e8 ff ff ff f7 d8 64 89 01 48
[  271.579703][ T4565] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.588118][ T4565] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  271.596094][ T4565] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  271.604066][ T4565] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  271.612029][ T4565] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  271.620115][ T4565] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  271.628263][ T4565]  </TASK>
[  271.637601][ T4565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.651349][ T4565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.002169][ T4566] loop1: detected capacity change from 0 to 32768
[  272.089298][ T4566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.096908][ T4566] CPU: 1 PID: 4566 Comm: syz.1.176 Not tainted syzkaller #0
[  272.104226][ T4566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  272.114312][ T4566] Call Trace:
[  272.117618][ T4566]  <TASK>
[  272.120575][ T4566]  dump_stack_lvl+0x188/0x250
[  272.125275][ T4566]  ? show_regs_print_info+0x20/0x20
[  272.130501][ T4566]  ? load_image+0x400/0x400
[  272.135044][ T4566]  sysfs_create_dir_ns+0x26a/0x290
[  272.140190][ T4566]  ? sysfs_warn_dup+0xa0/0xa0
[  272.144900][ T4566]  ? do_raw_spin_unlock+0x11d/0x230
[  272.150130][ T4566]  kobject_add_internal+0x6e0/0xd90
[  272.155362][ T4566]  kobject_init_and_add+0x128/0x190
[  272.160583][ T4566]  ? lockdep_softirqs_off+0x430/0x430
[  272.165988][ T4566]  ? kobject_add+0x230/0x230
[  272.170616][ T4566]  ? __init_swait_queue_head+0xa5/0x150
[  272.176192][ T4566]  gfs2_sys_fs_add+0x24f/0x4b0
[  272.180981][ T4566]  ? gfs2_recover_set+0x240/0x240
[  272.186026][ T4566]  ? snprintf+0xe5/0x140
[  272.190293][ T4566]  ? __free_pages+0x95/0x1a0
[  272.194921][ T4566]  ? vscnprintf+0x80/0x80
[  272.199292][ T4566]  gfs2_fill_super+0x120f/0x1f00
[  272.204304][ T4566]  ? gfs2_reconfigure+0xd30/0xd30
[  272.209385][ T4566]  ? sb_set_blocksize+0xa5/0xe0
[  272.214262][ T4566]  get_tree_bdev+0x3f1/0x610
[  272.218878][ T4566]  ? gfs2_reconfigure+0xd30/0xd30
[  272.223929][ T4566]  gfs2_get_tree+0x4d/0x1e0
[  272.228465][ T4566]  vfs_get_tree+0x88/0x270
[  272.232908][ T4566]  do_new_mount+0x24a/0xa40
[  272.237434][ T4566]  __se_sys_mount+0x2e3/0x3d0
[  272.242130][ T4566]  ? __x64_sys_mount+0xc0/0xc0
[  272.246913][ T4566]  ? lockdep_hardirqs_on+0x94/0x140
[  272.252138][ T4566]  ? __x64_sys_mount+0x1c/0xc0
[  272.256929][ T4566]  do_syscall_64+0x4c/0xa0
[  272.261358][ T4566]  ? clear_bhb_loop+0x30/0x80
[  272.266047][ T4566]  ? clear_bhb_loop+0x30/0x80
[  272.270721][ T4566]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.276609][ T4566] RIP: 0033:0x7ff98f745f4a
[  272.281015][ T4566] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.300608][ T4566] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.309024][ T4566] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  272.317021][ T4566] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  272.325020][ T4566] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  272.332988][ T4566] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  272.340961][ T4566] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  272.348956][ T4566]  </TASK>
[  272.353894][ T4566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.367212][ T4566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.714784][ T4567] loop1: detected capacity change from 0 to 32768
[  272.777907][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.785371][ T4567] CPU: 1 PID: 4567 Comm: syz.1.177 Not tainted syzkaller #0
[  272.792700][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  272.802780][ T4567] Call Trace:
[  272.806081][ T4567]  <TASK>
[  272.809039][ T4567]  dump_stack_lvl+0x188/0x250
[  272.813751][ T4567]  ? show_regs_print_info+0x20/0x20
[  272.818992][ T4567]  ? load_image+0x400/0x400
[  272.823555][ T4567]  sysfs_create_dir_ns+0x26a/0x290
[  272.828698][ T4567]  ? sysfs_warn_dup+0xa0/0xa0
[  272.833416][ T4567]  ? do_raw_spin_unlock+0x11d/0x230
[  272.838651][ T4567]  kobject_add_internal+0x6e0/0xd90
[  272.843890][ T4567]  kobject_init_and_add+0x128/0x190
[  272.849139][ T4567]  ? lockdep_softirqs_off+0x430/0x430
[  272.854567][ T4567]  ? kobject_add+0x230/0x230
[  272.859194][ T4567]  ? __init_swait_queue_head+0xa5/0x150
[  272.864794][ T4567]  gfs2_sys_fs_add+0x24f/0x4b0
[  272.869595][ T4567]  ? gfs2_recover_set+0x240/0x240
[  272.874647][ T4567]  ? snprintf+0xe5/0x140
[  272.878924][ T4567]  ? __free_pages+0x95/0x1a0
[  272.883544][ T4567]  ? vscnprintf+0x80/0x80
[  272.887917][ T4567]  gfs2_fill_super+0x120f/0x1f00
[  272.892894][ T4567]  ? gfs2_reconfigure+0xd30/0xd30
[  272.897972][ T4567]  ? sb_set_blocksize+0xa5/0xe0
[  272.902846][ T4567]  get_tree_bdev+0x3f1/0x610
[  272.907463][ T4567]  ? gfs2_reconfigure+0xd30/0xd30
[  272.912520][ T4567]  gfs2_get_tree+0x4d/0x1e0
[  272.917054][ T4567]  vfs_get_tree+0x88/0x270
[  272.921537][ T4567]  do_new_mount+0x24a/0xa40
[  272.926077][ T4567]  __se_sys_mount+0x2e3/0x3d0
[  272.930782][ T4567]  ? __x64_sys_mount+0xc0/0xc0
[  272.935579][ T4567]  ? lockdep_hardirqs_on+0x94/0x140
[  272.940807][ T4567]  ? __x64_sys_mount+0x1c/0xc0
[  272.945611][ T4567]  do_syscall_64+0x4c/0xa0
[  272.950049][ T4567]  ? clear_bhb_loop+0x30/0x80
[  272.954846][ T4567]  ? clear_bhb_loop+0x30/0x80
[  272.959547][ T4567]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.965462][ T4567] RIP: 0033:0x7ff98f745f4a
[  272.969981][ T4567] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.989736][ T4567] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.998183][ T4567] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  273.006181][ T4567] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  273.014268][ T4567] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  273.022264][ T4567] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  273.030277][ T4567] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  273.038292][ T4567]  </TASK>
[  273.043276][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.056707][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.407107][ T4568] loop1: detected capacity change from 0 to 32768
[  273.451064][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.459689][ T4568] CPU: 0 PID: 4568 Comm: syz.1.178 Not tainted syzkaller #0
[  273.467006][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  273.477080][ T4568] Call Trace:
[  273.480378][ T4568]  <TASK>
[  273.483366][ T4568]  dump_stack_lvl+0x188/0x250
[  273.488121][ T4568]  ? show_regs_print_info+0x20/0x20
[  273.493352][ T4568]  ? load_image+0x400/0x400
[  273.497895][ T4568]  sysfs_create_dir_ns+0x26a/0x290
[  273.503034][ T4568]  ? sysfs_warn_dup+0xa0/0xa0
[  273.507732][ T4568]  ? do_raw_spin_unlock+0x11d/0x230
[  273.512962][ T4568]  kobject_add_internal+0x6e0/0xd90
[  273.518201][ T4568]  kobject_init_and_add+0x128/0x190
[  273.523445][ T4568]  ? lockdep_softirqs_off+0x430/0x430
[  273.528849][ T4568]  ? kobject_add+0x230/0x230
[  273.533497][ T4568]  ? __init_swait_queue_head+0xa5/0x150
[  273.539079][ T4568]  gfs2_sys_fs_add+0x24f/0x4b0
[  273.543895][ T4568]  ? gfs2_recover_set+0x240/0x240
[  273.548958][ T4568]  ? snprintf+0xe5/0x140
[  273.553238][ T4568]  ? __free_pages+0x95/0x1a0
[  273.557850][ T4568]  ? vscnprintf+0x80/0x80
[  273.562214][ T4568]  gfs2_fill_super+0x120f/0x1f00
[  273.567195][ T4568]  ? gfs2_reconfigure+0xd30/0xd30
[  273.572258][ T4568]  ? sb_set_blocksize+0xa5/0xe0
[  273.577142][ T4568]  get_tree_bdev+0x3f1/0x610
[  273.581765][ T4568]  ? gfs2_reconfigure+0xd30/0xd30
[  273.586821][ T4568]  gfs2_get_tree+0x4d/0x1e0
[  273.591381][ T4568]  vfs_get_tree+0x88/0x270
[  273.595836][ T4568]  do_new_mount+0x24a/0xa40
[  273.600525][ T4568]  __se_sys_mount+0x2e3/0x3d0
[  273.605241][ T4568]  ? __x64_sys_mount+0xc0/0xc0
[  273.610054][ T4568]  ? lockdep_hardirqs_on+0x94/0x140
[  273.615291][ T4568]  ? __x64_sys_mount+0x1c/0xc0
[  273.620094][ T4568]  do_syscall_64+0x4c/0xa0
[  273.624538][ T4568]  ? clear_bhb_loop+0x30/0x80
[  273.629239][ T4568]  ? clear_bhb_loop+0x30/0x80
[  273.633943][ T4568]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  273.639901][ T4568] RIP: 0033:0x7ff98f745f4a
[  273.644346][ T4568] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  273.663979][ T4568] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.672424][ T4568] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  273.680427][ T4568] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  273.688427][ T4568] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  273.696416][ T4568] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  273.704407][ T4568] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  273.712411][ T4568]  </TASK>
[  273.719815][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.733206][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 10:32:46 executed programs: 164
[  274.076758][ T4569] loop1: detected capacity change from 0 to 32768
[  274.146374][ T4569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.154423][ T4569] CPU: 0 PID: 4569 Comm: syz.1.179 Not tainted syzkaller #0
[  274.161751][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  274.171834][ T4569] Call Trace:
[  274.175141][ T4569]  <TASK>
[  274.178100][ T4569]  dump_stack_lvl+0x188/0x250
[  274.182812][ T4569]  ? show_regs_print_info+0x20/0x20
[  274.188035][ T4569]  ? load_image+0x400/0x400
[  274.192583][ T4569]  sysfs_create_dir_ns+0x26a/0x290
[  274.197716][ T4569]  ? sysfs_warn_dup+0xa0/0xa0
[  274.202431][ T4569]  ? do_raw_spin_unlock+0x11d/0x230
[  274.207685][ T4569]  kobject_add_internal+0x6e0/0xd90
[  274.212918][ T4569]  kobject_init_and_add+0x128/0x190
[  274.218158][ T4569]  ? lockdep_softirqs_off+0x430/0x430
[  274.223570][ T4569]  ? kobject_add+0x230/0x230
[  274.228202][ T4569]  ? __init_swait_queue_head+0xa5/0x150
[  274.233792][ T4569]  gfs2_sys_fs_add+0x24f/0x4b0
[  274.238586][ T4569]  ? gfs2_recover_set+0x240/0x240
[  274.243644][ T4569]  ? snprintf+0xe5/0x140
[  274.247933][ T4569]  ? __free_pages+0x95/0x1a0
[  274.252553][ T4569]  ? vscnprintf+0x80/0x80
[  274.256947][ T4569]  gfs2_fill_super+0x120f/0x1f00
[  274.261927][ T4569]  ? gfs2_reconfigure+0xd30/0xd30
[  274.266998][ T4569]  ? sb_set_blocksize+0xa5/0xe0
[  274.271870][ T4569]  get_tree_bdev+0x3f1/0x610
[  274.276482][ T4569]  ? gfs2_reconfigure+0xd30/0xd30
[  274.281532][ T4569]  gfs2_get_tree+0x4d/0x1e0
[  274.286057][ T4569]  vfs_get_tree+0x88/0x270
[  274.290498][ T4569]  do_new_mount+0x24a/0xa40
[  274.295046][ T4569]  __se_sys_mount+0x2e3/0x3d0
[  274.299765][ T4569]  ? __x64_sys_mount+0xc0/0xc0
[  274.304558][ T4569]  ? lockdep_hardirqs_on+0x94/0x140
[  274.309794][ T4569]  ? __x64_sys_mount+0x1c/0xc0
[  274.314586][ T4569]  do_syscall_64+0x4c/0xa0
[  274.319050][ T4569]  ? clear_bhb_loop+0x30/0x80
[  274.323747][ T4569]  ? clear_bhb_loop+0x30/0x80
[  274.328441][ T4569]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.334356][ T4569] RIP: 0033:0x7ff98f745f4a
[  274.338805][ T4569] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.358431][ T4569] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.366875][ T4569] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  274.374872][ T4569] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  274.382862][ T4569] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  274.390852][ T4569] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  274.398859][ T4569] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  274.406876][ T4569]  </TASK>
[  274.412681][ T4569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.426031][ T4569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.769526][ T4570] loop1: detected capacity change from 0 to 32768
[  274.821866][ T4570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.829500][ T4570] CPU: 1 PID: 4570 Comm: syz.1.180 Not tainted syzkaller #0
[  274.836821][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  274.846901][ T4570] Call Trace:
[  274.850213][ T4570]  <TASK>
[  274.853173][ T4570]  dump_stack_lvl+0x188/0x250
[  274.857883][ T4570]  ? show_regs_print_info+0x20/0x20
[  274.863111][ T4570]  ? load_image+0x400/0x400
[  274.867653][ T4570]  sysfs_create_dir_ns+0x26a/0x290
[  274.872804][ T4570]  ? sysfs_warn_dup+0xa0/0xa0
[  274.877511][ T4570]  ? do_raw_spin_unlock+0x11d/0x230
[  274.882738][ T4570]  kobject_add_internal+0x6e0/0xd90
[  274.887969][ T4570]  kobject_init_and_add+0x128/0x190
[  274.893190][ T4570]  ? lockdep_softirqs_off+0x430/0x430
[  274.898592][ T4570]  ? kobject_add+0x230/0x230
[  274.903212][ T4570]  ? __init_swait_queue_head+0xa5/0x150
[  274.908798][ T4570]  gfs2_sys_fs_add+0x24f/0x4b0
[  274.913594][ T4570]  ? gfs2_recover_set+0x240/0x240
[  274.918652][ T4570]  ? snprintf+0xe5/0x140
[  274.922927][ T4570]  ? __free_pages+0x95/0x1a0
[  274.927545][ T4570]  ? vscnprintf+0x80/0x80
[  274.931912][ T4570]  gfs2_fill_super+0x120f/0x1f00
[  274.936886][ T4570]  ? gfs2_reconfigure+0xd30/0xd30
[  274.941952][ T4570]  ? sb_set_blocksize+0xa5/0xe0
[  274.946828][ T4570]  get_tree_bdev+0x3f1/0x610
[  274.951443][ T4570]  ? gfs2_reconfigure+0xd30/0xd30
[  274.956490][ T4570]  gfs2_get_tree+0x4d/0x1e0
[  274.961017][ T4570]  vfs_get_tree+0x88/0x270
[  274.965457][ T4570]  do_new_mount+0x24a/0xa40
[  274.969995][ T4570]  __se_sys_mount+0x2e3/0x3d0
[  274.974699][ T4570]  ? __x64_sys_mount+0xc0/0xc0
[  274.979493][ T4570]  ? lockdep_hardirqs_on+0x94/0x140
[  274.984714][ T4570]  ? __x64_sys_mount+0x1c/0xc0
[  274.989509][ T4570]  do_syscall_64+0x4c/0xa0
[  274.993950][ T4570]  ? clear_bhb_loop+0x30/0x80
[  274.998672][ T4570]  ? clear_bhb_loop+0x30/0x80
[  275.003374][ T4570]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.009299][ T4570] RIP: 0033:0x7ff98f745f4a
[  275.013738][ T4570] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.033376][ T4570] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.041826][ T4570] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  275.049833][ T4570] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  275.057923][ T4570] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  275.065918][ T4570] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  275.073925][ T4570] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  275.081953][ T4570]  </TASK>
[  275.089249][ T4570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.102720][ T4570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.348503][ T4571] loop1: detected capacity change from 0 to 32768
[  275.428005][ T4571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.435463][ T4571] CPU: 1 PID: 4571 Comm: syz.1.181 Not tainted syzkaller #0
[  275.442772][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  275.452852][ T4571] Call Trace:
[  275.456166][ T4571]  <TASK>
[  275.459119][ T4571]  dump_stack_lvl+0x188/0x250
[  275.463828][ T4571]  ? show_regs_print_info+0x20/0x20
[  275.469052][ T4571]  ? load_image+0x400/0x400
[  275.473634][ T4571]  sysfs_create_dir_ns+0x26a/0x290
[  275.478778][ T4571]  ? sysfs_warn_dup+0xa0/0xa0
[  275.483483][ T4571]  ? do_raw_spin_unlock+0x11d/0x230
[  275.488712][ T4571]  kobject_add_internal+0x6e0/0xd90
[  275.493947][ T4571]  kobject_init_and_add+0x128/0x190
[  275.499185][ T4571]  ? lockdep_softirqs_off+0x430/0x430
