3b/0x140
[  326.706781][ T6566]  ? clear_bhb_loop+0x40/0x90
[  326.706807][ T6566]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.706826][ T6566] RIP: 0033:0x7fc3dac1e0ca
[  326.706849][ T6566] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  326.706868][ T6566] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.706891][ T6566] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  326.706906][ T6566] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  326.706921][ T6566] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  326.706934][ T6566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  326.706948][ T6566] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  326.706980][ T6566]  </TASK>
[  326.707064][ T6566] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.707080][ T6566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  327.306410][ T6569] loop1: detected capacity change from 0 to 32768
[  327.327229][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  327.327254][ T6569] CPU: 0 UID: 0 PID: 6569 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  327.327279][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  327.327292][ T6569] Call Trace:
[  327.327300][ T6569]  <TASK>
[  327.327311][ T6569]  dump_stack_lvl+0xe8/0x150
[  327.327357][ T6569]  sysfs_create_dir_ns+0x271/0x2a0
[  327.327387][ T6569]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  327.327416][ T6569]  ? rt_spin_unlock+0x163/0x200
[  327.327448][ T6569]  kobject_add_internal+0x62c/0xce0
[  327.327480][ T6569]  kobject_init_and_add+0x12b/0x1a0
[  327.327499][ T6569]  ? __pfx_kobject_init_and_add+0x10/0x10
[  327.327517][ T6569]  ? __raw_spin_lock_init+0x45/0x100
[  327.327534][ T6569]  ? __init_swait_queue_head+0xa8/0x150
[  327.327555][ T6569]  gfs2_sys_fs_add+0x257/0x480
[  327.327570][ T6569]  ? is_dynamic_key+0x1aa/0x1c0
[  327.327587][ T6569]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  327.327608][ T6569]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  327.327632][ T6569]  gfs2_fill_super+0x1368/0x20f0
[  327.327652][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.327663][ T6569]  ? rt_spin_unlock+0x157/0x200
[  327.327682][ T6569]  ? sb_set_blocksize+0x11b/0x210
[  327.327699][ T6569]  ? setup_bdev_super+0x4c1/0x5b0
[  327.327718][ T6569]  get_tree_bdev_flags+0x430/0x4f0
[  327.327752][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.327764][ T6569]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  327.327787][ T6569]  gfs2_get_tree+0x51/0x1e0
[  327.327802][ T6569]  vfs_get_tree+0x92/0x2a0
[  327.327819][ T6569]  do_new_mount+0x319/0xdc0
[  327.327840][ T6569]  ? __pfx_do_new_mount+0x10/0x10
[  327.327855][ T6569]  ? ns_capable+0x89/0xe0
[  327.327869][ T6569]  ? path_mount+0x647/0x1040
[  327.327885][ T6569]  ? user_path_at+0xd4/0x160
[  327.327902][ T6569]  __se_sys_mount+0x31d/0x420
[  327.327919][ T6569]  ? __pfx___se_sys_mount+0x10/0x10
[  327.327937][ T6569]  ? __x64_sys_mount+0x20/0xc0
[  327.327951][ T6569]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.327963][ T6569]  do_syscall_64+0x174/0x580
[  327.327976][ T6569]  ? trace_irq_disable+0x3b/0x140
[  327.327992][ T6569]  ? clear_bhb_loop+0x40/0x90
[  327.328006][ T6569]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.328018][ T6569] RIP: 0033:0x7fc3dac1e0ca
[  327.328031][ T6569] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  327.328041][ T6569] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.328056][ T6569] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  327.328064][ T6569] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  327.328072][ T6569] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  327.328080][ T6569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  327.328088][ T6569] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  327.328107][ T6569]  </TASK>
[  327.328140][ T6569] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  327.328149][ T6569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  328.107695][ T6572] loop1: detected capacity change from 0 to 32768
[  328.117677][ T6572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  328.117702][ T6572] CPU: 1 UID: 0 PID: 6572 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  328.117726][ T6572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  328.117739][ T6572] Call Trace:
[  328.117746][ T6572]  <TASK>
[  328.117755][ T6572]  dump_stack_lvl+0xe8/0x150
[  328.117789][ T6572]  sysfs_create_dir_ns+0x271/0x2a0
[  328.117818][ T6572]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  328.117847][ T6572]  ? rt_spin_unlock+0x163/0x200
[  328.117882][ T6572]  kobject_add_internal+0x62c/0xce0
[  328.117918][ T6572]  kobject_init_and_add+0x12b/0x1a0
[  328.117952][ T6572]  ? __pfx_kobject_init_and_add+0x10/0x10
[  328.117985][ T6572]  ? __raw_spin_lock_init+0x45/0x100
[  328.118016][ T6572]  ? __init_swait_queue_head+0xa8/0x150
[  328.118052][ T6572]  gfs2_sys_fs_add+0x257/0x480
[  328.118079][ T6572]  ? is_dynamic_key+0x1aa/0x1c0
[  328.118111][ T6572]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  328.118150][ T6572]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  328.118194][ T6572]  gfs2_fill_super+0x1368/0x20f0
[  328.118231][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  328.118252][ T6572]  ? rt_spin_unlock+0x157/0x200
[  328.118287][ T6572]  ? sb_set_blocksize+0x11b/0x210
[  328.118320][ T6572]  ? setup_bdev_super+0x4c1/0x5b0
[  328.118363][ T6572]  get_tree_bdev_flags+0x430/0x4f0
[  328.118396][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  328.118418][ T6572]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  328.118461][ T6572]  gfs2_get_tree+0x51/0x1e0
[  328.118486][ T6572]  vfs_get_tree+0x92/0x2a0
[  328.118519][ T6572]  do_new_mount+0x319/0xdc0
[  328.118550][ T6572]  ? __pfx_do_new_mount+0x10/0x10
[  328.118579][ T6572]  ? ns_capable+0x89/0xe0
[  328.118604][ T6572]  ? path_mount+0x647/0x1040
[  328.118633][ T6572]  ? user_path_at+0xd4/0x160
[  328.118664][ T6572]  __se_sys_mount+0x31d/0x420
[  328.118697][ T6572]  ? __pfx___se_sys_mount+0x10/0x10
[  328.118731][ T6572]  ? __x64_sys_mount+0x20/0xc0
[  328.118755][ T6572]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.118779][ T6572]  do_syscall_64+0x174/0x580
[  328.118802][ T6572]  ? trace_irq_disable+0x3b/0x140
[  328.118833][ T6572]  ? clear_bhb_loop+0x40/0x90
[  328.118859][ T6572]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.118880][ T6572] RIP: 0033:0x7fc3dac1e0ca
[  328.118901][ T6572] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  328.118920][ T6572] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  328.118944][ T6572] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  328.118961][ T6572] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  328.118976][ T6572] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  328.118991][ T6572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  328.119005][ T6572] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  328.119039][ T6572]  </TASK>
[  328.132544][ T6572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  328.132566][ T6572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  328.713258][ T6575] loop1: detected capacity change from 0 to 32768
[  328.719913][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  328.719937][ T6575] CPU: 1 UID: 0 PID: 6575 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  328.719962][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  328.719979][ T6575] Call Trace:
[  328.719987][ T6575]  <TASK>
[  328.719997][ T6575]  dump_stack_lvl+0xe8/0x150
[  328.720032][ T6575]  sysfs_create_dir_ns+0x271/0x2a0
[  328.720062][ T6575]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  328.720094][ T6575]  ? rt_spin_unlock+0x163/0x200
[  328.720129][ T6575]  kobject_add_internal+0x62c/0xce0
[  328.720167][ T6575]  kobject_init_and_add+0x12b/0x1a0
[  328.720202][ T6575]  ? __pfx_kobject_init_and_add+0x10/0x10
[  328.720235][ T6575]  ? __raw_spin_lock_init+0x45/0x100
[  328.720276][ T6575]  ? __init_swait_queue_head+0xa8/0x150
[  328.720307][ T6575]  gfs2_sys_fs_add+0x257/0x480
[  328.720334][ T6575]  ? is_dynamic_key+0x1aa/0x1c0
[  328.720365][ T6575]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  328.720404][ T6575]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  328.720449][ T6575]  gfs2_fill_super+0x1368/0x20f0
[  328.720485][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  328.720506][ T6575]  ? rt_spin_unlock+0x157/0x200
[  328.720541][ T6575]  ? sb_set_blocksize+0x11b/0x210
[  328.720574][ T6575]  ? setup_bdev_super+0x4c1/0x5b0
[  328.720610][ T6575]  get_tree_bdev_flags+0x430/0x4f0
[  328.720642][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  328.720665][ T6575]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  328.720709][ T6575]  gfs2_get_tree+0x51/0x1e0
[  328.720735][ T6575]  vfs_get_tree+0x92/0x2a0
[  328.720767][ T6575]  do_new_mount+0x319/0xdc0
[  328.720799][ T6575]  ? __pfx_do_new_mount+0x10/0x10
[  328.720828][ T6575]  ? ns_capable+0x89/0xe0
[  328.720853][ T6575]  ? path_mount+0x647/0x1040
[  328.720882][ T6575]  ? user_path_at+0xd4/0x160
[  328.720914][ T6575]  __se_sys_mount+0x31d/0x420
[  328.720945][ T6575]  ? __pfx___se_sys_mount+0x10/0x10
[  328.720979][ T6575]  ? __x64_sys_mount+0x20/0xc0
[  328.721004][ T6575]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.721028][ T6575]  do_syscall_64+0x174/0x580
[  328.721052][ T6575]  ? trace_irq_disable+0x3b/0x140
[  328.721082][ T6575]  ? clear_bhb_loop+0x40/0x90
[  328.721107][ T6575]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.721126][ T6575] RIP: 0033:0x7fc3dac1e0ca
[  328.721146][ T6575] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  328.721164][ T6575] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  328.721226][ T6575] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  328.721242][ T6575] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  328.721264][ T6575] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  328.721278][ T6575] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  328.721292][ T6575] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  328.721327][ T6575]  </TASK>
[  328.788399][ T6575] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  328.788422][ T6575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  329.369938][ T6578] loop1: detected capacity change from 0 to 32768
[  329.399709][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  329.399735][ T6578] CPU: 0 UID: 0 PID: 6578 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  329.399760][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  329.399772][ T6578] Call Trace:
[  329.399780][ T6578]  <TASK>
[  329.399790][ T6578]  dump_stack_lvl+0xe8/0x150
[  329.399835][ T6578]  sysfs_create_dir_ns+0x271/0x2a0
[  329.399864][ T6578]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  329.399895][ T6578]  ? rt_spin_unlock+0x163/0x200
[  329.399929][ T6578]  kobject_add_internal+0x62c/0xce0
[  329.399966][ T6578]  kobject_init_and_add+0x12b/0x1a0
[  329.400001][ T6578]  ? __pfx_kobject_init_and_add+0x10/0x10
[  329.400035][ T6578]  ? __raw_spin_lock_init+0x45/0x100
[  329.400066][ T6578]  ? __init_swait_queue_head+0xa8/0x150
[  329.400097][ T6578]  gfs2_sys_fs_add+0x257/0x480
[  329.400125][ T6578]  ? is_dynamic_key+0x1aa/0x1c0
[  329.400157][ T6578]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  329.400195][ T6578]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  329.400240][ T6578]  gfs2_fill_super+0x1368/0x20f0
[  329.400275][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  329.400296][ T6578]  ? rt_spin_unlock+0x157/0x200
[  329.400330][ T6578]  ? sb_set_blocksize+0x11b/0x210
[  329.400361][ T6578]  ? setup_bdev_super+0x4c1/0x5b0
[  329.400396][ T6578]  get_tree_bdev_flags+0x430/0x4f0
[  329.400429][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  329.400452][ T6578]  ? __pfx_get_tree_bdev_flags+0x10/0x10
2026/06/27 15:39:00 executed programs: 182
[  329.400495][ T6578]  gfs2_get_tree+0x51/0x1e0
[  329.400522][ T6578]  vfs_get_tree+0x92/0x2a0
[  329.400556][ T6578]  do_new_mount+0x319/0xdc0
[  329.400590][ T6578]  ? __pfx_do_new_mount+0x10/0x10
[  329.400618][ T6578]  ? ns_capable+0x89/0xe0
[  329.400643][ T6578]  ? path_mount+0x647/0x1040
[  329.400676][ T6578]  ? user_path_at+0xd4/0x160
[  329.400708][ T6578]  __se_sys_mount+0x31d/0x420
[  329.400739][ T6578]  ? __pfx___se_sys_mount+0x10/0x10
[  329.400773][ T6578]  ? __x64_sys_mount+0x20/0xc0
[  329.400798][ T6578]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  329.400822][ T6578]  do_syscall_64+0x174/0x580
[  329.400854][ T6578]  ? trace_irq_disable+0x3b/0x140
[  329.400886][ T6578]  ? clear_bhb_loop+0x40/0x90
[  329.400912][ T6578]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  329.400934][ T6578] RIP: 0033:0x7fc3dac1e0ca
[  329.400955][ T6578] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  329.400974][ T6578] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  329.400998][ T6578] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  329.401015][ T6578] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  329.401028][ T6578] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  329.401042][ T6578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  329.401056][ T6578] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  329.401090][ T6578]  </TASK>
[  329.404270][ T6578] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.404291][ T6578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.033567][ T6581] loop1: detected capacity change from 0 to 32768
[  330.054910][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.054935][ T6581] CPU: 0 UID: 0 PID: 6581 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  330.054960][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  330.054971][ T6581] Call Trace:
[  330.054980][ T6581]  <TASK>
[  330.054989][ T6581]  dump_stack_lvl+0xe8/0x150
[  330.055023][ T6581]  sysfs_create_dir_ns+0x271/0x2a0
[  330.055054][ T6581]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  330.055086][ T6581]  ? rt_spin_unlock+0x163/0x200
[  330.055121][ T6581]  kobject_add_internal+0x62c/0xce0
[  330.055158][ T6581]  kobject_init_and_add+0x12b/0x1a0
[  330.055193][ T6581]  ? __pfx_kobject_init_and_add+0x10/0x10
[  330.055226][ T6581]  ? __raw_spin_lock_init+0x45/0x100
[  330.055258][ T6581]  ? __init_swait_queue_head+0xa8/0x150
[  330.055288][ T6581]  gfs2_sys_fs_add+0x257/0x480
[  330.055316][ T6581]  ? is_dynamic_key+0x1aa/0x1c0
[  330.055357][ T6581]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  330.055394][ T6581]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  330.055442][ T6581]  gfs2_fill_super+0x1368/0x20f0
[  330.055478][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.055498][ T6581]  ? rt_spin_unlock+0x157/0x200
[  330.055530][ T6581]  ? sb_set_blocksize+0x11b/0x210
[  330.055563][ T6581]  ? setup_bdev_super+0x4c1/0x5b0
[  330.055596][ T6581]  get_tree_bdev_flags+0x430/0x4f0
[  330.055629][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.055651][ T6581]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  330.055694][ T6581]  gfs2_get_tree+0x51/0x1e0
[  330.055721][ T6581]  vfs_get_tree+0x92/0x2a0
[  330.055755][ T6581]  do_new_mount+0x319/0xdc0
[  330.055787][ T6581]  ? __pfx_do_new_mount+0x10/0x10
[  330.055815][ T6581]  ? ns_capable+0x89/0xe0
[  330.055839][ T6581]  ? path_mount+0x647/0x1040
[  330.055869][ T6581]  ? user_path_at+0xd4/0x160
[  330.055901][ T6581]  __se_sys_mount+0x31d/0x420
[  330.055934][ T6581]  ? __pfx___se_sys_mount+0x10/0x10
[  330.055967][ T6581]  ? __x64_sys_mount+0x20/0xc0
[  330.055992][ T6581]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.056015][ T6581]  do_syscall_64+0x174/0x580
[  330.056038][ T6581]  ? trace_irq_disable+0x3b/0x140
[  330.056067][ T6581]  ? clear_bhb_loop+0x40/0x90
[  330.056093][ T6581]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.056114][ T6581] RIP: 0033:0x7fc3dac1e0ca
[  330.056135][ T6581] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  330.056152][ T6581] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.056177][ T6581] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  330.056193][ T6581] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  330.056208][ T6581] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  330.056222][ T6581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  330.056235][ T6581] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  330.056270][ T6581]  </TASK>
[  330.058097][ T6581] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  330.058120][ T6581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.667827][ T6584] loop1: detected capacity change from 0 to 32768
