S Google 08/18/2025
[  353.174878][ T4516] Call Trace:
[  353.178189][ T4516]  <TASK>
[  353.181144][ T4516]  dump_stack_lvl+0x168/0x230
[  353.185871][ T4516]  ? show_regs_print_info+0x20/0x20
[  353.191110][ T4516]  ? load_image+0x3b0/0x3b0
[  353.195671][ T4516]  sysfs_create_dir_ns+0x252/0x280
[  353.200819][ T4516]  ? __lock_acquire+0x7c60/0x7c60
[  353.205880][ T4516]  ? sysfs_warn_dup+0xa0/0xa0
[  353.210740][ T4516]  ? do_raw_spin_unlock+0x11d/0x230
[  353.216064][ T4516]  kobject_add_internal+0x662/0xd00
[  353.221313][ T4516]  kobject_init_and_add+0x122/0x190
[  353.226575][ T4516]  ? lockdep_softirqs_off+0x420/0x420
[  353.232036][ T4516]  ? kobject_add+0x210/0x210
[  353.236667][ T4516]  ? __init_swait_queue_head+0xa5/0x150
[  353.242252][ T4516]  gfs2_sys_fs_add+0x234/0x480
[  353.247055][ T4516]  ? gfs2_recover_set+0x240/0x240
[  353.252114][ T4516]  ? snprintf+0xd7/0x120
[  353.256394][ T4516]  ? __free_pages+0x95/0x1a0
[  353.261203][ T4516]  ? vscnprintf+0x80/0x80
[  353.265575][ T4516]  gfs2_fill_super+0x128d/0x1f50
[  353.270543][ T4516]  ? gfs2_reconfigure+0xcd0/0xcd0
[  353.275768][ T4516]  ? preempt_count_add+0x8d/0x190
[  353.280806][ T4516]  ? sb_set_blocksize+0xa5/0xe0
[  353.285674][ T4516]  get_tree_bdev+0x3f1/0x610
[  353.290273][ T4516]  ? gfs2_reconfigure+0xcd0/0xcd0
[  353.295314][ T4516]  gfs2_get_tree+0x4d/0x1e0
[  353.300007][ T4516]  vfs_get_tree+0x88/0x270
[  353.304443][ T4516]  do_new_mount+0x24a/0xa40
[  353.309131][ T4516]  __se_sys_mount+0x2d6/0x3c0
[  353.313903][ T4516]  ? __x64_sys_mount+0xc0/0xc0
[  353.318675][ T4516]  ? lockdep_hardirqs_on+0x94/0x140
[  353.323920][ T4516]  ? __x64_sys_mount+0x1c/0xc0
[  353.328692][ T4516]  do_syscall_64+0x4c/0xa0
[  353.333111][ T4516]  ? clear_bhb_loop+0x30/0x80
[  353.337798][ T4516]  ? clear_bhb_loop+0x30/0x80
[  353.342938][ T4516]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  353.348834][ T4516] RIP: 0033:0x7f15ce1bb34a
[  353.353267][ T4516] 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
[  353.372981][ T4516] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  353.381401][ T4516] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  353.389656][ T4516] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  353.397648][ T4516] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  353.405643][ T4516] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  353.413624][ T4516] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  353.421624][ T4516]  </TASK>
[  353.425679][ T4516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  353.438897][ T4516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  353.809935][ T4517] loop1: detected capacity change from 0 to 32768
[  353.919503][ T4517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  353.927047][ T4517] CPU: 1 PID: 4517 Comm: syz.1.162 Not tainted syzkaller #0
[  353.934550][ T4517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  353.944638][ T4517] Call Trace:
[  353.947944][ T4517]  <TASK>
[  353.951037][ T4517]  dump_stack_lvl+0x168/0x230
[  353.955759][ T4517]  ? show_regs_print_info+0x20/0x20
[  353.960996][ T4517]  ? load_image+0x3b0/0x3b0
[  353.965694][ T4517]  sysfs_create_dir_ns+0x252/0x280
[  353.971111][ T4517]  ? __lock_acquire+0x7c60/0x7c60
[  353.976178][ T4517]  ? sysfs_warn_dup+0xa0/0xa0
[  353.980898][ T4517]  ? do_raw_spin_unlock+0x11d/0x230
[  353.986135][ T4517]  kobject_add_internal+0x662/0xd00
[  353.991371][ T4517]  kobject_init_and_add+0x122/0x190
[  353.996600][ T4517]  ? lockdep_softirqs_off+0x420/0x420
[  354.002006][ T4517]  ? kobject_add+0x210/0x210
[  354.006624][ T4517]  ? __init_swait_queue_head+0xa5/0x150
[  354.012188][ T4517]  gfs2_sys_fs_add+0x234/0x480
[  354.016959][ T4517]  ? gfs2_recover_set+0x240/0x240
[  354.021989][ T4517]  ? snprintf+0xd7/0x120
[  354.026243][ T4517]  ? __free_pages+0x95/0x1a0
[  354.030849][ T4517]  ? vscnprintf+0x80/0x80
[  354.035206][ T4517]  gfs2_fill_super+0x128d/0x1f50
[  354.040161][ T4517]  ? gfs2_reconfigure+0xcd0/0xcd0
[  354.045198][ T4517]  ? preempt_count_add+0x8d/0x190
[  354.050233][ T4517]  ? sb_set_blocksize+0xa5/0xe0
[  354.055097][ T4517]  get_tree_bdev+0x3f1/0x610
[  354.059694][ T4517]  ? gfs2_reconfigure+0xcd0/0xcd0
[  354.064822][ T4517]  gfs2_get_tree+0x4d/0x1e0
[  354.069452][ T4517]  vfs_get_tree+0x88/0x270
[  354.073893][ T4517]  do_new_mount+0x24a/0xa40
[  354.078448][ T4517]  __se_sys_mount+0x2d6/0x3c0
[  354.083138][ T4517]  ? __x64_sys_mount+0xc0/0xc0
[  354.087983][ T4517]  ? lockdep_hardirqs_on+0x94/0x140
[  354.093204][ T4517]  ? __x64_sys_mount+0x1c/0xc0
[  354.097974][ T4517]  do_syscall_64+0x4c/0xa0
[  354.102410][ T4517]  ? clear_bhb_loop+0x30/0x80
[  354.107104][ T4517]  ? clear_bhb_loop+0x30/0x80
[  354.111891][ T4517]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  354.117802][ T4517] RIP: 0033:0x7f15ce1bb34a
[  354.122252][ T4517] 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
[  354.142063][ T4517] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  354.150489][ T4517] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  354.158556][ T4517] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  354.166985][ T4517] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  354.174992][ T4517] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  354.183001][ T4517] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  354.191196][ T4517]  </TASK>
[  354.195025][ T4517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  354.208728][ T4517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  354.610271][ T4518] loop1: detected capacity change from 0 to 32768
[  354.667502][ T4518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  354.676256][ T4518] CPU: 0 PID: 4518 Comm: syz.1.163 Not tainted syzkaller #0
[  354.683700][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  354.693793][ T4518] Call Trace:
[  354.697104][ T4518]  <TASK>
[  354.700243][ T4518]  dump_stack_lvl+0x168/0x230
[  354.704980][ T4518]  ? show_regs_print_info+0x20/0x20
[  354.710223][ T4518]  ? load_image+0x3b0/0x3b0
[  354.714997][ T4518]  sysfs_create_dir_ns+0x252/0x280
[  354.720167][ T4518]  ? __lock_acquire+0x7c60/0x7c60
[  354.725235][ T4518]  ? sysfs_warn_dup+0xa0/0xa0
[  354.729983][ T4518]  ? do_raw_spin_unlock+0x11d/0x230
[  354.735223][ T4518]  kobject_add_internal+0x662/0xd00
[  354.740523][ T4518]  kobject_init_and_add+0x122/0x190
[  354.745759][ T4518]  ? lockdep_softirqs_off+0x420/0x420
[  354.751208][ T4518]  ? kobject_add+0x210/0x210
[  354.755881][ T4518]  ? __init_swait_queue_head+0xa5/0x150
[  354.761469][ T4518]  gfs2_sys_fs_add+0x234/0x480
[  354.766267][ T4518]  ? gfs2_recover_set+0x240/0x240
[  354.771324][ T4518]  ? snprintf+0xd7/0x120
[  354.775573][ T4518]  ? __free_pages+0x95/0x1a0
[  354.780174][ T4518]  ? vscnprintf+0x80/0x80
[  354.784729][ T4518]  gfs2_fill_super+0x128d/0x1f50
[  354.789692][ T4518]  ? gfs2_reconfigure+0xcd0/0xcd0
[  354.794721][ T4518]  ? preempt_count_add+0x8d/0x190
[  354.799761][ T4518]  ? sb_set_blocksize+0xa5/0xe0
[  354.804649][ T4518]  get_tree_bdev+0x3f1/0x610
[  354.809258][ T4518]  ? gfs2_reconfigure+0xcd0/0xcd0
[  354.814308][ T4518]  gfs2_get_tree+0x4d/0x1e0
[  354.819037][ T4518]  vfs_get_tree+0x88/0x270
[  354.823490][ T4518]  do_new_mount+0x24a/0xa40
[  354.828028][ T4518]  __se_sys_mount+0x2d6/0x3c0
[  354.832721][ T4518]  ? __x64_sys_mount+0xc0/0xc0
[  354.837496][ T4518]  ? lockdep_hardirqs_on+0x94/0x140
[  354.842718][ T4518]  ? __x64_sys_mount+0x1c/0xc0
[  354.847628][ T4518]  do_syscall_64+0x4c/0xa0
[  354.852074][ T4518]  ? clear_bhb_loop+0x30/0x80
[  354.856771][ T4518]  ? clear_bhb_loop+0x30/0x80
[  354.861823][ T4518]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  354.867738][ T4518] RIP: 0033:0x7f15ce1bb34a
[  354.872169][ T4518] 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
[  354.891786][ T4518] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  354.900210][ T4518] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  354.908192][ T4518] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  354.916191][ T4518] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  354.924259][ T4518] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  354.932241][ T4518] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  354.940239][ T4518]  </TASK>
[  354.951013][ T4518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  354.964517][ T4518] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  355.325976][ T4519] loop1: detected capacity change from 0 to 32768
[  355.373050][ T4519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  355.386696][ T4519] CPU: 1 PID: 4519 Comm: syz.1.164 Not tainted syzkaller #0
[  355.394352][ T4519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  355.404444][ T4519] Call Trace:
[  355.407764][ T4519]  <TASK>
[  355.410725][ T4519]  dump_stack_lvl+0x168/0x230
[  355.415474][ T4519]  ? show_regs_print_info+0x20/0x20
[  355.420801][ T4519]  ? load_image+0x3b0/0x3b0
[  355.425358][ T4519]  sysfs_create_dir_ns+0x252/0x280
[  355.430598][ T4519]  ? __lock_acquire+0x7c60/0x7c60
[  355.435659][ T4519]  ? sysfs_warn_dup+0xa0/0xa0
[  355.440382][ T4519]  ? do_raw_spin_unlock+0x11d/0x230
[  355.445616][ T4519]  kobject_add_internal+0x662/0xd00
[  355.450952][ T4519]  kobject_init_and_add+0x122/0x190
[  355.456276][ T4519]  ? lockdep_softirqs_off+0x420/0x420
[  355.461695][ T4519]  ? kobject_add+0x210/0x210
[  355.466330][ T4519]  ? __init_swait_queue_head+0xa5/0x150
[  355.471931][ T4519]  gfs2_sys_fs_add+0x234/0x480
[  355.476750][ T4519]  ? gfs2_recover_set+0x240/0x240
[  355.481906][ T4519]  ? snprintf+0xd7/0x120
[  355.486211][ T4519]  ? __free_pages+0x95/0x1a0
[  355.490835][ T4519]  ? vscnprintf+0x80/0x80
[  355.495262][ T4519]  gfs2_fill_super+0x128d/0x1f50
[  355.500258][ T4519]  ? gfs2_reconfigure+0xcd0/0xcd0
[  355.505308][ T4519]  ? preempt_count_add+0x8d/0x190
[  355.510352][ T4519]  ? sb_set_blocksize+0xa5/0xe0
[  355.515217][ T4519]  get_tree_bdev+0x3f1/0x610
[  355.519816][ T4519]  ? gfs2_reconfigure+0xcd0/0xcd0
[  355.524865][ T4519]  gfs2_get_tree+0x4d/0x1e0
[  355.529373][ T4519]  vfs_get_tree+0x88/0x270
[  355.533795][ T4519]  do_new_mount+0x24a/0xa40
[  355.538317][ T4519]  __se_sys_mount+0x2d6/0x3c0
[  355.543024][ T4519]  ? __x64_sys_mount+0xc0/0xc0
[  355.547797][ T4519]  ? lockdep_hardirqs_on+0x94/0x140
[  355.552990][ T4519]  ? __x64_sys_mount+0x1c/0xc0
[  355.557760][ T4519]  do_syscall_64+0x4c/0xa0
[  355.562187][ T4519]  ? clear_bhb_loop+0x30/0x80
[  355.566861][ T4519]  ? clear_bhb_loop+0x30/0x80
[  355.571537][ T4519]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  355.577440][ T4519] RIP: 0033:0x7f15ce1bb34a
[  355.581870][ T4519] 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
[  355.601570][ T4519] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  355.610077][ T4519] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  355.618060][ T4519] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  355.626056][ T4519] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  355.634059][ T4519] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  355.642036][ T4519] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  355.650032][ T4519]  </TASK>
[  355.654214][ T4519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  355.667505][ T4519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  356.032785][ T4520] loop1: detected capacity change from 0 to 32768
[  356.088513][ T4520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  356.095952][ T4520] CPU: 1 PID: 4520 Comm: syz.1.165 Not tainted syzkaller #0
[  356.103282][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  356.113536][ T4520] Call Trace:
[  356.116844][ T4520]  <TASK>
[  356.119811][ T4520]  dump_stack_lvl+0x168/0x230
[  356.124622][ T4520]  ? show_regs_print_info+0x20/0x20
[  356.129859][ T4520]  ? load_image+0x3b0/0x3b0
[  356.134412][ T4520]  sysfs_create_dir_ns+0x252/0x280
[  356.139693][ T4520]  ? __lock_acquire+0x7c60/0x7c60
[  356.144803][ T4520]  ? sysfs_warn_dup+0xa0/0xa0
[  356.149531][ T4520]  ? do_raw_spin_unlock+0x11d/0x230
[  356.154807][ T4520]  kobject_add_internal+0x662/0xd00
[  356.160069][ T4520]  kobject_init_and_add+0x122/0x190
[  356.165301][ T4520]  ? lockdep_softirqs_off+0x420/0x420
[  356.170721][ T4520]  ? kobject_add+0x210/0x210
[  356.175459][ T4520]  ? __init_swait_queue_head+0xa5/0x150
[  356.181040][ T4520]  gfs2_sys_fs_add+0x234/0x480
[  356.185882][ T4520]  ? gfs2_recover_set+0x240/0x240
[  356.190921][ T4520]  ? snprintf+0xd7/0x120
[  356.195190][ T4520]  ? __free_pages+0x95/0x1a0
[  356.199920][ T4520]  ? vscnprintf+0x80/0x80
[  356.204314][ T4520]  gfs2_fill_super+0x128d/0x1f50
[  356.209295][ T4520]  ? gfs2_reconfigure+0xcd0/0xcd0
[  356.214330][ T4520]  ? preempt_count_add+0x8d/0x190
[  356.219508][ T4520]  ? sb_set_blocksize+0xa5/0xe0
[  356.224374][ T4520]  get_tree_bdev+0x3f1/0x610
[  356.228977][ T4520]  ? gfs2_reconfigure+0xcd0/0xcd0
[  356.234144][ T4520]  gfs2_get_tree+0x4d/0x1e0
[  356.238674][ T4520]  vfs_get_tree+0x88/0x270
[  356.243109][ T4520]  do_new_mount+0x24a/0xa40
[  356.247670][ T4520]  __se_sys_mount+0x2d6/0x3c0
[  356.252384][ T4520]  ? __x64_sys_mount+0xc0/0xc0
[  356.257266][ T4520]  ? lockdep_hardirqs_on+0x94/0x140
[  356.262566][ T4520]  ? __x64_sys_mount+0x1c/0xc0
[  356.267452][ T4520]  do_syscall_64+0x4c/0xa0
[  356.271952][ T4520]  ? clear_bhb_loop+0x30/0x80
[  356.276643][ T4520]  ? clear_bhb_loop+0x30/0x80
[  356.281335][ T4520]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  356.287235][ T4520] RIP: 0033:0x7f15ce1bb34a
[  356.291656][ T4520] 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
[  356.311278][ T4520] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  356.320066][ T4520] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  356.328052][ T4520] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  356.336059][ T4520] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  356.344261][ T4520] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  356.352581][ T4520] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  356.360580][ T4520]  </TASK>
[  356.364538][ T4520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  356.378259][ T4520] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/18 11:20:06 executed programs: 151
[  356.766026][ T4522] loop1: detected capacity change from 0 to 32768
[  356.816385][ T4522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  356.825193][ T4522] CPU: 1 PID: 4522 Comm: syz.1.166 Not tainted syzkaller #0
[  356.832532][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  356.842738][ T4522] Call Trace:
[  356.846058][ T4522]  <TASK>
[  356.849030][ T4522]  dump_stack_lvl+0x168/0x230
[  356.853872][ T4522]  ? show_regs_print_info+0x20/0x20
[  356.859137][ T4522]  ? load_image+0x3b0/0x3b0
[  356.863691][ T4522]  sysfs_create_dir_ns+0x252/0x280
[  356.868838][ T4522]  ? __lock_acquire+0x7c60/0x7c60
[  356.873925][ T4522]  ? sysfs_warn_dup+0xa0/0xa0
[  356.878692][ T4522]  ? do_raw_spin_unlock+0x11d/0x230
[  356.883933][ T4522]  kobject_add_internal+0x662/0xd00
[  356.889183][ T4522]  kobject_init_and_add+0x122/0x190
[  356.894443][ T4522]  ? lockdep_softirqs_off+0x420/0x420
[  356.899853][ T4522]  ? kobject_add+0x210/0x210
[  356.904487][ T4522]  ? __init_swait_queue_head+0xa5/0x150
