x1368/0x20f0
[  252.794204][ T6544]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.794231][ T6544]  ? rt_spin_unlock+0x14f/0x200
[  252.794259][ T6544]  ? sb_set_blocksize+0x11b/0x210
[  252.794284][ T6544]  ? setup_bdev_super+0x4c1/0x5b0
[  252.794316][ T6544]  get_tree_bdev_flags+0x430/0x4f0
[  252.794346][ T6544]  ? __pfx_gfs2_fill_super+0x10/0x10
[  252.794376][ T6544]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  252.794414][ T6544]  gfs2_get_tree+0x51/0x1e0
[  252.794466][ T6544]  vfs_get_tree+0x92/0x2a0
[  252.794514][ T6544]  do_new_mount+0x319/0xdc0
[  252.794552][ T6544]  ? __pfx_do_new_mount+0x10/0x10
[  252.794580][ T6544]  ? ns_capable+0x89/0xe0
[  252.794610][ T6544]  ? path_mount+0x647/0x1040
[  252.794672][ T6544]  ? user_path_at+0xd4/0x160
[  252.794722][ T6544]  __se_sys_mount+0x31d/0x420
[  252.794761][ T6544]  ? __pfx___se_sys_mount+0x10/0x10
[  252.794813][ T6544]  ? __x64_sys_mount+0x20/0xc0
[  252.794837][ T6544]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.794861][ T6544]  do_syscall_64+0x174/0x580
[  252.794887][ T6544]  ? trace_irq_disable+0x3b/0x140
[  252.794915][ T6544]  ? clear_bhb_loop+0x40/0x90
[  252.794942][ T6544]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  252.794964][ T6544] RIP: 0033:0x7f7fbe4de0ca
[  252.794987][ T6544] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.795006][ T6544] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.795040][ T6544] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  252.795057][ T6544] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  252.795072][ T6544] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  252.795087][ T6544] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  252.795101][ T6544] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  252.795136][ T6544]  </TASK>
[  252.804693][ T6544] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.804716][ T6544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.402374][ T6547] loop1: detected capacity change from 0 to 32768
[  253.422903][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.422930][ T6547] CPU: 0 UID: 0 PID: 6547 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  253.422954][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  253.422967][ T6547] Call Trace:
[  253.422976][ T6547]  <TASK>
[  253.422986][ T6547]  dump_stack_lvl+0xe8/0x150
[  253.423023][ T6547]  sysfs_create_dir_ns+0x271/0x2a0
[  253.423048][ T6547]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  253.423074][ T6547]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  253.423103][ T6547]  ? rt_spin_unlock+0x160/0x200
[  253.423129][ T6547]  kobject_add_internal+0x62c/0xce0
[  253.423160][ T6547]  kobject_init_and_add+0x12b/0x1a0
[  253.423200][ T6547]  ? __pfx_kobject_init_and_add+0x10/0x10
[  253.423235][ T6547]  ? __raw_spin_lock_init+0x45/0x100
[  253.423264][ T6547]  ? __init_swait_queue_head+0xa8/0x150
[  253.423294][ T6547]  gfs2_sys_fs_add+0x257/0x480
[  253.423318][ T6547]  ? is_dynamic_key+0x1aa/0x1c0
[  253.423348][ T6547]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  253.423384][ T6547]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  253.423435][ T6547]  gfs2_fill_super+0x1368/0x20f0
[  253.423482][ T6547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.423542][ T6547]  ? rt_spin_unlock+0x14f/0x200
[  253.423572][ T6547]  ? sb_set_blocksize+0x11b/0x210
[  253.423599][ T6547]  ? setup_bdev_super+0x4c1/0x5b0
[  253.423632][ T6547]  get_tree_bdev_flags+0x430/0x4f0
[  253.423661][ T6547]  ? __pfx_gfs2_fill_super+0x10/0x10
[  253.423692][ T6547]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  253.423733][ T6547]  gfs2_get_tree+0x51/0x1e0
[  253.423768][ T6547]  vfs_get_tree+0x92/0x2a0
[  253.423799][ T6547]  do_new_mount+0x319/0xdc0
[  253.423829][ T6547]  ? __pfx_do_new_mount+0x10/0x10
[  253.423855][ T6547]  ? ns_capable+0x89/0xe0
[  253.423877][ T6547]  ? path_mount+0x647/0x1040
[  253.423907][ T6547]  ? user_path_at+0xd4/0x160
[  253.423934][ T6547]  __se_sys_mount+0x31d/0x420
[  253.423963][ T6547]  ? __pfx___se_sys_mount+0x10/0x10
[  253.423992][ T6547]  ? __x64_sys_mount+0x20/0xc0
[  253.424015][ T6547]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.424038][ T6547]  do_syscall_64+0x174/0x580
[  253.424065][ T6547]  ? trace_irq_disable+0x3b/0x140
[  253.424092][ T6547]  ? clear_bhb_loop+0x40/0x90
[  253.424118][ T6547]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  253.424139][ T6547] RIP: 0033:0x7f7fbe4de0ca
[  253.424160][ T6547] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.424177][ T6547] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.424200][ T6547] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  253.424210][ T6547] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  253.424219][ T6547] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  253.424227][ T6547] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  253.424235][ T6547] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  253.424255][ T6547]  </TASK>
[  253.431836][ T6547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.431864][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.036686][ T6551] loop1: detected capacity change from 0 to 32768
[  254.053583][ T6551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.053609][ T6551] CPU: 0 UID: 0 PID: 6551 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  254.053635][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  254.053648][ T6551] Call Trace:
[  254.053657][ T6551]  <TASK>
[  254.053666][ T6551]  dump_stack_lvl+0xe8/0x150
[  254.053702][ T6551]  sysfs_create_dir_ns+0x271/0x2a0
[  254.053726][ T6551]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  254.053751][ T6551]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.053779][ T6551]  ? rt_spin_unlock+0x160/0x200
[  254.053804][ T6551]  kobject_add_internal+0x62c/0xce0
[  254.053834][ T6551]  kobject_init_and_add+0x12b/0x1a0
[  254.053874][ T6551]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.053913][ T6551]  ? __raw_spin_lock_init+0x45/0x100
[  254.053940][ T6551]  ? __init_swait_queue_head+0xa8/0x150
[  254.053968][ T6551]  gfs2_sys_fs_add+0x257/0x480
[  254.053991][ T6551]  ? is_dynamic_key+0x1aa/0x1c0
[  254.054021][ T6551]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.054053][ T6551]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.054094][ T6551]  gfs2_fill_super+0x1368/0x20f0
[  254.054138][ T6551]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.054164][ T6551]  ? rt_spin_unlock+0x14f/0x200
[  254.054191][ T6551]  ? sb_set_blocksize+0x11b/0x210
[  254.054218][ T6551]  ? setup_bdev_super+0x4c1/0x5b0
[  254.054251][ T6551]  get_tree_bdev_flags+0x430/0x4f0
[  254.054281][ T6551]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.054311][ T6551]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.054372][ T6551]  gfs2_get_tree+0x51/0x1e0
[  254.054407][ T6551]  vfs_get_tree+0x92/0x2a0
[  254.054439][ T6551]  do_new_mount+0x319/0xdc0
[  254.054470][ T6551]  ? __pfx_do_new_mount+0x10/0x10
[  254.054496][ T6551]  ? ns_capable+0x89/0xe0
[  254.054520][ T6551]  ? path_mount+0x647/0x1040
[  254.054558][ T6551]  ? user_path_at+0xd4/0x160
[  254.054587][ T6551]  __se_sys_mount+0x31d/0x420
[  254.054618][ T6551]  ? __pfx___se_sys_mount+0x10/0x10
[  254.054650][ T6551]  ? __x64_sys_mount+0x20/0xc0
[  254.054672][ T6551]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.054696][ T6551]  do_syscall_64+0x174/0x580
[  254.054722][ T6551]  ? trace_irq_disable+0x3b/0x140
[  254.054751][ T6551]  ? clear_bhb_loop+0x40/0x90
[  254.054779][ T6551]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.054801][ T6551] RIP: 0033:0x7f7fbe4de0ca
[  254.054822][ T6551] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.054838][ T6551] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.054862][ T6551] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  254.054878][ T6551] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  254.054893][ T6551] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  254.054908][ T6551] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  254.054923][ T6551] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  254.054956][ T6551]  </TASK>
[  254.057500][ T6551] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.057519][ T6551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.691845][ T6554] loop1: detected capacity change from 0 to 32768
[  254.701346][ T6554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.701371][ T6554] CPU: 0 UID: 0 PID: 6554 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  254.701395][ T6554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  254.701406][ T6554] Call Trace:
[  254.701414][ T6554]  <TASK>
[  254.701422][ T6554]  dump_stack_lvl+0xe8/0x150
[  254.701455][ T6554]  sysfs_create_dir_ns+0x271/0x2a0
[  254.701477][ T6554]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  254.701501][ T6554]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  254.701527][ T6554]  ? rt_spin_unlock+0x160/0x200
[  254.701550][ T6554]  kobject_add_internal+0x62c/0xce0
[  254.701577][ T6554]  kobject_init_and_add+0x12b/0x1a0
[  254.701612][ T6554]  ? __pfx_kobject_init_and_add+0x10/0x10
[  254.701643][ T6554]  ? __raw_spin_lock_init+0x45/0x100
[  254.701669][ T6554]  ? __init_swait_queue_head+0xa8/0x150
[  254.701695][ T6554]  gfs2_sys_fs_add+0x257/0x480
[  254.701718][ T6554]  ? is_dynamic_key+0x1aa/0x1c0
[  254.701745][ T6554]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  254.701776][ T6554]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  254.701818][ T6554]  gfs2_fill_super+0x1368/0x20f0
[  254.701858][ T6554]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.701883][ T6554]  ? rt_spin_unlock+0x14f/0x200
[  254.701907][ T6554]  ? sb_set_blocksize+0x11b/0x210
[  254.701931][ T6554]  ? setup_bdev_super+0x4c1/0x5b0
[  254.701961][ T6554]  get_tree_bdev_flags+0x430/0x4f0
[  254.701987][ T6554]  ? __pfx_gfs2_fill_super+0x10/0x10
[  254.702021][ T6554]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  254.702058][ T6554]  gfs2_get_tree+0x51/0x1e0
[  254.702088][ T6554]  vfs_get_tree+0x92/0x2a0
[  254.702116][ T6554]  do_new_mount+0x319/0xdc0
[  254.702143][ T6554]  ? __pfx_do_new_mount+0x10/0x10
[  254.702167][ T6554]  ? ns_capable+0x89/0xe0
[  254.702188][ T6554]  ? path_mount+0x647/0x1040
[  254.702212][ T6554]  ? user_path_at+0xd4/0x160
[  254.702238][ T6554]  __se_sys_mount+0x31d/0x420
[  254.702266][ T6554]  ? __pfx___se_sys_mount+0x10/0x10
[  254.702309][ T6554]  ? __x64_sys_mount+0x20/0xc0
[  254.702330][ T6554]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.702351][ T6554]  do_syscall_64+0x174/0x580
[  254.702375][ T6554]  ? trace_irq_disable+0x3b/0x140
[  254.702400][ T6554]  ? clear_bhb_loop+0x40/0x90
[  254.702424][ T6554]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  254.702442][ T6554] RIP: 0033:0x7f7fbe4de0ca
[  254.702462][ T6554] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.702477][ T6554] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.702499][ T6554] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  254.702513][ T6554] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  254.702527][ T6554] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  254.702540][ T6554] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  254.702553][ T6554] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  254.702584][ T6554]  </TASK>
[  254.717597][ T6554] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.717620][ T6554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.341280][ T6557] loop1: detected capacity change from 0 to 32768
[  255.356020][ T6557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.356047][ T6557] CPU: 0 UID: 0 PID: 6557 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  255.356073][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  255.356086][ T6557] Call Trace:
[  255.356095][ T6557]  <TASK>
[  255.356105][ T6557]  dump_stack_lvl+0xe8/0x150
[  255.356139][ T6557]  sysfs_create_dir_ns+0x271/0x2a0
[  255.356164][ T6557]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  255.356190][ T6557]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.356219][ T6557]  ? rt_spin_unlock+0x160/0x200
2026/06/20 12:38:30 executed programs: 181
[  255.356245][ T6557]  kobject_add_internal+0x62c/0xce0
[  255.356275][ T6557]  kobject_init_and_add+0x12b/0x1a0
[  255.356327][ T6557]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.356362][ T6557]  ? __raw_spin_lock_init+0x45/0x100
[  255.356392][ T6557]  ? __init_swait_queue_head+0xa8/0x150
[  255.356422][ T6557]  gfs2_sys_fs_add+0x257/0x480
[  255.356447][ T6557]  ? is_dynamic_key+0x1aa/0x1c0
[  255.356477][ T6557]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.356513][ T6557]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.356560][ T6557]  gfs2_fill_super+0x1368/0x20f0
[  255.356607][ T6557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.356636][ T6557]  ? rt_spin_unlock+0x14f/0x200
[  255.356664][ T6557]  ? sb_set_blocksize+0x11b/0x210
[  255.356691][ T6557]  ? setup_bdev_super+0x4c1/0x5b0
[  255.356724][ T6557]  get_tree_bdev_flags+0x430/0x4f0
[  255.356755][ T6557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.356785][ T6557]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.356826][ T6557]  gfs2_get_tree+0x51/0x1e0
[  255.356861][ T6557]  vfs_get_tree+0x92/0x2a0
[  255.356893][ T6557]  do_new_mount+0x319/0xdc0
[  255.356924][ T6557]  ? __pfx_do_new_mount+0x10/0x10
[  255.356949][ T6557]  ? ns_capable+0x89/0xe0
[  255.356973][ T6557]  ? path_mount+0x647/0x1040
[  255.357001][ T6557]  ? user_path_at+0xd4/0x160
[  255.357030][ T6557]  __se_sys_mount+0x31d/0x420
[  255.357062][ T6557]  ? __pfx___se_sys_mount+0x10/0x10
[  255.357093][ T6557]  ? __x64_sys_mount+0x20/0xc0
[  255.357116][ T6557]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.357140][ T6557]  do_syscall_64+0x174/0x580
[  255.357167][ T6557]  ? trace_irq_disable+0x3b/0x140
[  255.357197][ T6557]  ? clear_bhb_loop+0x40/0x90
[  255.357225][ T6557]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.357247][ T6557] RIP: 0033:0x7f7fbe4de0ca
[  255.357268][ T6557] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.357294][ T6557] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.357318][ T6557] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  255.357335][ T6557] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  255.357350][ T6557] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  255.357365][ T6557] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  255.357379][ T6557] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  255.357414][ T6557]  </TASK>
[  255.359995][ 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.
[  255.360015][ T6557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.969546][ T6560] loop1: detected capacity change from 0 to 32768
[  255.982835][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.982861][ T6560] CPU: 0 UID: 0 PID: 6560 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  255.982887][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  255.982900][ T6560] Call Trace:
[  255.982909][ T6560]  <TASK>
[  255.982917][ T6560]  dump_stack_lvl+0xe8/0x150
[  255.982963][ T6560]  sysfs_create_dir_ns+0x271/0x2a0
[  255.982988][ T6560]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  255.983015][ T6560]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  255.983044][ T6560]  ? rt_spin_unlock+0x160/0x200
[  255.983070][ T6560]  kobject_add_internal+0x62c/0xce0
[  255.983100][ T6560]  kobject_init_and_add+0x12b/0x1a0
[  255.983140][ T6560]  ? __pfx_kobject_init_and_add+0x10/0x10
[  255.983176][ T6560]  ? __raw_spin_lock_init+0x45/0x100
[  255.983205][ T6560]  ? __init_swait_queue_head+0xa8/0x150
[  255.983238][ T6560]  gfs2_sys_fs_add+0x257/0x480
[  255.983263][ T6560]  ? is_dynamic_key+0x1aa/0x1c0
[  255.983292][ T6560]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  255.983326][ T6560]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  255.983369][ T6560]  gfs2_fill_super+0x1368/0x20f0
[  255.983415][ T6560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.983443][ T6560]  ? rt_spin_unlock+0x14f/0x200
[  255.983471][ T6560]  ? sb_set_blocksize+0x11b/0x210
[  255.983497][ T6560]  ? setup_bdev_super+0x4c1/0x5b0
[  255.983531][ T6560]  get_tree_bdev_flags+0x430/0x4f0
[  255.983561][ T6560]  ? __pfx_gfs2_fill_super+0x10/0x10
[  255.983592][ T6560]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  255.983632][ T6560]  gfs2_get_tree+0x51/0x1e0
[  255.983668][ T6560]  vfs_get_tree+0x92/0x2a0
[  255.983700][ T6560]  do_new_mount+0x319/0xdc0
[  255.983726][ T6560]  ? __pfx_do_new_mount+0x10/0x10
[  255.983749][ T6560]  ? ns_capable+0x89/0xe0
[  255.983771][ T6560]  ? path_mount+0x647/0x1040
[  255.983797][ T6560]  ? user_path_at+0xd4/0x160
[  255.983824][ T6560]  __se_sys_mount+0x31d/0x420
[  255.983853][ T6560]  ? __pfx___se_sys_mount+0x10/0x10
[  255.983884][ T6560]  ? __x64_sys_mount+0x20/0xc0
[  255.983906][ T6560]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.983937][ T6560]  do_syscall_64+0x174/0x580
[  255.983963][ T6560]  ? trace_irq_disable+0x3b/0x140
[  255.983989][ T6560]  ? clear_bhb_loop+0x40/0x90
[  255.984015][ T6560]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  255.984036][ T6560] RIP: 0033:0x7f7fbe4de0ca
[  255.984057][ T6560] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.984073][ T6560] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.984095][ T6560] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  255.984111][ T6560] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  255.984126][ T6560] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  255.984139][ T6560] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  255.984153][ T6560] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  255.984187][ T6560]  </TASK>
[  255.993449][ 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.
