it_journal+0x19b3/0x2180
[  436.931550][ T8643]  ? do_raw_spin_unlock+0x122/0x240
[  436.931572][ T8643]  ? _raw_spin_unlock+0x28/0x50
[  436.931596][ T8643]  ? gfs2_jdesc_find+0xab/0xc0
[  436.931618][ T8643]  init_journal+0x19b3/0x2180
[  436.931646][ T8643]  ? init_inodes+0xdb/0x320
[  436.931663][ T8643]  ? vsnprintf+0x386/0xf00
[  436.931698][ T8643]  ? __pfx_init_journal+0x10/0x10
[  436.931716][ T8643]  ? vsnprintf+0xe11/0xf00
[  436.931748][ T8643]  ? snprintf+0xda/0x120
[  436.931771][ T8643]  ? init_inodes+0xdb/0x320
[  436.931788][ T8643]  ? __pfx_snprintf+0x10/0x10
[  436.931811][ T8643]  ? gfs2_glock_nq_num+0x13d/0x170
[  436.931831][ T8643]  init_inodes+0xdb/0x320
[  436.931850][ T8643]  gfs2_fill_super+0x1a52/0x2220
[  436.931878][ T8643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  436.931896][ T8643]  ? init_locking+0xb8/0x210
[  436.931909][ T8643]  ? sb_set_blocksize+0x104/0x180
[  436.931929][ T8643]  ? setup_bdev_super+0x4c1/0x5b0
[  436.931950][ T8643]  get_tree_bdev_flags+0x40e/0x4d0
[  436.931969][ T8643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  436.931987][ T8643]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  436.932002][ T8643]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  436.932030][ T8643]  gfs2_get_tree+0x51/0x1e0
[  436.932048][ T8643]  vfs_get_tree+0x92/0x2b0
[  436.932068][ T8643]  do_new_mount+0x302/0xa10
[  436.932086][ T8643]  ? apparmor_capable+0x137/0x1b0
[  436.932112][ T8643]  ? __pfx_do_new_mount+0x10/0x10
[  436.932130][ T8643]  ? ns_capable+0x8a/0xf0
[  436.932156][ T8643]  ? kmem_cache_free+0x19b/0x690
[  436.932188][ T8643]  __se_sys_mount+0x313/0x410
[  436.932215][ T8643]  ? __pfx___se_sys_mount+0x10/0x10
[  436.932240][ T8643]  ? do_syscall_64+0xbe/0xfa0
[  436.932257][ T8643]  ? __x64_sys_mount+0x20/0xc0
[  436.932279][ T8643]  do_syscall_64+0xfa/0xfa0
[  436.932295][ T8643]  ? lockdep_hardirqs_on+0x9c/0x150
[  436.932313][ T8643]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  436.932331][ T8643]  ? clear_bhb_loop+0x60/0xb0
[  436.932352][ T8643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  436.932369][ T8643] RIP: 0033:0x7f6d4219076a
[  436.932388][ T8643] 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
[  436.932403][ T8643] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  436.932423][ T8643] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  436.932437][ T8643] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  436.932448][ T8643] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  436.932460][ T8643] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  436.932472][ T8643] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  436.932502][ T8643]  </TASK>
[  436.933681][ T8643] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  437.576496][ T8653] loop3: detected capacity change from 0 to 32768
[  437.602658][ T8655] loop1: detected capacity change from 0 to 32768
[  437.642210][ T8653] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  437.659698][ T8653] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  437.674119][ T8655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  437.696697][ T8653] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  437.714596][ T8655] CPU: 0 UID: 0 PID: 8655 Comm: syz.1.527 Not tainted syzkaller #0 PREEMPT(full) 
[  437.714628][ T8655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  437.714638][ T8655] Call Trace:
[  437.714646][ T8655]  <TASK>
[  437.714654][ T8655]  dump_stack_lvl+0x189/0x250
[  437.714681][ T8655]  ? __pfx_dump_stack_lvl+0x10/0x10
[  437.714700][ T8655]  ? __pfx__printk+0x10/0x10
[  437.714725][ T8655]  ? kernfs_path_from_node+0x250/0x290
[  437.714741][ T8655]  ? kernfs_path_from_node+0x2f/0x290
[  437.714761][ T8655]  sysfs_create_dir_ns+0x259/0x280
[  437.714789][ T8655]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  437.714816][ T8655]  ? do_raw_spin_unlock+0x122/0x240
[  437.714840][ T8655]  kobject_add_internal+0x59f/0xb40
[  437.714914][ T8655]  kobject_init_and_add+0x125/0x190
[  437.714941][ T8655]  ? __pfx_kobject_init_and_add+0x10/0x10
[  437.714963][ T8655]  ? __raw_spin_lock_init+0x45/0x100
[  437.714983][ T8655]  ? __init_swait_queue_head+0xa9/0x150
[  437.715006][ T8655]  gfs2_sys_fs_add+0x234/0x450
[  437.715032][ T8655]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  437.715060][ T8655]  ? is_dynamic_key+0xd6/0x1c0
[  437.715080][ T8655]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  437.715113][ T8655]  gfs2_fill_super+0x13e5/0x2220
[  437.715147][ T8655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  437.715170][ T8655]  ? sb_set_blocksize+0x104/0x180
[  437.715192][ T8655]  ? setup_bdev_super+0x4c1/0x5b0
[  437.715215][ T8655]  get_tree_bdev_flags+0x40e/0x4d0
[  437.715236][ T8655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  437.715254][ T8655]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  437.715271][ T8655]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  437.715304][ T8655]  gfs2_get_tree+0x51/0x1e0
[  437.715326][ T8655]  vfs_get_tree+0x92/0x2b0
[  437.715348][ T8655]  do_new_mount+0x302/0xa10
[  437.715367][ T8655]  ? apparmor_capable+0x137/0x1b0
[  437.715396][ T8655]  ? __pfx_do_new_mount+0x10/0x10
[  437.715416][ T8655]  ? ns_capable+0x8a/0xf0
[  437.715443][ T8655]  ? kmem_cache_free+0x19b/0x690
[  437.715473][ T8655]  __se_sys_mount+0x313/0x410
[  437.715501][ T8655]  ? __pfx___se_sys_mount+0x10/0x10
[  437.715525][ T8655]  ? do_syscall_64+0xbe/0xfa0
[  437.715542][ T8655]  ? __x64_sys_mount+0x20/0xc0
[  437.715565][ T8655]  do_syscall_64+0xfa/0xfa0
[  437.715581][ T8655]  ? lockdep_hardirqs_on+0x9c/0x150
[  437.715598][ T8655]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  437.715626][ T8655]  ? clear_bhb_loop+0x60/0xb0
[  437.715648][ T8655]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  437.715665][ T8655] RIP: 0033:0x7f95c379076a
[  437.715682][ T8655] 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
[  437.715697][ T8655] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  437.715717][ T8655] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  437.715730][ T8655] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  437.715743][ T8655] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  437.715756][ T8655] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  437.715768][ T8655] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  437.715799][ T8655]  </TASK>
[  437.715825][ T8655] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  437.859716][ T8653] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  437.894711][ T8655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  437.935658][ T8653] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8653 [syz.3.528] init_journal+0x19b3/0x2180
[  438.104950][ T8653] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  438.166669][ T8653] CPU: 1 UID: 0 PID: 8653 Comm: syz.3.528 Not tainted syzkaller #0 PREEMPT(full) 
[  438.166692][ T8653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  438.166702][ T8653] Call Trace:
[  438.166709][ T8653]  <TASK>
[  438.166717][ T8653]  dump_stack_lvl+0x189/0x250
[  438.166743][ T8653]  ? __pfx_dump_stack_lvl+0x10/0x10
[  438.166761][ T8653]  ? __pfx_wake_up_bit+0x10/0x10
[  438.166780][ T8653]  ? __pfx_wake_bit_function+0x10/0x10
[  438.166803][ T8653]  gfs2_withdraw+0xc3/0x1b0
[  438.166822][ T8653]  gfs2_jdesc_check+0x17d/0x2f0
[  438.166855][ T8653]  check_journal_clean+0x158/0x310
[  438.166872][ T8653]  ? __pfx_check_journal_clean+0x10/0x10
[  438.166890][ T8653]  ? init_journal+0x19b3/0x2180
[  438.166914][ T8653]  ? do_raw_spin_unlock+0x122/0x240
[  438.166933][ T8653]  ? _raw_spin_unlock+0x28/0x50
[  438.166954][ T8653]  ? gfs2_jdesc_find+0xab/0xc0
[  438.166976][ T8653]  init_journal+0x19b3/0x2180
[  438.167003][ T8653]  ? init_inodes+0xdb/0x320
[  438.167019][ T8653]  ? vsnprintf+0x386/0xf00
[  438.167042][ T8653]  ? __pfx_init_journal+0x10/0x10
[  438.167058][ T8653]  ? vsnprintf+0xe11/0xf00
[  438.167090][ T8653]  ? snprintf+0xda/0x120
[  438.167113][ T8653]  ? init_inodes+0xdb/0x320
[  438.167130][ T8653]  ? __pfx_snprintf+0x10/0x10
[  438.167153][ T8653]  ? gfs2_glock_nq_num+0x13d/0x170
[  438.167175][ T8653]  init_inodes+0xdb/0x320
[  438.167194][ T8653]  gfs2_fill_super+0x1a52/0x2220
[  438.167227][ T8653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  438.167249][ T8653]  ? init_locking+0xb8/0x210
[  438.167264][ T8653]  ? sb_set_blocksize+0x104/0x180
[  438.167285][ T8653]  ? setup_bdev_super+0x4c1/0x5b0
[  438.167307][ T8653]  get_tree_bdev_flags+0x40e/0x4d0
[  438.167325][ T8653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  438.167340][ T8653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  438.167358][ T8653]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  438.167389][ T8653]  gfs2_get_tree+0x51/0x1e0
[  438.167408][ T8653]  vfs_get_tree+0x92/0x2b0
[  438.167429][ T8653]  do_new_mount+0x302/0xa10
[  438.167447][ T8653]  ? apparmor_capable+0x137/0x1b0
[  438.167475][ T8653]  ? __pfx_do_new_mount+0x10/0x10
[  438.167493][ T8653]  ? ns_capable+0x8a/0xf0
[  438.167516][ T8653]  ? kmem_cache_free+0x19b/0x690
[  438.167546][ T8653]  __se_sys_mount+0x313/0x410
[  438.167570][ T8653]  ? __pfx___se_sys_mount+0x10/0x10
[  438.167591][ T8653]  ? do_syscall_64+0xbe/0xfa0
[  438.167606][ T8653]  ? __x64_sys_mount+0x20/0xc0
[  438.167635][ T8653]  do_syscall_64+0xfa/0xfa0
[  438.167649][ T8653]  ? lockdep_hardirqs_on+0x9c/0x150
[  438.167665][ T8653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  438.167682][ T8653]  ? clear_bhb_loop+0x60/0xb0
[  438.167702][ T8653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  438.167718][ T8653] RIP: 0033:0x7fa12dd9076a
[  438.167734][ 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
[  438.167747][ T8653] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  438.167764][ T8653] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  438.167776][ T8653] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  438.167787][ T8653] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  438.167798][ T8653] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  438.167808][ T8653] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  438.167843][ T8653]  </TASK>
[  438.167850][ T8653] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  438.280283][ T8659] loop4: detected capacity change from 0 to 32768
[  438.530308][ T8659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  438.580274][ T8659] CPU: 0 UID: 0 PID: 8659 Comm: syz.4.529 Not tainted syzkaller #0 PREEMPT(full) 
[  438.580300][ T8659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  438.580311][ T8659] Call Trace:
[  438.580319][ T8659]  <TASK>
[  438.580328][ T8659]  dump_stack_lvl+0x189/0x250
[  438.580355][ T8659]  ? __pfx_dump_stack_lvl+0x10/0x10
[  438.580375][ T8659]  ? __pfx__printk+0x10/0x10
[  438.580399][ T8659]  ? kernfs_path_from_node+0x250/0x290
[  438.580416][ T8659]  ? kernfs_path_from_node+0x2f/0x290
[  438.580437][ T8659]  sysfs_create_dir_ns+0x259/0x280
[  438.580466][ T8659]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  438.580492][ T8659]  ? do_raw_spin_unlock+0x122/0x240
[  438.580516][ T8659]  kobject_add_internal+0x59f/0xb40
[  438.580550][ T8659]  kobject_init_and_add+0x125/0x190
[  438.580576][ T8659]  ? __pfx_kobject_init_and_add+0x10/0x10
[  438.580598][ T8659]  ? __raw_spin_lock_init+0x45/0x100
[  438.580619][ T8659]  ? __init_swait_queue_head+0xa9/0x150
[  438.580641][ T8659]  gfs2_sys_fs_add+0x234/0x450
[  438.580666][ T8659]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  438.580695][ T8659]  ? is_dynamic_key+0xd6/0x1c0
[  438.580716][ T8659]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  438.580751][ T8659]  gfs2_fill_super+0x13e5/0x2220
[  438.580786][ T8659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  438.580840][ T8659]  ? sb_set_blocksize+0x104/0x180
[  438.580863][ T8659]  ? setup_bdev_super+0x4c1/0x5b0
[  438.580887][ T8659]  get_tree_bdev_flags+0x40e/0x4d0
[  438.580905][ T8659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  438.580923][ T8659]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  438.580939][ T8659]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  438.580971][ T8659]  gfs2_get_tree+0x51/0x1e0
[  438.580991][ T8659]  vfs_get_tree+0x92/0x2b0
[  438.581010][ T8659]  do_new_mount+0x302/0xa10
[  438.581027][ T8659]  ? apparmor_capable+0x137/0x1b0
[  438.581055][ T8659]  ? __pfx_do_new_mount+0x10/0x10
[  438.581074][ T8659]  ? ns_capable+0x8a/0xf0
[  438.581100][ T8659]  ? kmem_cache_free+0x19b/0x690
[  438.581127][ T8659]  __se_sys_mount+0x313/0x410
[  438.581147][ T8659]  ? __pfx___se_sys_mount+0x10/0x10
[  438.581164][ T8659]  ? do_syscall_64+0xbe/0xfa0
[  438.581176][ T8659]  ? __x64_sys_mount+0x20/0xc0
[  438.581192][ T8659]  do_syscall_64+0xfa/0xfa0
[  438.581204][ T8659]  ? lockdep_hardirqs_on+0x9c/0x150
[  438.581217][ T8659]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  438.581230][ T8659]  ? clear_bhb_loop+0x60/0xb0
[  438.581246][ T8659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  438.581258][ T8659] RIP: 0033:0x7f7be2b9076a
[  438.581271][ T8659] 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
[  438.581284][ T8659] RSP: 002b:00007f7be3ad0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  438.581303][ T8659] RAX: ffffffffffffffda RBX: 00007f7be3ad0ef0 RCX: 00007f7be2b9076a
[  438.581313][ T8659] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3ad0eb0
[  438.581325][ T8659] RBP: 0000200000000400 R08: 00007f7be3ad0ef0 R09: 0000000000200001
[  438.581336][ T8659] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  438.581346][ T8659] R13: 00007f7be3ad0eb0 R14: 00000000000125d5 R15: 0000200000000240
[  438.581373][ T8659]  </TASK>
[  438.583116][ T8659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  438.974302][ T8659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  439.022736][ T8663] loop0: detected capacity change from 0 to 32768
[  439.030325][ T8661] loop2: detected capacity change from 0 to 32768
[  439.091668][ T8663] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  439.110123][ T8663] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  439.137549][ T8661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  439.150281][ T8661] CPU: 1 UID: 0 PID: 8661 Comm: syz.2.530 Not tainted syzkaller #0 PREEMPT(full) 
[  439.150306][ T8661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  439.150316][ T8661] Call Trace:
[  439.150323][ T8661]  <TASK>
[  439.150332][ T8661]  dump_stack_lvl+0x189/0x250
[  439.150359][ T8661]  ? __pfx_dump_stack_lvl+0x10/0x10
[  439.150377][ T8661]  ? __pfx__printk+0x10/0x10
[  439.150417][ T8661]  ? kernfs_path_from_node+0x250/0x290
[  439.150432][ T8661]  ? kernfs_path_from_node+0x2f/0x290
[  439.150451][ T8661]  sysfs_create_dir_ns+0x259/0x280
[  439.150485][ T8661]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  439.150510][ T8661]  ? do_raw_spin_unlock+0x122/0x240
[  439.150534][ T8661]  kobject_add_internal+0x59f/0xb40
[  439.150564][ T8661]  kobject_init_and_add+0x125/0x190
[  439.150590][ T8661]  ? __pfx_kobject_init_and_add+0x10/0x10
[  439.150613][ T8661]  ? __raw_spin_lock_init+0x45/0x100
[  439.150632][ T8661]  ? __init_swait_queue_head+0xa9/0x150
[  439.150655][ T8661]  gfs2_sys_fs_add+0x234/0x450
[  439.150689][ T8661]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  439.150718][ T8661]  ? is_dynamic_key+0xd6/0x1c0
[  439.150738][ T8661]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  439.150771][ T8661]  gfs2_fill_super+0x13e5/0x2220
[  439.150814][ T8661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  439.150836][ T8661]  ? sb_set_blocksize+0x104/0x180
[  439.150859][ T8661]  ? setup_bdev_super+0x4c1/0x5b0
[  439.150881][ T8661]  get_tree_bdev_flags+0x40e/0x4d0
[  439.150902][ T8661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  439.150920][ T8661]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  439.150937][ T8661]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  439.150971][ T8661]  gfs2_get_tree+0x51/0x1e0
[  439.150992][ T8661]  vfs_get_tree+0x92/0x2b0
[  439.151014][ T8661]  do_new_mount+0x302/0xa10
[  439.151033][ T8661]  ? apparmor_capable+0x137/0x1b0
[  439.151061][ T8661]  ? __pfx_do_new_mount+0x10/0x10
[  439.151081][ T8661]  ? ns_capable+0x8a/0xf0
[  439.151106][ T8661]  ? kmem_cache_free+0x19b/0x690
[  439.151136][ T8661]  __se_sys_mount+0x313/0x410
[  439.151164][ T8661]  ? __pfx___se_sys_mount+0x10/0x10
[  439.151189][ T8661]  ? do_syscall_64+0xbe/0xfa0
[  439.151204][ T8661]  ? __x64_sys_mount+0x20/0xc0
[  439.151227][ T8661]  do_syscall_64+0xfa/0xfa0
[  439.151243][ T8661]  ? lockdep_hardirqs_on+0x9c/0x150
[  439.151260][ T8661]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  439.151278][ T8661]  ? clear_bhb_loop+0x60/0xb0
[  439.151299][ T8661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  439.151316][ T8661] RIP: 0033:0x7f45e4d9076a
[  439.151333][ T8661] 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
[  439.151348][ T8661] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  439.151369][ T8661] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  439.151382][ T8661] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  439.151394][ T8661] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  439.151407][ T8661] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  439.151424][ T8661] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  439.151454][ T8661]  </TASK>
[  439.152039][ T8661] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  439.390018][ T8663] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  439.390056][ T8663] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  439.390085][ T8663] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8663 [syz.0.531] init_journal+0x19b3/0x2180
[  439.390118][ T8663] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  439.390143][ T8663] CPU: 0 UID: 0 PID: 8663 Comm: syz.0.531 Not tainted syzkaller #0 PREEMPT(full) 
[  439.390162][ T8663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  439.390171][ T8663] Call Trace:
[  439.390177][ T8663]  <TASK>
[  439.390185][ T8663]  dump_stack_lvl+0x189/0x250
[  439.390209][ T8663]  ? __pfx_dump_stack_lvl+0x10/0x10
[  439.390230][ T8663]  ? __pfx_wake_up_bit+0x10/0x10
[  439.390251][ T8663]  ? __pfx_wake_bit_function+0x10/0x10
[  439.390274][ T8663]  gfs2_withdraw+0xc3/0x1b0
[  439.390293][ T8663]  gfs2_jdesc_check+0x17d/0x2f0
[  439.390317][ T8663]  check_journal_clean+0x158/0x310
[  439.390338][ T8663]  ? __pfx_check_journal_clean+0x10/0x10
[  439.390359][ T8663]  ? init_journal+0x19b3/0x2180
[  439.390417][ T8663]  ? do_raw_spin_unlock+0x122/0x240
[  439.390438][ T8663]  ? _raw_spin_unlock+0x28/0x50
[  439.390461][ T8663]  ? gfs2_jdesc_find+0xab/0xc0
[  439.390481][ T8663]  init_journal+0x19b3/0x2180
[  439.390509][ T8663]  ? init_inodes+0xdb/0x320
[  439.390525][ T8663]  ? vsnprintf+0x386/0xf00
[  439.390549][ T8663]  ? __pfx_init_journal+0x10/0x10
[  439.390566][ T8663]  ? vsnprintf+0xe11/0xf00
[  439.390596][ T8663]  ? snprintf+0xda/0x120
[  439.390619][ T8663]  ? init_inodes+0xdb/0x320
[  439.390635][ T8663]  ? __pfx_snprintf+0x10/0x10
[  439.390656][ T8663]  ? gfs2_glock_nq_num+0x13d/0x170
[  439.390679][ T8663]  init_inodes+0xdb/0x320
[  439.390699][ T8663]  gfs2_fill_super+0x1a52/0x2220
[  439.390731][ T8663]  ? __pfx_gfs2_fill_super+0x10/0x10
[  439.390752][ T8663]  ? init_locking+0xb8/0x210
[  439.390767][ T8663]  ? sb_set_blocksize+0x104/0x180
[  439.390787][ T8663]  ? setup_bdev_super+0x4c1/0x5b0
[  439.390809][ T8663]  get_tree_bdev_flags+0x40e/0x4d0
[  439.390828][ T8663]  ? __pfx_gfs2_fill_super+0x10/0x10
[  439.390845][ T8663]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  439.390862][ T8663]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  439.390894][ T8663]  gfs2_get_tree+0x51/0x1e0
[  439.390915][ T8663]  vfs_get_tree+0x92/0x2b0
[  439.390936][ T8663]  do_new_mount+0x302/0xa10
[  439.390953][ T8663]  ? apparmor_capable+0x137/0x1b0
[  439.390981][ T8663]  ? __pfx_do_new_mount+0x10/0x10
[  439.391000][ T8663]  ? ns_capable+0x8a/0xf0
[  439.391024][ T8663]  ? kmem_cache_free+0x19b/0x690
[  439.391052][ T8663]  __se_sys_mount+0x313/0x410
[  439.391078][ T8663]  ? __pfx___se_sys_mount+0x10/0x10
[  439.391102][ T8663]  ? do_syscall_64+0xbe/0xfa0
[  439.391117][ T8663]  ? __x64_sys_mount+0x20/0xc0
[  439.391139][ T8663]  do_syscall_64+0xfa/0xfa0
[  439.391155][ T8663]  ? lockdep_hardirqs_on+0x9c/0x150
[  439.391171][ T8663]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  439.391188][ T8663]  ? clear_bhb_loop+0x60/0xb0
[  439.391209][ T8663]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  439.391225][ T8663] RIP: 0033:0x7f6d4219076a
[  439.391241][ T8663] 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
[  439.391256][ T8663] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  439.391275][ T8663] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  439.391288][ T8663] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  439.391300][ T8663] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  439.391312][ T8663] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  439.391324][ T8663] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  439.391353][ T8663]  </TASK>
[  439.391360][ T8663] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  439.589625][ T8661] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  440.125061][ T1303] ieee802154 phy0 wpan0: encryption failed: -22
[  440.131708][ T1303] ieee802154 phy1 wpan1: encryption failed: -22
[  440.254610][ T8669] loop1: detected capacity change from 0 to 32768
[  440.326745][ T8669] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  440.355525][ T8669] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  440.409895][ T8669] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  440.471222][ T8669] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  440.509642][ T8669] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8669 [syz.1.532] init_journal+0x19b3/0x2180
[  440.540225][ T8669] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  440.548274][ T8669] CPU: 1 UID: 0 PID: 8669 Comm: syz.1.532 Not tainted syzkaller #0 PREEMPT(full) 
[  440.548299][ T8669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  440.548310][ T8669] Call Trace:
[  440.548318][ T8669]  <TASK>
[  440.548327][ T8669]  dump_stack_lvl+0x189/0x250
[  440.548354][ T8669]  ? __pfx_dump_stack_lvl+0x10/0x10
[  440.548383][ T8669]  ? __pfx_wake_up_bit+0x10/0x10
[  440.548412][ T8669]  gfs2_withdraw+0xc3/0x1b0
[  440.548432][ T8669]  gfs2_jdesc_check+0x17d/0x2f0
[  440.548457][ T8669]  check_journal_clean+0x158/0x310
[  440.548478][ T8669]  ? __pfx_check_journal_clean+0x10/0x10
[  440.548499][ T8669]  ? init_journal+0x19b3/0x2180
[  440.548525][ T8669]  ? do_raw_spin_unlock+0x122/0x240
[  440.548547][ T8669]  ? _raw_spin_unlock+0x28/0x50
[  440.548570][ T8669]  ? gfs2_jdesc_find+0xab/0xc0
[  440.548591][ T8669]  init_journal+0x19b3/0x2180
[  440.548620][ T8669]  ? init_inodes+0xdb/0x320
[  440.548637][ T8669]  ? vsnprintf+0x386/0xf00
[  440.548661][ T8669]  ? __pfx_init_journal+0x10/0x10
[  440.548678][ T8669]  ? vsnprintf+0xe11/0xf00
[  440.548710][ T8669]  ? snprintf+0xda/0x120
[  440.548734][ T8669]  ? init_inodes+0xdb/0x320
[  440.548752][ T8669]  ? __pfx_snprintf+0x10/0x10
[  440.548774][ T8669]  ? gfs2_glock_nq_num+0x13d/0x170
[  440.548799][ T8669]  init_inodes+0xdb/0x320
[  440.548820][ T8669]  gfs2_fill_super+0x1a52/0x2220
[  440.548854][ T8669]  ? __pfx_gfs2_fill_super+0x10/0x10
[  440.548876][ T8669]  ? init_locking+0xb8/0x210
[  440.548891][ T8669]  ? sb_set_blocksize+0x104/0x180
[  440.548914][ T8669]  ? setup_bdev_super+0x4c1/0x5b0
[  440.548937][ T8669]  get_tree_bdev_flags+0x40e/0x4d0
[  440.548957][ T8669]  ? __pfx_gfs2_fill_super+0x10/0x10
[  440.548976][ T8669]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  440.548993][ T8669]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  440.549026][ T8669]  gfs2_get_tree+0x51/0x1e0
[  440.549048][ T8669]  vfs_get_tree+0x92/0x2b0
[  440.549070][ T8669]  do_new_mount+0x302/0xa10
[  440.549089][ T8669]  ? apparmor_capable+0x137/0x1b0
[  440.549117][ T8669]  ? __pfx_do_new_mount+0x10/0x10
[  440.549138][ T8669]  ? ns_capable+0x8a/0xf0
[  440.549164][ T8669]  ? kmem_cache_free+0x19b/0x690
[  440.549194][ T8669]  __se_sys_mount+0x313/0x410
