T8610]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  462.354444][ T8610]  ? do_raw_spin_unlock+0x122/0x240
[  462.354506][ T8610]  kobject_add_internal+0x6a8/0xca0
[  462.354574][ T8610]  kobject_init_and_add+0x125/0x190
[  462.354635][ T8610]  ? __pfx_kobject_init_and_add+0x10/0x10
[  462.354689][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.354726][ T8610]  ? __raw_spin_lock_init+0x45/0x100
[  462.354776][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.354814][ T8610]  ? __init_swait_queue_head+0xa9/0x150
[  462.354866][ T8610]  gfs2_sys_fs_add+0x234/0x450
[  462.354917][ T8610]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  462.354977][ T8610]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  462.355046][ T8610]  gfs2_fill_super+0x1388/0x21b0
[  462.355107][ T8610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  462.355138][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.355184][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.355222][ T8610]  ? sb_set_blocksize+0x155/0x240
[  462.355262][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.355299][ T8610]  ? setup_bdev_super+0x4c1/0x5b0
[  462.355352][ T8610]  get_tree_bdev_flags+0x40e/0x4d0
[  462.355400][ T8610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  462.355436][ T8610]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  462.355480][ T8610]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  462.355527][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.355576][ T8610]  gfs2_get_tree+0x51/0x1e0
[  462.355615][ T8610]  vfs_get_tree+0x92/0x2a0
[  462.355666][ T8610]  do_new_mount+0x302/0xa10
[  462.355696][ T8610]  ? apparmor_capable+0x137/0x1a0
[  462.355751][ T8610]  ? __pfx_do_new_mount+0x10/0x10
[  462.355781][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.355819][ T8610]  ? ns_capable+0x8a/0xf0
[  462.355854][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.355892][ T8610]  ? kmem_cache_free+0x197/0x620
[  462.355956][ T8610]  __se_sys_mount+0x313/0x410
[  462.355999][ T8610]  ? __pfx___se_sys_mount+0x10/0x10
[  462.356039][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.356074][ T8610]  ? __x64_sys_mount+0x20/0xc0
[  462.356111][ T8610]  do_syscall_64+0xfa/0xf80
[  462.356158][ T8610]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.356188][ T8610]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.356224][ T8610]  ? exc_page_fault+0xab/0x100
[  462.356270][ T8610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.356302][ T8610] RIP: 0033:0x7fd18dd90eea
[  462.356332][ T8610] 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
[  462.356360][ T8610] RSP: 002b:00007fd18ec15e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  462.356391][ T8610] RAX: ffffffffffffffda RBX: 00007fd18ec15ef0 RCX: 00007fd18dd90eea
[  462.356415][ T8610] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd18ec15eb0
[  462.356439][ T8610] RBP: 00002000000124c0 R08: 00007fd18ec15ef0 R09: 0000000000000000
[  462.356461][ T8610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  462.356482][ T8610] R13: 00007fd18ec15eb0 R14: 00000000000125c7 R15: 0000200000000180
[  462.356539][ T8610]  </TASK>
[  462.356659][ T8610] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  462.427828][ T6173] gfs2: fsid=syz:syz.0: jid=0: Done
[  462.429101][ T8610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  462.471468][ T8604] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  462.487939][ T8613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  462.487969][ T8613] CPU: 1 UID: 0 PID: 8613 Comm: syz.5.639 Not tainted syzkaller #0 PREEMPT(full) 
[  462.488001][ T8613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  462.488018][ T8613] Call Trace:
[  462.488028][ T8613]  <TASK>
[  462.488039][ T8613]  dump_stack_lvl+0x189/0x250
[  462.488077][ T8613]  ? __pfx_dump_stack_lvl+0x10/0x10
[  462.488108][ T8613]  ? __pfx__printk+0x10/0x10
[  462.488152][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.488180][ T8613]  ? kernfs_path_from_node+0x250/0x290
[  462.488216][ T8613]  ? kernfs_path_from_node+0x2f/0x290
[  462.488258][ T8613]  sysfs_create_dir_ns+0x259/0x280
[  462.488297][ T8613]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  462.488336][ T8613]  ? do_raw_spin_unlock+0x122/0x240
[  462.488379][ T8613]  kobject_add_internal+0x6a8/0xca0
[  462.488431][ T8613]  kobject_init_and_add+0x125/0x190
[  462.488477][ T8613]  ? __pfx_kobject_init_and_add+0x10/0x10
[  462.488523][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.488552][ T8613]  ? __raw_spin_lock_init+0x45/0x100
[  462.488590][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.488618][ T8613]  ? __init_swait_queue_head+0xa9/0x150
[  462.488658][ T8613]  gfs2_sys_fs_add+0x234/0x450
[  462.488697][ T8613]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  462.488743][ T8613]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  462.488795][ T8613]  gfs2_fill_super+0x1388/0x21b0
[  462.488841][ T8613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  462.488865][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.488901][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.488929][ T8613]  ? sb_set_blocksize+0x155/0x240
[  462.488961][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.488990][ T8613]  ? setup_bdev_super+0x4c1/0x5b0
[  462.489034][ T8613]  get_tree_bdev_flags+0x40e/0x4d0
[  462.489070][ T8613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  462.489098][ T8613]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  462.489132][ T8613]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  462.489166][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.489206][ T8613]  gfs2_get_tree+0x51/0x1e0
[  462.489237][ T8613]  vfs_get_tree+0x92/0x2a0
[  462.489275][ T8613]  do_new_mount+0x302/0xa10
[  462.489298][ T8613]  ? apparmor_capable+0x137/0x1a0
[  462.489341][ T8613]  ? __pfx_do_new_mount+0x10/0x10
[  462.489364][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.489392][ T8613]  ? ns_capable+0x8a/0xf0
[  462.489419][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.489450][ T8613]  ? kmem_cache_free+0x197/0x620
[  462.489506][ T8613]  __se_sys_mount+0x313/0x410
[  462.489540][ T8613]  ? __pfx___se_sys_mount+0x10/0x10
[  462.489571][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.489599][ T8613]  ? __x64_sys_mount+0x20/0xc0
[  462.489627][ T8613]  do_syscall_64+0xfa/0xf80
[  462.489664][ T8613]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.489688][ T8613]  ? srso_alias_return_thunk+0x5/0xfbef5
[  462.489716][ T8613]  ? exc_page_fault+0xab/0x100
[  462.489753][ T8613]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.489778][ T8613] RIP: 0033:0x7fb6ecb90eea
[  462.489800][ T8613] 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
[  462.489821][ T8613] RSP: 002b:00007fb6edad4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  462.489847][ T8613] RAX: ffffffffffffffda RBX: 00007fb6edad4ef0 RCX: 00007fb6ecb90eea
[  462.489866][ T8613] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb6edad4eb0
[  462.489885][ T8613] RBP: 00002000000124c0 R08: 00007fb6edad4ef0 R09: 0000000000000000
[  462.489902][ T8613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  462.489919][ T8613] R13: 00007fb6edad4eb0 R14: 00000000000125c7 R15: 0000200000000180
[  462.489959][ T8613]  </TASK>
[  462.489988][ T8613] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  462.531190][ T8613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  463.282044][ T8604] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  463.464637][ T8628] loop0: detected capacity change from 0 to 32768
2025/12/05 08:35:57 executed programs: 637
[  463.725508][ T8628] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  463.728954][ T8630] loop4: detected capacity change from 0 to 32768
[  463.733757][ T8628] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  463.772167][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state
[  463.780210][ T8628] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  463.789992][   T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  463.796882][   T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  463.845211][ T8630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  463.854641][ T8630] CPU: 1 UID: 0 PID: 8630 Comm: syz.4.642 Not tainted syzkaller #0 PREEMPT(full) 
[  463.854673][ T8630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  463.854691][ T8630] Call Trace:
[  463.854707][ T8630]  <TASK>
[  463.854720][ T8630]  dump_stack_lvl+0x189/0x250
[  463.854776][ T8630]  ? __pfx_dump_stack_lvl+0x10/0x10
[  463.854807][ T8630]  ? __pfx__printk+0x10/0x10
[  463.854855][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.854887][ T8630]  ? kernfs_path_from_node+0x250/0x290
[  463.854930][ T8630]  ? kernfs_path_from_node+0x2f/0x290
[  463.854972][ T8630]  sysfs_create_dir_ns+0x259/0x280
[  463.855014][ T8630]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  463.855052][ T8630]  ? do_raw_spin_unlock+0x122/0x240
[  463.855098][ T8630]  kobject_add_internal+0x6a8/0xca0
[  463.855154][ T8630]  kobject_init_and_add+0x125/0x190
[  463.855201][ T8630]  ? __pfx_kobject_init_and_add+0x10/0x10
[  463.855243][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.855272][ T8630]  ? __raw_spin_lock_init+0x45/0x100
[  463.855310][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.855339][ T8630]  ? __init_swait_queue_head+0xa9/0x150
[  463.855381][ T8630]  gfs2_sys_fs_add+0x234/0x450
[  463.855421][ T8630]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  463.855467][ T8630]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  463.855525][ T8630]  gfs2_fill_super+0x1388/0x21b0
[  463.855572][ T8630]  ? __pfx_gfs2_fill_super+0x10/0x10
[  463.855597][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.855632][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.855662][ T8630]  ? sb_set_blocksize+0x155/0x240
[  463.855696][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.855725][ T8630]  ? setup_bdev_super+0x4c1/0x5b0
[  463.855775][ T8630]  get_tree_bdev_flags+0x40e/0x4d0
[  463.855811][ T8630]  ? __pfx_gfs2_fill_super+0x10/0x10
[  463.855839][ T8630]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  463.855877][ T8630]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  463.855912][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.855949][ T8630]  gfs2_get_tree+0x51/0x1e0
[  463.855979][ T8630]  vfs_get_tree+0x92/0x2a0
[  463.856020][ T8630]  do_new_mount+0x302/0xa10
[  463.856043][ T8630]  ? apparmor_capable+0x137/0x1a0
[  463.856088][ T8630]  ? __pfx_do_new_mount+0x10/0x10
[  463.856111][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.856140][ T8630]  ? ns_capable+0x8a/0xf0
[  463.856167][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.856198][ T8630]  ? kmem_cache_free+0x197/0x620
[  463.856249][ T8630]  __se_sys_mount+0x313/0x410
[  463.856282][ T8630]  ? __pfx___se_sys_mount+0x10/0x10
[  463.856313][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.856342][ T8630]  ? __x64_sys_mount+0x20/0xc0
[  463.856370][ T8630]  do_syscall_64+0xfa/0xf80
[  463.856409][ T8630]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.856433][ T8630]  ? srso_alias_return_thunk+0x5/0xfbef5
[  463.856461][ T8630]  ? exc_page_fault+0xab/0x100
[  463.856505][ T8630]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.856530][ T8630] RIP: 0033:0x7f892a790eea
[  463.856552][ T8630] 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
[  463.856574][ T8630] RSP: 002b:00007f892b605e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  463.856601][ T8630] RAX: ffffffffffffffda RBX: 00007f892b605ef0 RCX: 00007f892a790eea
[  463.856621][ T8630] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f892b605eb0
[  463.856641][ T8630] RBP: 00002000000124c0 R08: 00007f892b605ef0 R09: 0000000000000000
[  463.856660][ T8630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  463.856677][ T8630] R13: 00007f892b605eb0 R14: 00000000000125c7 R15: 0000200000000180
[  463.856717][ T8630]  </TASK>
[  463.856746][ T8630] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  464.234865][ T8635] loop3: detected capacity change from 0 to 32768
[  464.237168][ T8630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  464.274601][ T8481] bridge0: port 1(bridge_slave_0) entered disabled state
[  464.759655][ T8640] loop5: detected capacity change from 0 to 32768
[  464.766753][ T8642] loop1: detected capacity change from 0 to 32768
[  464.786733][ T8635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  464.794434][ T8635] CPU: 1 UID: 0 PID: 8635 Comm: syz.3.644 Not tainted syzkaller #0 PREEMPT(full) 
[  464.794467][ T8635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  464.794491][ T8635] Call Trace:
[  464.794502][ T8635]  <TASK>
[  464.794512][ T8635]  dump_stack_lvl+0x189/0x250
[  464.794552][ T8635]  ? __pfx_dump_stack_lvl+0x10/0x10
[  464.794583][ T8635]  ? __pfx__printk+0x10/0x10
[  464.794626][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.794656][ T8635]  ? kernfs_path_from_node+0x250/0x290
[  464.794693][ T8635]  ? kernfs_path_from_node+0x2f/0x290
[  464.794736][ T8635]  sysfs_create_dir_ns+0x259/0x280
[  464.794776][ T8635]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  464.794815][ T8635]  ? do_raw_spin_unlock+0x122/0x240
[  464.794859][ T8635]  kobject_add_internal+0x6a8/0xca0
[  464.794912][ T8635]  kobject_init_and_add+0x125/0x190
[  464.794959][ T8635]  ? __pfx_kobject_init_and_add+0x10/0x10
[  464.795000][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.795030][ T8635]  ? __raw_spin_lock_init+0x45/0x100
[  464.795068][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.795097][ T8635]  ? __init_swait_queue_head+0xa9/0x150
[  464.795138][ T8635]  gfs2_sys_fs_add+0x234/0x450
[  464.795177][ T8635]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  464.795223][ T8635]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  464.795274][ T8635]  gfs2_fill_super+0x1388/0x21b0
[  464.795320][ T8635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  464.795345][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.795381][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.795410][ T8635]  ? sb_set_blocksize+0x155/0x240
[  464.795442][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.795471][ T8635]  ? setup_bdev_super+0x4c1/0x5b0
[  464.795598][ T8635]  get_tree_bdev_flags+0x40e/0x4d0
[  464.795636][ T8635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  464.795663][ T8635]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  464.795698][ T8635]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  464.795732][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.795770][ T8635]  gfs2_get_tree+0x51/0x1e0
[  464.795801][ T8635]  vfs_get_tree+0x92/0x2a0
[  464.795841][ T8635]  do_new_mount+0x302/0xa10
[  464.795864][ T8635]  ? apparmor_capable+0x137/0x1a0
[  464.795907][ T8635]  ? __pfx_do_new_mount+0x10/0x10
[  464.795931][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.795960][ T8635]  ? ns_capable+0x8a/0xf0
[  464.795987][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.796018][ T8635]  ? kmem_cache_free+0x197/0x620
[  464.796068][ T8635]  __se_sys_mount+0x313/0x410
[  464.796101][ T8635]  ? __pfx___se_sys_mount+0x10/0x10
[  464.796133][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.796161][ T8635]  ? __x64_sys_mount+0x20/0xc0
[  464.796189][ T8635]  do_syscall_64+0xfa/0xf80
[  464.796226][ T8635]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.796250][ T8635]  ? srso_alias_return_thunk+0x5/0xfbef5
[  464.796278][ T8635]  ? exc_page_fault+0xab/0x100
[  464.796315][ T8635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.796340][ T8635] RIP: 0033:0x7fe252990eea
[  464.796363][ T8635] 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
[  464.796385][ T8635] RSP: 002b:00007fe2538d1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  464.796412][ T8635] RAX: ffffffffffffffda RBX: 00007fe2538d1ef0 RCX: 00007fe252990eea
[  464.796439][ T8635] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fe2538d1eb0
[  464.796457][ T8635] RBP: 00002000000124c0 R08: 00007fe2538d1ef0 R09: 0000000000000000
[  464.796476][ T8635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  464.796499][ T8635] R13: 00007fe2538d1eb0 R14: 00000000000125c7 R15: 0000200000000180
[  464.796539][ T8635]  </TASK>
[  464.796603][ T8635] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  465.013612][ T8642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  465.018436][ T8635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  465.196386][ T8642] CPU: 0 UID: 0 PID: 8642 Comm: syz.1.645 Not tainted syzkaller #0 PREEMPT(full) 
[  465.196421][ T8642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  465.196439][ T8642] Call Trace:
[  465.196450][ T8642]  <TASK>
