696 Comm: syz.1.176 Not tainted syzkaller #0
[  264.908499][ T4696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  264.918672][ T4696] Call Trace:
[  264.921976][ T4696]  <TASK>
[  264.925033][ T4696]  dump_stack_lvl+0x168/0x230
[  264.929767][ T4696]  ? show_regs_print_info+0x20/0x20
[  264.935008][ T4696]  ? load_image+0x3b0/0x3b0
[  264.939569][ T4696]  sysfs_create_dir_ns+0x252/0x280
[  264.944827][ T4696]  ? __lock_acquire+0x7c60/0x7c60
[  264.949891][ T4696]  ? sysfs_warn_dup+0xa0/0xa0
[  264.954718][ T4696]  ? do_raw_spin_unlock+0x11d/0x230
[  264.960073][ T4696]  kobject_add_internal+0x662/0xd00
[  264.965315][ T4696]  kobject_init_and_add+0x122/0x190
[  264.970799][ T4696]  ? lockdep_softirqs_off+0x420/0x420
[  264.976388][ T4696]  ? kobject_add+0x210/0x210
[  264.980969][ T4696]  ? __init_swait_queue_head+0xa5/0x150
[  264.986594][ T4696]  gfs2_sys_fs_add+0x234/0x480
[  264.991343][ T4696]  ? gfs2_recover_set+0x240/0x240
[  264.996433][ T4696]  ? snprintf+0xd7/0x120
[  265.000750][ T4696]  ? __free_pages+0x95/0x1a0
[  265.005321][ T4696]  ? vscnprintf+0x80/0x80
[  265.009657][ T4696]  gfs2_fill_super+0x128d/0x1f50
[  265.014800][ T4696]  ? gfs2_reconfigure+0xcd0/0xcd0
[  265.019874][ T4696]  ? preempt_count_add+0x8d/0x190
[  265.024993][ T4696]  ? sb_set_blocksize+0xa5/0xe0
[  265.029825][ T4696]  get_tree_bdev+0x3f1/0x610
[  265.034496][ T4696]  ? gfs2_reconfigure+0xcd0/0xcd0
[  265.039674][ T4696]  gfs2_get_tree+0x4d/0x1e0
[  265.044345][ T4696]  vfs_get_tree+0x88/0x270
[  265.048833][ T4696]  do_new_mount+0x24a/0xa40
[  265.053402][ T4696]  __se_sys_mount+0x2d6/0x3c0
[  265.058059][ T4696]  ? __x64_sys_mount+0xc0/0xc0
[  265.062902][ T4696]  ? lockdep_hardirqs_on+0x94/0x140
[  265.068087][ T4696]  ? __x64_sys_mount+0x1c/0xc0
[  265.072922][ T4696]  do_syscall_64+0x4c/0xa0
[  265.077315][ T4696]  ? clear_bhb_loop+0x30/0x80
[  265.082103][ T4696]  ? clear_bhb_loop+0x30/0x80
[  265.086756][ T4696]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.092627][ T4696] RIP: 0033:0x7f881341deea
[  265.097049][ T4696] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  265.116725][ T4696] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.125124][ T4696] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  265.133089][ T4696] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  265.141386][ T4696] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  265.149497][ T4696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  265.157467][ T4696] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  265.165441][ T4696]  </TASK>
[  265.170238][ T4696] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.183827][ T4696] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 11:57:40 executed programs: 162
[  265.494359][ T4697] loop1: detected capacity change from 0 to 32768
[  265.555122][ T4697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.563026][ T4697] CPU: 1 PID: 4697 Comm: syz.1.177 Not tainted syzkaller #0
[  265.570360][ T4697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  265.580751][ T4697] Call Trace:
[  265.584068][ T4697]  <TASK>
[  265.587027][ T4697]  dump_stack_lvl+0x168/0x230
[  265.592175][ T4697]  ? show_regs_print_info+0x20/0x20
[  265.597487][ T4697]  ? load_image+0x3b0/0x3b0
[  265.602030][ T4697]  sysfs_create_dir_ns+0x252/0x280
[  265.607192][ T4697]  ? __lock_acquire+0x7c60/0x7c60
[  265.612419][ T4697]  ? sysfs_warn_dup+0xa0/0xa0
[  265.617138][ T4697]  ? do_raw_spin_unlock+0x11d/0x230
[  265.622366][ T4697]  kobject_add_internal+0x662/0xd00
[  265.627698][ T4697]  kobject_init_and_add+0x122/0x190
[  265.632935][ T4697]  ? lockdep_softirqs_off+0x420/0x420
[  265.638348][ T4697]  ? kobject_add+0x210/0x210
[  265.643169][ T4697]  ? __init_swait_queue_head+0xa5/0x150
[  265.648734][ T4697]  gfs2_sys_fs_add+0x234/0x480
[  265.653608][ T4697]  ? gfs2_recover_set+0x240/0x240
[  265.658787][ T4697]  ? snprintf+0xd7/0x120
[  265.663030][ T4697]  ? __free_pages+0x95/0x1a0
[  265.667808][ T4697]  ? vscnprintf+0x80/0x80
[  265.672328][ T4697]  gfs2_fill_super+0x128d/0x1f50
[  265.677294][ T4697]  ? gfs2_reconfigure+0xcd0/0xcd0
[  265.682527][ T4697]  ? preempt_count_add+0x8d/0x190
[  265.687544][ T4697]  ? sb_set_blocksize+0xa5/0xe0
[  265.692388][ T4697]  get_tree_bdev+0x3f1/0x610
[  265.696983][ T4697]  ? gfs2_reconfigure+0xcd0/0xcd0
[  265.701996][ T4697]  gfs2_get_tree+0x4d/0x1e0
[  265.706481][ T4697]  vfs_get_tree+0x88/0x270
[  265.710877][ T4697]  do_new_mount+0x24a/0xa40
[  265.715366][ T4697]  __se_sys_mount+0x2d6/0x3c0
[  265.720124][ T4697]  ? __x64_sys_mount+0xc0/0xc0
[  265.724869][ T4697]  ? lockdep_hardirqs_on+0x94/0x140
[  265.730047][ T4697]  ? __x64_sys_mount+0x1c/0xc0
[  265.734893][ T4697]  do_syscall_64+0x4c/0xa0
[  265.739291][ T4697]  ? clear_bhb_loop+0x30/0x80
[  265.743949][ T4697]  ? clear_bhb_loop+0x30/0x80
[  265.748724][ T4697]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.754594][ T4697] RIP: 0033:0x7f881341deea
[  265.758995][ T4697] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  265.778703][ T4697] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.787200][ T4697] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  265.795170][ T4697] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  265.803229][ T4697] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  265.811313][ T4697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  265.819390][ T4697] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  265.827361][ T4697]  </TASK>
[  265.834599][ T4697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.848150][ T4697] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.180007][ T4698] loop1: detected capacity change from 0 to 32768
[  266.241789][ T4698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.249446][ T4698] CPU: 0 PID: 4698 Comm: syz.1.178 Not tainted syzkaller #0
[  266.256859][ T4698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  266.267036][ T4698] Call Trace:
[  266.270344][ T4698]  <TASK>
[  266.273305][ T4698]  dump_stack_lvl+0x168/0x230
[  266.278016][ T4698]  ? show_regs_print_info+0x20/0x20
[  266.283247][ T4698]  ? load_image+0x3b0/0x3b0
[  266.287907][ T4698]  sysfs_create_dir_ns+0x252/0x280
[  266.293068][ T4698]  ? __lock_acquire+0x7c60/0x7c60
[  266.298128][ T4698]  ? sysfs_warn_dup+0xa0/0xa0
[  266.302879][ T4698]  ? do_raw_spin_unlock+0x11d/0x230
[  266.308117][ T4698]  kobject_add_internal+0x662/0xd00
[  266.313405][ T4698]  kobject_init_and_add+0x122/0x190
[  266.318827][ T4698]  ? lockdep_softirqs_off+0x420/0x420
[  266.324244][ T4698]  ? kobject_add+0x210/0x210
[  266.328958][ T4698]  ? __init_swait_queue_head+0xa5/0x150
[  266.334744][ T4698]  gfs2_sys_fs_add+0x234/0x480
[  266.339510][ T4698]  ? gfs2_recover_set+0x240/0x240
[  266.344518][ T4698]  ? snprintf+0xd7/0x120
[  266.348739][ T4698]  ? __free_pages+0x95/0x1a0
[  266.353319][ T4698]  ? vscnprintf+0x80/0x80
[  266.357632][ T4698]  gfs2_fill_super+0x128d/0x1f50
[  266.362558][ T4698]  ? gfs2_reconfigure+0xcd0/0xcd0
[  266.367566][ T4698]  ? preempt_count_add+0x8d/0x190
[  266.372589][ T4698]  ? sb_set_blocksize+0xa5/0xe0
[  266.377522][ T4698]  get_tree_bdev+0x3f1/0x610
[  266.382100][ T4698]  ? gfs2_reconfigure+0xcd0/0xcd0
[  266.387191][ T4698]  gfs2_get_tree+0x4d/0x1e0
[  266.391770][ T4698]  vfs_get_tree+0x88/0x270
[  266.396274][ T4698]  do_new_mount+0x24a/0xa40
[  266.400760][ T4698]  __se_sys_mount+0x2d6/0x3c0
[  266.405419][ T4698]  ? __x64_sys_mount+0xc0/0xc0
[  266.410187][ T4698]  ? lockdep_hardirqs_on+0x94/0x140
[  266.415404][ T4698]  ? __x64_sys_mount+0x1c/0xc0
[  266.420153][ T4698]  do_syscall_64+0x4c/0xa0
[  266.424562][ T4698]  ? clear_bhb_loop+0x30/0x80
[  266.429225][ T4698]  ? clear_bhb_loop+0x30/0x80
[  266.433909][ T4698]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.439955][ T4698] RIP: 0033:0x7f881341deea
[  266.444352][ T4698] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.464635][ T4698] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.473125][ T4698] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  266.481203][ T4698] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  266.489524][ T4698] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  266.497891][ T4698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  266.506019][ T4698] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  266.514026][ T4698]  </TASK>
[  266.518509][ T4698] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.532012][ T4698] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.855226][ T4699] loop1: detected capacity change from 0 to 32768
[  266.870433][ T4699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.877979][ T4699] CPU: 0 PID: 4699 Comm: syz.1.179 Not tainted syzkaller #0
[  266.885646][ T4699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  266.895731][ T4699] Call Trace:
[  266.899176][ T4699]  <TASK>
[  266.902136][ T4699]  dump_stack_lvl+0x168/0x230
[  266.906862][ T4699]  ? show_regs_print_info+0x20/0x20
[  266.912085][ T4699]  ? load_image+0x3b0/0x3b0
[  266.916578][ T4699]  sysfs_create_dir_ns+0x252/0x280
[  266.921864][ T4699]  ? __lock_acquire+0x7c60/0x7c60
[  266.927250][ T4699]  ? sysfs_warn_dup+0xa0/0xa0
[  266.932062][ T4699]  ? do_raw_spin_unlock+0x11d/0x230
[  266.937478][ T4699]  kobject_add_internal+0x662/0xd00
[  266.942678][ T4699]  kobject_init_and_add+0x122/0x190
[  266.947862][ T4699]  ? lockdep_softirqs_off+0x420/0x420
[  266.953310][ T4699]  ? kobject_add+0x210/0x210
[  266.958059][ T4699]  ? __init_swait_queue_head+0xa5/0x150
[  266.963597][ T4699]  gfs2_sys_fs_add+0x234/0x480
[  266.968502][ T4699]  ? gfs2_recover_set+0x240/0x240
[  266.973549][ T4699]  ? snprintf+0xd7/0x120
[  266.977831][ T4699]  ? __free_pages+0x95/0x1a0
[  266.982590][ T4699]  ? vscnprintf+0x80/0x80
[  266.986903][ T4699]  gfs2_fill_super+0x128d/0x1f50
[  266.991830][ T4699]  ? gfs2_reconfigure+0xcd0/0xcd0
[  266.996963][ T4699]  ? preempt_count_add+0x8d/0x190
[  267.001975][ T4699]  ? sb_set_blocksize+0xa5/0xe0
[  267.006811][ T4699]  get_tree_bdev+0x3f1/0x610
[  267.011382][ T4699]  ? gfs2_reconfigure+0xcd0/0xcd0
[  267.016385][ T4699]  gfs2_get_tree+0x4d/0x1e0
[  267.020868][ T4699]  vfs_get_tree+0x88/0x270
[  267.025267][ T4699]  do_new_mount+0x24a/0xa40
[  267.029764][ T4699]  __se_sys_mount+0x2d6/0x3c0
[  267.034531][ T4699]  ? __x64_sys_mount+0xc0/0xc0
[  267.039302][ T4699]  ? lockdep_hardirqs_on+0x94/0x140
[  267.044479][ T4699]  ? __x64_sys_mount+0x1c/0xc0
[  267.049408][ T4699]  do_syscall_64+0x4c/0xa0
[  267.053801][ T4699]  ? clear_bhb_loop+0x30/0x80
[  267.058455][ T4699]  ? clear_bhb_loop+0x30/0x80
[  267.063199][ T4699]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.069070][ T4699] RIP: 0033:0x7f881341deea
[  267.073469][ T4699] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  267.093142][ T4699] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.101537][ T4699] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  267.109587][ T4699] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  267.117572][ T4699] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  267.125723][ T4699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  267.133680][ T4699] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  267.141736][ T4699]  </TASK>
[  267.152825][ T4699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.166314][ T4699] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.485402][ T4700] loop1: detected capacity change from 0 to 32768
[  267.560594][ T4700] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.568064][ T4700] CPU: 0 PID: 4700 Comm: syz.1.180 Not tainted syzkaller #0
[  267.575473][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  267.585748][ T4700] Call Trace:
[  267.589154][ T4700]  <TASK>
[  267.592099][ T4700]  dump_stack_lvl+0x168/0x230
[  267.596805][ T4700]  ? show_regs_print_info+0x20/0x20
[  267.602039][ T4700]  ? load_image+0x3b0/0x3b0
[  267.606600][ T4700]  sysfs_create_dir_ns+0x252/0x280
[  267.611876][ T4700]  ? __lock_acquire+0x7c60/0x7c60
[  267.616936][ T4700]  ? sysfs_warn_dup+0xa0/0xa0
[  267.621912][ T4700]  ? do_raw_spin_unlock+0x11d/0x230
[  267.627144][ T4700]  kobject_add_internal+0x662/0xd00
[  267.632390][ T4700]  kobject_init_and_add+0x122/0x190
[  267.637621][ T4700]  ? lockdep_softirqs_off+0x420/0x420
[  267.643024][ T4700]  ? kobject_add+0x210/0x210
[  267.647608][ T4700]  ? __init_swait_queue_head+0xa5/0x150
[  267.653139][ T4700]  gfs2_sys_fs_add+0x234/0x480
[  267.657882][ T4700]  ? gfs2_recover_set+0x240/0x240
[  267.662902][ T4700]  ? snprintf+0xd7/0x120
[  267.667129][ T4700]  ? __free_pages+0x95/0x1a0
[  267.671703][ T4700]  ? vscnprintf+0x80/0x80
[  267.676025][ T4700]  gfs2_fill_super+0x128d/0x1f50
[  267.681038][ T4700]  ? gfs2_reconfigure+0xcd0/0xcd0
[  267.686042][ T4700]  ? preempt_count_add+0x8d/0x190
[  267.691058][ T4700]  ? sb_set_blocksize+0xa5/0xe0
[  267.695977][ T4700]  get_tree_bdev+0x3f1/0x610
[  267.700546][ T4700]  ? gfs2_reconfigure+0xcd0/0xcd0
[  267.705552][ T4700]  gfs2_get_tree+0x4d/0x1e0
[  267.710310][ T4700]  vfs_get_tree+0x88/0x270
[  267.714880][ T4700]  do_new_mount+0x24a/0xa40
[  267.719493][ T4700]  __se_sys_mount+0x2d6/0x3c0
[  267.724193][ T4700]  ? __x64_sys_mount+0xc0/0xc0
[  267.728945][ T4700]  ? lockdep_hardirqs_on+0x94/0x140
[  267.734125][ T4700]  ? __x64_sys_mount+0x1c/0xc0
[  267.739040][ T4700]  do_syscall_64+0x4c/0xa0
[  267.743525][ T4700]  ? clear_bhb_loop+0x30/0x80
[  267.748271][ T4700]  ? clear_bhb_loop+0x30/0x80
[  267.753025][ T4700]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.759146][ T4700] RIP: 0033:0x7f881341deea
[  267.763558][ T4700] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  267.783763][ T4700] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.792269][ T4700] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  267.800233][ T4700] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  267.808299][ T4700] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  267.816443][ T4700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  267.824395][ T4700] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  267.832362][ T4700]  </TASK>
[  267.837173][ T4700] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.850368][ T4700] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.177079][ T4701] loop1: detected capacity change from 0 to 32768
[  268.261072][ T4701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.268691][ T4701] CPU: 1 PID: 4701 Comm: syz.1.181 Not tainted syzkaller #0
[  268.276006][ T4701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  268.286189][ T4701] Call Trace:
[  268.289507][ T4701]  <TASK>
[  268.292659][ T4701]  dump_stack_lvl+0x168/0x230
[  268.297487][ T4701]  ? show_regs_print_info+0x20/0x20
[  268.302903][ T4701]  ? load_image+0x3b0/0x3b0
[  268.307556][ T4701]  sysfs_create_dir_ns+0x252/0x280
[  268.312702][ T4701]  ? __lock_acquire+0x7c60/0x7c60
[  268.317827][ T4701]  ? sysfs_warn_dup+0xa0/0xa0
[  268.322987][ T4701]  ? do_raw_spin_unlock+0x11d/0x230
[  268.328277][ T4701]  kobject_add_internal+0x662/0xd00
[  268.333909][ T4701]  kobject_init_and_add+0x122/0x190
[  268.339165][ T4701]  ? lockdep_softirqs_off+0x420/0x420
[  268.344635][ T4701]  ? kobject_add+0x210/0x210
[  268.349212][ T4701]  ? __init_swait_queue_head+0xa5/0x150
[  268.354860][ T4701]  gfs2_sys_fs_add+0x234/0x480
[  268.359862][ T4701]  ? gfs2_recover_set+0x240/0x240
[  268.365088][ T4701]  ? snprintf+0xd7/0x120
[  268.369321][ T4701]  ? __free_pages+0x95/0x1a0
[  268.374010][ T4701]  ? vscnprintf+0x80/0x80
[  268.378331][ T4701]  gfs2_fill_super+0x128d/0x1f50
[  268.383346][ T4701]  ? gfs2_reconfigure+0xcd0/0xcd0
[  268.388360][ T4701]  ? preempt_count_add+0x8d/0x190
[  268.393977][ T4701]  ? sb_set_blocksize+0xa5/0xe0
[  268.398992][ T4701]  get_tree_bdev+0x3f1/0x610
[  268.403652][ T4701]  ? gfs2_reconfigure+0xcd0/0xcd0
[  268.408659][ T4701]  gfs2_get_tree+0x4d/0x1e0
[  268.413158][ T4701]  vfs_get_tree+0x88/0x270
[  268.417567][ T4701]  do_new_mount+0x24a/0xa40
[  268.422061][ T4701]  __se_sys_mount+0x2d6/0x3c0
[  268.426721][ T4701]  ? __x64_sys_mount+0xc0/0xc0
[  268.431572][ T4701]  ? lockdep_hardirqs_on+0x94/0x140
[  268.436842][ T4701]  ? __x64_sys_mount+0x1c/0xc0
[  268.441587][ T4701]  do_syscall_64+0x4c/0xa0
[  268.446159][ T4701]  ? clear_bhb_loop+0x30/0x80
[  268.450901][ T4701]  ? clear_bhb_loop+0x30/0x80
[  268.455673][ T4701]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.461549][ T4701] RIP: 0033:0x7f881341deea
