swait_queue_head+0xa5/0x150
[ 219.634327][ T5431] gfs2_sys_fs_add+0x234/0x480
[ 219.639298][ T5431] ? gfs2_recover_set+0x240/0x240
[ 219.644309][ T5431] ? snprintf+0xd7/0x120
[ 219.648542][ T5431] ? __free_pages+0x95/0x1a0
[ 219.653206][ T5431] ? vscnprintf+0x80/0x80
[ 219.657641][ T5431] gfs2_fill_super+0x128d/0x1f50
[ 219.662599][ T5431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.667690][ T5431] ? preempt_count_add+0x8d/0x190
[ 219.673113][ T5431] ? sb_set_blocksize+0xa5/0xe0
[ 219.678167][ T5431] get_tree_bdev+0x3f1/0x610
[ 219.682769][ T5431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.687975][ T5431] gfs2_get_tree+0x4d/0x1e0
[ 219.692682][ T5431] vfs_get_tree+0x88/0x270
[ 219.697117][ T5431] do_new_mount+0x24a/0xa40
[ 219.701762][ T5431] __se_sys_mount+0x2d6/0x3c0
[ 219.706439][ T5431] ? __x64_sys_mount+0xc0/0xc0
[ 219.711193][ T5431] ? lockdep_hardirqs_on+0x94/0x140
[ 219.716370][ T5431] ? __x64_sys_mount+0x1c/0xc0
[ 219.721110][ T5431] do_syscall_64+0x4c/0xa0
[ 219.725510][ T5431] ? clear_bhb_loop+0x30/0x80
[ 219.730258][ T5431] ? clear_bhb_loop+0x30/0x80
[ 219.734908][ T5431] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.740802][ T5431] RIP: 0033:0x7ff47f61f38a
[ 219.745308][ 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
[ 219.765248][ T5431] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.773684][ T5431] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 219.781636][ T5431] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 219.789705][ T5431] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 219.797693][ T5431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.805736][ T5431] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.813719][ T5431]
[ 219.821523][ T5431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.834833][ T5431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.136830][ T5434] loop1: detected capacity change from 0 to 32768
[ 220.167545][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.175938][ T5434] CPU: 1 PID: 5434 Comm: syz.1.171 Not tainted syzkaller #0
[ 220.183336][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 220.193400][ T5434] Call Trace:
[ 220.196688][ T5434]
[ 220.199629][ T5434] dump_stack_lvl+0x168/0x230
[ 220.204595][ T5434] ? show_regs_print_info+0x20/0x20
[ 220.209814][ T5434] ? load_image+0x3b0/0x3b0
[ 220.214346][ T5434] sysfs_create_dir_ns+0x252/0x280
[ 220.219471][ T5434] ? __lock_acquire+0x7c60/0x7c60
[ 220.224515][ T5434] ? sysfs_warn_dup+0xa0/0xa0
[ 220.229233][ T5434] ? do_raw_spin_unlock+0x11d/0x230
[ 220.234456][ T5434] kobject_add_internal+0x662/0xd00
[ 220.240043][ T5434] kobject_init_and_add+0x122/0x190
[ 220.245259][ T5434] ? lockdep_softirqs_off+0x420/0x420
[ 220.250664][ T5434] ? kobject_add+0x210/0x210
[ 220.255463][ T5434] ? __init_swait_queue_head+0xa5/0x150
[ 220.261182][ T5434] gfs2_sys_fs_add+0x234/0x480
[ 220.265974][ T5434] ? gfs2_recover_set+0x240/0x240
[ 220.271015][ T5434] ? snprintf+0xd7/0x120
[ 220.275272][ T5434] ? __free_pages+0x95/0x1a0
[ 220.279873][ T5434] ? vscnprintf+0x80/0x80
[ 220.284202][ T5434] gfs2_fill_super+0x128d/0x1f50
[ 220.289124][ T5434] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.294127][ T5434] ? preempt_count_add+0x8d/0x190
[ 220.299146][ T5434] ? sb_set_blocksize+0xa5/0xe0
[ 220.304626][ T5434] get_tree_bdev+0x3f1/0x610
[ 220.309235][ T5434] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.314248][ T5434] gfs2_get_tree+0x4d/0x1e0
[ 220.318739][ T5434] vfs_get_tree+0x88/0x270
[ 220.323142][ T5434] do_new_mount+0x24a/0xa40
[ 220.327629][ T5434] __se_sys_mount+0x2d6/0x3c0
[ 220.332288][ T5434] ? __x64_sys_mount+0xc0/0xc0
[ 220.337057][ T5434] ? lockdep_hardirqs_on+0x94/0x140
[ 220.342251][ T5434] ? __x64_sys_mount+0x1c/0xc0
[ 220.346998][ T5434] do_syscall_64+0x4c/0xa0
[ 220.351395][ T5434] ? clear_bhb_loop+0x30/0x80
[ 220.356067][ T5434] ? clear_bhb_loop+0x30/0x80
[ 220.360825][ T5434] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.366748][ T5434] RIP: 0033:0x7ff47f61f38a
[ 220.371153][ T5434] 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
[ 220.390843][ T5434] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.399256][ T5434] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 220.407231][ T5434] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 220.415190][ T5434] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 220.423162][ T5434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.431117][ T5434] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.439080][ T5434]
[ 220.442634][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.456365][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.756636][ T5436] loop1: detected capacity change from 0 to 32768
[ 220.806245][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.813653][ T5436] CPU: 0 PID: 5436 Comm: syz.1.172 Not tainted syzkaller #0
[ 220.820949][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 220.831017][ T5436] Call Trace:
[ 220.834299][ T5436]
[ 220.837237][ T5436] dump_stack_lvl+0x168/0x230
[ 220.842071][ T5436] ? show_regs_print_info+0x20/0x20
[ 220.847296][ T5436] ? load_image+0x3b0/0x3b0
[ 220.851834][ T5436] sysfs_create_dir_ns+0x252/0x280
[ 220.857093][ T5436] ? __lock_acquire+0x7c60/0x7c60
[ 220.862143][ T5436] ? sysfs_warn_dup+0xa0/0xa0
[ 220.866843][ T5436] ? do_raw_spin_unlock+0x11d/0x230
[ 220.872248][ T5436] kobject_add_internal+0x662/0xd00
[ 220.877479][ T5436] kobject_init_and_add+0x122/0x190
[ 220.882731][ T5436] ? lockdep_softirqs_off+0x420/0x420
[ 220.888122][ T5436] ? kobject_add+0x210/0x210
[ 220.892904][ T5436] ? __init_swait_queue_head+0xa5/0x150
[ 220.898546][ T5436] gfs2_sys_fs_add+0x234/0x480
[ 220.903574][ T5436] ? gfs2_recover_set+0x240/0x240
[ 220.908576][ T5436] ? snprintf+0xd7/0x120
[ 220.912808][ T5436] ? __free_pages+0x95/0x1a0
[ 220.917395][ T5436] ? vscnprintf+0x80/0x80
[ 220.921727][ T5436] gfs2_fill_super+0x128d/0x1f50
[ 220.926744][ T5436] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.931758][ T5436] ? preempt_count_add+0x8d/0x190
[ 220.936766][ T5436] ? sb_set_blocksize+0xa5/0xe0
[ 220.941600][ T5436] get_tree_bdev+0x3f1/0x610
[ 220.946185][ T5436] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.951210][ T5436] gfs2_get_tree+0x4d/0x1e0
[ 220.955786][ T5436] vfs_get_tree+0x88/0x270
[ 220.960186][ T5436] do_new_mount+0x24a/0xa40
[ 220.964682][ T5436] __se_sys_mount+0x2d6/0x3c0
[ 220.969385][ T5436] ? __x64_sys_mount+0xc0/0xc0
[ 220.974135][ T5436] ? lockdep_hardirqs_on+0x94/0x140
[ 220.979405][ T5436] ? __x64_sys_mount+0x1c/0xc0
[ 220.984155][ T5436] do_syscall_64+0x4c/0xa0
[ 220.988575][ T5436] ? clear_bhb_loop+0x30/0x80
[ 220.993231][ T5436] ? clear_bhb_loop+0x30/0x80
[ 220.997887][ T5436] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.003846][ T5436] RIP: 0033:0x7ff47f61f38a
[ 221.008258][ T5436] 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
[ 221.028020][ T5436] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.036427][ T5436] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 221.044570][ T5436] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 221.052534][ T5436] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 221.060779][ T5436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.068740][ T5436] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.076816][ T5436]
[ 221.081556][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.095231][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.387889][ T5438] loop1: detected capacity change from 0 to 32768
[ 221.454074][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.461681][ T5438] CPU: 0 PID: 5438 Comm: syz.1.173 Not tainted syzkaller #0
[ 221.469030][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 221.479092][ T5438] Call Trace:
[ 221.482376][ T5438]
[ 221.485312][ T5438] dump_stack_lvl+0x168/0x230
[ 221.490150][ T5438] ? show_regs_print_info+0x20/0x20
[ 221.495363][ T5438] ? load_image+0x3b0/0x3b0
[ 221.499902][ T5438] sysfs_create_dir_ns+0x252/0x280
[ 221.505031][ T5438] ? __lock_acquire+0x7c60/0x7c60
[ 221.510076][ T5438] ? sysfs_warn_dup+0xa0/0xa0
[ 221.514764][ T5438] ? do_raw_spin_unlock+0x11d/0x230
[ 221.519973][ T5438] kobject_add_internal+0x662/0xd00
[ 221.525181][ T5438] kobject_init_and_add+0x122/0x190
[ 221.530366][ T5438] ? lockdep_softirqs_off+0x420/0x420
[ 221.535723][ T5438] ? kobject_add+0x210/0x210
[ 221.540298][ T5438] ? __init_swait_queue_head+0xa5/0x150
[ 221.545913][ T5438] gfs2_sys_fs_add+0x234/0x480
[ 221.550675][ T5438] ? gfs2_recover_set+0x240/0x240
[ 221.555776][ T5438] ? snprintf+0xd7/0x120
[ 221.559997][ T5438] ? __free_pages+0x95/0x1a0
[ 221.564600][ T5438] ? vscnprintf+0x80/0x80
[ 221.568948][ T5438] gfs2_fill_super+0x128d/0x1f50
[ 221.573896][ T5438] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.578905][ T5438] ? preempt_count_add+0x8d/0x190
[ 221.583939][ T5438] ? sb_set_blocksize+0xa5/0xe0
[ 221.588803][ T5438] get_tree_bdev+0x3f1/0x610
[ 221.593386][ T5438] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.598502][ T5438] gfs2_get_tree+0x4d/0x1e0
[ 221.602990][ T5438] vfs_get_tree+0x88/0x270
[ 221.607388][ T5438] do_new_mount+0x24a/0xa40
[ 221.611881][ T5438] __se_sys_mount+0x2d6/0x3c0
[ 221.616539][ T5438] ? __x64_sys_mount+0xc0/0xc0
[ 221.621634][ T5438] ? lockdep_hardirqs_on+0x94/0x140
[ 221.626814][ T5438] ? __x64_sys_mount+0x1c/0xc0
[ 221.631565][ T5438] do_syscall_64+0x4c/0xa0
[ 221.635997][ T5438] ? clear_bhb_loop+0x30/0x80
[ 221.640664][ T5438] ? clear_bhb_loop+0x30/0x80
[ 221.645325][ T5438] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.651197][ T5438] RIP: 0033:0x7ff47f61f38a
[ 221.655589][ T5438] 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
[ 221.675178][ T5438] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.683592][ T5438] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 221.691664][ T5438] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 221.699633][ T5438] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 221.707688][ T5438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.715648][ T5438] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.723615][ T5438]
[ 221.728804][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.741954][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.885608][ T21] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.048453][ T5440] loop1: detected capacity change from 0 to 32768
[ 222.066190][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.073616][ T5440] CPU: 1 PID: 5440 Comm: syz.1.174 Not tainted syzkaller #0
[ 222.080913][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 222.090980][ T5440] Call Trace:
[ 222.094263][ T5440]
[ 222.097194][ T5440] dump_stack_lvl+0x168/0x230
[ 222.101885][ T5440] ? show_regs_print_info+0x20/0x20
[ 222.107099][ T5440] ? load_image+0x3b0/0x3b0
[ 222.111633][ T5440] sysfs_create_dir_ns+0x252/0x280
[ 222.116763][ T5440] ? __lock_acquire+0x7c60/0x7c60
[ 222.121798][ T5440] ? sysfs_warn_dup+0xa0/0xa0
[ 222.126492][ T5440] ? do_raw_spin_unlock+0x11d/0x230
[ 222.131787][ T5440] kobject_add_internal+0x662/0xd00
[ 222.136995][ T5440] kobject_init_and_add+0x122/0x190
[ 222.142217][ T5440] ? lockdep_softirqs_off+0x420/0x420
[ 222.147709][ T5440] ? kobject_add+0x210/0x210
[ 222.152295][ T5440] ? __init_swait_queue_head+0xa5/0x150
[ 222.158017][ T5440] gfs2_sys_fs_add+0x234/0x480
[ 222.162781][ T5440] ? gfs2_recover_set+0x240/0x240
[ 222.167790][ T5440] ? snprintf+0xd7/0x120
[ 222.172020][ T5440] ? __free_pages+0x95/0x1a0
[ 222.176592][ T5440] ? vscnprintf+0x80/0x80
[ 222.181066][ T5440] gfs2_fill_super+0x128d/0x1f50
[ 222.186262][ T5440] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.191274][ T5440] ? preempt_count_add+0x8d/0x190
[ 222.196306][ T5440] ? sb_set_blocksize+0xa5/0xe0
[ 222.201150][ T5440] get_tree_bdev+0x3f1/0x610
[ 222.205817][ T5440] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.210827][ T5440] gfs2_get_tree+0x4d/0x1e0
[ 222.215327][ T5440] vfs_get_tree+0x88/0x270
[ 222.219730][ T5440] do_new_mount+0x24a/0xa40
[ 222.224398][ T5440] __se_sys_mount+0x2d6/0x3c0
[ 222.229068][ T5440] ? __x64_sys_mount+0xc0/0xc0
[ 222.233834][ T5440] ? lockdep_hardirqs_on+0x94/0x140
[ 222.239012][ T5440] ? __x64_sys_mount+0x1c/0xc0
[ 222.243760][ T5440] do_syscall_64+0x4c/0xa0
[ 222.248156][ T5440] ? clear_bhb_loop+0x30/0x80
[ 222.252816][ T5440] ? clear_bhb_loop+0x30/0x80
[ 222.257471][ T5440] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.263356][ T5440] RIP: 0033:0x7ff47f61f38a
[ 222.267768][ T5440] 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
[ 222.287381][ T5440] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.295796][ T5440] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 222.303748][ T5440] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 222.311702][ T5440] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 222.319750][ T5440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.327710][ T5440] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.335763][ T5440]
[ 222.339247][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.352455][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.661171][ T5442] loop1: detected capacity change from 0 to 32768
[ 222.736318][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.743862][ T5442] CPU: 0 PID: 5442 Comm: syz.1.175 Not tainted syzkaller #0
[ 222.751343][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 222.761410][ T5442] Call Trace:
[ 222.764698][ T5442]
[ 222.767640][ T5442] dump_stack_lvl+0x168/0x230
[ 222.772337][ T5442] ? show_regs_print_info+0x20/0x20
[ 222.777563][ T5442] ? load_image+0x3b0/0x3b0
[ 222.782089][ T5442] sysfs_create_dir_ns+0x252/0x280
[ 222.787214][ T5442] ? __lock_acquire+0x7c60/0x7c60
[ 222.792235][ T5442] ? sysfs_warn_dup+0xa0/0xa0
[ 222.796931][ T5442] ? do_raw_spin_unlock+0x11d/0x230
[ 222.802137][ T5442] kobject_add_internal+0x662/0xd00
[ 222.807332][ T5442] kobject_init_and_add+0x122/0x190
[ 222.812521][ T5442] ? lockdep_softirqs_off+0x420/0x420
[ 222.817887][ T5442] ? kobject_add+0x210/0x210
[ 222.822480][ T5442] ? __init_swait_queue_head+0xa5/0x150
[ 222.828026][ T5442] gfs2_sys_fs_add+0x234/0x480
[ 222.832795][ T5442] ? gfs2_recover_set+0x240/0x240
[ 222.837820][ T5442] ? snprintf+0xd7/0x120
[ 222.842043][ T5442] ? __free_pages+0x95/0x1a0
[ 222.846615][ T5442] ? vscnprintf+0x80/0x80
[ 222.850936][ T5442] gfs2_fill_super+0x128d/0x1f50
[ 222.855864][ T5442] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.860872][ T5442] ? preempt_count_add+0x8d/0x190
[ 222.865880][ T5442] ? sb_set_blocksize+0xa5/0xe0
[ 222.870713][ T5442] get_tree_bdev+0x3f1/0x610
[ 222.875316][ T5442] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.880353][ T5442] gfs2_get_tree+0x4d/0x1e0
[ 222.884842][ T5442] vfs_get_tree+0x88/0x270
[ 222.889242][ T5442] do_new_mount+0x24a/0xa40
[ 222.893842][ T5442] __se_sys_mount+0x2d6/0x3c0
[ 222.898502][ T5442] ? __x64_sys_mount+0xc0/0xc0
[ 222.903362][ T5442] ? lockdep_hardirqs_on+0x94/0x140
[ 222.908547][ T5442] ? __x64_sys_mount+0x1c/0xc0
[ 222.913289][ T5442] do_syscall_64+0x4c/0xa0
[ 222.917685][ T5442] ? clear_bhb_loop+0x30/0x80
[ 222.922346][ T5442] ? clear_bhb_loop+0x30/0x80
[ 222.927009][ T5442] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.932887][ T5442] RIP: 0033:0x7ff47f61f38a
[ 222.937287][ T5442] 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
[ 222.957051][ T5442] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.965452][ T5442] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 222.973407][ T5442] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 222.981359][ T5442] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 222.989392][ T5442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.997375][ T5442] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.005371][ T5442]
[ 223.010307][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.023583][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.337926][ T5444] loop1: detected capacity change from 0 to 32768
[ 223.405239][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.412808][ T5444] CPU: 0 PID: 5444 Comm: syz.1.176 Not tainted syzkaller #0
[ 223.420100][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.430297][ T5444] Call Trace:
[ 223.433586][ T5444]
[ 223.436524][ T5444] dump_stack_lvl+0x168/0x230
[ 223.441228][ T5444] ? show_regs_print_info+0x20/0x20
[ 223.446502][ T5444] ? load_image+0x3b0/0x3b0
[ 223.451025][ T5444] sysfs_create_dir_ns+0x252/0x280
[ 223.456272][ T5444] ? __lock_acquire+0x7c60/0x7c60
[ 223.461411][ T5444] ? sysfs_warn_dup+0xa0/0xa0
[ 223.466122][ T5444] ? do_raw_spin_unlock+0x11d/0x230
[ 223.471342][ T5444] kobject_add_internal+0x662/0xd00
[ 223.476568][ T5444] kobject_init_and_add+0x122/0x190
[ 223.481780][ T5444] ? lockdep_softirqs_off+0x420/0x420
[ 223.487172][ T5444] ? kobject_add+0x210/0x210
[ 223.491774][ T5444] ? __init_swait_queue_head+0xa5/0x150
[ 223.497314][ T5444] gfs2_sys_fs_add+0x234/0x480
[ 223.502071][ T5444] ? gfs2_recover_set+0x240/0x240
[ 223.507074][ T5444] ? snprintf+0xd7/0x120
[ 223.511384][ T5444] ? __free_pages+0x95/0x1a0
[ 223.515956][ T5444] ? vscnprintf+0x80/0x80
[ 223.520297][ T5444] gfs2_fill_super+0x128d/0x1f50
[ 223.525234][ T5444] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.530238][ T5444] ? preempt_count_add+0x8d/0x190
[ 223.535257][ T5444] ? sb_set_blocksize+0xa5/0xe0
[ 223.540103][ T5444] get_tree_bdev+0x3f1/0x610
[ 223.544684][ T5444] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.549693][ T5444] gfs2_get_tree+0x4d/0x1e0
[ 223.554180][ T5444] vfs_get_tree+0x88/0x270
[ 223.558577][ T5444] do_new_mount+0x24a/0xa40
[ 223.563072][ T5444] __se_sys_mount+0x2d6/0x3c0
[ 223.567730][ T5444] ? __x64_sys_mount+0xc0/0xc0
[ 223.572499][ T5444] ? lockdep_hardirqs_on+0x94/0x140
[ 223.577683][ T5444] ? __x64_sys_mount+0x1c/0xc0
[ 223.582430][ T5444] do_syscall_64+0x4c/0xa0
[ 223.586824][ T5444] ? clear_bhb_loop+0x30/0x80
[ 223.591507][ T5444] ? clear_bhb_loop+0x30/0x80
[ 223.596236][ T5444] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.602130][ T5444] RIP: 0033:0x7ff47f61f38a
[ 223.606534][ T5444] 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
[ 223.626244][ T5444] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.634652][ T5444] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 223.642623][ T5444] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 223.650590][ T5444] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 223.658565][ T5444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.666526][ T5444] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.674495][ T5444]
[ 223.679539][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.692763][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.004544][ T5446] loop1: detected capacity change from 0 to 32768
[ 224.054968][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.062391][ T5446] CPU: 1 PID: 5446 Comm: syz.1.177 Not tainted syzkaller #0
[ 224.069684][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.079830][ T5446] Call Trace:
[ 224.083115][ T5446]
[ 224.086055][ T5446] dump_stack_lvl+0x168/0x230
[ 224.090751][ T5446] ? show_regs_print_info+0x20/0x20
[ 224.095966][ T5446] ? load_image+0x3b0/0x3b0
[ 224.100489][ T5446] sysfs_create_dir_ns+0x252/0x280
[ 224.105612][ T5446] ? __lock_acquire+0x7c60/0x7c60
[ 224.110857][ T5446] ? sysfs_warn_dup+0xa0/0xa0
[ 224.115548][ T5446] ? do_raw_spin_unlock+0x11d/0x230
[ 224.120754][ T5446] kobject_add_internal+0x662/0xd00
[ 224.125977][ T5446] kobject_init_and_add+0x122/0x190
[ 224.131184][ T5446] ? lockdep_softirqs_off+0x420/0x420
[ 224.136572][ T5446] ? kobject_add+0x210/0x210
[ 224.141172][ T5446] ? __init_swait_queue_head+0xa5/0x150
[ 224.146732][ T5446] gfs2_sys_fs_add+0x234/0x480
[ 224.151574][ T5446] ? gfs2_recover_set+0x240/0x240
[ 224.156592][ T5446] ? snprintf+0xd7/0x120
[ 224.160836][ T5446] ? __free_pages+0x95/0x1a0
[ 224.165423][ T5446] ? vscnprintf+0x80/0x80
[ 224.169755][ T5446] gfs2_fill_super+0x128d/0x1f50
[ 224.174681][ T5446] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.179778][ T5446] ? preempt_count_add+0x8d/0x190
[ 224.184815][ T5446] ? sb_set_blocksize+0xa5/0xe0
[ 224.189843][ T5446] get_tree_bdev+0x3f1/0x610
[ 224.194732][ T5446] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.200007][ T5446] gfs2_get_tree+0x4d/0x1e0
[ 224.204607][ T5446] vfs_get_tree+0x88/0x270
[ 224.210625][ T5446] do_new_mount+0x24a/0xa40
[ 224.215829][ T5446] __se_sys_mount+0x2d6/0x3c0
[ 224.220491][ T5446] ? __x64_sys_mount+0xc0/0xc0
[ 224.225243][ T5446] ? lockdep_hardirqs_on+0x94/0x140
[ 224.230439][ T5446] ? __x64_sys_mount+0x1c/0xc0
[ 224.235289][ T5446] do_syscall_64+0x4c/0xa0
[ 224.239725][ T5446] ? clear_bhb_loop+0x30/0x80
[ 224.244386][ T5446] ? clear_bhb_loop+0x30/0x80
[ 224.249056][ T5446] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.254943][ T5446] RIP: 0033:0x7ff47f61f38a
[ 224.259345][ T5446] 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
[ 224.278975][ T5446] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.287375][ T5446] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 224.295330][ T5446] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 224.303284][ T5446] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 224.311241][ T5446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.319198][ T5446] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.327175][ T5446]
[ 224.331031][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.344196][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:24:42 executed programs: 163
[ 224.655802][ T5448] loop1: detected capacity change from 0 to 32768
[ 224.686881][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.694301][ T5448] CPU: 0 PID: 5448 Comm: syz.1.178 Not tainted syzkaller #0
[ 224.701684][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.711748][ T5448] Call Trace:
[ 224.715034][ T5448]
[ 224.717979][ T5448] dump_stack_lvl+0x168/0x230
[ 224.722675][ T5448] ? show_regs_print_info+0x20/0x20
[ 224.727900][ T5448] ? load_image+0x3b0/0x3b0
[ 224.732429][ T5448] sysfs_create_dir_ns+0x252/0x280
[ 224.737568][ T5448] ? __lock_acquire+0x7c60/0x7c60
[ 224.742604][ T5448] ? sysfs_warn_dup+0xa0/0xa0
