774050][ T7027]  __se_sys_mount+0x313/0x410
[  237.774066][ T7027]  ? __pfx___se_sys_mount+0x10/0x10
[  237.774082][ T7027]  ? do_syscall_64+0xbe/0xfa0
[  237.774092][ T7027]  ? __x64_sys_mount+0x20/0xc0
[  237.774106][ T7027]  do_syscall_64+0xfa/0xfa0
[  237.774117][ T7027]  ? lockdep_hardirqs_on+0x9c/0x150
[  237.774129][ T7027]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.774138][ T7027]  ? clear_bhb_loop+0x60/0xb0
[  237.774151][ T7027]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.774165][ T7027] RIP: 0033:0x7facde59038a
[  237.774176][ T7027] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.774184][ T7027] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.774196][ T7027] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  237.774204][ T7027] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  237.774211][ T7027] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  237.774218][ T7027] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  237.774224][ T7027] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  237.774241][ T7027]  </TASK>
[  237.774260][ T7027] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.100537][ T7027] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.431371][ T7032] loop1: detected capacity change from 0 to 32768
[  238.446465][ T7032] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.453877][ T7032] CPU: 1 UID: 0 PID: 7032 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full) 
[  238.453903][ T7032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  238.453914][ T7032] Call Trace:
[  238.453921][ T7032]  <TASK>
[  238.453930][ T7032]  dump_stack_lvl+0x189/0x250
[  238.453957][ T7032]  ? __pfx_dump_stack_lvl+0x10/0x10
[  238.453976][ T7032]  ? __pfx__printk+0x10/0x10
[  238.454001][ T7032]  ? kernfs_path_from_node+0x250/0x290
[  238.454018][ T7032]  ? kernfs_path_from_node+0x2f/0x290
[  238.454040][ T7032]  sysfs_create_dir_ns+0x259/0x280
[  238.454061][ T7032]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  238.454082][ T7032]  ? do_raw_spin_unlock+0x122/0x240
[  238.454106][ T7032]  kobject_add_internal+0x59f/0xb40
[  238.454147][ T7032]  kobject_init_and_add+0x125/0x190
[  238.454175][ T7032]  ? __pfx_kobject_init_and_add+0x10/0x10
[  238.454199][ T7032]  ? __raw_spin_lock_init+0x45/0x100
[  238.454219][ T7032]  ? __init_swait_queue_head+0xa9/0x150
[  238.454243][ T7032]  gfs2_sys_fs_add+0x234/0x450
[  238.454271][ T7032]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  238.454301][ T7032]  ? is_dynamic_key+0xd6/0x1c0
[  238.454323][ T7032]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  238.454358][ T7032]  gfs2_fill_super+0x13e8/0x2230
[  238.454394][ T7032]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.454420][ T7032]  ? sb_set_blocksize+0x104/0x180
[  238.454445][ T7032]  ? setup_bdev_super+0x4c1/0x5b0
[  238.454469][ T7032]  get_tree_bdev_flags+0x40e/0x4d0
[  238.454491][ T7032]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.454511][ T7032]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  238.454530][ T7032]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  238.454564][ T7032]  gfs2_get_tree+0x51/0x1e0
[  238.454587][ T7032]  vfs_get_tree+0x92/0x2b0
[  238.454611][ T7032]  do_new_mount+0x302/0xa10
[  238.454631][ T7032]  ? apparmor_capable+0x137/0x1b0
[  238.454661][ T7032]  ? __pfx_do_new_mount+0x10/0x10
[  238.454684][ T7032]  ? ns_capable+0x8a/0xf0
[  238.454710][ T7032]  ? kmem_cache_free+0x19b/0x690
[  238.454743][ T7032]  __se_sys_mount+0x313/0x410
[  238.454769][ T7032]  ? __pfx___se_sys_mount+0x10/0x10
[  238.454796][ T7032]  ? do_syscall_64+0xbe/0xfa0
[  238.454815][ T7032]  ? __x64_sys_mount+0x20/0xc0
[  238.454840][ T7032]  do_syscall_64+0xfa/0xfa0
[  238.454858][ T7032]  ? lockdep_hardirqs_on+0x9c/0x150
[  238.454877][ T7032]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.454895][ T7032]  ? clear_bhb_loop+0x60/0xb0
[  238.454917][ T7032]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.454934][ T7032] RIP: 0033:0x7facde59038a
[  238.454951][ T7032] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.454968][ T7032] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.454988][ T7032] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  238.455002][ T7032] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  238.455016][ T7032] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  238.455028][ T7032] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  238.455040][ T7032] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  238.455070][ T7032]  </TASK>
[  238.773161][ T7032] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.797714][ T7032] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.136003][ T7037] loop1: detected capacity change from 0 to 32768
[  239.157108][ T7037] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.165048][ T7037] CPU: 1 UID: 0 PID: 7037 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) 
[  239.165072][ T7037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  239.165083][ T7037] Call Trace:
[  239.165090][ T7037]  <TASK>
[  239.165099][ T7037]  dump_stack_lvl+0x189/0x250
[  239.165126][ T7037]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.165146][ T7037]  ? __pfx__printk+0x10/0x10
[  239.165170][ T7037]  ? kernfs_path_from_node+0x250/0x290
[  239.165187][ T7037]  ? kernfs_path_from_node+0x2f/0x290
[  239.165209][ T7037]  sysfs_create_dir_ns+0x259/0x280
[  239.165231][ T7037]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  239.165253][ T7037]  ? do_raw_spin_unlock+0x122/0x240
[  239.165279][ T7037]  kobject_add_internal+0x59f/0xb40
[  239.165319][ T7037]  kobject_init_and_add+0x125/0x190
[  239.165348][ T7037]  ? __pfx_kobject_init_and_add+0x10/0x10
[  239.165372][ T7037]  ? __raw_spin_lock_init+0x45/0x100
[  239.165393][ T7037]  ? __init_swait_queue_head+0xa9/0x150
[  239.165415][ T7037]  gfs2_sys_fs_add+0x234/0x450
[  239.165444][ T7037]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  239.165475][ T7037]  ? is_dynamic_key+0xd6/0x1c0
[  239.165497][ T7037]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  239.165531][ T7037]  gfs2_fill_super+0x13e8/0x2230
[  239.165567][ T7037]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.165592][ T7037]  ? sb_set_blocksize+0x104/0x180
[  239.165616][ T7037]  ? setup_bdev_super+0x4c1/0x5b0
[  239.165642][ T7037]  get_tree_bdev_flags+0x40e/0x4d0
[  239.165665][ T7037]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.165686][ T7037]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.165705][ T7037]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  239.165740][ T7037]  gfs2_get_tree+0x51/0x1e0
[  239.165764][ T7037]  vfs_get_tree+0x92/0x2b0
[  239.165787][ T7037]  do_new_mount+0x302/0xa10
[  239.165808][ T7037]  ? apparmor_capable+0x137/0x1b0
[  239.165838][ T7037]  ? __pfx_do_new_mount+0x10/0x10
[  239.165861][ T7037]  ? ns_capable+0x8a/0xf0
[  239.165887][ T7037]  ? kmem_cache_free+0x19b/0x690
[  239.165917][ T7037]  __se_sys_mount+0x313/0x410
[  239.165945][ T7037]  ? __pfx___se_sys_mount+0x10/0x10
[  239.165972][ T7037]  ? do_syscall_64+0xbe/0xfa0
[  239.165991][ T7037]  ? __x64_sys_mount+0x20/0xc0
[  239.166016][ T7037]  do_syscall_64+0xfa/0xfa0
[  239.166035][ T7037]  ? lockdep_hardirqs_on+0x9c/0x150
[  239.166054][ T7037]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.166073][ T7037]  ? clear_bhb_loop+0x60/0xb0
[  239.166093][ T7037]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.166111][ T7037] RIP: 0033:0x7facde59038a
[  239.166127][ T7037] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.166142][ T7037] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.166160][ T7037] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  239.166173][ T7037] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  239.166186][ T7037] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  239.166199][ T7037] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  239.166211][ T7037] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  239.166242][ T7037]  </TASK>
[  239.166266][ T7037] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.492717][ T7037] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/17 12:23:00 executed programs: 139
[  239.831691][ T7043] loop1: detected capacity change from 0 to 32768
[  239.846317][ T7043] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.853792][ T7043] CPU: 0 UID: 0 PID: 7043 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) 
[  239.853816][ T7043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  239.853827][ T7043] Call Trace:
[  239.853836][ T7043]  <TASK>
[  239.853843][ T7043]  dump_stack_lvl+0x189/0x250
[  239.853870][ T7043]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.853889][ T7043]  ? __pfx__printk+0x10/0x10
[  239.853911][ T7043]  ? kernfs_path_from_node+0x250/0x290
[  239.853987][ T7043]  ? kernfs_path_from_node+0x2f/0x290
[  239.854009][ T7043]  sysfs_create_dir_ns+0x259/0x280
[  239.854030][ T7043]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  239.854050][ T7043]  ? do_raw_spin_unlock+0x122/0x240
[  239.854073][ T7043]  kobject_add_internal+0x59f/0xb40
[  239.854101][ T7043]  kobject_init_and_add+0x125/0x190
[  239.854127][ T7043]  ? __pfx_kobject_init_and_add+0x10/0x10
[  239.854151][ T7043]  ? __raw_spin_lock_init+0x45/0x100
[  239.854171][ T7043]  ? __init_swait_queue_head+0xa9/0x150
[  239.854193][ T7043]  gfs2_sys_fs_add+0x234/0x450
[  239.854220][ T7043]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  239.854250][ T7043]  ? is_dynamic_key+0xd6/0x1c0
[  239.854270][ T7043]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  239.854302][ T7043]  gfs2_fill_super+0x13e8/0x2230
[  239.854337][ T7043]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.854362][ T7043]  ? sb_set_blocksize+0x104/0x180
[  239.854386][ T7043]  ? setup_bdev_super+0x4c1/0x5b0
[  239.854410][ T7043]  get_tree_bdev_flags+0x40e/0x4d0
[  239.854431][ T7043]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.854452][ T7043]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.854472][ T7043]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  239.854507][ T7043]  gfs2_get_tree+0x51/0x1e0
[  239.854530][ T7043]  vfs_get_tree+0x92/0x2b0
[  239.854553][ T7043]  do_new_mount+0x302/0xa10
[  239.854573][ T7043]  ? apparmor_capable+0x137/0x1b0
[  239.854603][ T7043]  ? __pfx_do_new_mount+0x10/0x10
[  239.854625][ T7043]  ? ns_capable+0x8a/0xf0
[  239.854650][ T7043]  ? kmem_cache_free+0x19b/0x690
[  239.854681][ T7043]  __se_sys_mount+0x313/0x410
[  239.854718][ T7043]  ? __pfx___se_sys_mount+0x10/0x10
[  239.854743][ T7043]  ? do_syscall_64+0xbe/0xfa0
[  239.854761][ T7043]  ? __x64_sys_mount+0x20/0xc0
[  239.854784][ T7043]  do_syscall_64+0xfa/0xfa0
[  239.854802][ T7043]  ? lockdep_hardirqs_on+0x9c/0x150
[  239.854821][ T7043]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.854839][ T7043]  ? clear_bhb_loop+0x60/0xb0
[  239.854860][ T7043]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.854877][ T7043] RIP: 0033:0x7facde59038a
[  239.854893][ T7043] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.854908][ T7043] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.854936][ T7043] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  239.854949][ T7043] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  239.854962][ T7043] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  239.854975][ T7043] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  239.854987][ T7043] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  239.855017][ T7043]  </TASK>
[  240.165821][ T7043] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.179801][ T7043] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.516062][ T7047] loop1: detected capacity change from 0 to 32768
[  240.539443][ T7047] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.547175][ T7047] CPU: 1 UID: 0 PID: 7047 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) 
[  240.547199][ T7047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  240.547209][ T7047] Call Trace:
[  240.547218][ T7047]  <TASK>
[  240.547226][ T7047]  dump_stack_lvl+0x189/0x250
[  240.547254][ T7047]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.547274][ T7047]  ? __pfx__printk+0x10/0x10
[  240.547299][ T7047]  ? kernfs_path_from_node+0x250/0x290
[  240.547317][ T7047]  ? kernfs_path_from_node+0x2f/0x290
[  240.547339][ T7047]  sysfs_create_dir_ns+0x259/0x280
[  240.547360][ T7047]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.547381][ T7047]  ? do_raw_spin_unlock+0x122/0x240
[  240.547406][ T7047]  kobject_add_internal+0x59f/0xb40
[  240.547437][ T7047]  kobject_init_and_add+0x125/0x190
[  240.547464][ T7047]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.547488][ T7047]  ? __raw_spin_lock_init+0x45/0x100
[  240.547510][ T7047]  ? __init_swait_queue_head+0xa9/0x150
[  240.547534][ T7047]  gfs2_sys_fs_add+0x234/0x450
[  240.547563][ T7047]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.547594][ T7047]  ? is_dynamic_key+0xd6/0x1c0
[  240.547615][ T7047]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.547649][ T7047]  gfs2_fill_super+0x13e8/0x2230
[  240.547684][ T7047]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.547710][ T7047]  ? sb_set_blocksize+0x104/0x180
[  240.547734][ T7047]  ? setup_bdev_super+0x4c1/0x5b0
[  240.547759][ T7047]  get_tree_bdev_flags+0x40e/0x4d0
[  240.547780][ T7047]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.547800][ T7047]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.547820][ T7047]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  240.547864][ T7047]  gfs2_get_tree+0x51/0x1e0
[  240.547888][ T7047]  vfs_get_tree+0x92/0x2b0
[  240.547912][ T7047]  do_new_mount+0x302/0xa10
[  240.547933][ T7047]  ? apparmor_capable+0x137/0x1b0
[  240.547963][ T7047]  ? __pfx_do_new_mount+0x10/0x10
[  240.547984][ T7047]  ? ns_capable+0x8a/0xf0
[  240.548010][ T7047]  ? kmem_cache_free+0x19b/0x690
[  240.548043][ T7047]  __se_sys_mount+0x313/0x410
[  240.548072][ T7047]  ? __pfx___se_sys_mount+0x10/0x10
[  240.548099][ T7047]  ? do_syscall_64+0xbe/0xfa0
[  240.548118][ T7047]  ? __x64_sys_mount+0x20/0xc0
[  240.548142][ T7047]  do_syscall_64+0xfa/0xfa0
[  240.548161][ T7047]  ? lockdep_hardirqs_on+0x9c/0x150
[  240.548180][ T7047]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.548198][ T7047]  ? clear_bhb_loop+0x60/0xb0
[  240.548220][ T7047]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.548236][ T7047] RIP: 0033:0x7facde59038a
[  240.548252][ T7047] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.548268][ T7047] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.548287][ T7047] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  240.548300][ T7047] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  240.548314][ T7047] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  240.548326][ T7047] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  240.548339][ T7047] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  240.548369][ T7047]  </TASK>
[  240.548395][ T7047] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.875689][ T7047] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.240235][ T7051] loop1: detected capacity change from 0 to 32768
[  241.253411][ T7051] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.260981][ T7051] CPU: 1 UID: 0 PID: 7051 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) 
[  241.261003][ T7051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  241.261013][ T7051] Call Trace:
[  241.261021][ T7051]  <TASK>
[  241.261028][ T7051]  dump_stack_lvl+0x189/0x250
[  241.261053][ T7051]  ? __pfx_dump_stack_lvl+0x10/0x10
[  241.261070][ T7051]  ? __pfx__printk+0x10/0x10
[  241.261093][ T7051]  ? kernfs_path_from_node+0x250/0x290
[  241.261111][ T7051]  ? kernfs_path_from_node+0x2f/0x290
[  241.261133][ T7051]  sysfs_create_dir_ns+0x259/0x280
[  241.261155][ T7051]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.261176][ T7051]  ? do_raw_spin_unlock+0x122/0x240
[  241.261200][ T7051]  kobject_add_internal+0x59f/0xb40
[  241.261231][ T7051]  kobject_init_and_add+0x125/0x190
[  241.261261][ T7051]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.261287][ T7051]  ? __raw_spin_lock_init+0x45/0x100
[  241.261309][ T7051]  ? __init_swait_queue_head+0xa9/0x150
[  241.261332][ T7051]  gfs2_sys_fs_add+0x234/0x450
[  241.261362][ T7051]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.261393][ T7051]  ? is_dynamic_key+0xd6/0x1c0
[  241.261414][ T7051]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.261449][ T7051]  gfs2_fill_super+0x13e8/0x2230
[  241.261485][ T7051]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.261510][ T7051]  ? sb_set_blocksize+0x104/0x180
[  241.261536][ T7051]  ? setup_bdev_super+0x4c1/0x5b0
[  241.261560][ T7051]  get_tree_bdev_flags+0x40e/0x4d0
[  241.261583][ T7051]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.261603][ T7051]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.261622][ T7051]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  241.261657][ T7051]  gfs2_get_tree+0x51/0x1e0
[  241.261681][ T7051]  vfs_get_tree+0x92/0x2b0
[  241.261705][ T7051]  do_new_mount+0x302/0xa10
[  241.261726][ T7051]  ? apparmor_capable+0x137/0x1b0
[  241.261756][ T7051]  ? __pfx_do_new_mount+0x10/0x10
[  241.261778][ T7051]  ? ns_capable+0x8a/0xf0
[  241.261804][ T7051]  ? kmem_cache_free+0x19b/0x690
[  241.261845][ T7051]  __se_sys_mount+0x313/0x410
[  241.261874][ T7051]  ? __pfx___se_sys_mount+0x10/0x10
[  241.261900][ T7051]  ? do_syscall_64+0xbe/0xfa0
[  241.261919][ T7051]  ? __x64_sys_mount+0x20/0xc0
[  241.261944][ T7051]  do_syscall_64+0xfa/0xfa0
[  241.261962][ T7051]  ? lockdep_hardirqs_on+0x9c/0x150
[  241.261982][ T7051]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.262000][ T7051]  ? clear_bhb_loop+0x60/0xb0
[  241.262021][ T7051]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.262038][ T7051] RIP: 0033:0x7facde59038a
[  241.262055][ T7051] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.262069][ T7051] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.262088][ T7051] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  241.262101][ T7051] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  241.262114][ T7051] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  241.262126][ T7051] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.262138][ T7051] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  241.262165][ T7051]  </TASK>
[  241.262192][ T7051] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.589761][ T7051] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.925911][ T7055] loop1: detected capacity change from 0 to 32768
[  241.949554][ T7055] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.957107][ T7055] CPU: 1 UID: 0 PID: 7055 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) 
[  241.957131][ T7055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  241.957142][ T7055] Call Trace:
[  241.957150][ T7055]  <TASK>
[  241.957159][ T7055]  dump_stack_lvl+0x189/0x250
[  241.957187][ T7055]  ? __pfx_dump_stack_lvl+0x10/0x10
[  241.957207][ T7055]  ? __pfx__printk+0x10/0x10
[  241.957230][ T7055]  ? kernfs_path_from_node+0x250/0x290
[  241.957248][ T7055]  ? kernfs_path_from_node+0x2f/0x290
[  241.957271][ T7055]  sysfs_create_dir_ns+0x259/0x280
[  241.957293][ T7055]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  241.957314][ T7055]  ? do_raw_spin_unlock+0x122/0x240
[  241.957337][ T7055]  kobject_add_internal+0x59f/0xb40
[  241.957369][ T7055]  kobject_init_and_add+0x125/0x190
[  241.957398][ T7055]  ? __pfx_kobject_init_and_add+0x10/0x10
[  241.957423][ T7055]  ? __raw_spin_lock_init+0x45/0x100
[  241.957444][ T7055]  ? __init_swait_queue_head+0xa9/0x150
[  241.957468][ T7055]  gfs2_sys_fs_add+0x234/0x450
[  241.957496][ T7055]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  241.957526][ T7055]  ? is_dynamic_key+0xd6/0x1c0
[  241.957548][ T7055]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  241.957582][ T7055]  gfs2_fill_super+0x13e8/0x2230
[  241.957617][ T7055]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.957643][ T7055]  ? sb_set_blocksize+0x104/0x180
[  241.957668][ T7055]  ? setup_bdev_super+0x4c1/0x5b0
[  241.957693][ T7055]  get_tree_bdev_flags+0x40e/0x4d0
[  241.957715][ T7055]  ? __pfx_gfs2_fill_super+0x10/0x10
[  241.957745][ T7055]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  241.957764][ T7055]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  241.957800][ T7055]  gfs2_get_tree+0x51/0x1e0
[  241.957824][ T7055]  vfs_get_tree+0x92/0x2b0
[  241.957848][ T7055]  do_new_mount+0x302/0xa10
[  241.957867][ T7055]  ? apparmor_capable+0x137/0x1b0
[  241.957898][ T7055]  ? __pfx_do_new_mount+0x10/0x10
[  241.957920][ T7055]  ? ns_capable+0x8a/0xf0
[  241.957947][ T7055]  ? kmem_cache_free+0x19b/0x690
[  241.957980][ T7055]  __se_sys_mount+0x313/0x410
[  241.958009][ T7055]  ? __pfx___se_sys_mount+0x10/0x10
[  241.958034][ T7055]  ? do_syscall_64+0xbe/0xfa0
[  241.958053][ T7055]  ? __x64_sys_mount+0x20/0xc0
[  241.958077][ T7055]  do_syscall_64+0xfa/0xfa0
[  241.958095][ T7055]  ? lockdep_hardirqs_on+0x9c/0x150
[  241.958115][ T7055]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.958133][ T7055]  ? clear_bhb_loop+0x60/0xb0
[  241.958154][ T7055]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  241.958170][ T7055] RIP: 0033:0x7facde59038a
[  241.958188][ T7055] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.958203][ T7055] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.958223][ T7055] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  241.958236][ T7055] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  241.958250][ T7055] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  241.958262][ T7055] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  241.958274][ T7055] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  241.958312][ T7055]  </TASK>
[  241.958337][ T7055] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.285714][ T7055] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.611456][ T7059] loop1: detected capacity change from 0 to 32768
[  242.631219][ T7059] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.640449][ T7059] CPU: 0 UID: 0 PID: 7059 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) 
[  242.640473][ T7059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  242.640484][ T7059] Call Trace:
[  242.640492][ T7059]  <TASK>
[  242.640500][ T7059]  dump_stack_lvl+0x189/0x250
[  242.640527][ T7059]  ? __pfx_dump_stack_lvl+0x10/0x10
[  242.640546][ T7059]  ? __pfx__printk+0x10/0x10
[  242.640571][ T7059]  ? kernfs_path_from_node+0x250/0x290
[  242.640590][ T7059]  ? kernfs_path_from_node+0x2f/0x290
[  242.640613][ T7059]  sysfs_create_dir_ns+0x259/0x280
[  242.640634][ T7059]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  242.640655][ T7059]  ? do_raw_spin_unlock+0x122/0x240
[  242.640679][ T7059]  kobject_add_internal+0x59f/0xb40
[  242.640711][ T7059]  kobject_init_and_add+0x125/0x190
[  242.640740][ T7059]  ? __pfx_kobject_init_and_add+0x10/0x10
[  242.640763][ T7059]  ? __raw_spin_lock_init+0x45/0x100
[  242.640785][ T7059]  ? __init_swait_queue_head+0xa9/0x150
[  242.640808][ T7059]  gfs2_sys_fs_add+0x234/0x450
[  242.640836][ T7059]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  242.640867][ T7059]  ? is_dynamic_key+0xd6/0x1c0
[  242.640889][ T7059]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  242.640929][ T7059]  gfs2_fill_super+0x13e8/0x2230
[  242.640966][ T7059]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.640992][ T7059]  ? sb_set_blocksize+0x104/0x180
[  242.641016][ T7059]  ? setup_bdev_super+0x4c1/0x5b0
[  242.641042][ T7059]  get_tree_bdev_flags+0x40e/0x4d0
[  242.641063][ T7059]  ? __pfx_gfs2_fill_super+0x10/0x10
[  242.641084][ T7059]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  242.641103][ T7059]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  242.641138][ T7059]  gfs2_get_tree+0x51/0x1e0
[  242.641162][ T7059]  vfs_get_tree+0x92/0x2b0
[  242.641186][ T7059]  do_new_mount+0x302/0xa10
[  242.641206][ T7059]  ? apparmor_capable+0x137/0x1b0
[  242.641237][ T7059]  ? __pfx_do_new_mount+0x10/0x10
[  242.641260][ T7059]  ? ns_capable+0x8a/0xf0
[  242.641286][ T7059]  ? kmem_cache_free+0x19b/0x690
[  242.641318][ T7059]  __se_sys_mount+0x313/0x410
[  242.641347][ T7059]  ? __pfx___se_sys_mount+0x10/0x10
[  242.641374][ T7059]  ? do_syscall_64+0xbe/0xfa0
[  242.641392][ T7059]  ? __x64_sys_mount+0x20/0xc0
[  242.641417][ T7059]  do_syscall_64+0xfa/0xfa0
[  242.641435][ T7059]  ? lockdep_hardirqs_on+0x9c/0x150
[  242.641455][ T7059]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.641473][ T7059]  ? clear_bhb_loop+0x60/0xb0
[  242.641494][ T7059]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  242.641511][ T7059] RIP: 0033:0x7facde59038a
[  242.641528][ T7059] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.641543][ T7059] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.641563][ T7059] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  242.641576][ T7059] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  242.641590][ T7059] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  242.641603][ T7059] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  242.641615][ T7059] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  242.641646][ T7059]  </TASK>
[  242.641669][ T7059] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.968499][ T7059] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.293676][ T7063] loop1: detected capacity change from 0 to 32768
[  243.308293][ T7063] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.316190][ T7063] CPU: 0 UID: 0 PID: 7063 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) 
[  243.316213][ T7063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  243.316224][ T7063] Call Trace:
[  243.316232][ T7063]  <TASK>
[  243.316241][ T7063]  dump_stack_lvl+0x189/0x250
[  243.316269][ T7063]  ? __pfx_dump_stack_lvl+0x10/0x10
[  243.316288][ T7063]  ? __pfx__printk+0x10/0x10
[  243.316313][ T7063]  ? kernfs_path_from_node+0x250/0x290
[  243.316331][ T7063]  ? kernfs_path_from_node+0x2f/0x290
[  243.316354][ T7063]  sysfs_create_dir_ns+0x259/0x280
[  243.316375][ T7063]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  243.316397][ T7063]  ? do_raw_spin_unlock+0x122/0x240
[  243.316421][ T7063]  kobject_add_internal+0x59f/0xb40
[  243.316453][ T7063]  kobject_init_and_add+0x125/0x190
[  243.316481][ T7063]  ? __pfx_kobject_init_and_add+0x10/0x10
[  243.316506][ T7063]  ? __raw_spin_lock_init+0x45/0x100
[  243.316527][ T7063]  ? __init_swait_queue_head+0xa9/0x150
[  243.316551][ T7063]  gfs2_sys_fs_add+0x234/0x450
[  243.316578][ T7063]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  243.316657][ T7063]  ? is_dynamic_key+0xd6/0x1c0
[  243.316678][ T7063]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  243.316712][ T7063]  gfs2_fill_super+0x13e8/0x2230
[  243.316749][ T7063]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.316774][ T7063]  ? sb_set_blocksize+0x104/0x180
[  243.316799][ T7063]  ? setup_bdev_super+0x4c1/0x5b0
[  243.316824][ T7063]  get_tree_bdev_flags+0x40e/0x4d0
[  243.316846][ T7063]  ? __pfx_gfs2_fill_super+0x10/0x10
[  243.316866][ T7063]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  243.316885][ T7063]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  243.316921][ T7063]  gfs2_get_tree+0x51/0x1e0
[  243.316944][ T7063]  vfs_get_tree+0x92/0x2b0
[  243.316968][ T7063]  do_new_mount+0x302/0xa10
[  243.316989][ T7063]  ? apparmor_capable+0x137/0x1b0
[  243.317019][ T7063]  ? __pfx_do_new_mount+0x10/0x10
[  243.317042][ T7063]  ? ns_capable+0x8a/0xf0
[  243.317068][ T7063]  ? kmem_cache_free+0x19b/0x690
[  243.317100][ T7063]  __se_sys_mount+0x313/0x410
[  243.317128][ T7063]  ? __pfx___se_sys_mount+0x10/0x10
[  243.317155][ T7063]  ? do_syscall_64+0xbe/0xfa0
[  243.317173][ T7063]  ? __x64_sys_mount+0x20/0xc0
[  243.317199][ T7063]  do_syscall_64+0xfa/0xfa0
[  243.317217][ T7063]  ? lockdep_hardirqs_on+0x9c/0x150
[  243.317237][ T7063]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.317255][ T7063]  ? clear_bhb_loop+0x60/0xb0
[  243.317276][ T7063]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  243.317293][ T7063] RIP: 0033:0x7facde59038a
[  243.317310][ T7063] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.317325][ T7063] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.317345][ T7063] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  243.317359][ T7063] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  243.317372][ T7063] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  243.317385][ T7063] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  243.317397][ T7063] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  243.317428][ T7063]  </TASK>
[  243.317452][ T7063] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.645230][ T7063] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.980999][ T7067] loop1: detected capacity change from 0 to 32768
[  244.002352][ T7067] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.010191][ T7067] CPU: 1 UID: 0 PID: 7067 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) 
[  244.010213][ T7067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  244.010224][ T7067] Call Trace:
[  244.010232][ T7067]  <TASK>
[  244.010239][ T7067]  dump_stack_lvl+0x189/0x250
[  244.010267][ T7067]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.010286][ T7067]  ? __pfx__printk+0x10/0x10
[  244.010311][ T7067]  ? kernfs_path_from_node+0x250/0x290
[  244.010330][ T7067]  ? kernfs_path_from_node+0x2f/0x290
[  244.010352][ T7067]  sysfs_create_dir_ns+0x259/0x280
[  244.010373][ T7067]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.010393][ T7067]  ? do_raw_spin_unlock+0x122/0x240
[  244.010417][ T7067]  kobject_add_internal+0x59f/0xb40
[  244.010449][ T7067]  kobject_init_and_add+0x125/0x190
[  244.010478][ T7067]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.010501][ T7067]  ? __raw_spin_lock_init+0x45/0x100
[  244.010522][ T7067]  ? __init_swait_queue_head+0xa9/0x150
[  244.010545][ T7067]  gfs2_sys_fs_add+0x234/0x450
[  244.010583][ T7067]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.010615][ T7067]  ? is_dynamic_key+0xd6/0x1c0
[  244.010641][ T7067]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.010675][ T7067]  gfs2_fill_super+0x13e8/0x2230
[  244.010712][ T7067]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.010737][ T7067]  ? sb_set_blocksize+0x104/0x180
[  244.010761][ T7067]  ? setup_bdev_super+0x4c1/0x5b0
[  244.010785][ T7067]  get_tree_bdev_flags+0x40e/0x4d0
[  244.010807][ T7067]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.010826][ T7067]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.010844][ T7067]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  244.010878][ T7067]  gfs2_get_tree+0x51/0x1e0
[  244.010902][ T7067]  vfs_get_tree+0x92/0x2b0
[  244.010925][ T7067]  do_new_mount+0x302/0xa10
[  244.010945][ T7067]  ? apparmor_capable+0x137/0x1b0
[  244.010976][ T7067]  ? __pfx_do_new_mount+0x10/0x10
[  244.010998][ T7067]  ? ns_capable+0x8a/0xf0
[  244.011024][ T7067]  ? kmem_cache_free+0x19b/0x690
[  244.011055][ T7067]  __se_sys_mount+0x313/0x410
[  244.011084][ T7067]  ? __pfx___se_sys_mount+0x10/0x10
[  244.011112][ T7067]  ? do_syscall_64+0xbe/0xfa0
[  244.011131][ T7067]  ? __x64_sys_mount+0x20/0xc0
[  244.011156][ T7067]  do_syscall_64+0xfa/0xfa0
[  244.011175][ T7067]  ? lockdep_hardirqs_on+0x9c/0x150
[  244.011195][ T7067]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.011213][ T7067]  ? clear_bhb_loop+0x60/0xb0
[  244.011235][ T7067]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.011251][ T7067] RIP: 0033:0x7facde59038a
[  244.011268][ T7067] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.011284][ T7067] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.011303][ T7067] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  244.011316][ T7067] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  244.011329][ T7067] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  244.011342][ T7067] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.011355][ T7067] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.011385][ T7067]  </TASK>
[  244.011411][ T7067] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.337997][ T7067] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.676076][ T7071] loop1: detected capacity change from 0 to 32768
[  244.697052][ T7071] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.704465][ T7071] CPU: 0 UID: 0 PID: 7071 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) 
[  244.704491][ T7071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  244.704502][ T7071] Call Trace:
[  244.704510][ T7071]  <TASK>
[  244.704518][ T7071]  dump_stack_lvl+0x189/0x250
[  244.704553][ T7071]  ? __pfx_dump_stack_lvl+0x10/0x10
[  244.704572][ T7071]  ? __pfx__printk+0x10/0x10
[  244.704595][ T7071]  ? kernfs_path_from_node+0x250/0x290
[  244.704614][ T7071]  ? kernfs_path_from_node+0x2f/0x290
[  244.704637][ T7071]  sysfs_create_dir_ns+0x259/0x280
[  244.704658][ T7071]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  244.704679][ T7071]  ? do_raw_spin_unlock+0x122/0x240
[  244.704704][ T7071]  kobject_add_internal+0x59f/0xb40
[  244.704737][ T7071]  kobject_init_and_add+0x125/0x190
[  244.704764][ T7071]  ? __pfx_kobject_init_and_add+0x10/0x10
[  244.704786][ T7071]  ? __raw_spin_lock_init+0x45/0x100
[  244.704808][ T7071]  ? __init_swait_queue_head+0xa9/0x150
[  244.704829][ T7071]  gfs2_sys_fs_add+0x234/0x450
[  244.704858][ T7071]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  244.704889][ T7071]  ? is_dynamic_key+0xd6/0x1c0
