450
[  317.331281][ T6641]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  317.331314][ T6641]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  317.331343][ T6641]  gfs2_fill_super+0x13c0/0x20d0
[  317.331372][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.331397][ T6641]  ? sb_set_blocksize+0x104/0x180
[  317.331425][ T6641]  ? setup_bdev_super+0x4c1/0x5b0
[  317.331451][ T6641]  get_tree_bdev_flags+0x40e/0x4d0
[  317.331475][ T6641]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.331499][ T6641]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  317.331528][ T6641]  gfs2_get_tree+0x51/0x1e0
[  317.331552][ T6641]  vfs_get_tree+0x92/0x2b0
[  317.331577][ T6641]  do_new_mount+0x2a2/0xa30
[  317.331605][ T6641]  ? ns_capable+0x8a/0xf0
[  317.331633][ T6641]  ? __pfx_do_new_mount+0x10/0x10
[  317.331658][ T6641]  ? path_mount+0x61c/0xfe0
[  317.331682][ T6641]  ? user_path_at+0x44/0x60
[  317.331705][ T6641]  __se_sys_mount+0x317/0x410
[  317.331735][ T6641]  ? __pfx___se_sys_mount+0x10/0x10
[  317.331763][ T6641]  ? rcu_is_watching+0x15/0xb0
[  317.331792][ T6641]  ? __x64_sys_mount+0x20/0xc0
[  317.331820][ T6641]  do_syscall_64+0xfa/0xfa0
[  317.331846][ T6641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.331867][ T6641]  ? clear_bhb_loop+0x60/0xb0
[  317.331890][ T6641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.331910][ T6641] RIP: 0033:0x7ff16439038a
[  317.331929][ T6641] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  317.331948][ T6641] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.331972][ T6641] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  317.331988][ T6641] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  317.332003][ T6641] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  317.332018][ T6641] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  317.332032][ T6641] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  317.332056][ T6641]  </TASK>
[  317.634285][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  317.649010][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/24 09:30:24 executed programs: 192
[  317.896111][ T6644] loop1: detected capacity change from 0 to 32768
[  317.915709][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  317.923830][ T6644] CPU: 0 UID: 0 PID: 6644 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full) 
[  317.923859][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  317.923872][ T6644] Call Trace:
[  317.923880][ T6644]  <TASK>
[  317.923889][ T6644]  dump_stack_lvl+0x189/0x250
[  317.923921][ T6644]  ? __pfx_dump_stack_lvl+0x10/0x10
[  317.923947][ T6644]  ? __pfx__printk+0x10/0x10
[  317.923974][ T6644]  ? kernfs_root+0x1c/0x230
[  317.923995][ T6644]  ? kernfs_path_from_node+0x250/0x290
[  317.924013][ T6644]  ? kernfs_path_from_node+0x2f/0x290
[  317.924034][ T6644]  sysfs_create_dir_ns+0x259/0x280
[  317.924064][ T6644]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  317.924119][ T6644]  ? do_raw_spin_unlock+0x122/0x240
[  317.924143][ T6644]  kobject_add_internal+0x59f/0xb40
[  317.924183][ T6644]  kobject_init_and_add+0x125/0x190
[  317.924212][ T6644]  ? __pfx_kobject_init_and_add+0x10/0x10
[  317.924238][ T6644]  ? __raw_spin_lock_init+0x45/0x100
[  317.924259][ T6644]  ? __init_swait_queue_head+0xa9/0x150
[  317.924281][ T6644]  gfs2_sys_fs_add+0x234/0x450
[  317.924311][ T6644]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  317.924344][ T6644]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  317.924375][ T6644]  gfs2_fill_super+0x13c0/0x20d0
[  317.924405][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.924430][ T6644]  ? sb_set_blocksize+0x104/0x180
[  317.924458][ T6644]  ? setup_bdev_super+0x4c1/0x5b0
[  317.924484][ T6644]  get_tree_bdev_flags+0x40e/0x4d0
[  317.924507][ T6644]  ? __pfx_gfs2_fill_super+0x10/0x10
[  317.924530][ T6644]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  317.924560][ T6644]  gfs2_get_tree+0x51/0x1e0
[  317.924583][ T6644]  vfs_get_tree+0x92/0x2b0
[  317.924608][ T6644]  do_new_mount+0x2a2/0xa30
[  317.924636][ T6644]  ? ns_capable+0x8a/0xf0
[  317.924664][ T6644]  ? __pfx_do_new_mount+0x10/0x10
[  317.924690][ T6644]  ? path_mount+0x61c/0xfe0
[  317.924714][ T6644]  ? user_path_at+0x44/0x60
[  317.924737][ T6644]  __se_sys_mount+0x317/0x410
[  317.924766][ T6644]  ? __pfx___se_sys_mount+0x10/0x10
[  317.924794][ T6644]  ? rcu_is_watching+0x15/0xb0
[  317.924822][ T6644]  ? __x64_sys_mount+0x20/0xc0
[  317.924849][ T6644]  do_syscall_64+0xfa/0xfa0
[  317.924879][ T6644]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.924900][ T6644]  ? clear_bhb_loop+0x60/0xb0
[  317.924922][ T6644]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  317.924942][ T6644] RIP: 0033:0x7ff16439038a
[  317.924960][ T6644] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  317.924979][ T6644] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  317.925002][ T6644] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  317.925017][ T6644] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  317.925032][ T6644] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  317.925047][ T6644] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  317.925061][ T6644] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  317.925085][ T6644]  </TASK>
[  317.925183][ T6644] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.240560][ T6644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  318.514756][ T6647] loop1: detected capacity change from 0 to 32768
[  318.522973][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  318.530417][ T6647] CPU: 0 UID: 0 PID: 6647 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full) 
[  318.530443][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  318.530456][ T6647] Call Trace:
[  318.530463][ T6647]  <TASK>
[  318.530471][ T6647]  dump_stack_lvl+0x189/0x250
[  318.530504][ T6647]  ? __pfx_dump_stack_lvl+0x10/0x10
[  318.530529][ T6647]  ? __pfx__printk+0x10/0x10
[  318.530554][ T6647]  ? kernfs_root+0x1c/0x230
[  318.530575][ T6647]  ? kernfs_path_from_node+0x250/0x290
[  318.530591][ T6647]  ? kernfs_path_from_node+0x2f/0x290
[  318.530610][ T6647]  sysfs_create_dir_ns+0x259/0x280
[  318.530640][ T6647]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  318.530669][ T6647]  ? do_raw_spin_unlock+0x122/0x240
[  318.530691][ T6647]  kobject_add_internal+0x59f/0xb40
[  318.530722][ T6647]  kobject_init_and_add+0x125/0x190
[  318.530751][ T6647]  ? __pfx_kobject_init_and_add+0x10/0x10
[  318.530776][ T6647]  ? __raw_spin_lock_init+0x45/0x100
[  318.530796][ T6647]  ? __init_swait_queue_head+0xa9/0x150
[  318.530817][ T6647]  gfs2_sys_fs_add+0x234/0x450
[  318.530848][ T6647]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  318.530880][ T6647]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  318.530910][ T6647]  gfs2_fill_super+0x13c0/0x20d0
[  318.530940][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.530965][ T6647]  ? sb_set_blocksize+0x104/0x180
[  318.530993][ T6647]  ? setup_bdev_super+0x4c1/0x5b0
[  318.531018][ T6647]  get_tree_bdev_flags+0x40e/0x4d0
[  318.531042][ T6647]  ? __pfx_gfs2_fill_super+0x10/0x10
[  318.531064][ T6647]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  318.531104][ T6647]  gfs2_get_tree+0x51/0x1e0
[  318.531131][ T6647]  vfs_get_tree+0x92/0x2b0
[  318.531154][ T6647]  do_new_mount+0x2a2/0xa30
[  318.531181][ T6647]  ? ns_capable+0x8a/0xf0
[  318.531209][ T6647]  ? __pfx_do_new_mount+0x10/0x10
[  318.531234][ T6647]  ? path_mount+0x61c/0xfe0
[  318.531257][ T6647]  ? user_path_at+0x44/0x60
[  318.531281][ T6647]  __se_sys_mount+0x317/0x410
[  318.531310][ T6647]  ? __pfx___se_sys_mount+0x10/0x10
[  318.531339][ T6647]  ? rcu_is_watching+0x15/0xb0
[  318.531369][ T6647]  ? __x64_sys_mount+0x20/0xc0
[  318.531397][ T6647]  do_syscall_64+0xfa/0xfa0
[  318.531422][ T6647]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.531442][ T6647]  ? clear_bhb_loop+0x60/0xb0
[  318.531464][ T6647]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  318.531484][ T6647] RIP: 0033:0x7ff16439038a
[  318.531503][ T6647] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  318.531522][ T6647] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  318.531544][ T6647] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  318.531560][ T6647] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  318.531576][ T6647] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  318.531591][ T6647] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  318.531605][ T6647] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  318.531629][ T6647]  </TASK>
[  318.831600][ T6647] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  318.845819][ T6647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.111937][ T6650] loop1: detected capacity change from 0 to 32768
[  319.127099][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.134653][ T6650] CPU: 1 UID: 0 PID: 6650 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full) 
[  319.134680][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  319.134694][ T6650] Call Trace:
[  319.134701][ T6650]  <TASK>
[  319.134709][ T6650]  dump_stack_lvl+0x189/0x250
[  319.134740][ T6650]  ? __pfx_dump_stack_lvl+0x10/0x10
[  319.134765][ T6650]  ? __pfx__printk+0x10/0x10
[  319.134791][ T6650]  ? kernfs_root+0x1c/0x230
[  319.134813][ T6650]  ? kernfs_path_from_node+0x250/0x290
[  319.134831][ T6650]  ? kernfs_path_from_node+0x2f/0x290
[  319.134851][ T6650]  sysfs_create_dir_ns+0x259/0x280
[  319.134882][ T6650]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  319.134914][ T6650]  ? do_raw_spin_unlock+0x122/0x240
[  319.134938][ T6650]  kobject_add_internal+0x59f/0xb40
[  319.134970][ T6650]  kobject_init_and_add+0x125/0x190
[  319.135010][ T6650]  ? __pfx_kobject_init_and_add+0x10/0x10
[  319.135037][ T6650]  ? __raw_spin_lock_init+0x45/0x100
[  319.135058][ T6650]  ? __init_swait_queue_head+0xa9/0x150
[  319.135080][ T6650]  gfs2_sys_fs_add+0x234/0x450
[  319.135111][ T6650]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  319.135143][ T6650]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  319.135173][ T6650]  gfs2_fill_super+0x13c0/0x20d0
[  319.135203][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.135228][ T6650]  ? sb_set_blocksize+0x104/0x180
[  319.135255][ T6650]  ? setup_bdev_super+0x4c1/0x5b0
[  319.135281][ T6650]  get_tree_bdev_flags+0x40e/0x4d0
[  319.135304][ T6650]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.135328][ T6650]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  319.135357][ T6650]  gfs2_get_tree+0x51/0x1e0
[  319.135380][ T6650]  vfs_get_tree+0x92/0x2b0
[  319.135405][ T6650]  do_new_mount+0x2a2/0xa30
[  319.135433][ T6650]  ? ns_capable+0x8a/0xf0
[  319.135461][ T6650]  ? __pfx_do_new_mount+0x10/0x10
[  319.135486][ T6650]  ? path_mount+0x61c/0xfe0
[  319.135510][ T6650]  ? user_path_at+0x44/0x60
[  319.135533][ T6650]  __se_sys_mount+0x317/0x410
[  319.135562][ T6650]  ? __pfx___se_sys_mount+0x10/0x10
[  319.135590][ T6650]  ? rcu_is_watching+0x15/0xb0
[  319.135619][ T6650]  ? __x64_sys_mount+0x20/0xc0
[  319.135646][ T6650]  do_syscall_64+0xfa/0xfa0
[  319.135672][ T6650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.135693][ T6650]  ? clear_bhb_loop+0x60/0xb0
[  319.135716][ T6650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.135736][ T6650] RIP: 0033:0x7ff16439038a
[  319.135755][ T6650] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  319.135774][ T6650] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.135796][ T6650] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  319.135812][ T6650] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  319.135828][ T6650] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  319.135842][ T6650] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  319.135856][ T6650] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  319.135881][ T6650]  </TASK>
[  319.135901][ T6650] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  319.451024][ T6650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  319.721610][ T6653] loop1: detected capacity change from 0 to 32768
[  319.734142][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  319.744588][ T6653] CPU: 1 UID: 0 PID: 6653 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full) 
[  319.744619][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  319.744632][ T6653] Call Trace:
[  319.744641][ T6653]  <TASK>
[  319.744650][ T6653]  dump_stack_lvl+0x189/0x250
[  319.744684][ T6653]  ? __pfx_dump_stack_lvl+0x10/0x10
[  319.744710][ T6653]  ? __pfx__printk+0x10/0x10
[  319.744738][ T6653]  ? kernfs_root+0x1c/0x230
[  319.744761][ T6653]  ? kernfs_path_from_node+0x250/0x290
[  319.744779][ T6653]  ? kernfs_path_from_node+0x2f/0x290
[  319.744800][ T6653]  sysfs_create_dir_ns+0x259/0x280
[  319.744832][ T6653]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  319.744863][ T6653]  ? do_raw_spin_unlock+0x122/0x240
[  319.744889][ T6653]  kobject_add_internal+0x59f/0xb40
[  319.744920][ T6653]  kobject_init_and_add+0x125/0x190
[  319.744962][ T6653]  ? __pfx_kobject_init_and_add+0x10/0x10
[  319.744989][ T6653]  ? __raw_spin_lock_init+0x45/0x100
[  319.745010][ T6653]  ? __init_swait_queue_head+0xa9/0x150
[  319.745030][ T6653]  gfs2_sys_fs_add+0x234/0x450
[  319.745060][ T6653]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  319.745093][ T6653]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  319.745123][ T6653]  gfs2_fill_super+0x13c0/0x20d0
[  319.745153][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.745178][ T6653]  ? sb_set_blocksize+0x104/0x180
[  319.745205][ T6653]  ? setup_bdev_super+0x4c1/0x5b0
[  319.745231][ T6653]  get_tree_bdev_flags+0x40e/0x4d0
[  319.745255][ T6653]  ? __pfx_gfs2_fill_super+0x10/0x10
[  319.745278][ T6653]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  319.745308][ T6653]  gfs2_get_tree+0x51/0x1e0
[  319.745331][ T6653]  vfs_get_tree+0x92/0x2b0
[  319.745356][ T6653]  do_new_mount+0x2a2/0xa30
[  319.745384][ T6653]  ? ns_capable+0x8a/0xf0
[  319.745413][ T6653]  ? __pfx_do_new_mount+0x10/0x10
[  319.745437][ T6653]  ? path_mount+0x61c/0xfe0
[  319.745461][ T6653]  ? user_path_at+0x44/0x60
[  319.745483][ T6653]  __se_sys_mount+0x317/0x410
[  319.745513][ T6653]  ? __pfx___se_sys_mount+0x10/0x10
[  319.745541][ T6653]  ? rcu_is_watching+0x15/0xb0
[  319.745571][ T6653]  ? __x64_sys_mount+0x20/0xc0
[  319.745599][ T6653]  do_syscall_64+0xfa/0xfa0
[  319.745625][ T6653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.745645][ T6653]  ? clear_bhb_loop+0x60/0xb0
[  319.745668][ T6653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  319.745688][ T6653] RIP: 0033:0x7ff16439038a
[  319.745706][ T6653] 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
[  319.745725][ T6653] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  319.745749][ T6653] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  319.745765][ T6653] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  319.745781][ T6653] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  319.745796][ T6653] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  319.745810][ T6653] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  319.745834][ T6653]  </TASK>
[  319.745861][ T6653] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.062126][ T6653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.340838][ T6656] loop1: detected capacity change from 0 to 32768
[  320.353249][ T6656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.363733][ T6656] CPU: 1 UID: 0 PID: 6656 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full) 
[  320.363762][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  320.363775][ T6656] Call Trace:
[  320.363784][ T6656]  <TASK>
[  320.363793][ T6656]  dump_stack_lvl+0x189/0x250
[  320.363824][ T6656]  ? __pfx_dump_stack_lvl+0x10/0x10
[  320.363850][ T6656]  ? __pfx__printk+0x10/0x10
[  320.363901][ T6656]  ? kernfs_root+0x1c/0x230
[  320.363923][ T6656]  ? kernfs_path_from_node+0x250/0x290
[  320.363940][ T6656]  ? kernfs_path_from_node+0x2f/0x290
[  320.363969][ T6656]  sysfs_create_dir_ns+0x259/0x280
[  320.363999][ T6656]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  320.364029][ T6656]  ? do_raw_spin_unlock+0x122/0x240
[  320.364053][ T6656]  kobject_add_internal+0x59f/0xb40
[  320.364084][ T6656]  kobject_init_and_add+0x125/0x190
[  320.364112][ T6656]  ? __pfx_kobject_init_and_add+0x10/0x10
[  320.364138][ T6656]  ? __raw_spin_lock_init+0x45/0x100
[  320.364159][ T6656]  ? __init_swait_queue_head+0xa9/0x150
[  320.364181][ T6656]  gfs2_sys_fs_add+0x234/0x450
[  320.364213][ T6656]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  320.364246][ T6656]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  320.364276][ T6656]  gfs2_fill_super+0x13c0/0x20d0
[  320.364306][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.364331][ T6656]  ? sb_set_blocksize+0x104/0x180
[  320.364359][ T6656]  ? setup_bdev_super+0x4c1/0x5b0