[ 224.747386][ T5448] ? do_raw_spin_unlock+0x11d/0x230
[ 224.752596][ T5448] kobject_add_internal+0x662/0xd00
[ 224.757891][ T5448] kobject_init_and_add+0x122/0x190
[ 224.763125][ T5448] ? lockdep_softirqs_off+0x420/0x420
[ 224.768515][ T5448] ? kobject_add+0x210/0x210
[ 224.773119][ T5448] ? __init_swait_queue_head+0xa5/0x150
[ 224.778795][ T5448] gfs2_sys_fs_add+0x234/0x480
[ 224.783571][ T5448] ? gfs2_recover_set+0x240/0x240
[ 224.788582][ T5448] ? snprintf+0xd7/0x120
[ 224.792814][ T5448] ? __free_pages+0x95/0x1a0
[ 224.797387][ T5448] ? vscnprintf+0x80/0x80
[ 224.801703][ T5448] gfs2_fill_super+0x128d/0x1f50
[ 224.806630][ T5448] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.811634][ T5448] ? preempt_count_add+0x8d/0x190
[ 224.816645][ T5448] ? sb_set_blocksize+0xa5/0xe0
[ 224.821478][ T5448] get_tree_bdev+0x3f1/0x610
[ 224.826050][ T5448] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.831315][ T5448] gfs2_get_tree+0x4d/0x1e0
[ 224.835800][ T5448] vfs_get_tree+0x88/0x270
[ 224.840198][ T5448] do_new_mount+0x24a/0xa40
[ 224.844706][ T5448] __se_sys_mount+0x2d6/0x3c0
[ 224.849381][ T5448] ? __x64_sys_mount+0xc0/0xc0
[ 224.854137][ T5448] ? lockdep_hardirqs_on+0x94/0x140
[ 224.859330][ T5448] ? __x64_sys_mount+0x1c/0xc0
[ 224.864076][ T5448] do_syscall_64+0x4c/0xa0
[ 224.868471][ T5448] ? clear_bhb_loop+0x30/0x80
[ 224.873124][ T5448] ? clear_bhb_loop+0x30/0x80
[ 224.877802][ T5448] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.883680][ T5448] RIP: 0033:0x7ff47f61f38a
[ 224.888076][ T5448] 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
[ 224.908103][ T5448] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.916512][ T5448] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 224.924497][ T5448] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 224.932540][ T5448] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 224.940571][ T5448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.948777][ T5448] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.957148][ T5448]
[ 224.963357][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.977718][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.319051][ T5450] loop1: detected capacity change from 0 to 32768
[ 225.384865][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.392658][ T5450] CPU: 1 PID: 5450 Comm: syz.1.179 Not tainted syzkaller #0
[ 225.399966][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 225.410029][ T5450] Call Trace:
[ 225.413316][ T5450]
[ 225.416263][ T5450] dump_stack_lvl+0x168/0x230
[ 225.420996][ T5450] ? show_regs_print_info+0x20/0x20
[ 225.426219][ T5450] ? load_image+0x3b0/0x3b0
[ 225.431134][ T5450] sysfs_create_dir_ns+0x252/0x280
[ 225.436274][ T5450] ? __lock_acquire+0x7c60/0x7c60
[ 225.441896][ T5450] ? sysfs_warn_dup+0xa0/0xa0
[ 225.447160][ T5450] ? do_raw_spin_unlock+0x11d/0x230
[ 225.452381][ T5450] kobject_add_internal+0x662/0xd00
[ 225.457612][ T5450] kobject_init_and_add+0x122/0x190
[ 225.462826][ T5450] ? lockdep_softirqs_off+0x420/0x420
[ 225.468299][ T5450] ? kobject_add+0x210/0x210
[ 225.472877][ T5450] ? __init_swait_queue_head+0xa5/0x150
[ 225.478409][ T5450] gfs2_sys_fs_add+0x234/0x480
[ 225.483195][ T5450] ? gfs2_recover_set+0x240/0x240
[ 225.488207][ T5450] ? snprintf+0xd7/0x120
[ 225.492451][ T5450] ? __free_pages+0x95/0x1a0
[ 225.497025][ T5450] ? vscnprintf+0x80/0x80
[ 225.501341][ T5450] gfs2_fill_super+0x128d/0x1f50
[ 225.506272][ T5450] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.511286][ T5450] ? preempt_count_add+0x8d/0x190
[ 225.516302][ T5450] ? sb_set_blocksize+0xa5/0xe0
[ 225.521170][ T5450] get_tree_bdev+0x3f1/0x610
[ 225.525742][ T5450] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.530747][ T5450] gfs2_get_tree+0x4d/0x1e0
[ 225.535244][ T5450] vfs_get_tree+0x88/0x270
[ 225.539661][ T5450] do_new_mount+0x24a/0xa40
[ 225.544150][ T5450] __se_sys_mount+0x2d6/0x3c0
[ 225.548813][ T5450] ? __x64_sys_mount+0xc0/0xc0
[ 225.553556][ T5450] ? lockdep_hardirqs_on+0x94/0x140
[ 225.558734][ T5450] ? __x64_sys_mount+0x1c/0xc0
[ 225.563480][ T5450] do_syscall_64+0x4c/0xa0
[ 225.567880][ T5450] ? clear_bhb_loop+0x30/0x80
[ 225.572646][ T5450] ? clear_bhb_loop+0x30/0x80
[ 225.577315][ T5450] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.583334][ T5450] RIP: 0033:0x7ff47f61f38a
[ 225.587743][ T5450] 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
[ 225.607342][ T5450] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.615752][ T5450] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 225.624086][ T5450] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 225.632181][ T5450] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 225.640160][ T5450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.648124][ T5450] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.656137][ T5450]
[ 225.659644][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.672959][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.998160][ T5452] loop1: detected capacity change from 0 to 32768
[ 226.015393][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.022913][ T5452] CPU: 0 PID: 5452 Comm: syz.1.180 Not tainted syzkaller #0
[ 226.030215][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 226.040293][ T5452] Call Trace:
[ 226.043595][ T5452]
[ 226.046615][ T5452] dump_stack_lvl+0x168/0x230
[ 226.051312][ T5452] ? show_regs_print_info+0x20/0x20
[ 226.056533][ T5452] ? load_image+0x3b0/0x3b0
[ 226.061220][ T5452] sysfs_create_dir_ns+0x252/0x280
[ 226.066353][ T5452] ? __lock_acquire+0x7c60/0x7c60
[ 226.071400][ T5452] ? sysfs_warn_dup+0xa0/0xa0
[ 226.076096][ T5452] ? do_raw_spin_unlock+0x11d/0x230
[ 226.081314][ T5452] kobject_add_internal+0x662/0xd00
[ 226.086538][ T5452] kobject_init_and_add+0x122/0x190
[ 226.091761][ T5452] ? lockdep_softirqs_off+0x420/0x420
[ 226.097126][ T5452] ? kobject_add+0x210/0x210
[ 226.101707][ T5452] ? __init_swait_queue_head+0xa5/0x150
[ 226.107332][ T5452] gfs2_sys_fs_add+0x234/0x480
[ 226.112100][ T5452] ? gfs2_recover_set+0x240/0x240
[ 226.117119][ T5452] ? snprintf+0xd7/0x120
[ 226.121353][ T5452] ? __free_pages+0x95/0x1a0
[ 226.125953][ T5452] ? vscnprintf+0x80/0x80
[ 226.130289][ T5452] gfs2_fill_super+0x128d/0x1f50
[ 226.135285][ T5452] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.140321][ T5452] ? preempt_count_add+0x8d/0x190
[ 226.145341][ T5452] ? sb_set_blocksize+0xa5/0xe0
[ 226.150446][ T5452] get_tree_bdev+0x3f1/0x610
[ 226.155138][ T5452] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.160160][ T5452] gfs2_get_tree+0x4d/0x1e0
[ 226.164668][ T5452] vfs_get_tree+0x88/0x270
[ 226.169096][ T5452] do_new_mount+0x24a/0xa40
[ 226.173702][ T5452] __se_sys_mount+0x2d6/0x3c0
[ 226.178381][ T5452] ? __x64_sys_mount+0xc0/0xc0
[ 226.183139][ T5452] ? lockdep_hardirqs_on+0x94/0x140
[ 226.188494][ T5452] ? __x64_sys_mount+0x1c/0xc0
[ 226.193438][ T5452] do_syscall_64+0x4c/0xa0
[ 226.197852][ T5452] ? clear_bhb_loop+0x30/0x80
[ 226.202523][ T5452] ? clear_bhb_loop+0x30/0x80
[ 226.207537][ T5452] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.213445][ T5452] RIP: 0033:0x7ff47f61f38a
[ 226.217859][ T5452] 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
[ 226.237645][ T5452] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.246236][ T5452] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 226.254194][ T5452] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 226.262232][ T5452] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 226.270201][ T5452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.278505][ T5452] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.286799][ T5452]
[ 226.291567][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.305619][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.623402][ T5454] loop1: detected capacity change from 0 to 32768
[ 226.634597][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.642080][ T5454] CPU: 0 PID: 5454 Comm: syz.1.181 Not tainted syzkaller #0
[ 226.649378][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 226.659441][ T5454] Call Trace:
[ 226.662725][ T5454]
[ 226.665667][ T5454] dump_stack_lvl+0x168/0x230
[ 226.670360][ T5454] ? show_regs_print_info+0x20/0x20
[ 226.675573][ T5454] ? load_image+0x3b0/0x3b0
[ 226.680070][ T5454] sysfs_create_dir_ns+0x252/0x280
[ 226.685170][ T5454] ? __lock_acquire+0x7c60/0x7c60
[ 226.690215][ T5454] ? sysfs_warn_dup+0xa0/0xa0
[ 226.694888][ T5454] ? do_raw_spin_unlock+0x11d/0x230
[ 226.700167][ T5454] kobject_add_internal+0x662/0xd00
[ 226.705359][ T5454] kobject_init_and_add+0x122/0x190
[ 226.710551][ T5454] ? lockdep_softirqs_off+0x420/0x420
[ 226.715908][ T5454] ? kobject_add+0x210/0x210
[ 226.720606][ T5454] ? __init_swait_queue_head+0xa5/0x150
[ 226.726256][ T5454] gfs2_sys_fs_add+0x234/0x480
[ 226.731027][ T5454] ? gfs2_recover_set+0x240/0x240
[ 226.736035][ T5454] ? snprintf+0xd7/0x120
[ 226.740419][ T5454] ? __free_pages+0x95/0x1a0
[ 226.745132][ T5454] ? vscnprintf+0x80/0x80
[ 226.749897][ T5454] gfs2_fill_super+0x128d/0x1f50
[ 226.754838][ T5454] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.759862][ T5454] ? preempt_count_add+0x8d/0x190
[ 226.764980][ T5454] ? sb_set_blocksize+0xa5/0xe0
[ 226.769853][ T5454] get_tree_bdev+0x3f1/0x610
[ 226.774459][ T5454] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.779591][ T5454] gfs2_get_tree+0x4d/0x1e0
[ 226.784109][ T5454] vfs_get_tree+0x88/0x270
[ 226.788866][ T5454] do_new_mount+0x24a/0xa40
[ 226.793686][ T5454] __se_sys_mount+0x2d6/0x3c0
[ 226.798543][ T5454] ? __x64_sys_mount+0xc0/0xc0
[ 226.803297][ T5454] ? lockdep_hardirqs_on+0x94/0x140
[ 226.808495][ T5454] ? __x64_sys_mount+0x1c/0xc0
[ 226.813589][ T5454] do_syscall_64+0x4c/0xa0
[ 226.818009][ T5454] ? clear_bhb_loop+0x30/0x80
[ 226.823002][ T5454] ? clear_bhb_loop+0x30/0x80
[ 226.827694][ T5454] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.833578][ T5454] RIP: 0033:0x7ff47f61f38a
[ 226.838069][ T5454] 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
[ 226.858301][ T5454] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.866710][ T5454] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 226.874767][ T5454] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 226.882758][ T5454] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 226.890738][ T5454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.898969][ T5454] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.906940][ T5454]
[ 226.911890][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.925477][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.268213][ T5456] loop1: detected capacity change from 0 to 32768
[ 227.368233][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.375794][ T5456] CPU: 1 PID: 5456 Comm: syz.1.182 Not tainted syzkaller #0
[ 227.383100][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 227.393344][ T5456] Call Trace:
[ 227.396646][ T5456]
[ 227.399588][ T5456] dump_stack_lvl+0x168/0x230
[ 227.404456][ T5456] ? show_regs_print_info+0x20/0x20
[ 227.409777][ T5456] ? load_image+0x3b0/0x3b0
[ 227.414299][ T5456] sysfs_create_dir_ns+0x252/0x280
[ 227.419408][ T5456] ? __lock_acquire+0x7c60/0x7c60
[ 227.424548][ T5456] ? sysfs_warn_dup+0xa0/0xa0
[ 227.429240][ T5456] ? do_raw_spin_unlock+0x11d/0x230
[ 227.434453][ T5456] kobject_add_internal+0x662/0xd00
[ 227.439678][ T5456] kobject_init_and_add+0x122/0x190
[ 227.444878][ T5456] ? lockdep_softirqs_off+0x420/0x420
[ 227.450330][ T5456] ? kobject_add+0x210/0x210
[ 227.455010][ T5456] ? __init_swait_queue_head+0xa5/0x150
[ 227.460560][ T5456] gfs2_sys_fs_add+0x234/0x480
[ 227.465445][ T5456] ? gfs2_recover_set+0x240/0x240
[ 227.470476][ T5456] ? snprintf+0xd7/0x120
[ 227.474720][ T5456] ? __free_pages+0x95/0x1a0
[ 227.479292][ T5456] ? vscnprintf+0x80/0x80
[ 227.483624][ T5456] gfs2_fill_super+0x128d/0x1f50
[ 227.488556][ T5456] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.493567][ T5456] ? preempt_count_add+0x8d/0x190
[ 227.498582][ T5456] ? sb_set_blocksize+0xa5/0xe0
[ 227.503416][ T5456] get_tree_bdev+0x3f1/0x610
[ 227.507992][ T5456] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.512998][ T5456] gfs2_get_tree+0x4d/0x1e0
[ 227.517485][ T5456] vfs_get_tree+0x88/0x270
[ 227.521886][ T5456] do_new_mount+0x24a/0xa40
[ 227.526372][ T5456] __se_sys_mount+0x2d6/0x3c0
[ 227.531029][ T5456] ? __x64_sys_mount+0xc0/0xc0
[ 227.535874][ T5456] ? lockdep_hardirqs_on+0x94/0x140
[ 227.541068][ T5456] ? __x64_sys_mount+0x1c/0xc0
[ 227.545814][ T5456] do_syscall_64+0x4c/0xa0
[ 227.550214][ T5456] ? clear_bhb_loop+0x30/0x80
[ 227.554880][ T5456] ? clear_bhb_loop+0x30/0x80
[ 227.559537][ T5456] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.565508][ T5456] RIP: 0033:0x7ff47f61f38a
[ 227.570012][ T5456] 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
[ 227.589784][ T5456] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.598205][ T5456] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 227.606171][ T5456] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 227.614143][ T5456] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 227.622098][ T5456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.630053][ T5456] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.638299][ T5456]
[ 227.643916][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.657256][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.012197][ T5458] loop1: detected capacity change from 0 to 32768
[ 228.056940][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.074476][ T5458] CPU: 0 PID: 5458 Comm: syz.1.183 Not tainted syzkaller #0
[ 228.081848][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 228.091916][ T5458] Call Trace:
[ 228.095201][ T5458]
[ 228.098151][ T5458] dump_stack_lvl+0x168/0x230
[ 228.102843][ T5458] ? show_regs_print_info+0x20/0x20
[ 228.108235][ T5458] ? load_image+0x3b0/0x3b0
[ 228.112765][ T5458] sysfs_create_dir_ns+0x252/0x280
[ 228.117898][ T5458] ? __lock_acquire+0x7c60/0x7c60
[ 228.122938][ T5458] ? sysfs_warn_dup+0xa0/0xa0
[ 228.127625][ T5458] ? do_raw_spin_unlock+0x11d/0x230
[ 228.132837][ T5458] kobject_add_internal+0x662/0xd00
[ 228.138050][ T5458] kobject_init_and_add+0x122/0x190
[ 228.143294][ T5458] ? lockdep_softirqs_off+0x420/0x420
[ 228.148759][ T5458] ? kobject_add+0x210/0x210
[ 228.153342][ T5458] ? __init_swait_queue_head+0xa5/0x150
[ 228.158888][ T5458] gfs2_sys_fs_add+0x234/0x480
[ 228.163642][ T5458] ? gfs2_recover_set+0x240/0x240
[ 228.168732][ T5458] ? snprintf+0xd7/0x120
[ 228.172962][ T5458] ? __free_pages+0x95/0x1a0
[ 228.177534][ T5458] ? vscnprintf+0x80/0x80
[ 228.181851][ T5458] gfs2_fill_super+0x128d/0x1f50
[ 228.186782][ T5458] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.191991][ T5458] ? preempt_count_add+0x8d/0x190
[ 228.197015][ T5458] ? sb_set_blocksize+0xa5/0xe0
[ 228.201940][ T5458] get_tree_bdev+0x3f1/0x610
[ 228.206598][ T5458] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.211622][ T5458] gfs2_get_tree+0x4d/0x1e0
[ 228.216296][ T5458] vfs_get_tree+0x88/0x270
[ 228.220728][ T5458] do_new_mount+0x24a/0xa40
[ 228.225217][ T5458] __se_sys_mount+0x2d6/0x3c0
[ 228.229878][ T5458] ? __x64_sys_mount+0xc0/0xc0
[ 228.234629][ T5458] ? lockdep_hardirqs_on+0x94/0x140
[ 228.239823][ T5458] ? __x64_sys_mount+0x1c/0xc0
[ 228.244572][ T5458] do_syscall_64+0x4c/0xa0
[ 228.249142][ T5458] ? clear_bhb_loop+0x30/0x80
[ 228.253885][ T5458] ? clear_bhb_loop+0x30/0x80
[ 228.259069][ T5458] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.264948][ T5458] RIP: 0033:0x7ff47f61f38a
[ 228.269356][ T5458] 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
[ 228.288957][ T5458] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.297365][ T5458] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 228.305328][ T5458] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 228.313396][ T5458] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 228.321359][ T5458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.329325][ T5458] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.337321][ T5458]
[ 228.342541][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.356088][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.678023][ T5460] loop1: detected capacity change from 0 to 32768
[ 228.788159][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.795778][ T5460] CPU: 1 PID: 5460 Comm: syz.1.184 Not tainted syzkaller #0
[ 228.803082][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 228.813141][ T5460] Call Trace:
[ 228.816426][ T5460]
[ 228.819377][ T5460] dump_stack_lvl+0x168/0x230
[ 228.824080][ T5460] ? show_regs_print_info+0x20/0x20
[ 228.829299][ T5460] ? load_image+0x3b0/0x3b0
[ 228.833835][ T5460] sysfs_create_dir_ns+0x252/0x280
[ 228.838975][ T5460] ? __lock_acquire+0x7c60/0x7c60
[ 228.844018][ T5460] ? sysfs_warn_dup+0xa0/0xa0
[ 228.848729][ T5460] ? do_raw_spin_unlock+0x11d/0x230
[ 228.853940][ T5460] kobject_add_internal+0x662/0xd00
[ 228.859232][ T5460] kobject_init_and_add+0x122/0x190
[ 228.864429][ T5460] ? lockdep_softirqs_off+0x420/0x420
[ 228.869832][ T5460] ? kobject_add+0x210/0x210
[ 228.874420][ T5460] ? __init_swait_queue_head+0xa5/0x150
[ 228.879963][ T5460] gfs2_sys_fs_add+0x234/0x480
[ 228.884722][ T5460] ? gfs2_recover_set+0x240/0x240
[ 228.889742][ T5460] ? snprintf+0xd7/0x120
[ 228.893968][ T5460] ? __free_pages+0x95/0x1a0
[ 228.898627][ T5460] ? vscnprintf+0x80/0x80
[ 228.902942][ T5460] gfs2_fill_super+0x128d/0x1f50
[ 228.907881][ T5460] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.912898][ T5460] ? preempt_count_add+0x8d/0x190
[ 228.917914][ T5460] ? sb_set_blocksize+0xa5/0xe0
[ 228.922749][ T5460] get_tree_bdev+0x3f1/0x610
[ 228.927323][ T5460] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.932329][ T5460] gfs2_get_tree+0x4d/0x1e0
[ 228.936809][ T5460] vfs_get_tree+0x88/0x270
[ 228.941205][ T5460] do_new_mount+0x24a/0xa40
[ 228.945703][ T5460] __se_sys_mount+0x2d6/0x3c0
[ 228.950483][ T5460] ? __x64_sys_mount+0xc0/0xc0
[ 228.955243][ T5460] ? lockdep_hardirqs_on+0x94/0x140
[ 228.960430][ T5460] ? __x64_sys_mount+0x1c/0xc0
[ 228.965190][ T5460] do_syscall_64+0x4c/0xa0
[ 228.969607][ T5460] ? clear_bhb_loop+0x30/0x80
[ 228.974391][ T5460] ? clear_bhb_loop+0x30/0x80
[ 228.979146][ T5460] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.985028][ T5460] RIP: 0033:0x7ff47f61f38a
[ 228.989423][ T5460] 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
[ 229.009011][ T5460] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.017500][ T5460] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 229.025463][ T5460] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 229.033672][ T5460] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 229.041877][ T5460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.049953][ T5460] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.057963][ T5460]
[ 229.067297][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.081045][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.410684][ T5462] loop1: detected capacity change from 0 to 32768
[ 229.508340][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.516717][ T5462] CPU: 0 PID: 5462 Comm: syz.1.185 Not tainted syzkaller #0
[ 229.524032][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 229.534092][ T5462] Call Trace:
[ 229.537652][ T5462]
[ 229.540601][ T5462] dump_stack_lvl+0x168/0x230
[ 229.545314][ T5462] ? show_regs_print_info+0x20/0x20
[ 229.550582][ T5462] ? load_image+0x3b0/0x3b0
[ 229.555205][ T5462] sysfs_create_dir_ns+0x252/0x280
[ 229.560332][ T5462] ? __lock_acquire+0x7c60/0x7c60
[ 229.565501][ T5462] ? sysfs_warn_dup+0xa0/0xa0
[ 229.570236][ T5462] ? do_raw_spin_unlock+0x11d/0x230
[ 229.575435][ T5462] kobject_add_internal+0x662/0xd00
[ 229.580623][ T5462] kobject_init_and_add+0x122/0x190
[ 229.585808][ T5462] ? lockdep_softirqs_off+0x420/0x420
[ 229.591264][ T5462] ? kobject_add+0x210/0x210
[ 229.595856][ T5462] ? __init_swait_queue_head+0xa5/0x150
[ 229.601413][ T5462] gfs2_sys_fs_add+0x234/0x480
[ 229.606170][ T5462] ? gfs2_recover_set+0x240/0x240
[ 229.611201][ T5462] ? snprintf+0xd7/0x120
[ 229.615477][ T5462] ? __free_pages+0x95/0x1a0
[ 229.620060][ T5462] ? vscnprintf+0x80/0x80
[ 229.624396][ T5462] gfs2_fill_super+0x128d/0x1f50
[ 229.629473][ T5462] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.634501][ T5462] ? preempt_count_add+0x8d/0x190
[ 229.639586][ T5462] ? sb_set_blocksize+0xa5/0xe0
[ 229.644441][ T5462] get_tree_bdev+0x3f1/0x610
[ 229.649050][ T5462] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.654070][ T5462] gfs2_get_tree+0x4d/0x1e0
[ 229.658558][ T5462] vfs_get_tree+0x88/0x270
[ 229.662965][ T5462] do_new_mount+0x24a/0xa40
[ 229.667462][ T5462] __se_sys_mount+0x2d6/0x3c0
[ 229.672128][ T5462] ? __x64_sys_mount+0xc0/0xc0
[ 229.676879][ T5462] ? lockdep_hardirqs_on+0x94/0x140
[ 229.682058][ T5462] ? __x64_sys_mount+0x1c/0xc0
[ 229.686809][ T5462] do_syscall_64+0x4c/0xa0
[ 229.691311][ T5462] ? clear_bhb_loop+0x30/0x80
[ 229.696058][ T5462] ? clear_bhb_loop+0x30/0x80
[ 229.700805][ T5462] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.706709][ T5462] RIP: 0033:0x7ff47f61f38a
[ 229.711225][ T5462] 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
[ 229.730827][ T5462] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.739252][ T5462] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 229.747304][ T5462] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 229.755268][ T5462] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 229.763231][ T5462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.771232][ T5462] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.779211][ T5462]
[ 229.783929][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.797358][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:24:48 executed programs: 171
[ 230.148730][ T5464] loop1: detected capacity change from 0 to 32768
[ 230.203256][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.211067][ T5464] CPU: 0 PID: 5464 Comm: syz.1.186 Not tainted syzkaller #0
[ 230.218370][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 230.228616][ T5464] Call Trace:
[ 230.231911][ T5464]
[ 230.234868][ T5464] dump_stack_lvl+0x168/0x230