[  275.504617][ T4571]  ? kobject_add+0x230/0x230
[  275.509243][ T4571]  ? __init_swait_queue_head+0xa5/0x150
[  275.514823][ T4571]  gfs2_sys_fs_add+0x24f/0x4b0
[  275.519616][ T4571]  ? gfs2_recover_set+0x240/0x240
[  275.524673][ T4571]  ? snprintf+0xe5/0x140
[  275.529063][ T4571]  ? __free_pages+0x95/0x1a0
[  275.533716][ T4571]  ? vscnprintf+0x80/0x80
[  275.538104][ T4571]  gfs2_fill_super+0x120f/0x1f00
[  275.543089][ T4571]  ? gfs2_reconfigure+0xd30/0xd30
[  275.548163][ T4571]  ? sb_set_blocksize+0xa5/0xe0
[  275.553061][ T4571]  get_tree_bdev+0x3f1/0x610
[  275.557687][ T4571]  ? gfs2_reconfigure+0xd30/0xd30
[  275.562897][ T4571]  gfs2_get_tree+0x4d/0x1e0
[  275.567436][ T4571]  vfs_get_tree+0x88/0x270
[  275.571877][ T4571]  do_new_mount+0x24a/0xa40
[  275.576413][ T4571]  __se_sys_mount+0x2e3/0x3d0
[  275.581123][ T4571]  ? __x64_sys_mount+0xc0/0xc0
[  275.585920][ T4571]  ? lockdep_hardirqs_on+0x94/0x140
[  275.591147][ T4571]  ? __x64_sys_mount+0x1c/0xc0
[  275.595942][ T4571]  do_syscall_64+0x4c/0xa0
[  275.600384][ T4571]  ? clear_bhb_loop+0x30/0x80
[  275.605058][ T4571]  ? clear_bhb_loop+0x30/0x80
[  275.609746][ T4571]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.615635][ T4571] RIP: 0033:0x7ff98f745f4a
[  275.620051][ T4571] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.639673][ T4571] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.648302][ T4571] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  275.656284][ T4571] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  275.664301][ T4571] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  275.672289][ T4571] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  275.680258][ T4571] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  275.688245][ T4571]  </TASK>
[  275.693086][ T4571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.706409][ T4571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.072081][ T4572] loop1: detected capacity change from 0 to 32768
[  276.128951][ T4572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.137878][ T4572] CPU: 1 PID: 4572 Comm: syz.1.182 Not tainted syzkaller #0
[  276.145209][ T4572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.155287][ T4572] Call Trace:
[  276.158590][ T4572]  <TASK>
[  276.161567][ T4572]  dump_stack_lvl+0x188/0x250
[  276.166276][ T4572]  ? show_regs_print_info+0x20/0x20
[  276.171511][ T4572]  ? load_image+0x400/0x400
[  276.176054][ T4572]  sysfs_create_dir_ns+0x26a/0x290
[  276.181198][ T4572]  ? sysfs_warn_dup+0xa0/0xa0
[  276.185905][ T4572]  ? do_raw_spin_unlock+0x11d/0x230
[  276.191137][ T4572]  kobject_add_internal+0x6e0/0xd90
[  276.196373][ T4572]  kobject_init_and_add+0x128/0x190
[  276.201597][ T4572]  ? lockdep_softirqs_off+0x430/0x430
[  276.207005][ T4572]  ? kobject_add+0x230/0x230
[  276.211779][ T4572]  ? __init_swait_queue_head+0xa5/0x150
[  276.217365][ T4572]  gfs2_sys_fs_add+0x24f/0x4b0
[  276.222164][ T4572]  ? gfs2_recover_set+0x240/0x240
[  276.227212][ T4572]  ? snprintf+0xe5/0x140
[  276.231483][ T4572]  ? __free_pages+0x95/0x1a0
[  276.236100][ T4572]  ? vscnprintf+0x80/0x80
[  276.240465][ T4572]  gfs2_fill_super+0x120f/0x1f00
[  276.245440][ T4572]  ? gfs2_reconfigure+0xd30/0xd30
[  276.250504][ T4572]  ? sb_set_blocksize+0xa5/0xe0
[  276.255384][ T4572]  get_tree_bdev+0x3f1/0x610
[  276.260016][ T4572]  ? gfs2_reconfigure+0xd30/0xd30
[  276.265067][ T4572]  gfs2_get_tree+0x4d/0x1e0
[  276.269599][ T4572]  vfs_get_tree+0x88/0x270
[  276.274040][ T4572]  do_new_mount+0x24a/0xa40
[  276.278597][ T4572]  __se_sys_mount+0x2e3/0x3d0
[  276.283313][ T4572]  ? __x64_sys_mount+0xc0/0xc0
[  276.288105][ T4572]  ? lockdep_hardirqs_on+0x94/0x140
[  276.293334][ T4572]  ? __x64_sys_mount+0x1c/0xc0
[  276.298129][ T4572]  do_syscall_64+0x4c/0xa0
[  276.302570][ T4572]  ? clear_bhb_loop+0x30/0x80
[  276.307270][ T4572]  ? clear_bhb_loop+0x30/0x80
[  276.311981][ T4572]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.317911][ T4572] RIP: 0033:0x7ff98f745f4a
[  276.322350][ T4572] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.341983][ T4572] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.350428][ T4572] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  276.358434][ T4572] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  276.366429][ T4572] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  276.374433][ T4572] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  276.382426][ T4572] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  276.390434][ T4572]  </TASK>
[  276.400897][ T4572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.414183][ T4572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.715318][ T4573] loop1: detected capacity change from 0 to 32768
[  276.767657][ T4573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.775122][ T4573] CPU: 0 PID: 4573 Comm: syz.1.183 Not tainted syzkaller #0
[  276.782466][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.792549][ T4573] Call Trace:
[  276.795846][ T4573]  <TASK>
[  276.798808][ T4573]  dump_stack_lvl+0x188/0x250
[  276.803513][ T4573]  ? show_regs_print_info+0x20/0x20
[  276.808831][ T4573]  ? load_image+0x400/0x400
[  276.813387][ T4573]  sysfs_create_dir_ns+0x26a/0x290
[  276.818534][ T4573]  ? sysfs_warn_dup+0xa0/0xa0
[  276.823239][ T4573]  ? do_raw_spin_unlock+0x11d/0x230
[  276.828465][ T4573]  kobject_add_internal+0x6e0/0xd90
[  276.833700][ T4573]  kobject_init_and_add+0x128/0x190
[  276.838921][ T4573]  ? lockdep_softirqs_off+0x430/0x430
[  276.844326][ T4573]  ? kobject_add+0x230/0x230
[  276.848950][ T4573]  ? __init_swait_queue_head+0xa5/0x150
[  276.854531][ T4573]  gfs2_sys_fs_add+0x24f/0x4b0
[  276.859326][ T4573]  ? gfs2_recover_set+0x240/0x240
[  276.864385][ T4573]  ? snprintf+0xe5/0x140
[  276.868657][ T4573]  ? __free_pages+0x95/0x1a0
[  276.873290][ T4573]  ? vscnprintf+0x80/0x80
[  276.877653][ T4573]  gfs2_fill_super+0x120f/0x1f00
[  276.882629][ T4573]  ? gfs2_reconfigure+0xd30/0xd30
[  276.887692][ T4573]  ? sb_set_blocksize+0xa5/0xe0
[  276.892558][ T4573]  get_tree_bdev+0x3f1/0x610
[  276.897169][ T4573]  ? gfs2_reconfigure+0xd30/0xd30
[  276.902223][ T4573]  gfs2_get_tree+0x4d/0x1e0
[  276.906756][ T4573]  vfs_get_tree+0x88/0x270
[  276.911211][ T4573]  do_new_mount+0x24a/0xa40
[  276.915794][ T4573]  __se_sys_mount+0x2e3/0x3d0
[  276.920513][ T4573]  ? __x64_sys_mount+0xc0/0xc0
[  276.925305][ T4573]  ? lockdep_hardirqs_on+0x94/0x140
[  276.930527][ T4573]  ? __x64_sys_mount+0x1c/0xc0
[  276.935324][ T4573]  do_syscall_64+0x4c/0xa0
[  276.939757][ T4573]  ? clear_bhb_loop+0x30/0x80
[  276.944456][ T4573]  ? clear_bhb_loop+0x30/0x80
[  276.949162][ T4573]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.955076][ T4573] RIP: 0033:0x7ff98f745f4a
[  276.959540][ T4573] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.979164][ T4573] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.987603][ T4573] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  276.995596][ T4573] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  277.003591][ T4573] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  277.011588][ T4573] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  277.019579][ T4573] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  277.027598][ T4573]  </TASK>
[  277.032858][ T4573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.046298][ T4573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.374352][ T4574] loop1: detected capacity change from 0 to 32768
[  277.440647][ T4574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.448799][ T4574] CPU: 0 PID: 4574 Comm: syz.1.184 Not tainted syzkaller #0
[  277.456136][ T4574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  277.466226][ T4574] Call Trace:
[  277.469527][ T4574]  <TASK>
[  277.472484][ T4574]  dump_stack_lvl+0x188/0x250
[  277.477199][ T4574]  ? show_regs_print_info+0x20/0x20
[  277.482428][ T4574]  ? load_image+0x400/0x400
[  277.486971][ T4574]  sysfs_create_dir_ns+0x26a/0x290
[  277.492126][ T4574]  ? sysfs_warn_dup+0xa0/0xa0
[  277.496834][ T4574]  ? do_raw_spin_unlock+0x11d/0x230
[  277.502061][ T4574]  kobject_add_internal+0x6e0/0xd90
[  277.507293][ T4574]  kobject_init_and_add+0x128/0x190
[  277.512511][ T4574]  ? lockdep_softirqs_off+0x430/0x430
[  277.517956][ T4574]  ? kobject_add+0x230/0x230
[  277.522593][ T4574]  ? __init_swait_queue_head+0xa5/0x150
[  277.528170][ T4574]  gfs2_sys_fs_add+0x24f/0x4b0
[  277.533007][ T4574]  ? gfs2_recover_set+0x240/0x240
[  277.538071][ T4574]  ? snprintf+0xe5/0x140
[  277.542346][ T4574]  ? __free_pages+0x95/0x1a0
[  277.546974][ T4574]  ? vscnprintf+0x80/0x80
[  277.551349][ T4574]  gfs2_fill_super+0x120f/0x1f00
[  277.556341][ T4574]  ? gfs2_reconfigure+0xd30/0xd30
[  277.561406][ T4574]  ? sb_set_blocksize+0xa5/0xe0
[  277.566281][ T4574]  get_tree_bdev+0x3f1/0x610
[  277.570904][ T4574]  ? gfs2_reconfigure+0xd30/0xd30
[  277.575954][ T4574]  gfs2_get_tree+0x4d/0x1e0
[  277.580480][ T4574]  vfs_get_tree+0x88/0x270
[  277.584920][ T4574]  do_new_mount+0x24a/0xa40
[  277.589462][ T4574]  __se_sys_mount+0x2e3/0x3d0
[  277.594180][ T4574]  ? __x64_sys_mount+0xc0/0xc0
[  277.598993][ T4574]  ? lockdep_hardirqs_on+0x94/0x140
[  277.604225][ T4574]  ? __x64_sys_mount+0x1c/0xc0
[  277.609020][ T4574]  do_syscall_64+0x4c/0xa0
[  277.613457][ T4574]  ? clear_bhb_loop+0x30/0x80
[  277.618154][ T4574]  ? clear_bhb_loop+0x30/0x80
[  277.622850][ T4574]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  277.628768][ T4574] RIP: 0033:0x7ff98f745f4a
[  277.633236][ T4574] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  277.652868][ T4574] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.661311][ T4574] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  277.669324][ T4574] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  277.677349][ T4574] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  277.685346][ T4574] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  277.693340][ T4574] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  277.701365][ T4574]  </TASK>
[  277.709199][ T4574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.722423][ T4574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.088339][ T4575] loop1: detected capacity change from 0 to 32768
[  278.135464][ T4575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.143213][ T4575] CPU: 1 PID: 4575 Comm: syz.1.185 Not tainted syzkaller #0
[  278.150532][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.160615][ T4575] Call Trace:
[  278.163952][ T4575]  <TASK>
[  278.166941][ T4575]  dump_stack_lvl+0x188/0x250
[  278.171650][ T4575]  ? show_regs_print_info+0x20/0x20
[  278.176885][ T4575]  ? load_image+0x400/0x400
[  278.181439][ T4575]  sysfs_create_dir_ns+0x26a/0x290
[  278.186588][ T4575]  ? sysfs_warn_dup+0xa0/0xa0
[  278.191301][ T4575]  ? do_raw_spin_unlock+0x11d/0x230
[  278.196540][ T4575]  kobject_add_internal+0x6e0/0xd90
[  278.201772][ T4575]  kobject_init_and_add+0x128/0x190
[  278.206999][ T4575]  ? lockdep_softirqs_off+0x430/0x430
[  278.212404][ T4575]  ? kobject_add+0x230/0x230
[  278.217030][ T4575]  ? __init_swait_queue_head+0xa5/0x150
[  278.222612][ T4575]  gfs2_sys_fs_add+0x24f/0x4b0
[  278.227396][ T4575]  ? gfs2_recover_set+0x240/0x240
[  278.232437][ T4575]  ? snprintf+0xe5/0x140
[  278.236708][ T4575]  ? __free_pages+0x95/0x1a0
[  278.241469][ T4575]  ? vscnprintf+0x80/0x80
[  278.245838][ T4575]  gfs2_fill_super+0x120f/0x1f00
[  278.250827][ T4575]  ? gfs2_reconfigure+0xd30/0xd30
[  278.255911][ T4575]  ? sb_set_blocksize+0xa5/0xe0
[  278.260791][ T4575]  get_tree_bdev+0x3f1/0x610
[  278.265405][ T4575]  ? gfs2_reconfigure+0xd30/0xd30
[  278.270548][ T4575]  gfs2_get_tree+0x4d/0x1e0
[  278.275084][ T4575]  vfs_get_tree+0x88/0x270
[  278.279543][ T4575]  do_new_mount+0x24a/0xa40
[  278.284088][ T4575]  __se_sys_mount+0x2e3/0x3d0
[  278.288796][ T4575]  ? __x64_sys_mount+0xc0/0xc0
[  278.293594][ T4575]  ? lockdep_hardirqs_on+0x94/0x140
[  278.298818][ T4575]  ? __x64_sys_mount+0x1c/0xc0
[  278.303611][ T4575]  do_syscall_64+0x4c/0xa0
[  278.308048][ T4575]  ? clear_bhb_loop+0x30/0x80
[  278.312748][ T4575]  ? clear_bhb_loop+0x30/0x80
[  278.317457][ T4575]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  278.323371][ T4575] RIP: 0033:0x7ff98f745f4a
[  278.327817][ T4575] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  278.347447][ T4575] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.355922][ T4575] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  278.363924][ T4575] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  278.371941][ T4575] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  278.379909][ T4575] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  278.387881][ T4575] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  278.395864][ T4575]  </TASK>
[  278.402282][ T4575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.415436][ T4575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.800449][ T4576] loop1: detected capacity change from 0 to 32768
[  278.851815][ T4576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.864896][ T4576] CPU: 0 PID: 4576 Comm: syz.1.186 Not tainted syzkaller #0
[  278.872232][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.882311][ T4576] Call Trace:
[  278.885622][ T4576]  <TASK>
[  278.888580][ T4576]  dump_stack_lvl+0x188/0x250
[  278.893296][ T4576]  ? show_regs_print_info+0x20/0x20
[  278.898543][ T4576]  ? load_image+0x400/0x400
[  278.903091][ T4576]  sysfs_create_dir_ns+0x26a/0x290
[  278.908232][ T4576]  ? sysfs_warn_dup+0xa0/0xa0
[  278.912942][ T4576]  ? do_raw_spin_unlock+0x11d/0x230
[  278.918168][ T4576]  kobject_add_internal+0x6e0/0xd90
[  278.923401][ T4576]  kobject_init_and_add+0x128/0x190
[  278.928620][ T4576]  ? lockdep_softirqs_off+0x430/0x430
[  278.934049][ T4576]  ? kobject_add+0x230/0x230
[  278.938674][ T4576]  ? __init_swait_queue_head+0xa5/0x150
[  278.944263][ T4576]  gfs2_sys_fs_add+0x24f/0x4b0
[  278.949155][ T4576]  ? gfs2_recover_set+0x240/0x240
[  278.954209][ T4576]  ? snprintf+0xe5/0x140
[  278.958478][ T4576]  ? __free_pages+0x95/0x1a0
[  278.963095][ T4576]  ? vscnprintf+0x80/0x80
[  278.967487][ T4576]  gfs2_fill_super+0x120f/0x1f00
[  278.972466][ T4576]  ? gfs2_reconfigure+0xd30/0xd30
[  278.977538][ T4576]  ? sb_set_blocksize+0xa5/0xe0
[  278.982419][ T4576]  get_tree_bdev+0x3f1/0x610
[  278.987036][ T4576]  ? gfs2_reconfigure+0xd30/0xd30
[  278.992090][ T4576]  gfs2_get_tree+0x4d/0x1e0
[  278.996623][ T4576]  vfs_get_tree+0x88/0x270
[  279.001062][ T4576]  do_new_mount+0x24a/0xa40
[  279.005598][ T4576]  __se_sys_mount+0x2e3/0x3d0
[  279.010310][ T4576]  ? __x64_sys_mount+0xc0/0xc0
[  279.015117][ T4576]  ? lockdep_hardirqs_on+0x94/0x140
[  279.020340][ T4576]  ? __x64_sys_mount+0x1c/0xc0
[  279.025134][ T4576]  do_syscall_64+0x4c/0xa0
[  279.029569][ T4576]  ? clear_bhb_loop+0x30/0x80
[  279.034271][ T4576]  ? clear_bhb_loop+0x30/0x80
[  279.038970][ T4576]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.044888][ T4576] RIP: 0033:0x7ff98f745f4a
[  279.049327][ T4576] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  279.068962][ T4576] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.077415][ T4576] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  279.085418][ T4576] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  279.093412][ T4576] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  279.101411][ T4576] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  279.109412][ T4576] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  279.117421][ T4576]  </TASK>