[  440.549221][ T8669]  ? __pfx___se_sys_mount+0x10/0x10
[  440.549246][ T8669]  ? do_syscall_64+0xbe/0xfa0
[  440.549263][ T8669]  ? __x64_sys_mount+0x20/0xc0
[  440.549286][ T8669]  do_syscall_64+0xfa/0xfa0
[  440.549302][ T8669]  ? lockdep_hardirqs_on+0x9c/0x150
[  440.549320][ T8669]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  440.549338][ T8669]  ? clear_bhb_loop+0x60/0xb0
[  440.549366][ T8669]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  440.549383][ T8669] RIP: 0033:0x7f95c379076a
[  440.549401][ 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
[  440.549416][ T8669] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  440.549436][ T8669] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  440.549452][ T8669] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  440.549462][ T8669] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  440.549472][ T8669] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  440.549482][ T8669] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  440.549508][ T8669]  </TASK>
[  440.588230][ T8673] loop3: detected capacity change from 0 to 32768
[  440.859709][ T8669] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  440.920694][ T8673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  440.949736][ T8673] CPU: 1 UID: 0 PID: 8673 Comm: syz.3.533 Not tainted syzkaller #0 PREEMPT(full) 
[  440.949760][ T8673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  440.949771][ T8673] Call Trace:
[  440.949779][ T8673]  <TASK>
[  440.949787][ T8673]  dump_stack_lvl+0x189/0x250
[  440.949812][ T8673]  ? __pfx_dump_stack_lvl+0x10/0x10
[  440.949828][ T8673]  ? __pfx__printk+0x10/0x10
[  440.949851][ T8673]  ? kernfs_path_from_node+0x250/0x290
[  440.949865][ T8673]  ? kernfs_path_from_node+0x2f/0x290
[  440.949884][ T8673]  sysfs_create_dir_ns+0x259/0x280
[  440.949908][ T8673]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  440.949932][ T8673]  ? do_raw_spin_unlock+0x122/0x240
[  440.949954][ T8673]  kobject_add_internal+0x59f/0xb40
[  440.949981][ T8673]  kobject_init_and_add+0x125/0x190
[  440.950005][ T8673]  ? __pfx_kobject_init_and_add+0x10/0x10
[  440.950024][ T8673]  ? __raw_spin_lock_init+0x45/0x100
[  440.950042][ T8673]  ? __init_swait_queue_head+0xa9/0x150
[  440.950062][ T8673]  gfs2_sys_fs_add+0x234/0x450
[  440.950086][ T8673]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  440.950112][ T8673]  ? is_dynamic_key+0xd6/0x1c0
[  440.950130][ T8673]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  440.950160][ T8673]  gfs2_fill_super+0x13e5/0x2220
[  440.950193][ T8673]  ? __pfx_gfs2_fill_super+0x10/0x10
[  440.950213][ T8673]  ? sb_set_blocksize+0x104/0x180
[  440.950234][ T8673]  ? setup_bdev_super+0x4c1/0x5b0
[  440.950275][ T8673]  get_tree_bdev_flags+0x40e/0x4d0
[  440.950291][ T8673]  ? __pfx_gfs2_fill_super+0x10/0x10
[  440.950305][ T8673]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  440.950318][ T8673]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  440.950347][ T8673]  gfs2_get_tree+0x51/0x1e0
[  440.950366][ T8673]  vfs_get_tree+0x92/0x2b0
[  440.950387][ T8673]  do_new_mount+0x302/0xa10
[  440.950404][ T8673]  ? apparmor_capable+0x137/0x1b0
[  440.950430][ T8673]  ? __pfx_do_new_mount+0x10/0x10
[  440.950448][ T8673]  ? ns_capable+0x8a/0xf0
[  440.950471][ T8673]  ? kmem_cache_free+0x19b/0x690
[  440.950499][ T8673]  __se_sys_mount+0x313/0x410
[  440.950532][ T8673]  ? __pfx___se_sys_mount+0x10/0x10
[  440.950554][ T8673]  ? do_syscall_64+0xbe/0xfa0
[  440.950570][ T8673]  ? __x64_sys_mount+0x20/0xc0
[  440.950591][ T8673]  do_syscall_64+0xfa/0xfa0
[  440.950606][ T8673]  ? lockdep_hardirqs_on+0x9c/0x150
[  440.950621][ T8673]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  440.950637][ T8673]  ? clear_bhb_loop+0x60/0xb0
[  440.950656][ T8673]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  440.950671][ T8673] RIP: 0033:0x7fa12dd9076a
[  440.950687][ T8673] 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
[  440.950701][ T8673] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  440.950720][ T8673] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  440.950732][ T8673] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  440.950743][ T8673] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  440.950755][ T8673] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  440.950766][ T8673] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  440.950795][ T8673]  </TASK>
[  440.950827][ T8673] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  441.034917][ T8681] loop0: detected capacity change from 0 to 32768
[  441.135960][ T8675] loop4: detected capacity change from 0 to 32768
[  441.146924][ T8673] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  441.321030][ T8681] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  441.371234][ T8675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  441.378868][ T8675] CPU: 1 UID: 0 PID: 8675 Comm: syz.4.534 Not tainted syzkaller #0 PREEMPT(full) 
[  441.378893][ T8675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  441.378903][ T8675] Call Trace:
[  441.378912][ T8675]  <TASK>
[  441.378920][ T8675]  dump_stack_lvl+0x189/0x250
[  441.378947][ T8675]  ? __pfx_dump_stack_lvl+0x10/0x10
[  441.378965][ T8675]  ? __pfx__printk+0x10/0x10
[  441.378990][ T8675]  ? kernfs_path_from_node+0x250/0x290
[  441.379006][ T8675]  ? kernfs_path_from_node+0x2f/0x290
[  441.379026][ T8675]  sysfs_create_dir_ns+0x259/0x280
[  441.379054][ T8675]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  441.379081][ T8675]  ? do_raw_spin_unlock+0x122/0x240
[  441.379104][ T8675]  kobject_add_internal+0x59f/0xb40
[  441.379134][ T8675]  kobject_init_and_add+0x125/0x190
[  441.379160][ T8675]  ? __pfx_kobject_init_and_add+0x10/0x10
[  441.379182][ T8675]  ? __raw_spin_lock_init+0x45/0x100
[  441.379201][ T8675]  ? __init_swait_queue_head+0xa9/0x150
[  441.379223][ T8675]  gfs2_sys_fs_add+0x234/0x450
[  441.379248][ T8675]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  441.379285][ T8675]  ? is_dynamic_key+0xd6/0x1c0
[  441.379305][ T8675]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  441.379338][ T8675]  gfs2_fill_super+0x13e5/0x2220
[  441.379372][ T8675]  ? __pfx_gfs2_fill_super+0x10/0x10
[  441.379395][ T8675]  ? sb_set_blocksize+0x104/0x180
[  441.379417][ T8675]  ? setup_bdev_super+0x4c1/0x5b0
[  441.379444][ T8675]  get_tree_bdev_flags+0x40e/0x4d0
[  441.379464][ T8675]  ? __pfx_gfs2_fill_super+0x10/0x10
[  441.379479][ T8675]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  441.379493][ T8675]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  441.379525][ T8675]  gfs2_get_tree+0x51/0x1e0
[  441.379547][ T8675]  vfs_get_tree+0x92/0x2b0
[  441.379569][ T8675]  do_new_mount+0x302/0xa10
[  441.379588][ T8675]  ? apparmor_capable+0x137/0x1b0
[  441.379616][ T8675]  ? __pfx_do_new_mount+0x10/0x10
[  441.379637][ T8675]  ? ns_capable+0x8a/0xf0
[  441.379662][ T8675]  ? kmem_cache_free+0x19b/0x690
[  441.379693][ T8675]  __se_sys_mount+0x313/0x410
[  441.379719][ T8675]  ? __pfx___se_sys_mount+0x10/0x10
[  441.379745][ T8675]  ? do_syscall_64+0xbe/0xfa0
[  441.379762][ T8675]  ? __x64_sys_mount+0x20/0xc0
[  441.379784][ T8675]  do_syscall_64+0xfa/0xfa0
[  441.379800][ T8675]  ? lockdep_hardirqs_on+0x9c/0x150
[  441.379817][ T8675]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  441.379835][ T8675]  ? clear_bhb_loop+0x60/0xb0
[  441.379856][ T8675]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
2025/10/22 23:34:45 executed programs: 530
[  441.379874][ T8675] RIP: 0033:0x7f7be2b9076a
[  441.379890][ T8675] 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
[  441.379906][ T8675] RSP: 002b:00007f7be3ad0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  441.379926][ T8675] RAX: ffffffffffffffda RBX: 00007f7be3ad0ef0 RCX: 00007f7be2b9076a
[  441.379939][ T8675] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3ad0eb0
[  441.379951][ T8675] RBP: 0000200000000400 R08: 00007f7be3ad0ef0 R09: 0000000000200001
[  441.379964][ T8675] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  441.379976][ T8675] R13: 00007f7be3ad0eb0 R14: 00000000000125d5 R15: 0000200000000240
[  441.380007][ T8675]  </TASK>
[  441.421143][ T8685] loop2: detected capacity change from 0 to 32768
[  441.432389][ T8675] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  441.549876][ T8681] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  441.555896][ T8675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  441.773832][ T8685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  441.790847][ T8685] CPU: 0 UID: 0 PID: 8685 Comm: syz.2.536 Not tainted syzkaller #0 PREEMPT(full) 
[  441.790872][ T8685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  441.790881][ T8685] Call Trace:
[  441.790888][ T8685]  <TASK>
[  441.790897][ T8685]  dump_stack_lvl+0x189/0x250
[  441.790922][ T8685]  ? __pfx_dump_stack_lvl+0x10/0x10
[  441.790938][ T8685]  ? __pfx__printk+0x10/0x10
[  441.790959][ T8685]  ? kernfs_path_from_node+0x250/0x290
[  441.790973][ T8685]  ? kernfs_path_from_node+0x2f/0x290
[  441.790991][ T8685]  sysfs_create_dir_ns+0x259/0x280
[  441.791015][ T8685]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  441.791038][ T8685]  ? do_raw_spin_unlock+0x122/0x240
[  441.791059][ T8685]  kobject_add_internal+0x59f/0xb40
[  441.791086][ T8685]  kobject_init_and_add+0x125/0x190
[  441.791109][ T8685]  ? __pfx_kobject_init_and_add+0x10/0x10
[  441.791127][ T8685]  ? __raw_spin_lock_init+0x45/0x100
[  441.791145][ T8685]  ? __init_swait_queue_head+0xa9/0x150
[  441.791164][ T8685]  gfs2_sys_fs_add+0x234/0x450
[  441.791187][ T8685]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  441.791222][ T8685]  ? is_dynamic_key+0xd6/0x1c0
[  441.791240][ T8685]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  441.791271][ T8685]  gfs2_fill_super+0x13e5/0x2220
[  441.791303][ T8685]  ? __pfx_gfs2_fill_super+0x10/0x10
[  441.791330][ T8685]  ? sb_set_blocksize+0x104/0x180
[  441.791350][ T8685]  ? setup_bdev_super+0x4c1/0x5b0
[  441.791370][ T8685]  get_tree_bdev_flags+0x40e/0x4d0
[  441.791387][ T8685]  ? __pfx_gfs2_fill_super+0x10/0x10
[  441.791402][ T8685]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  441.791417][ T8685]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  441.791446][ T8685]  gfs2_get_tree+0x51/0x1e0
[  441.791465][ T8685]  vfs_get_tree+0x92/0x2b0
[  441.791485][ T8685]  do_new_mount+0x302/0xa10
[  441.791502][ T8685]  ? apparmor_capable+0x137/0x1b0
[  441.791527][ T8685]  ? __pfx_do_new_mount+0x10/0x10
[  441.791545][ T8685]  ? ns_capable+0x8a/0xf0
[  441.791567][ T8685]  ? kmem_cache_free+0x19b/0x690
[  441.791594][ T8685]  __se_sys_mount+0x313/0x410
[  441.791619][ T8685]  ? __pfx___se_sys_mount+0x10/0x10
[  441.791641][ T8685]  ? do_syscall_64+0xbe/0xfa0
[  441.791655][ T8685]  ? __x64_sys_mount+0x20/0xc0
[  441.791675][ T8685]  do_syscall_64+0xfa/0xfa0
[  441.791689][ T8685]  ? lockdep_hardirqs_on+0x9c/0x150
[  441.791705][ T8685]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  441.791721][ T8685]  ? clear_bhb_loop+0x60/0xb0
[  441.791740][ T8685]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  441.791756][ T8685] RIP: 0033:0x7f45e4d9076a
[  441.791771][ T8685] 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
[  441.791785][ T8685] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  441.791803][ T8685] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  441.791814][ T8685] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  441.791826][ T8685] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  441.791837][ T8685] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  441.791847][ T8685] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  441.791876][ T8685]  </TASK>
[  441.791907][ T8685] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  441.795635][ T8681] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  442.080789][ T8685] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  442.159612][ T8681] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  442.199421][ T8681] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8681 [syz.0.535] init_journal+0x19b3/0x2180
[  442.275949][ T8681] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  442.330502][ T8681] CPU: 1 UID: 0 PID: 8681 Comm: syz.0.535 Not tainted syzkaller #0 PREEMPT(full) 
[  442.330527][ T8681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  442.330537][ T8681] Call Trace:
[  442.330545][ T8681]  <TASK>
[  442.330553][ T8681]  dump_stack_lvl+0x189/0x250
[  442.330582][ T8681]  ? __pfx_dump_stack_lvl+0x10/0x10
[  442.330603][ T8681]  ? __pfx_wake_up_bit+0x10/0x10
[  442.330623][ T8681]  ? __pfx_wake_bit_function+0x10/0x10
[  442.330646][ T8681]  gfs2_withdraw+0xc3/0x1b0
[  442.330666][ T8681]  gfs2_jdesc_check+0x17d/0x2f0
[  442.330692][ T8681]  check_journal_clean+0x158/0x310
[  442.330713][ T8681]  ? __pfx_check_journal_clean+0x10/0x10
[  442.330733][ T8681]  ? init_journal+0x19b3/0x2180
[  442.330758][ T8681]  ? do_raw_spin_unlock+0x122/0x240
[  442.330779][ T8681]  ? _raw_spin_unlock+0x28/0x50
[  442.330802][ T8681]  ? gfs2_jdesc_find+0xab/0xc0
[  442.330823][ T8681]  init_journal+0x19b3/0x2180
[  442.330851][ T8681]  ? init_inodes+0xdb/0x320
[  442.330869][ T8681]  ? vsnprintf+0x386/0xf00
[  442.330893][ T8681]  ? __pfx_init_journal+0x10/0x10
[  442.330910][ T8681]  ? vsnprintf+0xe11/0xf00
[  442.330940][ T8681]  ? snprintf+0xda/0x120
[  442.330964][ T8681]  ? init_inodes+0xdb/0x320
[  442.330981][ T8681]  ? __pfx_snprintf+0x10/0x10
[  442.331003][ T8681]  ? gfs2_glock_nq_num+0x13d/0x170
[  442.331027][ T8681]  init_inodes+0xdb/0x320
[  442.331047][ T8681]  gfs2_fill_super+0x1a52/0x2220
[  442.331081][ T8681]  ? __pfx_gfs2_fill_super+0x10/0x10
[  442.331102][ T8681]  ? init_locking+0xb8/0x210
[  442.331117][ T8681]  ? sb_set_blocksize+0x104/0x180
[  442.331140][ T8681]  ? setup_bdev_super+0x4c1/0x5b0
[  442.331163][ T8681]  get_tree_bdev_flags+0x40e/0x4d0
[  442.331182][ T8681]  ? __pfx_gfs2_fill_super+0x10/0x10
[  442.331199][ T8681]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  442.331216][ T8681]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  442.331249][ T8681]  gfs2_get_tree+0x51/0x1e0
[  442.331271][ T8681]  vfs_get_tree+0x92/0x2b0
[  442.331291][ T8681]  do_new_mount+0x302/0xa10
[  442.331309][ T8681]  ? apparmor_capable+0x137/0x1b0
[  442.331337][ T8681]  ? __pfx_do_new_mount+0x10/0x10
[  442.331357][ T8681]  ? ns_capable+0x8a/0xf0
[  442.331383][ T8681]  ? kmem_cache_free+0x19b/0x690
[  442.331420][ T8681]  __se_sys_mount+0x313/0x410
[  442.331446][ T8681]  ? __pfx___se_sys_mount+0x10/0x10
[  442.331471][ T8681]  ? do_syscall_64+0xbe/0xfa0
[  442.331487][ T8681]  ? __x64_sys_mount+0x20/0xc0
[  442.331510][ T8681]  do_syscall_64+0xfa/0xfa0
[  442.331526][ T8681]  ? lockdep_hardirqs_on+0x9c/0x150
[  442.331544][ T8681]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  442.331568][ T8681]  ? clear_bhb_loop+0x60/0xb0
[  442.331589][ T8681]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  442.331607][ T8681] RIP: 0033:0x7f6d4219076a
[  442.331624][ 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
[  442.331639][ T8681] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  442.331663][ T8681] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  442.331676][ T8681] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  442.331689][ T8681] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  442.331701][ T8681] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  442.331713][ T8681] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  442.331744][ T8681]  </TASK>
[  442.331752][ T8681] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  443.286310][ T8700] loop4: detected capacity change from 0 to 32768
[  443.346213][ T8695] loop1: detected capacity change from 0 to 32768
[  443.367639][ T8700] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  443.390447][ T8695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  443.408864][ T8695] CPU: 0 UID: 0 PID: 8695 Comm: syz.1.537 Not tainted syzkaller #0 PREEMPT(full) 
[  443.408888][ T8695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  443.408899][ T8695] Call Trace:
[  443.408907][ T8695]  <TASK>
[  443.408915][ T8695]  dump_stack_lvl+0x189/0x250
[  443.408940][ T8695]  ? __pfx_dump_stack_lvl+0x10/0x10
[  443.408956][ T8695]  ? __pfx__printk+0x10/0x10
[  443.408979][ T8695]  ? kernfs_path_from_node+0x250/0x290
[  443.408994][ T8695]  ? kernfs_path_from_node+0x2f/0x290
[  443.409014][ T8695]  sysfs_create_dir_ns+0x259/0x280
[  443.409042][ T8695]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  443.409067][ T8695]  ? do_raw_spin_unlock+0x122/0x240
[  443.409091][ T8695]  kobject_add_internal+0x59f/0xb40
[  443.409120][ T8695]  kobject_init_and_add+0x125/0x190
[  443.409147][ T8695]  ? __pfx_kobject_init_and_add+0x10/0x10
[  443.409169][ T8695]  ? __raw_spin_lock_init+0x45/0x100
[  443.409189][ T8695]  ? __init_swait_queue_head+0xa9/0x150
[  443.409211][ T8695]  gfs2_sys_fs_add+0x234/0x450
[  443.409236][ T8695]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  443.409265][ T8695]  ? is_dynamic_key+0xd6/0x1c0
[  443.409286][ T8695]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  443.409327][ T8695]  gfs2_fill_super+0x13e5/0x2220
[  443.409362][ T8695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  443.409385][ T8695]  ? sb_set_blocksize+0x104/0x180
[  443.409412][ T8695]  ? setup_bdev_super+0x4c1/0x5b0
[  443.409435][ T8695]  get_tree_bdev_flags+0x40e/0x4d0
[  443.409452][ T8695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  443.409467][ T8695]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  443.409483][ T8695]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  443.409514][ T8695]  gfs2_get_tree+0x51/0x1e0
[  443.409533][ T8695]  vfs_get_tree+0x92/0x2b0
[  443.409554][ T8695]  do_new_mount+0x302/0xa10
[  443.409573][ T8695]  ? apparmor_capable+0x137/0x1b0
[  443.409601][ T8695]  ? __pfx_do_new_mount+0x10/0x10
[  443.409621][ T8695]  ? ns_capable+0x8a/0xf0
[  443.409646][ T8695]  ? kmem_cache_free+0x19b/0x690
[  443.409675][ T8695]  __se_sys_mount+0x313/0x410
[  443.409702][ T8695]  ? __pfx___se_sys_mount+0x10/0x10
[  443.409727][ T8695]  ? do_syscall_64+0xbe/0xfa0
[  443.409743][ T8695]  ? __x64_sys_mount+0x20/0xc0
[  443.409765][ T8695]  do_syscall_64+0xfa/0xfa0
[  443.409782][ T8695]  ? lockdep_hardirqs_on+0x9c/0x150
[  443.409799][ T8695]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  443.409817][ T8695]  ? clear_bhb_loop+0x60/0xb0
[  443.409838][ T8695]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  443.409856][ T8695] RIP: 0033:0x7f95c379076a
[  443.409873][ T8695] 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
[  443.409888][ T8695] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  443.409908][ T8695] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  443.409921][ T8695] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  443.409934][ T8695] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  443.409946][ T8695] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  443.409958][ T8695] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  443.409989][ T8695]  </TASK>
[  443.416711][ T8700] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  443.445850][ T8695] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  443.465843][ T8699] loop3: detected capacity change from 0 to 32768
[  443.473991][ T8695] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  443.770352][ T8699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  443.802449][ T8699] CPU: 0 UID: 0 PID: 8699 Comm: syz.3.539 Not tainted syzkaller #0 PREEMPT(full) 
[  443.802475][ T8699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  443.802486][ T8699] Call Trace:
[  443.802494][ T8699]  <TASK>
[  443.802502][ T8699]  dump_stack_lvl+0x189/0x250
[  443.802530][ T8699]  ? __pfx_dump_stack_lvl+0x10/0x10
[  443.802548][ T8699]  ? __pfx__printk+0x10/0x10
[  443.802572][ T8699]  ? kernfs_path_from_node+0x250/0x290
[  443.802589][ T8699]  ? kernfs_path_from_node+0x2f/0x290
[  443.802608][ T8699]  sysfs_create_dir_ns+0x259/0x280
[  443.802636][ T8699]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  443.802662][ T8699]  ? do_raw_spin_unlock+0x122/0x240
[  443.802686][ T8699]  kobject_add_internal+0x59f/0xb40
[  443.802713][ T8699]  kobject_init_and_add+0x125/0x190
[  443.802739][ T8699]  ? __pfx_kobject_init_and_add+0x10/0x10
[  443.802760][ T8699]  ? __raw_spin_lock_init+0x45/0x100
[  443.802780][ T8699]  ? __init_swait_queue_head+0xa9/0x150
[  443.802802][ T8699]  gfs2_sys_fs_add+0x234/0x450
[  443.802828][ T8699]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  443.802857][ T8699]  ? is_dynamic_key+0xd6/0x1c0
[  443.802877][ T8699]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  443.802909][ T8699]  gfs2_fill_super+0x13e5/0x2220
[  443.802942][ T8699]  ? __pfx_gfs2_fill_super+0x10/0x10
[  443.802965][ T8699]  ? sb_set_blocksize+0x104/0x180
[  443.802987][ T8699]  ? setup_bdev_super+0x4c1/0x5b0
[  443.803010][ T8699]  get_tree_bdev_flags+0x40e/0x4d0
[  443.803029][ T8699]  ? __pfx_gfs2_fill_super+0x10/0x10
[  443.803055][ T8699]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  443.803073][ T8699]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  443.803108][ T8699]  gfs2_get_tree+0x51/0x1e0
[  443.803129][ T8699]  vfs_get_tree+0x92/0x2b0
[  443.803151][ T8699]  do_new_mount+0x302/0xa10
[  443.803169][ T8699]  ? apparmor_capable+0x137/0x1b0
[  443.803196][ T8699]  ? __pfx_do_new_mount+0x10/0x10
[  443.803216][ T8699]  ? ns_capable+0x8a/0xf0
[  443.803241][ T8699]  ? kmem_cache_free+0x19b/0x690
[  443.803271][ T8699]  __se_sys_mount+0x313/0x410
[  443.803298][ T8699]  ? __pfx___se_sys_mount+0x10/0x10
[  443.803321][ T8699]  ? do_syscall_64+0xbe/0xfa0
[  443.803337][ T8699]  ? __x64_sys_mount+0x20/0xc0
[  443.803359][ T8699]  do_syscall_64+0xfa/0xfa0
[  443.803385][ T8699]  ? lockdep_hardirqs_on+0x9c/0x150
[  443.803403][ T8699]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  443.803421][ T8699]  ? clear_bhb_loop+0x60/0xb0
[  443.803444][ T8699]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  443.803461][ T8699] RIP: 0033:0x7fa12dd9076a
[  443.803478][ T8699] 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
[  443.803492][ T8699] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  443.803512][ T8699] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  443.803525][ T8699] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  443.803538][ T8699] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  443.803550][ T8699] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  443.803562][ T8699] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  443.803593][ T8699]  </TASK>
[  443.803618][ T8699] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  444.143124][ T8699] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  444.181691][ T8700] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  444.225104][ T8702] loop2: detected capacity change from 0 to 32768
[  444.249686][ T8700] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  444.258680][ T8700] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8700 [syz.4.538] init_journal+0x19b3/0x2180
[  444.319679][ T8702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  444.327097][ T8702] CPU: 0 UID: 0 PID: 8702 Comm: syz.2.540 Not tainted syzkaller #0 PREEMPT(full) 
[  444.327121][ T8702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  444.327132][ T8702] Call Trace:
[  444.327141][ T8702]  <TASK>
[  444.327149][ T8702]  dump_stack_lvl+0x189/0x250
[  444.327177][ T8702]  ? __pfx_dump_stack_lvl+0x10/0x10
[  444.327196][ T8702]  ? __pfx__printk+0x10/0x10
[  444.327221][ T8702]  ? kernfs_path_from_node+0x250/0x290
[  444.327238][ T8702]  ? kernfs_path_from_node+0x2f/0x290
[  444.327259][ T8702]  sysfs_create_dir_ns+0x259/0x280
[  444.327286][ T8702]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  444.327312][ T8702]  ? do_raw_spin_unlock+0x122/0x240
[  444.327335][ T8702]  kobject_add_internal+0x59f/0xb40
[  444.327366][ T8702]  kobject_init_and_add+0x125/0x190
[  444.327392][ T8702]  ? __pfx_kobject_init_and_add+0x10/0x10
[  444.327413][ T8702]  ? __raw_spin_lock_init+0x45/0x100
[  444.327433][ T8702]  ? __init_swait_queue_head+0xa9/0x150
[  444.327455][ T8702]  gfs2_sys_fs_add+0x234/0x450