[ 230.239575][ T5464] ? show_regs_print_info+0x20/0x20
[ 230.244790][ T5464] ? load_image+0x3b0/0x3b0
[ 230.249410][ T5464] sysfs_create_dir_ns+0x252/0x280
[ 230.254545][ T5464] ? __lock_acquire+0x7c60/0x7c60
[ 230.259587][ T5464] ? sysfs_warn_dup+0xa0/0xa0
[ 230.264283][ T5464] ? do_raw_spin_unlock+0x11d/0x230
[ 230.269500][ T5464] kobject_add_internal+0x662/0xd00
[ 230.274731][ T5464] kobject_init_and_add+0x122/0x190
[ 230.280029][ T5464] ? lockdep_softirqs_off+0x420/0x420
[ 230.285512][ T5464] ? kobject_add+0x210/0x210
[ 230.290113][ T5464] ? __init_swait_queue_head+0xa5/0x150
[ 230.295648][ T5464] gfs2_sys_fs_add+0x234/0x480
[ 230.300394][ T5464] ? gfs2_recover_set+0x240/0x240
[ 230.305411][ T5464] ? snprintf+0xd7/0x120
[ 230.309670][ T5464] ? __free_pages+0x95/0x1a0
[ 230.314283][ T5464] ? vscnprintf+0x80/0x80
[ 230.318625][ T5464] gfs2_fill_super+0x128d/0x1f50
[ 230.323559][ T5464] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.328653][ T5464] ? preempt_count_add+0x8d/0x190
[ 230.333685][ T5464] ? sb_set_blocksize+0xa5/0xe0
[ 230.338523][ T5464] get_tree_bdev+0x3f1/0x610
[ 230.343116][ T5464] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.348122][ T5464] gfs2_get_tree+0x4d/0x1e0
[ 230.352608][ T5464] vfs_get_tree+0x88/0x270
[ 230.357339][ T5464] do_new_mount+0x24a/0xa40
[ 230.361845][ T5464] __se_sys_mount+0x2d6/0x3c0
[ 230.366693][ T5464] ? __x64_sys_mount+0xc0/0xc0
[ 230.371574][ T5464] ? lockdep_hardirqs_on+0x94/0x140
[ 230.376766][ T5464] ? __x64_sys_mount+0x1c/0xc0
[ 230.381533][ T5464] do_syscall_64+0x4c/0xa0
[ 230.385950][ T5464] ? clear_bhb_loop+0x30/0x80
[ 230.390610][ T5464] ? clear_bhb_loop+0x30/0x80
[ 230.395378][ T5464] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.401290][ T5464] RIP: 0033:0x7ff47f61f38a
[ 230.405714][ T5464] 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
[ 230.425319][ T5464] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.433719][ T5464] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 230.441689][ T5464] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 230.449914][ T5464] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 230.458563][ T5464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.466705][ T5464] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.474870][ T5464]
[ 230.479462][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.492890][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.792124][ T5466] loop1: detected capacity change from 0 to 32768
[ 230.865033][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.872465][ T5466] CPU: 1 PID: 5466 Comm: syz.1.187 Not tainted syzkaller #0
[ 230.879763][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 230.889831][ T5466] Call Trace:
[ 230.893130][ T5466]
[ 230.896159][ T5466] dump_stack_lvl+0x168/0x230
[ 230.900943][ T5466] ? show_regs_print_info+0x20/0x20
[ 230.906160][ T5466] ? load_image+0x3b0/0x3b0
[ 230.910688][ T5466] sysfs_create_dir_ns+0x252/0x280
[ 230.915820][ T5466] ? __lock_acquire+0x7c60/0x7c60
[ 230.920862][ T5466] ? sysfs_warn_dup+0xa0/0xa0
[ 230.925567][ T5466] ? do_raw_spin_unlock+0x11d/0x230
[ 230.930792][ T5466] kobject_add_internal+0x662/0xd00
[ 230.936021][ T5466] kobject_init_and_add+0x122/0x190
[ 230.941340][ T5466] ? lockdep_softirqs_off+0x420/0x420
[ 230.946711][ T5466] ? kobject_add+0x210/0x210
[ 230.951431][ T5466] ? __init_swait_queue_head+0xa5/0x150
[ 230.957217][ T5466] gfs2_sys_fs_add+0x234/0x480
[ 230.961971][ T5466] ? gfs2_recover_set+0x240/0x240
[ 230.966979][ T5466] ? snprintf+0xd7/0x120
[ 230.971403][ T5466] ? __free_pages+0x95/0x1a0
[ 230.976219][ T5466] ? vscnprintf+0x80/0x80
[ 230.980581][ T5466] gfs2_fill_super+0x128d/0x1f50
[ 230.985619][ T5466] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.990650][ T5466] ? preempt_count_add+0x8d/0x190
[ 230.995752][ T5466] ? sb_set_blocksize+0xa5/0xe0
[ 231.000608][ T5466] get_tree_bdev+0x3f1/0x610
[ 231.005194][ T5466] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.010204][ T5466] gfs2_get_tree+0x4d/0x1e0
[ 231.014862][ T5466] vfs_get_tree+0x88/0x270
[ 231.019388][ T5466] do_new_mount+0x24a/0xa40
[ 231.023896][ T5466] __se_sys_mount+0x2d6/0x3c0
[ 231.028675][ T5466] ? __x64_sys_mount+0xc0/0xc0
[ 231.033528][ T5466] ? lockdep_hardirqs_on+0x94/0x140
[ 231.038705][ T5466] ? __x64_sys_mount+0x1c/0xc0
[ 231.043458][ T5466] do_syscall_64+0x4c/0xa0
[ 231.047897][ T5466] ? clear_bhb_loop+0x30/0x80
[ 231.052848][ T5466] ? clear_bhb_loop+0x30/0x80
[ 231.057524][ T5466] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.063433][ T5466] RIP: 0033:0x7ff47f61f38a
[ 231.067834][ T5466] 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
[ 231.087688][ T5466] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.096136][ T5466] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 231.104112][ T5466] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 231.112345][ T5466] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 231.120355][ T5466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.128384][ T5466] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.136454][ T5466]
[ 231.140184][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.153701][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.471743][ T5468] loop1: detected capacity change from 0 to 32768
[ 231.568440][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.576029][ T5468] CPU: 1 PID: 5468 Comm: syz.1.188 Not tainted syzkaller #0
[ 231.583322][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 231.593388][ T5468] Call Trace:
[ 231.596686][ T5468]
[ 231.599634][ T5468] dump_stack_lvl+0x168/0x230
[ 231.604351][ T5468] ? show_regs_print_info+0x20/0x20
[ 231.609565][ T5468] ? load_image+0x3b0/0x3b0
[ 231.614195][ T5468] sysfs_create_dir_ns+0x252/0x280
[ 231.619323][ T5468] ? __lock_acquire+0x7c60/0x7c60
[ 231.624366][ T5468] ? sysfs_warn_dup+0xa0/0xa0
[ 231.629053][ T5468] ? do_raw_spin_unlock+0x11d/0x230
[ 231.634245][ T5468] kobject_add_internal+0x662/0xd00
[ 231.639468][ T5468] kobject_init_and_add+0x122/0x190
[ 231.644748][ T5468] ? lockdep_softirqs_off+0x420/0x420
[ 231.650155][ T5468] ? kobject_add+0x210/0x210
[ 231.655178][ T5468] ? __init_swait_queue_head+0xa5/0x150
[ 231.660873][ T5468] gfs2_sys_fs_add+0x234/0x480
[ 231.665669][ T5468] ? gfs2_recover_set+0x240/0x240
[ 231.670777][ T5468] ? snprintf+0xd7/0x120
[ 231.675192][ T5468] ? __free_pages+0x95/0x1a0
[ 231.679777][ T5468] ? vscnprintf+0x80/0x80
[ 231.684097][ T5468] gfs2_fill_super+0x128d/0x1f50
[ 231.689058][ T5468] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.694074][ T5468] ? preempt_count_add+0x8d/0x190
[ 231.699093][ T5468] ? sb_set_blocksize+0xa5/0xe0
[ 231.703933][ T5468] get_tree_bdev+0x3f1/0x610
[ 231.708511][ T5468] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.713532][ T5468] gfs2_get_tree+0x4d/0x1e0
[ 231.718028][ T5468] vfs_get_tree+0x88/0x270
[ 231.722432][ T5468] do_new_mount+0x24a/0xa40
[ 231.726920][ T5468] __se_sys_mount+0x2d6/0x3c0
[ 231.731581][ T5468] ? __x64_sys_mount+0xc0/0xc0
[ 231.736359][ T5468] ? lockdep_hardirqs_on+0x94/0x140
[ 231.741557][ T5468] ? __x64_sys_mount+0x1c/0xc0
[ 231.746319][ T5468] do_syscall_64+0x4c/0xa0
[ 231.750740][ T5468] ? clear_bhb_loop+0x30/0x80
[ 231.755400][ T5468] ? clear_bhb_loop+0x30/0x80
[ 231.760101][ T5468] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.765982][ T5468] RIP: 0033:0x7ff47f61f38a
[ 231.770384][ T5468] 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
[ 231.790173][ T5468] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.798693][ T5468] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 231.806668][ T5468] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 231.814648][ T5468] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 231.822613][ T5468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.830616][ T5468] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.838591][ T5468]
[ 231.842120][ T5468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.855290][ T5468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.167157][ T5470] loop1: detected capacity change from 0 to 32768
[ 232.277159][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.284804][ T5470] CPU: 0 PID: 5470 Comm: syz.1.189 Not tainted syzkaller #0
[ 232.292099][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 232.302253][ T5470] Call Trace:
[ 232.305547][ T5470]
[ 232.308489][ T5470] dump_stack_lvl+0x168/0x230
[ 232.313191][ T5470] ? show_regs_print_info+0x20/0x20
[ 232.318417][ T5470] ? load_image+0x3b0/0x3b0
[ 232.323037][ T5470] sysfs_create_dir_ns+0x252/0x280
[ 232.328156][ T5470] ? __lock_acquire+0x7c60/0x7c60
[ 232.333192][ T5470] ? sysfs_warn_dup+0xa0/0xa0
[ 232.337970][ T5470] ? do_raw_spin_unlock+0x11d/0x230
[ 232.343160][ T5470] kobject_add_internal+0x662/0xd00
[ 232.348377][ T5470] kobject_init_and_add+0x122/0x190
[ 232.353749][ T5470] ? lockdep_softirqs_off+0x420/0x420
[ 232.359343][ T5470] ? kobject_add+0x210/0x210
[ 232.363927][ T5470] ? __init_swait_queue_head+0xa5/0x150
[ 232.369458][ T5470] gfs2_sys_fs_add+0x234/0x480
[ 232.374233][ T5470] ? gfs2_recover_set+0x240/0x240
[ 232.379242][ T5470] ? snprintf+0xd7/0x120
[ 232.383484][ T5470] ? __free_pages+0x95/0x1a0
[ 232.388054][ T5470] ? vscnprintf+0x80/0x80
[ 232.392368][ T5470] gfs2_fill_super+0x128d/0x1f50
[ 232.397294][ T5470] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.402301][ T5470] ? preempt_count_add+0x8d/0x190
[ 232.407306][ T5470] ? sb_set_blocksize+0xa5/0xe0
[ 232.412169][ T5470] get_tree_bdev+0x3f1/0x610
[ 232.417290][ T5470] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.422490][ T5470] gfs2_get_tree+0x4d/0x1e0
[ 232.427101][ T5470] vfs_get_tree+0x88/0x270
[ 232.431521][ T5470] do_new_mount+0x24a/0xa40
[ 232.436027][ T5470] __se_sys_mount+0x2d6/0x3c0
[ 232.440696][ T5470] ? __x64_sys_mount+0xc0/0xc0
[ 232.445456][ T5470] ? lockdep_hardirqs_on+0x94/0x140
[ 232.450655][ T5470] ? __x64_sys_mount+0x1c/0xc0
[ 232.455594][ T5470] do_syscall_64+0x4c/0xa0
[ 232.460201][ T5470] ? clear_bhb_loop+0x30/0x80
[ 232.464971][ T5470] ? clear_bhb_loop+0x30/0x80
[ 232.469643][ T5470] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.475640][ T5470] RIP: 0033:0x7ff47f61f38a
[ 232.480048][ T5470] 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
[ 232.499666][ T5470] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.508163][ T5470] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 232.516228][ T5470] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 232.524302][ T5470] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 232.532256][ T5470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.540303][ T5470] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.548265][ T5470]
[ 232.553230][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.566990][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.881849][ T5472] loop1: detected capacity change from 0 to 32768
[ 232.935161][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.942804][ T5472] CPU: 1 PID: 5472 Comm: syz.1.190 Not tainted syzkaller #0
[ 232.950114][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 232.960268][ T5472] Call Trace:
[ 232.963555][ T5472]
[ 232.966500][ T5472] dump_stack_lvl+0x168/0x230
[ 232.971192][ T5472] ? show_regs_print_info+0x20/0x20
[ 232.976412][ T5472] ? load_image+0x3b0/0x3b0
[ 232.980950][ T5472] sysfs_create_dir_ns+0x252/0x280
[ 232.986083][ T5472] ? __lock_acquire+0x7c60/0x7c60
[ 232.991122][ T5472] ? sysfs_warn_dup+0xa0/0xa0
[ 232.995819][ T5472] ? do_raw_spin_unlock+0x11d/0x230
[ 233.001127][ T5472] kobject_add_internal+0x662/0xd00
[ 233.006351][ T5472] kobject_init_and_add+0x122/0x190
[ 233.011568][ T5472] ? lockdep_softirqs_off+0x420/0x420
[ 233.016961][ T5472] ? kobject_add+0x210/0x210
[ 233.021593][ T5472] ? __init_swait_queue_head+0xa5/0x150
[ 233.027157][ T5472] gfs2_sys_fs_add+0x234/0x480
[ 233.032113][ T5472] ? gfs2_recover_set+0x240/0x240
[ 233.037140][ T5472] ? snprintf+0xd7/0x120
[ 233.041387][ T5472] ? __free_pages+0x95/0x1a0
[ 233.045973][ T5472] ? vscnprintf+0x80/0x80
[ 233.050429][ T5472] gfs2_fill_super+0x128d/0x1f50
[ 233.055373][ T5472] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.060396][ T5472] ? preempt_count_add+0x8d/0x190
[ 233.065421][ T5472] ? sb_set_blocksize+0xa5/0xe0
[ 233.070285][ T5472] get_tree_bdev+0x3f1/0x610
[ 233.074868][ T5472] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.079899][ T5472] gfs2_get_tree+0x4d/0x1e0
[ 233.084481][ T5472] vfs_get_tree+0x88/0x270
[ 233.088913][ T5472] do_new_mount+0x24a/0xa40
[ 233.093435][ T5472] __se_sys_mount+0x2d6/0x3c0
[ 233.098102][ T5472] ? __x64_sys_mount+0xc0/0xc0
[ 233.103028][ T5472] ? lockdep_hardirqs_on+0x94/0x140
[ 233.108267][ T5472] ? __x64_sys_mount+0x1c/0xc0
[ 233.113024][ T5472] do_syscall_64+0x4c/0xa0
[ 233.117447][ T5472] ? clear_bhb_loop+0x30/0x80
[ 233.122119][ T5472] ? clear_bhb_loop+0x30/0x80
[ 233.126780][ T5472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.132655][ T5472] RIP: 0033:0x7ff47f61f38a
[ 233.137055][ T5472] 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
[ 233.156747][ T5472] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.165253][ T5472] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 233.173227][ T5472] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 233.181737][ T5472] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 233.189881][ T5472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.197915][ T5472] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.206084][ T5472]
[ 233.209831][ T5472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.223119][ T5472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.543635][ T5474] loop1: detected capacity change from 0 to 32768
[ 233.595195][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.602615][ T5474] CPU: 1 PID: 5474 Comm: syz.1.191 Not tainted syzkaller #0
[ 233.610011][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 233.620077][ T5474] Call Trace:
[ 233.623374][ T5474]
[ 233.626397][ T5474] dump_stack_lvl+0x168/0x230
[ 233.631104][ T5474] ? show_regs_print_info+0x20/0x20
[ 233.636325][ T5474] ? load_image+0x3b0/0x3b0
[ 233.640859][ T5474] sysfs_create_dir_ns+0x252/0x280
[ 233.645990][ T5474] ? __lock_acquire+0x7c60/0x7c60
[ 233.651095][ T5474] ? sysfs_warn_dup+0xa0/0xa0
[ 233.655793][ T5474] ? do_raw_spin_unlock+0x11d/0x230
[ 233.661004][ T5474] kobject_add_internal+0x662/0xd00
[ 233.666225][ T5474] kobject_init_and_add+0x122/0x190
[ 233.671442][ T5474] ? lockdep_softirqs_off+0x420/0x420
[ 233.676825][ T5474] ? kobject_add+0x210/0x210
[ 233.681409][ T5474] ? __init_swait_queue_head+0xa5/0x150
[ 233.687034][ T5474] gfs2_sys_fs_add+0x234/0x480
[ 233.691781][ T5474] ? gfs2_recover_set+0x240/0x240
[ 233.696948][ T5474] ? snprintf+0xd7/0x120
[ 233.701193][ T5474] ? __free_pages+0x95/0x1a0
[ 233.705779][ T5474] ? vscnprintf+0x80/0x80
[ 233.710183][ T5474] gfs2_fill_super+0x128d/0x1f50
[ 233.715125][ T5474] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.720136][ T5474] ? preempt_count_add+0x8d/0x190
[ 233.725157][ T5474] ? sb_set_blocksize+0xa5/0xe0
[ 233.730006][ T5474] get_tree_bdev+0x3f1/0x610
[ 233.734577][ T5474] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.739667][ T5474] gfs2_get_tree+0x4d/0x1e0
[ 233.744234][ T5474] vfs_get_tree+0x88/0x270
[ 233.748633][ T5474] do_new_mount+0x24a/0xa40
[ 233.753117][ T5474] __se_sys_mount+0x2d6/0x3c0
[ 233.757793][ T5474] ? __x64_sys_mount+0xc0/0xc0
[ 233.762560][ T5474] ? lockdep_hardirqs_on+0x94/0x140
[ 233.767740][ T5474] ? __x64_sys_mount+0x1c/0xc0
[ 233.772576][ T5474] do_syscall_64+0x4c/0xa0
[ 233.777491][ T5474] ? clear_bhb_loop+0x30/0x80
[ 233.782149][ T5474] ? clear_bhb_loop+0x30/0x80
[ 233.786829][ T5474] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.792707][ T5474] RIP: 0033:0x7ff47f61f38a
[ 233.797103][ T5474] 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
[ 233.816789][ T5474] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.825192][ T5474] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 233.833194][ T5474] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 233.841169][ T5474] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 233.849220][ T5474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.857232][ T5474] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.865218][ T5474]
[ 233.868684][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.882120][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.185773][ T5476] loop1: detected capacity change from 0 to 32768
[ 234.276365][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.283867][ T5476] CPU: 1 PID: 5476 Comm: syz.1.192 Not tainted syzkaller #0
[ 234.291161][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.301229][ T5476] Call Trace:
[ 234.304516][ T5476]
[ 234.307612][ T5476] dump_stack_lvl+0x168/0x230
[ 234.312320][ T5476] ? show_regs_print_info+0x20/0x20
[ 234.318152][ T5476] ? load_image+0x3b0/0x3b0
[ 234.322695][ T5476] sysfs_create_dir_ns+0x252/0x280
[ 234.327830][ T5476] ? __lock_acquire+0x7c60/0x7c60
[ 234.332967][ T5476] ? sysfs_warn_dup+0xa0/0xa0
[ 234.337658][ T5476] ? do_raw_spin_unlock+0x11d/0x230
[ 234.342866][ T5476] kobject_add_internal+0x662/0xd00
[ 234.348063][ T5476] kobject_init_and_add+0x122/0x190
[ 234.353363][ T5476] ? lockdep_softirqs_off+0x420/0x420
[ 234.359094][ T5476] ? kobject_add+0x210/0x210
[ 234.363679][ T5476] ? __init_swait_queue_head+0xa5/0x150
[ 234.369216][ T5476] gfs2_sys_fs_add+0x234/0x480
[ 234.373990][ T5476] ? gfs2_recover_set+0x240/0x240
[ 234.378999][ T5476] ? snprintf+0xd7/0x120
[ 234.383225][ T5476] ? __free_pages+0x95/0x1a0
[ 234.387886][ T5476] ? vscnprintf+0x80/0x80
[ 234.392231][ T5476] gfs2_fill_super+0x128d/0x1f50
[ 234.397184][ T5476] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.402295][ T5476] ? preempt_count_add+0x8d/0x190
[ 234.407307][ T5476] ? sb_set_blocksize+0xa5/0xe0
[ 234.412242][ T5476] get_tree_bdev+0x3f1/0x610
[ 234.416907][ T5476] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.421921][ T5476] gfs2_get_tree+0x4d/0x1e0
[ 234.426418][ T5476] vfs_get_tree+0x88/0x270
[ 234.430856][ T5476] do_new_mount+0x24a/0xa40
[ 234.435345][ T5476] __se_sys_mount+0x2d6/0x3c0
[ 234.440008][ T5476] ? __x64_sys_mount+0xc0/0xc0
[ 234.444772][ T5476] ? lockdep_hardirqs_on+0x94/0x140
[ 234.449974][ T5476] ? __x64_sys_mount+0x1c/0xc0
[ 234.454750][ T5476] do_syscall_64+0x4c/0xa0
[ 234.459147][ T5476] ? clear_bhb_loop+0x30/0x80
[ 234.463823][ T5476] ? clear_bhb_loop+0x30/0x80
[ 234.468595][ T5476] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.474503][ T5476] RIP: 0033:0x7ff47f61f38a
[ 234.478901][ T5476] 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
[ 234.498493][ T5476] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.506908][ T5476] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 234.514882][ T5476] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 234.522930][ T5476] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 234.530889][ T5476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.538851][ T5476] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.546935][ T5476]
[ 234.556204][ T5476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.569970][ T5476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.906561][ T5478] loop1: detected capacity change from 0 to 32768
[ 234.946783][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.954213][ T5478] CPU: 0 PID: 5478 Comm: syz.1.193 Not tainted syzkaller #0
[ 234.961496][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.971559][ T5478] Call Trace:
[ 234.974851][ T5478]
[ 234.977792][ T5478] dump_stack_lvl+0x168/0x230
[ 234.982494][ T5478] ? show_regs_print_info+0x20/0x20
[ 234.987714][ T5478] ? load_image+0x3b0/0x3b0
[ 234.992249][ T5478] sysfs_create_dir_ns+0x252/0x280
[ 234.997381][ T5478] ? __lock_acquire+0x7c60/0x7c60
[ 235.002429][ T5478] ? sysfs_warn_dup+0xa0/0xa0
[ 235.007128][ T5478] ? do_raw_spin_unlock+0x11d/0x230
[ 235.012450][ T5478] kobject_add_internal+0x662/0xd00
[ 235.017672][ T5478] kobject_init_and_add+0x122/0x190
[ 235.022880][ T5478] ? lockdep_softirqs_off+0x420/0x420
[ 235.028268][ T5478] ? kobject_add+0x210/0x210
[ 235.032877][ T5478] ? __init_swait_queue_head+0xa5/0x150
[ 235.038455][ T5478] gfs2_sys_fs_add+0x234/0x480
[ 235.043234][ T5478] ? gfs2_recover_set+0x240/0x240
[ 235.048250][ T5478] ? snprintf+0xd7/0x120
[ 235.052484][ T5478] ? __free_pages+0x95/0x1a0
[ 235.057170][ T5478] ? vscnprintf+0x80/0x80
[ 235.061513][ T5478] gfs2_fill_super+0x128d/0x1f50
[ 235.066502][ T5478] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.071530][ T5478] ? preempt_count_add+0x8d/0x190
[ 235.076643][ T5478] ? sb_set_blocksize+0xa5/0xe0
[ 235.081487][ T5478] get_tree_bdev+0x3f1/0x610
[ 235.086066][ T5478] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.091073][ T5478] gfs2_get_tree+0x4d/0x1e0
[ 235.095553][ T5478] vfs_get_tree+0x88/0x270
[ 235.099954][ T5478] do_new_mount+0x24a/0xa40
[ 235.105110][ T5478] __se_sys_mount+0x2d6/0x3c0
[ 235.109818][ T5478] ? __x64_sys_mount+0xc0/0xc0
[ 235.114584][ T5478] ? lockdep_hardirqs_on+0x94/0x140
[ 235.119858][ T5478] ? __x64_sys_mount+0x1c/0xc0
[ 235.124610][ T5478] do_syscall_64+0x4c/0xa0
[ 235.129107][ T5478] ? clear_bhb_loop+0x30/0x80
[ 235.133770][ T5478] ? clear_bhb_loop+0x30/0x80
[ 235.138429][ T5478] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.144319][ T5478] RIP: 0033:0x7ff47f61f38a
[ 235.148717][ T5478] 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
[ 235.168719][ T5478] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.177123][ T5478] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 235.185341][ T5478] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 235.193295][ T5478] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 235.201290][ T5478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.209256][ T5478] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.217338][ T5478]
[ 235.223497][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.236867][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:24:53 executed programs: 179
[ 235.573794][ T5480] loop1: detected capacity change from 0 to 32768
