[  214.549587][ T6557]  ? __raw_spin_lock_init+0x45/0x100
[  214.549607][ T6557]  ? __init_swait_queue_head+0xa9/0x150
[  214.549628][ T6557]  gfs2_sys_fs_add+0x234/0x450
[  214.549655][ T6557]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.549683][ T6557]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.549711][ T6557]  gfs2_fill_super+0x13c0/0x20d0
[  214.549738][ T6557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.549760][ T6557]  ? sb_set_blocksize+0x104/0x180
[  214.549785][ T6557]  ? setup_bdev_super+0x4c1/0x5b0
[  214.549807][ T6557]  get_tree_bdev_flags+0x40e/0x4d0
[  214.549828][ T6557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.549848][ T6557]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.549873][ T6557]  gfs2_get_tree+0x51/0x1e0
[  214.549894][ T6557]  vfs_get_tree+0x92/0x2b0
[  214.549916][ T6557]  do_new_mount+0x2a2/0xa30
[  214.549941][ T6557]  ? ns_capable+0x8a/0xf0
[  214.550000][ T6557]  ? __pfx_do_new_mount+0x10/0x10
[  214.550022][ T6557]  ? path_mount+0x61c/0xfe0
[  214.550043][ T6557]  ? user_path_at+0x44/0x60
[  214.550062][ T6557]  __se_sys_mount+0x317/0x410
[  214.550089][ T6557]  ? __pfx___se_sys_mount+0x10/0x10
[  214.550114][ T6557]  ? rcu_is_watching+0x15/0xb0
[  214.550140][ T6557]  ? __x64_sys_mount+0x20/0xc0
[  214.550165][ T6557]  do_syscall_64+0xfa/0xfa0
[  214.550188][ T6557]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.550207][ T6557]  ? clear_bhb_loop+0x60/0xb0
[  214.550226][ T6557]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.550243][ T6557] RIP: 0033:0x7f0c1a99038a
[  214.550262][ T6557] 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
[  214.550280][ T6557] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.550303][ T6557] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  214.550318][ T6557] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  214.550344][ T6557] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  214.550357][ T6557] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  214.550370][ T6557] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  214.550390][ T6557]  </TASK>
[  214.550414][ T6557] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.883483][ T6557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.229259][ T6560] loop1: detected capacity change from 0 to 32768
[  215.245001][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.252669][ T6560] CPU: 0 UID: 0 PID: 6560 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) 
[  215.252698][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.252710][ T6560] Call Trace:
[  215.252719][ T6560]  <TASK>
[  215.252727][ T6560]  dump_stack_lvl+0x189/0x250
[  215.252761][ T6560]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.252782][ T6560]  ? __pfx__printk+0x10/0x10
[  215.252805][ T6560]  ? kernfs_root+0x1c/0x230
[  215.252825][ T6560]  ? kernfs_path_from_node+0x250/0x290
[  215.252842][ T6560]  ? kernfs_path_from_node+0x2f/0x290
[  215.252859][ T6560]  sysfs_create_dir_ns+0x259/0x280
[  215.252888][ T6560]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.252914][ T6560]  ? do_raw_spin_unlock+0x122/0x240
[  215.252937][ T6560]  kobject_add_internal+0x59f/0xb40
[  215.252964][ T6560]  kobject_init_and_add+0x125/0x190
[  215.252988][ T6560]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.253011][ T6560]  ? __raw_spin_lock_init+0x45/0x100
[  215.253029][ T6560]  ? __init_swait_queue_head+0xa9/0x150
[  215.253048][ T6560]  gfs2_sys_fs_add+0x234/0x450
[  215.253077][ T6560]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.253105][ T6560]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.253132][ T6560]  gfs2_fill_super+0x13c0/0x20d0
[  215.253159][ T6560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.253181][ T6560]  ? sb_set_blocksize+0x104/0x180
[  215.253218][ T6560]  ? setup_bdev_super+0x4c1/0x5b0
[  215.253242][ T6560]  get_tree_bdev_flags+0x40e/0x4d0
[  215.253265][ T6560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.253286][ T6560]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.253312][ T6560]  gfs2_get_tree+0x51/0x1e0
[  215.253334][ T6560]  vfs_get_tree+0x92/0x2b0
[  215.253356][ T6560]  do_new_mount+0x2a2/0xa30
[  215.253381][ T6560]  ? ns_capable+0x8a/0xf0
[  215.253406][ T6560]  ? __pfx_do_new_mount+0x10/0x10
[  215.253428][ T6560]  ? path_mount+0x61c/0xfe0
[  215.253448][ T6560]  ? user_path_at+0x44/0x60
[  215.253468][ T6560]  __se_sys_mount+0x317/0x410
[  215.253494][ T6560]  ? __pfx___se_sys_mount+0x10/0x10
[  215.253519][ T6560]  ? rcu_is_watching+0x15/0xb0
[  215.253545][ T6560]  ? __x64_sys_mount+0x20/0xc0
[  215.253567][ T6560]  do_syscall_64+0xfa/0xfa0
[  215.253591][ T6560]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.253611][ T6560]  ? clear_bhb_loop+0x60/0xb0
[  215.253631][ T6560]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.253648][ T6560] RIP: 0033:0x7f0c1a99038a
[  215.253668][ T6560] 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
[  215.253685][ T6560] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.253709][ T6560] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  215.253722][ T6560] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  215.253736][ T6560] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  215.253749][ T6560] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.253762][ T6560] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  215.253783][ T6560]  </TASK>
[  215.253836][ T6560] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.582215][ T6560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.936184][ T6563] loop1: detected capacity change from 0 to 32768
[  215.948604][ T6563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.957407][ T6563] CPU: 1 UID: 0 PID: 6563 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) 
[  215.957437][ T6563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.957450][ T6563] Call Trace:
[  215.957458][ T6563]  <TASK>
[  215.957466][ T6563]  dump_stack_lvl+0x189/0x250
[  215.957499][ T6563]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.957520][ T6563]  ? __pfx__printk+0x10/0x10
[  215.957543][ T6563]  ? kernfs_root+0x1c/0x230
[  215.957562][ T6563]  ? kernfs_path_from_node+0x250/0x290
[  215.957578][ T6563]  ? kernfs_path_from_node+0x2f/0x290
[  215.957595][ T6563]  sysfs_create_dir_ns+0x259/0x280
[  215.957624][ T6563]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.957651][ T6563]  ? do_raw_spin_unlock+0x122/0x240
[  215.957672][ T6563]  kobject_add_internal+0x59f/0xb40
[  215.957699][ T6563]  kobject_init_and_add+0x125/0x190
[  215.957724][ T6563]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.957747][ T6563]  ? __raw_spin_lock_init+0x45/0x100
[  215.957766][ T6563]  ? __init_swait_queue_head+0xa9/0x150
[  215.957786][ T6563]  gfs2_sys_fs_add+0x234/0x450
[  215.957814][ T6563]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.957841][ T6563]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.957867][ T6563]  gfs2_fill_super+0x13c0/0x20d0
[  215.957894][ T6563]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.957914][ T6563]  ? sb_set_blocksize+0x104/0x180
[  215.957953][ T6563]  ? setup_bdev_super+0x4c1/0x5b0
[  215.957977][ T6563]  get_tree_bdev_flags+0x40e/0x4d0
[  215.957999][ T6563]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.958020][ T6563]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.958044][ T6563]  gfs2_get_tree+0x51/0x1e0
[  215.958065][ T6563]  vfs_get_tree+0x92/0x2b0
[  215.958086][ T6563]  do_new_mount+0x2a2/0xa30
[  215.958111][ T6563]  ? ns_capable+0x8a/0xf0
[  215.958135][ T6563]  ? __pfx_do_new_mount+0x10/0x10
[  215.958158][ T6563]  ? path_mount+0x61c/0xfe0
[  215.958179][ T6563]  ? user_path_at+0x44/0x60
[  215.958198][ T6563]  __se_sys_mount+0x317/0x410
[  215.958223][ T6563]  ? __pfx___se_sys_mount+0x10/0x10
[  215.958244][ T6563]  ? rcu_is_watching+0x15/0xb0
[  215.958269][ T6563]  ? __x64_sys_mount+0x20/0xc0
[  215.958293][ T6563]  do_syscall_64+0xfa/0xfa0
[  215.958316][ T6563]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.958334][ T6563]  ? clear_bhb_loop+0x60/0xb0
[  215.958354][ T6563]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.958372][ T6563] RIP: 0033:0x7f0c1a99038a
[  215.958391][ T6563] 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
[  215.958409][ T6563] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.958432][ T6563] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  215.958446][ T6563] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  215.958460][ T6563] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  215.958472][ T6563] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.958485][ T6563] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  215.958505][ T6563]  </TASK>
[  215.958529][ T6563] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.286533][ T6563] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:49:11 executed programs: 163
[  216.640155][ T6566] loop1: detected capacity change from 0 to 32768
[  216.654244][ T6566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.662887][ T6566] CPU: 1 UID: 0 PID: 6566 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) 
[  216.662913][ T6566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.662925][ T6566] Call Trace:
[  216.662933][ T6566]  <TASK>
[  216.662941][ T6566]  dump_stack_lvl+0x189/0x250
[  216.662973][ T6566]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.662994][ T6566]  ? __pfx__printk+0x10/0x10
[  216.663016][ T6566]  ? kernfs_root+0x1c/0x230
[  216.663036][ T6566]  ? kernfs_path_from_node+0x250/0x290
[  216.663053][ T6566]  ? kernfs_path_from_node+0x2f/0x290
[  216.663070][ T6566]  sysfs_create_dir_ns+0x259/0x280
[  216.663096][ T6566]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.663123][ T6566]  ? do_raw_spin_unlock+0x122/0x240
[  216.663145][ T6566]  kobject_add_internal+0x59f/0xb40
[  216.663186][ T6566]  kobject_init_and_add+0x125/0x190
[  216.663211][ T6566]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.663233][ T6566]  ? __raw_spin_lock_init+0x45/0x100
[  216.663252][ T6566]  ? __init_swait_queue_head+0xa9/0x150
[  216.663271][ T6566]  gfs2_sys_fs_add+0x234/0x450
[  216.663297][ T6566]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.663325][ T6566]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.663352][ T6566]  gfs2_fill_super+0x13c0/0x20d0
[  216.663379][ T6566]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.663401][ T6566]  ? sb_set_blocksize+0x104/0x180
[  216.663426][ T6566]  ? setup_bdev_super+0x4c1/0x5b0
[  216.663449][ T6566]  get_tree_bdev_flags+0x40e/0x4d0
[  216.663472][ T6566]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.663492][ T6566]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.663515][ T6566]  gfs2_get_tree+0x51/0x1e0
[  216.663537][ T6566]  vfs_get_tree+0x92/0x2b0
[  216.663558][ T6566]  do_new_mount+0x2a2/0xa30
[  216.663583][ T6566]  ? ns_capable+0x8a/0xf0
[  216.663609][ T6566]  ? __pfx_do_new_mount+0x10/0x10
[  216.663631][ T6566]  ? path_mount+0x61c/0xfe0
[  216.663651][ T6566]  ? user_path_at+0x44/0x60
[  216.663672][ T6566]  __se_sys_mount+0x317/0x410
[  216.663697][ T6566]  ? __pfx___se_sys_mount+0x10/0x10
[  216.663722][ T6566]  ? rcu_is_watching+0x15/0xb0
[  216.663748][ T6566]  ? __x64_sys_mount+0x20/0xc0
[  216.663771][ T6566]  do_syscall_64+0xfa/0xfa0
[  216.663793][ T6566]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.663812][ T6566]  ? clear_bhb_loop+0x60/0xb0
[  216.663833][ T6566]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.663851][ T6566] RIP: 0033:0x7f0c1a99038a
[  216.663871][ T6566] 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
[  216.663889][ T6566] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.663912][ T6566] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  216.663925][ T6566] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  216.663938][ T6566] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  216.663950][ T6566] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  216.663963][ T6566] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  216.663984][ T6566]  </TASK>
[  216.664007][ T6566] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.994538][ T6566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.343253][ T6569] loop1: detected capacity change from 0 to 32768
[  217.352951][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.373006][ T6569] CPU: 1 UID: 0 PID: 6569 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) 
[  217.373040][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.373053][ T6569] Call Trace:
[  217.373061][ T6569]  <TASK>
[  217.373070][ T6569]  dump_stack_lvl+0x189/0x250
[  217.373102][ T6569]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.373124][ T6569]  ? __pfx__printk+0x10/0x10
[  217.373148][ T6569]  ? kernfs_root+0x1c/0x230
[  217.373167][ T6569]  ? kernfs_path_from_node+0x250/0x290
[  217.373183][ T6569]  ? kernfs_path_from_node+0x2f/0x290
[  217.373200][ T6569]  sysfs_create_dir_ns+0x259/0x280
[  217.373228][ T6569]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.373255][ T6569]  ? do_raw_spin_unlock+0x122/0x240
[  217.373277][ T6569]  kobject_add_internal+0x59f/0xb40
[  217.373305][ T6569]  kobject_init_and_add+0x125/0x190
[  217.373330][ T6569]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.373353][ T6569]  ? __raw_spin_lock_init+0x45/0x100
[  217.373373][ T6569]  ? __init_swait_queue_head+0xa9/0x150
[  217.373391][ T6569]  gfs2_sys_fs_add+0x234/0x450
[  217.373420][ T6569]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.373448][ T6569]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.373475][ T6569]  gfs2_fill_super+0x13c0/0x20d0
[  217.373503][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.373524][ T6569]  ? sb_set_blocksize+0x104/0x180
[  217.373550][ T6569]  ? setup_bdev_super+0x4c1/0x5b0
[  217.373573][ T6569]  get_tree_bdev_flags+0x40e/0x4d0
[  217.373595][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.373615][ T6569]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.373640][ T6569]  gfs2_get_tree+0x51/0x1e0
[  217.373661][ T6569]  vfs_get_tree+0x92/0x2b0
[  217.373684][ T6569]  do_new_mount+0x2a2/0xa30
[  217.373709][ T6569]  ? ns_capable+0x8a/0xf0
[  217.373734][ T6569]  ? __pfx_do_new_mount+0x10/0x10
[  217.373755][ T6569]  ? path_mount+0x61c/0xfe0
[  217.373776][ T6569]  ? user_path_at+0x44/0x60
[  217.373796][ T6569]  __se_sys_mount+0x317/0x410
[  217.373821][ T6569]  ? __pfx___se_sys_mount+0x10/0x10
[  217.373845][ T6569]  ? rcu_is_watching+0x15/0xb0
[  217.373871][ T6569]  ? __x64_sys_mount+0x20/0xc0
[  217.373895][ T6569]  do_syscall_64+0xfa/0xfa0
[  217.373919][ T6569]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.373952][ T6569]  ? clear_bhb_loop+0x60/0xb0
[  217.373972][ T6569]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.373990][ T6569] RIP: 0033:0x7f0c1a99038a
[  217.374009][ T6569] 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
[  217.374026][ T6569] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.374050][ T6569] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  217.374064][ T6569] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  217.374077][ T6569] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  217.374091][ T6569] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.374104][ T6569] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  217.374123][ T6569]  </TASK>
[  217.374148][ T6569] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.703054][ T6569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.047745][ T6572] loop1: detected capacity change from 0 to 32768
[  218.075312][ T6572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.083243][ T6572] CPU: 1 UID: 0 PID: 6572 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) 
[  218.083271][ T6572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.083283][ T6572] Call Trace:
[  218.083291][ T6572]  <TASK>
[  218.083299][ T6572]  dump_stack_lvl+0x189/0x250
[  218.083330][ T6572]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.083352][ T6572]  ? __pfx__printk+0x10/0x10
[  218.083376][ T6572]  ? kernfs_root+0x1c/0x230
[  218.083396][ T6572]  ? kernfs_path_from_node+0x250/0x290
[  218.083412][ T6572]  ? kernfs_path_from_node+0x2f/0x290
[  218.083430][ T6572]  sysfs_create_dir_ns+0x259/0x280
[  218.083458][ T6572]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.083486][ T6572]  ? do_raw_spin_unlock+0x122/0x240
[  218.083508][ T6572]  kobject_add_internal+0x59f/0xb40
[  218.083538][ T6572]  kobject_init_and_add+0x125/0x190
[  218.083563][ T6572]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.083585][ T6572]  ? __raw_spin_lock_init+0x45/0x100
[  218.083605][ T6572]  ? __init_swait_queue_head+0xa9/0x150
[  218.083625][ T6572]  gfs2_sys_fs_add+0x234/0x450
[  218.083653][ T6572]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.083682][ T6572]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.083709][ T6572]  gfs2_fill_super+0x13c0/0x20d0
[  218.083734][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.083754][ T6572]  ? sb_set_blocksize+0x104/0x180
[  218.083779][ T6572]  ? setup_bdev_super+0x4c1/0x5b0
[  218.083803][ T6572]  get_tree_bdev_flags+0x40e/0x4d0
[  218.083826][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.083847][ T6572]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.083871][ T6572]  gfs2_get_tree+0x51/0x1e0
[  218.083892][ T6572]  vfs_get_tree+0x92/0x2b0
[  218.083913][ T6572]  do_new_mount+0x2a2/0xa30
[  218.083953][ T6572]  ? ns_capable+0x8a/0xf0
[  218.083979][ T6572]  ? __pfx_do_new_mount+0x10/0x10
[  218.084001][ T6572]  ? path_mount+0x61c/0xfe0
[  218.084021][ T6572]  ? user_path_at+0x44/0x60
[  218.084042][ T6572]  __se_sys_mount+0x317/0x410
[  218.084068][ T6572]  ? __pfx___se_sys_mount+0x10/0x10
[  218.084093][ T6572]  ? rcu_is_watching+0x15/0xb0
[  218.084119][ T6572]  ? __x64_sys_mount+0x20/0xc0
[  218.084143][ T6572]  do_syscall_64+0xfa/0xfa0
[  218.084165][ T6572]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.084184][ T6572]  ? clear_bhb_loop+0x60/0xb0
[  218.084203][ T6572]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.084222][ T6572] RIP: 0033:0x7f0c1a99038a
[  218.084240][ T6572] 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
[  218.084258][ T6572] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.084282][ T6572] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  218.084297][ T6572] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  218.084311][ T6572] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  218.084323][ T6572] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  218.084334][ T6572] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  218.084352][ T6572]  </TASK>