[  244.704911][ T7071]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  244.704943][ T7071]  gfs2_fill_super+0x13e8/0x2230
[  244.704977][ T7071]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.705002][ T7071]  ? sb_set_blocksize+0x104/0x180
[  244.705028][ T7071]  ? setup_bdev_super+0x4c1/0x5b0
[  244.705054][ T7071]  get_tree_bdev_flags+0x40e/0x4d0
[  244.705076][ T7071]  ? __pfx_gfs2_fill_super+0x10/0x10
[  244.705097][ T7071]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  244.705116][ T7071]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  244.705151][ T7071]  gfs2_get_tree+0x51/0x1e0
[  244.705175][ T7071]  vfs_get_tree+0x92/0x2b0
[  244.705197][ T7071]  do_new_mount+0x302/0xa10
[  244.705217][ T7071]  ? apparmor_capable+0x137/0x1b0
[  244.705246][ T7071]  ? __pfx_do_new_mount+0x10/0x10
[  244.705269][ T7071]  ? ns_capable+0x8a/0xf0
[  244.705296][ T7071]  ? kmem_cache_free+0x19b/0x690
[  244.705327][ T7071]  __se_sys_mount+0x313/0x410
[  244.705356][ T7071]  ? __pfx___se_sys_mount+0x10/0x10
[  244.705382][ T7071]  ? do_syscall_64+0xbe/0xfa0
[  244.705401][ T7071]  ? __x64_sys_mount+0x20/0xc0
[  244.705426][ T7071]  do_syscall_64+0xfa/0xfa0
[  244.705445][ T7071]  ? lockdep_hardirqs_on+0x9c/0x150
[  244.705465][ T7071]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.705481][ T7071]  ? clear_bhb_loop+0x60/0xb0
[  244.705503][ T7071]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  244.705521][ T7071] RIP: 0033:0x7facde59038a
[  244.705547][ T7071] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.705563][ T7071] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.705584][ T7071] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  244.705598][ T7071] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  244.705612][ T7071] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  244.705625][ T7071] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  244.705637][ T7071] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  244.705667][ T7071]  </TASK>
[  245.017875][ T7071] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.032311][ T7071] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/17 12:23:06 executed programs: 147
[  245.403451][ T7075] loop1: detected capacity change from 0 to 32768
[  245.413034][ T7075] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.420682][ T7075] CPU: 1 UID: 0 PID: 7075 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) 
[  245.420705][ T7075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  245.420715][ T7075] Call Trace:
[  245.420721][ T7075]  <TASK>
[  245.420730][ T7075]  dump_stack_lvl+0x189/0x250
[  245.420756][ T7075]  ? __pfx_dump_stack_lvl+0x10/0x10
[  245.420775][ T7075]  ? __pfx__printk+0x10/0x10
[  245.420798][ T7075]  ? kernfs_path_from_node+0x250/0x290
[  245.420816][ T7075]  ? kernfs_path_from_node+0x2f/0x290
[  245.420835][ T7075]  sysfs_create_dir_ns+0x259/0x280
[  245.420855][ T7075]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  245.420874][ T7075]  ? do_raw_spin_unlock+0x122/0x240
[  245.420898][ T7075]  kobject_add_internal+0x59f/0xb40
[  245.420928][ T7075]  kobject_init_and_add+0x125/0x190
[  245.420955][ T7075]  ? __pfx_kobject_init_and_add+0x10/0x10
[  245.420978][ T7075]  ? __raw_spin_lock_init+0x45/0x100
[  245.420996][ T7075]  ? __init_swait_queue_head+0xa9/0x150
[  245.421017][ T7075]  gfs2_sys_fs_add+0x234/0x450
[  245.421045][ T7075]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  245.421074][ T7075]  ? is_dynamic_key+0xd6/0x1c0
[  245.421095][ T7075]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  245.421124][ T7075]  gfs2_fill_super+0x13e8/0x2230
[  245.421153][ T7075]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.421172][ T7075]  ? sb_set_blocksize+0x104/0x180
[  245.421191][ T7075]  ? setup_bdev_super+0x4c1/0x5b0
[  245.421212][ T7075]  get_tree_bdev_flags+0x40e/0x4d0
[  245.421229][ T7075]  ? __pfx_gfs2_fill_super+0x10/0x10
[  245.421244][ T7075]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  245.421260][ T7075]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  245.421287][ T7075]  gfs2_get_tree+0x51/0x1e0
[  245.421306][ T7075]  vfs_get_tree+0x92/0x2b0
[  245.421324][ T7075]  do_new_mount+0x302/0xa10
[  245.421341][ T7075]  ? apparmor_capable+0x137/0x1b0
[  245.421365][ T7075]  ? __pfx_do_new_mount+0x10/0x10
[  245.421392][ T7075]  ? ns_capable+0x8a/0xf0
[  245.421412][ T7075]  ? kmem_cache_free+0x19b/0x690
[  245.421437][ T7075]  __se_sys_mount+0x313/0x410
[  245.421459][ T7075]  ? __pfx___se_sys_mount+0x10/0x10
[  245.421480][ T7075]  ? do_syscall_64+0xbe/0xfa0
[  245.421495][ T7075]  ? __x64_sys_mount+0x20/0xc0
[  245.421514][ T7075]  do_syscall_64+0xfa/0xfa0
[  245.421528][ T7075]  ? lockdep_hardirqs_on+0x9c/0x150
[  245.421544][ T7075]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.421558][ T7075]  ? clear_bhb_loop+0x60/0xb0
[  245.421575][ T7075]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  245.421588][ T7075] RIP: 0033:0x7facde59038a
[  245.421601][ T7075] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.421614][ T7075] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.421629][ T7075] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  245.421641][ T7075] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  245.421651][ T7075] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  245.421661][ T7075] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  245.421670][ T7075] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  245.421694][ T7075]  </TASK>
[  245.421720][ T7075] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.749225][ T7075] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.089155][ T7079] loop1: detected capacity change from 0 to 32768
[  246.098889][ T7079] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.112543][ T7079] CPU: 0 UID: 0 PID: 7079 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) 
[  246.112565][ T7079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  246.112576][ T7079] Call Trace:
[  246.112583][ T7079]  <TASK>
[  246.112591][ T7079]  dump_stack_lvl+0x189/0x250
[  246.112627][ T7079]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.112645][ T7079]  ? __pfx__printk+0x10/0x10
[  246.112669][ T7079]  ? kernfs_path_from_node+0x250/0x290
[  246.112686][ T7079]  ? kernfs_path_from_node+0x2f/0x290
[  246.112705][ T7079]  sysfs_create_dir_ns+0x259/0x280
[  246.112726][ T7079]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.112746][ T7079]  ? do_raw_spin_unlock+0x122/0x240
[  246.112769][ T7079]  kobject_add_internal+0x59f/0xb40
[  246.112799][ T7079]  kobject_init_and_add+0x125/0x190
[  246.112825][ T7079]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.112849][ T7079]  ? __raw_spin_lock_init+0x45/0x100
[  246.112869][ T7079]  ? __init_swait_queue_head+0xa9/0x150
[  246.112891][ T7079]  gfs2_sys_fs_add+0x234/0x450
[  246.112920][ T7079]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.112949][ T7079]  ? is_dynamic_key+0xd6/0x1c0
[  246.112969][ T7079]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.113002][ T7079]  gfs2_fill_super+0x13e8/0x2230
[  246.113040][ T7079]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.113066][ T7079]  ? sb_set_blocksize+0x104/0x180
[  246.113090][ T7079]  ? setup_bdev_super+0x4c1/0x5b0
[  246.113115][ T7079]  get_tree_bdev_flags+0x40e/0x4d0
[  246.113136][ T7079]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.113155][ T7079]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.113189][ T7079]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  246.113222][ T7079]  gfs2_get_tree+0x51/0x1e0
[  246.113245][ T7079]  vfs_get_tree+0x92/0x2b0
[  246.113272][ T7079]  do_new_mount+0x302/0xa10
[  246.113292][ T7079]  ? apparmor_capable+0x137/0x1b0
[  246.113322][ T7079]  ? __pfx_do_new_mount+0x10/0x10
[  246.113344][ T7079]  ? ns_capable+0x8a/0xf0
[  246.113370][ T7079]  ? kmem_cache_free+0x19b/0x690
[  246.113402][ T7079]  __se_sys_mount+0x313/0x410
[  246.113430][ T7079]  ? __pfx___se_sys_mount+0x10/0x10
[  246.113457][ T7079]  ? do_syscall_64+0xbe/0xfa0
[  246.113476][ T7079]  ? __x64_sys_mount+0x20/0xc0
[  246.113500][ T7079]  do_syscall_64+0xfa/0xfa0
[  246.113519][ T7079]  ? lockdep_hardirqs_on+0x9c/0x150
[  246.113539][ T7079]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.113555][ T7079]  ? clear_bhb_loop+0x60/0xb0
[  246.113576][ T7079]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.113594][ T7079] RIP: 0033:0x7facde59038a
[  246.113617][ T7079] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.113633][ T7079] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.113653][ T7079] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  246.113667][ T7079] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  246.113680][ T7079] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  246.113692][ T7079] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  246.113705][ T7079] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.113734][ T7079]  </TASK>
[  246.113905][ T7079] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.441833][ T7079] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.776034][ T7083] loop1: detected capacity change from 0 to 32768
[  246.786292][ T7083] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.793692][ T7083] CPU: 0 UID: 0 PID: 7083 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) 
[  246.793714][ T7083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  246.793726][ T7083] Call Trace:
[  246.793734][ T7083]  <TASK>
[  246.793742][ T7083]  dump_stack_lvl+0x189/0x250
[  246.793770][ T7083]  ? __pfx_dump_stack_lvl+0x10/0x10
[  246.793790][ T7083]  ? __pfx__printk+0x10/0x10
[  246.793815][ T7083]  ? kernfs_path_from_node+0x250/0x290
[  246.793832][ T7083]  ? kernfs_path_from_node+0x2f/0x290
[  246.793855][ T7083]  sysfs_create_dir_ns+0x259/0x280
[  246.793881][ T7083]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  246.793902][ T7083]  ? do_raw_spin_unlock+0x122/0x240
[  246.793927][ T7083]  kobject_add_internal+0x59f/0xb40
[  246.793958][ T7083]  kobject_init_and_add+0x125/0x190
[  246.793986][ T7083]  ? __pfx_kobject_init_and_add+0x10/0x10
[  246.794011][ T7083]  ? __raw_spin_lock_init+0x45/0x100
[  246.794031][ T7083]  ? __init_swait_queue_head+0xa9/0x150
[  246.794054][ T7083]  gfs2_sys_fs_add+0x234/0x450
[  246.794082][ T7083]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  246.794114][ T7083]  ? is_dynamic_key+0xd6/0x1c0
[  246.794134][ T7083]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  246.794167][ T7083]  gfs2_fill_super+0x13e8/0x2230
[  246.794204][ T7083]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.794230][ T7083]  ? sb_set_blocksize+0x104/0x180
[  246.794255][ T7083]  ? setup_bdev_super+0x4c1/0x5b0
[  246.794286][ T7083]  get_tree_bdev_flags+0x40e/0x4d0
[  246.794308][ T7083]  ? __pfx_gfs2_fill_super+0x10/0x10
[  246.794328][ T7083]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  246.794345][ T7083]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  246.794378][ T7083]  gfs2_get_tree+0x51/0x1e0
[  246.794400][ T7083]  vfs_get_tree+0x92/0x2b0
[  246.794422][ T7083]  do_new_mount+0x302/0xa10
[  246.794442][ T7083]  ? apparmor_capable+0x137/0x1b0
[  246.794472][ T7083]  ? __pfx_do_new_mount+0x10/0x10
[  246.794494][ T7083]  ? ns_capable+0x8a/0xf0
[  246.794520][ T7083]  ? kmem_cache_free+0x19b/0x690
[  246.794552][ T7083]  __se_sys_mount+0x313/0x410
[  246.794581][ T7083]  ? __pfx___se_sys_mount+0x10/0x10
[  246.794608][ T7083]  ? do_syscall_64+0xbe/0xfa0
[  246.794627][ T7083]  ? __x64_sys_mount+0x20/0xc0
[  246.794651][ T7083]  do_syscall_64+0xfa/0xfa0
[  246.794670][ T7083]  ? lockdep_hardirqs_on+0x9c/0x150
[  246.794690][ T7083]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.794708][ T7083]  ? clear_bhb_loop+0x60/0xb0
[  246.794731][ T7083]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  246.794746][ T7083] RIP: 0033:0x7facde59038a
[  246.794762][ T7083] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.794777][ T7083] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.794795][ T7083] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  246.794808][ T7083] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  246.794820][ T7083] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  246.794832][ T7083] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  246.794844][ T7083] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  246.794876][ T7083]  </TASK>
[  247.110998][ T7083] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.126169][ T7083] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.449188][ T7087] loop1: detected capacity change from 0 to 32768
[  247.470886][ T7087] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.478545][ T7087] CPU: 0 UID: 0 PID: 7087 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) 
[  247.478569][ T7087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  247.478581][ T7087] Call Trace:
[  247.478589][ T7087]  <TASK>
[  247.478597][ T7087]  dump_stack_lvl+0x189/0x250
[  247.478626][ T7087]  ? __pfx_dump_stack_lvl+0x10/0x10
[  247.478646][ T7087]  ? __pfx__printk+0x10/0x10
[  247.478672][ T7087]  ? kernfs_path_from_node+0x250/0x290
[  247.478691][ T7087]  ? kernfs_path_from_node+0x2f/0x290
[  247.478713][ T7087]  sysfs_create_dir_ns+0x259/0x280
[  247.478734][ T7087]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  247.478754][ T7087]  ? do_raw_spin_unlock+0x122/0x240
[  247.478777][ T7087]  kobject_add_internal+0x59f/0xb40
[  247.478808][ T7087]  kobject_init_and_add+0x125/0x190
[  247.478837][ T7087]  ? __pfx_kobject_init_and_add+0x10/0x10
[  247.478861][ T7087]  ? __raw_spin_lock_init+0x45/0x100
[  247.478881][ T7087]  ? __init_swait_queue_head+0xa9/0x150
[  247.478904][ T7087]  gfs2_sys_fs_add+0x234/0x450
[  247.478932][ T7087]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  247.478963][ T7087]  ? is_dynamic_key+0xd6/0x1c0
[  247.478995][ T7087]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  247.479029][ T7087]  gfs2_fill_super+0x13e8/0x2230
[  247.479063][ T7087]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.479088][ T7087]  ? sb_set_blocksize+0x104/0x180
[  247.479114][ T7087]  ? setup_bdev_super+0x4c1/0x5b0
[  247.479140][ T7087]  get_tree_bdev_flags+0x40e/0x4d0
[  247.479162][ T7087]  ? __pfx_gfs2_fill_super+0x10/0x10
[  247.479183][ T7087]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  247.479202][ T7087]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  247.479237][ T7087]  gfs2_get_tree+0x51/0x1e0
[  247.479260][ T7087]  vfs_get_tree+0x92/0x2b0
[  247.479283][ T7087]  do_new_mount+0x302/0xa10
[  247.479304][ T7087]  ? apparmor_capable+0x137/0x1b0
[  247.479335][ T7087]  ? __pfx_do_new_mount+0x10/0x10
[  247.479357][ T7087]  ? ns_capable+0x8a/0xf0
[  247.479383][ T7087]  ? kmem_cache_free+0x19b/0x690
[  247.479415][ T7087]  __se_sys_mount+0x313/0x410
[  247.479444][ T7087]  ? __pfx___se_sys_mount+0x10/0x10
[  247.479470][ T7087]  ? do_syscall_64+0xbe/0xfa0
[  247.479490][ T7087]  ? __x64_sys_mount+0x20/0xc0
[  247.479514][ T7087]  do_syscall_64+0xfa/0xfa0
[  247.479541][ T7087]  ? lockdep_hardirqs_on+0x9c/0x150
[  247.479561][ T7087]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.479579][ T7087]  ? clear_bhb_loop+0x60/0xb0
[  247.479601][ T7087]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  247.479619][ T7087] RIP: 0033:0x7facde59038a
[  247.479637][ T7087] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.479652][ T7087] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.479672][ T7087] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  247.479687][ T7087] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  247.479700][ T7087] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  247.479713][ T7087] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  247.479725][ T7087] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  247.479756][ T7087]  </TASK>
[  247.479783][ T7087] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.513453][   T52] Bluetooth: hci0: command 0x0406 tx timeout
[  247.518373][ T7087] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.144521][ T7091] loop1: detected capacity change from 0 to 32768
[  248.176904][ T7091] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.184294][ T7091] CPU: 0 UID: 0 PID: 7091 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) 
[  248.184310][ T7091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  248.184317][ T7091] Call Trace:
[  248.184323][ T7091]  <TASK>
[  248.184328][ T7091]  dump_stack_lvl+0x189/0x250
[  248.184345][ T7091]  ? __pfx_dump_stack_lvl+0x10/0x10
[  248.184356][ T7091]  ? __pfx__printk+0x10/0x10
[  248.184370][ T7091]  ? kernfs_path_from_node+0x250/0x290
[  248.184381][ T7091]  ? kernfs_path_from_node+0x2f/0x290
[  248.184393][ T7091]  sysfs_create_dir_ns+0x259/0x280
[  248.184406][ T7091]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.184417][ T7091]  ? do_raw_spin_unlock+0x122/0x240
[  248.184431][ T7091]  kobject_add_internal+0x59f/0xb40
[  248.184450][ T7091]  kobject_init_and_add+0x125/0x190
[  248.184466][ T7091]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.184479][ T7091]  ? __raw_spin_lock_init+0x45/0x100
[  248.184491][ T7091]  ? __init_swait_queue_head+0xa9/0x150
[  248.184504][ T7091]  gfs2_sys_fs_add+0x234/0x450
[  248.184520][ T7091]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.184537][ T7091]  ? is_dynamic_key+0xd6/0x1c0
[  248.184549][ T7091]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.184568][ T7091]  gfs2_fill_super+0x13e8/0x2230
[  248.184588][ T7091]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.184602][ T7091]  ? sb_set_blocksize+0x104/0x180
[  248.184617][ T7091]  ? setup_bdev_super+0x4c1/0x5b0
[  248.184631][ T7091]  get_tree_bdev_flags+0x40e/0x4d0
[  248.184643][ T7091]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.184654][ T7091]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.184665][ T7091]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  248.184685][ T7091]  gfs2_get_tree+0x51/0x1e0
[  248.184698][ T7091]  vfs_get_tree+0x92/0x2b0
[  248.184715][ T7091]  do_new_mount+0x302/0xa10
[  248.184734][ T7091]  ? apparmor_capable+0x137/0x1b0
[  248.184760][ T7091]  ? __pfx_do_new_mount+0x10/0x10
[  248.184780][ T7091]  ? ns_capable+0x8a/0xf0
[  248.184799][ T7091]  ? kmem_cache_free+0x19b/0x690
[  248.184817][ T7091]  __se_sys_mount+0x313/0x410
[  248.184833][ T7091]  ? __pfx___se_sys_mount+0x10/0x10
[  248.184848][ T7091]  ? do_syscall_64+0xbe/0xfa0
[  248.184859][ T7091]  ? __x64_sys_mount+0x20/0xc0
[  248.184873][ T7091]  do_syscall_64+0xfa/0xfa0
[  248.184883][ T7091]  ? lockdep_hardirqs_on+0x9c/0x150
[  248.184895][ T7091]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.184905][ T7091]  ? clear_bhb_loop+0x60/0xb0
[  248.184917][ T7091]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.184927][ T7091] RIP: 0033:0x7facde59038a
[  248.184938][ T7091] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.184947][ T7091] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.184960][ T7091] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  248.184967][ T7091] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  248.184974][ T7091] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  248.184981][ T7091] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  248.184988][ T7091] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  248.185004][ T7091]  </TASK>
[  248.499282][ T7091] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.513384][ T7091] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.849901][ T7095] loop1: detected capacity change from 0 to 32768
[  248.869437][ T7095] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.877477][ T7095] CPU: 1 UID: 0 PID: 7095 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) 
[  248.877502][ T7095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  248.877514][ T7095] Call Trace:
[  248.877522][ T7095]  <TASK>
[  248.877531][ T7095]  dump_stack_lvl+0x189/0x250
[  248.877558][ T7095]  ? __pfx_dump_stack_lvl+0x10/0x10
[  248.877576][ T7095]  ? __pfx__printk+0x10/0x10
[  248.877600][ T7095]  ? kernfs_path_from_node+0x250/0x290
[  248.877618][ T7095]  ? kernfs_path_from_node+0x2f/0x290
[  248.877639][ T7095]  sysfs_create_dir_ns+0x259/0x280
[  248.877659][ T7095]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  248.877679][ T7095]  ? do_raw_spin_unlock+0x122/0x240
[  248.877702][ T7095]  kobject_add_internal+0x59f/0xb40
[  248.877732][ T7095]  kobject_init_and_add+0x125/0x190
[  248.877761][ T7095]  ? __pfx_kobject_init_and_add+0x10/0x10
[  248.877785][ T7095]  ? __raw_spin_lock_init+0x45/0x100
[  248.877805][ T7095]  ? __init_swait_queue_head+0xa9/0x150
[  248.877828][ T7095]  gfs2_sys_fs_add+0x234/0x450
[  248.877855][ T7095]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  248.877887][ T7095]  ? is_dynamic_key+0xd6/0x1c0
[  248.877918][ T7095]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  248.877952][ T7095]  gfs2_fill_super+0x13e8/0x2230
[  248.877990][ T7095]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.878016][ T7095]  ? sb_set_blocksize+0x104/0x180
[  248.878041][ T7095]  ? setup_bdev_super+0x4c1/0x5b0
[  248.878067][ T7095]  get_tree_bdev_flags+0x40e/0x4d0
[  248.878088][ T7095]  ? __pfx_gfs2_fill_super+0x10/0x10
[  248.878117][ T7095]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  248.878137][ T7095]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  248.878170][ T7095]  gfs2_get_tree+0x51/0x1e0
[  248.878194][ T7095]  vfs_get_tree+0x92/0x2b0
[  248.878216][ T7095]  do_new_mount+0x302/0xa10
[  248.878236][ T7095]  ? apparmor_capable+0x137/0x1b0
[  248.878271][ T7095]  ? __pfx_do_new_mount+0x10/0x10
[  248.878294][ T7095]  ? ns_capable+0x8a/0xf0
[  248.878320][ T7095]  ? kmem_cache_free+0x19b/0x690
[  248.878358][ T7095]  __se_sys_mount+0x313/0x410
[  248.878387][ T7095]  ? __pfx___se_sys_mount+0x10/0x10
[  248.878413][ T7095]  ? do_syscall_64+0xbe/0xfa0
[  248.878432][ T7095]  ? __x64_sys_mount+0x20/0xc0
[  248.878457][ T7095]  do_syscall_64+0xfa/0xfa0
[  248.878475][ T7095]  ? lockdep_hardirqs_on+0x9c/0x150
[  248.878494][ T7095]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.878511][ T7095]  ? clear_bhb_loop+0x60/0xb0
[  248.878533][ T7095]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.878550][ T7095] RIP: 0033:0x7facde59038a
[  248.878568][ T7095] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.878583][ T7095] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.878605][ T7095] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  248.878620][ T7095] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  248.878634][ T7095] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  248.878646][ T7095] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  248.878658][ T7095] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  248.878688][ T7095]  </TASK>
[  248.878761][ T7095] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.206800][ T7095] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.524354][ T7099] loop1: detected capacity change from 0 to 32768
[  249.548607][ T7099] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.556254][ T7099] CPU: 0 UID: 0 PID: 7099 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) 
[  249.556279][ T7099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  249.556289][ T7099] Call Trace:
[  249.556295][ T7099]  <TASK>
[  249.556303][ T7099]  dump_stack_lvl+0x189/0x250
[  249.556331][ T7099]  ? __pfx_dump_stack_lvl+0x10/0x10
[  249.556350][ T7099]  ? __pfx__printk+0x10/0x10
[  249.556372][ T7099]  ? kernfs_path_from_node+0x250/0x290
[  249.556390][ T7099]  ? kernfs_path_from_node+0x2f/0x290
[  249.556413][ T7099]  sysfs_create_dir_ns+0x259/0x280
[  249.556435][ T7099]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  249.556456][ T7099]  ? do_raw_spin_unlock+0x122/0x240
[  249.556481][ T7099]  kobject_add_internal+0x59f/0xb40
[  249.556513][ T7099]  kobject_init_and_add+0x125/0x190
[  249.556541][ T7099]  ? __pfx_kobject_init_and_add+0x10/0x10
[  249.556565][ T7099]  ? __raw_spin_lock_init+0x45/0x100
[  249.556584][ T7099]  ? __init_swait_queue_head+0xa9/0x150
[  249.556607][ T7099]  gfs2_sys_fs_add+0x234/0x450
[  249.556633][ T7099]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  249.556662][ T7099]  ? is_dynamic_key+0xd6/0x1c0
[  249.556682][ T7099]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  249.556714][ T7099]  gfs2_fill_super+0x13e8/0x2230
[  249.556750][ T7099]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.556775][ T7099]  ? sb_set_blocksize+0x104/0x180
[  249.556799][ T7099]  ? setup_bdev_super+0x4c1/0x5b0
[  249.556823][ T7099]  get_tree_bdev_flags+0x40e/0x4d0
[  249.556844][ T7099]  ? __pfx_gfs2_fill_super+0x10/0x10
[  249.556864][ T7099]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  249.556883][ T7099]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  249.556919][ T7099]  gfs2_get_tree+0x51/0x1e0
[  249.556943][ T7099]  vfs_get_tree+0x92/0x2b0
[  249.556965][ T7099]  do_new_mount+0x302/0xa10
[  249.556986][ T7099]  ? apparmor_capable+0x137/0x1b0
[  249.557017][ T7099]  ? __pfx_do_new_mount+0x10/0x10
[  249.557052][ T7099]  ? ns_capable+0x8a/0xf0
[  249.557079][ T7099]  ? kmem_cache_free+0x19b/0x690
[  249.557111][ T7099]  __se_sys_mount+0x313/0x410
[  249.557140][ T7099]  ? __pfx___se_sys_mount+0x10/0x10
[  249.557166][ T7099]  ? do_syscall_64+0xbe/0xfa0
[  249.557185][ T7099]  ? __x64_sys_mount+0x20/0xc0
[  249.557208][ T7099]  do_syscall_64+0xfa/0xfa0
[  249.557227][ T7099]  ? lockdep_hardirqs_on+0x9c/0x150
[  249.557246][ T7099]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.557264][ T7099]  ? clear_bhb_loop+0x60/0xb0
[  249.557284][ T7099]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  249.557300][ T7099] RIP: 0033:0x7facde59038a
[  249.557318][ T7099] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.557333][ T7099] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.557352][ T7099] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  249.557365][ T7099] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  249.557379][ T7099] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  249.557391][ T7099] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  249.557408][ T7099] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  249.557437][ T7099]  </TASK>
[  249.557494][ T7099] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.888032][ T7099] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.232524][ T7103] loop1: detected capacity change from 0 to 32768
[  250.242622][ T7103] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.258615][ T7103] CPU: 0 UID: 0 PID: 7103 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) 
[  250.258640][ T7103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  250.258652][ T7103] Call Trace:
[  250.258660][ T7103]  <TASK>
[  250.258668][ T7103]  dump_stack_lvl+0x189/0x250
[  250.258696][ T7103]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.258716][ T7103]  ? __pfx__printk+0x10/0x10
[  250.258742][ T7103]  ? kernfs_path_from_node+0x250/0x290
[  250.258760][ T7103]  ? kernfs_path_from_node+0x2f/0x290
[  250.258783][ T7103]  sysfs_create_dir_ns+0x259/0x280
[  250.258805][ T7103]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.258826][ T7103]  ? do_raw_spin_unlock+0x122/0x240
[  250.258852][ T7103]  kobject_add_internal+0x59f/0xb40
[  250.258884][ T7103]  kobject_init_and_add+0x125/0x190
[  250.258912][ T7103]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.258945][ T7103]  ? __raw_spin_lock_init+0x45/0x100
[  250.258967][ T7103]  ? __init_swait_queue_head+0xa9/0x150
[  250.258990][ T7103]  gfs2_sys_fs_add+0x234/0x450
[  250.259018][ T7103]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.259050][ T7103]  ? is_dynamic_key+0xd6/0x1c0
[  250.259072][ T7103]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.259106][ T7103]  gfs2_fill_super+0x13e8/0x2230
[  250.259143][ T7103]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.259169][ T7103]  ? sb_set_blocksize+0x104/0x180
[  250.259193][ T7103]  ? setup_bdev_super+0x4c1/0x5b0
[  250.259219][ T7103]  get_tree_bdev_flags+0x40e/0x4d0
[  250.259241][ T7103]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.259262][ T7103]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.259281][ T7103]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.259317][ T7103]  gfs2_get_tree+0x51/0x1e0
[  250.259341][ T7103]  vfs_get_tree+0x92/0x2b0
[  250.259365][ T7103]  do_new_mount+0x302/0xa10
[  250.259385][ T7103]  ? apparmor_capable+0x137/0x1b0
[  250.259416][ T7103]  ? __pfx_do_new_mount+0x10/0x10
[  250.259438][ T7103]  ? ns_capable+0x8a/0xf0
[  250.259465][ T7103]  ? kmem_cache_free+0x19b/0x690
[  250.259497][ T7103]  __se_sys_mount+0x313/0x410
[  250.259526][ T7103]  ? __pfx___se_sys_mount+0x10/0x10
[  250.259553][ T7103]  ? do_syscall_64+0xbe/0xfa0
[  250.259572][ T7103]  ? __x64_sys_mount+0x20/0xc0
[  250.259597][ T7103]  do_syscall_64+0xfa/0xfa0
[  250.259615][ T7103]  ? lockdep_hardirqs_on+0x9c/0x150
[  250.259635][ T7103]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.259653][ T7103]  ? clear_bhb_loop+0x60/0xb0
[  250.259674][ T7103]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.259692][ T7103] RIP: 0033:0x7facde59038a
[  250.259708][ T7103] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.259723][ T7103] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.259743][ T7103] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  250.259757][ T7103] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  250.259770][ T7103] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  250.259782][ T7103] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.259794][ T7103] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.259825][ T7103]  </TASK>
[  250.259850][ T7103] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.590480][ T7103] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/17 12:23:11 executed programs: 155
[  250.928795][ T7107] loop1: detected capacity change from 0 to 32768
[  250.947078][ T7107] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.954498][ T7107] CPU: 1 UID: 0 PID: 7107 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) 
[  250.954522][ T7107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  250.954534][ T7107] Call Trace:
[  250.954542][ T7107]  <TASK>
[  250.954550][ T7107]  dump_stack_lvl+0x189/0x250
[  250.954578][ T7107]  ? __pfx_dump_stack_lvl+0x10/0x10
[  250.954597][ T7107]  ? __pfx__printk+0x10/0x10
[  250.954621][ T7107]  ? kernfs_path_from_node+0x250/0x290
[  250.954639][ T7107]  ? kernfs_path_from_node+0x2f/0x290
[  250.954662][ T7107]  sysfs_create_dir_ns+0x259/0x280
[  250.954684][ T7107]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  250.954705][ T7107]  ? do_raw_spin_unlock+0x122/0x240
[  250.954730][ T7107]  kobject_add_internal+0x59f/0xb40
[  250.954759][ T7107]  kobject_init_and_add+0x125/0x190
[  250.954788][ T7107]  ? __pfx_kobject_init_and_add+0x10/0x10
[  250.954813][ T7107]  ? __raw_spin_lock_init+0x45/0x100
[  250.954834][ T7107]  ? __init_swait_queue_head+0xa9/0x150
[  250.954856][ T7107]  gfs2_sys_fs_add+0x234/0x450
[  250.954893][ T7107]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.954926][ T7107]  ? is_dynamic_key+0xd6/0x1c0
[  250.954948][ T7107]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.954983][ T7107]  gfs2_fill_super+0x13e8/0x2230
[  250.955020][ T7107]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.955045][ T7107]  ? sb_set_blocksize+0x104/0x180
[  250.955070][ T7107]  ? setup_bdev_super+0x4c1/0x5b0
[  250.955094][ T7107]  get_tree_bdev_flags+0x40e/0x4d0
[  250.955114][ T7107]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.955133][ T7107]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.955152][ T7107]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  250.955187][ T7107]  gfs2_get_tree+0x51/0x1e0
[  250.955211][ T7107]  vfs_get_tree+0x92/0x2b0
[  250.955234][ T7107]  do_new_mount+0x302/0xa10
[  250.955255][ T7107]  ? apparmor_capable+0x137/0x1b0
[  250.955286][ T7107]  ? __pfx_do_new_mount+0x10/0x10
[  250.955308][ T7107]  ? ns_capable+0x8a/0xf0
[  250.955335][ T7107]  ? kmem_cache_free+0x19b/0x690
[  250.955366][ T7107]  __se_sys_mount+0x313/0x410
[  250.955394][ T7107]  ? __pfx___se_sys_mount+0x10/0x10
[  250.955421][ T7107]  ? do_syscall_64+0xbe/0xfa0
[  250.955441][ T7107]  ? __x64_sys_mount+0x20/0xc0
[  250.955466][ T7107]  do_syscall_64+0xfa/0xfa0
[  250.955486][ T7107]  ? lockdep_hardirqs_on+0x9c/0x150
[  250.955506][ T7107]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.955524][ T7107]  ? clear_bhb_loop+0x60/0xb0
[  250.955545][ T7107]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.955562][ T7107] RIP: 0033:0x7facde59038a
[  250.955579][ T7107] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.955593][ T7107] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.955612][ T7107] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  250.955625][ T7107] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  250.955638][ T7107] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  250.955651][ T7107] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  250.955663][ T7107] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  250.955693][ T7107]  </TASK>
[  251.275208][ T7107] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.293441][ T7107] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.603892][ T7111] loop1: detected capacity change from 0 to 32768
[  251.626617][ T7111] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.634044][ T7111] CPU: 0 UID: 0 PID: 7111 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) 
