298.788528][ T6607]  get_tree_bdev_flags+0x40e/0x4d0
[  298.788560][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  298.788586][ T6607]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  298.788613][ T6607]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  298.788650][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.788689][ T6607]  gfs2_get_tree+0x51/0x1e0
[  298.788719][ T6607]  vfs_get_tree+0x92/0x2b0
[  298.788752][ T6607]  do_new_mount+0x302/0xa10
[  298.788781][ T6607]  ? apparmor_capable+0x137/0x1b0
[  298.788825][ T6607]  ? __pfx_do_new_mount+0x10/0x10
[  298.788855][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.788884][ T6607]  ? ns_capable+0x8a/0xf0
[  298.788922][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.788953][ T6607]  ? kmem_cache_free+0x19b/0x690
[  298.788996][ T6607]  __se_sys_mount+0x313/0x410
[  298.789035][ T6607]  ? __pfx___se_sys_mount+0x10/0x10
[  298.789072][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.789101][ T6607]  ? __x64_sys_mount+0x20/0xc0
[  298.789136][ T6607]  do_syscall_64+0xfa/0xfa0
[  298.789161][ T6607]  ? lockdep_hardirqs_on+0x9c/0x150
[  298.789193][ T6607]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.789217][ T6607]  ? srso_alias_return_thunk+0x5/0xfbef5
[  298.789246][ T6607]  ? exc_page_fault+0xab/0x100
[  298.789272][ T6607]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  298.789297][ T6607] RIP: 0033:0x7fd96079066a
[  298.789318][ T6607] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  298.789340][ T6607] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.789367][ T6607] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  298.789386][ T6607] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  298.789405][ T6607] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  298.789424][ T6607] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  298.789442][ T6607] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  298.789482][ T6607]  </TASK>
[  298.789511][ T6607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.170683][ T6607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.701904][ T6611] loop1: detected capacity change from 0 to 32768
[  299.723386][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.730797][ T6611] CPU: 1 UID: 0 PID: 6611 Comm: syz.1.131 Not tainted syzkaller #0 PREEMPT(full) 
[  299.730830][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  299.730846][ T6611] Call Trace:
[  299.730856][ T6611]  <TASK>
[  299.730867][ T6611]  dump_stack_lvl+0x189/0x250
[  299.730904][ T6611]  ? __pfx_dump_stack_lvl+0x10/0x10
[  299.730933][ T6611]  ? __pfx__printk+0x10/0x10
[  299.730966][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.730996][ T6611]  ? kernfs_path_from_node+0x250/0x290
[  299.731019][ T6611]  ? kernfs_path_from_node+0x2f/0x290
[  299.731047][ T6611]  sysfs_create_dir_ns+0x259/0x280
[  299.731091][ T6611]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  299.731141][ T6611]  ? do_raw_spin_unlock+0x122/0x240
[  299.731176][ T6611]  kobject_add_internal+0x59f/0xb40
[  299.731219][ T6611]  kobject_init_and_add+0x125/0x190
[  299.731257][ T6611]  ? __pfx_kobject_init_and_add+0x10/0x10
[  299.731288][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.731317][ T6611]  ? __raw_spin_lock_init+0x45/0x100
[  299.731346][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.731375][ T6611]  ? __init_swait_queue_head+0xa9/0x150
[  299.731407][ T6611]  gfs2_sys_fs_add+0x234/0x450
[  299.731447][ T6611]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  299.731489][ T6611]  ? is_dynamic_key+0xd6/0x1c0
[  299.731522][ T6611]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  299.731568][ T6611]  gfs2_fill_super+0x13c0/0x20d0
[  299.731613][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.731637][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.731673][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.731702][ T6611]  ? sb_set_blocksize+0x104/0x180
[  299.731733][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.731762][ T6611]  ? setup_bdev_super+0x4c1/0x5b0
[  299.731797][ T6611]  get_tree_bdev_flags+0x40e/0x4d0
[  299.731827][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  299.731854][ T6611]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  299.731881][ T6611]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  299.731920][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.731959][ T6611]  gfs2_get_tree+0x51/0x1e0
[  299.731989][ T6611]  vfs_get_tree+0x92/0x2b0
[  299.732021][ T6611]  do_new_mount+0x302/0xa10
[  299.732051][ T6611]  ? apparmor_capable+0x137/0x1b0
[  299.732093][ T6611]  ? __pfx_do_new_mount+0x10/0x10
[  299.732124][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.732160][ T6611]  ? ns_capable+0x8a/0xf0
[  299.732198][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.732229][ T6611]  ? kmem_cache_free+0x19b/0x690
[  299.732272][ T6611]  __se_sys_mount+0x313/0x410
[  299.732312][ T6611]  ? __pfx___se_sys_mount+0x10/0x10
[  299.732350][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.732379][ T6611]  ? __x64_sys_mount+0x20/0xc0
[  299.732413][ T6611]  do_syscall_64+0xfa/0xfa0
[  299.732438][ T6611]  ? lockdep_hardirqs_on+0x9c/0x150
[  299.732463][ T6611]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.732488][ T6611]  ? srso_alias_return_thunk+0x5/0xfbef5
[  299.732517][ T6611]  ? exc_page_fault+0xab/0x100
[  299.732545][ T6611]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  299.732571][ T6611] RIP: 0033:0x7fd96079066a
[  299.732593][ T6611] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  299.732617][ T6611] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.732649][ T6611] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  299.732669][ T6611] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  299.732688][ T6611] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  299.732706][ T6611] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  299.732724][ T6611] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  299.732765][ T6611]  </TASK>
[  300.106137][ T6611] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.120421][ T6611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.577741][ T6615] loop1: detected capacity change from 0 to 32768
[  300.604058][ T6615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.611460][ T6615] CPU: 1 UID: 0 PID: 6615 Comm: syz.1.132 Not tainted syzkaller #0 PREEMPT(full) 
[  300.611492][ T6615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  300.611508][ T6615] Call Trace:
[  300.611518][ T6615]  <TASK>
[  300.611530][ T6615]  dump_stack_lvl+0x189/0x250
[  300.611566][ T6615]  ? __pfx_dump_stack_lvl+0x10/0x10
[  300.611595][ T6615]  ? __pfx__printk+0x10/0x10
[  300.611629][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.611660][ T6615]  ? kernfs_path_from_node+0x250/0x290
[  300.611683][ T6615]  ? kernfs_path_from_node+0x2f/0x290
[  300.611712][ T6615]  sysfs_create_dir_ns+0x259/0x280
[  300.611757][ T6615]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  300.611800][ T6615]  ? do_raw_spin_unlock+0x122/0x240
[  300.611834][ T6615]  kobject_add_internal+0x59f/0xb40
[  300.611876][ T6615]  kobject_init_and_add+0x125/0x190
[  300.611913][ T6615]  ? __pfx_kobject_init_and_add+0x10/0x10
[  300.611944][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.611974][ T6615]  ? __raw_spin_lock_init+0x45/0x100
[  300.612003][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.612032][ T6615]  ? __init_swait_queue_head+0xa9/0x150
[  300.612064][ T6615]  gfs2_sys_fs_add+0x234/0x450
[  300.612103][ T6615]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  300.612147][ T6615]  ? is_dynamic_key+0xd6/0x1c0
[  300.612181][ T6615]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  300.612227][ T6615]  gfs2_fill_super+0x13c0/0x20d0
[  300.612273][ T6615]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.612296][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.612333][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.612362][ T6615]  ? sb_set_blocksize+0x104/0x180
[  300.612406][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.612436][ T6615]  ? setup_bdev_super+0x4c1/0x5b0
[  300.612471][ T6615]  get_tree_bdev_flags+0x40e/0x4d0
[  300.612502][ T6615]  ? __pfx_gfs2_fill_super+0x10/0x10
[  300.612529][ T6615]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  300.612558][ T6615]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  300.612597][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.612642][ T6615]  gfs2_get_tree+0x51/0x1e0
[  300.612673][ T6615]  vfs_get_tree+0x92/0x2b0
[  300.612705][ T6615]  do_new_mount+0x302/0xa10
[  300.612734][ T6615]  ? apparmor_capable+0x137/0x1b0
[  300.612777][ T6615]  ? __pfx_do_new_mount+0x10/0x10
[  300.612811][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.612841][ T6615]  ? ns_capable+0x8a/0xf0
[  300.612879][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.612909][ T6615]  ? kmem_cache_free+0x19b/0x690
[  300.612952][ T6615]  __se_sys_mount+0x313/0x410
[  300.612991][ T6615]  ? __pfx___se_sys_mount+0x10/0x10
[  300.613028][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.613058][ T6615]  ? __x64_sys_mount+0x20/0xc0
[  300.613094][ T6615]  do_syscall_64+0xfa/0xfa0
[  300.613119][ T6615]  ? lockdep_hardirqs_on+0x9c/0x150
[  300.613191][ T6615]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.613219][ T6615]  ? srso_alias_return_thunk+0x5/0xfbef5
[  300.613265][ T6615]  ? exc_page_fault+0xab/0x100
[  300.613311][ T6615]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  300.613352][ T6615] RIP: 0033:0x7fd96079066a
[  300.613383][ T6615] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  300.613421][ T6615] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.613463][ T6615] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  300.613496][ T6615] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  300.613529][ T6615] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  300.613560][ T6615] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  300.613590][ T6615] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  300.613660][ T6615]  </TASK>
[  300.988373][ T6615] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.002497][ T6615] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/14 04:01:55 executed programs: 118
[  301.536097][ T6619] loop1: detected capacity change from 0 to 32768
[  301.554243][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.561641][ T6619] CPU: 1 UID: 0 PID: 6619 Comm: syz.1.133 Not tainted syzkaller #0 PREEMPT(full) 
[  301.561673][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  301.561690][ T6619] Call Trace:
[  301.561701][ T6619]  <TASK>
[  301.561712][ T6619]  dump_stack_lvl+0x189/0x250
[  301.561749][ T6619]  ? __pfx_dump_stack_lvl+0x10/0x10
[  301.561778][ T6619]  ? __pfx__printk+0x10/0x10
[  301.561811][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.561842][ T6619]  ? kernfs_path_from_node+0x250/0x290
[  301.561865][ T6619]  ? kernfs_path_from_node+0x2f/0x290
[  301.561894][ T6619]  sysfs_create_dir_ns+0x259/0x280
[  301.561938][ T6619]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  301.561981][ T6619]  ? do_raw_spin_unlock+0x122/0x240
[  301.562014][ T6619]  kobject_add_internal+0x59f/0xb40
[  301.562056][ T6619]  kobject_init_and_add+0x125/0x190
[  301.562093][ T6619]  ? __pfx_kobject_init_and_add+0x10/0x10
[  301.562132][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.562162][ T6619]  ? __raw_spin_lock_init+0x45/0x100
[  301.562191][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.562221][ T6619]  ? __init_swait_queue_head+0xa9/0x150
[  301.562253][ T6619]  gfs2_sys_fs_add+0x234/0x450
[  301.562293][ T6619]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  301.562336][ T6619]  ? is_dynamic_key+0xd6/0x1c0
[  301.562369][ T6619]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  301.562416][ T6619]  gfs2_fill_super+0x13c0/0x20d0
[  301.562462][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.562487][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.562523][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.562552][ T6619]  ? sb_set_blocksize+0x104/0x180
[  301.562583][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.562613][ T6619]  ? setup_bdev_super+0x4c1/0x5b0
[  301.562651][ T6619]  get_tree_bdev_flags+0x40e/0x4d0
[  301.562681][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  301.562707][ T6619]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  301.562734][ T6619]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  301.562773][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.562811][ T6619]  gfs2_get_tree+0x51/0x1e0
[  301.562842][ T6619]  vfs_get_tree+0x92/0x2b0
[  301.562874][ T6619]  do_new_mount+0x302/0xa10
[  301.562904][ T6619]  ? apparmor_capable+0x137/0x1b0
[  301.562948][ T6619]  ? __pfx_do_new_mount+0x10/0x10
[  301.562978][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.563007][ T6619]  ? ns_capable+0x8a/0xf0
[  301.563046][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.563077][ T6619]  ? kmem_cache_free+0x19b/0x690
[  301.563128][ T6619]  __se_sys_mount+0x313/0x410
[  301.563168][ T6619]  ? __pfx___se_sys_mount+0x10/0x10
[  301.563205][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.563235][ T6619]  ? __x64_sys_mount+0x20/0xc0
[  301.563269][ T6619]  do_syscall_64+0xfa/0xfa0
[  301.563295][ T6619]  ? lockdep_hardirqs_on+0x9c/0x150
[  301.563320][ T6619]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.563345][ T6619]  ? srso_alias_return_thunk+0x5/0xfbef5
[  301.563375][ T6619]  ? exc_page_fault+0xab/0x100
[  301.563402][ T6619]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  301.563427][ T6619] RIP: 0033:0x7fd96079066a
[  301.563450][ T6619] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  301.563473][ T6619] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.563500][ T6619] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  301.563520][ T6619] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  301.563538][ T6619] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  301.563557][ T6619] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  301.563575][ T6619] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  301.563616][ T6619]  </TASK>
[  301.932124][ T6619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.946096][ T6619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.484211][ T6623] loop1: detected capacity change from 0 to 32768
[  302.504285][ T6623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.511722][ T6623] CPU: 1 UID: 0 PID: 6623 Comm: syz.1.134 Not tainted syzkaller #0 PREEMPT(full) 
[  302.511755][ T6623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  302.511774][ T6623] Call Trace:
[  302.511787][ T6623]  <TASK>
[  302.511799][ T6623]  dump_stack_lvl+0x189/0x250
[  302.511842][ T6623]  ? __pfx_dump_stack_lvl+0x10/0x10
[  302.511875][ T6623]  ? __pfx__printk+0x10/0x10
[  302.511912][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.511945][ T6623]  ? kernfs_path_from_node+0x250/0x290
[  302.511971][ T6623]  ? kernfs_path_from_node+0x2f/0x290
[  302.512003][ T6623]  sysfs_create_dir_ns+0x259/0x280
[  302.512051][ T6623]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  302.512099][ T6623]  ? do_raw_spin_unlock+0x122/0x240
[  302.512136][ T6623]  kobject_add_internal+0x59f/0xb40
[  302.512186][ T6623]  kobject_init_and_add+0x125/0x190
[  302.512231][ T6623]  ? __pfx_kobject_init_and_add+0x10/0x10
[  302.512267][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.512302][ T6623]  ? __raw_spin_lock_init+0x45/0x100
[  302.512336][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.512370][ T6623]  ? __init_swait_queue_head+0xa9/0x150
[  302.512412][ T6623]  gfs2_sys_fs_add+0x234/0x450
[  302.512459][ T6623]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  302.512511][ T6623]  ? is_dynamic_key+0xd6/0x1c0
[  302.512552][ T6623]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  302.512610][ T6623]  gfs2_fill_super+0x13c0/0x20d0
[  302.512662][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.512687][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.512726][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.512758][ T6623]  ? sb_set_blocksize+0x104/0x180
[  302.512791][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.512821][ T6623]  ? setup_bdev_super+0x4c1/0x5b0
[  302.512858][ T6623]  get_tree_bdev_flags+0x40e/0x4d0
[  302.512890][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  302.512919][ T6623]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  302.512947][ T6623]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  302.512989][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.513031][ T6623]  gfs2_get_tree+0x51/0x1e0
[  302.513063][ T6623]  vfs_get_tree+0x92/0x2b0
[  302.513097][ T6623]  do_new_mount+0x302/0xa10
[  302.513129][ T6623]  ? apparmor_capable+0x137/0x1b0
[  302.513174][ T6623]  ? __pfx_do_new_mount+0x10/0x10
[  302.513207][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.513238][ T6623]  ? ns_capable+0x8a/0xf0
[  302.513278][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.513312][ T6623]  ? kmem_cache_free+0x19b/0x690
[  302.513358][ T6623]  __se_sys_mount+0x313/0x410
[  302.513407][ T6623]  ? __pfx___se_sys_mount+0x10/0x10
[  302.513448][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.513479][ T6623]  ? __x64_sys_mount+0x20/0xc0