[  218.084375][ T6572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.414130][ T6572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.810754][ T6575] loop1: detected capacity change from 0 to 32768
[  218.819990][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.828231][ T6575] CPU: 0 UID: 0 PID: 6575 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) 
[  218.828257][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.828269][ T6575] Call Trace:
[  218.828276][ T6575]  <TASK>
[  218.828284][ T6575]  dump_stack_lvl+0x189/0x250
[  218.828314][ T6575]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.828335][ T6575]  ? __pfx__printk+0x10/0x10
[  218.828358][ T6575]  ? kernfs_root+0x1c/0x230
[  218.828376][ T6575]  ? kernfs_path_from_node+0x250/0x290
[  218.828391][ T6575]  ? kernfs_path_from_node+0x2f/0x290
[  218.828408][ T6575]  sysfs_create_dir_ns+0x259/0x280
[  218.828435][ T6575]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.828461][ T6575]  ? do_raw_spin_unlock+0x122/0x240
[  218.828484][ T6575]  kobject_add_internal+0x59f/0xb40
[  218.828512][ T6575]  kobject_init_and_add+0x125/0x190
[  218.828536][ T6575]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.828558][ T6575]  ? __raw_spin_lock_init+0x45/0x100
[  218.828575][ T6575]  ? __init_swait_queue_head+0xa9/0x150
[  218.828595][ T6575]  gfs2_sys_fs_add+0x234/0x450
[  218.828622][ T6575]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.828649][ T6575]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.828674][ T6575]  gfs2_fill_super+0x13c0/0x20d0
[  218.828698][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.828720][ T6575]  ? sb_set_blocksize+0x104/0x180
[  218.828745][ T6575]  ? setup_bdev_super+0x4c1/0x5b0
[  218.828766][ T6575]  get_tree_bdev_flags+0x40e/0x4d0
[  218.828785][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.828805][ T6575]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.828832][ T6575]  gfs2_get_tree+0x51/0x1e0
[  218.828851][ T6575]  vfs_get_tree+0x92/0x2b0
[  218.828872][ T6575]  do_new_mount+0x2a2/0xa30
[  218.828896][ T6575]  ? ns_capable+0x8a/0xf0
[  218.828921][ T6575]  ? __pfx_do_new_mount+0x10/0x10
[  218.828943][ T6575]  ? path_mount+0x61c/0xfe0
[  218.828963][ T6575]  ? user_path_at+0x44/0x60
[  218.828982][ T6575]  __se_sys_mount+0x317/0x410
[  218.829007][ T6575]  ? __pfx___se_sys_mount+0x10/0x10
[  218.829030][ T6575]  ? rcu_is_watching+0x15/0xb0
[  218.829055][ T6575]  ? __x64_sys_mount+0x20/0xc0
[  218.829079][ T6575]  do_syscall_64+0xfa/0xfa0
[  218.829101][ T6575]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.829132][ T6575]  ? clear_bhb_loop+0x60/0xb0
[  218.829153][ T6575]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.829171][ T6575] RIP: 0033:0x7f0c1a99038a
[  218.829189][ T6575] 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
[  218.829207][ T6575] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.829231][ T6575] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  218.829244][ T6575] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  218.829258][ T6575] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  218.829270][ T6575] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  218.829282][ T6575] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  218.829302][ T6575]  </TASK>
[  218.829324][ T6575] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.161843][ T6575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.510944][ T6578] loop1: detected capacity change from 0 to 32768
[  219.522140][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.530131][ T6578] CPU: 0 UID: 0 PID: 6578 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) 
[  219.530159][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.530172][ T6578] Call Trace:
[  219.530180][ T6578]  <TASK>
[  219.530189][ T6578]  dump_stack_lvl+0x189/0x250
[  219.530220][ T6578]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.530242][ T6578]  ? __pfx__printk+0x10/0x10
[  219.530264][ T6578]  ? kernfs_root+0x1c/0x230
[  219.530282][ T6578]  ? kernfs_path_from_node+0x250/0x290
[  219.530298][ T6578]  ? kernfs_path_from_node+0x2f/0x290
[  219.530316][ T6578]  sysfs_create_dir_ns+0x259/0x280
[  219.530343][ T6578]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.530381][ T6578]  ? do_raw_spin_unlock+0x122/0x240
[  219.530403][ T6578]  kobject_add_internal+0x59f/0xb40
[  219.530433][ T6578]  kobject_init_and_add+0x125/0x190
[  219.530458][ T6578]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.530480][ T6578]  ? __raw_spin_lock_init+0x45/0x100
[  219.530498][ T6578]  ? __init_swait_queue_head+0xa9/0x150
[  219.530517][ T6578]  gfs2_sys_fs_add+0x234/0x450
[  219.530545][ T6578]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.530572][ T6578]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.530599][ T6578]  gfs2_fill_super+0x13c0/0x20d0
[  219.530624][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.530646][ T6578]  ? sb_set_blocksize+0x104/0x180
[  219.530672][ T6578]  ? setup_bdev_super+0x4c1/0x5b0
[  219.530696][ T6578]  get_tree_bdev_flags+0x40e/0x4d0
[  219.530718][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.530737][ T6578]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.530763][ T6578]  gfs2_get_tree+0x51/0x1e0
[  219.530785][ T6578]  vfs_get_tree+0x92/0x2b0
[  219.530806][ T6578]  do_new_mount+0x2a2/0xa30
[  219.530830][ T6578]  ? ns_capable+0x8a/0xf0
[  219.530855][ T6578]  ? __pfx_do_new_mount+0x10/0x10
[  219.530877][ T6578]  ? path_mount+0x61c/0xfe0
[  219.530912][ T6578]  ? user_path_at+0x44/0x60
[  219.530933][ T6578]  __se_sys_mount+0x317/0x410
[  219.530959][ T6578]  ? __pfx___se_sys_mount+0x10/0x10
[  219.530983][ T6578]  ? rcu_is_watching+0x15/0xb0
[  219.531008][ T6578]  ? __x64_sys_mount+0x20/0xc0
[  219.531031][ T6578]  do_syscall_64+0xfa/0xfa0
[  219.531054][ T6578]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.531073][ T6578]  ? clear_bhb_loop+0x60/0xb0
[  219.531094][ T6578]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.531112][ T6578] RIP: 0033:0x7f0c1a99038a
[  219.531131][ T6578] 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
[  219.531147][ T6578] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.531169][ T6578] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  219.531182][ T6578] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  219.531193][ T6578] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  219.531206][ T6578] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.531219][ T6578] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  219.531240][ T6578]  </TASK>
[  219.531264][ T6578] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.862835][ T6578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.214739][ T6581] loop1: detected capacity change from 0 to 32768
[  220.224673][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.233818][ T6581] CPU: 0 UID: 0 PID: 6581 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) 
[  220.233847][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.233859][ T6581] Call Trace:
[  220.233866][ T6581]  <TASK>
[  220.233874][ T6581]  dump_stack_lvl+0x189/0x250
[  220.233905][ T6581]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.233925][ T6581]  ? __pfx__printk+0x10/0x10
[  220.233946][ T6581]  ? kernfs_root+0x1c/0x230
[  220.233965][ T6581]  ? kernfs_path_from_node+0x250/0x290
[  220.233980][ T6581]  ? kernfs_path_from_node+0x2f/0x290
[  220.233998][ T6581]  sysfs_create_dir_ns+0x259/0x280
[  220.234025][ T6581]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.234049][ T6581]  ? do_raw_spin_unlock+0x122/0x240
[  220.234070][ T6581]  kobject_add_internal+0x59f/0xb40
[  220.234099][ T6581]  kobject_init_and_add+0x125/0x190
[  220.234121][ T6581]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.234142][ T6581]  ? __raw_spin_lock_init+0x45/0x100
[  220.234176][ T6581]  ? __init_swait_queue_head+0xa9/0x150
[  220.234196][ T6581]  gfs2_sys_fs_add+0x234/0x450
[  220.234223][ T6581]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.234250][ T6581]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.234275][ T6581]  gfs2_fill_super+0x13c0/0x20d0
[  220.234300][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.234321][ T6581]  ? sb_set_blocksize+0x104/0x180
[  220.234344][ T6581]  ? setup_bdev_super+0x4c1/0x5b0
[  220.234366][ T6581]  get_tree_bdev_flags+0x40e/0x4d0
[  220.234386][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.234403][ T6581]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.234427][ T6581]  gfs2_get_tree+0x51/0x1e0
[  220.234446][ T6581]  vfs_get_tree+0x92/0x2b0
[  220.234467][ T6581]  do_new_mount+0x2a2/0xa30
[  220.234492][ T6581]  ? ns_capable+0x8a/0xf0
[  220.234517][ T6581]  ? __pfx_do_new_mount+0x10/0x10
[  220.234539][ T6581]  ? path_mount+0x61c/0xfe0
[  220.234558][ T6581]  ? user_path_at+0x44/0x60
[  220.234578][ T6581]  __se_sys_mount+0x317/0x410
[  220.234605][ T6581]  ? __pfx___se_sys_mount+0x10/0x10
[  220.234629][ T6581]  ? rcu_is_watching+0x15/0xb0
[  220.234653][ T6581]  ? __x64_sys_mount+0x20/0xc0
[  220.234678][ T6581]  do_syscall_64+0xfa/0xfa0
[  220.234701][ T6581]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.234719][ T6581]  ? clear_bhb_loop+0x60/0xb0
[  220.234740][ T6581]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.234758][ T6581] RIP: 0033:0x7f0c1a99038a
[  220.234783][ T6581] 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
[  220.234800][ T6581] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.234822][ T6581] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  220.234835][ T6581] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  220.234848][ T6581] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  220.234860][ T6581] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.234873][ T6581] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  220.234894][ T6581]  </TASK>
[  220.545653][ T6581] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.559963][ T6581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.916037][ T6584] loop1: detected capacity change from 0 to 32768
[  220.929634][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.938588][ T6584] CPU: 1 UID: 0 PID: 6584 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) 
[  220.938620][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.938632][ T6584] Call Trace:
[  220.938640][ T6584]  <TASK>
[  220.938648][ T6584]  dump_stack_lvl+0x189/0x250
[  220.938681][ T6584]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.938704][ T6584]  ? __pfx__printk+0x10/0x10
[  220.938726][ T6584]  ? kernfs_root+0x1c/0x230
[  220.938746][ T6584]  ? kernfs_path_from_node+0x250/0x290
[  220.938761][ T6584]  ? kernfs_path_from_node+0x2f/0x290
[  220.938780][ T6584]  sysfs_create_dir_ns+0x259/0x280
[  220.938826][ T6584]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  220.938853][ T6584]  ? do_raw_spin_unlock+0x122/0x240
[  220.938875][ T6584]  kobject_add_internal+0x59f/0xb40
[  220.938902][ T6584]  kobject_init_and_add+0x125/0x190
[  220.938927][ T6584]  ? __pfx_kobject_init_and_add+0x10/0x10
[  220.938950][ T6584]  ? __raw_spin_lock_init+0x45/0x100
[  220.938969][ T6584]  ? __init_swait_queue_head+0xa9/0x150
[  220.938989][ T6584]  gfs2_sys_fs_add+0x234/0x450
[  220.939016][ T6584]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  220.939058][ T6584]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  220.939084][ T6584]  gfs2_fill_super+0x13c0/0x20d0
[  220.939110][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.939132][ T6584]  ? sb_set_blocksize+0x104/0x180
[  220.939156][ T6584]  ? setup_bdev_super+0x4c1/0x5b0
[  220.939178][ T6584]  get_tree_bdev_flags+0x40e/0x4d0
[  220.939200][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  220.939220][ T6584]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  220.939244][ T6584]  gfs2_get_tree+0x51/0x1e0
[  220.939265][ T6584]  vfs_get_tree+0x92/0x2b0
[  220.939299][ T6584]  do_new_mount+0x2a2/0xa30
[  220.939323][ T6584]  ? ns_capable+0x8a/0xf0
[  220.939349][ T6584]  ? __pfx_do_new_mount+0x10/0x10
[  220.939370][ T6584]  ? path_mount+0x61c/0xfe0
[  220.939460][ T6584]  ? user_path_at+0x44/0x60
[  220.939483][ T6584]  __se_sys_mount+0x317/0x410
[  220.939509][ T6584]  ? __pfx___se_sys_mount+0x10/0x10
[  220.939534][ T6584]  ? rcu_is_watching+0x15/0xb0
[  220.939559][ T6584]  ? __x64_sys_mount+0x20/0xc0
[  220.939581][ T6584]  do_syscall_64+0xfa/0xfa0
[  220.939603][ T6584]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.939621][ T6584]  ? clear_bhb_loop+0x60/0xb0
[  220.939641][ T6584]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.939660][ T6584] RIP: 0033:0x7f0c1a99038a
[  220.939677][ T6584] 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
[  220.939693][ T6584] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.939717][ T6584] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  220.939732][ T6584] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  220.939746][ T6584] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  220.939759][ T6584] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.939772][ T6584] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  220.939794][ T6584]  </TASK>
[  220.939830][ T6584] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.266787][ T6584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.614879][ T6587] loop1: detected capacity change from 0 to 32768
[  221.626675][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.634308][ T6587] CPU: 0 UID: 0 PID: 6587 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) 
[  221.634336][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.634378][ T6587] Call Trace:
[  221.634386][ T6587]  <TASK>
[  221.634395][ T6587]  dump_stack_lvl+0x189/0x250
[  221.634426][ T6587]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.634449][ T6587]  ? __pfx__printk+0x10/0x10
[  221.634473][ T6587]  ? kernfs_root+0x1c/0x230
[  221.634493][ T6587]  ? kernfs_path_from_node+0x250/0x290
[  221.634509][ T6587]  ? kernfs_path_from_node+0x2f/0x290
[  221.634526][ T6587]  sysfs_create_dir_ns+0x259/0x280
[  221.634554][ T6587]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  221.634579][ T6587]  ? do_raw_spin_unlock+0x122/0x240
[  221.634601][ T6587]  kobject_add_internal+0x59f/0xb40
[  221.634629][ T6587]  kobject_init_and_add+0x125/0x190
[  221.634655][ T6587]  ? __pfx_kobject_init_and_add+0x10/0x10
[  221.634677][ T6587]  ? __raw_spin_lock_init+0x45/0x100
[  221.634697][ T6587]  ? __init_swait_queue_head+0xa9/0x150
[  221.634717][ T6587]  gfs2_sys_fs_add+0x234/0x450
[  221.634745][ T6587]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  221.634779][ T6587]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  221.634802][ T6587]  gfs2_fill_super+0x13c0/0x20d0
[  221.634841][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.634863][ T6587]  ? sb_set_blocksize+0x104/0x180
[  221.634887][ T6587]  ? setup_bdev_super+0x4c1/0x5b0
[  221.634911][ T6587]  get_tree_bdev_flags+0x40e/0x4d0
[  221.634933][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  221.634953][ T6587]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  221.634979][ T6587]  gfs2_get_tree+0x51/0x1e0
[  221.635000][ T6587]  vfs_get_tree+0x92/0x2b0
[  221.635021][ T6587]  do_new_mount+0x2a2/0xa30
[  221.635046][ T6587]  ? ns_capable+0x8a/0xf0
[  221.635069][ T6587]  ? __pfx_do_new_mount+0x10/0x10
[  221.635104][ T6587]  ? path_mount+0x61c/0xfe0
[  221.635124][ T6587]  ? user_path_at+0x44/0x60
[  221.635146][ T6587]  __se_sys_mount+0x317/0x410
[  221.635172][ T6587]  ? __pfx___se_sys_mount+0x10/0x10
[  221.635197][ T6587]  ? rcu_is_watching+0x15/0xb0
[  221.635221][ T6587]  ? __x64_sys_mount+0x20/0xc0
[  221.635243][ T6587]  do_syscall_64+0xfa/0xfa0
[  221.635265][ T6587]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.635284][ T6587]  ? clear_bhb_loop+0x60/0xb0
[  221.635304][ T6587]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  221.635323][ T6587] RIP: 0033:0x7f0c1a99038a
[  221.635341][ T6587] 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
[  221.635357][ T6587] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.635382][ T6587] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  221.635396][ T6587] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  221.635408][ T6587] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  221.635422][ T6587] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  221.635434][ T6587] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  221.635454][ T6587]  </TASK>
[  221.954682][ T6587] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.969618][ T6587] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:49:17 executed programs: 171
[  222.319893][ T6590] loop1: detected capacity change from 0 to 32768
[  222.331048][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.339131][ T6590] CPU: 1 UID: 0 PID: 6590 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) 
[  222.339158][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  222.339171][ T6590] Call Trace:
[  222.339179][ T6590]  <TASK>
[  222.339188][ T6590]  dump_stack_lvl+0x189/0x250
[  222.339219][ T6590]  ? __pfx_dump_stack_lvl+0x10/0x10
[  222.339241][ T6590]  ? __pfx__printk+0x10/0x10
[  222.339265][ T6590]  ? kernfs_root+0x1c/0x230
[  222.339285][ T6590]  ? kernfs_path_from_node+0x250/0x290
[  222.339302][ T6590]  ? kernfs_path_from_node+0x2f/0x290
[  222.339320][ T6590]  sysfs_create_dir_ns+0x259/0x280
[  222.339349][ T6590]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  222.339375][ T6590]  ? do_raw_spin_unlock+0x122/0x240
[  222.339398][ T6590]  kobject_add_internal+0x59f/0xb40
[  222.339426][ T6590]  kobject_init_and_add+0x125/0x190
[  222.339452][ T6590]  ? __pfx_kobject_init_and_add+0x10/0x10
[  222.339475][ T6590]  ? __raw_spin_lock_init+0x45/0x100
[  222.339493][ T6590]  ? __init_swait_queue_head+0xa9/0x150
[  222.339512][ T6590]  gfs2_sys_fs_add+0x234/0x450
[  222.339540][ T6590]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  222.339568][ T6590]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  222.339596][ T6590]  gfs2_fill_super+0x13c0/0x20d0
[  222.339621][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.339643][ T6590]  ? sb_set_blocksize+0x104/0x180
[  222.339666][ T6590]  ? setup_bdev_super+0x4c1/0x5b0
[  222.339688][ T6590]  get_tree_bdev_flags+0x40e/0x4d0
[  222.339707][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  222.339726][ T6590]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  222.339749][ T6590]  gfs2_get_tree+0x51/0x1e0
