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
[ 447.628659][ T8712] RSP: 002b:00007f343dd69e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 447.628681][ T8712] RAX: ffffffffffffffda RBX: 00007f343dd69ef0 RCX: 00007f343cf9076a
[ 447.628696][ T8712] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f343dd69eb0
[ 447.628711][ T8712] RBP: 0000200000000400 R08: 00007f343dd69ef0 R09: 0000000000200001
[ 447.628724][ T8712] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 447.628738][ T8712] R13: 00007f343dd69eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 447.628769][ T8712]
[ 447.628778][ T8712] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 448.174185][ T8726] loop1: detected capacity change from 0 to 32768
[ 448.256286][ T8726] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 448.277008][ T8726] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 448.334968][ T8726] 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
[ 448.386946][ T8726] 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
[ 448.419083][ T8726] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8726 [syz.1.546] init_journal+0x19a3/0x2170
[ 448.440708][ T8726] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 448.469018][ T8726] CPU: 0 UID: 0 PID: 8726 Comm: syz.1.546 Not tainted syzkaller #0 PREEMPT(full)
[ 448.469046][ T8726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 448.469059][ T8726] Call Trace:
[ 448.469067][ T8726]
[ 448.469076][ T8726] dump_stack_lvl+0xe8/0x150
[ 448.469108][ T8726] gfs2_withdraw+0xc3/0x1b0
[ 448.469141][ T8726] gfs2_jdesc_check+0x17d/0x2f0
[ 448.469168][ T8726] check_journal_clean+0x158/0x310
[ 448.469200][ T8726] ? __pfx_check_journal_clean+0x10/0x10
[ 448.469232][ T8726] ? init_journal+0x19a3/0x2170
[ 448.469269][ T8726] ? do_raw_spin_unlock+0x122/0x240
[ 448.469294][ T8726] ? _raw_spin_unlock+0x28/0x50
[ 448.469323][ T8726] ? gfs2_jdesc_find+0xab/0xc0
[ 448.469345][ T8726] init_journal+0x19a3/0x2170
[ 448.469385][ T8726] ? init_inodes+0xdb/0x320
[ 448.469415][ T8726] ? vsnprintf+0x38b/0xee0
[ 448.469444][ T8726] ? __pfx_init_journal+0x10/0x10
[ 448.469474][ T8726] ? vsnprintf+0xdf1/0xee0
[ 448.469510][ T8726] ? snprintf+0xda/0x120
[ 448.469538][ T8726] ? init_inodes+0xdb/0x320
[ 448.469568][ T8726] ? __pfx_snprintf+0x10/0x10
[ 448.469596][ T8726] ? gfs2_glock_nq_num+0x13d/0x170
[ 448.469620][ T8726] init_inodes+0xdb/0x320
[ 448.469652][ T8726] gfs2_fill_super+0x1a08/0x21b0
[ 448.469696][ T8726] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.469729][ T8726] ? init_locking+0xb8/0x210
[ 448.469756][ T8726] ? sb_set_blocksize+0x155/0x240
[ 448.469783][ T8726] ? setup_bdev_super+0x4c1/0x5b0
[ 448.469814][ T8726] get_tree_bdev_flags+0x40e/0x4d0
[ 448.469842][ T8726] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.469872][ T8726] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 448.469898][ T8726] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 448.469934][ T8726] gfs2_get_tree+0x51/0x1e0
[ 448.469967][ T8726] vfs_get_tree+0x92/0x2a0
[ 448.469997][ T8726] do_new_mount+0x31a/0xcf0
[ 448.470022][ T8726] ? apparmor_capable+0x137/0x1a0
[ 448.470057][ T8726] ? __pfx_do_new_mount+0x10/0x10
[ 448.470078][ T8726] ? ns_capable+0x8a/0xf0
[ 448.470106][ T8726] ? user_path_at+0xd4/0x160
[ 448.470134][ T8726] ? user_path_at+0xd4/0x160
[ 448.470161][ T8726] __se_sys_mount+0x313/0x410
[ 448.470189][ T8726] ? __pfx___se_sys_mount+0x10/0x10
[ 448.470218][ T8726] ? __x64_sys_mount+0x20/0xc0
[ 448.470241][ T8726] do_syscall_64+0xec/0xf80
[ 448.470261][ T8726] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.470281][ T8726] ? trace_irq_disable+0x37/0x100
[ 448.470300][ T8726] ? clear_bhb_loop+0x40/0x90
[ 448.470324][ T8726] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.470344][ T8726] RIP: 0033:0x7f6a2799076a
[ 448.470367][ T8726] 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
[ 448.470385][ T8726] RSP: 002b:00007f6a28769e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 448.470407][ T8726] RAX: ffffffffffffffda RBX: 00007f6a28769ef0 RCX: 00007f6a2799076a
[ 448.470422][ T8726] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6a28769eb0
[ 448.470436][ T8726] RBP: 0000200000000400 R08: 00007f6a28769ef0 R09: 0000000000200001
[ 448.470450][ T8726] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 448.470464][ T8726] R13: 00007f6a28769eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 448.470495][ T8726]
[ 448.470503][ T8726] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 448.655173][ T8722] loop4: detected capacity change from 0 to 32768
[ 448.798988][ T8730] loop2: detected capacity change from 0 to 32768
[ 448.861248][ T8730] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 448.882017][ T8730] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 448.907590][ T8722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 448.910180][ T8730] 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
[ 448.931937][ T8722] CPU: 0 UID: 0 PID: 8722 Comm: syz.4.545 Not tainted syzkaller #0 PREEMPT(full)
[ 448.931964][ T8722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 448.931978][ T8722] Call Trace:
[ 448.931987][ T8722]
[ 448.931995][ T8722] dump_stack_lvl+0xe8/0x150
[ 448.932027][ T8722] sysfs_create_dir_ns+0x259/0x280
[ 448.932062][ T8722] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 448.932093][ T8722] ? do_raw_spin_unlock+0x122/0x240
[ 448.932119][ T8722] kobject_add_internal+0x6ab/0xcc0
[ 448.932153][ T8722] kobject_init_and_add+0x125/0x190
[ 448.932192][ T8722] ? __pfx_kobject_init_and_add+0x10/0x10
[ 448.932219][ T8722] ? __raw_spin_lock_init+0x45/0x100
[ 448.932241][ T8722] ? __init_swait_queue_head+0xa9/0x150
[ 448.932276][ T8722] gfs2_sys_fs_add+0x234/0x450
[ 448.932300][ T8722] ? is_dynamic_key+0x1ac/0x1c0
[ 448.932326][ T8722] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 448.932358][ T8722] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 448.932403][ T8722] gfs2_fill_super+0x1388/0x21b0
[ 448.932448][ T8722] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.932483][ T8722] ? sb_set_blocksize+0x155/0x240
[ 448.932511][ T8722] ? setup_bdev_super+0x4c1/0x5b0
[ 448.932542][ T8722] get_tree_bdev_flags+0x40e/0x4d0
[ 448.932570][ T8722] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.932600][ T8722] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 448.932625][ T8722] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 448.932661][ T8722] gfs2_get_tree+0x51/0x1e0
[ 448.932693][ T8722] vfs_get_tree+0x92/0x2a0
[ 448.932723][ T8722] do_new_mount+0x31a/0xcf0
[ 448.932741][ T8722] ? apparmor_capable+0x137/0x1a0
[ 448.932777][ T8722] ? __pfx_do_new_mount+0x10/0x10
[ 448.932798][ T8722] ? ns_capable+0x8a/0xf0
[ 448.932825][ T8722] ? user_path_at+0xd4/0x160
[ 448.932854][ T8722] ? user_path_at+0xd4/0x160
[ 448.932881][ T8722] __se_sys_mount+0x313/0x410
[ 448.932908][ T8722] ? __pfx___se_sys_mount+0x10/0x10
[ 448.932935][ T8722] ? __x64_sys_mount+0x20/0xc0
[ 448.932958][ T8722] do_syscall_64+0xec/0xf80
[ 448.932979][ T8722] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.933000][ T8722] ? trace_irq_disable+0x37/0x100
[ 448.933019][ T8722] ? clear_bhb_loop+0x40/0x90
[ 448.933044][ T8722] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.933064][ T8722] RIP: 0033:0x7fb96959076a
[ 448.933082][ T8722] 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
[ 448.933100][ T8722] RSP: 002b:00007fb96a4dde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 448.933121][ T8722] RAX: ffffffffffffffda RBX: 00007fb96a4ddef0 RCX: 00007fb96959076a
[ 448.933136][ T8722] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fb96a4ddeb0
[ 448.933151][ T8722] RBP: 0000200000000400 R08: 00007fb96a4ddef0 R09: 0000000000200001
[ 448.933170][ T8722] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 448.933183][ T8722] R13: 00007fb96a4ddeb0 R14: 00000000000125d5 R15: 0000200000000240
[ 448.933215][ T8722]
[ 448.933242][ T8722] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 448.937455][ T8732] loop3: detected capacity change from 0 to 32768
[ 449.253389][ T8722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 449.260096][ T8730] 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
[ 449.275951][ T8730] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8730 [syz.2.547] init_journal+0x19a3/0x2170
[ 449.296870][ T8730] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 449.313072][ T8732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 449.317129][ T8730] CPU: 0 UID: 0 PID: 8730 Comm: syz.2.547 Not tainted syzkaller #0 PREEMPT(full)
[ 449.317156][ T8730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 449.317168][ T8730] Call Trace:
[ 449.317176][ T8730]
[ 449.317185][ T8730] dump_stack_lvl+0xe8/0x150
[ 449.317216][ T8730] gfs2_withdraw+0xc3/0x1b0
[ 449.317248][ T8730] gfs2_jdesc_check+0x17d/0x2f0
[ 449.317273][ T8730] check_journal_clean+0x158/0x310
[ 449.317303][ T8730] ? __pfx_check_journal_clean+0x10/0x10
[ 449.317335][ T8730] ? init_journal+0x19a3/0x2170
[ 449.317370][ T8730] ? do_raw_spin_unlock+0x122/0x240
[ 449.317393][ T8730] ? _raw_spin_unlock+0x28/0x50
[ 449.317420][ T8730] ? gfs2_jdesc_find+0xab/0xc0
[ 449.317442][ T8730] init_journal+0x19a3/0x2170
[ 449.317480][ T8730] ? init_inodes+0xdb/0x320
[ 449.317508][ T8730] ? vsnprintf+0x38b/0xee0
[ 449.317536][ T8730] ? __pfx_init_journal+0x10/0x10
[ 449.317564][ T8730] ? vsnprintf+0xdf1/0xee0
[ 449.317598][ T8730] ? snprintf+0xda/0x120
[ 449.317626][ T8730] ? init_inodes+0xdb/0x320
[ 449.317654][ T8730] ? __pfx_snprintf+0x10/0x10
[ 449.317680][ T8730] ? gfs2_glock_nq_num+0x13d/0x170
[ 449.317703][ T8730] init_inodes+0xdb/0x320
[ 449.317734][ T8730] gfs2_fill_super+0x1a08/0x21b0
[ 449.317777][ T8730] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.317809][ T8730] ? init_locking+0xb8/0x210
[ 449.317835][ T8730] ? sb_set_blocksize+0x155/0x240
[ 449.317861][ T8730] ? setup_bdev_super+0x4c1/0x5b0
[ 449.317891][ T8730] get_tree_bdev_flags+0x40e/0x4d0
[ 449.317923][ T8730] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.317952][ T8730] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 449.317976][ T8730] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 449.318010][ T8730] gfs2_get_tree+0x51/0x1e0
[ 449.318041][ T8730] vfs_get_tree+0x92/0x2a0
[ 449.318069][ T8730] do_new_mount+0x31a/0xcf0
[ 449.318087][ T8730] ? apparmor_capable+0x137/0x1a0
[ 449.318121][ T8730] ? __pfx_do_new_mount+0x10/0x10
[ 449.318141][ T8730] ? ns_capable+0x8a/0xf0
[ 449.318167][ T8730] ? user_path_at+0xd4/0x160
[ 449.318194][ T8730] ? user_path_at+0xd4/0x160
[ 449.318219][ T8730] __se_sys_mount+0x313/0x410
[ 449.318246][ T8730] ? __pfx___se_sys_mount+0x10/0x10
[ 449.318272][ T8730] ? __x64_sys_mount+0x20/0xc0
[ 449.318294][ T8730] do_syscall_64+0xec/0xf80
[ 449.318314][ T8730] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.318333][ T8730] ? trace_irq_disable+0x37/0x100
[ 449.318351][ T8730] ? clear_bhb_loop+0x40/0x90
[ 449.318374][ T8730] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.318393][ T8730] RIP: 0033:0x7f2d4a79076a
[ 449.318410][ 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
[ 449.318428][ T8730] RSP: 002b:00007f2d4b6a4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 449.318449][ T8730] RAX: ffffffffffffffda RBX: 00007f2d4b6a4ef0 RCX: 00007f2d4a79076a
[ 449.318463][ T8730] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f2d4b6a4eb0
[ 449.318477][ T8730] RBP: 0000200000000400 R08: 00007f2d4b6a4ef0 R09: 0000000000200001
[ 449.318491][ T8730] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 449.318504][ T8730] R13: 00007f2d4b6a4eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 449.318534][ T8730]
[ 449.318543][ T8730] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 449.326931][ T8732] CPU: 1 UID: 0 PID: 8732 Comm: syz.3.548 Not tainted syzkaller #0 PREEMPT(full)
[ 449.326957][ T8732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 449.326970][ T8732] Call Trace:
[ 449.326978][ T8732]
[ 449.326986][ T8732] dump_stack_lvl+0xe8/0x150
[ 449.327016][ T8732] sysfs_create_dir_ns+0x259/0x280
[ 449.327048][ T8732] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 449.327078][ T8732] ? do_raw_spin_unlock+0x122/0x240
[ 449.327102][ T8732] kobject_add_internal+0x6ab/0xcc0
[ 449.327135][ T8732] kobject_init_and_add+0x125/0x190
[ 449.327171][ T8732] ? __pfx_kobject_init_and_add+0x10/0x10
[ 449.327195][ T8732] ? __raw_spin_lock_init+0x45/0x100
[ 449.327217][ T8732] ? __init_swait_queue_head+0xa9/0x150
[ 449.327251][ T8732] gfs2_sys_fs_add+0x234/0x450
[ 449.327273][ T8732] ? is_dynamic_key+0x1ac/0x1c0
[ 449.327297][ T8732] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 449.327328][ T8732] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 449.327371][ T8732] gfs2_fill_super+0x1388/0x21b0
[ 449.327414][ T8732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.327447][ T8732] ? sb_set_blocksize+0x155/0x240
[ 449.327474][ T8732] ? setup_bdev_super+0x4c1/0x5b0
[ 449.327503][ T8732] get_tree_bdev_flags+0x40e/0x4d0
[ 449.327529][ T8732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.327558][ T8732] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 449.327582][ T8732] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 449.327616][ T8732] gfs2_get_tree+0x51/0x1e0
[ 449.327648][ T8732] vfs_get_tree+0x92/0x2a0
[ 449.327676][ T8732] do_new_mount+0x31a/0xcf0
[ 449.327694][ T8732] ? apparmor_capable+0x137/0x1a0
[ 449.327728][ T8732] ? __pfx_do_new_mount+0x10/0x10
[ 449.327747][ T8732] ? ns_capable+0x8a/0xf0
[ 449.327773][ T8732] ? user_path_at+0xd4/0x160
[ 449.327800][ T8732] ? user_path_at+0xd4/0x160
[ 449.327825][ T8732] __se_sys_mount+0x313/0x410
[ 449.327851][ T8732] ? __pfx___se_sys_mount+0x10/0x10
[ 449.327877][ T8732] ? __x64_sys_mount+0x20/0xc0
[ 449.327898][ T8732] do_syscall_64+0xec/0xf80
[ 449.327914][ T8732] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.327929][ T8732] ? trace_irq_disable+0x37/0x100
[ 449.327943][ T8732] ? clear_bhb_loop+0x40/0x90
[ 449.327966][ T8732] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.327985][ T8732] RIP: 0033:0x7f626e19076a
[ 449.328004][ T8732] 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
[ 449.328021][ T8732] RSP: 002b:00007f626f0f1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 449.328042][ T8732] RAX: ffffffffffffffda RBX: 00007f626f0f1ef0 RCX: 00007f626e19076a
[ 449.328056][ T8732] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f626f0f1eb0
[ 449.328070][ T8732] RBP: 0000200000000400 R08: 00007f626f0f1ef0 R09: 0000000000200001
[ 449.328084][ T8732] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 449.328096][ T8732] R13: 00007f626f0f1eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 449.328126][ T8732]
[ 449.328159][ T8732] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 450.006833][ T8732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 450.007287][ T8736] loop0: detected capacity change from 0 to 32768
[ 450.079189][ T8736] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 450.144600][ T8736] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 450.232685][ T8736] 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
[ 450.286836][ T8736] 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
[ 450.319171][ T8736] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8736 [syz.0.549] init_journal+0x19a3/0x2170
[ 450.359570][ T8736] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 450.399622][ T8736] CPU: 0 UID: 0 PID: 8736 Comm: syz.0.549 Not tainted syzkaller #0 PREEMPT(full)
[ 450.399650][ T8736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 450.399663][ T8736] Call Trace:
[ 450.399672][ T8736]
[ 450.399681][ T8736] dump_stack_lvl+0xe8/0x150