[  302.513517][ T6623]  do_syscall_64+0xfa/0xfa0
[  302.513543][ T6623]  ? lockdep_hardirqs_on+0x9c/0x150
[  302.513570][ T6623]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.513597][ T6623]  ? srso_alias_return_thunk+0x5/0xfbef5
[  302.513628][ T6623]  ? exc_page_fault+0xab/0x100
[  302.513655][ T6623]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  302.513681][ T6623] RIP: 0033:0x7fd96079066a
[  302.513704][ T6623] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  302.513727][ T6623] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.513755][ T6623] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  302.513776][ T6623] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  302.513796][ T6623] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  302.513815][ T6623] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  302.513833][ T6623] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  302.513874][ T6623]  </TASK>
[  302.879808][ T6623] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.893758][ T6623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.416556][ T6627] loop1: detected capacity change from 0 to 32768
[  303.434560][ T6627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.442039][ T6627] CPU: 0 UID: 0 PID: 6627 Comm: syz.1.135 Not tainted syzkaller #0 PREEMPT(full) 
[  303.442070][ T6627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  303.442087][ T6627] Call Trace:
[  303.442097][ T6627]  <TASK>
[  303.442108][ T6627]  dump_stack_lvl+0x189/0x250
[  303.442153][ T6627]  ? __pfx_dump_stack_lvl+0x10/0x10
[  303.442181][ T6627]  ? __pfx__printk+0x10/0x10
[  303.442214][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.442245][ T6627]  ? kernfs_path_from_node+0x250/0x290
[  303.442269][ T6627]  ? kernfs_path_from_node+0x2f/0x290
[  303.442298][ T6627]  sysfs_create_dir_ns+0x259/0x280
[  303.442342][ T6627]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  303.442386][ T6627]  ? do_raw_spin_unlock+0x122/0x240
[  303.442420][ T6627]  kobject_add_internal+0x59f/0xb40
[  303.442462][ T6627]  kobject_init_and_add+0x125/0x190
[  303.442499][ T6627]  ? __pfx_kobject_init_and_add+0x10/0x10
[  303.442530][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.442560][ T6627]  ? __raw_spin_lock_init+0x45/0x100
[  303.442588][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.442617][ T6627]  ? __init_swait_queue_head+0xa9/0x150
[  303.442653][ T6627]  gfs2_sys_fs_add+0x234/0x450
[  303.442693][ T6627]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  303.442735][ T6627]  ? is_dynamic_key+0xd6/0x1c0
[  303.442768][ T6627]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  303.442814][ T6627]  gfs2_fill_super+0x13c0/0x20d0
[  303.442861][ T6627]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.442885][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.442922][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.442952][ T6627]  ? sb_set_blocksize+0x104/0x180
[  303.442984][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.443014][ T6627]  ? setup_bdev_super+0x4c1/0x5b0
[  303.443048][ T6627]  get_tree_bdev_flags+0x40e/0x4d0
[  303.443078][ T6627]  ? __pfx_gfs2_fill_super+0x10/0x10
[  303.443105][ T6627]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  303.443139][ T6627]  ? irqentry_exit+0x74/0x90
[  303.443169][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.443208][ T6627]  gfs2_get_tree+0x51/0x1e0
[  303.443238][ T6627]  vfs_get_tree+0x92/0x2b0
[  303.443269][ T6627]  do_new_mount+0x302/0xa10
[  303.443298][ T6627]  ? apparmor_capable+0x137/0x1b0
[  303.443340][ T6627]  ? __pfx_do_new_mount+0x10/0x10
[  303.443371][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.443400][ T6627]  ? ns_capable+0x8a/0xf0
[  303.443438][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.443470][ T6627]  ? kmem_cache_free+0x19b/0x690
[  303.443514][ T6627]  __se_sys_mount+0x313/0x410
[  303.443554][ T6627]  ? __pfx___se_sys_mount+0x10/0x10
[  303.443592][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.443622][ T6627]  ? __x64_sys_mount+0x20/0xc0
[  303.443657][ T6627]  do_syscall_64+0xfa/0xfa0
[  303.443682][ T6627]  ? lockdep_hardirqs_on+0x9c/0x150
[  303.443707][ T6627]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.443732][ T6627]  ? srso_alias_return_thunk+0x5/0xfbef5
[  303.443762][ T6627]  ? exc_page_fault+0xab/0x100
[  303.443789][ T6627]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  303.443814][ T6627] RIP: 0033:0x7fd96079066a
[  303.443837][ T6627] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  303.443859][ T6627] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.443886][ T6627] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  303.443905][ T6627] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  303.443924][ T6627] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  303.443943][ T6627] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  303.443961][ T6627] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  303.444002][ T6627]  </TASK>
[  303.827201][ T6627] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.843193][ T6627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.377255][ T6631] loop1: detected capacity change from 0 to 32768
[  304.400197][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  304.407790][ T6631] CPU: 0 UID: 0 PID: 6631 Comm: syz.1.136 Not tainted syzkaller #0 PREEMPT(full) 
[  304.407826][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  304.407843][ T6631] Call Trace:
[  304.407853][ T6631]  <TASK>
[  304.407864][ T6631]  dump_stack_lvl+0x189/0x250
[  304.407902][ T6631]  ? __pfx_dump_stack_lvl+0x10/0x10
[  304.407930][ T6631]  ? __pfx__printk+0x10/0x10
[  304.407963][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.407992][ T6631]  ? kernfs_path_from_node+0x250/0x290
[  304.408016][ T6631]  ? kernfs_path_from_node+0x2f/0x290
[  304.408045][ T6631]  sysfs_create_dir_ns+0x259/0x280
[  304.408091][ T6631]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  304.408134][ T6631]  ? do_raw_spin_unlock+0x122/0x240
[  304.408169][ T6631]  kobject_add_internal+0x59f/0xb40
[  304.408212][ T6631]  kobject_init_and_add+0x125/0x190
[  304.408250][ T6631]  ? __pfx_kobject_init_and_add+0x10/0x10
[  304.408282][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.408312][ T6631]  ? __raw_spin_lock_init+0x45/0x100
[  304.408348][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.408378][ T6631]  ? __init_swait_queue_head+0xa9/0x150
[  304.408410][ T6631]  gfs2_sys_fs_add+0x234/0x450
[  304.408451][ T6631]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  304.408494][ T6631]  ? is_dynamic_key+0xd6/0x1c0
[  304.408527][ T6631]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  304.408573][ T6631]  gfs2_fill_super+0x13c0/0x20d0
[  304.408620][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.408645][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.408682][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.408711][ T6631]  ? sb_set_blocksize+0x104/0x180
[  304.408743][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.408774][ T6631]  ? setup_bdev_super+0x4c1/0x5b0
[  304.408809][ T6631]  get_tree_bdev_flags+0x40e/0x4d0
[  304.408840][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  304.408868][ T6631]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  304.408901][ T6631]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  304.408940][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.408980][ T6631]  gfs2_get_tree+0x51/0x1e0
[  304.409010][ T6631]  vfs_get_tree+0x92/0x2b0
[  304.409043][ T6631]  do_new_mount+0x302/0xa10
[  304.409077][ T6631]  ? apparmor_capable+0x137/0x1b0
[  304.409119][ T6631]  ? __pfx_do_new_mount+0x10/0x10
[  304.409150][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.409179][ T6631]  ? ns_capable+0x8a/0xf0
[  304.409217][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.409249][ T6631]  ? kmem_cache_free+0x19b/0x690
[  304.409293][ T6631]  __se_sys_mount+0x313/0x410
[  304.409334][ T6631]  ? __pfx___se_sys_mount+0x10/0x10
[  304.409378][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.409408][ T6631]  ? __x64_sys_mount+0x20/0xc0
[  304.409444][ T6631]  do_syscall_64+0xfa/0xfa0
[  304.409470][ T6631]  ? lockdep_hardirqs_on+0x9c/0x150
[  304.409496][ T6631]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.409521][ T6631]  ? srso_alias_return_thunk+0x5/0xfbef5
[  304.409551][ T6631]  ? exc_page_fault+0xab/0x100
[  304.409579][ T6631]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  304.409604][ T6631] RIP: 0033:0x7fd96079066a
[  304.409628][ T6631] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  304.409651][ T6631] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.409679][ T6631] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  304.409700][ T6631] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  304.409719][ T6631] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  304.409737][ T6631] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  304.409756][ T6631] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  304.409796][ T6631]  </TASK>
[  304.409831][ T6631] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.797983][ T6631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  305.334176][ T6635] loop1: detected capacity change from 0 to 32768
[  305.354723][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  305.362123][ T6635] CPU: 0 UID: 0 PID: 6635 Comm: syz.1.137 Not tainted syzkaller #0 PREEMPT(full) 
[  305.362154][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  305.362171][ T6635] Call Trace:
[  305.362181][ T6635]  <TASK>
[  305.362191][ T6635]  dump_stack_lvl+0x189/0x250
[  305.362229][ T6635]  ? __pfx_dump_stack_lvl+0x10/0x10
[  305.362257][ T6635]  ? __pfx__printk+0x10/0x10
[  305.362290][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.362321][ T6635]  ? kernfs_path_from_node+0x250/0x290
[  305.362345][ T6635]  ? kernfs_path_from_node+0x2f/0x290
[  305.362389][ T6635]  sysfs_create_dir_ns+0x259/0x280
[  305.362432][ T6635]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  305.362476][ T6635]  ? do_raw_spin_unlock+0x122/0x240
[  305.362510][ T6635]  kobject_add_internal+0x59f/0xb40
[  305.362552][ T6635]  kobject_init_and_add+0x125/0x190
[  305.362589][ T6635]  ? __pfx_kobject_init_and_add+0x10/0x10
[  305.362620][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.362654][ T6635]  ? __raw_spin_lock_init+0x45/0x100
[  305.362684][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.362714][ T6635]  ? __init_swait_queue_head+0xa9/0x150
[  305.362746][ T6635]  gfs2_sys_fs_add+0x234/0x450
[  305.362786][ T6635]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  305.362829][ T6635]  ? is_dynamic_key+0xd6/0x1c0
[  305.362862][ T6635]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  305.362909][ T6635]  gfs2_fill_super+0x13c0/0x20d0
[  305.362955][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.362979][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.363015][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.363045][ T6635]  ? sb_set_blocksize+0x104/0x180
[  305.363076][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.363105][ T6635]  ? setup_bdev_super+0x4c1/0x5b0
[  305.363140][ T6635]  get_tree_bdev_flags+0x40e/0x4d0
[  305.363170][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  305.363197][ T6635]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  305.363225][ T6635]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  305.363264][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.363304][ T6635]  gfs2_get_tree+0x51/0x1e0
[  305.363335][ T6635]  vfs_get_tree+0x92/0x2b0
[  305.363372][ T6635]  do_new_mount+0x302/0xa10
[  305.363402][ T6635]  ? apparmor_capable+0x137/0x1b0
[  305.363445][ T6635]  ? __pfx_do_new_mount+0x10/0x10
[  305.363476][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.363506][ T6635]  ? ns_capable+0x8a/0xf0
[  305.363543][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.363575][ T6635]  ? kmem_cache_free+0x19b/0x690
[  305.363619][ T6635]  __se_sys_mount+0x313/0x410
[  305.363659][ T6635]  ? __pfx___se_sys_mount+0x10/0x10
[  305.363697][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.363726][ T6635]  ? __x64_sys_mount+0x20/0xc0
[  305.363761][ T6635]  do_syscall_64+0xfa/0xfa0
[  305.363786][ T6635]  ? lockdep_hardirqs_on+0x9c/0x150
[  305.363812][ T6635]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.363836][ T6635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  305.363866][ T6635]  ? exc_page_fault+0xab/0x100
[  305.363893][ T6635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  305.363919][ T6635] RIP: 0033:0x7fd96079066a
[  305.363943][ T6635] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  305.363966][ T6635] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  305.363994][ T6635] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  305.364015][ T6635] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  305.364035][ T6635] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  305.364054][ T6635] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  305.364073][ T6635] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  305.364114][ T6635]  </TASK>
[  305.733370][ T6635] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  305.747435][ T6635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  306.156678][ T6639] loop1: detected capacity change from 0 to 32768
[  306.175659][ T6639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  306.183243][ T6639] CPU: 1 UID: 0 PID: 6639 Comm: syz.1.138 Not tainted syzkaller #0 PREEMPT(full) 
[  306.183278][ T6639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  306.183295][ T6639] Call Trace:
[  306.183305][ T6639]  <TASK>
[  306.183316][ T6639]  dump_stack_lvl+0x189/0x250
[  306.183354][ T6639]  ? __pfx_dump_stack_lvl+0x10/0x10
[  306.183383][ T6639]  ? __pfx__printk+0x10/0x10
[  306.183416][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.183446][ T6639]  ? kernfs_path_from_node+0x250/0x290
[  306.183470][ T6639]  ? kernfs_path_from_node+0x2f/0x290
[  306.183498][ T6639]  sysfs_create_dir_ns+0x259/0x280
[  306.183542][ T6639]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  306.183584][ T6639]  ? do_raw_spin_unlock+0x122/0x240
[  306.183618][ T6639]  kobject_add_internal+0x59f/0xb40
[  306.183660][ T6639]  kobject_init_and_add+0x125/0x190
[  306.183697][ T6639]  ? __pfx_kobject_init_and_add+0x10/0x10
[  306.183726][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.183756][ T6639]  ? __raw_spin_lock_init+0x45/0x100
[  306.183785][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.183814][ T6639]  ? __init_swait_queue_head+0xa9/0x150
[  306.183845][ T6639]  gfs2_sys_fs_add+0x234/0x450
[  306.183885][ T6639]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  306.183929][ T6639]  ? is_dynamic_key+0xd6/0x1c0
[  306.183962][ T6639]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  306.184008][ T6639]  gfs2_fill_super+0x13c0/0x20d0
[  306.184055][ T6639]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.184080][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.184116][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.184145][ T6639]  ? sb_set_blocksize+0x104/0x180
[  306.184187][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.184217][ T6639]  ? setup_bdev_super+0x4c1/0x5b0
[  306.184258][ T6639]  get_tree_bdev_flags+0x40e/0x4d0
[  306.184288][ T6639]  ? __pfx_gfs2_fill_super+0x10/0x10
[  306.184314][ T6639]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  306.184341][ T6639]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  306.184380][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.184418][ T6639]  gfs2_get_tree+0x51/0x1e0
[  306.184448][ T6639]  vfs_get_tree+0x92/0x2b0
[  306.184481][ T6639]  do_new_mount+0x302/0xa10
[  306.184511][ T6639]  ? apparmor_capable+0x137/0x1b0
[  306.184549][ T6639]  ? __pfx_do_new_mount+0x10/0x10
[  306.184575][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.184599][ T6639]  ? ns_capable+0x8a/0xf0
[  306.184631][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.184656][ T6639]  ? kmem_cache_free+0x19b/0x690
[  306.184690][ T6639]  __se_sys_mount+0x313/0x410
[  306.184724][ T6639]  ? __pfx___se_sys_mount+0x10/0x10
[  306.184755][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.184779][ T6639]  ? __x64_sys_mount+0x20/0xc0
[  306.184807][ T6639]  do_syscall_64+0xfa/0xfa0
[  306.184829][ T6639]  ? lockdep_hardirqs_on+0x9c/0x150
[  306.184851][ T6639]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.184872][ T6639]  ? srso_alias_return_thunk+0x5/0xfbef5
[  306.184898][ T6639]  ? exc_page_fault+0xab/0x100
[  306.184921][ T6639]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  306.184943][ T6639] RIP: 0033:0x7fd96079066a
[  306.184962][ T6639] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  306.184981][ T6639] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  306.185004][ T6639] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  306.185021][ T6639] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  306.185037][ T6639] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  306.185053][ T6639] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  306.185069][ T6639] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  306.185106][ T6639]  </TASK>
