.088475][ T7458]  __se_sys_mount+0x31d/0x420
[  295.088488][ T7458]  ? __pfx___se_sys_mount+0x10/0x10
[  295.088502][ T7458]  ? __x64_sys_mount+0x20/0xc0
[  295.088511][ T7458]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.088522][ T7458]  do_syscall_64+0x15f/0xf80
[  295.088537][ T7458]  ? trace_irq_disable+0x3b/0x140
[  295.088551][ T7458]  ? clear_bhb_loop+0x40/0x90
[  295.088563][ T7458]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.088573][ T7458] RIP: 0033:0x7fd0986fb60a
[  295.088584][ T7458] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  295.088593][ T7458] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.088605][ T7458] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  295.088613][ T7458] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  295.088620][ T7458] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  295.088627][ T7458] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  295.088634][ T7458] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  295.088649][ T7458]  </TASK>
[  295.088666][ T7458] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.088675][ T7458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.684092][ T7462] loop1: detected capacity change from 0 to 32768
[  295.708626][ T7462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.708649][ T7462] CPU: 0 UID: 0 PID: 7462 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  295.708670][ T7462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  295.708679][ T7462] Call Trace:
[  295.708686][ T7462]  <TASK>
[  295.708694][ T7462]  dump_stack_lvl+0xe8/0x150
[  295.708723][ T7462]  sysfs_create_dir_ns+0x271/0x2a0
[  295.708743][ T7462]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  295.708766][ T7462]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  295.708789][ T7462]  ? rt_spin_unlock+0x160/0x200
[  295.708808][ T7462]  kobject_add_internal+0x631/0xd10
[  295.708823][ T7462]  kobject_init_and_add+0x12b/0x1a0
[  295.708836][ T7462]  ? __pfx_kobject_init_and_add+0x10/0x10
[  295.708847][ T7462]  ? __raw_spin_lock_init+0x45/0x100
[  295.708861][ T7462]  ? __init_swait_queue_head+0xa9/0x150
[  295.708877][ T7462]  gfs2_sys_fs_add+0x257/0x480
[  295.708889][ T7462]  ? is_dynamic_key+0x1ac/0x1c0
[  295.708903][ T7462]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  295.708919][ T7462]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  295.708941][ T7462]  gfs2_fill_super+0x141c/0x2220
[  295.708963][ T7462]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.708976][ T7462]  ? rt_spin_unlock+0x14f/0x200
[  295.708990][ T7462]  ? sb_set_blocksize+0x11b/0x210
[  295.709006][ T7462]  ? setup_bdev_super+0x4c1/0x5b0
[  295.709022][ T7462]  get_tree_bdev_flags+0x431/0x4f0
[  295.709046][ T7462]  ? __pfx_gfs2_fill_super+0x10/0x10
[  295.709060][ T7462]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  295.709072][ T7462]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  295.709091][ T7462]  gfs2_get_tree+0x51/0x1e0
[  295.709106][ T7462]  vfs_get_tree+0x92/0x2a0
[  295.709120][ T7462]  do_new_mount+0x341/0xd30
[  295.709130][ T7462]  ? apparmor_capable+0x126/0x170
[  295.709150][ T7462]  ? __pfx_do_new_mount+0x10/0x10
[  295.709160][ T7462]  ? ns_capable+0x89/0xe0
[  295.709175][ T7462]  ? user_path_at+0xd4/0x160
[  295.709189][ T7462]  ? user_path_at+0xd4/0x160
[  295.709201][ T7462]  __se_sys_mount+0x31d/0x420
[  295.709214][ T7462]  ? __pfx___se_sys_mount+0x10/0x10
[  295.709228][ T7462]  ? __x64_sys_mount+0x20/0xc0
[  295.709237][ T7462]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.709248][ T7462]  do_syscall_64+0x15f/0xf80
[  295.709262][ T7462]  ? trace_irq_disable+0x3b/0x140
[  295.709276][ T7462]  ? clear_bhb_loop+0x40/0x90
[  295.709288][ T7462]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  295.709298][ T7462] RIP: 0033:0x7fd0986fb60a
[  295.709309][ T7462] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  295.709318][ T7462] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.709330][ T7462] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  295.709338][ T7462] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  295.709345][ T7462] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  295.709352][ T7462] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  295.709359][ T7462] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  295.709374][ T7462]  </TASK>
[  295.709437][ T7462] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.709446][ T7462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.273557][ T7466] loop1: detected capacity change from 0 to 32768
[  296.276561][ T7466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.276581][ T7466] CPU: 0 UID: 0 PID: 7466 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  296.276601][ T7466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  296.276611][ T7466] Call Trace:
[  296.276618][ T7466]  <TASK>
[  296.276626][ T7466]  dump_stack_lvl+0xe8/0x150
[  296.276653][ T7466]  sysfs_create_dir_ns+0x271/0x2a0
[  296.276674][ T7466]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  296.276697][ T7466]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  296.276719][ T7466]  ? rt_spin_unlock+0x160/0x200
[  296.276740][ T7466]  kobject_add_internal+0x631/0xd10
[  296.276765][ T7466]  kobject_init_and_add+0x12b/0x1a0
[  296.276788][ T7466]  ? __pfx_kobject_init_and_add+0x10/0x10
[  296.276806][ T7466]  ? __raw_spin_lock_init+0x45/0x100
[  296.276830][ T7466]  ? __init_swait_queue_head+0xa9/0x150
[  296.276856][ T7466]  gfs2_sys_fs_add+0x257/0x480
[  296.276875][ T7466]  ? is_dynamic_key+0x1ac/0x1c0
[  296.276900][ T7466]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  296.276928][ T7466]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  296.276965][ T7466]  gfs2_fill_super+0x141c/0x2220
[  296.277004][ T7466]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.277026][ T7466]  ? rt_spin_unlock+0x14f/0x200
[  296.277058][ T7466]  ? sb_set_blocksize+0x11b/0x210
[  296.277085][ T7466]  ? setup_bdev_super+0x4c1/0x5b0
[  296.277110][ T7466]  get_tree_bdev_flags+0x431/0x4f0
[  296.277132][ T7466]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.277156][ T7466]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  296.277175][ T7466]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  296.277206][ T7466]  gfs2_get_tree+0x51/0x1e0
[  296.277233][ T7466]  vfs_get_tree+0x92/0x2a0
[  296.277258][ T7466]  do_new_mount+0x341/0xd30
[  296.277275][ T7466]  ? apparmor_capable+0x126/0x170
[  296.277305][ T7466]  ? __pfx_do_new_mount+0x10/0x10
[  296.277323][ T7466]  ? ns_capable+0x89/0xe0
[  296.277348][ T7466]  ? user_path_at+0xd4/0x160
[  296.277372][ T7466]  ? user_path_at+0xd4/0x160
[  296.277395][ T7466]  __se_sys_mount+0x31d/0x420
[  296.277419][ T7466]  ? __pfx___se_sys_mount+0x10/0x10
[  296.277442][ T7466]  ? __x64_sys_mount+0x20/0xc0
[  296.277460][ T7466]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.277480][ T7466]  do_syscall_64+0x15f/0xf80
[  296.277504][ T7466]  ? trace_irq_disable+0x3b/0x140
[  296.277527][ T7466]  ? clear_bhb_loop+0x40/0x90
[  296.277549][ T7466]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.277566][ T7466] RIP: 0033:0x7fd0986fb60a
[  296.277584][ T7466] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  296.277600][ T7466] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.277620][ T7466] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  296.277634][ T7466] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  296.277647][ T7466] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  296.277660][ T7466] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  296.277672][ T7466] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  296.277702][ T7466]  </TASK>
[  296.277744][ T7466] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.277758][ T7466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.847893][ T7470] loop1: detected capacity change from 0 to 32768
[  296.859504][ T7470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.859518][ T7470] CPU: 1 UID: 0 PID: 7470 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  296.859530][ T7470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  296.859537][ T7470] Call Trace:
[  296.859541][ T7470]  <TASK>
[  296.859546][ T7470]  dump_stack_lvl+0xe8/0x150
[  296.859565][ T7470]  sysfs_create_dir_ns+0x271/0x2a0
[  296.859577][ T7470]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  296.859590][ T7470]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  296.859602][ T7470]  ? rt_spin_unlock+0x160/0x200
[  296.859615][ T7470]  kobject_add_internal+0x631/0xd10
[  296.859630][ T7470]  kobject_init_and_add+0x12b/0x1a0
[  296.859642][ T7470]  ? __pfx_kobject_init_and_add+0x10/0x10
[  296.859653][ T7470]  ? __raw_spin_lock_init+0x45/0x100
[  296.859668][ T7470]  ? __init_swait_queue_head+0xa9/0x150
[  296.859683][ T7470]  gfs2_sys_fs_add+0x257/0x480
[  296.859694][ T7470]  ? is_dynamic_key+0x1ac/0x1c0
[  296.859709][ T7470]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  296.859724][ T7470]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  296.859753][ T7470]  gfs2_fill_super+0x141c/0x2220
[  296.859784][ T7470]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.859797][ T7470]  ? rt_spin_unlock+0x14f/0x200
[  296.859811][ T7470]  ? sb_set_blocksize+0x11b/0x210
[  296.859827][ T7470]  ? setup_bdev_super+0x4c1/0x5b0
[  296.859842][ T7470]  get_tree_bdev_flags+0x431/0x4f0
[  296.859855][ T7470]  ? __pfx_gfs2_fill_super+0x10/0x10
[  296.859869][ T7470]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  296.859881][ T7470]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  296.859899][ T7470]  gfs2_get_tree+0x51/0x1e0
[  296.859915][ T7470]  vfs_get_tree+0x92/0x2a0
[  296.859929][ T7470]  do_new_mount+0x341/0xd30
[  296.859939][ T7470]  ? apparmor_capable+0x126/0x170
[  296.859956][ T7470]  ? __pfx_do_new_mount+0x10/0x10
[  296.859966][ T7470]  ? ns_capable+0x89/0xe0
[  296.859982][ T7470]  ? user_path_at+0xd4/0x160
[  296.859997][ T7470]  ? user_path_at+0xd4/0x160
[  296.860009][ T7470]  __se_sys_mount+0x31d/0x420
[  296.860026][ T7470]  ? __pfx___se_sys_mount+0x10/0x10
[  296.860039][ T7470]  ? __x64_sys_mount+0x20/0xc0
[  296.860049][ T7470]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.860060][ T7470]  do_syscall_64+0x15f/0xf80
[  296.860074][ T7470]  ? trace_irq_disable+0x3b/0x140
[  296.860088][ T7470]  ? clear_bhb_loop+0x40/0x90
[  296.860100][ T7470]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  296.860110][ T7470] RIP: 0033:0x7fd0986fb60a
[  296.860121][ T7470] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  296.860129][ T7470] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.860142][ T7470] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  296.860149][ T7470] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  296.860156][ T7470] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  296.860163][ T7470] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  296.860170][ T7470] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  296.860185][ T7470]  </TASK>
[  296.860209][ T7470] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.860218][ T7470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.404645][ T7474] loop1: detected capacity change from 0 to 32768
[  297.407671][ T7474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.407692][ T7474] CPU: 1 UID: 0 PID: 7474 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  297.407712][ T7474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  297.407724][ T7474] Call Trace:
[  297.407731][ T7474]  <TASK>
[  297.407739][ T7474]  dump_stack_lvl+0xe8/0x150
[  297.407768][ T7474]  sysfs_create_dir_ns+0x271/0x2a0
[  297.407788][ T7474]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.407809][ T7474]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.407831][ T7474]  ? rt_spin_unlock+0x160/0x200
[  297.407853][ T7474]  kobject_add_internal+0x631/0xd10
[  297.407879][ T7474]  kobject_init_and_add+0x12b/0x1a0
[  297.407902][ T7474]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.407921][ T7474]  ? __raw_spin_lock_init+0x45/0x100
[  297.407944][ T7474]  ? __init_swait_queue_head+0xa9/0x150
[  297.407969][ T7474]  gfs2_sys_fs_add+0x257/0x480
[  297.407988][ T7474]  ? is_dynamic_key+0x1ac/0x1c0
[  297.408014][ T7474]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.408042][ T7474]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.408080][ T7474]  gfs2_fill_super+0x141c/0x2220
[  297.408119][ T7474]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.408141][ T7474]  ? rt_spin_unlock+0x14f/0x200
[  297.408165][ T7474]  ? sb_set_blocksize+0x11b/0x210
[  297.408190][ T7474]  ? setup_bdev_super+0x4c1/0x5b0
[  297.408221][ T7474]  get_tree_bdev_flags+0x431/0x4f0
[  297.408244][ T7474]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.408267][ T7474]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.408287][ T7474]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.408318][ T7474]  gfs2_get_tree+0x51/0x1e0
[  297.408345][ T7474]  vfs_get_tree+0x92/0x2a0
[  297.408370][ T7474]  do_new_mount+0x341/0xd30
[  297.408387][ T7474]  ? apparmor_capable+0x126/0x170
[  297.408418][ T7474]  ? __pfx_do_new_mount+0x10/0x10
[  297.408436][ T7474]  ? ns_capable+0x89/0xe0
[  297.408458][ T7474]  ? user_path_at+0xd4/0x160
[  297.408482][ T7474]  ? user_path_at+0xd4/0x160
[  297.408504][ T7474]  __se_sys_mount+0x31d/0x420
[  297.408528][ T7474]  ? __pfx___se_sys_mount+0x10/0x10
[  297.408553][ T7474]  ? __x64_sys_mount+0x20/0xc0
[  297.408570][ T7474]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.408590][ T7474]  do_syscall_64+0x15f/0xf80
[  297.408613][ T7474]  ? trace_irq_disable+0x3b/0x140
[  297.408636][ T7474]  ? clear_bhb_loop+0x40/0x90
[  297.408658][ T7474]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.408675][ T7474] RIP: 0033:0x7fd0986fb60a
[  297.408692][ T7474] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  297.408708][ T7474] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.408727][ T7474] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  297.408741][ T7474] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  297.408753][ T7474] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  297.408766][ T7474] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  297.408778][ T7474] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  297.408807][ T7474]  </TASK>
[  297.408834][ T7474] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.408848][ T7474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.976402][ T7478] loop1: detected capacity change from 0 to 32768
[  297.980496][ T7478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.980517][ T7478] CPU: 0 UID: 0 PID: 7478 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  297.980538][ T7478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  297.980549][ T7478] Call Trace:
[  297.980556][ T7478]  <TASK>
[  297.980565][ T7478]  dump_stack_lvl+0xe8/0x150
[  297.980622][ T7478]  sysfs_create_dir_ns+0x271/0x2a0
[  297.980642][ T7478]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  297.980665][ T7478]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  297.980687][ T7478]  ? rt_spin_unlock+0x160/0x200
[  297.980709][ T7478]  kobject_add_internal+0x631/0xd10
[  297.980736][ T7478]  kobject_init_and_add+0x12b/0x1a0
[  297.980761][ T7478]  ? __pfx_kobject_init_and_add+0x10/0x10
[  297.980780][ T7478]  ? __raw_spin_lock_init+0x45/0x100
[  297.980810][ T7478]  ? __init_swait_queue_head+0xa9/0x150
[  297.980837][ T7478]  gfs2_sys_fs_add+0x257/0x480
[  297.980857][ T7478]  ? is_dynamic_key+0x1ac/0x1c0
[  297.980882][ T7478]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  297.980915][ T7478]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  297.980954][ T7478]  gfs2_fill_super+0x141c/0x2220
[  297.980994][ T7478]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.981015][ T7478]  ? rt_spin_unlock+0x14f/0x200
[  297.981040][ T7478]  ? sb_set_blocksize+0x11b/0x210
[  297.981066][ T7478]  ? setup_bdev_super+0x4c1/0x5b0
[  297.981100][ T7478]  get_tree_bdev_flags+0x431/0x4f0
[  297.981120][ T7478]  ? __pfx_gfs2_fill_super+0x10/0x10
[  297.981145][ T7478]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  297.981171][ T7478]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  297.981208][ T7478]  gfs2_get_tree+0x51/0x1e0
[  297.981239][ T7478]  vfs_get_tree+0x92/0x2a0
[  297.981262][ T7478]  do_new_mount+0x341/0xd30
[  297.981282][ T7478]  ? apparmor_capable+0x126/0x170
[  297.981312][ T7478]  ? __pfx_do_new_mount+0x10/0x10
[  297.981328][ T7478]  ? ns_capable+0x89/0xe0
[  297.981350][ T7478]  ? user_path_at+0xd4/0x160
[  297.981373][ T7478]  ? user_path_at+0xd4/0x160
[  297.981393][ T7478]  __se_sys_mount+0x31d/0x420
[  297.981412][ T7478]  ? __pfx___se_sys_mount+0x10/0x10
[  297.981431][ T7478]  ? __x64_sys_mount+0x20/0xc0
[  297.981445][ T7478]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.981465][ T7478]  do_syscall_64+0x15f/0xf80
[  297.981488][ T7478]  ? trace_irq_disable+0x3b/0x140
[  297.981511][ T7478]  ? clear_bhb_loop+0x40/0x90
[  297.981532][ T7478]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  297.981548][ T7478] RIP: 0033:0x7fd0986fb60a
[  297.981569][ T7478] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  297.981582][ T7478] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.981599][ T7478] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  297.981611][ T7478] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
2026/05/01 20:06:34 executed programs: 202
[  297.981622][ T7478] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  297.981635][ T7478] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  297.981647][ T7478] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  297.981676][ T7478]  </TASK>
[  297.981854][ T7478] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.981870][ T7478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.561120][ T7482] loop1: detected capacity change from 0 to 32768
[  298.570466][ T7482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.570486][ T7482] CPU: 0 UID: 0 PID: 7482 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  298.570507][ T7482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  298.570518][ T7482] Call Trace:
[  298.570525][ T7482]  <TASK>
[  298.570532][ T7482]  dump_stack_lvl+0xe8/0x150
[  298.570559][ T7482]  sysfs_create_dir_ns+0x271/0x2a0
[  298.570577][ T7482]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  298.570599][ T7482]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  298.570619][ T7482]  ? rt_spin_unlock+0x160/0x200
[  298.570640][ T7482]  kobject_add_internal+0x631/0xd10
[  298.570664][ T7482]  kobject_init_and_add+0x12b/0x1a0
[  298.570688][ T7482]  ? __pfx_kobject_init_and_add+0x10/0x10
[  298.570706][ T7482]  ? __raw_spin_lock_init+0x45/0x100
[  298.570729][ T7482]  ? __init_swait_queue_head+0xa9/0x150
[  298.570751][ T7482]  gfs2_sys_fs_add+0x257/0x480
[  298.570768][ T7482]  ? is_dynamic_key+0x1ac/0x1c0
[  298.570792][ T7482]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  298.570819][ T7482]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  298.570855][ T7482]  gfs2_fill_super+0x141c/0x2220
[  298.570891][ T7482]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.570912][ T7482]  ? rt_spin_unlock+0x14f/0x200
[  298.570934][ T7482]  ? sb_set_blocksize+0x11b/0x210
[  298.570960][ T7482]  ? setup_bdev_super+0x4c1/0x5b0
[  298.570984][ T7482]  get_tree_bdev_flags+0x431/0x4f0
[  298.571006][ T7482]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.571028][ T7482]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  298.571046][ T7482]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  298.571078][ T7482]  gfs2_get_tree+0x51/0x1e0
[  298.571113][ T7482]  vfs_get_tree+0x92/0x2a0
[  298.571139][ T7482]  do_new_mount+0x341/0xd30
[  298.571154][ T7482]  ? apparmor_capable+0x126/0x170
[  298.571181][ T7482]  ? __pfx_do_new_mount+0x10/0x10
[  298.571198][ T7482]  ? ns_capable+0x89/0xe0
[  298.571216][ T7482]  ? user_path_at+0xd4/0x160
[  298.571233][ T7482]  ? user_path_at+0xd4/0x160
[  298.571250][ T7482]  __se_sys_mount+0x31d/0x420
[  298.571270][ T7482]  ? __pfx___se_sys_mount+0x10/0x10
[  298.571289][ T7482]  ? __x64_sys_mount+0x20/0xc0
[  298.571302][ T7482]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.571317][ T7482]  do_syscall_64+0x15f/0xf80
[  298.571336][ T7482]  ? trace_irq_disable+0x3b/0x140
[  298.571355][ T7482]  ? clear_bhb_loop+0x40/0x90
[  298.571372][ T7482]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.571385][ T7482] RIP: 0033:0x7fd0986fb60a
[  298.571399][ T7482] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  298.571411][ T7482] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.571428][ T7482] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  298.571438][ T7482] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  298.571447][ T7482] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  298.571456][ T7482] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  298.571465][ T7482] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  298.571488][ T7482]  </TASK>
[  298.572975][ T7482] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.572992][ T7482] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.120690][ T7486] loop1: detected capacity change from 0 to 32768
[  299.133564][ T7486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.133587][ T7486] CPU: 1 UID: 0 PID: 7486 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  299.133607][ T7486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  299.133617][ T7486] Call Trace:
[  299.133625][ T7486]  <TASK>
[  299.133633][ T7486]  dump_stack_lvl+0xe8/0x150
[  299.133673][ T7486]  sysfs_create_dir_ns+0x271/0x2a0
[  299.133694][ T7486]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.133717][ T7486]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.133739][ T7486]  ? rt_spin_unlock+0x160/0x200
[  299.133761][ T7486]  kobject_add_internal+0x631/0xd10
[  299.133786][ T7486]  kobject_init_and_add+0x12b/0x1a0
[  299.133810][ T7486]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.133828][ T7486]  ? __raw_spin_lock_init+0x45/0x100
[  299.133852][ T7486]  ? __init_swait_queue_head+0xa9/0x150
[  299.133879][ T7486]  gfs2_sys_fs_add+0x257/0x480
[  299.133899][ T7486]  ? is_dynamic_key+0x1ac/0x1c0
[  299.133923][ T7486]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.133951][ T7486]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.133990][ T7486]  gfs2_fill_super+0x141c/0x2220
[  299.134029][ T7486]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.134050][ T7486]  ? rt_spin_unlock+0x14f/0x200
[  299.134087][ T7486]  ? sb_set_blocksize+0x11b/0x210
[  299.134112][ T7486]  ? setup_bdev_super+0x4c1/0x5b0
[  299.134138][ T7486]  get_tree_bdev_flags+0x431/0x4f0
[  299.134160][ T7486]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.134183][ T7486]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.134204][ T7486]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.134234][ T7486]  gfs2_get_tree+0x51/0x1e0
[  299.134269][ T7486]  vfs_get_tree+0x92/0x2a0
[  299.134294][ T7486]  do_new_mount+0x341/0xd30
[  299.134311][ T7486]  ? apparmor_capable+0x126/0x170
[  299.134343][ T7486]  ? __pfx_do_new_mount+0x10/0x10
[  299.134360][ T7486]  ? ns_capable+0x89/0xe0
[  299.134385][ T7486]  ? user_path_at+0xd4/0x160
[  299.134409][ T7486]  ? user_path_at+0xd4/0x160
[  299.134431][ T7486]  __se_sys_mount+0x31d/0x420
[  299.134455][ T7486]  ? __pfx___se_sys_mount+0x10/0x10
[  299.134479][ T7486]  ? __x64_sys_mount+0x20/0xc0
[  299.134496][ T7486]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.134516][ T7486]  do_syscall_64+0x15f/0xf80
[  299.134539][ T7486]  ? trace_irq_disable+0x3b/0x140
[  299.134563][ T7486]  ? clear_bhb_loop+0x40/0x90
[  299.134584][ T7486]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.134601][ T7486] RIP: 0033:0x7fd0986fb60a
[  299.134619][ T7486] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  299.134634][ T7486] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.134655][ T7486] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  299.134669][ T7486] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  299.134682][ T7486] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  299.134695][ T7486] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  299.134707][ T7486] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  299.134737][ T7486]  </TASK>
[  299.134763][ T7486] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.134800][ T7486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.696151][ T7490] loop1: detected capacity change from 0 to 32768
[  299.713644][ T7490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.713666][ T7490] CPU: 1 UID: 0 PID: 7490 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  299.713685][ T7490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  299.713696][ T7490] Call Trace:
[  299.713703][ T7490]  <TASK>
[  299.713711][ T7490]  dump_stack_lvl+0xe8/0x150
[  299.713740][ T7490]  sysfs_create_dir_ns+0x271/0x2a0
[  299.713766][ T7490]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  299.713790][ T7490]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.713813][ T7490]  ? rt_spin_unlock+0x160/0x200
[  299.713836][ T7490]  kobject_add_internal+0x631/0xd10
[  299.713861][ T7490]  kobject_init_and_add+0x12b/0x1a0
[  299.713885][ T7490]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.713904][ T7490]  ? __raw_spin_lock_init+0x45/0x100
[  299.713929][ T7490]  ? __init_swait_queue_head+0xa9/0x150
[  299.713955][ T7490]  gfs2_sys_fs_add+0x257/0x480
[  299.713975][ T7490]  ? is_dynamic_key+0x1ac/0x1c0
[  299.714000][ T7490]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.714028][ T7490]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.714066][ T7490]  gfs2_fill_super+0x141c/0x2220
[  299.714105][ T7490]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.714127][ T7490]  ? rt_spin_unlock+0x14f/0x200
[  299.714152][ T7490]  ? sb_set_blocksize+0x11b/0x210
[  299.714179][ T7490]  ? setup_bdev_super+0x4c1/0x5b0
[  299.714205][ T7490]  get_tree_bdev_flags+0x431/0x4f0
[  299.714227][ T7490]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.714250][ T7490]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.714270][ T7490]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.714300][ T7490]  gfs2_get_tree+0x51/0x1e0
[  299.714326][ T7490]  vfs_get_tree+0x92/0x2a0
[  299.714349][ T7490]  do_new_mount+0x341/0xd30
[  299.714365][ T7490]  ? apparmor_capable+0x126/0x170
[  299.714394][ T7490]  ? __pfx_do_new_mount+0x10/0x10
[  299.714411][ T7490]  ? ns_capable+0x89/0xe0
[  299.714436][ T7490]  ? user_path_at+0xd4/0x160
[  299.714460][ T7490]  ? user_path_at+0xd4/0x160
[  299.714481][ T7490]  __se_sys_mount+0x31d/0x420
[  299.714505][ T7490]  ? __pfx___se_sys_mount+0x10/0x10
[  299.714530][ T7490]  ? __x64_sys_mount+0x20/0xc0
[  299.714547][ T7490]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.714567][ T7490]  do_syscall_64+0x15f/0xf80
[  299.714589][ T7490]  ? trace_irq_disable+0x3b/0x140
[  299.714613][ T7490]  ? clear_bhb_loop+0x40/0x90
[  299.714635][ T7490]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.714652][ T7490] RIP: 0033:0x7fd0986fb60a
[  299.714680][ T7490] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  299.714695][ T7490] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.714714][ T7490] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  299.714728][ T7490] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  299.714740][ T7490] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  299.714753][ T7490] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  299.714772][ T7490] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  299.714802][ T7490]  </TASK>
[  299.714831][ T7490] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.714845][ T7490] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.283439][ T7494] loop1: detected capacity change from 0 to 32768
[  300.288663][ T7494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.288683][ T7494] CPU: 0 UID: 0 PID: 7494 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  300.288703][ T7494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  300.288733][ T7494] Call Trace:
[  300.288741][ T7494]  <TASK>
[  300.288757][ T7494]  dump_stack_lvl+0xe8/0x150
[  300.288785][ T7494]  sysfs_create_dir_ns+0x271/0x2a0
[  300.288804][ T7494]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  300.288826][ T7494]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.288848][ T7494]  ? rt_spin_unlock+0x160/0x200
[  300.288871][ T7494]  kobject_add_internal+0x631/0xd10
[  300.288896][ T7494]  kobject_init_and_add+0x12b/0x1a0
[  300.288920][ T7494]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.288940][ T7494]  ? __raw_spin_lock_init+0x45/0x100
[  300.288965][ T7494]  ? __init_swait_queue_head+0xa9/0x150
[  300.288990][ T7494]  gfs2_sys_fs_add+0x257/0x480
[  300.289009][ T7494]  ? is_dynamic_key+0x1ac/0x1c0
[  300.289034][ T7494]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.289062][ T7494]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.289100][ T7494]  gfs2_fill_super+0x141c/0x2220
[  300.289139][ T7494]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.289161][ T7494]  ? rt_spin_unlock+0x14f/0x200
[  300.289185][ T7494]  ? sb_set_blocksize+0x11b/0x210
[  300.289212][ T7494]  ? setup_bdev_super+0x4c1/0x5b0
[  300.289238][ T7494]  get_tree_bdev_flags+0x431/0x4f0
[  300.289260][ T7494]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.289283][ T7494]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.289304][ T7494]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.289337][ T7494]  gfs2_get_tree+0x51/0x1e0
[  300.289364][ T7494]  vfs_get_tree+0x92/0x2a0
[  300.289388][ T7494]  do_new_mount+0x341/0xd30
[  300.289405][ T7494]  ? apparmor_capable+0x126/0x170
[  300.289434][ T7494]  ? __pfx_do_new_mount+0x10/0x10
[  300.289449][ T7494]  ? ns_capable+0x89/0xe0
[  300.289470][ T7494]  ? user_path_at+0xd4/0x160
[  300.289491][ T7494]  ? user_path_at+0xd4/0x160
[  300.289512][ T7494]  __se_sys_mount+0x31d/0x420
[  300.289534][ T7494]  ? __pfx___se_sys_mount+0x10/0x10
[  300.289557][ T7494]  ? __x64_sys_mount+0x20/0xc0
[  300.289575][ T7494]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.289595][ T7494]  do_syscall_64+0x15f/0xf80
[  300.289615][ T7494]  ? trace_irq_disable+0x3b/0x140
[  300.289637][ T7494]  ? clear_bhb_loop+0x40/0x90
[  300.289657][ T7494]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.289673][ T7494] RIP: 0033:0x7fd0986fb60a
[  300.289689][ T7494] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  300.289702][ T7494] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.289722][ T7494] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  300.289735][ T7494] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  300.289747][ T7494] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  300.289766][ T7494] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  300.289776][ T7494] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  300.289800][ T7494]  </TASK>
[  300.289825][ T7494] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.289839][ T7494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.842648][ T7498] loop1: detected capacity change from 0 to 32768
[  300.849289][ T7498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.849309][ T7498] CPU: 1 UID: 0 PID: 7498 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  300.849330][ T7498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  300.849342][ T7498] Call Trace:
[  300.849349][ T7498]  <TASK>
[  300.849358][ T7498]  dump_stack_lvl+0xe8/0x150
[  300.849386][ T7498]  sysfs_create_dir_ns+0x271/0x2a0
[  300.849406][ T7498]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  300.849429][ T7498]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.849451][ T7498]  ? rt_spin_unlock+0x160/0x200
[  300.849474][ T7498]  kobject_add_internal+0x631/0xd10
[  300.849500][ T7498]  kobject_init_and_add+0x12b/0x1a0
[  300.849524][ T7498]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.849543][ T7498]  ? __raw_spin_lock_init+0x45/0x100
[  300.849568][ T7498]  ? __init_swait_queue_head+0xa9/0x150
[  300.849594][ T7498]  gfs2_sys_fs_add+0x257/0x480
[  300.849613][ T7498]  ? is_dynamic_key+0x1ac/0x1c0
[  300.849636][ T7498]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.849665][ T7498]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.849712][ T7498]  gfs2_fill_super+0x141c/0x2220
[  300.849750][ T7498]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.849770][ T7498]  ? rt_spin_unlock+0x14f/0x200
[  300.849795][ T7498]  ? sb_set_blocksize+0x11b/0x210
[  300.849822][ T7498]  ? setup_bdev_super+0x4c1/0x5b0
[  300.849848][ T7498]  get_tree_bdev_flags+0x431/0x4f0
[  300.849870][ T7498]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.849894][ T7498]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.849915][ T7498]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.849947][ T7498]  gfs2_get_tree+0x51/0x1e0
[  300.849974][ T7498]  vfs_get_tree+0x92/0x2a0
[  300.849998][ T7498]  do_new_mount+0x341/0xd30
[  300.850015][ T7498]  ? apparmor_capable+0x126/0x170
[  300.850047][ T7498]  ? __pfx_do_new_mount+0x10/0x10
[  300.850065][ T7498]  ? ns_capable+0x89/0xe0
[  300.850088][ T7498]  ? user_path_at+0xd4/0x160
[  300.850112][ T7498]  ? user_path_at+0xd4/0x160
[  300.850134][ T7498]  __se_sys_mount+0x31d/0x420
[  300.850159][ T7498]  ? __pfx___se_sys_mount+0x10/0x10
[  300.850183][ T7498]  ? __x64_sys_mount+0x20/0xc0
[  300.850200][ T7498]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.850220][ T7498]  do_syscall_64+0x15f/0xf80
[  300.850242][ T7498]  ? trace_irq_disable+0x3b/0x140
[  300.850264][ T7498]  ? clear_bhb_loop+0x40/0x90
[  300.850286][ T7498]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.850302][ T7498] RIP: 0033:0x7fd0986fb60a
[  300.850320][ T7498] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  300.850336][ T7498] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.850356][ T7498] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  300.850369][ T7498] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  300.850382][ T7498] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  300.850395][ T7498] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  300.850407][ T7498] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  300.850435][ T7498]  </TASK>
[  300.850460][ T7498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.850475][ T7498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.430412][ T7502] loop1: detected capacity change from 0 to 32768
[  301.440578][ T7502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.440600][ T7502] CPU: 1 UID: 0 PID: 7502 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  301.440621][ T7502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  301.440632][ T7502] Call Trace:
[  301.440640][ T7502]  <TASK>
[  301.440648][ T7502]  dump_stack_lvl+0xe8/0x150
[  301.440681][ T7502]  sysfs_create_dir_ns+0x271/0x2a0
[  301.440701][ T7502]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.440731][ T7502]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.440753][ T7502]  ? rt_spin_unlock+0x160/0x200
[  301.440775][ T7502]  kobject_add_internal+0x631/0xd10
[  301.440800][ T7502]  kobject_init_and_add+0x12b/0x1a0
[  301.440823][ T7502]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.440841][ T7502]  ? __raw_spin_lock_init+0x45/0x100
[  301.440866][ T7502]  ? __init_swait_queue_head+0xa9/0x150
[  301.440891][ T7502]  gfs2_sys_fs_add+0x257/0x480
[  301.440910][ T7502]  ? is_dynamic_key+0x1ac/0x1c0
[  301.440935][ T7502]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.440962][ T7502]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.441001][ T7502]  gfs2_fill_super+0x141c/0x2220
[  301.441039][ T7502]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.441060][ T7502]  ? rt_spin_unlock+0x14f/0x200
[  301.441084][ T7502]  ? sb_set_blocksize+0x11b/0x210
[  301.441110][ T7502]  ? setup_bdev_super+0x4c1/0x5b0
[  301.441136][ T7502]  get_tree_bdev_flags+0x431/0x4f0
[  301.441155][ T7502]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.441177][ T7502]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.441195][ T7502]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.441226][ T7502]  gfs2_get_tree+0x51/0x1e0
[  301.441251][ T7502]  vfs_get_tree+0x92/0x2a0
[  301.441276][ T7502]  do_new_mount+0x341/0xd30
[  301.441293][ T7502]  ? apparmor_capable+0x126/0x170
[  301.441323][ T7502]  ? __pfx_do_new_mount+0x10/0x10
[  301.441342][ T7502]  ? ns_capable+0x89/0xe0
[  301.441367][ T7502]  ? user_path_at+0xd4/0x160
[  301.441391][ T7502]  ? user_path_at+0xd4/0x160
[  301.441414][ T7502]  __se_sys_mount+0x31d/0x420
[  301.441438][ T7502]  ? __pfx___se_sys_mount+0x10/0x10
[  301.441463][ T7502]  ? __x64_sys_mount+0x20/0xc0
[  301.441481][ T7502]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.441501][ T7502]  do_syscall_64+0x15f/0xf80
[  301.441524][ T7502]  ? trace_irq_disable+0x3b/0x140
[  301.441546][ T7502]  ? clear_bhb_loop+0x40/0x90
[  301.441568][ T7502]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.441586][ T7502] RIP: 0033:0x7fd0986fb60a
[  301.441604][ T7502] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  301.441618][ T7502] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.441637][ T7502] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  301.441651][ T7502] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  301.441663][ T7502] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  301.441674][ T7502] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  301.441686][ T7502] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  301.441721][ T7502]  </TASK>
[  301.442816][ T7502] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.442834][ T7502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.990268][ T7506] loop1: detected capacity change from 0 to 32768
[  301.999724][ T7506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.999746][ T7506] CPU: 0 UID: 0 PID: 7506 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  301.999766][ T7506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  301.999788][ T7506] Call Trace:
[  301.999795][ T7506]  <TASK>
[  301.999804][ T7506]  dump_stack_lvl+0xe8/0x150
[  301.999833][ T7506]  sysfs_create_dir_ns+0x271/0x2a0
[  301.999852][ T7506]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  301.999875][ T7506]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.999897][ T7506]  ? rt_spin_unlock+0x160/0x200
[  301.999921][ T7506]  kobject_add_internal+0x631/0xd10
[  301.999947][ T7506]  kobject_init_and_add+0x12b/0x1a0
[  301.999971][ T7506]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.999991][ T7506]  ? __raw_spin_lock_init+0x45/0x100
[  302.000014][ T7506]  ? __init_swait_queue_head+0xa9/0x150
[  302.000041][ T7506]  gfs2_sys_fs_add+0x257/0x480
[  302.000060][ T7506]  ? is_dynamic_key+0x1ac/0x1c0
[  302.000085][ T7506]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.000112][ T7506]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.000156][ T7506]  gfs2_fill_super+0x141c/0x2220
[  302.000196][ T7506]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.000218][ T7506]  ? rt_spin_unlock+0x14f/0x200
[  302.000241][ T7506]  ? sb_set_blocksize+0x11b/0x210
[  302.000269][ T7506]  ? setup_bdev_super+0x4c1/0x5b0
[  302.000296][ T7506]  get_tree_bdev_flags+0x431/0x4f0
[  302.000319][ T7506]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.000342][ T7506]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.000363][ T7506]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.000395][ T7506]  gfs2_get_tree+0x51/0x1e0
[  302.000423][ T7506]  vfs_get_tree+0x92/0x2a0
[  302.000448][ T7506]  do_new_mount+0x341/0xd30
[  302.000465][ T7506]  ? apparmor_capable+0x126/0x170
[  302.000496][ T7506]  ? __pfx_do_new_mount+0x10/0x10
[  302.000514][ T7506]  ? ns_capable+0x89/0xe0
[  302.000538][ T7506]  ? user_path_at+0xd4/0x160
[  302.000562][ T7506]  ? user_path_at+0xd4/0x160
[  302.000583][ T7506]  __se_sys_mount+0x31d/0x420
[  302.000608][ T7506]  ? __pfx___se_sys_mount+0x10/0x10
[  302.000639][ T7506]  ? __x64_sys_mount+0x20/0xc0
[  302.000657][ T7506]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.000677][ T7506]  do_syscall_64+0x15f/0xf80
[  302.000700][ T7506]  ? trace_irq_disable+0x3b/0x140
[  302.000723][ T7506]  ? clear_bhb_loop+0x40/0x90
[  302.000745][ T7506]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.000763][ T7506] RIP: 0033:0x7fd0986fb60a
[  302.000781][ T7506] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  302.000796][ T7506] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.000817][ T7506] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  302.000831][ T7506] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  302.000844][ T7506] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  302.000857][ T7506] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  302.000869][ T7506] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  302.000899][ T7506]  </TASK>
[  302.008566][ T7506] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.008602][ T7506] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.582572][ T7510] loop1: detected capacity change from 0 to 32768
[  302.595701][ T7510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.595724][ T7510] CPU: 1 UID: 0 PID: 7510 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  302.595744][ T7510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  302.595755][ T7510] Call Trace:
[  302.595762][ T7510]  <TASK>
[  302.595769][ T7510]  dump_stack_lvl+0xe8/0x150
[  302.595797][ T7510]  sysfs_create_dir_ns+0x271/0x2a0
[  302.595817][ T7510]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  302.595839][ T7510]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.595861][ T7510]  ? rt_spin_unlock+0x160/0x200
[  302.595888][ T7510]  kobject_add_internal+0x631/0xd10
[  302.595914][ T7510]  kobject_init_and_add+0x12b/0x1a0
[  302.595937][ T7510]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.595956][ T7510]  ? __raw_spin_lock_init+0x45/0x100
[  302.595979][ T7510]  ? __init_swait_queue_head+0xa9/0x150
[  302.596005][ T7510]  gfs2_sys_fs_add+0x257/0x480
[  302.596024][ T7510]  ? is_dynamic_key+0x1ac/0x1c0
[  302.596049][ T7510]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.596076][ T7510]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.596112][ T7510]  gfs2_fill_super+0x141c/0x2220
[  302.596150][ T7510]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.596172][ T7510]  ? rt_spin_unlock+0x14f/0x200
[  302.596194][ T7510]  ? sb_set_blocksize+0x11b/0x210
[  302.596219][ T7510]  ? setup_bdev_super+0x4c1/0x5b0
[  302.596244][ T7510]  get_tree_bdev_flags+0x431/0x4f0
[  302.596267][ T7510]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.596289][ T7510]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.596309][ T7510]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.596340][ T7510]  gfs2_get_tree+0x51/0x1e0
[  302.596366][ T7510]  vfs_get_tree+0x92/0x2a0
