T5427] ? show_regs_print_info+0x20/0x20
[ 222.230185][ T5427] ? load_image+0x3b0/0x3b0
[ 222.234710][ T5427] sysfs_create_dir_ns+0x252/0x280
[ 222.239848][ T5427] ? __lock_acquire+0x7c60/0x7c60
[ 222.244888][ T5427] ? sysfs_warn_dup+0xa0/0xa0
[ 222.249601][ T5427] ? do_raw_spin_unlock+0x11d/0x230
[ 222.254797][ T5427] kobject_add_internal+0x662/0xd00
[ 222.259987][ T5427] kobject_init_and_add+0x122/0x190
[ 222.265394][ T5427] ? lockdep_softirqs_off+0x420/0x420
[ 222.270864][ T5427] ? kobject_add+0x210/0x210
[ 222.275458][ T5427] ? __init_swait_queue_head+0xa5/0x150
[ 222.280997][ T5427] gfs2_sys_fs_add+0x234/0x480
[ 222.285789][ T5427] ? gfs2_recover_set+0x240/0x240
[ 222.290927][ T5427] ? snprintf+0xd7/0x120
[ 222.295162][ T5427] ? __free_pages+0x95/0x1a0
[ 222.299741][ T5427] ? vscnprintf+0x80/0x80
[ 222.304065][ T5427] gfs2_fill_super+0x128d/0x1f50
[ 222.308992][ T5427] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.313999][ T5427] ? preempt_count_add+0x8d/0x190
[ 222.319009][ T5427] ? sb_set_blocksize+0xa5/0xe0
[ 222.323931][ T5427] get_tree_bdev+0x3f1/0x610
[ 222.328537][ T5427] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.333717][ T5427] gfs2_get_tree+0x4d/0x1e0
[ 222.338203][ T5427] vfs_get_tree+0x88/0x270
[ 222.342602][ T5427] do_new_mount+0x24a/0xa40
[ 222.347378][ T5427] __se_sys_mount+0x2d6/0x3c0
[ 222.352262][ T5427] ? __x64_sys_mount+0xc0/0xc0
[ 222.357043][ T5427] ? lockdep_hardirqs_on+0x94/0x140
[ 222.362260][ T5427] ? __x64_sys_mount+0x1c/0xc0
[ 222.367168][ T5427] do_syscall_64+0x4c/0xa0
[ 222.371686][ T5427] ? clear_bhb_loop+0x30/0x80
[ 222.376382][ T5427] ? clear_bhb_loop+0x30/0x80
[ 222.381076][ T5427] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.386970][ T5427] RIP: 0033:0x7fc8cefd138a
[ 222.391387][ T5427] 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
[ 222.411088][ T5427] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.419499][ T5427] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 222.427477][ T5427] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 222.435489][ T5427] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 222.443478][ T5427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.451445][ T5427] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.459448][ T5427]
[ 222.471059][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.484633][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.818013][ T5429] loop1: detected capacity change from 0 to 32768
[ 222.886894][ T5429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.894469][ T5429] CPU: 1 PID: 5429 Comm: syz.1.171 Not tainted syzkaller #0
[ 222.901942][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.912194][ T5429] Call Trace:
[ 222.915499][ T5429]
[ 222.918460][ T5429] dump_stack_lvl+0x168/0x230
[ 222.923457][ T5429] ? show_regs_print_info+0x20/0x20
[ 222.928780][ T5429] ? load_image+0x3b0/0x3b0
[ 222.933320][ T5429] sysfs_create_dir_ns+0x252/0x280
[ 222.938573][ T5429] ? __lock_acquire+0x7c60/0x7c60
[ 222.943623][ T5429] ? sysfs_warn_dup+0xa0/0xa0
[ 222.948324][ T5429] ? do_raw_spin_unlock+0x11d/0x230
[ 222.953631][ T5429] kobject_add_internal+0x662/0xd00
[ 222.958949][ T5429] kobject_init_and_add+0x122/0x190
[ 222.964469][ T5429] ? lockdep_softirqs_off+0x420/0x420
[ 222.969951][ T5429] ? kobject_add+0x210/0x210
[ 222.974746][ T5429] ? __init_swait_queue_head+0xa5/0x150
[ 222.980501][ T5429] gfs2_sys_fs_add+0x234/0x480
[ 222.985540][ T5429] ? gfs2_recover_set+0x240/0x240
[ 222.990744][ T5429] ? snprintf+0xd7/0x120
[ 222.995107][ T5429] ? __free_pages+0x95/0x1a0
[ 222.999708][ T5429] ? vscnprintf+0x80/0x80
[ 223.004077][ T5429] gfs2_fill_super+0x128d/0x1f50
[ 223.009142][ T5429] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.014170][ T5429] ? preempt_count_add+0x8d/0x190
[ 223.019291][ T5429] ? sb_set_blocksize+0xa5/0xe0
[ 223.024218][ T5429] get_tree_bdev+0x3f1/0x610
[ 223.028799][ T5429] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.033804][ T5429] gfs2_get_tree+0x4d/0x1e0
[ 223.038289][ T5429] vfs_get_tree+0x88/0x270
[ 223.042685][ T5429] do_new_mount+0x24a/0xa40
[ 223.047180][ T5429] __se_sys_mount+0x2d6/0x3c0
[ 223.051857][ T5429] ? __x64_sys_mount+0xc0/0xc0
[ 223.056621][ T5429] ? lockdep_hardirqs_on+0x94/0x140
[ 223.061800][ T5429] ? __x64_sys_mount+0x1c/0xc0
[ 223.066557][ T5429] do_syscall_64+0x4c/0xa0
[ 223.070966][ T5429] ? clear_bhb_loop+0x30/0x80
[ 223.075620][ T5429] ? clear_bhb_loop+0x30/0x80
[ 223.080288][ T5429] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.086162][ T5429] RIP: 0033:0x7fc8cefd138a
[ 223.090817][ T5429] 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
[ 223.110419][ T5429] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.118825][ T5429] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 223.126800][ T5429] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 223.134882][ T5429] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 223.142942][ T5429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.150916][ T5429] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.158902][ T5429]
[ 223.163342][ T5429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.176752][ T5429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.536281][ T5431] loop1: detected capacity change from 0 to 32768
[ 223.600193][ T5431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.608151][ T5431] CPU: 0 PID: 5431 Comm: syz.1.172 Not tainted syzkaller #0
[ 223.615553][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 223.625828][ T5431] Call Trace:
[ 223.629123][ T5431]
[ 223.632059][ T5431] dump_stack_lvl+0x168/0x230
[ 223.636850][ T5431] ? show_regs_print_info+0x20/0x20
[ 223.642073][ T5431] ? load_image+0x3b0/0x3b0
[ 223.646754][ T5431] sysfs_create_dir_ns+0x252/0x280
[ 223.651980][ T5431] ? __lock_acquire+0x7c60/0x7c60
[ 223.657596][ T5431] ? sysfs_warn_dup+0xa0/0xa0
[ 223.662575][ T5431] ? do_raw_spin_unlock+0x11d/0x230
[ 223.667797][ T5431] kobject_add_internal+0x662/0xd00
[ 223.673116][ T5431] kobject_init_and_add+0x122/0x190
[ 223.678501][ T5431] ? lockdep_softirqs_off+0x420/0x420
[ 223.683994][ T5431] ? kobject_add+0x210/0x210
[ 223.688587][ T5431] ? __init_swait_queue_head+0xa5/0x150
[ 223.694223][ T5431] gfs2_sys_fs_add+0x234/0x480
[ 223.698998][ T5431] ? gfs2_recover_set+0x240/0x240
[ 223.704113][ T5431] ? snprintf+0xd7/0x120
[ 223.708374][ T5431] ? __free_pages+0x95/0x1a0
[ 223.712961][ T5431] ? vscnprintf+0x80/0x80
[ 223.717301][ T5431] gfs2_fill_super+0x128d/0x1f50
[ 223.722249][ T5431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.727280][ T5431] ? preempt_count_add+0x8d/0x190
[ 223.732345][ T5431] ? sb_set_blocksize+0xa5/0xe0
[ 223.737202][ T5431] get_tree_bdev+0x3f1/0x610
[ 223.741810][ T5431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.746861][ T5431] gfs2_get_tree+0x4d/0x1e0
[ 223.751395][ T5431] vfs_get_tree+0x88/0x270
[ 223.755851][ T5431] do_new_mount+0x24a/0xa40
[ 223.760478][ T5431] __se_sys_mount+0x2d6/0x3c0
[ 223.765255][ T5431] ? __x64_sys_mount+0xc0/0xc0
[ 223.770033][ T5431] ? lockdep_hardirqs_on+0x94/0x140
[ 223.775234][ T5431] ? __x64_sys_mount+0x1c/0xc0
[ 223.780023][ T5431] do_syscall_64+0x4c/0xa0
[ 223.784428][ T5431] ? clear_bhb_loop+0x30/0x80
[ 223.789103][ T5431] ? clear_bhb_loop+0x30/0x80
[ 223.793766][ T5431] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.799646][ T5431] RIP: 0033:0x7fc8cefd138a
[ 223.804049][ T5431] 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
[ 223.823734][ T5431] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.832158][ T5431] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 223.840154][ T5431] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 223.848233][ T5431] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 223.856211][ T5431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.864271][ T5431] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.872266][ T5431]
[ 223.876361][ T5431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.889549][ T5431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.214687][ T5433] loop1: detected capacity change from 0 to 32768
[ 224.234438][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.243003][ T5433] CPU: 0 PID: 5433 Comm: syz.1.173 Not tainted syzkaller #0
[ 224.250411][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 224.260619][ T5433] Call Trace:
[ 224.263910][ T5433]
[ 224.266880][ T5433] dump_stack_lvl+0x168/0x230
[ 224.271812][ T5433] ? show_regs_print_info+0x20/0x20
[ 224.277039][ T5433] ? load_image+0x3b0/0x3b0
[ 224.287056][ T5433] sysfs_create_dir_ns+0x252/0x280
[ 224.292198][ T5433] ? __lock_acquire+0x7c60/0x7c60
[ 224.297244][ T5433] ? sysfs_warn_dup+0xa0/0xa0
[ 224.302109][ T5433] ? do_raw_spin_unlock+0x11d/0x230
[ 224.307316][ T5433] kobject_add_internal+0x662/0xd00
[ 224.312710][ T5433] kobject_init_and_add+0x122/0x190
[ 224.317916][ T5433] ? lockdep_softirqs_off+0x420/0x420
[ 224.323409][ T5433] ? kobject_add+0x210/0x210
[ 224.328220][ T5433] ? __init_swait_queue_head+0xa5/0x150
[ 224.333760][ T5433] gfs2_sys_fs_add+0x234/0x480
[ 224.338512][ T5433] ? gfs2_recover_set+0x240/0x240
[ 224.343617][ T5433] ? snprintf+0xd7/0x120
[ 224.348040][ T5433] ? __free_pages+0x95/0x1a0
[ 224.352640][ T5433] ? vscnprintf+0x80/0x80
[ 224.356956][ T5433] gfs2_fill_super+0x128d/0x1f50
[ 224.361906][ T5433] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.366913][ T5433] ? preempt_count_add+0x8d/0x190
[ 224.371937][ T5433] ? sb_set_blocksize+0xa5/0xe0
[ 224.376771][ T5433] get_tree_bdev+0x3f1/0x610
[ 224.381530][ T5433] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.386673][ T5433] gfs2_get_tree+0x4d/0x1e0
[ 224.391178][ T5433] vfs_get_tree+0x88/0x270
[ 224.395602][ T5433] do_new_mount+0x24a/0xa40
[ 224.400292][ T5433] __se_sys_mount+0x2d6/0x3c0
[ 224.404987][ T5433] ? __x64_sys_mount+0xc0/0xc0
[ 224.409737][ T5433] ? lockdep_hardirqs_on+0x94/0x140
[ 224.414927][ T5433] ? __x64_sys_mount+0x1c/0xc0
[ 224.419767][ T5433] do_syscall_64+0x4c/0xa0
[ 224.424210][ T5433] ? clear_bhb_loop+0x30/0x80
[ 224.428964][ T5433] ? clear_bhb_loop+0x30/0x80
[ 224.433645][ T5433] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.439536][ T5433] RIP: 0033:0x7fc8cefd138a
[ 224.444118][ T5433] 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
[ 224.463727][ T5433] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.472227][ T5433] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 224.480205][ T5433] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 224.488282][ T5433] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 224.496283][ T5433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.504399][ T5433] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.512380][ T5433]
[ 224.517121][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.530908][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.855822][ T5435] loop1: detected capacity change from 0 to 32768
[ 224.917496][ T5435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.925002][ T5435] CPU: 0 PID: 5435 Comm: syz.1.174 Not tainted syzkaller #0
[ 224.932315][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 224.942646][ T5435] Call Trace:
[ 224.945948][ T5435]
[ 224.948891][ T5435] dump_stack_lvl+0x168/0x230
[ 224.953724][ T5435] ? show_regs_print_info+0x20/0x20
[ 224.958949][ T5435] ? load_image+0x3b0/0x3b0
[ 224.963591][ T5435] sysfs_create_dir_ns+0x252/0x280
[ 224.968734][ T5435] ? __lock_acquire+0x7c60/0x7c60
[ 224.973769][ T5435] ? sysfs_warn_dup+0xa0/0xa0
[ 224.978461][ T5435] ? do_raw_spin_unlock+0x11d/0x230
[ 224.983679][ T5435] kobject_add_internal+0x662/0xd00
[ 224.988905][ T5435] kobject_init_and_add+0x122/0x190
[ 224.994111][ T5435] ? lockdep_softirqs_off+0x420/0x420
[ 224.999650][ T5435] ? kobject_add+0x210/0x210
[ 225.004231][ T5435] ? __init_swait_queue_head+0xa5/0x150
[ 225.009760][ T5435] gfs2_sys_fs_add+0x234/0x480
[ 225.014507][ T5435] ? gfs2_recover_set+0x240/0x240
[ 225.019613][ T5435] ? snprintf+0xd7/0x120
[ 225.023833][ T5435] ? __free_pages+0x95/0x1a0
[ 225.028421][ T5435] ? vscnprintf+0x80/0x80
[ 225.032758][ T5435] gfs2_fill_super+0x128d/0x1f50
[ 225.037694][ T5435] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.042950][ T5435] ? preempt_count_add+0x8d/0x190
[ 225.047983][ T5435] ? sb_set_blocksize+0xa5/0xe0
[ 225.052838][ T5435] get_tree_bdev+0x3f1/0x610
[ 225.057526][ T5435] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.062649][ T5435] gfs2_get_tree+0x4d/0x1e0
[ 225.067160][ T5435] vfs_get_tree+0x88/0x270
[ 225.071573][ T5435] do_new_mount+0x24a/0xa40
[ 225.076065][ T5435] __se_sys_mount+0x2d6/0x3c0
[ 225.080759][ T5435] ? __x64_sys_mount+0xc0/0xc0
[ 225.085529][ T5435] ? lockdep_hardirqs_on+0x94/0x140
[ 225.090725][ T5435] ? __x64_sys_mount+0x1c/0xc0
[ 225.095581][ T5435] do_syscall_64+0x4c/0xa0
[ 225.099982][ T5435] ? clear_bhb_loop+0x30/0x80
[ 225.104641][ T5435] ? clear_bhb_loop+0x30/0x80
[ 225.109411][ T5435] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.115555][ T5435] RIP: 0033:0x7fc8cefd138a
[ 225.119956][ T5435] 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
[ 225.139730][ T5435] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.148139][ T5435] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 225.156102][ T5435] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 225.164059][ T5435] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 225.172037][ T5435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.180004][ T5435] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.188202][ T5435]
[ 225.194063][ T5435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.207469][ T5435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.537093][ T5437] loop1: detected capacity change from 0 to 32768
[ 225.587244][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.594802][ T5437] CPU: 0 PID: 5437 Comm: syz.1.175 Not tainted syzkaller #0
[ 225.602236][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 225.612311][ T5437] Call Trace:
[ 225.615617][ T5437]
[ 225.618604][ T5437] dump_stack_lvl+0x168/0x230
[ 225.623314][ T5437] ? show_regs_print_info+0x20/0x20
[ 225.628642][ T5437] ? load_image+0x3b0/0x3b0
[ 225.633269][ T5437] sysfs_create_dir_ns+0x252/0x280
[ 225.638519][ T5437] ? __lock_acquire+0x7c60/0x7c60
[ 225.643579][ T5437] ? sysfs_warn_dup+0xa0/0xa0
[ 225.648366][ T5437] ? do_raw_spin_unlock+0x11d/0x230
[ 225.653684][ T5437] kobject_add_internal+0x662/0xd00
[ 225.658909][ T5437] kobject_init_and_add+0x122/0x190
[ 225.664116][ T5437] ? lockdep_softirqs_off+0x420/0x420
[ 225.669575][ T5437] ? kobject_add+0x210/0x210
[ 225.674156][ T5437] ? __init_swait_queue_head+0xa5/0x150
[ 225.679698][ T5437] gfs2_sys_fs_add+0x234/0x480
[ 225.684562][ T5437] ? gfs2_recover_set+0x240/0x240
[ 225.689581][ T5437] ? snprintf+0xd7/0x120
[ 225.693813][ T5437] ? __free_pages+0x95/0x1a0
[ 225.698391][ T5437] ? vscnprintf+0x80/0x80
[ 225.702728][ T5437] gfs2_fill_super+0x128d/0x1f50
[ 225.707658][ T5437] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.712666][ T5437] ? preempt_count_add+0x8d/0x190
[ 225.717704][ T5437] ? sb_set_blocksize+0xa5/0xe0
[ 225.722540][ T5437] get_tree_bdev+0x3f1/0x610
[ 225.727116][ T5437] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.732130][ T5437] gfs2_get_tree+0x4d/0x1e0
[ 225.736612][ T5437] vfs_get_tree+0x88/0x270
[ 225.741007][ T5437] do_new_mount+0x24a/0xa40
[ 225.745494][ T5437] __se_sys_mount+0x2d6/0x3c0
[ 225.750160][ T5437] ? __x64_sys_mount+0xc0/0xc0
[ 225.754920][ T5437] ? lockdep_hardirqs_on+0x94/0x140
[ 225.760122][ T5437] ? __x64_sys_mount+0x1c/0xc0
[ 225.764946][ T5437] do_syscall_64+0x4c/0xa0
[ 225.769467][ T5437] ? clear_bhb_loop+0x30/0x80
[ 225.774146][ T5437] ? clear_bhb_loop+0x30/0x80
[ 225.778833][ T5437] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.784880][ T5437] RIP: 0033:0x7fc8cefd138a
[ 225.789416][ T5437] 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
[ 225.809125][ T5437] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.817534][ T5437] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 225.825496][ T5437] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 225.833543][ T5437] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 225.841502][ T5437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.849606][ T5437] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.857784][ T5437]
[ 225.861826][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.874995][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.181303][ T5439] loop1: detected capacity change from 0 to 32768
[ 226.237408][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.244875][ T5439] CPU: 1 PID: 5439 Comm: syz.1.176 Not tainted syzkaller #0
[ 226.252177][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 226.262337][ T5439] Call Trace:
[ 226.265632][ T5439]
[ 226.268577][ T5439] dump_stack_lvl+0x168/0x230
[ 226.273279][ T5439] ? show_regs_print_info+0x20/0x20
[ 226.278500][ T5439] ? load_image+0x3b0/0x3b0
[ 226.283024][ T5439] sysfs_create_dir_ns+0x252/0x280
[ 226.288173][ T5439] ? __lock_acquire+0x7c60/0x7c60
[ 226.293351][ T5439] ? sysfs_warn_dup+0xa0/0xa0
[ 226.298055][ T5439] ? do_raw_spin_unlock+0x11d/0x230
[ 226.303455][ T5439] kobject_add_internal+0x662/0xd00
[ 226.308829][ T5439] kobject_init_and_add+0x122/0x190
[ 226.314040][ T5439] ? lockdep_softirqs_off+0x420/0x420
[ 226.319445][ T5439] ? kobject_add+0x210/0x210
[ 226.324147][ T5439] ? __init_swait_queue_head+0xa5/0x150
[ 226.329698][ T5439] gfs2_sys_fs_add+0x234/0x480
[ 226.334659][ T5439] ? gfs2_recover_set+0x240/0x240
[ 226.339692][ T5439] ? snprintf+0xd7/0x120
[ 226.344055][ T5439] ? __free_pages+0x95/0x1a0
[ 226.348649][ T5439] ? vscnprintf+0x80/0x80
[ 226.353007][ T5439] gfs2_fill_super+0x128d/0x1f50
[ 226.357957][ T5439] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.362981][ T5439] ? preempt_count_add+0x8d/0x190
[ 226.368117][ T5439] ? sb_set_blocksize+0xa5/0xe0
[ 226.373052][ T5439] get_tree_bdev+0x3f1/0x610
[ 226.377657][ T5439] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.382674][ T5439] gfs2_get_tree+0x4d/0x1e0
[ 226.387191][ T5439] vfs_get_tree+0x88/0x270
[ 226.391592][ T5439] do_new_mount+0x24a/0xa40
[ 226.396194][ T5439] __se_sys_mount+0x2d6/0x3c0
[ 226.400867][ T5439] ? __x64_sys_mount+0xc0/0xc0
[ 226.405798][ T5439] ? lockdep_hardirqs_on+0x94/0x140
[ 226.410981][ T5439] ? __x64_sys_mount+0x1c/0xc0
[ 226.415737][ T5439] do_syscall_64+0x4c/0xa0
[ 226.420161][ T5439] ? clear_bhb_loop+0x30/0x80
[ 226.424819][ T5439] ? clear_bhb_loop+0x30/0x80
[ 226.429479][ T5439] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.435491][ T5439] RIP: 0033:0x7fc8cefd138a
[ 226.439931][ T5439] 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
[ 226.459533][ T5439] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.467954][ T5439] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 226.475941][ T5439] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 226.483913][ T5439] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 226.491874][ T5439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.499881][ T5439] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.507864][ T5439]
[ 226.511598][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.525401][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.851113][ T5441] loop1: detected capacity change from 0 to 32768
[ 226.918649][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.926272][ T5441] CPU: 0 PID: 5441 Comm: syz.1.177 Not tainted syzkaller #0
[ 226.933584][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 226.943744][ T5441] Call Trace:
[ 226.947041][ T5441]
[ 226.949980][ T5441] dump_stack_lvl+0x168/0x230
[ 226.954692][ T5441] ? show_regs_print_info+0x20/0x20
[ 226.959956][ T5441] ? load_image+0x3b0/0x3b0
[ 226.964503][ T5441] sysfs_create_dir_ns+0x252/0x280
[ 226.969646][ T5441] ? __lock_acquire+0x7c60/0x7c60
[ 226.974693][ T5441] ? sysfs_warn_dup+0xa0/0xa0
[ 226.979383][ T5441] ? do_raw_spin_unlock+0x11d/0x230
[ 226.984696][ T5441] kobject_add_internal+0x662/0xd00
[ 226.989921][ T5441] kobject_init_and_add+0x122/0x190
[ 226.995145][ T5441] ? lockdep_softirqs_off+0x420/0x420
[ 227.000542][ T5441] ? kobject_add+0x210/0x210