[  444.327481][ T8702]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  444.327509][ T8702]  ? is_dynamic_key+0xd6/0x1c0
[  444.327530][ T8702]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  444.327564][ T8702]  gfs2_fill_super+0x13e5/0x2220
[  444.327598][ T8702]  ? __pfx_gfs2_fill_super+0x10/0x10
[  444.327621][ T8702]  ? sb_set_blocksize+0x104/0x180
[  444.327643][ T8702]  ? setup_bdev_super+0x4c1/0x5b0
[  444.327666][ T8702]  get_tree_bdev_flags+0x40e/0x4d0
[  444.327685][ T8702]  ? __pfx_gfs2_fill_super+0x10/0x10
[  444.327704][ T8702]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  444.327721][ T8702]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  444.327754][ T8702]  gfs2_get_tree+0x51/0x1e0
[  444.327775][ T8702]  vfs_get_tree+0x92/0x2b0
[  444.327797][ T8702]  do_new_mount+0x302/0xa10
[  444.327816][ T8702]  ? apparmor_capable+0x137/0x1b0
[  444.327844][ T8702]  ? __pfx_do_new_mount+0x10/0x10
[  444.327860][ T8702]  ? ns_capable+0x8a/0xf0
[  444.327882][ T8702]  ? kmem_cache_free+0x19b/0x690
[  444.327907][ T8702]  __se_sys_mount+0x313/0x410
[  444.327928][ T8702]  ? __pfx___se_sys_mount+0x10/0x10
[  444.327949][ T8702]  ? do_syscall_64+0xbe/0xfa0
[  444.327963][ T8702]  ? __x64_sys_mount+0x20/0xc0
[  444.327983][ T8702]  do_syscall_64+0xfa/0xfa0
[  444.327997][ T8702]  ? lockdep_hardirqs_on+0x9c/0x150
[  444.328016][ T8702]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  444.328031][ T8702]  ? clear_bhb_loop+0x60/0xb0
[  444.328051][ T8702]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  444.328073][ T8702] RIP: 0033:0x7f45e4d9076a
[  444.328090][ T8702] 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
[  444.328105][ T8702] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  444.328124][ T8702] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  444.328138][ T8702] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  444.328151][ T8702] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  444.328163][ T8702] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  444.328175][ T8702] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  444.328206][ T8702]  </TASK>
[  444.533223][ T8700] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  444.553813][ T8702] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  444.553837][ T8702] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  444.839681][ T8700] CPU: 0 UID: 0 PID: 8700 Comm: syz.4.538 Not tainted syzkaller #0 PREEMPT(full) 
[  444.839708][ T8700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  444.839720][ T8700] Call Trace:
[  444.839727][ T8700]  <TASK>
[  444.839734][ T8700]  dump_stack_lvl+0x189/0x250
[  444.839760][ T8700]  ? __pfx_dump_stack_lvl+0x10/0x10
[  444.839780][ T8700]  ? __pfx_wake_up_bit+0x10/0x10
[  444.839801][ T8700]  ? __pfx_wake_bit_function+0x10/0x10
[  444.839825][ T8700]  gfs2_withdraw+0xc3/0x1b0
[  444.839845][ T8700]  gfs2_jdesc_check+0x17d/0x2f0
[  444.839871][ T8700]  check_journal_clean+0x158/0x310
[  444.839892][ T8700]  ? __pfx_check_journal_clean+0x10/0x10
[  444.839914][ T8700]  ? init_journal+0x19b3/0x2180
[  444.839940][ T8700]  ? do_raw_spin_unlock+0x122/0x240
[  444.839962][ T8700]  ? _raw_spin_unlock+0x28/0x50
[  444.839985][ T8700]  ? gfs2_jdesc_find+0xab/0xc0
[  444.840014][ T8700]  init_journal+0x19b3/0x2180
[  444.840042][ T8700]  ? init_inodes+0xdb/0x320
[  444.840060][ T8700]  ? vsnprintf+0x386/0xf00
[  444.840084][ T8700]  ? __pfx_init_journal+0x10/0x10
[  444.840103][ T8700]  ? vsnprintf+0xe11/0xf00
[  444.840135][ T8700]  ? snprintf+0xda/0x120
[  444.840157][ T8700]  ? init_inodes+0xdb/0x320
[  444.840175][ T8700]  ? __pfx_snprintf+0x10/0x10
[  444.840198][ T8700]  ? gfs2_glock_nq_num+0x13d/0x170
[  444.840222][ T8700]  init_inodes+0xdb/0x320
[  444.840242][ T8700]  gfs2_fill_super+0x1a52/0x2220
[  444.840275][ T8700]  ? __pfx_gfs2_fill_super+0x10/0x10
[  444.840296][ T8700]  ? init_locking+0xb8/0x210
[  444.840312][ T8700]  ? sb_set_blocksize+0x104/0x180
[  444.840334][ T8700]  ? setup_bdev_super+0x4c1/0x5b0
[  444.840358][ T8700]  get_tree_bdev_flags+0x40e/0x4d0
[  444.840377][ T8700]  ? __pfx_gfs2_fill_super+0x10/0x10
[  444.840395][ T8700]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  444.840413][ T8700]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  444.840446][ T8700]  gfs2_get_tree+0x51/0x1e0
[  444.840467][ T8700]  vfs_get_tree+0x92/0x2b0
[  444.840489][ T8700]  do_new_mount+0x302/0xa10
[  444.840508][ T8700]  ? apparmor_capable+0x137/0x1b0
[  444.840537][ T8700]  ? __pfx_do_new_mount+0x10/0x10
[  444.840557][ T8700]  ? ns_capable+0x8a/0xf0
[  444.840583][ T8700]  ? kmem_cache_free+0x19b/0x690
[  444.840614][ T8700]  __se_sys_mount+0x313/0x410
[  444.840640][ T8700]  ? __pfx___se_sys_mount+0x10/0x10
[  444.840665][ T8700]  ? do_syscall_64+0xbe/0xfa0
[  444.840681][ T8700]  ? __x64_sys_mount+0x20/0xc0
[  444.840703][ T8700]  do_syscall_64+0xfa/0xfa0
[  444.840719][ T8700]  ? lockdep_hardirqs_on+0x9c/0x150
[  444.840736][ T8700]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  444.840753][ T8700]  ? clear_bhb_loop+0x60/0xb0
[  444.840773][ T8700]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  444.840789][ T8700] RIP: 0033:0x7f7be2b9076a
[  444.840806][ T8700] 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
[  444.840820][ T8700] RSP: 002b:00007f7be3aafe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  444.840839][ T8700] RAX: ffffffffffffffda RBX: 00007f7be3aafef0 RCX: 00007f7be2b9076a
[  444.840852][ T8700] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3aafeb0
[  444.840865][ T8700] RBP: 0000200000000400 R08: 00007f7be3aafef0 R09: 0000000000200001
[  444.840877][ T8700] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  444.840889][ T8700] R13: 00007f7be3aafeb0 R14: 00000000000125d5 R15: 0000200000000240
[  444.840919][ T8700]  </TASK>
[  444.840928][ T8700] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  444.969259][ T8704] loop0: detected capacity change from 0 to 32768
[  445.251123][ T8704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  445.265458][ T8704] CPU: 1 UID: 0 PID: 8704 Comm: syz.0.541 Not tainted syzkaller #0 PREEMPT(full) 
[  445.265483][ T8704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  445.265494][ T8704] Call Trace:
[  445.265502][ T8704]  <TASK>
[  445.265509][ T8704]  dump_stack_lvl+0x189/0x250
[  445.265535][ T8704]  ? __pfx_dump_stack_lvl+0x10/0x10
[  445.265554][ T8704]  ? __pfx__printk+0x10/0x10
[  445.265576][ T8704]  ? kernfs_path_from_node+0x250/0x290
[  445.265591][ T8704]  ? kernfs_path_from_node+0x2f/0x290
[  445.265609][ T8704]  sysfs_create_dir_ns+0x259/0x280
[  445.265634][ T8704]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  445.265659][ T8704]  ? do_raw_spin_unlock+0x122/0x240
[  445.265681][ T8704]  kobject_add_internal+0x59f/0xb40
[  445.265709][ T8704]  kobject_init_and_add+0x125/0x190
[  445.265733][ T8704]  ? __pfx_kobject_init_and_add+0x10/0x10
[  445.265753][ T8704]  ? __raw_spin_lock_init+0x45/0x100
[  445.265772][ T8704]  ? __init_swait_queue_head+0xa9/0x150
[  445.265793][ T8704]  gfs2_sys_fs_add+0x234/0x450
[  445.265821][ T8704]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  445.265846][ T8704]  ? is_dynamic_key+0xd6/0x1c0
[  445.265864][ T8704]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  445.265898][ T8704]  gfs2_fill_super+0x13e5/0x2220
[  445.265930][ T8704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  445.265962][ T8704]  ? sb_set_blocksize+0x104/0x180
[  445.265983][ T8704]  ? setup_bdev_super+0x4c1/0x5b0
[  445.266006][ T8704]  get_tree_bdev_flags+0x40e/0x4d0
[  445.266026][ T8704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  445.266045][ T8704]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  445.266062][ T8704]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  445.266093][ T8704]  gfs2_get_tree+0x51/0x1e0
[  445.266114][ T8704]  vfs_get_tree+0x92/0x2b0
[  445.266135][ T8704]  do_new_mount+0x302/0xa10
[  445.266154][ T8704]  ? apparmor_capable+0x137/0x1b0
[  445.266182][ T8704]  ? __pfx_do_new_mount+0x10/0x10
[  445.266202][ T8704]  ? ns_capable+0x8a/0xf0
[  445.266227][ T8704]  ? kmem_cache_free+0x19b/0x690
[  445.266258][ T8704]  __se_sys_mount+0x313/0x410
[  445.266285][ T8704]  ? __pfx___se_sys_mount+0x10/0x10
[  445.266310][ T8704]  ? do_syscall_64+0xbe/0xfa0
[  445.266327][ T8704]  ? __x64_sys_mount+0x20/0xc0
[  445.266349][ T8704]  do_syscall_64+0xfa/0xfa0
[  445.266364][ T8704]  ? lockdep_hardirqs_on+0x9c/0x150
[  445.266381][ T8704]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  445.266399][ T8704]  ? clear_bhb_loop+0x60/0xb0
[  445.266420][ T8704]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  445.266437][ T8704] RIP: 0033:0x7f6d4219076a
[  445.266453][ T8704] 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
[  445.266468][ T8704] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  445.266487][ T8704] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  445.266500][ T8704] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  445.266513][ T8704] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  445.266526][ T8704] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  445.266539][ T8704] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  445.266570][ T8704]  </TASK>
[  445.269559][ T8704] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  445.545249][ T8712] loop1: detected capacity change from 0 to 32768
[  445.548406][ T8704] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  445.647045][ T8712] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  445.717927][ T8712] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  445.767595][ T8714] loop3: detected capacity change from 0 to 32768
[  445.815774][ T8712] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  445.832780][ T8714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  445.854507][ T8712] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  445.866702][ T8714] CPU: 0 UID: 0 PID: 8714 Comm: syz.3.543 Not tainted syzkaller #0 PREEMPT(full) 
[  445.866727][ T8714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  445.866738][ T8714] Call Trace:
[  445.866746][ T8714]  <TASK>
[  445.866754][ T8714]  dump_stack_lvl+0x189/0x250
[  445.866781][ T8714]  ? __pfx_dump_stack_lvl+0x10/0x10
[  445.866800][ T8714]  ? __pfx__printk+0x10/0x10
[  445.866823][ T8714]  ? kernfs_path_from_node+0x250/0x290
[  445.866839][ T8714]  ? kernfs_path_from_node+0x2f/0x290
[  445.866859][ T8714]  sysfs_create_dir_ns+0x259/0x280
[  445.866887][ T8714]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  445.866912][ T8714]  ? do_raw_spin_unlock+0x122/0x240
[  445.866935][ T8714]  kobject_add_internal+0x59f/0xb40
[  445.866974][ T8714]  kobject_init_and_add+0x125/0x190
[  445.867001][ T8714]  ? __pfx_kobject_init_and_add+0x10/0x10
[  445.867023][ T8714]  ? __raw_spin_lock_init+0x45/0x100
[  445.867043][ T8714]  ? __init_swait_queue_head+0xa9/0x150
[  445.867066][ T8714]  gfs2_sys_fs_add+0x234/0x450
[  445.867091][ T8714]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  445.867118][ T8714]  ? is_dynamic_key+0xd6/0x1c0
[  445.867137][ T8714]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  445.867169][ T8714]  gfs2_fill_super+0x13e5/0x2220
[  445.867198][ T8714]  ? __pfx_gfs2_fill_super+0x10/0x10
[  445.867216][ T8714]  ? sb_set_blocksize+0x104/0x180
[  445.867235][ T8714]  ? setup_bdev_super+0x4c1/0x5b0
[  445.867256][ T8714]  get_tree_bdev_flags+0x40e/0x4d0
[  445.867273][ T8714]  ? __pfx_gfs2_fill_super+0x10/0x10
[  445.867289][ T8714]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  445.867304][ T8714]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  445.867333][ T8714]  gfs2_get_tree+0x51/0x1e0
[  445.867353][ T8714]  vfs_get_tree+0x92/0x2b0
[  445.867372][ T8714]  do_new_mount+0x302/0xa10
[  445.867391][ T8714]  ? apparmor_capable+0x137/0x1b0
[  445.867417][ T8714]  ? __pfx_do_new_mount+0x10/0x10
[  445.867435][ T8714]  ? ns_capable+0x8a/0xf0
[  445.867458][ T8714]  ? kmem_cache_free+0x19b/0x690
[  445.867486][ T8714]  __se_sys_mount+0x313/0x410
[  445.867509][ T8714]  ? __pfx___se_sys_mount+0x10/0x10
[  445.867533][ T8714]  ? do_syscall_64+0xbe/0xfa0
[  445.867549][ T8714]  ? __x64_sys_mount+0x20/0xc0
[  445.867571][ T8714]  do_syscall_64+0xfa/0xfa0
[  445.867585][ T8714]  ? lockdep_hardirqs_on+0x9c/0x150
[  445.867600][ T8714]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  445.867615][ T8714]  ? clear_bhb_loop+0x60/0xb0
[  445.867634][ T8714]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  445.867649][ T8714] RIP: 0033:0x7fa12dd9076a
[  445.867666][ T8714] 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
[  445.867680][ T8714] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  445.867700][ T8714] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  445.867712][ T8714] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  445.867722][ T8714] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  445.867734][ T8714] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  445.867745][ T8714] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  445.867776][ T8714]  </TASK>
[  445.867802][ T8714] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  445.891008][ T8712] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8712 [syz.1.542] init_journal+0x19b3/0x2180
[  445.894668][ T8714] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  445.940342][ T8712] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  446.261562][ T8712] CPU: 1 UID: 0 PID: 8712 Comm: syz.1.542 Not tainted syzkaller #0 PREEMPT(full) 
[  446.261589][ T8712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  446.261601][ T8712] Call Trace:
[  446.261609][ T8712]  <TASK>
[  446.261618][ T8712]  dump_stack_lvl+0x189/0x250
[  446.261644][ T8712]  ? __pfx_dump_stack_lvl+0x10/0x10
[  446.261667][ T8712]  ? __pfx_wake_up_bit+0x10/0x10
[  446.261696][ T8712]  gfs2_withdraw+0xc3/0x1b0
[  446.261716][ T8712]  gfs2_jdesc_check+0x17d/0x2f0
[  446.261741][ T8712]  check_journal_clean+0x158/0x310
[  446.261763][ T8712]  ? __pfx_check_journal_clean+0x10/0x10
[  446.261784][ T8712]  ? init_journal+0x19b3/0x2180
[  446.261811][ T8712]  ? do_raw_spin_unlock+0x122/0x240
[  446.261833][ T8712]  ? _raw_spin_unlock+0x28/0x50
[  446.261857][ T8712]  ? gfs2_jdesc_find+0xab/0xc0
[  446.261879][ T8712]  init_journal+0x19b3/0x2180
[  446.261914][ T8712]  ? init_inodes+0xdb/0x320
[  446.261931][ T8712]  ? vsnprintf+0x386/0xf00
[  446.261954][ T8712]  ? __pfx_init_journal+0x10/0x10
[  446.261971][ T8712]  ? vsnprintf+0xe11/0xf00
[  446.262003][ T8712]  ? snprintf+0xda/0x120
[  446.262026][ T8712]  ? init_inodes+0xdb/0x320
[  446.262043][ T8712]  ? __pfx_snprintf+0x10/0x10
[  446.262066][ T8712]  ? gfs2_glock_nq_num+0x13d/0x170
[  446.262089][ T8712]  init_inodes+0xdb/0x320
[  446.262110][ T8712]  gfs2_fill_super+0x1a52/0x2220
[  446.262142][ T8712]  ? __pfx_gfs2_fill_super+0x10/0x10
[  446.262164][ T8712]  ? init_locking+0xb8/0x210
[  446.262180][ T8712]  ? sb_set_blocksize+0x104/0x180
[  446.262202][ T8712]  ? setup_bdev_super+0x4c1/0x5b0
[  446.262225][ T8712]  get_tree_bdev_flags+0x40e/0x4d0
[  446.262245][ T8712]  ? __pfx_gfs2_fill_super+0x10/0x10
[  446.262263][ T8712]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  446.262280][ T8712]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  446.262314][ T8712]  gfs2_get_tree+0x51/0x1e0
[  446.262336][ T8712]  vfs_get_tree+0x92/0x2b0
[  446.262358][ T8712]  do_new_mount+0x302/0xa10
[  446.262376][ T8712]  ? apparmor_capable+0x137/0x1b0
[  446.262405][ T8712]  ? __pfx_do_new_mount+0x10/0x10
[  446.262425][ T8712]  ? ns_capable+0x8a/0xf0
[  446.262450][ T8712]  ? kmem_cache_free+0x19b/0x690
[  446.262481][ T8712]  __se_sys_mount+0x313/0x410
[  446.262508][ T8712]  ? __pfx___se_sys_mount+0x10/0x10
[  446.262533][ T8712]  ? do_syscall_64+0xbe/0xfa0
[  446.262549][ T8712]  ? __x64_sys_mount+0x20/0xc0
[  446.262571][ T8712]  do_syscall_64+0xfa/0xfa0
[  446.262588][ T8712]  ? lockdep_hardirqs_on+0x9c/0x150
[  446.262605][ T8712]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  446.262622][ T8712]  ? clear_bhb_loop+0x60/0xb0
[  446.262643][ T8712]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  446.262660][ T8712] RIP: 0033:0x7f95c379076a
[  446.262677][ T8712] 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
[  446.262692][ T8712] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  446.262711][ T8712] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  446.262724][ T8712] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  446.262737][ T8712] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  446.262749][ T8712] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  446.262761][ T8712] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  446.262793][ T8712]  </TASK>
[  446.262800][ T8712] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  446.697275][ T8718] loop2: detected capacity change from 0 to 32768
[  446.751126][ T8718] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  446.813303][ T8718] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  446.900859][ T8718] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  446.929624][ T8718] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  446.967272][ T8718] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8718 [syz.2.544] init_journal+0x19b3/0x2180
[  446.999565][ T8718] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  447.026345][ T8718] CPU: 1 UID: 0 PID: 8718 Comm: syz.2.544 Not tainted syzkaller #0 PREEMPT(full) 
[  447.026371][ T8718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  447.026382][ T8718] Call Trace:
[  447.026390][ T8718]  <TASK>
[  447.026398][ T8718]  dump_stack_lvl+0x189/0x250
[  447.026425][ T8718]  ? __pfx_dump_stack_lvl+0x10/0x10
[  447.026446][ T8718]  ? __pfx_wake_up_bit+0x10/0x10
[  447.026476][ T8718]  gfs2_withdraw+0xc3/0x1b0
[  447.026497][ T8718]  gfs2_jdesc_check+0x17d/0x2f0
[  447.026523][ T8718]  check_journal_clean+0x158/0x310
[  447.026544][ T8718]  ? __pfx_check_journal_clean+0x10/0x10
[  447.026565][ T8718]  ? init_journal+0x19b3/0x2180
[  447.026591][ T8718]  ? do_raw_spin_unlock+0x122/0x240
[  447.026613][ T8718]  ? _raw_spin_unlock+0x28/0x50
[  447.026637][ T8718]  ? gfs2_jdesc_find+0xab/0xc0
[  447.026659][ T8718]  init_journal+0x19b3/0x2180
[  447.026688][ T8718]  ? init_inodes+0xdb/0x320
[  447.026706][ T8718]  ? vsnprintf+0x386/0xf00
[  447.026730][ T8718]  ? __pfx_init_journal+0x10/0x10
[  447.026748][ T8718]  ? vsnprintf+0xe11/0xf00
[  447.026781][ T8718]  ? snprintf+0xda/0x120
[  447.026803][ T8718]  ? init_inodes+0xdb/0x320
[  447.026821][ T8718]  ? __pfx_snprintf+0x10/0x10
[  447.026844][ T8718]  ? gfs2_glock_nq_num+0x13d/0x170
[  447.026868][ T8718]  init_inodes+0xdb/0x320
[  447.026888][ T8718]  gfs2_fill_super+0x1a52/0x2220
[  447.026922][ T8718]  ? __pfx_gfs2_fill_super+0x10/0x10
[  447.026944][ T8718]  ? init_locking+0xb8/0x210
[  447.026960][ T8718]  ? sb_set_blocksize+0x104/0x180
[  447.026982][ T8718]  ? setup_bdev_super+0x4c1/0x5b0
[  447.027005][ T8718]  get_tree_bdev_flags+0x40e/0x4d0
[  447.027025][ T8718]  ? __pfx_gfs2_fill_super+0x10/0x10
[  447.027043][ T8718]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  447.027067][ T8718]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  447.027100][ T8718]  gfs2_get_tree+0x51/0x1e0
[  447.027122][ T8718]  vfs_get_tree+0x92/0x2b0
[  447.027144][ T8718]  do_new_mount+0x302/0xa10
[  447.027163][ T8718]  ? apparmor_capable+0x137/0x1b0
[  447.027191][ T8718]  ? __pfx_do_new_mount+0x10/0x10
2025/10/22 23:34:51 executed programs: 541
[  447.027213][ T8718]  ? ns_capable+0x8a/0xf0
[  447.027238][ T8718]  ? kmem_cache_free+0x19b/0x690
[  447.027269][ T8718]  __se_sys_mount+0x313/0x410
[  447.027296][ T8718]  ? __pfx___se_sys_mount+0x10/0x10
[  447.027321][ T8718]  ? do_syscall_64+0xbe/0xfa0
[  447.027338][ T8718]  ? __x64_sys_mount+0x20/0xc0
[  447.027360][ T8718]  do_syscall_64+0xfa/0xfa0
[  447.027377][ T8718]  ? lockdep_hardirqs_on+0x9c/0x150
[  447.027394][ T8718]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  447.027412][ T8718]  ? clear_bhb_loop+0x60/0xb0
[  447.027433][ T8718]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  447.027450][ T8718] RIP: 0033:0x7f45e4d9076a
[  447.027467][ T8718] 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
[  447.027482][ T8718] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  447.027502][ T8718] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  447.027516][ T8718] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  447.027528][ T8718] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  447.027541][ T8718] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  447.027552][ T8718] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  447.027583][ T8718]  </TASK>
[  447.027591][ T8718] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  447.645897][ T8728] loop4: detected capacity change from 0 to 32768
[  447.659707][ T8727] loop0: detected capacity change from 0 to 32768
[  447.692237][ T8728] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  447.714524][ T8727] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  447.729852][ T8727] CPU: 1 UID: 0 PID: 8727 Comm: syz.0.546 Not tainted syzkaller #0 PREEMPT(full) 
[  447.729876][ T8727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  447.729886][ T8727] Call Trace:
[  447.729893][ T8727]  <TASK>
[  447.729901][ T8727]  dump_stack_lvl+0x189/0x250
[  447.729927][ T8727]  ? __pfx_dump_stack_lvl+0x10/0x10
[  447.729944][ T8727]  ? __pfx__printk+0x10/0x10
[  447.729964][ T8727]  ? kernfs_path_from_node+0x250/0x290
[  447.729980][ T8727]  ? kernfs_path_from_node+0x2f/0x290
[  447.730000][ T8727]  sysfs_create_dir_ns+0x259/0x280
[  447.730025][ T8727]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  447.730051][ T8727]  ? do_raw_spin_unlock+0x122/0x240
[  447.730075][ T8727]  kobject_add_internal+0x59f/0xb40
[  447.730104][ T8727]  kobject_init_and_add+0x125/0x190
[  447.730129][ T8727]  ? __pfx_kobject_init_and_add+0x10/0x10
[  447.730151][ T8727]  ? __raw_spin_lock_init+0x45/0x100
[  447.730171][ T8727]  ? __init_swait_queue_head+0xa9/0x150
[  447.730194][ T8727]  gfs2_sys_fs_add+0x234/0x450
[  447.730219][ T8727]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  447.730249][ T8727]  ? is_dynamic_key+0xd6/0x1c0
[  447.730270][ T8727]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  447.730303][ T8727]  gfs2_fill_super+0x13e5/0x2220
[  447.730338][ T8727]  ? __pfx_gfs2_fill_super+0x10/0x10
[  447.730361][ T8727]  ? sb_set_blocksize+0x104/0x180
[  447.730383][ T8727]  ? setup_bdev_super+0x4c1/0x5b0
[  447.730405][ T8727]  get_tree_bdev_flags+0x40e/0x4d0
[  447.730424][ T8727]  ? __pfx_gfs2_fill_super+0x10/0x10
[  447.730442][ T8727]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  447.730459][ T8727]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  447.730492][ T8727]  gfs2_get_tree+0x51/0x1e0
[  447.730514][ T8727]  vfs_get_tree+0x92/0x2b0
[  447.730536][ T8727]  do_new_mount+0x302/0xa10
[  447.730554][ T8727]  ? apparmor_capable+0x137/0x1b0
[  447.730589][ T8727]  ? __pfx_do_new_mount+0x10/0x10
[  447.730608][ T8727]  ? ns_capable+0x8a/0xf0
[  447.730634][ T8727]  ? kmem_cache_free+0x19b/0x690
[  447.730664][ T8727]  __se_sys_mount+0x313/0x410
[  447.730697][ T8727]  ? __pfx___se_sys_mount+0x10/0x10
[  447.730722][ T8727]  ? do_syscall_64+0xbe/0xfa0
[  447.730738][ T8727]  ? __x64_sys_mount+0x20/0xc0
[  447.730761][ T8727]  do_syscall_64+0xfa/0xfa0
[  447.730777][ T8727]  ? lockdep_hardirqs_on+0x9c/0x150
[  447.730794][ T8727]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  447.730810][ T8727]  ? clear_bhb_loop+0x60/0xb0
[  447.730829][ T8727]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  447.730845][ T8727] RIP: 0033:0x7f6d4219076a
[  447.730859][ 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
[  447.730870][ T8727] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  447.730887][ T8727] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  447.730898][ T8727] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  447.730909][ T8727] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  447.730920][ T8727] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  447.730931][ T8727] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  447.730961][ T8727]  </TASK>
[  447.730985][ 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.