[ 450.399713][ T8736] gfs2_withdraw+0xc3/0x1b0
[ 450.399746][ T8736] gfs2_jdesc_check+0x17d/0x2f0
[ 450.399772][ T8736] check_journal_clean+0x158/0x310
[ 450.399803][ T8736] ? __pfx_check_journal_clean+0x10/0x10
[ 450.399837][ T8736] ? init_journal+0x19a3/0x2170
[ 450.399875][ T8736] ? do_raw_spin_unlock+0x122/0x240
[ 450.399899][ T8736] ? _raw_spin_unlock+0x28/0x50
[ 450.399929][ T8736] ? gfs2_jdesc_find+0xab/0xc0
[ 450.399952][ T8736] init_journal+0x19a3/0x2170
[ 450.399993][ T8736] ? init_inodes+0xdb/0x320
[ 450.400022][ T8736] ? vsnprintf+0x38b/0xee0
[ 450.400058][ T8736] ? __pfx_init_journal+0x10/0x10
[ 450.400088][ T8736] ? vsnprintf+0xdf1/0xee0
[ 450.400125][ T8736] ? snprintf+0xda/0x120
[ 450.400154][ T8736] ? init_inodes+0xdb/0x320
[ 450.400183][ T8736] ? __pfx_snprintf+0x10/0x10
[ 450.400212][ T8736] ? gfs2_glock_nq_num+0x13d/0x170
[ 450.400236][ T8736] init_inodes+0xdb/0x320
[ 450.400269][ T8736] gfs2_fill_super+0x1a08/0x21b0
[ 450.400315][ T8736] ? __pfx_gfs2_fill_super+0x10/0x10
[ 450.400348][ T8736] ? init_locking+0xb8/0x210
[ 450.400376][ T8736] ? sb_set_blocksize+0x155/0x240
[ 450.400404][ T8736] ? setup_bdev_super+0x4c1/0x5b0
[ 450.400435][ T8736] get_tree_bdev_flags+0x40e/0x4d0
[ 450.400464][ T8736] ? __pfx_gfs2_fill_super+0x10/0x10
[ 450.400494][ T8736] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 450.400520][ T8736] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 450.400558][ T8736] gfs2_get_tree+0x51/0x1e0
[ 450.400591][ T8736] vfs_get_tree+0x92/0x2a0
[ 450.400621][ T8736] do_new_mount+0x31a/0xcf0
[ 450.400641][ T8736] ? apparmor_capable+0x137/0x1a0
[ 450.400676][ T8736] ? __pfx_do_new_mount+0x10/0x10
[ 450.400696][ T8736] ? ns_capable+0x8a/0xf0
[ 450.400724][ T8736] ? user_path_at+0xd4/0x160
[ 450.400753][ T8736] ? user_path_at+0xd4/0x160
[ 450.400780][ T8736] __se_sys_mount+0x313/0x410
[ 450.400808][ T8736] ? __pfx___se_sys_mount+0x10/0x10
[ 450.400836][ T8736] ? __x64_sys_mount+0x20/0xc0
[ 450.400859][ T8736] do_syscall_64+0xec/0xf80
[ 450.400881][ T8736] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.400900][ T8736] ? trace_irq_disable+0x37/0x100
[ 450.400919][ T8736] ? clear_bhb_loop+0x40/0x90
[ 450.400944][ T8736] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.400964][ T8736] RIP: 0033:0x7f343cf9076a
[ 450.400983][ 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
[ 450.401001][ T8736] RSP: 002b:00007f343dd69e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 450.401023][ T8736] RAX: ffffffffffffffda RBX: 00007f343dd69ef0 RCX: 00007f343cf9076a
[ 450.401044][ T8736] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f343dd69eb0
[ 450.401059][ T8736] RBP: 0000200000000400 R08: 00007f343dd69ef0 R09: 0000000000200001
[ 450.401073][ T8736] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 450.401086][ T8736] R13: 00007f343dd69eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 450.401118][ T8736]
[ 450.401127][ T8736] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 451.076355][ T8742] loop1: detected capacity change from 0 to 32768
[ 451.159359][ T8742] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 451.218932][ T8742] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 451.280504][ 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
[ 451.307407][ 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
[ 451.336035][ T8746] loop4: detected capacity change from 0 to 32768
[ 451.358820][ T8742] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8742 [syz.1.550] init_journal+0x19a3/0x2170
[ 451.398455][ T8742] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 451.428682][ T8742] CPU: 0 UID: 0 PID: 8742 Comm: syz.1.550 Not tainted syzkaller #0 PREEMPT(full)
[ 451.428711][ T8742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 451.428724][ T8742] Call Trace:
[ 451.428740][ T8742]
[ 451.428750][ T8742] dump_stack_lvl+0xe8/0x150
[ 451.428782][ T8742] gfs2_withdraw+0xc3/0x1b0
[ 451.428815][ T8742] gfs2_jdesc_check+0x17d/0x2f0
[ 451.428842][ T8742] check_journal_clean+0x158/0x310
[ 451.428874][ T8742] ? __pfx_check_journal_clean+0x10/0x10
[ 451.428907][ T8742] ? init_journal+0x19a3/0x2170
[ 451.428944][ T8742] ? do_raw_spin_unlock+0x122/0x240
[ 451.428968][ T8742] ? _raw_spin_unlock+0x28/0x50
[ 451.428997][ T8742] ? gfs2_jdesc_find+0xab/0xc0
[ 451.429019][ T8742] init_journal+0x19a3/0x2170
[ 451.429060][ T8742] ? init_inodes+0xdb/0x320
[ 451.429089][ T8742] ? vsnprintf+0x38b/0xee0
[ 451.429118][ T8742] ? __pfx_init_journal+0x10/0x10
[ 451.429147][ T8742] ? vsnprintf+0xdf1/0xee0
[ 451.429184][ T8742] ? snprintf+0xda/0x120
[ 451.429213][ T8742] ? init_inodes+0xdb/0x320
[ 451.429242][ T8742] ? __pfx_snprintf+0x10/0x10
[ 451.429270][ T8742] ? gfs2_glock_nq_num+0x13d/0x170
[ 451.429294][ T8742] init_inodes+0xdb/0x320
[ 451.429326][ T8742] gfs2_fill_super+0x1a08/0x21b0
[ 451.429371][ T8742] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.429405][ T8742] ? init_locking+0xb8/0x210
[ 451.429433][ T8742] ? sb_set_blocksize+0x155/0x240
[ 451.429460][ T8742] ? setup_bdev_super+0x4c1/0x5b0
[ 451.429492][ T8742] get_tree_bdev_flags+0x40e/0x4d0
[ 451.429520][ T8742] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.429550][ T8742] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 451.429576][ T8742] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 451.429611][ T8742] gfs2_get_tree+0x51/0x1e0
[ 451.429644][ T8742] vfs_get_tree+0x92/0x2a0
[ 451.429673][ T8742] do_new_mount+0x31a/0xcf0
[ 451.429692][ T8742] ? apparmor_capable+0x137/0x1a0
[ 451.429727][ T8742] ? __pfx_do_new_mount+0x10/0x10
[ 451.429753][ T8742] ? ns_capable+0x8a/0xf0
[ 451.429781][ T8742] ? user_path_at+0xd4/0x160
[ 451.429810][ T8742] ? user_path_at+0xd4/0x160
[ 451.429836][ T8742] __se_sys_mount+0x313/0x410
[ 451.429863][ T8742] ? __pfx___se_sys_mount+0x10/0x10
[ 451.429891][ T8742] ? __x64_sys_mount+0x20/0xc0
[ 451.429914][ T8742] do_syscall_64+0xec/0xf80
[ 451.429935][ T8742] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.429955][ T8742] ? trace_irq_disable+0x37/0x100
[ 451.429973][ T8742] ? clear_bhb_loop+0x40/0x90
[ 451.429997][ T8742] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.430018][ T8742] RIP: 0033:0x7f6a2799076a
[ 451.430038][ 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
[ 451.430056][ T8742] RSP: 002b:00007f6a28769e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 451.430078][ T8742] RAX: ffffffffffffffda RBX: 00007f6a28769ef0 RCX: 00007f6a2799076a
[ 451.430093][ T8742] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6a28769eb0
[ 451.430107][ T8742] RBP: 0000200000000400 R08: 00007f6a28769ef0 R09: 0000000000200001
[ 451.430121][ T8742] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 451.430134][ T8742] R13: 00007f6a28769eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 451.430165][ T8742]
[ 451.430173][ T8742] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 451.667066][ T8746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 451.738440][ T8754] loop2: detected capacity change from 0 to 32768
[ 451.743657][ T8746] CPU: 1 UID: 0 PID: 8746 Comm: syz.4.551 Not tainted syzkaller #0 PREEMPT(full)
[ 451.743682][ T8746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 451.743695][ T8746] Call Trace:
[ 451.743703][ T8746]
[ 451.743711][ T8746] dump_stack_lvl+0xe8/0x150
[ 451.743743][ T8746] sysfs_create_dir_ns+0x259/0x280
[ 451.743775][ T8746] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 451.743804][ T8746] ? do_raw_spin_unlock+0x122/0x240
[ 451.743829][ T8746] kobject_add_internal+0x6ab/0xcc0
[ 451.743861][ T8746] kobject_init_and_add+0x125/0x190
[ 451.743889][ T8746] ? __pfx_kobject_init_and_add+0x10/0x10
[ 451.743914][ T8746] ? __raw_spin_lock_init+0x45/0x100
[ 451.743936][ T8746] ? __init_swait_queue_head+0xa9/0x150
[ 451.743976][ T8746] gfs2_sys_fs_add+0x234/0x450
[ 451.743998][ T8746] ? is_dynamic_key+0x1ac/0x1c0
[ 451.744023][ T8746] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 451.744053][ T8746] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 451.744096][ T8746] gfs2_fill_super+0x1388/0x21b0
[ 451.744154][ T8746] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.744187][ T8746] ? sb_set_blocksize+0x155/0x240
[ 451.744214][ T8746] ? setup_bdev_super+0x4c1/0x5b0
[ 451.744243][ T8746] get_tree_bdev_flags+0x40e/0x4d0
[ 451.744270][ T8746] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.744298][ T8746] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 451.744330][ T8746] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 451.744365][ T8746] gfs2_get_tree+0x51/0x1e0
[ 451.744396][ T8746] vfs_get_tree+0x92/0x2a0
[ 451.744424][ T8746] do_new_mount+0x31a/0xcf0
[ 451.744442][ T8746] ? apparmor_capable+0x137/0x1a0
[ 451.744477][ T8746] ? __pfx_do_new_mount+0x10/0x10
[ 451.744496][ T8746] ? ns_capable+0x8a/0xf0
[ 451.744523][ T8746] ? user_path_at+0xd4/0x160
[ 451.744551][ T8746] ? user_path_at+0xd4/0x160
[ 451.744576][ T8746] __se_sys_mount+0x313/0x410
[ 451.744602][ T8746] ? __pfx___se_sys_mount+0x10/0x10
[ 451.744628][ T8746] ? __x64_sys_mount+0x20/0xc0
[ 451.744651][ T8746] do_syscall_64+0xec/0xf80
[ 451.744675][ T8746] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.744693][ T8746] ? trace_irq_disable+0x37/0x100
[ 451.744711][ T8746] ? clear_bhb_loop+0x40/0x90
[ 451.744734][ T8746] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.744754][ T8746] RIP: 0033:0x7fb96959076a
[ 451.744772][ 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
[ 451.744789][ T8746] RSP: 002b:00007fb96a4dde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 451.744809][ T8746] RAX: ffffffffffffffda RBX: 00007fb96a4ddef0 RCX: 00007fb96959076a
[ 451.744823][ T8746] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fb96a4ddeb0
[ 451.744837][ T8746] RBP: 0000200000000400 R08: 00007fb96a4ddef0 R09: 0000000000200001
[ 451.744851][ T8746] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 451.744864][ T8746] R13: 00007fb96a4ddeb0 R14: 00000000000125d5 R15: 0000200000000240
[ 451.744893][ T8746]
[ 451.744922][ T8746] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 452.039828][ T8750] loop3: detected capacity change from 0 to 32768
[ 452.058038][ T8746] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 452.111959][ T8754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 452.151997][ T8754] CPU: 1 UID: 0 PID: 8754 Comm: syz.2.553 Not tainted syzkaller #0 PREEMPT(full)
[ 452.152025][ T8754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 452.152039][ T8754] Call Trace:
[ 452.152047][ T8754]
[ 452.152056][ T8754] dump_stack_lvl+0xe8/0x150
[ 452.152088][ T8754] sysfs_create_dir_ns+0x259/0x280
[ 452.152122][ T8754] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 452.152159][ T8754] ? do_raw_spin_unlock+0x122/0x240
[ 452.152185][ T8754] kobject_add_internal+0x6ab/0xcc0
[ 452.152219][ T8754] kobject_init_and_add+0x125/0x190
[ 452.152249][ T8754] ? __pfx_kobject_init_and_add+0x10/0x10
[ 452.152276][ T8754] ? __raw_spin_lock_init+0x45/0x100
[ 452.152298][ T8754] ? __init_swait_queue_head+0xa9/0x150
[ 452.152333][ T8754] gfs2_sys_fs_add+0x234/0x450
[ 452.152357][ T8754] ? is_dynamic_key+0x1ac/0x1c0
[ 452.152383][ T8754] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 452.152411][ T8754] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 452.152453][ T8754] gfs2_fill_super+0x1388/0x21b0
[ 452.152493][ T8754] ? __pfx_gfs2_fill_super+0x10/0x10
[ 452.152526][ T8754] ? sb_set_blocksize+0x155/0x240
[ 452.152553][ T8754] ? setup_bdev_super+0x4c1/0x5b0
[ 452.152584][ T8754] get_tree_bdev_flags+0x40e/0x4d0
[ 452.152610][ T8754] ? __pfx_gfs2_fill_super+0x10/0x10
[ 452.152636][ T8754] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 452.152668][ T8754] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 452.152705][ T8754] gfs2_get_tree+0x51/0x1e0
[ 452.152738][ T8754] vfs_get_tree+0x92/0x2a0
[ 452.152768][ T8754] do_new_mount+0x31a/0xcf0
[ 452.152787][ T8754] ? apparmor_capable+0x137/0x1a0
[ 452.152822][ T8754] ? __pfx_do_new_mount+0x10/0x10
[ 452.152842][ T8754] ? ns_capable+0x8a/0xf0
[ 452.152871][ T8754] ? user_path_at+0xd4/0x160
[ 452.152900][ T8754] ? user_path_at+0xd4/0x160
[ 452.152926][ T8754] __se_sys_mount+0x313/0x410
[ 452.152954][ T8754] ? __pfx___se_sys_mount+0x10/0x10
[ 452.152982][ T8754] ? __x64_sys_mount+0x20/0xc0
[ 452.153006][ T8754] do_syscall_64+0xec/0xf80
[ 452.153027][ T8754] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.153046][ T8754] ? trace_irq_disable+0x37/0x100
[ 452.153066][ T8754] ? clear_bhb_loop+0x40/0x90
[ 452.153091][ T8754] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.153111][ T8754] RIP: 0033:0x7f2d4a79076a
[ 452.153130][ T8754] 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
[ 452.153147][ T8754] RSP: 002b:00007f2d4b662e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 452.153168][ T8754] RAX: ffffffffffffffda RBX: 00007f2d4b662ef0 RCX: 00007f2d4a79076a
[ 452.153184][ T8754] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f2d4b662eb0
[ 452.153198][ T8754] RBP: 0000200000000400 R08: 00007f2d4b662ef0 R09: 0000000000200001
[ 452.153212][ T8754] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 452.153225][ T8754] R13: 00007f2d4b662eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 452.153257][ T8754]
[ 452.153513][ T8754] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 452.154996][ T8750] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 452.163104][ T8754] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 452.482561][ T8750] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 452.511364][ T8750] 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
[ 452.546896][ T8750] 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
[ 452.555887][ T8750] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8750 [syz.3.552] init_journal+0x19a3/0x2170
[ 452.603739][ T8750] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 452.611919][ T8750] CPU: 1 UID: 0 PID: 8750 Comm: syz.3.552 Not tainted syzkaller #0 PREEMPT(full)
[ 452.611948][ T8750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 452.611962][ T8750] Call Trace:
[ 452.611971][ T8750]
[ 452.611980][ T8750] dump_stack_lvl+0xe8/0x150
[ 452.612011][ T8750] gfs2_withdraw+0xc3/0x1b0
[ 452.612044][ T8750] gfs2_jdesc_check+0x17d/0x2f0
[ 452.612071][ T8750] check_journal_clean+0x158/0x310
[ 452.612103][ T8750] ? __pfx_check_journal_clean+0x10/0x10
[ 452.612134][ T8750] ? init_journal+0x19a3/0x2170
[ 452.612170][ T8750] ? do_raw_spin_unlock+0x122/0x240
[ 452.612195][ T8750] ? _raw_spin_unlock+0x28/0x50
[ 452.612224][ T8750] ? gfs2_jdesc_find+0xab/0xc0
[ 452.612247][ T8750] init_journal+0x19a3/0x2170
[ 452.612287][ T8750] ? init_inodes+0xdb/0x320
[ 452.612315][ T8750] ? vsnprintf+0x38b/0xee0
[ 452.612344][ T8750] ? __pfx_init_journal+0x10/0x10
[ 452.612373][ T8750] ? vsnprintf+0xdf1/0xee0
[ 452.612410][ T8750] ? snprintf+0xda/0x120
[ 452.612439][ T8750] ? init_inodes+0xdb/0x320
[ 452.612468][ T8750] ? __pfx_snprintf+0x10/0x10
[ 452.612496][ T8750] ? gfs2_glock_nq_num+0x13d/0x170
[ 452.612520][ T8750] init_inodes+0xdb/0x320
[ 452.612552][ T8750] gfs2_fill_super+0x1a08/0x21b0
[ 452.612597][ T8750] ? __pfx_gfs2_fill_super+0x10/0x10
[ 452.612641][ T8750] ? init_locking+0xb8/0x210
[ 452.612669][ T8750] ? sb_set_blocksize+0x155/0x240
[ 452.612696][ T8750] ? setup_bdev_super+0x4c1/0x5b0
[ 452.612724][ T8750] get_tree_bdev_flags+0x40e/0x4d0
[ 452.612751][ T8750] ? __pfx_gfs2_fill_super+0x10/0x10
[ 452.612780][ T8750] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 452.612806][ T8750] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 452.612841][ T8750] gfs2_get_tree+0x51/0x1e0
[ 452.612873][ T8750] vfs_get_tree+0x92/0x2a0
[ 452.612903][ T8750] do_new_mount+0x31a/0xcf0
[ 452.612921][ T8750] ? apparmor_capable+0x137/0x1a0