[  302.596390][ T7510]  do_new_mount+0x341/0xd30
[  302.596405][ T7510]  ? apparmor_capable+0x126/0x170
[  302.596434][ T7510]  ? __pfx_do_new_mount+0x10/0x10
[  302.596452][ T7510]  ? ns_capable+0x89/0xe0
[  302.596476][ T7510]  ? user_path_at+0xd4/0x160
[  302.596498][ T7510]  ? user_path_at+0xd4/0x160
[  302.596519][ T7510]  __se_sys_mount+0x31d/0x420
[  302.596543][ T7510]  ? __pfx___se_sys_mount+0x10/0x10
[  302.596566][ T7510]  ? __x64_sys_mount+0x20/0xc0
[  302.596584][ T7510]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.596603][ T7510]  do_syscall_64+0x15f/0xf80
[  302.596625][ T7510]  ? trace_irq_disable+0x3b/0x140
[  302.596646][ T7510]  ? clear_bhb_loop+0x40/0x90
[  302.596667][ T7510]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.596684][ T7510] RIP: 0033:0x7fd0986fb60a
[  302.596702][ T7510] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  302.596717][ T7510] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.596737][ T7510] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  302.596750][ T7510] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  302.596762][ T7510] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  302.596774][ T7510] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  302.596786][ T7510] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  302.596814][ T7510]  </TASK>
[  302.596838][ T7510] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.596852][ T7510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.133166][ T7515] loop1: detected capacity change from 0 to 32768
[  303.136361][ T7515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.136375][ T7515] CPU: 1 UID: 0 PID: 7515 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  303.136387][ T7515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  303.136394][ T7515] Call Trace:
[  303.136399][ T7515]  <TASK>
[  303.136404][ T7515]  dump_stack_lvl+0xe8/0x150
[  303.136422][ T7515]  sysfs_create_dir_ns+0x271/0x2a0
[  303.136434][ T7515]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  303.136448][ T7515]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.136460][ T7515]  ? rt_spin_unlock+0x160/0x200
[  303.136473][ T7515]  kobject_add_internal+0x631/0xd10
[  303.136488][ T7515]  kobject_init_and_add+0x12b/0x1a0
[  303.136503][ T7515]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.136514][ T7515]  ? __raw_spin_lock_init+0x45/0x100
[  303.136528][ T7515]  ? __init_swait_queue_head+0xa9/0x150
[  303.136550][ T7515]  gfs2_sys_fs_add+0x257/0x480
[  303.136567][ T7515]  ? is_dynamic_key+0x1ac/0x1c0
[  303.136589][ T7515]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.136608][ T7515]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.136630][ T7515]  gfs2_fill_super+0x141c/0x2220
[  303.136654][ T7515]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.136666][ T7515]  ? rt_spin_unlock+0x14f/0x200
[  303.136680][ T7515]  ? sb_set_blocksize+0x11b/0x210
[  303.136696][ T7515]  ? setup_bdev_super+0x4c1/0x5b0
2026/05/01 20:06:39 executed programs: 211
[  303.136712][ T7515]  get_tree_bdev_flags+0x431/0x4f0
[  303.136725][ T7515]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.136739][ T7515]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.136751][ T7515]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.136769][ T7515]  gfs2_get_tree+0x51/0x1e0
[  303.136797][ T7515]  vfs_get_tree+0x92/0x2a0
[  303.136811][ T7515]  do_new_mount+0x341/0xd30
[  303.136822][ T7515]  ? apparmor_capable+0x126/0x170
[  303.136840][ T7515]  ? __pfx_do_new_mount+0x10/0x10
[  303.136856][ T7515]  ? ns_capable+0x89/0xe0
[  303.136880][ T7515]  ? user_path_at+0xd4/0x160
[  303.136896][ T7515]  ? user_path_at+0xd4/0x160
[  303.136909][ T7515]  __se_sys_mount+0x31d/0x420
[  303.136922][ T7515]  ? __pfx___se_sys_mount+0x10/0x10
[  303.136936][ T7515]  ? __x64_sys_mount+0x20/0xc0
[  303.136948][ T7515]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.136965][ T7515]  do_syscall_64+0x15f/0xf80
[  303.136979][ T7515]  ? trace_irq_disable+0x3b/0x140
[  303.136993][ T7515]  ? clear_bhb_loop+0x40/0x90
[  303.137006][ T7515]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.137016][ T7515] RIP: 0033:0x7fd0986fb60a
[  303.137027][ T7515] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  303.137040][ T7515] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.137052][ T7515] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  303.137061][ T7515] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  303.137069][ T7515] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  303.137077][ T7515] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  303.137084][ T7515] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  303.137099][ T7515]  </TASK>
[  303.137126][ T7515] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.137134][ T7515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.736777][ T7519] loop1: detected capacity change from 0 to 32768
[  303.759906][ T7519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.759921][ T7519] CPU: 1 UID: 0 PID: 7519 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  303.759934][ T7519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  303.759941][ T7519] Call Trace:
[  303.759945][ T7519]  <TASK>
[  303.759951][ T7519]  dump_stack_lvl+0xe8/0x150
[  303.759970][ T7519]  sysfs_create_dir_ns+0x271/0x2a0
[  303.759982][ T7519]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  303.759996][ T7519]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.760008][ T7519]  ? rt_spin_unlock+0x160/0x200
[  303.760021][ T7519]  kobject_add_internal+0x631/0xd10
[  303.760036][ T7519]  kobject_init_and_add+0x12b/0x1a0
[  303.760048][ T7519]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.760059][ T7519]  ? __raw_spin_lock_init+0x45/0x100
[  303.760074][ T7519]  ? __init_swait_queue_head+0xa9/0x150
[  303.760089][ T7519]  gfs2_sys_fs_add+0x257/0x480
[  303.760101][ T7519]  ? is_dynamic_key+0x1ac/0x1c0
[  303.760115][ T7519]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.760131][ T7519]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.760153][ T7519]  gfs2_fill_super+0x141c/0x2220
[  303.760176][ T7519]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.760188][ T7519]  ? rt_spin_unlock+0x14f/0x200
[  303.760202][ T7519]  ? sb_set_blocksize+0x11b/0x210
[  303.760218][ T7519]  ? setup_bdev_super+0x4c1/0x5b0
[  303.760234][ T7519]  get_tree_bdev_flags+0x431/0x4f0
[  303.760247][ T7519]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.760261][ T7519]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.760273][ T7519]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  303.760291][ T7519]  gfs2_get_tree+0x51/0x1e0
[  303.760307][ T7519]  vfs_get_tree+0x92/0x2a0
[  303.760321][ T7519]  do_new_mount+0x341/0xd30
[  303.760331][ T7519]  ? apparmor_capable+0x126/0x170
[  303.760348][ T7519]  ? __pfx_do_new_mount+0x10/0x10
[  303.760358][ T7519]  ? ns_capable+0x89/0xe0
[  303.760372][ T7519]  ? user_path_at+0xd4/0x160
[  303.760385][ T7519]  ? user_path_at+0xd4/0x160
[  303.760398][ T7519]  __se_sys_mount+0x31d/0x420
[  303.760412][ T7519]  ? __pfx___se_sys_mount+0x10/0x10
[  303.760425][ T7519]  ? __x64_sys_mount+0x20/0xc0
[  303.760434][ T7519]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.760445][ T7519]  do_syscall_64+0x15f/0xf80
[  303.760460][ T7519]  ? trace_irq_disable+0x3b/0x140
[  303.760482][ T7519]  ? clear_bhb_loop+0x40/0x90
[  303.760495][ T7519]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.760505][ T7519] RIP: 0033:0x7fd0986fb60a
[  303.760516][ T7519] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  303.760525][ T7519] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.760536][ T7519] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  303.760544][ T7519] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  303.760551][ T7519] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  303.760557][ T7519] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  303.760564][ T7519] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  303.760579][ T7519]  </TASK>
[  303.760598][ T7519] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.760606][ T7519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.951469][ T5696] Bluetooth: hci1: command 0x0406 tx timeout
[  304.377324][ T7523] loop1: detected capacity change from 0 to 32768
[  304.383996][ T7523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.384017][ T7523] CPU: 0 UID: 0 PID: 7523 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  304.384037][ T7523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  304.384048][ T7523] Call Trace:
[  304.384055][ T7523]  <TASK>
[  304.384062][ T7523]  dump_stack_lvl+0xe8/0x150
[  304.384091][ T7523]  sysfs_create_dir_ns+0x271/0x2a0
[  304.384111][ T7523]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  304.384133][ T7523]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.384155][ T7523]  ? rt_spin_unlock+0x160/0x200
[  304.384175][ T7523]  kobject_add_internal+0x631/0xd10
[  304.384201][ T7523]  kobject_init_and_add+0x12b/0x1a0
[  304.384224][ T7523]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.384242][ T7523]  ? __raw_spin_lock_init+0x45/0x100
[  304.384266][ T7523]  ? __init_swait_queue_head+0xa9/0x150
[  304.384293][ T7523]  gfs2_sys_fs_add+0x257/0x480
[  304.384312][ T7523]  ? is_dynamic_key+0x1ac/0x1c0
[  304.384335][ T7523]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.384363][ T7523]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.384400][ T7523]  gfs2_fill_super+0x141c/0x2220
[  304.384438][ T7523]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.384458][ T7523]  ? rt_spin_unlock+0x14f/0x200
[  304.384489][ T7523]  ? sb_set_blocksize+0x11b/0x210
[  304.384516][ T7523]  ? setup_bdev_super+0x4c1/0x5b0
[  304.384542][ T7523]  get_tree_bdev_flags+0x431/0x4f0
[  304.384564][ T7523]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.384586][ T7523]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.384606][ T7523]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.384637][ T7523]  gfs2_get_tree+0x51/0x1e0
[  304.384663][ T7523]  vfs_get_tree+0x92/0x2a0
[  304.384686][ T7523]  do_new_mount+0x341/0xd30
[  304.384702][ T7523]  ? apparmor_capable+0x126/0x170
[  304.384732][ T7523]  ? __pfx_do_new_mount+0x10/0x10
[  304.384750][ T7523]  ? ns_capable+0x89/0xe0
[  304.384773][ T7523]  ? user_path_at+0xd4/0x160
[  304.384796][ T7523]  ? user_path_at+0xd4/0x160
[  304.384817][ T7523]  __se_sys_mount+0x31d/0x420
[  304.384838][ T7523]  ? __pfx___se_sys_mount+0x10/0x10
[  304.384862][ T7523]  ? __x64_sys_mount+0x20/0xc0
[  304.384879][ T7523]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.384898][ T7523]  do_syscall_64+0x15f/0xf80
[  304.384920][ T7523]  ? trace_irq_disable+0x3b/0x140
[  304.384941][ T7523]  ? clear_bhb_loop+0x40/0x90
[  304.384962][ T7523]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.384980][ T7523] RIP: 0033:0x7fd0986fb60a
[  304.384997][ T7523] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  304.385011][ T7523] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.385032][ T7523] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  304.385045][ T7523] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  304.385058][ T7523] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  304.385070][ T7523] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  304.385082][ T7523] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  304.385109][ T7523]  </TASK>
[  304.385133][ T7523] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.385148][ T7523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.977173][ T7528] loop1: detected capacity change from 0 to 32768
[  304.989283][ T7528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.989306][ T7528] CPU: 1 UID: 0 PID: 7528 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  304.989326][ T7528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  304.989338][ T7528] Call Trace:
[  304.989345][ T7528]  <TASK>
[  304.989353][ T7528]  dump_stack_lvl+0xe8/0x150
[  304.989382][ T7528]  sysfs_create_dir_ns+0x271/0x2a0
[  304.989411][ T7528]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  304.989439][ T7528]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.989460][ T7528]  ? rt_spin_unlock+0x160/0x200
[  304.989482][ T7528]  kobject_add_internal+0x631/0xd10
[  304.989509][ T7528]  kobject_init_and_add+0x12b/0x1a0
[  304.989533][ T7528]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.989556][ T7528]  ? __raw_spin_lock_init+0x45/0x100
[  304.989579][ T7528]  ? __init_swait_queue_head+0xa9/0x150
[  304.989604][ T7528]  gfs2_sys_fs_add+0x257/0x480
[  304.989627][ T7528]  ? is_dynamic_key+0x1ac/0x1c0
[  304.989651][ T7528]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.989680][ T7528]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.989723][ T7528]  gfs2_fill_super+0x141c/0x2220
[  304.989763][ T7528]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.989785][ T7528]  ? rt_spin_unlock+0x14f/0x200
[  304.989812][ T7528]  ? sb_set_blocksize+0x11b/0x210
[  304.989838][ T7528]  ? setup_bdev_super+0x4c1/0x5b0
[  304.989864][ T7528]  get_tree_bdev_flags+0x431/0x4f0
[  304.989888][ T7528]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.989911][ T7528]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.989935][ T7528]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.989966][ T7528]  gfs2_get_tree+0x51/0x1e0
[  304.989995][ T7528]  vfs_get_tree+0x92/0x2a0
[  304.990020][ T7528]  do_new_mount+0x341/0xd30
[  304.990039][ T7528]  ? apparmor_capable+0x126/0x170
[  304.990071][ T7528]  ? __pfx_do_new_mount+0x10/0x10
[  304.990090][ T7528]  ? ns_capable+0x89/0xe0
[  304.990115][ T7528]  ? user_path_at+0xd4/0x160
[  304.990139][ T7528]  ? user_path_at+0xd4/0x160
[  304.990160][ T7528]  __se_sys_mount+0x31d/0x420
[  304.990184][ T7528]  ? __pfx___se_sys_mount+0x10/0x10
[  304.990208][ T7528]  ? __x64_sys_mount+0x20/0xc0
[  304.990224][ T7528]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.990243][ T7528]  do_syscall_64+0x15f/0xf80
[  304.990266][ T7528]  ? trace_irq_disable+0x3b/0x140
[  304.990292][ T7528]  ? clear_bhb_loop+0x40/0x90
[  304.990314][ T7528]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.990332][ T7528] RIP: 0033:0x7fd0986fb60a
[  304.990351][ T7528] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  304.990365][ T7528] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.990385][ T7528] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  304.990406][ T7528] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  304.990419][ T7528] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  304.990431][ T7528] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  304.990443][ T7528] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  304.990472][ T7528]  </TASK>
[  304.991439][ T7528] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.991458][ T7528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.609344][ T7533] loop1: detected capacity change from 0 to 32768
[  305.619369][ T7533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.619391][ T7533] CPU: 0 UID: 0 PID: 7533 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  305.619411][ T7533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  305.619422][ T7533] Call Trace:
[  305.619430][ T7533]  <TASK>
[  305.619437][ T7533]  dump_stack_lvl+0xe8/0x150
[  305.619467][ T7533]  sysfs_create_dir_ns+0x271/0x2a0
[  305.619486][ T7533]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  305.619509][ T7533]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  305.619540][ T7533]  ? rt_spin_unlock+0x160/0x200
[  305.619563][ T7533]  kobject_add_internal+0x631/0xd10
[  305.619589][ T7533]  kobject_init_and_add+0x12b/0x1a0
[  305.619623][ T7533]  ? __pfx_kobject_init_and_add+0x10/0x10
[  305.619643][ T7533]  ? __raw_spin_lock_init+0x45/0x100
[  305.619667][ T7533]  ? __init_swait_queue_head+0xa9/0x150
[  305.619701][ T7533]  gfs2_sys_fs_add+0x257/0x480
[  305.619721][ T7533]  ? is_dynamic_key+0x1ac/0x1c0
[  305.619747][ T7533]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  305.619780][ T7533]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  305.619819][ T7533]  gfs2_fill_super+0x141c/0x2220
[  305.619858][ T7533]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.619880][ T7533]  ? rt_spin_unlock+0x14f/0x200
[  305.619904][ T7533]  ? sb_set_blocksize+0x11b/0x210
[  305.619930][ T7533]  ? setup_bdev_super+0x4c1/0x5b0
[  305.619955][ T7533]  get_tree_bdev_flags+0x431/0x4f0
[  305.619978][ T7533]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.620001][ T7533]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  305.620020][ T7533]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  305.620053][ T7533]  gfs2_get_tree+0x51/0x1e0
[  305.620080][ T7533]  vfs_get_tree+0x92/0x2a0
[  305.620105][ T7533]  do_new_mount+0x341/0xd30
[  305.620132][ T7533]  ? apparmor_capable+0x126/0x170
[  305.620163][ T7533]  ? __pfx_do_new_mount+0x10/0x10
[  305.620182][ T7533]  ? ns_capable+0x89/0xe0
[  305.620206][ T7533]  ? user_path_at+0xd4/0x160
[  305.620229][ T7533]  ? user_path_at+0xd4/0x160
[  305.620250][ T7533]  __se_sys_mount+0x31d/0x420
[  305.620274][ T7533]  ? __pfx___se_sys_mount+0x10/0x10
[  305.620297][ T7533]  ? __x64_sys_mount+0x20/0xc0
[  305.620313][ T7533]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.620331][ T7533]  do_syscall_64+0x15f/0xf80
[  305.620352][ T7533]  ? trace_irq_disable+0x3b/0x140
[  305.620375][ T7533]  ? clear_bhb_loop+0x40/0x90
[  305.620396][ T7533]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.620413][ T7533] RIP: 0033:0x7fd0986fb60a
[  305.620429][ T7533] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  305.620443][ T7533] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.620463][ T7533] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  305.620476][ T7533] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  305.620489][ T7533] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  305.620500][ T7533] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  305.620512][ T7533] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  305.620540][ T7533]  </TASK>
[  305.633723][ T7533] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  305.633743][ T7533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.206872][ T7538] loop1: detected capacity change from 0 to 32768
[  306.220918][ T7538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.220940][ T7538] CPU: 1 UID: 0 PID: 7538 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  306.220960][ T7538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  306.220971][ T7538] Call Trace:
[  306.220979][ T7538]  <TASK>
[  306.220986][ T7538]  dump_stack_lvl+0xe8/0x150
[  306.221014][ T7538]  sysfs_create_dir_ns+0x271/0x2a0
[  306.221033][ T7538]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  306.221054][ T7538]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  306.221074][ T7538]  ? rt_spin_unlock+0x160/0x200
[  306.221097][ T7538]  kobject_add_internal+0x631/0xd10
[  306.221123][ T7538]  kobject_init_and_add+0x12b/0x1a0
[  306.221149][ T7538]  ? __pfx_kobject_init_and_add+0x10/0x10
[  306.221166][ T7538]  ? __raw_spin_lock_init+0x45/0x100
[  306.221188][ T7538]  ? __init_swait_queue_head+0xa9/0x150
[  306.221214][ T7538]  gfs2_sys_fs_add+0x257/0x480
[  306.221233][ T7538]  ? is_dynamic_key+0x1ac/0x1c0
[  306.221256][ T7538]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  306.221285][ T7538]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  306.221334][ T7538]  gfs2_fill_super+0x141c/0x2220
[  306.221371][ T7538]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.221393][ T7538]  ? rt_spin_unlock+0x14f/0x200
[  306.221417][ T7538]  ? sb_set_blocksize+0x11b/0x210
[  306.221445][ T7538]  ? setup_bdev_super+0x4c1/0x5b0
[  306.221471][ T7538]  get_tree_bdev_flags+0x431/0x4f0
[  306.221494][ T7538]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.221516][ T7538]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  306.221536][ T7538]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  306.221569][ T7538]  gfs2_get_tree+0x51/0x1e0
[  306.221591][ T7538]  vfs_get_tree+0x92/0x2a0
[  306.221606][ T7538]  do_new_mount+0x341/0xd30
[  306.221615][ T7538]  ? apparmor_capable+0x126/0x170
[  306.221634][ T7538]  ? __pfx_do_new_mount+0x10/0x10
[  306.221644][ T7538]  ? ns_capable+0x89/0xe0
[  306.221658][ T7538]  ? user_path_at+0xd4/0x160
[  306.221671][ T7538]  ? user_path_at+0xd4/0x160
[  306.221683][ T7538]  __se_sys_mount+0x31d/0x420
[  306.221697][ T7538]  ? __pfx___se_sys_mount+0x10/0x10
[  306.221710][ T7538]  ? __x64_sys_mount+0x20/0xc0
[  306.221720][ T7538]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.221731][ T7538]  do_syscall_64+0x15f/0xf80
[  306.221745][ T7538]  ? trace_irq_disable+0x3b/0x140
[  306.221759][ T7538]  ? clear_bhb_loop+0x40/0x90
[  306.221771][ T7538]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.221781][ T7538] RIP: 0033:0x7fd0986fb60a
[  306.221792][ 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
[  306.221801][ T7538] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.221814][ T7538] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  306.221822][ T7538] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  306.221829][ T7538] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  306.221836][ T7538] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  306.221843][ T7538] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  306.221858][ T7538]  </TASK>
[  306.228013][ 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.