[  306.185139][ T6639] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  306.572327][ T6639] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/14 04:02:01 executed programs: 124
[  307.109962][ T6643] loop1: detected capacity change from 0 to 32768
[  307.120160][ T6643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  307.133088][ T6643] CPU: 1 UID: 0 PID: 6643 Comm: syz.1.139 Not tainted syzkaller #0 PREEMPT(full) 
[  307.133126][ T6643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  307.133142][ T6643] Call Trace:
[  307.133155][ T6643]  <TASK>
[  307.133164][ T6643]  dump_stack_lvl+0x189/0x250
[  307.133202][ T6643]  ? __pfx_dump_stack_lvl+0x10/0x10
[  307.133228][ T6643]  ? __pfx__printk+0x10/0x10
[  307.133260][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.133290][ T6643]  ? kernfs_path_from_node+0x250/0x290
[  307.133313][ T6643]  ? kernfs_path_from_node+0x2f/0x290
[  307.133342][ T6643]  sysfs_create_dir_ns+0x259/0x280
[  307.133384][ T6643]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  307.133426][ T6643]  ? do_raw_spin_unlock+0x122/0x240
[  307.133460][ T6643]  kobject_add_internal+0x59f/0xb40
[  307.133502][ T6643]  kobject_init_and_add+0x125/0x190
[  307.133539][ T6643]  ? __pfx_kobject_init_and_add+0x10/0x10
[  307.133569][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.133599][ T6643]  ? __raw_spin_lock_init+0x45/0x100
[  307.133627][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.133657][ T6643]  ? __init_swait_queue_head+0xa9/0x150
[  307.133688][ T6643]  gfs2_sys_fs_add+0x234/0x450
[  307.133726][ T6643]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  307.133769][ T6643]  ? is_dynamic_key+0xd6/0x1c0
[  307.133801][ T6643]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  307.133845][ T6643]  gfs2_fill_super+0x13c0/0x20d0
[  307.133890][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.133914][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.133949][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.133977][ T6643]  ? sb_set_blocksize+0x104/0x180
[  307.134008][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.134037][ T6643]  ? setup_bdev_super+0x4c1/0x5b0
[  307.134071][ T6643]  get_tree_bdev_flags+0x40e/0x4d0
[  307.134101][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  307.134133][ T6643]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  307.134161][ T6643]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  307.134199][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.134238][ T6643]  gfs2_get_tree+0x51/0x1e0
[  307.134267][ T6643]  vfs_get_tree+0x92/0x2b0
[  307.134300][ T6643]  do_new_mount+0x302/0xa10
[  307.134330][ T6643]  ? apparmor_capable+0x137/0x1b0
[  307.134372][ T6643]  ? __pfx_do_new_mount+0x10/0x10
[  307.134402][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.134430][ T6643]  ? ns_capable+0x8a/0xf0
[  307.134463][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.134490][ T6643]  ? kmem_cache_free+0x19b/0x690
[  307.134528][ T6643]  __se_sys_mount+0x313/0x410
[  307.134563][ T6643]  ? __pfx___se_sys_mount+0x10/0x10
[  307.134596][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.134622][ T6643]  ? __x64_sys_mount+0x20/0xc0
[  307.134652][ T6643]  do_syscall_64+0xfa/0xfa0
[  307.134675][ T6643]  ? lockdep_hardirqs_on+0x9c/0x150
[  307.134697][ T6643]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.134719][ T6643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  307.134745][ T6643]  ? exc_page_fault+0xab/0x100
[  307.134769][ T6643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  307.134791][ T6643] RIP: 0033:0x7fd96079066a
[  307.134810][ T6643] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  307.134830][ T6643] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  307.134854][ T6643] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  307.134871][ T6643] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  307.134888][ T6643] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  307.134905][ T6643] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  307.134920][ T6643] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  307.134955][ T6643]  </TASK>
[  307.134991][ T6643] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  307.516455][ T6643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.046610][ T6647] loop1: detected capacity change from 0 to 32768
[  308.060099][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  308.068822][ T6647] CPU: 1 UID: 0 PID: 6647 Comm: syz.1.140 Not tainted syzkaller #0 PREEMPT(full) 
[  308.068852][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  308.068868][ T6647] Call Trace:
[  308.068878][ T6647]  <TASK>
[  308.068889][ T6647]  dump_stack_lvl+0x189/0x250
[  308.068925][ T6647]  ? __pfx_dump_stack_lvl+0x10/0x10
[  308.068953][ T6647]  ? __pfx__printk+0x10/0x10
[  308.068990][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.069020][ T6647]  ? kernfs_path_from_node+0x250/0x290
[  308.069044][ T6647]  ? kernfs_path_from_node+0x2f/0x290
[  308.069074][ T6647]  sysfs_create_dir_ns+0x259/0x280
[  308.069118][ T6647]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  308.069159][ T6647]  ? do_raw_spin_unlock+0x122/0x240
[  308.069194][ T6647]  kobject_add_internal+0x59f/0xb40
[  308.069236][ T6647]  kobject_init_and_add+0x125/0x190
[  308.069273][ T6647]  ? __pfx_kobject_init_and_add+0x10/0x10
[  308.069304][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.069335][ T6647]  ? __raw_spin_lock_init+0x45/0x100
[  308.069364][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.069400][ T6647]  ? __init_swait_queue_head+0xa9/0x150
[  308.069432][ T6647]  gfs2_sys_fs_add+0x234/0x450
[  308.069472][ T6647]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  308.069515][ T6647]  ? is_dynamic_key+0xd6/0x1c0
[  308.069547][ T6647]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  308.069594][ T6647]  gfs2_fill_super+0x13c0/0x20d0
[  308.069640][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.069665][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.069701][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.069731][ T6647]  ? sb_set_blocksize+0x104/0x180
[  308.069762][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.069792][ T6647]  ? setup_bdev_super+0x4c1/0x5b0
[  308.069827][ T6647]  get_tree_bdev_flags+0x40e/0x4d0
[  308.069856][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  308.069883][ T6647]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  308.069911][ T6647]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  308.069949][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.069989][ T6647]  gfs2_get_tree+0x51/0x1e0
[  308.070018][ T6647]  vfs_get_tree+0x92/0x2b0
[  308.070051][ T6647]  do_new_mount+0x302/0xa10
[  308.070080][ T6647]  ? apparmor_capable+0x137/0x1b0
[  308.070122][ T6647]  ? __pfx_do_new_mount+0x10/0x10
[  308.070153][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.070182][ T6647]  ? ns_capable+0x8a/0xf0
[  308.070220][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.070251][ T6647]  ? kmem_cache_free+0x19b/0x690
[  308.070294][ T6647]  __se_sys_mount+0x313/0x410
[  308.070334][ T6647]  ? __pfx___se_sys_mount+0x10/0x10
[  308.070377][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.070407][ T6647]  ? __x64_sys_mount+0x20/0xc0
[  308.070442][ T6647]  do_syscall_64+0xfa/0xfa0
[  308.070467][ T6647]  ? lockdep_hardirqs_on+0x9c/0x150
[  308.070492][ T6647]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.070517][ T6647]  ? srso_alias_return_thunk+0x5/0xfbef5
[  308.070546][ T6647]  ? exc_page_fault+0xab/0x100
[  308.070574][ T6647]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  308.070599][ T6647] RIP: 0033:0x7fd96079066a
[  308.070621][ T6647] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  308.070643][ T6647] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  308.070670][ T6647] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  308.070690][ T6647] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  308.070709][ T6647] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  308.070728][ T6647] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  308.070746][ T6647] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  308.070786][ T6647]  </TASK>
[  308.070958][ T6647] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  308.452143][ T6647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  308.975109][ T6651] loop1: detected capacity change from 0 to 32768
[  308.995096][ T6651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.002502][ T6651] CPU: 1 UID: 0 PID: 6651 Comm: syz.1.141 Not tainted syzkaller #0 PREEMPT(full) 
[  309.002535][ T6651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  309.002552][ T6651] Call Trace:
[  309.002562][ T6651]  <TASK>
[  309.002574][ T6651]  dump_stack_lvl+0x189/0x250
[  309.002612][ T6651]  ? __pfx_dump_stack_lvl+0x10/0x10
[  309.002645][ T6651]  ? __pfx__printk+0x10/0x10
[  309.002679][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.002710][ T6651]  ? kernfs_path_from_node+0x250/0x290
[  309.002734][ T6651]  ? kernfs_path_from_node+0x2f/0x290
[  309.002763][ T6651]  sysfs_create_dir_ns+0x259/0x280
[  309.002808][ T6651]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  309.002850][ T6651]  ? do_raw_spin_unlock+0x122/0x240
[  309.002885][ T6651]  kobject_add_internal+0x59f/0xb40
[  309.002928][ T6651]  kobject_init_and_add+0x125/0x190
[  309.002964][ T6651]  ? __pfx_kobject_init_and_add+0x10/0x10
[  309.002995][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.003026][ T6651]  ? __raw_spin_lock_init+0x45/0x100
[  309.003055][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.003085][ T6651]  ? __init_swait_queue_head+0xa9/0x150
[  309.003117][ T6651]  gfs2_sys_fs_add+0x234/0x450
[  309.003157][ T6651]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  309.003200][ T6651]  ? is_dynamic_key+0xd6/0x1c0
[  309.003234][ T6651]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  309.003280][ T6651]  gfs2_fill_super+0x13c0/0x20d0
[  309.003326][ T6651]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.003350][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.003394][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.003424][ T6651]  ? sb_set_blocksize+0x104/0x180
[  309.003455][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.003485][ T6651]  ? setup_bdev_super+0x4c1/0x5b0
[  309.003520][ T6651]  get_tree_bdev_flags+0x40e/0x4d0
[  309.003550][ T6651]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.003577][ T6651]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  309.003605][ T6651]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  309.003644][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.003683][ T6651]  gfs2_get_tree+0x51/0x1e0
[  309.003712][ T6651]  vfs_get_tree+0x92/0x2b0
[  309.003745][ T6651]  do_new_mount+0x302/0xa10
[  309.003794][ T6651]  ? apparmor_capable+0x137/0x1b0
[  309.003838][ T6651]  ? __pfx_do_new_mount+0x10/0x10
[  309.003869][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.003899][ T6651]  ? ns_capable+0x8a/0xf0
[  309.003937][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.003968][ T6651]  ? kmem_cache_free+0x19b/0x690
[  309.004012][ T6651]  __se_sys_mount+0x313/0x410
[  309.004052][ T6651]  ? __pfx___se_sys_mount+0x10/0x10
[  309.004089][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.004118][ T6651]  ? __x64_sys_mount+0x20/0xc0
[  309.004153][ T6651]  do_syscall_64+0xfa/0xfa0
[  309.004178][ T6651]  ? lockdep_hardirqs_on+0x9c/0x150
[  309.004205][ T6651]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.004229][ T6651]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.004259][ T6651]  ? exc_page_fault+0xab/0x100
[  309.004288][ T6651]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.004313][ T6651] RIP: 0033:0x7fd96079066a
[  309.004337][ T6651] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  309.004360][ T6651] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.004398][ T6651] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  309.004419][ T6651] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  309.004438][ T6651] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  309.004457][ T6651] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  309.004476][ T6651] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  309.004516][ T6651]  </TASK>
[  309.386648][ T6651] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  309.401455][ T6651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  309.891877][ T6655] loop1: detected capacity change from 0 to 32768
[  309.904793][ T6655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  309.912194][ T6655] CPU: 0 UID: 0 PID: 6655 Comm: syz.1.142 Not tainted syzkaller #0 PREEMPT(full) 
[  309.912225][ T6655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  309.912241][ T6655] Call Trace:
[  309.912251][ T6655]  <TASK>
[  309.912262][ T6655]  dump_stack_lvl+0x189/0x250
[  309.912297][ T6655]  ? __pfx_dump_stack_lvl+0x10/0x10
[  309.912324][ T6655]  ? __pfx__printk+0x10/0x10
[  309.912357][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.912395][ T6655]  ? kernfs_path_from_node+0x250/0x290
[  309.912418][ T6655]  ? kernfs_path_from_node+0x2f/0x290
[  309.912448][ T6655]  sysfs_create_dir_ns+0x259/0x280
[  309.912491][ T6655]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  309.912534][ T6655]  ? do_raw_spin_unlock+0x122/0x240
[  309.912568][ T6655]  kobject_add_internal+0x59f/0xb40
[  309.912610][ T6655]  kobject_init_and_add+0x125/0x190
[  309.912651][ T6655]  ? __pfx_kobject_init_and_add+0x10/0x10
[  309.912683][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.912712][ T6655]  ? __raw_spin_lock_init+0x45/0x100
[  309.912741][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.912771][ T6655]  ? __init_swait_queue_head+0xa9/0x150
[  309.912801][ T6655]  gfs2_sys_fs_add+0x234/0x450
[  309.912840][ T6655]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  309.912883][ T6655]  ? is_dynamic_key+0xd6/0x1c0
[  309.912916][ T6655]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  309.912961][ T6655]  gfs2_fill_super+0x13c0/0x20d0
[  309.913006][ T6655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.913029][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.913065][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.913095][ T6655]  ? sb_set_blocksize+0x104/0x180
[  309.913126][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.913155][ T6655]  ? setup_bdev_super+0x4c1/0x5b0
[  309.913189][ T6655]  get_tree_bdev_flags+0x40e/0x4d0
[  309.913220][ T6655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  309.913248][ T6655]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  309.913275][ T6655]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  309.913314][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.913353][ T6655]  gfs2_get_tree+0x51/0x1e0
[  309.913399][ T6655]  vfs_get_tree+0x92/0x2b0
[  309.913431][ T6655]  do_new_mount+0x302/0xa10
[  309.913460][ T6655]  ? apparmor_capable+0x137/0x1b0
[  309.913503][ T6655]  ? __pfx_do_new_mount+0x10/0x10
[  309.913534][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.913564][ T6655]  ? ns_capable+0x8a/0xf0
[  309.913601][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.913632][ T6655]  ? kmem_cache_free+0x19b/0x690
[  309.913676][ T6655]  __se_sys_mount+0x313/0x410
[  309.913716][ T6655]  ? __pfx___se_sys_mount+0x10/0x10
[  309.913753][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.913783][ T6655]  ? __x64_sys_mount+0x20/0xc0
[  309.913816][ T6655]  do_syscall_64+0xfa/0xfa0
[  309.913840][ T6655]  ? lockdep_hardirqs_on+0x9c/0x150
[  309.913864][ T6655]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.913888][ T6655]  ? srso_alias_return_thunk+0x5/0xfbef5
[  309.913917][ T6655]  ? exc_page_fault+0xab/0x100
[  309.913944][ T6655]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  309.913968][ T6655] RIP: 0033:0x7fd96079066a
[  309.913989][ T6655] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  309.914010][ T6655] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  309.914036][ T6655] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  309.914056][ T6655] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  309.914075][ T6655] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  309.914094][ T6655] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  309.914112][ T6655] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  309.914149][ T6655]  </TASK>
[  310.294636][ T6655] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  310.310775][ T6655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  310.707608][ T6659] loop1: detected capacity change from 0 to 32768
[  310.726542][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  310.734513][ T6659] CPU: 1 UID: 0 PID: 6659 Comm: syz.1.143 Not tainted syzkaller #0 PREEMPT(full) 
[  310.734545][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  310.734561][ T6659] Call Trace:
[  310.734571][ T6659]  <TASK>
[  310.734582][ T6659]  dump_stack_lvl+0x189/0x250
[  310.734620][ T6659]  ? __pfx_dump_stack_lvl+0x10/0x10
[  310.734647][ T6659]  ? __pfx__printk+0x10/0x10
[  310.734680][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.734711][ T6659]  ? kernfs_path_from_node+0x250/0x290
[  310.734735][ T6659]  ? kernfs_path_from_node+0x2f/0x290