[ 452.612955][ T8750] ? __pfx_do_new_mount+0x10/0x10
[ 452.612975][ T8750] ? ns_capable+0x8a/0xf0
[ 452.613002][ T8750] ? user_path_at+0xd4/0x160
[ 452.613032][ T8750] ? user_path_at+0xd4/0x160
[ 452.613059][ T8750] __se_sys_mount+0x313/0x410
[ 452.613087][ T8750] ? __pfx___se_sys_mount+0x10/0x10
[ 452.613115][ T8750] ? __x64_sys_mount+0x20/0xc0
[ 452.613140][ T8750] do_syscall_64+0xec/0xf80
[ 452.613161][ T8750] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.613182][ T8750] ? trace_irq_disable+0x37/0x100
[ 452.613201][ T8750] ? clear_bhb_loop+0x40/0x90
2026/01/13 10:00:13 executed programs: 548
[ 452.613226][ T8750] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.613248][ T8750] RIP: 0033:0x7f626e19076a
[ 452.613267][ T8750] 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
[ 452.613284][ T8750] RSP: 002b:00007f626f0f1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 452.613306][ T8750] RAX: ffffffffffffffda RBX: 00007f626f0f1ef0 RCX: 00007f626e19076a
[ 452.613322][ T8750] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f626f0f1eb0
[ 452.613337][ T8750] RBP: 0000200000000400 R08: 00007f626f0f1ef0 R09: 0000000000200001
[ 452.613353][ T8750] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 452.613367][ T8750] R13: 00007f626f0f1eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 452.613400][ T8750]
[ 452.613408][ T8750] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 453.024602][ T8758] loop0: detected capacity change from 0 to 32768
[ 453.061201][ T8758] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 453.163694][ T8758] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 453.212389][ T8758] 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
[ 453.260051][ T8758] 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
[ 453.291048][ T8758] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8758 [syz.0.554] init_journal+0x19a3/0x2170
[ 453.318717][ T8758] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 453.356873][ T8758] CPU: 0 UID: 0 PID: 8758 Comm: syz.0.554 Not tainted syzkaller #0 PREEMPT(full)
[ 453.356901][ T8758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 453.356915][ T8758] Call Trace:
[ 453.356923][ T8758]
[ 453.356932][ T8758] dump_stack_lvl+0xe8/0x150
[ 453.356965][ T8758] gfs2_withdraw+0xc3/0x1b0
[ 453.356998][ T8758] gfs2_jdesc_check+0x17d/0x2f0
[ 453.357024][ T8758] check_journal_clean+0x158/0x310
[ 453.357057][ T8758] ? __pfx_check_journal_clean+0x10/0x10
[ 453.357090][ T8758] ? init_journal+0x19a3/0x2170
[ 453.357127][ T8758] ? do_raw_spin_unlock+0x122/0x240
[ 453.357152][ T8758] ? _raw_spin_unlock+0x28/0x50
[ 453.357181][ T8758] ? gfs2_jdesc_find+0xab/0xc0
[ 453.357203][ T8758] init_journal+0x19a3/0x2170
[ 453.357252][ T8758] ? init_inodes+0xdb/0x320
[ 453.357281][ T8758] ? vsnprintf+0x38b/0xee0
[ 453.357311][ T8758] ? __pfx_init_journal+0x10/0x10
[ 453.357340][ T8758] ? vsnprintf+0xdf1/0xee0
[ 453.357377][ T8758] ? snprintf+0xda/0x120
[ 453.357405][ T8758] ? init_inodes+0xdb/0x320
[ 453.357435][ T8758] ? __pfx_snprintf+0x10/0x10
[ 453.357463][ T8758] ? gfs2_glock_nq_num+0x13d/0x170
[ 453.357487][ T8758] init_inodes+0xdb/0x320
[ 453.357519][ T8758] gfs2_fill_super+0x1a08/0x21b0
[ 453.357572][ T8758] ? __pfx_gfs2_fill_super+0x10/0x10
[ 453.357606][ T8758] ? init_locking+0xb8/0x210
[ 453.357634][ T8758] ? sb_set_blocksize+0x155/0x240
[ 453.357661][ T8758] ? setup_bdev_super+0x4c1/0x5b0
[ 453.357692][ T8758] get_tree_bdev_flags+0x40e/0x4d0
[ 453.357721][ T8758] ? __pfx_gfs2_fill_super+0x10/0x10
[ 453.357757][ T8758] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 453.357783][ T8758] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 453.357818][ T8758] gfs2_get_tree+0x51/0x1e0
[ 453.357850][ T8758] vfs_get_tree+0x92/0x2a0
[ 453.357880][ T8758] do_new_mount+0x31a/0xcf0
[ 453.357900][ T8758] ? apparmor_capable+0x137/0x1a0
[ 453.357935][ T8758] ? __pfx_do_new_mount+0x10/0x10
[ 453.357955][ T8758] ? ns_capable+0x8a/0xf0
[ 453.357983][ T8758] ? user_path_at+0xd4/0x160
[ 453.358011][ T8758] ? user_path_at+0xd4/0x160
[ 453.358038][ T8758] __se_sys_mount+0x313/0x410
[ 453.358065][ T8758] ? __pfx___se_sys_mount+0x10/0x10
[ 453.358093][ T8758] ? __x64_sys_mount+0x20/0xc0
[ 453.358116][ T8758] do_syscall_64+0xec/0xf80
[ 453.358137][ T8758] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.358156][ T8758] ? trace_irq_disable+0x37/0x100
[ 453.358175][ T8758] ? clear_bhb_loop+0x40/0x90
[ 453.358199][ T8758] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 453.358219][ T8758] RIP: 0033:0x7f343cf9076a
[ 453.358239][ 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
[ 453.358257][ T8758] RSP: 002b:00007f343dd69e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 453.358278][ T8758] RAX: ffffffffffffffda RBX: 00007f343dd69ef0 RCX: 00007f343cf9076a
[ 453.358294][ T8758] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f343dd69eb0
[ 453.358308][ T8758] RBP: 0000200000000400 R08: 00007f343dd69ef0 R09: 0000000000200001
[ 453.358322][ T8758] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 453.358335][ T8758] R13: 00007f343dd69eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 453.358366][ T8758]
[ 453.358376][ T8758] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 454.178637][ T8769] loop1: detected capacity change from 0 to 32768
[ 454.239839][ T8769] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 454.256921][ T8769] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 454.274264][ T8769] 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
[ 454.349907][ T8773] loop2: detected capacity change from 0 to 32768
[ 454.369775][ T8769] 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
[ 454.379290][ T8769] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8769 [syz.1.556] init_journal+0x19a3/0x2170
[ 454.389662][ T8769] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 454.397862][ T8769] CPU: 0 UID: 0 PID: 8769 Comm: syz.1.556 Not tainted syzkaller #0 PREEMPT(full)
[ 454.397887][ T8769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 454.397901][ T8769] Call Trace:
[ 454.397909][ T8769]
[ 454.397918][ T8769] dump_stack_lvl+0xe8/0x150
[ 454.397949][ T8769] gfs2_withdraw+0xc3/0x1b0
[ 454.397981][ T8769] gfs2_jdesc_check+0x17d/0x2f0
[ 454.398008][ T8769] check_journal_clean+0x158/0x310
[ 454.398041][ T8769] ? __pfx_check_journal_clean+0x10/0x10
[ 454.398073][ T8769] ? init_journal+0x19a3/0x2170
[ 454.398110][ T8769] ? do_raw_spin_unlock+0x122/0x240
[ 454.398135][ T8769] ? _raw_spin_unlock+0x28/0x50
[ 454.398164][ T8769] ? gfs2_jdesc_find+0xab/0xc0
[ 454.398187][ T8769] init_journal+0x19a3/0x2170
[ 454.398227][ T8769] ? init_inodes+0xdb/0x320
[ 454.398256][ T8769] ? vsnprintf+0x38b/0xee0
[ 454.398284][ T8769] ? __pfx_init_journal+0x10/0x10
[ 454.398313][ T8769] ? vsnprintf+0xdf1/0xee0
[ 454.398349][ T8769] ? snprintf+0xda/0x120
[ 454.398377][ T8769] ? init_inodes+0xdb/0x320
[ 454.398406][ T8769] ? __pfx_snprintf+0x10/0x10
[ 454.398435][ T8769] ? gfs2_glock_nq_num+0x13d/0x170
[ 454.398483][ T8769] init_inodes+0xdb/0x320
[ 454.398516][ T8769] gfs2_fill_super+0x1a08/0x21b0
[ 454.398561][ T8769] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.398594][ T8769] ? init_locking+0xb8/0x210
[ 454.398622][ T8769] ? sb_set_blocksize+0x155/0x240
[ 454.398650][ T8769] ? setup_bdev_super+0x4c1/0x5b0
[ 454.398680][ T8769] get_tree_bdev_flags+0x40e/0x4d0
[ 454.398708][ T8769] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.398738][ T8769] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 454.398763][ T8769] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 454.398800][ T8769] gfs2_get_tree+0x51/0x1e0
[ 454.398838][ T8769] vfs_get_tree+0x92/0x2a0
[ 454.398868][ T8769] do_new_mount+0x31a/0xcf0
[ 454.398887][ T8769] ? apparmor_capable+0x137/0x1a0
[ 454.398923][ T8769] ? __pfx_do_new_mount+0x10/0x10
[ 454.398944][ T8769] ? ns_capable+0x8a/0xf0
[ 454.398971][ T8769] ? user_path_at+0xd4/0x160
[ 454.399000][ T8769] ? user_path_at+0xd4/0x160
[ 454.399026][ T8769] __se_sys_mount+0x313/0x410
[ 454.399053][ T8769] ? __pfx___se_sys_mount+0x10/0x10
[ 454.399080][ T8769] ? __x64_sys_mount+0x20/0xc0
[ 454.399104][ T8769] do_syscall_64+0xec/0xf80
[ 454.399125][ T8769] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.399145][ T8769] ? trace_irq_disable+0x37/0x100
[ 454.399164][ T8769] ? clear_bhb_loop+0x40/0x90
[ 454.399188][ T8769] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.399209][ T8769] RIP: 0033:0x7f6a2799076a
[ 454.399227][ T8769] 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
[ 454.399245][ T8769] RSP: 002b:00007f6a28769e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 454.399267][ T8769] RAX: ffffffffffffffda RBX: 00007f6a28769ef0 RCX: 00007f6a2799076a
[ 454.399281][ T8769] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6a28769eb0
[ 454.399296][ T8769] RBP: 0000200000000400 R08: 00007f6a28769ef0 R09: 0000000000200001
[ 454.399311][ T8769] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 454.399325][ T8769] R13: 00007f6a28769eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 454.399352][ T8769]
[ 454.399359][ T8769] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 454.476181][ T8768] loop4: detected capacity change from 0 to 32768
[ 454.779042][ T8768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 454.786457][ T8768] CPU: 1 UID: 0 PID: 8768 Comm: syz.4.555 Not tainted syzkaller #0 PREEMPT(full)
[ 454.786483][ T8768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 454.786504][ T8768] Call Trace:
[ 454.786513][ T8768]
[ 454.786521][ T8768] dump_stack_lvl+0xe8/0x150
[ 454.786553][ T8768] sysfs_create_dir_ns+0x259/0x280
[ 454.786586][ T8768] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 454.786617][ T8768] ? do_raw_spin_unlock+0x122/0x240
[ 454.786642][ T8768] kobject_add_internal+0x6ab/0xcc0
[ 454.786673][ T8768] kobject_init_and_add+0x125/0x190
[ 454.786703][ T8768] ? __pfx_kobject_init_and_add+0x10/0x10
[ 454.786734][ T8768] ? __raw_spin_lock_init+0x45/0x100
[ 454.786754][ T8768] ? __init_swait_queue_head+0xa9/0x150
[ 454.786787][ T8768] gfs2_sys_fs_add+0x234/0x450
[ 454.786811][ T8768] ? is_dynamic_key+0x1ac/0x1c0
[ 454.786836][ T8768] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 454.786867][ T8768] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 454.786910][ T8768] gfs2_fill_super+0x1388/0x21b0
[ 454.786953][ T8768] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.786985][ T8768] ? sb_set_blocksize+0x155/0x240
[ 454.787011][ T8768] ? setup_bdev_super+0x4c1/0x5b0
[ 454.787042][ T8768] get_tree_bdev_flags+0x40e/0x4d0
[ 454.787068][ T8768] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.787097][ T8768] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 454.787122][ T8768] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 454.787156][ T8768] gfs2_get_tree+0x51/0x1e0
[ 454.787188][ T8768] vfs_get_tree+0x92/0x2a0
[ 454.787217][ T8768] do_new_mount+0x31a/0xcf0
[ 454.787235][ T8768] ? apparmor_capable+0x137/0x1a0
[ 454.787269][ T8768] ? __pfx_do_new_mount+0x10/0x10
[ 454.787290][ T8768] ? ns_capable+0x8a/0xf0
[ 454.787318][ T8768] ? user_path_at+0xd4/0x160
[ 454.787347][ T8768] ? user_path_at+0xd4/0x160
[ 454.787374][ T8768] __se_sys_mount+0x313/0x410
[ 454.787400][ T8768] ? __pfx___se_sys_mount+0x10/0x10
[ 454.787426][ T8768] ? __x64_sys_mount+0x20/0xc0
[ 454.787448][ T8768] do_syscall_64+0xec/0xf80
[ 454.787469][ T8768] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.787496][ T8768] ? trace_irq_disable+0x37/0x100
[ 454.787512][ T8768] ? clear_bhb_loop+0x40/0x90
[ 454.787536][ T8768] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.787554][ T8768] RIP: 0033:0x7fb96959076a
[ 454.787573][ T8768] 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
[ 454.787589][ T8768] RSP: 002b:00007fb96a4bce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 454.787608][ T8768] RAX: ffffffffffffffda RBX: 00007fb96a4bcef0 RCX: 00007fb96959076a
[ 454.787623][ T8768] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fb96a4bceb0
[ 454.787637][ T8768] RBP: 0000200000000400 R08: 00007fb96a4bcef0 R09: 0000000000200001
[ 454.787648][ T8768] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 454.787660][ T8768] R13: 00007fb96a4bceb0 R14: 00000000000125d5 R15: 0000200000000240
[ 454.787690][ T8768]
[ 454.789866][ T8773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 454.857025][ T8775] loop3: detected capacity change from 0 to 32768
[ 454.868952][ T8768] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 454.936900][ T8773] CPU: 1 UID: 0 PID: 8773 Comm: syz.2.557 Not tainted syzkaller #0 PREEMPT(full)
[ 454.936926][ T8773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 454.936939][ T8773] Call Trace:
[ 454.936947][ T8773]
[ 454.936955][ T8773] dump_stack_lvl+0xe8/0x150
[ 454.936986][ T8773] sysfs_create_dir_ns+0x259/0x280
[ 454.937019][ T8773] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 454.937049][ T8773] ? do_raw_spin_unlock+0x122/0x240
[ 454.937074][ T8773] kobject_add_internal+0x6ab/0xcc0
[ 454.937106][ T8773] kobject_init_and_add+0x125/0x190
[ 454.937135][ T8773] ? __pfx_kobject_init_and_add+0x10/0x10
[ 454.937160][ T8773] ? __raw_spin_lock_init+0x45/0x100
[ 454.937181][ T8773] ? __init_swait_queue_head+0xa9/0x150
[ 454.937216][ T8773] gfs2_sys_fs_add+0x234/0x450
[ 454.937238][ T8773] ? is_dynamic_key+0x1ac/0x1c0
[ 454.937262][ T8773] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 454.937293][ T8773] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 454.937336][ T8773] gfs2_fill_super+0x1388/0x21b0
[ 454.937380][ T8773] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.937412][ T8773] ? sb_set_blocksize+0x155/0x240
[ 454.937439][ T8773] ? setup_bdev_super+0x4c1/0x5b0
[ 454.937469][ T8773] get_tree_bdev_flags+0x40e/0x4d0
[ 454.937496][ T8773] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.937524][ T8773] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 454.937549][ T8773] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 454.937584][ T8773] gfs2_get_tree+0x51/0x1e0
[ 454.937615][ T8773] vfs_get_tree+0x92/0x2a0
[ 454.937643][ T8773] do_new_mount+0x31a/0xcf0
[ 454.937662][ T8773] ? apparmor_capable+0x137/0x1a0
[ 454.937702][ T8773] ? __pfx_do_new_mount+0x10/0x10
[ 454.937721][ T8773] ? ns_capable+0x8a/0xf0
[ 454.937747][ T8773] ? user_path_at+0xd4/0x160
[ 454.937774][ T8773] ? user_path_at+0xd4/0x160
[ 454.937800][ T8773] __se_sys_mount+0x313/0x410
[ 454.937825][ T8773] ? __pfx___se_sys_mount+0x10/0x10
[ 454.937851][ T8773] ? __x64_sys_mount+0x20/0xc0
[ 454.937873][ T8773] do_syscall_64+0xec/0xf80
[ 454.937894][ T8773] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.937912][ T8773] ? trace_irq_disable+0x37/0x100
[ 454.937930][ T8773] ? clear_bhb_loop+0x40/0x90
[ 454.937953][ T8773] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.937973][ T8773] RIP: 0033:0x7f2d4a79076a
[ 454.937991][ T8773] 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
[ 454.938008][ T8773] RSP: 002b:00007f2d4b6a4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 454.938029][ T8773] RAX: ffffffffffffffda RBX: 00007f2d4b6a4ef0 RCX: 00007f2d4a79076a
[ 454.938044][ T8773] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f2d4b6a4eb0
[ 454.938057][ T8773] RBP: 0000200000000400 R08: 00007f2d4b6a4ef0 R09: 0000000000200001
[ 454.938071][ T8773] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 454.938083][ T8773] R13: 00007f2d4b6a4eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 454.938114][ T8773]
[ 454.938139][ T8773] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 454.940298][ T8768] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 454.947709][ T8773] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 455.433349][ T8777] loop0: detected capacity change from 0 to 32768