[  306.228033][ T7538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.756209][ T7543] loop1: detected capacity change from 0 to 32768
[  306.759452][ T7543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.759475][ T7543] CPU: 0 UID: 0 PID: 7543 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  306.759494][ T7543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  306.759504][ T7543] Call Trace:
[  306.759512][ T7543]  <TASK>
[  306.759520][ T7543]  dump_stack_lvl+0xe8/0x150
[  306.759549][ T7543]  sysfs_create_dir_ns+0x271/0x2a0
[  306.759569][ T7543]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  306.759591][ T7543]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  306.759614][ T7543]  ? rt_spin_unlock+0x160/0x200
[  306.759637][ T7543]  kobject_add_internal+0x631/0xd10
[  306.759661][ T7543]  kobject_init_and_add+0x12b/0x1a0
[  306.759685][ T7543]  ? __pfx_kobject_init_and_add+0x10/0x10
[  306.759705][ T7543]  ? __raw_spin_lock_init+0x45/0x100
[  306.759728][ T7543]  ? __init_swait_queue_head+0xa9/0x150
[  306.759756][ T7543]  gfs2_sys_fs_add+0x257/0x480
[  306.759775][ T7543]  ? is_dynamic_key+0x1ac/0x1c0
[  306.759797][ T7543]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  306.759821][ T7543]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  306.759856][ T7543]  gfs2_fill_super+0x141c/0x2220
[  306.759894][ T7543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.759923][ T7543]  ? sb_set_blocksize+0x11b/0x210
[  306.759949][ T7543]  ? setup_bdev_super+0x4c1/0x5b0
[  306.759973][ T7543]  get_tree_bdev_flags+0x431/0x4f0
[  306.759995][ T7543]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.760017][ T7543]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  306.760036][ T7543]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  306.760066][ T7543]  gfs2_get_tree+0x51/0x1e0
[  306.760093][ T7543]  vfs_get_tree+0x92/0x2a0
[  306.760115][ T7543]  do_new_mount+0x341/0xd30
[  306.760131][ T7543]  ? apparmor_capable+0x126/0x170
[  306.760161][ T7543]  ? __pfx_do_new_mount+0x10/0x10
[  306.760177][ T7543]  ? ns_capable+0x89/0xe0
[  306.760202][ T7543]  ? user_path_at+0xd4/0x160
[  306.760225][ T7543]  ? user_path_at+0xd4/0x160
[  306.760246][ T7543]  __se_sys_mount+0x31d/0x420
[  306.760269][ T7543]  ? __pfx___se_sys_mount+0x10/0x10
[  306.760293][ T7543]  ? __x64_sys_mount+0x20/0xc0
[  306.760310][ T7543]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.760329][ T7543]  do_syscall_64+0x15f/0xf80
[  306.760359][ T7543]  ? trace_irq_disable+0x3b/0x140
[  306.760381][ T7543]  ? clear_bhb_loop+0x40/0x90
[  306.760403][ T7543]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.760419][ T7543] RIP: 0033:0x7fd0986fb60a
[  306.760437][ T7543] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  306.760452][ T7543] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.760471][ T7543] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  306.760485][ T7543] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  306.760498][ T7543] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  306.760511][ T7543] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  306.760524][ T7543] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  306.760553][ T7543]  </TASK>
[  306.760595][ T7543] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.760609][ T7543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.377512][ T7547] loop1: detected capacity change from 0 to 32768
[  307.383300][ T7547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.383322][ T7547] CPU: 0 UID: 0 PID: 7547 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  307.383343][ T7547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  307.383353][ T7547] Call Trace:
[  307.383360][ T7547]  <TASK>
[  307.383368][ T7547]  dump_stack_lvl+0xe8/0x150
[  307.383396][ T7547]  sysfs_create_dir_ns+0x271/0x2a0
[  307.383416][ T7547]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  307.383439][ T7547]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  307.383461][ T7547]  ? rt_spin_unlock+0x160/0x200
[  307.383484][ T7547]  kobject_add_internal+0x631/0xd10
[  307.383511][ T7547]  kobject_init_and_add+0x12b/0x1a0
[  307.383543][ T7547]  ? __pfx_kobject_init_and_add+0x10/0x10
[  307.383563][ T7547]  ? __raw_spin_lock_init+0x45/0x100
[  307.383587][ T7547]  ? __init_swait_queue_head+0xa9/0x150
[  307.383613][ T7547]  gfs2_sys_fs_add+0x257/0x480
[  307.383634][ T7547]  ? is_dynamic_key+0x1ac/0x1c0
[  307.383658][ T7547]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  307.383686][ T7547]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  307.383725][ T7547]  gfs2_fill_super+0x141c/0x2220
[  307.383764][ T7547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.383785][ T7547]  ? rt_spin_unlock+0x14f/0x200
[  307.383810][ T7547]  ? sb_set_blocksize+0x11b/0x210
[  307.383835][ T7547]  ? setup_bdev_super+0x4c1/0x5b0
[  307.383861][ T7547]  get_tree_bdev_flags+0x431/0x4f0
[  307.383884][ T7547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.383908][ T7547]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  307.383928][ T7547]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  307.383961][ T7547]  gfs2_get_tree+0x51/0x1e0
[  307.383990][ T7547]  vfs_get_tree+0x92/0x2a0
[  307.384015][ T7547]  do_new_mount+0x341/0xd30
[  307.384032][ T7547]  ? apparmor_capable+0x126/0x170
[  307.384062][ T7547]  ? __pfx_do_new_mount+0x10/0x10
[  307.384080][ T7547]  ? ns_capable+0x89/0xe0
[  307.384106][ T7547]  ? user_path_at+0xd4/0x160
[  307.384129][ T7547]  ? user_path_at+0xd4/0x160
[  307.384152][ T7547]  __se_sys_mount+0x31d/0x420
[  307.384176][ T7547]  ? __pfx___se_sys_mount+0x10/0x10
[  307.384201][ T7547]  ? __x64_sys_mount+0x20/0xc0
[  307.384218][ T7547]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.384238][ T7547]  do_syscall_64+0x15f/0xf80
[  307.384261][ T7547]  ? trace_irq_disable+0x3b/0x140
[  307.384283][ T7547]  ? clear_bhb_loop+0x40/0x90
[  307.384305][ T7547]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.384322][ T7547] RIP: 0033:0x7fd0986fb60a
[  307.384340][ T7547] 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
[  307.384356][ T7547] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.384375][ T7547] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  307.384389][ T7547] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  307.384402][ T7547] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  307.384415][ T7547] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  307.384427][ T7547] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  307.384457][ T7547]  </TASK>
[  307.384482][ T7547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.384497][ T7547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  307.963403][ T7552] loop1: detected capacity change from 0 to 32768
[  307.969814][ T7552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.969836][ T7552] CPU: 1 UID: 0 PID: 7552 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  307.969857][ T7552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  307.969867][ T7552] Call Trace:
[  307.969874][ T7552]  <TASK>
[  307.969881][ T7552]  dump_stack_lvl+0xe8/0x150
[  307.969910][ T7552]  sysfs_create_dir_ns+0x271/0x2a0
[  307.969930][ T7552]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  307.969952][ T7552]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  307.969975][ T7552]  ? rt_spin_unlock+0x160/0x200
[  307.969998][ T7552]  kobject_add_internal+0x631/0xd10
[  307.970025][ T7552]  kobject_init_and_add+0x12b/0x1a0
[  307.970048][ T7552]  ? __pfx_kobject_init_and_add+0x10/0x10
[  307.970066][ T7552]  ? __raw_spin_lock_init+0x45/0x100
[  307.970090][ T7552]  ? __init_swait_queue_head+0xa9/0x150
[  307.970115][ T7552]  gfs2_sys_fs_add+0x257/0x480
[  307.970136][ T7552]  ? is_dynamic_key+0x1ac/0x1c0
[  307.970159][ T7552]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  307.970185][ T7552]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  307.970235][ T7552]  gfs2_fill_super+0x141c/0x2220
[  307.970274][ T7552]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.970295][ T7552]  ? rt_spin_unlock+0x14f/0x200
[  307.970320][ T7552]  ? sb_set_blocksize+0x11b/0x210
[  307.970347][ T7552]  ? setup_bdev_super+0x4c1/0x5b0
[  307.970372][ T7552]  get_tree_bdev_flags+0x431/0x4f0
[  307.970394][ T7552]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.970417][ T7552]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  307.970436][ T7552]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  307.970468][ T7552]  gfs2_get_tree+0x51/0x1e0
[  307.970494][ T7552]  vfs_get_tree+0x92/0x2a0
[  307.970518][ T7552]  do_new_mount+0x341/0xd30
[  307.970535][ T7552]  ? apparmor_capable+0x126/0x170
[  307.970565][ T7552]  ? __pfx_do_new_mount+0x10/0x10
[  307.970583][ T7552]  ? ns_capable+0x89/0xe0
[  307.970609][ T7552]  ? user_path_at+0xd4/0x160
[  307.970632][ T7552]  ? user_path_at+0xd4/0x160
[  307.970654][ T7552]  __se_sys_mount+0x31d/0x420
[  307.970677][ T7552]  ? __pfx___se_sys_mount+0x10/0x10
[  307.970701][ T7552]  ? __x64_sys_mount+0x20/0xc0
[  307.970718][ T7552]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.970737][ T7552]  do_syscall_64+0x15f/0xf80
[  307.970759][ T7552]  ? trace_irq_disable+0x3b/0x140
[  307.970782][ T7552]  ? clear_bhb_loop+0x40/0x90
[  307.970803][ T7552]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.970821][ T7552] RIP: 0033:0x7fd0986fb60a
[  307.970839][ T7552] 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
[  307.970855][ T7552] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.970874][ T7552] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  307.970888][ T7552] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  307.970901][ T7552] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  307.970913][ T7552] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  307.970925][ T7552] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  307.970956][ T7552]  </TASK>
[  307.970994][ T7552] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.971009][ T7552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.518275][ T7556] loop1: detected capacity change from 0 to 32768
[  308.538973][ T7556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  308.538989][ T7556] CPU: 0 UID: 0 PID: 7556 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  308.539002][ T7556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
2026/05/01 20:06:44 executed programs: 220
[  308.539008][ T7556] Call Trace:
[  308.539012][ T7556]  <TASK>
[  308.539017][ T7556]  dump_stack_lvl+0xe8/0x150
[  308.539036][ T7556]  sysfs_create_dir_ns+0x271/0x2a0
[  308.539047][ T7556]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  308.539062][ T7556]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  308.539074][ T7556]  ? rt_spin_unlock+0x160/0x200
[  308.539087][ T7556]  kobject_add_internal+0x631/0xd10
[  308.539102][ T7556]  kobject_init_and_add+0x12b/0x1a0
[  308.539115][ T7556]  ? __pfx_kobject_init_and_add+0x10/0x10
[  308.539125][ T7556]  ? __raw_spin_lock_init+0x45/0x100
[  308.539140][ T7556]  ? __init_swait_queue_head+0xa9/0x150
[  308.539156][ T7556]  gfs2_sys_fs_add+0x257/0x480
[  308.539168][ T7556]  ? is_dynamic_key+0x1ac/0x1c0
[  308.539183][ T7556]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  308.539198][ T7556]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  308.539223][ T7556]  gfs2_fill_super+0x141c/0x2220
[  308.539245][ T7556]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.539258][ T7556]  ? rt_spin_unlock+0x14f/0x200
[  308.539272][ T7556]  ? sb_set_blocksize+0x11b/0x210
[  308.539288][ T7556]  ? setup_bdev_super+0x4c1/0x5b0
[  308.539313][ T7556]  get_tree_bdev_flags+0x431/0x4f0
[  308.539327][ T7556]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.539340][ T7556]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  308.539351][ T7556]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  308.539370][ T7556]  gfs2_get_tree+0x51/0x1e0
[  308.539386][ T7556]  vfs_get_tree+0x92/0x2a0
[  308.539400][ T7556]  do_new_mount+0x341/0xd30
[  308.539409][ T7556]  ? apparmor_capable+0x126/0x170
[  308.539429][ T7556]  ? __pfx_do_new_mount+0x10/0x10
[  308.539438][ T7556]  ? ns_capable+0x89/0xe0
[  308.539458][ T7556]  ? user_path_at+0xd4/0x160
[  308.539472][ T7556]  ? user_path_at+0xd4/0x160
[  308.539484][ T7556]  __se_sys_mount+0x31d/0x420
[  308.539497][ T7556]  ? __pfx___se_sys_mount+0x10/0x10
[  308.539510][ T7556]  ? __x64_sys_mount+0x20/0xc0
[  308.539520][ T7556]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.539531][ T7556]  do_syscall_64+0x15f/0xf80
[  308.539545][ T7556]  ? trace_irq_disable+0x3b/0x140
[  308.539559][ T7556]  ? clear_bhb_loop+0x40/0x90
[  308.539571][ T7556]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.539581][ T7556] RIP: 0033:0x7fd0986fb60a
[  308.539592][ T7556] 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
[  308.539601][ T7556] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.539612][ T7556] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  308.539620][ T7556] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  308.539627][ T7556] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  308.539634][ T7556] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  308.539641][ T7556] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  308.539657][ T7556]  </TASK>
[  308.539672][ T7556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  308.539680][ T7556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  309.094277][ T7560] loop1: detected capacity change from 0 to 32768
[  309.114351][ T7560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.114373][ T7560] CPU: 1 UID: 0 PID: 7560 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  309.114393][ T7560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  309.114403][ T7560] Call Trace:
[  309.114410][ T7560]  <TASK>
[  309.114418][ T7560]  dump_stack_lvl+0xe8/0x150
[  309.114462][ T7560]  sysfs_create_dir_ns+0x271/0x2a0
[  309.114482][ T7560]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  309.114505][ T7560]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  309.114527][ T7560]  ? rt_spin_unlock+0x160/0x200
[  309.114548][ T7560]  kobject_add_internal+0x631/0xd10
[  309.114575][ T7560]  kobject_init_and_add+0x12b/0x1a0
[  309.114599][ T7560]  ? __pfx_kobject_init_and_add+0x10/0x10
[  309.114618][ T7560]  ? __raw_spin_lock_init+0x45/0x100
[  309.114646][ T7560]  ? __init_swait_queue_head+0xa9/0x150
[  309.114673][ T7560]  gfs2_sys_fs_add+0x257/0x480
[  309.114693][ T7560]  ? is_dynamic_key+0x1ac/0x1c0
[  309.114718][ T7560]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  309.114747][ T7560]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  309.114787][ T7560]  gfs2_fill_super+0x141c/0x2220
[  309.114827][ T7560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.114848][ T7560]  ? rt_spin_unlock+0x14f/0x200
[  309.114873][ T7560]  ? sb_set_blocksize+0x11b/0x210
[  309.114898][ T7560]  ? setup_bdev_super+0x4c1/0x5b0
[  309.114924][ T7560]  get_tree_bdev_flags+0x431/0x4f0
[  309.114947][ T7560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.114971][ T7560]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  309.114991][ T7560]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  309.115023][ T7560]  gfs2_get_tree+0x51/0x1e0
[  309.115050][ T7560]  vfs_get_tree+0x92/0x2a0
[  309.115075][ T7560]  do_new_mount+0x341/0xd30
[  309.115092][ T7560]  ? apparmor_capable+0x126/0x170
[  309.115122][ T7560]  ? __pfx_do_new_mount+0x10/0x10
[  309.115139][ T7560]  ? ns_capable+0x89/0xe0
[  309.115164][ T7560]  ? user_path_at+0xd4/0x160
[  309.115188][ T7560]  ? user_path_at+0xd4/0x160
[  309.115208][ T7560]  __se_sys_mount+0x31d/0x420
[  309.115232][ T7560]  ? __pfx___se_sys_mount+0x10/0x10
[  309.115257][ T7560]  ? __x64_sys_mount+0x20/0xc0
[  309.115274][ T7560]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.115293][ T7560]  do_syscall_64+0x15f/0xf80
[  309.115317][ T7560]  ? trace_irq_disable+0x3b/0x140
[  309.115339][ T7560]  ? clear_bhb_loop+0x40/0x90
[  309.115361][ T7560]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.115379][ T7560] RIP: 0033:0x7fd0986fb60a
[  309.115395][ T7560] 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
[  309.115411][ T7560] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.115430][ T7560] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  309.115450][ T7560] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  309.115463][ T7560] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  309.115475][ T7560] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  309.115487][ T7560] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  309.115516][ T7560]  </TASK>
[  309.115553][ T7560] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.115568][ T7560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  309.708090][ T7564] loop1: detected capacity change from 0 to 32768
[  309.713191][ T7564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.713213][ T7564] CPU: 1 UID: 0 PID: 7564 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  309.713238][ T7564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  309.713248][ T7564] Call Trace:
[  309.713255][ T7564]  <TASK>
[  309.713262][ T7564]  dump_stack_lvl+0xe8/0x150
[  309.713289][ T7564]  sysfs_create_dir_ns+0x271/0x2a0
[  309.713309][ T7564]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  309.713329][ T7564]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  309.713352][ T7564]  ? rt_spin_unlock+0x160/0x200
[  309.713373][ T7564]  kobject_add_internal+0x631/0xd10
[  309.713399][ T7564]  kobject_init_and_add+0x12b/0x1a0
[  309.713422][ T7564]  ? __pfx_kobject_init_and_add+0x10/0x10
[  309.713440][ T7564]  ? __raw_spin_lock_init+0x45/0x100
[  309.713462][ T7564]  ? __init_swait_queue_head+0xa9/0x150
[  309.713486][ T7564]  gfs2_sys_fs_add+0x257/0x480
[  309.713506][ T7564]  ? is_dynamic_key+0x1ac/0x1c0
[  309.713530][ T7564]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  309.713557][ T7564]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  309.713591][ T7564]  gfs2_fill_super+0x141c/0x2220
[  309.713628][ T7564]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.713648][ T7564]  ? rt_spin_unlock+0x14f/0x200
[  309.713672][ T7564]  ? sb_set_blocksize+0x11b/0x210
[  309.713698][ T7564]  ? setup_bdev_super+0x4c1/0x5b0
[  309.713723][ T7564]  get_tree_bdev_flags+0x431/0x4f0
[  309.713745][ T7564]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.713768][ T7564]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  309.713788][ T7564]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  309.713819][ T7564]  gfs2_get_tree+0x51/0x1e0
[  309.713845][ T7564]  vfs_get_tree+0x92/0x2a0
[  309.713869][ T7564]  do_new_mount+0x341/0xd30
[  309.713885][ T7564]  ? apparmor_capable+0x126/0x170
[  309.713914][ T7564]  ? __pfx_do_new_mount+0x10/0x10
[  309.713932][ T7564]  ? ns_capable+0x89/0xe0
[  309.713955][ T7564]  ? user_path_at+0xd4/0x160
[  309.713977][ T7564]  ? user_path_at+0xd4/0x160
[  309.713999][ T7564]  __se_sys_mount+0x31d/0x420
[  309.714022][ T7564]  ? __pfx___se_sys_mount+0x10/0x10
[  309.714046][ T7564]  ? __x64_sys_mount+0x20/0xc0
[  309.714062][ T7564]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.714082][ T7564]  do_syscall_64+0x15f/0xf80
[  309.714105][ T7564]  ? trace_irq_disable+0x3b/0x140
[  309.714126][ T7564]  ? clear_bhb_loop+0x40/0x90
[  309.714147][ T7564]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.714171][ T7564] RIP: 0033:0x7fd0986fb60a
[  309.714189][ T7564] 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
[  309.714203][ T7564] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.714223][ T7564] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  309.714236][ T7564] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  309.714248][ T7564] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  309.714260][ T7564] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  309.714271][ T7564] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  309.714300][ T7564]  </TASK>
[  309.716650][ T7564] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.716670][ T7564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.229398][ T7568] loop1: detected capacity change from 0 to 32768
[  310.246539][ T7568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.246563][ T7568] CPU: 0 UID: 0 PID: 7568 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  310.246583][ T7568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  310.246592][ T7568] Call Trace:
[  310.246599][ T7568]  <TASK>
[  310.246606][ T7568]  dump_stack_lvl+0xe8/0x150
[  310.246634][ T7568]  sysfs_create_dir_ns+0x271/0x2a0
[  310.246653][ T7568]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  310.246674][ T7568]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  310.246694][ T7568]  ? rt_spin_unlock+0x160/0x200
[  310.246716][ T7568]  kobject_add_internal+0x631/0xd10
[  310.246741][ T7568]  kobject_init_and_add+0x12b/0x1a0
[  310.246764][ T7568]  ? __pfx_kobject_init_and_add+0x10/0x10
[  310.246782][ T7568]  ? __raw_spin_lock_init+0x45/0x100
[  310.246803][ T7568]  ? __init_swait_queue_head+0xa9/0x150
[  310.246829][ T7568]  gfs2_sys_fs_add+0x257/0x480
[  310.246849][ T7568]  ? is_dynamic_key+0x1ac/0x1c0
[  310.246872][ T7568]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  310.246900][ T7568]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  310.246937][ T7568]  gfs2_fill_super+0x141c/0x2220
[  310.246972][ T7568]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.246993][ T7568]  ? rt_spin_unlock+0x14f/0x200
[  310.247018][ T7568]  ? sb_set_blocksize+0x11b/0x210
[  310.247049][ T7568]  ? setup_bdev_super+0x4c1/0x5b0
[  310.247073][ T7568]  get_tree_bdev_flags+0x431/0x4f0
[  310.247095][ T7568]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.247117][ T7568]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  310.247136][ T7568]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  310.247167][ T7568]  gfs2_get_tree+0x51/0x1e0
[  310.247193][ T7568]  vfs_get_tree+0x92/0x2a0
[  310.247217][ T7568]  do_new_mount+0x341/0xd30
[  310.247232][ T7568]  ? apparmor_capable+0x126/0x170
[  310.247261][ T7568]  ? __pfx_do_new_mount+0x10/0x10
[  310.247279][ T7568]  ? ns_capable+0x89/0xe0
[  310.247311][ T7568]  ? user_path_at+0xd4/0x160
[  310.247332][ T7568]  ? user_path_at+0xd4/0x160
[  310.247352][ T7568]  __se_sys_mount+0x31d/0x420
[  310.247375][ T7568]  ? __pfx___se_sys_mount+0x10/0x10
[  310.247398][ T7568]  ? __x64_sys_mount+0x20/0xc0
[  310.247414][ T7568]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.247433][ T7568]  do_syscall_64+0x15f/0xf80
[  310.247454][ T7568]  ? trace_irq_disable+0x3b/0x140
[  310.247476][ T7568]  ? clear_bhb_loop+0x40/0x90
[  310.247498][ T7568]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.247515][ T7568] RIP: 0033:0x7fd0986fb60a
[  310.247531][ T7568] 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
[  310.247546][ T7568] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  310.247566][ T7568] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  310.247579][ T7568] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  310.247591][ T7568] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  310.247603][ T7568] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  310.247615][ T7568] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  310.247643][ T7568]  </TASK>
[  310.247680][ T7568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  310.247693][ T7568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.848900][ T7572] loop1: detected capacity change from 0 to 32768
