9]  ? __pfx_kobject_init_and_add+0x10/0x10
[  196.685766][ T6979]  ? __raw_spin_lock_init+0x45/0x100
[  196.685783][ T6979]  ? __init_swait_queue_head+0xa9/0x150
[  196.685800][ T6979]  gfs2_sys_fs_add+0x234/0x450
[  196.685821][ T6979]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  196.685844][ T6979]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  196.685866][ T6979]  gfs2_fill_super+0x13c0/0x20d0
[  196.685890][ T6979]  ? __pfx_gfs2_fill_super+0x10/0x10
[  196.685908][ T6979]  ? sb_set_blocksize+0x104/0x180
[  196.685938][ T6979]  ? setup_bdev_super+0x4c1/0x5b0
[  196.685959][ T6979]  get_tree_bdev_flags+0x40e/0x4d0
[  196.685977][ T6979]  ? __pfx_gfs2_fill_super+0x10/0x10
[  196.685995][ T6979]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  196.686015][ T6979]  gfs2_get_tree+0x51/0x1e0
[  196.686033][ T6979]  vfs_get_tree+0x92/0x2b0
[  196.686053][ T6979]  do_new_mount+0x2a2/0xa30
[  196.686074][ T6979]  ? ns_capable+0x8a/0xf0
[  196.686097][ T6979]  ? __pfx_do_new_mount+0x10/0x10
[  196.686115][ T6979]  ? path_mount+0x61c/0xfe0
[  196.686131][ T6979]  ? user_path_at+0x44/0x60
[  196.686150][ T6979]  __se_sys_mount+0x317/0x410
[  196.686170][ T6979]  ? __pfx___se_sys_mount+0x10/0x10
[  196.686189][ T6979]  ? rcu_is_watching+0x15/0xb0
[  196.686210][ T6979]  ? __x64_sys_mount+0x20/0xc0
[  196.686230][ T6979]  do_syscall_64+0xfa/0xfa0
[  196.686249][ T6979]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  196.686266][ T6979]  ? clear_bhb_loop+0x60/0xb0
[  196.686282][ T6979]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  196.686298][ T6979] RIP: 0033:0x7f75fed9038a
[  196.686314][ T6979] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  196.686329][ T6979] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  196.686348][ T6979] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  196.686360][ T6979] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  196.686373][ T6979] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  196.686385][ T6979] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  196.686397][ T6979] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  196.686417][ T6979]  </TASK>
[  196.686437][ T6979] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  197.003458][ T6979] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  197.299302][ T6984] loop1: detected capacity change from 0 to 32768
[  197.310639][ T6984] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  197.318140][ T6984] CPU: 1 UID: 0 PID: 6984 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full) 
[  197.318163][ T6984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  197.318174][ T6984] Call Trace:
[  197.318181][ T6984]  <TASK>
[  197.318197][ T6984]  dump_stack_lvl+0x189/0x250
[  197.318223][ T6984]  ? __pfx_dump_stack_lvl+0x10/0x10
[  197.318241][ T6984]  ? __pfx__printk+0x10/0x10
[  197.318260][ T6984]  ? kernfs_root+0x1c/0x230
[  197.318277][ T6984]  ? kernfs_path_from_node+0x250/0x290
[  197.318290][ T6984]  ? kernfs_path_from_node+0x2f/0x290
[  197.318306][ T6984]  sysfs_create_dir_ns+0x259/0x280
[  197.318330][ T6984]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  197.318350][ T6984]  ? do_raw_spin_unlock+0x122/0x240
[  197.318366][ T6984]  kobject_add_internal+0x59f/0xb40
[  197.318389][ T6984]  kobject_init_and_add+0x125/0x190
[  197.318410][ T6984]  ? __pfx_kobject_init_and_add+0x10/0x10
[  197.318436][ T6984]  ? __raw_spin_lock_init+0x45/0x100
[  197.318452][ T6984]  ? __init_swait_queue_head+0xa9/0x150
[  197.318469][ T6984]  gfs2_sys_fs_add+0x234/0x450
[  197.318491][ T6984]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  197.318515][ T6984]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  197.318537][ T6984]  gfs2_fill_super+0x13c0/0x20d0
[  197.318559][ T6984]  ? __pfx_gfs2_fill_super+0x10/0x10
[  197.318578][ T6984]  ? sb_set_blocksize+0x104/0x180
[  197.318600][ T6984]  ? setup_bdev_super+0x4c1/0x5b0
[  197.318620][ T6984]  get_tree_bdev_flags+0x40e/0x4d0
[  197.318639][ T6984]  ? __pfx_gfs2_fill_super+0x10/0x10
[  197.318655][ T6984]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  197.318677][ T6984]  gfs2_get_tree+0x51/0x1e0
[  197.318694][ T6984]  vfs_get_tree+0x92/0x2b0
[  197.318712][ T6984]  do_new_mount+0x2a2/0xa30
[  197.318732][ T6984]  ? ns_capable+0x8a/0xf0
[  197.318753][ T6984]  ? __pfx_do_new_mount+0x10/0x10
[  197.318771][ T6984]  ? path_mount+0x61c/0xfe0
[  197.318788][ T6984]  ? user_path_at+0x44/0x60
[  197.318807][ T6984]  __se_sys_mount+0x317/0x410
[  197.318828][ T6984]  ? __pfx___se_sys_mount+0x10/0x10
[  197.318849][ T6984]  ? rcu_is_watching+0x15/0xb0
[  197.318877][ T6984]  ? __x64_sys_mount+0x20/0xc0
[  197.318896][ T6984]  do_syscall_64+0xfa/0xfa0
[  197.318915][ T6984]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  197.318931][ T6984]  ? clear_bhb_loop+0x60/0xb0
[  197.318947][ T6984]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  197.318959][ T6984] RIP: 0033:0x7f75fed9038a
[  197.318975][ T6984] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  197.318991][ T6984] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  197.319011][ T6984] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  197.319025][ T6984] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  197.319037][ T6984] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  197.319048][ T6984] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  197.319059][ T6984] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  197.319077][ T6984]  </TASK>
[  197.620170][ T6984] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  197.634466][ T6984] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  197.930988][ T6989] loop1: detected capacity change from 0 to 32768
[  197.944455][ T6989] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  197.952979][ T6989] CPU: 1 UID: 0 PID: 6989 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full) 
[  197.953004][ T6989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  197.953015][ T6989] Call Trace:
[  197.953022][ T6989]  <TASK>
[  197.953030][ T6989]  dump_stack_lvl+0x189/0x250
[  197.953063][ T6989]  ? __pfx_dump_stack_lvl+0x10/0x10
[  197.953082][ T6989]  ? __pfx__printk+0x10/0x10
[  197.953102][ T6989]  ? kernfs_root+0x1c/0x230
[  197.953119][ T6989]  ? kernfs_path_from_node+0x250/0x290
[  197.953134][ T6989]  ? kernfs_path_from_node+0x2f/0x290
[  197.953150][ T6989]  sysfs_create_dir_ns+0x259/0x280
[  197.953172][ T6989]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  197.953194][ T6989]  ? do_raw_spin_unlock+0x122/0x240
[  197.953212][ T6989]  kobject_add_internal+0x59f/0xb40
[  197.953234][ T6989]  kobject_init_and_add+0x125/0x190
[  197.953255][ T6989]  ? __pfx_kobject_init_and_add+0x10/0x10
[  197.953273][ T6989]  ? __raw_spin_lock_init+0x45/0x100
[  197.953290][ T6989]  ? __init_swait_queue_head+0xa9/0x150
[  197.953307][ T6989]  gfs2_sys_fs_add+0x234/0x450
[  197.953329][ T6989]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  197.953352][ T6989]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  197.953374][ T6989]  gfs2_fill_super+0x13c0/0x20d0
[  197.953399][ T6989]  ? __pfx_gfs2_fill_super+0x10/0x10
[  197.953417][ T6989]  ? sb_set_blocksize+0x104/0x180
[  197.953437][ T6989]  ? setup_bdev_super+0x4c1/0x5b0
[  197.953457][ T6989]  get_tree_bdev_flags+0x40e/0x4d0
[  197.953475][ T6989]  ? __pfx_gfs2_fill_super+0x10/0x10
[  197.953493][ T6989]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  197.953517][ T6989]  gfs2_get_tree+0x51/0x1e0
[  197.953535][ T6989]  vfs_get_tree+0x92/0x2b0
[  197.953553][ T6989]  do_new_mount+0x2a2/0xa30
[  197.953573][ T6989]  ? ns_capable+0x8a/0xf0
[  197.953594][ T6989]  ? __pfx_do_new_mount+0x10/0x10
[  197.953613][ T6989]  ? path_mount+0x61c/0xfe0
[  197.953630][ T6989]  ? user_path_at+0x44/0x60
[  197.953648][ T6989]  __se_sys_mount+0x317/0x410
[  197.953670][ T6989]  ? __pfx___se_sys_mount+0x10/0x10
[  197.953692][ T6989]  ? rcu_is_watching+0x15/0xb0
[  197.953713][ T6989]  ? __x64_sys_mount+0x20/0xc0
[  197.953734][ T6989]  do_syscall_64+0xfa/0xfa0
[  197.953753][ T6989]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  197.953770][ T6989]  ? clear_bhb_loop+0x60/0xb0
[  197.953787][ T6989]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  197.953803][ T6989] RIP: 0033:0x7f75fed9038a
[  197.953818][ T6989] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  197.953833][ T6989] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  197.953853][ T6989] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  197.953865][ T6989] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  197.953875][ T6989] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  197.953886][ T6989] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  197.953897][ T6989] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  197.953916][ T6989]  </TASK>
[  197.953960][ T6989] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  198.277118][ T6989] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  198.567659][ T6994] loop1: detected capacity change from 0 to 32768
[  198.581431][ T6994] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  198.589646][ T6994] CPU: 1 UID: 0 PID: 6994 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full) 
[  198.589672][ T6994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  198.589682][ T6994] Call Trace:
[  198.589689][ T6994]  <TASK>
[  198.589696][ T6994]  dump_stack_lvl+0x189/0x250
[  198.589721][ T6994]  ? __pfx_dump_stack_lvl+0x10/0x10
[  198.589740][ T6994]  ? __pfx__printk+0x10/0x10
[  198.589760][ T6994]  ? kernfs_root+0x1c/0x230
[  198.589775][ T6994]  ? kernfs_path_from_node+0x250/0x290
[  198.589790][ T6994]  ? kernfs_path_from_node+0x2f/0x290
[  198.589804][ T6994]  sysfs_create_dir_ns+0x259/0x280
[  198.589834][ T6994]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  198.589856][ T6994]  ? do_raw_spin_unlock+0x122/0x240
[  198.589875][ T6994]  kobject_add_internal+0x59f/0xb40
[  198.589898][ T6994]  kobject_init_and_add+0x125/0x190
[  198.589918][ T6994]  ? __pfx_kobject_init_and_add+0x10/0x10
[  198.589937][ T6994]  ? __raw_spin_lock_init+0x45/0x100
[  198.589953][ T6994]  ? __init_swait_queue_head+0xa9/0x150
[  198.589970][ T6994]  gfs2_sys_fs_add+0x234/0x450
[  198.589992][ T6994]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  198.590014][ T6994]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  198.590035][ T6994]  gfs2_fill_super+0x13c0/0x20d0
[  198.590058][ T6994]  ? __pfx_gfs2_fill_super+0x10/0x10
[  198.590076][ T6994]  ? sb_set_blocksize+0x104/0x180
[  198.590098][ T6994]  ? setup_bdev_super+0x4c1/0x5b0
[  198.590118][ T6994]  get_tree_bdev_flags+0x40e/0x4d0
[  198.590137][ T6994]  ? __pfx_gfs2_fill_super+0x10/0x10
[  198.590153][ T6994]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  198.590176][ T6994]  gfs2_get_tree+0x51/0x1e0
[  198.590193][ T6994]  vfs_get_tree+0x92/0x2b0
[  198.590212][ T6994]  do_new_mount+0x2a2/0xa30
[  198.590233][ T6994]  ? ns_capable+0x8a/0xf0
[  198.590253][ T6994]  ? __pfx_do_new_mount+0x10/0x10
[  198.590271][ T6994]  ? path_mount+0x61c/0xfe0
[  198.590288][ T6994]  ? user_path_at+0x44/0x60
[  198.590308][ T6994]  __se_sys_mount+0x317/0x410
[  198.590330][ T6994]  ? __pfx___se_sys_mount+0x10/0x10
[  198.590351][ T6994]  ? rcu_is_watching+0x15/0xb0
[  198.590372][ T6994]  ? __x64_sys_mount+0x20/0xc0
[  198.590392][ T6994]  do_syscall_64+0xfa/0xfa0
[  198.590411][ T6994]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  198.590428][ T6994]  ? clear_bhb_loop+0x60/0xb0
[  198.590445][ T6994]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  198.590461][ T6994] RIP: 0033:0x7f75fed9038a
[  198.590477][ T6994] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  198.590491][ T6994] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  198.590510][ T6994] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  198.590524][ T6994] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  198.590537][ T6994] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  198.590549][ T6994] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  198.590561][ T6994] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  198.590580][ T6994]  </TASK>
[  198.590604][ T6994] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  198.908455][ T6994] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  199.202942][ T6999] loop1: detected capacity change from 0 to 32768
[  199.216653][ T6999] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  199.224816][ T6999] CPU: 1 UID: 0 PID: 6999 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
[  199.224840][ T6999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  199.224851][ T6999] Call Trace:
[  199.224858][ T6999]  <TASK>
[  199.224866][ T6999]  dump_stack_lvl+0x189/0x250
[  199.224889][ T6999]  ? __pfx_dump_stack_lvl+0x10/0x10
[  199.224906][ T6999]  ? __pfx__printk+0x10/0x10
[  199.224924][ T6999]  ? kernfs_root+0x1c/0x230
[  199.224939][ T6999]  ? kernfs_path_from_node+0x250/0x290
[  199.224953][ T6999]  ? kernfs_path_from_node+0x2f/0x290
[  199.224968][ T6999]  sysfs_create_dir_ns+0x259/0x280
[  199.224989][ T6999]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  199.225011][ T6999]  ? do_raw_spin_unlock+0x122/0x240
[  199.225029][ T6999]  kobject_add_internal+0x59f/0xb40
[  199.225053][ T6999]  kobject_init_and_add+0x125/0x190
[  199.225075][ T6999]  ? __pfx_kobject_init_and_add+0x10/0x10
[  199.225094][ T6999]  ? __raw_spin_lock_init+0x45/0x100
[  199.225112][ T6999]  ? __init_swait_queue_head+0xa9/0x150
[  199.225129][ T6999]  gfs2_sys_fs_add+0x234/0x450
[  199.225152][ T6999]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  199.225176][ T6999]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  199.225199][ T6999]  gfs2_fill_super+0x13c0/0x20d0
[  199.225223][ T6999]  ? __pfx_gfs2_fill_super+0x10/0x10
[  199.225242][ T6999]  ? sb_set_blocksize+0x104/0x180
[  199.225263][ T6999]  ? setup_bdev_super+0x4c1/0x5b0
[  199.225283][ T6999]  get_tree_bdev_flags+0x40e/0x4d0
[  199.225302][ T6999]  ? __pfx_gfs2_fill_super+0x10/0x10
[  199.225319][ T6999]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  199.225343][ T6999]  gfs2_get_tree+0x51/0x1e0
[  199.225361][ T6999]  vfs_get_tree+0x92/0x2b0
[  199.225380][ T6999]  do_new_mount+0x2a2/0xa30
[  199.225401][ T6999]  ? ns_capable+0x8a/0xf0
[  199.225422][ T6999]  ? __pfx_do_new_mount+0x10/0x10
[  199.225441][ T6999]  ? path_mount+0x61c/0xfe0
[  199.225459][ T6999]  ? user_path_at+0x44/0x60
[  199.225478][ T6999]  __se_sys_mount+0x317/0x410
[  199.225499][ T6999]  ? __pfx___se_sys_mount+0x10/0x10
[  199.225517][ T6999]  ? rcu_is_watching+0x15/0xb0
[  199.225537][ T6999]  ? __x64_sys_mount+0x20/0xc0
[  199.225554][ T6999]  do_syscall_64+0xfa/0xfa0
[  199.225571][ T6999]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  199.225585][ T6999]  ? clear_bhb_loop+0x60/0xb0
[  199.225600][ T6999]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  199.225615][ T6999] RIP: 0033:0x7f75fed9038a
[  199.225629][ T6999] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  199.225644][ T6999] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  199.225662][ T6999] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  199.225673][ T6999] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  199.225684][ T6999] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  199.225694][ T6999] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  199.225705][ T6999] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  199.225723][ T6999]  </TASK>
[  199.225759][ T6999] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  199.547464][ T6999] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  199.887346][ T7004] loop1: detected capacity change from 0 to 32768
[  199.898151][ T7004] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  199.906242][ T7004] CPU: 0 UID: 0 PID: 7004 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full) 
[  199.906266][ T7004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  199.906276][ T7004] Call Trace:
[  199.906283][ T7004]  <TASK>
[  199.906289][ T7004]  dump_stack_lvl+0x189/0x250
[  199.906315][ T7004]  ? __pfx_dump_stack_lvl+0x10/0x10
[  199.906333][ T7004]  ? __pfx__printk+0x10/0x10
[  199.906354][ T7004]  ? kernfs_root+0x1c/0x230
[  199.906371][ T7004]  ? kernfs_path_from_node+0x250/0x290
[  199.906386][ T7004]  ? kernfs_path_from_node+0x2f/0x290
[  199.906402][ T7004]  sysfs_create_dir_ns+0x259/0x280
[  199.906425][ T7004]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  199.906447][ T7004]  ? do_raw_spin_unlock+0x122/0x240
[  199.906465][ T7004]  kobject_add_internal+0x59f/0xb40
[  199.906487][ T7004]  kobject_init_and_add+0x125/0x190
[  199.906507][ T7004]  ? __pfx_kobject_init_and_add+0x10/0x10
[  199.906525][ T7004]  ? __raw_spin_lock_init+0x45/0x100
[  199.906542][ T7004]  ? __init_swait_queue_head+0xa9/0x150
[  199.906559][ T7004]  gfs2_sys_fs_add+0x234/0x450
[  199.906581][ T7004]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  199.906603][ T7004]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  199.906639][ T7004]  gfs2_fill_super+0x13c0/0x20d0
[  199.906662][ T7004]  ? __pfx_gfs2_fill_super+0x10/0x10
[  199.906680][ T7004]  ? sb_set_blocksize+0x104/0x180
[  199.906701][ T7004]  ? setup_bdev_super+0x4c1/0x5b0
[  199.906721][ T7004]  get_tree_bdev_flags+0x40e/0x4d0
[  199.906738][ T7004]  ? __pfx_gfs2_fill_super+0x10/0x10
[  199.906755][ T7004]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  199.906777][ T7004]  gfs2_get_tree+0x51/0x1e0
