? sb_set_blocksize+0xa5/0xe0
[  225.155623][ T5691]  get_tree_bdev+0x3f1/0x610
[  225.160216][ T5691]  ? gfs2_reconfigure+0xd30/0xd30
[  225.165391][ T5691]  gfs2_get_tree+0x4d/0x1e0
[  225.169938][ T5691]  vfs_get_tree+0x88/0x270
[  225.174579][ T5691]  do_new_mount+0x24a/0xa40
[  225.179236][ T5691]  __se_sys_mount+0x2e3/0x3d0
[  225.184097][ T5691]  ? __x64_sys_mount+0xc0/0xc0
[  225.188948][ T5691]  ? lockdep_hardirqs_on+0x94/0x140
[  225.194514][ T5691]  ? __x64_sys_mount+0x1c/0xc0
[  225.199272][ T5691]  do_syscall_64+0x4c/0xa0
[  225.203891][ T5691]  ? clear_bhb_loop+0x30/0x80
[  225.208659][ T5691]  ? clear_bhb_loop+0x30/0x80
[  225.213623][ T5691]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.219945][ T5691] RIP: 0033:0x7f41eafae60a
[  225.224437][ T5691] 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
[  225.244485][ T5691] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.253291][ T5691] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  225.261522][ T5691] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  225.269493][ T5691] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  225.277636][ T5691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.285767][ T5691] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  225.293840][ T5691]  </TASK>
[  225.298406][ T5691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.312489][ T5691] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.631813][ T5693] loop1: detected capacity change from 0 to 32768
[  225.697987][ T5693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.705702][ T5693] CPU: 1 PID: 5693 Comm: syz.1.176 Not tainted syzkaller #0
[  225.713264][ T5693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.723532][ T5693] Call Trace:
[  225.727093][ T5693]  <TASK>
[  225.730221][ T5693]  dump_stack_lvl+0x188/0x250
[  225.734928][ T5693]  ? show_regs_print_info+0x20/0x20
[  225.740159][ T5693]  ? load_image+0x400/0x400
[  225.744785][ T5693]  sysfs_create_dir_ns+0x26a/0x290
[  225.749931][ T5693]  ? sysfs_warn_dup+0xa0/0xa0
[  225.754623][ T5693]  ? do_raw_spin_unlock+0x11d/0x230
[  225.760022][ T5693]  kobject_add_internal+0x6e0/0xd90
[  225.765561][ T5693]  kobject_init_and_add+0x128/0x190
[  225.770778][ T5693]  ? lockdep_softirqs_off+0x430/0x430
[  225.776171][ T5693]  ? kobject_add+0x230/0x230
[  225.781098][ T5693]  ? __init_swait_queue_head+0xa5/0x150
[  225.786905][ T5693]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.791873][ T5693]  ? gfs2_recover_set+0x240/0x240
[  225.796986][ T5693]  ? snprintf+0xe5/0x140
[  225.801510][ T5693]  ? __free_pages+0x95/0x1a0
[  225.806319][ T5693]  ? vscnprintf+0x80/0x80
[  225.810915][ T5693]  gfs2_fill_super+0x120f/0x1f00
[  225.815856][ T5693]  ? gfs2_reconfigure+0xd30/0xd30
[  225.820997][ T5693]  ? sb_set_blocksize+0xa5/0xe0
[  225.825857][ T5693]  get_tree_bdev+0x3f1/0x610
[  225.830441][ T5693]  ? gfs2_reconfigure+0xd30/0xd30
[  225.835470][ T5693]  gfs2_get_tree+0x4d/0x1e0
[  225.840085][ T5693]  vfs_get_tree+0x88/0x270
[  225.844771][ T5693]  do_new_mount+0x24a/0xa40
[  225.849272][ T5693]  __se_sys_mount+0x2e3/0x3d0
[  225.854145][ T5693]  ? __x64_sys_mount+0xc0/0xc0
[  225.858926][ T5693]  ? lockdep_hardirqs_on+0x94/0x140
[  225.864337][ T5693]  ? __x64_sys_mount+0x1c/0xc0
[  225.869186][ T5693]  do_syscall_64+0x4c/0xa0
[  225.873609][ T5693]  ? clear_bhb_loop+0x30/0x80
[  225.878502][ T5693]  ? clear_bhb_loop+0x30/0x80
[  225.883198][ T5693]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.889085][ T5693] RIP: 0033:0x7f41eafae60a
[  225.893529][ T5693] 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
[  225.914331][ T5693] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.923292][ T5693] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  225.931562][ T5693] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  225.939610][ T5693] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  225.947772][ T5693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.956089][ T5693] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  225.964352][ T5693]  </TASK>
[  225.968941][ T5693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.982487][ T5693] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.305150][ T5695] loop1: detected capacity change from 0 to 32768
[  226.346537][ T5695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.354152][ T5695] CPU: 1 PID: 5695 Comm: syz.1.177 Not tainted syzkaller #0
[  226.361725][ T5695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.372139][ T5695] Call Trace:
[  226.375527][ T5695]  <TASK>
[  226.378469][ T5695]  dump_stack_lvl+0x188/0x250
[  226.383250][ T5695]  ? show_regs_print_info+0x20/0x20
[  226.388544][ T5695]  ? load_image+0x400/0x400
[  226.393347][ T5695]  sysfs_create_dir_ns+0x26a/0x290
[  226.398751][ T5695]  ? sysfs_warn_dup+0xa0/0xa0
[  226.403447][ T5695]  ? do_raw_spin_unlock+0x11d/0x230
[  226.408750][ T5695]  kobject_add_internal+0x6e0/0xd90
[  226.414139][ T5695]  kobject_init_and_add+0x128/0x190
[  226.419619][ T5695]  ? lockdep_softirqs_off+0x430/0x430
[  226.425011][ T5695]  ? kobject_add+0x230/0x230
[  226.429720][ T5695]  ? __init_swait_queue_head+0xa5/0x150
[  226.435409][ T5695]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.440257][ T5695]  ? gfs2_recover_set+0x240/0x240
[  226.445547][ T5695]  ? snprintf+0xe5/0x140
[  226.449772][ T5695]  ? __free_pages+0x95/0x1a0
[  226.454543][ T5695]  ? vscnprintf+0x80/0x80
[  226.458872][ T5695]  gfs2_fill_super+0x120f/0x1f00
[  226.464152][ T5695]  ? gfs2_reconfigure+0xd30/0xd30
[  226.469176][ T5695]  ? sb_set_blocksize+0xa5/0xe0
[  226.474037][ T5695]  get_tree_bdev+0x3f1/0x610
[  226.478806][ T5695]  ? gfs2_reconfigure+0xd30/0xd30
[  226.483813][ T5695]  gfs2_get_tree+0x4d/0x1e0
[  226.488389][ T5695]  vfs_get_tree+0x88/0x270
[  226.492976][ T5695]  do_new_mount+0x24a/0xa40
[  226.497747][ T5695]  __se_sys_mount+0x2e3/0x3d0
[  226.502542][ T5695]  ? __x64_sys_mount+0xc0/0xc0
[  226.507373][ T5695]  ? lockdep_hardirqs_on+0x94/0x140
[  226.512742][ T5695]  ? __x64_sys_mount+0x1c/0xc0
[  226.517585][ T5695]  do_syscall_64+0x4c/0xa0
[  226.522157][ T5695]  ? clear_bhb_loop+0x30/0x80
[  226.526900][ T5695]  ? clear_bhb_loop+0x30/0x80
[  226.531647][ T5695]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.537535][ T5695] RIP: 0033:0x7f41eafae60a
[  226.542020][ T5695] 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
[  226.561704][ T5695] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.570195][ T5695] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  226.578331][ T5695] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  226.586290][ T5695] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  226.594677][ T5695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.602639][ T5695] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  226.610723][ T5695]  </TASK>
[  226.615273][ T5695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.628606][ T5695] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/17 08:26:44 executed programs: 163
[  226.935747][ T5697] loop1: detected capacity change from 0 to 32768
[  226.986589][ T5697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.994069][ T5697] CPU: 0 PID: 5697 Comm: syz.1.178 Not tainted syzkaller #0
[  227.001359][ T5697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.012192][ T5697] Call Trace:
[  227.015480][ T5697]  <TASK>
[  227.018526][ T5697]  dump_stack_lvl+0x188/0x250
[  227.023313][ T5697]  ? show_regs_print_info+0x20/0x20
[  227.028698][ T5697]  ? load_image+0x400/0x400
[  227.033363][ T5697]  sysfs_create_dir_ns+0x26a/0x290
[  227.038527][ T5697]  ? sysfs_warn_dup+0xa0/0xa0
[  227.043227][ T5697]  ? do_raw_spin_unlock+0x11d/0x230
[  227.048061][ T4216] Bluetooth: hci0: command 0x0406 tx timeout
[  227.048523][ T5697]  kobject_add_internal+0x6e0/0xd90
[  227.059846][ T5697]  kobject_init_and_add+0x128/0x190
[  227.065152][ T5697]  ? lockdep_softirqs_off+0x430/0x430
[  227.070666][ T5697]  ? kobject_add+0x230/0x230
[  227.075550][ T5697]  ? __init_swait_queue_head+0xa5/0x150
[  227.081311][ T5697]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.086156][ T5697]  ? gfs2_recover_set+0x240/0x240
[  227.091163][ T5697]  ? snprintf+0xe5/0x140
[  227.095479][ T5697]  ? __free_pages+0x95/0x1a0
[  227.100150][ T5697]  ? vscnprintf+0x80/0x80
[  227.104666][ T5697]  gfs2_fill_super+0x120f/0x1f00
[  227.109686][ T5697]  ? gfs2_reconfigure+0xd30/0xd30
[  227.114888][ T5697]  ? sb_set_blocksize+0xa5/0xe0
[  227.119838][ T5697]  get_tree_bdev+0x3f1/0x610
[  227.124510][ T5697]  ? gfs2_reconfigure+0xd30/0xd30
[  227.129516][ T5697]  gfs2_get_tree+0x4d/0x1e0
[  227.134001][ T5697]  vfs_get_tree+0x88/0x270
[  227.138575][ T5697]  do_new_mount+0x24a/0xa40
[  227.143068][ T5697]  __se_sys_mount+0x2e3/0x3d0
[  227.147746][ T5697]  ? __x64_sys_mount+0xc0/0xc0
[  227.152505][ T5697]  ? lockdep_hardirqs_on+0x94/0x140
[  227.157865][ T5697]  ? __x64_sys_mount+0x1c/0xc0
[  227.162709][ T5697]  do_syscall_64+0x4c/0xa0
[  227.167197][ T5697]  ? clear_bhb_loop+0x30/0x80
[  227.171891][ T5697]  ? clear_bhb_loop+0x30/0x80
[  227.176653][ T5697]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.182723][ T5697] RIP: 0033:0x7f41eafae60a
[  227.187473][ T5697] 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
[  227.207914][ T5697] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.216535][ T5697] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  227.224798][ T5697] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  227.233114][ T5697] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  227.241166][ T5697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.249444][ T5697] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.257615][ T5697]  </TASK>
[  227.263266][ T5697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.276885][ T5697] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.577745][ T5699] loop1: detected capacity change from 0 to 32768
[  227.627979][ T5699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.635408][ T5699] CPU: 1 PID: 5699 Comm: syz.1.179 Not tainted syzkaller #0
[  227.642891][ T5699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.652998][ T5699] Call Trace:
[  227.656280][ T5699]  <TASK>
[  227.659217][ T5699]  dump_stack_lvl+0x188/0x250
[  227.663990][ T5699]  ? show_regs_print_info+0x20/0x20
[  227.669282][ T5699]  ? load_image+0x400/0x400
[  227.673816][ T5699]  sysfs_create_dir_ns+0x26a/0x290
[  227.679037][ T5699]  ? sysfs_warn_dup+0xa0/0xa0
[  227.683929][ T5699]  ? do_raw_spin_unlock+0x11d/0x230
[  227.689231][ T5699]  kobject_add_internal+0x6e0/0xd90
[  227.694451][ T5699]  kobject_init_and_add+0x128/0x190
[  227.699665][ T5699]  ? lockdep_softirqs_off+0x430/0x430
[  227.705352][ T5699]  ? kobject_add+0x230/0x230
[  227.710130][ T5699]  ? __init_swait_queue_head+0xa5/0x150
[  227.715890][ T5699]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.720960][ T5699]  ? gfs2_recover_set+0x240/0x240
[  227.726067][ T5699]  ? snprintf+0xe5/0x140
[  227.730404][ T5699]  ? __free_pages+0x95/0x1a0
[  227.735048][ T5699]  ? vscnprintf+0x80/0x80
[  227.739438][ T5699]  gfs2_fill_super+0x120f/0x1f00
[  227.744496][ T5699]  ? gfs2_reconfigure+0xd30/0xd30
[  227.749961][ T5699]  ? sb_set_blocksize+0xa5/0xe0
[  227.754984][ T5699]  get_tree_bdev+0x3f1/0x610
[  227.759584][ T5699]  ? gfs2_reconfigure+0xd30/0xd30
[  227.764788][ T5699]  gfs2_get_tree+0x4d/0x1e0
[  227.769364][ T5699]  vfs_get_tree+0x88/0x270
[  227.774110][ T5699]  do_new_mount+0x24a/0xa40
[  227.778696][ T5699]  __se_sys_mount+0x2e3/0x3d0
[  227.783387][ T5699]  ? __x64_sys_mount+0xc0/0xc0
[  227.788130][ T5699]  ? lockdep_hardirqs_on+0x94/0x140
[  227.793307][ T5699]  ? __x64_sys_mount+0x1c/0xc0
[  227.798192][ T5699]  do_syscall_64+0x4c/0xa0
[  227.802621][ T5699]  ? clear_bhb_loop+0x30/0x80
[  227.807298][ T5699]  ? clear_bhb_loop+0x30/0x80
[  227.812213][ T5699]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.818101][ T5699] RIP: 0033:0x7f41eafae60a
[  227.822621][ T5699] 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
[  227.842584][ T5699] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.851247][ T5699] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  227.859570][ T5699] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  227.867841][ T5699] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  227.875898][ T5699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.883964][ T5699] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.892020][ T5699]  </TASK>
[  227.896882][ T5699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.910181][ T5699] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.211210][ T5701] loop1: detected capacity change from 0 to 32768
[  228.277347][ T5701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.292849][ T5701] CPU: 0 PID: 5701 Comm: syz.1.180 Not tainted syzkaller #0
[  228.300480][ T5701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.310823][ T5701] Call Trace:
[  228.314113][ T5701]  <TASK>
[  228.317136][ T5701]  dump_stack_lvl+0x188/0x250
[  228.322012][ T5701]  ? show_regs_print_info+0x20/0x20
[  228.327314][ T5701]  ? load_image+0x400/0x400
[  228.332103][ T5701]  sysfs_create_dir_ns+0x26a/0x290
[  228.337249][ T5701]  ? sysfs_warn_dup+0xa0/0xa0
[  228.342125][ T5701]  ? do_raw_spin_unlock+0x11d/0x230
[  228.347608][ T5701]  kobject_add_internal+0x6e0/0xd90
[  228.352844][ T5701]  kobject_init_and_add+0x128/0x190
[  228.358061][ T5701]  ? lockdep_softirqs_off+0x430/0x430
[  228.363429][ T5701]  ? kobject_add+0x230/0x230
[  228.368016][ T5701]  ? __init_swait_queue_head+0xa5/0x150
[  228.373553][ T5701]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.378301][ T5701]  ? gfs2_recover_set+0x240/0x240
[  228.383351][ T5701]  ? snprintf+0xe5/0x140
[  228.387585][ T5701]  ? __free_pages+0x95/0x1a0
[  228.392178][ T5701]  ? vscnprintf+0x80/0x80
[  228.396583][ T5701]  gfs2_fill_super+0x120f/0x1f00
[  228.401599][ T5701]  ? gfs2_reconfigure+0xd30/0xd30
[  228.406618][ T5701]  ? sb_set_blocksize+0xa5/0xe0
[  228.411634][ T5701]  get_tree_bdev+0x3f1/0x610
[  228.416300][ T5701]  ? gfs2_reconfigure+0xd30/0xd30
[  228.421345][ T5701]  gfs2_get_tree+0x4d/0x1e0
[  228.425917][ T5701]  vfs_get_tree+0x88/0x270
[  228.430313][ T5701]  do_new_mount+0x24a/0xa40
[  228.434802][ T5701]  __se_sys_mount+0x2e3/0x3d0
[  228.439460][ T5701]  ? __x64_sys_mount+0xc0/0xc0
[  228.444539][ T5701]  ? lockdep_hardirqs_on+0x94/0x140
[  228.450023][ T5701]  ? __x64_sys_mount+0x1c/0xc0
[  228.454773][ T5701]  do_syscall_64+0x4c/0xa0
[  228.459197][ T5701]  ? clear_bhb_loop+0x30/0x80
[  228.463856][ T5701]  ? clear_bhb_loop+0x30/0x80
[  228.468796][ T5701]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.474777][ T5701] RIP: 0033:0x7f41eafae60a
[  228.479309][ T5701] 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
[  228.499080][ T5701] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.507624][ T5701] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  228.515674][ T5701] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  228.523815][ T5701] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  228.531888][ T5701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.539929][ T5701] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  228.547906][ T5701]  </TASK>
[  228.552303][ T5701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.565595][ T5701] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.861908][ T5703] loop1: detected capacity change from 0 to 32768
[  228.949763][ T5703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.959011][ T5703] CPU: 0 PID: 5703 Comm: syz.1.181 Not tainted syzkaller #0
[  228.966865][ T5703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.977021][ T5703] Call Trace:
[  228.980314][ T5703]  <TASK>
[  228.983256][ T5703]  dump_stack_lvl+0x188/0x250
[  228.987965][ T5703]  ? show_regs_print_info+0x20/0x20
[  228.993348][ T5703]  ? load_image+0x400/0x400
[  228.997880][ T5703]  sysfs_create_dir_ns+0x26a/0x290
[  229.003190][ T5703]  ? sysfs_warn_dup+0xa0/0xa0
[  229.007977][ T5703]  ? do_raw_spin_unlock+0x11d/0x230
[  229.013166][ T5703]  kobject_add_internal+0x6e0/0xd90
[  229.018373][ T5703]  kobject_init_and_add+0x128/0x190
[  229.023691][ T5703]  ? lockdep_softirqs_off+0x430/0x430
[  229.029054][ T5703]  ? kobject_add+0x230/0x230
[  229.033739][ T5703]  ? __init_swait_queue_head+0xa5/0x150
[  229.039445][ T5703]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.044332][ T5703]  ? gfs2_recover_set+0x240/0x240
[  229.049714][ T5703]  ? snprintf+0xe5/0x140
[  229.053983][ T5703]  ? __free_pages+0x95/0x1a0
[  229.058610][ T5703]  ? vscnprintf+0x80/0x80
[  229.063121][ T5703]  gfs2_fill_super+0x120f/0x1f00
[  229.068331][ T5703]  ? gfs2_reconfigure+0xd30/0xd30
[  229.073550][ T5703]  ? sb_set_blocksize+0xa5/0xe0
[  229.078515][ T5703]  get_tree_bdev+0x3f1/0x610
[  229.083189][ T5703]  ? gfs2_reconfigure+0xd30/0xd30
[  229.088373][ T5703]  gfs2_get_tree+0x4d/0x1e0
[  229.093047][ T5703]  vfs_get_tree+0x88/0x270
[  229.097758][ T5703]  do_new_mount+0x24a/0xa40
[  229.102375][ T5703]  __se_sys_mount+0x2e3/0x3d0
[  229.107393][ T5703]  ? __x64_sys_mount+0xc0/0xc0
[  229.112372][ T5703]  ? lockdep_hardirqs_on+0x94/0x140
[  229.117856][ T5703]  ? __x64_sys_mount+0x1c/0xc0
[  229.122819][ T5703]  do_syscall_64+0x4c/0xa0
[  229.127233][ T5703]  ? clear_bhb_loop+0x30/0x80
[  229.131997][ T5703]  ? clear_bhb_loop+0x30/0x80
[  229.137184][ T5703]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.143170][ T5703] RIP: 0033:0x7f41eafae60a
[  229.147754][ T5703] 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
[  229.168122][ T5703] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.176735][ T5703] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  229.185473][ T5703] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  229.193701][ T5703] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  229.201751][ T5703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.210214][ T5703] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.218383][ T5703]  </TASK>
[  229.222573][ T5703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.235979][ T5703] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.551406][ T5705] loop1: detected capacity change from 0 to 32768
[  229.562020][ T5705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.571786][ T5705] CPU: 1 PID: 5705 Comm: syz.1.182 Not tainted syzkaller #0
[  229.579365][ T5705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.589779][ T5705] Call Trace:
[  229.593179][ T5705]  <TASK>
[  229.596298][ T5705]  dump_stack_lvl+0x188/0x250
[  229.601010][ T5705]  ? show_regs_print_info+0x20/0x20
[  229.606400][ T5705]  ? load_image+0x400/0x400
[  229.610932][ T5705]  sysfs_create_dir_ns+0x26a/0x290
[  229.616400][ T5705]  ? sysfs_warn_dup+0xa0/0xa0
[  229.621278][ T5705]  ? do_raw_spin_unlock+0x11d/0x230
[  229.626765][ T5705]  kobject_add_internal+0x6e0/0xd90
[  229.631968][ T5705]  kobject_init_and_add+0x128/0x190
[  229.637246][ T5705]  ? lockdep_softirqs_off+0x430/0x430
[  229.642912][ T5705]  ? kobject_add+0x230/0x230