[  310.734764][ T6659]  sysfs_create_dir_ns+0x259/0x280
[  310.734808][ T6659]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  310.734850][ T6659]  ? do_raw_spin_unlock+0x122/0x240
[  310.734883][ T6659]  kobject_add_internal+0x59f/0xb40
[  310.734925][ T6659]  kobject_init_and_add+0x125/0x190
[  310.734961][ T6659]  ? __pfx_kobject_init_and_add+0x10/0x10
[  310.734993][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.735024][ T6659]  ? __raw_spin_lock_init+0x45/0x100
[  310.735053][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.735083][ T6659]  ? __init_swait_queue_head+0xa9/0x150
[  310.735125][ T6659]  gfs2_sys_fs_add+0x234/0x450
[  310.735165][ T6659]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  310.735208][ T6659]  ? is_dynamic_key+0xd6/0x1c0
[  310.735241][ T6659]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  310.735287][ T6659]  gfs2_fill_super+0x13c0/0x20d0
[  310.735334][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.735358][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.735394][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.735423][ T6659]  ? sb_set_blocksize+0x104/0x180
[  310.735454][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.735483][ T6659]  ? setup_bdev_super+0x4c1/0x5b0
[  310.735517][ T6659]  get_tree_bdev_flags+0x40e/0x4d0
[  310.735547][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  310.735573][ T6659]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  310.735601][ T6659]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  310.735640][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.735680][ T6659]  gfs2_get_tree+0x51/0x1e0
[  310.735710][ T6659]  vfs_get_tree+0x92/0x2b0
[  310.735743][ T6659]  do_new_mount+0x302/0xa10
[  310.735773][ T6659]  ? apparmor_capable+0x137/0x1b0
[  310.735816][ T6659]  ? __pfx_do_new_mount+0x10/0x10
[  310.735847][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.735877][ T6659]  ? ns_capable+0x8a/0xf0
[  310.735914][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.735945][ T6659]  ? kmem_cache_free+0x19b/0x690
[  310.735988][ T6659]  __se_sys_mount+0x313/0x410
[  310.736028][ T6659]  ? __pfx___se_sys_mount+0x10/0x10
[  310.736065][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.736120][ T6659]  ? __x64_sys_mount+0x20/0xc0
[  310.736156][ T6659]  do_syscall_64+0xfa/0xfa0
[  310.736181][ T6659]  ? lockdep_hardirqs_on+0x9c/0x150
[  310.736206][ T6659]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.736230][ T6659]  ? srso_alias_return_thunk+0x5/0xfbef5
[  310.736260][ T6659]  ? exc_page_fault+0xab/0x100
[  310.736287][ T6659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  310.736312][ T6659] RIP: 0033:0x7fd96079066a
[  310.736336][ T6659] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  310.736359][ T6659] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  310.736386][ T6659] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  310.736407][ T6659] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  310.736426][ T6659] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  310.736445][ T6659] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  310.736464][ T6659] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  310.736504][ T6659]  </TASK>
[  310.736532][ T6659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  311.118631][ T6659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  311.752602][ T6663] loop1: detected capacity change from 0 to 32768
[  311.783768][ T6663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  311.791150][ T6663] CPU: 0 UID: 0 PID: 6663 Comm: syz.1.144 Not tainted syzkaller #0 PREEMPT(full) 
[  311.791176][ T6663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  311.791190][ T6663] Call Trace:
[  311.791199][ T6663]  <TASK>
[  311.791208][ T6663]  dump_stack_lvl+0x189/0x250
[  311.791239][ T6663]  ? __pfx_dump_stack_lvl+0x10/0x10
[  311.791264][ T6663]  ? __pfx__printk+0x10/0x10
[  311.791293][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.791319][ T6663]  ? kernfs_path_from_node+0x250/0x290
[  311.791340][ T6663]  ? kernfs_path_from_node+0x2f/0x290
[  311.791365][ T6663]  sysfs_create_dir_ns+0x259/0x280
[  311.791404][ T6663]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  311.791443][ T6663]  ? do_raw_spin_unlock+0x122/0x240
[  311.791472][ T6663]  kobject_add_internal+0x59f/0xb40
[  311.791510][ T6663]  kobject_init_and_add+0x125/0x190
[  311.791543][ T6663]  ? __pfx_kobject_init_and_add+0x10/0x10
[  311.791571][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.791597][ T6663]  ? __raw_spin_lock_init+0x45/0x100
[  311.791623][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.791649][ T6663]  ? __init_swait_queue_head+0xa9/0x150
[  311.791677][ T6663]  gfs2_sys_fs_add+0x234/0x450
[  311.791711][ T6663]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  311.791750][ T6663]  ? is_dynamic_key+0xd6/0x1c0
[  311.791779][ T6663]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  311.791820][ T6663]  gfs2_fill_super+0x13c0/0x20d0
[  311.791861][ T6663]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.791882][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.791915][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.791941][ T6663]  ? sb_set_blocksize+0x104/0x180
[  311.791969][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.791995][ T6663]  ? setup_bdev_super+0x4c1/0x5b0
[  311.792025][ T6663]  get_tree_bdev_flags+0x40e/0x4d0
[  311.792052][ T6663]  ? __pfx_gfs2_fill_super+0x10/0x10
[  311.792076][ T6663]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  311.792100][ T6663]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  311.792139][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.792174][ T6663]  gfs2_get_tree+0x51/0x1e0
[  311.792201][ T6663]  vfs_get_tree+0x92/0x2b0
[  311.792230][ T6663]  do_new_mount+0x302/0xa10
[  311.792256][ T6663]  ? apparmor_capable+0x137/0x1b0
[  311.792300][ T6663]  ? __pfx_do_new_mount+0x10/0x10
[  311.792335][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.792367][ T6663]  ? ns_capable+0x8a/0xf0
[  311.792413][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.792452][ T6663]  ? kmem_cache_free+0x19b/0x690
[  311.792505][ T6663]  __se_sys_mount+0x313/0x410
[  311.792555][ T6663]  ? __pfx___se_sys_mount+0x10/0x10
[  311.792603][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.792645][ T6663]  ? __x64_sys_mount+0x20/0xc0
[  311.792689][ T6663]  do_syscall_64+0xfa/0xfa0
[  311.792724][ T6663]  ? lockdep_hardirqs_on+0x9c/0x150
[  311.792758][ T6663]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.792793][ T6663]  ? srso_alias_return_thunk+0x5/0xfbef5
[  311.792834][ T6663]  ? exc_page_fault+0xab/0x100
[  311.792871][ T6663]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  311.792906][ T6663] RIP: 0033:0x7fd96079066a
[  311.792936][ T6663] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  311.792967][ T6663] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  311.793004][ T6663] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  311.793031][ T6663] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  311.793058][ T6663] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  311.793084][ T6663] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  311.793109][ T6663] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  311.793172][ T6663]  </TASK>
[  312.170646][ T6663] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  312.186489][ T6663] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/14 04:02:06 executed programs: 130
[  312.698961][ T6667] loop1: detected capacity change from 0 to 32768
[  312.721618][ T6667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  312.729516][ T6667] CPU: 1 UID: 0 PID: 6667 Comm: syz.1.145 Not tainted syzkaller #0 PREEMPT(full) 
[  312.729548][ T6667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  312.729564][ T6667] Call Trace:
[  312.729575][ T6667]  <TASK>
[  312.729586][ T6667]  dump_stack_lvl+0x189/0x250
[  312.729623][ T6667]  ? __pfx_dump_stack_lvl+0x10/0x10
[  312.729651][ T6667]  ? __pfx__printk+0x10/0x10
[  312.729684][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.729714][ T6667]  ? kernfs_path_from_node+0x250/0x290
[  312.729737][ T6667]  ? kernfs_path_from_node+0x2f/0x290
[  312.729765][ T6667]  sysfs_create_dir_ns+0x259/0x280
[  312.729808][ T6667]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  312.729850][ T6667]  ? do_raw_spin_unlock+0x122/0x240
[  312.729884][ T6667]  kobject_add_internal+0x59f/0xb40
[  312.729925][ T6667]  kobject_init_and_add+0x125/0x190
[  312.729962][ T6667]  ? __pfx_kobject_init_and_add+0x10/0x10
[  312.729994][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.730024][ T6667]  ? __raw_spin_lock_init+0x45/0x100
[  312.730053][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.730083][ T6667]  ? __init_swait_queue_head+0xa9/0x150
[  312.730123][ T6667]  gfs2_sys_fs_add+0x234/0x450
[  312.730162][ T6667]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  312.730205][ T6667]  ? is_dynamic_key+0xd6/0x1c0
[  312.730239][ T6667]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  312.730286][ T6667]  gfs2_fill_super+0x13c0/0x20d0
[  312.730331][ T6667]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.730355][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.730392][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.730421][ T6667]  ? sb_set_blocksize+0x104/0x180
[  312.730452][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.730481][ T6667]  ? setup_bdev_super+0x4c1/0x5b0
[  312.730515][ T6667]  get_tree_bdev_flags+0x40e/0x4d0
[  312.730545][ T6667]  ? __pfx_gfs2_fill_super+0x10/0x10
[  312.730572][ T6667]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  312.730599][ T6667]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  312.730638][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.730677][ T6667]  gfs2_get_tree+0x51/0x1e0
[  312.730708][ T6667]  vfs_get_tree+0x92/0x2b0
[  312.730742][ T6667]  do_new_mount+0x302/0xa10
[  312.730772][ T6667]  ? apparmor_capable+0x137/0x1b0
[  312.730815][ T6667]  ? __pfx_do_new_mount+0x10/0x10
[  312.730846][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.730876][ T6667]  ? ns_capable+0x8a/0xf0
[  312.730914][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.730945][ T6667]  ? kmem_cache_free+0x19b/0x690
[  312.730988][ T6667]  __se_sys_mount+0x313/0x410
[  312.731027][ T6667]  ? __pfx___se_sys_mount+0x10/0x10
[  312.731064][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.731093][ T6667]  ? __x64_sys_mount+0x20/0xc0
[  312.731136][ T6667]  do_syscall_64+0xfa/0xfa0
[  312.731161][ T6667]  ? lockdep_hardirqs_on+0x9c/0x150
[  312.731187][ T6667]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.731212][ T6667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  312.731241][ T6667]  ? exc_page_fault+0xab/0x100
[  312.731269][ T6667]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  312.731294][ T6667] RIP: 0033:0x7fd96079066a
[  312.731318][ T6667] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  312.731341][ T6667] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  312.731368][ T6667] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  312.731388][ T6667] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  312.731408][ T6667] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  312.731428][ T6667] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  312.731445][ T6667] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  312.731485][ T6667]  </TASK>
[  312.731515][ T6667] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  313.113452][ T6667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  313.651786][ T6671] loop1: detected capacity change from 0 to 32768
[  313.672267][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  313.680206][ T6671] CPU: 1 UID: 0 PID: 6671 Comm: syz.1.146 Not tainted syzkaller #0 PREEMPT(full) 
[  313.680247][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  313.680268][ T6671] Call Trace:
[  313.680279][ T6671]  <TASK>
[  313.680291][ T6671]  dump_stack_lvl+0x189/0x250
[  313.680335][ T6671]  ? __pfx_dump_stack_lvl+0x10/0x10
[  313.680372][ T6671]  ? __pfx__printk+0x10/0x10
[  313.680414][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.680451][ T6671]  ? kernfs_path_from_node+0x250/0x290
[  313.680482][ T6671]  ? kernfs_path_from_node+0x2f/0x290
[  313.680520][ T6671]  sysfs_create_dir_ns+0x259/0x280
[  313.680582][ T6671]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  313.680643][ T6671]  ? do_raw_spin_unlock+0x122/0x240
[  313.680689][ T6671]  kobject_add_internal+0x59f/0xb40
[  313.680741][ T6671]  kobject_init_and_add+0x125/0x190
[  313.680784][ T6671]  ? __pfx_kobject_init_and_add+0x10/0x10
[  313.680820][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.680855][ T6671]  ? __raw_spin_lock_init+0x45/0x100
[  313.680888][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.680922][ T6671]  ? __init_swait_queue_head+0xa9/0x150
[  313.680960][ T6671]  gfs2_sys_fs_add+0x234/0x450
[  313.681006][ T6671]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  313.681058][ T6671]  ? is_dynamic_key+0xd6/0x1c0
[  313.681097][ T6671]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  313.681156][ T6671]  gfs2_fill_super+0x13c0/0x20d0
[  313.681222][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.681250][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.681292][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.681327][ T6671]  ? sb_set_blocksize+0x104/0x180
[  313.681363][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.681398][ T6671]  ? setup_bdev_super+0x4c1/0x5b0
[  313.681438][ T6671]  get_tree_bdev_flags+0x40e/0x4d0
[  313.681472][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  313.681504][ T6671]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  313.681537][ T6671]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  313.681585][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.681633][ T6671]  gfs2_get_tree+0x51/0x1e0
[  313.681670][ T6671]  vfs_get_tree+0x92/0x2b0
[  313.681708][ T6671]  do_new_mount+0x302/0xa10
[  313.681738][ T6671]  ? apparmor_capable+0x137/0x1b0
[  313.681782][ T6671]  ? __pfx_do_new_mount+0x10/0x10
[  313.681814][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.681843][ T6671]  ? ns_capable+0x8a/0xf0
[  313.681885][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.681917][ T6671]  ? kmem_cache_free+0x19b/0x690
[  313.681962][ T6671]  __se_sys_mount+0x313/0x410
[  313.682004][ T6671]  ? __pfx___se_sys_mount+0x10/0x10
[  313.682043][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.682075][ T6671]  ? __x64_sys_mount+0x20/0xc0
[  313.682111][ T6671]  do_syscall_64+0xfa/0xfa0
[  313.682137][ T6671]  ? lockdep_hardirqs_on+0x9c/0x150
[  313.682214][ T6671]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.682240][ T6671]  ? srso_alias_return_thunk+0x5/0xfbef5
[  313.682270][ T6671]  ? exc_page_fault+0xab/0x100
[  313.682298][ T6671]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  313.682325][ T6671] RIP: 0033:0x7fd96079066a
[  313.682347][ T6671] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  313.682372][ T6671] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  313.682399][ T6671] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  313.682419][ T6671] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  313.682440][ T6671] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  313.682459][ T6671] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  313.682477][ T6671] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  313.682519][ T6671]  </TASK>
[  313.682566][ T6671] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  314.063941][ T6671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  314.603129][ T6676] loop1: detected capacity change from 0 to 32768
[  314.617428][ T6676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  314.626262][ T6676] CPU: 0 UID: 0 PID: 6676 Comm: syz.1.147 Not tainted syzkaller #0 PREEMPT(full) 
[  314.626294][ T6676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  314.626310][ T6676] Call Trace:
[  314.626321][ T6676]  <TASK>
[  314.626331][ T6676]  dump_stack_lvl+0x189/0x250
[  314.626368][ T6676]  ? __pfx_dump_stack_lvl+0x10/0x10
[  314.626396][ T6676]  ? __pfx__printk+0x10/0x10
[  314.626429][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.626459][ T6676]  ? kernfs_path_from_node+0x250/0x290
[  314.626482][ T6676]  ? kernfs_path_from_node+0x2f/0x290
[  314.626510][ T6676]  sysfs_create_dir_ns+0x259/0x280
[  314.626553][ T6676]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  314.626595][ T6676]  ? do_raw_spin_unlock+0x122/0x240
[  314.626629][ T6676]  kobject_add_internal+0x59f/0xb40
[  314.626670][ T6676]  kobject_init_and_add+0x125/0x190
[  314.626706][ T6676]  ? __pfx_kobject_init_and_add+0x10/0x10
[  314.626738][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.626767][ T6676]  ? __raw_spin_lock_init+0x45/0x100
[  314.626795][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.626823][ T6676]  ? __init_swait_queue_head+0xa9/0x150
[  314.626854][ T6676]  gfs2_sys_fs_add+0x234/0x450
[  314.626893][ T6676]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  314.626935][ T6676]  ? is_dynamic_key+0xd6/0x1c0
[  314.626968][ T6676]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  314.627013][ T6676]  gfs2_fill_super+0x13c0/0x20d0