[  447.739586][ T8728] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  447.840037][ T8727] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  448.106457][ T8728] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  448.149566][ T8728] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  448.158682][ T8728] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8728 [syz.4.545] init_journal+0x19b3/0x2180
[  448.193603][ T8728] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  448.214040][ T8728] CPU: 1 UID: 0 PID: 8728 Comm: syz.4.545 Not tainted syzkaller #0 PREEMPT(full) 
[  448.214067][ T8728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  448.214078][ T8728] Call Trace:
[  448.214085][ T8728]  <TASK>
[  448.214094][ T8728]  dump_stack_lvl+0x189/0x250
[  448.214122][ T8728]  ? __pfx_dump_stack_lvl+0x10/0x10
[  448.214145][ T8728]  ? __pfx_wake_up_bit+0x10/0x10
[  448.214167][ T8728]  ? __pfx_wake_bit_function+0x10/0x10
[  448.214191][ T8728]  gfs2_withdraw+0xc3/0x1b0
[  448.214212][ T8728]  gfs2_jdesc_check+0x17d/0x2f0
[  448.214238][ T8728]  check_journal_clean+0x158/0x310
[  448.214259][ T8728]  ? __pfx_check_journal_clean+0x10/0x10
[  448.214280][ T8728]  ? init_journal+0x19b3/0x2180
[  448.214305][ T8728]  ? do_raw_spin_unlock+0x122/0x240
[  448.214327][ T8728]  ? _raw_spin_unlock+0x28/0x50
[  448.214351][ T8728]  ? gfs2_jdesc_find+0xab/0xc0
[  448.214373][ T8728]  init_journal+0x19b3/0x2180
[  448.214403][ T8728]  ? init_inodes+0xdb/0x320
[  448.214420][ T8728]  ? vsnprintf+0x386/0xf00
[  448.214441][ T8728]  ? __pfx_init_journal+0x10/0x10
[  448.214457][ T8728]  ? vsnprintf+0xe11/0xf00
[  448.214485][ T8728]  ? snprintf+0xda/0x120
[  448.214506][ T8728]  ? init_inodes+0xdb/0x320
[  448.214522][ T8728]  ? __pfx_snprintf+0x10/0x10
[  448.214542][ T8728]  ? gfs2_glock_nq_num+0x13d/0x170
[  448.214565][ T8728]  init_inodes+0xdb/0x320
[  448.214586][ T8728]  gfs2_fill_super+0x1a52/0x2220
[  448.214618][ T8728]  ? __pfx_gfs2_fill_super+0x10/0x10
[  448.214638][ T8728]  ? init_locking+0xb8/0x210
[  448.214653][ T8728]  ? sb_set_blocksize+0x104/0x180
[  448.214673][ T8728]  ? setup_bdev_super+0x4c1/0x5b0
[  448.214694][ T8728]  get_tree_bdev_flags+0x40e/0x4d0
[  448.214713][ T8728]  ? __pfx_gfs2_fill_super+0x10/0x10
[  448.214729][ T8728]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  448.214822][ T8728]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  448.214859][ T8728]  gfs2_get_tree+0x51/0x1e0
[  448.214882][ T8728]  vfs_get_tree+0x92/0x2b0
[  448.214905][ T8728]  do_new_mount+0x302/0xa10
[  448.214925][ T8728]  ? apparmor_capable+0x137/0x1b0
[  448.214950][ T8728]  ? __pfx_do_new_mount+0x10/0x10
[  448.214966][ T8728]  ? ns_capable+0x8a/0xf0
[  448.214992][ T8728]  ? kmem_cache_free+0x19b/0x690
[  448.215022][ T8728]  __se_sys_mount+0x313/0x410
[  448.215045][ T8728]  ? __pfx___se_sys_mount+0x10/0x10
[  448.215069][ T8728]  ? do_syscall_64+0xbe/0xfa0
[  448.215087][ T8728]  ? __x64_sys_mount+0x20/0xc0
[  448.215109][ T8728]  do_syscall_64+0xfa/0xfa0
[  448.215126][ T8728]  ? lockdep_hardirqs_on+0x9c/0x150
[  448.215144][ T8728]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  448.215163][ T8728]  ? clear_bhb_loop+0x60/0xb0
[  448.215185][ T8728]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  448.215204][ T8728] RIP: 0033:0x7f7be2b9076a
[  448.215222][ T8728] 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
[  448.215237][ T8728] RSP: 002b:00007f7be3ad0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  448.215256][ T8728] RAX: ffffffffffffffda RBX: 00007f7be3ad0ef0 RCX: 00007f7be2b9076a
[  448.215268][ T8728] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3ad0eb0
[  448.215282][ T8728] RBP: 0000200000000400 R08: 00007f7be3ad0ef0 R09: 0000000000200001
[  448.215302][ T8728] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  448.215316][ T8728] R13: 00007f7be3ad0eb0 R14: 00000000000125d5 R15: 0000200000000240
[  448.215347][ T8728]  </TASK>
[  448.215357][ T8728] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  448.584610][ T8730] loop3: detected capacity change from 0 to 32768
[  448.637773][ T8730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  448.670042][ T8730] CPU: 0 UID: 0 PID: 8730 Comm: syz.3.547 Not tainted syzkaller #0 PREEMPT(full) 
[  448.670065][ T8730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  448.670074][ T8730] Call Trace:
[  448.670081][ T8730]  <TASK>
[  448.670089][ T8730]  dump_stack_lvl+0x189/0x250
[  448.670114][ T8730]  ? __pfx_dump_stack_lvl+0x10/0x10
[  448.670131][ T8730]  ? __pfx__printk+0x10/0x10
[  448.670153][ T8730]  ? kernfs_path_from_node+0x250/0x290
[  448.670168][ T8730]  ? kernfs_path_from_node+0x2f/0x290
[  448.670185][ T8730]  sysfs_create_dir_ns+0x259/0x280
[  448.670210][ T8730]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  448.670232][ T8730]  ? do_raw_spin_unlock+0x122/0x240
[  448.670253][ T8730]  kobject_add_internal+0x59f/0xb40
[  448.670280][ T8730]  kobject_init_and_add+0x125/0x190
[  448.670304][ T8730]  ? __pfx_kobject_init_and_add+0x10/0x10
[  448.670323][ T8730]  ? __raw_spin_lock_init+0x45/0x100
[  448.670340][ T8730]  ? __init_swait_queue_head+0xa9/0x150
[  448.670360][ T8730]  gfs2_sys_fs_add+0x234/0x450
[  448.670383][ T8730]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  448.670410][ T8730]  ? is_dynamic_key+0xd6/0x1c0
[  448.670427][ T8730]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  448.670458][ T8730]  gfs2_fill_super+0x13e5/0x2220
[  448.670491][ T8730]  ? __pfx_gfs2_fill_super+0x10/0x10
[  448.670511][ T8730]  ? sb_set_blocksize+0x104/0x180
[  448.670532][ T8730]  ? setup_bdev_super+0x4c1/0x5b0
[  448.670552][ T8730]  get_tree_bdev_flags+0x40e/0x4d0
[  448.670570][ T8730]  ? __pfx_gfs2_fill_super+0x10/0x10
[  448.670586][ T8730]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  448.670601][ T8730]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  448.670632][ T8730]  gfs2_get_tree+0x51/0x1e0
[  448.670651][ T8730]  vfs_get_tree+0x92/0x2b0
[  448.670671][ T8730]  do_new_mount+0x302/0xa10
[  448.670689][ T8730]  ? apparmor_capable+0x137/0x1b0
[  448.670714][ T8730]  ? __pfx_do_new_mount+0x10/0x10
[  448.670731][ T8730]  ? ns_capable+0x8a/0xf0
[  448.670754][ T8730]  ? kmem_cache_free+0x19b/0x690
[  448.670782][ T8730]  __se_sys_mount+0x313/0x410
[  448.670806][ T8730]  ? __pfx___se_sys_mount+0x10/0x10
[  448.670828][ T8730]  ? do_syscall_64+0xbe/0xfa0
[  448.670842][ T8730]  ? __x64_sys_mount+0x20/0xc0
[  448.670863][ T8730]  do_syscall_64+0xfa/0xfa0
[  448.670877][ T8730]  ? lockdep_hardirqs_on+0x9c/0x150
[  448.670892][ T8730]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  448.670915][ T8730]  ? clear_bhb_loop+0x60/0xb0
[  448.670935][ T8730]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  448.670950][ T8730] RIP: 0033:0x7fa12dd9076a
[  448.670965][ T8730] 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
[  448.670979][ T8730] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  448.670997][ T8730] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  448.671008][ T8730] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  448.671019][ T8730] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  448.671030][ T8730] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  448.671041][ T8730] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  448.671069][ T8730]  </TASK>
[  448.671097][ T8730] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  449.039891][ T8730] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  449.071885][ T8734] loop1: detected capacity change from 0 to 32768
[  449.133092][ T8734] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  449.173122][ T8734] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  449.226544][ T8734] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  449.263330][ T8736] loop2: detected capacity change from 0 to 32768
[  449.299630][ T8734] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  449.308624][ T8734] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8734 [syz.1.548] init_journal+0x19b3/0x2180
[  449.356116][ T8736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  449.415471][ T8734] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  449.430064][ T8736] CPU: 1 UID: 0 PID: 8736 Comm: syz.2.549 Not tainted syzkaller #0 PREEMPT(full) 
[  449.430089][ T8736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  449.430101][ T8736] Call Trace:
[  449.430109][ T8736]  <TASK>
[  449.430117][ T8736]  dump_stack_lvl+0x189/0x250
[  449.430145][ T8736]  ? __pfx_dump_stack_lvl+0x10/0x10
[  449.430164][ T8736]  ? __pfx__printk+0x10/0x10
[  449.430188][ T8736]  ? kernfs_path_from_node+0x250/0x290
[  449.430205][ T8736]  ? kernfs_path_from_node+0x2f/0x290
[  449.430226][ T8736]  sysfs_create_dir_ns+0x259/0x280
[  449.430253][ T8736]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  449.430280][ T8736]  ? do_raw_spin_unlock+0x122/0x240
[  449.430304][ T8736]  kobject_add_internal+0x59f/0xb40
[  449.430334][ T8736]  kobject_init_and_add+0x125/0x190
[  449.430360][ T8736]  ? __pfx_kobject_init_and_add+0x10/0x10
[  449.430382][ T8736]  ? __raw_spin_lock_init+0x45/0x100
[  449.430402][ T8736]  ? __init_swait_queue_head+0xa9/0x150
[  449.430425][ T8736]  gfs2_sys_fs_add+0x234/0x450
[  449.430451][ T8736]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  449.430479][ T8736]  ? is_dynamic_key+0xd6/0x1c0
[  449.430499][ T8736]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  449.430533][ T8736]  gfs2_fill_super+0x13e5/0x2220
[  449.430568][ T8736]  ? __pfx_gfs2_fill_super+0x10/0x10
[  449.430591][ T8736]  ? sb_set_blocksize+0x104/0x180
[  449.430613][ T8736]  ? setup_bdev_super+0x4c1/0x5b0
[  449.430637][ T8736]  get_tree_bdev_flags+0x40e/0x4d0
[  449.430656][ T8736]  ? __pfx_gfs2_fill_super+0x10/0x10
[  449.430673][ T8736]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  449.430690][ T8736]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  449.430724][ T8736]  gfs2_get_tree+0x51/0x1e0
[  449.430746][ T8736]  vfs_get_tree+0x92/0x2b0
[  449.430767][ T8736]  do_new_mount+0x302/0xa10
[  449.430786][ T8736]  ? apparmor_capable+0x137/0x1b0
[  449.430814][ T8736]  ? __pfx_do_new_mount+0x10/0x10
[  449.430835][ T8736]  ? ns_capable+0x8a/0xf0
[  449.430860][ T8736]  ? kmem_cache_free+0x19b/0x690
[  449.430897][ T8736]  __se_sys_mount+0x313/0x410
[  449.430924][ T8736]  ? __pfx___se_sys_mount+0x10/0x10
[  449.430948][ T8736]  ? do_syscall_64+0xbe/0xfa0
[  449.430964][ T8736]  ? __x64_sys_mount+0x20/0xc0
[  449.430987][ T8736]  do_syscall_64+0xfa/0xfa0
[  449.431003][ T8736]  ? lockdep_hardirqs_on+0x9c/0x150
[  449.431020][ T8736]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  449.431038][ T8736]  ? clear_bhb_loop+0x60/0xb0
[  449.431059][ T8736]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  449.431076][ T8736] RIP: 0033:0x7f45e4d9076a
[  449.431093][ T8736] 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
[  449.431107][ T8736] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  449.431127][ T8736] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  449.431140][ T8736] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  449.431153][ T8736] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  449.431164][ T8736] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  449.431177][ T8736] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  449.431208][ T8736]  </TASK>
[  449.431234][ T8736] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  449.469696][ T8734] CPU: 0 UID: 0 PID: 8734 Comm: syz.1.548 Not tainted syzkaller #0 PREEMPT(full) 
[  449.469721][ T8734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  449.469732][ T8734] Call Trace:
[  449.469740][ T8734]  <TASK>
[  449.469748][ T8734]  dump_stack_lvl+0x189/0x250
[  449.469775][ T8734]  ? __pfx_dump_stack_lvl+0x10/0x10
[  449.469797][ T8734]  ? __pfx_wake_up_bit+0x10/0x10
[  449.469817][ T8734]  ? __pfx_wake_bit_function+0x10/0x10
[  449.469840][ T8734]  gfs2_withdraw+0xc3/0x1b0
[  449.469860][ T8734]  gfs2_jdesc_check+0x17d/0x2f0
[  449.469885][ T8734]  check_journal_clean+0x158/0x310
[  449.469904][ T8734]  ? __pfx_check_journal_clean+0x10/0x10
[  449.469924][ T8734]  ? init_journal+0x19b3/0x2180
[  449.469949][ T8734]  ? do_raw_spin_unlock+0x122/0x240
[  449.469971][ T8734]  ? _raw_spin_unlock+0x28/0x50
[  449.469993][ T8734]  ? gfs2_jdesc_find+0xab/0xc0
[  449.470014][ T8734]  init_journal+0x19b3/0x2180
[  449.470042][ T8734]  ? init_inodes+0xdb/0x320
[  449.470059][ T8734]  ? vsnprintf+0x386/0xf00
[  449.470083][ T8734]  ? __pfx_init_journal+0x10/0x10
[  449.470099][ T8734]  ? vsnprintf+0xe11/0xf00
[  449.470131][ T8734]  ? snprintf+0xda/0x120
[  449.470153][ T8734]  ? init_inodes+0xdb/0x320
[  449.470170][ T8734]  ? __pfx_snprintf+0x10/0x10
[  449.470192][ T8734]  ? gfs2_glock_nq_num+0x13d/0x170
[  449.470215][ T8734]  init_inodes+0xdb/0x320
[  449.470235][ T8734]  gfs2_fill_super+0x1a52/0x2220
[  449.470267][ T8734]  ? __pfx_gfs2_fill_super+0x10/0x10
[  449.470288][ T8734]  ? init_locking+0xb8/0x210
[  449.470303][ T8734]  ? sb_set_blocksize+0x104/0x180
[  449.470324][ T8734]  ? setup_bdev_super+0x4c1/0x5b0
[  449.470346][ T8734]  get_tree_bdev_flags+0x40e/0x4d0
[  449.470366][ T8734]  ? __pfx_gfs2_fill_super+0x10/0x10
[  449.470383][ T8734]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  449.470400][ T8734]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  449.470432][ T8734]  gfs2_get_tree+0x51/0x1e0
[  449.470453][ T8734]  vfs_get_tree+0x92/0x2b0
[  449.470474][ T8734]  do_new_mount+0x302/0xa10
[  449.470492][ T8734]  ? apparmor_capable+0x137/0x1b0
[  449.470519][ T8734]  ? __pfx_do_new_mount+0x10/0x10
[  449.470539][ T8734]  ? ns_capable+0x8a/0xf0
[  449.470563][ T8734]  ? kmem_cache_free+0x19b/0x690
[  449.470592][ T8734]  __se_sys_mount+0x313/0x410
[  449.470618][ T8734]  ? __pfx___se_sys_mount+0x10/0x10
[  449.470648][ T8734]  ? do_syscall_64+0xbe/0xfa0
[  449.470663][ T8734]  ? __x64_sys_mount+0x20/0xc0
[  449.470685][ T8734]  do_syscall_64+0xfa/0xfa0
[  449.470701][ T8734]  ? lockdep_hardirqs_on+0x9c/0x150
[  449.470718][ T8734]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  449.470735][ T8734]  ? clear_bhb_loop+0x60/0xb0
[  449.470755][ T8734]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  449.470772][ T8734] RIP: 0033:0x7f95c379076a
[  449.470788][ T8734] 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
[  449.470802][ T8734] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  449.470821][ T8734] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  449.470834][ T8734] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  449.470846][ T8734] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  449.470858][ T8734] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  449.470870][ T8734] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  449.470897][ T8734]  </TASK>
[  449.470903][ T8734] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  449.539537][ T8736] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  450.056874][ T8742] loop0: detected capacity change from 0 to 32768
[  450.192171][ T8742] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  450.269647][ T8742] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  450.300483][ T8742] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  450.339915][ T8742] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  450.352239][ T8742] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8742 [syz.0.550] init_journal+0x19b3/0x2180
[  450.397636][ T8742] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  450.429991][ T8742] CPU: 1 UID: 0 PID: 8742 Comm: syz.0.550 Not tainted syzkaller #0 PREEMPT(full) 
[  450.430017][ T8742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  450.430028][ T8742] Call Trace:
[  450.430036][ T8742]  <TASK>
[  450.430044][ T8742]  dump_stack_lvl+0x189/0x250
[  450.430071][ T8742]  ? __pfx_dump_stack_lvl+0x10/0x10
[  450.430092][ T8742]  ? __pfx_wake_up_bit+0x10/0x10
[  450.430113][ T8742]  ? __pfx_wake_bit_function+0x10/0x10
[  450.430137][ T8742]  gfs2_withdraw+0xc3/0x1b0
[  450.430158][ T8742]  gfs2_jdesc_check+0x17d/0x2f0
[  450.430183][ T8742]  check_journal_clean+0x158/0x310
[  450.430204][ T8742]  ? __pfx_check_journal_clean+0x10/0x10
[  450.430225][ T8742]  ? init_journal+0x19b3/0x2180
[  450.430251][ T8742]  ? do_raw_spin_unlock+0x122/0x240
[  450.430274][ T8742]  ? _raw_spin_unlock+0x28/0x50
[  450.430297][ T8742]  ? gfs2_jdesc_find+0xab/0xc0
[  450.430318][ T8742]  init_journal+0x19b3/0x2180
[  450.430347][ T8742]  ? init_inodes+0xdb/0x320
[  450.430365][ T8742]  ? vsnprintf+0x386/0xf00
[  450.430389][ T8742]  ? __pfx_init_journal+0x10/0x10
[  450.430407][ T8742]  ? vsnprintf+0xe11/0xf00
[  450.430439][ T8742]  ? snprintf+0xda/0x120
[  450.430461][ T8742]  ? init_inodes+0xdb/0x320
[  450.430479][ T8742]  ? __pfx_snprintf+0x10/0x10
[  450.430500][ T8742]  ? gfs2_glock_nq_num+0x13d/0x170
[  450.430524][ T8742]  init_inodes+0xdb/0x320
[  450.430545][ T8742]  gfs2_fill_super+0x1a52/0x2220
[  450.430579][ T8742]  ? __pfx_gfs2_fill_super+0x10/0x10
[  450.430601][ T8742]  ? init_locking+0xb8/0x210
[  450.430616][ T8742]  ? sb_set_blocksize+0x104/0x180
[  450.430638][ T8742]  ? setup_bdev_super+0x4c1/0x5b0
[  450.430662][ T8742]  get_tree_bdev_flags+0x40e/0x4d0
[  450.430682][ T8742]  ? __pfx_gfs2_fill_super+0x10/0x10
[  450.430699][ T8742]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  450.430716][ T8742]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  450.430756][ T8742]  gfs2_get_tree+0x51/0x1e0
[  450.430777][ T8742]  vfs_get_tree+0x92/0x2b0
[  450.430799][ T8742]  do_new_mount+0x302/0xa10
[  450.430818][ T8742]  ? apparmor_capable+0x137/0x1b0
[  450.430846][ T8742]  ? __pfx_do_new_mount+0x10/0x10
[  450.430866][ T8742]  ? ns_capable+0x8a/0xf0
[  450.430892][ T8742]  ? kmem_cache_free+0x19b/0x690
[  450.430923][ T8742]  __se_sys_mount+0x313/0x410
[  450.430950][ T8742]  ? __pfx___se_sys_mount+0x10/0x10
[  450.430975][ T8742]  ? do_syscall_64+0xbe/0xfa0
[  450.430991][ T8742]  ? __x64_sys_mount+0x20/0xc0
[  450.431013][ T8742]  do_syscall_64+0xfa/0xfa0
[  450.431029][ T8742]  ? lockdep_hardirqs_on+0x9c/0x150
[  450.431046][ T8742]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  450.431063][ T8742]  ? clear_bhb_loop+0x60/0xb0
[  450.431084][ T8742]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  450.431101][ T8742] RIP: 0033:0x7f6d4219076a
[  450.431119][ T8742] 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
[  450.431134][ T8742] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  450.431153][ T8742] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  450.431166][ T8742] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  450.431179][ T8742] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  450.431191][ T8742] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  450.431204][ T8742] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  450.431235][ T8742]  </TASK>
[  450.431242][ T8742] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  451.060211][ T8746] loop3: detected capacity change from 0 to 32768
[  451.123630][ T8746] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  451.142545][ T8746] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  451.260504][ T8746] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  451.285940][ T8751] loop4: detected capacity change from 0 to 32768
[  451.295181][ T8746] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  451.304272][ T8746] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8746 [syz.3.551] init_journal+0x19b3/0x2180
[  451.314431][ T8746] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  451.323794][ T8746] CPU: 1 UID: 0 PID: 8746 Comm: syz.3.551 Not tainted syzkaller #0 PREEMPT(full) 
[  451.323820][ T8746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  451.323831][ T8746] Call Trace:
[  451.323839][ T8746]  <TASK>
[  451.323847][ T8746]  dump_stack_lvl+0x189/0x250
[  451.323875][ T8746]  ? __pfx_dump_stack_lvl+0x10/0x10
[  451.323897][ T8746]  ? __pfx_wake_up_bit+0x10/0x10
[  451.323927][ T8746]  gfs2_withdraw+0xc3/0x1b0
[  451.323948][ T8746]  gfs2_jdesc_check+0x17d/0x2f0
[  451.323974][ T8746]  check_journal_clean+0x158/0x310
[  451.323995][ T8746]  ? __pfx_check_journal_clean+0x10/0x10
[  451.324016][ T8746]  ? init_journal+0x19b3/0x2180
[  451.324042][ T8746]  ? do_raw_spin_unlock+0x122/0x240
[  451.324063][ T8746]  ? _raw_spin_unlock+0x28/0x50
[  451.324087][ T8746]  ? gfs2_jdesc_find+0xab/0xc0
[  451.324109][ T8746]  init_journal+0x19b3/0x2180
[  451.324137][ T8746]  ? init_inodes+0xdb/0x320
[  451.324155][ T8746]  ? vsnprintf+0x386/0xf00
[  451.324179][ T8746]  ? __pfx_init_journal+0x10/0x10
[  451.324196][ T8746]  ? vsnprintf+0xe11/0xf00
[  451.324229][ T8746]  ? snprintf+0xda/0x120
[  451.324252][ T8746]  ? init_inodes+0xdb/0x320
[  451.324270][ T8746]  ? __pfx_snprintf+0x10/0x10
[  451.324293][ T8746]  ? gfs2_glock_nq_num+0x13d/0x170
[  451.324317][ T8746]  init_inodes+0xdb/0x320
[  451.324338][ T8746]  gfs2_fill_super+0x1a52/0x2220
[  451.324372][ T8746]  ? __pfx_gfs2_fill_super+0x10/0x10
[  451.324393][ T8746]  ? init_locking+0xb8/0x210
[  451.324409][ T8746]  ? sb_set_blocksize+0x104/0x180
[  451.324437][ T8746]  ? setup_bdev_super+0x4c1/0x5b0
[  451.324460][ T8746]  get_tree_bdev_flags+0x40e/0x4d0
[  451.324479][ T8746]  ? __pfx_gfs2_fill_super+0x10/0x10
[  451.324494][ T8746]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  451.324508][ T8746]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  451.324536][ T8746]  gfs2_get_tree+0x51/0x1e0
[  451.324553][ T8746]  vfs_get_tree+0x92/0x2b0
[  451.324572][ T8746]  do_new_mount+0x302/0xa10
[  451.324589][ T8746]  ? apparmor_capable+0x137/0x1b0
[  451.324614][ T8746]  ? __pfx_do_new_mount+0x10/0x10
[  451.324632][ T8746]  ? ns_capable+0x8a/0xf0
[  451.324656][ T8746]  ? kmem_cache_free+0x19b/0x690
[  451.324682][ T8746]  __se_sys_mount+0x313/0x410
[  451.324709][ T8746]  ? __pfx___se_sys_mount+0x10/0x10
[  451.324734][ T8746]  ? do_syscall_64+0xbe/0xfa0
[  451.324750][ T8746]  ? __x64_sys_mount+0x20/0xc0
[  451.324772][ T8746]  do_syscall_64+0xfa/0xfa0
[  451.324789][ T8746]  ? lockdep_hardirqs_on+0x9c/0x150
[  451.324803][ T8746]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  451.324829][ T8746]  ? clear_bhb_loop+0x60/0xb0
[  451.324849][ T8746]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  451.324865][ T8746] RIP: 0033:0x7fa12dd9076a
[  451.324883][ T8746] 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
[  451.324897][ T8746] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  451.324917][ T8746] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  451.324929][ T8746] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  451.324942][ T8746] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  451.324954][ T8746] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  451.324966][ T8746] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  451.324996][ T8746]  </TASK>
[  451.325004][ T8746] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  451.676176][ T8751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  451.705418][ T8751] CPU: 1 UID: 0 PID: 8751 Comm: syz.4.552 Not tainted syzkaller #0 PREEMPT(full) 
[  451.705444][ T8751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  451.705455][ T8751] Call Trace:
[  451.705462][ T8751]  <TASK>
[  451.705471][ T8751]  dump_stack_lvl+0x189/0x250
[  451.705499][ T8751]  ? __pfx_dump_stack_lvl+0x10/0x10
[  451.705519][ T8751]  ? __pfx__printk+0x10/0x10
[  451.705542][ T8751]  ? kernfs_path_from_node+0x250/0x290
[  451.705559][ T8751]  ? kernfs_path_from_node+0x2f/0x290
[  451.705580][ T8751]  sysfs_create_dir_ns+0x259/0x280
[  451.705608][ T8751]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  451.705634][ T8751]  ? do_raw_spin_unlock+0x122/0x240
[  451.705658][ T8751]  kobject_add_internal+0x59f/0xb40
[  451.705687][ T8751]  kobject_init_and_add+0x125/0x190
[  451.705719][ T8751]  ? __pfx_kobject_init_and_add+0x10/0x10
[  451.705741][ T8751]  ? __raw_spin_lock_init+0x45/0x100
[  451.705761][ T8751]  ? __init_swait_queue_head+0xa9/0x150
[  451.705784][ T8751]  gfs2_sys_fs_add+0x234/0x450
[  451.705811][ T8751]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  451.705840][ T8751]  ? is_dynamic_key+0xd6/0x1c0
[  451.705860][ T8751]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  451.705894][ T8751]  gfs2_fill_super+0x13e5/0x2220
[  451.705929][ T8751]  ? __pfx_gfs2_fill_super+0x10/0x10
[  451.705952][ T8751]  ? sb_set_blocksize+0x104/0x180
[  451.705975][ T8751]  ? setup_bdev_super+0x4c1/0x5b0
[  451.705998][ T8751]  get_tree_bdev_flags+0x40e/0x4d0
[  451.706018][ T8751]  ? __pfx_gfs2_fill_super+0x10/0x10
[  451.706036][ T8751]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  451.706054][ T8751]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  451.706088][ T8751]  gfs2_get_tree+0x51/0x1e0
[  451.706110][ T8751]  vfs_get_tree+0x92/0x2b0
[  451.706132][ T8751]  do_new_mount+0x302/0xa10
[  451.706151][ T8751]  ? apparmor_capable+0x137/0x1b0
[  451.706180][ T8751]  ? __pfx_do_new_mount+0x10/0x10
[  451.706200][ T8751]  ? ns_capable+0x8a/0xf0
[  451.706226][ T8751]  ? kmem_cache_free+0x19b/0x690
[  451.706256][ T8751]  __se_sys_mount+0x313/0x410
[  451.706283][ T8751]  ? __pfx___se_sys_mount+0x10/0x10
[  451.706312][ T8751]  ? do_syscall_64+0xbe/0xfa0
[  451.706328][ T8751]  ? __x64_sys_mount+0x20/0xc0
[  451.706350][ T8751]  do_syscall_64+0xfa/0xfa0
[  451.706367][ T8751]  ? lockdep_hardirqs_on+0x9c/0x150
[  451.706384][ T8751]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  451.706402][ T8751]  ? clear_bhb_loop+0x60/0xb0
[  451.706423][ T8751]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  451.706440][ T8751] RIP: 0033:0x7f7be2b9076a
[  451.706456][ T8751] 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
[  451.706470][ T8751] RSP: 002b:00007f7be3ad0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  451.706489][ T8751] RAX: ffffffffffffffda RBX: 00007f7be3ad0ef0 RCX: 00007f7be2b9076a
[  451.706503][ T8751] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3ad0eb0
[  451.706515][ T8751] RBP: 0000200000000400 R08: 00007f7be3ad0ef0 R09: 0000000000200001
[  451.706527][ T8751] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  451.706539][ T8751] R13: 00007f7be3ad0eb0 R14: 00000000000125d5 R15: 0000200000000240
[  451.706569][ T8751]  </TASK>
[  451.706674][ T8751] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  452.051676][ T8751] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  452.282633][ T8756] loop1: detected capacity change from 0 to 32768
2025/10/22 23:34:56 executed programs: 550
[  452.346330][ T8756] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  452.431028][ T8756] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  452.475753][ T8756] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  452.483164][ T8758] loop2: detected capacity change from 0 to 32768