[  222.339769][ T6590]  vfs_get_tree+0x92/0x2b0
[  222.339790][ T6590]  do_new_mount+0x2a2/0xa30
[  222.339815][ T6590]  ? ns_capable+0x8a/0xf0
[  222.339840][ T6590]  ? __pfx_do_new_mount+0x10/0x10
[  222.339861][ T6590]  ? path_mount+0x61c/0xfe0
[  222.339880][ T6590]  ? user_path_at+0x44/0x60
[  222.339900][ T6590]  __se_sys_mount+0x317/0x410
[  222.339927][ T6590]  ? __pfx___se_sys_mount+0x10/0x10
[  222.339952][ T6590]  ? rcu_is_watching+0x15/0xb0
[  222.339978][ T6590]  ? __x64_sys_mount+0x20/0xc0
[  222.340001][ T6590]  do_syscall_64+0xfa/0xfa0
[  222.340025][ T6590]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.340045][ T6590]  ? clear_bhb_loop+0x60/0xb0
[  222.340066][ T6590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  222.340085][ T6590] RIP: 0033:0x7f0c1a99038a
[  222.340116][ T6590] 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
[  222.340133][ T6590] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.340156][ T6590] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  222.340170][ T6590] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  222.340183][ T6590] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  222.340197][ T6590] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  222.340210][ T6590] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  222.340231][ T6590]  </TASK>
[  222.340254][ T6590] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.666966][ T6590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.006512][ T6593] loop1: detected capacity change from 0 to 32768
[  223.017683][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.028086][ T6593] CPU: 1 UID: 0 PID: 6593 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full) 
[  223.028114][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.028125][ T6593] Call Trace:
[  223.028133][ T6593]  <TASK>
[  223.028142][ T6593]  dump_stack_lvl+0x189/0x250
[  223.028172][ T6593]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.028195][ T6593]  ? __pfx__printk+0x10/0x10
[  223.028219][ T6593]  ? kernfs_root+0x1c/0x230
[  223.028239][ T6593]  ? kernfs_path_from_node+0x250/0x290
[  223.028255][ T6593]  ? kernfs_path_from_node+0x2f/0x290
[  223.028273][ T6593]  sysfs_create_dir_ns+0x259/0x280
[  223.028301][ T6593]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.028327][ T6593]  ? do_raw_spin_unlock+0x122/0x240
[  223.028348][ T6593]  kobject_add_internal+0x59f/0xb40
[  223.028376][ T6593]  kobject_init_and_add+0x125/0x190
[  223.028402][ T6593]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.028424][ T6593]  ? __raw_spin_lock_init+0x45/0x100
[  223.028444][ T6593]  ? __init_swait_queue_head+0xa9/0x150
[  223.028463][ T6593]  gfs2_sys_fs_add+0x234/0x450
[  223.028490][ T6593]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.028517][ T6593]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.028544][ T6593]  gfs2_fill_super+0x13c0/0x20d0
[  223.028571][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.028594][ T6593]  ? sb_set_blocksize+0x104/0x180
[  223.028619][ T6593]  ? setup_bdev_super+0x4c1/0x5b0
[  223.028642][ T6593]  get_tree_bdev_flags+0x40e/0x4d0
[  223.028664][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.028684][ T6593]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.028711][ T6593]  gfs2_get_tree+0x51/0x1e0
[  223.028731][ T6593]  vfs_get_tree+0x92/0x2b0
[  223.028751][ T6593]  do_new_mount+0x2a2/0xa30
[  223.028775][ T6593]  ? ns_capable+0x8a/0xf0
[  223.028798][ T6593]  ? __pfx_do_new_mount+0x10/0x10
[  223.028819][ T6593]  ? path_mount+0x61c/0xfe0
[  223.028840][ T6593]  ? user_path_at+0x44/0x60
[  223.028860][ T6593]  __se_sys_mount+0x317/0x410
[  223.028898][ T6593]  ? __pfx___se_sys_mount+0x10/0x10
[  223.028923][ T6593]  ? rcu_is_watching+0x15/0xb0
[  223.028947][ T6593]  ? __x64_sys_mount+0x20/0xc0
[  223.028971][ T6593]  do_syscall_64+0xfa/0xfa0
[  223.028992][ T6593]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.029012][ T6593]  ? clear_bhb_loop+0x60/0xb0
[  223.029033][ T6593]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.029051][ T6593] RIP: 0033:0x7f0c1a99038a
[  223.029067][ T6593] 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
[  223.029084][ T6593] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.029106][ T6593] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  223.029120][ T6593] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  223.029133][ T6593] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  223.029146][ T6593] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  223.029159][ T6593] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  223.029181][ T6593]  </TASK>
[  223.029259][ T6593] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.348325][ T6593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.695400][ T6596] loop1: detected capacity change from 0 to 32768
[  223.708319][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.717200][ T6596] CPU: 0 UID: 0 PID: 6596 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full) 
[  223.717229][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  223.717242][ T6596] Call Trace:
[  223.717251][ T6596]  <TASK>
[  223.717260][ T6596]  dump_stack_lvl+0x189/0x250
[  223.717289][ T6596]  ? __pfx_dump_stack_lvl+0x10/0x10
[  223.717340][ T6596]  ? __pfx__printk+0x10/0x10
[  223.717365][ T6596]  ? kernfs_root+0x1c/0x230
[  223.717384][ T6596]  ? kernfs_path_from_node+0x250/0x290
[  223.717401][ T6596]  ? kernfs_path_from_node+0x2f/0x290
[  223.717419][ T6596]  sysfs_create_dir_ns+0x259/0x280
[  223.717446][ T6596]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  223.717472][ T6596]  ? do_raw_spin_unlock+0x122/0x240
[  223.717494][ T6596]  kobject_add_internal+0x59f/0xb40
[  223.717522][ T6596]  kobject_init_and_add+0x125/0x190
[  223.717547][ T6596]  ? __pfx_kobject_init_and_add+0x10/0x10
[  223.717569][ T6596]  ? __raw_spin_lock_init+0x45/0x100
[  223.717589][ T6596]  ? __init_swait_queue_head+0xa9/0x150
[  223.717615][ T6596]  gfs2_sys_fs_add+0x234/0x450
[  223.717643][ T6596]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  223.717671][ T6596]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  223.717696][ T6596]  gfs2_fill_super+0x13c0/0x20d0
[  223.717723][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.717745][ T6596]  ? sb_set_blocksize+0x104/0x180
[  223.717770][ T6596]  ? setup_bdev_super+0x4c1/0x5b0
[  223.717794][ T6596]  get_tree_bdev_flags+0x40e/0x4d0
[  223.717813][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  223.717833][ T6596]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  223.717858][ T6596]  gfs2_get_tree+0x51/0x1e0
[  223.717879][ T6596]  vfs_get_tree+0x92/0x2b0
[  223.717900][ T6596]  do_new_mount+0x2a2/0xa30
[  223.717924][ T6596]  ? ns_capable+0x8a/0xf0
[  223.717950][ T6596]  ? __pfx_do_new_mount+0x10/0x10
[  223.717971][ T6596]  ? path_mount+0x61c/0xfe0
[  223.717992][ T6596]  ? user_path_at+0x44/0x60
[  223.718012][ T6596]  __se_sys_mount+0x317/0x410
[  223.718037][ T6596]  ? __pfx___se_sys_mount+0x10/0x10
[  223.718074][ T6596]  ? rcu_is_watching+0x15/0xb0
[  223.718098][ T6596]  ? __x64_sys_mount+0x20/0xc0
[  223.718121][ T6596]  do_syscall_64+0xfa/0xfa0
[  223.718143][ T6596]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.718162][ T6596]  ? clear_bhb_loop+0x60/0xb0
[  223.718183][ T6596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  223.718201][ T6596] RIP: 0033:0x7f0c1a99038a
[  223.718220][ T6596] 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
[  223.718236][ T6596] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.718260][ T6596] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  223.718274][ T6596] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  223.718288][ T6596] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  223.718302][ T6596] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  223.718315][ T6596] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  223.718337][ T6596]  </TASK>
[  223.718440][ T6596] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.053566][ T6596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.406451][ T6599] loop1: detected capacity change from 0 to 32768
[  224.421291][ T6599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.429472][ T6599] CPU: 1 UID: 0 PID: 6599 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full) 
[  224.429501][ T6599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  224.429514][ T6599] Call Trace:
[  224.429522][ T6599]  <TASK>
[  224.429531][ T6599]  dump_stack_lvl+0x189/0x250
[  224.429563][ T6599]  ? __pfx_dump_stack_lvl+0x10/0x10
[  224.429586][ T6599]  ? __pfx__printk+0x10/0x10
[  224.429610][ T6599]  ? kernfs_root+0x1c/0x230
[  224.429630][ T6599]  ? kernfs_path_from_node+0x250/0x290
[  224.429646][ T6599]  ? kernfs_path_from_node+0x2f/0x290
[  224.429664][ T6599]  sysfs_create_dir_ns+0x259/0x280
[  224.429693][ T6599]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  224.429720][ T6599]  ? do_raw_spin_unlock+0x122/0x240
[  224.429743][ T6599]  kobject_add_internal+0x59f/0xb40
[  224.429771][ T6599]  kobject_init_and_add+0x125/0x190
[  224.429795][ T6599]  ? __pfx_kobject_init_and_add+0x10/0x10
[  224.429818][ T6599]  ? __raw_spin_lock_init+0x45/0x100
[  224.429837][ T6599]  ? __init_swait_queue_head+0xa9/0x150
[  224.429873][ T6599]  gfs2_sys_fs_add+0x234/0x450
[  224.429902][ T6599]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  224.429930][ T6599]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  224.429957][ T6599]  gfs2_fill_super+0x13c0/0x20d0
[  224.429984][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.430005][ T6599]  ? sb_set_blocksize+0x104/0x180
[  224.430030][ T6599]  ? setup_bdev_super+0x4c1/0x5b0
[  224.430053][ T6599]  get_tree_bdev_flags+0x40e/0x4d0
[  224.430075][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  224.430096][ T6599]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  224.430120][ T6599]  gfs2_get_tree+0x51/0x1e0
[  224.430139][ T6599]  vfs_get_tree+0x92/0x2b0
[  224.430161][ T6599]  do_new_mount+0x2a2/0xa30
[  224.430187][ T6599]  ? ns_capable+0x8a/0xf0
[  224.430213][ T6599]  ? __pfx_do_new_mount+0x10/0x10
[  224.430235][ T6599]  ? path_mount+0x61c/0xfe0
[  224.430257][ T6599]  ? user_path_at+0x44/0x60
[  224.430278][ T6599]  __se_sys_mount+0x317/0x410
[  224.430303][ T6599]  ? __pfx___se_sys_mount+0x10/0x10
[  224.430328][ T6599]  ? rcu_is_watching+0x15/0xb0
[  224.430354][ T6599]  ? __x64_sys_mount+0x20/0xc0
[  224.430378][ T6599]  do_syscall_64+0xfa/0xfa0
[  224.430421][ T6599]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.430440][ T6599]  ? clear_bhb_loop+0x60/0xb0
[  224.430461][ T6599]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  224.430479][ T6599] RIP: 0033:0x7f0c1a99038a
[  224.430498][ T6599] 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
[  224.430514][ T6599] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.430538][ T6599] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  224.430552][ T6599] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  224.430565][ T6599] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  224.430579][ T6599] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  224.430592][ T6599] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  224.430614][ T6599]  </TASK>
[  224.430636][ T6599] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.760276][ T6599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.113103][ T6602] loop1: detected capacity change from 0 to 32768
[  225.127422][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.135906][ T6602] CPU: 0 UID: 0 PID: 6602 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full) 
[  225.135934][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.135947][ T6602] Call Trace:
[  225.135955][ T6602]  <TASK>
[  225.135963][ T6602]  dump_stack_lvl+0x189/0x250
[  225.135993][ T6602]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.136015][ T6602]  ? __pfx__printk+0x10/0x10
[  225.136037][ T6602]  ? kernfs_root+0x1c/0x230
[  225.136056][ T6602]  ? kernfs_path_from_node+0x250/0x290
[  225.136072][ T6602]  ? kernfs_path_from_node+0x2f/0x290
[  225.136089][ T6602]  sysfs_create_dir_ns+0x259/0x280
[  225.136116][ T6602]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.136141][ T6602]  ? do_raw_spin_unlock+0x122/0x240
[  225.136162][ T6602]  kobject_add_internal+0x59f/0xb40
[  225.136189][ T6602]  kobject_init_and_add+0x125/0x190
[  225.136211][ T6602]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.136233][ T6602]  ? __raw_spin_lock_init+0x45/0x100
[  225.136253][ T6602]  ? __init_swait_queue_head+0xa9/0x150
[  225.136272][ T6602]  gfs2_sys_fs_add+0x234/0x450
[  225.136298][ T6602]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.136324][ T6602]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.136350][ T6602]  gfs2_fill_super+0x13c0/0x20d0
[  225.136376][ T6602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.136398][ T6602]  ? sb_set_blocksize+0x104/0x180
[  225.136422][ T6602]  ? setup_bdev_super+0x4c1/0x5b0
[  225.136444][ T6602]  get_tree_bdev_flags+0x40e/0x4d0
[  225.136465][ T6602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.136484][ T6602]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.136509][ T6602]  gfs2_get_tree+0x51/0x1e0
[  225.136529][ T6602]  vfs_get_tree+0x92/0x2b0
[  225.136549][ T6602]  do_new_mount+0x2a2/0xa30
[  225.136572][ T6602]  ? ns_capable+0x8a/0xf0
[  225.136597][ T6602]  ? __pfx_do_new_mount+0x10/0x10
[  225.136618][ T6602]  ? path_mount+0x61c/0xfe0
[  225.136637][ T6602]  ? user_path_at+0x44/0x60
[  225.136657][ T6602]  __se_sys_mount+0x317/0x410
[  225.136681][ T6602]  ? __pfx___se_sys_mount+0x10/0x10
[  225.136705][ T6602]  ? rcu_is_watching+0x15/0xb0
[  225.136740][ T6602]  ? __x64_sys_mount+0x20/0xc0
[  225.136763][ T6602]  do_syscall_64+0xfa/0xfa0
[  225.136785][ T6602]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.136802][ T6602]  ? clear_bhb_loop+0x60/0xb0
[  225.136822][ T6602]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.136839][ T6602] RIP: 0033:0x7f0c1a99038a
[  225.136857][ T6602] 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
[  225.136873][ T6602] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.136896][ T6602] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  225.136910][ T6602] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  225.136923][ T6602] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  225.136935][ T6602] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  225.136948][ T6602] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  225.136968][ T6602]  </TASK>
[  225.136987][ T6602] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.466606][ T6602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.806221][ T6605] loop1: detected capacity change from 0 to 32768
[  225.817290][ T6605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.826273][ T6605] CPU: 0 UID: 0 PID: 6605 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full) 
[  225.826300][ T6605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  225.826313][ T6605] Call Trace:
[  225.826320][ T6605]  <TASK>
[  225.826328][ T6605]  dump_stack_lvl+0x189/0x250
[  225.826360][ T6605]  ? __pfx_dump_stack_lvl+0x10/0x10
[  225.826380][ T6605]  ? __pfx__printk+0x10/0x10
[  225.826403][ T6605]  ? kernfs_root+0x1c/0x230
[  225.826424][ T6605]  ? kernfs_path_from_node+0x250/0x290
[  225.826440][ T6605]  ? kernfs_path_from_node+0x2f/0x290
[  225.826459][ T6605]  sysfs_create_dir_ns+0x259/0x280
[  225.826487][ T6605]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  225.826513][ T6605]  ? do_raw_spin_unlock+0x122/0x240
[  225.826535][ T6605]  kobject_add_internal+0x59f/0xb40
[  225.826563][ T6605]  kobject_init_and_add+0x125/0x190
[  225.826586][ T6605]  ? __pfx_kobject_init_and_add+0x10/0x10
[  225.826608][ T6605]  ? __raw_spin_lock_init+0x45/0x100
[  225.826627][ T6605]  ? __init_swait_queue_head+0xa9/0x150
[  225.826645][ T6605]  gfs2_sys_fs_add+0x234/0x450
[  225.826672][ T6605]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  225.826699][ T6605]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  225.826726][ T6605]  gfs2_fill_super+0x13c0/0x20d0
[  225.826750][ T6605]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.826771][ T6605]  ? sb_set_blocksize+0x104/0x180
[  225.826795][ T6605]  ? setup_bdev_super+0x4c1/0x5b0
[  225.826819][ T6605]  get_tree_bdev_flags+0x40e/0x4d0
[  225.826839][ T6605]  ? __pfx_gfs2_fill_super+0x10/0x10
[  225.826858][ T6605]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  225.826883][ T6605]  gfs2_get_tree+0x51/0x1e0
[  225.826904][ T6605]  vfs_get_tree+0x92/0x2b0
[  225.826925][ T6605]  do_new_mount+0x2a2/0xa30
[  225.826950][ T6605]  ? ns_capable+0x8a/0xf0
[  225.826975][ T6605]  ? __pfx_do_new_mount+0x10/0x10
[  225.827009][ T6605]  ? path_mount+0x61c/0xfe0
[  225.827029][ T6605]  ? user_path_at+0x44/0x60
[  225.827049][ T6605]  __se_sys_mount+0x317/0x410
[  225.827075][ T6605]  ? __pfx___se_sys_mount+0x10/0x10
[  225.827100][ T6605]  ? rcu_is_watching+0x15/0xb0
[  225.827126][ T6605]  ? __x64_sys_mount+0x20/0xc0
[  225.827149][ T6605]  do_syscall_64+0xfa/0xfa0
[  225.827172][ T6605]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.827192][ T6605]  ? clear_bhb_loop+0x60/0xb0
[  225.827213][ T6605]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  225.827231][ T6605] RIP: 0033:0x7f0c1a99038a
[  225.827249][ T6605] 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
[  225.827264][ T6605] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.827288][ T6605] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  225.827303][ T6605] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  225.827317][ T6605] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  225.827331][ T6605] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  225.827344][ T6605] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  225.827366][ T6605]  </TASK>
[  225.827388][ T6605] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.158386][ T6605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.509350][ T6608] loop1: detected capacity change from 0 to 32768
[  226.521617][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.530390][ T6608] CPU: 1 UID: 0 PID: 6608 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full) 
[  226.530420][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  226.530433][ T6608] Call Trace:
[  226.530441][ T6608]  <TASK>
[  226.530449][ T6608]  dump_stack_lvl+0x189/0x250
[  226.530480][ T6608]  ? __pfx_dump_stack_lvl+0x10/0x10
[  226.530503][ T6608]  ? __pfx__printk+0x10/0x10
[  226.530525][ T6608]  ? kernfs_root+0x1c/0x230