[  356.910078][ T4522]  gfs2_sys_fs_add+0x234/0x480
[  356.914881][ T4522]  ? gfs2_recover_set+0x240/0x240
[  356.919944][ T4522]  ? snprintf+0xd7/0x120
[  356.924242][ T4522]  ? __free_pages+0x95/0x1a0
[  356.928887][ T4522]  ? vscnprintf+0x80/0x80
[  356.933266][ T4522]  gfs2_fill_super+0x128d/0x1f50
[  356.938255][ T4522]  ? gfs2_reconfigure+0xcd0/0xcd0
[  356.943620][ T4522]  ? preempt_count_add+0x8d/0x190
[  356.948674][ T4522]  ? sb_set_blocksize+0xa5/0xe0
[  356.953546][ T4522]  get_tree_bdev+0x3f1/0x610
[  356.958152][ T4522]  ? gfs2_reconfigure+0xcd0/0xcd0
[  356.963218][ T4522]  gfs2_get_tree+0x4d/0x1e0
[  356.967730][ T4522]  vfs_get_tree+0x88/0x270
[  356.972157][ T4522]  do_new_mount+0x24a/0xa40
[  356.976762][ T4522]  __se_sys_mount+0x2d6/0x3c0
[  356.981458][ T4522]  ? __x64_sys_mount+0xc0/0xc0
[  356.986269][ T4522]  ? lockdep_hardirqs_on+0x94/0x140
[  356.991486][ T4522]  ? __x64_sys_mount+0x1c/0xc0
[  356.996273][ T4522]  do_syscall_64+0x4c/0xa0
[  357.000695][ T4522]  ? clear_bhb_loop+0x30/0x80
[  357.005410][ T4522]  ? clear_bhb_loop+0x30/0x80
[  357.010110][ T4522]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  357.016043][ T4522] RIP: 0033:0x7f15ce1bb34a
[  357.020505][ T4522] 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
[  357.040516][ T4522] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  357.049080][ T4522] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  357.057074][ T4522] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  357.065050][ T4522] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  357.073027][ T4522] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  357.081012][ T4522] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  357.089004][ T4522]  </TASK>
[  357.092790][ T4522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  357.106182][ T4522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  357.497747][ T4523] loop1: detected capacity change from 0 to 32768
[  357.550315][ T4523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  357.559166][ T4523] CPU: 0 PID: 4523 Comm: syz.1.167 Not tainted syzkaller #0
[  357.566501][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  357.576602][ T4523] Call Trace:
[  357.580026][ T4523]  <TASK>
[  357.583249][ T4523]  dump_stack_lvl+0x168/0x230
[  357.587974][ T4523]  ? show_regs_print_info+0x20/0x20
[  357.593240][ T4523]  ? load_image+0x3b0/0x3b0
[  357.597815][ T4523]  sysfs_create_dir_ns+0x252/0x280
[  357.603428][ T4523]  ? __lock_acquire+0x7c60/0x7c60
[  357.608600][ T4523]  ? sysfs_warn_dup+0xa0/0xa0
[  357.613326][ T4523]  ? do_raw_spin_unlock+0x11d/0x230
[  357.618570][ T4523]  kobject_add_internal+0x662/0xd00
[  357.623812][ T4523]  kobject_init_and_add+0x122/0x190
[  357.629163][ T4523]  ? lockdep_softirqs_off+0x420/0x420
[  357.634758][ T4523]  ? kobject_add+0x210/0x210
[  357.639403][ T4523]  ? __init_swait_queue_head+0xa5/0x150
[  357.644992][ T4523]  gfs2_sys_fs_add+0x234/0x480
[  357.649792][ T4523]  ? gfs2_recover_set+0x240/0x240
[  357.654896][ T4523]  ? snprintf+0xd7/0x120
[  357.659181][ T4523]  ? __free_pages+0x95/0x1a0
[  357.663927][ T4523]  ? vscnprintf+0x80/0x80
[  357.668365][ T4523]  gfs2_fill_super+0x128d/0x1f50
[  357.673321][ T4523]  ? gfs2_reconfigure+0xcd0/0xcd0
[  357.678359][ T4523]  ? preempt_count_add+0x8d/0x190
[  357.683432][ T4523]  ? sb_set_blocksize+0xa5/0xe0
[  357.688383][ T4523]  get_tree_bdev+0x3f1/0x610
[  357.693079][ T4523]  ? gfs2_reconfigure+0xcd0/0xcd0
[  357.698119][ T4523]  gfs2_get_tree+0x4d/0x1e0
[  357.702832][ T4523]  vfs_get_tree+0x88/0x270
[  357.707354][ T4523]  do_new_mount+0x24a/0xa40
[  357.711900][ T4523]  __se_sys_mount+0x2d6/0x3c0
[  357.716600][ T4523]  ? __x64_sys_mount+0xc0/0xc0
[  357.721458][ T4523]  ? lockdep_hardirqs_on+0x94/0x140
[  357.726904][ T4523]  ? __x64_sys_mount+0x1c/0xc0
[  357.731704][ T4523]  do_syscall_64+0x4c/0xa0
[  357.736311][ T4523]  ? clear_bhb_loop+0x30/0x80
[  357.741003][ T4523]  ? clear_bhb_loop+0x30/0x80
[  357.745692][ T4523]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  357.751783][ T4523] RIP: 0033:0x7f15ce1bb34a
[  357.756218][ T4523] 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
[  357.776149][ T4523] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  357.784876][ T4523] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  357.792878][ T4523] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  357.800948][ T4523] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  357.808931][ T4523] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  357.817082][ T4523] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  357.825281][ T4523]  </TASK>
[  357.830436][ T4523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  357.843955][ T4523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  358.233469][ T4526] loop1: detected capacity change from 0 to 32768
[  358.321497][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  358.337530][ T4526] CPU: 0 PID: 4526 Comm: syz.1.168 Not tainted syzkaller #0
[  358.344887][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  358.354982][ T4526] Call Trace:
[  358.358305][ T4526]  <TASK>
[  358.361269][ T4526]  dump_stack_lvl+0x168/0x230
[  358.365991][ T4526]  ? show_regs_print_info+0x20/0x20
[  358.371263][ T4526]  ? load_image+0x3b0/0x3b0
[  358.375812][ T4526]  sysfs_create_dir_ns+0x252/0x280
[  358.380971][ T4526]  ? __lock_acquire+0x7c60/0x7c60
[  358.386029][ T4526]  ? sysfs_warn_dup+0xa0/0xa0
[  358.390804][ T4526]  ? do_raw_spin_unlock+0x11d/0x230
[  358.396022][ T4526]  kobject_add_internal+0x662/0xd00
[  358.401327][ T4526]  kobject_init_and_add+0x122/0x190
[  358.406538][ T4526]  ? lockdep_softirqs_off+0x420/0x420
[  358.411926][ T4526]  ? kobject_add+0x210/0x210
[  358.416527][ T4526]  ? __init_swait_queue_head+0xa5/0x150
[  358.422079][ T4526]  gfs2_sys_fs_add+0x234/0x480
[  358.426848][ T4526]  ? gfs2_recover_set+0x240/0x240
[  358.431896][ T4526]  ? snprintf+0xd7/0x120
[  358.436148][ T4526]  ? __free_pages+0x95/0x1a0
[  358.440743][ T4526]  ? vscnprintf+0x80/0x80
[  358.445085][ T4526]  gfs2_fill_super+0x128d/0x1f50
[  358.450049][ T4526]  ? gfs2_reconfigure+0xcd0/0xcd0
[  358.455101][ T4526]  ? preempt_count_add+0x8d/0x190
[  358.460401][ T4526]  ? sb_set_blocksize+0xa5/0xe0
[  358.465514][ T4526]  get_tree_bdev+0x3f1/0x610
[  358.470196][ T4526]  ? gfs2_reconfigure+0xcd0/0xcd0
[  358.475230][ T4526]  gfs2_get_tree+0x4d/0x1e0
[  358.479920][ T4526]  vfs_get_tree+0x88/0x270
[  358.484349][ T4526]  do_new_mount+0x24a/0xa40
[  358.488878][ T4526]  __se_sys_mount+0x2d6/0x3c0
[  358.493575][ T4526]  ? __x64_sys_mount+0xc0/0xc0
[  358.498372][ T4526]  ? lockdep_hardirqs_on+0x94/0x140
[  358.503593][ T4526]  ? __x64_sys_mount+0x1c/0xc0
[  358.508490][ T4526]  do_syscall_64+0x4c/0xa0
[  358.512917][ T4526]  ? clear_bhb_loop+0x30/0x80
[  358.517638][ T4526]  ? clear_bhb_loop+0x30/0x80
[  358.522548][ T4526]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  358.528457][ T4526] RIP: 0033:0x7f15ce1bb34a
[  358.532876][ T4526] 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
[  358.552954][ T4526] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  358.561572][ T4526] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  358.569740][ T4526] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  358.577740][ T4526] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  358.585817][ T4526] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  358.593798][ T4526] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  358.601880][ T4526]  </TASK>
[  358.609521][ T4526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  358.623020][ T4526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  359.020600][ T4527] loop1: detected capacity change from 0 to 32768
[  359.066930][ T4527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  359.074472][ T4527] CPU: 0 PID: 4527 Comm: syz.1.169 Not tainted syzkaller #0
[  359.081784][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  359.092306][ T4527] Call Trace:
[  359.095623][ T4527]  <TASK>
[  359.098621][ T4527]  dump_stack_lvl+0x168/0x230
[  359.103521][ T4527]  ? show_regs_print_info+0x20/0x20
[  359.108857][ T4527]  ? load_image+0x3b0/0x3b0
[  359.113419][ T4527]  sysfs_create_dir_ns+0x252/0x280
[  359.118942][ T4527]  ? __lock_acquire+0x7c60/0x7c60
[  359.124007][ T4527]  ? sysfs_warn_dup+0xa0/0xa0
[  359.128767][ T4527]  ? do_raw_spin_unlock+0x11d/0x230
[  359.134097][ T4527]  kobject_add_internal+0x662/0xd00
[  359.139340][ T4527]  kobject_init_and_add+0x122/0x190
[  359.144591][ T4527]  ? lockdep_softirqs_off+0x420/0x420
[  359.150044][ T4527]  ? kobject_add+0x210/0x210
[  359.154681][ T4527]  ? __init_swait_queue_head+0xa5/0x150
[  359.160364][ T4527]  gfs2_sys_fs_add+0x234/0x480
[  359.165262][ T4527]  ? gfs2_recover_set+0x240/0x240
[  359.170327][ T4527]  ? snprintf+0xd7/0x120
[  359.174624][ T4527]  ? __free_pages+0x95/0x1a0
[  359.179457][ T4527]  ? vscnprintf+0x80/0x80
[  359.184035][ T4527]  gfs2_fill_super+0x128d/0x1f50
[  359.189040][ T4527]  ? gfs2_reconfigure+0xcd0/0xcd0
[  359.194095][ T4527]  ? preempt_count_add+0x8d/0x190
[  359.199256][ T4527]  ? sb_set_blocksize+0xa5/0xe0
[  359.204259][ T4527]  get_tree_bdev+0x3f1/0x610
[  359.208866][ T4527]  ? gfs2_reconfigure+0xcd0/0xcd0
[  359.213906][ T4527]  gfs2_get_tree+0x4d/0x1e0
[  359.218447][ T4527]  vfs_get_tree+0x88/0x270
[  359.222923][ T4527]  do_new_mount+0x24a/0xa40
[  359.227491][ T4527]  __se_sys_mount+0x2d6/0x3c0
[  359.232246][ T4527]  ? __x64_sys_mount+0xc0/0xc0
[  359.237177][ T4527]  ? lockdep_hardirqs_on+0x94/0x140
[  359.242383][ T4527]  ? __x64_sys_mount+0x1c/0xc0
[  359.247289][ T4527]  do_syscall_64+0x4c/0xa0
[  359.251739][ T4527]  ? clear_bhb_loop+0x30/0x80
[  359.256452][ T4527]  ? clear_bhb_loop+0x30/0x80
[  359.261324][ T4527]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  359.267238][ T4527] RIP: 0033:0x7f15ce1bb34a
[  359.271753][ T4527] 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
[  359.291393][ T4527] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  359.299823][ T4527] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  359.307803][ T4527] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  359.315801][ T4527] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  359.323787][ T4527] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  359.331773][ T4527] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  359.339802][ T4527]  </TASK>
[  359.349415][ T4527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  359.363225][ T4527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  359.739020][ T4529] loop1: detected capacity change from 0 to 32768
[  359.786708][ T4529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  359.794213][ T4529] CPU: 0 PID: 4529 Comm: syz.1.170 Not tainted syzkaller #0
[  359.801563][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  359.811665][ T4529] Call Trace:
[  359.814985][ T4529]  <TASK>
[  359.817946][ T4529]  dump_stack_lvl+0x168/0x230
[  359.822661][ T4529]  ? show_regs_print_info+0x20/0x20
[  359.828006][ T4529]  ? load_image+0x3b0/0x3b0
[  359.832565][ T4529]  sysfs_create_dir_ns+0x252/0x280
[  359.837713][ T4529]  ? __lock_acquire+0x7c60/0x7c60
[  359.843298][ T4529]  ? sysfs_warn_dup+0xa0/0xa0
[  359.848019][ T4529]  ? do_raw_spin_unlock+0x11d/0x230
[  359.853256][ T4529]  kobject_add_internal+0x662/0xd00
[  359.858495][ T4529]  kobject_init_and_add+0x122/0x190
[  359.863740][ T4529]  ? lockdep_softirqs_off+0x420/0x420
[  359.869153][ T4529]  ? kobject_add+0x210/0x210
[  359.874010][ T4529]  ? __init_swait_queue_head+0xa5/0x150
[  359.879657][ T4529]  gfs2_sys_fs_add+0x234/0x480
[  359.884459][ T4529]  ? gfs2_recover_set+0x240/0x240
[  359.889512][ T4529]  ? snprintf+0xd7/0x120
[  359.893803][ T4529]  ? __free_pages+0x95/0x1a0
[  359.898434][ T4529]  ? vscnprintf+0x80/0x80
[  359.902839][ T4529]  gfs2_fill_super+0x128d/0x1f50
[  359.907795][ T4529]  ? gfs2_reconfigure+0xcd0/0xcd0
[  359.912833][ T4529]  ? preempt_count_add+0x8d/0x190
[  359.917870][ T4529]  ? sb_set_blocksize+0xa5/0xe0
[  359.922745][ T4529]  get_tree_bdev+0x3f1/0x610
[  359.927361][ T4529]  ? gfs2_reconfigure+0xcd0/0xcd0
[  359.932409][ T4529]  gfs2_get_tree+0x4d/0x1e0
[  359.936922][ T4529]  vfs_get_tree+0x88/0x270
[  359.941415][ T4529]  do_new_mount+0x24a/0xa40
[  359.945951][ T4529]  __se_sys_mount+0x2d6/0x3c0
[  359.950654][ T4529]  ? __x64_sys_mount+0xc0/0xc0
[  359.955456][ T4529]  ? lockdep_hardirqs_on+0x94/0x140
[  359.960838][ T4529]  ? __x64_sys_mount+0x1c/0xc0
[  359.965631][ T4529]  do_syscall_64+0x4c/0xa0
[  359.970079][ T4529]  ? clear_bhb_loop+0x30/0x80
[  359.974765][ T4529]  ? clear_bhb_loop+0x30/0x80
[  359.979450][ T4529]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  359.985350][ T4529] RIP: 0033:0x7f15ce1bb34a
[  359.989788][ T4529] 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
[  360.009405][ T4529] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  360.017829][ T4529] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  360.025805][ T4529] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  360.033780][ T4529] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  360.041766][ T4529] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  360.049868][ T4529] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  360.057882][ T4529]  </TASK>
[  360.063404][ T4529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.076631][ T4529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  360.491487][ T4531] loop1: detected capacity change from 0 to 32768
[  360.503418][ T4531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  360.517496][ T4531] CPU: 0 PID: 4531 Comm: syz.1.171 Not tainted syzkaller #0
[  360.524846][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  360.534937][ T4531] Call Trace:
[  360.538255][ T4531]  <TASK>
[  360.541215][ T4531]  dump_stack_lvl+0x168/0x230
[  360.545937][ T4531]  ? show_regs_print_info+0x20/0x20
[  360.551257][ T4531]  ? load_image+0x3b0/0x3b0
[  360.555819][ T4531]  sysfs_create_dir_ns+0x252/0x280
[  360.561106][ T4531]  ? __lock_acquire+0x7c60/0x7c60
[  360.566161][ T4531]  ? sysfs_warn_dup+0xa0/0xa0
[  360.570973][ T4531]  ? do_raw_spin_unlock+0x11d/0x230
[  360.576180][ T4531]  kobject_add_internal+0x662/0xd00
[  360.581416][ T4531]  kobject_init_and_add+0x122/0x190
[  360.586860][ T4531]  ? lockdep_softirqs_off+0x420/0x420
[  360.592242][ T4531]  ? kobject_add+0x210/0x210
[  360.596878][ T4531]  ? __init_swait_queue_head+0xa5/0x150
[  360.602662][ T4531]  gfs2_sys_fs_add+0x234/0x480
[  360.607496][ T4531]  ? gfs2_recover_set+0x240/0x240
[  360.612560][ T4531]  ? snprintf+0xd7/0x120
[  360.616930][ T4531]  ? __free_pages+0x95/0x1a0
[  360.621545][ T4531]  ? vscnprintf+0x80/0x80
[  360.625989][ T4531]  gfs2_fill_super+0x128d/0x1f50
[  360.630956][ T4531]  ? gfs2_reconfigure+0xcd0/0xcd0
[  360.635998][ T4531]  ? preempt_count_add+0x8d/0x190
[  360.641244][ T4531]  ? sb_set_blocksize+0xa5/0xe0
[  360.646118][ T4531]  get_tree_bdev+0x3f1/0x610
[  360.650725][ T4531]  ? gfs2_reconfigure+0xcd0/0xcd0
[  360.655765][ T4531]  gfs2_get_tree+0x4d/0x1e0
[  360.660384][ T4531]  vfs_get_tree+0x88/0x270
[  360.664829][ T4531]  do_new_mount+0x24a/0xa40
[  360.669362][ T4531]  __se_sys_mount+0x2d6/0x3c0
[  360.674128][ T4531]  ? __x64_sys_mount+0xc0/0xc0