[ 235.592380][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.600308][ T5480] CPU: 0 PID: 5480 Comm: syz.1.194 Not tainted syzkaller #0
[ 235.607609][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.617861][ T5480] Call Trace:
[ 235.621231][ T5480]
[ 235.624160][ T5480] dump_stack_lvl+0x168/0x230
[ 235.628852][ T5480] ? show_regs_print_info+0x20/0x20
[ 235.634067][ T5480] ? load_image+0x3b0/0x3b0
[ 235.638597][ T5480] sysfs_create_dir_ns+0x252/0x280
[ 235.643725][ T5480] ? __lock_acquire+0x7c60/0x7c60
[ 235.648759][ T5480] ? sysfs_warn_dup+0xa0/0xa0
[ 235.653448][ T5480] ? do_raw_spin_unlock+0x11d/0x230
[ 235.658747][ T5480] kobject_add_internal+0x662/0xd00
[ 235.663977][ T5480] kobject_init_and_add+0x122/0x190
[ 235.669186][ T5480] ? lockdep_softirqs_off+0x420/0x420
[ 235.674554][ T5480] ? kobject_add+0x210/0x210
[ 235.679132][ T5480] ? __init_swait_queue_head+0xa5/0x150
[ 235.684767][ T5480] gfs2_sys_fs_add+0x234/0x480
[ 235.689537][ T5480] ? gfs2_recover_set+0x240/0x240
[ 235.694546][ T5480] ? snprintf+0xd7/0x120
[ 235.698790][ T5480] ? __free_pages+0x95/0x1a0
[ 235.703370][ T5480] ? vscnprintf+0x80/0x80
[ 235.707782][ T5480] gfs2_fill_super+0x128d/0x1f50
[ 235.712717][ T5480] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.717723][ T5480] ? preempt_count_add+0x8d/0x190
[ 235.722740][ T5480] ? sb_set_blocksize+0xa5/0xe0
[ 235.727585][ T5480] get_tree_bdev+0x3f1/0x610
[ 235.732162][ T5480] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.737174][ T5480] gfs2_get_tree+0x4d/0x1e0
[ 235.741660][ T5480] vfs_get_tree+0x88/0x270
[ 235.746065][ T5480] do_new_mount+0x24a/0xa40
[ 235.750553][ T5480] __se_sys_mount+0x2d6/0x3c0
[ 235.755221][ T5480] ? __x64_sys_mount+0xc0/0xc0
[ 235.760256][ T5480] ? lockdep_hardirqs_on+0x94/0x140
[ 235.765440][ T5480] ? __x64_sys_mount+0x1c/0xc0
[ 235.770190][ T5480] do_syscall_64+0x4c/0xa0
[ 235.774584][ T5480] ? clear_bhb_loop+0x30/0x80
[ 235.779341][ T5480] ? clear_bhb_loop+0x30/0x80
[ 235.784052][ T5480] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.790053][ T5480] RIP: 0033:0x7ff47f61f38a
[ 235.794465][ T5480] 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
[ 235.814495][ T5480] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.822898][ T5480] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 235.830951][ T5480] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 235.839354][ T5480] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 235.847397][ T5480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.855357][ T5480] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.863608][ T5480]
[ 235.868377][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.881542][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.206478][ T5482] loop1: detected capacity change from 0 to 32768
[ 236.253892][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.261580][ T5482] CPU: 0 PID: 5482 Comm: syz.1.195 Not tainted syzkaller #0
[ 236.268891][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 236.278984][ T5482] Call Trace:
[ 236.282274][ T5482]
[ 236.285221][ T5482] dump_stack_lvl+0x168/0x230
[ 236.289928][ T5482] ? show_regs_print_info+0x20/0x20
[ 236.295150][ T5482] ? load_image+0x3b0/0x3b0
[ 236.299681][ T5482] sysfs_create_dir_ns+0x252/0x280
[ 236.304820][ T5482] ? __lock_acquire+0x7c60/0x7c60
[ 236.309862][ T5482] ? sysfs_warn_dup+0xa0/0xa0
[ 236.314552][ T5482] ? do_raw_spin_unlock+0x11d/0x230
[ 236.319762][ T5482] kobject_add_internal+0x662/0xd00
[ 236.324982][ T5482] kobject_init_and_add+0x122/0x190
[ 236.330187][ T5482] ? lockdep_softirqs_off+0x420/0x420
[ 236.335573][ T5482] ? kobject_add+0x210/0x210
[ 236.340570][ T5482] ? __init_swait_queue_head+0xa5/0x150
[ 236.346117][ T5482] gfs2_sys_fs_add+0x234/0x480
[ 236.350916][ T5482] ? gfs2_recover_set+0x240/0x240
[ 236.355940][ T5482] ? snprintf+0xd7/0x120
[ 236.360184][ T5482] ? __free_pages+0x95/0x1a0
[ 236.364877][ T5482] ? vscnprintf+0x80/0x80
[ 236.369247][ T5482] gfs2_fill_super+0x128d/0x1f50
[ 236.374196][ T5482] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.379210][ T5482] ? preempt_count_add+0x8d/0x190
[ 236.384225][ T5482] ? sb_set_blocksize+0xa5/0xe0
[ 236.389063][ T5482] get_tree_bdev+0x3f1/0x610
[ 236.393821][ T5482] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.398837][ T5482] gfs2_get_tree+0x4d/0x1e0
[ 236.403323][ T5482] vfs_get_tree+0x88/0x270
[ 236.407723][ T5482] do_new_mount+0x24a/0xa40
[ 236.412211][ T5482] __se_sys_mount+0x2d6/0x3c0
[ 236.416871][ T5482] ? __x64_sys_mount+0xc0/0xc0
[ 236.421622][ T5482] ? lockdep_hardirqs_on+0x94/0x140
[ 236.426802][ T5482] ? __x64_sys_mount+0x1c/0xc0
[ 236.431548][ T5482] do_syscall_64+0x4c/0xa0
[ 236.435969][ T5482] ? clear_bhb_loop+0x30/0x80
[ 236.440627][ T5482] ? clear_bhb_loop+0x30/0x80
[ 236.445324][ T5482] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.451219][ T5482] RIP: 0033:0x7ff47f61f38a
[ 236.455639][ T5482] 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
[ 236.475497][ T5482] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.483985][ T5482] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 236.491952][ T5482] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 236.499908][ T5482] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 236.507893][ T5482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.515883][ T5482] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.523891][ T5482]
[ 236.528912][ T5482] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.542093][ T5482] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.841643][ T5484] loop1: detected capacity change from 0 to 32768
[ 236.894565][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.902157][ T5484] CPU: 1 PID: 5484 Comm: syz.1.196 Not tainted syzkaller #0
[ 236.909540][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 236.919835][ T5484] Call Trace:
[ 236.923123][ T5484]
[ 236.926209][ T5484] dump_stack_lvl+0x168/0x230
[ 236.930932][ T5484] ? show_regs_print_info+0x20/0x20
[ 236.936147][ T5484] ? load_image+0x3b0/0x3b0
[ 236.940682][ T5484] sysfs_create_dir_ns+0x252/0x280
[ 236.945818][ T5484] ? __lock_acquire+0x7c60/0x7c60
[ 236.950888][ T5484] ? sysfs_warn_dup+0xa0/0xa0
[ 236.955686][ T5484] ? do_raw_spin_unlock+0x11d/0x230
[ 236.960991][ T5484] kobject_add_internal+0x662/0xd00
[ 236.966229][ T5484] kobject_init_and_add+0x122/0x190
[ 236.971441][ T5484] ? lockdep_softirqs_off+0x420/0x420
[ 236.976838][ T5484] ? kobject_add+0x210/0x210
[ 236.981442][ T5484] ? __init_swait_queue_head+0xa5/0x150
[ 236.986987][ T5484] gfs2_sys_fs_add+0x234/0x480
[ 236.991738][ T5484] ? gfs2_recover_set+0x240/0x240
[ 236.996748][ T5484] ? snprintf+0xd7/0x120
[ 237.001095][ T5484] ? __free_pages+0x95/0x1a0
[ 237.005682][ T5484] ? vscnprintf+0x80/0x80
[ 237.010007][ T5484] gfs2_fill_super+0x128d/0x1f50
[ 237.014934][ T5484] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.019957][ T5484] ? preempt_count_add+0x8d/0x190
[ 237.024977][ T5484] ? sb_set_blocksize+0xa5/0xe0
[ 237.029841][ T5484] get_tree_bdev+0x3f1/0x610
[ 237.034453][ T5484] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.039483][ T5484] gfs2_get_tree+0x4d/0x1e0
[ 237.043979][ T5484] vfs_get_tree+0x88/0x270
[ 237.048378][ T5484] do_new_mount+0x24a/0xa40
[ 237.053071][ T5484] __se_sys_mount+0x2d6/0x3c0
[ 237.057859][ T5484] ? __x64_sys_mount+0xc0/0xc0
[ 237.062630][ T5484] ? lockdep_hardirqs_on+0x94/0x140
[ 237.067823][ T5484] ? __x64_sys_mount+0x1c/0xc0
[ 237.072580][ T5484] do_syscall_64+0x4c/0xa0
[ 237.076982][ T5484] ? clear_bhb_loop+0x30/0x80
[ 237.081642][ T5484] ? clear_bhb_loop+0x30/0x80
[ 237.086303][ T5484] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.092203][ T5484] RIP: 0033:0x7ff47f61f38a
[ 237.096619][ T5484] 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
[ 237.116220][ T5484] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.124653][ T5484] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 237.132621][ T5484] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 237.140595][ T5484] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 237.148548][ T5484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.156591][ T5484] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.164571][ T5484]
[ 237.168052][ T5484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.181809][ T5484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.496100][ T5486] loop1: detected capacity change from 0 to 32768
[ 237.543481][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.551048][ T5486] CPU: 1 PID: 5486 Comm: syz.1.197 Not tainted syzkaller #0
[ 237.558517][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 237.568585][ T5486] Call Trace:
[ 237.571874][ T5486]
[ 237.574820][ T5486] dump_stack_lvl+0x168/0x230
[ 237.579518][ T5486] ? show_regs_print_info+0x20/0x20
[ 237.584873][ T5486] ? load_image+0x3b0/0x3b0
[ 237.589490][ T5486] sysfs_create_dir_ns+0x252/0x280
[ 237.594615][ T5486] ? __lock_acquire+0x7c60/0x7c60
[ 237.599653][ T5486] ? sysfs_warn_dup+0xa0/0xa0
[ 237.604443][ T5486] ? do_raw_spin_unlock+0x11d/0x230
[ 237.609663][ T5486] kobject_add_internal+0x662/0xd00
[ 237.615025][ T5486] kobject_init_and_add+0x122/0x190
[ 237.620255][ T5486] ? lockdep_softirqs_off+0x420/0x420
[ 237.625627][ T5486] ? kobject_add+0x210/0x210
[ 237.630203][ T5486] ? __init_swait_queue_head+0xa5/0x150
[ 237.635813][ T5486] gfs2_sys_fs_add+0x234/0x480
[ 237.640829][ T5486] ? gfs2_recover_set+0x240/0x240
[ 237.646370][ T5486] ? snprintf+0xd7/0x120
[ 237.650639][ T5486] ? __free_pages+0x95/0x1a0
[ 237.655258][ T5486] ? vscnprintf+0x80/0x80
[ 237.659684][ T5486] gfs2_fill_super+0x128d/0x1f50
[ 237.664703][ T5486] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.669889][ T5486] ? preempt_count_add+0x8d/0x190
[ 237.674915][ T5486] ? sb_set_blocksize+0xa5/0xe0
[ 237.679758][ T5486] get_tree_bdev+0x3f1/0x610
[ 237.684333][ T5486] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.689441][ T5486] gfs2_get_tree+0x4d/0x1e0
[ 237.694002][ T5486] vfs_get_tree+0x88/0x270
[ 237.698671][ T5486] do_new_mount+0x24a/0xa40
[ 237.703161][ T5486] __se_sys_mount+0x2d6/0x3c0
[ 237.707829][ T5486] ? __x64_sys_mount+0xc0/0xc0
[ 237.712613][ T5486] ? lockdep_hardirqs_on+0x94/0x140
[ 237.717835][ T5486] ? __x64_sys_mount+0x1c/0xc0
[ 237.722693][ T5486] do_syscall_64+0x4c/0xa0
[ 237.727105][ T5486] ? clear_bhb_loop+0x30/0x80
[ 237.731892][ T5486] ? clear_bhb_loop+0x30/0x80
[ 237.736563][ T5486] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.742538][ T5486] RIP: 0033:0x7ff47f61f38a
[ 237.747107][ T5486] 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
[ 237.767195][ T5486] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.775792][ T5486] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 237.783778][ T5486] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 237.791909][ T5486] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 237.800068][ T5486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.808136][ T5486] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.816255][ T5486]
[ 237.826471][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.839946][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.153392][ T5488] loop1: detected capacity change from 0 to 32768
[ 238.164284][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.171913][ T5488] CPU: 0 PID: 5488 Comm: syz.1.198 Not tainted syzkaller #0
[ 238.179331][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 238.189881][ T5488] Call Trace:
[ 238.193192][ T5488]
[ 238.196127][ T5488] dump_stack_lvl+0x168/0x230
[ 238.200826][ T5488] ? show_regs_print_info+0x20/0x20
[ 238.206180][ T5488] ? load_image+0x3b0/0x3b0
[ 238.210685][ T5488] sysfs_create_dir_ns+0x252/0x280
[ 238.215791][ T5488] ? __lock_acquire+0x7c60/0x7c60
[ 238.220887][ T5488] ? sysfs_warn_dup+0xa0/0xa0
[ 238.225569][ T5488] ? do_raw_spin_unlock+0x11d/0x230
[ 238.230847][ T5488] kobject_add_internal+0x662/0xd00
[ 238.236118][ T5488] kobject_init_and_add+0x122/0x190
[ 238.241309][ T5488] ? lockdep_softirqs_off+0x420/0x420
[ 238.246669][ T5488] ? kobject_add+0x210/0x210
[ 238.251241][ T5488] ? __init_swait_queue_head+0xa5/0x150
[ 238.256782][ T5488] gfs2_sys_fs_add+0x234/0x480
[ 238.261531][ T5488] ? gfs2_recover_set+0x240/0x240
[ 238.266532][ T5488] ? snprintf+0xd7/0x120
[ 238.270769][ T5488] ? __free_pages+0x95/0x1a0
[ 238.275338][ T5488] ? vscnprintf+0x80/0x80
[ 238.279648][ T5488] gfs2_fill_super+0x128d/0x1f50
[ 238.284572][ T5488] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.289578][ T5488] ? preempt_count_add+0x8d/0x190
[ 238.294590][ T5488] ? sb_set_blocksize+0xa5/0xe0
[ 238.299430][ T5488] get_tree_bdev+0x3f1/0x610
[ 238.304000][ T5488] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.309119][ T5488] gfs2_get_tree+0x4d/0x1e0
[ 238.313621][ T5488] vfs_get_tree+0x88/0x270
[ 238.318023][ T5488] do_new_mount+0x24a/0xa40
[ 238.322508][ T5488] __se_sys_mount+0x2d6/0x3c0
[ 238.327170][ T5488] ? __x64_sys_mount+0xc0/0xc0
[ 238.331915][ T5488] ? lockdep_hardirqs_on+0x94/0x140
[ 238.337088][ T5488] ? __x64_sys_mount+0x1c/0xc0
[ 238.341835][ T5488] do_syscall_64+0x4c/0xa0
[ 238.346230][ T5488] ? clear_bhb_loop+0x30/0x80
[ 238.350885][ T5488] ? clear_bhb_loop+0x30/0x80
[ 238.355537][ T5488] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.361408][ T5488] RIP: 0033:0x7ff47f61f38a
[ 238.366238][ T5488] 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
[ 238.385955][ T5488] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.394355][ T5488] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 238.402344][ T5488] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 238.410298][ T5488] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 238.418251][ T5488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.426202][ T5488] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.434172][ T5488]
[ 238.438993][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.452276][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.758618][ T5490] loop1: detected capacity change from 0 to 32768
[ 238.814660][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.822214][ T5490] CPU: 1 PID: 5490 Comm: syz.1.199 Not tainted syzkaller #0
[ 238.829529][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 238.839700][ T5490] Call Trace:
[ 238.842998][ T5490]
[ 238.845932][ T5490] dump_stack_lvl+0x168/0x230
[ 238.850649][ T5490] ? show_regs_print_info+0x20/0x20
[ 238.855870][ T5490] ? load_image+0x3b0/0x3b0
[ 238.860493][ T5490] sysfs_create_dir_ns+0x252/0x280
[ 238.865606][ T5490] ? __lock_acquire+0x7c60/0x7c60
[ 238.870752][ T5490] ? sysfs_warn_dup+0xa0/0xa0
[ 238.875464][ T5490] ? do_raw_spin_unlock+0x11d/0x230
[ 238.880687][ T5490] kobject_add_internal+0x662/0xd00
[ 238.885909][ T5490] kobject_init_and_add+0x122/0x190
[ 238.891124][ T5490] ? lockdep_softirqs_off+0x420/0x420
[ 238.896517][ T5490] ? kobject_add+0x210/0x210
[ 238.901124][ T5490] ? __init_swait_queue_head+0xa5/0x150
[ 238.906694][ T5490] gfs2_sys_fs_add+0x234/0x480
[ 238.911476][ T5490] ? gfs2_recover_set+0x240/0x240
[ 238.916513][ T5490] ? snprintf+0xd7/0x120
[ 238.920872][ T5490] ? __free_pages+0x95/0x1a0
[ 238.925685][ T5490] ? vscnprintf+0x80/0x80
[ 238.930258][ T5490] gfs2_fill_super+0x128d/0x1f50
[ 238.935208][ T5490] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.940218][ T5490] ? preempt_count_add+0x8d/0x190
[ 238.945425][ T5490] ? sb_set_blocksize+0xa5/0xe0
[ 238.950809][ T5490] get_tree_bdev+0x3f1/0x610
[ 238.956123][ T5490] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.961233][ T5490] gfs2_get_tree+0x4d/0x1e0
[ 238.965834][ T5490] vfs_get_tree+0x88/0x270
[ 238.970622][ T5490] do_new_mount+0x24a/0xa40
[ 238.975121][ T5490] __se_sys_mount+0x2d6/0x3c0
[ 238.979805][ T5490] ? __x64_sys_mount+0xc0/0xc0
[ 238.984561][ T5490] ? lockdep_hardirqs_on+0x94/0x140
[ 238.989760][ T5490] ? __x64_sys_mount+0x1c/0xc0
[ 238.994522][ T5490] do_syscall_64+0x4c/0xa0
[ 238.998924][ T5490] ? clear_bhb_loop+0x30/0x80
[ 239.003597][ T5490] ? clear_bhb_loop+0x30/0x80
[ 239.008346][ T5490] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.014267][ T5490] RIP: 0033:0x7ff47f61f38a
[ 239.018674][ T5490] 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
[ 239.038481][ T5490] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.047225][ T5490] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 239.055189][ T5490] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 239.063411][ T5490] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 239.071384][ T5490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.079348][ T5490] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.087328][ T5490]
[ 239.094075][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.109051][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.439610][ T5492] loop1: detected capacity change from 0 to 32768
[ 239.512810][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.521205][ T5492] CPU: 0 PID: 5492 Comm: syz.1.200 Not tainted syzkaller #0
[ 239.528526][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 239.538760][ T5492] Call Trace:
[ 239.542235][ T5492]
[ 239.545174][ T5492] dump_stack_lvl+0x168/0x230
[ 239.549921][ T5492] ? show_regs_print_info+0x20/0x20
[ 239.555270][ T5492] ? load_image+0x3b0/0x3b0
[ 239.559860][ T5492] sysfs_create_dir_ns+0x252/0x280
[ 239.565104][ T5492] ? __lock_acquire+0x7c60/0x7c60
[ 239.570174][ T5492] ? sysfs_warn_dup+0xa0/0xa0
[ 239.574868][ T5492] ? do_raw_spin_unlock+0x11d/0x230
[ 239.580427][ T5492] kobject_add_internal+0x662/0xd00
[ 239.585654][ T5492] kobject_init_and_add+0x122/0x190
[ 239.590866][ T5492] ? lockdep_softirqs_off+0x420/0x420
[ 239.596267][ T5492] ? kobject_add+0x210/0x210
[ 239.600875][ T5492] ? __init_swait_queue_head+0xa5/0x150
[ 239.606433][ T5492] gfs2_sys_fs_add+0x234/0x480
[ 239.611200][ T5492] ? gfs2_recover_set+0x240/0x240
[ 239.616207][ T5492] ? snprintf+0xd7/0x120
[ 239.620552][ T5492] ? __free_pages+0x95/0x1a0
[ 239.625135][ T5492] ? vscnprintf+0x80/0x80
[ 239.629473][ T5492] gfs2_fill_super+0x128d/0x1f50
[ 239.634407][ T5492] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.639432][ T5492] ? preempt_count_add+0x8d/0x190
[ 239.644457][ T5492] ? sb_set_blocksize+0xa5/0xe0
[ 239.649317][ T5492] get_tree_bdev+0x3f1/0x610
[ 239.653898][ T5492] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.658903][ T5492] gfs2_get_tree+0x4d/0x1e0
[ 239.663480][ T5492] vfs_get_tree+0x88/0x270
[ 239.667881][ T5492] do_new_mount+0x24a/0xa40
[ 239.672396][ T5492] __se_sys_mount+0x2d6/0x3c0
[ 239.677072][ T5492] ? __x64_sys_mount+0xc0/0xc0
[ 239.681845][ T5492] ? lockdep_hardirqs_on+0x94/0x140
[ 239.687021][ T5492] ? __x64_sys_mount+0x1c/0xc0
[ 239.691854][ T5492] do_syscall_64+0x4c/0xa0
[ 239.696269][ T5492] ? clear_bhb_loop+0x30/0x80
[ 239.701025][ T5492] ? clear_bhb_loop+0x30/0x80
[ 239.705776][ T5492] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.711650][ T5492] RIP: 0033:0x7ff47f61f38a
[ 239.716067][ T5492] 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
[ 239.735664][ T5492] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.744070][ T5492] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 239.752109][ T5492] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 239.760088][ T5492] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 239.768051][ T5492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.776008][ T5492] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.783969][ T5492]
[ 239.789145][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.802311][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.099647][ T5494] loop1: detected capacity change from 0 to 32768
[ 240.141179][ T5494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.151836][ T5494] CPU: 0 PID: 5494 Comm: syz.1.201 Not tainted syzkaller #0
[ 240.159162][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 240.169228][ T5494] Call Trace:
[ 240.172581][ T5494]
[ 240.175535][ T5494] dump_stack_lvl+0x168/0x230
[ 240.180326][ T5494] ? show_regs_print_info+0x20/0x20
[ 240.185555][ T5494] ? load_image+0x3b0/0x3b0
[ 240.190364][ T5494] sysfs_create_dir_ns+0x252/0x280
[ 240.195597][ T5494] ? __lock_acquire+0x7c60/0x7c60
[ 240.200763][ T5494] ? sysfs_warn_dup+0xa0/0xa0
[ 240.205473][ T5494] ? do_raw_spin_unlock+0x11d/0x230
[ 240.210894][ T5494] kobject_add_internal+0x662/0xd00
[ 240.216203][ T5494] kobject_init_and_add+0x122/0x190
[ 240.221416][ T5494] ? lockdep_softirqs_off+0x420/0x420
[ 240.226895][ T5494] ? kobject_add+0x210/0x210
[ 240.231623][ T5494] ? __init_swait_queue_head+0xa5/0x150
[ 240.237196][ T5494] gfs2_sys_fs_add+0x234/0x480
[ 240.241982][ T5494] ? gfs2_recover_set+0x240/0x240
[ 240.247025][ T5494] ? snprintf+0xd7/0x120
[ 240.251258][ T5494] ? __free_pages+0x95/0x1a0
[ 240.255933][ T5494] ? vscnprintf+0x80/0x80
[ 240.260298][ T5494] gfs2_fill_super+0x128d/0x1f50
[ 240.265314][ T5494] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.270320][ T5494] ? preempt_count_add+0x8d/0x190
[ 240.275340][ T5494] ? sb_set_blocksize+0xa5/0xe0
[ 240.280185][ T5494] get_tree_bdev+0x3f1/0x610
[ 240.284760][ T5494] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.289794][ T5494] gfs2_get_tree+0x4d/0x1e0
[ 240.294398][ T5494] vfs_get_tree+0x88/0x270
[ 240.298823][ T5494] do_new_mount+0x24a/0xa40
[ 240.303347][ T5494] __se_sys_mount+0x2d6/0x3c0
[ 240.308023][ T5494] ? __x64_sys_mount+0xc0/0xc0
[ 240.312878][ T5494] ? lockdep_hardirqs_on+0x94/0x140
[ 240.318066][ T5494] ? __x64_sys_mount+0x1c/0xc0
[ 240.322814][ T5494] do_syscall_64+0x4c/0xa0
[ 240.327236][ T5494] ? clear_bhb_loop+0x30/0x80
[ 240.331894][ T5494] ? clear_bhb_loop+0x30/0x80
[ 240.336916][ T5494] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.342984][ T5494] RIP: 0033:0x7ff47f61f38a
[ 240.347666][ T5494] 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
[ 240.368349][ T5494] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.377466][ T5494] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 240.385453][ T5494] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 240.393409][ T5494] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 240.401366][ T5494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.409442][ T5494] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.417421][ T5494]