[  229.647684][ T5705]  ? __init_swait_queue_head+0xa5/0x150
[  229.653407][ T5705]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.658348][ T5705]  ? gfs2_recover_set+0x240/0x240
[  229.663386][ T5705]  ? snprintf+0xe5/0x140
[  229.667755][ T5705]  ? __free_pages+0x95/0x1a0
[  229.672445][ T5705]  ? vscnprintf+0x80/0x80
[  229.676859][ T5705]  gfs2_fill_super+0x120f/0x1f00
[  229.682174][ T5705]  ? gfs2_reconfigure+0xd30/0xd30
[  229.687200][ T5705]  ? sb_set_blocksize+0xa5/0xe0
[  229.692543][ T5705]  get_tree_bdev+0x3f1/0x610
[  229.697713][ T5705]  ? gfs2_reconfigure+0xd30/0xd30
[  229.702825][ T5705]  gfs2_get_tree+0x4d/0x1e0
[  229.707506][ T5705]  vfs_get_tree+0x88/0x270
[  229.712125][ T5705]  do_new_mount+0x24a/0xa40
[  229.716800][ T5705]  __se_sys_mount+0x2e3/0x3d0
[  229.721646][ T5705]  ? __x64_sys_mount+0xc0/0xc0
[  229.726569][ T5705]  ? lockdep_hardirqs_on+0x94/0x140
[  229.731851][ T5705]  ? __x64_sys_mount+0x1c/0xc0
[  229.736903][ T5705]  do_syscall_64+0x4c/0xa0
[  229.741504][ T5705]  ? clear_bhb_loop+0x30/0x80
[  229.746268][ T5705]  ? clear_bhb_loop+0x30/0x80
[  229.751303][ T5705]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.757570][ T5705] RIP: 0033:0x7f41eafae60a
[  229.762134][ T5705] 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
[  229.781746][ T5705] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.790243][ T5705] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  229.798312][ T5705] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  229.806635][ T5705] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  229.814835][ T5705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.823240][ T5705] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.831665][ T5705]  </TASK>
[  229.836111][ T5705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.849984][ T5705] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.145563][ T5707] loop1: detected capacity change from 0 to 32768
[  230.203373][ T5707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.211732][ T5707] CPU: 0 PID: 5707 Comm: syz.1.183 Not tainted syzkaller #0
[  230.219698][ T5707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.230133][ T5707] Call Trace:
[  230.233530][ T5707]  <TASK>
[  230.236488][ T5707]  dump_stack_lvl+0x188/0x250
[  230.241360][ T5707]  ? show_regs_print_info+0x20/0x20
[  230.246577][ T5707]  ? load_image+0x400/0x400
[  230.251204][ T5707]  sysfs_create_dir_ns+0x26a/0x290
[  230.256993][ T5707]  ? sysfs_warn_dup+0xa0/0xa0
[  230.261893][ T5707]  ? do_raw_spin_unlock+0x11d/0x230
[  230.267299][ T5707]  kobject_add_internal+0x6e0/0xd90
[  230.272716][ T5707]  kobject_init_and_add+0x128/0x190
[  230.278233][ T5707]  ? lockdep_softirqs_off+0x430/0x430
[  230.284091][ T5707]  ? kobject_add+0x230/0x230
[  230.288883][ T5707]  ? __init_swait_queue_head+0xa5/0x150
[  230.294649][ T5707]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.299729][ T5707]  ? gfs2_recover_set+0x240/0x240
[  230.305060][ T5707]  ? snprintf+0xe5/0x140
[  230.309346][ T5707]  ? __free_pages+0x95/0x1a0
[  230.314021][ T5707]  ? vscnprintf+0x80/0x80
[  230.318350][ T5707]  gfs2_fill_super+0x120f/0x1f00
[  230.323286][ T5707]  ? gfs2_reconfigure+0xd30/0xd30
[  230.328302][ T5707]  ? sb_set_blocksize+0xa5/0xe0
[  230.333143][ T5707]  get_tree_bdev+0x3f1/0x610
[  230.337818][ T5707]  ? gfs2_reconfigure+0xd30/0xd30
[  230.342834][ T5707]  gfs2_get_tree+0x4d/0x1e0
[  230.347787][ T5707]  vfs_get_tree+0x88/0x270
[  230.352398][ T5707]  do_new_mount+0x24a/0xa40
[  230.357294][ T5707]  __se_sys_mount+0x2e3/0x3d0
[  230.362446][ T5707]  ? __x64_sys_mount+0xc0/0xc0
[  230.367434][ T5707]  ? lockdep_hardirqs_on+0x94/0x140
[  230.372653][ T5707]  ? __x64_sys_mount+0x1c/0xc0
[  230.377605][ T5707]  do_syscall_64+0x4c/0xa0
[  230.382020][ T5707]  ? clear_bhb_loop+0x30/0x80
[  230.386696][ T5707]  ? clear_bhb_loop+0x30/0x80
[  230.391568][ T5707]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.397545][ T5707] RIP: 0033:0x7f41eafae60a
[  230.402216][ T5707] 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
[  230.422771][ T5707] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.431873][ T5707] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  230.440115][ T5707] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  230.448427][ T5707] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  230.456709][ T5707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.464963][ T5707] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.473311][ T5707]  </TASK>
[  230.482778][ T5707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.497276][ T5707] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.803464][ T5709] loop1: detected capacity change from 0 to 32768
[  230.889737][ T5709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.897856][ T5709] CPU: 1 PID: 5709 Comm: syz.1.184 Not tainted syzkaller #0
[  230.905186][ T5709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.915631][ T5709] Call Trace:
[  230.919186][ T5709]  <TASK>
[  230.922226][ T5709]  dump_stack_lvl+0x188/0x250
[  230.927208][ T5709]  ? show_regs_print_info+0x20/0x20
[  230.932642][ T5709]  ? load_image+0x400/0x400
[  230.937274][ T5709]  sysfs_create_dir_ns+0x26a/0x290
[  230.942590][ T5709]  ? sysfs_warn_dup+0xa0/0xa0
[  230.947385][ T5709]  ? do_raw_spin_unlock+0x11d/0x230
[  230.952960][ T5709]  kobject_add_internal+0x6e0/0xd90
[  230.958574][ T5709]  kobject_init_and_add+0x128/0x190
[  230.963962][ T5709]  ? lockdep_softirqs_off+0x430/0x430
[  230.969670][ T5709]  ? kobject_add+0x230/0x230
[  230.974534][ T5709]  ? __init_swait_queue_head+0xa5/0x150
[  230.980426][ T5709]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.985392][ T5709]  ? gfs2_recover_set+0x240/0x240
[  230.990620][ T5709]  ? snprintf+0xe5/0x140
[  230.994870][ T5709]  ? __free_pages+0x95/0x1a0
[  230.999466][ T5709]  ? vscnprintf+0x80/0x80
[  231.004432][ T5709]  gfs2_fill_super+0x120f/0x1f00
[  231.009473][ T5709]  ? gfs2_reconfigure+0xd30/0xd30
[  231.014651][ T5709]  ? sb_set_blocksize+0xa5/0xe0
[  231.020061][ T5709]  get_tree_bdev+0x3f1/0x610
[  231.024849][ T5709]  ? gfs2_reconfigure+0xd30/0xd30
[  231.030338][ T5709]  gfs2_get_tree+0x4d/0x1e0
[  231.035305][ T5709]  vfs_get_tree+0x88/0x270
[  231.040337][ T5709]  do_new_mount+0x24a/0xa40
[  231.044989][ T5709]  __se_sys_mount+0x2e3/0x3d0
[  231.050359][ T5709]  ? __x64_sys_mount+0xc0/0xc0
[  231.055137][ T5709]  ? lockdep_hardirqs_on+0x94/0x140
[  231.060743][ T5709]  ? __x64_sys_mount+0x1c/0xc0
[  231.065696][ T5709]  do_syscall_64+0x4c/0xa0
[  231.070526][ T5709]  ? clear_bhb_loop+0x30/0x80
[  231.075385][ T5709]  ? clear_bhb_loop+0x30/0x80
[  231.080244][ T5709]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.086139][ T5709] RIP: 0033:0x7f41eafae60a
[  231.090545][ T5709] 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
[  231.110550][ T5709] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.118965][ T5709] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  231.127168][ T5709] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  231.135314][ T5709] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  231.143557][ T5709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.151617][ T5709] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.159684][ T5709]  </TASK>
[  231.164937][ T5709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.179070][ T5709] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.511309][ T5711] loop1: detected capacity change from 0 to 32768
[  231.560635][ T5711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.571660][ T5711] CPU: 1 PID: 5711 Comm: syz.1.185 Not tainted syzkaller #0
[  231.579211][ T5711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.589589][ T5711] Call Trace:
[  231.592971][ T5711]  <TASK>
[  231.595911][ T5711]  dump_stack_lvl+0x188/0x250
[  231.600697][ T5711]  ? show_regs_print_info+0x20/0x20
[  231.606094][ T5711]  ? load_image+0x400/0x400
[  231.610705][ T5711]  sysfs_create_dir_ns+0x26a/0x290
[  231.615924][ T5711]  ? sysfs_warn_dup+0xa0/0xa0
[  231.620717][ T5711]  ? do_raw_spin_unlock+0x11d/0x230
[  231.626022][ T5711]  kobject_add_internal+0x6e0/0xd90
[  231.631244][ T5711]  kobject_init_and_add+0x128/0x190
[  231.636461][ T5711]  ? lockdep_softirqs_off+0x430/0x430
[  231.641868][ T5711]  ? kobject_add+0x230/0x230
[  231.646565][ T5711]  ? __init_swait_queue_head+0xa5/0x150
[  231.652500][ T5711]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.657372][ T5711]  ? gfs2_recover_set+0x240/0x240
[  231.662636][ T5711]  ? snprintf+0xe5/0x140
[  231.667056][ T5711]  ? __free_pages+0x95/0x1a0
[  231.671722][ T5711]  ? vscnprintf+0x80/0x80
[  231.676077][ T5711]  gfs2_fill_super+0x120f/0x1f00
[  231.681432][ T5711]  ? gfs2_reconfigure+0xd30/0xd30
[  231.686539][ T5711]  ? sb_set_blocksize+0xa5/0xe0
[  231.691556][ T5711]  get_tree_bdev+0x3f1/0x610
[  231.696440][ T5711]  ? gfs2_reconfigure+0xd30/0xd30
[  231.701889][ T5711]  gfs2_get_tree+0x4d/0x1e0
[  231.706462][ T5711]  vfs_get_tree+0x88/0x270
[  231.711043][ T5711]  do_new_mount+0x24a/0xa40
[  231.715555][ T5711]  __se_sys_mount+0x2e3/0x3d0
[  231.720607][ T5711]  ? __x64_sys_mount+0xc0/0xc0
[  231.725610][ T5711]  ? lockdep_hardirqs_on+0x94/0x140
[  231.731112][ T5711]  ? __x64_sys_mount+0x1c/0xc0
[  231.736092][ T5711]  do_syscall_64+0x4c/0xa0
[  231.740602][ T5711]  ? clear_bhb_loop+0x30/0x80
[  231.745443][ T5711]  ? clear_bhb_loop+0x30/0x80
[  231.750202][ T5711]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.756170][ T5711] RIP: 0033:0x7f41eafae60a
[  231.760565][ T5711] 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
[  231.781230][ T5711] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.789730][ T5711] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  231.798147][ T5711] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  231.806472][ T5711] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  231.814621][ T5711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.823111][ T5711] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.831322][ T5711]  </TASK>
[  231.836293][ T5711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.851059][ T5711] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/17 08:26:49 executed programs: 171
[  232.176428][ T5713] loop1: detected capacity change from 0 to 32768
[  232.223570][ T5713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.232073][ T5713] CPU: 0 PID: 5713 Comm: syz.1.186 Not tainted syzkaller #0
[  232.240022][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.250721][ T5713] Call Trace:
[  232.254202][ T5713]  <TASK>
[  232.257337][ T5713]  dump_stack_lvl+0x188/0x250
[  232.262399][ T5713]  ? show_regs_print_info+0x20/0x20
[  232.267832][ T5713]  ? load_image+0x400/0x400
[  232.272365][ T5713]  sysfs_create_dir_ns+0x26a/0x290
[  232.277693][ T5713]  ? sysfs_warn_dup+0xa0/0xa0
[  232.282929][ T5713]  ? do_raw_spin_unlock+0x11d/0x230
[  232.288510][ T5713]  kobject_add_internal+0x6e0/0xd90
[  232.294023][ T5713]  kobject_init_and_add+0x128/0x190
[  232.299335][ T5713]  ? lockdep_softirqs_off+0x430/0x430
[  232.305338][ T5713]  ? kobject_add+0x230/0x230
[  232.309930][ T5713]  ? __init_swait_queue_head+0xa5/0x150
[  232.315613][ T5713]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.320732][ T5713]  ? gfs2_recover_set+0x240/0x240
[  232.326000][ T5713]  ? snprintf+0xe5/0x140
[  232.330423][ T5713]  ? __free_pages+0x95/0x1a0
[  232.335282][ T5713]  ? vscnprintf+0x80/0x80
[  232.339655][ T5713]  gfs2_fill_super+0x120f/0x1f00
[  232.344779][ T5713]  ? gfs2_reconfigure+0xd30/0xd30
[  232.350081][ T5713]  ? sb_set_blocksize+0xa5/0xe0
[  232.355523][ T5713]  get_tree_bdev+0x3f1/0x610
[  232.360292][ T5713]  ? gfs2_reconfigure+0xd30/0xd30
[  232.365396][ T5713]  gfs2_get_tree+0x4d/0x1e0
[  232.369997][ T5713]  vfs_get_tree+0x88/0x270
[  232.374400][ T5713]  do_new_mount+0x24a/0xa40
[  232.378888][ T5713]  __se_sys_mount+0x2e3/0x3d0
[  232.383739][ T5713]  ? __x64_sys_mount+0xc0/0xc0
[  232.388663][ T5713]  ? lockdep_hardirqs_on+0x94/0x140
[  232.393949][ T5713]  ? __x64_sys_mount+0x1c/0xc0
[  232.398789][ T5713]  do_syscall_64+0x4c/0xa0
[  232.403671][ T5713]  ? clear_bhb_loop+0x30/0x80
[  232.408342][ T5713]  ? clear_bhb_loop+0x30/0x80
[  232.413010][ T5713]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.418906][ T5713] RIP: 0033:0x7f41eafae60a
[  232.423319][ T5713] 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
[  232.443348][ T5713] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.452522][ T5713] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  232.461563][ T5713] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  232.470235][ T5713] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  232.478998][ T5713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.487314][ T5713] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.495744][ T5713]  </TASK>
[  232.502634][ T5713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.516669][ T5713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.846050][ T5715] loop1: detected capacity change from 0 to 32768
[  232.899200][ T5715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.906619][ T5715] CPU: 0 PID: 5715 Comm: syz.1.187 Not tainted syzkaller #0
[  232.914095][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.924551][ T5715] Call Trace:
[  232.927844][ T5715]  <TASK>
[  232.930959][ T5715]  dump_stack_lvl+0x188/0x250
[  232.935656][ T5715]  ? show_regs_print_info+0x20/0x20
[  232.941590][ T5715]  ? load_image+0x400/0x400
[  232.946400][ T5715]  sysfs_create_dir_ns+0x26a/0x290
[  232.951537][ T5715]  ? sysfs_warn_dup+0xa0/0xa0
[  232.956584][ T5715]  ? do_raw_spin_unlock+0x11d/0x230
[  232.961980][ T5715]  kobject_add_internal+0x6e0/0xd90
[  232.967196][ T5715]  kobject_init_and_add+0x128/0x190
[  232.972848][ T5715]  ? lockdep_softirqs_off+0x430/0x430
[  232.978327][ T5715]  ? kobject_add+0x230/0x230
[  232.983511][ T5715]  ? __init_swait_queue_head+0xa5/0x150
[  232.989685][ T5715]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.994825][ T5715]  ? gfs2_recover_set+0x240/0x240
[  232.999985][ T5715]  ? snprintf+0xe5/0x140
[  233.004337][ T5715]  ? __free_pages+0x95/0x1a0
[  233.008926][ T5715]  ? vscnprintf+0x80/0x80
[  233.013479][ T5715]  gfs2_fill_super+0x120f/0x1f00
[  233.018726][ T5715]  ? gfs2_reconfigure+0xd30/0xd30
[  233.023754][ T5715]  ? sb_set_blocksize+0xa5/0xe0
[  233.028883][ T5715]  get_tree_bdev+0x3f1/0x610
[  233.033633][ T5715]  ? gfs2_reconfigure+0xd30/0xd30
[  233.039060][ T5715]  gfs2_get_tree+0x4d/0x1e0
[  233.043653][ T5715]  vfs_get_tree+0x88/0x270
[  233.048072][ T5715]  do_new_mount+0x24a/0xa40
[  233.052569][ T5715]  __se_sys_mount+0x2e3/0x3d0
[  233.057310][ T5715]  ? __x64_sys_mount+0xc0/0xc0
[  233.062514][ T5715]  ? lockdep_hardirqs_on+0x94/0x140
[  233.068389][ T5715]  ? __x64_sys_mount+0x1c/0xc0
[  233.073820][ T5715]  do_syscall_64+0x4c/0xa0
[  233.078469][ T5715]  ? clear_bhb_loop+0x30/0x80
[  233.083237][ T5715]  ? clear_bhb_loop+0x30/0x80
[  233.088276][ T5715]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.094170][ T5715] RIP: 0033:0x7f41eafae60a
[  233.098786][ T5715] 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
[  233.119528][ T5715] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.128470][ T5715] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  233.136613][ T5715] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  233.145354][ T5715] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  233.154168][ T5715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  233.162987][ T5715] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  233.171222][ T5715]  </TASK>
[  233.176054][ T5715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.190279][ T5715] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.528124][ T5717] loop1: detected capacity change from 0 to 32768
[  233.588973][ T5717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.596955][ T5717] CPU: 1 PID: 5717 Comm: syz.1.188 Not tainted syzkaller #0
[  233.604431][ T5717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.614878][ T5717] Call Trace:
[  233.618373][ T5717]  <TASK>
[  233.621498][ T5717]  dump_stack_lvl+0x188/0x250
[  233.626190][ T5717]  ? show_regs_print_info+0x20/0x20
[  233.631843][ T5717]  ? load_image+0x400/0x400
[  233.636550][ T5717]  sysfs_create_dir_ns+0x26a/0x290
[  233.641762][ T5717]  ? sysfs_warn_dup+0xa0/0xa0
[  233.646546][ T5717]  ? do_raw_spin_unlock+0x11d/0x230
[  233.651764][ T5717]  kobject_add_internal+0x6e0/0xd90
[  233.657245][ T5717]  kobject_init_and_add+0x128/0x190
[  233.662547][ T5717]  ? lockdep_softirqs_off+0x430/0x430
[  233.667946][ T5717]  ? kobject_add+0x230/0x230
[  233.672649][ T5717]  ? __init_swait_queue_head+0xa5/0x150
[  233.678476][ T5717]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.683250][ T5717]  ? gfs2_recover_set+0x240/0x240
[  233.688410][ T5717]  ? snprintf+0xe5/0x140
[  233.692730][ T5717]  ? __free_pages+0x95/0x1a0
[  233.697503][ T5717]  ? vscnprintf+0x80/0x80
[  233.702264][ T5717]  gfs2_fill_super+0x120f/0x1f00
[  233.707654][ T5717]  ? gfs2_reconfigure+0xd30/0xd30
[  233.712880][ T5717]  ? sb_set_blocksize+0xa5/0xe0
[  233.718064][ T5717]  get_tree_bdev+0x3f1/0x610
[  233.722959][ T5717]  ? gfs2_reconfigure+0xd30/0xd30
[  233.728344][ T5717]  gfs2_get_tree+0x4d/0x1e0
[  233.733376][ T5717]  vfs_get_tree+0x88/0x270
[  233.737811][ T5717]  do_new_mount+0x24a/0xa40
[  233.742797][ T5717]  __se_sys_mount+0x2e3/0x3d0
[  233.747734][ T5717]  ? __x64_sys_mount+0xc0/0xc0
[  233.752867][ T5717]  ? lockdep_hardirqs_on+0x94/0x140
[  233.758152][ T5717]  ? __x64_sys_mount+0x1c/0xc0
[  233.763057][ T5717]  do_syscall_64+0x4c/0xa0
[  233.767784][ T5717]  ? clear_bhb_loop+0x30/0x80
[  233.772552][ T5717]  ? clear_bhb_loop+0x30/0x80
[  233.777311][ T5717]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.783569][ T5717] RIP: 0033:0x7f41eafae60a
[  233.788063][ T5717] 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
[  233.807838][ T5717] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.816742][ T5717] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  233.824983][ T5717] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  233.833133][ T5717] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  233.841749][ T5717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  233.849806][ T5717] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  233.858124][ T5717]  </TASK>
[  233.862446][ T5717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.876650][ T5717] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.203109][ T5719] loop1: detected capacity change from 0 to 32768
[  234.257947][ T5719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.265765][ T5719] CPU: 0 PID: 5719 Comm: syz.1.189 Not tainted syzkaller #0
[  234.273870][ T5719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.283940][ T5719] Call Trace:
[  234.287244][ T5719]  <TASK>
[  234.290187][ T5719]  dump_stack_lvl+0x188/0x250
[  234.294979][ T5719]  ? show_regs_print_info+0x20/0x20
[  234.300463][ T5719]  ? load_image+0x400/0x400
[  234.305357][ T5719]  sysfs_create_dir_ns+0x26a/0x290