[  251.634069][ T7111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  251.634080][ T7111] Call Trace:
[  251.634095][ T7111]  <TASK>
[  251.634103][ T7111]  dump_stack_lvl+0x189/0x250
[  251.634130][ T7111]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.634150][ T7111]  ? __pfx__printk+0x10/0x10
[  251.634176][ T7111]  ? kernfs_path_from_node+0x250/0x290
[  251.634195][ T7111]  ? kernfs_path_from_node+0x2f/0x290
[  251.634218][ T7111]  sysfs_create_dir_ns+0x259/0x280
[  251.634240][ T7111]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.634260][ T7111]  ? do_raw_spin_unlock+0x122/0x240
[  251.634284][ T7111]  kobject_add_internal+0x59f/0xb40
[  251.634315][ T7111]  kobject_init_and_add+0x125/0x190
[  251.634343][ T7111]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.634367][ T7111]  ? __raw_spin_lock_init+0x45/0x100
[  251.634387][ T7111]  ? __init_swait_queue_head+0xa9/0x150
[  251.634410][ T7111]  gfs2_sys_fs_add+0x234/0x450
[  251.634437][ T7111]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.634468][ T7111]  ? is_dynamic_key+0xd6/0x1c0
[  251.634489][ T7111]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.634522][ T7111]  gfs2_fill_super+0x13e8/0x2230
[  251.634587][ T7111]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.634611][ T7111]  ? sb_set_blocksize+0x104/0x180
[  251.634636][ T7111]  ? setup_bdev_super+0x4c1/0x5b0
[  251.634662][ T7111]  get_tree_bdev_flags+0x40e/0x4d0
[  251.634683][ T7111]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.634703][ T7111]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.634724][ T7111]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  251.634756][ T7111]  gfs2_get_tree+0x51/0x1e0
[  251.634777][ T7111]  vfs_get_tree+0x92/0x2b0
[  251.634799][ T7111]  do_new_mount+0x302/0xa10
[  251.634820][ T7111]  ? apparmor_capable+0x137/0x1b0
[  251.634850][ T7111]  ? __pfx_do_new_mount+0x10/0x10
[  251.634873][ T7111]  ? ns_capable+0x8a/0xf0
[  251.634898][ T7111]  ? kmem_cache_free+0x19b/0x690
[  251.634928][ T7111]  __se_sys_mount+0x313/0x410
[  251.634957][ T7111]  ? __pfx___se_sys_mount+0x10/0x10
[  251.634984][ T7111]  ? do_syscall_64+0xbe/0xfa0
[  251.635003][ T7111]  ? __x64_sys_mount+0x20/0xc0
[  251.635028][ T7111]  do_syscall_64+0xfa/0xfa0
[  251.635047][ T7111]  ? lockdep_hardirqs_on+0x9c/0x150
[  251.635068][ T7111]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.635092][ T7111]  ? clear_bhb_loop+0x60/0xb0
[  251.635114][ T7111]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.635131][ T7111] RIP: 0033:0x7facde59038a
[  251.635147][ T7111] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.635161][ T7111] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.635178][ T7111] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  251.635191][ T7111] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  251.635203][ T7111] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  251.635215][ T7111] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  251.635227][ T7111] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  251.635256][ T7111]  </TASK>
[  251.958663][ T7111] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.972918][ T7111] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.282663][ T7115] loop1: detected capacity change from 0 to 32768
[  252.298483][ T7115] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.311965][ T7115] CPU: 1 UID: 0 PID: 7115 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  252.311992][ T7115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  252.312003][ T7115] Call Trace:
[  252.312010][ T7115]  <TASK>
[  252.312019][ T7115]  dump_stack_lvl+0x189/0x250
[  252.312046][ T7115]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.312065][ T7115]  ? __pfx__printk+0x10/0x10
[  252.312087][ T7115]  ? kernfs_path_from_node+0x250/0x290
[  252.312105][ T7115]  ? kernfs_path_from_node+0x2f/0x290
[  252.312127][ T7115]  sysfs_create_dir_ns+0x259/0x280
[  252.312147][ T7115]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.312166][ T7115]  ? do_raw_spin_unlock+0x122/0x240
[  252.312188][ T7115]  kobject_add_internal+0x59f/0xb40
[  252.312218][ T7115]  kobject_init_and_add+0x125/0x190
[  252.312246][ T7115]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.312270][ T7115]  ? __raw_spin_lock_init+0x45/0x100
[  252.312290][ T7115]  ? __init_swait_queue_head+0xa9/0x150
[  252.312313][ T7115]  gfs2_sys_fs_add+0x234/0x450
[  252.312341][ T7115]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.312371][ T7115]  ? is_dynamic_key+0xd6/0x1c0
[  252.312392][ T7115]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.312425][ T7115]  gfs2_fill_super+0x13e8/0x2230
[  252.312462][ T7115]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.312488][ T7115]  ? sb_set_blocksize+0x104/0x180
[  252.312511][ T7115]  ? setup_bdev_super+0x4c1/0x5b0
[  252.312536][ T7115]  get_tree_bdev_flags+0x40e/0x4d0
[  252.312557][ T7115]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.312578][ T7115]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.312598][ T7115]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  252.312634][ T7115]  gfs2_get_tree+0x51/0x1e0
[  252.312658][ T7115]  vfs_get_tree+0x92/0x2b0
[  252.312680][ T7115]  do_new_mount+0x302/0xa10
[  252.312702][ T7115]  ? apparmor_capable+0x137/0x1b0
[  252.312733][ T7115]  ? __pfx_do_new_mount+0x10/0x10
[  252.312753][ T7115]  ? ns_capable+0x8a/0xf0
[  252.312780][ T7115]  ? kmem_cache_free+0x19b/0x690
[  252.312821][ T7115]  __se_sys_mount+0x313/0x410
[  252.312851][ T7115]  ? __pfx___se_sys_mount+0x10/0x10
[  252.312877][ T7115]  ? do_syscall_64+0xbe/0xfa0
[  252.312896][ T7115]  ? __x64_sys_mount+0x20/0xc0
[  252.312920][ T7115]  do_syscall_64+0xfa/0xfa0
[  252.312939][ T7115]  ? lockdep_hardirqs_on+0x9c/0x150
[  252.312958][ T7115]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.312976][ T7115]  ? clear_bhb_loop+0x60/0xb0
[  252.312998][ T7115]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.313016][ T7115] RIP: 0033:0x7facde59038a
[  252.313033][ T7115] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.313048][ T7115] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.313066][ T7115] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  252.313080][ T7115] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  252.313093][ T7115] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  252.313106][ T7115] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  252.313118][ T7115] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.313150][ T7115]  </TASK>
[  252.313206][ T7115] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.640515][ T7115] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.962688][ T7119] loop1: detected capacity change from 0 to 32768
[  252.983185][ T7119] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.991157][ T7119] CPU: 0 UID: 0 PID: 7119 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  252.991181][ T7119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  252.991192][ T7119] Call Trace:
[  252.991200][ T7119]  <TASK>
[  252.991208][ T7119]  dump_stack_lvl+0x189/0x250
[  252.991237][ T7119]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.991256][ T7119]  ? __pfx__printk+0x10/0x10
[  252.991281][ T7119]  ? kernfs_path_from_node+0x250/0x290
[  252.991299][ T7119]  ? kernfs_path_from_node+0x2f/0x290
[  252.991322][ T7119]  sysfs_create_dir_ns+0x259/0x280
[  252.991343][ T7119]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.991369][ T7119]  ? do_raw_spin_unlock+0x122/0x240
[  252.991393][ T7119]  kobject_add_internal+0x59f/0xb40
[  252.991425][ T7119]  kobject_init_and_add+0x125/0x190
[  252.991454][ T7119]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.991482][ T7119]  ? __raw_spin_lock_init+0x45/0x100
[  252.991503][ T7119]  ? __init_swait_queue_head+0xa9/0x150
[  252.991526][ T7119]  gfs2_sys_fs_add+0x234/0x450
[  252.991554][ T7119]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.991585][ T7119]  ? is_dynamic_key+0xd6/0x1c0
[  252.991607][ T7119]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.991641][ T7119]  gfs2_fill_super+0x13e8/0x2230
[  252.991684][ T7119]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.991709][ T7119]  ? sb_set_blocksize+0x104/0x180
[  252.991734][ T7119]  ? setup_bdev_super+0x4c1/0x5b0
[  252.991759][ T7119]  get_tree_bdev_flags+0x40e/0x4d0
[  252.991781][ T7119]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.991801][ T7119]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.991820][ T7119]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  252.991856][ T7119]  gfs2_get_tree+0x51/0x1e0
[  252.991879][ T7119]  vfs_get_tree+0x92/0x2b0
[  252.991903][ T7119]  do_new_mount+0x302/0xa10
[  252.991923][ T7119]  ? apparmor_capable+0x137/0x1b0
[  252.991953][ T7119]  ? __pfx_do_new_mount+0x10/0x10
[  252.991975][ T7119]  ? ns_capable+0x8a/0xf0
[  252.992001][ T7119]  ? kmem_cache_free+0x19b/0x690
[  252.992033][ T7119]  __se_sys_mount+0x313/0x410
[  252.992062][ T7119]  ? __pfx___se_sys_mount+0x10/0x10
[  252.992088][ T7119]  ? do_syscall_64+0xbe/0xfa0
[  252.992107][ T7119]  ? __x64_sys_mount+0x20/0xc0
[  252.992132][ T7119]  do_syscall_64+0xfa/0xfa0
[  252.992157][ T7119]  ? lockdep_hardirqs_on+0x9c/0x150
[  252.992176][ T7119]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.992194][ T7119]  ? clear_bhb_loop+0x60/0xb0
[  252.992216][ T7119]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.992233][ T7119] RIP: 0033:0x7facde59038a
[  252.992250][ T7119] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.992265][ T7119] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.992285][ T7119] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  252.992299][ T7119] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  252.992312][ T7119] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  252.992325][ T7119] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  252.992338][ T7119] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  252.992368][ T7119]  </TASK>
[  252.992393][ T7119] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.320407][ T7119] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.654348][ T7123] loop1: detected capacity change from 0 to 32768
[  253.674582][ T7123] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.682237][ T7123] CPU: 0 UID: 0 PID: 7123 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  253.682262][ T7123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  253.682273][ T7123] Call Trace:
[  253.682282][ T7123]  <TASK>
[  253.682289][ T7123]  dump_stack_lvl+0x189/0x250
[  253.682309][ T7123]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.682320][ T7123]  ? __pfx__printk+0x10/0x10
[  253.682334][ T7123]  ? kernfs_path_from_node+0x250/0x290
[  253.682345][ T7123]  ? kernfs_path_from_node+0x2f/0x290
[  253.682357][ T7123]  sysfs_create_dir_ns+0x259/0x280
[  253.682369][ T7123]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.682381][ T7123]  ? do_raw_spin_unlock+0x122/0x240
[  253.682396][ T7123]  kobject_add_internal+0x59f/0xb40
[  253.682414][ T7123]  kobject_init_and_add+0x125/0x190
[  253.682430][ T7123]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.682444][ T7123]  ? __raw_spin_lock_init+0x45/0x100
[  253.682455][ T7123]  ? __init_swait_queue_head+0xa9/0x150
[  253.682468][ T7123]  gfs2_sys_fs_add+0x234/0x450
[  253.682485][ T7123]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.682503][ T7123]  ? is_dynamic_key+0xd6/0x1c0
[  253.682515][ T7123]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.682534][ T7123]  gfs2_fill_super+0x13e8/0x2230
[  253.682555][ T7123]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.682569][ T7123]  ? sb_set_blocksize+0x104/0x180
[  253.682583][ T7123]  ? setup_bdev_super+0x4c1/0x5b0
[  253.682601][ T7123]  get_tree_bdev_flags+0x40e/0x4d0
[  253.682613][ T7123]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.682625][ T7123]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.682635][ T7123]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  253.682655][ T7123]  gfs2_get_tree+0x51/0x1e0
[  253.682669][ T7123]  vfs_get_tree+0x92/0x2b0
[  253.682682][ T7123]  do_new_mount+0x302/0xa10
[  253.682695][ T7123]  ? apparmor_capable+0x137/0x1b0
[  253.682712][ T7123]  ? __pfx_do_new_mount+0x10/0x10
[  253.682724][ T7123]  ? ns_capable+0x8a/0xf0
[  253.682739][ T7123]  ? kmem_cache_free+0x19b/0x690
[  253.682757][ T7123]  __se_sys_mount+0x313/0x410
[  253.682773][ T7123]  ? __pfx___se_sys_mount+0x10/0x10
[  253.682788][ T7123]  ? do_syscall_64+0xbe/0xfa0
[  253.682799][ T7123]  ? __x64_sys_mount+0x20/0xc0
[  253.682812][ T7123]  do_syscall_64+0xfa/0xfa0
[  253.682823][ T7123]  ? lockdep_hardirqs_on+0x9c/0x150
[  253.682834][ T7123]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.682850][ T7123]  ? clear_bhb_loop+0x60/0xb0
[  253.682863][ T7123]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.682873][ T7123] RIP: 0033:0x7facde59038a
[  253.682883][ T7123] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.682892][ T7123] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.682904][ T7123] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  253.682912][ T7123] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  253.682919][ T7123] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  253.682926][ T7123] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  253.682932][ T7123] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  253.682949][ T7123]  </TASK>
[  253.683001][ T7123] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.010085][ T7123] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.340785][ T7127] loop1: detected capacity change from 0 to 32768
[  254.365298][ T7127] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.372709][ T7127] CPU: 1 UID: 0 PID: 7127 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  254.372735][ T7127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  254.372746][ T7127] Call Trace:
[  254.372755][ T7127]  <TASK>
[  254.372763][ T7127]  dump_stack_lvl+0x189/0x250
[  254.372791][ T7127]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.372811][ T7127]  ? __pfx__printk+0x10/0x10
[  254.372844][ T7127]  ? kernfs_path_from_node+0x250/0x290
[  254.372863][ T7127]  ? kernfs_path_from_node+0x2f/0x290
[  254.372886][ T7127]  sysfs_create_dir_ns+0x259/0x280
[  254.372909][ T7127]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.372930][ T7127]  ? do_raw_spin_unlock+0x122/0x240
[  254.372955][ T7127]  kobject_add_internal+0x59f/0xb40
[  254.372984][ T7127]  kobject_init_and_add+0x125/0x190
[  254.373010][ T7127]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.373035][ T7127]  ? __raw_spin_lock_init+0x45/0x100
[  254.373056][ T7127]  ? __init_swait_queue_head+0xa9/0x150
[  254.373079][ T7127]  gfs2_sys_fs_add+0x234/0x450
[  254.373108][ T7127]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.373140][ T7127]  ? is_dynamic_key+0xd6/0x1c0
[  254.373162][ T7127]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.373197][ T7127]  gfs2_fill_super+0x13e8/0x2230
[  254.373235][ T7127]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.373260][ T7127]  ? sb_set_blocksize+0x104/0x180
[  254.373284][ T7127]  ? setup_bdev_super+0x4c1/0x5b0
[  254.373305][ T7127]  get_tree_bdev_flags+0x40e/0x4d0
[  254.373325][ T7127]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.373343][ T7127]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.373362][ T7127]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  254.373397][ T7127]  gfs2_get_tree+0x51/0x1e0
[  254.373420][ T7127]  vfs_get_tree+0x92/0x2b0
[  254.373444][ T7127]  do_new_mount+0x302/0xa10
[  254.373464][ T7127]  ? apparmor_capable+0x137/0x1b0
[  254.373495][ T7127]  ? __pfx_do_new_mount+0x10/0x10
[  254.373516][ T7127]  ? ns_capable+0x8a/0xf0
[  254.373542][ T7127]  ? kmem_cache_free+0x19b/0x690
[  254.373573][ T7127]  __se_sys_mount+0x313/0x410
[  254.373601][ T7127]  ? __pfx___se_sys_mount+0x10/0x10
[  254.373626][ T7127]  ? do_syscall_64+0xbe/0xfa0
[  254.373644][ T7127]  ? __x64_sys_mount+0x20/0xc0
[  254.373668][ T7127]  do_syscall_64+0xfa/0xfa0
[  254.373687][ T7127]  ? lockdep_hardirqs_on+0x9c/0x150
[  254.373706][ T7127]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.373724][ T7127]  ? clear_bhb_loop+0x60/0xb0
[  254.373746][ T7127]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.373764][ T7127] RIP: 0033:0x7facde59038a
[  254.373782][ T7127] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.373797][ T7127] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.373817][ T7127] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  254.373840][ T7127] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  254.373853][ T7127] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  254.373865][ T7127] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  254.373878][ T7127] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  254.373908][ T7127]  </TASK>
[  254.373936][ T7127] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.701238][ T7127] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.039839][ T7131] loop1: detected capacity change from 0 to 32768
[  255.063920][ T7131] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.071435][ T7131] CPU: 1 UID: 0 PID: 7131 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  255.071457][ T7131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  255.071468][ T7131] Call Trace:
[  255.071475][ T7131]  <TASK>
[  255.071483][ T7131]  dump_stack_lvl+0x189/0x250
[  255.071517][ T7131]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.071535][ T7131]  ? __pfx__printk+0x10/0x10
[  255.071559][ T7131]  ? kernfs_path_from_node+0x250/0x290
[  255.071577][ T7131]  ? kernfs_path_from_node+0x2f/0x290
[  255.071599][ T7131]  sysfs_create_dir_ns+0x259/0x280
[  255.071618][ T7131]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.071637][ T7131]  ? do_raw_spin_unlock+0x122/0x240
[  255.071661][ T7131]  kobject_add_internal+0x59f/0xb40
[  255.071692][ T7131]  kobject_init_and_add+0x125/0x190
[  255.071722][ T7131]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.071746][ T7131]  ? __raw_spin_lock_init+0x45/0x100
[  255.071766][ T7131]  ? __init_swait_queue_head+0xa9/0x150
[  255.071788][ T7131]  gfs2_sys_fs_add+0x234/0x450
[  255.071815][ T7131]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.071844][ T7131]  ? is_dynamic_key+0xd6/0x1c0
[  255.071865][ T7131]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.071894][ T7131]  gfs2_fill_super+0x13e8/0x2230
[  255.071929][ T7131]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.071952][ T7131]  ? sb_set_blocksize+0x104/0x180
[  255.071975][ T7131]  ? setup_bdev_super+0x4c1/0x5b0
[  255.071998][ T7131]  get_tree_bdev_flags+0x40e/0x4d0
[  255.072018][ T7131]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.072037][ T7131]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.072056][ T7131]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.072090][ T7131]  gfs2_get_tree+0x51/0x1e0
[  255.072114][ T7131]  vfs_get_tree+0x92/0x2b0
[  255.072137][ T7131]  do_new_mount+0x302/0xa10
[  255.072157][ T7131]  ? apparmor_capable+0x137/0x1b0
[  255.072188][ T7131]  ? __pfx_do_new_mount+0x10/0x10
[  255.072210][ T7131]  ? ns_capable+0x8a/0xf0
[  255.072236][ T7131]  ? kmem_cache_free+0x19b/0x690
[  255.072266][ T7131]  __se_sys_mount+0x313/0x410
[  255.072294][ T7131]  ? __pfx___se_sys_mount+0x10/0x10
[  255.072321][ T7131]  ? do_syscall_64+0xbe/0xfa0
[  255.072341][ T7131]  ? __x64_sys_mount+0x20/0xc0
[  255.072366][ T7131]  do_syscall_64+0xfa/0xfa0
[  255.072385][ T7131]  ? lockdep_hardirqs_on+0x9c/0x150
[  255.072404][ T7131]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.072422][ T7131]  ? clear_bhb_loop+0x60/0xb0
[  255.072443][ T7131]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.072460][ T7131] RIP: 0033:0x7facde59038a
[  255.072476][ T7131] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.072491][ T7131] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.072528][ T7131] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  255.072541][ T7131] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  255.072554][ T7131] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  255.072565][ T7131] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.072578][ T7131] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.072608][ T7131]  </TASK>
[  255.072677][ T7131] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.400998][ T7131] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.670071][ T1302] ieee802154 phy0 wpan0: encryption failed: -22
[  255.676932][ T1302] ieee802154 phy1 wpan1: encryption failed: -22
[  255.770017][ T7135] loop1: detected capacity change from 0 to 32768
[  255.785915][ T7135] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.794214][ T7135] CPU: 1 UID: 0 PID: 7135 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  255.794238][ T7135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  255.794249][ T7135] Call Trace:
[  255.794258][ T7135]  <TASK>
[  255.794266][ T7135]  dump_stack_lvl+0x189/0x250
[  255.794295][ T7135]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.794315][ T7135]  ? __pfx__printk+0x10/0x10
[  255.794341][ T7135]  ? kernfs_path_from_node+0x250/0x290
[  255.794360][ T7135]  ? kernfs_path_from_node+0x2f/0x290
[  255.794381][ T7135]  sysfs_create_dir_ns+0x259/0x280
[  255.794415][ T7135]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.794436][ T7135]  ? do_raw_spin_unlock+0x122/0x240
[  255.794458][ T7135]  kobject_add_internal+0x59f/0xb40
[  255.794489][ T7135]  kobject_init_and_add+0x125/0x190
[  255.794516][ T7135]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.794538][ T7135]  ? __raw_spin_lock_init+0x45/0x100
[  255.794558][ T7135]  ? __init_swait_queue_head+0xa9/0x150
[  255.794580][ T7135]  gfs2_sys_fs_add+0x234/0x450
[  255.794609][ T7135]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.794639][ T7135]  ? is_dynamic_key+0xd6/0x1c0
[  255.794660][ T7135]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.794693][ T7135]  gfs2_fill_super+0x13e8/0x2230
[  255.794730][ T7135]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.794753][ T7135]  ? sb_set_blocksize+0x104/0x180
[  255.794777][ T7135]  ? setup_bdev_super+0x4c1/0x5b0
[  255.794802][ T7135]  get_tree_bdev_flags+0x40e/0x4d0
[  255.794823][ T7135]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.794844][ T7135]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.794862][ T7135]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  255.794896][ T7135]  gfs2_get_tree+0x51/0x1e0
[  255.794921][ T7135]  vfs_get_tree+0x92/0x2b0
[  255.794945][ T7135]  do_new_mount+0x302/0xa10
[  255.794966][ T7135]  ? apparmor_capable+0x137/0x1b0
[  255.794997][ T7135]  ? __pfx_do_new_mount+0x10/0x10
[  255.795020][ T7135]  ? ns_capable+0x8a/0xf0
[  255.795046][ T7135]  ? kmem_cache_free+0x19b/0x690
[  255.795077][ T7135]  __se_sys_mount+0x313/0x410
[  255.795105][ T7135]  ? __pfx___se_sys_mount+0x10/0x10
[  255.795131][ T7135]  ? do_syscall_64+0xbe/0xfa0
[  255.795149][ T7135]  ? __x64_sys_mount+0x20/0xc0
[  255.795173][ T7135]  do_syscall_64+0xfa/0xfa0
[  255.795191][ T7135]  ? lockdep_hardirqs_on+0x9c/0x150
[  255.795210][ T7135]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.795228][ T7135]  ? clear_bhb_loop+0x60/0xb0
[  255.795249][ T7135]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.795267][ T7135] RIP: 0033:0x7facde59038a
[  255.795284][ T7135] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.795300][ T7135] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.795320][ T7135] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  255.795334][ T7135] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  255.795347][ T7135] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  255.795360][ T7135] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  255.795372][ T7135] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  255.795410][ T7135]  </TASK>
[  256.106080][ T7135] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.120149][ T7135] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/17 12:23:17 executed programs: 163
[  256.449754][ T7139] loop1: detected capacity change from 0 to 32768
[  256.473148][ T7139] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.480768][ T7139] CPU: 1 UID: 0 PID: 7139 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  256.480794][ T7139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  256.480805][ T7139] Call Trace:
[  256.480813][ T7139]  <TASK>
[  256.480821][ T7139]  dump_stack_lvl+0x189/0x250
[  256.480849][ T7139]  ? __pfx_dump_stack_lvl+0x10/0x10
[  256.480868][ T7139]  ? __pfx__printk+0x10/0x10
[  256.480893][ T7139]  ? kernfs_path_from_node+0x250/0x290
[  256.480911][ T7139]  ? kernfs_path_from_node+0x2f/0x290
[  256.480934][ T7139]  sysfs_create_dir_ns+0x259/0x280
[  256.480955][ T7139]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.480976][ T7139]  ? do_raw_spin_unlock+0x122/0x240
[  256.481000][ T7139]  kobject_add_internal+0x59f/0xb40
[  256.481032][ T7139]  kobject_init_and_add+0x125/0x190
[  256.481061][ T7139]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.481086][ T7139]  ? __raw_spin_lock_init+0x45/0x100
[  256.481107][ T7139]  ? __init_swait_queue_head+0xa9/0x150
[  256.481130][ T7139]  gfs2_sys_fs_add+0x234/0x450
[  256.481157][ T7139]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.481189][ T7139]  ? is_dynamic_key+0xd6/0x1c0
[  256.481210][ T7139]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.481245][ T7139]  gfs2_fill_super+0x13e8/0x2230
[  256.481282][ T7139]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.481307][ T7139]  ? sb_set_blocksize+0x104/0x180
[  256.481332][ T7139]  ? setup_bdev_super+0x4c1/0x5b0
[  256.481357][ T7139]  get_tree_bdev_flags+0x40e/0x4d0
[  256.481378][ T7139]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.481407][ T7139]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.481426][ T7139]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  256.481462][ T7139]  gfs2_get_tree+0x51/0x1e0
[  256.481486][ T7139]  vfs_get_tree+0x92/0x2b0
[  256.481510][ T7139]  do_new_mount+0x302/0xa10
[  256.481531][ T7139]  ? apparmor_capable+0x137/0x1b0
[  256.481562][ T7139]  ? __pfx_do_new_mount+0x10/0x10
[  256.481583][ T7139]  ? ns_capable+0x8a/0xf0
[  256.481609][ T7139]  ? kmem_cache_free+0x19b/0x690
[  256.481641][ T7139]  __se_sys_mount+0x313/0x410
[  256.481670][ T7139]  ? __pfx___se_sys_mount+0x10/0x10
[  256.481696][ T7139]  ? do_syscall_64+0xbe/0xfa0
[  256.481715][ T7139]  ? __x64_sys_mount+0x20/0xc0
[  256.481740][ T7139]  do_syscall_64+0xfa/0xfa0
[  256.481758][ T7139]  ? lockdep_hardirqs_on+0x9c/0x150
[  256.481778][ T7139]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.481796][ T7139]  ? clear_bhb_loop+0x60/0xb0
[  256.481818][ T7139]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.481835][ T7139] RIP: 0033:0x7facde59038a
[  256.481852][ T7139] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.481866][ T7139] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.481887][ T7139] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  256.481901][ T7139] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  256.481914][ T7139] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  256.481926][ T7139] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  256.481939][ T7139] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  256.481969][ T7139]  </TASK>
[  256.481995][ T7139] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.809857][ T7139] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.132790][ T7143] loop1: detected capacity change from 0 to 32768
[  257.143536][ T7143] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.152088][ T7143] CPU: 0 UID: 0 PID: 7143 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  257.152113][ T7143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  257.152125][ T7143] Call Trace:
[  257.152133][ T7143]  <TASK>
[  257.152141][ T7143]  dump_stack_lvl+0x189/0x250
[  257.152168][ T7143]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.152188][ T7143]  ? __pfx__printk+0x10/0x10
[  257.152221][ T7143]  ? kernfs_path_from_node+0x250/0x290
[  257.152240][ T7143]  ? kernfs_path_from_node+0x2f/0x290
[  257.152274][ T7143]  sysfs_create_dir_ns+0x259/0x280
[  257.152296][ T7143]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.152316][ T7143]  ? do_raw_spin_unlock+0x122/0x240
[  257.152340][ T7143]  kobject_add_internal+0x59f/0xb40
[  257.152371][ T7143]  kobject_init_and_add+0x125/0x190
[  257.152400][ T7143]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.152424][ T7143]  ? __raw_spin_lock_init+0x45/0x100
[  257.152445][ T7143]  ? __init_swait_queue_head+0xa9/0x150
[  257.152468][ T7143]  gfs2_sys_fs_add+0x234/0x450
[  257.152496][ T7143]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.152526][ T7143]  ? is_dynamic_key+0xd6/0x1c0
[  257.152548][ T7143]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.152582][ T7143]  gfs2_fill_super+0x13e8/0x2230
[  257.152619][ T7143]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.152644][ T7143]  ? sb_set_blocksize+0x104/0x180
[  257.152669][ T7143]  ? setup_bdev_super+0x4c1/0x5b0
[  257.152693][ T7143]  get_tree_bdev_flags+0x40e/0x4d0
[  257.152715][ T7143]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.152736][ T7143]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.152756][ T7143]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.152791][ T7143]  gfs2_get_tree+0x51/0x1e0
[  257.152815][ T7143]  vfs_get_tree+0x92/0x2b0
[  257.152839][ T7143]  do_new_mount+0x302/0xa10
[  257.152860][ T7143]  ? apparmor_capable+0x137/0x1b0
[  257.152889][ T7143]  ? __pfx_do_new_mount+0x10/0x10
[  257.152909][ T7143]  ? ns_capable+0x8a/0xf0
[  257.152934][ T7143]  ? kmem_cache_free+0x19b/0x690
[  257.152966][ T7143]  __se_sys_mount+0x313/0x410
[  257.152995][ T7143]  ? __pfx___se_sys_mount+0x10/0x10
[  257.153022][ T7143]  ? do_syscall_64+0xbe/0xfa0
[  257.153040][ T7143]  ? __x64_sys_mount+0x20/0xc0
[  257.153065][ T7143]  do_syscall_64+0xfa/0xfa0
[  257.153084][ T7143]  ? lockdep_hardirqs_on+0x9c/0x150
[  257.153104][ T7143]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.153122][ T7143]  ? clear_bhb_loop+0x60/0xb0
[  257.153143][ T7143]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.153161][ T7143] RIP: 0033:0x7facde59038a
[  257.153178][ T7143] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.153194][ T7143] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.153215][ T7143] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  257.153229][ T7143] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  257.153243][ T7143] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  257.153266][ T7143] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.153279][ T7143] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  257.153308][ T7143]  </TASK>
[  257.153334][ T7143] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.480998][ T7143] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.808162][ T7147] loop1: detected capacity change from 0 to 32768
[  257.821511][ T7147] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.831527][ T7147] CPU: 1 UID: 0 PID: 7147 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  257.831552][ T7147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  257.831563][ T7147] Call Trace:
[  257.831571][ T7147]  <TASK>
[  257.831579][ T7147]  dump_stack_lvl+0x189/0x250
[  257.831607][ T7147]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.831626][ T7147]  ? __pfx__printk+0x10/0x10
[  257.831649][ T7147]  ? kernfs_path_from_node+0x250/0x290
[  257.831667][ T7147]  ? kernfs_path_from_node+0x2f/0x290
[  257.831688][ T7147]  sysfs_create_dir_ns+0x259/0x280
[  257.831709][ T7147]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.831729][ T7147]  ? do_raw_spin_unlock+0x122/0x240
[  257.831753][ T7147]  kobject_add_internal+0x59f/0xb40
[  257.831784][ T7147]  kobject_init_and_add+0x125/0x190
[  257.831811][ T7147]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.831835][ T7147]  ? __raw_spin_lock_init+0x45/0x100
[  257.831856][ T7147]  ? __init_swait_queue_head+0xa9/0x150
[  257.831880][ T7147]  gfs2_sys_fs_add+0x234/0x450
[  257.831908][ T7147]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.831940][ T7147]  ? is_dynamic_key+0xd6/0x1c0
[  257.831961][ T7147]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.831994][ T7147]  gfs2_fill_super+0x13e8/0x2230
[  257.832029][ T7147]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.832053][ T7147]  ? sb_set_blocksize+0x104/0x180
[  257.832076][ T7147]  ? setup_bdev_super+0x4c1/0x5b0
[  257.832102][ T7147]  get_tree_bdev_flags+0x40e/0x4d0
[  257.832124][ T7147]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.832144][ T7147]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.832177][ T7147]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  257.832212][ T7147]  gfs2_get_tree+0x51/0x1e0
[  257.832235][ T7147]  vfs_get_tree+0x92/0x2b0
[  257.832259][ T7147]  do_new_mount+0x302/0xa10
[  257.832279][ T7147]  ? apparmor_capable+0x137/0x1b0
[  257.832310][ T7147]  ? __pfx_do_new_mount+0x10/0x10
[  257.832332][ T7147]  ? ns_capable+0x8a/0xf0
[  257.832357][ T7147]  ? kmem_cache_free+0x19b/0x690
[  257.832389][ T7147]  __se_sys_mount+0x313/0x410
[  257.832417][ T7147]  ? __pfx___se_sys_mount+0x10/0x10
[  257.832444][ T7147]  ? do_syscall_64+0xbe/0xfa0
[  257.832463][ T7147]  ? __x64_sys_mount+0x20/0xc0
[  257.832488][ T7147]  do_syscall_64+0xfa/0xfa0
[  257.832506][ T7147]  ? lockdep_hardirqs_on+0x9c/0x150
[  257.832526][ T7147]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.832543][ T7147]  ? clear_bhb_loop+0x60/0xb0