[  452.532077][ T8756] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  452.551746][ T8758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  452.559166][ T8758] CPU: 0 UID: 0 PID: 8758 Comm: syz.2.554 Not tainted syzkaller #0 PREEMPT(full) 
[  452.559192][ T8758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  452.559203][ T8758] Call Trace:
[  452.559211][ T8758]  <TASK>
[  452.559219][ T8758]  dump_stack_lvl+0x189/0x250
[  452.559248][ T8758]  ? __pfx_dump_stack_lvl+0x10/0x10
[  452.559346][ T8758]  ? __pfx__printk+0x10/0x10
[  452.559368][ T8758]  ? kernfs_path_from_node+0x250/0x290
[  452.559452][ T8758]  ? kernfs_path_from_node+0x2f/0x290
[  452.559469][ T8758]  sysfs_create_dir_ns+0x259/0x280
[  452.559495][ T8758]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  452.559519][ T8758]  ? do_raw_spin_unlock+0x122/0x240
[  452.559540][ T8758]  kobject_add_internal+0x59f/0xb40
[  452.559567][ T8758]  kobject_init_and_add+0x125/0x190
[  452.559590][ T8758]  ? __pfx_kobject_init_and_add+0x10/0x10
[  452.559609][ T8758]  ? __raw_spin_lock_init+0x45/0x100
[  452.559627][ T8758]  ? __init_swait_queue_head+0xa9/0x150
[  452.559646][ T8758]  gfs2_sys_fs_add+0x234/0x450
[  452.559671][ T8758]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  452.559698][ T8758]  ? is_dynamic_key+0xd6/0x1c0
[  452.559717][ T8758]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  452.559745][ T8758]  gfs2_fill_super+0x13e5/0x2220
[  452.559775][ T8758]  ? __pfx_gfs2_fill_super+0x10/0x10
[  452.559796][ T8758]  ? sb_set_blocksize+0x104/0x180
[  452.559816][ T8758]  ? setup_bdev_super+0x4c1/0x5b0
[  452.559839][ T8758]  get_tree_bdev_flags+0x40e/0x4d0
[  452.559859][ T8758]  ? __pfx_gfs2_fill_super+0x10/0x10
[  452.559878][ T8758]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  452.559894][ T8758]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  452.559923][ T8758]  gfs2_get_tree+0x51/0x1e0
[  452.559945][ T8758]  vfs_get_tree+0x92/0x2b0
[  452.559968][ T8758]  do_new_mount+0x302/0xa10
[  452.559987][ T8758]  ? apparmor_capable+0x137/0x1b0
[  452.560017][ T8758]  ? __pfx_do_new_mount+0x10/0x10
[  452.560039][ T8758]  ? ns_capable+0x8a/0xf0
[  452.560064][ T8758]  ? kmem_cache_free+0x19b/0x690
[  452.560093][ T8758]  __se_sys_mount+0x313/0x410
[  452.560118][ T8758]  ? __pfx___se_sys_mount+0x10/0x10
[  452.560143][ T8758]  ? do_syscall_64+0xbe/0xfa0
[  452.560159][ T8758]  ? __x64_sys_mount+0x20/0xc0
[  452.560180][ T8758]  do_syscall_64+0xfa/0xfa0
[  452.560194][ T8758]  ? lockdep_hardirqs_on+0x9c/0x150
[  452.560209][ T8758]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.560224][ T8758]  ? clear_bhb_loop+0x60/0xb0
[  452.560246][ T8758]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.560262][ T8758] RIP: 0033:0x7f45e4d9076a
[  452.560280][ T8758] 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
[  452.560292][ T8758] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  452.560310][ T8758] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  452.560323][ T8758] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  452.560334][ T8758] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  452.560346][ T8758] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  452.560357][ T8758] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  452.560415][ T8758]  </TASK>
[  452.879421][ T8756] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8756 [syz.1.553] init_journal+0x19b3/0x2180
[  452.889567][ T8756] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  452.897576][ T8756] CPU: 0 UID: 0 PID: 8756 Comm: syz.1.553 Not tainted syzkaller #0 PREEMPT(full) 
[  452.897601][ T8756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  452.897612][ T8756] Call Trace:
[  452.897619][ T8756]  <TASK>
[  452.897627][ T8756]  dump_stack_lvl+0x189/0x250
[  452.897655][ T8756]  ? __pfx_dump_stack_lvl+0x10/0x10
[  452.897677][ T8756]  ? __pfx_wake_up_bit+0x10/0x10
[  452.897698][ T8756]  ? __pfx_wake_bit_function+0x10/0x10
[  452.897721][ T8756]  gfs2_withdraw+0xc3/0x1b0
[  452.897742][ T8756]  gfs2_jdesc_check+0x17d/0x2f0
[  452.897768][ T8756]  check_journal_clean+0x158/0x310
[  452.897790][ T8756]  ? __pfx_check_journal_clean+0x10/0x10
[  452.897811][ T8756]  ? init_journal+0x19b3/0x2180
[  452.897837][ T8756]  ? do_raw_spin_unlock+0x122/0x240
[  452.897859][ T8756]  ? _raw_spin_unlock+0x28/0x50
[  452.897883][ T8756]  ? gfs2_jdesc_find+0xab/0xc0
[  452.897905][ T8756]  init_journal+0x19b3/0x2180
[  452.897934][ T8756]  ? init_inodes+0xdb/0x320
[  452.897952][ T8756]  ? vsnprintf+0x386/0xf00
[  452.897975][ T8756]  ? __pfx_init_journal+0x10/0x10
[  452.897993][ T8756]  ? vsnprintf+0xe11/0xf00
[  452.898025][ T8756]  ? snprintf+0xda/0x120
[  452.898049][ T8756]  ? init_inodes+0xdb/0x320
[  452.898067][ T8756]  ? __pfx_snprintf+0x10/0x10
[  452.898089][ T8756]  ? gfs2_glock_nq_num+0x13d/0x170
[  452.898113][ T8756]  init_inodes+0xdb/0x320
[  452.898134][ T8756]  gfs2_fill_super+0x1a52/0x2220
[  452.898168][ T8756]  ? __pfx_gfs2_fill_super+0x10/0x10
[  452.898190][ T8756]  ? init_locking+0xb8/0x210
[  452.898206][ T8756]  ? sb_set_blocksize+0x104/0x180
[  452.898228][ T8756]  ? setup_bdev_super+0x4c1/0x5b0
[  452.898250][ T8756]  get_tree_bdev_flags+0x40e/0x4d0
[  452.898270][ T8756]  ? __pfx_gfs2_fill_super+0x10/0x10
[  452.898288][ T8756]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  452.898305][ T8756]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  452.898339][ T8756]  gfs2_get_tree+0x51/0x1e0
[  452.898361][ T8756]  vfs_get_tree+0x92/0x2b0
[  452.898383][ T8756]  do_new_mount+0x302/0xa10
[  452.898402][ T8756]  ? apparmor_capable+0x137/0x1b0
[  452.898431][ T8756]  ? __pfx_do_new_mount+0x10/0x10
[  452.898451][ T8756]  ? ns_capable+0x8a/0xf0
[  452.898477][ T8756]  ? kmem_cache_free+0x19b/0x690
[  452.898508][ T8756]  __se_sys_mount+0x313/0x410
[  452.898540][ T8756]  ? __pfx___se_sys_mount+0x10/0x10
[  452.898566][ T8756]  ? do_syscall_64+0xbe/0xfa0
[  452.898581][ T8756]  ? __x64_sys_mount+0x20/0xc0
[  452.898604][ T8756]  do_syscall_64+0xfa/0xfa0
[  452.898621][ T8756]  ? lockdep_hardirqs_on+0x9c/0x150
[  452.898638][ T8756]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.898656][ T8756]  ? clear_bhb_loop+0x60/0xb0
[  452.898678][ T8756]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.898695][ T8756] RIP: 0033:0x7f95c379076a
[  452.898712][ T8756] 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
[  452.898727][ T8756] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  452.898746][ T8756] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  452.898760][ T8756] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  452.898772][ T8756] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  452.898784][ T8756] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  452.898796][ T8756] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  452.898826][ T8756]  </TASK>
[  452.898834][ T8756] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  452.979633][ T8758] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  453.164028][ T8763] loop0: detected capacity change from 0 to 32768
[  453.361064][ T8763] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  453.389686][ T8763] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  453.419972][ T8758] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  453.520709][ T8763] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  453.589530][ T8763] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  453.629595][ T8763] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8763 [syz.0.555] init_journal+0x19b3/0x2180
[  453.689544][ T8763] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  453.729554][ T8763] CPU: 1 UID: 0 PID: 8763 Comm: syz.0.555 Not tainted syzkaller #0 PREEMPT(full) 
[  453.729579][ T8763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  453.729590][ T8763] Call Trace:
[  453.729598][ T8763]  <TASK>
[  453.729606][ T8763]  dump_stack_lvl+0x189/0x250
[  453.729633][ T8763]  ? __pfx_dump_stack_lvl+0x10/0x10
[  453.729654][ T8763]  ? __pfx_wake_up_bit+0x10/0x10
[  453.729675][ T8763]  ? __pfx_wake_bit_function+0x10/0x10
[  453.729698][ T8763]  gfs2_withdraw+0xc3/0x1b0
[  453.729719][ T8763]  gfs2_jdesc_check+0x17d/0x2f0
[  453.729744][ T8763]  check_journal_clean+0x158/0x310
[  453.729766][ T8763]  ? __pfx_check_journal_clean+0x10/0x10
[  453.729787][ T8763]  ? init_journal+0x19b3/0x2180
[  453.729813][ T8763]  ? do_raw_spin_unlock+0x122/0x240
[  453.729836][ T8763]  ? _raw_spin_unlock+0x28/0x50
[  453.729859][ T8763]  ? gfs2_jdesc_find+0xab/0xc0
[  453.729881][ T8763]  init_journal+0x19b3/0x2180
[  453.729909][ T8763]  ? init_inodes+0xdb/0x320
[  453.729927][ T8763]  ? vsnprintf+0x386/0xf00
[  453.729952][ T8763]  ? __pfx_init_journal+0x10/0x10
[  453.729969][ T8763]  ? vsnprintf+0xe11/0xf00
[  453.730001][ T8763]  ? snprintf+0xda/0x120
[  453.730025][ T8763]  ? init_inodes+0xdb/0x320
[  453.730042][ T8763]  ? __pfx_snprintf+0x10/0x10
[  453.730065][ T8763]  ? gfs2_glock_nq_num+0x13d/0x170
[  453.730089][ T8763]  init_inodes+0xdb/0x320
[  453.730110][ T8763]  gfs2_fill_super+0x1a52/0x2220
[  453.730144][ T8763]  ? __pfx_gfs2_fill_super+0x10/0x10
[  453.730166][ T8763]  ? init_locking+0xb8/0x210
[  453.730182][ T8763]  ? sb_set_blocksize+0x104/0x180
[  453.730202][ T8763]  ? setup_bdev_super+0x4c1/0x5b0
[  453.730226][ T8763]  get_tree_bdev_flags+0x40e/0x4d0
[  453.730246][ T8763]  ? __pfx_gfs2_fill_super+0x10/0x10
[  453.730264][ T8763]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  453.730282][ T8763]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  453.730315][ T8763]  gfs2_get_tree+0x51/0x1e0
[  453.730336][ T8763]  vfs_get_tree+0x92/0x2b0
[  453.730358][ T8763]  do_new_mount+0x302/0xa10
[  453.730377][ T8763]  ? apparmor_capable+0x137/0x1b0
[  453.730405][ T8763]  ? __pfx_do_new_mount+0x10/0x10
[  453.730425][ T8763]  ? ns_capable+0x8a/0xf0
[  453.730458][ T8763]  ? kmem_cache_free+0x19b/0x690
[  453.730489][ T8763]  __se_sys_mount+0x313/0x410
[  453.730517][ T8763]  ? __pfx___se_sys_mount+0x10/0x10
[  453.730541][ T8763]  ? do_syscall_64+0xbe/0xfa0
[  453.730557][ T8763]  ? __x64_sys_mount+0x20/0xc0
[  453.730579][ T8763]  do_syscall_64+0xfa/0xfa0
[  453.730595][ T8763]  ? lockdep_hardirqs_on+0x9c/0x150
[  453.730613][ T8763]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.730631][ T8763]  ? clear_bhb_loop+0x60/0xb0
[  453.730652][ T8763]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.730669][ T8763] RIP: 0033:0x7f6d4219076a
[  453.730686][ T8763] 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
[  453.730700][ T8763] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  453.730720][ T8763] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  453.730733][ T8763] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  453.730746][ T8763] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  453.730758][ T8763] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  453.730770][ T8763] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  453.730801][ T8763]  </TASK>
[  453.730809][ T8763] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  454.088319][ T8766] loop3: detected capacity change from 0 to 32768
[  454.139748][ T8766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  454.147261][ T8766] CPU: 1 UID: 0 PID: 8766 Comm: syz.3.556 Not tainted syzkaller #0 PREEMPT(full) 
[  454.147283][ T8766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  454.147293][ T8766] Call Trace:
[  454.147301][ T8766]  <TASK>
[  454.147308][ T8766]  dump_stack_lvl+0x189/0x250
[  454.147335][ T8766]  ? __pfx_dump_stack_lvl+0x10/0x10
[  454.147355][ T8766]  ? __pfx__printk+0x10/0x10
[  454.147378][ T8766]  ? kernfs_path_from_node+0x250/0x290
[  454.147400][ T8766]  ? kernfs_path_from_node+0x2f/0x290
[  454.147420][ T8766]  sysfs_create_dir_ns+0x259/0x280
[  454.147445][ T8766]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  454.147470][ T8766]  ? do_raw_spin_unlock+0x122/0x240
[  454.147491][ T8766]  kobject_add_internal+0x59f/0xb40
[  454.147517][ T8766]  kobject_init_and_add+0x125/0x190
[  454.147538][ T8766]  ? __pfx_kobject_init_and_add+0x10/0x10
[  454.147557][ T8766]  ? __raw_spin_lock_init+0x45/0x100
[  454.147576][ T8766]  ? __init_swait_queue_head+0xa9/0x150
[  454.147596][ T8766]  gfs2_sys_fs_add+0x234/0x450
[  454.147618][ T8766]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  454.147643][ T8766]  ? is_dynamic_key+0xd6/0x1c0
[  454.147662][ T8766]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  454.147695][ T8766]  gfs2_fill_super+0x13e5/0x2220
[  454.147726][ T8766]  ? __pfx_gfs2_fill_super+0x10/0x10
[  454.147749][ T8766]  ? sb_set_blocksize+0x104/0x180
[  454.147770][ T8766]  ? setup_bdev_super+0x4c1/0x5b0
[  454.147792][ T8766]  get_tree_bdev_flags+0x40e/0x4d0
[  454.147811][ T8766]  ? __pfx_gfs2_fill_super+0x10/0x10
[  454.147828][ T8766]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  454.147844][ T8766]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  454.147876][ T8766]  gfs2_get_tree+0x51/0x1e0
[  454.147897][ T8766]  vfs_get_tree+0x92/0x2b0
[  454.147918][ T8766]  do_new_mount+0x302/0xa10
[  454.147934][ T8766]  ? apparmor_capable+0x137/0x1b0
[  454.147961][ T8766]  ? __pfx_do_new_mount+0x10/0x10
[  454.147981][ T8766]  ? ns_capable+0x8a/0xf0
[  454.148007][ T8766]  ? kmem_cache_free+0x19b/0x690
[  454.148038][ T8766]  __se_sys_mount+0x313/0x410
[  454.148064][ T8766]  ? __pfx___se_sys_mount+0x10/0x10
[  454.148088][ T8766]  ? do_syscall_64+0xbe/0xfa0
[  454.148103][ T8766]  ? __x64_sys_mount+0x20/0xc0
[  454.148124][ T8766]  do_syscall_64+0xfa/0xfa0
[  454.148140][ T8766]  ? lockdep_hardirqs_on+0x9c/0x150
[  454.148156][ T8766]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  454.148173][ T8766]  ? clear_bhb_loop+0x60/0xb0
[  454.148192][ T8766]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  454.148208][ T8766] RIP: 0033:0x7fa12dd9076a
[  454.148225][ T8766] 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
[  454.148238][ T8766] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  454.148256][ T8766] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  454.148268][ T8766] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  454.148280][ T8766] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  454.148291][ T8766] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  454.148302][ T8766] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  454.148332][ T8766]  </TASK>
[  454.148358][ T8766] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  454.484436][ T8766] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  454.599118][ T8770] loop4: detected capacity change from 0 to 32768
[  454.671449][ T8770] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  454.736913][ T8770] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  454.805274][ T8770] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  454.813629][ T8778] loop2: detected capacity change from 0 to 32768
[  454.870160][ T8770] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  454.882602][ T8778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  454.892546][ T8778] CPU: 1 UID: 0 PID: 8778 Comm: syz.2.559 Not tainted syzkaller #0 PREEMPT(full) 
[  454.892572][ T8778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  454.892582][ T8778] Call Trace:
[  454.892590][ T8778]  <TASK>
[  454.892598][ T8778]  dump_stack_lvl+0x189/0x250
[  454.892625][ T8778]  ? __pfx_dump_stack_lvl+0x10/0x10
[  454.892644][ T8778]  ? __pfx__printk+0x10/0x10
[  454.892669][ T8778]  ? kernfs_path_from_node+0x250/0x290
[  454.892686][ T8778]  ? kernfs_path_from_node+0x2f/0x290
[  454.892707][ T8778]  sysfs_create_dir_ns+0x259/0x280
[  454.892735][ T8778]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  454.892761][ T8778]  ? do_raw_spin_unlock+0x122/0x240
[  454.892784][ T8778]  kobject_add_internal+0x59f/0xb40
[  454.892814][ T8778]  kobject_init_and_add+0x125/0x190
[  454.892840][ T8778]  ? __pfx_kobject_init_and_add+0x10/0x10
[  454.892862][ T8778]  ? __raw_spin_lock_init+0x45/0x100
[  454.892882][ T8778]  ? __init_swait_queue_head+0xa9/0x150
[  454.892905][ T8778]  gfs2_sys_fs_add+0x234/0x450
[  454.892931][ T8778]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  454.892961][ T8778]  ? is_dynamic_key+0xd6/0x1c0
[  454.892981][ T8778]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  454.893014][ T8778]  gfs2_fill_super+0x13e5/0x2220
[  454.893050][ T8778]  ? __pfx_gfs2_fill_super+0x10/0x10
[  454.893073][ T8778]  ? sb_set_blocksize+0x104/0x180
[  454.893096][ T8778]  ? setup_bdev_super+0x4c1/0x5b0
[  454.893120][ T8778]  get_tree_bdev_flags+0x40e/0x4d0
[  454.893139][ T8778]  ? __pfx_gfs2_fill_super+0x10/0x10
[  454.893157][ T8778]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  454.893173][ T8778]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  454.893205][ T8778]  gfs2_get_tree+0x51/0x1e0
[  454.893225][ T8778]  vfs_get_tree+0x92/0x2b0
[  454.893246][ T8778]  do_new_mount+0x302/0xa10
[  454.893266][ T8778]  ? apparmor_capable+0x137/0x1b0
[  454.893293][ T8778]  ? __pfx_do_new_mount+0x10/0x10
[  454.893313][ T8778]  ? ns_capable+0x8a/0xf0
[  454.893340][ T8778]  ? kmem_cache_free+0x19b/0x690
[  454.893371][ T8778]  __se_sys_mount+0x313/0x410
[  454.893404][ T8778]  ? __pfx___se_sys_mount+0x10/0x10
[  454.893429][ T8778]  ? do_syscall_64+0xbe/0xfa0
[  454.893445][ T8778]  ? __x64_sys_mount+0x20/0xc0
[  454.893467][ T8778]  do_syscall_64+0xfa/0xfa0
[  454.893483][ T8778]  ? lockdep_hardirqs_on+0x9c/0x150
[  454.893500][ T8778]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  454.893517][ T8778]  ? clear_bhb_loop+0x60/0xb0
[  454.893538][ T8778]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  454.893554][ T8778] RIP: 0033:0x7f45e4d9076a
[  454.893571][ T8778] 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
[  454.893586][ T8778] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  454.893605][ T8778] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  454.893619][ T8778] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  454.893632][ T8778] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  454.893645][ T8778] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  454.893656][ T8778] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  454.893688][ T8778]  </TASK>
[  454.893713][ T8778] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  454.959853][ T8770] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8770 [syz.4.557] init_journal+0x19b3/0x2180
[  454.977226][ T8776] loop1: detected capacity change from 0 to 32768
[  455.031353][ T8770] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  455.031389][ T8770] CPU: 0 UID: 0 PID: 8770 Comm: syz.4.557 Not tainted syzkaller #0 PREEMPT(full) 
[  455.031409][ T8770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  455.031420][ T8770] Call Trace:
[  455.031429][ T8770]  <TASK>
[  455.031436][ T8770]  dump_stack_lvl+0x189/0x250
[  455.031462][ T8770]  ? __pfx_dump_stack_lvl+0x10/0x10
[  455.031484][ T8770]  ? __pfx_wake_up_bit+0x10/0x10
[  455.031514][ T8770]  gfs2_withdraw+0xc3/0x1b0
[  455.031534][ T8770]  gfs2_jdesc_check+0x17d/0x2f0
[  455.031561][ T8770]  check_journal_clean+0x158/0x310
[  455.031581][ T8770]  ? __pfx_check_journal_clean+0x10/0x10
[  455.031602][ T8770]  ? init_journal+0x19b3/0x2180
[  455.031628][ T8770]  ? do_raw_spin_unlock+0x122/0x240
[  455.031647][ T8770]  ? _raw_spin_unlock+0x28/0x50
[  455.031668][ T8770]  ? gfs2_jdesc_find+0xab/0xc0
[  455.031689][ T8770]  init_journal+0x19b3/0x2180
[  455.031717][ T8770]  ? init_inodes+0xdb/0x320
[  455.031734][ T8770]  ? vsnprintf+0x386/0xf00
[  455.031757][ T8770]  ? __pfx_init_journal+0x10/0x10
[  455.031774][ T8770]  ? vsnprintf+0xe11/0xf00
[  455.031802][ T8770]  ? snprintf+0xda/0x120
[  455.031825][ T8770]  ? init_inodes+0xdb/0x320
[  455.031842][ T8770]  ? __pfx_snprintf+0x10/0x10
[  455.031864][ T8770]  ? gfs2_glock_nq_num+0x13d/0x170
[  455.031887][ T8770]  init_inodes+0xdb/0x320
[  455.031907][ T8770]  gfs2_fill_super+0x1a52/0x2220
[  455.031940][ T8770]  ? __pfx_gfs2_fill_super+0x10/0x10
[  455.031960][ T8770]  ? init_locking+0xb8/0x210
[  455.031976][ T8770]  ? sb_set_blocksize+0x104/0x180
[  455.031997][ T8770]  ? setup_bdev_super+0x4c1/0x5b0
[  455.032020][ T8770]  get_tree_bdev_flags+0x40e/0x4d0
[  455.032039][ T8770]  ? __pfx_gfs2_fill_super+0x10/0x10
[  455.032056][ T8770]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  455.032073][ T8770]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  455.032116][ T8770]  gfs2_get_tree+0x51/0x1e0
[  455.032136][ T8770]  vfs_get_tree+0x92/0x2b0
[  455.032157][ T8770]  do_new_mount+0x302/0xa10
[  455.032174][ T8770]  ? apparmor_capable+0x137/0x1b0
[  455.032202][ T8770]  ? __pfx_do_new_mount+0x10/0x10
[  455.032221][ T8770]  ? ns_capable+0x8a/0xf0
[  455.032246][ T8770]  ? kmem_cache_free+0x19b/0x690
[  455.032275][ T8770]  __se_sys_mount+0x313/0x410
[  455.032301][ T8770]  ? __pfx___se_sys_mount+0x10/0x10
[  455.032325][ T8770]  ? do_syscall_64+0xbe/0xfa0
[  455.032340][ T8770]  ? __x64_sys_mount+0x20/0xc0
[  455.032362][ T8770]  do_syscall_64+0xfa/0xfa0
[  455.032377][ T8770]  ? lockdep_hardirqs_on+0x9c/0x150
[  455.032394][ T8770]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.032411][ T8770]  ? clear_bhb_loop+0x60/0xb0
[  455.032432][ T8770]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.032448][ T8770] RIP: 0033:0x7f7be2b9076a
[  455.032464][ T8770] 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
[  455.032478][ T8770] RSP: 002b:00007f7be3ad0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  455.032496][ T8770] RAX: ffffffffffffffda RBX: 00007f7be3ad0ef0 RCX: 00007f7be2b9076a
[  455.032509][ T8770] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3ad0eb0
[  455.032521][ T8770] RBP: 0000200000000400 R08: 00007f7be3ad0ef0 R09: 0000000000200001
[  455.032533][ T8770] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  455.032544][ T8770] R13: 00007f7be3ad0eb0 R14: 00000000000125d5 R15: 0000200000000240
[  455.032573][ T8770]  </TASK>
[  455.032580][ T8770] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  455.169719][ T8778] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  455.228374][ T8776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  455.679537][ T8776] CPU: 0 UID: 0 PID: 8776 Comm: syz.1.558 Not tainted syzkaller #0 PREEMPT(full) 
[  455.679562][ T8776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  455.679572][ T8776] Call Trace:
[  455.679579][ T8776]  <TASK>
[  455.679587][ T8776]  dump_stack_lvl+0x189/0x250
[  455.679613][ T8776]  ? __pfx_dump_stack_lvl+0x10/0x10
[  455.679630][ T8776]  ? __pfx__printk+0x10/0x10
[  455.679652][ T8776]  ? kernfs_path_from_node+0x250/0x290
[  455.679667][ T8776]  ? kernfs_path_from_node+0x2f/0x290
[  455.679686][ T8776]  sysfs_create_dir_ns+0x259/0x280
[  455.679711][ T8776]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  455.679735][ T8776]  ? do_raw_spin_unlock+0x122/0x240
[  455.679756][ T8776]  kobject_add_internal+0x59f/0xb40
[  455.679784][ T8776]  kobject_init_and_add+0x125/0x190
[  455.679808][ T8776]  ? __pfx_kobject_init_and_add+0x10/0x10
[  455.679827][ T8776]  ? __raw_spin_lock_init+0x45/0x100
[  455.679846][ T8776]  ? __init_swait_queue_head+0xa9/0x150
[  455.679866][ T8776]  gfs2_sys_fs_add+0x234/0x450
[  455.679890][ T8776]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  455.679917][ T8776]  ? is_dynamic_key+0xd6/0x1c0
[  455.679935][ T8776]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  455.679967][ T8776]  gfs2_fill_super+0x13e5/0x2220
[  455.679999][ T8776]  ? __pfx_gfs2_fill_super+0x10/0x10
[  455.680020][ T8776]  ? sb_set_blocksize+0x104/0x180
[  455.680041][ T8776]  ? setup_bdev_super+0x4c1/0x5b0
[  455.680062][ T8776]  get_tree_bdev_flags+0x40e/0x4d0
[  455.680080][ T8776]  ? __pfx_gfs2_fill_super+0x10/0x10
[  455.680096][ T8776]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  455.680112][ T8776]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  455.680152][ T8776]  gfs2_get_tree+0x51/0x1e0
[  455.680171][ T8776]  vfs_get_tree+0x92/0x2b0
[  455.680191][ T8776]  do_new_mount+0x302/0xa10
[  455.680209][ T8776]  ? apparmor_capable+0x137/0x1b0
[  455.680234][ T8776]  ? __pfx_do_new_mount+0x10/0x10
[  455.680252][ T8776]  ? ns_capable+0x8a/0xf0
[  455.680275][ T8776]  ? kmem_cache_free+0x19b/0x690
[  455.680304][ T8776]  __se_sys_mount+0x313/0x410
[  455.680328][ T8776]  ? __pfx___se_sys_mount+0x10/0x10
[  455.680351][ T8776]  ? do_syscall_64+0xbe/0xfa0
[  455.680365][ T8776]  ? __x64_sys_mount+0x20/0xc0
[  455.680386][ T8776]  do_syscall_64+0xfa/0xfa0
[  455.680400][ T8776]  ? lockdep_hardirqs_on+0x9c/0x150
[  455.680417][ T8776]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.680433][ T8776]  ? clear_bhb_loop+0x60/0xb0
[  455.680452][ T8776]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.680467][ T8776] RIP: 0033:0x7f95c379076a
[  455.680484][ T8776] 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
[  455.680497][ T8776] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  455.680515][ T8776] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  455.680527][ T8776] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  455.680538][ T8776] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  455.680549][ T8776] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  455.680559][ T8776] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  455.680587][ T8776]  </TASK>
[  455.680619][ T8776] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  456.039938][ T8776] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  456.714505][ T8786] loop0: detected capacity change from 0 to 32768
[  456.761907][ T8788] loop3: detected capacity change from 0 to 32768
[  456.770225][ T8786] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  456.798888][ T8786] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  456.836857][ T8786] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  456.873167][ T8788] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  456.893044][ T8786] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  456.902765][ T8786] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8786 [syz.0.560] init_journal+0x19b3/0x2180
[  456.907482][ T8792] loop2: detected capacity change from 0 to 32768
[  456.916926][ T8786] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  456.928494][ T8786] CPU: 0 UID: 0 PID: 8786 Comm: syz.0.560 Not tainted syzkaller #0 PREEMPT(full) 
[  456.928518][ T8786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  456.928529][ T8786] Call Trace:
[  456.928537][ T8786]  <TASK>
[  456.928546][ T8786]  dump_stack_lvl+0x189/0x250
[  456.928573][ T8786]  ? __pfx_dump_stack_lvl+0x10/0x10
[  456.928593][ T8786]  ? __pfx_wake_up_bit+0x10/0x10
[  456.928613][ T8786]  ? __pfx_wake_bit_function+0x10/0x10
[  456.928637][ T8786]  gfs2_withdraw+0xc3/0x1b0
