59]  gfs2_sys_fs_add+0x234/0x450
[  250.442701][ T6559]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  250.442732][ T6559]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  250.442760][ T6559]  gfs2_fill_super+0x13c0/0x20d0
[  250.442789][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.442813][ T6559]  ? sb_set_blocksize+0x104/0x180
[  250.442841][ T6559]  ? setup_bdev_super+0x4c1/0x5b0
[  250.442866][ T6559]  get_tree_bdev_flags+0x40e/0x4d0
[  250.442890][ T6559]  ? __pfx_gfs2_fill_super+0x10/0x10
[  250.442912][ T6559]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  250.442940][ T6559]  gfs2_get_tree+0x51/0x1e0
[  250.442975][ T6559]  vfs_get_tree+0x92/0x2b0
[  250.442999][ T6559]  do_new_mount+0x2a2/0xa30
[  250.443026][ T6559]  ? ns_capable+0x8a/0xf0
[  250.443054][ T6559]  ? __pfx_do_new_mount+0x10/0x10
[  250.443078][ T6559]  ? path_mount+0x61c/0xfe0
[  250.443101][ T6559]  ? user_path_at+0x44/0x60
[  250.443123][ T6559]  __se_sys_mount+0x317/0x410
[  250.443151][ T6559]  ? __pfx___se_sys_mount+0x10/0x10
[  250.443179][ T6559]  ? rcu_is_watching+0x15/0xb0
[  250.443206][ T6559]  ? __x64_sys_mount+0x20/0xc0
[  250.443233][ T6559]  do_syscall_64+0xfa/0xfa0
[  250.443257][ T6559]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.443276][ T6559]  ? clear_bhb_loop+0x60/0xb0
[  250.443297][ T6559]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  250.443316][ T6559] RIP: 0033:0x7f654e79038a
[  250.443334][ T6559] 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
[  250.443352][ T6559] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.443374][ T6559] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  250.443390][ T6559] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  250.443405][ T6559] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  250.443419][ T6559] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  250.443433][ T6559] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  250.443456][ T6559]  </TASK>
[  250.443476][ T6559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.760721][ T6559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.140031][ T6562] loop1: detected capacity change from 0 to 32768
[  251.155140][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.162819][ T6562] CPU: 0 UID: 0 PID: 6562 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) 
[  251.162845][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  251.162858][ T6562] Call Trace:
[  251.162866][ T6562]  <TASK>
[  251.162875][ T6562]  dump_stack_lvl+0x189/0x250
[  251.162905][ T6562]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.162929][ T6562]  ? __pfx__printk+0x10/0x10
[  251.162955][ T6562]  ? kernfs_root+0x1c/0x230
[  251.162976][ T6562]  ? kernfs_path_from_node+0x250/0x290
[  251.162993][ T6562]  ? kernfs_path_from_node+0x2f/0x290
[  251.163013][ T6562]  sysfs_create_dir_ns+0x259/0x280
[  251.163043][ T6562]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.163072][ T6562]  ? do_raw_spin_unlock+0x122/0x240
[  251.163095][ T6562]  kobject_add_internal+0x59f/0xb40
[  251.163125][ T6562]  kobject_init_and_add+0x125/0x190
[  251.163152][ T6562]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.163177][ T6562]  ? __raw_spin_lock_init+0x45/0x100
[  251.163234][ T6562]  ? __init_swait_queue_head+0xa9/0x150
[  251.163257][ T6562]  gfs2_sys_fs_add+0x234/0x450
[  251.163288][ T6562]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.163321][ T6562]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.163350][ T6562]  gfs2_fill_super+0x13c0/0x20d0
[  251.163381][ T6562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.163417][ T6562]  ? sb_set_blocksize+0x104/0x180
[  251.163444][ T6562]  ? setup_bdev_super+0x4c1/0x5b0
[  251.163469][ T6562]  get_tree_bdev_flags+0x40e/0x4d0
[  251.163510][ T6562]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.163532][ T6562]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.163562][ T6562]  gfs2_get_tree+0x51/0x1e0
[  251.163586][ T6562]  vfs_get_tree+0x92/0x2b0
[  251.163610][ T6562]  do_new_mount+0x2a2/0xa30
[  251.163638][ T6562]  ? ns_capable+0x8a/0xf0
[  251.163672][ T6562]  ? __pfx_do_new_mount+0x10/0x10
[  251.163697][ T6562]  ? path_mount+0x61c/0xfe0
[  251.163721][ T6562]  ? user_path_at+0x44/0x60
[  251.163744][ T6562]  __se_sys_mount+0x317/0x410
[  251.163774][ T6562]  ? __pfx___se_sys_mount+0x10/0x10
[  251.163802][ T6562]  ? rcu_is_watching+0x15/0xb0
[  251.163831][ T6562]  ? __x64_sys_mount+0x20/0xc0
[  251.163858][ T6562]  do_syscall_64+0xfa/0xfa0
[  251.163883][ T6562]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.163903][ T6562]  ? clear_bhb_loop+0x60/0xb0
[  251.163926][ T6562]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.163946][ T6562] RIP: 0033:0x7f654e79038a
[  251.163964][ T6562] 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
[  251.163983][ T6562] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.164005][ T6562] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  251.164022][ T6562] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  251.164038][ T6562] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  251.164052][ T6562] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  251.164066][ T6562] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  251.164090][ T6562]  </TASK>
[  251.164134][ T6562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.478076][ T6562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.872339][ T6565] loop1: detected capacity change from 0 to 32768
[  251.880521][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.888374][ T6565] CPU: 0 UID: 0 PID: 6565 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) 
[  251.888401][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  251.888415][ T6565] Call Trace:
[  251.888423][ T6565]  <TASK>
[  251.888432][ T6565]  dump_stack_lvl+0x189/0x250
[  251.888464][ T6565]  ? __pfx_dump_stack_lvl+0x10/0x10
[  251.888489][ T6565]  ? __pfx__printk+0x10/0x10
[  251.888516][ T6565]  ? kernfs_root+0x1c/0x230
[  251.888536][ T6565]  ? kernfs_path_from_node+0x250/0x290
[  251.888554][ T6565]  ? kernfs_path_from_node+0x2f/0x290
[  251.888573][ T6565]  sysfs_create_dir_ns+0x259/0x280
[  251.888605][ T6565]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  251.888636][ T6565]  ? do_raw_spin_unlock+0x122/0x240
[  251.888660][ T6565]  kobject_add_internal+0x59f/0xb40
[  251.888692][ T6565]  kobject_init_and_add+0x125/0x190
[  251.888720][ T6565]  ? __pfx_kobject_init_and_add+0x10/0x10
[  251.888746][ T6565]  ? __raw_spin_lock_init+0x45/0x100
[  251.888768][ T6565]  ? __init_swait_queue_head+0xa9/0x150
[  251.888790][ T6565]  gfs2_sys_fs_add+0x234/0x450
[  251.888820][ T6565]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  251.888852][ T6565]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  251.888881][ T6565]  gfs2_fill_super+0x13c0/0x20d0
[  251.888912][ T6565]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.888937][ T6565]  ? sb_set_blocksize+0x104/0x180
[  251.888965][ T6565]  ? setup_bdev_super+0x4c1/0x5b0
[  251.888991][ T6565]  get_tree_bdev_flags+0x40e/0x4d0
[  251.889015][ T6565]  ? __pfx_gfs2_fill_super+0x10/0x10
[  251.889037][ T6565]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  251.889067][ T6565]  gfs2_get_tree+0x51/0x1e0
[  251.889091][ T6565]  vfs_get_tree+0x92/0x2b0
[  251.889123][ T6565]  do_new_mount+0x2a2/0xa30
[  251.889151][ T6565]  ? ns_capable+0x8a/0xf0
[  251.889179][ T6565]  ? __pfx_do_new_mount+0x10/0x10
[  251.889204][ T6565]  ? path_mount+0x61c/0xfe0
[  251.889228][ T6565]  ? user_path_at+0x44/0x60
[  251.889251][ T6565]  __se_sys_mount+0x317/0x410
[  251.889281][ T6565]  ? __pfx___se_sys_mount+0x10/0x10
[  251.889310][ T6565]  ? rcu_is_watching+0x15/0xb0
[  251.889338][ T6565]  ? __x64_sys_mount+0x20/0xc0
[  251.889366][ T6565]  do_syscall_64+0xfa/0xfa0
[  251.889390][ T6565]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.889410][ T6565]  ? clear_bhb_loop+0x60/0xb0
[  251.889433][ T6565]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  251.889454][ T6565] RIP: 0033:0x7f654e79038a
[  251.889471][ T6565] 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
[  251.889490][ T6565] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.889513][ T6565] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  251.889529][ T6565] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  251.889544][ T6565] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  251.889558][ T6565] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  251.889572][ T6565] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  251.889596][ T6565]  </TASK>
[  251.889635][ T6565] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.203939][ T6565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.596695][ T6568] loop1: detected capacity change from 0 to 32768
[  252.608743][ T6568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.616227][ T6568] CPU: 1 UID: 0 PID: 6568 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) 
[  252.616251][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  252.616263][ T6568] Call Trace:
[  252.616270][ T6568]  <TASK>
[  252.616278][ T6568]  dump_stack_lvl+0x189/0x250
[  252.616307][ T6568]  ? __pfx_dump_stack_lvl+0x10/0x10
[  252.616328][ T6568]  ? __pfx__printk+0x10/0x10
[  252.616351][ T6568]  ? kernfs_root+0x1c/0x230
[  252.616369][ T6568]  ? kernfs_path_from_node+0x250/0x290
[  252.616384][ T6568]  ? kernfs_path_from_node+0x2f/0x290
[  252.616401][ T6568]  sysfs_create_dir_ns+0x259/0x280
[  252.616428][ T6568]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  252.616454][ T6568]  ? do_raw_spin_unlock+0x122/0x240
[  252.616475][ T6568]  kobject_add_internal+0x59f/0xb40
[  252.616501][ T6568]  kobject_init_and_add+0x125/0x190
[  252.616527][ T6568]  ? __pfx_kobject_init_and_add+0x10/0x10
[  252.616549][ T6568]  ? __raw_spin_lock_init+0x45/0x100
[  252.616569][ T6568]  ? __init_swait_queue_head+0xa9/0x150
[  252.616588][ T6568]  gfs2_sys_fs_add+0x234/0x450
[  252.616616][ T6568]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  252.616644][ T6568]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  252.616670][ T6568]  gfs2_fill_super+0x13c0/0x20d0
[  252.616697][ T6568]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.616720][ T6568]  ? sb_set_blocksize+0x104/0x180
[  252.616745][ T6568]  ? setup_bdev_super+0x4c1/0x5b0
[  252.616768][ T6568]  get_tree_bdev_flags+0x40e/0x4d0
[  252.616790][ T6568]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.616810][ T6568]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.616863][ T6568]  gfs2_get_tree+0x51/0x1e0
[  252.616886][ T6568]  vfs_get_tree+0x92/0x2b0
[  252.616909][ T6568]  do_new_mount+0x2a2/0xa30
[  252.616935][ T6568]  ? ns_capable+0x8a/0xf0
[  252.616963][ T6568]  ? __pfx_do_new_mount+0x10/0x10
[  252.616988][ T6568]  ? path_mount+0x61c/0xfe0
[  252.617010][ T6568]  ? user_path_at+0x44/0x60
[  252.617032][ T6568]  __se_sys_mount+0x317/0x410
[  252.617061][ T6568]  ? __pfx___se_sys_mount+0x10/0x10
[  252.617089][ T6568]  ? rcu_is_watching+0x15/0xb0
[  252.617116][ T6568]  ? __x64_sys_mount+0x20/0xc0
[  252.617143][ T6568]  do_syscall_64+0xfa/0xfa0
[  252.617167][ T6568]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.617187][ T6568]  ? clear_bhb_loop+0x60/0xb0
[  252.617209][ T6568]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.617229][ T6568] RIP: 0033:0x7f654e79038a
[  252.617247][ T6568] 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
[  252.617265][ T6568] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.617287][ T6568] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  252.617302][ T6568] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  252.617317][ T6568] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  252.617331][ T6568] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  252.617344][ T6568] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  252.617367][ T6568]  </TASK>
[  252.617388][ T6568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.933408][ T6568] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 02:00:30 executed programs: 160
[  253.315613][ T6571] loop1: detected capacity change from 0 to 32768
[  253.336977][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.344533][ T6571] CPU: 1 UID: 0 PID: 6571 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) 
[  253.344559][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  253.344573][ T6571] Call Trace:
[  253.344581][ T6571]  <TASK>
[  253.344589][ T6571]  dump_stack_lvl+0x189/0x250
[  253.344620][ T6571]  ? __pfx_dump_stack_lvl+0x10/0x10
[  253.344643][ T6571]  ? __pfx__printk+0x10/0x10
[  253.344669][ T6571]  ? kernfs_root+0x1c/0x230
[  253.344688][ T6571]  ? kernfs_path_from_node+0x250/0x290
[  253.344705][ T6571]  ? kernfs_path_from_node+0x2f/0x290
[  253.344725][ T6571]  sysfs_create_dir_ns+0x259/0x280
[  253.344756][ T6571]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.344791][ T6571]  ? do_raw_spin_unlock+0x122/0x240
[  253.344814][ T6571]  kobject_add_internal+0x59f/0xb40
[  253.344844][ T6571]  kobject_init_and_add+0x125/0x190
[  253.344869][ T6571]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.344895][ T6571]  ? __raw_spin_lock_init+0x45/0x100
[  253.344915][ T6571]  ? __init_swait_queue_head+0xa9/0x150
[  253.344936][ T6571]  gfs2_sys_fs_add+0x234/0x450
[  253.344966][ T6571]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.344997][ T6571]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.345025][ T6571]  gfs2_fill_super+0x13c0/0x20d0
[  253.345055][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.345080][ T6571]  ? sb_set_blocksize+0x104/0x180
[  253.345107][ T6571]  ? setup_bdev_super+0x4c1/0x5b0
[  253.345131][ T6571]  get_tree_bdev_flags+0x40e/0x4d0
[  253.345154][ T6571]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.345176][ T6571]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.345204][ T6571]  gfs2_get_tree+0x51/0x1e0
[  253.345226][ T6571]  vfs_get_tree+0x92/0x2b0
[  253.345250][ T6571]  do_new_mount+0x2a2/0xa30
[  253.345277][ T6571]  ? ns_capable+0x8a/0xf0
[  253.345304][ T6571]  ? __pfx_do_new_mount+0x10/0x10
[  253.345328][ T6571]  ? path_mount+0x61c/0xfe0
[  253.345351][ T6571]  ? user_path_at+0x44/0x60
[  253.345372][ T6571]  __se_sys_mount+0x317/0x410
[  253.345401][ T6571]  ? __pfx___se_sys_mount+0x10/0x10
[  253.345428][ T6571]  ? rcu_is_watching+0x15/0xb0
[  253.345455][ T6571]  ? __x64_sys_mount+0x20/0xc0
[  253.345481][ T6571]  do_syscall_64+0xfa/0xfa0
[  253.345505][ T6571]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.345525][ T6571]  ? clear_bhb_loop+0x60/0xb0
[  253.345547][ T6571]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.345566][ T6571] RIP: 0033:0x7f654e79038a
[  253.345583][ T6571] 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
[  253.345600][ T6571] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.345623][ T6571] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  253.345638][ T6571] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  253.345652][ T6571] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  253.345666][ T6571] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  253.345680][ T6571] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  253.345702][ T6571]  </TASK>
[  253.345722][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.661459][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.050863][ T6574] loop1: detected capacity change from 0 to 32768
[  254.060815][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.068976][ T6574] CPU: 0 UID: 0 PID: 6574 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  254.069005][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  254.069018][ T6574] Call Trace:
[  254.069025][ T6574]  <TASK>
[  254.069033][ T6574]  dump_stack_lvl+0x189/0x250
[  254.069064][ T6574]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.069088][ T6574]  ? __pfx__printk+0x10/0x10
[  254.069114][ T6574]  ? kernfs_root+0x1c/0x230
[  254.069135][ T6574]  ? kernfs_path_from_node+0x250/0x290
[  254.069151][ T6574]  ? kernfs_path_from_node+0x2f/0x290
[  254.069171][ T6574]  sysfs_create_dir_ns+0x259/0x280
[  254.069201][ T6574]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.069230][ T6574]  ? do_raw_spin_unlock+0x122/0x240
[  254.069253][ T6574]  kobject_add_internal+0x59f/0xb40
[  254.069283][ T6574]  kobject_init_and_add+0x125/0x190
[  254.069310][ T6574]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.069335][ T6574]  ? __raw_spin_lock_init+0x45/0x100
[  254.069355][ T6574]  ? __init_swait_queue_head+0xa9/0x150
[  254.069376][ T6574]  gfs2_sys_fs_add+0x234/0x450
[  254.069405][ T6574]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.069437][ T6574]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.069464][ T6574]  gfs2_fill_super+0x13c0/0x20d0
[  254.069495][ T6574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.069518][ T6574]  ? sb_set_blocksize+0x104/0x180