[  465.196461][ T8642]  dump_stack_lvl+0x189/0x250
[  465.196501][ T8642]  ? __pfx_dump_stack_lvl+0x10/0x10
[  465.196532][ T8642]  ? __pfx__printk+0x10/0x10
[  465.196575][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.196604][ T8642]  ? kernfs_path_from_node+0x250/0x290
[  465.196644][ T8642]  ? kernfs_path_from_node+0x2f/0x290
[  465.196693][ T8642]  sysfs_create_dir_ns+0x259/0x280
[  465.196739][ T8642]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  465.196785][ T8642]  ? do_raw_spin_unlock+0x122/0x240
[  465.196836][ T8642]  kobject_add_internal+0x6a8/0xca0
[  465.196896][ T8642]  kobject_init_and_add+0x125/0x190
[  465.196951][ T8642]  ? __pfx_kobject_init_and_add+0x10/0x10
[  465.196997][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.197024][ T8642]  ? __raw_spin_lock_init+0x45/0x100
[  465.197059][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.197086][ T8642]  ? __init_swait_queue_head+0xa9/0x150
[  465.197123][ T8642]  gfs2_sys_fs_add+0x234/0x450
[  465.197161][ T8642]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  465.197205][ T8642]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  465.197261][ T8642]  gfs2_fill_super+0x1388/0x21b0
[  465.197307][ T8642]  ? __pfx_gfs2_fill_super+0x10/0x10
[  465.197330][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.197364][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.197391][ T8642]  ? sb_set_blocksize+0x155/0x240
[  465.197422][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.197450][ T8642]  ? setup_bdev_super+0x4c1/0x5b0
[  465.197489][ T8642]  get_tree_bdev_flags+0x40e/0x4d0
[  465.197526][ T8642]  ? __pfx_gfs2_fill_super+0x10/0x10
[  465.197552][ T8642]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  465.197584][ T8642]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  465.197617][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.197655][ T8642]  gfs2_get_tree+0x51/0x1e0
[  465.197685][ T8642]  vfs_get_tree+0x92/0x2a0
[  465.197723][ T8642]  do_new_mount+0x302/0xa10
[  465.197747][ T8642]  ? apparmor_capable+0x137/0x1a0
[  465.197790][ T8642]  ? __pfx_do_new_mount+0x10/0x10
[  465.197815][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.197843][ T8642]  ? ns_capable+0x8a/0xf0
[  465.197870][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.197900][ T8642]  ? kmem_cache_free+0x197/0x620
[  465.197950][ T8642]  __se_sys_mount+0x313/0x410
[  465.197985][ T8642]  ? __pfx___se_sys_mount+0x10/0x10
[  465.198017][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.198046][ T8642]  ? __x64_sys_mount+0x20/0xc0
[  465.198076][ T8642]  do_syscall_64+0xfa/0xf80
[  465.198112][ T8642]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.198137][ T8642]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.198166][ T8642]  ? exc_page_fault+0xab/0x100
[  465.198203][ T8642]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.198230][ T8642] RIP: 0033:0x7fd18dd90eea
[  465.198262][ T8642] 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
[  465.198285][ T8642] RSP: 002b:00007fd18ec15e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  465.198313][ T8642] RAX: ffffffffffffffda RBX: 00007fd18ec15ef0 RCX: 00007fd18dd90eea
[  465.198333][ T8642] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd18ec15eb0
[  465.198353][ T8642] RBP: 00002000000124c0 R08: 00007fd18ec15ef0 R09: 0000000000000000
[  465.198371][ T8642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  465.198389][ T8642] R13: 00007fd18ec15eb0 R14: 00000000000125c7 R15: 0000200000000180
[  465.198431][ T8642]  </TASK>
[  465.198465][ T8642] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  465.221719][   T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 1424ms
[  465.224628][ T8642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  465.227306][ T8481] bridge_slave_0: entered allmulticast mode
[  465.229686][ T8640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  465.366412][ T8481] bridge_slave_0: entered promiscuous mode
[  465.368621][ T8640] CPU: 1 UID: 0 PID: 8640 Comm: syz.5.643 Not tainted syzkaller #0 PREEMPT(full) 
[  465.368651][ T8640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  465.368668][ T8640] Call Trace:
[  465.368678][ T8640]  <TASK>
[  465.368690][ T8640]  dump_stack_lvl+0x189/0x250
[  465.368730][ T8640]  ? __pfx_dump_stack_lvl+0x10/0x10
[  465.368761][ T8640]  ? __pfx__printk+0x10/0x10
[  465.368806][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.368836][ T8640]  ? kernfs_path_from_node+0x250/0x290
[  465.368874][ T8640]  ? kernfs_path_from_node+0x2f/0x290
[  465.368916][ T8640]  sysfs_create_dir_ns+0x259/0x280
[  465.368956][ T8640]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  465.368995][ T8640]  ? do_raw_spin_unlock+0x122/0x240
[  465.369038][ T8640]  kobject_add_internal+0x6a8/0xca0
[  465.369090][ T8640]  kobject_init_and_add+0x125/0x190
[  465.369136][ T8640]  ? __pfx_kobject_init_and_add+0x10/0x10
[  465.369177][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.369205][ T8640]  ? __raw_spin_lock_init+0x45/0x100
[  465.369249][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.369278][ T8640]  ? __init_swait_queue_head+0xa9/0x150
[  465.369319][ T8640]  gfs2_sys_fs_add+0x234/0x450
[  465.369359][ T8640]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  465.369404][ T8640]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  465.369457][ T8640]  gfs2_fill_super+0x1388/0x21b0
[  465.369503][ T8640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  465.369527][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.369563][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.369591][ T8640]  ? sb_set_blocksize+0x155/0x240
[  465.369624][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.369651][ T8640]  ? setup_bdev_super+0x4c1/0x5b0
[  465.369692][ T8640]  get_tree_bdev_flags+0x40e/0x4d0
[  465.369727][ T8640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  465.369754][ T8640]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  465.369788][ T8640]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  465.369821][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.369859][ T8640]  gfs2_get_tree+0x51/0x1e0
[  465.369889][ T8640]  vfs_get_tree+0x92/0x2a0
[  465.369928][ T8640]  do_new_mount+0x302/0xa10
[  465.369951][ T8640]  ? apparmor_capable+0x137/0x1a0
[  465.369996][ T8640]  ? __pfx_do_new_mount+0x10/0x10
[  465.370020][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.370048][ T8640]  ? ns_capable+0x8a/0xf0
[  465.370076][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.370106][ T8640]  ? kmem_cache_free+0x197/0x620
[  465.370157][ T8640]  __se_sys_mount+0x313/0x410
[  465.370190][ T8640]  ? __pfx___se_sys_mount+0x10/0x10
[  465.370220][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.370256][ T8640]  ? __x64_sys_mount+0x20/0xc0
[  465.370284][ T8640]  do_syscall_64+0xfa/0xf80
[  465.370322][ T8640]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.370349][ T8640]  ? srso_alias_return_thunk+0x5/0xfbef5
[  465.370378][ T8640]  ? exc_page_fault+0xab/0x100
[  465.370415][ T8640]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.370439][ T8640] RIP: 0033:0x7fb6ecb90eea
[  465.370462][ T8640] 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
[  465.370484][ T8640] RSP: 002b:00007fb6edad4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  465.370509][ T8640] RAX: ffffffffffffffda RBX: 00007fb6edad4ef0 RCX: 00007fb6ecb90eea
[  465.370528][ T8640] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb6edad4eb0
[  465.370546][ T8640] RBP: 00002000000124c0 R08: 00007fb6edad4ef0 R09: 0000000000000000
[  465.370563][ T8640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  465.370580][ T8640] R13: 00007fb6edad4eb0 R14: 00000000000125c7 R15: 0000200000000180
[  465.370620][ T8640]  </TASK>
[  465.370652][ T8640] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  465.382012][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state
[  465.384610][ T8640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  465.502814][   T24] gfs2: fsid=syz:syz.0: jid=0: Done
[  465.517871][ T8481] bridge0: port 2(bridge_slave_1) entered disabled state
[  465.865074][ T8628] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  465.879198][ T8481] bridge_slave_1: entered allmulticast mode
[  465.909834][ T8481] bridge_slave_1: entered promiscuous mode
[  466.230985][ T8628] gfs2: fsid=syz:syz.0: found 1 quota changes
[  466.456401][ T5951] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  466.523781][ T8653] loop4: detected capacity change from 0 to 32768
[  466.539103][ T5951] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  466.549702][ T5951] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:5951 [syz-executor] gfs2_quota_sync+0x359/0x460
[  466.560093][ T5951] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  466.568432][ T5951] CPU: 0 UID: 0 PID: 5951 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  466.568467][ T5951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  466.568491][ T5951] Call Trace:
[  466.568501][ T5951]  <TASK>
[  466.568512][ T5951]  dump_stack_lvl+0x189/0x250
[  466.568552][ T5951]  ? __pfx_dump_stack_lvl+0x10/0x10
[  466.568584][ T5951]  ? queue_delayed_work_on+0x11a/0x280
[  466.568615][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.568648][ T5951]  ? lockdep_hardirqs_on+0x98/0x140
[  466.568686][ T5951]  ? preempt_schedule+0xae/0xc0
[  466.568729][ T5951]  gfs2_withdraw+0xc3/0x1b0
[  466.568758][ T5951]  inode_go_instantiate+0xdd0/0x1210
[  466.568796][ T5951]  ? __pfx_inode_go_instantiate+0x10/0x10
[  466.568823][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.568853][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.568882][ T5951]  ? gfs2_glock_nq+0xedd/0x15f0
[  466.568923][ T5951]  gfs2_instantiate+0x168/0x220
[  466.568955][ T5951]  gfs2_glock_wait+0x1d4/0x2a0
[  466.568989][ T5951]  do_sync+0x46f/0xc60
[  466.569023][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.569051][ T5951]  ? _raw_spin_unlock+0x28/0x50
[  466.569081][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.569110][ T5951]  ? gfs2_quota_sync+0x359/0x460
[  466.569157][ T5951]  ? __pfx_do_sync+0x10/0x10
[  466.569204][ T5951]  ? gfs2_quota_sync+0x359/0x460
[  466.569238][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.569271][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.569300][ T5951]  ? do_raw_spin_unlock+0x122/0x240
[  466.569343][ T5951]  gfs2_quota_sync+0x359/0x460
[  466.569393][ T5951]  gfs2_sync_fs+0x4c/0xb0
[  466.569429][ T5951]  sync_filesystem+0xee/0x230
[  466.569464][ T5951]  generic_shutdown_super+0x6f/0x2c0
[  466.569509][ T5951]  kill_block_super+0x44/0x90
[  466.569546][ T5951]  deactivate_locked_super+0xbc/0x130
[  466.569581][ T5951]  cleanup_mnt+0x425/0x4c0
[  466.569612][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.569641][ T5951]  ? lockdep_hardirqs_on+0x98/0x140
[  466.569680][ T5951]  task_work_run+0x1d4/0x260
[  466.569722][ T5951]  ? __pfx_task_work_run+0x10/0x10
[  466.569764][ T5951]  ? exit_to_user_mode_loop+0x55/0x4f0
[  466.569797][ T5951]  exit_to_user_mode_loop+0xff/0x4f0
[  466.569823][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.569851][ T5951]  ? rcu_is_watching+0x15/0xb0
[  466.569889][ T5951]  do_syscall_64+0x2e3/0xf80
[  466.569928][ T5951]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.569951][ T5951]  ? srso_alias_return_thunk+0x5/0xfbef5
[  466.569981][ T5951]  ? exc_page_fault+0xab/0x100
[  466.570018][ T5951]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.570049][ T5951] RIP: 0033:0x7fb227790a77
[  466.570072][ T5951] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  466.570094][ T5951] RSP: 002b:00007ffea43d3498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  466.570121][ T5951] RAX: 0000000000000000 RBX: 00007fb227813d7d RCX: 00007fb227790a77
[  466.570140][ T5951] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffea43d3550
[  466.570157][ T5951] RBP: 00007ffea43d3550 R08: 0000000000000000 R09: 0000000000000000
[  466.570174][ T5951] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffea43d45e0
[  466.570192][ T5951] R13: 00007fb227813d7d R14: 000000000007116a R15: 00007ffea43d4620
[  466.570232][ T5951]  </TASK>
[  466.570535][ T5951] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  466.970463][ T8656] loop3: detected capacity change from 0 to 32768
[  467.056250][ T1153] bridge_slave_1: left allmulticast mode
[  467.061951][ T1153] bridge_slave_1: left promiscuous mode
[  467.101504][ T1153] bridge0: port 2(bridge_slave_1) entered disabled state
[  467.125626][ T8653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  467.133031][ T8653] CPU: 1 UID: 0 PID: 8653 Comm: syz.4.646 Not tainted syzkaller #0 PREEMPT(full) 
[  467.133061][ T8653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  467.133078][ T8653] Call Trace:
[  467.133089][ T8653]  <TASK>
[  467.133099][ T8653]  dump_stack_lvl+0x189/0x250
[  467.133138][ T8653]  ? __pfx_dump_stack_lvl+0x10/0x10
[  467.133169][ T8653]  ? __pfx__printk+0x10/0x10
[  467.133214][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.133244][ T8653]  ? kernfs_path_from_node+0x250/0x290
[  467.133281][ T8653]  ? kernfs_path_from_node+0x2f/0x290
[  467.133324][ T8653]  sysfs_create_dir_ns+0x259/0x280
[  467.133364][ T8653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  467.133405][ T8653]  ? do_raw_spin_unlock+0x122/0x240
[  467.133449][ T8653]  kobject_add_internal+0x6a8/0xca0
[  467.133501][ T8653]  kobject_init_and_add+0x125/0x190
[  467.133554][ T8653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  467.133595][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.133625][ T8653]  ? __raw_spin_lock_init+0x45/0x100
[  467.133663][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.133693][ T8653]  ? __init_swait_queue_head+0xa9/0x150
[  467.133733][ T8653]  gfs2_sys_fs_add+0x234/0x450
[  467.133773][ T8653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  467.133820][ T8653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  467.133873][ T8653]  gfs2_fill_super+0x1388/0x21b0
[  467.133919][ T8653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.133944][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.133980][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.134009][ T8653]  ? sb_set_blocksize+0x155/0x240
[  467.134043][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.134072][ T8653]  ? setup_bdev_super+0x4c1/0x5b0
[  467.134114][ T8653]  get_tree_bdev_flags+0x40e/0x4d0
[  467.134152][ T8653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.134180][ T8653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  467.134215][ T8653]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  467.134251][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.134289][ T8653]  gfs2_get_tree+0x51/0x1e0
[  467.134324][ T8653]  vfs_get_tree+0x92/0x2a0
[  467.134366][ T8653]  do_new_mount+0x302/0xa10
[  467.134389][ T8653]  ? apparmor_capable+0x137/0x1a0
[  467.134433][ T8653]  ? __pfx_do_new_mount+0x10/0x10
[  467.134458][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.134487][ T8653]  ? ns_capable+0x8a/0xf0
[  467.134516][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.134553][ T8653]  ? kmem_cache_free+0x197/0x620
[  467.134604][ T8653]  __se_sys_mount+0x313/0x410
[  467.134637][ T8653]  ? __pfx___se_sys_mount+0x10/0x10
[  467.134669][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.134698][ T8653]  ? __x64_sys_mount+0x20/0xc0
[  467.134727][ T8653]  do_syscall_64+0xfa/0xf80
[  467.134765][ T8653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.134790][ T8653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.134819][ T8653]  ? exc_page_fault+0xab/0x100
[  467.134857][ T8653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.134882][ T8653] RIP: 0033:0x7f892a790eea
[  467.134905][ T8653] 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
[  467.134928][ T8653] RSP: 002b:00007f892b605e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  467.134955][ T8653] RAX: ffffffffffffffda RBX: 00007f892b605ef0 RCX: 00007f892a790eea
[  467.134975][ T8653] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f892b605eb0
[  467.134994][ T8653] RBP: 00002000000124c0 R08: 00007f892b605ef0 R09: 0000000000000000
[  467.135013][ T8653] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  467.135030][ T8653] R13: 00007f892b605eb0 R14: 00000000000125c7 R15: 0000200000000180
[  467.135070][ T8653]  </TASK>
[  467.329648][ T8660] loop1: detected capacity change from 0 to 32768
[  467.332004][ T8653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  467.521141][ T8653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  467.700330][ T8656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  467.710101][ T8656] CPU: 1 UID: 0 PID: 8656 Comm: syz.3.648 Not tainted syzkaller #0 PREEMPT(full) 