[  456.928658][ T8786]  gfs2_jdesc_check+0x17d/0x2f0
[  456.928683][ T8786]  check_journal_clean+0x158/0x310
[  456.928705][ T8786]  ? __pfx_check_journal_clean+0x10/0x10
[  456.928726][ T8786]  ? init_journal+0x19b3/0x2180
[  456.928752][ T8786]  ? do_raw_spin_unlock+0x122/0x240
[  456.928774][ T8786]  ? _raw_spin_unlock+0x28/0x50
[  456.928799][ T8786]  ? gfs2_jdesc_find+0xab/0xc0
[  456.928820][ T8786]  init_journal+0x19b3/0x2180
[  456.928849][ T8786]  ? init_inodes+0xdb/0x320
[  456.928867][ T8786]  ? vsnprintf+0x386/0xf00
[  456.928891][ T8786]  ? __pfx_init_journal+0x10/0x10
[  456.928932][ T8786]  ? vsnprintf+0xe11/0xf00
[  456.928965][ T8786]  ? snprintf+0xda/0x120
[  456.928989][ T8786]  ? init_inodes+0xdb/0x320
[  456.929006][ T8786]  ? __pfx_snprintf+0x10/0x10
[  456.929036][ T8786]  ? gfs2_glock_nq_num+0x13d/0x170
[  456.929060][ T8786]  init_inodes+0xdb/0x320
[  456.929080][ T8786]  gfs2_fill_super+0x1a52/0x2220
[  456.929114][ T8786]  ? __pfx_gfs2_fill_super+0x10/0x10
[  456.929136][ T8786]  ? init_locking+0xb8/0x210
[  456.929152][ T8786]  ? sb_set_blocksize+0x104/0x180
[  456.929174][ T8786]  ? setup_bdev_super+0x4c1/0x5b0
[  456.929198][ T8786]  get_tree_bdev_flags+0x40e/0x4d0
[  456.929217][ T8786]  ? __pfx_gfs2_fill_super+0x10/0x10
[  456.929235][ T8786]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  456.929252][ T8786]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  456.929286][ T8786]  gfs2_get_tree+0x51/0x1e0
[  456.929307][ T8786]  vfs_get_tree+0x92/0x2b0
[  456.929329][ T8786]  do_new_mount+0x302/0xa10
[  456.929348][ T8786]  ? apparmor_capable+0x137/0x1b0
[  456.929376][ T8786]  ? __pfx_do_new_mount+0x10/0x10
[  456.929396][ T8786]  ? ns_capable+0x8a/0xf0
[  456.929422][ T8786]  ? kmem_cache_free+0x19b/0x690
[  456.929458][ T8786]  __se_sys_mount+0x313/0x410
[  456.929486][ T8786]  ? __pfx___se_sys_mount+0x10/0x10
[  456.929505][ T8786]  ? do_syscall_64+0xbe/0xfa0
[  456.929519][ T8786]  ? __x64_sys_mount+0x20/0xc0
[  456.929539][ T8786]  do_syscall_64+0xfa/0xfa0
[  456.929554][ T8786]  ? lockdep_hardirqs_on+0x9c/0x150
[  456.929569][ T8786]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.929585][ T8786]  ? clear_bhb_loop+0x60/0xb0
[  456.929606][ T8786]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.929623][ T8786] RIP: 0033:0x7f6d4219076a
[  456.929640][ T8786] 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
[  456.929653][ T8786] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  456.929672][ T8786] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  456.929685][ T8786] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  456.929698][ T8786] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  456.929710][ T8786] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  456.929722][ T8786] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  456.929753][ T8786]  </TASK>
[  457.282893][ T8788] CPU: 0 UID: 0 PID: 8788 Comm: syz.3.561 Not tainted syzkaller #0 PREEMPT(full) 
[  457.282919][ T8788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  457.282930][ T8788] Call Trace:
[  457.282938][ T8788]  <TASK>
[  457.282946][ T8788]  dump_stack_lvl+0x189/0x250
[  457.282974][ T8788]  ? __pfx_dump_stack_lvl+0x10/0x10
[  457.282992][ T8788]  ? __pfx__printk+0x10/0x10
[  457.283016][ T8788]  ? kernfs_path_from_node+0x250/0x290
[  457.283033][ T8788]  ? kernfs_path_from_node+0x2f/0x290
[  457.283053][ T8788]  sysfs_create_dir_ns+0x259/0x280
[  457.283079][ T8788]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  457.283105][ T8788]  ? do_raw_spin_unlock+0x122/0x240
[  457.283128][ T8788]  kobject_add_internal+0x59f/0xb40
[  457.283157][ T8788]  kobject_init_and_add+0x125/0x190
[  457.283183][ T8788]  ? __pfx_kobject_init_and_add+0x10/0x10
[  457.283204][ T8788]  ? __raw_spin_lock_init+0x45/0x100
[  457.283223][ T8788]  ? __init_swait_queue_head+0xa9/0x150
[  457.283243][ T8788]  gfs2_sys_fs_add+0x234/0x450
[  457.283268][ T8788]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  457.283296][ T8788]  ? is_dynamic_key+0xd6/0x1c0
[  457.283315][ T8788]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  457.283345][ T8788]  gfs2_fill_super+0x13e5/0x2220
[  457.283378][ T8788]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.283398][ T8788]  ? sb_set_blocksize+0x104/0x180
[  457.283418][ T8788]  ? setup_bdev_super+0x4c1/0x5b0
[  457.283438][ T8788]  get_tree_bdev_flags+0x40e/0x4d0
[  457.283456][ T8788]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.283472][ T8788]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  457.283488][ T8788]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  457.283520][ T8788]  gfs2_get_tree+0x51/0x1e0
[  457.283542][ T8788]  vfs_get_tree+0x92/0x2b0
[  457.283563][ T8788]  do_new_mount+0x302/0xa10
[  457.283582][ T8788]  ? apparmor_capable+0x137/0x1b0
[  457.283608][ T8788]  ? __pfx_do_new_mount+0x10/0x10
[  457.283625][ T8788]  ? ns_capable+0x8a/0xf0
[  457.283649][ T8788]  ? kmem_cache_free+0x19b/0x690
[  457.283677][ T8788]  __se_sys_mount+0x313/0x410
[  457.283701][ T8788]  ? __pfx___se_sys_mount+0x10/0x10
[  457.283725][ T8788]  ? do_syscall_64+0xbe/0xfa0
[  457.283741][ T8788]  ? __x64_sys_mount+0x20/0xc0
[  457.283762][ T8788]  do_syscall_64+0xfa/0xfa0
[  457.283778][ T8788]  ? lockdep_hardirqs_on+0x9c/0x150
[  457.283796][ T8788]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.283813][ T8788]  ? clear_bhb_loop+0x60/0xb0
[  457.283835][ T8788]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.283851][ T8788] RIP: 0033:0x7fa12dd9076a
[  457.283868][ T8788] 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
[  457.283889][ T8788] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  457.283910][ T8788] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  457.283923][ T8788] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  457.283936][ T8788] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  457.283948][ T8788] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  457.283959][ T8788] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  457.283989][ T8788]  </TASK>
[  457.284014][ T8788] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  457.329678][ T8786] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  457.330578][ T8788] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  457.552452][ T8792] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  457.660027][ T8792] CPU: 0 UID: 0 PID: 8792 Comm: syz.2.562 Not tainted syzkaller #0 PREEMPT(full) 
[  457.660053][ T8792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  457.660064][ T8792] Call Trace:
[  457.660072][ T8792]  <TASK>
[  457.660081][ T8792]  dump_stack_lvl+0x189/0x250
[  457.660105][ T8792]  ? __pfx_dump_stack_lvl+0x10/0x10
[  457.660123][ T8792]  ? __pfx__printk+0x10/0x10
[  457.660148][ T8792]  ? kernfs_path_from_node+0x250/0x290
[  457.660163][ T8792]  ? kernfs_path_from_node+0x2f/0x290
[  457.660182][ T8792]  sysfs_create_dir_ns+0x259/0x280
[  457.660209][ T8792]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  457.660233][ T8792]  ? do_raw_spin_unlock+0x122/0x240
[  457.660255][ T8792]  kobject_add_internal+0x59f/0xb40
[  457.660284][ T8792]  kobject_init_and_add+0x125/0x190
[  457.660308][ T8792]  ? __pfx_kobject_init_and_add+0x10/0x10
[  457.660327][ T8792]  ? __raw_spin_lock_init+0x45/0x100
[  457.660347][ T8792]  ? __init_swait_queue_head+0xa9/0x150
[  457.660368][ T8792]  gfs2_sys_fs_add+0x234/0x450
[  457.660392][ T8792]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  457.660415][ T8792]  ? is_dynamic_key+0xd6/0x1c0
[  457.660435][ T8792]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  457.660467][ T8792]  gfs2_fill_super+0x13e5/0x2220
[  457.660502][ T8792]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.660526][ T8792]  ? sb_set_blocksize+0x104/0x180
[  457.660548][ T8792]  ? setup_bdev_super+0x4c1/0x5b0
[  457.660572][ T8792]  get_tree_bdev_flags+0x40e/0x4d0
[  457.660592][ T8792]  ? __pfx_gfs2_fill_super+0x10/0x10
[  457.660611][ T8792]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  457.660627][ T8792]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  457.660660][ T8792]  gfs2_get_tree+0x51/0x1e0
[  457.660681][ T8792]  vfs_get_tree+0x92/0x2b0
[  457.660701][ T8792]  do_new_mount+0x302/0xa10
[  457.660720][ T8792]  ? apparmor_capable+0x137/0x1b0
[  457.660747][ T8792]  ? __pfx_do_new_mount+0x10/0x10
[  457.660767][ T8792]  ? ns_capable+0x8a/0xf0
[  457.660791][ T8792]  ? kmem_cache_free+0x19b/0x690
[  457.660824][ T8792]  __se_sys_mount+0x313/0x410
[  457.660852][ T8792]  ? __pfx___se_sys_mount+0x10/0x10
[  457.660878][ T8792]  ? do_syscall_64+0xbe/0xfa0
[  457.660895][ T8792]  ? __x64_sys_mount+0x20/0xc0
[  457.660919][ T8792]  do_syscall_64+0xfa/0xfa0
[  457.660935][ T8792]  ? lockdep_hardirqs_on+0x9c/0x150
[  457.660963][ T8792]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.660981][ T8792]  ? clear_bhb_loop+0x60/0xb0
[  457.661001][ T8792]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.661017][ T8792] RIP: 0033:0x7f45e4d9076a
[  457.661034][ T8792] 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
[  457.661049][ T8792] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  457.661068][ T8792] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  457.661082][ T8792] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  457.661096][ T8792] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  457.661109][ T8792] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  457.661122][ T8792] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  457.661155][ T8792]  </TASK>
[  457.661182][ T8792] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  457.711999][ T8794] loop4: detected capacity change from 0 to 32768
[  458.049506][ T8792] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  458.136853][ T8796] loop1: detected capacity change from 0 to 32768
[  458.149020][ T8794] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  458.176642][ T8796] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
2025/10/22 23:35:02 executed programs: 558
[  458.234792][ T8796] CPU: 1 UID: 0 PID: 8796 Comm: syz.1.564 Not tainted syzkaller #0 PREEMPT(full) 
[  458.234818][ T8796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  458.234828][ T8796] Call Trace:
[  458.234836][ T8796]  <TASK>
[  458.234844][ T8796]  dump_stack_lvl+0x189/0x250
[  458.234872][ T8796]  ? __pfx_dump_stack_lvl+0x10/0x10
[  458.234889][ T8796]  ? __pfx__printk+0x10/0x10
[  458.234913][ T8796]  ? kernfs_path_from_node+0x250/0x290
[  458.234929][ T8796]  ? kernfs_path_from_node+0x2f/0x290
[  458.234948][ T8796]  sysfs_create_dir_ns+0x259/0x280
[  458.234975][ T8796]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  458.235002][ T8796]  ? do_raw_spin_unlock+0x122/0x240
[  458.235025][ T8796]  kobject_add_internal+0x59f/0xb40
[  458.235061][ T8796]  kobject_init_and_add+0x125/0x190
[  458.235088][ T8796]  ? __pfx_kobject_init_and_add+0x10/0x10
[  458.235109][ T8796]  ? __raw_spin_lock_init+0x45/0x100
[  458.235129][ T8796]  ? __init_swait_queue_head+0xa9/0x150
[  458.235150][ T8796]  gfs2_sys_fs_add+0x234/0x450
[  458.235175][ T8796]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  458.235202][ T8796]  ? is_dynamic_key+0xd6/0x1c0
[  458.235222][ T8796]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  458.235256][ T8796]  gfs2_fill_super+0x13e5/0x2220
[  458.235291][ T8796]  ? __pfx_gfs2_fill_super+0x10/0x10
[  458.235314][ T8796]  ? sb_set_blocksize+0x104/0x180
[  458.235336][ T8796]  ? setup_bdev_super+0x4c1/0x5b0
[  458.235360][ T8796]  get_tree_bdev_flags+0x40e/0x4d0
[  458.235381][ T8796]  ? __pfx_gfs2_fill_super+0x10/0x10
[  458.235399][ T8796]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  458.235417][ T8796]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  458.235451][ T8796]  gfs2_get_tree+0x51/0x1e0
[  458.235472][ T8796]  vfs_get_tree+0x92/0x2b0
[  458.235495][ T8796]  do_new_mount+0x302/0xa10
[  458.235514][ T8796]  ? apparmor_capable+0x137/0x1b0
[  458.235541][ T8796]  ? __pfx_do_new_mount+0x10/0x10
[  458.235561][ T8796]  ? ns_capable+0x8a/0xf0
[  458.235587][ T8796]  ? kmem_cache_free+0x19b/0x690
[  458.235617][ T8796]  __se_sys_mount+0x313/0x410
[  458.235643][ T8796]  ? __pfx___se_sys_mount+0x10/0x10
[  458.235668][ T8796]  ? do_syscall_64+0xbe/0xfa0
[  458.235685][ T8796]  ? __x64_sys_mount+0x20/0xc0
[  458.235707][ T8796]  do_syscall_64+0xfa/0xfa0
[  458.235724][ T8796]  ? lockdep_hardirqs_on+0x9c/0x150
[  458.235741][ T8796]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.235768][ T8796]  ? clear_bhb_loop+0x60/0xb0
[  458.235789][ T8796]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.235806][ T8796] RIP: 0033:0x7f95c379076a
[  458.235823][ T8796] 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
[  458.235839][ T8796] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  458.235859][ T8796] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  458.235872][ T8796] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  458.235884][ T8796] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  458.235896][ T8796] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  458.235908][ T8796] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  458.235940][ T8796]  </TASK>
[  458.235967][ T8796] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  458.289653][ T8794] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  458.294298][ T8796] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  458.660536][ T8794] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  458.744262][ T8794] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  458.779719][ T8794] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8794 [syz.4.563] init_journal+0x19b3/0x2180
[  458.814434][ T8794] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  458.834096][ T8794] CPU: 0 UID: 0 PID: 8794 Comm: syz.4.563 Not tainted syzkaller #0 PREEMPT(full) 
[  458.834122][ T8794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  458.834139][ T8794] Call Trace:
[  458.834147][ T8794]  <TASK>
[  458.834156][ T8794]  dump_stack_lvl+0x189/0x250
[  458.834183][ T8794]  ? __pfx_dump_stack_lvl+0x10/0x10
[  458.834205][ T8794]  ? __pfx_wake_up_bit+0x10/0x10
[  458.834234][ T8794]  gfs2_withdraw+0xc3/0x1b0
[  458.834255][ T8794]  gfs2_jdesc_check+0x17d/0x2f0
[  458.834280][ T8794]  check_journal_clean+0x158/0x310
[  458.834301][ T8794]  ? __pfx_check_journal_clean+0x10/0x10
[  458.834322][ T8794]  ? init_journal+0x19b3/0x2180
[  458.834348][ T8794]  ? do_raw_spin_unlock+0x122/0x240
[  458.834370][ T8794]  ? _raw_spin_unlock+0x28/0x50
[  458.834394][ T8794]  ? gfs2_jdesc_find+0xab/0xc0
[  458.834415][ T8794]  init_journal+0x19b3/0x2180
[  458.834444][ T8794]  ? init_inodes+0xdb/0x320
[  458.834462][ T8794]  ? vsnprintf+0x386/0xf00
[  458.834486][ T8794]  ? __pfx_init_journal+0x10/0x10
[  458.834504][ T8794]  ? vsnprintf+0xe11/0xf00
[  458.834536][ T8794]  ? snprintf+0xda/0x120
[  458.834559][ T8794]  ? init_inodes+0xdb/0x320
[  458.834576][ T8794]  ? __pfx_snprintf+0x10/0x10
[  458.834599][ T8794]  ? gfs2_glock_nq_num+0x13d/0x170
[  458.834623][ T8794]  init_inodes+0xdb/0x320
[  458.834644][ T8794]  gfs2_fill_super+0x1a52/0x2220
[  458.834678][ T8794]  ? __pfx_gfs2_fill_super+0x10/0x10
[  458.834699][ T8794]  ? init_locking+0xb8/0x210
[  458.834715][ T8794]  ? sb_set_blocksize+0x104/0x180
[  458.834737][ T8794]  ? setup_bdev_super+0x4c1/0x5b0
[  458.834762][ T8794]  get_tree_bdev_flags+0x40e/0x4d0
[  458.834781][ T8794]  ? __pfx_gfs2_fill_super+0x10/0x10
[  458.834799][ T8794]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  458.834816][ T8794]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  458.834850][ T8794]  gfs2_get_tree+0x51/0x1e0
[  458.834872][ T8794]  vfs_get_tree+0x92/0x2b0
[  458.834894][ T8794]  do_new_mount+0x302/0xa10
[  458.834913][ T8794]  ? apparmor_capable+0x137/0x1b0
[  458.834941][ T8794]  ? __pfx_do_new_mount+0x10/0x10
[  458.834961][ T8794]  ? ns_capable+0x8a/0xf0
[  458.834988][ T8794]  ? kmem_cache_free+0x19b/0x690
[  458.835019][ T8794]  __se_sys_mount+0x313/0x410
[  458.835051][ T8794]  ? __pfx___se_sys_mount+0x10/0x10
[  458.835077][ T8794]  ? do_syscall_64+0xbe/0xfa0
[  458.835093][ T8794]  ? __x64_sys_mount+0x20/0xc0
[  458.835115][ T8794]  do_syscall_64+0xfa/0xfa0
[  458.835131][ T8794]  ? lockdep_hardirqs_on+0x9c/0x150
[  458.835148][ T8794]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.835164][ T8794]  ? clear_bhb_loop+0x60/0xb0
[  458.835186][ T8794]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.835203][ T8794] RIP: 0033:0x7f7be2b9076a
[  458.835219][ T8794] 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
[  458.835234][ T8794] RSP: 002b:00007f7be3ad0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  458.835254][ T8794] RAX: ffffffffffffffda RBX: 00007f7be3ad0ef0 RCX: 00007f7be2b9076a
[  458.835267][ T8794] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3ad0eb0
[  458.835280][ T8794] RBP: 0000200000000400 R08: 00007f7be3ad0ef0 R09: 0000000000200001
[  458.835292][ T8794] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  458.835304][ T8794] R13: 00007f7be3ad0eb0 R14: 00000000000125d5 R15: 0000200000000240
[  458.835334][ T8794]  </TASK>
[  458.835342][ T8794] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  459.663698][ T8808] loop3: detected capacity change from 0 to 32768
[  459.707601][ T8808] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  459.735450][ T8808] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  459.787631][ T8814] loop2: detected capacity change from 0 to 32768
[  459.805886][ T8808] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  459.833247][ T8808] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  459.851975][ T8814] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  459.859612][ T8808] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8808 [syz.3.565] init_journal+0x19b3/0x2180
[  459.871235][ T8808] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  459.879166][ T8808] CPU: 1 UID: 0 PID: 8808 Comm: syz.3.565 Not tainted syzkaller #0 PREEMPT(full) 
[  459.879190][ T8808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  459.879201][ T8808] Call Trace:
[  459.879209][ T8808]  <TASK>
[  459.879218][ T8808]  dump_stack_lvl+0x189/0x250
[  459.879245][ T8808]  ? __pfx_dump_stack_lvl+0x10/0x10
[  459.879268][ T8808]  ? __pfx_wake_up_bit+0x10/0x10
[  459.879297][ T8808]  gfs2_withdraw+0xc3/0x1b0
[  459.879319][ T8808]  gfs2_jdesc_check+0x17d/0x2f0
[  459.879344][ T8808]  check_journal_clean+0x158/0x310
[  459.879365][ T8808]  ? __pfx_check_journal_clean+0x10/0x10
[  459.879387][ T8808]  ? init_journal+0x19b3/0x2180
[  459.879413][ T8808]  ? do_raw_spin_unlock+0x122/0x240
[  459.879436][ T8808]  ? _raw_spin_unlock+0x28/0x50
[  459.879461][ T8808]  ? gfs2_jdesc_find+0xab/0xc0
[  459.879478][ T8808]  init_journal+0x19b3/0x2180
[  459.879502][ T8808]  ? init_inodes+0xdb/0x320
[  459.879517][ T8808]  ? vsnprintf+0x386/0xf00
[  459.879537][ T8808]  ? __pfx_init_journal+0x10/0x10
[  459.879551][ T8808]  ? vsnprintf+0xe11/0xf00
[  459.879581][ T8808]  ? snprintf+0xda/0x120
[  459.879605][ T8808]  ? init_inodes+0xdb/0x320
[  459.879621][ T8808]  ? __pfx_snprintf+0x10/0x10
[  459.879640][ T8808]  ? gfs2_glock_nq_num+0x13d/0x170
[  459.879660][ T8808]  init_inodes+0xdb/0x320
[  459.879678][ T8808]  gfs2_fill_super+0x1a52/0x2220
[  459.879708][ T8808]  ? __pfx_gfs2_fill_super+0x10/0x10
[  459.879728][ T8808]  ? init_locking+0xb8/0x210
[  459.879742][ T8808]  ? sb_set_blocksize+0x104/0x180
[  459.879760][ T8808]  ? setup_bdev_super+0x4c1/0x5b0
[  459.879779][ T8808]  get_tree_bdev_flags+0x40e/0x4d0
[  459.879798][ T8808]  ? __pfx_gfs2_fill_super+0x10/0x10
[  459.879814][ T8808]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  459.879831][ T8808]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  459.879863][ T8808]  gfs2_get_tree+0x51/0x1e0
[  459.879882][ T8808]  vfs_get_tree+0x92/0x2b0
[  459.879900][ T8808]  do_new_mount+0x302/0xa10
[  459.879918][ T8808]  ? apparmor_capable+0x137/0x1b0
[  459.879952][ T8808]  ? __pfx_do_new_mount+0x10/0x10
[  459.879973][ T8808]  ? ns_capable+0x8a/0xf0
[  459.879999][ T8808]  ? kmem_cache_free+0x19b/0x690
[  459.880027][ T8808]  __se_sys_mount+0x313/0x410
[  459.880052][ T8808]  ? __pfx___se_sys_mount+0x10/0x10
[  459.880074][ T8808]  ? do_syscall_64+0xbe/0xfa0
[  459.880088][ T8808]  ? __x64_sys_mount+0x20/0xc0
[  459.880110][ T8808]  do_syscall_64+0xfa/0xfa0
[  459.880124][ T8808]  ? lockdep_hardirqs_on+0x9c/0x150
[  459.880141][ T8808]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.880155][ T8808]  ? clear_bhb_loop+0x60/0xb0
[  459.880172][ T8808]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.880186][ T8808] RIP: 0033:0x7fa12dd9076a
[  459.880202][ T8808] 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
[  459.880215][ T8808] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  459.880233][ T8808] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  459.880244][ T8808] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  459.880254][ T8808] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  459.880265][ T8808] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  459.880276][ T8808] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  459.880304][ T8808]  </TASK>
[  459.899561][ T8814] CPU: 0 UID: 0 PID: 8814 Comm: syz.2.568 Not tainted syzkaller #0 PREEMPT(full) 
[  459.899585][ T8814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  459.899595][ T8814] Call Trace:
[  459.899602][ T8814]  <TASK>
[  459.899610][ T8814]  dump_stack_lvl+0x189/0x250
[  459.899637][ T8814]  ? __pfx_dump_stack_lvl+0x10/0x10
[  459.899655][ T8814]  ? __pfx__printk+0x10/0x10
[  459.899678][ T8814]  ? kernfs_path_from_node+0x250/0x290
[  459.899701][ T8814]  ? kernfs_path_from_node+0x2f/0x290
[  459.899721][ T8814]  sysfs_create_dir_ns+0x259/0x280
[  459.899748][ T8814]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  459.899774][ T8814]  ? do_raw_spin_unlock+0x122/0x240
[  459.899797][ T8814]  kobject_add_internal+0x59f/0xb40
[  459.899826][ T8814]  kobject_init_and_add+0x125/0x190
[  459.899852][ T8814]  ? __pfx_kobject_init_and_add+0x10/0x10
[  459.899872][ T8814]  ? __raw_spin_lock_init+0x45/0x100
[  459.899891][ T8814]  ? __init_swait_queue_head+0xa9/0x150
[  459.899913][ T8814]  gfs2_sys_fs_add+0x234/0x450
[  459.899937][ T8814]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  459.899964][ T8814]  ? is_dynamic_key+0xd6/0x1c0
[  459.899984][ T8814]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  459.900016][ T8814]  gfs2_fill_super+0x13e5/0x2220
[  459.900049][ T8814]  ? __pfx_gfs2_fill_super+0x10/0x10
[  459.900072][ T8814]  ? sb_set_blocksize+0x104/0x180
[  459.900093][ T8814]  ? setup_bdev_super+0x4c1/0x5b0
[  459.900115][ T8814]  get_tree_bdev_flags+0x40e/0x4d0
[  459.900134][ T8814]  ? __pfx_gfs2_fill_super+0x10/0x10
[  459.900152][ T8814]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  459.900169][ T8814]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  459.900201][ T8814]  gfs2_get_tree+0x51/0x1e0
[  459.900222][ T8814]  vfs_get_tree+0x92/0x2b0
[  459.900243][ T8814]  do_new_mount+0x302/0xa10
[  459.900261][ T8814]  ? apparmor_capable+0x137/0x1b0
[  459.900288][ T8814]  ? __pfx_do_new_mount+0x10/0x10
[  459.900307][ T8814]  ? ns_capable+0x8a/0xf0
[  459.900333][ T8814]  ? kmem_cache_free+0x19b/0x690
[  459.900363][ T8814]  __se_sys_mount+0x313/0x410
[  459.900389][ T8814]  ? __pfx___se_sys_mount+0x10/0x10
[  459.900412][ T8814]  ? do_syscall_64+0xbe/0xfa0
[  459.900429][ T8814]  ? __x64_sys_mount+0x20/0xc0
[  459.900451][ T8814]  do_syscall_64+0xfa/0xfa0
[  459.900466][ T8814]  ? lockdep_hardirqs_on+0x9c/0x150
[  459.900484][ T8814]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.900500][ T8814]  ? clear_bhb_loop+0x60/0xb0
[  459.900521][ T8814]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.900538][ T8814] RIP: 0033:0x7f45e4d9076a
[  459.900554][ T8814] 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
[  459.900569][ T8814] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  459.900588][ T8814] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  459.900600][ T8814] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  459.900612][ T8814] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  459.900624][ T8814] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  459.900635][ T8814] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  459.900665][ T8814]  </TASK>
[  459.900757][ T8814] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  459.913327][ T8808] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  459.963017][ T8814] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  460.076687][ T8810] loop0: detected capacity change from 0 to 32768
[  460.204578][ T8812] loop1: detected capacity change from 0 to 32768
[  460.614915][ T8810] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  460.623835][ T8810] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  460.643439][ T8812] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  460.654625][ T8812] CPU: 0 UID: 0 PID: 8812 Comm: syz.1.567 Not tainted syzkaller #0 PREEMPT(full) 
[  460.654650][ T8812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  460.654660][ T8812] Call Trace:
[  460.654667][ T8812]  <TASK>
[  460.654675][ T8812]  dump_stack_lvl+0x189/0x250
[  460.654702][ T8812]  ? __pfx_dump_stack_lvl+0x10/0x10
[  460.654718][ T8812]  ? __pfx__printk+0x10/0x10
[  460.654741][ T8812]  ? kernfs_path_from_node+0x250/0x290
[  460.654756][ T8812]  ? kernfs_path_from_node+0x2f/0x290
[  460.654775][ T8812]  sysfs_create_dir_ns+0x259/0x280
[  460.654800][ T8812]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  460.654836][ T8812]  ? do_raw_spin_unlock+0x122/0x240
[  460.654857][ T8812]  kobject_add_internal+0x59f/0xb40
[  460.654885][ T8812]  kobject_init_and_add+0x125/0x190
[  460.654910][ T8812]  ? __pfx_kobject_init_and_add+0x10/0x10
[  460.654937][ T8812]  ? __raw_spin_lock_init+0x45/0x100
[  460.654956][ T8812]  ? __init_swait_queue_head+0xa9/0x150
[  460.654977][ T8812]  gfs2_sys_fs_add+0x234/0x450
[  460.655000][ T8812]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  460.655027][ T8812]  ? is_dynamic_key+0xd6/0x1c0
[  460.655045][ T8812]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  460.655077][ T8812]  gfs2_fill_super+0x13e5/0x2220
[  460.655110][ T8812]  ? __pfx_gfs2_fill_super+0x10/0x10
[  460.655131][ T8812]  ? sb_set_blocksize+0x104/0x180
[  460.655152][ T8812]  ? setup_bdev_super+0x4c1/0x5b0
[  460.655173][ T8812]  get_tree_bdev_flags+0x40e/0x4d0
[  460.655191][ T8812]  ? __pfx_gfs2_fill_super+0x10/0x10
[  460.655207][ T8812]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  460.655223][ T8812]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  460.655255][ T8812]  gfs2_get_tree+0x51/0x1e0
[  460.655274][ T8812]  vfs_get_tree+0x92/0x2b0
[  460.655294][ T8812]  do_new_mount+0x302/0xa10
[  460.655312][ T8812]  ? apparmor_capable+0x137/0x1b0