[  254.069544][ T6574]  ? setup_bdev_super+0x4c1/0x5b0
[  254.069569][ T6574]  get_tree_bdev_flags+0x40e/0x4d0
[  254.069592][ T6574]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.069613][ T6574]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.069641][ T6574]  gfs2_get_tree+0x51/0x1e0
[  254.069663][ T6574]  vfs_get_tree+0x92/0x2b0
[  254.069687][ T6574]  do_new_mount+0x2a2/0xa30
[  254.069715][ T6574]  ? ns_capable+0x8a/0xf0
[  254.069743][ T6574]  ? __pfx_do_new_mount+0x10/0x10
[  254.069767][ T6574]  ? path_mount+0x61c/0xfe0
[  254.069789][ T6574]  ? user_path_at+0x44/0x60
[  254.069811][ T6574]  __se_sys_mount+0x317/0x410
[  254.069840][ T6574]  ? __pfx___se_sys_mount+0x10/0x10
[  254.069867][ T6574]  ? rcu_is_watching+0x15/0xb0
[  254.069894][ T6574]  ? __x64_sys_mount+0x20/0xc0
[  254.069921][ T6574]  do_syscall_64+0xfa/0xfa0
[  254.069954][ T6574]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.069974][ T6574]  ? clear_bhb_loop+0x60/0xb0
[  254.069996][ T6574]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.070015][ T6574] RIP: 0033:0x7f654e79038a
[  254.070032][ T6574] 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
[  254.070050][ T6574] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.070072][ T6574] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  254.070088][ T6574] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  254.070102][ T6574] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  254.070116][ T6574] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  254.070129][ T6574] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  254.070152][ T6574]  </TASK>
[  254.070171][ T6574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.383847][ T6574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.777670][ T6577] loop1: detected capacity change from 0 to 32768
[  254.795711][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.803242][ T6577] CPU: 1 UID: 0 PID: 6577 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  254.803281][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  254.803293][ T6577] Call Trace:
[  254.803301][ T6577]  <TASK>
[  254.803310][ T6577]  dump_stack_lvl+0x189/0x250
[  254.803341][ T6577]  ? __pfx_dump_stack_lvl+0x10/0x10
[  254.803366][ T6577]  ? __pfx__printk+0x10/0x10
[  254.803391][ T6577]  ? kernfs_root+0x1c/0x230
[  254.803411][ T6577]  ? kernfs_path_from_node+0x250/0x290
[  254.803428][ T6577]  ? kernfs_path_from_node+0x2f/0x290
[  254.803448][ T6577]  sysfs_create_dir_ns+0x259/0x280
[  254.803477][ T6577]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.803506][ T6577]  ? do_raw_spin_unlock+0x122/0x240
[  254.803529][ T6577]  kobject_add_internal+0x59f/0xb40
[  254.803559][ T6577]  kobject_init_and_add+0x125/0x190
[  254.803586][ T6577]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.803612][ T6577]  ? __raw_spin_lock_init+0x45/0x100
[  254.803632][ T6577]  ? __init_swait_queue_head+0xa9/0x150
[  254.803653][ T6577]  gfs2_sys_fs_add+0x234/0x450
[  254.803691][ T6577]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.803723][ T6577]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.803751][ T6577]  gfs2_fill_super+0x13c0/0x20d0
[  254.803781][ T6577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.803805][ T6577]  ? sb_set_blocksize+0x104/0x180
[  254.803833][ T6577]  ? setup_bdev_super+0x4c1/0x5b0
[  254.803858][ T6577]  get_tree_bdev_flags+0x40e/0x4d0
[  254.803881][ T6577]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.803921][ T6577]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.803951][ T6577]  gfs2_get_tree+0x51/0x1e0
[  254.803974][ T6577]  vfs_get_tree+0x92/0x2b0
[  254.803998][ T6577]  do_new_mount+0x2a2/0xa30
[  254.804026][ T6577]  ? ns_capable+0x8a/0xf0
[  254.804054][ T6577]  ? __pfx_do_new_mount+0x10/0x10
[  254.804079][ T6577]  ? path_mount+0x61c/0xfe0
[  254.804103][ T6577]  ? user_path_at+0x44/0x60
[  254.804125][ T6577]  __se_sys_mount+0x317/0x410
[  254.804154][ T6577]  ? __pfx___se_sys_mount+0x10/0x10
[  254.804184][ T6577]  ? rcu_is_watching+0x15/0xb0
[  254.804212][ T6577]  ? __x64_sys_mount+0x20/0xc0
[  254.804239][ T6577]  do_syscall_64+0xfa/0xfa0
[  254.804265][ T6577]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.804286][ T6577]  ? clear_bhb_loop+0x60/0xb0
[  254.804308][ T6577]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.804327][ T6577] RIP: 0033:0x7f654e79038a
[  254.804346][ T6577] 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
[  254.804364][ T6577] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.804388][ T6577] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  254.804404][ T6577] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  254.804419][ T6577] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  254.804433][ T6577] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  254.804447][ T6577] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  254.804471][ T6577]  </TASK>
[  254.804493][ T6577] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.120166][ T6577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.502141][ T6580] loop1: detected capacity change from 0 to 32768
[  255.527395][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.535006][ T6580] CPU: 1 UID: 0 PID: 6580 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  255.535033][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  255.535046][ T6580] Call Trace:
[  255.535055][ T6580]  <TASK>
[  255.535063][ T6580]  dump_stack_lvl+0x189/0x250
[  255.535094][ T6580]  ? __pfx_dump_stack_lvl+0x10/0x10
[  255.535117][ T6580]  ? __pfx__printk+0x10/0x10
[  255.535143][ T6580]  ? kernfs_root+0x1c/0x230
[  255.535168][ T6580]  ? kernfs_path_from_node+0x250/0x290
[  255.535185][ T6580]  ? kernfs_path_from_node+0x2f/0x290
[  255.535204][ T6580]  sysfs_create_dir_ns+0x259/0x280
[  255.535235][ T6580]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.535265][ T6580]  ? do_raw_spin_unlock+0x122/0x240
[  255.535289][ T6580]  kobject_add_internal+0x59f/0xb40
[  255.535319][ T6580]  kobject_init_and_add+0x125/0x190
[  255.535347][ T6580]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.535366][ T6580]  ? __raw_spin_lock_init+0x45/0x100
[  255.535382][ T6580]  ? __init_swait_queue_head+0xa9/0x150
[  255.535398][ T6580]  gfs2_sys_fs_add+0x234/0x450
[  255.535419][ T6580]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.535442][ T6580]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.535463][ T6580]  gfs2_fill_super+0x13c0/0x20d0
[  255.535485][ T6580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.535502][ T6580]  ? sb_set_blocksize+0x104/0x180
[  255.535523][ T6580]  ? setup_bdev_super+0x4c1/0x5b0
[  255.535541][ T6580]  get_tree_bdev_flags+0x40e/0x4d0
[  255.535558][ T6580]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.535573][ T6580]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.535594][ T6580]  gfs2_get_tree+0x51/0x1e0
[  255.535623][ T6580]  vfs_get_tree+0x92/0x2b0
[  255.535641][ T6580]  do_new_mount+0x2a2/0xa30
[  255.535660][ T6580]  ? ns_capable+0x8a/0xf0
[  255.535681][ T6580]  ? __pfx_do_new_mount+0x10/0x10
[  255.535699][ T6580]  ? path_mount+0x61c/0xfe0
[  255.535716][ T6580]  ? user_path_at+0x44/0x60
[  255.535732][ T6580]  __se_sys_mount+0x317/0x410
[  255.535753][ T6580]  ? __pfx___se_sys_mount+0x10/0x10
[  255.535774][ T6580]  ? rcu_is_watching+0x15/0xb0
[  255.535795][ T6580]  ? __x64_sys_mount+0x20/0xc0
[  255.535815][ T6580]  do_syscall_64+0xfa/0xfa0
[  255.535833][ T6580]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.535847][ T6580]  ? clear_bhb_loop+0x60/0xb0
[  255.535865][ T6580]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.535880][ T6580] RIP: 0033:0x7f654e79038a
[  255.535893][ T6580] 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
[  255.535906][ T6580] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.535925][ T6580] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  255.535937][ T6580] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  255.535948][ T6580] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  255.535959][ T6580] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  255.535969][ T6580] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  255.535986][ T6580]  </TASK>
[  255.538576][ T6580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.755124][ T1303] ieee802154 phy0 wpan0: encryption failed: -22
[  255.755175][ T1303] ieee802154 phy1 wpan1: encryption failed: -22
[  255.869660][ T6580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.260502][ T6583] loop1: detected capacity change from 0 to 32768
[  256.269350][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.277022][ T6583] CPU: 0 UID: 0 PID: 6583 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  256.277050][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  256.277063][ T6583] Call Trace:
[  256.277070][ T6583]  <TASK>
[  256.277079][ T6583]  dump_stack_lvl+0x189/0x250
[  256.277108][ T6583]  ? __pfx_dump_stack_lvl+0x10/0x10
[  256.277132][ T6583]  ? __pfx__printk+0x10/0x10
[  256.277157][ T6583]  ? kernfs_root+0x1c/0x230
[  256.277178][ T6583]  ? kernfs_path_from_node+0x250/0x290
[  256.277196][ T6583]  ? kernfs_path_from_node+0x2f/0x290
[  256.277216][ T6583]  sysfs_create_dir_ns+0x259/0x280
[  256.277246][ T6583]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.277276][ T6583]  ? do_raw_spin_unlock+0x122/0x240
[  256.277299][ T6583]  kobject_add_internal+0x59f/0xb40
[  256.277328][ T6583]  kobject_init_and_add+0x125/0x190
[  256.277355][ T6583]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.277380][ T6583]  ? __raw_spin_lock_init+0x45/0x100
[  256.277402][ T6583]  ? __init_swait_queue_head+0xa9/0x150
[  256.277422][ T6583]  gfs2_sys_fs_add+0x234/0x450
[  256.277453][ T6583]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.277485][ T6583]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.277516][ T6583]  gfs2_fill_super+0x13c0/0x20d0
[  256.277547][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.277572][ T6583]  ? sb_set_blocksize+0x104/0x180
[  256.277614][ T6583]  ? setup_bdev_super+0x4c1/0x5b0
[  256.277640][ T6583]  get_tree_bdev_flags+0x40e/0x4d0
[  256.277665][ T6583]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.277687][ T6583]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.277719][ T6583]  gfs2_get_tree+0x51/0x1e0
[  256.277742][ T6583]  vfs_get_tree+0x92/0x2b0
[  256.277766][ T6583]  do_new_mount+0x2a2/0xa30
[  256.277794][ T6583]  ? ns_capable+0x8a/0xf0
[  256.277823][ T6583]  ? __pfx_do_new_mount+0x10/0x10
[  256.277847][ T6583]  ? path_mount+0x61c/0xfe0
[  256.277871][ T6583]  ? user_path_at+0x44/0x60
[  256.277894][ T6583]  __se_sys_mount+0x317/0x410
[  256.277924][ T6583]  ? __pfx___se_sys_mount+0x10/0x10
[  256.277953][ T6583]  ? rcu_is_watching+0x15/0xb0
[  256.277981][ T6583]  ? __x64_sys_mount+0x20/0xc0
[  256.278008][ T6583]  do_syscall_64+0xfa/0xfa0
[  256.278032][ T6583]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.278053][ T6583]  ? clear_bhb_loop+0x60/0xb0
[  256.278075][ T6583]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.278096][ T6583] RIP: 0033:0x7f654e79038a
[  256.278113][ T6583] 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
[  256.278133][ T6583] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.278156][ T6583] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  256.278172][ T6583] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  256.278187][ T6583] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  256.278202][ T6583] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  256.278216][ T6583] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  256.278240][ T6583]  </TASK>
[  256.578468][ T6583] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.592638][ T6583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.985572][ T6586] loop1: detected capacity change from 0 to 32768
[  256.996912][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.004757][ T6586] CPU: 1 UID: 0 PID: 6586 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  257.004784][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  257.004798][ T6586] Call Trace:
[  257.004806][ T6586]  <TASK>
[  257.004815][ T6586]  dump_stack_lvl+0x189/0x250
[  257.004845][ T6586]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.004870][ T6586]  ? __pfx__printk+0x10/0x10
[  257.004897][ T6586]  ? kernfs_root+0x1c/0x230
[  257.004918][ T6586]  ? kernfs_path_from_node+0x250/0x290
[  257.004936][ T6586]  ? kernfs_path_from_node+0x2f/0x290
[  257.004956][ T6586]  sysfs_create_dir_ns+0x259/0x280
[  257.004988][ T6586]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.005018][ T6586]  ? do_raw_spin_unlock+0x122/0x240
[  257.005042][ T6586]  kobject_add_internal+0x59f/0xb40
[  257.005074][ T6586]  kobject_init_and_add+0x125/0x190
[  257.005102][ T6586]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.005128][ T6586]  ? __raw_spin_lock_init+0x45/0x100
[  257.005149][ T6586]  ? __init_swait_queue_head+0xa9/0x150
[  257.005171][ T6586]  gfs2_sys_fs_add+0x234/0x450
[  257.005202][ T6586]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.005234][ T6586]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.005264][ T6586]  gfs2_fill_super+0x13c0/0x20d0
[  257.005295][ T6586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.005321][ T6586]  ? sb_set_blocksize+0x104/0x180
[  257.005348][ T6586]  ? setup_bdev_super+0x4c1/0x5b0
[  257.005374][ T6586]  get_tree_bdev_flags+0x40e/0x4d0
[  257.005398][ T6586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.005420][ T6586]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.005449][ T6586]  gfs2_get_tree+0x51/0x1e0
[  257.005472][ T6586]  vfs_get_tree+0x92/0x2b0
[  257.005497][ T6586]  do_new_mount+0x2a2/0xa30
[  257.005525][ T6586]  ? ns_capable+0x8a/0xf0
[  257.005566][ T6586]  ? __pfx_do_new_mount+0x10/0x10
[  257.005592][ T6586]  ? path_mount+0x61c/0xfe0
[  257.005616][ T6586]  ? user_path_at+0x44/0x60
[  257.005639][ T6586]  __se_sys_mount+0x317/0x410
[  257.005669][ T6586]  ? __pfx___se_sys_mount+0x10/0x10
[  257.005697][ T6586]  ? rcu_is_watching+0x15/0xb0
[  257.005726][ T6586]  ? __x64_sys_mount+0x20/0xc0
[  257.005753][ T6586]  do_syscall_64+0xfa/0xfa0
[  257.005778][ T6586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.005799][ T6586]  ? clear_bhb_loop+0x60/0xb0
[  257.005821][ T6586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.005841][ T6586] RIP: 0033:0x7f654e79038a
[  257.005859][ T6586] 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
[  257.005878][ T6586] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.005901][ T6586] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  257.005917][ T6586] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  257.005932][ T6586] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  257.005947][ T6586] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  257.005961][ T6586] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  257.005985][ T6586]  </TASK>
[  257.006006][ T6586] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.322272][ T6586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.716323][ T6589] loop1: detected capacity change from 0 to 32768
[  257.731808][ T6589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.739505][ T6589] CPU: 0 UID: 0 PID: 6589 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  257.739531][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  257.739545][ T6589] Call Trace:
[  257.739554][ T6589]  <TASK>
[  257.739562][ T6589]  dump_stack_lvl+0x189/0x250
[  257.739593][ T6589]  ? __pfx_dump_stack_lvl+0x10/0x10
[  257.739618][ T6589]  ? __pfx__printk+0x10/0x10
[  257.739646][ T6589]  ? kernfs_root+0x1c/0x230
[  257.739666][ T6589]  ? kernfs_path_from_node+0x250/0x290
[  257.739684][ T6589]  ? kernfs_path_from_node+0x2f/0x290
[  257.739704][ T6589]  sysfs_create_dir_ns+0x259/0x280
[  257.739735][ T6589]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.739774][ T6589]  ? do_raw_spin_unlock+0x122/0x240
[  257.739799][ T6589]  kobject_add_internal+0x59f/0xb40
[  257.739829][ T6589]  kobject_init_and_add+0x125/0x190
[  257.739857][ T6589]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.739883][ T6589]  ? __raw_spin_lock_init+0x45/0x100
[  257.739904][ T6589]  ? __init_swait_queue_head+0xa9/0x150
[  257.739925][ T6589]  gfs2_sys_fs_add+0x234/0x450
[  257.739956][ T6589]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.739988][ T6589]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.740019][ T6589]  gfs2_fill_super+0x13c0/0x20d0
[  257.740050][ T6589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.740075][ T6589]  ? sb_set_blocksize+0x104/0x180
[  257.740103][ T6589]  ? setup_bdev_super+0x4c1/0x5b0
[  257.740128][ T6589]  get_tree_bdev_flags+0x40e/0x4d0