[  320.364384][ T6656]  get_tree_bdev_flags+0x40e/0x4d0
[  320.364409][ T6656]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.364431][ T6656]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  320.364461][ T6656]  gfs2_get_tree+0x51/0x1e0
[  320.364484][ T6656]  vfs_get_tree+0x92/0x2b0
[  320.364509][ T6656]  do_new_mount+0x2a2/0xa30
[  320.364536][ T6656]  ? ns_capable+0x8a/0xf0
[  320.364564][ T6656]  ? __pfx_do_new_mount+0x10/0x10
[  320.364589][ T6656]  ? path_mount+0x61c/0xfe0
[  320.364613][ T6656]  ? user_path_at+0x44/0x60
[  320.364637][ T6656]  __se_sys_mount+0x317/0x410
[  320.364666][ T6656]  ? __pfx___se_sys_mount+0x10/0x10
[  320.364694][ T6656]  ? rcu_is_watching+0x15/0xb0
[  320.364722][ T6656]  ? __x64_sys_mount+0x20/0xc0
[  320.364767][ T6656]  do_syscall_64+0xfa/0xfa0
[  320.364792][ T6656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.364813][ T6656]  ? clear_bhb_loop+0x60/0xb0
[  320.364836][ T6656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.364856][ T6656] RIP: 0033:0x7ff16439038a
[  320.364875][ T6656] 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
[  320.364893][ T6656] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.364915][ T6656] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  320.364931][ T6656] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  320.364957][ T6656] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  320.364972][ T6656] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  320.364986][ T6656] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  320.365010][ T6656]  </TASK>
[  320.365031][ T6656] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  320.680364][ T6656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  320.948014][ T6659] loop1: detected capacity change from 0 to 32768
[  320.959016][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  320.966817][ T6659] CPU: 1 UID: 0 PID: 6659 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full) 
[  320.966843][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  320.966856][ T6659] Call Trace:
[  320.966881][ T6659]  <TASK>
[  320.966890][ T6659]  dump_stack_lvl+0x189/0x250
[  320.966920][ T6659]  ? __pfx_dump_stack_lvl+0x10/0x10
[  320.966944][ T6659]  ? __pfx__printk+0x10/0x10
[  320.966970][ T6659]  ? kernfs_root+0x1c/0x230
[  320.966991][ T6659]  ? kernfs_path_from_node+0x250/0x290
[  320.967009][ T6659]  ? kernfs_path_from_node+0x2f/0x290
[  320.967028][ T6659]  sysfs_create_dir_ns+0x259/0x280
[  320.967060][ T6659]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  320.967091][ T6659]  ? do_raw_spin_unlock+0x122/0x240
[  320.967115][ T6659]  kobject_add_internal+0x59f/0xb40
[  320.967146][ T6659]  kobject_init_and_add+0x125/0x190
[  320.967175][ T6659]  ? __pfx_kobject_init_and_add+0x10/0x10
[  320.967201][ T6659]  ? __raw_spin_lock_init+0x45/0x100
[  320.967222][ T6659]  ? __init_swait_queue_head+0xa9/0x150
[  320.967244][ T6659]  gfs2_sys_fs_add+0x234/0x450
[  320.967274][ T6659]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  320.967306][ T6659]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  320.967337][ T6659]  gfs2_fill_super+0x13c0/0x20d0
[  320.967367][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.967392][ T6659]  ? sb_set_blocksize+0x104/0x180
[  320.967420][ T6659]  ? setup_bdev_super+0x4c1/0x5b0
[  320.967446][ T6659]  get_tree_bdev_flags+0x40e/0x4d0
[  320.967470][ T6659]  ? __pfx_gfs2_fill_super+0x10/0x10
[  320.967493][ T6659]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  320.967522][ T6659]  gfs2_get_tree+0x51/0x1e0
[  320.967546][ T6659]  vfs_get_tree+0x92/0x2b0
[  320.967571][ T6659]  do_new_mount+0x2a2/0xa30
[  320.967599][ T6659]  ? ns_capable+0x8a/0xf0
[  320.967628][ T6659]  ? __pfx_do_new_mount+0x10/0x10
[  320.967652][ T6659]  ? path_mount+0x61c/0xfe0
[  320.967676][ T6659]  ? user_path_at+0x44/0x60
[  320.967699][ T6659]  __se_sys_mount+0x317/0x410
[  320.967728][ T6659]  ? __pfx___se_sys_mount+0x10/0x10
[  320.967757][ T6659]  ? rcu_is_watching+0x15/0xb0
[  320.967786][ T6659]  ? __x64_sys_mount+0x20/0xc0
[  320.967813][ T6659]  do_syscall_64+0xfa/0xfa0
[  320.967839][ T6659]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.967859][ T6659]  ? clear_bhb_loop+0x60/0xb0
[  320.967894][ T6659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  320.967914][ T6659] RIP: 0033:0x7ff16439038a
[  320.967933][ T6659] 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
[  320.967952][ T6659] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  320.967974][ T6659] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  320.967991][ T6659] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  320.968006][ T6659] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  320.968021][ T6659] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  320.968035][ T6659] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  320.968058][ T6659]  </TASK>
[  320.968078][ T6659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.284439][ T6659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  321.553068][ T6662] loop1: detected capacity change from 0 to 32768
[  321.582145][ T6662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  321.589688][ T6662] CPU: 0 UID: 0 PID: 6662 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full) 
[  321.589714][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  321.589727][ T6662] Call Trace:
[  321.589734][ T6662]  <TASK>
[  321.589743][ T6662]  dump_stack_lvl+0x189/0x250
[  321.589772][ T6662]  ? __pfx_dump_stack_lvl+0x10/0x10
[  321.589796][ T6662]  ? __pfx__printk+0x10/0x10
[  321.589823][ T6662]  ? kernfs_root+0x1c/0x230
[  321.589847][ T6662]  ? kernfs_path_from_node+0x250/0x290
[  321.589864][ T6662]  ? kernfs_path_from_node+0x2f/0x290
[  321.589882][ T6662]  sysfs_create_dir_ns+0x259/0x280
[  321.589912][ T6662]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  321.589943][ T6662]  ? do_raw_spin_unlock+0x122/0x240
[  321.589968][ T6662]  kobject_add_internal+0x59f/0xb40
[  321.589998][ T6662]  kobject_init_and_add+0x125/0x190
[  321.590026][ T6662]  ? __pfx_kobject_init_and_add+0x10/0x10
[  321.590050][ T6662]  ? __raw_spin_lock_init+0x45/0x100
[  321.590070][ T6662]  ? __init_swait_queue_head+0xa9/0x150
[  321.590099][ T6662]  gfs2_sys_fs_add+0x234/0x450
[  321.590127][ T6662]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  321.590158][ T6662]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  321.590186][ T6662]  gfs2_fill_super+0x13c0/0x20d0
[  321.590216][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.590240][ T6662]  ? sb_set_blocksize+0x104/0x180
[  321.590268][ T6662]  ? setup_bdev_super+0x4c1/0x5b0
[  321.590293][ T6662]  get_tree_bdev_flags+0x40e/0x4d0
[  321.590317][ T6662]  ? __pfx_gfs2_fill_super+0x10/0x10
[  321.590341][ T6662]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  321.590369][ T6662]  gfs2_get_tree+0x51/0x1e0
[  321.590392][ T6662]  vfs_get_tree+0x92/0x2b0
[  321.590417][ T6662]  do_new_mount+0x2a2/0xa30
[  321.590445][ T6662]  ? ns_capable+0x8a/0xf0
[  321.590473][ T6662]  ? __pfx_do_new_mount+0x10/0x10
[  321.590498][ T6662]  ? path_mount+0x61c/0xfe0
[  321.590520][ T6662]  ? user_path_at+0x44/0x60
[  321.590543][ T6662]  __se_sys_mount+0x317/0x410
[  321.590572][ T6662]  ? __pfx___se_sys_mount+0x10/0x10
[  321.590601][ T6662]  ? rcu_is_watching+0x15/0xb0
[  321.590629][ T6662]  ? __x64_sys_mount+0x20/0xc0
[  321.590657][ T6662]  do_syscall_64+0xfa/0xfa0
[  321.590682][ T6662]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.590703][ T6662]  ? clear_bhb_loop+0x60/0xb0
[  321.590726][ T6662]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  321.590746][ T6662] RIP: 0033:0x7ff16439038a
[  321.590765][ T6662] 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
[  321.590784][ T6662] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  321.590807][ T6662] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  321.590823][ T6662] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  321.590838][ T6662] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  321.590854][ T6662] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  321.590868][ T6662] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  321.590892][ T6662]  </TASK>
[  321.590987][ T6662] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  321.907486][ T6662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.174676][ T6665] loop1: detected capacity change from 0 to 32768
[  322.192463][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.199935][ T6665] CPU: 1 UID: 0 PID: 6665 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full) 
[  322.199963][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  322.199976][ T6665] Call Trace:
[  322.199985][ T6665]  <TASK>
[  322.199994][ T6665]  dump_stack_lvl+0x189/0x250
[  322.200026][ T6665]  ? __pfx_dump_stack_lvl+0x10/0x10
[  322.200058][ T6665]  ? __pfx__printk+0x10/0x10
[  322.200084][ T6665]  ? kernfs_root+0x1c/0x230
[  322.200105][ T6665]  ? kernfs_path_from_node+0x250/0x290
[  322.200122][ T6665]  ? kernfs_path_from_node+0x2f/0x290
[  322.200142][ T6665]  sysfs_create_dir_ns+0x259/0x280
[  322.200174][ T6665]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  322.200205][ T6665]  ? do_raw_spin_unlock+0x122/0x240
[  322.200229][ T6665]  kobject_add_internal+0x59f/0xb40
[  322.200260][ T6665]  kobject_init_and_add+0x125/0x190
[  322.200289][ T6665]  ? __pfx_kobject_init_and_add+0x10/0x10
[  322.200315][ T6665]  ? __raw_spin_lock_init+0x45/0x100
[  322.200336][ T6665]  ? __init_swait_queue_head+0xa9/0x150
[  322.200359][ T6665]  gfs2_sys_fs_add+0x234/0x450
[  322.200389][ T6665]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  322.200422][ T6665]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  322.200451][ T6665]  gfs2_fill_super+0x13c0/0x20d0
[  322.200482][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.200507][ T6665]  ? sb_set_blocksize+0x104/0x180
[  322.200535][ T6665]  ? setup_bdev_super+0x4c1/0x5b0
[  322.200561][ T6665]  get_tree_bdev_flags+0x40e/0x4d0
[  322.200584][ T6665]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.200607][ T6665]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  322.200637][ T6665]  gfs2_get_tree+0x51/0x1e0
[  322.200661][ T6665]  vfs_get_tree+0x92/0x2b0
[  322.200685][ T6665]  do_new_mount+0x2a2/0xa30
[  322.200712][ T6665]  ? ns_capable+0x8a/0xf0
[  322.200741][ T6665]  ? __pfx_do_new_mount+0x10/0x10
[  322.200766][ T6665]  ? path_mount+0x61c/0xfe0
[  322.200790][ T6665]  ? user_path_at+0x44/0x60
[  322.200812][ T6665]  __se_sys_mount+0x317/0x410
[  322.200843][ T6665]  ? __pfx___se_sys_mount+0x10/0x10
[  322.200871][ T6665]  ? rcu_is_watching+0x15/0xb0
[  322.200900][ T6665]  ? __x64_sys_mount+0x20/0xc0
[  322.200927][ T6665]  do_syscall_64+0xfa/0xfa0
[  322.200952][ T6665]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.200973][ T6665]  ? clear_bhb_loop+0x60/0xb0
[  322.200996][ T6665]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.201017][ T6665] RIP: 0033:0x7ff16439038a
[  322.201036][ T6665] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  322.201063][ T6665] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.201085][ T6665] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  322.201101][ T6665] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  322.201115][ T6665] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  322.201133][ T6665] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  322.201146][ T6665] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  322.201168][ T6665]  </TASK>
[  322.506095][ T6665] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  322.520740][ T6665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  322.615777][ T1301] ieee802154 phy0 wpan0: encryption failed: -22
[  322.623311][ T1301] ieee802154 phy1 wpan1: encryption failed: -22
[  322.808764][ T6668] loop1: detected capacity change from 0 to 32768
[  322.823790][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  322.831392][ T6668] CPU: 0 UID: 0 PID: 6668 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full) 
[  322.831421][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  322.831435][ T6668] Call Trace:
[  322.831444][ T6668]  <TASK>
[  322.831453][ T6668]  dump_stack_lvl+0x189/0x250
[  322.831486][ T6668]  ? __pfx_dump_stack_lvl+0x10/0x10
[  322.831511][ T6668]  ? __pfx__printk+0x10/0x10
[  322.831537][ T6668]  ? kernfs_root+0x1c/0x230
[  322.831559][ T6668]  ? kernfs_path_from_node+0x250/0x290
[  322.831576][ T6668]  ? kernfs_path_from_node+0x2f/0x290
[  322.831596][ T6668]  sysfs_create_dir_ns+0x259/0x280
[  322.831629][ T6668]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  322.831660][ T6668]  ? do_raw_spin_unlock+0x122/0x240
[  322.831684][ T6668]  kobject_add_internal+0x59f/0xb40
[  322.831716][ T6668]  kobject_init_and_add+0x125/0x190
[  322.831754][ T6668]  ? __pfx_kobject_init_and_add+0x10/0x10
[  322.831780][ T6668]  ? __raw_spin_lock_init+0x45/0x100
[  322.831802][ T6668]  ? __init_swait_queue_head+0xa9/0x150
[  322.831824][ T6668]  gfs2_sys_fs_add+0x234/0x450
[  322.831855][ T6668]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  322.831888][ T6668]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  322.831919][ T6668]  gfs2_fill_super+0x13c0/0x20d0
[  322.831950][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.831974][ T6668]  ? sb_set_blocksize+0x104/0x180
[  322.832002][ T6668]  ? setup_bdev_super+0x4c1/0x5b0
[  322.832028][ T6668]  get_tree_bdev_flags+0x40e/0x4d0
[  322.832051][ T6668]  ? __pfx_gfs2_fill_super+0x10/0x10
[  322.832073][ T6668]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  322.832101][ T6668]  gfs2_get_tree+0x51/0x1e0
[  322.832124][ T6668]  vfs_get_tree+0x92/0x2b0
[  322.832148][ T6668]  do_new_mount+0x2a2/0xa30
[  322.832175][ T6668]  ? ns_capable+0x8a/0xf0
[  322.832203][ T6668]  ? __pfx_do_new_mount+0x10/0x10
[  322.832227][ T6668]  ? path_mount+0x61c/0xfe0
[  322.832251][ T6668]  ? user_path_at+0x44/0x60
[  322.832274][ T6668]  __se_sys_mount+0x317/0x410
[  322.832304][ T6668]  ? __pfx___se_sys_mount+0x10/0x10
[  322.832332][ T6668]  ? rcu_is_watching+0x15/0xb0
[  322.832361][ T6668]  ? __x64_sys_mount+0x20/0xc0
[  322.832388][ T6668]  do_syscall_64+0xfa/0xfa0
[  322.832414][ T6668]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.832434][ T6668]  ? clear_bhb_loop+0x60/0xb0
[  322.832457][ T6668]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  322.832478][ T6668] RIP: 0033:0x7ff16439038a
[  322.832497][ T6668] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  322.832516][ T6668] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  322.832539][ T6668] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  322.832555][ T6668] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  322.832570][ T6668] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  322.832584][ T6668] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  322.832599][ T6668] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  322.832622][ T6668]  </TASK>
[  322.832648][ T6668] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  323.148000][ T6668] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/24 09:30:29 executed programs: 201
[  323.419044][ T6671] loop1: detected capacity change from 0 to 32768
[  323.433971][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  323.441837][ T6671] CPU: 0 UID: 0 PID: 6671 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full) 
[  323.441863][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  323.441877][ T6671] Call Trace:
[  323.441885][ T6671]  <TASK>
[  323.441894][ T6671]  dump_stack_lvl+0x189/0x250
[  323.441925][ T6671]  ? __pfx_dump_stack_lvl+0x10/0x10
[  323.441949][ T6671]  ? __pfx__printk+0x10/0x10
[  323.441975][ T6671]  ? kernfs_root+0x1c/0x230
[  323.441998][ T6671]  ? kernfs_path_from_node+0x250/0x290
[  323.442014][ T6671]  ? kernfs_path_from_node+0x2f/0x290
[  323.442035][ T6671]  sysfs_create_dir_ns+0x259/0x280
[  323.442066][ T6671]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  323.442096][ T6671]  ? do_raw_spin_unlock+0x122/0x240
[  323.442121][ T6671]  kobject_add_internal+0x59f/0xb40
[  323.442151][ T6671]  kobject_init_and_add+0x125/0x190
[  323.442179][ T6671]  ? __pfx_kobject_init_and_add+0x10/0x10
[  323.442204][ T6671]  ? __raw_spin_lock_init+0x45/0x100
[  323.442225][ T6671]  ? __init_swait_queue_head+0xa9/0x150
[  323.442247][ T6671]  gfs2_sys_fs_add+0x234/0x450
[  323.442277][ T6671]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  323.442309][ T6671]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  323.442338][ T6671]  gfs2_fill_super+0x13c0/0x20d0
[  323.442369][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.442392][ T6671]  ? sb_set_blocksize+0x104/0x180
[  323.442419][ T6671]  ? setup_bdev_super+0x4c1/0x5b0
[  323.442444][ T6671]  get_tree_bdev_flags+0x40e/0x4d0
[  323.442469][ T6671]  ? __pfx_gfs2_fill_super+0x10/0x10
[  323.442491][ T6671]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  323.442521][ T6671]  gfs2_get_tree+0x51/0x1e0