[  257.832564][ T7147]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.832581][ T7147] RIP: 0033:0x7facde59038a
[  257.832597][ T7147] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.832612][ T7147] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.832632][ T7147] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  257.832647][ T7147] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  257.832660][ T7147] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  257.832672][ T7147] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  257.832684][ T7147] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  257.832714][ T7147]  </TASK>
[  257.832741][ T7147] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.159595][ T7147] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.488025][ T7151] loop1: detected capacity change from 0 to 32768
[  258.508616][ T7151] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.516358][ T7151] CPU: 1 UID: 0 PID: 7151 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  258.516384][ T7151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  258.516395][ T7151] Call Trace:
[  258.516402][ T7151]  <TASK>
[  258.516410][ T7151]  dump_stack_lvl+0x189/0x250
[  258.516450][ T7151]  ? __pfx_dump_stack_lvl+0x10/0x10
[  258.516469][ T7151]  ? __pfx__printk+0x10/0x10
[  258.516495][ T7151]  ? kernfs_path_from_node+0x250/0x290
[  258.516513][ T7151]  ? kernfs_path_from_node+0x2f/0x290
[  258.516533][ T7151]  sysfs_create_dir_ns+0x259/0x280
[  258.516554][ T7151]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.516575][ T7151]  ? do_raw_spin_unlock+0x122/0x240
[  258.516599][ T7151]  kobject_add_internal+0x59f/0xb40
[  258.516628][ T7151]  kobject_init_and_add+0x125/0x190
[  258.516656][ T7151]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.516680][ T7151]  ? __raw_spin_lock_init+0x45/0x100
[  258.516702][ T7151]  ? __init_swait_queue_head+0xa9/0x150
[  258.516725][ T7151]  gfs2_sys_fs_add+0x234/0x450
[  258.516753][ T7151]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.516784][ T7151]  ? is_dynamic_key+0xd6/0x1c0
[  258.516804][ T7151]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.516835][ T7151]  gfs2_fill_super+0x13e8/0x2230
[  258.516867][ T7151]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.516891][ T7151]  ? sb_set_blocksize+0x104/0x180
[  258.516914][ T7151]  ? setup_bdev_super+0x4c1/0x5b0
[  258.516938][ T7151]  get_tree_bdev_flags+0x40e/0x4d0
[  258.516958][ T7151]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.516970][ T7151]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.516981][ T7151]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  258.517001][ T7151]  gfs2_get_tree+0x51/0x1e0
[  258.517014][ T7151]  vfs_get_tree+0x92/0x2b0
[  258.517028][ T7151]  do_new_mount+0x302/0xa10
[  258.517040][ T7151]  ? apparmor_capable+0x137/0x1b0
[  258.517058][ T7151]  ? __pfx_do_new_mount+0x10/0x10
[  258.517070][ T7151]  ? ns_capable+0x8a/0xf0
[  258.517086][ T7151]  ? kmem_cache_free+0x19b/0x690
[  258.517112][ T7151]  __se_sys_mount+0x313/0x410
[  258.517128][ T7151]  ? __pfx___se_sys_mount+0x10/0x10
[  258.517143][ T7151]  ? do_syscall_64+0xbe/0xfa0
[  258.517154][ T7151]  ? __x64_sys_mount+0x20/0xc0
[  258.517168][ T7151]  do_syscall_64+0xfa/0xfa0
[  258.517179][ T7151]  ? lockdep_hardirqs_on+0x9c/0x150
[  258.517190][ T7151]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.517200][ T7151]  ? clear_bhb_loop+0x60/0xb0
[  258.517213][ T7151]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.517222][ T7151] RIP: 0033:0x7facde59038a
[  258.517232][ T7151] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.517242][ T7151] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.517254][ T7151] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  258.517261][ T7151] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  258.517269][ T7151] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  258.517275][ T7151] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  258.517282][ T7151] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  258.517298][ T7151]  </TASK>
[  258.517458][ T7151] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.845069][ T7151] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.172386][ T7155] loop1: detected capacity change from 0 to 32768
[  259.196338][ T7155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.204694][ T7155] CPU: 0 UID: 0 PID: 7155 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  259.204723][ T7155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  259.204733][ T7155] Call Trace:
[  259.204740][ T7155]  <TASK>
[  259.204747][ T7155]  dump_stack_lvl+0x189/0x250
[  259.204775][ T7155]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.204793][ T7155]  ? __pfx__printk+0x10/0x10
[  259.204818][ T7155]  ? kernfs_path_from_node+0x250/0x290
[  259.204836][ T7155]  ? kernfs_path_from_node+0x2f/0x290
[  259.204858][ T7155]  sysfs_create_dir_ns+0x259/0x280
[  259.204879][ T7155]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.204898][ T7155]  ? do_raw_spin_unlock+0x122/0x240
[  259.204921][ T7155]  kobject_add_internal+0x59f/0xb40
[  259.204950][ T7155]  kobject_init_and_add+0x125/0x190
[  259.204975][ T7155]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.204997][ T7155]  ? __raw_spin_lock_init+0x45/0x100
[  259.205017][ T7155]  ? __init_swait_queue_head+0xa9/0x150
[  259.205039][ T7155]  gfs2_sys_fs_add+0x234/0x450
[  259.205066][ T7155]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.205095][ T7155]  ? is_dynamic_key+0xd6/0x1c0
[  259.205116][ T7155]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.205147][ T7155]  gfs2_fill_super+0x13e8/0x2230
[  259.205181][ T7155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.205206][ T7155]  ? sb_set_blocksize+0x104/0x180
[  259.205229][ T7155]  ? setup_bdev_super+0x4c1/0x5b0
[  259.205254][ T7155]  get_tree_bdev_flags+0x40e/0x4d0
[  259.205275][ T7155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.205315][ T7155]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.205334][ T7155]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.205371][ T7155]  gfs2_get_tree+0x51/0x1e0
[  259.205394][ T7155]  vfs_get_tree+0x92/0x2b0
[  259.205415][ T7155]  do_new_mount+0x302/0xa10
[  259.205435][ T7155]  ? apparmor_capable+0x137/0x1b0
[  259.205466][ T7155]  ? __pfx_do_new_mount+0x10/0x10
[  259.205489][ T7155]  ? ns_capable+0x8a/0xf0
[  259.205516][ T7155]  ? kmem_cache_free+0x19b/0x690
[  259.205547][ T7155]  __se_sys_mount+0x313/0x410
[  259.205576][ T7155]  ? __pfx___se_sys_mount+0x10/0x10
[  259.205602][ T7155]  ? do_syscall_64+0xbe/0xfa0
[  259.205621][ T7155]  ? __x64_sys_mount+0x20/0xc0
[  259.205644][ T7155]  do_syscall_64+0xfa/0xfa0
[  259.205662][ T7155]  ? lockdep_hardirqs_on+0x9c/0x150
[  259.205681][ T7155]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.205698][ T7155]  ? clear_bhb_loop+0x60/0xb0
[  259.205720][ T7155]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.205736][ T7155] RIP: 0033:0x7facde59038a
[  259.205753][ T7155] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  259.205769][ T7155] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.205789][ T7155] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  259.205802][ T7155] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  259.205816][ T7155] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  259.205828][ T7155] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.205840][ T7155] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  259.205870][ T7155]  </TASK>
[  259.516465][ T7155] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.530401][ T7155] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.855952][ T7159] loop1: detected capacity change from 0 to 32768
[  259.879695][ T7159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.887249][ T7159] CPU: 1 UID: 0 PID: 7159 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  259.887274][ T7159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  259.887285][ T7159] Call Trace:
[  259.887293][ T7159]  <TASK>
[  259.887302][ T7159]  dump_stack_lvl+0x189/0x250
[  259.887328][ T7159]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.887347][ T7159]  ? __pfx__printk+0x10/0x10
[  259.887371][ T7159]  ? kernfs_path_from_node+0x250/0x290
[  259.887387][ T7159]  ? kernfs_path_from_node+0x2f/0x290
[  259.887409][ T7159]  sysfs_create_dir_ns+0x259/0x280
[  259.887430][ T7159]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.887450][ T7159]  ? do_raw_spin_unlock+0x122/0x240
[  259.887473][ T7159]  kobject_add_internal+0x59f/0xb40
[  259.887502][ T7159]  kobject_init_and_add+0x125/0x190
[  259.887530][ T7159]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.887555][ T7159]  ? __raw_spin_lock_init+0x45/0x100
[  259.887575][ T7159]  ? __init_swait_queue_head+0xa9/0x150
[  259.887597][ T7159]  gfs2_sys_fs_add+0x234/0x450
[  259.887626][ T7159]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.887656][ T7159]  ? is_dynamic_key+0xd6/0x1c0
[  259.887677][ T7159]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.887711][ T7159]  gfs2_fill_super+0x13e8/0x2230
[  259.887746][ T7159]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.887769][ T7159]  ? sb_set_blocksize+0x104/0x180
[  259.887794][ T7159]  ? setup_bdev_super+0x4c1/0x5b0
[  259.887820][ T7159]  get_tree_bdev_flags+0x40e/0x4d0
[  259.887842][ T7159]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.887869][ T7159]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.887889][ T7159]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  259.887924][ T7159]  gfs2_get_tree+0x51/0x1e0
[  259.887947][ T7159]  vfs_get_tree+0x92/0x2b0
[  259.887973][ T7159]  do_new_mount+0x302/0xa10
[  259.887995][ T7159]  ? apparmor_capable+0x137/0x1b0
[  259.888034][ T7159]  ? __pfx_do_new_mount+0x10/0x10
[  259.888055][ T7159]  ? ns_capable+0x8a/0xf0
[  259.888082][ T7159]  ? kmem_cache_free+0x19b/0x690
[  259.888111][ T7159]  __se_sys_mount+0x313/0x410
[  259.888140][ T7159]  ? __pfx___se_sys_mount+0x10/0x10
[  259.888166][ T7159]  ? do_syscall_64+0xbe/0xfa0
[  259.888185][ T7159]  ? __x64_sys_mount+0x20/0xc0
[  259.888209][ T7159]  do_syscall_64+0xfa/0xfa0
[  259.888228][ T7159]  ? lockdep_hardirqs_on+0x9c/0x150
[  259.888248][ T7159]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.888264][ T7159]  ? clear_bhb_loop+0x60/0xb0
[  259.888286][ T7159]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.888303][ T7159] RIP: 0033:0x7facde59038a
[  259.888320][ T7159] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  259.888335][ T7159] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.888356][ T7159] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  259.888369][ T7159] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  259.888381][ T7159] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  259.888393][ T7159] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  259.888405][ T7159] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  259.888435][ T7159]  </TASK>
[  259.888479][ T7159] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.215861][ T7159] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.544991][ T7163] loop1: detected capacity change from 0 to 32768
[  260.565728][ T7163] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.573148][ T7163] CPU: 0 UID: 0 PID: 7163 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  260.573173][ T7163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  260.573185][ T7163] Call Trace:
[  260.573193][ T7163]  <TASK>
[  260.573201][ T7163]  dump_stack_lvl+0x189/0x250
[  260.573228][ T7163]  ? __pfx_dump_stack_lvl+0x10/0x10
[  260.573248][ T7163]  ? __pfx__printk+0x10/0x10
[  260.573273][ T7163]  ? kernfs_path_from_node+0x250/0x290
[  260.573292][ T7163]  ? kernfs_path_from_node+0x2f/0x290
[  260.573314][ T7163]  sysfs_create_dir_ns+0x259/0x280
[  260.573336][ T7163]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  260.573356][ T7163]  ? do_raw_spin_unlock+0x122/0x240
[  260.573382][ T7163]  kobject_add_internal+0x59f/0xb40
[  260.573415][ T7163]  kobject_init_and_add+0x125/0x190
[  260.573445][ T7163]  ? __pfx_kobject_init_and_add+0x10/0x10
[  260.573469][ T7163]  ? __raw_spin_lock_init+0x45/0x100
[  260.573490][ T7163]  ? __init_swait_queue_head+0xa9/0x150
[  260.573513][ T7163]  gfs2_sys_fs_add+0x234/0x450
[  260.573542][ T7163]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  260.573573][ T7163]  ? is_dynamic_key+0xd6/0x1c0
[  260.573595][ T7163]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  260.573628][ T7163]  gfs2_fill_super+0x13e8/0x2230
[  260.573665][ T7163]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.573691][ T7163]  ? sb_set_blocksize+0x104/0x180
[  260.573715][ T7163]  ? setup_bdev_super+0x4c1/0x5b0
[  260.573741][ T7163]  get_tree_bdev_flags+0x40e/0x4d0
[  260.573763][ T7163]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.573784][ T7163]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  260.573803][ T7163]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  260.573837][ T7163]  gfs2_get_tree+0x51/0x1e0
[  260.573860][ T7163]  vfs_get_tree+0x92/0x2b0
[  260.573883][ T7163]  do_new_mount+0x302/0xa10
[  260.573903][ T7163]  ? apparmor_capable+0x137/0x1b0
[  260.573933][ T7163]  ? __pfx_do_new_mount+0x10/0x10
[  260.573964][ T7163]  ? ns_capable+0x8a/0xf0
[  260.573991][ T7163]  ? kmem_cache_free+0x19b/0x690
[  260.574022][ T7163]  __se_sys_mount+0x313/0x410
[  260.574051][ T7163]  ? __pfx___se_sys_mount+0x10/0x10
[  260.574078][ T7163]  ? do_syscall_64+0xbe/0xfa0
[  260.574097][ T7163]  ? __x64_sys_mount+0x20/0xc0
[  260.574122][ T7163]  do_syscall_64+0xfa/0xfa0
[  260.574141][ T7163]  ? lockdep_hardirqs_on+0x9c/0x150
[  260.574160][ T7163]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.574177][ T7163]  ? clear_bhb_loop+0x60/0xb0
[  260.574199][ T7163]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.574216][ T7163] RIP: 0033:0x7facde59038a
[  260.574234][ T7163] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.574250][ T7163] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.574270][ T7163] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  260.574285][ T7163] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  260.574299][ T7163] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  260.574311][ T7163] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  260.574323][ T7163] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  260.574353][ T7163]  </TASK>
[  260.574380][ T7163] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.902334][ T7163] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.228933][ T7167] loop1: detected capacity change from 0 to 32768
[  261.253206][ T7167] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.261032][ T7167] CPU: 0 UID: 0 PID: 7167 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  261.261058][ T7167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  261.261069][ T7167] Call Trace:
[  261.261078][ T7167]  <TASK>
[  261.261086][ T7167]  dump_stack_lvl+0x189/0x250
[  261.261114][ T7167]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.261134][ T7167]  ? __pfx__printk+0x10/0x10
[  261.261158][ T7167]  ? kernfs_path_from_node+0x250/0x290
[  261.261177][ T7167]  ? kernfs_path_from_node+0x2f/0x290
[  261.261200][ T7167]  sysfs_create_dir_ns+0x259/0x280
[  261.261222][ T7167]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.261242][ T7167]  ? do_raw_spin_unlock+0x122/0x240
[  261.261267][ T7167]  kobject_add_internal+0x59f/0xb40
[  261.261299][ T7167]  kobject_init_and_add+0x125/0x190
[  261.261329][ T7167]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.261353][ T7167]  ? __raw_spin_lock_init+0x45/0x100
[  261.261373][ T7167]  ? __init_swait_queue_head+0xa9/0x150
[  261.261397][ T7167]  gfs2_sys_fs_add+0x234/0x450
[  261.261425][ T7167]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.261456][ T7167]  ? is_dynamic_key+0xd6/0x1c0
[  261.261477][ T7167]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.261511][ T7167]  gfs2_fill_super+0x13e8/0x2230
[  261.261547][ T7167]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.261572][ T7167]  ? sb_set_blocksize+0x104/0x180
[  261.261600][ T7167]  ? setup_bdev_super+0x4c1/0x5b0
[  261.261626][ T7167]  get_tree_bdev_flags+0x40e/0x4d0
[  261.261648][ T7167]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.261667][ T7167]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.261686][ T7167]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.261722][ T7167]  gfs2_get_tree+0x51/0x1e0
[  261.261746][ T7167]  vfs_get_tree+0x92/0x2b0
[  261.261770][ T7167]  do_new_mount+0x302/0xa10
[  261.261790][ T7167]  ? apparmor_capable+0x137/0x1b0
[  261.261821][ T7167]  ? __pfx_do_new_mount+0x10/0x10
[  261.261850][ T7167]  ? ns_capable+0x8a/0xf0
[  261.261881][ T7167]  ? kmem_cache_free+0x19b/0x690
[  261.261918][ T7167]  __se_sys_mount+0x313/0x410
[  261.261947][ T7167]  ? __pfx___se_sys_mount+0x10/0x10
[  261.261973][ T7167]  ? do_syscall_64+0xbe/0xfa0
[  261.261992][ T7167]  ? __x64_sys_mount+0x20/0xc0
[  261.262016][ T7167]  do_syscall_64+0xfa/0xfa0
[  261.262036][ T7167]  ? lockdep_hardirqs_on+0x9c/0x150
[  261.262056][ T7167]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.262072][ T7167]  ? clear_bhb_loop+0x60/0xb0
[  261.262095][ T7167]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.262112][ T7167] RIP: 0033:0x7facde59038a
[  261.262128][ T7167] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.262144][ T7167] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.262164][ T7167] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  261.262178][ T7167] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  261.262191][ T7167] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  261.262204][ T7167] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.262216][ T7167] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  261.262247][ T7167]  </TASK>
[  261.262296][ T7167] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.592102][ T7167] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/17 12:23:22 executed programs: 171
[  261.928858][ T7171] loop1: detected capacity change from 0 to 32768
[  261.941997][ T7171] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.949905][ T7171] CPU: 1 UID: 0 PID: 7171 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  261.949930][ T7171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  261.949941][ T7171] Call Trace:
[  261.949949][ T7171]  <TASK>
[  261.949958][ T7171]  dump_stack_lvl+0x189/0x250
[  261.949986][ T7171]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.950006][ T7171]  ? __pfx__printk+0x10/0x10
[  261.950031][ T7171]  ? kernfs_path_from_node+0x250/0x290
[  261.950057][ T7171]  ? kernfs_path_from_node+0x2f/0x290
[  261.950079][ T7171]  sysfs_create_dir_ns+0x259/0x280
[  261.950100][ T7171]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.950119][ T7171]  ? do_raw_spin_unlock+0x122/0x240
[  261.950144][ T7171]  kobject_add_internal+0x59f/0xb40
[  261.950174][ T7171]  kobject_init_and_add+0x125/0x190
[  261.950203][ T7171]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.950227][ T7171]  ? __raw_spin_lock_init+0x45/0x100
[  261.950247][ T7171]  ? __init_swait_queue_head+0xa9/0x150
[  261.950270][ T7171]  gfs2_sys_fs_add+0x234/0x450
[  261.950299][ T7171]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.950329][ T7171]  ? is_dynamic_key+0xd6/0x1c0
[  261.950351][ T7171]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.950383][ T7171]  gfs2_fill_super+0x13e8/0x2230
[  261.950420][ T7171]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.950443][ T7171]  ? sb_set_blocksize+0x104/0x180
[  261.950467][ T7171]  ? setup_bdev_super+0x4c1/0x5b0
[  261.950491][ T7171]  get_tree_bdev_flags+0x40e/0x4d0
[  261.950513][ T7171]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.950533][ T7171]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.950553][ T7171]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  261.950590][ T7171]  gfs2_get_tree+0x51/0x1e0
[  261.950614][ T7171]  vfs_get_tree+0x92/0x2b0
[  261.950637][ T7171]  do_new_mount+0x302/0xa10
[  261.950658][ T7171]  ? apparmor_capable+0x137/0x1b0
[  261.950688][ T7171]  ? __pfx_do_new_mount+0x10/0x10
[  261.950710][ T7171]  ? ns_capable+0x8a/0xf0
[  261.950737][ T7171]  ? kmem_cache_free+0x19b/0x690
[  261.950769][ T7171]  __se_sys_mount+0x313/0x410
[  261.950798][ T7171]  ? __pfx___se_sys_mount+0x10/0x10
[  261.950824][ T7171]  ? do_syscall_64+0xbe/0xfa0
[  261.950842][ T7171]  ? __x64_sys_mount+0x20/0xc0
[  261.950868][ T7171]  do_syscall_64+0xfa/0xfa0
[  261.950887][ T7171]  ? lockdep_hardirqs_on+0x9c/0x150
[  261.950907][ T7171]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.950926][ T7171]  ? clear_bhb_loop+0x60/0xb0
[  261.950948][ T7171]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.950965][ T7171] RIP: 0033:0x7facde59038a
[  261.950981][ T7171] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.950996][ T7171] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.951016][ T7171] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  261.951029][ T7171] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  261.951050][ T7171] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  261.951062][ T7171] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  261.951073][ T7171] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  261.951102][ T7171]  </TASK>
[  261.951130][ T7171] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.280541][ T7171] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.606529][ T7175] loop1: detected capacity change from 0 to 32768
[  262.630787][ T7175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.638363][ T7175] CPU: 1 UID: 0 PID: 7175 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  262.638388][ T7175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  262.638399][ T7175] Call Trace:
[  262.638407][ T7175]  <TASK>
[  262.638415][ T7175]  dump_stack_lvl+0x189/0x250
[  262.638441][ T7175]  ? __pfx_dump_stack_lvl+0x10/0x10
[  262.638460][ T7175]  ? __pfx__printk+0x10/0x10
[  262.638483][ T7175]  ? kernfs_path_from_node+0x250/0x290
[  262.638501][ T7175]  ? kernfs_path_from_node+0x2f/0x290
[  262.638523][ T7175]  sysfs_create_dir_ns+0x259/0x280
[  262.638544][ T7175]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.638565][ T7175]  ? do_raw_spin_unlock+0x122/0x240
[  262.638590][ T7175]  kobject_add_internal+0x59f/0xb40
[  262.638622][ T7175]  kobject_init_and_add+0x125/0x190
[  262.638651][ T7175]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.638675][ T7175]  ? __raw_spin_lock_init+0x45/0x100
[  262.638695][ T7175]  ? __init_swait_queue_head+0xa9/0x150
[  262.638718][ T7175]  gfs2_sys_fs_add+0x234/0x450
[  262.638754][ T7175]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.638785][ T7175]  ? is_dynamic_key+0xd6/0x1c0
[  262.638807][ T7175]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.638842][ T7175]  gfs2_fill_super+0x13e8/0x2230
[  262.638877][ T7175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.638902][ T7175]  ? sb_set_blocksize+0x104/0x180
[  262.638926][ T7175]  ? setup_bdev_super+0x4c1/0x5b0
[  262.638952][ T7175]  get_tree_bdev_flags+0x40e/0x4d0
[  262.638973][ T7175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.638994][ T7175]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.639014][ T7175]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  262.639050][ T7175]  gfs2_get_tree+0x51/0x1e0
[  262.639074][ T7175]  vfs_get_tree+0x92/0x2b0
[  262.639099][ T7175]  do_new_mount+0x302/0xa10
[  262.639120][ T7175]  ? apparmor_capable+0x137/0x1b0
[  262.639150][ T7175]  ? __pfx_do_new_mount+0x10/0x10
[  262.639174][ T7175]  ? ns_capable+0x8a/0xf0
[  262.639200][ T7175]  ? kmem_cache_free+0x19b/0x690
[  262.639233][ T7175]  __se_sys_mount+0x313/0x410
[  262.639263][ T7175]  ? __pfx___se_sys_mount+0x10/0x10
[  262.639290][ T7175]  ? do_syscall_64+0xbe/0xfa0
[  262.639309][ T7175]  ? __x64_sys_mount+0x20/0xc0
[  262.639334][ T7175]  do_syscall_64+0xfa/0xfa0
[  262.639353][ T7175]  ? lockdep_hardirqs_on+0x9c/0x150
[  262.639373][ T7175]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.639390][ T7175]  ? clear_bhb_loop+0x60/0xb0
[  262.639413][ T7175]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.639431][ T7175] RIP: 0033:0x7facde59038a
[  262.639448][ T7175] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  262.639464][ T7175] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.639485][ T7175] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  262.639499][ T7175] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  262.639513][ T7175] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  262.639525][ T7175] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  262.639537][ T7175] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  262.639568][ T7175]  </TASK>
[  262.639596][ T7175] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.967728][ T7175] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.302541][ T7179] loop1: detected capacity change from 0 to 32768
[  263.313565][ T7179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.321101][ T7179] CPU: 1 UID: 0 PID: 7179 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  263.321127][ T7179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  263.321137][ T7179] Call Trace:
[  263.321145][ T7179]  <TASK>
[  263.321153][ T7179]  dump_stack_lvl+0x189/0x250
[  263.321182][ T7179]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.321201][ T7179]  ? __pfx__printk+0x10/0x10
[  263.321226][ T7179]  ? kernfs_path_from_node+0x250/0x290
[  263.321243][ T7179]  ? kernfs_path_from_node+0x2f/0x290
[  263.321266][ T7179]  sysfs_create_dir_ns+0x259/0x280
[  263.321287][ T7179]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.321307][ T7179]  ? do_raw_spin_unlock+0x122/0x240
[  263.321330][ T7179]  kobject_add_internal+0x59f/0xb40
[  263.321363][ T7179]  kobject_init_and_add+0x125/0x190
[  263.321390][ T7179]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.321415][ T7179]  ? __raw_spin_lock_init+0x45/0x100
[  263.321437][ T7179]  ? __init_swait_queue_head+0xa9/0x150
[  263.321461][ T7179]  gfs2_sys_fs_add+0x234/0x450
[  263.321490][ T7179]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.321522][ T7179]  ? is_dynamic_key+0xd6/0x1c0
[  263.321541][ T7179]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.321572][ T7179]  gfs2_fill_super+0x13e8/0x2230
[  263.321604][ T7179]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.321625][ T7179]  ? sb_set_blocksize+0x104/0x180
[  263.321736][ T7179]  ? setup_bdev_super+0x4c1/0x5b0
[  263.321761][ T7179]  get_tree_bdev_flags+0x40e/0x4d0
[  263.321783][ T7179]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.321803][ T7179]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.321822][ T7179]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  263.321856][ T7179]  gfs2_get_tree+0x51/0x1e0
[  263.321880][ T7179]  vfs_get_tree+0x92/0x2b0
[  263.321901][ T7179]  do_new_mount+0x302/0xa10
[  263.321919][ T7179]  ? apparmor_capable+0x137/0x1b0
[  263.321949][ T7179]  ? __pfx_do_new_mount+0x10/0x10
[  263.321970][ T7179]  ? ns_capable+0x8a/0xf0
[  263.321997][ T7179]  ? kmem_cache_free+0x19b/0x690
[  263.322027][ T7179]  __se_sys_mount+0x313/0x410
[  263.322055][ T7179]  ? __pfx___se_sys_mount+0x10/0x10
[  263.322082][ T7179]  ? do_syscall_64+0xbe/0xfa0
[  263.322101][ T7179]  ? __x64_sys_mount+0x20/0xc0
[  263.322130][ T7179]  do_syscall_64+0xfa/0xfa0
[  263.322150][ T7179]  ? lockdep_hardirqs_on+0x9c/0x150
[  263.322171][ T7179]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.322189][ T7179]  ? clear_bhb_loop+0x60/0xb0
[  263.322210][ T7179]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.322228][ T7179] RIP: 0033:0x7facde59038a
[  263.322244][ T7179] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  263.322259][ T7179] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.322278][ T7179] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  263.322292][ T7179] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  263.322305][ T7179] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  263.322316][ T7179] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  263.322328][ T7179] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  263.322357][ T7179]  </TASK>
[  263.322413][ T7179] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.649022][ T7179] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.984510][ T7183] loop1: detected capacity change from 0 to 32768
[  264.008459][ T7183] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.016745][ T7183] CPU: 1 UID: 0 PID: 7183 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  264.016770][ T7183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  264.016782][ T7183] Call Trace:
[  264.016790][ T7183]  <TASK>
[  264.016799][ T7183]  dump_stack_lvl+0x189/0x250
[  264.016827][ T7183]  ? __pfx_dump_stack_lvl+0x10/0x10
[  264.016847][ T7183]  ? __pfx__printk+0x10/0x10
[  264.016871][ T7183]  ? kernfs_path_from_node+0x250/0x290
[  264.016899][ T7183]  ? kernfs_path_from_node+0x2f/0x290
[  264.016922][ T7183]  sysfs_create_dir_ns+0x259/0x280
[  264.016944][ T7183]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.016965][ T7183]  ? do_raw_spin_unlock+0x122/0x240
[  264.016991][ T7183]  kobject_add_internal+0x59f/0xb40
[  264.017023][ T7183]  kobject_init_and_add+0x125/0x190
[  264.017052][ T7183]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.017076][ T7183]  ? __raw_spin_lock_init+0x45/0x100
[  264.017098][ T7183]  ? __init_swait_queue_head+0xa9/0x150
[  264.017122][ T7183]  gfs2_sys_fs_add+0x234/0x450
[  264.017151][ T7183]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.017182][ T7183]  ? is_dynamic_key+0xd6/0x1c0
[  264.017204][ T7183]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.017239][ T7183]  gfs2_fill_super+0x13e8/0x2230
[  264.017277][ T7183]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.017301][ T7183]  ? sb_set_blocksize+0x104/0x180
[  264.017325][ T7183]  ? setup_bdev_super+0x4c1/0x5b0
[  264.017350][ T7183]  get_tree_bdev_flags+0x40e/0x4d0
[  264.017372][ T7183]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.017392][ T7183]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.017412][ T7183]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.017448][ T7183]  gfs2_get_tree+0x51/0x1e0
[  264.017472][ T7183]  vfs_get_tree+0x92/0x2b0
[  264.017496][ T7183]  do_new_mount+0x302/0xa10
[  264.017517][ T7183]  ? apparmor_capable+0x137/0x1b0
[  264.017548][ T7183]  ? __pfx_do_new_mount+0x10/0x10
[  264.017570][ T7183]  ? ns_capable+0x8a/0xf0
[  264.017598][ T7183]  ? kmem_cache_free+0x19b/0x690
[  264.017629][ T7183]  __se_sys_mount+0x313/0x410
[  264.017658][ T7183]  ? __pfx___se_sys_mount+0x10/0x10
[  264.017685][ T7183]  ? do_syscall_64+0xbe/0xfa0
[  264.017704][ T7183]  ? __x64_sys_mount+0x20/0xc0
[  264.017728][ T7183]  do_syscall_64+0xfa/0xfa0
[  264.017747][ T7183]  ? lockdep_hardirqs_on+0x9c/0x150
[  264.017768][ T7183]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.017786][ T7183]  ? clear_bhb_loop+0x60/0xb0
[  264.017808][ T7183]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.017826][ T7183] RIP: 0033:0x7facde59038a
[  264.017842][ T7183] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  264.017858][ T7183] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.017885][ T7183] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  264.017900][ T7183] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  264.017913][ T7183] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  264.017926][ T7183] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  264.017938][ T7183] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  264.017969][ T7183]  </TASK>
[  264.018177][ T7183] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.345402][ T7183] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.676216][ T7187] loop1: detected capacity change from 0 to 32768
[  264.686308][ T7187] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.693723][ T7187] CPU: 1 UID: 0 PID: 7187 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  264.693747][ T7187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  264.693758][ T7187] Call Trace:
[  264.693766][ T7187]  <TASK>
[  264.693774][ T7187]  dump_stack_lvl+0x189/0x250
[  264.693808][ T7187]  ? __pfx_dump_stack_lvl+0x10/0x10
[  264.693827][ T7187]  ? __pfx__printk+0x10/0x10
[  264.693850][ T7187]  ? kernfs_path_from_node+0x250/0x290
[  264.693869][ T7187]  ? kernfs_path_from_node+0x2f/0x290
[  264.693891][ T7187]  sysfs_create_dir_ns+0x259/0x280
[  264.693913][ T7187]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.693934][ T7187]  ? do_raw_spin_unlock+0x122/0x240
[  264.693958][ T7187]  kobject_add_internal+0x59f/0xb40
[  264.693989][ T7187]  kobject_init_and_add+0x125/0x190
[  264.694018][ T7187]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.694042][ T7187]  ? __raw_spin_lock_init+0x45/0x100
[  264.694063][ T7187]  ? __init_swait_queue_head+0xa9/0x150
[  264.694085][ T7187]  gfs2_sys_fs_add+0x234/0x450
[  264.694113][ T7187]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.694143][ T7187]  ? is_dynamic_key+0xd6/0x1c0
[  264.694166][ T7187]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.694201][ T7187]  gfs2_fill_super+0x13e8/0x2230
[  264.694239][ T7187]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.694264][ T7187]  ? sb_set_blocksize+0x104/0x180
[  264.694288][ T7187]  ? setup_bdev_super+0x4c1/0x5b0
[  264.694313][ T7187]  get_tree_bdev_flags+0x40e/0x4d0
[  264.694334][ T7187]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.694354][ T7187]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.694374][ T7187]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  264.694408][ T7187]  gfs2_get_tree+0x51/0x1e0