[  255.993470][ T6560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.046583][ T1332] ieee802154 phy0 wpan0: encryption failed: -22
[  256.046695][ T1332] ieee802154 phy1 wpan1: encryption failed: -22
[  256.637196][ T6563] loop1: detected capacity change from 0 to 32768
[  256.652486][ T6563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.652512][ T6563] CPU: 0 UID: 0 PID: 6563 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  256.652536][ T6563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  256.652549][ T6563] Call Trace:
[  256.652557][ T6563]  <TASK>
[  256.652566][ T6563]  dump_stack_lvl+0xe8/0x150
[  256.652599][ T6563]  sysfs_create_dir_ns+0x271/0x2a0
[  256.652624][ T6563]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  256.652649][ T6563]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  256.652677][ T6563]  ? rt_spin_unlock+0x160/0x200
[  256.652702][ T6563]  kobject_add_internal+0x62c/0xce0
[  256.652733][ T6563]  kobject_init_and_add+0x12b/0x1a0
[  256.652770][ T6563]  ? __pfx_kobject_init_and_add+0x10/0x10
[  256.652816][ T6563]  ? __raw_spin_lock_init+0x45/0x100
[  256.652845][ T6563]  ? __init_swait_queue_head+0xa8/0x150
[  256.652870][ T6563]  gfs2_sys_fs_add+0x257/0x480
[  256.652892][ T6563]  ? is_dynamic_key+0x1aa/0x1c0
[  256.652921][ T6563]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  256.652954][ T6563]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  256.652995][ T6563]  gfs2_fill_super+0x1368/0x20f0
[  256.653039][ T6563]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.653066][ T6563]  ? rt_spin_unlock+0x14f/0x200
[  256.653092][ T6563]  ? sb_set_blocksize+0x11b/0x210
[  256.653116][ T6563]  ? setup_bdev_super+0x4c1/0x5b0
[  256.653147][ T6563]  get_tree_bdev_flags+0x430/0x4f0
[  256.653176][ T6563]  ? __pfx_gfs2_fill_super+0x10/0x10
[  256.653206][ T6563]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  256.653244][ T6563]  gfs2_get_tree+0x51/0x1e0
[  256.653274][ T6563]  vfs_get_tree+0x92/0x2a0
[  256.653304][ T6563]  do_new_mount+0x319/0xdc0
[  256.653334][ T6563]  ? __pfx_do_new_mount+0x10/0x10
[  256.653358][ T6563]  ? ns_capable+0x89/0xe0
[  256.653380][ T6563]  ? path_mount+0x647/0x1040
[  256.653407][ T6563]  ? user_path_at+0xd4/0x160
[  256.653438][ T6563]  __se_sys_mount+0x31d/0x420
[  256.653467][ T6563]  ? __pfx___se_sys_mount+0x10/0x10
[  256.653499][ T6563]  ? __x64_sys_mount+0x20/0xc0
[  256.653522][ T6563]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.653547][ T6563]  do_syscall_64+0x174/0x580
[  256.653574][ T6563]  ? trace_irq_disable+0x3b/0x140
[  256.653603][ T6563]  ? clear_bhb_loop+0x40/0x90
[  256.653629][ T6563]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  256.653649][ T6563] RIP: 0033:0x7f7fbe4de0ca
[  256.653670][ T6563] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.653692][ T6563] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.653716][ T6563] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  256.653732][ T6563] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  256.653748][ T6563] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  256.653761][ T6563] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  256.653774][ T6563] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  256.653819][ T6563]  </TASK>
[  256.654151][ 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.
[  256.654170][ T6563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.257067][ T6566] loop1: detected capacity change from 0 to 32768
[  257.274066][ T6566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.274091][ T6566] CPU: 1 UID: 0 PID: 6566 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  257.274117][ T6566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  257.274130][ T6566] Call Trace:
[  257.274138][ T6566]  <TASK>
[  257.274147][ T6566]  dump_stack_lvl+0xe8/0x150
[  257.274180][ T6566]  sysfs_create_dir_ns+0x271/0x2a0
[  257.274203][ T6566]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  257.274226][ T6566]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.274254][ T6566]  ? rt_spin_unlock+0x160/0x200
[  257.274278][ T6566]  kobject_add_internal+0x62c/0xce0
[  257.274306][ T6566]  kobject_init_and_add+0x12b/0x1a0
[  257.274343][ T6566]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.274380][ T6566]  ? __raw_spin_lock_init+0x45/0x100
[  257.274408][ T6566]  ? __init_swait_queue_head+0xa8/0x150
[  257.274436][ T6566]  gfs2_sys_fs_add+0x257/0x480
[  257.274456][ T6566]  ? is_dynamic_key+0x1aa/0x1c0
[  257.274484][ T6566]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.274518][ T6566]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.274558][ T6566]  gfs2_fill_super+0x1368/0x20f0
[  257.274600][ T6566]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.274629][ T6566]  ? rt_spin_unlock+0x14f/0x200
[  257.274655][ T6566]  ? sb_set_blocksize+0x11b/0x210
[  257.274698][ T6566]  ? setup_bdev_super+0x4c1/0x5b0
[  257.274730][ T6566]  get_tree_bdev_flags+0x430/0x4f0
[  257.274760][ T6566]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.274788][ T6566]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.274826][ T6566]  gfs2_get_tree+0x51/0x1e0
[  257.274868][ T6566]  vfs_get_tree+0x92/0x2a0
[  257.274900][ T6566]  do_new_mount+0x319/0xdc0
[  257.274931][ T6566]  ? __pfx_do_new_mount+0x10/0x10
[  257.274954][ T6566]  ? ns_capable+0x89/0xe0
[  257.274975][ T6566]  ? path_mount+0x647/0x1040
[  257.275002][ T6566]  ? user_path_at+0xd4/0x160
[  257.275031][ T6566]  __se_sys_mount+0x31d/0x420
[  257.275062][ T6566]  ? __pfx___se_sys_mount+0x10/0x10
[  257.275093][ T6566]  ? __x64_sys_mount+0x20/0xc0
[  257.275131][ T6566]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.275154][ T6566]  do_syscall_64+0x174/0x580
[  257.275180][ T6566]  ? trace_irq_disable+0x3b/0x140
[  257.275207][ T6566]  ? clear_bhb_loop+0x40/0x90
[  257.275233][ T6566]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.275254][ T6566] RIP: 0033:0x7f7fbe4de0ca
[  257.275275][ T6566] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.275294][ T6566] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.275318][ T6566] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  257.275334][ T6566] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  257.275349][ T6566] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  257.275362][ T6566] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  257.275377][ T6566] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  257.275412][ T6566]  </TASK>
[  257.276213][ 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.
[  257.276235][ T6566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.925437][ T6569] loop1: detected capacity change from 0 to 32768
[  257.930282][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.930308][ T6569] CPU: 0 UID: 0 PID: 6569 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  257.930345][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  257.930358][ T6569] Call Trace:
[  257.930368][ T6569]  <TASK>
[  257.930377][ T6569]  dump_stack_lvl+0xe8/0x150
[  257.930415][ T6569]  sysfs_create_dir_ns+0x271/0x2a0
[  257.930440][ T6569]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  257.930466][ T6569]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  257.930496][ T6569]  ? rt_spin_unlock+0x160/0x200
[  257.930524][ T6569]  kobject_add_internal+0x62c/0xce0
[  257.930555][ T6569]  kobject_init_and_add+0x12b/0x1a0
[  257.930594][ T6569]  ? __pfx_kobject_init_and_add+0x10/0x10
[  257.930629][ T6569]  ? __raw_spin_lock_init+0x45/0x100
[  257.930659][ T6569]  ? __init_swait_queue_head+0xa8/0x150
[  257.930688][ T6569]  gfs2_sys_fs_add+0x257/0x480
[  257.930712][ T6569]  ? is_dynamic_key+0x1aa/0x1c0
[  257.930741][ T6569]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  257.930777][ T6569]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  257.930817][ T6569]  gfs2_fill_super+0x1368/0x20f0
[  257.930864][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.930893][ T6569]  ? rt_spin_unlock+0x14f/0x200
[  257.930920][ T6569]  ? sb_set_blocksize+0x11b/0x210
[  257.930947][ T6569]  ? setup_bdev_super+0x4c1/0x5b0
[  257.930981][ T6569]  get_tree_bdev_flags+0x430/0x4f0
[  257.931012][ T6569]  ? __pfx_gfs2_fill_super+0x10/0x10
[  257.931042][ T6569]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  257.931084][ T6569]  gfs2_get_tree+0x51/0x1e0
[  257.931119][ T6569]  vfs_get_tree+0x92/0x2a0
[  257.931153][ T6569]  do_new_mount+0x319/0xdc0
[  257.931184][ T6569]  ? __pfx_do_new_mount+0x10/0x10
[  257.931211][ T6569]  ? ns_capable+0x89/0xe0
[  257.931234][ T6569]  ? path_mount+0x647/0x1040
[  257.931262][ T6569]  ? user_path_at+0xd4/0x160
[  257.931291][ T6569]  __se_sys_mount+0x31d/0x420
[  257.931330][ T6569]  ? __pfx___se_sys_mount+0x10/0x10
[  257.931362][ T6569]  ? __x64_sys_mount+0x20/0xc0
[  257.931385][ T6569]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.931409][ T6569]  do_syscall_64+0x174/0x580
[  257.931436][ T6569]  ? trace_irq_disable+0x3b/0x140
[  257.931464][ T6569]  ? clear_bhb_loop+0x40/0x90
[  257.931491][ T6569]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  257.931513][ T6569] RIP: 0033:0x7f7fbe4de0ca
[  257.931534][ T6569] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.931552][ T6569] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.931577][ T6569] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  257.931593][ T6569] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  257.931609][ T6569] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  257.931624][ T6569] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  257.931640][ T6569] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  257.931677][ T6569]  </TASK>
[  257.950806][ 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.
[  257.950829][ T6569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.596885][ T6572] loop1: detected capacity change from 0 to 32768
[  258.618923][ T6572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.618949][ T6572] CPU: 1 UID: 0 PID: 6572 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  258.618977][ T6572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  258.618990][ T6572] Call Trace:
[  258.618998][ T6572]  <TASK>
[  258.619008][ T6572]  dump_stack_lvl+0xe8/0x150
[  258.619041][ T6572]  sysfs_create_dir_ns+0x271/0x2a0
[  258.619067][ T6572]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  258.619092][ T6572]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  258.619122][ T6572]  ? rt_spin_unlock+0x160/0x200
[  258.619148][ T6572]  kobject_add_internal+0x62c/0xce0
[  258.619178][ T6572]  kobject_init_and_add+0x12b/0x1a0
[  258.619218][ T6572]  ? __pfx_kobject_init_and_add+0x10/0x10
[  258.619256][ T6572]  ? __raw_spin_lock_init+0x45/0x100
[  258.619285][ T6572]  ? __init_swait_queue_head+0xa8/0x150
[  258.619314][ T6572]  gfs2_sys_fs_add+0x257/0x480
[  258.619348][ T6572]  ? is_dynamic_key+0x1aa/0x1c0
[  258.619378][ T6572]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  258.619414][ T6572]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  258.619459][ T6572]  gfs2_fill_super+0x1368/0x20f0
[  258.619505][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.619534][ T6572]  ? rt_spin_unlock+0x14f/0x200
[  258.619562][ T6572]  ? sb_set_blocksize+0x11b/0x210
[  258.619589][ T6572]  ? setup_bdev_super+0x4c1/0x5b0
[  258.619622][ T6572]  get_tree_bdev_flags+0x430/0x4f0
[  258.619656][ T6572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  258.619687][ T6572]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  258.619728][ T6572]  gfs2_get_tree+0x51/0x1e0
[  258.619763][ T6572]  vfs_get_tree+0x92/0x2a0
[  258.619795][ T6572]  do_new_mount+0x319/0xdc0
[  258.619826][ T6572]  ? __pfx_do_new_mount+0x10/0x10
[  258.619851][ T6572]  ? ns_capable+0x89/0xe0
[  258.619874][ T6572]  ? path_mount+0x647/0x1040
[  258.619901][ T6572]  ? user_path_at+0xd4/0x160
[  258.619929][ T6572]  __se_sys_mount+0x31d/0x420
[  258.619959][ T6572]  ? __pfx___se_sys_mount+0x10/0x10
[  258.619990][ T6572]  ? __x64_sys_mount+0x20/0xc0
[  258.620013][ T6572]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.620037][ T6572]  do_syscall_64+0x174/0x580
[  258.620064][ T6572]  ? trace_irq_disable+0x3b/0x140
[  258.620093][ T6572]  ? clear_bhb_loop+0x40/0x90
[  258.620119][ T6572]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  258.620140][ T6572] RIP: 0033:0x7f7fbe4de0ca
[  258.620161][ T6572] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.620179][ T6572] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.620204][ T6572] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  258.620221][ T6572] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  258.620236][ T6572] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  258.620251][ T6572] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  258.620266][ T6572] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  258.620301][ T6572]  </TASK>
[  258.623302][ 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.
[  258.623335][ T6572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.230681][ T6575] loop1: detected capacity change from 0 to 32768
[  259.247511][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.247537][ T6575] CPU: 1 UID: 0 PID: 6575 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  259.247561][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  259.247574][ T6575] Call Trace:
[  259.247582][ T6575]  <TASK>
[  259.247591][ T6575]  dump_stack_lvl+0xe8/0x150
[  259.247624][ T6575]  sysfs_create_dir_ns+0x271/0x2a0
[  259.247649][ T6575]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  259.247675][ T6575]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.247704][ T6575]  ? rt_spin_unlock+0x160/0x200
[  259.247728][ T6575]  kobject_add_internal+0x62c/0xce0
[  259.247757][ T6575]  kobject_init_and_add+0x12b/0x1a0
[  259.247791][ T6575]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.247826][ T6575]  ? __raw_spin_lock_init+0x45/0x100
[  259.247854][ T6575]  ? __init_swait_queue_head+0xa8/0x150
[  259.247880][ T6575]  gfs2_sys_fs_add+0x257/0x480
[  259.247903][ T6575]  ? is_dynamic_key+0x1aa/0x1c0
[  259.247933][ T6575]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.247973][ T6575]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.248025][ T6575]  gfs2_fill_super+0x1368/0x20f0
[  259.248069][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.248099][ T6575]  ? rt_spin_unlock+0x14f/0x200
[  259.248125][ T6575]  ? sb_set_blocksize+0x11b/0x210
[  259.248150][ T6575]  ? setup_bdev_super+0x4c1/0x5b0
[  259.248185][ T6575]  get_tree_bdev_flags+0x430/0x4f0
[  259.248214][ T6575]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.248244][ T6575]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.248284][ T6575]  gfs2_get_tree+0x51/0x1e0
[  259.248319][ T6575]  vfs_get_tree+0x92/0x2a0
[  259.248351][ T6575]  do_new_mount+0x319/0xdc0
[  259.248382][ T6575]  ? __pfx_do_new_mount+0x10/0x10
[  259.248409][ T6575]  ? ns_capable+0x89/0xe0
[  259.248433][ T6575]  ? path_mount+0x647/0x1040
[  259.248462][ T6575]  ? user_path_at+0xd4/0x160
[  259.248492][ T6575]  __se_sys_mount+0x31d/0x420
[  259.248522][ T6575]  ? __pfx___se_sys_mount+0x10/0x10
[  259.248554][ T6575]  ? __x64_sys_mount+0x20/0xc0
[  259.248578][ T6575]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.248603][ T6575]  do_syscall_64+0x174/0x580
[  259.248632][ T6575]  ? trace_irq_disable+0x3b/0x140
[  259.248661][ T6575]  ? clear_bhb_loop+0x40/0x90
[  259.248688][ T6575]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.248708][ T6575] RIP: 0033:0x7f7fbe4de0ca
[  259.248730][ T6575] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.248747][ T6575] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.248772][ T6575] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  259.248788][ T6575] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  259.248803][ T6575] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  259.248817][ T6575] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  259.248831][ T6575] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  259.248865][ T6575]  </TASK>
[  259.249149][ 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.