[  323.442545][ T6671]  vfs_get_tree+0x92/0x2b0
[  323.442570][ T6671]  do_new_mount+0x2a2/0xa30
[  323.442598][ T6671]  ? ns_capable+0x8a/0xf0
[  323.442626][ T6671]  ? __pfx_do_new_mount+0x10/0x10
[  323.442661][ T6671]  ? path_mount+0x61c/0xfe0
[  323.442685][ T6671]  ? user_path_at+0x44/0x60
[  323.442708][ T6671]  __se_sys_mount+0x317/0x410
[  323.442737][ T6671]  ? __pfx___se_sys_mount+0x10/0x10
[  323.442765][ T6671]  ? rcu_is_watching+0x15/0xb0
[  323.442794][ T6671]  ? __x64_sys_mount+0x20/0xc0
[  323.442821][ T6671]  do_syscall_64+0xfa/0xfa0
[  323.442846][ T6671]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.442867][ T6671]  ? clear_bhb_loop+0x60/0xb0
[  323.442890][ T6671]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  323.442908][ T6671] RIP: 0033:0x7ff16439038a
[  323.442928][ T6671] 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
[  323.442947][ T6671] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  323.442970][ T6671] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  323.442985][ T6671] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  323.443001][ T6671] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  323.443016][ T6671] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  323.443030][ T6671] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  323.443054][ T6671]  </TASK>
[  323.443074][ T6671] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  323.758522][ T6671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.028692][ T6674] loop1: detected capacity change from 0 to 32768
[  324.050743][ T6674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.058890][ T6674] CPU: 1 UID: 0 PID: 6674 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full) 
[  324.058917][ T6674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  324.058930][ T6674] Call Trace:
[  324.058938][ T6674]  <TASK>
[  324.058947][ T6674]  dump_stack_lvl+0x189/0x250
[  324.058977][ T6674]  ? __pfx_dump_stack_lvl+0x10/0x10
[  324.059001][ T6674]  ? __pfx__printk+0x10/0x10
[  324.059025][ T6674]  ? kernfs_root+0x1c/0x230
[  324.059046][ T6674]  ? kernfs_path_from_node+0x250/0x290
[  324.059063][ T6674]  ? kernfs_path_from_node+0x2f/0x290
[  324.059082][ T6674]  sysfs_create_dir_ns+0x259/0x280
[  324.059112][ T6674]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  324.059141][ T6674]  ? do_raw_spin_unlock+0x122/0x240
[  324.059164][ T6674]  kobject_add_internal+0x59f/0xb40
[  324.059194][ T6674]  kobject_init_and_add+0x125/0x190
[  324.059238][ T6674]  ? __pfx_kobject_init_and_add+0x10/0x10
[  324.059262][ T6674]  ? __raw_spin_lock_init+0x45/0x100
[  324.059283][ T6674]  ? __init_swait_queue_head+0xa9/0x150
[  324.059303][ T6674]  gfs2_sys_fs_add+0x234/0x450
[  324.059333][ T6674]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  324.059363][ T6674]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  324.059392][ T6674]  gfs2_fill_super+0x13c0/0x20d0
[  324.059421][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.059444][ T6674]  ? sb_set_blocksize+0x104/0x180
[  324.059470][ T6674]  ? setup_bdev_super+0x4c1/0x5b0
[  324.059494][ T6674]  get_tree_bdev_flags+0x40e/0x4d0
[  324.059523][ T6674]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.059550][ T6674]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  324.059578][ T6674]  gfs2_get_tree+0x51/0x1e0
[  324.059600][ T6674]  vfs_get_tree+0x92/0x2b0
[  324.059625][ T6674]  do_new_mount+0x2a2/0xa30
[  324.059651][ T6674]  ? ns_capable+0x8a/0xf0
[  324.059679][ T6674]  ? __pfx_do_new_mount+0x10/0x10
[  324.059703][ T6674]  ? path_mount+0x61c/0xfe0
[  324.059725][ T6674]  ? user_path_at+0x44/0x60
[  324.059747][ T6674]  __se_sys_mount+0x317/0x410
[  324.059775][ T6674]  ? __pfx___se_sys_mount+0x10/0x10
[  324.059803][ T6674]  ? rcu_is_watching+0x15/0xb0
[  324.059830][ T6674]  ? __x64_sys_mount+0x20/0xc0
[  324.059862][ T6674]  do_syscall_64+0xfa/0xfa0
[  324.059886][ T6674]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.059906][ T6674]  ? clear_bhb_loop+0x60/0xb0
[  324.059927][ T6674]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.059946][ T6674] RIP: 0033:0x7ff16439038a
[  324.059964][ T6674] 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
[  324.059982][ T6674] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.060004][ T6674] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  324.060019][ T6674] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  324.060034][ T6674] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  324.060048][ T6674] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  324.060061][ T6674] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  324.060084][ T6674]  </TASK>
[  324.060125][ T6674] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.375696][ T6674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  324.640665][ T6677] loop1: detected capacity change from 0 to 32768
[  324.652919][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  324.660368][ T6677] CPU: 1 UID: 0 PID: 6677 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full) 
[  324.660394][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  324.660408][ T6677] Call Trace:
[  324.660416][ T6677]  <TASK>
[  324.660425][ T6677]  dump_stack_lvl+0x189/0x250
[  324.660455][ T6677]  ? __pfx_dump_stack_lvl+0x10/0x10
[  324.660479][ T6677]  ? __pfx__printk+0x10/0x10
[  324.660505][ T6677]  ? kernfs_root+0x1c/0x230
[  324.660527][ T6677]  ? kernfs_path_from_node+0x250/0x290
[  324.660543][ T6677]  ? kernfs_path_from_node+0x2f/0x290
[  324.660563][ T6677]  sysfs_create_dir_ns+0x259/0x280
[  324.660600][ T6677]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  324.660629][ T6677]  ? do_raw_spin_unlock+0x122/0x240
[  324.660651][ T6677]  kobject_add_internal+0x59f/0xb40
[  324.660682][ T6677]  kobject_init_and_add+0x125/0x190
[  324.660709][ T6677]  ? __pfx_kobject_init_and_add+0x10/0x10
[  324.660733][ T6677]  ? __raw_spin_lock_init+0x45/0x100
[  324.660754][ T6677]  ? __init_swait_queue_head+0xa9/0x150
[  324.660775][ T6677]  gfs2_sys_fs_add+0x234/0x450
[  324.660806][ T6677]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  324.660838][ T6677]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  324.660867][ T6677]  gfs2_fill_super+0x13c0/0x20d0
[  324.660897][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.660922][ T6677]  ? sb_set_blocksize+0x104/0x180
[  324.660948][ T6677]  ? setup_bdev_super+0x4c1/0x5b0
[  324.660974][ T6677]  get_tree_bdev_flags+0x40e/0x4d0
[  324.660999][ T6677]  ? __pfx_gfs2_fill_super+0x10/0x10
[  324.661021][ T6677]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  324.661051][ T6677]  gfs2_get_tree+0x51/0x1e0
[  324.661074][ T6677]  vfs_get_tree+0x92/0x2b0
[  324.661099][ T6677]  do_new_mount+0x2a2/0xa30
[  324.661131][ T6677]  ? ns_capable+0x8a/0xf0
[  324.661159][ T6677]  ? __pfx_do_new_mount+0x10/0x10
[  324.661183][ T6677]  ? path_mount+0x61c/0xfe0
[  324.661206][ T6677]  ? user_path_at+0x44/0x60
[  324.661229][ T6677]  __se_sys_mount+0x317/0x410
[  324.661257][ T6677]  ? __pfx___se_sys_mount+0x10/0x10
[  324.661285][ T6677]  ? rcu_is_watching+0x15/0xb0
[  324.661314][ T6677]  ? __x64_sys_mount+0x20/0xc0
[  324.661341][ T6677]  do_syscall_64+0xfa/0xfa0
[  324.661367][ T6677]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.661387][ T6677]  ? clear_bhb_loop+0x60/0xb0
[  324.661410][ T6677]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  324.661430][ T6677] RIP: 0033:0x7ff16439038a
[  324.661448][ T6677] 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
[  324.661466][ T6677] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  324.661490][ T6677] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  324.661505][ T6677] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  324.661521][ T6677] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  324.661536][ T6677] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  324.661550][ T6677] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  324.661582][ T6677]  </TASK>
[  324.691369][   T51] Bluetooth: hci1: command 0x0406 tx timeout
[  324.696746][ T6677] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  324.982453][ T6677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.252747][ T6680] loop1: detected capacity change from 0 to 32768
[  325.274562][ T6680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.282094][ T6680] CPU: 1 UID: 0 PID: 6680 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full) 
[  325.282122][ T6680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  325.282136][ T6680] Call Trace:
[  325.282145][ T6680]  <TASK>
[  325.282153][ T6680]  dump_stack_lvl+0x189/0x250
[  325.282186][ T6680]  ? __pfx_dump_stack_lvl+0x10/0x10
[  325.282211][ T6680]  ? __pfx__printk+0x10/0x10
[  325.282238][ T6680]  ? kernfs_root+0x1c/0x230
[  325.282259][ T6680]  ? kernfs_path_from_node+0x250/0x290
[  325.282277][ T6680]  ? kernfs_path_from_node+0x2f/0x290
[  325.282298][ T6680]  sysfs_create_dir_ns+0x259/0x280
[  325.282329][ T6680]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  325.282361][ T6680]  ? do_raw_spin_unlock+0x122/0x240
[  325.282385][ T6680]  kobject_add_internal+0x59f/0xb40
[  325.282417][ T6680]  kobject_init_and_add+0x125/0x190
[  325.282446][ T6680]  ? __pfx_kobject_init_and_add+0x10/0x10
[  325.282472][ T6680]  ? __raw_spin_lock_init+0x45/0x100
[  325.282493][ T6680]  ? __init_swait_queue_head+0xa9/0x150
[  325.282516][ T6680]  gfs2_sys_fs_add+0x234/0x450
[  325.282545][ T6680]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  325.282577][ T6680]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  325.282607][ T6680]  gfs2_fill_super+0x13c0/0x20d0
[  325.282638][ T6680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.282662][ T6680]  ? sb_set_blocksize+0x104/0x180
[  325.282691][ T6680]  ? setup_bdev_super+0x4c1/0x5b0
[  325.282716][ T6680]  get_tree_bdev_flags+0x40e/0x4d0
[  325.282741][ T6680]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.282764][ T6680]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  325.282806][ T6680]  gfs2_get_tree+0x51/0x1e0
[  325.282829][ T6680]  vfs_get_tree+0x92/0x2b0
[  325.282855][ T6680]  do_new_mount+0x2a2/0xa30
[  325.282883][ T6680]  ? ns_capable+0x8a/0xf0
[  325.282912][ T6680]  ? __pfx_do_new_mount+0x10/0x10
[  325.282938][ T6680]  ? path_mount+0x61c/0xfe0
[  325.282961][ T6680]  ? user_path_at+0x44/0x60
[  325.282985][ T6680]  __se_sys_mount+0x317/0x410
[  325.283015][ T6680]  ? __pfx___se_sys_mount+0x10/0x10
[  325.283044][ T6680]  ? rcu_is_watching+0x15/0xb0
[  325.283071][ T6680]  ? __x64_sys_mount+0x20/0xc0
[  325.283098][ T6680]  do_syscall_64+0xfa/0xfa0
[  325.283123][ T6680]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.283142][ T6680]  ? clear_bhb_loop+0x60/0xb0
[  325.283162][ T6680]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.283181][ T6680] RIP: 0033:0x7ff16439038a
[  325.283198][ T6680] 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
[  325.283217][ T6680] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.283239][ T6680] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  325.283255][ T6680] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  325.283270][ T6680] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  325.283285][ T6680] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  325.283299][ T6680] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  325.283323][ T6680]  </TASK>
[  325.283345][ T6680] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  325.599572][ T6680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  325.869193][ T6683] loop1: detected capacity change from 0 to 32768
[  325.881939][ T6683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  325.889387][ T6683] CPU: 1 UID: 0 PID: 6683 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full) 
[  325.889415][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  325.889429][ T6683] Call Trace:
[  325.889437][ T6683]  <TASK>
[  325.889446][ T6683]  dump_stack_lvl+0x189/0x250
[  325.889487][ T6683]  ? __pfx_dump_stack_lvl+0x10/0x10
[  325.889512][ T6683]  ? __pfx__printk+0x10/0x10
[  325.889544][ T6683]  ? kernfs_root+0x1c/0x230
[  325.889565][ T6683]  ? kernfs_path_from_node+0x250/0x290
[  325.889583][ T6683]  ? kernfs_path_from_node+0x2f/0x290
[  325.889603][ T6683]  sysfs_create_dir_ns+0x259/0x280
[  325.889633][ T6683]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  325.889664][ T6683]  ? do_raw_spin_unlock+0x122/0x240
[  325.889688][ T6683]  kobject_add_internal+0x59f/0xb40
[  325.889719][ T6683]  kobject_init_and_add+0x125/0x190
[  325.889747][ T6683]  ? __pfx_kobject_init_and_add+0x10/0x10
[  325.889774][ T6683]  ? __raw_spin_lock_init+0x45/0x100
[  325.889795][ T6683]  ? __init_swait_queue_head+0xa9/0x150
[  325.889818][ T6683]  gfs2_sys_fs_add+0x234/0x450
[  325.889848][ T6683]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  325.889880][ T6683]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  325.889910][ T6683]  gfs2_fill_super+0x13c0/0x20d0
[  325.889941][ T6683]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.889965][ T6683]  ? sb_set_blocksize+0x104/0x180
[  325.889993][ T6683]  ? setup_bdev_super+0x4c1/0x5b0
[  325.890019][ T6683]  get_tree_bdev_flags+0x40e/0x4d0
[  325.890043][ T6683]  ? __pfx_gfs2_fill_super+0x10/0x10
[  325.890065][ T6683]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  325.890094][ T6683]  gfs2_get_tree+0x51/0x1e0
[  325.890117][ T6683]  vfs_get_tree+0x92/0x2b0
[  325.890141][ T6683]  do_new_mount+0x2a2/0xa30
[  325.890170][ T6683]  ? ns_capable+0x8a/0xf0
[  325.890199][ T6683]  ? __pfx_do_new_mount+0x10/0x10
[  325.890224][ T6683]  ? path_mount+0x61c/0xfe0
[  325.890248][ T6683]  ? user_path_at+0x44/0x60
[  325.890271][ T6683]  __se_sys_mount+0x317/0x410
[  325.890300][ T6683]  ? __pfx___se_sys_mount+0x10/0x10
[  325.890329][ T6683]  ? rcu_is_watching+0x15/0xb0
[  325.890358][ T6683]  ? __x64_sys_mount+0x20/0xc0
[  325.890385][ T6683]  do_syscall_64+0xfa/0xfa0
[  325.890410][ T6683]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.890431][ T6683]  ? clear_bhb_loop+0x60/0xb0
[  325.890453][ T6683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  325.890473][ T6683] RIP: 0033:0x7ff16439038a
[  325.890503][ T6683] 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
[  325.890522][ T6683] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  325.890545][ T6683] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  325.890561][ T6683] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  325.890576][ T6683] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  325.890591][ T6683] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  325.890606][ T6683] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  325.890630][ T6683]  </TASK>
[  325.890652][ T6683] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.205864][ T6683] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  326.472458][ T6686] loop1: detected capacity change from 0 to 32768
[  326.490317][ T6686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  326.498025][ T6686] CPU: 1 UID: 0 PID: 6686 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full) 
[  326.498053][ T6686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  326.498067][ T6686] Call Trace:
[  326.498075][ T6686]  <TASK>
[  326.498084][ T6686]  dump_stack_lvl+0x189/0x250
[  326.498115][ T6686]  ? __pfx_dump_stack_lvl+0x10/0x10
[  326.498139][ T6686]  ? __pfx__printk+0x10/0x10
[  326.498167][ T6686]  ? kernfs_root+0x1c/0x230
[  326.498188][ T6686]  ? kernfs_path_from_node+0x250/0x290
[  326.498206][ T6686]  ? kernfs_path_from_node+0x2f/0x290
[  326.498226][ T6686]  sysfs_create_dir_ns+0x259/0x280
[  326.498258][ T6686]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  326.498289][ T6686]  ? do_raw_spin_unlock+0x122/0x240
[  326.498313][ T6686]  kobject_add_internal+0x59f/0xb40
[  326.498344][ T6686]  kobject_init_and_add+0x125/0x190
[  326.498372][ T6686]  ? __pfx_kobject_init_and_add+0x10/0x10
[  326.498398][ T6686]  ? __raw_spin_lock_init+0x45/0x100
[  326.498419][ T6686]  ? __init_swait_queue_head+0xa9/0x150
[  326.498441][ T6686]  gfs2_sys_fs_add+0x234/0x450
[  326.498472][ T6686]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  326.498505][ T6686]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  326.498534][ T6686]  gfs2_fill_super+0x13c0/0x20d0
[  326.498566][ T6686]  ? __pfx_gfs2_fill_super+0x10/0x10
[  326.498590][ T6686]  ? sb_set_blocksize+0x104/0x180
[  326.498619][ T6686]  ? setup_bdev_super+0x4c1/0x5b0
[  326.498645][ T6686]  get_tree_bdev_flags+0x40e/0x4d0
[  326.498678][ T6686]  ? __pfx_gfs2_fill_super+0x10/0x10
[  326.498702][ T6686]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  326.498732][ T6686]  gfs2_get_tree+0x51/0x1e0
[  326.498755][ T6686]  vfs_get_tree+0x92/0x2b0
[  326.498779][ T6686]  do_new_mount+0x2a2/0xa30
[  326.498807][ T6686]  ? ns_capable+0x8a/0xf0
[  326.498836][ T6686]  ? __pfx_do_new_mount+0x10/0x10
[  326.498861][ T6686]  ? path_mount+0x61c/0xfe0
[  326.498885][ T6686]  ? user_path_at+0x44/0x60