[  234.310803][ T5719]  ? sysfs_warn_dup+0xa0/0xa0
[  234.315621][ T5719]  ? do_raw_spin_unlock+0x11d/0x230
[  234.320844][ T5719]  kobject_add_internal+0x6e0/0xd90
[  234.326305][ T5719]  kobject_init_and_add+0x128/0x190
[  234.331517][ T5719]  ? lockdep_softirqs_off+0x430/0x430
[  234.336919][ T5719]  ? kobject_add+0x230/0x230
[  234.341629][ T5719]  ? __init_swait_queue_head+0xa5/0x150
[  234.347171][ T5719]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.352007][ T5719]  ? gfs2_recover_set+0x240/0x240
[  234.357203][ T5719]  ? snprintf+0xe5/0x140
[  234.361520][ T5719]  ? __free_pages+0x95/0x1a0
[  234.366344][ T5719]  ? vscnprintf+0x80/0x80
[  234.370670][ T5719]  gfs2_fill_super+0x120f/0x1f00
[  234.375616][ T5719]  ? gfs2_reconfigure+0xd30/0xd30
[  234.380739][ T5719]  ? sb_set_blocksize+0xa5/0xe0
[  234.385873][ T5719]  get_tree_bdev+0x3f1/0x610
[  234.390655][ T5719]  ? gfs2_reconfigure+0xd30/0xd30
[  234.395879][ T5719]  gfs2_get_tree+0x4d/0x1e0
[  234.400415][ T5719]  vfs_get_tree+0x88/0x270
[  234.405196][ T5719]  do_new_mount+0x24a/0xa40
[  234.409703][ T5719]  __se_sys_mount+0x2e3/0x3d0
[  234.414381][ T5719]  ? __x64_sys_mount+0xc0/0xc0
[  234.419140][ T5719]  ? lockdep_hardirqs_on+0x94/0x140
[  234.424813][ T5719]  ? __x64_sys_mount+0x1c/0xc0
[  234.430082][ T5719]  do_syscall_64+0x4c/0xa0
[  234.434859][ T5719]  ? clear_bhb_loop+0x30/0x80
[  234.439750][ T5719]  ? clear_bhb_loop+0x30/0x80
[  234.444420][ T5719]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.450964][ T5719] RIP: 0033:0x7f41eafae60a
[  234.455694][ T5719] 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
[  234.476637][ T5719] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.485048][ T5719] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  234.493271][ T5719] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  234.501254][ T5719] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  234.509596][ T5719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.517562][ T5719] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.525834][ T5719]  </TASK>
[  234.530331][ T5719] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.544152][ T5719] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.891057][ T5721] loop1: detected capacity change from 0 to 32768
[  234.959172][ T5721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.966672][ T5721] CPU: 0 PID: 5721 Comm: syz.1.190 Not tainted syzkaller #0
[  234.974160][ T5721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  234.984407][ T5721] Call Trace:
[  234.987784][ T5721]  <TASK>
[  234.990820][ T5721]  dump_stack_lvl+0x188/0x250
[  234.995908][ T5721]  ? show_regs_print_info+0x20/0x20
[  235.001232][ T5721]  ? load_image+0x400/0x400
[  235.006024][ T5721]  sysfs_create_dir_ns+0x26a/0x290
[  235.011249][ T5721]  ? sysfs_warn_dup+0xa0/0xa0
[  235.016091][ T5721]  ? do_raw_spin_unlock+0x11d/0x230
[  235.021671][ T5721]  kobject_add_internal+0x6e0/0xd90
[  235.026893][ T5721]  kobject_init_and_add+0x128/0x190
[  235.032098][ T5721]  ? lockdep_softirqs_off+0x430/0x430
[  235.037549][ T5721]  ? kobject_add+0x230/0x230
[  235.042388][ T5721]  ? __init_swait_queue_head+0xa5/0x150
[  235.048101][ T5721]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.052873][ T5721]  ? gfs2_recover_set+0x240/0x240
[  235.058078][ T5721]  ? snprintf+0xe5/0x140
[  235.062326][ T5721]  ? __free_pages+0x95/0x1a0
[  235.067232][ T5721]  ? vscnprintf+0x80/0x80
[  235.071927][ T5721]  gfs2_fill_super+0x120f/0x1f00
[  235.077045][ T5721]  ? gfs2_reconfigure+0xd30/0xd30
[  235.082244][ T5721]  ? sb_set_blocksize+0xa5/0xe0
[  235.087088][ T5721]  get_tree_bdev+0x3f1/0x610
[  235.092094][ T5721]  ? gfs2_reconfigure+0xd30/0xd30
[  235.097135][ T5721]  gfs2_get_tree+0x4d/0x1e0
[  235.102087][ T5721]  vfs_get_tree+0x88/0x270
[  235.106594][ T5721]  do_new_mount+0x24a/0xa40
[  235.111180][ T5721]  __se_sys_mount+0x2e3/0x3d0
[  235.115846][ T5721]  ? __x64_sys_mount+0xc0/0xc0
[  235.120695][ T5721]  ? lockdep_hardirqs_on+0x94/0x140
[  235.126325][ T5721]  ? __x64_sys_mount+0x1c/0xc0
[  235.131397][ T5721]  do_syscall_64+0x4c/0xa0
[  235.135999][ T5721]  ? clear_bhb_loop+0x30/0x80
[  235.140841][ T5721]  ? clear_bhb_loop+0x30/0x80
[  235.145978][ T5721]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.152099][ T5721] RIP: 0033:0x7f41eafae60a
[  235.156513][ T5721] 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
[  235.177241][ T5721] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.186340][ T5721] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  235.194796][ T5721] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  235.202945][ T5721] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  235.211493][ T5721] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.219638][ T5721] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.227843][ T5721]  </TASK>
[  235.233858][ T5721] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.247426][ T5721] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.546055][ T5723] loop1: detected capacity change from 0 to 32768
[  235.601411][ T5723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.609364][ T5723] CPU: 0 PID: 5723 Comm: syz.1.191 Not tainted syzkaller #0
[  235.616887][ T5723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  235.627225][ T5723] Call Trace:
[  235.630533][ T5723]  <TASK>
[  235.633474][ T5723]  dump_stack_lvl+0x188/0x250
[  235.638260][ T5723]  ? show_regs_print_info+0x20/0x20
[  235.643479][ T5723]  ? load_image+0x400/0x400
[  235.648235][ T5723]  sysfs_create_dir_ns+0x26a/0x290
[  235.654777][ T5723]  ? sysfs_warn_dup+0xa0/0xa0
[  235.659596][ T5723]  ? do_raw_spin_unlock+0x11d/0x230
[  235.664911][ T5723]  kobject_add_internal+0x6e0/0xd90
[  235.670323][ T5723]  kobject_init_and_add+0x128/0x190
[  235.675898][ T5723]  ? lockdep_softirqs_off+0x430/0x430
[  235.681760][ T5723]  ? kobject_add+0x230/0x230
[  235.686662][ T5723]  ? __init_swait_queue_head+0xa5/0x150
[  235.692667][ T5723]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.697785][ T5723]  ? gfs2_recover_set+0x240/0x240
[  235.703093][ T5723]  ? snprintf+0xe5/0x140
[  235.707344][ T5723]  ? __free_pages+0x95/0x1a0
[  235.712112][ T5723]  ? vscnprintf+0x80/0x80
[  235.716664][ T5723]  gfs2_fill_super+0x120f/0x1f00
[  235.721877][ T5723]  ? gfs2_reconfigure+0xd30/0xd30
[  235.727839][ T5723]  ? sb_set_blocksize+0xa5/0xe0
[  235.732989][ T5723]  get_tree_bdev+0x3f1/0x610
[  235.737990][ T5723]  ? gfs2_reconfigure+0xd30/0xd30
[  235.743016][ T5723]  gfs2_get_tree+0x4d/0x1e0
[  235.747609][ T5723]  vfs_get_tree+0x88/0x270
[  235.752382][ T5723]  do_new_mount+0x24a/0xa40
[  235.756889][ T5723]  __se_sys_mount+0x2e3/0x3d0
[  235.761874][ T5723]  ? __x64_sys_mount+0xc0/0xc0
[  235.766823][ T5723]  ? lockdep_hardirqs_on+0x94/0x140
[  235.772183][ T5723]  ? __x64_sys_mount+0x1c/0xc0
[  235.777168][ T5723]  do_syscall_64+0x4c/0xa0
[  235.781848][ T5723]  ? clear_bhb_loop+0x30/0x80
[  235.786600][ T5723]  ? clear_bhb_loop+0x30/0x80
[  235.791462][ T5723]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.797452][ T5723] RIP: 0033:0x7f41eafae60a
[  235.801952][ T5723] 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
[  235.822579][ T5723] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.831075][ T5723] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  235.839301][ T5723] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  235.847525][ T5723] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  235.855881][ T5723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.864161][ T5723] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.872594][ T5723]  </TASK>
[  235.881253][ T5723] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.895570][ T5723] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.201048][ T5725] loop1: detected capacity change from 0 to 32768
[  236.262861][ T5725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.270391][ T5725] CPU: 1 PID: 5725 Comm: syz.1.192 Not tainted syzkaller #0
[  236.277794][ T5725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  236.288217][ T5725] Call Trace:
[  236.291514][ T5725]  <TASK>
[  236.294846][ T5725]  dump_stack_lvl+0x188/0x250
[  236.299830][ T5725]  ? show_regs_print_info+0x20/0x20
[  236.305044][ T5725]  ? load_image+0x400/0x400
[  236.309732][ T5725]  sysfs_create_dir_ns+0x26a/0x290
[  236.314967][ T5725]  ? sysfs_warn_dup+0xa0/0xa0
[  236.319750][ T5725]  ? do_raw_spin_unlock+0x11d/0x230
[  236.324964][ T5725]  kobject_add_internal+0x6e0/0xd90
[  236.330195][ T5725]  kobject_init_and_add+0x128/0x190
[  236.335406][ T5725]  ? lockdep_softirqs_off+0x430/0x430
[  236.340802][ T5725]  ? kobject_add+0x230/0x230
[  236.345866][ T5725]  ? __init_swait_queue_head+0xa5/0x150
[  236.351509][ T5725]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.356273][ T5725]  ? gfs2_recover_set+0x240/0x240
[  236.361404][ T5725]  ? snprintf+0xe5/0x140
[  236.365913][ T5725]  ? __free_pages+0x95/0x1a0
[  236.370681][ T5725]  ? vscnprintf+0x80/0x80
[  236.375009][ T5725]  gfs2_fill_super+0x120f/0x1f00
[  236.379958][ T5725]  ? gfs2_reconfigure+0xd30/0xd30
[  236.385108][ T5725]  ? sb_set_blocksize+0xa5/0xe0
[  236.390140][ T5725]  get_tree_bdev+0x3f1/0x610
[  236.394743][ T5725]  ? gfs2_reconfigure+0xd30/0xd30
[  236.400117][ T5725]  gfs2_get_tree+0x4d/0x1e0
[  236.405055][ T5725]  vfs_get_tree+0x88/0x270
[  236.409733][ T5725]  do_new_mount+0x24a/0xa40
[  236.414269][ T5725]  __se_sys_mount+0x2e3/0x3d0
[  236.418942][ T5725]  ? __x64_sys_mount+0xc0/0xc0
[  236.423785][ T5725]  ? lockdep_hardirqs_on+0x94/0x140
[  236.429616][ T5725]  ? __x64_sys_mount+0x1c/0xc0
[  236.434650][ T5725]  do_syscall_64+0x4c/0xa0
[  236.439606][ T5725]  ? clear_bhb_loop+0x30/0x80
[  236.444523][ T5725]  ? clear_bhb_loop+0x30/0x80
[  236.449252][ T5725]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.455510][ T5725] RIP: 0033:0x7f41eafae60a
[  236.460147][ T5725] 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
[  236.481132][ T5725] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.489709][ T5725] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  236.498377][ T5725] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  236.506693][ T5725] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  236.514862][ T5725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.523626][ T5725] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.532050][ T5725]  </TASK>
[  236.536883][ T5725] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.550395][ T5725] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.880252][ T5727] loop1: detected capacity change from 0 to 32768
[  236.928274][ T5727] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.935861][ T5727] CPU: 1 PID: 5727 Comm: syz.1.193 Not tainted syzkaller #0
[  236.943336][ T5727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  236.953666][ T5727] Call Trace:
[  236.956960][ T5727]  <TASK>
[  236.960000][ T5727]  dump_stack_lvl+0x188/0x250
[  236.964709][ T5727]  ? show_regs_print_info+0x20/0x20
[  236.970031][ T5727]  ? load_image+0x400/0x400
[  236.974752][ T5727]  sysfs_create_dir_ns+0x26a/0x290
[  236.980153][ T5727]  ? sysfs_warn_dup+0xa0/0xa0
[  236.984851][ T5727]  ? do_raw_spin_unlock+0x11d/0x230
[  236.990073][ T5727]  kobject_add_internal+0x6e0/0xd90
[  236.995296][ T5727]  kobject_init_and_add+0x128/0x190
[  237.000689][ T5727]  ? lockdep_softirqs_off+0x430/0x430
[  237.006093][ T5727]  ? kobject_add+0x230/0x230
[  237.010726][ T5727]  ? __init_swait_queue_head+0xa5/0x150
[  237.016388][ T5727]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.021751][ T5727]  ? gfs2_recover_set+0x240/0x240
[  237.026803][ T5727]  ? snprintf+0xe5/0x140
[  237.031240][ T5727]  ? __free_pages+0x95/0x1a0
[  237.035918][ T5727]  ? vscnprintf+0x80/0x80
[  237.040363][ T5727]  gfs2_fill_super+0x120f/0x1f00
[  237.045686][ T5727]  ? gfs2_reconfigure+0xd30/0xd30
[  237.051110][ T5727]  ? sb_set_blocksize+0xa5/0xe0
[  237.056306][ T5727]  get_tree_bdev+0x3f1/0x610
[  237.060991][ T5727]  ? gfs2_reconfigure+0xd30/0xd30
[  237.066032][ T5727]  gfs2_get_tree+0x4d/0x1e0
[  237.070814][ T5727]  vfs_get_tree+0x88/0x270
[  237.075401][ T5727]  do_new_mount+0x24a/0xa40
[  237.079905][ T5727]  __se_sys_mount+0x2e3/0x3d0
[  237.084775][ T5727]  ? __x64_sys_mount+0xc0/0xc0
[  237.089548][ T5727]  ? lockdep_hardirqs_on+0x94/0x140
[  237.094743][ T5727]  ? __x64_sys_mount+0x1c/0xc0
[  237.099610][ T5727]  do_syscall_64+0x4c/0xa0
[  237.104222][ T5727]  ? clear_bhb_loop+0x30/0x80
[  237.108995][ T5727]  ? clear_bhb_loop+0x30/0x80
[  237.113831][ T5727]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.120100][ T5727] RIP: 0033:0x7f41eafae60a
[  237.125059][ T5727] 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
[  237.144745][ T5727] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.153167][ T5727] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  237.161223][ T5727] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  237.169755][ T5727] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  237.178003][ T5727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.186506][ T5727] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.194573][ T5727]  </TASK>
[  237.198797][ T5727] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.212288][ T5727] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/17 08:26:55 executed programs: 179
[  237.543216][ T5729] loop1: detected capacity change from 0 to 32768
[  237.609018][ T5729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.616721][ T5729] CPU: 0 PID: 5729 Comm: syz.1.194 Not tainted syzkaller #0
[  237.624375][ T5729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  237.634554][ T5729] Call Trace:
[  237.637951][ T5729]  <TASK>
[  237.641074][ T5729]  dump_stack_lvl+0x188/0x250
[  237.645864][ T5729]  ? show_regs_print_info+0x20/0x20
[  237.651339][ T5729]  ? load_image+0x400/0x400
[  237.655978][ T5729]  sysfs_create_dir_ns+0x26a/0x290
[  237.661369][ T5729]  ? sysfs_warn_dup+0xa0/0xa0
[  237.666261][ T5729]  ? do_raw_spin_unlock+0x11d/0x230
[  237.671578][ T5729]  kobject_add_internal+0x6e0/0xd90
[  237.676981][ T5729]  kobject_init_and_add+0x128/0x190
[  237.682282][ T5729]  ? lockdep_softirqs_off+0x430/0x430
[  237.687859][ T5729]  ? kobject_add+0x230/0x230
[  237.692567][ T5729]  ? __init_swait_queue_head+0xa5/0x150
[  237.698330][ T5729]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.703151][ T5729]  ? gfs2_recover_set+0x240/0x240
[  237.708653][ T5729]  ? snprintf+0xe5/0x140
[  237.713216][ T5729]  ? __free_pages+0x95/0x1a0
[  237.718163][ T5729]  ? vscnprintf+0x80/0x80
[  237.722678][ T5729]  gfs2_fill_super+0x120f/0x1f00
[  237.727700][ T5729]  ? gfs2_reconfigure+0xd30/0xd30
[  237.733168][ T5729]  ? sb_set_blocksize+0xa5/0xe0
[  237.738152][ T5729]  get_tree_bdev+0x3f1/0x610
[  237.743006][ T5729]  ? gfs2_reconfigure+0xd30/0xd30
[  237.748233][ T5729]  gfs2_get_tree+0x4d/0x1e0
[  237.752758][ T5729]  vfs_get_tree+0x88/0x270
[  237.757258][ T5729]  do_new_mount+0x24a/0xa40
[  237.761942][ T5729]  __se_sys_mount+0x2e3/0x3d0
[  237.766737][ T5729]  ? __x64_sys_mount+0xc0/0xc0
[  237.771750][ T5729]  ? lockdep_hardirqs_on+0x94/0x140
[  237.777123][ T5729]  ? __x64_sys_mount+0x1c/0xc0
[  237.781887][ T5729]  do_syscall_64+0x4c/0xa0
[  237.786773][ T5729]  ? clear_bhb_loop+0x30/0x80
[  237.791848][ T5729]  ? clear_bhb_loop+0x30/0x80
[  237.796700][ T5729]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.802683][ T5729] RIP: 0033:0x7f41eafae60a
[  237.807444][ T5729] 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
[  237.827498][ T5729] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.836100][ T5729] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  237.844162][ T5729] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  237.852222][ T5729] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  237.860542][ T5729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.868799][ T5729] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.876990][ T5729]  </TASK>
[  237.881457][ T5729] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.895177][ T5729] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.208757][ T5731] loop1: detected capacity change from 0 to 32768
[  238.257599][ T5731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.265458][ T5731] CPU: 0 PID: 5731 Comm: syz.1.195 Not tainted syzkaller #0
[  238.272924][ T5731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  238.283425][ T5731] Call Trace:
[  238.286810][ T5731]  <TASK>
[  238.289840][ T5731]  dump_stack_lvl+0x188/0x250
[  238.294805][ T5731]  ? show_regs_print_info+0x20/0x20
[  238.300193][ T5731]  ? load_image+0x400/0x400
[  238.304810][ T5731]  sysfs_create_dir_ns+0x26a/0x290
[  238.310437][ T5731]  ? sysfs_warn_dup+0xa0/0xa0
[  238.315136][ T5731]  ? do_raw_spin_unlock+0x11d/0x230
[  238.320465][ T5731]  kobject_add_internal+0x6e0/0xd90
[  238.325786][ T5731]  kobject_init_and_add+0x128/0x190
[  238.331094][ T5731]  ? lockdep_softirqs_off+0x430/0x430
[  238.336761][ T5731]  ? kobject_add+0x230/0x230
[  238.341469][ T5731]  ? __init_swait_queue_head+0xa5/0x150
[  238.347556][ T5731]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.352656][ T5731]  ? gfs2_recover_set+0x240/0x240
[  238.358136][ T5731]  ? snprintf+0xe5/0x140
[  238.362381][ T5731]  ? __free_pages+0x95/0x1a0
[  238.367826][ T5731]  ? vscnprintf+0x80/0x80
[  238.372527][ T5731]  gfs2_fill_super+0x120f/0x1f00
[  238.377785][ T5731]  ? gfs2_reconfigure+0xd30/0xd30
[  238.382999][ T5731]  ? sb_set_blocksize+0xa5/0xe0
[  238.387925][ T5731]  get_tree_bdev+0x3f1/0x610
[  238.392775][ T5731]  ? gfs2_reconfigure+0xd30/0xd30
[  238.397812][ T5731]  gfs2_get_tree+0x4d/0x1e0
[  238.402324][ T5731]  vfs_get_tree+0x88/0x270
[  238.406843][ T5731]  do_new_mount+0x24a/0xa40
[  238.411539][ T5731]  __se_sys_mount+0x2e3/0x3d0
[  238.416493][ T5731]  ? __x64_sys_mount+0xc0/0xc0
[  238.421527][ T5731]  ? lockdep_hardirqs_on+0x94/0x140
[  238.427014][ T5731]  ? __x64_sys_mount+0x1c/0xc0
[  238.431859][ T5731]  do_syscall_64+0x4c/0xa0
[  238.436682][ T5731]  ? clear_bhb_loop+0x30/0x80
[  238.441470][ T5731]  ? clear_bhb_loop+0x30/0x80
[  238.446308][ T5731]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.452297][ T5731] RIP: 0033:0x7f41eafae60a
[  238.456792][ T5731] 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
[  238.477487][ T5731] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.486287][ T5731] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  238.494527][ T5731] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  238.502937][ T5731] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  238.511225][ T5731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.519559][ T5731] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.527975][ T5731]  </TASK>
[  238.532366][ T5731] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.546572][ T5731] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.846801][ T5733] loop1: detected capacity change from 0 to 32768