[  264.694432][ T7187]  vfs_get_tree+0x92/0x2b0
[  264.694456][ T7187]  do_new_mount+0x302/0xa10
[  264.694477][ T7187]  ? apparmor_capable+0x137/0x1b0
[  264.694507][ T7187]  ? __pfx_do_new_mount+0x10/0x10
[  264.694529][ T7187]  ? ns_capable+0x8a/0xf0
[  264.694555][ T7187]  ? kmem_cache_free+0x19b/0x690
[  264.694586][ T7187]  __se_sys_mount+0x313/0x410
[  264.694616][ T7187]  ? __pfx___se_sys_mount+0x10/0x10
[  264.694641][ T7187]  ? do_syscall_64+0xbe/0xfa0
[  264.694659][ T7187]  ? __x64_sys_mount+0x20/0xc0
[  264.694684][ T7187]  do_syscall_64+0xfa/0xfa0
[  264.694707][ T7187]  ? lockdep_hardirqs_on+0x9c/0x150
[  264.694724][ T7187]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.694740][ T7187]  ? clear_bhb_loop+0x60/0xb0
[  264.694762][ T7187]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.694780][ T7187] RIP: 0033:0x7facde59038a
[  264.694803][ T7187] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  264.694820][ T7187] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.694840][ T7187] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  264.694854][ T7187] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  264.694867][ T7187] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  264.694879][ T7187] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  264.694892][ T7187] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  264.694920][ T7187]  </TASK>
[  265.013832][ T7187] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.027916][ T7187] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.373810][ T7191] loop1: detected capacity change from 0 to 32768
[  265.398347][ T7191] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.405883][ T7191] CPU: 1 UID: 0 PID: 7191 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  265.405908][ T7191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  265.405923][ T7191] Call Trace:
[  265.405931][ T7191]  <TASK>
[  265.405939][ T7191]  dump_stack_lvl+0x189/0x250
[  265.405967][ T7191]  ? __pfx_dump_stack_lvl+0x10/0x10
[  265.405986][ T7191]  ? __pfx__printk+0x10/0x10
[  265.406011][ T7191]  ? kernfs_path_from_node+0x250/0x290
[  265.406030][ T7191]  ? kernfs_path_from_node+0x2f/0x290
[  265.406054][ T7191]  sysfs_create_dir_ns+0x259/0x280
[  265.406080][ T7191]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.406101][ T7191]  ? do_raw_spin_unlock+0x122/0x240
[  265.406126][ T7191]  kobject_add_internal+0x59f/0xb40
[  265.406164][ T7191]  kobject_init_and_add+0x125/0x190
[  265.406194][ T7191]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.406219][ T7191]  ? __raw_spin_lock_init+0x45/0x100
[  265.406238][ T7191]  ? __init_swait_queue_head+0xa9/0x150
[  265.406261][ T7191]  gfs2_sys_fs_add+0x234/0x450
[  265.406293][ T7191]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.406325][ T7191]  ? is_dynamic_key+0xd6/0x1c0
[  265.406345][ T7191]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.406381][ T7191]  gfs2_fill_super+0x13e8/0x2230
[  265.406416][ T7191]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.406456][ T7191]  ? sb_set_blocksize+0x104/0x180
[  265.406480][ T7191]  ? setup_bdev_super+0x4c1/0x5b0
[  265.406504][ T7191]  get_tree_bdev_flags+0x40e/0x4d0
[  265.406526][ T7191]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.406545][ T7191]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.406565][ T7191]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  265.406602][ T7191]  gfs2_get_tree+0x51/0x1e0
[  265.406624][ T7191]  vfs_get_tree+0x92/0x2b0
[  265.406647][ T7191]  do_new_mount+0x302/0xa10
[  265.406668][ T7191]  ? apparmor_capable+0x137/0x1b0
[  265.406699][ T7191]  ? __pfx_do_new_mount+0x10/0x10
[  265.406720][ T7191]  ? ns_capable+0x8a/0xf0
[  265.406745][ T7191]  ? kmem_cache_free+0x19b/0x690
[  265.406776][ T7191]  __se_sys_mount+0x313/0x410
[  265.406807][ T7191]  ? __pfx___se_sys_mount+0x10/0x10
[  265.406838][ T7191]  ? do_syscall_64+0xbe/0xfa0
[  265.406857][ T7191]  ? __x64_sys_mount+0x20/0xc0
[  265.406886][ T7191]  do_syscall_64+0xfa/0xfa0
[  265.406904][ T7191]  ? lockdep_hardirqs_on+0x9c/0x150
[  265.406924][ T7191]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.406941][ T7191]  ? clear_bhb_loop+0x60/0xb0
[  265.406962][ T7191]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.406979][ T7191] RIP: 0033:0x7facde59038a
[  265.406996][ T7191] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  265.407011][ T7191] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.407031][ T7191] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  265.407045][ T7191] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  265.407058][ T7191] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  265.407070][ T7191] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  265.407082][ T7191] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  265.407112][ T7191]  </TASK>
[  265.407143][ T7191] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.734444][ T7191] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.193906][ T7195] loop1: detected capacity change from 0 to 32768
[  266.225043][ T7195] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.242719][ T7195] CPU: 1 UID: 0 PID: 7195 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  266.242747][ T7195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  266.242759][ T7195] Call Trace:
[  266.242767][ T7195]  <TASK>
[  266.242774][ T7195]  dump_stack_lvl+0x189/0x250
[  266.242801][ T7195]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.242821][ T7195]  ? __pfx__printk+0x10/0x10
[  266.242845][ T7195]  ? kernfs_path_from_node+0x250/0x290
[  266.242865][ T7195]  ? kernfs_path_from_node+0x2f/0x290
[  266.242888][ T7195]  sysfs_create_dir_ns+0x259/0x280
[  266.242911][ T7195]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.242932][ T7195]  ? do_raw_spin_unlock+0x122/0x240
[  266.242958][ T7195]  kobject_add_internal+0x59f/0xb40
[  266.242989][ T7195]  kobject_init_and_add+0x125/0x190
[  266.243018][ T7195]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.243042][ T7195]  ? __raw_spin_lock_init+0x45/0x100
[  266.243063][ T7195]  ? __init_swait_queue_head+0xa9/0x150
[  266.243087][ T7195]  gfs2_sys_fs_add+0x234/0x450
[  266.243116][ T7195]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.243148][ T7195]  ? is_dynamic_key+0xd6/0x1c0
[  266.243170][ T7195]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.243204][ T7195]  gfs2_fill_super+0x13e8/0x2230
[  266.243239][ T7195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.243265][ T7195]  ? sb_set_blocksize+0x104/0x180
[  266.243290][ T7195]  ? setup_bdev_super+0x4c1/0x5b0
[  266.243316][ T7195]  get_tree_bdev_flags+0x40e/0x4d0
[  266.243339][ T7195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.243359][ T7195]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.243379][ T7195]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.243423][ T7195]  gfs2_get_tree+0x51/0x1e0
[  266.243447][ T7195]  vfs_get_tree+0x92/0x2b0
[  266.243470][ T7195]  do_new_mount+0x302/0xa10
[  266.243492][ T7195]  ? apparmor_capable+0x137/0x1b0
[  266.243523][ T7195]  ? __pfx_do_new_mount+0x10/0x10
[  266.243545][ T7195]  ? ns_capable+0x8a/0xf0
[  266.243572][ T7195]  ? kmem_cache_free+0x19b/0x690
[  266.243604][ T7195]  __se_sys_mount+0x313/0x410
[  266.243633][ T7195]  ? __pfx___se_sys_mount+0x10/0x10
[  266.243660][ T7195]  ? do_syscall_64+0xbe/0xfa0
[  266.243679][ T7195]  ? __x64_sys_mount+0x20/0xc0
[  266.243704][ T7195]  do_syscall_64+0xfa/0xfa0
[  266.243723][ T7195]  ? lockdep_hardirqs_on+0x9c/0x150
[  266.243744][ T7195]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.243761][ T7195]  ? clear_bhb_loop+0x60/0xb0
[  266.243784][ T7195]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.243801][ T7195] RIP: 0033:0x7facde59038a
[  266.243818][ T7195] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.243834][ T7195] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.243855][ T7195] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  266.243869][ T7195] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  266.243883][ T7195] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  266.243896][ T7195] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  266.243908][ T7195] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  266.243938][ T7195]  </TASK>
[  266.243963][ T7195] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.572320][ T7195] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.902292][ T7199] loop1: detected capacity change from 0 to 32768
[  266.912597][ T7199] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.920450][ T7199] CPU: 0 UID: 0 PID: 7199 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  266.920474][ T7199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  266.920485][ T7199] Call Trace:
[  266.920492][ T7199]  <TASK>
[  266.920500][ T7199]  dump_stack_lvl+0x189/0x250
[  266.920528][ T7199]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.920555][ T7199]  ? __pfx__printk+0x10/0x10
[  266.920579][ T7199]  ? kernfs_path_from_node+0x250/0x290
[  266.920596][ T7199]  ? kernfs_path_from_node+0x2f/0x290
[  266.920617][ T7199]  sysfs_create_dir_ns+0x259/0x280
[  266.920635][ T7199]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.920656][ T7199]  ? do_raw_spin_unlock+0x122/0x240
[  266.920679][ T7199]  kobject_add_internal+0x59f/0xb40
[  266.920710][ T7199]  kobject_init_and_add+0x125/0x190
[  266.920737][ T7199]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.920759][ T7199]  ? __raw_spin_lock_init+0x45/0x100
[  266.920778][ T7199]  ? __init_swait_queue_head+0xa9/0x150
[  266.920801][ T7199]  gfs2_sys_fs_add+0x234/0x450
[  266.920829][ T7199]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.920859][ T7199]  ? is_dynamic_key+0xd6/0x1c0
[  266.920880][ T7199]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.920912][ T7199]  gfs2_fill_super+0x13e8/0x2230
[  266.920948][ T7199]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.920973][ T7199]  ? sb_set_blocksize+0x104/0x180
[  266.920997][ T7199]  ? setup_bdev_super+0x4c1/0x5b0
[  266.921020][ T7199]  get_tree_bdev_flags+0x40e/0x4d0
[  266.921041][ T7199]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.921062][ T7199]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.921082][ T7199]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  266.921119][ T7199]  gfs2_get_tree+0x51/0x1e0
[  266.921142][ T7199]  vfs_get_tree+0x92/0x2b0
[  266.921166][ T7199]  do_new_mount+0x302/0xa10
[  266.921191][ T7199]  ? apparmor_capable+0x137/0x1b0
[  266.921221][ T7199]  ? __pfx_do_new_mount+0x10/0x10
[  266.921243][ T7199]  ? ns_capable+0x8a/0xf0
[  266.921269][ T7199]  ? kmem_cache_free+0x19b/0x690
[  266.921297][ T7199]  __se_sys_mount+0x313/0x410
[  266.921325][ T7199]  ? __pfx___se_sys_mount+0x10/0x10
[  266.921350][ T7199]  ? do_syscall_64+0xbe/0xfa0
[  266.921369][ T7199]  ? __x64_sys_mount+0x20/0xc0
[  266.921394][ T7199]  do_syscall_64+0xfa/0xfa0
[  266.921412][ T7199]  ? lockdep_hardirqs_on+0x9c/0x150
[  266.921433][ T7199]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.921450][ T7199]  ? clear_bhb_loop+0x60/0xb0
[  266.921472][ T7199]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.921489][ T7199] RIP: 0033:0x7facde59038a
[  266.921506][ T7199] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.921521][ T7199] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.921549][ T7199] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  266.921563][ T7199] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  266.921575][ T7199] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  266.921586][ T7199] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  266.921598][ T7199] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  266.921628][ T7199]  </TASK>
[  266.921713][ T7199] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.248403][ T7199] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/17 12:23:28 executed programs: 179
[  267.581944][ T7203] loop1: detected capacity change from 0 to 32768
[  267.597175][ T7203] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.604579][ T7203] CPU: 1 UID: 0 PID: 7203 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  267.604605][ T7203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  267.604616][ T7203] Call Trace:
[  267.604624][ T7203]  <TASK>
[  267.604632][ T7203]  dump_stack_lvl+0x189/0x250
[  267.604659][ T7203]  ? __pfx_dump_stack_lvl+0x10/0x10
[  267.604680][ T7203]  ? __pfx__printk+0x10/0x10
[  267.604708][ T7203]  ? kernfs_path_from_node+0x250/0x290
[  267.604724][ T7203]  ? kernfs_path_from_node+0x2f/0x290
[  267.604746][ T7203]  sysfs_create_dir_ns+0x259/0x280
[  267.604766][ T7203]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.604788][ T7203]  ? do_raw_spin_unlock+0x122/0x240
[  267.604813][ T7203]  kobject_add_internal+0x59f/0xb40
[  267.604845][ T7203]  kobject_init_and_add+0x125/0x190
[  267.604874][ T7203]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.604898][ T7203]  ? __raw_spin_lock_init+0x45/0x100
[  267.604918][ T7203]  ? __init_swait_queue_head+0xa9/0x150
[  267.604941][ T7203]  gfs2_sys_fs_add+0x234/0x450
[  267.604968][ T7203]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.604999][ T7203]  ? is_dynamic_key+0xd6/0x1c0
[  267.605021][ T7203]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.605054][ T7203]  gfs2_fill_super+0x13e8/0x2230
[  267.605090][ T7203]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.605114][ T7203]  ? sb_set_blocksize+0x104/0x180
[  267.605139][ T7203]  ? setup_bdev_super+0x4c1/0x5b0
[  267.605164][ T7203]  get_tree_bdev_flags+0x40e/0x4d0
[  267.605186][ T7203]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.605207][ T7203]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.605225][ T7203]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  267.605261][ T7203]  gfs2_get_tree+0x51/0x1e0
[  267.605285][ T7203]  vfs_get_tree+0x92/0x2b0
[  267.605309][ T7203]  do_new_mount+0x302/0xa10
[  267.605330][ T7203]  ? apparmor_capable+0x137/0x1b0
[  267.605362][ T7203]  ? __pfx_do_new_mount+0x10/0x10
[  267.605384][ T7203]  ? ns_capable+0x8a/0xf0
[  267.605410][ T7203]  ? kmem_cache_free+0x19b/0x690
[  267.605441][ T7203]  __se_sys_mount+0x313/0x410
[  267.605477][ T7203]  ? __pfx___se_sys_mount+0x10/0x10
[  267.605503][ T7203]  ? do_syscall_64+0xbe/0xfa0
[  267.605521][ T7203]  ? __x64_sys_mount+0x20/0xc0
[  267.605545][ T7203]  do_syscall_64+0xfa/0xfa0
[  267.605564][ T7203]  ? lockdep_hardirqs_on+0x9c/0x150
[  267.605584][ T7203]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.605601][ T7203]  ? clear_bhb_loop+0x60/0xb0
[  267.605624][ T7203]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.605641][ T7203] RIP: 0033:0x7facde59038a
[  267.605658][ T7203] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  267.605674][ T7203] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.605693][ T7203] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  267.605708][ T7203] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  267.605721][ T7203] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  267.605734][ T7203] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  267.605745][ T7203] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  267.605775][ T7203]  </TASK>
[  267.917748][ T7203] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.932281][ T7203] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.984859][   T52] Bluetooth: hci1: command 0x0406 tx timeout
[  268.247493][ T7207] loop1: detected capacity change from 0 to 32768
[  268.259076][ T7207] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.267632][ T7207] CPU: 1 UID: 0 PID: 7207 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  268.267658][ T7207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  268.267669][ T7207] Call Trace:
[  268.267676][ T7207]  <TASK>
[  268.267685][ T7207]  dump_stack_lvl+0x189/0x250
[  268.267712][ T7207]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.267731][ T7207]  ? __pfx__printk+0x10/0x10
[  268.267754][ T7207]  ? kernfs_path_from_node+0x250/0x290
[  268.267771][ T7207]  ? kernfs_path_from_node+0x2f/0x290
[  268.267794][ T7207]  sysfs_create_dir_ns+0x259/0x280
[  268.267816][ T7207]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.267837][ T7207]  ? do_raw_spin_unlock+0x122/0x240
[  268.267862][ T7207]  kobject_add_internal+0x59f/0xb40
[  268.267894][ T7207]  kobject_init_and_add+0x125/0x190
[  268.267921][ T7207]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.267944][ T7207]  ? __raw_spin_lock_init+0x45/0x100
[  268.267965][ T7207]  ? __init_swait_queue_head+0xa9/0x150
[  268.267988][ T7207]  gfs2_sys_fs_add+0x234/0x450
[  268.268016][ T7207]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.268045][ T7207]  ? is_dynamic_key+0xd6/0x1c0
[  268.268066][ T7207]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.268101][ T7207]  gfs2_fill_super+0x13e8/0x2230
[  268.268137][ T7207]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.268162][ T7207]  ? sb_set_blocksize+0x104/0x180
[  268.268187][ T7207]  ? setup_bdev_super+0x4c1/0x5b0
[  268.268210][ T7207]  get_tree_bdev_flags+0x40e/0x4d0
[  268.268232][ T7207]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.268253][ T7207]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.268272][ T7207]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.268308][ T7207]  gfs2_get_tree+0x51/0x1e0
[  268.268331][ T7207]  vfs_get_tree+0x92/0x2b0
[  268.268355][ T7207]  do_new_mount+0x302/0xa10
[  268.268376][ T7207]  ? apparmor_capable+0x137/0x1b0
[  268.268406][ T7207]  ? __pfx_do_new_mount+0x10/0x10
[  268.268428][ T7207]  ? ns_capable+0x8a/0xf0
[  268.268462][ T7207]  ? kmem_cache_free+0x19b/0x690
[  268.268494][ T7207]  __se_sys_mount+0x313/0x410
[  268.268522][ T7207]  ? __pfx___se_sys_mount+0x10/0x10
[  268.268548][ T7207]  ? do_syscall_64+0xbe/0xfa0
[  268.268566][ T7207]  ? __x64_sys_mount+0x20/0xc0
[  268.268591][ T7207]  do_syscall_64+0xfa/0xfa0
[  268.268610][ T7207]  ? lockdep_hardirqs_on+0x9c/0x150
[  268.268630][ T7207]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.268648][ T7207]  ? clear_bhb_loop+0x60/0xb0
[  268.268670][ T7207]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.268687][ T7207] RIP: 0033:0x7facde59038a
[  268.268704][ T7207] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  268.268720][ T7207] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.268740][ T7207] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  268.268753][ T7207] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  268.268766][ T7207] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  268.268779][ T7207] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.268791][ T7207] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  268.268822][ T7207]  </TASK>
[  268.268847][ T7207] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.595910][ T7207] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.921586][ T7212] loop1: detected capacity change from 0 to 32768
[  268.942404][ T7212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.950082][ T7212] CPU: 0 UID: 0 PID: 7212 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  268.950116][ T7212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  268.950127][ T7212] Call Trace:
[  268.950135][ T7212]  <TASK>
[  268.950144][ T7212]  dump_stack_lvl+0x189/0x250
[  268.950173][ T7212]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.950192][ T7212]  ? __pfx__printk+0x10/0x10
[  268.950217][ T7212]  ? kernfs_path_from_node+0x250/0x290
[  268.950236][ T7212]  ? kernfs_path_from_node+0x2f/0x290
[  268.950258][ T7212]  sysfs_create_dir_ns+0x259/0x280
[  268.950277][ T7212]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.950298][ T7212]  ? do_raw_spin_unlock+0x122/0x240
[  268.950322][ T7212]  kobject_add_internal+0x59f/0xb40
[  268.950353][ T7212]  kobject_init_and_add+0x125/0x190
[  268.950383][ T7212]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.950408][ T7212]  ? __raw_spin_lock_init+0x45/0x100
[  268.950429][ T7212]  ? __init_swait_queue_head+0xa9/0x150
[  268.950451][ T7212]  gfs2_sys_fs_add+0x234/0x450
[  268.950480][ T7212]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.950510][ T7212]  ? is_dynamic_key+0xd6/0x1c0
[  268.950530][ T7212]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.950562][ T7212]  gfs2_fill_super+0x13e8/0x2230
[  268.950598][ T7212]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.950627][ T7212]  ? sb_set_blocksize+0x104/0x180
[  268.950653][ T7212]  ? setup_bdev_super+0x4c1/0x5b0
[  268.950678][ T7212]  get_tree_bdev_flags+0x40e/0x4d0
[  268.950700][ T7212]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.950720][ T7212]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.950740][ T7212]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  268.950774][ T7212]  gfs2_get_tree+0x51/0x1e0
[  268.950797][ T7212]  vfs_get_tree+0x92/0x2b0
[  268.950820][ T7212]  do_new_mount+0x302/0xa10
[  268.950841][ T7212]  ? apparmor_capable+0x137/0x1b0
[  268.950872][ T7212]  ? __pfx_do_new_mount+0x10/0x10
[  268.950895][ T7212]  ? ns_capable+0x8a/0xf0
[  268.950922][ T7212]  ? kmem_cache_free+0x19b/0x690
[  268.950954][ T7212]  __se_sys_mount+0x313/0x410
[  268.950982][ T7212]  ? __pfx___se_sys_mount+0x10/0x10
[  268.951008][ T7212]  ? do_syscall_64+0xbe/0xfa0
[  268.951027][ T7212]  ? __x64_sys_mount+0x20/0xc0
[  268.951052][ T7212]  do_syscall_64+0xfa/0xfa0
[  268.951071][ T7212]  ? lockdep_hardirqs_on+0x9c/0x150
[  268.951091][ T7212]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.951116][ T7212]  ? clear_bhb_loop+0x60/0xb0
[  268.951138][ T7212]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.951155][ T7212] RIP: 0033:0x7facde59038a
[  268.951171][ T7212] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  268.951185][ T7212] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.951204][ T7212] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  268.951219][ T7212] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  268.951231][ T7212] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  268.951243][ T7212] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  268.951255][ T7212] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  268.951285][ T7212]  </TASK>
[  268.951312][ T7212] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.278528][ T7212] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.605055][ T7216] loop1: detected capacity change from 0 to 32768
[  269.623775][ T7216] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.632328][ T7216] CPU: 1 UID: 0 PID: 7216 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  269.632353][ T7216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  269.632364][ T7216] Call Trace:
[  269.632371][ T7216]  <TASK>
[  269.632380][ T7216]  dump_stack_lvl+0x189/0x250
[  269.632407][ T7216]  ? __pfx_dump_stack_lvl+0x10/0x10
[  269.632426][ T7216]  ? __pfx__printk+0x10/0x10
[  269.632450][ T7216]  ? kernfs_path_from_node+0x250/0x290
[  269.632468][ T7216]  ? kernfs_path_from_node+0x2f/0x290
[  269.632490][ T7216]  sysfs_create_dir_ns+0x259/0x280
[  269.632512][ T7216]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.632532][ T7216]  ? do_raw_spin_unlock+0x122/0x240
[  269.632556][ T7216]  kobject_add_internal+0x59f/0xb40
[  269.632588][ T7216]  kobject_init_and_add+0x125/0x190
[  269.632617][ T7216]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.632640][ T7216]  ? __raw_spin_lock_init+0x45/0x100
[  269.632660][ T7216]  ? __init_swait_queue_head+0xa9/0x150
[  269.632682][ T7216]  gfs2_sys_fs_add+0x234/0x450
[  269.632712][ T7216]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.632744][ T7216]  ? is_dynamic_key+0xd6/0x1c0
[  269.632767][ T7216]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.632801][ T7216]  gfs2_fill_super+0x13e8/0x2230
[  269.632836][ T7216]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.632862][ T7216]  ? sb_set_blocksize+0x104/0x180
[  269.632885][ T7216]  ? setup_bdev_super+0x4c1/0x5b0
[  269.632910][ T7216]  get_tree_bdev_flags+0x40e/0x4d0
[  269.632931][ T7216]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.632951][ T7216]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.632971][ T7216]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  269.633005][ T7216]  gfs2_get_tree+0x51/0x1e0
[  269.633029][ T7216]  vfs_get_tree+0x92/0x2b0
[  269.633052][ T7216]  do_new_mount+0x302/0xa10
[  269.633072][ T7216]  ? apparmor_capable+0x137/0x1b0
[  269.633102][ T7216]  ? __pfx_do_new_mount+0x10/0x10
[  269.633124][ T7216]  ? ns_capable+0x8a/0xf0
[  269.633151][ T7216]  ? kmem_cache_free+0x19b/0x690
[  269.633183][ T7216]  __se_sys_mount+0x313/0x410
[  269.633210][ T7216]  ? __pfx___se_sys_mount+0x10/0x10
[  269.633234][ T7216]  ? do_syscall_64+0xbe/0xfa0
[  269.633253][ T7216]  ? __x64_sys_mount+0x20/0xc0
[  269.633278][ T7216]  do_syscall_64+0xfa/0xfa0
[  269.633305][ T7216]  ? lockdep_hardirqs_on+0x9c/0x150
[  269.633325][ T7216]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.633344][ T7216]  ? clear_bhb_loop+0x60/0xb0
[  269.633367][ T7216]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.633384][ T7216] RIP: 0033:0x7facde59038a
[  269.633400][ T7216] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  269.633416][ T7216] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.633435][ T7216] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  269.633448][ T7216] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  269.633461][ T7216] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  269.633474][ T7216] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  269.633486][ T7216] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  269.633512][ T7216]  </TASK>
[  269.633537][ T7216] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.962681][ T7216] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.293024][ T7220] loop1: detected capacity change from 0 to 32768
[  270.324924][ T7220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.332349][ T7220] CPU: 1 UID: 0 PID: 7220 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  270.332371][ T7220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  270.332382][ T7220] Call Trace:
[  270.332390][ T7220]  <TASK>
[  270.332398][ T7220]  dump_stack_lvl+0x189/0x250
[  270.332425][ T7220]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.332445][ T7220]  ? __pfx__printk+0x10/0x10
[  270.332471][ T7220]  ? kernfs_path_from_node+0x250/0x290
[  270.332489][ T7220]  ? kernfs_path_from_node+0x2f/0x290
[  270.332512][ T7220]  sysfs_create_dir_ns+0x259/0x280
[  270.332533][ T7220]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.332552][ T7220]  ? do_raw_spin_unlock+0x122/0x240
[  270.332577][ T7220]  kobject_add_internal+0x59f/0xb40
[  270.332609][ T7220]  kobject_init_and_add+0x125/0x190
[  270.332639][ T7220]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.332664][ T7220]  ? __raw_spin_lock_init+0x45/0x100
[  270.332686][ T7220]  ? __init_swait_queue_head+0xa9/0x150
[  270.332708][ T7220]  gfs2_sys_fs_add+0x234/0x450
[  270.332735][ T7220]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.332764][ T7220]  ? is_dynamic_key+0xd6/0x1c0
[  270.332784][ T7220]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.332817][ T7220]  gfs2_fill_super+0x13e8/0x2230
[  270.332855][ T7220]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.332880][ T7220]  ? sb_set_blocksize+0x104/0x180
[  270.332905][ T7220]  ? setup_bdev_super+0x4c1/0x5b0
[  270.332931][ T7220]  get_tree_bdev_flags+0x40e/0x4d0
[  270.332960][ T7220]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.332981][ T7220]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.333001][ T7220]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  270.333038][ T7220]  gfs2_get_tree+0x51/0x1e0
[  270.333063][ T7220]  vfs_get_tree+0x92/0x2b0
[  270.333087][ T7220]  do_new_mount+0x302/0xa10
[  270.333108][ T7220]  ? apparmor_capable+0x137/0x1b0
[  270.333137][ T7220]  ? __pfx_do_new_mount+0x10/0x10
[  270.333159][ T7220]  ? ns_capable+0x8a/0xf0
[  270.333186][ T7220]  ? kmem_cache_free+0x19b/0x690
[  270.333218][ T7220]  __se_sys_mount+0x313/0x410
[  270.333248][ T7220]  ? __pfx___se_sys_mount+0x10/0x10
[  270.333274][ T7220]  ? do_syscall_64+0xbe/0xfa0
[  270.333293][ T7220]  ? __x64_sys_mount+0x20/0xc0
[  270.333318][ T7220]  do_syscall_64+0xfa/0xfa0
[  270.333337][ T7220]  ? lockdep_hardirqs_on+0x9c/0x150
[  270.333365][ T7220]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.333384][ T7220]  ? clear_bhb_loop+0x60/0xb0
[  270.333407][ T7220]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.333424][ T7220] RIP: 0033:0x7facde59038a
[  270.333441][ T7220] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  270.333457][ T7220] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.333478][ T7220] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  270.333492][ T7220] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  270.333506][ T7220] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  270.333517][ T7220] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  270.333530][ T7220] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  270.333560][ T7220]  </TASK>
[  270.333586][ T7220] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.660397][ T7220] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.997433][ T7224] loop1: detected capacity change from 0 to 32768
[  271.011456][ T7224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.018939][ T7224] CPU: 0 UID: 0 PID: 7224 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  271.018963][ T7224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  271.018974][ T7224] Call Trace:
[  271.018982][ T7224]  <TASK>
[  271.018991][ T7224]  dump_stack_lvl+0x189/0x250
[  271.019019][ T7224]  ? __pfx_dump_stack_lvl+0x10/0x10
[  271.019039][ T7224]  ? __pfx__printk+0x10/0x10
[  271.019065][ T7224]  ? kernfs_path_from_node+0x250/0x290
[  271.019084][ T7224]  ? kernfs_path_from_node+0x2f/0x290
[  271.019107][ T7224]  sysfs_create_dir_ns+0x259/0x280
[  271.019128][ T7224]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.019155][ T7224]  ? do_raw_spin_unlock+0x122/0x240
[  271.019179][ T7224]  kobject_add_internal+0x59f/0xb40
[  271.019210][ T7224]  kobject_init_and_add+0x125/0x190
[  271.019237][ T7224]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.019262][ T7224]  ? __raw_spin_lock_init+0x45/0x100
[  271.019282][ T7224]  ? __init_swait_queue_head+0xa9/0x150
[  271.019305][ T7224]  gfs2_sys_fs_add+0x234/0x450
[  271.019333][ T7224]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.019364][ T7224]  ? is_dynamic_key+0xd6/0x1c0
[  271.019386][ T7224]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.019419][ T7224]  gfs2_fill_super+0x13e8/0x2230
[  271.019455][ T7224]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.019480][ T7224]  ? sb_set_blocksize+0x104/0x180
[  271.019504][ T7224]  ? setup_bdev_super+0x4c1/0x5b0
[  271.019530][ T7224]  get_tree_bdev_flags+0x40e/0x4d0
[  271.019553][ T7224]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.019574][ T7224]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.019594][ T7224]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.019629][ T7224]  gfs2_get_tree+0x51/0x1e0
[  271.019653][ T7224]  vfs_get_tree+0x92/0x2b0
[  271.019676][ T7224]  do_new_mount+0x302/0xa10
[  271.019697][ T7224]  ? apparmor_capable+0x137/0x1b0
[  271.019728][ T7224]  ? __pfx_do_new_mount+0x10/0x10
[  271.019751][ T7224]  ? ns_capable+0x8a/0xf0
[  271.019777][ T7224]  ? kmem_cache_free+0x19b/0x690
[  271.019808][ T7224]  __se_sys_mount+0x313/0x410
[  271.019836][ T7224]  ? __pfx___se_sys_mount+0x10/0x10
[  271.019864][ T7224]  ? do_syscall_64+0xbe/0xfa0
[  271.019883][ T7224]  ? __x64_sys_mount+0x20/0xc0
[  271.019907][ T7224]  do_syscall_64+0xfa/0xfa0
[  271.019926][ T7224]  ? lockdep_hardirqs_on+0x9c/0x150
[  271.019946][ T7224]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.019964][ T7224]  ? clear_bhb_loop+0x60/0xb0
[  271.019985][ T7224]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.020002][ T7224] RIP: 0033:0x7facde59038a
[  271.020019][ T7224] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  271.020034][ T7224] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.020053][ T7224] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  271.020066][ T7224] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  271.020079][ T7224] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  271.020091][ T7224] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  271.020111][ T7224] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  271.020141][ T7224]  </TASK>
[  271.020173][ T7224] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.354105][ T7224] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.695231][ T7228] loop1: detected capacity change from 0 to 32768
[  271.705539][ T7228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.712960][ T7228] CPU: 1 UID: 0 PID: 7228 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  271.712984][ T7228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  271.712995][ T7228] Call Trace:
[  271.713003][ T7228]  <TASK>
[  271.713011][ T7228]  dump_stack_lvl+0x189/0x250
[  271.713039][ T7228]  ? __pfx_dump_stack_lvl+0x10/0x10
[  271.713058][ T7228]  ? __pfx__printk+0x10/0x10
[  271.713082][ T7228]  ? kernfs_path_from_node+0x250/0x290
[  271.713100][ T7228]  ? kernfs_path_from_node+0x2f/0x290
[  271.713123][ T7228]  sysfs_create_dir_ns+0x259/0x280
[  271.713145][ T7228]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.713166][ T7228]  ? do_raw_spin_unlock+0x122/0x240
[  271.713189][ T7228]  kobject_add_internal+0x59f/0xb40