[ 227.005154][ T5441] ? __init_swait_queue_head+0xa5/0x150
[ 227.010716][ T5441] gfs2_sys_fs_add+0x234/0x480
[ 227.015592][ T5441] ? gfs2_recover_set+0x240/0x240
[ 227.020612][ T5441] ? snprintf+0xd7/0x120
[ 227.024843][ T5441] ? __free_pages+0x95/0x1a0
[ 227.029430][ T5441] ? vscnprintf+0x80/0x80
[ 227.033767][ T5441] gfs2_fill_super+0x128d/0x1f50
[ 227.038712][ T5441] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.043760][ T5441] ? preempt_count_add+0x8d/0x190
[ 227.049348][ T5441] ? sb_set_blocksize+0xa5/0xe0
[ 227.054196][ T5441] get_tree_bdev+0x3f1/0x610
[ 227.059406][ T5441] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.064436][ T5441] gfs2_get_tree+0x4d/0x1e0
[ 227.069134][ T5441] vfs_get_tree+0x88/0x270
[ 227.073580][ T5441] do_new_mount+0x24a/0xa40
[ 227.078308][ T5441] __se_sys_mount+0x2d6/0x3c0
[ 227.082983][ T5441] ? __x64_sys_mount+0xc0/0xc0
[ 227.087851][ T5441] ? lockdep_hardirqs_on+0x94/0x140
[ 227.093162][ T5441] ? __x64_sys_mount+0x1c/0xc0
[ 227.098015][ T5441] do_syscall_64+0x4c/0xa0
[ 227.102664][ T5441] ? clear_bhb_loop+0x30/0x80
[ 227.107351][ T5441] ? clear_bhb_loop+0x30/0x80
[ 227.112058][ T5441] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.117982][ T5441] RIP: 0033:0x7fc8cefd138a
[ 227.122397][ T5441] 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
[ 227.142186][ T5441] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.150600][ T5441] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 227.158769][ T5441] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 227.166989][ T5441] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 227.174972][ T5441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.182946][ T5441] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.190932][ T5441]
[ 227.195502][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.208706][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 08:03:23 executed programs: 163
[ 227.526061][ T5443] loop1: detected capacity change from 0 to 32768
[ 227.611204][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.618807][ T5443] CPU: 0 PID: 5443 Comm: syz.1.178 Not tainted syzkaller #0
[ 227.626200][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 227.636392][ T5443] Call Trace:
[ 227.639681][ T5443]
[ 227.642629][ T5443] dump_stack_lvl+0x168/0x230
[ 227.647339][ T5443] ? show_regs_print_info+0x20/0x20
[ 227.652578][ T5443] ? load_image+0x3b0/0x3b0
[ 227.657155][ T5443] sysfs_create_dir_ns+0x252/0x280
[ 227.662294][ T5443] ? __lock_acquire+0x7c60/0x7c60
[ 227.667362][ T5443] ? sysfs_warn_dup+0xa0/0xa0
[ 227.672096][ T5443] ? do_raw_spin_unlock+0x11d/0x230
[ 227.677321][ T5443] kobject_add_internal+0x662/0xd00
[ 227.682540][ T5443] kobject_init_and_add+0x122/0x190
[ 227.687750][ T5443] ? lockdep_softirqs_off+0x420/0x420
[ 227.693130][ T5443] ? kobject_add+0x210/0x210
[ 227.697858][ T5443] ? __init_swait_queue_head+0xa5/0x150
[ 227.703696][ T5443] gfs2_sys_fs_add+0x234/0x480
[ 227.708461][ T5443] ? gfs2_recover_set+0x240/0x240
[ 227.713483][ T5443] ? snprintf+0xd7/0x120
[ 227.717764][ T5443] ? __free_pages+0x95/0x1a0
[ 227.722473][ T5443] ? vscnprintf+0x80/0x80
[ 227.726813][ T5443] gfs2_fill_super+0x128d/0x1f50
[ 227.731923][ T5443] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.736972][ T5443] ? preempt_count_add+0x8d/0x190
[ 227.742006][ T5443] ? sb_set_blocksize+0xa5/0xe0
[ 227.747074][ T5443] get_tree_bdev+0x3f1/0x610
[ 227.751713][ T5443] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.756775][ T5443] gfs2_get_tree+0x4d/0x1e0
[ 227.761288][ T5443] vfs_get_tree+0x88/0x270
[ 227.765744][ T5443] do_new_mount+0x24a/0xa40
[ 227.770277][ T5443] __se_sys_mount+0x2d6/0x3c0
[ 227.774965][ T5443] ? __x64_sys_mount+0xc0/0xc0
[ 227.779741][ T5443] ? lockdep_hardirqs_on+0x94/0x140
[ 227.784966][ T5443] ? __x64_sys_mount+0x1c/0xc0
[ 227.789828][ T5443] do_syscall_64+0x4c/0xa0
[ 227.794252][ T5443] ? clear_bhb_loop+0x30/0x80
[ 227.799039][ T5443] ? clear_bhb_loop+0x30/0x80
[ 227.803817][ T5443] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.810168][ T5443] RIP: 0033:0x7fc8cefd138a
[ 227.815006][ T5443] 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
[ 227.834809][ T5443] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.843223][ T5443] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 227.851297][ T5443] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 227.859270][ T5443] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 227.867322][ T5443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.875365][ T5443] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.883340][ T5443]
[ 227.892947][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.906964][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.237719][ T5445] loop1: detected capacity change from 0 to 32768
[ 228.319754][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.327576][ T5445] CPU: 1 PID: 5445 Comm: syz.1.179 Not tainted syzkaller #0
[ 228.334965][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 228.345034][ T5445] Call Trace:
[ 228.348423][ T5445]
[ 228.351377][ T5445] dump_stack_lvl+0x168/0x230
[ 228.356088][ T5445] ? show_regs_print_info+0x20/0x20
[ 228.361319][ T5445] ? load_image+0x3b0/0x3b0
[ 228.365938][ T5445] sysfs_create_dir_ns+0x252/0x280
[ 228.371211][ T5445] ? __lock_acquire+0x7c60/0x7c60
[ 228.376251][ T5445] ? sysfs_warn_dup+0xa0/0xa0
[ 228.380951][ T5445] ? do_raw_spin_unlock+0x11d/0x230
[ 228.386231][ T5445] kobject_add_internal+0x662/0xd00
[ 228.391437][ T5445] kobject_init_and_add+0x122/0x190
[ 228.396648][ T5445] ? lockdep_softirqs_off+0x420/0x420
[ 228.402036][ T5445] ? kobject_add+0x210/0x210
[ 228.406665][ T5445] ? __init_swait_queue_head+0xa5/0x150
[ 228.412380][ T5445] gfs2_sys_fs_add+0x234/0x480
[ 228.417160][ T5445] ? gfs2_recover_set+0x240/0x240
[ 228.422187][ T5445] ? snprintf+0xd7/0x120
[ 228.426420][ T5445] ? __free_pages+0x95/0x1a0
[ 228.430994][ T5445] ? vscnprintf+0x80/0x80
[ 228.435410][ T5445] gfs2_fill_super+0x128d/0x1f50
[ 228.440376][ T5445] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.445418][ T5445] ? preempt_count_add+0x8d/0x190
[ 228.450595][ T5445] ? sb_set_blocksize+0xa5/0xe0
[ 228.455625][ T5445] get_tree_bdev+0x3f1/0x610
[ 228.460302][ T5445] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.465318][ T5445] gfs2_get_tree+0x4d/0x1e0
[ 228.469815][ T5445] vfs_get_tree+0x88/0x270
[ 228.474236][ T5445] do_new_mount+0x24a/0xa40
[ 228.478873][ T5445] __se_sys_mount+0x2d6/0x3c0
[ 228.483560][ T5445] ? __x64_sys_mount+0xc0/0xc0
[ 228.488448][ T5445] ? lockdep_hardirqs_on+0x94/0x140
[ 228.493684][ T5445] ? __x64_sys_mount+0x1c/0xc0
[ 228.498507][ T5445] do_syscall_64+0x4c/0xa0
[ 228.503270][ T5445] ? clear_bhb_loop+0x30/0x80
[ 228.507953][ T5445] ? clear_bhb_loop+0x30/0x80
[ 228.512625][ T5445] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.518607][ T5445] RIP: 0033:0x7fc8cefd138a
[ 228.523111][ T5445] 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
[ 228.543006][ T5445] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.551526][ T5445] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 228.559496][ T5445] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 228.568117][ T5445] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 228.576109][ T5445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.584182][ T5445] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.592163][ T5445]
[ 228.596673][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.609945][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.949160][ T5447] loop1: detected capacity change from 0 to 32768
[ 229.009330][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.016749][ T5447] CPU: 1 PID: 5447 Comm: syz.1.180 Not tainted syzkaller #0
[ 229.024064][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 229.034149][ T5447] Call Trace:
[ 229.037441][ T5447]
[ 229.040392][ T5447] dump_stack_lvl+0x168/0x230
[ 229.045101][ T5447] ? show_regs_print_info+0x20/0x20
[ 229.050413][ T5447] ? load_image+0x3b0/0x3b0
[ 229.055030][ T5447] sysfs_create_dir_ns+0x252/0x280
[ 229.060444][ T5447] ? __lock_acquire+0x7c60/0x7c60
[ 229.065581][ T5447] ? sysfs_warn_dup+0xa0/0xa0
[ 229.070284][ T5447] ? do_raw_spin_unlock+0x11d/0x230
[ 229.075516][ T5447] kobject_add_internal+0x662/0xd00
[ 229.080835][ T5447] kobject_init_and_add+0x122/0x190
[ 229.086064][ T5447] ? lockdep_softirqs_off+0x420/0x420
[ 229.091447][ T5447] ? kobject_add+0x210/0x210
[ 229.096323][ T5447] ? __init_swait_queue_head+0xa5/0x150
[ 229.101971][ T5447] gfs2_sys_fs_add+0x234/0x480
[ 229.106773][ T5447] ? gfs2_recover_set+0x240/0x240
[ 229.111814][ T5447] ? snprintf+0xd7/0x120
[ 229.116149][ T5447] ? __free_pages+0x95/0x1a0
[ 229.120759][ T5447] ? vscnprintf+0x80/0x80
[ 229.125105][ T5447] gfs2_fill_super+0x128d/0x1f50
[ 229.130061][ T5447] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.135127][ T5447] ? preempt_count_add+0x8d/0x190
[ 229.140191][ T5447] ? sb_set_blocksize+0xa5/0xe0
[ 229.145283][ T5447] get_tree_bdev+0x3f1/0x610
[ 229.149884][ T5447] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.154908][ T5447] gfs2_get_tree+0x4d/0x1e0
[ 229.159405][ T5447] vfs_get_tree+0x88/0x270
[ 229.163951][ T5447] do_new_mount+0x24a/0xa40
[ 229.168478][ T5447] __se_sys_mount+0x2d6/0x3c0
[ 229.173177][ T5447] ? __x64_sys_mount+0xc0/0xc0
[ 229.177938][ T5447] ? lockdep_hardirqs_on+0x94/0x140
[ 229.183213][ T5447] ? __x64_sys_mount+0x1c/0xc0
[ 229.187965][ T5447] do_syscall_64+0x4c/0xa0
[ 229.192365][ T5447] ? clear_bhb_loop+0x30/0x80
[ 229.197295][ T5447] ? clear_bhb_loop+0x30/0x80
[ 229.202002][ T5447] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.207907][ T5447] RIP: 0033:0x7fc8cefd138a
[ 229.212329][ T5447] 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
[ 229.231954][ T5447] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.240367][ T5447] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 229.248339][ T5447] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 229.256302][ T5447] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 229.264271][ T5447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.272234][ T5447] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.280308][ T5447]
[ 229.284514][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.297727][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.613638][ T5449] loop1: detected capacity change from 0 to 32768
[ 229.661005][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.668645][ T5449] CPU: 1 PID: 5449 Comm: syz.1.181 Not tainted syzkaller #0
[ 229.675941][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 229.686007][ T5449] Call Trace:
[ 229.689295][ T5449]
[ 229.692233][ T5449] dump_stack_lvl+0x168/0x230
[ 229.696943][ T5449] ? show_regs_print_info+0x20/0x20
[ 229.702145][ T5449] ? load_image+0x3b0/0x3b0
[ 229.706943][ T5449] sysfs_create_dir_ns+0x252/0x280
[ 229.712154][ T5449] ? __lock_acquire+0x7c60/0x7c60
[ 229.717201][ T5449] ? sysfs_warn_dup+0xa0/0xa0
[ 229.722088][ T5449] ? do_raw_spin_unlock+0x11d/0x230
[ 229.727291][ T5449] kobject_add_internal+0x662/0xd00
[ 229.732505][ T5449] kobject_init_and_add+0x122/0x190
[ 229.737716][ T5449] ? lockdep_softirqs_off+0x420/0x420
[ 229.743190][ T5449] ? kobject_add+0x210/0x210
[ 229.747799][ T5449] ? __init_swait_queue_head+0xa5/0x150
[ 229.753332][ T5449] gfs2_sys_fs_add+0x234/0x480
[ 229.758080][ T5449] ? gfs2_recover_set+0x240/0x240
[ 229.763126][ T5449] ? snprintf+0xd7/0x120
[ 229.767463][ T5449] ? __free_pages+0x95/0x1a0
[ 229.772056][ T5449] ? vscnprintf+0x80/0x80
[ 229.776589][ T5449] gfs2_fill_super+0x128d/0x1f50
[ 229.781727][ T5449] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.786796][ T5449] ? preempt_count_add+0x8d/0x190
[ 229.791832][ T5449] ? sb_set_blocksize+0xa5/0xe0
[ 229.796684][ T5449] get_tree_bdev+0x3f1/0x610
[ 229.801346][ T5449] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.806442][ T5449] gfs2_get_tree+0x4d/0x1e0
[ 229.810958][ T5449] vfs_get_tree+0x88/0x270
[ 229.815356][ T5449] do_new_mount+0x24a/0xa40
[ 229.819936][ T5449] __se_sys_mount+0x2d6/0x3c0
[ 229.824605][ T5449] ? __x64_sys_mount+0xc0/0xc0
[ 229.829374][ T5449] ? lockdep_hardirqs_on+0x94/0x140
[ 229.834646][ T5449] ? __x64_sys_mount+0x1c/0xc0
[ 229.839589][ T5449] do_syscall_64+0x4c/0xa0
[ 229.843991][ T5449] ? clear_bhb_loop+0x30/0x80
[ 229.848744][ T5449] ? clear_bhb_loop+0x30/0x80
[ 229.853416][ T5449] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.859303][ T5449] RIP: 0033:0x7fc8cefd138a
[ 229.863746][ T5449] 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
[ 229.883489][ T5449] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.891896][ T5449] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 229.899871][ T5449] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 229.908280][ T5449] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 229.916253][ T5449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.924317][ T5449] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.932473][ T5449]
[ 229.937217][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.950709][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.298479][ T5451] loop1: detected capacity change from 0 to 32768
[ 230.357420][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.365692][ T5451] CPU: 1 PID: 5451 Comm: syz.1.182 Not tainted syzkaller #0
[ 230.373094][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 230.383165][ T5451] Call Trace:
[ 230.386447][ T5451]
[ 230.389378][ T5451] dump_stack_lvl+0x168/0x230
[ 230.394124][ T5451] ? show_regs_print_info+0x20/0x20
[ 230.399336][ T5451] ? load_image+0x3b0/0x3b0
[ 230.403972][ T5451] sysfs_create_dir_ns+0x252/0x280
[ 230.409098][ T5451] ? __lock_acquire+0x7c60/0x7c60
[ 230.414160][ T5451] ? sysfs_warn_dup+0xa0/0xa0
[ 230.418936][ T5451] ? do_raw_spin_unlock+0x11d/0x230
[ 230.424261][ T5451] kobject_add_internal+0x662/0xd00
[ 230.429765][ T5451] kobject_init_and_add+0x122/0x190
[ 230.434976][ T5451] ? lockdep_softirqs_off+0x420/0x420
[ 230.440346][ T5451] ? kobject_add+0x210/0x210
[ 230.445037][ T5451] ? __init_swait_queue_head+0xa5/0x150
[ 230.450565][ T5451] gfs2_sys_fs_add+0x234/0x480
[ 230.455497][ T5451] ? gfs2_recover_set+0x240/0x240
[ 230.460632][ T5451] ? snprintf+0xd7/0x120
[ 230.464929][ T5451] ? __free_pages+0x95/0x1a0
[ 230.469543][ T5451] ? vscnprintf+0x80/0x80
[ 230.473950][ T5451] gfs2_fill_super+0x128d/0x1f50
[ 230.478950][ T5451] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.483983][ T5451] ? preempt_count_add+0x8d/0x190
[ 230.489053][ T5451] ? sb_set_blocksize+0xa5/0xe0
[ 230.493989][ T5451] get_tree_bdev+0x3f1/0x610
[ 230.498625][ T5451] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.503745][ T5451] gfs2_get_tree+0x4d/0x1e0
[ 230.508239][ T5451] vfs_get_tree+0x88/0x270
[ 230.512735][ T5451] do_new_mount+0x24a/0xa40
[ 230.517350][ T5451] __se_sys_mount+0x2d6/0x3c0
[ 230.522035][ T5451] ? __x64_sys_mount+0xc0/0xc0
[ 230.526792][ T5451] ? lockdep_hardirqs_on+0x94/0x140
[ 230.531971][ T5451] ? __x64_sys_mount+0x1c/0xc0
[ 230.536722][ T5451] do_syscall_64+0x4c/0xa0
[ 230.541161][ T5451] ? clear_bhb_loop+0x30/0x80
[ 230.545940][ T5451] ? clear_bhb_loop+0x30/0x80
[ 230.550623][ T5451] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.556671][ T5451] RIP: 0033:0x7fc8cefd138a
[ 230.561156][ T5451] 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
[ 230.581191][ T5451] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.589848][ T5451] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 230.597913][ T5451] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 230.605924][ T5451] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 230.613886][ T5451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.621914][ T5451] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.630066][ T5451]
[ 230.634717][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.648121][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.981191][ T5453] loop1: detected capacity change from 0 to 32768
[ 231.026357][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.034976][ T5453] CPU: 1 PID: 5453 Comm: syz.1.183 Not tainted syzkaller #0
[ 231.042289][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 231.052447][ T5453] Call Trace:
[ 231.055748][ T5453]
[ 231.058686][ T5453] dump_stack_lvl+0x168/0x230
[ 231.063380][ T5453] ? show_regs_print_info+0x20/0x20
[ 231.068607][ T5453] ? load_image+0x3b0/0x3b0
[ 231.073139][ T5453] sysfs_create_dir_ns+0x252/0x280
[ 231.078282][ T5453] ? __lock_acquire+0x7c60/0x7c60
[ 231.083689][ T5453] ? sysfs_warn_dup+0xa0/0xa0
[ 231.088574][ T5453] ? do_raw_spin_unlock+0x11d/0x230
[ 231.093912][ T5453] kobject_add_internal+0x662/0xd00
[ 231.099449][ T5453] kobject_init_and_add+0x122/0x190
[ 231.104692][ T5453] ? lockdep_softirqs_off+0x420/0x420
[ 231.110272][ T5453] ? kobject_add+0x210/0x210
[ 231.114887][ T5453] ? __init_swait_queue_head+0xa5/0x150
[ 231.120440][ T5453] gfs2_sys_fs_add+0x234/0x480
[ 231.125233][ T5453] ? gfs2_recover_set+0x240/0x240
[ 231.130250][ T5453] ? snprintf+0xd7/0x120
[ 231.134489][ T5453] ? __free_pages+0x95/0x1a0
[ 231.139073][ T5453] ? vscnprintf+0x80/0x80
[ 231.143420][ T5453] gfs2_fill_super+0x128d/0x1f50
[ 231.148368][ T5453] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.153469][ T5453] ? preempt_count_add+0x8d/0x190
[ 231.158506][ T5453] ? sb_set_blocksize+0xa5/0xe0
[ 231.163351][ T5453] get_tree_bdev+0x3f1/0x610
[ 231.167922][ T5453] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.172937][ T5453] gfs2_get_tree+0x4d/0x1e0
[ 231.177452][ T5453] vfs_get_tree+0x88/0x270
[ 231.182025][ T5453] do_new_mount+0x24a/0xa40
[ 231.186538][ T5453] __se_sys_mount+0x2d6/0x3c0
[ 231.191256][ T5453] ? __x64_sys_mount+0xc0/0xc0
[ 231.196033][ T5453] ? lockdep_hardirqs_on+0x94/0x140
[ 231.201252][ T5453] ? __x64_sys_mount+0x1c/0xc0
[ 231.206021][ T5453] do_syscall_64+0x4c/0xa0
[ 231.210444][ T5453] ? clear_bhb_loop+0x30/0x80
[ 231.215126][ T5453] ? clear_bhb_loop+0x30/0x80
[ 231.219898][ T5453] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.225788][ T5453] RIP: 0033:0x7fc8cefd138a
[ 231.230193][ T5453] 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
[ 231.249875][ T5453] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.258284][ T5453] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 231.266246][ T5453] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 231.274210][ T5453] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 231.282179][ T5453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.290150][ T5453] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.298229][ T5453]
[ 231.302655][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.315872][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.622927][ T5455] loop1: detected capacity change from 0 to 32768
[ 231.681044][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.688677][ T5455] CPU: 1 PID: 5455 Comm: syz.1.184 Not tainted syzkaller #0
[ 231.695990][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 231.706342][ T5455] Call Trace:
[ 231.709643][ T5455]
[ 231.712585][ T5455] dump_stack_lvl+0x168/0x230
[ 231.717283][ T5455] ? show_regs_print_info+0x20/0x20
[ 231.722505][ T5455] ? load_image+0x3b0/0x3b0
[ 231.727041][ T5455] sysfs_create_dir_ns+0x252/0x280
[ 231.732175][ T5455] ? __lock_acquire+0x7c60/0x7c60
[ 231.737216][ T5455] ? sysfs_warn_dup+0xa0/0xa0
[ 231.741921][ T5455] ? do_raw_spin_unlock+0x11d/0x230
[ 231.747138][ T5455] kobject_add_internal+0x662/0xd00
[ 231.752560][ T5455] kobject_init_and_add+0x122/0x190
[ 231.757815][ T5455] ? lockdep_softirqs_off+0x420/0x420
[ 231.763295][ T5455] ? kobject_add+0x210/0x210
[ 231.767959][ T5455] ? __init_swait_queue_head+0xa5/0x150
[ 231.773591][ T5455] gfs2_sys_fs_add+0x234/0x480
[ 231.778344][ T5455] ? gfs2_recover_set+0x240/0x240
[ 231.783456][ T5455] ? snprintf+0xd7/0x120
[ 231.787849][ T5455] ? __free_pages+0x95/0x1a0
[ 231.792518][ T5455] ? vscnprintf+0x80/0x80
[ 231.796953][ T5455] gfs2_fill_super+0x128d/0x1f50
[ 231.801913][ T5455] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.806954][ T5455] ? preempt_count_add+0x8d/0x190
[ 231.811970][ T5455] ? sb_set_blocksize+0xa5/0xe0
[ 231.816831][ T5455] get_tree_bdev+0x3f1/0x610