[  199.906795][ T7004]  vfs_get_tree+0x92/0x2b0
[  199.906814][ T7004]  do_new_mount+0x2a2/0xa30
[  199.906836][ T7004]  ? ns_capable+0x8a/0xf0
[  199.906857][ T7004]  ? __pfx_do_new_mount+0x10/0x10
[  199.906875][ T7004]  ? path_mount+0x61c/0xfe0
[  199.906892][ T7004]  ? user_path_at+0x44/0x60
[  199.906909][ T7004]  __se_sys_mount+0x317/0x410
[  199.906929][ T7004]  ? __pfx___se_sys_mount+0x10/0x10
[  199.906949][ T7004]  ? rcu_is_watching+0x15/0xb0
[  199.906969][ T7004]  ? __x64_sys_mount+0x20/0xc0
[  199.906989][ T7004]  do_syscall_64+0xfa/0xfa0
[  199.907008][ T7004]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  199.907024][ T7004]  ? clear_bhb_loop+0x60/0xb0
[  199.907041][ T7004]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  199.907057][ T7004] RIP: 0033:0x7f75fed9038a
[  199.907073][ T7004] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  199.907088][ T7004] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  199.907106][ T7004] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  199.907119][ T7004] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  199.907131][ T7004] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  199.907143][ T7004] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  199.907155][ T7004] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  199.907175][ T7004]  </TASK>
[  199.907203][ T7004] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  200.227223][ T7004] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 17:40:31 executed programs: 189
[  200.521725][ T7009] loop1: detected capacity change from 0 to 32768
[  200.531533][ T7009] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  200.539729][ T7009] CPU: 0 UID: 0 PID: 7009 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full) 
[  200.539753][ T7009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  200.539764][ T7009] Call Trace:
[  200.539771][ T7009]  <TASK>
[  200.539778][ T7009]  dump_stack_lvl+0x189/0x250
[  200.539802][ T7009]  ? __pfx_dump_stack_lvl+0x10/0x10
[  200.539829][ T7009]  ? __pfx__printk+0x10/0x10
[  200.539848][ T7009]  ? kernfs_root+0x1c/0x230
[  200.539865][ T7009]  ? kernfs_path_from_node+0x250/0x290
[  200.539879][ T7009]  ? kernfs_path_from_node+0x2f/0x290
[  200.539894][ T7009]  sysfs_create_dir_ns+0x259/0x280
[  200.539918][ T7009]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  200.539941][ T7009]  ? do_raw_spin_unlock+0x122/0x240
[  200.539959][ T7009]  kobject_add_internal+0x59f/0xb40
[  200.539982][ T7009]  kobject_init_and_add+0x125/0x190
[  200.540004][ T7009]  ? __pfx_kobject_init_and_add+0x10/0x10
[  200.540023][ T7009]  ? __raw_spin_lock_init+0x45/0x100
[  200.540040][ T7009]  ? __init_swait_queue_head+0xa9/0x150
[  200.540057][ T7009]  gfs2_sys_fs_add+0x234/0x450
[  200.540079][ T7009]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  200.540103][ T7009]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  200.540126][ T7009]  gfs2_fill_super+0x13c0/0x20d0
[  200.540150][ T7009]  ? __pfx_gfs2_fill_super+0x10/0x10
[  200.540168][ T7009]  ? sb_set_blocksize+0x104/0x180
[  200.540190][ T7009]  ? setup_bdev_super+0x4c1/0x5b0
[  200.540210][ T7009]  get_tree_bdev_flags+0x40e/0x4d0
[  200.540229][ T7009]  ? __pfx_gfs2_fill_super+0x10/0x10
[  200.540246][ T7009]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  200.540270][ T7009]  gfs2_get_tree+0x51/0x1e0
[  200.540288][ T7009]  vfs_get_tree+0x92/0x2b0
[  200.540307][ T7009]  do_new_mount+0x2a2/0xa30
[  200.540329][ T7009]  ? ns_capable+0x8a/0xf0
[  200.540351][ T7009]  ? __pfx_do_new_mount+0x10/0x10
[  200.540369][ T7009]  ? path_mount+0x61c/0xfe0
[  200.540387][ T7009]  ? user_path_at+0x44/0x60
[  200.540404][ T7009]  __se_sys_mount+0x317/0x410
[  200.540423][ T7009]  ? __pfx___se_sys_mount+0x10/0x10
[  200.540441][ T7009]  ? rcu_is_watching+0x15/0xb0
[  200.540459][ T7009]  ? __x64_sys_mount+0x20/0xc0
[  200.540477][ T7009]  do_syscall_64+0xfa/0xfa0
[  200.540496][ T7009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  200.540513][ T7009]  ? clear_bhb_loop+0x60/0xb0
[  200.540529][ T7009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  200.540544][ T7009] RIP: 0033:0x7f75fed9038a
[  200.540559][ T7009] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  200.540572][ T7009] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  200.540588][ T7009] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  200.540600][ T7009] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  200.540611][ T7009] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  200.540622][ T7009] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  200.540633][ T7009] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  200.540650][ T7009]  </TASK>
[  200.540666][ T7009] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  200.857327][ T7009] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  201.156806][ T7014] loop1: detected capacity change from 0 to 32768
[  201.172707][ T7014] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  201.180338][ T7014] CPU: 1 UID: 0 PID: 7014 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full) 
[  201.180361][ T7014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  201.180371][ T7014] Call Trace:
[  201.180378][ T7014]  <TASK>
[  201.180384][ T7014]  dump_stack_lvl+0x189/0x250
[  201.180409][ T7014]  ? __pfx_dump_stack_lvl+0x10/0x10
[  201.180427][ T7014]  ? __pfx__printk+0x10/0x10
[  201.180446][ T7014]  ? kernfs_root+0x1c/0x230
[  201.180463][ T7014]  ? kernfs_path_from_node+0x250/0x290
[  201.180477][ T7014]  ? kernfs_path_from_node+0x2f/0x290
[  201.180492][ T7014]  sysfs_create_dir_ns+0x259/0x280
[  201.180515][ T7014]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  201.180537][ T7014]  ? do_raw_spin_unlock+0x122/0x240
[  201.180556][ T7014]  kobject_add_internal+0x59f/0xb40
[  201.180578][ T7014]  kobject_init_and_add+0x125/0x190
[  201.180599][ T7014]  ? __pfx_kobject_init_and_add+0x10/0x10
[  201.180619][ T7014]  ? __raw_spin_lock_init+0x45/0x100
[  201.180636][ T7014]  ? __init_swait_queue_head+0xa9/0x150
[  201.180654][ T7014]  gfs2_sys_fs_add+0x234/0x450
[  201.180677][ T7014]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  201.180700][ T7014]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  201.180722][ T7014]  gfs2_fill_super+0x13c0/0x20d0
[  201.180753][ T7014]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.180771][ T7014]  ? sb_set_blocksize+0x104/0x180
[  201.180792][ T7014]  ? setup_bdev_super+0x4c1/0x5b0
[  201.180812][ T7014]  get_tree_bdev_flags+0x40e/0x4d0
[  201.180830][ T7014]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.180847][ T7014]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  201.180870][ T7014]  gfs2_get_tree+0x51/0x1e0
[  201.180888][ T7014]  vfs_get_tree+0x92/0x2b0
[  201.180906][ T7014]  do_new_mount+0x2a2/0xa30
[  201.180926][ T7014]  ? ns_capable+0x8a/0xf0
[  201.180947][ T7014]  ? __pfx_do_new_mount+0x10/0x10
[  201.180966][ T7014]  ? path_mount+0x61c/0xfe0
[  201.180984][ T7014]  ? user_path_at+0x44/0x60
[  201.181004][ T7014]  __se_sys_mount+0x317/0x410
[  201.181025][ T7014]  ? __pfx___se_sys_mount+0x10/0x10
[  201.181045][ T7014]  ? rcu_is_watching+0x15/0xb0
[  201.181065][ T7014]  ? __x64_sys_mount+0x20/0xc0
[  201.181084][ T7014]  do_syscall_64+0xfa/0xfa0
[  201.181103][ T7014]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.181120][ T7014]  ? clear_bhb_loop+0x60/0xb0
[  201.181138][ T7014]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.181154][ T7014] RIP: 0033:0x7f75fed9038a
[  201.181169][ T7014] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  201.181184][ T7014] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  201.181204][ T7014] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  201.181218][ T7014] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  201.181230][ T7014] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  201.181241][ T7014] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  201.181252][ T7014] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  201.181271][ T7014]  </TASK>
[  201.181291][ T7014] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  201.499951][ T7014] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  201.796832][ T7019] loop1: detected capacity change from 0 to 32768
[  201.809684][ T7019] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  201.817084][ T7019] CPU: 0 UID: 0 PID: 7019 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full) 
[  201.817105][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  201.817115][ T7019] Call Trace:
[  201.817122][ T7019]  <TASK>
[  201.817128][ T7019]  dump_stack_lvl+0x189/0x250
[  201.817153][ T7019]  ? __pfx_dump_stack_lvl+0x10/0x10
[  201.817172][ T7019]  ? __pfx__printk+0x10/0x10
[  201.817190][ T7019]  ? kernfs_root+0x1c/0x230
[  201.817206][ T7019]  ? kernfs_path_from_node+0x250/0x290
[  201.817219][ T7019]  ? kernfs_path_from_node+0x2f/0x290
[  201.817233][ T7019]  sysfs_create_dir_ns+0x259/0x280
[  201.817254][ T7019]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  201.817274][ T7019]  ? do_raw_spin_unlock+0x122/0x240
[  201.817289][ T7019]  kobject_add_internal+0x59f/0xb40
[  201.817310][ T7019]  kobject_init_and_add+0x125/0x190
[  201.817330][ T7019]  ? __pfx_kobject_init_and_add+0x10/0x10
[  201.817345][ T7019]  ? __raw_spin_lock_init+0x45/0x100
[  201.817359][ T7019]  ? __init_swait_queue_head+0xa9/0x150
[  201.817375][ T7019]  gfs2_sys_fs_add+0x234/0x450
[  201.817395][ T7019]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  201.817417][ T7019]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  201.817439][ T7019]  gfs2_fill_super+0x13c0/0x20d0
[  201.817470][ T7019]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.817488][ T7019]  ? sb_set_blocksize+0x104/0x180
[  201.817508][ T7019]  ? setup_bdev_super+0x4c1/0x5b0
[  201.817526][ T7019]  get_tree_bdev_flags+0x40e/0x4d0
[  201.817543][ T7019]  ? __pfx_gfs2_fill_super+0x10/0x10
[  201.817560][ T7019]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  201.817581][ T7019]  gfs2_get_tree+0x51/0x1e0
[  201.817597][ T7019]  vfs_get_tree+0x92/0x2b0
[  201.817615][ T7019]  do_new_mount+0x2a2/0xa30
[  201.817635][ T7019]  ? ns_capable+0x8a/0xf0
[  201.817657][ T7019]  ? __pfx_do_new_mount+0x10/0x10
[  201.817675][ T7019]  ? path_mount+0x61c/0xfe0
[  201.817692][ T7019]  ? user_path_at+0x44/0x60
[  201.817710][ T7019]  __se_sys_mount+0x317/0x410
[  201.817729][ T7019]  ? __pfx___se_sys_mount+0x10/0x10
[  201.817750][ T7019]  ? rcu_is_watching+0x15/0xb0
[  201.817770][ T7019]  ? __x64_sys_mount+0x20/0xc0
[  201.817788][ T7019]  do_syscall_64+0xfa/0xfa0
[  201.817805][ T7019]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.817820][ T7019]  ? clear_bhb_loop+0x60/0xb0
[  201.817837][ T7019]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  201.817854][ T7019] RIP: 0033:0x7f75fed9038a
[  201.817869][ T7019] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  201.817884][ T7019] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  201.817903][ T7019] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  201.817916][ T7019] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  201.817928][ T7019] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  201.817940][ T7019] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  201.817951][ T7019] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  201.817970][ T7019]  </TASK>
[  201.817991][ T7019] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  202.136395][ T7019] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  202.440557][ T7024] loop1: detected capacity change from 0 to 32768
[  202.449136][ T7024] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  202.456709][ T7024] CPU: 0 UID: 0 PID: 7024 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  202.456731][ T7024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  202.456742][ T7024] Call Trace:
[  202.456748][ T7024]  <TASK>
[  202.456755][ T7024]  dump_stack_lvl+0x189/0x250
[  202.456780][ T7024]  ? __pfx_dump_stack_lvl+0x10/0x10
[  202.456798][ T7024]  ? __pfx__printk+0x10/0x10
[  202.456817][ T7024]  ? kernfs_root+0x1c/0x230
[  202.456833][ T7024]  ? kernfs_path_from_node+0x250/0x290
[  202.456847][ T7024]  ? kernfs_path_from_node+0x2f/0x290
[  202.456863][ T7024]  sysfs_create_dir_ns+0x259/0x280
[  202.456886][ T7024]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  202.456909][ T7024]  ? do_raw_spin_unlock+0x122/0x240
[  202.456926][ T7024]  kobject_add_internal+0x59f/0xb40
[  202.456950][ T7024]  kobject_init_and_add+0x125/0x190
[  202.456971][ T7024]  ? __pfx_kobject_init_and_add+0x10/0x10
[  202.456991][ T7024]  ? __raw_spin_lock_init+0x45/0x100
[  202.457009][ T7024]  ? __init_swait_queue_head+0xa9/0x150
[  202.457027][ T7024]  gfs2_sys_fs_add+0x234/0x450
[  202.457049][ T7024]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  202.457073][ T7024]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  202.457095][ T7024]  gfs2_fill_super+0x13c0/0x20d0
[  202.457117][ T7024]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.457135][ T7024]  ? sb_set_blocksize+0x104/0x180
[  202.457156][ T7024]  ? setup_bdev_super+0x4c1/0x5b0
[  202.457175][ T7024]  get_tree_bdev_flags+0x40e/0x4d0
[  202.457193][ T7024]  ? __pfx_gfs2_fill_super+0x10/0x10
[  202.457210][ T7024]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  202.457232][ T7024]  gfs2_get_tree+0x51/0x1e0
[  202.457250][ T7024]  vfs_get_tree+0x92/0x2b0
[  202.457269][ T7024]  do_new_mount+0x2a2/0xa30
[  202.457289][ T7024]  ? ns_capable+0x8a/0xf0
[  202.457310][ T7024]  ? __pfx_do_new_mount+0x10/0x10
[  202.457329][ T7024]  ? path_mount+0x61c/0xfe0
[  202.457358][ T7024]  ? user_path_at+0x44/0x60
[  202.457377][ T7024]  __se_sys_mount+0x317/0x410
[  202.457398][ T7024]  ? __pfx___se_sys_mount+0x10/0x10
[  202.457418][ T7024]  ? rcu_is_watching+0x15/0xb0
[  202.457439][ T7024]  ? __x64_sys_mount+0x20/0xc0
[  202.457459][ T7024]  do_syscall_64+0xfa/0xfa0
[  202.457479][ T7024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.457495][ T7024]  ? clear_bhb_loop+0x60/0xb0
[  202.457512][ T7024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  202.457528][ T7024] RIP: 0033:0x7f75fed9038a
[  202.457545][ T7024] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  202.457560][ T7024] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  202.457580][ T7024] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  202.457592][ T7024] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  202.457604][ T7024] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  202.457615][ T7024] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  202.457627][ T7024] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  202.457646][ T7024]  </TASK>
[  202.457686][ T7024] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  202.775049][ T7024] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  203.073316][ T7029] loop1: detected capacity change from 0 to 32768
[  203.084776][ T7029] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  203.092629][ T7029] CPU: 1 UID: 0 PID: 7029 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  203.092659][ T7029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  203.092670][ T7029] Call Trace:
[  203.092676][ T7029]  <TASK>
[  203.092683][ T7029]  dump_stack_lvl+0x189/0x250
[  203.092709][ T7029]  ? __pfx_dump_stack_lvl+0x10/0x10
[  203.092731][ T7029]  ? __pfx__printk+0x10/0x10
[  203.092748][ T7029]  ? kernfs_root+0x1c/0x230
[  203.092764][ T7029]  ? kernfs_path_from_node+0x250/0x290
[  203.092779][ T7029]  ? kernfs_path_from_node+0x2f/0x290
[  203.092795][ T7029]  sysfs_create_dir_ns+0x259/0x280
[  203.092818][ T7029]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  203.092840][ T7029]  ? do_raw_spin_unlock+0x122/0x240
[  203.092857][ T7029]  kobject_add_internal+0x59f/0xb40
[  203.092879][ T7029]  kobject_init_and_add+0x125/0x190
[  203.092899][ T7029]  ? __pfx_kobject_init_and_add+0x10/0x10
[  203.092918][ T7029]  ? __raw_spin_lock_init+0x45/0x100
[  203.092932][ T7029]  ? __init_swait_queue_head+0xa9/0x150
[  203.092948][ T7029]  gfs2_sys_fs_add+0x234/0x450
[  203.092969][ T7029]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  203.092991][ T7029]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  203.093014][ T7029]  gfs2_fill_super+0x13c0/0x20d0
[  203.093036][ T7029]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.093054][ T7029]  ? sb_set_blocksize+0x104/0x180
[  203.093075][ T7029]  ? setup_bdev_super+0x4c1/0x5b0
[  203.093101][ T7029]  get_tree_bdev_flags+0x40e/0x4d0
[  203.093120][ T7029]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.093137][ T7029]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  203.093156][ T7029]  gfs2_get_tree+0x51/0x1e0
[  203.093178][ T7029]  vfs_get_tree+0x92/0x2b0
[  203.093197][ T7029]  do_new_mount+0x2a2/0xa30
[  203.093219][ T7029]  ? ns_capable+0x8a/0xf0
[  203.093244][ T7029]  ? __pfx_do_new_mount+0x10/0x10
[  203.093262][ T7029]  ? path_mount+0x61c/0xfe0
[  203.093278][ T7029]  ? user_path_at+0x44/0x60
[  203.093297][ T7029]  __se_sys_mount+0x317/0x410
[  203.093318][ T7029]  ? __pfx___se_sys_mount+0x10/0x10
[  203.093337][ T7029]  ? rcu_is_watching+0x15/0xb0
[  203.093358][ T7029]  ? __x64_sys_mount+0x20/0xc0
[  203.093385][ T7029]  do_syscall_64+0xfa/0xfa0
[  203.093404][ T7029]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.093421][ T7029]  ? clear_bhb_loop+0x60/0xb0