[  268.466044][ T4701] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  268.485809][ T4701] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.494299][ T4701] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  268.502262][ T4701] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  268.510219][ T4701] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  268.518175][ T4701] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  268.526215][ T4701] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  268.534305][ T4701]  </TASK>
[  268.538810][ T4701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.552093][ T4701] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.880328][ T4702] loop1: detected capacity change from 0 to 32768
[  268.930407][ T4702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.937840][ T4702] CPU: 0 PID: 4702 Comm: syz.1.182 Not tainted syzkaller #0
[  268.945522][ T4702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  268.955696][ T4702] Call Trace:
[  268.959035][ T4702]  <TASK>
[  268.961985][ T4702]  dump_stack_lvl+0x168/0x230
[  268.966690][ T4702]  ? show_regs_print_info+0x20/0x20
[  268.971913][ T4702]  ? load_image+0x3b0/0x3b0
[  268.976478][ T4702]  sysfs_create_dir_ns+0x252/0x280
[  268.981637][ T4702]  ? __lock_acquire+0x7c60/0x7c60
[  268.986699][ T4702]  ? sysfs_warn_dup+0xa0/0xa0
[  268.991411][ T4702]  ? do_raw_spin_unlock+0x11d/0x230
[  268.996749][ T4702]  kobject_add_internal+0x662/0xd00
[  269.001994][ T4702]  kobject_init_and_add+0x122/0x190
[  269.007581][ T4702]  ? lockdep_softirqs_off+0x420/0x420
[  269.013078][ T4702]  ? kobject_add+0x210/0x210
[  269.017788][ T4702]  ? __init_swait_queue_head+0xa5/0x150
[  269.023427][ T4702]  gfs2_sys_fs_add+0x234/0x480
[  269.028277][ T4702]  ? gfs2_recover_set+0x240/0x240
[  269.033283][ T4702]  ? snprintf+0xd7/0x120
[  269.037529][ T4702]  ? __free_pages+0x95/0x1a0
[  269.042276][ T4702]  ? vscnprintf+0x80/0x80
[  269.047025][ T4702]  gfs2_fill_super+0x128d/0x1f50
[  269.051960][ T4702]  ? gfs2_reconfigure+0xcd0/0xcd0
[  269.057583][ T4702]  ? preempt_count_add+0x8d/0x190
[  269.062680][ T4702]  ? sb_set_blocksize+0xa5/0xe0
[  269.067686][ T4702]  get_tree_bdev+0x3f1/0x610
[  269.072351][ T4702]  ? gfs2_reconfigure+0xcd0/0xcd0
[  269.077370][ T4702]  gfs2_get_tree+0x4d/0x1e0
[  269.081868][ T4702]  vfs_get_tree+0x88/0x270
[  269.086355][ T4702]  do_new_mount+0x24a/0xa40
[  269.090999][ T4702]  __se_sys_mount+0x2d6/0x3c0
[  269.095685][ T4702]  ? __x64_sys_mount+0xc0/0xc0
[  269.100436][ T4702]  ? lockdep_hardirqs_on+0x94/0x140
[  269.105704][ T4702]  ? __x64_sys_mount+0x1c/0xc0
[  269.110454][ T4702]  do_syscall_64+0x4c/0xa0
[  269.114849][ T4702]  ? clear_bhb_loop+0x30/0x80
[  269.119762][ T4702]  ? clear_bhb_loop+0x30/0x80
[  269.124497][ T4702]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.130477][ T4702] RIP: 0033:0x7f881341deea
[  269.134968][ T4702] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  269.155269][ T4702] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.163682][ T4702] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  269.171646][ T4702] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  269.179628][ T4702] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  269.187618][ T4702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  269.195573][ T4702] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  269.203623][ T4702]  </TASK>
[  269.207394][ T4702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.221209][ T4702] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.526824][ T4703] loop1: detected capacity change from 0 to 32768
[  269.579234][ T4703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.587317][ T4703] CPU: 1 PID: 4703 Comm: syz.1.183 Not tainted syzkaller #0
[  269.594645][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  269.604731][ T4703] Call Trace:
[  269.608038][ T4703]  <TASK>
[  269.611091][ T4703]  dump_stack_lvl+0x168/0x230
[  269.615853][ T4703]  ? show_regs_print_info+0x20/0x20
[  269.621102][ T4703]  ? load_image+0x3b0/0x3b0
[  269.625660][ T4703]  sysfs_create_dir_ns+0x252/0x280
[  269.630820][ T4703]  ? __lock_acquire+0x7c60/0x7c60
[  269.635980][ T4703]  ? sysfs_warn_dup+0xa0/0xa0
[  269.640844][ T4703]  ? do_raw_spin_unlock+0x11d/0x230
[  269.646085][ T4703]  kobject_add_internal+0x662/0xd00
[  269.651336][ T4703]  kobject_init_and_add+0x122/0x190
[  269.656667][ T4703]  ? lockdep_softirqs_off+0x420/0x420
[  269.662076][ T4703]  ? kobject_add+0x210/0x210
[  269.666707][ T4703]  ? __init_swait_queue_head+0xa5/0x150
[  269.672285][ T4703]  gfs2_sys_fs_add+0x234/0x480
[  269.677176][ T4703]  ? gfs2_recover_set+0x240/0x240
[  269.682205][ T4703]  ? snprintf+0xd7/0x120
[  269.686456][ T4703]  ? __free_pages+0x95/0x1a0
[  269.691121][ T4703]  ? vscnprintf+0x80/0x80
[  269.695602][ T4703]  gfs2_fill_super+0x128d/0x1f50
[  269.700557][ T4703]  ? gfs2_reconfigure+0xcd0/0xcd0
[  269.705572][ T4703]  ? preempt_count_add+0x8d/0x190
[  269.710584][ T4703]  ? sb_set_blocksize+0xa5/0xe0
[  269.715417][ T4703]  get_tree_bdev+0x3f1/0x610
[  269.719997][ T4703]  ? gfs2_reconfigure+0xcd0/0xcd0
[  269.725013][ T4703]  gfs2_get_tree+0x4d/0x1e0
[  269.729512][ T4703]  vfs_get_tree+0x88/0x270
[  269.733953][ T4703]  do_new_mount+0x24a/0xa40
[  269.738437][ T4703]  __se_sys_mount+0x2d6/0x3c0
[  269.743357][ T4703]  ? __x64_sys_mount+0xc0/0xc0
[  269.748102][ T4703]  ? lockdep_hardirqs_on+0x94/0x140
[  269.753416][ T4703]  ? __x64_sys_mount+0x1c/0xc0
[  269.758184][ T4703]  do_syscall_64+0x4c/0xa0
[  269.762754][ T4703]  ? clear_bhb_loop+0x30/0x80
[  269.767630][ T4703]  ? clear_bhb_loop+0x30/0x80
[  269.772301][ T4703]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.778180][ T4703] RIP: 0033:0x7f881341deea
[  269.782575][ T4703] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  269.802187][ T4703] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.810585][ T4703] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  269.818715][ T4703] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  269.826685][ T4703] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  269.834649][ T4703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  269.842621][ T4703] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  269.850600][ T4703]  </TASK>
[  269.855214][ T4703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.868506][ T4703] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.182060][ T4704] loop1: detected capacity change from 0 to 32768
[  270.232257][ T4704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.239865][ T4704] CPU: 0 PID: 4704 Comm: syz.1.184 Not tainted syzkaller #0
[  270.247189][ T4704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  270.257793][ T4704] Call Trace:
[  270.261111][ T4704]  <TASK>
[  270.264071][ T4704]  dump_stack_lvl+0x168/0x230
[  270.268872][ T4704]  ? show_regs_print_info+0x20/0x20
[  270.274102][ T4704]  ? load_image+0x3b0/0x3b0
[  270.278649][ T4704]  sysfs_create_dir_ns+0x252/0x280
[  270.283915][ T4704]  ? __lock_acquire+0x7c60/0x7c60
[  270.288972][ T4704]  ? sysfs_warn_dup+0xa0/0xa0
[  270.293686][ T4704]  ? do_raw_spin_unlock+0x11d/0x230
[  270.298966][ T4704]  kobject_add_internal+0x662/0xd00
[  270.304387][ T4704]  kobject_init_and_add+0x122/0x190
[  270.309622][ T4704]  ? lockdep_softirqs_off+0x420/0x420
[  270.315043][ T4704]  ? kobject_add+0x210/0x210
[  270.319991][ T4704]  ? __init_swait_queue_head+0xa5/0x150
[  270.325550][ T4704]  gfs2_sys_fs_add+0x234/0x480
[  270.330397][ T4704]  ? gfs2_recover_set+0x240/0x240
[  270.335527][ T4704]  ? snprintf+0xd7/0x120
[  270.339785][ T4704]  ? __free_pages+0x95/0x1a0
[  270.344595][ T4704]  ? vscnprintf+0x80/0x80
[  270.349024][ T4704]  gfs2_fill_super+0x128d/0x1f50
[  270.354059][ T4704]  ? gfs2_reconfigure+0xcd0/0xcd0
[  270.359074][ T4704]  ? preempt_count_add+0x8d/0x190
[  270.364090][ T4704]  ? sb_set_blocksize+0xa5/0xe0
[  270.368958][ T4704]  get_tree_bdev+0x3f1/0x610
[  270.373810][ T4704]  ? gfs2_reconfigure+0xcd0/0xcd0
[  270.378843][ T4704]  gfs2_get_tree+0x4d/0x1e0
[  270.383450][ T4704]  vfs_get_tree+0x88/0x270
[  270.387888][ T4704]  do_new_mount+0x24a/0xa40
[  270.392405][ T4704]  __se_sys_mount+0x2d6/0x3c0
[  270.397067][ T4704]  ? __x64_sys_mount+0xc0/0xc0
[  270.401821][ T4704]  ? lockdep_hardirqs_on+0x94/0x140
[  270.407175][ T4704]  ? __x64_sys_mount+0x1c/0xc0
[  270.412106][ T4704]  do_syscall_64+0x4c/0xa0
[  270.416534][ T4704]  ? clear_bhb_loop+0x30/0x80
[  270.421210][ T4704]  ? clear_bhb_loop+0x30/0x80
[  270.425874][ T4704]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.431996][ T4704] RIP: 0033:0x7f881341deea
[  270.436498][ T4704] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  270.456239][ T4704] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.464950][ T4704] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  270.472994][ T4704] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  270.481131][ T4704] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  270.489107][ T4704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  270.497304][ T4704] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  270.505382][ T4704]  </TASK>
[  270.513201][ T4704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.527086][ T4704] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 11:57:46 executed programs: 170
[  270.847400][ T4705] loop1: detected capacity change from 0 to 32768
[  270.906102][ T4705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.916345][ T4705] CPU: 1 PID: 4705 Comm: syz.1.185 Not tainted syzkaller #0
[  270.923814][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  270.934103][ T4705] Call Trace:
[  270.937413][ T4705]  <TASK>
[  270.940369][ T4705]  dump_stack_lvl+0x168/0x230
[  270.945086][ T4705]  ? show_regs_print_info+0x20/0x20
[  270.950317][ T4705]  ? load_image+0x3b0/0x3b0
[  270.954856][ T4705]  sysfs_create_dir_ns+0x252/0x280
[  270.960015][ T4705]  ? __lock_acquire+0x7c60/0x7c60
[  270.965083][ T4705]  ? sysfs_warn_dup+0xa0/0xa0
[  270.969810][ T4705]  ? do_raw_spin_unlock+0x11d/0x230
[  270.975049][ T4705]  kobject_add_internal+0x662/0xd00
[  270.980283][ T4705]  kobject_init_and_add+0x122/0x190
[  270.985507][ T4705]  ? lockdep_softirqs_off+0x420/0x420
[  270.991005][ T4705]  ? kobject_add+0x210/0x210
[  270.995779][ T4705]  ? __init_swait_queue_head+0xa5/0x150
[  271.001360][ T4705]  gfs2_sys_fs_add+0x234/0x480
[  271.006130][ T4705]  ? gfs2_recover_set+0x240/0x240
[  271.011141][ T4705]  ? snprintf+0xd7/0x120
[  271.015463][ T4705]  ? __free_pages+0x95/0x1a0
[  271.020147][ T4705]  ? vscnprintf+0x80/0x80
[  271.024508][ T4705]  gfs2_fill_super+0x128d/0x1f50
[  271.029544][ T4705]  ? gfs2_reconfigure+0xcd0/0xcd0
[  271.034550][ T4705]  ? preempt_count_add+0x8d/0x190
[  271.039643][ T4705]  ? sb_set_blocksize+0xa5/0xe0
[  271.044476][ T4705]  get_tree_bdev+0x3f1/0x610
[  271.049047][ T4705]  ? gfs2_reconfigure+0xcd0/0xcd0
[  271.054146][ T4705]  gfs2_get_tree+0x4d/0x1e0
[  271.058840][ T4705]  vfs_get_tree+0x88/0x270
[  271.063323][ T4705]  do_new_mount+0x24a/0xa40
[  271.067813][ T4705]  __se_sys_mount+0x2d6/0x3c0
[  271.072474][ T4705]  ? __x64_sys_mount+0xc0/0xc0
[  271.077232][ T4705]  ? lockdep_hardirqs_on+0x94/0x140
[  271.082591][ T4705]  ? __x64_sys_mount+0x1c/0xc0
[  271.087510][ T4705]  do_syscall_64+0x4c/0xa0
[  271.091922][ T4705]  ? clear_bhb_loop+0x30/0x80
[  271.096694][ T4705]  ? clear_bhb_loop+0x30/0x80
[  271.101361][ T4705]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.107239][ T4705] RIP: 0033:0x7f881341deea
[  271.111638][ T4705] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  271.131321][ T4705] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.139805][ T4705] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  271.147760][ T4705] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  271.155719][ T4705] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  271.163696][ T4705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  271.171662][ T4705] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  271.179628][ T4705]  </TASK>
[  271.184323][ T4705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.197594][ T4705] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.507959][ T4706] loop1: detected capacity change from 0 to 32768
[  271.551974][ T4706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.560839][ T4706] CPU: 0 PID: 4706 Comm: syz.1.186 Not tainted syzkaller #0
[  271.568178][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  271.578530][ T4706] Call Trace:
[  271.581840][ T4706]  <TASK>
[  271.584844][ T4706]  dump_stack_lvl+0x168/0x230
[  271.589565][ T4706]  ? show_regs_print_info+0x20/0x20
[  271.594927][ T4706]  ? load_image+0x3b0/0x3b0
[  271.599477][ T4706]  sysfs_create_dir_ns+0x252/0x280
[  271.604617][ T4706]  ? __lock_acquire+0x7c60/0x7c60
[  271.609834][ T4706]  ? sysfs_warn_dup+0xa0/0xa0
[  271.614554][ T4706]  ? do_raw_spin_unlock+0x11d/0x230
[  271.619791][ T4706]  kobject_add_internal+0x662/0xd00
[  271.625042][ T4706]  kobject_init_and_add+0x122/0x190
[  271.630265][ T4706]  ? lockdep_softirqs_off+0x420/0x420
[  271.635678][ T4706]  ? kobject_add+0x210/0x210
[  271.640563][ T4706]  ? __init_swait_queue_head+0xa5/0x150
[  271.646136][ T4706]  gfs2_sys_fs_add+0x234/0x480
[  271.650895][ T4706]  ? gfs2_recover_set+0x240/0x240
[  271.655915][ T4706]  ? snprintf+0xd7/0x120
[  271.660328][ T4706]  ? __free_pages+0x95/0x1a0
[  271.664914][ T4706]  ? vscnprintf+0x80/0x80
[  271.669245][ T4706]  gfs2_fill_super+0x128d/0x1f50
[  271.674199][ T4706]  ? gfs2_reconfigure+0xcd0/0xcd0
[  271.679207][ T4706]  ? preempt_count_add+0x8d/0x190
[  271.684303][ T4706]  ? sb_set_blocksize+0xa5/0xe0
[  271.689140][ T4706]  get_tree_bdev+0x3f1/0x610
[  271.693719][ T4706]  ? gfs2_reconfigure+0xcd0/0xcd0
[  271.698810][ T4706]  gfs2_get_tree+0x4d/0x1e0
[  271.703310][ T4706]  vfs_get_tree+0x88/0x270
[  271.708007][ T4706]  do_new_mount+0x24a/0xa40
[  271.712497][ T4706]  __se_sys_mount+0x2d6/0x3c0
[  271.717250][ T4706]  ? __x64_sys_mount+0xc0/0xc0
[  271.721997][ T4706]  ? lockdep_hardirqs_on+0x94/0x140
[  271.727467][ T4706]  ? __x64_sys_mount+0x1c/0xc0
[  271.732221][ T4706]  do_syscall_64+0x4c/0xa0
[  271.736716][ T4706]  ? clear_bhb_loop+0x30/0x80
[  271.741382][ T4706]  ? clear_bhb_loop+0x30/0x80
[  271.746139][ T4706]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.752320][ T4706] RIP: 0033:0x7f881341deea
[  271.756808][ T4706] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  271.776661][ T4706] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.785106][ T4706] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  271.793161][ T4706] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  271.801203][ T4706] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  271.809161][ T4706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  271.817290][ T4706] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  271.825406][ T4706]  </TASK>
[  271.833833][ T4706] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.848640][ T4706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.146506][ T4707] loop1: detected capacity change from 0 to 32768
[  272.199126][ T4707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.206647][ T4707] CPU: 1 PID: 4707 Comm: syz.1.187 Not tainted syzkaller #0
[  272.214045][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  272.224314][ T4707] Call Trace:
[  272.227623][ T4707]  <TASK>
[  272.230585][ T4707]  dump_stack_lvl+0x168/0x230
[  272.235310][ T4707]  ? show_regs_print_info+0x20/0x20
[  272.240537][ T4707]  ? load_image+0x3b0/0x3b0
[  272.245187][ T4707]  sysfs_create_dir_ns+0x252/0x280
[  272.250510][ T4707]  ? __lock_acquire+0x7c60/0x7c60
[  272.255581][ T4707]  ? sysfs_warn_dup+0xa0/0xa0
[  272.260305][ T4707]  ? do_raw_spin_unlock+0x11d/0x230
[  272.265635][ T4707]  kobject_add_internal+0x662/0xd00
[  272.270960][ T4707]  kobject_init_and_add+0x122/0x190
[  272.276284][ T4707]  ? lockdep_softirqs_off+0x420/0x420
[  272.281692][ T4707]  ? kobject_add+0x210/0x210
[  272.286321][ T4707]  ? __init_swait_queue_head+0xa5/0x150
[  272.292001][ T4707]  gfs2_sys_fs_add+0x234/0x480
[  272.296953][ T4707]  ? gfs2_recover_set+0x240/0x240
[  272.302046][ T4707]  ? snprintf+0xd7/0x120
[  272.306284][ T4707]  ? __free_pages+0x95/0x1a0
[  272.310970][ T4707]  ? vscnprintf+0x80/0x80
[  272.315326][ T4707]  gfs2_fill_super+0x128d/0x1f50
[  272.320274][ T4707]  ? gfs2_reconfigure+0xcd0/0xcd0