[  330.689701][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.689727][ T6584] CPU: 0 UID: 0 PID: 6584 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  330.689765][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  330.689779][ T6584] Call Trace:
[  330.689787][ T6584]  <TASK>
[  330.689797][ T6584]  dump_stack_lvl+0xe8/0x150
[  330.689831][ T6584]  sysfs_create_dir_ns+0x271/0x2a0
[  330.689860][ T6584]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  330.689890][ T6584]  ? rt_spin_unlock+0x163/0x200
[  330.689925][ T6584]  kobject_add_internal+0x62c/0xce0
[  330.689962][ T6584]  kobject_init_and_add+0x12b/0x1a0
[  330.689997][ T6584]  ? __pfx_kobject_init_and_add+0x10/0x10
[  330.690026][ T6584]  ? __raw_spin_lock_init+0x45/0x100
[  330.690055][ T6584]  ? __init_swait_queue_head+0xa8/0x150
[  330.690085][ T6584]  gfs2_sys_fs_add+0x257/0x480
[  330.690113][ T6584]  ? is_dynamic_key+0x1aa/0x1c0
[  330.690144][ T6584]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  330.690182][ T6584]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  330.690225][ T6584]  gfs2_fill_super+0x1368/0x20f0
[  330.690258][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.690278][ T6584]  ? rt_spin_unlock+0x157/0x200
[  330.690311][ T6584]  ? sb_set_blocksize+0x11b/0x210
[  330.690341][ T6584]  ? setup_bdev_super+0x4c1/0x5b0
[  330.690375][ T6584]  get_tree_bdev_flags+0x430/0x4f0
[  330.690407][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.690428][ T6584]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  330.690469][ T6584]  gfs2_get_tree+0x51/0x1e0
[  330.690496][ T6584]  vfs_get_tree+0x92/0x2a0
[  330.690528][ T6584]  do_new_mount+0x319/0xdc0
[  330.690560][ T6584]  ? __pfx_do_new_mount+0x10/0x10
[  330.690588][ T6584]  ? ns_capable+0x89/0xe0
[  330.690612][ T6584]  ? path_mount+0x647/0x1040
[  330.690640][ T6584]  ? user_path_at+0xd4/0x160
[  330.690672][ T6584]  __se_sys_mount+0x31d/0x420
[  330.690704][ T6584]  ? __pfx___se_sys_mount+0x10/0x10
[  330.690736][ T6584]  ? __x64_sys_mount+0x20/0xc0
[  330.690769][ T6584]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.690791][ T6584]  do_syscall_64+0x174/0x580
[  330.690815][ T6584]  ? trace_irq_disable+0x3b/0x140
[  330.690845][ T6584]  ? clear_bhb_loop+0x40/0x90
[  330.690871][ T6584]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.690892][ T6584] RIP: 0033:0x7fc3dac1e0ca
[  330.690913][ T6584] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  330.690932][ T6584] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.690958][ T6584] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  330.690973][ T6584] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  330.690987][ T6584] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  330.691002][ T6584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  330.691016][ T6584] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  330.691050][ T6584]  </TASK>
[  330.691158][ T6584] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  330.691177][ T6584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  331.291152][ T6587] loop1: detected capacity change from 0 to 32768
[  331.306214][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  331.306238][ T6587] CPU: 1 UID: 0 PID: 6587 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  331.306263][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  331.306286][ T6587] Call Trace:
[  331.306294][ T6587]  <TASK>
[  331.306303][ T6587]  dump_stack_lvl+0xe8/0x150
[  331.306338][ T6587]  sysfs_create_dir_ns+0x271/0x2a0
[  331.306367][ T6587]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  331.306397][ T6587]  ? rt_spin_unlock+0x163/0x200
[  331.306431][ T6587]  kobject_add_internal+0x62c/0xce0
[  331.306467][ T6587]  kobject_init_and_add+0x12b/0x1a0
[  331.306503][ T6587]  ? __pfx_kobject_init_and_add+0x10/0x10
[  331.306536][ T6587]  ? __raw_spin_lock_init+0x45/0x100
[  331.306564][ T6587]  ? __init_swait_queue_head+0xa8/0x150
[  331.306593][ T6587]  gfs2_sys_fs_add+0x257/0x480
[  331.306621][ T6587]  ? is_dynamic_key+0x1aa/0x1c0
[  331.306652][ T6587]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  331.306686][ T6587]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  331.306726][ T6587]  gfs2_fill_super+0x1368/0x20f0
[  331.306759][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.306777][ T6587]  ? rt_spin_unlock+0x157/0x200
[  331.306809][ T6587]  ? sb_set_blocksize+0x11b/0x210
[  331.306841][ T6587]  ? setup_bdev_super+0x4c1/0x5b0
[  331.306875][ T6587]  get_tree_bdev_flags+0x430/0x4f0
[  331.306904][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.306925][ T6587]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  331.306966][ T6587]  gfs2_get_tree+0x51/0x1e0
[  331.306989][ T6587]  vfs_get_tree+0x92/0x2a0
[  331.307020][ T6587]  do_new_mount+0x319/0xdc0
[  331.307050][ T6587]  ? __pfx_do_new_mount+0x10/0x10
[  331.307077][ T6587]  ? ns_capable+0x89/0xe0
[  331.307100][ T6587]  ? path_mount+0x647/0x1040
[  331.307134][ T6587]  ? user_path_at+0xd4/0x160
[  331.307163][ T6587]  __se_sys_mount+0x31d/0x420
[  331.307194][ T6587]  ? __pfx___se_sys_mount+0x10/0x10
[  331.307226][ T6587]  ? __x64_sys_mount+0x20/0xc0
[  331.307249][ T6587]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.307284][ T6587]  do_syscall_64+0x174/0x580
[  331.307313][ T6587]  ? trace_irq_disable+0x3b/0x140
[  331.307343][ T6587]  ? clear_bhb_loop+0x40/0x90
[  331.307368][ T6587]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.307389][ T6587] RIP: 0033:0x7fc3dac1e0ca
[  331.307410][ T6587] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  331.307428][ T6587] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.307452][ T6587] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  331.307468][ T6587] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  331.307481][ T6587] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  331.307495][ T6587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  331.307509][ T6587] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  331.307541][ T6587]  </TASK>
[  331.309910][ T6587] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.309933][ T6587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  331.902573][ T6590] loop1: detected capacity change from 0 to 32768
[  331.905959][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  331.905983][ T6590] CPU: 0 UID: 0 PID: 6590 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  331.906008][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  331.906020][ T6590] Call Trace:
[  331.906029][ T6590]  <TASK>
[  331.906038][ T6590]  dump_stack_lvl+0xe8/0x150
[  331.906072][ T6590]  sysfs_create_dir_ns+0x271/0x2a0
[  331.906102][ T6590]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  331.906130][ T6590]  ? rt_spin_unlock+0x163/0x200
[  331.906165][ T6590]  kobject_add_internal+0x62c/0xce0
[  331.906202][ T6590]  kobject_init_and_add+0x12b/0x1a0
[  331.906235][ T6590]  ? __pfx_kobject_init_and_add+0x10/0x10
[  331.906265][ T6590]  ? __raw_spin_lock_init+0x45/0x100
[  331.906294][ T6590]  ? __init_swait_queue_head+0xa8/0x150
[  331.906323][ T6590]  gfs2_sys_fs_add+0x257/0x480
[  331.906348][ T6590]  ? is_dynamic_key+0x1aa/0x1c0
[  331.906380][ T6590]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  331.906421][ T6590]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  331.906463][ T6590]  gfs2_fill_super+0x1368/0x20f0
[  331.906498][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.906518][ T6590]  ? rt_spin_unlock+0x157/0x200
[  331.906552][ T6590]  ? sb_set_blocksize+0x11b/0x210
[  331.906585][ T6590]  ? setup_bdev_super+0x4c1/0x5b0
[  331.906619][ T6590]  get_tree_bdev_flags+0x430/0x4f0
[  331.906649][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.906670][ T6590]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  331.906720][ T6590]  gfs2_get_tree+0x51/0x1e0
[  331.906747][ T6590]  vfs_get_tree+0x92/0x2a0
[  331.906779][ T6590]  do_new_mount+0x319/0xdc0
[  331.906811][ T6590]  ? __pfx_do_new_mount+0x10/0x10
[  331.906840][ T6590]  ? ns_capable+0x89/0xe0
[  331.906865][ T6590]  ? path_mount+0x647/0x1040
[  331.906894][ T6590]  ? user_path_at+0xd4/0x160
[  331.906926][ T6590]  __se_sys_mount+0x31d/0x420
[  331.906959][ T6590]  ? __pfx___se_sys_mount+0x10/0x10
[  331.906992][ T6590]  ? __x64_sys_mount+0x20/0xc0
[  331.907017][ T6590]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.907041][ T6590]  do_syscall_64+0x174/0x580
[  331.907063][ T6590]  ? trace_irq_disable+0x3b/0x140
[  331.907094][ T6590]  ? clear_bhb_loop+0x40/0x90
[  331.907120][ T6590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.907140][ T6590] RIP: 0033:0x7fc3dac1e0ca
[  331.907161][ T6590] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  331.907179][ T6590] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.907202][ T6590] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  331.907217][ T6590] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  331.907231][ T6590] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  331.907245][ T6590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  331.907257][ T6590] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  331.907292][ T6590]  </TASK>
[  331.907348][ T6590] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.907365][ T6590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  332.554301][ T6593] loop1: detected capacity change from 0 to 32768
[  332.558482][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  332.558507][ T6593] CPU: 1 UID: 0 PID: 6593 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  332.558533][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  332.558545][ T6593] Call Trace:
[  332.558554][ T6593]  <TASK>
[  332.558564][ T6593]  dump_stack_lvl+0xe8/0x150
[  332.558598][ T6593]  sysfs_create_dir_ns+0x271/0x2a0
[  332.558628][ T6593]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  332.558659][ T6593]  ? rt_spin_unlock+0x163/0x200
[  332.558692][ T6593]  kobject_add_internal+0x62c/0xce0
[  332.558728][ T6593]  kobject_init_and_add+0x12b/0x1a0
[  332.558764][ T6593]  ? __pfx_kobject_init_and_add+0x10/0x10
[  332.558796][ T6593]  ? __raw_spin_lock_init+0x45/0x100
[  332.558827][ T6593]  ? __init_swait_queue_head+0xa8/0x150
[  332.558857][ T6593]  gfs2_sys_fs_add+0x257/0x480
[  332.558889][ T6593]  ? is_dynamic_key+0x1aa/0x1c0
[  332.558920][ T6593]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  332.558958][ T6593]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  332.558998][ T6593]  gfs2_fill_super+0x1368/0x20f0
[  332.559035][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  332.559055][ T6593]  ? rt_spin_unlock+0x157/0x200
[  332.559089][ T6593]  ? sb_set_blocksize+0x11b/0x210
[  332.559120][ T6593]  ? setup_bdev_super+0x4c1/0x5b0
[  332.559152][ T6593]  get_tree_bdev_flags+0x430/0x4f0
[  332.559180][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  332.559201][ T6593]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  332.559250][ T6593]  gfs2_get_tree+0x51/0x1e0
[  332.559274][ T6593]  vfs_get_tree+0x92/0x2a0
[  332.559307][ T6593]  do_new_mount+0x319/0xdc0
[  332.559340][ T6593]  ? __pfx_do_new_mount+0x10/0x10
[  332.559368][ T6593]  ? ns_capable+0x89/0xe0
[  332.559394][ T6593]  ? path_mount+0x647/0x1040
[  332.559423][ T6593]  ? user_path_at+0xd4/0x160
[  332.559455][ T6593]  __se_sys_mount+0x31d/0x420
[  332.559488][ T6593]  ? __pfx___se_sys_mount+0x10/0x10
[  332.559521][ T6593]  ? __x64_sys_mount+0x20/0xc0
[  332.559547][ T6593]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.559569][ T6593]  do_syscall_64+0x174/0x580
[  332.559590][ T6593]  ? trace_irq_disable+0x3b/0x140
[  332.559619][ T6593]  ? clear_bhb_loop+0x40/0x90
[  332.559643][ T6593]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.559663][ T6593] RIP: 0033:0x7fc3dac1e0ca
[  332.559683][ T6593] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  332.559700][ T6593] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  332.559724][ T6593] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  332.559739][ T6593] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  332.559755][ T6593] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  332.559770][ T6593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  332.559785][ T6593] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  332.559820][ T6593]  </TASK>
[  332.582299][ T6593] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.582321][ T6593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.195581][ T6596] loop1: detected capacity change from 0 to 32768
[  333.206915][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.206939][ T6596] CPU: 1 UID: 0 PID: 6596 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  333.206965][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  333.206978][ T6596] Call Trace:
[  333.206986][ T6596]  <TASK>
[  333.206995][ T6596]  dump_stack_lvl+0xe8/0x150
[  333.207029][ T6596]  sysfs_create_dir_ns+0x271/0x2a0
[  333.207059][ T6596]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  333.207090][ T6596]  ? rt_spin_unlock+0x163/0x200
[  333.207125][ T6596]  kobject_add_internal+0x62c/0xce0
[  333.207162][ T6596]  kobject_init_and_add+0x12b/0x1a0
[  333.207197][ T6596]  ? __pfx_kobject_init_and_add+0x10/0x10
[  333.207230][ T6596]  ? __raw_spin_lock_init+0x45/0x100
[  333.207261][ T6596]  ? __init_swait_queue_head+0xa8/0x150
[  333.207292][ T6596]  gfs2_sys_fs_add+0x257/0x480
[  333.207319][ T6596]  ? is_dynamic_key+0x1aa/0x1c0
[  333.207350][ T6596]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  333.207391][ T6596]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  333.207435][ T6596]  gfs2_fill_super+0x1368/0x20f0
[  333.207471][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.207492][ T6596]  ? rt_spin_unlock+0x157/0x200
[  333.207525][ T6596]  ? sb_set_blocksize+0x11b/0x210
[  333.207556][ T6596]  ? setup_bdev_super+0x4c1/0x5b0
[  333.207590][ T6596]  get_tree_bdev_flags+0x430/0x4f0
[  333.207622][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.207644][ T6596]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  333.207708][ T6596]  gfs2_get_tree+0x51/0x1e0
[  333.207734][ T6596]  vfs_get_tree+0x92/0x2a0
[  333.207766][ T6596]  do_new_mount+0x319/0xdc0
[  333.207798][ T6596]  ? __pfx_do_new_mount+0x10/0x10
[  333.207827][ T6596]  ? ns_capable+0x89/0xe0
[  333.207861][ T6596]  ? path_mount+0x647/0x1040
[  333.207891][ T6596]  ? user_path_at+0xd4/0x160
[  333.207923][ T6596]  __se_sys_mount+0x31d/0x420
[  333.207954][ T6596]  ? __pfx___se_sys_mount+0x10/0x10
[  333.207987][ T6596]  ? __x64_sys_mount+0x20/0xc0
[  333.208010][ T6596]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.208034][ T6596]  do_syscall_64+0x174/0x580
[  333.208058][ T6596]  ? trace_irq_disable+0x3b/0x140
[  333.208088][ T6596]  ? clear_bhb_loop+0x40/0x90
[  333.208114][ T6596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.208134][ T6596] RIP: 0033:0x7fc3dac1e0ca
[  333.208155][ T6596] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  333.208174][ T6596] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.208198][ T6596] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  333.208214][ T6596] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  333.208228][ T6596] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  333.208243][ T6596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  333.208257][ T6596] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  333.208290][ T6596]  </TASK>
[  333.208387][ T6596] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.208405][ T6596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.852107][ T6599] loop1: detected capacity change from 0 to 32768
[  333.866351][ T6599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.866368][ T6599] CPU: 0 UID: 0 PID: 6599 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  333.866383][ T6599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  333.866391][ T6599] Call Trace:
[  333.866396][ T6599]  <TASK>
[  333.866401][ T6599]  dump_stack_lvl+0xe8/0x150
[  333.866422][ T6599]  sysfs_create_dir_ns+0x271/0x2a0
[  333.866439][ T6599]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  333.866456][ T6599]  ? rt_spin_unlock+0x163/0x200
[  333.866474][ T6599]  kobject_add_internal+0x62c/0xce0
[  333.866495][ T6599]  kobject_init_and_add+0x12b/0x1a0
[  333.866513][ T6599]  ? __pfx_kobject_init_and_add+0x10/0x10
[  333.866531][ T6599]  ? __raw_spin_lock_init+0x45/0x100
[  333.866547][ T6599]  ? __init_swait_queue_head+0xa8/0x150
[  333.866564][ T6599]  gfs2_sys_fs_add+0x257/0x480
[  333.866579][ T6599]  ? is_dynamic_key+0x1aa/0x1c0
[  333.866596][ T6599]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  333.866616][ T6599]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  333.866639][ T6599]  gfs2_fill_super+0x1368/0x20f0
[  333.866659][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.866670][ T6599]  ? rt_spin_unlock+0x157/0x200