[  360.679011][ T4531]  ? lockdep_hardirqs_on+0x94/0x140
[  360.684239][ T4531]  ? __x64_sys_mount+0x1c/0xc0
[  360.689014][ T4531]  do_syscall_64+0x4c/0xa0
[  360.693446][ T4531]  ? clear_bhb_loop+0x30/0x80
[  360.698127][ T4531]  ? clear_bhb_loop+0x30/0x80
[  360.702806][ T4531]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  360.708891][ T4531] RIP: 0033:0x7f15ce1bb34a
[  360.713307][ T4531] 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
[  360.733275][ T4531] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  360.741859][ T4531] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  360.749850][ T4531] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  360.757923][ T4531] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  360.765910][ T4531] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  360.773989][ T4531] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  360.781986][ T4531]  </TASK>
[  360.787080][ T4531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.800667][ T4531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  361.199612][ T4533] loop1: detected capacity change from 0 to 32768
[  361.247586][ T4533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  361.255168][ T4533] CPU: 0 PID: 4533 Comm: syz.1.172 Not tainted syzkaller #0
[  361.263011][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  361.273405][ T4533] Call Trace:
[  361.276716][ T4533]  <TASK>
[  361.279676][ T4533]  dump_stack_lvl+0x168/0x230
[  361.284400][ T4533]  ? show_regs_print_info+0x20/0x20
[  361.289644][ T4533]  ? load_image+0x3b0/0x3b0
[  361.294209][ T4533]  sysfs_create_dir_ns+0x252/0x280
[  361.299367][ T4533]  ? __lock_acquire+0x7c60/0x7c60
[  361.304432][ T4533]  ? sysfs_warn_dup+0xa0/0xa0
[  361.309153][ T4533]  ? do_raw_spin_unlock+0x11d/0x230
[  361.314476][ T4533]  kobject_add_internal+0x662/0xd00
[  361.319818][ T4533]  kobject_init_and_add+0x122/0x190
[  361.325073][ T4533]  ? lockdep_softirqs_off+0x420/0x420
[  361.330484][ T4533]  ? kobject_add+0x210/0x210
[  361.335111][ T4533]  ? __init_swait_queue_head+0xa5/0x150
[  361.340745][ T4533]  gfs2_sys_fs_add+0x234/0x480
[  361.345543][ T4533]  ? gfs2_recover_set+0x240/0x240
[  361.350601][ T4533]  ? snprintf+0xd7/0x120
[  361.354877][ T4533]  ? __free_pages+0x95/0x1a0
[  361.359507][ T4533]  ? vscnprintf+0x80/0x80
[  361.363873][ T4533]  gfs2_fill_super+0x128d/0x1f50
[  361.368830][ T4533]  ? gfs2_reconfigure+0xcd0/0xcd0
[  361.373873][ T4533]  ? preempt_count_add+0x8d/0x190
[  361.379057][ T4533]  ? sb_set_blocksize+0xa5/0xe0
[  361.383927][ T4533]  get_tree_bdev+0x3f1/0x610
[  361.388542][ T4533]  ? gfs2_reconfigure+0xcd0/0xcd0
[  361.393677][ T4533]  gfs2_get_tree+0x4d/0x1e0
[  361.398438][ T4533]  vfs_get_tree+0x88/0x270
[  361.402965][ T4533]  do_new_mount+0x24a/0xa40
[  361.407504][ T4533]  __se_sys_mount+0x2d6/0x3c0
[  361.412222][ T4533]  ? __x64_sys_mount+0xc0/0xc0
[  361.417036][ T4533]  ? lockdep_hardirqs_on+0x94/0x140
[  361.422244][ T4533]  ? __x64_sys_mount+0x1c/0xc0
[  361.427029][ T4533]  do_syscall_64+0x4c/0xa0
[  361.431472][ T4533]  ? clear_bhb_loop+0x30/0x80
[  361.436252][ T4533]  ? clear_bhb_loop+0x30/0x80
[  361.441050][ T4533]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  361.447057][ T4533] RIP: 0033:0x7f15ce1bb34a
[  361.451481][ T4533] 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
[  361.471826][ T4533] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  361.480527][ T4533] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  361.488515][ T4533] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  361.496592][ T4533] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  361.505117][ T4533] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  361.513385][ T4533] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  361.521933][ T4533]  </TASK>
[  361.529550][ T4533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  361.543489][ T4533] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/18 11:20:11 executed programs: 158
[  361.915415][ T4534] loop1: detected capacity change from 0 to 32768
[  361.959917][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  361.972415][ T4534] CPU: 0 PID: 4534 Comm: syz.1.173 Not tainted syzkaller #0
[  361.979763][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  361.989854][ T4534] Call Trace:
[  361.993204][ T4534]  <TASK>
[  361.996174][ T4534]  dump_stack_lvl+0x168/0x230
[  362.000894][ T4534]  ? show_regs_print_info+0x20/0x20
[  362.006238][ T4534]  ? load_image+0x3b0/0x3b0
[  362.010899][ T4534]  sysfs_create_dir_ns+0x252/0x280
[  362.016266][ T4534]  ? __lock_acquire+0x7c60/0x7c60
[  362.021357][ T4534]  ? sysfs_warn_dup+0xa0/0xa0
[  362.026087][ T4534]  ? do_raw_spin_unlock+0x11d/0x230
[  362.031337][ T4534]  kobject_add_internal+0x662/0xd00
[  362.036579][ T4534]  kobject_init_and_add+0x122/0x190
[  362.041813][ T4534]  ? lockdep_softirqs_off+0x420/0x420
[  362.047232][ T4534]  ? kobject_add+0x210/0x210
[  362.051876][ T4534]  ? __init_swait_queue_head+0xa5/0x150
[  362.057465][ T4534]  gfs2_sys_fs_add+0x234/0x480
[  362.062268][ T4534]  ? gfs2_recover_set+0x240/0x240
[  362.067338][ T4534]  ? snprintf+0xd7/0x120
[  362.071612][ T4534]  ? __free_pages+0x95/0x1a0
[  362.076232][ T4534]  ? vscnprintf+0x80/0x80
[  362.080615][ T4534]  gfs2_fill_super+0x128d/0x1f50
[  362.085601][ T4534]  ? gfs2_reconfigure+0xcd0/0xcd0
[  362.090922][ T4534]  ? preempt_count_add+0x8d/0x190
[  362.095970][ T4534]  ? sb_set_blocksize+0xa5/0xe0
[  362.100835][ T4534]  get_tree_bdev+0x3f1/0x610
[  362.105456][ T4534]  ? gfs2_reconfigure+0xcd0/0xcd0
[  362.110581][ T4534]  gfs2_get_tree+0x4d/0x1e0
[  362.115125][ T4534]  vfs_get_tree+0x88/0x270
[  362.119571][ T4534]  do_new_mount+0x24a/0xa40
[  362.124182][ T4534]  __se_sys_mount+0x2d6/0x3c0
[  362.128969][ T4534]  ? __x64_sys_mount+0xc0/0xc0
[  362.133845][ T4534]  ? lockdep_hardirqs_on+0x94/0x140
[  362.139048][ T4534]  ? __x64_sys_mount+0x1c/0xc0
[  362.143844][ T4534]  do_syscall_64+0x4c/0xa0
[  362.148306][ T4534]  ? clear_bhb_loop+0x30/0x80
[  362.153019][ T4534]  ? clear_bhb_loop+0x30/0x80
[  362.157696][ T4534]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  362.163587][ T4534] RIP: 0033:0x7f15ce1bb34a
[  362.168093][ T4534] 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
[  362.188001][ T4534] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  362.196627][ T4534] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  362.204612][ T4534] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  362.212602][ T4534] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  362.220584][ T4534] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  362.228656][ T4534] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  362.236685][ T4534]  </TASK>
[  362.241704][ T4534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  362.255314][ T4534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  362.616957][ T4535] loop1: detected capacity change from 0 to 32768
[  362.668335][ T4535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  362.675765][ T4535] CPU: 0 PID: 4535 Comm: syz.1.174 Not tainted syzkaller #0
[  362.683092][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  362.693181][ T4535] Call Trace:
[  362.696504][ T4535]  <TASK>
[  362.699461][ T4535]  dump_stack_lvl+0x168/0x230
[  362.704262][ T4535]  ? show_regs_print_info+0x20/0x20
[  362.709502][ T4535]  ? load_image+0x3b0/0x3b0
[  362.714177][ T4535]  sysfs_create_dir_ns+0x252/0x280
[  362.719471][ T4535]  ? __lock_acquire+0x7c60/0x7c60
[  362.724539][ T4535]  ? sysfs_warn_dup+0xa0/0xa0
[  362.729290][ T4535]  ? do_raw_spin_unlock+0x11d/0x230
[  362.734747][ T4535]  kobject_add_internal+0x662/0xd00
[  362.739994][ T4535]  kobject_init_and_add+0x122/0x190
[  362.745222][ T4535]  ? lockdep_softirqs_off+0x420/0x420
[  362.750637][ T4535]  ? kobject_add+0x210/0x210
[  362.755367][ T4535]  ? __init_swait_queue_head+0xa5/0x150
[  362.760955][ T4535]  gfs2_sys_fs_add+0x234/0x480
[  362.765946][ T4535]  ? gfs2_recover_set+0x240/0x240
[  362.771178][ T4535]  ? snprintf+0xd7/0x120
[  362.775646][ T4535]  ? __free_pages+0x95/0x1a0
[  362.780399][ T4535]  ? vscnprintf+0x80/0x80
[  362.784768][ T4535]  gfs2_fill_super+0x128d/0x1f50
[  362.789846][ T4535]  ? gfs2_reconfigure+0xcd0/0xcd0
[  362.794880][ T4535]  ? preempt_count_add+0x8d/0x190
[  362.799931][ T4535]  ? sb_set_blocksize+0xa5/0xe0
[  362.804816][ T4535]  get_tree_bdev+0x3f1/0x610
[  362.809431][ T4535]  ? gfs2_reconfigure+0xcd0/0xcd0
[  362.814590][ T4535]  gfs2_get_tree+0x4d/0x1e0
[  362.819137][ T4535]  vfs_get_tree+0x88/0x270
[  362.823711][ T4535]  do_new_mount+0x24a/0xa40
[  362.828375][ T4535]  __se_sys_mount+0x2d6/0x3c0
[  362.833248][ T4535]  ? __x64_sys_mount+0xc0/0xc0
[  362.838032][ T4535]  ? lockdep_hardirqs_on+0x94/0x140
[  362.843389][ T4535]  ? __x64_sys_mount+0x1c/0xc0
[  362.848174][ T4535]  do_syscall_64+0x4c/0xa0
[  362.853237][ T4535]  ? clear_bhb_loop+0x30/0x80
[  362.858261][ T4535]  ? clear_bhb_loop+0x30/0x80
[  362.863056][ T4535]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  362.868969][ T4535] RIP: 0033:0x7f15ce1bb34a
[  362.873769][ T4535] 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
[  362.893392][ T4535] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  362.901818][ T4535] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  362.909798][ T4535] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  362.917792][ T4535] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  362.925826][ T4535] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  362.933908][ T4535] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  362.941904][ T4535]  </TASK>
[  362.946739][ T4535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  362.960070][ T4535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  363.378513][ T4536] loop1: detected capacity change from 0 to 32768
[  363.420012][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  363.427971][ T4536] CPU: 0 PID: 4536 Comm: syz.1.175 Not tainted syzkaller #0
[  363.435298][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  363.445392][ T4536] Call Trace:
[  363.448722][ T4536]  <TASK>
[  363.451779][ T4536]  dump_stack_lvl+0x168/0x230
[  363.456593][ T4536]  ? show_regs_print_info+0x20/0x20
[  363.461840][ T4536]  ? load_image+0x3b0/0x3b0
[  363.466613][ T4536]  sysfs_create_dir_ns+0x252/0x280
[  363.471859][ T4536]  ? __lock_acquire+0x7c60/0x7c60
[  363.476930][ T4536]  ? sysfs_warn_dup+0xa0/0xa0
[  363.481661][ T4536]  ? do_raw_spin_unlock+0x11d/0x230
[  363.486915][ T4536]  kobject_add_internal+0x662/0xd00
[  363.492339][ T4536]  kobject_init_and_add+0x122/0x190
[  363.497559][ T4536]  ? lockdep_softirqs_off+0x420/0x420
[  363.503131][ T4536]  ? kobject_add+0x210/0x210
[  363.507844][ T4536]  ? __init_swait_queue_head+0xa5/0x150
[  363.513695][ T4536]  gfs2_sys_fs_add+0x234/0x480
[  363.518474][ T4536]  ? gfs2_recover_set+0x240/0x240
[  363.523513][ T4536]  ? snprintf+0xd7/0x120
[  363.527778][ T4536]  ? __free_pages+0x95/0x1a0
[  363.532384][ T4536]  ? vscnprintf+0x80/0x80
[  363.536734][ T4536]  gfs2_fill_super+0x128d/0x1f50
[  363.541691][ T4536]  ? gfs2_reconfigure+0xcd0/0xcd0
[  363.546819][ T4536]  ? preempt_count_add+0x8d/0x190
[  363.551898][ T4536]  ? sb_set_blocksize+0xa5/0xe0
[  363.556862][ T4536]  get_tree_bdev+0x3f1/0x610
[  363.561647][ T4536]  ? gfs2_reconfigure+0xcd0/0xcd0
[  363.566703][ T4536]  gfs2_get_tree+0x4d/0x1e0
[  363.571680][ T4536]  vfs_get_tree+0x88/0x270
[  363.576149][ T4536]  do_new_mount+0x24a/0xa40
[  363.580675][ T4536]  __se_sys_mount+0x2d6/0x3c0
[  363.585448][ T4536]  ? __x64_sys_mount+0xc0/0xc0
[  363.590225][ T4536]  ? lockdep_hardirqs_on+0x94/0x140
[  363.595519][ T4536]  ? __x64_sys_mount+0x1c/0xc0
[  363.600493][ T4536]  do_syscall_64+0x4c/0xa0
[  363.604928][ T4536]  ? clear_bhb_loop+0x30/0x80
[  363.609645][ T4536]  ? clear_bhb_loop+0x30/0x80
[  363.614527][ T4536]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  363.620573][ T4536] RIP: 0033:0x7f15ce1bb34a
[  363.625004][ T4536] 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
[  363.644912][ T4536] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  363.653526][ T4536] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  363.661514][ T4536] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  363.669730][ T4536] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  363.677711][ T4536] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  363.685708][ T4536] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  363.693790][ T4536]  </TASK>
[  363.701900][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  363.715743][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  364.093629][ T4537] loop1: detected capacity change from 0 to 32768
[  364.151243][ T4537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  364.159302][ T4537] CPU: 1 PID: 4537 Comm: syz.1.176 Not tainted syzkaller #0
[  364.166656][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  364.176965][ T4537] Call Trace:
[  364.180363][ T4537]  <TASK>
[  364.183332][ T4537]  dump_stack_lvl+0x168/0x230
[  364.188045][ T4537]  ? show_regs_print_info+0x20/0x20
[  364.193371][ T4537]  ? load_image+0x3b0/0x3b0
[  364.198008][ T4537]  sysfs_create_dir_ns+0x252/0x280
[  364.203254][ T4537]  ? __lock_acquire+0x7c60/0x7c60
[  364.208523][ T4537]  ? sysfs_warn_dup+0xa0/0xa0
[  364.213361][ T4537]  ? do_raw_spin_unlock+0x11d/0x230
[  364.218889][ T4537]  kobject_add_internal+0x662/0xd00
[  364.224488][ T4537]  kobject_init_and_add+0x122/0x190
[  364.229734][ T4537]  ? lockdep_softirqs_off+0x420/0x420
[  364.235156][ T4537]  ? kobject_add+0x210/0x210
[  364.239791][ T4537]  ? __init_swait_queue_head+0xa5/0x150
[  364.245461][ T4537]  gfs2_sys_fs_add+0x234/0x480
[  364.250274][ T4537]  ? gfs2_recover_set+0x240/0x240
[  364.255453][ T4537]  ? snprintf+0xd7/0x120
[  364.259701][ T4537]  ? __free_pages+0x95/0x1a0
[  364.264389][ T4537]  ? vscnprintf+0x80/0x80
[  364.268729][ T4537]  gfs2_fill_super+0x128d/0x1f50
[  364.273693][ T4537]  ? gfs2_reconfigure+0xcd0/0xcd0
[  364.278722][ T4537]  ? preempt_count_add+0x8d/0x190
[  364.283780][ T4537]  ? sb_set_blocksize+0xa5/0xe0
[  364.288653][ T4537]  get_tree_bdev+0x3f1/0x610
[  364.293505][ T4537]  ? gfs2_reconfigure+0xcd0/0xcd0
[  364.298553][ T4537]  gfs2_get_tree+0x4d/0x1e0
[  364.303341][ T4537]  vfs_get_tree+0x88/0x270
[  364.307784][ T4537]  do_new_mount+0x24a/0xa40
[  364.312468][ T4537]  __se_sys_mount+0x2d6/0x3c0
[  364.317554][ T4537]  ? __x64_sys_mount+0xc0/0xc0
[  364.322365][ T4537]  ? lockdep_hardirqs_on+0x94/0x140
[  364.327744][ T4537]  ? __x64_sys_mount+0x1c/0xc0
[  364.332527][ T4537]  do_syscall_64+0x4c/0xa0
[  364.336955][ T4537]  ? clear_bhb_loop+0x30/0x80
[  364.341642][ T4537]  ? clear_bhb_loop+0x30/0x80
[  364.346332][ T4537]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  364.352331][ T4537] RIP: 0033:0x7f15ce1bb34a
[  364.356761][ T4537] 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
[  364.376381][ T4537] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  364.384999][ T4537] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  364.393103][ T4537] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  364.401099][ T4537] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  364.409246][ T4537] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  364.417420][ T4537] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  364.425435][ T4537]  </TASK>