[  203.093438][ T7029]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.093453][ T7029] RIP: 0033:0x7f75fed9038a
[  203.093469][ T7029] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  203.093484][ T7029] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  203.093503][ T7029] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  203.093515][ T7029] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  203.093527][ T7029] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  203.093539][ T7029] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  203.093550][ T7029] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  203.093567][ T7029]  </TASK>
[  203.093586][ T7029] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  203.409808][ T7029] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  203.697089][ T7034] loop1: detected capacity change from 0 to 32768
[  203.708670][ T7034] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  203.716231][ T7034] CPU: 0 UID: 0 PID: 7034 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  203.716256][ T7034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  203.716267][ T7034] Call Trace:
[  203.716275][ T7034]  <TASK>
[  203.716282][ T7034]  dump_stack_lvl+0x189/0x250
[  203.716307][ T7034]  ? __pfx_dump_stack_lvl+0x10/0x10
[  203.716325][ T7034]  ? __pfx__printk+0x10/0x10
[  203.716343][ T7034]  ? kernfs_root+0x1c/0x230
[  203.716359][ T7034]  ? kernfs_path_from_node+0x250/0x290
[  203.716373][ T7034]  ? kernfs_path_from_node+0x2f/0x290
[  203.716389][ T7034]  sysfs_create_dir_ns+0x259/0x280
[  203.716411][ T7034]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  203.716431][ T7034]  ? do_raw_spin_unlock+0x122/0x240
[  203.716448][ T7034]  kobject_add_internal+0x59f/0xb40
[  203.716472][ T7034]  kobject_init_and_add+0x125/0x190
[  203.716493][ T7034]  ? __pfx_kobject_init_and_add+0x10/0x10
[  203.716512][ T7034]  ? __raw_spin_lock_init+0x45/0x100
[  203.716529][ T7034]  ? __init_swait_queue_head+0xa9/0x150
[  203.716556][ T7034]  gfs2_sys_fs_add+0x234/0x450
[  203.716578][ T7034]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  203.716602][ T7034]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  203.716622][ T7034]  gfs2_fill_super+0x13c0/0x20d0
[  203.716646][ T7034]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.716665][ T7034]  ? sb_set_blocksize+0x104/0x180
[  203.716687][ T7034]  ? setup_bdev_super+0x4c1/0x5b0
[  203.716707][ T7034]  get_tree_bdev_flags+0x40e/0x4d0
[  203.716726][ T7034]  ? __pfx_gfs2_fill_super+0x10/0x10
[  203.716742][ T7034]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  203.716764][ T7034]  gfs2_get_tree+0x51/0x1e0
[  203.716782][ T7034]  vfs_get_tree+0x92/0x2b0
[  203.716800][ T7034]  do_new_mount+0x2a2/0xa30
[  203.716821][ T7034]  ? ns_capable+0x8a/0xf0
[  203.716841][ T7034]  ? __pfx_do_new_mount+0x10/0x10
[  203.716860][ T7034]  ? path_mount+0x61c/0xfe0
[  203.716878][ T7034]  ? user_path_at+0x44/0x60
[  203.716897][ T7034]  __se_sys_mount+0x317/0x410
[  203.716919][ T7034]  ? __pfx___se_sys_mount+0x10/0x10
[  203.716948][ T7034]  ? rcu_is_watching+0x15/0xb0
[  203.716969][ T7034]  ? __x64_sys_mount+0x20/0xc0
[  203.716989][ T7034]  do_syscall_64+0xfa/0xfa0
[  203.717008][ T7034]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.717025][ T7034]  ? clear_bhb_loop+0x60/0xb0
[  203.717042][ T7034]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  203.717057][ T7034] RIP: 0033:0x7f75fed9038a
[  203.717072][ T7034] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  203.717086][ T7034] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  203.717106][ T7034] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  203.717120][ T7034] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  203.717133][ T7034] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  203.717144][ T7034] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  203.717156][ T7034] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  203.717174][ T7034]  </TASK>
[  203.717199][ T7034] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.035790][ T7034] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.327091][ T7039] loop1: detected capacity change from 0 to 32768
[  204.337870][ T7039] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.346272][ T7039] CPU: 0 UID: 0 PID: 7039 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  204.346294][ T7039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.346305][ T7039] Call Trace:
[  204.346312][ T7039]  <TASK>
[  204.346319][ T7039]  dump_stack_lvl+0x189/0x250
[  204.346344][ T7039]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.346360][ T7039]  ? __pfx__printk+0x10/0x10
[  204.346379][ T7039]  ? kernfs_root+0x1c/0x230
[  204.346396][ T7039]  ? kernfs_path_from_node+0x250/0x290
[  204.346410][ T7039]  ? kernfs_path_from_node+0x2f/0x290
[  204.346427][ T7039]  sysfs_create_dir_ns+0x259/0x280
[  204.346449][ T7039]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.346472][ T7039]  ? do_raw_spin_unlock+0x122/0x240
[  204.346489][ T7039]  kobject_add_internal+0x59f/0xb40
[  204.346510][ T7039]  kobject_init_and_add+0x125/0x190
[  204.346530][ T7039]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.346548][ T7039]  ? __raw_spin_lock_init+0x45/0x100
[  204.346564][ T7039]  ? __init_swait_queue_head+0xa9/0x150
[  204.346580][ T7039]  gfs2_sys_fs_add+0x234/0x450
[  204.346600][ T7039]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.346622][ T7039]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.346644][ T7039]  gfs2_fill_super+0x13c0/0x20d0
[  204.346667][ T7039]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.346685][ T7039]  ? sb_set_blocksize+0x104/0x180
[  204.346707][ T7039]  ? setup_bdev_super+0x4c1/0x5b0
[  204.346726][ T7039]  get_tree_bdev_flags+0x40e/0x4d0
[  204.346744][ T7039]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.346762][ T7039]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.346783][ T7039]  gfs2_get_tree+0x51/0x1e0
[  204.346799][ T7039]  vfs_get_tree+0x92/0x2b0
[  204.346818][ T7039]  do_new_mount+0x2a2/0xa30
[  204.346840][ T7039]  ? ns_capable+0x8a/0xf0
[  204.346861][ T7039]  ? __pfx_do_new_mount+0x10/0x10
[  204.346880][ T7039]  ? path_mount+0x61c/0xfe0
[  204.346897][ T7039]  ? user_path_at+0x44/0x60
[  204.346915][ T7039]  __se_sys_mount+0x317/0x410
[  204.346936][ T7039]  ? __pfx___se_sys_mount+0x10/0x10
[  204.346956][ T7039]  ? rcu_is_watching+0x15/0xb0
[  204.346976][ T7039]  ? __x64_sys_mount+0x20/0xc0
[  204.346995][ T7039]  do_syscall_64+0xfa/0xfa0
[  204.347014][ T7039]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.347030][ T7039]  ? clear_bhb_loop+0x60/0xb0
[  204.347047][ T7039]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.347063][ T7039] RIP: 0033:0x7f75fed9038a
[  204.347079][ T7039] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  204.347094][ T7039] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.347113][ T7039] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  204.347127][ T7039] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  204.347138][ T7039] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  204.347150][ T7039] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  204.347161][ T7039] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  204.347179][ T7039]  </TASK>
[  204.347204][ T7039] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.670223][ T7039] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.966801][ T7044] loop1: detected capacity change from 0 to 32768
[  204.979658][ T7044] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.987163][ T7044] CPU: 0 UID: 0 PID: 7044 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  204.987196][ T7044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  204.987207][ T7044] Call Trace:
[  204.987214][ T7044]  <TASK>
[  204.987222][ T7044]  dump_stack_lvl+0x189/0x250
[  204.987248][ T7044]  ? __pfx_dump_stack_lvl+0x10/0x10
[  204.987267][ T7044]  ? __pfx__printk+0x10/0x10
[  204.987287][ T7044]  ? kernfs_root+0x1c/0x230
[  204.987303][ T7044]  ? kernfs_path_from_node+0x250/0x290
[  204.987317][ T7044]  ? kernfs_path_from_node+0x2f/0x290
[  204.987333][ T7044]  sysfs_create_dir_ns+0x259/0x280
[  204.987356][ T7044]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  204.987379][ T7044]  ? do_raw_spin_unlock+0x122/0x240
[  204.987397][ T7044]  kobject_add_internal+0x59f/0xb40
[  204.987420][ T7044]  kobject_init_and_add+0x125/0x190
[  204.987440][ T7044]  ? __pfx_kobject_init_and_add+0x10/0x10
[  204.987460][ T7044]  ? __raw_spin_lock_init+0x45/0x100
[  204.987477][ T7044]  ? __init_swait_queue_head+0xa9/0x150
[  204.987496][ T7044]  gfs2_sys_fs_add+0x234/0x450
[  204.987518][ T7044]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  204.987541][ T7044]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  204.987564][ T7044]  gfs2_fill_super+0x13c0/0x20d0
[  204.987589][ T7044]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.987607][ T7044]  ? sb_set_blocksize+0x104/0x180
[  204.987628][ T7044]  ? setup_bdev_super+0x4c1/0x5b0
[  204.987647][ T7044]  get_tree_bdev_flags+0x40e/0x4d0
[  204.987666][ T7044]  ? __pfx_gfs2_fill_super+0x10/0x10
[  204.987693][ T7044]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  204.987716][ T7044]  gfs2_get_tree+0x51/0x1e0
[  204.987733][ T7044]  vfs_get_tree+0x92/0x2b0
[  204.987752][ T7044]  do_new_mount+0x2a2/0xa30
[  204.987771][ T7044]  ? ns_capable+0x8a/0xf0
[  204.987791][ T7044]  ? __pfx_do_new_mount+0x10/0x10
[  204.987808][ T7044]  ? path_mount+0x61c/0xfe0
[  204.987824][ T7044]  ? user_path_at+0x44/0x60
[  204.987843][ T7044]  __se_sys_mount+0x317/0x410
[  204.987864][ T7044]  ? __pfx___se_sys_mount+0x10/0x10
[  204.987885][ T7044]  ? rcu_is_watching+0x15/0xb0
[  204.987906][ T7044]  ? __x64_sys_mount+0x20/0xc0
[  204.987925][ T7044]  do_syscall_64+0xfa/0xfa0
[  204.987945][ T7044]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.987962][ T7044]  ? clear_bhb_loop+0x60/0xb0
[  204.987978][ T7044]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  204.987994][ T7044] RIP: 0033:0x7f75fed9038a
[  204.988009][ T7044] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  204.988024][ T7044] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.988044][ T7044] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  204.988058][ T7044] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  204.988071][ T7044] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  204.988083][ T7044] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  204.988094][ T7044] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  204.988113][ T7044]  </TASK>
[  204.988132][ T7044] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.306108][ T7044] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 17:40:36 executed programs: 197
[  205.602259][ T7049] loop1: detected capacity change from 0 to 32768
[  205.615971][ T7049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.623966][ T7049] CPU: 1 UID: 0 PID: 7049 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  205.623989][ T7049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  205.624000][ T7049] Call Trace:
[  205.624007][ T7049]  <TASK>
[  205.624014][ T7049]  dump_stack_lvl+0x189/0x250
[  205.624051][ T7049]  ? __pfx_dump_stack_lvl+0x10/0x10
[  205.624068][ T7049]  ? __pfx__printk+0x10/0x10
[  205.624087][ T7049]  ? kernfs_root+0x1c/0x230
[  205.624105][ T7049]  ? kernfs_path_from_node+0x250/0x290
[  205.624121][ T7049]  ? kernfs_path_from_node+0x2f/0x290
[  205.624136][ T7049]  sysfs_create_dir_ns+0x259/0x280
[  205.624158][ T7049]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  205.624180][ T7049]  ? do_raw_spin_unlock+0x122/0x240
[  205.624197][ T7049]  kobject_add_internal+0x59f/0xb40
[  205.624219][ T7049]  kobject_init_and_add+0x125/0x190
[  205.624239][ T7049]  ? __pfx_kobject_init_and_add+0x10/0x10
[  205.624257][ T7049]  ? __raw_spin_lock_init+0x45/0x100
[  205.624272][ T7049]  ? __init_swait_queue_head+0xa9/0x150
[  205.624288][ T7049]  gfs2_sys_fs_add+0x234/0x450
[  205.624310][ T7049]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  205.624333][ T7049]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  205.624355][ T7049]  gfs2_fill_super+0x13c0/0x20d0
[  205.624378][ T7049]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.624396][ T7049]  ? sb_set_blocksize+0x104/0x180
[  205.624418][ T7049]  ? setup_bdev_super+0x4c1/0x5b0
[  205.624437][ T7049]  get_tree_bdev_flags+0x40e/0x4d0
[  205.624454][ T7049]  ? __pfx_gfs2_fill_super+0x10/0x10
[  205.624471][ T7049]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  205.624492][ T7049]  gfs2_get_tree+0x51/0x1e0
[  205.624510][ T7049]  vfs_get_tree+0x92/0x2b0
[  205.624530][ T7049]  do_new_mount+0x2a2/0xa30
[  205.624551][ T7049]  ? ns_capable+0x8a/0xf0
[  205.624571][ T7049]  ? __pfx_do_new_mount+0x10/0x10
[  205.624588][ T7049]  ? path_mount+0x61c/0xfe0
[  205.624606][ T7049]  ? user_path_at+0x44/0x60
[  205.624623][ T7049]  __se_sys_mount+0x317/0x410
[  205.624642][ T7049]  ? __pfx___se_sys_mount+0x10/0x10
[  205.624663][ T7049]  ? rcu_is_watching+0x15/0xb0
[  205.624684][ T7049]  ? __x64_sys_mount+0x20/0xc0
[  205.624703][ T7049]  do_syscall_64+0xfa/0xfa0
[  205.624723][ T7049]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.624739][ T7049]  ? clear_bhb_loop+0x60/0xb0
[  205.624756][ T7049]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  205.624773][ T7049] RIP: 0033:0x7f75fed9038a
[  205.624788][ T7049] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  205.624802][ T7049] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.624820][ T7049] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  205.624833][ T7049] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  205.624846][ T7049] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  205.624858][ T7049] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  205.624870][ T7049] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  205.624890][ T7049]  </TASK>
[  205.624933][ T7049] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.941090][ T7049] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.233295][ T7054] loop1: detected capacity change from 0 to 32768
[  206.244219][ T7054] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.251893][ T7054] CPU: 1 UID: 0 PID: 7054 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  206.251917][ T7054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.251928][ T7054] Call Trace:
[  206.251935][ T7054]  <TASK>
[  206.251943][ T7054]  dump_stack_lvl+0x189/0x250
[  206.251968][ T7054]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.251986][ T7054]  ? __pfx__printk+0x10/0x10
[  206.252004][ T7054]  ? kernfs_root+0x1c/0x230
[  206.252020][ T7054]  ? kernfs_path_from_node+0x250/0x290
[  206.252035][ T7054]  ? kernfs_path_from_node+0x2f/0x290
[  206.252061][ T7054]  sysfs_create_dir_ns+0x259/0x280
[  206.252085][ T7054]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.252107][ T7054]  ? do_raw_spin_unlock+0x122/0x240
[  206.252125][ T7054]  kobject_add_internal+0x59f/0xb40
[  206.252149][ T7054]  kobject_init_and_add+0x125/0x190
[  206.252169][ T7054]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.252189][ T7054]  ? __raw_spin_lock_init+0x45/0x100
[  206.252206][ T7054]  ? __init_swait_queue_head+0xa9/0x150
[  206.252223][ T7054]  gfs2_sys_fs_add+0x234/0x450
[  206.252245][ T7054]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.252268][ T7054]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.252292][ T7054]  gfs2_fill_super+0x13c0/0x20d0
[  206.252315][ T7054]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.252334][ T7054]  ? sb_set_blocksize+0x104/0x180
[  206.252354][ T7054]  ? setup_bdev_super+0x4c1/0x5b0
[  206.252373][ T7054]  get_tree_bdev_flags+0x40e/0x4d0
[  206.252390][ T7054]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.252407][ T7054]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.252429][ T7054]  gfs2_get_tree+0x51/0x1e0
[  206.252447][ T7054]  vfs_get_tree+0x92/0x2b0
[  206.252465][ T7054]  do_new_mount+0x2a2/0xa30
[  206.252485][ T7054]  ? ns_capable+0x8a/0xf0
[  206.252505][ T7054]  ? __pfx_do_new_mount+0x10/0x10
[  206.252523][ T7054]  ? path_mount+0x61c/0xfe0
[  206.252541][ T7054]  ? user_path_at+0x44/0x60
[  206.252560][ T7054]  __se_sys_mount+0x317/0x410
[  206.252581][ T7054]  ? __pfx___se_sys_mount+0x10/0x10
[  206.252602][ T7054]  ? rcu_is_watching+0x15/0xb0
[  206.252624][ T7054]  ? __x64_sys_mount+0x20/0xc0
[  206.252644][ T7054]  do_syscall_64+0xfa/0xfa0
[  206.252664][ T7054]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.252681][ T7054]  ? clear_bhb_loop+0x60/0xb0
[  206.252698][ T7054]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.252714][ T7054] RIP: 0033:0x7f75fed9038a
[  206.252729][ T7054] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  206.252743][ T7054] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.252761][ T7054] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  206.252773][ T7054] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  206.252785][ T7054] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  206.252798][ T7054] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  206.252809][ T7054] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  206.252828][ T7054]  </TASK>
[  206.252847][ T7054] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.570420][ T7054] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.689012][   T51] Bluetooth: hci1: command 0x0406 tx timeout