[  259.249169][ T6575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.880916][ T6578] loop1: detected capacity change from 0 to 32768
[  259.903109][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.903137][ T6578] CPU: 1 UID: 0 PID: 6578 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  259.903163][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  259.903177][ T6578] Call Trace:
[  259.903185][ T6578]  <TASK>
[  259.903195][ T6578]  dump_stack_lvl+0xe8/0x150
[  259.903231][ T6578]  sysfs_create_dir_ns+0x271/0x2a0
[  259.903258][ T6578]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  259.903283][ T6578]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  259.903312][ T6578]  ? rt_spin_unlock+0x160/0x200
[  259.903338][ T6578]  kobject_add_internal+0x62c/0xce0
[  259.903367][ T6578]  kobject_init_and_add+0x12b/0x1a0
[  259.903415][ T6578]  ? __pfx_kobject_init_and_add+0x10/0x10
[  259.903455][ T6578]  ? __raw_spin_lock_init+0x45/0x100
[  259.903485][ T6578]  ? __init_swait_queue_head+0xa8/0x150
[  259.903515][ T6578]  gfs2_sys_fs_add+0x257/0x480
[  259.903540][ T6578]  ? is_dynamic_key+0x1aa/0x1c0
[  259.903569][ T6578]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  259.903605][ T6578]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  259.903648][ T6578]  gfs2_fill_super+0x1368/0x20f0
[  259.903693][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.903723][ T6578]  ? rt_spin_unlock+0x14f/0x200
[  259.903749][ T6578]  ? sb_set_blocksize+0x11b/0x210
[  259.903776][ T6578]  ? setup_bdev_super+0x4c1/0x5b0
[  259.903809][ T6578]  get_tree_bdev_flags+0x430/0x4f0
[  259.903838][ T6578]  ? __pfx_gfs2_fill_super+0x10/0x10
[  259.903869][ T6578]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  259.903908][ T6578]  gfs2_get_tree+0x51/0x1e0
[  259.903941][ T6578]  vfs_get_tree+0x92/0x2a0
[  259.903972][ T6578]  do_new_mount+0x319/0xdc0
[  259.904003][ T6578]  ? __pfx_do_new_mount+0x10/0x10
[  259.904029][ T6578]  ? ns_capable+0x89/0xe0
[  259.904054][ T6578]  ? path_mount+0x647/0x1040
[  259.904079][ T6578]  ? user_path_at+0xd4/0x160
[  259.904109][ T6578]  __se_sys_mount+0x31d/0x420
[  259.904138][ T6578]  ? __pfx___se_sys_mount+0x10/0x10
[  259.904169][ T6578]  ? __x64_sys_mount+0x20/0xc0
[  259.904192][ T6578]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.904217][ T6578]  do_syscall_64+0x174/0x580
[  259.904244][ T6578]  ? trace_irq_disable+0x3b/0x140
[  259.904273][ T6578]  ? clear_bhb_loop+0x40/0x90
[  259.904298][ T6578]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  259.904317][ T6578] RIP: 0033:0x7f7fbe4de0ca
[  259.904338][ T6578] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.904355][ T6578] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.904387][ T6578] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  259.904403][ T6578] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  259.904419][ T6578] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  259.904434][ T6578] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  259.904447][ T6578] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  259.904477][ T6578]  </TASK>
[  259.910513][ 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.
[  259.910536][ T6578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.521857][ T6581] loop1: detected capacity change from 0 to 32768
[  260.535241][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.535267][ T6581] CPU: 1 UID: 0 PID: 6581 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
2026/06/20 12:38:35 executed programs: 189
[  260.535293][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  260.535306][ T6581] Call Trace:
[  260.535314][ T6581]  <TASK>
[  260.535323][ T6581]  dump_stack_lvl+0xe8/0x150
[  260.535359][ T6581]  sysfs_create_dir_ns+0x271/0x2a0
[  260.535385][ T6581]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  260.535411][ T6581]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  260.535441][ T6581]  ? rt_spin_unlock+0x160/0x200
[  260.535476][ T6581]  kobject_add_internal+0x62c/0xce0
[  260.535507][ T6581]  kobject_init_and_add+0x12b/0x1a0
[  260.535546][ T6581]  ? __pfx_kobject_init_and_add+0x10/0x10
[  260.535581][ T6581]  ? __raw_spin_lock_init+0x45/0x100
[  260.535610][ T6581]  ? __init_swait_queue_head+0xa8/0x150
[  260.535639][ T6581]  gfs2_sys_fs_add+0x257/0x480
[  260.535664][ T6581]  ? is_dynamic_key+0x1aa/0x1c0
[  260.535695][ T6581]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  260.535730][ T6581]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  260.535772][ T6581]  gfs2_fill_super+0x1368/0x20f0
[  260.535818][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.535846][ T6581]  ? rt_spin_unlock+0x14f/0x200
[  260.535874][ T6581]  ? sb_set_blocksize+0x11b/0x210
[  260.535901][ T6581]  ? setup_bdev_super+0x4c1/0x5b0
[  260.535932][ T6581]  get_tree_bdev_flags+0x430/0x4f0
[  260.535966][ T6581]  ? __pfx_gfs2_fill_super+0x10/0x10
[  260.535996][ T6581]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  260.536037][ T6581]  gfs2_get_tree+0x51/0x1e0
[  260.536071][ T6581]  vfs_get_tree+0x92/0x2a0
[  260.536103][ T6581]  do_new_mount+0x319/0xdc0
[  260.536132][ T6581]  ? __pfx_do_new_mount+0x10/0x10
[  260.536159][ T6581]  ? ns_capable+0x89/0xe0
[  260.536183][ T6581]  ? path_mount+0x647/0x1040
[  260.536210][ T6581]  ? user_path_at+0xd4/0x160
[  260.536240][ T6581]  __se_sys_mount+0x31d/0x420
[  260.536269][ T6581]  ? __pfx___se_sys_mount+0x10/0x10
[  260.536300][ T6581]  ? __x64_sys_mount+0x20/0xc0
[  260.536322][ T6581]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.536347][ T6581]  do_syscall_64+0x174/0x580
[  260.536373][ T6581]  ? trace_irq_disable+0x3b/0x140
[  260.536403][ T6581]  ? clear_bhb_loop+0x40/0x90
[  260.536430][ T6581]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  260.536451][ T6581] RIP: 0033:0x7f7fbe4de0ca
[  260.536483][ T6581] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.536502][ T6581] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.536528][ T6581] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  260.536544][ T6581] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  260.536559][ T6581] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  260.536573][ T6581] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  260.536587][ T6581] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  260.536622][ T6581]  </TASK>
[  260.537112][ 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.
[  260.537133][ T6581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.172008][ T6584] loop1: detected capacity change from 0 to 32768
[  261.183475][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.183501][ T6584] CPU: 0 UID: 0 PID: 6584 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  261.183528][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  261.183541][ T6584] Call Trace:
[  261.183550][ T6584]  <TASK>
[  261.183560][ T6584]  dump_stack_lvl+0xe8/0x150
[  261.183596][ T6584]  sysfs_create_dir_ns+0x271/0x2a0
[  261.183621][ T6584]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  261.183647][ T6584]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.183677][ T6584]  ? rt_spin_unlock+0x160/0x200
[  261.183703][ T6584]  kobject_add_internal+0x62c/0xce0
[  261.183733][ T6584]  kobject_init_and_add+0x12b/0x1a0
[  261.183773][ T6584]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.183809][ T6584]  ? __raw_spin_lock_init+0x45/0x100
[  261.183838][ T6584]  ? __init_swait_queue_head+0xa8/0x150
[  261.183868][ T6584]  gfs2_sys_fs_add+0x257/0x480
[  261.183893][ T6584]  ? is_dynamic_key+0x1aa/0x1c0
[  261.183925][ T6584]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.183959][ T6584]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.184000][ T6584]  gfs2_fill_super+0x1368/0x20f0
[  261.184040][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.184064][ T6584]  ? rt_spin_unlock+0x14f/0x200
[  261.184086][ T6584]  ? sb_set_blocksize+0x11b/0x210
[  261.184107][ T6584]  ? setup_bdev_super+0x4c1/0x5b0
[  261.184135][ T6584]  get_tree_bdev_flags+0x430/0x4f0
[  261.184159][ T6584]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.184184][ T6584]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.184220][ T6584]  gfs2_get_tree+0x51/0x1e0
[  261.184254][ T6584]  vfs_get_tree+0x92/0x2a0
[  261.184283][ T6584]  do_new_mount+0x319/0xdc0
[  261.184308][ T6584]  ? __pfx_do_new_mount+0x10/0x10
[  261.184346][ T6584]  ? ns_capable+0x89/0xe0
[  261.184368][ T6584]  ? path_mount+0x647/0x1040
[  261.184395][ T6584]  ? user_path_at+0xd4/0x160
[  261.184425][ T6584]  __se_sys_mount+0x31d/0x420
[  261.184455][ T6584]  ? __pfx___se_sys_mount+0x10/0x10
[  261.184485][ T6584]  ? __x64_sys_mount+0x20/0xc0
[  261.184507][ T6584]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.184531][ T6584]  do_syscall_64+0x174/0x580
[  261.184559][ T6584]  ? trace_irq_disable+0x3b/0x140
[  261.184586][ T6584]  ? clear_bhb_loop+0x40/0x90
[  261.184611][ T6584]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.184632][ T6584] RIP: 0033:0x7f7fbe4de0ca
[  261.184652][ T6584] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.184670][ T6584] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.184697][ T6584] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  261.184712][ T6584] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  261.184727][ T6584] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  261.184741][ T6584] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  261.184754][ T6584] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  261.184788][ T6584]  </TASK>
[  261.185878][ 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.
[  261.185898][ T6584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.800468][ T6587] loop1: detected capacity change from 0 to 32768
[  261.826729][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.826756][ T6587] CPU: 1 UID: 0 PID: 6587 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  261.826783][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  261.826794][ T6587] Call Trace:
[  261.826803][ T6587]  <TASK>
[  261.826813][ T6587]  dump_stack_lvl+0xe8/0x150
[  261.826848][ T6587]  sysfs_create_dir_ns+0x271/0x2a0
[  261.826874][ T6587]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  261.826901][ T6587]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  261.826930][ T6587]  ? rt_spin_unlock+0x160/0x200
[  261.826955][ T6587]  kobject_add_internal+0x62c/0xce0
[  261.826985][ T6587]  kobject_init_and_add+0x12b/0x1a0
[  261.827023][ T6587]  ? __pfx_kobject_init_and_add+0x10/0x10
[  261.827059][ T6587]  ? __raw_spin_lock_init+0x45/0x100
[  261.827088][ T6587]  ? __init_swait_queue_head+0xa8/0x150
[  261.827117][ T6587]  gfs2_sys_fs_add+0x257/0x480
[  261.827142][ T6587]  ? is_dynamic_key+0x1aa/0x1c0
[  261.827173][ T6587]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  261.827212][ T6587]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  261.827254][ T6587]  gfs2_fill_super+0x1368/0x20f0
[  261.827308][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.827337][ T6587]  ? rt_spin_unlock+0x14f/0x200
[  261.827363][ T6587]  ? sb_set_blocksize+0x11b/0x210
[  261.827389][ T6587]  ? setup_bdev_super+0x4c1/0x5b0
[  261.827423][ T6587]  get_tree_bdev_flags+0x430/0x4f0
[  261.827454][ T6587]  ? __pfx_gfs2_fill_super+0x10/0x10
[  261.827484][ T6587]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  261.827525][ T6587]  gfs2_get_tree+0x51/0x1e0
[  261.827560][ T6587]  vfs_get_tree+0x92/0x2a0
[  261.827591][ T6587]  do_new_mount+0x319/0xdc0
[  261.827623][ T6587]  ? __pfx_do_new_mount+0x10/0x10
[  261.827648][ T6587]  ? ns_capable+0x89/0xe0
[  261.827673][ T6587]  ? path_mount+0x647/0x1040
[  261.827700][ T6587]  ? user_path_at+0xd4/0x160
[  261.827727][ T6587]  __se_sys_mount+0x31d/0x420
[  261.827758][ T6587]  ? __pfx___se_sys_mount+0x10/0x10
[  261.827787][ T6587]  ? __x64_sys_mount+0x20/0xc0
[  261.827811][ T6587]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.827835][ T6587]  do_syscall_64+0x174/0x580
[  261.827864][ T6587]  ? trace_irq_disable+0x3b/0x140
[  261.827893][ T6587]  ? clear_bhb_loop+0x40/0x90
[  261.827920][ T6587]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  261.827942][ T6587] RIP: 0033:0x7f7fbe4de0ca
[  261.827963][ T6587] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.827983][ T6587] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.828007][ T6587] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  261.828024][ T6587] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  261.828039][ T6587] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  261.828055][ T6587] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  261.828069][ T6587] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  261.828104][ T6587]  </TASK>
[  261.828157][ 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.
[  261.828175][ T6587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.436401][ T6590] loop1: detected capacity change from 0 to 32768
[  262.448653][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.448677][ T6590] CPU: 0 UID: 0 PID: 6590 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  262.448703][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  262.448717][ T6590] Call Trace:
[  262.448726][ T6590]  <TASK>
[  262.448735][ T6590]  dump_stack_lvl+0xe8/0x150
[  262.448770][ T6590]  sysfs_create_dir_ns+0x271/0x2a0
[  262.448794][ T6590]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  262.448820][ T6590]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  262.448848][ T6590]  ? rt_spin_unlock+0x160/0x200
[  262.448874][ T6590]  kobject_add_internal+0x62c/0xce0
[  262.448903][ T6590]  kobject_init_and_add+0x12b/0x1a0
[  262.448951][ T6590]  ? __pfx_kobject_init_and_add+0x10/0x10
[  262.448987][ T6590]  ? __raw_spin_lock_init+0x45/0x100
[  262.449016][ T6590]  ? __init_swait_queue_head+0xa8/0x150
[  262.449050][ T6590]  gfs2_sys_fs_add+0x257/0x480
[  262.449075][ T6590]  ? is_dynamic_key+0x1aa/0x1c0
[  262.449102][ T6590]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  262.449139][ T6590]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  262.449182][ T6590]  gfs2_fill_super+0x1368/0x20f0
[  262.449239][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.449268][ T6590]  ? rt_spin_unlock+0x14f/0x200
[  262.449294][ T6590]  ? sb_set_blocksize+0x11b/0x210
[  262.449320][ T6590]  ? setup_bdev_super+0x4c1/0x5b0
[  262.449350][ T6590]  get_tree_bdev_flags+0x430/0x4f0
[  262.449379][ T6590]  ? __pfx_gfs2_fill_super+0x10/0x10
[  262.449408][ T6590]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  262.449448][ T6590]  gfs2_get_tree+0x51/0x1e0
[  262.449483][ T6590]  vfs_get_tree+0x92/0x2a0
[  262.449512][ T6590]  do_new_mount+0x319/0xdc0
[  262.449542][ T6590]  ? __pfx_do_new_mount+0x10/0x10
[  262.449567][ T6590]  ? ns_capable+0x89/0xe0
[  262.449590][ T6590]  ? path_mount+0x647/0x1040
[  262.449617][ T6590]  ? user_path_at+0xd4/0x160
[  262.449645][ T6590]  __se_sys_mount+0x31d/0x420
[  262.449676][ T6590]  ? __pfx___se_sys_mount+0x10/0x10
[  262.449709][ T6590]  ? __x64_sys_mount+0x20/0xc0
[  262.449732][ T6590]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.449756][ T6590]  do_syscall_64+0x174/0x580
[  262.449782][ T6590]  ? trace_irq_disable+0x3b/0x140
[  262.449811][ T6590]  ? clear_bhb_loop+0x40/0x90
[  262.449837][ T6590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  262.449858][ T6590] RIP: 0033:0x7f7fbe4de0ca
[  262.449880][ T6590] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.449898][ T6590] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.449923][ T6590] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  262.449981][ T6590] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  262.449996][ T6590] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  262.450011][ T6590] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  262.450025][ T6590] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  262.450060][ T6590]  </TASK>
[  262.450162][ 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.