[  279.125405][ T4576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.140627][ T4576] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 10:32:52 executed programs: 172
[  279.387144][ T4577] loop1: detected capacity change from 0 to 32768
[  279.437085][ T4577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.444643][ T4577] CPU: 0 PID: 4577 Comm: syz.1.187 Not tainted syzkaller #0
[  279.451965][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.462042][ T4577] Call Trace:
[  279.465346][ T4577]  <TASK>
[  279.468340][ T4577]  dump_stack_lvl+0x188/0x250
[  279.473054][ T4577]  ? show_regs_print_info+0x20/0x20
[  279.478285][ T4577]  ? load_image+0x400/0x400
[  279.482860][ T4577]  sysfs_create_dir_ns+0x26a/0x290
[  279.488001][ T4577]  ? sysfs_warn_dup+0xa0/0xa0
[  279.492708][ T4577]  ? do_raw_spin_unlock+0x11d/0x230
[  279.497942][ T4577]  kobject_add_internal+0x6e0/0xd90
[  279.503171][ T4577]  kobject_init_and_add+0x128/0x190
[  279.508396][ T4577]  ? lockdep_softirqs_off+0x430/0x430
[  279.513804][ T4577]  ? kobject_add+0x230/0x230
[  279.518428][ T4577]  ? __init_swait_queue_head+0xa5/0x150
[  279.524020][ T4577]  gfs2_sys_fs_add+0x24f/0x4b0
[  279.528818][ T4577]  ? gfs2_recover_set+0x240/0x240
[  279.533862][ T4577]  ? snprintf+0xe5/0x140
[  279.538133][ T4577]  ? __free_pages+0x95/0x1a0
[  279.542763][ T4577]  ? vscnprintf+0x80/0x80
[  279.547157][ T4577]  gfs2_fill_super+0x120f/0x1f00
[  279.552139][ T4577]  ? gfs2_reconfigure+0xd30/0xd30
[  279.557296][ T4577]  ? sb_set_blocksize+0xa5/0xe0
[  279.562165][ T4577]  get_tree_bdev+0x3f1/0x610
[  279.566784][ T4577]  ? gfs2_reconfigure+0xd30/0xd30
[  279.571840][ T4577]  gfs2_get_tree+0x4d/0x1e0
[  279.576374][ T4577]  vfs_get_tree+0x88/0x270
[  279.580843][ T4577]  do_new_mount+0x24a/0xa40
[  279.585409][ T4577]  __se_sys_mount+0x2e3/0x3d0
[  279.590126][ T4577]  ? __x64_sys_mount+0xc0/0xc0
[  279.594924][ T4577]  ? lockdep_hardirqs_on+0x94/0x140
[  279.600144][ T4577]  ? __x64_sys_mount+0x1c/0xc0
[  279.604936][ T4577]  do_syscall_64+0x4c/0xa0
[  279.609402][ T4577]  ? clear_bhb_loop+0x30/0x80
[  279.614102][ T4577]  ? clear_bhb_loop+0x30/0x80
[  279.618812][ T4577]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.624745][ T4577] RIP: 0033:0x7ff98f745f4a
[  279.629188][ T4577] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  279.648907][ T4577] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.657361][ T4577] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  279.665384][ T4577] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  279.673385][ T4577] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  279.681379][ T4577] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  279.689378][ T4577] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  279.697389][ T4577]  </TASK>
[  279.704749][ T4577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.718248][ T4577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.077946][ T4578] loop1: detected capacity change from 0 to 32768
[  280.122542][ T4578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.131609][ T4578] CPU: 1 PID: 4578 Comm: syz.1.188 Not tainted syzkaller #0
[  280.138936][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.149013][ T4578] Call Trace:
[  280.152308][ T4578]  <TASK>
[  280.155248][ T4578]  dump_stack_lvl+0x188/0x250
[  280.159955][ T4578]  ? show_regs_print_info+0x20/0x20
[  280.165179][ T4578]  ? load_image+0x400/0x400
[  280.169726][ T4578]  sysfs_create_dir_ns+0x26a/0x290
[  280.174873][ T4578]  ? sysfs_warn_dup+0xa0/0xa0
[  280.179584][ T4578]  ? do_raw_spin_unlock+0x11d/0x230
[  280.184831][ T4578]  kobject_add_internal+0x6e0/0xd90
[  280.190064][ T4578]  kobject_init_and_add+0x128/0x190
[  280.195287][ T4578]  ? lockdep_softirqs_off+0x430/0x430
[  280.200708][ T4578]  ? kobject_add+0x230/0x230
[  280.205334][ T4578]  ? __init_swait_queue_head+0xa5/0x150
[  280.210915][ T4578]  gfs2_sys_fs_add+0x24f/0x4b0
[  280.215707][ T4578]  ? gfs2_recover_set+0x240/0x240
[  280.220768][ T4578]  ? snprintf+0xe5/0x140
[  280.225039][ T4578]  ? __free_pages+0x95/0x1a0
[  280.229663][ T4578]  ? vscnprintf+0x80/0x80
[  280.234050][ T4578]  gfs2_fill_super+0x120f/0x1f00
[  280.239028][ T4578]  ? gfs2_reconfigure+0xd30/0xd30
[  280.244107][ T4578]  ? sb_set_blocksize+0xa5/0xe0
[  280.248988][ T4578]  get_tree_bdev+0x3f1/0x610
[  280.253600][ T4578]  ? gfs2_reconfigure+0xd30/0xd30
[  280.258647][ T4578]  gfs2_get_tree+0x4d/0x1e0
[  280.263265][ T4578]  vfs_get_tree+0x88/0x270
[  280.267712][ T4578]  do_new_mount+0x24a/0xa40
[  280.272274][ T4578]  __se_sys_mount+0x2e3/0x3d0
[  280.276984][ T4578]  ? __x64_sys_mount+0xc0/0xc0
[  280.281781][ T4578]  ? lockdep_hardirqs_on+0x94/0x140
[  280.286995][ T4578]  ? __x64_sys_mount+0x1c/0xc0
[  280.291794][ T4578]  do_syscall_64+0x4c/0xa0
[  280.296232][ T4578]  ? clear_bhb_loop+0x30/0x80
[  280.300930][ T4578]  ? clear_bhb_loop+0x30/0x80
[  280.305626][ T4578]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  280.311548][ T4578] RIP: 0033:0x7ff98f745f4a
[  280.315995][ T4578] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.335629][ T4578] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.344081][ T4578] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  280.352085][ T4578] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  280.360088][ T4578] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  280.368094][ T4578] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  280.376095][ T4578] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  280.384371][ T4578]  </TASK>
[  280.393485][ T4578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.407355][ T4578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.666689][ T4579] loop1: detected capacity change from 0 to 32768
[  280.733176][ T4579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.742713][ T4579] CPU: 1 PID: 4579 Comm: syz.1.189 Not tainted syzkaller #0
[  280.750050][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.760136][ T4579] Call Trace:
[  280.763439][ T4579]  <TASK>
[  280.766398][ T4579]  dump_stack_lvl+0x188/0x250
[  280.771115][ T4579]  ? show_regs_print_info+0x20/0x20
[  280.776351][ T4579]  ? load_image+0x400/0x400
[  280.780903][ T4579]  sysfs_create_dir_ns+0x26a/0x290
[  280.786049][ T4579]  ? sysfs_warn_dup+0xa0/0xa0
[  280.790763][ T4579]  ? do_raw_spin_unlock+0x11d/0x230
[  280.796001][ T4579]  kobject_add_internal+0x6e0/0xd90
[  280.801242][ T4579]  kobject_init_and_add+0x128/0x190
[  280.806480][ T4579]  ? lockdep_softirqs_off+0x430/0x430
[  280.811894][ T4579]  ? kobject_add+0x230/0x230
[  280.816519][ T4579]  ? __init_swait_queue_head+0xa5/0x150
[  280.822132][ T4579]  gfs2_sys_fs_add+0x24f/0x4b0
[  280.826927][ T4579]  ? gfs2_recover_set+0x240/0x240
[  280.831986][ T4579]  ? snprintf+0xe5/0x140
[  280.836256][ T4579]  ? __free_pages+0x95/0x1a0
[  280.841067][ T4579]  ? vscnprintf+0x80/0x80
[  280.845440][ T4579]  gfs2_fill_super+0x120f/0x1f00
[  280.850415][ T4579]  ? gfs2_reconfigure+0xd30/0xd30
[  280.855505][ T4579]  ? sb_set_blocksize+0xa5/0xe0
[  280.860382][ T4579]  get_tree_bdev+0x3f1/0x610
[  280.865005][ T4579]  ? gfs2_reconfigure+0xd30/0xd30
[  280.870062][ T4579]  gfs2_get_tree+0x4d/0x1e0
[  280.874598][ T4579]  vfs_get_tree+0x88/0x270
[  280.879049][ T4579]  do_new_mount+0x24a/0xa40
[  280.883589][ T4579]  __se_sys_mount+0x2e3/0x3d0
[  280.888303][ T4579]  ? __x64_sys_mount+0xc0/0xc0
[  280.893101][ T4579]  ? lockdep_hardirqs_on+0x94/0x140
[  280.898319][ T4579]  ? __x64_sys_mount+0x1c/0xc0
[  280.903105][ T4579]  do_syscall_64+0x4c/0xa0
[  280.907545][ T4579]  ? clear_bhb_loop+0x30/0x80
[  280.912247][ T4579]  ? clear_bhb_loop+0x30/0x80
[  280.916947][ T4579]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  280.922859][ T4579] RIP: 0033:0x7ff98f745f4a
[  280.927296][ T4579] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.946930][ T4579] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.955373][ T4579] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  280.963372][ T4579] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  280.971360][ T4579] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  280.979363][ T4579] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  280.987356][ T4579] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  280.995371][ T4579]  </TASK>
[  281.007574][ T4579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.021342][ T4579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.374053][ T4580] loop1: detected capacity change from 0 to 32768
[  281.468060][ T4580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.475479][ T4580] CPU: 0 PID: 4580 Comm: syz.1.190 Not tainted syzkaller #0
[  281.482784][ T4580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.492865][ T4580] Call Trace:
[  281.496186][ T4580]  <TASK>
[  281.499144][ T4580]  dump_stack_lvl+0x188/0x250
[  281.503860][ T4580]  ? show_regs_print_info+0x20/0x20
[  281.509098][ T4580]  ? load_image+0x400/0x400
[  281.513642][ T4580]  sysfs_create_dir_ns+0x26a/0x290
[  281.518784][ T4580]  ? sysfs_warn_dup+0xa0/0xa0
[  281.523499][ T4580]  ? do_raw_spin_unlock+0x11d/0x230
[  281.528747][ T4580]  kobject_add_internal+0x6e0/0xd90
[  281.533983][ T4580]  kobject_init_and_add+0x128/0x190
[  281.539232][ T4580]  ? lockdep_softirqs_off+0x430/0x430
[  281.544664][ T4580]  ? kobject_add+0x230/0x230
[  281.549300][ T4580]  ? __init_swait_queue_head+0xa5/0x150
[  281.554877][ T4580]  gfs2_sys_fs_add+0x24f/0x4b0
[  281.559672][ T4580]  ? gfs2_recover_set+0x240/0x240
[  281.564731][ T4580]  ? snprintf+0xe5/0x140
[  281.569013][ T4580]  ? __free_pages+0x95/0x1a0
[  281.573648][ T4580]  ? vscnprintf+0x80/0x80
[  281.578012][ T4580]  gfs2_fill_super+0x120f/0x1f00
[  281.582987][ T4580]  ? gfs2_reconfigure+0xd30/0xd30
[  281.588048][ T4580]  ? sb_set_blocksize+0xa5/0xe0
[  281.592921][ T4580]  get_tree_bdev+0x3f1/0x610
[  281.597538][ T4580]  ? gfs2_reconfigure+0xd30/0xd30
[  281.602597][ T4580]  gfs2_get_tree+0x4d/0x1e0
[  281.607138][ T4580]  vfs_get_tree+0x88/0x270
[  281.611598][ T4580]  do_new_mount+0x24a/0xa40
[  281.616136][ T4580]  __se_sys_mount+0x2e3/0x3d0
[  281.620841][ T4580]  ? __x64_sys_mount+0xc0/0xc0
[  281.625642][ T4580]  ? lockdep_hardirqs_on+0x94/0x140
[  281.630872][ T4580]  ? __x64_sys_mount+0x1c/0xc0
[  281.635659][ T4580]  do_syscall_64+0x4c/0xa0
[  281.640089][ T4580]  ? clear_bhb_loop+0x30/0x80
[  281.644763][ T4580]  ? clear_bhb_loop+0x30/0x80
[  281.649446][ T4580]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  281.655338][ T4580] RIP: 0033:0x7ff98f745f4a
[  281.659751][ T4580] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  281.679546][ T4580] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.687986][ T4580] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  281.695973][ T4580] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  281.703936][ T4580] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  281.711899][ T4580] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  281.719859][ T4580] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  281.727938][ T4580]  </TASK>
[  281.733338][ T4580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.746888][ T4580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.127385][ T4581] loop1: detected capacity change from 0 to 32768
[  282.178485][ T4581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.185924][ T4581] CPU: 0 PID: 4581 Comm: syz.1.191 Not tainted syzkaller #0
[  282.193247][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.203335][ T4581] Call Trace:
[  282.206643][ T4581]  <TASK>
[  282.209604][ T4581]  dump_stack_lvl+0x188/0x250
[  282.214326][ T4581]  ? show_regs_print_info+0x20/0x20
[  282.219562][ T4581]  ? load_image+0x400/0x400
[  282.224109][ T4581]  sysfs_create_dir_ns+0x26a/0x290
[  282.229251][ T4581]  ? sysfs_warn_dup+0xa0/0xa0
[  282.233979][ T4581]  ? do_raw_spin_unlock+0x11d/0x230
[  282.239218][ T4581]  kobject_add_internal+0x6e0/0xd90
[  282.244462][ T4581]  kobject_init_and_add+0x128/0x190
[  282.249695][ T4581]  ? lockdep_softirqs_off+0x430/0x430
[  282.255113][ T4581]  ? kobject_add+0x230/0x230
[  282.259741][ T4581]  ? __init_swait_queue_head+0xa5/0x150
[  282.265324][ T4581]  gfs2_sys_fs_add+0x24f/0x4b0
[  282.270125][ T4581]  ? gfs2_recover_set+0x240/0x240
[  282.275183][ T4581]  ? snprintf+0xe5/0x140
[  282.279462][ T4581]  ? __free_pages+0x95/0x1a0
[  282.284083][ T4581]  ? vscnprintf+0x80/0x80
[  282.288458][ T4581]  gfs2_fill_super+0x120f/0x1f00
[  282.293444][ T4581]  ? gfs2_reconfigure+0xd30/0xd30
[  282.298517][ T4581]  ? sb_set_blocksize+0xa5/0xe0
[  282.303409][ T4581]  get_tree_bdev+0x3f1/0x610
[  282.308022][ T4581]  ? gfs2_reconfigure+0xd30/0xd30
[  282.313067][ T4581]  gfs2_get_tree+0x4d/0x1e0
[  282.317607][ T4581]  vfs_get_tree+0x88/0x270
[  282.322061][ T4581]  do_new_mount+0x24a/0xa40
[  282.326599][ T4581]  __se_sys_mount+0x2e3/0x3d0
[  282.331316][ T4581]  ? __x64_sys_mount+0xc0/0xc0
[  282.336115][ T4581]  ? lockdep_hardirqs_on+0x94/0x140
[  282.341340][ T4581]  ? __x64_sys_mount+0x1c/0xc0
[  282.346146][ T4581]  do_syscall_64+0x4c/0xa0
[  282.350584][ T4581]  ? clear_bhb_loop+0x30/0x80
[  282.355285][ T4581]  ? clear_bhb_loop+0x30/0x80
[  282.359990][ T4581]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  282.365907][ T4581] RIP: 0033:0x7ff98f745f4a
[  282.370353][ T4581] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  282.389978][ T4581] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.398421][ T4581] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  282.406444][ T4581] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  282.414443][ T4581] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  282.422446][ T4581] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  282.430554][ T4581] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  282.438568][ T4581]  </TASK>
[  282.456522][ T4581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.469899][ T4581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.774028][ T4582] loop1: detected capacity change from 0 to 32768
[  282.845309][ T4582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.854551][ T4582] CPU: 1 PID: 4582 Comm: syz.1.192 Not tainted syzkaller #0
[  282.861890][ T4582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.871980][ T4582] Call Trace:
[  282.875286][ T4582]  <TASK>
[  282.878241][ T4582]  dump_stack_lvl+0x188/0x250
[  282.882970][ T4582]  ? show_regs_print_info+0x20/0x20
[  282.888224][ T4582]  ? load_image+0x400/0x400
[  282.892773][ T4582]  sysfs_create_dir_ns+0x26a/0x290
[  282.897926][ T4582]  ? sysfs_warn_dup+0xa0/0xa0
[  282.902635][ T4582]  ? do_raw_spin_unlock+0x11d/0x230
[  282.907875][ T4582]  kobject_add_internal+0x6e0/0xd90
[  282.913113][ T4582]  kobject_init_and_add+0x128/0x190
[  282.918453][ T4582]  ? lockdep_softirqs_off+0x430/0x430
[  282.923868][ T4582]  ? kobject_add+0x230/0x230
[  282.928504][ T4582]  ? __init_swait_queue_head+0xa5/0x150
[  282.934105][ T4582]  gfs2_sys_fs_add+0x24f/0x4b0
[  282.938914][ T4582]  ? gfs2_recover_set+0x240/0x240