[  271.713221][ T7228]  kobject_init_and_add+0x125/0x190
[  271.713250][ T7228]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.713273][ T7228]  ? __raw_spin_lock_init+0x45/0x100
[  271.713293][ T7228]  ? __init_swait_queue_head+0xa9/0x150
[  271.713316][ T7228]  gfs2_sys_fs_add+0x234/0x450
[  271.713346][ T7228]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.713378][ T7228]  ? is_dynamic_key+0xd6/0x1c0
[  271.713400][ T7228]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.713433][ T7228]  gfs2_fill_super+0x13e8/0x2230
[  271.713468][ T7228]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.713492][ T7228]  ? sb_set_blocksize+0x104/0x180
[  271.713518][ T7228]  ? setup_bdev_super+0x4c1/0x5b0
[  271.713542][ T7228]  get_tree_bdev_flags+0x40e/0x4d0
[  271.713563][ T7228]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.713584][ T7228]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.713603][ T7228]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  271.713638][ T7228]  gfs2_get_tree+0x51/0x1e0
[  271.713662][ T7228]  vfs_get_tree+0x92/0x2b0
[  271.713685][ T7228]  do_new_mount+0x302/0xa10
[  271.713706][ T7228]  ? apparmor_capable+0x137/0x1b0
[  271.713736][ T7228]  ? __pfx_do_new_mount+0x10/0x10
[  271.713758][ T7228]  ? ns_capable+0x8a/0xf0
[  271.713784][ T7228]  ? kmem_cache_free+0x19b/0x690
[  271.713815][ T7228]  __se_sys_mount+0x313/0x410
[  271.713844][ T7228]  ? __pfx___se_sys_mount+0x10/0x10
[  271.713871][ T7228]  ? do_syscall_64+0xbe/0xfa0
[  271.713891][ T7228]  ? __x64_sys_mount+0x20/0xc0
[  271.713916][ T7228]  do_syscall_64+0xfa/0xfa0
[  271.713944][ T7228]  ? lockdep_hardirqs_on+0x9c/0x150
[  271.713964][ T7228]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.713981][ T7228]  ? clear_bhb_loop+0x60/0xb0
[  271.714003][ T7228]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.714019][ T7228] RIP: 0033:0x7facde59038a
[  271.714036][ T7228] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  271.714051][ T7228] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.714070][ T7228] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  271.714084][ T7228] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  271.714096][ T7228] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  271.714108][ T7228] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  271.714121][ T7228] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  271.714151][ T7228]  </TASK>
[  271.714177][ T7228] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.041168][ T7228] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.363270][ T7232] loop1: detected capacity change from 0 to 32768
[  272.372340][ T7232] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.380368][ T7232] CPU: 1 UID: 0 PID: 7232 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  272.380391][ T7232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  272.380402][ T7232] Call Trace:
[  272.380410][ T7232]  <TASK>
[  272.380418][ T7232]  dump_stack_lvl+0x189/0x250
[  272.380444][ T7232]  ? __pfx_dump_stack_lvl+0x10/0x10
[  272.380460][ T7232]  ? __pfx__printk+0x10/0x10
[  272.380482][ T7232]  ? kernfs_path_from_node+0x250/0x290
[  272.380499][ T7232]  ? kernfs_path_from_node+0x2f/0x290
[  272.380520][ T7232]  sysfs_create_dir_ns+0x259/0x280
[  272.380539][ T7232]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.380558][ T7232]  ? do_raw_spin_unlock+0x122/0x240
[  272.380581][ T7232]  kobject_add_internal+0x59f/0xb40
[  272.380610][ T7232]  kobject_init_and_add+0x125/0x190
[  272.380638][ T7232]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.380661][ T7232]  ? __raw_spin_lock_init+0x45/0x100
[  272.380681][ T7232]  ? __init_swait_queue_head+0xa9/0x150
[  272.380702][ T7232]  gfs2_sys_fs_add+0x234/0x450
[  272.380730][ T7232]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.380759][ T7232]  ? is_dynamic_key+0xd6/0x1c0
[  272.380779][ T7232]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.380809][ T7232]  gfs2_fill_super+0x13e8/0x2230
[  272.380840][ T7232]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.380860][ T7232]  ? sb_set_blocksize+0x104/0x180
[  272.380880][ T7232]  ? setup_bdev_super+0x4c1/0x5b0
[  272.380900][ T7232]  get_tree_bdev_flags+0x40e/0x4d0
[  272.380917][ T7232]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.380933][ T7232]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.380948][ T7232]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  272.380977][ T7232]  gfs2_get_tree+0x51/0x1e0
[  272.381005][ T7232]  vfs_get_tree+0x92/0x2b0
[  272.381024][ T7232]  do_new_mount+0x302/0xa10
[  272.381041][ T7232]  ? apparmor_capable+0x137/0x1b0
[  272.381065][ T7232]  ? __pfx_do_new_mount+0x10/0x10
[  272.381083][ T7232]  ? ns_capable+0x8a/0xf0
[  272.381105][ T7232]  ? kmem_cache_free+0x19b/0x690
[  272.381130][ T7232]  __se_sys_mount+0x313/0x410
[  272.381152][ T7232]  ? __pfx___se_sys_mount+0x10/0x10
[  272.381173][ T7232]  ? do_syscall_64+0xbe/0xfa0
[  272.381188][ T7232]  ? __x64_sys_mount+0x20/0xc0
[  272.381208][ T7232]  do_syscall_64+0xfa/0xfa0
[  272.381222][ T7232]  ? lockdep_hardirqs_on+0x9c/0x150
[  272.381238][ T7232]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.381252][ T7232]  ? clear_bhb_loop+0x60/0xb0
[  272.381270][ T7232]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.381283][ T7232] RIP: 0033:0x7facde59038a
[  272.381296][ T7232] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  272.381309][ T7232] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.381325][ T7232] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  272.381335][ T7232] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  272.381346][ T7232] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  272.381355][ T7232] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  272.381365][ T7232] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  272.381388][ T7232]  </TASK>
[  272.381460][ T7232] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.708467][ T7232] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/17 12:23:34 executed programs: 187
[  273.030685][ T7236] loop1: detected capacity change from 0 to 32768
[  273.046507][ T7236] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.053906][ T7236] CPU: 0 UID: 0 PID: 7236 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  273.053930][ T7236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  273.053941][ T7236] Call Trace:
[  273.053949][ T7236]  <TASK>
[  273.053957][ T7236]  dump_stack_lvl+0x189/0x250
[  273.053985][ T7236]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.054005][ T7236]  ? __pfx__printk+0x10/0x10
[  273.054030][ T7236]  ? kernfs_path_from_node+0x250/0x290
[  273.054049][ T7236]  ? kernfs_path_from_node+0x2f/0x290
[  273.054070][ T7236]  sysfs_create_dir_ns+0x259/0x280
[  273.054092][ T7236]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.054113][ T7236]  ? do_raw_spin_unlock+0x122/0x240
[  273.054136][ T7236]  kobject_add_internal+0x59f/0xb40
[  273.054168][ T7236]  kobject_init_and_add+0x125/0x190
[  273.054197][ T7236]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.054221][ T7236]  ? __raw_spin_lock_init+0x45/0x100
[  273.054241][ T7236]  ? __init_swait_queue_head+0xa9/0x150
[  273.054264][ T7236]  gfs2_sys_fs_add+0x234/0x450
[  273.054292][ T7236]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.054324][ T7236]  ? is_dynamic_key+0xd6/0x1c0
[  273.054346][ T7236]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.054381][ T7236]  gfs2_fill_super+0x13e8/0x2230
[  273.054417][ T7236]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.054441][ T7236]  ? sb_set_blocksize+0x104/0x180
[  273.054465][ T7236]  ? setup_bdev_super+0x4c1/0x5b0
[  273.054489][ T7236]  get_tree_bdev_flags+0x40e/0x4d0
[  273.054510][ T7236]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.054530][ T7236]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.054549][ T7236]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.054584][ T7236]  gfs2_get_tree+0x51/0x1e0
[  273.054607][ T7236]  vfs_get_tree+0x92/0x2b0
[  273.054630][ T7236]  do_new_mount+0x302/0xa10
[  273.054651][ T7236]  ? apparmor_capable+0x137/0x1b0
[  273.054681][ T7236]  ? __pfx_do_new_mount+0x10/0x10
[  273.054707][ T7236]  ? ns_capable+0x8a/0xf0
[  273.054731][ T7236]  ? kmem_cache_free+0x19b/0x690
[  273.054763][ T7236]  __se_sys_mount+0x313/0x410
[  273.054804][ T7236]  ? __pfx___se_sys_mount+0x10/0x10
[  273.054830][ T7236]  ? do_syscall_64+0xbe/0xfa0
[  273.054848][ T7236]  ? __x64_sys_mount+0x20/0xc0
[  273.054872][ T7236]  do_syscall_64+0xfa/0xfa0
[  273.054890][ T7236]  ? lockdep_hardirqs_on+0x9c/0x150
[  273.054911][ T7236]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.054930][ T7236]  ? clear_bhb_loop+0x60/0xb0
[  273.054952][ T7236]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.054970][ T7236] RIP: 0033:0x7facde59038a
[  273.054987][ T7236] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  273.055003][ T7236] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.055022][ T7236] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  273.055035][ T7236] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  273.055048][ T7236] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  273.055060][ T7236] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.055072][ T7236] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  273.055101][ T7236]  </TASK>
[  273.371301][ T7236] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.386004][ T7236] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.714020][ T7240] loop1: detected capacity change from 0 to 32768
[  273.725114][ T7240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.732510][ T7240] CPU: 0 UID: 0 PID: 7240 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  273.732534][ T7240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  273.732545][ T7240] Call Trace:
[  273.732553][ T7240]  <TASK>
[  273.732561][ T7240]  dump_stack_lvl+0x189/0x250
[  273.732588][ T7240]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.732608][ T7240]  ? __pfx__printk+0x10/0x10
[  273.732632][ T7240]  ? kernfs_path_from_node+0x250/0x290
[  273.732650][ T7240]  ? kernfs_path_from_node+0x2f/0x290
[  273.732673][ T7240]  sysfs_create_dir_ns+0x259/0x280
[  273.732694][ T7240]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.732716][ T7240]  ? do_raw_spin_unlock+0x122/0x240
[  273.732740][ T7240]  kobject_add_internal+0x59f/0xb40
[  273.732772][ T7240]  kobject_init_and_add+0x125/0x190
[  273.732800][ T7240]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.732825][ T7240]  ? __raw_spin_lock_init+0x45/0x100
[  273.732846][ T7240]  ? __init_swait_queue_head+0xa9/0x150
[  273.732869][ T7240]  gfs2_sys_fs_add+0x234/0x450
[  273.732897][ T7240]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.732929][ T7240]  ? is_dynamic_key+0xd6/0x1c0
[  273.732956][ T7240]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.732990][ T7240]  gfs2_fill_super+0x13e8/0x2230
[  273.733026][ T7240]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.733051][ T7240]  ? sb_set_blocksize+0x104/0x180
[  273.733075][ T7240]  ? setup_bdev_super+0x4c1/0x5b0
[  273.733101][ T7240]  get_tree_bdev_flags+0x40e/0x4d0
[  273.733122][ T7240]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.733142][ T7240]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.733162][ T7240]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  273.733197][ T7240]  gfs2_get_tree+0x51/0x1e0
[  273.733221][ T7240]  vfs_get_tree+0x92/0x2b0
[  273.733244][ T7240]  do_new_mount+0x302/0xa10
[  273.733265][ T7240]  ? apparmor_capable+0x137/0x1b0
[  273.733295][ T7240]  ? __pfx_do_new_mount+0x10/0x10
[  273.733317][ T7240]  ? ns_capable+0x8a/0xf0
[  273.733343][ T7240]  ? kmem_cache_free+0x19b/0x690
[  273.733375][ T7240]  __se_sys_mount+0x313/0x410
[  273.733404][ T7240]  ? __pfx___se_sys_mount+0x10/0x10
[  273.733430][ T7240]  ? do_syscall_64+0xbe/0xfa0
[  273.733449][ T7240]  ? __x64_sys_mount+0x20/0xc0
[  273.733474][ T7240]  do_syscall_64+0xfa/0xfa0
[  273.733492][ T7240]  ? lockdep_hardirqs_on+0x9c/0x150
[  273.733511][ T7240]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.733529][ T7240]  ? clear_bhb_loop+0x60/0xb0
[  273.733551][ T7240]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.733567][ T7240] RIP: 0033:0x7facde59038a
[  273.733585][ T7240] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  273.733600][ T7240] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.733620][ T7240] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  273.733634][ T7240] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  273.733647][ T7240] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  273.733660][ T7240] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  273.733672][ T7240] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  273.733703][ T7240]  </TASK>
[  273.733726][ T7240] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.062118][ T7240] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.397802][ T7244] loop1: detected capacity change from 0 to 32768
[  274.408468][ T7244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.416026][ T7244] CPU: 1 UID: 0 PID: 7244 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  274.416054][ T7244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  274.416065][ T7244] Call Trace:
[  274.416073][ T7244]  <TASK>
[  274.416081][ T7244]  dump_stack_lvl+0x189/0x250
[  274.416109][ T7244]  ? __pfx_dump_stack_lvl+0x10/0x10
[  274.416129][ T7244]  ? __pfx__printk+0x10/0x10
[  274.416153][ T7244]  ? kernfs_path_from_node+0x250/0x290
[  274.416172][ T7244]  ? kernfs_path_from_node+0x2f/0x290
[  274.416195][ T7244]  sysfs_create_dir_ns+0x259/0x280
[  274.416217][ T7244]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.416239][ T7244]  ? do_raw_spin_unlock+0x122/0x240
[  274.416264][ T7244]  kobject_add_internal+0x59f/0xb40
[  274.416294][ T7244]  kobject_init_and_add+0x125/0x190
[  274.416321][ T7244]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.416353][ T7244]  ? __raw_spin_lock_init+0x45/0x100
[  274.416374][ T7244]  ? __init_swait_queue_head+0xa9/0x150
[  274.416397][ T7244]  gfs2_sys_fs_add+0x234/0x450
[  274.416426][ T7244]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.416458][ T7244]  ? is_dynamic_key+0xd6/0x1c0
[  274.416480][ T7244]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.416514][ T7244]  gfs2_fill_super+0x13e8/0x2230
[  274.416556][ T7244]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.416581][ T7244]  ? sb_set_blocksize+0x104/0x180
[  274.416606][ T7244]  ? setup_bdev_super+0x4c1/0x5b0
[  274.416631][ T7244]  get_tree_bdev_flags+0x40e/0x4d0
[  274.416654][ T7244]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.416674][ T7244]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.416694][ T7244]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  274.416730][ T7244]  gfs2_get_tree+0x51/0x1e0
[  274.416753][ T7244]  vfs_get_tree+0x92/0x2b0
[  274.416774][ T7244]  do_new_mount+0x302/0xa10
[  274.416794][ T7244]  ? apparmor_capable+0x137/0x1b0
[  274.416825][ T7244]  ? __pfx_do_new_mount+0x10/0x10
[  274.416854][ T7244]  ? ns_capable+0x8a/0xf0
[  274.416881][ T7244]  ? kmem_cache_free+0x19b/0x690
[  274.416913][ T7244]  __se_sys_mount+0x313/0x410
[  274.416941][ T7244]  ? __pfx___se_sys_mount+0x10/0x10
[  274.416968][ T7244]  ? do_syscall_64+0xbe/0xfa0
[  274.416986][ T7244]  ? __x64_sys_mount+0x20/0xc0
[  274.417011][ T7244]  do_syscall_64+0xfa/0xfa0
[  274.417031][ T7244]  ? lockdep_hardirqs_on+0x9c/0x150
[  274.417050][ T7244]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.417066][ T7244]  ? clear_bhb_loop+0x60/0xb0
[  274.417086][ T7244]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.417102][ T7244] RIP: 0033:0x7facde59038a
[  274.417118][ T7244] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  274.417132][ T7244] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.417153][ T7244] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  274.417167][ T7244] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  274.417181][ T7244] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  274.417193][ T7244] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  274.417205][ T7244] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  274.417235][ T7244]  </TASK>
[  274.417324][ T7244] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.744065][ T7244] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.068760][ T7248] loop1: detected capacity change from 0 to 32768
[  275.092946][ T7248] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.100842][ T7248] CPU: 1 UID: 0 PID: 7248 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  275.100866][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  275.100877][ T7248] Call Trace:
[  275.100885][ T7248]  <TASK>
[  275.100893][ T7248]  dump_stack_lvl+0x189/0x250
[  275.100920][ T7248]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.100940][ T7248]  ? __pfx__printk+0x10/0x10
[  275.100964][ T7248]  ? kernfs_path_from_node+0x250/0x290
[  275.100983][ T7248]  ? kernfs_path_from_node+0x2f/0x290
[  275.101006][ T7248]  sysfs_create_dir_ns+0x259/0x280
[  275.101027][ T7248]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.101049][ T7248]  ? do_raw_spin_unlock+0x122/0x240
[  275.101073][ T7248]  kobject_add_internal+0x59f/0xb40
[  275.101106][ T7248]  kobject_init_and_add+0x125/0x190
[  275.101134][ T7248]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.101158][ T7248]  ? __raw_spin_lock_init+0x45/0x100
[  275.101179][ T7248]  ? __init_swait_queue_head+0xa9/0x150
[  275.101202][ T7248]  gfs2_sys_fs_add+0x234/0x450
[  275.101230][ T7248]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.101262][ T7248]  ? is_dynamic_key+0xd6/0x1c0
[  275.101283][ T7248]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.101317][ T7248]  gfs2_fill_super+0x13e8/0x2230
[  275.101353][ T7248]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.101378][ T7248]  ? sb_set_blocksize+0x104/0x180
[  275.101402][ T7248]  ? setup_bdev_super+0x4c1/0x5b0
[  275.101427][ T7248]  get_tree_bdev_flags+0x40e/0x4d0
[  275.101448][ T7248]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.101469][ T7248]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.101489][ T7248]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.101524][ T7248]  gfs2_get_tree+0x51/0x1e0
[  275.101552][ T7248]  vfs_get_tree+0x92/0x2b0
[  275.101581][ T7248]  do_new_mount+0x302/0xa10
[  275.101601][ T7248]  ? apparmor_capable+0x137/0x1b0
[  275.101632][ T7248]  ? __pfx_do_new_mount+0x10/0x10
[  275.101654][ T7248]  ? ns_capable+0x8a/0xf0
[  275.101681][ T7248]  ? kmem_cache_free+0x19b/0x690
[  275.101713][ T7248]  __se_sys_mount+0x313/0x410
[  275.101741][ T7248]  ? __pfx___se_sys_mount+0x10/0x10
[  275.101768][ T7248]  ? do_syscall_64+0xbe/0xfa0
[  275.101786][ T7248]  ? __x64_sys_mount+0x20/0xc0
[  275.101811][ T7248]  do_syscall_64+0xfa/0xfa0
[  275.101829][ T7248]  ? lockdep_hardirqs_on+0x9c/0x150
[  275.101849][ T7248]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.101866][ T7248]  ? clear_bhb_loop+0x60/0xb0
[  275.101888][ T7248]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.101905][ T7248] RIP: 0033:0x7facde59038a
[  275.101921][ T7248] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  275.101937][ T7248] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.101957][ T7248] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  275.101970][ T7248] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  275.101984][ T7248] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  275.101997][ T7248] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.102008][ T7248] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  275.102040][ T7248]  </TASK>
[  275.102064][ T7248] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.429467][ T7248] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.751316][ T7252] loop1: detected capacity change from 0 to 32768
[  275.768314][ T7252] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.778639][ T7252] CPU: 1 UID: 0 PID: 7252 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  275.778664][ T7252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  275.778675][ T7252] Call Trace:
[  275.778682][ T7252]  <TASK>
[  275.778691][ T7252]  dump_stack_lvl+0x189/0x250
[  275.778718][ T7252]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.778737][ T7252]  ? __pfx__printk+0x10/0x10
[  275.778761][ T7252]  ? kernfs_path_from_node+0x250/0x290
[  275.778780][ T7252]  ? kernfs_path_from_node+0x2f/0x290
[  275.778802][ T7252]  sysfs_create_dir_ns+0x259/0x280
[  275.778824][ T7252]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.778845][ T7252]  ? do_raw_spin_unlock+0x122/0x240
[  275.778870][ T7252]  kobject_add_internal+0x59f/0xb40
[  275.778901][ T7252]  kobject_init_and_add+0x125/0x190
[  275.778929][ T7252]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.778953][ T7252]  ? __raw_spin_lock_init+0x45/0x100
[  275.778975][ T7252]  ? __init_swait_queue_head+0xa9/0x150
[  275.778999][ T7252]  gfs2_sys_fs_add+0x234/0x450
[  275.779028][ T7252]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.779060][ T7252]  ? is_dynamic_key+0xd6/0x1c0
[  275.779081][ T7252]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.779114][ T7252]  gfs2_fill_super+0x13e8/0x2230
[  275.779149][ T7252]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.779173][ T7252]  ? sb_set_blocksize+0x104/0x180
[  275.779197][ T7252]  ? setup_bdev_super+0x4c1/0x5b0
[  275.779220][ T7252]  get_tree_bdev_flags+0x40e/0x4d0
[  275.779241][ T7252]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.779262][ T7252]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.779281][ T7252]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  275.779312][ T7252]  gfs2_get_tree+0x51/0x1e0
[  275.779336][ T7252]  vfs_get_tree+0x92/0x2b0
[  275.779359][ T7252]  do_new_mount+0x302/0xa10
[  275.779380][ T7252]  ? apparmor_capable+0x137/0x1b0
[  275.779410][ T7252]  ? __pfx_do_new_mount+0x10/0x10
[  275.779432][ T7252]  ? ns_capable+0x8a/0xf0
[  275.779469][ T7252]  ? kmem_cache_free+0x19b/0x690
[  275.779499][ T7252]  __se_sys_mount+0x313/0x410
[  275.779528][ T7252]  ? __pfx___se_sys_mount+0x10/0x10
[  275.779554][ T7252]  ? do_syscall_64+0xbe/0xfa0
[  275.779573][ T7252]  ? __x64_sys_mount+0x20/0xc0
[  275.779599][ T7252]  do_syscall_64+0xfa/0xfa0
[  275.779618][ T7252]  ? lockdep_hardirqs_on+0x9c/0x150
[  275.779639][ T7252]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.779657][ T7252]  ? clear_bhb_loop+0x60/0xb0
[  275.779679][ T7252]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.779696][ T7252] RIP: 0033:0x7facde59038a
[  275.779713][ T7252] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  275.779729][ T7252] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.779749][ T7252] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  275.779763][ T7252] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  275.779775][ T7252] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  275.779787][ T7252] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  275.779799][ T7252] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  275.779830][ T7252]  </TASK>
[  275.779856][ T7252] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.107091][ T7252] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.450885][ T7256] loop1: detected capacity change from 0 to 32768
[  276.465182][ T7256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.472735][ T7256] CPU: 0 UID: 0 PID: 7256 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  276.472757][ T7256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  276.472768][ T7256] Call Trace:
[  276.472776][ T7256]  <TASK>
[  276.472783][ T7256]  dump_stack_lvl+0x189/0x250
[  276.472808][ T7256]  ? __pfx_dump_stack_lvl+0x10/0x10
[  276.472827][ T7256]  ? __pfx__printk+0x10/0x10
[  276.472850][ T7256]  ? kernfs_path_from_node+0x250/0x290
[  276.472866][ T7256]  ? kernfs_path_from_node+0x2f/0x290
[  276.472888][ T7256]  sysfs_create_dir_ns+0x259/0x280
[  276.472909][ T7256]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.472930][ T7256]  ? do_raw_spin_unlock+0x122/0x240
[  276.472953][ T7256]  kobject_add_internal+0x59f/0xb40
[  276.472984][ T7256]  kobject_init_and_add+0x125/0x190
[  276.473013][ T7256]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.473035][ T7256]  ? __raw_spin_lock_init+0x45/0x100
[  276.473056][ T7256]  ? __init_swait_queue_head+0xa9/0x150
[  276.473079][ T7256]  gfs2_sys_fs_add+0x234/0x450
[  276.473107][ T7256]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.473136][ T7256]  ? is_dynamic_key+0xd6/0x1c0
[  276.473157][ T7256]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.473190][ T7256]  gfs2_fill_super+0x13e8/0x2230
[  276.473227][ T7256]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.473252][ T7256]  ? sb_set_blocksize+0x104/0x180
[  276.473277][ T7256]  ? setup_bdev_super+0x4c1/0x5b0
[  276.473302][ T7256]  get_tree_bdev_flags+0x40e/0x4d0
[  276.473323][ T7256]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.473343][ T7256]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.473362][ T7256]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  276.473399][ T7256]  gfs2_get_tree+0x51/0x1e0
[  276.473422][ T7256]  vfs_get_tree+0x92/0x2b0
[  276.473446][ T7256]  do_new_mount+0x302/0xa10
[  276.473476][ T7256]  ? apparmor_capable+0x137/0x1b0
[  276.473508][ T7256]  ? __pfx_do_new_mount+0x10/0x10
[  276.473529][ T7256]  ? ns_capable+0x8a/0xf0
[  276.473555][ T7256]  ? kmem_cache_free+0x19b/0x690
[  276.473587][ T7256]  __se_sys_mount+0x313/0x410
[  276.473615][ T7256]  ? __pfx___se_sys_mount+0x10/0x10
[  276.473642][ T7256]  ? do_syscall_64+0xbe/0xfa0
[  276.473661][ T7256]  ? __x64_sys_mount+0x20/0xc0
[  276.473684][ T7256]  do_syscall_64+0xfa/0xfa0
[  276.473703][ T7256]  ? lockdep_hardirqs_on+0x9c/0x150
[  276.473722][ T7256]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.473740][ T7256]  ? clear_bhb_loop+0x60/0xb0
[  276.473762][ T7256]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.473780][ T7256] RIP: 0033:0x7facde59038a
[  276.473795][ T7256] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  276.473811][ T7256] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.473831][ T7256] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  276.473845][ T7256] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  276.473858][ T7256] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  276.473871][ T7256] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  276.473884][ T7256] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  276.473914][ T7256]  </TASK>
[  276.473938][ T7256] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.801534][ T7256] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.137066][ T7260] loop1: detected capacity change from 0 to 32768
[  277.151228][ T7260] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.158688][ T7260] CPU: 0 UID: 0 PID: 7260 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  277.158712][ T7260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  277.158723][ T7260] Call Trace:
[  277.158732][ T7260]  <TASK>
[  277.158739][ T7260]  dump_stack_lvl+0x189/0x250
[  277.158767][ T7260]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.158787][ T7260]  ? __pfx__printk+0x10/0x10
[  277.158809][ T7260]  ? kernfs_path_from_node+0x250/0x290
[  277.158826][ T7260]  ? kernfs_path_from_node+0x2f/0x290
[  277.158849][ T7260]  sysfs_create_dir_ns+0x259/0x280
[  277.158871][ T7260]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.158891][ T7260]  ? do_raw_spin_unlock+0x122/0x240
[  277.158916][ T7260]  kobject_add_internal+0x59f/0xb40
[  277.158949][ T7260]  kobject_init_and_add+0x125/0x190
[  277.158978][ T7260]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.159003][ T7260]  ? __raw_spin_lock_init+0x45/0x100
[  277.159028][ T7260]  ? __init_swait_queue_head+0xa9/0x150
[  277.159050][ T7260]  gfs2_sys_fs_add+0x234/0x450
[  277.159078][ T7260]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.159108][ T7260]  ? is_dynamic_key+0xd6/0x1c0
[  277.159129][ T7260]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.159164][ T7260]  gfs2_fill_super+0x13e8/0x2230
[  277.159199][ T7260]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.159223][ T7260]  ? sb_set_blocksize+0x104/0x180
[  277.159248][ T7260]  ? setup_bdev_super+0x4c1/0x5b0
[  277.159275][ T7260]  get_tree_bdev_flags+0x40e/0x4d0
[  277.159297][ T7260]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.159317][ T7260]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.159336][ T7260]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.159372][ T7260]  gfs2_get_tree+0x51/0x1e0
[  277.159395][ T7260]  vfs_get_tree+0x92/0x2b0
[  277.159419][ T7260]  do_new_mount+0x302/0xa10
[  277.159438][ T7260]  ? apparmor_capable+0x137/0x1b0
[  277.159467][ T7260]  ? __pfx_do_new_mount+0x10/0x10
[  277.159488][ T7260]  ? ns_capable+0x8a/0xf0
[  277.159515][ T7260]  ? kmem_cache_free+0x19b/0x690
[  277.159546][ T7260]  __se_sys_mount+0x313/0x410
[  277.159581][ T7260]  ? __pfx___se_sys_mount+0x10/0x10
[  277.159608][ T7260]  ? do_syscall_64+0xbe/0xfa0
[  277.159627][ T7260]  ? __x64_sys_mount+0x20/0xc0
[  277.159651][ T7260]  do_syscall_64+0xfa/0xfa0
[  277.159670][ T7260]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.159690][ T7260]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.159708][ T7260]  ? clear_bhb_loop+0x60/0xb0
[  277.159728][ T7260]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.159746][ T7260] RIP: 0033:0x7facde59038a
[  277.159763][ T7260] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  277.159779][ T7260] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.159800][ T7260] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  277.159815][ T7260] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  277.159828][ T7260] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  277.159841][ T7260] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  277.159854][ T7260] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  277.159884][ T7260]  </TASK>
[  277.159942][ T7260] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.486219][ T7260] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.816761][ T7264] loop1: detected capacity change from 0 to 32768
[  277.846904][ T7264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.854306][ T7264] CPU: 0 UID: 0 PID: 7264 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  277.854331][ T7264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  277.854343][ T7264] Call Trace:
[  277.854351][ T7264]  <TASK>
[  277.854359][ T7264]  dump_stack_lvl+0x189/0x250
[  277.854387][ T7264]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.854407][ T7264]  ? __pfx__printk+0x10/0x10
[  277.854432][ T7264]  ? kernfs_path_from_node+0x250/0x290
[  277.854450][ T7264]  ? kernfs_path_from_node+0x2f/0x290
[  277.854473][ T7264]  sysfs_create_dir_ns+0x259/0x280
[  277.854503][ T7264]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  277.854525][ T7264]  ? do_raw_spin_unlock+0x122/0x240
[  277.854550][ T7264]  kobject_add_internal+0x59f/0xb40
[  277.854582][ T7264]  kobject_init_and_add+0x125/0x190
[  277.854611][ T7264]  ? __pfx_kobject_init_and_add+0x10/0x10
[  277.854636][ T7264]  ? __raw_spin_lock_init+0x45/0x100
[  277.854657][ T7264]  ? __init_swait_queue_head+0xa9/0x150
[  277.854680][ T7264]  gfs2_sys_fs_add+0x234/0x450
[  277.854710][ T7264]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  277.854738][ T7264]  ? is_dynamic_key+0xd6/0x1c0
[  277.854758][ T7264]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  277.854789][ T7264]  gfs2_fill_super+0x13e8/0x2230
[  277.854824][ T7264]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.854849][ T7264]  ? sb_set_blocksize+0x104/0x180
[  277.854874][ T7264]  ? setup_bdev_super+0x4c1/0x5b0
[  277.854899][ T7264]  get_tree_bdev_flags+0x40e/0x4d0
[  277.854920][ T7264]  ? __pfx_gfs2_fill_super+0x10/0x10
[  277.854941][ T7264]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  277.854961][ T7264]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  277.854997][ T7264]  gfs2_get_tree+0x51/0x1e0
[  277.855021][ T7264]  vfs_get_tree+0x92/0x2b0
[  277.855045][ T7264]  do_new_mount+0x302/0xa10
[  277.855067][ T7264]  ? apparmor_capable+0x137/0x1b0
[  277.855098][ T7264]  ? __pfx_do_new_mount+0x10/0x10
[  277.855120][ T7264]  ? ns_capable+0x8a/0xf0
[  277.855147][ T7264]  ? kmem_cache_free+0x19b/0x690
[  277.855179][ T7264]  __se_sys_mount+0x313/0x410
[  277.855209][ T7264]  ? __pfx___se_sys_mount+0x10/0x10
[  277.855236][ T7264]  ? do_syscall_64+0xbe/0xfa0
[  277.855254][ T7264]  ? __x64_sys_mount+0x20/0xc0
[  277.855280][ T7264]  do_syscall_64+0xfa/0xfa0
[  277.855299][ T7264]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.855319][ T7264]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.855337][ T7264]  ? clear_bhb_loop+0x60/0xb0
[  277.855359][ T7264]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  277.855376][ T7264] RIP: 0033:0x7facde59038a
[  277.855393][ T7264] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  277.855409][ T7264] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.855429][ T7264] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  277.855443][ T7264] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  277.855456][ T7264] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  277.855469][ T7264] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  277.855481][ T7264] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  277.855518][ T7264]  </TASK>
[  278.064906][   T31] INFO: task syz.0.17:6457 blocked for more than 143 seconds.