[  314.627059][ T6676]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.627083][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.627126][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.627155][ T6676]  ? sb_set_blocksize+0x104/0x180
[  314.627186][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.627215][ T6676]  ? setup_bdev_super+0x4c1/0x5b0
[  314.627249][ T6676]  get_tree_bdev_flags+0x40e/0x4d0
[  314.627279][ T6676]  ? __pfx_gfs2_fill_super+0x10/0x10
[  314.627306][ T6676]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  314.627333][ T6676]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  314.627372][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.627411][ T6676]  gfs2_get_tree+0x51/0x1e0
[  314.627440][ T6676]  vfs_get_tree+0x92/0x2b0
[  314.627471][ T6676]  do_new_mount+0x302/0xa10
[  314.627498][ T6676]  ? apparmor_capable+0x137/0x1b0
[  314.627540][ T6676]  ? __pfx_do_new_mount+0x10/0x10
[  314.627569][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.627597][ T6676]  ? ns_capable+0x8a/0xf0
[  314.627634][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.627663][ T6676]  ? kmem_cache_free+0x19b/0x690
[  314.627706][ T6676]  __se_sys_mount+0x313/0x410
[  314.627743][ T6676]  ? __pfx___se_sys_mount+0x10/0x10
[  314.627780][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.627807][ T6676]  ? __x64_sys_mount+0x20/0xc0
[  314.627839][ T6676]  do_syscall_64+0xfa/0xfa0
[  314.627863][ T6676]  ? lockdep_hardirqs_on+0x9c/0x150
[  314.627887][ T6676]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.627910][ T6676]  ? srso_alias_return_thunk+0x5/0xfbef5
[  314.627938][ T6676]  ? exc_page_fault+0xab/0x100
[  314.627970][ T6676]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  314.627993][ T6676] RIP: 0033:0x7fd96079066a
[  314.628015][ T6676] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  314.628038][ T6676] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  314.628065][ T6676] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  314.628085][ T6676] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  314.628104][ T6676] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  314.628130][ T6676] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  314.628148][ T6676] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  314.628187][ T6676]  </TASK>
[  314.628217][ T6676] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.014409][ T6676] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  315.554231][ T6682] loop1: detected capacity change from 0 to 32768
[  315.577714][ T6682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  315.585267][ T6682] CPU: 0 UID: 0 PID: 6682 Comm: syz.1.148 Not tainted syzkaller #0 PREEMPT(full) 
[  315.585299][ T6682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  315.585315][ T6682] Call Trace:
[  315.585327][ T6682]  <TASK>
[  315.585338][ T6682]  dump_stack_lvl+0x189/0x250
[  315.585382][ T6682]  ? __pfx_dump_stack_lvl+0x10/0x10
[  315.585410][ T6682]  ? __pfx__printk+0x10/0x10
[  315.585443][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.585474][ T6682]  ? kernfs_path_from_node+0x250/0x290
[  315.585498][ T6682]  ? kernfs_path_from_node+0x2f/0x290
[  315.585527][ T6682]  sysfs_create_dir_ns+0x259/0x280
[  315.585572][ T6682]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  315.585618][ T6682]  ? do_raw_spin_unlock+0x122/0x240
[  315.585654][ T6682]  kobject_add_internal+0x59f/0xb40
[  315.585697][ T6682]  kobject_init_and_add+0x125/0x190
[  315.585735][ T6682]  ? __pfx_kobject_init_and_add+0x10/0x10
[  315.585767][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.585797][ T6682]  ? __raw_spin_lock_init+0x45/0x100
[  315.585827][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.585857][ T6682]  ? __init_swait_queue_head+0xa9/0x150
[  315.585889][ T6682]  gfs2_sys_fs_add+0x234/0x450
[  315.585929][ T6682]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  315.585972][ T6682]  ? is_dynamic_key+0xd6/0x1c0
[  315.586005][ T6682]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  315.586051][ T6682]  gfs2_fill_super+0x13c0/0x20d0
[  315.586098][ T6682]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.586121][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.586158][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.586188][ T6682]  ? sb_set_blocksize+0x104/0x180
[  315.586219][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.586249][ T6682]  ? setup_bdev_super+0x4c1/0x5b0
[  315.586285][ T6682]  get_tree_bdev_flags+0x40e/0x4d0
[  315.586315][ T6682]  ? __pfx_gfs2_fill_super+0x10/0x10
[  315.586343][ T6682]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  315.586379][ T6682]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  315.586418][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.586461][ T6682]  gfs2_get_tree+0x51/0x1e0
[  315.586493][ T6682]  vfs_get_tree+0x92/0x2b0
[  315.586526][ T6682]  do_new_mount+0x302/0xa10
[  315.586555][ T6682]  ? apparmor_capable+0x137/0x1b0
[  315.586598][ T6682]  ? __pfx_do_new_mount+0x10/0x10
[  315.586629][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.586658][ T6682]  ? ns_capable+0x8a/0xf0
[  315.586696][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.586727][ T6682]  ? kmem_cache_free+0x19b/0x690
[  315.586771][ T6682]  __se_sys_mount+0x313/0x410
[  315.586811][ T6682]  ? __pfx___se_sys_mount+0x10/0x10
[  315.586849][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.586879][ T6682]  ? __x64_sys_mount+0x20/0xc0
[  315.586915][ T6682]  do_syscall_64+0xfa/0xfa0
[  315.586941][ T6682]  ? lockdep_hardirqs_on+0x9c/0x150
[  315.586967][ T6682]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.586992][ T6682]  ? srso_alias_return_thunk+0x5/0xfbef5
[  315.587022][ T6682]  ? exc_page_fault+0xab/0x100
[  315.587050][ T6682]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  315.587075][ T6682] RIP: 0033:0x7fd96079066a
[  315.587098][ T6682] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  315.587121][ T6682] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  315.587149][ T6682] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  315.587169][ T6682] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  315.587189][ T6682] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  315.587207][ T6682] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  315.587226][ T6682] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  315.587266][ T6682]  </TASK>
[  315.587380][ T6682] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  315.975357][ T6682] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  316.497782][ T6687] loop1: detected capacity change from 0 to 32768
[  316.512545][ T6687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  316.520443][ T6687] CPU: 1 UID: 0 PID: 6687 Comm: syz.1.149 Not tainted syzkaller #0 PREEMPT(full) 
[  316.520476][ T6687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  316.520492][ T6687] Call Trace:
[  316.520502][ T6687]  <TASK>
[  316.520513][ T6687]  dump_stack_lvl+0x189/0x250
[  316.520549][ T6687]  ? __pfx_dump_stack_lvl+0x10/0x10
[  316.520576][ T6687]  ? __pfx__printk+0x10/0x10
[  316.520609][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.520640][ T6687]  ? kernfs_path_from_node+0x250/0x290
[  316.520663][ T6687]  ? kernfs_path_from_node+0x2f/0x290
[  316.520692][ T6687]  sysfs_create_dir_ns+0x259/0x280
[  316.520734][ T6687]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  316.520776][ T6687]  ? do_raw_spin_unlock+0x122/0x240
[  316.520810][ T6687]  kobject_add_internal+0x59f/0xb40
[  316.520851][ T6687]  kobject_init_and_add+0x125/0x190
[  316.520888][ T6687]  ? __pfx_kobject_init_and_add+0x10/0x10
[  316.520919][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.520948][ T6687]  ? __raw_spin_lock_init+0x45/0x100
[  316.520976][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.521005][ T6687]  ? __init_swait_queue_head+0xa9/0x150
[  316.521036][ T6687]  gfs2_sys_fs_add+0x234/0x450
[  316.521075][ T6687]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  316.521116][ T6687]  ? is_dynamic_key+0xd6/0x1c0
[  316.521156][ T6687]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  316.521201][ T6687]  gfs2_fill_super+0x13c0/0x20d0
[  316.521245][ T6687]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.521269][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.521305][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.521334][ T6687]  ? sb_set_blocksize+0x104/0x180
[  316.521365][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.521394][ T6687]  ? setup_bdev_super+0x4c1/0x5b0
[  316.521429][ T6687]  get_tree_bdev_flags+0x40e/0x4d0
[  316.521459][ T6687]  ? __pfx_gfs2_fill_super+0x10/0x10
[  316.521486][ T6687]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  316.521513][ T6687]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  316.521552][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.521590][ T6687]  gfs2_get_tree+0x51/0x1e0
[  316.521620][ T6687]  vfs_get_tree+0x92/0x2b0
[  316.521653][ T6687]  do_new_mount+0x302/0xa10
[  316.521682][ T6687]  ? apparmor_capable+0x137/0x1b0
[  316.521725][ T6687]  ? __pfx_do_new_mount+0x10/0x10
[  316.521755][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.521783][ T6687]  ? ns_capable+0x8a/0xf0
[  316.521820][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.521851][ T6687]  ? kmem_cache_free+0x19b/0x690
[  316.521895][ T6687]  __se_sys_mount+0x313/0x410
[  316.521935][ T6687]  ? __pfx___se_sys_mount+0x10/0x10
[  316.521973][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.522003][ T6687]  ? __x64_sys_mount+0x20/0xc0
[  316.522037][ T6687]  do_syscall_64+0xfa/0xfa0
[  316.522063][ T6687]  ? lockdep_hardirqs_on+0x9c/0x150
[  316.522089][ T6687]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.522114][ T6687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  316.522152][ T6687]  ? exc_page_fault+0xab/0x100
[  316.522180][ T6687]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  316.522205][ T6687] RIP: 0033:0x7fd96079066a
[  316.522227][ T6687] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  316.522250][ T6687] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  316.522276][ T6687] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  316.522297][ T6687] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  316.522316][ T6687] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  316.522334][ T6687] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  316.522352][ T6687] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  316.522391][ T6687]  </TASK>
[  316.522420][ T6687] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  316.912044][ T6687] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  317.431968][ T6693] loop1: detected capacity change from 0 to 32768
[  317.459884][ T6693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.467900][ T6693] CPU: 0 UID: 0 PID: 6693 Comm: syz.1.150 Not tainted syzkaller #0 PREEMPT(full) 
[  317.467933][ T6693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  317.467950][ T6693] Call Trace:
[  317.467960][ T6693]  <TASK>
[  317.467972][ T6693]  dump_stack_lvl+0x189/0x250
[  317.468010][ T6693]  ? __pfx_dump_stack_lvl+0x10/0x10
[  317.468039][ T6693]  ? __pfx__printk+0x10/0x10
[  317.468075][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.468108][ T6693]  ? kernfs_path_from_node+0x250/0x290
[  317.468130][ T6693]  ? kernfs_path_from_node+0x2f/0x290
[  317.468159][ T6693]  sysfs_create_dir_ns+0x259/0x280
[  317.468205][ T6693]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  317.468250][ T6693]  ? do_raw_spin_unlock+0x122/0x240
[  317.468285][ T6693]  kobject_add_internal+0x59f/0xb40
[  317.468328][ T6693]  kobject_init_and_add+0x125/0x190
[  317.468366][ T6693]  ? __pfx_kobject_init_and_add+0x10/0x10
[  317.468406][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.468435][ T6693]  ? __raw_spin_lock_init+0x45/0x100
[  317.468465][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.468495][ T6693]  ? __init_swait_queue_head+0xa9/0x150
[  317.468528][ T6693]  gfs2_sys_fs_add+0x234/0x450
[  317.468569][ T6693]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  317.468614][ T6693]  ? is_dynamic_key+0xd6/0x1c0
[  317.468648][ T6693]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  317.468695][ T6693]  gfs2_fill_super+0x13c0/0x20d0
[  317.468743][ T6693]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.468766][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.468803][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.468832][ T6693]  ? sb_set_blocksize+0x104/0x180
[  317.468863][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.468892][ T6693]  ? setup_bdev_super+0x4c1/0x5b0
[  317.468926][ T6693]  get_tree_bdev_flags+0x40e/0x4d0
[  317.468955][ T6693]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.468982][ T6693]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  317.469009][ T6693]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  317.469047][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.469085][ T6693]  gfs2_get_tree+0x51/0x1e0
[  317.469115][ T6693]  vfs_get_tree+0x92/0x2b0
[  317.469147][ T6693]  do_new_mount+0x302/0xa10
[  317.469177][ T6693]  ? apparmor_capable+0x137/0x1b0
[  317.469219][ T6693]  ? __pfx_do_new_mount+0x10/0x10
[  317.469249][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.469278][ T6693]  ? ns_capable+0x8a/0xf0
[  317.469315][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.469346][ T6693]  ? kmem_cache_free+0x19b/0x690
[  317.469394][ T6693]  __se_sys_mount+0x313/0x410
[  317.469433][ T6693]  ? __pfx___se_sys_mount+0x10/0x10
[  317.469470][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.469499][ T6693]  ? __x64_sys_mount+0x20/0xc0
[  317.469534][ T6693]  do_syscall_64+0xfa/0xfa0
[  317.469559][ T6693]  ? lockdep_hardirqs_on+0x9c/0x150
[  317.469584][ T6693]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.469609][ T6693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  317.469638][ T6693]  ? exc_page_fault+0xab/0x100
[  317.469664][ T6693]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.469690][ T6693] RIP: 0033:0x7fd96079066a
[  317.469712][ T6693] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  317.469734][ T6693] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.469761][ T6693] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  317.469781][ T6693] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  317.469800][ T6693] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  317.469819][ T6693] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  317.469836][ T6693] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  317.469875][ T6693]  </TASK>
[  317.469903][ T6693] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.857927][ T6693] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/14 04:02:12 executed programs: 136
[  318.380548][ T6697] loop1: detected capacity change from 0 to 32768
[  318.390964][ T6697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.399848][ T6697] CPU: 1 UID: 0 PID: 6697 Comm: syz.1.151 Not tainted syzkaller #0 PREEMPT(full) 
[  318.399879][ T6697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  318.399895][ T6697] Call Trace:
[  318.399905][ T6697]  <TASK>
[  318.399916][ T6697]  dump_stack_lvl+0x189/0x250
[  318.399951][ T6697]  ? __pfx_dump_stack_lvl+0x10/0x10
[  318.399979][ T6697]  ? __pfx__printk+0x10/0x10
[  318.400012][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.400044][ T6697]  ? kernfs_path_from_node+0x250/0x290
[  318.400068][ T6697]  ? kernfs_path_from_node+0x2f/0x290
[  318.400097][ T6697]  sysfs_create_dir_ns+0x259/0x280
[  318.400150][ T6697]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  318.400193][ T6697]  ? do_raw_spin_unlock+0x122/0x240
[  318.400227][ T6697]  kobject_add_internal+0x59f/0xb40
[  318.400269][ T6697]  kobject_init_and_add+0x125/0x190
[  318.400307][ T6697]  ? __pfx_kobject_init_and_add+0x10/0x10
[  318.400338][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.400367][ T6697]  ? __raw_spin_lock_init+0x45/0x100
[  318.400396][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.400426][ T6697]  ? __init_swait_queue_head+0xa9/0x150
[  318.400457][ T6697]  gfs2_sys_fs_add+0x234/0x450
[  318.400496][ T6697]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  318.400538][ T6697]  ? is_dynamic_key+0xd6/0x1c0
[  318.400570][ T6697]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  318.400616][ T6697]  gfs2_fill_super+0x13c0/0x20d0
[  318.400662][ T6697]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.400686][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.400723][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.400753][ T6697]  ? sb_set_blocksize+0x104/0x180
[  318.400785][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.400815][ T6697]  ? setup_bdev_super+0x4c1/0x5b0
[  318.400849][ T6697]  get_tree_bdev_flags+0x40e/0x4d0
[  318.400879][ T6697]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.400906][ T6697]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  318.400934][ T6697]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  318.400973][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.401011][ T6697]  gfs2_get_tree+0x51/0x1e0
[  318.401042][ T6697]  vfs_get_tree+0x92/0x2b0
[  318.401074][ T6697]  do_new_mount+0x302/0xa10