[  206.873068][ T7059] loop1: detected capacity change from 0 to 32768
[  206.881683][ T7059] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.889283][ T7059] CPU: 1 UID: 0 PID: 7059 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  206.889304][ T7059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  206.889314][ T7059] Call Trace:
[  206.889328][ T7059]  <TASK>
[  206.889333][ T7059]  dump_stack_lvl+0x189/0x250
[  206.889358][ T7059]  ? __pfx_dump_stack_lvl+0x10/0x10
[  206.889376][ T7059]  ? __pfx__printk+0x10/0x10
[  206.889393][ T7059]  ? kernfs_root+0x1c/0x230
[  206.889407][ T7059]  ? kernfs_path_from_node+0x250/0x290
[  206.889420][ T7059]  ? kernfs_path_from_node+0x2f/0x290
[  206.889434][ T7059]  sysfs_create_dir_ns+0x259/0x280
[  206.889457][ T7059]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  206.889479][ T7059]  ? do_raw_spin_unlock+0x122/0x240
[  206.889496][ T7059]  kobject_add_internal+0x59f/0xb40
[  206.889519][ T7059]  kobject_init_and_add+0x125/0x190
[  206.889537][ T7059]  ? __pfx_kobject_init_and_add+0x10/0x10
[  206.889556][ T7059]  ? __raw_spin_lock_init+0x45/0x100
[  206.889570][ T7059]  ? __init_swait_queue_head+0xa9/0x150
[  206.889586][ T7059]  gfs2_sys_fs_add+0x234/0x450
[  206.889604][ T7059]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  206.889625][ T7059]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  206.889646][ T7059]  gfs2_fill_super+0x13c0/0x20d0
[  206.889667][ T7059]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.889684][ T7059]  ? sb_set_blocksize+0x104/0x180
[  206.889704][ T7059]  ? setup_bdev_super+0x4c1/0x5b0
[  206.889723][ T7059]  get_tree_bdev_flags+0x40e/0x4d0
[  206.889740][ T7059]  ? __pfx_gfs2_fill_super+0x10/0x10
[  206.889756][ T7059]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  206.889776][ T7059]  gfs2_get_tree+0x51/0x1e0
[  206.889792][ T7059]  vfs_get_tree+0x92/0x2b0
[  206.889821][ T7059]  do_new_mount+0x2a2/0xa30
[  206.889841][ T7059]  ? ns_capable+0x8a/0xf0
[  206.889861][ T7059]  ? __pfx_do_new_mount+0x10/0x10
[  206.889878][ T7059]  ? path_mount+0x61c/0xfe0
[  206.889896][ T7059]  ? user_path_at+0x44/0x60
[  206.889923][ T7059]  __se_sys_mount+0x317/0x410
[  206.889944][ T7059]  ? __pfx___se_sys_mount+0x10/0x10
[  206.889965][ T7059]  ? rcu_is_watching+0x15/0xb0
[  206.889986][ T7059]  ? __x64_sys_mount+0x20/0xc0
[  206.890005][ T7059]  do_syscall_64+0xfa/0xfa0
[  206.890023][ T7059]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.890038][ T7059]  ? clear_bhb_loop+0x60/0xb0
[  206.890054][ T7059]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  206.890069][ T7059] RIP: 0033:0x7f75fed9038a
[  206.890084][ T7059] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  206.890099][ T7059] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.890118][ T7059] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  206.890130][ T7059] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  206.890142][ T7059] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  206.890153][ T7059] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  206.890163][ T7059] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  206.890181][ T7059]  </TASK>
[  206.890200][ T7059] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.207222][ T7059] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.501973][ T7064] loop1: detected capacity change from 0 to 32768
[  207.516682][ T7064] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.524270][ T7064] CPU: 0 UID: 0 PID: 7064 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  207.524295][ T7064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  207.524306][ T7064] Call Trace:
[  207.524313][ T7064]  <TASK>
[  207.524320][ T7064]  dump_stack_lvl+0x189/0x250
[  207.524345][ T7064]  ? __pfx_dump_stack_lvl+0x10/0x10
[  207.524364][ T7064]  ? __pfx__printk+0x10/0x10
[  207.524384][ T7064]  ? kernfs_root+0x1c/0x230
[  207.524402][ T7064]  ? kernfs_path_from_node+0x250/0x290
[  207.524416][ T7064]  ? kernfs_path_from_node+0x2f/0x290
[  207.524428][ T7064]  sysfs_create_dir_ns+0x259/0x280
[  207.524448][ T7064]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  207.524467][ T7064]  ? do_raw_spin_unlock+0x122/0x240
[  207.524483][ T7064]  kobject_add_internal+0x59f/0xb40
[  207.524507][ T7064]  kobject_init_and_add+0x125/0x190
[  207.524528][ T7064]  ? __pfx_kobject_init_and_add+0x10/0x10
[  207.524548][ T7064]  ? __raw_spin_lock_init+0x45/0x100
[  207.524565][ T7064]  ? __init_swait_queue_head+0xa9/0x150
[  207.524582][ T7064]  gfs2_sys_fs_add+0x234/0x450
[  207.524604][ T7064]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  207.524627][ T7064]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  207.524650][ T7064]  gfs2_fill_super+0x13c0/0x20d0
[  207.524674][ T7064]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.524693][ T7064]  ? sb_set_blocksize+0x104/0x180
[  207.524714][ T7064]  ? setup_bdev_super+0x4c1/0x5b0
[  207.524734][ T7064]  get_tree_bdev_flags+0x40e/0x4d0
[  207.524753][ T7064]  ? __pfx_gfs2_fill_super+0x10/0x10
[  207.524771][ T7064]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  207.524794][ T7064]  gfs2_get_tree+0x51/0x1e0
[  207.524814][ T7064]  vfs_get_tree+0x92/0x2b0
[  207.524845][ T7064]  do_new_mount+0x2a2/0xa30
[  207.524867][ T7064]  ? ns_capable+0x8a/0xf0
[  207.524886][ T7064]  ? __pfx_do_new_mount+0x10/0x10
[  207.524904][ T7064]  ? path_mount+0x61c/0xfe0
[  207.524921][ T7064]  ? user_path_at+0x44/0x60
[  207.524939][ T7064]  __se_sys_mount+0x317/0x410
[  207.524960][ T7064]  ? __pfx___se_sys_mount+0x10/0x10
[  207.524981][ T7064]  ? rcu_is_watching+0x15/0xb0
[  207.525001][ T7064]  ? __x64_sys_mount+0x20/0xc0
[  207.525020][ T7064]  do_syscall_64+0xfa/0xfa0
[  207.525039][ T7064]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.525055][ T7064]  ? clear_bhb_loop+0x60/0xb0
[  207.525073][ T7064]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  207.525089][ T7064] RIP: 0033:0x7f75fed9038a
[  207.525105][ T7064] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  207.525120][ T7064] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.525139][ T7064] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  207.525152][ T7064] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  207.525163][ T7064] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  207.525175][ T7064] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  207.525185][ T7064] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  207.525203][ T7064]  </TASK>
[  207.525509][ T7064] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.848423][ T7064] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.143342][ T7069] loop1: detected capacity change from 0 to 32768
[  208.168252][ T7069] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.175893][ T7069] CPU: 1 UID: 0 PID: 7069 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  208.175918][ T7069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  208.175930][ T7069] Call Trace:
[  208.175937][ T7069]  <TASK>
[  208.175945][ T7069]  dump_stack_lvl+0x189/0x250
[  208.175971][ T7069]  ? __pfx_dump_stack_lvl+0x10/0x10
[  208.175992][ T7069]  ? __pfx__printk+0x10/0x10
[  208.176020][ T7069]  ? kernfs_root+0x1c/0x230
[  208.176038][ T7069]  ? kernfs_path_from_node+0x250/0x290
[  208.176054][ T7069]  ? kernfs_path_from_node+0x2f/0x290
[  208.176072][ T7069]  sysfs_create_dir_ns+0x259/0x280
[  208.176097][ T7069]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  208.176120][ T7069]  ? do_raw_spin_unlock+0x122/0x240
[  208.176140][ T7069]  kobject_add_internal+0x59f/0xb40
[  208.176163][ T7069]  kobject_init_and_add+0x125/0x190
[  208.176185][ T7069]  ? __pfx_kobject_init_and_add+0x10/0x10
[  208.176206][ T7069]  ? __raw_spin_lock_init+0x45/0x100
[  208.176224][ T7069]  ? __init_swait_queue_head+0xa9/0x150
[  208.176243][ T7069]  gfs2_sys_fs_add+0x234/0x450
[  208.176266][ T7069]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  208.176290][ T7069]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  208.176315][ T7069]  gfs2_fill_super+0x13c0/0x20d0
[  208.176340][ T7069]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.176360][ T7069]  ? sb_set_blocksize+0x104/0x180
[  208.176382][ T7069]  ? setup_bdev_super+0x4c1/0x5b0
[  208.176403][ T7069]  get_tree_bdev_flags+0x40e/0x4d0
[  208.176422][ T7069]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.176440][ T7069]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  208.176464][ T7069]  gfs2_get_tree+0x51/0x1e0
[  208.176484][ T7069]  vfs_get_tree+0x92/0x2b0
[  208.176504][ T7069]  do_new_mount+0x2a2/0xa30
[  208.176525][ T7069]  ? ns_capable+0x8a/0xf0
[  208.176546][ T7069]  ? __pfx_do_new_mount+0x10/0x10
[  208.176566][ T7069]  ? path_mount+0x61c/0xfe0
[  208.176585][ T7069]  ? user_path_at+0x44/0x60
[  208.176605][ T7069]  __se_sys_mount+0x317/0x410
[  208.176629][ T7069]  ? __pfx___se_sys_mount+0x10/0x10
[  208.176651][ T7069]  ? rcu_is_watching+0x15/0xb0
[  208.176671][ T7069]  ? __x64_sys_mount+0x20/0xc0
[  208.176692][ T7069]  do_syscall_64+0xfa/0xfa0
[  208.176711][ T7069]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.176729][ T7069]  ? clear_bhb_loop+0x60/0xb0
[  208.176747][ T7069]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.176764][ T7069] RIP: 0033:0x7f75fed9038a
[  208.176781][ T7069] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.176796][ T7069] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.176816][ T7069] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  208.176830][ T7069] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  208.176844][ T7069] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  208.176857][ T7069] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  208.176870][ T7069] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  208.176891][ T7069]  </TASK>
[  208.176909][ T7069] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.493276][ T7069] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.784156][ T7074] loop1: detected capacity change from 0 to 32768
[  208.798070][ T7074] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.805929][ T7074] CPU: 0 UID: 0 PID: 7074 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  208.805953][ T7074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  208.805963][ T7074] Call Trace:
[  208.805970][ T7074]  <TASK>
[  208.805977][ T7074]  dump_stack_lvl+0x189/0x250
[  208.806001][ T7074]  ? __pfx_dump_stack_lvl+0x10/0x10
[  208.806019][ T7074]  ? __pfx__printk+0x10/0x10
[  208.806037][ T7074]  ? kernfs_root+0x1c/0x230
[  208.806054][ T7074]  ? kernfs_path_from_node+0x250/0x290
[  208.806067][ T7074]  ? kernfs_path_from_node+0x2f/0x290
[  208.806084][ T7074]  sysfs_create_dir_ns+0x259/0x280
[  208.806107][ T7074]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  208.806127][ T7074]  ? do_raw_spin_unlock+0x122/0x240
[  208.806143][ T7074]  kobject_add_internal+0x59f/0xb40
[  208.806164][ T7074]  kobject_init_and_add+0x125/0x190
[  208.806183][ T7074]  ? __pfx_kobject_init_and_add+0x10/0x10
[  208.806201][ T7074]  ? __raw_spin_lock_init+0x45/0x100
[  208.806215][ T7074]  ? __init_swait_queue_head+0xa9/0x150
[  208.806231][ T7074]  gfs2_sys_fs_add+0x234/0x450
[  208.806252][ T7074]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  208.806275][ T7074]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  208.806295][ T7074]  gfs2_fill_super+0x13c0/0x20d0
[  208.806317][ T7074]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.806335][ T7074]  ? sb_set_blocksize+0x104/0x180
[  208.806356][ T7074]  ? setup_bdev_super+0x4c1/0x5b0
[  208.806375][ T7074]  get_tree_bdev_flags+0x40e/0x4d0
[  208.806393][ T7074]  ? __pfx_gfs2_fill_super+0x10/0x10
[  208.806409][ T7074]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  208.806431][ T7074]  gfs2_get_tree+0x51/0x1e0
[  208.806448][ T7074]  vfs_get_tree+0x92/0x2b0
[  208.806466][ T7074]  do_new_mount+0x2a2/0xa30
[  208.806487][ T7074]  ? ns_capable+0x8a/0xf0
[  208.806506][ T7074]  ? __pfx_do_new_mount+0x10/0x10
[  208.806523][ T7074]  ? path_mount+0x61c/0xfe0
[  208.806540][ T7074]  ? user_path_at+0x44/0x60
[  208.806558][ T7074]  __se_sys_mount+0x317/0x410
[  208.806579][ T7074]  ? __pfx___se_sys_mount+0x10/0x10
[  208.806600][ T7074]  ? rcu_is_watching+0x15/0xb0
[  208.806621][ T7074]  ? __x64_sys_mount+0x20/0xc0
[  208.806639][ T7074]  do_syscall_64+0xfa/0xfa0
[  208.806657][ T7074]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.806674][ T7074]  ? clear_bhb_loop+0x60/0xb0
[  208.806692][ T7074]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  208.806709][ T7074] RIP: 0033:0x7f75fed9038a
[  208.806725][ T7074] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  208.806750][ T7074] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.806768][ T7074] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  208.806781][ T7074] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  208.806793][ T7074] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  208.806805][ T7074] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  208.806817][ T7074] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  208.806836][ T7074]  </TASK>
[  208.806855][ T7074] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.124055][ T7074] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.412197][ T7079] loop1: detected capacity change from 0 to 32768
[  209.423294][ T7079] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.430966][ T7079] CPU: 1 UID: 0 PID: 7079 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  209.430990][ T7079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  209.431000][ T7079] Call Trace:
[  209.431007][ T7079]  <TASK>
[  209.431015][ T7079]  dump_stack_lvl+0x189/0x250
[  209.431040][ T7079]  ? __pfx_dump_stack_lvl+0x10/0x10
[  209.431059][ T7079]  ? __pfx__printk+0x10/0x10
[  209.431079][ T7079]  ? kernfs_root+0x1c/0x230
[  209.431095][ T7079]  ? kernfs_path_from_node+0x250/0x290
[  209.431109][ T7079]  ? kernfs_path_from_node+0x2f/0x290
[  209.431124][ T7079]  sysfs_create_dir_ns+0x259/0x280
[  209.431147][ T7079]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  209.431168][ T7079]  ? do_raw_spin_unlock+0x122/0x240
[  209.431187][ T7079]  kobject_add_internal+0x59f/0xb40
[  209.431209][ T7079]  kobject_init_and_add+0x125/0x190
[  209.431230][ T7079]  ? __pfx_kobject_init_and_add+0x10/0x10
[  209.431249][ T7079]  ? __raw_spin_lock_init+0x45/0x100
[  209.431265][ T7079]  ? __init_swait_queue_head+0xa9/0x150
[  209.431283][ T7079]  gfs2_sys_fs_add+0x234/0x450
[  209.431307][ T7079]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  209.431329][ T7079]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  209.431352][ T7079]  gfs2_fill_super+0x13c0/0x20d0
[  209.431376][ T7079]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.431395][ T7079]  ? sb_set_blocksize+0x104/0x180
[  209.431417][ T7079]  ? setup_bdev_super+0x4c1/0x5b0
[  209.431436][ T7079]  get_tree_bdev_flags+0x40e/0x4d0
[  209.431454][ T7079]  ? __pfx_gfs2_fill_super+0x10/0x10
[  209.431471][ T7079]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  209.431493][ T7079]  gfs2_get_tree+0x51/0x1e0
[  209.431510][ T7079]  vfs_get_tree+0x92/0x2b0
[  209.431528][ T7079]  do_new_mount+0x2a2/0xa30
[  209.431549][ T7079]  ? ns_capable+0x8a/0xf0
[  209.431569][ T7079]  ? __pfx_do_new_mount+0x10/0x10
[  209.431587][ T7079]  ? path_mount+0x61c/0xfe0
[  209.431605][ T7079]  ? user_path_at+0x44/0x60
[  209.431623][ T7079]  __se_sys_mount+0x317/0x410
[  209.431645][ T7079]  ? __pfx___se_sys_mount+0x10/0x10
[  209.431666][ T7079]  ? rcu_is_watching+0x15/0xb0
[  209.431700][ T7079]  ? __x64_sys_mount+0x20/0xc0
[  209.431719][ T7079]  do_syscall_64+0xfa/0xfa0
[  209.431738][ T7079]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.431755][ T7079]  ? clear_bhb_loop+0x60/0xb0
[  209.431773][ T7079]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  209.431790][ T7079] RIP: 0033:0x7f75fed9038a
[  209.431805][ T7079] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  209.431819][ T7079] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.431838][ T7079] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  209.431851][ T7079] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  209.431872][ T7079] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  209.431882][ T7079] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  209.431894][ T7079] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  209.431910][ T7079]  </TASK>
[  209.431927][ T7079] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.748869][ T7079] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.041349][ T7084] loop1: detected capacity change from 0 to 32768
[  210.055856][ T7084] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.063373][ T7084] CPU: 1 UID: 0 PID: 7084 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  210.063398][ T7084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.063409][ T7084] Call Trace:
[  210.063416][ T7084]  <TASK>
[  210.063424][ T7084]  dump_stack_lvl+0x189/0x250
[  210.063449][ T7084]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.063467][ T7084]  ? __pfx__printk+0x10/0x10
[  210.063486][ T7084]  ? kernfs_root+0x1c/0x230
[  210.063501][ T7084]  ? kernfs_path_from_node+0x250/0x290
[  210.063515][ T7084]  ? kernfs_path_from_node+0x2f/0x290
[  210.063530][ T7084]  sysfs_create_dir_ns+0x259/0x280
[  210.063552][ T7084]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.063574][ T7084]  ? do_raw_spin_unlock+0x122/0x240