[ 455.473990][ T8775] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 455.488758][ T8775] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 455.544741][ T8777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 455.558711][ T8775] 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
[ 455.616850][ T8775] 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
[ 455.623354][ T8777] CPU: 0 UID: 0 PID: 8777 Comm: syz.0.559 Not tainted syzkaller #0 PREEMPT(full)
[ 455.623391][ T8777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 455.623405][ T8777] Call Trace:
[ 455.623413][ T8777]
[ 455.623422][ T8777] dump_stack_lvl+0xe8/0x150
[ 455.623453][ T8777] sysfs_create_dir_ns+0x259/0x280
[ 455.623485][ T8777] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 455.623515][ T8777] ? do_raw_spin_unlock+0x122/0x240
[ 455.623540][ T8777] kobject_add_internal+0x6ab/0xcc0
[ 455.623573][ T8777] kobject_init_and_add+0x125/0x190
[ 455.623601][ T8777] ? __pfx_kobject_init_and_add+0x10/0x10
[ 455.623626][ T8777] ? __raw_spin_lock_init+0x45/0x100
[ 455.623647][ T8777] ? __init_swait_queue_head+0xa9/0x150
[ 455.623680][ T8777] gfs2_sys_fs_add+0x234/0x450
[ 455.623703][ T8777] ? is_dynamic_key+0x1ac/0x1c0
[ 455.623727][ T8777] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 455.623758][ T8777] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 455.623801][ T8777] gfs2_fill_super+0x1388/0x21b0
[ 455.623845][ T8777] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.623877][ T8777] ? sb_set_blocksize+0x155/0x240
[ 455.623904][ T8777] ? setup_bdev_super+0x4c1/0x5b0
[ 455.623934][ T8777] get_tree_bdev_flags+0x40e/0x4d0
[ 455.623960][ T8777] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.623989][ T8777] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 455.624014][ T8777] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 455.624048][ T8777] gfs2_get_tree+0x51/0x1e0
[ 455.624080][ T8777] vfs_get_tree+0x92/0x2a0
[ 455.624109][ T8777] do_new_mount+0x31a/0xcf0
[ 455.624127][ T8777] ? apparmor_capable+0x137/0x1a0
[ 455.624161][ T8777] ? __pfx_do_new_mount+0x10/0x10
[ 455.624180][ T8777] ? ns_capable+0x8a/0xf0
[ 455.624207][ T8777] ? user_path_at+0xd4/0x160
[ 455.624235][ T8777] ? user_path_at+0xd4/0x160
[ 455.624260][ T8777] __se_sys_mount+0x313/0x410
[ 455.624286][ T8777] ? __pfx___se_sys_mount+0x10/0x10
[ 455.624312][ T8777] ? __x64_sys_mount+0x20/0xc0
[ 455.624334][ T8777] do_syscall_64+0xec/0xf80
[ 455.624353][ T8777] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.624371][ T8777] ? trace_irq_disable+0x37/0x100
[ 455.624399][ T8777] ? clear_bhb_loop+0x40/0x90
[ 455.624422][ T8777] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.624442][ T8777] RIP: 0033:0x7f343cf9076a
[ 455.624459][ T8777] 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
[ 455.624477][ T8777] RSP: 002b:00007f343dd69e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 455.624497][ T8777] RAX: ffffffffffffffda RBX: 00007f343dd69ef0 RCX: 00007f343cf9076a
[ 455.624512][ T8777] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f343dd69eb0
[ 455.624526][ T8777] RBP: 0000200000000400 R08: 00007f343dd69ef0 R09: 0000000000200001
[ 455.624540][ T8777] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 455.624552][ T8777] R13: 00007f343dd69eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 455.624582][ T8777]
[ 455.624606][ T8777] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 455.692089][ T8775] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8775 [syz.3.558] init_journal+0x19a3/0x2170
[ 455.734119][ T8777] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 455.840084][ T8775] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 455.963395][ T8775] CPU: 1 UID: 0 PID: 8775 Comm: syz.3.558 Not tainted syzkaller #0 PREEMPT(full)
[ 455.963422][ T8775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 455.963434][ T8775] Call Trace:
[ 455.963442][ T8775]
[ 455.963450][ T8775] dump_stack_lvl+0xe8/0x150
[ 455.963479][ T8775] gfs2_withdraw+0xc3/0x1b0
[ 455.963508][ T8775] gfs2_jdesc_check+0x17d/0x2f0
[ 455.963532][ T8775] check_journal_clean+0x158/0x310
[ 455.963562][ T8775] ? __pfx_check_journal_clean+0x10/0x10
[ 455.963590][ T8775] ? init_journal+0x19a3/0x2170
[ 455.963634][ T8775] ? do_raw_spin_unlock+0x122/0x240
[ 455.963656][ T8775] ? _raw_spin_unlock+0x28/0x50
[ 455.963684][ T8775] ? gfs2_jdesc_find+0xab/0xc0
[ 455.963704][ T8775] init_journal+0x19a3/0x2170
[ 455.963741][ T8775] ? init_inodes+0xdb/0x320
[ 455.963769][ T8775] ? vsnprintf+0x38b/0xee0
[ 455.963798][ T8775] ? __pfx_init_journal+0x10/0x10
[ 455.963826][ T8775] ? vsnprintf+0xdf1/0xee0
[ 455.963858][ T8775] ? snprintf+0xda/0x120
[ 455.963884][ T8775] ? init_inodes+0xdb/0x320
[ 455.963911][ T8775] ? __pfx_snprintf+0x10/0x10
[ 455.963939][ T8775] ? gfs2_glock_nq_num+0x13d/0x170
[ 455.963963][ T8775] init_inodes+0xdb/0x320
[ 455.963995][ T8775] gfs2_fill_super+0x1a08/0x21b0
[ 455.964040][ T8775] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.964073][ T8775] ? init_locking+0xb8/0x210
[ 455.964100][ T8775] ? sb_set_blocksize+0x155/0x240
[ 455.964127][ T8775] ? setup_bdev_super+0x4c1/0x5b0
[ 455.964158][ T8775] get_tree_bdev_flags+0x40e/0x4d0
[ 455.964185][ T8775] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.964215][ T8775] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 455.964241][ T8775] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 455.964276][ T8775] gfs2_get_tree+0x51/0x1e0
[ 455.964307][ T8775] vfs_get_tree+0x92/0x2a0
[ 455.964335][ T8775] do_new_mount+0x31a/0xcf0
[ 455.964351][ T8775] ? apparmor_capable+0x137/0x1a0
[ 455.964386][ T8775] ? __pfx_do_new_mount+0x10/0x10
[ 455.964407][ T8775] ? ns_capable+0x8a/0xf0
[ 455.964432][ T8775] ? user_path_at+0xd4/0x160
[ 455.964458][ T8775] ? user_path_at+0xd4/0x160
[ 455.964482][ T8775] __se_sys_mount+0x313/0x410
[ 455.964509][ T8775] ? __pfx___se_sys_mount+0x10/0x10
[ 455.964535][ T8775] ? __x64_sys_mount+0x20/0xc0
[ 455.964558][ T8775] do_syscall_64+0xec/0xf80
[ 455.964579][ T8775] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.964605][ T8775] ? trace_irq_disable+0x37/0x100
[ 455.964624][ T8775] ? clear_bhb_loop+0x40/0x90
[ 455.964647][ T8775] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.964667][ T8775] RIP: 0033:0x7f626e19076a
[ 455.964686][ T8775] 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
[ 455.964703][ T8775] RSP: 002b:00007f626f0f1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 455.964725][ T8775] RAX: ffffffffffffffda RBX: 00007f626f0f1ef0 RCX: 00007f626e19076a
[ 455.964740][ T8775] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f626f0f1eb0
[ 455.964753][ T8775] RBP: 0000200000000400 R08: 00007f626f0f1ef0 R09: 0000000000200001
[ 455.964767][ T8775] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 455.964779][ T8775] R13: 00007f626f0f1eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 455.964810][ T8775]
[ 455.964819][ T8775] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 457.234897][ T8789] loop1: detected capacity change from 0 to 32768
[ 457.275907][ T8791] loop4: detected capacity change from 0 to 32768
[ 457.277957][ T8789] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 457.366203][ T8791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 457.375400][ T8789] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 457.426281][ T8791] CPU: 0 UID: 0 PID: 8791 Comm: syz.4.561 Not tainted syzkaller #0 PREEMPT(full)
[ 457.426311][ T8791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 457.426324][ T8791] Call Trace:
[ 457.426333][ T8791]
[ 457.426342][ T8791] dump_stack_lvl+0xe8/0x150
[ 457.426375][ T8791] sysfs_create_dir_ns+0x259/0x280
[ 457.426409][ T8791] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 457.426441][ T8791] ? do_raw_spin_unlock+0x122/0x240
[ 457.426467][ T8791] kobject_add_internal+0x6ab/0xcc0
[ 457.426501][ T8791] kobject_init_and_add+0x125/0x190
[ 457.426532][ T8791] ? __pfx_kobject_init_and_add+0x10/0x10
[ 457.426558][ T8791] ? __raw_spin_lock_init+0x45/0x100
[ 457.426588][ T8791] ? __init_swait_queue_head+0xa9/0x150
[ 457.426625][ T8791] gfs2_sys_fs_add+0x234/0x450
[ 457.426648][ T8791] ? is_dynamic_key+0x1ac/0x1c0
[ 457.426675][ T8791] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 457.426703][ T8791] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 457.426746][ T8791] gfs2_fill_super+0x1388/0x21b0
[ 457.426785][ T8791] ? __pfx_gfs2_fill_super+0x10/0x10
[ 457.426816][ T8791] ? sb_set_blocksize+0x155/0x240
[ 457.426841][ T8791] ? setup_bdev_super+0x4c1/0x5b0
[ 457.426872][ T8791] get_tree_bdev_flags+0x40e/0x4d0
[ 457.426900][ T8791] ? __pfx_gfs2_fill_super+0x10/0x10
[ 457.426931][ T8791] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 457.426957][ T8791] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 457.426994][ T8791] gfs2_get_tree+0x51/0x1e0
[ 457.427027][ T8791] vfs_get_tree+0x92/0x2a0
[ 457.427057][ T8791] do_new_mount+0x31a/0xcf0
[ 457.427076][ T8791] ? apparmor_capable+0x137/0x1a0
[ 457.427113][ T8791] ? __pfx_do_new_mount+0x10/0x10
[ 457.427134][ T8791] ? ns_capable+0x8a/0xf0
[ 457.427163][ T8791] ? user_path_at+0xd4/0x160
[ 457.427192][ T8791] ? user_path_at+0xd4/0x160
[ 457.427219][ T8791] __se_sys_mount+0x313/0x410
[ 457.427247][ T8791] ? __pfx___se_sys_mount+0x10/0x10
[ 457.427273][ T8791] ? __x64_sys_mount+0x20/0xc0
[ 457.427295][ T8791] do_syscall_64+0xec/0xf80
[ 457.427316][ T8791] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.427335][ T8791] ? trace_irq_disable+0x37/0x100
[ 457.427352][ T8791] ? clear_bhb_loop+0x40/0x90
[ 457.427374][ T8791] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.427391][ T8791] RIP: 0033:0x7fb96959076a
[ 457.427408][ T8791] 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
[ 457.427423][ T8791] RSP: 002b:00007fb96a4dde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 457.427441][ T8791] RAX: ffffffffffffffda RBX: 00007fb96a4ddef0 RCX: 00007fb96959076a
[ 457.427454][ T8791] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fb96a4ddeb0
[ 457.427466][ T8791] RBP: 0000200000000400 R08: 00007fb96a4ddef0 R09: 0000000000200001
[ 457.427479][ T8791] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 457.427490][ T8791] R13: 00007fb96a4ddeb0 R14: 00000000000125d5 R15: 0000200000000240
[ 457.427516][ T8791]
[ 457.465774][ T8797] loop3: detected capacity change from 0 to 32768
[ 457.680148][ T8791] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 457.766992][ T8791] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 457.770360][ T8789] 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
[ 457.789391][ T8789] 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
[ 457.807589][ T8789] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8789 [syz.1.560] init_journal+0x19a3/0x2170
[ 457.823790][ T8789] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 457.838119][ T8793] loop2: detected capacity change from 0 to 32768
[ 457.848666][ T8789] CPU: 1 UID: 0 PID: 8789 Comm: syz.1.560 Not tainted syzkaller #0 PREEMPT(full)
[ 457.848692][ T8789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 457.848704][ T8789] Call Trace:
[ 457.848712][ T8789]
[ 457.848720][ T8789] dump_stack_lvl+0xe8/0x150
[ 457.848750][ T8789] gfs2_withdraw+0xc3/0x1b0
[ 457.848782][ T8789] gfs2_jdesc_check+0x17d/0x2f0
[ 457.848807][ T8789] check_journal_clean+0x158/0x310
[ 457.848836][ T8789] ? __pfx_check_journal_clean+0x10/0x10
[ 457.848866][ T8789] ? init_journal+0x19a3/0x2170
[ 457.848904][ T8789] ? do_raw_spin_unlock+0x122/0x240
[ 457.848928][ T8789] ? _raw_spin_unlock+0x28/0x50
[ 457.848957][ T8789] ? gfs2_jdesc_find+0xab/0xc0
[ 457.848979][ T8789] init_journal+0x19a3/0x2170
2026/01/13 10:00:18 executed programs: 558
[ 457.849020][ T8789] ? init_inodes+0xdb/0x320
[ 457.849049][ T8789] ? vsnprintf+0x38b/0xee0
[ 457.849076][ T8789] ? __pfx_init_journal+0x10/0x10
[ 457.849105][ T8789] ? vsnprintf+0xdf1/0xee0
[ 457.849140][ T8789] ? snprintf+0xda/0x120
[ 457.849168][ T8789] ? init_inodes+0xdb/0x320
[ 457.849195][ T8789] ? __pfx_snprintf+0x10/0x10
[ 457.849223][ T8789] ? gfs2_glock_nq_num+0x13d/0x170
[ 457.849247][ T8789] init_inodes+0xdb/0x320
[ 457.849279][ T8789] gfs2_fill_super+0x1a08/0x21b0
[ 457.849324][ T8789] ? __pfx_gfs2_fill_super+0x10/0x10
[ 457.849356][ T8789] ? init_locking+0xb8/0x210
[ 457.849384][ T8789] ? sb_set_blocksize+0x155/0x240
[ 457.849412][ T8789] ? setup_bdev_super+0x4c1/0x5b0
[ 457.849451][ T8789] get_tree_bdev_flags+0x40e/0x4d0
[ 457.849478][ T8789] ? __pfx_gfs2_fill_super+0x10/0x10
[ 457.849507][ T8789] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 457.849533][ T8789] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 457.849568][ T8789] gfs2_get_tree+0x51/0x1e0
[ 457.849601][ T8789] vfs_get_tree+0x92/0x2a0
[ 457.849631][ T8789] do_new_mount+0x31a/0xcf0
[ 457.849650][ T8789] ? apparmor_capable+0x137/0x1a0
[ 457.849687][ T8789] ? __pfx_do_new_mount+0x10/0x10
[ 457.849708][ T8789] ? ns_capable+0x8a/0xf0
[ 457.849735][ T8789] ? user_path_at+0xd4/0x160
[ 457.849764][ T8789] ? user_path_at+0xd4/0x160
[ 457.849790][ T8789] __se_sys_mount+0x313/0x410
[ 457.849817][ T8789] ? __pfx___se_sys_mount+0x10/0x10
[ 457.849845][ T8789] ? __x64_sys_mount+0x20/0xc0
[ 457.849869][ T8789] do_syscall_64+0xec/0xf80
[ 457.849890][ T8789] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.849910][ T8789] ? trace_irq_disable+0x37/0x100
[ 457.849928][ T8789] ? clear_bhb_loop+0x40/0x90
[ 457.849952][ T8789] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.849972][ T8789] RIP: 0033:0x7f6a2799076a
[ 457.849991][ T8789] 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
[ 457.850009][ T8789] RSP: 002b:00007f6a28769e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 457.850030][ T8789] RAX: ffffffffffffffda RBX: 00007f6a28769ef0 RCX: 00007f6a2799076a
[ 457.850046][ T8789] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6a28769eb0
[ 457.850060][ T8789] RBP: 0000200000000400 R08: 00007f6a28769ef0 R09: 0000000000200001
[ 457.850074][ T8789] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 457.850088][ T8789] R13: 00007f6a28769eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 457.850120][ T8789]
[ 457.850701][ T8789] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 457.899243][ T8797] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 457.991479][ T8793] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 458.036816][ T8797] CPU: 0 UID: 0 PID: 8797 Comm: syz.3.564 Not tainted syzkaller #0 PREEMPT(full)
[ 458.036844][ T8797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 458.036857][ T8797] Call Trace:
[ 458.036865][ T8797]
[ 458.036874][ T8797] dump_stack_lvl+0xe8/0x150
[ 458.036904][ T8797] sysfs_create_dir_ns+0x259/0x280
[ 458.036936][ T8797] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 458.036966][ T8797] ? do_raw_spin_unlock+0x122/0x240
[ 458.036990][ T8797] kobject_add_internal+0x6ab/0xcc0
[ 458.037023][ T8797] kobject_init_and_add+0x125/0x190
[ 458.037052][ T8797] ? __pfx_kobject_init_and_add+0x10/0x10
[ 458.037077][ T8797] ? __raw_spin_lock_init+0x45/0x100
[ 458.037098][ T8797] ? __init_swait_queue_head+0xa9/0x150
[ 458.037132][ T8797] gfs2_sys_fs_add+0x234/0x450
[ 458.037154][ T8797] ? is_dynamic_key+0x1ac/0x1c0
[ 458.037178][ T8797] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 458.037209][ T8797] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 458.037252][ T8797] gfs2_fill_super+0x1388/0x21b0
[ 458.037295][ T8797] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.037328][ T8797] ? sb_set_blocksize+0x155/0x240
[ 458.037354][ T8797] ? setup_bdev_super+0x4c1/0x5b0
[ 458.037383][ T8797] get_tree_bdev_flags+0x40e/0x4d0