[ 231.821411][ T5455] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.826434][ T5455] gfs2_get_tree+0x4d/0x1e0
[ 231.830941][ T5455] vfs_get_tree+0x88/0x270
[ 231.835342][ T5455] do_new_mount+0x24a/0xa40
[ 231.839828][ T5455] __se_sys_mount+0x2d6/0x3c0
[ 231.844481][ T5455] ? __x64_sys_mount+0xc0/0xc0
[ 231.849229][ T5455] ? lockdep_hardirqs_on+0x94/0x140
[ 231.854415][ T5455] ? __x64_sys_mount+0x1c/0xc0
[ 231.859188][ T5455] do_syscall_64+0x4c/0xa0
[ 231.863804][ T5455] ? clear_bhb_loop+0x30/0x80
[ 231.868495][ T5455] ? clear_bhb_loop+0x30/0x80
[ 231.873189][ T5455] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.879100][ T5455] RIP: 0033:0x7fc8cefd138a
[ 231.883506][ T5455] 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
[ 231.903129][ T5455] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.911649][ T5455] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 231.919612][ T5455] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 231.927668][ T5455] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 231.935636][ T5455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.943683][ T5455] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.951665][ T5455]
[ 231.956150][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.969363][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.301727][ T5457] loop1: detected capacity change from 0 to 32768
[ 232.367196][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.374719][ T5457] CPU: 0 PID: 5457 Comm: syz.1.185 Not tainted syzkaller #0
[ 232.382116][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 232.392185][ T5457] Call Trace:
[ 232.395477][ T5457]
[ 232.398505][ T5457] dump_stack_lvl+0x168/0x230
[ 232.403302][ T5457] ? show_regs_print_info+0x20/0x20
[ 232.408520][ T5457] ? load_image+0x3b0/0x3b0
[ 232.413052][ T5457] sysfs_create_dir_ns+0x252/0x280
[ 232.418190][ T5457] ? __lock_acquire+0x7c60/0x7c60
[ 232.423234][ T5457] ? sysfs_warn_dup+0xa0/0xa0
[ 232.427921][ T5457] ? do_raw_spin_unlock+0x11d/0x230
[ 232.433132][ T5457] kobject_add_internal+0x662/0xd00
[ 232.438351][ T5457] kobject_init_and_add+0x122/0x190
[ 232.443659][ T5457] ? lockdep_softirqs_off+0x420/0x420
[ 232.449052][ T5457] ? kobject_add+0x210/0x210
[ 232.453663][ T5457] ? __init_swait_queue_head+0xa5/0x150
[ 232.459223][ T5457] gfs2_sys_fs_add+0x234/0x480
[ 232.464095][ T5457] ? gfs2_recover_set+0x240/0x240
[ 232.469111][ T5457] ? snprintf+0xd7/0x120
[ 232.473358][ T5457] ? __free_pages+0x95/0x1a0
[ 232.477951][ T5457] ? vscnprintf+0x80/0x80
[ 232.482316][ T5457] gfs2_fill_super+0x128d/0x1f50
[ 232.487250][ T5457] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.492267][ T5457] ? preempt_count_add+0x8d/0x190
[ 232.497295][ T5457] ? sb_set_blocksize+0xa5/0xe0
[ 232.502161][ T5457] get_tree_bdev+0x3f1/0x610
[ 232.506776][ T5457] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.511803][ T5457] gfs2_get_tree+0x4d/0x1e0
[ 232.516556][ T5457] vfs_get_tree+0x88/0x270
[ 232.520958][ T5457] do_new_mount+0x24a/0xa40
[ 232.525448][ T5457] __se_sys_mount+0x2d6/0x3c0
[ 232.530192][ T5457] ? __x64_sys_mount+0xc0/0xc0
[ 232.535121][ T5457] ? lockdep_hardirqs_on+0x94/0x140
[ 232.540299][ T5457] ? __x64_sys_mount+0x1c/0xc0
[ 232.545065][ T5457] do_syscall_64+0x4c/0xa0
[ 232.549568][ T5457] ? clear_bhb_loop+0x30/0x80
[ 232.554233][ T5457] ? clear_bhb_loop+0x30/0x80
[ 232.558902][ T5457] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.564883][ T5457] RIP: 0033:0x7fc8cefd138a
[ 232.569300][ T5457] 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
[ 232.588981][ T5457] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.597469][ T5457] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 232.605455][ T5457] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 232.613420][ T5457] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 232.621407][ T5457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.629361][ T5457] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.637416][ T5457]
[ 232.641590][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.654851][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 08:03:29 executed programs: 171
[ 232.952600][ T5459] loop1: detected capacity change from 0 to 32768
[ 233.007322][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.014748][ T5459] CPU: 1 PID: 5459 Comm: syz.1.186 Not tainted syzkaller #0
[ 233.022042][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 233.032108][ T5459] Call Trace:
[ 233.035394][ T5459]
[ 233.038325][ T5459] dump_stack_lvl+0x168/0x230
[ 233.043016][ T5459] ? show_regs_print_info+0x20/0x20
[ 233.048219][ T5459] ? load_image+0x3b0/0x3b0
[ 233.052744][ T5459] sysfs_create_dir_ns+0x252/0x280
[ 233.057867][ T5459] ? __lock_acquire+0x7c60/0x7c60
[ 233.062995][ T5459] ? sysfs_warn_dup+0xa0/0xa0
[ 233.067706][ T5459] ? do_raw_spin_unlock+0x11d/0x230
[ 233.072915][ T5459] kobject_add_internal+0x662/0xd00
[ 233.078119][ T5459] kobject_init_and_add+0x122/0x190
[ 233.083313][ T5459] ? lockdep_softirqs_off+0x420/0x420
[ 233.088677][ T5459] ? kobject_add+0x210/0x210
[ 233.093265][ T5459] ? __init_swait_queue_head+0xa5/0x150
[ 233.098821][ T5459] gfs2_sys_fs_add+0x234/0x480
[ 233.103745][ T5459] ? gfs2_recover_set+0x240/0x240
[ 233.108894][ T5459] ? snprintf+0xd7/0x120
[ 233.113149][ T5459] ? __free_pages+0x95/0x1a0
[ 233.117740][ T5459] ? vscnprintf+0x80/0x80
[ 233.122085][ T5459] gfs2_fill_super+0x128d/0x1f50
[ 233.127034][ T5459] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.132047][ T5459] ? preempt_count_add+0x8d/0x190
[ 233.137063][ T5459] ? sb_set_blocksize+0xa5/0xe0
[ 233.141913][ T5459] get_tree_bdev+0x3f1/0x610
[ 233.146482][ T5459] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.151490][ T5459] gfs2_get_tree+0x4d/0x1e0
[ 233.155977][ T5459] vfs_get_tree+0x88/0x270
[ 233.160374][ T5459] do_new_mount+0x24a/0xa40
[ 233.164861][ T5459] __se_sys_mount+0x2d6/0x3c0
[ 233.169608][ T5459] ? __x64_sys_mount+0xc0/0xc0
[ 233.174355][ T5459] ? lockdep_hardirqs_on+0x94/0x140
[ 233.179528][ T5459] ? __x64_sys_mount+0x1c/0xc0
[ 233.184282][ T5459] do_syscall_64+0x4c/0xa0
[ 233.188743][ T5459] ? clear_bhb_loop+0x30/0x80
[ 233.193396][ T5459] ? clear_bhb_loop+0x30/0x80
[ 233.198053][ T5459] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.203926][ T5459] RIP: 0033:0x7fc8cefd138a
[ 233.208346][ T5459] 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
[ 233.228026][ T5459] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.236542][ T5459] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 233.244521][ T5459] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 233.252491][ T5459] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 233.260456][ T5459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.268413][ T5459] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.276381][ T5459]
[ 233.281367][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.294722][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.612562][ T5461] loop1: detected capacity change from 0 to 32768
[ 233.677385][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.684884][ T5461] CPU: 1 PID: 5461 Comm: syz.1.187 Not tainted syzkaller #0
[ 233.692280][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 233.702353][ T5461] Call Trace:
[ 233.705646][ T5461]
[ 233.708581][ T5461] dump_stack_lvl+0x168/0x230
[ 233.713370][ T5461] ? show_regs_print_info+0x20/0x20
[ 233.718595][ T5461] ? load_image+0x3b0/0x3b0
[ 233.723127][ T5461] sysfs_create_dir_ns+0x252/0x280
[ 233.728361][ T5461] ? __lock_acquire+0x7c60/0x7c60
[ 233.733416][ T5461] ? sysfs_warn_dup+0xa0/0xa0
[ 233.738118][ T5461] ? do_raw_spin_unlock+0x11d/0x230
[ 233.743331][ T5461] kobject_add_internal+0x662/0xd00
[ 233.748555][ T5461] kobject_init_and_add+0x122/0x190
[ 233.753767][ T5461] ? lockdep_softirqs_off+0x420/0x420
[ 233.759154][ T5461] ? kobject_add+0x210/0x210
[ 233.763910][ T5461] ? __init_swait_queue_head+0xa5/0x150
[ 233.769462][ T5461] gfs2_sys_fs_add+0x234/0x480
[ 233.774225][ T5461] ? gfs2_recover_set+0x240/0x240
[ 233.779356][ T5461] ? snprintf+0xd7/0x120
[ 233.783675][ T5461] ? __free_pages+0x95/0x1a0
[ 233.788261][ T5461] ? vscnprintf+0x80/0x80
[ 233.792606][ T5461] gfs2_fill_super+0x128d/0x1f50
[ 233.797624][ T5461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.802819][ T5461] ? preempt_count_add+0x8d/0x190
[ 233.807858][ T5461] ? sb_set_blocksize+0xa5/0xe0
[ 233.812731][ T5461] get_tree_bdev+0x3f1/0x610
[ 233.817339][ T5461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.822364][ T5461] gfs2_get_tree+0x4d/0x1e0
[ 233.826897][ T5461] vfs_get_tree+0x88/0x270
[ 233.831324][ T5461] do_new_mount+0x24a/0xa40
[ 233.835854][ T5461] __se_sys_mount+0x2d6/0x3c0
[ 233.840666][ T5461] ? __x64_sys_mount+0xc0/0xc0
[ 233.845470][ T5461] ? lockdep_hardirqs_on+0x94/0x140
[ 233.850748][ T5461] ? __x64_sys_mount+0x1c/0xc0
[ 233.855519][ T5461] do_syscall_64+0x4c/0xa0
[ 233.859933][ T5461] ? clear_bhb_loop+0x30/0x80
[ 233.864595][ T5461] ? clear_bhb_loop+0x30/0x80
[ 233.869259][ T5461] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.875148][ T5461] RIP: 0033:0x7fc8cefd138a
[ 233.879547][ T5461] 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
[ 233.899319][ T5461] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.907988][ T5461] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 233.915982][ T5461] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 233.923941][ T5461] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 233.931899][ T5461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.939861][ T5461] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.947838][ T5461]
[ 233.952355][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.965640][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.290076][ T5463] loop1: detected capacity change from 0 to 32768
[ 234.347462][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.355071][ T5463] CPU: 0 PID: 5463 Comm: syz.1.188 Not tainted syzkaller #0
[ 234.362683][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 234.373018][ T5463] Call Trace:
[ 234.376310][ T5463]
[ 234.379252][ T5463] dump_stack_lvl+0x168/0x230
[ 234.383950][ T5463] ? show_regs_print_info+0x20/0x20
[ 234.389171][ T5463] ? load_image+0x3b0/0x3b0
[ 234.393700][ T5463] sysfs_create_dir_ns+0x252/0x280
[ 234.398836][ T5463] ? __lock_acquire+0x7c60/0x7c60
[ 234.403891][ T5463] ? sysfs_warn_dup+0xa0/0xa0
[ 234.408729][ T5463] ? do_raw_spin_unlock+0x11d/0x230
[ 234.414037][ T5463] kobject_add_internal+0x662/0xd00
[ 234.419348][ T5463] kobject_init_and_add+0x122/0x190
[ 234.424696][ T5463] ? lockdep_softirqs_off+0x420/0x420
[ 234.430080][ T5463] ? kobject_add+0x210/0x210
[ 234.434785][ T5463] ? __init_swait_queue_head+0xa5/0x150
[ 234.440379][ T5463] gfs2_sys_fs_add+0x234/0x480
[ 234.445148][ T5463] ? gfs2_recover_set+0x240/0x240
[ 234.450160][ T5463] ? snprintf+0xd7/0x120
[ 234.454394][ T5463] ? __free_pages+0x95/0x1a0
[ 234.459138][ T5463] ? vscnprintf+0x80/0x80
[ 234.463484][ T5463] gfs2_fill_super+0x128d/0x1f50
[ 234.468503][ T5463] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.473550][ T5463] ? preempt_count_add+0x8d/0x190
[ 234.478692][ T5463] ? sb_set_blocksize+0xa5/0xe0
[ 234.483589][ T5463] get_tree_bdev+0x3f1/0x610
[ 234.488174][ T5463] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.493205][ T5463] gfs2_get_tree+0x4d/0x1e0
[ 234.497705][ T5463] vfs_get_tree+0x88/0x270
[ 234.502706][ T5463] do_new_mount+0x24a/0xa40
[ 234.507244][ T5463] __se_sys_mount+0x2d6/0x3c0
[ 234.512138][ T5463] ? __x64_sys_mount+0xc0/0xc0
[ 234.516910][ T5463] ? lockdep_hardirqs_on+0x94/0x140
[ 234.522137][ T5463] ? __x64_sys_mount+0x1c/0xc0
[ 234.526895][ T5463] do_syscall_64+0x4c/0xa0
[ 234.531496][ T5463] ? clear_bhb_loop+0x30/0x80
[ 234.536175][ T5463] ? clear_bhb_loop+0x30/0x80
[ 234.540856][ T5463] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.546844][ T5463] RIP: 0033:0x7fc8cefd138a
[ 234.551251][ T5463] 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
[ 234.570984][ T5463] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.579395][ T5463] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 234.587359][ T5463] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 234.595348][ T5463] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 234.603340][ T5463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.611331][ T5463] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.619318][ T5463]
[ 234.624369][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.637925][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.944253][ T5465] loop1: detected capacity change from 0 to 32768
[ 234.997347][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.004925][ T5465] CPU: 1 PID: 5465 Comm: syz.1.189 Not tainted syzkaller #0
[ 235.012237][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 235.022309][ T5465] Call Trace:
[ 235.025595][ T5465]
[ 235.028528][ T5465] dump_stack_lvl+0x168/0x230
[ 235.033341][ T5465] ? show_regs_print_info+0x20/0x20
[ 235.038649][ T5465] ? load_image+0x3b0/0x3b0
[ 235.043177][ T5465] sysfs_create_dir_ns+0x252/0x280
[ 235.048483][ T5465] ? __lock_acquire+0x7c60/0x7c60
[ 235.053607][ T5465] ? sysfs_warn_dup+0xa0/0xa0
[ 235.058404][ T5465] ? do_raw_spin_unlock+0x11d/0x230
[ 235.063627][ T5465] kobject_add_internal+0x662/0xd00
[ 235.068843][ T5465] kobject_init_and_add+0x122/0x190
[ 235.074154][ T5465] ? lockdep_softirqs_off+0x420/0x420
[ 235.079612][ T5465] ? kobject_add+0x210/0x210
[ 235.084196][ T5465] ? __init_swait_queue_head+0xa5/0x150
[ 235.089729][ T5465] gfs2_sys_fs_add+0x234/0x480
[ 235.094494][ T5465] ? gfs2_recover_set+0x240/0x240
[ 235.099508][ T5465] ? snprintf+0xd7/0x120
[ 235.103827][ T5465] ? __free_pages+0x95/0x1a0
[ 235.108640][ T5465] ? vscnprintf+0x80/0x80
[ 235.113063][ T5465] gfs2_fill_super+0x128d/0x1f50
[ 235.118021][ T5465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.123208][ T5465] ? preempt_count_add+0x8d/0x190
[ 235.128218][ T5465] ? sb_set_blocksize+0xa5/0xe0
[ 235.133137][ T5465] get_tree_bdev+0x3f1/0x610
[ 235.137709][ T5465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.142717][ T5465] gfs2_get_tree+0x4d/0x1e0
[ 235.147291][ T5465] vfs_get_tree+0x88/0x270
[ 235.151773][ T5465] do_new_mount+0x24a/0xa40
[ 235.156255][ T5465] __se_sys_mount+0x2d6/0x3c0
[ 235.160923][ T5465] ? __x64_sys_mount+0xc0/0xc0
[ 235.165674][ T5465] ? lockdep_hardirqs_on+0x94/0x140
[ 235.170851][ T5465] ? __x64_sys_mount+0x1c/0xc0
[ 235.175629][ T5465] do_syscall_64+0x4c/0xa0
[ 235.180040][ T5465] ? clear_bhb_loop+0x30/0x80
[ 235.184749][ T5465] ? clear_bhb_loop+0x30/0x80
[ 235.189409][ T5465] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.195302][ T5465] RIP: 0033:0x7fc8cefd138a
[ 235.199800][ T5465] 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
[ 235.219401][ T5465] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.227911][ T5465] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 235.235887][ T5465] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 235.243859][ T5465] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 235.251918][ T5465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.260057][ T5465] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.268296][ T5465]
[ 235.275047][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.288356][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.611421][ T5467] loop1: detected capacity change from 0 to 32768
[ 235.669294][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.676904][ T5467] CPU: 1 PID: 5467 Comm: syz.1.190 Not tainted syzkaller #0
[ 235.684235][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 235.694308][ T5467] Call Trace:
[ 235.697663][ T5467]
[ 235.700592][ T5467] dump_stack_lvl+0x168/0x230
[ 235.705285][ T5467] ? show_regs_print_info+0x20/0x20
[ 235.710505][ T5467] ? load_image+0x3b0/0x3b0
[ 235.715050][ T5467] sysfs_create_dir_ns+0x252/0x280
[ 235.720184][ T5467] ? __lock_acquire+0x7c60/0x7c60
[ 235.725227][ T5467] ? sysfs_warn_dup+0xa0/0xa0
[ 235.729937][ T5467] ? do_raw_spin_unlock+0x11d/0x230
[ 235.735254][ T5467] kobject_add_internal+0x662/0xd00
[ 235.740917][ T5467] kobject_init_and_add+0x122/0x190
[ 235.746137][ T5467] ? lockdep_softirqs_off+0x420/0x420
[ 235.751608][ T5467] ? kobject_add+0x210/0x210
[ 235.756274][ T5467] ? __init_swait_queue_head+0xa5/0x150
[ 235.761810][ T5467] gfs2_sys_fs_add+0x234/0x480
[ 235.766568][ T5467] ? gfs2_recover_set+0x240/0x240
[ 235.771759][ T5467] ? snprintf+0xd7/0x120
[ 235.775982][ T5467] ? __free_pages+0x95/0x1a0
[ 235.780684][ T5467] ? vscnprintf+0x80/0x80
[ 235.785030][ T5467] gfs2_fill_super+0x128d/0x1f50
[ 235.790084][ T5467] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.795146][ T5467] ? preempt_count_add+0x8d/0x190
[ 235.800465][ T5467] ? sb_set_blocksize+0xa5/0xe0
[ 235.805338][ T5467] get_tree_bdev+0x3f1/0x610
[ 235.809949][ T5467] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.815151][ T5467] gfs2_get_tree+0x4d/0x1e0
[ 235.819684][ T5467] vfs_get_tree+0x88/0x270
[ 235.824117][ T5467] do_new_mount+0x24a/0xa40
[ 235.828645][ T5467] __se_sys_mount+0x2d6/0x3c0
[ 235.833703][ T5467] ? __x64_sys_mount+0xc0/0xc0
[ 235.838479][ T5467] ? lockdep_hardirqs_on+0x94/0x140
[ 235.843702][ T5467] ? __x64_sys_mount+0x1c/0xc0
[ 235.848521][ T5467] do_syscall_64+0x4c/0xa0
[ 235.852947][ T5467] ? clear_bhb_loop+0x30/0x80
[ 235.857673][ T5467] ? clear_bhb_loop+0x30/0x80
[ 235.862488][ T5467] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.868547][ T5467] RIP: 0033:0x7fc8cefd138a
[ 235.873105][ T5467] 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
[ 235.893030][ T5467] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.901757][ T5467] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 235.909771][ T5467] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 235.917926][ T5467] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 235.926297][ T5467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.934357][ T5467] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.942368][ T5467]
[ 235.946916][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.960702][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.298531][ T5469] loop1: detected capacity change from 0 to 32768
[ 236.348376][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.355885][ T5469] CPU: 0 PID: 5469 Comm: syz.1.191 Not tainted syzkaller #0
[ 236.363187][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 236.373357][ T5469] Call Trace:
[ 236.376693][ T5469]
[ 236.379640][ T5469] dump_stack_lvl+0x168/0x230
[ 236.384465][ T5469] ? show_regs_print_info+0x20/0x20
[ 236.389717][ T5469] ? load_image+0x3b0/0x3b0
[ 236.394351][ T5469] sysfs_create_dir_ns+0x252/0x280
[ 236.399568][ T5469] ? __lock_acquire+0x7c60/0x7c60
[ 236.404690][ T5469] ? sysfs_warn_dup+0xa0/0xa0
[ 236.409414][ T5469] ? do_raw_spin_unlock+0x11d/0x230
[ 236.414629][ T5469] kobject_add_internal+0x662/0xd00
[ 236.420019][ T5469] kobject_init_and_add+0x122/0x190
[ 236.425217][ T5469] ? lockdep_softirqs_off+0x420/0x420
[ 236.430911][ T5469] ? kobject_add+0x210/0x210
[ 236.435555][ T5469] ? __init_swait_queue_head+0xa5/0x150
[ 236.441223][ T5469] gfs2_sys_fs_add+0x234/0x480
[ 236.445992][ T5469] ? gfs2_recover_set+0x240/0x240
[ 236.451043][ T5469] ? snprintf+0xd7/0x120
[ 236.455391][ T5469] ? __free_pages+0x95/0x1a0
[ 236.459977][ T5469] ? vscnprintf+0x80/0x80
[ 236.464307][ T5469] gfs2_fill_super+0x128d/0x1f50
[ 236.469238][ T5469] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.474338][ T5469] ? preempt_count_add+0x8d/0x190
[ 236.479357][ T5469] ? sb_set_blocksize+0xa5/0xe0
[ 236.484280][ T5469] get_tree_bdev+0x3f1/0x610
[ 236.488857][ T5469] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.493868][ T5469] gfs2_get_tree+0x4d/0x1e0
[ 236.498460][ T5469] vfs_get_tree+0x88/0x270
[ 236.502869][ T5469] do_new_mount+0x24a/0xa40
[ 236.507391][ T5469] __se_sys_mount+0x2d6/0x3c0
[ 236.512088][ T5469] ? __x64_sys_mount+0xc0/0xc0
[ 236.516864][ T5469] ? lockdep_hardirqs_on+0x94/0x140
[ 236.522065][ T5469] ? __x64_sys_mount+0x1c/0xc0
[ 236.526859][ T5469] do_syscall_64+0x4c/0xa0
[ 236.531285][ T5469] ? clear_bhb_loop+0x30/0x80