[  262.450181][ T6590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.057150][ T6593] loop1: detected capacity change from 0 to 32768
[  263.086630][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.086648][ T6593] CPU: 1 UID: 0 PID: 6593 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  263.086664][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  263.086672][ T6593] Call Trace:
[  263.086677][ T6593]  <TASK>
[  263.086682][ T6593]  dump_stack_lvl+0xe8/0x150
[  263.086718][ T6593]  sysfs_create_dir_ns+0x271/0x2a0
[  263.086733][ T6593]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  263.086749][ T6593]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.086765][ T6593]  ? rt_spin_unlock+0x160/0x200
[  263.086779][ T6593]  kobject_add_internal+0x62c/0xce0
[  263.086796][ T6593]  kobject_init_and_add+0x12b/0x1a0
[  263.086824][ T6593]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.086849][ T6593]  ? __raw_spin_lock_init+0x45/0x100
[  263.086866][ T6593]  ? __init_swait_queue_head+0xa8/0x150
[  263.086882][ T6593]  gfs2_sys_fs_add+0x257/0x480
[  263.086896][ T6593]  ? is_dynamic_key+0x1aa/0x1c0
[  263.086913][ T6593]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.086932][ T6593]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.086969][ T6593]  gfs2_fill_super+0x1368/0x20f0
[  263.086994][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.087010][ T6593]  ? rt_spin_unlock+0x14f/0x200
[  263.087025][ T6593]  ? sb_set_blocksize+0x11b/0x210
[  263.087040][ T6593]  ? setup_bdev_super+0x4c1/0x5b0
[  263.087058][ T6593]  get_tree_bdev_flags+0x430/0x4f0
[  263.087075][ T6593]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.087092][ T6593]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.087115][ T6593]  gfs2_get_tree+0x51/0x1e0
[  263.087134][ T6593]  vfs_get_tree+0x92/0x2a0
[  263.087151][ T6593]  do_new_mount+0x319/0xdc0
[  263.087169][ T6593]  ? __pfx_do_new_mount+0x10/0x10
[  263.087183][ T6593]  ? ns_capable+0x89/0xe0
[  263.087197][ T6593]  ? path_mount+0x647/0x1040
[  263.087212][ T6593]  ? user_path_at+0xd4/0x160
[  263.087227][ T6593]  __se_sys_mount+0x31d/0x420
[  263.087244][ T6593]  ? __pfx___se_sys_mount+0x10/0x10
[  263.087262][ T6593]  ? __x64_sys_mount+0x20/0xc0
[  263.087275][ T6593]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.087288][ T6593]  do_syscall_64+0x174/0x580
[  263.087303][ T6593]  ? trace_irq_disable+0x3b/0x140
[  263.087319][ T6593]  ? clear_bhb_loop+0x40/0x90
[  263.087334][ T6593]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.087346][ T6593] RIP: 0033:0x7f7fbe4de0ca
[  263.087359][ T6593] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  263.087370][ T6593] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.087385][ T6593] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  263.087394][ T6593] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  263.087402][ T6593] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  263.087411][ T6593] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  263.087419][ T6593] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  263.087438][ T6593]  </TASK>
[  263.087455][ 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.
[  263.087466][ T6593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.694593][ T6596] loop1: detected capacity change from 0 to 32768
[  263.702340][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.702365][ T6596] CPU: 0 UID: 0 PID: 6596 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  263.702391][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  263.702413][ T6596] Call Trace:
[  263.702422][ T6596]  <TASK>
[  263.702431][ T6596]  dump_stack_lvl+0xe8/0x150
[  263.702466][ T6596]  sysfs_create_dir_ns+0x271/0x2a0
[  263.702488][ T6596]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  263.702514][ T6596]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  263.702542][ T6596]  ? rt_spin_unlock+0x160/0x200
[  263.702567][ T6596]  kobject_add_internal+0x62c/0xce0
[  263.702597][ T6596]  kobject_init_and_add+0x12b/0x1a0
[  263.702636][ T6596]  ? __pfx_kobject_init_and_add+0x10/0x10
[  263.702670][ T6596]  ? __raw_spin_lock_init+0x45/0x100
[  263.702698][ T6596]  ? __init_swait_queue_head+0xa8/0x150
[  263.702724][ T6596]  gfs2_sys_fs_add+0x257/0x480
[  263.702753][ T6596]  ? is_dynamic_key+0x1aa/0x1c0
[  263.702784][ T6596]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  263.702817][ T6596]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  263.702860][ T6596]  gfs2_fill_super+0x1368/0x20f0
[  263.702903][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.702932][ T6596]  ? rt_spin_unlock+0x14f/0x200
[  263.702958][ T6596]  ? sb_set_blocksize+0x11b/0x210
[  263.702985][ T6596]  ? setup_bdev_super+0x4c1/0x5b0
[  263.703020][ T6596]  get_tree_bdev_flags+0x430/0x4f0
[  263.703050][ T6596]  ? __pfx_gfs2_fill_super+0x10/0x10
[  263.703080][ T6596]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  263.703122][ T6596]  gfs2_get_tree+0x51/0x1e0
[  263.703155][ T6596]  vfs_get_tree+0x92/0x2a0
[  263.703186][ T6596]  do_new_mount+0x319/0xdc0
[  263.703217][ T6596]  ? __pfx_do_new_mount+0x10/0x10
[  263.703244][ T6596]  ? ns_capable+0x89/0xe0
[  263.703268][ T6596]  ? path_mount+0x647/0x1040
[  263.703294][ T6596]  ? user_path_at+0xd4/0x160
[  263.703323][ T6596]  __se_sys_mount+0x31d/0x420
[  263.703354][ T6596]  ? __pfx___se_sys_mount+0x10/0x10
[  263.703385][ T6596]  ? __x64_sys_mount+0x20/0xc0
[  263.703417][ T6596]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.703441][ T6596]  do_syscall_64+0x174/0x580
[  263.703469][ T6596]  ? trace_irq_disable+0x3b/0x140
[  263.703497][ T6596]  ? clear_bhb_loop+0x40/0x90
[  263.703524][ T6596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  263.703546][ T6596] RIP: 0033:0x7f7fbe4de0ca
[  263.703567][ T6596] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  263.703586][ T6596] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.703611][ T6596] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  263.703627][ T6596] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  263.703642][ T6596] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  263.703656][ T6596] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  263.703670][ T6596] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  263.703703][ T6596]  </TASK>
[  263.704354][ 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.
[  263.704374][ T6596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.320815][ T6599] loop1: detected capacity change from 0 to 32768
[  264.342052][ T6599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.342077][ T6599] CPU: 1 UID: 0 PID: 6599 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  264.342104][ T6599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  264.342118][ T6599] Call Trace:
[  264.342126][ T6599]  <TASK>
[  264.342136][ T6599]  dump_stack_lvl+0xe8/0x150
[  264.342173][ T6599]  sysfs_create_dir_ns+0x271/0x2a0
[  264.342198][ T6599]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  264.342225][ T6599]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.342255][ T6599]  ? rt_spin_unlock+0x160/0x200
[  264.342299][ T6599]  kobject_add_internal+0x62c/0xce0
[  264.342330][ T6599]  kobject_init_and_add+0x12b/0x1a0
[  264.342370][ T6599]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.342405][ T6599]  ? __raw_spin_lock_init+0x45/0x100
[  264.342434][ T6599]  ? __init_swait_queue_head+0xa8/0x150
[  264.342462][ T6599]  gfs2_sys_fs_add+0x257/0x480
[  264.342485][ T6599]  ? is_dynamic_key+0x1aa/0x1c0
[  264.342516][ T6599]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.342546][ T6599]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.342583][ T6599]  gfs2_fill_super+0x1368/0x20f0
[  264.342621][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.342644][ T6599]  ? rt_spin_unlock+0x14f/0x200
[  264.342666][ T6599]  ? sb_set_blocksize+0x11b/0x210
[  264.342688][ T6599]  ? setup_bdev_super+0x4c1/0x5b0
[  264.342715][ T6599]  get_tree_bdev_flags+0x430/0x4f0
[  264.342740][ T6599]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.342765][ T6599]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.342799][ T6599]  gfs2_get_tree+0x51/0x1e0
[  264.342827][ T6599]  vfs_get_tree+0x92/0x2a0
[  264.342852][ T6599]  do_new_mount+0x319/0xdc0
[  264.342877][ T6599]  ? __pfx_do_new_mount+0x10/0x10
[  264.342898][ T6599]  ? ns_capable+0x89/0xe0
[  264.342917][ T6599]  ? path_mount+0x647/0x1040
[  264.342939][ T6599]  ? user_path_at+0xd4/0x160
[  264.342963][ T6599]  __se_sys_mount+0x31d/0x420
[  264.342989][ T6599]  ? __pfx___se_sys_mount+0x10/0x10
[  264.343024][ T6599]  ? __x64_sys_mount+0x20/0xc0
[  264.343043][ T6599]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.343063][ T6599]  do_syscall_64+0x174/0x580
[  264.343085][ T6599]  ? trace_irq_disable+0x3b/0x140
[  264.343108][ T6599]  ? clear_bhb_loop+0x40/0x90
[  264.343130][ T6599]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.343147][ T6599] RIP: 0033:0x7f7fbe4de0ca
[  264.343164][ T6599] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.343180][ T6599] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.343202][ T6599] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  264.343215][ T6599] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  264.343227][ T6599] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  264.343239][ T6599] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  264.343251][ T6599] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  264.343280][ T6599]  </TASK>
[  264.352086][ 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.
[  264.352110][ T6599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.965909][ T6602] loop1: detected capacity change from 0 to 32768
[  264.981235][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.981260][ T6602] CPU: 0 UID: 0 PID: 6602 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  264.981286][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  264.981299][ T6602] Call Trace:
[  264.981308][ T6602]  <TASK>
[  264.981318][ T6602]  dump_stack_lvl+0xe8/0x150
[  264.981354][ T6602]  sysfs_create_dir_ns+0x271/0x2a0
[  264.981389][ T6602]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  264.981414][ T6602]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  264.981444][ T6602]  ? rt_spin_unlock+0x160/0x200
[  264.981470][ T6602]  kobject_add_internal+0x62c/0xce0
[  264.981501][ T6602]  kobject_init_and_add+0x12b/0x1a0
[  264.981540][ T6602]  ? __pfx_kobject_init_and_add+0x10/0x10
[  264.981575][ T6602]  ? __raw_spin_lock_init+0x45/0x100
[  264.981604][ T6602]  ? __init_swait_queue_head+0xa8/0x150
[  264.981632][ T6602]  gfs2_sys_fs_add+0x257/0x480
[  264.981657][ T6602]  ? is_dynamic_key+0x1aa/0x1c0
[  264.981694][ T6602]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  264.981730][ T6602]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  264.981773][ T6602]  gfs2_fill_super+0x1368/0x20f0
[  264.981819][ T6602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.981848][ T6602]  ? rt_spin_unlock+0x14f/0x200
[  264.981873][ T6602]  ? sb_set_blocksize+0x11b/0x210
[  264.981900][ T6602]  ? setup_bdev_super+0x4c1/0x5b0
[  264.981934][ T6602]  get_tree_bdev_flags+0x430/0x4f0
[  264.981966][ T6602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  264.981997][ T6602]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  264.982036][ T6602]  gfs2_get_tree+0x51/0x1e0
[  264.982071][ T6602]  vfs_get_tree+0x92/0x2a0
[  264.982103][ T6602]  do_new_mount+0x319/0xdc0
[  264.982133][ T6602]  ? __pfx_do_new_mount+0x10/0x10
[  264.982158][ T6602]  ? ns_capable+0x89/0xe0
[  264.982182][ T6602]  ? path_mount+0x647/0x1040
[  264.982209][ T6602]  ? user_path_at+0xd4/0x160
[  264.982238][ T6602]  __se_sys_mount+0x31d/0x420
[  264.982269][ T6602]  ? __pfx___se_sys_mount+0x10/0x10
[  264.982323][ T6602]  ? __x64_sys_mount+0x20/0xc0
[  264.982347][ T6602]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.982382][ T6602]  do_syscall_64+0x174/0x580
[  264.982411][ T6602]  ? trace_irq_disable+0x3b/0x140
[  264.982440][ T6602]  ? clear_bhb_loop+0x40/0x90
[  264.982467][ T6602]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.982489][ T6602] RIP: 0033:0x7f7fbe4de0ca
[  264.982511][ T6602] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.982529][ T6602] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.982554][ T6602] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  264.982570][ T6602] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  264.982585][ T6602] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  264.982600][ T6602] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  264.982614][ T6602] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  264.982650][ T6602]  </TASK>
[  265.017625][ 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.
[  265.017651][ T6602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.600893][ T6605] loop1: detected capacity change from 0 to 32768
[  265.621528][ T6605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.621552][ T6605] CPU: 0 UID: 0 PID: 6605 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  265.621579][ T6605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  265.621592][ T6605] Call Trace:
[  265.621601][ T6605]  <TASK>
[  265.621610][ T6605]  dump_stack_lvl+0xe8/0x150
[  265.621646][ T6605]  sysfs_create_dir_ns+0x271/0x2a0
[  265.621679][ T6605]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  265.621705][ T6605]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
2026/06/20 12:38:40 executed programs: 197
[  265.621736][ T6605]  ? rt_spin_unlock+0x160/0x200
[  265.621761][ T6605]  kobject_add_internal+0x62c/0xce0
[  265.621790][ T6605]  kobject_init_and_add+0x12b/0x1a0
[  265.621830][ T6605]  ? __pfx_kobject_init_and_add+0x10/0x10
[  265.621874][ T6605]  ? __raw_spin_lock_init+0x45/0x100
[  265.621902][ T6605]  ? __init_swait_queue_head+0xa8/0x150
[  265.621930][ T6605]  gfs2_sys_fs_add+0x257/0x480
[  265.621955][ T6605]  ? is_dynamic_key+0x1aa/0x1c0
[  265.621984][ T6605]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  265.622020][ T6605]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  265.622063][ T6605]  gfs2_fill_super+0x1368/0x20f0
[  265.622109][ T6605]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.622138][ T6605]  ? rt_spin_unlock+0x14f/0x200
[  265.622167][ T6605]  ? sb_set_blocksize+0x11b/0x210
[  265.622192][ T6605]  ? setup_bdev_super+0x4c1/0x5b0
[  265.622225][ T6605]  get_tree_bdev_flags+0x430/0x4f0
[  265.622254][ T6605]  ? __pfx_gfs2_fill_super+0x10/0x10
[  265.622304][ T6605]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  265.622346][ T6605]  gfs2_get_tree+0x51/0x1e0
[  265.622376][ T6605]  vfs_get_tree+0x92/0x2a0
[  265.622407][ T6605]  do_new_mount+0x319/0xdc0
[  265.622439][ T6605]  ? __pfx_do_new_mount+0x10/0x10
[  265.622464][ T6605]  ? ns_capable+0x89/0xe0
[  265.622488][ T6605]  ? path_mount+0x647/0x1040
[  265.622515][ T6605]  ? user_path_at+0xd4/0x160
[  265.622543][ T6605]  __se_sys_mount+0x31d/0x420
[  265.622575][ T6605]  ? __pfx___se_sys_mount+0x10/0x10
[  265.622605][ T6605]  ? __x64_sys_mount+0x20/0xc0
[  265.622627][ T6605]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.622650][ T6605]  do_syscall_64+0x174/0x580
[  265.622676][ T6605]  ? trace_irq_disable+0x3b/0x140
[  265.622693][ T6605]  ? clear_bhb_loop+0x40/0x90
[  265.622708][ T6605]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  265.622720][ T6605] RIP: 0033:0x7f7fbe4de0ca
[  265.622734][ T6605] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  265.622745][ T6605] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.622763][ T6605] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  265.622773][ T6605] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  265.622781][ T6605] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  265.622789][ T6605] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  265.622797][ T6605] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  265.622817][ T6605]  </TASK>
[  265.623012][ 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.