[ 458.037409][ T8797] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.037439][ T8797] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 458.037469][ T8797] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 458.037504][ T8797] gfs2_get_tree+0x51/0x1e0
[ 458.037535][ T8797] vfs_get_tree+0x92/0x2a0
[ 458.037563][ T8797] do_new_mount+0x31a/0xcf0
[ 458.037581][ T8797] ? apparmor_capable+0x137/0x1a0
[ 458.037615][ T8797] ? __pfx_do_new_mount+0x10/0x10
[ 458.037635][ T8797] ? ns_capable+0x8a/0xf0
[ 458.037662][ T8797] ? user_path_at+0xd4/0x160
[ 458.037690][ T8797] ? user_path_at+0xd4/0x160
[ 458.037715][ T8797] __se_sys_mount+0x313/0x410
[ 458.037742][ T8797] ? __pfx___se_sys_mount+0x10/0x10
[ 458.037768][ T8797] ? __x64_sys_mount+0x20/0xc0
[ 458.037790][ T8797] do_syscall_64+0xec/0xf80
[ 458.037811][ T8797] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.037830][ T8797] ? trace_irq_disable+0x37/0x100
[ 458.037847][ T8797] ? clear_bhb_loop+0x40/0x90
[ 458.037871][ T8797] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.037890][ T8797] RIP: 0033:0x7f626e19076a
[ 458.037909][ T8797] 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
[ 458.037926][ T8797] RSP: 002b:00007f626f0f1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 458.037946][ T8797] RAX: ffffffffffffffda RBX: 00007f626f0f1ef0 RCX: 00007f626e19076a
[ 458.037960][ T8797] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f626f0f1eb0
[ 458.037974][ T8797] RBP: 0000200000000400 R08: 00007f626f0f1ef0 R09: 0000000000200001
[ 458.037987][ T8797] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 458.038000][ T8797] R13: 00007f626f0f1eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 458.038030][ T8797]
[ 458.038056][ T8797] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 458.057530][ T8795] loop0: detected capacity change from 0 to 32768
[ 458.067534][ T8793] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 458.200659][ T8797] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 458.457247][ T8795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 458.548800][ T8795] CPU: 1 UID: 0 PID: 8795 Comm: syz.0.563 Not tainted syzkaller #0 PREEMPT(full)
[ 458.548826][ T8795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 458.548839][ T8795] Call Trace:
[ 458.548848][ T8795]
[ 458.548856][ T8795] dump_stack_lvl+0xe8/0x150
[ 458.548887][ T8795] sysfs_create_dir_ns+0x259/0x280
[ 458.548917][ T8795] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 458.548943][ T8795] ? do_raw_spin_unlock+0x122/0x240
[ 458.548965][ T8795] kobject_add_internal+0x6ab/0xcc0
[ 458.548993][ T8795] kobject_init_and_add+0x125/0x190
[ 458.549018][ T8795] ? __pfx_kobject_init_and_add+0x10/0x10
[ 458.549040][ T8795] ? __raw_spin_lock_init+0x45/0x100
[ 458.549059][ T8795] ? __init_swait_queue_head+0xa9/0x150
[ 458.549088][ T8795] gfs2_sys_fs_add+0x234/0x450
[ 458.549108][ T8795] ? is_dynamic_key+0x1ac/0x1c0
[ 458.549130][ T8795] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 458.549157][ T8795] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 458.549194][ T8795] gfs2_fill_super+0x1388/0x21b0
[ 458.549233][ T8795] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.549261][ T8795] ? sb_set_blocksize+0x155/0x240
[ 458.549285][ T8795] ? setup_bdev_super+0x4c1/0x5b0
[ 458.549311][ T8795] get_tree_bdev_flags+0x40e/0x4d0
[ 458.549334][ T8795] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.549360][ T8795] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 458.549381][ T8795] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 458.549418][ T8795] gfs2_get_tree+0x51/0x1e0
[ 458.549445][ T8795] vfs_get_tree+0x92/0x2a0
[ 458.549470][ T8795] do_new_mount+0x31a/0xcf0
[ 458.549486][ T8795] ? apparmor_capable+0x137/0x1a0
[ 458.549524][ T8795] ? __pfx_do_new_mount+0x10/0x10
[ 458.549542][ T8795] ? ns_capable+0x8a/0xf0
[ 458.549565][ T8795] ? user_path_at+0xd4/0x160
[ 458.549590][ T8795] ? user_path_at+0xd4/0x160
[ 458.549611][ T8795] __se_sys_mount+0x313/0x410
[ 458.549635][ T8795] ? __pfx___se_sys_mount+0x10/0x10
[ 458.549658][ T8795] ? __x64_sys_mount+0x20/0xc0
[ 458.549677][ T8795] do_syscall_64+0xec/0xf80
[ 458.549695][ T8795] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.549712][ T8795] ? trace_irq_disable+0x37/0x100
[ 458.549728][ T8795] ? clear_bhb_loop+0x40/0x90
[ 458.549748][ T8795] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.549768][ T8795] RIP: 0033:0x7f343cf9076a
[ 458.549785][ T8795] 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
[ 458.549801][ T8795] RSP: 002b:00007f343dd69e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 458.549819][ T8795] RAX: ffffffffffffffda RBX: 00007f343dd69ef0 RCX: 00007f343cf9076a
[ 458.549832][ T8795] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f343dd69eb0
[ 458.549844][ T8795] RBP: 0000200000000400 R08: 00007f343dd69ef0 R09: 0000000000200001
[ 458.549856][ T8795] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 458.549868][ T8795] R13: 00007f343dd69eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 458.549894][ T8795]
[ 458.551601][ T8795] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 458.881991][ T8795] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 458.891145][ T8793] 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
[ 458.908951][ T8793] 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
[ 458.918081][ T8793] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8793 [syz.2.562] init_journal+0x19a3/0x2170
[ 458.928081][ T8793] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 458.935998][ T8793] CPU: 1 UID: 0 PID: 8793 Comm: syz.2.562 Not tainted syzkaller #0 PREEMPT(full)
[ 458.936023][ T8793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 458.936034][ T8793] Call Trace:
[ 458.936041][ T8793]
[ 458.936049][ T8793] dump_stack_lvl+0xe8/0x150
[ 458.936079][ T8793] gfs2_withdraw+0xc3/0x1b0
[ 458.936108][ T8793] gfs2_jdesc_check+0x17d/0x2f0
[ 458.936131][ T8793] check_journal_clean+0x158/0x310
[ 458.936159][ T8793] ? __pfx_check_journal_clean+0x10/0x10
[ 458.936187][ T8793] ? init_journal+0x19a3/0x2170
[ 458.936224][ T8793] ? do_raw_spin_unlock+0x122/0x240
[ 458.936247][ T8793] ? _raw_spin_unlock+0x28/0x50
[ 458.936271][ T8793] ? gfs2_jdesc_find+0xab/0xc0
[ 458.936292][ T8793] init_journal+0x19a3/0x2170
[ 458.936330][ T8793] ? init_inodes+0xdb/0x320
[ 458.936360][ T8793] ? vsnprintf+0x38b/0xee0
[ 458.936389][ T8793] ? __pfx_init_journal+0x10/0x10
[ 458.936437][ T8793] ? vsnprintf+0xdf1/0xee0
[ 458.936470][ T8793] ? snprintf+0xda/0x120
[ 458.936498][ T8793] ? init_inodes+0xdb/0x320
[ 458.936526][ T8793] ? __pfx_snprintf+0x10/0x10
[ 458.936553][ T8793] ? gfs2_glock_nq_num+0x13d/0x170
[ 458.936576][ T8793] init_inodes+0xdb/0x320
[ 458.936608][ T8793] gfs2_fill_super+0x1a08/0x21b0
[ 458.936651][ T8793] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.936685][ T8793] ? init_locking+0xb8/0x210
[ 458.936713][ T8793] ? sb_set_blocksize+0x155/0x240
[ 458.936745][ T8793] ? setup_bdev_super+0x4c1/0x5b0
[ 458.936773][ T8793] get_tree_bdev_flags+0x40e/0x4d0
[ 458.936798][ T8793] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.936826][ T8793] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 458.936850][ T8793] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 458.936882][ T8793] gfs2_get_tree+0x51/0x1e0
[ 458.936912][ T8793] vfs_get_tree+0x92/0x2a0
[ 458.936941][ T8793] do_new_mount+0x31a/0xcf0
[ 458.936959][ T8793] ? apparmor_capable+0x137/0x1a0
[ 458.936995][ T8793] ? __pfx_do_new_mount+0x10/0x10
[ 458.937015][ T8793] ? ns_capable+0x8a/0xf0
[ 458.937043][ T8793] ? user_path_at+0xd4/0x160
[ 458.937072][ T8793] ? user_path_at+0xd4/0x160
[ 458.937097][ T8793] __se_sys_mount+0x313/0x410
[ 458.937125][ T8793] ? __pfx___se_sys_mount+0x10/0x10
[ 458.937152][ T8793] ? __x64_sys_mount+0x20/0xc0
[ 458.937175][ T8793] do_syscall_64+0xec/0xf80
[ 458.937196][ T8793] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.937215][ T8793] ? trace_irq_disable+0x37/0x100
[ 458.937234][ T8793] ? clear_bhb_loop+0x40/0x90
[ 458.937259][ T8793] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.937278][ T8793] RIP: 0033:0x7f2d4a79076a
[ 458.937297][ T8793] 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
[ 458.937314][ T8793] RSP: 002b:00007f2d4b6a4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 458.937336][ T8793] RAX: ffffffffffffffda RBX: 00007f2d4b6a4ef0 RCX: 00007f2d4a79076a
[ 458.937351][ T8793] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f2d4b6a4eb0
[ 458.937365][ T8793] RBP: 0000200000000400 R08: 00007f2d4b6a4ef0 R09: 0000000000200001
[ 458.937379][ T8793] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 458.937392][ T8793] R13: 00007f2d4b6a4eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 458.937430][ T8793]
[ 459.262769][ T8793] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 459.742447][ T8807] loop4: detected capacity change from 0 to 32768
[ 459.780665][ T8807] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 459.810335][ T8807] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 459.862695][ T8807] 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
[ 459.899942][ T8807] 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
[ 459.916839][ T8807] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8807 [syz.4.565] init_journal+0x19a3/0x2170
[ 459.932558][ T8807] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 459.940993][ T8807] CPU: 0 UID: 0 PID: 8807 Comm: syz.4.565 Not tainted syzkaller #0 PREEMPT(full)
[ 459.941019][ T8807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 459.941032][ T8807] Call Trace:
[ 459.941041][ T8807]
[ 459.941050][ T8807] dump_stack_lvl+0xe8/0x150
[ 459.941091][ T8807] gfs2_withdraw+0xc3/0x1b0
[ 459.941123][ T8807] gfs2_jdesc_check+0x17d/0x2f0
[ 459.941149][ T8807] check_journal_clean+0x158/0x310
[ 459.941181][ T8807] ? __pfx_check_journal_clean+0x10/0x10
[ 459.941214][ T8807] ? init_journal+0x19a3/0x2170
[ 459.941251][ T8807] ? do_raw_spin_unlock+0x122/0x240
[ 459.941275][ T8807] ? _raw_spin_unlock+0x28/0x50
[ 459.941305][ T8807] ? gfs2_jdesc_find+0xab/0xc0
[ 459.941327][ T8807] init_journal+0x19a3/0x2170
[ 459.941367][ T8807] ? init_inodes+0xdb/0x320
[ 459.941396][ T8807] ? vsnprintf+0x38b/0xee0
[ 459.941425][ T8807] ? __pfx_init_journal+0x10/0x10
[ 459.941455][ T8807] ? vsnprintf+0xdf1/0xee0
[ 459.941491][ T8807] ? snprintf+0xda/0x120
[ 459.941517][ T8807] ? init_inodes+0xdb/0x320
[ 459.941543][ T8807] ? __pfx_snprintf+0x10/0x10
[ 459.941568][ T8807] ? gfs2_glock_nq_num+0x13d/0x170
[ 459.941592][ T8807] init_inodes+0xdb/0x320
[ 459.941623][ T8807] gfs2_fill_super+0x1a08/0x21b0
[ 459.941668][ T8807] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.941701][ T8807] ? init_locking+0xb8/0x210
[ 459.941729][ T8807] ? sb_set_blocksize+0x155/0x240
[ 459.941757][ T8807] ? setup_bdev_super+0x4c1/0x5b0
[ 459.941788][ T8807] get_tree_bdev_flags+0x40e/0x4d0
[ 459.941817][ T8807] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.941846][ T8807] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 459.941872][ T8807] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 459.941908][ T8807] gfs2_get_tree+0x51/0x1e0
[ 459.941941][ T8807] vfs_get_tree+0x92/0x2a0
[ 459.941970][ T8807] do_new_mount+0x31a/0xcf0
[ 459.941990][ T8807] ? apparmor_capable+0x137/0x1a0
[ 459.942024][ T8807] ? __pfx_do_new_mount+0x10/0x10
[ 459.942044][ T8807] ? ns_capable+0x8a/0xf0
[ 459.942078][ T8807] ? user_path_at+0xd4/0x160
[ 459.942106][ T8807] ? user_path_at+0xd4/0x160
[ 459.942133][ T8807] __se_sys_mount+0x313/0x410
[ 459.942160][ T8807] ? __pfx___se_sys_mount+0x10/0x10
[ 459.942187][ T8807] ? __x64_sys_mount+0x20/0xc0
[ 459.942211][ T8807] do_syscall_64+0xec/0xf80
[ 459.942232][ T8807] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.942251][ T8807] ? trace_irq_disable+0x37/0x100
[ 459.942270][ T8807] ? clear_bhb_loop+0x40/0x90
[ 459.942295][ T8807] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.942314][ T8807] RIP: 0033:0x7fb96959076a
[ 459.942333][ T8807] 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
[ 459.942351][ T8807] RSP: 002b:00007fb96a4dde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 459.942372][ T8807] RAX: ffffffffffffffda RBX: 00007fb96a4ddef0 RCX: 00007fb96959076a
[ 459.942388][ T8807] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fb96a4ddeb0
[ 459.942401][ T8807] RBP: 0000200000000400 R08: 00007fb96a4ddef0 R09: 0000000000200001
[ 459.942415][ T8807] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 459.942429][ T8807] R13: 00007fb96a4ddeb0 R14: 00000000000125d5 R15: 0000200000000240
[ 459.942460][ T8807]
[ 459.942469][ T8807] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 460.706899][ T8817] loop3: detected capacity change from 0 to 32768
[ 460.745689][ T8817] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 460.764379][ T8817] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 460.785395][ T8817] 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
[ 460.826870][ T8817] 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
[ 460.836219][ T8817] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8817 [syz.3.569] init_journal+0x19a3/0x2170
[ 460.853752][ T8811] loop1: detected capacity change from 0 to 32768
[ 460.860769][ T8817] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 460.870620][ T8817] CPU: 1 UID: 0 PID: 8817 Comm: syz.3.569 Not tainted syzkaller #0 PREEMPT(full)
[ 460.870644][ T8817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 460.870655][ T8817] Call Trace:
[ 460.870663][ T8817]
[ 460.870671][ T8817] dump_stack_lvl+0xe8/0x150
[ 460.870700][ T8817] gfs2_withdraw+0xc3/0x1b0
[ 460.870736][ T8817] gfs2_jdesc_check+0x17d/0x2f0
[ 460.870761][ T8817] check_journal_clean+0x158/0x310
[ 460.870794][ T8817] ? __pfx_check_journal_clean+0x10/0x10
[ 460.870827][ T8817] ? init_journal+0x19a3/0x2170
[ 460.870864][ T8817] ? do_raw_spin_unlock+0x122/0x240
[ 460.870888][ T8817] ? _raw_spin_unlock+0x28/0x50
[ 460.870918][ T8817] ? gfs2_jdesc_find+0xab/0xc0
[ 460.870940][ T8817] init_journal+0x19a3/0x2170
[ 460.870981][ T8817] ? init_inodes+0xdb/0x320
[ 460.871009][ T8817] ? vsnprintf+0x38b/0xee0
[ 460.871038][ T8817] ? __pfx_init_journal+0x10/0x10
[ 460.871067][ T8817] ? vsnprintf+0xdf1/0xee0
[ 460.871115][ T8817] ? snprintf+0xda/0x120
[ 460.871144][ T8817] ? init_inodes+0xdb/0x320
[ 460.871172][ T8817] ? __pfx_snprintf+0x10/0x10
[ 460.871200][ T8817] ? gfs2_glock_nq_num+0x13d/0x170
[ 460.871224][ T8817] init_inodes+0xdb/0x320
[ 460.871263][ T8817] gfs2_fill_super+0x1a08/0x21b0
[ 460.871309][ T8817] ? __pfx_gfs2_fill_super+0x10/0x10
[ 460.871343][ T8817] ? init_locking+0xb8/0x210
[ 460.871371][ T8817] ? sb_set_blocksize+0x155/0x240
[ 460.871399][ T8817] ? setup_bdev_super+0x4c1/0x5b0
[ 460.871435][ T8817] get_tree_bdev_flags+0x40e/0x4d0
[ 460.871464][ T8817] ? __pfx_gfs2_fill_super+0x10/0x10
[ 460.871494][ T8817] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 460.871519][ T8817] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 460.871555][ T8817] gfs2_get_tree+0x51/0x1e0
[ 460.871588][ T8817] vfs_get_tree+0x92/0x2a0
[ 460.871616][ T8817] do_new_mount+0x31a/0xcf0
[ 460.871635][ T8817] ? apparmor_capable+0x137/0x1a0
[ 460.871671][ T8817] ? __pfx_do_new_mount+0x10/0x10
[ 460.871690][ T8817] ? ns_capable+0x8a/0xf0
[ 460.871718][ T8817] ? user_path_at+0xd4/0x160
[ 460.871748][ T8817] ? user_path_at+0xd4/0x160
[ 460.871774][ T8817] __se_sys_mount+0x313/0x410
[ 460.871802][ T8817] ? __pfx___se_sys_mount+0x10/0x10
[ 460.871830][ T8817] ? __x64_sys_mount+0x20/0xc0
[ 460.871853][ T8817] do_syscall_64+0xec/0xf80
[ 460.871874][ T8817] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.871894][ T8817] ? trace_irq_disable+0x37/0x100
[ 460.871913][ T8817] ? clear_bhb_loop+0x40/0x90
[ 460.871937][ T8817] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.871957][ T8817] RIP: 0033:0x7f626e19076a