[  326.498908][ T6686]  __se_sys_mount+0x317/0x410
[  326.498937][ T6686]  ? __pfx___se_sys_mount+0x10/0x10
[  326.498983][ T6686]  ? rcu_is_watching+0x15/0xb0
[  326.499010][ T6686]  ? __x64_sys_mount+0x20/0xc0
[  326.499037][ T6686]  do_syscall_64+0xfa/0xfa0
[  326.499062][ T6686]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.499083][ T6686]  ? clear_bhb_loop+0x60/0xb0
[  326.499106][ T6686]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.499126][ T6686] RIP: 0033:0x7ff16439038a
[  326.499145][ T6686] 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
[  326.499163][ T6686] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  326.499187][ T6686] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  326.499202][ T6686] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  326.499218][ T6686] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  326.499232][ T6686] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  326.499246][ T6686] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  326.499270][ T6686]  </TASK>
[  326.499291][ T6686] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  326.814125][ T6686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  327.080898][ T6689] loop1: detected capacity change from 0 to 32768
[  327.102661][ T6689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  327.110137][ T6689] CPU: 0 UID: 0 PID: 6689 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full) 
[  327.110163][ T6689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  327.110176][ T6689] Call Trace:
[  327.110183][ T6689]  <TASK>
[  327.110191][ T6689]  dump_stack_lvl+0x189/0x250
[  327.110221][ T6689]  ? __pfx_dump_stack_lvl+0x10/0x10
[  327.110245][ T6689]  ? __pfx__printk+0x10/0x10
[  327.110270][ T6689]  ? kernfs_root+0x1c/0x230
[  327.110289][ T6689]  ? kernfs_path_from_node+0x250/0x290
[  327.110306][ T6689]  ? kernfs_path_from_node+0x2f/0x290
[  327.110325][ T6689]  sysfs_create_dir_ns+0x259/0x280
[  327.110354][ T6689]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  327.110384][ T6689]  ? do_raw_spin_unlock+0x122/0x240
[  327.110406][ T6689]  kobject_add_internal+0x59f/0xb40
[  327.110434][ T6689]  kobject_init_and_add+0x125/0x190
[  327.110461][ T6689]  ? __pfx_kobject_init_and_add+0x10/0x10
[  327.110485][ T6689]  ? __raw_spin_lock_init+0x45/0x100
[  327.110506][ T6689]  ? __init_swait_queue_head+0xa9/0x150
[  327.110528][ T6689]  gfs2_sys_fs_add+0x234/0x450
[  327.110556][ T6689]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  327.110586][ T6689]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  327.110623][ T6689]  gfs2_fill_super+0x13c0/0x20d0
[  327.110654][ T6689]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.110678][ T6689]  ? sb_set_blocksize+0x104/0x180
[  327.110705][ T6689]  ? setup_bdev_super+0x4c1/0x5b0
[  327.110729][ T6689]  get_tree_bdev_flags+0x40e/0x4d0
[  327.110752][ T6689]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.110773][ T6689]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  327.110800][ T6689]  gfs2_get_tree+0x51/0x1e0
[  327.110821][ T6689]  vfs_get_tree+0x92/0x2b0
[  327.110845][ T6689]  do_new_mount+0x2a2/0xa30
[  327.110872][ T6689]  ? ns_capable+0x8a/0xf0
[  327.110901][ T6689]  ? __pfx_do_new_mount+0x10/0x10
[  327.110926][ T6689]  ? path_mount+0x61c/0xfe0
[  327.110950][ T6689]  ? user_path_at+0x44/0x60
[  327.110982][ T6689]  __se_sys_mount+0x317/0x410
[  327.111013][ T6689]  ? __pfx___se_sys_mount+0x10/0x10
[  327.111042][ T6689]  ? rcu_is_watching+0x15/0xb0
[  327.111072][ T6689]  ? __x64_sys_mount+0x20/0xc0
[  327.111100][ T6689]  do_syscall_64+0xfa/0xfa0
[  327.111128][ T6689]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.111149][ T6689]  ? clear_bhb_loop+0x60/0xb0
[  327.111171][ T6689]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.111198][ T6689] RIP: 0033:0x7ff16439038a
[  327.111216][ T6689] 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
[  327.111233][ T6689] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.111255][ T6689] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  327.111271][ T6689] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  327.111286][ T6689] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  327.111301][ T6689] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  327.111315][ T6689] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  327.111339][ T6689]  </TASK>
[  327.410418][ T6689] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  327.424480][ T6689] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  327.684243][ T6692] loop1: detected capacity change from 0 to 32768
[  327.699539][ T6692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  327.707091][ T6692] CPU: 0 UID: 0 PID: 6692 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full) 
[  327.707117][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  327.707129][ T6692] Call Trace:
[  327.707137][ T6692]  <TASK>
[  327.707146][ T6692]  dump_stack_lvl+0x189/0x250
[  327.707178][ T6692]  ? __pfx_dump_stack_lvl+0x10/0x10
[  327.707202][ T6692]  ? __pfx__printk+0x10/0x10
[  327.707229][ T6692]  ? kernfs_root+0x1c/0x230
[  327.707250][ T6692]  ? kernfs_path_from_node+0x250/0x290
[  327.707268][ T6692]  ? kernfs_path_from_node+0x2f/0x290
[  327.707288][ T6692]  sysfs_create_dir_ns+0x259/0x280
[  327.707320][ T6692]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  327.707362][ T6692]  ? do_raw_spin_unlock+0x122/0x240
[  327.707386][ T6692]  kobject_add_internal+0x59f/0xb40
[  327.707417][ T6692]  kobject_init_and_add+0x125/0x190
[  327.707445][ T6692]  ? __pfx_kobject_init_and_add+0x10/0x10
[  327.707471][ T6692]  ? __raw_spin_lock_init+0x45/0x100
[  327.707493][ T6692]  ? __init_swait_queue_head+0xa9/0x150
[  327.707514][ T6692]  gfs2_sys_fs_add+0x234/0x450
[  327.707544][ T6692]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  327.707576][ T6692]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  327.707606][ T6692]  gfs2_fill_super+0x13c0/0x20d0
[  327.707637][ T6692]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.707661][ T6692]  ? sb_set_blocksize+0x104/0x180
[  327.707691][ T6692]  ? setup_bdev_super+0x4c1/0x5b0
[  327.707717][ T6692]  get_tree_bdev_flags+0x40e/0x4d0
[  327.707741][ T6692]  ? __pfx_gfs2_fill_super+0x10/0x10
[  327.707764][ T6692]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  327.707794][ T6692]  gfs2_get_tree+0x51/0x1e0
[  327.707817][ T6692]  vfs_get_tree+0x92/0x2b0
[  327.707842][ T6692]  do_new_mount+0x2a2/0xa30
[  327.707869][ T6692]  ? ns_capable+0x8a/0xf0
[  327.707897][ T6692]  ? __pfx_do_new_mount+0x10/0x10
[  327.707922][ T6692]  ? path_mount+0x61c/0xfe0
[  327.707945][ T6692]  ? user_path_at+0x44/0x60
[  327.707969][ T6692]  __se_sys_mount+0x317/0x410
[  327.707999][ T6692]  ? __pfx___se_sys_mount+0x10/0x10
[  327.708028][ T6692]  ? rcu_is_watching+0x15/0xb0
[  327.708056][ T6692]  ? __x64_sys_mount+0x20/0xc0
[  327.708085][ T6692]  do_syscall_64+0xfa/0xfa0
[  327.708110][ T6692]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.708130][ T6692]  ? clear_bhb_loop+0x60/0xb0
[  327.708153][ T6692]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  327.708173][ T6692] RIP: 0033:0x7ff16439038a
[  327.708191][ T6692] 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
[  327.708210][ T6692] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  327.708233][ T6692] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  327.708249][ T6692] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  327.708264][ T6692] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  327.708279][ T6692] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  327.708293][ T6692] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  327.708316][ T6692]  </TASK>
[  327.708367][ T6692] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  328.026514][ T6692] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  328.298265][ T6695] loop1: detected capacity change from 0 to 32768
[  328.310150][ T6695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  328.317795][ T6695] CPU: 1 UID: 0 PID: 6695 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full) 
[  328.317820][ T6695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  328.317834][ T6695] Call Trace:
[  328.317842][ T6695]  <TASK>
[  328.317851][ T6695]  dump_stack_lvl+0x189/0x250
[  328.317884][ T6695]  ? __pfx_dump_stack_lvl+0x10/0x10
[  328.317909][ T6695]  ? __pfx__printk+0x10/0x10
[  328.317936][ T6695]  ? kernfs_root+0x1c/0x230
[  328.317958][ T6695]  ? kernfs_path_from_node+0x250/0x290
[  328.317977][ T6695]  ? kernfs_path_from_node+0x2f/0x290
[  328.317998][ T6695]  sysfs_create_dir_ns+0x259/0x280
[  328.318029][ T6695]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  328.318061][ T6695]  ? do_raw_spin_unlock+0x122/0x240
[  328.318085][ T6695]  kobject_add_internal+0x59f/0xb40
[  328.318117][ T6695]  kobject_init_and_add+0x125/0x190
[  328.318146][ T6695]  ? __pfx_kobject_init_and_add+0x10/0x10
[  328.318173][ T6695]  ? __raw_spin_lock_init+0x45/0x100
[  328.318195][ T6695]  ? __init_swait_queue_head+0xa9/0x150
[  328.318226][ T6695]  gfs2_sys_fs_add+0x234/0x450
[  328.318257][ T6695]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  328.318289][ T6695]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  328.318317][ T6695]  gfs2_fill_super+0x13c0/0x20d0
[  328.318346][ T6695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  328.318371][ T6695]  ? sb_set_blocksize+0x104/0x180
[  328.318400][ T6695]  ? setup_bdev_super+0x4c1/0x5b0
[  328.318426][ T6695]  get_tree_bdev_flags+0x40e/0x4d0
[  328.318450][ T6695]  ? __pfx_gfs2_fill_super+0x10/0x10
[  328.318473][ T6695]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  328.318504][ T6695]  gfs2_get_tree+0x51/0x1e0
[  328.318528][ T6695]  vfs_get_tree+0x92/0x2b0
[  328.318553][ T6695]  do_new_mount+0x2a2/0xa30
[  328.318582][ T6695]  ? ns_capable+0x8a/0xf0
[  328.318611][ T6695]  ? __pfx_do_new_mount+0x10/0x10
[  328.318635][ T6695]  ? path_mount+0x61c/0xfe0
[  328.318657][ T6695]  ? user_path_at+0x44/0x60
[  328.318677][ T6695]  __se_sys_mount+0x317/0x410
[  328.318704][ T6695]  ? __pfx___se_sys_mount+0x10/0x10
[  328.318731][ T6695]  ? rcu_is_watching+0x15/0xb0
[  328.318758][ T6695]  ? __x64_sys_mount+0x20/0xc0
[  328.318783][ T6695]  do_syscall_64+0xfa/0xfa0
[  328.318806][ T6695]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.318825][ T6695]  ? clear_bhb_loop+0x60/0xb0
[  328.318847][ T6695]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.318866][ T6695] RIP: 0033:0x7ff16439038a
[  328.318883][ T6695] 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
[  328.318905][ T6695] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  328.318926][ T6695] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  328.318940][ T6695] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  328.318955][ T6695] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  328.318969][ T6695] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  328.318983][ T6695] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  328.319006][ T6695]  </TASK>
[  328.319026][ T6695] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  328.634560][ T6695] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/24 09:30:35 executed programs: 210
[  328.913396][ T6698] loop1: detected capacity change from 0 to 32768
[  328.922271][ T6698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  328.929703][ T6698] CPU: 1 UID: 0 PID: 6698 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT(full) 
[  328.929728][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  328.929741][ T6698] Call Trace:
[  328.929749][ T6698]  <TASK>
[  328.929757][ T6698]  dump_stack_lvl+0x189/0x250
[  328.929788][ T6698]  ? __pfx_dump_stack_lvl+0x10/0x10
[  328.929813][ T6698]  ? __pfx__printk+0x10/0x10
[  328.929839][ T6698]  ? kernfs_root+0x1c/0x230
[  328.929860][ T6698]  ? kernfs_path_from_node+0x250/0x290
[  328.929879][ T6698]  ? kernfs_path_from_node+0x2f/0x290
[  328.929899][ T6698]  sysfs_create_dir_ns+0x259/0x280
[  328.929928][ T6698]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  328.929960][ T6698]  ? do_raw_spin_unlock+0x122/0x240
[  328.929983][ T6698]  kobject_add_internal+0x59f/0xb40
[  328.930013][ T6698]  kobject_init_and_add+0x125/0x190
[  328.930041][ T6698]  ? __pfx_kobject_init_and_add+0x10/0x10
[  328.930068][ T6698]  ? __raw_spin_lock_init+0x45/0x100
[  328.930088][ T6698]  ? __init_swait_queue_head+0xa9/0x150
[  328.930110][ T6698]  gfs2_sys_fs_add+0x234/0x450
[  328.930139][ T6698]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  328.930172][ T6698]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  328.930201][ T6698]  gfs2_fill_super+0x13c0/0x20d0
[  328.930232][ T6698]  ? __pfx_gfs2_fill_super+0x10/0x10
[  328.930257][ T6698]  ? sb_set_blocksize+0x104/0x180
[  328.930284][ T6698]  ? setup_bdev_super+0x4c1/0x5b0
[  328.930310][ T6698]  get_tree_bdev_flags+0x40e/0x4d0
[  328.930334][ T6698]  ? __pfx_gfs2_fill_super+0x10/0x10
[  328.930356][ T6698]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  328.930386][ T6698]  gfs2_get_tree+0x51/0x1e0
[  328.930410][ T6698]  vfs_get_tree+0x92/0x2b0
[  328.930435][ T6698]  do_new_mount+0x2a2/0xa30
[  328.930464][ T6698]  ? ns_capable+0x8a/0xf0
[  328.930494][ T6698]  ? __pfx_do_new_mount+0x10/0x10
[  328.930528][ T6698]  ? path_mount+0x61c/0xfe0
[  328.930551][ T6698]  ? user_path_at+0x44/0x60
[  328.930575][ T6698]  __se_sys_mount+0x317/0x410
[  328.930604][ T6698]  ? __pfx___se_sys_mount+0x10/0x10
[  328.930632][ T6698]  ? rcu_is_watching+0x15/0xb0
[  328.930662][ T6698]  ? __x64_sys_mount+0x20/0xc0
[  328.930689][ T6698]  do_syscall_64+0xfa/0xfa0
[  328.930714][ T6698]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.930733][ T6698]  ? clear_bhb_loop+0x60/0xb0
[  328.930753][ T6698]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  328.930772][ T6698] RIP: 0033:0x7ff16439038a
[  328.930790][ T6698] 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
[  328.930807][ T6698] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  328.930828][ T6698] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  328.930842][ T6698] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  328.930857][ T6698] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  328.930872][ T6698] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  328.930885][ T6698] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  328.930909][ T6698]  </TASK>
[  328.930929][ T6698] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.246422][ T6698] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  329.511823][ T6701] loop1: detected capacity change from 0 to 32768
[  329.523672][ T6701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  329.531221][ T6701] CPU: 1 UID: 0 PID: 6701 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
[  329.531249][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  329.531263][ T6701] Call Trace:
[  329.531271][ T6701]  <TASK>
[  329.531279][ T6701]  dump_stack_lvl+0x189/0x250
[  329.531312][ T6701]  ? __pfx_dump_stack_lvl+0x10/0x10
[  329.531338][ T6701]  ? __pfx__printk+0x10/0x10
[  329.531365][ T6701]  ? kernfs_root+0x1c/0x230
[  329.531385][ T6701]  ? kernfs_path_from_node+0x250/0x290
[  329.531403][ T6701]  ? kernfs_path_from_node+0x2f/0x290
[  329.531423][ T6701]  sysfs_create_dir_ns+0x259/0x280
[  329.531453][ T6701]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  329.531485][ T6701]  ? do_raw_spin_unlock+0x122/0x240
[  329.531509][ T6701]  kobject_add_internal+0x59f/0xb40
[  329.531540][ T6701]  kobject_init_and_add+0x125/0x190
[  329.531569][ T6701]  ? __pfx_kobject_init_and_add+0x10/0x10
[  329.531595][ T6701]  ? __raw_spin_lock_init+0x45/0x100
[  329.531618][ T6701]  ? __init_swait_queue_head+0xa9/0x150
[  329.531641][ T6701]  gfs2_sys_fs_add+0x234/0x450
[  329.531672][ T6701]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  329.531706][ T6701]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  329.531737][ T6701]  gfs2_fill_super+0x13c0/0x20d0
[  329.531769][ T6701]  ? __pfx_gfs2_fill_super+0x10/0x10
[  329.531793][ T6701]  ? sb_set_blocksize+0x104/0x180
[  329.531823][ T6701]  ? setup_bdev_super+0x4c1/0x5b0
[  329.531850][ T6701]  get_tree_bdev_flags+0x40e/0x4d0
[  329.531874][ T6701]  ? __pfx_gfs2_fill_super+0x10/0x10
[  329.531897][ T6701]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  329.531924][ T6701]  gfs2_get_tree+0x51/0x1e0
[  329.531946][ T6701]  vfs_get_tree+0x92/0x2b0
[  329.531971][ T6701]  do_new_mount+0x2a2/0xa30
[  329.531998][ T6701]  ? ns_capable+0x8a/0xf0
[  329.532027][ T6701]  ? __pfx_do_new_mount+0x10/0x10
[  329.532053][ T6701]  ? path_mount+0x61c/0xfe0
[  329.532076][ T6701]  ? user_path_at+0x44/0x60
[  329.532099][ T6701]  __se_sys_mount+0x317/0x410
[  329.532129][ T6701]  ? __pfx___se_sys_mount+0x10/0x10
[  329.532167][ T6701]  ? rcu_is_watching+0x15/0xb0
[  329.532197][ T6701]  ? __x64_sys_mount+0x20/0xc0
[  329.532225][ T6701]  do_syscall_64+0xfa/0xfa0