[  257.740153][ T6589]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.740175][ T6589]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.740205][ T6589]  gfs2_get_tree+0x51/0x1e0
[  257.740229][ T6589]  vfs_get_tree+0x92/0x2b0
[  257.740253][ T6589]  do_new_mount+0x2a2/0xa30
[  257.740281][ T6589]  ? ns_capable+0x8a/0xf0
[  257.740309][ T6589]  ? __pfx_do_new_mount+0x10/0x10
[  257.740334][ T6589]  ? path_mount+0x61c/0xfe0
[  257.740358][ T6589]  ? user_path_at+0x44/0x60
[  257.740382][ T6589]  __se_sys_mount+0x317/0x410
[  257.740412][ T6589]  ? __pfx___se_sys_mount+0x10/0x10
[  257.740440][ T6589]  ? rcu_is_watching+0x15/0xb0
[  257.740469][ T6589]  ? __x64_sys_mount+0x20/0xc0
[  257.740496][ T6589]  do_syscall_64+0xfa/0xfa0
[  257.740522][ T6589]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.740542][ T6589]  ? clear_bhb_loop+0x60/0xb0
[  257.740565][ T6589]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.740586][ T6589] RIP: 0033:0x7f654e79038a
[  257.740604][ T6589] 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
[  257.740624][ T6589] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.740647][ T6589] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  257.740663][ T6589] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  257.740679][ T6589] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  257.740693][ T6589] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  257.740707][ T6589] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  257.740731][ T6589]  </TASK>
[  257.740759][ T6589] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.055478][ T6589] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 02:00:35 executed programs: 167
[  258.445834][ T6592] loop1: detected capacity change from 0 to 32768
[  258.457808][ T6592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.465488][ T6592] CPU: 0 UID: 0 PID: 6592 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  258.465516][ T6592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  258.465529][ T6592] Call Trace:
[  258.465537][ T6592]  <TASK>
[  258.465546][ T6592]  dump_stack_lvl+0x189/0x250
[  258.465577][ T6592]  ? __pfx_dump_stack_lvl+0x10/0x10
[  258.465602][ T6592]  ? __pfx__printk+0x10/0x10
[  258.465629][ T6592]  ? kernfs_root+0x1c/0x230
[  258.465650][ T6592]  ? kernfs_path_from_node+0x250/0x290
[  258.465668][ T6592]  ? kernfs_path_from_node+0x2f/0x290
[  258.465688][ T6592]  sysfs_create_dir_ns+0x259/0x280
[  258.465719][ T6592]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.465749][ T6592]  ? do_raw_spin_unlock+0x122/0x240
[  258.465784][ T6592]  kobject_add_internal+0x59f/0xb40
[  258.465815][ T6592]  kobject_init_and_add+0x125/0x190
[  258.465843][ T6592]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.465870][ T6592]  ? __raw_spin_lock_init+0x45/0x100
[  258.465891][ T6592]  ? __init_swait_queue_head+0xa9/0x150
[  258.465913][ T6592]  gfs2_sys_fs_add+0x234/0x450
[  258.465944][ T6592]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.465976][ T6592]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.466006][ T6592]  gfs2_fill_super+0x13c0/0x20d0
[  258.466036][ T6592]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.466061][ T6592]  ? sb_set_blocksize+0x104/0x180
[  258.466088][ T6592]  ? setup_bdev_super+0x4c1/0x5b0
[  258.466114][ T6592]  get_tree_bdev_flags+0x40e/0x4d0
[  258.466138][ T6592]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.466161][ T6592]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.466191][ T6592]  gfs2_get_tree+0x51/0x1e0
[  258.466214][ T6592]  vfs_get_tree+0x92/0x2b0
[  258.466239][ T6592]  do_new_mount+0x2a2/0xa30
[  258.466267][ T6592]  ? ns_capable+0x8a/0xf0
[  258.466319][ T6592]  ? __pfx_do_new_mount+0x10/0x10
[  258.466344][ T6592]  ? path_mount+0x61c/0xfe0
[  258.466368][ T6592]  ? user_path_at+0x44/0x60
[  258.466391][ T6592]  __se_sys_mount+0x317/0x410
[  258.466421][ T6592]  ? __pfx___se_sys_mount+0x10/0x10
[  258.466449][ T6592]  ? rcu_is_watching+0x15/0xb0
[  258.466478][ T6592]  ? __x64_sys_mount+0x20/0xc0
[  258.466505][ T6592]  do_syscall_64+0xfa/0xfa0
[  258.466531][ T6592]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.466551][ T6592]  ? clear_bhb_loop+0x60/0xb0
[  258.466574][ T6592]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.466594][ T6592] RIP: 0033:0x7f654e79038a
[  258.466613][ T6592] 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
[  258.466632][ T6592] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.466655][ T6592] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  258.466671][ T6592] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  258.466686][ T6592] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  258.466700][ T6592] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  258.466714][ T6592] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  258.466736][ T6592]  </TASK>
[  258.466758][ T6592] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.781071][ T6592] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.167197][ T6595] loop1: detected capacity change from 0 to 32768
[  259.179506][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.187024][ T6595] CPU: 0 UID: 0 PID: 6595 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  259.187051][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  259.187065][ T6595] Call Trace:
[  259.187073][ T6595]  <TASK>
[  259.187082][ T6595]  dump_stack_lvl+0x189/0x250
[  259.187114][ T6595]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.187139][ T6595]  ? __pfx__printk+0x10/0x10
[  259.187166][ T6595]  ? kernfs_root+0x1c/0x230
[  259.187187][ T6595]  ? kernfs_path_from_node+0x250/0x290
[  259.187205][ T6595]  ? kernfs_path_from_node+0x2f/0x290
[  259.187225][ T6595]  sysfs_create_dir_ns+0x259/0x280
[  259.187256][ T6595]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.187285][ T6595]  ? do_raw_spin_unlock+0x122/0x240
[  259.187309][ T6595]  kobject_add_internal+0x59f/0xb40
[  259.187339][ T6595]  kobject_init_and_add+0x125/0x190
[  259.187380][ T6595]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.187414][ T6595]  ? __raw_spin_lock_init+0x45/0x100
[  259.187436][ T6595]  ? __init_swait_queue_head+0xa9/0x150
[  259.187456][ T6595]  gfs2_sys_fs_add+0x234/0x450
[  259.187486][ T6595]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.187518][ T6595]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.187547][ T6595]  gfs2_fill_super+0x13c0/0x20d0
[  259.187577][ T6595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.187601][ T6595]  ? sb_set_blocksize+0x104/0x180
[  259.187628][ T6595]  ? setup_bdev_super+0x4c1/0x5b0
[  259.187653][ T6595]  get_tree_bdev_flags+0x40e/0x4d0
[  259.187676][ T6595]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.187702][ T6595]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.187728][ T6595]  gfs2_get_tree+0x51/0x1e0
[  259.187750][ T6595]  vfs_get_tree+0x92/0x2b0
[  259.187773][ T6595]  do_new_mount+0x2a2/0xa30
[  259.187800][ T6595]  ? ns_capable+0x8a/0xf0
[  259.187827][ T6595]  ? __pfx_do_new_mount+0x10/0x10
[  259.187851][ T6595]  ? path_mount+0x61c/0xfe0
[  259.187874][ T6595]  ? user_path_at+0x44/0x60
[  259.187897][ T6595]  __se_sys_mount+0x317/0x410
[  259.187925][ T6595]  ? __pfx___se_sys_mount+0x10/0x10
[  259.187953][ T6595]  ? rcu_is_watching+0x15/0xb0
[  259.187981][ T6595]  ? __x64_sys_mount+0x20/0xc0
[  259.188007][ T6595]  do_syscall_64+0xfa/0xfa0
[  259.188032][ T6595]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.188051][ T6595]  ? clear_bhb_loop+0x60/0xb0
[  259.188073][ T6595]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.188093][ T6595] RIP: 0033:0x7f654e79038a
[  259.188111][ T6595] 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
[  259.188129][ T6595] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.188151][ T6595] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  259.188166][ T6595] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  259.188181][ T6595] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  259.188195][ T6595] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  259.188209][ T6595] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  259.188231][ T6595]  </TASK>
[  259.490167][ T6595] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.504586][ T6595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.898919][ T6598] loop1: detected capacity change from 0 to 32768
[  259.914114][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.921668][ T6598] CPU: 1 UID: 0 PID: 6598 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  259.921696][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  259.921710][ T6598] Call Trace:
[  259.921718][ T6598]  <TASK>
[  259.921726][ T6598]  dump_stack_lvl+0x189/0x250
[  259.921757][ T6598]  ? __pfx_dump_stack_lvl+0x10/0x10
[  259.921782][ T6598]  ? __pfx__printk+0x10/0x10
[  259.921809][ T6598]  ? kernfs_root+0x1c/0x230
[  259.921830][ T6598]  ? kernfs_path_from_node+0x250/0x290
[  259.921848][ T6598]  ? kernfs_path_from_node+0x2f/0x290
[  259.921868][ T6598]  sysfs_create_dir_ns+0x259/0x280
[  259.921900][ T6598]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.921930][ T6598]  ? do_raw_spin_unlock+0x122/0x240
[  259.921954][ T6598]  kobject_add_internal+0x59f/0xb40
[  259.921986][ T6598]  kobject_init_and_add+0x125/0x190
[  259.922014][ T6598]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.922040][ T6598]  ? __raw_spin_lock_init+0x45/0x100
[  259.922061][ T6598]  ? __init_swait_queue_head+0xa9/0x150
[  259.922082][ T6598]  gfs2_sys_fs_add+0x234/0x450
[  259.922113][ T6598]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.922145][ T6598]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.922175][ T6598]  gfs2_fill_super+0x13c0/0x20d0
[  259.922206][ T6598]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.922231][ T6598]  ? sb_set_blocksize+0x104/0x180
[  259.922259][ T6598]  ? setup_bdev_super+0x4c1/0x5b0
[  259.922286][ T6598]  get_tree_bdev_flags+0x40e/0x4d0
[  259.922310][ T6598]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.922332][ T6598]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.922361][ T6598]  gfs2_get_tree+0x51/0x1e0
[  259.922385][ T6598]  vfs_get_tree+0x92/0x2b0
[  259.922410][ T6598]  do_new_mount+0x2a2/0xa30
[  259.922437][ T6598]  ? ns_capable+0x8a/0xf0
[  259.922466][ T6598]  ? __pfx_do_new_mount+0x10/0x10
[  259.922491][ T6598]  ? path_mount+0x61c/0xfe0
[  259.922514][ T6598]  ? user_path_at+0x44/0x60
[  259.922536][ T6598]  __se_sys_mount+0x317/0x410
[  259.922566][ T6598]  ? __pfx___se_sys_mount+0x10/0x10
[  259.922594][ T6598]  ? rcu_is_watching+0x15/0xb0
[  259.922622][ T6598]  ? __x64_sys_mount+0x20/0xc0
[  259.922659][ T6598]  do_syscall_64+0xfa/0xfa0
[  259.922686][ T6598]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.922707][ T6598]  ? clear_bhb_loop+0x60/0xb0
[  259.922730][ T6598]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.922750][ T6598] RIP: 0033:0x7f654e79038a
[  259.922769][ T6598] 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
[  259.922788][ T6598] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.922810][ T6598] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  259.922827][ T6598] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  259.922842][ T6598] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  259.922857][ T6598] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  259.922871][ T6598] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  259.922895][ T6598]  </TASK>
[  259.922917][ T6598] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.237247][ T6598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.639053][ T6601] loop1: detected capacity change from 0 to 32768
[  260.649241][ T6601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.656659][ T6601] CPU: 0 UID: 0 PID: 6601 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  260.656685][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  260.656698][ T6601] Call Trace:
[  260.656706][ T6601]  <TASK>
[  260.656714][ T6601]  dump_stack_lvl+0x189/0x250
[  260.656745][ T6601]  ? __pfx_dump_stack_lvl+0x10/0x10
[  260.656769][ T6601]  ? __pfx__printk+0x10/0x10
[  260.656794][ T6601]  ? kernfs_root+0x1c/0x230
[  260.656813][ T6601]  ? kernfs_path_from_node+0x250/0x290
[  260.656830][ T6601]  ? kernfs_path_from_node+0x2f/0x290
[  260.656848][ T6601]  sysfs_create_dir_ns+0x259/0x280
[  260.656878][ T6601]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  260.656906][ T6601]  ? do_raw_spin_unlock+0x122/0x240
[  260.656930][ T6601]  kobject_add_internal+0x59f/0xb40
[  260.656960][ T6601]  kobject_init_and_add+0x125/0x190
[  260.656988][ T6601]  ? __pfx_kobject_init_and_add+0x10/0x10
[  260.657012][ T6601]  ? __raw_spin_lock_init+0x45/0x100
[  260.657033][ T6601]  ? __init_swait_queue_head+0xa9/0x150
[  260.657053][ T6601]  gfs2_sys_fs_add+0x234/0x450
[  260.657083][ T6601]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  260.657113][ T6601]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  260.657143][ T6601]  gfs2_fill_super+0x13c0/0x20d0
[  260.657173][ T6601]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.657197][ T6601]  ? sb_set_blocksize+0x104/0x180
[  260.657223][ T6601]  ? setup_bdev_super+0x4c1/0x5b0
[  260.657247][ T6601]  get_tree_bdev_flags+0x40e/0x4d0
[  260.657271][ T6601]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.657292][ T6601]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  260.657320][ T6601]  gfs2_get_tree+0x51/0x1e0
[  260.657353][ T6601]  vfs_get_tree+0x92/0x2b0
[  260.657377][ T6601]  do_new_mount+0x2a2/0xa30
[  260.657404][ T6601]  ? ns_capable+0x8a/0xf0
[  260.657432][ T6601]  ? __pfx_do_new_mount+0x10/0x10
[  260.657456][ T6601]  ? path_mount+0x61c/0xfe0
[  260.657479][ T6601]  ? user_path_at+0x44/0x60
[  260.657519][ T6601]  __se_sys_mount+0x317/0x410
[  260.657548][ T6601]  ? __pfx___se_sys_mount+0x10/0x10
[  260.657576][ T6601]  ? rcu_is_watching+0x15/0xb0
[  260.657605][ T6601]  ? __x64_sys_mount+0x20/0xc0
[  260.657632][ T6601]  do_syscall_64+0xfa/0xfa0
[  260.657657][ T6601]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.657677][ T6601]  ? clear_bhb_loop+0x60/0xb0
[  260.657700][ T6601]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.657723][ T6601] RIP: 0033:0x7f654e79038a
[  260.657741][ T6601] 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
[  260.657759][ T6601] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.657782][ T6601] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  260.657798][ T6601] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  260.657813][ T6601] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  260.657828][ T6601] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  260.657842][ T6601] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  260.657865][ T6601]  </TASK>
[  260.957945][ T6601] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.972796][ T6601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.367106][ T6604] loop1: detected capacity change from 0 to 32768
[  261.378528][ T6604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.386708][ T6604] CPU: 1 UID: 0 PID: 6604 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  261.386736][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  261.386750][ T6604] Call Trace:
[  261.386758][ T6604]  <TASK>
[  261.386766][ T6604]  dump_stack_lvl+0x189/0x250
[  261.386798][ T6604]  ? __pfx_dump_stack_lvl+0x10/0x10
[  261.386822][ T6604]  ? __pfx__printk+0x10/0x10
[  261.386850][ T6604]  ? kernfs_root+0x1c/0x230
[  261.386870][ T6604]  ? kernfs_path_from_node+0x250/0x290
[  261.386889][ T6604]  ? kernfs_path_from_node+0x2f/0x290
[  261.386909][ T6604]  sysfs_create_dir_ns+0x259/0x280
[  261.386940][ T6604]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.386971][ T6604]  ? do_raw_spin_unlock+0x122/0x240
[  261.386995][ T6604]  kobject_add_internal+0x59f/0xb40
[  261.387026][ T6604]  kobject_init_and_add+0x125/0x190
[  261.387055][ T6604]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.387081][ T6604]  ? __raw_spin_lock_init+0x45/0x100
[  261.387103][ T6604]  ? __init_swait_queue_head+0xa9/0x150
[  261.387124][ T6604]  gfs2_sys_fs_add+0x234/0x450
[  261.387156][ T6604]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.387188][ T6604]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.387219][ T6604]  gfs2_fill_super+0x13c0/0x20d0
[  261.387249][ T6604]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.387273][ T6604]  ? sb_set_blocksize+0x104/0x180
[  261.387302][ T6604]  ? setup_bdev_super+0x4c1/0x5b0
[  261.387340][ T6604]  get_tree_bdev_flags+0x40e/0x4d0
[  261.387363][ T6604]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.387385][ T6604]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.387413][ T6604]  gfs2_get_tree+0x51/0x1e0
[  261.387435][ T6604]  vfs_get_tree+0x92/0x2b0
[  261.387459][ T6604]  do_new_mount+0x2a2/0xa30
[  261.387486][ T6604]  ? ns_capable+0x8a/0xf0
[  261.387513][ T6604]  ? __pfx_do_new_mount+0x10/0x10