[  282.943973][ T4582]  ? snprintf+0xe5/0x140
[  282.948251][ T4582]  ? __free_pages+0x95/0x1a0
[  282.952882][ T4582]  ? vscnprintf+0x80/0x80
[  282.957264][ T4582]  gfs2_fill_super+0x120f/0x1f00
[  282.962255][ T4582]  ? gfs2_reconfigure+0xd30/0xd30
[  282.967525][ T4582]  ? sb_set_blocksize+0xa5/0xe0
[  282.972418][ T4582]  get_tree_bdev+0x3f1/0x610
[  282.977048][ T4582]  ? gfs2_reconfigure+0xd30/0xd30
[  282.982125][ T4582]  gfs2_get_tree+0x4d/0x1e0
[  282.986666][ T4582]  vfs_get_tree+0x88/0x270
[  282.991116][ T4582]  do_new_mount+0x24a/0xa40
[  282.995737][ T4582]  __se_sys_mount+0x2e3/0x3d0
[  283.000446][ T4582]  ? __x64_sys_mount+0xc0/0xc0
[  283.005232][ T4582]  ? lockdep_hardirqs_on+0x94/0x140
[  283.010452][ T4582]  ? __x64_sys_mount+0x1c/0xc0
[  283.015277][ T4582]  do_syscall_64+0x4c/0xa0
[  283.019723][ T4582]  ? clear_bhb_loop+0x30/0x80
[  283.024420][ T4582]  ? clear_bhb_loop+0x30/0x80
[  283.029123][ T4582]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.035050][ T4582] RIP: 0033:0x7ff98f745f4a
[  283.039512][ T4582] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  283.059276][ T4582] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.067730][ T4582] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  283.075767][ T4582] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  283.083764][ T4582] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  283.091759][ T4582] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  283.099756][ T4582] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  283.107765][ T4582]  </TASK>
[  283.126442][ T4582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.141956][ T4582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.433840][ T4583] loop1: detected capacity change from 0 to 32768
[  283.485912][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.493391][ T4583] CPU: 1 PID: 4583 Comm: syz.1.193 Not tainted syzkaller #0
[  283.500709][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.510788][ T4583] Call Trace:
[  283.514086][ T4583]  <TASK>
[  283.517043][ T4583]  dump_stack_lvl+0x188/0x250
[  283.521751][ T4583]  ? show_regs_print_info+0x20/0x20
[  283.526990][ T4583]  ? load_image+0x400/0x400
[  283.531579][ T4583]  sysfs_create_dir_ns+0x26a/0x290
[  283.536721][ T4583]  ? sysfs_warn_dup+0xa0/0xa0
[  283.541435][ T4583]  ? do_raw_spin_unlock+0x11d/0x230
[  283.546671][ T4583]  kobject_add_internal+0x6e0/0xd90
[  283.551916][ T4583]  kobject_init_and_add+0x128/0x190
[  283.557140][ T4583]  ? lockdep_softirqs_off+0x430/0x430
[  283.562549][ T4583]  ? kobject_add+0x230/0x230
[  283.567199][ T4583]  ? __init_swait_queue_head+0xa5/0x150
[  283.572775][ T4583]  gfs2_sys_fs_add+0x24f/0x4b0
[  283.577571][ T4583]  ? gfs2_recover_set+0x240/0x240
[  283.582682][ T4583]  ? snprintf+0xe5/0x140
[  283.586962][ T4583]  ? __free_pages+0x95/0x1a0
[  283.591587][ T4583]  ? vscnprintf+0x80/0x80
[  283.595956][ T4583]  gfs2_fill_super+0x120f/0x1f00
[  283.600962][ T4583]  ? gfs2_reconfigure+0xd30/0xd30
[  283.606045][ T4583]  ? sb_set_blocksize+0xa5/0xe0
[  283.610926][ T4583]  get_tree_bdev+0x3f1/0x610
[  283.615545][ T4583]  ? gfs2_reconfigure+0xd30/0xd30
[  283.620612][ T4583]  gfs2_get_tree+0x4d/0x1e0
[  283.625151][ T4583]  vfs_get_tree+0x88/0x270
[  283.629602][ T4583]  do_new_mount+0x24a/0xa40
[  283.634136][ T4583]  __se_sys_mount+0x2e3/0x3d0
[  283.638844][ T4583]  ? __x64_sys_mount+0xc0/0xc0
[  283.643645][ T4583]  ? lockdep_hardirqs_on+0x94/0x140
[  283.648870][ T4583]  ? __x64_sys_mount+0x1c/0xc0
[  283.653672][ T4583]  do_syscall_64+0x4c/0xa0
[  283.658115][ T4583]  ? clear_bhb_loop+0x30/0x80
[  283.662819][ T4583]  ? clear_bhb_loop+0x30/0x80
[  283.667531][ T4583]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.673580][ T4583] RIP: 0033:0x7ff98f745f4a
[  283.678021][ T4583] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  283.697659][ T4583] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.706101][ T4583] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  283.714095][ T4583] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  283.722091][ T4583] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  283.730092][ T4583] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  283.738104][ T4583] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  283.746113][ T4583]  </TASK>
[  283.754789][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.768129][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.028625][ T4584] loop1: detected capacity change from 0 to 32768
[  284.077649][ T4584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.085385][ T4584] CPU: 0 PID: 4584 Comm: syz.1.194 Not tainted syzkaller #0
[  284.092700][ T4584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.102786][ T4584] Call Trace:
[  284.106097][ T4584]  <TASK>
[  284.109052][ T4584]  dump_stack_lvl+0x188/0x250
[  284.113770][ T4584]  ? show_regs_print_info+0x20/0x20
[  284.119017][ T4584]  ? load_image+0x400/0x400
[  284.123569][ T4584]  sysfs_create_dir_ns+0x26a/0x290
[  284.128712][ T4584]  ? sysfs_warn_dup+0xa0/0xa0
[  284.133417][ T4584]  ? do_raw_spin_unlock+0x11d/0x230
[  284.138689][ T4584]  kobject_add_internal+0x6e0/0xd90
[  284.143928][ T4584]  kobject_init_and_add+0x128/0x190
[  284.149163][ T4584]  ? lockdep_softirqs_off+0x430/0x430
[  284.154580][ T4584]  ? kobject_add+0x230/0x230
[  284.159207][ T4584]  ? __init_swait_queue_head+0xa5/0x150
[  284.164788][ T4584]  gfs2_sys_fs_add+0x24f/0x4b0
[  284.169580][ T4584]  ? gfs2_recover_set+0x240/0x240
[  284.174639][ T4584]  ? snprintf+0xe5/0x140
[  284.178930][ T4584]  ? __free_pages+0x95/0x1a0
[  284.183560][ T4584]  ? vscnprintf+0x80/0x80
[  284.187933][ T4584]  gfs2_fill_super+0x120f/0x1f00
[  284.192917][ T4584]  ? gfs2_reconfigure+0xd30/0xd30
[  284.197988][ T4584]  ? sb_set_blocksize+0xa5/0xe0
[  284.202877][ T4584]  get_tree_bdev+0x3f1/0x610
[  284.207494][ T4584]  ? gfs2_reconfigure+0xd30/0xd30
[  284.212554][ T4584]  gfs2_get_tree+0x4d/0x1e0
[  284.217089][ T4584]  vfs_get_tree+0x88/0x270
[  284.221544][ T4584]  do_new_mount+0x24a/0xa40
[  284.226085][ T4584]  __se_sys_mount+0x2e3/0x3d0
[  284.230794][ T4584]  ? __x64_sys_mount+0xc0/0xc0
[  284.235586][ T4584]  ? lockdep_hardirqs_on+0x94/0x140
[  284.240802][ T4584]  ? __x64_sys_mount+0x1c/0xc0
[  284.245586][ T4584]  do_syscall_64+0x4c/0xa0
[  284.250029][ T4584]  ? clear_bhb_loop+0x30/0x80
[  284.254734][ T4584]  ? clear_bhb_loop+0x30/0x80
[  284.259441][ T4584]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.265360][ T4584] RIP: 0033:0x7ff98f745f4a
[  284.269800][ T4584] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.289443][ T4584] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.297900][ T4584] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  284.305917][ T4584] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  284.313907][ T4584] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  284.321902][ T4584] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  284.329899][ T4584] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  284.337911][ T4584]  </TASK>
[  284.345723][ T4584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.359169][ T4584] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 10:32:57 executed programs: 180
[  284.607550][ T4585] loop1: detected capacity change from 0 to 32768
[  284.671980][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.680695][ T4585] CPU: 0 PID: 4585 Comm: syz.1.195 Not tainted syzkaller #0
[  284.688033][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.698132][ T4585] Call Trace:
[  284.701435][ T4585]  <TASK>
[  284.704395][ T4585]  dump_stack_lvl+0x188/0x250
[  284.709114][ T4585]  ? show_regs_print_info+0x20/0x20
[  284.714347][ T4585]  ? load_image+0x400/0x400
[  284.718894][ T4585]  sysfs_create_dir_ns+0x26a/0x290
[  284.724043][ T4585]  ? sysfs_warn_dup+0xa0/0xa0
[  284.728757][ T4585]  ? do_raw_spin_unlock+0x11d/0x230
[  284.734014][ T4585]  kobject_add_internal+0x6e0/0xd90
[  284.739253][ T4585]  kobject_init_and_add+0x128/0x190
[  284.744496][ T4585]  ? lockdep_softirqs_off+0x430/0x430
[  284.749915][ T4585]  ? kobject_add+0x230/0x230
[  284.754549][ T4585]  ? __init_swait_queue_head+0xa5/0x150
[  284.760129][ T4585]  gfs2_sys_fs_add+0x24f/0x4b0
[  284.764926][ T4585]  ? gfs2_recover_set+0x240/0x240
[  284.769985][ T4585]  ? snprintf+0xe5/0x140
[  284.774249][ T4585]  ? __free_pages+0x95/0x1a0
[  284.778872][ T4585]  ? vscnprintf+0x80/0x80
[  284.783243][ T4585]  gfs2_fill_super+0x120f/0x1f00
[  284.788233][ T4585]  ? gfs2_reconfigure+0xd30/0xd30
[  284.793306][ T4585]  ? sb_set_blocksize+0xa5/0xe0
[  284.798191][ T4585]  get_tree_bdev+0x3f1/0x610
[  284.802821][ T4585]  ? gfs2_reconfigure+0xd30/0xd30
[  284.807880][ T4585]  gfs2_get_tree+0x4d/0x1e0
[  284.812422][ T4585]  vfs_get_tree+0x88/0x270
[  284.816867][ T4585]  do_new_mount+0x24a/0xa40
[  284.821408][ T4585]  __se_sys_mount+0x2e3/0x3d0
[  284.826119][ T4585]  ? __x64_sys_mount+0xc0/0xc0
[  284.830914][ T4585]  ? lockdep_hardirqs_on+0x94/0x140
[  284.836136][ T4585]  ? __x64_sys_mount+0x1c/0xc0
[  284.840940][ T4585]  do_syscall_64+0x4c/0xa0
[  284.845385][ T4585]  ? clear_bhb_loop+0x30/0x80
[  284.850088][ T4585]  ? clear_bhb_loop+0x30/0x80
[  284.854793][ T4585]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.860711][ T4585] RIP: 0033:0x7ff98f745f4a
[  284.865159][ T4585] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.884793][ T4585] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.893242][ T4585] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  284.901247][ T4585] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  284.909249][ T4585] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  284.917247][ T4585] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  284.925248][ T4585] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  284.933265][ T4585]  </TASK>
[  284.940896][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.954268][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.253393][ T4586] loop1: detected capacity change from 0 to 32768
[  285.302752][ T4586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.312408][ T4586] CPU: 1 PID: 4586 Comm: syz.1.196 Not tainted syzkaller #0
[  285.319754][ T4586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.329842][ T4586] Call Trace:
[  285.333148][ T4586]  <TASK>
[  285.336096][ T4586]  dump_stack_lvl+0x188/0x250
[  285.340803][ T4586]  ? show_regs_print_info+0x20/0x20
[  285.346046][ T4586]  ? load_image+0x400/0x400
[  285.350611][ T4586]  sysfs_create_dir_ns+0x26a/0x290
[  285.355754][ T4586]  ? sysfs_warn_dup+0xa0/0xa0
[  285.360470][ T4586]  ? do_raw_spin_unlock+0x11d/0x230
[  285.365715][ T4586]  kobject_add_internal+0x6e0/0xd90
[  285.370958][ T4586]  kobject_init_and_add+0x128/0x190
[  285.376187][ T4586]  ? lockdep_softirqs_off+0x430/0x430
[  285.381604][ T4586]  ? kobject_add+0x230/0x230
[  285.386246][ T4586]  ? __init_swait_queue_head+0xa5/0x150
[  285.391836][ T4586]  gfs2_sys_fs_add+0x24f/0x4b0
[  285.396630][ T4586]  ? gfs2_recover_set+0x240/0x240
[  285.401687][ T4586]  ? snprintf+0xe5/0x140
[  285.405965][ T4586]  ? __free_pages+0x95/0x1a0
[  285.410590][ T4586]  ? vscnprintf+0x80/0x80
[  285.414968][ T4586]  gfs2_fill_super+0x120f/0x1f00
[  285.419967][ T4586]  ? gfs2_reconfigure+0xd30/0xd30
[  285.425042][ T4586]  ? sb_set_blocksize+0xa5/0xe0
[  285.429938][ T4586]  get_tree_bdev+0x3f1/0x610
[  285.434563][ T4586]  ? gfs2_reconfigure+0xd30/0xd30
[  285.439629][ T4586]  gfs2_get_tree+0x4d/0x1e0
[  285.444164][ T4586]  vfs_get_tree+0x88/0x270
[  285.449053][ T4586]  do_new_mount+0x24a/0xa40
[  285.453605][ T4586]  __se_sys_mount+0x2e3/0x3d0
[  285.458313][ T4586]  ? __x64_sys_mount+0xc0/0xc0
[  285.463142][ T4586]  ? lockdep_hardirqs_on+0x94/0x140
[  285.468370][ T4586]  ? __x64_sys_mount+0x1c/0xc0
[  285.473185][ T4586]  do_syscall_64+0x4c/0xa0
[  285.477624][ T4586]  ? clear_bhb_loop+0x30/0x80
[  285.482339][ T4586]  ? clear_bhb_loop+0x30/0x80
[  285.487041][ T4586]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  285.492972][ T4586] RIP: 0033:0x7ff98f745f4a
[  285.497415][ T4586] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  285.517053][ T4586] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.525513][ T4586] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  285.533521][ T4586] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  285.541529][ T4586] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  285.549539][ T4586] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  285.557550][ T4586] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  285.565569][ T4586]  </TASK>
[  285.582208][ T4586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.597935][ T4586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.852123][ T4587] loop1: detected capacity change from 0 to 32768
[  285.908288][ T4587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.915735][ T4587] CPU: 1 PID: 4587 Comm: syz.1.197 Not tainted syzkaller #0
[  285.923094][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.933185][ T4587] Call Trace:
[  285.936494][ T4587]  <TASK>
[  285.939451][ T4587]  dump_stack_lvl+0x188/0x250
[  285.944177][ T4587]  ? show_regs_print_info+0x20/0x20
[  285.949426][ T4587]  ? load_image+0x400/0x400
[  285.953982][ T4587]  sysfs_create_dir_ns+0x26a/0x290
[  285.959127][ T4587]  ? sysfs_warn_dup+0xa0/0xa0
[  285.963840][ T4587]  ? do_raw_spin_unlock+0x11d/0x230
[  285.969069][ T4587]  kobject_add_internal+0x6e0/0xd90
[  285.974333][ T4587]  kobject_init_and_add+0x128/0x190
[  285.979558][ T4587]  ? lockdep_softirqs_off+0x430/0x430
[  285.984957][ T4587]  ? kobject_add+0x230/0x230
[  285.989576][ T4587]  ? __init_swait_queue_head+0xa5/0x150
[  285.995156][ T4587]  gfs2_sys_fs_add+0x24f/0x4b0
[  285.999956][ T4587]  ? gfs2_recover_set+0x240/0x240
[  286.005015][ T4587]  ? snprintf+0xe5/0x140
[  286.009291][ T4587]  ? __free_pages+0x95/0x1a0
[  286.013928][ T4587]  ? vscnprintf+0x80/0x80
[  286.018311][ T4587]  gfs2_fill_super+0x120f/0x1f00
[  286.023308][ T4587]  ? gfs2_reconfigure+0xd30/0xd30
[  286.028392][ T4587]  ? sb_set_blocksize+0xa5/0xe0
[  286.033274][ T4587]  get_tree_bdev+0x3f1/0x610
[  286.037907][ T4587]  ? gfs2_reconfigure+0xd30/0xd30
[  286.042968][ T4587]  gfs2_get_tree+0x4d/0x1e0
[  286.047540][ T4587]  vfs_get_tree+0x88/0x270
[  286.051990][ T4587]  do_new_mount+0x24a/0xa40
[  286.056532][ T4587]  __se_sys_mount+0x2e3/0x3d0
[  286.061248][ T4587]  ? __x64_sys_mount+0xc0/0xc0
[  286.066070][ T4587]  ? lockdep_hardirqs_on+0x94/0x140
[  286.071294][ T4587]  ? __x64_sys_mount+0x1c/0xc0
[  286.076093][ T4587]  do_syscall_64+0x4c/0xa0
[  286.080722][ T4587]  ? clear_bhb_loop+0x30/0x80
[  286.085425][ T4587]  ? clear_bhb_loop+0x30/0x80
[  286.090134][ T4587]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.096060][ T4587] RIP: 0033:0x7ff98f745f4a
[  286.100508][ T4587] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  286.120147][ T4587] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.128594][ T4587] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  286.136597][ T4587] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  286.144597][ T4587] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  286.152598][ T4587] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  286.160574][ T4587] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  286.168569][ T4587]  </TASK>