[  364.429360][ T4537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  364.442535][ T4537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  364.817941][ T4538] loop1: detected capacity change from 0 to 32768
[  364.899597][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  364.907067][ T4538] CPU: 1 PID: 4538 Comm: syz.1.177 Not tainted syzkaller #0
[  364.914389][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  364.924646][ T4538] Call Trace:
[  364.928137][ T4538]  <TASK>
[  364.931107][ T4538]  dump_stack_lvl+0x168/0x230
[  364.935833][ T4538]  ? show_regs_print_info+0x20/0x20
[  364.941085][ T4538]  ? load_image+0x3b0/0x3b0
[  364.945649][ T4538]  sysfs_create_dir_ns+0x252/0x280
[  364.950820][ T4538]  ? __lock_acquire+0x7c60/0x7c60
[  364.955889][ T4538]  ? sysfs_warn_dup+0xa0/0xa0
[  364.960624][ T4538]  ? do_raw_spin_unlock+0x11d/0x230
[  364.965869][ T4538]  kobject_add_internal+0x662/0xd00
[  364.971110][ T4538]  kobject_init_and_add+0x122/0x190
[  364.976465][ T4538]  ? lockdep_softirqs_off+0x420/0x420
[  364.981875][ T4538]  ? kobject_add+0x210/0x210
[  364.986510][ T4538]  ? __init_swait_queue_head+0xa5/0x150
[  364.992121][ T4538]  gfs2_sys_fs_add+0x234/0x480
[  364.996904][ T4538]  ? gfs2_recover_set+0x240/0x240
[  365.001948][ T4538]  ? snprintf+0xd7/0x120
[  365.006310][ T4538]  ? __free_pages+0x95/0x1a0
[  365.010918][ T4538]  ? vscnprintf+0x80/0x80
[  365.015370][ T4538]  gfs2_fill_super+0x128d/0x1f50
[  365.020567][ T4538]  ? gfs2_reconfigure+0xcd0/0xcd0
[  365.025610][ T4538]  ? preempt_count_add+0x8d/0x190
[  365.030651][ T4538]  ? sb_set_blocksize+0xa5/0xe0
[  365.035514][ T4538]  get_tree_bdev+0x3f1/0x610
[  365.040111][ T4538]  ? gfs2_reconfigure+0xcd0/0xcd0
[  365.045144][ T4538]  gfs2_get_tree+0x4d/0x1e0
[  365.049851][ T4538]  vfs_get_tree+0x88/0x270
[  365.054272][ T4538]  do_new_mount+0x24a/0xa40
[  365.058787][ T4538]  __se_sys_mount+0x2d6/0x3c0
[  365.063503][ T4538]  ? __x64_sys_mount+0xc0/0xc0
[  365.068279][ T4538]  ? lockdep_hardirqs_on+0x94/0x140
[  365.073669][ T4538]  ? __x64_sys_mount+0x1c/0xc0
[  365.078458][ T4538]  do_syscall_64+0x4c/0xa0
[  365.082874][ T4538]  ? clear_bhb_loop+0x30/0x80
[  365.087569][ T4538]  ? clear_bhb_loop+0x30/0x80
[  365.092340][ T4538]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  365.098239][ T4538] RIP: 0033:0x7f15ce1bb34a
[  365.102658][ T4538] 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
[  365.122787][ T4538] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  365.131500][ T4538] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  365.139488][ T4538] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  365.147472][ T4538] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  365.155622][ T4538] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  365.163755][ T4538] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  365.171750][ T4538]  </TASK>
[  365.175894][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  365.189374][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  365.601228][ T4539] loop1: detected capacity change from 0 to 32768
[  365.678779][ T4539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  365.686436][ T4539] CPU: 0 PID: 4539 Comm: syz.1.178 Not tainted syzkaller #0
[  365.693765][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  365.704360][ T4539] Call Trace:
[  365.707764][ T4539]  <TASK>
[  365.710739][ T4539]  dump_stack_lvl+0x168/0x230
[  365.715459][ T4539]  ? show_regs_print_info+0x20/0x20
[  365.720870][ T4539]  ? load_image+0x3b0/0x3b0
[  365.725426][ T4539]  sysfs_create_dir_ns+0x252/0x280
[  365.730918][ T4539]  ? __lock_acquire+0x7c60/0x7c60
[  365.736158][ T4539]  ? sysfs_warn_dup+0xa0/0xa0
[  365.740894][ T4539]  ? do_raw_spin_unlock+0x11d/0x230
[  365.746135][ T4539]  kobject_add_internal+0x662/0xd00
[  365.751371][ T4539]  kobject_init_and_add+0x122/0x190
[  365.756600][ T4539]  ? lockdep_softirqs_off+0x420/0x420
[  365.762101][ T4539]  ? kobject_add+0x210/0x210
[  365.768217][ T4539]  ? __init_swait_queue_head+0xa5/0x150
[  365.773905][ T4539]  gfs2_sys_fs_add+0x234/0x480
[  365.778713][ T4539]  ? gfs2_recover_set+0x240/0x240
[  365.784321][ T4539]  ? snprintf+0xd7/0x120
[  365.788816][ T4539]  ? __free_pages+0x95/0x1a0
[  365.793539][ T4539]  ? vscnprintf+0x80/0x80
[  365.797892][ T4539]  gfs2_fill_super+0x128d/0x1f50
[  365.802890][ T4539]  ? gfs2_reconfigure+0xcd0/0xcd0
[  365.807951][ T4539]  ? preempt_count_add+0x8d/0x190
[  365.813014][ T4539]  ? sb_set_blocksize+0xa5/0xe0
[  365.818071][ T4539]  get_tree_bdev+0x3f1/0x610
[  365.822799][ T4539]  ? gfs2_reconfigure+0xcd0/0xcd0
[  365.827856][ T4539]  gfs2_get_tree+0x4d/0x1e0
[  365.832474][ T4539]  vfs_get_tree+0x88/0x270
[  365.836926][ T4539]  do_new_mount+0x24a/0xa40
[  365.841454][ T4539]  __se_sys_mount+0x2d6/0x3c0
[  365.846156][ T4539]  ? __x64_sys_mount+0xc0/0xc0
[  365.850948][ T4539]  ? lockdep_hardirqs_on+0x94/0x140
[  365.856165][ T4539]  ? __x64_sys_mount+0x1c/0xc0
[  365.860978][ T4539]  do_syscall_64+0x4c/0xa0
[  365.865420][ T4539]  ? clear_bhb_loop+0x30/0x80
[  365.870120][ T4539]  ? clear_bhb_loop+0x30/0x80
[  365.874809][ T4539]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  365.880711][ T4539] RIP: 0033:0x7f15ce1bb34a
[  365.885165][ T4539] 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
[  365.905301][ T4539] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  365.913724][ T4539] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  365.921834][ T4539] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  365.929811][ T4539] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  365.937876][ T4539] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  365.945884][ T4539] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  365.954012][ T4539]  </TASK>
[  365.966776][ T4539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  365.981023][ T4539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  366.366513][ T4540] loop1: detected capacity change from 0 to 32768
[  366.419496][ T4540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  366.427020][ T4540] CPU: 0 PID: 4540 Comm: syz.1.179 Not tainted syzkaller #0
[  366.434343][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  366.444432][ T4540] Call Trace:
[  366.447751][ T4540]  <TASK>
[  366.450750][ T4540]  dump_stack_lvl+0x168/0x230
[  366.455470][ T4540]  ? show_regs_print_info+0x20/0x20
[  366.460704][ T4540]  ? load_image+0x3b0/0x3b0
[  366.465264][ T4540]  sysfs_create_dir_ns+0x252/0x280
[  366.470565][ T4540]  ? __lock_acquire+0x7c60/0x7c60
[  366.475732][ T4540]  ? sysfs_warn_dup+0xa0/0xa0
[  366.480474][ T4540]  ? do_raw_spin_unlock+0x11d/0x230
[  366.485784][ T4540]  kobject_add_internal+0x662/0xd00
[  366.491110][ T4540]  kobject_init_and_add+0x122/0x190
[  366.496357][ T4540]  ? lockdep_softirqs_off+0x420/0x420
[  366.501771][ T4540]  ? kobject_add+0x210/0x210
[  366.506408][ T4540]  ? __init_swait_queue_head+0xa5/0x150
[  366.511998][ T4540]  gfs2_sys_fs_add+0x234/0x480
[  366.516890][ T4540]  ? gfs2_recover_set+0x240/0x240
[  366.521953][ T4540]  ? snprintf+0xd7/0x120
[  366.526349][ T4540]  ? __free_pages+0x95/0x1a0
[  366.530957][ T4540]  ? vscnprintf+0x80/0x80
[  366.535335][ T4540]  gfs2_fill_super+0x128d/0x1f50
[  366.540500][ T4540]  ? gfs2_reconfigure+0xcd0/0xcd0
[  366.545552][ T4540]  ? preempt_count_add+0x8d/0x190
[  366.550611][ T4540]  ? sb_set_blocksize+0xa5/0xe0
[  366.555487][ T4540]  get_tree_bdev+0x3f1/0x610
[  366.560267][ T4540]  ? gfs2_reconfigure+0xcd0/0xcd0
[  366.565310][ T4540]  gfs2_get_tree+0x4d/0x1e0
[  366.569844][ T4540]  vfs_get_tree+0x88/0x270
[  366.574301][ T4540]  do_new_mount+0x24a/0xa40
[  366.578987][ T4540]  __se_sys_mount+0x2d6/0x3c0
[  366.583861][ T4540]  ? __x64_sys_mount+0xc0/0xc0
[  366.588663][ T4540]  ? lockdep_hardirqs_on+0x94/0x140
[  366.593876][ T4540]  ? __x64_sys_mount+0x1c/0xc0
[  366.599104][ T4540]  do_syscall_64+0x4c/0xa0
[  366.603532][ T4540]  ? clear_bhb_loop+0x30/0x80
[  366.608220][ T4540]  ? clear_bhb_loop+0x30/0x80
[  366.612903][ T4540]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  366.619322][ T4540] RIP: 0033:0x7f15ce1bb34a
[  366.623744][ T4540] 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
[  366.643364][ T4540] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  366.651877][ T4540] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  366.659972][ T4540] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  366.667969][ T4540] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  366.675950][ T4540] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  366.684058][ T4540] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  366.692056][ T4540]  </TASK>
[  366.697082][ T4540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  366.710432][ T4540] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/18 11:20:16 executed programs: 165
[  367.101721][ T4541] loop1: detected capacity change from 0 to 32768
[  367.167465][ T4541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  367.174903][ T4541] CPU: 0 PID: 4541 Comm: syz.1.180 Not tainted syzkaller #0
[  367.182219][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  367.192301][ T4541] Call Trace:
[  367.195628][ T4541]  <TASK>
[  367.198599][ T4541]  dump_stack_lvl+0x168/0x230
[  367.203318][ T4541]  ? show_regs_print_info+0x20/0x20
[  367.208649][ T4541]  ? load_image+0x3b0/0x3b0
[  367.213208][ T4541]  sysfs_create_dir_ns+0x252/0x280
[  367.218361][ T4541]  ? __lock_acquire+0x7c60/0x7c60
[  367.223632][ T4541]  ? sysfs_warn_dup+0xa0/0xa0
[  367.228371][ T4541]  ? do_raw_spin_unlock+0x11d/0x230
[  367.233628][ T4541]  kobject_add_internal+0x662/0xd00
[  367.238879][ T4541]  kobject_init_and_add+0x122/0x190
[  367.244111][ T4541]  ? lockdep_softirqs_off+0x420/0x420
[  367.249522][ T4541]  ? kobject_add+0x210/0x210
[  367.254175][ T4541]  ? __init_swait_queue_head+0xa5/0x150
[  367.259765][ T4541]  gfs2_sys_fs_add+0x234/0x480
[  367.264572][ T4541]  ? gfs2_recover_set+0x240/0x240
[  367.269625][ T4541]  ? snprintf+0xd7/0x120
[  367.273902][ T4541]  ? __free_pages+0x95/0x1a0
[  367.279055][ T4541]  ? vscnprintf+0x80/0x80
[  367.283582][ T4541]  gfs2_fill_super+0x128d/0x1f50
[  367.288542][ T4541]  ? gfs2_reconfigure+0xcd0/0xcd0
[  367.293587][ T4541]  ? preempt_count_add+0x8d/0x190
[  367.298620][ T4541]  ? sb_set_blocksize+0xa5/0xe0
[  367.303638][ T4541]  get_tree_bdev+0x3f1/0x610
[  367.308257][ T4541]  ? gfs2_reconfigure+0xcd0/0xcd0
[  367.313334][ T4541]  gfs2_get_tree+0x4d/0x1e0
[  367.317958][ T4541]  vfs_get_tree+0x88/0x270
[  367.322575][ T4541]  do_new_mount+0x24a/0xa40
[  367.327110][ T4541]  __se_sys_mount+0x2d6/0x3c0
[  367.331811][ T4541]  ? __x64_sys_mount+0xc0/0xc0
[  367.336608][ T4541]  ? lockdep_hardirqs_on+0x94/0x140
[  367.341810][ T4541]  ? __x64_sys_mount+0x1c/0xc0
[  367.346598][ T4541]  do_syscall_64+0x4c/0xa0
[  367.351027][ T4541]  ? clear_bhb_loop+0x30/0x80
[  367.355736][ T4541]  ? clear_bhb_loop+0x30/0x80
[  367.360427][ T4541]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  367.366332][ T4541] RIP: 0033:0x7f15ce1bb34a
[  367.370820][ T4541] 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
[  367.390430][ T4541] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  367.398853][ T4541] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  367.406832][ T4541] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  367.414820][ T4541] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  367.422832][ T4541] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  367.430845][ T4541] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  367.438839][ T4541]  </TASK>
[  367.443758][ T4541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  367.456958][ T4541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  367.856759][ T4542] loop1: detected capacity change from 0 to 32768
[  367.907600][ T4542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  367.915229][ T4542] CPU: 0 PID: 4542 Comm: syz.1.181 Not tainted syzkaller #0
[  367.922558][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  367.932665][ T4542] Call Trace:
[  367.935989][ T4542]  <TASK>
[  367.938960][ T4542]  dump_stack_lvl+0x168/0x230
[  367.943724][ T4542]  ? show_regs_print_info+0x20/0x20
[  367.948976][ T4542]  ? load_image+0x3b0/0x3b0
[  367.953617][ T4542]  sysfs_create_dir_ns+0x252/0x280
[  367.958763][ T4542]  ? __lock_acquire+0x7c60/0x7c60
[  367.963821][ T4542]  ? sysfs_warn_dup+0xa0/0xa0
[  367.968546][ T4542]  ? do_raw_spin_unlock+0x11d/0x230
[  367.973813][ T4542]  kobject_add_internal+0x662/0xd00
[  367.979063][ T4542]  kobject_init_and_add+0x122/0x190
[  367.984397][ T4542]  ? lockdep_softirqs_off+0x420/0x420
[  367.989813][ T4542]  ? kobject_add+0x210/0x210
[  367.994444][ T4542]  ? __init_swait_queue_head+0xa5/0x150
[  368.000167][ T4542]  gfs2_sys_fs_add+0x234/0x480
[  368.004988][ T4542]  ? gfs2_recover_set+0x240/0x240
[  368.010177][ T4542]  ? snprintf+0xd7/0x120
[  368.014613][ T4542]  ? __free_pages+0x95/0x1a0
[  368.019252][ T4542]  ? vscnprintf+0x80/0x80
[  368.023629][ T4542]  gfs2_fill_super+0x128d/0x1f50
[  368.028603][ T4542]  ? gfs2_reconfigure+0xcd0/0xcd0
[  368.033662][ T4542]  ? preempt_count_add+0x8d/0x190
[  368.038884][ T4542]  ? sb_set_blocksize+0xa5/0xe0
[  368.043776][ T4542]  get_tree_bdev+0x3f1/0x610
[  368.048397][ T4542]  ? gfs2_reconfigure+0xcd0/0xcd0
[  368.053581][ T4542]  gfs2_get_tree+0x4d/0x1e0
[  368.058113][ T4542]  vfs_get_tree+0x88/0x270
[  368.062753][ T4542]  do_new_mount+0x24a/0xa40
[  368.067349][ T4542]  __se_sys_mount+0x2d6/0x3c0
[  368.072067][ T4542]  ? __x64_sys_mount+0xc0/0xc0
[  368.076850][ T4542]  ? lockdep_hardirqs_on+0x94/0x140
[  368.082061][ T4542]  ? __x64_sys_mount+0x1c/0xc0
[  368.086963][ T4542]  do_syscall_64+0x4c/0xa0
[  368.091396][ T4542]  ? clear_bhb_loop+0x30/0x80
[  368.096197][ T4542]  ? clear_bhb_loop+0x30/0x80
[  368.101137][ T4542]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  368.107239][ T4542] RIP: 0033:0x7f15ce1bb34a
[  368.111972][ T4542] 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
[  368.131726][ T4542] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  368.140172][ T4542] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  368.148238][ T4542] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  368.156214][ T4542] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  368.164192][ T4542] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  368.172184][ T4542] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  368.180353][ T4542]  </TASK>
[  368.189467][ T4542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  368.203688][ T4542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  368.593712][ T4543] loop1: detected capacity change from 0 to 32768
[  368.650448][ T4543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  368.659060][ T4543] CPU: 0 PID: 4543 Comm: syz.1.182 Not tainted syzkaller #0
[  368.666404][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  368.676514][ T4543] Call Trace:
[  368.679832][ T4543]  <TASK>
[  368.682973][ T4543]  dump_stack_lvl+0x168/0x230
[  368.687697][ T4543]  ? show_regs_print_info+0x20/0x20
[  368.692946][ T4543]  ? load_image+0x3b0/0x3b0