[  333.866705][ T6599]  ? sb_set_blocksize+0x11b/0x210
[  333.866723][ T6599]  ? setup_bdev_super+0x4c1/0x5b0
[  333.866741][ T6599]  get_tree_bdev_flags+0x430/0x4f0
[  333.866759][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.866771][ T6599]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  333.866794][ T6599]  gfs2_get_tree+0x51/0x1e0
[  333.866808][ T6599]  vfs_get_tree+0x92/0x2a0
[  333.866826][ T6599]  do_new_mount+0x319/0xdc0
[  333.866843][ T6599]  ? __pfx_do_new_mount+0x10/0x10
[  333.866858][ T6599]  ? ns_capable+0x89/0xe0
[  333.866872][ T6599]  ? path_mount+0x647/0x1040
[  333.866888][ T6599]  ? user_path_at+0xd4/0x160
[  333.866905][ T6599]  __se_sys_mount+0x31d/0x420
[  333.866922][ T6599]  ? __pfx___se_sys_mount+0x10/0x10
[  333.866940][ T6599]  ? __x64_sys_mount+0x20/0xc0
[  333.866953][ T6599]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.866966][ T6599]  do_syscall_64+0x174/0x580
[  333.866979][ T6599]  ? trace_irq_disable+0x3b/0x140
[  333.866996][ T6599]  ? clear_bhb_loop+0x40/0x90
[  333.867010][ T6599]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.867021][ T6599] RIP: 0033:0x7fc3dac1e0ca
[  333.867033][ T6599] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  333.867044][ T6599] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.867058][ T6599] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  333.867067][ T6599] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  333.867075][ T6599] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  333.867083][ T6599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  333.867091][ T6599] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  333.867109][ T6599]  </TASK>
[  333.867127][ T6599] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.867137][ T6599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  334.455452][ T6602] loop1: detected capacity change from 0 to 32768
[  334.469478][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  334.469502][ T6602] CPU: 0 UID: 0 PID: 6602 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  334.469524][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  334.469534][ T6602] Call Trace:
[  334.469542][ T6602]  <TASK>
[  334.469550][ T6602]  dump_stack_lvl+0xe8/0x150
[  334.469583][ T6602]  sysfs_create_dir_ns+0x271/0x2a0
[  334.469611][ T6602]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  334.469640][ T6602]  ? rt_spin_unlock+0x163/0x200
[  334.469674][ T6602]  kobject_add_internal+0x62c/0xce0
[  334.469709][ T6602]  kobject_init_and_add+0x12b/0x1a0
[  334.469741][ T6602]  ? __pfx_kobject_init_and_add+0x10/0x10
[  334.469770][ T6602]  ? __raw_spin_lock_init+0x45/0x100
[  334.469796][ T6602]  ? __init_swait_queue_head+0xa8/0x150
[  334.469823][ T6602]  gfs2_sys_fs_add+0x257/0x480
[  334.469847][ T6602]  ? is_dynamic_key+0x1aa/0x1c0
[  334.469878][ T6602]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  334.469912][ T6602]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  334.469955][ T6602]  gfs2_fill_super+0x1368/0x20f0
[  334.469986][ T6602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.470004][ T6602]  ? rt_spin_unlock+0x157/0x200
[  334.470037][ T6602]  ? sb_set_blocksize+0x11b/0x210
[  334.470067][ T6602]  ? setup_bdev_super+0x4c1/0x5b0
[  334.470098][ T6602]  get_tree_bdev_flags+0x430/0x4f0
[  334.470128][ T6602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.470151][ T6602]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  334.470192][ T6602]  gfs2_get_tree+0x51/0x1e0
[  334.470217][ T6602]  vfs_get_tree+0x92/0x2a0
[  334.470248][ T6602]  do_new_mount+0x319/0xdc0
[  334.470279][ T6602]  ? __pfx_do_new_mount+0x10/0x10
[  334.470315][ T6602]  ? ns_capable+0x89/0xe0
[  334.470341][ T6602]  ? path_mount+0x647/0x1040
[  334.470370][ T6602]  ? user_path_at+0xd4/0x160
[  334.470401][ T6602]  __se_sys_mount+0x31d/0x420
[  334.470434][ T6602]  ? __pfx___se_sys_mount+0x10/0x10
[  334.470468][ T6602]  ? __x64_sys_mount+0x20/0xc0
[  334.470493][ T6602]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.470517][ T6602]  do_syscall_64+0x174/0x580
[  334.470541][ T6602]  ? trace_irq_disable+0x3b/0x140
[  334.470571][ T6602]  ? clear_bhb_loop+0x40/0x90
[  334.470598][ T6602]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.470617][ T6602] RIP: 0033:0x7fc3dac1e0ca
[  334.470638][ T6602] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  334.470656][ T6602] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  334.470685][ T6602] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  334.470700][ T6602] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  334.470715][ T6602] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  334.470730][ T6602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  334.470744][ T6602] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  334.470778][ T6602]  </TASK>
[  334.471036][ T6602] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.471055][ T6602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  334.772168][ T5781] Bluetooth: hci1: command 0x0406 tx timeout
[  335.131392][ T6605] loop1: detected capacity change from 0 to 32768
[  335.135306][ T6605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.135329][ T6605] CPU: 0 UID: 0 PID: 6605 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  335.135354][ T6605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  335.135366][ T6605] Call Trace:
[  335.135375][ T6605]  <TASK>
[  335.135384][ T6605]  dump_stack_lvl+0xe8/0x150
2026/06/27 15:39:06 executed programs: 191
[  335.135419][ T6605]  sysfs_create_dir_ns+0x271/0x2a0
[  335.135449][ T6605]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  335.135479][ T6605]  ? rt_spin_unlock+0x163/0x200
[  335.135514][ T6605]  kobject_add_internal+0x62c/0xce0
[  335.135550][ T6605]  kobject_init_and_add+0x12b/0x1a0
[  335.135586][ T6605]  ? __pfx_kobject_init_and_add+0x10/0x10
[  335.135618][ T6605]  ? __raw_spin_lock_init+0x45/0x100
[  335.135648][ T6605]  ? __init_swait_queue_head+0xa8/0x150
[  335.135679][ T6605]  gfs2_sys_fs_add+0x257/0x480
[  335.135705][ T6605]  ? is_dynamic_key+0x1aa/0x1c0
[  335.135735][ T6605]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  335.135773][ T6605]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  335.135813][ T6605]  gfs2_fill_super+0x1368/0x20f0
[  335.135858][ T6605]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.135877][ T6605]  ? rt_spin_unlock+0x157/0x200
[  335.135910][ T6605]  ? sb_set_blocksize+0x11b/0x210
[  335.135939][ T6605]  ? setup_bdev_super+0x4c1/0x5b0
[  335.135974][ T6605]  get_tree_bdev_flags+0x430/0x4f0
[  335.136005][ T6605]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.136028][ T6605]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  335.136069][ T6605]  gfs2_get_tree+0x51/0x1e0
[  335.136095][ T6605]  vfs_get_tree+0x92/0x2a0
[  335.136130][ T6605]  do_new_mount+0x319/0xdc0
[  335.136162][ T6605]  ? __pfx_do_new_mount+0x10/0x10
[  335.136189][ T6605]  ? ns_capable+0x89/0xe0
[  335.136213][ T6605]  ? path_mount+0x647/0x1040
[  335.136241][ T6605]  ? user_path_at+0xd4/0x160
[  335.136272][ T6605]  __se_sys_mount+0x31d/0x420
[  335.136304][ T6605]  ? __pfx___se_sys_mount+0x10/0x10
[  335.136334][ T6605]  ? __x64_sys_mount+0x20/0xc0
[  335.136358][ T6605]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.136381][ T6605]  do_syscall_64+0x174/0x580
[  335.136403][ T6605]  ? trace_irq_disable+0x3b/0x140
[  335.136432][ T6605]  ? clear_bhb_loop+0x40/0x90
[  335.136457][ T6605]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.136483][ T6605] RIP: 0033:0x7fc3dac1e0ca
[  335.136503][ T6605] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  335.136521][ T6605] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.136545][ T6605] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  335.136562][ T6605] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  335.136577][ T6605] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  335.136591][ T6605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  335.136603][ T6605] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  335.136636][ T6605]  </TASK>
[  335.136727][ T6605] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.136745][ T6605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.758455][ T6608] loop1: detected capacity change from 0 to 32768
[  335.770903][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.770928][ T6608] CPU: 0 UID: 0 PID: 6608 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  335.770954][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  335.770967][ T6608] Call Trace:
[  335.770975][ T6608]  <TASK>
[  335.770984][ T6608]  dump_stack_lvl+0xe8/0x150
[  335.771020][ T6608]  sysfs_create_dir_ns+0x271/0x2a0
[  335.771050][ T6608]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  335.771082][ T6608]  ? rt_spin_unlock+0x163/0x200
[  335.771116][ T6608]  kobject_add_internal+0x62c/0xce0
[  335.771153][ T6608]  kobject_init_and_add+0x12b/0x1a0
[  335.771189][ T6608]  ? __pfx_kobject_init_and_add+0x10/0x10
[  335.771221][ T6608]  ? __raw_spin_lock_init+0x45/0x100
[  335.771252][ T6608]  ? __init_swait_queue_head+0xa8/0x150
[  335.771282][ T6608]  gfs2_sys_fs_add+0x257/0x480
[  335.771309][ T6608]  ? is_dynamic_key+0x1aa/0x1c0
[  335.771338][ T6608]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  335.771374][ T6608]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  335.771417][ T6608]  gfs2_fill_super+0x1368/0x20f0
[  335.771453][ T6608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.771473][ T6608]  ? rt_spin_unlock+0x157/0x200
[  335.771510][ T6608]  ? sb_set_blocksize+0x11b/0x210
[  335.771539][ T6608]  ? setup_bdev_super+0x4c1/0x5b0
[  335.771571][ T6608]  get_tree_bdev_flags+0x430/0x4f0
[  335.771602][ T6608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.771624][ T6608]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  335.771664][ T6608]  gfs2_get_tree+0x51/0x1e0
[  335.771690][ T6608]  vfs_get_tree+0x92/0x2a0
[  335.771722][ T6608]  do_new_mount+0x319/0xdc0
[  335.771754][ T6608]  ? __pfx_do_new_mount+0x10/0x10
[  335.771782][ T6608]  ? ns_capable+0x89/0xe0
[  335.771807][ T6608]  ? path_mount+0x647/0x1040
[  335.771846][ T6608]  ? user_path_at+0xd4/0x160
[  335.771877][ T6608]  __se_sys_mount+0x31d/0x420
[  335.771910][ T6608]  ? __pfx___se_sys_mount+0x10/0x10
[  335.771940][ T6608]  ? __x64_sys_mount+0x20/0xc0
[  335.771964][ T6608]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.771987][ T6608]  do_syscall_64+0x174/0x580
[  335.772009][ T6608]  ? trace_irq_disable+0x3b/0x140
[  335.772038][ T6608]  ? clear_bhb_loop+0x40/0x90
[  335.772063][ T6608]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.772081][ T6608] RIP: 0033:0x7fc3dac1e0ca
[  335.772102][ T6608] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  335.772121][ T6608] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.772145][ T6608] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  335.772161][ T6608] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  335.772176][ T6608] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  335.772190][ T6608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  335.772204][ T6608] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  335.772237][ T6608]  </TASK>
[  335.773005][ T6608] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.773026][ T6608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.551628][ T6611] loop1: detected capacity change from 0 to 32768
[  336.559043][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.559068][ T6611] CPU: 1 UID: 0 PID: 6611 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  336.559093][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  336.559109][ T6611] Call Trace:
[  336.559117][ T6611]  <TASK>
[  336.559125][ T6611]  dump_stack_lvl+0xe8/0x150
[  336.559159][ T6611]  sysfs_create_dir_ns+0x271/0x2a0
[  336.559189][ T6611]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  336.559228][ T6611]  ? rt_spin_unlock+0x163/0x200
[  336.559263][ T6611]  kobject_add_internal+0x62c/0xce0
[  336.559300][ T6611]  kobject_init_and_add+0x12b/0x1a0
[  336.559337][ T6611]  ? __pfx_kobject_init_and_add+0x10/0x10
[  336.559368][ T6611]  ? __raw_spin_lock_init+0x45/0x100
[  336.559399][ T6611]  ? __init_swait_queue_head+0xa8/0x150
[  336.559430][ T6611]  gfs2_sys_fs_add+0x257/0x480
[  336.559458][ T6611]  ? is_dynamic_key+0x1aa/0x1c0
[  336.559491][ T6611]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  336.559528][ T6611]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  336.559572][ T6611]  gfs2_fill_super+0x1368/0x20f0
[  336.559610][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.559631][ T6611]  ? rt_spin_unlock+0x157/0x200
[  336.559667][ T6611]  ? sb_set_blocksize+0x11b/0x210
[  336.559699][ T6611]  ? setup_bdev_super+0x4c1/0x5b0
[  336.559734][ T6611]  get_tree_bdev_flags+0x430/0x4f0
[  336.559766][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.559788][ T6611]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  336.559831][ T6611]  gfs2_get_tree+0x51/0x1e0
[  336.559857][ T6611]  vfs_get_tree+0x92/0x2a0
[  336.559889][ T6611]  do_new_mount+0x319/0xdc0
[  336.559921][ T6611]  ? __pfx_do_new_mount+0x10/0x10
[  336.559948][ T6611]  ? ns_capable+0x89/0xe0
[  336.559973][ T6611]  ? path_mount+0x647/0x1040
[  336.560002][ T6611]  ? user_path_at+0xd4/0x160
[  336.560031][ T6611]  __se_sys_mount+0x31d/0x420
[  336.560064][ T6611]  ? __pfx___se_sys_mount+0x10/0x10
[  336.560096][ T6611]  ? __x64_sys_mount+0x20/0xc0
[  336.560122][ T6611]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.560145][ T6611]  do_syscall_64+0x174/0x580
[  336.560169][ T6611]  ? trace_irq_disable+0x3b/0x140
[  336.560207][ T6611]  ? clear_bhb_loop+0x40/0x90
[  336.560234][ T6611]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.560256][ T6611] RIP: 0033:0x7fc3dac1e0ca
[  336.560277][ T6611] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  336.560295][ T6611] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.560319][ T6611] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  336.560335][ T6611] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  336.560351][ T6611] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  336.560365][ T6611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  336.560379][ T6611] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  336.560414][ T6611]  </TASK>
[  336.579264][ T6611] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.579287][ T6611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.180396][ T6614] loop1: detected capacity change from 0 to 32768
[  337.204763][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.204783][ T6614] CPU: 1 UID: 0 PID: 6614 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  337.204799][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  337.204807][ T6614] Call Trace:
[  337.204812][ T6614]  <TASK>
[  337.204817][ T6614]  dump_stack_lvl+0xe8/0x150
[  337.204847][ T6614]  sysfs_create_dir_ns+0x271/0x2a0
[  337.204875][ T6614]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  337.204894][ T6614]  ? rt_spin_unlock+0x163/0x200
[  337.204914][ T6614]  kobject_add_internal+0x62c/0xce0
[  337.204934][ T6614]  kobject_init_and_add+0x12b/0x1a0
[  337.204953][ T6614]  ? __pfx_kobject_init_and_add+0x10/0x10
[  337.204970][ T6614]  ? __raw_spin_lock_init+0x45/0x100
[  337.204987][ T6614]  ? __init_swait_queue_head+0xa8/0x150
[  337.205004][ T6614]  gfs2_sys_fs_add+0x257/0x480
[  337.205019][ T6614]  ? is_dynamic_key+0x1aa/0x1c0
[  337.205036][ T6614]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  337.205056][ T6614]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  337.205079][ T6614]  gfs2_fill_super+0x1368/0x20f0
[  337.205099][ T6614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.205121][ T6614]  ? rt_spin_unlock+0x157/0x200
[  337.205153][ T6614]  ? sb_set_blocksize+0x11b/0x210
[  337.205181][ T6614]  ? setup_bdev_super+0x4c1/0x5b0
[  337.205216][ T6614]  get_tree_bdev_flags+0x430/0x4f0
[  337.205245][ T6614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.205267][ T6614]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  337.205318][ T6614]  gfs2_get_tree+0x51/0x1e0
[  337.205344][ T6614]  vfs_get_tree+0x92/0x2a0
[  337.205376][ T6614]  do_new_mount+0x319/0xdc0
[  337.205409][ T6614]  ? __pfx_do_new_mount+0x10/0x10
[  337.205437][ T6614]  ? ns_capable+0x89/0xe0
[  337.205462][ T6614]  ? path_mount+0x647/0x1040
[  337.205491][ T6614]  ? user_path_at+0xd4/0x160
[  337.205523][ T6614]  __se_sys_mount+0x31d/0x420
[  337.205552][ T6614]  ? __pfx___se_sys_mount+0x10/0x10
[  337.205584][ T6614]  ? __x64_sys_mount+0x20/0xc0
[  337.205608][ T6614]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.205630][ T6614]  do_syscall_64+0x174/0x580