[ 236.535954][ T5469] ? clear_bhb_loop+0x30/0x80
[ 236.540655][ T5469] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.546724][ T5469] RIP: 0033:0x7fc8cefd138a
[ 236.551157][ T5469] 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
[ 236.570995][ T5469] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.579406][ T5469] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 236.587468][ T5469] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 236.595683][ T5469] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 236.604069][ T5469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.612045][ T5469] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.620038][ T5469]
[ 236.624697][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.638136][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.947644][ T5471] loop1: detected capacity change from 0 to 32768
[ 237.008320][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.017689][ T5471] CPU: 0 PID: 5471 Comm: syz.1.192 Not tainted syzkaller #0
[ 237.025031][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 237.035110][ T5471] Call Trace:
[ 237.038403][ T5471]
[ 237.038414][ T5471] dump_stack_lvl+0x168/0x230
[ 237.038443][ T5471] ? show_regs_print_info+0x20/0x20
[ 237.038459][ T5471] ? load_image+0x3b0/0x3b0
[ 237.055911][ T5471] sysfs_create_dir_ns+0x252/0x280
[ 237.061050][ T5471] ? __lock_acquire+0x7c60/0x7c60
[ 237.066090][ T5471] ? sysfs_warn_dup+0xa0/0xa0
[ 237.070789][ T5471] ? do_raw_spin_unlock+0x11d/0x230
[ 237.076006][ T5471] kobject_add_internal+0x662/0xd00
[ 237.081235][ T5471] kobject_init_and_add+0x122/0x190
[ 237.086588][ T5471] ? lockdep_softirqs_off+0x420/0x420
[ 237.091962][ T5471] ? kobject_add+0x210/0x210
[ 237.096544][ T5471] ? __init_swait_queue_head+0xa5/0x150
[ 237.102074][ T5471] gfs2_sys_fs_add+0x234/0x480
[ 237.106839][ T5471] ? gfs2_recover_set+0x240/0x240
[ 237.111865][ T5471] ? snprintf+0xd7/0x120
[ 237.116111][ T5471] ? __free_pages+0x95/0x1a0
[ 237.120695][ T5471] ? vscnprintf+0x80/0x80
[ 237.125045][ T5471] gfs2_fill_super+0x128d/0x1f50
[ 237.129975][ T5471] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.135000][ T5471] ? preempt_count_add+0x8d/0x190
[ 237.140028][ T5471] ? sb_set_blocksize+0xa5/0xe0
[ 237.144950][ T5471] get_tree_bdev+0x3f1/0x610
[ 237.149717][ T5471] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.155057][ T5471] gfs2_get_tree+0x4d/0x1e0
[ 237.159639][ T5471] vfs_get_tree+0x88/0x270
[ 237.164053][ T5471] do_new_mount+0x24a/0xa40
[ 237.168555][ T5471] __se_sys_mount+0x2d6/0x3c0
[ 237.173224][ T5471] ? __x64_sys_mount+0xc0/0xc0
[ 237.177973][ T5471] ? lockdep_hardirqs_on+0x94/0x140
[ 237.183176][ T5471] ? __x64_sys_mount+0x1c/0xc0
[ 237.187933][ T5471] do_syscall_64+0x4c/0xa0
[ 237.192354][ T5471] ? clear_bhb_loop+0x30/0x80
[ 237.197004][ T5471] ? clear_bhb_loop+0x30/0x80
[ 237.201765][ T5471] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.207648][ T5471] RIP: 0033:0x7fc8cefd138a
[ 237.212059][ T5471] 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
[ 237.231835][ T5471] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.240344][ T5471] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 237.248326][ T5471] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 237.256284][ T5471] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 237.264243][ T5471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.272203][ T5471] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.280176][ T5471]
[ 237.289091][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.303393][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.625181][ T5473] loop1: detected capacity change from 0 to 32768
[ 237.645315][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.653904][ T5473] CPU: 1 PID: 5473 Comm: syz.1.193 Not tainted syzkaller #0
[ 237.661311][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 237.671477][ T5473] Call Trace:
[ 237.674771][ T5473]
[ 237.677724][ T5473] dump_stack_lvl+0x168/0x230
[ 237.682687][ T5473] ? show_regs_print_info+0x20/0x20
[ 237.687910][ T5473] ? load_image+0x3b0/0x3b0
[ 237.692446][ T5473] sysfs_create_dir_ns+0x252/0x280
[ 237.697584][ T5473] ? __lock_acquire+0x7c60/0x7c60
[ 237.702717][ T5473] ? sysfs_warn_dup+0xa0/0xa0
[ 237.707425][ T5473] ? do_raw_spin_unlock+0x11d/0x230
[ 237.712679][ T5473] kobject_add_internal+0x662/0xd00
[ 237.717906][ T5473] kobject_init_and_add+0x122/0x190
[ 237.723327][ T5473] ? lockdep_softirqs_off+0x420/0x420
[ 237.728697][ T5473] ? kobject_add+0x210/0x210
[ 237.733320][ T5473] ? __init_swait_queue_head+0xa5/0x150
[ 237.738864][ T5473] gfs2_sys_fs_add+0x234/0x480
[ 237.743622][ T5473] ? gfs2_recover_set+0x240/0x240
[ 237.748809][ T5473] ? snprintf+0xd7/0x120
[ 237.753055][ T5473] ? __free_pages+0x95/0x1a0
[ 237.757647][ T5473] ? vscnprintf+0x80/0x80
[ 237.762003][ T5473] gfs2_fill_super+0x128d/0x1f50
[ 237.766947][ T5473] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.771957][ T5473] ? preempt_count_add+0x8d/0x190
[ 237.776972][ T5473] ? sb_set_blocksize+0xa5/0xe0
[ 237.781814][ T5473] get_tree_bdev+0x3f1/0x610
[ 237.786417][ T5473] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.791508][ T5473] gfs2_get_tree+0x4d/0x1e0
[ 237.796085][ T5473] vfs_get_tree+0x88/0x270
[ 237.800552][ T5473] do_new_mount+0x24a/0xa40
[ 237.805059][ T5473] __se_sys_mount+0x2d6/0x3c0
[ 237.809744][ T5473] ? __x64_sys_mount+0xc0/0xc0
[ 237.814753][ T5473] ? lockdep_hardirqs_on+0x94/0x140
[ 237.819943][ T5473] ? __x64_sys_mount+0x1c/0xc0
[ 237.824815][ T5473] do_syscall_64+0x4c/0xa0
[ 237.829257][ T5473] ? clear_bhb_loop+0x30/0x80
[ 237.834139][ T5473] ? clear_bhb_loop+0x30/0x80
[ 237.838846][ T5473] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.844760][ T5473] RIP: 0033:0x7fc8cefd138a
[ 237.849176][ T5473] 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
[ 237.868876][ T5473] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.877291][ T5473] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 237.885263][ T5473] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 237.893331][ T5473] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 237.901296][ T5473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.909267][ T5473] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.917539][ T5473]
[ 237.922590][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.935882][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 08:03:34 executed programs: 179
[ 238.271520][ T5475] loop1: detected capacity change from 0 to 32768
[ 238.338784][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.347119][ T5475] CPU: 0 PID: 5475 Comm: syz.1.194 Not tainted syzkaller #0
[ 238.354618][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 238.364821][ T5475] Call Trace:
[ 238.368120][ T5475]
[ 238.371079][ T5475] dump_stack_lvl+0x168/0x230
[ 238.375945][ T5475] ? show_regs_print_info+0x20/0x20
[ 238.381156][ T5475] ? load_image+0x3b0/0x3b0
[ 238.385697][ T5475] sysfs_create_dir_ns+0x252/0x280
[ 238.390925][ T5475] ? __lock_acquire+0x7c60/0x7c60
[ 238.396003][ T5475] ? sysfs_warn_dup+0xa0/0xa0
[ 238.400708][ T5475] ? do_raw_spin_unlock+0x11d/0x230
[ 238.405934][ T5475] kobject_add_internal+0x662/0xd00
[ 238.411424][ T5475] kobject_init_and_add+0x122/0x190
[ 238.416650][ T5475] ? lockdep_softirqs_off+0x420/0x420
[ 238.422033][ T5475] ? kobject_add+0x210/0x210
[ 238.426857][ T5475] ? __init_swait_queue_head+0xa5/0x150
[ 238.432552][ T5475] gfs2_sys_fs_add+0x234/0x480
[ 238.437335][ T5475] ? gfs2_recover_set+0x240/0x240
[ 238.442379][ T5475] ? snprintf+0xd7/0x120
[ 238.446622][ T5475] ? __free_pages+0x95/0x1a0
[ 238.451203][ T5475] ? vscnprintf+0x80/0x80
[ 238.455700][ T5475] gfs2_fill_super+0x128d/0x1f50
[ 238.460675][ T5475] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.465727][ T5475] ? preempt_count_add+0x8d/0x190
[ 238.470762][ T5475] ? sb_set_blocksize+0xa5/0xe0
[ 238.475620][ T5475] get_tree_bdev+0x3f1/0x610
[ 238.480369][ T5475] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.485525][ T5475] gfs2_get_tree+0x4d/0x1e0
[ 238.490048][ T5475] vfs_get_tree+0x88/0x270
[ 238.494518][ T5475] do_new_mount+0x24a/0xa40
[ 238.499023][ T5475] __se_sys_mount+0x2d6/0x3c0
[ 238.503702][ T5475] ? __x64_sys_mount+0xc0/0xc0
[ 238.508464][ T5475] ? lockdep_hardirqs_on+0x94/0x140
[ 238.513682][ T5475] ? __x64_sys_mount+0x1c/0xc0
[ 238.518461][ T5475] do_syscall_64+0x4c/0xa0
[ 238.522889][ T5475] ? clear_bhb_loop+0x30/0x80
[ 238.527550][ T5475] ? clear_bhb_loop+0x30/0x80
[ 238.532225][ T5475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.538106][ T5475] RIP: 0033:0x7fc8cefd138a
[ 238.542529][ T5475] 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
[ 238.562980][ T5475] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.571425][ T5475] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 238.579402][ T5475] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 238.587547][ T5475] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 238.595613][ T5475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.603682][ T5475] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.611706][ T5475]
[ 238.615786][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.632508][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.942470][ T5477] loop1: detected capacity change from 0 to 32768
[ 238.953899][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.961720][ T5477] CPU: 0 PID: 5477 Comm: syz.1.195 Not tainted syzkaller #0
[ 238.969139][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 238.979216][ T5477] Call Trace:
[ 238.982517][ T5477]
[ 238.985451][ T5477] dump_stack_lvl+0x168/0x230
[ 238.990238][ T5477] ? show_regs_print_info+0x20/0x20
[ 238.995468][ T5477] ? load_image+0x3b0/0x3b0
[ 239.000002][ T5477] sysfs_create_dir_ns+0x252/0x280
[ 239.005129][ T5477] ? __lock_acquire+0x7c60/0x7c60
[ 239.010314][ T5477] ? sysfs_warn_dup+0xa0/0xa0
[ 239.014975][ T5477] ? do_raw_spin_unlock+0x11d/0x230
[ 239.020165][ T5477] kobject_add_internal+0x662/0xd00
[ 239.025356][ T5477] kobject_init_and_add+0x122/0x190
[ 239.030536][ T5477] ? lockdep_softirqs_off+0x420/0x420
[ 239.035892][ T5477] ? kobject_add+0x210/0x210
[ 239.040476][ T5477] ? __init_swait_queue_head+0xa5/0x150
[ 239.046019][ T5477] gfs2_sys_fs_add+0x234/0x480
[ 239.050825][ T5477] ? gfs2_recover_set+0x240/0x240
[ 239.055855][ T5477] ? snprintf+0xd7/0x120
[ 239.060182][ T5477] ? __free_pages+0x95/0x1a0
[ 239.064783][ T5477] ? vscnprintf+0x80/0x80
[ 239.069202][ T5477] gfs2_fill_super+0x128d/0x1f50
[ 239.074304][ T5477] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.079343][ T5477] ? preempt_count_add+0x8d/0x190
[ 239.084392][ T5477] ? sb_set_blocksize+0xa5/0xe0
[ 239.089337][ T5477] get_tree_bdev+0x3f1/0x610
[ 239.093947][ T5477] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.098954][ T5477] gfs2_get_tree+0x4d/0x1e0
[ 239.103524][ T5477] vfs_get_tree+0x88/0x270
[ 239.107920][ T5477] do_new_mount+0x24a/0xa40
[ 239.112513][ T5477] __se_sys_mount+0x2d6/0x3c0
[ 239.117189][ T5477] ? __x64_sys_mount+0xc0/0xc0
[ 239.121984][ T5477] ? lockdep_hardirqs_on+0x94/0x140
[ 239.127253][ T5477] ? __x64_sys_mount+0x1c/0xc0
[ 239.132102][ T5477] do_syscall_64+0x4c/0xa0
[ 239.136495][ T5477] ? clear_bhb_loop+0x30/0x80
[ 239.141156][ T5477] ? clear_bhb_loop+0x30/0x80
[ 239.145809][ T5477] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.151710][ T5477] RIP: 0033:0x7fc8cefd138a
[ 239.156108][ T5477] 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
[ 239.175803][ T5477] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.184207][ T5477] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 239.192312][ T5477] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 239.200297][ T5477] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 239.208383][ T5477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.216631][ T5477] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.224728][ T5477]
[ 239.229216][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.242388][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.585373][ T5479] loop1: detected capacity change from 0 to 32768
[ 239.656399][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.665395][ T5479] CPU: 0 PID: 5479 Comm: syz.1.196 Not tainted syzkaller #0
[ 239.672716][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 239.682871][ T5479] Call Trace:
[ 239.686166][ T5479]
[ 239.689308][ T5479] dump_stack_lvl+0x168/0x230
[ 239.694102][ T5479] ? show_regs_print_info+0x20/0x20
[ 239.699405][ T5479] ? load_image+0x3b0/0x3b0
[ 239.703945][ T5479] sysfs_create_dir_ns+0x252/0x280
[ 239.709185][ T5479] ? __lock_acquire+0x7c60/0x7c60
[ 239.714238][ T5479] ? sysfs_warn_dup+0xa0/0xa0
[ 239.719020][ T5479] ? do_raw_spin_unlock+0x11d/0x230
[ 239.724246][ T5479] kobject_add_internal+0x662/0xd00
[ 239.729557][ T5479] kobject_init_and_add+0x122/0x190
[ 239.734764][ T5479] ? lockdep_softirqs_off+0x420/0x420
[ 239.740144][ T5479] ? kobject_add+0x210/0x210
[ 239.744811][ T5479] ? __init_swait_queue_head+0xa5/0x150
[ 239.750521][ T5479] gfs2_sys_fs_add+0x234/0x480
[ 239.755300][ T5479] ? gfs2_recover_set+0x240/0x240
[ 239.760320][ T5479] ? snprintf+0xd7/0x120
[ 239.764562][ T5479] ? __free_pages+0x95/0x1a0
[ 239.769146][ T5479] ? vscnprintf+0x80/0x80
[ 239.773496][ T5479] gfs2_fill_super+0x128d/0x1f50
[ 239.778436][ T5479] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.783574][ T5479] ? preempt_count_add+0x8d/0x190
[ 239.788626][ T5479] ? sb_set_blocksize+0xa5/0xe0
[ 239.793749][ T5479] get_tree_bdev+0x3f1/0x610
[ 239.798333][ T5479] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.803348][ T5479] gfs2_get_tree+0x4d/0x1e0
[ 239.807833][ T5479] vfs_get_tree+0x88/0x270
[ 239.812242][ T5479] do_new_mount+0x24a/0xa40
[ 239.816727][ T5479] __se_sys_mount+0x2d6/0x3c0
[ 239.821477][ T5479] ? __x64_sys_mount+0xc0/0xc0
[ 239.826275][ T5479] ? lockdep_hardirqs_on+0x94/0x140
[ 239.831453][ T5479] ? __x64_sys_mount+0x1c/0xc0
[ 239.836215][ T5479] do_syscall_64+0x4c/0xa0
[ 239.840614][ T5479] ? clear_bhb_loop+0x30/0x80
[ 239.845293][ T5479] ? clear_bhb_loop+0x30/0x80
[ 239.849950][ T5479] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.855817][ T5479] RIP: 0033:0x7fc8cefd138a
[ 239.860212][ T5479] 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
[ 239.879798][ T5479] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.888204][ T5479] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 239.896245][ T5479] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 239.904268][ T5479] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 239.912239][ T5479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.920207][ T5479] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.928179][ T5479]
[ 239.932362][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.945776][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.251759][ T5481] loop1: detected capacity change from 0 to 32768
[ 240.315709][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.323432][ T5481] CPU: 1 PID: 5481 Comm: syz.1.197 Not tainted syzkaller #0
[ 240.330739][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 240.340823][ T5481] Call Trace:
[ 240.344108][ T5481]
[ 240.347041][ T5481] dump_stack_lvl+0x168/0x230
[ 240.351824][ T5481] ? show_regs_print_info+0x20/0x20
[ 240.357038][ T5481] ? load_image+0x3b0/0x3b0
[ 240.361567][ T5481] sysfs_create_dir_ns+0x252/0x280
[ 240.366693][ T5481] ? __lock_acquire+0x7c60/0x7c60
[ 240.371727][ T5481] ? sysfs_warn_dup+0xa0/0xa0
[ 240.376412][ T5481] ? do_raw_spin_unlock+0x11d/0x230
[ 240.381619][ T5481] kobject_add_internal+0x662/0xd00
[ 240.386915][ T5481] kobject_init_and_add+0x122/0x190
[ 240.392123][ T5481] ? lockdep_softirqs_off+0x420/0x420
[ 240.397508][ T5481] ? kobject_add+0x210/0x210
[ 240.402102][ T5481] ? __init_swait_queue_head+0xa5/0x150
[ 240.407733][ T5481] gfs2_sys_fs_add+0x234/0x480
[ 240.412722][ T5481] ? gfs2_recover_set+0x240/0x240
[ 240.417865][ T5481] ? snprintf+0xd7/0x120
[ 240.422115][ T5481] ? __free_pages+0x95/0x1a0
[ 240.426696][ T5481] ? vscnprintf+0x80/0x80
[ 240.431017][ T5481] gfs2_fill_super+0x128d/0x1f50
[ 240.435951][ T5481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.440971][ T5481] ? preempt_count_add+0x8d/0x190
[ 240.445993][ T5481] ? sb_set_blocksize+0xa5/0xe0
[ 240.450836][ T5481] get_tree_bdev+0x3f1/0x610
[ 240.455421][ T5481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.460440][ T5481] gfs2_get_tree+0x4d/0x1e0
[ 240.465023][ T5481] vfs_get_tree+0x88/0x270
[ 240.469621][ T5481] do_new_mount+0x24a/0xa40
[ 240.474134][ T5481] __se_sys_mount+0x2d6/0x3c0
[ 240.478835][ T5481] ? __x64_sys_mount+0xc0/0xc0
[ 240.483602][ T5481] ? lockdep_hardirqs_on+0x94/0x140
[ 240.488795][ T5481] ? __x64_sys_mount+0x1c/0xc0
[ 240.493630][ T5481] do_syscall_64+0x4c/0xa0
[ 240.498029][ T5481] ? clear_bhb_loop+0x30/0x80
[ 240.502694][ T5481] ? clear_bhb_loop+0x30/0x80
[ 240.507356][ T5481] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.513620][ T5481] RIP: 0033:0x7fc8cefd138a
[ 240.518030][ T5481] 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
[ 240.537621][ T5481] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.546039][ T5481] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 240.554543][ T5481] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 240.562593][ T5481] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 240.570782][ T5481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.578744][ T5481] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.586800][ T5481]
[ 240.594601][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.609088][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.933436][ T5483] loop1: detected capacity change from 0 to 32768
[ 240.943994][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.953570][ T5483] CPU: 1 PID: 5483 Comm: syz.1.198 Not tainted syzkaller #0
[ 240.960897][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 240.970979][ T5483] Call Trace:
[ 240.974449][ T5483]
[ 240.977402][ T5483] dump_stack_lvl+0x168/0x230
[ 240.982204][ T5483] ? show_regs_print_info+0x20/0x20
[ 240.987505][ T5483] ? load_image+0x3b0/0x3b0
[ 240.992467][ T5483] sysfs_create_dir_ns+0x252/0x280
[ 240.997690][ T5483] ? __lock_acquire+0x7c60/0x7c60
[ 241.002727][ T5483] ? sysfs_warn_dup+0xa0/0xa0
[ 241.007407][ T5483] ? do_raw_spin_unlock+0x11d/0x230
[ 241.012608][ T5483] kobject_add_internal+0x662/0xd00
[ 241.017805][ T5483] kobject_init_and_add+0x122/0x190
[ 241.022990][ T5483] ? lockdep_softirqs_off+0x420/0x420
[ 241.028362][ T5483] ? kobject_add+0x210/0x210
[ 241.032944][ T5483] ? __init_swait_queue_head+0xa5/0x150
[ 241.038637][ T5483] gfs2_sys_fs_add+0x234/0x480
[ 241.043409][ T5483] ? gfs2_recover_set+0x240/0x240
[ 241.048442][ T5483] ? snprintf+0xd7/0x120
[ 241.052795][ T5483] ? __free_pages+0x95/0x1a0
[ 241.057597][ T5483] ? vscnprintf+0x80/0x80
[ 241.061933][ T5483] gfs2_fill_super+0x128d/0x1f50
[ 241.066873][ T5483] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.071902][ T5483] ? preempt_count_add+0x8d/0x190
[ 241.077046][ T5483] ? sb_set_blocksize+0xa5/0xe0
[ 241.082005][ T5483] get_tree_bdev+0x3f1/0x610
[ 241.086687][ T5483] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.091735][ T5483] gfs2_get_tree+0x4d/0x1e0
[ 241.096229][ T5483] vfs_get_tree+0x88/0x270
[ 241.100639][ T5483] do_new_mount+0x24a/0xa40
[ 241.105253][ T5483] __se_sys_mount+0x2d6/0x3c0
[ 241.109922][ T5483] ? __x64_sys_mount+0xc0/0xc0
[ 241.114676][ T5483] ? lockdep_hardirqs_on+0x94/0x140
[ 241.119873][ T5483] ? __x64_sys_mount+0x1c/0xc0
[ 241.124734][ T5483] do_syscall_64+0x4c/0xa0
[ 241.129225][ T5483] ? clear_bhb_loop+0x30/0x80
[ 241.133990][ T5483] ? clear_bhb_loop+0x30/0x80
[ 241.138675][ T5483] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.144561][ T5483] RIP: 0033:0x7fc8cefd138a
[ 241.148964][ T5483] 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
[ 241.168582][ T5483] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.176995][ T5483] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 241.184951][ T5483] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 241.193080][ T5483] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 241.201044][ T5483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.209016][ T5483] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.217016][ T5483]