[  329.532250][ T6701]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  329.532271][ T6701]  ? clear_bhb_loop+0x60/0xb0
[  329.532294][ T6701]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  329.532314][ T6701] RIP: 0033:0x7ff16439038a
[  329.532334][ T6701] 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
[  329.532353][ T6701] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  329.532377][ T6701] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  329.532394][ T6701] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  329.532410][ T6701] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  329.532425][ T6701] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  329.532439][ T6701] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  329.532464][ T6701]  </TASK>
[  329.532486][ T6701] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.847108][ T6701] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.110152][ T6704] loop1: detected capacity change from 0 to 32768
[  330.122138][ T6704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.129658][ T6704] CPU: 1 UID: 0 PID: 6704 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT(full) 
[  330.129689][ T6704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  330.129704][ T6704] Call Trace:
[  330.129712][ T6704]  <TASK>
[  330.129720][ T6704]  dump_stack_lvl+0x189/0x250
[  330.129754][ T6704]  ? __pfx_dump_stack_lvl+0x10/0x10
[  330.129778][ T6704]  ? __pfx__printk+0x10/0x10
[  330.129807][ T6704]  ? kernfs_root+0x1c/0x230
[  330.129829][ T6704]  ? kernfs_path_from_node+0x250/0x290
[  330.129848][ T6704]  ? kernfs_path_from_node+0x2f/0x290
[  330.129869][ T6704]  sysfs_create_dir_ns+0x259/0x280
[  330.129902][ T6704]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  330.129934][ T6704]  ? do_raw_spin_unlock+0x122/0x240
[  330.129958][ T6704]  kobject_add_internal+0x59f/0xb40
[  330.129991][ T6704]  kobject_init_and_add+0x125/0x190
[  330.130020][ T6704]  ? __pfx_kobject_init_and_add+0x10/0x10
[  330.130047][ T6704]  ? __raw_spin_lock_init+0x45/0x100
[  330.130070][ T6704]  ? __init_swait_queue_head+0xa9/0x150
[  330.130094][ T6704]  gfs2_sys_fs_add+0x234/0x450
[  330.130125][ T6704]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  330.130159][ T6704]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  330.130191][ T6704]  gfs2_fill_super+0x13c0/0x20d0
[  330.130224][ T6704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.130249][ T6704]  ? sb_set_blocksize+0x104/0x180
[  330.130278][ T6704]  ? setup_bdev_super+0x4c1/0x5b0
[  330.130305][ T6704]  get_tree_bdev_flags+0x40e/0x4d0
[  330.130330][ T6704]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.130353][ T6704]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  330.130395][ T6704]  gfs2_get_tree+0x51/0x1e0
[  330.130420][ T6704]  vfs_get_tree+0x92/0x2b0
[  330.130446][ T6704]  do_new_mount+0x2a2/0xa30
[  330.130475][ T6704]  ? ns_capable+0x8a/0xf0
[  330.130504][ T6704]  ? __pfx_do_new_mount+0x10/0x10
[  330.130531][ T6704]  ? path_mount+0x61c/0xfe0
[  330.130556][ T6704]  ? user_path_at+0x44/0x60
[  330.130580][ T6704]  __se_sys_mount+0x317/0x410
[  330.130608][ T6704]  ? __pfx___se_sys_mount+0x10/0x10
[  330.130638][ T6704]  ? rcu_is_watching+0x15/0xb0
[  330.130667][ T6704]  ? __x64_sys_mount+0x20/0xc0
[  330.130695][ T6704]  do_syscall_64+0xfa/0xfa0
[  330.130722][ T6704]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.130744][ T6704]  ? clear_bhb_loop+0x60/0xb0
[  330.130767][ T6704]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.130788][ T6704] RIP: 0033:0x7ff16439038a
[  330.130808][ T6704] 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
[  330.130828][ T6704] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.130852][ T6704] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  330.130869][ T6704] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  330.130885][ T6704] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  330.130900][ T6704] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  330.130915][ T6704] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  330.130940][ T6704]  </TASK>
[  330.130963][ T6704] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  330.447178][ T6704] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.717975][ T6707] loop1: detected capacity change from 0 to 32768
[  330.729898][ T6707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.738202][ T6707] CPU: 0 UID: 0 PID: 6707 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT(full) 
[  330.738233][ T6707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  330.738248][ T6707] Call Trace:
[  330.738257][ T6707]  <TASK>
[  330.738266][ T6707]  dump_stack_lvl+0x189/0x250
[  330.738301][ T6707]  ? __pfx_dump_stack_lvl+0x10/0x10
[  330.738329][ T6707]  ? __pfx__printk+0x10/0x10
[  330.738358][ T6707]  ? kernfs_root+0x1c/0x230
[  330.738398][ T6707]  ? kernfs_path_from_node+0x250/0x290
[  330.738430][ T6707]  ? kernfs_path_from_node+0x2f/0x290
[  330.738450][ T6707]  sysfs_create_dir_ns+0x259/0x280
[  330.738482][ T6707]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  330.738513][ T6707]  ? do_raw_spin_unlock+0x122/0x240
[  330.738537][ T6707]  kobject_add_internal+0x59f/0xb40
[  330.738568][ T6707]  kobject_init_and_add+0x125/0x190
[  330.738596][ T6707]  ? __pfx_kobject_init_and_add+0x10/0x10
[  330.738623][ T6707]  ? __raw_spin_lock_init+0x45/0x100
[  330.738645][ T6707]  ? __init_swait_queue_head+0xa9/0x150
[  330.738667][ T6707]  gfs2_sys_fs_add+0x234/0x450
[  330.738698][ T6707]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  330.738731][ T6707]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  330.738760][ T6707]  gfs2_fill_super+0x13c0/0x20d0
[  330.738791][ T6707]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.738815][ T6707]  ? sb_set_blocksize+0x104/0x180
[  330.738843][ T6707]  ? setup_bdev_super+0x4c1/0x5b0
[  330.738869][ T6707]  get_tree_bdev_flags+0x40e/0x4d0
[  330.738894][ T6707]  ? __pfx_gfs2_fill_super+0x10/0x10
[  330.738916][ T6707]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  330.738946][ T6707]  gfs2_get_tree+0x51/0x1e0
[  330.738969][ T6707]  vfs_get_tree+0x92/0x2b0
[  330.738994][ T6707]  do_new_mount+0x2a2/0xa30
[  330.739023][ T6707]  ? ns_capable+0x8a/0xf0
[  330.739052][ T6707]  ? __pfx_do_new_mount+0x10/0x10
[  330.739077][ T6707]  ? path_mount+0x61c/0xfe0
[  330.739101][ T6707]  ? user_path_at+0x44/0x60
[  330.739124][ T6707]  __se_sys_mount+0x317/0x410
[  330.739154][ T6707]  ? __pfx___se_sys_mount+0x10/0x10
[  330.739187][ T6707]  ? rcu_is_watching+0x15/0xb0
[  330.739216][ T6707]  ? __x64_sys_mount+0x20/0xc0
[  330.739243][ T6707]  do_syscall_64+0xfa/0xfa0
[  330.739268][ T6707]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.739288][ T6707]  ? clear_bhb_loop+0x60/0xb0
[  330.739310][ T6707]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  330.739330][ T6707] RIP: 0033:0x7ff16439038a
[  330.739350][ T6707] 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
[  330.739376][ T6707] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.739399][ T6707] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  330.739415][ T6707] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  330.739430][ T6707] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  330.739445][ T6707] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  330.739459][ T6707] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  330.739483][ T6707]  </TASK>
[  330.739583][ T6707] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.054950][ T6707] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  331.329444][ T6711] loop1: detected capacity change from 0 to 32768
[  331.342583][ T6711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  331.350036][ T6711] CPU: 1 UID: 0 PID: 6711 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT(full) 
[  331.350074][ T6711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  331.350087][ T6711] Call Trace:
[  331.350096][ T6711]  <TASK>
[  331.350104][ T6711]  dump_stack_lvl+0x189/0x250
[  331.350136][ T6711]  ? __pfx_dump_stack_lvl+0x10/0x10
[  331.350160][ T6711]  ? __pfx__printk+0x10/0x10
[  331.350187][ T6711]  ? kernfs_root+0x1c/0x230
[  331.350208][ T6711]  ? kernfs_path_from_node+0x250/0x290
[  331.350226][ T6711]  ? kernfs_path_from_node+0x2f/0x290
[  331.350246][ T6711]  sysfs_create_dir_ns+0x259/0x280
[  331.350278][ T6711]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  331.350309][ T6711]  ? do_raw_spin_unlock+0x122/0x240
[  331.350332][ T6711]  kobject_add_internal+0x59f/0xb40
[  331.350363][ T6711]  kobject_init_and_add+0x125/0x190
[  331.350392][ T6711]  ? __pfx_kobject_init_and_add+0x10/0x10
[  331.350418][ T6711]  ? __raw_spin_lock_init+0x45/0x100
[  331.350439][ T6711]  ? __init_swait_queue_head+0xa9/0x150
[  331.350461][ T6711]  gfs2_sys_fs_add+0x234/0x450
[  331.350492][ T6711]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  331.350525][ T6711]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  331.350554][ T6711]  gfs2_fill_super+0x13c0/0x20d0
[  331.350585][ T6711]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.350610][ T6711]  ? sb_set_blocksize+0x104/0x180
[  331.350638][ T6711]  ? setup_bdev_super+0x4c1/0x5b0
[  331.350663][ T6711]  get_tree_bdev_flags+0x40e/0x4d0
[  331.350688][ T6711]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.350710][ T6711]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  331.350739][ T6711]  gfs2_get_tree+0x51/0x1e0
[  331.350762][ T6711]  vfs_get_tree+0x92/0x2b0
[  331.350787][ T6711]  do_new_mount+0x2a2/0xa30
[  331.350815][ T6711]  ? ns_capable+0x8a/0xf0
[  331.350844][ T6711]  ? __pfx_do_new_mount+0x10/0x10
[  331.350869][ T6711]  ? path_mount+0x61c/0xfe0
[  331.350894][ T6711]  ? user_path_at+0x44/0x60
[  331.350917][ T6711]  __se_sys_mount+0x317/0x410
[  331.350946][ T6711]  ? __pfx___se_sys_mount+0x10/0x10
[  331.350975][ T6711]  ? rcu_is_watching+0x15/0xb0
[  331.351004][ T6711]  ? __x64_sys_mount+0x20/0xc0
[  331.351031][ T6711]  do_syscall_64+0xfa/0xfa0
[  331.351069][ T6711]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.351090][ T6711]  ? clear_bhb_loop+0x60/0xb0
[  331.351116][ T6711]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.351136][ T6711] RIP: 0033:0x7ff16439038a
[  331.351154][ T6711] 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
[  331.351172][ T6711] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.351194][ T6711] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  331.351210][ T6711] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  331.351225][ T6711] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  331.351240][ T6711] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  331.351254][ T6711] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  331.351278][ T6711]  </TASK>
[  331.662964][ T6711] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.677500][ T6711] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  331.944245][ T6714] loop1: detected capacity change from 0 to 32768
[  331.957297][ T6714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  331.964910][ T6714] CPU: 0 UID: 0 PID: 6714 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT(full) 
[  331.964939][ T6714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  331.964953][ T6714] Call Trace:
[  331.964961][ T6714]  <TASK>
[  331.964978][ T6714]  dump_stack_lvl+0x189/0x250
[  331.965010][ T6714]  ? __pfx_dump_stack_lvl+0x10/0x10
[  331.965035][ T6714]  ? __pfx__printk+0x10/0x10
[  331.965062][ T6714]  ? kernfs_root+0x1c/0x230
[  331.965084][ T6714]  ? kernfs_path_from_node+0x250/0x290
[  331.965101][ T6714]  ? kernfs_path_from_node+0x2f/0x290
[  331.965122][ T6714]  sysfs_create_dir_ns+0x259/0x280
[  331.965154][ T6714]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  331.965186][ T6714]  ? do_raw_spin_unlock+0x122/0x240
[  331.965210][ T6714]  kobject_add_internal+0x59f/0xb40
[  331.965241][ T6714]  kobject_init_and_add+0x125/0x190
[  331.965269][ T6714]  ? __pfx_kobject_init_and_add+0x10/0x10
[  331.965296][ T6714]  ? __raw_spin_lock_init+0x45/0x100
[  331.965317][ T6714]  ? __init_swait_queue_head+0xa9/0x150
[  331.965340][ T6714]  gfs2_sys_fs_add+0x234/0x450
[  331.965370][ T6714]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  331.965402][ T6714]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  331.965430][ T6714]  gfs2_fill_super+0x13c0/0x20d0
[  331.965461][ T6714]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.965486][ T6714]  ? sb_set_blocksize+0x104/0x180
[  331.965514][ T6714]  ? setup_bdev_super+0x4c1/0x5b0
[  331.965540][ T6714]  get_tree_bdev_flags+0x40e/0x4d0
[  331.965565][ T6714]  ? __pfx_gfs2_fill_super+0x10/0x10
[  331.965588][ T6714]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  331.965617][ T6714]  gfs2_get_tree+0x51/0x1e0
[  331.965640][ T6714]  vfs_get_tree+0x92/0x2b0
[  331.965665][ T6714]  do_new_mount+0x2a2/0xa30
[  331.965693][ T6714]  ? ns_capable+0x8a/0xf0
[  331.965722][ T6714]  ? __pfx_do_new_mount+0x10/0x10
[  331.965748][ T6714]  ? path_mount+0x61c/0xfe0
[  331.965771][ T6714]  ? user_path_at+0x44/0x60
[  331.965794][ T6714]  __se_sys_mount+0x317/0x410
[  331.965823][ T6714]  ? __pfx___se_sys_mount+0x10/0x10
[  331.965852][ T6714]  ? rcu_is_watching+0x15/0xb0
[  331.965881][ T6714]  ? __x64_sys_mount+0x20/0xc0
[  331.965908][ T6714]  do_syscall_64+0xfa/0xfa0
[  331.965934][ T6714]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.965954][ T6714]  ? clear_bhb_loop+0x60/0xb0
[  331.965987][ T6714]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.966007][ T6714] RIP: 0033:0x7ff16439038a
[  331.966026][ T6714] 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
[  331.966045][ T6714] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.966069][ T6714] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  331.966085][ T6714] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  331.966101][ T6714] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  331.966116][ T6714] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  331.966130][ T6714] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  331.966154][ T6714]  </TASK>
[  331.966176][ T6714] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.281061][ T6714] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  332.590612][ T6717] loop1: detected capacity change from 0 to 32768
[  332.602947][ T6717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  332.610412][ T6717] CPU: 1 UID: 0 PID: 6717 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT(full) 
[  332.610440][ T6717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  332.610454][ T6717] Call Trace:
[  332.610463][ T6717]  <TASK>
[  332.610471][ T6717]  dump_stack_lvl+0x189/0x250
[  332.610504][ T6717]  ? __pfx_dump_stack_lvl+0x10/0x10
[  332.610529][ T6717]  ? __pfx__printk+0x10/0x10
[  332.610556][ T6717]  ? kernfs_root+0x1c/0x230
[  332.610577][ T6717]  ? kernfs_path_from_node+0x250/0x290
[  332.610595][ T6717]  ? kernfs_path_from_node+0x2f/0x290
[  332.610616][ T6717]  sysfs_create_dir_ns+0x259/0x280
[  332.610648][ T6717]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  332.610679][ T6717]  ? do_raw_spin_unlock+0x122/0x240
[  332.610702][ T6717]  kobject_add_internal+0x59f/0xb40
[  332.610732][ T6717]  kobject_init_and_add+0x125/0x190
[  332.610760][ T6717]  ? __pfx_kobject_init_and_add+0x10/0x10
[  332.610786][ T6717]  ? __raw_spin_lock_init+0x45/0x100
[  332.610808][ T6717]  ? __init_swait_queue_head+0xa9/0x150
[  332.610830][ T6717]  gfs2_sys_fs_add+0x234/0x450
[  332.610861][ T6717]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  332.610895][ T6717]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  332.610923][ T6717]  gfs2_fill_super+0x13c0/0x20d0
[  332.610955][ T6717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  332.610979][ T6717]  ? sb_set_blocksize+0x104/0x180
[  332.611008][ T6717]  ? setup_bdev_super+0x4c1/0x5b0
[  332.611033][ T6717]  get_tree_bdev_flags+0x40e/0x4d0
[  332.611058][ T6717]  ? __pfx_gfs2_fill_super+0x10/0x10
[  332.611080][ T6717]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  332.611110][ T6717]  gfs2_get_tree+0x51/0x1e0
[  332.611137][ T6717]  vfs_get_tree+0x92/0x2b0
[  332.611170][ T6717]  do_new_mount+0x2a2/0xa30
[  332.611197][ T6717]  ? ns_capable+0x8a/0xf0
[  332.611225][ T6717]  ? __pfx_do_new_mount+0x10/0x10
[  332.611250][ T6717]  ? path_mount+0x61c/0xfe0
[  332.611274][ T6717]  ? user_path_at+0x44/0x60
[  332.611297][ T6717]  __se_sys_mount+0x317/0x410
[  332.611327][ T6717]  ? __pfx___se_sys_mount+0x10/0x10
[  332.611355][ T6717]  ? rcu_is_watching+0x15/0xb0
[  332.611384][ T6717]  ? __x64_sys_mount+0x20/0xc0
[  332.611411][ T6717]  do_syscall_64+0xfa/0xfa0
[  332.611437][ T6717]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.611457][ T6717]  ? clear_bhb_loop+0x60/0xb0
[  332.611480][ T6717]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  332.611500][ T6717] RIP: 0033:0x7ff16439038a
[  332.611520][ T6717] 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