[  368.697644][ T4543]  sysfs_create_dir_ns+0x252/0x280
[  368.702805][ T4543]  ? __lock_acquire+0x7c60/0x7c60
[  368.707876][ T4543]  ? sysfs_warn_dup+0xa0/0xa0
[  368.712593][ T4543]  ? do_raw_spin_unlock+0x11d/0x230
[  368.718032][ T4543]  kobject_add_internal+0x662/0xd00
[  368.723280][ T4543]  kobject_init_and_add+0x122/0x190
[  368.728602][ T4543]  ? lockdep_softirqs_off+0x420/0x420
[  368.734027][ T4543]  ? kobject_add+0x210/0x210
[  368.738667][ T4543]  ? __init_swait_queue_head+0xa5/0x150
[  368.744431][ T4543]  gfs2_sys_fs_add+0x234/0x480
[  368.749233][ T4543]  ? gfs2_recover_set+0x240/0x240
[  368.754291][ T4543]  ? snprintf+0xd7/0x120
[  368.758568][ T4543]  ? __free_pages+0x95/0x1a0
[  368.763203][ T4543]  ? vscnprintf+0x80/0x80
[  368.767690][ T4543]  gfs2_fill_super+0x128d/0x1f50
[  368.772670][ T4543]  ? gfs2_reconfigure+0xcd0/0xcd0
[  368.777706][ T4543]  ? preempt_count_add+0x8d/0x190
[  368.782753][ T4543]  ? sb_set_blocksize+0xa5/0xe0
[  368.787609][ T4543]  get_tree_bdev+0x3f1/0x610
[  368.792225][ T4543]  ? gfs2_reconfigure+0xcd0/0xcd0
[  368.797257][ T4543]  gfs2_get_tree+0x4d/0x1e0
[  368.801847][ T4543]  vfs_get_tree+0x88/0x270
[  368.806290][ T4543]  do_new_mount+0x24a/0xa40
[  368.810814][ T4543]  __se_sys_mount+0x2d6/0x3c0
[  368.815510][ T4543]  ? __x64_sys_mount+0xc0/0xc0
[  368.820306][ T4543]  ? lockdep_hardirqs_on+0x94/0x140
[  368.825525][ T4543]  ? __x64_sys_mount+0x1c/0xc0
[  368.830444][ T4543]  do_syscall_64+0x4c/0xa0
[  368.834870][ T4543]  ? clear_bhb_loop+0x30/0x80
[  368.839551][ T4543]  ? clear_bhb_loop+0x30/0x80
[  368.844237][ T4543]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  368.850135][ T4543] RIP: 0033:0x7f15ce1bb34a
[  368.854559][ T4543] 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
[  368.874171][ T4543] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  368.882680][ T4543] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  368.890678][ T4543] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  368.898664][ T4543] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  368.906639][ T4543] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  368.914746][ T4543] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  368.922739][ T4543]  </TASK>
[  368.927707][ T4543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  368.940923][ T4543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  369.317695][ T4544] loop1: detected capacity change from 0 to 32768
[  369.367575][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  369.375307][ T4544] CPU: 1 PID: 4544 Comm: syz.1.183 Not tainted syzkaller #0
[  369.382629][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  369.393678][ T4544] Call Trace:
[  369.397004][ T4544]  <TASK>
[  369.400100][ T4544]  dump_stack_lvl+0x168/0x230
[  369.404853][ T4544]  ? show_regs_print_info+0x20/0x20
[  369.410094][ T4544]  ? load_image+0x3b0/0x3b0
[  369.414645][ T4544]  sysfs_create_dir_ns+0x252/0x280
[  369.419794][ T4544]  ? __lock_acquire+0x7c60/0x7c60
[  369.424971][ T4544]  ? sysfs_warn_dup+0xa0/0xa0
[  369.429738][ T4544]  ? do_raw_spin_unlock+0x11d/0x230
[  369.434975][ T4544]  kobject_add_internal+0x662/0xd00
[  369.440387][ T4544]  kobject_init_and_add+0x122/0x190
[  369.445619][ T4544]  ? lockdep_softirqs_off+0x420/0x420
[  369.451030][ T4544]  ? kobject_add+0x210/0x210
[  369.455709][ T4544]  ? __init_swait_queue_head+0xa5/0x150
[  369.461538][ T4544]  gfs2_sys_fs_add+0x234/0x480
[  369.466361][ T4544]  ? gfs2_recover_set+0x240/0x240
[  369.471423][ T4544]  ? snprintf+0xd7/0x120
[  369.475707][ T4544]  ? __free_pages+0x95/0x1a0
[  369.480318][ T4544]  ? vscnprintf+0x80/0x80
[  369.484929][ T4544]  gfs2_fill_super+0x128d/0x1f50
[  369.489889][ T4544]  ? gfs2_reconfigure+0xcd0/0xcd0
[  369.494918][ T4544]  ? preempt_count_add+0x8d/0x190
[  369.499955][ T4544]  ? sb_set_blocksize+0xa5/0xe0
[  369.504909][ T4544]  get_tree_bdev+0x3f1/0x610
[  369.509511][ T4544]  ? gfs2_reconfigure+0xcd0/0xcd0
[  369.514658][ T4544]  gfs2_get_tree+0x4d/0x1e0
[  369.519175][ T4544]  vfs_get_tree+0x88/0x270
[  369.523611][ T4544]  do_new_mount+0x24a/0xa40
[  369.528267][ T4544]  __se_sys_mount+0x2d6/0x3c0
[  369.532989][ T4544]  ? __x64_sys_mount+0xc0/0xc0
[  369.537772][ T4544]  ? lockdep_hardirqs_on+0x94/0x140
[  369.542978][ T4544]  ? __x64_sys_mount+0x1c/0xc0
[  369.547751][ T4544]  do_syscall_64+0x4c/0xa0
[  369.552169][ T4544]  ? clear_bhb_loop+0x30/0x80
[  369.557017][ T4544]  ? clear_bhb_loop+0x30/0x80
[  369.561695][ T4544]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  369.567603][ T4544] RIP: 0033:0x7f15ce1bb34a
[  369.572026][ T4544] 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
[  369.591638][ T4544] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  369.600063][ T4544] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  369.608068][ T4544] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  369.616040][ T4544] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  369.624009][ T4544] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  369.631982][ T4544] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  369.639975][ T4544]  </TASK>
[  369.644406][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  369.657875][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  370.049654][ T4545] loop1: detected capacity change from 0 to 32768
[  370.097177][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  370.104846][ T4545] CPU: 1 PID: 4545 Comm: syz.1.184 Not tainted syzkaller #0
[  370.112169][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  370.122259][ T4545] Call Trace:
[  370.125572][ T4545]  <TASK>
[  370.128542][ T4545]  dump_stack_lvl+0x168/0x230
[  370.133266][ T4545]  ? show_regs_print_info+0x20/0x20
[  370.138540][ T4545]  ? load_image+0x3b0/0x3b0
[  370.143090][ T4545]  sysfs_create_dir_ns+0x252/0x280
[  370.148330][ T4545]  ? __lock_acquire+0x7c60/0x7c60
[  370.153399][ T4545]  ? sysfs_warn_dup+0xa0/0xa0
[  370.158140][ T4545]  ? do_raw_spin_unlock+0x11d/0x230
[  370.163378][ T4545]  kobject_add_internal+0x662/0xd00
[  370.168619][ T4545]  kobject_init_and_add+0x122/0x190
[  370.173954][ T4545]  ? lockdep_softirqs_off+0x420/0x420
[  370.179361][ T4545]  ? kobject_add+0x210/0x210
[  370.184017][ T4545]  ? __init_swait_queue_head+0xa5/0x150
[  370.189606][ T4545]  gfs2_sys_fs_add+0x234/0x480
[  370.194405][ T4545]  ? gfs2_recover_set+0x240/0x240
[  370.199462][ T4545]  ? snprintf+0xd7/0x120
[  370.203749][ T4545]  ? __free_pages+0x95/0x1a0
[  370.208448][ T4545]  ? vscnprintf+0x80/0x80
[  370.213028][ T4545]  gfs2_fill_super+0x128d/0x1f50
[  370.218010][ T4545]  ? gfs2_reconfigure+0xcd0/0xcd0
[  370.223046][ T4545]  ? preempt_count_add+0x8d/0x190
[  370.228089][ T4545]  ? sb_set_blocksize+0xa5/0xe0
[  370.232964][ T4545]  get_tree_bdev+0x3f1/0x610
[  370.237587][ T4545]  ? gfs2_reconfigure+0xcd0/0xcd0
[  370.242632][ T4545]  gfs2_get_tree+0x4d/0x1e0
[  370.247168][ T4545]  vfs_get_tree+0x88/0x270
[  370.251596][ T4545]  do_new_mount+0x24a/0xa40
[  370.256113][ T4545]  __se_sys_mount+0x2d6/0x3c0
[  370.260827][ T4545]  ? __x64_sys_mount+0xc0/0xc0
[  370.265728][ T4545]  ? lockdep_hardirqs_on+0x94/0x140
[  370.270934][ T4545]  ? __x64_sys_mount+0x1c/0xc0
[  370.275706][ T4545]  do_syscall_64+0x4c/0xa0
[  370.280121][ T4545]  ? clear_bhb_loop+0x30/0x80
[  370.284813][ T4545]  ? clear_bhb_loop+0x30/0x80
[  370.289524][ T4545]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  370.295425][ T4545] RIP: 0033:0x7f15ce1bb34a
[  370.299862][ T4545] 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
[  370.319488][ T4545] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  370.327916][ T4545] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  370.336176][ T4545] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  370.344185][ T4545] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  370.352301][ T4545] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  370.360583][ T4545] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  370.368688][ T4545]  </TASK>
[  370.372421][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  370.386278][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  370.527643][ T4305] Bluetooth: hci1: command 0x0406 tx timeout
[  370.745353][ T4546] loop1: detected capacity change from 0 to 32768
[  370.800394][ T4546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  370.808085][ T4546] CPU: 0 PID: 4546 Comm: syz.1.185 Not tainted syzkaller #0
[  370.815601][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  370.825870][ T4546] Call Trace:
[  370.829177][ T4546]  <TASK>
[  370.832159][ T4546]  dump_stack_lvl+0x168/0x230
[  370.836895][ T4546]  ? show_regs_print_info+0x20/0x20
[  370.842135][ T4546]  ? load_image+0x3b0/0x3b0
[  370.846682][ T4546]  sysfs_create_dir_ns+0x252/0x280
[  370.851828][ T4546]  ? __lock_acquire+0x7c60/0x7c60
[  370.856897][ T4546]  ? sysfs_warn_dup+0xa0/0xa0
[  370.861724][ T4546]  ? do_raw_spin_unlock+0x11d/0x230
[  370.866961][ T4546]  kobject_add_internal+0x662/0xd00
[  370.872197][ T4546]  kobject_init_and_add+0x122/0x190
[  370.877449][ T4546]  ? lockdep_softirqs_off+0x420/0x420
[  370.882971][ T4546]  ? kobject_add+0x210/0x210
[  370.887654][ T4546]  ? __init_swait_queue_head+0xa5/0x150
[  370.893335][ T4546]  gfs2_sys_fs_add+0x234/0x480
[  370.898148][ T4546]  ? gfs2_recover_set+0x240/0x240
[  370.903222][ T4546]  ? snprintf+0xd7/0x120
[  370.907508][ T4546]  ? __free_pages+0x95/0x1a0
[  370.912202][ T4546]  ? vscnprintf+0x80/0x80
[  370.916663][ T4546]  gfs2_fill_super+0x128d/0x1f50
[  370.921617][ T4546]  ? gfs2_reconfigure+0xcd0/0xcd0
[  370.926674][ T4546]  ? preempt_count_add+0x8d/0x190
[  370.931744][ T4546]  ? sb_set_blocksize+0xa5/0xe0
[  370.936598][ T4546]  get_tree_bdev+0x3f1/0x610
[  370.941395][ T4546]  ? gfs2_reconfigure+0xcd0/0xcd0
[  370.946436][ T4546]  gfs2_get_tree+0x4d/0x1e0
[  370.950972][ T4546]  vfs_get_tree+0x88/0x270
[  370.955406][ T4546]  do_new_mount+0x24a/0xa40
[  370.959922][ T4546]  __se_sys_mount+0x2d6/0x3c0
[  370.964627][ T4546]  ? __x64_sys_mount+0xc0/0xc0
[  370.969416][ T4546]  ? lockdep_hardirqs_on+0x94/0x140
[  370.974650][ T4546]  ? __x64_sys_mount+0x1c/0xc0
[  370.979441][ T4546]  do_syscall_64+0x4c/0xa0
[  370.983858][ T4546]  ? clear_bhb_loop+0x30/0x80
[  370.988541][ T4546]  ? clear_bhb_loop+0x30/0x80
[  370.993312][ T4546]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  370.999210][ T4546] RIP: 0033:0x7f15ce1bb34a
[  371.003631][ T4546] 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
[  371.023442][ T4546] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  371.031869][ T4546] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  371.039853][ T4546] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  371.047846][ T4546] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  371.055834][ T4546] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  371.063927][ T4546] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  371.072022][ T4546]  </TASK>
[  371.076849][ T4546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  371.090072][ T4546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  371.481163][ T4547] loop1: detected capacity change from 0 to 32768
[  371.499763][ T4547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  371.507202][ T4547] CPU: 1 PID: 4547 Comm: syz.1.186 Not tainted syzkaller #0
[  371.514643][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  371.524728][ T4547] Call Trace:
[  371.528043][ T4547]  <TASK>
[  371.531108][ T4547]  dump_stack_lvl+0x168/0x230
[  371.535827][ T4547]  ? show_regs_print_info+0x20/0x20
[  371.541182][ T4547]  ? load_image+0x3b0/0x3b0
[  371.545738][ T4547]  sysfs_create_dir_ns+0x252/0x280
[  371.550888][ T4547]  ? __lock_acquire+0x7c60/0x7c60
[  371.555949][ T4547]  ? sysfs_warn_dup+0xa0/0xa0
[  371.560667][ T4547]  ? do_raw_spin_unlock+0x11d/0x230
[  371.565893][ T4547]  kobject_add_internal+0x662/0xd00
[  371.571207][ T4547]  kobject_init_and_add+0x122/0x190
[  371.576448][ T4547]  ? lockdep_softirqs_off+0x420/0x420
[  371.581862][ T4547]  ? kobject_add+0x210/0x210
[  371.586495][ T4547]  ? __init_swait_queue_head+0xa5/0x150
[  371.592079][ T4547]  gfs2_sys_fs_add+0x234/0x480
[  371.597050][ T4547]  ? gfs2_recover_set+0x240/0x240
[  371.602202][ T4547]  ? snprintf+0xd7/0x120
[  371.606480][ T4547]  ? __free_pages+0x95/0x1a0
[  371.611112][ T4547]  ? vscnprintf+0x80/0x80
[  371.615613][ T4547]  gfs2_fill_super+0x128d/0x1f50
[  371.620593][ T4547]  ? gfs2_reconfigure+0xcd0/0xcd0
[  371.625644][ T4547]  ? preempt_count_add+0x8d/0x190
[  371.630686][ T4547]  ? sb_set_blocksize+0xa5/0xe0
[  371.635557][ T4547]  get_tree_bdev+0x3f1/0x610
[  371.640148][ T4547]  ? gfs2_reconfigure+0xcd0/0xcd0
[  371.645286][ T4547]  gfs2_get_tree+0x4d/0x1e0
[  371.650058][ T4547]  vfs_get_tree+0x88/0x270
[  371.654481][ T4547]  do_new_mount+0x24a/0xa40
[  371.659007][ T4547]  __se_sys_mount+0x2d6/0x3c0
[  371.663712][ T4547]  ? __x64_sys_mount+0xc0/0xc0
[  371.668674][ T4547]  ? lockdep_hardirqs_on+0x94/0x140
[  371.674125][ T4547]  ? __x64_sys_mount+0x1c/0xc0
[  371.678922][ T4547]  do_syscall_64+0x4c/0xa0
[  371.683440][ T4547]  ? clear_bhb_loop+0x30/0x80
[  371.688273][ T4547]  ? clear_bhb_loop+0x30/0x80
[  371.692995][ T4547]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  371.698896][ T4547] RIP: 0033:0x7f15ce1bb34a
[  371.703333][ T4547] 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
[  371.722960][ T4547] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  371.731646][ T4547] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  371.739623][ T4547] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  371.747608][ T4547] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  371.755603][ T4547] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  371.763578][ T4547] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  371.771664][ T4547]  </TASK>
[  371.775906][ T4547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  371.789142][ T4547] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/18 11:20:21 executed programs: 172
[  372.157039][ T4548] loop1: detected capacity change from 0 to 32768
[  372.219966][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  372.228252][ T4548] CPU: 1 PID: 4548 Comm: syz.1.187 Not tainted syzkaller #0
[  372.235588][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  372.245680][ T4548] Call Trace:
[  372.249006][ T4548]  <TASK>
[  372.251964][ T4548]  dump_stack_lvl+0x168/0x230
[  372.256687][ T4548]  ? show_regs_print_info+0x20/0x20
[  372.261926][ T4548]  ? load_image+0x3b0/0x3b0
[  372.266476][ T4548]  sysfs_create_dir_ns+0x252/0x280
[  372.271629][ T4548]  ? __lock_acquire+0x7c60/0x7c60
[  372.276699][ T4548]  ? sysfs_warn_dup+0xa0/0xa0
[  372.281431][ T4548]  ? do_raw_spin_unlock+0x11d/0x230
[  372.286678][ T4548]  kobject_add_internal+0x662/0xd00
[  372.291924][ T4548]  kobject_init_and_add+0x122/0x190
[  372.297168][ T4548]  ? lockdep_softirqs_off+0x420/0x420
[  372.302583][ T4548]  ? kobject_add+0x210/0x210
[  372.307222][ T4548]  ? __init_swait_queue_head+0xa5/0x150
[  372.312817][ T4548]  gfs2_sys_fs_add+0x234/0x480
[  372.317627][ T4548]  ? gfs2_recover_set+0x240/0x240
[  372.322684][ T4548]  ? snprintf+0xd7/0x120
[  372.326960][ T4548]  ? __free_pages+0x95/0x1a0
[  372.331586][ T4548]  ? vscnprintf+0x80/0x80