[  286.173802][ T4587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.187230][ T4587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.561929][ T4588] loop1: detected capacity change from 0 to 32768
[  286.609176][ T4588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.626459][ T4588] CPU: 0 PID: 4588 Comm: syz.1.198 Not tainted syzkaller #0
[  286.633812][ T4588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.643899][ T4588] Call Trace:
[  286.647205][ T4588]  <TASK>
[  286.650164][ T4588]  dump_stack_lvl+0x188/0x250
[  286.654890][ T4588]  ? show_regs_print_info+0x20/0x20
[  286.660133][ T4588]  ? load_image+0x400/0x400
[  286.664682][ T4588]  sysfs_create_dir_ns+0x26a/0x290
[  286.669829][ T4588]  ? sysfs_warn_dup+0xa0/0xa0
[  286.674538][ T4588]  ? do_raw_spin_unlock+0x11d/0x230
[  286.679772][ T4588]  kobject_add_internal+0x6e0/0xd90
[  286.685021][ T4588]  kobject_init_and_add+0x128/0x190
[  286.690286][ T4588]  ? lockdep_softirqs_off+0x430/0x430
[  286.695689][ T4588]  ? kobject_add+0x230/0x230
[  286.700309][ T4588]  ? __init_swait_queue_head+0xa5/0x150
[  286.705916][ T4588]  gfs2_sys_fs_add+0x24f/0x4b0
[  286.710715][ T4588]  ? gfs2_recover_set+0x240/0x240
[  286.715768][ T4588]  ? snprintf+0xe5/0x140
[  286.720041][ T4588]  ? __free_pages+0x95/0x1a0
[  286.724685][ T4588]  ? vscnprintf+0x80/0x80
[  286.729074][ T4588]  gfs2_fill_super+0x120f/0x1f00
[  286.734216][ T4588]  ? gfs2_reconfigure+0xd30/0xd30
[  286.739302][ T4588]  ? sb_set_blocksize+0xa5/0xe0
[  286.744186][ T4588]  get_tree_bdev+0x3f1/0x610
[  286.748810][ T4588]  ? gfs2_reconfigure+0xd30/0xd30
[  286.753869][ T4588]  gfs2_get_tree+0x4d/0x1e0
[  286.758420][ T4588]  vfs_get_tree+0x88/0x270
[  286.762878][ T4588]  do_new_mount+0x24a/0xa40
[  286.767420][ T4588]  __se_sys_mount+0x2e3/0x3d0
[  286.772137][ T4588]  ? __x64_sys_mount+0xc0/0xc0
[  286.776930][ T4588]  ? lockdep_hardirqs_on+0x94/0x140
[  286.782162][ T4588]  ? __x64_sys_mount+0x1c/0xc0
[  286.786961][ T4588]  do_syscall_64+0x4c/0xa0
[  286.791416][ T4588]  ? clear_bhb_loop+0x30/0x80
[  286.796131][ T4588]  ? clear_bhb_loop+0x30/0x80
[  286.800849][ T4588]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.806775][ T4588] RIP: 0033:0x7ff98f745f4a
[  286.811257][ T4588] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  286.830922][ T4588] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.839375][ T4588] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  286.847389][ T4588] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  286.855415][ T4588] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  286.863456][ T4588] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  286.871461][ T4588] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  286.879489][ T4588]  </TASK>
[  286.886673][ T4588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.899868][ T4588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.288817][ T4589] loop1: detected capacity change from 0 to 32768
[  287.350363][ T4589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.361652][ T4589] CPU: 0 PID: 4589 Comm: syz.1.199 Not tainted syzkaller #0
[  287.368998][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.379087][ T4589] Call Trace:
[  287.382405][ T4589]  <TASK>
[  287.385376][ T4589]  dump_stack_lvl+0x188/0x250
[  287.390102][ T4589]  ? show_regs_print_info+0x20/0x20
[  287.395350][ T4589]  ? load_image+0x400/0x400
[  287.399909][ T4589]  sysfs_create_dir_ns+0x26a/0x290
[  287.405077][ T4589]  ? sysfs_warn_dup+0xa0/0xa0
[  287.409793][ T4589]  ? do_raw_spin_unlock+0x11d/0x230
[  287.415028][ T4589]  kobject_add_internal+0x6e0/0xd90
[  287.420285][ T4589]  kobject_init_and_add+0x128/0x190
[  287.425529][ T4589]  ? lockdep_softirqs_off+0x430/0x430
[  287.430952][ T4589]  ? kobject_add+0x230/0x230
[  287.435603][ T4589]  ? __init_swait_queue_head+0xa5/0x150
[  287.441210][ T4589]  gfs2_sys_fs_add+0x24f/0x4b0
[  287.446017][ T4589]  ? gfs2_recover_set+0x240/0x240
[  287.451083][ T4589]  ? snprintf+0xe5/0x140
[  287.455355][ T4589]  ? __free_pages+0x95/0x1a0
[  287.459986][ T4589]  ? vscnprintf+0x80/0x80
[  287.464374][ T4589]  gfs2_fill_super+0x120f/0x1f00
[  287.469363][ T4589]  ? gfs2_reconfigure+0xd30/0xd30
[  287.474444][ T4589]  ? sb_set_blocksize+0xa5/0xe0
[  287.479325][ T4589]  get_tree_bdev+0x3f1/0x610
[  287.483950][ T4589]  ? gfs2_reconfigure+0xd30/0xd30
[  287.489027][ T4589]  gfs2_get_tree+0x4d/0x1e0
[  287.493572][ T4589]  vfs_get_tree+0x88/0x270
[  287.498025][ T4589]  do_new_mount+0x24a/0xa40
[  287.502575][ T4589]  __se_sys_mount+0x2e3/0x3d0
[  287.507297][ T4589]  ? __x64_sys_mount+0xc0/0xc0
[  287.512098][ T4589]  ? lockdep_hardirqs_on+0x94/0x140
[  287.517324][ T4589]  ? __x64_sys_mount+0x1c/0xc0
[  287.522130][ T4589]  do_syscall_64+0x4c/0xa0
[  287.526583][ T4589]  ? clear_bhb_loop+0x30/0x80
[  287.531297][ T4589]  ? clear_bhb_loop+0x30/0x80
[  287.536013][ T4589]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  287.541949][ T4589] RIP: 0033:0x7ff98f745f4a
[  287.546400][ T4589] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.566042][ T4589] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.574497][ T4589] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  287.582508][ T4589] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  287.590520][ T4589] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  287.598527][ T4589] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  287.606528][ T4589] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  287.614545][ T4589]  </TASK>
[  287.622722][ T4589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.636104][ T4589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.007794][ T4590] loop1: detected capacity change from 0 to 32768
[  288.017921][ T4590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.028506][ T4590] CPU: 1 PID: 4590 Comm: syz.1.200 Not tainted syzkaller #0
[  288.035850][ T4590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.045960][ T4590] Call Trace:
[  288.049273][ T4590]  <TASK>
[  288.052327][ T4590]  dump_stack_lvl+0x188/0x250
[  288.057048][ T4590]  ? show_regs_print_info+0x20/0x20
[  288.062281][ T4590]  ? load_image+0x400/0x400
[  288.066849][ T4590]  sysfs_create_dir_ns+0x26a/0x290
[  288.071995][ T4590]  ? sysfs_warn_dup+0xa0/0xa0
[  288.076709][ T4590]  ? do_raw_spin_unlock+0x11d/0x230
[  288.081948][ T4590]  kobject_add_internal+0x6e0/0xd90
[  288.087197][ T4590]  kobject_init_and_add+0x128/0x190
[  288.092432][ T4590]  ? lockdep_softirqs_off+0x430/0x430
[  288.097935][ T4590]  ? kobject_add+0x230/0x230
[  288.102561][ T4590]  ? __init_swait_queue_head+0xa5/0x150
[  288.108154][ T4590]  gfs2_sys_fs_add+0x24f/0x4b0
[  288.112947][ T4590]  ? gfs2_recover_set+0x240/0x240
[  288.118003][ T4590]  ? snprintf+0xe5/0x140
[  288.122278][ T4590]  ? __free_pages+0x95/0x1a0
[  288.126901][ T4590]  ? vscnprintf+0x80/0x80
[  288.131278][ T4590]  gfs2_fill_super+0x120f/0x1f00
[  288.136253][ T4590]  ? gfs2_reconfigure+0xd30/0xd30
[  288.141321][ T4590]  ? sb_set_blocksize+0xa5/0xe0
[  288.146211][ T4590]  get_tree_bdev+0x3f1/0x610
[  288.150833][ T4590]  ? gfs2_reconfigure+0xd30/0xd30
[  288.155897][ T4590]  gfs2_get_tree+0x4d/0x1e0
[  288.160400][ T4590]  vfs_get_tree+0x88/0x270
[  288.164938][ T4590]  do_new_mount+0x24a/0xa40
[  288.169447][ T4590]  __se_sys_mount+0x2e3/0x3d0
[  288.174129][ T4590]  ? __x64_sys_mount+0xc0/0xc0
[  288.178909][ T4590]  ? lockdep_hardirqs_on+0x94/0x140
[  288.184108][ T4590]  ? __x64_sys_mount+0x1c/0xc0
[  288.188873][ T4590]  do_syscall_64+0x4c/0xa0
[  288.193320][ T4590]  ? clear_bhb_loop+0x30/0x80
[  288.198002][ T4590]  ? clear_bhb_loop+0x30/0x80
[  288.202677][ T4590]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.208567][ T4590] RIP: 0033:0x7ff98f745f4a
[  288.212980][ T4590] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.232584][ T4590] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.240997][ T4590] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  288.248968][ T4590] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  288.256992][ T4590] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  288.264968][ T4590] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  288.272935][ T4590] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  288.280941][ T4590]  </TASK>
[  288.286653][ T4590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.299859][ T4590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.426567][ T4256] Bluetooth: hci1: command 0x0406 tx timeout
[  288.653286][ T4591] loop1: detected capacity change from 0 to 32768
[  288.698917][ T4591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.706515][ T4591] CPU: 0 PID: 4591 Comm: syz.1.201 Not tainted syzkaller #0
[  288.713851][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.723933][ T4591] Call Trace:
[  288.727261][ T4591]  <TASK>
[  288.730216][ T4591]  dump_stack_lvl+0x188/0x250
[  288.734929][ T4591]  ? show_regs_print_info+0x20/0x20
[  288.740157][ T4591]  ? load_image+0x400/0x400
[  288.744717][ T4591]  sysfs_create_dir_ns+0x26a/0x290
[  288.749877][ T4591]  ? sysfs_warn_dup+0xa0/0xa0
[  288.754589][ T4591]  ? do_raw_spin_unlock+0x11d/0x230
[  288.759829][ T4591]  kobject_add_internal+0x6e0/0xd90
[  288.765089][ T4591]  kobject_init_and_add+0x128/0x190
[  288.770332][ T4591]  ? lockdep_softirqs_off+0x430/0x430
[  288.775759][ T4591]  ? kobject_add+0x230/0x230
[  288.780386][ T4591]  ? __init_swait_queue_head+0xa5/0x150
[  288.785973][ T4591]  gfs2_sys_fs_add+0x24f/0x4b0
[  288.790778][ T4591]  ? gfs2_recover_set+0x240/0x240
[  288.795845][ T4591]  ? snprintf+0xe5/0x140
[  288.800124][ T4591]  ? __free_pages+0x95/0x1a0
[  288.804755][ T4591]  ? vscnprintf+0x80/0x80
[  288.809139][ T4591]  gfs2_fill_super+0x120f/0x1f00
[  288.814132][ T4591]  ? gfs2_reconfigure+0xd30/0xd30
[  288.819213][ T4591]  ? sb_set_blocksize+0xa5/0xe0
[  288.824100][ T4591]  get_tree_bdev+0x3f1/0x610
[  288.828721][ T4591]  ? gfs2_reconfigure+0xd30/0xd30
[  288.833777][ T4591]  gfs2_get_tree+0x4d/0x1e0
[  288.838314][ T4591]  vfs_get_tree+0x88/0x270
[  288.842763][ T4591]  do_new_mount+0x24a/0xa40
[  288.847312][ T4591]  __se_sys_mount+0x2e3/0x3d0
[  288.852024][ T4591]  ? __x64_sys_mount+0xc0/0xc0
[  288.856821][ T4591]  ? lockdep_hardirqs_on+0x94/0x140
[  288.862050][ T4591]  ? __x64_sys_mount+0x1c/0xc0
[  288.866852][ T4591]  do_syscall_64+0x4c/0xa0
[  288.871295][ T4591]  ? clear_bhb_loop+0x30/0x80
[  288.876013][ T4591]  ? clear_bhb_loop+0x30/0x80
[  288.880719][ T4591]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.886657][ T4591] RIP: 0033:0x7ff98f745f4a
[  288.891142][ T4591] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.910780][ T4591] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.919233][ T4591] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  288.927233][ T4591] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  288.935228][ T4591] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  288.943226][ T4591] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  288.951228][ T4591] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  288.959244][ T4591]  </TASK>
[  288.968463][ T4591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.981888][ T4591] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.369857][ T4592] loop1: detected capacity change from 0 to 32768
[  289.415368][ T4592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.422959][ T4592] CPU: 0 PID: 4592 Comm: syz.1.202 Not tainted syzkaller #0
[  289.430302][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.440394][ T4592] Call Trace:
[  289.443711][ T4592]  <TASK>
[  289.446669][ T4592]  dump_stack_lvl+0x188/0x250
[  289.451391][ T4592]  ? show_regs_print_info+0x20/0x20
[  289.456627][ T4592]  ? load_image+0x400/0x400
[  289.461177][ T4592]  sysfs_create_dir_ns+0x26a/0x290
[  289.466329][ T4592]  ? sysfs_warn_dup+0xa0/0xa0
[  289.471057][ T4592]  ? do_raw_spin_unlock+0x11d/0x230
[  289.476287][ T4592]  kobject_add_internal+0x6e0/0xd90
[  289.481522][ T4592]  kobject_init_and_add+0x128/0x190
[  289.486753][ T4592]  ? lockdep_softirqs_off+0x430/0x430
[  289.492174][ T4592]  ? kobject_add+0x230/0x230
[  289.496822][ T4592]  ? __init_swait_queue_head+0xa5/0x150
[  289.502415][ T4592]  gfs2_sys_fs_add+0x24f/0x4b0
[  289.507227][ T4592]  ? gfs2_recover_set+0x240/0x240
[  289.512292][ T4592]  ? snprintf+0xe5/0x140
[  289.516575][ T4592]  ? __free_pages+0x95/0x1a0
[  289.521210][ T4592]  ? vscnprintf+0x80/0x80
[  289.525591][ T4592]  gfs2_fill_super+0x120f/0x1f00
[  289.530574][ T4592]  ? gfs2_reconfigure+0xd30/0xd30
[  289.535669][ T4592]  ? sb_set_blocksize+0xa5/0xe0
[  289.540558][ T4592]  get_tree_bdev+0x3f1/0x610
[  289.545185][ T4592]  ? gfs2_reconfigure+0xd30/0xd30
[  289.550243][ T4592]  gfs2_get_tree+0x4d/0x1e0
[  289.554780][ T4592]  vfs_get_tree+0x88/0x270
[  289.559245][ T4592]  do_new_mount+0x24a/0xa40
[  289.563792][ T4592]  __se_sys_mount+0x2e3/0x3d0
[  289.568514][ T4592]  ? __x64_sys_mount+0xc0/0xc0
[  289.573306][ T4592]  ? lockdep_hardirqs_on+0x94/0x140
[  289.578532][ T4592]  ? __x64_sys_mount+0x1c/0xc0
[  289.583315][ T4592]  do_syscall_64+0x4c/0xa0
[  289.587745][ T4592]  ? clear_bhb_loop+0x30/0x80
[  289.592428][ T4592]  ? clear_bhb_loop+0x30/0x80
[  289.597118][ T4592]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  289.603021][ T4592] RIP: 0033:0x7ff98f745f4a
[  289.607460][ T4592] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  289.627085][ T4592] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.635513][ T4592] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  289.643491][ T4592] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  289.651484][ T4592] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  289.659465][ T4592] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  289.667443][ T4592] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  289.675451][ T4592]  </TASK>
[  289.684406][ T4592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.700449][ T4592] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 10:33:02 executed programs: 188
[  289.971522][ T4593] loop1: detected capacity change from 0 to 32768
[  290.022005][ T4593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.035967][ T4593] CPU: 1 PID: 4593 Comm: syz.1.203 Not tainted syzkaller #0
[  290.043325][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.053424][ T4593] Call Trace:
[  290.056730][ T4593]  <TASK>
[  290.059740][ T4593]  dump_stack_lvl+0x188/0x250
[  290.064480][ T4593]  ? show_regs_print_info+0x20/0x20
[  290.069727][ T4593]  ? load_image+0x400/0x400
[  290.074296][ T4593]  sysfs_create_dir_ns+0x26a/0x290
[  290.079461][ T4593]  ? sysfs_warn_dup+0xa0/0xa0
[  290.084177][ T4593]  ? do_raw_spin_unlock+0x11d/0x230
[  290.089416][ T4593]  kobject_add_internal+0x6e0/0xd90
[  290.094652][ T4593]  kobject_init_and_add+0x128/0x190
[  290.099881][ T4593]  ? lockdep_softirqs_off+0x430/0x430
[  290.105317][ T4593]  ? kobject_add+0x230/0x230
[  290.109953][ T4593]  ? __init_swait_queue_head+0xa5/0x150
[  290.115546][ T4593]  gfs2_sys_fs_add+0x24f/0x4b0
[  290.120347][ T4593]  ? gfs2_recover_set+0x240/0x240
[  290.125448][ T4593]  ? snprintf+0xe5/0x140
[  290.129727][ T4593]  ? __free_pages+0x95/0x1a0
[  290.134359][ T4593]  ? vscnprintf+0x80/0x80