[  238.900668][ T5733] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.909554][ T5733] CPU: 0 PID: 5733 Comm: syz.1.196 Not tainted syzkaller #0
[  238.917312][ T5733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  238.927644][ T5733] Call Trace:
[  238.930945][ T5733]  <TASK>
[  238.933893][ T5733]  dump_stack_lvl+0x188/0x250
[  238.938765][ T5733]  ? show_regs_print_info+0x20/0x20
[  238.944152][ T5733]  ? load_image+0x400/0x400
[  238.948686][ T5733]  sysfs_create_dir_ns+0x26a/0x290
[  238.953959][ T5733]  ? sysfs_warn_dup+0xa0/0xa0
[  238.958990][ T5733]  ? do_raw_spin_unlock+0x11d/0x230
[  238.964521][ T5733]  kobject_add_internal+0x6e0/0xd90
[  238.970400][ T5733]  kobject_init_and_add+0x128/0x190
[  238.977118][ T5733]  ? lockdep_softirqs_off+0x430/0x430
[  238.982797][ T5733]  ? kobject_add+0x230/0x230
[  238.987558][ T5733]  ? __init_swait_queue_head+0xa5/0x150
[  238.993343][ T5733]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.998114][ T5733]  ? gfs2_recover_set+0x240/0x240
[  239.003138][ T5733]  ? snprintf+0xe5/0x140
[  239.007609][ T5733]  ? __free_pages+0x95/0x1a0
[  239.012305][ T5733]  ? vscnprintf+0x80/0x80
[  239.016722][ T5733]  gfs2_fill_super+0x120f/0x1f00
[  239.021933][ T5733]  ? gfs2_reconfigure+0xd30/0xd30
[  239.026963][ T5733]  ? sb_set_blocksize+0xa5/0xe0
[  239.032039][ T5733]  get_tree_bdev+0x3f1/0x610
[  239.037095][ T5733]  ? gfs2_reconfigure+0xd30/0xd30
[  239.043104][ T5733]  gfs2_get_tree+0x4d/0x1e0
[  239.047863][ T5733]  vfs_get_tree+0x88/0x270
[  239.052424][ T5733]  do_new_mount+0x24a/0xa40
[  239.056956][ T5733]  __se_sys_mount+0x2e3/0x3d0
[  239.061826][ T5733]  ? __x64_sys_mount+0xc0/0xc0
[  239.066725][ T5733]  ? lockdep_hardirqs_on+0x94/0x140
[  239.072047][ T5733]  ? __x64_sys_mount+0x1c/0xc0
[  239.076810][ T5733]  do_syscall_64+0x4c/0xa0
[  239.081220][ T5733]  ? clear_bhb_loop+0x30/0x80
[  239.085971][ T5733]  ? clear_bhb_loop+0x30/0x80
[  239.090724][ T5733]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.096982][ T5733] RIP: 0033:0x7f41eafae60a
[  239.101521][ T5733] 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
[  239.121564][ T5733] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.130151][ T5733] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  239.138494][ T5733] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  239.146788][ T5733] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  239.155400][ T5733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.163484][ T5733] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.171873][ T5733]  </TASK>
[  239.180137][ T5733] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.195798][ T5733] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.501255][ T5735] loop1: detected capacity change from 0 to 32768
[  239.520332][ T5735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.527933][ T5735] CPU: 0 PID: 5735 Comm: syz.1.197 Not tainted syzkaller #0
[  239.535423][ T5735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  239.546157][ T5735] Call Trace:
[  239.549639][ T5735]  <TASK>
[  239.552765][ T5735]  dump_stack_lvl+0x188/0x250
[  239.557560][ T5735]  ? show_regs_print_info+0x20/0x20
[  239.562949][ T5735]  ? load_image+0x400/0x400
[  239.567927][ T5735]  sysfs_create_dir_ns+0x26a/0x290
[  239.573342][ T5735]  ? sysfs_warn_dup+0xa0/0xa0
[  239.578186][ T5735]  ? do_raw_spin_unlock+0x11d/0x230
[  239.583591][ T5735]  kobject_add_internal+0x6e0/0xd90
[  239.588881][ T5735]  kobject_init_and_add+0x128/0x190
[  239.594080][ T5735]  ? lockdep_softirqs_off+0x430/0x430
[  239.599625][ T5735]  ? kobject_add+0x230/0x230
[  239.604506][ T5735]  ? __init_swait_queue_head+0xa5/0x150
[  239.610135][ T5735]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.615078][ T5735]  ? gfs2_recover_set+0x240/0x240
[  239.620358][ T5735]  ? snprintf+0xe5/0x140
[  239.624806][ T5735]  ? __free_pages+0x95/0x1a0
[  239.629427][ T5735]  ? vscnprintf+0x80/0x80
[  239.634062][ T5735]  gfs2_fill_super+0x120f/0x1f00
[  239.639362][ T5735]  ? gfs2_reconfigure+0xd30/0xd30
[  239.644392][ T5735]  ? sb_set_blocksize+0xa5/0xe0
[  239.649251][ T5735]  get_tree_bdev+0x3f1/0x610
[  239.653971][ T5735]  ? gfs2_reconfigure+0xd30/0xd30
[  239.659008][ T5735]  gfs2_get_tree+0x4d/0x1e0
[  239.663706][ T5735]  vfs_get_tree+0x88/0x270
[  239.668209][ T5735]  do_new_mount+0x24a/0xa40
[  239.672968][ T5735]  __se_sys_mount+0x2e3/0x3d0
[  239.677829][ T5735]  ? __x64_sys_mount+0xc0/0xc0
[  239.683001][ T5735]  ? lockdep_hardirqs_on+0x94/0x140
[  239.688419][ T5735]  ? __x64_sys_mount+0x1c/0xc0
[  239.693449][ T5735]  do_syscall_64+0x4c/0xa0
[  239.698051][ T5735]  ? clear_bhb_loop+0x30/0x80
[  239.702921][ T5735]  ? clear_bhb_loop+0x30/0x80
[  239.707876][ T5735]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.713869][ T5735] RIP: 0033:0x7f41eafae60a
[  239.718304][ T5735] 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
[  239.738441][ T5735] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.747023][ T5735] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  239.755077][ T5735] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  239.763505][ T5735] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  239.771956][ T5735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.780527][ T5735] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.788829][ T5735]  </TASK>
[  239.793950][ T5735] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.808481][ T5735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.129410][ T5737] loop1: detected capacity change from 0 to 32768
[  240.179700][ T5737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.187476][ T5737] CPU: 0 PID: 5737 Comm: syz.1.198 Not tainted syzkaller #0
[  240.194950][ T5737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.205551][ T5737] Call Trace:
[  240.209016][ T5737]  <TASK>
[  240.211973][ T5737]  dump_stack_lvl+0x188/0x250
[  240.216932][ T5737]  ? show_regs_print_info+0x20/0x20
[  240.222236][ T5737]  ? load_image+0x400/0x400
[  240.226863][ T5737]  sysfs_create_dir_ns+0x26a/0x290
[  240.232021][ T5737]  ? sysfs_warn_dup+0xa0/0xa0
[  240.237005][ T5737]  ? do_raw_spin_unlock+0x11d/0x230
[  240.242258][ T5737]  kobject_add_internal+0x6e0/0xd90
[  240.247478][ T5737]  kobject_init_and_add+0x128/0x190
[  240.252691][ T5737]  ? lockdep_softirqs_off+0x430/0x430
[  240.258085][ T5737]  ? kobject_add+0x230/0x230
[  240.262970][ T5737]  ? __init_swait_queue_head+0xa5/0x150
[  240.268720][ T5737]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.273480][ T5737]  ? gfs2_recover_set+0x240/0x240
[  240.278600][ T5737]  ? snprintf+0xe5/0x140
[  240.282945][ T5737]  ? __free_pages+0x95/0x1a0
[  240.287983][ T5737]  ? vscnprintf+0x80/0x80
[  240.292484][ T5737]  gfs2_fill_super+0x120f/0x1f00
[  240.297501][ T5737]  ? gfs2_reconfigure+0xd30/0xd30
[  240.302786][ T5737]  ? sb_set_blocksize+0xa5/0xe0
[  240.307769][ T5737]  get_tree_bdev+0x3f1/0x610
[  240.312544][ T5737]  ? gfs2_reconfigure+0xd30/0xd30
[  240.317650][ T5737]  gfs2_get_tree+0x4d/0x1e0
[  240.322146][ T5737]  vfs_get_tree+0x88/0x270
[  240.326642][ T5737]  do_new_mount+0x24a/0xa40
[  240.331220][ T5737]  __se_sys_mount+0x2e3/0x3d0
[  240.335973][ T5737]  ? __x64_sys_mount+0xc0/0xc0
[  240.340808][ T5737]  ? lockdep_hardirqs_on+0x94/0x140
[  240.345992][ T5737]  ? __x64_sys_mount+0x1c/0xc0
[  240.350834][ T5737]  do_syscall_64+0x4c/0xa0
[  240.355462][ T5737]  ? clear_bhb_loop+0x30/0x80
[  240.360143][ T5737]  ? clear_bhb_loop+0x30/0x80
[  240.364904][ T5737]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.371221][ T5737] RIP: 0033:0x7f41eafae60a
[  240.375740][ T5737] 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
[  240.395780][ T5737] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.404471][ T5737] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  240.412752][ T5737] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  240.421040][ T5737] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  240.429482][ T5737] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.438356][ T5737] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.446772][ T5737]  </TASK>
[  240.460780][ T5737] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.474841][ T5737] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.818955][ T5739] loop1: detected capacity change from 0 to 32768
[  240.862754][ T5739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.876699][ T5739] CPU: 1 PID: 5739 Comm: syz.1.199 Not tainted syzkaller #0
[  240.884285][ T5739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  240.894627][ T5739] Call Trace:
[  240.897917][ T5739]  <TASK>
[  240.900851][ T5739]  dump_stack_lvl+0x188/0x250
[  240.905553][ T5739]  ? show_regs_print_info+0x20/0x20
[  240.910763][ T5739]  ? load_image+0x400/0x400
[  240.915299][ T5739]  sysfs_create_dir_ns+0x26a/0x290
[  240.920532][ T5739]  ? sysfs_warn_dup+0xa0/0xa0
[  240.925446][ T5739]  ? do_raw_spin_unlock+0x11d/0x230
[  240.931033][ T5739]  kobject_add_internal+0x6e0/0xd90
[  240.936435][ T5739]  kobject_init_and_add+0x128/0x190
[  240.941747][ T5739]  ? lockdep_softirqs_off+0x430/0x430
[  240.947258][ T5739]  ? kobject_add+0x230/0x230
[  240.952036][ T5739]  ? __init_swait_queue_head+0xa5/0x150
[  240.957667][ T5739]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.963085][ T5739]  ? gfs2_recover_set+0x240/0x240
[  240.968499][ T5739]  ? snprintf+0xe5/0x140
[  240.973109][ T5739]  ? __free_pages+0x95/0x1a0
[  240.977822][ T5739]  ? vscnprintf+0x80/0x80
[  240.982177][ T5739]  gfs2_fill_super+0x120f/0x1f00
[  240.987213][ T5739]  ? gfs2_reconfigure+0xd30/0xd30
[  240.992340][ T5739]  ? sb_set_blocksize+0xa5/0xe0
[  240.997182][ T5739]  get_tree_bdev+0x3f1/0x610
[  241.001834][ T5739]  ? gfs2_reconfigure+0xd30/0xd30
[  241.007095][ T5739]  gfs2_get_tree+0x4d/0x1e0
[  241.011760][ T5739]  vfs_get_tree+0x88/0x270
[  241.016429][ T5739]  do_new_mount+0x24a/0xa40
[  241.020935][ T5739]  __se_sys_mount+0x2e3/0x3d0
[  241.025696][ T5739]  ? __x64_sys_mount+0xc0/0xc0
[  241.030663][ T5739]  ? lockdep_hardirqs_on+0x94/0x140
[  241.036120][ T5739]  ? __x64_sys_mount+0x1c/0xc0
[  241.041280][ T5739]  do_syscall_64+0x4c/0xa0
[  241.045689][ T5739]  ? clear_bhb_loop+0x30/0x80
[  241.050440][ T5739]  ? clear_bhb_loop+0x30/0x80
[  241.055258][ T5739]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.061146][ T5739] RIP: 0033:0x7f41eafae60a
[  241.066180][ T5739] 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
[  241.086860][ T5739] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.095488][ T5739] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  241.103751][ T5739] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  241.111715][ T5739] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  241.119882][ T5739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.128147][ T5739] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.136232][ T5739]  </TASK>
[  241.140570][ T5739] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.153818][ T5739] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.467525][ T5741] loop1: detected capacity change from 0 to 32768
[  241.549766][ T5741] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.557535][ T5741] CPU: 1 PID: 5741 Comm: syz.1.200 Not tainted syzkaller #0
[  241.565094][ T5741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  241.575258][ T5741] Call Trace:
[  241.578551][ T5741]  <TASK>
[  241.581496][ T5741]  dump_stack_lvl+0x188/0x250
[  241.586391][ T5741]  ? show_regs_print_info+0x20/0x20
[  241.591693][ T5741]  ? load_image+0x400/0x400
[  241.596220][ T5741]  sysfs_create_dir_ns+0x26a/0x290
[  241.601344][ T5741]  ? sysfs_warn_dup+0xa0/0xa0
[  241.606126][ T5741]  ? do_raw_spin_unlock+0x11d/0x230
[  241.611403][ T5741]  kobject_add_internal+0x6e0/0xd90
[  241.616600][ T5741]  kobject_init_and_add+0x128/0x190
[  241.621871][ T5741]  ? lockdep_softirqs_off+0x430/0x430
[  241.627236][ T5741]  ? kobject_add+0x230/0x230
[  241.631999][ T5741]  ? __init_swait_queue_head+0xa5/0x150
[  241.637713][ T5741]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.642713][ T5741]  ? gfs2_recover_set+0x240/0x240
[  241.648083][ T5741]  ? snprintf+0xe5/0x140
[  241.652602][ T5741]  ? __free_pages+0x95/0x1a0
[  241.657272][ T5741]  ? vscnprintf+0x80/0x80
[  241.661772][ T5741]  gfs2_fill_super+0x120f/0x1f00
[  241.666980][ T5741]  ? gfs2_reconfigure+0xd30/0xd30
[  241.672115][ T5741]  ? sb_set_blocksize+0xa5/0xe0
[  241.677178][ T5741]  get_tree_bdev+0x3f1/0x610
[  241.681901][ T5741]  ? gfs2_reconfigure+0xd30/0xd30
[  241.687616][ T5741]  gfs2_get_tree+0x4d/0x1e0
[  241.692301][ T5741]  vfs_get_tree+0x88/0x270
[  241.697028][ T5741]  do_new_mount+0x24a/0xa40
[  241.701635][ T5741]  __se_sys_mount+0x2e3/0x3d0
[  241.706525][ T5741]  ? __x64_sys_mount+0xc0/0xc0
[  241.711400][ T5741]  ? lockdep_hardirqs_on+0x94/0x140
[  241.716690][ T5741]  ? __x64_sys_mount+0x1c/0xc0
[  241.721697][ T5741]  do_syscall_64+0x4c/0xa0
[  241.726230][ T5741]  ? clear_bhb_loop+0x30/0x80
[  241.730917][ T5741]  ? clear_bhb_loop+0x30/0x80
[  241.735586][ T5741]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.741637][ T5741] RIP: 0033:0x7f41eafae60a
[  241.746258][ T5741] 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
[  241.766687][ T5741] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.775438][ T5741] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  241.783895][ T5741] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  241.792225][ T5741] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  241.800570][ T5741] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.808646][ T5741] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.817056][ T5741]  </TASK>
[  241.821931][ T5741] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.835547][ T5741] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.155007][ T5743] loop1: detected capacity change from 0 to 32768
[  242.213117][ T5743] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.224863][ T5743] CPU: 0 PID: 5743 Comm: syz.1.201 Not tainted syzkaller #0
[  242.232363][ T5743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  242.242793][ T5743] Call Trace:
[  242.246080][ T5743]  <TASK>
[  242.249014][ T5743]  dump_stack_lvl+0x188/0x250
[  242.254432][ T5743]  ? show_regs_print_info+0x20/0x20
[  242.259918][ T5743]  ? load_image+0x400/0x400
[  242.264735][ T5743]  sysfs_create_dir_ns+0x26a/0x290
[  242.269870][ T5743]  ? sysfs_warn_dup+0xa0/0xa0
[  242.274563][ T5743]  ? do_raw_spin_unlock+0x11d/0x230
[  242.279827][ T5743]  kobject_add_internal+0x6e0/0xd90
[  242.285051][ T5743]  kobject_init_and_add+0x128/0x190
[  242.290731][ T5743]  ? lockdep_softirqs_off+0x430/0x430
[  242.296404][ T5743]  ? kobject_add+0x230/0x230
[  242.300993][ T5743]  ? __init_swait_queue_head+0xa5/0x150
[  242.306989][ T5743]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.311764][ T5743]  ? gfs2_recover_set+0x240/0x240
[  242.317045][ T5743]  ? snprintf+0xe5/0x140
[  242.321367][ T5743]  ? __free_pages+0x95/0x1a0
[  242.325959][ T5743]  ? vscnprintf+0x80/0x80
[  242.330486][ T5743]  gfs2_fill_super+0x120f/0x1f00
[  242.335438][ T5743]  ? gfs2_reconfigure+0xd30/0xd30
[  242.340652][ T5743]  ? sb_set_blocksize+0xa5/0xe0
[  242.345669][ T5743]  get_tree_bdev+0x3f1/0x610
[  242.350452][ T5743]  ? gfs2_reconfigure+0xd30/0xd30
[  242.356426][ T5743]  gfs2_get_tree+0x4d/0x1e0
[  242.361077][ T5743]  vfs_get_tree+0x88/0x270
[  242.365698][ T5743]  do_new_mount+0x24a/0xa40
[  242.370208][ T5743]  __se_sys_mount+0x2e3/0x3d0
[  242.374878][ T5743]  ? __x64_sys_mount+0xc0/0xc0
[  242.377987][ T4300] Bluetooth: hci1: command 0x0406 tx timeout
[  242.379762][ T5743]  ? lockdep_hardirqs_on+0x94/0x140
[  242.391265][ T5743]  ? __x64_sys_mount+0x1c/0xc0
[  242.396167][ T5743]  do_syscall_64+0x4c/0xa0
[  242.400668][ T5743]  ? clear_bhb_loop+0x30/0x80
[  242.405633][ T5743]  ? clear_bhb_loop+0x30/0x80
[  242.410553][ T5743]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.416521][ T5743] RIP: 0033:0x7f41eafae60a
[  242.421151][ T5743] 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
[  242.441465][ T5743] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.450276][ T5743] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  242.459006][ T5743] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  242.467418][ T5743] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  242.475568][ T5743] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.483799][ T5743] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.491775][ T5743]  </TASK>
[  242.496287][ T5743] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.510274][ T5743] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/17 08:27:00 executed programs: 187
[  242.820246][ T5745] loop1: detected capacity change from 0 to 32768
[  242.866937][ T5745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.874646][ T5745] CPU: 1 PID: 5745 Comm: syz.1.202 Not tainted syzkaller #0
[  242.882402][ T5745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  242.892831][ T5745] Call Trace:
[  242.896142][ T5745]  <TASK>
[  242.899307][ T5745]  dump_stack_lvl+0x188/0x250
[  242.904192][ T5745]  ? show_regs_print_info+0x20/0x20
[  242.909848][ T5745]  ? load_image+0x400/0x400
[  242.914488][ T5745]  sysfs_create_dir_ns+0x26a/0x290
[  242.919619][ T5745]  ? sysfs_warn_dup+0xa0/0xa0
[  242.924432][ T5745]  ? do_raw_spin_unlock+0x11d/0x230
[  242.929998][ T5745]  kobject_add_internal+0x6e0/0xd90
[  242.935492][ T5745]  kobject_init_and_add+0x128/0x190
[  242.940843][ T5745]  ? lockdep_softirqs_off+0x430/0x430
[  242.946500][ T5745]  ? kobject_add+0x230/0x230
[  242.951202][ T5745]  ? __init_swait_queue_head+0xa5/0x150
[  242.957048][ T5745]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.962194][ T5745]  ? gfs2_recover_set+0x240/0x240
[  242.967432][ T5745]  ? snprintf+0xe5/0x140
[  242.971852][ T5745]  ? __free_pages+0x95/0x1a0
[  242.976627][ T5745]  ? vscnprintf+0x80/0x80
[  242.981396][ T5745]  gfs2_fill_super+0x120f/0x1f00
[  242.986558][ T5745]  ? gfs2_reconfigure+0xd30/0xd30
[  242.991587][ T5745]  ? sb_set_blocksize+0xa5/0xe0
[  242.996644][ T5745]  get_tree_bdev+0x3f1/0x610
[  243.001426][ T5745]  ? gfs2_reconfigure+0xd30/0xd30
[  243.006454][ T5745]  gfs2_get_tree+0x4d/0x1e0
[  243.011189][ T5745]  vfs_get_tree+0x88/0x270
[  243.015885][ T5745]  do_new_mount+0x24a/0xa40
[  243.020752][ T5745]  __se_sys_mount+0x2e3/0x3d0
[  243.025617][ T5745]  ? __x64_sys_mount+0xc0/0xc0
[  243.030474][ T5745]  ? lockdep_hardirqs_on+0x94/0x140
[  243.036045][ T5745]  ? __x64_sys_mount+0x1c/0xc0
[  243.041329][ T5745]  do_syscall_64+0x4c/0xa0
[  243.046047][ T5745]  ? clear_bhb_loop+0x30/0x80
[  243.051171][ T5745]  ? clear_bhb_loop+0x30/0x80
[  243.056033][ T5745]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.062185][ T5745] RIP: 0033:0x7f41eafae60a
[  243.067101][ T5745] 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
[  243.088267][ T5745] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.097239][ T5745] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  243.105778][ T5745] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  243.113987][ T5745] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  243.122133][ T5745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.130437][ T5745] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.138699][ T5745]  </TASK>