[  467.710134][ T8656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  467.710151][ T8656] Call Trace:
[  467.710162][ T8656]  <TASK>
[  467.710172][ T8656]  dump_stack_lvl+0x189/0x250
[  467.710213][ T8656]  ? __pfx_dump_stack_lvl+0x10/0x10
[  467.710244][ T8656]  ? __pfx__printk+0x10/0x10
[  467.710288][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.710318][ T8656]  ? kernfs_path_from_node+0x250/0x290
[  467.710363][ T8656]  ? kernfs_path_from_node+0x2f/0x290
[  467.710405][ T8656]  sysfs_create_dir_ns+0x259/0x280
[  467.710445][ T8656]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  467.710485][ T8656]  ? do_raw_spin_unlock+0x122/0x240
[  467.710529][ T8656]  kobject_add_internal+0x6a8/0xca0
[  467.710581][ T8656]  kobject_init_and_add+0x125/0x190
[  467.710628][ T8656]  ? __pfx_kobject_init_and_add+0x10/0x10
[  467.710669][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.710698][ T8656]  ? __raw_spin_lock_init+0x45/0x100
[  467.710737][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.710766][ T8656]  ? __init_swait_queue_head+0xa9/0x150
[  467.710807][ T8656]  gfs2_sys_fs_add+0x234/0x450
[  467.710846][ T8656]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  467.710893][ T8656]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  467.710946][ T8656]  gfs2_fill_super+0x1388/0x21b0
[  467.710993][ T8656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.711018][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.711053][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.711082][ T8656]  ? sb_set_blocksize+0x155/0x240
[  467.711115][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.711144][ T8656]  ? setup_bdev_super+0x4c1/0x5b0
[  467.711185][ T8656]  get_tree_bdev_flags+0x40e/0x4d0
[  467.711222][ T8656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.711249][ T8656]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  467.711284][ T8656]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  467.711317][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.711360][ T8656]  gfs2_get_tree+0x51/0x1e0
[  467.711390][ T8656]  vfs_get_tree+0x92/0x2a0
[  467.711429][ T8656]  do_new_mount+0x302/0xa10
[  467.711452][ T8656]  ? apparmor_capable+0x137/0x1a0
[  467.711496][ T8656]  ? __pfx_do_new_mount+0x10/0x10
[  467.711520][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.711549][ T8656]  ? ns_capable+0x8a/0xf0
[  467.711576][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.711607][ T8656]  ? kmem_cache_free+0x197/0x620
[  467.711658][ T8656]  __se_sys_mount+0x313/0x410
[  467.711691][ T8656]  ? __pfx___se_sys_mount+0x10/0x10
[  467.711722][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.711750][ T8656]  ? __x64_sys_mount+0x20/0xc0
[  467.711779][ T8656]  do_syscall_64+0xfa/0xf80
[  467.711816][ T8656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.711840][ T8656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.711870][ T8656]  ? exc_page_fault+0xab/0x100
[  467.711907][ T8656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.711932][ T8656] RIP: 0033:0x7fe252990eea
[  467.711954][ T8656] 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
[  467.711977][ T8656] RSP: 002b:00007fe2538d1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  467.712004][ T8656] RAX: ffffffffffffffda RBX: 00007fe2538d1ef0 RCX: 00007fe252990eea
[  467.712023][ T8656] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fe2538d1eb0
[  467.712042][ T8656] RBP: 00002000000124c0 R08: 00007fe2538d1ef0 R09: 0000000000000000
[  467.712060][ T8656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  467.712077][ T8656] R13: 00007fe2538d1eb0 R14: 00000000000125c7 R15: 0000200000000180
[  467.712117][ T8656]  </TASK>
[  467.712145][ T8656] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  467.753837][ T8657] loop5: detected capacity change from 0 to 32768
[  467.758251][ T8656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  467.801018][ T8660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  467.925989][ T1153] bridge_slave_0: left allmulticast mode
[  467.927084][ T8660] CPU: 1 UID: 0 PID: 8660 Comm: syz.1.650 Not tainted syzkaller #0 PREEMPT(full) 
[  467.927114][ T8660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  467.927130][ T8660] Call Trace:
[  467.927141][ T8660]  <TASK>
[  467.927151][ T8660]  dump_stack_lvl+0x189/0x250
[  467.927190][ T8660]  ? __pfx_dump_stack_lvl+0x10/0x10
[  467.927221][ T8660]  ? __pfx__printk+0x10/0x10
[  467.927264][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.927293][ T8660]  ? kernfs_path_from_node+0x250/0x290
[  467.927329][ T8660]  ? kernfs_path_from_node+0x2f/0x290
[  467.927370][ T8660]  sysfs_create_dir_ns+0x259/0x280
[  467.927409][ T8660]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  467.927447][ T8660]  ? do_raw_spin_unlock+0x122/0x240
[  467.927489][ T8660]  kobject_add_internal+0x6a8/0xca0
[  467.927539][ T8660]  kobject_init_and_add+0x125/0x190
[  467.927584][ T8660]  ? __pfx_kobject_init_and_add+0x10/0x10
[  467.927629][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.927657][ T8660]  ? __raw_spin_lock_init+0x45/0x100
[  467.927694][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.927721][ T8660]  ? __init_swait_queue_head+0xa9/0x150
[  467.927761][ T8660]  gfs2_sys_fs_add+0x234/0x450
[  467.927799][ T8660]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  467.927844][ T8660]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  467.927895][ T8660]  gfs2_fill_super+0x1388/0x21b0
[  467.927941][ T8660]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.927965][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.928001][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.928029][ T8660]  ? sb_set_blocksize+0x155/0x240
[  467.928061][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.928089][ T8660]  ? setup_bdev_super+0x4c1/0x5b0
[  467.928128][ T8660]  get_tree_bdev_flags+0x40e/0x4d0
[  467.928164][ T8660]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.928191][ T8660]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  467.928224][ T8660]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  467.928261][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.928298][ T8660]  gfs2_get_tree+0x51/0x1e0
[  467.928327][ T8660]  vfs_get_tree+0x92/0x2a0
[  467.928366][ T8660]  do_new_mount+0x302/0xa10
[  467.928389][ T8660]  ? apparmor_capable+0x137/0x1a0
[  467.928432][ T8660]  ? __pfx_do_new_mount+0x10/0x10
[  467.928455][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.928483][ T8660]  ? ns_capable+0x8a/0xf0
[  467.928511][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.928541][ T8660]  ? kmem_cache_free+0x197/0x620
[  467.928592][ T8660]  __se_sys_mount+0x313/0x410
[  467.928627][ T8660]  ? __pfx___se_sys_mount+0x10/0x10
[  467.928658][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.928686][ T8660]  ? __x64_sys_mount+0x20/0xc0
[  467.928714][ T8660]  do_syscall_64+0xfa/0xf80
[  467.928751][ T8660]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.928775][ T8660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  467.928803][ T8660]  ? exc_page_fault+0xab/0x100
[  467.928840][ T8660]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.928864][ T8660] RIP: 0033:0x7fd18dd90eea
[  467.928886][ T8660] 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
[  467.928907][ T8660] RSP: 002b:00007fd18ec15e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  467.928932][ T8660] RAX: ffffffffffffffda RBX: 00007fd18ec15ef0 RCX: 00007fd18dd90eea
[  467.928951][ T8660] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd18ec15eb0
[  467.928969][ T8660] RBP: 00002000000124c0 R08: 00007fd18ec15ef0 R09: 0000000000000000
[  467.928987][ T8660] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  467.929004][ T8660] R13: 00007fd18ec15eb0 R14: 00000000000125c7 R15: 0000200000000180
[  467.929043][ T8660]  </TASK>
[  467.929073][ T8660] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  467.932381][ T1153] bridge_slave_0: left promiscuous mode
[  467.937088][ T8660] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/05 08:36:02 executed programs: 645
[  468.677647][ T1153] bridge0: port 1(bridge_slave_0) entered disabled state
[  468.687309][ T8657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  468.694782][ T8657] CPU: 0 UID: 0 PID: 8657 Comm: syz.5.649 Not tainted syzkaller #0 PREEMPT(full) 
[  468.694814][ T8657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  468.694831][ T8657] Call Trace:
[  468.694841][ T8657]  <TASK>
[  468.694852][ T8657]  dump_stack_lvl+0x189/0x250
[  468.694891][ T8657]  ? __pfx_dump_stack_lvl+0x10/0x10
[  468.694922][ T8657]  ? __pfx__printk+0x10/0x10
[  468.694966][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.694996][ T8657]  ? kernfs_path_from_node+0x250/0x290
[  468.695033][ T8657]  ? kernfs_path_from_node+0x2f/0x290
[  468.695075][ T8657]  sysfs_create_dir_ns+0x259/0x280
[  468.695115][ T8657]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  468.695154][ T8657]  ? do_raw_spin_unlock+0x122/0x240
[  468.695198][ T8657]  kobject_add_internal+0x6a8/0xca0
[  468.695251][ T8657]  kobject_init_and_add+0x125/0x190
[  468.695298][ T8657]  ? __pfx_kobject_init_and_add+0x10/0x10
[  468.695339][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.695378][ T8657]  ? __raw_spin_lock_init+0x45/0x100
[  468.695416][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.695444][ T8657]  ? __init_swait_queue_head+0xa9/0x150
[  468.695484][ T8657]  gfs2_sys_fs_add+0x234/0x450
[  468.695524][ T8657]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  468.695570][ T8657]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  468.695622][ T8657]  gfs2_fill_super+0x1388/0x21b0
[  468.695669][ T8657]  ? __pfx_gfs2_fill_super+0x10/0x10
[  468.695693][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.695729][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.695758][ T8657]  ? sb_set_blocksize+0x155/0x240
[  468.695790][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.695819][ T8657]  ? setup_bdev_super+0x4c1/0x5b0
[  468.695861][ T8657]  get_tree_bdev_flags+0x40e/0x4d0
[  468.695897][ T8657]  ? __pfx_gfs2_fill_super+0x10/0x10
[  468.695926][ T8657]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  468.695961][ T8657]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  468.695994][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.696032][ T8657]  gfs2_get_tree+0x51/0x1e0
[  468.696063][ T8657]  vfs_get_tree+0x92/0x2a0
[  468.696102][ T8657]  do_new_mount+0x302/0xa10
[  468.696125][ T8657]  ? apparmor_capable+0x137/0x1a0
[  468.696169][ T8657]  ? __pfx_do_new_mount+0x10/0x10
[  468.696193][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.696222][ T8657]  ? ns_capable+0x8a/0xf0
[  468.696249][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.696280][ T8657]  ? kmem_cache_free+0x197/0x620
[  468.696331][ T8657]  __se_sys_mount+0x313/0x410
[  468.696371][ T8657]  ? __pfx___se_sys_mount+0x10/0x10
[  468.696402][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.696431][ T8657]  ? __x64_sys_mount+0x20/0xc0
[  468.696459][ T8657]  do_syscall_64+0xfa/0xf80
[  468.696497][ T8657]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  468.696521][ T8657]  ? srso_alias_return_thunk+0x5/0xfbef5
[  468.696550][ T8657]  ? exc_page_fault+0xab/0x100
[  468.696587][ T8657]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  468.696612][ T8657] RIP: 0033:0x7fb6ecb90eea
[  468.696634][ T8657] 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
[  468.696656][ T8657] RSP: 002b:00007fb6edad4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  468.696681][ T8657] RAX: ffffffffffffffda RBX: 00007fb6edad4ef0 RCX: 00007fb6ecb90eea
[  468.696700][ T8657] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb6edad4eb0
[  468.696718][ T8657] RBP: 00002000000124c0 R08: 00007fb6edad4ef0 R09: 0000000000000000
[  468.696736][ T8657] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  468.696753][ T8657] R13: 00007fb6edad4eb0 R14: 00000000000125c7 R15: 0000200000000180
[  468.696792][ T8657]  </TASK>
[  468.696820][ T8657] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  469.075788][ T8657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  469.133841][ T8669] loop4: detected capacity change from 0 to 32768
[  469.171076][ T8669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  469.178600][ T8669] CPU: 1 UID: 0 PID: 8669 Comm: syz.4.652 Not tainted syzkaller #0 PREEMPT(full) 
[  469.178631][ T8669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  469.178647][ T8669] Call Trace:
[  469.178657][ T8669]  <TASK>
[  469.178668][ T8669]  dump_stack_lvl+0x189/0x250
[  469.178708][ T8669]  ? __pfx_dump_stack_lvl+0x10/0x10
[  469.178739][ T8669]  ? __pfx__printk+0x10/0x10
[  469.178784][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.178815][ T8669]  ? kernfs_path_from_node+0x250/0x290
[  469.178853][ T8669]  ? kernfs_path_from_node+0x2f/0x290
[  469.178896][ T8669]  sysfs_create_dir_ns+0x259/0x280
[  469.178936][ T8669]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  469.178975][ T8669]  ? do_raw_spin_unlock+0x122/0x240
[  469.179019][ T8669]  kobject_add_internal+0x6a8/0xca0
[  469.179070][ T8669]  kobject_init_and_add+0x125/0x190
[  469.179118][ T8669]  ? __pfx_kobject_init_and_add+0x10/0x10
[  469.179158][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.179188][ T8669]  ? __raw_spin_lock_init+0x45/0x100
[  469.179226][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.179255][ T8669]  ? __init_swait_queue_head+0xa9/0x150
[  469.179296][ T8669]  gfs2_sys_fs_add+0x234/0x450
[  469.179337][ T8669]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  469.179384][ T8669]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  469.179438][ T8669]  gfs2_fill_super+0x1388/0x21b0
[  469.179485][ T8669]  ? __pfx_gfs2_fill_super+0x10/0x10
[  469.179516][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.179553][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.179582][ T8669]  ? sb_set_blocksize+0x155/0x240
[  469.179615][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.179644][ T8669]  ? setup_bdev_super+0x4c1/0x5b0
[  469.179685][ T8669]  get_tree_bdev_flags+0x40e/0x4d0
[  469.179723][ T8669]  ? __pfx_gfs2_fill_super+0x10/0x10
[  469.179751][ T8669]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  469.179786][ T8669]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  469.179821][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.179859][ T8669]  gfs2_get_tree+0x51/0x1e0
[  469.179889][ T8669]  vfs_get_tree+0x92/0x2a0
[  469.179930][ T8669]  do_new_mount+0x302/0xa10
[  469.179953][ T8669]  ? apparmor_capable+0x137/0x1a0
[  469.179996][ T8669]  ? __pfx_do_new_mount+0x10/0x10
[  469.180020][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.180049][ T8669]  ? ns_capable+0x8a/0xf0
[  469.180076][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.180107][ T8669]  ? kmem_cache_free+0x197/0x620
[  469.180158][ T8669]  __se_sys_mount+0x313/0x410
[  469.180191][ T8669]  ? __pfx___se_sys_mount+0x10/0x10
[  469.180223][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.180252][ T8669]  ? __x64_sys_mount+0x20/0xc0
[  469.180281][ T8669]  do_syscall_64+0xfa/0xf80
[  469.180318][ T8669]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  469.180343][ T8669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  469.180371][ T8669]  ? exc_page_fault+0xab/0x100
[  469.180409][ T8669]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  469.180434][ T8669] RIP: 0033:0x7f892a790eea
[  469.180457][ T8669] 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
[  469.180478][ T8669] RSP: 002b:00007f892b605e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  469.180513][ T8669] RAX: ffffffffffffffda RBX: 00007f892b605ef0 RCX: 00007f892a790eea
[  469.180532][ T8669] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f892b605eb0
[  469.180550][ T8669] RBP: 00002000000124c0 R08: 00007f892b605ef0 R09: 0000000000000000
[  469.180569][ T8669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  469.180586][ T8669] R13: 00007f892b605eb0 R14: 00000000000125c7 R15: 0000200000000180
[  469.180626][ T8669]  </TASK>
[  469.180654][ T8669] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  469.563103][ T8669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  469.688020][ T8673] loop3: detected capacity change from 0 to 32768
[  469.724068][ T8673] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  469.732362][ T8673] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  469.775280][ T8673] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  469.817557][ T6703] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  469.840533][ T6703] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  470.008340][ T6703] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 167ms