[  337.205653][ T6614]  ? trace_irq_disable+0x3b/0x140
[  337.205682][ T6614]  ? clear_bhb_loop+0x40/0x90
[  337.205705][ T6614]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.205724][ T6614] RIP: 0033:0x7fc3dac1e0ca
[  337.205745][ T6614] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  337.205764][ T6614] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.205789][ T6614] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  337.205805][ T6614] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  337.205821][ T6614] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  337.205836][ T6614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  337.205850][ T6614] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  337.205883][ T6614]  </TASK>
[  337.208445][ T6614] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.208949][ T6614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.892840][ T6617] loop1: detected capacity change from 0 to 32768
[  337.907540][ T6617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.907564][ T6617] CPU: 1 UID: 0 PID: 6617 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  337.907590][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  337.907603][ T6617] Call Trace:
[  337.907612][ T6617]  <TASK>
[  337.907621][ T6617]  dump_stack_lvl+0xe8/0x150
[  337.907681][ T6617]  sysfs_create_dir_ns+0x271/0x2a0
[  337.907712][ T6617]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  337.907742][ T6617]  ? rt_spin_unlock+0x163/0x200
[  337.907778][ T6617]  kobject_add_internal+0x62c/0xce0
[  337.907824][ T6617]  kobject_init_and_add+0x12b/0x1a0
[  337.907859][ T6617]  ? __pfx_kobject_init_and_add+0x10/0x10
[  337.907889][ T6617]  ? __raw_spin_lock_init+0x45/0x100
[  337.907919][ T6617]  ? __init_swait_queue_head+0xa8/0x150
[  337.907949][ T6617]  gfs2_sys_fs_add+0x257/0x480
[  337.907978][ T6617]  ? is_dynamic_key+0x1aa/0x1c0
[  337.908010][ T6617]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  337.908049][ T6617]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  337.908093][ T6617]  gfs2_fill_super+0x1368/0x20f0
[  337.908130][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.908150][ T6617]  ? rt_spin_unlock+0x157/0x200
[  337.908185][ T6617]  ? sb_set_blocksize+0x11b/0x210
[  337.908217][ T6617]  ? setup_bdev_super+0x4c1/0x5b0
[  337.908251][ T6617]  get_tree_bdev_flags+0x430/0x4f0
[  337.908280][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.908301][ T6617]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  337.908342][ T6617]  gfs2_get_tree+0x51/0x1e0
[  337.908370][ T6617]  vfs_get_tree+0x92/0x2a0
[  337.908404][ T6617]  do_new_mount+0x319/0xdc0
[  337.908437][ T6617]  ? __pfx_do_new_mount+0x10/0x10
[  337.908464][ T6617]  ? ns_capable+0x89/0xe0
[  337.908489][ T6617]  ? path_mount+0x647/0x1040
[  337.908519][ T6617]  ? user_path_at+0xd4/0x160
[  337.908551][ T6617]  __se_sys_mount+0x31d/0x420
[  337.908584][ T6617]  ? __pfx___se_sys_mount+0x10/0x10
[  337.908617][ T6617]  ? __x64_sys_mount+0x20/0xc0
[  337.908643][ T6617]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.908667][ T6617]  do_syscall_64+0x174/0x580
[  337.908691][ T6617]  ? trace_irq_disable+0x3b/0x140
[  337.908722][ T6617]  ? clear_bhb_loop+0x40/0x90
[  337.908748][ T6617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.908770][ T6617] RIP: 0033:0x7fc3dac1e0ca
[  337.908790][ T6617] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  337.908821][ T6617] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.908844][ T6617] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  337.908860][ T6617] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  337.908875][ T6617] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  337.908889][ T6617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  337.908903][ T6617] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  337.908938][ T6617]  </TASK>
[  337.917741][ T6617] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.917763][ T6617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.595816][ T6620] loop1: detected capacity change from 0 to 32768
[  338.602973][ T6620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.602996][ T6620] CPU: 0 UID: 0 PID: 6620 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  338.603021][ T6620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  338.603033][ T6620] Call Trace:
[  338.603042][ T6620]  <TASK>
[  338.603050][ T6620]  dump_stack_lvl+0xe8/0x150
[  338.603083][ T6620]  sysfs_create_dir_ns+0x271/0x2a0
[  338.603111][ T6620]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  338.603138][ T6620]  ? rt_spin_unlock+0x163/0x200
[  338.603180][ T6620]  kobject_add_internal+0x62c/0xce0
[  338.603218][ T6620]  kobject_init_and_add+0x12b/0x1a0
[  338.603250][ T6620]  ? __pfx_kobject_init_and_add+0x10/0x10
[  338.603277][ T6620]  ? __raw_spin_lock_init+0x45/0x100
[  338.603303][ T6620]  ? __init_swait_queue_head+0xa8/0x150
[  338.603333][ T6620]  gfs2_sys_fs_add+0x257/0x480
[  338.603359][ T6620]  ? is_dynamic_key+0x1aa/0x1c0
[  338.603387][ T6620]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  338.603423][ T6620]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  338.603461][ T6620]  gfs2_fill_super+0x1368/0x20f0
[  338.603496][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.603516][ T6620]  ? rt_spin_unlock+0x157/0x200
[  338.603549][ T6620]  ? sb_set_blocksize+0x11b/0x210
[  338.603579][ T6620]  ? setup_bdev_super+0x4c1/0x5b0
[  338.603612][ T6620]  get_tree_bdev_flags+0x430/0x4f0
[  338.603643][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.603665][ T6620]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  338.603703][ T6620]  gfs2_get_tree+0x51/0x1e0
[  338.603727][ T6620]  vfs_get_tree+0x92/0x2a0
[  338.603756][ T6620]  do_new_mount+0x319/0xdc0
[  338.603785][ T6620]  ? __pfx_do_new_mount+0x10/0x10
[  338.603812][ T6620]  ? ns_capable+0x89/0xe0
[  338.603836][ T6620]  ? path_mount+0x647/0x1040
[  338.603865][ T6620]  ? user_path_at+0xd4/0x160
[  338.603896][ T6620]  __se_sys_mount+0x31d/0x420
[  338.603928][ T6620]  ? __pfx___se_sys_mount+0x10/0x10
[  338.603960][ T6620]  ? __x64_sys_mount+0x20/0xc0
[  338.603984][ T6620]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.604007][ T6620]  do_syscall_64+0x174/0x580
[  338.604030][ T6620]  ? trace_irq_disable+0x3b/0x140
[  338.604059][ T6620]  ? clear_bhb_loop+0x40/0x90
[  338.604084][ T6620]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.604105][ T6620] RIP: 0033:0x7fc3dac1e0ca
[  338.604126][ T6620] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  338.604151][ T6620] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.604188][ T6620] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  338.604204][ T6620] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  338.604218][ T6620] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  338.604233][ T6620] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  338.604247][ T6620] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  338.604279][ T6620]  </TASK>
[  338.673352][ T6620] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.673375][ T6620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.231054][ T6623] loop1: detected capacity change from 0 to 32768
[  339.241438][ T6623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.241460][ T6623] CPU: 1 UID: 0 PID: 6623 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  339.241482][ T6623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  339.241493][ T6623] Call Trace:
[  339.241501][ T6623]  <TASK>
[  339.241509][ T6623]  dump_stack_lvl+0xe8/0x150
[  339.241539][ T6623]  sysfs_create_dir_ns+0x271/0x2a0
[  339.241567][ T6623]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  339.241596][ T6623]  ? rt_spin_unlock+0x163/0x200
[  339.241626][ T6623]  kobject_add_internal+0x62c/0xce0
[  339.241658][ T6623]  kobject_init_and_add+0x12b/0x1a0
[  339.241688][ T6623]  ? __pfx_kobject_init_and_add+0x10/0x10
[  339.241715][ T6623]  ? __raw_spin_lock_init+0x45/0x100
[  339.241741][ T6623]  ? __init_swait_queue_head+0xa8/0x150
[  339.241767][ T6623]  gfs2_sys_fs_add+0x257/0x480
[  339.241791][ T6623]  ? is_dynamic_key+0x1aa/0x1c0
[  339.241818][ T6623]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  339.241850][ T6623]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  339.241887][ T6623]  gfs2_fill_super+0x1368/0x20f0
[  339.241919][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.241943][ T6623]  ? sb_set_blocksize+0x11b/0x210
[  339.241971][ T6623]  ? setup_bdev_super+0x4c1/0x5b0
[  339.242001][ T6623]  get_tree_bdev_flags+0x430/0x4f0
[  339.242028][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.242048][ T6623]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  339.242084][ T6623]  gfs2_get_tree+0x51/0x1e0
[  339.242107][ T6623]  vfs_get_tree+0x92/0x2a0
[  339.242135][ T6623]  do_new_mount+0x319/0xdc0
[  339.242163][ T6623]  ? __pfx_do_new_mount+0x10/0x10
[  339.242195][ T6623]  ? ns_capable+0x89/0xe0
[  339.242217][ T6623]  ? path_mount+0x647/0x1040
[  339.242241][ T6623]  ? user_path_at+0xd4/0x160
[  339.242272][ T6623]  __se_sys_mount+0x31d/0x420
[  339.242300][ T6623]  ? __pfx___se_sys_mount+0x10/0x10
[  339.242328][ T6623]  ? __x64_sys_mount+0x20/0xc0
[  339.242350][ T6623]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.242370][ T6623]  do_syscall_64+0x174/0x580
[  339.242391][ T6623]  ? trace_irq_disable+0x3b/0x140
[  339.242417][ T6623]  ? clear_bhb_loop+0x40/0x90
[  339.242440][ T6623]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.242457][ T6623] RIP: 0033:0x7fc3dac1e0ca
[  339.242476][ T6623] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  339.242492][ T6623] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.242513][ T6623] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  339.242527][ T6623] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  339.242541][ T6623] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  339.242554][ T6623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  339.242566][ T6623] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  339.242596][ T6623]  </TASK>
[  339.248470][ T6623] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.248491][ T6623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.880307][ T6626] loop1: detected capacity change from 0 to 32768
[  339.887442][ T6626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.887465][ T6626] CPU: 0 UID: 0 PID: 6626 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  339.887490][ T6626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  339.887502][ T6626] Call Trace:
[  339.887510][ T6626]  <TASK>
[  339.887520][ T6626]  dump_stack_lvl+0xe8/0x150
[  339.887553][ T6626]  sysfs_create_dir_ns+0x271/0x2a0
[  339.887582][ T6626]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  339.887631][ T6626]  ? rt_spin_unlock+0x163/0x200
[  339.887663][ T6626]  kobject_add_internal+0x62c/0xce0
[  339.887700][ T6626]  kobject_init_and_add+0x12b/0x1a0
[  339.887733][ T6626]  ? __pfx_kobject_init_and_add+0x10/0x10
[  339.887761][ T6626]  ? __raw_spin_lock_init+0x45/0x100
[  339.887787][ T6626]  ? __init_swait_queue_head+0xa8/0x150
[  339.887816][ T6626]  gfs2_sys_fs_add+0x257/0x480
[  339.887842][ T6626]  ? is_dynamic_key+0x1aa/0x1c0
[  339.887871][ T6626]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  339.887905][ T6626]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  339.887947][ T6626]  gfs2_fill_super+0x1368/0x20f0
[  339.887980][ T6626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.887999][ T6626]  ? rt_spin_unlock+0x157/0x200
[  339.888032][ T6626]  ? sb_set_blocksize+0x11b/0x210
[  339.888063][ T6626]  ? setup_bdev_super+0x4c1/0x5b0
[  339.888093][ T6626]  get_tree_bdev_flags+0x430/0x4f0
[  339.888124][ T6626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.888146][ T6626]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  339.888186][ T6626]  gfs2_get_tree+0x51/0x1e0
[  339.888210][ T6626]  vfs_get_tree+0x92/0x2a0
[  339.888240][ T6626]  do_new_mount+0x319/0xdc0
[  339.888278][ T6626]  ? __pfx_do_new_mount+0x10/0x10
[  339.888305][ T6626]  ? ns_capable+0x89/0xe0
[  339.888330][ T6626]  ? path_mount+0x647/0x1040
[  339.888358][ T6626]  ? user_path_at+0xd4/0x160
[  339.888389][ T6626]  __se_sys_mount+0x31d/0x420
[  339.888421][ T6626]  ? __pfx___se_sys_mount+0x10/0x10
[  339.888454][ T6626]  ? __x64_sys_mount+0x20/0xc0
[  339.888477][ T6626]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.888500][ T6626]  do_syscall_64+0x174/0x580
[  339.888522][ T6626]  ? trace_irq_disable+0x3b/0x140
[  339.888551][ T6626]  ? clear_bhb_loop+0x40/0x90
[  339.888581][ T6626]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.888601][ T6626] RIP: 0033:0x7fc3dac1e0ca
[  339.888622][ T6626] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  339.888640][ T6626] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.888665][ T6626] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  339.888681][ T6626] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  339.888696][ T6626] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  339.888711][ T6626] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  339.888725][ T6626] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  339.888758][ T6626]  </TASK>
[  339.920179][ T6626] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.920200][ T6626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  340.550266][ T6629] loop1: detected capacity change from 0 to 32768
[  340.556255][ T6629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  340.556271][ T6629] CPU: 0 UID: 0 PID: 6629 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  340.556286][ T6629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  340.556293][ T6629] Call Trace:
[  340.556299][ T6629]  <TASK>
[  340.556304][ T6629]  dump_stack_lvl+0xe8/0x150
[  340.556325][ T6629]  sysfs_create_dir_ns+0x271/0x2a0
[  340.556342][ T6629]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  340.556359][ T6629]  ? rt_spin_unlock+0x163/0x200
[  340.556378][ T6629]  kobject_add_internal+0x62c/0xce0
[  340.556398][ T6629]  kobject_init_and_add+0x12b/0x1a0
[  340.556417][ T6629]  ? __pfx_kobject_init_and_add+0x10/0x10
[  340.556434][ T6629]  ? __raw_spin_lock_init+0x45/0x100
[  340.556452][ T6629]  ? __init_swait_queue_head+0xa8/0x150
[  340.556468][ T6629]  gfs2_sys_fs_add+0x257/0x480
[  340.556484][ T6629]  ? is_dynamic_key+0x1aa/0x1c0
[  340.556500][ T6629]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  340.556520][ T6629]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  340.556543][ T6629]  gfs2_fill_super+0x1368/0x20f0
[  340.556563][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  340.556574][ T6629]  ? rt_spin_unlock+0x157/0x200
[  340.556592][ T6629]  ? sb_set_blocksize+0x11b/0x210
2026/06/27 15:39:11 executed programs: 199
[  340.556610][ T6629]  ? setup_bdev_super+0x4c1/0x5b0
[  340.556629][ T6629]  get_tree_bdev_flags+0x430/0x4f0
[  340.556646][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  340.556658][ T6629]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  340.556689][ T6629]  gfs2_get_tree+0x51/0x1e0
[  340.556709][ T6629]  vfs_get_tree+0x92/0x2a0
[  340.556739][ T6629]  do_new_mount+0x319/0xdc0
[  340.556763][ T6629]  ? __pfx_do_new_mount+0x10/0x10
[  340.556778][ T6629]  ? ns_capable+0x89/0xe0
[  340.556792][ T6629]  ? path_mount+0x647/0x1040
[  340.556808][ T6629]  ? user_path_at+0xd4/0x160
[  340.556824][ T6629]  __se_sys_mount+0x31d/0x420
[  340.556842][ T6629]  ? __pfx___se_sys_mount+0x10/0x10
[  340.556860][ T6629]  ? __x64_sys_mount+0x20/0xc0
[  340.556873][ T6629]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.556886][ T6629]  do_syscall_64+0x174/0x580
[  340.556899][ T6629]  ? trace_irq_disable+0x3b/0x140
[  340.556915][ T6629]  ? clear_bhb_loop+0x40/0x90
[  340.556930][ T6629]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.556941][ T6629] RIP: 0033:0x7fc3dac1e0ca
[  340.556954][ T6629] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  340.556964][ T6629] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  340.556978][ T6629] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  340.556988][ T6629] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  340.556996][ T6629] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  340.557004][ T6629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  340.557011][ T6629] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  340.557029][ T6629]  </TASK>
[  340.557047][ T6629] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  340.557056][ T6629] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.183591][ T6632] loop1: detected capacity change from 0 to 32768