[  460.655338][ T8812]  ? __pfx_do_new_mount+0x10/0x10
[  460.655357][ T8812]  ? ns_capable+0x8a/0xf0
[  460.655381][ T8812]  ? kmem_cache_free+0x19b/0x690
[  460.655409][ T8812]  __se_sys_mount+0x313/0x410
[  460.655434][ T8812]  ? __pfx___se_sys_mount+0x10/0x10
[  460.655457][ T8812]  ? do_syscall_64+0xbe/0xfa0
[  460.655472][ T8812]  ? __x64_sys_mount+0x20/0xc0
[  460.655493][ T8812]  do_syscall_64+0xfa/0xfa0
[  460.655508][ T8812]  ? lockdep_hardirqs_on+0x9c/0x150
[  460.655524][ T8812]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.655540][ T8812]  ? clear_bhb_loop+0x60/0xb0
[  460.655560][ T8812]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.655576][ T8812] RIP: 0033:0x7f95c379076a
[  460.655592][ T8812] 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
[  460.655607][ T8812] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  460.655626][ T8812] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  460.655638][ T8812] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  460.655649][ T8812] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  460.655660][ T8812] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  460.655671][ T8812] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  460.655699][ T8812]  </TASK>
[  460.655732][ T8812] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  460.688984][ T8810] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  460.965719][ T8812] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  461.020050][ T8810] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  461.029567][ T8810] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8810 [syz.0.566] init_journal+0x19b3/0x2180
[  461.039727][ T8810] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  461.047647][ T8810] CPU: 1 UID: 0 PID: 8810 Comm: syz.0.566 Not tainted syzkaller #0 PREEMPT(full) 
[  461.047669][ T8810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  461.047680][ T8810] Call Trace:
[  461.047688][ T8810]  <TASK>
[  461.047696][ T8810]  dump_stack_lvl+0x189/0x250
[  461.047722][ T8810]  ? __pfx_dump_stack_lvl+0x10/0x10
[  461.047744][ T8810]  ? __pfx_wake_up_bit+0x10/0x10
[  461.047765][ T8810]  ? __pfx_wake_bit_function+0x10/0x10
[  461.047788][ T8810]  gfs2_withdraw+0xc3/0x1b0
[  461.047809][ T8810]  gfs2_jdesc_check+0x17d/0x2f0
[  461.047835][ T8810]  check_journal_clean+0x158/0x310
[  461.047854][ T8810]  ? __pfx_check_journal_clean+0x10/0x10
[  461.047875][ T8810]  ? init_journal+0x19b3/0x2180
[  461.047901][ T8810]  ? do_raw_spin_unlock+0x122/0x240
[  461.047923][ T8810]  ? _raw_spin_unlock+0x28/0x50
[  461.047947][ T8810]  ? gfs2_jdesc_find+0xab/0xc0
[  461.047968][ T8810]  init_journal+0x19b3/0x2180
[  461.047997][ T8810]  ? init_inodes+0xdb/0x320
[  461.048015][ T8810]  ? vsnprintf+0x386/0xf00
[  461.048039][ T8810]  ? __pfx_init_journal+0x10/0x10
[  461.048056][ T8810]  ? vsnprintf+0xe11/0xf00
[  461.048088][ T8810]  ? snprintf+0xda/0x120
[  461.048111][ T8810]  ? init_inodes+0xdb/0x320
[  461.048128][ T8810]  ? __pfx_snprintf+0x10/0x10
[  461.048151][ T8810]  ? gfs2_glock_nq_num+0x13d/0x170
[  461.048175][ T8810]  init_inodes+0xdb/0x320
[  461.048196][ T8810]  gfs2_fill_super+0x1a52/0x2220
[  461.048230][ T8810]  ? __pfx_gfs2_fill_super+0x10/0x10
[  461.048260][ T8810]  ? init_locking+0xb8/0x210
[  461.048276][ T8810]  ? sb_set_blocksize+0x104/0x180
[  461.048298][ T8810]  ? setup_bdev_super+0x4c1/0x5b0
[  461.048321][ T8810]  get_tree_bdev_flags+0x40e/0x4d0
[  461.048341][ T8810]  ? __pfx_gfs2_fill_super+0x10/0x10
[  461.048360][ T8810]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  461.048377][ T8810]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  461.048411][ T8810]  gfs2_get_tree+0x51/0x1e0
[  461.048433][ T8810]  vfs_get_tree+0x92/0x2b0
[  461.048455][ T8810]  do_new_mount+0x302/0xa10
[  461.048473][ T8810]  ? apparmor_capable+0x137/0x1b0
[  461.048501][ T8810]  ? __pfx_do_new_mount+0x10/0x10
[  461.048521][ T8810]  ? ns_capable+0x8a/0xf0
[  461.048546][ T8810]  ? kmem_cache_free+0x19b/0x690
[  461.048595][ T8810]  __se_sys_mount+0x313/0x410
[  461.048627][ T8810]  ? __pfx___se_sys_mount+0x10/0x10
[  461.048653][ T8810]  ? do_syscall_64+0xbe/0xfa0
[  461.048668][ T8810]  ? __x64_sys_mount+0x20/0xc0
[  461.048691][ T8810]  do_syscall_64+0xfa/0xfa0
[  461.048707][ T8810]  ? lockdep_hardirqs_on+0x9c/0x150
[  461.048724][ T8810]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.048742][ T8810]  ? clear_bhb_loop+0x60/0xb0
[  461.048763][ T8810]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.048781][ T8810] RIP: 0033:0x7f6d4219076a
[  461.048797][ T8810] 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
[  461.048811][ T8810] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  461.048830][ T8810] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  461.048844][ T8810] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  461.048856][ T8810] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  461.048868][ T8810] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  461.048880][ T8810] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  461.048911][ T8810]  </TASK>
[  461.048919][ T8810] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  461.712075][ T8816] loop4: detected capacity change from 0 to 32768
[  461.765477][ T8816] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  461.806345][ T8816] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  461.861753][ T8816] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  461.909630][ T8816] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  461.940522][ T8816] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8816 [syz.4.569] init_journal+0x19b3/0x2180
[  461.961334][ T8816] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  461.969378][ T8816] CPU: 0 UID: 0 PID: 8816 Comm: syz.4.569 Not tainted syzkaller #0 PREEMPT(full) 
[  461.969403][ T8816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  461.969414][ T8816] Call Trace:
[  461.969423][ T8816]  <TASK>
[  461.969431][ T8816]  dump_stack_lvl+0x189/0x250
[  461.969460][ T8816]  ? __pfx_dump_stack_lvl+0x10/0x10
[  461.969478][ T8816]  ? __pfx_wake_up_bit+0x10/0x10
[  461.969497][ T8816]  ? __pfx_wake_bit_function+0x10/0x10
[  461.969517][ T8816]  gfs2_withdraw+0xc3/0x1b0
[  461.969535][ T8816]  gfs2_jdesc_check+0x17d/0x2f0
[  461.969567][ T8816]  check_journal_clean+0x158/0x310
[  461.969586][ T8816]  ? __pfx_check_journal_clean+0x10/0x10
[  461.969606][ T8816]  ? init_journal+0x19b3/0x2180
[  461.969630][ T8816]  ? do_raw_spin_unlock+0x122/0x240
[  461.969651][ T8816]  ? _raw_spin_unlock+0x28/0x50
[  461.969674][ T8816]  ? gfs2_jdesc_find+0xab/0xc0
[  461.969696][ T8816]  init_journal+0x19b3/0x2180
[  461.969724][ T8816]  ? init_inodes+0xdb/0x320
[  461.969742][ T8816]  ? vsnprintf+0x386/0xf00
[  461.969767][ T8816]  ? __pfx_init_journal+0x10/0x10
[  461.969784][ T8816]  ? vsnprintf+0xe11/0xf00
[  461.969816][ T8816]  ? snprintf+0xda/0x120
[  461.969841][ T8816]  ? init_inodes+0xdb/0x320
[  461.969858][ T8816]  ? __pfx_snprintf+0x10/0x10
[  461.969882][ T8816]  ? gfs2_glock_nq_num+0x13d/0x170
[  461.969906][ T8816]  init_inodes+0xdb/0x320
[  461.969927][ T8816]  gfs2_fill_super+0x1a52/0x2220
[  461.969961][ T8816]  ? __pfx_gfs2_fill_super+0x10/0x10
[  461.969983][ T8816]  ? init_locking+0xb8/0x210
[  461.969999][ T8816]  ? sb_set_blocksize+0x104/0x180
[  461.970021][ T8816]  ? setup_bdev_super+0x4c1/0x5b0
[  461.970045][ T8816]  get_tree_bdev_flags+0x40e/0x4d0
[  461.970065][ T8816]  ? __pfx_gfs2_fill_super+0x10/0x10
[  461.970084][ T8816]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  461.970102][ T8816]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  461.970135][ T8816]  gfs2_get_tree+0x51/0x1e0
[  461.970157][ T8816]  vfs_get_tree+0x92/0x2b0
[  461.970179][ T8816]  do_new_mount+0x302/0xa10
[  461.970198][ T8816]  ? apparmor_capable+0x137/0x1b0
[  461.970227][ T8816]  ? __pfx_do_new_mount+0x10/0x10
[  461.970247][ T8816]  ? ns_capable+0x8a/0xf0
[  461.970274][ T8816]  ? kmem_cache_free+0x19b/0x690
[  461.970304][ T8816]  __se_sys_mount+0x313/0x410
[  461.970332][ T8816]  ? __pfx___se_sys_mount+0x10/0x10
[  461.970357][ T8816]  ? do_syscall_64+0xbe/0xfa0
[  461.970373][ T8816]  ? __x64_sys_mount+0x20/0xc0
[  461.970396][ T8816]  do_syscall_64+0xfa/0xfa0
[  461.970412][ T8816]  ? lockdep_hardirqs_on+0x9c/0x150
[  461.970430][ T8816]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.970448][ T8816]  ? clear_bhb_loop+0x60/0xb0
[  461.970469][ T8816]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.970486][ T8816] RIP: 0033:0x7f7be2b9076a
[  461.970504][ T8816] 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
[  461.970518][ T8816] RSP: 002b:00007f7be3ad0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  461.970538][ T8816] RAX: ffffffffffffffda RBX: 00007f7be3ad0ef0 RCX: 00007f7be2b9076a
[  461.970557][ T8816] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3ad0eb0
[  461.970570][ T8816] RBP: 0000200000000400 R08: 00007f7be3ad0ef0 R09: 0000000000200001
[  461.970582][ T8816] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  461.970595][ T8816] R13: 00007f7be3ad0eb0 R14: 00000000000125d5 R15: 0000200000000240
[  461.970626][ T8816]  </TASK>
[  462.344515][ T8826] loop3: detected capacity change from 0 to 32768
[  462.375009][ T8822] loop2: detected capacity change from 0 to 32768
[  462.428219][ T8822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  462.448514][ T8816] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  462.479616][ T8822] CPU: 1 UID: 0 PID: 8822 Comm: syz.2.570 Not tainted syzkaller #0 PREEMPT(full) 
[  462.479641][ T8822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  462.479653][ T8822] Call Trace:
[  462.479661][ T8822]  <TASK>
[  462.479670][ T8822]  dump_stack_lvl+0x189/0x250
[  462.479697][ T8822]  ? __pfx_dump_stack_lvl+0x10/0x10
[  462.479716][ T8822]  ? __pfx__printk+0x10/0x10
[  462.479740][ T8822]  ? kernfs_path_from_node+0x250/0x290
[  462.479764][ T8822]  ? kernfs_path_from_node+0x2f/0x290
[  462.479785][ T8822]  sysfs_create_dir_ns+0x259/0x280
[  462.479814][ T8822]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  462.479841][ T8822]  ? do_raw_spin_unlock+0x122/0x240
[  462.479864][ T8822]  kobject_add_internal+0x59f/0xb40
[  462.479893][ T8822]  kobject_init_and_add+0x125/0x190
[  462.479919][ T8822]  ? __pfx_kobject_init_and_add+0x10/0x10
[  462.479942][ T8822]  ? __raw_spin_lock_init+0x45/0x100
[  462.479962][ T8822]  ? __init_swait_queue_head+0xa9/0x150
[  462.479985][ T8822]  gfs2_sys_fs_add+0x234/0x450
[  462.480011][ T8822]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  462.480040][ T8822]  ? is_dynamic_key+0xd6/0x1c0
[  462.480061][ T8822]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  462.480095][ T8822]  gfs2_fill_super+0x13e5/0x2220
[  462.480130][ T8822]  ? __pfx_gfs2_fill_super+0x10/0x10
[  462.480153][ T8822]  ? sb_set_blocksize+0x104/0x180
[  462.480176][ T8822]  ? setup_bdev_super+0x4c1/0x5b0
[  462.480200][ T8822]  get_tree_bdev_flags+0x40e/0x4d0
[  462.480220][ T8822]  ? __pfx_gfs2_fill_super+0x10/0x10
[  462.480238][ T8822]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  462.480256][ T8822]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  462.480290][ T8822]  gfs2_get_tree+0x51/0x1e0
[  462.480312][ T8822]  vfs_get_tree+0x92/0x2b0
[  462.480334][ T8822]  do_new_mount+0x302/0xa10
[  462.480353][ T8822]  ? apparmor_capable+0x137/0x1b0
[  462.480382][ T8822]  ? __pfx_do_new_mount+0x10/0x10
[  462.480402][ T8822]  ? ns_capable+0x8a/0xf0
[  462.480428][ T8822]  ? kmem_cache_free+0x19b/0x690
[  462.480460][ T8822]  __se_sys_mount+0x313/0x410
[  462.480487][ T8822]  ? __pfx___se_sys_mount+0x10/0x10
[  462.480511][ T8822]  ? do_syscall_64+0xbe/0xfa0
[  462.480528][ T8822]  ? __x64_sys_mount+0x20/0xc0
[  462.480551][ T8822]  do_syscall_64+0xfa/0xfa0
[  462.480568][ T8822]  ? lockdep_hardirqs_on+0x9c/0x150
[  462.480585][ T8822]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.480603][ T8822]  ? clear_bhb_loop+0x60/0xb0
[  462.480624][ T8822]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.480641][ T8822] RIP: 0033:0x7f45e4d9076a
[  462.480658][ T8822] 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
[  462.480672][ T8822] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  462.480692][ T8822] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  462.480705][ T8822] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  462.480717][ T8822] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  462.480730][ T8822] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  462.480741][ T8822] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  462.480778][ T8822]  </TASK>
[  462.480805][ T8822] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  462.547650][ T8830] loop1: detected capacity change from 0 to 32768
[  462.661486][ T8826] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  462.679866][ T8822] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  462.838448][ T8826] CPU: 0 UID: 0 PID: 8826 Comm: syz.3.571 Not tainted syzkaller #0 PREEMPT(full) 
[  462.838474][ T8826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  462.838485][ T8826] Call Trace:
[  462.838493][ T8826]  <TASK>
[  462.838502][ T8826]  dump_stack_lvl+0x189/0x250
[  462.838536][ T8826]  ? __pfx_dump_stack_lvl+0x10/0x10
[  462.838555][ T8826]  ? __pfx__printk+0x10/0x10
[  462.838578][ T8826]  ? kernfs_path_from_node+0x250/0x290
[  462.838593][ T8826]  ? kernfs_path_from_node+0x2f/0x290
[  462.838614][ T8826]  sysfs_create_dir_ns+0x259/0x280
[  462.838641][ T8826]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  462.838669][ T8826]  ? do_raw_spin_unlock+0x122/0x240
[  462.838693][ T8826]  kobject_add_internal+0x59f/0xb40
[  462.838723][ T8826]  kobject_init_and_add+0x125/0x190
[  462.838749][ T8826]  ? __pfx_kobject_init_and_add+0x10/0x10
[  462.838769][ T8826]  ? __raw_spin_lock_init+0x45/0x100
[  462.838787][ T8826]  ? __init_swait_queue_head+0xa9/0x150
[  462.838810][ T8826]  gfs2_sys_fs_add+0x234/0x450
[  462.838837][ T8826]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  462.838866][ T8826]  ? is_dynamic_key+0xd6/0x1c0
[  462.838887][ T8826]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  462.838917][ T8826]  gfs2_fill_super+0x13e5/0x2220
[  462.838952][ T8826]  ? __pfx_gfs2_fill_super+0x10/0x10
[  462.838975][ T8826]  ? sb_set_blocksize+0x104/0x180
[  462.838997][ T8826]  ? setup_bdev_super+0x4c1/0x5b0
[  462.839029][ T8826]  get_tree_bdev_flags+0x40e/0x4d0
[  462.839049][ T8826]  ? __pfx_gfs2_fill_super+0x10/0x10
[  462.839066][ T8826]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  462.839084][ T8826]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  462.839116][ T8826]  gfs2_get_tree+0x51/0x1e0
[  462.839138][ T8826]  vfs_get_tree+0x92/0x2b0
[  462.839159][ T8826]  do_new_mount+0x302/0xa10
[  462.839178][ T8826]  ? apparmor_capable+0x137/0x1b0
[  462.839206][ T8826]  ? __pfx_do_new_mount+0x10/0x10
[  462.839226][ T8826]  ? ns_capable+0x8a/0xf0
[  462.839252][ T8826]  ? kmem_cache_free+0x19b/0x690
[  462.839284][ T8826]  __se_sys_mount+0x313/0x410
[  462.839311][ T8826]  ? __pfx___se_sys_mount+0x10/0x10
[  462.839336][ T8826]  ? do_syscall_64+0xbe/0xfa0
[  462.839353][ T8826]  ? __x64_sys_mount+0x20/0xc0
[  462.839375][ T8826]  do_syscall_64+0xfa/0xfa0
[  462.839390][ T8826]  ? lockdep_hardirqs_on+0x9c/0x150
[  462.839407][ T8826]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.839424][ T8826]  ? clear_bhb_loop+0x60/0xb0
[  462.839450][ T8826]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.839464][ T8826] RIP: 0033:0x7fa12dd9076a
[  462.839479][ T8826] 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
[  462.839493][ T8826] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  462.839511][ T8826] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  462.839530][ T8826] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  462.839542][ T8826] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  462.839553][ T8826] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  462.839562][ T8826] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  462.839588][ T8826]  </TASK>
[  463.156370][ T8826] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  463.169744][ T8830] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  463.177666][ T8830] CPU: 1 UID: 0 PID: 8830 Comm: syz.1.572 Not tainted syzkaller #0 PREEMPT(full) 
[  463.177694][ T8830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  463.177703][ T8830] Call Trace:
[  463.177710][ T8830]  <TASK>
[  463.177717][ T8830]  dump_stack_lvl+0x189/0x250
[  463.177739][ T8830]  ? __pfx_dump_stack_lvl+0x10/0x10
[  463.177753][ T8830]  ? __pfx__printk+0x10/0x10
[  463.177771][ T8830]  ? kernfs_path_from_node+0x250/0x290
[  463.177784][ T8830]  ? kernfs_path_from_node+0x2f/0x290
[  463.177800][ T8830]  sysfs_create_dir_ns+0x259/0x280
[  463.177821][ T8830]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  463.177841][ T8830]  ? do_raw_spin_unlock+0x122/0x240
[  463.177859][ T8830]  kobject_add_internal+0x59f/0xb40
[  463.177882][ T8830]  kobject_init_and_add+0x125/0x190
[  463.177901][ T8830]  ? __pfx_kobject_init_and_add+0x10/0x10
[  463.177917][ T8830]  ? __raw_spin_lock_init+0x45/0x100
[  463.177932][ T8830]  ? __init_swait_queue_head+0xa9/0x150
[  463.177949][ T8830]  gfs2_sys_fs_add+0x234/0x450
[  463.177969][ T8830]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  463.177991][ T8830]  ? is_dynamic_key+0xd6/0x1c0
[  463.178006][ T8830]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  463.178032][ T8830]  gfs2_fill_super+0x13e5/0x2220
[  463.178057][ T8830]  ? __pfx_gfs2_fill_super+0x10/0x10
[  463.178074][ T8830]  ? sb_set_blocksize+0x104/0x180
[  463.178091][ T8830]  ? setup_bdev_super+0x4c1/0x5b0
[  463.178109][ T8830]  get_tree_bdev_flags+0x40e/0x4d0
[  463.178123][ T8830]  ? __pfx_gfs2_fill_super+0x10/0x10
[  463.178137][ T8830]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  463.178150][ T8830]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  463.178175][ T8830]  gfs2_get_tree+0x51/0x1e0
[  463.178191][ T8830]  vfs_get_tree+0x92/0x2b0
[  463.178208][ T8830]  do_new_mount+0x302/0xa10
[  463.178223][ T8830]  ? apparmor_capable+0x137/0x1b0
[  463.178245][ T8830]  ? __pfx_do_new_mount+0x10/0x10
[  463.178260][ T8830]  ? ns_capable+0x8a/0xf0
[  463.178279][ T8830]  ? kmem_cache_free+0x19b/0x690
[  463.178302][ T8830]  __se_sys_mount+0x313/0x410
[  463.178322][ T8830]  ? __pfx___se_sys_mount+0x10/0x10
[  463.178340][ T8830]  ? do_syscall_64+0xbe/0xfa0
[  463.178353][ T8830]  ? __x64_sys_mount+0x20/0xc0
[  463.178370][ T8830]  do_syscall_64+0xfa/0xfa0
[  463.178382][ T8830]  ? lockdep_hardirqs_on+0x9c/0x150
[  463.178395][ T8830]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.178409][ T8830]  ? clear_bhb_loop+0x60/0xb0
[  463.178426][ T8830]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.178439][ T8830] RIP: 0033:0x7f95c379076a
[  463.178453][ T8830] 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
[  463.178465][ T8830] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  463.178481][ T8830] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  463.178491][ T8830] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  463.178500][ T8830] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  463.178510][ T8830] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  463.178519][ T8830] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  463.178541][ T8830]  </TASK>
[  463.178571][ T8830] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  463.184574][ T8826] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/22 23:35:07 executed programs: 567
[  463.229717][ T8830] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  463.942742][ T8834] loop0: detected capacity change from 0 to 32768
[  463.990096][ T8834] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  464.018195][ T8834] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  464.083057][ T8834] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  464.150913][ T8834] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  464.179549][ T8834] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8834 [syz.0.573] init_journal+0x19b3/0x2180
[  464.220176][ T8834] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  464.228217][ T8834] CPU: 1 UID: 0 PID: 8834 Comm: syz.0.573 Not tainted syzkaller #0 PREEMPT(full) 
[  464.228242][ T8834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  464.228254][ T8834] Call Trace:
[  464.228263][ T8834]  <TASK>
[  464.228271][ T8834]  dump_stack_lvl+0x189/0x250
[  464.228316][ T8834]  ? __pfx_dump_stack_lvl+0x10/0x10
[  464.228339][ T8834]  ? __pfx_wake_up_bit+0x10/0x10
[  464.228369][ T8834]  gfs2_withdraw+0xc3/0x1b0
[  464.228390][ T8834]  gfs2_jdesc_check+0x17d/0x2f0
[  464.228416][ T8834]  check_journal_clean+0x158/0x310
[  464.228438][ T8834]  ? __pfx_check_journal_clean+0x10/0x10
[  464.228459][ T8834]  ? init_journal+0x19b3/0x2180
[  464.228485][ T8834]  ? do_raw_spin_unlock+0x122/0x240
[  464.228506][ T8834]  ? _raw_spin_unlock+0x28/0x50
[  464.228530][ T8834]  ? gfs2_jdesc_find+0xab/0xc0
[  464.228552][ T8834]  init_journal+0x19b3/0x2180
[  464.228580][ T8834]  ? init_inodes+0xdb/0x320
[  464.228598][ T8834]  ? vsnprintf+0x386/0xf00
[  464.228622][ T8834]  ? __pfx_init_journal+0x10/0x10
[  464.228640][ T8834]  ? vsnprintf+0xe11/0xf00
[  464.228673][ T8834]  ? snprintf+0xda/0x120
[  464.228696][ T8834]  ? init_inodes+0xdb/0x320
[  464.228713][ T8834]  ? __pfx_snprintf+0x10/0x10
[  464.228736][ T8834]  ? gfs2_glock_nq_num+0x13d/0x170
[  464.228761][ T8834]  init_inodes+0xdb/0x320
[  464.228781][ T8834]  gfs2_fill_super+0x1a52/0x2220
[  464.228815][ T8834]  ? __pfx_gfs2_fill_super+0x10/0x10
[  464.228837][ T8834]  ? init_locking+0xb8/0x210
[  464.228852][ T8834]  ? sb_set_blocksize+0x104/0x180
[  464.228874][ T8834]  ? setup_bdev_super+0x4c1/0x5b0
[  464.228896][ T8834]  get_tree_bdev_flags+0x40e/0x4d0
[  464.228916][ T8834]  ? __pfx_gfs2_fill_super+0x10/0x10
[  464.228935][ T8834]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  464.228952][ T8834]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  464.228986][ T8834]  gfs2_get_tree+0x51/0x1e0
[  464.229008][ T8834]  vfs_get_tree+0x92/0x2b0
[  464.229030][ T8834]  do_new_mount+0x302/0xa10
[  464.229049][ T8834]  ? apparmor_capable+0x137/0x1b0
[  464.229077][ T8834]  ? __pfx_do_new_mount+0x10/0x10
[  464.229098][ T8834]  ? ns_capable+0x8a/0xf0
[  464.229124][ T8834]  ? kmem_cache_free+0x19b/0x690
[  464.229155][ T8834]  __se_sys_mount+0x313/0x410
[  464.229182][ T8834]  ? __pfx___se_sys_mount+0x10/0x10
[  464.229207][ T8834]  ? do_syscall_64+0xbe/0xfa0
[  464.229223][ T8834]  ? __x64_sys_mount+0x20/0xc0
[  464.229242][ T8834]  do_syscall_64+0xfa/0xfa0
[  464.229254][ T8834]  ? lockdep_hardirqs_on+0x9c/0x150
[  464.229268][ T8834]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.229283][ T8834]  ? clear_bhb_loop+0x60/0xb0
[  464.229301][ T8834]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.229321][ T8834] RIP: 0033:0x7f6d4219076a
[  464.229335][ T8834] 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
[  464.229348][ T8834] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  464.229365][ T8834] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  464.229376][ T8834] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  464.229387][ T8834] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  464.229397][ T8834] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  464.229408][ T8834] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  464.229435][ T8834]  </TASK>
[  464.709994][ T8834] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  465.114728][ T8844] loop4: detected capacity change from 0 to 32768
[  465.160985][ T8844] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  465.209576][ T8844] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  465.237715][ T8844] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  465.261527][ T8844] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  465.270228][ T8848] loop1: detected capacity change from 0 to 32768
[  465.303839][ T8844] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8844 [syz.4.574] init_journal+0x19b3/0x2180
[  465.305882][ T8848] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  465.346970][ T8848] CPU: 1 UID: 0 PID: 8848 Comm: syz.1.577 Not tainted syzkaller #0 PREEMPT(full) 
[  465.346997][ T8848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  465.347008][ T8848] Call Trace:
[  465.347016][ T8848]  <TASK>
[  465.347025][ T8848]  dump_stack_lvl+0x189/0x250
[  465.347053][ T8848]  ? __pfx_dump_stack_lvl+0x10/0x10
[  465.347072][ T8848]  ? __pfx__printk+0x10/0x10
[  465.347096][ T8848]  ? kernfs_path_from_node+0x250/0x290
[  465.347112][ T8848]  ? kernfs_path_from_node+0x2f/0x290
[  465.347132][ T8848]  sysfs_create_dir_ns+0x259/0x280
[  465.347159][ T8848]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  465.347184][ T8848]  ? do_raw_spin_unlock+0x122/0x240
[  465.347206][ T8848]  kobject_add_internal+0x59f/0xb40
[  465.347234][ T8848]  kobject_init_and_add+0x125/0x190
[  465.347259][ T8848]  ? __pfx_kobject_init_and_add+0x10/0x10
[  465.347281][ T8848]  ? __raw_spin_lock_init+0x45/0x100
[  465.347300][ T8848]  ? __init_swait_queue_head+0xa9/0x150
[  465.347328][ T8848]  gfs2_sys_fs_add+0x234/0x450
[  465.347351][ T8848]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  465.347390][ T8848]  ? is_dynamic_key+0xd6/0x1c0
[  465.347411][ T8848]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  465.347445][ T8848]  gfs2_fill_super+0x13e5/0x2220
[  465.347480][ T8848]  ? __pfx_gfs2_fill_super+0x10/0x10
[  465.347503][ T8848]  ? sb_set_blocksize+0x104/0x180
[  465.347526][ T8848]  ? setup_bdev_super+0x4c1/0x5b0
[  465.347548][ T8848]  get_tree_bdev_flags+0x40e/0x4d0
[  465.347567][ T8848]  ? __pfx_gfs2_fill_super+0x10/0x10
[  465.347585][ T8848]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  465.347602][ T8848]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  465.347633][ T8848]  gfs2_get_tree+0x51/0x1e0
[  465.347652][ T8848]  vfs_get_tree+0x92/0x2b0
[  465.347675][ T8848]  do_new_mount+0x302/0xa10
[  465.347693][ T8848]  ? apparmor_capable+0x137/0x1b0
[  465.347721][ T8848]  ? __pfx_do_new_mount+0x10/0x10
[  465.347742][ T8848]  ? ns_capable+0x8a/0xf0
[  465.347768][ T8848]  ? kmem_cache_free+0x19b/0x690
[  465.347798][ T8848]  __se_sys_mount+0x313/0x410
[  465.347825][ T8848]  ? __pfx___se_sys_mount+0x10/0x10
[  465.347849][ T8848]  ? do_syscall_64+0xbe/0xfa0
[  465.347865][ T8848]  ? __x64_sys_mount+0x20/0xc0
[  465.347888][ T8848]  do_syscall_64+0xfa/0xfa0
[  465.347904][ T8848]  ? lockdep_hardirqs_on+0x9c/0x150
[  465.347922][ T8848]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.347940][ T8848]  ? clear_bhb_loop+0x60/0xb0
[  465.347961][ T8848]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.347978][ T8848] RIP: 0033:0x7f95c379076a