[  470.064661][ T6703] gfs2: fsid=syz:syz.0: jid=0: Done
[  470.069967][ T8673] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  470.547441][ T8677] loop1: detected capacity change from 0 to 32768
[  470.657004][ T8673] gfs2: fsid=syz:syz.0: found 1 quota changes
[  470.663920][ T8677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  470.671517][ T8677] CPU: 1 UID: 0 PID: 8677 Comm: syz.1.653 Not tainted syzkaller #0 PREEMPT(full) 
[  470.671553][ T8677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  470.671569][ T8677] Call Trace:
[  470.671580][ T8677]  <TASK>
[  470.671589][ T8677]  dump_stack_lvl+0x189/0x250
[  470.671629][ T8677]  ? __pfx_dump_stack_lvl+0x10/0x10
[  470.671660][ T8677]  ? __pfx__printk+0x10/0x10
[  470.671704][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.671734][ T8677]  ? kernfs_path_from_node+0x250/0x290
[  470.671770][ T8677]  ? kernfs_path_from_node+0x2f/0x290
[  470.671813][ T8677]  sysfs_create_dir_ns+0x259/0x280
[  470.671854][ T8677]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  470.671895][ T8677]  ? do_raw_spin_unlock+0x122/0x240
[  470.671941][ T8677]  kobject_add_internal+0x6a8/0xca0
[  470.671996][ T8677]  kobject_init_and_add+0x125/0x190
[  470.672046][ T8677]  ? __pfx_kobject_init_and_add+0x10/0x10
[  470.672089][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.672119][ T8677]  ? __raw_spin_lock_init+0x45/0x100
[  470.672159][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.672189][ T8677]  ? __init_swait_queue_head+0xa9/0x150
[  470.672231][ T8677]  gfs2_sys_fs_add+0x234/0x450
[  470.672273][ T8677]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  470.672322][ T8677]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  470.672378][ T8677]  gfs2_fill_super+0x1388/0x21b0
[  470.672427][ T8677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  470.672452][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.672490][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.672520][ T8677]  ? sb_set_blocksize+0x155/0x240
[  470.672558][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.672589][ T8677]  ? setup_bdev_super+0x4c1/0x5b0
[  470.672632][ T8677]  get_tree_bdev_flags+0x40e/0x4d0
[  470.672671][ T8677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  470.672699][ T8677]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  470.672735][ T8677]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  470.672771][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.672811][ T8677]  gfs2_get_tree+0x51/0x1e0
[  470.672844][ T8677]  vfs_get_tree+0x92/0x2a0
[  470.672886][ T8677]  do_new_mount+0x302/0xa10
[  470.672910][ T8677]  ? apparmor_capable+0x137/0x1a0
[  470.672956][ T8677]  ? __pfx_do_new_mount+0x10/0x10
[  470.672982][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.673012][ T8677]  ? ns_capable+0x8a/0xf0
[  470.673040][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.673073][ T8677]  ? kmem_cache_free+0x197/0x620
[  470.673127][ T8677]  __se_sys_mount+0x313/0x410
[  470.673161][ T8677]  ? __pfx___se_sys_mount+0x10/0x10
[  470.673194][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.673225][ T8677]  ? __x64_sys_mount+0x20/0xc0
[  470.673255][ T8677]  do_syscall_64+0xfa/0xf80
[  470.673295][ T8677]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  470.673321][ T8677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  470.673351][ T8677]  ? exc_page_fault+0xab/0x100
[  470.673391][ T8677]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  470.673417][ T8677] RIP: 0033:0x7fd18dd90eea
[  470.673440][ T8677] 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
[  470.673464][ T8677] RSP: 002b:00007fd18ec15e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  470.673491][ T8677] RAX: ffffffffffffffda RBX: 00007fd18ec15ef0 RCX: 00007fd18dd90eea
[  470.673512][ T8677] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd18ec15eb0
[  470.673532][ T8677] RBP: 00002000000124c0 R08: 00007fd18ec15ef0 R09: 0000000000000000
[  470.673554][ T8677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  470.673573][ T8677] R13: 00007fd18ec15eb0 R14: 00000000000125c7 R15: 0000200000000180
[  470.673616][ T8677]  </TASK>
[  470.673644][ T8677] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  470.693260][ T8681] loop5: detected capacity change from 0 to 32768
[  470.695329][ T8677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  470.748477][ T8681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  471.076183][ T8681] CPU: 0 UID: 0 PID: 8681 Comm: syz.5.654 Not tainted syzkaller #0 PREEMPT(full) 
[  471.076214][ T8681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  471.076231][ T8681] Call Trace:
[  471.076241][ T8681]  <TASK>
[  471.076252][ T8681]  dump_stack_lvl+0x189/0x250
[  471.076297][ T8681]  ? __pfx_dump_stack_lvl+0x10/0x10
[  471.076328][ T8681]  ? __pfx__printk+0x10/0x10
[  471.076372][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.076402][ T8681]  ? kernfs_path_from_node+0x250/0x290
[  471.076439][ T8681]  ? kernfs_path_from_node+0x2f/0x290
[  471.076481][ T8681]  sysfs_create_dir_ns+0x259/0x280
[  471.076521][ T8681]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  471.076561][ T8681]  ? do_raw_spin_unlock+0x122/0x240
[  471.076604][ T8681]  kobject_add_internal+0x6a8/0xca0
[  471.076657][ T8681]  kobject_init_and_add+0x125/0x190
[  471.076703][ T8681]  ? __pfx_kobject_init_and_add+0x10/0x10
[  471.076743][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.076773][ T8681]  ? __raw_spin_lock_init+0x45/0x100
[  471.076810][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.076839][ T8681]  ? __init_swait_queue_head+0xa9/0x150
[  471.076880][ T8681]  gfs2_sys_fs_add+0x234/0x450
[  471.076919][ T8681]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  471.076965][ T8681]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  471.077017][ T8681]  gfs2_fill_super+0x1388/0x21b0
[  471.077064][ T8681]  ? __pfx_gfs2_fill_super+0x10/0x10
[  471.077088][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.077123][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.077152][ T8681]  ? sb_set_blocksize+0x155/0x240
[  471.077184][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.077212][ T8681]  ? setup_bdev_super+0x4c1/0x5b0
[  471.077253][ T8681]  get_tree_bdev_flags+0x40e/0x4d0
[  471.077295][ T8681]  ? __pfx_gfs2_fill_super+0x10/0x10
[  471.077322][ T8681]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  471.077356][ T8681]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  471.077390][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.077428][ T8681]  gfs2_get_tree+0x51/0x1e0
[  471.077459][ T8681]  vfs_get_tree+0x92/0x2a0
[  471.077498][ T8681]  do_new_mount+0x302/0xa10
[  471.077521][ T8681]  ? apparmor_capable+0x137/0x1a0
[  471.077563][ T8681]  ? __pfx_do_new_mount+0x10/0x10
[  471.077587][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.077616][ T8681]  ? ns_capable+0x8a/0xf0
[  471.077643][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.077674][ T8681]  ? kmem_cache_free+0x197/0x620
[  471.077724][ T8681]  __se_sys_mount+0x313/0x410
[  471.077758][ T8681]  ? __pfx___se_sys_mount+0x10/0x10
[  471.077789][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.077817][ T8681]  ? __x64_sys_mount+0x20/0xc0
[  471.077846][ T8681]  do_syscall_64+0xfa/0xf80
[  471.077884][ T8681]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  471.077909][ T8681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.077938][ T8681]  ? exc_page_fault+0xab/0x100
[  471.077975][ T8681]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  471.078000][ T8681] RIP: 0033:0x7fb6ecb90eea
[  471.078023][ T8681] 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
[  471.078045][ T8681] RSP: 002b:00007fb6edad4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  471.078072][ T8681] RAX: ffffffffffffffda RBX: 00007fb6edad4ef0 RCX: 00007fb6ecb90eea
[  471.078091][ T8681] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb6edad4eb0
[  471.078110][ T8681] RBP: 00002000000124c0 R08: 00007fb6edad4ef0 R09: 0000000000000000
[  471.078129][ T8681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  471.078146][ T8681] R13: 00007fb6edad4eb0 R14: 00000000000125c7 R15: 0000200000000180
[  471.078185][ T8681]  </TASK>
[  471.078219][ T8681] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  471.355157][ T8688] loop4: detected capacity change from 0 to 32768
[  471.355442][ T8681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  471.505771][ T8688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  471.513272][ T8688] CPU: 1 UID: 0 PID: 8688 Comm: syz.4.655 Not tainted syzkaller #0 PREEMPT(full) 
[  471.513304][ T8688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  471.513321][ T8688] Call Trace:
[  471.513331][ T8688]  <TASK>
[  471.513342][ T8688]  dump_stack_lvl+0x189/0x250
[  471.513381][ T8688]  ? __pfx_dump_stack_lvl+0x10/0x10
[  471.513413][ T8688]  ? __pfx__printk+0x10/0x10
[  471.513455][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.513485][ T8688]  ? kernfs_path_from_node+0x250/0x290
[  471.513522][ T8688]  ? kernfs_path_from_node+0x2f/0x290
[  471.513564][ T8688]  sysfs_create_dir_ns+0x259/0x280
[  471.513603][ T8688]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  471.513642][ T8688]  ? do_raw_spin_unlock+0x122/0x240
[  471.513685][ T8688]  kobject_add_internal+0x6a8/0xca0
[  471.513736][ T8688]  kobject_init_and_add+0x125/0x190
[  471.513782][ T8688]  ? __pfx_kobject_init_and_add+0x10/0x10
[  471.513827][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.513856][ T8688]  ? __raw_spin_lock_init+0x45/0x100
[  471.513894][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.513923][ T8688]  ? __init_swait_queue_head+0xa9/0x150
[  471.513964][ T8688]  gfs2_sys_fs_add+0x234/0x450
[  471.514003][ T8688]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  471.514052][ T8688]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  471.514104][ T8688]  gfs2_fill_super+0x1388/0x21b0
[  471.514150][ T8688]  ? __pfx_gfs2_fill_super+0x10/0x10
[  471.514173][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.514209][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.514236][ T8688]  ? sb_set_blocksize+0x155/0x240
[  471.514287][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.514315][ T8688]  ? setup_bdev_super+0x4c1/0x5b0
[  471.514355][ T8688]  get_tree_bdev_flags+0x40e/0x4d0
[  471.514392][ T8688]  ? __pfx_gfs2_fill_super+0x10/0x10
[  471.514418][ T8688]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  471.514453][ T8688]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  471.514486][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.514524][ T8688]  gfs2_get_tree+0x51/0x1e0
[  471.514554][ T8688]  vfs_get_tree+0x92/0x2a0
[  471.514593][ T8688]  do_new_mount+0x302/0xa10
[  471.514616][ T8688]  ? apparmor_capable+0x137/0x1a0
[  471.514659][ T8688]  ? __pfx_do_new_mount+0x10/0x10
[  471.514683][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.514712][ T8688]  ? ns_capable+0x8a/0xf0
[  471.514740][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.514771][ T8688]  ? kmem_cache_free+0x197/0x620
[  471.514821][ T8688]  __se_sys_mount+0x313/0x410
[  471.514855][ T8688]  ? __pfx___se_sys_mount+0x10/0x10
[  471.514886][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.514914][ T8688]  ? __x64_sys_mount+0x20/0xc0
[  471.514943][ T8688]  do_syscall_64+0xfa/0xf80
[  471.514980][ T8688]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  471.515004][ T8688]  ? srso_alias_return_thunk+0x5/0xfbef5
[  471.515032][ T8688]  ? exc_page_fault+0xab/0x100
[  471.515069][ T8688]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  471.515094][ T8688] RIP: 0033:0x7f892a790eea
[  471.515116][ T8688] 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
[  471.515138][ T8688] RSP: 002b:00007f892b605e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  471.515164][ T8688] RAX: ffffffffffffffda RBX: 00007f892b605ef0 RCX: 00007f892a790eea
[  471.515183][ T8688] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f892b605eb0
[  471.515202][ T8688] RBP: 00002000000124c0 R08: 00007f892b605ef0 R09: 0000000000000000
[  471.515220][ T8688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  471.515237][ T8688] R13: 00007f892b605eb0 R14: 00000000000125c7 R15: 0000200000000180
[  471.515281][ T8688]  </TASK>
[  471.874778][ T8688] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  471.888846][ T8688] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  472.289923][ T5963] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  472.352045][ T8691] loop0: detected capacity change from 0 to 32768
[  472.381754][ T5963] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  472.391051][ T5963] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:5963 [syz-executor] gfs2_quota_sync+0x359/0x460
[  472.401120][ T5963] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  472.410076][ T5963] CPU: 1 UID: 0 PID: 5963 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  472.410107][ T5963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  472.410124][ T5963] Call Trace:
[  472.410136][ T5963]  <TASK>
[  472.410147][ T5963]  dump_stack_lvl+0x189/0x250
[  472.410186][ T5963]  ? __pfx_dump_stack_lvl+0x10/0x10
[  472.410218][ T5963]  ? queue_delayed_work_on+0x11a/0x280
[  472.410257][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.410288][ T5963]  ? lockdep_hardirqs_on+0x98/0x140
[  472.410327][ T5963]  ? preempt_schedule+0xae/0xc0
[  472.410372][ T5963]  gfs2_withdraw+0xc3/0x1b0
[  472.410401][ T5963]  inode_go_instantiate+0xdd0/0x1210
[  472.410440][ T5963]  ? __pfx_inode_go_instantiate+0x10/0x10
[  472.410469][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.410499][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.410530][ T5963]  ? gfs2_glock_nq+0xedd/0x15f0
[  472.410569][ T5963]  gfs2_instantiate+0x168/0x220
[  472.410600][ T5963]  gfs2_glock_wait+0x1d4/0x2a0
[  472.410635][ T5963]  do_sync+0x46f/0xc60
[  472.410670][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.410699][ T5963]  ? _raw_spin_unlock+0x28/0x50
[  472.410730][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.410761][ T5963]  ? gfs2_quota_sync+0x359/0x460
[  472.410812][ T5963]  ? __pfx_do_sync+0x10/0x10
[  472.410862][ T5963]  ? gfs2_quota_sync+0x359/0x460
[  472.410897][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.410932][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.410962][ T5963]  ? do_raw_spin_unlock+0x122/0x240
[  472.411007][ T5963]  gfs2_quota_sync+0x359/0x460
[  472.411058][ T5963]  gfs2_sync_fs+0x4c/0xb0
[  472.411095][ T5963]  sync_filesystem+0xee/0x230
[  472.411129][ T5963]  generic_shutdown_super+0x6f/0x2c0
[  472.411166][ T5963]  kill_block_super+0x44/0x90
[  472.411203][ T5963]  deactivate_locked_super+0xbc/0x130
[  472.411237][ T5963]  cleanup_mnt+0x425/0x4c0
[  472.411275][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.411304][ T5963]  ? lockdep_hardirqs_on+0x98/0x140
[  472.411344][ T5963]  task_work_run+0x1d4/0x260
[  472.411387][ T5963]  ? __pfx_task_work_run+0x10/0x10
[  472.411431][ T5963]  ? exit_to_user_mode_loop+0x55/0x4f0
[  472.411465][ T5963]  exit_to_user_mode_loop+0xff/0x4f0
[  472.411491][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.411521][ T5963]  ? rcu_is_watching+0x15/0xb0
[  472.411562][ T5963]  do_syscall_64+0x2e3/0xf80
[  472.411601][ T5963]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  472.411627][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.411657][ T5963]  ? exc_page_fault+0xab/0x100
[  472.411694][ T5963]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  472.411721][ T5963] RIP: 0033:0x7fe252990a77
[  472.411743][ T5963] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  472.411766][ T5963] RSP: 002b:00007ffdb41e8ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  472.411793][ T5963] RAX: 0000000000000000 RBX: 00007fe252a13d7d RCX: 00007fe252990a77
[  472.411812][ T5963] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb41e8f80
[  472.411830][ T5963] RBP: 00007ffdb41e8f80 R08: 0000000000000000 R09: 0000000000000000
[  472.411848][ T5963] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdb41ea010
[  472.411866][ T5963] R13: 00007fe252a13d7d R14: 0000000000072f4e R15: 00007ffdb41ea050
[  472.411909][ T5963]  </TASK>
[  472.411920][ T5963] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  472.732075][ T8693] loop1: detected capacity change from 0 to 32768
[  472.904864][ T8693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  472.912371][ T8693] CPU: 0 UID: 0 PID: 8693 Comm: syz.1.657 Not tainted syzkaller #0 PREEMPT(full) 
[  472.912404][ T8693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  472.912421][ T8693] Call Trace:
[  472.912431][ T8693]  <TASK>
[  472.912442][ T8693]  dump_stack_lvl+0x189/0x250
[  472.912483][ T8693]  ? __pfx_dump_stack_lvl+0x10/0x10
[  472.912515][ T8693]  ? __pfx__printk+0x10/0x10
[  472.912558][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.912588][ T8693]  ? kernfs_path_from_node+0x250/0x290
[  472.912625][ T8693]  ? kernfs_path_from_node+0x2f/0x290
[  472.912667][ T8693]  sysfs_create_dir_ns+0x259/0x280
[  472.912708][ T8693]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  472.912747][ T8693]  ? do_raw_spin_unlock+0x122/0x240
[  472.912790][ T8693]  kobject_add_internal+0x6a8/0xca0
[  472.912842][ T8693]  kobject_init_and_add+0x125/0x190
[  472.912889][ T8693]  ? __pfx_kobject_init_and_add+0x10/0x10
[  472.912930][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.912960][ T8693]  ? __raw_spin_lock_init+0x45/0x100
[  472.912997][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.913026][ T8693]  ? __init_swait_queue_head+0xa9/0x150
[  472.913067][ T8693]  gfs2_sys_fs_add+0x234/0x450
[  472.913107][ T8693]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  472.913153][ T8693]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  472.913206][ T8693]  gfs2_fill_super+0x1388/0x21b0
[  472.913253][ T8693]  ? __pfx_gfs2_fill_super+0x10/0x10
[  472.913284][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.913319][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.913348][ T8693]  ? sb_set_blocksize+0x155/0x240
[  472.913381][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.913409][ T8693]  ? setup_bdev_super+0x4c1/0x5b0
[  472.913450][ T8693]  get_tree_bdev_flags+0x40e/0x4d0
[  472.913488][ T8693]  ? __pfx_gfs2_fill_super+0x10/0x10
[  472.913516][ T8693]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  472.913550][ T8693]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  472.913584][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.913622][ T8693]  gfs2_get_tree+0x51/0x1e0
[  472.913652][ T8693]  vfs_get_tree+0x92/0x2a0
[  472.913692][ T8693]  do_new_mount+0x302/0xa10
[  472.913716][ T8693]  ? apparmor_capable+0x137/0x1a0
[  472.913760][ T8693]  ? __pfx_do_new_mount+0x10/0x10
[  472.913784][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.913812][ T8693]  ? ns_capable+0x8a/0xf0
[  472.913839][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.913870][ T8693]  ? kmem_cache_free+0x197/0x620
[  472.913920][ T8693]  __se_sys_mount+0x313/0x410
[  472.913954][ T8693]  ? __pfx___se_sys_mount+0x10/0x10
[  472.913985][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.914014][ T8693]  ? __x64_sys_mount+0x20/0xc0
[  472.914042][ T8693]  do_syscall_64+0xfa/0xf80
[  472.914081][ T8693]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  472.914105][ T8693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  472.914134][ T8693]  ? exc_page_fault+0xab/0x100
[  472.914170][ T8693]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  472.914196][ T8693] RIP: 0033:0x7fd18dd90eea
[  472.914219][ T8693] 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
[  472.914241][ T8693] RSP: 002b:00007fd18ec15e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  472.914274][ T8693] RAX: ffffffffffffffda RBX: 00007fd18ec15ef0 RCX: 00007fd18dd90eea
[  472.914294][ T8693] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd18ec15eb0
[  472.914313][ T8693] RBP: 00002000000124c0 R08: 00007fd18ec15ef0 R09: 0000000000000000
[  472.914333][ T8693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  472.914349][ T8693] R13: 00007fd18ec15eb0 R14: 00000000000125c7 R15: 0000200000000180
[  472.914386][ T8693]  </TASK>
[  473.273061][ T8693] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  473.287212][ T8693] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  473.316563][ T8698] loop5: detected capacity change from 0 to 32768
[  473.385411][ T8691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  473.392872][ T8691] CPU: 0 UID: 0 PID: 8691 Comm: syz.0.647 Not tainted syzkaller #0 PREEMPT(full) 
[  473.392905][ T8691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  473.392921][ T8691] Call Trace:
[  473.392933][ T8691]  <TASK>
[  473.392944][ T8691]  dump_stack_lvl+0x189/0x250
[  473.392985][ T8691]  ? __pfx_dump_stack_lvl+0x10/0x10
[  473.393016][ T8691]  ? __pfx__printk+0x10/0x10
[  473.393061][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.393093][ T8691]  ? kernfs_path_from_node+0x250/0x290
[  473.393132][ T8691]  ? kernfs_path_from_node+0x2f/0x290
[  473.393177][ T8691]  sysfs_create_dir_ns+0x259/0x280
[  473.393219][ T8691]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  473.393260][ T8691]  ? do_raw_spin_unlock+0x122/0x240
[  473.393306][ T8691]  kobject_add_internal+0x6a8/0xca0
[  473.393360][ T8691]  kobject_init_and_add+0x125/0x190
[  473.393410][ T8691]  ? __pfx_kobject_init_and_add+0x10/0x10
[  473.393453][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.393482][ T8691]  ? __raw_spin_lock_init+0x45/0x100
[  473.393523][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.393554][ T8691]  ? __init_swait_queue_head+0xa9/0x150
[  473.393597][ T8691]  gfs2_sys_fs_add+0x234/0x450
[  473.393644][ T8691]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  473.393693][ T8691]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  473.393746][ T8691]  gfs2_fill_super+0x1388/0x21b0
[  473.393793][ T8691]  ? __pfx_gfs2_fill_super+0x10/0x10
[  473.393820][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.393856][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.393887][ T8691]  ? sb_set_blocksize+0x155/0x240
[  473.393921][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.393951][ T8691]  ? setup_bdev_super+0x4c1/0x5b0
[  473.393993][ T8691]  get_tree_bdev_flags+0x40e/0x4d0
[  473.394032][ T8691]  ? __pfx_gfs2_fill_super+0x10/0x10
[  473.394062][ T8691]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  473.394099][ T8691]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  473.394133][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.394173][ T8691]  gfs2_get_tree+0x51/0x1e0
[  473.394205][ T8691]  vfs_get_tree+0x92/0x2a0
[  473.394246][ T8691]  do_new_mount+0x302/0xa10
[  473.394269][ T8691]  ? apparmor_capable+0x137/0x1a0
[  473.394318][ T8691]  ? __pfx_do_new_mount+0x10/0x10
[  473.394343][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.394372][ T8691]  ? ns_capable+0x8a/0xf0
[  473.394401][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.394431][ T8691]  ? kmem_cache_free+0x197/0x620
[  473.394483][ T8691]  __se_sys_mount+0x313/0x410
[  473.394518][ T8691]  ? __pfx___se_sys_mount+0x10/0x10
[  473.394552][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.394581][ T8691]  ? __x64_sys_mount+0x20/0xc0
[  473.394617][ T8691]  do_syscall_64+0xfa/0xf80
[  473.394656][ T8691]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  473.394682][ T8691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  473.394712][ T8691]  ? exc_page_fault+0xab/0x100
[  473.394751][ T8691]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  473.394777][ T8691] RIP: 0033:0x7fb227790eea
[  473.394800][ T8691] 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
[  473.394822][ T8691] RSP: 002b:00007fb2285a9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  473.394850][ T8691] RAX: ffffffffffffffda RBX: 00007fb2285a9ef0 RCX: 00007fb227790eea
[  473.394869][ T8691] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb2285a9eb0
[  473.394890][ T8691] RBP: 00002000000124c0 R08: 00007fb2285a9ef0 R09: 0000000000000000
[  473.394908][ T8691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  473.394926][ T8691] R13: 00007fb2285a9eb0 R14: 00000000000125c7 R15: 0000200000000180
[  473.394967][ T8691]  </TASK>
[  473.752685][ T8691] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  473.766615][ T8691] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/05 08:36:07 executed programs: 653
[  474.058656][ T8698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  474.066119][ T8698] CPU: 0 UID: 0 PID: 8698 Comm: syz.5.659 Not tainted syzkaller #0 PREEMPT(full) 
[  474.066149][ T8698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  474.066166][ T8698] Call Trace:
[  474.066176][ T8698]  <TASK>
[  474.066187][ T8698]  dump_stack_lvl+0x189/0x250
[  474.066225][ T8698]  ? __pfx_dump_stack_lvl+0x10/0x10
[  474.066263][ T8698]  ? __pfx__printk+0x10/0x10
[  474.066306][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.066336][ T8698]  ? kernfs_path_from_node+0x250/0x290
[  474.066373][ T8698]  ? kernfs_path_from_node+0x2f/0x290
[  474.066415][ T8698]  sysfs_create_dir_ns+0x259/0x280
[  474.066455][ T8698]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  474.066494][ T8698]  ? do_raw_spin_unlock+0x122/0x240
[  474.066536][ T8698]  kobject_add_internal+0x6a8/0xca0
[  474.066588][ T8698]  kobject_init_and_add+0x125/0x190
[  474.066634][ T8698]  ? __pfx_kobject_init_and_add+0x10/0x10
[  474.066675][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.066704][ T8698]  ? __raw_spin_lock_init+0x45/0x100
[  474.066742][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.066771][ T8698]  ? __init_swait_queue_head+0xa9/0x150
[  474.066811][ T8698]  gfs2_sys_fs_add+0x234/0x450
[  474.066850][ T8698]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  474.066896][ T8698]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  474.066948][ T8698]  gfs2_fill_super+0x1388/0x21b0
[  474.066994][ T8698]  ? __pfx_gfs2_fill_super+0x10/0x10
[  474.067019][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.067055][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.067084][ T8698]  ? sb_set_blocksize+0x155/0x240
[  474.067116][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.067145][ T8698]  ? setup_bdev_super+0x4c1/0x5b0
[  474.067185][ T8698]  get_tree_bdev_flags+0x40e/0x4d0
[  474.067222][ T8698]  ? __pfx_gfs2_fill_super+0x10/0x10
[  474.067256][ T8698]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  474.067290][ T8698]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  474.067324][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.067361][ T8698]  gfs2_get_tree+0x51/0x1e0
[  474.067392][ T8698]  vfs_get_tree+0x92/0x2a0
[  474.067431][ T8698]  do_new_mount+0x302/0xa10
[  474.067454][ T8698]  ? apparmor_capable+0x137/0x1a0
[  474.067498][ T8698]  ? __pfx_do_new_mount+0x10/0x10
[  474.067522][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.067550][ T8698]  ? ns_capable+0x8a/0xf0
[  474.067577][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.067608][ T8698]  ? kmem_cache_free+0x197/0x620
[  474.067658][ T8698]  __se_sys_mount+0x313/0x410
[  474.067691][ T8698]  ? __pfx___se_sys_mount+0x10/0x10
[  474.067722][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.067751][ T8698]  ? __x64_sys_mount+0x20/0xc0
[  474.067779][ T8698]  do_syscall_64+0xfa/0xf80
[  474.067817][ T8698]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  474.067841][ T8698]  ? srso_alias_return_thunk+0x5/0xfbef5
[  474.067869][ T8698]  ? exc_page_fault+0xab/0x100
[  474.067906][ T8698]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  474.067931][ T8698] RIP: 0033:0x7fb6ecb90eea
[  474.067953][ T8698] 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
[  474.067974][ T8698] RSP: 002b:00007fb6edad4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  474.067999][ T8698] RAX: ffffffffffffffda RBX: 00007fb6edad4ef0 RCX: 00007fb6ecb90eea
[  474.068019][ T8698] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb6edad4eb0
[  474.068037][ T8698] RBP: 00002000000124c0 R08: 00007fb6edad4ef0 R09: 0000000000000000
[  474.068055][ T8698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  474.068072][ T8698] R13: 00007fb6edad4eb0 R14: 00000000000125c7 R15: 0000200000000180
[  474.068110][ T8698]  </TASK>
[  474.068136][ T8698] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  474.452924][ T8698] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  474.955577][ T8706] loop4: detected capacity change from 0 to 32768
[  475.054783][ T8707] loop1: detected capacity change from 0 to 32768
[  475.088753][ T8706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  475.096289][ T8706] CPU: 0 UID: 0 PID: 8706 Comm: syz.4.661 Not tainted syzkaller #0 PREEMPT(full) 
[  475.096319][ T8706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  475.096335][ T8706] Call Trace:
[  475.096346][ T8706]  <TASK>
[  475.096356][ T8706]  dump_stack_lvl+0x189/0x250
[  475.096394][ T8706]  ? __pfx_dump_stack_lvl+0x10/0x10
[  475.096425][ T8706]  ? __pfx__printk+0x10/0x10
[  475.096468][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.096498][ T8706]  ? kernfs_path_from_node+0x250/0x290
[  475.096534][ T8706]  ? kernfs_path_from_node+0x2f/0x290
[  475.096576][ T8706]  sysfs_create_dir_ns+0x259/0x280
[  475.096615][ T8706]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  475.096654][ T8706]  ? do_raw_spin_unlock+0x122/0x240
[  475.096697][ T8706]  kobject_add_internal+0x6a8/0xca0
[  475.096748][ T8706]  kobject_init_and_add+0x125/0x190
[  475.096794][ T8706]  ? __pfx_kobject_init_and_add+0x10/0x10
[  475.096835][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.096864][ T8706]  ? __raw_spin_lock_init+0x45/0x100
[  475.096902][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.096931][ T8706]  ? __init_swait_queue_head+0xa9/0x150
[  475.096972][ T8706]  gfs2_sys_fs_add+0x234/0x450
[  475.097011][ T8706]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  475.097058][ T8706]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  475.097110][ T8706]  gfs2_fill_super+0x1388/0x21b0
[  475.097156][ T8706]  ? __pfx_gfs2_fill_super+0x10/0x10
[  475.097180][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.097215][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.097244][ T8706]  ? sb_set_blocksize+0x155/0x240
[  475.097281][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.097310][ T8706]  ? setup_bdev_super+0x4c1/0x5b0
[  475.097351][ T8706]  get_tree_bdev_flags+0x40e/0x4d0
[  475.097388][ T8706]  ? __pfx_gfs2_fill_super+0x10/0x10
[  475.097415][ T8706]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  475.097450][ T8706]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  475.097483][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.097521][ T8706]  gfs2_get_tree+0x51/0x1e0
[  475.097551][ T8706]  vfs_get_tree+0x92/0x2a0
[  475.097591][ T8706]  do_new_mount+0x302/0xa10
[  475.097614][ T8706]  ? apparmor_capable+0x137/0x1a0
[  475.097657][ T8706]  ? __pfx_do_new_mount+0x10/0x10
[  475.097681][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.097710][ T8706]  ? ns_capable+0x8a/0xf0
[  475.097738][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.097768][ T8706]  ? kmem_cache_free+0x197/0x620
[  475.097822][ T8706]  __se_sys_mount+0x313/0x410
[  475.097855][ T8706]  ? __pfx___se_sys_mount+0x10/0x10
[  475.097886][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.097914][ T8706]  ? __x64_sys_mount+0x20/0xc0
[  475.097943][ T8706]  do_syscall_64+0xfa/0xf80
[  475.097980][ T8706]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  475.098004][ T8706]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.098032][ T8706]  ? exc_page_fault+0xab/0x100
[  475.098070][ T8706]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  475.098094][ T8706] RIP: 0033:0x7f892a790eea
[  475.098116][ T8706] 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
[  475.098137][ T8706] RSP: 002b:00007f892b605e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  475.098163][ T8706] RAX: ffffffffffffffda RBX: 00007f892b605ef0 RCX: 00007f892a790eea
[  475.098183][ T8706] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f892b605eb0
[  475.098201][ T8706] RBP: 00002000000124c0 R08: 00007f892b605ef0 R09: 0000000000000000
[  475.098219][ T8706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  475.098235][ T8706] R13: 00007f892b605eb0 R14: 00000000000125c7 R15: 0000200000000180
[  475.098282][ T8706]  </TASK>
[  475.098340][ T8706] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  475.149748][ T8707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  475.155005][ T8706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  475.497476][ T8707] CPU: 1 UID: 0 PID: 8707 Comm: syz.1.662 Not tainted syzkaller #0 PREEMPT(full) 
[  475.497515][ T8707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  475.497535][ T8707] Call Trace:
[  475.497545][ T8707]  <TASK>
[  475.497556][ T8707]  dump_stack_lvl+0x189/0x250
[  475.497592][ T8707]  ? __pfx_dump_stack_lvl+0x10/0x10
[  475.497623][ T8707]  ? __pfx__printk+0x10/0x10
[  475.497666][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.497695][ T8707]  ? kernfs_path_from_node+0x250/0x290
[  475.497731][ T8707]  ? kernfs_path_from_node+0x2f/0x290
[  475.497775][ T8707]  sysfs_create_dir_ns+0x259/0x280