[  318.401103][ T6697]  ? apparmor_capable+0x137/0x1b0
[  318.401153][ T6697]  ? __pfx_do_new_mount+0x10/0x10
[  318.401184][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.401213][ T6697]  ? ns_capable+0x8a/0xf0
[  318.401250][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.401282][ T6697]  ? kmem_cache_free+0x19b/0x690
[  318.401326][ T6697]  __se_sys_mount+0x313/0x410
[  318.401366][ T6697]  ? __pfx___se_sys_mount+0x10/0x10
[  318.401404][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.401434][ T6697]  ? __x64_sys_mount+0x20/0xc0
[  318.401469][ T6697]  do_syscall_64+0xfa/0xfa0
[  318.401494][ T6697]  ? lockdep_hardirqs_on+0x9c/0x150
[  318.401520][ T6697]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.401545][ T6697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  318.401575][ T6697]  ? exc_page_fault+0xab/0x100
[  318.401602][ T6697]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.401627][ T6697] RIP: 0033:0x7fd96079066a
[  318.401650][ T6697] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  318.401673][ T6697] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.401700][ T6697] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  318.401719][ T6697] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  318.401739][ T6697] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  318.401757][ T6697] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  318.401774][ T6697] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  318.401814][ T6697]  </TASK>
[  318.401842][ T6697] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.614012][ T5889] Bluetooth: hci1: command 0x0406 tx timeout
[  318.616071][ T6697] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.336007][ T6701] loop1: detected capacity change from 0 to 32768
[  319.357642][ T6701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.365287][ T6701] CPU: 1 UID: 0 PID: 6701 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full) 
[  319.365320][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  319.365336][ T6701] Call Trace:
[  319.365347][ T6701]  <TASK>
[  319.365357][ T6701]  dump_stack_lvl+0x189/0x250
[  319.365409][ T6701]  ? __pfx_dump_stack_lvl+0x10/0x10
[  319.365438][ T6701]  ? __pfx__printk+0x10/0x10
[  319.365474][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.365506][ T6701]  ? kernfs_path_from_node+0x250/0x290
[  319.365529][ T6701]  ? kernfs_path_from_node+0x2f/0x290
[  319.365558][ T6701]  sysfs_create_dir_ns+0x259/0x280
[  319.365603][ T6701]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  319.365646][ T6701]  ? do_raw_spin_unlock+0x122/0x240
[  319.365680][ T6701]  kobject_add_internal+0x59f/0xb40
[  319.365724][ T6701]  kobject_init_and_add+0x125/0x190
[  319.365763][ T6701]  ? __pfx_kobject_init_and_add+0x10/0x10
[  319.365795][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.365825][ T6701]  ? __raw_spin_lock_init+0x45/0x100
[  319.365854][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.365884][ T6701]  ? __init_swait_queue_head+0xa9/0x150
[  319.365915][ T6701]  gfs2_sys_fs_add+0x234/0x450
[  319.365954][ T6701]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  319.365997][ T6701]  ? is_dynamic_key+0xd6/0x1c0
[  319.366029][ T6701]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  319.366076][ T6701]  gfs2_fill_super+0x13c0/0x20d0
[  319.366122][ T6701]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.366146][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.366182][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.366213][ T6701]  ? sb_set_blocksize+0x104/0x180
[  319.366245][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.366275][ T6701]  ? setup_bdev_super+0x4c1/0x5b0
[  319.366310][ T6701]  get_tree_bdev_flags+0x40e/0x4d0
[  319.366341][ T6701]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.366378][ T6701]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  319.366406][ T6701]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  319.366446][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.366485][ T6701]  gfs2_get_tree+0x51/0x1e0
[  319.366516][ T6701]  vfs_get_tree+0x92/0x2b0
[  319.366549][ T6701]  do_new_mount+0x302/0xa10
[  319.366579][ T6701]  ? apparmor_capable+0x137/0x1b0
[  319.366622][ T6701]  ? __pfx_do_new_mount+0x10/0x10
[  319.366652][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.366682][ T6701]  ? ns_capable+0x8a/0xf0
[  319.366720][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.366751][ T6701]  ? kmem_cache_free+0x19b/0x690
[  319.366795][ T6701]  __se_sys_mount+0x313/0x410
[  319.366836][ T6701]  ? __pfx___se_sys_mount+0x10/0x10
[  319.366874][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.366905][ T6701]  ? __x64_sys_mount+0x20/0xc0
[  319.366940][ T6701]  do_syscall_64+0xfa/0xfa0
[  319.366966][ T6701]  ? lockdep_hardirqs_on+0x9c/0x150
[  319.366992][ T6701]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.367017][ T6701]  ? srso_alias_return_thunk+0x5/0xfbef5
[  319.367047][ T6701]  ? exc_page_fault+0xab/0x100
[  319.367075][ T6701]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.367100][ T6701] RIP: 0033:0x7fd96079066a
[  319.367123][ T6701] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  319.367147][ T6701] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.367173][ T6701] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  319.367194][ T6701] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  319.367213][ T6701] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  319.367232][ T6701] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  319.367249][ T6701] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  319.367289][ T6701]  </TASK>
[  319.367357][ T6701] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.749511][ T6701] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.295814][ T6705] loop1: detected capacity change from 0 to 32768
[  320.309786][ T6705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.317660][ T6705] CPU: 1 UID: 0 PID: 6705 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) 
[  320.317691][ T6705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  320.317707][ T6705] Call Trace:
[  320.317717][ T6705]  <TASK>
[  320.317727][ T6705]  dump_stack_lvl+0x189/0x250
[  320.317764][ T6705]  ? __pfx_dump_stack_lvl+0x10/0x10
[  320.317792][ T6705]  ? __pfx__printk+0x10/0x10
[  320.317825][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.317856][ T6705]  ? kernfs_path_from_node+0x250/0x290
[  320.317880][ T6705]  ? kernfs_path_from_node+0x2f/0x290
[  320.317909][ T6705]  sysfs_create_dir_ns+0x259/0x280
[  320.317953][ T6705]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  320.317996][ T6705]  ? do_raw_spin_unlock+0x122/0x240
[  320.318031][ T6705]  kobject_add_internal+0x59f/0xb40
[  320.318073][ T6705]  kobject_init_and_add+0x125/0x190
[  320.318111][ T6705]  ? __pfx_kobject_init_and_add+0x10/0x10
[  320.318142][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.318172][ T6705]  ? __raw_spin_lock_init+0x45/0x100
[  320.318208][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.318238][ T6705]  ? __init_swait_queue_head+0xa9/0x150
[  320.318269][ T6705]  gfs2_sys_fs_add+0x234/0x450
[  320.318308][ T6705]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  320.318350][ T6705]  ? is_dynamic_key+0xd6/0x1c0
[  320.318383][ T6705]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  320.318428][ T6705]  gfs2_fill_super+0x13c0/0x20d0
[  320.318474][ T6705]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.318498][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.318535][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.318565][ T6705]  ? sb_set_blocksize+0x104/0x180
[  320.318597][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.318626][ T6705]  ? setup_bdev_super+0x4c1/0x5b0
[  320.318661][ T6705]  get_tree_bdev_flags+0x40e/0x4d0
[  320.318691][ T6705]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.318718][ T6705]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  320.318746][ T6705]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  320.318785][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.318824][ T6705]  gfs2_get_tree+0x51/0x1e0
[  320.318854][ T6705]  vfs_get_tree+0x92/0x2b0
[  320.318886][ T6705]  do_new_mount+0x302/0xa10
[  320.318915][ T6705]  ? apparmor_capable+0x137/0x1b0
[  320.318957][ T6705]  ? __pfx_do_new_mount+0x10/0x10
[  320.318987][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.319016][ T6705]  ? ns_capable+0x8a/0xf0
[  320.319053][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.319084][ T6705]  ? kmem_cache_free+0x19b/0x690
[  320.319128][ T6705]  __se_sys_mount+0x313/0x410
[  320.319169][ T6705]  ? __pfx___se_sys_mount+0x10/0x10
[  320.319215][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.319245][ T6705]  ? __x64_sys_mount+0x20/0xc0
[  320.319280][ T6705]  do_syscall_64+0xfa/0xfa0
[  320.319306][ T6705]  ? lockdep_hardirqs_on+0x9c/0x150
[  320.319331][ T6705]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.319356][ T6705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  320.319386][ T6705]  ? exc_page_fault+0xab/0x100
[  320.319414][ T6705]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.319439][ T6705] RIP: 0033:0x7fd96079066a
[  320.319461][ T6705] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  320.319483][ T6705] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.319510][ T6705] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  320.319531][ T6705] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  320.319550][ T6705] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  320.319568][ T6705] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  320.319585][ T6705] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  320.319626][ T6705]  </TASK>
[  320.319653][ T6705] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.701098][ T6705] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.217600][ T6709] loop1: detected capacity change from 0 to 32768
[  321.228909][ T6709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.236840][ T6709] CPU: 1 UID: 0 PID: 6709 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) 
[  321.236872][ T6709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  321.236888][ T6709] Call Trace:
[  321.236898][ T6709]  <TASK>
[  321.236908][ T6709]  dump_stack_lvl+0x189/0x250
[  321.236945][ T6709]  ? __pfx_dump_stack_lvl+0x10/0x10
[  321.236973][ T6709]  ? __pfx__printk+0x10/0x10
[  321.237005][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.237036][ T6709]  ? kernfs_path_from_node+0x250/0x290
[  321.237059][ T6709]  ? kernfs_path_from_node+0x2f/0x290
[  321.237088][ T6709]  sysfs_create_dir_ns+0x259/0x280
[  321.237140][ T6709]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  321.237182][ T6709]  ? do_raw_spin_unlock+0x122/0x240
[  321.237216][ T6709]  kobject_add_internal+0x59f/0xb40
[  321.237259][ T6709]  kobject_init_and_add+0x125/0x190
[  321.237296][ T6709]  ? __pfx_kobject_init_and_add+0x10/0x10
[  321.237327][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.237356][ T6709]  ? __raw_spin_lock_init+0x45/0x100
[  321.237385][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.237414][ T6709]  ? __init_swait_queue_head+0xa9/0x150
[  321.237445][ T6709]  gfs2_sys_fs_add+0x234/0x450
[  321.237484][ T6709]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  321.237526][ T6709]  ? is_dynamic_key+0xd6/0x1c0
[  321.237562][ T6709]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  321.237607][ T6709]  gfs2_fill_super+0x13c0/0x20d0
[  321.237651][ T6709]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.237674][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.237708][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.237737][ T6709]  ? sb_set_blocksize+0x104/0x180
[  321.237767][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.237795][ T6709]  ? setup_bdev_super+0x4c1/0x5b0
[  321.237827][ T6709]  get_tree_bdev_flags+0x40e/0x4d0
[  321.237855][ T6709]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.237881][ T6709]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  321.237907][ T6709]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  321.237945][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.237982][ T6709]  gfs2_get_tree+0x51/0x1e0
[  321.238010][ T6709]  vfs_get_tree+0x92/0x2b0
[  321.238042][ T6709]  do_new_mount+0x302/0xa10
[  321.238070][ T6709]  ? apparmor_capable+0x137/0x1b0
[  321.238111][ T6709]  ? __pfx_do_new_mount+0x10/0x10
[  321.238148][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.238176][ T6709]  ? ns_capable+0x8a/0xf0
[  321.238213][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.238243][ T6709]  ? kmem_cache_free+0x19b/0x690
[  321.238285][ T6709]  __se_sys_mount+0x313/0x410
[  321.238325][ T6709]  ? __pfx___se_sys_mount+0x10/0x10
[  321.238361][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.238390][ T6709]  ? __x64_sys_mount+0x20/0xc0
[  321.238425][ T6709]  do_syscall_64+0xfa/0xfa0
[  321.238450][ T6709]  ? lockdep_hardirqs_on+0x9c/0x150
[  321.238475][ T6709]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.238498][ T6709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  321.238526][ T6709]  ? exc_page_fault+0xab/0x100
[  321.238552][ T6709]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.238577][ T6709] RIP: 0033:0x7fd96079066a
[  321.238599][ T6709] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  321.238622][ T6709] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.238648][ T6709] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  321.238668][ T6709] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  321.238687][ T6709] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  321.238706][ T6709] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  321.238723][ T6709] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  321.238764][ T6709]  </TASK>
[  321.238947][ T6709] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.621591][ T6709] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.657254][ T1294] ieee802154 phy0 wpan0: encryption failed: -22
[  321.679831][ T1294] ieee802154 phy1 wpan1: encryption failed: -22
[  322.176875][ T6713] loop1: detected capacity change from 0 to 32768
[  322.191023][ T6713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.200587][ T6713] CPU: 1 UID: 0 PID: 6713 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) 
[  322.200619][ T6713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  322.200635][ T6713] Call Trace:
[  322.200646][ T6713]  <TASK>
[  322.200657][ T6713]  dump_stack_lvl+0x189/0x250
[  322.200694][ T6713]  ? __pfx_dump_stack_lvl+0x10/0x10
[  322.200721][ T6713]  ? __pfx__printk+0x10/0x10
[  322.200754][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.200785][ T6713]  ? kernfs_path_from_node+0x250/0x290
[  322.200809][ T6713]  ? kernfs_path_from_node+0x2f/0x290
[  322.200837][ T6713]  sysfs_create_dir_ns+0x259/0x280
[  322.200881][ T6713]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  322.200923][ T6713]  ? do_raw_spin_unlock+0x122/0x240
[  322.200957][ T6713]  kobject_add_internal+0x59f/0xb40
[  322.201000][ T6713]  kobject_init_and_add+0x125/0x190
[  322.201037][ T6713]  ? __pfx_kobject_init_and_add+0x10/0x10
[  322.201068][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.201097][ T6713]  ? __raw_spin_lock_init+0x45/0x100
[  322.201125][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.201154][ T6713]  ? __init_swait_queue_head+0xa9/0x150
[  322.201185][ T6713]  gfs2_sys_fs_add+0x234/0x450
[  322.201224][ T6713]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  322.201266][ T6713]  ? is_dynamic_key+0xd6/0x1c0
[  322.201298][ T6713]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  322.201344][ T6713]  gfs2_fill_super+0x13c0/0x20d0
[  322.201396][ T6713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.201420][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.201457][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.201487][ T6713]  ? sb_set_blocksize+0x104/0x180
[  322.201518][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.201548][ T6713]  ? setup_bdev_super+0x4c1/0x5b0
[  322.201582][ T6713]  get_tree_bdev_flags+0x40e/0x4d0
[  322.201612][ T6713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.201639][ T6713]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  322.201667][ T6713]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  322.201706][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.201745][ T6713]  gfs2_get_tree+0x51/0x1e0
[  322.201774][ T6713]  vfs_get_tree+0x92/0x2b0
[  322.201807][ T6713]  do_new_mount+0x302/0xa10
[  322.201836][ T6713]  ? apparmor_capable+0x137/0x1b0
[  322.201879][ T6713]  ? __pfx_do_new_mount+0x10/0x10
[  322.201909][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.201939][ T6713]  ? ns_capable+0x8a/0xf0
[  322.201976][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.202008][ T6713]  ? kmem_cache_free+0x19b/0x690
[  322.202051][ T6713]  __se_sys_mount+0x313/0x410
[  322.202090][ T6713]  ? __pfx___se_sys_mount+0x10/0x10
[  322.202127][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.202157][ T6713]  ? __x64_sys_mount+0x20/0xc0
[  322.202192][ T6713]  do_syscall_64+0xfa/0xfa0
[  322.202218][ T6713]  ? lockdep_hardirqs_on+0x9c/0x150
[  322.202243][ T6713]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.202268][ T6713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  322.202297][ T6713]  ? exc_page_fault+0xab/0x100