[  261.387545][ T6604]  ? path_mount+0x61c/0xfe0
[  261.387568][ T6604]  ? user_path_at+0x44/0x60
[  261.387590][ T6604]  __se_sys_mount+0x317/0x410
[  261.387619][ T6604]  ? __pfx___se_sys_mount+0x10/0x10
[  261.387647][ T6604]  ? rcu_is_watching+0x15/0xb0
[  261.387675][ T6604]  ? __x64_sys_mount+0x20/0xc0
[  261.387705][ T6604]  do_syscall_64+0xfa/0xfa0
[  261.387728][ T6604]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.387747][ T6604]  ? clear_bhb_loop+0x60/0xb0
[  261.387769][ T6604]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.387788][ T6604] RIP: 0033:0x7f654e79038a
[  261.387805][ T6604] 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
[  261.387824][ T6604] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.387846][ T6604] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  261.387861][ T6604] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  261.387876][ T6604] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  261.387891][ T6604] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  261.387905][ T6604] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  261.387928][ T6604]  </TASK>
[  261.693969][ T6604] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.708923][ T6604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.101519][ T6607] loop1: detected capacity change from 0 to 32768
[  262.110718][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.118523][ T6607] CPU: 1 UID: 0 PID: 6607 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  262.118551][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  262.118565][ T6607] Call Trace:
[  262.118572][ T6607]  <TASK>
[  262.118581][ T6607]  dump_stack_lvl+0x189/0x250
[  262.118612][ T6607]  ? __pfx_dump_stack_lvl+0x10/0x10
[  262.118637][ T6607]  ? __pfx__printk+0x10/0x10
[  262.118664][ T6607]  ? kernfs_root+0x1c/0x230
[  262.118685][ T6607]  ? kernfs_path_from_node+0x250/0x290
[  262.118703][ T6607]  ? kernfs_path_from_node+0x2f/0x290
[  262.118723][ T6607]  sysfs_create_dir_ns+0x259/0x280
[  262.118754][ T6607]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.118784][ T6607]  ? do_raw_spin_unlock+0x122/0x240
[  262.118808][ T6607]  kobject_add_internal+0x59f/0xb40
[  262.118840][ T6607]  kobject_init_and_add+0x125/0x190
[  262.118868][ T6607]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.118893][ T6607]  ? __raw_spin_lock_init+0x45/0x100
[  262.118914][ T6607]  ? __init_swait_queue_head+0xa9/0x150
[  262.118936][ T6607]  gfs2_sys_fs_add+0x234/0x450
[  262.118967][ T6607]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.119011][ T6607]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.119040][ T6607]  gfs2_fill_super+0x13c0/0x20d0
[  262.119070][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.119094][ T6607]  ? sb_set_blocksize+0x104/0x180
[  262.119121][ T6607]  ? setup_bdev_super+0x4c1/0x5b0
[  262.119146][ T6607]  get_tree_bdev_flags+0x40e/0x4d0
[  262.119169][ T6607]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.119191][ T6607]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.119219][ T6607]  gfs2_get_tree+0x51/0x1e0
[  262.119241][ T6607]  vfs_get_tree+0x92/0x2b0
[  262.119265][ T6607]  do_new_mount+0x2a2/0xa30
[  262.119291][ T6607]  ? ns_capable+0x8a/0xf0
[  262.119319][ T6607]  ? __pfx_do_new_mount+0x10/0x10
[  262.119344][ T6607]  ? path_mount+0x61c/0xfe0
[  262.119366][ T6607]  ? user_path_at+0x44/0x60
[  262.119388][ T6607]  __se_sys_mount+0x317/0x410
[  262.119416][ T6607]  ? __pfx___se_sys_mount+0x10/0x10
[  262.119444][ T6607]  ? rcu_is_watching+0x15/0xb0
[  262.119481][ T6607]  ? __x64_sys_mount+0x20/0xc0
[  262.119507][ T6607]  do_syscall_64+0xfa/0xfa0
[  262.119531][ T6607]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.119570][ T6607]  ? clear_bhb_loop+0x60/0xb0
[  262.119592][ T6607]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.119613][ T6607] RIP: 0033:0x7f654e79038a
[  262.119631][ T6607] 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
[  262.119650][ T6607] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.119672][ T6607] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  262.119689][ T6607] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  262.119704][ T6607] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  262.119719][ T6607] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  262.119733][ T6607] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  262.119757][ T6607]  </TASK>
[  262.119777][ T6607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.434326][ T6607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.820539][ T6610] loop1: detected capacity change from 0 to 32768
[  262.832474][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.840079][ T6610] CPU: 0 UID: 0 PID: 6610 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  262.840106][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  262.840120][ T6610] Call Trace:
[  262.840128][ T6610]  <TASK>
[  262.840136][ T6610]  dump_stack_lvl+0x189/0x250
[  262.840169][ T6610]  ? __pfx_dump_stack_lvl+0x10/0x10
[  262.840204][ T6610]  ? __pfx__printk+0x10/0x10
[  262.840231][ T6610]  ? kernfs_root+0x1c/0x230
[  262.840252][ T6610]  ? kernfs_path_from_node+0x250/0x290
[  262.840271][ T6610]  ? kernfs_path_from_node+0x2f/0x290
[  262.840291][ T6610]  sysfs_create_dir_ns+0x259/0x280
[  262.840321][ T6610]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.840352][ T6610]  ? do_raw_spin_unlock+0x122/0x240
[  262.840375][ T6610]  kobject_add_internal+0x59f/0xb40
[  262.840405][ T6610]  kobject_init_and_add+0x125/0x190
[  262.840433][ T6610]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.840459][ T6610]  ? __raw_spin_lock_init+0x45/0x100
[  262.840481][ T6610]  ? __init_swait_queue_head+0xa9/0x150
[  262.840502][ T6610]  gfs2_sys_fs_add+0x234/0x450
[  262.840534][ T6610]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.840567][ T6610]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.840597][ T6610]  gfs2_fill_super+0x13c0/0x20d0
[  262.840627][ T6610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.840651][ T6610]  ? sb_set_blocksize+0x104/0x180
[  262.840687][ T6610]  ? setup_bdev_super+0x4c1/0x5b0
[  262.840713][ T6610]  get_tree_bdev_flags+0x40e/0x4d0
[  262.840737][ T6610]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.840760][ T6610]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.840789][ T6610]  gfs2_get_tree+0x51/0x1e0
[  262.840812][ T6610]  vfs_get_tree+0x92/0x2b0
[  262.840836][ T6610]  do_new_mount+0x2a2/0xa30
[  262.840864][ T6610]  ? ns_capable+0x8a/0xf0
[  262.840893][ T6610]  ? __pfx_do_new_mount+0x10/0x10
[  262.840918][ T6610]  ? path_mount+0x61c/0xfe0
[  262.840942][ T6610]  ? user_path_at+0x44/0x60
[  262.840965][ T6610]  __se_sys_mount+0x317/0x410
[  262.840995][ T6610]  ? __pfx___se_sys_mount+0x10/0x10
[  262.841023][ T6610]  ? rcu_is_watching+0x15/0xb0
[  262.841052][ T6610]  ? __x64_sys_mount+0x20/0xc0
[  262.841086][ T6610]  do_syscall_64+0xfa/0xfa0
[  262.841112][ T6610]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.841133][ T6610]  ? clear_bhb_loop+0x60/0xb0
[  262.841156][ T6610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.841176][ T6610] RIP: 0033:0x7f654e79038a
[  262.841205][ T6610] 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
[  262.841224][ T6610] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.841247][ T6610] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  262.841263][ T6610] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  262.841278][ T6610] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  262.841293][ T6610] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  262.841307][ T6610] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  262.841330][ T6610]  </TASK>
[  262.841352][ T6610] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.030055][ T5185] Bluetooth: hci1: command 0x0406 tx timeout
[  263.035552][ T6610] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 02:00:40 executed programs: 174
[  263.550965][ T6613] loop1: detected capacity change from 0 to 32768
[  263.563295][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.572929][ T6613] CPU: 0 UID: 0 PID: 6613 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  263.572956][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  263.572969][ T6613] Call Trace:
[  263.572978][ T6613]  <TASK>
[  263.572986][ T6613]  dump_stack_lvl+0x189/0x250
[  263.573015][ T6613]  ? __pfx_dump_stack_lvl+0x10/0x10
[  263.573039][ T6613]  ? __pfx__printk+0x10/0x10
[  263.573065][ T6613]  ? kernfs_root+0x1c/0x230
[  263.573085][ T6613]  ? kernfs_path_from_node+0x250/0x290
[  263.573102][ T6613]  ? kernfs_path_from_node+0x2f/0x290
[  263.573121][ T6613]  sysfs_create_dir_ns+0x259/0x280
[  263.573152][ T6613]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.573181][ T6613]  ? do_raw_spin_unlock+0x122/0x240
[  263.573204][ T6613]  kobject_add_internal+0x59f/0xb40
[  263.573235][ T6613]  kobject_init_and_add+0x125/0x190
[  263.573262][ T6613]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.573287][ T6613]  ? __raw_spin_lock_init+0x45/0x100
[  263.573308][ T6613]  ? __init_swait_queue_head+0xa9/0x150
[  263.573328][ T6613]  gfs2_sys_fs_add+0x234/0x450
[  263.573358][ T6613]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.573425][ T6613]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.573455][ T6613]  gfs2_fill_super+0x13c0/0x20d0
[  263.573485][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.573510][ T6613]  ? sb_set_blocksize+0x104/0x180
[  263.573537][ T6613]  ? setup_bdev_super+0x4c1/0x5b0
[  263.573562][ T6613]  get_tree_bdev_flags+0x40e/0x4d0
[  263.573585][ T6613]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.573607][ T6613]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.573636][ T6613]  gfs2_get_tree+0x51/0x1e0
[  263.573658][ T6613]  vfs_get_tree+0x92/0x2b0
[  263.573682][ T6613]  do_new_mount+0x2a2/0xa30
[  263.573709][ T6613]  ? ns_capable+0x8a/0xf0
[  263.573737][ T6613]  ? __pfx_do_new_mount+0x10/0x10
[  263.573761][ T6613]  ? path_mount+0x61c/0xfe0
[  263.573784][ T6613]  ? user_path_at+0x44/0x60
[  263.573806][ T6613]  __se_sys_mount+0x317/0x410
[  263.573835][ T6613]  ? __pfx___se_sys_mount+0x10/0x10
[  263.573862][ T6613]  ? rcu_is_watching+0x15/0xb0
[  263.573889][ T6613]  ? __x64_sys_mount+0x20/0xc0
[  263.573916][ T6613]  do_syscall_64+0xfa/0xfa0
[  263.573940][ T6613]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.573959][ T6613]  ? clear_bhb_loop+0x60/0xb0
[  263.573982][ T6613]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.574001][ T6613] RIP: 0033:0x7f654e79038a
[  263.574019][ T6613] 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
[  263.574037][ T6613] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.574060][ T6613] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  263.574075][ T6613] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  263.574090][ T6613] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  263.574104][ T6613] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  263.574118][ T6613] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  263.574141][ T6613]  </TASK>
[  263.574161][ T6613] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.889443][ T6613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.284987][ T6616] loop1: detected capacity change from 0 to 32768
[  264.303189][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.311033][ T6616] CPU: 1 UID: 0 PID: 6616 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  264.311060][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  264.311073][ T6616] Call Trace:
[  264.311082][ T6616]  <TASK>
[  264.311090][ T6616]  dump_stack_lvl+0x189/0x250
[  264.311134][ T6616]  ? __pfx_dump_stack_lvl+0x10/0x10
[  264.311160][ T6616]  ? __pfx__printk+0x10/0x10
[  264.311186][ T6616]  ? kernfs_root+0x1c/0x230
[  264.311208][ T6616]  ? kernfs_path_from_node+0x250/0x290
[  264.311225][ T6616]  ? kernfs_path_from_node+0x2f/0x290
[  264.311244][ T6616]  sysfs_create_dir_ns+0x259/0x280
[  264.311276][ T6616]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.311307][ T6616]  ? do_raw_spin_unlock+0x122/0x240
[  264.311330][ T6616]  kobject_add_internal+0x59f/0xb40
[  264.311362][ T6616]  kobject_init_and_add+0x125/0x190
[  264.311391][ T6616]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.311417][ T6616]  ? __raw_spin_lock_init+0x45/0x100
[  264.311438][ T6616]  ? __init_swait_queue_head+0xa9/0x150
[  264.311460][ T6616]  gfs2_sys_fs_add+0x234/0x450
[  264.311489][ T6616]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.311523][ T6616]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.311553][ T6616]  gfs2_fill_super+0x13c0/0x20d0
[  264.311583][ T6616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.311608][ T6616]  ? sb_set_blocksize+0x104/0x180
[  264.311637][ T6616]  ? setup_bdev_super+0x4c1/0x5b0
[  264.311662][ T6616]  get_tree_bdev_flags+0x40e/0x4d0
[  264.311686][ T6616]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.311708][ T6616]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.311737][ T6616]  gfs2_get_tree+0x51/0x1e0
[  264.311761][ T6616]  vfs_get_tree+0x92/0x2b0
[  264.311784][ T6616]  do_new_mount+0x2a2/0xa30
[  264.311812][ T6616]  ? ns_capable+0x8a/0xf0
[  264.311841][ T6616]  ? __pfx_do_new_mount+0x10/0x10
[  264.311866][ T6616]  ? path_mount+0x61c/0xfe0
[  264.311889][ T6616]  ? user_path_at+0x44/0x60
[  264.311912][ T6616]  __se_sys_mount+0x317/0x410
[  264.311942][ T6616]  ? __pfx___se_sys_mount+0x10/0x10
[  264.311971][ T6616]  ? rcu_is_watching+0x15/0xb0
[  264.311999][ T6616]  ? __x64_sys_mount+0x20/0xc0
[  264.312027][ T6616]  do_syscall_64+0xfa/0xfa0
[  264.312052][ T6616]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.312072][ T6616]  ? clear_bhb_loop+0x60/0xb0
[  264.312108][ T6616]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.312128][ T6616] RIP: 0033:0x7f654e79038a
[  264.312147][ T6616] 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
[  264.312166][ T6616] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.312188][ T6616] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  264.312205][ T6616] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  264.312220][ T6616] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  264.312235][ T6616] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  264.312249][ T6616] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  264.312273][ T6616]  </TASK>
[  264.312294][ T6616] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.627934][ T6616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.016524][ T6619] loop1: detected capacity change from 0 to 32768
[  265.028220][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.035648][ T6619] CPU: 0 UID: 0 PID: 6619 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  265.035674][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  265.035688][ T6619] Call Trace:
[  265.035697][ T6619]  <TASK>
[  265.035705][ T6619]  dump_stack_lvl+0x189/0x250
[  265.035736][ T6619]  ? __pfx_dump_stack_lvl+0x10/0x10
[  265.035760][ T6619]  ? __pfx__printk+0x10/0x10
[  265.035786][ T6619]  ? kernfs_root+0x1c/0x230
[  265.035807][ T6619]  ? kernfs_path_from_node+0x250/0x290
[  265.035823][ T6619]  ? kernfs_path_from_node+0x2f/0x290
[  265.035842][ T6619]  sysfs_create_dir_ns+0x259/0x280
[  265.035873][ T6619]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.035903][ T6619]  ? do_raw_spin_unlock+0x122/0x240
[  265.035926][ T6619]  kobject_add_internal+0x59f/0xb40
[  265.035957][ T6619]  kobject_init_and_add+0x125/0x190
[  265.035985][ T6619]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.036010][ T6619]  ? __raw_spin_lock_init+0x45/0x100
[  265.036030][ T6619]  ? __init_swait_queue_head+0xa9/0x150
[  265.036050][ T6619]  gfs2_sys_fs_add+0x234/0x450
[  265.036080][ T6619]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.036112][ T6619]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.036141][ T6619]  gfs2_fill_super+0x13c0/0x20d0
[  265.036171][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.036195][ T6619]  ? sb_set_blocksize+0x104/0x180
[  265.036222][ T6619]  ? setup_bdev_super+0x4c1/0x5b0
[  265.036246][ T6619]  get_tree_bdev_flags+0x40e/0x4d0
[  265.036269][ T6619]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.036290][ T6619]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.036318][ T6619]  gfs2_get_tree+0x51/0x1e0
[  265.036349][ T6619]  vfs_get_tree+0x92/0x2b0
[  265.036373][ T6619]  do_new_mount+0x2a2/0xa30
[  265.036399][ T6619]  ? ns_capable+0x8a/0xf0
[  265.036426][ T6619]  ? __pfx_do_new_mount+0x10/0x10
[  265.036450][ T6619]  ? path_mount+0x61c/0xfe0
[  265.036473][ T6619]  ? user_path_at+0x44/0x60
[  265.036496][ T6619]  __se_sys_mount+0x317/0x410
[  265.036524][ T6619]  ? __pfx___se_sys_mount+0x10/0x10
[  265.036551][ T6619]  ? rcu_is_watching+0x15/0xb0