[ 241.221853][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.235145][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.547801][ T5485] loop1: detected capacity change from 0 to 32768
[ 241.649873][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.659361][ T5485] CPU: 1 PID: 5485 Comm: syz.1.199 Not tainted syzkaller #0
[ 241.666679][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 241.676754][ T5485] Call Trace:
[ 241.680325][ T5485]
[ 241.683273][ T5485] dump_stack_lvl+0x168/0x230
[ 241.687979][ T5485] ? show_regs_print_info+0x20/0x20
[ 241.693207][ T5485] ? load_image+0x3b0/0x3b0
[ 241.697840][ T5485] sysfs_create_dir_ns+0x252/0x280
[ 241.702962][ T5485] ? __lock_acquire+0x7c60/0x7c60
[ 241.708081][ T5485] ? sysfs_warn_dup+0xa0/0xa0
[ 241.712758][ T5485] ? do_raw_spin_unlock+0x11d/0x230
[ 241.717943][ T5485] kobject_add_internal+0x662/0xd00
[ 241.723152][ T5485] kobject_init_and_add+0x122/0x190
[ 241.728357][ T5485] ? lockdep_softirqs_off+0x420/0x420
[ 241.733738][ T5485] ? kobject_add+0x210/0x210
[ 241.738320][ T5485] ? __init_swait_queue_head+0xa5/0x150
[ 241.743888][ T5485] gfs2_sys_fs_add+0x234/0x480
[ 241.748641][ T5485] ? gfs2_recover_set+0x240/0x240
[ 241.753646][ T5485] ? snprintf+0xd7/0x120
[ 241.757881][ T5485] ? __free_pages+0x95/0x1a0
[ 241.762469][ T5485] ? vscnprintf+0x80/0x80
[ 241.766811][ T5485] gfs2_fill_super+0x128d/0x1f50
[ 241.771781][ T5485] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.776807][ T5485] ? preempt_count_add+0x8d/0x190
[ 241.781946][ T5485] ? sb_set_blocksize+0xa5/0xe0
[ 241.786879][ T5485] get_tree_bdev+0x3f1/0x610
[ 241.791454][ T5485] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.796494][ T5485] gfs2_get_tree+0x4d/0x1e0
[ 241.800987][ T5485] vfs_get_tree+0x88/0x270
[ 241.805399][ T5485] do_new_mount+0x24a/0xa40
[ 241.809888][ T5485] __se_sys_mount+0x2d6/0x3c0
[ 241.814549][ T5485] ? __x64_sys_mount+0xc0/0xc0
[ 241.819297][ T5485] ? lockdep_hardirqs_on+0x94/0x140
[ 241.824476][ T5485] ? __x64_sys_mount+0x1c/0xc0
[ 241.829341][ T5485] do_syscall_64+0x4c/0xa0
[ 241.833741][ T5485] ? clear_bhb_loop+0x30/0x80
[ 241.838584][ T5485] ? clear_bhb_loop+0x30/0x80
[ 241.843276][ T5485] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.849161][ T5485] RIP: 0033:0x7fc8cefd138a
[ 241.853569][ T5485] 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
[ 241.873163][ T5485] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.881589][ T5485] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 241.889578][ T5485] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 241.897561][ T5485] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 241.905907][ T5485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.913873][ T5485] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.921857][ T5485]
[ 241.926311][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.940269][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.279098][ T5487] loop1: detected capacity change from 0 to 32768
[ 242.362225][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.369919][ T5487] CPU: 1 PID: 5487 Comm: syz.1.200 Not tainted syzkaller #0
[ 242.377213][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 242.387521][ T5487] Call Trace:
[ 242.390820][ T5487]
[ 242.393771][ T5487] dump_stack_lvl+0x168/0x230
[ 242.398485][ T5487] ? show_regs_print_info+0x20/0x20
[ 242.403712][ T5487] ? load_image+0x3b0/0x3b0
[ 242.408252][ T5487] sysfs_create_dir_ns+0x252/0x280
[ 242.413401][ T5487] ? __lock_acquire+0x7c60/0x7c60
[ 242.418422][ T5487] ? sysfs_warn_dup+0xa0/0xa0
[ 242.423093][ T5487] ? do_raw_spin_unlock+0x11d/0x230
[ 242.428289][ T5487] kobject_add_internal+0x662/0xd00
[ 242.433479][ T5487] kobject_init_and_add+0x122/0x190
[ 242.438681][ T5487] ? lockdep_softirqs_off+0x420/0x420
[ 242.444147][ T5487] ? kobject_add+0x210/0x210
[ 242.448734][ T5487] ? __init_swait_queue_head+0xa5/0x150
[ 242.454286][ T5487] gfs2_sys_fs_add+0x234/0x480
[ 242.459129][ T5487] ? gfs2_recover_set+0x240/0x240
[ 242.464201][ T5487] ? snprintf+0xd7/0x120
[ 242.468640][ T5487] ? __free_pages+0x95/0x1a0
[ 242.473319][ T5487] ? vscnprintf+0x80/0x80
[ 242.477660][ T5487] gfs2_fill_super+0x128d/0x1f50
[ 242.482618][ T5487] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.487644][ T5487] ? preempt_count_add+0x8d/0x190
[ 242.492658][ T5487] ? sb_set_blocksize+0xa5/0xe0
[ 242.497493][ T5487] get_tree_bdev+0x3f1/0x610
[ 242.502071][ T5487] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.507120][ T5487] gfs2_get_tree+0x4d/0x1e0
[ 242.511684][ T5487] vfs_get_tree+0x88/0x270
[ 242.516105][ T5487] do_new_mount+0x24a/0xa40
[ 242.520752][ T5487] __se_sys_mount+0x2d6/0x3c0
[ 242.525455][ T5487] ? __x64_sys_mount+0xc0/0xc0
[ 242.530225][ T5487] ? lockdep_hardirqs_on+0x94/0x140
[ 242.535418][ T5487] ? __x64_sys_mount+0x1c/0xc0
[ 242.540238][ T5487] do_syscall_64+0x4c/0xa0
[ 242.544638][ T5487] ? clear_bhb_loop+0x30/0x80
[ 242.549317][ T5487] ? clear_bhb_loop+0x30/0x80
[ 242.553980][ T5487] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.559869][ T5487] RIP: 0033:0x7fc8cefd138a
[ 242.564284][ T5487] 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
[ 242.584074][ T5487] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.592484][ T5487] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 242.600475][ T5487] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 242.608446][ T5487] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 242.616413][ T5487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.624402][ T5487] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.632474][ T5487]
[ 242.637005][ T5051] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.643348][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.656798][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.962899][ T5489] loop1: detected capacity change from 0 to 32768
[ 243.025682][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.033842][ T5489] CPU: 0 PID: 5489 Comm: syz.1.201 Not tainted syzkaller #0
[ 243.041148][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 243.051775][ T5489] Call Trace:
[ 243.055064][ T5489]
[ 243.058009][ T5489] dump_stack_lvl+0x168/0x230
[ 243.062705][ T5489] ? show_regs_print_info+0x20/0x20
[ 243.068351][ T5489] ? load_image+0x3b0/0x3b0
[ 243.072959][ T5489] sysfs_create_dir_ns+0x252/0x280
[ 243.078170][ T5489] ? __lock_acquire+0x7c60/0x7c60
[ 243.083249][ T5489] ? sysfs_warn_dup+0xa0/0xa0
[ 243.087940][ T5489] ? do_raw_spin_unlock+0x11d/0x230
[ 243.093177][ T5489] kobject_add_internal+0x662/0xd00
[ 243.098472][ T5489] kobject_init_and_add+0x122/0x190
[ 243.103672][ T5489] ? lockdep_softirqs_off+0x420/0x420
[ 243.109323][ T5489] ? kobject_add+0x210/0x210
[ 243.113905][ T5489] ? __init_swait_queue_head+0xa5/0x150
[ 243.119544][ T5489] gfs2_sys_fs_add+0x234/0x480
[ 243.124299][ T5489] ? gfs2_recover_set+0x240/0x240
[ 243.129434][ T5489] ? snprintf+0xd7/0x120
[ 243.133677][ T5489] ? __free_pages+0x95/0x1a0
[ 243.138261][ T5489] ? vscnprintf+0x80/0x80
[ 243.142678][ T5489] gfs2_fill_super+0x128d/0x1f50
[ 243.147700][ T5489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.152729][ T5489] ? preempt_count_add+0x8d/0x190
[ 243.157836][ T5489] ? sb_set_blocksize+0xa5/0xe0
[ 243.162694][ T5489] get_tree_bdev+0x3f1/0x610
[ 243.167287][ T5489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.172302][ T5489] gfs2_get_tree+0x4d/0x1e0
[ 243.177130][ T5489] vfs_get_tree+0x88/0x270
[ 243.181571][ T5489] do_new_mount+0x24a/0xa40
[ 243.186257][ T5489] __se_sys_mount+0x2d6/0x3c0
[ 243.190937][ T5489] ? __x64_sys_mount+0xc0/0xc0
[ 243.195691][ T5489] ? lockdep_hardirqs_on+0x94/0x140
[ 243.201154][ T5489] ? __x64_sys_mount+0x1c/0xc0
[ 243.205901][ T5489] do_syscall_64+0x4c/0xa0
[ 243.210296][ T5489] ? clear_bhb_loop+0x30/0x80
[ 243.215045][ T5489] ? clear_bhb_loop+0x30/0x80
[ 243.219850][ T5489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.226001][ T5489] RIP: 0033:0x7fc8cefd138a
[ 243.230535][ T5489] 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
[ 243.250134][ T5489] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.258547][ T5489] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 243.267067][ T5489] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 243.275032][ T5489] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 243.282999][ T5489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.290977][ T5489] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.299390][ T5489]
[ 243.303665][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.317369][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 08:03:39 executed programs: 187
[ 243.644985][ T5491] loop1: detected capacity change from 0 to 32768
[ 243.662845][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.670384][ T5491] CPU: 1 PID: 5491 Comm: syz.1.202 Not tainted syzkaller #0
[ 243.677775][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 243.687843][ T5491] Call Trace:
[ 243.691127][ T5491]
[ 243.694054][ T5491] dump_stack_lvl+0x168/0x230
[ 243.698735][ T5491] ? show_regs_print_info+0x20/0x20
[ 243.703940][ T5491] ? load_image+0x3b0/0x3b0
[ 243.708462][ T5491] sysfs_create_dir_ns+0x252/0x280
[ 243.713794][ T5491] ? __lock_acquire+0x7c60/0x7c60
[ 243.718824][ T5491] ? sysfs_warn_dup+0xa0/0xa0
[ 243.723512][ T5491] ? do_raw_spin_unlock+0x11d/0x230
[ 243.728716][ T5491] kobject_add_internal+0x662/0xd00
[ 243.734097][ T5491] kobject_init_and_add+0x122/0x190
[ 243.739413][ T5491] ? lockdep_softirqs_off+0x420/0x420
[ 243.744803][ T5491] ? kobject_add+0x210/0x210
[ 243.749405][ T5491] ? __init_swait_queue_head+0xa5/0x150
[ 243.754966][ T5491] gfs2_sys_fs_add+0x234/0x480
[ 243.759749][ T5491] ? gfs2_recover_set+0x240/0x240
[ 243.764922][ T5491] ? snprintf+0xd7/0x120
[ 243.769169][ T5491] ? __free_pages+0x95/0x1a0
[ 243.773753][ T5491] ? vscnprintf+0x80/0x80
[ 243.778125][ T5491] gfs2_fill_super+0x128d/0x1f50
[ 243.783177][ T5491] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.788190][ T5491] ? preempt_count_add+0x8d/0x190
[ 243.793203][ T5491] ? sb_set_blocksize+0xa5/0xe0
[ 243.798041][ T5491] get_tree_bdev+0x3f1/0x610
[ 243.802697][ T5491] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.807703][ T5491] gfs2_get_tree+0x4d/0x1e0
[ 243.812187][ T5491] vfs_get_tree+0x88/0x270
[ 243.816590][ T5491] do_new_mount+0x24a/0xa40
[ 243.821073][ T5491] __se_sys_mount+0x2d6/0x3c0
[ 243.825844][ T5491] ? __x64_sys_mount+0xc0/0xc0
[ 243.830613][ T5491] ? lockdep_hardirqs_on+0x94/0x140
[ 243.835958][ T5491] ? __x64_sys_mount+0x1c/0xc0
[ 243.840753][ T5491] do_syscall_64+0x4c/0xa0
[ 243.845254][ T5491] ? clear_bhb_loop+0x30/0x80
[ 243.849965][ T5491] ? clear_bhb_loop+0x30/0x80
[ 243.854818][ T5491] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.860720][ T5491] RIP: 0033:0x7fc8cefd138a
[ 243.865118][ T5491] 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
[ 243.885021][ T5491] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.893448][ T5491] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 243.901409][ T5491] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 243.909539][ T5491] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 243.917617][ T5491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.925677][ T5491] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.933669][ T5491]
[ 243.938289][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.951645][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.262365][ T5493] loop1: detected capacity change from 0 to 32768
[ 244.325837][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.333420][ T5493] CPU: 0 PID: 5493 Comm: syz.1.203 Not tainted syzkaller #0
[ 244.340853][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 244.351113][ T5493] Call Trace:
[ 244.354414][ T5493]
[ 244.357368][ T5493] dump_stack_lvl+0x168/0x230
[ 244.362076][ T5493] ? show_regs_print_info+0x20/0x20
[ 244.367316][ T5493] ? load_image+0x3b0/0x3b0
[ 244.371850][ T5493] sysfs_create_dir_ns+0x252/0x280
[ 244.376985][ T5493] ? __lock_acquire+0x7c60/0x7c60
[ 244.382057][ T5493] ? sysfs_warn_dup+0xa0/0xa0
[ 244.386773][ T5493] ? do_raw_spin_unlock+0x11d/0x230
[ 244.392079][ T5493] kobject_add_internal+0x662/0xd00
[ 244.397397][ T5493] kobject_init_and_add+0x122/0x190
[ 244.402605][ T5493] ? lockdep_softirqs_off+0x420/0x420
[ 244.407975][ T5493] ? kobject_add+0x210/0x210
[ 244.412578][ T5493] ? __init_swait_queue_head+0xa5/0x150
[ 244.418131][ T5493] gfs2_sys_fs_add+0x234/0x480
[ 244.423077][ T5493] ? gfs2_recover_set+0x240/0x240
[ 244.428081][ T5493] ? snprintf+0xd7/0x120
[ 244.432329][ T5493] ? __free_pages+0x95/0x1a0
[ 244.437038][ T5493] ? vscnprintf+0x80/0x80
[ 244.441379][ T5493] gfs2_fill_super+0x128d/0x1f50
[ 244.446319][ T5493] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.451364][ T5493] ? preempt_count_add+0x8d/0x190
[ 244.456373][ T5493] ? sb_set_blocksize+0xa5/0xe0
[ 244.461221][ T5493] get_tree_bdev+0x3f1/0x610
[ 244.465812][ T5493] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.471091][ T5493] gfs2_get_tree+0x4d/0x1e0
[ 244.475583][ T5493] vfs_get_tree+0x88/0x270
[ 244.480034][ T5493] do_new_mount+0x24a/0xa40
[ 244.484528][ T5493] __se_sys_mount+0x2d6/0x3c0
[ 244.489208][ T5493] ? __x64_sys_mount+0xc0/0xc0
[ 244.494011][ T5493] ? lockdep_hardirqs_on+0x94/0x140
[ 244.499337][ T5493] ? __x64_sys_mount+0x1c/0xc0
[ 244.504259][ T5493] do_syscall_64+0x4c/0xa0
[ 244.508667][ T5493] ? clear_bhb_loop+0x30/0x80
[ 244.513409][ T5493] ? clear_bhb_loop+0x30/0x80
[ 244.518300][ T5493] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.524200][ T5493] RIP: 0033:0x7fc8cefd138a
[ 244.528617][ T5493] 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
[ 244.548329][ T5493] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.556757][ T5493] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 244.564738][ T5493] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 244.572795][ T5493] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 244.580761][ T5493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.588726][ T5493] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.596746][ T5493]
[ 244.604694][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.618234][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.911481][ T5495] loop1: detected capacity change from 0 to 32768
[ 245.011595][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.019876][ T5495] CPU: 1 PID: 5495 Comm: syz.1.204 Not tainted syzkaller #0
[ 245.027193][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 245.037267][ T5495] Call Trace:
[ 245.040664][ T5495]
[ 245.043875][ T5495] dump_stack_lvl+0x168/0x230
[ 245.048581][ T5495] ? show_regs_print_info+0x20/0x20
[ 245.053885][ T5495] ? load_image+0x3b0/0x3b0
[ 245.058409][ T5495] sysfs_create_dir_ns+0x252/0x280
[ 245.063536][ T5495] ? __lock_acquire+0x7c60/0x7c60
[ 245.068561][ T5495] ? sysfs_warn_dup+0xa0/0xa0
[ 245.073244][ T5495] ? do_raw_spin_unlock+0x11d/0x230
[ 245.078432][ T5495] kobject_add_internal+0x662/0xd00
[ 245.083655][ T5495] kobject_init_and_add+0x122/0x190
[ 245.088841][ T5495] ? lockdep_softirqs_off+0x420/0x420
[ 245.094317][ T5495] ? kobject_add+0x210/0x210
[ 245.098908][ T5495] ? __init_swait_queue_head+0xa5/0x150
[ 245.104500][ T5495] gfs2_sys_fs_add+0x234/0x480
[ 245.109267][ T5495] ? gfs2_recover_set+0x240/0x240
[ 245.114372][ T5495] ? snprintf+0xd7/0x120
[ 245.118611][ T5495] ? __free_pages+0x95/0x1a0
[ 245.123211][ T5495] ? vscnprintf+0x80/0x80
[ 245.127532][ T5495] gfs2_fill_super+0x128d/0x1f50
[ 245.132494][ T5495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.137537][ T5495] ? preempt_count_add+0x8d/0x190
[ 245.142563][ T5495] ? sb_set_blocksize+0xa5/0xe0
[ 245.147602][ T5495] get_tree_bdev+0x3f1/0x610
[ 245.152198][ T5495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.157215][ T5495] gfs2_get_tree+0x4d/0x1e0
[ 245.161715][ T5495] vfs_get_tree+0x88/0x270
[ 245.166128][ T5495] do_new_mount+0x24a/0xa40
[ 245.170742][ T5495] __se_sys_mount+0x2d6/0x3c0
[ 245.175412][ T5495] ? __x64_sys_mount+0xc0/0xc0
[ 245.180163][ T5495] ? lockdep_hardirqs_on+0x94/0x140
[ 245.185491][ T5495] ? __x64_sys_mount+0x1c/0xc0
[ 245.190244][ T5495] do_syscall_64+0x4c/0xa0
[ 245.194643][ T5495] ? clear_bhb_loop+0x30/0x80
[ 245.199443][ T5495] ? clear_bhb_loop+0x30/0x80
[ 245.204117][ T5495] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.210005][ T5495] RIP: 0033:0x7fc8cefd138a
[ 245.214422][ T5495] 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
[ 245.234112][ T5495] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.242544][ T5495] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 245.250684][ T5495] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 245.258649][ T5495] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 245.266610][ T5495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.274569][ T5495] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.282561][ T5495]
[ 245.287409][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.300822][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.643866][ T5497] loop1: detected capacity change from 0 to 32768
[ 245.708466][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.715880][ T5497] CPU: 0 PID: 5497 Comm: syz.1.205 Not tainted syzkaller #0
[ 245.723186][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 245.733269][ T5497] Call Trace:
[ 245.736569][ T5497]
[ 245.739509][ T5497] dump_stack_lvl+0x168/0x230
[ 245.744211][ T5497] ? show_regs_print_info+0x20/0x20
[ 245.749434][ T5497] ? load_image+0x3b0/0x3b0
[ 245.753972][ T5497] sysfs_create_dir_ns+0x252/0x280
[ 245.759107][ T5497] ? __lock_acquire+0x7c60/0x7c60
[ 245.764326][ T5497] ? sysfs_warn_dup+0xa0/0xa0
[ 245.769046][ T5497] ? do_raw_spin_unlock+0x11d/0x230
[ 245.774275][ T5497] kobject_add_internal+0x662/0xd00
[ 245.779561][ T5497] kobject_init_and_add+0x122/0x190
[ 245.784848][ T5497] ? lockdep_softirqs_off+0x420/0x420
[ 245.790238][ T5497] ? kobject_add+0x210/0x210
[ 245.794823][ T5497] ? __init_swait_queue_head+0xa5/0x150
[ 245.800363][ T5497] gfs2_sys_fs_add+0x234/0x480
[ 245.805122][ T5497] ? gfs2_recover_set+0x240/0x240
[ 245.810134][ T5497] ? snprintf+0xd7/0x120
[ 245.814369][ T5497] ? __free_pages+0x95/0x1a0
[ 245.818970][ T5497] ? vscnprintf+0x80/0x80
[ 245.823355][ T5497] gfs2_fill_super+0x128d/0x1f50
[ 245.828301][ T5497] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.833309][ T5497] ? preempt_count_add+0x8d/0x190
[ 245.838320][ T5497] ? sb_set_blocksize+0xa5/0xe0
[ 245.843172][ T5497] get_tree_bdev+0x3f1/0x610
[ 245.847865][ T5497] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.852989][ T5497] gfs2_get_tree+0x4d/0x1e0
[ 245.857525][ T5497] vfs_get_tree+0x88/0x270
[ 245.861959][ T5497] do_new_mount+0x24a/0xa40
[ 245.866476][ T5497] __se_sys_mount+0x2d6/0x3c0
[ 245.871159][ T5497] ? __x64_sys_mount+0xc0/0xc0
[ 245.876070][ T5497] ? lockdep_hardirqs_on+0x94/0x140
[ 245.881275][ T5497] ? __x64_sys_mount+0x1c/0xc0
[ 245.886062][ T5497] do_syscall_64+0x4c/0xa0
[ 245.890494][ T5497] ? clear_bhb_loop+0x30/0x80
[ 245.895171][ T5497] ? clear_bhb_loop+0x30/0x80
[ 245.899926][ T5497] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.905936][ T5497] RIP: 0033:0x7fc8cefd138a
[ 245.910483][ T5497] 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
[ 245.930413][ T5497] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.939271][ T5497] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 245.947237][ T5497] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 245.955215][ T5497] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 245.963186][ T5497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.971150][ T5497] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.979138][ T5497]
[ 245.983383][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.996937][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.306234][ T5499] loop1: detected capacity change from 0 to 32768
[ 246.349049][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.356549][ T5499] CPU: 0 PID: 5499 Comm: syz.1.206 Not tainted syzkaller #0