[  226.530545][ T6608]  ? kernfs_path_from_node+0x250/0x290
[  226.530561][ T6608]  ? kernfs_path_from_node+0x2f/0x290
[  226.530578][ T6608]  sysfs_create_dir_ns+0x259/0x280
[  226.530605][ T6608]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  226.530631][ T6608]  ? do_raw_spin_unlock+0x122/0x240
[  226.530652][ T6608]  kobject_add_internal+0x59f/0xb40
[  226.530681][ T6608]  kobject_init_and_add+0x125/0x190
[  226.530707][ T6608]  ? __pfx_kobject_init_and_add+0x10/0x10
[  226.530727][ T6608]  ? __raw_spin_lock_init+0x45/0x100
[  226.530747][ T6608]  ? __init_swait_queue_head+0xa9/0x150
[  226.530767][ T6608]  gfs2_sys_fs_add+0x234/0x450
[  226.530808][ T6608]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  226.530835][ T6608]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  226.530864][ T6608]  gfs2_fill_super+0x13c0/0x20d0
[  226.530888][ T6608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.530910][ T6608]  ? sb_set_blocksize+0x104/0x180
[  226.530934][ T6608]  ? setup_bdev_super+0x4c1/0x5b0
[  226.530958][ T6608]  get_tree_bdev_flags+0x40e/0x4d0
[  226.530980][ T6608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  226.531000][ T6608]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  226.531024][ T6608]  gfs2_get_tree+0x51/0x1e0
[  226.531045][ T6608]  vfs_get_tree+0x92/0x2b0
[  226.531066][ T6608]  do_new_mount+0x2a2/0xa30
[  226.531090][ T6608]  ? ns_capable+0x8a/0xf0
[  226.531114][ T6608]  ? __pfx_do_new_mount+0x10/0x10
[  226.531136][ T6608]  ? path_mount+0x61c/0xfe0
[  226.531157][ T6608]  ? user_path_at+0x44/0x60
[  226.531177][ T6608]  __se_sys_mount+0x317/0x410
[  226.531203][ T6608]  ? __pfx___se_sys_mount+0x10/0x10
[  226.531228][ T6608]  ? rcu_is_watching+0x15/0xb0
[  226.531254][ T6608]  ? __x64_sys_mount+0x20/0xc0
[  226.531278][ T6608]  do_syscall_64+0xfa/0xfa0
[  226.531299][ T6608]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.531317][ T6608]  ? clear_bhb_loop+0x60/0xb0
[  226.531336][ T6608]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  226.531354][ T6608] RIP: 0033:0x7f0c1a99038a
[  226.531371][ T6608] 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
[  226.531387][ T6608] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.531411][ T6608] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  226.531426][ T6608] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  226.531440][ T6608] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  226.531453][ T6608] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  226.531466][ T6608] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  226.531489][ T6608]  </TASK>
[  226.531545][ T6608] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.854338][ T6608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.201994][ T6611] loop1: detected capacity change from 0 to 32768
[  227.214895][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.223001][ T6611] CPU: 1 UID: 0 PID: 6611 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) 
[  227.223029][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.223042][ T6611] Call Trace:
[  227.223050][ T6611]  <TASK>
[  227.223058][ T6611]  dump_stack_lvl+0x189/0x250
[  227.223089][ T6611]  ? __pfx_dump_stack_lvl+0x10/0x10
[  227.223109][ T6611]  ? __pfx__printk+0x10/0x10
[  227.223131][ T6611]  ? kernfs_root+0x1c/0x230
[  227.223147][ T6611]  ? kernfs_path_from_node+0x250/0x290
[  227.223161][ T6611]  ? kernfs_path_from_node+0x2f/0x290
[  227.223176][ T6611]  sysfs_create_dir_ns+0x259/0x280
[  227.223205][ T6611]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  227.223232][ T6611]  ? do_raw_spin_unlock+0x122/0x240
[  227.223254][ T6611]  kobject_add_internal+0x59f/0xb40
[  227.223282][ T6611]  kobject_init_and_add+0x125/0x190
[  227.223305][ T6611]  ? __pfx_kobject_init_and_add+0x10/0x10
[  227.223328][ T6611]  ? __raw_spin_lock_init+0x45/0x100
[  227.223347][ T6611]  ? __init_swait_queue_head+0xa9/0x150
[  227.223365][ T6611]  gfs2_sys_fs_add+0x234/0x450
[  227.223393][ T6611]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  227.223419][ T6611]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  227.223445][ T6611]  gfs2_fill_super+0x13c0/0x20d0
[  227.223472][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.223494][ T6611]  ? sb_set_blocksize+0x104/0x180
[  227.223518][ T6611]  ? setup_bdev_super+0x4c1/0x5b0
[  227.223541][ T6611]  get_tree_bdev_flags+0x40e/0x4d0
[  227.223563][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.223583][ T6611]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  227.223606][ T6611]  gfs2_get_tree+0x51/0x1e0
[  227.223627][ T6611]  vfs_get_tree+0x92/0x2b0
[  227.223649][ T6611]  do_new_mount+0x2a2/0xa30
[  227.223674][ T6611]  ? ns_capable+0x8a/0xf0
[  227.223700][ T6611]  ? __pfx_do_new_mount+0x10/0x10
[  227.223723][ T6611]  ? path_mount+0x61c/0xfe0
[  227.223744][ T6611]  ? user_path_at+0x44/0x60
[  227.223779][ T6611]  __se_sys_mount+0x317/0x410
[  227.223804][ T6611]  ? __pfx___se_sys_mount+0x10/0x10
[  227.223830][ T6611]  ? rcu_is_watching+0x15/0xb0
[  227.223855][ T6611]  ? __x64_sys_mount+0x20/0xc0
[  227.223878][ T6611]  do_syscall_64+0xfa/0xfa0
[  227.223901][ T6611]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.223920][ T6611]  ? clear_bhb_loop+0x60/0xb0
[  227.223940][ T6611]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.223958][ T6611] RIP: 0033:0x7f0c1a99038a
[  227.223977][ T6611] 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
[  227.223993][ T6611] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.224015][ T6611] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  227.224029][ T6611] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  227.224043][ T6611] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  227.224055][ T6611] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  227.224067][ T6611] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  227.224089][ T6611]  </TASK>
[  227.224111][ T6611] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.550534][ T6611] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:49:22 executed programs: 179
[  227.897382][ T6614] loop1: detected capacity change from 0 to 32768
[  227.924310][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.932550][ T6614] CPU: 1 UID: 0 PID: 6614 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full) 
[  227.932581][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  227.932593][ T6614] Call Trace:
[  227.932601][ T6614]  <TASK>
[  227.932610][ T6614]  dump_stack_lvl+0x189/0x250
[  227.932641][ T6614]  ? __pfx_dump_stack_lvl+0x10/0x10
[  227.932663][ T6614]  ? __pfx__printk+0x10/0x10
[  227.932687][ T6614]  ? kernfs_root+0x1c/0x230
[  227.932705][ T6614]  ? kernfs_path_from_node+0x250/0x290
[  227.932721][ T6614]  ? kernfs_path_from_node+0x2f/0x290
[  227.932739][ T6614]  sysfs_create_dir_ns+0x259/0x280
[  227.932768][ T6614]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  227.932795][ T6614]  ? do_raw_spin_unlock+0x122/0x240
[  227.932817][ T6614]  kobject_add_internal+0x59f/0xb40
[  227.932846][ T6614]  kobject_init_and_add+0x125/0x190
[  227.932871][ T6614]  ? __pfx_kobject_init_and_add+0x10/0x10
[  227.932894][ T6614]  ? __raw_spin_lock_init+0x45/0x100
[  227.932913][ T6614]  ? __init_swait_queue_head+0xa9/0x150
[  227.932934][ T6614]  gfs2_sys_fs_add+0x234/0x450
[  227.932972][ T6614]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  227.933000][ T6614]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  227.933027][ T6614]  gfs2_fill_super+0x13c0/0x20d0
[  227.933055][ T6614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.933077][ T6614]  ? sb_set_blocksize+0x104/0x180
[  227.933102][ T6614]  ? setup_bdev_super+0x4c1/0x5b0
[  227.933126][ T6614]  get_tree_bdev_flags+0x40e/0x4d0
[  227.933147][ T6614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  227.933167][ T6614]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  227.933193][ T6614]  gfs2_get_tree+0x51/0x1e0
[  227.933215][ T6614]  vfs_get_tree+0x92/0x2b0
[  227.933237][ T6614]  do_new_mount+0x2a2/0xa30
[  227.933261][ T6614]  ? ns_capable+0x8a/0xf0
[  227.933285][ T6614]  ? __pfx_do_new_mount+0x10/0x10
[  227.933308][ T6614]  ? path_mount+0x61c/0xfe0
[  227.933328][ T6614]  ? user_path_at+0x44/0x60
[  227.933349][ T6614]  __se_sys_mount+0x317/0x410
[  227.933375][ T6614]  ? __pfx___se_sys_mount+0x10/0x10
[  227.933400][ T6614]  ? rcu_is_watching+0x15/0xb0
[  227.933425][ T6614]  ? __x64_sys_mount+0x20/0xc0
[  227.933449][ T6614]  do_syscall_64+0xfa/0xfa0
[  227.933472][ T6614]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.933491][ T6614]  ? clear_bhb_loop+0x60/0xb0
[  227.933512][ T6614]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  227.933529][ T6614] RIP: 0033:0x7f0c1a99038a
[  227.933549][ T6614] 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
[  227.933565][ T6614] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.933589][ T6614] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  227.933603][ T6614] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  227.933617][ T6614] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  227.933630][ T6614] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  227.933643][ T6614] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  227.933664][ T6614]  </TASK>
[  227.933685][ T6614] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.015902][ T5890] Bluetooth: hci1: command 0x0406 tx timeout
[  228.019846][ T6614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.628129][ T6617] loop1: detected capacity change from 0 to 32768
[  228.637391][ T6617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.645389][ T6617] CPU: 1 UID: 0 PID: 6617 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full) 
[  228.645420][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  228.645432][ T6617] Call Trace:
[  228.645441][ T6617]  <TASK>
[  228.645449][ T6617]  dump_stack_lvl+0x189/0x250
[  228.645485][ T6617]  ? __pfx_dump_stack_lvl+0x10/0x10
[  228.645508][ T6617]  ? __pfx__printk+0x10/0x10
[  228.645531][ T6617]  ? kernfs_root+0x1c/0x230
[  228.645551][ T6617]  ? kernfs_path_from_node+0x250/0x290
[  228.645568][ T6617]  ? kernfs_path_from_node+0x2f/0x290
[  228.645588][ T6617]  sysfs_create_dir_ns+0x259/0x280
[  228.645616][ T6617]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  228.645645][ T6617]  ? do_raw_spin_unlock+0x122/0x240
[  228.645668][ T6617]  kobject_add_internal+0x59f/0xb40
[  228.645697][ T6617]  kobject_init_and_add+0x125/0x190
[  228.645735][ T6617]  ? __pfx_kobject_init_and_add+0x10/0x10
[  228.645760][ T6617]  ? __raw_spin_lock_init+0x45/0x100
[  228.645781][ T6617]  ? __init_swait_queue_head+0xa9/0x150
[  228.645802][ T6617]  gfs2_sys_fs_add+0x234/0x450
[  228.645831][ T6617]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  228.645857][ T6617]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  228.645885][ T6617]  gfs2_fill_super+0x13c0/0x20d0
[  228.645912][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.645934][ T6617]  ? sb_set_blocksize+0x104/0x180
[  228.645960][ T6617]  ? setup_bdev_super+0x4c1/0x5b0
[  228.645982][ T6617]  get_tree_bdev_flags+0x40e/0x4d0
[  228.646003][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  228.646019][ T6617]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  228.646039][ T6617]  gfs2_get_tree+0x51/0x1e0
[  228.646056][ T6617]  vfs_get_tree+0x92/0x2b0
[  228.646073][ T6617]  do_new_mount+0x2a2/0xa30
[  228.646092][ T6617]  ? ns_capable+0x8a/0xf0
[  228.646113][ T6617]  ? __pfx_do_new_mount+0x10/0x10
[  228.646130][ T6617]  ? path_mount+0x61c/0xfe0
[  228.646146][ T6617]  ? user_path_at+0x44/0x60
[  228.646163][ T6617]  __se_sys_mount+0x317/0x410
[  228.646182][ T6617]  ? __pfx___se_sys_mount+0x10/0x10
[  228.646201][ T6617]  ? rcu_is_watching+0x15/0xb0
[  228.646221][ T6617]  ? __x64_sys_mount+0x20/0xc0
[  228.646240][ T6617]  do_syscall_64+0xfa/0xfa0
[  228.646258][ T6617]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.646273][ T6617]  ? clear_bhb_loop+0x60/0xb0
[  228.646289][ T6617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  228.646303][ T6617] RIP: 0033:0x7f0c1a99038a
[  228.646318][ T6617] 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
[  228.646332][ T6617] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.646351][ T6617] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  228.646363][ T6617] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  228.646373][ T6617] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  228.646383][ T6617] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  228.646393][ T6617] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  228.646409][ T6617]  </TASK>
[  228.646432][ T6617] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.974350][ T6617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.315346][ T6620] loop1: detected capacity change from 0 to 32768
[  229.335140][ T6620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.342979][ T6620] CPU: 0 UID: 0 PID: 6620 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full) 
[  229.343010][ T6620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  229.343023][ T6620] Call Trace:
[  229.343032][ T6620]  <TASK>
[  229.343040][ T6620]  dump_stack_lvl+0x189/0x250
[  229.343072][ T6620]  ? __pfx_dump_stack_lvl+0x10/0x10
[  229.343093][ T6620]  ? __pfx__printk+0x10/0x10
[  229.343116][ T6620]  ? kernfs_root+0x1c/0x230
[  229.343136][ T6620]  ? kernfs_path_from_node+0x250/0x290
[  229.343151][ T6620]  ? kernfs_path_from_node+0x2f/0x290
[  229.343169][ T6620]  sysfs_create_dir_ns+0x259/0x280
[  229.343195][ T6620]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  229.343221][ T6620]  ? do_raw_spin_unlock+0x122/0x240
[  229.343243][ T6620]  kobject_add_internal+0x59f/0xb40
[  229.343272][ T6620]  kobject_init_and_add+0x125/0x190
[  229.343298][ T6620]  ? __pfx_kobject_init_and_add+0x10/0x10
[  229.343321][ T6620]  ? __raw_spin_lock_init+0x45/0x100
[  229.343338][ T6620]  ? __init_swait_queue_head+0xa9/0x150
[  229.343359][ T6620]  gfs2_sys_fs_add+0x234/0x450
[  229.343386][ T6620]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  229.343412][ T6620]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  229.343438][ T6620]  gfs2_fill_super+0x13c0/0x20d0
[  229.343466][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.343489][ T6620]  ? sb_set_blocksize+0x104/0x180
[  229.343514][ T6620]  ? setup_bdev_super+0x4c1/0x5b0
[  229.343538][ T6620]  get_tree_bdev_flags+0x40e/0x4d0
[  229.343559][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  229.343578][ T6620]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  229.343603][ T6620]  gfs2_get_tree+0x51/0x1e0
[  229.343625][ T6620]  vfs_get_tree+0x92/0x2b0
[  229.343647][ T6620]  do_new_mount+0x2a2/0xa30
[  229.343673][ T6620]  ? ns_capable+0x8a/0xf0
[  229.343697][ T6620]  ? __pfx_do_new_mount+0x10/0x10
[  229.343717][ T6620]  ? path_mount+0x61c/0xfe0
[  229.343737][ T6620]  ? user_path_at+0x44/0x60
[  229.343758][ T6620]  __se_sys_mount+0x317/0x410
[  229.343784][ T6620]  ? __pfx___se_sys_mount+0x10/0x10
[  229.343809][ T6620]  ? rcu_is_watching+0x15/0xb0
[  229.343843][ T6620]  ? __x64_sys_mount+0x20/0xc0
[  229.343867][ T6620]  do_syscall_64+0xfa/0xfa0
[  229.343889][ T6620]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.343909][ T6620]  ? clear_bhb_loop+0x60/0xb0
[  229.343929][ T6620]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  229.343948][ T6620] RIP: 0033:0x7f0c1a99038a
[  229.343977][ T6620] 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
[  229.343995][ T6620] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.344019][ T6620] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  229.344034][ T6620] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  229.344048][ T6620] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  229.344061][ T6620] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  229.344074][ T6620] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  229.344094][ T6620]  </TASK>
[  229.344219][ T6620] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.675286][ T6620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.012373][ T6623] loop1: detected capacity change from 0 to 32768
[  230.027738][ T6623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.035263][ T6623] CPU: 1 UID: 0 PID: 6623 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full) 
[  230.035291][ T6623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.035302][ T6623] Call Trace:
[  230.035310][ T6623]  <TASK>
[  230.035318][ T6623]  dump_stack_lvl+0x189/0x250
[  230.035348][ T6623]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.035370][ T6623]  ? __pfx__printk+0x10/0x10
[  230.035393][ T6623]  ? kernfs_root+0x1c/0x230
[  230.035412][ T6623]  ? kernfs_path_from_node+0x250/0x290
[  230.035427][ T6623]  ? kernfs_path_from_node+0x2f/0x290
[  230.035445][ T6623]  sysfs_create_dir_ns+0x259/0x280
[  230.035473][ T6623]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.035501][ T6623]  ? do_raw_spin_unlock+0x122/0x240
[  230.035522][ T6623]  kobject_add_internal+0x59f/0xb40
[  230.035550][ T6623]  kobject_init_and_add+0x125/0x190
[  230.035575][ T6623]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.035597][ T6623]  ? __raw_spin_lock_init+0x45/0x100
[  230.035617][ T6623]  ? __init_swait_queue_head+0xa9/0x150
[  230.035637][ T6623]  gfs2_sys_fs_add+0x234/0x450
[  230.035663][ T6623]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.035688][ T6623]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.035714][ T6623]  gfs2_fill_super+0x13c0/0x20d0
[  230.035742][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.035764][ T6623]  ? sb_set_blocksize+0x104/0x180
[  230.035789][ T6623]  ? setup_bdev_super+0x4c1/0x5b0
[  230.035812][ T6623]  get_tree_bdev_flags+0x40e/0x4d0
[  230.035834][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.035852][ T6623]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.035878][ T6623]  gfs2_get_tree+0x51/0x1e0
[  230.035900][ T6623]  vfs_get_tree+0x92/0x2b0
[  230.035933][ T6623]  do_new_mount+0x2a2/0xa30
[  230.035957][ T6623]  ? ns_capable+0x8a/0xf0
[  230.035982][ T6623]  ? __pfx_do_new_mount+0x10/0x10
[  230.036005][ T6623]  ? path_mount+0x61c/0xfe0
[  230.036026][ T6623]  ? user_path_at+0x44/0x60
[  230.036048][ T6623]  __se_sys_mount+0x317/0x410
[  230.036073][ T6623]  ? __pfx___se_sys_mount+0x10/0x10
[  230.036098][ T6623]  ? rcu_is_watching+0x15/0xb0
[  230.036123][ T6623]  ? __x64_sys_mount+0x20/0xc0
[  230.036147][ T6623]  do_syscall_64+0xfa/0xfa0
[  230.036170][ T6623]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.036188][ T6623]  ? clear_bhb_loop+0x60/0xb0