[  290.138727][ T4593]  gfs2_fill_super+0x120f/0x1f00
[  290.143725][ T4593]  ? gfs2_reconfigure+0xd30/0xd30
[  290.148811][ T4593]  ? sb_set_blocksize+0xa5/0xe0
[  290.153691][ T4593]  get_tree_bdev+0x3f1/0x610
[  290.158320][ T4593]  ? gfs2_reconfigure+0xd30/0xd30
[  290.163382][ T4593]  gfs2_get_tree+0x4d/0x1e0
[  290.167925][ T4593]  vfs_get_tree+0x88/0x270
[  290.172374][ T4593]  do_new_mount+0x24a/0xa40
[  290.176918][ T4593]  __se_sys_mount+0x2e3/0x3d0
[  290.181629][ T4593]  ? __x64_sys_mount+0xc0/0xc0
[  290.186451][ T4593]  ? lockdep_hardirqs_on+0x94/0x140
[  290.191680][ T4593]  ? __x64_sys_mount+0x1c/0xc0
[  290.196474][ T4593]  do_syscall_64+0x4c/0xa0
[  290.200956][ T4593]  ? clear_bhb_loop+0x30/0x80
[  290.205660][ T4593]  ? clear_bhb_loop+0x30/0x80
[  290.210361][ T4593]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  290.216281][ T4593] RIP: 0033:0x7ff98f745f4a
[  290.220733][ T4593] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  290.240397][ T4593] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.248865][ T4593] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  290.256872][ T4593] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  290.264876][ T4593] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  290.272879][ T4593] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  290.280880][ T4593] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  290.288894][ T4593]  </TASK>
[  290.299523][ T4593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.312900][ T4593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.582910][ T4595] loop1: detected capacity change from 0 to 32768
[  290.628840][ T4595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.636819][ T4595] CPU: 1 PID: 4595 Comm: syz.1.204 Not tainted syzkaller #0
[  290.644149][ T4595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.654254][ T4595] Call Trace:
[  290.657560][ T4595]  <TASK>
[  290.660519][ T4595]  dump_stack_lvl+0x188/0x250
[  290.665236][ T4595]  ? show_regs_print_info+0x20/0x20
[  290.670464][ T4595]  ? load_image+0x400/0x400
[  290.675010][ T4595]  sysfs_create_dir_ns+0x26a/0x290
[  290.680251][ T4595]  ? sysfs_warn_dup+0xa0/0xa0
[  290.684970][ T4595]  ? do_raw_spin_unlock+0x11d/0x230
[  290.690208][ T4595]  kobject_add_internal+0x6e0/0xd90
[  290.695445][ T4595]  kobject_init_and_add+0x128/0x190
[  290.700701][ T4595]  ? lockdep_softirqs_off+0x430/0x430
[  290.706116][ T4595]  ? kobject_add+0x230/0x230
[  290.710742][ T4595]  ? __init_swait_queue_head+0xa5/0x150
[  290.716335][ T4595]  gfs2_sys_fs_add+0x24f/0x4b0
[  290.721122][ T4595]  ? gfs2_recover_set+0x240/0x240
[  290.726177][ T4595]  ? snprintf+0xe5/0x140
[  290.730454][ T4595]  ? __free_pages+0x95/0x1a0
[  290.735211][ T4595]  ? vscnprintf+0x80/0x80
[  290.739603][ T4595]  gfs2_fill_super+0x120f/0x1f00
[  290.744652][ T4595]  ? gfs2_reconfigure+0xd30/0xd30
[  290.749751][ T4595]  ? sb_set_blocksize+0xa5/0xe0
[  290.754657][ T4595]  get_tree_bdev+0x3f1/0x610
[  290.759289][ T4595]  ? gfs2_reconfigure+0xd30/0xd30
[  290.764346][ T4595]  gfs2_get_tree+0x4d/0x1e0
[  290.768881][ T4595]  vfs_get_tree+0x88/0x270
[  290.773324][ T4595]  do_new_mount+0x24a/0xa40
[  290.777858][ T4595]  __se_sys_mount+0x2e3/0x3d0
[  290.782563][ T4595]  ? __x64_sys_mount+0xc0/0xc0
[  290.787359][ T4595]  ? lockdep_hardirqs_on+0x94/0x140
[  290.792594][ T4595]  ? __x64_sys_mount+0x1c/0xc0
[  290.797398][ T4595]  do_syscall_64+0x4c/0xa0
[  290.801834][ T4595]  ? clear_bhb_loop+0x30/0x80
[  290.806514][ T4595]  ? clear_bhb_loop+0x30/0x80
[  290.811272][ T4595]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  290.817157][ T4595] RIP: 0033:0x7ff98f745f4a
[  290.821562][ T4595] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  290.841245][ T4595] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.849669][ T4595] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  290.857661][ T4595] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  290.865631][ T4595] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  290.873692][ T4595] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  290.881659][ T4595] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  290.889650][ T4595]  </TASK>
[  290.896292][ T4595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.910406][ T4595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.261220][ T4598] loop1: detected capacity change from 0 to 32768
[  291.338191][ T4598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.346097][ T4598] CPU: 1 PID: 4598 Comm: syz.1.205 Not tainted syzkaller #0
[  291.353432][ T4598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  291.363513][ T4598] Call Trace:
[  291.366820][ T4598]  <TASK>
[  291.369781][ T4598]  dump_stack_lvl+0x188/0x250
[  291.374498][ T4598]  ? show_regs_print_info+0x20/0x20
[  291.379727][ T4598]  ? load_image+0x400/0x400
[  291.384297][ T4598]  sysfs_create_dir_ns+0x26a/0x290
[  291.389439][ T4598]  ? sysfs_warn_dup+0xa0/0xa0
[  291.394146][ T4598]  ? do_raw_spin_unlock+0x11d/0x230
[  291.399391][ T4598]  kobject_add_internal+0x6e0/0xd90
[  291.404634][ T4598]  kobject_init_and_add+0x128/0x190
[  291.409863][ T4598]  ? lockdep_softirqs_off+0x430/0x430
[  291.415272][ T4598]  ? kobject_add+0x230/0x230
[  291.419899][ T4598]  ? __init_swait_queue_head+0xa5/0x150
[  291.425498][ T4598]  gfs2_sys_fs_add+0x24f/0x4b0
[  291.430283][ T4598]  ? gfs2_recover_set+0x240/0x240
[  291.435328][ T4598]  ? snprintf+0xe5/0x140
[  291.439601][ T4598]  ? __free_pages+0x95/0x1a0
[  291.444227][ T4598]  ? vscnprintf+0x80/0x80
[  291.448597][ T4598]  gfs2_fill_super+0x120f/0x1f00
[  291.453580][ T4598]  ? gfs2_reconfigure+0xd30/0xd30
[  291.458753][ T4598]  ? sb_set_blocksize+0xa5/0xe0
[  291.463641][ T4598]  get_tree_bdev+0x3f1/0x610
[  291.468265][ T4598]  ? gfs2_reconfigure+0xd30/0xd30
[  291.473332][ T4598]  gfs2_get_tree+0x4d/0x1e0
[  291.477874][ T4598]  vfs_get_tree+0x88/0x270
[  291.482322][ T4598]  do_new_mount+0x24a/0xa40
[  291.486870][ T4598]  __se_sys_mount+0x2e3/0x3d0
[  291.491772][ T4598]  ? __x64_sys_mount+0xc0/0xc0
[  291.496570][ T4598]  ? lockdep_hardirqs_on+0x94/0x140
[  291.501897][ T4598]  ? __x64_sys_mount+0x1c/0xc0
[  291.506697][ T4598]  do_syscall_64+0x4c/0xa0
[  291.511139][ T4598]  ? clear_bhb_loop+0x30/0x80
[  291.515847][ T4598]  ? clear_bhb_loop+0x30/0x80
[  291.520562][ T4598]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  291.526480][ T4598] RIP: 0033:0x7ff98f745f4a
[  291.530916][ T4598] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  291.550638][ T4598] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.559086][ T4598] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  291.567082][ T4598] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  291.575083][ T4598] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  291.583088][ T4598] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  291.591098][ T4598] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  291.599109][ T4598]  </TASK>
[  291.607828][ T4598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.621326][ T4598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.986005][ T4601] loop1: detected capacity change from 0 to 32768
[  292.005781][ T4601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.013289][ T4601] CPU: 1 PID: 4601 Comm: syz.1.206 Not tainted syzkaller #0
[  292.020611][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.030691][ T4601] Call Trace:
[  292.033998][ T4601]  <TASK>
[  292.036951][ T4601]  dump_stack_lvl+0x188/0x250
[  292.041672][ T4601]  ? show_regs_print_info+0x20/0x20
[  292.046923][ T4601]  ? load_image+0x400/0x400
[  292.051470][ T4601]  sysfs_create_dir_ns+0x26a/0x290
[  292.056609][ T4601]  ? sysfs_warn_dup+0xa0/0xa0
[  292.061318][ T4601]  ? do_raw_spin_unlock+0x11d/0x230
[  292.066555][ T4601]  kobject_add_internal+0x6e0/0xd90
[  292.071796][ T4601]  kobject_init_and_add+0x128/0x190
[  292.077024][ T4601]  ? lockdep_softirqs_off+0x430/0x430
[  292.082435][ T4601]  ? kobject_add+0x230/0x230
[  292.087070][ T4601]  ? __init_swait_queue_head+0xa5/0x150
[  292.092647][ T4601]  gfs2_sys_fs_add+0x24f/0x4b0
[  292.097449][ T4601]  ? gfs2_recover_set+0x240/0x240
[  292.102504][ T4601]  ? snprintf+0xe5/0x140
[  292.106787][ T4601]  ? __free_pages+0x95/0x1a0
[  292.111409][ T4601]  ? vscnprintf+0x80/0x80
[  292.115782][ T4601]  gfs2_fill_super+0x120f/0x1f00
[  292.120761][ T4601]  ? gfs2_reconfigure+0xd30/0xd30
[  292.125831][ T4601]  ? sb_set_blocksize+0xa5/0xe0
[  292.130713][ T4601]  get_tree_bdev+0x3f1/0x610
[  292.135352][ T4601]  ? gfs2_reconfigure+0xd30/0xd30
[  292.140380][ T4601]  gfs2_get_tree+0x4d/0x1e0
[  292.144905][ T4601]  vfs_get_tree+0x88/0x270
[  292.149340][ T4601]  do_new_mount+0x24a/0xa40
[  292.153859][ T4601]  __se_sys_mount+0x2e3/0x3d0
[  292.158536][ T4601]  ? __x64_sys_mount+0xc0/0xc0
[  292.163478][ T4601]  ? lockdep_hardirqs_on+0x94/0x140
[  292.168701][ T4601]  ? __x64_sys_mount+0x1c/0xc0
[  292.173516][ T4601]  do_syscall_64+0x4c/0xa0
[  292.177930][ T4601]  ? clear_bhb_loop+0x30/0x80
[  292.182606][ T4601]  ? clear_bhb_loop+0x30/0x80
[  292.187283][ T4601]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  292.193172][ T4601] RIP: 0033:0x7ff98f745f4a
[  292.197587][ T4601] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  292.217233][ T4601] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.225674][ T4601] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  292.233646][ T4601] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  292.241621][ T4601] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  292.249599][ T4601] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  292.257564][ T4601] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  292.265575][ T4601]  </TASK>
[  292.270705][ T4601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.284191][ T4601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.648414][ T4602] loop1: detected capacity change from 0 to 32768
[  292.696068][ T4602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.703598][ T4602] CPU: 1 PID: 4602 Comm: syz.1.207 Not tainted syzkaller #0
[  292.710916][ T4602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.721000][ T4602] Call Trace:
[  292.724306][ T4602]  <TASK>
[  292.727354][ T4602]  dump_stack_lvl+0x188/0x250
[  292.732069][ T4602]  ? show_regs_print_info+0x20/0x20
[  292.737307][ T4602]  ? load_image+0x400/0x400
[  292.741949][ T4602]  sysfs_create_dir_ns+0x26a/0x290
[  292.747098][ T4602]  ? sysfs_warn_dup+0xa0/0xa0
[  292.751811][ T4602]  ? do_raw_spin_unlock+0x11d/0x230
[  292.757047][ T4602]  kobject_add_internal+0x6e0/0xd90
[  292.762288][ T4602]  kobject_init_and_add+0x128/0x190
[  292.767528][ T4602]  ? lockdep_softirqs_off+0x430/0x430
[  292.772943][ T4602]  ? kobject_add+0x230/0x230
[  292.777572][ T4602]  ? __init_swait_queue_head+0xa5/0x150
[  292.783154][ T4602]  gfs2_sys_fs_add+0x24f/0x4b0
[  292.787958][ T4602]  ? gfs2_recover_set+0x240/0x240
[  292.793012][ T4602]  ? snprintf+0xe5/0x140
[  292.797392][ T4602]  ? __free_pages+0x95/0x1a0
[  292.802028][ T4602]  ? vscnprintf+0x80/0x80
[  292.806400][ T4602]  gfs2_fill_super+0x120f/0x1f00
[  292.811388][ T4602]  ? gfs2_reconfigure+0xd30/0xd30
[  292.816473][ T4602]  ? sb_set_blocksize+0xa5/0xe0
[  292.821356][ T4602]  get_tree_bdev+0x3f1/0x610
[  292.825981][ T4602]  ? gfs2_reconfigure+0xd30/0xd30
[  292.831040][ T4602]  gfs2_get_tree+0x4d/0x1e0
[  292.835583][ T4602]  vfs_get_tree+0x88/0x270
[  292.840152][ T4602]  do_new_mount+0x24a/0xa40
[  292.844704][ T4602]  __se_sys_mount+0x2e3/0x3d0
[  292.849425][ T4602]  ? __x64_sys_mount+0xc0/0xc0
[  292.854238][ T4602]  ? lockdep_hardirqs_on+0x94/0x140
[  292.859582][ T4602]  ? __x64_sys_mount+0x1c/0xc0
[  292.864395][ T4602]  do_syscall_64+0x4c/0xa0
[  292.868844][ T4602]  ? clear_bhb_loop+0x30/0x80
[  292.873548][ T4602]  ? clear_bhb_loop+0x30/0x80
[  292.878265][ T4602]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  292.884189][ T4602] RIP: 0033:0x7ff98f745f4a
[  292.888638][ T4602] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  292.908277][ T4602] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.916731][ T4602] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  292.924732][ T4602] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  292.932735][ T4602] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  292.940731][ T4602] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  292.948733][ T4602] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  292.956748][ T4602]  </TASK>
[  292.960551][ T4602] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.974025][ T4602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.344991][ T4603] loop1: detected capacity change from 0 to 32768
[  293.408624][ T4603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.416161][ T4603] CPU: 0 PID: 4603 Comm: syz.1.208 Not tainted syzkaller #0
[  293.423485][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  293.433566][ T4603] Call Trace:
[  293.436878][ T4603]  <TASK>
[  293.439833][ T4603]  dump_stack_lvl+0x188/0x250
[  293.444558][ T4603]  ? show_regs_print_info+0x20/0x20
[  293.449794][ T4603]  ? load_image+0x400/0x400
[  293.454345][ T4603]  sysfs_create_dir_ns+0x26a/0x290
[  293.459487][ T4603]  ? sysfs_warn_dup+0xa0/0xa0
[  293.464189][ T4603]  ? do_raw_spin_unlock+0x11d/0x230
[  293.469417][ T4603]  kobject_add_internal+0x6e0/0xd90
[  293.474650][ T4603]  kobject_init_and_add+0x128/0x190
[  293.479877][ T4603]  ? lockdep_softirqs_off+0x430/0x430
[  293.485280][ T4603]  ? kobject_add+0x230/0x230
[  293.489896][ T4603]  ? __init_swait_queue_head+0xa5/0x150
[  293.495479][ T4603]  gfs2_sys_fs_add+0x24f/0x4b0
[  293.500279][ T4603]  ? gfs2_recover_set+0x240/0x240
[  293.505329][ T4603]  ? snprintf+0xe5/0x140
[  293.509603][ T4603]  ? __free_pages+0x95/0x1a0
[  293.514236][ T4603]  ? vscnprintf+0x80/0x80
[  293.518629][ T4603]  gfs2_fill_super+0x120f/0x1f00
[  293.523620][ T4603]  ? gfs2_reconfigure+0xd30/0xd30
[  293.528688][ T4603]  ? sb_set_blocksize+0xa5/0xe0
[  293.533568][ T4603]  get_tree_bdev+0x3f1/0x610
[  293.538195][ T4603]  ? gfs2_reconfigure+0xd30/0xd30
[  293.543253][ T4603]  gfs2_get_tree+0x4d/0x1e0
[  293.547790][ T4603]  vfs_get_tree+0x88/0x270
[  293.552238][ T4603]  do_new_mount+0x24a/0xa40
[  293.556784][ T4603]  __se_sys_mount+0x2e3/0x3d0
[  293.561496][ T4603]  ? __x64_sys_mount+0xc0/0xc0
[  293.566401][ T4603]  ? lockdep_hardirqs_on+0x94/0x140
[  293.571646][ T4603]  ? __x64_sys_mount+0x1c/0xc0
[  293.576454][ T4603]  do_syscall_64+0x4c/0xa0
[  293.580896][ T4603]  ? clear_bhb_loop+0x30/0x80
[  293.585596][ T4603]  ? clear_bhb_loop+0x30/0x80
[  293.590294][ T4603]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  293.596212][ T4603] RIP: 0033:0x7ff98f745f4a
[  293.600649][ T4603] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  293.620377][ T4603] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.628830][ T4603] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  293.636827][ T4603] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  293.644829][ T4603] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  293.652828][ T4603] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  293.660826][ T4603] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  293.668846][ T4603]  </TASK>