[ 460.871976][ T8817] 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
[ 460.871994][ T8817] RSP: 002b:00007f626f0f1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 460.872014][ T8817] RAX: ffffffffffffffda RBX: 00007f626f0f1ef0 RCX: 00007f626e19076a
[ 460.872030][ T8817] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f626f0f1eb0
[ 460.872044][ T8817] RBP: 0000200000000400 R08: 00007f626f0f1ef0 R09: 0000000000200001
[ 460.872058][ T8817] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 460.872072][ T8817] R13: 00007f626f0f1eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 460.872103][ T8817]
[ 460.872489][ T8817] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 460.901475][ T8813] loop0: detected capacity change from 0 to 32768
[ 460.958422][ T8816] loop2: detected capacity change from 0 to 32768
[ 461.227057][ T8811] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 461.234476][ T8811] CPU: 1 UID: 0 PID: 8811 Comm: syz.1.566 Not tainted syzkaller #0 PREEMPT(full)
[ 461.234502][ T8811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 461.234514][ T8811] Call Trace:
[ 461.234522][ T8811]
[ 461.234531][ T8811] dump_stack_lvl+0xe8/0x150
[ 461.234563][ T8811] sysfs_create_dir_ns+0x259/0x280
[ 461.234596][ T8811] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 461.234627][ T8811] ? do_raw_spin_unlock+0x122/0x240
[ 461.234650][ T8811] kobject_add_internal+0x6ab/0xcc0
[ 461.234688][ T8811] kobject_init_and_add+0x125/0x190
[ 461.234720][ T8811] ? __pfx_kobject_init_and_add+0x10/0x10
[ 461.234748][ T8811] ? __raw_spin_lock_init+0x45/0x100
[ 461.234770][ T8811] ? __init_swait_queue_head+0xa9/0x150
[ 461.234805][ T8811] gfs2_sys_fs_add+0x234/0x450
[ 461.234826][ T8811] ? is_dynamic_key+0x1ac/0x1c0
[ 461.234851][ T8811] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 461.234881][ T8811] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 461.234923][ T8811] gfs2_fill_super+0x1388/0x21b0
[ 461.234964][ T8811] ? __pfx_gfs2_fill_super+0x10/0x10
[ 461.235001][ T8811] ? sb_set_blocksize+0x155/0x240
[ 461.235028][ T8811] ? setup_bdev_super+0x4c1/0x5b0
[ 461.235056][ T8811] get_tree_bdev_flags+0x40e/0x4d0
[ 461.235084][ T8811] ? __pfx_gfs2_fill_super+0x10/0x10
[ 461.235113][ T8811] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 461.235137][ T8811] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 461.235172][ T8811] gfs2_get_tree+0x51/0x1e0
[ 461.235203][ T8811] vfs_get_tree+0x92/0x2a0
[ 461.235231][ T8811] do_new_mount+0x31a/0xcf0
[ 461.235249][ T8811] ? apparmor_capable+0x137/0x1a0
[ 461.235285][ T8811] ? __pfx_do_new_mount+0x10/0x10
[ 461.235303][ T8811] ? ns_capable+0x8a/0xf0
[ 461.235330][ T8811] ? user_path_at+0xd4/0x160
[ 461.235359][ T8811] ? user_path_at+0xd4/0x160
[ 461.235387][ T8811] __se_sys_mount+0x313/0x410
[ 461.235415][ T8811] ? __pfx___se_sys_mount+0x10/0x10
[ 461.235443][ T8811] ? __x64_sys_mount+0x20/0xc0
[ 461.235465][ T8811] do_syscall_64+0xec/0xf80
[ 461.235486][ T8811] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.235504][ T8811] ? trace_irq_disable+0x37/0x100
[ 461.235523][ T8811] ? clear_bhb_loop+0x40/0x90
[ 461.235546][ T8811] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.235565][ T8811] RIP: 0033:0x7f6a2799076a
[ 461.235582][ T8811] 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
[ 461.235599][ T8811] RSP: 002b:00007f6a28769e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 461.235620][ T8811] RAX: ffffffffffffffda RBX: 00007f6a28769ef0 RCX: 00007f6a2799076a
[ 461.235635][ T8811] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6a28769eb0
[ 461.235649][ T8811] RBP: 0000200000000400 R08: 00007f6a28769ef0 R09: 0000000000200001
[ 461.235663][ T8811] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 461.235675][ T8811] R13: 00007f6a28769eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 461.235704][ T8811]
[ 461.235731][ T8811] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 461.344301][ T8813] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 461.356851][ T8811] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 461.363327][ T8816] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 461.377092][ T8813] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 461.406802][ T8816] CPU: 0 UID: 0 PID: 8816 Comm: syz.2.568 Not tainted syzkaller #0 PREEMPT(full)
[ 461.406829][ T8816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 461.406842][ T8816] Call Trace:
[ 461.406850][ T8816]
[ 461.406858][ T8816] dump_stack_lvl+0xe8/0x150
[ 461.406889][ T8816] sysfs_create_dir_ns+0x259/0x280
[ 461.406921][ T8816] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 461.406951][ T8816] ? do_raw_spin_unlock+0x122/0x240
[ 461.406975][ T8816] kobject_add_internal+0x6ab/0xcc0
[ 461.407008][ T8816] kobject_init_and_add+0x125/0x190
[ 461.407037][ T8816] ? __pfx_kobject_init_and_add+0x10/0x10
[ 461.407062][ T8816] ? __raw_spin_lock_init+0x45/0x100
[ 461.407084][ T8816] ? __init_swait_queue_head+0xa9/0x150
[ 461.407118][ T8816] gfs2_sys_fs_add+0x234/0x450
[ 461.407140][ T8816] ? is_dynamic_key+0x1ac/0x1c0
[ 461.407165][ T8816] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 461.407196][ T8816] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 461.407244][ T8816] gfs2_fill_super+0x1388/0x21b0
[ 461.407288][ T8816] ? __pfx_gfs2_fill_super+0x10/0x10
[ 461.407320][ T8816] ? sb_set_blocksize+0x155/0x240
[ 461.407347][ T8816] ? setup_bdev_super+0x4c1/0x5b0
[ 461.407376][ T8816] get_tree_bdev_flags+0x40e/0x4d0
[ 461.407403][ T8816] ? __pfx_gfs2_fill_super+0x10/0x10
[ 461.407431][ T8816] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 461.407456][ T8816] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 461.407490][ T8816] gfs2_get_tree+0x51/0x1e0
[ 461.407521][ T8816] vfs_get_tree+0x92/0x2a0
[ 461.407550][ T8816] do_new_mount+0x31a/0xcf0
[ 461.407568][ T8816] ? apparmor_capable+0x137/0x1a0
[ 461.407603][ T8816] ? __pfx_do_new_mount+0x10/0x10
[ 461.407621][ T8816] ? ns_capable+0x8a/0xf0
[ 461.407648][ T8816] ? user_path_at+0xd4/0x160
[ 461.407676][ T8816] ? user_path_at+0xd4/0x160
[ 461.407702][ T8816] __se_sys_mount+0x313/0x410
[ 461.407728][ T8816] ? __pfx___se_sys_mount+0x10/0x10
[ 461.407754][ T8816] ? __x64_sys_mount+0x20/0xc0
[ 461.407777][ T8816] do_syscall_64+0xec/0xf80
[ 461.407797][ T8816] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.407816][ T8816] ? trace_irq_disable+0x37/0x100
[ 461.407834][ T8816] ? clear_bhb_loop+0x40/0x90
[ 461.407857][ T8816] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.407876][ T8816] RIP: 0033:0x7f2d4a79076a
[ 461.407894][ 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
[ 461.407911][ T8816] RSP: 002b:00007f2d4b6a4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 461.407932][ T8816] RAX: ffffffffffffffda RBX: 00007f2d4b6a4ef0 RCX: 00007f2d4a79076a
[ 461.407946][ T8816] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f2d4b6a4eb0
[ 461.407960][ T8816] RBP: 0000200000000400 R08: 00007f2d4b6a4ef0 R09: 0000000000200001
[ 461.407974][ T8816] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 461.407986][ T8816] R13: 00007f2d4b6a4eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 461.408016][ T8816]
[ 461.408041][ T8816] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 461.854029][ T8813] 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
[ 461.944425][ T8816] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 461.987997][ T8813] 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
[ 461.997518][ T8813] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8813 [syz.0.567] init_journal+0x19a3/0x2170
[ 462.045408][ T8813] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 462.096068][ T8813] CPU: 0 UID: 0 PID: 8813 Comm: syz.0.567 Not tainted syzkaller #0 PREEMPT(full)
[ 462.096097][ T8813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 462.096111][ T8813] Call Trace:
[ 462.096120][ T8813]
[ 462.096129][ T8813] dump_stack_lvl+0xe8/0x150
[ 462.096160][ T8813] gfs2_withdraw+0xc3/0x1b0
[ 462.096192][ T8813] gfs2_jdesc_check+0x17d/0x2f0
[ 462.096220][ T8813] check_journal_clean+0x158/0x310
[ 462.096252][ T8813] ? __pfx_check_journal_clean+0x10/0x10
[ 462.096285][ T8813] ? init_journal+0x19a3/0x2170
[ 462.096322][ T8813] ? do_raw_spin_unlock+0x122/0x240
[ 462.096347][ T8813] ? _raw_spin_unlock+0x28/0x50
[ 462.096377][ T8813] ? gfs2_jdesc_find+0xab/0xc0
[ 462.096399][ T8813] init_journal+0x19a3/0x2170
[ 462.096439][ T8813] ? init_inodes+0xdb/0x320
[ 462.096468][ T8813] ? vsnprintf+0x38b/0xee0
[ 462.096497][ T8813] ? __pfx_init_journal+0x10/0x10
[ 462.096526][ T8813] ? vsnprintf+0xdf1/0xee0
[ 462.096562][ T8813] ? snprintf+0xda/0x120
[ 462.096591][ T8813] ? init_inodes+0xdb/0x320
[ 462.096620][ T8813] ? __pfx_snprintf+0x10/0x10
[ 462.096648][ T8813] ? gfs2_glock_nq_num+0x13d/0x170
[ 462.096672][ T8813] init_inodes+0xdb/0x320
[ 462.096704][ T8813] gfs2_fill_super+0x1a08/0x21b0
[ 462.096750][ T8813] ? __pfx_gfs2_fill_super+0x10/0x10
[ 462.096778][ T8813] ? init_locking+0xb8/0x210
[ 462.096802][ T8813] ? sb_set_blocksize+0x155/0x240
[ 462.096829][ T8813] ? setup_bdev_super+0x4c1/0x5b0
[ 462.096865][ T8813] get_tree_bdev_flags+0x40e/0x4d0
[ 462.096893][ T8813] ? __pfx_gfs2_fill_super+0x10/0x10
[ 462.096922][ T8813] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 462.096948][ T8813] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 462.096983][ T8813] gfs2_get_tree+0x51/0x1e0
[ 462.097014][ T8813] vfs_get_tree+0x92/0x2a0
[ 462.097041][ T8813] do_new_mount+0x31a/0xcf0
[ 462.097057][ T8813] ? apparmor_capable+0x137/0x1a0
[ 462.097090][ T8813] ? __pfx_do_new_mount+0x10/0x10
[ 462.097108][ T8813] ? ns_capable+0x8a/0xf0
[ 462.097133][ T8813] ? user_path_at+0xd4/0x160
[ 462.097162][ T8813] ? user_path_at+0xd4/0x160
[ 462.097188][ T8813] __se_sys_mount+0x313/0x410
[ 462.097217][ T8813] ? __pfx___se_sys_mount+0x10/0x10
[ 462.097245][ T8813] ? __x64_sys_mount+0x20/0xc0
[ 462.097268][ T8813] do_syscall_64+0xec/0xf80
[ 462.097290][ T8813] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 462.097307][ T8813] ? trace_irq_disable+0x37/0x100
[ 462.097325][ T8813] ? clear_bhb_loop+0x40/0x90
[ 462.097349][ T8813] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 462.097368][ T8813] RIP: 0033:0x7f343cf9076a
[ 462.097388][ T8813] 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
[ 462.097404][ T8813] RSP: 002b:00007f343dd69e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 462.097425][ T8813] RAX: ffffffffffffffda RBX: 00007f343dd69ef0 RCX: 00007f343cf9076a
[ 462.097440][ T8813] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f343dd69eb0
[ 462.097454][ T8813] RBP: 0000200000000400 R08: 00007f343dd69ef0 R09: 0000000000200001
[ 462.097467][ T8813] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 462.097480][ T8813] R13: 00007f343dd69eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 462.097511][ T8813]
[ 462.487613][ T8813] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 462.754642][ T8833] loop1: detected capacity change from 0 to 32768
[ 462.788195][ T8833] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 462.826974][ T8833] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 462.857607][ T8833] 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
[ 462.884812][ T8832] loop3: detected capacity change from 0 to 32768
[ 462.899125][ T8821] loop4: detected capacity change from 0 to 32768
[ 462.905909][ T8833] 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
[ 462.956891][ T8833] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8833 [syz.1.571] init_journal+0x19a3/0x2170
[ 462.990013][ T8833] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 463.009634][ T8821] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 463.025512][ T8833] CPU: 0 UID: 0 PID: 8833 Comm: syz.1.571 Not tainted syzkaller #0 PREEMPT(full)
[ 463.025540][ T8833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 463.025553][ T8833] Call Trace:
[ 463.025561][ T8833]
[ 463.025570][ T8833] dump_stack_lvl+0xe8/0x150
[ 463.025602][ T8833] gfs2_withdraw+0xc3/0x1b0
[ 463.025634][ T8833] gfs2_jdesc_check+0x17d/0x2f0
[ 463.025659][ T8833] check_journal_clean+0x158/0x310
[ 463.025690][ T8833] ? __pfx_check_journal_clean+0x10/0x10
[ 463.025721][ T8833] ? init_journal+0x19a3/0x2170
[ 463.025757][ T8833] ? do_raw_spin_unlock+0x122/0x240
[ 463.025791][ T8833] ? _raw_spin_unlock+0x28/0x50
[ 463.025819][ T8833] ? gfs2_jdesc_find+0xab/0xc0
[ 463.025841][ T8833] init_journal+0x19a3/0x2170
[ 463.025878][ T8833] ? init_inodes+0xdb/0x320
[ 463.025911][ T8833] ? vsnprintf+0x38b/0xee0
[ 463.025940][ T8833] ? __pfx_init_journal+0x10/0x10
[ 463.025971][ T8833] ? vsnprintf+0xdf1/0xee0
[ 463.026008][ T8833] ? snprintf+0xda/0x120
[ 463.026034][ T8833] ? init_inodes+0xdb/0x320
[ 463.026063][ T8833] ? __pfx_snprintf+0x10/0x10
[ 463.026096][ T8833] ? gfs2_glock_nq_num+0x13d/0x170
[ 463.026120][ T8833] init_inodes+0xdb/0x320
[ 463.026153][ T8833] gfs2_fill_super+0x1a08/0x21b0
[ 463.026202][ T8833] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.026235][ T8833] ? init_locking+0xb8/0x210
[ 463.026262][ T8833] ? sb_set_blocksize+0x155/0x240
[ 463.026289][ T8833] ? setup_bdev_super+0x4c1/0x5b0
[ 463.026320][ T8833] get_tree_bdev_flags+0x40e/0x4d0
[ 463.026347][ T8833] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.026377][ T8833] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 463.026403][ T8833] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 463.026438][ T8833] gfs2_get_tree+0x51/0x1e0
[ 463.026470][ T8833] vfs_get_tree+0x92/0x2a0
[ 463.026499][ T8833] do_new_mount+0x31a/0xcf0
[ 463.026519][ T8833] ? apparmor_capable+0x137/0x1a0
[ 463.026552][ T8833] ? __pfx_do_new_mount+0x10/0x10
[ 463.026572][ T8833] ? ns_capable+0x8a/0xf0
[ 463.026600][ T8833] ? user_path_at+0xd4/0x160
[ 463.026629][ T8833] ? user_path_at+0xd4/0x160
[ 463.026655][ T8833] __se_sys_mount+0x313/0x410
[ 463.026683][ T8833] ? __pfx___se_sys_mount+0x10/0x10
[ 463.026711][ T8833] ? __x64_sys_mount+0x20/0xc0
[ 463.026737][ T8833] do_syscall_64+0xec/0xf80
[ 463.026754][ T8833] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.026778][ T8833] ? trace_irq_disable+0x37/0x100
[ 463.026795][ T8833] ? clear_bhb_loop+0x40/0x90
[ 463.026818][ T8833] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.026837][ T8833] RIP: 0033:0x7f6a2799076a
[ 463.026857][ T8833] 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
[ 463.026875][ T8833] RSP: 002b:00007f6a28769e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 463.026895][ T8833] RAX: ffffffffffffffda RBX: 00007f6a28769ef0 RCX: 00007f6a2799076a
[ 463.026909][ T8833] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6a28769eb0
[ 463.026921][ T8833] RBP: 0000200000000400 R08: 00007f6a28769ef0 R09: 0000000000200001
[ 463.026935][ T8833] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 463.026948][ T8833] R13: 00007f6a28769eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 463.026976][ T8833]
[ 463.376956][ T8833] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 463.407024][ T8821] CPU: 1 UID: 0 PID: 8821 Comm: syz.4.570 Not tainted syzkaller #0 PREEMPT(full)
[ 463.407064][ T8821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 463.407078][ T8821] Call Trace:
[ 463.407086][ T8821]
[ 463.407095][ T8821] dump_stack_lvl+0xe8/0x150
[ 463.407128][ T8821] sysfs_create_dir_ns+0x259/0x280
[ 463.407162][ T8821] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 463.407194][ T8821] ? do_raw_spin_unlock+0x122/0x240
[ 463.407220][ T8821] kobject_add_internal+0x6ab/0xcc0
[ 463.407258][ T8821] kobject_init_and_add+0x125/0x190
[ 463.407289][ T8821] ? __pfx_kobject_init_and_add+0x10/0x10
[ 463.407316][ T8821] ? __raw_spin_lock_init+0x45/0x100
[ 463.407338][ T8821] ? __init_swait_queue_head+0xa9/0x150