[  272.325403][ T4707]  ? preempt_count_add+0x8d/0x190
[  272.330519][ T4707]  ? sb_set_blocksize+0xa5/0xe0
[  272.335412][ T4707]  get_tree_bdev+0x3f1/0x610
[  272.340003][ T4707]  ? gfs2_reconfigure+0xcd0/0xcd0
[  272.345122][ T4707]  gfs2_get_tree+0x4d/0x1e0
[  272.349611][ T4707]  vfs_get_tree+0x88/0x270
[  272.354015][ T4707]  do_new_mount+0x24a/0xa40
[  272.358516][ T4707]  __se_sys_mount+0x2d6/0x3c0
[  272.363296][ T4707]  ? __x64_sys_mount+0xc0/0xc0
[  272.368104][ T4707]  ? lockdep_hardirqs_on+0x94/0x140
[  272.373389][ T4707]  ? __x64_sys_mount+0x1c/0xc0
[  272.378169][ T4707]  do_syscall_64+0x4c/0xa0
[  272.382593][ T4707]  ? clear_bhb_loop+0x30/0x80
[  272.387444][ T4707]  ? clear_bhb_loop+0x30/0x80
[  272.392102][ T4707]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.397979][ T4707] RIP: 0033:0x7f881341deea
[  272.402378][ T4707] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  272.422068][ T4707] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.430566][ T4707] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  272.438613][ T4707] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  272.446654][ T4707] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  272.454608][ T4707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  272.462679][ T4707] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  272.470647][ T4707]  </TASK>
[  272.475594][ T4707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.488950][ T4707] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.805935][ T4708] loop1: detected capacity change from 0 to 32768
[  272.862823][ T4708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.880032][ T4708] CPU: 1 PID: 4708 Comm: syz.1.188 Not tainted syzkaller #0
[  272.887377][ T4708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  272.897462][ T4708] Call Trace:
[  272.900771][ T4708]  <TASK>
[  272.903930][ T4708]  dump_stack_lvl+0x168/0x230
[  272.908646][ T4708]  ? show_regs_print_info+0x20/0x20
[  272.913873][ T4708]  ? load_image+0x3b0/0x3b0
[  272.918515][ T4708]  sysfs_create_dir_ns+0x252/0x280
[  272.923678][ T4708]  ? __lock_acquire+0x7c60/0x7c60
[  272.928746][ T4708]  ? sysfs_warn_dup+0xa0/0xa0
[  272.933633][ T4708]  ? do_raw_spin_unlock+0x11d/0x230
[  272.938904][ T4708]  kobject_add_internal+0x662/0xd00
[  272.944138][ T4708]  kobject_init_and_add+0x122/0x190
[  272.949366][ T4708]  ? lockdep_softirqs_off+0x420/0x420
[  272.954777][ T4708]  ? kobject_add+0x210/0x210
[  272.959404][ T4708]  ? __init_swait_queue_head+0xa5/0x150
[  272.965125][ T4708]  gfs2_sys_fs_add+0x234/0x480
[  272.969957][ T4708]  ? gfs2_recover_set+0x240/0x240
[  272.975027][ T4708]  ? snprintf+0xd7/0x120
[  272.979268][ T4708]  ? __free_pages+0x95/0x1a0
[  272.983859][ T4708]  ? vscnprintf+0x80/0x80
[  272.988173][ T4708]  gfs2_fill_super+0x128d/0x1f50
[  272.993094][ T4708]  ? gfs2_reconfigure+0xcd0/0xcd0
[  272.998186][ T4708]  ? preempt_count_add+0x8d/0x190
[  273.003194][ T4708]  ? sb_set_blocksize+0xa5/0xe0
[  273.008051][ T4708]  get_tree_bdev+0x3f1/0x610
[  273.012625][ T4708]  ? gfs2_reconfigure+0xcd0/0xcd0
[  273.017662][ T4708]  gfs2_get_tree+0x4d/0x1e0
[  273.022257][ T4708]  vfs_get_tree+0x88/0x270
[  273.026660][ T4708]  do_new_mount+0x24a/0xa40
[  273.031146][ T4708]  __se_sys_mount+0x2d6/0x3c0
[  273.035824][ T4708]  ? __x64_sys_mount+0xc0/0xc0
[  273.040588][ T4708]  ? lockdep_hardirqs_on+0x94/0x140
[  273.045767][ T4708]  ? __x64_sys_mount+0x1c/0xc0
[  273.050513][ T4708]  do_syscall_64+0x4c/0xa0
[  273.054937][ T4708]  ? clear_bhb_loop+0x30/0x80
[  273.059609][ T4708]  ? clear_bhb_loop+0x30/0x80
[  273.064311][ T4708]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  273.070269][ T4708] RIP: 0033:0x7f881341deea
[  273.074949][ T4708] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  273.094555][ T4708] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.102958][ T4708] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  273.111013][ T4708] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  273.118977][ T4708] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  273.126953][ T4708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  273.134926][ T4708] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  273.142971][ T4708]  </TASK>
[  273.147468][ T4708] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.160652][ T4708] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.478285][ T4709] loop1: detected capacity change from 0 to 32768
[  273.553143][ T4709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.561998][ T4709] CPU: 0 PID: 4709 Comm: syz.1.189 Not tainted syzkaller #0
[  273.569411][ T4709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  273.579899][ T4709] Call Trace:
[  273.583214][ T4709]  <TASK>
[  273.586179][ T4709]  dump_stack_lvl+0x168/0x230
[  273.590988][ T4709]  ? show_regs_print_info+0x20/0x20
[  273.596230][ T4709]  ? load_image+0x3b0/0x3b0
[  273.600772][ T4709]  sysfs_create_dir_ns+0x252/0x280
[  273.606081][ T4709]  ? __lock_acquire+0x7c60/0x7c60
[  273.611096][ T4709]  ? sysfs_warn_dup+0xa0/0xa0
[  273.615800][ T4709]  ? do_raw_spin_unlock+0x11d/0x230
[  273.620998][ T4709]  kobject_add_internal+0x662/0xd00
[  273.626303][ T4709]  kobject_init_and_add+0x122/0x190
[  273.631662][ T4709]  ? lockdep_softirqs_off+0x420/0x420
[  273.637023][ T4709]  ? kobject_add+0x210/0x210
[  273.641874][ T4709]  ? __init_swait_queue_head+0xa5/0x150
[  273.647407][ T4709]  gfs2_sys_fs_add+0x234/0x480
[  273.652153][ T4709]  ? gfs2_recover_set+0x240/0x240
[  273.657157][ T4709]  ? snprintf+0xd7/0x120
[  273.661406][ T4709]  ? __free_pages+0x95/0x1a0
[  273.666152][ T4709]  ? vscnprintf+0x80/0x80
[  273.670655][ T4709]  gfs2_fill_super+0x128d/0x1f50
[  273.675695][ T4709]  ? gfs2_reconfigure+0xcd0/0xcd0
[  273.680721][ T4709]  ? preempt_count_add+0x8d/0x190
[  273.685745][ T4709]  ? sb_set_blocksize+0xa5/0xe0
[  273.690581][ T4709]  get_tree_bdev+0x3f1/0x610
[  273.695243][ T4709]  ? gfs2_reconfigure+0xcd0/0xcd0
[  273.700266][ T4709]  gfs2_get_tree+0x4d/0x1e0
[  273.704745][ T4709]  vfs_get_tree+0x88/0x270
[  273.709146][ T4709]  do_new_mount+0x24a/0xa40
[  273.713633][ T4709]  __se_sys_mount+0x2d6/0x3c0
[  273.718292][ T4709]  ? __x64_sys_mount+0xc0/0xc0
[  273.723035][ T4709]  ? lockdep_hardirqs_on+0x94/0x140
[  273.728398][ T4709]  ? __x64_sys_mount+0x1c/0xc0
[  273.733185][ T4709]  do_syscall_64+0x4c/0xa0
[  273.737694][ T4709]  ? clear_bhb_loop+0x30/0x80
[  273.742470][ T4709]  ? clear_bhb_loop+0x30/0x80
[  273.747430][ T4709]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  273.753514][ T4709] RIP: 0033:0x7f881341deea
[  273.758018][ T4709] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  273.777931][ T4709] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.786543][ T4709] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  273.794687][ T4709] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  273.802702][ T4709] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  273.810654][ T4709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  273.818872][ T4709] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  273.826926][ T4709]  </TASK>
[  273.831073][ T4709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.844735][ T4709] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.178149][ T4710] loop1: detected capacity change from 0 to 32768
[  274.230859][ T4710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.238494][ T4710] CPU: 0 PID: 4710 Comm: syz.1.190 Not tainted syzkaller #0
[  274.245816][ T4710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  274.256095][ T4710] Call Trace:
[  274.259416][ T4710]  <TASK>
[  274.262368][ T4710]  dump_stack_lvl+0x168/0x230
[  274.267076][ T4710]  ? show_regs_print_info+0x20/0x20
[  274.272494][ T4710]  ? load_image+0x3b0/0x3b0
[  274.277136][ T4710]  sysfs_create_dir_ns+0x252/0x280
[  274.282292][ T4710]  ? __lock_acquire+0x7c60/0x7c60
[  274.287375][ T4710]  ? sysfs_warn_dup+0xa0/0xa0
[  274.292095][ T4710]  ? do_raw_spin_unlock+0x11d/0x230
[  274.297338][ T4710]  kobject_add_internal+0x662/0xd00
[  274.302584][ T4710]  kobject_init_and_add+0x122/0x190
[  274.307912][ T4710]  ? lockdep_softirqs_off+0x420/0x420
[  274.313338][ T4710]  ? kobject_add+0x210/0x210
[  274.317961][ T4710]  ? __init_swait_queue_head+0xa5/0x150
[  274.323508][ T4710]  gfs2_sys_fs_add+0x234/0x480
[  274.328279][ T4710]  ? gfs2_recover_set+0x240/0x240
[  274.333468][ T4710]  ? snprintf+0xd7/0x120
[  274.337709][ T4710]  ? __free_pages+0x95/0x1a0
[  274.342391][ T4710]  ? vscnprintf+0x80/0x80
[  274.346739][ T4710]  gfs2_fill_super+0x128d/0x1f50
[  274.351816][ T4710]  ? gfs2_reconfigure+0xcd0/0xcd0
[  274.356903][ T4710]  ? preempt_count_add+0x8d/0x190
[  274.361913][ T4710]  ? sb_set_blocksize+0xa5/0xe0
[  274.366853][ T4710]  get_tree_bdev+0x3f1/0x610
[  274.371472][ T4710]  ? gfs2_reconfigure+0xcd0/0xcd0
[  274.376497][ T4710]  gfs2_get_tree+0x4d/0x1e0
[  274.381088][ T4710]  vfs_get_tree+0x88/0x270
[  274.385490][ T4710]  do_new_mount+0x24a/0xa40
[  274.390199][ T4710]  __se_sys_mount+0x2d6/0x3c0
[  274.395151][ T4710]  ? __x64_sys_mount+0xc0/0xc0
[  274.400785][ T4710]  ? lockdep_hardirqs_on+0x94/0x140
[  274.406019][ T4710]  ? __x64_sys_mount+0x1c/0xc0
[  274.410875][ T4710]  do_syscall_64+0x4c/0xa0
[  274.415283][ T4710]  ? clear_bhb_loop+0x30/0x80
[  274.419937][ T4710]  ? clear_bhb_loop+0x30/0x80
[  274.424695][ T4710]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.430775][ T4710] RIP: 0033:0x7f881341deea
[  274.435190][ T4710] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  274.454880][ T4710] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.463299][ T4710] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  274.471361][ T4710] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  274.479401][ T4710] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  274.487355][ T4710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  274.495901][ T4710] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  274.503889][ T4710]  </TASK>
[  274.508148][ T4710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.521570][ T4710] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.839220][ T4711] loop1: detected capacity change from 0 to 32768
[  274.899792][ T4711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.907221][ T4711] CPU: 0 PID: 4711 Comm: syz.1.191 Not tainted syzkaller #0
[  274.914639][ T4711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  274.924728][ T4711] Call Trace:
[  274.928039][ T4711]  <TASK>
[  274.931023][ T4711]  dump_stack_lvl+0x168/0x230
[  274.935780][ T4711]  ? show_regs_print_info+0x20/0x20
[  274.941030][ T4711]  ? load_image+0x3b0/0x3b0
[  274.945590][ T4711]  sysfs_create_dir_ns+0x252/0x280
[  274.950825][ T4711]  ? __lock_acquire+0x7c60/0x7c60
[  274.955888][ T4711]  ? sysfs_warn_dup+0xa0/0xa0
[  274.960620][ T4711]  ? do_raw_spin_unlock+0x11d/0x230
[  274.965860][ T4711]  kobject_add_internal+0x662/0xd00
[  274.971104][ T4711]  kobject_init_and_add+0x122/0x190
[  274.976421][ T4711]  ? lockdep_softirqs_off+0x420/0x420
[  274.981919][ T4711]  ? kobject_add+0x210/0x210
[  274.986506][ T4711]  ? __init_swait_queue_head+0xa5/0x150
[  274.992044][ T4711]  gfs2_sys_fs_add+0x234/0x480
[  274.996798][ T4711]  ? gfs2_recover_set+0x240/0x240
[  275.001822][ T4711]  ? snprintf+0xd7/0x120
[  275.006048][ T4711]  ? __free_pages+0x95/0x1a0
[  275.010624][ T4711]  ? vscnprintf+0x80/0x80
[  275.015045][ T4711]  gfs2_fill_super+0x128d/0x1f50
[  275.019985][ T4711]  ? gfs2_reconfigure+0xcd0/0xcd0
[  275.025003][ T4711]  ? preempt_count_add+0x8d/0x190
[  275.030445][ T4711]  ? sb_set_blocksize+0xa5/0xe0
[  275.035593][ T4711]  get_tree_bdev+0x3f1/0x610
[  275.040314][ T4711]  ? gfs2_reconfigure+0xcd0/0xcd0
[  275.045332][ T4711]  gfs2_get_tree+0x4d/0x1e0
[  275.049842][ T4711]  vfs_get_tree+0x88/0x270
[  275.054291][ T4711]  do_new_mount+0x24a/0xa40
[  275.058965][ T4711]  __se_sys_mount+0x2d6/0x3c0
[  275.063716][ T4711]  ? __x64_sys_mount+0xc0/0xc0
[  275.068643][ T4711]  ? lockdep_hardirqs_on+0x94/0x140
[  275.073834][ T4711]  ? __x64_sys_mount+0x1c/0xc0
[  275.078678][ T4711]  do_syscall_64+0x4c/0xa0
[  275.083126][ T4711]  ? clear_bhb_loop+0x30/0x80
[  275.087918][ T4711]  ? clear_bhb_loop+0x30/0x80
[  275.092637][ T4711]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.098702][ T4711] RIP: 0033:0x7f881341deea
[  275.103103][ T4711] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  275.122716][ T4711] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.131443][ T4711] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  275.139511][ T4711] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  275.147774][ T4711] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  275.155751][ T4711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  275.163741][ T4711] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  275.171704][ T4711]  </TASK>
[  275.182618][ T4711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.196396][ T4711] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.503781][ T4712] loop1: detected capacity change from 0 to 32768
[  275.585246][ T4712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.593518][ T4712] CPU: 0 PID: 4712 Comm: syz.1.192 Not tainted syzkaller #0
[  275.600942][ T4712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  275.611364][ T4712] Call Trace:
[  275.614755][ T4712]  <TASK>
[  275.617704][ T4712]  dump_stack_lvl+0x168/0x230
[  275.622497][ T4712]  ? show_regs_print_info+0x20/0x20
[  275.627724][ T4712]  ? load_image+0x3b0/0x3b0
[  275.632278][ T4712]  sysfs_create_dir_ns+0x252/0x280
[  275.637428][ T4712]  ? __lock_acquire+0x7c60/0x7c60
[  275.642493][ T4712]  ? sysfs_warn_dup+0xa0/0xa0
[  275.647408][ T4712]  ? do_raw_spin_unlock+0x11d/0x230
[  275.652738][ T4712]  kobject_add_internal+0x662/0xd00
[  275.657985][ T4712]  kobject_init_and_add+0x122/0x190
[  275.663229][ T4712]  ? lockdep_softirqs_off+0x420/0x420
[  275.668650][ T4712]  ? kobject_add+0x210/0x210
[  275.673243][ T4712]  ? __init_swait_queue_head+0xa5/0x150
[  275.678861][ T4712]  gfs2_sys_fs_add+0x234/0x480
[  275.683698][ T4712]  ? gfs2_recover_set+0x240/0x240
[  275.688707][ T4712]  ? snprintf+0xd7/0x120
[  275.692946][ T4712]  ? __free_pages+0x95/0x1a0
[  275.697536][ T4712]  ? vscnprintf+0x80/0x80
[  275.701935][ T4712]  gfs2_fill_super+0x128d/0x1f50
[  275.706862][ T4712]  ? gfs2_reconfigure+0xcd0/0xcd0
[  275.711864][ T4712]  ? preempt_count_add+0x8d/0x190
[  275.716885][ T4712]  ? sb_set_blocksize+0xa5/0xe0
[  275.721715][ T4712]  get_tree_bdev+0x3f1/0x610
[  275.726298][ T4712]  ? gfs2_reconfigure+0xcd0/0xcd0
[  275.731397][ T4712]  gfs2_get_tree+0x4d/0x1e0
[  275.736065][ T4712]  vfs_get_tree+0x88/0x270
[  275.740556][ T4712]  do_new_mount+0x24a/0xa40
[  275.745131][ T4712]  __se_sys_mount+0x2d6/0x3c0
[  275.749881][ T4712]  ? __x64_sys_mount+0xc0/0xc0
[  275.754630][ T4712]  ? lockdep_hardirqs_on+0x94/0x140
[  275.759841][ T4712]  ? __x64_sys_mount+0x1c/0xc0
[  275.764596][ T4712]  do_syscall_64+0x4c/0xa0
[  275.769085][ T4712]  ? clear_bhb_loop+0x30/0x80
[  275.773836][ T4712]  ? clear_bhb_loop+0x30/0x80
[  275.778519][ T4712]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.784487][ T4712] RIP: 0033:0x7f881341deea
[  275.788884][ T4712] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  275.809032][ T4712] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.817632][ T4712] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  275.825591][ T4712] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  275.833770][ T4712] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  275.841739][ T4712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  275.849698][ T4712] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  275.858098][ T4712]  </TASK>
[  275.862284][ T4712] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.875493][ T4712] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 11:57:51 executed programs: 178
[  276.217549][ T4713] loop1: detected capacity change from 0 to 32768
[  276.242402][ T4713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.250600][ T4713] CPU: 1 PID: 4713 Comm: syz.1.193 Not tainted syzkaller #0
[  276.258289][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.268905][ T4713] Call Trace:
[  276.272388][ T4713]  <TASK>
[  276.276562][ T4713]  dump_stack_lvl+0x168/0x230
[  276.281276][ T4713]  ? show_regs_print_info+0x20/0x20
[  276.286917][ T4713]  ? load_image+0x3b0/0x3b0