[  278.099417][ T7264] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.154619][   T31]       Not tainted syzkaller #0
[  278.154636][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  278.154647][   T31] task:syz.0.17        state:D stack:24712 pid:6457  tgid:6457  ppid:6323   task_flags:0x400040 flags:0x00080002
[  278.162975][ T7264] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.166199][   T31] Call Trace:
[  278.263064][   T31]  <TASK>
[  278.266353][   T31]  __schedule+0x1798/0x4cc0
[  278.270900][   T31]  ? __pfx___schedule+0x10/0x10
[  278.276299][   T31]  ? schedule+0x91/0x360
[  278.280631][   T31]  schedule+0x165/0x360
[  278.285180][   T31]  io_schedule+0x80/0xd0
[  278.289451][   T31]  folio_wait_bit_common+0x6b0/0xb80
[  278.295242][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
2025/10/17 12:23:39 executed programs: 195
[  278.318596][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  278.324293][   T31]  writeback_iter+0x8d8/0x12a0
[  278.329677][   T31]  iomap_writepages+0x14d/0x2d0
[  278.334558][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  278.340372][   T31]  gfs2_writepages+0x177/0x250
[  278.347703][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  278.353023][   T31]  ? __lock_acquire+0xab9/0xd20
[  278.357952][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  278.363260][   T31]  do_writepages+0x32e/0x550
[  278.367952][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  278.373157][   T31]  filemap_fdatawrite+0x199/0x240
[  278.378280][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  278.383963][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  278.389546][   T31]  gfs2_log_flush+0x86b/0x24c0
[  278.394343][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  278.400030][   T31]  ? __pfx___up_read+0x10/0x10
[  278.405055][   T31]  gfs2_trans_end+0x37c/0x570
[  278.409925][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  278.415548][   T31]  ? do_page_mkwrite+0x14d/0x310
[  278.420575][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  278.426430][   T31]  ? gfs2_fault+0x19a/0x1f0
[  278.431024][   T31]  ? do_page_mkwrite+0x14d/0x310
[  278.436362][   T31]  do_page_mkwrite+0x14d/0x310
[  278.441227][   T31]  __handle_mm_fault+0x1911/0x5440
[  278.446714][   T31]  ? lock_vma_under_rcu+0x1a3/0x450
[  278.452525][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  278.458394][   T31]  ? lock_vma_under_rcu+0x3d2/0x450
[  278.463673][   T31]  ? __pfx_do_futex+0x10/0x10
[  278.468709][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  278.474343][   T31]  handle_mm_fault+0x40a/0x8e0
[  278.479510][   T31]  do_user_addr_fault+0xa7c/0x1380
[  278.484959][   T31]  ? rcu_is_watching+0x15/0xb0
[  278.489743][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  278.495541][   T31]  exc_page_fault+0x82/0x100
[  278.500160][   T31]  asm_exc_page_fault+0x26/0x30
[  278.505437][   T31] RIP: 0033:0x7f1184e55171
[  278.509858][   T31] RSP: 002b:00007ffeb7345890 EFLAGS: 00010246
[  278.516350][   T31] RAX: 00002000000003c0 RBX: 0000000000000004 RCX: 0000000000000000
[  278.524413][   T31] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 000055555b1883c8
[  278.532912][   T31] RBP: 00007ffeb7345998 R08: 0000000000000000 R09: 0000000000000000
[  278.541166][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f11851b5fac
[  278.549518][   T31] R13: 00007f11851b5fa0 R14: fffffffffffffffe R15: 00007ffeb73459e0
[  278.558547][   T31]  </TASK>
[  278.561710][   T31] 
[  278.561710][   T31] Showing all locks held in the system:
[  278.570660][   T31] 1 lock held by khungtaskd/31:
[  278.575825][   T31]  #0: ffffffff8e13d2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  278.586066][   T31] 4 locks held by kworker/u8:6/1151:
[  278.591353][   T31]  #0: ffff88801cab6948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
[  278.603078][   T31]  #1: ffffc90003a4fba0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
[  278.615914][   T31]  #2: ffff888027e000e0 (&type->s_umount_key#53){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[  278.627309][   T31]  #3: ffff888032a90ea0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0xec/0x24c0
[  278.638060][   T31] 2 locks held by getty/5584:
[  278.642741][   T31]  #0: ffff88814daae0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  278.652962][   T31]  #1: ffffc900036c32f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[  278.664153][   T31] 4 locks held by syz.0.17/6457:
[  278.669877][   T31]  #0: ffff8880574f8e48 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1a3/0x450
[  278.679665][   T31]  #1: ffff888027e00518 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x14d/0x310
[  278.691087][   T31]  #2: ffff888027e00610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[  278.700863][   T31]  #3: ffff888032a90ea0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0xec/0x24c0
[  278.712685][   T31] 1 lock held by gfs2_logd/syz:s/6463:
[  278.718415][   T31]  #0: ffff888032a90ea0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0xec/0x24c0
[  278.718984][ T7268] loop1: detected capacity change from 0 to 32768
[  278.729111][   T31] 6 locks held by syz.1.210/7268:
[  278.741066][   T31] 
[  278.743402][   T31] =============================================
[  278.743402][   T31] 
[  278.756981][   T31] NMI backtrace for cpu 0
[  278.756997][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  278.757016][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  278.757026][   T31] Call Trace:
[  278.757034][   T31]  <TASK>
[  278.757041][   T31]  dump_stack_lvl+0x189/0x250
[  278.757067][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  278.757083][   T31]  ? __pfx__printk+0x10/0x10
[  278.757110][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  278.757136][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  278.757161][   T31]  ? __pfx__printk+0x10/0x10
[  278.757181][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  278.757205][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  278.757232][   T31]  watchdog+0xfa9/0xff0
[  278.757259][   T31]  ? watchdog+0x1f4/0xff0
[  278.757287][   T31]  kthread+0x711/0x8a0
[  278.757307][   T31]  ? __pfx_watchdog+0x10/0x10
[  278.757328][   T31]  ? __pfx_kthread+0x10/0x10
[  278.757347][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  278.757373][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  278.757391][   T31]  ? __pfx_kthread+0x10/0x10
[  278.757410][   T31]  ret_from_fork+0x4bc/0x870
[  278.757436][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  278.757464][   T31]  ? __switch_to_asm+0x39/0x70
[  278.757482][   T31]  ? __switch_to_asm+0x33/0x70
[  278.757501][   T31]  ? __pfx_kthread+0x10/0x10
[  278.757519][   T31]  ret_from_fork_asm+0x1a/0x30
[  278.757553][   T31]  </TASK>
[  278.757560][   T31] Sending NMI from CPU 0 to CPUs 1:
[  278.797513][ T7268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.797832][    C1] NMI backtrace for cpu 1
[  278.797847][    C1] CPU: 1 UID: 0 PID: 7268 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  278.797865][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  278.797874][    C1] RIP: 0010:io_serial_out+0x7c/0xc0
[  278.797906][    C1] Code: f1 a2 fc 44 89 f9 d3 e5 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 9c b0 08 fd 41 03 2e 89 d8 89 ea ee <5b> 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc 44 89 f9 80 e1 07 38 c1
[  278.797921][    C1] RSP: 0018:ffffc9000536f050 EFLAGS: 00000002
[  278.797935][    C1] RAX: 0000000000000037 RBX: 0000000000000037 RCX: 0000000000000000
[  278.797946][    C1] RDX: 00000000000003f8 RSI: 0000000000000000 RDI: 0000000000000020
[  278.797957][    C1] RBP: 00000000000003f8 R08: ffff888142798237 R09: 1ffff110284f3046
[  278.797969][    C1] R10: dffffc0000000000 R11: ffffffff851d6ab0 R12: dffffc0000000000
[  278.797981][    C1] R13: ffffffff99a148e8 R14: ffffffff99d28040 R15: 0000000000000000
[  278.797994][    C1] FS:  00007facdf4db6c0(0000) GS:ffff888125e00000(0000) knlGS:0000000000000000
[  278.798008][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  278.798019][    C1] CR2: 00007f0287e5a000 CR3: 00000000776da000 CR4: 00000000003526f0
[  278.798034][    C1] Call Trace:
[  278.798041][    C1]  <TASK>
[  278.798049][    C1]  serial8250_console_write+0x1410/0x1ba0
[  278.798076][    C1]  ? __lock_acquire+0xab9/0xd20
[  278.798096][    C1]  ? __pfx_serial8250_console_write+0x10/0x10
[  278.798123][    C1]  ? console_flush_all+0x13a/0xb10
[  278.798141][    C1]  ? console_flush_all+0x13a/0xb10
[  278.798159][    C1]  ? do_raw_spin_unlock+0x122/0x240
[  278.798177][    C1]  ? console_flush_all+0x13a/0xb10
[  278.798192][    C1]  console_flush_all+0x6f3/0xb10
[  278.798209][    C1]  ? console_flush_all+0x13a/0xb10
[  278.798227][    C1]  ? __pfx_console_flush_all+0x10/0x10
[  278.798248][    C1]  ? is_printk_cpu_sync_owner+0x32/0x40
[  278.798267][    C1]  console_unlock+0xbb/0x190
[  278.798281][    C1]  ? vprintk_emit+0x2ee/0x590
[  278.798295][    C1]  ? __pfx_console_unlock+0x10/0x10
[  278.798311][    C1]  ? vprintk_emit+0x2ee/0x590
[  278.798324][    C1]  ? vprintk_emit+0x2ee/0x590
[  278.798339][    C1]  vprintk_emit+0x4c5/0x590
[  278.798354][    C1]  ? __pfx_vprintk_emit+0x10/0x10
[  278.798368][    C1]  ? __pfx_scnprintf+0x10/0x10
[  278.798396][    C1]  _printk+0xcf/0x120
[  278.798414][    C1]  ? __pfx__printk+0x10/0x10
[  278.798432][    C1]  ? kernfs_path_from_node+0x250/0x290
[  278.798448][    C1]  ? kernfs_path_from_node+0x2f/0x290
[  278.798466][    C1]  sysfs_create_dir_ns+0x254/0x280
[  278.798483][    C1]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  278.798499][    C1]  ? do_raw_spin_unlock+0x122/0x240
[  278.798517][    C1]  kobject_add_internal+0x59f/0xb40
[  278.798540][    C1]  kobject_init_and_add+0x125/0x190
[  278.798562][    C1]  ? __pfx_kobject_init_and_add+0x10/0x10
[  278.798582][    C1]  ? __raw_spin_lock_init+0x45/0x100
[  278.798598][    C1]  ? __init_swait_queue_head+0xa9/0x150
[  278.798616][    C1]  gfs2_sys_fs_add+0x234/0x450
[  278.798638][    C1]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  278.798661][    C1]  ? is_dynamic_key+0xd6/0x1c0
[  278.798679][    C1]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  278.798703][    C1]  gfs2_fill_super+0x13e8/0x2230
[  278.798728][    C1]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.798747][    C1]  ? sb_set_blocksize+0x104/0x180
[  278.798768][    C1]  ? setup_bdev_super+0x4c1/0x5b0
[  278.798788][    C1]  get_tree_bdev_flags+0x40e/0x4d0
[  278.798807][    C1]  ? __pfx_gfs2_fill_super+0x10/0x10
[  278.798824][    C1]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  278.798841][    C1]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  278.798868][    C1]  gfs2_get_tree+0x51/0x1e0
[  278.798886][    C1]  vfs_get_tree+0x92/0x2b0
[  278.798905][    C1]  do_new_mount+0x302/0xa10
[  278.798923][    C1]  ? apparmor_capable+0x137/0x1b0
[  278.798947][    C1]  ? __pfx_do_new_mount+0x10/0x10
[  278.798966][    C1]  ? ns_capable+0x8a/0xf0
[  278.798987][    C1]  ? kmem_cache_free+0x19b/0x690
[  278.799011][    C1]  __se_sys_mount+0x313/0x410
[  278.799033][    C1]  ? __pfx___se_sys_mount+0x10/0x10
[  278.799054][    C1]  ? do_syscall_64+0xbe/0xfa0
[  278.799070][    C1]  ? __x64_sys_mount+0x20/0xc0
[  278.799090][    C1]  do_syscall_64+0xfa/0xfa0
[  278.799107][    C1]  ? lockdep_hardirqs_on+0x9c/0x150
[  278.799129][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.799144][    C1]  ? clear_bhb_loop+0x60/0xb0
[  278.799162][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  278.799177][    C1] RIP: 0033:0x7facde59038a
[  278.799191][    C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  278.799205][    C1] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.799221][    C1] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  278.799233][    C1] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  278.799245][    C1] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  278.799257][    C1] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  278.799268][    C1] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  278.799288][    C1]  </TASK>
[  279.414806][ T7268] CPU: 1 UID: 0 PID: 7268 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  279.414830][ T7268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  279.414841][ T7268] Call Trace:
[  279.414848][ T7268]  <TASK>
[  279.414856][ T7268]  dump_stack_lvl+0x189/0x250
[  279.414882][ T7268]  ? __pfx_dump_stack_lvl+0x10/0x10
[  279.414901][ T7268]  ? __pfx__printk+0x10/0x10
[  279.414920][ T7268]  ? kernfs_path_from_node+0x250/0x290
[  279.414930][ T7268]  ? kernfs_path_from_node+0x2f/0x290
[  279.414948][ T7268]  sysfs_create_dir_ns+0x259/0x280
[  279.414960][ T7268]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  279.414971][ T7268]  ? do_raw_spin_unlock+0x122/0x240
[  279.414985][ T7268]  kobject_add_internal+0x59f/0xb40
[  279.415005][ T7268]  kobject_init_and_add+0x125/0x190
[  279.415020][ T7268]  ? __pfx_kobject_init_and_add+0x10/0x10
[  279.415034][ T7268]  ? __raw_spin_lock_init+0x45/0x100
[  279.415046][ T7268]  ? __init_swait_queue_head+0xa9/0x150
[  279.415058][ T7268]  gfs2_sys_fs_add+0x234/0x450
[  279.415144][ T7268]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  279.415161][ T7268]  ? is_dynamic_key+0xd6/0x1c0
[  279.415174][ T7268]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  279.415192][ T7268]  gfs2_fill_super+0x13e8/0x2230
[  279.415212][ T7268]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.415226][ T7268]  ? sb_set_blocksize+0x104/0x180
[  279.415241][ T7268]  ? setup_bdev_super+0x4c1/0x5b0
[  279.415255][ T7268]  get_tree_bdev_flags+0x40e/0x4d0
[  279.415268][ T7268]  ? __pfx_gfs2_fill_super+0x10/0x10
[  279.415279][ T7268]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  279.415290][ T7268]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  279.415311][ T7268]  gfs2_get_tree+0x51/0x1e0
[  279.415324][ T7268]  vfs_get_tree+0x92/0x2b0
[  279.415338][ T7268]  do_new_mount+0x302/0xa10
[  279.415350][ T7268]  ? apparmor_capable+0x137/0x1b0
[  279.415367][ T7268]  ? __pfx_do_new_mount+0x10/0x10
[  279.415380][ T7268]  ? ns_capable+0x8a/0xf0
[  279.415395][ T7268]  ? kmem_cache_free+0x19b/0x690
[  279.415413][ T7268]  __se_sys_mount+0x313/0x410
[  279.415430][ T7268]  ? __pfx___se_sys_mount+0x10/0x10
[  279.415445][ T7268]  ? do_syscall_64+0xbe/0xfa0
[  279.415455][ T7268]  ? __x64_sys_mount+0x20/0xc0
[  279.415469][ T7268]  do_syscall_64+0xfa/0xfa0
[  279.415480][ T7268]  ? lockdep_hardirqs_on+0x9c/0x150
[  279.415491][ T7268]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.415501][ T7268]  ? clear_bhb_loop+0x60/0xb0
[  279.415514][ T7268]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  279.415524][ T7268] RIP: 0033:0x7facde59038a
[  279.415535][ T7268] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  279.415544][ T7268] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.415556][ T7268] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  279.415564][ T7268] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  279.415571][ T7268] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  279.415578][ T7268] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  279.415585][ T7268] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  279.415617][ T7268]  </TASK>
[  279.415636][ T7268] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.742743][ T7268] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.073642][ T7272] loop1: detected capacity change from 0 to 32768
[  280.083162][ T7272] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.091470][ T7272] CPU: 1 UID: 0 PID: 7272 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  280.091494][ T7272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  280.091504][ T7272] Call Trace:
[  280.091511][ T7272]  <TASK>
[  280.091519][ T7272]  dump_stack_lvl+0x189/0x250
[  280.091546][ T7272]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.091566][ T7272]  ? __pfx__printk+0x10/0x10
[  280.091588][ T7272]  ? kernfs_path_from_node+0x250/0x290
[  280.091606][ T7272]  ? kernfs_path_from_node+0x2f/0x290
[  280.091628][ T7272]  sysfs_create_dir_ns+0x259/0x280
[  280.091650][ T7272]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.091669][ T7272]  ? do_raw_spin_unlock+0x122/0x240
[  280.091694][ T7272]  kobject_add_internal+0x59f/0xb40
[  280.091724][ T7272]  kobject_init_and_add+0x125/0x190
[  280.091751][ T7272]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.091775][ T7272]  ? __raw_spin_lock_init+0x45/0x100
[  280.091796][ T7272]  ? __init_swait_queue_head+0xa9/0x150
[  280.091819][ T7272]  gfs2_sys_fs_add+0x234/0x450
[  280.091846][ T7272]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.091875][ T7272]  ? is_dynamic_key+0xd6/0x1c0
[  280.091897][ T7272]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.091928][ T7272]  gfs2_fill_super+0x13e8/0x2230
[  280.091964][ T7272]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.091987][ T7272]  ? sb_set_blocksize+0x104/0x180
[  280.092011][ T7272]  ? setup_bdev_super+0x4c1/0x5b0
[  280.092034][ T7272]  get_tree_bdev_flags+0x40e/0x4d0
[  280.092054][ T7272]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.092074][ T7272]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.092092][ T7272]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.092127][ T7272]  gfs2_get_tree+0x51/0x1e0
[  280.092150][ T7272]  vfs_get_tree+0x92/0x2b0
[  280.092174][ T7272]  do_new_mount+0x302/0xa10
[  280.092195][ T7272]  ? apparmor_capable+0x137/0x1b0
[  280.092226][ T7272]  ? __pfx_do_new_mount+0x10/0x10
[  280.092248][ T7272]  ? ns_capable+0x8a/0xf0
[  280.092275][ T7272]  ? kmem_cache_free+0x19b/0x690
[  280.092307][ T7272]  __se_sys_mount+0x313/0x410
[  280.092342][ T7272]  ? __pfx___se_sys_mount+0x10/0x10
[  280.092367][ T7272]  ? do_syscall_64+0xbe/0xfa0
[  280.092385][ T7272]  ? __x64_sys_mount+0x20/0xc0
[  280.092409][ T7272]  do_syscall_64+0xfa/0xfa0
[  280.092426][ T7272]  ? lockdep_hardirqs_on+0x9c/0x150
[  280.092446][ T7272]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.092463][ T7272]  ? clear_bhb_loop+0x60/0xb0
[  280.092485][ T7272]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.092503][ T7272] RIP: 0033:0x7facde59038a
[  280.092519][ T7272] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  280.092535][ T7272] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.092554][ T7272] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  280.092567][ T7272] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  280.092579][ T7272] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  280.092591][ T7272] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  280.092603][ T7272] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  280.092634][ T7272]  </TASK>
[  280.092666][ T7272] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.418835][ T7272] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.739127][ T7276] loop1: detected capacity change from 0 to 32768
[  280.756887][ T7276] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.764296][ T7276] CPU: 1 UID: 0 PID: 7276 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  280.764321][ T7276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  280.764332][ T7276] Call Trace:
[  280.764340][ T7276]  <TASK>
[  280.764348][ T7276]  dump_stack_lvl+0x189/0x250
[  280.764376][ T7276]  ? __pfx_dump_stack_lvl+0x10/0x10
[  280.764396][ T7276]  ? __pfx__printk+0x10/0x10
[  280.764421][ T7276]  ? kernfs_path_from_node+0x250/0x290
[  280.764440][ T7276]  ? kernfs_path_from_node+0x2f/0x290
[  280.764461][ T7276]  sysfs_create_dir_ns+0x259/0x280
[  280.764483][ T7276]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  280.764503][ T7276]  ? do_raw_spin_unlock+0x122/0x240
[  280.764528][ T7276]  kobject_add_internal+0x59f/0xb40
[  280.764560][ T7276]  kobject_init_and_add+0x125/0x190
[  280.764589][ T7276]  ? __pfx_kobject_init_and_add+0x10/0x10
[  280.764612][ T7276]  ? __raw_spin_lock_init+0x45/0x100
[  280.764633][ T7276]  ? __init_swait_queue_head+0xa9/0x150
[  280.764656][ T7276]  gfs2_sys_fs_add+0x234/0x450
[  280.764705][ T7276]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  280.764734][ T7276]  ? is_dynamic_key+0xd6/0x1c0
[  280.764756][ T7276]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  280.764791][ T7276]  gfs2_fill_super+0x13e8/0x2230
[  280.764828][ T7276]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.764853][ T7276]  ? sb_set_blocksize+0x104/0x180
[  280.764877][ T7276]  ? setup_bdev_super+0x4c1/0x5b0
[  280.764903][ T7276]  get_tree_bdev_flags+0x40e/0x4d0
[  280.764924][ T7276]  ? __pfx_gfs2_fill_super+0x10/0x10
[  280.764944][ T7276]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  280.764963][ T7276]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  280.764998][ T7276]  gfs2_get_tree+0x51/0x1e0
[  280.765022][ T7276]  vfs_get_tree+0x92/0x2b0
[  280.765046][ T7276]  do_new_mount+0x302/0xa10
[  280.765068][ T7276]  ? apparmor_capable+0x137/0x1b0
[  280.765100][ T7276]  ? __pfx_do_new_mount+0x10/0x10
[  280.765123][ T7276]  ? ns_capable+0x8a/0xf0
[  280.765150][ T7276]  ? kmem_cache_free+0x19b/0x690
[  280.765182][ T7276]  __se_sys_mount+0x313/0x410
[  280.765217][ T7276]  ? __pfx___se_sys_mount+0x10/0x10
[  280.765244][ T7276]  ? do_syscall_64+0xbe/0xfa0
[  280.765263][ T7276]  ? __x64_sys_mount+0x20/0xc0
[  280.765288][ T7276]  do_syscall_64+0xfa/0xfa0
[  280.765307][ T7276]  ? lockdep_hardirqs_on+0x9c/0x150
[  280.765327][ T7276]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.765345][ T7276]  ? clear_bhb_loop+0x60/0xb0
[  280.765367][ T7276]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  280.765386][ T7276] RIP: 0033:0x7facde59038a
[  280.765403][ T7276] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  280.765420][ T7276] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.765440][ T7276] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  280.765454][ T7276] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  280.765468][ T7276] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  280.765480][ T7276] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  280.765492][ T7276] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  280.765522][ T7276]  </TASK>
[  281.080847][ T7276] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.099501][ T7276] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.426003][ T7280] loop1: detected capacity change from 0 to 32768
[  281.456612][ T7280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.464122][ T7280] CPU: 1 UID: 0 PID: 7280 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  281.464146][ T7280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  281.464168][ T7280] Call Trace:
[  281.464176][ T7280]  <TASK>
[  281.464184][ T7280]  dump_stack_lvl+0x189/0x250
[  281.464212][ T7280]  ? __pfx_dump_stack_lvl+0x10/0x10
[  281.464232][ T7280]  ? __pfx__printk+0x10/0x10
[  281.464258][ T7280]  ? kernfs_path_from_node+0x250/0x290
[  281.464276][ T7280]  ? kernfs_path_from_node+0x2f/0x290
[  281.464298][ T7280]  sysfs_create_dir_ns+0x259/0x280
[  281.464320][ T7280]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  281.464341][ T7280]  ? do_raw_spin_unlock+0x122/0x240
[  281.464367][ T7280]  kobject_add_internal+0x59f/0xb40
[  281.464399][ T7280]  kobject_init_and_add+0x125/0x190
[  281.464429][ T7280]  ? __pfx_kobject_init_and_add+0x10/0x10
[  281.464453][ T7280]  ? __raw_spin_lock_init+0x45/0x100
[  281.464474][ T7280]  ? __init_swait_queue_head+0xa9/0x150
[  281.464497][ T7280]  gfs2_sys_fs_add+0x234/0x450
[  281.464524][ T7280]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  281.464556][ T7280]  ? is_dynamic_key+0xd6/0x1c0
[  281.464579][ T7280]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  281.464613][ T7280]  gfs2_fill_super+0x13e8/0x2230
[  281.464650][ T7280]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.464676][ T7280]  ? sb_set_blocksize+0x104/0x180
[  281.464703][ T7280]  ? setup_bdev_super+0x4c1/0x5b0
[  281.464726][ T7280]  get_tree_bdev_flags+0x40e/0x4d0
[  281.464745][ T7280]  ? __pfx_gfs2_fill_super+0x10/0x10
[  281.464765][ T7280]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  281.464782][ T7280]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  281.464815][ T7280]  gfs2_get_tree+0x51/0x1e0
[  281.464839][ T7280]  vfs_get_tree+0x92/0x2b0
[  281.464863][ T7280]  do_new_mount+0x302/0xa10
[  281.464884][ T7280]  ? apparmor_capable+0x137/0x1b0
[  281.464913][ T7280]  ? __pfx_do_new_mount+0x10/0x10
[  281.464935][ T7280]  ? ns_capable+0x8a/0xf0
[  281.464961][ T7280]  ? kmem_cache_free+0x19b/0x690
[  281.464993][ T7280]  __se_sys_mount+0x313/0x410
[  281.465022][ T7280]  ? __pfx___se_sys_mount+0x10/0x10
[  281.465050][ T7280]  ? do_syscall_64+0xbe/0xfa0
[  281.465069][ T7280]  ? __x64_sys_mount+0x20/0xc0
[  281.465095][ T7280]  do_syscall_64+0xfa/0xfa0
[  281.465114][ T7280]  ? lockdep_hardirqs_on+0x9c/0x150
[  281.465134][ T7280]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.465152][ T7280]  ? clear_bhb_loop+0x60/0xb0
[  281.465180][ T7280]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  281.465199][ T7280] RIP: 0033:0x7facde59038a
[  281.465216][ T7280] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  281.465232][ T7280] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.465252][ T7280] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  281.465266][ T7280] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  281.465280][ T7280] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  281.465293][ T7280] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  281.465305][ T7280] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  281.465334][ T7280]  </TASK>
[  281.779557][ T7280] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.794857][ T7280] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.122796][ T7284] loop1: detected capacity change from 0 to 32768
[  282.136373][ T7284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.144080][ T7284] CPU: 0 UID: 0 PID: 7284 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  282.144102][ T7284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  282.144112][ T7284] Call Trace:
[  282.144119][ T7284]  <TASK>
[  282.144127][ T7284]  dump_stack_lvl+0x189/0x250
[  282.144154][ T7284]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.144172][ T7284]  ? __pfx__printk+0x10/0x10
[  282.144196][ T7284]  ? kernfs_path_from_node+0x250/0x290
[  282.144215][ T7284]  ? kernfs_path_from_node+0x2f/0x290
[  282.144236][ T7284]  sysfs_create_dir_ns+0x259/0x280
[  282.144257][ T7284]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.144277][ T7284]  ? do_raw_spin_unlock+0x122/0x240
[  282.144300][ T7284]  kobject_add_internal+0x59f/0xb40
[  282.144331][ T7284]  kobject_init_and_add+0x125/0x190
[  282.144360][ T7284]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.144382][ T7284]  ? __raw_spin_lock_init+0x45/0x100
[  282.144403][ T7284]  ? __init_swait_queue_head+0xa9/0x150
[  282.144426][ T7284]  gfs2_sys_fs_add+0x234/0x450
[  282.144454][ T7284]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.144486][ T7284]  ? is_dynamic_key+0xd6/0x1c0
[  282.144508][ T7284]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.144541][ T7284]  gfs2_fill_super+0x13e8/0x2230
[  282.144576][ T7284]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.144601][ T7284]  ? sb_set_blocksize+0x104/0x180
[  282.144625][ T7284]  ? setup_bdev_super+0x4c1/0x5b0
[  282.144650][ T7284]  get_tree_bdev_flags+0x40e/0x4d0
[  282.144671][ T7284]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.144691][ T7284]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.144713][ T7284]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.144748][ T7284]  gfs2_get_tree+0x51/0x1e0
[  282.144771][ T7284]  vfs_get_tree+0x92/0x2b0
[  282.144794][ T7284]  do_new_mount+0x302/0xa10
[  282.144814][ T7284]  ? apparmor_capable+0x137/0x1b0
[  282.144844][ T7284]  ? __pfx_do_new_mount+0x10/0x10
[  282.144867][ T7284]  ? ns_capable+0x8a/0xf0
[  282.144893][ T7284]  ? kmem_cache_free+0x19b/0x690
[  282.144924][ T7284]  __se_sys_mount+0x313/0x410
[  282.144953][ T7284]  ? __pfx___se_sys_mount+0x10/0x10
[  282.144980][ T7284]  ? do_syscall_64+0xbe/0xfa0
[  282.144999][ T7284]  ? __x64_sys_mount+0x20/0xc0
[  282.145023][ T7284]  do_syscall_64+0xfa/0xfa0
[  282.145041][ T7284]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.145084][ T7284]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.145103][ T7284]  ? clear_bhb_loop+0x60/0xb0