[  265.623032][ T6605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.232291][ T6608] loop1: detected capacity change from 0 to 32768
[  266.243459][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.243484][ T6608] CPU: 1 UID: 0 PID: 6608 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  266.243509][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  266.243521][ T6608] Call Trace:
[  266.243529][ T6608]  <TASK>
[  266.243537][ T6608]  dump_stack_lvl+0xe8/0x150
[  266.243571][ T6608]  sysfs_create_dir_ns+0x271/0x2a0
[  266.243595][ T6608]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  266.243621][ T6608]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.243649][ T6608]  ? rt_spin_unlock+0x160/0x200
[  266.243675][ T6608]  kobject_add_internal+0x62c/0xce0
[  266.243701][ T6608]  kobject_init_and_add+0x12b/0x1a0
[  266.243739][ T6608]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.243773][ T6608]  ? __raw_spin_lock_init+0x45/0x100
[  266.243803][ T6608]  ? __init_swait_queue_head+0xa8/0x150
[  266.243832][ T6608]  gfs2_sys_fs_add+0x257/0x480
[  266.243855][ T6608]  ? is_dynamic_key+0x1aa/0x1c0
[  266.243883][ T6608]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.243920][ T6608]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.243960][ T6608]  gfs2_fill_super+0x1368/0x20f0
[  266.244003][ T6608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.244031][ T6608]  ? rt_spin_unlock+0x14f/0x200
[  266.244057][ T6608]  ? sb_set_blocksize+0x11b/0x210
[  266.244083][ T6608]  ? setup_bdev_super+0x4c1/0x5b0
[  266.244116][ T6608]  get_tree_bdev_flags+0x430/0x4f0
[  266.244145][ T6608]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.244174][ T6608]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.244212][ T6608]  gfs2_get_tree+0x51/0x1e0
[  266.244244][ T6608]  vfs_get_tree+0x92/0x2a0
[  266.244274][ T6608]  do_new_mount+0x319/0xdc0
[  266.244305][ T6608]  ? __pfx_do_new_mount+0x10/0x10
[  266.244331][ T6608]  ? ns_capable+0x89/0xe0
[  266.244355][ T6608]  ? path_mount+0x647/0x1040
[  266.244382][ T6608]  ? user_path_at+0xd4/0x160
[  266.244410][ T6608]  __se_sys_mount+0x31d/0x420
[  266.244449][ T6608]  ? __pfx___se_sys_mount+0x10/0x10
[  266.244479][ T6608]  ? __x64_sys_mount+0x20/0xc0
[  266.244502][ T6608]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.244525][ T6608]  do_syscall_64+0x174/0x580
[  266.244552][ T6608]  ? trace_irq_disable+0x3b/0x140
[  266.244580][ T6608]  ? clear_bhb_loop+0x40/0x90
[  266.244606][ T6608]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.244628][ T6608] RIP: 0033:0x7f7fbe4de0ca
[  266.244649][ T6608] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.244675][ T6608] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.244699][ T6608] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  266.244715][ T6608] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  266.244730][ T6608] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  266.244744][ T6608] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  266.244758][ T6608] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  266.244793][ T6608]  </TASK>
[  266.246335][ 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.
[  266.246356][ T6608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.871128][ T6611] loop1: detected capacity change from 0 to 32768
[  266.886993][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.887019][ T6611] CPU: 1 UID: 0 PID: 6611 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  266.887046][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  266.887059][ T6611] Call Trace:
[  266.887068][ T6611]  <TASK>
[  266.887078][ T6611]  dump_stack_lvl+0xe8/0x150
[  266.887115][ T6611]  sysfs_create_dir_ns+0x271/0x2a0
[  266.887146][ T6611]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  266.887172][ T6611]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  266.887201][ T6611]  ? rt_spin_unlock+0x160/0x200
[  266.887228][ T6611]  kobject_add_internal+0x62c/0xce0
[  266.887257][ T6611]  kobject_init_and_add+0x12b/0x1a0
[  266.887297][ T6611]  ? __pfx_kobject_init_and_add+0x10/0x10
[  266.887331][ T6611]  ? __raw_spin_lock_init+0x45/0x100
[  266.887360][ T6611]  ? __init_swait_queue_head+0xa8/0x150
[  266.887389][ T6611]  gfs2_sys_fs_add+0x257/0x480
[  266.887413][ T6611]  ? is_dynamic_key+0x1aa/0x1c0
[  266.887443][ T6611]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  266.887478][ T6611]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  266.887521][ T6611]  gfs2_fill_super+0x1368/0x20f0
[  266.887566][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.887595][ T6611]  ? rt_spin_unlock+0x14f/0x200
[  266.887623][ T6611]  ? sb_set_blocksize+0x11b/0x210
[  266.887648][ T6611]  ? setup_bdev_super+0x4c1/0x5b0
[  266.887682][ T6611]  get_tree_bdev_flags+0x430/0x4f0
[  266.887712][ T6611]  ? __pfx_gfs2_fill_super+0x10/0x10
[  266.887743][ T6611]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  266.887786][ T6611]  gfs2_get_tree+0x51/0x1e0
[  266.887829][ T6611]  vfs_get_tree+0x92/0x2a0
[  266.887863][ T6611]  do_new_mount+0x319/0xdc0
[  266.887895][ T6611]  ? __pfx_do_new_mount+0x10/0x10
[  266.887921][ T6611]  ? ns_capable+0x89/0xe0
[  266.887945][ T6611]  ? path_mount+0x647/0x1040
[  266.887973][ T6611]  ? user_path_at+0xd4/0x160
[  266.888003][ T6611]  __se_sys_mount+0x31d/0x420
[  266.888035][ T6611]  ? __pfx___se_sys_mount+0x10/0x10
[  266.888067][ T6611]  ? __x64_sys_mount+0x20/0xc0
[  266.888091][ T6611]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.888114][ T6611]  do_syscall_64+0x174/0x580
[  266.888142][ T6611]  ? trace_irq_disable+0x3b/0x140
[  266.888171][ T6611]  ? clear_bhb_loop+0x40/0x90
[  266.888198][ T6611]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  266.888218][ T6611] RIP: 0033:0x7f7fbe4de0ca
[  266.888239][ T6611] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.888257][ T6611] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.888282][ T6611] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  266.888298][ T6611] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  266.888312][ T6611] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  266.888326][ T6611] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  266.888339][ T6611] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  266.888375][ T6611]  </TASK>
[  266.893395][ 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.
[  266.893416][ T6611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.510436][ T6614] loop1: detected capacity change from 0 to 32768
[  267.526082][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.526108][ T6614] CPU: 0 UID: 0 PID: 6614 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  267.526137][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  267.526150][ T6614] Call Trace:
[  267.526159][ T6614]  <TASK>
[  267.526169][ T6614]  dump_stack_lvl+0xe8/0x150
[  267.526206][ T6614]  sysfs_create_dir_ns+0x271/0x2a0
[  267.526231][ T6614]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  267.526255][ T6614]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  267.526284][ T6614]  ? rt_spin_unlock+0x160/0x200
[  267.526310][ T6614]  kobject_add_internal+0x62c/0xce0
[  267.526341][ T6614]  kobject_init_and_add+0x12b/0x1a0
[  267.526380][ T6614]  ? __pfx_kobject_init_and_add+0x10/0x10
[  267.526416][ T6614]  ? __raw_spin_lock_init+0x45/0x100
[  267.526455][ T6614]  ? __init_swait_queue_head+0xa8/0x150
[  267.526482][ T6614]  gfs2_sys_fs_add+0x257/0x480
[  267.526507][ T6614]  ? is_dynamic_key+0x1aa/0x1c0
[  267.526542][ T6614]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  267.526576][ T6614]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  267.526620][ T6614]  gfs2_fill_super+0x1368/0x20f0
[  267.526667][ T6614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.526696][ T6614]  ? rt_spin_unlock+0x14f/0x200
[  267.526722][ T6614]  ? sb_set_blocksize+0x11b/0x210
[  267.526750][ T6614]  ? setup_bdev_super+0x4c1/0x5b0
[  267.526783][ T6614]  get_tree_bdev_flags+0x430/0x4f0
[  267.526814][ T6614]  ? __pfx_gfs2_fill_super+0x10/0x10
[  267.526844][ T6614]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  267.526886][ T6614]  gfs2_get_tree+0x51/0x1e0
[  267.526920][ T6614]  vfs_get_tree+0x92/0x2a0
[  267.526951][ T6614]  do_new_mount+0x319/0xdc0
[  267.526982][ T6614]  ? __pfx_do_new_mount+0x10/0x10
[  267.527008][ T6614]  ? ns_capable+0x89/0xe0
[  267.527032][ T6614]  ? path_mount+0x647/0x1040
[  267.527057][ T6614]  ? user_path_at+0xd4/0x160
[  267.527086][ T6614]  __se_sys_mount+0x31d/0x420
[  267.527117][ T6614]  ? __pfx___se_sys_mount+0x10/0x10
[  267.527148][ T6614]  ? __x64_sys_mount+0x20/0xc0
[  267.527172][ T6614]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.527196][ T6614]  do_syscall_64+0x174/0x580
[  267.527224][ T6614]  ? trace_irq_disable+0x3b/0x140
[  267.527252][ T6614]  ? clear_bhb_loop+0x40/0x90
[  267.527280][ T6614]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  267.527301][ T6614] RIP: 0033:0x7f7fbe4de0ca
[  267.527323][ T6614] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.527341][ T6614] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.527366][ T6614] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  267.527384][ T6614] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  267.527398][ T6614] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  267.527412][ T6614] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  267.527436][ T6614] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  267.527469][ T6614]  </TASK>
[  267.529024][ 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.
[  267.529046][ T6614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.182006][ T6617] loop1: detected capacity change from 0 to 32768
[  268.212825][ T6617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.212851][ T6617] CPU: 1 UID: 0 PID: 6617 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  268.212878][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  268.212891][ T6617] Call Trace:
[  268.212900][ T6617]  <TASK>
[  268.212909][ T6617]  dump_stack_lvl+0xe8/0x150
[  268.212945][ T6617]  sysfs_create_dir_ns+0x271/0x2a0
[  268.212970][ T6617]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  268.212995][ T6617]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.213025][ T6617]  ? rt_spin_unlock+0x160/0x200
[  268.213051][ T6617]  kobject_add_internal+0x62c/0xce0
[  268.213081][ T6617]  kobject_init_and_add+0x12b/0x1a0
[  268.213121][ T6617]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.213155][ T6617]  ? __raw_spin_lock_init+0x45/0x100
[  268.213182][ T6617]  ? __init_swait_queue_head+0xa8/0x150
[  268.213209][ T6617]  gfs2_sys_fs_add+0x257/0x480
[  268.213227][ T6617]  ? is_dynamic_key+0x1aa/0x1c0
[  268.213244][ T6617]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.213268][ T6617]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.213292][ T6617]  gfs2_fill_super+0x1368/0x20f0
[  268.213324][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.213341][ T6617]  ? rt_spin_unlock+0x14f/0x200
[  268.213356][ T6617]  ? sb_set_blocksize+0x11b/0x210
[  268.213371][ T6617]  ? setup_bdev_super+0x4c1/0x5b0
[  268.213389][ T6617]  get_tree_bdev_flags+0x430/0x4f0
[  268.213406][ T6617]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.213423][ T6617]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.213446][ T6617]  gfs2_get_tree+0x51/0x1e0
[  268.213466][ T6617]  vfs_get_tree+0x92/0x2a0
[  268.213483][ T6617]  do_new_mount+0x319/0xdc0
[  268.213501][ T6617]  ? __pfx_do_new_mount+0x10/0x10
[  268.213515][ T6617]  ? ns_capable+0x89/0xe0
[  268.213529][ T6617]  ? path_mount+0x647/0x1040
[  268.213544][ T6617]  ? user_path_at+0xd4/0x160
[  268.213560][ T6617]  __se_sys_mount+0x31d/0x420
[  268.213577][ T6617]  ? __pfx___se_sys_mount+0x10/0x10
[  268.213595][ T6617]  ? __x64_sys_mount+0x20/0xc0
[  268.213608][ T6617]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.213621][ T6617]  do_syscall_64+0x174/0x580
[  268.213637][ T6617]  ? trace_irq_disable+0x3b/0x140
[  268.213653][ T6617]  ? clear_bhb_loop+0x40/0x90
[  268.213668][ T6617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.213680][ T6617] RIP: 0033:0x7f7fbe4de0ca
[  268.213694][ T6617] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.213711][ T6617] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.213735][ T6617] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  268.213750][ T6617] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  268.213764][ T6617] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  268.213777][ T6617] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  268.213785][ T6617] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  268.213805][ T6617]  </TASK>
[  268.213835][ 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.
[  268.213846][ T6617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.357671][ T4927] Bluetooth: hci1: command 0x0406 tx timeout
[  268.828659][ T6620] loop1: detected capacity change from 0 to 32768
[  268.843875][ T6620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.844025][ T6620] CPU: 0 UID: 0 PID: 6620 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  268.844051][ T6620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  268.844064][ T6620] Call Trace:
[  268.844072][ T6620]  <TASK>
[  268.844082][ T6620]  dump_stack_lvl+0xe8/0x150
[  268.844117][ T6620]  sysfs_create_dir_ns+0x271/0x2a0
[  268.844143][ T6620]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  268.844169][ T6620]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  268.844197][ T6620]  ? rt_spin_unlock+0x160/0x200
[  268.844222][ T6620]  kobject_add_internal+0x62c/0xce0
[  268.844250][ T6620]  kobject_init_and_add+0x12b/0x1a0
[  268.844290][ T6620]  ? __pfx_kobject_init_and_add+0x10/0x10
[  268.844326][ T6620]  ? __raw_spin_lock_init+0x45/0x100
[  268.844354][ T6620]  ? __init_swait_queue_head+0xa8/0x150
[  268.844382][ T6620]  gfs2_sys_fs_add+0x257/0x480
[  268.844406][ T6620]  ? is_dynamic_key+0x1aa/0x1c0
[  268.844434][ T6620]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  268.844469][ T6620]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  268.844509][ T6620]  gfs2_fill_super+0x1368/0x20f0
[  268.844553][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.844582][ T6620]  ? rt_spin_unlock+0x14f/0x200
[  268.844608][ T6620]  ? sb_set_blocksize+0x11b/0x210
[  268.844636][ T6620]  ? setup_bdev_super+0x4c1/0x5b0
[  268.844669][ T6620]  get_tree_bdev_flags+0x430/0x4f0
[  268.844699][ T6620]  ? __pfx_gfs2_fill_super+0x10/0x10
[  268.844729][ T6620]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  268.844771][ T6620]  gfs2_get_tree+0x51/0x1e0
[  268.844815][ T6620]  vfs_get_tree+0x92/0x2a0
[  268.844849][ T6620]  do_new_mount+0x319/0xdc0
[  268.844881][ T6620]  ? __pfx_do_new_mount+0x10/0x10
[  268.844907][ T6620]  ? ns_capable+0x89/0xe0
[  268.844930][ T6620]  ? path_mount+0x647/0x1040
[  268.844959][ T6620]  ? user_path_at+0xd4/0x160
[  268.844988][ T6620]  __se_sys_mount+0x31d/0x420
[  268.845020][ T6620]  ? __pfx___se_sys_mount+0x10/0x10
[  268.845050][ T6620]  ? __x64_sys_mount+0x20/0xc0
[  268.845078][ T6620]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.845103][ T6620]  do_syscall_64+0x174/0x580
[  268.845129][ T6620]  ? trace_irq_disable+0x3b/0x140
[  268.845157][ T6620]  ? clear_bhb_loop+0x40/0x90
[  268.845184][ T6620]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  268.845207][ T6620] RIP: 0033:0x7f7fbe4de0ca
[  268.845229][ T6620] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.845247][ T6620] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.845271][ T6620] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  268.845286][ T6620] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  268.845299][ T6620] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  268.845313][ T6620] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  268.845327][ T6620] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  268.845360][ T6620]  </TASK>
[  268.846397][ 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.
[  268.846418][ T6620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.443407][ T6623] loop1: detected capacity change from 0 to 32768
[  269.459127][ T6623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.459156][ T6623] CPU: 1 UID: 0 PID: 6623 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  269.459187][ T6623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  269.459200][ T6623] Call Trace:
[  269.459209][ T6623]  <TASK>
[  269.459218][ T6623]  dump_stack_lvl+0xe8/0x150
[  269.459254][ T6623]  sysfs_create_dir_ns+0x271/0x2a0
[  269.459278][ T6623]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  269.459303][ T6623]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  269.459332][ T6623]  ? rt_spin_unlock+0x160/0x200
[  269.459369][ T6623]  kobject_add_internal+0x62c/0xce0
[  269.459399][ T6623]  kobject_init_and_add+0x12b/0x1a0
[  269.459439][ T6623]  ? __pfx_kobject_init_and_add+0x10/0x10
[  269.459473][ T6623]  ? __raw_spin_lock_init+0x45/0x100
[  269.459503][ T6623]  ? __init_swait_queue_head+0xa8/0x150
[  269.459534][ T6623]  gfs2_sys_fs_add+0x257/0x480
[  269.459559][ T6623]  ? is_dynamic_key+0x1aa/0x1c0
[  269.459589][ T6623]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  269.459622][ T6623]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  269.459665][ T6623]  gfs2_fill_super+0x1368/0x20f0
[  269.459709][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.459737][ T6623]  ? rt_spin_unlock+0x14f/0x200
[  269.459765][ T6623]  ? sb_set_blocksize+0x11b/0x210
[  269.459793][ T6623]  ? setup_bdev_super+0x4c1/0x5b0
[  269.459827][ T6623]  get_tree_bdev_flags+0x430/0x4f0
[  269.459853][ T6623]  ? __pfx_gfs2_fill_super+0x10/0x10
[  269.459883][ T6623]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  269.459922][ T6623]  gfs2_get_tree+0x51/0x1e0
[  269.459956][ T6623]  vfs_get_tree+0x92/0x2a0
[  269.459988][ T6623]  do_new_mount+0x319/0xdc0
[  269.460019][ T6623]  ? __pfx_do_new_mount+0x10/0x10
[  269.460045][ T6623]  ? ns_capable+0x89/0xe0
[  269.460067][ T6623]  ? path_mount+0x647/0x1040
[  269.460094][ T6623]  ? user_path_at+0xd4/0x160
[  269.460124][ T6623]  __se_sys_mount+0x31d/0x420
[  269.460153][ T6623]  ? __pfx___se_sys_mount+0x10/0x10
[  269.460185][ T6623]  ? __x64_sys_mount+0x20/0xc0
[  269.460209][ T6623]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.460234][ T6623]  do_syscall_64+0x174/0x580
[  269.460261][ T6623]  ? trace_irq_disable+0x3b/0x140
[  269.460290][ T6623]  ? clear_bhb_loop+0x40/0x90
[  269.460317][ T6623]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  269.460339][ T6623] RIP: 0033:0x7f7fbe4de0ca
[  269.460369][ T6623] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.460387][ T6623] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.460411][ T6623] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  269.460428][ T6623] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  269.460444][ T6623] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  269.460458][ T6623] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  269.460472][ T6623] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  269.460506][ T6623]  </TASK>
[  269.460565][ 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.