[  475.497817][ T8707]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  475.497855][ T8707]  ? do_raw_spin_unlock+0x122/0x240
[  475.497898][ T8707]  kobject_add_internal+0x6a8/0xca0
[  475.497957][ T8707]  kobject_init_and_add+0x125/0x190
[  475.497999][ T8707]  ? __pfx_kobject_init_and_add+0x10/0x10
[  475.498042][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.498071][ T8707]  ? __raw_spin_lock_init+0x45/0x100
[  475.498109][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.498138][ T8707]  ? __init_swait_queue_head+0xa9/0x150
[  475.498178][ T8707]  gfs2_sys_fs_add+0x234/0x450
[  475.498216][ T8707]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  475.498261][ T8707]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  475.498311][ T8707]  gfs2_fill_super+0x1388/0x21b0
[  475.498354][ T8707]  ? __pfx_gfs2_fill_super+0x10/0x10
[  475.498377][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.498411][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.498438][ T8707]  ? sb_set_blocksize+0x155/0x240
[  475.498469][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.498498][ T8707]  ? setup_bdev_super+0x4c1/0x5b0
[  475.498544][ T8707]  get_tree_bdev_flags+0x40e/0x4d0
[  475.498581][ T8707]  ? __pfx_gfs2_fill_super+0x10/0x10
[  475.498608][ T8707]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  475.498643][ T8707]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  475.498676][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.498714][ T8707]  gfs2_get_tree+0x51/0x1e0
[  475.498744][ T8707]  vfs_get_tree+0x92/0x2a0
[  475.498783][ T8707]  do_new_mount+0x302/0xa10
[  475.498806][ T8707]  ? apparmor_capable+0x137/0x1a0
[  475.498849][ T8707]  ? __pfx_do_new_mount+0x10/0x10
[  475.498873][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.498902][ T8707]  ? ns_capable+0x8a/0xf0
[  475.498929][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.498960][ T8707]  ? kmem_cache_free+0x197/0x620
[  475.499011][ T8707]  __se_sys_mount+0x313/0x410
[  475.499044][ T8707]  ? __pfx___se_sys_mount+0x10/0x10
[  475.499075][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.499107][ T8707]  ? __x64_sys_mount+0x20/0xc0
[  475.499135][ T8707]  do_syscall_64+0xfa/0xf80
[  475.499170][ T8707]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  475.499191][ T8707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  475.499219][ T8707]  ? exc_page_fault+0xab/0x100
[  475.499257][ T8707]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  475.499287][ T8707] RIP: 0033:0x7fd18dd90eea
[  475.499309][ T8707] 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
[  475.499331][ T8707] RSP: 002b:00007fd18ec15e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  475.499357][ T8707] RAX: ffffffffffffffda RBX: 00007fd18ec15ef0 RCX: 00007fd18dd90eea
[  475.499375][ T8707] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd18ec15eb0
[  475.499394][ T8707] RBP: 00002000000124c0 R08: 00007fd18ec15ef0 R09: 0000000000000000
[  475.499412][ T8707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  475.499428][ T8707] R13: 00007fd18ec15eb0 R14: 00000000000125c7 R15: 0000200000000180
[  475.499467][ T8707]  </TASK>
[  475.499496][ T8707] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  475.877232][ T8707] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  475.977192][ T8713] loop0: detected capacity change from 0 to 32768
[  476.035718][ T8713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  476.043175][ T8713] CPU: 0 UID: 0 PID: 8713 Comm: syz.0.660 Not tainted syzkaller #0 PREEMPT(full) 
[  476.043205][ T8713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  476.043222][ T8713] Call Trace:
[  476.043232][ T8713]  <TASK>
[  476.043243][ T8713]  dump_stack_lvl+0x189/0x250
[  476.043289][ T8713]  ? __pfx_dump_stack_lvl+0x10/0x10
[  476.043320][ T8713]  ? __pfx__printk+0x10/0x10
[  476.043365][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.043395][ T8713]  ? kernfs_path_from_node+0x250/0x290
[  476.043433][ T8713]  ? kernfs_path_from_node+0x2f/0x290
[  476.043475][ T8713]  sysfs_create_dir_ns+0x259/0x280
[  476.043516][ T8713]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  476.043562][ T8713]  ? do_raw_spin_unlock+0x122/0x240
[  476.043603][ T8713]  kobject_add_internal+0x6a8/0xca0
[  476.043654][ T8713]  kobject_init_and_add+0x125/0x190
[  476.043700][ T8713]  ? __pfx_kobject_init_and_add+0x10/0x10
[  476.043741][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.043771][ T8713]  ? __raw_spin_lock_init+0x45/0x100
[  476.043809][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.043838][ T8713]  ? __init_swait_queue_head+0xa9/0x150
[  476.043878][ T8713]  gfs2_sys_fs_add+0x234/0x450
[  476.043917][ T8713]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  476.043962][ T8713]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  476.044014][ T8713]  gfs2_fill_super+0x1388/0x21b0
[  476.044060][ T8713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  476.044085][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.044120][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.044148][ T8713]  ? sb_set_blocksize+0x155/0x240
[  476.044181][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.044210][ T8713]  ? setup_bdev_super+0x4c1/0x5b0
[  476.044252][ T8713]  get_tree_bdev_flags+0x40e/0x4d0
[  476.044298][ T8713]  ? __pfx_gfs2_fill_super+0x10/0x10
[  476.044330][ T8713]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  476.044365][ T8713]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  476.044399][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.044436][ T8713]  gfs2_get_tree+0x51/0x1e0
[  476.044466][ T8713]  vfs_get_tree+0x92/0x2a0
[  476.044506][ T8713]  do_new_mount+0x302/0xa10
[  476.044528][ T8713]  ? apparmor_capable+0x137/0x1a0
[  476.044570][ T8713]  ? __pfx_do_new_mount+0x10/0x10
[  476.044594][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.044622][ T8713]  ? ns_capable+0x8a/0xf0
[  476.044649][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.044679][ T8713]  ? kmem_cache_free+0x197/0x620
[  476.044730][ T8713]  __se_sys_mount+0x313/0x410
[  476.044762][ T8713]  ? __pfx___se_sys_mount+0x10/0x10
[  476.044793][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.044821][ T8713]  ? __x64_sys_mount+0x20/0xc0
[  476.044849][ T8713]  do_syscall_64+0xfa/0xf80
[  476.044887][ T8713]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  476.044910][ T8713]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.044939][ T8713]  ? exc_page_fault+0xab/0x100
[  476.044976][ T8713]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  476.045001][ T8713] RIP: 0033:0x7fb227790eea
[  476.045023][ T8713] 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
[  476.045044][ T8713] RSP: 002b:00007fb2285a9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  476.045070][ T8713] RAX: ffffffffffffffda RBX: 00007fb2285a9ef0 RCX: 00007fb227790eea
[  476.045090][ T8713] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb2285a9eb0
[  476.045109][ T8713] RBP: 00002000000124c0 R08: 00007fb2285a9ef0 R09: 0000000000000000
[  476.045127][ T8713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  476.045144][ T8713] R13: 00007fb2285a9eb0 R14: 00000000000125c7 R15: 0000200000000180
[  476.045182][ T8713]  </TASK>
[  476.402955][ T8713] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  476.418019][ T8713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  476.852844][ T8717] loop5: detected capacity change from 0 to 32768
[  476.953399][ T8717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  476.960897][ T8717] CPU: 0 UID: 0 PID: 8717 Comm: syz.5.663 Not tainted syzkaller #0 PREEMPT(full) 
[  476.960927][ T8717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  476.960943][ T8717] Call Trace:
[  476.960954][ T8717]  <TASK>
[  476.960964][ T8717]  dump_stack_lvl+0x189/0x250
[  476.961003][ T8717]  ? __pfx_dump_stack_lvl+0x10/0x10
[  476.961034][ T8717]  ? __pfx__printk+0x10/0x10
[  476.961078][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.961107][ T8717]  ? kernfs_path_from_node+0x250/0x290
[  476.961144][ T8717]  ? kernfs_path_from_node+0x2f/0x290
[  476.961187][ T8717]  sysfs_create_dir_ns+0x259/0x280
[  476.961227][ T8717]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  476.961265][ T8717]  ? do_raw_spin_unlock+0x122/0x240
[  476.961316][ T8717]  kobject_add_internal+0x6a8/0xca0
[  476.961367][ T8717]  kobject_init_and_add+0x125/0x190
[  476.961413][ T8717]  ? __pfx_kobject_init_and_add+0x10/0x10
[  476.961453][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.961482][ T8717]  ? __raw_spin_lock_init+0x45/0x100
[  476.961520][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.961549][ T8717]  ? __init_swait_queue_head+0xa9/0x150
[  476.961590][ T8717]  gfs2_sys_fs_add+0x234/0x450
[  476.961629][ T8717]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  476.961675][ T8717]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  476.961727][ T8717]  gfs2_fill_super+0x1388/0x21b0
[  476.961773][ T8717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  476.961798][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.961833][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.961862][ T8717]  ? sb_set_blocksize+0x155/0x240
[  476.961895][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.961923][ T8717]  ? setup_bdev_super+0x4c1/0x5b0
[  476.961964][ T8717]  get_tree_bdev_flags+0x40e/0x4d0
[  476.962001][ T8717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  476.962029][ T8717]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  476.962063][ T8717]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  476.962097][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.962135][ T8717]  gfs2_get_tree+0x51/0x1e0
[  476.962165][ T8717]  vfs_get_tree+0x92/0x2a0
[  476.962203][ T8717]  do_new_mount+0x302/0xa10
[  476.962226][ T8717]  ? apparmor_capable+0x137/0x1a0
[  476.962285][ T8717]  ? __pfx_do_new_mount+0x10/0x10
[  476.962313][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.962341][ T8717]  ? ns_capable+0x8a/0xf0
[  476.962369][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.962399][ T8717]  ? kmem_cache_free+0x197/0x620
[  476.962450][ T8717]  __se_sys_mount+0x313/0x410
[  476.962482][ T8717]  ? __pfx___se_sys_mount+0x10/0x10
[  476.962514][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.962542][ T8717]  ? __x64_sys_mount+0x20/0xc0
[  476.962570][ T8717]  do_syscall_64+0xfa/0xf80
[  476.962608][ T8717]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  476.962633][ T8717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  476.962661][ T8717]  ? exc_page_fault+0xab/0x100
[  476.962698][ T8717]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  476.962723][ T8717] RIP: 0033:0x7fb6ecb90eea
[  476.962744][ T8717] 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
[  476.962765][ T8717] RSP: 002b:00007fb6edad4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  476.962792][ T8717] RAX: ffffffffffffffda RBX: 00007fb6edad4ef0 RCX: 00007fb6ecb90eea
[  476.962811][ T8717] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb6edad4eb0
[  476.962830][ T8717] RBP: 00002000000124c0 R08: 00007fb6edad4ef0 R09: 0000000000000000
[  476.962848][ T8717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  476.962865][ T8717] R13: 00007fb6edad4eb0 R14: 00000000000125c7 R15: 0000200000000180
[  476.962904][ T8717]  </TASK>
[  476.962932][ T8717] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  477.329152][ T8721] loop4: detected capacity change from 0 to 32768
[  477.341540][ T8717] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  477.427430][ T8721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  477.438965][ T8721] CPU: 1 UID: 0 PID: 8721 Comm: syz.4.664 Not tainted syzkaller #0 PREEMPT(full) 
[  477.438999][ T8721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  477.439016][ T8721] Call Trace:
[  477.439026][ T8721]  <TASK>
[  477.439037][ T8721]  dump_stack_lvl+0x189/0x250
[  477.439077][ T8721]  ? __pfx_dump_stack_lvl+0x10/0x10
[  477.439108][ T8721]  ? __pfx__printk+0x10/0x10
[  477.439153][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.439183][ T8721]  ? kernfs_path_from_node+0x250/0x290
[  477.439220][ T8721]  ? kernfs_path_from_node+0x2f/0x290
[  477.439263][ T8721]  sysfs_create_dir_ns+0x259/0x280
[  477.439302][ T8721]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  477.439342][ T8721]  ? do_raw_spin_unlock+0x122/0x240
[  477.439386][ T8721]  kobject_add_internal+0x6a8/0xca0
[  477.439437][ T8721]  kobject_init_and_add+0x125/0x190
[  477.439484][ T8721]  ? __pfx_kobject_init_and_add+0x10/0x10
[  477.439530][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.439560][ T8721]  ? __raw_spin_lock_init+0x45/0x100
[  477.439598][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.439627][ T8721]  ? __init_swait_queue_head+0xa9/0x150
[  477.439668][ T8721]  gfs2_sys_fs_add+0x234/0x450
[  477.439707][ T8721]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  477.439753][ T8721]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  477.439806][ T8721]  gfs2_fill_super+0x1388/0x21b0
[  477.439852][ T8721]  ? __pfx_gfs2_fill_super+0x10/0x10
[  477.439877][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.439912][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.439941][ T8721]  ? sb_set_blocksize+0x155/0x240
[  477.439974][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.440003][ T8721]  ? setup_bdev_super+0x4c1/0x5b0
[  477.440044][ T8721]  get_tree_bdev_flags+0x40e/0x4d0
[  477.440082][ T8721]  ? __pfx_gfs2_fill_super+0x10/0x10
[  477.440110][ T8721]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  477.440145][ T8721]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  477.440179][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.440216][ T8721]  gfs2_get_tree+0x51/0x1e0
[  477.440247][ T8721]  vfs_get_tree+0x92/0x2a0
[  477.440286][ T8721]  do_new_mount+0x302/0xa10
[  477.440309][ T8721]  ? apparmor_capable+0x137/0x1a0
[  477.440352][ T8721]  ? __pfx_do_new_mount+0x10/0x10
[  477.440377][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.440405][ T8721]  ? ns_capable+0x8a/0xf0
[  477.440432][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.440463][ T8721]  ? kmem_cache_free+0x197/0x620
[  477.440517][ T8721]  __se_sys_mount+0x313/0x410
[  477.440551][ T8721]  ? __pfx___se_sys_mount+0x10/0x10
[  477.440582][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.440610][ T8721]  ? __x64_sys_mount+0x20/0xc0
[  477.440639][ T8721]  do_syscall_64+0xfa/0xf80
[  477.440676][ T8721]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  477.440701][ T8721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  477.440730][ T8721]  ? exc_page_fault+0xab/0x100
[  477.440767][ T8721]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  477.440791][ T8721] RIP: 0033:0x7f892a790eea
[  477.440813][ T8721] 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
[  477.440835][ T8721] RSP: 002b:00007f892b605e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  477.440861][ T8721] RAX: ffffffffffffffda RBX: 00007f892b605ef0 RCX: 00007f892a790eea
[  477.440881][ T8721] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f892b605eb0
[  477.440900][ T8721] RBP: 00002000000124c0 R08: 00007f892b605ef0 R09: 0000000000000000
[  477.440918][ T8721] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  477.440936][ T8721] R13: 00007f892b605eb0 R14: 00000000000125c7 R15: 0000200000000180
[  477.440975][ T8721]  </TASK>
[  477.441005][ T8721] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  477.819428][ T8721] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  478.010737][ T5963] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564
[  478.116860][ T8725] loop1: detected capacity change from 0 to 32768
[  478.143067][ T5963] CPU: 0 UID: 0 PID: 5963 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  478.143099][ T5963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  478.143115][ T5963] Call Trace:
[  478.143126][ T5963]  <TASK>
[  478.143137][ T5963]  dump_stack_lvl+0x189/0x250
[  478.143176][ T5963]  ? __pfx_dump_stack_lvl+0x10/0x10
[  478.143207][ T5963]  ? __pfx__printk+0x10/0x10
[  478.143246][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.143281][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.143310][ T5963]  ? do_raw_spin_unlock+0x122/0x240
[  478.143354][ T5963]  gfs2_assert_warn_i+0x194/0x2c0
[  478.143391][ T5963]  gfs2_make_fs_ro+0x2f5/0x300
[  478.143428][ T5963]  ? __pfx_gfs2_make_fs_ro+0x10/0x10
[  478.143458][ T5963]  ? do_raw_spin_lock+0x121/0x290
[  478.143495][ T5963]  ? __pfx_autoremove_wake_function+0x10/0x10
[  478.143542][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.143576][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.143605][ T5963]  ? do_raw_spin_unlock+0x122/0x240
[  478.143647][ T5963]  gfs2_put_super+0x220/0x860