[  332.611539][ T6717] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  332.611562][ T6717] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  332.611577][ T6717] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  332.611593][ T6717] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  332.611608][ T6717] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  332.611622][ T6717] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  332.611646][ T6717]  </TASK>
[  332.916768][ T6717] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.932347][ T6717] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.225504][ T6720] loop1: detected capacity change from 0 to 32768
[  333.240225][ T6720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.248477][ T6720] CPU: 1 UID: 0 PID: 6720 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full) 
[  333.248504][ T6720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  333.248517][ T6720] Call Trace:
[  333.248526][ T6720]  <TASK>
[  333.248534][ T6720]  dump_stack_lvl+0x189/0x250
[  333.248566][ T6720]  ? __pfx_dump_stack_lvl+0x10/0x10
[  333.248591][ T6720]  ? __pfx__printk+0x10/0x10
[  333.248618][ T6720]  ? kernfs_root+0x1c/0x230
[  333.248639][ T6720]  ? kernfs_path_from_node+0x250/0x290
[  333.248657][ T6720]  ? kernfs_path_from_node+0x2f/0x290
[  333.248678][ T6720]  sysfs_create_dir_ns+0x259/0x280
[  333.248708][ T6720]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  333.248739][ T6720]  ? do_raw_spin_unlock+0x122/0x240
[  333.248763][ T6720]  kobject_add_internal+0x59f/0xb40
[  333.248794][ T6720]  kobject_init_and_add+0x125/0x190
[  333.248821][ T6720]  ? __pfx_kobject_init_and_add+0x10/0x10
[  333.248847][ T6720]  ? __raw_spin_lock_init+0x45/0x100
[  333.248867][ T6720]  ? __init_swait_queue_head+0xa9/0x150
[  333.248890][ T6720]  gfs2_sys_fs_add+0x234/0x450
[  333.248920][ T6720]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  333.248953][ T6720]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  333.248982][ T6720]  gfs2_fill_super+0x13c0/0x20d0
[  333.249013][ T6720]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.249037][ T6720]  ? sb_set_blocksize+0x104/0x180
[  333.249066][ T6720]  ? setup_bdev_super+0x4c1/0x5b0
[  333.249092][ T6720]  get_tree_bdev_flags+0x40e/0x4d0
[  333.249124][ T6720]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.249147][ T6720]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  333.249177][ T6720]  gfs2_get_tree+0x51/0x1e0
[  333.249201][ T6720]  vfs_get_tree+0x92/0x2b0
[  333.249225][ T6720]  do_new_mount+0x2a2/0xa30
[  333.249252][ T6720]  ? ns_capable+0x8a/0xf0
[  333.249281][ T6720]  ? __pfx_do_new_mount+0x10/0x10
[  333.249305][ T6720]  ? path_mount+0x61c/0xfe0
[  333.249329][ T6720]  ? user_path_at+0x44/0x60
[  333.249353][ T6720]  __se_sys_mount+0x317/0x410
[  333.249381][ T6720]  ? __pfx___se_sys_mount+0x10/0x10
[  333.249408][ T6720]  ? rcu_is_watching+0x15/0xb0
[  333.249436][ T6720]  ? __x64_sys_mount+0x20/0xc0
[  333.249463][ T6720]  do_syscall_64+0xfa/0xfa0
[  333.249488][ T6720]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.249509][ T6720]  ? clear_bhb_loop+0x60/0xb0
[  333.249532][ T6720]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.249552][ T6720] RIP: 0033:0x7ff16439038a
[  333.249570][ T6720] 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
[  333.249590][ T6720] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.249612][ T6720] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  333.249628][ T6720] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  333.249643][ T6720] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  333.249657][ T6720] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  333.249672][ T6720] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  333.249696][ T6720]  </TASK>
[  333.249717][ T6720] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.564698][ T6720] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.831693][ T6723] loop1: detected capacity change from 0 to 32768
[  333.843632][ T6723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.851084][ T6723] CPU: 0 UID: 0 PID: 6723 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT(full) 
[  333.851116][ T6723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  333.851129][ T6723] Call Trace:
[  333.851136][ T6723]  <TASK>
[  333.851144][ T6723]  dump_stack_lvl+0x189/0x250
[  333.851176][ T6723]  ? __pfx_dump_stack_lvl+0x10/0x10
[  333.851201][ T6723]  ? __pfx__printk+0x10/0x10
[  333.851227][ T6723]  ? kernfs_root+0x1c/0x230
[  333.851248][ T6723]  ? kernfs_path_from_node+0x250/0x290
[  333.851266][ T6723]  ? kernfs_path_from_node+0x2f/0x290
[  333.851286][ T6723]  sysfs_create_dir_ns+0x259/0x280
[  333.851317][ T6723]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  333.851349][ T6723]  ? do_raw_spin_unlock+0x122/0x240
[  333.851372][ T6723]  kobject_add_internal+0x59f/0xb40
[  333.851403][ T6723]  kobject_init_and_add+0x125/0x190
[  333.851432][ T6723]  ? __pfx_kobject_init_and_add+0x10/0x10
[  333.851458][ T6723]  ? __raw_spin_lock_init+0x45/0x100
[  333.851479][ T6723]  ? __init_swait_queue_head+0xa9/0x150
[  333.851502][ T6723]  gfs2_sys_fs_add+0x234/0x450
[  333.851532][ T6723]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  333.851565][ T6723]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  333.851595][ T6723]  gfs2_fill_super+0x13c0/0x20d0
[  333.851625][ T6723]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.851650][ T6723]  ? sb_set_blocksize+0x104/0x180
[  333.851679][ T6723]  ? setup_bdev_super+0x4c1/0x5b0
[  333.851705][ T6723]  get_tree_bdev_flags+0x40e/0x4d0
[  333.851729][ T6723]  ? __pfx_gfs2_fill_super+0x10/0x10
[  333.851752][ T6723]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  333.851782][ T6723]  gfs2_get_tree+0x51/0x1e0
[  333.851805][ T6723]  vfs_get_tree+0x92/0x2b0
[  333.851843][ T6723]  do_new_mount+0x2a2/0xa30
[  333.851870][ T6723]  ? ns_capable+0x8a/0xf0
[  333.851899][ T6723]  ? __pfx_do_new_mount+0x10/0x10
[  333.851924][ T6723]  ? path_mount+0x61c/0xfe0
[  333.851948][ T6723]  ? user_path_at+0x44/0x60
[  333.851971][ T6723]  __se_sys_mount+0x317/0x410
[  333.852001][ T6723]  ? __pfx___se_sys_mount+0x10/0x10
[  333.852030][ T6723]  ? rcu_is_watching+0x15/0xb0
[  333.852059][ T6723]  ? __x64_sys_mount+0x20/0xc0
[  333.852087][ T6723]  do_syscall_64+0xfa/0xfa0
[  333.852111][ T6723]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.852132][ T6723]  ? clear_bhb_loop+0x60/0xb0
[  333.852155][ T6723]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  333.852176][ T6723] RIP: 0033:0x7ff16439038a
[  333.852195][ T6723] 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
[  333.852214][ T6723] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.852238][ T6723] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  333.852253][ T6723] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  333.852269][ T6723] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  333.852283][ T6723] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  333.852297][ T6723] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  333.852321][ T6723]  </TASK>
[  334.152631][ T6723] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.166958][ T6723] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/24 09:30:40 executed programs: 219
[  334.419866][ T6726] loop1: detected capacity change from 0 to 32768
[  334.457246][ T6726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  334.464976][ T6726] CPU: 1 UID: 0 PID: 6726 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT(full) 
[  334.465004][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  334.465018][ T6726] Call Trace:
[  334.465025][ T6726]  <TASK>
[  334.465034][ T6726]  dump_stack_lvl+0x189/0x250
[  334.465065][ T6726]  ? __pfx_dump_stack_lvl+0x10/0x10
[  334.465089][ T6726]  ? __pfx__printk+0x10/0x10
[  334.465116][ T6726]  ? kernfs_root+0x1c/0x230
[  334.465135][ T6726]  ? kernfs_path_from_node+0x250/0x290
[  334.465152][ T6726]  ? kernfs_path_from_node+0x2f/0x290
[  334.465171][ T6726]  sysfs_create_dir_ns+0x259/0x280
[  334.465204][ T6726]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  334.465235][ T6726]  ? do_raw_spin_unlock+0x122/0x240
[  334.465258][ T6726]  kobject_add_internal+0x59f/0xb40
[  334.465290][ T6726]  kobject_init_and_add+0x125/0x190
[  334.465317][ T6726]  ? __pfx_kobject_init_and_add+0x10/0x10
[  334.465343][ T6726]  ? __raw_spin_lock_init+0x45/0x100
[  334.465365][ T6726]  ? __init_swait_queue_head+0xa9/0x150
[  334.465387][ T6726]  gfs2_sys_fs_add+0x234/0x450
[  334.465417][ T6726]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  334.465450][ T6726]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  334.465479][ T6726]  gfs2_fill_super+0x13c0/0x20d0
[  334.465509][ T6726]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.465533][ T6726]  ? sb_set_blocksize+0x104/0x180
[  334.465562][ T6726]  ? setup_bdev_super+0x4c1/0x5b0
[  334.465589][ T6726]  get_tree_bdev_flags+0x40e/0x4d0
[  334.465613][ T6726]  ? __pfx_gfs2_fill_super+0x10/0x10
[  334.465636][ T6726]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  334.465666][ T6726]  gfs2_get_tree+0x51/0x1e0
[  334.465689][ T6726]  vfs_get_tree+0x92/0x2b0
[  334.465714][ T6726]  do_new_mount+0x2a2/0xa30
[  334.465741][ T6726]  ? ns_capable+0x8a/0xf0
[  334.465768][ T6726]  ? __pfx_do_new_mount+0x10/0x10
[  334.465793][ T6726]  ? path_mount+0x61c/0xfe0
[  334.465817][ T6726]  ? user_path_at+0x44/0x60
[  334.465838][ T6726]  __se_sys_mount+0x317/0x410
[  334.465867][ T6726]  ? __pfx___se_sys_mount+0x10/0x10
[  334.465895][ T6726]  ? rcu_is_watching+0x15/0xb0
[  334.465923][ T6726]  ? __x64_sys_mount+0x20/0xc0
[  334.465960][ T6726]  do_syscall_64+0xfa/0xfa0
[  334.465986][ T6726]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.466007][ T6726]  ? clear_bhb_loop+0x60/0xb0
[  334.466030][ T6726]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  334.466050][ T6726] RIP: 0033:0x7ff16439038a
[  334.466069][ T6726] 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
[  334.466087][ T6726] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  334.466110][ T6726] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  334.466126][ T6726] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  334.466141][ T6726] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  334.466155][ T6726] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  334.466168][ T6726] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  334.466192][ T6726]  </TASK>
[  334.466212][ T6726] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  334.781921][ T6726] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.047402][ T6729] loop1: detected capacity change from 0 to 32768
[  335.058730][ T6729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.069901][ T6729] CPU: 0 UID: 0 PID: 6729 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT(full) 
[  335.069930][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  335.069944][ T6729] Call Trace:
[  335.069952][ T6729]  <TASK>
[  335.069960][ T6729]  dump_stack_lvl+0x189/0x250
[  335.069994][ T6729]  ? __pfx_dump_stack_lvl+0x10/0x10
[  335.070019][ T6729]  ? __pfx__printk+0x10/0x10
[  335.070046][ T6729]  ? kernfs_root+0x1c/0x230
[  335.070067][ T6729]  ? kernfs_path_from_node+0x250/0x290
[  335.070085][ T6729]  ? kernfs_path_from_node+0x2f/0x290
[  335.070106][ T6729]  sysfs_create_dir_ns+0x259/0x280
[  335.070138][ T6729]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  335.070169][ T6729]  ? do_raw_spin_unlock+0x122/0x240
[  335.070193][ T6729]  kobject_add_internal+0x59f/0xb40
[  335.070224][ T6729]  kobject_init_and_add+0x125/0x190
[  335.070253][ T6729]  ? __pfx_kobject_init_and_add+0x10/0x10
[  335.070279][ T6729]  ? __raw_spin_lock_init+0x45/0x100
[  335.070301][ T6729]  ? __init_swait_queue_head+0xa9/0x150
[  335.070323][ T6729]  gfs2_sys_fs_add+0x234/0x450
[  335.070354][ T6729]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  335.070387][ T6729]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  335.070417][ T6729]  gfs2_fill_super+0x13c0/0x20d0
[  335.070447][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.070471][ T6729]  ? sb_set_blocksize+0x104/0x180
[  335.070499][ T6729]  ? setup_bdev_super+0x4c1/0x5b0
[  335.070523][ T6729]  get_tree_bdev_flags+0x40e/0x4d0
[  335.070548][ T6729]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.070570][ T6729]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  335.070600][ T6729]  gfs2_get_tree+0x51/0x1e0
[  335.070623][ T6729]  vfs_get_tree+0x92/0x2b0
[  335.070648][ T6729]  do_new_mount+0x2a2/0xa30
[  335.070688][ T6729]  ? ns_capable+0x8a/0xf0
[  335.070717][ T6729]  ? __pfx_do_new_mount+0x10/0x10
[  335.070742][ T6729]  ? path_mount+0x61c/0xfe0
[  335.070766][ T6729]  ? user_path_at+0x44/0x60
[  335.070789][ T6729]  __se_sys_mount+0x317/0x410
[  335.070819][ T6729]  ? __pfx___se_sys_mount+0x10/0x10
[  335.070847][ T6729]  ? rcu_is_watching+0x15/0xb0
[  335.070876][ T6729]  ? __x64_sys_mount+0x20/0xc0
[  335.070903][ T6729]  do_syscall_64+0xfa/0xfa0
[  335.070928][ T6729]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.070948][ T6729]  ? clear_bhb_loop+0x60/0xb0
[  335.070971][ T6729]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.070991][ T6729] RIP: 0033:0x7ff16439038a
[  335.071010][ T6729] 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
[  335.071029][ T6729] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.071051][ T6729] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  335.071067][ T6729] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  335.071083][ T6729] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  335.071097][ T6729] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  335.071115][ T6729] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  335.071137][ T6729]  </TASK>
[  335.375109][ T6729] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.389791][ T6729] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.650228][ T6732] loop1: detected capacity change from 0 to 32768
[  335.661863][ T6732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.669313][ T6732] CPU: 1 UID: 0 PID: 6732 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT(full) 
[  335.669341][ T6732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  335.669355][ T6732] Call Trace:
[  335.669363][ T6732]  <TASK>
[  335.669372][ T6732]  dump_stack_lvl+0x189/0x250
[  335.669404][ T6732]  ? __pfx_dump_stack_lvl+0x10/0x10
[  335.669429][ T6732]  ? __pfx__printk+0x10/0x10
[  335.669456][ T6732]  ? kernfs_root+0x1c/0x230
[  335.669476][ T6732]  ? kernfs_path_from_node+0x250/0x290
[  335.669495][ T6732]  ? kernfs_path_from_node+0x2f/0x290
[  335.669515][ T6732]  sysfs_create_dir_ns+0x259/0x280
[  335.669553][ T6732]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  335.669584][ T6732]  ? do_raw_spin_unlock+0x122/0x240
[  335.669608][ T6732]  kobject_add_internal+0x59f/0xb40
[  335.669639][ T6732]  kobject_init_and_add+0x125/0x190
[  335.669677][ T6732]  ? __pfx_kobject_init_and_add+0x10/0x10
[  335.669703][ T6732]  ? __raw_spin_lock_init+0x45/0x100
[  335.669725][ T6732]  ? __init_swait_queue_head+0xa9/0x150
[  335.669748][ T6732]  gfs2_sys_fs_add+0x234/0x450
[  335.669778][ T6732]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  335.669811][ T6732]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  335.669840][ T6732]  gfs2_fill_super+0x13c0/0x20d0
[  335.669869][ T6732]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.669893][ T6732]  ? sb_set_blocksize+0x104/0x180
[  335.669922][ T6732]  ? setup_bdev_super+0x4c1/0x5b0
[  335.669948][ T6732]  get_tree_bdev_flags+0x40e/0x4d0
[  335.669972][ T6732]  ? __pfx_gfs2_fill_super+0x10/0x10
[  335.669995][ T6732]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  335.670025][ T6732]  gfs2_get_tree+0x51/0x1e0
[  335.670049][ T6732]  vfs_get_tree+0x92/0x2b0
[  335.670073][ T6732]  do_new_mount+0x2a2/0xa30
[  335.670101][ T6732]  ? ns_capable+0x8a/0xf0
[  335.670130][ T6732]  ? __pfx_do_new_mount+0x10/0x10
[  335.670156][ T6732]  ? path_mount+0x61c/0xfe0
[  335.670179][ T6732]  ? user_path_at+0x44/0x60
[  335.670203][ T6732]  __se_sys_mount+0x317/0x410
[  335.670232][ T6732]  ? __pfx___se_sys_mount+0x10/0x10
[  335.670260][ T6732]  ? rcu_is_watching+0x15/0xb0
[  335.670288][ T6732]  ? __x64_sys_mount+0x20/0xc0
[  335.670315][ T6732]  do_syscall_64+0xfa/0xfa0
[  335.670341][ T6732]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.670361][ T6732]  ? clear_bhb_loop+0x60/0xb0
[  335.670384][ T6732]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  335.670404][ T6732] RIP: 0033:0x7ff16439038a
[  335.670424][ T6732] 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
[  335.670442][ T6732] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.670465][ T6732] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  335.670481][ T6732] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  335.670496][ T6732] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  335.670511][ T6732] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  335.670525][ T6732] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  335.670549][ T6732]  </TASK>