[  372.336025][ T4548]  gfs2_fill_super+0x128d/0x1f50
[  372.340979][ T4548]  ? gfs2_reconfigure+0xcd0/0xcd0
[  372.346103][ T4548]  ? preempt_count_add+0x8d/0x190
[  372.351369][ T4548]  ? sb_set_blocksize+0xa5/0xe0
[  372.356267][ T4548]  get_tree_bdev+0x3f1/0x610
[  372.360871][ T4548]  ? gfs2_reconfigure+0xcd0/0xcd0
[  372.365906][ T4548]  gfs2_get_tree+0x4d/0x1e0
[  372.370428][ T4548]  vfs_get_tree+0x88/0x270
[  372.374967][ T4548]  do_new_mount+0x24a/0xa40
[  372.379502][ T4548]  __se_sys_mount+0x2d6/0x3c0
[  372.384203][ T4548]  ? __x64_sys_mount+0xc0/0xc0
[  372.389014][ T4548]  ? lockdep_hardirqs_on+0x94/0x140
[  372.394258][ T4548]  ? __x64_sys_mount+0x1c/0xc0
[  372.399035][ T4548]  do_syscall_64+0x4c/0xa0
[  372.403589][ T4548]  ? clear_bhb_loop+0x30/0x80
[  372.408290][ T4548]  ? clear_bhb_loop+0x30/0x80
[  372.412993][ T4548]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  372.418893][ T4548] RIP: 0033:0x7f15ce1bb34a
[  372.423310][ T4548] 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
[  372.443161][ T4548] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  372.451801][ T4548] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  372.459961][ T4548] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  372.468042][ T4548] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  372.476127][ T4548] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  372.484314][ T4548] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  372.492620][ T4548]  </TASK>
[  372.496671][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  372.509990][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  372.910566][ T4549] loop1: detected capacity change from 0 to 32768
[  372.957262][ T4549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  372.964916][ T4549] CPU: 0 PID: 4549 Comm: syz.1.188 Not tainted syzkaller #0
[  372.972229][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  372.982488][ T4549] Call Trace:
[  372.985800][ T4549]  <TASK>
[  372.988760][ T4549]  dump_stack_lvl+0x168/0x230
[  372.993482][ T4549]  ? show_regs_print_info+0x20/0x20
[  372.998720][ T4549]  ? load_image+0x3b0/0x3b0
[  373.003278][ T4549]  sysfs_create_dir_ns+0x252/0x280
[  373.008450][ T4549]  ? __lock_acquire+0x7c60/0x7c60
[  373.013507][ T4549]  ? sysfs_warn_dup+0xa0/0xa0
[  373.018227][ T4549]  ? do_raw_spin_unlock+0x11d/0x230
[  373.023456][ T4549]  kobject_add_internal+0x662/0xd00
[  373.028789][ T4549]  kobject_init_and_add+0x122/0x190
[  373.034026][ T4549]  ? lockdep_softirqs_off+0x420/0x420
[  373.039453][ T4549]  ? kobject_add+0x210/0x210
[  373.044174][ T4549]  ? __init_swait_queue_head+0xa5/0x150
[  373.050112][ T4549]  gfs2_sys_fs_add+0x234/0x480
[  373.054914][ T4549]  ? gfs2_recover_set+0x240/0x240
[  373.059970][ T4549]  ? snprintf+0xd7/0x120
[  373.064245][ T4549]  ? __free_pages+0x95/0x1a0
[  373.068873][ T4549]  ? vscnprintf+0x80/0x80
[  373.073245][ T4549]  gfs2_fill_super+0x128d/0x1f50
[  373.078233][ T4549]  ? gfs2_reconfigure+0xcd0/0xcd0
[  373.083290][ T4549]  ? preempt_count_add+0x8d/0x190
[  373.088343][ T4549]  ? sb_set_blocksize+0xa5/0xe0
[  373.093337][ T4549]  get_tree_bdev+0x3f1/0x610
[  373.097961][ T4549]  ? gfs2_reconfigure+0xcd0/0xcd0
[  373.103017][ T4549]  gfs2_get_tree+0x4d/0x1e0
[  373.107745][ T4549]  vfs_get_tree+0x88/0x270
[  373.112206][ T4549]  do_new_mount+0x24a/0xa40
[  373.116744][ T4549]  __se_sys_mount+0x2d6/0x3c0
[  373.121614][ T4549]  ? __x64_sys_mount+0xc0/0xc0
[  373.126396][ T4549]  ? lockdep_hardirqs_on+0x94/0x140
[  373.131601][ T4549]  ? __x64_sys_mount+0x1c/0xc0
[  373.136390][ T4549]  do_syscall_64+0x4c/0xa0
[  373.140809][ T4549]  ? clear_bhb_loop+0x30/0x80
[  373.145486][ T4549]  ? clear_bhb_loop+0x30/0x80
[  373.150179][ T4549]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  373.156424][ T4549] RIP: 0033:0x7f15ce1bb34a
[  373.160846][ T4549] 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
[  373.180567][ T4549] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  373.189009][ T4549] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  373.197000][ T4549] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  373.205063][ T4549] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  373.213039][ T4549] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  373.221018][ T4549] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  373.229031][ T4549]  </TASK>
[  373.233835][ T4549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  373.247108][ T4549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  373.621673][ T4550] loop1: detected capacity change from 0 to 32768
[  373.672739][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  373.686201][ T4550] CPU: 0 PID: 4550 Comm: syz.1.189 Not tainted syzkaller #0
[  373.693551][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  373.703642][ T4550] Call Trace:
[  373.706951][ T4550]  <TASK>
[  373.709934][ T4550]  dump_stack_lvl+0x168/0x230
[  373.714652][ T4550]  ? show_regs_print_info+0x20/0x20
[  373.720075][ T4550]  ? load_image+0x3b0/0x3b0
[  373.724630][ T4550]  sysfs_create_dir_ns+0x252/0x280
[  373.729784][ T4550]  ? __lock_acquire+0x7c60/0x7c60
[  373.734852][ T4550]  ? sysfs_warn_dup+0xa0/0xa0
[  373.739576][ T4550]  ? do_raw_spin_unlock+0x11d/0x230
[  373.744898][ T4550]  kobject_add_internal+0x662/0xd00
[  373.750139][ T4550]  kobject_init_and_add+0x122/0x190
[  373.755468][ T4550]  ? lockdep_softirqs_off+0x420/0x420
[  373.760880][ T4550]  ? kobject_add+0x210/0x210
[  373.765514][ T4550]  ? __init_swait_queue_head+0xa5/0x150
[  373.771104][ T4550]  gfs2_sys_fs_add+0x234/0x480
[  373.775904][ T4550]  ? gfs2_recover_set+0x240/0x240
[  373.780965][ T4550]  ? snprintf+0xd7/0x120
[  373.785240][ T4550]  ? __free_pages+0x95/0x1a0
[  373.789868][ T4550]  ? vscnprintf+0x80/0x80
[  373.794248][ T4550]  gfs2_fill_super+0x128d/0x1f50
[  373.799235][ T4550]  ? gfs2_reconfigure+0xcd0/0xcd0
[  373.804305][ T4550]  ? preempt_count_add+0x8d/0x190
[  373.809362][ T4550]  ? sb_set_blocksize+0xa5/0xe0
[  373.814330][ T4550]  get_tree_bdev+0x3f1/0x610
[  373.818931][ T4550]  ? gfs2_reconfigure+0xcd0/0xcd0
[  373.823961][ T4550]  gfs2_get_tree+0x4d/0x1e0
[  373.828475][ T4550]  vfs_get_tree+0x88/0x270
[  373.833197][ T4550]  do_new_mount+0x24a/0xa40
[  373.837716][ T4550]  __se_sys_mount+0x2d6/0x3c0
[  373.842404][ T4550]  ? __x64_sys_mount+0xc0/0xc0
[  373.847181][ T4550]  ? lockdep_hardirqs_on+0x94/0x140
[  373.852410][ T4550]  ? __x64_sys_mount+0x1c/0xc0
[  373.857197][ T4550]  do_syscall_64+0x4c/0xa0
[  373.861621][ T4550]  ? clear_bhb_loop+0x30/0x80
[  373.866311][ T4550]  ? clear_bhb_loop+0x30/0x80
[  373.871023][ T4550]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  373.877014][ T4550] RIP: 0033:0x7f15ce1bb34a
[  373.881441][ T4550] 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
[  373.901055][ T4550] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  373.909490][ T4550] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  373.917581][ T4550] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  373.925575][ T4550] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  373.933556][ T4550] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  373.941535][ T4550] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  373.949543][ T4550]  </TASK>
[  373.954496][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  373.968083][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  374.343869][ T4551] loop1: detected capacity change from 0 to 32768
[  374.409479][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  374.416914][ T4551] CPU: 1 PID: 4551 Comm: syz.1.190 Not tainted syzkaller #0
[  374.424269][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  374.434359][ T4551] Call Trace:
[  374.437689][ T4551]  <TASK>
[  374.440649][ T4551]  dump_stack_lvl+0x168/0x230
[  374.445371][ T4551]  ? show_regs_print_info+0x20/0x20
[  374.450607][ T4551]  ? load_image+0x3b0/0x3b0
[  374.455174][ T4551]  sysfs_create_dir_ns+0x252/0x280
[  374.460428][ T4551]  ? __lock_acquire+0x7c60/0x7c60
[  374.465488][ T4551]  ? sysfs_warn_dup+0xa0/0xa0
[  374.470296][ T4551]  ? do_raw_spin_unlock+0x11d/0x230
[  374.475534][ T4551]  kobject_add_internal+0x662/0xd00
[  374.480782][ T4551]  kobject_init_and_add+0x122/0x190
[  374.486020][ T4551]  ? lockdep_softirqs_off+0x420/0x420
[  374.491441][ T4551]  ? kobject_add+0x210/0x210
[  374.496163][ T4551]  ? __init_swait_queue_head+0xa5/0x150
[  374.501751][ T4551]  gfs2_sys_fs_add+0x234/0x480
[  374.506637][ T4551]  ? gfs2_recover_set+0x240/0x240
[  374.511706][ T4551]  ? snprintf+0xd7/0x120
[  374.516076][ T4551]  ? __free_pages+0x95/0x1a0
[  374.520785][ T4551]  ? vscnprintf+0x80/0x80
[  374.525151][ T4551]  gfs2_fill_super+0x128d/0x1f50
[  374.530147][ T4551]  ? gfs2_reconfigure+0xcd0/0xcd0
[  374.535193][ T4551]  ? preempt_count_add+0x8d/0x190
[  374.540285][ T4551]  ? sb_set_blocksize+0xa5/0xe0
[  374.545154][ T4551]  get_tree_bdev+0x3f1/0x610
[  374.549794][ T4551]  ? gfs2_reconfigure+0xcd0/0xcd0
[  374.554845][ T4551]  gfs2_get_tree+0x4d/0x1e0
[  374.559387][ T4551]  vfs_get_tree+0x88/0x270
[  374.563822][ T4551]  do_new_mount+0x24a/0xa40
[  374.568360][ T4551]  __se_sys_mount+0x2d6/0x3c0
[  374.573061][ T4551]  ? __x64_sys_mount+0xc0/0xc0
[  374.577842][ T4551]  ? lockdep_hardirqs_on+0x94/0x140
[  374.583071][ T4551]  ? __x64_sys_mount+0x1c/0xc0
[  374.587856][ T4551]  do_syscall_64+0x4c/0xa0
[  374.592279][ T4551]  ? clear_bhb_loop+0x30/0x80
[  374.596973][ T4551]  ? clear_bhb_loop+0x30/0x80
[  374.601680][ T4551]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  374.607850][ T4551] RIP: 0033:0x7f15ce1bb34a
[  374.612280][ T4551] 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
[  374.631983][ T4551] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  374.640408][ T4551] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  374.648426][ T4551] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  374.656488][ T4551] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  374.664464][ T4551] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  374.672461][ T4551] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  374.680461][ T4551]  </TASK>
[  374.685168][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  374.698862][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  375.102090][ T4552] loop1: detected capacity change from 0 to 32768
[  375.158312][ T4552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  375.165976][ T4552] CPU: 0 PID: 4552 Comm: syz.1.191 Not tainted syzkaller #0
[  375.173324][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  375.183581][ T4552] Call Trace:
[  375.186894][ T4552]  <TASK>
[  375.189866][ T4552]  dump_stack_lvl+0x168/0x230
[  375.194586][ T4552]  ? show_regs_print_info+0x20/0x20
[  375.199955][ T4552]  ? load_image+0x3b0/0x3b0
[  375.204606][ T4552]  sysfs_create_dir_ns+0x252/0x280
[  375.209851][ T4552]  ? __lock_acquire+0x7c60/0x7c60
[  375.214915][ T4552]  ? sysfs_warn_dup+0xa0/0xa0
[  375.219642][ T4552]  ? do_raw_spin_unlock+0x11d/0x230
[  375.224898][ T4552]  kobject_add_internal+0x662/0xd00
[  375.230145][ T4552]  kobject_init_and_add+0x122/0x190
[  375.235383][ T4552]  ? lockdep_softirqs_off+0x420/0x420
[  375.240797][ T4552]  ? kobject_add+0x210/0x210
[  375.245429][ T4552]  ? __init_swait_queue_head+0xa5/0x150
[  375.251022][ T4552]  gfs2_sys_fs_add+0x234/0x480
[  375.255825][ T4552]  ? gfs2_recover_set+0x240/0x240
[  375.260892][ T4552]  ? snprintf+0xd7/0x120
[  375.265171][ T4552]  ? __free_pages+0x95/0x1a0
[  375.269809][ T4552]  ? vscnprintf+0x80/0x80
[  375.274204][ T4552]  gfs2_fill_super+0x128d/0x1f50
[  375.279166][ T4552]  ? gfs2_reconfigure+0xcd0/0xcd0
[  375.284217][ T4552]  ? preempt_count_add+0x8d/0x190
[  375.289263][ T4552]  ? sb_set_blocksize+0xa5/0xe0
[  375.294138][ T4552]  get_tree_bdev+0x3f1/0x610
[  375.298736][ T4552]  ? gfs2_reconfigure+0xcd0/0xcd0
[  375.303769][ T4552]  gfs2_get_tree+0x4d/0x1e0
[  375.308318][ T4552]  vfs_get_tree+0x88/0x270
[  375.312756][ T4552]  do_new_mount+0x24a/0xa40
[  375.317299][ T4552]  __se_sys_mount+0x2d6/0x3c0
[  375.322005][ T4552]  ? __x64_sys_mount+0xc0/0xc0
[  375.326778][ T4552]  ? lockdep_hardirqs_on+0x94/0x140
[  375.332001][ T4552]  ? __x64_sys_mount+0x1c/0xc0
[  375.336805][ T4552]  do_syscall_64+0x4c/0xa0
[  375.341248][ T4552]  ? clear_bhb_loop+0x30/0x80
[  375.345956][ T4552]  ? clear_bhb_loop+0x30/0x80
[  375.350643][ T4552]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  375.356547][ T4552] RIP: 0033:0x7f15ce1bb34a
[  375.360990][ T4552] 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
[  375.380604][ T4552] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  375.389065][ T4552] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  375.397071][ T4552] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  375.405059][ T4552] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  375.413041][ T4552] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  375.421026][ T4552] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  375.429035][ T4552]  </TASK>
[  375.434308][ T4552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  375.447715][ T4552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  375.827939][ T4553] loop1: detected capacity change from 0 to 32768
[  375.875028][ T4553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  375.882543][ T4553] CPU: 1 PID: 4553 Comm: syz.1.192 Not tainted syzkaller #0
[  375.889869][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  375.899960][ T4553] Call Trace:
[  375.903273][ T4553]  <TASK>
[  375.906235][ T4553]  dump_stack_lvl+0x168/0x230
[  375.910958][ T4553]  ? show_regs_print_info+0x20/0x20
[  375.916208][ T4553]  ? load_image+0x3b0/0x3b0
[  375.920764][ T4553]  sysfs_create_dir_ns+0x252/0x280
[  375.925908][ T4553]  ? __lock_acquire+0x7c60/0x7c60
[  375.930972][ T4553]  ? sysfs_warn_dup+0xa0/0xa0
[  375.935702][ T4553]  ? do_raw_spin_unlock+0x11d/0x230
[  375.940944][ T4553]  kobject_add_internal+0x662/0xd00
[  375.946182][ T4553]  kobject_init_and_add+0x122/0x190
[  375.951410][ T4553]  ? lockdep_softirqs_off+0x420/0x420
[  375.957002][ T4553]  ? kobject_add+0x210/0x210
[  375.961643][ T4553]  ? __init_swait_queue_head+0xa5/0x150
[  375.967236][ T4553]  gfs2_sys_fs_add+0x234/0x480
[  375.972142][ T4553]  ? gfs2_recover_set+0x240/0x240
[  375.977198][ T4553]  ? snprintf+0xd7/0x120
[  375.982185][ T4553]  ? __free_pages+0x95/0x1a0
[  375.986815][ T4553]  ? vscnprintf+0x80/0x80
[  375.991222][ T4553]  gfs2_fill_super+0x128d/0x1f50
[  375.996189][ T4553]  ? gfs2_reconfigure+0xcd0/0xcd0
[  376.001571][ T4553]  ? preempt_count_add+0x8d/0x190
[  376.006623][ T4553]  ? sb_set_blocksize+0xa5/0xe0
[  376.011482][ T4553]  get_tree_bdev+0x3f1/0x610
[  376.016101][ T4553]  ? gfs2_reconfigure+0xcd0/0xcd0
[  376.021177][ T4553]  gfs2_get_tree+0x4d/0x1e0
[  376.025691][ T4553]  vfs_get_tree+0x88/0x270
[  376.030695][ T4553]  do_new_mount+0x24a/0xa40
[  376.035221][ T4553]  __se_sys_mount+0x2d6/0x3c0
[  376.039919][ T4553]  ? __x64_sys_mount+0xc0/0xc0
[  376.044704][ T4553]  ? lockdep_hardirqs_on+0x94/0x140
[  376.049952][ T4553]  ? __x64_sys_mount+0x1c/0xc0
[  376.054825][ T4553]  do_syscall_64+0x4c/0xa0
[  376.059250][ T4553]  ? clear_bhb_loop+0x30/0x80
[  376.063971][ T4553]  ? clear_bhb_loop+0x30/0x80