[  322.202323][ T6713]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.202349][ T6713] RIP: 0033:0x7fd96079066a
[  322.202377][ T6713] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  322.202400][ T6713] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.202428][ T6713] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  322.202447][ T6713] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  322.202466][ T6713] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  322.202484][ T6713] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  322.202502][ T6713] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  322.202542][ T6713]  </TASK>
[  322.202890][ T6713] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.588802][ T6713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  323.111853][ T6717] loop1: detected capacity change from 0 to 32768
[  323.146974][ T6717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.154816][ T6717] CPU: 0 UID: 0 PID: 6717 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) 
[  323.154846][ T6717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  323.154863][ T6717] Call Trace:
[  323.154873][ T6717]  <TASK>
[  323.154884][ T6717]  dump_stack_lvl+0x189/0x250
[  323.154920][ T6717]  ? __pfx_dump_stack_lvl+0x10/0x10
[  323.154949][ T6717]  ? __pfx__printk+0x10/0x10
[  323.154982][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.155012][ T6717]  ? kernfs_path_from_node+0x250/0x290
[  323.155036][ T6717]  ? kernfs_path_from_node+0x2f/0x290
[  323.155064][ T6717]  sysfs_create_dir_ns+0x259/0x280
[  323.155109][ T6717]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  323.155158][ T6717]  ? do_raw_spin_unlock+0x122/0x240
[  323.155193][ T6717]  kobject_add_internal+0x59f/0xb40
[  323.155235][ T6717]  kobject_init_and_add+0x125/0x190
[  323.155273][ T6717]  ? __pfx_kobject_init_and_add+0x10/0x10
[  323.155304][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.155333][ T6717]  ? __raw_spin_lock_init+0x45/0x100
[  323.155362][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.155392][ T6717]  ? __init_swait_queue_head+0xa9/0x150
[  323.155423][ T6717]  gfs2_sys_fs_add+0x234/0x450
[  323.155462][ T6717]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  323.155504][ T6717]  ? is_dynamic_key+0xd6/0x1c0
[  323.155536][ T6717]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  323.155583][ T6717]  gfs2_fill_super+0x13c0/0x20d0
[  323.155628][ T6717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.155652][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.155688][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.155718][ T6717]  ? sb_set_blocksize+0x104/0x180
[  323.155750][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.155780][ T6717]  ? setup_bdev_super+0x4c1/0x5b0
[  323.155814][ T6717]  get_tree_bdev_flags+0x40e/0x4d0
[  323.155844][ T6717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.155871][ T6717]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  323.155898][ T6717]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  323.155937][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.155977][ T6717]  gfs2_get_tree+0x51/0x1e0
[  323.156007][ T6717]  vfs_get_tree+0x92/0x2b0
[  323.156039][ T6717]  do_new_mount+0x302/0xa10
[  323.156068][ T6717]  ? apparmor_capable+0x137/0x1b0
[  323.156129][ T6717]  ? __pfx_do_new_mount+0x10/0x10
[  323.156160][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.156190][ T6717]  ? ns_capable+0x8a/0xf0
[  323.156228][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.156260][ T6717]  ? kmem_cache_free+0x19b/0x690
[  323.156303][ T6717]  __se_sys_mount+0x313/0x410
[  323.156343][ T6717]  ? __pfx___se_sys_mount+0x10/0x10
[  323.156380][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.156409][ T6717]  ? __x64_sys_mount+0x20/0xc0
[  323.156445][ T6717]  do_syscall_64+0xfa/0xfa0
[  323.156469][ T6717]  ? lockdep_hardirqs_on+0x9c/0x150
[  323.156495][ T6717]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.156519][ T6717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  323.156549][ T6717]  ? exc_page_fault+0xab/0x100
[  323.156575][ T6717]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.156601][ T6717] RIP: 0033:0x7fd96079066a
[  323.156623][ T6717] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  323.156645][ T6717] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.156672][ T6717] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  323.156692][ T6717] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  323.156711][ T6717] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  323.156729][ T6717] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  323.156746][ T6717] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  323.156787][ T6717]  </TASK>
[  323.156815][ T6717] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  323.546575][ T6717] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/14 04:02:18 executed programs: 142
[  324.066937][ T6721] loop1: detected capacity change from 0 to 32768
[  324.082212][ T6721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.090025][ T6721] CPU: 1 UID: 0 PID: 6721 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) 
[  324.090056][ T6721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  324.090073][ T6721] Call Trace:
[  324.090083][ T6721]  <TASK>
[  324.090093][ T6721]  dump_stack_lvl+0x189/0x250
[  324.090138][ T6721]  ? __pfx_dump_stack_lvl+0x10/0x10
[  324.090167][ T6721]  ? __pfx__printk+0x10/0x10
[  324.090200][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.090231][ T6721]  ? kernfs_path_from_node+0x250/0x290
[  324.090254][ T6721]  ? kernfs_path_from_node+0x2f/0x290
[  324.090283][ T6721]  sysfs_create_dir_ns+0x259/0x280
[  324.090327][ T6721]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  324.090370][ T6721]  ? do_raw_spin_unlock+0x122/0x240
[  324.090404][ T6721]  kobject_add_internal+0x59f/0xb40
[  324.090446][ T6721]  kobject_init_and_add+0x125/0x190
[  324.090482][ T6721]  ? __pfx_kobject_init_and_add+0x10/0x10
[  324.090513][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.090543][ T6721]  ? __raw_spin_lock_init+0x45/0x100
[  324.090572][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.090602][ T6721]  ? __init_swait_queue_head+0xa9/0x150
[  324.090634][ T6721]  gfs2_sys_fs_add+0x234/0x450
[  324.090673][ T6721]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  324.090716][ T6721]  ? is_dynamic_key+0xd6/0x1c0
[  324.090750][ T6721]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  324.090797][ T6721]  gfs2_fill_super+0x13c0/0x20d0
[  324.090843][ T6721]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.090891][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.090928][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.090957][ T6721]  ? sb_set_blocksize+0x104/0x180
[  324.090988][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.091018][ T6721]  ? setup_bdev_super+0x4c1/0x5b0
[  324.091062][ T6721]  get_tree_bdev_flags+0x40e/0x4d0
[  324.091092][ T6721]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.091123][ T6721]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  324.091151][ T6721]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  324.091189][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.091228][ T6721]  gfs2_get_tree+0x51/0x1e0
[  324.091258][ T6721]  vfs_get_tree+0x92/0x2b0
[  324.091291][ T6721]  do_new_mount+0x302/0xa10
[  324.091319][ T6721]  ? apparmor_capable+0x137/0x1b0
[  324.091362][ T6721]  ? __pfx_do_new_mount+0x10/0x10
[  324.091392][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.091422][ T6721]  ? ns_capable+0x8a/0xf0
[  324.091459][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.091490][ T6721]  ? kmem_cache_free+0x19b/0x690
[  324.091533][ T6721]  __se_sys_mount+0x313/0x410
[  324.091573][ T6721]  ? __pfx___se_sys_mount+0x10/0x10
[  324.091610][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.091640][ T6721]  ? __x64_sys_mount+0x20/0xc0
[  324.091675][ T6721]  do_syscall_64+0xfa/0xfa0
[  324.091701][ T6721]  ? lockdep_hardirqs_on+0x9c/0x150
[  324.091727][ T6721]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.091753][ T6721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  324.091782][ T6721]  ? exc_page_fault+0xab/0x100
[  324.091810][ T6721]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.091835][ T6721] RIP: 0033:0x7fd96079066a
[  324.091858][ T6721] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  324.091881][ T6721] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.091908][ T6721] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  324.091928][ T6721] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  324.091946][ T6721] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  324.091965][ T6721] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  324.091983][ T6721] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  324.092023][ T6721]  </TASK>
[  324.092050][ T6721] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.474305][ T6721] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.994202][ T6725] loop1: detected capacity change from 0 to 32768
[  325.024997][ T6725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.032411][ T6725] CPU: 1 UID: 0 PID: 6725 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) 
[  325.032442][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  325.032460][ T6725] Call Trace:
[  325.032471][ T6725]  <TASK>
[  325.032483][ T6725]  dump_stack_lvl+0x189/0x250
[  325.032525][ T6725]  ? __pfx_dump_stack_lvl+0x10/0x10
[  325.032557][ T6725]  ? __pfx__printk+0x10/0x10
[  325.032594][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.032634][ T6725]  ? kernfs_path_from_node+0x250/0x290
[  325.032658][ T6725]  ? kernfs_path_from_node+0x2f/0x290
[  325.032689][ T6725]  sysfs_create_dir_ns+0x259/0x280
[  325.032738][ T6725]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  325.032788][ T6725]  ? do_raw_spin_unlock+0x122/0x240
[  325.032825][ T6725]  kobject_add_internal+0x59f/0xb40
[  325.032874][ T6725]  kobject_init_and_add+0x125/0x190
[  325.032917][ T6725]  ? __pfx_kobject_init_and_add+0x10/0x10
[  325.032953][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.032988][ T6725]  ? __raw_spin_lock_init+0x45/0x100
[  325.033018][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.033044][ T6725]  ? __init_swait_queue_head+0xa9/0x150
[  325.033072][ T6725]  gfs2_sys_fs_add+0x234/0x450
[  325.033107][ T6725]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  325.033149][ T6725]  ? is_dynamic_key+0xd6/0x1c0
[  325.033178][ T6725]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  325.033218][ T6725]  gfs2_fill_super+0x13c0/0x20d0
[  325.033258][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.033279][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.033311][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.033337][ T6725]  ? sb_set_blocksize+0x104/0x180
[  325.033365][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.033391][ T6725]  ? setup_bdev_super+0x4c1/0x5b0
[  325.033421][ T6725]  get_tree_bdev_flags+0x40e/0x4d0
[  325.033447][ T6725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.033471][ T6725]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  325.033495][ T6725]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  325.033529][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.033563][ T6725]  gfs2_get_tree+0x51/0x1e0
[  325.033589][ T6725]  vfs_get_tree+0x92/0x2b0
[  325.033618][ T6725]  do_new_mount+0x302/0xa10
[  325.033644][ T6725]  ? apparmor_capable+0x137/0x1b0
[  325.033682][ T6725]  ? __pfx_do_new_mount+0x10/0x10
[  325.033708][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.033734][ T6725]  ? ns_capable+0x8a/0xf0
[  325.033767][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.033795][ T6725]  ? kmem_cache_free+0x19b/0x690
[  325.033833][ T6725]  __se_sys_mount+0x313/0x410
[  325.033868][ T6725]  ? __pfx___se_sys_mount+0x10/0x10
[  325.033900][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.033926][ T6725]  ? __x64_sys_mount+0x20/0xc0
[  325.033956][ T6725]  do_syscall_64+0xfa/0xfa0
[  325.033979][ T6725]  ? lockdep_hardirqs_on+0x9c/0x150
[  325.034001][ T6725]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.034023][ T6725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.034049][ T6725]  ? exc_page_fault+0xab/0x100
[  325.034073][ T6725]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.034095][ T6725] RIP: 0033:0x7fd96079066a
[  325.034119][ T6725] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  325.034140][ T6725] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.034163][ T6725] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  325.034180][ T6725] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  325.034196][ T6725] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  325.034213][ T6725] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  325.034231][ T6725] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  325.034266][ T6725]  </TASK>
[  325.411361][ T6725] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  325.429184][ T6725] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.867577][ T6729] loop1: detected capacity change from 0 to 32768
[  325.894650][ T6729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.902065][ T6729] CPU: 1 UID: 0 PID: 6729 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  325.902096][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  325.902113][ T6729] Call Trace:
[  325.902124][ T6729]  <TASK>
[  325.902135][ T6729]  dump_stack_lvl+0x189/0x250
[  325.902172][ T6729]  ? __pfx_dump_stack_lvl+0x10/0x10
[  325.902200][ T6729]  ? __pfx__printk+0x10/0x10
[  325.902234][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.902266][ T6729]  ? kernfs_path_from_node+0x250/0x290
[  325.902289][ T6729]  ? kernfs_path_from_node+0x2f/0x290
[  325.902319][ T6729]  sysfs_create_dir_ns+0x259/0x280
[  325.902362][ T6729]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  325.902413][ T6729]  ? do_raw_spin_unlock+0x122/0x240
[  325.902448][ T6729]  kobject_add_internal+0x59f/0xb40
[  325.902490][ T6729]  kobject_init_and_add+0x125/0x190
[  325.902527][ T6729]  ? __pfx_kobject_init_and_add+0x10/0x10
[  325.902559][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.902588][ T6729]  ? __raw_spin_lock_init+0x45/0x100
[  325.902617][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.902651][ T6729]  ? __init_swait_queue_head+0xa9/0x150
[  325.902683][ T6729]  gfs2_sys_fs_add+0x234/0x450
[  325.902724][ T6729]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  325.902767][ T6729]  ? is_dynamic_key+0xd6/0x1c0
[  325.902800][ T6729]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  325.902846][ T6729]  gfs2_fill_super+0x13c0/0x20d0
[  325.902892][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.902917][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.902953][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.902983][ T6729]  ? sb_set_blocksize+0x104/0x180
[  325.903015][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.903044][ T6729]  ? setup_bdev_super+0x4c1/0x5b0
[  325.903078][ T6729]  get_tree_bdev_flags+0x40e/0x4d0
[  325.903108][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.903134][ T6729]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  325.903162][ T6729]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  325.903201][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.903240][ T6729]  gfs2_get_tree+0x51/0x1e0
[  325.903271][ T6729]  vfs_get_tree+0x92/0x2b0
[  325.903304][ T6729]  do_new_mount+0x302/0xa10
[  325.903333][ T6729]  ? apparmor_capable+0x137/0x1b0
[  325.903383][ T6729]  ? __pfx_do_new_mount+0x10/0x10
[  325.903414][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.903444][ T6729]  ? ns_capable+0x8a/0xf0
[  325.903481][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.903513][ T6729]  ? kmem_cache_free+0x19b/0x690
[  325.903556][ T6729]  __se_sys_mount+0x313/0x410
[  325.903596][ T6729]  ? __pfx___se_sys_mount+0x10/0x10
[  325.903634][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.903664][ T6729]  ? __x64_sys_mount+0x20/0xc0
[  325.903698][ T6729]  do_syscall_64+0xfa/0xfa0
[  325.903725][ T6729]  ? lockdep_hardirqs_on+0x9c/0x150
[  325.903751][ T6729]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.903777][ T6729]  ? srso_alias_return_thunk+0x5/0xfbef5
[  325.903806][ T6729]  ? exc_page_fault+0xab/0x100
[  325.903834][ T6729]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.903860][ T6729] RIP: 0033:0x7fd96079066a
[  325.903883][ T6729] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  325.903906][ T6729] RSP: 002b:00007fff0634fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.903934][ T6729] RAX: ffffffffffffffda RBX: 00007fff0634ff30 RCX: 00007fd96079066a
[  325.903954][ T6729] RDX: 0000200000037f40 RSI: 0000200000000040 RDI: 00007fff0634fef0
[  325.903973][ T6729] RBP: 0000200000037f40 R08: 00007fff0634ff30 R09: 0000000001010084
[  325.903992][ T6729] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000000040
[  325.904009][ T6729] R13: 00007fff0634fef0 R14: 0000000000037f5e R15: 0000200000000480
[  325.904049][ T6729]  </TASK>
[  326.270295][   T31] INFO: task syz-executor:5994 blocked for more than 143 seconds.