[  341.198478][ T6632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.198502][ T6632] CPU: 0 UID: 0 PID: 6632 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  341.198528][ T6632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  341.198541][ T6632] Call Trace:
[  341.198550][ T6632]  <TASK>
[  341.198559][ T6632]  dump_stack_lvl+0xe8/0x150
[  341.198594][ T6632]  sysfs_create_dir_ns+0x271/0x2a0
[  341.198622][ T6632]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  341.198652][ T6632]  ? rt_spin_unlock+0x163/0x200
[  341.198697][ T6632]  kobject_add_internal+0x62c/0xce0
[  341.198736][ T6632]  kobject_init_and_add+0x12b/0x1a0
[  341.198769][ T6632]  ? __pfx_kobject_init_and_add+0x10/0x10
[  341.198801][ T6632]  ? __raw_spin_lock_init+0x45/0x100
[  341.198829][ T6632]  ? __init_swait_queue_head+0xa8/0x150
[  341.198859][ T6632]  gfs2_sys_fs_add+0x257/0x480
[  341.198886][ T6632]  ? is_dynamic_key+0x1aa/0x1c0
[  341.198917][ T6632]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  341.198954][ T6632]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  341.198998][ T6632]  gfs2_fill_super+0x1368/0x20f0
[  341.199035][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.199056][ T6632]  ? rt_spin_unlock+0x157/0x200
[  341.199091][ T6632]  ? sb_set_blocksize+0x11b/0x210
[  341.199121][ T6632]  ? setup_bdev_super+0x4c1/0x5b0
[  341.199152][ T6632]  get_tree_bdev_flags+0x430/0x4f0
[  341.199181][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.199203][ T6632]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  341.199243][ T6632]  gfs2_get_tree+0x51/0x1e0
[  341.199268][ T6632]  vfs_get_tree+0x92/0x2a0
[  341.199301][ T6632]  do_new_mount+0x319/0xdc0
[  341.199329][ T6632]  ? __pfx_do_new_mount+0x10/0x10
[  341.199356][ T6632]  ? ns_capable+0x89/0xe0
[  341.199381][ T6632]  ? path_mount+0x647/0x1040
[  341.199410][ T6632]  ? user_path_at+0xd4/0x160
[  341.199443][ T6632]  __se_sys_mount+0x31d/0x420
[  341.199476][ T6632]  ? __pfx___se_sys_mount+0x10/0x10
[  341.199508][ T6632]  ? __x64_sys_mount+0x20/0xc0
[  341.199531][ T6632]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.199554][ T6632]  do_syscall_64+0x174/0x580
[  341.199576][ T6632]  ? trace_irq_disable+0x3b/0x140
[  341.199604][ T6632]  ? clear_bhb_loop+0x40/0x90
[  341.199628][ T6632]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.199648][ T6632] RIP: 0033:0x7fc3dac1e0ca
[  341.199669][ T6632] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  341.199697][ T6632] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.199721][ T6632] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  341.199736][ T6632] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  341.199751][ T6632] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  341.199766][ T6632] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  341.199780][ T6632] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  341.199814][ T6632]  </TASK>
[  341.241441][ T6632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.241462][ T6632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.832410][ T6635] loop1: detected capacity change from 0 to 32768
[  341.837292][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.837317][ T6635] CPU: 0 UID: 0 PID: 6635 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  341.837346][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  341.837359][ T6635] Call Trace:
[  341.837369][ T6635]  <TASK>
[  341.837378][ T6635]  dump_stack_lvl+0xe8/0x150
[  341.837412][ T6635]  sysfs_create_dir_ns+0x271/0x2a0
[  341.837441][ T6635]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  341.837472][ T6635]  ? rt_spin_unlock+0x163/0x200
[  341.837505][ T6635]  kobject_add_internal+0x62c/0xce0
[  341.837541][ T6635]  kobject_init_and_add+0x12b/0x1a0
[  341.837575][ T6635]  ? __pfx_kobject_init_and_add+0x10/0x10
[  341.837606][ T6635]  ? __raw_spin_lock_init+0x45/0x100
[  341.837636][ T6635]  ? __init_swait_queue_head+0xa8/0x150
[  341.837663][ T6635]  gfs2_sys_fs_add+0x257/0x480
[  341.837689][ T6635]  ? is_dynamic_key+0x1aa/0x1c0
[  341.837716][ T6635]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  341.837760][ T6635]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  341.837800][ T6635]  gfs2_fill_super+0x1368/0x20f0
[  341.837836][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.837856][ T6635]  ? rt_spin_unlock+0x157/0x200
[  341.837888][ T6635]  ? sb_set_blocksize+0x11b/0x210
[  341.837919][ T6635]  ? setup_bdev_super+0x4c1/0x5b0
[  341.837953][ T6635]  get_tree_bdev_flags+0x430/0x4f0
[  341.837982][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.838004][ T6635]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  341.838047][ T6635]  gfs2_get_tree+0x51/0x1e0
[  341.838073][ T6635]  vfs_get_tree+0x92/0x2a0
[  341.838108][ T6635]  do_new_mount+0x319/0xdc0
[  341.838140][ T6635]  ? __pfx_do_new_mount+0x10/0x10
[  341.838168][ T6635]  ? ns_capable+0x89/0xe0
[  341.838195][ T6635]  ? path_mount+0x647/0x1040
[  341.838224][ T6635]  ? user_path_at+0xd4/0x160
[  341.838254][ T6635]  __se_sys_mount+0x31d/0x420
[  341.838287][ T6635]  ? __pfx___se_sys_mount+0x10/0x10
[  341.838318][ T6635]  ? __x64_sys_mount+0x20/0xc0
[  341.838342][ T6635]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.838365][ T6635]  do_syscall_64+0x174/0x580
[  341.838389][ T6635]  ? trace_irq_disable+0x3b/0x140
[  341.838419][ T6635]  ? clear_bhb_loop+0x40/0x90
[  341.838445][ T6635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.838466][ T6635] RIP: 0033:0x7fc3dac1e0ca
[  341.838487][ T6635] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  341.838504][ T6635] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.838527][ T6635] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  341.838542][ T6635] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  341.838557][ T6635] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  341.838571][ T6635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  341.838585][ T6635] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  341.838617][ T6635]  </TASK>
[  341.838717][ T6635] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.838743][ T6635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  342.482801][ T6638] loop1: detected capacity change from 0 to 32768
[  342.496440][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  342.496464][ T6638] CPU: 0 UID: 0 PID: 6638 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  342.496490][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  342.496502][ T6638] Call Trace:
[  342.496511][ T6638]  <TASK>
[  342.496521][ T6638]  dump_stack_lvl+0xe8/0x150
[  342.496555][ T6638]  sysfs_create_dir_ns+0x271/0x2a0
[  342.496585][ T6638]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  342.496615][ T6638]  ? rt_spin_unlock+0x163/0x200
[  342.496647][ T6638]  kobject_add_internal+0x62c/0xce0
[  342.496684][ T6638]  kobject_init_and_add+0x12b/0x1a0
[  342.496719][ T6638]  ? __pfx_kobject_init_and_add+0x10/0x10
[  342.496751][ T6638]  ? __raw_spin_lock_init+0x45/0x100
[  342.496780][ T6638]  ? __init_swait_queue_head+0xa8/0x150
[  342.496809][ T6638]  gfs2_sys_fs_add+0x257/0x480
[  342.496837][ T6638]  ? is_dynamic_key+0x1aa/0x1c0
[  342.496868][ T6638]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  342.496906][ T6638]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  342.496950][ T6638]  gfs2_fill_super+0x1368/0x20f0
[  342.496985][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.497006][ T6638]  ? rt_spin_unlock+0x157/0x200
[  342.497040][ T6638]  ? sb_set_blocksize+0x11b/0x210
[  342.497071][ T6638]  ? setup_bdev_super+0x4c1/0x5b0
[  342.497106][ T6638]  get_tree_bdev_flags+0x430/0x4f0
[  342.497148][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.497172][ T6638]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  342.497211][ T6638]  gfs2_get_tree+0x51/0x1e0
[  342.497236][ T6638]  vfs_get_tree+0x92/0x2a0
[  342.497270][ T6638]  do_new_mount+0x319/0xdc0
[  342.497302][ T6638]  ? __pfx_do_new_mount+0x10/0x10
[  342.497329][ T6638]  ? ns_capable+0x89/0xe0
[  342.497354][ T6638]  ? path_mount+0x647/0x1040
[  342.497383][ T6638]  ? user_path_at+0xd4/0x160
[  342.497414][ T6638]  __se_sys_mount+0x31d/0x420
[  342.497446][ T6638]  ? __pfx___se_sys_mount+0x10/0x10
[  342.497476][ T6638]  ? __x64_sys_mount+0x20/0xc0
[  342.497502][ T6638]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.497526][ T6638]  do_syscall_64+0x174/0x580
[  342.497549][ T6638]  ? trace_irq_disable+0x3b/0x140
[  342.497584][ T6638]  ? clear_bhb_loop+0x40/0x90
[  342.497611][ T6638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.497632][ T6638] RIP: 0033:0x7fc3dac1e0ca
[  342.497651][ T6638] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  342.497705][ T6638] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  342.497729][ T6638] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  342.497746][ T6638] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  342.497772][ T6638] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  342.497796][ T6638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  342.497809][ T6638] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  342.497844][ T6638]  </TASK>
[  342.555611][ T6638] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.555635][ T6638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.194841][ T6641] loop1: detected capacity change from 0 to 32768
[  343.202771][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  343.202794][ T6641] CPU: 1 UID: 0 PID: 6641 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  343.202816][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  343.202828][ T6641] Call Trace:
[  343.202836][ T6641]  <TASK>
[  343.202843][ T6641]  dump_stack_lvl+0xe8/0x150
[  343.202874][ T6641]  sysfs_create_dir_ns+0x271/0x2a0
[  343.202900][ T6641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  343.202927][ T6641]  ? rt_spin_unlock+0x163/0x200
[  343.202957][ T6641]  kobject_add_internal+0x62c/0xce0
[  343.202990][ T6641]  kobject_init_and_add+0x12b/0x1a0
[  343.203019][ T6641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  343.203046][ T6641]  ? __raw_spin_lock_init+0x45/0x100
[  343.203073][ T6641]  ? __init_swait_queue_head+0xa8/0x150
[  343.203099][ T6641]  gfs2_sys_fs_add+0x257/0x480
[  343.203123][ T6641]  ? is_dynamic_key+0x1aa/0x1c0
[  343.203150][ T6641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  343.203182][ T6641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  343.203232][ T6641]  gfs2_fill_super+0x1368/0x20f0
[  343.203264][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.203282][ T6641]  ? rt_spin_unlock+0x157/0x200
[  343.203311][ T6641]  ? sb_set_blocksize+0x11b/0x210
[  343.203339][ T6641]  ? setup_bdev_super+0x4c1/0x5b0
[  343.203369][ T6641]  get_tree_bdev_flags+0x430/0x4f0
[  343.203396][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.203415][ T6641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  343.203452][ T6641]  gfs2_get_tree+0x51/0x1e0
[  343.203476][ T6641]  vfs_get_tree+0x92/0x2a0
[  343.203504][ T6641]  do_new_mount+0x319/0xdc0
[  343.203531][ T6641]  ? __pfx_do_new_mount+0x10/0x10
[  343.203555][ T6641]  ? ns_capable+0x89/0xe0
[  343.203577][ T6641]  ? path_mount+0x647/0x1040
[  343.203602][ T6641]  ? user_path_at+0xd4/0x160
[  343.203629][ T6641]  __se_sys_mount+0x31d/0x420
[  343.203657][ T6641]  ? __pfx___se_sys_mount+0x10/0x10
[  343.203685][ T6641]  ? __x64_sys_mount+0x20/0xc0
[  343.203707][ T6641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.203727][ T6641]  do_syscall_64+0x174/0x580
[  343.203747][ T6641]  ? trace_irq_disable+0x3b/0x140
[  343.203772][ T6641]  ? clear_bhb_loop+0x40/0x90
[  343.203795][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.203813][ T6641] RIP: 0033:0x7fc3dac1e0ca
[  343.203832][ T6641] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  343.203848][ T6641] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  343.203870][ T6641] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  343.203884][ T6641] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  343.203897][ T6641] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  343.203910][ T6641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  343.203922][ T6641] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  343.203952][ T6641]  </TASK>
[  343.203988][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  343.207642][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.805808][ T6644] loop1: detected capacity change from 0 to 32768
[  343.830990][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  343.831015][ T6644] CPU: 0 UID: 0 PID: 6644 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  343.831039][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  343.831051][ T6644] Call Trace:
[  343.831060][ T6644]  <TASK>
[  343.831069][ T6644]  dump_stack_lvl+0xe8/0x150
[  343.831104][ T6644]  sysfs_create_dir_ns+0x271/0x2a0
[  343.831142][ T6644]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  343.831174][ T6644]  ? rt_spin_unlock+0x163/0x200
[  343.831209][ T6644]  kobject_add_internal+0x62c/0xce0
[  343.831245][ T6644]  kobject_init_and_add+0x12b/0x1a0
[  343.831280][ T6644]  ? __pfx_kobject_init_and_add+0x10/0x10
[  343.831313][ T6644]  ? __raw_spin_lock_init+0x45/0x100
[  343.831343][ T6644]  ? __init_swait_queue_head+0xa8/0x150
[  343.831371][ T6644]  gfs2_sys_fs_add+0x257/0x480
[  343.831399][ T6644]  ? is_dynamic_key+0x1aa/0x1c0
[  343.831432][ T6644]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  343.831470][ T6644]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  343.831513][ T6644]  gfs2_fill_super+0x1368/0x20f0
[  343.831549][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.831569][ T6644]  ? rt_spin_unlock+0x157/0x200
[  343.831602][ T6644]  ? sb_set_blocksize+0x11b/0x210
[  343.831633][ T6644]  ? setup_bdev_super+0x4c1/0x5b0
[  343.831665][ T6644]  get_tree_bdev_flags+0x430/0x4f0
[  343.831697][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.831719][ T6644]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  343.831762][ T6644]  gfs2_get_tree+0x51/0x1e0
[  343.831788][ T6644]  vfs_get_tree+0x92/0x2a0
[  343.831821][ T6644]  do_new_mount+0x319/0xdc0
[  343.831853][ T6644]  ? __pfx_do_new_mount+0x10/0x10
[  343.831881][ T6644]  ? ns_capable+0x89/0xe0
[  343.831906][ T6644]  ? path_mount+0x647/0x1040
[  343.831935][ T6644]  ? user_path_at+0xd4/0x160
[  343.831965][ T6644]  __se_sys_mount+0x31d/0x420
[  343.831997][ T6644]  ? __pfx___se_sys_mount+0x10/0x10
[  343.832030][ T6644]  ? __x64_sys_mount+0x20/0xc0
[  343.832054][ T6644]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.832076][ T6644]  do_syscall_64+0x174/0x580
[  343.832098][ T6644]  ? trace_irq_disable+0x3b/0x140
[  343.832138][ T6644]  ? clear_bhb_loop+0x40/0x90
[  343.832165][ T6644]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.832186][ T6644] RIP: 0033:0x7fc3dac1e0ca
[  343.832207][ T6644] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  343.832226][ T6644] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  343.832250][ T6644] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  343.832266][ T6644] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  343.832281][ T6644] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  343.832296][ T6644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  343.832308][ T6644] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  343.832341][ T6644]  </TASK>
[  343.834575][ T6644] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  343.834597][ T6644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  344.478966][ T6647] loop1: detected capacity change from 0 to 32768
[  344.493929][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  344.493953][ T6647] CPU: 1 UID: 0 PID: 6647 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  344.493969][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  344.493976][ T6647] Call Trace:
[  344.493981][ T6647]  <TASK>
[  344.493987][ T6647]  dump_stack_lvl+0xe8/0x150
[  344.494009][ T6647]  sysfs_create_dir_ns+0x271/0x2a0
[  344.494038][ T6647]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  344.494055][ T6647]  ? rt_spin_unlock+0x163/0x200
[  344.494074][ T6647]  kobject_add_internal+0x62c/0xce0
[  344.494094][ T6647]  kobject_init_and_add+0x12b/0x1a0
[  344.494112][ T6647]  ? __pfx_kobject_init_and_add+0x10/0x10
[  344.494130][ T6647]  ? __raw_spin_lock_init+0x45/0x100
[  344.494156][ T6647]  ? __init_swait_queue_head+0xa8/0x150
[  344.494173][ T6647]  gfs2_sys_fs_add+0x257/0x480
[  344.494188][ T6647]  ? is_dynamic_key+0x1aa/0x1c0
[  344.494205][ T6647]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  344.494225][ T6647]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  344.494248][ T6647]  gfs2_fill_super+0x1368/0x20f0
[  344.494268][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  344.494279][ T6647]  ? rt_spin_unlock+0x157/0x200