[  269.460583][ T6623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.180331][ T6626] loop1: detected capacity change from 0 to 32768
[  270.194381][ T6626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.194409][ T6626] CPU: 1 UID: 0 PID: 6626 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  270.194436][ T6626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  270.194458][ T6626] Call Trace:
[  270.194467][ T6626]  <TASK>
[  270.194477][ T6626]  dump_stack_lvl+0xe8/0x150
[  270.194514][ T6626]  sysfs_create_dir_ns+0x271/0x2a0
[  270.194539][ T6626]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  270.194565][ T6626]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.194596][ T6626]  ? rt_spin_unlock+0x160/0x200
[  270.194622][ T6626]  kobject_add_internal+0x62c/0xce0
[  270.194653][ T6626]  kobject_init_and_add+0x12b/0x1a0
[  270.194693][ T6626]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.194729][ T6626]  ? __raw_spin_lock_init+0x45/0x100
[  270.194757][ T6626]  ? __init_swait_queue_head+0xa8/0x150
[  270.194787][ T6626]  gfs2_sys_fs_add+0x257/0x480
[  270.194811][ T6626]  ? is_dynamic_key+0x1aa/0x1c0
[  270.194840][ T6626]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.194874][ T6626]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.194918][ T6626]  gfs2_fill_super+0x1368/0x20f0
[  270.194963][ T6626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.194993][ T6626]  ? rt_spin_unlock+0x14f/0x200
[  270.195020][ T6626]  ? sb_set_blocksize+0x11b/0x210
[  270.195048][ T6626]  ? setup_bdev_super+0x4c1/0x5b0
[  270.195082][ T6626]  get_tree_bdev_flags+0x430/0x4f0
[  270.195117][ T6626]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.195148][ T6626]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.195190][ T6626]  gfs2_get_tree+0x51/0x1e0
[  270.195226][ T6626]  vfs_get_tree+0x92/0x2a0
[  270.195259][ T6626]  do_new_mount+0x319/0xdc0
[  270.195290][ T6626]  ? __pfx_do_new_mount+0x10/0x10
[  270.195317][ T6626]  ? ns_capable+0x89/0xe0
[  270.195341][ T6626]  ? path_mount+0x647/0x1040
[  270.195368][ T6626]  ? user_path_at+0xd4/0x160
[  270.195398][ T6626]  __se_sys_mount+0x31d/0x420
[  270.195428][ T6626]  ? __pfx___se_sys_mount+0x10/0x10
[  270.195468][ T6626]  ? __x64_sys_mount+0x20/0xc0
[  270.195491][ T6626]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.195514][ T6626]  do_syscall_64+0x174/0x580
[  270.195541][ T6626]  ? trace_irq_disable+0x3b/0x140
[  270.195568][ T6626]  ? clear_bhb_loop+0x40/0x90
[  270.195594][ T6626]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.195614][ T6626] RIP: 0033:0x7f7fbe4de0ca
[  270.195636][ T6626] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.195655][ T6626] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.195680][ T6626] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  270.195697][ T6626] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  270.195712][ T6626] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  270.195727][ T6626] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  270.195740][ T6626] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  270.195776][ T6626]  </TASK>
[  270.198694][ 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.
[  270.198716][ T6626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.796053][ T6629] loop1: detected capacity change from 0 to 32768
[  270.802651][ T6629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.802679][ T6629] CPU: 1 UID: 0 PID: 6629 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  270.802705][ T6629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  270.802718][ T6629] Call Trace:
[  270.802726][ T6629]  <TASK>
[  270.802746][ T6629]  dump_stack_lvl+0xe8/0x150
[  270.802793][ T6629]  sysfs_create_dir_ns+0x271/0x2a0
[  270.802817][ T6629]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  270.802845][ T6629]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  270.802874][ T6629]  ? rt_spin_unlock+0x160/0x200
[  270.802899][ T6629]  kobject_add_internal+0x62c/0xce0
[  270.802930][ T6629]  kobject_init_and_add+0x12b/0x1a0
[  270.802971][ T6629]  ? __pfx_kobject_init_and_add+0x10/0x10
[  270.803006][ T6629]  ? __raw_spin_lock_init+0x45/0x100
[  270.803035][ T6629]  ? __init_swait_queue_head+0xa8/0x150
[  270.803075][ T6629]  gfs2_sys_fs_add+0x257/0x480
2026/06/20 12:38:45 executed programs: 205
[  270.803104][ T6629]  ? is_dynamic_key+0x1aa/0x1c0
[  270.803131][ T6629]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  270.803165][ T6629]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  270.803208][ T6629]  gfs2_fill_super+0x1368/0x20f0
[  270.803254][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.803283][ T6629]  ? rt_spin_unlock+0x14f/0x200
[  270.803319][ T6629]  ? sb_set_blocksize+0x11b/0x210
[  270.803346][ T6629]  ? setup_bdev_super+0x4c1/0x5b0
[  270.803380][ T6629]  get_tree_bdev_flags+0x430/0x4f0
[  270.803410][ T6629]  ? __pfx_gfs2_fill_super+0x10/0x10
[  270.803440][ T6629]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  270.803482][ T6629]  gfs2_get_tree+0x51/0x1e0
[  270.803517][ T6629]  vfs_get_tree+0x92/0x2a0
[  270.803549][ T6629]  do_new_mount+0x319/0xdc0
[  270.803579][ T6629]  ? __pfx_do_new_mount+0x10/0x10
[  270.803603][ T6629]  ? ns_capable+0x89/0xe0
[  270.803624][ T6629]  ? path_mount+0x647/0x1040
[  270.803650][ T6629]  ? user_path_at+0xd4/0x160
[  270.803677][ T6629]  __se_sys_mount+0x31d/0x420
[  270.803708][ T6629]  ? __pfx___se_sys_mount+0x10/0x10
[  270.803738][ T6629]  ? __x64_sys_mount+0x20/0xc0
[  270.803761][ T6629]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.803783][ T6629]  do_syscall_64+0x174/0x580
[  270.803808][ T6629]  ? trace_irq_disable+0x3b/0x140
[  270.803835][ T6629]  ? clear_bhb_loop+0x40/0x90
[  270.803859][ T6629]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  270.803878][ T6629] RIP: 0033:0x7f7fbe4de0ca
[  270.803899][ T6629] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.803916][ T6629] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.803941][ T6629] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  270.803957][ T6629] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  270.803972][ T6629] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  270.803986][ T6629] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  270.804000][ T6629] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  270.804033][ T6629]  </TASK>
[  270.810046][ 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.
[  270.810069][ T6629] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.486298][ T6632] loop1: detected capacity change from 0 to 32768
[  271.517317][ T6632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.517345][ T6632] CPU: 1 UID: 0 PID: 6632 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  271.517370][ T6632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  271.517384][ T6632] Call Trace:
[  271.517393][ T6632]  <TASK>
[  271.517402][ T6632]  dump_stack_lvl+0xe8/0x150
[  271.517438][ T6632]  sysfs_create_dir_ns+0x271/0x2a0
[  271.517463][ T6632]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  271.517488][ T6632]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  271.517518][ T6632]  ? rt_spin_unlock+0x160/0x200
[  271.517545][ T6632]  kobject_add_internal+0x62c/0xce0
[  271.517575][ T6632]  kobject_init_and_add+0x12b/0x1a0
[  271.517616][ T6632]  ? __pfx_kobject_init_and_add+0x10/0x10
[  271.517652][ T6632]  ? __raw_spin_lock_init+0x45/0x100
[  271.517682][ T6632]  ? __init_swait_queue_head+0xa8/0x150
[  271.517712][ T6632]  gfs2_sys_fs_add+0x257/0x480
[  271.517737][ T6632]  ? is_dynamic_key+0x1aa/0x1c0
[  271.517776][ T6632]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  271.517812][ T6632]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  271.517856][ T6632]  gfs2_fill_super+0x1368/0x20f0
[  271.517902][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.517931][ T6632]  ? rt_spin_unlock+0x14f/0x200
[  271.517959][ T6632]  ? sb_set_blocksize+0x11b/0x210
[  271.517987][ T6632]  ? setup_bdev_super+0x4c1/0x5b0
[  271.518021][ T6632]  get_tree_bdev_flags+0x430/0x4f0
[  271.518052][ T6632]  ? __pfx_gfs2_fill_super+0x10/0x10
[  271.518084][ T6632]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  271.518127][ T6632]  gfs2_get_tree+0x51/0x1e0
[  271.518162][ T6632]  vfs_get_tree+0x92/0x2a0
[  271.518195][ T6632]  do_new_mount+0x319/0xdc0
[  271.518225][ T6632]  ? __pfx_do_new_mount+0x10/0x10
[  271.518252][ T6632]  ? ns_capable+0x89/0xe0
[  271.518275][ T6632]  ? path_mount+0x647/0x1040
[  271.518302][ T6632]  ? user_path_at+0xd4/0x160
[  271.518332][ T6632]  __se_sys_mount+0x31d/0x420
[  271.518363][ T6632]  ? __pfx___se_sys_mount+0x10/0x10
[  271.518396][ T6632]  ? __x64_sys_mount+0x20/0xc0
[  271.518419][ T6632]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.518444][ T6632]  do_syscall_64+0x174/0x580
[  271.518471][ T6632]  ? trace_irq_disable+0x3b/0x140
[  271.518498][ T6632]  ? clear_bhb_loop+0x40/0x90
[  271.518525][ T6632]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  271.518547][ T6632] RIP: 0033:0x7f7fbe4de0ca
[  271.518573][ T6632] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.518592][ T6632] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.518617][ T6632] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  271.518633][ T6632] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  271.518648][ T6632] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  271.518664][ T6632] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  271.518678][ T6632] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  271.518714][ T6632]  </TASK>
[  271.522162][ 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.
[  271.522185][ T6632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.223108][ T6635] loop1: detected capacity change from 0 to 32768
[  272.244450][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.244478][ T6635] CPU: 0 UID: 0 PID: 6635 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  272.244503][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  272.244516][ T6635] Call Trace:
[  272.244525][ T6635]  <TASK>
[  272.244535][ T6635]  dump_stack_lvl+0xe8/0x150
[  272.244571][ T6635]  sysfs_create_dir_ns+0x271/0x2a0
[  272.244595][ T6635]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  272.244620][ T6635]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.244650][ T6635]  ? rt_spin_unlock+0x160/0x200
[  272.244677][ T6635]  kobject_add_internal+0x62c/0xce0
[  272.244707][ T6635]  kobject_init_and_add+0x12b/0x1a0
[  272.244744][ T6635]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.244779][ T6635]  ? __raw_spin_lock_init+0x45/0x100
[  272.244807][ T6635]  ? __init_swait_queue_head+0xa8/0x150
[  272.244835][ T6635]  gfs2_sys_fs_add+0x257/0x480
[  272.244869][ T6635]  ? is_dynamic_key+0x1aa/0x1c0
[  272.244900][ T6635]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.244933][ T6635]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.244973][ T6635]  gfs2_fill_super+0x1368/0x20f0
[  272.245015][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.245040][ T6635]  ? rt_spin_unlock+0x14f/0x200
[  272.245066][ T6635]  ? sb_set_blocksize+0x11b/0x210
[  272.245091][ T6635]  ? setup_bdev_super+0x4c1/0x5b0
[  272.245123][ T6635]  get_tree_bdev_flags+0x430/0x4f0
[  272.245151][ T6635]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.245179][ T6635]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.245218][ T6635]  gfs2_get_tree+0x51/0x1e0
[  272.245251][ T6635]  vfs_get_tree+0x92/0x2a0
[  272.245283][ T6635]  do_new_mount+0x319/0xdc0
[  272.245313][ T6635]  ? __pfx_do_new_mount+0x10/0x10
[  272.245338][ T6635]  ? ns_capable+0x89/0xe0
[  272.245360][ T6635]  ? path_mount+0x647/0x1040
[  272.245386][ T6635]  ? user_path_at+0xd4/0x160
[  272.245413][ T6635]  __se_sys_mount+0x31d/0x420
[  272.245444][ T6635]  ? __pfx___se_sys_mount+0x10/0x10
[  272.245475][ T6635]  ? __x64_sys_mount+0x20/0xc0
[  272.245498][ T6635]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.245522][ T6635]  do_syscall_64+0x174/0x580
[  272.245548][ T6635]  ? trace_irq_disable+0x3b/0x140
[  272.245575][ T6635]  ? clear_bhb_loop+0x40/0x90
[  272.245601][ T6635]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.245622][ T6635] RIP: 0033:0x7f7fbe4de0ca
[  272.245643][ T6635] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.245661][ T6635] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.245685][ T6635] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  272.245699][ T6635] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  272.245714][ T6635] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  272.245729][ T6635] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  272.245743][ T6635] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  272.245777][ T6635]  </TASK>
[  272.245943][ 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.
[  272.245962][ T6635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.842042][ T6638] loop1: detected capacity change from 0 to 32768
[  272.860810][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.860846][ T6638] CPU: 1 UID: 0 PID: 6638 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  272.860873][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  272.860886][ T6638] Call Trace:
[  272.860895][ T6638]  <TASK>
[  272.860904][ T6638]  dump_stack_lvl+0xe8/0x150
[  272.860939][ T6638]  sysfs_create_dir_ns+0x271/0x2a0
[  272.860963][ T6638]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  272.860988][ T6638]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  272.861018][ T6638]  ? rt_spin_unlock+0x160/0x200
[  272.861044][ T6638]  kobject_add_internal+0x62c/0xce0
[  272.861075][ T6638]  kobject_init_and_add+0x12b/0x1a0
[  272.861116][ T6638]  ? __pfx_kobject_init_and_add+0x10/0x10
[  272.861152][ T6638]  ? __raw_spin_lock_init+0x45/0x100
[  272.861182][ T6638]  ? __init_swait_queue_head+0xa8/0x150
[  272.861212][ T6638]  gfs2_sys_fs_add+0x257/0x480
[  272.861237][ T6638]  ? is_dynamic_key+0x1aa/0x1c0
[  272.861266][ T6638]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  272.861301][ T6638]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  272.861344][ T6638]  gfs2_fill_super+0x1368/0x20f0
[  272.861390][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.861416][ T6638]  ? rt_spin_unlock+0x14f/0x200
[  272.861442][ T6638]  ? sb_set_blocksize+0x11b/0x210
[  272.861469][ T6638]  ? setup_bdev_super+0x4c1/0x5b0
[  272.861498][ T6638]  get_tree_bdev_flags+0x430/0x4f0
[  272.861528][ T6638]  ? __pfx_gfs2_fill_super+0x10/0x10
[  272.861559][ T6638]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  272.861601][ T6638]  gfs2_get_tree+0x51/0x1e0
[  272.861636][ T6638]  vfs_get_tree+0x92/0x2a0
[  272.861668][ T6638]  do_new_mount+0x319/0xdc0
[  272.861699][ T6638]  ? __pfx_do_new_mount+0x10/0x10
[  272.861726][ T6638]  ? ns_capable+0x89/0xe0
[  272.861748][ T6638]  ? path_mount+0x647/0x1040
[  272.861776][ T6638]  ? user_path_at+0xd4/0x160
[  272.861810][ T6638]  __se_sys_mount+0x31d/0x420
[  272.861849][ T6638]  ? __pfx___se_sys_mount+0x10/0x10
[  272.861880][ T6638]  ? __x64_sys_mount+0x20/0xc0
[  272.861903][ T6638]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.861928][ T6638]  do_syscall_64+0x174/0x580
[  272.861956][ T6638]  ? trace_irq_disable+0x3b/0x140
[  272.861984][ T6638]  ? clear_bhb_loop+0x40/0x90
[  272.862011][ T6638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  272.862033][ T6638] RIP: 0033:0x7f7fbe4de0ca
[  272.862055][ T6638] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.862073][ T6638] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.862097][ T6638] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  272.862113][ T6638] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  272.862128][ T6638] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  272.862143][ T6638] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  272.862157][ T6638] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  272.862192][ T6638]  </TASK>
[  272.865071][ 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.