[  293.676140][ T4603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.691630][ T4603] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.067085][ T4605] loop1: detected capacity change from 0 to 32768
[  294.115315][ T4605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.123400][ T4605] CPU: 0 PID: 4605 Comm: syz.1.209 Not tainted syzkaller #0
[  294.130738][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  294.140816][ T4605] Call Trace:
[  294.144122][ T4605]  <TASK>
[  294.147077][ T4605]  dump_stack_lvl+0x188/0x250
[  294.151790][ T4605]  ? show_regs_print_info+0x20/0x20
[  294.157041][ T4605]  ? load_image+0x400/0x400
[  294.161595][ T4605]  sysfs_create_dir_ns+0x26a/0x290
[  294.166742][ T4605]  ? sysfs_warn_dup+0xa0/0xa0
[  294.171452][ T4605]  ? do_raw_spin_unlock+0x11d/0x230
[  294.176687][ T4605]  kobject_add_internal+0x6e0/0xd90
[  294.181946][ T4605]  kobject_init_and_add+0x128/0x190
[  294.187173][ T4605]  ? lockdep_softirqs_off+0x430/0x430
[  294.192600][ T4605]  ? kobject_add+0x230/0x230
[  294.197229][ T4605]  ? __init_swait_queue_head+0xa5/0x150
[  294.202814][ T4605]  gfs2_sys_fs_add+0x24f/0x4b0
[  294.207615][ T4605]  ? gfs2_recover_set+0x240/0x240
[  294.212677][ T4605]  ? snprintf+0xe5/0x140
[  294.216948][ T4605]  ? __free_pages+0x95/0x1a0
[  294.221566][ T4605]  ? vscnprintf+0x80/0x80
[  294.225931][ T4605]  gfs2_fill_super+0x120f/0x1f00
[  294.230914][ T4605]  ? gfs2_reconfigure+0xd30/0xd30
[  294.235988][ T4605]  ? sb_set_blocksize+0xa5/0xe0
[  294.240864][ T4605]  get_tree_bdev+0x3f1/0x610
[  294.245486][ T4605]  ? gfs2_reconfigure+0xd30/0xd30
[  294.250543][ T4605]  gfs2_get_tree+0x4d/0x1e0
[  294.255086][ T4605]  vfs_get_tree+0x88/0x270
[  294.259534][ T4605]  do_new_mount+0x24a/0xa40
[  294.264071][ T4605]  __se_sys_mount+0x2e3/0x3d0
[  294.268782][ T4605]  ? __x64_sys_mount+0xc0/0xc0
[  294.273577][ T4605]  ? lockdep_hardirqs_on+0x94/0x140
[  294.278794][ T4605]  ? __x64_sys_mount+0x1c/0xc0
[  294.283581][ T4605]  do_syscall_64+0x4c/0xa0
[  294.288024][ T4605]  ? clear_bhb_loop+0x30/0x80
[  294.292745][ T4605]  ? clear_bhb_loop+0x30/0x80
[  294.297452][ T4605]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  294.303381][ T4605] RIP: 0033:0x7ff98f745f4a
[  294.307818][ T4605] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  294.327449][ T4605] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.335885][ T4605] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  294.343874][ T4605] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  294.351876][ T4605] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  294.359884][ T4605] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  294.367878][ T4605] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  294.375915][ T4605]  </TASK>
[  294.385623][ T4605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.398911][ T4605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.775920][ T4606] loop1: detected capacity change from 0 to 32768
[  294.826437][ T4606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.835644][ T4606] CPU: 0 PID: 4606 Comm: syz.1.210 Not tainted syzkaller #0
[  294.842974][ T4606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  294.853071][ T4606] Call Trace:
[  294.856530][ T4606]  <TASK>
[  294.859494][ T4606]  dump_stack_lvl+0x188/0x250
[  294.864211][ T4606]  ? show_regs_print_info+0x20/0x20
[  294.869461][ T4606]  ? load_image+0x400/0x400
[  294.874018][ T4606]  sysfs_create_dir_ns+0x26a/0x290
[  294.879183][ T4606]  ? sysfs_warn_dup+0xa0/0xa0
[  294.883895][ T4606]  ? do_raw_spin_unlock+0x11d/0x230
[  294.889131][ T4606]  kobject_add_internal+0x6e0/0xd90
[  294.894446][ T4606]  kobject_init_and_add+0x128/0x190
[  294.899676][ T4606]  ? lockdep_softirqs_off+0x430/0x430
[  294.905091][ T4606]  ? kobject_add+0x230/0x230
[  294.909724][ T4606]  ? __init_swait_queue_head+0xa5/0x150
[  294.915395][ T4606]  gfs2_sys_fs_add+0x24f/0x4b0
[  294.920208][ T4606]  ? gfs2_recover_set+0x240/0x240
[  294.925276][ T4606]  ? snprintf+0xe5/0x140
[  294.929583][ T4606]  ? __free_pages+0x95/0x1a0
[  294.934216][ T4606]  ? vscnprintf+0x80/0x80
[  294.938597][ T4606]  gfs2_fill_super+0x120f/0x1f00
[  294.943585][ T4606]  ? gfs2_reconfigure+0xd30/0xd30
[  294.948673][ T4606]  ? sb_set_blocksize+0xa5/0xe0
[  294.953604][ T4606]  get_tree_bdev+0x3f1/0x610
[  294.958233][ T4606]  ? gfs2_reconfigure+0xd30/0xd30
[  294.963305][ T4606]  gfs2_get_tree+0x4d/0x1e0
[  294.967845][ T4606]  vfs_get_tree+0x88/0x270
[  294.972303][ T4606]  do_new_mount+0x24a/0xa40
[  294.976872][ T4606]  __se_sys_mount+0x2e3/0x3d0
[  294.981593][ T4606]  ? __x64_sys_mount+0xc0/0xc0
[  294.986394][ T4606]  ? lockdep_hardirqs_on+0x94/0x140
[  294.991637][ T4606]  ? __x64_sys_mount+0x1c/0xc0
[  294.996434][ T4606]  do_syscall_64+0x4c/0xa0
[  295.000877][ T4606]  ? clear_bhb_loop+0x30/0x80
[  295.005590][ T4606]  ? clear_bhb_loop+0x30/0x80
[  295.010306][ T4606]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  295.016227][ T4606] RIP: 0033:0x7ff98f745f4a
[  295.020672][ T4606] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  295.040311][ T4606] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.048762][ T4606] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  295.056761][ T4606] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  295.064769][ T4606] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  295.072804][ T4606] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  295.080809][ T4606] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  295.088842][ T4606]  </TASK>
[  295.096454][ T4606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.109652][ T4606] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 10:33:08 executed programs: 196
[  295.364510][ T4607] loop1: detected capacity change from 0 to 32768
[  295.416452][ T4607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.424090][ T4607] CPU: 1 PID: 4607 Comm: syz.1.211 Not tainted syzkaller #0
[  295.431406][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.441542][ T4607] Call Trace:
[  295.444856][ T4607]  <TASK>
[  295.447822][ T4607]  dump_stack_lvl+0x188/0x250
[  295.452552][ T4607]  ? show_regs_print_info+0x20/0x20
[  295.457788][ T4607]  ? load_image+0x400/0x400
[  295.462346][ T4607]  sysfs_create_dir_ns+0x26a/0x290
[  295.467501][ T4607]  ? sysfs_warn_dup+0xa0/0xa0
[  295.472218][ T4607]  ? do_raw_spin_unlock+0x11d/0x230
[  295.477455][ T4607]  kobject_add_internal+0x6e0/0xd90
[  295.482694][ T4607]  kobject_init_and_add+0x128/0x190
[  295.487924][ T4607]  ? lockdep_softirqs_off+0x430/0x430
[  295.493425][ T4607]  ? kobject_add+0x230/0x230
[  295.498153][ T4607]  ? __init_swait_queue_head+0xa5/0x150
[  295.503783][ T4607]  gfs2_sys_fs_add+0x24f/0x4b0
[  295.508586][ T4607]  ? gfs2_recover_set+0x240/0x240
[  295.513686][ T4607]  ? snprintf+0xe5/0x140
[  295.517964][ T4607]  ? __free_pages+0x95/0x1a0
[  295.522735][ T4607]  ? vscnprintf+0x80/0x80
[  295.527112][ T4607]  gfs2_fill_super+0x120f/0x1f00
[  295.532102][ T4607]  ? gfs2_reconfigure+0xd30/0xd30
[  295.537183][ T4607]  ? sb_set_blocksize+0xa5/0xe0
[  295.542071][ T4607]  get_tree_bdev+0x3f1/0x610
[  295.546695][ T4607]  ? gfs2_reconfigure+0xd30/0xd30
[  295.551834][ T4607]  gfs2_get_tree+0x4d/0x1e0
[  295.556378][ T4607]  vfs_get_tree+0x88/0x270
[  295.560825][ T4607]  do_new_mount+0x24a/0xa40
[  295.565363][ T4607]  __se_sys_mount+0x2e3/0x3d0
[  295.570074][ T4607]  ? __x64_sys_mount+0xc0/0xc0
[  295.574966][ T4607]  ? lockdep_hardirqs_on+0x94/0x140
[  295.580197][ T4607]  ? __x64_sys_mount+0x1c/0xc0
[  295.584991][ T4607]  do_syscall_64+0x4c/0xa0
[  295.589429][ T4607]  ? clear_bhb_loop+0x30/0x80
[  295.594133][ T4607]  ? clear_bhb_loop+0x30/0x80
[  295.598861][ T4607]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  295.604786][ T4607] RIP: 0033:0x7ff98f745f4a
[  295.609234][ T4607] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  295.628998][ T4607] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.637563][ T4607] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  295.645573][ T4607] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  295.653588][ T4607] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  295.661590][ T4607] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  295.669587][ T4607] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  295.677611][ T4607]  </TASK>
[  295.684915][ T4607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.698171][ T4607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.960172][ T4608] loop1: detected capacity change from 0 to 32768
[  296.068119][ T4608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.075546][ T4608] CPU: 1 PID: 4608 Comm: syz.1.212 Not tainted syzkaller #0
[  296.082856][ T4608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  296.092944][ T4608] Call Trace:
[  296.096254][ T4608]  <TASK>
[  296.099216][ T4608]  dump_stack_lvl+0x188/0x250
[  296.103934][ T4608]  ? show_regs_print_info+0x20/0x20
[  296.109173][ T4608]  ? load_image+0x400/0x400
[  296.113737][ T4608]  sysfs_create_dir_ns+0x26a/0x290
[  296.118879][ T4608]  ? sysfs_warn_dup+0xa0/0xa0
[  296.123596][ T4608]  ? do_raw_spin_unlock+0x11d/0x230
[  296.128833][ T4608]  kobject_add_internal+0x6e0/0xd90
[  296.134073][ T4608]  kobject_init_and_add+0x128/0x190
[  296.139302][ T4608]  ? lockdep_softirqs_off+0x430/0x430
[  296.144713][ T4608]  ? kobject_add+0x230/0x230
[  296.149359][ T4608]  ? __init_swait_queue_head+0xa5/0x150
[  296.154951][ T4608]  gfs2_sys_fs_add+0x24f/0x4b0
[  296.159759][ T4608]  ? gfs2_recover_set+0x240/0x240
[  296.164824][ T4608]  ? snprintf+0xe5/0x140
[  296.169105][ T4608]  ? __free_pages+0x95/0x1a0
[  296.173729][ T4608]  ? vscnprintf+0x80/0x80
[  296.178109][ T4608]  gfs2_fill_super+0x120f/0x1f00
[  296.183106][ T4608]  ? gfs2_reconfigure+0xd30/0xd30
[  296.188191][ T4608]  ? sb_set_blocksize+0xa5/0xe0
[  296.193073][ T4608]  get_tree_bdev+0x3f1/0x610
[  296.197712][ T4608]  ? gfs2_reconfigure+0xd30/0xd30
[  296.202783][ T4608]  gfs2_get_tree+0x4d/0x1e0
[  296.207366][ T4608]  vfs_get_tree+0x88/0x270
[  296.211824][ T4608]  do_new_mount+0x24a/0xa40
[  296.216372][ T4608]  __se_sys_mount+0x2e3/0x3d0
[  296.221131][ T4608]  ? __x64_sys_mount+0xc0/0xc0
[  296.225950][ T4608]  ? lockdep_hardirqs_on+0x94/0x140
[  296.231199][ T4608]  ? __x64_sys_mount+0x1c/0xc0
[  296.235987][ T4608]  do_syscall_64+0x4c/0xa0
[  296.240440][ T4608]  ? clear_bhb_loop+0x30/0x80
[  296.245150][ T4608]  ? clear_bhb_loop+0x30/0x80
[  296.249872][ T4608]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  296.255794][ T4608] RIP: 0033:0x7ff98f745f4a
[  296.260230][ T4608] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  296.279867][ T4608] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.288318][ T4608] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  296.296332][ T4608] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  296.304344][ T4608] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  296.312357][ T4608] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  296.320366][ T4608] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  296.328368][ T4608]  </TASK>
[  296.334619][ T4608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.348083][ T4608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.727328][ T4609] loop1: detected capacity change from 0 to 32768
[  296.775548][ T4609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.783588][ T4609] CPU: 0 PID: 4609 Comm: syz.1.213 Not tainted syzkaller #0
[  296.790948][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  296.801043][ T4609] Call Trace:
[  296.804368][ T4609]  <TASK>
[  296.807324][ T4609]  dump_stack_lvl+0x188/0x250
[  296.812054][ T4609]  ? show_regs_print_info+0x20/0x20
[  296.817290][ T4609]  ? load_image+0x400/0x400
[  296.821846][ T4609]  sysfs_create_dir_ns+0x26a/0x290
[  296.826990][ T4609]  ? sysfs_warn_dup+0xa0/0xa0
[  296.831847][ T4609]  ? do_raw_spin_unlock+0x11d/0x230
[  296.837090][ T4609]  kobject_add_internal+0x6e0/0xd90
[  296.842348][ T4609]  kobject_init_and_add+0x128/0x190
[  296.847596][ T4609]  ? lockdep_softirqs_off+0x430/0x430
[  296.853208][ T4609]  ? kobject_add+0x230/0x230
[  296.857865][ T4609]  ? __init_swait_queue_head+0xa5/0x150
[  296.863456][ T4609]  gfs2_sys_fs_add+0x24f/0x4b0
[  296.868255][ T4609]  ? gfs2_recover_set+0x240/0x240
[  296.873316][ T4609]  ? snprintf+0xe5/0x140
[  296.877601][ T4609]  ? __free_pages+0x95/0x1a0
[  296.882219][ T4609]  ? vscnprintf+0x80/0x80
[  296.886585][ T4609]  gfs2_fill_super+0x120f/0x1f00
[  296.891560][ T4609]  ? gfs2_reconfigure+0xd30/0xd30
[  296.896642][ T4609]  ? sb_set_blocksize+0xa5/0xe0
[  296.901521][ T4609]  get_tree_bdev+0x3f1/0x610
[  296.906140][ T4609]  ? gfs2_reconfigure+0xd30/0xd30
[  296.911196][ T4609]  gfs2_get_tree+0x4d/0x1e0
[  296.915746][ T4609]  vfs_get_tree+0x88/0x270
[  296.920198][ T4609]  do_new_mount+0x24a/0xa40
[  296.924740][ T4609]  __se_sys_mount+0x2e3/0x3d0
[  296.929457][ T4609]  ? __x64_sys_mount+0xc0/0xc0
[  296.934270][ T4609]  ? lockdep_hardirqs_on+0x94/0x140
[  296.939533][ T4609]  ? __x64_sys_mount+0x1c/0xc0
[  296.944338][ T4609]  do_syscall_64+0x4c/0xa0
[  296.948781][ T4609]  ? clear_bhb_loop+0x30/0x80
[  296.953487][ T4609]  ? clear_bhb_loop+0x30/0x80
[  296.958196][ T4609]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  296.964118][ T4609] RIP: 0033:0x7ff98f745f4a
[  296.968560][ T4609] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  296.988193][ T4609] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.996669][ T4609] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  297.004676][ T4609] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  297.012675][ T4609] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  297.020673][ T4609] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  297.028773][ T4609] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  297.036799][ T4609]  </TASK>
[  297.044362][ T4609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.057583][ T4609] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.406492][ T4610] loop1: detected capacity change from 0 to 32768
[  297.455576][ T4610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.463185][ T4610] CPU: 0 PID: 4610 Comm: syz.1.214 Not tainted syzkaller #0
[  297.470495][ T4610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  297.480569][ T4610] Call Trace:
[  297.483872][ T4610]  <TASK>
[  297.486829][ T4610]  dump_stack_lvl+0x188/0x250
[  297.491564][ T4610]  ? show_regs_print_info+0x20/0x20
[  297.496795][ T4610]  ? load_image+0x400/0x400
[  297.501444][ T4610]  sysfs_create_dir_ns+0x26a/0x290
[  297.506587][ T4610]  ? sysfs_warn_dup+0xa0/0xa0
[  297.511289][ T4610]  ? do_raw_spin_unlock+0x11d/0x230
[  297.516529][ T4610]  kobject_add_internal+0x6e0/0xd90
[  297.521776][ T4610]  kobject_init_and_add+0x128/0x190
[  297.527032][ T4610]  ? lockdep_softirqs_off+0x430/0x430
[  297.532466][ T4610]  ? kobject_add+0x230/0x230
[  297.537097][ T4610]  ? __init_swait_queue_head+0xa5/0x150
[  297.542683][ T4610]  gfs2_sys_fs_add+0x24f/0x4b0
[  297.547483][ T4610]  ? gfs2_recover_set+0x240/0x240
[  297.552534][ T4610]  ? snprintf+0xe5/0x140
[  297.556804][ T4610]  ? __free_pages+0x95/0x1a0
[  297.561520][ T4610]  ? vscnprintf+0x80/0x80
[  297.565895][ T4610]  gfs2_fill_super+0x120f/0x1f00
[  297.570875][ T4610]  ? gfs2_reconfigure+0xd30/0xd30