[  344.494305][ T6647]  ? sb_set_blocksize+0x11b/0x210
[  344.494322][ T6647]  ? setup_bdev_super+0x4c1/0x5b0
[  344.494341][ T6647]  get_tree_bdev_flags+0x430/0x4f0
[  344.494358][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  344.494370][ T6647]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  344.494393][ T6647]  gfs2_get_tree+0x51/0x1e0
[  344.494407][ T6647]  vfs_get_tree+0x92/0x2a0
[  344.494429][ T6647]  do_new_mount+0x319/0xdc0
[  344.494447][ T6647]  ? __pfx_do_new_mount+0x10/0x10
[  344.494462][ T6647]  ? ns_capable+0x89/0xe0
[  344.494476][ T6647]  ? path_mount+0x647/0x1040
[  344.494491][ T6647]  ? user_path_at+0xd4/0x160
[  344.494508][ T6647]  __se_sys_mount+0x31d/0x420
[  344.494526][ T6647]  ? __pfx___se_sys_mount+0x10/0x10
[  344.494543][ T6647]  ? __x64_sys_mount+0x20/0xc0
[  344.494557][ T6647]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  344.494570][ T6647]  do_syscall_64+0x174/0x580
[  344.494583][ T6647]  ? trace_irq_disable+0x3b/0x140
[  344.494599][ T6647]  ? clear_bhb_loop+0x40/0x90
[  344.494614][ T6647]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  344.494625][ T6647] RIP: 0033:0x7fc3dac1e0ca
[  344.494638][ T6647] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  344.494649][ T6647] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  344.494663][ T6647] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  344.494672][ T6647] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  344.494680][ T6647] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  344.494688][ T6647] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  344.494696][ T6647] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  344.494714][ T6647]  </TASK>
[  344.494740][ T6647] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  344.494749][ T6647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  345.078113][ T6650] loop1: detected capacity change from 0 to 32768
[  345.093621][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.093647][ T6650] CPU: 0 UID: 0 PID: 6650 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  345.093671][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  345.093694][ T6650] Call Trace:
[  345.093703][ T6650]  <TASK>
[  345.093712][ T6650]  dump_stack_lvl+0xe8/0x150
[  345.093747][ T6650]  sysfs_create_dir_ns+0x271/0x2a0
[  345.093777][ T6650]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  345.093808][ T6650]  ? rt_spin_unlock+0x163/0x200
[  345.093839][ T6650]  kobject_add_internal+0x62c/0xce0
[  345.093876][ T6650]  kobject_init_and_add+0x12b/0x1a0
[  345.093910][ T6650]  ? __pfx_kobject_init_and_add+0x10/0x10
[  345.093943][ T6650]  ? __raw_spin_lock_init+0x45/0x100
[  345.093972][ T6650]  ? __init_swait_queue_head+0xa8/0x150
[  345.094003][ T6650]  gfs2_sys_fs_add+0x257/0x480
[  345.094032][ T6650]  ? is_dynamic_key+0x1aa/0x1c0
[  345.094062][ T6650]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  345.094099][ T6650]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  345.094140][ T6650]  gfs2_fill_super+0x1368/0x20f0
[  345.094173][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.094191][ T6650]  ? rt_spin_unlock+0x157/0x200
[  345.094222][ T6650]  ? sb_set_blocksize+0x11b/0x210
[  345.094252][ T6650]  ? setup_bdev_super+0x4c1/0x5b0
[  345.094286][ T6650]  get_tree_bdev_flags+0x430/0x4f0
[  345.094318][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.094340][ T6650]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  345.094379][ T6650]  gfs2_get_tree+0x51/0x1e0
[  345.094405][ T6650]  vfs_get_tree+0x92/0x2a0
[  345.094435][ T6650]  do_new_mount+0x319/0xdc0
[  345.094466][ T6650]  ? __pfx_do_new_mount+0x10/0x10
[  345.094494][ T6650]  ? ns_capable+0x89/0xe0
[  345.094519][ T6650]  ? path_mount+0x647/0x1040
[  345.094548][ T6650]  ? user_path_at+0xd4/0x160
[  345.094579][ T6650]  __se_sys_mount+0x31d/0x420
[  345.094610][ T6650]  ? __pfx___se_sys_mount+0x10/0x10
[  345.094642][ T6650]  ? __x64_sys_mount+0x20/0xc0
[  345.094664][ T6650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.094697][ T6650]  do_syscall_64+0x174/0x580
[  345.094719][ T6650]  ? trace_irq_disable+0x3b/0x140
[  345.094749][ T6650]  ? clear_bhb_loop+0x40/0x90
[  345.094774][ T6650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.094795][ T6650] RIP: 0033:0x7fc3dac1e0ca
[  345.094817][ T6650] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  345.094840][ T6650] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.094864][ T6650] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  345.094881][ T6650] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  345.094896][ T6650] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  345.094911][ T6650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  345.094925][ T6650] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  345.094958][ T6650]  </TASK>
[  345.100321][ T6650] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.100341][ T6650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  345.742309][ T6653] loop1: detected capacity change from 0 to 32768
[  345.761366][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.761392][ T6653] CPU: 0 UID: 0 PID: 6653 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
2026/06/27 15:39:17 executed programs: 207
[  345.761417][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  345.761429][ T6653] Call Trace:
[  345.761438][ T6653]  <TASK>
[  345.761445][ T6653]  dump_stack_lvl+0xe8/0x150
[  345.761480][ T6653]  sysfs_create_dir_ns+0x271/0x2a0
[  345.761508][ T6653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  345.761537][ T6653]  ? rt_spin_unlock+0x163/0x200
[  345.761570][ T6653]  kobject_add_internal+0x62c/0xce0
[  345.761607][ T6653]  kobject_init_and_add+0x12b/0x1a0
[  345.761643][ T6653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  345.761674][ T6653]  ? __raw_spin_lock_init+0x45/0x100
[  345.761703][ T6653]  ? __init_swait_queue_head+0xa8/0x150
[  345.761733][ T6653]  gfs2_sys_fs_add+0x257/0x480
[  345.761763][ T6653]  ? is_dynamic_key+0x1aa/0x1c0
[  345.761795][ T6653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  345.761832][ T6653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  345.761875][ T6653]  gfs2_fill_super+0x1368/0x20f0
[  345.761913][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.761934][ T6653]  ? rt_spin_unlock+0x157/0x200
[  345.761968][ T6653]  ? sb_set_blocksize+0x11b/0x210
[  345.761998][ T6653]  ? setup_bdev_super+0x4c1/0x5b0
[  345.762033][ T6653]  get_tree_bdev_flags+0x430/0x4f0
[  345.762064][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.762086][ T6653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  345.762130][ T6653]  gfs2_get_tree+0x51/0x1e0
[  345.762156][ T6653]  vfs_get_tree+0x92/0x2a0
[  345.762197][ T6653]  do_new_mount+0x319/0xdc0
[  345.762228][ T6653]  ? __pfx_do_new_mount+0x10/0x10
[  345.762255][ T6653]  ? ns_capable+0x89/0xe0
[  345.762280][ T6653]  ? path_mount+0x647/0x1040
[  345.762307][ T6653]  ? user_path_at+0xd4/0x160
[  345.762337][ T6653]  __se_sys_mount+0x31d/0x420
[  345.762368][ T6653]  ? __pfx___se_sys_mount+0x10/0x10
[  345.762400][ T6653]  ? __x64_sys_mount+0x20/0xc0
[  345.762426][ T6653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.762450][ T6653]  do_syscall_64+0x174/0x580
[  345.762472][ T6653]  ? trace_irq_disable+0x3b/0x140
[  345.762501][ T6653]  ? clear_bhb_loop+0x40/0x90
[  345.762526][ T6653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.762548][ T6653] RIP: 0033:0x7fc3dac1e0ca
[  345.762568][ T6653] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  345.762586][ T6653] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.762611][ T6653] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  345.762627][ T6653] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  345.762642][ T6653] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  345.762656][ T6653] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  345.762671][ T6653] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  345.762703][ T6653]  </TASK>
[  345.762760][ T6653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.762778][ T6653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  346.358502][ T6656] loop1: detected capacity change from 0 to 32768
[  346.376035][ T6656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.376060][ T6656] CPU: 0 UID: 0 PID: 6656 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  346.376088][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  346.376100][ T6656] Call Trace:
[  346.376109][ T6656]  <TASK>
[  346.376118][ T6656]  dump_stack_lvl+0xe8/0x150
[  346.376152][ T6656]  sysfs_create_dir_ns+0x271/0x2a0
[  346.376181][ T6656]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  346.376211][ T6656]  ? rt_spin_unlock+0x163/0x200
[  346.376244][ T6656]  kobject_add_internal+0x62c/0xce0
[  346.376288][ T6656]  kobject_init_and_add+0x12b/0x1a0
[  346.376323][ T6656]  ? __pfx_kobject_init_and_add+0x10/0x10
[  346.376355][ T6656]  ? __raw_spin_lock_init+0x45/0x100
[  346.376386][ T6656]  ? __init_swait_queue_head+0xa8/0x150
[  346.376415][ T6656]  gfs2_sys_fs_add+0x257/0x480
[  346.376442][ T6656]  ? is_dynamic_key+0x1aa/0x1c0
[  346.376472][ T6656]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  346.376509][ T6656]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  346.376551][ T6656]  gfs2_fill_super+0x1368/0x20f0
[  346.376587][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.376607][ T6656]  ? rt_spin_unlock+0x157/0x200
[  346.376641][ T6656]  ? sb_set_blocksize+0x11b/0x210
[  346.376671][ T6656]  ? setup_bdev_super+0x4c1/0x5b0
[  346.376705][ T6656]  get_tree_bdev_flags+0x430/0x4f0
[  346.376735][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.376757][ T6656]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  346.376797][ T6656]  gfs2_get_tree+0x51/0x1e0
[  346.376822][ T6656]  vfs_get_tree+0x92/0x2a0
[  346.376854][ T6656]  do_new_mount+0x319/0xdc0
[  346.376886][ T6656]  ? __pfx_do_new_mount+0x10/0x10
[  346.376913][ T6656]  ? ns_capable+0x89/0xe0
[  346.376937][ T6656]  ? path_mount+0x647/0x1040
[  346.376966][ T6656]  ? user_path_at+0xd4/0x160
[  346.376996][ T6656]  __se_sys_mount+0x31d/0x420
[  346.377026][ T6656]  ? __pfx___se_sys_mount+0x10/0x10
[  346.377059][ T6656]  ? __x64_sys_mount+0x20/0xc0
[  346.377083][ T6656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.377106][ T6656]  do_syscall_64+0x174/0x580
[  346.377129][ T6656]  ? trace_irq_disable+0x3b/0x140
[  346.377157][ T6656]  ? clear_bhb_loop+0x40/0x90
[  346.377183][ T6656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.377204][ T6656] RIP: 0033:0x7fc3dac1e0ca
[  346.377225][ T6656] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  346.377243][ T6656] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  346.377275][ T6656] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  346.377291][ T6656] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  346.377306][ T6656] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  346.377319][ T6656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  346.377333][ T6656] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  346.377365][ T6656]  </TASK>
[  346.383009][ T6656] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  346.383030][ T6656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.059821][ T6659] loop1: detected capacity change from 0 to 32768
[  347.080000][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  347.080026][ T6659] CPU: 0 UID: 0 PID: 6659 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  347.080051][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  347.080062][ T6659] Call Trace:
[  347.080071][ T6659]  <TASK>
[  347.080080][ T6659]  dump_stack_lvl+0xe8/0x150
[  347.080114][ T6659]  sysfs_create_dir_ns+0x271/0x2a0
[  347.080144][ T6659]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  347.080175][ T6659]  ? rt_spin_unlock+0x163/0x200
[  347.080210][ T6659]  kobject_add_internal+0x62c/0xce0
[  347.080246][ T6659]  kobject_init_and_add+0x12b/0x1a0
[  347.080281][ T6659]  ? __pfx_kobject_init_and_add+0x10/0x10
[  347.080312][ T6659]  ? __raw_spin_lock_init+0x45/0x100
[  347.080347][ T6659]  ? __init_swait_queue_head+0xa8/0x150
[  347.080376][ T6659]  gfs2_sys_fs_add+0x257/0x480
[  347.080402][ T6659]  ? is_dynamic_key+0x1aa/0x1c0
[  347.080434][ T6659]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  347.080470][ T6659]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  347.080514][ T6659]  gfs2_fill_super+0x1368/0x20f0
[  347.080551][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.080573][ T6659]  ? rt_spin_unlock+0x157/0x200
[  347.080607][ T6659]  ? sb_set_blocksize+0x11b/0x210
[  347.080648][ T6659]  ? setup_bdev_super+0x4c1/0x5b0
[  347.080683][ T6659]  get_tree_bdev_flags+0x430/0x4f0
[  347.080713][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.080736][ T6659]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  347.080779][ T6659]  gfs2_get_tree+0x51/0x1e0
[  347.080806][ T6659]  vfs_get_tree+0x92/0x2a0
[  347.080838][ T6659]  do_new_mount+0x319/0xdc0
[  347.080867][ T6659]  ? __pfx_do_new_mount+0x10/0x10
[  347.080895][ T6659]  ? ns_capable+0x89/0xe0
[  347.080921][ T6659]  ? path_mount+0x647/0x1040
[  347.080949][ T6659]  ? user_path_at+0xd4/0x160
[  347.080980][ T6659]  __se_sys_mount+0x31d/0x420
[  347.081013][ T6659]  ? __pfx___se_sys_mount+0x10/0x10
[  347.081045][ T6659]  ? __x64_sys_mount+0x20/0xc0
[  347.081069][ T6659]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.081093][ T6659]  do_syscall_64+0x174/0x580
[  347.081115][ T6659]  ? trace_irq_disable+0x3b/0x140
[  347.081144][ T6659]  ? clear_bhb_loop+0x40/0x90
[  347.081170][ T6659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.081191][ T6659] RIP: 0033:0x7fc3dac1e0ca
[  347.081211][ T6659] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  347.081230][ T6659] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.081255][ T6659] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  347.081272][ T6659] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  347.081286][ T6659] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  347.081301][ T6659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  347.081316][ T6659] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  347.081350][ T6659]  </TASK>
[  347.082739][ T6659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.082761][ T6659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.728711][ T6662] loop1: detected capacity change from 0 to 32768
[  347.741396][ T6662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  347.741420][ T6662] CPU: 0 UID: 0 PID: 6662 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  347.741444][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  347.741457][ T6662] Call Trace:
[  347.741465][ T6662]  <TASK>
[  347.741474][ T6662]  dump_stack_lvl+0xe8/0x150
[  347.741508][ T6662]  sysfs_create_dir_ns+0x271/0x2a0
[  347.741536][ T6662]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  347.741567][ T6662]  ? rt_spin_unlock+0x163/0x200
[  347.741600][ T6662]  kobject_add_internal+0x62c/0xce0
[  347.741636][ T6662]  kobject_init_and_add+0x12b/0x1a0
[  347.741671][ T6662]  ? __pfx_kobject_init_and_add+0x10/0x10
[  347.741702][ T6662]  ? __raw_spin_lock_init+0x45/0x100
[  347.741733][ T6662]  ? __init_swait_queue_head+0xa8/0x150
[  347.741767][ T6662]  gfs2_sys_fs_add+0x257/0x480
[  347.741794][ T6662]  ? is_dynamic_key+0x1aa/0x1c0
[  347.741825][ T6662]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  347.741862][ T6662]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  347.741904][ T6662]  gfs2_fill_super+0x1368/0x20f0
[  347.741939][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.741960][ T6662]  ? rt_spin_unlock+0x157/0x200
[  347.741994][ T6662]  ? sb_set_blocksize+0x11b/0x210
[  347.742025][ T6662]  ? setup_bdev_super+0x4c1/0x5b0
[  347.742057][ T6662]  get_tree_bdev_flags+0x430/0x4f0
[  347.742099][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  347.742121][ T6662]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  347.742164][ T6662]  gfs2_get_tree+0x51/0x1e0
[  347.742190][ T6662]  vfs_get_tree+0x92/0x2a0
[  347.742223][ T6662]  do_new_mount+0x319/0xdc0
[  347.742254][ T6662]  ? __pfx_do_new_mount+0x10/0x10
[  347.742281][ T6662]  ? ns_capable+0x89/0xe0
[  347.742306][ T6662]  ? path_mount+0x647/0x1040
[  347.742335][ T6662]  ? user_path_at+0xd4/0x160
[  347.742365][ T6662]  __se_sys_mount+0x31d/0x420
[  347.742397][ T6662]  ? __pfx___se_sys_mount+0x10/0x10
[  347.742430][ T6662]  ? __x64_sys_mount+0x20/0xc0
[  347.742455][ T6662]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.742479][ T6662]  do_syscall_64+0x174/0x580
[  347.742502][ T6662]  ? trace_irq_disable+0x3b/0x140
[  347.742532][ T6662]  ? clear_bhb_loop+0x40/0x90