[  210.063593][ T7084]  kobject_add_internal+0x59f/0xb40
[  210.063617][ T7084]  kobject_init_and_add+0x125/0x190
[  210.063649][ T7084]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.063668][ T7084]  ? __raw_spin_lock_init+0x45/0x100
[  210.063685][ T7084]  ? __init_swait_queue_head+0xa9/0x150
[  210.063701][ T7084]  gfs2_sys_fs_add+0x234/0x450
[  210.063724][ T7084]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.063747][ T7084]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.063770][ T7084]  gfs2_fill_super+0x13c0/0x20d0
[  210.063794][ T7084]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.063814][ T7084]  ? sb_set_blocksize+0x104/0x180
[  210.063834][ T7084]  ? setup_bdev_super+0x4c1/0x5b0
[  210.063852][ T7084]  get_tree_bdev_flags+0x40e/0x4d0
[  210.063870][ T7084]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.063886][ T7084]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.063907][ T7084]  gfs2_get_tree+0x51/0x1e0
[  210.063924][ T7084]  vfs_get_tree+0x92/0x2b0
[  210.063943][ T7084]  do_new_mount+0x2a2/0xa30
[  210.063963][ T7084]  ? ns_capable+0x8a/0xf0
[  210.063984][ T7084]  ? __pfx_do_new_mount+0x10/0x10
[  210.064002][ T7084]  ? path_mount+0x61c/0xfe0
[  210.064019][ T7084]  ? user_path_at+0x44/0x60
[  210.064036][ T7084]  __se_sys_mount+0x317/0x410
[  210.064056][ T7084]  ? __pfx___se_sys_mount+0x10/0x10
[  210.064074][ T7084]  ? rcu_is_watching+0x15/0xb0
[  210.064094][ T7084]  ? __x64_sys_mount+0x20/0xc0
[  210.064113][ T7084]  do_syscall_64+0xfa/0xfa0
[  210.064133][ T7084]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.064148][ T7084]  ? clear_bhb_loop+0x60/0xb0
[  210.064165][ T7084]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.064181][ T7084] RIP: 0033:0x7f75fed9038a
[  210.064195][ T7084] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.064211][ T7084] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.064231][ T7084] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  210.064245][ T7084] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  210.064258][ T7084] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  210.064269][ T7084] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  210.064280][ T7084] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  210.064298][ T7084]  </TASK>
[  210.064318][ T7084] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.382477][ T7084] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 17:40:41 executed programs: 205
[  210.675868][ T7089] loop1: detected capacity change from 0 to 32768
[  210.690374][ T7089] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.697873][ T7089] CPU: 0 UID: 0 PID: 7089 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  210.697898][ T7089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  210.697908][ T7089] Call Trace:
[  210.697915][ T7089]  <TASK>
[  210.697922][ T7089]  dump_stack_lvl+0x189/0x250
[  210.697946][ T7089]  ? __pfx_dump_stack_lvl+0x10/0x10
[  210.697964][ T7089]  ? __pfx__printk+0x10/0x10
[  210.697982][ T7089]  ? kernfs_root+0x1c/0x230
[  210.697999][ T7089]  ? kernfs_path_from_node+0x250/0x290
[  210.698013][ T7089]  ? kernfs_path_from_node+0x2f/0x290
[  210.698029][ T7089]  sysfs_create_dir_ns+0x259/0x280
[  210.698052][ T7089]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  210.698074][ T7089]  ? do_raw_spin_unlock+0x122/0x240
[  210.698093][ T7089]  kobject_add_internal+0x59f/0xb40
[  210.698117][ T7089]  kobject_init_and_add+0x125/0x190
[  210.698138][ T7089]  ? __pfx_kobject_init_and_add+0x10/0x10
[  210.698157][ T7089]  ? __raw_spin_lock_init+0x45/0x100
[  210.698173][ T7089]  ? __init_swait_queue_head+0xa9/0x150
[  210.698191][ T7089]  gfs2_sys_fs_add+0x234/0x450
[  210.698214][ T7089]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  210.698238][ T7089]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  210.698260][ T7089]  gfs2_fill_super+0x13c0/0x20d0
[  210.698283][ T7089]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.698301][ T7089]  ? sb_set_blocksize+0x104/0x180
[  210.698326][ T7089]  ? setup_bdev_super+0x4c1/0x5b0
[  210.698342][ T7089]  get_tree_bdev_flags+0x40e/0x4d0
[  210.698359][ T7089]  ? __pfx_gfs2_fill_super+0x10/0x10
[  210.698374][ T7089]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  210.698395][ T7089]  gfs2_get_tree+0x51/0x1e0
[  210.698414][ T7089]  vfs_get_tree+0x92/0x2b0
[  210.698440][ T7089]  do_new_mount+0x2a2/0xa30
[  210.698461][ T7089]  ? ns_capable+0x8a/0xf0
[  210.698481][ T7089]  ? __pfx_do_new_mount+0x10/0x10
[  210.698499][ T7089]  ? path_mount+0x61c/0xfe0
[  210.698527][ T7089]  ? user_path_at+0x44/0x60
[  210.698550][ T7089]  __se_sys_mount+0x317/0x410
[  210.698572][ T7089]  ? __pfx___se_sys_mount+0x10/0x10
[  210.698592][ T7089]  ? rcu_is_watching+0x15/0xb0
[  210.698614][ T7089]  ? __x64_sys_mount+0x20/0xc0
[  210.698634][ T7089]  do_syscall_64+0xfa/0xfa0
[  210.698654][ T7089]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.698670][ T7089]  ? clear_bhb_loop+0x60/0xb0
[  210.698687][ T7089]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  210.698702][ T7089] RIP: 0033:0x7f75fed9038a
[  210.698718][ T7089] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  210.698732][ T7089] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.698751][ T7089] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  210.698764][ T7089] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  210.698776][ T7089] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  210.698787][ T7089] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  210.698798][ T7089] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  210.698816][ T7089]  </TASK>
[  210.998273][ T7089] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.012336][ T7089] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.306997][ T7094] loop1: detected capacity change from 0 to 32768
[  211.315629][ T7094] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.323359][ T7094] CPU: 1 UID: 0 PID: 7094 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  211.323381][ T7094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.323392][ T7094] Call Trace:
[  211.323398][ T7094]  <TASK>
[  211.323405][ T7094]  dump_stack_lvl+0x189/0x250
[  211.323428][ T7094]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.323446][ T7094]  ? __pfx__printk+0x10/0x10
[  211.323464][ T7094]  ? kernfs_root+0x1c/0x230
[  211.323480][ T7094]  ? kernfs_path_from_node+0x250/0x290
[  211.323507][ T7094]  ? kernfs_path_from_node+0x2f/0x290
[  211.323523][ T7094]  sysfs_create_dir_ns+0x259/0x280
[  211.323546][ T7094]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.323567][ T7094]  ? do_raw_spin_unlock+0x122/0x240
[  211.323585][ T7094]  kobject_add_internal+0x59f/0xb40
[  211.323608][ T7094]  kobject_init_and_add+0x125/0x190
[  211.323629][ T7094]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.323647][ T7094]  ? __raw_spin_lock_init+0x45/0x100
[  211.323663][ T7094]  ? __init_swait_queue_head+0xa9/0x150
[  211.323680][ T7094]  gfs2_sys_fs_add+0x234/0x450
[  211.323703][ T7094]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.323727][ T7094]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.323748][ T7094]  gfs2_fill_super+0x13c0/0x20d0
[  211.323771][ T7094]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.323789][ T7094]  ? sb_set_blocksize+0x104/0x180
[  211.323809][ T7094]  ? setup_bdev_super+0x4c1/0x5b0
[  211.323828][ T7094]  get_tree_bdev_flags+0x40e/0x4d0
[  211.323845][ T7094]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.323863][ T7094]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.323884][ T7094]  gfs2_get_tree+0x51/0x1e0
[  211.323902][ T7094]  vfs_get_tree+0x92/0x2b0
[  211.323920][ T7094]  do_new_mount+0x2a2/0xa30
[  211.323941][ T7094]  ? ns_capable+0x8a/0xf0
[  211.323961][ T7094]  ? __pfx_do_new_mount+0x10/0x10
[  211.323980][ T7094]  ? path_mount+0x61c/0xfe0
[  211.323996][ T7094]  ? user_path_at+0x44/0x60
[  211.324014][ T7094]  __se_sys_mount+0x317/0x410
[  211.324035][ T7094]  ? __pfx___se_sys_mount+0x10/0x10
[  211.324057][ T7094]  ? rcu_is_watching+0x15/0xb0
[  211.324078][ T7094]  ? __x64_sys_mount+0x20/0xc0
[  211.324098][ T7094]  do_syscall_64+0xfa/0xfa0
[  211.324117][ T7094]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.324133][ T7094]  ? clear_bhb_loop+0x60/0xb0
[  211.324150][ T7094]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.324165][ T7094] RIP: 0033:0x7f75fed9038a
[  211.324180][ T7094] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  211.324195][ T7094] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.324214][ T7094] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  211.324227][ T7094] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  211.324239][ T7094] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  211.324251][ T7094] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  211.324263][ T7094] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  211.324281][ T7094]  </TASK>
[  211.324299][ T7094] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.642069][ T7094] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.945483][ T7099] loop1: detected capacity change from 0 to 32768
[  211.958622][ T7099] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.966036][ T7099] CPU: 1 UID: 0 PID: 7099 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  211.966059][ T7099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  211.966068][ T7099] Call Trace:
[  211.966075][ T7099]  <TASK>
[  211.966082][ T7099]  dump_stack_lvl+0x189/0x250
[  211.966105][ T7099]  ? __pfx_dump_stack_lvl+0x10/0x10
[  211.966123][ T7099]  ? __pfx__printk+0x10/0x10
[  211.966142][ T7099]  ? kernfs_root+0x1c/0x230
[  211.966158][ T7099]  ? kernfs_path_from_node+0x250/0x290
[  211.966171][ T7099]  ? kernfs_path_from_node+0x2f/0x290
[  211.966186][ T7099]  sysfs_create_dir_ns+0x259/0x280
[  211.966206][ T7099]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  211.966226][ T7099]  ? do_raw_spin_unlock+0x122/0x240
[  211.966242][ T7099]  kobject_add_internal+0x59f/0xb40
[  211.966262][ T7099]  kobject_init_and_add+0x125/0x190
[  211.966280][ T7099]  ? __pfx_kobject_init_and_add+0x10/0x10
[  211.966296][ T7099]  ? __raw_spin_lock_init+0x45/0x100
[  211.966310][ T7099]  ? __init_swait_queue_head+0xa9/0x150
[  211.966325][ T7099]  gfs2_sys_fs_add+0x234/0x450
[  211.966345][ T7099]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  211.966365][ T7099]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  211.966384][ T7099]  gfs2_fill_super+0x13c0/0x20d0
[  211.966404][ T7099]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.966421][ T7099]  ? sb_set_blocksize+0x104/0x180
[  211.966441][ T7099]  ? setup_bdev_super+0x4c1/0x5b0
[  211.966467][ T7099]  get_tree_bdev_flags+0x40e/0x4d0
[  211.966484][ T7099]  ? __pfx_gfs2_fill_super+0x10/0x10
[  211.966500][ T7099]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  211.966521][ T7099]  gfs2_get_tree+0x51/0x1e0
[  211.966537][ T7099]  vfs_get_tree+0x92/0x2b0
[  211.966554][ T7099]  do_new_mount+0x2a2/0xa30
[  211.966574][ T7099]  ? ns_capable+0x8a/0xf0
[  211.966595][ T7099]  ? __pfx_do_new_mount+0x10/0x10
[  211.966611][ T7099]  ? path_mount+0x61c/0xfe0
[  211.966627][ T7099]  ? user_path_at+0x44/0x60
[  211.966650][ T7099]  __se_sys_mount+0x317/0x410
[  211.966672][ T7099]  ? __pfx___se_sys_mount+0x10/0x10
[  211.966694][ T7099]  ? rcu_is_watching+0x15/0xb0
[  211.966714][ T7099]  ? __x64_sys_mount+0x20/0xc0
[  211.966732][ T7099]  do_syscall_64+0xfa/0xfa0
[  211.966750][ T7099]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.966769][ T7099]  ? clear_bhb_loop+0x60/0xb0
[  211.966786][ T7099]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  211.966801][ T7099] RIP: 0033:0x7f75fed9038a
[  211.966816][ T7099] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  211.966830][ T7099] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.966848][ T7099] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  211.966860][ T7099] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  211.966871][ T7099] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  211.966883][ T7099] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  211.966895][ T7099] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  211.966913][ T7099]  </TASK>
[  211.966931][ T7099] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.284657][ T7099] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.591265][ T7104] loop1: detected capacity change from 0 to 32768
[  212.602626][ T7104] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.610468][ T7104] CPU: 1 UID: 0 PID: 7104 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full) 
[  212.610491][ T7104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  212.610501][ T7104] Call Trace:
[  212.610508][ T7104]  <TASK>
[  212.610515][ T7104]  dump_stack_lvl+0x189/0x250
[  212.610540][ T7104]  ? __pfx_dump_stack_lvl+0x10/0x10
[  212.610559][ T7104]  ? __pfx__printk+0x10/0x10
[  212.610577][ T7104]  ? kernfs_root+0x1c/0x230
[  212.610594][ T7104]  ? kernfs_path_from_node+0x250/0x290
[  212.610608][ T7104]  ? kernfs_path_from_node+0x2f/0x290
[  212.610636][ T7104]  sysfs_create_dir_ns+0x259/0x280
[  212.610660][ T7104]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  212.610681][ T7104]  ? do_raw_spin_unlock+0x122/0x240
[  212.610699][ T7104]  kobject_add_internal+0x59f/0xb40
[  212.610723][ T7104]  kobject_init_and_add+0x125/0x190
[  212.610746][ T7104]  ? __pfx_kobject_init_and_add+0x10/0x10
[  212.610766][ T7104]  ? __raw_spin_lock_init+0x45/0x100
[  212.610783][ T7104]  ? __init_swait_queue_head+0xa9/0x150
[  212.610799][ T7104]  gfs2_sys_fs_add+0x234/0x450
[  212.610822][ T7104]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  212.610845][ T7104]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  212.610866][ T7104]  gfs2_fill_super+0x13c0/0x20d0
[  212.610890][ T7104]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.610908][ T7104]  ? sb_set_blocksize+0x104/0x180
[  212.610929][ T7104]  ? setup_bdev_super+0x4c1/0x5b0
[  212.610949][ T7104]  get_tree_bdev_flags+0x40e/0x4d0
[  212.610967][ T7104]  ? __pfx_gfs2_fill_super+0x10/0x10
[  212.610984][ T7104]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  212.611007][ T7104]  gfs2_get_tree+0x51/0x1e0
[  212.611024][ T7104]  vfs_get_tree+0x92/0x2b0
[  212.611043][ T7104]  do_new_mount+0x2a2/0xa30
[  212.611064][ T7104]  ? ns_capable+0x8a/0xf0
[  212.611085][ T7104]  ? __pfx_do_new_mount+0x10/0x10
[  212.611104][ T7104]  ? path_mount+0x61c/0xfe0
[  212.611122][ T7104]  ? user_path_at+0x44/0x60
[  212.611140][ T7104]  __se_sys_mount+0x317/0x410
[  212.611161][ T7104]  ? __pfx___se_sys_mount+0x10/0x10
[  212.611181][ T7104]  ? rcu_is_watching+0x15/0xb0
[  212.611201][ T7104]  ? __x64_sys_mount+0x20/0xc0
[  212.611219][ T7104]  do_syscall_64+0xfa/0xfa0
[  212.611238][ T7104]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.611255][ T7104]  ? clear_bhb_loop+0x60/0xb0
[  212.611272][ T7104]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  212.611288][ T7104] RIP: 0033:0x7f75fed9038a
[  212.611303][ T7104] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  212.611318][ T7104] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.611338][ T7104] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  212.611351][ T7104] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  212.611369][ T7104] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  212.611381][ T7104] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  212.611392][ T7104] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  212.611409][ T7104]  </TASK>
[  212.611428][ T7104] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.927474][ T7104] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.217429][ T7109] loop1: detected capacity change from 0 to 32768
[  213.231293][ T7109] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.239308][ T7109] CPU: 1 UID: 0 PID: 7109 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full) 
[  213.239331][ T7109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.239413][ T7109] Call Trace:
[  213.239423][ T7109]  <TASK>
[  213.239431][ T7109]  dump_stack_lvl+0x189/0x250
[  213.239454][ T7109]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.239471][ T7109]  ? __pfx__printk+0x10/0x10
[  213.239489][ T7109]  ? kernfs_root+0x1c/0x230
[  213.239504][ T7109]  ? kernfs_path_from_node+0x250/0x290
[  213.239517][ T7109]  ? kernfs_path_from_node+0x2f/0x290
[  213.239530][ T7109]  sysfs_create_dir_ns+0x259/0x280
[  213.239551][ T7109]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.239569][ T7109]  ? do_raw_spin_unlock+0x122/0x240
[  213.239586][ T7109]  kobject_add_internal+0x59f/0xb40
[  213.239609][ T7109]  kobject_init_and_add+0x125/0x190
[  213.239630][ T7109]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.239649][ T7109]  ? __raw_spin_lock_init+0x45/0x100
[  213.239663][ T7109]  ? __init_swait_queue_head+0xa9/0x150
[  213.239679][ T7109]  gfs2_sys_fs_add+0x234/0x450
[  213.239701][ T7109]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.239724][ T7109]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.239749][ T7109]  gfs2_fill_super+0x13c0/0x20d0
[  213.239772][ T7109]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.239789][ T7109]  ? sb_set_blocksize+0x104/0x180
[  213.239809][ T7109]  ? setup_bdev_super+0x4c1/0x5b0
[  213.239828][ T7109]  get_tree_bdev_flags+0x40e/0x4d0
[  213.239845][ T7109]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.239861][ T7109]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.239882][ T7109]  gfs2_get_tree+0x51/0x1e0