[  478.143688][ T5963]  ? __pfx_gfs2_put_super+0x10/0x10
[  478.143721][ T5963]  generic_shutdown_super+0x135/0x2c0
[  478.143758][ T5963]  kill_block_super+0x44/0x90
[  478.143796][ T5963]  deactivate_locked_super+0xbc/0x130
[  478.143831][ T5963]  cleanup_mnt+0x425/0x4c0
[  478.143862][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.143891][ T5963]  ? lockdep_hardirqs_on+0x98/0x140
[  478.143932][ T5963]  task_work_run+0x1d4/0x260
[  478.143974][ T5963]  ? __pfx_task_work_run+0x10/0x10
[  478.144017][ T5963]  ? exit_to_user_mode_loop+0x55/0x4f0
[  478.144049][ T5963]  exit_to_user_mode_loop+0xff/0x4f0
[  478.144075][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.144104][ T5963]  ? rcu_is_watching+0x15/0xb0
[  478.144143][ T5963]  do_syscall_64+0x2e3/0xf80
[  478.144182][ T5963]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.144205][ T5963]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.144234][ T5963]  ? exc_page_fault+0xab/0x100
[  478.144271][ T5963]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.144297][ T5963] RIP: 0033:0x7fe252990a77
[  478.144322][ T5963] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  478.144346][ T5963] RSP: 002b:00007ffdb41e8ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  478.144373][ T5963] RAX: 0000000000000000 RBX: 00007fe252a13d7d RCX: 00007fe252990a77
[  478.144391][ T5963] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb41e8f80
[  478.144411][ T5963] RBP: 00007ffdb41e8f80 R08: 0000000000000000 R09: 0000000000000000
[  478.144427][ T5963] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdb41ea010
[  478.144445][ T5963] R13: 00007fe252a13d7d R14: 0000000000072f4e R15: 00007ffdb41ea050
[  478.144484][ T5963]  </TASK>
[  478.444492][ T8727] loop0: detected capacity change from 0 to 32768
[  478.518751][ T8725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  478.526681][ T8725] CPU: 0 UID: 0 PID: 8725 Comm: syz.1.665 Not tainted syzkaller #0 PREEMPT(full) 
[  478.526710][ T8725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  478.526727][ T8725] Call Trace:
[  478.526737][ T8725]  <TASK>
[  478.526749][ T8725]  dump_stack_lvl+0x189/0x250
[  478.526789][ T8725]  ? __pfx_dump_stack_lvl+0x10/0x10
[  478.526821][ T8725]  ? __pfx__printk+0x10/0x10
[  478.526865][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.526894][ T8725]  ? kernfs_path_from_node+0x250/0x290
[  478.526927][ T8725]  ? kernfs_path_from_node+0x2f/0x290
[  478.526965][ T8725]  sysfs_create_dir_ns+0x259/0x280
[  478.527002][ T8725]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  478.527037][ T8725]  ? do_raw_spin_unlock+0x122/0x240
[  478.527081][ T8725]  kobject_add_internal+0x6a8/0xca0
[  478.527132][ T8725]  kobject_init_and_add+0x125/0x190
[  478.527178][ T8725]  ? __pfx_kobject_init_and_add+0x10/0x10
[  478.527220][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.527249][ T8725]  ? __raw_spin_lock_init+0x45/0x100
[  478.527287][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.527316][ T8725]  ? __init_swait_queue_head+0xa9/0x150
[  478.527358][ T8725]  gfs2_sys_fs_add+0x234/0x450
[  478.527397][ T8725]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  478.527443][ T8725]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  478.527496][ T8725]  gfs2_fill_super+0x1388/0x21b0
[  478.527552][ T8725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  478.527577][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.527609][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.527638][ T8725]  ? sb_set_blocksize+0x155/0x240
[  478.527671][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.527701][ T8725]  ? setup_bdev_super+0x4c1/0x5b0
[  478.527742][ T8725]  get_tree_bdev_flags+0x40e/0x4d0
[  478.527780][ T8725]  ? __pfx_gfs2_fill_super+0x10/0x10
[  478.527808][ T8725]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  478.527843][ T8725]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  478.527877][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.527915][ T8725]  gfs2_get_tree+0x51/0x1e0
[  478.527944][ T8725]  vfs_get_tree+0x92/0x2a0
[  478.527982][ T8725]  do_new_mount+0x302/0xa10
[  478.528004][ T8725]  ? apparmor_capable+0x137/0x1a0
[  478.528046][ T8725]  ? __pfx_do_new_mount+0x10/0x10
[  478.528069][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.528097][ T8725]  ? ns_capable+0x8a/0xf0
[  478.528123][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.528153][ T8725]  ? kmem_cache_free+0x197/0x620
[  478.528202][ T8725]  __se_sys_mount+0x313/0x410
[  478.528236][ T8725]  ? __pfx___se_sys_mount+0x10/0x10
[  478.528265][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.528293][ T8725]  ? __x64_sys_mount+0x20/0xc0
[  478.528321][ T8725]  do_syscall_64+0xfa/0xf80
[  478.528358][ T8725]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.528382][ T8725]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.528410][ T8725]  ? exc_page_fault+0xab/0x100
[  478.528446][ T8725]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.528472][ T8725] RIP: 0033:0x7fd18dd90eea
[  478.528494][ T8725] 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
[  478.528519][ T8725] RSP: 002b:00007fd18ec15e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  478.528545][ T8725] RAX: ffffffffffffffda RBX: 00007fd18ec15ef0 RCX: 00007fd18dd90eea
[  478.528564][ T8725] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd18ec15eb0
[  478.528582][ T8725] RBP: 00002000000124c0 R08: 00007fd18ec15ef0 R09: 0000000000000000
[  478.528599][ T8725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  478.528615][ T8725] R13: 00007fd18ec15eb0 R14: 00000000000125c7 R15: 0000200000000180
[  478.528656][ T8725]  </TASK>
[  478.528694][ T8725] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  478.664667][ T8727] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  478.669320][ T8725] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  478.674321][ T8727] CPU: 1 UID: 0 PID: 8727 Comm: syz.0.666 Not tainted syzkaller #0 PREEMPT(full) 
[  478.674349][ T8727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  478.674365][ T8727] Call Trace:
[  478.674374][ T8727]  <TASK>
[  478.674384][ T8727]  dump_stack_lvl+0x189/0x250
[  478.674420][ T8727]  ? __pfx_dump_stack_lvl+0x10/0x10
[  478.674451][ T8727]  ? __pfx__printk+0x10/0x10
[  478.674494][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.674523][ T8727]  ? kernfs_path_from_node+0x250/0x290
[  478.674560][ T8727]  ? kernfs_path_from_node+0x2f/0x290
[  478.674602][ T8727]  sysfs_create_dir_ns+0x259/0x280
[  478.674642][ T8727]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  478.674680][ T8727]  ? do_raw_spin_unlock+0x122/0x240
[  478.674723][ T8727]  kobject_add_internal+0x6a8/0xca0
[  478.674774][ T8727]  kobject_init_and_add+0x125/0x190
[  478.674820][ T8727]  ? __pfx_kobject_init_and_add+0x10/0x10
[  478.674860][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.674889][ T8727]  ? __raw_spin_lock_init+0x45/0x100
[  478.674927][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.674955][ T8727]  ? __init_swait_queue_head+0xa9/0x150
[  478.674995][ T8727]  gfs2_sys_fs_add+0x234/0x450
[  478.675034][ T8727]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  478.675078][ T8727]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  478.675129][ T8727]  gfs2_fill_super+0x1388/0x21b0
[  478.675172][ T8727]  ? __pfx_gfs2_fill_super+0x10/0x10
[  478.675197][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.675232][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.675268][ T8727]  ? sb_set_blocksize+0x155/0x240
[  478.675300][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.675329][ T8727]  ? setup_bdev_super+0x4c1/0x5b0
[  478.675370][ T8727]  get_tree_bdev_flags+0x40e/0x4d0
[  478.675406][ T8727]  ? __pfx_gfs2_fill_super+0x10/0x10
[  478.675433][ T8727]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  478.675468][ T8727]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  478.675501][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.675538][ T8727]  gfs2_get_tree+0x51/0x1e0
[  478.675568][ T8727]  vfs_get_tree+0x92/0x2a0
[  478.675606][ T8727]  do_new_mount+0x302/0xa10
[  478.675629][ T8727]  ? apparmor_capable+0x137/0x1a0
[  478.675671][ T8727]  ? __pfx_do_new_mount+0x10/0x10
[  478.675694][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.675722][ T8727]  ? ns_capable+0x8a/0xf0
[  478.675749][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.675779][ T8727]  ? kmem_cache_free+0x197/0x620
[  478.675828][ T8727]  __se_sys_mount+0x313/0x410
[  478.675861][ T8727]  ? __pfx___se_sys_mount+0x10/0x10
[  478.675892][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.675919][ T8727]  ? __x64_sys_mount+0x20/0xc0
[  478.675947][ T8727]  do_syscall_64+0xfa/0xf80
[  478.675985][ T8727]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.676008][ T8727]  ? srso_alias_return_thunk+0x5/0xfbef5
[  478.676037][ T8727]  ? exc_page_fault+0xab/0x100
[  478.676073][ T8727]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  478.676097][ T8727] RIP: 0033:0x7fb227790eea
[  478.676119][ T8727] 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
[  478.676139][ T8727] RSP: 002b:00007fb2285a9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  478.676165][ T8727] RAX: ffffffffffffffda RBX: 00007fb2285a9ef0 RCX: 00007fb227790eea
[  478.676184][ T8727] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fb2285a9eb0
[  478.676202][ T8727] RBP: 00002000000124c0 R08: 00007fb2285a9ef0 R09: 0000000000000000
[  478.676219][ T8727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  478.676236][ T8727] R13: 00007fb2285a9eb0 R14: 00000000000125c7 R15: 0000200000000180
[  478.676280][ T8727]  </TASK>
[  478.676499][ T8727] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  479.200503][ T8733] loop5: detected capacity change from 0 to 32768
[  479.202417][ T8727] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  479.339874][ T8733] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  479.348141][ T8733] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  479.361875][ T8733] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  479.371806][ T6703] gfs2: fsid=syz:syz.0: jid=0, already locked for use
2025/12/05 08:36:13 executed programs: 662
[  479.440730][ T6703] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  479.879285][ T8737] loop3: detected capacity change from 0 to 32768
[  479.920500][ T8739] loop4: detected capacity change from 0 to 32768
[  479.976777][ T8737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  479.984288][ T8737] CPU: 0 UID: 0 PID: 8737 Comm: syz.3.656 Not tainted syzkaller #0 PREEMPT(full) 
[  479.984321][ T8737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  479.984338][ T8737] Call Trace:
[  479.984348][ T8737]  <TASK>
[  479.984358][ T8737]  dump_stack_lvl+0x189/0x250
[  479.984399][ T8737]  ? __pfx_dump_stack_lvl+0x10/0x10
[  479.984430][ T8737]  ? __pfx__printk+0x10/0x10
[  479.984474][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.984504][ T8737]  ? kernfs_path_from_node+0x250/0x290
[  479.984546][ T8737]  ? kernfs_path_from_node+0x2f/0x290
[  479.984588][ T8737]  sysfs_create_dir_ns+0x259/0x280
[  479.984628][ T8737]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  479.984667][ T8737]  ? do_raw_spin_unlock+0x122/0x240
[  479.984710][ T8737]  kobject_add_internal+0x6a8/0xca0
[  479.984762][ T8737]  kobject_init_and_add+0x125/0x190
[  479.984809][ T8737]  ? __pfx_kobject_init_and_add+0x10/0x10
[  479.984849][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.984878][ T8737]  ? __raw_spin_lock_init+0x45/0x100
[  479.984918][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.984948][ T8737]  ? __init_swait_queue_head+0xa9/0x150
[  479.984989][ T8737]  gfs2_sys_fs_add+0x234/0x450
[  479.985028][ T8737]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  479.985075][ T8737]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  479.985128][ T8737]  gfs2_fill_super+0x1388/0x21b0
[  479.985175][ T8737]  ? __pfx_gfs2_fill_super+0x10/0x10
[  479.985200][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.985235][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.985264][ T8737]  ? sb_set_blocksize+0x155/0x240
[  479.985296][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.985325][ T8737]  ? setup_bdev_super+0x4c1/0x5b0
[  479.985366][ T8737]  get_tree_bdev_flags+0x40e/0x4d0
[  479.985404][ T8737]  ? __pfx_gfs2_fill_super+0x10/0x10
[  479.985431][ T8737]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  479.985466][ T8737]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  479.985499][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.985541][ T8737]  gfs2_get_tree+0x51/0x1e0
[  479.985572][ T8737]  vfs_get_tree+0x92/0x2a0
[  479.985611][ T8737]  do_new_mount+0x302/0xa10
[  479.985635][ T8737]  ? apparmor_capable+0x137/0x1a0
[  479.985678][ T8737]  ? __pfx_do_new_mount+0x10/0x10
[  479.985703][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.985732][ T8737]  ? ns_capable+0x8a/0xf0
[  479.985760][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.985791][ T8737]  ? kmem_cache_free+0x197/0x620
[  479.985842][ T8737]  __se_sys_mount+0x313/0x410
[  479.985876][ T8737]  ? __pfx___se_sys_mount+0x10/0x10
[  479.985908][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.985937][ T8737]  ? __x64_sys_mount+0x20/0xc0
[  479.985965][ T8737]  do_syscall_64+0xfa/0xf80
[  479.986002][ T8737]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  479.986026][ T8737]  ? srso_alias_return_thunk+0x5/0xfbef5
[  479.986055][ T8737]  ? exc_page_fault+0xab/0x100
[  479.986092][ T8737]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  479.986117][ T8737] RIP: 0033:0x7fe252990eea
[  479.986140][ T8737] 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
[  479.986161][ T8737] RSP: 002b:00007fe2538d1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  479.986188][ T8737] RAX: ffffffffffffffda RBX: 00007fe2538d1ef0 RCX: 00007fe252990eea
[  479.986207][ T8737] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fe2538d1eb0
[  479.986226][ T8737] RBP: 00002000000124c0 R08: 00007fe2538d1ef0 R09: 0000000000000000
[  479.986243][ T8737] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  479.986261][ T8737] R13: 00007fe2538d1eb0 R14: 00000000000125c7 R15: 0000200000000180
[  479.986299][ T8737]  </TASK>
[  480.344364][ T8737] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  480.358359][ T8737] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  480.365460][ T8739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  480.372878][ T8739] CPU: 1 UID: 0 PID: 8739 Comm: syz.4.668 Not tainted syzkaller #0 PREEMPT(full) 
[  480.372909][ T8739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  480.372925][ T8739] Call Trace:
[  480.372935][ T8739]  <TASK>
[  480.372946][ T8739]  dump_stack_lvl+0x189/0x250
[  480.372985][ T8739]  ? __pfx_dump_stack_lvl+0x10/0x10
[  480.373016][ T8739]  ? __pfx__printk+0x10/0x10
[  480.373060][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.373089][ T8739]  ? kernfs_path_from_node+0x250/0x290
[  480.373127][ T8739]  ? kernfs_path_from_node+0x2f/0x290
[  480.373169][ T8739]  sysfs_create_dir_ns+0x259/0x280
[  480.373207][ T8739]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  480.373246][ T8739]  ? do_raw_spin_unlock+0x122/0x240
[  480.373288][ T8739]  kobject_add_internal+0x6a8/0xca0
[  480.373336][ T8739]  kobject_init_and_add+0x125/0x190
[  480.373382][ T8739]  ? __pfx_kobject_init_and_add+0x10/0x10
[  480.373422][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.373452][ T8739]  ? __raw_spin_lock_init+0x45/0x100
[  480.373488][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.373517][ T8739]  ? __init_swait_queue_head+0xa9/0x150
[  480.373562][ T8739]  gfs2_sys_fs_add+0x234/0x450
[  480.373600][ T8739]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  480.373644][ T8739]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  480.373695][ T8739]  gfs2_fill_super+0x1388/0x21b0
[  480.373740][ T8739]  ? __pfx_gfs2_fill_super+0x10/0x10
[  480.373764][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.373799][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.373827][ T8739]  ? sb_set_blocksize+0x155/0x240
[  480.373859][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.373889][ T8739]  ? setup_bdev_super+0x4c1/0x5b0
[  480.373930][ T8739]  get_tree_bdev_flags+0x40e/0x4d0
[  480.373967][ T8739]  ? __pfx_gfs2_fill_super+0x10/0x10
[  480.373995][ T8739]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  480.374030][ T8739]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  480.374064][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.374102][ T8739]  gfs2_get_tree+0x51/0x1e0
[  480.374133][ T8739]  vfs_get_tree+0x92/0x2a0
[  480.374173][ T8739]  do_new_mount+0x302/0xa10