[  347.742558][ T6662]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  347.742579][ T6662] RIP: 0033:0x7fc3dac1e0ca
[  347.742599][ T6662] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  347.742617][ T6662] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.742641][ T6662] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  347.742658][ T6662] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  347.742673][ T6662] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  347.742688][ T6662] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  347.742702][ T6662] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  347.742736][ T6662]  </TASK>
[  347.769395][ T6662] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.769419][ T6662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  348.348049][ T6665] loop1: detected capacity change from 0 to 32768
[  348.381248][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  348.381273][ T6665] CPU: 0 UID: 0 PID: 6665 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  348.381299][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  348.381311][ T6665] Call Trace:
[  348.381320][ T6665]  <TASK>
[  348.381330][ T6665]  dump_stack_lvl+0xe8/0x150
[  348.381368][ T6665]  sysfs_create_dir_ns+0x271/0x2a0
[  348.381399][ T6665]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  348.381428][ T6665]  ? rt_spin_unlock+0x163/0x200
[  348.381462][ T6665]  kobject_add_internal+0x62c/0xce0
[  348.381497][ T6665]  kobject_init_and_add+0x12b/0x1a0
[  348.381532][ T6665]  ? __pfx_kobject_init_and_add+0x10/0x10
[  348.381562][ T6665]  ? __raw_spin_lock_init+0x45/0x100
[  348.381593][ T6665]  ? __init_swait_queue_head+0xa8/0x150
[  348.381633][ T6665]  gfs2_sys_fs_add+0x257/0x480
[  348.381660][ T6665]  ? is_dynamic_key+0x1aa/0x1c0
[  348.381690][ T6665]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  348.381725][ T6665]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  348.381769][ T6665]  gfs2_fill_super+0x1368/0x20f0
[  348.381805][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  348.381826][ T6665]  ? rt_spin_unlock+0x157/0x200
[  348.381860][ T6665]  ? sb_set_blocksize+0x11b/0x210
[  348.381894][ T6665]  ? setup_bdev_super+0x4c1/0x5b0
[  348.381927][ T6665]  get_tree_bdev_flags+0x430/0x4f0
[  348.381957][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  348.381978][ T6665]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  348.382021][ T6665]  gfs2_get_tree+0x51/0x1e0
[  348.382046][ T6665]  vfs_get_tree+0x92/0x2a0
[  348.382079][ T6665]  do_new_mount+0x319/0xdc0
[  348.382109][ T6665]  ? __pfx_do_new_mount+0x10/0x10
[  348.382137][ T6665]  ? ns_capable+0x89/0xe0
[  348.382161][ T6665]  ? path_mount+0x647/0x1040
[  348.382189][ T6665]  ? user_path_at+0xd4/0x160
[  348.382220][ T6665]  __se_sys_mount+0x31d/0x420
[  348.382251][ T6665]  ? __pfx___se_sys_mount+0x10/0x10
[  348.382284][ T6665]  ? __x64_sys_mount+0x20/0xc0
[  348.382308][ T6665]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  348.382332][ T6665]  do_syscall_64+0x174/0x580
[  348.382355][ T6665]  ? trace_irq_disable+0x3b/0x140
[  348.382385][ T6665]  ? clear_bhb_loop+0x40/0x90
[  348.382413][ T6665]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  348.382434][ T6665] RIP: 0033:0x7fc3dac1e0ca
[  348.382455][ T6665] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  348.382474][ T6665] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  348.382499][ T6665] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  348.382516][ T6665] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  348.382531][ T6665] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  348.382545][ T6665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  348.382558][ T6665] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  348.382592][ T6665]  </TASK>
[  348.382645][ T6665] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  348.382662][ T6665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  348.978955][ T6668] loop1: detected capacity change from 0 to 32768
[  349.002685][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.002709][ T6668] CPU: 1 UID: 0 PID: 6668 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  349.002734][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  349.002747][ T6668] Call Trace:
[  349.002756][ T6668]  <TASK>
[  349.002765][ T6668]  dump_stack_lvl+0xe8/0x150
[  349.002798][ T6668]  sysfs_create_dir_ns+0x271/0x2a0
[  349.002825][ T6668]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  349.002854][ T6668]  ? rt_spin_unlock+0x163/0x200
[  349.002885][ T6668]  kobject_add_internal+0x62c/0xce0
[  349.002911][ T6668]  kobject_init_and_add+0x12b/0x1a0
[  349.002930][ T6668]  ? __pfx_kobject_init_and_add+0x10/0x10
[  349.002947][ T6668]  ? __raw_spin_lock_init+0x45/0x100
[  349.002964][ T6668]  ? __init_swait_queue_head+0xa8/0x150
[  349.002980][ T6668]  gfs2_sys_fs_add+0x257/0x480
[  349.002995][ T6668]  ? is_dynamic_key+0x1aa/0x1c0
[  349.003012][ T6668]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  349.003032][ T6668]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  349.003055][ T6668]  gfs2_fill_super+0x1368/0x20f0
[  349.003083][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.003094][ T6668]  ? rt_spin_unlock+0x157/0x200
[  349.003113][ T6668]  ? sb_set_blocksize+0x11b/0x210
[  349.003131][ T6668]  ? setup_bdev_super+0x4c1/0x5b0
[  349.003150][ T6668]  get_tree_bdev_flags+0x430/0x4f0
[  349.003167][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.003180][ T6668]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  349.003203][ T6668]  gfs2_get_tree+0x51/0x1e0
[  349.003217][ T6668]  vfs_get_tree+0x92/0x2a0
[  349.003235][ T6668]  do_new_mount+0x319/0xdc0
[  349.003253][ T6668]  ? __pfx_do_new_mount+0x10/0x10
[  349.003268][ T6668]  ? ns_capable+0x89/0xe0
[  349.003282][ T6668]  ? path_mount+0x647/0x1040
[  349.003298][ T6668]  ? user_path_at+0xd4/0x160
[  349.003314][ T6668]  __se_sys_mount+0x31d/0x420
[  349.003332][ T6668]  ? __pfx___se_sys_mount+0x10/0x10
[  349.003350][ T6668]  ? __x64_sys_mount+0x20/0xc0
[  349.003363][ T6668]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.003376][ T6668]  do_syscall_64+0x174/0x580
[  349.003389][ T6668]  ? trace_irq_disable+0x3b/0x140
[  349.003405][ T6668]  ? clear_bhb_loop+0x40/0x90
[  349.003420][ T6668]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.003431][ T6668] RIP: 0033:0x7fc3dac1e0ca
[  349.003445][ T6668] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  349.003455][ T6668] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.003470][ T6668] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  349.003479][ T6668] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  349.003487][ T6668] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  349.003495][ T6668] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  349.003503][ T6668] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  349.003521][ T6668]  </TASK>
[  349.003549][ T6668] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.003559][ T6668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.578667][ T6671] loop1: detected capacity change from 0 to 32768
[  349.597777][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.597803][ T6671] CPU: 0 UID: 0 PID: 6671 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  349.597827][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  349.597839][ T6671] Call Trace:
[  349.597848][ T6671]  <TASK>
[  349.597857][ T6671]  dump_stack_lvl+0xe8/0x150
[  349.597889][ T6671]  sysfs_create_dir_ns+0x271/0x2a0
[  349.597919][ T6671]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  349.597949][ T6671]  ? rt_spin_unlock+0x163/0x200
[  349.597981][ T6671]  kobject_add_internal+0x62c/0xce0
[  349.598016][ T6671]  kobject_init_and_add+0x12b/0x1a0
[  349.598045][ T6671]  ? __pfx_kobject_init_and_add+0x10/0x10
[  349.598062][ T6671]  ? __raw_spin_lock_init+0x45/0x100
[  349.598087][ T6671]  ? __init_swait_queue_head+0xa8/0x150
[  349.598104][ T6671]  gfs2_sys_fs_add+0x257/0x480
[  349.598119][ T6671]  ? is_dynamic_key+0x1aa/0x1c0
[  349.598136][ T6671]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  349.598156][ T6671]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  349.598181][ T6671]  gfs2_fill_super+0x1368/0x20f0
[  349.598201][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.598212][ T6671]  ? rt_spin_unlock+0x157/0x200
[  349.598231][ T6671]  ? sb_set_blocksize+0x11b/0x210
[  349.598248][ T6671]  ? setup_bdev_super+0x4c1/0x5b0
[  349.598268][ T6671]  get_tree_bdev_flags+0x430/0x4f0
[  349.598285][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.598298][ T6671]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  349.598321][ T6671]  gfs2_get_tree+0x51/0x1e0
[  349.598335][ T6671]  vfs_get_tree+0x92/0x2a0
[  349.598353][ T6671]  do_new_mount+0x319/0xdc0
[  349.598371][ T6671]  ? __pfx_do_new_mount+0x10/0x10
[  349.598386][ T6671]  ? ns_capable+0x89/0xe0
[  349.598400][ T6671]  ? path_mount+0x647/0x1040
[  349.598415][ T6671]  ? user_path_at+0xd4/0x160
[  349.598432][ T6671]  __se_sys_mount+0x31d/0x420
[  349.598450][ T6671]  ? __pfx___se_sys_mount+0x10/0x10
[  349.598468][ T6671]  ? __x64_sys_mount+0x20/0xc0
[  349.598481][ T6671]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.598494][ T6671]  do_syscall_64+0x174/0x580
[  349.598507][ T6671]  ? trace_irq_disable+0x3b/0x140
[  349.598524][ T6671]  ? clear_bhb_loop+0x40/0x90
[  349.598538][ T6671]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.598550][ T6671] RIP: 0033:0x7fc3dac1e0ca
[  349.598563][ T6671] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  349.598576][ T6671] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.598592][ T6671] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  349.598601][ T6671] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  349.598609][ T6671] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  349.598617][ T6671] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  349.598625][ T6671] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  349.598643][ T6671]  </TASK>
[  349.598811][ T6671] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.598852][ T6671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.217079][ T6674] loop1: detected capacity change from 0 to 32768
[  350.244193][ T6674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.244210][ T6674] CPU: 1 UID: 0 PID: 6674 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  350.244225][ T6674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  350.244232][ T6674] Call Trace:
[  350.244237][ T6674]  <TASK>
[  350.244243][ T6674]  dump_stack_lvl+0xe8/0x150
[  350.244264][ T6674]  sysfs_create_dir_ns+0x271/0x2a0
[  350.244281][ T6674]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  350.244297][ T6674]  ? rt_spin_unlock+0x163/0x200
[  350.244324][ T6674]  kobject_add_internal+0x62c/0xce0
[  350.244356][ T6674]  kobject_init_and_add+0x12b/0x1a0
[  350.244376][ T6674]  ? __pfx_kobject_init_and_add+0x10/0x10
[  350.244393][ T6674]  ? __raw_spin_lock_init+0x45/0x100
[  350.244409][ T6674]  ? __init_swait_queue_head+0xa8/0x150
[  350.244426][ T6674]  gfs2_sys_fs_add+0x257/0x480
[  350.244441][ T6674]  ? is_dynamic_key+0x1aa/0x1c0
[  350.244458][ T6674]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  350.244478][ T6674]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  350.244501][ T6674]  gfs2_fill_super+0x1368/0x20f0
[  350.244520][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.244531][ T6674]  ? rt_spin_unlock+0x157/0x200
[  350.244550][ T6674]  ? sb_set_blocksize+0x11b/0x210
[  350.244567][ T6674]  ? setup_bdev_super+0x4c1/0x5b0
[  350.244590][ T6674]  get_tree_bdev_flags+0x430/0x4f0
[  350.244607][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.244619][ T6674]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  350.244642][ T6674]  gfs2_get_tree+0x51/0x1e0
[  350.244656][ T6674]  vfs_get_tree+0x92/0x2a0
[  350.244674][ T6674]  do_new_mount+0x319/0xdc0
[  350.244691][ T6674]  ? __pfx_do_new_mount+0x10/0x10
[  350.244706][ T6674]  ? ns_capable+0x89/0xe0
[  350.244720][ T6674]  ? path_mount+0x647/0x1040
[  350.244736][ T6674]  ? user_path_at+0xd4/0x160
[  350.244752][ T6674]  __se_sys_mount+0x31d/0x420
[  350.244770][ T6674]  ? __pfx___se_sys_mount+0x10/0x10
[  350.244787][ T6674]  ? __x64_sys_mount+0x20/0xc0
[  350.244801][ T6674]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.244814][ T6674]  do_syscall_64+0x174/0x580
[  350.244827][ T6674]  ? trace_irq_disable+0x3b/0x140
[  350.244843][ T6674]  ? clear_bhb_loop+0x40/0x90
[  350.244857][ T6674]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.244869][ T6674] RIP: 0033:0x7fc3dac1e0ca
[  350.244882][ T6674] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  350.244892][ T6674] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.244907][ T6674] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  350.244916][ T6674] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  350.244924][ T6674] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  350.244932][ T6674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  350.244940][ T6674] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  350.244958][ T6674]  </TASK>
[  350.244975][ T6674] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.244984][ T6674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.860978][ T6677] loop1: detected capacity change from 0 to 32768
[  350.868522][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.868547][ T6677] CPU: 0 UID: 0 PID: 6677 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  350.868570][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  350.868581][ T6677] Call Trace:
[  350.868589][ T6677]  <TASK>
[  350.868598][ T6677]  dump_stack_lvl+0xe8/0x150
[  350.868630][ T6677]  sysfs_create_dir_ns+0x271/0x2a0
[  350.868654][ T6677]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  350.868676][ T6677]  ? rt_spin_unlock+0x163/0x200
[  350.868708][ T6677]  kobject_add_internal+0x62c/0xce0
[  350.868744][ T6677]  kobject_init_and_add+0x12b/0x1a0
[  350.868770][ T6677]  ? __pfx_kobject_init_and_add+0x10/0x10
[  350.868796][ T6677]  ? __raw_spin_lock_init+0x45/0x100
[  350.868819][ T6677]  ? __init_swait_queue_head+0xa8/0x150
[  350.868841][ T6677]  gfs2_sys_fs_add+0x257/0x480
2026/06/27 15:39:22 executed programs: 215
[  350.868862][ T6677]  ? is_dynamic_key+0x1aa/0x1c0
[  350.868885][ T6677]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  350.868912][ T6677]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  350.868944][ T6677]  gfs2_fill_super+0x1368/0x20f0
[  350.868972][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.868987][ T6677]  ? rt_spin_unlock+0x157/0x200
[  350.869012][ T6677]  ? sb_set_blocksize+0x11b/0x210
[  350.869035][ T6677]  ? setup_bdev_super+0x4c1/0x5b0
[  350.869062][ T6677]  get_tree_bdev_flags+0x430/0x4f0
[  350.869084][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  350.869102][ T6677]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  350.869140][ T6677]  gfs2_get_tree+0x51/0x1e0
[  350.869164][ T6677]  vfs_get_tree+0x92/0x2a0
[  350.869189][ T6677]  do_new_mount+0x319/0xdc0
[  350.869212][ T6677]  ? __pfx_do_new_mount+0x10/0x10
[  350.869233][ T6677]  ? ns_capable+0x89/0xe0
[  350.869253][ T6677]  ? path_mount+0x647/0x1040
[  350.869274][ T6677]  ? user_path_at+0xd4/0x160
[  350.869297][ T6677]  __se_sys_mount+0x31d/0x420
[  350.869320][ T6677]  ? __pfx___se_sys_mount+0x10/0x10
[  350.869344][ T6677]  ? __x64_sys_mount+0x20/0xc0
[  350.869363][ T6677]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.869380][ T6677]  do_syscall_64+0x174/0x580
[  350.869398][ T6677]  ? trace_irq_disable+0x3b/0x140
[  350.869420][ T6677]  ? clear_bhb_loop+0x40/0x90
[  350.869439][ T6677]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  350.869455][ T6677] RIP: 0033:0x7fc3dac1e0ca
[  350.869471][ T6677] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  350.869485][ T6677] RSP: 002b:00007ffce8e4af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.869504][ T6677] RAX: ffffffffffffffda RBX: 00007ffce8e4afd0 RCX: 00007fc3dac1e0ca
[  350.869516][ T6677] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffce8e4af90
[  350.869528][ T6677] RBP: 000020000001f680 R08: 00007ffce8e4afd0 R09: 0000000000000000
[  350.869539][ T6677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  350.869550][ T6677] R13: 00007ffce8e4af90 R14: 000000000001f7dd R15: 0000200000000380
[  350.869575][ T6677]  </TASK>
[  350.889367][ T6677] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.889390][ T6677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  351.249404][   T39] INFO: task kworker/0:2:201 blocked in I/O[  351.249404][   T39] INFO: task kworker/0:2:201 blocked in I/O wait for more than 143 seconds.