[  230.036207][ T6623]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.036225][ T6623] RIP: 0033:0x7f0c1a99038a
[  230.036242][ T6623] 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
[  230.036259][ T6623] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.036281][ T6623] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  230.036296][ T6623] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  230.036310][ T6623] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  230.036323][ T6623] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  230.036335][ T6623] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  230.036356][ T6623]  </TASK>
[  230.036377][ T6623] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.354335][ T6623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.704130][ T6626] loop1: detected capacity change from 0 to 32768
[  230.716962][ T6626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.724919][ T6626] CPU: 1 UID: 0 PID: 6626 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full) 
[  230.724949][ T6626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  230.724962][ T6626] Call Trace:
[  230.724982][ T6626]  <TASK>
[  230.724991][ T6626]  dump_stack_lvl+0x189/0x250
[  230.725023][ T6626]  ? __pfx_dump_stack_lvl+0x10/0x10
[  230.725045][ T6626]  ? __pfx__printk+0x10/0x10
[  230.725069][ T6626]  ? kernfs_root+0x1c/0x230
[  230.725090][ T6626]  ? kernfs_path_from_node+0x250/0x290
[  230.725106][ T6626]  ? kernfs_path_from_node+0x2f/0x290
[  230.725124][ T6626]  sysfs_create_dir_ns+0x259/0x280
[  230.725152][ T6626]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  230.725179][ T6626]  ? do_raw_spin_unlock+0x122/0x240
[  230.725199][ T6626]  kobject_add_internal+0x59f/0xb40
[  230.725226][ T6626]  kobject_init_and_add+0x125/0x190
[  230.725250][ T6626]  ? __pfx_kobject_init_and_add+0x10/0x10
[  230.725271][ T6626]  ? __raw_spin_lock_init+0x45/0x100
[  230.725289][ T6626]  ? __init_swait_queue_head+0xa9/0x150
[  230.725308][ T6626]  gfs2_sys_fs_add+0x234/0x450
[  230.725335][ T6626]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  230.725360][ T6626]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  230.725384][ T6626]  gfs2_fill_super+0x13c0/0x20d0
[  230.725411][ T6626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.725433][ T6626]  ? sb_set_blocksize+0x104/0x180
[  230.725458][ T6626]  ? setup_bdev_super+0x4c1/0x5b0
[  230.725482][ T6626]  get_tree_bdev_flags+0x40e/0x4d0
[  230.725502][ T6626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  230.725521][ T6626]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  230.725547][ T6626]  gfs2_get_tree+0x51/0x1e0
[  230.725568][ T6626]  vfs_get_tree+0x92/0x2b0
[  230.725588][ T6626]  do_new_mount+0x2a2/0xa30
[  230.725613][ T6626]  ? ns_capable+0x8a/0xf0
[  230.725639][ T6626]  ? __pfx_do_new_mount+0x10/0x10
[  230.725661][ T6626]  ? path_mount+0x61c/0xfe0
[  230.725682][ T6626]  ? user_path_at+0x44/0x60
[  230.725703][ T6626]  __se_sys_mount+0x317/0x410
[  230.725727][ T6626]  ? __pfx___se_sys_mount+0x10/0x10
[  230.725751][ T6626]  ? rcu_is_watching+0x15/0xb0
[  230.725776][ T6626]  ? __x64_sys_mount+0x20/0xc0
[  230.725798][ T6626]  do_syscall_64+0xfa/0xfa0
[  230.725821][ T6626]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.725839][ T6626]  ? clear_bhb_loop+0x60/0xb0
[  230.725859][ T6626]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  230.725878][ T6626] RIP: 0033:0x7f0c1a99038a
[  230.725898][ T6626] 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
[  230.725916][ T6626] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.725940][ T6626] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  230.725954][ T6626] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  230.725967][ T6626] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  230.725993][ T6626] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  230.726006][ T6626] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  230.726027][ T6626]  </TASK>
[  230.726089][ T6626] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.054715][ T6626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.403963][ T6629] loop1: detected capacity change from 0 to 32768
[  231.430111][ T6629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.438738][ T6629] CPU: 1 UID: 0 PID: 6629 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  231.438769][ T6629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  231.438782][ T6629] Call Trace:
[  231.438790][ T6629]  <TASK>
[  231.438798][ T6629]  dump_stack_lvl+0x189/0x250
[  231.438830][ T6629]  ? __pfx_dump_stack_lvl+0x10/0x10
[  231.438853][ T6629]  ? __pfx__printk+0x10/0x10
[  231.438878][ T6629]  ? kernfs_root+0x1c/0x230
[  231.438898][ T6629]  ? kernfs_path_from_node+0x250/0x290
[  231.438926][ T6629]  ? kernfs_path_from_node+0x2f/0x290
[  231.438945][ T6629]  sysfs_create_dir_ns+0x259/0x280
[  231.438973][ T6629]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  231.439001][ T6629]  ? do_raw_spin_unlock+0x122/0x240
[  231.439023][ T6629]  kobject_add_internal+0x59f/0xb40
[  231.439052][ T6629]  kobject_init_and_add+0x125/0x190
[  231.439076][ T6629]  ? __pfx_kobject_init_and_add+0x10/0x10
[  231.439099][ T6629]  ? __raw_spin_lock_init+0x45/0x100
[  231.439119][ T6629]  ? __init_swait_queue_head+0xa9/0x150
[  231.439139][ T6629]  gfs2_sys_fs_add+0x234/0x450
[  231.439166][ T6629]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  231.439194][ T6629]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  231.439221][ T6629]  gfs2_fill_super+0x13c0/0x20d0
[  231.439249][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.439270][ T6629]  ? sb_set_blocksize+0x104/0x180
[  231.439296][ T6629]  ? setup_bdev_super+0x4c1/0x5b0
[  231.439321][ T6629]  get_tree_bdev_flags+0x40e/0x4d0
[  231.439343][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  231.439363][ T6629]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  231.439389][ T6629]  gfs2_get_tree+0x51/0x1e0
[  231.439410][ T6629]  vfs_get_tree+0x92/0x2b0
[  231.439432][ T6629]  do_new_mount+0x2a2/0xa30
[  231.439458][ T6629]  ? ns_capable+0x8a/0xf0
[  231.439482][ T6629]  ? __pfx_do_new_mount+0x10/0x10
[  231.439505][ T6629]  ? path_mount+0x61c/0xfe0
[  231.439526][ T6629]  ? user_path_at+0x44/0x60
[  231.439547][ T6629]  __se_sys_mount+0x317/0x410
[  231.439573][ T6629]  ? __pfx___se_sys_mount+0x10/0x10
[  231.439598][ T6629]  ? rcu_is_watching+0x15/0xb0
[  231.439623][ T6629]  ? __x64_sys_mount+0x20/0xc0
[  231.439648][ T6629]  do_syscall_64+0xfa/0xfa0
[  231.439669][ T6629]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.439687][ T6629]  ? clear_bhb_loop+0x60/0xb0
[  231.439708][ T6629]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  231.439727][ T6629] RIP: 0033:0x7f0c1a99038a
[  231.439746][ T6629] 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
[  231.439763][ T6629] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.439786][ T6629] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  231.439801][ T6629] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  231.439815][ T6629] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  231.439827][ T6629] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  231.439840][ T6629] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  231.439862][ T6629]  </TASK>
[  231.439883][ T6629] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.764575][ T6629] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.110100][ T6632] loop1: detected capacity change from 0 to 32768
[  232.126265][ T6632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.133994][ T6632] CPU: 1 UID: 0 PID: 6632 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  232.134023][ T6632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  232.134034][ T6632] Call Trace:
[  232.134042][ T6632]  <TASK>
[  232.134049][ T6632]  dump_stack_lvl+0x189/0x250
[  232.134082][ T6632]  ? __pfx_dump_stack_lvl+0x10/0x10
[  232.134102][ T6632]  ? __pfx__printk+0x10/0x10
[  232.134124][ T6632]  ? kernfs_root+0x1c/0x230
[  232.134143][ T6632]  ? kernfs_path_from_node+0x250/0x290
[  232.134159][ T6632]  ? kernfs_path_from_node+0x2f/0x290
[  232.134175][ T6632]  sysfs_create_dir_ns+0x259/0x280
[  232.134202][ T6632]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  232.134225][ T6632]  ? do_raw_spin_unlock+0x122/0x240
[  232.134246][ T6632]  kobject_add_internal+0x59f/0xb40
[  232.134275][ T6632]  kobject_init_and_add+0x125/0x190
[  232.134300][ T6632]  ? __pfx_kobject_init_and_add+0x10/0x10
[  232.134323][ T6632]  ? __raw_spin_lock_init+0x45/0x100
[  232.134342][ T6632]  ? __init_swait_queue_head+0xa9/0x150
[  232.134361][ T6632]  gfs2_sys_fs_add+0x234/0x450
[  232.134387][ T6632]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  232.134413][ T6632]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  232.134438][ T6632]  gfs2_fill_super+0x13c0/0x20d0
[  232.134463][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.134481][ T6632]  ? sb_set_blocksize+0x104/0x180
[  232.134506][ T6632]  ? setup_bdev_super+0x4c1/0x5b0
[  232.134527][ T6632]  get_tree_bdev_flags+0x40e/0x4d0
[  232.134547][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.134566][ T6632]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  232.134589][ T6632]  gfs2_get_tree+0x51/0x1e0
[  232.134609][ T6632]  vfs_get_tree+0x92/0x2b0
[  232.134631][ T6632]  do_new_mount+0x2a2/0xa30
[  232.134656][ T6632]  ? ns_capable+0x8a/0xf0
[  232.134699][ T6632]  ? __pfx_do_new_mount+0x10/0x10
[  232.134720][ T6632]  ? path_mount+0x61c/0xfe0
[  232.134740][ T6632]  ? user_path_at+0x44/0x60
[  232.134759][ T6632]  __se_sys_mount+0x317/0x410
[  232.134788][ T6632]  ? __pfx___se_sys_mount+0x10/0x10
[  232.134810][ T6632]  ? rcu_is_watching+0x15/0xb0
[  232.134835][ T6632]  ? __x64_sys_mount+0x20/0xc0
[  232.134857][ T6632]  do_syscall_64+0xfa/0xfa0
[  232.134880][ T6632]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.134897][ T6632]  ? clear_bhb_loop+0x60/0xb0
[  232.134915][ T6632]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.134931][ T6632] RIP: 0033:0x7f0c1a99038a
[  232.134948][ T6632] 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
[  232.134963][ T6632] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.134985][ T6632] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  232.135000][ T6632] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  232.135014][ T6632] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  232.135027][ T6632] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  232.135040][ T6632] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  232.135058][ T6632]  </TASK>
[  232.449826][ T6632] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.483313][ T6632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.813417][ T6635] loop1: detected capacity change from 0 to 32768
[  232.837477][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.846440][ T6635] CPU: 0 UID: 0 PID: 6635 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  232.846467][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  232.846479][ T6635] Call Trace:
[  232.846486][ T6635]  <TASK>
[  232.846494][ T6635]  dump_stack_lvl+0x189/0x250
[  232.846526][ T6635]  ? __pfx_dump_stack_lvl+0x10/0x10
[  232.846548][ T6635]  ? __pfx__printk+0x10/0x10
[  232.846570][ T6635]  ? kernfs_root+0x1c/0x230
[  232.846582][ T6635]  ? kernfs_path_from_node+0x250/0x290
[  232.846592][ T6635]  ? kernfs_path_from_node+0x2f/0x290
[  232.846602][ T6635]  sysfs_create_dir_ns+0x259/0x280
[  232.846619][ T6635]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  232.846647][ T6635]  ? do_raw_spin_unlock+0x122/0x240
[  232.846660][ T6635]  kobject_add_internal+0x59f/0xb40
[  232.846678][ T6635]  kobject_init_and_add+0x125/0x190
[  232.846693][ T6635]  ? __pfx_kobject_init_and_add+0x10/0x10
[  232.846709][ T6635]  ? __raw_spin_lock_init+0x45/0x100
[  232.846721][ T6635]  ? __init_swait_queue_head+0xa9/0x150
[  232.846734][ T6635]  gfs2_sys_fs_add+0x234/0x450
[  232.846750][ T6635]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  232.846767][ T6635]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  232.846783][ T6635]  gfs2_fill_super+0x13c0/0x20d0
[  232.846800][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.846812][ T6635]  ? sb_set_blocksize+0x104/0x180
[  232.846829][ T6635]  ? setup_bdev_super+0x4c1/0x5b0
[  232.846843][ T6635]  get_tree_bdev_flags+0x40e/0x4d0
[  232.846856][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  232.846868][ T6635]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  232.846884][ T6635]  gfs2_get_tree+0x51/0x1e0
[  232.846896][ T6635]  vfs_get_tree+0x92/0x2b0
[  232.846909][ T6635]  do_new_mount+0x2a2/0xa30
[  232.846924][ T6635]  ? ns_capable+0x8a/0xf0
[  232.846940][ T6635]  ? __pfx_do_new_mount+0x10/0x10
[  232.846961][ T6635]  ? path_mount+0x61c/0xfe0
[  232.846973][ T6635]  ? user_path_at+0x44/0x60
[  232.846986][ T6635]  __se_sys_mount+0x317/0x410
[  232.847002][ T6635]  ? __pfx___se_sys_mount+0x10/0x10
[  232.847016][ T6635]  ? rcu_is_watching+0x15/0xb0
[  232.847033][ T6635]  ? __x64_sys_mount+0x20/0xc0
[  232.847047][ T6635]  do_syscall_64+0xfa/0xfa0
[  232.847061][ T6635]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.847072][ T6635]  ? clear_bhb_loop+0x60/0xb0
[  232.847084][ T6635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  232.847095][ T6635] RIP: 0033:0x7f0c1a99038a
[  232.847108][ T6635] 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
[  232.847119][ T6635] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.847134][ T6635] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  232.847142][ T6635] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  232.847151][ T6635] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  232.847159][ T6635] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  232.847166][ T6635] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  232.847179][ T6635]  </TASK>
[  232.855000][ T6635] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.184220][ T6635] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:49:28 executed programs: 187
[  233.525022][ T6638] loop1: detected capacity change from 0 to 32768
[  233.537100][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.545370][ T6638] CPU: 0 UID: 0 PID: 6638 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  233.545398][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  233.545410][ T6638] Call Trace:
[  233.545418][ T6638]  <TASK>
[  233.545425][ T6638]  dump_stack_lvl+0x189/0x250
[  233.545456][ T6638]  ? __pfx_dump_stack_lvl+0x10/0x10
[  233.545478][ T6638]  ? __pfx__printk+0x10/0x10
[  233.545500][ T6638]  ? kernfs_root+0x1c/0x230
[  233.545519][ T6638]  ? kernfs_path_from_node+0x250/0x290
[  233.545535][ T6638]  ? kernfs_path_from_node+0x2f/0x290
[  233.545553][ T6638]  sysfs_create_dir_ns+0x259/0x280
[  233.545579][ T6638]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  233.545605][ T6638]  ? do_raw_spin_unlock+0x122/0x240
[  233.545626][ T6638]  kobject_add_internal+0x59f/0xb40
[  233.545651][ T6638]  kobject_init_and_add+0x125/0x190
[  233.545674][ T6638]  ? __pfx_kobject_init_and_add+0x10/0x10
[  233.545696][ T6638]  ? __raw_spin_lock_init+0x45/0x100
[  233.545715][ T6638]  ? __init_swait_queue_head+0xa9/0x150
[  233.545734][ T6638]  gfs2_sys_fs_add+0x234/0x450
[  233.545760][ T6638]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  233.545786][ T6638]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  233.545811][ T6638]  gfs2_fill_super+0x13c0/0x20d0
[  233.545838][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.545858][ T6638]  ? sb_set_blocksize+0x104/0x180
[  233.545884][ T6638]  ? setup_bdev_super+0x4c1/0x5b0
[  233.545921][ T6638]  get_tree_bdev_flags+0x40e/0x4d0
[  233.545942][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  233.545961][ T6638]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  233.545986][ T6638]  gfs2_get_tree+0x51/0x1e0
[  233.546006][ T6638]  vfs_get_tree+0x92/0x2b0
[  233.546027][ T6638]  do_new_mount+0x2a2/0xa30
[  233.546051][ T6638]  ? ns_capable+0x8a/0xf0
[  233.546075][ T6638]  ? __pfx_do_new_mount+0x10/0x10
[  233.546096][ T6638]  ? path_mount+0x61c/0xfe0
[  233.546115][ T6638]  ? user_path_at+0x44/0x60
[  233.546134][ T6638]  __se_sys_mount+0x317/0x410
[  233.546158][ T6638]  ? __pfx___se_sys_mount+0x10/0x10
[  233.546183][ T6638]  ? rcu_is_watching+0x15/0xb0
[  233.546207][ T6638]  ? __x64_sys_mount+0x20/0xc0
[  233.546230][ T6638]  do_syscall_64+0xfa/0xfa0
[  233.546251][ T6638]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.546269][ T6638]  ? clear_bhb_loop+0x60/0xb0
[  233.546288][ T6638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  233.546306][ T6638] RIP: 0033:0x7f0c1a99038a
[  233.546324][ T6638] 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
[  233.546341][ T6638] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.546363][ T6638] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  233.546376][ T6638] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  233.546390][ T6638] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  233.546402][ T6638] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  233.546414][ T6638] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  233.546434][ T6638]  </TASK>
[  233.546454][ T6638] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.875538][ T6638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.215964][ T6641] loop1: detected capacity change from 0 to 32768
[  234.227477][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.235735][ T6641] CPU: 1 UID: 0 PID: 6641 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  234.235764][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  234.235777][ T6641] Call Trace:
[  234.235785][ T6641]  <TASK>
[  234.235793][ T6641]  dump_stack_lvl+0x189/0x250
[  234.235823][ T6641]  ? __pfx_dump_stack_lvl+0x10/0x10
[  234.235845][ T6641]  ? __pfx__printk+0x10/0x10
[  234.235867][ T6641]  ? kernfs_root+0x1c/0x230
[  234.235901][ T6641]  ? kernfs_path_from_node+0x250/0x290
[  234.235920][ T6641]  ? kernfs_path_from_node+0x2f/0x290
[  234.235940][ T6641]  sysfs_create_dir_ns+0x259/0x280
[  234.235969][ T6641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  234.235997][ T6641]  ? do_raw_spin_unlock+0x122/0x240
[  234.236020][ T6641]  kobject_add_internal+0x59f/0xb40
[  234.236048][ T6641]  kobject_init_and_add+0x125/0x190
[  234.236072][ T6641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  234.236096][ T6641]  ? __raw_spin_lock_init+0x45/0x100
[  234.236116][ T6641]  ? __init_swait_queue_head+0xa9/0x150