[  335.670572][ T6732] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.986227][ T6732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.255668][ T6735] loop1: detected capacity change from 0 to 32768
[  336.266862][ T6735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.274592][ T6735] CPU: 1 UID: 0 PID: 6735 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT(full) 
[  336.274620][ T6735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  336.274633][ T6735] Call Trace:
[  336.274641][ T6735]  <TASK>
[  336.274649][ T6735]  dump_stack_lvl+0x189/0x250
[  336.274679][ T6735]  ? __pfx_dump_stack_lvl+0x10/0x10
[  336.274702][ T6735]  ? __pfx__printk+0x10/0x10
[  336.274727][ T6735]  ? kernfs_root+0x1c/0x230
[  336.274748][ T6735]  ? kernfs_path_from_node+0x250/0x290
[  336.274766][ T6735]  ? kernfs_path_from_node+0x2f/0x290
[  336.274786][ T6735]  sysfs_create_dir_ns+0x259/0x280
[  336.274818][ T6735]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  336.274850][ T6735]  ? do_raw_spin_unlock+0x122/0x240
[  336.274882][ T6735]  kobject_add_internal+0x59f/0xb40
[  336.274914][ T6735]  kobject_init_and_add+0x125/0x190
[  336.274942][ T6735]  ? __pfx_kobject_init_and_add+0x10/0x10
[  336.274968][ T6735]  ? __raw_spin_lock_init+0x45/0x100
[  336.274989][ T6735]  ? __init_swait_queue_head+0xa9/0x150
[  336.275011][ T6735]  gfs2_sys_fs_add+0x234/0x450
[  336.275041][ T6735]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  336.275072][ T6735]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  336.275101][ T6735]  gfs2_fill_super+0x13c0/0x20d0
[  336.275130][ T6735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.275153][ T6735]  ? sb_set_blocksize+0x104/0x180
[  336.275180][ T6735]  ? setup_bdev_super+0x4c1/0x5b0
[  336.275204][ T6735]  get_tree_bdev_flags+0x40e/0x4d0
[  336.275227][ T6735]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.275248][ T6735]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  336.275278][ T6735]  gfs2_get_tree+0x51/0x1e0
[  336.275300][ T6735]  vfs_get_tree+0x92/0x2b0
[  336.275323][ T6735]  do_new_mount+0x2a2/0xa30
[  336.275349][ T6735]  ? ns_capable+0x8a/0xf0
[  336.275377][ T6735]  ? __pfx_do_new_mount+0x10/0x10
[  336.275402][ T6735]  ? path_mount+0x61c/0xfe0
[  336.275425][ T6735]  ? user_path_at+0x44/0x60
[  336.275447][ T6735]  __se_sys_mount+0x317/0x410
[  336.275477][ T6735]  ? __pfx___se_sys_mount+0x10/0x10
[  336.275505][ T6735]  ? rcu_is_watching+0x15/0xb0
[  336.275532][ T6735]  ? __x64_sys_mount+0x20/0xc0
[  336.275559][ T6735]  do_syscall_64+0xfa/0xfa0
[  336.275584][ T6735]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.275604][ T6735]  ? clear_bhb_loop+0x60/0xb0
[  336.275628][ T6735]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.275648][ T6735] RIP: 0033:0x7ff16439038a
[  336.275667][ T6735] 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
[  336.275686][ T6735] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.275710][ T6735] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  336.275726][ T6735] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  336.275741][ T6735] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  336.275756][ T6735] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  336.275770][ T6735] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  336.275794][ T6735]  </TASK>
[  336.275816][ T6735] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.591028][ T6735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.878168][ T6738] loop1: detected capacity change from 0 to 32768
[  336.889233][ T6738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.897009][ T6738] CPU: 0 UID: 0 PID: 6738 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT(full) 
[  336.897037][ T6738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  336.897050][ T6738] Call Trace:
[  336.897058][ T6738]  <TASK>
[  336.897067][ T6738]  dump_stack_lvl+0x189/0x250
[  336.897099][ T6738]  ? __pfx_dump_stack_lvl+0x10/0x10
[  336.897124][ T6738]  ? __pfx__printk+0x10/0x10
[  336.897151][ T6738]  ? kernfs_root+0x1c/0x230
[  336.897172][ T6738]  ? kernfs_path_from_node+0x250/0x290
[  336.897190][ T6738]  ? kernfs_path_from_node+0x2f/0x290
[  336.897210][ T6738]  sysfs_create_dir_ns+0x259/0x280
[  336.897241][ T6738]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  336.897272][ T6738]  ? do_raw_spin_unlock+0x122/0x240
[  336.897296][ T6738]  kobject_add_internal+0x59f/0xb40
[  336.897329][ T6738]  kobject_init_and_add+0x125/0x190
[  336.897357][ T6738]  ? __pfx_kobject_init_and_add+0x10/0x10
[  336.897383][ T6738]  ? __raw_spin_lock_init+0x45/0x100
[  336.897405][ T6738]  ? __init_swait_queue_head+0xa9/0x150
[  336.897427][ T6738]  gfs2_sys_fs_add+0x234/0x450
[  336.897459][ T6738]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  336.897491][ T6738]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  336.897521][ T6738]  gfs2_fill_super+0x13c0/0x20d0
[  336.897551][ T6738]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.897575][ T6738]  ? sb_set_blocksize+0x104/0x180
[  336.897603][ T6738]  ? setup_bdev_super+0x4c1/0x5b0
[  336.897630][ T6738]  get_tree_bdev_flags+0x40e/0x4d0
[  336.897654][ T6738]  ? __pfx_gfs2_fill_super+0x10/0x10
[  336.897676][ T6738]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  336.897706][ T6738]  gfs2_get_tree+0x51/0x1e0
[  336.897730][ T6738]  vfs_get_tree+0x92/0x2b0
[  336.897755][ T6738]  do_new_mount+0x2a2/0xa30
[  336.897783][ T6738]  ? ns_capable+0x8a/0xf0
[  336.897812][ T6738]  ? __pfx_do_new_mount+0x10/0x10
[  336.897847][ T6738]  ? path_mount+0x61c/0xfe0
[  336.897871][ T6738]  ? user_path_at+0x44/0x60
[  336.897894][ T6738]  __se_sys_mount+0x317/0x410
[  336.897924][ T6738]  ? __pfx___se_sys_mount+0x10/0x10
[  336.897952][ T6738]  ? rcu_is_watching+0x15/0xb0
[  336.897981][ T6738]  ? __x64_sys_mount+0x20/0xc0
[  336.898008][ T6738]  do_syscall_64+0xfa/0xfa0
[  336.898034][ T6738]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.898055][ T6738]  ? clear_bhb_loop+0x60/0xb0
[  336.898078][ T6738]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  336.898098][ T6738] RIP: 0033:0x7ff16439038a
[  336.898117][ T6738] 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
[  336.898136][ T6738] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.898159][ T6738] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  336.898175][ T6738] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  336.898191][ T6738] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  336.898205][ T6738] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  336.898219][ T6738] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  336.898244][ T6738]  </TASK>
[  336.898265][ T6738] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.214077][ T6738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.485670][ T6741] loop1: detected capacity change from 0 to 32768
[  337.497830][ T6741] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.505812][ T6741] CPU: 1 UID: 0 PID: 6741 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT(full) 
[  337.505839][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  337.505852][ T6741] Call Trace:
[  337.505860][ T6741]  <TASK>
[  337.505868][ T6741]  dump_stack_lvl+0x189/0x250
[  337.505899][ T6741]  ? __pfx_dump_stack_lvl+0x10/0x10
[  337.505924][ T6741]  ? __pfx__printk+0x10/0x10
[  337.505952][ T6741]  ? kernfs_root+0x1c/0x230
[  337.505973][ T6741]  ? kernfs_path_from_node+0x250/0x290
[  337.505992][ T6741]  ? kernfs_path_from_node+0x2f/0x290
[  337.506012][ T6741]  sysfs_create_dir_ns+0x259/0x280
[  337.506043][ T6741]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  337.506074][ T6741]  ? do_raw_spin_unlock+0x122/0x240
[  337.506098][ T6741]  kobject_add_internal+0x59f/0xb40
[  337.506129][ T6741]  kobject_init_and_add+0x125/0x190
[  337.506157][ T6741]  ? __pfx_kobject_init_and_add+0x10/0x10
[  337.506183][ T6741]  ? __raw_spin_lock_init+0x45/0x100
[  337.506205][ T6741]  ? __init_swait_queue_head+0xa9/0x150
[  337.506227][ T6741]  gfs2_sys_fs_add+0x234/0x450
[  337.506257][ T6741]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  337.506290][ T6741]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  337.506319][ T6741]  gfs2_fill_super+0x13c0/0x20d0
[  337.506350][ T6741]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.506374][ T6741]  ? sb_set_blocksize+0x104/0x180
[  337.506402][ T6741]  ? setup_bdev_super+0x4c1/0x5b0
[  337.506428][ T6741]  get_tree_bdev_flags+0x40e/0x4d0
[  337.506452][ T6741]  ? __pfx_gfs2_fill_super+0x10/0x10
[  337.506474][ T6741]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  337.506521][ T6741]  gfs2_get_tree+0x51/0x1e0
[  337.506545][ T6741]  vfs_get_tree+0x92/0x2b0
[  337.506571][ T6741]  do_new_mount+0x2a2/0xa30
[  337.506599][ T6741]  ? ns_capable+0x8a/0xf0
[  337.506627][ T6741]  ? __pfx_do_new_mount+0x10/0x10
[  337.506653][ T6741]  ? path_mount+0x61c/0xfe0
[  337.506676][ T6741]  ? user_path_at+0x44/0x60
[  337.506699][ T6741]  __se_sys_mount+0x317/0x410
[  337.506728][ T6741]  ? __pfx___se_sys_mount+0x10/0x10
[  337.506756][ T6741]  ? rcu_is_watching+0x15/0xb0
[  337.506784][ T6741]  ? __x64_sys_mount+0x20/0xc0
[  337.506812][ T6741]  do_syscall_64+0xfa/0xfa0
[  337.506837][ T6741]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.506857][ T6741]  ? clear_bhb_loop+0x60/0xb0
[  337.506880][ T6741]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.506900][ T6741] RIP: 0033:0x7ff16439038a
[  337.506919][ T6741] 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
[  337.506938][ T6741] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.506962][ T6741] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  337.506978][ T6741] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  337.506993][ T6741] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  337.507008][ T6741] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  337.507022][ T6741] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  337.507047][ T6741]  </TASK>
[  337.507069][ T6741] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.822442][ T6741] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.099637][ T6744] loop1: detected capacity change from 0 to 32768
[  338.116445][ T6744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.124108][ T6744] CPU: 0 UID: 0 PID: 6744 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT(full) 
[  338.124137][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  338.124150][ T6744] Call Trace:
[  338.124158][ T6744]  <TASK>
[  338.124168][ T6744]  dump_stack_lvl+0x189/0x250
[  338.124199][ T6744]  ? __pfx_dump_stack_lvl+0x10/0x10
[  338.124223][ T6744]  ? __pfx__printk+0x10/0x10
[  338.124251][ T6744]  ? kernfs_root+0x1c/0x230
[  338.124271][ T6744]  ? kernfs_path_from_node+0x250/0x290
[  338.124289][ T6744]  ? kernfs_path_from_node+0x2f/0x290
[  338.124309][ T6744]  sysfs_create_dir_ns+0x259/0x280
[  338.124341][ T6744]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  338.124373][ T6744]  ? do_raw_spin_unlock+0x122/0x240
[  338.124397][ T6744]  kobject_add_internal+0x59f/0xb40
[  338.124426][ T6744]  kobject_init_and_add+0x125/0x190
[  338.124455][ T6744]  ? __pfx_kobject_init_and_add+0x10/0x10
[  338.124482][ T6744]  ? __raw_spin_lock_init+0x45/0x100
[  338.124504][ T6744]  ? __init_swait_queue_head+0xa9/0x150
[  338.124526][ T6744]  gfs2_sys_fs_add+0x234/0x450
[  338.124556][ T6744]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  338.124588][ T6744]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  338.124618][ T6744]  gfs2_fill_super+0x13c0/0x20d0
[  338.124650][ T6744]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.124685][ T6744]  ? sb_set_blocksize+0x104/0x180
[  338.124714][ T6744]  ? setup_bdev_super+0x4c1/0x5b0
[  338.124739][ T6744]  get_tree_bdev_flags+0x40e/0x4d0
[  338.124764][ T6744]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.124786][ T6744]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  338.124816][ T6744]  gfs2_get_tree+0x51/0x1e0
[  338.124840][ T6744]  vfs_get_tree+0x92/0x2b0
[  338.124865][ T6744]  do_new_mount+0x2a2/0xa30
[  338.124893][ T6744]  ? ns_capable+0x8a/0xf0
[  338.124922][ T6744]  ? __pfx_do_new_mount+0x10/0x10
[  338.124947][ T6744]  ? path_mount+0x61c/0xfe0
[  338.124971][ T6744]  ? user_path_at+0x44/0x60
[  338.124994][ T6744]  __se_sys_mount+0x317/0x410
[  338.125024][ T6744]  ? __pfx___se_sys_mount+0x10/0x10
[  338.125052][ T6744]  ? rcu_is_watching+0x15/0xb0
[  338.125080][ T6744]  ? __x64_sys_mount+0x20/0xc0
[  338.125107][ T6744]  do_syscall_64+0xfa/0xfa0
[  338.125132][ T6744]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.125152][ T6744]  ? clear_bhb_loop+0x60/0xb0
[  338.125175][ T6744]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.125195][ T6744] RIP: 0033:0x7ff16439038a
[  338.125214][ T6744] 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
[  338.125233][ T6744] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.125256][ T6744] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  338.125272][ T6744] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  338.125288][ T6744] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  338.125302][ T6744] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  338.125316][ T6744] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  338.125340][ T6744]  </TASK>
[  338.125361][ T6744] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.441263][ T6744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.713568][ T6747] loop1: detected capacity change from 0 to 32768
[  338.723065][ T6747] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.730507][ T6747] CPU: 0 UID: 0 PID: 6747 Comm: syz.1.241 Not tainted syzkaller #0 PREEMPT(full) 
[  338.730535][ T6747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  338.730548][ T6747] Call Trace:
[  338.730556][ T6747]  <TASK>
[  338.730565][ T6747]  dump_stack_lvl+0x189/0x250
[  338.730597][ T6747]  ? __pfx_dump_stack_lvl+0x10/0x10
[  338.730621][ T6747]  ? __pfx__printk+0x10/0x10
[  338.730649][ T6747]  ? kernfs_root+0x1c/0x230
[  338.730670][ T6747]  ? kernfs_path_from_node+0x250/0x290
[  338.730688][ T6747]  ? kernfs_path_from_node+0x2f/0x290
[  338.730708][ T6747]  sysfs_create_dir_ns+0x259/0x280
[  338.730739][ T6747]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  338.730771][ T6747]  ? do_raw_spin_unlock+0x122/0x240
[  338.730795][ T6747]  kobject_add_internal+0x59f/0xb40
[  338.730827][ T6747]  kobject_init_and_add+0x125/0x190
[  338.730855][ T6747]  ? __pfx_kobject_init_and_add+0x10/0x10
[  338.730881][ T6747]  ? __raw_spin_lock_init+0x45/0x100
[  338.730903][ T6747]  ? __init_swait_queue_head+0xa9/0x150
[  338.730924][ T6747]  gfs2_sys_fs_add+0x234/0x450
[  338.730954][ T6747]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  338.730987][ T6747]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  338.731016][ T6747]  gfs2_fill_super+0x13c0/0x20d0
[  338.731048][ T6747]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.731073][ T6747]  ? sb_set_blocksize+0x104/0x180
[  338.731101][ T6747]  ? setup_bdev_super+0x4c1/0x5b0
[  338.731130][ T6747]  get_tree_bdev_flags+0x40e/0x4d0
[  338.731153][ T6747]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.731175][ T6747]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  338.731205][ T6747]  gfs2_get_tree+0x51/0x1e0
[  338.731229][ T6747]  vfs_get_tree+0x92/0x2b0
[  338.731254][ T6747]  do_new_mount+0x2a2/0xa30
[  338.731282][ T6747]  ? ns_capable+0x8a/0xf0
[  338.731309][ T6747]  ? __pfx_do_new_mount+0x10/0x10
[  338.731334][ T6747]  ? path_mount+0x61c/0xfe0
[  338.731368][ T6747]  ? user_path_at+0x44/0x60
[  338.731392][ T6747]  __se_sys_mount+0x317/0x410
[  338.731421][ T6747]  ? __pfx___se_sys_mount+0x10/0x10
[  338.731450][ T6747]  ? rcu_is_watching+0x15/0xb0
[  338.731479][ T6747]  ? __x64_sys_mount+0x20/0xc0
[  338.731507][ T6747]  do_syscall_64+0xfa/0xfa0
[  338.731533][ T6747]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.731553][ T6747]  ? clear_bhb_loop+0x60/0xb0
[  338.731576][ T6747]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.731596][ T6747] RIP: 0033:0x7ff16439038a
[  338.731616][ T6747] 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
[  338.731636][ T6747] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.731660][ T6747] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  338.731676][ T6747] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  338.731691][ T6747] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  338.731706][ T6747] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  338.731720][ T6747] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  338.731743][ T6747]  </TASK>
[  339.037149][ T6747] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.051872][ T6747] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.251383][   T31] INFO: task syz.0.17:6038 blocked for more than 143 seconds.