[ 246.363993][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 246.374163][ T5499] Call Trace:
[ 246.377547][ T5499]
[ 246.380488][ T5499] dump_stack_lvl+0x168/0x230
[ 246.385193][ T5499] ? show_regs_print_info+0x20/0x20
[ 246.390513][ T5499] ? load_image+0x3b0/0x3b0
[ 246.395056][ T5499] sysfs_create_dir_ns+0x252/0x280
[ 246.400195][ T5499] ? __lock_acquire+0x7c60/0x7c60
[ 246.405238][ T5499] ? sysfs_warn_dup+0xa0/0xa0
[ 246.410114][ T5499] ? do_raw_spin_unlock+0x11d/0x230
[ 246.415422][ T5499] kobject_add_internal+0x662/0xd00
[ 246.420648][ T5499] kobject_init_and_add+0x122/0x190
[ 246.425875][ T5499] ? lockdep_softirqs_off+0x420/0x420
[ 246.431429][ T5499] ? kobject_add+0x210/0x210
[ 246.436034][ T5499] ? __init_swait_queue_head+0xa5/0x150
[ 246.441654][ T5499] gfs2_sys_fs_add+0x234/0x480
[ 246.446437][ T5499] ? gfs2_recover_set+0x240/0x240
[ 246.451496][ T5499] ? snprintf+0xd7/0x120
[ 246.455758][ T5499] ? __free_pages+0x95/0x1a0
[ 246.460362][ T5499] ? vscnprintf+0x80/0x80
[ 246.464706][ T5499] gfs2_fill_super+0x128d/0x1f50
[ 246.469657][ T5499] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.474871][ T5499] ? preempt_count_add+0x8d/0x190
[ 246.479888][ T5499] ? sb_set_blocksize+0xa5/0xe0
[ 246.484738][ T5499] get_tree_bdev+0x3f1/0x610
[ 246.489325][ T5499] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.494368][ T5499] gfs2_get_tree+0x4d/0x1e0
[ 246.498871][ T5499] vfs_get_tree+0x88/0x270
[ 246.503374][ T5499] do_new_mount+0x24a/0xa40
[ 246.508205][ T5499] __se_sys_mount+0x2d6/0x3c0
[ 246.512954][ T5499] ? __x64_sys_mount+0xc0/0xc0
[ 246.517813][ T5499] ? lockdep_hardirqs_on+0x94/0x140
[ 246.523025][ T5499] ? __x64_sys_mount+0x1c/0xc0
[ 246.527914][ T5499] do_syscall_64+0x4c/0xa0
[ 246.532423][ T5499] ? clear_bhb_loop+0x30/0x80
[ 246.537237][ T5499] ? clear_bhb_loop+0x30/0x80
[ 246.542448][ T5499] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.548373][ T5499] RIP: 0033:0x7fc8cefd138a
[ 246.552779][ T5499] 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
[ 246.572567][ T5499] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.581003][ T5499] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 246.589050][ T5499] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 246.597003][ T5499] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 246.605151][ T5499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.613246][ T5499] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.621412][ T5499]
[ 246.625825][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.639117][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.985289][ T5501] loop1: detected capacity change from 0 to 32768
[ 247.039184][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.046867][ T5501] CPU: 0 PID: 5501 Comm: syz.1.207 Not tainted syzkaller #0
[ 247.054183][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 247.064275][ T5501] Call Trace:
[ 247.067572][ T5501]
[ 247.070547][ T5501] dump_stack_lvl+0x168/0x230
[ 247.075243][ T5501] ? show_regs_print_info+0x20/0x20
[ 247.080471][ T5501] ? load_image+0x3b0/0x3b0
[ 247.085097][ T5501] sysfs_create_dir_ns+0x252/0x280
[ 247.090233][ T5501] ? __lock_acquire+0x7c60/0x7c60
[ 247.095277][ T5501] ? sysfs_warn_dup+0xa0/0xa0
[ 247.100312][ T5501] ? do_raw_spin_unlock+0x11d/0x230
[ 247.105523][ T5501] kobject_add_internal+0x662/0xd00
[ 247.110882][ T5501] kobject_init_and_add+0x122/0x190
[ 247.116190][ T5501] ? lockdep_softirqs_off+0x420/0x420
[ 247.121581][ T5501] ? kobject_add+0x210/0x210
[ 247.126285][ T5501] ? __init_swait_queue_head+0xa5/0x150
[ 247.131894][ T5501] gfs2_sys_fs_add+0x234/0x480
[ 247.136666][ T5501] ? gfs2_recover_set+0x240/0x240
[ 247.141678][ T5501] ? snprintf+0xd7/0x120
[ 247.145948][ T5501] ? __free_pages+0x95/0x1a0
[ 247.150582][ T5501] ? vscnprintf+0x80/0x80
[ 247.155036][ T5501] gfs2_fill_super+0x128d/0x1f50
[ 247.159980][ T5501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.164993][ T5501] ? preempt_count_add+0x8d/0x190
[ 247.170018][ T5501] ? sb_set_blocksize+0xa5/0xe0
[ 247.174872][ T5501] get_tree_bdev+0x3f1/0x610
[ 247.179467][ T5501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.184477][ T5501] gfs2_get_tree+0x4d/0x1e0
[ 247.188958][ T5501] vfs_get_tree+0x88/0x270
[ 247.193376][ T5501] do_new_mount+0x24a/0xa40
[ 247.197898][ T5501] __se_sys_mount+0x2d6/0x3c0
[ 247.202583][ T5501] ? __x64_sys_mount+0xc0/0xc0
[ 247.207374][ T5501] ? lockdep_hardirqs_on+0x94/0x140
[ 247.212580][ T5501] ? __x64_sys_mount+0x1c/0xc0
[ 247.217344][ T5501] do_syscall_64+0x4c/0xa0
[ 247.221744][ T5501] ? clear_bhb_loop+0x30/0x80
[ 247.226394][ T5501] ? clear_bhb_loop+0x30/0x80
[ 247.231052][ T5501] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.236935][ T5501] RIP: 0033:0x7fc8cefd138a
[ 247.241344][ T5501] 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
[ 247.260998][ T5501] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.269676][ T5501] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 247.277761][ T5501] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 247.285774][ T5501] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 247.293728][ T5501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.301691][ T5501] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.309665][ T5501]
[ 247.313746][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.327356][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.683370][ T5503] loop1: detected capacity change from 0 to 32768
[ 247.738112][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.745787][ T5503] CPU: 0 PID: 5503 Comm: syz.1.208 Not tainted syzkaller #0
[ 247.753089][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 247.763164][ T5503] Call Trace:
[ 247.766469][ T5503]
[ 247.769409][ T5503] dump_stack_lvl+0x168/0x230
[ 247.774110][ T5503] ? show_regs_print_info+0x20/0x20
[ 247.779471][ T5503] ? load_image+0x3b0/0x3b0
[ 247.784014][ T5503] sysfs_create_dir_ns+0x252/0x280
[ 247.789244][ T5503] ? __lock_acquire+0x7c60/0x7c60
[ 247.794301][ T5503] ? sysfs_warn_dup+0xa0/0xa0
[ 247.799012][ T5503] ? do_raw_spin_unlock+0x11d/0x230
[ 247.804236][ T5503] kobject_add_internal+0x662/0xd00
[ 247.809662][ T5503] kobject_init_and_add+0x122/0x190
[ 247.814886][ T5503] ? lockdep_softirqs_off+0x420/0x420
[ 247.820276][ T5503] ? kobject_add+0x210/0x210
[ 247.824870][ T5503] ? __init_swait_queue_head+0xa5/0x150
[ 247.830431][ T5503] gfs2_sys_fs_add+0x234/0x480
[ 247.835252][ T5503] ? gfs2_recover_set+0x240/0x240
[ 247.840415][ T5503] ? snprintf+0xd7/0x120
[ 247.844673][ T5503] ? __free_pages+0x95/0x1a0
[ 247.849261][ T5503] ? vscnprintf+0x80/0x80
[ 247.853602][ T5503] gfs2_fill_super+0x128d/0x1f50
[ 247.858561][ T5503] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.863581][ T5503] ? preempt_count_add+0x8d/0x190
[ 247.868603][ T5503] ? sb_set_blocksize+0xa5/0xe0
[ 247.873454][ T5503] get_tree_bdev+0x3f1/0x610
[ 247.878043][ T5503] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.883166][ T5503] gfs2_get_tree+0x4d/0x1e0
[ 247.887777][ T5503] vfs_get_tree+0x88/0x270
[ 247.892495][ T5503] do_new_mount+0x24a/0xa40
[ 247.897011][ T5503] __se_sys_mount+0x2d6/0x3c0
[ 247.901899][ T5503] ? __x64_sys_mount+0xc0/0xc0
[ 247.906755][ T5503] ? lockdep_hardirqs_on+0x94/0x140
[ 247.911960][ T5503] ? __x64_sys_mount+0x1c/0xc0
[ 247.916726][ T5503] do_syscall_64+0x4c/0xa0
[ 247.921131][ T5503] ? clear_bhb_loop+0x30/0x80
[ 247.925821][ T5503] ? clear_bhb_loop+0x30/0x80
[ 247.930492][ T5503] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.936468][ T5503] RIP: 0033:0x7fc8cefd138a
[ 247.940880][ T5503] 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
[ 247.960707][ T5503] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.969222][ T5503] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 247.977287][ T5503] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 247.985349][ T5503] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 247.993318][ T5503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.001289][ T5503] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.009287][ T5503]
[ 248.019474][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.033269][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.351745][ T5505] loop1: detected capacity change from 0 to 32768
[ 248.401376][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.410883][ T5505] CPU: 1 PID: 5505 Comm: syz.1.209 Not tainted syzkaller #0
[ 248.418292][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 248.428455][ T5505] Call Trace:
[ 248.431813][ T5505]
[ 248.434853][ T5505] dump_stack_lvl+0x168/0x230
[ 248.439562][ T5505] ? show_regs_print_info+0x20/0x20
[ 248.444794][ T5505] ? load_image+0x3b0/0x3b0
[ 248.449328][ T5505] sysfs_create_dir_ns+0x252/0x280
[ 248.454461][ T5505] ? __lock_acquire+0x7c60/0x7c60
[ 248.459501][ T5505] ? sysfs_warn_dup+0xa0/0xa0
[ 248.464330][ T5505] ? do_raw_spin_unlock+0x11d/0x230
[ 248.469636][ T5505] kobject_add_internal+0x662/0xd00
[ 248.474994][ T5505] kobject_init_and_add+0x122/0x190
[ 248.480226][ T5505] ? lockdep_softirqs_off+0x420/0x420
[ 248.485618][ T5505] ? kobject_add+0x210/0x210
[ 248.490238][ T5505] ? __init_swait_queue_head+0xa5/0x150
[ 248.495809][ T5505] gfs2_sys_fs_add+0x234/0x480
[ 248.500594][ T5505] ? gfs2_recover_set+0x240/0x240
[ 248.505873][ T5505] ? snprintf+0xd7/0x120
[ 248.510112][ T5505] ? __free_pages+0x95/0x1a0
[ 248.514804][ T5505] ? vscnprintf+0x80/0x80
[ 248.519127][ T5505] gfs2_fill_super+0x128d/0x1f50
[ 248.524157][ T5505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.529172][ T5505] ? preempt_count_add+0x8d/0x190
[ 248.534187][ T5505] ? sb_set_blocksize+0xa5/0xe0
[ 248.539024][ T5505] get_tree_bdev+0x3f1/0x610
[ 248.543605][ T5505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.548635][ T5505] gfs2_get_tree+0x4d/0x1e0
[ 248.553138][ T5505] vfs_get_tree+0x88/0x270
[ 248.557559][ T5505] do_new_mount+0x24a/0xa40
[ 248.562066][ T5505] __se_sys_mount+0x2d6/0x3c0
[ 248.566741][ T5505] ? __x64_sys_mount+0xc0/0xc0
[ 248.571502][ T5505] ? lockdep_hardirqs_on+0x94/0x140
[ 248.576691][ T5505] ? __x64_sys_mount+0x1c/0xc0
[ 248.581457][ T5505] do_syscall_64+0x4c/0xa0
[ 248.585873][ T5505] ? clear_bhb_loop+0x30/0x80
[ 248.590538][ T5505] ? clear_bhb_loop+0x30/0x80
[ 248.595291][ T5505] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.601313][ T5505] RIP: 0033:0x7fc8cefd138a
[ 248.605738][ T5505] 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
[ 248.625340][ T5505] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.633751][ T5505] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 248.641771][ T5505] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 248.649745][ T5505] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 248.657902][ T5505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.665894][ T5505] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.673865][ T5505]
[ 248.679732][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.693331][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 08:03:45 executed programs: 195
[ 249.014522][ T5507] loop1: detected capacity change from 0 to 32768
[ 249.056621][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.064288][ T5507] CPU: 1 PID: 5507 Comm: syz.1.210 Not tainted syzkaller #0
[ 249.071775][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 249.082014][ T5507] Call Trace:
[ 249.085337][ T5507]
[ 249.088288][ T5507] dump_stack_lvl+0x168/0x230
[ 249.092994][ T5507] ? show_regs_print_info+0x20/0x20
[ 249.098416][ T5507] ? load_image+0x3b0/0x3b0
[ 249.102949][ T5507] sysfs_create_dir_ns+0x252/0x280
[ 249.108085][ T5507] ? __lock_acquire+0x7c60/0x7c60
[ 249.113136][ T5507] ? sysfs_warn_dup+0xa0/0xa0
[ 249.117958][ T5507] ? do_raw_spin_unlock+0x11d/0x230
[ 249.123285][ T5507] kobject_add_internal+0x662/0xd00
[ 249.128594][ T5507] kobject_init_and_add+0x122/0x190
[ 249.134105][ T5507] ? lockdep_softirqs_off+0x420/0x420
[ 249.139649][ T5507] ? kobject_add+0x210/0x210
[ 249.144261][ T5507] ? __init_swait_queue_head+0xa5/0x150
[ 249.149917][ T5507] gfs2_sys_fs_add+0x234/0x480
[ 249.154788][ T5507] ? gfs2_recover_set+0x240/0x240
[ 249.159810][ T5507] ? snprintf+0xd7/0x120
[ 249.164129][ T5507] ? __free_pages+0x95/0x1a0
[ 249.168740][ T5507] ? vscnprintf+0x80/0x80
[ 249.173082][ T5507] gfs2_fill_super+0x128d/0x1f50
[ 249.178109][ T5507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.183117][ T5507] ? preempt_count_add+0x8d/0x190
[ 249.188128][ T5507] ? sb_set_blocksize+0xa5/0xe0
[ 249.192974][ T5507] get_tree_bdev+0x3f1/0x610
[ 249.197543][ T5507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.202640][ T5507] gfs2_get_tree+0x4d/0x1e0
[ 249.207133][ T5507] vfs_get_tree+0x88/0x270
[ 249.211552][ T5507] do_new_mount+0x24a/0xa40
[ 249.216041][ T5507] __se_sys_mount+0x2d6/0x3c0
[ 249.220704][ T5507] ? __x64_sys_mount+0xc0/0xc0
[ 249.225470][ T5507] ? lockdep_hardirqs_on+0x94/0x140
[ 249.230655][ T5507] ? __x64_sys_mount+0x1c/0xc0
[ 249.235405][ T5507] do_syscall_64+0x4c/0xa0
[ 249.239811][ T5507] ? clear_bhb_loop+0x30/0x80
[ 249.244484][ T5507] ? clear_bhb_loop+0x30/0x80
[ 249.249173][ T5507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.255069][ T5507] RIP: 0033:0x7fc8cefd138a
[ 249.259469][ T5507] 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
[ 249.279061][ T5507] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.287460][ T5507] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 249.295409][ T5507] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 249.303373][ T5507] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 249.311330][ T5507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.319292][ T5507] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.327361][ T5507]
[ 249.331891][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.345347][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.651978][ T5509] loop1: detected capacity change from 0 to 32768
[ 249.710350][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.719286][ T5509] CPU: 0 PID: 5509 Comm: syz.1.211 Not tainted syzkaller #0
[ 249.726714][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 249.736892][ T5509] Call Trace:
[ 249.740204][ T5509]
[ 249.743144][ T5509] dump_stack_lvl+0x168/0x230
[ 249.747840][ T5509] ? show_regs_print_info+0x20/0x20
[ 249.753067][ T5509] ? load_image+0x3b0/0x3b0
[ 249.757621][ T5509] sysfs_create_dir_ns+0x252/0x280
[ 249.762760][ T5509] ? __lock_acquire+0x7c60/0x7c60
[ 249.767810][ T5509] ? sysfs_warn_dup+0xa0/0xa0
[ 249.772513][ T5509] ? do_raw_spin_unlock+0x11d/0x230
[ 249.777734][ T5509] kobject_add_internal+0x662/0xd00
[ 249.782958][ T5509] kobject_init_and_add+0x122/0x190
[ 249.788177][ T5509] ? lockdep_softirqs_off+0x420/0x420
[ 249.793652][ T5509] ? kobject_add+0x210/0x210
[ 249.798248][ T5509] ? __init_swait_queue_head+0xa5/0x150
[ 249.803786][ T5509] gfs2_sys_fs_add+0x234/0x480
[ 249.808544][ T5509] ? gfs2_recover_set+0x240/0x240
[ 249.813568][ T5509] ? snprintf+0xd7/0x120
[ 249.817800][ T5509] ? __free_pages+0x95/0x1a0
[ 249.822387][ T5509] ? vscnprintf+0x80/0x80
[ 249.826800][ T5509] gfs2_fill_super+0x128d/0x1f50
[ 249.831733][ T5509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.836935][ T5509] ? preempt_count_add+0x8d/0x190
[ 249.842065][ T5509] ? sb_set_blocksize+0xa5/0xe0
[ 249.846952][ T5509] get_tree_bdev+0x3f1/0x610
[ 249.851648][ T5509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.856688][ T5509] gfs2_get_tree+0x4d/0x1e0
[ 249.861312][ T5509] vfs_get_tree+0x88/0x270
[ 249.865727][ T5509] do_new_mount+0x24a/0xa40
[ 249.870239][ T5509] __se_sys_mount+0x2d6/0x3c0
[ 249.874914][ T5509] ? __x64_sys_mount+0xc0/0xc0
[ 249.879674][ T5509] ? lockdep_hardirqs_on+0x94/0x140
[ 249.884869][ T5509] ? __x64_sys_mount+0x1c/0xc0
[ 249.889630][ T5509] do_syscall_64+0x4c/0xa0
[ 249.894034][ T5509] ? clear_bhb_loop+0x30/0x80
[ 249.898700][ T5509] ? clear_bhb_loop+0x30/0x80
[ 249.903392][ T5509] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.909272][ T5509] RIP: 0033:0x7fc8cefd138a
[ 249.913789][ T5509] 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
[ 249.933621][ T5509] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.942045][ T5509] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 249.950358][ T5509] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 249.958330][ T5509] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 249.966610][ T5509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.974700][ T5509] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.982775][ T5509]
[ 249.987499][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.001031][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.330223][ T5511] loop1: detected capacity change from 0 to 32768
[ 250.409525][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.419153][ T5511] CPU: 0 PID: 5511 Comm: syz.1.212 Not tainted syzkaller #0
[ 250.426472][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 250.436637][ T5511] Call Trace:
[ 250.439945][ T5511]
[ 250.442890][ T5511] dump_stack_lvl+0x168/0x230
[ 250.447601][ T5511] ? show_regs_print_info+0x20/0x20
[ 250.452841][ T5511] ? load_image+0x3b0/0x3b0
[ 250.457394][ T5511] sysfs_create_dir_ns+0x252/0x280
[ 250.462699][ T5511] ? __lock_acquire+0x7c60/0x7c60
[ 250.467749][ T5511] ? sysfs_warn_dup+0xa0/0xa0
[ 250.472455][ T5511] ? do_raw_spin_unlock+0x11d/0x230
[ 250.477648][ T5511] kobject_add_internal+0x662/0xd00
[ 250.482842][ T5511] kobject_init_and_add+0x122/0x190
[ 250.488028][ T5511] ? lockdep_softirqs_off+0x420/0x420
[ 250.493510][ T5511] ? kobject_add+0x210/0x210
[ 250.498096][ T5511] ? __init_swait_queue_head+0xa5/0x150
[ 250.503634][ T5511] gfs2_sys_fs_add+0x234/0x480
[ 250.508392][ T5511] ? gfs2_recover_set+0x240/0x240
[ 250.513401][ T5511] ? snprintf+0xd7/0x120
[ 250.517805][ T5511] ? __free_pages+0x95/0x1a0
[ 250.522525][ T5511] ? vscnprintf+0x80/0x80
[ 250.527251][ T5511] gfs2_fill_super+0x128d/0x1f50
[ 250.532330][ T5511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.537368][ T5511] ? preempt_count_add+0x8d/0x190
[ 250.542406][ T5511] ? sb_set_blocksize+0xa5/0xe0
[ 250.547251][ T5511] get_tree_bdev+0x3f1/0x610
[ 250.551848][ T5511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.557014][ T5511] gfs2_get_tree+0x4d/0x1e0
[ 250.561531][ T5511] vfs_get_tree+0x88/0x270
[ 250.565954][ T5511] do_new_mount+0x24a/0xa40
[ 250.570450][ T5511] __se_sys_mount+0x2d6/0x3c0
[ 250.575219][ T5511] ? __x64_sys_mount+0xc0/0xc0
[ 250.580049][ T5511] ? lockdep_hardirqs_on+0x94/0x140
[ 250.585233][ T5511] ? __x64_sys_mount+0x1c/0xc0
[ 250.590084][ T5511] do_syscall_64+0x4c/0xa0
[ 250.594661][ T5511] ? clear_bhb_loop+0x30/0x80
[ 250.599488][ T5511] ? clear_bhb_loop+0x30/0x80
[ 250.604190][ T5511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.610076][ T5511] RIP: 0033:0x7fc8cefd138a
[ 250.614478][ T5511] 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
[ 250.634250][ T5511] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.642685][ T5511] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 250.650794][ T5511] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 250.658853][ T5511] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 250.666815][ T5511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.674871][ T5511] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.682857][ T5511]
[ 250.688756][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.702191][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.024483][ T5513] loop1: detected capacity change from 0 to 32768
[ 251.078282][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.085790][ T5513] CPU: 1 PID: 5513 Comm: syz.1.213 Not tainted syzkaller #0
[ 251.093094][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 251.103266][ T5513] Call Trace:
[ 251.106566][ T5513]
[ 251.109682][ T5513] dump_stack_lvl+0x168/0x230
[ 251.114383][ T5513] ? show_regs_print_info+0x20/0x20
[ 251.119705][ T5513] ? load_image+0x3b0/0x3b0
[ 251.124263][ T5513] sysfs_create_dir_ns+0x252/0x280
[ 251.129414][ T5513] ? __lock_acquire+0x7c60/0x7c60
[ 251.134453][ T5513] ? sysfs_warn_dup+0xa0/0xa0
[ 251.139152][ T5513] ? do_raw_spin_unlock+0x11d/0x230
[ 251.144375][ T5513] kobject_add_internal+0x662/0xd00
[ 251.149615][ T5513] kobject_init_and_add+0x122/0x190