[  276.291652][ T4713]  sysfs_create_dir_ns+0x252/0x280
[  276.297156][ T4713]  ? __lock_acquire+0x7c60/0x7c60
[  276.302214][ T4713]  ? sysfs_warn_dup+0xa0/0xa0
[  276.307019][ T4713]  ? do_raw_spin_unlock+0x11d/0x230
[  276.312268][ T4713]  kobject_add_internal+0x662/0xd00
[  276.317790][ T4713]  kobject_init_and_add+0x122/0x190
[  276.323301][ T4713]  ? lockdep_softirqs_off+0x420/0x420
[  276.328706][ T4713]  ? kobject_add+0x210/0x210
[  276.333327][ T4713]  ? __init_swait_queue_head+0xa5/0x150
[  276.339125][ T4713]  gfs2_sys_fs_add+0x234/0x480
[  276.343903][ T4713]  ? gfs2_recover_set+0x240/0x240
[  276.349006][ T4713]  ? snprintf+0xd7/0x120
[  276.353238][ T4713]  ? __free_pages+0x95/0x1a0
[  276.357901][ T4713]  ? vscnprintf+0x80/0x80
[  276.362222][ T4713]  gfs2_fill_super+0x128d/0x1f50
[  276.367179][ T4713]  ? gfs2_reconfigure+0xcd0/0xcd0
[  276.372205][ T4713]  ? preempt_count_add+0x8d/0x190
[  276.377405][ T4713]  ? sb_set_blocksize+0xa5/0xe0
[  276.382270][ T4713]  get_tree_bdev+0x3f1/0x610
[  276.386872][ T4713]  ? gfs2_reconfigure+0xcd0/0xcd0
[  276.391876][ T4713]  gfs2_get_tree+0x4d/0x1e0
[  276.396468][ T4713]  vfs_get_tree+0x88/0x270
[  276.400880][ T4713]  do_new_mount+0x24a/0xa40
[  276.405549][ T4713]  __se_sys_mount+0x2d6/0x3c0
[  276.410226][ T4713]  ? __x64_sys_mount+0xc0/0xc0
[  276.415000][ T4713]  ? lockdep_hardirqs_on+0x94/0x140
[  276.420198][ T4713]  ? __x64_sys_mount+0x1c/0xc0
[  276.424954][ T4713]  do_syscall_64+0x4c/0xa0
[  276.429746][ T4713]  ? clear_bhb_loop+0x30/0x80
[  276.434405][ T4713]  ? clear_bhb_loop+0x30/0x80
[  276.439062][ T4713]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.444950][ T4713] RIP: 0033:0x7f881341deea
[  276.449345][ T4713] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  276.469110][ T4713] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.477963][ T4713] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  276.486296][ T4713] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  276.494342][ T4713] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  276.502661][ T4713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  276.510888][ T4713] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  276.519139][ T4713]  </TASK>
[  276.524127][ T4713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.538711][ T4713] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.858164][ T4714] loop1: detected capacity change from 0 to 32768
[  276.901494][ T4714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.911520][ T4714] CPU: 0 PID: 4714 Comm: syz.1.194 Not tainted syzkaller #0
[  276.918857][ T4714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.929031][ T4714] Call Trace:
[  276.932347][ T4714]  <TASK>
[  276.935299][ T4714]  dump_stack_lvl+0x168/0x230
[  276.940026][ T4714]  ? show_regs_print_info+0x20/0x20
[  276.945521][ T4714]  ? load_image+0x3b0/0x3b0
[  276.950063][ T4714]  sysfs_create_dir_ns+0x252/0x280
[  276.955748][ T4714]  ? __lock_acquire+0x7c60/0x7c60
[  276.961060][ T4714]  ? sysfs_warn_dup+0xa0/0xa0
[  276.965873][ T4714]  ? do_raw_spin_unlock+0x11d/0x230
[  276.971108][ T4714]  kobject_add_internal+0x662/0xd00
[  276.976340][ T4714]  kobject_init_and_add+0x122/0x190
[  276.981563][ T4714]  ? lockdep_softirqs_off+0x420/0x420
[  276.987068][ T4714]  ? kobject_add+0x210/0x210
[  276.991828][ T4714]  ? __init_swait_queue_head+0xa5/0x150
[  276.997549][ T4714]  gfs2_sys_fs_add+0x234/0x480
[  277.002338][ T4714]  ? gfs2_recover_set+0x240/0x240
[  277.007355][ T4714]  ? snprintf+0xd7/0x120
[  277.011907][ T4714]  ? __free_pages+0x95/0x1a0
[  277.016496][ T4714]  ? vscnprintf+0x80/0x80
[  277.020879][ T4714]  gfs2_fill_super+0x128d/0x1f50
[  277.025892][ T4714]  ? gfs2_reconfigure+0xcd0/0xcd0
[  277.030895][ T4714]  ? preempt_count_add+0x8d/0x190
[  277.035926][ T4714]  ? sb_set_blocksize+0xa5/0xe0
[  277.040769][ T4714]  get_tree_bdev+0x3f1/0x610
[  277.045449][ T4714]  ? gfs2_reconfigure+0xcd0/0xcd0
[  277.050549][ T4714]  gfs2_get_tree+0x4d/0x1e0
[  277.055036][ T4714]  vfs_get_tree+0x88/0x270
[  277.059450][ T4714]  do_new_mount+0x24a/0xa40
[  277.063999][ T4714]  __se_sys_mount+0x2d6/0x3c0
[  277.068869][ T4714]  ? __x64_sys_mount+0xc0/0xc0
[  277.073733][ T4714]  ? lockdep_hardirqs_on+0x94/0x140
[  277.078931][ T4714]  ? __x64_sys_mount+0x1c/0xc0
[  277.083892][ T4714]  do_syscall_64+0x4c/0xa0
[  277.088288][ T4714]  ? clear_bhb_loop+0x30/0x80
[  277.092967][ T4714]  ? clear_bhb_loop+0x30/0x80
[  277.097630][ T4714]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  277.103499][ T4714] RIP: 0033:0x7f881341deea
[  277.107896][ T4714] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  277.127676][ T4714] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.136102][ T4714] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  277.144344][ T4714] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  277.152683][ T4714] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  277.160658][ T4714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  277.168759][ T4714] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  277.176853][ T4714]  </TASK>
[  277.181452][ T4714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.195011][ T4714] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.513067][ T4715] loop1: detected capacity change from 0 to 32768
[  277.531600][ T4715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.542106][ T4715] CPU: 1 PID: 4715 Comm: syz.1.195 Not tainted syzkaller #0
[  277.549721][ T4715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  277.560080][ T4715] Call Trace:
[  277.563390][ T4715]  <TASK>
[  277.566350][ T4715]  dump_stack_lvl+0x168/0x230
[  277.571151][ T4715]  ? show_regs_print_info+0x20/0x20
[  277.576400][ T4715]  ? load_image+0x3b0/0x3b0
[  277.581158][ T4715]  sysfs_create_dir_ns+0x252/0x280
[  277.586308][ T4715]  ? __lock_acquire+0x7c60/0x7c60
[  277.591533][ T4715]  ? sysfs_warn_dup+0xa0/0xa0
[  277.596253][ T4715]  ? do_raw_spin_unlock+0x11d/0x230
[  277.601590][ T4715]  kobject_add_internal+0x662/0xd00
[  277.606859][ T4715]  kobject_init_and_add+0x122/0x190
[  277.612227][ T4715]  ? lockdep_softirqs_off+0x420/0x420
[  277.617605][ T4715]  ? kobject_add+0x210/0x210
[  277.622353][ T4715]  ? __init_swait_queue_head+0xa5/0x150
[  277.627942][ T4715]  gfs2_sys_fs_add+0x234/0x480
[  277.632805][ T4715]  ? gfs2_recover_set+0x240/0x240
[  277.637946][ T4715]  ? snprintf+0xd7/0x120
[  277.642287][ T4715]  ? __free_pages+0x95/0x1a0
[  277.646990][ T4715]  ? vscnprintf+0x80/0x80
[  277.651500][ T4715]  gfs2_fill_super+0x128d/0x1f50
[  277.656743][ T4715]  ? gfs2_reconfigure+0xcd0/0xcd0
[  277.661845][ T4715]  ? preempt_count_add+0x8d/0x190
[  277.666993][ T4715]  ? sb_set_blocksize+0xa5/0xe0
[  277.672024][ T4715]  get_tree_bdev+0x3f1/0x610
[  277.676878][ T4715]  ? gfs2_reconfigure+0xcd0/0xcd0
[  277.682002][ T4715]  gfs2_get_tree+0x4d/0x1e0
[  277.686500][ T4715]  vfs_get_tree+0x88/0x270
[  277.690936][ T4715]  do_new_mount+0x24a/0xa40
[  277.695429][ T4715]  __se_sys_mount+0x2d6/0x3c0
[  277.700106][ T4715]  ? __x64_sys_mount+0xc0/0xc0
[  277.704853][ T4715]  ? lockdep_hardirqs_on+0x94/0x140
[  277.710043][ T4715]  ? __x64_sys_mount+0x1c/0xc0
[  277.714867][ T4715]  do_syscall_64+0x4c/0xa0
[  277.719278][ T4715]  ? clear_bhb_loop+0x30/0x80
[  277.723951][ T4715]  ? clear_bhb_loop+0x30/0x80
[  277.728642][ T4715]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  277.734518][ T4715] RIP: 0033:0x7f881341deea
[  277.738950][ T4715] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  277.758947][ T4715] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.767857][ T4715] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  277.775916][ T4715] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  277.783987][ T4715] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  277.793584][ T4715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  277.801649][ T4715] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  277.809814][ T4715]  </TASK>
[  277.814632][ T4715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.829002][ T4715] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.137589][ T4716] loop1: detected capacity change from 0 to 32768
[  278.189165][ T4716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.196606][ T4716] CPU: 1 PID: 4716 Comm: syz.1.196 Not tainted syzkaller #0
[  278.204178][ T4716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.214774][ T4716] Call Trace:
[  278.218206][ T4716]  <TASK>
[  278.221270][ T4716]  dump_stack_lvl+0x168/0x230
[  278.226006][ T4716]  ? show_regs_print_info+0x20/0x20
[  278.231404][ T4716]  ? load_image+0x3b0/0x3b0
[  278.236034][ T4716]  sysfs_create_dir_ns+0x252/0x280
[  278.241386][ T4716]  ? __lock_acquire+0x7c60/0x7c60
[  278.246449][ T4716]  ? sysfs_warn_dup+0xa0/0xa0
[  278.251168][ T4716]  ? do_raw_spin_unlock+0x11d/0x230
[  278.256486][ T4716]  kobject_add_internal+0x662/0xd00
[  278.261726][ T4716]  kobject_init_and_add+0x122/0x190
[  278.267052][ T4716]  ? lockdep_softirqs_off+0x420/0x420
[  278.272803][ T4716]  ? kobject_add+0x210/0x210
[  278.277424][ T4716]  ? __init_swait_queue_head+0xa5/0x150
[  278.283144][ T4716]  gfs2_sys_fs_add+0x234/0x480
[  278.287995][ T4716]  ? gfs2_recover_set+0x240/0x240
[  278.293066][ T4716]  ? snprintf+0xd7/0x120
[  278.297505][ T4716]  ? __free_pages+0x95/0x1a0
[  278.302306][ T4716]  ? vscnprintf+0x80/0x80
[  278.306687][ T4716]  gfs2_fill_super+0x128d/0x1f50
[  278.311683][ T4716]  ? gfs2_reconfigure+0xcd0/0xcd0
[  278.316724][ T4716]  ? preempt_count_add+0x8d/0x190
[  278.321993][ T4716]  ? sb_set_blocksize+0xa5/0xe0
[  278.327238][ T4716]  get_tree_bdev+0x3f1/0x610
[  278.331847][ T4716]  ? gfs2_reconfigure+0xcd0/0xcd0
[  278.336864][ T4716]  gfs2_get_tree+0x4d/0x1e0
[  278.341442][ T4716]  vfs_get_tree+0x88/0x270
[  278.345975][ T4716]  do_new_mount+0x24a/0xa40
[  278.350499][ T4716]  __se_sys_mount+0x2d6/0x3c0
[  278.355298][ T4716]  ? __x64_sys_mount+0xc0/0xc0
[  278.360075][ T4716]  ? lockdep_hardirqs_on+0x94/0x140
[  278.365400][ T4716]  ? __x64_sys_mount+0x1c/0xc0
[  278.370323][ T4716]  do_syscall_64+0x4c/0xa0
[  278.374739][ T4716]  ? clear_bhb_loop+0x30/0x80
[  278.379536][ T4716]  ? clear_bhb_loop+0x30/0x80
[  278.384255][ T4716]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  278.390177][ T4716] RIP: 0033:0x7f881341deea
[  278.394588][ T4716] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  278.414381][ T4716] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.422952][ T4716] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  278.430913][ T4716] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  278.439170][ T4716] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  278.447150][ T4716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  278.455449][ T4716] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  278.463522][ T4716]  </TASK>
[  278.467999][ T4716] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.481176][ T4716] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.821995][ T4717] loop1: detected capacity change from 0 to 32768
[  278.868471][ T4717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.878025][ T4717] CPU: 0 PID: 4717 Comm: syz.1.197 Not tainted syzkaller #0
[  278.885356][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.895551][ T4717] Call Trace:
[  278.899293][ T4717]  <TASK>
[  278.902272][ T4717]  dump_stack_lvl+0x168/0x230
[  278.907183][ T4717]  ? show_regs_print_info+0x20/0x20
[  278.912509][ T4717]  ? load_image+0x3b0/0x3b0
[  278.917151][ T4717]  sysfs_create_dir_ns+0x252/0x280
[  278.922297][ T4717]  ? __lock_acquire+0x7c60/0x7c60
[  278.927459][ T4717]  ? sysfs_warn_dup+0xa0/0xa0
[  278.932546][ T4717]  ? do_raw_spin_unlock+0x11d/0x230
[  278.937780][ T4717]  kobject_add_internal+0x662/0xd00
[  278.943319][ T4717]  kobject_init_and_add+0x122/0x190
[  278.948557][ T4717]  ? lockdep_softirqs_off+0x420/0x420
[  278.954059][ T4717]  ? kobject_add+0x210/0x210
[  278.958682][ T4717]  ? __init_swait_queue_head+0xa5/0x150
[  278.964455][ T4717]  gfs2_sys_fs_add+0x234/0x480
[  278.969421][ T4717]  ? gfs2_recover_set+0x240/0x240
[  278.974508][ T4717]  ? snprintf+0xd7/0x120
[  278.978738][ T4717]  ? __free_pages+0x95/0x1a0
[  278.983337][ T4717]  ? vscnprintf+0x80/0x80
[  278.987770][ T4717]  gfs2_fill_super+0x128d/0x1f50
[  278.992769][ T4717]  ? gfs2_reconfigure+0xcd0/0xcd0
[  278.998022][ T4717]  ? preempt_count_add+0x8d/0x190
[  279.003068][ T4717]  ? sb_set_blocksize+0xa5/0xe0
[  279.008307][ T4717]  get_tree_bdev+0x3f1/0x610
[  279.012986][ T4717]  ? gfs2_reconfigure+0xcd0/0xcd0
[  279.018183][ T4717]  gfs2_get_tree+0x4d/0x1e0
[  279.022971][ T4717]  vfs_get_tree+0x88/0x270
[  279.027637][ T4717]  do_new_mount+0x24a/0xa40
[  279.032325][ T4717]  __se_sys_mount+0x2d6/0x3c0
[  279.037028][ T4717]  ? __x64_sys_mount+0xc0/0xc0
[  279.041866][ T4717]  ? lockdep_hardirqs_on+0x94/0x140
[  279.047133][ T4717]  ? __x64_sys_mount+0x1c/0xc0
[  279.051916][ T4717]  do_syscall_64+0x4c/0xa0
[  279.056555][ T4717]  ? clear_bhb_loop+0x30/0x80
[  279.061214][ T4717]  ? clear_bhb_loop+0x30/0x80
[  279.065898][ T4717]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.072242][ T4717] RIP: 0033:0x7f881341deea
[  279.076649][ T4717] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  279.096587][ T4717] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.105088][ T4717] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  279.113134][ T4717] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  279.121094][ T4717] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  279.129146][ T4717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  279.137206][ T4717] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  279.145173][ T4717]  </TASK>
[  279.149473][ T4717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.163051][ T4717] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.490572][ T4718] loop1: detected capacity change from 0 to 32768
[  279.532726][ T4718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.541584][ T4718] CPU: 1 PID: 4718 Comm: syz.1.198 Not tainted syzkaller #0
[  279.548928][ T4718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.559291][ T4718] Call Trace:
[  279.562601][ T4718]  <TASK>
[  279.565745][ T4718]  dump_stack_lvl+0x168/0x230
[  279.570645][ T4718]  ? show_regs_print_info+0x20/0x20
[  279.575960][ T4718]  ? load_image+0x3b0/0x3b0
[  279.580516][ T4718]  sysfs_create_dir_ns+0x252/0x280
[  279.585847][ T4718]  ? __lock_acquire+0x7c60/0x7c60
[  279.591020][ T4718]  ? sysfs_warn_dup+0xa0/0xa0
[  279.595835][ T4718]  ? do_raw_spin_unlock+0x11d/0x230
[  279.601068][ T4718]  kobject_add_internal+0x662/0xd00
[  279.606301][ T4718]  kobject_init_and_add+0x122/0x190
[  279.611531][ T4718]  ? lockdep_softirqs_off+0x420/0x420
[  279.616938][ T4718]  ? kobject_add+0x210/0x210
[  279.621568][ T4718]  ? __init_swait_queue_head+0xa5/0x150
[  279.627412][ T4718]  gfs2_sys_fs_add+0x234/0x480
[  279.632357][ T4718]  ? gfs2_recover_set+0x240/0x240
[  279.637652][ T4718]  ? snprintf+0xd7/0x120
[  279.641897][ T4718]  ? __free_pages+0x95/0x1a0
[  279.646485][ T4718]  ? vscnprintf+0x80/0x80
[  279.650910][ T4718]  gfs2_fill_super+0x128d/0x1f50
[  279.656032][ T4718]  ? gfs2_reconfigure+0xcd0/0xcd0
[  279.661149][ T4718]  ? preempt_count_add+0x8d/0x190
[  279.666177][ T4718]  ? sb_set_blocksize+0xa5/0xe0
[  279.671033][ T4718]  get_tree_bdev+0x3f1/0x610
[  279.675721][ T4718]  ? gfs2_reconfigure+0xcd0/0xcd0
[  279.680791][ T4718]  gfs2_get_tree+0x4d/0x1e0
[  279.685296][ T4718]  vfs_get_tree+0x88/0x270
[  279.689720][ T4718]  do_new_mount+0x24a/0xa40
[  279.694260][ T4718]  __se_sys_mount+0x2d6/0x3c0
[  279.698942][ T4718]  ? __x64_sys_mount+0xc0/0xc0
[  279.703791][ T4718]  ? lockdep_hardirqs_on+0x94/0x140
[  279.709107][ T4718]  ? __x64_sys_mount+0x1c/0xc0
[  279.713953][ T4718]  do_syscall_64+0x4c/0xa0
[  279.718391][ T4718]  ? clear_bhb_loop+0x30/0x80
[  279.723268][ T4718]  ? clear_bhb_loop+0x30/0x80
[  279.727958][ T4718]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.733866][ T4718] RIP: 0033:0x7f881341deea
[  279.738427][ T4718] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  279.758214][ T4718] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.767109][ T4718] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  279.775161][ T4718] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  279.783112][ T4718] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  279.791163][ T4718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  279.799413][ T4718] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  279.807484][ T4718]  </TASK>