[  265.036577][ T6619]  ? __x64_sys_mount+0x20/0xc0
[  265.036603][ T6619]  do_syscall_64+0xfa/0xfa0
[  265.036627][ T6619]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.036647][ T6619]  ? clear_bhb_loop+0x60/0xb0
[  265.036668][ T6619]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.036687][ T6619] RIP: 0033:0x7f654e79038a
[  265.036705][ T6619] 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
[  265.036723][ T6619] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.036746][ T6619] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  265.036762][ T6619] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  265.036777][ T6619] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  265.036791][ T6619] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  265.036804][ T6619] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  265.036827][ T6619]  </TASK>
[  265.036848][ T6619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.350950][ T6619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.739710][ T6622] loop1: detected capacity change from 0 to 32768
[  265.753875][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.761381][ T6622] CPU: 0 UID: 0 PID: 6622 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  265.761408][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  265.761421][ T6622] Call Trace:
[  265.761429][ T6622]  <TASK>
[  265.761437][ T6622]  dump_stack_lvl+0x189/0x250
[  265.761467][ T6622]  ? __pfx_dump_stack_lvl+0x10/0x10
[  265.761491][ T6622]  ? __pfx__printk+0x10/0x10
[  265.761517][ T6622]  ? kernfs_root+0x1c/0x230
[  265.761538][ T6622]  ? kernfs_path_from_node+0x250/0x290
[  265.761555][ T6622]  ? kernfs_path_from_node+0x2f/0x290
[  265.761574][ T6622]  sysfs_create_dir_ns+0x259/0x280
[  265.761604][ T6622]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  265.761634][ T6622]  ? do_raw_spin_unlock+0x122/0x240
[  265.761657][ T6622]  kobject_add_internal+0x59f/0xb40
[  265.761688][ T6622]  kobject_init_and_add+0x125/0x190
[  265.761715][ T6622]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.761741][ T6622]  ? __raw_spin_lock_init+0x45/0x100
[  265.761762][ T6622]  ? __init_swait_queue_head+0xa9/0x150
[  265.761783][ T6622]  gfs2_sys_fs_add+0x234/0x450
[  265.761812][ T6622]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.761844][ T6622]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.761874][ T6622]  gfs2_fill_super+0x13c0/0x20d0
[  265.761903][ T6622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.761927][ T6622]  ? sb_set_blocksize+0x104/0x180
[  265.761954][ T6622]  ? setup_bdev_super+0x4c1/0x5b0
[  265.761979][ T6622]  get_tree_bdev_flags+0x40e/0x4d0
[  265.762002][ T6622]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.762024][ T6622]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.762052][ T6622]  gfs2_get_tree+0x51/0x1e0
[  265.762075][ T6622]  vfs_get_tree+0x92/0x2b0
[  265.762098][ T6622]  do_new_mount+0x2a2/0xa30
[  265.762125][ T6622]  ? ns_capable+0x8a/0xf0
[  265.762171][ T6622]  ? __pfx_do_new_mount+0x10/0x10
[  265.762196][ T6622]  ? path_mount+0x61c/0xfe0
[  265.762220][ T6622]  ? user_path_at+0x44/0x60
[  265.762243][ T6622]  __se_sys_mount+0x317/0x410
[  265.762273][ T6622]  ? __pfx___se_sys_mount+0x10/0x10
[  265.762310][ T6622]  ? rcu_is_watching+0x15/0xb0
[  265.762338][ T6622]  ? __x64_sys_mount+0x20/0xc0
[  265.762366][ T6622]  do_syscall_64+0xfa/0xfa0
[  265.762391][ T6622]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.762412][ T6622]  ? clear_bhb_loop+0x60/0xb0
[  265.762434][ T6622]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.762455][ T6622] RIP: 0033:0x7f654e79038a
[  265.762473][ T6622] 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
[  265.762492][ T6622] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.762514][ T6622] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  265.762530][ T6622] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  265.762546][ T6622] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  265.762561][ T6622] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  265.762575][ T6622] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  265.762598][ T6622]  </TASK>
[  265.762619][ T6622] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.078204][ T6622] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.469316][ T6625] loop1: detected capacity change from 0 to 32768
[  266.490621][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.498281][ T6625] CPU: 0 UID: 0 PID: 6625 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  266.498308][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  266.498321][ T6625] Call Trace:
[  266.498330][ T6625]  <TASK>
[  266.498338][ T6625]  dump_stack_lvl+0x189/0x250
[  266.498367][ T6625]  ? __pfx_dump_stack_lvl+0x10/0x10
[  266.498391][ T6625]  ? __pfx__printk+0x10/0x10
[  266.498416][ T6625]  ? kernfs_root+0x1c/0x230
[  266.498436][ T6625]  ? kernfs_path_from_node+0x250/0x290
[  266.498453][ T6625]  ? kernfs_path_from_node+0x2f/0x290
[  266.498478][ T6625]  sysfs_create_dir_ns+0x259/0x280
[  266.498509][ T6625]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.498539][ T6625]  ? do_raw_spin_unlock+0x122/0x240
[  266.498562][ T6625]  kobject_add_internal+0x59f/0xb40
[  266.498594][ T6625]  kobject_init_and_add+0x125/0x190
[  266.498621][ T6625]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.498647][ T6625]  ? __raw_spin_lock_init+0x45/0x100
[  266.498667][ T6625]  ? __init_swait_queue_head+0xa9/0x150
[  266.498688][ T6625]  gfs2_sys_fs_add+0x234/0x450
[  266.498717][ T6625]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.498749][ T6625]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.498778][ T6625]  gfs2_fill_super+0x13c0/0x20d0
[  266.498806][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.498828][ T6625]  ? sb_set_blocksize+0x104/0x180
[  266.498854][ T6625]  ? setup_bdev_super+0x4c1/0x5b0
[  266.498878][ T6625]  get_tree_bdev_flags+0x40e/0x4d0
[  266.498901][ T6625]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.498922][ T6625]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.498957][ T6625]  gfs2_get_tree+0x51/0x1e0
[  266.498979][ T6625]  vfs_get_tree+0x92/0x2b0
[  266.499002][ T6625]  do_new_mount+0x2a2/0xa30
[  266.499029][ T6625]  ? ns_capable+0x8a/0xf0
[  266.499057][ T6625]  ? __pfx_do_new_mount+0x10/0x10
[  266.499080][ T6625]  ? path_mount+0x61c/0xfe0
[  266.499102][ T6625]  ? user_path_at+0x44/0x60
[  266.499124][ T6625]  __se_sys_mount+0x317/0x410
[  266.499151][ T6625]  ? __pfx___se_sys_mount+0x10/0x10
[  266.499177][ T6625]  ? rcu_is_watching+0x15/0xb0
[  266.499211][ T6625]  ? __x64_sys_mount+0x20/0xc0
[  266.499236][ T6625]  do_syscall_64+0xfa/0xfa0
[  266.499261][ T6625]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.499280][ T6625]  ? clear_bhb_loop+0x60/0xb0
[  266.499302][ T6625]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.499322][ T6625] RIP: 0033:0x7f654e79038a
[  266.499339][ T6625] 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
[  266.499357][ T6625] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.499379][ T6625] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  266.499395][ T6625] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  266.499410][ T6625] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  266.499423][ T6625] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  266.499437][ T6625] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  266.499460][ T6625]  </TASK>
[  266.499480][ T6625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.815139][ T6625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.202837][ T6628] loop1: detected capacity change from 0 to 32768
[  267.214958][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.223353][ T6628] CPU: 1 UID: 0 PID: 6628 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  267.223381][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  267.223394][ T6628] Call Trace:
[  267.223403][ T6628]  <TASK>
[  267.223411][ T6628]  dump_stack_lvl+0x189/0x250
[  267.223440][ T6628]  ? __pfx_dump_stack_lvl+0x10/0x10
[  267.223464][ T6628]  ? __pfx__printk+0x10/0x10
[  267.223489][ T6628]  ? kernfs_root+0x1c/0x230
[  267.223509][ T6628]  ? kernfs_path_from_node+0x250/0x290
[  267.223526][ T6628]  ? kernfs_path_from_node+0x2f/0x290
[  267.223545][ T6628]  sysfs_create_dir_ns+0x259/0x280
[  267.223575][ T6628]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.223605][ T6628]  ? do_raw_spin_unlock+0x122/0x240
[  267.223629][ T6628]  kobject_add_internal+0x59f/0xb40
[  267.223660][ T6628]  kobject_init_and_add+0x125/0x190
[  267.223688][ T6628]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.223713][ T6628]  ? __raw_spin_lock_init+0x45/0x100
[  267.223735][ T6628]  ? __init_swait_queue_head+0xa9/0x150
[  267.223756][ T6628]  gfs2_sys_fs_add+0x234/0x450
[  267.223785][ T6628]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.223818][ T6628]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.223848][ T6628]  gfs2_fill_super+0x13c0/0x20d0
[  267.223878][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.223904][ T6628]  ? sb_set_blocksize+0x104/0x180
[  267.223931][ T6628]  ? setup_bdev_super+0x4c1/0x5b0
[  267.223957][ T6628]  get_tree_bdev_flags+0x40e/0x4d0
[  267.223981][ T6628]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.224003][ T6628]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.224031][ T6628]  gfs2_get_tree+0x51/0x1e0
[  267.224055][ T6628]  vfs_get_tree+0x92/0x2b0
[  267.224079][ T6628]  do_new_mount+0x2a2/0xa30
[  267.224106][ T6628]  ? ns_capable+0x8a/0xf0
[  267.224135][ T6628]  ? __pfx_do_new_mount+0x10/0x10
[  267.224160][ T6628]  ? path_mount+0x61c/0xfe0
[  267.224183][ T6628]  ? user_path_at+0x44/0x60
[  267.224207][ T6628]  __se_sys_mount+0x317/0x410
[  267.224246][ T6628]  ? __pfx___se_sys_mount+0x10/0x10
[  267.224275][ T6628]  ? rcu_is_watching+0x15/0xb0
[  267.224303][ T6628]  ? __x64_sys_mount+0x20/0xc0
[  267.224331][ T6628]  do_syscall_64+0xfa/0xfa0
[  267.224356][ T6628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.224376][ T6628]  ? clear_bhb_loop+0x60/0xb0
[  267.224399][ T6628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.224419][ T6628] RIP: 0033:0x7f654e79038a
[  267.224437][ T6628] 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
[  267.224456][ T6628] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.224478][ T6628] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  267.224494][ T6628] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  267.224510][ T6628] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  267.224524][ T6628] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  267.224538][ T6628] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  267.224562][ T6628]  </TASK>
[  267.224583][ T6628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.540466][ T6628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.923714][ T6631] loop1: detected capacity change from 0 to 32768
[  267.934028][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.942128][ T6631] CPU: 1 UID: 0 PID: 6631 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  267.942155][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  267.942168][ T6631] Call Trace:
[  267.942177][ T6631]  <TASK>
[  267.942185][ T6631]  dump_stack_lvl+0x189/0x250
[  267.942216][ T6631]  ? __pfx_dump_stack_lvl+0x10/0x10
[  267.942241][ T6631]  ? __pfx__printk+0x10/0x10
[  267.942269][ T6631]  ? kernfs_root+0x1c/0x230
[  267.942290][ T6631]  ? kernfs_path_from_node+0x250/0x290
[  267.942308][ T6631]  ? kernfs_path_from_node+0x2f/0x290
[  267.942328][ T6631]  sysfs_create_dir_ns+0x259/0x280
[  267.942361][ T6631]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.942392][ T6631]  ? do_raw_spin_unlock+0x122/0x240
[  267.942417][ T6631]  kobject_add_internal+0x59f/0xb40
[  267.942449][ T6631]  kobject_init_and_add+0x125/0x190
[  267.942477][ T6631]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.942504][ T6631]  ? __raw_spin_lock_init+0x45/0x100
[  267.942526][ T6631]  ? __init_swait_queue_head+0xa9/0x150
[  267.942548][ T6631]  gfs2_sys_fs_add+0x234/0x450
[  267.942578][ T6631]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.942611][ T6631]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.942642][ T6631]  gfs2_fill_super+0x13c0/0x20d0
[  267.942673][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.942699][ T6631]  ? sb_set_blocksize+0x104/0x180
[  267.942727][ T6631]  ? setup_bdev_super+0x4c1/0x5b0
[  267.942754][ T6631]  get_tree_bdev_flags+0x40e/0x4d0
[  267.942779][ T6631]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.942803][ T6631]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.942833][ T6631]  gfs2_get_tree+0x51/0x1e0
[  267.942857][ T6631]  vfs_get_tree+0x92/0x2b0
[  267.942882][ T6631]  do_new_mount+0x2a2/0xa30
[  267.942920][ T6631]  ? ns_capable+0x8a/0xf0
[  267.942949][ T6631]  ? __pfx_do_new_mount+0x10/0x10
[  267.942980][ T6631]  ? path_mount+0x61c/0xfe0
[  267.943005][ T6631]  ? user_path_at+0x44/0x60
[  267.943029][ T6631]  __se_sys_mount+0x317/0x410
[  267.943063][ T6631]  ? __pfx___se_sys_mount+0x10/0x10
[  267.943092][ T6631]  ? rcu_is_watching+0x15/0xb0
[  267.943124][ T6631]  ? __x64_sys_mount+0x20/0xc0
[  267.943152][ T6631]  do_syscall_64+0xfa/0xfa0
[  267.943182][ T6631]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.943203][ T6631]  ? clear_bhb_loop+0x60/0xb0
[  267.943227][ T6631]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.943247][ T6631] RIP: 0033:0x7f654e79038a
[  267.943265][ T6631] 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
[  267.943285][ T6631] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.943307][ T6631] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  267.943328][ T6631] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  267.943344][ T6631] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  267.943359][ T6631] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  267.943372][ T6631] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  267.943396][ T6631]  </TASK>
[  267.944275][ T6631] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.259810][ T6631] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 02:00:45 executed programs: 181
[  268.649882][ T6634] loop1: detected capacity change from 0 to 32768
[  268.675594][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.683189][ T6634] CPU: 1 UID: 0 PID: 6634 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  268.683216][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  268.683229][ T6634] Call Trace:
[  268.683238][ T6634]  <TASK>
[  268.683246][ T6634]  dump_stack_lvl+0x189/0x250
[  268.683276][ T6634]  ? __pfx_dump_stack_lvl+0x10/0x10
[  268.683300][ T6634]  ? __pfx__printk+0x10/0x10
[  268.683326][ T6634]  ? kernfs_root+0x1c/0x230
[  268.683351][ T6634]  ? kernfs_path_from_node+0x250/0x290
[  268.683364][ T6634]  ? kernfs_path_from_node+0x2f/0x290
[  268.683378][ T6634]  sysfs_create_dir_ns+0x259/0x280
[  268.683401][ T6634]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.683423][ T6634]  ? do_raw_spin_unlock+0x122/0x240
[  268.683440][ T6634]  kobject_add_internal+0x59f/0xb40
[  268.683463][ T6634]  kobject_init_and_add+0x125/0x190
[  268.683483][ T6634]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.683502][ T6634]  ? __raw_spin_lock_init+0x45/0x100
[  268.683517][ T6634]  ? __init_swait_queue_head+0xa9/0x150
[  268.683532][ T6634]  gfs2_sys_fs_add+0x234/0x450
[  268.683553][ T6634]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.683577][ T6634]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.683599][ T6634]  gfs2_fill_super+0x13c0/0x20d0
[  268.683621][ T6634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.683638][ T6634]  ? sb_set_blocksize+0x104/0x180
[  268.683658][ T6634]  ? setup_bdev_super+0x4c1/0x5b0
[  268.683677][ T6634]  get_tree_bdev_flags+0x40e/0x4d0
[  268.683694][ T6634]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.683710][ T6634]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.683730][ T6634]  gfs2_get_tree+0x51/0x1e0
[  268.683747][ T6634]  vfs_get_tree+0x92/0x2b0
[  268.683764][ T6634]  do_new_mount+0x2a2/0xa30
[  268.683784][ T6634]  ? ns_capable+0x8a/0xf0
[  268.683804][ T6634]  ? __pfx_do_new_mount+0x10/0x10
[  268.683822][ T6634]  ? path_mount+0x61c/0xfe0
[  268.683839][ T6634]  ? user_path_at+0x44/0x60
[  268.683856][ T6634]  __se_sys_mount+0x317/0x410
[  268.683877][ T6634]  ? __pfx___se_sys_mount+0x10/0x10
[  268.683898][ T6634]  ? rcu_is_watching+0x15/0xb0
[  268.683919][ T6634]  ? __x64_sys_mount+0x20/0xc0
[  268.683939][ T6634]  do_syscall_64+0xfa/0xfa0
[  268.683957][ T6634]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.683971][ T6634]  ? clear_bhb_loop+0x60/0xb0
[  268.683987][ T6634]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.684002][ T6634] RIP: 0033:0x7f654e79038a
[  268.684016][ T6634] 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