[  376.068650][ T4553]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  376.074709][ T4553] RIP: 0033:0x7f15ce1bb34a
[  376.079141][ T4553] 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
[  376.099639][ T4553] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  376.108189][ T4553] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  376.116175][ T4553] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  376.124176][ T4553] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  376.132247][ T4553] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  376.140320][ T4553] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  376.148416][ T4553]  </TASK>
[  376.152197][ T4553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  376.165763][ T4553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  376.538050][ T4554] loop1: detected capacity change from 0 to 32768
[  376.588832][ T4554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  376.596279][ T4554] CPU: 0 PID: 4554 Comm: syz.1.193 Not tainted syzkaller #0
[  376.603598][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  376.613695][ T4554] Call Trace:
[  376.617003][ T4554]  <TASK>
[  376.619969][ T4554]  dump_stack_lvl+0x168/0x230
[  376.624776][ T4554]  ? show_regs_print_info+0x20/0x20
[  376.630097][ T4554]  ? load_image+0x3b0/0x3b0
[  376.634652][ T4554]  sysfs_create_dir_ns+0x252/0x280
[  376.639941][ T4554]  ? __lock_acquire+0x7c60/0x7c60
[  376.645100][ T4554]  ? sysfs_warn_dup+0xa0/0xa0
[  376.649823][ T4554]  ? do_raw_spin_unlock+0x11d/0x230
[  376.655065][ T4554]  kobject_add_internal+0x662/0xd00
[  376.660315][ T4554]  kobject_init_and_add+0x122/0x190
[  376.665550][ T4554]  ? lockdep_softirqs_off+0x420/0x420
[  376.670966][ T4554]  ? kobject_add+0x210/0x210
[  376.675598][ T4554]  ? __init_swait_queue_head+0xa5/0x150
[  376.681271][ T4554]  gfs2_sys_fs_add+0x234/0x480
[  376.686249][ T4554]  ? gfs2_recover_set+0x240/0x240
[  376.691511][ T4554]  ? snprintf+0xd7/0x120
[  376.695770][ T4554]  ? __free_pages+0x95/0x1a0
[  376.700379][ T4554]  ? vscnprintf+0x80/0x80
[  376.704990][ T4554]  gfs2_fill_super+0x128d/0x1f50
[  376.709950][ T4554]  ? gfs2_reconfigure+0xcd0/0xcd0
[  376.714988][ T4554]  ? preempt_count_add+0x8d/0x190
[  376.720310][ T4554]  ? sb_set_blocksize+0xa5/0xe0
[  376.725173][ T4554]  get_tree_bdev+0x3f1/0x610
[  376.729791][ T4554]  ? gfs2_reconfigure+0xcd0/0xcd0
[  376.734851][ T4554]  gfs2_get_tree+0x4d/0x1e0
[  376.739374][ T4554]  vfs_get_tree+0x88/0x270
[  376.743917][ T4554]  do_new_mount+0x24a/0xa40
[  376.748434][ T4554]  __se_sys_mount+0x2d6/0x3c0
[  376.753231][ T4554]  ? __x64_sys_mount+0xc0/0xc0
[  376.758020][ T4554]  ? lockdep_hardirqs_on+0x94/0x140
[  376.763239][ T4554]  ? __x64_sys_mount+0x1c/0xc0
[  376.768016][ T4554]  do_syscall_64+0x4c/0xa0
[  376.772434][ T4554]  ? clear_bhb_loop+0x30/0x80
[  376.777135][ T4554]  ? clear_bhb_loop+0x30/0x80
[  376.781920][ T4554]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  376.787823][ T4554] RIP: 0033:0x7f15ce1bb34a
[  376.792251][ T4554] 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
[  376.811866][ T4554] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  376.820291][ T4554] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  376.828275][ T4554] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  376.836285][ T4554] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  376.844270][ T4554] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  376.852318][ T4554] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  376.860314][ T4554]  </TASK>
[  376.864499][ T4554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  376.878391][ T4554] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/18 11:20:26 executed programs: 179
[  377.248379][ T4555] loop1: detected capacity change from 0 to 32768
[  377.307341][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  377.316018][ T4555] CPU: 0 PID: 4555 Comm: syz.1.194 Not tainted syzkaller #0
[  377.323336][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  377.333549][ T4555] Call Trace:
[  377.337005][ T4555]  <TASK>
[  377.339989][ T4555]  dump_stack_lvl+0x168/0x230
[  377.344711][ T4555]  ? show_regs_print_info+0x20/0x20
[  377.350007][ T4555]  ? load_image+0x3b0/0x3b0
[  377.354565][ T4555]  sysfs_create_dir_ns+0x252/0x280
[  377.359712][ T4555]  ? __lock_acquire+0x7c60/0x7c60
[  377.364777][ T4555]  ? sysfs_warn_dup+0xa0/0xa0
[  377.369664][ T4555]  ? do_raw_spin_unlock+0x11d/0x230
[  377.374900][ T4555]  kobject_add_internal+0x662/0xd00
[  377.380156][ T4555]  kobject_init_and_add+0x122/0x190
[  377.385667][ T4555]  ? lockdep_softirqs_off+0x420/0x420
[  377.391087][ T4555]  ? kobject_add+0x210/0x210
[  377.395717][ T4555]  ? __init_swait_queue_head+0xa5/0x150
[  377.401530][ T4555]  gfs2_sys_fs_add+0x234/0x480
[  377.406522][ T4555]  ? gfs2_recover_set+0x240/0x240
[  377.411713][ T4555]  ? snprintf+0xd7/0x120
[  377.416109][ T4555]  ? __free_pages+0x95/0x1a0
[  377.420740][ T4555]  ? vscnprintf+0x80/0x80
[  377.425113][ T4555]  gfs2_fill_super+0x128d/0x1f50
[  377.430075][ T4555]  ? gfs2_reconfigure+0xcd0/0xcd0
[  377.435118][ T4555]  ? preempt_count_add+0x8d/0x190
[  377.440276][ T4555]  ? sb_set_blocksize+0xa5/0xe0
[  377.445261][ T4555]  get_tree_bdev+0x3f1/0x610
[  377.449878][ T4555]  ? gfs2_reconfigure+0xcd0/0xcd0
[  377.454934][ T4555]  gfs2_get_tree+0x4d/0x1e0
[  377.459452][ T4555]  vfs_get_tree+0x88/0x270
[  377.463897][ T4555]  do_new_mount+0x24a/0xa40
[  377.468439][ T4555]  __se_sys_mount+0x2d6/0x3c0
[  377.473242][ T4555]  ? __x64_sys_mount+0xc0/0xc0
[  377.478036][ T4555]  ? lockdep_hardirqs_on+0x94/0x140
[  377.483263][ T4555]  ? __x64_sys_mount+0x1c/0xc0
[  377.488054][ T4555]  do_syscall_64+0x4c/0xa0
[  377.492482][ T4555]  ? clear_bhb_loop+0x30/0x80
[  377.497164][ T4555]  ? clear_bhb_loop+0x30/0x80
[  377.501963][ T4555]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  377.507877][ T4555] RIP: 0033:0x7f15ce1bb34a
[  377.512302][ T4555] 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
[  377.531922][ T4555] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  377.540618][ T4555] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  377.548978][ T4555] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  377.556976][ T4555] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  377.565084][ T4555] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  377.573086][ T4555] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  377.581087][ T4555]  </TASK>
[  377.590903][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  377.604504][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  378.006994][ T4556] loop1: detected capacity change from 0 to 32768
[  378.059357][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  378.069673][ T4556] CPU: 1 PID: 4556 Comm: syz.1.195 Not tainted syzkaller #0
[  378.077105][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  378.087272][ T4556] Call Trace:
[  378.090607][ T4556]  <TASK>
[  378.093568][ T4556]  dump_stack_lvl+0x168/0x230
[  378.098287][ T4556]  ? show_regs_print_info+0x20/0x20
[  378.103627][ T4556]  ? load_image+0x3b0/0x3b0
[  378.108293][ T4556]  sysfs_create_dir_ns+0x252/0x280
[  378.113453][ T4556]  ? __lock_acquire+0x7c60/0x7c60
[  378.118624][ T4556]  ? sysfs_warn_dup+0xa0/0xa0
[  378.123350][ T4556]  ? do_raw_spin_unlock+0x11d/0x230
[  378.128597][ T4556]  kobject_add_internal+0x662/0xd00
[  378.133867][ T4556]  kobject_init_and_add+0x122/0x190
[  378.139106][ T4556]  ? lockdep_softirqs_off+0x420/0x420
[  378.144526][ T4556]  ? kobject_add+0x210/0x210
[  378.149153][ T4556]  ? __init_swait_queue_head+0xa5/0x150
[  378.154740][ T4556]  gfs2_sys_fs_add+0x234/0x480
[  378.159535][ T4556]  ? gfs2_recover_set+0x240/0x240
[  378.164813][ T4556]  ? snprintf+0xd7/0x120
[  378.169449][ T4556]  ? __free_pages+0x95/0x1a0
[  378.174068][ T4556]  ? vscnprintf+0x80/0x80
[  378.178419][ T4556]  gfs2_fill_super+0x128d/0x1f50
[  378.183400][ T4556]  ? gfs2_reconfigure+0xcd0/0xcd0
[  378.188746][ T4556]  ? preempt_count_add+0x8d/0x190
[  378.194050][ T4556]  ? sb_set_blocksize+0xa5/0xe0
[  378.198950][ T4556]  get_tree_bdev+0x3f1/0x610
[  378.203594][ T4556]  ? gfs2_reconfigure+0xcd0/0xcd0
[  378.208737][ T4556]  gfs2_get_tree+0x4d/0x1e0
[  378.213252][ T4556]  vfs_get_tree+0x88/0x270
[  378.217677][ T4556]  do_new_mount+0x24a/0xa40
[  378.222219][ T4556]  __se_sys_mount+0x2d6/0x3c0
[  378.226924][ T4556]  ? __x64_sys_mount+0xc0/0xc0
[  378.231732][ T4556]  ? lockdep_hardirqs_on+0x94/0x140
[  378.236938][ T4556]  ? __x64_sys_mount+0x1c/0xc0
[  378.241725][ T4556]  do_syscall_64+0x4c/0xa0
[  378.246337][ T4556]  ? clear_bhb_loop+0x30/0x80
[  378.251126][ T4556]  ? clear_bhb_loop+0x30/0x80
[  378.255813][ T4556]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  378.261854][ T4556] RIP: 0033:0x7f15ce1bb34a
[  378.266291][ T4556] 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
[  378.286217][ T4556] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  378.294662][ T4556] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  378.302654][ T4556] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  378.310637][ T4556] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  378.318615][ T4556] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  378.326585][ T4556] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  378.334576][ T4556]  </TASK>
[  378.338776][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  378.351998][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  378.690383][ T1426] ieee802154 phy0 wpan0: encryption failed: -22
[  378.696765][ T1426] ieee802154 phy1 wpan1: encryption failed: -22
[  378.801092][ T4557] loop1: detected capacity change from 0 to 32768
[  378.900556][ T4557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  378.908774][ T4557] CPU: 0 PID: 4557 Comm: syz.1.196 Not tainted syzkaller #0
[  378.916117][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  378.926200][ T4557] Call Trace:
[  378.929504][ T4557]  <TASK>
[  378.932505][ T4557]  dump_stack_lvl+0x168/0x230
[  378.937238][ T4557]  ? show_regs_print_info+0x20/0x20
[  378.942669][ T4557]  ? load_image+0x3b0/0x3b0
[  378.947233][ T4557]  sysfs_create_dir_ns+0x252/0x280
[  378.952386][ T4557]  ? __lock_acquire+0x7c60/0x7c60
[  378.957458][ T4557]  ? sysfs_warn_dup+0xa0/0xa0
[  378.962183][ T4557]  ? do_raw_spin_unlock+0x11d/0x230
[  378.967417][ T4557]  kobject_add_internal+0x662/0xd00
[  378.972657][ T4557]  kobject_init_and_add+0x122/0x190
[  378.977888][ T4557]  ? lockdep_softirqs_off+0x420/0x420
[  378.983293][ T4557]  ? kobject_add+0x210/0x210
[  378.987909][ T4557]  ? __init_swait_queue_head+0xa5/0x150
[  378.993511][ T4557]  gfs2_sys_fs_add+0x234/0x480
[  378.998299][ T4557]  ? gfs2_recover_set+0x240/0x240
[  379.003330][ T4557]  ? snprintf+0xd7/0x120
[  379.007588][ T4557]  ? __free_pages+0x95/0x1a0
[  379.012228][ T4557]  ? vscnprintf+0x80/0x80
[  379.016574][ T4557]  gfs2_fill_super+0x128d/0x1f50
[  379.021619][ T4557]  ? gfs2_reconfigure+0xcd0/0xcd0
[  379.026793][ T4557]  ? preempt_count_add+0x8d/0x190
[  379.031847][ T4557]  ? sb_set_blocksize+0xa5/0xe0
[  379.036811][ T4557]  get_tree_bdev+0x3f1/0x610
[  379.041595][ T4557]  ? gfs2_reconfigure+0xcd0/0xcd0
[  379.046628][ T4557]  gfs2_get_tree+0x4d/0x1e0
[  379.051161][ T4557]  vfs_get_tree+0x88/0x270
[  379.055587][ T4557]  do_new_mount+0x24a/0xa40
[  379.060129][ T4557]  __se_sys_mount+0x2d6/0x3c0
[  379.064818][ T4557]  ? __x64_sys_mount+0xc0/0xc0
[  379.069586][ T4557]  ? lockdep_hardirqs_on+0x94/0x140
[  379.074813][ T4557]  ? __x64_sys_mount+0x1c/0xc0
[  379.079582][ T4557]  do_syscall_64+0x4c/0xa0
[  379.084021][ T4557]  ? clear_bhb_loop+0x30/0x80
[  379.088699][ T4557]  ? clear_bhb_loop+0x30/0x80
[  379.093403][ T4557]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  379.099445][ T4557] RIP: 0033:0x7f15ce1bb34a
[  379.104039][ T4557] 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
[  379.123662][ T4557] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  379.132185][ T4557] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  379.140170][ T4557] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  379.148153][ T4557] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  379.156144][ T4557] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  379.164404][ T4557] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  379.172397][ T4557]  </TASK>
[  379.176562][ T4557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  379.189950][ T4557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  379.565227][ T4558] loop1: detected capacity change from 0 to 32768
[  379.610042][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  379.620328][ T4558] CPU: 1 PID: 4558 Comm: syz.1.197 Not tainted syzkaller #0
[  379.627674][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  379.637953][ T4558] Call Trace:
[  379.641266][ T4558]  <TASK>
[  379.644230][ T4558]  dump_stack_lvl+0x168/0x230
[  379.648960][ T4558]  ? show_regs_print_info+0x20/0x20
[  379.654205][ T4558]  ? load_image+0x3b0/0x3b0
[  379.658765][ T4558]  sysfs_create_dir_ns+0x252/0x280
[  379.663920][ T4558]  ? __lock_acquire+0x7c60/0x7c60
[  379.669068][ T4558]  ? sysfs_warn_dup+0xa0/0xa0
[  379.673803][ T4558]  ? do_raw_spin_unlock+0x11d/0x230
[  379.679030][ T4558]  kobject_add_internal+0x662/0xd00
[  379.684350][ T4558]  kobject_init_and_add+0x122/0x190
[  379.689588][ T4558]  ? lockdep_softirqs_off+0x420/0x420
[  379.695006][ T4558]  ? kobject_add+0x210/0x210
[  379.699643][ T4558]  ? __init_swait_queue_head+0xa5/0x150
[  379.705229][ T4558]  gfs2_sys_fs_add+0x234/0x480
[  379.710119][ T4558]  ? gfs2_recover_set+0x240/0x240
[  379.715455][ T4558]  ? snprintf+0xd7/0x120
[  379.719829][ T4558]  ? __free_pages+0x95/0x1a0
[  379.724548][ T4558]  ? vscnprintf+0x80/0x80
[  379.729286][ T4558]  gfs2_fill_super+0x128d/0x1f50
[  379.734267][ T4558]  ? gfs2_reconfigure+0xcd0/0xcd0
[  379.739303][ T4558]  ? preempt_count_add+0x8d/0x190
[  379.744616][ T4558]  ? sb_set_blocksize+0xa5/0xe0
[  379.749482][ T4558]  get_tree_bdev+0x3f1/0x610
[  379.754099][ T4558]  ? gfs2_reconfigure+0xcd0/0xcd0
[  379.759152][ T4558]  gfs2_get_tree+0x4d/0x1e0
[  379.763677][ T4558]  vfs_get_tree+0x88/0x270
[  379.768145][ T4558]  do_new_mount+0x24a/0xa40
[  379.772707][ T4558]  __se_sys_mount+0x2d6/0x3c0
[  379.777443][ T4558]  ? __x64_sys_mount+0xc0/0xc0
[  379.782305][ T4558]  ? lockdep_hardirqs_on+0x94/0x140
[  379.787615][ T4558]  ? __x64_sys_mount+0x1c/0xc0
[  379.792451][ T4558]  do_syscall_64+0x4c/0xa0
[  379.796889][ T4558]  ? clear_bhb_loop+0x30/0x80
[  379.801579][ T4558]  ? clear_bhb_loop+0x30/0x80
[  379.806266][ T4558]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  379.812169][ T4558] RIP: 0033:0x7f15ce1bb34a
[  379.816590][ T4558] 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
[  379.836213][ T4558] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  379.844639][ T4558] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  379.852617][ T4558] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  379.860592][ T4558] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  379.868578][ T4558] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  379.876586][ T4558] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  379.884618][ T4558]  </TASK>