[ 240.423646][ T5494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.437057][ T5494] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:24:58 executed programs: 187
[ 240.771633][ T5496] loop1: detected capacity change from 0 to 32768
[ 240.835028][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.842433][ T5496] CPU: 0 PID: 5496 Comm: syz.1.202 Not tainted syzkaller #0
[ 240.849732][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 240.859798][ T5496] Call Trace:
[ 240.863106][ T5496]
[ 240.866046][ T5496] dump_stack_lvl+0x168/0x230
[ 240.870748][ T5496] ? show_regs_print_info+0x20/0x20
[ 240.875978][ T5496] ? load_image+0x3b0/0x3b0
[ 240.880507][ T5496] sysfs_create_dir_ns+0x252/0x280
[ 240.885642][ T5496] ? __lock_acquire+0x7c60/0x7c60
[ 240.890684][ T5496] ? sysfs_warn_dup+0xa0/0xa0
[ 240.895382][ T5496] ? do_raw_spin_unlock+0x11d/0x230
[ 240.900738][ T5496] kobject_add_internal+0x662/0xd00
[ 240.905968][ T5496] kobject_init_and_add+0x122/0x190
[ 240.911185][ T5496] ? lockdep_softirqs_off+0x420/0x420
[ 240.916551][ T5496] ? kobject_add+0x210/0x210
[ 240.921130][ T5496] ? __init_swait_queue_head+0xa5/0x150
[ 240.926677][ T5496] gfs2_sys_fs_add+0x234/0x480
[ 240.931527][ T5496] ? gfs2_recover_set+0x240/0x240
[ 240.936587][ T5496] ? snprintf+0xd7/0x120
[ 240.940862][ T5496] ? __free_pages+0x95/0x1a0
[ 240.945454][ T5496] ? vscnprintf+0x80/0x80
[ 240.950001][ T5496] gfs2_fill_super+0x128d/0x1f50
[ 240.955035][ T5496] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.960228][ T5496] ? preempt_count_add+0x8d/0x190
[ 240.965253][ T5496] ? sb_set_blocksize+0xa5/0xe0
[ 240.970089][ T5496] get_tree_bdev+0x3f1/0x610
[ 240.974672][ T5496] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.979691][ T5496] gfs2_get_tree+0x4d/0x1e0
[ 240.984186][ T5496] vfs_get_tree+0x88/0x270
[ 240.988592][ T5496] do_new_mount+0x24a/0xa40
[ 240.993086][ T5496] __se_sys_mount+0x2d6/0x3c0
[ 240.997744][ T5496] ? __x64_sys_mount+0xc0/0xc0
[ 241.002500][ T5496] ? lockdep_hardirqs_on+0x94/0x140
[ 241.007676][ T5496] ? __x64_sys_mount+0x1c/0xc0
[ 241.012432][ T5496] do_syscall_64+0x4c/0xa0
[ 241.016839][ T5496] ? clear_bhb_loop+0x30/0x80
[ 241.021590][ T5496] ? clear_bhb_loop+0x30/0x80
[ 241.026274][ T5496] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.032243][ T5496] RIP: 0033:0x7ff47f61f38a
[ 241.036643][ T5496] 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
[ 241.056234][ T5496] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.064720][ T5496] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 241.072675][ T5496] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 241.080731][ T5496] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 241.088696][ T5496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.096679][ T5496] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.104733][ T5496]
[ 241.109571][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.122743][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.468137][ T5498] loop1: detected capacity change from 0 to 32768
[ 241.545706][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.553161][ T5498] CPU: 0 PID: 5498 Comm: syz.1.203 Not tainted syzkaller #0
[ 241.560459][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 241.570614][ T5498] Call Trace:
[ 241.573944][ T5498]
[ 241.576878][ T5498] dump_stack_lvl+0x168/0x230
[ 241.581661][ T5498] ? show_regs_print_info+0x20/0x20
[ 241.586972][ T5498] ? load_image+0x3b0/0x3b0
[ 241.591503][ T5498] sysfs_create_dir_ns+0x252/0x280
[ 241.596628][ T5498] ? __lock_acquire+0x7c60/0x7c60
[ 241.601818][ T5498] ? sysfs_warn_dup+0xa0/0xa0
[ 241.606511][ T5498] ? do_raw_spin_unlock+0x11d/0x230
[ 241.611722][ T5498] kobject_add_internal+0x662/0xd00
[ 241.617031][ T5498] kobject_init_and_add+0x122/0x190
[ 241.622251][ T5498] ? lockdep_softirqs_off+0x420/0x420
[ 241.627735][ T5498] ? kobject_add+0x210/0x210
[ 241.632363][ T5498] ? __init_swait_queue_head+0xa5/0x150
[ 241.637896][ T5498] gfs2_sys_fs_add+0x234/0x480
[ 241.642692][ T5498] ? gfs2_recover_set+0x240/0x240
[ 241.647715][ T5498] ? snprintf+0xd7/0x120
[ 241.652381][ T5498] ? __free_pages+0x95/0x1a0
[ 241.656960][ T5498] ? vscnprintf+0x80/0x80
[ 241.661277][ T5498] gfs2_fill_super+0x128d/0x1f50
[ 241.666215][ T5498] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.671231][ T5498] ? preempt_count_add+0x8d/0x190
[ 241.676515][ T5498] ? sb_set_blocksize+0xa5/0xe0
[ 241.681364][ T5498] get_tree_bdev+0x3f1/0x610
[ 241.685947][ T5498] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.690974][ T5498] gfs2_get_tree+0x4d/0x1e0
[ 241.695614][ T5498] vfs_get_tree+0x88/0x270
[ 241.700043][ T5498] do_new_mount+0x24a/0xa40
[ 241.704557][ T5498] __se_sys_mount+0x2d6/0x3c0
[ 241.709278][ T5498] ? __x64_sys_mount+0xc0/0xc0
[ 241.714051][ T5498] ? lockdep_hardirqs_on+0x94/0x140
[ 241.719246][ T5498] ? __x64_sys_mount+0x1c/0xc0
[ 241.724012][ T5498] do_syscall_64+0x4c/0xa0
[ 241.728497][ T5498] ? clear_bhb_loop+0x30/0x80
[ 241.733187][ T5498] ? clear_bhb_loop+0x30/0x80
[ 241.737858][ T5498] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.743737][ T5498] RIP: 0033:0x7ff47f61f38a
[ 241.748145][ T5498] 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
[ 241.768523][ T5498] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.776932][ T5498] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 241.784898][ T5498] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 241.792866][ T5498] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 241.800816][ T5498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.809003][ T5498] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.816995][ T5498]
[ 241.821813][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.835238][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.141930][ T5500] loop1: detected capacity change from 0 to 32768
[ 242.203778][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.211975][ T5500] CPU: 0 PID: 5500 Comm: syz.1.204 Not tainted syzkaller #0
[ 242.219296][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 242.229361][ T5500] Call Trace:
[ 242.232655][ T5500]
[ 242.235686][ T5500] dump_stack_lvl+0x168/0x230
[ 242.240386][ T5500] ? show_regs_print_info+0x20/0x20
[ 242.245596][ T5500] ? load_image+0x3b0/0x3b0
[ 242.250498][ T5500] sysfs_create_dir_ns+0x252/0x280
[ 242.255644][ T5500] ? __lock_acquire+0x7c60/0x7c60
[ 242.260682][ T5500] ? sysfs_warn_dup+0xa0/0xa0
[ 242.265402][ T5500] ? do_raw_spin_unlock+0x11d/0x230
[ 242.270619][ T5500] kobject_add_internal+0x662/0xd00
[ 242.275837][ T5500] kobject_init_and_add+0x122/0x190
[ 242.281050][ T5500] ? lockdep_softirqs_off+0x420/0x420
[ 242.286518][ T5500] ? kobject_add+0x210/0x210
[ 242.291100][ T5500] ? __init_swait_queue_head+0xa5/0x150
[ 242.296635][ T5500] gfs2_sys_fs_add+0x234/0x480
[ 242.301380][ T5500] ? gfs2_recover_set+0x240/0x240
[ 242.306380][ T5500] ? snprintf+0xd7/0x120
[ 242.310606][ T5500] ? __free_pages+0x95/0x1a0
[ 242.315180][ T5500] ? vscnprintf+0x80/0x80
[ 242.319511][ T5500] gfs2_fill_super+0x128d/0x1f50
[ 242.324448][ T5500] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.329461][ T5500] ? preempt_count_add+0x8d/0x190
[ 242.334468][ T5500] ? sb_set_blocksize+0xa5/0xe0
[ 242.339298][ T5500] get_tree_bdev+0x3f1/0x610
[ 242.343866][ T5500] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.348866][ T5500] gfs2_get_tree+0x4d/0x1e0
[ 242.353346][ T5500] vfs_get_tree+0x88/0x270
[ 242.357738][ T5500] do_new_mount+0x24a/0xa40
[ 242.362222][ T5500] __se_sys_mount+0x2d6/0x3c0
[ 242.364543][ T21] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.366889][ T5500] ? __x64_sys_mount+0xc0/0xc0
[ 242.377588][ T5500] ? lockdep_hardirqs_on+0x94/0x140
[ 242.382775][ T5500] ? __x64_sys_mount+0x1c/0xc0
[ 242.387535][ T5500] do_syscall_64+0x4c/0xa0
[ 242.391943][ T5500] ? clear_bhb_loop+0x30/0x80
[ 242.396596][ T5500] ? clear_bhb_loop+0x30/0x80
[ 242.401257][ T5500] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.407218][ T5500] RIP: 0033:0x7ff47f61f38a
[ 242.411614][ T5500] 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
[ 242.431327][ T5500] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.439838][ T5500] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 242.447991][ T5500] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 242.456051][ T5500] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 242.464131][ T5500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.472295][ T5500] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.480890][ T5500]
[ 242.485671][ T5500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.499351][ T5500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.827307][ T5502] loop1: detected capacity change from 0 to 32768
[ 242.917124][ T5502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.924650][ T5502] CPU: 1 PID: 5502 Comm: syz.1.205 Not tainted syzkaller #0
[ 242.931951][ T5502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 242.942010][ T5502] Call Trace:
[ 242.945294][ T5502]
[ 242.948251][ T5502] dump_stack_lvl+0x168/0x230
[ 242.953080][ T5502] ? show_regs_print_info+0x20/0x20
[ 242.958313][ T5502] ? load_image+0x3b0/0x3b0
[ 242.962854][ T5502] sysfs_create_dir_ns+0x252/0x280
[ 242.968025][ T5502] ? __lock_acquire+0x7c60/0x7c60
[ 242.973062][ T5502] ? sysfs_warn_dup+0xa0/0xa0
[ 242.977751][ T5502] ? do_raw_spin_unlock+0x11d/0x230
[ 242.982945][ T5502] kobject_add_internal+0x662/0xd00
[ 242.988221][ T5502] kobject_init_and_add+0x122/0x190
[ 242.993404][ T5502] ? lockdep_softirqs_off+0x420/0x420
[ 242.998761][ T5502] ? kobject_add+0x210/0x210
[ 243.003369][ T5502] ? __init_swait_queue_head+0xa5/0x150
[ 243.008915][ T5502] gfs2_sys_fs_add+0x234/0x480
[ 243.013669][ T5502] ? gfs2_recover_set+0x240/0x240
[ 243.018677][ T5502] ? snprintf+0xd7/0x120
[ 243.022950][ T5502] ? __free_pages+0x95/0x1a0
[ 243.027522][ T5502] ? vscnprintf+0x80/0x80
[ 243.031925][ T5502] gfs2_fill_super+0x128d/0x1f50
[ 243.037075][ T5502] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.042113][ T5502] ? preempt_count_add+0x8d/0x190
[ 243.047139][ T5502] ? sb_set_blocksize+0xa5/0xe0
[ 243.051975][ T5502] get_tree_bdev+0x3f1/0x610
[ 243.056559][ T5502] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.061565][ T5502] gfs2_get_tree+0x4d/0x1e0
[ 243.066056][ T5502] vfs_get_tree+0x88/0x270
[ 243.070475][ T5502] do_new_mount+0x24a/0xa40
[ 243.075062][ T5502] __se_sys_mount+0x2d6/0x3c0
[ 243.079726][ T5502] ? __x64_sys_mount+0xc0/0xc0
[ 243.084573][ T5502] ? lockdep_hardirqs_on+0x94/0x140
[ 243.089772][ T5502] ? __x64_sys_mount+0x1c/0xc0
[ 243.094610][ T5502] do_syscall_64+0x4c/0xa0
[ 243.099007][ T5502] ? clear_bhb_loop+0x30/0x80
[ 243.103667][ T5502] ? clear_bhb_loop+0x30/0x80
[ 243.108347][ T5502] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.114233][ T5502] RIP: 0033:0x7ff47f61f38a
[ 243.118643][ T5502] 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
[ 243.138406][ T5502] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.147021][ T5502] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 243.155154][ T5502] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 243.163323][ T5502] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 243.171468][ T5502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.179443][ T5502] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.187452][ T5502]
[ 243.190907][ T5502] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.204865][ T5502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.521253][ T5504] loop1: detected capacity change from 0 to 32768
[ 243.562033][ T5504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.584730][ T5504] CPU: 0 PID: 5504 Comm: syz.1.206 Not tainted syzkaller #0
[ 243.592159][ T5504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 243.602228][ T5504] Call Trace:
[ 243.605512][ T5504]
[ 243.608453][ T5504] dump_stack_lvl+0x168/0x230
[ 243.613420][ T5504] ? show_regs_print_info+0x20/0x20
[ 243.618640][ T5504] ? load_image+0x3b0/0x3b0
[ 243.623338][ T5504] sysfs_create_dir_ns+0x252/0x280
[ 243.628645][ T5504] ? __lock_acquire+0x7c60/0x7c60
[ 243.633681][ T5504] ? sysfs_warn_dup+0xa0/0xa0
[ 243.638596][ T5504] ? do_raw_spin_unlock+0x11d/0x230
[ 243.643903][ T5504] kobject_add_internal+0x662/0xd00
[ 243.649128][ T5504] kobject_init_and_add+0x122/0x190
[ 243.654343][ T5504] ? lockdep_softirqs_off+0x420/0x420
[ 243.659807][ T5504] ? kobject_add+0x210/0x210
[ 243.664387][ T5504] ? __init_swait_queue_head+0xa5/0x150
[ 243.669944][ T5504] gfs2_sys_fs_add+0x234/0x480
[ 243.674702][ T5504] ? gfs2_recover_set+0x240/0x240
[ 243.679718][ T5504] ? snprintf+0xd7/0x120
[ 243.683955][ T5504] ? __free_pages+0x95/0x1a0
[ 243.688709][ T5504] ? vscnprintf+0x80/0x80
[ 243.693031][ T5504] gfs2_fill_super+0x128d/0x1f50
[ 243.697963][ T5504] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.703085][ T5504] ? preempt_count_add+0x8d/0x190
[ 243.708169][ T5504] ? sb_set_blocksize+0xa5/0xe0
[ 243.713039][ T5504] get_tree_bdev+0x3f1/0x610
[ 243.717622][ T5504] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.722848][ T5504] gfs2_get_tree+0x4d/0x1e0
[ 243.727366][ T5504] vfs_get_tree+0x88/0x270
[ 243.731866][ T5504] do_new_mount+0x24a/0xa40
[ 243.736369][ T5504] __se_sys_mount+0x2d6/0x3c0
[ 243.741061][ T5504] ? __x64_sys_mount+0xc0/0xc0
[ 243.745824][ T5504] ? lockdep_hardirqs_on+0x94/0x140
[ 243.751027][ T5504] ? __x64_sys_mount+0x1c/0xc0
[ 243.755777][ T5504] do_syscall_64+0x4c/0xa0
[ 243.760209][ T5504] ? clear_bhb_loop+0x30/0x80
[ 243.764870][ T5504] ? clear_bhb_loop+0x30/0x80
[ 243.769530][ T5504] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.775414][ T5504] RIP: 0033:0x7ff47f61f38a
[ 243.779825][ T5504] 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
[ 243.799602][ T5504] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.808100][ T5504] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 243.816224][ T5504] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 243.824191][ T5504] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 243.832238][ T5504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.840193][ T5504] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.848249][ T5504]
[ 243.853032][ T5504] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.866320][ T5504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.167775][ T5506] loop1: detected capacity change from 0 to 32768
[ 244.184563][ T5506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.191982][ T5506] CPU: 0 PID: 5506 Comm: syz.1.207 Not tainted syzkaller #0
[ 244.199343][ T5506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 244.209758][ T5506] Call Trace:
[ 244.213227][ T5506]
[ 244.216158][ T5506] dump_stack_lvl+0x168/0x230
[ 244.220952][ T5506] ? show_regs_print_info+0x20/0x20
[ 244.226691][ T5506] ? load_image+0x3b0/0x3b0
[ 244.231341][ T5506] sysfs_create_dir_ns+0x252/0x280
[ 244.236465][ T5506] ? __lock_acquire+0x7c60/0x7c60
[ 244.241481][ T5506] ? sysfs_warn_dup+0xa0/0xa0
[ 244.246153][ T5506] ? do_raw_spin_unlock+0x11d/0x230
[ 244.251370][ T5506] kobject_add_internal+0x662/0xd00
[ 244.256559][ T5506] kobject_init_and_add+0x122/0x190
[ 244.261916][ T5506] ? lockdep_softirqs_off+0x420/0x420
[ 244.267276][ T5506] ? kobject_add+0x210/0x210
[ 244.271848][ T5506] ? __init_swait_queue_head+0xa5/0x150
[ 244.277456][ T5506] gfs2_sys_fs_add+0x234/0x480
[ 244.282236][ T5506] ? gfs2_recover_set+0x240/0x240
[ 244.287255][ T5506] ? snprintf+0xd7/0x120
[ 244.291484][ T5506] ? __free_pages+0x95/0x1a0
[ 244.296074][ T5506] ? vscnprintf+0x80/0x80
[ 244.300444][ T5506] gfs2_fill_super+0x128d/0x1f50
[ 244.305488][ T5506] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.310520][ T5506] ? preempt_count_add+0x8d/0x190
[ 244.315685][ T5506] ? sb_set_blocksize+0xa5/0xe0
[ 244.320542][ T5506] get_tree_bdev+0x3f1/0x610
[ 244.325164][ T5506] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.330211][ T5506] gfs2_get_tree+0x4d/0x1e0
[ 244.334715][ T5506] vfs_get_tree+0x88/0x270
[ 244.339419][ T5506] do_new_mount+0x24a/0xa40
[ 244.343936][ T5506] __se_sys_mount+0x2d6/0x3c0
[ 244.348632][ T5506] ? __x64_sys_mount+0xc0/0xc0
[ 244.353400][ T5506] ? lockdep_hardirqs_on+0x94/0x140
[ 244.358695][ T5506] ? __x64_sys_mount+0x1c/0xc0
[ 244.363450][ T5506] do_syscall_64+0x4c/0xa0
[ 244.367848][ T5506] ? clear_bhb_loop+0x30/0x80
[ 244.372538][ T5506] ? clear_bhb_loop+0x30/0x80
[ 244.377376][ T5506] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.383289][ T5506] RIP: 0033:0x7ff47f61f38a
[ 244.387687][ T5506] 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
[ 244.407275][ T5506] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.415683][ T5506] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 244.423639][ T5506] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 244.431605][ T5506] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 244.439570][ T5506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.447552][ T5506] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.455861][ T5506]
[ 244.460893][ T5506] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.474565][ T5506] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.796232][ T5508] loop1: detected capacity change from 0 to 32768
[ 244.847542][ T5508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.862782][ T5508] CPU: 0 PID: 5508 Comm: syz.1.208 Not tainted syzkaller #0
[ 244.870296][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 244.880369][ T5508] Call Trace:
[ 244.883936][ T5508]
[ 244.886973][ T5508] dump_stack_lvl+0x168/0x230
[ 244.891946][ T5508] ? show_regs_print_info+0x20/0x20
[ 244.897265][ T5508] ? load_image+0x3b0/0x3b0
[ 244.901811][ T5508] sysfs_create_dir_ns+0x252/0x280
[ 244.907303][ T5508] ? __lock_acquire+0x7c60/0x7c60
[ 244.912351][ T5508] ? sysfs_warn_dup+0xa0/0xa0
[ 244.917057][ T5508] ? do_raw_spin_unlock+0x11d/0x230
[ 244.922445][ T5508] kobject_add_internal+0x662/0xd00
[ 244.927674][ T5508] kobject_init_and_add+0x122/0x190
[ 244.932894][ T5508] ? lockdep_softirqs_off+0x420/0x420
[ 244.938387][ T5508] ? kobject_add+0x210/0x210
[ 244.942997][ T5508] ? __init_swait_queue_head+0xa5/0x150
[ 244.948562][ T5508] gfs2_sys_fs_add+0x234/0x480
[ 244.953533][ T5508] ? gfs2_recover_set+0x240/0x240
[ 244.958556][ T5508] ? snprintf+0xd7/0x120
[ 244.962796][ T5508] ? __free_pages+0x95/0x1a0
[ 244.967374][ T5508] ? vscnprintf+0x80/0x80
[ 244.971703][ T5508] gfs2_fill_super+0x128d/0x1f50
[ 244.976651][ T5508] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.981840][ T5508] ? preempt_count_add+0x8d/0x190
[ 244.987304][ T5508] ? sb_set_blocksize+0xa5/0xe0
[ 244.992164][ T5508] get_tree_bdev+0x3f1/0x610
[ 244.996874][ T5508] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.001908][ T5508] gfs2_get_tree+0x4d/0x1e0
[ 245.006484][ T5508] vfs_get_tree+0x88/0x270
[ 245.010904][ T5508] do_new_mount+0x24a/0xa40
[ 245.015419][ T5508] __se_sys_mount+0x2d6/0x3c0
[ 245.020220][ T5508] ? __x64_sys_mount+0xc0/0xc0
[ 245.025391][ T5508] ? lockdep_hardirqs_on+0x94/0x140
[ 245.030845][ T5508] ? __x64_sys_mount+0x1c/0xc0
[ 245.036139][ T5508] do_syscall_64+0x4c/0xa0
[ 245.040545][ T5508] ? clear_bhb_loop+0x30/0x80
[ 245.045218][ T5508] ? clear_bhb_loop+0x30/0x80
[ 245.049911][ T5508] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.055803][ T5508] RIP: 0033:0x7ff47f61f38a
[ 245.060203][ T5508] 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
[ 245.079881][ T5508] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.088293][ T5508] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 245.096979][ T5508] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 245.105048][ T5508] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 245.113066][ T5508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.121091][ T5508] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.129061][ T5508]
[ 245.134008][ T5508] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.147479][ T5508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.466636][ T5510] loop1: detected capacity change from 0 to 32768
[ 245.524570][ T5510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.532014][ T5510] CPU: 0 PID: 5510 Comm: syz.1.209 Not tainted syzkaller #0
[ 245.539334][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 245.549400][ T5510] Call Trace:
[ 245.552773][ T5510]
[ 245.555723][ T5510] dump_stack_lvl+0x168/0x230
[ 245.560426][ T5510] ? show_regs_print_info+0x20/0x20
[ 245.565824][ T5510] ? load_image+0x3b0/0x3b0
[ 245.570542][ T5510] sysfs_create_dir_ns+0x252/0x280
[ 245.575766][ T5510] ? __lock_acquire+0x7c60/0x7c60
[ 245.580905][ T5510] ? sysfs_warn_dup+0xa0/0xa0
[ 245.585691][ T5510] ? do_raw_spin_unlock+0x11d/0x230
[ 245.591013][ T5510] kobject_add_internal+0x662/0xd00
[ 245.596332][ T5510] kobject_init_and_add+0x122/0x190
[ 245.601638][ T5510] ? lockdep_softirqs_off+0x420/0x420
[ 245.607027][ T5510] ? kobject_add+0x210/0x210
[ 245.611641][ T5510] ? __init_swait_queue_head+0xa5/0x150
[ 245.617225][ T5510] gfs2_sys_fs_add+0x234/0x480
[ 245.621976][ T5510] ? gfs2_recover_set+0x240/0x240
[ 245.627001][ T5510] ? snprintf+0xd7/0x120
[ 245.631244][ T5510] ? __free_pages+0x95/0x1a0
[ 245.635843][ T5510] ? vscnprintf+0x80/0x80
[ 245.640227][ T5510] gfs2_fill_super+0x128d/0x1f50
[ 245.645166][ T5510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.650271][ T5510] ? preempt_count_add+0x8d/0x190
[ 245.655293][ T5510] ? sb_set_blocksize+0xa5/0xe0
[ 245.660198][ T5510] get_tree_bdev+0x3f1/0x610
[ 245.664972][ T5510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.670014][ T5510] gfs2_get_tree+0x4d/0x1e0
[ 245.674509][ T5510] vfs_get_tree+0x88/0x270
[ 245.678930][ T5510] do_new_mount+0x24a/0xa40
[ 245.683441][ T5510] __se_sys_mount+0x2d6/0x3c0
[ 245.688224][ T5510] ? __x64_sys_mount+0xc0/0xc0
[ 245.693007][ T5510] ? lockdep_hardirqs_on+0x94/0x140
[ 245.698269][ T5510] ? __x64_sys_mount+0x1c/0xc0
[ 245.703065][ T5510] do_syscall_64+0x4c/0xa0
[ 245.707481][ T5510] ? clear_bhb_loop+0x30/0x80
[ 245.712336][ T5510] ? clear_bhb_loop+0x30/0x80
[ 245.717061][ T5510] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.723118][ T5510] RIP: 0033:0x7ff47f61f38a
[ 245.727618][ T5510] 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