[  465.347995][ T8848] 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
[  465.348009][ T8848] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  465.348028][ T8848] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  465.348042][ T8848] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  465.348054][ T8848] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  465.348066][ T8848] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  465.348078][ T8848] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  465.348109][ T8848]  </TASK>
[  465.348135][ T8848] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  465.373681][ T8844] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  465.374658][ T8848] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  465.402764][ T8850] loop3: detected capacity change from 0 to 32768
[  465.407493][ T8844] CPU: 1 UID: 0 PID: 8844 Comm: syz.4.574 Not tainted syzkaller #0 PREEMPT(full) 
[  465.407516][ T8844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  465.407526][ T8844] Call Trace:
[  465.407534][ T8844]  <TASK>
[  465.407542][ T8844]  dump_stack_lvl+0x189/0x250
[  465.407569][ T8844]  ? __pfx_dump_stack_lvl+0x10/0x10
[  465.407590][ T8844]  ? __pfx_wake_up_bit+0x10/0x10
[  465.407611][ T8844]  ? __pfx_wake_bit_function+0x10/0x10
[  465.407639][ T8844]  gfs2_withdraw+0xc3/0x1b0
[  465.407659][ T8844]  gfs2_jdesc_check+0x17d/0x2f0
[  465.407684][ T8844]  check_journal_clean+0x158/0x310
[  465.407704][ T8844]  ? __pfx_check_journal_clean+0x10/0x10
[  465.407724][ T8844]  ? init_journal+0x19b3/0x2180
[  465.407749][ T8844]  ? do_raw_spin_unlock+0x122/0x240
[  465.407770][ T8844]  ? _raw_spin_unlock+0x28/0x50
[  465.407793][ T8844]  ? gfs2_jdesc_find+0xab/0xc0
[  465.407814][ T8844]  init_journal+0x19b3/0x2180
[  465.407842][ T8844]  ? init_inodes+0xdb/0x320
[  465.407859][ T8844]  ? vsnprintf+0x386/0xf00
[  465.407882][ T8844]  ? __pfx_init_journal+0x10/0x10
[  465.407899][ T8844]  ? vsnprintf+0xe11/0xf00
[  465.407930][ T8844]  ? snprintf+0xda/0x120
[  465.407953][ T8844]  ? init_inodes+0xdb/0x320
[  465.407969][ T8844]  ? __pfx_snprintf+0x10/0x10
[  465.407991][ T8844]  ? gfs2_glock_nq_num+0x13d/0x170
[  465.408014][ T8844]  init_inodes+0xdb/0x320
[  465.408034][ T8844]  gfs2_fill_super+0x1a52/0x2220
[  465.408067][ T8844]  ? __pfx_gfs2_fill_super+0x10/0x10
[  465.408088][ T8844]  ? init_locking+0xb8/0x210
[  465.408103][ T8844]  ? sb_set_blocksize+0x104/0x180
[  465.408124][ T8844]  ? setup_bdev_super+0x4c1/0x5b0
[  465.408147][ T8844]  get_tree_bdev_flags+0x40e/0x4d0
[  465.408166][ T8844]  ? __pfx_gfs2_fill_super+0x10/0x10
[  465.408183][ T8844]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  465.408220][ T8844]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  465.408259][ T8844]  gfs2_get_tree+0x51/0x1e0
[  465.408280][ T8844]  vfs_get_tree+0x92/0x2b0
[  465.408300][ T8844]  do_new_mount+0x302/0xa10
[  465.408319][ T8844]  ? apparmor_capable+0x137/0x1b0
[  465.408346][ T8844]  ? __pfx_do_new_mount+0x10/0x10
[  465.408366][ T8844]  ? ns_capable+0x8a/0xf0
[  465.408391][ T8844]  ? kmem_cache_free+0x19b/0x690
[  465.408421][ T8844]  __se_sys_mount+0x313/0x410
[  465.408447][ T8844]  ? __pfx___se_sys_mount+0x10/0x10
[  465.408471][ T8844]  ? do_syscall_64+0xbe/0xfa0
[  465.408485][ T8844]  ? __x64_sys_mount+0x20/0xc0
[  465.408507][ T8844]  do_syscall_64+0xfa/0xfa0
[  465.408523][ T8844]  ? lockdep_hardirqs_on+0x9c/0x150
[  465.408540][ T8844]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.408557][ T8844]  ? clear_bhb_loop+0x60/0xb0
[  465.408578][ T8844]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.408593][ T8844] RIP: 0033:0x7f7be2b9076a
[  465.408610][ T8844] 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
[  465.408625][ T8844] RSP: 002b:00007f7be3ad0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  465.408644][ T8844] RAX: ffffffffffffffda RBX: 00007f7be3ad0ef0 RCX: 00007f7be2b9076a
[  465.408657][ T8844] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f7be3ad0eb0
[  465.408669][ T8844] RBP: 0000200000000400 R08: 00007f7be3ad0ef0 R09: 0000000000200001
[  465.408681][ T8844] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  465.408692][ T8844] R13: 00007f7be3ad0eb0 R14: 00000000000125d5 R15: 0000200000000240
[  465.408722][ T8844]  </TASK>
[  465.408729][ T8844] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  465.959228][ T8842] loop2: detected capacity change from 0 to 32768
[  466.073035][ T8850] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  466.080606][ T8850] CPU: 0 UID: 0 PID: 8850 Comm: syz.3.576 Not tainted syzkaller #0 PREEMPT(full) 
[  466.080631][ T8850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  466.080642][ T8850] Call Trace:
[  466.080650][ T8850]  <TASK>
[  466.080658][ T8850]  dump_stack_lvl+0x189/0x250
[  466.080685][ T8850]  ? __pfx_dump_stack_lvl+0x10/0x10
[  466.080704][ T8850]  ? __pfx__printk+0x10/0x10
[  466.080728][ T8850]  ? kernfs_path_from_node+0x250/0x290
[  466.080744][ T8850]  ? kernfs_path_from_node+0x2f/0x290
[  466.080765][ T8850]  sysfs_create_dir_ns+0x259/0x280
[  466.080792][ T8850]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  466.080819][ T8850]  ? do_raw_spin_unlock+0x122/0x240
[  466.080843][ T8850]  kobject_add_internal+0x59f/0xb40
[  466.080873][ T8850]  kobject_init_and_add+0x125/0x190
[  466.080898][ T8850]  ? __pfx_kobject_init_and_add+0x10/0x10
[  466.080921][ T8850]  ? __raw_spin_lock_init+0x45/0x100
[  466.080941][ T8850]  ? __init_swait_queue_head+0xa9/0x150
[  466.080964][ T8850]  gfs2_sys_fs_add+0x234/0x450
[  466.080989][ T8850]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  466.081018][ T8850]  ? is_dynamic_key+0xd6/0x1c0
[  466.081039][ T8850]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  466.081073][ T8850]  gfs2_fill_super+0x13e5/0x2220
[  466.081108][ T8850]  ? __pfx_gfs2_fill_super+0x10/0x10
[  466.081131][ T8850]  ? sb_set_blocksize+0x104/0x180
[  466.081154][ T8850]  ? setup_bdev_super+0x4c1/0x5b0
[  466.081177][ T8850]  get_tree_bdev_flags+0x40e/0x4d0
[  466.081204][ T8850]  ? __pfx_gfs2_fill_super+0x10/0x10
[  466.081222][ T8850]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  466.081240][ T8850]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  466.081274][ T8850]  gfs2_get_tree+0x51/0x1e0
[  466.081296][ T8850]  vfs_get_tree+0x92/0x2b0
[  466.081318][ T8850]  do_new_mount+0x302/0xa10
[  466.081337][ T8850]  ? apparmor_capable+0x137/0x1b0
[  466.081366][ T8850]  ? __pfx_do_new_mount+0x10/0x10
[  466.081387][ T8850]  ? ns_capable+0x8a/0xf0
[  466.081418][ T8850]  ? kmem_cache_free+0x19b/0x690
[  466.081448][ T8850]  __se_sys_mount+0x313/0x410
[  466.081474][ T8850]  ? __pfx___se_sys_mount+0x10/0x10
[  466.081499][ T8850]  ? do_syscall_64+0xbe/0xfa0
[  466.081516][ T8850]  ? __x64_sys_mount+0x20/0xc0
[  466.081538][ T8850]  do_syscall_64+0xfa/0xfa0
[  466.081555][ T8850]  ? lockdep_hardirqs_on+0x9c/0x150
[  466.081572][ T8850]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.081590][ T8850]  ? clear_bhb_loop+0x60/0xb0
[  466.081612][ T8850]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.081630][ T8850] RIP: 0033:0x7fa12dd9076a
[  466.081646][ T8850] 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
[  466.081662][ T8850] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  466.081682][ T8850] RAX: ffffffffffffffda RBX: 00007fa12ecaeef0 RCX: 00007fa12dd9076a
[  466.081695][ T8850] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fa12ecaeeb0
[  466.081708][ T8850] RBP: 0000200000000400 R08: 00007fa12ecaeef0 R09: 0000000000200001
[  466.081721][ T8850] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  466.081732][ T8850] R13: 00007fa12ecaeeb0 R14: 00000000000125d5 R15: 0000200000000240
[  466.081762][ T8850]  </TASK>
[  466.081787][ T8850] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  466.141395][ T8842] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  466.146991][ T8850] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  466.201783][ T8842] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  466.515323][ T8842] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  466.545290][ T8842] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  466.575652][ T8842] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8842 [syz.2.575] init_journal+0x19b3/0x2180
[  466.609610][ T8842] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  466.639542][ T8842] CPU: 1 UID: 0 PID: 8842 Comm: syz.2.575 Not tainted syzkaller #0 PREEMPT(full) 
[  466.639566][ T8842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  466.639577][ T8842] Call Trace:
[  466.639585][ T8842]  <TASK>
[  466.639593][ T8842]  dump_stack_lvl+0x189/0x250
[  466.639622][ T8842]  ? __pfx_dump_stack_lvl+0x10/0x10
[  466.639645][ T8842]  ? __pfx_wake_up_bit+0x10/0x10
[  466.639667][ T8842]  ? __pfx_wake_bit_function+0x10/0x10
[  466.639691][ T8842]  gfs2_withdraw+0xc3/0x1b0
[  466.639712][ T8842]  gfs2_jdesc_check+0x17d/0x2f0
[  466.639737][ T8842]  check_journal_clean+0x158/0x310
[  466.639758][ T8842]  ? __pfx_check_journal_clean+0x10/0x10
[  466.639779][ T8842]  ? init_journal+0x19b3/0x2180
[  466.639804][ T8842]  ? do_raw_spin_unlock+0x122/0x240
[  466.639826][ T8842]  ? _raw_spin_unlock+0x28/0x50
[  466.639849][ T8842]  ? gfs2_jdesc_find+0xab/0xc0
[  466.639877][ T8842]  init_journal+0x19b3/0x2180
[  466.639910][ T8842]  ? init_inodes+0xdb/0x320
[  466.639929][ T8842]  ? vsnprintf+0x386/0xf00
[  466.639954][ T8842]  ? __pfx_init_journal+0x10/0x10
[  466.639973][ T8842]  ? vsnprintf+0xe11/0xf00
[  466.640006][ T8842]  ? snprintf+0xda/0x120
[  466.640029][ T8842]  ? init_inodes+0xdb/0x320
[  466.640047][ T8842]  ? __pfx_snprintf+0x10/0x10
[  466.640070][ T8842]  ? gfs2_glock_nq_num+0x13d/0x170
[  466.640093][ T8842]  init_inodes+0xdb/0x320
[  466.640179][ T8842]  gfs2_fill_super+0x1a52/0x2220
[  466.640214][ T8842]  ? __pfx_gfs2_fill_super+0x10/0x10
[  466.640236][ T8842]  ? init_locking+0xb8/0x210
[  466.640252][ T8842]  ? sb_set_blocksize+0x104/0x180
[  466.640275][ T8842]  ? setup_bdev_super+0x4c1/0x5b0
[  466.640298][ T8842]  get_tree_bdev_flags+0x40e/0x4d0
[  466.640319][ T8842]  ? __pfx_gfs2_fill_super+0x10/0x10
[  466.640338][ T8842]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  466.640355][ T8842]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  466.640387][ T8842]  gfs2_get_tree+0x51/0x1e0
[  466.640409][ T8842]  vfs_get_tree+0x92/0x2b0
[  466.640431][ T8842]  do_new_mount+0x302/0xa10
[  466.640450][ T8842]  ? apparmor_capable+0x137/0x1b0
[  466.640478][ T8842]  ? __pfx_do_new_mount+0x10/0x10
[  466.640499][ T8842]  ? ns_capable+0x8a/0xf0
[  466.640526][ T8842]  ? kmem_cache_free+0x19b/0x690
[  466.640556][ T8842]  __se_sys_mount+0x313/0x410
[  466.640583][ T8842]  ? __pfx___se_sys_mount+0x10/0x10
[  466.640609][ T8842]  ? do_syscall_64+0xbe/0xfa0
[  466.640626][ T8842]  ? __x64_sys_mount+0x20/0xc0
[  466.640647][ T8842]  do_syscall_64+0xfa/0xfa0
[  466.640662][ T8842]  ? lockdep_hardirqs_on+0x9c/0x150
[  466.640679][ T8842]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.640696][ T8842]  ? clear_bhb_loop+0x60/0xb0
[  466.640718][ T8842]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.640736][ T8842] RIP: 0033:0x7f45e4d9076a
[  466.640754][ T8842] 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
[  466.640769][ T8842] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  466.640789][ T8842] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  466.640802][ T8842] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  466.640814][ T8842] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  466.640826][ T8842] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  466.640838][ T8842] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  466.640869][ T8842]  </TASK>
[  466.640877][ T8842] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  466.786231][ T8854] loop0: detected capacity change from 0 to 32768
[  467.048507][ T8854] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  467.088108][ T8854] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  467.124160][ T8854] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  467.179714][ T8854] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  467.188717][ T8854] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8854 [syz.0.578] init_journal+0x19b3/0x2180
[  467.242454][ T8854] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  467.262741][ T8854] CPU: 1 UID: 0 PID: 8854 Comm: syz.0.578 Not tainted syzkaller #0 PREEMPT(full) 
[  467.262766][ T8854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  467.262778][ T8854] Call Trace:
[  467.262786][ T8854]  <TASK>
[  467.262795][ T8854]  dump_stack_lvl+0x189/0x250
[  467.262822][ T8854]  ? __pfx_dump_stack_lvl+0x10/0x10
[  467.262843][ T8854]  ? __pfx_wake_up_bit+0x10/0x10
[  467.262871][ T8854]  gfs2_withdraw+0xc3/0x1b0
[  467.262891][ T8854]  gfs2_jdesc_check+0x17d/0x2f0
[  467.262916][ T8854]  check_journal_clean+0x158/0x310
[  467.262937][ T8854]  ? __pfx_check_journal_clean+0x10/0x10
[  467.262957][ T8854]  ? init_journal+0x19b3/0x2180
[  467.262990][ T8854]  ? do_raw_spin_unlock+0x122/0x240
[  467.263018][ T8854]  ? _raw_spin_unlock+0x28/0x50
[  467.263040][ T8854]  ? gfs2_jdesc_find+0xab/0xc0
[  467.263059][ T8854]  init_journal+0x19b3/0x2180
[  467.263085][ T8854]  ? init_inodes+0xdb/0x320
[  467.263101][ T8854]  ? vsnprintf+0x386/0xf00
[  467.263124][ T8854]  ? __pfx_init_journal+0x10/0x10
[  467.263142][ T8854]  ? vsnprintf+0xe11/0xf00
[  467.263172][ T8854]  ? snprintf+0xda/0x120
[  467.263195][ T8854]  ? init_inodes+0xdb/0x320
[  467.263211][ T8854]  ? __pfx_snprintf+0x10/0x10
[  467.263235][ T8854]  ? gfs2_glock_nq_num+0x13d/0x170
[  467.263259][ T8854]  init_inodes+0xdb/0x320
[  467.263280][ T8854]  gfs2_fill_super+0x1a52/0x2220
[  467.263314][ T8854]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.263342][ T8854]  ? init_locking+0xb8/0x210
[  467.263363][ T8854]  ? sb_set_blocksize+0x104/0x180
[  467.263385][ T8854]  ? setup_bdev_super+0x4c1/0x5b0
[  467.263408][ T8854]  get_tree_bdev_flags+0x40e/0x4d0
[  467.263428][ T8854]  ? __pfx_gfs2_fill_super+0x10/0x10
[  467.263446][ T8854]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  467.263464][ T8854]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  467.263495][ T8854]  gfs2_get_tree+0x51/0x1e0
[  467.263515][ T8854]  vfs_get_tree+0x92/0x2b0
[  467.263536][ T8854]  do_new_mount+0x302/0xa10
[  467.263554][ T8854]  ? apparmor_capable+0x137/0x1b0
[  467.263583][ T8854]  ? __pfx_do_new_mount+0x10/0x10
[  467.263604][ T8854]  ? ns_capable+0x8a/0xf0
[  467.263628][ T8854]  ? kmem_cache_free+0x19b/0x690
[  467.263656][ T8854]  __se_sys_mount+0x313/0x410
[  467.263682][ T8854]  ? __pfx___se_sys_mount+0x10/0x10
[  467.263703][ T8854]  ? do_syscall_64+0xbe/0xfa0
[  467.263719][ T8854]  ? __x64_sys_mount+0x20/0xc0
[  467.263739][ T8854]  do_syscall_64+0xfa/0xfa0
[  467.263754][ T8854]  ? lockdep_hardirqs_on+0x9c/0x150
[  467.263770][ T8854]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.263794][ T8854]  ? clear_bhb_loop+0x60/0xb0
[  467.263815][ T8854]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  467.263830][ T8854] RIP: 0033:0x7f6d4219076a
[  467.263845][ T8854] 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
[  467.263858][ T8854] RSP: 002b:00007f6d430ade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  467.263875][ T8854] RAX: ffffffffffffffda RBX: 00007f6d430adef0 RCX: 00007f6d4219076a
[  467.263886][ T8854] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6d430adeb0
[  467.263896][ T8854] RBP: 0000200000000400 R08: 00007f6d430adef0 R09: 0000000000200001
[  467.263906][ T8854] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  467.263917][ T8854] R13: 00007f6d430adeb0 R14: 00000000000125d5 R15: 0000200000000240
[  467.263944][ T8854]  </TASK>
[  467.263953][ T8854] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  467.888179][ T8858] loop1: detected capacity change from 0 to 32768
[  467.942970][ T8858] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  467.969515][ T8858] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  467.997284][ T8858] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error - inode = 1 19, function = gfs2_check_internal_file_size, file = fs/gfs2/inode.h, line = 85
[  468.106570][ T8858] gfs2: fsid=syz:syz.s: G:  s:SH n:2/13 f:aqo t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1
[  468.149683][ T8858] gfs2: fsid=syz:syz.s:  H: s:SH f:eEcH e:0 p:8858 [syz.1.579] init_journal+0x19b3/0x2180
[  468.199557][ T8858] gfs2: fsid=syz:syz.s:  I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[  468.207685][ T8858] CPU: 1 UID: 0 PID: 8858 Comm: syz.1.579 Not tainted syzkaller #0 PREEMPT(full) 
[  468.207706][ T8858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  468.207715][ T8858] Call Trace:
[  468.207723][ T8858]  <TASK>
[  468.207731][ T8858]  dump_stack_lvl+0x189/0x250
[  468.207754][ T8858]  ? __pfx_dump_stack_lvl+0x10/0x10
[  468.207772][ T8858]  ? __pfx_wake_up_bit+0x10/0x10
[  468.207797][ T8858]  gfs2_withdraw+0xc3/0x1b0
[  468.207814][ T8858]  gfs2_jdesc_check+0x17d/0x2f0
[  468.207835][ T8858]  check_journal_clean+0x158/0x310
[  468.207854][ T8858]  ? __pfx_check_journal_clean+0x10/0x10
[  468.207874][ T8858]  ? init_journal+0x19b3/0x2180
[  468.207897][ T8858]  ? do_raw_spin_unlock+0x122/0x240
[  468.207919][ T8858]  ? _raw_spin_unlock+0x28/0x50
[  468.207942][ T8858]  ? gfs2_jdesc_find+0xab/0xc0
[  468.207983][ T8858]  init_journal+0x19b3/0x2180
[  468.208010][ T8858]  ? init_inodes+0xdb/0x320
[  468.208033][ T8858]  ? vsnprintf+0x386/0xf00
[  468.208053][ T8858]  ? __pfx_init_journal+0x10/0x10
[  468.208068][ T8858]  ? vsnprintf+0xe11/0xf00
[  468.208097][ T8858]  ? snprintf+0xda/0x120
[  468.208119][ T8858]  ? init_inodes+0xdb/0x320
[  468.208136][ T8858]  ? __pfx_snprintf+0x10/0x10
[  468.208159][ T8858]  ? gfs2_glock_nq_num+0x13d/0x170
[  468.208184][ T8858]  init_inodes+0xdb/0x320
[  468.208204][ T8858]  gfs2_fill_super+0x1a52/0x2220
[  468.208239][ T8858]  ? __pfx_gfs2_fill_super+0x10/0x10
[  468.208259][ T8858]  ? init_locking+0xb8/0x210
[  468.208273][ T8858]  ? sb_set_blocksize+0x104/0x180
[  468.208294][ T8858]  ? setup_bdev_super+0x4c1/0x5b0
[  468.208317][ T8858]  get_tree_bdev_flags+0x40e/0x4d0
[  468.208336][ T8858]  ? __pfx_gfs2_fill_super+0x10/0x10
[  468.208354][ T8858]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  468.208371][ T8858]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  468.208400][ T8858]  gfs2_get_tree+0x51/0x1e0
[  468.208420][ T8858]  vfs_get_tree+0x92/0x2b0
[  468.208439][ T8858]  do_new_mount+0x302/0xa10
[  468.208458][ T8858]  ? apparmor_capable+0x137/0x1b0
[  468.208487][ T8858]  ? __pfx_do_new_mount+0x10/0x10
[  468.208507][ T8858]  ? ns_capable+0x8a/0xf0
[  468.208533][ T8858]  ? kmem_cache_free+0x19b/0x690
[  468.208563][ T8858]  __se_sys_mount+0x313/0x410
[  468.208590][ T8858]  ? __pfx___se_sys_mount+0x10/0x10
[  468.208615][ T8858]  ? do_syscall_64+0xbe/0xfa0
[  468.208632][ T8858]  ? __x64_sys_mount+0x20/0xc0
[  468.208654][ T8858]  do_syscall_64+0xfa/0xfa0
[  468.208671][ T8858]  ? lockdep_hardirqs_on+0x9c/0x150
[  468.208689][ T8858]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  468.208706][ T8858]  ? clear_bhb_loop+0x60/0xb0
[  468.208728][ T8858]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  468.208744][ T8858] RIP: 0033:0x7f95c379076a
[  468.208760][ T8858] 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
[  468.208774][ T8858] RSP: 002b:00007f95c459ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  468.208794][ T8858] RAX: ffffffffffffffda RBX: 00007f95c459cef0 RCX: 00007f95c379076a
[  468.208807][ T8858] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f95c459ceb0
[  468.208819][ T8858] RBP: 0000200000000400 R08: 00007f95c459cef0 R09: 0000000000200001
[  468.208832][ T8858] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  468.208844][ T8858] R13: 00007f95c459ceb0 R14: 00000000000125d5 R15: 0000200000000240
[  468.208876][ T8858]  </TASK>
[  468.208884][ T8858] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[  468.472091][ T8870] loop2: detected capacity change from 0 to 32768
[  468.592285][ T8870] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  468.626786][ T8865] loop4: detected capacity change from 0 to 32768
[  468.647074][ T8870] CPU: 1 UID: 0 PID: 8870 Comm: syz.2.581 Not tainted syzkaller #0 PREEMPT(full) 
[  468.647100][ T8870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  468.647110][ T8870] Call Trace:
[  468.647117][ T8870]  <TASK>
[  468.647125][ T8870]  dump_stack_lvl+0x189/0x250
[  468.647151][ T8870]  ? __pfx_dump_stack_lvl+0x10/0x10
[  468.647169][ T8870]  ? __pfx__printk+0x10/0x10
[  468.647193][ T8870]  ? kernfs_path_from_node+0x250/0x290
[  468.647209][ T8870]  ? kernfs_path_from_node+0x2f/0x290
[  468.647239][ T8870]  sysfs_create_dir_ns+0x259/0x280
[  468.647267][ T8870]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  468.647312][ T8870]  ? do_raw_spin_unlock+0x122/0x240
[  468.647335][ T8870]  kobject_add_internal+0x59f/0xb40
[  468.647364][ T8870]  kobject_init_and_add+0x125/0x190
[  468.647397][ T8870]  ? __pfx_kobject_init_and_add+0x10/0x10
[  468.647417][ T8870]  ? __raw_spin_lock_init+0x45/0x100
[  468.647436][ T8870]  ? __init_swait_queue_head+0xa9/0x150
[  468.647459][ T8870]  gfs2_sys_fs_add+0x234/0x450
[  468.647491][ T8870]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  468.647519][ T8870]  ? is_dynamic_key+0xd6/0x1c0
[  468.647540][ T8870]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  468.647573][ T8870]  gfs2_fill_super+0x13e5/0x2220
[  468.647613][ T8870]  ? __pfx_gfs2_fill_super+0x10/0x10
[  468.647641][ T8870]  ? sb_set_blocksize+0x104/0x180
[  468.647663][ T8870]  ? setup_bdev_super+0x4c1/0x5b0
[  468.647686][ T8870]  get_tree_bdev_flags+0x40e/0x4d0
[  468.647705][ T8870]  ? __pfx_gfs2_fill_super+0x10/0x10
[  468.647723][ T8870]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  468.647740][ T8870]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  468.647779][ T8870]  gfs2_get_tree+0x51/0x1e0
[  468.647801][ T8870]  vfs_get_tree+0x92/0x2b0
[  468.647824][ T8870]  do_new_mount+0x302/0xa10
[  468.647843][ T8870]  ? apparmor_capable+0x137/0x1b0
[  468.647870][ T8870]  ? __pfx_do_new_mount+0x10/0x10
[  468.647896][ T8870]  ? ns_capable+0x8a/0xf0
[  468.647922][ T8870]  ? kmem_cache_free+0x19b/0x690
[  468.647973][ T8870]  __se_sys_mount+0x313/0x410
[  468.648000][ T8870]  ? __pfx___se_sys_mount+0x10/0x10
[  468.648024][ T8870]  ? do_syscall_64+0xbe/0xfa0
[  468.648040][ T8870]  ? __x64_sys_mount+0x20/0xc0
[  468.648062][ T8870]  do_syscall_64+0xfa/0xfa0
[  468.648079][ T8870]  ? lockdep_hardirqs_on+0x9c/0x150
[  468.648096][ T8870]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  468.648114][ T8870]  ? clear_bhb_loop+0x60/0xb0
[  468.648135][ T8870]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  468.648152][ T8870] RIP: 0033:0x7f45e4d9076a
[  468.648169][ T8870] 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
[  468.648184][ T8870] RSP: 002b:00007f45e5bbbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  468.648203][ T8870] RAX: ffffffffffffffda RBX: 00007f45e5bbbef0 RCX: 00007f45e4d9076a
[  468.648216][ T8870] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f45e5bbbeb0
[  468.648228][ T8870] RBP: 0000200000000400 R08: 00007f45e5bbbef0 R09: 0000000000200001
[  468.648240][ T8870] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[  468.648252][ T8870] R13: 00007f45e5bbbeb0 R14: 00000000000125d5 R15: 0000200000000240
[  468.648288][ T8870]  </TASK>
[  468.648315][ T8870] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  468.979575][ T8870] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  469.007313][ T8865] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  469.035859][ T8871] loop3: detected capacity change from 0 to 32768
2025/10/22 23:35:13 executed programs: 577
[  469.112537][ T8865] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  469.169199][ T8871] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  469.187433][ T8871] CPU: 0 UID: 0 PID: 8871 Comm: syz.3.582 Not tainted syzkaller #0 PREEMPT(full) 
[  469.187459][ T8871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  469.187469][ T8871] Call Trace:
[  469.187477][ T8871]  <TASK>
[  469.187485][ T8871]  dump_stack_lvl+0x189/0x250
[  469.187512][ T8871]  ? __pfx_dump_stack_lvl+0x10/0x10
[  469.187532][ T8871]  ? __pfx__printk+0x10/0x10
[  469.187556][ T8871]  ? kernfs_path_from_node+0x250/0x290
[  469.187572][ T8871]  ? kernfs_path_from_node+0x2f/0x290
[  469.187592][ T8871]  sysfs_create_dir_ns+0x259/0x280
[  469.187619][ T8871]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  469.187645][ T8871]  ? do_raw_spin_unlock+0x122/0x240
[  469.187666][ T8871]  kobject_add_internal+0x59f/0xb40
[  469.187695][ T8871]  kobject_init_and_add+0x125/0x190
[  469.187720][ T8871]  ? __pfx_kobject_init_and_add+0x10/0x10
[  469.187740][ T8871]  ? __raw_spin_lock_init+0x45/0x100
[  469.187759][ T8871]  ? __init_swait_queue_head+0xa9/0x150
[  469.187782][ T8871]  gfs2_sys_fs_add+0x234/0x450
[  469.187807][ T8871]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  469.187835][ T8871]  ? is_dynamic_key+0xd6/0x1c0
[  469.187855][ T8871]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  469.187909][ T8871]  gfs2_fill_super+0x13e5/0x2220
[  469.187943][ T8871]  ? __pfx_gfs2_fill_super+0x10/0x10
[  469.187966][ T8871]  ? sb_set_blocksize+0x104/0x180
[  469.187989][ T8871]  ? setup_bdev_super+0x4c1/0x5b0
[  469.188011][ T8871]  get_tree_bdev_flags+0x40e/0x4d0
[  469.188029][ T8871]  ? __pfx_gfs2_fill_super+0x10/0x10
[  469.188047][ T8871]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  469.188064][ T8871]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  469.188097][ T8871]  gfs2_get_tree+0x51/0x1e0
[  469.188120][ T8871]  vfs_get_tree+0x92/0x2b0
[  469.188141][ T8871]  do_new_mount+0x302/0xa10
[  469.188168][ T8871]  ? apparmor_capable+0x137/0x1b0
[  469.188195][ T8871]  ? __pfx_do_new_mount+0x10/0x10
[  469.188214][ T8871]  ? ns_capable+0x8a/0xf0
[  469.188240][ T8871]  ? kmem_cache_free+0x19b/0x690
[  469.188269][ T8871]  __se_sys_mount+0x313/0x410
[  469.188294][ T8871]  ? __pfx___se_sys_mount+0x10/0x10
[  469.188317][ T8871]  ? do_syscall_64+0xbe/0xfa0
[  469.188333][ T8871]  ? __x64_sys_mount+0x20/0xc0
[  469.188355][ T8871]  do_syscall_64+0xfa/0xfa0
[  469.188372][ T8871]  ? lockdep_hardirqs_on+0x9c/0x150
[  469.188389][ T8871]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  469.188406][ T8871]  ? clear_bhb_loop+0x60/0xb0
[  469.188427][ T8871]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  469.188444][ T8871] RIP: 0033:0x7fa12dd9076a
[  469.188461][ T8871] 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
[  469.188476][ T8871] RSP: 002b:00007fa12ecaee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5