[  234.236135][ T6641]  gfs2_sys_fs_add+0x234/0x450
[  234.236161][ T6641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  234.236189][ T6641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  234.236216][ T6641]  gfs2_fill_super+0x13c0/0x20d0
[  234.236243][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.236265][ T6641]  ? sb_set_blocksize+0x104/0x180
[  234.236290][ T6641]  ? setup_bdev_super+0x4c1/0x5b0
[  234.236313][ T6641]  get_tree_bdev_flags+0x40e/0x4d0
[  234.236333][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.236352][ T6641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  234.236377][ T6641]  gfs2_get_tree+0x51/0x1e0
[  234.236397][ T6641]  vfs_get_tree+0x92/0x2b0
[  234.236419][ T6641]  do_new_mount+0x2a2/0xa30
[  234.236445][ T6641]  ? ns_capable+0x8a/0xf0
[  234.236470][ T6641]  ? __pfx_do_new_mount+0x10/0x10
[  234.236491][ T6641]  ? path_mount+0x61c/0xfe0
[  234.236512][ T6641]  ? user_path_at+0x44/0x60
[  234.236534][ T6641]  __se_sys_mount+0x317/0x410
[  234.236558][ T6641]  ? __pfx___se_sys_mount+0x10/0x10
[  234.236582][ T6641]  ? rcu_is_watching+0x15/0xb0
[  234.236607][ T6641]  ? __x64_sys_mount+0x20/0xc0
[  234.236629][ T6641]  do_syscall_64+0xfa/0xfa0
[  234.236660][ T6641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.236679][ T6641]  ? clear_bhb_loop+0x60/0xb0
[  234.236700][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.236717][ T6641] RIP: 0033:0x7f0c1a99038a
[  234.236735][ T6641] 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
[  234.236750][ T6641] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.236773][ T6641] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  234.236787][ T6641] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  234.236801][ T6641] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  234.236813][ T6641] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  234.236826][ T6641] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  234.236847][ T6641]  </TASK>
[  234.236869][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.564647][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.916072][ T6644] loop1: detected capacity change from 0 to 32768
[  234.928683][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.936675][ T6644] CPU: 1 UID: 0 PID: 6644 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  234.936704][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  234.936717][ T6644] Call Trace:
[  234.936725][ T6644]  <TASK>
[  234.936733][ T6644]  dump_stack_lvl+0x189/0x250
[  234.936766][ T6644]  ? __pfx_dump_stack_lvl+0x10/0x10
[  234.936787][ T6644]  ? __pfx__printk+0x10/0x10
[  234.936810][ T6644]  ? kernfs_root+0x1c/0x230
[  234.936869][ T6644]  ? kernfs_path_from_node+0x250/0x290
[  234.936887][ T6644]  ? kernfs_path_from_node+0x2f/0x290
[  234.936906][ T6644]  sysfs_create_dir_ns+0x259/0x280
[  234.936933][ T6644]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  234.936960][ T6644]  ? do_raw_spin_unlock+0x122/0x240
[  234.936981][ T6644]  kobject_add_internal+0x59f/0xb40
[  234.937009][ T6644]  kobject_init_and_add+0x125/0x190
[  234.937031][ T6644]  ? __pfx_kobject_init_and_add+0x10/0x10
[  234.937054][ T6644]  ? __raw_spin_lock_init+0x45/0x100
[  234.937073][ T6644]  ? __init_swait_queue_head+0xa9/0x150
[  234.937094][ T6644]  gfs2_sys_fs_add+0x234/0x450
[  234.937121][ T6644]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  234.937150][ T6644]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  234.937175][ T6644]  gfs2_fill_super+0x13c0/0x20d0
[  234.937201][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.937222][ T6644]  ? sb_set_blocksize+0x104/0x180
[  234.937246][ T6644]  ? setup_bdev_super+0x4c1/0x5b0
[  234.937270][ T6644]  get_tree_bdev_flags+0x40e/0x4d0
[  234.937291][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  234.937311][ T6644]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  234.937337][ T6644]  gfs2_get_tree+0x51/0x1e0
[  234.937357][ T6644]  vfs_get_tree+0x92/0x2b0
[  234.937379][ T6644]  do_new_mount+0x2a2/0xa30
[  234.937404][ T6644]  ? ns_capable+0x8a/0xf0
[  234.937430][ T6644]  ? __pfx_do_new_mount+0x10/0x10
[  234.937451][ T6644]  ? path_mount+0x61c/0xfe0
[  234.937471][ T6644]  ? user_path_at+0x44/0x60
[  234.937493][ T6644]  __se_sys_mount+0x317/0x410
[  234.937518][ T6644]  ? __pfx___se_sys_mount+0x10/0x10
[  234.937544][ T6644]  ? rcu_is_watching+0x15/0xb0
[  234.937569][ T6644]  ? __x64_sys_mount+0x20/0xc0
[  234.937590][ T6644]  do_syscall_64+0xfa/0xfa0
[  234.937612][ T6644]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.937630][ T6644]  ? clear_bhb_loop+0x60/0xb0
[  234.937650][ T6644]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  234.937667][ T6644] RIP: 0033:0x7f0c1a99038a
[  234.937685][ T6644] 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
[  234.937702][ T6644] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.937726][ T6644] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  234.937741][ T6644] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  234.937754][ T6644] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  234.937767][ T6644] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  234.937780][ T6644] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  234.937800][ T6644]  </TASK>
[  234.937823][ T6644] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.267478][ T6644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.611942][ T6647] loop1: detected capacity change from 0 to 32768
[  235.624958][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.632883][ T6647] CPU: 0 UID: 0 PID: 6647 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  235.632913][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  235.632924][ T6647] Call Trace:
[  235.632932][ T6647]  <TASK>
[  235.632940][ T6647]  dump_stack_lvl+0x189/0x250
[  235.632973][ T6647]  ? __pfx_dump_stack_lvl+0x10/0x10
[  235.632995][ T6647]  ? __pfx__printk+0x10/0x10
[  235.633018][ T6647]  ? kernfs_root+0x1c/0x230
[  235.633037][ T6647]  ? kernfs_path_from_node+0x250/0x290
[  235.633053][ T6647]  ? kernfs_path_from_node+0x2f/0x290
[  235.633071][ T6647]  sysfs_create_dir_ns+0x259/0x280
[  235.633099][ T6647]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  235.633127][ T6647]  ? do_raw_spin_unlock+0x122/0x240
[  235.633147][ T6647]  kobject_add_internal+0x59f/0xb40
[  235.633175][ T6647]  kobject_init_and_add+0x125/0x190
[  235.633200][ T6647]  ? __pfx_kobject_init_and_add+0x10/0x10
[  235.633224][ T6647]  ? __raw_spin_lock_init+0x45/0x100
[  235.633243][ T6647]  ? __init_swait_queue_head+0xa9/0x150
[  235.633264][ T6647]  gfs2_sys_fs_add+0x234/0x450
[  235.633290][ T6647]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  235.633318][ T6647]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  235.633344][ T6647]  gfs2_fill_super+0x13c0/0x20d0
[  235.633371][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.633391][ T6647]  ? sb_set_blocksize+0x104/0x180
[  235.633417][ T6647]  ? setup_bdev_super+0x4c1/0x5b0
[  235.633441][ T6647]  get_tree_bdev_flags+0x40e/0x4d0
[  235.633463][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  235.633482][ T6647]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  235.633508][ T6647]  gfs2_get_tree+0x51/0x1e0
[  235.633529][ T6647]  vfs_get_tree+0x92/0x2b0
[  235.633551][ T6647]  do_new_mount+0x2a2/0xa30
[  235.633576][ T6647]  ? ns_capable+0x8a/0xf0
[  235.633619][ T6647]  ? __pfx_do_new_mount+0x10/0x10
[  235.633642][ T6647]  ? path_mount+0x61c/0xfe0
[  235.633663][ T6647]  ? user_path_at+0x44/0x60
[  235.633684][ T6647]  __se_sys_mount+0x317/0x410
[  235.633709][ T6647]  ? __pfx___se_sys_mount+0x10/0x10
[  235.633733][ T6647]  ? rcu_is_watching+0x15/0xb0
[  235.633759][ T6647]  ? __x64_sys_mount+0x20/0xc0
[  235.633782][ T6647]  do_syscall_64+0xfa/0xfa0
[  235.633805][ T6647]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.633823][ T6647]  ? clear_bhb_loop+0x60/0xb0
[  235.633844][ T6647]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  235.633860][ T6647] RIP: 0033:0x7f0c1a99038a
[  235.633879][ T6647] 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
[  235.633895][ T6647] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.633919][ T6647] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  235.633934][ T6647] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  235.633948][ T6647] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  235.633961][ T6647] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  235.633972][ T6647] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  235.633993][ T6647]  </TASK>
[  235.634024][ T6647] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.962847][ T6647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.326415][ T6650] loop1: detected capacity change from 0 to 32768
[  236.338322][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.346242][ T6650] CPU: 0 UID: 0 PID: 6650 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  236.346272][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  236.346283][ T6650] Call Trace:
[  236.346291][ T6650]  <TASK>
[  236.346298][ T6650]  dump_stack_lvl+0x189/0x250
[  236.346327][ T6650]  ? __pfx_dump_stack_lvl+0x10/0x10
[  236.346347][ T6650]  ? __pfx__printk+0x10/0x10
[  236.346368][ T6650]  ? kernfs_root+0x1c/0x230
[  236.346386][ T6650]  ? kernfs_path_from_node+0x250/0x290
[  236.346400][ T6650]  ? kernfs_path_from_node+0x2f/0x290
[  236.346415][ T6650]  sysfs_create_dir_ns+0x259/0x280
[  236.346440][ T6650]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  236.346465][ T6650]  ? do_raw_spin_unlock+0x122/0x240
[  236.346485][ T6650]  kobject_add_internal+0x59f/0xb40
[  236.346511][ T6650]  kobject_init_and_add+0x125/0x190
[  236.346534][ T6650]  ? __pfx_kobject_init_and_add+0x10/0x10
[  236.346556][ T6650]  ? __raw_spin_lock_init+0x45/0x100
[  236.346573][ T6650]  ? __init_swait_queue_head+0xa9/0x150
[  236.346593][ T6650]  gfs2_sys_fs_add+0x234/0x450
[  236.346620][ T6650]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  236.346646][ T6650]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  236.346672][ T6650]  gfs2_fill_super+0x13c0/0x20d0
[  236.346698][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.346719][ T6650]  ? sb_set_blocksize+0x104/0x180
[  236.346743][ T6650]  ? setup_bdev_super+0x4c1/0x5b0
[  236.346765][ T6650]  get_tree_bdev_flags+0x40e/0x4d0
[  236.346786][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  236.346806][ T6650]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  236.346830][ T6650]  gfs2_get_tree+0x51/0x1e0
[  236.346864][ T6650]  vfs_get_tree+0x92/0x2b0
[  236.346885][ T6650]  do_new_mount+0x2a2/0xa30
[  236.346910][ T6650]  ? ns_capable+0x8a/0xf0
[  236.346934][ T6650]  ? __pfx_do_new_mount+0x10/0x10
[  236.346955][ T6650]  ? path_mount+0x61c/0xfe0
[  236.346976][ T6650]  ? user_path_at+0x44/0x60
[  236.346996][ T6650]  __se_sys_mount+0x317/0x410
[  236.347020][ T6650]  ? __pfx___se_sys_mount+0x10/0x10
[  236.347044][ T6650]  ? rcu_is_watching+0x15/0xb0
[  236.347068][ T6650]  ? __x64_sys_mount+0x20/0xc0
[  236.347090][ T6650]  do_syscall_64+0xfa/0xfa0
[  236.347113][ T6650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.347132][ T6650]  ? clear_bhb_loop+0x60/0xb0
[  236.347152][ T6650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  236.347168][ T6650] RIP: 0033:0x7f0c1a99038a
[  236.347185][ T6650] 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
[  236.347201][ T6650] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.347223][ T6650] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  236.347238][ T6650] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  236.347250][ T6650] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  236.347263][ T6650] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  236.347276][ T6650] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  236.347295][ T6650]  </TASK>
[  236.347317][ T6650] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.678803][ T6650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.033220][ T6654] loop1: detected capacity change from 0 to 32768
[  237.044727][ T6654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.053038][ T6654] CPU: 1 UID: 0 PID: 6654 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  237.053067][ T6654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  237.053080][ T6654] Call Trace:
[  237.053088][ T6654]  <TASK>
[  237.053096][ T6654]  dump_stack_lvl+0x189/0x250
[  237.053127][ T6654]  ? __pfx_dump_stack_lvl+0x10/0x10
[  237.053149][ T6654]  ? __pfx__printk+0x10/0x10
[  237.053172][ T6654]  ? kernfs_root+0x1c/0x230
[  237.053192][ T6654]  ? kernfs_path_from_node+0x250/0x290
[  237.053208][ T6654]  ? kernfs_path_from_node+0x2f/0x290
[  237.053226][ T6654]  sysfs_create_dir_ns+0x259/0x280
[  237.053253][ T6654]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  237.053280][ T6654]  ? do_raw_spin_unlock+0x122/0x240
[  237.053303][ T6654]  kobject_add_internal+0x59f/0xb40
[  237.053331][ T6654]  kobject_init_and_add+0x125/0x190
[  237.053356][ T6654]  ? __pfx_kobject_init_and_add+0x10/0x10
[  237.053378][ T6654]  ? __raw_spin_lock_init+0x45/0x100
[  237.053397][ T6654]  ? __init_swait_queue_head+0xa9/0x150
[  237.053416][ T6654]  gfs2_sys_fs_add+0x234/0x450
[  237.053458][ T6654]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  237.053486][ T6654]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  237.053512][ T6654]  gfs2_fill_super+0x13c0/0x20d0
[  237.053540][ T6654]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.053562][ T6654]  ? sb_set_blocksize+0x104/0x180
[  237.053587][ T6654]  ? setup_bdev_super+0x4c1/0x5b0
[  237.053625][ T6654]  get_tree_bdev_flags+0x40e/0x4d0
[  237.053647][ T6654]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.053666][ T6654]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  237.053692][ T6654]  gfs2_get_tree+0x51/0x1e0
[  237.053713][ T6654]  vfs_get_tree+0x92/0x2b0
[  237.053735][ T6654]  do_new_mount+0x2a2/0xa30
[  237.053760][ T6654]  ? ns_capable+0x8a/0xf0
[  237.053785][ T6654]  ? __pfx_do_new_mount+0x10/0x10
[  237.053807][ T6654]  ? path_mount+0x61c/0xfe0
[  237.053827][ T6654]  ? user_path_at+0x44/0x60
[  237.053846][ T6654]  __se_sys_mount+0x317/0x410
[  237.053871][ T6654]  ? __pfx___se_sys_mount+0x10/0x10
[  237.053895][ T6654]  ? rcu_is_watching+0x15/0xb0
[  237.053922][ T6654]  ? __x64_sys_mount+0x20/0xc0
[  237.053945][ T6654]  do_syscall_64+0xfa/0xfa0
[  237.053969][ T6654]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.053988][ T6654]  ? clear_bhb_loop+0x60/0xb0
[  237.054008][ T6654]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.054027][ T6654] RIP: 0033:0x7f0c1a99038a
[  237.054046][ T6654] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.054063][ T6654] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.054085][ T6654] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  237.054100][ T6654] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  237.054114][ T6654] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  237.054127][ T6654] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  237.054141][ T6654] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  237.054161][ T6654]  </TASK>
[  237.054184][ T6654] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.383284][ T6654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.734614][ T6658] loop1: detected capacity change from 0 to 32768
[  237.748587][ T6658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.761082][ T6658] CPU: 1 UID: 0 PID: 6658 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  237.761113][ T6658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  237.761125][ T6658] Call Trace:
[  237.761133][ T6658]  <TASK>
[  237.761141][ T6658]  dump_stack_lvl+0x189/0x250
[  237.761175][ T6658]  ? __pfx_dump_stack_lvl+0x10/0x10
[  237.761197][ T6658]  ? __pfx__printk+0x10/0x10
[  237.761220][ T6658]  ? kernfs_root+0x1c/0x230
[  237.761239][ T6658]  ? kernfs_path_from_node+0x250/0x290
[  237.761256][ T6658]  ? kernfs_path_from_node+0x2f/0x290
[  237.761275][ T6658]  sysfs_create_dir_ns+0x259/0x280
[  237.761303][ T6658]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  237.761331][ T6658]  ? do_raw_spin_unlock+0x122/0x240
[  237.761352][ T6658]  kobject_add_internal+0x59f/0xb40
[  237.761380][ T6658]  kobject_init_and_add+0x125/0x190
[  237.761403][ T6658]  ? __pfx_kobject_init_and_add+0x10/0x10
[  237.761424][ T6658]  ? __raw_spin_lock_init+0x45/0x100
[  237.761442][ T6658]  ? __init_swait_queue_head+0xa9/0x150
[  237.761461][ T6658]  gfs2_sys_fs_add+0x234/0x450
[  237.761487][ T6658]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  237.761516][ T6658]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  237.761542][ T6658]  gfs2_fill_super+0x13c0/0x20d0
[  237.761568][ T6658]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.761590][ T6658]  ? sb_set_blocksize+0x104/0x180
[  237.761615][ T6658]  ? setup_bdev_super+0x4c1/0x5b0
[  237.761636][ T6658]  get_tree_bdev_flags+0x40e/0x4d0
[  237.761657][ T6658]  ? __pfx_gfs2_fill_super+0x10/0x10
[  237.761678][ T6658]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  237.761704][ T6658]  gfs2_get_tree+0x51/0x1e0
[  237.761725][ T6658]  vfs_get_tree+0x92/0x2b0
[  237.761747][ T6658]  do_new_mount+0x2a2/0xa30
[  237.761772][ T6658]  ? ns_capable+0x8a/0xf0
[  237.761797][ T6658]  ? __pfx_do_new_mount+0x10/0x10
[  237.761818][ T6658]  ? path_mount+0x61c/0xfe0
[  237.761839][ T6658]  ? user_path_at+0x44/0x60
[  237.761858][ T6658]  __se_sys_mount+0x317/0x410
[  237.761896][ T6658]  ? __pfx___se_sys_mount+0x10/0x10
[  237.761922][ T6658]  ? rcu_is_watching+0x15/0xb0
[  237.761946][ T6658]  ? __x64_sys_mount+0x20/0xc0
[  237.761968][ T6658]  do_syscall_64+0xfa/0xfa0
[  237.761989][ T6658]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.762005][ T6658]  ? clear_bhb_loop+0x60/0xb0
[  237.762024][ T6658]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  237.762042][ T6658] RIP: 0033:0x7f0c1a99038a
[  237.762062][ 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
[  237.762078][ T6658] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.762101][ T6658] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  237.762116][ T6658] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  237.762131][ T6658] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  237.762144][ T6658] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  237.762156][ T6658] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  237.762176][ T6658]  </TASK>
[  237.762198][ 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.