[ 463.407375][ T8821] gfs2_sys_fs_add+0x234/0x450
[ 463.407399][ T8821] ? is_dynamic_key+0x1ac/0x1c0
[ 463.407431][ T8821] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 463.407464][ T8821] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 463.407510][ T8821] gfs2_fill_super+0x1388/0x21b0
[ 463.407556][ T8821] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.407591][ T8821] ? sb_set_blocksize+0x155/0x240
[ 463.407620][ T8821] ? setup_bdev_super+0x4c1/0x5b0
[ 463.407652][ T8821] get_tree_bdev_flags+0x40e/0x4d0
[ 463.407681][ T8821] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.407711][ T8821] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 463.407738][ T8821] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 463.407774][ T8821] gfs2_get_tree+0x51/0x1e0
[ 463.407807][ T8821] vfs_get_tree+0x92/0x2a0
[ 463.407838][ T8821] do_new_mount+0x31a/0xcf0
[ 463.407857][ T8821] ? apparmor_capable+0x137/0x1a0
[ 463.407894][ T8821] ? __pfx_do_new_mount+0x10/0x10
[ 463.407915][ T8821] ? ns_capable+0x8a/0xf0
[ 463.407943][ T8821] ? user_path_at+0xd4/0x160
[ 463.407971][ T8821] ? user_path_at+0xd4/0x160
[ 463.407998][ T8821] __se_sys_mount+0x313/0x410
[ 463.408026][ T8821] ? __pfx___se_sys_mount+0x10/0x10
[ 463.408059][ T8821] ? __x64_sys_mount+0x20/0xc0
[ 463.408083][ T8821] do_syscall_64+0xec/0xf80
[ 463.408104][ T8821] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.408124][ T8821] ? trace_irq_disable+0x37/0x100
[ 463.408143][ T8821] ? clear_bhb_loop+0x40/0x90
[ 463.408168][ T8821] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.408188][ T8821] RIP: 0033:0x7fb96959076a
[ 463.408208][ T8821] 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
[ 463.408226][ T8821] RSP: 002b:00007fb96a4dde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 463.408248][ T8821] RAX: ffffffffffffffda RBX: 00007fb96a4ddef0 RCX: 00007fb96959076a
[ 463.408264][ T8821] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fb96a4ddeb0
[ 463.408278][ T8821] RBP: 0000200000000400 R08: 00007fb96a4ddef0 R09: 0000000000200001
[ 463.408292][ T8821] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 463.408306][ T8821] R13: 00007fb96a4ddeb0 R14: 00000000000125d5 R15: 0000200000000240
[ 463.408338][ T8821]
[ 463.408522][ T8821] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 463.596309][ T8835] loop2: detected capacity change from 0 to 32768
[ 463.628313][ T8832] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 463.628338][ T8832] CPU: 1 UID: 0 PID: 8832 Comm: syz.3.572 Not tainted syzkaller #0 PREEMPT(full)
[ 463.628362][ T8832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 463.628375][ T8832] Call Trace:
[ 463.628383][ T8832]
[ 463.628391][ T8832] dump_stack_lvl+0xe8/0x150
[ 463.628423][ T8832] sysfs_create_dir_ns+0x259/0x280
[ 463.628456][ T8832] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 463.628487][ T8832] ? do_raw_spin_unlock+0x122/0x240
[ 463.628513][ T8832] kobject_add_internal+0x6ab/0xcc0
[ 463.628547][ T8832] kobject_init_and_add+0x125/0x190
[ 463.628577][ T8832] ? __pfx_kobject_init_and_add+0x10/0x10
[ 463.628604][ T8832] ? __raw_spin_lock_init+0x45/0x100
[ 463.628626][ T8832] ? __init_swait_queue_head+0xa9/0x150
[ 463.628662][ T8832] gfs2_sys_fs_add+0x234/0x450
[ 463.628685][ T8832] ? is_dynamic_key+0x1ac/0x1c0
[ 463.628711][ T8832] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 463.628744][ T8832] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 463.628788][ T8832] gfs2_fill_super+0x1388/0x21b0
[ 463.628834][ T8832] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.628869][ T8832] ? sb_set_blocksize+0x155/0x240
[ 463.628897][ T8832] ? setup_bdev_super+0x4c1/0x5b0
[ 463.628927][ T8832] get_tree_bdev_flags+0x40e/0x4d0
[ 463.628955][ T8832] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.628984][ T8832] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 463.629007][ T8832] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 463.629039][ T8832] gfs2_get_tree+0x51/0x1e0
[ 463.629079][ T8832] vfs_get_tree+0x92/0x2a0
[ 463.629108][ T8832] do_new_mount+0x31a/0xcf0
[ 463.629126][ T8832] ? apparmor_capable+0x137/0x1a0
[ 463.629160][ T8832] ? __pfx_do_new_mount+0x10/0x10
[ 463.629180][ T8832] ? ns_capable+0x8a/0xf0
[ 463.629207][ T8832] ? user_path_at+0xd4/0x160
[ 463.629235][ T8832] ? user_path_at+0xd4/0x160
[ 463.629260][ T8832] __se_sys_mount+0x313/0x410
[ 463.629286][ T8832] ? __pfx___se_sys_mount+0x10/0x10
[ 463.629314][ T8832] ? __x64_sys_mount+0x20/0xc0
[ 463.629337][ T8832] do_syscall_64+0xec/0xf80
[ 463.629356][ T8832] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.629375][ T8832] ? trace_irq_disable+0x37/0x100
[ 463.629394][ T8832] ? clear_bhb_loop+0x40/0x90
[ 463.629418][ T8832] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.629437][ T8832] RIP: 0033:0x7f626e19076a
[ 463.629455][ T8832] 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
[ 463.629472][ T8832] RSP: 002b:00007f626f0f1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 463.629493][ T8832] RAX: ffffffffffffffda RBX: 00007f626f0f1ef0 RCX: 00007f626e19076a
[ 463.629507][ T8832] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f626f0f1eb0
[ 463.629521][ T8832] RBP: 0000200000000400 R08: 00007f626f0f1ef0 R09: 0000000000200001
[ 463.629534][ T8832] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 463.629547][ T8832] R13: 00007f626f0f1eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 463.629577][ T8832]
[ 463.629600][ T8832] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 463.654102][ T8821] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 464.027465][ T8832] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 464.064996][ T8835] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 464.085119][ T8835] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
2026/01/13 10:00:24 executed programs: 568
[ 464.185942][ T8835] 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
[ 464.223060][ T8835] 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
[ 464.247664][ T8835] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8835 [syz.2.573] init_journal+0x19a3/0x2170
[ 464.297534][ T8835] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 464.336038][ T8835] CPU: 0 UID: 0 PID: 8835 Comm: syz.2.573 Not tainted syzkaller #0 PREEMPT(full)
[ 464.336066][ T8835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 464.336079][ T8835] Call Trace:
[ 464.336088][ T8835]
[ 464.336097][ T8835] dump_stack_lvl+0xe8/0x150
[ 464.336128][ T8835] gfs2_withdraw+0xc3/0x1b0
[ 464.336159][ T8835] gfs2_jdesc_check+0x17d/0x2f0
[ 464.336186][ T8835] check_journal_clean+0x158/0x310
[ 464.336215][ T8835] ? __pfx_check_journal_clean+0x10/0x10
[ 464.336244][ T8835] ? init_journal+0x19a3/0x2170
[ 464.336278][ T8835] ? do_raw_spin_unlock+0x122/0x240
[ 464.336301][ T8835] ? _raw_spin_unlock+0x28/0x50
[ 464.336329][ T8835] ? gfs2_jdesc_find+0xab/0xc0
[ 464.336352][ T8835] init_journal+0x19a3/0x2170
[ 464.336392][ T8835] ? init_inodes+0xdb/0x320
[ 464.336419][ T8835] ? vsnprintf+0x38b/0xee0
[ 464.336445][ T8835] ? __pfx_init_journal+0x10/0x10
[ 464.336474][ T8835] ? vsnprintf+0xdf1/0xee0
[ 464.336510][ T8835] ? snprintf+0xda/0x120
[ 464.336537][ T8835] ? init_inodes+0xdb/0x320
[ 464.336567][ T8835] ? __pfx_snprintf+0x10/0x10
[ 464.336595][ T8835] ? gfs2_glock_nq_num+0x13d/0x170
[ 464.336617][ T8835] init_inodes+0xdb/0x320
[ 464.336649][ T8835] gfs2_fill_super+0x1a08/0x21b0
[ 464.336690][ T8835] ? __pfx_gfs2_fill_super+0x10/0x10
[ 464.336736][ T8835] ? init_locking+0xb8/0x210
[ 464.336759][ T8835] ? sb_set_blocksize+0x155/0x240
[ 464.336783][ T8835] ? setup_bdev_super+0x4c1/0x5b0
[ 464.336812][ T8835] get_tree_bdev_flags+0x40e/0x4d0
[ 464.336838][ T8835] ? __pfx_gfs2_fill_super+0x10/0x10
[ 464.336868][ T8835] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 464.336893][ T8835] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 464.336925][ T8835] gfs2_get_tree+0x51/0x1e0
[ 464.336955][ T8835] vfs_get_tree+0x92/0x2a0
[ 464.336983][ T8835] do_new_mount+0x31a/0xcf0
[ 464.337000][ T8835] ? apparmor_capable+0x137/0x1a0
[ 464.337035][ T8835] ? __pfx_do_new_mount+0x10/0x10
[ 464.337055][ T8835] ? ns_capable+0x8a/0xf0
[ 464.337082][ T8835] ? user_path_at+0xd4/0x160
[ 464.337111][ T8835] ? user_path_at+0xd4/0x160
[ 464.337136][ T8835] __se_sys_mount+0x313/0x410
[ 464.337164][ T8835] ? __pfx___se_sys_mount+0x10/0x10
[ 464.337192][ T8835] ? __x64_sys_mount+0x20/0xc0
[ 464.337215][ T8835] do_syscall_64+0xec/0xf80
[ 464.337236][ T8835] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 464.337256][ T8835] ? trace_irq_disable+0x37/0x100
[ 464.337274][ T8835] ? clear_bhb_loop+0x40/0x90
[ 464.337297][ T8835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 464.337316][ T8835] RIP: 0033:0x7f2d4a79076a
[ 464.337335][ T8835] 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
[ 464.337352][ T8835] RSP: 002b:00007f2d4b6a4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 464.337372][ T8835] RAX: ffffffffffffffda RBX: 00007f2d4b6a4ef0 RCX: 00007f2d4a79076a
[ 464.337385][ T8835] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f2d4b6a4eb0
[ 464.337398][ T8835] RBP: 0000200000000400 R08: 00007f2d4b6a4ef0 R09: 0000000000200001
[ 464.337411][ T8835] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 464.337423][ T8835] R13: 00007f2d4b6a4eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 464.337453][ T8835]
[ 464.729011][ T8835] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 465.076680][ T8844] loop0: detected capacity change from 0 to 32768
[ 465.138433][ T8844] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 465.148104][ T8844] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 465.171838][ 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
[ 465.237839][ 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
[ 465.256848][ T8844] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8844 [syz.0.574] init_journal+0x19a3/0x2170
[ 465.278194][ T8844] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 465.286141][ T8844] CPU: 1 UID: 0 PID: 8844 Comm: syz.0.574 Not tainted syzkaller #0 PREEMPT(full)
[ 465.286168][ T8844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 465.286183][ T8844] Call Trace:
[ 465.286191][ T8844]
[ 465.286201][ T8844] dump_stack_lvl+0xe8/0x150
[ 465.286234][ T8844] gfs2_withdraw+0xc3/0x1b0
[ 465.286265][ T8844] gfs2_jdesc_check+0x17d/0x2f0
[ 465.286292][ T8844] check_journal_clean+0x158/0x310
[ 465.286325][ T8844] ? __pfx_check_journal_clean+0x10/0x10
[ 465.286357][ T8844] ? init_journal+0x19a3/0x2170
[ 465.286394][ T8844] ? do_raw_spin_unlock+0x122/0x240
[ 465.286419][ T8844] ? _raw_spin_unlock+0x28/0x50
[ 465.286447][ T8844] ? gfs2_jdesc_find+0xab/0xc0
[ 465.286470][ T8844] init_journal+0x19a3/0x2170
[ 465.286510][ T8844] ? init_inodes+0xdb/0x320
[ 465.286539][ T8844] ? vsnprintf+0x38b/0xee0
[ 465.286568][ T8844] ? __pfx_init_journal+0x10/0x10
[ 465.286598][ T8844] ? vsnprintf+0xdf1/0xee0
[ 465.286635][ T8844] ? snprintf+0xda/0x120
[ 465.286664][ T8844] ? init_inodes+0xdb/0x320
[ 465.286700][ T8844] ? __pfx_snprintf+0x10/0x10
[ 465.286729][ T8844] ? gfs2_glock_nq_num+0x13d/0x170
[ 465.286752][ T8844] init_inodes+0xdb/0x320
[ 465.286778][ T8844] gfs2_fill_super+0x1a08/0x21b0
[ 465.286815][ T8844] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.286845][ T8844] ? init_locking+0xb8/0x210
[ 465.286868][ T8844] ? sb_set_blocksize+0x155/0x240
[ 465.286893][ T8844] ? setup_bdev_super+0x4c1/0x5b0
[ 465.286923][ T8844] get_tree_bdev_flags+0x40e/0x4d0
[ 465.286951][ T8844] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.286981][ T8844] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 465.287007][ T8844] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 465.287042][ T8844] gfs2_get_tree+0x51/0x1e0
[ 465.287075][ T8844] vfs_get_tree+0x92/0x2a0
[ 465.287106][ T8844] do_new_mount+0x31a/0xcf0
[ 465.287125][ T8844] ? apparmor_capable+0x137/0x1a0
[ 465.287160][ T8844] ? __pfx_do_new_mount+0x10/0x10
[ 465.287181][ T8844] ? ns_capable+0x8a/0xf0
[ 465.287207][ T8844] ? user_path_at+0xd4/0x160
[ 465.287236][ T8844] ? user_path_at+0xd4/0x160
[ 465.287263][ T8844] __se_sys_mount+0x313/0x410
[ 465.287290][ T8844] ? __pfx___se_sys_mount+0x10/0x10
[ 465.287318][ T8844] ? __x64_sys_mount+0x20/0xc0
[ 465.287340][ T8844] do_syscall_64+0xec/0xf80
[ 465.287362][ T8844] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.287380][ T8844] ? trace_irq_disable+0x37/0x100
[ 465.287399][ T8844] ? clear_bhb_loop+0x40/0x90
[ 465.287424][ T8844] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.287444][ T8844] RIP: 0033:0x7f343cf9076a
[ 465.287464][ 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
[ 465.287482][ T8844] RSP: 002b:00007f343dd69e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 465.287504][ T8844] RAX: ffffffffffffffda RBX: 00007f343dd69ef0 RCX: 00007f343cf9076a
[ 465.287519][ T8844] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f343dd69eb0
[ 465.287533][ T8844] RBP: 0000200000000400 R08: 00007f343dd69ef0 R09: 0000000000200001
[ 465.287547][ T8844] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 465.287561][ T8844] R13: 00007f343dd69eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 465.287592][ T8844]
[ 465.688598][ T8844] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 465.888918][ T8850] loop4: detected capacity change from 0 to 32768
[ 465.983976][ T8850] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 465.992313][ T8850] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 466.032802][ T8850] 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
[ 466.063215][ T8850] 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
[ 466.107186][ T8850] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8850 [syz.4.575] init_journal+0x19a3/0x2170
[ 466.126914][ T8850] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 466.135032][ T8850] CPU: 1 UID: 0 PID: 8850 Comm: syz.4.575 Not tainted syzkaller #0 PREEMPT(full)
[ 466.135055][ T8850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 466.135068][ T8850] Call Trace:
[ 466.135076][ T8850]
[ 466.135084][ T8850] dump_stack_lvl+0xe8/0x150
[ 466.135116][ T8850] gfs2_withdraw+0xc3/0x1b0
[ 466.135146][ T8850] gfs2_jdesc_check+0x17d/0x2f0
[ 466.135168][ T8850] check_journal_clean+0x158/0x310
[ 466.135196][ T8850] ? __pfx_check_journal_clean+0x10/0x10
[ 466.135224][ T8850] ? init_journal+0x19a3/0x2170
[ 466.135255][ T8850] ? do_raw_spin_unlock+0x122/0x240
[ 466.135276][ T8850] ? _raw_spin_unlock+0x28/0x50
[ 466.135301][ T8850] ? gfs2_jdesc_find+0xab/0xc0
[ 466.135319][ T8850] init_journal+0x19a3/0x2170
[ 466.135353][ T8850] ? init_inodes+0xdb/0x320
[ 466.135377][ T8850] ? vsnprintf+0x38b/0xee0
[ 466.135402][ T8850] ? __pfx_init_journal+0x10/0x10
[ 466.135427][ T8850] ? vsnprintf+0xdf1/0xee0
[ 466.135457][ T8850] ? snprintf+0xda/0x120
[ 466.135481][ T8850] ? init_inodes+0xdb/0x320
[ 466.135505][ T8850] ? __pfx_snprintf+0x10/0x10
[ 466.135529][ T8850] ? gfs2_glock_nq_num+0x13d/0x170
[ 466.135549][ T8850] init_inodes+0xdb/0x320
[ 466.135576][ T8850] gfs2_fill_super+0x1a08/0x21b0
[ 466.135614][ T8850] ? __pfx_gfs2_fill_super+0x10/0x10
[ 466.135641][ T8850] ? init_locking+0xb8/0x210
[ 466.135664][ T8850] ? sb_set_blocksize+0x155/0x240
[ 466.135687][ T8850] ? setup_bdev_super+0x4c1/0x5b0
[ 466.135714][ T8850] get_tree_bdev_flags+0x40e/0x4d0
[ 466.135737][ T8850] ? __pfx_gfs2_fill_super+0x10/0x10
[ 466.135762][ T8850] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 466.135784][ T8850] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 466.135820][ T8850] gfs2_get_tree+0x51/0x1e0
[ 466.135847][ T8850] vfs_get_tree+0x92/0x2a0
[ 466.135872][ T8850] do_new_mount+0x31a/0xcf0
[ 466.135889][ T8850] ? apparmor_capable+0x137/0x1a0