[  379.888486][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  379.902121][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  380.295978][ T4559] loop1: detected capacity change from 0 to 32768
[  380.349132][ T4559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  380.356806][ T4559] CPU: 1 PID: 4559 Comm: syz.1.198 Not tainted syzkaller #0
[  380.364142][ T4559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  380.374235][ T4559] Call Trace:
[  380.377555][ T4559]  <TASK>
[  380.380875][ T4559]  dump_stack_lvl+0x168/0x230
[  380.385588][ T4559]  ? show_regs_print_info+0x20/0x20
[  380.390822][ T4559]  ? load_image+0x3b0/0x3b0
[  380.395378][ T4559]  sysfs_create_dir_ns+0x252/0x280
[  380.400520][ T4559]  ? __lock_acquire+0x7c60/0x7c60
[  380.405599][ T4559]  ? sysfs_warn_dup+0xa0/0xa0
[  380.410579][ T4559]  ? do_raw_spin_unlock+0x11d/0x230
[  380.415845][ T4559]  kobject_add_internal+0x662/0xd00
[  380.421171][ T4559]  kobject_init_and_add+0x122/0x190
[  380.426403][ T4559]  ? lockdep_softirqs_off+0x420/0x420
[  380.431824][ T4559]  ? kobject_add+0x210/0x210
[  380.436458][ T4559]  ? __init_swait_queue_head+0xa5/0x150
[  380.442050][ T4559]  gfs2_sys_fs_add+0x234/0x480
[  380.446852][ T4559]  ? gfs2_recover_set+0x240/0x240
[  380.451912][ T4559]  ? snprintf+0xd7/0x120
[  380.456193][ T4559]  ? __free_pages+0x95/0x1a0
[  380.460832][ T4559]  ? vscnprintf+0x80/0x80
[  380.465222][ T4559]  gfs2_fill_super+0x128d/0x1f50
[  380.470330][ T4559]  ? gfs2_reconfigure+0xcd0/0xcd0
[  380.475373][ T4559]  ? preempt_count_add+0x8d/0x190
[  380.480436][ T4559]  ? sb_set_blocksize+0xa5/0xe0
[  380.485317][ T4559]  get_tree_bdev+0x3f1/0x610
[  380.489941][ T4559]  ? gfs2_reconfigure+0xcd0/0xcd0
[  380.494973][ T4559]  gfs2_get_tree+0x4d/0x1e0
[  380.499491][ T4559]  vfs_get_tree+0x88/0x270
[  380.503937][ T4559]  do_new_mount+0x24a/0xa40
[  380.508464][ T4559]  __se_sys_mount+0x2d6/0x3c0
[  380.513164][ T4559]  ? __x64_sys_mount+0xc0/0xc0
[  380.517939][ T4559]  ? lockdep_hardirqs_on+0x94/0x140
[  380.523187][ T4559]  ? __x64_sys_mount+0x1c/0xc0
[  380.527960][ T4559]  do_syscall_64+0x4c/0xa0
[  380.532383][ T4559]  ? clear_bhb_loop+0x30/0x80
[  380.537062][ T4559]  ? clear_bhb_loop+0x30/0x80
[  380.541742][ T4559]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  380.547750][ T4559] RIP: 0033:0x7f15ce1bb34a
[  380.552400][ T4559] 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
[  380.572174][ T4559] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  380.580616][ T4559] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  380.588771][ T4559] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  380.596752][ T4559] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  380.604732][ T4559] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  380.612716][ T4559] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  380.620720][ T4559]  </TASK>
[  380.624726][ T4559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  380.638191][ T4559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  380.997170][ T4560] loop1: detected capacity change from 0 to 32768
[  381.051082][ T4560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.060016][ T4560] CPU: 0 PID: 4560 Comm: syz.1.199 Not tainted syzkaller #0
[  381.067492][ T4560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  381.077692][ T4560] Call Trace:
[  381.081000][ T4560]  <TASK>
[  381.083956][ T4560]  dump_stack_lvl+0x168/0x230
[  381.088677][ T4560]  ? show_regs_print_info+0x20/0x20
[  381.095951][ T4560]  ? load_image+0x3b0/0x3b0
[  381.100932][ T4560]  sysfs_create_dir_ns+0x252/0x280
[  381.106180][ T4560]  ? __lock_acquire+0x7c60/0x7c60
[  381.111335][ T4560]  ? sysfs_warn_dup+0xa0/0xa0
[  381.116057][ T4560]  ? do_raw_spin_unlock+0x11d/0x230
[  381.121294][ T4560]  kobject_add_internal+0x662/0xd00
[  381.126682][ T4560]  kobject_init_and_add+0x122/0x190
[  381.131959][ T4560]  ? lockdep_softirqs_off+0x420/0x420
[  381.137487][ T4560]  ? kobject_add+0x210/0x210
[  381.142326][ T4560]  ? __init_swait_queue_head+0xa5/0x150
[  381.148016][ T4560]  gfs2_sys_fs_add+0x234/0x480
[  381.153003][ T4560]  ? gfs2_recover_set+0x240/0x240
[  381.158074][ T4560]  ? snprintf+0xd7/0x120
[  381.162345][ T4560]  ? __free_pages+0x95/0x1a0
[  381.167159][ T4560]  ? vscnprintf+0x80/0x80
[  381.171519][ T4560]  gfs2_fill_super+0x128d/0x1f50
[  381.176571][ T4560]  ? gfs2_reconfigure+0xcd0/0xcd0
[  381.181603][ T4560]  ? preempt_count_add+0x8d/0x190
[  381.186731][ T4560]  ? sb_set_blocksize+0xa5/0xe0
[  381.191622][ T4560]  get_tree_bdev+0x3f1/0x610
[  381.196301][ T4560]  ? gfs2_reconfigure+0xcd0/0xcd0
[  381.201411][ T4560]  gfs2_get_tree+0x4d/0x1e0
[  381.205937][ T4560]  vfs_get_tree+0x88/0x270
[  381.210453][ T4560]  do_new_mount+0x24a/0xa40
[  381.214967][ T4560]  __se_sys_mount+0x2d6/0x3c0
[  381.219675][ T4560]  ? __x64_sys_mount+0xc0/0xc0
[  381.224551][ T4560]  ? lockdep_hardirqs_on+0x94/0x140
[  381.229754][ T4560]  ? __x64_sys_mount+0x1c/0xc0
[  381.234636][ T4560]  do_syscall_64+0x4c/0xa0
[  381.239163][ T4560]  ? clear_bhb_loop+0x30/0x80
[  381.243965][ T4560]  ? clear_bhb_loop+0x30/0x80
[  381.248829][ T4560]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  381.254749][ T4560] RIP: 0033:0x7f15ce1bb34a
[  381.259174][ T4560] 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
[  381.278910][ T4560] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  381.287329][ T4560] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  381.295316][ T4560] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  381.303488][ T4560] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  381.311471][ T4560] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  381.319460][ T4560] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  381.327481][ T4560]  </TASK>
[  381.332342][ T4560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  381.345739][ T4560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  381.739315][ T4561] loop1: detected capacity change from 0 to 32768
[  381.782589][ T4561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.795574][ T4561] CPU: 1 PID: 4561 Comm: syz.1.200 Not tainted syzkaller #0
[  381.802920][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  381.813242][ T4561] Call Trace:
[  381.816561][ T4561]  <TASK>
[  381.819534][ T4561]  dump_stack_lvl+0x168/0x230
[  381.824259][ T4561]  ? show_regs_print_info+0x20/0x20
[  381.829877][ T4561]  ? load_image+0x3b0/0x3b0
[  381.834432][ T4561]  sysfs_create_dir_ns+0x252/0x280
[  381.839584][ T4561]  ? __lock_acquire+0x7c60/0x7c60
[  381.844657][ T4561]  ? sysfs_warn_dup+0xa0/0xa0
[  381.849388][ T4561]  ? do_raw_spin_unlock+0x11d/0x230
[  381.854632][ T4561]  kobject_add_internal+0x662/0xd00
[  381.859878][ T4561]  kobject_init_and_add+0x122/0x190
[  381.865113][ T4561]  ? lockdep_softirqs_off+0x420/0x420
[  381.870545][ T4561]  ? kobject_add+0x210/0x210
[  381.875193][ T4561]  ? __init_swait_queue_head+0xa5/0x150
[  381.880991][ T4561]  gfs2_sys_fs_add+0x234/0x480
[  381.885802][ T4561]  ? gfs2_recover_set+0x240/0x240
[  381.890860][ T4561]  ? snprintf+0xd7/0x120
[  381.895139][ T4561]  ? __free_pages+0x95/0x1a0
[  381.899762][ T4561]  ? vscnprintf+0x80/0x80
[  381.904112][ T4561]  gfs2_fill_super+0x128d/0x1f50
[  381.909073][ T4561]  ? gfs2_reconfigure+0xcd0/0xcd0
[  381.914131][ T4561]  ? preempt_count_add+0x8d/0x190
[  381.919172][ T4561]  ? sb_set_blocksize+0xa5/0xe0
[  381.924030][ T4561]  get_tree_bdev+0x3f1/0x610
[  381.928632][ T4561]  ? gfs2_reconfigure+0xcd0/0xcd0
[  381.933681][ T4561]  gfs2_get_tree+0x4d/0x1e0
[  381.938190][ T4561]  vfs_get_tree+0x88/0x270
[  381.942639][ T4561]  do_new_mount+0x24a/0xa40
[  381.947252][ T4561]  __se_sys_mount+0x2d6/0x3c0
[  381.951941][ T4561]  ? __x64_sys_mount+0xc0/0xc0
[  381.957009][ T4561]  ? lockdep_hardirqs_on+0x94/0x140
[  381.962314][ T4561]  ? __x64_sys_mount+0x1c/0xc0
[  381.967333][ T4561]  do_syscall_64+0x4c/0xa0
[  381.971806][ T4561]  ? clear_bhb_loop+0x30/0x80
[  381.976497][ T4561]  ? clear_bhb_loop+0x30/0x80
[  381.981194][ T4561]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  381.987223][ T4561] RIP: 0033:0x7f15ce1bb34a
[  381.991747][ T4561] 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
[  382.011371][ T4561] RSP: 002b:00007ffd183922c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  382.019972][ T4561] RAX: ffffffffffffffda RBX: 00007ffd18392350 RCX: 00007f15ce1bb34a
[  382.027958][ T4561] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffd18392310
[  382.035954][ T4561] RBP: 00002000000002c0 R08: 00007ffd18392350 R09: 0000000000008c9b
[  382.043928][ T4561] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  382.051904][ T4561] R13: 00007ffd18392310 R14: 0000000000012760 R15: 0000200000000400
[  382.059911][ T4561]  </TASK>
[  382.063780][   T27] INFO: task syz-executor:4320 blocked for more than 143 seconds.
[  382.072335][ T4561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  382.072366][   T27]       Not tainted syzkaller #0
[  382.085649][ T4561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  382.090993][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  382.106445][   T27] task:syz-executor    state:D stack:21984 pid: 4320 ppid:     1 flags:0x00004004
[  382.116091][   T27] Call Trace:
[  382.119757][   T27]  <TASK>
[  382.122719][   T27]  __schedule+0x11bb/0x4390
[  382.127325][   T27]  ? _raw_spin_lock_irqsave+0x7f/0xf0
[  382.132930][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x100
[  382.139030][   T27]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  382.145046][   T27]  ? _raw_spin_unlock+0x40/0x40
[  382.150032][   T27]  ? rcu_is_watching+0x11/0xa0
[  382.154850][   T27]  ? release_firmware_map_entry+0x190/0x190
[  382.161150][   T27]  schedule+0x11b/0x1e0
[  382.165351][   T27]  schedule_timeout+0x15c/0x280
[  382.170276][   T27]  ? console_conditional_schedule+0x40/0x40
[  382.176382][   T27]  ? update_process_times+0x200/0x200
[  382.181836][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  382.187333][   T27]  gfs2_gl_hash_clear+0x1a4/0x2f0
[  382.192443][   T27]  ? thaw_glock+0x150/0x150
[  382.196957][   T27]  ? gfs2_jindex_free+0x39b/0x400
[  382.202173][   T27]  ? init_wait_entry+0xd0/0xd0
[  382.207111][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  382.211793][   T27]  gfs2_put_super+0x769/0x7d0
[  382.216512][   T27]  ? gfs2_evict_inode+0x11f0/0x11f0
[  382.221762][   T27]  generic_shutdown_super+0x130/0x300
[  382.227169][   T27]  kill_block_super+0x7c/0xe0
[  382.231929][   T27]  deactivate_locked_super+0x93/0xf0
[  382.237317][   T27]  cleanup_mnt+0x418/0x4d0
[  382.241810][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  382.247023][   T27]  task_work_run+0x125/0x1a0
[  382.252046][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  382.257606][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  382.263534][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  382.269072][   T27]  do_syscall_64+0x58/0xa0
[  382.273523][   T27]  ? clear_bhb_loop+0x30/0x80
[  382.278277][   T27]  ? clear_bhb_loop+0x30/0x80
[  382.282978][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  382.288914][   T27] RIP: 0033:0x7f1382c1eed7
[  382.293352][   T27] RSP: 002b:00007ffcf03c8e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  382.301857][   T27] RAX: 0000000000000000 RBX: 00007f1382ca0c05 RCX: 00007f1382c1eed7
[  382.309974][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcf03c8ec0
[  382.318104][   T27] RBP: 00007ffcf03c8ec0 R08: 0000000000000000 R09: 0000000000000000
[  382.326290][   T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcf03c9f50
[  382.334334][   T27] R13: 00007f1382ca0c05 R14: 00000000000386ed R15: 00007ffcf03c9f90
[  382.342389][   T27]  </TASK>
[  382.345476][   T27] 
[  382.345476][   T27] Showing all locks held in the system:
[  382.353507][   T27] 1 lock held by khungtaskd/27:
[  382.358589][   T27]  #0: ffffffff8c11c660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  382.368423][   T27] 3 locks held by kworker/u4:4/3035:
[  382.373745][   T27]  #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[  382.383725][   T27]  #1: ffff8880b9027888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4d6/0x810
[  382.395392][   T27]  #2: ffff88807cd20d40 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0xa0/0x10b0
[  382.405132][   T27] 2 locks held by getty/3945:
[  382.409853][   T27]  #0: ffff88802ba94098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  382.419876][   T27]  #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[  382.430168][   T27] 1 lock held by syz-executor/4320:
[  382.435374][   T27]  #0: ffff88807b0e20e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  382.445667][   T27] 1 lock held by syz.1.200/4561:
[  382.450651][   T27]  #0: ffff888147970468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[  382.460126][   T27] 
[  382.462621][   T27] =============================================
[  382.462621][   T27] 
[  382.471713][   T27] NMI backtrace for cpu 1
[  382.476063][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  382.483402][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  382.493626][   T27] Call Trace:
[  382.496913][   T27]  <TASK>
[  382.499855][   T27]  dump_stack_lvl+0x168/0x230
[  382.504598][   T27]  ? show_regs_print_info+0x20/0x20
[  382.509808][   T27]  ? load_image+0x3b0/0x3b0
[  382.514439][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  382.519834][   T27]  ? nmi_cpu_backtrace+0x1b6/0x3d0
[  382.524981][   T27]  nmi_cpu_backtrace+0x397/0x3d0
[  382.530076][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  382.536250][   T27]  ? _printk+0xcc/0x110
[  382.540427][   T27]  ? load_image+0x3b0/0x3b0
[  382.544965][   T27]  ? load_image+0x3b0/0x3b0
[  382.549494][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  382.555586][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  382.561606][   T27]  watchdog+0xe0f/0xe50
[  382.565790][   T27]  kthread+0x436/0x520
[  382.570136][   T27]  ? hungtask_pm_notify+0x40/0x40
[  382.575607][   T27]  ? kthread_blkcg+0xd0/0xd0
[  382.580213][   T27]  ret_from_fork+0x1f/0x30
[  382.584718][   T27]  </TASK>
[  382.588105][   T27] Sending NMI from CPU 1 to CPUs 0:
[  382.593388][    C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[  382.594571][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  382.609433][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  382.616654][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  382.626734][   T27] Call Trace:
[  382.630024][   T27]  <TASK>
[  382.633160][   T27]  dump_stack_lvl+0x168/0x230
[  382.637900][   T27]  ? show_regs_print_info+0x20/0x20
[  382.643137][   T27]  ? load_image+0x3b0/0x3b0
[  382.647675][   T27]  panic+0x2c9/0x7f0
[  382.651611][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  382.657262][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  382.661814][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  382.668098][   T27]  watchdog+0xe4e/0xe50
[  382.672279][   T27]  kthread+0x436/0x520
[  382.676537][   T27]  ? hungtask_pm_notify+0x40/0x40
[  382.681741][   T27]  ? kthread_blkcg+0xd0/0xd0
[  382.686452][   T27]  ret_from_fork+0x1f/0x30
[  382.690922][   T27]  </TASK>
[  382.694257][   T27] Kernel Offset: disabled
[  382.698616][   T27] Rebooting in 86400 seconds..