[  268.684029][ T6634] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.684045][ T6634] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  268.684056][ T6634] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  268.684067][ T6634] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  268.684077][ T6634] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  268.684087][ T6634] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  268.684104][ T6634]  </TASK>
[  268.684119][ T6634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.999983][ T6634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.386397][ T6637] loop1: detected capacity change from 0 to 32768
[  269.397975][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.405725][ T6637] CPU: 0 UID: 0 PID: 6637 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  269.405753][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  269.405766][ T6637] Call Trace:
[  269.405784][ T6637]  <TASK>
[  269.405793][ T6637]  dump_stack_lvl+0x189/0x250
[  269.405824][ T6637]  ? __pfx_dump_stack_lvl+0x10/0x10
[  269.405850][ T6637]  ? __pfx__printk+0x10/0x10
[  269.405876][ T6637]  ? kernfs_root+0x1c/0x230
[  269.405897][ T6637]  ? kernfs_path_from_node+0x250/0x290
[  269.405915][ T6637]  ? kernfs_path_from_node+0x2f/0x290
[  269.405935][ T6637]  sysfs_create_dir_ns+0x259/0x280
[  269.405967][ T6637]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.405997][ T6637]  ? do_raw_spin_unlock+0x122/0x240
[  269.406021][ T6637]  kobject_add_internal+0x59f/0xb40
[  269.406053][ T6637]  kobject_init_and_add+0x125/0x190
[  269.406081][ T6637]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.406107][ T6637]  ? __raw_spin_lock_init+0x45/0x100
[  269.406129][ T6637]  ? __init_swait_queue_head+0xa9/0x150
[  269.406150][ T6637]  gfs2_sys_fs_add+0x234/0x450
[  269.406181][ T6637]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.406214][ T6637]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.406245][ T6637]  gfs2_fill_super+0x13c0/0x20d0
[  269.406276][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.406301][ T6637]  ? sb_set_blocksize+0x104/0x180
[  269.406329][ T6637]  ? setup_bdev_super+0x4c1/0x5b0
[  269.406355][ T6637]  get_tree_bdev_flags+0x40e/0x4d0
[  269.406380][ T6637]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.406402][ T6637]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.406431][ T6637]  gfs2_get_tree+0x51/0x1e0
[  269.406454][ T6637]  vfs_get_tree+0x92/0x2b0
[  269.406478][ T6637]  do_new_mount+0x2a2/0xa30
[  269.406506][ T6637]  ? ns_capable+0x8a/0xf0
[  269.406534][ T6637]  ? __pfx_do_new_mount+0x10/0x10
[  269.406559][ T6637]  ? path_mount+0x61c/0xfe0
[  269.406584][ T6637]  ? user_path_at+0x44/0x60
[  269.406607][ T6637]  __se_sys_mount+0x317/0x410
[  269.406637][ T6637]  ? __pfx___se_sys_mount+0x10/0x10
[  269.406665][ T6637]  ? rcu_is_watching+0x15/0xb0
[  269.406693][ T6637]  ? __x64_sys_mount+0x20/0xc0
[  269.406721][ T6637]  do_syscall_64+0xfa/0xfa0
[  269.406746][ T6637]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.406767][ T6637]  ? clear_bhb_loop+0x60/0xb0
[  269.406799][ T6637]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.406819][ T6637] RIP: 0033:0x7f654e79038a
[  269.406848][ T6637] 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
[  269.406866][ T6637] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.406888][ T6637] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  269.406904][ T6637] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  269.406918][ T6637] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  269.406933][ T6637] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  269.406947][ T6637] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  269.406970][ T6637]  </TASK>
[  269.407011][ T6637] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.722381][ T6637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.111480][ T6640] loop1: detected capacity change from 0 to 32768
[  270.133569][ T6640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.141177][ T6640] CPU: 1 UID: 0 PID: 6640 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  270.141203][ T6640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  270.141216][ T6640] Call Trace:
[  270.141224][ T6640]  <TASK>
[  270.141233][ T6640]  dump_stack_lvl+0x189/0x250
[  270.141262][ T6640]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.141287][ T6640]  ? __pfx__printk+0x10/0x10
[  270.141312][ T6640]  ? kernfs_root+0x1c/0x230
[  270.141332][ T6640]  ? kernfs_path_from_node+0x250/0x290
[  270.141349][ T6640]  ? kernfs_path_from_node+0x2f/0x290
[  270.141368][ T6640]  sysfs_create_dir_ns+0x259/0x280
[  270.141398][ T6640]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.141428][ T6640]  ? do_raw_spin_unlock+0x122/0x240
[  270.141451][ T6640]  kobject_add_internal+0x59f/0xb40
[  270.141481][ T6640]  kobject_init_and_add+0x125/0x190
[  270.141507][ T6640]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.141532][ T6640]  ? __raw_spin_lock_init+0x45/0x100
[  270.141552][ T6640]  ? __init_swait_queue_head+0xa9/0x150
[  270.141573][ T6640]  gfs2_sys_fs_add+0x234/0x450
[  270.141602][ T6640]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.141633][ T6640]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.141662][ T6640]  gfs2_fill_super+0x13c0/0x20d0
[  270.141691][ T6640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.141715][ T6640]  ? sb_set_blocksize+0x104/0x180
[  270.141742][ T6640]  ? setup_bdev_super+0x4c1/0x5b0
[  270.141766][ T6640]  get_tree_bdev_flags+0x40e/0x4d0
[  270.141789][ T6640]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.141812][ T6640]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.141839][ T6640]  gfs2_get_tree+0x51/0x1e0
[  270.141862][ T6640]  vfs_get_tree+0x92/0x2b0
[  270.141885][ T6640]  do_new_mount+0x2a2/0xa30
[  270.141917][ T6640]  ? ns_capable+0x8a/0xf0
[  270.141945][ T6640]  ? __pfx_do_new_mount+0x10/0x10
[  270.141969][ T6640]  ? path_mount+0x61c/0xfe0
[  270.141992][ T6640]  ? user_path_at+0x44/0x60
[  270.142014][ T6640]  __se_sys_mount+0x317/0x410
[  270.142061][ T6640]  ? __pfx___se_sys_mount+0x10/0x10
[  270.142087][ T6640]  ? rcu_is_watching+0x15/0xb0
[  270.142113][ T6640]  ? __x64_sys_mount+0x20/0xc0
[  270.142138][ T6640]  do_syscall_64+0xfa/0xfa0
[  270.142161][ T6640]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.142180][ T6640]  ? clear_bhb_loop+0x60/0xb0
[  270.142201][ T6640]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.142220][ T6640] RIP: 0033:0x7f654e79038a
[  270.142238][ T6640] 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
[  270.142255][ T6640] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.142276][ T6640] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  270.142291][ T6640] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  270.142305][ T6640] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  270.142319][ T6640] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  270.142331][ T6640] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  270.142353][ T6640]  </TASK>
[  270.142372][ T6640] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.459340][ T6640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.851904][ T6643] loop1: detected capacity change from 0 to 32768
[  270.867087][ T6643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.874634][ T6643] CPU: 1 UID: 0 PID: 6643 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  270.874660][ T6643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  270.874673][ T6643] Call Trace:
[  270.874691][ T6643]  <TASK>
[  270.874699][ T6643]  dump_stack_lvl+0x189/0x250
[  270.874729][ T6643]  ? __pfx_dump_stack_lvl+0x10/0x10
[  270.874753][ T6643]  ? __pfx__printk+0x10/0x10
[  270.874779][ T6643]  ? kernfs_root+0x1c/0x230
[  270.874799][ T6643]  ? kernfs_path_from_node+0x250/0x290
[  270.874815][ T6643]  ? kernfs_path_from_node+0x2f/0x290
[  270.874834][ T6643]  sysfs_create_dir_ns+0x259/0x280
[  270.874866][ T6643]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.874895][ T6643]  ? do_raw_spin_unlock+0x122/0x240
[  270.874918][ T6643]  kobject_add_internal+0x59f/0xb40
[  270.874948][ T6643]  kobject_init_and_add+0x125/0x190
[  270.874976][ T6643]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.875001][ T6643]  ? __raw_spin_lock_init+0x45/0x100
[  270.875022][ T6643]  ? __init_swait_queue_head+0xa9/0x150
[  270.875042][ T6643]  gfs2_sys_fs_add+0x234/0x450
[  270.875072][ T6643]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.875104][ T6643]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.875133][ T6643]  gfs2_fill_super+0x13c0/0x20d0
[  270.875162][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.875185][ T6643]  ? sb_set_blocksize+0x104/0x180
[  270.875212][ T6643]  ? setup_bdev_super+0x4c1/0x5b0
[  270.875237][ T6643]  get_tree_bdev_flags+0x40e/0x4d0
[  270.875260][ T6643]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.875282][ T6643]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.875311][ T6643]  gfs2_get_tree+0x51/0x1e0
[  270.875334][ T6643]  vfs_get_tree+0x92/0x2b0
[  270.875357][ T6643]  do_new_mount+0x2a2/0xa30
[  270.875384][ T6643]  ? ns_capable+0x8a/0xf0
[  270.875412][ T6643]  ? __pfx_do_new_mount+0x10/0x10
[  270.875436][ T6643]  ? path_mount+0x61c/0xfe0
[  270.875458][ T6643]  ? user_path_at+0x44/0x60
[  270.875481][ T6643]  __se_sys_mount+0x317/0x410
[  270.875509][ T6643]  ? __pfx___se_sys_mount+0x10/0x10
[  270.875537][ T6643]  ? rcu_is_watching+0x15/0xb0
[  270.875564][ T6643]  ? __x64_sys_mount+0x20/0xc0
[  270.875590][ T6643]  do_syscall_64+0xfa/0xfa0
[  270.875614][ T6643]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.875634][ T6643]  ? clear_bhb_loop+0x60/0xb0
[  270.875656][ T6643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.875676][ T6643] RIP: 0033:0x7f654e79038a
[  270.875707][ T6643] 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
[  270.875726][ T6643] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.875748][ T6643] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  270.875763][ T6643] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  270.875778][ T6643] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  270.875792][ T6643] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  270.875806][ T6643] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  270.875829][ T6643]  </TASK>
[  270.875851][ T6643] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.193855][ T6643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.617848][ T6646] loop1: detected capacity change from 0 to 32768
[  271.628525][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.636021][ T6646] CPU: 0 UID: 0 PID: 6646 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  271.636048][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  271.636061][ T6646] Call Trace:
[  271.636069][ T6646]  <TASK>
[  271.636078][ T6646]  dump_stack_lvl+0x189/0x250
[  271.636108][ T6646]  ? __pfx_dump_stack_lvl+0x10/0x10
[  271.636133][ T6646]  ? __pfx__printk+0x10/0x10
[  271.636158][ T6646]  ? kernfs_root+0x1c/0x230
[  271.636180][ T6646]  ? kernfs_path_from_node+0x250/0x290
[  271.636197][ T6646]  ? kernfs_path_from_node+0x2f/0x290
[  271.636217][ T6646]  sysfs_create_dir_ns+0x259/0x280
[  271.636248][ T6646]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.636291][ T6646]  ? do_raw_spin_unlock+0x122/0x240
[  271.636315][ T6646]  kobject_add_internal+0x59f/0xb40
[  271.636345][ T6646]  kobject_init_and_add+0x125/0x190
[  271.636372][ T6646]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.636397][ T6646]  ? __raw_spin_lock_init+0x45/0x100
[  271.636418][ T6646]  ? __init_swait_queue_head+0xa9/0x150
[  271.636439][ T6646]  gfs2_sys_fs_add+0x234/0x450
[  271.636468][ T6646]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.636501][ T6646]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.636530][ T6646]  gfs2_fill_super+0x13c0/0x20d0
[  271.636560][ T6646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.636584][ T6646]  ? sb_set_blocksize+0x104/0x180
[  271.636611][ T6646]  ? setup_bdev_super+0x4c1/0x5b0
[  271.636635][ T6646]  get_tree_bdev_flags+0x40e/0x4d0
[  271.636658][ T6646]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.636680][ T6646]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.636708][ T6646]  gfs2_get_tree+0x51/0x1e0
[  271.636732][ T6646]  vfs_get_tree+0x92/0x2b0
[  271.636773][ T6646]  do_new_mount+0x2a2/0xa30
[  271.636801][ T6646]  ? ns_capable+0x8a/0xf0
[  271.636830][ T6646]  ? __pfx_do_new_mount+0x10/0x10
[  271.636855][ T6646]  ? path_mount+0x61c/0xfe0
[  271.636879][ T6646]  ? user_path_at+0x44/0x60
[  271.636910][ T6646]  __se_sys_mount+0x317/0x410
[  271.636940][ T6646]  ? __pfx___se_sys_mount+0x10/0x10
[  271.636969][ T6646]  ? rcu_is_watching+0x15/0xb0
[  271.636997][ T6646]  ? __x64_sys_mount+0x20/0xc0
[  271.637024][ T6646]  do_syscall_64+0xfa/0xfa0
[  271.637049][ T6646]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.637070][ T6646]  ? clear_bhb_loop+0x60/0xb0
[  271.637092][ T6646]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.637113][ T6646] RIP: 0033:0x7f654e79038a
[  271.637131][ T6646] 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
[  271.637151][ T6646] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.637174][ T6646] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  271.637191][ T6646] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  271.637206][ T6646] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  271.637221][ T6646] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  271.637235][ T6646] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  271.637258][ T6646]  </TASK>
[  271.637303][ T6646] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.956371][ T6646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.342397][ T6649] loop1: detected capacity change from 0 to 32768
[  272.361258][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.369092][ T6649] CPU: 0 UID: 0 PID: 6649 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  272.369120][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  272.369134][ T6649] Call Trace:
[  272.369142][ T6649]  <TASK>
[  272.369151][ T6649]  dump_stack_lvl+0x189/0x250
[  272.369183][ T6649]  ? __pfx_dump_stack_lvl+0x10/0x10
[  272.369210][ T6649]  ? __pfx__printk+0x10/0x10
[  272.369236][ T6649]  ? kernfs_root+0x1c/0x230
[  272.369257][ T6649]  ? kernfs_path_from_node+0x250/0x290
[  272.369274][ T6649]  ? kernfs_path_from_node+0x2f/0x290
[  272.369294][ T6649]  sysfs_create_dir_ns+0x259/0x280
[  272.369325][ T6649]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.369355][ T6649]  ? do_raw_spin_unlock+0x122/0x240
[  272.369379][ T6649]  kobject_add_internal+0x59f/0xb40
[  272.369410][ T6649]  kobject_init_and_add+0x125/0x190
[  272.369438][ T6649]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.369464][ T6649]  ? __raw_spin_lock_init+0x45/0x100
[  272.369486][ T6649]  ? __init_swait_queue_head+0xa9/0x150
[  272.369508][ T6649]  gfs2_sys_fs_add+0x234/0x450
[  272.369538][ T6649]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.369571][ T6649]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.369602][ T6649]  gfs2_fill_super+0x13c0/0x20d0
[  272.369643][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.369669][ T6649]  ? sb_set_blocksize+0x104/0x180
[  272.369697][ T6649]  ? setup_bdev_super+0x4c1/0x5b0
[  272.369722][ T6649]  get_tree_bdev_flags+0x40e/0x4d0
[  272.369746][ T6649]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.369769][ T6649]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.369798][ T6649]  gfs2_get_tree+0x51/0x1e0
[  272.369821][ T6649]  vfs_get_tree+0x92/0x2b0
[  272.369845][ T6649]  do_new_mount+0x2a2/0xa30
[  272.369873][ T6649]  ? ns_capable+0x8a/0xf0
[  272.369902][ T6649]  ? __pfx_do_new_mount+0x10/0x10
[  272.369927][ T6649]  ? path_mount+0x61c/0xfe0
[  272.369951][ T6649]  ? user_path_at+0x44/0x60
[  272.369974][ T6649]  __se_sys_mount+0x317/0x410
[  272.370004][ T6649]  ? __pfx___se_sys_mount+0x10/0x10
[  272.370033][ T6649]  ? rcu_is_watching+0x15/0xb0
[  272.370061][ T6649]  ? __x64_sys_mount+0x20/0xc0
[  272.370089][ T6649]  do_syscall_64+0xfa/0xfa0
[  272.370114][ T6649]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.370134][ T6649]  ? clear_bhb_loop+0x60/0xb0
[  272.370157][ T6649]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.370177][ T6649] RIP: 0033:0x7f654e79038a
[  272.370196][ T6649] 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
[  272.370215][ T6649] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.370238][ T6649] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  272.370254][ T6649] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  272.370270][ T6649] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  272.370284][ T6649] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  272.370298][ T6649] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  272.370322][ T6649]  </TASK>