[  279.811835][ T4718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.825946][ T4718] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.149726][ T4719] loop1: detected capacity change from 0 to 32768
[  280.219351][ T4719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.227325][ T4719] CPU: 0 PID: 4719 Comm: syz.1.199 Not tainted syzkaller #0
[  280.234929][ T4719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.245188][ T4719] Call Trace:
[  280.248507][ T4719]  <TASK>
[  280.251553][ T4719]  dump_stack_lvl+0x168/0x230
[  280.256562][ T4719]  ? show_regs_print_info+0x20/0x20
[  280.261995][ T4719]  ? load_image+0x3b0/0x3b0
[  280.266721][ T4719]  sysfs_create_dir_ns+0x252/0x280
[  280.272064][ T4719]  ? __lock_acquire+0x7c60/0x7c60
[  280.277224][ T4719]  ? sysfs_warn_dup+0xa0/0xa0
[  280.282122][ T4719]  ? do_raw_spin_unlock+0x11d/0x230
[  280.287619][ T4719]  kobject_add_internal+0x662/0xd00
[  280.292858][ T4719]  kobject_init_and_add+0x122/0x190
[  280.298252][ T4719]  ? lockdep_softirqs_off+0x420/0x420
[  280.303850][ T4719]  ? kobject_add+0x210/0x210
[  280.308568][ T4719]  ? __init_swait_queue_head+0xa5/0x150
[  280.314423][ T4719]  gfs2_sys_fs_add+0x234/0x480
[  280.319186][ T4719]  ? gfs2_recover_set+0x240/0x240
[  280.324390][ T4719]  ? snprintf+0xd7/0x120
[  280.328790][ T4719]  ? __free_pages+0x95/0x1a0
[  280.333390][ T4719]  ? vscnprintf+0x80/0x80
[  280.337896][ T4719]  gfs2_fill_super+0x128d/0x1f50
[  280.343022][ T4719]  ? gfs2_reconfigure+0xcd0/0xcd0
[  280.348054][ T4719]  ? preempt_count_add+0x8d/0x190
[  280.353098][ T4719]  ? sb_set_blocksize+0xa5/0xe0
[  280.357947][ T4719]  get_tree_bdev+0x3f1/0x610
[  280.362723][ T4719]  ? gfs2_reconfigure+0xcd0/0xcd0
[  280.367759][ T4719]  gfs2_get_tree+0x4d/0x1e0
[  280.372342][ T4719]  vfs_get_tree+0x88/0x270
[  280.376813][ T4719]  do_new_mount+0x24a/0xa40
[  280.381324][ T4719]  __se_sys_mount+0x2d6/0x3c0
[  280.386732][ T4719]  ? __x64_sys_mount+0xc0/0xc0
[  280.391659][ T4719]  ? lockdep_hardirqs_on+0x94/0x140
[  280.397341][ T4719]  ? __x64_sys_mount+0x1c/0xc0
[  280.402231][ T4719]  do_syscall_64+0x4c/0xa0
[  280.406652][ T4719]  ? clear_bhb_loop+0x30/0x80
[  280.411322][ T4719]  ? clear_bhb_loop+0x30/0x80
[  280.416458][ T4719]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  280.422460][ T4719] RIP: 0033:0x7f881341deea
[  280.426985][ T4719] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  280.446727][ T4719] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.455471][ T4719] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  280.463808][ T4719] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  280.472206][ T4719] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  280.480180][ T4719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  280.488267][ T4719] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  280.496339][ T4719]  </TASK>
[  280.504163][ T4719] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.517748][ T4719] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.887814][ T4720] loop1: detected capacity change from 0 to 32768
[  280.941426][ T4720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.948871][ T4720] CPU: 0 PID: 4720 Comm: syz.1.200 Not tainted syzkaller #0
[  280.956208][ T4720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.966502][ T4720] Call Trace:
[  280.969821][ T4720]  <TASK>
[  280.972780][ T4720]  dump_stack_lvl+0x168/0x230
[  280.977517][ T4720]  ? show_regs_print_info+0x20/0x20
[  280.982983][ T4720]  ? load_image+0x3b0/0x3b0
[  280.987547][ T4720]  sysfs_create_dir_ns+0x252/0x280
[  280.992789][ T4720]  ? __lock_acquire+0x7c60/0x7c60
[  280.997982][ T4720]  ? sysfs_warn_dup+0xa0/0xa0
[  281.002704][ T4720]  ? do_raw_spin_unlock+0x11d/0x230
[  281.007947][ T4720]  kobject_add_internal+0x662/0xd00
[  281.013282][ T4720]  kobject_init_and_add+0x122/0x190
[  281.018509][ T4720]  ? lockdep_softirqs_off+0x420/0x420
[  281.023922][ T4720]  ? kobject_add+0x210/0x210
[  281.028565][ T4720]  ? __init_swait_queue_head+0xa5/0x150
[  281.034240][ T4720]  gfs2_sys_fs_add+0x234/0x480
[  281.039035][ T4720]  ? gfs2_recover_set+0x240/0x240
[  281.044064][ T4720]  ? snprintf+0xd7/0x120
[  281.048308][ T4720]  ? __free_pages+0x95/0x1a0
[  281.052946][ T4720]  ? vscnprintf+0x80/0x80
[  281.057325][ T4720]  gfs2_fill_super+0x128d/0x1f50
[  281.062305][ T4720]  ? gfs2_reconfigure+0xcd0/0xcd0
[  281.067359][ T4720]  ? preempt_count_add+0x8d/0x190
[  281.072686][ T4720]  ? sb_set_blocksize+0xa5/0xe0
[  281.077538][ T4720]  get_tree_bdev+0x3f1/0x610
[  281.082211][ T4720]  ? gfs2_reconfigure+0xcd0/0xcd0
[  281.087220][ T4720]  gfs2_get_tree+0x4d/0x1e0
[  281.091714][ T4720]  vfs_get_tree+0x88/0x270
[  281.096129][ T4720]  do_new_mount+0x24a/0xa40
[  281.100700][ T4720]  __se_sys_mount+0x2d6/0x3c0
[  281.105421][ T4720]  ? __x64_sys_mount+0xc0/0xc0
[  281.110285][ T4720]  ? lockdep_hardirqs_on+0x94/0x140
[  281.115578][ T4720]  ? __x64_sys_mount+0x1c/0xc0
[  281.120329][ T4720]  do_syscall_64+0x4c/0xa0
[  281.124810][ T4720]  ? clear_bhb_loop+0x30/0x80
[  281.129466][ T4720]  ? clear_bhb_loop+0x30/0x80
[  281.134239][ T4720]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  281.140209][ T4720] RIP: 0033:0x7f881341deea
[  281.144693][ T4720] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  281.165207][ T4720] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.173620][ T4720] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  281.181610][ T4720] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  281.189662][ T4720] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  281.197822][ T4720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  281.205792][ T4720] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  281.213769][ T4720]  </TASK>
[  281.220788][ T4720] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.234375][ T4720] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 11:57:56 executed programs: 186
[  281.537493][ T4722] loop1: detected capacity change from 0 to 32768
[  281.593003][ T4722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.602380][ T4722] CPU: 1 PID: 4722 Comm: syz.1.201 Not tainted syzkaller #0
[  281.609724][ T4722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.620182][ T4722] Call Trace:
[  281.623662][ T4722]  <TASK>
[  281.626614][ T4722]  dump_stack_lvl+0x168/0x230
[  281.631329][ T4722]  ? show_regs_print_info+0x20/0x20
[  281.636914][ T4722]  ? load_image+0x3b0/0x3b0
[  281.641476][ T4722]  sysfs_create_dir_ns+0x252/0x280
[  281.646746][ T4722]  ? __lock_acquire+0x7c60/0x7c60
[  281.651838][ T4722]  ? sysfs_warn_dup+0xa0/0xa0
[  281.656551][ T4722]  ? do_raw_spin_unlock+0x11d/0x230
[  281.661794][ T4722]  kobject_add_internal+0x662/0xd00
[  281.667225][ T4722]  kobject_init_and_add+0x122/0x190
[  281.672482][ T4722]  ? lockdep_softirqs_off+0x420/0x420
[  281.678015][ T4722]  ? kobject_add+0x210/0x210
[  281.682856][ T4722]  ? __init_swait_queue_head+0xa5/0x150
[  281.688612][ T4722]  gfs2_sys_fs_add+0x234/0x480
[  281.693591][ T4722]  ? gfs2_recover_set+0x240/0x240
[  281.698802][ T4722]  ? snprintf+0xd7/0x120
[  281.703303][ T4722]  ? __free_pages+0x95/0x1a0
[  281.708155][ T4722]  ? vscnprintf+0x80/0x80
[  281.712682][ T4722]  gfs2_fill_super+0x128d/0x1f50
[  281.717648][ T4722]  ? gfs2_reconfigure+0xcd0/0xcd0
[  281.722745][ T4722]  ? preempt_count_add+0x8d/0x190
[  281.727853][ T4722]  ? sb_set_blocksize+0xa5/0xe0
[  281.732892][ T4722]  get_tree_bdev+0x3f1/0x610
[  281.737591][ T4722]  ? gfs2_reconfigure+0xcd0/0xcd0
[  281.743151][ T4722]  gfs2_get_tree+0x4d/0x1e0
[  281.747771][ T4722]  vfs_get_tree+0x88/0x270
[  281.752315][ T4722]  do_new_mount+0x24a/0xa40
[  281.757412][ T4722]  __se_sys_mount+0x2d6/0x3c0
[  281.762178][ T4722]  ? __x64_sys_mount+0xc0/0xc0
[  281.767236][ T4722]  ? lockdep_hardirqs_on+0x94/0x140
[  281.772640][ T4722]  ? __x64_sys_mount+0x1c/0xc0
[  281.777401][ T4722]  do_syscall_64+0x4c/0xa0
[  281.781808][ T4722]  ? clear_bhb_loop+0x30/0x80
[  281.786555][ T4722]  ? clear_bhb_loop+0x30/0x80
[  281.791217][ T4722]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  281.797093][ T4722] RIP: 0033:0x7f881341deea
[  281.801491][ T4722] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  281.821457][ T4722] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.830438][ T4722] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  281.838402][ T4722] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  281.846519][ T4722] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  281.854683][ T4722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  281.862850][ T4722] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  281.871177][ T4722]  </TASK>
[  281.875962][ T4722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.889279][ T4722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.207066][ T4723] loop1: detected capacity change from 0 to 32768
[  282.262872][ T4723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.271804][ T4723] CPU: 1 PID: 4723 Comm: syz.1.202 Not tainted syzkaller #0
[  282.279360][ T4723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.289533][ T4723] Call Trace:
[  282.292850][ T4723]  <TASK>
[  282.295800][ T4723]  dump_stack_lvl+0x168/0x230
[  282.300702][ T4723]  ? show_regs_print_info+0x20/0x20
[  282.306038][ T4723]  ? load_image+0x3b0/0x3b0
[  282.310590][ T4723]  sysfs_create_dir_ns+0x252/0x280
[  282.315822][ T4723]  ? __lock_acquire+0x7c60/0x7c60
[  282.320982][ T4723]  ? sysfs_warn_dup+0xa0/0xa0
[  282.325716][ T4723]  ? do_raw_spin_unlock+0x11d/0x230
[  282.331038][ T4723]  kobject_add_internal+0x662/0xd00
[  282.336454][ T4723]  kobject_init_and_add+0x122/0x190
[  282.341828][ T4723]  ? lockdep_softirqs_off+0x420/0x420
[  282.347361][ T4723]  ? kobject_add+0x210/0x210
[  282.352121][ T4723]  ? __init_swait_queue_head+0xa5/0x150
[  282.357872][ T4723]  gfs2_sys_fs_add+0x234/0x480
[  282.362733][ T4723]  ? gfs2_recover_set+0x240/0x240
[  282.367783][ T4723]  ? snprintf+0xd7/0x120
[  282.372027][ T4723]  ? __free_pages+0x95/0x1a0
[  282.376605][ T4723]  ? vscnprintf+0x80/0x80
[  282.380948][ T4723]  gfs2_fill_super+0x128d/0x1f50
[  282.385926][ T4723]  ? gfs2_reconfigure+0xcd0/0xcd0
[  282.390937][ T4723]  ? preempt_count_add+0x8d/0x190
[  282.395963][ T4723]  ? sb_set_blocksize+0xa5/0xe0
[  282.401231][ T4723]  get_tree_bdev+0x3f1/0x610
[  282.405846][ T4723]  ? gfs2_reconfigure+0xcd0/0xcd0
[  282.410969][ T4723]  gfs2_get_tree+0x4d/0x1e0
[  282.415459][ T4723]  vfs_get_tree+0x88/0x270
[  282.419955][ T4723]  do_new_mount+0x24a/0xa40
[  282.424703][ T4723]  __se_sys_mount+0x2d6/0x3c0
[  282.429403][ T4723]  ? __x64_sys_mount+0xc0/0xc0
[  282.434219][ T4723]  ? lockdep_hardirqs_on+0x94/0x140
[  282.439491][ T4723]  ? __x64_sys_mount+0x1c/0xc0
[  282.444429][ T4723]  do_syscall_64+0x4c/0xa0
[  282.449066][ T4723]  ? clear_bhb_loop+0x30/0x80
[  282.453891][ T4723]  ? clear_bhb_loop+0x30/0x80
[  282.458567][ T4723]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  282.464539][ T4723] RIP: 0033:0x7f881341deea
[  282.469045][ T4723] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  282.489647][ T4723] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.498148][ T4723] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  282.506381][ T4723] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  282.514840][ T4723] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  282.523254][ T4723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  282.531592][ T4723] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  282.539614][ T4723]  </TASK>
[  282.544539][ T4723] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.558725][ T4723] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.908592][ T4725] loop1: detected capacity change from 0 to 32768
[  282.970801][ T4725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.980749][ T4725] CPU: 1 PID: 4725 Comm: syz.1.203 Not tainted syzkaller #0
[  282.988196][ T4725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.998380][ T4725] Call Trace:
[  283.001778][ T4725]  <TASK>
[  283.004864][ T4725]  dump_stack_lvl+0x168/0x230
[  283.009766][ T4725]  ? show_regs_print_info+0x20/0x20
[  283.015087][ T4725]  ? load_image+0x3b0/0x3b0
[  283.019675][ T4725]  sysfs_create_dir_ns+0x252/0x280
[  283.025287][ T4725]  ? __lock_acquire+0x7c60/0x7c60
[  283.030575][ T4725]  ? sysfs_warn_dup+0xa0/0xa0
[  283.035307][ T4725]  ? do_raw_spin_unlock+0x11d/0x230
[  283.040832][ T4725]  kobject_add_internal+0x662/0xd00
[  283.046353][ T4725]  kobject_init_and_add+0x122/0x190
[  283.051684][ T4725]  ? lockdep_softirqs_off+0x420/0x420
[  283.057198][ T4725]  ? kobject_add+0x210/0x210
[  283.061933][ T4725]  ? __init_swait_queue_head+0xa5/0x150
[  283.067544][ T4725]  gfs2_sys_fs_add+0x234/0x480
[  283.072344][ T4725]  ? gfs2_recover_set+0x240/0x240
[  283.077380][ T4725]  ? snprintf+0xd7/0x120
[  283.081716][ T4725]  ? __free_pages+0x95/0x1a0
[  283.086289][ T4725]  ? vscnprintf+0x80/0x80
[  283.090603][ T4725]  gfs2_fill_super+0x128d/0x1f50
[  283.095788][ T4725]  ? gfs2_reconfigure+0xcd0/0xcd0
[  283.101020][ T4725]  ? preempt_count_add+0x8d/0x190
[  283.106420][ T4725]  ? sb_set_blocksize+0xa5/0xe0
[  283.111404][ T4725]  get_tree_bdev+0x3f1/0x610
[  283.116012][ T4725]  ? gfs2_reconfigure+0xcd0/0xcd0
[  283.121222][ T4725]  gfs2_get_tree+0x4d/0x1e0
[  283.126021][ T4725]  vfs_get_tree+0x88/0x270
[  283.130600][ T4725]  do_new_mount+0x24a/0xa40
[  283.135177][ T4725]  __se_sys_mount+0x2d6/0x3c0
[  283.139853][ T4725]  ? __x64_sys_mount+0xc0/0xc0
[  283.144631][ T4725]  ? lockdep_hardirqs_on+0x94/0x140
[  283.149956][ T4725]  ? __x64_sys_mount+0x1c/0xc0
[  283.154838][ T4725]  do_syscall_64+0x4c/0xa0
[  283.159649][ T4725]  ? clear_bhb_loop+0x30/0x80
[  283.164384][ T4725]  ? clear_bhb_loop+0x30/0x80
[  283.169230][ T4725]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.175299][ T4725] RIP: 0033:0x7f881341deea
[  283.180260][ T4725] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  283.200159][ T4725] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.208791][ T4725] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  283.217113][ T4725] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  283.225505][ T4725] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  283.233685][ T4725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  283.241975][ T4725] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  283.250145][ T4725]  </TASK>
[  283.255389][ T4725] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.269130][ T4725] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.269163][ T2360] Bluetooth: hci1: command 0x0406 tx timeout
[  283.606954][ T4727] loop1: detected capacity change from 0 to 32768
[  283.701638][ T4727] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.721442][ T4727] CPU: 1 PID: 4727 Comm: syz.1.204 Not tainted syzkaller #0
[  283.728832][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.739189][ T4727] Call Trace:
[  283.742499][ T4727]  <TASK>
[  283.745543][ T4727]  dump_stack_lvl+0x168/0x230
[  283.750350][ T4727]  ? show_regs_print_info+0x20/0x20
[  283.756309][ T4727]  ? load_image+0x3b0/0x3b0
[  283.761024][ T4727]  sysfs_create_dir_ns+0x252/0x280
[  283.766252][ T4727]  ? __lock_acquire+0x7c60/0x7c60
[  283.771534][ T4727]  ? sysfs_warn_dup+0xa0/0xa0
[  283.776354][ T4727]  ? do_raw_spin_unlock+0x11d/0x230
[  283.781757][ T4727]  kobject_add_internal+0x662/0xd00
[  283.786954][ T4727]  kobject_init_and_add+0x122/0x190
[  283.792420][ T4727]  ? lockdep_softirqs_off+0x420/0x420
[  283.797977][ T4727]  ? kobject_add+0x210/0x210
[  283.802576][ T4727]  ? __init_swait_queue_head+0xa5/0x150
[  283.808375][ T4727]  gfs2_sys_fs_add+0x234/0x480
[  283.813125][ T4727]  ? gfs2_recover_set+0x240/0x240
[  283.818137][ T4727]  ? snprintf+0xd7/0x120
[  283.822358][ T4727]  ? __free_pages+0x95/0x1a0
[  283.826932][ T4727]  ? vscnprintf+0x80/0x80
[  283.831499][ T4727]  gfs2_fill_super+0x128d/0x1f50
[  283.836533][ T4727]  ? gfs2_reconfigure+0xcd0/0xcd0
[  283.841781][ T4727]  ? preempt_count_add+0x8d/0x190
[  283.846837][ T4727]  ? sb_set_blocksize+0xa5/0xe0
[  283.851814][ T4727]  get_tree_bdev+0x3f1/0x610
[  283.856402][ T4727]  ? gfs2_reconfigure+0xcd0/0xcd0
[  283.861429][ T4727]  gfs2_get_tree+0x4d/0x1e0
[  283.865934][ T4727]  vfs_get_tree+0x88/0x270