[ 251.154974][ T5513] ? lockdep_softirqs_off+0x420/0x420
[ 251.160378][ T5513] ? kobject_add+0x210/0x210
[ 251.165151][ T5513] ? __init_swait_queue_head+0xa5/0x150
[ 251.170679][ T5513] gfs2_sys_fs_add+0x234/0x480
[ 251.175480][ T5513] ? gfs2_recover_set+0x240/0x240
[ 251.180498][ T5513] ? snprintf+0xd7/0x120
[ 251.184746][ T5513] ? __free_pages+0x95/0x1a0
[ 251.189334][ T5513] ? vscnprintf+0x80/0x80
[ 251.193675][ T5513] gfs2_fill_super+0x128d/0x1f50
[ 251.198811][ T5513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.203949][ T5513] ? preempt_count_add+0x8d/0x190
[ 251.208997][ T5513] ? sb_set_blocksize+0xa5/0xe0
[ 251.213851][ T5513] get_tree_bdev+0x3f1/0x610
[ 251.218438][ T5513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.223625][ T5513] gfs2_get_tree+0x4d/0x1e0
[ 251.228457][ T5513] vfs_get_tree+0x88/0x270
[ 251.232891][ T5513] do_new_mount+0x24a/0xa40
[ 251.237506][ T5513] __se_sys_mount+0x2d6/0x3c0
[ 251.242209][ T5513] ? __x64_sys_mount+0xc0/0xc0
[ 251.246964][ T5513] ? lockdep_hardirqs_on+0x94/0x140
[ 251.252179][ T5513] ? __x64_sys_mount+0x1c/0xc0
[ 251.257088][ T5513] do_syscall_64+0x4c/0xa0
[ 251.261497][ T5513] ? clear_bhb_loop+0x30/0x80
[ 251.266174][ T5513] ? clear_bhb_loop+0x30/0x80
[ 251.270871][ T5513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.276750][ T5513] RIP: 0033:0x7fc8cefd138a
[ 251.281152][ T5513] 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
[ 251.300773][ T5513] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.309270][ T5513] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 251.317341][ T5513] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 251.325683][ T5513] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 251.333760][ T5513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.341753][ T5513] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.349817][ T5513]
[ 251.354336][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.367778][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.701464][ T5515] loop1: detected capacity change from 0 to 32768
[ 251.720712][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.728314][ T5515] CPU: 1 PID: 5515 Comm: syz.1.214 Not tainted syzkaller #0
[ 251.735885][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 251.746058][ T5515] Call Trace:
[ 251.749351][ T5515]
[ 251.752291][ T5515] dump_stack_lvl+0x168/0x230
[ 251.756990][ T5515] ? show_regs_print_info+0x20/0x20
[ 251.762207][ T5515] ? load_image+0x3b0/0x3b0
[ 251.766744][ T5515] sysfs_create_dir_ns+0x252/0x280
[ 251.771887][ T5515] ? __lock_acquire+0x7c60/0x7c60
[ 251.776939][ T5515] ? sysfs_warn_dup+0xa0/0xa0
[ 251.781646][ T5515] ? do_raw_spin_unlock+0x11d/0x230
[ 251.786953][ T5515] kobject_add_internal+0x662/0xd00
[ 251.792362][ T5515] kobject_init_and_add+0x122/0x190
[ 251.797670][ T5515] ? lockdep_softirqs_off+0x420/0x420
[ 251.803133][ T5515] ? kobject_add+0x210/0x210
[ 251.807716][ T5515] ? __init_swait_queue_head+0xa5/0x150
[ 251.813278][ T5515] gfs2_sys_fs_add+0x234/0x480
[ 251.818089][ T5515] ? gfs2_recover_set+0x240/0x240
[ 251.823264][ T5515] ? snprintf+0xd7/0x120
[ 251.827517][ T5515] ? __free_pages+0x95/0x1a0
[ 251.832120][ T5515] ? vscnprintf+0x80/0x80
[ 251.836473][ T5515] gfs2_fill_super+0x128d/0x1f50
[ 251.841417][ T5515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.846700][ T5515] ? preempt_count_add+0x8d/0x190
[ 251.851733][ T5515] ? sb_set_blocksize+0xa5/0xe0
[ 251.856573][ T5515] get_tree_bdev+0x3f1/0x610
[ 251.861152][ T5515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.866256][ T5515] gfs2_get_tree+0x4d/0x1e0
[ 251.870752][ T5515] vfs_get_tree+0x88/0x270
[ 251.875177][ T5515] do_new_mount+0x24a/0xa40
[ 251.879668][ T5515] __se_sys_mount+0x2d6/0x3c0
[ 251.884341][ T5515] ? __x64_sys_mount+0xc0/0xc0
[ 251.889191][ T5515] ? lockdep_hardirqs_on+0x94/0x140
[ 251.894395][ T5515] ? __x64_sys_mount+0x1c/0xc0
[ 251.899235][ T5515] do_syscall_64+0x4c/0xa0
[ 251.903650][ T5515] ? clear_bhb_loop+0x30/0x80
[ 251.908309][ T5515] ? clear_bhb_loop+0x30/0x80
[ 251.912979][ T5515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.918859][ T5515] RIP: 0033:0x7fc8cefd138a
[ 251.923330][ T5515] 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
[ 251.943342][ T5515] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.951754][ T5515] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 251.959717][ T5515] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 251.967674][ T5515] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 251.975641][ T5515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.983598][ T5515] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.991582][ T5515]
[ 251.996378][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.009792][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.356264][ T5517] loop1: detected capacity change from 0 to 32768
[ 252.410470][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.418100][ T5517] CPU: 0 PID: 5517 Comm: syz.1.215 Not tainted syzkaller #0
[ 252.425405][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 252.435477][ T5517] Call Trace:
[ 252.438790][ T5517]
[ 252.441744][ T5517] dump_stack_lvl+0x168/0x230
[ 252.446567][ T5517] ? show_regs_print_info+0x20/0x20
[ 252.451793][ T5517] ? load_image+0x3b0/0x3b0
[ 252.456315][ T5517] sysfs_create_dir_ns+0x252/0x280
[ 252.461441][ T5517] ? __lock_acquire+0x7c60/0x7c60
[ 252.466484][ T5517] ? sysfs_warn_dup+0xa0/0xa0
[ 252.471174][ T5517] ? do_raw_spin_unlock+0x11d/0x230
[ 252.476375][ T5517] kobject_add_internal+0x662/0xd00
[ 252.481603][ T5517] kobject_init_and_add+0x122/0x190
[ 252.486818][ T5517] ? lockdep_softirqs_off+0x420/0x420
[ 252.492205][ T5517] ? kobject_add+0x210/0x210
[ 252.496815][ T5517] ? __init_swait_queue_head+0xa5/0x150
[ 252.502489][ T5517] gfs2_sys_fs_add+0x234/0x480
[ 252.507287][ T5517] ? gfs2_recover_set+0x240/0x240
[ 252.512333][ T5517] ? snprintf+0xd7/0x120
[ 252.516587][ T5517] ? __free_pages+0x95/0x1a0
[ 252.521162][ T5517] ? vscnprintf+0x80/0x80
[ 252.525491][ T5517] gfs2_fill_super+0x128d/0x1f50
[ 252.530432][ T5517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.535477][ T5517] ? preempt_count_add+0x8d/0x190
[ 252.540604][ T5517] ? sb_set_blocksize+0xa5/0xe0
[ 252.545553][ T5517] get_tree_bdev+0x3f1/0x610
[ 252.550166][ T5517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.555296][ T5517] gfs2_get_tree+0x4d/0x1e0
[ 252.559886][ T5517] vfs_get_tree+0x88/0x270
[ 252.564407][ T5517] do_new_mount+0x24a/0xa40
[ 252.568928][ T5517] __se_sys_mount+0x2d6/0x3c0
[ 252.573601][ T5517] ? __x64_sys_mount+0xc0/0xc0
[ 252.578365][ T5517] ? lockdep_hardirqs_on+0x94/0x140
[ 252.583585][ T5517] ? __x64_sys_mount+0x1c/0xc0
[ 252.588381][ T5517] do_syscall_64+0x4c/0xa0
[ 252.592789][ T5517] ? clear_bhb_loop+0x30/0x80
[ 252.597553][ T5517] ? clear_bhb_loop+0x30/0x80
[ 252.602334][ T5517] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.608231][ T5517] RIP: 0033:0x7fc8cefd138a
[ 252.612767][ T5517] 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
[ 252.632457][ T5517] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.640887][ T5517] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 252.649380][ T5517] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 252.657449][ T5517] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 252.665462][ T5517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.673541][ T5517] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.681523][ T5517]
[ 252.685584][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.698777][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.053635][ T5519] loop1: detected capacity change from 0 to 32768
[ 253.116028][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.123571][ T5519] CPU: 1 PID: 5519 Comm: syz.1.216 Not tainted syzkaller #0
[ 253.130950][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 253.141105][ T5519] Call Trace:
[ 253.144404][ T5519]
[ 253.147357][ T5519] dump_stack_lvl+0x168/0x230
[ 253.152075][ T5519] ? show_regs_print_info+0x20/0x20
[ 253.157290][ T5519] ? load_image+0x3b0/0x3b0
[ 253.161816][ T5519] sysfs_create_dir_ns+0x252/0x280
[ 253.166944][ T5519] ? __lock_acquire+0x7c60/0x7c60
[ 253.171986][ T5519] ? sysfs_warn_dup+0xa0/0xa0
[ 253.176684][ T5519] ? do_raw_spin_unlock+0x11d/0x230
[ 253.181912][ T5519] kobject_add_internal+0x662/0xd00
[ 253.187135][ T5519] kobject_init_and_add+0x122/0x190
[ 253.192349][ T5519] ? lockdep_softirqs_off+0x420/0x420
[ 253.197749][ T5519] ? kobject_add+0x210/0x210
[ 253.202369][ T5519] ? __init_swait_queue_head+0xa5/0x150
[ 253.207932][ T5519] gfs2_sys_fs_add+0x234/0x480
[ 253.212706][ T5519] ? gfs2_recover_set+0x240/0x240
[ 253.217728][ T5519] ? snprintf+0xd7/0x120
[ 253.221947][ T5519] ? __free_pages+0x95/0x1a0
[ 253.226514][ T5519] ? vscnprintf+0x80/0x80
[ 253.230830][ T5519] gfs2_fill_super+0x128d/0x1f50
[ 253.235869][ T5519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.240877][ T5519] ? preempt_count_add+0x8d/0x190
[ 253.245932][ T5519] ? sb_set_blocksize+0xa5/0xe0
[ 253.250789][ T5519] get_tree_bdev+0x3f1/0x610
[ 253.255363][ T5519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.260380][ T5519] gfs2_get_tree+0x4d/0x1e0
[ 253.265001][ T5519] vfs_get_tree+0x88/0x270
[ 253.269410][ T5519] do_new_mount+0x24a/0xa40
[ 253.274232][ T5519] __se_sys_mount+0x2d6/0x3c0
[ 253.279013][ T5519] ? __x64_sys_mount+0xc0/0xc0
[ 253.283797][ T5519] ? lockdep_hardirqs_on+0x94/0x140
[ 253.289021][ T5519] ? __x64_sys_mount+0x1c/0xc0
[ 253.293819][ T5519] do_syscall_64+0x4c/0xa0
[ 253.298247][ T5519] ? clear_bhb_loop+0x30/0x80
[ 253.302936][ T5519] ? clear_bhb_loop+0x30/0x80
[ 253.307722][ T5519] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.313628][ T5519] RIP: 0033:0x7fc8cefd138a
[ 253.318038][ T5519] 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
[ 253.337749][ T5519] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.346823][ T5519] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 253.354881][ T5519] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 253.362881][ T5519] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 253.370876][ T5519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.378847][ T5519] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.386897][ T5519]
[ 253.391376][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.404883][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.752663][ T5521] loop1: detected capacity change from 0 to 32768
[ 253.810207][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.817801][ T5521] CPU: 0 PID: 5521 Comm: syz.1.217 Not tainted syzkaller #0
[ 253.825106][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 253.835365][ T5521] Call Trace:
[ 253.838832][ T5521]
[ 253.841768][ T5521] dump_stack_lvl+0x168/0x230
[ 253.846477][ T5521] ? show_regs_print_info+0x20/0x20
[ 253.851688][ T5521] ? load_image+0x3b0/0x3b0
[ 253.856318][ T5521] sysfs_create_dir_ns+0x252/0x280
[ 253.861456][ T5521] ? __lock_acquire+0x7c60/0x7c60
[ 253.866503][ T5521] ? sysfs_warn_dup+0xa0/0xa0
[ 253.871203][ T5521] ? do_raw_spin_unlock+0x11d/0x230
[ 253.876416][ T5521] kobject_add_internal+0x662/0xd00
[ 253.881643][ T5521] kobject_init_and_add+0x122/0x190
[ 253.886866][ T5521] ? lockdep_softirqs_off+0x420/0x420
[ 253.892251][ T5521] ? kobject_add+0x210/0x210
[ 253.896908][ T5521] ? __init_swait_queue_head+0xa5/0x150
[ 253.902559][ T5521] gfs2_sys_fs_add+0x234/0x480
[ 253.907447][ T5521] ? gfs2_recover_set+0x240/0x240
[ 253.912535][ T5521] ? snprintf+0xd7/0x120
[ 253.916860][ T5521] ? __free_pages+0x95/0x1a0
[ 253.921576][ T5521] ? vscnprintf+0x80/0x80
[ 253.925908][ T5521] gfs2_fill_super+0x128d/0x1f50
[ 253.930940][ T5521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.935955][ T5521] ? preempt_count_add+0x8d/0x190
[ 253.940971][ T5521] ? sb_set_blocksize+0xa5/0xe0
[ 253.945810][ T5521] get_tree_bdev+0x3f1/0x610
[ 253.950408][ T5521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.955452][ T5521] gfs2_get_tree+0x4d/0x1e0
[ 253.959941][ T5521] vfs_get_tree+0x88/0x270
[ 253.964434][ T5521] do_new_mount+0x24a/0xa40
[ 253.969082][ T5521] __se_sys_mount+0x2d6/0x3c0
[ 253.973758][ T5521] ? __x64_sys_mount+0xc0/0xc0
[ 253.978520][ T5521] ? lockdep_hardirqs_on+0x94/0x140
[ 253.983736][ T5521] ? __x64_sys_mount+0x1c/0xc0
[ 253.988493][ T5521] do_syscall_64+0x4c/0xa0
[ 253.992911][ T5521] ? clear_bhb_loop+0x30/0x80
[ 253.997572][ T5521] ? clear_bhb_loop+0x30/0x80
[ 254.002349][ T5521] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.008433][ T5521] RIP: 0033:0x7fc8cefd138a
[ 254.012843][ T5521] 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
[ 254.032885][ T5521] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.041388][ T5521] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 254.049503][ T5521] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 254.057695][ T5521] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 254.065685][ T5521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.073667][ T5521] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.081830][ T5521]
[ 254.086198][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.099661][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 08:03:50 executed programs: 203
[ 254.412437][ T5523] loop1: detected capacity change from 0 to 32768
[ 254.511092][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.519398][ T5523] CPU: 0 PID: 5523 Comm: syz.1.218 Not tainted syzkaller #0
[ 254.526802][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 254.536978][ T5523] Call Trace:
[ 254.540618][ T5523]
[ 254.543570][ T5523] dump_stack_lvl+0x168/0x230
[ 254.548804][ T5523] ? show_regs_print_info+0x20/0x20
[ 254.554042][ T5523] ? load_image+0x3b0/0x3b0
[ 254.558583][ T5523] sysfs_create_dir_ns+0x252/0x280
[ 254.563892][ T5523] ? __lock_acquire+0x7c60/0x7c60
[ 254.568941][ T5523] ? sysfs_warn_dup+0xa0/0xa0
[ 254.573639][ T5523] ? do_raw_spin_unlock+0x11d/0x230
[ 254.578837][ T5523] kobject_add_internal+0x662/0xd00
[ 254.584131][ T5523] kobject_init_and_add+0x122/0x190
[ 254.589367][ T5523] ? lockdep_softirqs_off+0x420/0x420
[ 254.594738][ T5523] ? kobject_add+0x210/0x210
[ 254.599410][ T5523] ? __init_swait_queue_head+0xa5/0x150
[ 254.605037][ T5523] gfs2_sys_fs_add+0x234/0x480
[ 254.609791][ T5523] ? gfs2_recover_set+0x240/0x240
[ 254.614821][ T5523] ? snprintf+0xd7/0x120
[ 254.619396][ T5523] ? __free_pages+0x95/0x1a0
[ 254.623990][ T5523] ? vscnprintf+0x80/0x80
[ 254.628325][ T5523] gfs2_fill_super+0x128d/0x1f50
[ 254.633290][ T5523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.638324][ T5523] ? preempt_count_add+0x8d/0x190
[ 254.643339][ T5523] ? sb_set_blocksize+0xa5/0xe0
[ 254.648365][ T5523] get_tree_bdev+0x3f1/0x610
[ 254.652963][ T5523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.658000][ T5523] gfs2_get_tree+0x4d/0x1e0
[ 254.662491][ T5523] vfs_get_tree+0x88/0x270
[ 254.667070][ T5523] do_new_mount+0x24a/0xa40
[ 254.671563][ T5523] __se_sys_mount+0x2d6/0x3c0
[ 254.676233][ T5523] ? __x64_sys_mount+0xc0/0xc0
[ 254.681002][ T5523] ? lockdep_hardirqs_on+0x94/0x140
[ 254.686372][ T5523] ? __x64_sys_mount+0x1c/0xc0
[ 254.691285][ T5523] do_syscall_64+0x4c/0xa0
[ 254.695729][ T5523] ? clear_bhb_loop+0x30/0x80
[ 254.700390][ T5523] ? clear_bhb_loop+0x30/0x80
[ 254.705069][ T5523] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.710965][ T5523] RIP: 0033:0x7fc8cefd138a
[ 254.715381][ T5523] 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
[ 254.735223][ T5523] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.743817][ T5523] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 254.751792][ T5523] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 254.759843][ T5523] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 254.767986][ T5523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.776082][ T5523] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.784065][ T5523]
[ 254.788760][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.801947][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.130234][ T5525] loop1: detected capacity change from 0 to 32768
[ 255.176093][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.184171][ T5525] CPU: 1 PID: 5525 Comm: syz.1.219 Not tainted syzkaller #0
[ 255.191491][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 255.201569][ T5525] Call Trace:
[ 255.204871][ T5525]
[ 255.207803][ T5525] dump_stack_lvl+0x168/0x230
[ 255.212495][ T5525] ? show_regs_print_info+0x20/0x20
[ 255.217889][ T5525] ? load_image+0x3b0/0x3b0
[ 255.222429][ T5525] sysfs_create_dir_ns+0x252/0x280
[ 255.227564][ T5525] ? __lock_acquire+0x7c60/0x7c60
[ 255.232602][ T5525] ? sysfs_warn_dup+0xa0/0xa0
[ 255.237380][ T5525] ? do_raw_spin_unlock+0x11d/0x230
[ 255.242589][ T5525] kobject_add_internal+0x662/0xd00
[ 255.247986][ T5525] kobject_init_and_add+0x122/0x190
[ 255.253197][ T5525] ? lockdep_softirqs_off+0x420/0x420
[ 255.258596][ T5525] ? kobject_add+0x210/0x210
[ 255.263312][ T5525] ? __init_swait_queue_head+0xa5/0x150
[ 255.268864][ T5525] gfs2_sys_fs_add+0x234/0x480
[ 255.273659][ T5525] ? gfs2_recover_set+0x240/0x240
[ 255.278694][ T5525] ? snprintf+0xd7/0x120
[ 255.283126][ T5525] ? __free_pages+0x95/0x1a0
[ 255.287714][ T5525] ? vscnprintf+0x80/0x80
[ 255.292050][ T5525] gfs2_fill_super+0x128d/0x1f50
[ 255.296980][ T5525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.302020][ T5525] ? preempt_count_add+0x8d/0x190
[ 255.307049][ T5525] ? sb_set_blocksize+0xa5/0xe0
[ 255.311904][ T5525] get_tree_bdev+0x3f1/0x610
[ 255.316602][ T5525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.321801][ T5525] gfs2_get_tree+0x4d/0x1e0
[ 255.326405][ T5525] vfs_get_tree+0x88/0x270
[ 255.330829][ T5525] do_new_mount+0x24a/0xa40
[ 255.335338][ T5525] __se_sys_mount+0x2d6/0x3c0
[ 255.340016][ T5525] ? __x64_sys_mount+0xc0/0xc0
[ 255.344794][ T5525] ? lockdep_hardirqs_on+0x94/0x140
[ 255.349991][ T5525] ? __x64_sys_mount+0x1c/0xc0
[ 255.354744][ T5525] do_syscall_64+0x4c/0xa0
[ 255.359147][ T5525] ? clear_bhb_loop+0x30/0x80
[ 255.363802][ T5525] ? clear_bhb_loop+0x30/0x80
[ 255.368461][ T5525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.374350][ T5525] RIP: 0033:0x7fc8cefd138a
[ 255.378752][ T5525] 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
[ 255.398369][ T5525] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.406801][ T5525] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 255.414786][ T5525] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 255.422776][ T5525] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 255.430743][ T5525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.438799][ T5525] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.446813][ T5525]
[ 255.451261][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.464479][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.739007][ T1426] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.745364][ T1426] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.798183][ T5527] loop1: detected capacity change from 0 to 32768
[ 255.881454][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.889032][ T5527] CPU: 1 PID: 5527 Comm: syz.1.220 Not tainted syzkaller #0
[ 255.896411][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 255.906485][ T5527] Call Trace:
[ 255.909791][ T5527]
[ 255.912741][ T5527] dump_stack_lvl+0x168/0x230
[ 255.917452][ T5527] ? show_regs_print_info+0x20/0x20
[ 255.922704][ T5527] ? load_image+0x3b0/0x3b0
[ 255.927269][ T5527] sysfs_create_dir_ns+0x252/0x280
[ 255.932403][ T5527] ? __lock_acquire+0x7c60/0x7c60
[ 255.937532][ T5527] ? sysfs_warn_dup+0xa0/0xa0
[ 255.942411][ T5527] ? do_raw_spin_unlock+0x11d/0x230
[ 255.947610][ T5527] kobject_add_internal+0x662/0xd00
[ 255.952820][ T5527] kobject_init_and_add+0x122/0x190
[ 255.958022][ T5527] ? lockdep_softirqs_off+0x420/0x420
[ 255.963545][ T5527] ? kobject_add+0x210/0x210
[ 255.968333][ T5527] ? __init_swait_queue_head+0xa5/0x150
[ 255.973887][ T5527] gfs2_sys_fs_add+0x234/0x480
[ 255.978645][ T5527] ? gfs2_recover_set+0x240/0x240
[ 255.984094][ T5527] ? snprintf+0xd7/0x120
[ 255.988344][ T5527] ? __free_pages+0x95/0x1a0
[ 255.992918][ T5527] ? vscnprintf+0x80/0x80