[  213.239898][ T7109]  vfs_get_tree+0x92/0x2b0
[  213.239915][ T7109]  do_new_mount+0x2a2/0xa30
[  213.239934][ T7109]  ? ns_capable+0x8a/0xf0
[  213.239953][ T7109]  ? __pfx_do_new_mount+0x10/0x10
[  213.239971][ T7109]  ? path_mount+0x61c/0xfe0
[  213.239988][ T7109]  ? user_path_at+0x44/0x60
[  213.240005][ T7109]  __se_sys_mount+0x317/0x410
[  213.240026][ T7109]  ? __pfx___se_sys_mount+0x10/0x10
[  213.240047][ T7109]  ? rcu_is_watching+0x15/0xb0
[  213.240067][ T7109]  ? __x64_sys_mount+0x20/0xc0
[  213.240087][ T7109]  do_syscall_64+0xfa/0xfa0
[  213.240106][ T7109]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.240122][ T7109]  ? clear_bhb_loop+0x60/0xb0
[  213.240138][ T7109]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.240154][ T7109] RIP: 0033:0x7f75fed9038a
[  213.240170][ T7109] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  213.240186][ T7109] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.240206][ T7109] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  213.240219][ T7109] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  213.240232][ T7109] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  213.240244][ T7109] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.240255][ T7109] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  213.240273][ T7109]  </TASK>
[  213.240363][ T7109] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.556773][ T7109] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.856738][ T7114] loop1: detected capacity change from 0 to 32768
[  213.868992][ T7114] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.876582][ T7114] CPU: 1 UID: 0 PID: 7114 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT(full) 
[  213.876611][ T7114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  213.876622][ T7114] Call Trace:
[  213.876628][ T7114]  <TASK>
[  213.876636][ T7114]  dump_stack_lvl+0x189/0x250
[  213.876659][ T7114]  ? __pfx_dump_stack_lvl+0x10/0x10
[  213.876677][ T7114]  ? __pfx__printk+0x10/0x10
[  213.876694][ T7114]  ? kernfs_root+0x1c/0x230
[  213.876710][ T7114]  ? kernfs_path_from_node+0x250/0x290
[  213.876724][ T7114]  ? kernfs_path_from_node+0x2f/0x290
[  213.876740][ T7114]  sysfs_create_dir_ns+0x259/0x280
[  213.876762][ T7114]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  213.876789][ T7114]  ? do_raw_spin_unlock+0x122/0x240
[  213.876807][ T7114]  kobject_add_internal+0x59f/0xb40
[  213.876830][ T7114]  kobject_init_and_add+0x125/0x190
[  213.876852][ T7114]  ? __pfx_kobject_init_and_add+0x10/0x10
[  213.876871][ T7114]  ? __raw_spin_lock_init+0x45/0x100
[  213.876886][ T7114]  ? __init_swait_queue_head+0xa9/0x150
[  213.876904][ T7114]  gfs2_sys_fs_add+0x234/0x450
[  213.876927][ T7114]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  213.876951][ T7114]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  213.876975][ T7114]  gfs2_fill_super+0x13c0/0x20d0
[  213.876998][ T7114]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.877016][ T7114]  ? sb_set_blocksize+0x104/0x180
[  213.877037][ T7114]  ? setup_bdev_super+0x4c1/0x5b0
[  213.877056][ T7114]  get_tree_bdev_flags+0x40e/0x4d0
[  213.877074][ T7114]  ? __pfx_gfs2_fill_super+0x10/0x10
[  213.877090][ T7114]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  213.877112][ T7114]  gfs2_get_tree+0x51/0x1e0
[  213.877135][ T7114]  vfs_get_tree+0x92/0x2b0
[  213.877154][ T7114]  do_new_mount+0x2a2/0xa30
[  213.877175][ T7114]  ? ns_capable+0x8a/0xf0
[  213.877196][ T7114]  ? __pfx_do_new_mount+0x10/0x10
[  213.877214][ T7114]  ? path_mount+0x61c/0xfe0
[  213.877231][ T7114]  ? user_path_at+0x44/0x60
[  213.877248][ T7114]  __se_sys_mount+0x317/0x410
[  213.877270][ T7114]  ? __pfx___se_sys_mount+0x10/0x10
[  213.877291][ T7114]  ? rcu_is_watching+0x15/0xb0
[  213.877313][ T7114]  ? __x64_sys_mount+0x20/0xc0
[  213.877333][ T7114]  do_syscall_64+0xfa/0xfa0
[  213.877358][ T7114]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.877374][ T7114]  ? clear_bhb_loop+0x60/0xb0
[  213.877391][ T7114]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  213.877407][ T7114] RIP: 0033:0x7f75fed9038a
[  213.877421][ T7114] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  213.877436][ T7114] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.877454][ T7114] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  213.877466][ T7114] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  213.877478][ T7114] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  213.877497][ T7114] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  213.877508][ T7114] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  213.877527][ T7114]  </TASK>
[  213.877556][ T7114] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.196854][ T7114] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.497822][ T7119] loop1: detected capacity change from 0 to 32768
[  214.507964][ T7119] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.515656][ T7119] CPU: 0 UID: 0 PID: 7119 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
[  214.515677][ T7119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  214.515688][ T7119] Call Trace:
[  214.515695][ T7119]  <TASK>
[  214.515702][ T7119]  dump_stack_lvl+0x189/0x250
[  214.515727][ T7119]  ? __pfx_dump_stack_lvl+0x10/0x10
[  214.515747][ T7119]  ? __pfx__printk+0x10/0x10
[  214.515766][ T7119]  ? kernfs_root+0x1c/0x230
[  214.515783][ T7119]  ? kernfs_path_from_node+0x250/0x290
[  214.515797][ T7119]  ? kernfs_path_from_node+0x2f/0x290
[  214.515814][ T7119]  sysfs_create_dir_ns+0x259/0x280
[  214.515837][ T7119]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  214.515860][ T7119]  ? do_raw_spin_unlock+0x122/0x240
[  214.515878][ T7119]  kobject_add_internal+0x59f/0xb40
[  214.515902][ T7119]  kobject_init_and_add+0x125/0x190
[  214.515924][ T7119]  ? __pfx_kobject_init_and_add+0x10/0x10
[  214.515944][ T7119]  ? __raw_spin_lock_init+0x45/0x100
[  214.515962][ T7119]  ? __init_swait_queue_head+0xa9/0x150
[  214.515980][ T7119]  gfs2_sys_fs_add+0x234/0x450
[  214.516003][ T7119]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  214.516027][ T7119]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  214.516050][ T7119]  gfs2_fill_super+0x13c0/0x20d0
[  214.516073][ T7119]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.516092][ T7119]  ? sb_set_blocksize+0x104/0x180
[  214.516111][ T7119]  ? setup_bdev_super+0x4c1/0x5b0
[  214.516129][ T7119]  get_tree_bdev_flags+0x40e/0x4d0
[  214.516148][ T7119]  ? __pfx_gfs2_fill_super+0x10/0x10
[  214.516165][ T7119]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  214.516185][ T7119]  gfs2_get_tree+0x51/0x1e0
[  214.516201][ T7119]  vfs_get_tree+0x92/0x2b0
[  214.516219][ T7119]  do_new_mount+0x2a2/0xa30
[  214.516237][ T7119]  ? ns_capable+0x8a/0xf0
[  214.516256][ T7119]  ? __pfx_do_new_mount+0x10/0x10
[  214.516273][ T7119]  ? path_mount+0x61c/0xfe0
[  214.516288][ T7119]  ? user_path_at+0x44/0x60
[  214.516302][ T7119]  __se_sys_mount+0x317/0x410
[  214.516323][ T7119]  ? __pfx___se_sys_mount+0x10/0x10
[  214.516342][ T7119]  ? rcu_is_watching+0x15/0xb0
[  214.516362][ T7119]  ? __x64_sys_mount+0x20/0xc0
[  214.516379][ T7119]  do_syscall_64+0xfa/0xfa0
[  214.516397][ T7119]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.516413][ T7119]  ? clear_bhb_loop+0x60/0xb0
[  214.516428][ T7119]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  214.516454][ T7119] RIP: 0033:0x7f75fed9038a
[  214.516468][ T7119] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  214.516482][ T7119] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.516500][ T7119] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  214.516513][ T7119] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  214.516525][ T7119] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  214.516537][ T7119] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  214.516548][ T7119] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  214.516564][ T7119]  </TASK>
[  214.516583][ T7119] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.832967][ T7119] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.129408][ T7124] loop1: detected capacity change from 0 to 32768
[  215.139963][ T7124] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.147380][ T7124] CPU: 0 UID: 0 PID: 7124 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT(full) 
[  215.147398][ T7124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.147407][ T7124] Call Trace:
[  215.147414][ T7124]  <TASK>
[  215.147421][ T7124]  dump_stack_lvl+0x189/0x250
[  215.147445][ T7124]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.147463][ T7124]  ? __pfx__printk+0x10/0x10
[  215.147482][ T7124]  ? kernfs_root+0x1c/0x230
[  215.147499][ T7124]  ? kernfs_path_from_node+0x250/0x290
[  215.147512][ T7124]  ? kernfs_path_from_node+0x2f/0x290
[  215.147528][ T7124]  sysfs_create_dir_ns+0x259/0x280
[  215.147551][ T7124]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.147573][ T7124]  ? do_raw_spin_unlock+0x122/0x240
[  215.147592][ T7124]  kobject_add_internal+0x59f/0xb40
[  215.147614][ T7124]  kobject_init_and_add+0x125/0x190
[  215.147635][ T7124]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.147655][ T7124]  ? __raw_spin_lock_init+0x45/0x100
[  215.147672][ T7124]  ? __init_swait_queue_head+0xa9/0x150
[  215.147691][ T7124]  gfs2_sys_fs_add+0x234/0x450
[  215.147713][ T7124]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.147736][ T7124]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.147759][ T7124]  gfs2_fill_super+0x13c0/0x20d0
[  215.147783][ T7124]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.147802][ T7124]  ? sb_set_blocksize+0x104/0x180
[  215.147822][ T7124]  ? setup_bdev_super+0x4c1/0x5b0
[  215.147842][ T7124]  get_tree_bdev_flags+0x40e/0x4d0
[  215.147861][ T7124]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.147878][ T7124]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.147901][ T7124]  gfs2_get_tree+0x51/0x1e0
[  215.147920][ T7124]  vfs_get_tree+0x92/0x2b0
[  215.147938][ T7124]  do_new_mount+0x2a2/0xa30
[  215.147958][ T7124]  ? ns_capable+0x8a/0xf0
[  215.147978][ T7124]  ? __pfx_do_new_mount+0x10/0x10
[  215.147995][ T7124]  ? path_mount+0x61c/0xfe0
[  215.148012][ T7124]  ? user_path_at+0x44/0x60
[  215.148030][ T7124]  __se_sys_mount+0x317/0x410
[  215.148051][ T7124]  ? __pfx___se_sys_mount+0x10/0x10
[  215.148072][ T7124]  ? rcu_is_watching+0x15/0xb0
[  215.148093][ T7124]  ? __x64_sys_mount+0x20/0xc0
[  215.148112][ T7124]  do_syscall_64+0xfa/0xfa0
[  215.148202][ T7124]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.148220][ T7124]  ? clear_bhb_loop+0x60/0xb0
[  215.148238][ T7124]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.148255][ T7124] RIP: 0033:0x7f75fed9038a
[  215.148270][ T7124] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.148284][ T7124] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.148302][ T7124] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  215.148319][ T7124] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  215.148329][ T7124] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  215.148339][ T7124] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.148349][ T7124] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  215.148365][ T7124]  </TASK>
[  215.455214][ T7124] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.469486][ T7124] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 17:40:46 executed programs: 213
[  215.775815][ T7129] loop1: detected capacity change from 0 to 32768
[  215.790609][ T7129] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.798216][ T7129] CPU: 0 UID: 0 PID: 7129 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT(full) 
[  215.798239][ T7129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  215.798250][ T7129] Call Trace:
[  215.798256][ T7129]  <TASK>
[  215.798262][ T7129]  dump_stack_lvl+0x189/0x250
[  215.798284][ T7129]  ? __pfx_dump_stack_lvl+0x10/0x10
[  215.798299][ T7129]  ? __pfx__printk+0x10/0x10
[  215.798320][ T7129]  ? kernfs_root+0x1c/0x230
[  215.798334][ T7129]  ? kernfs_path_from_node+0x250/0x290
[  215.798346][ T7129]  ? kernfs_path_from_node+0x2f/0x290
[  215.798361][ T7129]  sysfs_create_dir_ns+0x259/0x280
[  215.798382][ T7129]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  215.798402][ T7129]  ? do_raw_spin_unlock+0x122/0x240
[  215.798426][ T7129]  kobject_add_internal+0x59f/0xb40
[  215.798450][ T7129]  kobject_init_and_add+0x125/0x190
[  215.798469][ T7129]  ? __pfx_kobject_init_and_add+0x10/0x10
[  215.798489][ T7129]  ? __raw_spin_lock_init+0x45/0x100
[  215.798506][ T7129]  ? __init_swait_queue_head+0xa9/0x150
[  215.798525][ T7129]  gfs2_sys_fs_add+0x234/0x450
[  215.798547][ T7129]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  215.798571][ T7129]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  215.798594][ T7129]  gfs2_fill_super+0x13c0/0x20d0
[  215.798616][ T7129]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.798634][ T7129]  ? sb_set_blocksize+0x104/0x180
[  215.798655][ T7129]  ? setup_bdev_super+0x4c1/0x5b0
[  215.798674][ T7129]  get_tree_bdev_flags+0x40e/0x4d0
[  215.798692][ T7129]  ? __pfx_gfs2_fill_super+0x10/0x10
[  215.798708][ T7129]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  215.798729][ T7129]  gfs2_get_tree+0x51/0x1e0
[  215.798747][ T7129]  vfs_get_tree+0x92/0x2b0
[  215.798766][ T7129]  do_new_mount+0x2a2/0xa30
[  215.798787][ T7129]  ? ns_capable+0x8a/0xf0
[  215.798806][ T7129]  ? __pfx_do_new_mount+0x10/0x10
[  215.798824][ T7129]  ? path_mount+0x61c/0xfe0
[  215.798841][ T7129]  ? user_path_at+0x44/0x60
[  215.798859][ T7129]  __se_sys_mount+0x317/0x410
[  215.798890][ T7129]  ? __pfx___se_sys_mount+0x10/0x10
[  215.798911][ T7129]  ? rcu_is_watching+0x15/0xb0
[  215.798931][ T7129]  ? __x64_sys_mount+0x20/0xc0
[  215.798950][ T7129]  do_syscall_64+0xfa/0xfa0
[  215.798969][ T7129]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.798985][ T7129]  ? clear_bhb_loop+0x60/0xb0
[  215.799002][ T7129]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  215.799019][ T7129] RIP: 0033:0x7f75fed9038a
[  215.799043][ T7129] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  215.799057][ T7129] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.799076][ T7129] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  215.799089][ T7129] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  215.799102][ T7129] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  215.799115][ T7129] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  215.799127][ T7129] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  215.799147][ T7129]  </TASK>
[  216.100293][ T7129] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.114804][ T7129] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.406766][ T7134] loop1: detected capacity change from 0 to 32768
[  216.415293][ T7134] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.423102][ T7134] CPU: 0 UID: 0 PID: 7134 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT(full) 
[  216.423127][ T7134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  216.423136][ T7134] Call Trace:
[  216.423144][ T7134]  <TASK>
[  216.423152][ T7134]  dump_stack_lvl+0x189/0x250
[  216.423178][ T7134]  ? __pfx_dump_stack_lvl+0x10/0x10
[  216.423196][ T7134]  ? __pfx__printk+0x10/0x10
[  216.423212][ T7134]  ? kernfs_root+0x1c/0x230
[  216.423227][ T7134]  ? kernfs_path_from_node+0x250/0x290
[  216.423240][ T7134]  ? kernfs_path_from_node+0x2f/0x290
[  216.423254][ T7134]  sysfs_create_dir_ns+0x259/0x280
[  216.423287][ T7134]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  216.423310][ T7134]  ? do_raw_spin_unlock+0x122/0x240
[  216.423328][ T7134]  kobject_add_internal+0x59f/0xb40
[  216.423351][ T7134]  kobject_init_and_add+0x125/0x190
[  216.423373][ T7134]  ? __pfx_kobject_init_and_add+0x10/0x10
[  216.423392][ T7134]  ? __raw_spin_lock_init+0x45/0x100
[  216.423408][ T7134]  ? __init_swait_queue_head+0xa9/0x150
[  216.423426][ T7134]  gfs2_sys_fs_add+0x234/0x450
[  216.423450][ T7134]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  216.423474][ T7134]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  216.423498][ T7134]  gfs2_fill_super+0x13c0/0x20d0
[  216.423521][ T7134]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.423540][ T7134]  ? sb_set_blocksize+0x104/0x180
[  216.423562][ T7134]  ? setup_bdev_super+0x4c1/0x5b0
[  216.423582][ T7134]  get_tree_bdev_flags+0x40e/0x4d0
[  216.423600][ T7134]  ? __pfx_gfs2_fill_super+0x10/0x10
[  216.423618][ T7134]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  216.423639][ T7134]  gfs2_get_tree+0x51/0x1e0
[  216.423656][ T7134]  vfs_get_tree+0x92/0x2b0
[  216.423674][ T7134]  do_new_mount+0x2a2/0xa30
[  216.423691][ T7134]  ? ns_capable+0x8a/0xf0
[  216.423711][ T7134]  ? __pfx_do_new_mount+0x10/0x10
[  216.423730][ T7134]  ? path_mount+0x61c/0xfe0
[  216.423748][ T7134]  ? user_path_at+0x44/0x60
[  216.423767][ T7134]  __se_sys_mount+0x317/0x410
[  216.423789][ T7134]  ? __pfx___se_sys_mount+0x10/0x10
[  216.423810][ T7134]  ? rcu_is_watching+0x15/0xb0
[  216.423832][ T7134]  ? __x64_sys_mount+0x20/0xc0
[  216.423851][ T7134]  do_syscall_64+0xfa/0xfa0
[  216.423870][ T7134]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.423887][ T7134]  ? clear_bhb_loop+0x60/0xb0
[  216.423905][ T7134]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  216.423921][ T7134] RIP: 0033:0x7f75fed9038a