[  310.869482][ T7572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.869497][ T7572] CPU: 1 UID: 0 PID: 7572 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  310.869509][ T7572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  310.869516][ T7572] Call Trace:
[  310.869520][ T7572]  <TASK>
[  310.869525][ T7572]  dump_stack_lvl+0xe8/0x150
[  310.869543][ T7572]  sysfs_create_dir_ns+0x271/0x2a0
[  310.869554][ T7572]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  310.869568][ T7572]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  310.869580][ T7572]  ? rt_spin_unlock+0x160/0x200
[  310.869593][ T7572]  kobject_add_internal+0x631/0xd10
[  310.869607][ T7572]  kobject_init_and_add+0x12b/0x1a0
[  310.869620][ T7572]  ? __pfx_kobject_init_and_add+0x10/0x10
[  310.869631][ T7572]  ? __raw_spin_lock_init+0x45/0x100
[  310.869645][ T7572]  ? __init_swait_queue_head+0xa9/0x150
[  310.869661][ T7572]  gfs2_sys_fs_add+0x257/0x480
[  310.869673][ T7572]  ? is_dynamic_key+0x1ac/0x1c0
[  310.869687][ T7572]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  310.869702][ T7572]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  310.869723][ T7572]  gfs2_fill_super+0x141c/0x2220
[  310.869746][ T7572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.869759][ T7572]  ? rt_spin_unlock+0x14f/0x200
[  310.869772][ T7572]  ? sb_set_blocksize+0x11b/0x210
[  310.869789][ T7572]  ? setup_bdev_super+0x4c1/0x5b0
[  310.869804][ T7572]  get_tree_bdev_flags+0x431/0x4f0
[  310.869817][ T7572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.869830][ T7572]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  310.869842][ T7572]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  310.869860][ T7572]  gfs2_get_tree+0x51/0x1e0
[  310.869876][ T7572]  vfs_get_tree+0x92/0x2a0
[  310.869890][ T7572]  do_new_mount+0x341/0xd30
[  310.869899][ T7572]  ? apparmor_capable+0x126/0x170
[  310.869917][ T7572]  ? __pfx_do_new_mount+0x10/0x10
[  310.869927][ T7572]  ? ns_capable+0x89/0xe0
[  310.869941][ T7572]  ? user_path_at+0xd4/0x160
[  310.869954][ T7572]  ? user_path_at+0xd4/0x160
[  310.869967][ T7572]  __se_sys_mount+0x31d/0x420
[  310.869984][ T7572]  ? __pfx___se_sys_mount+0x10/0x10
[  310.869997][ T7572]  ? __x64_sys_mount+0x20/0xc0
[  310.870006][ T7572]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.870017][ T7572]  do_syscall_64+0x15f/0xf80
[  310.870034][ T7572]  ? trace_irq_disable+0x3b/0x140
[  310.870057][ T7572]  ? clear_bhb_loop+0x40/0x90
[  310.870076][ T7572]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.870086][ T7572] RIP: 0033:0x7fd0986fb60a
[  310.870097][ T7572] 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
[  310.870106][ T7572] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  310.870117][ T7572] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  310.870125][ T7572] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  310.870132][ T7572] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  310.870139][ T7572] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  310.870146][ T7572] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  310.870161][ T7572]  </TASK>
[  310.870184][ T7572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  310.870192][ T7572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  311.417229][ T7576] loop1: detected capacity change from 0 to 32768
[  311.429578][ T7576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  311.429600][ T7576] CPU: 1 UID: 0 PID: 7576 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  311.429620][ T7576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  311.429631][ T7576] Call Trace:
[  311.429636][ T7576]  <TASK>
[  311.429644][ T7576]  dump_stack_lvl+0xe8/0x150
[  311.429673][ T7576]  sysfs_create_dir_ns+0x271/0x2a0
[  311.429693][ T7576]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  311.429715][ T7576]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  311.429737][ T7576]  ? rt_spin_unlock+0x160/0x200
[  311.429760][ T7576]  kobject_add_internal+0x631/0xd10
[  311.429786][ T7576]  kobject_init_and_add+0x12b/0x1a0
[  311.429811][ T7576]  ? __pfx_kobject_init_and_add+0x10/0x10
[  311.429830][ T7576]  ? __raw_spin_lock_init+0x45/0x100
[  311.429855][ T7576]  ? __init_swait_queue_head+0xa9/0x150
[  311.429882][ T7576]  gfs2_sys_fs_add+0x257/0x480
[  311.429901][ T7576]  ? is_dynamic_key+0x1ac/0x1c0
[  311.429925][ T7576]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  311.429952][ T7576]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  311.429989][ T7576]  gfs2_fill_super+0x141c/0x2220
[  311.430028][ T7576]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.430049][ T7576]  ? rt_spin_unlock+0x14f/0x200
[  311.430071][ T7576]  ? sb_set_blocksize+0x11b/0x210
[  311.430097][ T7576]  ? setup_bdev_super+0x4c1/0x5b0
[  311.430121][ T7576]  get_tree_bdev_flags+0x431/0x4f0
[  311.430143][ T7576]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.430164][ T7576]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  311.430183][ T7576]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  311.430221][ T7576]  gfs2_get_tree+0x51/0x1e0
[  311.430249][ T7576]  vfs_get_tree+0x92/0x2a0
[  311.430272][ T7576]  do_new_mount+0x341/0xd30
[  311.430288][ T7576]  ? apparmor_capable+0x126/0x170
[  311.430319][ T7576]  ? __pfx_do_new_mount+0x10/0x10
[  311.430338][ T7576]  ? ns_capable+0x89/0xe0
[  311.430363][ T7576]  ? user_path_at+0xd4/0x160
[  311.430387][ T7576]  ? user_path_at+0xd4/0x160
[  311.430409][ T7576]  __se_sys_mount+0x31d/0x420
[  311.430434][ T7576]  ? __pfx___se_sys_mount+0x10/0x10
[  311.430458][ T7576]  ? __x64_sys_mount+0x20/0xc0
[  311.430476][ T7576]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.430495][ T7576]  do_syscall_64+0x15f/0xf80
[  311.430517][ T7576]  ? trace_irq_disable+0x3b/0x140
[  311.430540][ T7576]  ? clear_bhb_loop+0x40/0x90
[  311.430563][ T7576]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.430580][ T7576] RIP: 0033:0x7fd0986fb60a
[  311.430601][ T7576] 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
[  311.430617][ T7576] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.430637][ T7576] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  311.430651][ T7576] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  311.430664][ T7576] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  311.430676][ T7576] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  311.430689][ T7576] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  311.430715][ T7576]  </TASK>
[  311.430752][ T7576] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.430767][ T7576] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.014566][ T7580] loop1: detected capacity change from 0 to 32768
[  312.018442][ T7580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.018465][ T7580] CPU: 1 UID: 0 PID: 7580 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  312.018486][ T7580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  312.018497][ T7580] Call Trace:
[  312.018504][ T7580]  <TASK>
[  312.018512][ T7580]  dump_stack_lvl+0xe8/0x150
[  312.018541][ T7580]  sysfs_create_dir_ns+0x271/0x2a0
[  312.018559][ T7580]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  312.018582][ T7580]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  312.018604][ T7580]  ? rt_spin_unlock+0x160/0x200
[  312.018628][ T7580]  kobject_add_internal+0x631/0xd10
[  312.018653][ T7580]  kobject_init_and_add+0x12b/0x1a0
[  312.018676][ T7580]  ? __pfx_kobject_init_and_add+0x10/0x10
[  312.018696][ T7580]  ? __raw_spin_lock_init+0x45/0x100
[  312.018721][ T7580]  ? __init_swait_queue_head+0xa9/0x150
[  312.018745][ T7580]  gfs2_sys_fs_add+0x257/0x480
[  312.018765][ T7580]  ? is_dynamic_key+0x1ac/0x1c0
[  312.018789][ T7580]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  312.018815][ T7580]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  312.018852][ T7580]  gfs2_fill_super+0x141c/0x2220
[  312.018889][ T7580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.018911][ T7580]  ? rt_spin_unlock+0x14f/0x200
[  312.018934][ T7580]  ? sb_set_blocksize+0x11b/0x210
[  312.018978][ T7580]  ? setup_bdev_super+0x4c1/0x5b0
[  312.019003][ T7580]  get_tree_bdev_flags+0x431/0x4f0
[  312.019026][ T7580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.019049][ T7580]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  312.019068][ T7580]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  312.019101][ T7580]  gfs2_get_tree+0x51/0x1e0
[  312.019128][ T7580]  vfs_get_tree+0x92/0x2a0
[  312.019149][ T7580]  do_new_mount+0x341/0xd30
[  312.019165][ T7580]  ? apparmor_capable+0x126/0x170
[  312.019196][ T7580]  ? __pfx_do_new_mount+0x10/0x10
[  312.019214][ T7580]  ? ns_capable+0x89/0xe0
[  312.019248][ T7580]  ? user_path_at+0xd4/0x160
[  312.019273][ T7580]  ? user_path_at+0xd4/0x160
[  312.019295][ T7580]  __se_sys_mount+0x31d/0x420
[  312.019321][ T7580]  ? __pfx___se_sys_mount+0x10/0x10
[  312.019345][ T7580]  ? __x64_sys_mount+0x20/0xc0
[  312.019363][ T7580]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.019382][ T7580]  do_syscall_64+0x15f/0xf80
[  312.019404][ T7580]  ? trace_irq_disable+0x3b/0x140
[  312.019426][ T7580]  ? clear_bhb_loop+0x40/0x90
[  312.019447][ T7580]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.019465][ T7580] RIP: 0033:0x7fd0986fb60a
[  312.019483][ T7580] 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
[  312.019498][ T7580] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.019517][ T7580] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  312.019531][ T7580] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  312.019544][ T7580] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  312.019557][ T7580] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  312.019569][ T7580] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  312.019600][ T7580]  </TASK>
[  312.019817][ T7580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.019833][ T7580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  312.595589][ T7584] loop1: detected capacity change from 0 to 32768
[  312.600082][ T7584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.600104][ T7584] CPU: 0 UID: 0 PID: 7584 Comm: syz.1.241 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  312.600132][ T7584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  312.600143][ T7584] Call Trace:
[  312.600150][ T7584]  <TASK>
[  312.600158][ T7584]  dump_stack_lvl+0xe8/0x150
[  312.600188][ T7584]  sysfs_create_dir_ns+0x271/0x2a0
[  312.600208][ T7584]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  312.600232][ T7584]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  312.600254][ T7584]  ? rt_spin_unlock+0x160/0x200
[  312.600277][ T7584]  kobject_add_internal+0x631/0xd10
[  312.600302][ T7584]  kobject_init_and_add+0x12b/0x1a0
[  312.600327][ T7584]  ? __pfx_kobject_init_and_add+0x10/0x10
[  312.600347][ T7584]  ? __raw_spin_lock_init+0x45/0x100
[  312.600370][ T7584]  ? __init_swait_queue_head+0xa9/0x150
[  312.600398][ T7584]  gfs2_sys_fs_add+0x257/0x480
[  312.600417][ T7584]  ? is_dynamic_key+0x1ac/0x1c0
[  312.600443][ T7584]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  312.600471][ T7584]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  312.600510][ T7584]  gfs2_fill_super+0x141c/0x2220
[  312.600551][ T7584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.600572][ T7584]  ? rt_spin_unlock+0x14f/0x200
[  312.600600][ T7584]  ? sb_set_blocksize+0x11b/0x210
[  312.600628][ T7584]  ? setup_bdev_super+0x4c1/0x5b0
[  312.600653][ T7584]  get_tree_bdev_flags+0x431/0x4f0
[  312.600676][ T7584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.600700][ T7584]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  312.600721][ T7584]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  312.600754][ T7584]  gfs2_get_tree+0x51/0x1e0
[  312.600781][ T7584]  vfs_get_tree+0x92/0x2a0
[  312.600806][ T7584]  do_new_mount+0x341/0xd30
[  312.600822][ T7584]  ? apparmor_capable+0x126/0x170
[  312.600852][ T7584]  ? __pfx_do_new_mount+0x10/0x10
[  312.600870][ T7584]  ? ns_capable+0x89/0xe0
[  312.600895][ T7584]  ? user_path_at+0xd4/0x160
[  312.600919][ T7584]  ? user_path_at+0xd4/0x160
[  312.600950][ T7584]  __se_sys_mount+0x31d/0x420
[  312.600975][ T7584]  ? __pfx___se_sys_mount+0x10/0x10
[  312.600999][ T7584]  ? __x64_sys_mount+0x20/0xc0
[  312.601018][ T7584]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.601038][ T7584]  do_syscall_64+0x15f/0xf80
[  312.601067][ T7584]  ? trace_irq_disable+0x3b/0x140
[  312.601093][ T7584]  ? clear_bhb_loop+0x40/0x90
[  312.601114][ T7584]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.601138][ T7584] RIP: 0033:0x7fd0986fb60a
[  312.601153][ T7584] 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
[  312.601168][ T7584] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.601186][ T7584] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  312.601199][ T7584] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  312.601210][ T7584] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  312.601222][ T7584] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  312.601234][ T7584] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  312.601261][ T7584]  </TASK>
[  312.610666][ T7584] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.610688][ T7584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  313.194253][ T7588] loop1: detected capacity change from 0 to 32768
[  313.201799][ T7588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  313.201840][ T7588] CPU: 0 UID: 0 PID: 7588 Comm: syz.1.242 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  313.201860][ T7588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  313.201871][ T7588] Call Trace:
[  313.201878][ T7588]  <TASK>
[  313.201886][ T7588]  dump_stack_lvl+0xe8/0x150
[  313.201913][ T7588]  sysfs_create_dir_ns+0x271/0x2a0
[  313.201933][ T7588]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  313.201956][ T7588]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  313.201977][ T7588]  ? rt_spin_unlock+0x160/0x200
[  313.201999][ T7588]  kobject_add_internal+0x631/0xd10
[  313.202024][ T7588]  kobject_init_and_add+0x12b/0x1a0
[  313.202047][ T7588]  ? __pfx_kobject_init_and_add+0x10/0x10
[  313.202074][ T7588]  ? __raw_spin_lock_init+0x45/0x100
[  313.202098][ T7588]  ? __init_swait_queue_head+0xa9/0x150
[  313.202124][ T7588]  gfs2_sys_fs_add+0x257/0x480
[  313.202143][ T7588]  ? is_dynamic_key+0x1ac/0x1c0
[  313.202167][ T7588]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  313.202194][ T7588]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  313.202231][ T7588]  gfs2_fill_super+0x141c/0x2220
[  313.202270][ T7588]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.202292][ T7588]  ? rt_spin_unlock+0x14f/0x200
[  313.202314][ T7588]  ? sb_set_blocksize+0x11b/0x210
[  313.202340][ T7588]  ? setup_bdev_super+0x4c1/0x5b0
[  313.202364][ T7588]  get_tree_bdev_flags+0x431/0x4f0
[  313.202387][ T7588]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.202409][ T7588]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  313.202428][ T7588]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  313.202460][ T7588]  gfs2_get_tree+0x51/0x1e0
[  313.202486][ T7588]  vfs_get_tree+0x92/0x2a0
[  313.202510][ T7588]  do_new_mount+0x341/0xd30
[  313.202526][ T7588]  ? apparmor_capable+0x126/0x170
[  313.202555][ T7588]  ? __pfx_do_new_mount+0x10/0x10
[  313.202572][ T7588]  ? ns_capable+0x89/0xe0
[  313.202596][ T7588]  ? user_path_at+0xd4/0x160
[  313.202619][ T7588]  ? user_path_at+0xd4/0x160
[  313.202640][ T7588]  __se_sys_mount+0x31d/0x420
[  313.202663][ T7588]  ? __pfx___se_sys_mount+0x10/0x10
[  313.202686][ T7588]  ? __x64_sys_mount+0x20/0xc0
[  313.202703][ T7588]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.202722][ T7588]  do_syscall_64+0x15f/0xf80
[  313.202744][ T7588]  ? trace_irq_disable+0x3b/0x140
[  313.202766][ T7588]  ? clear_bhb_loop+0x40/0x90
[  313.202787][ T7588]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.202805][ T7588] RIP: 0033:0x7fd0986fb60a
[  313.202822][ T7588] 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
[  313.202837][ T7588] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.202856][ T7588] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  313.202869][ T7588] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  313.202882][ T7588] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  313.202894][ T7588] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  313.202906][ T7588] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  313.202935][ T7588]  </TASK>
[  313.202958][ T7588] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.202972][ T7588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  313.744978][ T7592] loop1: detected capacity change from 0 to 32768
[  313.749659][ T7592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  313.749680][ T7592] CPU: 1 UID: 0 PID: 7592 Comm: syz.1.243 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  313.749700][ T7592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  313.749711][ T7592] Call Trace:
[  313.749718][ T7592]  <TASK>
[  313.749726][ T7592]  dump_stack_lvl+0xe8/0x150
[  313.749754][ T7592]  sysfs_create_dir_ns+0x271/0x2a0
2026/05/01 20:06:50 executed programs: 229
[  313.749781][ T7592]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  313.749805][ T7592]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  313.749826][ T7592]  ? rt_spin_unlock+0x160/0x200
[  313.749849][ T7592]  kobject_add_internal+0x631/0xd10
[  313.749874][ T7592]  kobject_init_and_add+0x12b/0x1a0
[  313.749895][ T7592]  ? __pfx_kobject_init_and_add+0x10/0x10
[  313.749914][ T7592]  ? __raw_spin_lock_init+0x45/0x100
[  313.749936][ T7592]  ? __init_swait_queue_head+0xa9/0x150
[  313.749960][ T7592]  gfs2_sys_fs_add+0x257/0x480
[  313.749980][ T7592]  ? is_dynamic_key+0x1ac/0x1c0
[  313.750005][ T7592]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  313.750032][ T7592]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  313.750069][ T7592]  gfs2_fill_super+0x141c/0x2220
[  313.750114][ T7592]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.750136][ T7592]  ? rt_spin_unlock+0x14f/0x200
[  313.750160][ T7592]  ? sb_set_blocksize+0x11b/0x210
[  313.750187][ T7592]  ? setup_bdev_super+0x4c1/0x5b0
[  313.750213][ T7592]  get_tree_bdev_flags+0x431/0x4f0
[  313.750236][ T7592]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.750259][ T7592]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  313.750280][ T7592]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  313.750313][ T7592]  gfs2_get_tree+0x51/0x1e0
[  313.750340][ T7592]  vfs_get_tree+0x92/0x2a0
[  313.750364][ T7592]  do_new_mount+0x341/0xd30
[  313.750381][ T7592]  ? apparmor_capable+0x126/0x170
[  313.750411][ T7592]  ? __pfx_do_new_mount+0x10/0x10
[  313.750430][ T7592]  ? ns_capable+0x89/0xe0
[  313.750454][ T7592]  ? user_path_at+0xd4/0x160
[  313.750479][ T7592]  ? user_path_at+0xd4/0x160
[  313.750500][ T7592]  __se_sys_mount+0x31d/0x420
[  313.750525][ T7592]  ? __pfx___se_sys_mount+0x10/0x10
[  313.750549][ T7592]  ? __x64_sys_mount+0x20/0xc0
[  313.750566][ T7592]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.750586][ T7592]  do_syscall_64+0x15f/0xf80
[  313.750609][ T7592]  ? trace_irq_disable+0x3b/0x140
[  313.750632][ T7592]  ? clear_bhb_loop+0x40/0x90
[  313.750655][ T7592]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.750672][ T7592] RIP: 0033:0x7fd0986fb60a
[  313.750690][ T7592] 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
[  313.750706][ T7592] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.750726][ T7592] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  313.750740][ T7592] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  313.750753][ T7592] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  313.750765][ T7592] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  313.750784][ T7592] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  313.750813][ T7592]  </TASK>
[  313.750850][ T7592] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.750864][ T7592] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.319452][ T7596] loop1: detected capacity change from 0 to 32768
[  314.336233][ T7596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.336256][ T7596] CPU: 1 UID: 0 PID: 7596 Comm: syz.1.244 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  314.336277][ T7596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  314.336288][ T7596] Call Trace:
[  314.336295][ T7596]  <TASK>
[  314.336302][ T7596]  dump_stack_lvl+0xe8/0x150
[  314.336332][ T7596]  sysfs_create_dir_ns+0x271/0x2a0
[  314.336351][ T7596]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  314.336374][ T7596]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  314.336396][ T7596]  ? rt_spin_unlock+0x160/0x200
[  314.336419][ T7596]  kobject_add_internal+0x631/0xd10
[  314.336444][ T7596]  kobject_init_and_add+0x12b/0x1a0
[  314.336468][ T7596]  ? __pfx_kobject_init_and_add+0x10/0x10
[  314.336487][ T7596]  ? __raw_spin_lock_init+0x45/0x100
[  314.336511][ T7596]  ? __init_swait_queue_head+0xa9/0x150
[  314.336538][ T7596]  gfs2_sys_fs_add+0x257/0x480
[  314.336558][ T7596]  ? is_dynamic_key+0x1ac/0x1c0
[  314.336582][ T7596]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  314.336609][ T7596]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  314.336648][ T7596]  gfs2_fill_super+0x141c/0x2220
[  314.336689][ T7596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.336716][ T7596]  ? rt_spin_unlock+0x14f/0x200
[  314.336741][ T7596]  ? sb_set_blocksize+0x11b/0x210
[  314.336767][ T7596]  ? setup_bdev_super+0x4c1/0x5b0
[  314.336792][ T7596]  get_tree_bdev_flags+0x431/0x4f0
[  314.336814][ T7596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.336837][ T7596]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  314.336856][ T7596]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  314.336888][ T7596]  gfs2_get_tree+0x51/0x1e0
[  314.336915][ T7596]  vfs_get_tree+0x92/0x2a0
[  314.336940][ T7596]  do_new_mount+0x341/0xd30
[  314.336956][ T7596]  ? apparmor_capable+0x126/0x170
[  314.336987][ T7596]  ? __pfx_do_new_mount+0x10/0x10
[  314.337005][ T7596]  ? ns_capable+0x89/0xe0
[  314.337030][ T7596]  ? user_path_at+0xd4/0x160
[  314.337063][ T7596]  ? user_path_at+0xd4/0x160
[  314.337085][ T7596]  __se_sys_mount+0x31d/0x420
[  314.337108][ T7596]  ? __pfx___se_sys_mount+0x10/0x10
[  314.337132][ T7596]  ? __x64_sys_mount+0x20/0xc0
[  314.337149][ T7596]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.337169][ T7596]  do_syscall_64+0x15f/0xf80
[  314.337193][ T7596]  ? trace_irq_disable+0x3b/0x140
[  314.337216][ T7596]  ? clear_bhb_loop+0x40/0x90
[  314.337237][ T7596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.337255][ T7596] RIP: 0033:0x7fd0986fb60a
[  314.337273][ T7596] 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
[  314.337288][ T7596] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.337308][ T7596] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  314.337322][ T7596] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  314.337335][ T7596] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  314.337347][ T7596] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  314.337360][ T7596] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  314.337390][ T7596]  </TASK>