[  272.865093][ T6638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.479021][ T6641] loop1: detected capacity change from 0 to 32768
[  273.493399][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.493425][ T6641] CPU: 0 UID: 0 PID: 6641 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  273.493451][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  273.493463][ T6641] Call Trace:
[  273.493471][ T6641]  <TASK>
[  273.493481][ T6641]  dump_stack_lvl+0xe8/0x150
[  273.493515][ T6641]  sysfs_create_dir_ns+0x271/0x2a0
[  273.493540][ T6641]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  273.493563][ T6641]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  273.493592][ T6641]  ? rt_spin_unlock+0x160/0x200
[  273.493617][ T6641]  kobject_add_internal+0x62c/0xce0
[  273.493646][ T6641]  kobject_init_and_add+0x12b/0x1a0
[  273.493684][ T6641]  ? __pfx_kobject_init_and_add+0x10/0x10
[  273.493720][ T6641]  ? __raw_spin_lock_init+0x45/0x100
[  273.493749][ T6641]  ? __init_swait_queue_head+0xa8/0x150
[  273.493777][ T6641]  gfs2_sys_fs_add+0x257/0x480
[  273.493806][ T6641]  ? is_dynamic_key+0x1aa/0x1c0
[  273.493836][ T6641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  273.493878][ T6641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  273.493918][ T6641]  gfs2_fill_super+0x1368/0x20f0
[  273.493963][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.493992][ T6641]  ? rt_spin_unlock+0x14f/0x200
[  273.494020][ T6641]  ? sb_set_blocksize+0x11b/0x210
[  273.494047][ T6641]  ? setup_bdev_super+0x4c1/0x5b0
[  273.494081][ T6641]  get_tree_bdev_flags+0x430/0x4f0
[  273.494111][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  273.494141][ T6641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  273.494182][ T6641]  gfs2_get_tree+0x51/0x1e0
[  273.494215][ T6641]  vfs_get_tree+0x92/0x2a0
[  273.494246][ T6641]  do_new_mount+0x319/0xdc0
[  273.494277][ T6641]  ? __pfx_do_new_mount+0x10/0x10
[  273.494303][ T6641]  ? ns_capable+0x89/0xe0
[  273.494327][ T6641]  ? path_mount+0x647/0x1040
[  273.494353][ T6641]  ? user_path_at+0xd4/0x160
[  273.494380][ T6641]  __se_sys_mount+0x31d/0x420
[  273.494412][ T6641]  ? __pfx___se_sys_mount+0x10/0x10
[  273.494441][ T6641]  ? __x64_sys_mount+0x20/0xc0
[  273.494463][ T6641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.494487][ T6641]  do_syscall_64+0x174/0x580
[  273.494513][ T6641]  ? trace_irq_disable+0x3b/0x140
[  273.494542][ T6641]  ? clear_bhb_loop+0x40/0x90
[  273.494568][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  273.494588][ T6641] RIP: 0033:0x7f7fbe4de0ca
[  273.494609][ T6641] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  273.494628][ T6641] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.494653][ T6641] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  273.494669][ T6641] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  273.494683][ T6641] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  273.494698][ T6641] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  273.494712][ T6641] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  273.494748][ T6641]  </TASK>
[  273.530601][ 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.
[  273.530624][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.091068][ T6644] loop1: detected capacity change from 0 to 32768
[  274.104813][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.104839][ T6644] CPU: 0 UID: 0 PID: 6644 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  274.104865][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  274.104878][ T6644] Call Trace:
[  274.104887][ T6644]  <TASK>
[  274.104896][ T6644]  dump_stack_lvl+0xe8/0x150
[  274.104932][ T6644]  sysfs_create_dir_ns+0x271/0x2a0
[  274.104958][ T6644]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  274.104984][ T6644]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.105014][ T6644]  ? rt_spin_unlock+0x160/0x200
[  274.105040][ T6644]  kobject_add_internal+0x62c/0xce0
[  274.105070][ T6644]  kobject_init_and_add+0x12b/0x1a0
[  274.105111][ T6644]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.105147][ T6644]  ? __raw_spin_lock_init+0x45/0x100
[  274.105177][ T6644]  ? __init_swait_queue_head+0xa8/0x150
[  274.105207][ T6644]  gfs2_sys_fs_add+0x257/0x480
[  274.105232][ T6644]  ? is_dynamic_key+0x1aa/0x1c0
[  274.105262][ T6644]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.105306][ T6644]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.105350][ T6644]  gfs2_fill_super+0x1368/0x20f0
[  274.105396][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.105425][ T6644]  ? rt_spin_unlock+0x14f/0x200
[  274.105452][ T6644]  ? sb_set_blocksize+0x11b/0x210
[  274.105479][ T6644]  ? setup_bdev_super+0x4c1/0x5b0
[  274.105514][ T6644]  get_tree_bdev_flags+0x430/0x4f0
[  274.105544][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.105573][ T6644]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.105615][ T6644]  gfs2_get_tree+0x51/0x1e0
[  274.105649][ T6644]  vfs_get_tree+0x92/0x2a0
[  274.105681][ T6644]  do_new_mount+0x319/0xdc0
[  274.105713][ T6644]  ? __pfx_do_new_mount+0x10/0x10
[  274.105739][ T6644]  ? ns_capable+0x89/0xe0
[  274.105762][ T6644]  ? path_mount+0x647/0x1040
[  274.105788][ T6644]  ? user_path_at+0xd4/0x160
[  274.105812][ T6644]  __se_sys_mount+0x31d/0x420
[  274.105841][ T6644]  ? __pfx___se_sys_mount+0x10/0x10
[  274.105872][ T6644]  ? __x64_sys_mount+0x20/0xc0
[  274.105894][ T6644]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.105917][ T6644]  do_syscall_64+0x174/0x580
[  274.105942][ T6644]  ? trace_irq_disable+0x3b/0x140
[  274.105974][ T6644]  ? clear_bhb_loop+0x40/0x90
[  274.106000][ T6644]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.106021][ T6644] RIP: 0033:0x7f7fbe4de0ca
[  274.106043][ T6644] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.106061][ T6644] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.106087][ T6644] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  274.106103][ T6644] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  274.106119][ T6644] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  274.106134][ T6644] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  274.106148][ T6644] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  274.106183][ T6644]  </TASK>
[  274.112338][ 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.
[  274.112362][ T6644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.747759][ T6647] loop1: detected capacity change from 0 to 32768
[  274.762886][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.762912][ T6647] CPU: 0 UID: 0 PID: 6647 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  274.762940][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  274.762953][ T6647] Call Trace:
[  274.762962][ T6647]  <TASK>
[  274.762971][ T6647]  dump_stack_lvl+0xe8/0x150
[  274.763006][ T6647]  sysfs_create_dir_ns+0x271/0x2a0
[  274.763031][ T6647]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  274.763058][ T6647]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  274.763087][ T6647]  ? rt_spin_unlock+0x160/0x200
[  274.763117][ T6647]  kobject_add_internal+0x62c/0xce0
[  274.763147][ T6647]  kobject_init_and_add+0x12b/0x1a0
[  274.763186][ T6647]  ? __pfx_kobject_init_and_add+0x10/0x10
[  274.763222][ T6647]  ? __raw_spin_lock_init+0x45/0x100
[  274.763249][ T6647]  ? __init_swait_queue_head+0xa8/0x150
[  274.763279][ T6647]  gfs2_sys_fs_add+0x257/0x480
[  274.763305][ T6647]  ? is_dynamic_key+0x1aa/0x1c0
[  274.763334][ T6647]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  274.763368][ T6647]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  274.763412][ T6647]  gfs2_fill_super+0x1368/0x20f0
[  274.763465][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.763494][ T6647]  ? rt_spin_unlock+0x14f/0x200
[  274.763522][ T6647]  ? sb_set_blocksize+0x11b/0x210
[  274.763549][ T6647]  ? setup_bdev_super+0x4c1/0x5b0
[  274.763581][ T6647]  get_tree_bdev_flags+0x430/0x4f0
[  274.763610][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  274.763641][ T6647]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  274.763683][ T6647]  gfs2_get_tree+0x51/0x1e0
[  274.763719][ T6647]  vfs_get_tree+0x92/0x2a0
[  274.763750][ T6647]  do_new_mount+0x319/0xdc0
[  274.763782][ T6647]  ? __pfx_do_new_mount+0x10/0x10
[  274.763809][ T6647]  ? ns_capable+0x89/0xe0
[  274.763832][ T6647]  ? path_mount+0x647/0x1040
[  274.763860][ T6647]  ? user_path_at+0xd4/0x160
[  274.763890][ T6647]  __se_sys_mount+0x31d/0x420
[  274.763917][ T6647]  ? __pfx___se_sys_mount+0x10/0x10
[  274.763947][ T6647]  ? __x64_sys_mount+0x20/0xc0
[  274.763968][ T6647]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.763993][ T6647]  do_syscall_64+0x174/0x580
[  274.764020][ T6647]  ? trace_irq_disable+0x3b/0x140
[  274.764048][ T6647]  ? clear_bhb_loop+0x40/0x90
[  274.764072][ T6647]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  274.764092][ T6647] RIP: 0033:0x7f7fbe4de0ca
[  274.764115][ T6647] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.764133][ T6647] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.764157][ T6647] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  274.764173][ T6647] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  274.764188][ T6647] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  274.764203][ T6647] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  274.764217][ T6647] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  274.764253][ T6647]  </TASK>
[  274.816051][ 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.
[  274.816074][ T6647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.381582][ T6650] loop1: detected capacity change from 0 to 32768
[  275.408313][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.408341][ T6650] CPU: 1 UID: 0 PID: 6650 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  275.408368][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  275.408382][ T6650] Call Trace:
[  275.408391][ T6650]  <TASK>
[  275.408410][ T6650]  dump_stack_lvl+0xe8/0x150
[  275.408445][ T6650]  sysfs_create_dir_ns+0x271/0x2a0
[  275.408471][ T6650]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  275.408496][ T6650]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  275.408525][ T6650]  ? rt_spin_unlock+0x160/0x200
[  275.408551][ T6650]  kobject_add_internal+0x62c/0xce0
[  275.408580][ T6650]  kobject_init_and_add+0x12b/0x1a0
[  275.408620][ T6650]  ? __pfx_kobject_init_and_add+0x10/0x10
[  275.408655][ T6650]  ? __raw_spin_lock_init+0x45/0x100
[  275.408684][ T6650]  ? __init_swait_queue_head+0xa8/0x150
[  275.408714][ T6650]  gfs2_sys_fs_add+0x257/0x480
[  275.408737][ T6650]  ? is_dynamic_key+0x1aa/0x1c0
[  275.408770][ T6650]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  275.408805][ T6650]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  275.408847][ T6650]  gfs2_fill_super+0x1368/0x20f0
[  275.408891][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.408919][ T6650]  ? rt_spin_unlock+0x14f/0x200
[  275.408947][ T6650]  ? sb_set_blocksize+0x11b/0x210
[  275.408975][ T6650]  ? setup_bdev_super+0x4c1/0x5b0
[  275.409007][ T6650]  get_tree_bdev_flags+0x430/0x4f0
[  275.409038][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  275.409068][ T6650]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  275.409107][ T6650]  gfs2_get_tree+0x51/0x1e0
[  275.409141][ T6650]  vfs_get_tree+0x92/0x2a0
[  275.409174][ T6650]  do_new_mount+0x319/0xdc0
[  275.409205][ T6650]  ? __pfx_do_new_mount+0x10/0x10
[  275.409231][ T6650]  ? ns_capable+0x89/0xe0
[  275.409255][ T6650]  ? path_mount+0x647/0x1040
[  275.409280][ T6650]  ? user_path_at+0xd4/0x160
[  275.409307][ T6650]  __se_sys_mount+0x31d/0x420
[  275.409338][ T6650]  ? __pfx___se_sys_mount+0x10/0x10
[  275.409370][ T6650]  ? __x64_sys_mount+0x20/0xc0
[  275.409392][ T6650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.409425][ T6650]  do_syscall_64+0x174/0x580
[  275.409453][ T6650]  ? trace_irq_disable+0x3b/0x140
[  275.409480][ T6650]  ? clear_bhb_loop+0x40/0x90
[  275.409506][ T6650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  275.409527][ T6650] RIP: 0033:0x7f7fbe4de0ca
[  275.409548][ T6650] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.409566][ T6650] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.409590][ T6650] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  275.409606][ T6650] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  275.409621][ T6650] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  275.409636][ T6650] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  275.409651][ T6650] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  275.409685][ T6650]  </TASK>
[  275.418736][ 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.
[  275.418759][ T6650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.022048][ T6653] loop1: detected capacity change from 0 to 32768
[  276.028313][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.028338][ T6653] CPU: 1 UID: 0 PID: 6653 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  276.028369][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  276.028380][ T6653] Call Trace:
[  276.028389][ T6653]  <TASK>
[  276.028397][ T6653]  dump_stack_lvl+0xe8/0x150
2026/06/20 12:38:50 executed programs: 213
[  276.028428][ T6653]  sysfs_create_dir_ns+0x271/0x2a0
[  276.028450][ T6653]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  276.028473][ T6653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  276.028500][ T6653]  ? rt_spin_unlock+0x160/0x200
[  276.028523][ T6653]  kobject_add_internal+0x62c/0xce0
[  276.028550][ T6653]  kobject_init_and_add+0x12b/0x1a0
[  276.028584][ T6653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  276.028615][ T6653]  ? __raw_spin_lock_init+0x45/0x100
[  276.028641][ T6653]  ? __init_swait_queue_head+0xa8/0x150
[  276.028668][ T6653]  gfs2_sys_fs_add+0x257/0x480
[  276.028690][ T6653]  ? is_dynamic_key+0x1aa/0x1c0
[  276.028716][ T6653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  276.028748][ T6653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  276.028786][ T6653]  gfs2_fill_super+0x1368/0x20f0
[  276.028825][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.028849][ T6653]  ? rt_spin_unlock+0x14f/0x200
[  276.028873][ T6653]  ? sb_set_blocksize+0x11b/0x210
[  276.028897][ T6653]  ? setup_bdev_super+0x4c1/0x5b0
[  276.028927][ T6653]  get_tree_bdev_flags+0x430/0x4f0
[  276.028957][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.028983][ T6653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.029020][ T6653]  gfs2_get_tree+0x51/0x1e0
[  276.029050][ T6653]  vfs_get_tree+0x92/0x2a0
[  276.029078][ T6653]  do_new_mount+0x319/0xdc0
[  276.029105][ T6653]  ? __pfx_do_new_mount+0x10/0x10
[  276.029129][ T6653]  ? ns_capable+0x89/0xe0
[  276.029150][ T6653]  ? path_mount+0x647/0x1040
[  276.029175][ T6653]  ? user_path_at+0xd4/0x160
[  276.029200][ T6653]  __se_sys_mount+0x31d/0x420
[  276.029228][ T6653]  ? __pfx___se_sys_mount+0x10/0x10
[  276.029256][ T6653]  ? __x64_sys_mount+0x20/0xc0
[  276.029276][ T6653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.029298][ T6653]  do_syscall_64+0x174/0x580
[  276.029322][ T6653]  ? trace_irq_disable+0x3b/0x140
[  276.029353][ T6653]  ? clear_bhb_loop+0x40/0x90
[  276.029377][ T6653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.029396][ T6653] RIP: 0033:0x7f7fbe4de0ca
[  276.029416][ T6653] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.029432][ T6653] RSP: 002b:00007ffeeb9ce338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.029455][ T6653] RAX: ffffffffffffffda RBX: 00007ffeeb9ce3c0 RCX: 00007f7fbe4de0ca
[  276.029470][ T6653] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffeeb9ce380
[  276.029484][ T6653] RBP: 000020000001f680 R08: 00007ffeeb9ce3c0 R09: 0000000000000084
[  276.029497][ T6653] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  276.029510][ T6653] R13: 00007ffeeb9ce380 R14: 000000000001f791 R15: 0000200000000080
[  276.029541][ T6653]  </TASK>
[  276.029619][ T6653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.029634][ T6653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.504194][   T39] INFO: task kworker/1:1:37 blocked in I/O wait for more than 143 seconds.