[  243.143054][ T5745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.156810][ T5745] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.463056][ T5747] loop1: detected capacity change from 0 to 32768
[  243.510587][ T5747] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.518445][ T5747] CPU: 1 PID: 5747 Comm: syz.1.203 Not tainted syzkaller #0
[  243.526008][ T5747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  243.536349][ T5747] Call Trace:
[  243.539812][ T5747]  <TASK>
[  243.542874][ T5747]  dump_stack_lvl+0x188/0x250
[  243.547659][ T5747]  ? show_regs_print_info+0x20/0x20
[  243.553046][ T5747]  ? load_image+0x400/0x400
[  243.557979][ T5747]  sysfs_create_dir_ns+0x26a/0x290
[  243.563202][ T5747]  ? sysfs_warn_dup+0xa0/0xa0
[  243.567999][ T5747]  ? do_raw_spin_unlock+0x11d/0x230
[  243.573218][ T5747]  kobject_add_internal+0x6e0/0xd90
[  243.578623][ T5747]  kobject_init_and_add+0x128/0x190
[  243.583922][ T5747]  ? lockdep_softirqs_off+0x430/0x430
[  243.589499][ T5747]  ? kobject_add+0x230/0x230
[  243.594374][ T5747]  ? __init_swait_queue_head+0xa5/0x150
[  243.600111][ T5747]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.605006][ T5747]  ? gfs2_recover_set+0x240/0x240
[  243.610154][ T5747]  ? snprintf+0xe5/0x140
[  243.614482][ T5747]  ? __free_pages+0x95/0x1a0
[  243.619066][ T5747]  ? vscnprintf+0x80/0x80
[  243.623484][ T5747]  gfs2_fill_super+0x120f/0x1f00
[  243.628540][ T5747]  ? gfs2_reconfigure+0xd30/0xd30
[  243.633710][ T5747]  ? sb_set_blocksize+0xa5/0xe0
[  243.638729][ T5747]  get_tree_bdev+0x3f1/0x610
[  243.643775][ T5747]  ? gfs2_reconfigure+0xd30/0xd30
[  243.649017][ T5747]  gfs2_get_tree+0x4d/0x1e0
[  243.653524][ T5747]  vfs_get_tree+0x88/0x270
[  243.658294][ T5747]  do_new_mount+0x24a/0xa40
[  243.662931][ T5747]  __se_sys_mount+0x2e3/0x3d0
[  243.667889][ T5747]  ? __x64_sys_mount+0xc0/0xc0
[  243.672837][ T5747]  ? lockdep_hardirqs_on+0x94/0x140
[  243.678207][ T5747]  ? __x64_sys_mount+0x1c/0xc0
[  243.683599][ T5747]  do_syscall_64+0x4c/0xa0
[  243.688552][ T5747]  ? clear_bhb_loop+0x30/0x80
[  243.693819][ T5747]  ? clear_bhb_loop+0x30/0x80
[  243.698688][ T5747]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.704578][ T5747] RIP: 0033:0x7f41eafae60a
[  243.709147][ T5747] 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
[  243.730286][ T5747] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.739018][ T5747] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  243.747231][ T5747] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  243.755638][ T5747] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  243.764137][ T5747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.772532][ T5747] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.780902][ T5747]  </TASK>
[  243.785460][ T5747] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.799232][ T5747] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.120688][ T5749] loop1: detected capacity change from 0 to 32768
[  244.166640][ T5749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.174339][ T5749] CPU: 1 PID: 5749 Comm: syz.1.204 Not tainted syzkaller #0
[  244.182004][ T5749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  244.193249][ T5749] Call Trace:
[  244.196542][ T5749]  <TASK>
[  244.199581][ T5749]  dump_stack_lvl+0x188/0x250
[  244.204281][ T5749]  ? show_regs_print_info+0x20/0x20
[  244.209505][ T5749]  ? load_image+0x400/0x400
[  244.214130][ T5749]  sysfs_create_dir_ns+0x26a/0x290
[  244.219472][ T5749]  ? sysfs_warn_dup+0xa0/0xa0
[  244.224384][ T5749]  ? do_raw_spin_unlock+0x11d/0x230
[  244.229608][ T5749]  kobject_add_internal+0x6e0/0xd90
[  244.235170][ T5749]  kobject_init_and_add+0x128/0x190
[  244.240891][ T5749]  ? lockdep_softirqs_off+0x430/0x430
[  244.246521][ T5749]  ? kobject_add+0x230/0x230
[  244.251405][ T5749]  ? __init_swait_queue_head+0xa5/0x150
[  244.257145][ T5749]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.262249][ T5749]  ? gfs2_recover_set+0x240/0x240
[  244.267526][ T5749]  ? snprintf+0xe5/0x140
[  244.271864][ T5749]  ? __free_pages+0x95/0x1a0
[  244.276644][ T5749]  ? vscnprintf+0x80/0x80
[  244.281287][ T5749]  gfs2_fill_super+0x120f/0x1f00
[  244.286418][ T5749]  ? gfs2_reconfigure+0xd30/0xd30
[  244.291543][ T5749]  ? sb_set_blocksize+0xa5/0xe0
[  244.296951][ T5749]  get_tree_bdev+0x3f1/0x610
[  244.301842][ T5749]  ? gfs2_reconfigure+0xd30/0xd30
[  244.307306][ T5749]  gfs2_get_tree+0x4d/0x1e0
[  244.311898][ T5749]  vfs_get_tree+0x88/0x270
[  244.316497][ T5749]  do_new_mount+0x24a/0xa40
[  244.321179][ T5749]  __se_sys_mount+0x2e3/0x3d0
[  244.326119][ T5749]  ? __x64_sys_mount+0xc0/0xc0
[  244.331280][ T5749]  ? lockdep_hardirqs_on+0x94/0x140
[  244.336474][ T5749]  ? __x64_sys_mount+0x1c/0xc0
[  244.341403][ T5749]  do_syscall_64+0x4c/0xa0
[  244.346168][ T5749]  ? clear_bhb_loop+0x30/0x80
[  244.350969][ T5749]  ? clear_bhb_loop+0x30/0x80
[  244.355908][ T5749]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.362163][ T5749] RIP: 0033:0x7f41eafae60a
[  244.366579][ T5749] 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
[  244.387633][ T5749] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.396486][ T5749] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  244.404854][ T5749] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  244.412998][ T5749] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  244.421357][ T5749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.429740][ T5749] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.438183][ T5749]  </TASK>
[  244.443043][ T5749] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.457065][ T5749] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.753699][ T5751] loop1: detected capacity change from 0 to 32768
[  244.828992][ T5751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.836668][ T5751] CPU: 0 PID: 5751 Comm: syz.1.205 Not tainted syzkaller #0
[  244.844960][ T5751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  244.855397][ T5751] Call Trace:
[  244.858975][ T5751]  <TASK>
[  244.862147][ T5751]  dump_stack_lvl+0x188/0x250
[  244.867018][ T5751]  ? show_regs_print_info+0x20/0x20
[  244.872243][ T5751]  ? load_image+0x400/0x400
[  244.877063][ T5751]  sysfs_create_dir_ns+0x26a/0x290
[  244.882298][ T5751]  ? sysfs_warn_dup+0xa0/0xa0
[  244.886999][ T5751]  ? do_raw_spin_unlock+0x11d/0x230
[  244.892430][ T5751]  kobject_add_internal+0x6e0/0xd90
[  244.898011][ T5751]  kobject_init_and_add+0x128/0x190
[  244.903332][ T5751]  ? lockdep_softirqs_off+0x430/0x430
[  244.908796][ T5751]  ? kobject_add+0x230/0x230
[  244.913419][ T5751]  ? __init_swait_queue_head+0xa5/0x150
[  244.919060][ T5751]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.923856][ T5751]  ? gfs2_recover_set+0x240/0x240
[  244.928877][ T5751]  ? snprintf+0xe5/0x140
[  244.933200][ T5751]  ? __free_pages+0x95/0x1a0
[  244.937781][ T5751]  ? vscnprintf+0x80/0x80
[  244.942110][ T5751]  gfs2_fill_super+0x120f/0x1f00
[  244.947038][ T5751]  ? gfs2_reconfigure+0xd30/0xd30
[  244.952353][ T5751]  ? sb_set_blocksize+0xa5/0xe0
[  244.957300][ T5751]  get_tree_bdev+0x3f1/0x610
[  244.962174][ T5751]  ? gfs2_reconfigure+0xd30/0xd30
[  244.967480][ T5751]  gfs2_get_tree+0x4d/0x1e0
[  244.972108][ T5751]  vfs_get_tree+0x88/0x270
[  244.976714][ T5751]  do_new_mount+0x24a/0xa40
[  244.981223][ T5751]  __se_sys_mount+0x2e3/0x3d0
[  244.986844][ T5751]  ? __x64_sys_mount+0xc0/0xc0
[  244.991982][ T5751]  ? lockdep_hardirqs_on+0x94/0x140
[  244.997325][ T5751]  ? __x64_sys_mount+0x1c/0xc0
[  245.002190][ T5751]  do_syscall_64+0x4c/0xa0
[  245.006658][ T5751]  ? clear_bhb_loop+0x30/0x80
[  245.011445][ T5751]  ? clear_bhb_loop+0x30/0x80
[  245.016313][ T5751]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.022880][ T5751] RIP: 0033:0x7f41eafae60a
[  245.027840][ T5751] 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
[  245.049159][ T5751] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.058212][ T5751] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  245.066775][ T5751] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  245.075454][ T5751] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  245.083641][ T5751] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.092369][ T5751] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.100789][ T5751]  </TASK>
[  245.105242][ T5751] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.118783][ T5751] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.419705][ T5753] loop1: detected capacity change from 0 to 32768
[  245.478032][ T5753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.486087][ T5753] CPU: 1 PID: 5753 Comm: syz.1.206 Not tainted syzkaller #0
[  245.493605][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  245.504031][ T5753] Call Trace:
[  245.507662][ T5753]  <TASK>
[  245.510642][ T5753]  dump_stack_lvl+0x188/0x250
[  245.515502][ T5753]  ? show_regs_print_info+0x20/0x20
[  245.521102][ T5753]  ? load_image+0x400/0x400
[  245.526155][ T5753]  sysfs_create_dir_ns+0x26a/0x290
[  245.531410][ T5753]  ? sysfs_warn_dup+0xa0/0xa0
[  245.536201][ T5753]  ? do_raw_spin_unlock+0x11d/0x230
[  245.541520][ T5753]  kobject_add_internal+0x6e0/0xd90
[  245.547198][ T5753]  kobject_init_and_add+0x128/0x190
[  245.552741][ T5753]  ? lockdep_softirqs_off+0x430/0x430
[  245.558604][ T5753]  ? kobject_add+0x230/0x230
[  245.563321][ T5753]  ? __init_swait_queue_head+0xa5/0x150
[  245.569251][ T5753]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.574121][ T5753]  ? gfs2_recover_set+0x240/0x240
[  245.579540][ T5753]  ? snprintf+0xe5/0x140
[  245.584093][ T5753]  ? __free_pages+0x95/0x1a0
[  245.589035][ T5753]  ? vscnprintf+0x80/0x80
[  245.593395][ T5753]  gfs2_fill_super+0x120f/0x1f00
[  245.598507][ T5753]  ? gfs2_reconfigure+0xd30/0xd30
[  245.603984][ T5753]  ? sb_set_blocksize+0xa5/0xe0
[  245.608862][ T5753]  get_tree_bdev+0x3f1/0x610
[  245.613502][ T5753]  ? gfs2_reconfigure+0xd30/0xd30
[  245.618719][ T5753]  gfs2_get_tree+0x4d/0x1e0
[  245.623240][ T5753]  vfs_get_tree+0x88/0x270
[  245.627735][ T5753]  do_new_mount+0x24a/0xa40
[  245.632323][ T5753]  __se_sys_mount+0x2e3/0x3d0
[  245.637101][ T5753]  ? __x64_sys_mount+0xc0/0xc0
[  245.642036][ T5753]  ? lockdep_hardirqs_on+0x94/0x140
[  245.647415][ T5753]  ? __x64_sys_mount+0x1c/0xc0
[  245.652392][ T5753]  do_syscall_64+0x4c/0xa0
[  245.656904][ T5753]  ? clear_bhb_loop+0x30/0x80
[  245.661820][ T5753]  ? clear_bhb_loop+0x30/0x80
[  245.666580][ T5753]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.672639][ T5753] RIP: 0033:0x7f41eafae60a
[  245.677062][ T5753] 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
[  245.697160][ T5753] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.705926][ T5753] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  245.714180][ T5753] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  245.722852][ T5753] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  245.730921][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.739200][ T5753] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.747354][ T5753]  </TASK>
[  245.751880][ T5753] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.765648][ T5753] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.083802][ T5755] loop1: detected capacity change from 0 to 32768
[  246.148048][ T5755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.156653][ T5755] CPU: 1 PID: 5755 Comm: syz.1.207 Not tainted syzkaller #0
[  246.163975][ T5755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  246.174438][ T5755] Call Trace:
[  246.177866][ T5755]  <TASK>
[  246.180993][ T5755]  dump_stack_lvl+0x188/0x250
[  246.185984][ T5755]  ? show_regs_print_info+0x20/0x20
[  246.191438][ T5755]  ? load_image+0x400/0x400
[  246.196057][ T5755]  sysfs_create_dir_ns+0x26a/0x290
[  246.201191][ T5755]  ? sysfs_warn_dup+0xa0/0xa0
[  246.206100][ T5755]  ? do_raw_spin_unlock+0x11d/0x230
[  246.211333][ T5755]  kobject_add_internal+0x6e0/0xd90
[  246.216561][ T5755]  kobject_init_and_add+0x128/0x190
[  246.221994][ T5755]  ? lockdep_softirqs_off+0x430/0x430
[  246.227823][ T5755]  ? kobject_add+0x230/0x230
[  246.232518][ T5755]  ? __init_swait_queue_head+0xa5/0x150
[  246.238448][ T5755]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.243388][ T5755]  ? gfs2_recover_set+0x240/0x240
[  246.248495][ T5755]  ? snprintf+0xe5/0x140
[  246.252813][ T5755]  ? __free_pages+0x95/0x1a0
[  246.257641][ T5755]  ? vscnprintf+0x80/0x80
[  246.262235][ T5755]  gfs2_fill_super+0x120f/0x1f00
[  246.267427][ T5755]  ? gfs2_reconfigure+0xd30/0xd30
[  246.272453][ T5755]  ? sb_set_blocksize+0xa5/0xe0
[  246.277391][ T5755]  get_tree_bdev+0x3f1/0x610
[  246.282386][ T5755]  ? gfs2_reconfigure+0xd30/0xd30
[  246.287728][ T5755]  gfs2_get_tree+0x4d/0x1e0
[  246.292495][ T5755]  vfs_get_tree+0x88/0x270
[  246.297096][ T5755]  do_new_mount+0x24a/0xa40
[  246.301593][ T5755]  __se_sys_mount+0x2e3/0x3d0
[  246.306365][ T5755]  ? __x64_sys_mount+0xc0/0xc0
[  246.311290][ T5755]  ? lockdep_hardirqs_on+0x94/0x140
[  246.316586][ T5755]  ? __x64_sys_mount+0x1c/0xc0
[  246.321344][ T5755]  do_syscall_64+0x4c/0xa0
[  246.325837][ T5755]  ? clear_bhb_loop+0x30/0x80
[  246.330500][ T5755]  ? clear_bhb_loop+0x30/0x80
[  246.335172][ T5755]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.341262][ T5755] RIP: 0033:0x7f41eafae60a
[  246.345664][ T5755] 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
[  246.365718][ T5755] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.374213][ T5755] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  246.382184][ T5755] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  246.390140][ T5755] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  246.398354][ T5755] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.406503][ T5755] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.414486][ T5755]  </TASK>
[  246.418793][ T5755] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.432238][ T5755] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.775782][ T5757] loop1: detected capacity change from 0 to 32768
[  246.787641][ T5757] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.795649][ T5757] CPU: 1 PID: 5757 Comm: syz.1.208 Not tainted syzkaller #0
[  246.803220][ T5757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  246.813544][ T5757] Call Trace:
[  246.816919][ T5757]  <TASK>
[  246.820029][ T5757]  dump_stack_lvl+0x188/0x250
[  246.825330][ T5757]  ? show_regs_print_info+0x20/0x20
[  246.830808][ T5757]  ? load_image+0x400/0x400
[  246.835499][ T5757]  sysfs_create_dir_ns+0x26a/0x290
[  246.840953][ T5757]  ? sysfs_warn_dup+0xa0/0xa0
[  246.845718][ T5757]  ? do_raw_spin_unlock+0x11d/0x230
[  246.851623][ T5757]  kobject_add_internal+0x6e0/0xd90
[  246.856940][ T5757]  kobject_init_and_add+0x128/0x190
[  246.862441][ T5757]  ? lockdep_softirqs_off+0x430/0x430
[  246.868085][ T5757]  ? kobject_add+0x230/0x230
[  246.872985][ T5757]  ? __init_swait_queue_head+0xa5/0x150
[  246.878623][ T5757]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.883611][ T5757]  ? gfs2_recover_set+0x240/0x240
[  246.888995][ T5757]  ? snprintf+0xe5/0x140
[  246.893530][ T5757]  ? __free_pages+0x95/0x1a0
[  246.898558][ T5757]  ? vscnprintf+0x80/0x80
[  246.903288][ T5757]  gfs2_fill_super+0x120f/0x1f00
[  246.908512][ T5757]  ? gfs2_reconfigure+0xd30/0xd30
[  246.913827][ T5757]  ? sb_set_blocksize+0xa5/0xe0
[  246.918669][ T5757]  get_tree_bdev+0x3f1/0x610
[  246.923338][ T5757]  ? gfs2_reconfigure+0xd30/0xd30
[  246.928656][ T5757]  gfs2_get_tree+0x4d/0x1e0
[  246.933389][ T5757]  vfs_get_tree+0x88/0x270
[  246.938063][ T5757]  do_new_mount+0x24a/0xa40
[  246.942652][ T5757]  __se_sys_mount+0x2e3/0x3d0
[  246.947410][ T5757]  ? __x64_sys_mount+0xc0/0xc0
[  246.952457][ T5757]  ? lockdep_hardirqs_on+0x94/0x140
[  246.957836][ T5757]  ? __x64_sys_mount+0x1c/0xc0
[  246.962613][ T5757]  do_syscall_64+0x4c/0xa0
[  246.967160][ T5757]  ? clear_bhb_loop+0x30/0x80
[  246.972071][ T5757]  ? clear_bhb_loop+0x30/0x80
[  246.976926][ T5757]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.982980][ T5757] RIP: 0033:0x7f41eafae60a
[  246.987574][ T5757] 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
[  247.008006][ T5757] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.017288][ T5757] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  247.025718][ T5757] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  247.033951][ T5757] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  247.042158][ T5757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.050487][ T5757] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.058660][ T5757]  </TASK>
[  247.062952][ T5757] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.076766][ T5757] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.386378][ T5759] loop1: detected capacity change from 0 to 32768
[  247.438066][ T5759] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.445649][ T5759] CPU: 1 PID: 5759 Comm: syz.1.209 Not tainted syzkaller #0
[  247.453028][ T5759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  247.463716][ T5759] Call Trace:
[  247.467272][ T5759]  <TASK>
[  247.470921][ T5759]  dump_stack_lvl+0x188/0x250
[  247.476068][ T5759]  ? show_regs_print_info+0x20/0x20
[  247.481534][ T5759]  ? load_image+0x400/0x400
[  247.486073][ T5759]  sysfs_create_dir_ns+0x26a/0x290
[  247.491630][ T5759]  ? sysfs_warn_dup+0xa0/0xa0
[  247.496505][ T5759]  ? do_raw_spin_unlock+0x11d/0x230
[  247.502188][ T5759]  kobject_add_internal+0x6e0/0xd90
[  247.507905][ T5759]  kobject_init_and_add+0x128/0x190
[  247.513210][ T5759]  ? lockdep_softirqs_off+0x430/0x430
[  247.519025][ T5759]  ? kobject_add+0x230/0x230
[  247.523638][ T5759]  ? __init_swait_queue_head+0xa5/0x150
[  247.529273][ T5759]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.534122][ T5759]  ? gfs2_recover_set+0x240/0x240
[  247.539376][ T5759]  ? snprintf+0xe5/0x140
[  247.543798][ T5759]  ? __free_pages+0x95/0x1a0
[  247.548994][ T5759]  ? vscnprintf+0x80/0x80
[  247.553356][ T5759]  gfs2_fill_super+0x120f/0x1f00
[  247.558379][ T5759]  ? gfs2_reconfigure+0xd30/0xd30
[  247.563581][ T5759]  ? sb_set_blocksize+0xa5/0xe0
[  247.568433][ T5759]  get_tree_bdev+0x3f1/0x610
[  247.573035][ T5759]  ? gfs2_reconfigure+0xd30/0xd30
[  247.578090][ T5759]  gfs2_get_tree+0x4d/0x1e0
[  247.583035][ T5759]  vfs_get_tree+0x88/0x270
[  247.587672][ T5759]  do_new_mount+0x24a/0xa40
[  247.592314][ T5759]  __se_sys_mount+0x2e3/0x3d0
[  247.597504][ T5759]  ? __x64_sys_mount+0xc0/0xc0
[  247.602625][ T5759]  ? lockdep_hardirqs_on+0x94/0x140
[  247.608348][ T5759]  ? __x64_sys_mount+0x1c/0xc0
[  247.613368][ T5759]  do_syscall_64+0x4c/0xa0
[  247.617782][ T5759]  ? clear_bhb_loop+0x30/0x80
[  247.622453][ T5759]  ? clear_bhb_loop+0x30/0x80
[  247.627584][ T5759]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.633569][ T5759] RIP: 0033:0x7f41eafae60a