[  297.575949][ T4610]  ? sb_set_blocksize+0xa5/0xe0
[  297.580825][ T4610]  get_tree_bdev+0x3f1/0x610
[  297.585453][ T4610]  ? gfs2_reconfigure+0xd30/0xd30
[  297.590512][ T4610]  gfs2_get_tree+0x4d/0x1e0
[  297.595057][ T4610]  vfs_get_tree+0x88/0x270
[  297.599507][ T4610]  do_new_mount+0x24a/0xa40
[  297.604063][ T4610]  __se_sys_mount+0x2e3/0x3d0
[  297.608790][ T4610]  ? __x64_sys_mount+0xc0/0xc0
[  297.613595][ T4610]  ? lockdep_hardirqs_on+0x94/0x140
[  297.618814][ T4610]  ? __x64_sys_mount+0x1c/0xc0
[  297.623604][ T4610]  do_syscall_64+0x4c/0xa0
[  297.628070][ T4610]  ? clear_bhb_loop+0x30/0x80
[  297.632770][ T4610]  ? clear_bhb_loop+0x30/0x80
[  297.637486][ T4610]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  297.643423][ T4610] RIP: 0033:0x7ff98f745f4a
[  297.647864][ T4610] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  297.667593][ T4610] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.676045][ T4610] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  297.684060][ T4610] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  297.692057][ T4610] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  297.700051][ T4610] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  297.708043][ T4610] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  297.716052][ T4610]  </TASK>
[  297.719662][ T4610] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.732864][ T4610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.031668][ T4611] loop1: detected capacity change from 0 to 32768
[  298.095329][ T4611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.107168][ T4611] CPU: 1 PID: 4611 Comm: syz.1.215 Not tainted syzkaller #0
[  298.114523][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  298.124613][ T4611] Call Trace:
[  298.127917][ T4611]  <TASK>
[  298.130891][ T4611]  dump_stack_lvl+0x188/0x250
[  298.135654][ T4611]  ? show_regs_print_info+0x20/0x20
[  298.140894][ T4611]  ? load_image+0x400/0x400
[  298.145463][ T4611]  sysfs_create_dir_ns+0x26a/0x290
[  298.150601][ T4611]  ? sysfs_warn_dup+0xa0/0xa0
[  298.155307][ T4611]  ? do_raw_spin_unlock+0x11d/0x230
[  298.160562][ T4611]  kobject_add_internal+0x6e0/0xd90
[  298.165804][ T4611]  kobject_init_and_add+0x128/0x190
[  298.171035][ T4611]  ? lockdep_softirqs_off+0x430/0x430
[  298.176445][ T4611]  ? kobject_add+0x230/0x230
[  298.181082][ T4611]  ? __init_swait_queue_head+0xa5/0x150
[  298.186666][ T4611]  gfs2_sys_fs_add+0x24f/0x4b0
[  298.191467][ T4611]  ? gfs2_recover_set+0x240/0x240
[  298.196523][ T4611]  ? snprintf+0xe5/0x140
[  298.200803][ T4611]  ? __free_pages+0x95/0x1a0
[  298.205426][ T4611]  ? vscnprintf+0x80/0x80
[  298.209804][ T4611]  gfs2_fill_super+0x120f/0x1f00
[  298.214792][ T4611]  ? gfs2_reconfigure+0xd30/0xd30
[  298.219870][ T4611]  ? sb_set_blocksize+0xa5/0xe0
[  298.225110][ T4611]  get_tree_bdev+0x3f1/0x610
[  298.229736][ T4611]  ? gfs2_reconfigure+0xd30/0xd30
[  298.234791][ T4611]  gfs2_get_tree+0x4d/0x1e0
[  298.239329][ T4611]  vfs_get_tree+0x88/0x270
[  298.243782][ T4611]  do_new_mount+0x24a/0xa40
[  298.248317][ T4611]  __se_sys_mount+0x2e3/0x3d0
[  298.253020][ T4611]  ? __x64_sys_mount+0xc0/0xc0
[  298.257852][ T4611]  ? lockdep_hardirqs_on+0x94/0x140
[  298.263076][ T4611]  ? __x64_sys_mount+0x1c/0xc0
[  298.267872][ T4611]  do_syscall_64+0x4c/0xa0
[  298.272312][ T4611]  ? clear_bhb_loop+0x30/0x80
[  298.277057][ T4611]  ? clear_bhb_loop+0x30/0x80
[  298.281773][ T4611]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  298.287708][ T4611] RIP: 0033:0x7ff98f745f4a
[  298.292145][ T4611] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  298.311796][ T4611] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.320256][ T4611] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  298.328263][ T4611] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  298.336273][ T4611] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  298.344276][ T4611] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  298.352280][ T4611] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  298.360299][ T4611]  </TASK>
[  298.370543][ T4611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.383931][ T4611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.762534][ T4612] loop1: detected capacity change from 0 to 32768
[  298.779496][ T4612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.787116][ T4612] CPU: 0 PID: 4612 Comm: syz.1.216 Not tainted syzkaller #0
[  298.794435][ T4612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  298.804524][ T4612] Call Trace:
[  298.807829][ T4612]  <TASK>
[  298.810787][ T4612]  dump_stack_lvl+0x188/0x250
[  298.815534][ T4612]  ? show_regs_print_info+0x20/0x20
[  298.820760][ T4612]  ? load_image+0x400/0x400
[  298.825300][ T4612]  sysfs_create_dir_ns+0x26a/0x290
[  298.830444][ T4612]  ? sysfs_warn_dup+0xa0/0xa0
[  298.835151][ T4612]  ? do_raw_spin_unlock+0x11d/0x230
[  298.840395][ T4612]  kobject_add_internal+0x6e0/0xd90
[  298.845635][ T4612]  kobject_init_and_add+0x128/0x190
[  298.850876][ T4612]  ? lockdep_softirqs_off+0x430/0x430
[  298.856295][ T4612]  ? kobject_add+0x230/0x230
[  298.860940][ T4612]  ? __init_swait_queue_head+0xa5/0x150
[  298.866529][ T4612]  gfs2_sys_fs_add+0x24f/0x4b0
[  298.871316][ T4612]  ? gfs2_recover_set+0x240/0x240
[  298.876367][ T4612]  ? snprintf+0xe5/0x140
[  298.880634][ T4612]  ? __free_pages+0x95/0x1a0
[  298.885254][ T4612]  ? vscnprintf+0x80/0x80
[  298.889618][ T4612]  gfs2_fill_super+0x120f/0x1f00
[  298.894591][ T4612]  ? gfs2_reconfigure+0xd30/0xd30
[  298.899660][ T4612]  ? sb_set_blocksize+0xa5/0xe0
[  298.904538][ T4612]  get_tree_bdev+0x3f1/0x610
[  298.909163][ T4612]  ? gfs2_reconfigure+0xd30/0xd30
[  298.914225][ T4612]  gfs2_get_tree+0x4d/0x1e0
[  298.918765][ T4612]  vfs_get_tree+0x88/0x270
[  298.923210][ T4612]  do_new_mount+0x24a/0xa40
[  298.927745][ T4612]  __se_sys_mount+0x2e3/0x3d0
[  298.932458][ T4612]  ? __x64_sys_mount+0xc0/0xc0
[  298.937255][ T4612]  ? lockdep_hardirqs_on+0x94/0x140
[  298.942479][ T4612]  ? __x64_sys_mount+0x1c/0xc0
[  298.947290][ T4612]  do_syscall_64+0x4c/0xa0
[  298.951729][ T4612]  ? clear_bhb_loop+0x30/0x80
[  298.956422][ T4612]  ? clear_bhb_loop+0x30/0x80
[  298.961142][ T4612]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  298.967058][ T4612] RIP: 0033:0x7ff98f745f4a
[  298.971494][ T4612] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  298.991122][ T4612] RSP: 002b:00007ffd1a591968 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.999567][ T4612] RAX: ffffffffffffffda RBX: 00007ffd1a5919f0 RCX: 00007ff98f745f4a
[  299.007562][ T4612] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd1a5919b0
[  299.015556][ T4612] RBP: 00002000000002c0 R08: 00007ffd1a5919f0 R09: 0000000000008c9b
[  299.023557][ T4612] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  299.031556][ T4612] R13: 00007ffd1a5919b0 R14: 0000000000012760 R15: 0000200000000400
[  299.039624][ T4612]  </TASK>
[  299.043433][ T4612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.056725][ T4612] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.146371][   T27] INFO: task syz-executor:4306 blocked for more than 143 seconds.
[  299.154443][   T27]       Not tainted syzkaller #0
[  299.159717][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  299.168641][   T27] task:syz-executor    state:D stack:21808 pid: 4306 ppid:     1 flags:0x00004004
[  299.178101][   T27] Call Trace:
[  299.181403][   T27]  <TASK>
[  299.184355][   T27]  __schedule+0x11ef/0x43c0
[  299.189271][   T27]  ? _raw_spin_lock_irqsave+0x8b/0x100
[  299.194785][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  299.200345][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  299.212573][   T27]  ? _raw_spin_unlock+0x40/0x40
[  299.223132][   T27]  ? rcu_is_watching+0x11/0xa0
[  299.228382][   T27]  ? release_firmware_map_entry+0x190/0x190
[  299.234323][   T27]  schedule+0x11b/0x1e0
[  299.239057][   T27]  schedule_timeout+0x184/0x2d0
[  299.243995][   T27]  ? console_conditional_schedule+0x40/0x40
[  299.250309][   T27]  ? update_process_times+0x200/0x200
[  299.255723][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  299.263643][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  299.268928][   T27]  ? thaw_glock+0x150/0x150
[  299.273470][   T27]  ? gfs2_jindex_free+0x3a3/0x410
[  299.280932][   T27]  ? init_wait_entry+0xd0/0xd0
[  299.285735][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  299.290682][   T27]  gfs2_put_super+0x769/0x7d0
[  299.295412][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  299.303183][   T27]  generic_shutdown_super+0x130/0x300
[  299.308962][   T27]  kill_block_super+0x7c/0xe0
[  299.313711][   T27]  deactivate_locked_super+0x93/0xf0
[  299.321573][   T27]  cleanup_mnt+0x42d/0x4e0
[  299.326052][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  299.331603][   T27]  task_work_run+0x125/0x1a0
[  299.338854][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  299.344286][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  299.350217][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  299.355729][   T27]  do_syscall_64+0x58/0xa0
[  299.362984][   T27]  ? clear_bhb_loop+0x30/0x80
[  299.368206][   T27]  ? clear_bhb_loop+0x30/0x80
[  299.372932][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  299.399408][   T27] RIP: 0033:0x7fe8724fff17
[  299.403898][   T27] RSP: 002b:00007fff1a6df498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  299.418494][   T27] RAX: 0000000000000000 RBX: 00007fe87256871f RCX: 00007fe8724fff17
[  299.426704][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1a6df550
[  299.434713][   T27] RBP: 00007fff1a6df550 R08: 00007fff1a6e0550 R09: 00000000ffffffff
[  299.443276][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff1a6e05e0
[  299.451765][   T27] R13: 00007fe87256871f R14: 00000000000241ff R15: 00007fff1a6e0620
[  299.459952][   T27]  </TASK>
[  299.463120][   T27] 
[  299.463120][   T27] Showing all locks held in the system:
[  299.476614][   T27] 1 lock held by khungtaskd/27:
[  299.481588][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  299.492609][   T27] 2 locks held by getty/3948:
[  299.498414][   T27]  #0: ffff88802c743098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  299.509341][   T27]  #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  299.520635][   T27] 1 lock held by syz-executor/4306:
[  299.525864][   T27]  #0: ffff88807c5960e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  299.538211][   T27] 1 lock held by syz.1.217/4613:
[  299.543862][   T27] 
[  299.546306][   T27] =============================================
[  299.546306][   T27] 
[  299.554743][   T27] NMI backtrace for cpu 0
[  299.559088][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  299.566307][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.576376][   T27] Call Trace:
[  299.579673][   T27]  <TASK>
[  299.582626][   T27]  dump_stack_lvl+0x188/0x250
[  299.587360][   T27]  ? show_regs_print_info+0x20/0x20
[  299.592625][   T27]  ? load_image+0x400/0x400
[  299.597154][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  299.602560][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  299.607707][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  299.612680][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  299.618896][   T27]  ? _printk+0xda/0x130
[  299.623087][   T27]  ? load_image+0x400/0x400
[  299.627625][   T27]  ? load_image+0x400/0x400
[  299.632156][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  299.638253][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  299.644370][   T27]  watchdog+0xe0f/0xe50
[  299.648583][   T27]  kthread+0x436/0x520
[  299.652683][   T27]  ? hungtask_pm_notify+0x40/0x40
[  299.657735][   T27]  ? kthread_blkcg+0xd0/0xd0
[  299.662358][   T27]  ret_from_fork+0x1f/0x30
[  299.666810][   T27]  </TASK>
[  299.670208][   T27] Sending NMI from CPU 0 to CPUs 1:
[  299.675481][    C1] NMI backtrace for cpu 1
[  299.675491][    C1] CPU: 1 PID: 4613 Comm: syz.1.217 Not tainted syzkaller #0
[  299.675508][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.675517][    C1] RIP: 0010:kasan_check_range+0xa7/0x290
[  299.675541][    C1] Code: 4c 01 f3 41 80 3b 00 0f 85 86 01 00 00 49 ff c3 48 ff c3 75 ee e9 18 01 00 00 44 89 dd 83 e5 07 0f 84 b5 00 00 00 41 80 3b 00 <4d> 89 df 0f 85 97 01 00 00 83 fd 07 0f 84 8d 00 00 00 43 80 3c 26
[  299.675556][    C1] RSP: 0000:fffffe0000049ef8 EFLAGS: 00000046
[  299.675570][    C1] RAX: 0000000000000001 RBX: fffffbc000009400 RCX: ffffffff89e01138
[  299.675582][    C1] RDX: 0000000000000000 RSI: 00000000000000a8 RDI: fffffe0000049f58
[  299.675593][    C1] RBP: 0000000000000003 R08: fffffe0000049fff R09: 1fffffc0000093ff
[  299.675604][    C1] R10: dffffc0000000000 R11: fffffbc0000093eb R12: dffffc0000000001
[  299.675617][    C1] R13: 0000000000000000 R14: 1fffffc0000093eb R15: 0000000000000015
[  299.675628][    C1] FS:  000055559541a500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[  299.675643][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  299.675654][    C1] CR2: 00007ff98729c000 CR3: 000000007539b000 CR4: 00000000003506e0
[  299.675669][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  299.675678][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  299.675689][    C1] Call Trace:
[  299.675694][    C1]  <ENTRY_TRAMPOLINE>
[  299.675701][    C1]  ? error_entry+0x78/0xf0
[  299.675718][    C1]  memcpy+0x25/0x60
[  299.675737][    C1]  error_entry+0x78/0xf0
[  299.675751][    C1] RIP: 0033:0x7ff98f5fc898
[  299.675763][    C1] RSP: 002b:00007ffd1a590f80 EFLAGS: 00010202 ORIG_RAX: 0000000000000006
[  299.675778][    C1] RAX: 00000000008f3000 RBX: 00007ffd1a591040 RCX: 0000000000000101
[  299.675789][    C1] RDX: 00000000000003ff RSI: 0000000000001000 RDI: 00007ffd1a5910e0
[  299.675800][    C1] RBP: 0000000000000102 R08: 00007ff9869a9000 R09: 0000000000000001
[  299.675811][    C1] R10: 0000200000002bc2 R11: 000000000001275e R12: 0000000000000c01
[  299.675822][    C1] R13: 00007ff98f7f1880 R14: 0000000000000017 R15: 00007ffd1a5910e0
[  299.675833][    C1]  ? asm_exc_page_fault+0x9/0x30
[  299.675856][    C1]  </ENTRY_TRAMPOLINE>
[  299.683665][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  299.897143][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  299.904367][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.914451][   T27] Call Trace:
[  299.917762][   T27]  <TASK>
[  299.920715][   T27]  dump_stack_lvl+0x188/0x250
[  299.925431][   T27]  ? show_regs_print_info+0x20/0x20
[  299.930657][   T27]  ? load_image+0x400/0x400
[  299.935202][   T27]  panic+0x2e5/0x810
[  299.939142][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  299.944806][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  299.949343][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  299.954923][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  299.961108][   T27]  watchdog+0xe4e/0xe50
[  299.965299][   T27]  kthread+0x436/0x520
[  299.969396][   T27]  ? hungtask_pm_notify+0x40/0x40
[  299.974460][   T27]  ? kthread_blkcg+0xd0/0xd0
[  299.979085][   T27]  ret_from_fork+0x1f/0x30
[  299.983537][   T27]  </TASK>
[  299.986992][   T27] Kernel Offset: disabled
[  299.991345][   T27] Rebooting in 86400 seconds..