[  283.870693][ T4727]  do_new_mount+0x24a/0xa40
[  283.875227][ T4727]  __se_sys_mount+0x2d6/0x3c0
[  283.880107][ T4727]  ? __x64_sys_mount+0xc0/0xc0
[  283.884871][ T4727]  ? lockdep_hardirqs_on+0x94/0x140
[  283.890054][ T4727]  ? __x64_sys_mount+0x1c/0xc0
[  283.894799][ T4727]  do_syscall_64+0x4c/0xa0
[  283.899287][ T4727]  ? clear_bhb_loop+0x30/0x80
[  283.904125][ T4727]  ? clear_bhb_loop+0x30/0x80
[  283.908891][ T4727]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.914940][ T4727] RIP: 0033:0x7f881341deea
[  283.919834][ T4727] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  283.939538][ T4727] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.948808][ T4727] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  283.957478][ T4727] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  283.965543][ T4727] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  283.973939][ T4727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  283.981906][ T4727] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  283.990203][ T4727]  </TASK>
[  283.995347][ T4727] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.008544][ T4727] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.349873][ T4729] loop1: detected capacity change from 0 to 32768
[  284.398567][ T4729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.407262][ T4729] CPU: 1 PID: 4729 Comm: syz.1.205 Not tainted syzkaller #0
[  284.415370][ T4729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.425726][ T4729] Call Trace:
[  284.429040][ T4729]  <TASK>
[  284.432047][ T4729]  dump_stack_lvl+0x168/0x230
[  284.436843][ T4729]  ? show_regs_print_info+0x20/0x20
[  284.442433][ T4729]  ? load_image+0x3b0/0x3b0
[  284.447088][ T4729]  sysfs_create_dir_ns+0x252/0x280
[  284.452426][ T4729]  ? __lock_acquire+0x7c60/0x7c60
[  284.457493][ T4729]  ? sysfs_warn_dup+0xa0/0xa0
[  284.462323][ T4729]  ? do_raw_spin_unlock+0x11d/0x230
[  284.467563][ T4729]  kobject_add_internal+0x662/0xd00
[  284.472991][ T4729]  kobject_init_and_add+0x122/0x190
[  284.478227][ T4729]  ? lockdep_softirqs_off+0x420/0x420
[  284.483645][ T4729]  ? kobject_add+0x210/0x210
[  284.488400][ T4729]  ? __init_swait_queue_head+0xa5/0x150
[  284.494674][ T4729]  gfs2_sys_fs_add+0x234/0x480
[  284.499443][ T4729]  ? gfs2_recover_set+0x240/0x240
[  284.504467][ T4729]  ? snprintf+0xd7/0x120
[  284.509177][ T4729]  ? __free_pages+0x95/0x1a0
[  284.513799][ T4729]  ? vscnprintf+0x80/0x80
[  284.518145][ T4729]  gfs2_fill_super+0x128d/0x1f50
[  284.523296][ T4729]  ? gfs2_reconfigure+0xcd0/0xcd0
[  284.528409][ T4729]  ? preempt_count_add+0x8d/0x190
[  284.533514][ T4729]  ? sb_set_blocksize+0xa5/0xe0
[  284.538434][ T4729]  get_tree_bdev+0x3f1/0x610
[  284.543009][ T4729]  ? gfs2_reconfigure+0xcd0/0xcd0
[  284.548299][ T4729]  gfs2_get_tree+0x4d/0x1e0
[  284.552875][ T4729]  vfs_get_tree+0x88/0x270
[  284.558036][ T4729]  do_new_mount+0x24a/0xa40
[  284.562769][ T4729]  __se_sys_mount+0x2d6/0x3c0
[  284.567451][ T4729]  ? __x64_sys_mount+0xc0/0xc0
[  284.572217][ T4729]  ? lockdep_hardirqs_on+0x94/0x140
[  284.577496][ T4729]  ? __x64_sys_mount+0x1c/0xc0
[  284.582265][ T4729]  do_syscall_64+0x4c/0xa0
[  284.586919][ T4729]  ? clear_bhb_loop+0x30/0x80
[  284.591796][ T4729]  ? clear_bhb_loop+0x30/0x80
[  284.596488][ T4729]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.602366][ T4729] RIP: 0033:0x7f881341deea
[  284.606767][ T4729] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  284.626643][ T4729] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.635546][ T4729] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  284.643512][ T4729] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  284.651473][ T4729] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  284.659760][ T4729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  284.667750][ T4729] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  284.675715][ T4729]  </TASK>
[  284.680781][ T4729] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.694186][ T4729] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.030917][ T4731] loop1: detected capacity change from 0 to 32768
[  285.084195][ T4731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.092709][ T4731] CPU: 1 PID: 4731 Comm: syz.1.206 Not tainted syzkaller #0
[  285.100213][ T4731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.110396][ T4731] Call Trace:
[  285.113712][ T4731]  <TASK>
[  285.116840][ T4731]  dump_stack_lvl+0x168/0x230
[  285.121558][ T4731]  ? show_regs_print_info+0x20/0x20
[  285.127059][ T4731]  ? load_image+0x3b0/0x3b0
[  285.131818][ T4731]  sysfs_create_dir_ns+0x252/0x280
[  285.137073][ T4731]  ? __lock_acquire+0x7c60/0x7c60
[  285.142141][ T4731]  ? sysfs_warn_dup+0xa0/0xa0
[  285.146888][ T4731]  ? do_raw_spin_unlock+0x11d/0x230
[  285.152211][ T4731]  kobject_add_internal+0x662/0xd00
[  285.157637][ T4731]  kobject_init_and_add+0x122/0x190
[  285.163153][ T4731]  ? lockdep_softirqs_off+0x420/0x420
[  285.168910][ T4731]  ? kobject_add+0x210/0x210
[  285.173605][ T4731]  ? __init_swait_queue_head+0xa5/0x150
[  285.179231][ T4731]  gfs2_sys_fs_add+0x234/0x480
[  285.184350][ T4731]  ? gfs2_recover_set+0x240/0x240
[  285.189964][ T4731]  ? snprintf+0xd7/0x120
[  285.194245][ T4731]  ? __free_pages+0x95/0x1a0
[  285.198847][ T4731]  ? vscnprintf+0x80/0x80
[  285.203192][ T4731]  gfs2_fill_super+0x128d/0x1f50
[  285.208132][ T4731]  ? gfs2_reconfigure+0xcd0/0xcd0
[  285.213156][ T4731]  ? preempt_count_add+0x8d/0x190
[  285.218199][ T4731]  ? sb_set_blocksize+0xa5/0xe0
[  285.223285][ T4731]  get_tree_bdev+0x3f1/0x610
[  285.227991][ T4731]  ? gfs2_reconfigure+0xcd0/0xcd0
[  285.233208][ T4731]  gfs2_get_tree+0x4d/0x1e0
[  285.237977][ T4731]  vfs_get_tree+0x88/0x270
[  285.242429][ T4731]  do_new_mount+0x24a/0xa40
[  285.247041][ T4731]  __se_sys_mount+0x2d6/0x3c0
[  285.251718][ T4731]  ? __x64_sys_mount+0xc0/0xc0
[  285.256762][ T4731]  ? lockdep_hardirqs_on+0x94/0x140
[  285.262078][ T4731]  ? __x64_sys_mount+0x1c/0xc0
[  285.267291][ T4731]  do_syscall_64+0x4c/0xa0
[  285.271717][ T4731]  ? clear_bhb_loop+0x30/0x80
[  285.276487][ T4731]  ? clear_bhb_loop+0x30/0x80
[  285.281237][ T4731]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  285.287126][ T4731] RIP: 0033:0x7f881341deea
[  285.291543][ T4731] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  285.311814][ T4731] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.320337][ T4731] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  285.328399][ T4731] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  285.336357][ T4731] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  285.344423][ T4731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  285.352386][ T4731] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  285.360539][ T4731]  </TASK>
[  285.365230][ T4731] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.378530][ T4731] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.696923][ T4732] loop1: detected capacity change from 0 to 32768
[  285.765305][ T4732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.773155][ T4732] CPU: 1 PID: 4732 Comm: syz.1.207 Not tainted syzkaller #0
[  285.780828][ T4732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.791092][ T4732] Call Trace:
[  285.794487][ T4732]  <TASK>
[  285.798054][ T4732]  dump_stack_lvl+0x168/0x230
[  285.802778][ T4732]  ? show_regs_print_info+0x20/0x20
[  285.808011][ T4732]  ? load_image+0x3b0/0x3b0
[  285.812569][ T4732]  sysfs_create_dir_ns+0x252/0x280
[  285.817807][ T4732]  ? __lock_acquire+0x7c60/0x7c60
[  285.823045][ T4732]  ? sysfs_warn_dup+0xa0/0xa0
[  285.827846][ T4732]  ? do_raw_spin_unlock+0x11d/0x230
[  285.833363][ T4732]  kobject_add_internal+0x662/0xd00
[  285.838690][ T4732]  kobject_init_and_add+0x122/0x190
[  285.844074][ T4732]  ? lockdep_softirqs_off+0x420/0x420
[  285.849474][ T4732]  ? kobject_add+0x210/0x210
[  285.854411][ T4732]  ? __init_swait_queue_head+0xa5/0x150
[  285.859954][ T4732]  gfs2_sys_fs_add+0x234/0x480
[  285.864730][ T4732]  ? gfs2_recover_set+0x240/0x240
[  285.870073][ T4732]  ? snprintf+0xd7/0x120
[  285.874486][ T4732]  ? __free_pages+0x95/0x1a0
[  285.879069][ T4732]  ? vscnprintf+0x80/0x80
[  285.883401][ T4732]  gfs2_fill_super+0x128d/0x1f50
[  285.888423][ T4732]  ? gfs2_reconfigure+0xcd0/0xcd0
[  285.894069][ T4732]  ? preempt_count_add+0x8d/0x190
[  285.899413][ T4732]  ? sb_set_blocksize+0xa5/0xe0
[  285.904360][ T4732]  get_tree_bdev+0x3f1/0x610
[  285.908944][ T4732]  ? gfs2_reconfigure+0xcd0/0xcd0
[  285.914050][ T4732]  gfs2_get_tree+0x4d/0x1e0
[  285.918681][ T4732]  vfs_get_tree+0x88/0x270
[  285.923256][ T4732]  do_new_mount+0x24a/0xa40
[  285.927839][ T4732]  __se_sys_mount+0x2d6/0x3c0
[  285.932511][ T4732]  ? __x64_sys_mount+0xc0/0xc0
[  285.937260][ T4732]  ? lockdep_hardirqs_on+0x94/0x140
[  285.942591][ T4732]  ? __x64_sys_mount+0x1c/0xc0
[  285.947374][ T4732]  do_syscall_64+0x4c/0xa0
[  285.951800][ T4732]  ? clear_bhb_loop+0x30/0x80
[  285.956571][ T4732]  ? clear_bhb_loop+0x30/0x80
[  285.961439][ T4732]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  285.967428][ T4732] RIP: 0033:0x7f881341deea
[  285.971860][ T4732] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  285.991771][ T4732] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.000260][ T4732] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  286.008264][ T4732] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  286.016235][ T4732] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  286.024193][ T4732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  286.032172][ T4732] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  286.040259][ T4732]  </TASK>
[  286.045448][ T4732] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.059169][ T4732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.387340][ T4733] loop1: detected capacity change from 0 to 32768
[  286.407099][ T4733] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.415044][ T4733] CPU: 0 PID: 4733 Comm: syz.1.208 Not tainted syzkaller #0
[  286.422371][ T4733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.432636][ T4733] Call Trace:
[  286.435960][ T4733]  <TASK>
[  286.438915][ T4733]  dump_stack_lvl+0x168/0x230
[  286.443751][ T4733]  ? show_regs_print_info+0x20/0x20
[  286.448984][ T4733]  ? load_image+0x3b0/0x3b0
[  286.453849][ T4733]  sysfs_create_dir_ns+0x252/0x280
[  286.459004][ T4733]  ? __lock_acquire+0x7c60/0x7c60
[  286.464072][ T4733]  ? sysfs_warn_dup+0xa0/0xa0
[  286.468802][ T4733]  ? do_raw_spin_unlock+0x11d/0x230
[  286.474129][ T4733]  kobject_add_internal+0x662/0xd00
[  286.479383][ T4733]  kobject_init_and_add+0x122/0x190
[  286.484614][ T4733]  ? lockdep_softirqs_off+0x420/0x420
[  286.490362][ T4733]  ? kobject_add+0x210/0x210
[  286.495069][ T4733]  ? __init_swait_queue_head+0xa5/0x150
[  286.500883][ T4733]  gfs2_sys_fs_add+0x234/0x480
[  286.505648][ T4733]  ? gfs2_recover_set+0x240/0x240
[  286.510668][ T4733]  ? snprintf+0xd7/0x120
[  286.514896][ T4733]  ? __free_pages+0x95/0x1a0
[  286.519495][ T4733]  ? vscnprintf+0x80/0x80
[  286.523929][ T4733]  gfs2_fill_super+0x128d/0x1f50
[  286.528861][ T4733]  ? gfs2_reconfigure+0xcd0/0xcd0
[  286.533877][ T4733]  ? preempt_count_add+0x8d/0x190
[  286.539007][ T4733]  ? sb_set_blocksize+0xa5/0xe0
[  286.544050][ T4733]  get_tree_bdev+0x3f1/0x610
[  286.548643][ T4733]  ? gfs2_reconfigure+0xcd0/0xcd0
[  286.553862][ T4733]  gfs2_get_tree+0x4d/0x1e0
[  286.558534][ T4733]  vfs_get_tree+0x88/0x270
[  286.562967][ T4733]  do_new_mount+0x24a/0xa40
[  286.567605][ T4733]  __se_sys_mount+0x2d6/0x3c0
[  286.572318][ T4733]  ? __x64_sys_mount+0xc0/0xc0
[  286.577086][ T4733]  ? lockdep_hardirqs_on+0x94/0x140
[  286.582618][ T4733]  ? __x64_sys_mount+0x1c/0xc0
[  286.587460][ T4733]  do_syscall_64+0x4c/0xa0
[  286.591870][ T4733]  ? clear_bhb_loop+0x30/0x80
[  286.596531][ T4733]  ? clear_bhb_loop+0x30/0x80
[  286.601193][ T4733]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.607193][ T4733] RIP: 0033:0x7f881341deea
[  286.611637][ T4733] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  286.631269][ T4733] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.639758][ T4733] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  286.647714][ T4733] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  286.655685][ T4733] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  286.663686][ T4733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  286.671783][ T4733] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  286.679813][ T4733]  </TASK>
[  286.684139][ T4733] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.697495][ T4733] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/01 11:58:02 executed programs: 194
[  287.016246][ T4735] loop1: detected capacity change from 0 to 32768
[  287.088556][ T4735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.096887][ T4735] CPU: 0 PID: 4735 Comm: syz.1.209 Not tainted syzkaller #0
[  287.104236][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.114418][ T4735] Call Trace:
[  287.117865][ T4735]  <TASK>
[  287.120900][ T4735]  dump_stack_lvl+0x168/0x230
[  287.125630][ T4735]  ? show_regs_print_info+0x20/0x20
[  287.130865][ T4735]  ? load_image+0x3b0/0x3b0
[  287.135527][ T4735]  sysfs_create_dir_ns+0x252/0x280
[  287.140689][ T4735]  ? __lock_acquire+0x7c60/0x7c60
[  287.145841][ T4735]  ? sysfs_warn_dup+0xa0/0xa0
[  287.150562][ T4735]  ? do_raw_spin_unlock+0x11d/0x230
[  287.155796][ T4735]  kobject_add_internal+0x662/0xd00
[  287.161129][ T4735]  kobject_init_and_add+0x122/0x190
[  287.166468][ T4735]  ? lockdep_softirqs_off+0x420/0x420
[  287.171874][ T4735]  ? kobject_add+0x210/0x210
[  287.176636][ T4735]  ? __init_swait_queue_head+0xa5/0x150
[  287.182179][ T4735]  gfs2_sys_fs_add+0x234/0x480
[  287.187013][ T4735]  ? gfs2_recover_set+0x240/0x240
[  287.192050][ T4735]  ? snprintf+0xd7/0x120
[  287.196493][ T4735]  ? __free_pages+0x95/0x1a0
[  287.201142][ T4735]  ? vscnprintf+0x80/0x80
[  287.205526][ T4735]  gfs2_fill_super+0x128d/0x1f50
[  287.210471][ T4735]  ? gfs2_reconfigure+0xcd0/0xcd0
[  287.215706][ T4735]  ? preempt_count_add+0x8d/0x190
[  287.221101][ T4735]  ? sb_set_blocksize+0xa5/0xe0
[  287.226077][ T4735]  get_tree_bdev+0x3f1/0x610
[  287.230795][ T4735]  ? gfs2_reconfigure+0xcd0/0xcd0
[  287.236231][ T4735]  gfs2_get_tree+0x4d/0x1e0
[  287.240746][ T4735]  vfs_get_tree+0x88/0x270
[  287.245246][ T4735]  do_new_mount+0x24a/0xa40
[  287.249863][ T4735]  __se_sys_mount+0x2d6/0x3c0
[  287.254594][ T4735]  ? __x64_sys_mount+0xc0/0xc0
[  287.259474][ T4735]  ? lockdep_hardirqs_on+0x94/0x140
[  287.265010][ T4735]  ? __x64_sys_mount+0x1c/0xc0
[  287.270020][ T4735]  do_syscall_64+0x4c/0xa0
[  287.274419][ T4735]  ? clear_bhb_loop+0x30/0x80
[  287.279086][ T4735]  ? clear_bhb_loop+0x30/0x80
[  287.283848][ T4735]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  287.289828][ T4735] RIP: 0033:0x7f881341deea
[  287.294232][ T4735] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  287.314020][ T4735] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.322867][ T4735] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  287.330855][ T4735] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  287.338916][ T4735] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  287.347161][ T4735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  287.355133][ T4735] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  287.363125][ T4735]  </TASK>
[  287.371174][ T4735] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.384679][ T4735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.706768][ T4736] loop1: detected capacity change from 0 to 32768
[  287.803966][ T4736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.811584][ T4736] CPU: 0 PID: 4736 Comm: syz.1.210 Not tainted syzkaller #0
[  287.819284][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.829600][ T4736] Call Trace:
[  287.833020][ T4736]  <TASK>
[  287.836119][ T4736]  dump_stack_lvl+0x168/0x230
[  287.840933][ T4736]  ? show_regs_print_info+0x20/0x20
[  287.846257][ T4736]  ? load_image+0x3b0/0x3b0
[  287.850986][ T4736]  sysfs_create_dir_ns+0x252/0x280
[  287.856505][ T4736]  ? __lock_acquire+0x7c60/0x7c60
[  287.861808][ T4736]  ? sysfs_warn_dup+0xa0/0xa0
[  287.866776][ T4736]  ? do_raw_spin_unlock+0x11d/0x230
[  287.872183][ T4736]  kobject_add_internal+0x662/0xd00
[  287.877460][ T4736]  kobject_init_and_add+0x122/0x190