[  247.638261][ T5759] 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
[  247.658250][ T5759] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.666927][ T5759] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  247.675501][ T5759] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  247.683650][ T5759] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  247.691621][ T5759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.699592][ T5759] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.707847][ T5759]  </TASK>
[  247.712639][ T5759] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.726623][ T5759] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/17 08:27:05 executed programs: 195
[  248.073369][ T5761] loop1: detected capacity change from 0 to 32768
[  248.119438][ T5761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.127028][ T5761] CPU: 0 PID: 5761 Comm: syz.1.210 Not tainted syzkaller #0
[  248.134416][ T5761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  248.144485][ T5761] Call Trace:
[  248.147857][ T5761]  <TASK>
[  248.150795][ T5761]  dump_stack_lvl+0x188/0x250
[  248.155592][ T5761]  ? show_regs_print_info+0x20/0x20
[  248.160900][ T5761]  ? load_image+0x400/0x400
[  248.165691][ T5761]  sysfs_create_dir_ns+0x26a/0x290
[  248.171089][ T5761]  ? sysfs_warn_dup+0xa0/0xa0
[  248.175887][ T5761]  ? do_raw_spin_unlock+0x11d/0x230
[  248.181448][ T5761]  kobject_add_internal+0x6e0/0xd90
[  248.186753][ T5761]  kobject_init_and_add+0x128/0x190
[  248.192404][ T5761]  ? lockdep_softirqs_off+0x430/0x430
[  248.198236][ T5761]  ? kobject_add+0x230/0x230
[  248.203111][ T5761]  ? __init_swait_queue_head+0xa5/0x150
[  248.208770][ T5761]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.213562][ T5761]  ? gfs2_recover_set+0x240/0x240
[  248.218949][ T5761]  ? snprintf+0xe5/0x140
[  248.223754][ T5761]  ? __free_pages+0x95/0x1a0
[  248.228351][ T5761]  ? vscnprintf+0x80/0x80
[  248.232700][ T5761]  gfs2_fill_super+0x120f/0x1f00
[  248.238005][ T5761]  ? gfs2_reconfigure+0xd30/0xd30
[  248.243148][ T5761]  ? sb_set_blocksize+0xa5/0xe0
[  248.248443][ T5761]  get_tree_bdev+0x3f1/0x610
[  248.253394][ T5761]  ? gfs2_reconfigure+0xd30/0xd30
[  248.258515][ T5761]  gfs2_get_tree+0x4d/0x1e0
[  248.263158][ T5761]  vfs_get_tree+0x88/0x270
[  248.267709][ T5761]  do_new_mount+0x24a/0xa40
[  248.272214][ T5761]  __se_sys_mount+0x2e3/0x3d0
[  248.277157][ T5761]  ? __x64_sys_mount+0xc0/0xc0
[  248.282004][ T5761]  ? lockdep_hardirqs_on+0x94/0x140
[  248.287466][ T5761]  ? __x64_sys_mount+0x1c/0xc0
[  248.292796][ T5761]  do_syscall_64+0x4c/0xa0
[  248.297216][ T5761]  ? clear_bhb_loop+0x30/0x80
[  248.302147][ T5761]  ? clear_bhb_loop+0x30/0x80
[  248.306825][ T5761]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.313164][ T5761] RIP: 0033:0x7f41eafae60a
[  248.317873][ T5761] 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
[  248.337469][ T5761] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.345875][ T5761] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  248.353863][ T5761] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  248.361989][ T5761] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  248.369957][ T5761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.378190][ T5761] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.386615][ T5761]  </TASK>
[  248.391625][ T5761] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.405559][ T5761] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.705550][ T5763] loop1: detected capacity change from 0 to 32768
[  248.760731][ T5763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.768469][ T5763] CPU: 1 PID: 5763 Comm: syz.1.211 Not tainted syzkaller #0
[  248.775779][ T5763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  248.786109][ T5763] Call Trace:
[  248.789400][ T5763]  <TASK>
[  248.792342][ T5763]  dump_stack_lvl+0x188/0x250
[  248.797045][ T5763]  ? show_regs_print_info+0x20/0x20
[  248.802268][ T5763]  ? load_image+0x400/0x400
[  248.806984][ T5763]  sysfs_create_dir_ns+0x26a/0x290
[  248.812396][ T5763]  ? sysfs_warn_dup+0xa0/0xa0
[  248.817110][ T5763]  ? do_raw_spin_unlock+0x11d/0x230
[  248.822785][ T5763]  kobject_add_internal+0x6e0/0xd90
[  248.828006][ T5763]  kobject_init_and_add+0x128/0x190
[  248.833484][ T5763]  ? lockdep_softirqs_off+0x430/0x430
[  248.838962][ T5763]  ? kobject_add+0x230/0x230
[  248.843619][ T5763]  ? __init_swait_queue_head+0xa5/0x150
[  248.849426][ T5763]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.854177][ T5763]  ? gfs2_recover_set+0x240/0x240
[  248.859361][ T5763]  ? snprintf+0xe5/0x140
[  248.863762][ T5763]  ? __free_pages+0x95/0x1a0
[  248.868422][ T5763]  ? vscnprintf+0x80/0x80
[  248.872826][ T5763]  gfs2_fill_super+0x120f/0x1f00
[  248.877972][ T5763]  ? gfs2_reconfigure+0xd30/0xd30
[  248.883027][ T5763]  ? sb_set_blocksize+0xa5/0xe0
[  248.888158][ T5763]  get_tree_bdev+0x3f1/0x610
[  248.892922][ T5763]  ? gfs2_reconfigure+0xd30/0xd30
[  248.898206][ T5763]  gfs2_get_tree+0x4d/0x1e0
[  248.903058][ T5763]  vfs_get_tree+0x88/0x270
[  248.907466][ T5763]  do_new_mount+0x24a/0xa40
[  248.912052][ T5763]  __se_sys_mount+0x2e3/0x3d0
[  248.916805][ T5763]  ? __x64_sys_mount+0xc0/0xc0
[  248.921711][ T5763]  ? lockdep_hardirqs_on+0x94/0x140
[  248.927076][ T5763]  ? __x64_sys_mount+0x1c/0xc0
[  248.932112][ T5763]  do_syscall_64+0x4c/0xa0
[  248.936616][ T5763]  ? clear_bhb_loop+0x30/0x80
[  248.941566][ T5763]  ? clear_bhb_loop+0x30/0x80
[  248.946267][ T5763]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.952245][ T5763] RIP: 0033:0x7f41eafae60a
[  248.956692][ T5763] 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
[  248.976576][ T5763] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.985429][ T5763] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  248.993571][ T5763] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  249.002343][ T5763] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  249.010673][ T5763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.018931][ T5763] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  249.027170][ T5763]  </TASK>
[  249.032026][ T5763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.045881][ T5763] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.385372][ T5765] loop1: detected capacity change from 0 to 32768
[  249.438012][ T5765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.445666][ T5765] CPU: 0 PID: 5765 Comm: syz.1.212 Not tainted syzkaller #0
[  249.452965][ T5765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  249.463296][ T5765] Call Trace:
[  249.466685][ T5765]  <TASK>
[  249.469657][ T5765]  dump_stack_lvl+0x188/0x250
[  249.474569][ T5765]  ? show_regs_print_info+0x20/0x20
[  249.479982][ T5765]  ? load_image+0x400/0x400
[  249.484706][ T5765]  sysfs_create_dir_ns+0x26a/0x290
[  249.489888][ T5765]  ? sysfs_warn_dup+0xa0/0xa0
[  249.494790][ T5765]  ? do_raw_spin_unlock+0x11d/0x230
[  249.500273][ T5765]  kobject_add_internal+0x6e0/0xd90
[  249.505500][ T5765]  kobject_init_and_add+0x128/0x190
[  249.510804][ T5765]  ? lockdep_softirqs_off+0x430/0x430
[  249.516697][ T5765]  ? kobject_add+0x230/0x230
[  249.521311][ T5765]  ? __init_swait_queue_head+0xa5/0x150
[  249.526882][ T5765]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.531865][ T5765]  ? gfs2_recover_set+0x240/0x240
[  249.536992][ T5765]  ? snprintf+0xe5/0x140
[  249.541287][ T5765]  ? __free_pages+0x95/0x1a0
[  249.546170][ T5765]  ? vscnprintf+0x80/0x80
[  249.550504][ T5765]  gfs2_fill_super+0x120f/0x1f00
[  249.555809][ T5765]  ? gfs2_reconfigure+0xd30/0xd30
[  249.561104][ T5765]  ? sb_set_blocksize+0xa5/0xe0
[  249.566139][ T5765]  get_tree_bdev+0x3f1/0x610
[  249.570817][ T5765]  ? gfs2_reconfigure+0xd30/0xd30
[  249.575927][ T5765]  gfs2_get_tree+0x4d/0x1e0
[  249.580424][ T5765]  vfs_get_tree+0x88/0x270
[  249.584841][ T5765]  do_new_mount+0x24a/0xa40
[  249.589654][ T5765]  __se_sys_mount+0x2e3/0x3d0
[  249.595098][ T5765]  ? __x64_sys_mount+0xc0/0xc0
[  249.600059][ T5765]  ? lockdep_hardirqs_on+0x94/0x140
[  249.605348][ T5765]  ? __x64_sys_mount+0x1c/0xc0
[  249.610218][ T5765]  do_syscall_64+0x4c/0xa0
[  249.614716][ T5765]  ? clear_bhb_loop+0x30/0x80
[  249.619478][ T5765]  ? clear_bhb_loop+0x30/0x80
[  249.624467][ T5765]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.630578][ T5765] RIP: 0033:0x7f41eafae60a
[  249.635228][ T5765] 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
[  249.655015][ T5765] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.663430][ T5765] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  249.671563][ T5765] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  249.680018][ T5765] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  249.688359][ T5765] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.696688][ T5765] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  249.705476][ T5765]  </TASK>
[  249.710643][ T5765] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.724348][ T5765] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.047849][ T5767] loop1: detected capacity change from 0 to 32768
[  250.108588][ T5767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.116174][ T5767] CPU: 0 PID: 5767 Comm: syz.1.213 Not tainted syzkaller #0
[  250.123573][ T5767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  250.133641][ T5767] Call Trace:
[  250.136926][ T5767]  <TASK>
[  250.139866][ T5767]  dump_stack_lvl+0x188/0x250
[  250.144691][ T5767]  ? show_regs_print_info+0x20/0x20
[  250.150342][ T5767]  ? load_image+0x400/0x400
[  250.154866][ T5767]  sysfs_create_dir_ns+0x26a/0x290
[  250.160251][ T5767]  ? sysfs_warn_dup+0xa0/0xa0
[  250.164959][ T5767]  ? do_raw_spin_unlock+0x11d/0x230
[  250.170445][ T5767]  kobject_add_internal+0x6e0/0xd90
[  250.175972][ T5767]  kobject_init_and_add+0x128/0x190
[  250.181365][ T5767]  ? lockdep_softirqs_off+0x430/0x430
[  250.186980][ T5767]  ? kobject_add+0x230/0x230
[  250.191590][ T5767]  ? __init_swait_queue_head+0xa5/0x150
[  250.197162][ T5767]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.201952][ T5767]  ? gfs2_recover_set+0x240/0x240
[  250.207205][ T5767]  ? snprintf+0xe5/0x140
[  250.211531][ T5767]  ? __free_pages+0x95/0x1a0
[  250.216193][ T5767]  ? vscnprintf+0x80/0x80
[  250.220536][ T5767]  gfs2_fill_super+0x120f/0x1f00
[  250.225483][ T5767]  ? gfs2_reconfigure+0xd30/0xd30
[  250.230758][ T5767]  ? sb_set_blocksize+0xa5/0xe0
[  250.235595][ T5767]  get_tree_bdev+0x3f1/0x610
[  250.240257][ T5767]  ? gfs2_reconfigure+0xd30/0xd30
[  250.245296][ T5767]  gfs2_get_tree+0x4d/0x1e0
[  250.249875][ T5767]  vfs_get_tree+0x88/0x270
[  250.254306][ T5767]  do_new_mount+0x24a/0xa40
[  250.258800][ T5767]  __se_sys_mount+0x2e3/0x3d0
[  250.263462][ T5767]  ? __x64_sys_mount+0xc0/0xc0
[  250.268223][ T5767]  ? lockdep_hardirqs_on+0x94/0x140
[  250.273423][ T5767]  ? __x64_sys_mount+0x1c/0xc0
[  250.278169][ T5767]  do_syscall_64+0x4c/0xa0
[  250.282567][ T5767]  ? clear_bhb_loop+0x30/0x80
[  250.287221][ T5767]  ? clear_bhb_loop+0x30/0x80
[  250.291964][ T5767]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.297980][ T5767] RIP: 0033:0x7f41eafae60a
[  250.302384][ T5767] 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
[  250.322152][ T5767] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.330818][ T5767] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  250.338863][ T5767] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  250.346816][ T5767] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  250.354776][ T5767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.363006][ T5767] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.371252][ T5767]  </TASK>
[  250.375703][ T5767] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.389455][ T5767] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.725994][ T5769] loop1: detected capacity change from 0 to 32768
[  250.821707][ T5769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.830388][ T5769] CPU: 0 PID: 5769 Comm: syz.1.214 Not tainted syzkaller #0
[  250.838044][ T5769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  250.848243][ T5769] Call Trace:
[  250.851540][ T5769]  <TASK>
[  250.854485][ T5769]  dump_stack_lvl+0x188/0x250
[  250.859181][ T5769]  ? show_regs_print_info+0x20/0x20
[  250.864391][ T5769]  ? load_image+0x400/0x400
[  250.868913][ T5769]  sysfs_create_dir_ns+0x26a/0x290
[  250.874147][ T5769]  ? sysfs_warn_dup+0xa0/0xa0
[  250.878820][ T5769]  ? do_raw_spin_unlock+0x11d/0x230
[  250.884133][ T5769]  kobject_add_internal+0x6e0/0xd90
[  250.889507][ T5769]  kobject_init_and_add+0x128/0x190
[  250.894732][ T5769]  ? lockdep_softirqs_off+0x430/0x430
[  250.900152][ T5769]  ? kobject_add+0x230/0x230
[  250.905018][ T5769]  ? __init_swait_queue_head+0xa5/0x150
[  250.910820][ T5769]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.915572][ T5769]  ? gfs2_recover_set+0x240/0x240
[  250.920578][ T5769]  ? snprintf+0xe5/0x140
[  250.924807][ T5769]  ? __free_pages+0x95/0x1a0
[  250.929470][ T5769]  ? vscnprintf+0x80/0x80
[  250.933800][ T5769]  gfs2_fill_super+0x120f/0x1f00
[  250.938955][ T5769]  ? gfs2_reconfigure+0xd30/0xd30
[  250.944074][ T5769]  ? sb_set_blocksize+0xa5/0xe0
[  250.948916][ T5769]  get_tree_bdev+0x3f1/0x610
[  250.953585][ T5769]  ? gfs2_reconfigure+0xd30/0xd30
[  250.958689][ T5769]  gfs2_get_tree+0x4d/0x1e0
[  250.963192][ T5769]  vfs_get_tree+0x88/0x270
[  250.967594][ T5769]  do_new_mount+0x24a/0xa40
[  250.972232][ T5769]  __se_sys_mount+0x2e3/0x3d0
[  250.976910][ T5769]  ? __x64_sys_mount+0xc0/0xc0
[  250.981666][ T5769]  ? lockdep_hardirqs_on+0x94/0x140
[  250.986885][ T5769]  ? __x64_sys_mount+0x1c/0xc0
[  250.992039][ T5769]  do_syscall_64+0x4c/0xa0
[  250.996472][ T5769]  ? clear_bhb_loop+0x30/0x80
[  251.001235][ T5769]  ? clear_bhb_loop+0x30/0x80
[  251.006125][ T5769]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.012109][ T5769] RIP: 0033:0x7f41eafae60a
[  251.016597][ T5769] 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
[  251.036853][ T5769] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.045447][ T5769] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  251.053613][ T5769] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  251.061587][ T5769] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  251.069894][ T5769] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.077972][ T5769] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  251.086191][ T5769]  </TASK>
[  251.095294][ T5769] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.109124][ T5769] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.420789][ T5771] loop1: detected capacity change from 0 to 32768
[  251.466584][ T5771] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.474395][ T5771] CPU: 0 PID: 5771 Comm: syz.1.215 Not tainted syzkaller #0
[  251.481791][ T5771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  251.492137][ T5771] Call Trace:
[  251.495516][ T5771]  <TASK>
[  251.498552][ T5771]  dump_stack_lvl+0x188/0x250
[  251.503248][ T5771]  ? show_regs_print_info+0x20/0x20
[  251.508545][ T5771]  ? load_image+0x400/0x400
[  251.513160][ T5771]  sysfs_create_dir_ns+0x26a/0x290
[  251.518288][ T5771]  ? sysfs_warn_dup+0xa0/0xa0
[  251.522997][ T5771]  ? do_raw_spin_unlock+0x11d/0x230
[  251.528331][ T5771]  kobject_add_internal+0x6e0/0xd90
[  251.533659][ T5771]  kobject_init_and_add+0x128/0x190
[  251.538885][ T5771]  ? lockdep_softirqs_off+0x430/0x430
[  251.544269][ T5771]  ? kobject_add+0x230/0x230
[  251.548953][ T5771]  ? __init_swait_queue_head+0xa5/0x150
[  251.554570][ T5771]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.559324][ T5771]  ? gfs2_recover_set+0x240/0x240
[  251.564414][ T5771]  ? snprintf+0xe5/0x140
[  251.568636][ T5771]  ? __free_pages+0x95/0x1a0
[  251.573471][ T5771]  ? vscnprintf+0x80/0x80
[  251.577790][ T5771]  gfs2_fill_super+0x120f/0x1f00
[  251.582814][ T5771]  ? gfs2_reconfigure+0xd30/0xd30
[  251.587839][ T5771]  ? sb_set_blocksize+0xa5/0xe0
[  251.592764][ T5771]  get_tree_bdev+0x3f1/0x610
[  251.597422][ T5771]  ? gfs2_reconfigure+0xd30/0xd30
[  251.602617][ T5771]  gfs2_get_tree+0x4d/0x1e0
[  251.607149][ T5771]  vfs_get_tree+0x88/0x270
[  251.611636][ T5771]  do_new_mount+0x24a/0xa40
[  251.616124][ T5771]  __se_sys_mount+0x2e3/0x3d0
[  251.620779][ T5771]  ? __x64_sys_mount+0xc0/0xc0
[  251.625524][ T5771]  ? lockdep_hardirqs_on+0x94/0x140
[  251.630884][ T5771]  ? __x64_sys_mount+0x1c/0xc0
[  251.635630][ T5771]  do_syscall_64+0x4c/0xa0
[  251.640288][ T5771]  ? clear_bhb_loop+0x30/0x80
[  251.645030][ T5771]  ? clear_bhb_loop+0x30/0x80
[  251.649880][ T5771]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.655751][ T5771] RIP: 0033:0x7f41eafae60a
[  251.660160][ T5771] 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
[  251.680114][ T5771] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.688537][ T5771] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  251.696498][ T5771] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  251.704832][ T5771] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  251.713174][ T5771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.721563][ T5771] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  251.729800][ T5771]  </TASK>
[  251.734479][ T5771] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.748590][ T5771] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.060111][ T5773] loop1: detected capacity change from 0 to 32768
[  252.108048][ T5773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.115536][ T5773] CPU: 0 PID: 5773 Comm: syz.1.216 Not tainted syzkaller #0
[  252.122826][ T5773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.133074][ T5773] Call Trace:
[  252.136539][ T5773]  <TASK>
[  252.139477][ T5773]  dump_stack_lvl+0x188/0x250
[  252.144174][ T5773]  ? show_regs_print_info+0x20/0x20
[  252.149397][ T5773]  ? load_image+0x400/0x400
[  252.153932][ T5773]  sysfs_create_dir_ns+0x26a/0x290
[  252.159238][ T5773]  ? sysfs_warn_dup+0xa0/0xa0
[  252.163938][ T5773]  ? do_raw_spin_unlock+0x11d/0x230
[  252.169239][ T5773]  kobject_add_internal+0x6e0/0xd90
[  252.174665][ T5773]  kobject_init_and_add+0x128/0x190
[  252.179981][ T5773]  ? lockdep_softirqs_off+0x430/0x430
[  252.185468][ T5773]  ? kobject_add+0x230/0x230
[  252.190180][ T5773]  ? __init_swait_queue_head+0xa5/0x150
[  252.195922][ T5773]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.200678][ T5773]  ? gfs2_recover_set+0x240/0x240
[  252.205689][ T5773]  ? snprintf+0xe5/0x140
[  252.210095][ T5773]  ? __free_pages+0x95/0x1a0
[  252.214938][ T5773]  ? vscnprintf+0x80/0x80
[  252.219366][ T5773]  gfs2_fill_super+0x120f/0x1f00
[  252.224404][ T5773]  ? gfs2_reconfigure+0xd30/0xd30
[  252.229440][ T5773]  ? sb_set_blocksize+0xa5/0xe0
[  252.234289][ T5773]  get_tree_bdev+0x3f1/0x610
[  252.238949][ T5773]  ? gfs2_reconfigure+0xd30/0xd30
[  252.243954][ T5773]  gfs2_get_tree+0x4d/0x1e0
[  252.248577][ T5773]  vfs_get_tree+0x88/0x270
[  252.252985][ T5773]  do_new_mount+0x24a/0xa40
[  252.257571][ T5773]  __se_sys_mount+0x2e3/0x3d0