[  282.145125][ T7284]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.145143][ T7284] RIP: 0033:0x7facde59038a
[  282.145159][ T7284] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  282.145175][ T7284] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.145194][ T7284] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  282.145208][ T7284] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  282.145221][ T7284] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  282.145233][ T7284] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  282.145245][ T7284] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  282.145274][ T7284]  </TASK>
[  282.457402][ T7284] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.471642][ T7284] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.798412][ T7288] loop1: detected capacity change from 0 to 32768
[  282.812279][ T7288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.819993][ T7288] CPU: 1 UID: 0 PID: 7288 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  282.820018][ T7288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  282.820029][ T7288] Call Trace:
[  282.820036][ T7288]  <TASK>
[  282.820044][ T7288]  dump_stack_lvl+0x189/0x250
[  282.820072][ T7288]  ? __pfx_dump_stack_lvl+0x10/0x10
[  282.820092][ T7288]  ? __pfx__printk+0x10/0x10
[  282.820117][ T7288]  ? kernfs_path_from_node+0x250/0x290
[  282.820135][ T7288]  ? kernfs_path_from_node+0x2f/0x290
[  282.820157][ T7288]  sysfs_create_dir_ns+0x259/0x280
[  282.820179][ T7288]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  282.820200][ T7288]  ? do_raw_spin_unlock+0x122/0x240
[  282.820225][ T7288]  kobject_add_internal+0x59f/0xb40
[  282.820256][ T7288]  kobject_init_and_add+0x125/0x190
[  282.820284][ T7288]  ? __pfx_kobject_init_and_add+0x10/0x10
[  282.820309][ T7288]  ? __raw_spin_lock_init+0x45/0x100
[  282.820330][ T7288]  ? __init_swait_queue_head+0xa9/0x150
[  282.820354][ T7288]  gfs2_sys_fs_add+0x234/0x450
[  282.820382][ T7288]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  282.820413][ T7288]  ? is_dynamic_key+0xd6/0x1c0
[  282.820435][ T7288]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  282.820468][ T7288]  gfs2_fill_super+0x13e8/0x2230
[  282.820505][ T7288]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.820531][ T7288]  ? sb_set_blocksize+0x104/0x180
[  282.820556][ T7288]  ? setup_bdev_super+0x4c1/0x5b0
[  282.820581][ T7288]  get_tree_bdev_flags+0x40e/0x4d0
[  282.820602][ T7288]  ? __pfx_gfs2_fill_super+0x10/0x10
[  282.820622][ T7288]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  282.820641][ T7288]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  282.820676][ T7288]  gfs2_get_tree+0x51/0x1e0
[  282.820699][ T7288]  vfs_get_tree+0x92/0x2b0
[  282.820721][ T7288]  do_new_mount+0x302/0xa10
[  282.820742][ T7288]  ? apparmor_capable+0x137/0x1b0
[  282.820771][ T7288]  ? __pfx_do_new_mount+0x10/0x10
[  282.820793][ T7288]  ? ns_capable+0x8a/0xf0
[  282.820819][ T7288]  ? kmem_cache_free+0x19b/0x690
[  282.820848][ T7288]  __se_sys_mount+0x313/0x410
[  282.820874][ T7288]  ? __pfx___se_sys_mount+0x10/0x10
[  282.820897][ T7288]  ? do_syscall_64+0xbe/0xfa0
[  282.820915][ T7288]  ? __x64_sys_mount+0x20/0xc0
[  282.820938][ T7288]  do_syscall_64+0xfa/0xfa0
[  282.820955][ T7288]  ? lockdep_hardirqs_on+0x9c/0x150
[  282.820981][ T7288]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.820998][ T7288]  ? clear_bhb_loop+0x60/0xb0
[  282.821020][ T7288]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  282.821037][ T7288] RIP: 0033:0x7facde59038a
[  282.821054][ T7288] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  282.821069][ T7288] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.821087][ T7288] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  282.821100][ T7288] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  282.821114][ T7288] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  282.821126][ T7288] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  282.821139][ T7288] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  282.821167][ T7288]  </TASK>
[  282.821189][ T7288] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.148081][ T7288] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.482895][ T7292] loop1: detected capacity change from 0 to 32768
[  283.495786][ T7292] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.503218][ T7292] CPU: 0 UID: 0 PID: 7292 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  283.503241][ T7292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  283.503253][ T7292] Call Trace:
[  283.503261][ T7292]  <TASK>
[  283.503268][ T7292]  dump_stack_lvl+0x189/0x250
[  283.503296][ T7292]  ? __pfx_dump_stack_lvl+0x10/0x10
[  283.503315][ T7292]  ? __pfx__printk+0x10/0x10
[  283.503339][ T7292]  ? kernfs_path_from_node+0x250/0x290
[  283.503357][ T7292]  ? kernfs_path_from_node+0x2f/0x290
[  283.503379][ T7292]  sysfs_create_dir_ns+0x259/0x280
[  283.503401][ T7292]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  283.503419][ T7292]  ? do_raw_spin_unlock+0x122/0x240
[  283.503443][ T7292]  kobject_add_internal+0x59f/0xb40
[  283.503475][ T7292]  kobject_init_and_add+0x125/0x190
[  283.503502][ T7292]  ? __pfx_kobject_init_and_add+0x10/0x10
[  283.503526][ T7292]  ? __raw_spin_lock_init+0x45/0x100
[  283.503547][ T7292]  ? __init_swait_queue_head+0xa9/0x150
[  283.503571][ T7292]  gfs2_sys_fs_add+0x234/0x450
[  283.503599][ T7292]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  283.503630][ T7292]  ? is_dynamic_key+0xd6/0x1c0
[  283.503652][ T7292]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  283.503683][ T7292]  gfs2_fill_super+0x13e8/0x2230
[  283.503719][ T7292]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.503745][ T7292]  ? sb_set_blocksize+0x104/0x180
[  283.503770][ T7292]  ? setup_bdev_super+0x4c1/0x5b0
[  283.503796][ T7292]  get_tree_bdev_flags+0x40e/0x4d0
[  283.503816][ T7292]  ? __pfx_gfs2_fill_super+0x10/0x10
[  283.503837][ T7292]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  283.503856][ T7292]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  283.503893][ T7292]  gfs2_get_tree+0x51/0x1e0
[  283.503925][ T7292]  vfs_get_tree+0x92/0x2b0
[  283.503950][ T7292]  do_new_mount+0x302/0xa10
[  283.503971][ T7292]  ? apparmor_capable+0x137/0x1b0
[  283.504002][ T7292]  ? __pfx_do_new_mount+0x10/0x10
[  283.504024][ T7292]  ? ns_capable+0x8a/0xf0
[  283.504049][ T7292]  ? kmem_cache_free+0x19b/0x690
[  283.504079][ T7292]  __se_sys_mount+0x313/0x410
[  283.504107][ T7292]  ? __pfx___se_sys_mount+0x10/0x10
[  283.504134][ T7292]  ? do_syscall_64+0xbe/0xfa0
[  283.504152][ T7292]  ? __x64_sys_mount+0x20/0xc0
[  283.504177][ T7292]  do_syscall_64+0xfa/0xfa0
[  283.504195][ T7292]  ? lockdep_hardirqs_on+0x9c/0x150
[  283.504215][ T7292]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.504233][ T7292]  ? clear_bhb_loop+0x60/0xb0
[  283.504255][ T7292]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  283.504273][ T7292] RIP: 0033:0x7facde59038a
[  283.504290][ T7292] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  283.504306][ T7292] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.504325][ T7292] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  283.504339][ T7292] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  283.504352][ T7292] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  283.504365][ T7292] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  283.504377][ T7292] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  283.504410][ T7292]  </TASK>
[  283.504435][ T7292] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.831582][ T7292] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/10/17 12:23:45 executed programs: 202
[  284.164285][ T7296] loop1: detected capacity change from 0 to 32768
[  284.175167][ T7296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.182605][ T7296] CPU: 1 UID: 0 PID: 7296 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  284.182627][ T7296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  284.182643][ T7296] Call Trace:
[  284.182650][ T7296]  <TASK>
[  284.182658][ T7296]  dump_stack_lvl+0x189/0x250
[  284.182681][ T7296]  ? __pfx_dump_stack_lvl+0x10/0x10
[  284.182700][ T7296]  ? __pfx__printk+0x10/0x10
[  284.182724][ T7296]  ? kernfs_path_from_node+0x250/0x290
[  284.182741][ T7296]  ? kernfs_path_from_node+0x2f/0x290
[  284.182760][ T7296]  sysfs_create_dir_ns+0x259/0x280
[  284.182781][ T7296]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.182801][ T7296]  ? do_raw_spin_unlock+0x122/0x240
[  284.182825][ T7296]  kobject_add_internal+0x59f/0xb40
[  284.182860][ T7296]  kobject_init_and_add+0x125/0x190
[  284.182886][ T7296]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.182909][ T7296]  ? __raw_spin_lock_init+0x45/0x100
[  284.182930][ T7296]  ? __init_swait_queue_head+0xa9/0x150
[  284.182951][ T7296]  gfs2_sys_fs_add+0x234/0x450
[  284.182980][ T7296]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.183009][ T7296]  ? is_dynamic_key+0xd6/0x1c0
[  284.183031][ T7296]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.183064][ T7296]  gfs2_fill_super+0x13e8/0x2230
[  284.183101][ T7296]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.183126][ T7296]  ? sb_set_blocksize+0x104/0x180
[  284.183151][ T7296]  ? setup_bdev_super+0x4c1/0x5b0
[  284.183176][ T7296]  get_tree_bdev_flags+0x40e/0x4d0
[  284.183196][ T7296]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.183215][ T7296]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.183234][ T7296]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.183268][ T7296]  gfs2_get_tree+0x51/0x1e0
[  284.183291][ T7296]  vfs_get_tree+0x92/0x2b0
[  284.183315][ T7296]  do_new_mount+0x302/0xa10
[  284.183334][ T7296]  ? apparmor_capable+0x137/0x1b0
[  284.183361][ T7296]  ? __pfx_do_new_mount+0x10/0x10
[  284.183382][ T7296]  ? ns_capable+0x8a/0xf0
[  284.183409][ T7296]  ? kmem_cache_free+0x19b/0x690
[  284.183440][ T7296]  __se_sys_mount+0x313/0x410
[  284.183469][ T7296]  ? __pfx___se_sys_mount+0x10/0x10
[  284.183496][ T7296]  ? do_syscall_64+0xbe/0xfa0
[  284.183514][ T7296]  ? __x64_sys_mount+0x20/0xc0
[  284.183539][ T7296]  do_syscall_64+0xfa/0xfa0
[  284.183558][ T7296]  ? lockdep_hardirqs_on+0x9c/0x150
[  284.183578][ T7296]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.183596][ T7296]  ? clear_bhb_loop+0x60/0xb0
[  284.183619][ T7296]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.183636][ T7296] RIP: 0033:0x7facde59038a
[  284.183661][ T7296] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  284.183676][ T7296] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.183695][ T7296] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  284.183708][ T7296] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  284.183721][ T7296] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  284.183733][ T7296] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  284.183745][ T7296] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  284.183775][ T7296]  </TASK>
[  284.184405][ T7296] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.511787][ T7296] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.841003][ T7300] loop1: detected capacity change from 0 to 32768
[  284.855993][ T7300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.863402][ T7300] CPU: 1 UID: 0 PID: 7300 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  284.863427][ T7300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  284.863438][ T7300] Call Trace:
[  284.863446][ T7300]  <TASK>
[  284.863454][ T7300]  dump_stack_lvl+0x189/0x250
[  284.863482][ T7300]  ? __pfx_dump_stack_lvl+0x10/0x10
[  284.863502][ T7300]  ? __pfx__printk+0x10/0x10
[  284.863526][ T7300]  ? kernfs_path_from_node+0x250/0x290
[  284.863544][ T7300]  ? kernfs_path_from_node+0x2f/0x290
[  284.863566][ T7300]  sysfs_create_dir_ns+0x259/0x280
[  284.863595][ T7300]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  284.863615][ T7300]  ? do_raw_spin_unlock+0x122/0x240
[  284.863638][ T7300]  kobject_add_internal+0x59f/0xb40
[  284.863669][ T7300]  kobject_init_and_add+0x125/0x190
[  284.863697][ T7300]  ? __pfx_kobject_init_and_add+0x10/0x10
[  284.863721][ T7300]  ? __raw_spin_lock_init+0x45/0x100
[  284.863742][ T7300]  ? __init_swait_queue_head+0xa9/0x150
[  284.863765][ T7300]  gfs2_sys_fs_add+0x234/0x450
[  284.863792][ T7300]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  284.863822][ T7300]  ? is_dynamic_key+0xd6/0x1c0
[  284.863843][ T7300]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  284.863877][ T7300]  gfs2_fill_super+0x13e8/0x2230
[  284.863913][ T7300]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.863938][ T7300]  ? sb_set_blocksize+0x104/0x180
[  284.863969][ T7300]  ? setup_bdev_super+0x4c1/0x5b0
[  284.863995][ T7300]  get_tree_bdev_flags+0x40e/0x4d0
[  284.864016][ T7300]  ? __pfx_gfs2_fill_super+0x10/0x10
[  284.864037][ T7300]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  284.864057][ T7300]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  284.864093][ T7300]  gfs2_get_tree+0x51/0x1e0
[  284.864116][ T7300]  vfs_get_tree+0x92/0x2b0
[  284.864140][ T7300]  do_new_mount+0x302/0xa10
[  284.864161][ T7300]  ? apparmor_capable+0x137/0x1b0
[  284.864192][ T7300]  ? __pfx_do_new_mount+0x10/0x10
[  284.864215][ T7300]  ? ns_capable+0x8a/0xf0
[  284.864240][ T7300]  ? kmem_cache_free+0x19b/0x690
[  284.864272][ T7300]  __se_sys_mount+0x313/0x410
[  284.864302][ T7300]  ? __pfx___se_sys_mount+0x10/0x10
[  284.864330][ T7300]  ? do_syscall_64+0xbe/0xfa0
[  284.864348][ T7300]  ? __x64_sys_mount+0x20/0xc0
[  284.864374][ T7300]  do_syscall_64+0xfa/0xfa0
[  284.864392][ T7300]  ? lockdep_hardirqs_on+0x9c/0x150
[  284.864411][ T7300]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.864429][ T7300]  ? clear_bhb_loop+0x60/0xb0
[  284.864450][ T7300]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  284.864467][ T7300] RIP: 0033:0x7facde59038a
[  284.864483][ T7300] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  284.864499][ T7300] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.864519][ T7300] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  284.864533][ T7300] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  284.864546][ T7300] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  284.864558][ T7300] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  284.864570][ T7300] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  284.864611][ T7300]  </TASK>
[  284.864637][ T7300] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.192605][ T7300] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.532376][ T7304] loop1: detected capacity change from 0 to 32768
[  285.565726][ T7304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.573212][ T7304] CPU: 1 UID: 0 PID: 7304 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  285.573228][ T7304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  285.573234][ T7304] Call Trace:
[  285.573240][ T7304]  <TASK>
[  285.573245][ T7304]  dump_stack_lvl+0x189/0x250
[  285.573263][ T7304]  ? __pfx_dump_stack_lvl+0x10/0x10
[  285.573274][ T7304]  ? __pfx__printk+0x10/0x10
[  285.573288][ T7304]  ? kernfs_path_from_node+0x250/0x290
[  285.573299][ T7304]  ? kernfs_path_from_node+0x2f/0x290
[  285.573311][ T7304]  sysfs_create_dir_ns+0x259/0x280
[  285.573323][ T7304]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  285.573335][ T7304]  ? do_raw_spin_unlock+0x122/0x240
[  285.573348][ T7304]  kobject_add_internal+0x59f/0xb40
[  285.573367][ T7304]  kobject_init_and_add+0x125/0x190
[  285.573383][ T7304]  ? __pfx_kobject_init_and_add+0x10/0x10
[  285.573396][ T7304]  ? __raw_spin_lock_init+0x45/0x100
[  285.573408][ T7304]  ? __init_swait_queue_head+0xa9/0x150
[  285.573421][ T7304]  gfs2_sys_fs_add+0x234/0x450
[  285.573438][ T7304]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  285.573459][ T7304]  ? is_dynamic_key+0xd6/0x1c0
[  285.573472][ T7304]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  285.573491][ T7304]  gfs2_fill_super+0x13e8/0x2230
[  285.573518][ T7304]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.573532][ T7304]  ? sb_set_blocksize+0x104/0x180
[  285.573546][ T7304]  ? setup_bdev_super+0x4c1/0x5b0
[  285.573560][ T7304]  get_tree_bdev_flags+0x40e/0x4d0
[  285.573573][ T7304]  ? __pfx_gfs2_fill_super+0x10/0x10
[  285.573585][ T7304]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  285.573595][ T7304]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  285.573615][ T7304]  gfs2_get_tree+0x51/0x1e0
[  285.573629][ T7304]  vfs_get_tree+0x92/0x2b0
[  285.573642][ T7304]  do_new_mount+0x302/0xa10
[  285.573654][ T7304]  ? apparmor_capable+0x137/0x1b0
[  285.573672][ T7304]  ? __pfx_do_new_mount+0x10/0x10
[  285.573684][ T7304]  ? ns_capable+0x8a/0xf0
[  285.573699][ T7304]  ? kmem_cache_free+0x19b/0x690
[  285.573718][ T7304]  __se_sys_mount+0x313/0x410
[  285.573734][ T7304]  ? __pfx___se_sys_mount+0x10/0x10
[  285.573749][ T7304]  ? do_syscall_64+0xbe/0xfa0
[  285.573760][ T7304]  ? __x64_sys_mount+0x20/0xc0
[  285.573774][ T7304]  do_syscall_64+0xfa/0xfa0
[  285.573785][ T7304]  ? lockdep_hardirqs_on+0x9c/0x150
[  285.573796][ T7304]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.573806][ T7304]  ? clear_bhb_loop+0x60/0xb0
[  285.573819][ T7304]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.573829][ T7304] RIP: 0033:0x7facde59038a
[  285.573840][ T7304] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  285.573849][ T7304] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.573861][ T7304] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  285.573869][ T7304] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  285.573876][ T7304] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  285.573883][ T7304] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  285.573889][ T7304] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  285.573906][ T7304]  </TASK>
[  285.574031][ T7304] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.901925][ T7304] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.233355][ T7308] loop1: detected capacity change from 0 to 32768
[  286.257518][ T7308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.265009][ T7308] CPU: 1 UID: 0 PID: 7308 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  286.265032][ T7308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  286.265043][ T7308] Call Trace:
[  286.265051][ T7308]  <TASK>
[  286.265059][ T7308]  dump_stack_lvl+0x189/0x250
[  286.265087][ T7308]  ? __pfx_dump_stack_lvl+0x10/0x10
[  286.265106][ T7308]  ? __pfx__printk+0x10/0x10
[  286.265130][ T7308]  ? kernfs_path_from_node+0x250/0x290
[  286.265148][ T7308]  ? kernfs_path_from_node+0x2f/0x290
[  286.265170][ T7308]  sysfs_create_dir_ns+0x259/0x280
[  286.265193][ T7308]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.265213][ T7308]  ? do_raw_spin_unlock+0x122/0x240
[  286.265235][ T7308]  kobject_add_internal+0x59f/0xb40
[  286.265269][ T7308]  kobject_init_and_add+0x125/0x190
[  286.265301][ T7308]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.265326][ T7308]  ? __raw_spin_lock_init+0x45/0x100
[  286.265348][ T7308]  ? __init_swait_queue_head+0xa9/0x150
[  286.265371][ T7308]  gfs2_sys_fs_add+0x234/0x450
[  286.265409][ T7308]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.265440][ T7308]  ? is_dynamic_key+0xd6/0x1c0
[  286.265461][ T7308]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.265495][ T7308]  gfs2_fill_super+0x13e8/0x2230
[  286.265531][ T7308]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.265557][ T7308]  ? sb_set_blocksize+0x104/0x180
[  286.265582][ T7308]  ? setup_bdev_super+0x4c1/0x5b0
[  286.265607][ T7308]  get_tree_bdev_flags+0x40e/0x4d0
[  286.265627][ T7308]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.265647][ T7308]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.265666][ T7308]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.265700][ T7308]  gfs2_get_tree+0x51/0x1e0
[  286.265725][ T7308]  vfs_get_tree+0x92/0x2b0
[  286.265748][ T7308]  do_new_mount+0x302/0xa10
[  286.265769][ T7308]  ? apparmor_capable+0x137/0x1b0
[  286.265800][ T7308]  ? __pfx_do_new_mount+0x10/0x10
[  286.265822][ T7308]  ? ns_capable+0x8a/0xf0
[  286.265849][ T7308]  ? kmem_cache_free+0x19b/0x690
[  286.265882][ T7308]  __se_sys_mount+0x313/0x410
[  286.265910][ T7308]  ? __pfx___se_sys_mount+0x10/0x10
[  286.265937][ T7308]  ? do_syscall_64+0xbe/0xfa0
[  286.265957][ T7308]  ? __x64_sys_mount+0x20/0xc0
[  286.265981][ T7308]  do_syscall_64+0xfa/0xfa0
[  286.266001][ T7308]  ? lockdep_hardirqs_on+0x9c/0x150
[  286.266021][ T7308]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.266039][ T7308]  ? clear_bhb_loop+0x60/0xb0
[  286.266061][ T7308]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.266079][ T7308] RIP: 0033:0x7facde59038a
[  286.266097][ T7308] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  286.266112][ T7308] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.266133][ T7308] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  286.266147][ T7308] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  286.266160][ T7308] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  286.266173][ T7308] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  286.266186][ T7308] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  286.266217][ T7308]  </TASK>
[  286.266272][ T7308] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.593586][ T7308] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.920010][ T7312] loop1: detected capacity change from 0 to 32768
[  286.951555][ T7312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.959091][ T7312] CPU: 1 UID: 0 PID: 7312 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  286.959116][ T7312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  286.959127][ T7312] Call Trace:
[  286.959135][ T7312]  <TASK>
[  286.959143][ T7312]  dump_stack_lvl+0x189/0x250
[  286.959170][ T7312]  ? __pfx_dump_stack_lvl+0x10/0x10
[  286.959190][ T7312]  ? __pfx__printk+0x10/0x10
[  286.959214][ T7312]  ? kernfs_path_from_node+0x250/0x290
[  286.959233][ T7312]  ? kernfs_path_from_node+0x2f/0x290
[  286.959255][ T7312]  sysfs_create_dir_ns+0x259/0x280
[  286.959277][ T7312]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  286.959298][ T7312]  ? do_raw_spin_unlock+0x122/0x240
[  286.959323][ T7312]  kobject_add_internal+0x59f/0xb40
[  286.959356][ T7312]  kobject_init_and_add+0x125/0x190
[  286.959384][ T7312]  ? __pfx_kobject_init_and_add+0x10/0x10
[  286.959407][ T7312]  ? __raw_spin_lock_init+0x45/0x100
[  286.959428][ T7312]  ? __init_swait_queue_head+0xa9/0x150
[  286.959450][ T7312]  gfs2_sys_fs_add+0x234/0x450
[  286.959477][ T7312]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  286.959507][ T7312]  ? is_dynamic_key+0xd6/0x1c0
[  286.959529][ T7312]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  286.959563][ T7312]  gfs2_fill_super+0x13e8/0x2230
[  286.959599][ T7312]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.959625][ T7312]  ? sb_set_blocksize+0x104/0x180
[  286.959658][ T7312]  ? setup_bdev_super+0x4c1/0x5b0
[  286.959684][ T7312]  get_tree_bdev_flags+0x40e/0x4d0
[  286.959706][ T7312]  ? __pfx_gfs2_fill_super+0x10/0x10
[  286.959727][ T7312]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  286.959747][ T7312]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  286.959784][ T7312]  gfs2_get_tree+0x51/0x1e0
[  286.959808][ T7312]  vfs_get_tree+0x92/0x2b0
[  286.959832][ T7312]  do_new_mount+0x302/0xa10
[  286.959854][ T7312]  ? apparmor_capable+0x137/0x1b0
[  286.959885][ T7312]  ? __pfx_do_new_mount+0x10/0x10
[  286.959908][ T7312]  ? ns_capable+0x8a/0xf0
[  286.959936][ T7312]  ? kmem_cache_free+0x19b/0x690
[  286.959986][ T7312]  __se_sys_mount+0x313/0x410
[  286.960025][ T7312]  ? __pfx___se_sys_mount+0x10/0x10
[  286.960057][ T7312]  ? do_syscall_64+0xbe/0xfa0
[  286.960076][ T7312]  ? __x64_sys_mount+0x20/0xc0
[  286.960101][ T7312]  do_syscall_64+0xfa/0xfa0
[  286.960116][ T7312]  ? lockdep_hardirqs_on+0x9c/0x150
[  286.960146][ T7312]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.960161][ T7312]  ? clear_bhb_loop+0x60/0xb0
[  286.960182][ T7312]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.960200][ T7312] RIP: 0033:0x7facde59038a
[  286.960217][ T7312] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  286.960233][ T7312] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.960254][ T7312] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  286.960268][ T7312] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  286.960281][ T7312] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  286.960294][ T7312] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  286.960307][ T7312] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  286.960338][ T7312]  </TASK>
[  286.960365][ T7312] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.288737][ T7312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.610585][ T7316] loop1: detected capacity change from 0 to 32768
[  287.626124][ T7316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.633525][ T7316] CPU: 1 UID: 0 PID: 7316 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  287.633556][ T7316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  287.633566][ T7316] Call Trace:
[  287.633572][ T7316]  <TASK>
[  287.633579][ T7316]  dump_stack_lvl+0x189/0x250
[  287.633604][ T7316]  ? __pfx_dump_stack_lvl+0x10/0x10
[  287.633622][ T7316]  ? __pfx__printk+0x10/0x10
[  287.633643][ T7316]  ? kernfs_path_from_node+0x250/0x290
[  287.633659][ T7316]  ? kernfs_path_from_node+0x2f/0x290
[  287.633679][ T7316]  sysfs_create_dir_ns+0x259/0x280
[  287.633697][ T7316]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  287.633716][ T7316]  ? do_raw_spin_unlock+0x122/0x240
[  287.633739][ T7316]  kobject_add_internal+0x59f/0xb40
[  287.633768][ T7316]  kobject_init_and_add+0x125/0x190
[  287.633793][ T7316]  ? __pfx_kobject_init_and_add+0x10/0x10
[  287.633815][ T7316]  ? __raw_spin_lock_init+0x45/0x100
[  287.633833][ T7316]  ? __init_swait_queue_head+0xa9/0x150
[  287.633853][ T7316]  gfs2_sys_fs_add+0x234/0x450
[  287.633878][ T7316]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  287.633902][ T7316]  ? is_dynamic_key+0xd6/0x1c0
[  287.633919][ T7316]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  287.633945][ T7316]  gfs2_fill_super+0x13e8/0x2230
[  287.633973][ T7316]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.633993][ T7316]  ? sb_set_blocksize+0x104/0x180
[  287.634012][ T7316]  ? setup_bdev_super+0x4c1/0x5b0
[  287.634033][ T7316]  get_tree_bdev_flags+0x40e/0x4d0
[  287.634050][ T7316]  ? __pfx_gfs2_fill_super+0x10/0x10
[  287.634066][ T7316]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  287.634081][ T7316]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  287.634110][ T7316]  gfs2_get_tree+0x51/0x1e0
[  287.634129][ T7316]  vfs_get_tree+0x92/0x2b0
[  287.634147][ T7316]  do_new_mount+0x302/0xa10
[  287.634164][ T7316]  ? apparmor_capable+0x137/0x1b0
[  287.634189][ T7316]  ? __pfx_do_new_mount+0x10/0x10
[  287.634206][ T7316]  ? ns_capable+0x8a/0xf0
[  287.634228][ T7316]  ? kmem_cache_free+0x19b/0x690
[  287.634253][ T7316]  __se_sys_mount+0x313/0x410
[  287.634276][ T7316]  ? __pfx___se_sys_mount+0x10/0x10
[  287.634298][ T7316]  ? do_syscall_64+0xbe/0xfa0
[  287.634313][ T7316]  ? __x64_sys_mount+0x20/0xc0
[  287.634332][ T7316]  do_syscall_64+0xfa/0xfa0
[  287.634347][ T7316]  ? lockdep_hardirqs_on+0x9c/0x150
[  287.634363][ T7316]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.634377][ T7316]  ? clear_bhb_loop+0x60/0xb0
[  287.634395][ T7316]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  287.634408][ T7316] RIP: 0033:0x7facde59038a
[  287.634422][ T7316] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  287.634434][ T7316] RSP: 002b:00007facdf4dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.634451][ T7316] RAX: ffffffffffffffda RBX: 00007facdf4daef0 RCX: 00007facde59038a
[  287.634461][ T7316] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007facdf4daeb0
[  287.634472][ T7316] RBP: 000020000001f680 R08: 00007facdf4daef0 R09: 0000000000000094
[  287.634482][ T7316] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  287.634491][ T7316] R13: 00007facdf4daeb0 R14: 000000000001f790 R15: 00002000000001c0
[  287.634514][ T7316]  </TASK>
[  287.634549][ T7316] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.962626][ T7316] gfs2: fsid=syz:syz: error -17 adding sysfs files