[  339.258983][   T31]       Not tainted syzkaller #0
[  339.264350][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  339.273365][   T31] task:syz.0.17        state:D stack:23440 pid:6038  tgid:6038  ppid:5991   task_flags:0x400140 flags:0x00004004
[  339.285816][   T31] Call Trace:
[  339.289131][   T31]  <TASK>
[  339.292432][   T31]  __schedule+0x1798/0x4cc0
[  339.297001][   T31]  ? __pfx___schedule+0x10/0x10
[  339.302249][   T31]  ? do_raw_spin_lock+0x121/0x290
[  339.307347][   T31]  ? schedule+0x91/0x360
[  339.312149][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.316961][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.322163][   T31]  ? lock_release+0x4b/0x3e0
[  339.327232][   T31]  schedule+0x165/0x360
[  339.331809][   T31]  io_schedule+0x80/0xd0
[  339.336332][   T31]  folio_wait_bit_common+0x6b0/0xb90
[  339.342021][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.346843][   T31]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  339.353152][   T31]  ? __pfx_wake_page_function+0x10/0x10
[  339.358765][   T31]  ? unwind_next_frame+0xa5/0x2390
[  339.364249][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.369066][   T31]  ? unwind_next_frame+0xa5/0x2390
[  339.374562][   T31]  writeback_iter+0x8d8/0x12a0
[  339.375776][ T6750] loop1: detected capacity change from 0 to 32768
[  339.379379][   T31]  iomap_writepages+0x14d/0x2d0
[  339.390905][   T31]  ? __pfx_iomap_writepages+0x10/0x10
[  339.396553][ T6750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.396966][   T31]  ? folio_mark_accessed+0x42c/0x8b0
[  339.409311][   T31]  gfs2_writepages+0x177/0x250
[  339.414251][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  339.416594][ T6750] CPU: 1 UID: 0 PID: 6750 Comm: syz.1.242 Not tainted syzkaller #0 PREEMPT(full) 
[  339.416626][ T6750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  339.416642][ T6750] Call Trace:
[  339.416652][ T6750]  <TASK>
[  339.416661][ T6750]  dump_stack_lvl+0x189/0x250
[  339.416694][ T6750]  ? __pfx_dump_stack_lvl+0x10/0x10
[  339.416724][ T6750]  ? __pfx__printk+0x10/0x10
[  339.416754][ T6750]  ? kernfs_root+0x1c/0x230
[  339.416779][ T6750]  ? kernfs_path_from_node+0x250/0x290
[  339.416799][ T6750]  ? kernfs_path_from_node+0x2f/0x290
[  339.416822][ T6750]  sysfs_create_dir_ns+0x259/0x280
[  339.416858][ T6750]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  339.416894][ T6750]  ? do_raw_spin_unlock+0x122/0x240
[  339.416922][ T6750]  kobject_add_internal+0x59f/0xb40
[  339.416958][ T6750]  kobject_init_and_add+0x125/0x190
[  339.416989][ T6750]  ? __pfx_kobject_init_and_add+0x10/0x10
[  339.417019][ T6750]  ? __raw_spin_lock_init+0x45/0x100
[  339.417043][ T6750]  ? __init_swait_queue_head+0xa9/0x150
[  339.417068][ T6750]  gfs2_sys_fs_add+0x234/0x450
[  339.417103][ T6750]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  339.417140][ T6750]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  339.417176][ T6750]  gfs2_fill_super+0x13c0/0x20d0
[  339.417213][ T6750]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.417243][ T6750]  ? sb_set_blocksize+0x104/0x180
[  339.417274][ T6750]  ? setup_bdev_super+0x4c1/0x5b0
[  339.417302][ T6750]  get_tree_bdev_flags+0x40e/0x4d0
[  339.417338][ T6750]  ? __pfx_gfs2_fill_super+0x10/0x10
[  339.417364][ T6750]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  339.417398][ T6750]  gfs2_get_tree+0x51/0x1e0
[  339.417424][ T6750]  vfs_get_tree+0x92/0x2b0
[  339.417452][ T6750]  do_new_mount+0x2a2/0xa30
[  339.417484][ T6750]  ? ns_capable+0x8a/0xf0
[  339.417515][ T6750]  ? __pfx_do_new_mount+0x10/0x10
[  339.417542][ T6750]  ? path_mount+0x61c/0xfe0
[  339.417569][ T6750]  ? user_path_at+0x44/0x60
[  339.417596][ T6750]  __se_sys_mount+0x317/0x410
[  339.417628][ T6750]  ? __pfx___se_sys_mount+0x10/0x10
[  339.417660][ T6750]  ? rcu_is_watching+0x15/0xb0
[  339.417691][ T6750]  ? __x64_sys_mount+0x20/0xc0
[  339.417722][ T6750]  do_syscall_64+0xfa/0xfa0
[  339.417750][ T6750]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.417772][ T6750]  ? clear_bhb_loop+0x60/0xb0
[  339.417798][ T6750]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  339.417821][ T6750] RIP: 0033:0x7ff16439038a
2025/08/24 09:30:46 executed programs: 228
[  339.417841][ T6750] 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
[  339.417862][ T6750] RSP: 002b:00007ffc00526528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.417888][ T6750] RAX: ffffffffffffffda RBX: 00007ffc005265b0 RCX: 00007ff16439038a
[  339.417906][ T6750] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffc00526570
[  339.417922][ T6750] RBP: 000020000001f680 R08: 00007ffc005265b0 R09: 0000000000000094
[  339.417939][ T6750] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[  339.417955][ T6750] R13: 00007ffc00526570 R14: 000000000001f790 R15: 00002000000001c0
[  339.417981][ T6750]  </TASK>
[  339.418005][ T6750] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.419754][   T31]  ? __pfx_gfs2_writepages+0x10/0x10
[  339.461060][ T6750] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.464896][   T31]  do_writepages+0x32e/0x550
[  339.754560][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.759437][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  339.764788][   T31]  filemap_fdatawrite+0x199/0x240
[  339.769852][   T31]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  339.775506][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.780313][   T31]  ? do_raw_spin_unlock+0x122/0x240
[  339.785619][   T31]  gfs2_log_flush+0x966/0x24c0
[  339.790423][   T31]  ? __pfx_gfs2_log_flush+0x10/0x10
[  339.795723][   T31]  ? __pfx___up_read+0x10/0x10
[  339.800520][   T31]  gfs2_trans_end+0x37c/0x570
[  339.805296][   T31]  gfs2_page_mkwrite+0x14a8/0x1910
[  339.810450][   T31]  ? do_page_mkwrite+0x14d/0x310
[  339.815472][   T31]  ? __pfx_gfs2_page_mkwrite+0x10/0x10
[  339.820966][   T31]  ? gfs2_fault+0x19a/0x1f0
[  339.825558][   T31]  ? do_page_mkwrite+0x14d/0x310
[  339.830542][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.835400][   T31]  do_page_mkwrite+0x14d/0x310
[  339.840741][   T31]  __handle_mm_fault+0x1916/0x5400
[  339.845965][   T31]  ? __pfx___handle_mm_fault+0x10/0x10
[  339.851525][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.856344][   T31]  ? lock_vma_under_rcu+0x3cb/0x450
[  339.861703][   T31]  ? __pfx_do_futex+0x10/0x10
[  339.866445][   T31]  ? __pfx_lock_vma_under_rcu+0x10/0x10
[  339.872067][   T31]  handle_mm_fault+0x40a/0x8e0
[  339.876870][   T31]  do_user_addr_fault+0xa81/0x1390
[  339.882087][   T31]  ? rcu_is_watching+0x15/0xb0
[  339.886893][   T31]  ? trace_page_fault_user+0x84/0x1e0
[  339.892380][   T31]  exc_page_fault+0x82/0x100
[  339.897007][   T31]  asm_exc_page_fault+0x26/0x30
[  339.901957][   T31] RIP: 0033:0x7ff8d7655171
[  339.906407][   T31] RSP: 002b:00007ffcc4a8a3d0 EFLAGS: 00010246
[  339.912809][   T31] RAX: 00002000000003c0 RBX: 0000000000000004 RCX: 0000000000000000
[  339.920820][   T31] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 000055557d4103c8
[  339.929188][   T31] RBP: 00007ffcc4a8a4d8 R08: 0000000000000000 R09: 0000000000000000
[  339.937457][   T31] R10: 0000000000000000 R11: 0000000000000000 R12: 00007ff8d79b5fac
[  339.946731][   T31] R13: 00007ff8d79b5fa0 R14: fffffffffffffffe R15: 0000000000000006
[  339.955322][   T31]  </TASK>
[  339.958546][   T31] INFO: lockdep is turned off.
[  339.964005][   T31] NMI backtrace for cpu 0
[  339.964022][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  339.964044][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  339.964058][   T31] Call Trace:
[  339.964066][   T31]  <TASK>
[  339.964075][   T31]  dump_stack_lvl+0x189/0x250
[  339.964105][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  339.964130][   T31]  ? __pfx__printk+0x10/0x10
[  339.964165][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  339.964198][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  339.964231][   T31]  ? __pfx__printk+0x10/0x10
[  339.964261][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  339.964291][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  339.964333][   T31]  watchdog+0xf60/0xfa0
[  339.964361][   T31]  ? watchdog+0x1e2/0xfa0
[  339.964388][   T31]  kthread+0x711/0x8a0
[  339.964411][   T31]  ? __pfx_watchdog+0x10/0x10
[  339.964435][   T31]  ? __pfx_kthread+0x10/0x10
[  339.964456][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  339.964479][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  339.964501][   T31]  ? __pfx_kthread+0x10/0x10
[  339.964522][   T31]  ret_from_fork+0x47c/0x820
[  339.964552][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  339.964586][   T31]  ? __switch_to_asm+0x39/0x70
[  339.964612][   T31]  ? __switch_to_asm+0x33/0x70
[  339.964639][   T31]  ? __pfx_kthread+0x10/0x10
[  339.964661][   T31]  ret_from_fork_asm+0x1a/0x30
[  339.964697][   T31]  </TASK>
[  339.964704][   T31] Sending NMI from CPU 0 to CPUs 1:
[  340.029728][ T6753] loop1: detected capacity change from 0 to 32768
[  340.030531][    C1] NMI backtrace for cpu 1
[  340.030546][    C1] CPU: 1 UID: 0 PID: 6753 Comm: syz.1.243 Not tainted syzkaller #0 PREEMPT(full) 
[  340.030571][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  340.030584][    C1] RIP: 0010:io_serial_in+0x77/0xc0
[  340.030609][    C1] Code: e8 1e 6e 6d fc 44 89 f9 d3 e3 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 cf 17 d1 fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc cc cc 44 89 f9 80 e1 07
[  340.030625][    C1] RSP: 0018:ffffc900049e6978 EFLAGS: 00000006
[  340.030641][    C1] RAX: 1ffffffff3401505 RBX: 00000000000003f9 RCX: 0000000000000000
[  340.030654][    C1] RDX: 00000000000003f9 RSI: 0000000000000000 RDI: 0000000000000020
[  340.030665][    C1] RBP: ffffc900049e6b50 R08: 0000000000000003 R09: 0000000000000004
[  340.030677][    C1] R10: dffffc0000000000 R11: ffffffff85532060 R12: dffffc0000000000
[  340.030691][    C1] R13: dffffc0000000000 R14: ffffffff9a00af20 R15: 0000000000000000
[  340.030704][    C1] FS:  0000555592340500(0000) GS:ffff888125aff000(0000) knlGS:0000000000000000
[  340.030720][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  340.030732][    C1] CR2: 00007ff15c3ff000 CR3: 0000000076050000 CR4: 00000000003526f0
[  340.030748][    C1] Call Trace:
[  340.030755][    C1]  <TASK>
[  340.030763][    C1]  serial8250_console_write+0x581/0x1ba0
[  340.030786][    C1]  ? format_decode+0xd9/0xe30
[  340.030814][    C1]  ? __pfx_serial8250_console_write+0x10/0x10
[  340.030833][    C1]  ? console_flush_all+0x13a/0xc40
[  340.030850][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.030876][    C1]  ? lock_acquire+0x5f/0x360
[  340.030900][    C1]  ? do_raw_spin_unlock+0x122/0x240
[  340.030917][    C1]  ? console_flush_all+0x13a/0xc40
[  340.030933][    C1]  ? console_flush_all+0x13a/0xc40
[  340.030951][    C1]  console_flush_all+0x725/0xc40
[  340.030969][    C1]  ? console_flush_all+0x13a/0xc40
[  340.030988][    C1]  ? __pfx_console_flush_all+0x10/0x10
[  340.031009][    C1]  ? is_printk_cpu_sync_owner+0x32/0x40
[  340.031030][    C1]  console_unlock+0xc4/0x270
[  340.031057][    C1]  ? __pfx_console_unlock+0x10/0x10
[  340.031081][    C1]  ? vprintk_emit+0x444/0x7a0
[  340.031108][    C1]  ? vprintk_emit+0x444/0x7a0
[  340.031137][    C1]  ? vprintk_emit+0x444/0x7a0
[  340.031165][    C1]  vprintk_emit+0x5b7/0x7a0
[  340.031190][    C1]  ? vprintk_emit+0x444/0x7a0
[  340.031216][    C1]  ? __pfx_vprintk_emit+0x10/0x10
[  340.031243][    C1]  ? shmem_huge_global_enabled+0x174/0x3a0
[  340.031269][    C1]  _printk+0xcf/0x120
[  340.031295][    C1]  ? __pfx__printk+0x10/0x10
[  340.031321][    C1]  ? do_raw_spin_unlock+0x122/0x240
[  340.031340][    C1]  set_capacity_and_notify+0x208/0x2d0
[  340.031368][    C1]  ? __pfx_set_capacity_and_notify+0x10/0x10
[  340.031394][    C1]  ? __pfx_internal_create_group+0x10/0x10
[  340.031424][    C1]  loop_set_size+0x44/0xb0
[  340.031449][    C1]  loop_configure+0x9f4/0xe50
[  340.031471][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.031486][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.031514][    C1]  ? __pfx_loop_configure+0x10/0x10
[  340.031544][    C1]  ? __kernel_text_address+0xd/0x40
[  340.031572][    C1]  ? unwind_get_return_address+0x4d/0x90
[  340.031588][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  340.031609][    C1]  lo_ioctl+0x810/0x1b30
[  340.031632][    C1]  ? stack_trace_save+0x9c/0xe0
[  340.031648][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  340.031666][    C1]  ? __pfx_lo_ioctl+0x10/0x10
[  340.031686][    C1]  ? stack_depot_save_flags+0x40/0x860
[  340.031710][    C1]  ? vsnprintf+0xe3a/0xf00
[  340.031736][    C1]  ? kasan_save_track+0x4f/0x80
[  340.031754][    C1]  ? kasan_save_track+0x3e/0x80
[  340.031771][    C1]  ? __kasan_save_free_info+0x46/0x50
[  340.031796][    C1]  ? __kasan_slab_free+0x5b/0x80
[  340.031814][    C1]  ? kfree+0x18e/0x440
[  340.031831][    C1]  ? tomoyo_check_open_permission+0x2c2/0x3b0
[  340.031853][    C1]  ? security_file_open+0xb1/0x270
[  340.031873][    C1]  ? do_dentry_open+0x384/0x13f0
[  340.031898][    C1]  ? vfs_open+0x3b/0x340
[  340.031920][    C1]  ? path_openat+0x2ee5/0x3830
[  340.031937][    C1]  ? do_filp_open+0x1fa/0x410
[  340.031953][    C1]  ? do_sys_openat2+0x121/0x1c0
[  340.031977][    C1]  ? __x64_sys_openat+0x138/0x170
[  340.031992][    C1]  ? do_syscall_64+0xfa/0xfa0
[  340.032012][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.032035][    C1]  ? __mutex_trylock_common+0x153/0x260
[  340.032063][    C1]  ? __pfx___mutex_trylock_common+0x10/0x10
[  340.032091][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.032106][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.032131][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.032147][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.032162][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.032187][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.032203][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.032218][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.032243][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.032258][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.032283][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.032299][    C1]  ? unwind_next_frame+0xa5/0x2390
[  340.032315][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.032339][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  340.032362][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.032387][    C1]  ? rcu_is_watching+0x15/0xb0
[  340.032412][    C1]  ? lock_release+0x4b/0x3e0
[  340.032432][    C1]  ? lock_release+0x4b/0x3e0
[  340.032455][    C1]  ? is_bpf_text_address+0x292/0x2b0
[  340.032477][    C1]  ? is_bpf_text_address+0x26/0x2b0
[  340.032500][    C1]  ? kernel_text_address+0xa5/0xe0
[  340.032522][    C1]  ? __kernel_text_address+0xd/0x40
[  340.032541][    C1]  ? unwind_get_return_address+0x4d/0x90
[  340.032561][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  340.032579][    C1]  ? arch_stack_walk+0xfc/0x150
[  340.032601][    C1]  ? stack_trace_save+0x9c/0xe0
[  340.032618][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  340.032635][    C1]  ? stack_depot_save_flags+0x40/0x860
[  340.032661][    C1]  ? kasan_save_track+0x4f/0x80
[  340.032678][    C1]  ? kasan_save_track+0x3e/0x80
[  340.032695][    C1]  ? __kasan_save_free_info+0x46/0x50
[  340.032720][    C1]  ? __kasan_slab_free+0x5b/0x80
[  340.032738][    C1]  ? kfree+0x18e/0x440
[  340.032754][    C1]  ? tomoyo_path_number_perm+0x47a/0x5a0
[  340.032774][    C1]  ? security_file_ioctl+0xcb/0x2d0
[  340.032793][    C1]  ? __se_sys_ioctl+0x47/0x170
[  340.032808][    C1]  ? do_syscall_64+0xfa/0xfa0
[  340.032828][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.032854][    C1]  ? __asan_memset+0x22/0x50
[  340.032869][    C1]  ? blk_get_meta_cap+0x140/0x710
[  340.032920][    C1]  ? __pfx_blkdev_common_ioctl+0x10/0x10
[  340.032945][    C1]  ? do_vfs_ioctl+0xbe8/0x1430
[  340.032962][    C1]  ? tomoyo_path_number_perm+0x1bc/0x5a0
[  340.032983][    C1]  ? __pfx_do_vfs_ioctl+0x10/0x10
[  340.033014][    C1]  ? __pfx_lo_ioctl+0x10/0x10
[  340.033037][    C1]  blkdev_ioctl+0x5a8/0x6d0
[  340.033062][    C1]  ? __pfx_blkdev_ioctl+0x10/0x10
[  340.033087][    C1]  ? bpf_lsm_file_ioctl+0x9/0x20
[  340.033105][    C1]  ? __pfx_blkdev_ioctl+0x10/0x10
[  340.033129][    C1]  __se_sys_ioctl+0xfc/0x170
[  340.033147][    C1]  do_syscall_64+0xfa/0xfa0
[  340.033167][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.033185][    C1]  ? clear_bhb_loop+0x60/0xb0
[  340.033204][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.033221][    C1] RIP: 0033:0x7ff16438e7eb
[  340.033236][    C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[  340.033251][    C1] RSP: 002b:00007ffc00526480 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  340.033269][    C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff16438e7eb
[  340.033282][    C1] RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
[  340.033292][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000001f78a
[  340.033304][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  340.033316][    C1] R13: 00007ffc005265b0 R14: 00007ffc00526570 R15: 00007ff15b400000
[  340.033336][    C1]  </TASK>
[  340.045921][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  340.045946][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  340.045975][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  340.045991][   T31] Call Trace:
[  340.046002][   T31]  <TASK>
[  340.046013][   T31]  dump_stack_lvl+0x99/0x250
[  340.046048][   T31]  ? __asan_memcpy+0x40/0x70
[  340.046073][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  340.046102][   T31]  ? __pfx__printk+0x10/0x10
[  340.046143][   T31]  vpanic+0x281/0x750
[  340.046172][   T31]  ? __pfx_vpanic+0x10/0x10
[  340.046199][   T31]  ? preempt_schedule+0xae/0xc0
[  340.046227][   T31]  ? preempt_schedule_common+0x83/0xd0
[  340.046257][   T31]  panic+0xb9/0xc0
[  340.046283][   T31]  ? __pfx_panic+0x10/0x10
[  340.046318][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  340.046345][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  340.046382][   T31]  watchdog+0xf9f/0xfa0
[  340.046415][   T31]  ? watchdog+0x1e2/0xfa0
[  340.046445][   T31]  kthread+0x711/0x8a0
[  340.046472][   T31]  ? __pfx_watchdog+0x10/0x10
[  340.046499][   T31]  ? __pfx_kthread+0x10/0x10
[  340.046524][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  340.046550][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  340.046575][   T31]  ? __pfx_kthread+0x10/0x10
[  340.046600][   T31]  ret_from_fork+0x47c/0x820
[  340.046636][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  340.046673][   T31]  ? __switch_to_asm+0x39/0x70
[  340.046705][   T31]  ? __switch_to_asm+0x33/0x70
[  340.046736][   T31]  ? __pfx_kthread+0x10/0x10
[  340.046761][   T31]  ret_from_fork_asm+0x1a/0x30
[  340.046804][   T31]  </TASK>
[  340.048531][   T31] Kernel Offset: disabled