[  287.882931][ T4736]  ? lockdep_softirqs_off+0x420/0x420
[  287.888378][ T4736]  ? kobject_add+0x210/0x210
[  287.893045][ T4736]  ? __init_swait_queue_head+0xa5/0x150
[  287.898585][ T4736]  gfs2_sys_fs_add+0x234/0x480
[  287.903345][ T4736]  ? gfs2_recover_set+0x240/0x240
[  287.908611][ T4736]  ? snprintf+0xd7/0x120
[  287.912853][ T4736]  ? __free_pages+0x95/0x1a0
[  287.917444][ T4736]  ? vscnprintf+0x80/0x80
[  287.921774][ T4736]  gfs2_fill_super+0x128d/0x1f50
[  287.926727][ T4736]  ? gfs2_reconfigure+0xcd0/0xcd0
[  287.931767][ T4736]  ? preempt_count_add+0x8d/0x190
[  287.936776][ T4736]  ? sb_set_blocksize+0xa5/0xe0
[  287.941607][ T4736]  get_tree_bdev+0x3f1/0x610
[  287.946275][ T4736]  ? gfs2_reconfigure+0xcd0/0xcd0
[  287.951503][ T4736]  gfs2_get_tree+0x4d/0x1e0
[  287.956971][ T4736]  vfs_get_tree+0x88/0x270
[  287.961375][ T4736]  do_new_mount+0x24a/0xa40
[  287.965890][ T4736]  __se_sys_mount+0x2d6/0x3c0
[  287.970693][ T4736]  ? __x64_sys_mount+0xc0/0xc0
[  287.975460][ T4736]  ? lockdep_hardirqs_on+0x94/0x140
[  287.980653][ T4736]  ? __x64_sys_mount+0x1c/0xc0
[  287.985405][ T4736]  do_syscall_64+0x4c/0xa0
[  287.989893][ T4736]  ? clear_bhb_loop+0x30/0x80
[  287.994646][ T4736]  ? clear_bhb_loop+0x30/0x80
[  287.999403][ T4736]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.005472][ T4736] RIP: 0033:0x7f881341deea
[  288.010139][ T4736] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  288.030178][ T4736] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.038751][ T4736] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  288.046726][ T4736] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  288.054688][ T4736] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  288.062646][ T4736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  288.070829][ T4736] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  288.078932][ T4736]  </TASK>
[  288.091249][ T4736] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.105157][ T4736] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.412967][ T4737] loop1: detected capacity change from 0 to 32768
[  288.479762][ T4737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.487231][ T4737] CPU: 0 PID: 4737 Comm: syz.1.211 Not tainted syzkaller #0
[  288.494819][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.505087][ T4737] Call Trace:
[  288.508413][ T4737]  <TASK>
[  288.511460][ T4737]  dump_stack_lvl+0x168/0x230
[  288.516290][ T4737]  ? show_regs_print_info+0x20/0x20
[  288.521534][ T4737]  ? load_image+0x3b0/0x3b0
[  288.526091][ T4737]  sysfs_create_dir_ns+0x252/0x280
[  288.531433][ T4737]  ? __lock_acquire+0x7c60/0x7c60
[  288.536499][ T4737]  ? sysfs_warn_dup+0xa0/0xa0
[  288.541408][ T4737]  ? do_raw_spin_unlock+0x11d/0x230
[  288.546738][ T4737]  kobject_add_internal+0x662/0xd00
[  288.552013][ T4737]  kobject_init_and_add+0x122/0x190
[  288.557632][ T4737]  ? lockdep_softirqs_off+0x420/0x420
[  288.563070][ T4737]  ? kobject_add+0x210/0x210
[  288.567791][ T4737]  ? __init_swait_queue_head+0xa5/0x150
[  288.573555][ T4737]  gfs2_sys_fs_add+0x234/0x480
[  288.578454][ T4737]  ? gfs2_recover_set+0x240/0x240
[  288.583593][ T4737]  ? snprintf+0xd7/0x120
[  288.587853][ T4737]  ? __free_pages+0x95/0x1a0
[  288.592432][ T4737]  ? vscnprintf+0x80/0x80
[  288.596840][ T4737]  gfs2_fill_super+0x128d/0x1f50
[  288.601870][ T4737]  ? gfs2_reconfigure+0xcd0/0xcd0
[  288.606912][ T4737]  ? preempt_count_add+0x8d/0x190
[  288.612011][ T4737]  ? sb_set_blocksize+0xa5/0xe0
[  288.617098][ T4737]  get_tree_bdev+0x3f1/0x610
[  288.621706][ T4737]  ? gfs2_reconfigure+0xcd0/0xcd0
[  288.626858][ T4737]  gfs2_get_tree+0x4d/0x1e0
[  288.631453][ T4737]  vfs_get_tree+0x88/0x270
[  288.635871][ T4737]  do_new_mount+0x24a/0xa40
[  288.640382][ T4737]  __se_sys_mount+0x2d6/0x3c0
[  288.645086][ T4737]  ? __x64_sys_mount+0xc0/0xc0
[  288.649847][ T4737]  ? lockdep_hardirqs_on+0x94/0x140
[  288.655430][ T4737]  ? __x64_sys_mount+0x1c/0xc0
[  288.660292][ T4737]  do_syscall_64+0x4c/0xa0
[  288.664715][ T4737]  ? clear_bhb_loop+0x30/0x80
[  288.669380][ T4737]  ? clear_bhb_loop+0x30/0x80
[  288.674056][ T4737]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.680024][ T4737] RIP: 0033:0x7f881341deea
[  288.684426][ T4737] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  288.704569][ T4737] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.713238][ T4737] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  288.721492][ T4737] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  288.729453][ T4737] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  288.737738][ T4737] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  288.745926][ T4737] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  288.754100][ T4737]  </TASK>
[  288.758519][ T4737] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.772789][ T4737] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.089284][ T4738] loop1: detected capacity change from 0 to 32768
[  289.140374][ T4738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.148125][ T4738] CPU: 0 PID: 4738 Comm: syz.1.212 Not tainted syzkaller #0
[  289.155710][ T4738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.166160][ T4738] Call Trace:
[  289.169555][ T4738]  <TASK>
[  289.172567][ T4738]  dump_stack_lvl+0x168/0x230
[  289.177380][ T4738]  ? show_regs_print_info+0x20/0x20
[  289.182623][ T4738]  ? load_image+0x3b0/0x3b0
[  289.187182][ T4738]  sysfs_create_dir_ns+0x252/0x280
[  289.192337][ T4738]  ? __lock_acquire+0x7c60/0x7c60
[  289.197485][ T4738]  ? sysfs_warn_dup+0xa0/0xa0
[  289.202306][ T4738]  ? do_raw_spin_unlock+0x11d/0x230
[  289.207567][ T4738]  kobject_add_internal+0x662/0xd00
[  289.213012][ T4738]  kobject_init_and_add+0x122/0x190
[  289.218422][ T4738]  ? lockdep_softirqs_off+0x420/0x420
[  289.223950][ T4738]  ? kobject_add+0x210/0x210
[  289.228576][ T4738]  ? __init_swait_queue_head+0xa5/0x150
[  289.234133][ T4738]  gfs2_sys_fs_add+0x234/0x480
[  289.239179][ T4738]  ? gfs2_recover_set+0x240/0x240
[  289.244380][ T4738]  ? snprintf+0xd7/0x120
[  289.248839][ T4738]  ? __free_pages+0x95/0x1a0
[  289.253687][ T4738]  ? vscnprintf+0x80/0x80
[  289.258121][ T4738]  gfs2_fill_super+0x128d/0x1f50
[  289.263061][ T4738]  ? gfs2_reconfigure+0xcd0/0xcd0
[  289.268075][ T4738]  ? preempt_count_add+0x8d/0x190
[  289.273100][ T4738]  ? sb_set_blocksize+0xa5/0xe0
[  289.277953][ T4738]  get_tree_bdev+0x3f1/0x610
[  289.282710][ T4738]  ? gfs2_reconfigure+0xcd0/0xcd0
[  289.287826][ T4738]  gfs2_get_tree+0x4d/0x1e0
[  289.292358][ T4738]  vfs_get_tree+0x88/0x270
[  289.296770][ T4738]  do_new_mount+0x24a/0xa40
[  289.301287][ T4738]  __se_sys_mount+0x2d6/0x3c0
[  289.306022][ T4738]  ? __x64_sys_mount+0xc0/0xc0
[  289.311007][ T4738]  ? lockdep_hardirqs_on+0x94/0x140
[  289.316215][ T4738]  ? __x64_sys_mount+0x1c/0xc0
[  289.321235][ T4738]  do_syscall_64+0x4c/0xa0
[  289.325770][ T4738]  ? clear_bhb_loop+0x30/0x80
[  289.330433][ T4738]  ? clear_bhb_loop+0x30/0x80
[  289.335277][ T4738]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  289.341215][ T4738] RIP: 0033:0x7f881341deea
[  289.345940][ T4738] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  289.366196][ T4738] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.374863][ T4738] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  289.382826][ T4738] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  289.390810][ T4738] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  289.399103][ T4738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  289.407305][ T4738] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  289.415281][ T4738]  </TASK>
[  289.422729][ T4738] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.436308][ T4738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.744636][ T4739] loop1: detected capacity change from 0 to 32768
[  289.756152][ T4739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.764387][ T4739] CPU: 1 PID: 4739 Comm: syz.1.213 Not tainted syzkaller #0
[  289.771908][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.781995][ T4739] Call Trace:
[  289.785403][ T4739]  <TASK>
[  289.788627][ T4739]  dump_stack_lvl+0x168/0x230
[  289.793347][ T4739]  ? show_regs_print_info+0x20/0x20
[  289.799102][ T4739]  ? load_image+0x3b0/0x3b0
[  289.803830][ T4739]  sysfs_create_dir_ns+0x252/0x280
[  289.808936][ T4739]  ? __lock_acquire+0x7c60/0x7c60
[  289.814116][ T4739]  ? sysfs_warn_dup+0xa0/0xa0
[  289.818953][ T4739]  ? do_raw_spin_unlock+0x11d/0x230
[  289.824291][ T4739]  kobject_add_internal+0x662/0xd00
[  289.829490][ T4739]  kobject_init_and_add+0x122/0x190
[  289.835119][ T4739]  ? lockdep_softirqs_off+0x420/0x420
[  289.840682][ T4739]  ? kobject_add+0x210/0x210
[  289.845284][ T4739]  ? __init_swait_queue_head+0xa5/0x150
[  289.850944][ T4739]  gfs2_sys_fs_add+0x234/0x480
[  289.855822][ T4739]  ? gfs2_recover_set+0x240/0x240
[  289.861184][ T4739]  ? snprintf+0xd7/0x120
[  289.865522][ T4739]  ? __free_pages+0x95/0x1a0
[  289.870199][ T4739]  ? vscnprintf+0x80/0x80
[  289.874704][ T4739]  gfs2_fill_super+0x128d/0x1f50
[  289.879752][ T4739]  ? gfs2_reconfigure+0xcd0/0xcd0
[  289.884821][ T4739]  ? preempt_count_add+0x8d/0x190
[  289.889949][ T4739]  ? sb_set_blocksize+0xa5/0xe0
[  289.894960][ T4739]  get_tree_bdev+0x3f1/0x610
[  289.899538][ T4739]  ? gfs2_reconfigure+0xcd0/0xcd0
[  289.904669][ T4739]  gfs2_get_tree+0x4d/0x1e0
[  289.909239][ T4739]  vfs_get_tree+0x88/0x270
[  289.913784][ T4739]  do_new_mount+0x24a/0xa40
[  289.918473][ T4739]  __se_sys_mount+0x2d6/0x3c0
[  289.923231][ T4739]  ? __x64_sys_mount+0xc0/0xc0
[  289.928067][ T4739]  ? lockdep_hardirqs_on+0x94/0x140
[  289.933269][ T4739]  ? __x64_sys_mount+0x1c/0xc0
[  289.938011][ T4739]  do_syscall_64+0x4c/0xa0
[  289.942406][ T4739]  ? clear_bhb_loop+0x30/0x80
[  289.947150][ T4739]  ? clear_bhb_loop+0x30/0x80
[  289.951977][ T4739]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  289.957945][ T4739] RIP: 0033:0x7f881341deea
[  289.962340][ T4739] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  289.982370][ T4739] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.990962][ T4739] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  289.999187][ T4739] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  290.007433][ T4739] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  290.015388][ T4739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  290.023448][ T4739] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  290.031418][ T4739]  </TASK>
[  290.035784][ T4739] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.049151][ T4739] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.348179][ T4740] loop1: detected capacity change from 0 to 32768
[  290.401049][ T4740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.408490][ T4740] CPU: 1 PID: 4740 Comm: syz.1.214 Not tainted syzkaller #0
[  290.415820][ T4740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.426131][ T4740] Call Trace:
[  290.429446][ T4740]  <TASK>
[  290.432493][ T4740]  dump_stack_lvl+0x168/0x230
[  290.437321][ T4740]  ? show_regs_print_info+0x20/0x20
[  290.442915][ T4740]  ? load_image+0x3b0/0x3b0
[  290.447543][ T4740]  sysfs_create_dir_ns+0x252/0x280
[  290.453060][ T4740]  ? __lock_acquire+0x7c60/0x7c60
[  290.458303][ T4740]  ? sysfs_warn_dup+0xa0/0xa0
[  290.463035][ T4740]  ? do_raw_spin_unlock+0x11d/0x230
[  290.468365][ T4740]  kobject_add_internal+0x662/0xd00
[  290.473667][ T4740]  kobject_init_and_add+0x122/0x190
[  290.479012][ T4740]  ? lockdep_softirqs_off+0x420/0x420
[  290.484700][ T4740]  ? kobject_add+0x210/0x210
[  290.489418][ T4740]  ? __init_swait_queue_head+0xa5/0x150
[  290.495005][ T4740]  gfs2_sys_fs_add+0x234/0x480
[  290.499874][ T4740]  ? gfs2_recover_set+0x240/0x240
[  290.505025][ T4740]  ? snprintf+0xd7/0x120
[  290.509460][ T4740]  ? __free_pages+0x95/0x1a0
[  290.514087][ T4740]  ? vscnprintf+0x80/0x80
[  290.518536][ T4740]  gfs2_fill_super+0x128d/0x1f50
[  290.523475][ T4740]  ? gfs2_reconfigure+0xcd0/0xcd0
[  290.528513][ T4740]  ? preempt_count_add+0x8d/0x190
[  290.533521][ T4740]  ? sb_set_blocksize+0xa5/0xe0
[  290.538379][ T4740]  get_tree_bdev+0x3f1/0x610
[  290.542958][ T4740]  ? gfs2_reconfigure+0xcd0/0xcd0
[  290.548492][ T4740]  gfs2_get_tree+0x4d/0x1e0
[  290.553049][ T4740]  vfs_get_tree+0x88/0x270
[  290.557566][ T4740]  do_new_mount+0x24a/0xa40
[  290.562272][ T4740]  __se_sys_mount+0x2d6/0x3c0
[  290.567259][ T4740]  ? __x64_sys_mount+0xc0/0xc0
[  290.572721][ T4740]  ? lockdep_hardirqs_on+0x94/0x140
[  290.578007][ T4740]  ? __x64_sys_mount+0x1c/0xc0
[  290.582866][ T4740]  do_syscall_64+0x4c/0xa0
[  290.587397][ T4740]  ? clear_bhb_loop+0x30/0x80
[  290.592060][ T4740]  ? clear_bhb_loop+0x30/0x80
[  290.596998][ T4740]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  290.602987][ T4740] RIP: 0033:0x7f881341deea
[  290.607403][ T4740] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  290.627189][ T4740] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.635758][ T4740] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  290.643734][ T4740] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  290.651786][ T4740] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  290.660019][ T4740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  290.668223][ T4740] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  290.676284][ T4740]  </TASK>
[  290.681816][ T4740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.695165][ T4740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.993242][ T4741] loop1: detected capacity change from 0 to 32768
[  291.093242][ T4741] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.101082][ T4741] CPU: 1 PID: 4741 Comm: syz.1.215 Not tainted syzkaller #0
[  291.108488][ T4741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  291.118884][ T4741] Call Trace:
[  291.122203][ T4741]  <TASK>
[  291.125339][ T4741]  dump_stack_lvl+0x168/0x230
[  291.130064][ T4741]  ? show_regs_print_info+0x20/0x20
[  291.135477][ T4741]  ? load_image+0x3b0/0x3b0
[  291.140027][ T4741]  sysfs_create_dir_ns+0x252/0x280
[  291.145178][ T4741]  ? __lock_acquire+0x7c60/0x7c60
[  291.150370][ T4741]  ? sysfs_warn_dup+0xa0/0xa0
[  291.155036][ T4741]  ? do_raw_spin_unlock+0x11d/0x230
[  291.160401][ T4741]  kobject_add_internal+0x662/0xd00
[  291.165785][ T4741]  kobject_init_and_add+0x122/0x190
[  291.171189][ T4741]  ? lockdep_softirqs_off+0x420/0x420
[  291.176676][ T4741]  ? kobject_add+0x210/0x210
[  291.181396][ T4741]  ? __init_swait_queue_head+0xa5/0x150
[  291.187250][ T4741]  gfs2_sys_fs_add+0x234/0x480
[  291.192033][ T4741]  ? gfs2_recover_set+0x240/0x240
[  291.197039][ T4741]  ? snprintf+0xd7/0x120
[  291.201267][ T4741]  ? __free_pages+0x95/0x1a0
[  291.205933][ T4741]  ? vscnprintf+0x80/0x80
[  291.210340][ T4741]  gfs2_fill_super+0x128d/0x1f50
[  291.215434][ T4741]  ? gfs2_reconfigure+0xcd0/0xcd0
[  291.220800][ T4741]  ? preempt_count_add+0x8d/0x190
[  291.225995][ T4741]  ? sb_set_blocksize+0xa5/0xe0
[  291.231195][ T4741]  get_tree_bdev+0x3f1/0x610
[  291.236121][ T4741]  ? gfs2_reconfigure+0xcd0/0xcd0
[  291.241369][ T4741]  gfs2_get_tree+0x4d/0x1e0
[  291.245903][ T4741]  vfs_get_tree+0x88/0x270
[  291.250826][ T4741]  do_new_mount+0x24a/0xa40
[  291.255835][ T4741]  __se_sys_mount+0x2d6/0x3c0
[  291.260524][ T4741]  ? __x64_sys_mount+0xc0/0xc0
[  291.265387][ T4741]  ? lockdep_hardirqs_on+0x94/0x140
[  291.270718][ T4741]  ? __x64_sys_mount+0x1c/0xc0
[  291.275654][ T4741]  do_syscall_64+0x4c/0xa0
[  291.280143][ T4741]  ? clear_bhb_loop+0x30/0x80
[  291.284908][ T4741]  ? clear_bhb_loop+0x30/0x80
[  291.289763][ T4741]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  291.295911][ T4741] RIP: 0033:0x7f881341deea
[  291.300436][ T4741] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  291.320331][ T4741] RSP: 002b:00007ffec8cc7ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.328760][ T4741] RAX: ffffffffffffffda RBX: 00007ffec8cc7f50 RCX: 00007f881341deea
[  291.337120][ T4741] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffec8cc7f10
[  291.345370][ T4741] RBP: 00002000000124c0 R08: 00007ffec8cc7f50 R09: 0000000000000000
[  291.353438][ T4741] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  291.361578][ T4741] R13: 00007ffec8cc7f10 R14: 00000000000125ad R15: 0000200000000000
[  291.369551][ T4741]  </TASK>
[  291.375133][   T27] INFO: task kworker/0:1H:263 blocked for more than 143 seconds.