[  314.337428][ T7596] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.337443][ T7596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.918548][ T7600] loop1: detected capacity change from 0 to 32768
[  314.928038][ T7600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.928060][ T7600] CPU: 1 UID: 0 PID: 7600 Comm: syz.1.245 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  314.928081][ T7600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  314.928092][ T7600] Call Trace:
[  314.928099][ T7600]  <TASK>
[  314.928107][ T7600]  dump_stack_lvl+0xe8/0x150
[  314.928137][ T7600]  sysfs_create_dir_ns+0x271/0x2a0
[  314.928157][ T7600]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  314.928179][ T7600]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  314.928201][ T7600]  ? rt_spin_unlock+0x160/0x200
[  314.928224][ T7600]  kobject_add_internal+0x631/0xd10
[  314.928248][ T7600]  kobject_init_and_add+0x12b/0x1a0
[  314.928272][ T7600]  ? __pfx_kobject_init_and_add+0x10/0x10
[  314.928291][ T7600]  ? __raw_spin_lock_init+0x45/0x100
[  314.928313][ T7600]  ? __init_swait_queue_head+0xa9/0x150
[  314.928339][ T7600]  gfs2_sys_fs_add+0x257/0x480
[  314.928357][ T7600]  ? is_dynamic_key+0x1ac/0x1c0
[  314.928381][ T7600]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  314.928408][ T7600]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  314.928446][ T7600]  gfs2_fill_super+0x141c/0x2220
[  314.928488][ T7600]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.928510][ T7600]  ? rt_spin_unlock+0x14f/0x200
[  314.928534][ T7600]  ? sb_set_blocksize+0x11b/0x210
[  314.928559][ T7600]  ? setup_bdev_super+0x4c1/0x5b0
[  314.928585][ T7600]  get_tree_bdev_flags+0x431/0x4f0
[  314.928608][ T7600]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.928630][ T7600]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  314.928650][ T7600]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  314.928683][ T7600]  gfs2_get_tree+0x51/0x1e0
[  314.928710][ T7600]  vfs_get_tree+0x92/0x2a0
[  314.928744][ T7600]  do_new_mount+0x341/0xd30
[  314.928760][ T7600]  ? apparmor_capable+0x126/0x170
[  314.928790][ T7600]  ? __pfx_do_new_mount+0x10/0x10
[  314.928808][ T7600]  ? ns_capable+0x89/0xe0
[  314.928832][ T7600]  ? user_path_at+0xd4/0x160
[  314.928857][ T7600]  ? user_path_at+0xd4/0x160
[  314.928879][ T7600]  __se_sys_mount+0x31d/0x420
[  314.928904][ T7600]  ? __pfx___se_sys_mount+0x10/0x10
[  314.928929][ T7600]  ? __x64_sys_mount+0x20/0xc0
[  314.928951][ T7600]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.928970][ T7600]  do_syscall_64+0x15f/0xf80
[  314.928993][ T7600]  ? trace_irq_disable+0x3b/0x140
[  314.929015][ T7600]  ? clear_bhb_loop+0x40/0x90
[  314.929036][ T7600]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.929053][ T7600] RIP: 0033:0x7fd0986fb60a
[  314.929070][ T7600] 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
[  314.929085][ T7600] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.929105][ T7600] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  314.929119][ T7600] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  314.929131][ T7600] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  314.929144][ T7600] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  314.929156][ T7600] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  314.929185][ T7600]  </TASK>
[  314.930798][ T7600] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.930817][ T7600] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  315.483988][ T7604] loop1: detected capacity change from 0 to 32768
[  315.498151][ T7604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.498172][ T7604] CPU: 1 UID: 0 PID: 7604 Comm: syz.1.246 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  315.498192][ T7604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  315.498203][ T7604] Call Trace:
[  315.498210][ T7604]  <TASK>
[  315.498218][ T7604]  dump_stack_lvl+0xe8/0x150
[  315.498247][ T7604]  sysfs_create_dir_ns+0x271/0x2a0
[  315.498267][ T7604]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  315.498291][ T7604]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  315.498313][ T7604]  ? rt_spin_unlock+0x160/0x200
[  315.498336][ T7604]  kobject_add_internal+0x631/0xd10
[  315.498362][ T7604]  kobject_init_and_add+0x12b/0x1a0
[  315.498385][ T7604]  ? __pfx_kobject_init_and_add+0x10/0x10
[  315.498405][ T7604]  ? __raw_spin_lock_init+0x45/0x100
[  315.498429][ T7604]  ? __init_swait_queue_head+0xa9/0x150
[  315.498453][ T7604]  gfs2_sys_fs_add+0x257/0x480
[  315.498471][ T7604]  ? is_dynamic_key+0x1ac/0x1c0
[  315.498496][ T7604]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  315.498524][ T7604]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  315.498564][ T7604]  gfs2_fill_super+0x141c/0x2220
[  315.498603][ T7604]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.498626][ T7604]  ? rt_spin_unlock+0x14f/0x200
[  315.498650][ T7604]  ? sb_set_blocksize+0x11b/0x210
[  315.498685][ T7604]  ? setup_bdev_super+0x4c1/0x5b0
[  315.498711][ T7604]  get_tree_bdev_flags+0x431/0x4f0
[  315.498733][ T7604]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.498757][ T7604]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  315.498777][ T7604]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  315.498808][ T7604]  gfs2_get_tree+0x51/0x1e0
[  315.498835][ T7604]  vfs_get_tree+0x92/0x2a0
[  315.498859][ T7604]  do_new_mount+0x341/0xd30
[  315.498875][ T7604]  ? apparmor_capable+0x126/0x170
[  315.498906][ T7604]  ? __pfx_do_new_mount+0x10/0x10
[  315.498924][ T7604]  ? ns_capable+0x89/0xe0
[  315.498949][ T7604]  ? user_path_at+0xd4/0x160
[  315.498973][ T7604]  ? user_path_at+0xd4/0x160
[  315.498993][ T7604]  __se_sys_mount+0x31d/0x420
[  315.499018][ T7604]  ? __pfx___se_sys_mount+0x10/0x10
[  315.499040][ T7604]  ? __x64_sys_mount+0x20/0xc0
[  315.499058][ T7604]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.499078][ T7604]  do_syscall_64+0x15f/0xf80
[  315.499101][ T7604]  ? trace_irq_disable+0x3b/0x140
[  315.499123][ T7604]  ? clear_bhb_loop+0x40/0x90
[  315.499148][ T7604]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.499166][ T7604] RIP: 0033:0x7fd0986fb60a
[  315.499184][ T7604] 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
[  315.499200][ T7604] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.499218][ T7604] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  315.499230][ T7604] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  315.499241][ T7604] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  315.499253][ T7604] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  315.499265][ T7604] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  315.499291][ T7604]  </TASK>
[  315.499946][ T7604] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.499962][ T7604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.049245][ T7608] loop1: detected capacity change from 0 to 32768
[  316.058290][ T7608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.058311][ T7608] CPU: 1 UID: 0 PID: 7608 Comm: syz.1.247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  316.058332][ T7608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  316.058343][ T7608] Call Trace:
[  316.058350][ T7608]  <TASK>
[  316.058358][ T7608]  dump_stack_lvl+0xe8/0x150
[  316.058387][ T7608]  sysfs_create_dir_ns+0x271/0x2a0
[  316.058407][ T7608]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  316.058430][ T7608]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  316.058452][ T7608]  ? rt_spin_unlock+0x160/0x200
[  316.058475][ T7608]  kobject_add_internal+0x631/0xd10
[  316.058501][ T7608]  kobject_init_and_add+0x12b/0x1a0
[  316.058526][ T7608]  ? __pfx_kobject_init_and_add+0x10/0x10
[  316.058545][ T7608]  ? __raw_spin_lock_init+0x45/0x100
[  316.058569][ T7608]  ? __init_swait_queue_head+0xa9/0x150
[  316.058596][ T7608]  gfs2_sys_fs_add+0x257/0x480
[  316.058623][ T7608]  ? is_dynamic_key+0x1ac/0x1c0
[  316.058649][ T7608]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  316.058678][ T7608]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  316.058716][ T7608]  gfs2_fill_super+0x141c/0x2220
[  316.058760][ T7608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.058782][ T7608]  ? rt_spin_unlock+0x14f/0x200
[  316.058806][ T7608]  ? sb_set_blocksize+0x11b/0x210
[  316.058834][ T7608]  ? setup_bdev_super+0x4c1/0x5b0
[  316.058860][ T7608]  get_tree_bdev_flags+0x431/0x4f0
[  316.058882][ T7608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.058905][ T7608]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  316.058925][ T7608]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  316.058958][ T7608]  gfs2_get_tree+0x51/0x1e0
[  316.058985][ T7608]  vfs_get_tree+0x92/0x2a0
[  316.059009][ T7608]  do_new_mount+0x341/0xd30
[  316.059026][ T7608]  ? apparmor_capable+0x126/0x170
[  316.059056][ T7608]  ? __pfx_do_new_mount+0x10/0x10
[  316.059075][ T7608]  ? ns_capable+0x89/0xe0
[  316.059098][ T7608]  ? user_path_at+0xd4/0x160
[  316.059122][ T7608]  ? user_path_at+0xd4/0x160
[  316.059144][ T7608]  __se_sys_mount+0x31d/0x420
[  316.059169][ T7608]  ? __pfx___se_sys_mount+0x10/0x10
[  316.059193][ T7608]  ? __x64_sys_mount+0x20/0xc0
[  316.059210][ T7608]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.059230][ T7608]  do_syscall_64+0x15f/0xf80
[  316.059253][ T7608]  ? trace_irq_disable+0x3b/0x140
[  316.059277][ T7608]  ? clear_bhb_loop+0x40/0x90
[  316.059299][ T7608]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.059317][ T7608] RIP: 0033:0x7fd0986fb60a
[  316.059336][ T7608] 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
[  316.059352][ T7608] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.059372][ T7608] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  316.059385][ T7608] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  316.059399][ T7608] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  316.059411][ T7608] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  316.059424][ T7608] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  316.059453][ T7608]  </TASK>
[  316.059490][ T7608] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.059505][ T7608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.614106][ T7612] loop1: detected capacity change from 0 to 32768
[  316.617107][ T7612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.617128][ T7612] CPU: 0 UID: 0 PID: 7612 Comm: syz.1.248 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  316.617148][ T7612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  316.617159][ T7612] Call Trace:
[  316.617166][ T7612]  <TASK>
[  316.617175][ T7612]  dump_stack_lvl+0xe8/0x150
[  316.617203][ T7612]  sysfs_create_dir_ns+0x271/0x2a0
[  316.617223][ T7612]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  316.617245][ T7612]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  316.617266][ T7612]  ? rt_spin_unlock+0x160/0x200
[  316.617289][ T7612]  kobject_add_internal+0x631/0xd10
[  316.617315][ T7612]  kobject_init_and_add+0x12b/0x1a0
[  316.617337][ T7612]  ? __pfx_kobject_init_and_add+0x10/0x10
[  316.617356][ T7612]  ? __raw_spin_lock_init+0x45/0x100
[  316.617379][ T7612]  ? __init_swait_queue_head+0xa9/0x150
[  316.617403][ T7612]  gfs2_sys_fs_add+0x257/0x480
[  316.617422][ T7612]  ? is_dynamic_key+0x1ac/0x1c0
[  316.617447][ T7612]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  316.617475][ T7612]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  316.617512][ T7612]  gfs2_fill_super+0x141c/0x2220
[  316.617554][ T7612]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.617575][ T7612]  ? rt_spin_unlock+0x14f/0x200
[  316.617609][ T7612]  ? sb_set_blocksize+0x11b/0x210
[  316.617636][ T7612]  ? setup_bdev_super+0x4c1/0x5b0
[  316.617661][ T7612]  get_tree_bdev_flags+0x431/0x4f0
[  316.617682][ T7612]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.617705][ T7612]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  316.617724][ T7612]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  316.617755][ T7612]  gfs2_get_tree+0x51/0x1e0
[  316.617781][ T7612]  vfs_get_tree+0x92/0x2a0
[  316.617806][ T7612]  do_new_mount+0x341/0xd30
[  316.617823][ T7612]  ? apparmor_capable+0x126/0x170
[  316.617853][ T7612]  ? __pfx_do_new_mount+0x10/0x10
[  316.617873][ T7612]  ? ns_capable+0x89/0xe0
[  316.617898][ T7612]  ? user_path_at+0xd4/0x160
[  316.617923][ T7612]  ? user_path_at+0xd4/0x160
[  316.617944][ T7612]  __se_sys_mount+0x31d/0x420
[  316.617965][ T7612]  ? __pfx___se_sys_mount+0x10/0x10
[  316.617989][ T7612]  ? __x64_sys_mount+0x20/0xc0
[  316.618007][ T7612]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.618027][ T7612]  do_syscall_64+0x15f/0xf80
[  316.618049][ T7612]  ? trace_irq_disable+0x3b/0x140
[  316.618073][ T7612]  ? clear_bhb_loop+0x40/0x90
[  316.618095][ T7612]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.618113][ T7612] RIP: 0033:0x7fd0986fb60a
[  316.618131][ T7612] 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
[  316.618146][ T7612] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.618166][ T7612] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  316.618179][ T7612] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  316.618191][ T7612] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  316.618204][ T7612] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  316.618216][ T7612] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  316.618246][ T7612]  </TASK>
[  316.618346][ T7612] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.618362][ T7612] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  317.133255][ T7616] loop1: detected capacity change from 0 to 32768
[  317.140975][ T7616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.140998][ T7616] CPU: 1 UID: 0 PID: 7616 Comm: syz.1.249 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  317.141019][ T7616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  317.141028][ T7616] Call Trace:
[  317.141036][ T7616]  <TASK>
[  317.141045][ T7616]  dump_stack_lvl+0xe8/0x150
[  317.141073][ T7616]  sysfs_create_dir_ns+0x271/0x2a0
[  317.141093][ T7616]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  317.141115][ T7616]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  317.141139][ T7616]  ? rt_spin_unlock+0x160/0x200
[  317.141159][ T7616]  kobject_add_internal+0x631/0xd10
[  317.141183][ T7616]  kobject_init_and_add+0x12b/0x1a0
[  317.141204][ T7616]  ? __pfx_kobject_init_and_add+0x10/0x10
[  317.141223][ T7616]  ? __raw_spin_lock_init+0x45/0x100
[  317.141245][ T7616]  ? __init_swait_queue_head+0xa9/0x150
[  317.141272][ T7616]  gfs2_sys_fs_add+0x257/0x480
[  317.141293][ T7616]  ? is_dynamic_key+0x1ac/0x1c0
[  317.141319][ T7616]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  317.141348][ T7616]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  317.141387][ T7616]  gfs2_fill_super+0x141c/0x2220
[  317.141420][ T7616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.141439][ T7616]  ? rt_spin_unlock+0x14f/0x200
[  317.141462][ T7616]  ? sb_set_blocksize+0x11b/0x210
[  317.141485][ T7616]  ? setup_bdev_super+0x4c1/0x5b0
[  317.141511][ T7616]  get_tree_bdev_flags+0x431/0x4f0
[  317.141533][ T7616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.141557][ T7616]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  317.141577][ T7616]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  317.141617][ T7616]  gfs2_get_tree+0x51/0x1e0
[  317.141644][ T7616]  vfs_get_tree+0x92/0x2a0
[  317.141669][ T7616]  do_new_mount+0x341/0xd30
[  317.141686][ T7616]  ? apparmor_capable+0x126/0x170
[  317.141717][ T7616]  ? __pfx_do_new_mount+0x10/0x10
[  317.141735][ T7616]  ? ns_capable+0x89/0xe0
[  317.141760][ T7616]  ? user_path_at+0xd4/0x160
[  317.141783][ T7616]  ? user_path_at+0xd4/0x160
[  317.141805][ T7616]  __se_sys_mount+0x31d/0x420
[  317.141829][ T7616]  ? __pfx___se_sys_mount+0x10/0x10
[  317.141853][ T7616]  ? __x64_sys_mount+0x20/0xc0
[  317.141869][ T7616]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.141889][ T7616]  do_syscall_64+0x15f/0xf80
[  317.141911][ T7616]  ? trace_irq_disable+0x3b/0x140
[  317.141933][ T7616]  ? clear_bhb_loop+0x40/0x90
[  317.141955][ T7616]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.141973][ T7616] RIP: 0033:0x7fd0986fb60a
[  317.141991][ T7616] 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
[  317.142007][ T7616] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.142027][ T7616] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  317.142040][ T7616] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  317.142051][ T7616] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  317.142062][ T7616] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  317.142073][ T7616] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  317.142099][ T7616]  </TASK>
[  317.161275][ T7616] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.161318][ T7616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  317.234581][ T1337] ieee802154 phy0 wpan0: encryption failed: -22
[  317.234661][ T1337] ieee802154 phy1 wpan1: encryption failed: -22
[  317.763072][ T7620] loop1: detected capacity change from 0 to 32768
[  317.779065][ T7620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.779088][ T7620] CPU: 1 UID: 0 PID: 7620 Comm: syz.1.250 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  317.779109][ T7620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  317.779120][ T7620] Call Trace:
[  317.779127][ T7620]  <TASK>
[  317.779135][ T7620]  dump_stack_lvl+0xe8/0x150
[  317.779164][ T7620]  sysfs_create_dir_ns+0x271/0x2a0
[  317.779184][ T7620]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  317.779207][ T7620]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  317.779227][ T7620]  ? rt_spin_unlock+0x160/0x200
[  317.779250][ T7620]  kobject_add_internal+0x631/0xd10
[  317.779274][ T7620]  kobject_init_and_add+0x12b/0x1a0
[  317.779298][ T7620]  ? __pfx_kobject_init_and_add+0x10/0x10
[  317.779318][ T7620]  ? __raw_spin_lock_init+0x45/0x100
[  317.779343][ T7620]  ? __init_swait_queue_head+0xa9/0x150
[  317.779370][ T7620]  gfs2_sys_fs_add+0x257/0x480
[  317.779390][ T7620]  ? is_dynamic_key+0x1ac/0x1c0
[  317.779415][ T7620]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  317.779443][ T7620]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  317.779479][ T7620]  gfs2_fill_super+0x141c/0x2220
[  317.779518][ T7620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.779543][ T7620]  ? rt_spin_unlock+0x14f/0x200
[  317.779566][ T7620]  ? sb_set_blocksize+0x11b/0x210
[  317.779593][ T7620]  ? setup_bdev_super+0x4c1/0x5b0
[  317.779619][ T7620]  get_tree_bdev_flags+0x431/0x4f0
[  317.779640][ T7620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.779663][ T7620]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  317.779683][ T7620]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  317.779713][ T7620]  gfs2_get_tree+0x51/0x1e0
[  317.779748][ T7620]  vfs_get_tree+0x92/0x2a0
[  317.779773][ T7620]  do_new_mount+0x341/0xd30
[  317.779790][ T7620]  ? apparmor_capable+0x126/0x170
[  317.779819][ T7620]  ? __pfx_do_new_mount+0x10/0x10
[  317.779837][ T7620]  ? ns_capable+0x89/0xe0
[  317.779860][ T7620]  ? user_path_at+0xd4/0x160
[  317.779885][ T7620]  ? user_path_at+0xd4/0x160
[  317.779907][ T7620]  __se_sys_mount+0x31d/0x420
[  317.779932][ T7620]  ? __pfx___se_sys_mount+0x10/0x10
[  317.779955][ T7620]  ? __x64_sys_mount+0x20/0xc0
[  317.779971][ T7620]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.779992][ T7620]  do_syscall_64+0x15f/0xf80
[  317.780015][ T7620]  ? trace_irq_disable+0x3b/0x140
[  317.780036][ T7620]  ? clear_bhb_loop+0x40/0x90
[  317.780055][ T7620]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.780072][ T7620] RIP: 0033:0x7fd0986fb60a
[  317.780089][ T7620] 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
[  317.780102][ T7620] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.780121][ T7620] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  317.780134][ T7620] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  317.780147][ T7620] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  317.780159][ T7620] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  317.780170][ T7620] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  317.780195][ T7620]  </TASK>
[  317.780230][ T7620] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.780244][ T7620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.329366][ T7624] loop1: detected capacity change from 0 to 32768
[  318.344494][ T7624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.344515][ T7624] CPU: 1 UID: 0 PID: 7624 Comm: syz.1.251 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  318.344534][ T7624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  318.344545][ T7624] Call Trace:
[  318.344553][ T7624]  <TASK>
[  318.344561][ T7624]  dump_stack_lvl+0xe8/0x150
[  318.344590][ T7624]  sysfs_create_dir_ns+0x271/0x2a0
[  318.344611][ T7624]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  318.344635][ T7624]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  318.344657][ T7624]  ? rt_spin_unlock+0x160/0x200
[  318.344689][ T7624]  kobject_add_internal+0x631/0xd10
[  318.344714][ T7624]  kobject_init_and_add+0x12b/0x1a0
[  318.344737][ T7624]  ? __pfx_kobject_init_and_add+0x10/0x10
[  318.344757][ T7624]  ? __raw_spin_lock_init+0x45/0x100
[  318.344781][ T7624]  ? __init_swait_queue_head+0xa9/0x150
[  318.344805][ T7624]  gfs2_sys_fs_add+0x257/0x480
[  318.344825][ T7624]  ? is_dynamic_key+0x1ac/0x1c0
[  318.344849][ T7624]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  318.344878][ T7624]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  318.344920][ T7624]  gfs2_fill_super+0x141c/0x2220
[  318.344960][ T7624]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.344981][ T7624]  ? rt_spin_unlock+0x14f/0x200
[  318.345005][ T7624]  ? sb_set_blocksize+0x11b/0x210
[  318.345032][ T7624]  ? setup_bdev_super+0x4c1/0x5b0
[  318.345059][ T7624]  get_tree_bdev_flags+0x431/0x4f0
[  318.345081][ T7624]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.345104][ T7624]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  318.345124][ T7624]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  318.345154][ T7624]  gfs2_get_tree+0x51/0x1e0
[  318.345181][ T7624]  vfs_get_tree+0x92/0x2a0
[  318.345206][ T7624]  do_new_mount+0x341/0xd30
[  318.345223][ T7624]  ? apparmor_capable+0x126/0x170
[  318.345255][ T7624]  ? __pfx_do_new_mount+0x10/0x10
[  318.345273][ T7624]  ? ns_capable+0x89/0xe0
[  318.345297][ T7624]  ? user_path_at+0xd4/0x160
[  318.345321][ T7624]  ? user_path_at+0xd4/0x160
[  318.345342][ T7624]  __se_sys_mount+0x31d/0x420
[  318.345365][ T7624]  ? __pfx___se_sys_mount+0x10/0x10
[  318.345388][ T7624]  ? __x64_sys_mount+0x20/0xc0
[  318.345405][ T7624]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.345425][ T7624]  do_syscall_64+0x15f/0xf80
[  318.345446][ T7624]  ? trace_irq_disable+0x3b/0x140
[  318.345468][ T7624]  ? clear_bhb_loop+0x40/0x90
[  318.345489][ T7624]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.345507][ T7624] RIP: 0033:0x7fd0986fb60a
[  318.345525][ T7624] 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
[  318.345540][ T7624] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.345561][ T7624] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  318.345574][ T7624] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  318.345587][ T7624] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  318.345599][ T7624] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  318.345611][ T7624] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  318.345640][ T7624]  </TASK>