[  252.262240][ T5773]  ? __x64_sys_mount+0xc0/0xc0
[  252.267014][ T5773]  ? lockdep_hardirqs_on+0x94/0x140
[  252.272398][ T5773]  ? __x64_sys_mount+0x1c/0xc0
[  252.277243][ T5773]  do_syscall_64+0x4c/0xa0
[  252.281649][ T5773]  ? clear_bhb_loop+0x30/0x80
[  252.286322][ T5773]  ? clear_bhb_loop+0x30/0x80
[  252.291316][ T5773]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.297593][ T5773] RIP: 0033:0x7f41eafae60a
[  252.302394][ T5773] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.322018][ T5773] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.330542][ T5773] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  252.338501][ T5773] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  252.346459][ T5773] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  252.354628][ T5773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.362680][ T5773] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.370736][ T5773]  </TASK>
[  252.377517][ T5773] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.391527][ T5773] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.689854][ T5775] loop1: detected capacity change from 0 to 32768
[  252.737694][ T5775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.745464][ T5775] CPU: 0 PID: 5775 Comm: syz.1.217 Not tainted syzkaller #0
[  252.752942][ T5775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.763185][ T5775] Call Trace:
[  252.766787][ T5775]  <TASK>
[  252.769727][ T5775]  dump_stack_lvl+0x188/0x250
[  252.774508][ T5775]  ? show_regs_print_info+0x20/0x20
[  252.780068][ T5775]  ? load_image+0x400/0x400
[  252.784704][ T5775]  sysfs_create_dir_ns+0x26a/0x290
[  252.790011][ T5775]  ? sysfs_warn_dup+0xa0/0xa0
[  252.794705][ T5775]  ? do_raw_spin_unlock+0x11d/0x230
[  252.799918][ T5775]  kobject_add_internal+0x6e0/0xd90
[  252.805225][ T5775]  kobject_init_and_add+0x128/0x190
[  252.810448][ T5775]  ? lockdep_softirqs_off+0x430/0x430
[  252.816004][ T5775]  ? kobject_add+0x230/0x230
[  252.820769][ T5775]  ? __init_swait_queue_head+0xa5/0x150
[  252.826441][ T5775]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.831398][ T5775]  ? gfs2_recover_set+0x240/0x240
[  252.836406][ T5775]  ? snprintf+0xe5/0x140
[  252.840632][ T5775]  ? __free_pages+0x95/0x1a0
[  252.845311][ T5775]  ? vscnprintf+0x80/0x80
[  252.849720][ T5775]  gfs2_fill_super+0x120f/0x1f00
[  252.854738][ T5775]  ? gfs2_reconfigure+0xd30/0xd30
[  252.859929][ T5775]  ? sb_set_blocksize+0xa5/0xe0
[  252.864764][ T5775]  get_tree_bdev+0x3f1/0x610
[  252.869335][ T5775]  ? gfs2_reconfigure+0xd30/0xd30
[  252.874340][ T5775]  gfs2_get_tree+0x4d/0x1e0
[  252.878909][ T5775]  vfs_get_tree+0x88/0x270
[  252.883308][ T5775]  do_new_mount+0x24a/0xa40
[  252.888044][ T5775]  __se_sys_mount+0x2e3/0x3d0
[  252.893242][ T5775]  ? __x64_sys_mount+0xc0/0xc0
[  252.898268][ T5775]  ? lockdep_hardirqs_on+0x94/0x140
[  252.903542][ T5775]  ? __x64_sys_mount+0x1c/0xc0
[  252.908413][ T5775]  do_syscall_64+0x4c/0xa0
[  252.913343][ T5775]  ? clear_bhb_loop+0x30/0x80
[  252.918436][ T5775]  ? clear_bhb_loop+0x30/0x80
[  252.923213][ T5775]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.929474][ T5775] RIP: 0033:0x7f41eafae60a
[  252.934306][ T5775] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.954764][ T5775] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.963184][ T5775] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  252.971417][ T5775] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  252.979461][ T5775] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  252.987596][ T5775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.995647][ T5775] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  253.003704][ T5775]  </TASK>
[  253.008105][ T5775] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.021736][ T5775] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/17 08:27:10 executed programs: 203
[  253.368346][ T5777] loop1: detected capacity change from 0 to 32768
[  253.419722][ T5777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.427602][ T5777] CPU: 0 PID: 5777 Comm: syz.1.218 Not tainted syzkaller #0
[  253.435006][ T5777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  253.445560][ T5777] Call Trace:
[  253.448849][ T5777]  <TASK>
[  253.451975][ T5777]  dump_stack_lvl+0x188/0x250
[  253.456761][ T5777]  ? show_regs_print_info+0x20/0x20
[  253.462062][ T5777]  ? load_image+0x400/0x400
[  253.466589][ T5777]  sysfs_create_dir_ns+0x26a/0x290
[  253.471824][ T5777]  ? sysfs_warn_dup+0xa0/0xa0
[  253.476696][ T5777]  ? do_raw_spin_unlock+0x11d/0x230
[  253.481920][ T5777]  kobject_add_internal+0x6e0/0xd90
[  253.487148][ T5777]  kobject_init_and_add+0x128/0x190
[  253.492346][ T5777]  ? lockdep_softirqs_off+0x430/0x430
[  253.497969][ T5777]  ? kobject_add+0x230/0x230
[  253.502632][ T5777]  ? __init_swait_queue_head+0xa5/0x150
[  253.508339][ T5777]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.513093][ T5777]  ? gfs2_recover_set+0x240/0x240
[  253.518097][ T5777]  ? snprintf+0xe5/0x140
[  253.522319][ T5777]  ? __free_pages+0x95/0x1a0
[  253.526972][ T5777]  ? vscnprintf+0x80/0x80
[  253.531302][ T5777]  gfs2_fill_super+0x120f/0x1f00
[  253.536232][ T5777]  ? gfs2_reconfigure+0xd30/0xd30
[  253.541354][ T5777]  ? sb_set_blocksize+0xa5/0xe0
[  253.546191][ T5777]  get_tree_bdev+0x3f1/0x610
[  253.550764][ T5777]  ? gfs2_reconfigure+0xd30/0xd30
[  253.555766][ T5777]  gfs2_get_tree+0x4d/0x1e0
[  253.560316][ T5777]  vfs_get_tree+0x88/0x270
[  253.564715][ T5777]  do_new_mount+0x24a/0xa40
[  253.569230][ T5777]  __se_sys_mount+0x2e3/0x3d0
[  253.574005][ T5777]  ? __x64_sys_mount+0xc0/0xc0
[  253.578883][ T5777]  ? lockdep_hardirqs_on+0x94/0x140
[  253.584119][ T5777]  ? __x64_sys_mount+0x1c/0xc0
[  253.588916][ T5777]  do_syscall_64+0x4c/0xa0
[  253.593453][ T5777]  ? clear_bhb_loop+0x30/0x80
[  253.598299][ T5777]  ? clear_bhb_loop+0x30/0x80
[  253.603053][ T5777]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.608995][ T5777] RIP: 0033:0x7f41eafae60a
[  253.613396][ T5777] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.633261][ T5777] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.641766][ T5777] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  253.649812][ T5777] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  253.658229][ T5777] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  253.666451][ T5777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.674508][ T5777] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  253.682484][ T5777]  </TASK>
[  253.687275][ T5777] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.701561][ T5777] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.029449][ T5779] loop1: detected capacity change from 0 to 32768
[  254.099922][ T5779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.117953][ T5779] CPU: 0 PID: 5779 Comm: syz.1.219 Not tainted syzkaller #0
[  254.125465][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.135783][ T5779] Call Trace:
[  254.139175][ T5779]  <TASK>
[  254.142208][ T5779]  dump_stack_lvl+0x188/0x250
[  254.147162][ T5779]  ? show_regs_print_info+0x20/0x20
[  254.152462][ T5779]  ? load_image+0x400/0x400
[  254.157081][ T5779]  sysfs_create_dir_ns+0x26a/0x290
[  254.162317][ T5779]  ? sysfs_warn_dup+0xa0/0xa0
[  254.167104][ T5779]  ? do_raw_spin_unlock+0x11d/0x230
[  254.172404][ T5779]  kobject_add_internal+0x6e0/0xd90
[  254.177969][ T5779]  kobject_init_and_add+0x128/0x190
[  254.183291][ T5779]  ? lockdep_softirqs_off+0x430/0x430
[  254.189037][ T5779]  ? kobject_add+0x230/0x230
[  254.193724][ T5779]  ? __init_swait_queue_head+0xa5/0x150
[  254.199345][ T5779]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.204103][ T5779]  ? gfs2_recover_set+0x240/0x240
[  254.209217][ T5779]  ? snprintf+0xe5/0x140
[  254.213545][ T5779]  ? __free_pages+0x95/0x1a0
[  254.218213][ T5779]  ? vscnprintf+0x80/0x80
[  254.222623][ T5779]  gfs2_fill_super+0x120f/0x1f00
[  254.227559][ T5779]  ? gfs2_reconfigure+0xd30/0xd30
[  254.232673][ T5779]  ? sb_set_blocksize+0xa5/0xe0
[  254.237605][ T5779]  get_tree_bdev+0x3f1/0x610
[  254.242358][ T5779]  ? gfs2_reconfigure+0xd30/0xd30
[  254.247461][ T5779]  gfs2_get_tree+0x4d/0x1e0
[  254.251955][ T5779]  vfs_get_tree+0x88/0x270
[  254.256371][ T5779]  do_new_mount+0x24a/0xa40
[  254.261037][ T5779]  __se_sys_mount+0x2e3/0x3d0
[  254.265708][ T5779]  ? __x64_sys_mount+0xc0/0xc0
[  254.270674][ T5779]  ? lockdep_hardirqs_on+0x94/0x140
[  254.276529][ T5779]  ? __x64_sys_mount+0x1c/0xc0
[  254.281657][ T5779]  do_syscall_64+0x4c/0xa0
[  254.286166][ T5779]  ? clear_bhb_loop+0x30/0x80
[  254.290963][ T5779]  ? clear_bhb_loop+0x30/0x80
[  254.295652][ T5779]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.301619][ T5779] RIP: 0033:0x7f41eafae60a
[  254.306293][ T5779] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.326895][ T5779] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.335740][ T5779] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  254.344026][ T5779] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  254.352196][ T5779] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  254.360268][ T5779] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.368856][ T5779] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.377050][ T5779]  </TASK>
[  254.383141][ T5779] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.396774][ T5779] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.713796][ T5781] loop1: detected capacity change from 0 to 32768
[  254.752709][ T5781] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.765825][ T5781] CPU: 1 PID: 5781 Comm: syz.1.220 Not tainted syzkaller #0
[  254.773243][ T5781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.783792][ T5781] Call Trace:
[  254.787097][ T5781]  <TASK>
[  254.790042][ T5781]  dump_stack_lvl+0x188/0x250
[  254.794871][ T5781]  ? show_regs_print_info+0x20/0x20
[  254.800357][ T5781]  ? load_image+0x400/0x400
[  254.805172][ T5781]  sysfs_create_dir_ns+0x26a/0x290
[  254.810402][ T5781]  ? sysfs_warn_dup+0xa0/0xa0
[  254.815281][ T5781]  ? do_raw_spin_unlock+0x11d/0x230
[  254.820845][ T5781]  kobject_add_internal+0x6e0/0xd90
[  254.826154][ T5781]  kobject_init_and_add+0x128/0x190
[  254.831876][ T5781]  ? lockdep_softirqs_off+0x430/0x430
[  254.837281][ T5781]  ? kobject_add+0x230/0x230
[  254.842083][ T5781]  ? __init_swait_queue_head+0xa5/0x150
[  254.848484][ T5781]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.853302][ T5781]  ? gfs2_recover_set+0x240/0x240
[  254.858696][ T5781]  ? snprintf+0xe5/0x140
[  254.862933][ T5781]  ? __free_pages+0x95/0x1a0
[  254.867507][ T5781]  ? vscnprintf+0x80/0x80
[  254.871997][ T5781]  gfs2_fill_super+0x120f/0x1f00
[  254.877146][ T5781]  ? gfs2_reconfigure+0xd30/0xd30
[  254.882260][ T5781]  ? sb_set_blocksize+0xa5/0xe0
[  254.887104][ T5781]  get_tree_bdev+0x3f1/0x610
[  254.891684][ T5781]  ? gfs2_reconfigure+0xd30/0xd30
[  254.896852][ T5781]  gfs2_get_tree+0x4d/0x1e0
[  254.901424][ T5781]  vfs_get_tree+0x88/0x270
[  254.906041][ T5781]  do_new_mount+0x24a/0xa40
[  254.910538][ T5781]  __se_sys_mount+0x2e3/0x3d0
[  254.915392][ T5781]  ? __x64_sys_mount+0xc0/0xc0
[  254.920159][ T5781]  ? lockdep_hardirqs_on+0x94/0x140
[  254.925450][ T5781]  ? __x64_sys_mount+0x1c/0xc0
[  254.930292][ T5781]  do_syscall_64+0x4c/0xa0
[  254.934799][ T5781]  ? clear_bhb_loop+0x30/0x80
[  254.939645][ T5781]  ? clear_bhb_loop+0x30/0x80
[  254.944309][ T5781]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.950185][ T5781] RIP: 0033:0x7f41eafae60a
[  254.954582][ T5781] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.974274][ T5781] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.982935][ T5781] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  254.991033][ T5781] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  254.999174][ T5781] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  255.007547][ T5781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.015620][ T5781] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  255.024061][ T5781]  </TASK>
[  255.028442][ T5781] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.042047][ T5781] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.368285][ T5783] loop1: detected capacity change from 0 to 32768
[  255.418406][ T5783] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.425907][ T5783] CPU: 0 PID: 5783 Comm: syz.1.221 Not tainted syzkaller #0
[  255.433291][ T5783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  255.443358][ T5783] Call Trace:
[  255.446850][ T5783]  <TASK>
[  255.449882][ T5783]  dump_stack_lvl+0x188/0x250
[  255.454667][ T5783]  ? show_regs_print_info+0x20/0x20
[  255.460126][ T5783]  ? load_image+0x400/0x400
[  255.464766][ T5783]  sysfs_create_dir_ns+0x26a/0x290
[  255.470179][ T5783]  ? sysfs_warn_dup+0xa0/0xa0
[  255.475114][ T5783]  ? do_raw_spin_unlock+0x11d/0x230
[  255.480431][ T5783]  kobject_add_internal+0x6e0/0xd90
[  255.485750][ T5783]  kobject_init_and_add+0x128/0x190
[  255.490963][ T5783]  ? lockdep_softirqs_off+0x430/0x430
[  255.496381][ T5783]  ? kobject_add+0x230/0x230
[  255.501251][ T5783]  ? __init_swait_queue_head+0xa5/0x150
[  255.506827][ T5783]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.511794][ T5783]  ? gfs2_recover_set+0x240/0x240
[  255.517006][ T5783]  ? snprintf+0xe5/0x140
[  255.521267][ T5783]  ? __free_pages+0x95/0x1a0
[  255.525968][ T5783]  ? vscnprintf+0x80/0x80
[  255.530411][ T5783]  gfs2_fill_super+0x120f/0x1f00
[  255.535457][ T5783]  ? gfs2_reconfigure+0xd30/0xd30
[  255.540767][ T5783]  ? sb_set_blocksize+0xa5/0xe0
[  255.545902][ T5783]  get_tree_bdev+0x3f1/0x610
[  255.550600][ T5783]  ? gfs2_reconfigure+0xd30/0xd30
[  255.555671][ T5783]  gfs2_get_tree+0x4d/0x1e0
[  255.560373][ T5783]  vfs_get_tree+0x88/0x270
[  255.564953][ T5783]  do_new_mount+0x24a/0xa40
[  255.569546][ T5783]  __se_sys_mount+0x2e3/0x3d0
[  255.574353][ T5783]  ? __x64_sys_mount+0xc0/0xc0
[  255.579122][ T5783]  ? lockdep_hardirqs_on+0x94/0x140
[  255.584422][ T5783]  ? __x64_sys_mount+0x1c/0xc0
[  255.589272][ T5783]  do_syscall_64+0x4c/0xa0
[  255.593697][ T5783]  ? clear_bhb_loop+0x30/0x80
[  255.598489][ T5783]  ? clear_bhb_loop+0x30/0x80
[  255.603406][ T5783]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.609377][ T5783] RIP: 0033:0x7f41eafae60a
[  255.614074][ T5783] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.634023][ T5783] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.640393][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[  255.642663][ T5783] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  255.649345][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[  255.657305][ T5783] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  255.671780][ T5783] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  255.680247][ T5783] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.688320][ T5783] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  255.696997][ T5783]  </TASK>
[  255.703438][ T5783] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.717217][ T5783] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.012978][ T5785] loop1: detected capacity change from 0 to 32768
[  256.070556][ T5785] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.078235][ T5785] CPU: 0 PID: 5785 Comm: syz.1.222 Not tainted syzkaller #0
[  256.085896][ T5785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.096181][ T5785] Call Trace:
[  256.099660][ T5785]  <TASK>
[  256.102620][ T5785]  dump_stack_lvl+0x188/0x250
[  256.107590][ T5785]  ? show_regs_print_info+0x20/0x20
[  256.112894][ T5785]  ? load_image+0x400/0x400
[  256.117419][ T5785]  sysfs_create_dir_ns+0x26a/0x290
[  256.122551][ T5785]  ? sysfs_warn_dup+0xa0/0xa0
[  256.127423][ T5785]  ? do_raw_spin_unlock+0x11d/0x230
[  256.132633][ T5785]  kobject_add_internal+0x6e0/0xd90
[  256.137932][ T5785]  kobject_init_and_add+0x128/0x190
[  256.143139][ T5785]  ? lockdep_softirqs_off+0x430/0x430
[  256.148523][ T5785]  ? kobject_add+0x230/0x230
[  256.153124][ T5785]  ? __init_swait_queue_head+0xa5/0x150
[  256.158677][ T5785]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.163432][ T5785]  ? gfs2_recover_set+0x240/0x240
[  256.168448][ T5785]  ? snprintf+0xe5/0x140
[  256.172677][ T5785]  ? __free_pages+0x95/0x1a0
[  256.177260][ T5785]  ? vscnprintf+0x80/0x80
[  256.181751][ T5785]  gfs2_fill_super+0x120f/0x1f00
[  256.186765][ T5785]  ? gfs2_reconfigure+0xd30/0xd30
[  256.192045][ T5785]  ? sb_set_blocksize+0xa5/0xe0
[  256.196980][ T5785]  get_tree_bdev+0x3f1/0x610
[  256.201833][ T5785]  ? gfs2_reconfigure+0xd30/0xd30
[  256.206975][ T5785]  gfs2_get_tree+0x4d/0x1e0
[  256.211752][ T5785]  vfs_get_tree+0x88/0x270
[  256.216242][ T5785]  do_new_mount+0x24a/0xa40
[  256.220825][ T5785]  __se_sys_mount+0x2e3/0x3d0
[  256.225529][ T5785]  ? __x64_sys_mount+0xc0/0xc0
[  256.230365][ T5785]  ? lockdep_hardirqs_on+0x94/0x140
[  256.235633][ T5785]  ? __x64_sys_mount+0x1c/0xc0
[  256.240477][ T5785]  do_syscall_64+0x4c/0xa0
[  256.245153][ T5785]  ? clear_bhb_loop+0x30/0x80
[  256.249901][ T5785]  ? clear_bhb_loop+0x30/0x80
[  256.254619][ T5785]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.260675][ T5785] RIP: 0033:0x7f41eafae60a
[  256.265072][ T5785] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.285032][ T5785] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.293706][ T5785] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  256.301937][ T5785] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  256.309990][ T5785] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  256.318207][ T5785] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.326605][ T5785] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.334758][ T5785]  </TASK>
[  256.338902][ T5785] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.352271][ T5785] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.657600][ T5787] loop1: detected capacity change from 0 to 32768
[  256.717183][ T5787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.725192][ T5787] CPU: 1 PID: 5787 Comm: syz.1.223 Not tainted syzkaller #0
[  256.732672][ T5787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.743454][ T5787] Call Trace:
[  256.746882][ T5787]  <TASK>
[  256.749820][ T5787]  dump_stack_lvl+0x188/0x250
[  256.754513][ T5787]  ? show_regs_print_info+0x20/0x20
[  256.759987][ T5787]  ? load_image+0x400/0x400
[  256.764604][ T5787]  sysfs_create_dir_ns+0x26a/0x290
[  256.769739][ T5787]  ? sysfs_warn_dup+0xa0/0xa0
[  256.774452][ T5787]  ? do_raw_spin_unlock+0x11d/0x230
[  256.779925][ T5787]  kobject_add_internal+0x6e0/0xd90
[  256.785234][ T5787]  kobject_init_and_add+0x128/0x190
[  256.790617][ T5787]  ? lockdep_softirqs_off+0x430/0x430
[  256.796093][ T5787]  ? kobject_add+0x230/0x230
[  256.800705][ T5787]  ? __init_swait_queue_head+0xa5/0x150
[  256.806437][ T5787]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.811300][ T5787]  ? gfs2_recover_set+0x240/0x240
[  256.816455][ T5787]  ? snprintf+0xe5/0x140
[  256.820775][ T5787]  ? __free_pages+0x95/0x1a0