[ 245.747235][ T5510] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.755649][ T5510] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 245.763912][ T5510] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 245.772411][ T5510] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 245.780425][ T5510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.788488][ T5510] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.796462][ T5510]
[ 245.801290][ T5510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.814849][ T5510] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:25:04 executed programs: 195
[ 246.124768][ T5512] loop1: detected capacity change from 0 to 32768
[ 246.194567][ T5512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.202307][ T5512] CPU: 1 PID: 5512 Comm: syz.1.210 Not tainted syzkaller #0
[ 246.209606][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 246.219748][ T5512] Call Trace:
[ 246.223070][ T5512]
[ 246.226006][ T5512] dump_stack_lvl+0x168/0x230
[ 246.230707][ T5512] ? show_regs_print_info+0x20/0x20
[ 246.235941][ T5512] ? load_image+0x3b0/0x3b0
[ 246.240481][ T5512] sysfs_create_dir_ns+0x252/0x280
[ 246.245607][ T5512] ? __lock_acquire+0x7c60/0x7c60
[ 246.250654][ T5512] ? sysfs_warn_dup+0xa0/0xa0
[ 246.255432][ T5512] ? do_raw_spin_unlock+0x11d/0x230
[ 246.260643][ T5512] kobject_add_internal+0x662/0xd00
[ 246.265858][ T5512] kobject_init_and_add+0x122/0x190
[ 246.271069][ T5512] ? lockdep_softirqs_off+0x420/0x420
[ 246.276437][ T5512] ? kobject_add+0x210/0x210
[ 246.281098][ T5512] ? __init_swait_queue_head+0xa5/0x150
[ 246.286679][ T5512] gfs2_sys_fs_add+0x234/0x480
[ 246.291436][ T5512] ? gfs2_recover_set+0x240/0x240
[ 246.296446][ T5512] ? snprintf+0xd7/0x120
[ 246.300677][ T5512] ? __free_pages+0x95/0x1a0
[ 246.305259][ T5512] ? vscnprintf+0x80/0x80
[ 246.309600][ T5512] gfs2_fill_super+0x128d/0x1f50
[ 246.314529][ T5512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.319693][ T5512] ? preempt_count_add+0x8d/0x190
[ 246.324826][ T5512] ? sb_set_blocksize+0xa5/0xe0
[ 246.329677][ T5512] get_tree_bdev+0x3f1/0x610
[ 246.334274][ T5512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.339564][ T5512] gfs2_get_tree+0x4d/0x1e0
[ 246.344158][ T5512] vfs_get_tree+0x88/0x270
[ 246.348748][ T5512] do_new_mount+0x24a/0xa40
[ 246.353374][ T5512] __se_sys_mount+0x2d6/0x3c0
[ 246.358287][ T5512] ? __x64_sys_mount+0xc0/0xc0
[ 246.363055][ T5512] ? lockdep_hardirqs_on+0x94/0x140
[ 246.368251][ T5512] ? __x64_sys_mount+0x1c/0xc0
[ 246.372996][ T5512] do_syscall_64+0x4c/0xa0
[ 246.377397][ T5512] ? clear_bhb_loop+0x30/0x80
[ 246.382072][ T5512] ? clear_bhb_loop+0x30/0x80
[ 246.386735][ T5512] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.392618][ T5512] RIP: 0033:0x7ff47f61f38a
[ 246.397016][ T5512] 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
[ 246.416616][ T5512] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.425113][ T5512] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 246.433188][ T5512] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 246.441144][ T5512] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 246.449360][ T5512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.457319][ T5512] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.465347][ T5512]
[ 246.473365][ T5512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.487328][ T5512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.792243][ T5514] loop1: detected capacity change from 0 to 32768
[ 246.845851][ T5514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.853263][ T5514] CPU: 1 PID: 5514 Comm: syz.1.211 Not tainted syzkaller #0
[ 246.860557][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 246.870623][ T5514] Call Trace:
[ 246.873920][ T5514]
[ 246.876861][ T5514] dump_stack_lvl+0x168/0x230
[ 246.881558][ T5514] ? show_regs_print_info+0x20/0x20
[ 246.886769][ T5514] ? load_image+0x3b0/0x3b0
[ 246.891300][ T5514] sysfs_create_dir_ns+0x252/0x280
[ 246.896427][ T5514] ? __lock_acquire+0x7c60/0x7c60
[ 246.901461][ T5514] ? sysfs_warn_dup+0xa0/0xa0
[ 246.906153][ T5514] ? do_raw_spin_unlock+0x11d/0x230
[ 246.911364][ T5514] kobject_add_internal+0x662/0xd00
[ 246.916577][ T5514] kobject_init_and_add+0x122/0x190
[ 246.921904][ T5514] ? lockdep_softirqs_off+0x420/0x420
[ 246.927293][ T5514] ? kobject_add+0x210/0x210
[ 246.931889][ T5514] ? __init_swait_queue_head+0xa5/0x150
[ 246.937428][ T5514] gfs2_sys_fs_add+0x234/0x480
[ 246.942186][ T5514] ? gfs2_recover_set+0x240/0x240
[ 246.947214][ T5514] ? snprintf+0xd7/0x120
[ 246.951452][ T5514] ? __free_pages+0x95/0x1a0
[ 246.956032][ T5514] ? vscnprintf+0x80/0x80
[ 246.960349][ T5514] gfs2_fill_super+0x128d/0x1f50
[ 246.965289][ T5514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.970311][ T5514] ? preempt_count_add+0x8d/0x190
[ 246.975420][ T5514] ? sb_set_blocksize+0xa5/0xe0
[ 246.980257][ T5514] get_tree_bdev+0x3f1/0x610
[ 246.984841][ T5514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.989961][ T5514] gfs2_get_tree+0x4d/0x1e0
[ 246.994465][ T5514] vfs_get_tree+0x88/0x270
[ 246.998972][ T5514] do_new_mount+0x24a/0xa40
[ 247.003588][ T5514] __se_sys_mount+0x2d6/0x3c0
[ 247.008270][ T5514] ? __x64_sys_mount+0xc0/0xc0
[ 247.013109][ T5514] ? lockdep_hardirqs_on+0x94/0x140
[ 247.018310][ T5514] ? __x64_sys_mount+0x1c/0xc0
[ 247.023075][ T5514] do_syscall_64+0x4c/0xa0
[ 247.027480][ T5514] ? clear_bhb_loop+0x30/0x80
[ 247.032239][ T5514] ? clear_bhb_loop+0x30/0x80
[ 247.036910][ T5514] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.042802][ T5514] RIP: 0033:0x7ff47f61f38a
[ 247.047302][ T5514] 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
[ 247.066952][ T5514] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.075376][ T5514] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 247.083359][ T5514] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 247.091408][ T5514] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 247.099369][ T5514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.107331][ T5514] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.115296][ T5514]
[ 247.119190][ T5514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.132466][ T5514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.442975][ T5516] loop1: detected capacity change from 0 to 32768
[ 247.505876][ T5516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.513375][ T5516] CPU: 1 PID: 5516 Comm: syz.1.212 Not tainted syzkaller #0
[ 247.520669][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 247.530824][ T5516] Call Trace:
[ 247.534116][ T5516]
[ 247.537056][ T5516] dump_stack_lvl+0x168/0x230
[ 247.541759][ T5516] ? show_regs_print_info+0x20/0x20
[ 247.547079][ T5516] ? load_image+0x3b0/0x3b0
[ 247.551616][ T5516] sysfs_create_dir_ns+0x252/0x280
[ 247.556828][ T5516] ? __lock_acquire+0x7c60/0x7c60
[ 247.561876][ T5516] ? sysfs_warn_dup+0xa0/0xa0
[ 247.566587][ T5516] ? do_raw_spin_unlock+0x11d/0x230
[ 247.571807][ T5516] kobject_add_internal+0x662/0xd00
[ 247.577079][ T5516] kobject_init_and_add+0x122/0x190
[ 247.582307][ T5516] ? lockdep_softirqs_off+0x420/0x420
[ 247.587693][ T5516] ? kobject_add+0x210/0x210
[ 247.592280][ T5516] ? __init_swait_queue_head+0xa5/0x150
[ 247.597818][ T5516] gfs2_sys_fs_add+0x234/0x480
[ 247.602573][ T5516] ? gfs2_recover_set+0x240/0x240
[ 247.607585][ T5516] ? snprintf+0xd7/0x120
[ 247.611820][ T5516] ? __free_pages+0x95/0x1a0
[ 247.616394][ T5516] ? vscnprintf+0x80/0x80
[ 247.620797][ T5516] gfs2_fill_super+0x128d/0x1f50
[ 247.625751][ T5516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.630769][ T5516] ? preempt_count_add+0x8d/0x190
[ 247.635963][ T5516] ? sb_set_blocksize+0xa5/0xe0
[ 247.640799][ T5516] get_tree_bdev+0x3f1/0x610
[ 247.645379][ T5516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.650474][ T5516] gfs2_get_tree+0x4d/0x1e0
[ 247.654974][ T5516] vfs_get_tree+0x88/0x270
[ 247.659461][ T5516] do_new_mount+0x24a/0xa40
[ 247.663966][ T5516] __se_sys_mount+0x2d6/0x3c0
[ 247.668650][ T5516] ? __x64_sys_mount+0xc0/0xc0
[ 247.673411][ T5516] ? lockdep_hardirqs_on+0x94/0x140
[ 247.678613][ T5516] ? __x64_sys_mount+0x1c/0xc0
[ 247.683388][ T5516] do_syscall_64+0x4c/0xa0
[ 247.687799][ T5516] ? clear_bhb_loop+0x30/0x80
[ 247.692472][ T5516] ? clear_bhb_loop+0x30/0x80
[ 247.697140][ T5516] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.703028][ T5516] RIP: 0033:0x7ff47f61f38a
[ 247.707446][ T5516] 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
[ 247.727324][ T5516] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.735733][ T5516] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 247.743721][ T5516] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 247.751715][ T5516] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 247.759873][ T5516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.767870][ T5516] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.775956][ T5516]
[ 247.780639][ T5516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.793824][ T5516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.119096][ T5518] loop1: detected capacity change from 0 to 32768
[ 248.132810][ T5518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.140659][ T5518] CPU: 1 PID: 5518 Comm: syz.1.213 Not tainted syzkaller #0
[ 248.147972][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 248.158132][ T5518] Call Trace:
[ 248.161419][ T5518]
[ 248.164356][ T5518] dump_stack_lvl+0x168/0x230
[ 248.169044][ T5518] ? show_regs_print_info+0x20/0x20
[ 248.174256][ T5518] ? load_image+0x3b0/0x3b0
[ 248.178783][ T5518] sysfs_create_dir_ns+0x252/0x280
[ 248.183995][ T5518] ? __lock_acquire+0x7c60/0x7c60
[ 248.189161][ T5518] ? sysfs_warn_dup+0xa0/0xa0
[ 248.193875][ T5518] ? do_raw_spin_unlock+0x11d/0x230
[ 248.199090][ T5518] kobject_add_internal+0x662/0xd00
[ 248.204309][ T5518] kobject_init_and_add+0x122/0x190
[ 248.209732][ T5518] ? lockdep_softirqs_off+0x420/0x420
[ 248.215125][ T5518] ? kobject_add+0x210/0x210
[ 248.219869][ T5518] ? __init_swait_queue_head+0xa5/0x150
[ 248.225516][ T5518] gfs2_sys_fs_add+0x234/0x480
[ 248.230291][ T5518] ? gfs2_recover_set+0x240/0x240
[ 248.235314][ T5518] ? snprintf+0xd7/0x120
[ 248.239642][ T5518] ? __free_pages+0x95/0x1a0
[ 248.244217][ T5518] ? vscnprintf+0x80/0x80
[ 248.248534][ T5518] gfs2_fill_super+0x128d/0x1f50
[ 248.253462][ T5518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.258467][ T5518] ? preempt_count_add+0x8d/0x190
[ 248.263479][ T5518] ? sb_set_blocksize+0xa5/0xe0
[ 248.268323][ T5518] get_tree_bdev+0x3f1/0x610
[ 248.272986][ T5518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.278004][ T5518] gfs2_get_tree+0x4d/0x1e0
[ 248.282494][ T5518] vfs_get_tree+0x88/0x270
[ 248.286918][ T5518] do_new_mount+0x24a/0xa40
[ 248.291421][ T5518] __se_sys_mount+0x2d6/0x3c0
[ 248.296083][ T5518] ? __x64_sys_mount+0xc0/0xc0
[ 248.300827][ T5518] ? lockdep_hardirqs_on+0x94/0x140
[ 248.306012][ T5518] ? __x64_sys_mount+0x1c/0xc0
[ 248.310792][ T5518] do_syscall_64+0x4c/0xa0
[ 248.315231][ T5518] ? clear_bhb_loop+0x30/0x80
[ 248.319912][ T5518] ? clear_bhb_loop+0x30/0x80
[ 248.324597][ T5518] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.330497][ T5518] RIP: 0033:0x7ff47f61f38a
[ 248.334898][ T5518] 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
[ 248.354740][ T5518] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.363275][ T5518] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 248.371398][ T5518] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 248.379373][ T5518] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 248.387342][ T5518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.395310][ T5518] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.403330][ T5518]
[ 248.407050][ T5518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.420313][ T5518] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.730596][ T5520] loop1: detected capacity change from 0 to 32768
[ 248.749139][ T5520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.757551][ T5520] CPU: 1 PID: 5520 Comm: syz.1.214 Not tainted syzkaller #0
[ 248.764880][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 248.775102][ T5520] Call Trace:
[ 248.778390][ T5520]
[ 248.781672][ T5520] dump_stack_lvl+0x168/0x230
[ 248.786370][ T5520] ? show_regs_print_info+0x20/0x20
[ 248.791575][ T5520] ? load_image+0x3b0/0x3b0
[ 248.796197][ T5520] sysfs_create_dir_ns+0x252/0x280
[ 248.801322][ T5520] ? __lock_acquire+0x7c60/0x7c60
[ 248.806366][ T5520] ? sysfs_warn_dup+0xa0/0xa0
[ 248.811071][ T5520] ? do_raw_spin_unlock+0x11d/0x230
[ 248.816296][ T5520] kobject_add_internal+0x662/0xd00
[ 248.821519][ T5520] kobject_init_and_add+0x122/0x190
[ 248.826734][ T5520] ? lockdep_softirqs_off+0x420/0x420
[ 248.832143][ T5520] ? kobject_add+0x210/0x210
[ 248.836736][ T5520] ? __init_swait_queue_head+0xa5/0x150
[ 248.842292][ T5520] gfs2_sys_fs_add+0x234/0x480
[ 248.847054][ T5520] ? gfs2_recover_set+0x240/0x240
[ 248.852087][ T5520] ? snprintf+0xd7/0x120
[ 248.856331][ T5520] ? __free_pages+0x95/0x1a0
[ 248.860949][ T5520] ? vscnprintf+0x80/0x80
[ 248.865279][ T5520] gfs2_fill_super+0x128d/0x1f50
[ 248.870268][ T5520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.875297][ T5520] ? preempt_count_add+0x8d/0x190
[ 248.880334][ T5520] ? sb_set_blocksize+0xa5/0xe0
[ 248.885474][ T5520] get_tree_bdev+0x3f1/0x610
[ 248.890073][ T5520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.895102][ T5520] gfs2_get_tree+0x4d/0x1e0
[ 248.899628][ T5520] vfs_get_tree+0x88/0x270
[ 248.904028][ T5520] do_new_mount+0x24a/0xa40
[ 248.908521][ T5520] __se_sys_mount+0x2d6/0x3c0
[ 248.913235][ T5520] ? __x64_sys_mount+0xc0/0xc0
[ 248.918003][ T5520] ? lockdep_hardirqs_on+0x94/0x140
[ 248.923203][ T5520] ? __x64_sys_mount+0x1c/0xc0
[ 248.927953][ T5520] do_syscall_64+0x4c/0xa0
[ 248.932369][ T5520] ? clear_bhb_loop+0x30/0x80
[ 248.937033][ T5520] ? clear_bhb_loop+0x30/0x80
[ 248.941712][ T5520] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.947605][ T5520] RIP: 0033:0x7ff47f61f38a
[ 248.952025][ T5520] 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
[ 248.971628][ T5520] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.980129][ T5520] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 248.988094][ T5520] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 248.996061][ T5520] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 249.004204][ T5520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.012161][ T5520] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.020129][ T5520]
[ 249.023764][ T5520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.036923][ T5520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.364569][ T5522] loop1: detected capacity change from 0 to 32768
[ 249.412820][ T5522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.420429][ T5522] CPU: 1 PID: 5522 Comm: syz.1.215 Not tainted syzkaller #0
[ 249.427726][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.437793][ T5522] Call Trace:
[ 249.441100][ T5522]
[ 249.444134][ T5522] dump_stack_lvl+0x168/0x230
[ 249.448930][ T5522] ? show_regs_print_info+0x20/0x20
[ 249.454340][ T5522] ? load_image+0x3b0/0x3b0
[ 249.458894][ T5522] sysfs_create_dir_ns+0x252/0x280
[ 249.464117][ T5522] ? __lock_acquire+0x7c60/0x7c60
[ 249.469243][ T5522] ? sysfs_warn_dup+0xa0/0xa0
[ 249.474025][ T5522] ? do_raw_spin_unlock+0x11d/0x230
[ 249.479239][ T5522] kobject_add_internal+0x662/0xd00
[ 249.484465][ T5522] kobject_init_and_add+0x122/0x190
[ 249.489688][ T5522] ? lockdep_softirqs_off+0x420/0x420
[ 249.495082][ T5522] ? kobject_add+0x210/0x210
[ 249.499682][ T5522] ? __init_swait_queue_head+0xa5/0x150
[ 249.505223][ T5522] gfs2_sys_fs_add+0x234/0x480
[ 249.509993][ T5522] ? gfs2_recover_set+0x240/0x240
[ 249.515014][ T5522] ? snprintf+0xd7/0x120
[ 249.519247][ T5522] ? __free_pages+0x95/0x1a0
[ 249.523827][ T5522] ? vscnprintf+0x80/0x80
[ 249.528154][ T5522] gfs2_fill_super+0x128d/0x1f50
[ 249.533089][ T5522] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.538096][ T5522] ? preempt_count_add+0x8d/0x190
[ 249.543130][ T5522] ? sb_set_blocksize+0xa5/0xe0
[ 249.547963][ T5522] get_tree_bdev+0x3f1/0x610
[ 249.552539][ T5522] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.557566][ T5522] gfs2_get_tree+0x4d/0x1e0
[ 249.562061][ T5522] vfs_get_tree+0x88/0x270
[ 249.566499][ T5522] do_new_mount+0x24a/0xa40
[ 249.570992][ T5522] __se_sys_mount+0x2d6/0x3c0
[ 249.575748][ T5522] ? __x64_sys_mount+0xc0/0xc0
[ 249.580702][ T5522] ? lockdep_hardirqs_on+0x94/0x140
[ 249.585895][ T5522] ? __x64_sys_mount+0x1c/0xc0
[ 249.590752][ T5522] do_syscall_64+0x4c/0xa0
[ 249.595152][ T5522] ? clear_bhb_loop+0x30/0x80
[ 249.599812][ T5522] ? clear_bhb_loop+0x30/0x80
[ 249.604471][ T5522] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.610371][ T5522] RIP: 0033:0x7ff47f61f38a
[ 249.614832][ T5522] 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
[ 249.634702][ T5522] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.643114][ T5522] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 249.651072][ T5522] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 249.659181][ T5522] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 249.667144][ T5522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.675107][ T5522] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.683089][ T5522]
[ 249.689900][ T5522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.703482][ T5522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.014214][ T5524] loop1: detected capacity change from 0 to 32768
[ 250.064430][ T5524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.072060][ T5524] CPU: 0 PID: 5524 Comm: syz.1.216 Not tainted syzkaller #0
[ 250.079446][ T5524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.089704][ T5524] Call Trace:
[ 250.092990][ T5524]
[ 250.095925][ T5524] dump_stack_lvl+0x168/0x230
[ 250.100631][ T5524] ? show_regs_print_info+0x20/0x20
[ 250.106013][ T5524] ? load_image+0x3b0/0x3b0
[ 250.110581][ T5524] sysfs_create_dir_ns+0x252/0x280
[ 250.115795][ T5524] ? __lock_acquire+0x7c60/0x7c60
[ 250.120834][ T5524] ? sysfs_warn_dup+0xa0/0xa0
[ 250.125524][ T5524] ? do_raw_spin_unlock+0x11d/0x230
[ 250.130730][ T5524] kobject_add_internal+0x662/0xd00
[ 250.135955][ T5524] kobject_init_and_add+0x122/0x190
[ 250.141161][ T5524] ? lockdep_softirqs_off+0x420/0x420
[ 250.146710][ T5524] ? kobject_add+0x210/0x210
[ 250.151284][ T5524] ? __init_swait_queue_head+0xa5/0x150
[ 250.156812][ T5524] gfs2_sys_fs_add+0x234/0x480
[ 250.161567][ T5524] ? gfs2_recover_set+0x240/0x240
[ 250.166574][ T5524] ? snprintf+0xd7/0x120
[ 250.170801][ T5524] ? __free_pages+0x95/0x1a0
[ 250.175383][ T5524] ? vscnprintf+0x80/0x80
[ 250.179715][ T5524] gfs2_fill_super+0x128d/0x1f50
[ 250.184662][ T5524] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.189830][ T5524] ? preempt_count_add+0x8d/0x190
[ 250.194853][ T5524] ? sb_set_blocksize+0xa5/0xe0
[ 250.199691][ T5524] get_tree_bdev+0x3f1/0x610
[ 250.204285][ T5524] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.209297][ T5524] gfs2_get_tree+0x4d/0x1e0
[ 250.213798][ T5524] vfs_get_tree+0x88/0x270
[ 250.218202][ T5524] do_new_mount+0x24a/0xa40
[ 250.222952][ T5524] __se_sys_mount+0x2d6/0x3c0
[ 250.227612][ T5524] ? __x64_sys_mount+0xc0/0xc0
[ 250.232716][ T5524] ? lockdep_hardirqs_on+0x94/0x140
[ 250.238189][ T5524] ? __x64_sys_mount+0x1c/0xc0
[ 250.242956][ T5524] do_syscall_64+0x4c/0xa0
[ 250.247396][ T5524] ? clear_bhb_loop+0x30/0x80
[ 250.252051][ T5524] ? clear_bhb_loop+0x30/0x80
[ 250.256704][ T5524] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.262700][ T5524] RIP: 0033:0x7ff47f61f38a
[ 250.267098][ T5524] 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
[ 250.286790][ T5524] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.295189][ T5524] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 250.303140][ T5524] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 250.311097][ T5524] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 250.319051][ T5524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.327006][ T5524] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.334967][ T5524]
[ 250.339715][ T5524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.353063][ T5524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.674307][ T5526] loop1: detected capacity change from 0 to 32768
[ 250.720022][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.727674][ T5526] CPU: 1 PID: 5526 Comm: syz.1.217 Not tainted syzkaller #0
[ 250.735312][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.745400][ T5526] Call Trace:
[ 250.748696][ T5526]
[ 250.751682][ T5526] dump_stack_lvl+0x168/0x230
[ 250.756461][ T5526] ? show_regs_print_info+0x20/0x20
[ 250.761677][ T5526] ? load_image+0x3b0/0x3b0
[ 250.766209][ T5526] sysfs_create_dir_ns+0x252/0x280
[ 250.771358][ T5526] ? __lock_acquire+0x7c60/0x7c60
[ 250.776400][ T5526] ? sysfs_warn_dup+0xa0/0xa0
[ 250.781202][ T5526] ? do_raw_spin_unlock+0x11d/0x230
[ 250.786441][ T5526] kobject_add_internal+0x662/0xd00
[ 250.791658][ T5526] kobject_init_and_add+0x122/0x190
[ 250.796874][ T5526] ? lockdep_softirqs_off+0x420/0x420
[ 250.802269][ T5526] ? kobject_add+0x210/0x210
[ 250.806878][ T5526] ? __init_swait_queue_head+0xa5/0x150
[ 250.813235][ T5526] gfs2_sys_fs_add+0x234/0x480
[ 250.819962][ T5526] ? gfs2_recover_set+0x240/0x240
[ 250.826908][ T5526] ? snprintf+0xd7/0x120
[ 250.832982][ T5526] ? __free_pages+0x95/0x1a0
[ 250.837924][ T5526] ? vscnprintf+0x80/0x80
[ 250.842334][ T5526] gfs2_fill_super+0x128d/0x1f50
[ 250.847355][ T5526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.852378][ T5526] ? preempt_count_add+0x8d/0x190
[ 250.857763][ T5526] ? sb_set_blocksize+0xa5/0xe0
[ 250.862724][ T5526] get_tree_bdev+0x3f1/0x610
[ 250.867331][ T5526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.872461][ T5526] gfs2_get_tree+0x4d/0x1e0
[ 250.877154][ T5526] vfs_get_tree+0x88/0x270
[ 250.881582][ T5526] do_new_mount+0x24a/0xa40
[ 250.886171][ T5526] __se_sys_mount+0x2d6/0x3c0
[ 250.891274][ T5526] ? __x64_sys_mount+0xc0/0xc0
[ 250.896053][ T5526] ? lockdep_hardirqs_on+0x94/0x140