[  318.345679][ T7624] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.345700][ T7624] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.910640][ T7628] loop1: detected capacity change from 0 to 32768
[  318.926795][ T7628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.926816][ T7628] CPU: 0 UID: 0 PID: 7628 Comm: syz.1.252 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  318.926836][ T7628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  318.926846][ T7628] Call Trace:
[  318.926854][ T7628]  <TASK>
[  318.926861][ T7628]  dump_stack_lvl+0xe8/0x150
[  318.926891][ T7628]  sysfs_create_dir_ns+0x271/0x2a0
[  318.926911][ T7628]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  318.926932][ T7628]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  318.926951][ T7628]  ? rt_spin_unlock+0x160/0x200
2026/05/01 20:06:55 executed programs: 238
[  318.926972][ T7628]  kobject_add_internal+0x631/0xd10
[  318.926995][ T7628]  kobject_init_and_add+0x12b/0x1a0
[  318.927017][ T7628]  ? __pfx_kobject_init_and_add+0x10/0x10
[  318.927036][ T7628]  ? __raw_spin_lock_init+0x45/0x100
[  318.927059][ T7628]  ? __init_swait_queue_head+0xa9/0x150
[  318.927083][ T7628]  gfs2_sys_fs_add+0x257/0x480
[  318.927100][ T7628]  ? is_dynamic_key+0x1ac/0x1c0
[  318.927125][ T7628]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  318.927150][ T7628]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  318.927186][ T7628]  gfs2_fill_super+0x141c/0x2220
[  318.927222][ T7628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.927243][ T7628]  ? rt_spin_unlock+0x14f/0x200
[  318.927267][ T7628]  ? sb_set_blocksize+0x11b/0x210
[  318.927291][ T7628]  ? setup_bdev_super+0x4c1/0x5b0
[  318.927313][ T7628]  get_tree_bdev_flags+0x431/0x4f0
[  318.927335][ T7628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.927361][ T7628]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  318.927380][ T7628]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  318.927438][ T7628]  gfs2_get_tree+0x51/0x1e0
[  318.927465][ T7628]  vfs_get_tree+0x92/0x2a0
[  318.927490][ T7628]  do_new_mount+0x341/0xd30
[  318.927507][ T7628]  ? apparmor_capable+0x126/0x170
[  318.927537][ T7628]  ? __pfx_do_new_mount+0x10/0x10
[  318.927556][ T7628]  ? ns_capable+0x89/0xe0
[  318.927580][ T7628]  ? user_path_at+0xd4/0x160
[  318.927604][ T7628]  ? user_path_at+0xd4/0x160
[  318.927625][ T7628]  __se_sys_mount+0x31d/0x420
[  318.927647][ T7628]  ? __pfx___se_sys_mount+0x10/0x10
[  318.927669][ T7628]  ? __x64_sys_mount+0x20/0xc0
[  318.927686][ T7628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.927705][ T7628]  do_syscall_64+0x15f/0xf80
[  318.927725][ T7628]  ? trace_irq_disable+0x3b/0x140
[  318.927747][ T7628]  ? clear_bhb_loop+0x40/0x90
[  318.927768][ T7628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.927785][ T7628] RIP: 0033:0x7fd0986fb60a
[  318.927801][ T7628] 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
[  318.927820][ T7628] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.927839][ T7628] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  318.927852][ T7628] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  318.927865][ T7628] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  318.927876][ T7628] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  318.927888][ T7628] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  318.927914][ T7628]  </TASK>
[  318.927965][ T7628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.927980][ T7628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.489468][ T7632] loop1: detected capacity change from 0 to 32768
[  319.504620][ T7632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.504641][ T7632] CPU: 1 UID: 0 PID: 7632 Comm: syz.1.253 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  319.504662][ T7632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  319.504673][ T7632] Call Trace:
[  319.504681][ T7632]  <TASK>
[  319.504689][ T7632]  dump_stack_lvl+0xe8/0x150
[  319.504717][ T7632]  sysfs_create_dir_ns+0x271/0x2a0
[  319.504738][ T7632]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  319.504762][ T7632]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  319.504783][ T7632]  ? rt_spin_unlock+0x160/0x200
[  319.504806][ T7632]  kobject_add_internal+0x631/0xd10
[  319.504831][ T7632]  kobject_init_and_add+0x12b/0x1a0
[  319.504859][ T7632]  ? __pfx_kobject_init_and_add+0x10/0x10
[  319.504879][ T7632]  ? __raw_spin_lock_init+0x45/0x100
[  319.504902][ T7632]  ? __init_swait_queue_head+0xa9/0x150
[  319.504928][ T7632]  gfs2_sys_fs_add+0x257/0x480
[  319.504946][ T7632]  ? is_dynamic_key+0x1ac/0x1c0
[  319.504969][ T7632]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  319.504995][ T7632]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  319.505030][ T7632]  gfs2_fill_super+0x141c/0x2220
[  319.505068][ T7632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.505090][ T7632]  ? rt_spin_unlock+0x14f/0x200
[  319.505113][ T7632]  ? sb_set_blocksize+0x11b/0x210
[  319.505139][ T7632]  ? setup_bdev_super+0x4c1/0x5b0
[  319.505165][ T7632]  get_tree_bdev_flags+0x431/0x4f0
[  319.505188][ T7632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.505211][ T7632]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  319.505232][ T7632]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  319.505265][ T7632]  gfs2_get_tree+0x51/0x1e0
[  319.505292][ T7632]  vfs_get_tree+0x92/0x2a0
[  319.505317][ T7632]  do_new_mount+0x341/0xd30
[  319.505333][ T7632]  ? apparmor_capable+0x126/0x170
[  319.505373][ T7632]  ? __pfx_do_new_mount+0x10/0x10
[  319.505392][ T7632]  ? ns_capable+0x89/0xe0
[  319.505416][ T7632]  ? user_path_at+0xd4/0x160
[  319.505441][ T7632]  ? user_path_at+0xd4/0x160
[  319.505469][ T7632]  __se_sys_mount+0x31d/0x420
[  319.505494][ T7632]  ? __pfx___se_sys_mount+0x10/0x10
[  319.505518][ T7632]  ? __x64_sys_mount+0x20/0xc0
[  319.505536][ T7632]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.505556][ T7632]  do_syscall_64+0x15f/0xf80
[  319.505579][ T7632]  ? trace_irq_disable+0x3b/0x140
[  319.505602][ T7632]  ? clear_bhb_loop+0x40/0x90
[  319.505623][ T7632]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.505641][ T7632] RIP: 0033:0x7fd0986fb60a
[  319.505659][ T7632] 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
[  319.505674][ T7632] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.505694][ T7632] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  319.505708][ T7632] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  319.505720][ T7632] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  319.505733][ T7632] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  319.505745][ T7632] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  319.505775][ T7632]  </TASK>
[  319.505811][ T7632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.505826][ T7632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.064047][ T7636] loop1: detected capacity change from 0 to 32768
[  320.067080][ T7636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.067156][ T7636] CPU: 1 UID: 0 PID: 7636 Comm: syz.1.254 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  320.067177][ T7636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  320.067187][ T7636] Call Trace:
[  320.067196][ T7636]  <TASK>
[  320.067203][ T7636]  dump_stack_lvl+0xe8/0x150
[  320.067232][ T7636]  sysfs_create_dir_ns+0x271/0x2a0
[  320.067250][ T7636]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  320.067273][ T7636]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  320.067294][ T7636]  ? rt_spin_unlock+0x160/0x200
[  320.067332][ T7636]  kobject_add_internal+0x631/0xd10
[  320.067365][ T7636]  kobject_init_and_add+0x12b/0x1a0
[  320.067389][ T7636]  ? __pfx_kobject_init_and_add+0x10/0x10
[  320.067408][ T7636]  ? __raw_spin_lock_init+0x45/0x100
[  320.067432][ T7636]  ? __init_swait_queue_head+0xa9/0x150
[  320.067458][ T7636]  gfs2_sys_fs_add+0x257/0x480
[  320.067478][ T7636]  ? is_dynamic_key+0x1ac/0x1c0
[  320.067503][ T7636]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  320.067530][ T7636]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  320.067568][ T7636]  gfs2_fill_super+0x141c/0x2220
[  320.067605][ T7636]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.067626][ T7636]  ? rt_spin_unlock+0x14f/0x200
[  320.067650][ T7636]  ? sb_set_blocksize+0x11b/0x210
[  320.067676][ T7636]  ? setup_bdev_super+0x4c1/0x5b0
[  320.067701][ T7636]  get_tree_bdev_flags+0x431/0x4f0
[  320.067724][ T7636]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.067747][ T7636]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  320.067766][ T7636]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  320.067798][ T7636]  gfs2_get_tree+0x51/0x1e0
[  320.067825][ T7636]  vfs_get_tree+0x92/0x2a0
[  320.067850][ T7636]  do_new_mount+0x341/0xd30
[  320.067867][ T7636]  ? apparmor_capable+0x126/0x170
[  320.067898][ T7636]  ? __pfx_do_new_mount+0x10/0x10
[  320.067916][ T7636]  ? ns_capable+0x89/0xe0
[  320.067940][ T7636]  ? user_path_at+0xd4/0x160
[  320.067964][ T7636]  ? user_path_at+0xd4/0x160
[  320.067986][ T7636]  __se_sys_mount+0x31d/0x420
[  320.068010][ T7636]  ? __pfx___se_sys_mount+0x10/0x10
[  320.068031][ T7636]  ? __x64_sys_mount+0x20/0xc0
[  320.068052][ T7636]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.068072][ T7636]  do_syscall_64+0x15f/0xf80
[  320.068094][ T7636]  ? trace_irq_disable+0x3b/0x140
[  320.068117][ T7636]  ? clear_bhb_loop+0x40/0x90
[  320.068139][ T7636]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.068157][ T7636] RIP: 0033:0x7fd0986fb60a
[  320.068174][ T7636] 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
[  320.068189][ T7636] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.068209][ T7636] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  320.068222][ T7636] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  320.068235][ T7636] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  320.068247][ T7636] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  320.068260][ T7636] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  320.068289][ T7636]  </TASK>
[  320.068516][ T7636] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.068532][ T7636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.638331][ T7640] loop1: detected capacity change from 0 to 32768
[  320.649536][ T7640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.649557][ T7640] CPU: 1 UID: 0 PID: 7640 Comm: syz.1.255 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  320.649577][ T7640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  320.649589][ T7640] Call Trace:
[  320.649596][ T7640]  <TASK>
[  320.649604][ T7640]  dump_stack_lvl+0xe8/0x150
[  320.649633][ T7640]  sysfs_create_dir_ns+0x271/0x2a0
[  320.649653][ T7640]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  320.649676][ T7640]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  320.649698][ T7640]  ? rt_spin_unlock+0x160/0x200
[  320.649719][ T7640]  kobject_add_internal+0x631/0xd10
[  320.649744][ T7640]  kobject_init_and_add+0x12b/0x1a0
[  320.649768][ T7640]  ? __pfx_kobject_init_and_add+0x10/0x10
[  320.649788][ T7640]  ? __raw_spin_lock_init+0x45/0x100
[  320.649812][ T7640]  ? __init_swait_queue_head+0xa9/0x150
[  320.649840][ T7640]  gfs2_sys_fs_add+0x257/0x480
[  320.649859][ T7640]  ? is_dynamic_key+0x1ac/0x1c0
[  320.649885][ T7640]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  320.649911][ T7640]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  320.649954][ T7640]  gfs2_fill_super+0x141c/0x2220
[  320.649992][ T7640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.650013][ T7640]  ? rt_spin_unlock+0x14f/0x200
[  320.650036][ T7640]  ? sb_set_blocksize+0x11b/0x210
[  320.650063][ T7640]  ? setup_bdev_super+0x4c1/0x5b0
[  320.650088][ T7640]  get_tree_bdev_flags+0x431/0x4f0
[  320.650110][ T7640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.650134][ T7640]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  320.650154][ T7640]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  320.650186][ T7640]  gfs2_get_tree+0x51/0x1e0
[  320.650213][ T7640]  vfs_get_tree+0x92/0x2a0
[  320.650237][ T7640]  do_new_mount+0x341/0xd30
[  320.650253][ T7640]  ? apparmor_capable+0x126/0x170
[  320.650296][ T7640]  ? __pfx_do_new_mount+0x10/0x10
[  320.650314][ T7640]  ? ns_capable+0x89/0xe0
[  320.650338][ T7640]  ? user_path_at+0xd4/0x160
[  320.650363][ T7640]  ? user_path_at+0xd4/0x160
[  320.650384][ T7640]  __se_sys_mount+0x31d/0x420
[  320.650408][ T7640]  ? __pfx___se_sys_mount+0x10/0x10
[  320.650432][ T7640]  ? __x64_sys_mount+0x20/0xc0
[  320.650448][ T7640]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.650468][ T7640]  do_syscall_64+0x15f/0xf80
[  320.650491][ T7640]  ? trace_irq_disable+0x3b/0x140
[  320.650515][ T7640]  ? clear_bhb_loop+0x40/0x90
[  320.650537][ T7640]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.650555][ T7640] RIP: 0033:0x7fd0986fb60a
[  320.650573][ T7640] 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
[  320.650594][ T7640] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.650614][ T7640] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  320.650628][ T7640] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  320.650641][ T7640] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  320.650652][ T7640] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  320.650664][ T7640] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  320.650691][ T7640]  </TASK>
[  320.650730][ T7640] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.650745][ T7640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.246167][ T7644] loop1: detected capacity change from 0 to 32768
[  321.258055][ T7644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.258075][ T7644] CPU: 0 UID: 0 PID: 7644 Comm: syz.1.256 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  321.258095][ T7644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  321.258106][ T7644] Call Trace:
[  321.258113][ T7644]  <TASK>
[  321.258121][ T7644]  dump_stack_lvl+0xe8/0x150
[  321.258149][ T7644]  sysfs_create_dir_ns+0x271/0x2a0
[  321.258169][ T7644]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  321.258192][ T7644]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  321.258214][ T7644]  ? rt_spin_unlock+0x160/0x200
[  321.258236][ T7644]  kobject_add_internal+0x631/0xd10
[  321.258262][ T7644]  kobject_init_and_add+0x12b/0x1a0
[  321.258286][ T7644]  ? __pfx_kobject_init_and_add+0x10/0x10
[  321.258305][ T7644]  ? __raw_spin_lock_init+0x45/0x100
[  321.258328][ T7644]  ? __init_swait_queue_head+0xa9/0x150
[  321.258354][ T7644]  gfs2_sys_fs_add+0x257/0x480
[  321.258373][ T7644]  ? is_dynamic_key+0x1ac/0x1c0
[  321.258397][ T7644]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  321.258424][ T7644]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  321.258463][ T7644]  gfs2_fill_super+0x141c/0x2220
[  321.258503][ T7644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.258524][ T7644]  ? rt_spin_unlock+0x14f/0x200
[  321.258548][ T7644]  ? sb_set_blocksize+0x11b/0x210
[  321.258582][ T7644]  ? setup_bdev_super+0x4c1/0x5b0
[  321.258609][ T7644]  get_tree_bdev_flags+0x431/0x4f0
[  321.258632][ T7644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.258656][ T7644]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  321.258675][ T7644]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  321.258708][ T7644]  gfs2_get_tree+0x51/0x1e0
[  321.258735][ T7644]  vfs_get_tree+0x92/0x2a0
[  321.258760][ T7644]  do_new_mount+0x341/0xd30
[  321.258776][ T7644]  ? apparmor_capable+0x126/0x170
[  321.258802][ T7644]  ? __pfx_do_new_mount+0x10/0x10
[  321.258818][ T7644]  ? ns_capable+0x89/0xe0
[  321.258841][ T7644]  ? user_path_at+0xd4/0x160
[  321.258863][ T7644]  ? user_path_at+0xd4/0x160
[  321.258882][ T7644]  __se_sys_mount+0x31d/0x420
[  321.258906][ T7644]  ? __pfx___se_sys_mount+0x10/0x10
[  321.258931][ T7644]  ? __x64_sys_mount+0x20/0xc0
[  321.258948][ T7644]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.258966][ T7644]  do_syscall_64+0x15f/0xf80
[  321.258987][ T7644]  ? trace_irq_disable+0x3b/0x140
[  321.259008][ T7644]  ? clear_bhb_loop+0x40/0x90
[  321.259028][ T7644]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.259045][ T7644] RIP: 0033:0x7fd0986fb60a
[  321.259062][ T7644] 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
[  321.259077][ T7644] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.259096][ T7644] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  321.259110][ T7644] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  321.259122][ T7644] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  321.259131][ T7644] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  321.259141][ T7644] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  321.259168][ T7644]  </TASK>
[  321.259193][ T7644] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.259206][ T7644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.804514][ T7648] loop1: detected capacity change from 0 to 32768
[  321.810756][ T7648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.810777][ T7648] CPU: 1 UID: 0 PID: 7648 Comm: syz.1.257 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  321.810798][ T7648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  321.810809][ T7648] Call Trace:
[  321.810817][ T7648]  <TASK>
[  321.810825][ T7648]  dump_stack_lvl+0xe8/0x150
[  321.810853][ T7648]  sysfs_create_dir_ns+0x271/0x2a0
[  321.810874][ T7648]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  321.810896][ T7648]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  321.810919][ T7648]  ? rt_spin_unlock+0x160/0x200
[  321.810943][ T7648]  kobject_add_internal+0x631/0xd10
[  321.810969][ T7648]  kobject_init_and_add+0x12b/0x1a0
[  321.810993][ T7648]  ? __pfx_kobject_init_and_add+0x10/0x10
[  321.811013][ T7648]  ? __raw_spin_lock_init+0x45/0x100
[  321.811038][ T7648]  ? __init_swait_queue_head+0xa9/0x150
[  321.811064][ T7648]  gfs2_sys_fs_add+0x257/0x480
[  321.811083][ T7648]  ? is_dynamic_key+0x1ac/0x1c0
[  321.811108][ T7648]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  321.811139][ T7648]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  321.811174][ T7648]  gfs2_fill_super+0x141c/0x2220
[  321.811211][ T7648]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.811231][ T7648]  ? rt_spin_unlock+0x14f/0x200
[  321.811255][ T7648]  ? sb_set_blocksize+0x11b/0x210
[  321.811280][ T7648]  ? setup_bdev_super+0x4c1/0x5b0
[  321.811314][ T7648]  get_tree_bdev_flags+0x431/0x4f0
[  321.811337][ T7648]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.811362][ T7648]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  321.811382][ T7648]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  321.811414][ T7648]  gfs2_get_tree+0x51/0x1e0
[  321.811441][ T7648]  vfs_get_tree+0x92/0x2a0
[  321.811466][ T7648]  do_new_mount+0x341/0xd30
[  321.811483][ T7648]  ? apparmor_capable+0x126/0x170
[  321.811515][ T7648]  ? __pfx_do_new_mount+0x10/0x10
[  321.811533][ T7648]  ? ns_capable+0x89/0xe0
[  321.811557][ T7648]  ? user_path_at+0xd4/0x160
[  321.811582][ T7648]  ? user_path_at+0xd4/0x160
[  321.811604][ T7648]  __se_sys_mount+0x31d/0x420
[  321.811629][ T7648]  ? __pfx___se_sys_mount+0x10/0x10
[  321.811653][ T7648]  ? __x64_sys_mount+0x20/0xc0
[  321.811672][ T7648]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.811692][ T7648]  do_syscall_64+0x15f/0xf80
[  321.811714][ T7648]  ? trace_irq_disable+0x3b/0x140
[  321.811737][ T7648]  ? clear_bhb_loop+0x40/0x90
[  321.811760][ T7648]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.811778][ T7648] RIP: 0033:0x7fd0986fb60a
[  321.811796][ T7648] 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
[  321.811812][ T7648] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.811832][ T7648] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  321.811845][ T7648] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  321.811858][ T7648] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  321.811870][ T7648] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  321.811882][ T7648] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  321.811911][ T7648]  </TASK>
[  321.818885][ T7648] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.818906][ T7648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.367388][ T7652] loop1: detected capacity change from 0 to 32768
[  322.380972][ T7652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.380993][ T7652] CPU: 1 UID: 0 PID: 7652 Comm: syz.1.258 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  322.381014][ T7652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  322.381025][ T7652] Call Trace:
[  322.381033][ T7652]  <TASK>
[  322.381041][ T7652]  dump_stack_lvl+0xe8/0x150
[  322.381070][ T7652]  sysfs_create_dir_ns+0x271/0x2a0
[  322.381090][ T7652]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  322.381113][ T7652]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  322.381137][ T7652]  ? rt_spin_unlock+0x160/0x200
[  322.381157][ T7652]  kobject_add_internal+0x631/0xd10
[  322.381188][ T7652]  kobject_init_and_add+0x12b/0x1a0
[  322.381211][ T7652]  ? __pfx_kobject_init_and_add+0x10/0x10
[  322.381229][ T7652]  ? __raw_spin_lock_init+0x45/0x100
[  322.381253][ T7652]  ? __init_swait_queue_head+0xa9/0x150
[  322.381278][ T7652]  gfs2_sys_fs_add+0x257/0x480
[  322.381297][ T7652]  ? is_dynamic_key+0x1ac/0x1c0
[  322.381322][ T7652]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  322.381351][ T7652]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  322.381396][ T7652]  gfs2_fill_super+0x141c/0x2220
[  322.381434][ T7652]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.381456][ T7652]  ? rt_spin_unlock+0x14f/0x200
[  322.381480][ T7652]  ? sb_set_blocksize+0x11b/0x210
[  322.381506][ T7652]  ? setup_bdev_super+0x4c1/0x5b0
[  322.381533][ T7652]  get_tree_bdev_flags+0x431/0x4f0
[  322.381555][ T7652]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.381579][ T7652]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  322.381599][ T7652]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  322.381632][ T7652]  gfs2_get_tree+0x51/0x1e0
[  322.381659][ T7652]  vfs_get_tree+0x92/0x2a0
[  322.381683][ T7652]  do_new_mount+0x341/0xd30
[  322.381700][ T7652]  ? apparmor_capable+0x126/0x170
[  322.381729][ T7652]  ? __pfx_do_new_mount+0x10/0x10
[  322.381744][ T7652]  ? ns_capable+0x89/0xe0
[  322.381763][ T7652]  ? user_path_at+0xd4/0x160
[  322.381781][ T7652]  ? user_path_at+0xd4/0x160
[  322.381797][ T7652]  __se_sys_mount+0x31d/0x420
[  322.381816][ T7652]  ? __pfx___se_sys_mount+0x10/0x10
[  322.381834][ T7652]  ? __x64_sys_mount+0x20/0xc0
[  322.381847][ T7652]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.381863][ T7652]  do_syscall_64+0x15f/0xf80
[  322.381881][ T7652]  ? trace_irq_disable+0x3b/0x140
[  322.381899][ T7652]  ? clear_bhb_loop+0x40/0x90
[  322.381916][ T7652]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.381931][ T7652] RIP: 0033:0x7fd0986fb60a
[  322.381947][ T7652] 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
[  322.381961][ T7652] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.381980][ T7652] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  322.381993][ T7652] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  322.382006][ T7652] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  322.382017][ T7652] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  322.382028][ T7652] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  322.382056][ T7652]  </TASK>