[  216.423936][ T7134] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  216.423950][ T7134] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.423969][ T7134] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  216.423982][ T7134] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  216.423994][ T7134] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  216.424006][ T7134] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  216.424017][ T7134] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  216.424034][ T7134]  </TASK>
[  216.424052][ T7134] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.743494][ T7134] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.108197][ T7139] loop1: detected capacity change from 0 to 32768
[  217.129862][ T7139] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.137261][ T7139] CPU: 0 UID: 0 PID: 7139 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT(full) 
[  217.137284][ T7139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.137295][ T7139] Call Trace:
[  217.137302][ T7139]  <TASK>
[  217.137310][ T7139]  dump_stack_lvl+0x189/0x250
[  217.137335][ T7139]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.137354][ T7139]  ? __pfx__printk+0x10/0x10
[  217.137373][ T7139]  ? kernfs_root+0x1c/0x230
[  217.137391][ T7139]  ? kernfs_path_from_node+0x250/0x290
[  217.137405][ T7139]  ? kernfs_path_from_node+0x2f/0x290
[  217.137422][ T7139]  sysfs_create_dir_ns+0x259/0x280
[  217.137446][ T7139]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.137468][ T7139]  ? do_raw_spin_unlock+0x122/0x240
[  217.137488][ T7139]  kobject_add_internal+0x59f/0xb40
[  217.137511][ T7139]  kobject_init_and_add+0x125/0x190
[  217.137533][ T7139]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.137553][ T7139]  ? __raw_spin_lock_init+0x45/0x100
[  217.137569][ T7139]  ? __init_swait_queue_head+0xa9/0x150
[  217.137588][ T7139]  gfs2_sys_fs_add+0x234/0x450
[  217.137611][ T7139]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.137634][ T7139]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.137658][ T7139]  gfs2_fill_super+0x13c0/0x20d0
[  217.137681][ T7139]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.137701][ T7139]  ? sb_set_blocksize+0x104/0x180
[  217.137722][ T7139]  ? setup_bdev_super+0x4c1/0x5b0
[  217.137743][ T7139]  get_tree_bdev_flags+0x40e/0x4d0
[  217.137761][ T7139]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.137779][ T7139]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.137801][ T7139]  gfs2_get_tree+0x51/0x1e0
[  217.137827][ T7139]  vfs_get_tree+0x92/0x2b0
[  217.137846][ T7139]  do_new_mount+0x2a2/0xa30
[  217.137867][ T7139]  ? ns_capable+0x8a/0xf0
[  217.137887][ T7139]  ? __pfx_do_new_mount+0x10/0x10
[  217.137906][ T7139]  ? path_mount+0x61c/0xfe0
[  217.137923][ T7139]  ? user_path_at+0x44/0x60
[  217.137948][ T7139]  __se_sys_mount+0x317/0x410
[  217.137970][ T7139]  ? __pfx___se_sys_mount+0x10/0x10
[  217.137991][ T7139]  ? rcu_is_watching+0x15/0xb0
[  217.138013][ T7139]  ? __x64_sys_mount+0x20/0xc0
[  217.138033][ T7139]  do_syscall_64+0xfa/0xfa0
[  217.138052][ T7139]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.138069][ T7139]  ? clear_bhb_loop+0x60/0xb0
[  217.138084][ T7139]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.138099][ T7139] RIP: 0033:0x7f75fed9038a
[  217.138111][ T7139] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.138124][ T7139] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.138140][ T7139] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  217.138151][ T7139] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  217.138161][ T7139] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  217.138172][ T7139] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.138181][ T7139] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  217.138197][ T7139]  </TASK>
[  217.138214][ T7139] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.454218][ T7139] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.747557][ T7144] loop1: detected capacity change from 0 to 32768
[  217.759949][ T7144] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.767714][ T7144] CPU: 0 UID: 0 PID: 7144 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT(full) 
[  217.767739][ T7144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  217.767749][ T7144] Call Trace:
[  217.767756][ T7144]  <TASK>
[  217.767763][ T7144]  dump_stack_lvl+0x189/0x250
[  217.767789][ T7144]  ? __pfx_dump_stack_lvl+0x10/0x10
[  217.767808][ T7144]  ? __pfx__printk+0x10/0x10
[  217.767826][ T7144]  ? kernfs_root+0x1c/0x230
[  217.767852][ T7144]  ? kernfs_path_from_node+0x250/0x290
[  217.767867][ T7144]  ? kernfs_path_from_node+0x2f/0x290
[  217.767884][ T7144]  sysfs_create_dir_ns+0x259/0x280
[  217.767908][ T7144]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  217.767929][ T7144]  ? do_raw_spin_unlock+0x122/0x240
[  217.767948][ T7144]  kobject_add_internal+0x59f/0xb40
[  217.767971][ T7144]  kobject_init_and_add+0x125/0x190
[  217.767993][ T7144]  ? __pfx_kobject_init_and_add+0x10/0x10
[  217.768013][ T7144]  ? __raw_spin_lock_init+0x45/0x100
[  217.768030][ T7144]  ? __init_swait_queue_head+0xa9/0x150
[  217.768046][ T7144]  gfs2_sys_fs_add+0x234/0x450
[  217.768069][ T7144]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  217.768091][ T7144]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  217.768115][ T7144]  gfs2_fill_super+0x13c0/0x20d0
[  217.768139][ T7144]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.768158][ T7144]  ? sb_set_blocksize+0x104/0x180
[  217.768178][ T7144]  ? setup_bdev_super+0x4c1/0x5b0
[  217.768197][ T7144]  get_tree_bdev_flags+0x40e/0x4d0
[  217.768214][ T7144]  ? __pfx_gfs2_fill_super+0x10/0x10
[  217.768230][ T7144]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  217.768250][ T7144]  gfs2_get_tree+0x51/0x1e0
[  217.768266][ T7144]  vfs_get_tree+0x92/0x2b0
[  217.768283][ T7144]  do_new_mount+0x2a2/0xa30
[  217.768303][ T7144]  ? ns_capable+0x8a/0xf0
[  217.768326][ T7144]  ? __pfx_do_new_mount+0x10/0x10
[  217.768342][ T7144]  ? path_mount+0x61c/0xfe0
[  217.768358][ T7144]  ? user_path_at+0x44/0x60
[  217.768376][ T7144]  __se_sys_mount+0x317/0x410
[  217.768397][ T7144]  ? __pfx___se_sys_mount+0x10/0x10
[  217.768422][ T7144]  ? rcu_is_watching+0x15/0xb0
[  217.768442][ T7144]  ? __x64_sys_mount+0x20/0xc0
[  217.768461][ T7144]  do_syscall_64+0xfa/0xfa0
[  217.768480][ T7144]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.768497][ T7144]  ? clear_bhb_loop+0x60/0xb0
[  217.768515][ T7144]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  217.768532][ T7144] RIP: 0033:0x7f75fed9038a
[  217.768548][ T7144] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  217.768563][ T7144] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.768582][ T7144] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  217.768594][ T7144] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  217.768606][ T7144] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  217.768618][ T7144] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  217.768629][ T7144] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  217.768646][ T7144]  </TASK>
[  218.075812][ T7144] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.089909][ T7144] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.389367][ T7149] loop1: detected capacity change from 0 to 32768
[  218.402337][ T7149] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.410392][ T7149] CPU: 1 UID: 0 PID: 7149 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full) 
[  218.410417][ T7149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  218.410428][ T7149] Call Trace:
[  218.410435][ T7149]  <TASK>
[  218.410442][ T7149]  dump_stack_lvl+0x189/0x250
[  218.410467][ T7149]  ? __pfx_dump_stack_lvl+0x10/0x10
[  218.410486][ T7149]  ? __pfx__printk+0x10/0x10
[  218.410505][ T7149]  ? kernfs_root+0x1c/0x230
[  218.410523][ T7149]  ? kernfs_path_from_node+0x250/0x290
[  218.410537][ T7149]  ? kernfs_path_from_node+0x2f/0x290
[  218.410554][ T7149]  sysfs_create_dir_ns+0x259/0x280
[  218.410578][ T7149]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  218.410599][ T7149]  ? do_raw_spin_unlock+0x122/0x240
[  218.410617][ T7149]  kobject_add_internal+0x59f/0xb40
[  218.410641][ T7149]  kobject_init_and_add+0x125/0x190
[  218.410662][ T7149]  ? __pfx_kobject_init_and_add+0x10/0x10
[  218.410682][ T7149]  ? __raw_spin_lock_init+0x45/0x100
[  218.410697][ T7149]  ? __init_swait_queue_head+0xa9/0x150
[  218.410714][ T7149]  gfs2_sys_fs_add+0x234/0x450
[  218.410736][ T7149]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  218.410760][ T7149]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  218.410784][ T7149]  gfs2_fill_super+0x13c0/0x20d0
[  218.410806][ T7149]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.410824][ T7149]  ? sb_set_blocksize+0x104/0x180
[  218.410855][ T7149]  ? setup_bdev_super+0x4c1/0x5b0
[  218.410873][ T7149]  get_tree_bdev_flags+0x40e/0x4d0
[  218.410889][ T7149]  ? __pfx_gfs2_fill_super+0x10/0x10
[  218.410905][ T7149]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  218.410926][ T7149]  gfs2_get_tree+0x51/0x1e0
[  218.410944][ T7149]  vfs_get_tree+0x92/0x2b0
[  218.410962][ T7149]  do_new_mount+0x2a2/0xa30
[  218.410983][ T7149]  ? ns_capable+0x8a/0xf0
[  218.411003][ T7149]  ? __pfx_do_new_mount+0x10/0x10
[  218.411020][ T7149]  ? path_mount+0x61c/0xfe0
[  218.411038][ T7149]  ? user_path_at+0x44/0x60
[  218.411057][ T7149]  __se_sys_mount+0x317/0x410
[  218.411077][ T7149]  ? __pfx___se_sys_mount+0x10/0x10
[  218.411096][ T7149]  ? rcu_is_watching+0x15/0xb0
[  218.411117][ T7149]  ? __x64_sys_mount+0x20/0xc0
[  218.411136][ T7149]  do_syscall_64+0xfa/0xfa0
[  218.411155][ T7149]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.411172][ T7149]  ? clear_bhb_loop+0x60/0xb0
[  218.411190][ T7149]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  218.411206][ T7149] RIP: 0033:0x7f75fed9038a
[  218.411222][ T7149] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  218.411236][ T7149] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.411255][ T7149] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  218.411267][ T7149] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  218.411279][ T7149] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  218.411290][ T7149] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  218.411301][ T7149] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  218.411320][ T7149]  </TASK>
[  218.411371][ T7149] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.727687][ T7149] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.024982][ T7154] loop1: detected capacity change from 0 to 32768
[  219.038979][ T7154] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.046381][ T7154] CPU: 0 UID: 0 PID: 7154 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT(full) 
[  219.046404][ T7154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.046415][ T7154] Call Trace:
[  219.046422][ T7154]  <TASK>
[  219.046430][ T7154]  dump_stack_lvl+0x189/0x250
[  219.046454][ T7154]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.046473][ T7154]  ? __pfx__printk+0x10/0x10
[  219.046492][ T7154]  ? kernfs_root+0x1c/0x230
[  219.046509][ T7154]  ? kernfs_path_from_node+0x250/0x290
[  219.046524][ T7154]  ? kernfs_path_from_node+0x2f/0x290
[  219.046541][ T7154]  sysfs_create_dir_ns+0x259/0x280
[  219.046565][ T7154]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.046587][ T7154]  ? do_raw_spin_unlock+0x122/0x240
[  219.046605][ T7154]  kobject_add_internal+0x59f/0xb40
[  219.046627][ T7154]  kobject_init_and_add+0x125/0x190
[  219.046649][ T7154]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.046669][ T7154]  ? __raw_spin_lock_init+0x45/0x100
[  219.046693][ T7154]  ? __init_swait_queue_head+0xa9/0x150
[  219.046711][ T7154]  gfs2_sys_fs_add+0x234/0x450
[  219.046735][ T7154]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.046759][ T7154]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.046782][ T7154]  gfs2_fill_super+0x13c0/0x20d0
[  219.046805][ T7154]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.046823][ T7154]  ? sb_set_blocksize+0x104/0x180
[  219.046845][ T7154]  ? setup_bdev_super+0x4c1/0x5b0
[  219.046865][ T7154]  get_tree_bdev_flags+0x40e/0x4d0
[  219.046883][ T7154]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.046900][ T7154]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.046922][ T7154]  gfs2_get_tree+0x51/0x1e0
[  219.046939][ T7154]  vfs_get_tree+0x92/0x2b0
[  219.046958][ T7154]  do_new_mount+0x2a2/0xa30
[  219.046980][ T7154]  ? ns_capable+0x8a/0xf0
[  219.047000][ T7154]  ? __pfx_do_new_mount+0x10/0x10
[  219.047019][ T7154]  ? path_mount+0x61c/0xfe0
[  219.047036][ T7154]  ? user_path_at+0x44/0x60
[  219.047054][ T7154]  __se_sys_mount+0x317/0x410
[  219.047076][ T7154]  ? __pfx___se_sys_mount+0x10/0x10
[  219.047097][ T7154]  ? rcu_is_watching+0x15/0xb0
[  219.047117][ T7154]  ? __x64_sys_mount+0x20/0xc0
[  219.047136][ T7154]  do_syscall_64+0xfa/0xfa0
[  219.047155][ T7154]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.047172][ T7154]  ? clear_bhb_loop+0x60/0xb0
[  219.047189][ T7154]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.047206][ T7154] RIP: 0033:0x7f75fed9038a
[  219.047223][ T7154] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.047237][ T7154] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.047256][ T7154] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  219.047268][ T7154] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  219.047279][ T7154] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  219.047290][ T7154] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.047300][ T7154] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  219.047318][ T7154]  </TASK>
[  219.047337][ T7154] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.330675][   T31] INFO: task kworker/0:3:6034 blocked for more than 143 seconds.
[  219.340764][ T7154] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.346763][   T31]       Not tainted syzkaller #0
[  219.407766][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  219.416994][   T31] task:kworker/0:3     state:D stack:25032 pid:6034  tgid:6034  ppid:2      task_flags:0x4208060 flags:0x00004000
[  219.429318][   T31] Workqueue: gfs2_recovery gfs2_recover_func
[  219.435321][   T31] Call Trace:
[  219.438908][   T31]  <TASK>
[  219.441919][   T31]  __schedule+0x1798/0x4cc0
[  219.446477][   T31]  ? rcu_read_unlock_special+0x3a2/0x4b0
[  219.452710][   T31]  ? __pfx_rcu_read_unlock_special+0x10/0x10
[  219.458927][   T31]  ? lock_release+0x4b/0x3e0
[  219.463528][   T31]  ? __pfx___schedule+0x10/0x10
[  219.468957][   T31]  ? do_raw_spin_lock+0x121/0x290
[  219.474105][   T31]  ? schedule+0x91/0x360
[  219.478427][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.483204][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.487980][   T31]  ? lock_release+0x4b/0x3e0
[  219.493170][   T31]  ? schedule+0x91/0x360
[  219.498013][   T31]  ? wq_worker_sleeping+0x63/0x250
[  219.503201][   T31]  schedule+0x165/0x360
[  219.507374][   T31]  io_schedule+0x80/0xd0
[  219.512749][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  219.518066][   T31]  ? lock_release+0x4b/0x3e0
[  219.525926][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  219.532632][   T31]  ? seqcount_lockdep_reader_access+0x175/0x1c0
[  219.539220][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  219.544818][   T31]  ? __get_log_header+0x297/0x620
[  219.551094][   T31]  ? __filemap_get_folio+0x79f/0xaf0
[  219.556409][   T31]  gfs2_jhead_process_page+0x16e/0x650
[  219.563495][   T31]  ? __pfx_gfs2_jhead_process_page+0x10/0x10
[  219.570288][   T31]  gfs2_find_jhead+0xc9e/0xe10
[  219.575081][   T31]  gfs2_recover_func+0x646/0x1d90
[  219.580415][   T31]  ? cpuacct_charge+0x10e/0x320
[  219.585285][   T31]  ? __pfx_gfs2_recover_func+0x10/0x10
[  219.591600][   T31]  ? update_load_avg+0x572/0x1880
[  219.597361][   T31]  ? __switch_to+0xdc8/0x1690
[  219.602370][   T31]  ? do_raw_spin_lock+0x121/0x290
[  219.607420][   T31]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  219.613678][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.619230][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  219.624974][   T31]  ? process_scheduled_works+0x9ef/0x17b0
[  219.631669][   T31]  process_scheduled_works+0xae1/0x17b0
[  219.637381][   T31]  ? __pfx_process_scheduled_works+0x10/0x10
[  219.643757][   T31]  worker_thread+0x8a0/0xda0
[  219.649647][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  219.656188][   T31]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  219.662699][   T31]  ? __kthread_parkme+0x7b/0x200
[  219.667862][   T31]  kthread+0x711/0x8a0
[  219.672591][   T31]  ? __pfx_worker_thread+0x10/0x10
[  219.677749][   T31]  ? __pfx_kthread+0x10/0x10
[  219.682909][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.687728][   T31]  ? __pfx_kthread+0x10/0x10
[  219.693569][   T31]  ret_from_fork+0x47c/0x820
[  219.698201][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  219.704297][   T31]  ? __switch_to_asm+0x39/0x70
[  219.709431][   T31]  ? __switch_to_asm+0x33/0x70
[  219.714256][   T31]  ? __pfx_kthread+0x10/0x10
[  219.719300][   T31]  ret_from_fork_asm+0x1a/0x30
[  219.724109][   T31]  </TASK>
[  219.727325][   T31] INFO: task syz.0.19:6050 blocked for more than 143 seconds.