[  238.086541][ T6658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.431308][ T6661] loop1: detected capacity change from 0 to 32768
[  238.453796][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.461743][ T6661] CPU: 0 UID: 0 PID: 6661 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  238.461772][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  238.461784][ T6661] Call Trace:
[  238.461792][ T6661]  <TASK>
[  238.461799][ T6661]  dump_stack_lvl+0x189/0x250
[  238.461829][ T6661]  ? __pfx_dump_stack_lvl+0x10/0x10
[  238.461850][ T6661]  ? __pfx__printk+0x10/0x10
[  238.461872][ T6661]  ? kernfs_root+0x1c/0x230
[  238.461890][ T6661]  ? kernfs_path_from_node+0x250/0x290
[  238.461905][ T6661]  ? kernfs_path_from_node+0x2f/0x290
[  238.461923][ T6661]  sysfs_create_dir_ns+0x259/0x280
[  238.461951][ T6661]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  238.461977][ T6661]  ? do_raw_spin_unlock+0x122/0x240
[  238.461999][ T6661]  kobject_add_internal+0x59f/0xb40
[  238.462027][ T6661]  kobject_init_and_add+0x125/0x190
[  238.462049][ T6661]  ? __pfx_kobject_init_and_add+0x10/0x10
[  238.462070][ T6661]  ? __raw_spin_lock_init+0x45/0x100
[  238.462087][ T6661]  ? __init_swait_queue_head+0xa9/0x150
[  238.462104][ T6661]  gfs2_sys_fs_add+0x234/0x450
[  238.462129][ T6661]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  238.462155][ T6661]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  238.462179][ T6661]  gfs2_fill_super+0x13c0/0x20d0
[  238.462204][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.462224][ T6661]  ? sb_set_blocksize+0x104/0x180
[  238.462248][ T6661]  ? setup_bdev_super+0x4c1/0x5b0
[  238.462269][ T6661]  get_tree_bdev_flags+0x40e/0x4d0
[  238.462289][ T6661]  ? __pfx_gfs2_fill_super+0x10/0x10
[  238.462309][ T6661]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  238.462334][ T6661]  gfs2_get_tree+0x51/0x1e0
[  238.462353][ T6661]  vfs_get_tree+0x92/0x2b0
[  238.462375][ T6661]  do_new_mount+0x2a2/0xa30
[  238.462400][ T6661]  ? ns_capable+0x8a/0xf0
[  238.462425][ T6661]  ? __pfx_do_new_mount+0x10/0x10
[  238.462447][ T6661]  ? path_mount+0x61c/0xfe0
[  238.462466][ T6661]  ? user_path_at+0x44/0x60
[  238.462488][ T6661]  __se_sys_mount+0x317/0x410
[  238.462511][ T6661]  ? __pfx___se_sys_mount+0x10/0x10
[  238.462537][ T6661]  ? rcu_is_watching+0x15/0xb0
[  238.462562][ T6661]  ? __x64_sys_mount+0x20/0xc0
[  238.462598][ T6661]  do_syscall_64+0xfa/0xfa0
[  238.462621][ T6661]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.462641][ T6661]  ? clear_bhb_loop+0x60/0xb0
[  238.462662][ T6661]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  238.462680][ T6661] RIP: 0033:0x7f0c1a99038a
[  238.462700][ 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
[  238.462717][ T6661] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.462741][ T6661] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  238.462756][ T6661] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  238.462769][ T6661] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  238.462782][ T6661] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  238.462795][ T6661] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  238.462816][ T6661]  </TASK>
[  238.462838][ 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.
[  238.793022][ T6661] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/25 07:49:34 executed programs: 195
[  239.151362][ T6665] loop1: detected capacity change from 0 to 32768
[  239.172208][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.180014][ T6665] CPU: 0 UID: 0 PID: 6665 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  239.180044][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  239.180056][ T6665] Call Trace:
[  239.180064][ T6665]  <TASK>
[  239.180071][ T6665]  dump_stack_lvl+0x189/0x250
[  239.180102][ T6665]  ? __pfx_dump_stack_lvl+0x10/0x10
[  239.180123][ T6665]  ? __pfx__printk+0x10/0x10
[  239.180147][ T6665]  ? kernfs_root+0x1c/0x230
[  239.180165][ T6665]  ? kernfs_path_from_node+0x250/0x290
[  239.180180][ T6665]  ? kernfs_path_from_node+0x2f/0x290
[  239.180198][ T6665]  sysfs_create_dir_ns+0x259/0x280
[  239.180224][ T6665]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  239.180249][ T6665]  ? do_raw_spin_unlock+0x122/0x240
[  239.180270][ T6665]  kobject_add_internal+0x59f/0xb40
[  239.180297][ T6665]  kobject_init_and_add+0x125/0x190
[  239.180320][ T6665]  ? __pfx_kobject_init_and_add+0x10/0x10
[  239.180342][ T6665]  ? __raw_spin_lock_init+0x45/0x100
[  239.180361][ T6665]  ? __init_swait_queue_head+0xa9/0x150
[  239.180379][ T6665]  gfs2_sys_fs_add+0x234/0x450
[  239.180405][ T6665]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  239.180432][ T6665]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  239.180457][ T6665]  gfs2_fill_super+0x13c0/0x20d0
[  239.180482][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.180503][ T6665]  ? sb_set_blocksize+0x104/0x180
[  239.180527][ T6665]  ? setup_bdev_super+0x4c1/0x5b0
[  239.180549][ T6665]  get_tree_bdev_flags+0x40e/0x4d0
[  239.180580][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  239.180599][ T6665]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  239.180623][ T6665]  gfs2_get_tree+0x51/0x1e0
[  239.180643][ T6665]  vfs_get_tree+0x92/0x2b0
[  239.180664][ T6665]  do_new_mount+0x2a2/0xa30
[  239.180687][ T6665]  ? ns_capable+0x8a/0xf0
[  239.180712][ T6665]  ? __pfx_do_new_mount+0x10/0x10
[  239.180732][ T6665]  ? path_mount+0x61c/0xfe0
[  239.180752][ T6665]  ? user_path_at+0x44/0x60
[  239.180772][ T6665]  __se_sys_mount+0x317/0x410
[  239.180795][ T6665]  ? __pfx___se_sys_mount+0x10/0x10
[  239.180818][ T6665]  ? rcu_is_watching+0x15/0xb0
[  239.180842][ T6665]  ? __x64_sys_mount+0x20/0xc0
[  239.180865][ T6665]  do_syscall_64+0xfa/0xfa0
[  239.180886][ T6665]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.180904][ T6665]  ? clear_bhb_loop+0x60/0xb0
[  239.180924][ T6665]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  239.180941][ T6665] RIP: 0033:0x7f0c1a99038a
[  239.180959][ T6665] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.180975][ T6665] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.180998][ T6665] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  239.181012][ T6665] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  239.181025][ T6665] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  239.181037][ T6665] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  239.181049][ T6665] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  239.181069][ T6665]  </TASK>
[  239.181090][ T6665] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.345117][   T31] INFO: task kworker/1:0:24 blocked for more than 143 seconds.
[  239.348802][ T6665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.353840][   T31]       Not tainted syzkaller #0
[  239.531396][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  239.540883][   T31] task:kworker/1:0     state:D stack:23592 pid:24    tgid:24    ppid:2      task_flags:0x4208060 flags:0x00004000
[  239.555840][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  239.562456][   T31] Call Trace:
[  239.565956][   T31]  <TASK>
[  239.569333][   T31]  __schedule+0x1798/0x4cc0
[  239.574157][   T31]  ? blk_mq_dispatch_queue_requests+0x552/0x800
[  239.581233][   T31]  ? lock_release+0x4b/0x3e0
[  239.586734][   T31]  ? __pfx___schedule+0x10/0x10
[  239.591984][   T31]  ? do_raw_spin_lock+0x121/0x290
[  239.597468][   T31]  ? schedule+0x91/0x360
[  239.601907][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.607479][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.612501][   T31]  ? lock_release+0x4b/0x3e0
[  239.618113][   T31]  ? schedule+0x91/0x360
[  239.622751][   T31]  ? wq_worker_sleeping+0x63/0x250
[  239.629026][   T31]  schedule+0x165/0x360
[  239.633478][   T31]  io_schedule+0x80/0xd0
[  239.638714][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  239.644055][   T31]  ? lock_release+0x4b/0x3e0
[  239.649661][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  239.656240][   T31]  ? seqcount_lockdep_reader_access+0x175/0x1c0
[  239.663025][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  239.670255][   T31]  ? __get_log_header+0x297/0x620
[  239.677442][   T31]  ? __filemap_get_folio+0x79f/0xaf0
[  239.683274][   T31]  gfs2_jhead_process_page+0x16e/0x650
[  239.692738][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  239.699837][   T31]  gfs2_find_jhead+0xc9e/0xe10
[  239.704671][   T31]  gfs2_recover_func+0x646/0x1d90
[  239.714076][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  239.720160][   T31]  ? cpuacct_charge+0x10e/0x320
[  239.725632][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  239.731162][   T31]  ? update_load_avg+0x572/0x1880
[  239.737537][   T31]  ? __switch_to+0xdc8/0x1690
[  239.742495][   T31]  ? do_raw_spin_lock+0x121/0x290
[  239.750235][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  239.757207][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.762222][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  239.768841][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  239.776873][   T31]  process_scheduled_works+0xae1/0x17b0
[  239.782504][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  239.790589][   T31]  worker_thread+0x8a0/0xda0
[  239.796083][   T31]  kthread+0x711/0x8a0
[  239.800196][   T31]  ? __pfx_worker_thread+0x10/0x10
[  239.806078][   T31]  ? __pfx_kthread+0x10/0x10
[  239.810730][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  239.817190][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  239.822469][   T31]  ? __pfx_kthread+0x10/0x10
[  239.830371][   T31]  ret_from_fork+0x47c/0x820
[  239.839590][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  239.846053][   T31]  ? __switch_to_asm+0x39/0x70
[  239.851058][   T31]  ? __switch_to_asm+0x33/0x70
[  239.857135][   T31]  ? __pfx_kthread+0x10/0x10
[  239.861777][   T31]  ret_from_fork_asm+0x1a/0x30
[  239.867669][   T31]  </TASK>
[  239.871184][   T31] INFO: task syz.0.21:6058 blocked for more than 143 seconds.