[  291.381017][ T4741] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.383439][   T27]       Not tainted syzkaller #0
[  291.398554][ T4741] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.402285][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  291.417663][   T27] task:kworker/0:1H    state:D stack:27328 pid:  263 ppid:     2 flags:0x00004000
[  291.427598][   T27] Workqueue: glock_workqueue glock_work_func
[  291.433626][   T27] Call Trace:
[  291.436996][   T27]  <TASK>
[  291.440062][   T27]  __schedule+0x11bb/0x4390
[  291.444755][   T27]  ? mark_lock+0x94/0x320
[  291.449839][   T27]  ? release_firmware_map_entry+0x190/0x190
[  291.456069][   T27]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[  291.462388][   T27]  ? _raw_spin_lock_irq+0xab/0xe0
[  291.467425][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
[  291.472659][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  291.478218][   T27]  schedule+0x11b/0x1e0
[  291.483063][   T27]  rwsem_down_write_slowpath+0xc46/0x11f0
[  291.489391][   T27]  ? rwsem_write_trylock+0x1b0/0x1b0
[  291.494754][   T27]  ? rwsem_write_trylock+0x12f/0x1b0
[  291.500662][   T27]  ? do_xmote+0x354/0x1120
[  291.505213][   T27]  freeze_super+0x44/0x420
[  291.509702][   T27]  freeze_go_sync+0x179/0x340
[  291.514573][   T27]  do_xmote+0x387/0x1120
[  291.518809][   T27]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  291.524834][   T27]  glock_work_func+0x25e/0x470
[  291.529671][   T27]  process_one_work+0x863/0x1000
[  291.534653][   T27]  ? worker_detach_from_pool+0x240/0x240
[  291.540852][   T27]  ? lockdep_hardirqs_off+0x70/0x100
[  291.546159][   T27]  ? _raw_spin_lock_irq+0xab/0xe0
[  291.551304][   T27]  ? _raw_spin_lock_irqsave+0xf0/0xf0
[  291.556770][   T27]  ? wq_worker_running+0x97/0x170
[  291.561846][   T27]  worker_thread+0xaa8/0x12a0
[  291.566543][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x100
[  291.572735][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  291.578719][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  291.584522][   T27]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  291.591246][   T27]  kthread+0x436/0x520
[  291.595349][   T27]  ? rcu_lock_release+0x20/0x20
[  291.600357][   T27]  ? kthread_blkcg+0xd0/0xd0
[  291.605228][   T27]  ret_from_fork+0x1f/0x30
[  291.609742][   T27]  </TASK>
[  291.612888][   T27] INFO: task syz.0.17:4435 blocked for more than 143 seconds.
[  291.620924][   T27]       Not tainted syzkaller #0
[  291.626047][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  291.634936][   T27] task:syz.0.17        state:D stack:24208 pid: 4435 ppid:  4348 flags:0x00004004
[  291.644363][   T27] Call Trace:
[  291.647757][   T27]  <TASK>
[  291.650864][   T27]  __schedule+0x11bb/0x4390
[  291.655433][   T27]  ? verify_lock_unused+0x140/0x140
[  291.660751][   T27]  ? release_firmware_map_entry+0x190/0x190
[  291.666655][   T27]  ? verify_lock_unused+0x140/0x140
[  291.671907][   T27]  schedule+0x11b/0x1e0
[  291.676084][   T27]  schedule_timeout+0x97/0x280
[  291.680875][   T27]  ? console_conditional_schedule+0x40/0x40
[  291.686793][   T27]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[  291.692888][   T27]  ? lock_chain_count+0x20/0x20
[  291.697832][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
[  291.703820][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  291.709340][   T27]  do_wait_for_common+0x29a/0x440
[  291.714407][   T27]  ? console_conditional_schedule+0x40/0x40
[  291.720561][   T27]  ? wait_for_completion_killable_timeout+0x60/0x60
[  291.727366][   T27]  ? _raw_spin_lock_irq+0xab/0xe0
[  291.732873][   T27]  ? _raw_spin_lock_irqsave+0xf0/0xf0
[  291.738282][   T27]  ? flush_workqueue_prep_pwqs+0x420/0x480
[  291.744311][   T27]  wait_for_completion+0x48/0x60
[  291.749613][   T27]  flush_workqueue+0x63a/0x1380
[  291.754703][   T27]  ? __lock_acquire+0x7c60/0x7c60
[  291.759796][   T27]  ? do_raw_spin_unlock+0x11d/0x230
[  291.765463][   T27]  ? rcu_work_rcufn+0x110/0x110
[  291.770458][   T27]  ? glock_hash_walk+0x161/0x1b0
[  291.775656][   T27]  ? lock_chain_count+0x20/0x20
[  291.780529][   T27]  gfs2_gl_hash_clear+0xbf/0x2f0
[  291.785585][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x100
[  291.791701][   T27]  ? thaw_glock+0x150/0x150
[  291.796296][   T27]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  291.802513][   T27]  ? _raw_spin_unlock+0x40/0x40
[  291.807670][   T27]  ? gfs2_glock_dq_uninit+0xfa/0x110
[  291.813317][   T27]  gfs2_fill_super+0x167d/0x1f50
[  291.818347][   T27]  ? gfs2_reconfigure+0xcd0/0xcd0
[  291.823632][   T27]  ? preempt_count_add+0x8d/0x190
[  291.829184][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  291.834089][   T27]  get_tree_bdev+0x3f1/0x610
[  291.838703][   T27]  ? gfs2_reconfigure+0xcd0/0xcd0
[  291.843969][   T27]  gfs2_get_tree+0x4d/0x1e0
[  291.848495][   T27]  vfs_get_tree+0x88/0x270
[  291.853179][   T27]  do_new_mount+0x24a/0xa40
[  291.857730][   T27]  __se_sys_mount+0x2d6/0x3c0
[  291.862763][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  291.867990][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  291.873331][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  291.878222][   T27]  do_syscall_64+0x4c/0xa0
[  291.882905][   T27]  ? clear_bhb_loop+0x30/0x80
[  291.887674][   T27]  ? clear_bhb_loop+0x30/0x80
[  291.892461][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  291.898376][   T27] RIP: 0033:0x7fe2ad7bbeea
[  291.902856][   T27] RSP: 002b:00007ffda8531438 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.911480][   T27] RAX: ffffffffffffffda RBX: 00007ffda85314c0 RCX: 00007fe2ad7bbeea
[  291.919635][   T27] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007ffda8531480
[  291.927700][   T27] RBP: 00002000000124c0 R08: 00007ffda85314c0 R09: 0000000000000000
[  291.935868][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  291.943890][   T27] R13: 00007ffda8531480 R14: 00000000000125ad R15: 0000200000000000
[  291.952051][   T27]  </TASK>
[  291.955092][   T27] 
[  291.955092][   T27] Showing all locks held in the system:
[  291.963134][   T27] 1 lock held by khungtaskd/27:
[  291.968048][   T27]  #0: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  291.978045][   T27] 3 locks held by kworker/0:1H/263:
[  291.983637][   T27]  #0: ffff888140f91d38 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[  291.995837][   T27]  #1: ffffc9000257fd00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[  292.008203][   T27]  #2: ffff88805d4300e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: freeze_super+0x44/0x420
[  292.018243][   T27] 1 lock held by klogd/3550:
[  292.022873][   T27]  #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[  292.032823][   T27] 2 locks held by getty/3947:
[  292.037579][   T27]  #0: ffff88802c679098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  292.047382][   T27]  #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[  292.057530][   T27] 1 lock held by syz.0.17/4435:
[  292.062777][   T27]  #0: ffff88805d4300e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[  292.073354][   T27] 1 lock held by syz.1.215/4741:
[  292.078381][   T27]  #0: ffff888147681468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[  292.088964][   T27] 
[  292.091387][   T27] =============================================
[  292.091387][   T27] 
[  292.100076][   T27] NMI backtrace for cpu 1
[  292.104690][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  292.112070][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.122348][   T27] Call Trace:
[  292.125754][   T27]  <TASK>
[  292.128803][   T27]  dump_stack_lvl+0x168/0x230
[  292.133743][   T27]  ? show_regs_print_info+0x20/0x20
[  292.139061][   T27]  ? load_image+0x3b0/0x3b0
[  292.143597][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  292.149002][   T27]  ? nmi_cpu_backtrace+0x1b6/0x3d0
[  292.154194][   T27]  nmi_cpu_backtrace+0x397/0x3d0
[  292.159421][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  292.165802][   T27]  ? _printk+0xcc/0x110
[  292.170168][   T27]  ? load_image+0x3b0/0x3b0
[  292.174703][   T27]  ? load_image+0x3b0/0x3b0
[  292.179244][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  292.185611][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  292.191616][   T27]  watchdog+0xe0f/0xe50
[  292.195907][   T27]  kthread+0x436/0x520
[  292.200026][   T27]  ? hungtask_pm_notify+0x40/0x40
[  292.205082][   T27]  ? kthread_blkcg+0xd0/0xd0
[  292.209798][   T27]  ret_from_fork+0x1f/0x30
[  292.214281][   T27]  </TASK>
[  292.217963][   T27] Sending NMI from CPU 1 to CPUs 0:
[  292.223466][    C0] NMI backtrace for cpu 0
[  292.223481][    C0] CPU: 0 PID: 4289 Comm: kworker/0:7 Not tainted syzkaller #0
[  292.223498][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.223507][    C0] Workqueue: events_power_efficient wg_ratelimiter_gc_entries
[  292.223531][    C0] RIP: 0010:lock_acquire+0x5d/0x3f0
[  292.223552][    C0] Code: 04 25 28 00 00 00 48 89 84 24 c0 00 00 00 49 bf 00 00 00 00 00 fc ff df 48 c7 44 24 60 b3 8a b5 41 48 c7 44 24 68 cc 5c 9b 8b <48> c7 44 24 70 f0 f9 5b 81 4c 8d 6c 24 60 49 c1 ed 03 48 b8 f1 f1
[  292.223565][    C0] RSP: 0018:ffffc9000308faa0 EFLAGS: 00000286
[  292.223577][    C0] RAX: 90175e9c84fb4100 RBX: 0000000000000000 RCX: 0000000000000000
[  292.223588][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8ca60978
[  292.223598][    C0] RBP: ffffc9000308fbc0 R08: 0000000000000001 R09: 0000000000000000
[  292.223608][    C0] R10: fffffbfff194c12d R11: 1ffffffff194c12c R12: ffffffff8ca60978
[  292.223619][    C0] R13: ffff8880249eca18 R14: 0000000000001070 R15: dffffc0000000000
[  292.223630][    C0] FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  292.223643][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2026/01/01 11:58:07 executed programs: 201
[  292.223653][    C0] CR2: 0000555568258608 CR3: 000000002a9b3000 CR4: 00000000003506f0
[  292.223669][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  292.223679][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  292.223688][    C0] Call Trace:
[  292.223694][    C0]  <TASK>
[  292.223704][    C0]  ? wg_ratelimiter_gc_entries+0x380/0x450
[  292.223720][    C0]  ? __might_sleep+0xf0/0xf0
[  292.223734][    C0]  ? __lock_acquire+0x7c60/0x7c60
[  292.223750][    C0]  ? __rwlock_init+0x140/0x140
[  292.223763][    C0]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[  292.223783][    C0]  _raw_spin_lock+0x2a/0x40
[  292.223798][    C0]  ? wg_ratelimiter_gc_entries+0x59/0x450
[  292.223819][    C0]  wg_ratelimiter_gc_entries+0x59/0x450
[  292.223836][    C0]  process_one_work+0x863/0x1000
[  292.223858][    C0]  ? worker_detach_from_pool+0x240/0x240
[  292.223872][    C0]  ? lockdep_hardirqs_off+0x70/0x100
[  292.223890][    C0]  ? _raw_spin_lock_irq+0xab/0xe0
[  292.223904][    C0]  ? _raw_spin_lock_irqsave+0xf0/0xf0
[  292.223919][    C0]  ? wq_worker_running+0x97/0x170
[  292.223933][    C0]  worker_thread+0xaa8/0x12a0
[  292.223959][    C0]  kthread+0x436/0x520
[  292.223971][    C0]  ? rcu_lock_release+0x20/0x20
[  292.223985][    C0]  ? kthread_blkcg+0xd0/0xd0
[  292.223998][    C0]  ret_from_fork+0x1f/0x30
[  292.224021][    C0]  </TASK>
[  292.236092][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  292.484874][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  292.492226][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.503189][   T27] Call Trace:
[  292.506577][   T27]  <TASK>
[  292.509626][   T27]  dump_stack_lvl+0x168/0x230
[  292.514370][   T27]  ? show_regs_print_info+0x20/0x20
[  292.519800][   T27]  ? load_image+0x3b0/0x3b0
[  292.524351][   T27]  panic+0x2c9/0x7f0
[  292.528285][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  292.534051][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  292.538639][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  292.544318][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  292.550532][   T27]  watchdog+0xe4e/0xe50
[  292.554816][   T27]  kthread+0x436/0x520
[  292.558990][   T27]  ? hungtask_pm_notify+0x40/0x40
[  292.564042][   T27]  ? kthread_blkcg+0xd0/0xd0
[  292.568768][   T27]  ret_from_fork+0x1f/0x30
[  292.569018][ T4742] loop1: detected capacity change from 0 to 32768
[  292.573532][   T27]  </TASK>
[  292.583157][   T27] Kernel Offset: disabled
[  292.587580][   T27] Rebooting in 86400 seconds..