[ 255.997325][ T5527] gfs2_fill_super+0x128d/0x1f50
[ 256.002359][ T5527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.007389][ T5527] ? preempt_count_add+0x8d/0x190
[ 256.012487][ T5527] ? sb_set_blocksize+0xa5/0xe0
[ 256.017321][ T5527] get_tree_bdev+0x3f1/0x610
[ 256.021900][ T5527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.026913][ T5527] gfs2_get_tree+0x4d/0x1e0
[ 256.031398][ T5527] vfs_get_tree+0x88/0x270
[ 256.035795][ T5527] do_new_mount+0x24a/0xa40
[ 256.040387][ T5527] __se_sys_mount+0x2d6/0x3c0
[ 256.045075][ T5527] ? __x64_sys_mount+0xc0/0xc0
[ 256.050060][ T5527] ? lockdep_hardirqs_on+0x94/0x140
[ 256.055260][ T5527] ? __x64_sys_mount+0x1c/0xc0
[ 256.060161][ T5527] do_syscall_64+0x4c/0xa0
[ 256.064678][ T5527] ? clear_bhb_loop+0x30/0x80
[ 256.069353][ T5527] ? clear_bhb_loop+0x30/0x80
[ 256.074020][ T5527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.080101][ T5527] RIP: 0033:0x7fc8cefd138a
[ 256.084612][ T5527] 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
[ 256.104414][ T5527] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.112841][ T5527] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 256.120828][ T5527] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 256.128802][ T5527] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 256.136894][ T5527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.145125][ T5527] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.153125][ T5527]
[ 256.157886][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.171716][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.501870][ T5529] loop1: detected capacity change from 0 to 32768
[ 256.602493][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.610087][ T5529] CPU: 0 PID: 5529 Comm: syz.1.221 Not tainted syzkaller #0
[ 256.617383][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 256.627513][ T5529] Call Trace:
[ 256.630898][ T5529]
[ 256.633859][ T5529] dump_stack_lvl+0x168/0x230
[ 256.638646][ T5529] ? show_regs_print_info+0x20/0x20
[ 256.644253][ T5529] ? load_image+0x3b0/0x3b0
[ 256.648886][ T5529] sysfs_create_dir_ns+0x252/0x280
[ 256.653990][ T5529] ? __lock_acquire+0x7c60/0x7c60
[ 256.659031][ T5529] ? sysfs_warn_dup+0xa0/0xa0
[ 256.663704][ T5529] ? do_raw_spin_unlock+0x11d/0x230
[ 256.669041][ T5529] kobject_add_internal+0x662/0xd00
[ 256.674263][ T5529] kobject_init_and_add+0x122/0x190
[ 256.679465][ T5529] ? lockdep_softirqs_off+0x420/0x420
[ 256.684842][ T5529] ? kobject_add+0x210/0x210
[ 256.689442][ T5529] ? __init_swait_queue_head+0xa5/0x150
[ 256.695168][ T5529] gfs2_sys_fs_add+0x234/0x480
[ 256.699938][ T5529] ? gfs2_recover_set+0x240/0x240
[ 256.704966][ T5529] ? snprintf+0xd7/0x120
[ 256.709197][ T5529] ? __free_pages+0x95/0x1a0
[ 256.713796][ T5529] ? vscnprintf+0x80/0x80
[ 256.718403][ T5529] gfs2_fill_super+0x128d/0x1f50
[ 256.723350][ T5529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.728374][ T5529] ? preempt_count_add+0x8d/0x190
[ 256.733514][ T5529] ? sb_set_blocksize+0xa5/0xe0
[ 256.738369][ T5529] get_tree_bdev+0x3f1/0x610
[ 256.742958][ T5529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.747986][ T5529] gfs2_get_tree+0x4d/0x1e0
[ 256.752505][ T5529] vfs_get_tree+0x88/0x270
[ 256.757214][ T5529] do_new_mount+0x24a/0xa40
[ 256.761859][ T5529] __se_sys_mount+0x2d6/0x3c0
[ 256.766794][ T5529] ? __x64_sys_mount+0xc0/0xc0
[ 256.771567][ T5529] ? lockdep_hardirqs_on+0x94/0x140
[ 256.776811][ T5529] ? __x64_sys_mount+0x1c/0xc0
[ 256.781733][ T5529] do_syscall_64+0x4c/0xa0
[ 256.786291][ T5529] ? clear_bhb_loop+0x30/0x80
[ 256.791143][ T5529] ? clear_bhb_loop+0x30/0x80
[ 256.795951][ T5529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.801956][ T5529] RIP: 0033:0x7fc8cefd138a
[ 256.806384][ T5529] 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
[ 256.826669][ T5529] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.835171][ T5529] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 256.843151][ T5529] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 256.851143][ T5529] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 256.859122][ T5529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.867078][ T5529] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.875324][ T5529]
[ 256.879488][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.893015][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.210138][ T5531] loop1: detected capacity change from 0 to 32768
[ 257.257069][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.266089][ T5531] CPU: 0 PID: 5531 Comm: syz.1.222 Not tainted syzkaller #0
[ 257.273427][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.283589][ T5531] Call Trace:
[ 257.286879][ T5531]
[ 257.289813][ T5531] dump_stack_lvl+0x168/0x230
[ 257.294514][ T5531] ? show_regs_print_info+0x20/0x20
[ 257.299733][ T5531] ? load_image+0x3b0/0x3b0
[ 257.304266][ T5531] sysfs_create_dir_ns+0x252/0x280
[ 257.309401][ T5531] ? __lock_acquire+0x7c60/0x7c60
[ 257.314447][ T5531] ? sysfs_warn_dup+0xa0/0xa0
[ 257.319320][ T5531] ? do_raw_spin_unlock+0x11d/0x230
[ 257.324579][ T5531] kobject_add_internal+0x662/0xd00
[ 257.329933][ T5531] kobject_init_and_add+0x122/0x190
[ 257.335293][ T5531] ? lockdep_softirqs_off+0x420/0x420
[ 257.340708][ T5531] ? kobject_add+0x210/0x210
[ 257.345298][ T5531] ? __init_swait_queue_head+0xa5/0x150
[ 257.350841][ T5531] gfs2_sys_fs_add+0x234/0x480
[ 257.355597][ T5531] ? gfs2_recover_set+0x240/0x240
[ 257.360608][ T5531] ? snprintf+0xd7/0x120
[ 257.364840][ T5531] ? __free_pages+0x95/0x1a0
[ 257.369544][ T5531] ? vscnprintf+0x80/0x80
[ 257.373889][ T5531] gfs2_fill_super+0x128d/0x1f50
[ 257.378830][ T5531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.383849][ T5531] ? preempt_count_add+0x8d/0x190
[ 257.388872][ T5531] ? sb_set_blocksize+0xa5/0xe0
[ 257.393716][ T5531] get_tree_bdev+0x3f1/0x610
[ 257.398302][ T5531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.403321][ T5531] gfs2_get_tree+0x4d/0x1e0
[ 257.407824][ T5531] vfs_get_tree+0x88/0x270
[ 257.412244][ T5531] do_new_mount+0x24a/0xa40
[ 257.416780][ T5531] __se_sys_mount+0x2d6/0x3c0
[ 257.421460][ T5531] ? __x64_sys_mount+0xc0/0xc0
[ 257.426226][ T5531] ? lockdep_hardirqs_on+0x94/0x140
[ 257.431430][ T5531] ? __x64_sys_mount+0x1c/0xc0
[ 257.436189][ T5531] do_syscall_64+0x4c/0xa0
[ 257.440594][ T5531] ? clear_bhb_loop+0x30/0x80
[ 257.445259][ T5531] ? clear_bhb_loop+0x30/0x80
[ 257.449947][ T5531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.455838][ T5531] RIP: 0033:0x7fc8cefd138a
[ 257.460255][ T5531] 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
[ 257.480124][ T5531] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.488544][ T5531] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 257.496507][ T5531] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 257.504839][ T5531] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 257.512812][ T5531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.520794][ T5531] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.528869][ T5531]
[ 257.537819][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.551646][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.860975][ T5533] loop1: detected capacity change from 0 to 32768
[ 257.921388][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.928994][ T5533] CPU: 0 PID: 5533 Comm: syz.1.223 Not tainted syzkaller #0
[ 257.936295][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.946367][ T5533] Call Trace:
[ 257.949662][ T5533]
[ 257.952606][ T5533] dump_stack_lvl+0x168/0x230
[ 257.957313][ T5533] ? show_regs_print_info+0x20/0x20
[ 257.962525][ T5533] ? load_image+0x3b0/0x3b0
[ 257.967055][ T5533] sysfs_create_dir_ns+0x252/0x280
[ 257.972185][ T5533] ? __lock_acquire+0x7c60/0x7c60
[ 257.977223][ T5533] ? sysfs_warn_dup+0xa0/0xa0
[ 257.981924][ T5533] ? do_raw_spin_unlock+0x11d/0x230
[ 257.987139][ T5533] kobject_add_internal+0x662/0xd00
[ 257.992359][ T5533] kobject_init_and_add+0x122/0x190
[ 257.997579][ T5533] ? lockdep_softirqs_off+0x420/0x420
[ 258.003063][ T5533] ? kobject_add+0x210/0x210
[ 258.007674][ T5533] ? __init_swait_queue_head+0xa5/0x150
[ 258.013219][ T5533] gfs2_sys_fs_add+0x234/0x480
[ 258.017976][ T5533] ? gfs2_recover_set+0x240/0x240
[ 258.022984][ T5533] ? snprintf+0xd7/0x120
[ 258.027208][ T5533] ? __free_pages+0x95/0x1a0
[ 258.031803][ T5533] ? vscnprintf+0x80/0x80
[ 258.036292][ T5533] gfs2_fill_super+0x128d/0x1f50
[ 258.041226][ T5533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.046242][ T5533] ? preempt_count_add+0x8d/0x190
[ 258.051294][ T5533] ? sb_set_blocksize+0xa5/0xe0
[ 258.056136][ T5533] get_tree_bdev+0x3f1/0x610
[ 258.060720][ T5533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.065911][ T5533] gfs2_get_tree+0x4d/0x1e0
[ 258.070398][ T5533] vfs_get_tree+0x88/0x270
[ 258.074793][ T5533] do_new_mount+0x24a/0xa40
[ 258.079280][ T5533] __se_sys_mount+0x2d6/0x3c0
[ 258.083969][ T5533] ? __x64_sys_mount+0xc0/0xc0
[ 258.088721][ T5533] ? lockdep_hardirqs_on+0x94/0x140
[ 258.094022][ T5533] ? __x64_sys_mount+0x1c/0xc0
[ 258.098817][ T5533] do_syscall_64+0x4c/0xa0
[ 258.103222][ T5533] ? clear_bhb_loop+0x30/0x80
[ 258.107895][ T5533] ? clear_bhb_loop+0x30/0x80
[ 258.112573][ T5533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.118459][ T5533] RIP: 0033:0x7fc8cefd138a
[ 258.122962][ T5533] 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
[ 258.142856][ T5533] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.151272][ T5533] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 258.159234][ T5533] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 258.167224][ T5533] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 258.175188][ T5533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.183148][ T5533] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.191137][ T5533]
[ 258.195218][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.208480][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.531158][ T5535] loop1: detected capacity change from 0 to 32768
[ 258.595590][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.603207][ T5535] CPU: 0 PID: 5535 Comm: syz.1.224 Not tainted syzkaller #0
[ 258.610516][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 258.620696][ T5535] Call Trace:
[ 258.623998][ T5535]
[ 258.627026][ T5535] dump_stack_lvl+0x168/0x230
[ 258.631743][ T5535] ? show_regs_print_info+0x20/0x20
[ 258.636970][ T5535] ? load_image+0x3b0/0x3b0
[ 258.641516][ T5535] sysfs_create_dir_ns+0x252/0x280
[ 258.646655][ T5535] ? __lock_acquire+0x7c60/0x7c60
[ 258.651704][ T5535] ? sysfs_warn_dup+0xa0/0xa0
[ 258.656399][ T5535] ? do_raw_spin_unlock+0x11d/0x230
[ 258.661611][ T5535] kobject_add_internal+0x662/0xd00
[ 258.666836][ T5535] kobject_init_and_add+0x122/0x190
[ 258.672052][ T5535] ? lockdep_softirqs_off+0x420/0x420
[ 258.677548][ T5535] ? kobject_add+0x210/0x210
[ 258.682213][ T5535] ? __init_swait_queue_head+0xa5/0x150
[ 258.687779][ T5535] gfs2_sys_fs_add+0x234/0x480
[ 258.692541][ T5535] ? gfs2_recover_set+0x240/0x240
[ 258.697554][ T5535] ? snprintf+0xd7/0x120
[ 258.701779][ T5535] ? __free_pages+0x95/0x1a0
[ 258.706384][ T5535] ? vscnprintf+0x80/0x80
[ 258.710895][ T5535] gfs2_fill_super+0x128d/0x1f50
[ 258.715912][ T5535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.720931][ T5535] ? preempt_count_add+0x8d/0x190
[ 258.725951][ T5535] ? sb_set_blocksize+0xa5/0xe0
[ 258.730806][ T5535] get_tree_bdev+0x3f1/0x610
[ 258.735391][ T5535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.740409][ T5535] gfs2_get_tree+0x4d/0x1e0
[ 258.744895][ T5535] vfs_get_tree+0x88/0x270
[ 258.749298][ T5535] do_new_mount+0x24a/0xa40
[ 258.753878][ T5535] __se_sys_mount+0x2d6/0x3c0
[ 258.758625][ T5535] ? __x64_sys_mount+0xc0/0xc0
[ 258.763513][ T5535] ? lockdep_hardirqs_on+0x94/0x140
[ 258.768729][ T5535] ? __x64_sys_mount+0x1c/0xc0
[ 258.773492][ T5535] do_syscall_64+0x4c/0xa0
[ 258.777897][ T5535] ? clear_bhb_loop+0x30/0x80
[ 258.782577][ T5535] ? clear_bhb_loop+0x30/0x80
[ 258.787243][ T5535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.793121][ T5535] RIP: 0033:0x7fc8cefd138a
[ 258.797521][ T5535] 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
[ 258.817205][ T5535] RSP: 002b:00007fc8ce63ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.825636][ T5535] RAX: ffffffffffffffda RBX: 00007fc8ce63eef0 RCX: 00007fc8cefd138a
[ 258.833606][ T5535] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc8ce63eeb0
[ 258.841570][ T5535] RBP: 0000200000000400 R08: 00007fc8ce63eef0 R09: 0000000000000000
[ 258.849529][ T5535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.857576][ T5535] R13: 00007fc8ce63eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.865647][ T5535]
[ 258.873319][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.887099][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.937538][ T27] INFO: task syz.0.17:5087 blocked for more than 143 seconds.
[ 258.945348][ T27] Not tainted syzkaller #0
[ 258.951360][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 258.960507][ T27] task:syz.0.17 state:D stack:24208 pid: 5087 ppid: 4849 flags:0x00004004
[ 258.970194][ T27] Call Trace:
[ 258.973515][ T27]
[ 258.976443][ T27] __schedule+0x11bb/0x4390
[ 258.981495][ T27] ? mark_lock+0x94/0x320
[ 258.985876][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 258.991994][ T27] ? lock_chain_count+0x20/0x20
[ 258.996863][ T27] ? release_firmware_map_entry+0x190/0x190
[ 259.002931][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 259.008396][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 259.014318][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.019757][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 259.025745][ T27] schedule+0x11b/0x1e0
[ 259.030112][ T27] bit_wait+0xd/0xc0
[ 259.034319][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 259.039911][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 259.046077][ T27] ? __wait_on_bit+0x170/0x170
[ 259.051536][ T27] ? bit_waitqueue+0x30/0x30
[ 259.056155][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 259.060928][ T27] gfs2_statfs_init+0xf9/0x490
[ 259.065807][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 259.070810][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 259.076191][ T27] ? init_per_node+0x2be/0x3d0
[ 259.081400][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 259.086373][ T27] ? init_inodes+0x26a/0x320
[ 259.091448][ T27] gfs2_fill_super+0x1749/0x1f50
[ 259.096419][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.101605][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 259.106647][ T27] ? preempt_count_add+0x8d/0x190
[ 259.111784][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 259.116654][ T27] get_tree_bdev+0x3f1/0x610
[ 259.121377][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.126580][ T27] gfs2_get_tree+0x4d/0x1e0
[ 259.131334][ T27] vfs_get_tree+0x88/0x270
[ 259.136012][ T27] do_new_mount+0x24a/0xa40
[ 259.140617][ T27] __se_sys_mount+0x2d6/0x3c0
[ 259.145327][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 259.150147][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.155435][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 259.160296][ T27] do_syscall_64+0x4c/0xa0
[ 259.164731][ T27] ? clear_bhb_loop+0x30/0x80
[ 259.169497][ T27] ? clear_bhb_loop+0x30/0x80
[ 259.174201][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.180376][ T27] RIP: 0033:0x7f71c5c5d38a
[ 259.184808][ T27] RSP: 002b:00007f71c52cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.193829][ T27] RAX: ffffffffffffffda RBX: 00007f71c52caef0 RCX: 00007f71c5c5d38a
[ 259.202398][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f71c52caeb0
[ 259.210543][ T27] RBP: 0000200000000400 R08: 00007f71c52caef0 R09: 0000000000000000
[ 259.218765][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.226825][ T27] R13: 00007f71c52caeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.234929][ T27]
[ 259.238290][ T27]
[ 259.238290][ T27] Showing all locks held in the system:
[ 259.246108][ T27] 1 lock held by khungtaskd/27:
[ 259.251386][ T27] #0: ffffffff8c11c660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 259.263282][ T27] 2 locks held by getty/3947:
[ 259.268447][ T27] #0: ffff88802c0cd098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 259.280836][ T27] #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 259.291547][ T27] 2 locks held by kworker/1:15/5052:
[ 259.296857][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[ 259.310865][ T27] #1: ffffc900032ffd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[ 259.323822][ T27] 1 lock held by syz.0.17/5087:
[ 259.331337][ T27] #0: ffff88807554c0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 259.348590][ T27]
[ 259.351129][ T27] =============================================
[ 259.351129][ T27]
[ 259.362831][ T27] NMI backtrace for cpu 0
[ 259.367190][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 259.374393][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 259.384557][ T27] Call Trace:
[ 259.387870][ T27]
[ 259.390925][ T27] dump_stack_lvl+0x168/0x230
[ 259.395637][ T27] ? show_regs_print_info+0x20/0x20
[ 259.400857][ T27] ? load_image+0x3b0/0x3b0
[ 259.405387][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 259.410780][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 259.415916][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 259.420878][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 259.427048][ T27] ? _printk+0xcc/0x110
[ 259.431223][ T27] ? load_image+0x3b0/0x3b0
2025/09/12 08:03:55 executed programs: 210
[ 259.435750][ T27] ? load_image+0x3b0/0x3b0
[ 259.440297][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 259.446391][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 259.452397][ T27] watchdog+0xe0f/0xe50
[ 259.456581][ T27] kthread+0x436/0x520
[ 259.460687][ T27] ? hungtask_pm_notify+0x40/0x40
[ 259.465724][ T27] ? kthread_blkcg+0xd0/0xd0
[ 259.470330][ T27] ret_from_fork+0x1f/0x30
[ 259.474858][ T27]
[ 259.478338][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 259.483591][ C1] NMI backtrace for cpu 1
[ 259.483605][ C1] CPU: 1 PID: 5537 Comm: syz.1.225 Not tainted syzkaller #0
[ 259.483621][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 259.483630][ C1] RIP: 0033:0x7fc8cee91c58
[ 259.483648][ C1] Code: 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 47 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 <48> 83 c0 01 49 89 47 10 83 e9 01 73 d3 41 81 fe 00 01 00 00 0f 85
[ 259.483661][ C1] RSP: 002b:00007fc8ce63e4a0 EFLAGS: 00000246
[ 259.483676][ C1] RAX: 0000000000bac4f4 RBX: 00007fc8ce63e540 RCX: 00000000000000ec
[ 259.483687][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007fc8ce63e5e0
[ 259.483696][ C1] RBP: 0000000000000102 R08: 00007fc8c621f000 R09: 0000000000000000
[ 259.483707][ C1] R10: 0000000000000000 R11: 00007fc8ce63e550 R12: 0000000000000001
[ 259.483716][ C1] R13: 00007fc8cf06ea20 R14: 0000000000000000 R15: 00007fc8ce63e5e0
[ 259.483726][ C1] FS: 00007fc8ce63f6c0 GS: 0000000000000000
[ 259.491336][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 259.591927][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 259.599139][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 259.609207][ T27] Call Trace:
[ 259.612499][ T27]
[ 259.615428][ T27] dump_stack_lvl+0x168/0x230
[ 259.620212][ T27] ? show_regs_print_info+0x20/0x20
[ 259.625517][ T27] ? load_image+0x3b0/0x3b0
[ 259.630036][ T27] panic+0x2c9/0x7f0
[ 259.634205][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 259.639853][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 259.644369][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 259.649939][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 259.656127][ T27] watchdog+0xe4e/0xe50
[ 259.660318][ T27] kthread+0x436/0x520
[ 259.662716][ T5537] loop1: detected capacity change from 0 to 32768
[ 259.664391][ T27] ? hungtask_pm_notify+0x40/0x40
[ 259.675817][ T27] ? kthread_blkcg+0xd0/0xd0
[ 259.680427][ T27] ret_from_fork+0x1f/0x30
[ 259.684883][ T27]
[ 259.688233][ T27] Kernel Offset: disabled
[ 259.692620][ T27] Rebooting in 86400 seconds..