[  326.278470][ T6729] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.278498][ T6729] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.299248][   T31]       Not tainted syzkaller #0
[  326.304522][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  326.313243][   T31] task:syz-executor    state:D stack:21768 pid:5994  tgid:5994  ppid:1      task_flags:0x400140 flags:0x00080002
[  326.325229][   T31] Call Trace:
[  326.328522][   T31]  <TASK>
[  326.331460][   T31]  __schedule+0x1798/0x4cc0
[  326.336069][   T31]  ? __pfx___schedule+0x10/0x10
[  326.340980][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.346658][   T31]  ? schedule+0x91/0x360
[  326.350927][   T31]  schedule+0x165/0x360
[  326.355152][   T31]  bit_wait+0x11/0xd0
[  326.359155][   T31]  __wait_on_bit+0xb9/0x310
[  326.363723][   T31]  ? __pfx_bit_wait+0x10/0x10
[  326.368414][   T31]  ? __pfx_bit_wait+0x10/0x10
[  326.373125][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  326.378608][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  326.384634][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  326.390112][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  326.395368][   T31]  gfs2_glock_wait+0xbd/0x2a0
[  326.400068][   T31]  __gfs2_lookup+0x117/0x270
[  326.404705][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.410348][   T31]  ? __lock_acquire+0xab9/0xd20
[  326.415267][   T31]  ? __pfx___gfs2_lookup+0x10/0x10
[  326.420402][   T31]  ? __lookup_slow+0x297/0x3d0
[  326.425214][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.430858][   T31]  ? __raw_spin_lock_init+0x45/0x100
[  326.436195][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.441844][   T31]  ? __init_waitqueue_head+0xa9/0x150
[  326.447286][   T31]  __lookup_slow+0x297/0x3d0
[  326.451902][   T31]  ? __pfx___lookup_slow+0x10/0x10
[  326.457145][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.462814][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.468480][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.474171][   T31]  ? down_read+0x1ad/0x2e0
[  326.478609][   T31]  lookup_slow+0x53/0x70
[  326.482932][   T31]  walk_component+0x2d2/0x400
[  326.487626][   T31]  ? path_lookupat+0x156/0x430
[  326.492415][   T31]  path_lookupat+0x163/0x430
[  326.497061][   T31]  filename_lookup+0x212/0x570
[  326.501848][   T31]  ? __pfx_filename_lookup+0x10/0x10
[  326.507222][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.512888][   T31]  ? strncpy_from_user+0x150/0x290
[  326.518030][   T31]  ? getname_flags+0x1e5/0x540
[  326.522848][   T31]  ? __se_sys_getdents64+0x1ee/0x260
[  326.528151][   T31]  user_path_at+0x3a/0x60
[  326.532509][   T31]  __x64_sys_umount+0xee/0x160
[  326.537324][   T31]  ? __pfx___x64_sys_umount+0x10/0x10
[  326.542766][   T31]  ? do_syscall_64+0xbe/0xfa0
[  326.547463][   T31]  do_syscall_64+0xfa/0xfa0
[  326.551979][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  326.557232][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.563363][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.569034][   T31]  ? exc_page_fault+0xab/0x100
[  326.573870][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.579769][   T31] RIP: 0033:0x7f11c07901f7
[  326.584218][   T31] RSP: 002b:00007ffcfcd4ca08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  326.592689][   T31] RAX: ffffffffffffffda RBX: 00007f11c0811d7d RCX: 00007f11c07901f7
[  326.600673][   T31] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcfcd4cac0
[  326.608728][   T31] RBP: 00007ffcfcd4cac0 R08: 0000000000000000 R09: 0000000000000000
[  326.616731][   T31] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcfcd4dbb0
[  326.624769][   T31] R13: 00007f11c0811d7d R14: 000000000002b194 R15: 00007ffcfcd4fd70
[  326.632791][   T31]  </TASK>
[  326.635864][   T31] 
[  326.635864][   T31] Showing all locks held in the system:
[  326.643998][   T31] 1 lock held by pool_workqueue_/3:
[  326.649202][   T31]  #0: ffffffff8e142d78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730
[  326.660215][   T31] 1 lock held by khungtaskd/31:
[  326.665139][   T31]  #0: ffffffff8e13d2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  326.675135][   T31] 5 locks held by kworker/u8:6/3459:
[  326.680424][   T31] 2 locks held by getty/5581:
[  326.685151][   T31]  #0: ffff88814e1300a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  326.695053][   T31]  #1: ffffc900036c32f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[  326.705253][   T31] 1 lock held by syz-executor/5994:
[  326.710451][   T31]  #0: ffff8880580ba268 (&type->i_mutex_dir_key#9){++++}-{4:4}, at: lookup_slow+0x46/0x70
[  326.720502][   T31] 1 lock held by udevd/6140:
[  326.725178][   T31] 2 locks held by syz.1.159/6732:
[  326.730204][   T31] 2 locks held by syz.1.160/6733:
[  326.743033][   T31] 
[  326.745378][   T31] =============================================
[  326.745378][   T31] 
[  326.762683][   T31] NMI backtrace for cpu 1
[  326.762703][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  326.762731][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  326.762747][   T31] Call Trace:
[  326.762758][   T31]  <TASK>
[  326.762769][   T31]  dump_stack_lvl+0x189/0x250
[  326.762806][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  326.762835][   T31]  ? __pfx__printk+0x10/0x10
[  326.762876][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  326.762915][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  326.762954][   T31]  ? __pfx__printk+0x10/0x10
[  326.762981][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.763016][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  326.763052][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  326.763091][   T31]  watchdog+0xf60/0xfa0
[  326.763133][   T31]  ? watchdog+0x1e2/0xfa0
[  326.763174][   T31]  kthread+0x711/0x8a0
[  326.763204][   T31]  ? __pfx_watchdog+0x10/0x10
[  326.763238][   T31]  ? __pfx_kthread+0x10/0x10
[  326.763261][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.763296][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  326.763335][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.763364][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  326.763394][   T31]  ? __pfx_kthread+0x10/0x10
[  326.763422][   T31]  ret_from_fork+0x4bc/0x870
[  326.763460][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  326.763504][   T31]  ? __switch_to_asm+0x39/0x70
[  326.763534][   T31]  ? __switch_to_asm+0x33/0x70
[  326.763564][   T31]  ? __pfx_kthread+0x10/0x10
[  326.763592][   T31]  ret_from_fork_asm+0x1a/0x30
[  326.763642][   T31]  </TASK>
[  326.763653][   T31] Sending NMI from CPU 1 to CPUs 0:
[  326.928328][    C0] NMI backtrace for cpu 0
[  326.928361][    C0] CPU: 0 UID: 0 PID: 6732 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  326.928387][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  326.928402][    C0] RIP: 0010:validate_chain+0x1e1/0x2140
[  326.928443][    C0] Code: cc 48 ff cb f7 c1 00 60 00 00 74 c8 e9 8d 00 00 00 48 c7 c7 90 e0 00 8e 4c 89 fe e8 f9 4c 2b 03 48 8b 14 24 eb c9 48 8b 48 18 <4c> 39 f9 0f 84 b2 00 00 00 48 8b 40 08 48 85 c0 0f 84 c2 fe ff ff
[  326.928463][    C0] RSP: 0018:ffffc9000af6e338 EFLAGS: 00000046
[  326.928484][    C0] RAX: ffffffff939f1930 RBX: 0000000000062081 RCX: 6d98066eea690246
[  326.928502][    C0] RDX: 0000000000000000 RSI: ffff88802ae2c828 RDI: ffff88802ae2bc80
[  326.928518][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff822d9bdc
[  326.928533][    C0] R10: dffffc0000000000 R11: fffffbfff1f3c22f R12: 0000000000000000
[  326.928550][    C0] R13: ffff88802ae2c7b0 R14: ffff88802ae2c828 R15: 6d98066eea690246
[  326.928571][    C0] FS:  00005555571f5500(0000) GS:ffff888125d0c000(0000) knlGS:0000000000000000
[  326.928591][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  326.928607][    C0] CR2: 00007fd957f4e000 CR3: 0000000078b9c000 CR4: 0000000000350ef0
[  326.928625][    C0] Call Trace:
[  326.928634][    C0]  <TASK>
[  326.928645][    C0]  ? __page_table_check_zero+0xba/0x530
[  326.928673][    C0]  ? __page_table_check_zero+0xba/0x530
[  326.928697][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.928724][    C0]  ? __page_table_check_zero+0x406/0x530
[  326.928748][    C0]  ? __page_table_check_zero+0xba/0x530
[  326.928774][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.928800][    C0]  ? post_alloc_hook+0x253/0x2a0
[  326.928828][    C0]  __lock_acquire+0xab9/0xd20
[  326.928862][    C0]  ? folio_lruvec_lock_irqsave+0x10c/0x1c0
[  326.928897][    C0]  lock_acquire+0x120/0x360
[  326.928925][    C0]  ? folio_lruvec_lock_irqsave+0x10c/0x1c0
[  326.928964][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.928995][    C0]  _raw_spin_lock_irqsave+0xa7/0xf0
[  326.929030][    C0]  ? folio_lruvec_lock_irqsave+0x10c/0x1c0
[  326.929066][    C0]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[  326.929106][    C0]  folio_lruvec_lock_irqsave+0x10c/0x1c0
[  326.929152][    C0]  folio_batch_move_lru+0x27e/0x420
[  326.929185][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929212][    C0]  ? __pfx_lru_add+0x10/0x10
[  326.929243][    C0]  ? __pfx_folio_batch_move_lru+0x10/0x10
[  326.929274][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929303][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929333][    C0]  __folio_batch_add_and_move+0x51c/0xc60
[  326.929367][    C0]  ? __pfx_lru_add+0x10/0x10
[  326.929397][    C0]  ? __pfx___folio_batch_add_and_move+0x10/0x10
[  326.929430][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929459][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929485][    C0]  ? folio_add_lru+0x1b2/0x3d0
[  326.929518][    C0]  shmem_alloc_and_add_folio+0xcb3/0xf60
[  326.929543][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929572][    C0]  ? filemap_get_entry+0xad/0x2f0
[  326.929599][    C0]  ? filemap_get_entry+0xad/0x2f0
[  326.929626][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929652][    C0]  ? filemap_get_entry+0x28f/0x2f0
[  326.929679][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929706][    C0]  ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[  326.929733][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.929759][    C0]  ? shmem_allowable_huge_orders+0x1d7/0x4f0
[  326.929801][    C0]  shmem_get_folio_gfp+0x59d/0x1660
[  326.929844][    C0]  ? __pfx_seqcount_lockdep_reader_access+0x10/0x10
[  326.929870][    C0]  shmem_write_begin+0xf7/0x2b0
[  326.929898][    C0]  generic_perform_write+0x2c5/0x900
[  326.929938][    C0]  ? __pfx_generic_perform_write+0x10/0x10
[  326.929970][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.930000][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.930026][    C0]  ? file_update_time+0x2da/0x490
[  326.930062][    C0]  shmem_file_write_iter+0xf8/0x120
[  326.930086][    C0]  ? __pfx_shmem_file_write_iter+0x10/0x10
[  326.930116][    C0]  __kernel_write_iter+0x428/0x910
[  326.930142][    C0]  ? __pfx_shmem_file_write_iter+0x10/0x10
[  326.930168][    C0]  ? __pfx___kernel_write_iter+0x10/0x10
[  326.930190][    C0]  ? __up_read+0x280/0x680
[  326.930214][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.930240][    C0]  ? __asan_memset+0x22/0x50
[  326.930262][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.930288][    C0]  ? iov_iter_bvec+0xb8/0x180
[  326.930319][    C0]  dump_user_range+0x8a0/0xc90
[  326.930355][    C0]  ? __pfx_dump_user_range+0x10/0x10
[  326.930383][    C0]  ? elf_coredump_extra_notes_write+0x42e/0x4b0
[  326.930419][    C0]  ? __pfx_elf_coredump_extra_notes_write+0x10/0x10
[  326.930455][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.930481][    C0]  ? dump_emit+0xa6/0xe0
[  326.930507][    C0]  ? elf_core_dump+0x2cd0/0x3960
[  326.930539][    C0]  elf_core_dump+0x3369/0x3960
[  326.930580][    C0]  ? __pfx_elf_core_dump+0x10/0x10
[  326.930611][    C0]  ? kasan_save_track+0x4f/0x80
[  326.930635][    C0]  ? kasan_save_track+0x3e/0x80
[  326.930658][    C0]  ? __kasan_kmalloc+0x93/0xb0
[  326.930683][    C0]  ? __kvmalloc_node_noprof+0x5cd/0x910
[  326.930710][    C0]  ? coredump_write+0x343/0x1900
[  326.930737][    C0]  ? vfs_coredump+0x1db5/0x2a60
[  326.930762][    C0]  ? get_signal+0x1108/0x1340
[  326.930791][    C0]  ? arch_do_signal_or_restart+0xa0/0x790
[  326.930818][    C0]  ? irqentry_exit_to_user_mode+0x7e/0x110
[  326.930841][    C0]  ? exc_page_fault+0xab/0x100
[  326.930860][    C0]  ? asm_exc_page_fault+0x26/0x30
[  326.930883][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.930930][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.930959][    C0]  ? 0xffffffffff600000
[  326.930981][    C0]  ? up_write+0x1c4/0x420
[  326.931004][    C0]  coredump_write+0x116c/0x1900
[  326.931043][    C0]  ? __pfx_coredump_write+0x10/0x10
[  326.931069][    C0]  ? do_raw_spin_lock+0x121/0x290
[  326.931095][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931126][    C0]  ? put_files_struct+0x256/0x350
[  326.931151][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931177][    C0]  ? do_raw_spin_unlock+0x122/0x240
[  326.931202][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931228][    C0]  ? unshare_files+0xfd/0x140
[  326.931252][    C0]  vfs_coredump+0x1db5/0x2a60
[  326.931291][    C0]  ? __pfx_vfs_coredump+0x10/0x10
[  326.931323][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931349][    C0]  ? __lock_acquire+0xab9/0xd20
[  326.931381][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931409][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931435][    C0]  ? __lock_acquire+0xab9/0xd20
[  326.931468][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931499][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931526][    C0]  ? is_bpf_text_address+0x26/0x2b0
[  326.931561][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931587][    C0]  ? is_bpf_text_address+0x292/0x2b0
[  326.931618][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931644][    C0]  ? is_bpf_text_address+0x26/0x2b0
[  326.931677][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931702][    C0]  ? kernel_text_address+0xa5/0xe0
[  326.931729][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931755][    C0]  ? __kernel_text_address+0xd/0x40
[  326.931780][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931806][    C0]  ? unwind_get_return_address+0x4d/0x90
[  326.931841][    C0]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  326.931864][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931890][    C0]  ? arch_stack_walk+0xfc/0x150
[  326.931930][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.931956][    C0]  ? stack_trace_save+0x9c/0xe0
[  326.931979][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.932005][    C0]  ? stack_depot_save_flags+0x40/0x860
[  326.932027][    C0]  ? trace_raw_output_memcg_flush_stats+0xd0/0x130
[  326.932061][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.932087][    C0]  ? kasan_save_track+0x4f/0x80
[  326.932110][    C0]  ? kasan_save_track+0x3e/0x80
[  326.932138][    C0]  ? __kasan_save_free_info+0x46/0x50
[  326.932171][    C0]  ? __kasan_slab_free+0x5c/0x80
[  326.932196][    C0]  ? kmem_cache_free+0x19b/0x690
[  326.932220][    C0]  ? get_signal+0xa4b/0x1340
[  326.932248][    C0]  ? arch_do_signal_or_restart+0xa0/0x790
[  326.932275][    C0]  ? irqentry_exit_to_user_mode+0x7e/0x110
[  326.932297][    C0]  ? exc_page_fault+0xab/0x100
[  326.932316][    C0]  ? asm_exc_page_fault+0x26/0x30
[  326.932365][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.932393][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  326.932427][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.932453][    C0]  ? lockdep_hardirqs_on+0x9c/0x150
[  326.932476][    C0]  get_signal+0x1108/0x1340
[  326.932518][    C0]  arch_do_signal_or_restart+0xa0/0x790
[  326.932547][    C0]  ? __pfx_arch_do_signal_or_restart+0x10/0x10
[  326.932574][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.932601][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.932630][    C0]  ? __bad_area_nosemaphore+0x3fb/0x780
[  326.932669][    C0]  ? local_irq_enable_exit_to_user+0x5/0x10
[  326.932699][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  326.932728][    C0]  irqentry_exit_to_user_mode+0x7e/0x110
[  326.932752][    C0]  exc_page_fault+0xab/0x100
[  326.932774][    C0]  asm_exc_page_fault+0x26/0x30
[  326.932795][    C0] RIP: 0033:0x7fd96078eed1
[  326.932813][    C0] Code: 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 48 3d 01 f0 ff ff 73 01 <c3> 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
[  326.932833][    C0] RSP: 002b:00000000fffffeb0 EFLAGS: 00010217
[  326.932852][    C0] RAX: 0000000000000000 RBX: 00007fd9609e5fa0 RCX: 00007fd96078eec9
[  326.932868][    C0] RDX: 0000000000000000 RSI: 00000000fffffeb0 RDI: 0000000002000400
[  326.932883][    C0] RBP: 00007fd960811f91 R08: 0000000000000000 R09: 0000000000000000
[  326.932898][    C0] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[  326.932912][    C0] R13: 00007fd9609e5fa0 R14: 00007fd9609e5fa0 R15: 0000000000000006
[  326.932939][    C0]  </TASK>
[  327.012677][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  327.012702][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  327.012730][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  327.012747][   T31] Call Trace:
[  327.012759][   T31]  <TASK>
[  327.012771][   T31]  dump_stack_lvl+0x99/0x250
[  327.012804][   T31]  ? __asan_memcpy+0x40/0x70
[  327.012832][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  327.012860][   T31]  ? __pfx__printk+0x10/0x10
[  327.012896][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  327.012932][   T31]  vpanic+0x237/0x6d0
[  327.012970][   T31]  ? __pfx_vpanic+0x10/0x10
[  327.013006][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  327.013036][   T31]  ? preempt_schedule_common+0x83/0xd0
[  327.013085][   T31]  panic+0xb9/0xc0
[  327.013121][   T31]  ? __pfx_panic+0x10/0x10
[  327.013159][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  327.013189][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  327.013232][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  327.013285][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  327.013324][   T31]  watchdog+0xf9f/0xfa0
[  327.013377][   T31]  ? watchdog+0x1e2/0xfa0
[  327.013425][   T31]  kthread+0x711/0x8a0
[  327.013456][   T31]  ? __pfx_watchdog+0x10/0x10
[  327.013490][   T31]  ? __pfx_kthread+0x10/0x10
[  327.013514][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  327.013548][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  327.013586][   T31]  ? srso_alias_return_thunk+0x5/0xfbef5
[  327.013616][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  327.013641][   T31]  ? __pfx_kthread+0x10/0x10
[  327.013669][   T31]  ret_from_fork+0x4bc/0x870
[  327.013709][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  327.013752][   T31]  ? __switch_to_asm+0x39/0x70
[  327.013783][   T31]  ? __switch_to_asm+0x33/0x70
[  327.013812][   T31]  ? __pfx_kthread+0x10/0x10
[  327.013840][   T31]  ret_from_fork_asm+0x1a/0x30
[  327.013891][   T31]  </TASK>
[  328.073542][   T31] Kernel Offset: disabled
[  328.077850][   T31] Rebooting in 86400 seconds..