[ 466.135918][ T8850] ? __pfx_do_new_mount+0x10/0x10
[ 466.135936][ T8850] ? ns_capable+0x8a/0xf0
[ 466.135958][ T8850] ? user_path_at+0xd4/0x160
[ 466.135983][ T8850] ? user_path_at+0xd4/0x160
[ 466.136005][ T8850] __se_sys_mount+0x313/0x410
[ 466.136028][ T8850] ? __pfx___se_sys_mount+0x10/0x10
[ 466.136051][ T8850] ? __x64_sys_mount+0x20/0xc0
[ 466.136070][ T8850] do_syscall_64+0xec/0xf80
[ 466.136088][ T8850] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 466.136104][ T8850] ? trace_irq_disable+0x37/0x100
[ 466.136120][ T8850] ? clear_bhb_loop+0x40/0x90
[ 466.136141][ T8850] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 466.136158][ T8850] RIP: 0033:0x7fb96959076a
[ 466.136174][ 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
[ 466.136189][ T8850] RSP: 002b:00007fb96a4dde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 466.136208][ T8850] RAX: ffffffffffffffda RBX: 00007fb96a4ddef0 RCX: 00007fb96959076a
[ 466.136221][ T8850] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fb96a4ddeb0
[ 466.136233][ T8850] RBP: 0000200000000400 R08: 00007fb96a4ddef0 R09: 0000000000200001
[ 466.136246][ T8850] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 466.136258][ T8850] R13: 00007fb96a4ddeb0 R14: 00000000000125d5 R15: 0000200000000240
[ 466.136284][ T8850]
[ 466.136295][ T8850] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 466.482151][ T8852] loop1: detected capacity change from 0 to 32768
[ 466.511993][ T8851] loop3: detected capacity change from 0 to 32768
[ 466.565881][ T8851] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 466.605632][ T8852] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 466.636208][ T8851] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 466.645559][ T8852] CPU: 1 UID: 0 PID: 8852 Comm: syz.1.576 Not tainted syzkaller #0 PREEMPT(full)
[ 466.645586][ T8852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 466.645599][ T8852] Call Trace:
[ 466.645607][ T8852]
[ 466.645616][ T8852] dump_stack_lvl+0xe8/0x150
[ 466.645648][ T8852] sysfs_create_dir_ns+0x259/0x280
[ 466.645681][ T8852] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 466.645713][ T8852] ? do_raw_spin_unlock+0x122/0x240
[ 466.645738][ T8852] kobject_add_internal+0x6ab/0xcc0
[ 466.645773][ T8852] kobject_init_and_add+0x125/0x190
[ 466.645815][ T8852] ? __pfx_kobject_init_and_add+0x10/0x10
[ 466.645841][ T8852] ? __raw_spin_lock_init+0x45/0x100
[ 466.645864][ T8852] ? __init_swait_queue_head+0xa9/0x150
[ 466.645899][ T8852] gfs2_sys_fs_add+0x234/0x450
[ 466.645923][ T8852] ? is_dynamic_key+0x1ac/0x1c0
[ 466.645949][ T8852] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 466.645982][ T8852] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 466.646027][ T8852] gfs2_fill_super+0x1388/0x21b0
[ 466.646073][ T8852] ? __pfx_gfs2_fill_super+0x10/0x10
[ 466.646107][ T8852] ? sb_set_blocksize+0x155/0x240
[ 466.646135][ T8852] ? setup_bdev_super+0x4c1/0x5b0
[ 466.646166][ T8852] get_tree_bdev_flags+0x40e/0x4d0
[ 466.646194][ T8852] ? __pfx_gfs2_fill_super+0x10/0x10
[ 466.646223][ T8852] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 466.646247][ T8852] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 466.646283][ T8852] gfs2_get_tree+0x51/0x1e0
[ 466.646315][ T8852] vfs_get_tree+0x92/0x2a0
[ 466.646346][ T8852] do_new_mount+0x31a/0xcf0
[ 466.646365][ T8852] ? apparmor_capable+0x137/0x1a0
[ 466.646400][ T8852] ? __pfx_do_new_mount+0x10/0x10
[ 466.646420][ T8852] ? ns_capable+0x8a/0xf0
[ 466.646447][ T8852] ? user_path_at+0xd4/0x160
[ 466.646477][ T8852] ? user_path_at+0xd4/0x160
[ 466.646504][ T8852] __se_sys_mount+0x313/0x410
[ 466.646531][ T8852] ? __pfx___se_sys_mount+0x10/0x10
[ 466.646557][ T8852] ? __x64_sys_mount+0x20/0xc0
[ 466.646580][ T8852] do_syscall_64+0xec/0xf80
[ 466.646602][ T8852] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 466.646621][ T8852] ? trace_irq_disable+0x37/0x100
[ 466.646639][ T8852] ? clear_bhb_loop+0x40/0x90
[ 466.646664][ T8852] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 466.646684][ T8852] RIP: 0033:0x7f6a2799076a
[ 466.646704][ T8852] 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
[ 466.646722][ T8852] RSP: 002b:00007f6a28769e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 466.646745][ T8852] RAX: ffffffffffffffda RBX: 00007f6a28769ef0 RCX: 00007f6a2799076a
[ 466.646758][ T8852] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6a28769eb0
[ 466.646771][ T8852] RBP: 0000200000000400 R08: 00007f6a28769ef0 R09: 0000000000200001
[ 466.646792][ T8852] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 466.646806][ T8852] R13: 00007f6a28769eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 466.646837][ T8852]
[ 466.792143][ T8851] 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
[ 466.957070][ T8852] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 466.988153][ T8851] 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
[ 467.016974][ T8851] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8851 [syz.3.577] init_journal+0x19a3/0x2170
[ 467.026834][ T8852] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 467.056894][ T8851] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 467.088714][ T8851] CPU: 1 UID: 0 PID: 8851 Comm: syz.3.577 Not tainted syzkaller #0 PREEMPT(full)
[ 467.088743][ T8851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 467.088756][ T8851] Call Trace:
[ 467.088765][ T8851]
[ 467.088774][ T8851] dump_stack_lvl+0xe8/0x150
[ 467.088805][ T8851] gfs2_withdraw+0xc3/0x1b0
[ 467.088845][ T8851] gfs2_jdesc_check+0x17d/0x2f0
[ 467.088867][ T8851] check_journal_clean+0x158/0x310
[ 467.088897][ T8851] ? __pfx_check_journal_clean+0x10/0x10
[ 467.088926][ T8851] ? init_journal+0x19a3/0x2170
[ 467.088958][ T8851] ? do_raw_spin_unlock+0x122/0x240
[ 467.088979][ T8851] ? _raw_spin_unlock+0x28/0x50
[ 467.089006][ T8851] ? gfs2_jdesc_find+0xab/0xc0
[ 467.089027][ T8851] init_journal+0x19a3/0x2170
[ 467.089062][ T8851] ? init_inodes+0xdb/0x320
[ 467.089089][ T8851] ? vsnprintf+0x38b/0xee0
[ 467.089115][ T8851] ? __pfx_init_journal+0x10/0x10
[ 467.089145][ T8851] ? vsnprintf+0xdf1/0xee0
[ 467.089182][ T8851] ? snprintf+0xda/0x120
[ 467.089211][ T8851] ? init_inodes+0xdb/0x320
[ 467.089239][ T8851] ? __pfx_snprintf+0x10/0x10
[ 467.089265][ T8851] ? gfs2_glock_nq_num+0x13d/0x170
[ 467.089287][ T8851] init_inodes+0xdb/0x320
[ 467.089317][ T8851] gfs2_fill_super+0x1a08/0x21b0
[ 467.089357][ T8851] ? __pfx_gfs2_fill_super+0x10/0x10
[ 467.089387][ T8851] ? init_locking+0xb8/0x210
[ 467.089413][ T8851] ? sb_set_blocksize+0x155/0x240
[ 467.089441][ T8851] ? setup_bdev_super+0x4c1/0x5b0
[ 467.089472][ T8851] get_tree_bdev_flags+0x40e/0x4d0
[ 467.089501][ T8851] ? __pfx_gfs2_fill_super+0x10/0x10
[ 467.089531][ T8851] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 467.089555][ T8851] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 467.089597][ T8851] gfs2_get_tree+0x51/0x1e0
[ 467.089628][ T8851] vfs_get_tree+0x92/0x2a0
[ 467.089657][ T8851] do_new_mount+0x31a/0xcf0
[ 467.089677][ T8851] ? apparmor_capable+0x137/0x1a0
[ 467.089711][ T8851] ? __pfx_do_new_mount+0x10/0x10
[ 467.089731][ T8851] ? ns_capable+0x8a/0xf0
[ 467.089759][ T8851] ? user_path_at+0xd4/0x160
[ 467.089789][ T8851] ? user_path_at+0xd4/0x160
[ 467.089822][ T8851] __se_sys_mount+0x313/0x410
[ 467.089850][ T8851] ? __pfx___se_sys_mount+0x10/0x10
[ 467.089873][ T8851] ? __x64_sys_mount+0x20/0xc0
[ 467.089892][ T8851] do_syscall_64+0xec/0xf80
[ 467.089913][ T8851] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 467.089931][ T8851] ? trace_irq_disable+0x37/0x100
[ 467.089947][ T8851] ? clear_bhb_loop+0x40/0x90
[ 467.089970][ T8851] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 467.089987][ T8851] RIP: 0033:0x7f626e19076a
[ 467.090004][ T8851] 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
[ 467.090021][ T8851] RSP: 002b:00007f626f0d0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 467.090043][ T8851] RAX: ffffffffffffffda RBX: 00007f626f0d0ef0 RCX: 00007f626e19076a
[ 467.090057][ T8851] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f626f0d0eb0
[ 467.090071][ T8851] RBP: 0000200000000400 R08: 00007f626f0d0ef0 R09: 0000000000200001
[ 467.090084][ T8851] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 467.090097][ T8851] R13: 00007f626f0d0eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 467.090128][ T8851]
[ 467.090137][ T8851] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 467.160638][ T8854] loop2: detected capacity change from 0 to 32768
[ 467.544986][ T8854] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 467.616909][ T8854] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 467.647398][ 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
[ 467.686881][ 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
[ 467.706207][ T8854] gfs2: fsid=syz:syz.s: H: s:SH f:eEcH e:0 p:8854 [syz.2.578] init_journal+0x19a3/0x2170
[ 467.749624][ T8854] gfs2: fsid=syz:syz.s: I: n:1/19 t:8 f:0x00 d:0x00000200 s:0 p:0
[ 467.778761][ T8854] CPU: 0 UID: 0 PID: 8854 Comm: syz.2.578 Not tainted syzkaller #0 PREEMPT(full)
[ 467.778789][ T8854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 467.778803][ T8854] Call Trace:
[ 467.778811][ T8854]
[ 467.778821][ T8854] dump_stack_lvl+0xe8/0x150
[ 467.778853][ T8854] gfs2_withdraw+0xc3/0x1b0
[ 467.778885][ T8854] gfs2_jdesc_check+0x17d/0x2f0
[ 467.778911][ T8854] check_journal_clean+0x158/0x310
[ 467.778943][ T8854] ? __pfx_check_journal_clean+0x10/0x10
[ 467.778975][ T8854] ? init_journal+0x19a3/0x2170
[ 467.779013][ T8854] ? do_raw_spin_unlock+0x122/0x240
[ 467.779037][ T8854] ? _raw_spin_unlock+0x28/0x50
[ 467.779066][ T8854] ? gfs2_jdesc_find+0xab/0xc0
[ 467.779089][ T8854] init_journal+0x19a3/0x2170
[ 467.779128][ T8854] ? init_inodes+0xdb/0x320
[ 467.779158][ T8854] ? vsnprintf+0x38b/0xee0
[ 467.779186][ T8854] ? __pfx_init_journal+0x10/0x10
[ 467.779216][ T8854] ? vsnprintf+0xdf1/0xee0
[ 467.779253][ T8854] ? snprintf+0xda/0x120
[ 467.779281][ T8854] ? init_inodes+0xdb/0x320
[ 467.779310][ T8854] ? __pfx_snprintf+0x10/0x10
[ 467.779338][ T8854] ? gfs2_glock_nq_num+0x13d/0x170
[ 467.779361][ T8854] init_inodes+0xdb/0x320
[ 467.779393][ T8854] gfs2_fill_super+0x1a08/0x21b0
[ 467.779436][ T8854] ? __pfx_gfs2_fill_super+0x10/0x10
[ 467.779469][ T8854] ? init_locking+0xb8/0x210
[ 467.779496][ T8854] ? sb_set_blocksize+0x155/0x240
[ 467.779524][ T8854] ? setup_bdev_super+0x4c1/0x5b0
[ 467.779555][ T8854] get_tree_bdev_flags+0x40e/0x4d0
[ 467.779586][ T8854] ? __pfx_gfs2_fill_super+0x10/0x10
[ 467.779616][ T8854] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 467.779642][ T8854] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 467.779684][ T8854] gfs2_get_tree+0x51/0x1e0
[ 467.779716][ T8854] vfs_get_tree+0x92/0x2a0
[ 467.779744][ T8854] do_new_mount+0x31a/0xcf0
[ 467.779763][ T8854] ? apparmor_capable+0x137/0x1a0
[ 467.779798][ T8854] ? __pfx_do_new_mount+0x10/0x10
[ 467.779818][ T8854] ? ns_capable+0x8a/0xf0
[ 467.779846][ T8854] ? user_path_at+0xd4/0x160
[ 467.779875][ T8854] ? user_path_at+0xd4/0x160
[ 467.779901][ T8854] __se_sys_mount+0x313/0x410
[ 467.779929][ T8854] ? __pfx___se_sys_mount+0x10/0x10
[ 467.779956][ T8854] ? __x64_sys_mount+0x20/0xc0
[ 467.779979][ T8854] do_syscall_64+0xec/0xf80
[ 467.780001][ T8854] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 467.780020][ T8854] ? trace_irq_disable+0x37/0x100
[ 467.780039][ T8854] ? clear_bhb_loop+0x40/0x90
[ 467.780064][ T8854] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 467.780084][ T8854] RIP: 0033:0x7f2d4a79076a
[ 467.780103][ 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
[ 467.780121][ T8854] RSP: 002b:00007f2d4b6a4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 467.780144][ T8854] RAX: ffffffffffffffda RBX: 00007f2d4b6a4ef0 RCX: 00007f2d4a79076a
[ 467.780159][ T8854] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f2d4b6a4eb0
[ 467.780174][ T8854] RBP: 0000200000000400 R08: 00007f2d4b6a4ef0 R09: 0000000000200001
[ 467.780189][ T8854] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 467.780202][ T8854] R13: 00007f2d4b6a4eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 467.780234][ T8854]
[ 467.781053][ T8854] gfs2: fsid=syz:syz.s: Error checking journal for spectator mount.
[ 468.108571][ T8860] loop0: detected capacity change from 0 to 32768
[ 468.172330][ T8860] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 468.179957][ T8860] CPU: 0 UID: 0 PID: 8860 Comm: syz.0.579 Not tainted syzkaller #0 PREEMPT(full)
[ 468.179984][ T8860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 468.179998][ T8860] Call Trace:
[ 468.180007][ T8860]
[ 468.180015][ T8860] dump_stack_lvl+0xe8/0x150
[ 468.180047][ T8860] sysfs_create_dir_ns+0x259/0x280
[ 468.180080][ T8860] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 468.180112][ T8860] ? do_raw_spin_unlock+0x122/0x240
[ 468.180137][ T8860] kobject_add_internal+0x6ab/0xcc0
[ 468.180172][ T8860] kobject_init_and_add+0x125/0x190
[ 468.180202][ T8860] ? __pfx_kobject_init_and_add+0x10/0x10
[ 468.180228][ T8860] ? __raw_spin_lock_init+0x45/0x100
[ 468.180250][ T8860] ? __init_swait_queue_head+0xa9/0x150
[ 468.180285][ T8860] gfs2_sys_fs_add+0x234/0x450
[ 468.180308][ T8860] ? is_dynamic_key+0x1ac/0x1c0
[ 468.180334][ T8860] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 468.180367][ T8860] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 468.180410][ T8860] gfs2_fill_super+0x1388/0x21b0
[ 468.180456][ T8860] ? __pfx_gfs2_fill_super+0x10/0x10
[ 468.180490][ T8860] ? sb_set_blocksize+0x155/0x240
[ 468.180517][ T8860] ? setup_bdev_super+0x4c1/0x5b0
[ 468.180548][ T8860] get_tree_bdev_flags+0x40e/0x4d0
[ 468.180575][ T8860] ? __pfx_gfs2_fill_super+0x10/0x10
[ 468.180605][ T8860] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 468.180631][ T8860] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 468.180672][ T8860] gfs2_get_tree+0x51/0x1e0
[ 468.180706][ T8860] vfs_get_tree+0x92/0x2a0
[ 468.180736][ T8860] do_new_mount+0x31a/0xcf0
[ 468.180755][ T8860] ? apparmor_capable+0x137/0x1a0
[ 468.180790][ T8860] ? __pfx_do_new_mount+0x10/0x10
[ 468.180810][ T8860] ? ns_capable+0x8a/0xf0
[ 468.180836][ T8860] ? user_path_at+0xd4/0x160
[ 468.180864][ T8860] ? user_path_at+0xd4/0x160
[ 468.180890][ T8860] __se_sys_mount+0x313/0x410
[ 468.180918][ T8860] ? __pfx___se_sys_mount+0x10/0x10
[ 468.180945][ T8860] ? __x64_sys_mount+0x20/0xc0
[ 468.180968][ T8860] do_syscall_64+0xec/0xf80
[ 468.180988][ T8860] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 468.181008][ T8860] ? trace_irq_disable+0x37/0x100
[ 468.181027][ T8860] ? clear_bhb_loop+0x40/0x90
[ 468.181051][ T8860] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 468.181072][ T8860] RIP: 0033:0x7f343cf9076a
[ 468.181090][ T8860] 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
[ 468.181109][ T8860] RSP: 002b:00007f343dd69e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 468.181131][ T8860] RAX: ffffffffffffffda RBX: 00007f343dd69ef0 RCX: 00007f343cf9076a
[ 468.181147][ T8860] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f343dd69eb0
[ 468.181161][ T8860] RBP: 0000200000000400 R08: 00007f343dd69ef0 R09: 0000000000200001
[ 468.181176][ T8860] R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500
[ 468.181190][ T8860] R13: 00007f343dd69eb0 R14: 00000000000125d5 R15: 0000200000000240
[ 468.181221][ T8860]
[ 468.181248][ T8860] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 468.388476][ T8866] loop4: detected capacity change from 0 to 32768
[ 468.416801][ T8860] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 468.549628][ T8866] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 468.608620][ T8866] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...