[  322.390486][ T7652] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.390506][ T7652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.926685][ T7656] loop1: detected capacity change from 0 to 32768
[  322.938314][ T7656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.938336][ T7656] CPU: 0 UID: 0 PID: 7656 Comm: syz.1.259 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  322.938356][ T7656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  322.938367][ T7656] Call Trace:
[  322.938375][ T7656]  <TASK>
[  322.938382][ T7656]  dump_stack_lvl+0xe8/0x150
[  322.938410][ T7656]  sysfs_create_dir_ns+0x271/0x2a0
[  322.938430][ T7656]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  322.938452][ T7656]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  322.938473][ T7656]  ? rt_spin_unlock+0x160/0x200
[  322.938495][ T7656]  kobject_add_internal+0x631/0xd10
[  322.938521][ T7656]  kobject_init_and_add+0x12b/0x1a0
[  322.938543][ T7656]  ? __pfx_kobject_init_and_add+0x10/0x10
[  322.938563][ T7656]  ? __raw_spin_lock_init+0x45/0x100
[  322.938586][ T7656]  ? __init_swait_queue_head+0xa9/0x150
[  322.938612][ T7656]  gfs2_sys_fs_add+0x257/0x480
[  322.938633][ T7656]  ? is_dynamic_key+0x1ac/0x1c0
[  322.938657][ T7656]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  322.938685][ T7656]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  322.938722][ T7656]  gfs2_fill_super+0x141c/0x2220
[  322.938760][ T7656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.938781][ T7656]  ? rt_spin_unlock+0x14f/0x200
[  322.938804][ T7656]  ? sb_set_blocksize+0x11b/0x210
[  322.938831][ T7656]  ? setup_bdev_super+0x4c1/0x5b0
[  322.938857][ T7656]  get_tree_bdev_flags+0x431/0x4f0
[  322.938878][ T7656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.938901][ T7656]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  322.938921][ T7656]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  322.938952][ T7656]  gfs2_get_tree+0x51/0x1e0
[  322.938979][ T7656]  vfs_get_tree+0x92/0x2a0
[  322.939003][ T7656]  do_new_mount+0x341/0xd30
[  322.939019][ T7656]  ? apparmor_capable+0x126/0x170
[  322.939055][ T7656]  ? __pfx_do_new_mount+0x10/0x10
[  322.939072][ T7656]  ? ns_capable+0x89/0xe0
[  322.939098][ T7656]  ? user_path_at+0xd4/0x160
[  322.939131][ T7656]  ? user_path_at+0xd4/0x160
[  322.939152][ T7656]  __se_sys_mount+0x31d/0x420
[  322.939175][ T7656]  ? __pfx___se_sys_mount+0x10/0x10
[  322.939200][ T7656]  ? __x64_sys_mount+0x20/0xc0
[  322.939217][ T7656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.939237][ T7656]  do_syscall_64+0x15f/0xf80
[  322.939259][ T7656]  ? trace_irq_disable+0x3b/0x140
[  322.939281][ T7656]  ? clear_bhb_loop+0x40/0x90
[  322.939302][ T7656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.939320][ T7656] RIP: 0033:0x7fd0986fb60a
[  322.939338][ T7656] 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
[  322.939354][ T7656] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.939373][ T7656] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  322.939387][ T7656] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  322.939399][ T7656] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  322.939411][ T7656] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  322.939424][ T7656] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  322.939452][ T7656]  </TASK>
[  322.939491][ T7656] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.939506][ T7656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  323.522443][ T7660] loop1: detected capacity change from 0 to 32768
[  323.527555][ T7660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.527576][ T7660] CPU: 1 UID: 0 PID: 7660 Comm: syz.1.260 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  323.527596][ T7660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  323.527607][ T7660] Call Trace:
[  323.527619][ T7660]  <TASK>
[  323.527627][ T7660]  dump_stack_lvl+0xe8/0x150
[  323.527655][ T7660]  sysfs_create_dir_ns+0x271/0x2a0
[  323.527676][ T7660]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  323.527704][ T7660]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  323.527725][ T7660]  ? rt_spin_unlock+0x160/0x200
[  323.527748][ T7660]  kobject_add_internal+0x631/0xd10
[  323.527774][ T7660]  kobject_init_and_add+0x12b/0x1a0
[  323.527796][ T7660]  ? __pfx_kobject_init_and_add+0x10/0x10
[  323.527817][ T7660]  ? __raw_spin_lock_init+0x45/0x100
[  323.527842][ T7660]  ? __init_swait_queue_head+0xa9/0x150
[  323.527869][ T7660]  gfs2_sys_fs_add+0x257/0x480
[  323.527889][ T7660]  ? is_dynamic_key+0x1ac/0x1c0
[  323.527914][ T7660]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  323.527942][ T7660]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  323.527980][ T7660]  gfs2_fill_super+0x141c/0x2220
[  323.528023][ T7660]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.528044][ T7660]  ? rt_spin_unlock+0x14f/0x200
[  323.528068][ T7660]  ? sb_set_blocksize+0x11b/0x210
[  323.528094][ T7660]  ? setup_bdev_super+0x4c1/0x5b0
[  323.528121][ T7660]  get_tree_bdev_flags+0x431/0x4f0
[  323.528144][ T7660]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.528165][ T7660]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  323.528190][ T7660]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  323.528219][ T7660]  gfs2_get_tree+0x51/0x1e0
[  323.528245][ T7660]  vfs_get_tree+0x92/0x2a0
[  323.528267][ T7660]  do_new_mount+0x341/0xd30
[  323.528285][ T7660]  ? apparmor_capable+0x126/0x170
[  323.528314][ T7660]  ? __pfx_do_new_mount+0x10/0x10
[  323.528331][ T7660]  ? ns_capable+0x89/0xe0
[  323.528353][ T7660]  ? user_path_at+0xd4/0x160
[  323.528375][ T7660]  ? user_path_at+0xd4/0x160
[  323.528394][ T7660]  __se_sys_mount+0x31d/0x420
[  323.528416][ T7660]  ? __pfx___se_sys_mount+0x10/0x10
[  323.528438][ T7660]  ? __x64_sys_mount+0x20/0xc0
[  323.528455][ T7660]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.528474][ T7660]  do_syscall_64+0x15f/0xf80
[  323.528495][ T7660]  ? trace_irq_disable+0x3b/0x140
[  323.528515][ T7660]  ? clear_bhb_loop+0x40/0x90
[  323.528533][ T7660]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.528550][ T7660] RIP: 0033:0x7fd0986fb60a
[  323.528567][ T7660] 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
[  323.528581][ T7660] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.528600][ T7660] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  323.528612][ T7660] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  323.528625][ T7660] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  323.528637][ T7660] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  323.528649][ T7660] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  323.528676][ T7660]  </TASK>
[  323.528960][ T7660] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  323.528979][ T7660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.084361][ T7664] loop1: detected capacity change from 0 to 32768
[  324.097528][ T7664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.097550][ T7664] CPU: 1 UID: 0 PID: 7664 Comm: syz.1.261 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  324.097570][ T7664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  324.097581][ T7664] Call Trace:
[  324.097588][ T7664]  <TASK>
[  324.097595][ T7664]  dump_stack_lvl+0xe8/0x150
2026/05/01 20:07:00 executed programs: 247
[  324.097623][ T7664]  sysfs_create_dir_ns+0x271/0x2a0
[  324.097643][ T7664]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  324.097666][ T7664]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  324.097687][ T7664]  ? rt_spin_unlock+0x160/0x200
[  324.097709][ T7664]  kobject_add_internal+0x631/0xd10
[  324.097734][ T7664]  kobject_init_and_add+0x12b/0x1a0
[  324.097757][ T7664]  ? __pfx_kobject_init_and_add+0x10/0x10
[  324.097776][ T7664]  ? __raw_spin_lock_init+0x45/0x100
[  324.097800][ T7664]  ? __init_swait_queue_head+0xa9/0x150
[  324.097824][ T7664]  gfs2_sys_fs_add+0x257/0x480
[  324.097843][ T7664]  ? is_dynamic_key+0x1ac/0x1c0
[  324.097868][ T7664]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  324.097895][ T7664]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  324.097931][ T7664]  gfs2_fill_super+0x141c/0x2220
[  324.097969][ T7664]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.097990][ T7664]  ? rt_spin_unlock+0x14f/0x200
[  324.098011][ T7664]  ? sb_set_blocksize+0x11b/0x210
[  324.098043][ T7664]  ? setup_bdev_super+0x4c1/0x5b0
[  324.098065][ T7664]  get_tree_bdev_flags+0x431/0x4f0
[  324.098085][ T7664]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.098107][ T7664]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  324.098126][ T7664]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  324.098156][ T7664]  gfs2_get_tree+0x51/0x1e0
[  324.098180][ T7664]  vfs_get_tree+0x92/0x2a0
[  324.098200][ T7664]  do_new_mount+0x341/0xd30
[  324.098215][ T7664]  ? apparmor_capable+0x126/0x170
[  324.098242][ T7664]  ? __pfx_do_new_mount+0x10/0x10
[  324.098258][ [  324.098258][ T7664]  ? ns_capable+0x89/0xe0
[  324.098281][ T7664]  ? user_path_at+0xd4/0x160
[  324.098303][ T7664]  ? user_path_at+0xd4/0x160
[  324.098323][ T7664]  __se_sys_mount+0x31d/0x420
[  324.098346][ T7664]  ? __pfx___se_sys_mount+0x10/0x10
[  324.098371][ T7664]  ? __x64_sys_mount+0x20/0xc0
[  324.098389][ T7664]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.098407][ T7664]  do_syscall_64+0x15f/0xf80
[  324.098429][ T7664]  ? trace_irq_disable+0x3b/0x140
[  324.098450][ T7664]  ? clear_bhb_loop+0x40/0x90
[  324.098470][ T7664]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.098487][ T7664] RIP: 0033:0x7fd0986fb60a
[  324.098504][ T7664] 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
[  324.098518][ T7664] RSP: 002b:00007fd097d5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.098537][ T7664] RAX: ffffffffffffffda RBX: 00007fd097d5dee0 RCX: 00007fd0986fb60a
[  324.098549][ T7664] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd097d5dea0
[  324.098560][ T7664] RBP: 000020000001f680 R08: 00007fd097d5dee0 R09: 0000000000000094
[  324.098570][ T7664] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  324.098582][ T7664] R13: 00007fd097d5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  324.098608][ T7664]  </TASK>
[  324.098634][ T7664] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.098647][ T7664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.273302][   T38] INFO: task kworker/0:0:9 blocked in I/O wait for more than 143 seconds.
[  324.273326][   T38]       Not tainted syzkaller #0
[  324.273336][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  324.273361][   T38] task:kworker/0:0     state:D stack:22208 pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00080000
[  324.273406][   T38] Workqueue: gfs2_recovery gfs2_recover_func
[  324.273439][   T38] Call Trace:
[  324.273446][   T38]  <TASK>
[  324.273459][   T38]  __schedule+0x169e/0x54f0
[  324.273487][   T38]  ? __lock_acquire+0x6b5/0x2d10
[  324.273521][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  324.273557][   T38]  ? __pfx___schedule+0x10/0x10
[  324.273590][   T38]  ? schedule+0x90/0x360
[  324.273615][   T38]  schedule+0x164/0x360
[  324.273640][   T38]  io_schedule+0x7f/0xd0
[  324.273664][   T38]  folio_wait_bit_common+0x6dd/0xbc0
[  324.273704][   T38]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  324.273728][   T38]  ? __pfx_wake_page_function+0x10/0x10
[  324.273749][   T38]  ? __get_log_header+0x2a3/0x630
[  324.273777][   T38]  ? __filemap_get_folio_mpol+0x6fa/0xa50
[  324.273806][   T38]  gfs2_jhead_process_page+0x175/0x670
[  324.273835][   T38]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  324.273871][   T38]  gfs2_find_jhead+0xbd2/0xd30
[  324.273912][   T38]  gfs2_recover_func+0x6cf/0x1f60
[  324.273959][   T38]  ? __pfx_gfs2_recover_func+0x10/0x10
[  324.273989][   T38]  ? __lock_acquire+0x6b5/0x2d10
[  324.274012][   T38]  ? look_up_lock_class+0x57/0x110
[  324.274037][   T38]  ? register_lock_class+0x31/0x2e0
[  324.274066][   T38]  ? __lock_acquire+0x6b5/0x2d10
[  324.274100][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  324.274129][   T38]  ? process_one_work+0x8b7/0x1710
[  324.274163][   T38]  ? process_one_work+0x8b7/0x1710
[  324.274183][   T38]  process_one_work+0x9a3/0x1710
[  324.274223][   T38]  ? __pfx_process_one_work+0x10/0x10
[  324.274243][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  324.274278][   T38]  worker_thread+0xba8/0x11e0
[  324.274323][   T38]  kthread+0x388/0x470
[  324.274356][   T38]  ? __pfx_worker_thread+0x10/0x10
[  324.274396][   T38]  ? __pfx_kthread+0x10/0x10
[  324.274422][   T38]  ret_from_fork+0x514/0xb70
[  324.274448][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  324.274470][   T38]  ? __switch_to+0xc79/0x1410
[  324.274490][   T38]  ? __pfx_kthread+0x10/0x10
[  324.274513][   T38]  ret_from_fork_asm+0x1a/0x30
[  324.274549][   T38]  </TASK>
[  324.274714][   T38] INFO: task syz.0.18:6638 blocked for more than 143 seconds.
[  324.274758][   T38]       Not tainted syzkaller #0
[  324.274768][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  324.274776][   T38] task:syz.0.18        state:D stack:24664 pid:6638  tgid:6637  ppid:6475   task_flags:0x400140 flags:0x00080002
[  324.274820][   T38] Call Trace:
[  324.274828][   T38]  <TASK>
[  324.274838][   T38]  __schedule+0x169e/0x54f0
[  324.274865][   T38]  ? __lock_acquire+0x6b5/0x2d10
[  324.274898][   T38]  ? do_raw_spin_lock+0x12b/0x2f0
[  324.274933][   T38]  ? __pfx___schedule+0x10/0x10
[  324.274964][   T38]  ? schedule+0x90/0x360
[  324.274988][   T38]  schedule+0x164/0x360
[  324.275014][   T38]  bit_wait+0x11/0xd0
[  324.275037][   T38]  __wait_on_bit+0xb9/0x300
[  324.275063][   T38]  ? __pfx_bit_wait+0x10/0x10
[  324.275089][   T38]  out_of_line_wait_on_bit+0x13b/0x190
[  324.275114][   T38]  ? __pfx_bit_wait+0x10/0x10
[  324.275137][   T38]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  324.275163][   T38]  ? __pfx_wake_bit_function+0x10/0x10
[  324.275196][   T38]  gfs2_recover_journal+0xda/0x140
[  324.275228][   T38]  init_journal+0x16ad/0x2280
[  324.275262][   T38]  ? init_inodes+0xdb/0x320
[  324.275290][   T38]  ? __pfx_init_journal+0x10/0x10
[  324.275325][   T38]  ? snprintf+0xe8/0x140
[  324.275352][   T38]  ? init_inodes+0xdb/0x320
[  324.275375][   T38]  ? __pfx_snprintf+0x10/0x10
[  324.275395][   T38]  ? gfs2_glock_nq_num+0x13d/0x170
[  324.275416][   T38]  init_inodes+0xdb/0x320
[  324.275442][   T38]  gfs2_fill_super+0x1a92/0x2220
[  324.275484][   T38]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.275506][   T38]  ? rt_spin_unlock+0x14f/0x200
[  324.275529][   T38]  ? init_locking+0xb8/0x210
[  324.275551][   T38]  ? sb_set_blocksize+0x11b/0x210
[  324.275577][   T38]  ? setup_bdev_super+0x4c1/0x5b0
[  324.275604][   T38]  get_tree_bdev_flags+0x431/0x4f0
[  324.275626][   T38]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.275650][   T38]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  324.275671][   T38]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  324.275702][   T38]  gfs2_get_tree+0x51/0x1e0
[  324.275729][   T38]  vfs_get_tree+0x92/0x2a0
[  324.275752][   T38]  do_new_mount+0x341/0xd30
[  324.275770][   T38]  ? apparmor_capable+0x126/0x170
[  324.275800][   T38]  ? __pfx_do_new_mount+0x10/0x10
[  324.275817][   T38]  ? ns_capable+0x89/0xe0
[  324.275842][   T38]  ? user_path_at+0xd4/0x160
[  324.275867][   T38]  ? user_path_at+0xd4/0x160
[  324.275888][   T38]  __se_sys_mount+0x31d/0x420
[  324.275911][   T38]  ? __pfx___se_sys_mount+0x10/0x10
[  324.275936][   T38]  ? __x64_sys_mount+0x20/0xc0
[  324.275952][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.275970][   T38]  do_syscall_64+0x15f/0xf80
[  324.275994][   T38]  ? trace_irq_disable+0x3b/0x140
[  324.276017][   T38]  ? clear_bhb_loop+0x40/0x90
[  324.276039][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.276057][   T38] RIP: 0033:0x7fa05a8fb60a
[  324.276074][   T38] RSP: 002b:00007fa059f5de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.276093][   T38] RAX: ffffffffffffffda RBX: 00007fa059f5dee0 RCX: 00007fa05a8fb60a
[  324.276108][   T38] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fa059f5dea0
[  324.276121][   T38] RBP: 000020000001f680 R08: 00007fa059f5dee0 R09: 0000000000000094
[  324.276134][   T38] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  324.276146][   T38] R13: 00007fa059f5dea0 R14: 000000000001f790 R15: 00002000000001c0
[  324.276176][   T38]  </TASK>
[  324.276202][   T38] 
[  324.276202][   T38] Showing all locks held in the system:
[  324.276211][   T38] 2 locks held by kworker/0:0/9:
[  324.276221][   T38]  #0: ffff88801eb4ed38 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[  324.276267][   T38]  #1: ffffc900000e7c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[  324.276312][   T38] 4 locks held by pr/legacy/17:
[  324.276322][   T38]  #0: ffffffff8dfba420 (console_lock){+.+.}-{0:0}, at: legacy_kthread_func+0x1a3/0x250
[  324.276373][   T38]  #1: ffffffff8dea1d18 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfa/0xb90
[  324.276418][   T38]  #2: ffffffff99b66878 (&port_lock_key){+.+.}-{3:3}, at: serial8250_console_write+0x179/0x1b90
[  324.276464][   T38]  #3: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[  324.276509][   T38] 1 lock held by khungtaskd/38:
[  324.276519][   T38]  #0: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  324.276589][   T38] 2 locks held by getty/5365:
[  324.276599][   T38]  #0: ffff888035a000a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  324.276642][   T38]  #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[  324.276693][   T38] 1 lock held by syz.0.18/6638:
[  324.276703][   T38]  #0: ffff888029a1c0d0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xac0
[  324.276753][   T38] 1 lock held by syz-executor/6647:
[  324.276763][   T38]  #0: ffffffff8dc0a0a8 (tasklist_lock){++++}-{3:3}, at: __do_wait+0xe1/0x740
[  324.276802][   T38] 1 lock held by udevd/7346:
[  324.276811][   T38]  #0: ffff8880387feb78 (&sb->s_type->i_lock_key){+.+.}-{3:3}, at: filemap_remove_folio+0xe4/0x3b0
[  324.276854][   T38] 3 locks held by syz-executor/7667:
[  324.276863][   T38]  #0: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: __se_sys_setpgid+0x121/0x790
[  324.276906][   T38]  #1: ffffffff8dc0a0a8 (tasklist_lock){++++}-{3:3}, at: __se_sys_setpgid+0x1ed/0x790
[  324.276950][   T38]  #2: ffffffff8dfc8180 (rcu_read_lock){....}-{1:3}, at: rt_write_lock+0x86/0x220
[  324.276991][   T38] 
[  324.276995][   T38] =============================================
[  324.276995][   T38] 
[  324.277013][   T38] NMI backtrace for cpu 1
[  324.277026][   T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  324.277045][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  324.277055][   T38] Call Trace:
[  324.277063][   T38]  <TASK>
[  324.277070][   T38]  dump_stack_lvl+0xe8/0x150
[  324.277092][   T38]  nmi_cpu_backtrace+0x274/0x2d0
[  324.277112][   T38]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  324.277136][   T38]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  324.277158][   T38]  sys_info+0x135/0x170
[  324.277175][   T38]  watchdog+0xfd3/0x1030
[  324.277202][   T38]  ? watchdog+0x1c9/0x1030
[  324.277228][   T38]  kthread+0x388/0x470
[  324.277252][   T38]  ? __pfx_watchdog+0x10/0x10
[  324.277271][   T38]  ? __pfx_kthread+0x10/0x10
[  324.277295][   T38]  ret_from_fork+0x514/0xb70
[  324.277318][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  324.277345][   T38]  ? __switch_to+0xc79/0x1410
[  324.277365][   T38]  ? __pfx_kthread+0x10/0x10
[  324.277389][   T38]  ret_from_fork_asm+0x1a/0x30
[  324.277425][   T38]  </TASK>
[  324.277431][   T38] Sending NMI from CPU 1 to CPUs 0:
[  324.277465][    C0] NMI backtrace for cpu 0
[  324.277478][    C0] CPU: 0 UID: 0 PID: 17 Comm: pr/legacy Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  324.277497][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  324.277506][    C0] RIP: 0010:io_serial_in+0x77/0xc0
[  324.277528][    C0] Code: e8 7e dc 86 fc 44 89 f9 d3 e3 49 83 ee 80 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 2f 66 f0 fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f e9 9a 3f ed 05 cc 44 89 f9 80 e1 07
[  324.277541][    C0] RSP: 0018:ffffc900001679d0 EFLAGS: 00000202
[  324.277555][    C0] RAX: 1ffffffff336cd00 RBX: 00000000000003fd RCX: 0000000000000000
[  324.277566][    C0] RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000000
[  324.277576][    C0] RBP: ffffffff99b66b30 R08: 0000000000000000 R09: 0000000000000000
[  324.277586][    C0] R10: dffffc0000000000 R11: ffffffff853dba80 R12: dffffc0000000000
[  324.277598][    C0] R13: 0000000000000000 R14: ffffffff99b668a0 R15: 0000000000000000
[  324.277608][    C0] FS:  0000000000000000(0000) GS:ffff888125f2a000(0000) knlGS:0000000000000000
[  324.277621][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  324.277632][    C0] CR2: 00007fd0985c8d68 CR3: 0000000038a4a000 CR4: 00000000003526f0
[  324.277646][    C0] Call Trace:
[  324.277653][    C0]  <TASK>
[  324.277660][    C0]  wait_for_lsr+0x1aa/0x2f0
[  324.277683][    C0]  serial8250_console_write+0x1391/0x1b90
[  324.277709][    C0]  ? __pfx_serial8250_console_write+0x10/0x10
[  324.277728][    C0]  ? console_flush_one_record+0xfa/0xb90
[  324.277750][    C0]  ? console_flush_one_record+0x48f/0xb90
[  324.277772][    C0]  console_flush_one_record+0x68b/0xb90
[  324.277794][    C0]  ? console_flush_one_record+0xfa/0xb90
[  324.277815][    C0]  ? __pfx_console_flush_one_record+0x10/0x10
[  324.277836][    C0]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  324.277858][    C0]  legacy_kthread_func+0x1b6/0x250
[  324.277879][    C0]  ? __pfx_legacy_kthread_func+0x10/0x10
[  324.277898][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
[  324.277918][    C0]  ? __kthread_parkme+0x7a/0x1f0
[  324.277939][    C0]  kthread+0x388/0x470
[  324.277959][    C0]  ? __pfx_legacy_kthread_func+0x10/0x10
[  324.277976][    C0]  ? __pfx_kthread+0x10/0x10
[  324.277997][    C0]  ret_from_fork+0x514/0xb70
[  324.278015][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  324.278031][    C0]  ? __switch_to+0xc79/0x1410
[  324.278048][    C0]  ? __pfx_kthread+0x10/0x10
[  324.278067][    C0]  ret_from_fork_asm+0x1a/0x30
[  324.278099][    C0]  </TASK>
[  324.278459][   T38] Kernel panic - not syncing: hung_task: blocked tasks
[  324.278478][   T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  324.278497][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  324.278507][   T38] Call Trace:
[  324.278515][   T38]  <TASK>
[  324.278522][   T38]  vpanic+0x56c/0xa60
[  324.278549][   T38]  ? __pfx_vpanic+0x10/0x10
[  324.278579][   T38]  panic+0xc5/0xd0
[  324.278599][   T38]  ? __pfx_panic+0x10/0x10
[  324.278629][   T38]  ? nmi_trigger_cpumask_backtrace+0x234/0x300
[  324.278652][   T38]  watchdog+0x102c/0x1030
[  324.278680][   T38]  ? watchdog+0x1c9/0x1030
[  324.278721][   T38]  kthread+0x388/0x470
[  324.278745][   T38]  ? __pfx_watchdog+0x10/0x10
[  324.278764][   T38]  ? __pfx_kthread+0x10/0x10
[  324.278788][   T38]  ret_from_fork+0x514/0xb70
[  324.278810][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  324.278831][   T38]  ? __switch_to+0xc79/0x1410
[  324.278851][   T38]  ? __pfx_kthread+0x10/0x10
[  324.278876][   T38]  ret_from_fork_asm+0x1a/0x30
[  324.278911][   T38]  </TASK>
[  324.279415][   T38] Kernel Offset: disabled