[  272.370365][ T6649] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.685771][ T6649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.078020][ T6652] loop1: detected capacity change from 0 to 32768
[  273.089688][ T6652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.097210][ T6652] CPU: 0 UID: 0 PID: 6652 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  273.097237][ T6652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  273.097250][ T6652] Call Trace:
[  273.097259][ T6652]  <TASK>
[  273.097268][ T6652]  dump_stack_lvl+0x189/0x250
[  273.097299][ T6652]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.097325][ T6652]  ? __pfx__printk+0x10/0x10
[  273.097351][ T6652]  ? kernfs_root+0x1c/0x230
[  273.097373][ T6652]  ? kernfs_path_from_node+0x250/0x290
[  273.097390][ T6652]  ? kernfs_path_from_node+0x2f/0x290
[  273.097409][ T6652]  sysfs_create_dir_ns+0x259/0x280
[  273.097441][ T6652]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.097471][ T6652]  ? do_raw_spin_unlock+0x122/0x240
[  273.097496][ T6652]  kobject_add_internal+0x59f/0xb40
[  273.097528][ T6652]  kobject_init_and_add+0x125/0x190
[  273.097556][ T6652]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.097594][ T6652]  ? __raw_spin_lock_init+0x45/0x100
[  273.097615][ T6652]  ? __init_swait_queue_head+0xa9/0x150
[  273.097637][ T6652]  gfs2_sys_fs_add+0x234/0x450
[  273.097678][ T6652]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.097714][ T6652]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.097743][ T6652]  gfs2_fill_super+0x13c0/0x20d0
[  273.097772][ T6652]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.097796][ T6652]  ? sb_set_blocksize+0x104/0x180
[  273.097824][ T6652]  ? setup_bdev_super+0x4c1/0x5b0
[  273.097849][ T6652]  get_tree_bdev_flags+0x40e/0x4d0
[  273.097873][ T6652]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.097892][ T6652]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.097915][ T6652]  gfs2_get_tree+0x51/0x1e0
[  273.097934][ T6652]  vfs_get_tree+0x92/0x2b0
[  273.097954][ T6652]  do_new_mount+0x2a2/0xa30
[  273.097976][ T6652]  ? ns_capable+0x8a/0xf0
[  273.098000][ T6652]  ? __pfx_do_new_mount+0x10/0x10
[  273.098020][ T6652]  ? path_mount+0x61c/0xfe0
[  273.098039][ T6652]  ? user_path_at+0x44/0x60
[  273.098058][ T6652]  __se_sys_mount+0x317/0x410
[  273.098082][ T6652]  ? __pfx___se_sys_mount+0x10/0x10
[  273.098105][ T6652]  ? rcu_is_watching+0x15/0xb0
[  273.098128][ T6652]  ? __x64_sys_mount+0x20/0xc0
[  273.098150][ T6652]  do_syscall_64+0xfa/0xfa0
[  273.098171][ T6652]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.098187][ T6652]  ? clear_bhb_loop+0x60/0xb0
[  273.098205][ T6652]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.098221][ T6652] RIP: 0033:0x7f654e79038a
[  273.098237][ T6652] 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
[  273.098252][ T6652] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.098271][ T6652] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  273.098284][ T6652] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  273.098296][ T6652] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  273.098308][ T6652] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  273.098319][ T6652] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  273.098338][ T6652]  </TASK>
[  273.397976][ T6652] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.412476][ T6652] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 02:00:50 executed programs: 188
[  273.785161][ T6655] loop1: detected capacity change from 0 to 32768
[  273.807025][ T6655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.814524][ T6655] CPU: 0 UID: 0 PID: 6655 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  273.814550][ T6655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  273.814564][ T6655] Call Trace:
[  273.814572][ T6655]  <TASK>
[  273.814588][ T6655]  dump_stack_lvl+0x189/0x250
[  273.814618][ T6655]  ? __pfx_dump_stack_lvl+0x10/0x10
[  273.814642][ T6655]  ? __pfx__printk+0x10/0x10
[  273.814667][ T6655]  ? kernfs_root+0x1c/0x230
[  273.814688][ T6655]  ? kernfs_path_from_node+0x250/0x290
[  273.814705][ T6655]  ? kernfs_path_from_node+0x2f/0x290
[  273.814724][ T6655]  sysfs_create_dir_ns+0x259/0x280
[  273.814755][ T6655]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.814785][ T6655]  ? do_raw_spin_unlock+0x122/0x240
[  273.814808][ T6655]  kobject_add_internal+0x59f/0xb40
[  273.814838][ T6655]  kobject_init_and_add+0x125/0x190
[  273.814865][ T6655]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.814890][ T6655]  ? __raw_spin_lock_init+0x45/0x100
[  273.814910][ T6655]  ? __init_swait_queue_head+0xa9/0x150
[  273.814931][ T6655]  gfs2_sys_fs_add+0x234/0x450
[  273.814960][ T6655]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.814992][ T6655]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.815021][ T6655]  gfs2_fill_super+0x13c0/0x20d0
[  273.815050][ T6655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.815074][ T6655]  ? sb_set_blocksize+0x104/0x180
[  273.815101][ T6655]  ? setup_bdev_super+0x4c1/0x5b0
[  273.815126][ T6655]  get_tree_bdev_flags+0x40e/0x4d0
[  273.815149][ T6655]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.815171][ T6655]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.815200][ T6655]  gfs2_get_tree+0x51/0x1e0
[  273.815222][ T6655]  vfs_get_tree+0x92/0x2b0
[  273.815246][ T6655]  do_new_mount+0x2a2/0xa30
[  273.815272][ T6655]  ? ns_capable+0x8a/0xf0
[  273.815299][ T6655]  ? __pfx_do_new_mount+0x10/0x10
[  273.815323][ T6655]  ? path_mount+0x61c/0xfe0
[  273.815346][ T6655]  ? user_path_at+0x44/0x60
[  273.815368][ T6655]  __se_sys_mount+0x317/0x410
[  273.815397][ T6655]  ? __pfx___se_sys_mount+0x10/0x10
[  273.815424][ T6655]  ? rcu_is_watching+0x15/0xb0
[  273.815451][ T6655]  ? __x64_sys_mount+0x20/0xc0
[  273.815477][ T6655]  do_syscall_64+0xfa/0xfa0
[  273.815501][ T6655]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.815521][ T6655]  ? clear_bhb_loop+0x60/0xb0
[  273.815543][ T6655]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.815562][ T6655] RIP: 0033:0x7f654e79038a
[  273.815587][ T6655] 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
[  273.815605][ T6655] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.815627][ T6655] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  273.815643][ T6655] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  273.815658][ T6655] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  273.815671][ T6655] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  273.815685][ T6655] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  273.815707][ T6655]  </TASK>
[  273.815728][ T6655] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.132356][ T6655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.519561][ T6658] loop1: detected capacity change from 0 to 32768
[  274.530278][ T6658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.537780][ T6658] CPU: 0 UID: 0 PID: 6658 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  274.537805][ T6658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  274.537817][ T6658] Call Trace:
[  274.537825][ T6658]  <TASK>
[  274.537833][ T6658]  dump_stack_lvl+0x189/0x250
[  274.537874][ T6658]  ? __pfx_dump_stack_lvl+0x10/0x10
[  274.537896][ T6658]  ? __pfx__printk+0x10/0x10
[  274.537919][ T6658]  ? kernfs_root+0x1c/0x230
[  274.537938][ T6658]  ? kernfs_path_from_node+0x250/0x290
[  274.537953][ T6658]  ? kernfs_path_from_node+0x2f/0x290
[  274.537969][ T6658]  sysfs_create_dir_ns+0x259/0x280
[  274.537996][ T6658]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.538023][ T6658]  ? do_raw_spin_unlock+0x122/0x240
[  274.538044][ T6658]  kobject_add_internal+0x59f/0xb40
[  274.538072][ T6658]  kobject_init_and_add+0x125/0x190
[  274.538096][ T6658]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.538118][ T6658]  ? __raw_spin_lock_init+0x45/0x100
[  274.538138][ T6658]  ? __init_swait_queue_head+0xa9/0x150
[  274.538157][ T6658]  gfs2_sys_fs_add+0x234/0x450
[  274.538185][ T6658]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.538215][ T6658]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.538243][ T6658]  gfs2_fill_super+0x13c0/0x20d0
[  274.538270][ T6658]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.538292][ T6658]  ? sb_set_blocksize+0x104/0x180
[  274.538318][ T6658]  ? setup_bdev_super+0x4c1/0x5b0
[  274.538340][ T6658]  get_tree_bdev_flags+0x40e/0x4d0
[  274.538362][ T6658]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.538381][ T6658]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.538408][ T6658]  gfs2_get_tree+0x51/0x1e0
[  274.538429][ T6658]  vfs_get_tree+0x92/0x2b0
[  274.538451][ T6658]  do_new_mount+0x2a2/0xa30
[  274.538484][ T6658]  ? ns_capable+0x8a/0xf0
[  274.538509][ T6658]  ? __pfx_do_new_mount+0x10/0x10
[  274.538531][ T6658]  ? path_mount+0x61c/0xfe0
[  274.538553][ T6658]  ? user_path_at+0x44/0x60
[  274.538573][ T6658]  __se_sys_mount+0x317/0x410
[  274.538600][ T6658]  ? __pfx___se_sys_mount+0x10/0x10
[  274.538626][ T6658]  ? rcu_is_watching+0x15/0xb0
[  274.538651][ T6658]  ? __x64_sys_mount+0x20/0xc0
[  274.538675][ T6658]  do_syscall_64+0xfa/0xfa0
[  274.538697][ T6658]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.538715][ T6658]  ? clear_bhb_loop+0x60/0xb0
[  274.538736][ T6658]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.538754][ T6658] RIP: 0033:0x7f654e79038a
[  274.538771][ T6658] 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
[  274.538787][ T6658] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.538808][ T6658] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  274.538822][ T6658] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  274.538835][ T6658] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  274.538848][ T6658] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  274.538861][ T6658] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  274.538882][ T6658]  </TASK>
[  274.538901][ T6658] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.853082][ T6658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.244100][ T6661] loop1: detected capacity change from 0 to 32768
[  275.258817][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.266246][ T6661] CPU: 1 UID: 0 PID: 6661 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  275.266274][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  275.266287][ T6661] Call Trace:
[  275.266296][ T6661]  <TASK>
[  275.266305][ T6661]  dump_stack_lvl+0x189/0x250
[  275.266336][ T6661]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.266361][ T6661]  ? __pfx__printk+0x10/0x10
[  275.266387][ T6661]  ? kernfs_root+0x1c/0x230
[  275.266410][ T6661]  ? kernfs_path_from_node+0x250/0x290
[  275.266427][ T6661]  ? kernfs_path_from_node+0x2f/0x290
[  275.266447][ T6661]  sysfs_create_dir_ns+0x259/0x280
[  275.266491][ T6661]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.266520][ T6661]  ? do_raw_spin_unlock+0x122/0x240
[  275.266544][ T6661]  kobject_add_internal+0x59f/0xb40
[  275.266575][ T6661]  kobject_init_and_add+0x125/0x190
[  275.266603][ T6661]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.266627][ T6661]  ? __raw_spin_lock_init+0x45/0x100
[  275.266647][ T6661]  ? __init_swait_queue_head+0xa9/0x150
[  275.266668][ T6661]  gfs2_sys_fs_add+0x234/0x450
[  275.266708][ T6661]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.266741][ T6661]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.266770][ T6661]  gfs2_fill_super+0x13c0/0x20d0
[  275.266800][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.266824][ T6661]  ? sb_set_blocksize+0x104/0x180
[  275.266851][ T6661]  ? setup_bdev_super+0x4c1/0x5b0
[  275.266877][ T6661]  get_tree_bdev_flags+0x40e/0x4d0
[  275.266900][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.266922][ T6661]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.266951][ T6661]  gfs2_get_tree+0x51/0x1e0
[  275.266974][ T6661]  vfs_get_tree+0x92/0x2b0
[  275.266998][ T6661]  do_new_mount+0x2a2/0xa30
[  275.267026][ T6661]  ? ns_capable+0x8a/0xf0
[  275.267054][ T6661]  ? __pfx_do_new_mount+0x10/0x10
[  275.267078][ T6661]  ? path_mount+0x61c/0xfe0
[  275.267101][ T6661]  ? user_path_at+0x44/0x60
[  275.267123][ T6661]  __se_sys_mount+0x317/0x410
[  275.267152][ T6661]  ? __pfx___se_sys_mount+0x10/0x10
[  275.267180][ T6661]  ? rcu_is_watching+0x15/0xb0
[  275.267207][ T6661]  ? __x64_sys_mount+0x20/0xc0
[  275.267241][ T6661]  do_syscall_64+0xfa/0xfa0
[  275.267265][ T6661]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.267285][ T6661]  ? clear_bhb_loop+0x60/0xb0
[  275.267308][ T6661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.267327][ T6661] RIP: 0033:0x7f654e79038a
[  275.267346][ T6661] 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
[  275.267364][ T6661] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.267385][ T6661] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  275.267401][ T6661] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  275.267416][ T6661] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  275.267431][ T6661] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  275.267444][ T6661] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  275.267468][ T6661]  </TASK>
[  275.267488][ T6661] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.583133][ T6661] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.963423][ T6664] loop1: detected capacity change from 0 to 32768
[  275.981934][ T6664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.989482][ T6664] CPU: 1 UID: 0 PID: 6664 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  275.989511][ T6664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  275.989524][ T6664] Call Trace:
[  275.989532][ T6664]  <TASK>
[  275.989541][ T6664]  dump_stack_lvl+0x189/0x250
[  275.989573][ T6664]  ? __pfx_dump_stack_lvl+0x10/0x10
[  275.989599][ T6664]  ? __pfx__printk+0x10/0x10
[  275.989625][ T6664]  ? kernfs_root+0x1c/0x230
[  275.989658][ T6664]  ? kernfs_path_from_node+0x250/0x290
[  275.989676][ T6664]  ? kernfs_path_from_node+0x2f/0x290
[  275.989696][ T6664]  sysfs_create_dir_ns+0x259/0x280
[  275.989729][ T6664]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.989759][ T6664]  ? do_raw_spin_unlock+0x122/0x240
[  275.989783][ T6664]  kobject_add_internal+0x59f/0xb40
[  275.989814][ T6664]  kobject_init_and_add+0x125/0x190
[  275.989840][ T6664]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.989865][ T6664]  ? __raw_spin_lock_init+0x45/0x100
[  275.989886][ T6664]  ? __init_swait_queue_head+0xa9/0x150
[  275.989907][ T6664]  gfs2_sys_fs_add+0x234/0x450
[  275.989937][ T6664]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.989970][ T6664]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.990000][ T6664]  gfs2_fill_super+0x13c0/0x20d0
[  275.990030][ T6664]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.990056][ T6664]  ? sb_set_blocksize+0x104/0x180
[  275.990083][ T6664]  ? setup_bdev_super+0x4c1/0x5b0
[  275.990109][ T6664]  get_tree_bdev_flags+0x40e/0x4d0
[  275.990133][ T6664]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.990156][ T6664]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.990186][ T6664]  gfs2_get_tree+0x51/0x1e0
[  275.990210][ T6664]  vfs_get_tree+0x92/0x2b0
[  275.990234][ T6664]  do_new_mount+0x2a2/0xa30
[  275.990262][ T6664]  ? ns_capable+0x8a/0xf0
[  275.990291][ T6664]  ? __pfx_do_new_mount+0x10/0x10
[  275.990316][ T6664]  ? path_mount+0x61c/0xfe0
[  275.990340][ T6664]  ? user_path_at+0x44/0x60
[  275.990363][ T6664]  __se_sys_mount+0x317/0x410
[  275.990393][ T6664]  ? __pfx___se_sys_mount+0x10/0x10
[  275.990422][ T6664]  ? rcu_is_watching+0x15/0xb0
[  275.990450][ T6664]  ? __x64_sys_mount+0x20/0xc0
[  275.990478][ T6664]  do_syscall_64+0xfa/0xfa0
[  275.990503][ T6664]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.990523][ T6664]  ? clear_bhb_loop+0x60/0xb0
[  275.990546][ T6664]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.990567][ T6664] RIP: 0033:0x7f654e79038a
[  275.990585][ T6664] 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
[  275.990604][ T6664] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.990627][ T6664] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  275.990649][ T6664] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  275.990665][ T6664] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  275.990679][ T6664] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  275.990693][ T6664] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  275.990717][ T6664]  </TASK>
[  275.990738][ T6664] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.241534][   T31] INFO: task kworker/0:1:10 blocked for more than 143 seconds.