[  219.735340][   T31]       Not tainted syzkaller #0
[  219.741542][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  219.750483][   T31] task:syz.0.19        state:D stack:24744 pid:6050  tgid:6049  ppid:5966   task_flags:0x400140 flags:0x00004004
[  219.762699][   T31] Call Trace:
[  219.765992][   T31]  <TASK>
[  219.769336][   T31]  __schedule+0x1798/0x4cc0
[  219.773986][   T31]  ? __pfx_preempt_schedule_notrace+0x10/0x10
[  219.780506][   T31]  ? preempt_schedule+0xae/0xc0
[  219.785386][   T31]  ? __pfx___schedule+0x10/0x10
[  219.790665][   T31]  ? schedule+0x91/0x360
[  219.794939][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.800069][   T31]  ? rcu_is_watching+0x15/0xb0
[  219.805433][   T31]  ? lock_release+0x4b/0x3e0
[  219.810493][   T31]  schedule+0x165/0x360
[  219.814669][   T31]  bit_wait+0x11/0xd0
[  219.818976][   T31]  __wait_on_bit+0xb6/0x310
[  219.823498][   T31]  ? __pfx_bit_wait+0x10/0x10
[  219.828186][   T31]  ? __pfx_bit_wait+0x10/0x10
[  219.833258][   T31]  out_of_line_wait_on_bit+0x123/0x170
[  219.838933][   T31]  ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[  219.845014][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  219.850812][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  219.856033][   T31]  gfs2_recover_journal+0xda/0x140
[  219.861414][   T31]  init_journal+0x17cc/0x2260
[  219.866217][   T31]  ? init_inodes+0xdb/0x320
[  219.871090][   T31]  ? __pfx_init_journal+0x10/0x10
[  219.873993][ T7159] loop1: detected capacity change from 0 to 32768
[  219.876141][   T31]  ? snprintf+0xda/0x120
[  219.887177][   T31]  ? init_inodes+0xdb/0x320
[  219.892240][   T31]  ? __pfx_snprintf+0x10/0x10
[  219.892642][ T7159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.897156][   T31]  ? gfs2_glock_nq_num+0x13d/0x170
[  219.909980][   T31]  init_inodes+0xdb/0x320
[  219.914339][   T31]  gfs2_fill_super+0x1923/0x20d0
[  219.919330][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.924695][   T31]  ? init_locking+0xb8/0x210
[  219.929374][   T31]  ? sb_set_blocksize+0x104/0x180
[  219.934415][   T31]  ? setup_bdev_super+0x4c1/0x5b0
[  219.938994][ T7159] CPU: 1 UID: 0 PID: 7159 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT(full) 
[  219.939020][ T7159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  219.939032][ T7159] Call Trace:
[  219.939039][ T7159]  <TASK>
[  219.939047][ T7159]  dump_stack_lvl+0x189/0x250
[  219.939071][ T7159]  ? __pfx_dump_stack_lvl+0x10/0x10
[  219.939090][ T7159]  ? __pfx__printk+0x10/0x10
[  219.939109][ T7159]  ? kernfs_root+0x1c/0x230
[  219.939126][ T7159]  ? kernfs_path_from_node+0x250/0x290
[  219.939141][ T7159]  ? kernfs_path_from_node+0x2f/0x290
[  219.939156][ T7159]  sysfs_create_dir_ns+0x259/0x280
[  219.939179][ T7159]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  219.939201][ T7159]  ? do_raw_spin_unlock+0x122/0x240
[  219.939220][ T7159]  kobject_add_internal+0x59f/0xb40
[  219.939243][ T7159]  kobject_init_and_add+0x125/0x190
[  219.939264][ T7159]  ? __pfx_kobject_init_and_add+0x10/0x10
[  219.939289][ T7159]  ? __raw_spin_lock_init+0x45/0x100
[  219.939306][ T7159]  ? __init_swait_queue_head+0xa9/0x150
[  219.939324][ T7159]  gfs2_sys_fs_add+0x234/0x450
[  219.939346][ T7159]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  219.939370][ T7159]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  219.939393][ T7159]  gfs2_fill_super+0x13c0/0x20d0
[  219.939417][ T7159]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.939436][ T7159]  ? sb_set_blocksize+0x104/0x180
[  219.939454][ T7159]  ? setup_bdev_super+0x4c1/0x5b0
[  219.939471][ T7159]  get_tree_bdev_flags+0x40e/0x4d0
[  219.939488][ T7159]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.939504][ T7159]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.939525][ T7159]  gfs2_get_tree+0x51/0x1e0
[  219.939543][ T7159]  vfs_get_tree+0x92/0x2b0
[  219.939562][ T7159]  do_new_mount+0x2a2/0xa30
[  219.939582][ T7159]  ? ns_capable+0x8a/0xf0
[  219.939603][ T7159]  ? __pfx_do_new_mount+0x10/0x10
[  219.939620][ T7159]  ? path_mount+0x61c/0xfe0
[  219.939638][ T7159]  ? user_path_at+0x44/0x60
[  219.939656][ T7159]  __se_sys_mount+0x317/0x410
[  219.939677][ T7159]  ? __pfx___se_sys_mount+0x10/0x10
[  219.939698][ T7159]  ? rcu_is_watching+0x15/0xb0
[  219.939719][ T7159]  ? __x64_sys_mount+0x20/0xc0
[  219.939738][ T7159]  do_syscall_64+0xfa/0xfa0
[  219.939758][ T7159]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.939773][ T7159]  ? clear_bhb_loop+0x60/0xb0
[  219.939791][ T7159]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  219.939807][ T7159] RIP: 0033:0x7f75fed9038a
[  219.939823][ T7159] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  219.939837][ T7159] RSP: 002b:00007f75ffb27e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.939856][ T7159] RAX: ffffffffffffffda RBX: 00007f75ffb27ef0 RCX: 00007f75fed9038a
[  219.939874][ T7159] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007f75ffb27eb0
[  219.939886][ T7159] RBP: 000020000001f680 R08: 00007f75ffb27ef0 R09: 0000000000000084
[  219.939897][ T7159] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  219.939909][ T7159] R13: 00007f75ffb27eb0 R14: 000000000001f81f R15: 00002000000001c0
[  219.939928][ T7159]  </TASK>
[  219.939948][ T7159] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.948721][   T31]  get_tree_bdev_flags+0x40e/0x4d0
[  219.948754][   T31]  ? __pfx_gfs2_fill_super+0x10/0x10
[  219.948773][   T31]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  219.948795][   T31]  gfs2_get_tree+0x51/0x1e0
[  219.948814][   T31]  vfs_get_tree+0x92/0x2b0
[  219.948832][   T31]  do_new_mount+0x2a2/0xa30
[  219.980141][ T7159] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.980380][   T31]  ? ns_capable+0x8a/0xf0
[  220.295923][   T31]  ? __pfx_do_new_mount+0x10/0x10
[  220.301053][   T31]  ? path_mount+0x61c/0xfe0
[  220.305569][   T31]  ? user_path_at+0x44/0x60
[  220.311079][   T31]  __se_sys_mount+0x317/0x410
[  220.316324][   T31]  ? __pfx___se_sys_mount+0x10/0x10
[  220.321629][   T31]  ? rcu_is_watching+0x15/0xb0
[  220.326400][   T31]  ? __x64_sys_mount+0x20/0xc0
[  220.331816][   T31]  do_syscall_64+0xfa/0xfa0
[  220.336357][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.342483][   T31]  ? clear_bhb_loop+0x60/0xb0
[  220.347171][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.353646][   T31] RIP: 0033:0x7facb4b9038a
[  220.358076][   T31] RSP: 002b:00007facb5933e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.366556][   T31] RAX: ffffffffffffffda RBX: 00007facb5933ef0 RCX: 00007facb4b9038a
[  220.377374][   T31] RDX: 000020000001f680 RSI: 0000200000000080 RDI: 00007facb5933eb0
[  220.385452][   T31] RBP: 000020000001f680 R08: 00007facb5933ef0 R09: 0000000000000084
[  220.394017][   T31] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000080
[  220.402103][   T31] R13: 00007facb5933eb0 R14: 000000000001f81f R15: 00002000000001c0
[  220.410701][   T31]  </TASK>
[  220.413834][   T31] INFO: lockdep is turned off.
[  220.419101][   T31] NMI backtrace for cpu 0
[  220.419120][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  220.419140][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.419151][   T31] Call Trace:
[  220.419158][   T31]  <TASK>
[  220.419166][   T31]  dump_stack_lvl+0x189/0x250
[  220.419191][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  220.419209][   T31]  ? __pfx__printk+0x10/0x10
[  220.419234][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  220.419257][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  220.419279][   T31]  ? __pfx__printk+0x10/0x10
[  220.419301][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  220.419329][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  220.419353][   T31]  watchdog+0xf60/0xfa0
[  220.419373][   T31]  ? watchdog+0x1e2/0xfa0
[  220.419393][   T31]  kthread+0x711/0x8a0
[  220.419411][   T31]  ? __pfx_watchdog+0x10/0x10
[  220.419429][   T31]  ? __pfx_kthread+0x10/0x10
[  220.419443][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  220.419460][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  220.419478][   T31]  ? __pfx_kthread+0x10/0x10
[  220.419494][   T31]  ret_from_fork+0x47c/0x820
[  220.419517][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  220.419540][   T31]  ? __switch_to_asm+0x39/0x70
[  220.419566][   T31]  ? __switch_to_asm+0x33/0x70
[  220.419583][   T31]  ? __pfx_kthread+0x10/0x10
[  220.419598][   T31]  ret_from_fork_asm+0x1a/0x30
[  220.419624][   T31]  </TASK>
[  220.419631][   T31] Sending NMI from CPU 0 to CPUs 1:
[  220.565878][    C1] NMI backtrace for cpu 1
[  220.565897][    C1] CPU: 1 UID: 0 PID: 7164 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT(full) 
[  220.565915][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  220.565925][    C1] RIP: 0010:check_preemption_disabled+0x2d/0x120
[  220.565951][    C1] Code: 41 56 53 48 83 ec 10 65 48 8b 05 be 54 43 07 48 89 44 24 08 65 8b 05 c6 54 43 07 65 8b 0d bb 54 43 07 f7 c1 ff ff ff 7f 74 23 <65> 48 8b 0d 9b 54 43 07 48 3b 4c 24 08 0f 85 cc 00 00 00 48 83 c4
[  220.565965][    C1] RSP: 0018:ffffc9000b236ff8 EFLAGS: 00000202
[  220.565981][    C1] RAX: 0000000000000001 RBX: ffffffff90532a01 RCX: 0000000080000001
[  220.565992][    C1] RDX: ffffc9000b237201 RSI: ffffffff8c035860 RDI: ffffffff8c035820
[  220.566004][    C1] RBP: dffffc0000000000 R08: ffffc9000b237270 R09: 0000000000000000
[  220.566016][    C1] R10: ffffc9000b237238 R11: fffff52001646e49 R12: ffffc9000b237280
[  220.566028][    C1] R13: ffffffff8173a1d5 R14: ffffffff8e33bfe0 R15: ffffffff8173a1d5
[  220.566040][    C1] FS:  00007f75ffb286c0(0000) GS:ffff888125aff000(0000) knlGS:0000000000000000
[  220.566054][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  220.566065][    C1] CR2: 00007f75f6dff000 CR3: 0000000071dc2000 CR4: 00000000003526f0
[  220.566080][    C1] Call Trace:
[  220.566086][    C1]  <TASK>
[  220.566095][    C1]  ? unwind_next_frame+0xa5/0x2390
[  220.566110][    C1]  rcu_is_watching+0x15/0xb0
[  220.566130][    C1]  ? unwind_next_frame+0xa5/0x2390
[  220.566143][    C1]  lock_release+0x4b/0x3e0
[  220.566161][    C1]  ? rcu_is_watching+0x15/0xb0
[  220.566178][    C1]  ? deref_stack_reg+0x19f/0x230
[  220.566193][    C1]  ? unwind_next_frame+0xa5/0x2390
[  220.566207][    C1]  unwind_next_frame+0x19a9/0x2390
[  220.566223][    C1]  ? unwind_next_frame+0xa5/0x2390
[  220.566237][    C1]  ? arch_stack_walk+0xe4/0x150
[  220.566254][    C1]  __unwind_start+0x5b9/0x760
[  220.566270][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  220.566286][    C1]  arch_stack_walk+0xe4/0x150
[  220.566302][    C1]  ? stack_trace_save+0x9c/0xe0
[  220.566318][    C1]  stack_trace_save+0x9c/0xe0
[  220.566333][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  220.566354][    C1]  ? stack_depot_save_flags+0x40/0x860
[  220.566375][    C1]  kasan_save_track+0x3e/0x80
[  220.566410][    C1]  __kasan_save_free_info+0x46/0x50
[  220.566430][    C1]  __kasan_slab_free+0x5b/0x80
[  220.566446][    C1]  kmem_cache_free_bulk+0x2d1/0x520
[  220.566464][    C1]  ? mas_destroy+0x165d/0x1c70
[  220.566482][    C1]  mas_destroy+0x165d/0x1c70
[  220.566503][    C1]  ? __pfx_mas_destroy+0x10/0x10
[  220.566529][    C1]  ? __kasan_slab_alloc+0x6c/0x80
[  220.566545][    C1]  ? kmem_cache_alloc_bulk_noprof+0x4fd/0x790
[  220.566564][    C1]  ? kmem_cache_alloc_bulk_noprof+0xfa/0x790
[  220.566580][    C1]  ? kmem_cache_alloc_noprof+0x206/0x390
[  220.566595][    C1]  ? mas_alloc_nodes+0x2e9/0x8e0
[  220.566612][    C1]  ? mas_alloc_nodes+0x75c/0x8e0
[  220.566630][    C1]  mas_store_gfp+0x7bc/0x860
[  220.566648][    C1]  ? __pfx_mas_store_gfp+0x10/0x10
[  220.566666][    C1]  ? __mas_set_range+0x12f/0x3c0
[  220.566683][    C1]  do_vmi_align_munmap+0x2a7/0x420
[  220.566709][    C1]  ? __pfx_do_vmi_align_munmap+0x10/0x10
[  220.566738][    C1]  do_vmi_munmap+0x253/0x2e0
[  220.566759][    C1]  __vm_munmap+0x23b/0x3d0
[  220.566775][    C1]  ? __pfx___vm_munmap+0x10/0x10
[  220.566793][    C1]  ? rcu_is_watching+0x15/0xb0
[  220.566815][    C1]  __x64_sys_munmap+0x60/0x70
[  220.566835][    C1]  do_syscall_64+0xfa/0xfa0
[  220.566853][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.566868][    C1]  ? clear_bhb_loop+0x60/0xb0
[  220.566884][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  220.566898][    C1] RIP: 0033:0x7f75fed8ec77
[  220.566915][    C1] Code: 00 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.566928][    C1] RSP: 002b:00007f75ffb27e18 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[  220.566944][    C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f75fed8ec77
[  220.566955][    C1] RDX: 0000000000000000 RSI: 0000000008400000 RDI: 00007f75f5e00000
[  220.566966][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f819
[  220.566976][    C1] R10: 000020000003eec2 R11: 0000000000000246 R12: 0000000000000003
[  220.566987][    C1] R13: 00007f75ffb27ef0 R14: 00007f75ffb27eb0 R15: 00007f75f5e00000
[  220.567005][    C1]  </TASK>
[  220.567982][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  220.997684][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  221.006818][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  221.016885][   T31] Call Trace:
[  221.020192][   T31]  <TASK>
[  221.023119][   T31]  dump_stack_lvl+0x99/0x250
[  221.027802][   T31]  ? __asan_memcpy+0x40/0x70
[  221.032417][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  221.037603][   T31]  ? __pfx__printk+0x10/0x10
[  221.042198][   T31]  vpanic+0x281/0x750
[  221.046175][   T31]  ? __pfx_vpanic+0x10/0x10
[  221.050660][   T31]  ? rcu_is_watching+0x15/0xb0
[  221.055589][   T31]  ? preempt_schedule+0xae/0xc0
[  221.060439][   T31]  ? preempt_schedule_common+0x83/0xd0
[  221.065906][   T31]  panic+0xb9/0xc0
[  221.069714][   T31]  ? __pfx_panic+0x10/0x10
[  221.074165][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  221.079546][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  221.085778][   T31]  watchdog+0xf9f/0xfa0
[  221.090021][   T31]  ? watchdog+0x1e2/0xfa0
[  221.094356][   T31]  kthread+0x711/0x8a0
[  221.098415][   T31]  ? __pfx_watchdog+0x10/0x10
[  221.103167][   T31]  ? __pfx_kthread+0x10/0x10
[  221.107851][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  221.113050][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  221.118258][   T31]  ? __pfx_kthread+0x10/0x10
[  221.123016][   T31]  ret_from_fork+0x47c/0x820
[  221.127614][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  221.132731][   T31]  ? __switch_to_asm+0x39/0x70
[  221.137579][   T31]  ? __switch_to_asm+0x33/0x70
[  221.142349][   T31]  ? __pfx_kthread+0x10/0x10
[  221.146929][   T31]  ret_from_fork_asm+0x1a/0x30
[  221.151776][   T31]  </TASK>
[  221.156046][   T31] Kernel Offset: disabled
[  221.160374][   T31] Rebooting in 86400 seconds..