[  480.374196][ T8739]  ? apparmor_capable+0x137/0x1a0
[  480.374239][ T8739]  ? __pfx_do_new_mount+0x10/0x10
[  480.374264][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.374293][ T8739]  ? ns_capable+0x8a/0xf0
[  480.374325][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.374357][ T8739]  ? kmem_cache_free+0x197/0x620
[  480.374408][ T8739]  __se_sys_mount+0x313/0x410
[  480.374441][ T8739]  ? __pfx___se_sys_mount+0x10/0x10
[  480.374472][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.374501][ T8739]  ? __x64_sys_mount+0x20/0xc0
[  480.374529][ T8739]  do_syscall_64+0xfa/0xf80
[  480.374572][ T8739]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  480.374597][ T8739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  480.374624][ T8739]  ? exc_page_fault+0xab/0x100
[  480.374661][ T8739]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  480.374685][ T8739] RIP: 0033:0x7f892a790eea
[  480.374707][ T8739] 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
[  480.374728][ T8739] RSP: 002b:00007f892b605e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  480.374754][ T8739] RAX: ffffffffffffffda RBX: 00007f892b605ef0 RCX: 00007f892a790eea
[  480.374773][ T8739] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f892b605eb0
[  480.374791][ T8739] RBP: 00002000000124c0 R08: 00007f892b605ef0 R09: 0000000000000000
[  480.374808][ T8739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  480.374825][ T8739] R13: 00007f892b605eb0 R14: 00000000000125c7 R15: 0000200000000180
[  480.374864][ T8739]  </TASK>
[  480.734553][ T8739] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  480.748502][ T8739] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  480.991426][ T6703] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 1550ms
[  481.037039][ T1153] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  481.077410][ T6703] gfs2: fsid=syz:syz.0: jid=0: Done
[  481.082696][ T8733] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  481.092810][   T56] gfs2: fsid=syz:syz.0: fatal: assertion "!atomic_read(&gl->gl_ail_count)" failed - function = inode_go_inval, file = fs/gfs2/glops.c, line = 362
[  481.108008][   T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/0:1H Not tainted syzkaller #0 PREEMPT(full) 
[  481.108039][   T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  481.108056][   T56] Workqueue: gfs2-glock/syz:syz glock_work_func
[  481.108089][   T56] Call Trace:
[  481.108100][   T56]  <TASK>
[  481.108110][   T56]  dump_stack_lvl+0x189/0x250
[  481.108142][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.108175][   T56]  ? __pfx_dump_stack_lvl+0x10/0x10
[  481.108210][   T56]  ? __pfx__printk+0x10/0x10
[  481.108248][   T56]  ? do_raw_spin_lock+0x121/0x290
[  481.108294][   T56]  gfs2_withdraw+0xc3/0x1b0
[  481.108323][   T56]  gfs2_assert_withdraw_i+0xae/0xc0
[  481.108354][   T56]  inode_go_inval+0x301/0x360
[  481.108380][   T56]  ? __pfx_inode_go_inval+0x10/0x10
[  481.108403][   T56]  do_xmote+0x29c/0x750
[  481.108448][   T56]  glock_work_func+0x2a8/0x580
[  481.108476][   T56]  ? process_scheduled_works+0x9ef/0x1770
[  481.108502][   T56]  ? process_scheduled_works+0x9ef/0x1770
[  481.108531][   T56]  process_scheduled_works+0xad1/0x1770
[  481.108591][   T56]  ? __pfx_process_scheduled_works+0x10/0x10
[  481.108631][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.108671][   T56]  worker_thread+0x8a0/0xda0
[  481.108729][   T56]  kthread+0x711/0x8a0
[  481.108767][   T56]  ? __pfx_worker_thread+0x10/0x10
[  481.108795][   T56]  ? __pfx_kthread+0x10/0x10
[  481.108825][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.108859][   T56]  ? _raw_spin_unlock_irq+0x23/0x50
[  481.108891][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.108920][   T56]  ? lockdep_hardirqs_on+0x98/0x140
[  481.108954][   T56]  ? __pfx_kthread+0x10/0x10
[  481.108990][   T56]  ret_from_fork+0x599/0xb30
[  481.109017][   T56]  ? __pfx_ret_from_fork+0x10/0x10
[  481.109054][   T56]  ? __switch_to_asm+0x39/0x70
[  481.109087][   T56]  ? __switch_to_asm+0x33/0x70
[  481.109118][   T56]  ? __pfx_kthread+0x10/0x10
[  481.109154][   T56]  ret_from_fork_asm+0x1a/0x30
[  481.109208][   T56]  </TASK>
[  481.109221][   T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/0:1H Not tainted syzkaller #0 PREEMPT(full) 
[  481.109248][   T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  481.109264][   T56] Workqueue: gfs2-glock/syz:syz glock_work_func
[  481.109290][   T56] Call Trace:
[  481.109299][   T56]  <TASK>
[  481.109310][   T56]  dump_stack_lvl+0x189/0x250
[  481.109340][   T56]  ? __pfx__printk+0x10/0x10
[  481.109377][   T56]  ? __pfx_dump_stack_lvl+0x10/0x10
[  481.109404][   T56]  ? do_raw_spin_lock+0x121/0x290
[  481.109449][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.109482][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.109512][   T56]  ? gfs2_assert_withdraw_i+0xae/0xc0
[  481.109543][   T56]  inode_go_inval+0x301/0x360
[  481.109568][   T56]  ? __pfx_inode_go_inval+0x10/0x10
[  481.109591][   T56]  do_xmote+0x29c/0x750
[  481.109640][   T56]  glock_work_func+0x2a8/0x580
[  481.109668][   T56]  ? process_scheduled_works+0x9ef/0x1770
[  481.109693][   T56]  ? process_scheduled_works+0x9ef/0x1770
[  481.109721][   T56]  process_scheduled_works+0xad1/0x1770
[  481.109780][   T56]  ? __pfx_process_scheduled_works+0x10/0x10
[  481.109815][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.109854][   T56]  worker_thread+0x8a0/0xda0
[  481.109911][   T56]  kthread+0x711/0x8a0
[  481.109948][   T56]  ? __pfx_worker_thread+0x10/0x10
[  481.109975][   T56]  ? __pfx_kthread+0x10/0x10
[  481.110005][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.110038][   T56]  ? _raw_spin_unlock_irq+0x23/0x50
[  481.110068][   T56]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.110097][   T56]  ? lockdep_hardirqs_on+0x98/0x140
[  481.110130][   T56]  ? __pfx_kthread+0x10/0x10
[  481.110166][   T56]  ret_from_fork+0x599/0xb30
[  481.110194][   T56]  ? __pfx_ret_from_fork+0x10/0x10
[  481.110231][   T56]  ? __switch_to_asm+0x39/0x70
[  481.110265][   T56]  ? __switch_to_asm+0x33/0x70
[  481.110297][   T56]  ? __pfx_kthread+0x10/0x10
[  481.110333][   T56]  ret_from_fork_asm+0x1a/0x30
[  481.110388][   T56]  </TASK>
[  481.516827][ T8733] gfs2: fsid=syz:syz.0: can't lock the freeze glock: -5
[  481.566833][ T8747] ==================================================================
[  481.574914][ T8747] BUG: KASAN: slab-use-after-free in gfs2_quotad+0x19c/0x930
[  481.582475][ T8747] Read of size 8 at addr ffff8880754740a8 by task gfs2_quotad/syz/8747
[  481.590708][ T8747] 
[  481.593033][ T8747] CPU: 1 UID: 0 PID: 8747 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full) 
[  481.593063][ T8747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  481.593080][ T8747] Call Trace:
[  481.593090][ T8747]  <TASK>
[  481.593101][ T8747]  dump_stack_lvl+0x189/0x250
[  481.593133][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.593163][ T8747]  ? __kasan_check_byte+0x12/0x40
[  481.593205][ T8747]  ? __pfx_dump_stack_lvl+0x10/0x10
[  481.593233][ T8747]  ? rcu_is_watching+0x15/0xb0
[  481.593266][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.593295][ T8747]  ? lock_release+0x4b/0x3b0
[  481.593324][ T8747]  ? __virt_addr_valid+0x1c8/0x5c0
[  481.593358][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.593388][ T8747]  ? __virt_addr_valid+0x4a5/0x5c0
[  481.593424][ T8747]  print_report+0xca/0x240
[  481.593450][ T8747]  ? gfs2_quotad+0x19c/0x930
[  481.593487][ T8747]  kasan_report+0x118/0x150
[  481.593511][ T8747]  ? gfs2_quotad+0x19c/0x930
[  481.593553][ T8747]  kasan_check_range+0x2b0/0x2c0
[  481.593578][ T8747]  gfs2_quotad+0x19c/0x930
[  481.593620][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.593659][ T8747]  ? __pfx_gfs2_quotad+0x10/0x10
[  481.593699][ T8747]  ? __kthread_parkme+0x7b/0x200
[  481.593728][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.593757][ T8747]  ? __kthread_parkme+0x1a1/0x200
[  481.593790][ T8747]  kthread+0x711/0x8a0
[  481.593825][ T8747]  ? __pfx_gfs2_quotad+0x10/0x10
[  481.593862][ T8747]  ? __pfx_kthread+0x10/0x10
[  481.593893][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.593925][ T8747]  ? _raw_spin_unlock_irq+0x23/0x50
[  481.593957][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  481.593986][ T8747]  ? lockdep_hardirqs_on+0x98/0x140
[  481.594021][ T8747]  ? __pfx_kthread+0x10/0x10
[  481.594055][ T8747]  ret_from_fork+0x599/0xb30
[  481.594080][ T8747]  ? __pfx_ret_from_fork+0x10/0x10
[  481.594109][ T8747]  ? __switch_to_asm+0x39/0x70
[  481.594142][ T8747]  ? __switch_to_asm+0x33/0x70
[  481.594175][ T8747]  ? __pfx_kthread+0x10/0x10
[  481.594208][ T8747]  ret_from_fork_asm+0x1a/0x30
[  481.594252][ T8747]  </TASK>
[  481.594262][ T8747] 
[  481.798008][ T8747] Allocated by task 8733:
[  481.802330][ T8747]  kasan_save_track+0x3e/0x80
[  481.807028][ T8747]  __kasan_kmalloc+0x93/0xb0
[  481.811654][ T8747]  __kmalloc_cache_noprof+0x3d5/0x6f0
[  481.817037][ T8747]  gfs2_fill_super+0x11f/0x21b0
[  481.821975][ T8747]  get_tree_bdev_flags+0x40e/0x4d0
[  481.827096][ T8747]  gfs2_get_tree+0x51/0x1e0
[  481.831609][ T8747]  vfs_get_tree+0x92/0x2a0
[  481.836035][ T8747]  do_new_mount+0x302/0xa10
[  481.840537][ T8747]  __se_sys_mount+0x313/0x410
[  481.845212][ T8747]  do_syscall_64+0xfa/0xf80
[  481.849727][ T8747]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  481.855620][ T8747] 
[  481.857933][ T8747] Freed by task 8733:
[  481.861901][ T8747]  kasan_save_track+0x3e/0x80
[  481.866629][ T8747]  __kasan_save_free_info+0x46/0x50
[  481.871834][ T8747]  __kasan_slab_free+0x5c/0x80
[  481.876610][ T8747]  kfree+0x1c0/0x660
[  481.880508][ T8747]  gfs2_fill_super+0x14ef/0x21b0
[  481.885450][ T8747]  get_tree_bdev_flags+0x40e/0x4d0
[  481.890645][ T8747]  gfs2_get_tree+0x51/0x1e0
[  481.895145][ T8747]  vfs_get_tree+0x92/0x2a0
[  481.899576][ T8747]  do_new_mount+0x302/0xa10
[  481.904075][ T8747]  __se_sys_mount+0x313/0x410
[  481.908765][ T8747]  do_syscall_64+0xfa/0xf80
[  481.913314][ T8747]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  481.919210][ T8747] 
[  481.921528][ T8747] The buggy address belongs to the object at ffff888075474000
[  481.921528][ T8747]  which belongs to the cache kmalloc-8k of size 8192
[  481.935579][ T8747] The buggy address is located 168 bytes inside of
[  481.935579][ T8747]  freed 8192-byte region [ffff888075474000, ffff888075476000)
[  481.949255][ T8749] loop0: detected capacity change from 0 to 32768
[  481.949457][ T8747] 
[  481.949466][ T8747] The buggy address belongs to the physical page:
[  481.964534][ T8747] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x75470
[  481.973288][ T8747] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[  481.981779][ T8747] ksm flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[  481.989659][ T8747] page_type: f5(slab)
[  481.993627][ T8747] raw: 00fff00000000040 ffff88801a027280 ffffea00009a8c00 dead000000000003
[  482.002193][ T8747] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[  482.010761][ T8747] head: 00fff00000000040 ffff88801a027280 ffffea00009a8c00 dead000000000003
[  482.019850][ T8747] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[  482.028512][ T8747] head: 00fff00000000003 ffffea0001d51c01 00000000ffffffff 00000000ffffffff
[  482.037170][ T8747] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[  482.045820][ T8747] page dumped because: kasan: bad access detected
[  482.052211][ T8747] page_owner tracks the page as allocated
[  482.057903][ T8747] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5660, tgid 5660 (dhcpcd-run-hook), ts 66112319039, free_ts 66011248304
[  482.078732][ T8747]  post_alloc_hook+0x234/0x290
[  482.083496][ T8747]  get_page_from_freelist+0x2365/0x2440
[  482.089029][ T8747]  __alloc_frozen_pages_noprof+0x181/0x370
[  482.094820][ T8747]  alloc_pages_mpol+0x232/0x4a0
[  482.099682][ T8747]  allocate_slab+0x86/0x3b0
[  482.104172][ T8747]  ___slab_alloc+0xf2b/0x1960
[  482.109006][ T8747]  __slab_alloc+0x65/0x100
[  482.113406][ T8747]  __kmalloc_cache_noprof+0x411/0x6f0
[  482.118772][ T8747]  tomoyo_init_log+0x111f/0x1f70
[  482.123697][ T8747]  tomoyo_supervisor+0x340/0x1480
[  482.128712][ T8747]  tomoyo_env_perm+0x149/0x1e0
[  482.133472][ T8747]  tomoyo_find_next_domain+0x15ce/0x1aa0
[  482.139105][ T8747]  tomoyo_bprm_check_security+0x11c/0x180
[  482.144821][ T8747]  security_bprm_check+0x89/0x270
[  482.149841][ T8747]  bprm_execve+0x887/0x1400
[  482.154342][ T8747]  do_execveat_common+0x510/0x6a0
[  482.159361][ T8747] page last free pid 5655 tgid 5655 stack trace:
[  482.165669][ T8747]  __free_frozen_pages+0xbc4/0xd30
[  482.170778][ T8747]  __put_partials+0x146/0x170
[  482.175442][ T8747]  put_cpu_partial+0x1f2/0x2d0
[  482.180193][ T8747]  __slab_free+0x288/0x2a0
[  482.184598][ T8747]  qlist_free_all+0x97/0x100
[  482.189181][ T8747]  kasan_quarantine_reduce+0x148/0x160
[  482.194634][ T8747]  __kasan_slab_alloc+0x22/0x80
[  482.199481][ T8747]  __kmalloc_node_track_caller_noprof+0x51d/0x810
[  482.205894][ T8747]  kstrdup+0x42/0x100
[  482.209862][ T8747]  bprm_change_interp+0x82/0xc0
[  482.214707][ T8747]  load_script+0x6d0/0x860
[  482.219113][ T8747]  bprm_execve+0x92e/0x1400
[  482.223611][ T8747]  do_execveat_common+0x510/0x6a0
[  482.228638][ T8747]  __x64_sys_execve+0x94/0xb0
[  482.233308][ T8747]  do_syscall_64+0xfa/0xf80
[  482.237804][ T8747]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  482.243686][ T8747] 
[  482.245991][ T8747] Memory state around the buggy address:
[  482.251606][ T8747]  ffff888075473f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  482.259654][ T8747]  ffff888075474000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  482.267702][ T8747] >ffff888075474080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  482.275743][ T8747]                                   ^
[  482.281094][ T8747]  ffff888075474100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  482.289136][ T8747]  ffff888075474180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  482.297175][ T8747] ==================================================================
[  482.550067][ T8747] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[  482.557306][ T8747] CPU: 1 UID: 0 PID: 8747 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full) 
[  482.567024][ T8747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  482.577074][ T8747] Call Trace:
[  482.580347][ T8747]  <TASK>
[  482.583268][ T8747]  dump_stack_lvl+0x99/0x250
[  482.587865][ T8747]  ? __asan_memcpy+0x40/0x70
[  482.592467][ T8747]  ? __pfx_dump_stack_lvl+0x10/0x10
[  482.597679][ T8747]  ? __pfx__printk+0x10/0x10
[  482.602295][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  482.607939][ T8747]  vpanic+0x237/0x6d0
[  482.611929][ T8747]  ? __pfx_vpanic+0x10/0x10
[  482.616439][ T8747]  ? preempt_schedule+0xae/0xc0
[  482.621310][ T8747]  ? __pfx_preempt_schedule+0x10/0x10
[  482.626803][ T8747]  panic+0xb9/0xc0
[  482.630534][ T8747]  ? __pfx_panic+0x10/0x10
[  482.635168][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  482.640809][ T8747]  ? _raw_spin_unlock_irqrestore+0xfd/0x110
[  482.646719][ T8747]  ? gfs2_quotad+0x19c/0x930
[  482.651325][ T8747]  check_panic_on_warn+0x89/0xb0
[  482.656273][ T8747]  ? gfs2_quotad+0x19c/0x930
[  482.660877][ T8747]  end_report+0x6f/0x140
[  482.665119][ T8747]  kasan_report+0x129/0x150
[  482.669624][ T8747]  ? gfs2_quotad+0x19c/0x930
[  482.674234][ T8747]  kasan_check_range+0x2b0/0x2c0
[  482.679207][ T8747]  gfs2_quotad+0x19c/0x930
[  482.683649][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  482.689298][ T8747]  ? __pfx_gfs2_quotad+0x10/0x10
[  482.694252][ T8747]  ? __kthread_parkme+0x7b/0x200
[  482.699199][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  482.704836][ T8747]  ? __kthread_parkme+0x1a1/0x200
[  482.709867][ T8747]  kthread+0x711/0x8a0
[  482.713946][ T8747]  ? __pfx_gfs2_quotad+0x10/0x10
[  482.718894][ T8747]  ? __pfx_kthread+0x10/0x10
[  482.723491][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  482.729130][ T8747]  ? _raw_spin_unlock_irq+0x23/0x50
[  482.734337][ T8747]  ? srso_alias_return_thunk+0x5/0xfbef5
[  482.739974][ T8747]  ? lockdep_hardirqs_on+0x98/0x140
[  482.745181][ T8747]  ? __pfx_kthread+0x10/0x10
[  482.749782][ T8747]  ret_from_fork+0x599/0xb30
[  482.754373][ T8747]  ? __pfx_ret_from_fork+0x10/0x10
[  482.759578][ T8747]  ? __switch_to_asm+0x39/0x70
[  482.764352][ T8747]  ? __switch_to_asm+0x33/0x70
[  482.769124][ T8747]  ? __pfx_kthread+0x10/0x10
[  482.773722][ T8747]  ret_from_fork_asm+0x1a/0x30
[  482.778506][ T8747]  </TASK>
[  482.781785][ T8747] Kernel Offset: disabled
[  482.786099][ T8747] Rebooting in 86400 seconds..