[ 250.901459][ T5526] ? __x64_sys_mount+0x1c/0xc0
[ 250.906302][ T5526] do_syscall_64+0x4c/0xa0
[ 250.910705][ T5526] ? clear_bhb_loop+0x30/0x80
[ 250.915373][ T5526] ? clear_bhb_loop+0x30/0x80
[ 250.920055][ T5526] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.926087][ T5526] RIP: 0033:0x7ff47f61f38a
[ 250.930507][ T5526] 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
[ 250.950277][ T5526] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.958715][ T5526] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 250.966717][ T5526] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 250.974911][ T5526] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 250.982897][ T5526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.990861][ T5526] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.998919][ T5526]
[ 251.010099][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.023542][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:25:09 executed programs: 203
[ 251.341683][ T5528] loop1: detected capacity change from 0 to 32768
[ 251.404528][ T5528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.411935][ T5528] CPU: 1 PID: 5528 Comm: syz.1.218 Not tainted syzkaller #0
[ 251.419236][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 251.429312][ T5528] Call Trace:
[ 251.432610][ T5528]
[ 251.435555][ T5528] dump_stack_lvl+0x168/0x230
[ 251.440255][ T5528] ? show_regs_print_info+0x20/0x20
[ 251.445479][ T5528] ? load_image+0x3b0/0x3b0
[ 251.450017][ T5528] sysfs_create_dir_ns+0x252/0x280
[ 251.455147][ T5528] ? __lock_acquire+0x7c60/0x7c60
[ 251.460186][ T5528] ? sysfs_warn_dup+0xa0/0xa0
[ 251.464890][ T5528] ? do_raw_spin_unlock+0x11d/0x230
[ 251.470107][ T5528] kobject_add_internal+0x662/0xd00
[ 251.475326][ T5528] kobject_init_and_add+0x122/0x190
[ 251.480577][ T5528] ? lockdep_softirqs_off+0x420/0x420
[ 251.485978][ T5528] ? kobject_add+0x210/0x210
[ 251.490564][ T5528] ? __init_swait_queue_head+0xa5/0x150
[ 251.496130][ T5528] gfs2_sys_fs_add+0x234/0x480
[ 251.500886][ T5528] ? gfs2_recover_set+0x240/0x240
[ 251.505925][ T5528] ? snprintf+0xd7/0x120
[ 251.510153][ T5528] ? __free_pages+0x95/0x1a0
[ 251.514815][ T5528] ? vscnprintf+0x80/0x80
[ 251.519257][ T5528] gfs2_fill_super+0x128d/0x1f50
[ 251.524186][ T5528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.529203][ T5528] ? preempt_count_add+0x8d/0x190
[ 251.534214][ T5528] ? sb_set_blocksize+0xa5/0xe0
[ 251.539174][ T5528] get_tree_bdev+0x3f1/0x610
[ 251.543765][ T5528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.548857][ T5528] gfs2_get_tree+0x4d/0x1e0
[ 251.553376][ T5528] vfs_get_tree+0x88/0x270
[ 251.557796][ T5528] do_new_mount+0x24a/0xa40
[ 251.562287][ T5528] __se_sys_mount+0x2d6/0x3c0
[ 251.566955][ T5528] ? __x64_sys_mount+0xc0/0xc0
[ 251.571716][ T5528] ? lockdep_hardirqs_on+0x94/0x140
[ 251.576913][ T5528] ? __x64_sys_mount+0x1c/0xc0
[ 251.581669][ T5528] do_syscall_64+0x4c/0xa0
[ 251.586082][ T5528] ? clear_bhb_loop+0x30/0x80
[ 251.590970][ T5528] ? clear_bhb_loop+0x30/0x80
[ 251.595696][ T5528] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.601644][ T5528] RIP: 0033:0x7ff47f61f38a
[ 251.606053][ T5528] 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
[ 251.625648][ T5528] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.634585][ T5528] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 251.642560][ T5528] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 251.650524][ T5528] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 251.658611][ T5528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.667174][ T5528] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.675160][ T5528]
[ 251.678598][ T5528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.691886][ T5528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.017001][ T5530] loop1: detected capacity change from 0 to 32768
[ 252.062483][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.070063][ T5530] CPU: 1 PID: 5530 Comm: syz.1.219 Not tainted syzkaller #0
[ 252.077389][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 252.087483][ T5530] Call Trace:
[ 252.090978][ T5530]
[ 252.093925][ T5530] dump_stack_lvl+0x168/0x230
[ 252.098626][ T5530] ? show_regs_print_info+0x20/0x20
[ 252.103844][ T5530] ? load_image+0x3b0/0x3b0
[ 252.108379][ T5530] sysfs_create_dir_ns+0x252/0x280
[ 252.113599][ T5530] ? __lock_acquire+0x7c60/0x7c60
[ 252.118640][ T5530] ? sysfs_warn_dup+0xa0/0xa0
[ 252.123338][ T5530] ? do_raw_spin_unlock+0x11d/0x230
[ 252.128549][ T5530] kobject_add_internal+0x662/0xd00
[ 252.133769][ T5530] kobject_init_and_add+0x122/0x190
[ 252.138981][ T5530] ? lockdep_softirqs_off+0x420/0x420
[ 252.144377][ T5530] ? kobject_add+0x210/0x210
[ 252.148969][ T5530] ? __init_swait_queue_head+0xa5/0x150
[ 252.154520][ T5530] gfs2_sys_fs_add+0x234/0x480
[ 252.159271][ T5530] ? gfs2_recover_set+0x240/0x240
[ 252.164273][ T5530] ? snprintf+0xd7/0x120
[ 252.168497][ T5530] ? __free_pages+0x95/0x1a0
[ 252.173253][ T5530] ? vscnprintf+0x80/0x80
[ 252.177584][ T5530] gfs2_fill_super+0x128d/0x1f50
[ 252.182536][ T5530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.187690][ T5530] ? preempt_count_add+0x8d/0x190
[ 252.192807][ T5530] ? sb_set_blocksize+0xa5/0xe0
[ 252.197733][ T5530] get_tree_bdev+0x3f1/0x610
[ 252.202427][ T5530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.207612][ T5530] gfs2_get_tree+0x4d/0x1e0
[ 252.212298][ T5530] vfs_get_tree+0x88/0x270
[ 252.216697][ T5530] do_new_mount+0x24a/0xa40
[ 252.221219][ T5530] __se_sys_mount+0x2d6/0x3c0
[ 252.225892][ T5530] ? __x64_sys_mount+0xc0/0xc0
[ 252.230660][ T5530] ? lockdep_hardirqs_on+0x94/0x140
[ 252.236051][ T5530] ? __x64_sys_mount+0x1c/0xc0
[ 252.240797][ T5530] do_syscall_64+0x4c/0xa0
[ 252.245190][ T5530] ? clear_bhb_loop+0x30/0x80
[ 252.249842][ T5530] ? clear_bhb_loop+0x30/0x80
[ 252.254501][ T5530] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.260373][ T5530] RIP: 0033:0x7ff47f61f38a
[ 252.264766][ T5530] 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
[ 252.284353][ T5530] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.292764][ T5530] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 252.300842][ T5530] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 252.308881][ T5530] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 252.316838][ T5530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.324815][ T5530] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.332877][ T5530]
[ 252.336637][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.349930][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.688525][ T5532] loop1: detected capacity change from 0 to 32768
[ 252.736266][ T5532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.743667][ T5532] CPU: 0 PID: 5532 Comm: syz.1.220 Not tainted syzkaller #0
[ 252.750957][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 252.761019][ T5532] Call Trace:
[ 252.764310][ T5532]
[ 252.767258][ T5532] dump_stack_lvl+0x168/0x230
[ 252.772140][ T5532] ? show_regs_print_info+0x20/0x20
[ 252.777354][ T5532] ? load_image+0x3b0/0x3b0
[ 252.781882][ T5532] sysfs_create_dir_ns+0x252/0x280
[ 252.787013][ T5532] ? __lock_acquire+0x7c60/0x7c60
[ 252.792064][ T5532] ? sysfs_warn_dup+0xa0/0xa0
[ 252.796760][ T5532] ? do_raw_spin_unlock+0x11d/0x230
[ 252.801972][ T5532] kobject_add_internal+0x662/0xd00
[ 252.807187][ T5532] kobject_init_and_add+0x122/0x190
[ 252.812416][ T5532] ? lockdep_softirqs_off+0x420/0x420
[ 252.817806][ T5532] ? kobject_add+0x210/0x210
[ 252.822408][ T5532] ? __init_swait_queue_head+0xa5/0x150
[ 252.827952][ T5532] gfs2_sys_fs_add+0x234/0x480
[ 252.832711][ T5532] ? gfs2_recover_set+0x240/0x240
[ 252.838074][ T5532] ? snprintf+0xd7/0x120
[ 252.842298][ T5532] ? __free_pages+0x95/0x1a0
[ 252.846892][ T5532] ? vscnprintf+0x80/0x80
[ 252.851241][ T5532] gfs2_fill_super+0x128d/0x1f50
[ 252.856185][ T5532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.861301][ T5532] ? preempt_count_add+0x8d/0x190
[ 252.866336][ T5532] ? sb_set_blocksize+0xa5/0xe0
[ 252.871175][ T5532] get_tree_bdev+0x3f1/0x610
[ 252.875769][ T5532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.880864][ T5532] gfs2_get_tree+0x4d/0x1e0
[ 252.885366][ T5532] vfs_get_tree+0x88/0x270
[ 252.889775][ T5532] do_new_mount+0x24a/0xa40
[ 252.894261][ T5532] __se_sys_mount+0x2d6/0x3c0
[ 252.898931][ T5532] ? __x64_sys_mount+0xc0/0xc0
[ 252.903678][ T5532] ? lockdep_hardirqs_on+0x94/0x140
[ 252.908852][ T5532] ? __x64_sys_mount+0x1c/0xc0
[ 252.913596][ T5532] do_syscall_64+0x4c/0xa0
[ 252.918013][ T5532] ? clear_bhb_loop+0x30/0x80
[ 252.922679][ T5532] ? clear_bhb_loop+0x30/0x80
[ 252.927354][ T5532] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.933291][ T5532] RIP: 0033:0x7ff47f61f38a
[ 252.937717][ T5532] 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
[ 252.957491][ T5532] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.965889][ T5532] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 252.974038][ T5532] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 252.982083][ T5532] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 252.990261][ T5532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.998257][ T5532] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.006232][ T5532]
[ 253.011040][ T5532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.024222][ T5532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.336336][ T5534] loop1: detected capacity change from 0 to 32768
[ 253.380470][ T5534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.387975][ T5534] CPU: 1 PID: 5534 Comm: syz.1.221 Not tainted syzkaller #0
[ 253.395271][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 253.405336][ T5534] Call Trace:
[ 253.408628][ T5534]
[ 253.411562][ T5534] dump_stack_lvl+0x168/0x230
[ 253.416806][ T5534] ? show_regs_print_info+0x20/0x20
[ 253.422036][ T5534] ? load_image+0x3b0/0x3b0
[ 253.426568][ T5534] sysfs_create_dir_ns+0x252/0x280
[ 253.431699][ T5534] ? __lock_acquire+0x7c60/0x7c60
[ 253.436790][ T5534] ? sysfs_warn_dup+0xa0/0xa0
[ 253.441486][ T5534] ? do_raw_spin_unlock+0x11d/0x230
[ 253.446699][ T5534] kobject_add_internal+0x662/0xd00
[ 253.452375][ T5534] kobject_init_and_add+0x122/0x190
[ 253.457602][ T5534] ? lockdep_softirqs_off+0x420/0x420
[ 253.463000][ T5534] ? kobject_add+0x210/0x210
[ 253.467735][ T5534] ? __init_swait_queue_head+0xa5/0x150
[ 253.473292][ T5534] gfs2_sys_fs_add+0x234/0x480
[ 253.478055][ T5534] ? gfs2_recover_set+0x240/0x240
[ 253.483086][ T5534] ? snprintf+0xd7/0x120
[ 253.487326][ T5534] ? __free_pages+0x95/0x1a0
[ 253.491997][ T5534] ? vscnprintf+0x80/0x80
[ 253.496327][ T5534] gfs2_fill_super+0x128d/0x1f50
[ 253.501289][ T5534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.506305][ T5534] ? preempt_count_add+0x8d/0x190
[ 253.511418][ T5534] ? sb_set_blocksize+0xa5/0xe0
[ 253.516269][ T5534] get_tree_bdev+0x3f1/0x610
[ 253.520860][ T5534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.525873][ T5534] gfs2_get_tree+0x4d/0x1e0
[ 253.530367][ T5534] vfs_get_tree+0x88/0x270
[ 253.534779][ T5534] do_new_mount+0x24a/0xa40
[ 253.539480][ T5534] __se_sys_mount+0x2d6/0x3c0
[ 253.544155][ T5534] ? __x64_sys_mount+0xc0/0xc0
[ 253.548919][ T5534] ? lockdep_hardirqs_on+0x94/0x140
[ 253.554104][ T5534] ? __x64_sys_mount+0x1c/0xc0
[ 253.558922][ T5534] do_syscall_64+0x4c/0xa0
[ 253.563338][ T5534] ? clear_bhb_loop+0x30/0x80
[ 253.567994][ T5534] ? clear_bhb_loop+0x30/0x80
[ 253.572659][ T5534] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.578531][ T5534] RIP: 0033:0x7ff47f61f38a
[ 253.582928][ T5534] 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
[ 253.602514][ T5534] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.610908][ T5534] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 253.618861][ T5534] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 253.626814][ T5534] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 253.634767][ T5534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.642732][ T5534] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.650753][ T5534]
[ 253.654221][ T5534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.667570][ T5534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.979419][ T5536] loop1: detected capacity change from 0 to 32768
[ 254.025369][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.032792][ T5536] CPU: 0 PID: 5536 Comm: syz.1.222 Not tainted syzkaller #0
[ 254.040081][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 254.050148][ T5536] Call Trace:
[ 254.053432][ T5536]
[ 254.056366][ T5536] dump_stack_lvl+0x168/0x230
[ 254.061077][ T5536] ? show_regs_print_info+0x20/0x20
[ 254.066298][ T5536] ? load_image+0x3b0/0x3b0
[ 254.070826][ T5536] sysfs_create_dir_ns+0x252/0x280
[ 254.076045][ T5536] ? __lock_acquire+0x7c60/0x7c60
[ 254.081137][ T5536] ? sysfs_warn_dup+0xa0/0xa0
[ 254.085838][ T5536] ? do_raw_spin_unlock+0x11d/0x230
[ 254.091068][ T5536] kobject_add_internal+0x662/0xd00
[ 254.096285][ T5536] kobject_init_and_add+0x122/0x190
[ 254.101489][ T5536] ? lockdep_softirqs_off+0x420/0x420
[ 254.106850][ T5536] ? kobject_add+0x210/0x210
[ 254.111426][ T5536] ? __init_swait_queue_head+0xa5/0x150
[ 254.116954][ T5536] gfs2_sys_fs_add+0x234/0x480
[ 254.121698][ T5536] ? gfs2_recover_set+0x240/0x240
[ 254.126705][ T5536] ? snprintf+0xd7/0x120
[ 254.130952][ T5536] ? __free_pages+0x95/0x1a0
[ 254.135541][ T5536] ? vscnprintf+0x80/0x80
[ 254.139985][ T5536] gfs2_fill_super+0x128d/0x1f50
[ 254.145171][ T5536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.150190][ T5536] ? preempt_count_add+0x8d/0x190
[ 254.155226][ T5536] ? sb_set_blocksize+0xa5/0xe0
[ 254.160147][ T5536] get_tree_bdev+0x3f1/0x610
[ 254.164723][ T5536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.169728][ T5536] gfs2_get_tree+0x4d/0x1e0
[ 254.174213][ T5536] vfs_get_tree+0x88/0x270
[ 254.178697][ T5536] do_new_mount+0x24a/0xa40
[ 254.183185][ T5536] __se_sys_mount+0x2d6/0x3c0
[ 254.187844][ T5536] ? __x64_sys_mount+0xc0/0xc0
[ 254.192598][ T5536] ? lockdep_hardirqs_on+0x94/0x140
[ 254.197772][ T5536] ? __x64_sys_mount+0x1c/0xc0
[ 254.202528][ T5536] do_syscall_64+0x4c/0xa0
[ 254.206937][ T5536] ? clear_bhb_loop+0x30/0x80
[ 254.211629][ T5536] ? clear_bhb_loop+0x30/0x80
[ 254.216290][ T5536] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.222167][ T5536] RIP: 0033:0x7ff47f61f38a
[ 254.226569][ T5536] 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
[ 254.246158][ T5536] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.254561][ T5536] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 254.262537][ T5536] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 254.270509][ T5536] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 254.278470][ T5536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.286521][ T5536] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.294591][ T5536]
[ 254.299694][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.312904][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.620868][ T5538] loop1: detected capacity change from 0 to 32768
[ 254.683004][ T5538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.690546][ T5538] CPU: 1 PID: 5538 Comm: syz.1.223 Not tainted syzkaller #0
[ 254.697854][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 254.707927][ T5538] Call Trace:
[ 254.711300][ T5538]
[ 254.714319][ T5538] dump_stack_lvl+0x168/0x230
[ 254.719020][ T5538] ? show_regs_print_info+0x20/0x20
[ 254.724444][ T5538] ? load_image+0x3b0/0x3b0
[ 254.729152][ T5538] sysfs_create_dir_ns+0x252/0x280
[ 254.734276][ T5538] ? __lock_acquire+0x7c60/0x7c60
[ 254.739922][ T5538] ? sysfs_warn_dup+0xa0/0xa0
[ 254.744615][ T5538] ? do_raw_spin_unlock+0x11d/0x230
[ 254.749923][ T5538] kobject_add_internal+0x662/0xd00
[ 254.755141][ T5538] kobject_init_and_add+0x122/0x190
[ 254.760542][ T5538] ? lockdep_softirqs_off+0x420/0x420
[ 254.765945][ T5538] ? kobject_add+0x210/0x210
[ 254.770525][ T5538] ? __init_swait_queue_head+0xa5/0x150
[ 254.776073][ T5538] gfs2_sys_fs_add+0x234/0x480
[ 254.780835][ T5538] ? gfs2_recover_set+0x240/0x240
[ 254.785841][ T5538] ? snprintf+0xd7/0x120
[ 254.790074][ T5538] ? __free_pages+0x95/0x1a0
[ 254.794787][ T5538] ? vscnprintf+0x80/0x80
[ 254.799151][ T5538] gfs2_fill_super+0x128d/0x1f50
[ 254.804089][ T5538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.809303][ T5538] ? preempt_count_add+0x8d/0x190
[ 254.814316][ T5538] ? sb_set_blocksize+0xa5/0xe0
[ 254.819333][ T5538] get_tree_bdev+0x3f1/0x610
[ 254.823946][ T5538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.828967][ T5538] gfs2_get_tree+0x4d/0x1e0
[ 254.833455][ T5538] vfs_get_tree+0x88/0x270
[ 254.837850][ T5538] do_new_mount+0x24a/0xa40
[ 254.842335][ T5538] __se_sys_mount+0x2d6/0x3c0
[ 254.846991][ T5538] ? __x64_sys_mount+0xc0/0xc0
[ 254.851749][ T5538] ? lockdep_hardirqs_on+0x94/0x140
[ 254.856928][ T5538] ? __x64_sys_mount+0x1c/0xc0
[ 254.861675][ T5538] do_syscall_64+0x4c/0xa0
[ 254.866070][ T5538] ? clear_bhb_loop+0x30/0x80
[ 254.870727][ T5538] ? clear_bhb_loop+0x30/0x80
[ 254.875385][ T5538] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.881293][ T5538] RIP: 0033:0x7ff47f61f38a
[ 254.885755][ T5538] 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
[ 254.905639][ T5538] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.914518][ T5538] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 254.922492][ T5538] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 254.930550][ T5538] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 254.938514][ T5538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.946487][ T5538] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.954587][ T5538]
[ 254.958305][ T5538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.971634][ T5538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.283270][ T5540] loop1: detected capacity change from 0 to 32768
[ 255.351233][ T5540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.358884][ T5540] CPU: 1 PID: 5540 Comm: syz.1.224 Not tainted syzkaller #0
[ 255.366182][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 255.376246][ T5540] Call Trace:
[ 255.379534][ T5540]
[ 255.382469][ T5540] dump_stack_lvl+0x168/0x230
[ 255.387159][ T5540] ? show_regs_print_info+0x20/0x20
[ 255.392370][ T5540] ? load_image+0x3b0/0x3b0
[ 255.396895][ T5540] sysfs_create_dir_ns+0x252/0x280
[ 255.402040][ T5540] ? __lock_acquire+0x7c60/0x7c60
[ 255.407355][ T5540] ? sysfs_warn_dup+0xa0/0xa0
[ 255.412426][ T5540] ? do_raw_spin_unlock+0x11d/0x230
[ 255.417661][ T5540] kobject_add_internal+0x662/0xd00
[ 255.423011][ T5540] kobject_init_and_add+0x122/0x190
[ 255.428220][ T5540] ? lockdep_softirqs_off+0x420/0x420
[ 255.433618][ T5540] ? kobject_add+0x210/0x210
[ 255.438328][ T5540] ? __init_swait_queue_head+0xa5/0x150
[ 255.444079][ T5540] gfs2_sys_fs_add+0x234/0x480
[ 255.448865][ T5540] ? gfs2_recover_set+0x240/0x240
[ 255.453887][ T5540] ? snprintf+0xd7/0x120
[ 255.458127][ T5540] ? __free_pages+0x95/0x1a0
[ 255.462698][ T5540] ? vscnprintf+0x80/0x80
[ 255.467012][ T5540] gfs2_fill_super+0x128d/0x1f50
[ 255.471938][ T5540] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.476941][ T5540] ? preempt_count_add+0x8d/0x190
[ 255.481948][ T5540] ? sb_set_blocksize+0xa5/0xe0
[ 255.486782][ T5540] get_tree_bdev+0x3f1/0x610
[ 255.491362][ T5540] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.496379][ T5540] gfs2_get_tree+0x4d/0x1e0
[ 255.501125][ T5540] vfs_get_tree+0x88/0x270
[ 255.505527][ T5540] do_new_mount+0x24a/0xa40
[ 255.510053][ T5540] __se_sys_mount+0x2d6/0x3c0
[ 255.514737][ T5540] ? __x64_sys_mount+0xc0/0xc0
[ 255.519493][ T5540] ? lockdep_hardirqs_on+0x94/0x140
[ 255.524674][ T5540] ? __x64_sys_mount+0x1c/0xc0
[ 255.529434][ T5540] do_syscall_64+0x4c/0xa0
[ 255.533830][ T5540] ? clear_bhb_loop+0x30/0x80
[ 255.538480][ T5540] ? clear_bhb_loop+0x30/0x80
[ 255.543136][ T5540] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.549212][ T5540] RIP: 0033:0x7ff47f61f38a
[ 255.553609][ T5540] 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
[ 255.573884][ T5540] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.582296][ T5540] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 255.590255][ T5540] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 255.598214][ T5540] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 255.606328][ T5540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.614329][ T5540] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.622389][ T5540]
[ 255.625833][ T5540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.639005][ T5540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.646381][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.652681][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.964323][ T5542] loop1: detected capacity change from 0 to 32768
[ 256.024295][ T5542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.032014][ T5542] CPU: 0 PID: 5542 Comm: syz.1.225 Not tainted syzkaller #0
[ 256.039313][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 256.049381][ T5542] Call Trace:
[ 256.052665][ T5542]
[ 256.055591][ T5542] dump_stack_lvl+0x168/0x230
[ 256.060288][ T5542] ? show_regs_print_info+0x20/0x20
[ 256.065506][ T5542] ? load_image+0x3b0/0x3b0
[ 256.070035][ T5542] sysfs_create_dir_ns+0x252/0x280
[ 256.075163][ T5542] ? __lock_acquire+0x7c60/0x7c60
[ 256.080205][ T5542] ? sysfs_warn_dup+0xa0/0xa0
[ 256.084984][ T5542] ? do_raw_spin_unlock+0x11d/0x230
[ 256.090203][ T5542] kobject_add_internal+0x662/0xd00
[ 256.095496][ T5542] kobject_init_and_add+0x122/0x190
[ 256.100691][ T5542] ? lockdep_softirqs_off+0x420/0x420
[ 256.106143][ T5542] ? kobject_add+0x210/0x210
[ 256.110726][ T5542] ? __init_swait_queue_head+0xa5/0x150
[ 256.116252][ T5542] gfs2_sys_fs_add+0x234/0x480
[ 256.121007][ T5542] ? gfs2_recover_set+0x240/0x240
[ 256.126023][ T5542] ? snprintf+0xd7/0x120
[ 256.130344][ T5542] ? __free_pages+0x95/0x1a0
[ 256.134935][ T5542] ? vscnprintf+0x80/0x80
[ 256.139275][ T5542] gfs2_fill_super+0x128d/0x1f50
[ 256.144205][ T5542] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.149228][ T5542] ? preempt_count_add+0x8d/0x190