[  239.880753][   T31]       Not tainted syzkaller #0
[  239.887243][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  239.897417][   T31] task:syz.0.21        state:D stack:25160 pid:6058  tgid:6058  ppid:5974   task_flags:0x400140 flags:0x00004004
[  239.910476][   T31] Call Trace:
[  239.913807][   T31]  <TASK>
[  239.917512][   T31]  __schedule+0x1798/0x4cc0
[  239.922262][   T31]  ? __pfx_preempt_schedule_notrace+0x10/0x10
[  239.929175][   T31]  ? preempt_schedule+0xae/0xc0
[  239.934432][   T31]  ? __pfx___schedule+0x10/0x10
[  239.940173][   T31]  ? schedule+0x91/0x360
[  239.944573][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.950089][   T31]  ? rcu_is_watching+0x15/0xb0
[  239.955771][   T31]  ? lock_release+0x4b/0x3e0
[  239.960791][   T31]  schedule+0x165/0x360
[  239.965742][ T6668] loop1: detected capacity change from 0 to 32768
[  239.965930][   T31]  bit_wait+0x11/0xd0
[  239.979171][   T31]  __wait_on_bit+0xb6/0x310
[  239.984881][   T31]  ? __pfx_bit_wait+0x10/0x10
[  239.989773][   T31]  ? __pfx_bit_wait+0x10/0x10
[  239.995464][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  240.001429][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  240.008233][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  240.013793][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  240.019285][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.027736][ T6668] CPU: 0 UID: 0 PID: 6668 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  240.027761][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  240.027773][ T6668] Call Trace:
[  240.027781][ T6668]  <TASK>
[  240.027789][ T6668]  dump_stack_lvl+0x189/0x250
[  240.027819][ T6668]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.027840][ T6668]  ? __pfx__printk+0x10/0x10
[  240.027863][ T6668]  ? kernfs_root+0x1c/0x230
[  240.027882][ T6668]  ? kernfs_path_from_node+0x250/0x290
[  240.027898][ T6668]  ? kernfs_path_from_node+0x2f/0x290
[  240.027916][ T6668]  sysfs_create_dir_ns+0x259/0x280
[  240.027944][ T6668]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  240.027971][ T6668]  ? do_raw_spin_unlock+0x122/0x240
[  240.027993][ T6668]  kobject_add_internal+0x59f/0xb40
[  240.028020][ T6668]  kobject_init_and_add+0x125/0x190
[  240.028044][ T6668]  ? __pfx_kobject_init_and_add+0x10/0x10
[  240.028067][ T6668]  ? __raw_spin_lock_init+0x45/0x100
[  240.028086][ T6668]  ? __init_swait_queue_head+0xa9/0x150
[  240.028106][ T6668]  gfs2_sys_fs_add+0x234/0x450
[  240.028134][ T6668]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  240.028162][ T6668]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  240.028187][ T6668]  gfs2_fill_super+0x13c0/0x20d0
[  240.028214][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.028235][ T6668]  ? sb_set_blocksize+0x104/0x180
[  240.028260][ T6668]  ? setup_bdev_super+0x4c1/0x5b0
[  240.028283][ T6668]  get_tree_bdev_flags+0x40e/0x4d0
[  240.028304][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.028324][ T6668]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.028349][ T6668]  gfs2_get_tree+0x51/0x1e0
[  240.028370][ T6668]  vfs_get_tree+0x92/0x2b0
[  240.028392][ T6668]  do_new_mount+0x2a2/0xa30
[  240.028415][ T6668]  ? ns_capable+0x8a/0xf0
[  240.028441][ T6668]  ? __pfx_do_new_mount+0x10/0x10
[  240.028463][ T6668]  ? path_mount+0x61c/0xfe0
[  240.028481][ T6668]  ? user_path_at+0x44/0x60
[  240.028500][ T6668]  __se_sys_mount+0x317/0x410
[  240.028540][ T6668]  ? __pfx___se_sys_mount+0x10/0x10
[  240.028565][ T6668]  ? rcu_is_watching+0x15/0xb0
[  240.028590][ T6668]  ? __x64_sys_mount+0x20/0xc0
[  240.028613][ T6668]  do_syscall_64+0xfa/0xfa0
[  240.028636][ T6668]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.028655][ T6668]  ? clear_bhb_loop+0x60/0xb0
[  240.028676][ T6668]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.028694][ T6668] RIP: 0033:0x7f0c1a99038a
[  240.028713][ T6668] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.028730][ T6668] RSP: 002b:00007ffc5c4e50f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.028752][ T6668] RAX: ffffffffffffffda RBX: 00007ffc5c4e5180 RCX: 00007f0c1a99038a
[  240.028765][ T6668] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007ffc5c4e5140
[  240.028777][ T6668] RBP: 000020000001f680 R08: 00007ffc5c4e5180 R09: 0000000000000084
[  240.028789][ T6668] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  240.028802][ T6668] R13: 00007ffc5c4e5140 R14: 000000000001f81f R15: 00002000000001c0
[  240.028823][ T6668]  </TASK>
[  240.028843][ T6668] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.029110][   T31]  gfs2_recover_journal+0xda/0x140
[  240.038740][ T6668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.051860][   T31]  init_journal+0x17cc/0x2260
[  240.369406][   T31]  ? init_inodes+0xdb/0x320
[  240.374205][   T31]  ? __pfx_init_journal+0x10/0x10
[  240.379667][   T31]  ? snprintf+0xda/0x120
[  240.384041][   T31]  ? init_inodes+0xdb/0x320
[  240.389234][   T31]  ? __pfx_snprintf+0x10/0x10
[  240.394138][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  240.399479][   T31]  init_inodes+0xdb/0x320
[  240.403914][   T31]  gfs2_fill_super+0x1923/0x20d0
[  240.409056][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.414636][   T31]  ? init_locking+0xb8/0x210
[  240.419404][   T31]  ? sb_set_blocksize+0x104/0x180
[  240.424642][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  240.429878][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  240.435087][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  240.440515][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  240.446277][   T31]  gfs2_get_tree+0x51/0x1e0
[  240.451166][   T31]  vfs_get_tree+0x92/0x2b0
[  240.455940][   T31]  do_new_mount+0x2a2/0xa30
[  240.460889][   T31]  ? ns_capable+0x8a/0xf0
[  240.465596][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  240.471047][   T31]  ? path_mount+0x61c/0xfe0
[  240.475907][   T31]  ? user_path_at+0x44/0x60
[  240.480532][   T31]  __se_sys_mount+0x317/0x410
[  240.485339][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  240.490976][   T31]  ? rcu_is_watching+0x15/0xb0
[  240.496015][   T31]  ? __x64_sys_mount+0x20/0xc0
[  240.500895][   T31]  do_syscall_64+0xfa/0xfa0
[  240.505476][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.511821][   T31]  ? clear_bhb_loop+0x60/0xb0
[  240.516818][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.522915][   T31] RIP: 0033:0x7fbd07b9038a
[  240.528228][   T31] RSP: 002b:00007fff902cce18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.537642][   T31] RAX: ffffffffffffffda RBX: 00007fff902ccea0 RCX: 00007fbd07b9038a
[  240.546449][   T31] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007fff902cce60
[  240.556198][   T31] RBP: 000020000001f680 R08: 00007fff902ccea0 R09: 0000000000000084
[  240.566234][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  240.575815][   T31] R13: 00007fff902cce60 R14: 000000000001f81f R15: 00002000000001c0
[  240.584685][   T31]  </TASK>
[  240.588218][   T31] INFO: lockdep is turned off.
[  240.594113][   T31] NMI backtrace for cpu 1
[  240.594139][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  240.594162][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  240.594175][   T31] Call Trace:
[  240.594183][   T31]  <TASK>
[  240.594190][   T31]  dump_stack_lvl+0x189/0x250
[  240.594220][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.594241][   T31]  ? __pfx__printk+0x10/0x10
[  240.594266][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  240.594294][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  240.594320][   T31]  ? __pfx__printk+0x10/0x10
[  240.594344][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  240.594369][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  240.594396][   T31]  watchdog+0xf60/0xfa0
[  240.594419][   T31]  ? watchdog+0x1e2/0xfa0
[  240.594440][   T31]  kthread+0x711/0x8a0
[  240.594461][   T31]  ? __pfx_watchdog+0x10/0x10
[  240.594479][   T31]  ? __pfx_kthread+0x10/0x10
[  240.594498][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  240.594538][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  240.594559][   T31]  ? __pfx_kthread+0x10/0x10
[  240.594576][   T31]  ret_from_fork+0x47c/0x820
[  240.594603][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  240.594631][   T31]  ? __switch_to_asm+0x39/0x70
[  240.594655][   T31]  ? __switch_to_asm+0x33/0x70
[  240.594677][   T31]  ? __pfx_kthread+0x10/0x10
[  240.594695][   T31]  ret_from_fork_asm+0x1a/0x30
[  240.594724][   T31]  </TASK>
[  240.594732][   T31] Sending NMI from CPU 1 to CPUs 0:
[  240.683228][ T6674] loop1: detected capacity change from 0 to 32768
[  240.684123][    C0] NMI backtrace for cpu 0
[  240.684139][    C0] CPU: 0 UID: 0 PID: 6674 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  240.684157][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  240.684167][    C0] RIP: 0010:univ8250_console_write+0x0/0xa0
[  240.684197][    C0] Code: ff 4c 89 f7 e8 41 6c d2 fc e9 ad fc ff ff 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 41 57 41 56 53 89 d3 49 89 f6 49 89 ff e8 9a c2 6e fc
[  240.684211][    C0] RSP: 0018:ffffc900046c6b58 EFLAGS: 00000046
[  240.684228][    C0] RAX: 1ffffffff1d772a2 RBX: ffffffff81a1443a RCX: 398ed46f02534a00
[  240.684241][    C0] RDX: 0000000000000033 RSI: ffffffff99d168c0 RDI: ffffffff8ebb9500
[  240.684251][    C0] RBP: ffffc900046c6cb0 R08: 0000000000000001 R09: 0000000000000000
[  240.684262][    C0] R10: dffffc0000000000 R11: ffffffff8551cc20 R12: dffffc0000000000
[  240.684274][    C0] R13: 0000000000000001 R14: 0000000000000200 R15: ffffffff8ebb9500
[  240.684285][    C0] FS:  00005555562d3500(0000) GS:ffff8881259ff000(0000) knlGS:0000000000000000
[  240.684299][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  240.684310][    C0] CR2: 0000555bc3462168 CR3: 000000007b952000 CR4: 00000000003526f0
[  240.684328][    C0] Call Trace:
[  240.684335][    C0]  <TASK>
[  240.684342][    C0]  console_flush_all+0x725/0xc40
[  240.684361][    C0]  ? console_flush_all+0x13a/0xc40
[  240.684378][    C0]  ? __pfx_console_flush_all+0x10/0x10
[  240.684397][    C0]  ? is_printk_cpu_sync_owner+0x32/0x40
[  240.684415][    C0]  console_unlock+0xc4/0x270
[  240.684437][    C0]  ? __pfx_console_unlock+0x10/0x10
[  240.684479][    C0]  ? vprintk_emit+0x444/0x7a0
[  240.684501][    C0]  ? vprintk_emit+0x444/0x7a0
[  240.684520][    C0]  ? vprintk_emit+0x444/0x7a0
[  240.684540][    C0]  vprintk_emit+0x5b7/0x7a0
[  240.684559][    C0]  ? vprintk_emit+0x444/0x7a0
[  240.684580][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  240.684601][    C0]  ? shmem_huge_global_enabled+0x174/0x3a0
[  240.684622][    C0]  _printk+0xcf/0x120
[  240.684643][    C0]  ? __pfx__printk+0x10/0x10
[  240.684664][    C0]  ? do_raw_spin_unlock+0x122/0x240
[  240.684681][    C0]  set_capacity_and_notify+0x208/0x2d0
[  240.684706][    C0]  ? __pfx_set_capacity_and_notify+0x10/0x10
[  240.684726][    C0]  ? __pfx_internal_create_group+0x10/0x10
[  240.684752][    C0]  loop_set_size+0x44/0xb0
[  240.684787][    C0]  loop_configure+0x9f4/0xe50
[  240.684806][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.684820][    C0]  ? rcu_is_watching+0x15/0xb0
[  240.684846][    C0]  ? __pfx_loop_configure+0x10/0x10
[  240.684872][    C0]  ? __kernel_text_address+0xd/0x40
[  240.684889][    C0]  ? unwind_get_return_address+0x4d/0x90
[  240.684903][    C0]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  240.684925][    C0]  lo_ioctl+0x810/0x1b30
[  240.684948][    C0]  ? stack_trace_save+0x9c/0xe0
[  240.684965][    C0]  ? __pfx_stack_trace_save+0x10/0x10
[  240.684983][    C0]  ? __pfx_lo_ioctl+0x10/0x10
[  240.685004][    C0]  ? stack_depot_save_flags+0x40/0x860
[  240.685028][    C0]  ? vsnprintf+0xe3a/0xf00
[  240.685051][    C0]  ? kasan_save_track+0x4f/0x80
[  240.685067][    C0]  ? kasan_save_track+0x3e/0x80
[  240.685082][    C0]  ? __kasan_save_free_info+0x46/0x50
[  240.685101][    C0]  ? __kasan_slab_free+0x5b/0x80
[  240.685117][    C0]  ? kfree+0x18e/0x440
[  240.685132][    C0]  ? tomoyo_check_open_permission+0x2c2/0x3b0
[  240.685151][    C0]  ? security_file_open+0xb1/0x270
[  240.685167][    C0]  ? do_dentry_open+0x384/0x13f0
[  240.685187][    C0]  ? vfs_open+0x3b/0x340
[  240.685205][    C0]  ? path_openat+0x2ee5/0x3830
[  240.685220][    C0]  ? do_filp_open+0x1fa/0x410
[  240.685234][    C0]  ? do_sys_openat2+0x121/0x1c0
[  240.685253][    C0]  ? __x64_sys_openat+0x138/0x170
[  240.685266][    C0]  ? do_syscall_64+0xfa/0xfa0
[  240.685283][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.685302][    C0]  ? __mutex_trylock_common+0x153/0x260
[  240.685324][    C0]  ? __pfx___mutex_trylock_common+0x10/0x10
[  240.685347][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.685360][    C0]  ? rcu_is_watching+0x15/0xb0
[  240.685379][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.685393][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.685406][    C0]  ? rcu_is_watching+0x15/0xb0
[  240.685425][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.685440][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.685453][    C0]  ? rcu_is_watching+0x15/0xb0
[  240.685472][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.685485][    C0]  ? rcu_is_watching+0x15/0xb0
[  240.685504][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.685519][    C0]  ? unwind_next_frame+0xa5/0x2390
[  240.685532][    C0]  ? rcu_is_watching+0x15/0xb0
[  240.685552][    C0]  ? is_bpf_text_address+0x26/0x2b0
[  240.685570][    C0]  ? rcu_is_watching+0x15/0xb0
[  240.685590][    C0]  ? rcu_is_watching+0x15/0xb0
[  240.685609][    C0]  ? lock_release+0x4b/0x3e0
[  240.685625][    C0]  ? lock_release+0x4b/0x3e0
[  240.685644][    C0]  ? is_bpf_text_address+0x292/0x2b0
[  240.685662][    C0]  ? is_bpf_text_address+0x26/0x2b0
[  240.685681][    C0]  ? kernel_text_address+0xa5/0xe0
[  240.685698][    C0]  ? __kernel_text_address+0xd/0x40
[  240.685714][    C0]  ? unwind_get_return_address+0x4d/0x90
[  240.685728][    C0]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  240.685743][    C0]  ? arch_stack_walk+0xfc/0x150
[  240.685773][    C0]  ? stack_trace_save+0x9c/0xe0
[  240.685787][    C0]  ? __pfx_stack_trace_save+0x10/0x10
[  240.685802][    C0]  ? stack_depot_save_flags+0x40/0x860
[  240.685822][    C0]  ? kasan_save_track+0x4f/0x80
[  240.685836][    C0]  ? kasan_save_track+0x3e/0x80
[  240.685850][    C0]  ? __kasan_save_free_info+0x46/0x50
[  240.685870][    C0]  ? __kasan_slab_free+0x5b/0x80
[  240.685885][    C0]  ? kfree+0x18e/0x440
[  240.685898][    C0]  ? tomoyo_path_number_perm+0x47a/0x5a0
[  240.685915][    C0]  ? security_file_ioctl+0xcb/0x2d0
[  240.685931][    C0]  ? __se_sys_ioctl+0x47/0x170
[  240.685945][    C0]  ? do_syscall_64+0xfa/0xfa0
[  240.685960][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.685982][    C0]  ? __asan_memset+0x22/0x50
[  240.685996][    C0]  ? blk_get_meta_cap+0x140/0x710
[  240.686023][    C0]  ? __pfx_blkdev_common_ioctl+0x10/0x10
[  240.686044][    C0]  ? do_vfs_ioctl+0xbe8/0x1430
[  240.686057][    C0]  ? tomoyo_path_number_perm+0x1bc/0x5a0
[  240.686075][    C0]  ? __pfx_do_vfs_ioctl+0x10/0x10
[  240.686100][    C0]  ? __pfx_lo_ioctl+0x10/0x10
[  240.686118][    C0]  blkdev_ioctl+0x5a8/0x6d0
[  240.686138][    C0]  ? __pfx_blkdev_ioctl+0x10/0x10
[  240.686158][    C0]  ? bpf_lsm_file_ioctl+0x9/0x20
[  240.686175][    C0]  ? __pfx_blkdev_ioctl+0x10/0x10
[  240.686193][    C0]  __se_sys_ioctl+0xfc/0x170
[  240.686209][    C0]  do_syscall_64+0xfa/0xfa0
[  240.686225][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.686239][    C0]  ? clear_bhb_loop+0x60/0xb0
[  240.686256][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  240.686270][    C0] RIP: 0033:0x7f0c1a98e7eb
[  240.686284][    C0] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[  240.686297][    C0] RSP: 002b:00007ffc5c4e5050 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  240.686313][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0c1a98e7eb
[  240.686324][    C0] RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
[  240.686334][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f819
[  240.686344][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  240.686353][    C0] R13: 00007ffc5c4e5180 R14: 00007ffc5c4e5140 R15: 00007f0c11a00000
[  240.686370][    C0]  </TASK>
[  240.688085][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  240.688104][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  240.688124][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  240.688135][   T31] Call Trace:
[  240.688143][   T31]  <TASK>
[  240.688151][   T31]  dump_stack_lvl+0x99/0x250
[  240.688175][   T31]  ? __asan_memcpy+0x40/0x70
[  240.688192][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  240.688211][   T31]  ? __pfx__printk+0x10/0x10
[  240.688237][   T31]  vpanic+0x281/0x750
[  240.688257][   T31]  ? __pfx_vpanic+0x10/0x10
[  240.688276][   T31]  ? preempt_schedule+0xae/0xc0
[  240.688296][   T31]  ? preempt_schedule_common+0x83/0xd0
[  240.688316][   T31]  panic+0xb9/0xc0
[  240.688335][   T31]  ? __pfx_panic+0x10/0x10
[  240.688354][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  240.688372][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  240.688398][   T31]  watchdog+0xf9f/0xfa0
[  240.688420][   T31]  ? watchdog+0x1e2/0xfa0
[  240.688440][   T31]  kthread+0x711/0x8a0
[  240.688459][   T31]  ? __pfx_watchdog+0x10/0x10
[  240.688479][   T31]  ? __pfx_kthread+0x10/0x10
[  240.688496][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  240.688526][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  240.688545][   T31]  ? __pfx_kthread+0x10/0x10
[  240.688562][   T31]  ret_from_fork+0x47c/0x820
[  240.688586][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  240.688611][   T31]  ? __switch_to_asm+0x39/0x70
[  240.688632][   T31]  ? __switch_to_asm+0x33/0x70
[  240.688652][   T31]  ? __pfx_kthread+0x10/0x10
[  240.688669][   T31]  ret_from_fork_asm+0x1a/0x30
[  240.688697][   T31]  </TASK>
[  240.691561][   T31] Kernel Offset: disabled