[  256.825440][ T5787]  ? vscnprintf+0x80/0x80
[  256.829930][ T5787]  gfs2_fill_super+0x120f/0x1f00
[  256.835059][ T5787]  ? gfs2_reconfigure+0xd30/0xd30
[  256.840166][ T5787]  ? sb_set_blocksize+0xa5/0xe0
[  256.845002][ T5787]  get_tree_bdev+0x3f1/0x610
[  256.849712][ T5787]  ? gfs2_reconfigure+0xd30/0xd30
[  256.854718][ T5787]  gfs2_get_tree+0x4d/0x1e0
[  256.859204][ T5787]  vfs_get_tree+0x88/0x270
[  256.863832][ T5787]  do_new_mount+0x24a/0xa40
[  256.868427][ T5787]  __se_sys_mount+0x2e3/0x3d0
[  256.873099][ T5787]  ? __x64_sys_mount+0xc0/0xc0
[  256.877897][ T5787]  ? lockdep_hardirqs_on+0x94/0x140
[  256.883221][ T5787]  ? __x64_sys_mount+0x1c/0xc0
[  256.888071][ T5787]  do_syscall_64+0x4c/0xa0
[  256.892532][ T5787]  ? clear_bhb_loop+0x30/0x80
[  256.897189][ T5787]  ? clear_bhb_loop+0x30/0x80
[  256.901854][ T5787]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.908030][ T5787] RIP: 0033:0x7f41eafae60a
[  256.912616][ T5787] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.932494][ T5787] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.940899][ T5787] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  256.949033][ T5787] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  256.957408][ T5787] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  256.965588][ T5787] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.973590][ T5787] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.981559][ T5787]  </TASK>
[  256.986376][ T5787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.999799][ T5787] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.314263][ T5789] loop1: detected capacity change from 0 to 32768
[  257.360540][ T5789] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.377892][ T5789] CPU: 1 PID: 5789 Comm: syz.1.224 Not tainted syzkaller #0
[  257.385750][ T5789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  257.396050][ T5789] Call Trace:
[  257.399350][ T5789]  <TASK>
[  257.402300][ T5789]  dump_stack_lvl+0x188/0x250
[  257.407085][ T5789]  ? show_regs_print_info+0x20/0x20
[  257.412381][ T5789]  ? load_image+0x400/0x400
[  257.416913][ T5789]  sysfs_create_dir_ns+0x26a/0x290
[  257.422196][ T5789]  ? sysfs_warn_dup+0xa0/0xa0
[  257.427080][ T5789]  ? do_raw_spin_unlock+0x11d/0x230
[  257.432561][ T5789]  kobject_add_internal+0x6e0/0xd90
[  257.437777][ T5789]  kobject_init_and_add+0x128/0x190
[  257.443252][ T5789]  ? lockdep_softirqs_off+0x430/0x430
[  257.448644][ T5789]  ? kobject_add+0x230/0x230
[  257.453346][ T5789]  ? __init_swait_queue_head+0xa5/0x150
[  257.458994][ T5789]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.464086][ T5789]  ? gfs2_recover_set+0x240/0x240
[  257.469251][ T5789]  ? snprintf+0xe5/0x140
[  257.473709][ T5789]  ? __free_pages+0x95/0x1a0
[  257.478719][ T5789]  ? vscnprintf+0x80/0x80
[  257.483350][ T5789]  gfs2_fill_super+0x120f/0x1f00
[  257.488683][ T5789]  ? gfs2_reconfigure+0xd30/0xd30
[  257.493985][ T5789]  ? sb_set_blocksize+0xa5/0xe0
[  257.498916][ T5789]  get_tree_bdev+0x3f1/0x610
[  257.503584][ T5789]  ? gfs2_reconfigure+0xd30/0xd30
[  257.508694][ T5789]  gfs2_get_tree+0x4d/0x1e0
[  257.513427][ T5789]  vfs_get_tree+0x88/0x270
[  257.517942][ T5789]  do_new_mount+0x24a/0xa40
[  257.522478][ T5789]  __se_sys_mount+0x2e3/0x3d0
[  257.527325][ T5789]  ? __x64_sys_mount+0xc0/0xc0
[  257.532163][ T5789]  ? lockdep_hardirqs_on+0x94/0x140
[  257.537833][ T5789]  ? __x64_sys_mount+0x1c/0xc0
[  257.542608][ T5789]  do_syscall_64+0x4c/0xa0
[  257.547186][ T5789]  ? clear_bhb_loop+0x30/0x80
[  257.552388][ T5789]  ? clear_bhb_loop+0x30/0x80
[  257.557234][ T5789]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.563119][ T5789] RIP: 0033:0x7f41eafae60a
[  257.567587][ T5789] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.587656][ T5789] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.596234][ T5789] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  257.604205][ T5789] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  257.612683][ T5789] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  257.620644][ T5789] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.628695][ T5789] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  257.636686][ T5789]  </TASK>
[  257.641868][ T5789] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.655148][ T5789] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.981874][ T5791] loop1: detected capacity change from 0 to 32768
[  258.053370][ T5791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.066225][ T5791] CPU: 1 PID: 5791 Comm: syz.1.225 Not tainted syzkaller #0
[  258.073551][ T5791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.083844][ T5791] Call Trace:
[  258.087253][ T5791]  <TASK>
[  258.090284][ T5791]  dump_stack_lvl+0x188/0x250
[  258.095244][ T5791]  ? show_regs_print_info+0x20/0x20
[  258.100577][ T5791]  ? load_image+0x400/0x400
[  258.105277][ T5791]  sysfs_create_dir_ns+0x26a/0x290
[  258.110757][ T5791]  ? sysfs_warn_dup+0xa0/0xa0
[  258.115454][ T5791]  ? do_raw_spin_unlock+0x11d/0x230
[  258.120846][ T5791]  kobject_add_internal+0x6e0/0xd90
[  258.126067][ T5791]  kobject_init_and_add+0x128/0x190
[  258.131279][ T5791]  ? lockdep_softirqs_off+0x430/0x430
[  258.136685][ T5791]  ? kobject_add+0x230/0x230
[  258.141299][ T5791]  ? __init_swait_queue_head+0xa5/0x150
[  258.147123][ T5791]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.151986][ T5791]  ? gfs2_recover_set+0x240/0x240
[  258.157116][ T5791]  ? snprintf+0xe5/0x140
[  258.161520][ T5791]  ? __free_pages+0x95/0x1a0
[  258.166119][ T5791]  ? vscnprintf+0x80/0x80
[  258.170456][ T5791]  gfs2_fill_super+0x120f/0x1f00
[  258.175396][ T5791]  ? gfs2_reconfigure+0xd30/0xd30
[  258.180860][ T5791]  ? sb_set_blocksize+0xa5/0xe0
[  258.185954][ T5791]  get_tree_bdev+0x3f1/0x610
[  258.190553][ T5791]  ? gfs2_reconfigure+0xd30/0xd30
[  258.195577][ T5791]  gfs2_get_tree+0x4d/0x1e0
[  258.200243][ T5791]  vfs_get_tree+0x88/0x270
[  258.204735][ T5791]  do_new_mount+0x24a/0xa40
[  258.209415][ T5791]  __se_sys_mount+0x2e3/0x3d0
[  258.214249][ T5791]  ? __x64_sys_mount+0xc0/0xc0
[  258.219457][ T5791]  ? lockdep_hardirqs_on+0x94/0x140
[  258.225055][ T5791]  ? __x64_sys_mount+0x1c/0xc0
[  258.230109][ T5791]  do_syscall_64+0x4c/0xa0
[  258.234537][ T5791]  ? clear_bhb_loop+0x30/0x80
[  258.239213][ T5791]  ? clear_bhb_loop+0x30/0x80
[  258.244115][ T5791]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.250477][ T5791] RIP: 0033:0x7f41eafae60a
[  258.255058][ T5791] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.274915][ T5791] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.283553][ T5791] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  258.291901][ T5791] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  258.299952][ T5791] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  258.308013][ T5791] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.316060][ T5791] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  258.324114][ T5791]  </TASK>
[  258.328491][ T5791] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.341895][ T5791] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/17 08:27:16 executed programs: 211
[  258.648622][ T5793] loop1: detected capacity change from 0 to 32768
[  258.697948][ T5793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.705552][ T5793] CPU: 0 PID: 5793 Comm: syz.1.226 Not tainted syzkaller #0
[  258.712846][ T5793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.723181][ T5793] Call Trace:
[  258.726474][ T5793]  <TASK>
[  258.729504][ T5793]  dump_stack_lvl+0x188/0x250
[  258.734286][ T5793]  ? show_regs_print_info+0x20/0x20
[  258.739688][ T5793]  ? load_image+0x400/0x400
[  258.744387][ T5793]  sysfs_create_dir_ns+0x26a/0x290
[  258.749553][ T5793]  ? sysfs_warn_dup+0xa0/0xa0
[  258.754247][ T5793]  ? do_raw_spin_unlock+0x11d/0x230
[  258.759461][ T5793]  kobject_add_internal+0x6e0/0xd90
[  258.764767][ T5793]  kobject_init_and_add+0x128/0x190
[  258.770061][ T5793]  ? lockdep_softirqs_off+0x430/0x430
[  258.775545][ T5793]  ? kobject_add+0x230/0x230
[  258.780159][ T5793]  ? __init_swait_queue_head+0xa5/0x150
[  258.785802][ T5793]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.790924][ T5793]  ? gfs2_recover_set+0x240/0x240
[  258.796031][ T5793]  ? snprintf+0xe5/0x140
[  258.800256][ T5793]  ? __free_pages+0x95/0x1a0
[  258.804851][ T5793]  ? vscnprintf+0x80/0x80
[  258.809462][ T5793]  gfs2_fill_super+0x120f/0x1f00
[  258.814489][ T5793]  ? gfs2_reconfigure+0xd30/0xd30
[  258.819795][ T5793]  ? sb_set_blocksize+0xa5/0xe0
[  258.824634][ T5793]  get_tree_bdev+0x3f1/0x610
[  258.829510][ T5793]  ? gfs2_reconfigure+0xd30/0xd30
[  258.834888][ T5793]  gfs2_get_tree+0x4d/0x1e0
[  258.839564][ T5793]  vfs_get_tree+0x88/0x270
[  258.844231][ T5793]  do_new_mount+0x24a/0xa40
[  258.848721][ T5793]  __se_sys_mount+0x2e3/0x3d0
[  258.853391][ T5793]  ? __x64_sys_mount+0xc0/0xc0
[  258.858326][ T5793]  ? lockdep_hardirqs_on+0x94/0x140
[  258.863617][ T5793]  ? __x64_sys_mount+0x1c/0xc0
[  258.868431][ T5793]  do_syscall_64+0x4c/0xa0
[  258.873351][ T5793]  ? clear_bhb_loop+0x30/0x80
[  258.878357][ T5793]  ? clear_bhb_loop+0x30/0x80
[  258.883103][ T5793]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.888996][ T5793] RIP: 0033:0x7f41eafae60a
[  258.893475][ T5793] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.913455][ T5793] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.922220][ T5793] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  258.930358][ T5793] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  258.938589][ T5793] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  258.946732][ T5793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.954692][ T5793] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  258.963391][ T5793]  </TASK>
[  258.970623][ T5793] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.984877][ T5793] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.287162][ T5795] loop1: detected capacity change from 0 to 32768
[  259.326752][ T5795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.334289][ T5795] CPU: 1 PID: 5795 Comm: syz.1.227 Not tainted syzkaller #0
[  259.341585][ T5795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  259.351745][ T5795] Call Trace:
[  259.355124][ T5795]  <TASK>
[  259.358069][ T5795]  dump_stack_lvl+0x188/0x250
[  259.362853][ T5795]  ? show_regs_print_info+0x20/0x20
[  259.368065][ T5795]  ? load_image+0x400/0x400
[  259.372610][ T5795]  sysfs_create_dir_ns+0x26a/0x290
[  259.377744][ T5795]  ? sysfs_warn_dup+0xa0/0xa0
[  259.382437][ T5795]  ? do_raw_spin_unlock+0x11d/0x230
[  259.387652][ T5795]  kobject_add_internal+0x6e0/0xd90
[  259.392870][ T5795]  kobject_init_and_add+0x128/0x190
[  259.398080][ T5795]  ? lockdep_softirqs_off+0x430/0x430
[  259.403475][ T5795]  ? kobject_add+0x230/0x230
[  259.408083][ T5795]  ? __init_swait_queue_head+0xa5/0x150
[  259.413816][ T5795]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.418593][ T5795]  ? gfs2_recover_set+0x240/0x240
[  259.423641][ T5795]  ? snprintf+0xe5/0x140
[  259.428159][ T5795]  ? __free_pages+0x95/0x1a0
[  259.432841][ T5795]  ? vscnprintf+0x80/0x80
[  259.437334][ T5795]  gfs2_fill_super+0x120f/0x1f00
[  259.442261][ T5795]  ? gfs2_reconfigure+0xd30/0xd30
[  259.447295][ T5795]  ? sb_set_blocksize+0xa5/0xe0
[  259.452308][ T5795]  get_tree_bdev+0x3f1/0x610
[  259.456975][ T5795]  ? gfs2_reconfigure+0xd30/0xd30
[  259.462160][ T5795]  gfs2_get_tree+0x4d/0x1e0
[  259.466746][ T5795]  vfs_get_tree+0x88/0x270
[  259.471425][ T5795]  do_new_mount+0x24a/0xa40
[  259.476095][ T5795]  __se_sys_mount+0x2e3/0x3d0
[  259.478284][   T27] INFO: task syz.0.17:5282 blocked for more than 143 seconds.
[  259.480849][ T5795]  ? __x64_sys_mount+0xc0/0xc0
[  259.490972][   T27]       Not tainted syzkaller #0
[  259.493551][ T5795]  ? lockdep_hardirqs_on+0x94/0x140
[  259.499293][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  259.503909][ T5795]  ? __x64_sys_mount+0x1c/0xc0
[  259.514670][   T27] task:syz.0.17        state:D
[  259.517300][ T5795]  do_syscall_64+0x4c/0xa0
[  259.517307][   T27]  stack:24304 pid: 5282 ppid:  5171 flags:0x00004004
[  259.517326][   T27] Call Trace:
[  259.522060][ T5795]  ? clear_bhb_loop+0x30/0x80
[  259.522079][ T5795]  ? clear_bhb_loop+0x30/0x80
[  259.522098][ T5795]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.522115][ T5795] RIP: 0033:0x7f41eafae60a
[  259.522133][ T5795] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.527169][   T27]  <TASK>
[  259.533377][ T5795] RSP: 002b:00007f41ea610e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.533400][ T5795] RAX: ffffffffffffffda RBX: 00007f41ea610ee0 RCX: 00007f41eafae60a
[  259.533413][ T5795] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f41ea610ea0
[  259.533424][ T5795] RBP: 0000200000000400 R08: 00007f41ea610ee0 R09: 0000000000000000
[  259.533436][ T5795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.533448][ T5795] R13: 00007f41ea610ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.533473][ T5795]  </TASK>
[  259.537685][ T5795] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.543809][   T27]  __schedule+0x11ef/0x43c0
[  259.546219][ T5795] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.552321][   T27]  ? mark_lock+0x94/0x320
[  259.661709][   T27]  ? lock_chain_count+0x20/0x20
[  259.666661][   T27]  ? release_firmware_map_entry+0x190/0x190
[  259.672980][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x120
[  259.679165][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  259.684500][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  259.690488][   T27]  schedule+0x11b/0x1e0
[  259.694648][   T27]  bit_wait+0xd/0xc0
[  259.698693][   T27]  out_of_line_wait_on_bit+0x173/0x230
[  259.704386][   T27]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  259.710563][   T27]  ? __wait_on_bit+0x170/0x170
[  259.715340][   T27]  ? bit_waitqueue+0x30/0x30
[  259.720083][   T27]  gfs2_glock_wait+0xd9/0x1c0
[  259.725172][   T27]  gfs2_statfs_init+0x11f/0x4d0
[  259.730248][   T27]  ? gfs2_glock_wait+0x136/0x1c0
[  259.735194][   T27]  ? gfs2_statfs_change_out+0xe0/0xe0
[  259.740909][   T27]  ? init_per_node+0x2cb/0x3e0
[  259.746193][   T27]  ? gfs2_statfs_init+0x117/0x4d0
[  259.751675][   T27]  ? init_inodes+0x26a/0x320
[  259.756396][   T27]  gfs2_fill_super+0x16fc/0x1f00
[  259.761398][   T27]  ? gfs2_reconfigure+0xd30/0xd30
[  259.766426][   T27]  ? gfs2_glock_nq_num+0x82/0x1b0
[  259.771725][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  259.776893][   T27]  get_tree_bdev+0x3f1/0x610
[  259.781649][   T27]  ? gfs2_reconfigure+0xd30/0xd30
[  259.786825][   T27]  gfs2_get_tree+0x4d/0x1e0
[  259.791501][   T27]  vfs_get_tree+0x88/0x270
[  259.795923][   T27]  do_new_mount+0x24a/0xa40
[  259.800560][   T27]  __se_sys_mount+0x2e3/0x3d0
[  259.805336][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  259.810224][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  259.815610][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  259.820454][   T27]  do_syscall_64+0x4c/0xa0
[  259.824965][   T27]  ? clear_bhb_loop+0x30/0x80
[  259.829749][   T27]  ? clear_bhb_loop+0x30/0x80
[  259.834431][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.840377][   T27] RIP: 0033:0x7f559055160a
[  259.844878][   T27] RSP: 002b:00007f558fbb3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.853407][   T27] RAX: ffffffffffffffda RBX: 00007f558fbb3ee0 RCX: 00007f559055160a
[  259.861921][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f558fbb3ea0
[  259.870114][   T27] RBP: 0000200000000400 R08: 00007f558fbb3ee0 R09: 0000000000000000
[  259.878802][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.886887][   T27] R13: 00007f558fbb3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.894993][   T27]  </TASK>
[  259.898088][   T27] 
[  259.898088][   T27] Showing all locks held in the system:
[  259.905976][   T27] 1 lock held by khungtaskd/27:
[  259.911313][   T27]  #0: ffffffff8c31c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  259.920691][   T27] 2 locks held by getty/3949:
[  259.925366][   T27]  #0: ffff88802c49e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  259.935360][   T27]  #1: ffffc90002d032e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  259.945634][   T27] 1 lock held by syz.0.17/5282:
[  259.950604][   T27]  #0: ffff8880209d60e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[  259.961110][   T27] 2 locks held by syz.1.227/5795:
[  259.966252][   T27]  #0: ffff888020512118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  259.975980][   T27]  #1: ffff888147582468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  259.985408][   T27] 
[  259.988423][   T27] =============================================
[  259.988423][   T27] 
[  259.996875][   T27] NMI backtrace for cpu 0
[  260.001236][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  260.008587][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.018798][   T27] Call Trace:
[  260.022151][   T27]  <TASK>
[  260.025066][   T27]  dump_stack_lvl+0x188/0x250
[  260.029737][   T27]  ? show_regs_print_info+0x20/0x20
[  260.035102][   T27]  ? load_image+0x400/0x400
[  260.039680][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  260.044966][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  260.049906][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  260.056351][   T27]  ? _printk+0xda/0x130
[  260.060493][   T27]  ? load_image+0x400/0x400
[  260.065066][   T27]  ? load_image+0x400/0x400
[  260.069664][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  260.075820][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  260.081886][   T27]  watchdog+0xe0f/0xe50
[  260.086215][   T27]  kthread+0x436/0x520
[  260.090357][   T27]  ? hungtask_pm_notify+0x40/0x40
[  260.095367][   T27]  ? kthread_blkcg+0xd0/0xd0
[  260.100286][   T27]  ret_from_fork+0x1f/0x30
[  260.104850][   T27]  </TASK>
[  260.108340][   T27] Sending NMI from CPU 0 to CPUs 1:
[  260.113586][    C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
[  260.114979][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  260.129980][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  260.137279][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.147419][   T27] Call Trace:
[  260.150691][   T27]  <TASK>
[  260.153608][   T27]  dump_stack_lvl+0x188/0x250
[  260.158296][   T27]  ? show_regs_print_info+0x20/0x20
[  260.163697][   T27]  ? load_image+0x400/0x400
[  260.168296][   T27]  panic+0x2e5/0x810
[  260.172371][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  260.178026][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  260.182719][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  260.189058][   T27]  watchdog+0xe4e/0xe50
[  260.193305][   T27]  kthread+0x436/0x520
[  260.197455][   T27]  ? hungtask_pm_notify+0x40/0x40
[  260.202496][   T27]  ? kthread_blkcg+0xd0/0xd0
[  260.207152][   T27]  ret_from_fork+0x1f/0x30
[  260.211649][   T27]  </TASK>
[  260.215686][   T27] Kernel Offset: disabled
[  260.220098][   T27] Rebooting in 86400 seconds..