[ 256.154255][ T5542] ? sb_set_blocksize+0xa5/0xe0
[ 256.159115][ T5542] get_tree_bdev+0x3f1/0x610
[ 256.163687][ T5542] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.168691][ T5542] gfs2_get_tree+0x4d/0x1e0
[ 256.173174][ T5542] vfs_get_tree+0x88/0x270
[ 256.177572][ T5542] do_new_mount+0x24a/0xa40
[ 256.182104][ T5542] __se_sys_mount+0x2d6/0x3c0
[ 256.186878][ T5542] ? __x64_sys_mount+0xc0/0xc0
[ 256.191753][ T5542] ? lockdep_hardirqs_on+0x94/0x140
[ 256.197116][ T5542] ? __x64_sys_mount+0x1c/0xc0
[ 256.201912][ T5542] do_syscall_64+0x4c/0xa0
[ 256.206310][ T5542] ? clear_bhb_loop+0x30/0x80
[ 256.210980][ T5542] ? clear_bhb_loop+0x30/0x80
[ 256.215731][ T5542] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.221606][ T5542] RIP: 0033:0x7ff47f61f38a
[ 256.226006][ T5542] 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
[ 256.245615][ T5542] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.254026][ T5542] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 256.261987][ T5542] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 256.269941][ T5542] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 256.277906][ T5542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.285893][ T5542] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.293872][ T5542]
[ 256.298480][ T5542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.311771][ T5542] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:25:14 executed programs: 211
[ 256.627559][ T5544] loop1: detected capacity change from 0 to 32768
[ 256.674528][ T5544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.682648][ T5544] CPU: 1 PID: 5544 Comm: syz.1.226 Not tainted syzkaller #0
[ 256.689957][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 256.700024][ T5544] Call Trace:
[ 256.703314][ T5544]
[ 256.706252][ T5544] dump_stack_lvl+0x168/0x230
[ 256.710941][ T5544] ? show_regs_print_info+0x20/0x20
[ 256.716248][ T5544] ? load_image+0x3b0/0x3b0
[ 256.720788][ T5544] sysfs_create_dir_ns+0x252/0x280
[ 256.725926][ T5544] ? __lock_acquire+0x7c60/0x7c60
[ 256.730971][ T5544] ? sysfs_warn_dup+0xa0/0xa0
[ 256.735671][ T5544] ? do_raw_spin_unlock+0x11d/0x230
[ 256.740894][ T5544] kobject_add_internal+0x662/0xd00
[ 256.746112][ T5544] kobject_init_and_add+0x122/0x190
[ 256.751316][ T5544] ? lockdep_softirqs_off+0x420/0x420
[ 256.756786][ T5544] ? kobject_add+0x210/0x210
[ 256.761415][ T5544] ? __init_swait_queue_head+0xa5/0x150
[ 256.766942][ T5544] gfs2_sys_fs_add+0x234/0x480
[ 256.771690][ T5544] ? gfs2_recover_set+0x240/0x240
[ 256.776688][ T5544] ? snprintf+0xd7/0x120
[ 256.780909][ T5544] ? __free_pages+0x95/0x1a0
[ 256.785566][ T5544] ? vscnprintf+0x80/0x80
[ 256.789887][ T5544] gfs2_fill_super+0x128d/0x1f50
[ 256.794836][ T5544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.799841][ T5544] ? preempt_count_add+0x8d/0x190
[ 256.805012][ T5544] ? sb_set_blocksize+0xa5/0xe0
[ 256.809945][ T5544] get_tree_bdev+0x3f1/0x610
[ 256.814536][ T5544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.819586][ T5544] gfs2_get_tree+0x4d/0x1e0
[ 256.824168][ T5544] vfs_get_tree+0x88/0x270
[ 256.828573][ T5544] do_new_mount+0x24a/0xa40
[ 256.833236][ T5544] __se_sys_mount+0x2d6/0x3c0
[ 256.837908][ T5544] ? __x64_sys_mount+0xc0/0xc0
[ 256.842659][ T5544] ? lockdep_hardirqs_on+0x94/0x140
[ 256.847840][ T5544] ? __x64_sys_mount+0x1c/0xc0
[ 256.852612][ T5544] do_syscall_64+0x4c/0xa0
[ 256.857030][ T5544] ? clear_bhb_loop+0x30/0x80
[ 256.861734][ T5544] ? clear_bhb_loop+0x30/0x80
[ 256.866488][ T5544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.872481][ T5544] RIP: 0033:0x7ff47f61f38a
[ 256.876998][ T5544] 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
[ 256.896881][ T5544] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.905401][ T5544] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 256.913366][ T5544] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 256.921326][ T5544] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 256.929295][ T5544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.937264][ T5544] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.945244][ T5544]
[ 256.948864][ T5544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.962030][ T5544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.279917][ T5546] loop1: detected capacity change from 0 to 32768
[ 257.354878][ T5546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.362898][ T5546] CPU: 1 PID: 5546 Comm: syz.1.227 Not tainted syzkaller #0
[ 257.370192][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 257.380258][ T5546] Call Trace:
[ 257.383541][ T5546]
[ 257.386470][ T5546] dump_stack_lvl+0x168/0x230
[ 257.391244][ T5546] ? show_regs_print_info+0x20/0x20
[ 257.396457][ T5546] ? load_image+0x3b0/0x3b0
[ 257.400989][ T5546] sysfs_create_dir_ns+0x252/0x280
[ 257.406165][ T5546] ? __lock_acquire+0x7c60/0x7c60
[ 257.411209][ T5546] ? sysfs_warn_dup+0xa0/0xa0
[ 257.416084][ T5546] ? do_raw_spin_unlock+0x11d/0x230
[ 257.421394][ T5546] kobject_add_internal+0x662/0xd00
[ 257.426711][ T5546] kobject_init_and_add+0x122/0x190
[ 257.432004][ T5546] ? lockdep_softirqs_off+0x420/0x420
[ 257.437476][ T5546] ? kobject_add+0x210/0x210
[ 257.442153][ T5546] ? __init_swait_queue_head+0xa5/0x150
[ 257.447705][ T5546] gfs2_sys_fs_add+0x234/0x480
[ 257.452479][ T5546] ? gfs2_recover_set+0x240/0x240
[ 257.457513][ T5546] ? snprintf+0xd7/0x120
[ 257.461793][ T5546] ? __free_pages+0x95/0x1a0
[ 257.466454][ T5546] ? vscnprintf+0x80/0x80
[ 257.470867][ T5546] gfs2_fill_super+0x128d/0x1f50
[ 257.475795][ T5546] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.480808][ T5546] ? preempt_count_add+0x8d/0x190
[ 257.485877][ T5546] ? sb_set_blocksize+0xa5/0xe0
[ 257.490714][ T5546] get_tree_bdev+0x3f1/0x610
[ 257.495287][ T5546] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.500493][ T5546] gfs2_get_tree+0x4d/0x1e0
[ 257.504985][ T5546] vfs_get_tree+0x88/0x270
[ 257.509415][ T5546] do_new_mount+0x24a/0xa40
[ 257.513971][ T5546] __se_sys_mount+0x2d6/0x3c0
[ 257.518642][ T5546] ? __x64_sys_mount+0xc0/0xc0
[ 257.523426][ T5546] ? lockdep_hardirqs_on+0x94/0x140
[ 257.528615][ T5546] ? __x64_sys_mount+0x1c/0xc0
[ 257.533358][ T5546] do_syscall_64+0x4c/0xa0
[ 257.537766][ T5546] ? clear_bhb_loop+0x30/0x80
[ 257.542427][ T5546] ? clear_bhb_loop+0x30/0x80
[ 257.547091][ T5546] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.552965][ T5546] RIP: 0033:0x7ff47f61f38a
[ 257.557359][ T5546] 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
[ 257.577399][ T5546] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.585799][ T5546] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 257.593754][ T5546] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 257.601793][ T5546] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 257.609835][ T5546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.617804][ T5546] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.625894][ T5546]
[ 257.629496][ T5546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.643114][ T5546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.990559][ T5548] loop1: detected capacity change from 0 to 32768
[ 258.078200][ T5548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.085745][ T5548] CPU: 0 PID: 5548 Comm: syz.1.228 Not tainted syzkaller #0
[ 258.093049][ T5548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 258.103204][ T5548] Call Trace:
[ 258.106590][ T5548]
[ 258.109542][ T5548] dump_stack_lvl+0x168/0x230
[ 258.114236][ T5548] ? show_regs_print_info+0x20/0x20
[ 258.119708][ T5548] ? load_image+0x3b0/0x3b0
[ 258.124239][ T5548] sysfs_create_dir_ns+0x252/0x280
[ 258.129483][ T5548] ? __lock_acquire+0x7c60/0x7c60
[ 258.134539][ T5548] ? sysfs_warn_dup+0xa0/0xa0
[ 258.139207][ T5548] ? do_raw_spin_unlock+0x11d/0x230
[ 258.144397][ T5548] kobject_add_internal+0x662/0xd00
[ 258.149713][ T5548] kobject_init_and_add+0x122/0x190
[ 258.154897][ T5548] ? lockdep_softirqs_off+0x420/0x420
[ 258.160279][ T5548] ? kobject_add+0x210/0x210
[ 258.164905][ T5548] ? __init_swait_queue_head+0xa5/0x150
[ 258.170552][ T5548] gfs2_sys_fs_add+0x234/0x480
[ 258.175312][ T5548] ? gfs2_recover_set+0x240/0x240
[ 258.180315][ T5548] ? snprintf+0xd7/0x120
[ 258.184535][ T5548] ? __free_pages+0x95/0x1a0
[ 258.189207][ T5548] ? vscnprintf+0x80/0x80
[ 258.193625][ T5548] gfs2_fill_super+0x128d/0x1f50
[ 258.198841][ T5548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.203975][ T5548] ? preempt_count_add+0x8d/0x190
[ 258.208996][ T5548] ? sb_set_blocksize+0xa5/0xe0
[ 258.213836][ T5548] get_tree_bdev+0x3f1/0x610
[ 258.218416][ T5548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.223424][ T5548] gfs2_get_tree+0x4d/0x1e0
[ 258.227908][ T5548] vfs_get_tree+0x88/0x270
[ 258.232305][ T5548] do_new_mount+0x24a/0xa40
[ 258.236792][ T5548] __se_sys_mount+0x2d6/0x3c0
[ 258.241472][ T5548] ? __x64_sys_mount+0xc0/0xc0
[ 258.246216][ T5548] ? lockdep_hardirqs_on+0x94/0x140
[ 258.251393][ T5548] ? __x64_sys_mount+0x1c/0xc0
[ 258.256152][ T5548] do_syscall_64+0x4c/0xa0
[ 258.260564][ T5548] ? clear_bhb_loop+0x30/0x80
[ 258.265224][ T5548] ? clear_bhb_loop+0x30/0x80
[ 258.269891][ T5548] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.275765][ T5548] RIP: 0033:0x7ff47f61f38a
[ 258.280157][ T5548] 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
[ 258.299749][ T5548] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.308340][ T5548] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 258.316297][ T5548] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 258.324265][ T5548] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 258.332394][ T5548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.340347][ T5548] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.348311][ T5548]
[ 258.352949][ T5548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.366308][ T5548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.659957][ T5550] loop1: detected capacity change from 0 to 32768
[ 258.722456][ T5550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.729931][ T5550] CPU: 0 PID: 5550 Comm: syz.1.229 Not tainted syzkaller #0
[ 258.737222][ T5550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 258.747278][ T5550] Call Trace:
[ 258.750567][ T5550]
[ 258.753504][ T5550] dump_stack_lvl+0x168/0x230
[ 258.758294][ T5550] ? show_regs_print_info+0x20/0x20
[ 258.763613][ T5550] ? load_image+0x3b0/0x3b0
[ 258.768857][ T5550] sysfs_create_dir_ns+0x252/0x280
[ 258.774079][ T5550] ? __lock_acquire+0x7c60/0x7c60
[ 258.779126][ T5550] ? sysfs_warn_dup+0xa0/0xa0
[ 258.783834][ T5550] ? do_raw_spin_unlock+0x11d/0x230
[ 258.789053][ T5550] kobject_add_internal+0x662/0xd00
[ 258.794289][ T5550] kobject_init_and_add+0x122/0x190
[ 258.799494][ T5550] ? lockdep_softirqs_off+0x420/0x420
[ 258.804966][ T5550] ? kobject_add+0x210/0x210
[ 258.809563][ T5550] ? __init_swait_queue_head+0xa5/0x150
[ 258.815111][ T5550] gfs2_sys_fs_add+0x234/0x480
[ 258.819878][ T5550] ? gfs2_recover_set+0x240/0x240
[ 258.825947][ T5550] ? snprintf+0xd7/0x120
[ 258.830354][ T5550] ? __free_pages+0x95/0x1a0
[ 258.834943][ T5550] ? vscnprintf+0x80/0x80
[ 258.839306][ T5550] gfs2_fill_super+0x128d/0x1f50
[ 258.844248][ T5550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.849273][ T5550] ? preempt_count_add+0x8d/0x190
[ 258.854292][ T5550] ? sb_set_blocksize+0xa5/0xe0
[ 258.859163][ T5550] get_tree_bdev+0x3f1/0x610
[ 258.864025][ T5550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.869227][ T5550] gfs2_get_tree+0x4d/0x1e0
[ 258.873826][ T5550] vfs_get_tree+0x88/0x270
[ 258.878475][ T5550] do_new_mount+0x24a/0xa40
[ 258.882985][ T5550] __se_sys_mount+0x2d6/0x3c0
[ 258.887674][ T5550] ? __x64_sys_mount+0xc0/0xc0
[ 258.892533][ T5550] ? lockdep_hardirqs_on+0x94/0x140
[ 258.897922][ T5550] ? __x64_sys_mount+0x1c/0xc0
[ 258.902782][ T5550] do_syscall_64+0x4c/0xa0
[ 258.907478][ T5550] ? clear_bhb_loop+0x30/0x80
[ 258.912134][ T5550] ? clear_bhb_loop+0x30/0x80
[ 258.916808][ T5550] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.922800][ T5550] RIP: 0033:0x7ff47f61f38a
[ 258.927318][ T5550] 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
[ 258.947009][ T5550] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.955710][ T5550] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 258.963684][ T5550] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 258.971641][ T5550] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 258.979632][ T5550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.987801][ T5550] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.995768][ T5550]
[ 259.000594][ T5550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.013767][ T5550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.319637][ T5552] loop1: detected capacity change from 0 to 32768
[ 259.388989][ T5552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.400931][ T5552] CPU: 0 PID: 5552 Comm: syz.1.230 Not tainted syzkaller #0
[ 259.408267][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 259.418510][ T5552] Call Trace:
[ 259.421798][ T5552]
[ 259.424742][ T5552] dump_stack_lvl+0x168/0x230
[ 259.429837][ T5552] ? show_regs_print_info+0x20/0x20
[ 259.435145][ T5552] ? load_image+0x3b0/0x3b0
[ 259.439790][ T5552] sysfs_create_dir_ns+0x252/0x280
[ 259.445011][ T5552] ? __lock_acquire+0x7c60/0x7c60
[ 259.450181][ T5552] ? sysfs_warn_dup+0xa0/0xa0
[ 259.455288][ T5552] ? do_raw_spin_unlock+0x11d/0x230
[ 259.460519][ T5552] kobject_add_internal+0x662/0xd00
[ 259.465948][ T5552] kobject_init_and_add+0x122/0x190
[ 259.471349][ T5552] ? lockdep_softirqs_off+0x420/0x420
[ 259.476803][ T5552] ? kobject_add+0x210/0x210
[ 259.481489][ T5552] ? __init_swait_queue_head+0xa5/0x150
[ 259.487407][ T5552] gfs2_sys_fs_add+0x234/0x480
[ 259.492466][ T5552] ? gfs2_recover_set+0x240/0x240
[ 259.497613][ T5552] ? snprintf+0xd7/0x120
[ 259.501848][ T5552] ? __free_pages+0x95/0x1a0
[ 259.506427][ T5552] ? vscnprintf+0x80/0x80
[ 259.510917][ T5552] gfs2_fill_super+0x128d/0x1f50
[ 259.515956][ T5552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.520976][ T5552] ? preempt_count_add+0x8d/0x190
[ 259.526004][ T5552] ? sb_set_blocksize+0xa5/0xe0
[ 259.530847][ T5552] get_tree_bdev+0x3f1/0x610
[ 259.535429][ T5552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.540435][ T5552] gfs2_get_tree+0x4d/0x1e0
[ 259.544915][ T5552] vfs_get_tree+0x88/0x270
[ 259.549319][ T5552] do_new_mount+0x24a/0xa40
[ 259.553811][ T5552] __se_sys_mount+0x2d6/0x3c0
[ 259.558605][ T5552] ? __x64_sys_mount+0xc0/0xc0
[ 259.563453][ T5552] ? lockdep_hardirqs_on+0x94/0x140
[ 259.568638][ T5552] ? __x64_sys_mount+0x1c/0xc0
[ 259.573406][ T5552] do_syscall_64+0x4c/0xa0
[ 259.577801][ T5552] ? clear_bhb_loop+0x30/0x80
[ 259.582463][ T5552] ? clear_bhb_loop+0x30/0x80
[ 259.587125][ T5552] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.593029][ T5552] RIP: 0033:0x7ff47f61f38a
[ 259.597429][ T5552] 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
[ 259.617628][ T5552] RSP: 002b:00007ff47ec8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.626134][ T5552] RAX: ffffffffffffffda RBX: 00007ff47ec8cef0 RCX: 00007ff47f61f38a
[ 259.634114][ T5552] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff47ec8ceb0
[ 259.642428][ T5552] RBP: 0000200000000400 R08: 00007ff47ec8cef0 R09: 0000000000000000
[ 259.650414][ T5552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.658381][ T5552] R13: 00007ff47ec8ceb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.666363][ T5552]
[ 259.671243][ T27] INFO: task syz.0.17:5092 blocked for more than 143 seconds.
[ 259.673417][ T5552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.679080][ T27] Not tainted syzkaller #0
[ 259.679101][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 259.679115][ T27] task:syz.0.17 state:D stack:24680 pid: 5092 ppid: 4839 flags:0x00004004
[ 259.694963][ T5552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.698095][ T27] Call Trace:
[ 259.726011][ T27]
[ 259.728958][ T27] __schedule+0x11bb/0x4390
[ 259.733472][ T27] ? mark_lock+0x94/0x320
[ 259.737954][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 259.744038][ T27] ? lock_chain_count+0x20/0x20
[ 259.748962][ T27] ? release_firmware_map_entry+0x190/0x190
[ 259.754899][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 259.760381][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 259.766322][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.771552][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 259.777704][ T27] schedule+0x11b/0x1e0
[ 259.781980][ T27] bit_wait+0xd/0xc0
[ 259.786219][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 259.792115][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 259.798372][ T27] ? __wait_on_bit+0x170/0x170
[ 259.803173][ T27] ? bit_waitqueue+0x30/0x30
[ 259.807929][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 259.812704][ T27] gfs2_statfs_init+0xf9/0x490
[ 259.817988][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 259.823075][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 259.828637][ T27] ? init_per_node+0x2be/0x3d0
[ 259.833436][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 259.838423][ T27] ? init_inodes+0x26a/0x320
[ 259.843022][ T27] gfs2_fill_super+0x1749/0x1f50
[ 259.848025][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.853087][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 259.858419][ T27] ? preempt_count_add+0x8d/0x190
[ 259.863806][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 259.868722][ T27] get_tree_bdev+0x3f1/0x610
[ 259.873341][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.878511][ T27] gfs2_get_tree+0x4d/0x1e0
[ 259.883042][ T27] vfs_get_tree+0x88/0x270
[ 259.887774][ T27] do_new_mount+0x24a/0xa40
[ 259.892763][ T27] __se_sys_mount+0x2d6/0x3c0
[ 259.897843][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 259.902723][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.908134][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 259.912994][ T27] do_syscall_64+0x4c/0xa0
[ 259.917481][ T27] ? clear_bhb_loop+0x30/0x80
[ 259.922174][ T27] ? clear_bhb_loop+0x30/0x80
[ 259.926889][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.932795][ T27] RIP: 0033:0x7f63fa7e838a
[ 259.937306][ T27] RSP: 002b:00007f63f9e55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.945757][ T27] RAX: ffffffffffffffda RBX: 00007f63f9e55ef0 RCX: 00007f63fa7e838a
[ 259.953940][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f63f9e55eb0
[ 259.962224][ T27] RBP: 0000200000000400 R08: 00007f63f9e55ef0 R09: 0000000000000000
[ 259.970418][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.978741][ T27] R13: 00007f63f9e55eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.986792][ T27]
[ 259.989837][ T27]
[ 259.989837][ T27] Showing all locks held in the system:
[ 259.998349][ T27] 3 locks held by kworker/u4:0/9:
[ 260.003392][ T27] #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 260.013371][ T27] #1: ffff8880b9027888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x495/0x810
[ 260.025327][ T27] #2: ffff8880b90280d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270
[ 260.034777][ T27] 1 lock held by khungtaskd/27:
[ 260.039653][ T27] #0: ffffffff8c11c760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 260.049116][ T27] 2 locks held by getty/3951:
[ 260.053794][ T27] #0: ffff88802c18a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 260.063656][ T27] #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 260.073896][ T27] 1 lock held by syz.0.17/5092:
[ 260.078789][ T27] #0: ffff88807dc540e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 260.088955][ T27] 2 locks held by syz.1.230/5552:
[ 260.093960][ T27] #0: ffff88801fefa918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 260.103673][ T27] #1: ffff8880202eb468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 260.112795][ T27]
[ 260.115846][ T27] =============================================
[ 260.115846][ T27]
[ 260.124746][ T27] NMI backtrace for cpu 1
[ 260.129088][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 260.136463][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 260.146880][ T27] Call Trace:
[ 260.150276][ T27]
[ 260.153737][ T27] dump_stack_lvl+0x168/0x230
[ 260.158419][ T27] ? show_regs_print_info+0x20/0x20
[ 260.163804][ T27] ? load_image+0x3b0/0x3b0
[ 260.168392][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 260.173547][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 260.178501][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 260.184710][ T27] ? _printk+0xcc/0x110
[ 260.188869][ T27] ? load_image+0x3b0/0x3b0
[ 260.193661][ T27] ? load_image+0x3b0/0x3b0
[ 260.198437][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 260.204557][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 260.210666][ T27] watchdog+0xe0f/0xe50
[ 260.214909][ T27] kthread+0x436/0x520
[ 260.218992][ T27] ? hungtask_pm_notify+0x40/0x40
[ 260.224018][ T27] ? kthread_blkcg+0xd0/0xd0
[ 260.228593][ T27] ret_from_fork+0x1f/0x30
[ 260.233018][ T27]
[ 260.236314][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 260.241539][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 260.243004][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 260.257758][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 260.265085][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 260.275141][ T27] Call Trace:
[ 260.278426][ T27]
[ 260.281341][ T27] dump_stack_lvl+0x168/0x230
[ 260.286051][ T27] ? show_regs_print_info+0x20/0x20
[ 260.291238][ T27] ? load_image+0x3b0/0x3b0
[ 260.295915][ T27] panic+0x2c9/0x7f0
[ 260.299917][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 260.305574][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 260.310078][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 260.316229][ T27] watchdog+0xe4e/0xe50
[ 260.320394][ T27] kthread+0x436/0x520
[ 260.324466][ T27] ? hungtask_pm_notify+0x40/0x40
[ 260.329590][ T27] ? kthread_blkcg+0xd0/0xd0
[ 260.334171][ T27] ret_from_fork+0x1f/0x30
[ 260.338577][ T27]
[ 260.341860][ T27] Kernel Offset: disabled
[ 260.346318][ T27] Rebooting in 86400 seconds..