[  351.249434][   T39]       Not tainted syzkaller #0
[  351.249446][   T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  351.249457][   T39] task:kworker/0:2     state:D stack:22528 pid:201   tgid:201   ppid:2      task_flags:0x4208060 flags:0x00080000
[  351.249522][   T39] Workqueue: gfs2_recovery gfs2_recover_func
[  351.249550][   T39] Call Trace:
[  351.249558][   T39]  <TASK>
[  351.249572][   T39]  __schedule+0x1709/0x5530
[  351.249603][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  351.249658][   T39]  ? __pfx___schedule+0x10/0x10
[  351.249690][   T39]  ? schedule+0x90/0x2b0
[  351.249717][   T39]  schedule+0x164/0x2b0
[  351.249742][   T39]  io_schedule+0x7f/0xd0
[  351.249767][   T39]  folio_wait_bit_common+0x83c/0xbc0
[  351.249811][   T39]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  351.249839][   T39]  ? __pfx_wake_page_function+0x10/0x10
[  351.249883][   T39]  gfs2_jhead_process_page+0x17f/0x670
[  351.249923][   T39]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  351.249971][   T39]  gfs2_find_jhead+0xbe0/0xd20
[  351.250025][   T39]  gfs2_recover_func+0x6bd/0x1f00
[  351.250055][   T39]  ? __lock_acquire+0x683/0x2ce0
[  351.250099][   T39]  ? __lock_acquire+0x683/0x2ce0
[  351.250146][   T39]  ? __pfx_gfs2_recover_func+0x10/0x10
[  351.250171][   T39]  ? __lock_acquire+0x683/0x2ce0
[  351.250203][   T39]  ? look_up_lock_class+0x57/0x110
[  351.250230][   T39]  ? register_lock_class+0x31/0x2e0
[  351.250267][   T39]  ? __lock_acquire+0x683/0x2ce0
[  351.250314][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  351.250352][   T39]  ? process_one_work+0x8cd/0x12b0
[  351.250384][   T39]  ? process_one_work+0x8cd/0x12b0
[  351.250406][   T39]  ? rcu_is_watching+0x15/0xb0
[  351.250430][   T39]  ? process_one_work+0x8cd/0x12b0
[  351.250453][   T39]  ? process_one_work+0x8cd/0x12b0
[  351.250475][   T39]  process_one_work+0x93a/0x12b0
[  351.250518][   T39]  ? __pfx_process_one_work+0x10/0x10
[  351.250538][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  351.250573][   T39]  ? assign_work+0x3cf/0x5d0
[  351.250602][   T39]  worker_thread+0xb05/0x10d0
[  351.250637][   T39]  ? __kthread_parkme+0x71/0x1f0
[  351.250675][   T39]  kthread+0x388/0x470
[  351.250704][   T39]  ? __pfx_worker_thread+0x10/0x10
[  351.250727][   T39]  ? __pfx_kthread+0x10/0x10
[  351.250757][   T39]  ret_from_fork+0x514/0xb70
[  351.250791][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  351.250962][   T39]  ? __switch_to+0xc89/0x1420
[  351.250993][   T39]  ? __pfx_kthread+0x10/0x10
[  351.251024][   T39]  ret_from_fork_asm+0x1a/0x30
[  351.251082][   T39]  </TASK>
[  351.251172][   T39] INFO: task syz.0.18:5994 blocked for more than 143 seconds.
[  351.251187][   T39]       Not tainted syzkaller #0
[  351.251199][   T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  351.251210][   T39] task:syz.0.18        state:D stack:24120 pid:5994  tgid:5994  ppid:5834   task_flags:0x400140 flags:0x00080002
[  351.251272][   T39] Call Trace:
[  351.251280][   T39]  <TASK>
[  351.251293][   T39]  __schedule+0x1709/0x5530
[  351.251347][   T39]  ? __pfx___schedule+0x10/0x10
[  351.251367][   T39]  ? schedule+0x90/0x2b0
[  351.251399][   T39]  ? schedule+0x90/0x2b0
[  351.251425][   T39]  schedule+0x164/0x2b0
[  351.251450][   T39]  bit_wait+0x11/0xd0
[  351.251476][   T39]  __wait_on_bit+0xac/0x2f0
[  351.251501][   T39]  ? __pfx_bit_wait+0x10/0x10
[  351.251529][   T39]  out_of_line_wait_on_bit+0x13b/0x190
[  351.251554][   T39]  ? __pfx_bit_wait+0x10/0x10
[  351.251578][   T39]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  351.251607][   T39]  ? __pfx_wake_bit_function+0x10/0x10
[  351.251647][   T39]  gfs2_recover_journal+0xda/0x140
[  351.251672][   T39]  init_journal+0x1af4/0x2330
[  351.251708][   T39]  ? init_inodes+0xdb/0x320
[  351.251737][   T39]  ? __pfx_init_journal+0x10/0x10
[  351.251774][   T39]  ? snprintf+0xe8/0x140
[  351.251808][   T39]  ? init_inodes+0xdb/0x320
[  351.251832][   T39]  ? __pfx_snprintf+0x10/0x10
[  351.251866][   T39]  ? gfs2_glock_nq_num+0x13d/0x170
[  351.251897][   T39]  init_inodes+0xdb/0x320
[  351.251923][   T39]  gfs2_fill_super+0x1982/0x20f0
[  351.251962][   T39]  ? __pfx_gfs2_fill_super+0x10/0x10
[  351.251983][   T39]  ? rt_spin_unlock+0x157/0x200
[  351.252019][   T39]  ? init_locking+0xb8/0x210
[  351.252049][   T39]  ? sb_set_blocksize+0x11b/0x210
[  351.252083][   T39]  ? setup_bdev_super+0x4c1/0x5b0
[  351.252120][   T39]  get_tree_bdev_flags+0x430/0x4f0
[  351.252154][   T39]  ? __pfx_gfs2_fill_super+0x10/0x10
[  351.252177][   T39]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  351.252222][   T39]  gfs2_get_tree+0x51/0x1e0
[  351.252249][   T39]  vfs_get_tree+0x92/0x2a0
[  351.252284][   T39]  do_new_mount+0x319/0xdc0
[  351.252333][   T39]  ? __pfx_do_new_mount+0x10/0x10
[  351.252363][   T39]  ? ns_capable+0x89/0xe0
[  351.252389][   T39]  ? path_mount+0x647/0x1040
[  351.254913][   T39]  ? user_path_at+0xd4/0x160
[  351.254952][   T39]  __se_sys_mount+0x31d/0x420
[  351.254987][   T39]  ? __pfx___se_sys_mount+0x10/0x10
[  351.255022][   T39]  ? __x64_sys_mount+0x20/0xc0
[  351.255057][   T39]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.255081][   T39]  do_syscall_64+0x174/0x580
[  351.255106][   T39]  ? trace_irq_disable+0x3b/0x140
[  351.255137][   T39]  ? clear_bhb_loop+0x40/0x90
[  351.255164][   T39]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.255186][   T39] RIP: 0033:0x7f8d2df4e0ca
[  351.255206][   T39] RSP: 002b:00007ffdffcc0ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  351.255229][   T39] RAX: ffffffffffffffda RBX: 00007ffdffcc0d30 RCX: 00007f8d2df4e0ca
[  351.255246][   T39] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffdffcc0cf0
[  351.255262][   T39] RBP: 000020000001f680 R08: 00007ffdffcc0d30 R09: 0000000000000000
[  351.255277][   T39] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[  351.255293][   T39] R13: 00007ffdffcc0cf0 R14: 000000000001f7dd R15: 0000200000000380
[  351.255328][   T39]  </TASK>
[  351.255347][   T39] 
[  351.255347][   T39] Showing all locks held in the system:
[  351.255359][   T39] 1 lock held by khungtaskd/39:
[  351.255373][   T39]  #0: ffffffff8dfc3080 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  351.255444][   T39] 2 locks held by kworker/0:2/201:
[  351.255457][   T39]  #0: ffff88801ef6c938 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x8cd/0x12b0
[  351.255508][   T39]  #1: ffffc90003a7fc60 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x8cd/0x12b0
[  351.255578][   T39] 2 locks held by getty/5365:
[  351.255590][   T39]  #0: ffff888035eb40a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  351.255645][   T39]  #1: ffffc90003cb62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360
[  351.255699][   T39] 1 lock held by syz.0.18/5994:
[  351.255711][   T39]  #0: ffff88803a6720d0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: sget_fc+0x938/0x1910
[  351.255777][   T39] 1 lock held by udevd/6000:
[  351.255789][   T39]  #0: ffff88805c25c670 (&sb->s_type->i_lock_key){+.+.}-{3:3}, at: filemap_remove_folio+0xdb/0x3a0
[  351.255841][   T39] 1 lock held by syz.1.230/6680:
[  351.255853][   T39]  #0: ffff8880400f7948 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500
[  351.255910][   T39] 
[  351.255916][   T39] =============================================
[  351.255916][   T39] 
[  351.255926][   T39] NMI backtrace for cpu 1
[  351.255941][   T39] CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  351.255964][   T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  351.255977][   T39] Call Trace:
[  351.255986][   T39]  <TASK>
[  351.255995][   T39]  dump_stack_lvl+0xe8/0x150
[  351.256024][   T39]  nmi_cpu_backtrace+0x274/0x2d0
[  351.256064][   T39]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  351.256096][   T39]  nmi_trigger_cpumask_backtrace+0x17a/0x380
[  351.256131][   T39]  sys_info+0x135/0x170
[  351.256158][   T39]  watchdog+0xfd7/0x1030
[  351.256196][   T39]  ? watchdog+0x1c7/0x1030
[  351.256231][   T39]  kthread+0x388/0x470
[  351.256260][   T39]  ? __pfx_watchdog+0x10/0x10
[  351.256287][   T39]  ? __pfx_kthread+0x10/0x10
[  351.256315][   T39]  ret_from_fork+0x514/0xb70
[  351.256351][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  351.256381][   T39]  ? __switch_to+0xc89/0x1420
[  351.256409][   T39]  ? __pfx_kthread+0x10/0x10
[  351.256439][   T39]  ret_from_fork_asm+0x1a/0x30
[  351.256485][   T39]  </TASK>
[  351.256511][   T39] Sending NMI from CPU 1 to CPUs 0:
[  351.256546][    C0] NMI backtrace for cpu 0
[  351.256563][    C0] CPU: 0 UID: 0 PID: 6000 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  351.256582][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  351.256592][    C0] RIP: 0010:free_frozen_page_commit+0x400/0x1850
[  351.256618][    C0] Code: 39 c5 7e 26 41 83 fc 20 0f 83 65 0e 00 00 45 31 e4 4c 89 c8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 84 0e 00 00 66 45 01 29 eb 03 <45> 31 e4 41 b5 01 f6 44 24 10 04 0f 85 8c 0b 00 00 49 8d bf 88 00
[  351.256633][    C0] RSP: 0000:ffffc90003d2f470 EFLAGS: 00000246
[  351.256649][    C0] RAX: 00000000000007e0 RBX: 1ffff110170c85ea RCX: ffffea00018bc390
[  351.256662][    C0] RDX: dffffc0000000000 RSI: 000000000000003f RDI: ffffea00018bc3c8
[  351.256674][    C0] RBP: 00000000000007e0 R08: ffff8880b8642f40 R09: ffff8880b8642f58
[  351.256686][    C0] R10: dffffc0000000000 R11: fffffbfff1f192bf R12: 0000000000000000
[  351.256699][    C0] R13: 0000000000000001 R14: ffff8880b8642f54 R15: ffff8880b8642ec0
[  351.256711][    C0] FS:  00007f5e58a07880(0000) GS:ffff888125eca000(0000) knlGS:0000000000000000
[  351.256726][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  351.256739][    C0] CR2: 00007fc3daccb945 CR3: 000000001e2d6000 CR4: 00000000003526f0
[  351.256756][    C0] Call Trace:
[  351.256763][    C0]  <TASK>
[  351.256771][    C0]  ? rt_spin_trylock+0x13a/0x2b0
[  351.256797][    C0]  free_unref_folios+0x1294/0x19f0
[  351.256824][    C0]  folios_put_refs+0x815/0x920
[  351.256852][    C0]  ? __pfx_folios_put_refs+0x10/0x10
[  351.256876][    C0]  ? folio_batch_remove_exceptionals+0x183/0x1f0
[  351.256902][    C0]  shmem_undo_range+0x4e6/0x15d0
[  351.256925][    C0]  ? __pfx_shmem_undo_range+0x10/0x10
[  351.256954][    C0]  ? __lock_acquire+0x683/0x2ce0
[  351.256996][    C0]  ? do_raw_spin_lock+0x12b/0x2f0
[  351.257022][    C0]  shmem_evict_inode+0x280/0xa80
[  351.257042][    C0]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  351.257061][    C0]  ? rt_mutex_slowunlock+0x4ee/0xa20
[  351.257086][    C0]  ? __pfx_shmem_evict_inode+0x10/0x10
[  351.257111][    C0]  ? rt_spin_unlock+0x157/0x200
[  351.257135][    C0]  ? rt_spin_unlock+0x163/0x200
[  351.257158][    C0]  ? __pfx_shmem_evict_inode+0x10/0x10
[  351.257179][    C0]  evict+0x624/0xb50
[  351.257197][    C0]  ? __pfx_evict+0x10/0x10
[  351.257214][    C0]  ? rt_spin_unlock+0x163/0x200
[  351.257238][    C0]  ? iput+0xb84/0xf00
[  351.257260][    C0]  dentry_kill+0x1b9/0x880
[  351.257278][    C0]  finish_dput+0x1a/0x260
[  351.257300][    C0]  __fput+0x699/0xa80
[  351.257322][    C0]  task_work_run+0x1d9/0x270
[  351.257346][    C0]  ? __pfx_task_work_run+0x10/0x10
[  351.257368][    C0]  ? fput_close_sync+0x11f/0x240
[  351.257391][    C0]  exit_to_user_mode_loop+0x1fa/0x730
[  351.257414][    C0]  ? rcu_is_watching+0x15/0xb0
[  351.257433][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.257451][    C0]  do_syscall_64+0x353/0x580
[  351.257469][    C0]  ? clear_bhb_loop+0x40/0x90
[  351.257488][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  351.257505][    C0] RIP: 0033:0x7f5e58af5407
[  351.257519][    C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  351.257540][    C0] RSP: 002b:00007fff7fd99070 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[  351.257557][    C0] RAX: 0000000000000000 RBX: 00007f5e58a07880 RCX: 00007f5e58af5407
[  351.257569][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
[  351.257579][    C0] RBP: 00007f5e58a076e8 R08: 0000000000000000 R09: 0000000000000000
[  351.257591][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  351.257601][    C0] R13: 00005606eecef190 R14: 0000000000000008 R15: 00005606eecf4e20
[  351.257621][    C0]  </TASK>
[  351.264163][   T39] Kernel panic - not syncing: hung_task: blocked tasks
[  351.264184][   T39] CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  351.264206][   T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  351.264218][   T39] Call Trace:
[  351.264226][   T39]  <TASK>
[  351.264234][   T39]  vpanic+0x56c/0xa60
[  351.264263][   T39]  ? __pfx___schedule+0x10/0x10
[  351.264284][   T39]  ? __pfx_vpanic+0x10/0x10
[  351.264317][   T39]  panic+0xc5/0xd0
[  351.264340][   T39]  ? __pfx_panic+0x10/0x10
[  351.264362][   T39]  ? preempt_schedule_common+0x82/0xd0
[  351.264383][   T39]  ? preempt_schedule_thunk+0x16/0x40
[  351.264403][   T39]  ? nmi_trigger_cpumask_backtrace+0x314/0x380
[  351.264437][   T39]  ? nmi_trigger_cpumask_backtrace+0x319/0x380
[  351.264468][   T39]  watchdog+0x1030/0x1030
[  351.264501][   T39]  ? watchdog+0x1c7/0x1030
[  351.264531][   T39]  kthread+0x388/0x470
[  351.264555][   T39]  ? __pfx_watchdog+0x10/0x10
[  351.264578][   T39]  ? __pfx_kthread+0x10/0x10
[  351.264603][   T39]  ret_from_fork+0x514/0xb70
[  351.264631][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  351.264655][   T39]  ? __switch_to+0xc89/0x1420
[  351.264679][   T39]  ? __pfx_kthread+0x10/0x10
[  351.264703][   T39]  ret_from_fork_asm+0x1a/0x30
[  351.264741][   T39]  </TASK>
[  351.264890][   T39] Kernel Offset: disabled