[  276.241560][   T31]       Not tainted syzkaller #0
[  276.241574][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  276.241585][   T31] task:kworker/0:1     state:D stack:25128 pid:10    tgid:10    ppid:2      task_flags:0x4208060 flags:0x00004000
[  276.241647][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  276.241675][   T31] Call Trace:
[  276.241684][   T31]  <TASK>
[  276.241696][   T31]  __schedule+0x1798/0x4cc0
[  276.241724][   T31]  ? blk_mq_dispatch_queue_requests+0x552/0x800
[  276.241760][   T31]  ? lock_release+0x4b/0x3e0
[  276.241792][   T31]  ? __pfx___schedule+0x10/0x10
[  276.241813][   T31]  ? do_raw_spin_lock+0x121/0x290
[  276.260804][ T6664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.273645][   T31]  ? schedule+0x91/0x360
[  276.401088][   T31]  ? rcu_is_watching+0x15/0xb0
[  276.412835][   T31]  ? rcu_is_watching+0x15/0xb0
[  276.417666][   T31]  ? lock_release+0x4b/0x3e0
[  276.422415][   T31]  ? schedule+0x91/0x360
[  276.426696][   T31]  ? wq_worker_sleeping+0x63/0x250
[  276.432574][   T31]  schedule+0x165/0x360
[  276.437203][   T31]  io_schedule+0x80/0xd0
[  276.441539][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  276.446859][   T31]  ? lock_release+0x4b/0x3e0
[  276.451575][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  276.457416][   T31]  ? seqcount_lockdep_reader_access+0x175/0x1c0
[  276.463763][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  276.470077][   T31]  ? __get_log_header+0x297/0x620
[  276.475151][   T31]  ? __filemap_get_folio+0x79f/0xaf0
[  276.480555][   T31]  gfs2_jhead_process_page+0x16e/0x650
[  276.492298][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  276.499063][   T31]  gfs2_find_jhead+0xc9e/0xe10
[  276.503887][   T31]  gfs2_recover_func+0x646/0x1d90
[  276.509924][   T31]  ? cpuacct_charge+0x10e/0x320
[  276.514826][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  276.520597][   T31]  ? update_load_avg+0x572/0x1880
[  276.526032][   T31]  ? __switch_to+0xdc8/0x1690
[  276.531772][   T31]  ? do_raw_spin_lock+0x121/0x290
[  276.536844][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  276.542994][   T31]  ? rcu_is_watching+0x15/0xb0
[  276.548156][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  276.553920][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  276.560003][   T31]  process_scheduled_works+0xae1/0x17b0
[  276.565609][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  276.572411][   T31]  worker_thread+0x8a0/0xda0
[  276.577061][   T31]  kthread+0x711/0x8a0
[  276.581477][   T31]  ? __pfx_worker_thread+0x10/0x10
[  276.586628][   T31]  ? __pfx_kthread+0x10/0x10
[  276.591545][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  276.596777][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  276.602393][   T31]  ? __pfx_kthread+0x10/0x10
[  276.607024][   T31]  ret_from_fork+0x47c/0x820
[  276.612065][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  276.617225][   T31]  ? __switch_to_asm+0x39/0x70
[  276.622333][   T31]  ? __switch_to_asm+0x33/0x70
[  276.627320][   T31]  ? __pfx_kthread+0x10/0x10
[  276.632312][   T31]  ret_from_fork_asm+0x1a/0x30
[  276.637153][   T31]  </TASK>
[  276.640989][   T31] INFO: task syz.0.20:6073 blocked for more than 143 seconds.
[  276.649346][   T31]       Not tainted syzkaller #0
[  276.654331][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  276.666424][   T31] task:syz.0.20        state:D stack:25224 pid:6073  tgid:6073  ppid:5984   task_flags:0x400140 flags:0x00004004
[  276.679866][   T31] Call Trace:
[  276.683275][   T31]  <TASK>
[  276.686241][   T31]  __schedule+0x1798/0x4cc0
[  276.691214][   T31]  ? __pfx_preempt_schedule_notrace+0x10/0x10
[  276.697340][   T31]  ? preempt_schedule+0xae/0xc0
[  276.703265][   T31]  ? __pfx___schedule+0x10/0x10
[  276.708468][   T31]  ? schedule+0x91/0x360
[  276.712754][   T31]  ? rcu_is_watching+0x15/0xb0
[  276.717563][   T31]  ? rcu_is_watching+0x15/0xb0
[  276.723805][   T31]  ? lock_release+0x4b/0x3e0
[  276.728766][   T31]  schedule+0x165/0x360
[  276.733261][   T31]  bit_wait+0x11/0xd0
[  276.737282][   T31]  __wait_on_bit+0xb6/0x310
[  276.743751][   T31]  ? __pfx_bit_wait+0x10/0x10
[  276.748689][   T31]  ? __pfx_bit_wait+0x10/0x10
[  276.753440][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  276.759845][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  276.765864][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  276.771675][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  276.776913][   T31]  gfs2_recover_journal+0xda/0x140
[  276.783157][   T31]  init_journal+0x17cc/0x2260
[  276.788111][   T31]  ? init_inodes+0xdb/0x320
[  276.792667][   T31]  ? __pfx_init_journal+0x10/0x10
[  276.798229][   T31]  ? snprintf+0xda/0x120
[  276.802533][   T31]  ? init_inodes+0xdb/0x320
[  276.807123][   T31]  ? __pfx_snprintf+0x10/0x10
[  276.812275][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  276.817436][   T31]  init_inodes+0xdb/0x320
[  276.822152][   T31]  gfs2_fill_super+0x1923/0x20d0
[  276.827141][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.832905][   T31]  ? init_locking+0xb8/0x210
[  276.837543][   T31]  ? sb_set_blocksize+0x104/0x180
[  276.842982][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  276.848641][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  276.853797][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.860056][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.865738][   T31]  gfs2_get_tree+0x51/0x1e0
[  276.870611][   T31]  vfs_get_tree+0x92/0x2b0
[  276.875071][   T31]  do_new_mount+0x2a2/0xa30
[  276.880678][   T31]  ? ns_capable+0x8a/0xf0
[  276.885052][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  276.890422][   T31]  ? path_mount+0x61c/0xfe0
[  276.894961][   T31]  ? user_path_at+0x44/0x60
[  276.900995][   T31]  __se_sys_mount+0x317/0x410
[  276.905723][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  276.911258][   T31]  ? rcu_is_watching+0x15/0xb0
[  276.916063][   T31]  ? __x64_sys_mount+0x20/0xc0
[  276.921863][   T31]  do_syscall_64+0xfa/0xfa0
[  276.926413][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.932882][   T31]  ? clear_bhb_loop+0x60/0xb0
[  276.933428][ T6667] loop1: detected capacity change from 0 to 32768
[  276.937596][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.937622][   T31] RIP: 0033:0x7f440a59038a
[  276.955983][   T31] RSP: 002b:00007fff02625aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.965026][   T31] RAX: ffffffffffffffda RBX: 00007fff02625b30 RCX: 00007f440a59038a
[  276.973107][   T31] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fff02625af0
[  276.981382][ T6667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.989666][ T6667] CPU: 1 UID: 0 PID: 6667 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  276.989693][ T6667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  276.989708][ T6667] Call Trace:
[  276.989716][ T6667]  <TASK>
[  276.989725][ T6667]  dump_stack_lvl+0x189/0x250
[  276.989756][ T6667]  ? __pfx_dump_stack_lvl+0x10/0x10
[  276.989781][ T6667]  ? __pfx__printk+0x10/0x10
[  276.989820][ T6667]  ? kernfs_root+0x1c/0x230
[  276.989840][ T6667]  ? kernfs_path_from_node+0x250/0x290
[  276.989864][ T6667]  ? kernfs_path_from_node+0x2f/0x290
[  276.989884][ T6667]  sysfs_create_dir_ns+0x259/0x280
[  276.989933][ T6667]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.989964][ T6667]  ? do_raw_spin_unlock+0x122/0x240
[  276.989988][ T6667]  kobject_add_internal+0x59f/0xb40
[  276.990019][ T6667]  kobject_init_and_add+0x125/0x190
[  276.990047][ T6667]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.990074][ T6667]  ? __raw_spin_lock_init+0x45/0x100
[  276.990095][ T6667]  ? __init_swait_queue_head+0xa9/0x150
[  276.990117][ T6667]  gfs2_sys_fs_add+0x234/0x450
[  276.990147][ T6667]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.990180][ T6667]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.990210][ T6667]  gfs2_fill_super+0x13c0/0x20d0
[  276.990241][ T6667]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.990265][ T6667]  ? sb_set_blocksize+0x104/0x180
[  276.990294][ T6667]  ? setup_bdev_super+0x4c1/0x5b0
[  276.990327][ T6667]  get_tree_bdev_flags+0x40e/0x4d0
[  276.990351][ T6667]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.990374][ T6667]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.990403][ T6667]  gfs2_get_tree+0x51/0x1e0
[  276.990427][ T6667]  vfs_get_tree+0x92/0x2b0
[  276.990451][ T6667]  do_new_mount+0x2a2/0xa30
[  276.990480][ T6667]  ? ns_capable+0x8a/0xf0
[  276.990508][ T6667]  ? __pfx_do_new_mount+0x10/0x10
[  276.990533][ T6667]  ? path_mount+0x61c/0xfe0
[  276.990556][ T6667]  ? user_path_at+0x44/0x60
[  276.990580][ T6667]  __se_sys_mount+0x317/0x410
[  276.990609][ T6667]  ? __pfx___se_sys_mount+0x10/0x10
[  276.990638][ T6667]  ? rcu_is_watching+0x15/0xb0
[  276.990667][ T6667]  ? __x64_sys_mount+0x20/0xc0
[  276.990694][ T6667]  do_syscall_64+0xfa/0xfa0
[  276.990718][ T6667]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.990739][ T6667]  ? clear_bhb_loop+0x60/0xb0
[  276.990762][ T6667]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.990782][ T6667] RIP: 0033:0x7f654e79038a
[  276.990801][ T6667] 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
[  276.990819][ T6667] RSP: 002b:00007ffd6ce309d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.990841][ T6667] RAX: ffffffffffffffda RBX: 00007ffd6ce30a60 RCX: 00007f654e79038a
[  276.990857][ T6667] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffd6ce30a20
[  276.990872][ T6667] RBP: 000020000001f680 R08: 00007ffd6ce30a60 R09: 0000000000000084
[  276.990887][ T6667] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  276.990901][ T6667] R13: 00007ffd6ce30a20 R14: 000000000001f81f R15: 00002000000001c0
[  276.990924][ T6667]  </TASK>
[  276.991256][ T6667] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.023116][   T31] RBP: 000020000001f680 R08: 00007fff02625b30 R09: 0000000000000084
[  277.027655][ T6667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.037737][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  277.331407][   T31] R13: 00007fff02625af0 R14: 000000000001f81f R15: 00002000000001c0
[  277.339484][   T31]  </TASK>
[  277.342730][   T31] INFO: lockdep is turned off.
[  277.347527][   T31] NMI backtrace for cpu 0
[  277.347551][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  277.347574][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  277.347588][   T31] Call Trace:
[  277.347597][   T31]  <TASK>
[  277.347605][   T31]  dump_stack_lvl+0x189/0x250
[  277.347637][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.347662][   T31]  ? __pfx__printk+0x10/0x10
[  277.347700][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  277.347732][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  277.347762][   T31]  ? __pfx__printk+0x10/0x10
[  277.347791][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  277.347821][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  277.347853][   T31]  watchdog+0xf60/0xfa0
[  277.347879][   T31]  ? watchdog+0x1e2/0xfa0
[  277.347905][   T31]  kthread+0x711/0x8a0
[  277.347928][   T31]  ? __pfx_watchdog+0x10/0x10
[  277.347951][   T31]  ? __pfx_kthread+0x10/0x10
[  277.347971][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  277.347993][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.348015][   T31]  ? __pfx_kthread+0x10/0x10
[  277.348035][   T31]  ret_from_fork+0x47c/0x820
[  277.348065][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  277.348098][   T31]  ? __switch_to_asm+0x39/0x70
[  277.348124][   T31]  ? __switch_to_asm+0x33/0x70
[  277.348150][   T31]  ? __pfx_kthread+0x10/0x10
[  277.348171][   T31]  ret_from_fork_asm+0x1a/0x30
[  277.348206][   T31]  </TASK>
[  277.487920][   T31] Sending NMI from CPU 0 to CPUs 1:
[  277.493298][    C1] NMI backtrace for cpu 1
[  277.493316][    C1] CPU: 1 UID: 0 PID: 79 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT(full) 
[  277.493335][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  277.493348][    C1] Workqueue: events_unbound cfg80211_wiphy_work
[  277.493373][    C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x70
[  277.493397][    C1] Code: 24 65 48 8b 0c 25 08 10 c2 92 65 8b 15 48 81 01 11 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 3c 16 00 00 00 74 2c <8b> 91 18 16 00 00 83 fa 02 75 21 48 8b 91 20 16 00 00 48 8b 32 48
[  277.493413][    C1] RSP: 0018:ffffc9000210f600 EFLAGS: 00000246
[  277.493427][    C1] RAX: ffffffff8b0046b9 RBX: 000000000000006e RCX: ffff88801cb61e00
[  277.493441][    C1] RDX: 0000000000000000 RSI: 000000000000006e RDI: 000000000000021c
[  277.493453][    C1] RBP: 000000000000021c R08: 0000000000000000 R09: 000000000000000c
[  277.493464][    C1] R10: 000000000000000c R11: 0000000000000000 R12: 1ffff1100606861a
[  277.493475][    C1] R13: ffff888078572001 R14: 0000000000000003 R15: ffff8880303430d0
[  277.493488][    C1] FS:  0000000000000000(0000) GS:ffff888125aff000(0000) knlGS:0000000000000000
[  277.493503][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  277.493527][    C1] CR2: 0000001b30863fff CR3: 000000000e138000 CR4: 00000000003526f0
[  277.493544][    C1] Call Trace:
[  277.493551][    C1]  <TASK>
[  277.493558][    C1]  ieee80211_sta_get_rates+0x3a9/0x5d0
[  277.493589][    C1]  ieee80211_ibss_rx_queued_mgmt+0x1303/0x2ae0
[  277.493625][    C1]  ? ieee80211_ibss_rx_queued_mgmt+0xf93/0x2ae0
[  277.493650][    C1]  ? __mutex_trylock_common+0x153/0x260
[  277.493677][    C1]  ? __pfx_ieee80211_ibss_rx_queued_mgmt+0x10/0x10
[  277.493703][    C1]  ? __pfx___mutex_trylock_common+0x10/0x10
[  277.493730][    C1]  ? do_raw_spin_lock+0x121/0x290
[  277.493749][    C1]  ? rcu_is_watching+0x15/0xb0
[  277.493777][    C1]  ? rcu_is_watching+0x15/0xb0
[  277.493814][    C1]  ? skb_dequeue+0x10e/0x150
[  277.493833][    C1]  ieee80211_iface_work+0x85f/0x12d0
[  277.493854][    C1]  cfg80211_wiphy_work+0x2b8/0x470
[  277.493872][    C1]  ? process_scheduled_works+0x9ef/0x17b0
[  277.493898][    C1]  process_scheduled_works+0xae1/0x17b0
[  277.493932][    C1]  ? __pfx_process_scheduled_works+0x10/0x10
[  277.493962][    C1]  worker_thread+0x8a0/0xda0
[  277.493987][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  277.494009][    C1]  ? __kthread_parkme+0x7b/0x200
[  277.494038][    C1]  kthread+0x711/0x8a0
[  277.494056][    C1]  ? __pfx_worker_thread+0x10/0x10
[  277.494079][    C1]  ? __pfx_kthread+0x10/0x10
[  277.494096][    C1]  ? _raw_spin_unlock_irq+0x23/0x50
[  277.494113][    C1]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.494132][    C1]  ? __pfx_kthread+0x10/0x10
[  277.494149][    C1]  ret_from_fork+0x47c/0x820
[  277.494174][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  277.494200][    C1]  ? __switch_to_asm+0x39/0x70
[  277.494222][    C1]  ? __switch_to_asm+0x33/0x70
[  277.494244][    C1]  ? __pfx_kthread+0x10/0x10
[  277.494261][    C1]  ret_from_fork_asm+0x1a/0x30
[  277.494294][    C1]  </TASK>
[  277.697818][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  277.697845][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  277.697872][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  277.697905][   T31] Call Trace:
[  277.697915][   T31]  <TASK>
[  277.697926][   T31]  dump_stack_lvl+0x99/0x250
[  277.697961][   T31]  ? __asan_memcpy+0x40/0x70
[  277.697986][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  277.698015][   T31]  ? __pfx__printk+0x10/0x10
[  277.698065][   T31]  vpanic+0x281/0x750
[  277.698094][   T31]  ? __pfx_vpanic+0x10/0x10
[  277.698119][   T31]  ? preempt_schedule+0xae/0xc0
[  277.698146][   T31]  ? preempt_schedule_common+0x83/0xd0
[  277.698174][   T31]  panic+0xb9/0xc0
[  277.698199][   T31]  ? __pfx_panic+0x10/0x10
[  277.698226][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  277.698251][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  277.698296][   T31]  watchdog+0xf9f/0xfa0
[  277.698326][   T31]  ? watchdog+0x1e2/0xfa0
[  277.698356][   T31]  kthread+0x711/0x8a0
[  277.698382][   T31]  ? __pfx_watchdog+0x10/0x10
[  277.698409][   T31]  ? __pfx_kthread+0x10/0x10
[  277.698432][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  277.698457][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  277.698483][   T31]  ? __pfx_kthread+0x10/0x10
[  277.698507][   T31]  ret_from_fork+0x47c/0x820
[  277.698542][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  277.698578][   T31]  ? __switch_to_asm+0x39/0x70
[  277.698607][   T31]  ? __switch_to_asm+0x33/0x70
[  277.698636][   T31]  ? __pfx_kthread+0x10/0x10
[  277.698660][   T31]  ret_from_fork_asm+0x1a/0x30
[  277.698700][   T31]  </TASK>
[  277.945834][   T31] Kernel Offset: disabled
[  277.950166][   T31] Rebooting in 86400 seconds..