[  276.504225][   T39]       Not tainted syzkaller #0
[  276.504236][   T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  276.504245][   T39] task:kworker/1:1     state:D stack:20928 pid:37    tgid:37    ppid:2      task_flags:0x4208060 flags:0x00080000
[  276.504299][   T39] Workqueue: gfs2_recovery gfs2_recover_func
[  276.504334][   T39] Call Trace:
[  276.504342][   T39]  <TASK>
[  276.504357][   T39]  __schedule+0x1709/0x5530
[  276.504412][   T39]  ? __pfx___schedule+0x10/0x10
[  276.504446][   T39]  ? schedule+0x90/0x2b0
[  276.504486][   T39]  schedule+0x164/0x2b0
[  276.504513][   T39]  io_schedule+0x7f/0xd0
[  276.504541][   T39]  folio_wait_bit_common+0x83c/0xbc0
[  276.504585][   T39]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  276.504611][   T39]  ? __pfx_wake_page_function+0x10/0x10
[  276.504655][   T39]  gfs2_jhead_process_page+0x17f/0x670
[  276.504692][   T39]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  276.504734][   T39]  gfs2_find_jhead+0xbe0/0xd20
[  276.504782][   T39]  gfs2_recover_func+0x6bd/0x1f00
[  276.504811][   T39]  ? __lock_acquire+0x683/0x2ce0
[  276.504850][   T39]  ? __lock_acquire+0x683/0x2ce0
[  276.504893][   T39]  ? __pfx_gfs2_recover_func+0x10/0x10
[  276.504924][   T39]  ? __lock_acquire+0x683/0x2ce0
[  276.504953][   T39]  ? look_up_lock_class+0x57/0x110
[  276.504990][   T39]  ? register_lock_class+0x31/0x2e0
[  276.505025][   T39]  ? __lock_acquire+0x683/0x2ce0
[  276.505069][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  276.505103][   T39]  ? process_one_work+0x8cd/0x12b0
[  276.505141][   T39]  ? process_one_work+0x8cd/0x12b0
[  276.505169][   T39]  ? rcu_is_watching+0x15/0xb0
[  276.505189][   T39]  ? process_one_work+0x8cd/0x12b0
[  276.505230][   T39]  ? process_one_work+0x8cd/0x12b0
[  276.505259][   T39]  process_one_work+0x93a/0x12b0
[  276.505310][   T39]  ? __pfx_process_one_work+0x10/0x10
[  276.505347][   T39]  ? do_raw_spin_lock+0x12b/0x2f0
[  276.505398][   T39]  ? assign_work+0x3cf/0x5d0
[  276.505437][   T39]  worker_thread+0xb05/0x10d0
[  276.505482][   T39]  kthread+0x388/0x470
[  276.505508][   T39]  ? __pfx_worker_thread+0x10/0x10
[  276.505526][   T39]  ? __pfx_kthread+0x10/0x10
[  276.505553][   T39]  ret_from_fork+0x514/0xb70
[  276.505591][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  276.505650][   T39]  ? __switch_to+0xc89/0x1420
[  276.505685][   T39]  ? __pfx_kthread+0x10/0x10
[  276.505713][   T39]  ret_from_fork_asm+0x1a/0x30
[  276.505761][   T39]  </TASK>
[  276.505875][   T39] INFO: task syz.0.25:5997 blocked for more than 143 seconds.
[  276.505891][   T39]       Not tainted syzkaller #0
[  276.505901][   T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  276.505911][   T39] task:syz.0.25        state:D stack:25488 pid:5997  tgid:5997  ppid:5812   task_flags:0x400140 flags:0x00080002
[  276.505982][   T39] Call Trace:
[  276.505989][   T39]  <TASK>
[  276.506002][   T39]  __schedule+0x1709/0x5530
[  276.506059][   T39]  ? __pfx___schedule+0x10/0x10
[  276.506082][   T39]  ? schedule+0x90/0x2b0
[  276.506118][   T39]  ? schedule+0x90/0x2b0
[  276.506149][   T39]  schedule+0x164/0x2b0
[  276.506178][   T39]  bit_wait+0x11/0xd0
[  276.506207][   T39]  __wait_on_bit+0xac/0x2f0
[  276.506236][   T39]  ? __pfx_bit_wait+0x10/0x10
[  276.506265][   T39]  out_of_line_wait_on_bit+0x13b/0x190
[  276.506294][   T39]  ? __pfx_bit_wait+0x10/0x10
[  276.506320][   T39]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  276.506352][   T39]  ? __pfx_wake_bit_function+0x10/0x10
[  276.506390][   T39]  gfs2_recover_journal+0xda/0x140
[  276.506421][   T39]  init_journal+0x1af4/0x2330
[  276.506473][   T39]  ? init_inodes+0xdb/0x320
[  276.506510][   T39]  ? __pfx_init_journal+0x10/0x10
[  276.506557][   T39]  ? snprintf+0xe8/0x140
[  276.506591][   T39]  ? init_inodes+0xdb/0x320
[  276.506622][   T39]  ? __pfx_snprintf+0x10/0x10
[  276.506648][   T39]  ? gfs2_glock_nq_num+0x13d/0x170
[  276.506673][   T39]  init_inodes+0xdb/0x320
[  276.506706][   T39]  gfs2_fill_super+0x1982/0x20f0
[  276.506751][   T39]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.506780][   T39]  ? rt_spin_unlock+0x14f/0x200
[  276.506806][   T39]  ? init_locking+0xb8/0x210
[  276.506834][   T39]  ? sb_set_blocksize+0x11b/0x210
[  276.506863][   T39]  ? setup_bdev_super+0x4c1/0x5b0
[  276.506896][   T39]  get_tree_bdev_flags+0x430/0x4f0
[  276.506927][   T39]  ? __pfx_gfs2_fill_super+0x10/0x10
[  276.506957][   T39]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  276.507005][   T39]  gfs2_get_tree+0x51/0x1e0
[  276.507040][   T39]  vfs_get_tree+0x92/0x2a0
[  276.507073][   T39]  do_new_mount+0x319/0xdc0
[  276.507107][   T39]  ? __pfx_do_new_mount+0x10/0x10
[  276.507134][   T39]  ? ns_capable+0x89/0xe0
[  276.507160][   T39]  ? path_mount+0x647/0x1040
[  276.507187][   T39]  ? user_path_at+0xd4/0x160
[  276.507216][   T39]  __se_sys_mount+0x31d/0x420
[  276.507246][   T39]  ? __pfx___se_sys_mount+0x10/0x10
[  276.507277][   T39]  ? __x64_sys_mount+0x20/0xc0
[  276.507302][   T39]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.507327][   T39]  do_syscall_64+0x174/0x580
[  276.507357][   T39]  ? trace_irq_disable+0x3b/0x140
[  276.507396][   T39]  ? clear_bhb_loop+0x40/0x90
[  276.507422][   T39]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  276.507443][   T39] RIP: 0033:0x7f999d70e0ca
[  276.507463][   T39] RSP: 002b:00007ffcac5348f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.507485][   T39] RAX: ffffffffffffffda RBX: 00007ffcac534980 RCX: 00007f999d70e0ca
[  276.507501][   T39] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffcac534940
[  276.507518][   T39] RBP: 000020000001f680 R08: 00007ffcac534980 R09: 0000000000000084
[  276.507534][   T39] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[  276.507549][   T39] R13: 00007ffcac534940 R14: 000000000001f791 R15: 0000200000000080
[  276.507583][   T39]  </TASK>
[  276.507602][   T39] 
[  276.507602][   T39] Showing all locks held in the system:
[  276.507614][   T39] 5 locks held by ktimers/1/30:
[  276.507627][   T39]  #0: ffffffff8de591a0 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420
[  276.507680][   T39]  #1: ffffffff8dfc3040 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420
[  276.507727][   T39]  #2: ffff8880b8726260 (&base->expiry_lock){+...}-{3:3}, at: __run_timer_base+0x11a/0x9b0
[  276.507782][   T39]  #3: ffffffff8dfc3040 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[  276.507831][   T39]  #4: ffffc90000a4fa80 ((&ndev->rs_timer)){+...}-{0:0}, at: call_timer_fn+0xd4/0x5e0
[  276.507883][   T39] 2 locks held by kworker/1:1/37:
[  276.507895][   T39]  #0: ffff88801ef08138 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x8cd/0x12b0
[  276.507955][   T39]  #1: ffffc90000ae7c60 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x8cd/0x12b0
[  276.508020][   T39] 1 lock held by khungtaskd/39:
[  276.508033][   T39]  #0: ffffffff8dfc3040 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  276.508126][   T39] 2 locks held by getty/5365:
[  276.508138][   T39]  #0: ffff888036cd30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  276.508196][   T39]  #1: ffffc90003cb62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360
[  276.508262][   T39] 1 lock held by syz.0.25/5997:
[  276.508274][   T39]  #0: ffff88805cafe0d0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: sget_fc+0x938/0x1910
[  276.508339][   T39] 2 locks held by syz.1.228/6656:
[  276.508351][   T39]  #0: ffff88801b6c2500 (sb_writers#5){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0
[  276.508401][   T39]  #1: ffff888059f17410 (&sb->s_type->i_mutex_key#15){+.+.}-{4:4}, at: shmem_file_write_iter+0x82/0x120
[  276.508461][   T39] 
[  276.508467][   T39] =============================================
[  276.508467][   T39] 
[  276.508477][   T39] NMI backtrace for cpu 0
[  276.508492][   T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  276.508517][   T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  276.508530][   T39] Call Trace:
[  276.508539][   T39]  <TASK>
[  276.508548][   T39]  dump_stack_lvl+0xe8/0x150
[  276.508579][   T39]  nmi_cpu_backtrace+0x274/0x2d0
[  276.508603][   T39]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  276.508633][   T39]  nmi_trigger_cpumask_backtrace+0x17a/0x380
[  276.508659][   T39]  sys_info+0x135/0x170
[  276.508680][   T39]  watchdog+0xfd7/0x1030
[  276.508715][   T39]  ? watchdog+0x1c7/0x1030
[  276.508748][   T39]  kthread+0x388/0x470
[  276.508774][   T39]  ? __pfx_watchdog+0x10/0x10
[  276.508798][   T39]  ? __pfx_kthread+0x10/0x10
[  276.508826][   T39]  ret_from_fork+0x514/0xb70
[  276.508856][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  276.508884][   T39]  ? __switch_to+0xc89/0x1420
[  276.508909][   T39]  ? __pfx_kthread+0x10/0x10
[  276.508936][   T39]  ret_from_fork_asm+0x1a/0x30
[  276.508990][   T39]  </TASK>
[  276.508999][   T39] Sending NMI from CPU 0 to CPUs 1:
[  276.509030][    C1] NMI backtrace for cpu 1
[  276.509048][    C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  276.509068][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  276.509078][    C1] RIP: 0010:unwind_next_frame+0xcbc/0x2550
[  276.509105][    C1] Code: c0 20 c8 3c 01 0f 85 76 0e 00 00 48 89 d7 e8 eb 23 00 00 48 89 c3 49 bc 00 00 00 00 00 fc ff df 48 8b 44 24 20 42 80 3c 20 00 <4d> 8d 7e 48 74 08 4c 89 ff e8 76 35 ba 00 49 89 1f 48 8b 44 24 38
[  276.509119][    C1] RSP: 0018:ffffc90000a4f2c8 EFLAGS: 00000246
[  276.509135][    C1] RAX: 1ffff92000149e82 RBX: ffffffff816d3eb3 RCX: 1ffff92000149e01
[  276.509148][    C1] RDX: ffffc90000a4f3c0 RSI: 0000000000000002 RDI: ffffc90000a4f3c0
[  276.509160][    C1] RBP: 1ffffffff2035c9f R08: ffffc90000a4f3c8 R09: 0000000000000000
[  276.509172][    C1] R10: 0000000000000000 R11: ffffffff8dfc3040 R12: dffffc0000000000
[  276.509184][    C1] R13: ffffc90000a50000 R14: ffffc90000a4f3c8 R15: ffffc90000a48000
[  276.509196][    C1] FS:  0000000000000000(0000) GS:ffff888125fd4000(0000) knlGS:0000000000000000
[  276.509211][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  276.509224][    C1] CR2: 00007f7fb673e000 CR3: 000000003e3ba000 CR4: 00000000003526f0
[  276.509241][    C1] Call Trace:
[  276.509248][    C1]  <TASK>
[  276.509257][    C1]  ? __unwind_start+0xed/0x660
[  276.509280][    C1]  ? unwind_next_frame+0x8f/0x2550
[  276.509304][    C1]  __unwind_start+0x514/0x660
[  276.509327][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  276.509349][    C1]  arch_stack_walk+0xe3/0x150
[  276.509373][    C1]  ? __unwind_start+0xed/0x660
[  276.509397][    C1]  stack_trace_save+0xa9/0x100
[  276.509417][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  276.509436][    C1]  ? kfree+0x1c5/0x6c0
[  276.509453][    C1]  ? __lock_acquire+0x683/0x2ce0
[  276.509484][    C1]  kasan_save_track+0x3e/0x80
[  276.509524][    C1]  ? ip6_mc_input+0x909/0xbc0
[  276.509540][    C1]  kasan_save_free_info+0x40/0x50
[  276.509562][    C1]  __kasan_slab_free+0x5c/0x80
[  276.509581][    C1]  kmem_cache_free+0x187/0x6c0
[  276.509600][    C1]  ? ip6_mc_input+0x909/0xbc0
[  276.509617][    C1]  ip6_mc_input+0x909/0xbc0
[  276.509635][    C1]  ? __pfx_ip6_mc_input+0x10/0x10
[  276.509653][    C1]  ? ip6_rcv_finish+0x265/0x280
[  276.509676][    C1]  NF_HOOK+0x336/0x3c0
[  276.509699][    C1]  ? __pfx_ip6_rcv_finish+0x10/0x10
[  276.509721][    C1]  ? NF_HOOK+0x9e/0x3c0
[  276.509743][    C1]  ? __pfx_NF_HOOK+0x10/0x10
[  276.509764][    C1]  ? ip6_rcv_core+0xa1/0x1870
[  276.509787][    C1]  ? __pfx_ip6_rcv_finish+0x10/0x10
[  276.509814][    C1]  ? process_backlog+0x261/0xc50
[  276.509832][    C1]  process_backlog+0x3bf/0xc50
[  276.509851][    C1]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  276.509871][    C1]  ? lockdep_hardirqs_on+0x7a/0x110
[  276.509893][    C1]  ? rt_mutex_slowunlock+0x4ee/0xa20
[  276.509914][    C1]  __napi_poll+0xae/0x550
[  276.509933][    C1]  net_rx_action+0x621/0xd70
[  276.509956][    C1]  ? __pfx_net_rx_action+0x10/0x10
[  276.509983][    C1]  ? __local_bh_disable_ip+0x3c/0x420
[  276.510003][    C1]  handle_softirqs+0x1d9/0x6c0
[  276.510023][    C1]  run_ktimerd+0x69/0x100
[  276.510041][    C1]  smpboot_thread_fn+0x57c/0xa80
[  276.510060][    C1]  ? smpboot_thread_fn+0x4e/0xa80
[  276.510080][    C1]  kthread+0x388/0x470
[  276.510099][    C1]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  276.510115][    C1]  ? __pfx_kthread+0x10/0x10
[  276.510134][    C1]  ret_from_fork+0x514/0xb70
[  276.510155][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  276.510174][    C1]  ? __switch_to+0xc89/0x1420
[  276.510192][    C1]  ? __pfx_kthread+0x10/0x10
[  276.510212][    C1]  ret_from_fork_asm+0x1a/0x30
[  276.510240][    C1]  </TASK>
[  276.511026][   T39] Kernel panic - not syncing: hung_task: blocked tasks
[  276.511043][   T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  276.511067][   T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  276.511080][   T39] Call Trace:
[  276.511088][   T39]  <TASK>
[  276.511097][   T39]  vpanic+0x56c/0xa60
[  276.511132][   T39]  ? __pfx_vpanic+0x10/0x10
[  276.511171][   T39]  panic+0xc5/0xd0
[  276.511200][   T39]  ? __pfx_panic+0x10/0x10
[  276.511233][   T39]  ? wq_watchdog_touch+0xf9/0x160
[  276.511267][   T39]  ? nmi_trigger_cpumask_backtrace+0x247/0x380
[  276.511296][   T39]  watchdog+0x1030/0x1030
[  276.511333][   T39]  ? watchdog+0x1c7/0x1030
[  276.511367][   T39]  kthread+0x388/0x470
[  276.511394][   T39]  ? __pfx_watchdog+0x10/0x10
[  276.511419][   T39]  ? __pfx_kthread+0x10/0x10
[  276.511447][   T39]  ret_from_fork+0x514/0xb70
[  276.511476][   T39]  ? __pfx_ret_from_fork+0x10/0x10
[  276.511504][   T39]  ? __switch_to+0xc89/0x1420
[  276.511530][   T39]  ? __pfx_kthread+0x10/0x10
[  276.511558][   T39]  ret_from_fork_asm+0x1a/0x30
[  276.511604][   T39]  </TASK>
[  276.511891][   T39] Kernel Offset: disabled